Farm and device for its manufacture

 

(57) Abstract:

The invention relates to the field of construction, in particular to farms two lap type with the lower molded plate. The technical result of the invention is the simplification of manufacturing technology. The farm attached to the molded plate and the belt team grating, and the grating has a V-, or W-, or VW-shaped or curved triangular or treugolnoye. A device for the manufacture of this farm. 2 S. and 6 C.p. f-crystals, 26 ill.

The invention relates to the construction, and more specifically relates to devices for farms with open grate, two lap farms type of farm two lap type with at least one molten zone and also zones to cast plate element with an open lattice of their rods, ropes or rails with different types of lattice weave, attached to the belt or belt and plate, respectively.

Because the companies that produce precast concrete, use different equipment and have different capabilities for the production of such products requires a number of modifications of the lattice. Such lattice trusses are modified to save in production, but they also adjusted by pressing the farm or of the farm or item, which can be cast with an open lattice of rods or rack and pinion type of material bent in the form of a zigzag or zigzag line.

It is desirable to be able to cast a belt simultaneously with the plate element in order to avoid unnecessary manipulation of heavy precast zones and speed up the manufacturing process.

This invention provides a solution to the above problem.

Currently, it is advisable to make elements larger spans without intermediate fastening, with a stove top and belts under the stove.

In this case, the belt will be exposed to only the forces of tension and therefore it is desirable to use materials, such as steel sections, which can effectively contain such power. Grille, made of rods, in this case should have curves corresponding to the shape of the belt at the point of connection, and the bars then you can secure a suitable method, for example, be welded.

Samples of the lattice Phillips curves at the points of connection with cast plate or belt were subjected to the tests, the results of which showed excellent quality - detail features, in particular it is important that you can connect with preginet bars and rods, for example, by welding.

However, it is difficult to make solid long grid for large spans and the depth of the element causes the issues. In such constructions with similar spans need a very rigid grid to ensure sustainability, for example, the diameter of the rods should be 10 - 12 mm. the equipment allows to produce rods with a diameter of 8 mm and produce gratings with bends in the same plane. The equipment is too expensive on the market it is not available, and the development of new equipment is still too expensive. Our invention provides a solution to this problem.

Examples of technologies currently known patent below.

In the US, A, 4 185 423 described grille, curved in one plane, when the grating is welded to the belt of steel sections. Being sealed to the inside of the plate, these belts are equipped with welded rod, which provides good anchoring. The test results showed that a much improved characteristics perpendicular curves, which are filled in the plate and provide a size reduction of the design, for example, reduce the thickness of the plate. In our invention the bending of the lattice is made perpendicular or Nishiyama in the same plane. The same comments on the connection. In our invention the bending of the lattice is made at right angles or inclined.

The device grid position 10 in paragraph 7 of the formula, according to the invention, the first seems very similar to the bars 10 in the patent SE 466860 see Fig. 1 to 4. However, the new lattice can be used otherwise, it has no bends in one plane, which are necessary for the connection. The new grille is also different from the old that is bent from two sides instead of bending in the middle.

The design is of course somewhat complex, and therefore the lattice is shown as a continuous element, which contradicts the objective of the invention. However, it is possible to produce something similar products can be found on the market. It is used as a spacer between two thin concrete slabs in a three-layer structure in which the gap is used as a combined form for pouring the wall in place of the monolithic element.

Our invention differs from the above-mentioned construction, since our invention relates to farms with belts or cast elements with belts. Turned down the bend (see below for specific examples) provides perpe="ptx2">

The closest analogue of the claimed invention is the farm, including attached to the molded plate and the belt national grid, consisting of one or several parts of the rods or bars, or rack and pinion type of material, bent and connected with education in the longitudinal direction of the zigzag or zigzag pattern similar to diagonal elements in farms, tilted relative to the longitudinal direction of the belt on zigzag or sawtooth shape (see , for example, patent WO 93/11323, class E 04 C 3/29, 10.06.93).

Despite the large number of modifications of open lattices represented by this and our other inventions, this modification of the lattice is still required, since this lattice contributes significantly simultaneous casting belt in a monolithic part, actually on the same stage as the plate element, see below.

It is also desirable to facilitate the manufacture of small parts and with perpendicular or sloping curves that facilitates the simultaneous pouring of the belt and the plate on the same stage. This is a solution to this problem.

The present invention was based on the task to create a farm and a device for manufacturing molded formisano lattice of rods, but having a different configuration to facilitate the manufacture.

This is achieved by the fact that in the farm, including attached to the molded plate and the belt national grid, consisting of one or several parts of the rods or bars, or rack and pinion type of material, bent and connected with education in the longitudinal direction of the zigzag or zigzag pattern similar to diagonal elements in farms, tilted relative to the longitudinal direction of the belt on zigzag or sawtooth form, according to the invention, the grating is made of one or more elements, provided with a perpendicular or inclined inner bends, the ends of which are made straight or fitted with hooks that mount to the plate or monolithic floor sankarani inside, and when attaching the metal belt at the point of attachment is curved in one plane, while the element in the array is V or W or VW - shaped, or curved triangular or treugolnoye, and the curvilinear grid similar to X& XJ&& L& internal bend, forming a loop, with hooks on the ends or straight ends, are connected by an anchor in the cast plate or grating is made on the side in the shape of a VW or WM and respectively made of a smooth rod, provided with integral hooks, curved in the same plane as one another or in the same direction, forming S-shaped, or in different planes, and bent again with internal bend in the same plane as the end hook in the middle or near in the form of V - shaped form, so that the end hook is on the level with curved bars or in a different plane than the end hook, or in the middle or near in the form of V-shaped form, so that the end hook is basically perpendicular to or are inclined.

It is reasonable to grating W-shaped form was made of a smooth rod, provided with integral hooks, curved in the same plane as one another or in the same direction, forming S-shaped, curved even in the middle or near the same plane as V-shaped, so that the flat end hooks are at a depth corresponding to approximately twice the depth of the lattice, and then bent in the middle in a new plane in the form of a W-shaped form, so that the grille with one hand is perpendicular or oblique bends, on the other hand smooth curves together with integral hooks, curved in one plane.

The element of the lattice VW-shaped forms to one another or in the same direction, forming S-shaped, curved again in a different plane than the trailing edge, in the middle or near in the form of a V-shaped so that the end hooks are perpendicular or inclined relative to the curved lattice, and then bent in the same plane with the previous bend 1/6 from the ends in the form of a W-shaped with a depth twice the average part and the middle part of the V-shaped bent in the middle, resulting in a lattice VW-shape with perpendicular or longitudinal bends on the one hand, where are perpendicular or inclined end hooks and smooth curves of the lattice on the other side.

The grating may also have a triangular or triangle form, i.e. shape, with the ends of the grating-shaped form made straight or overlap with the base of the triangle or provided with a ring hooks, or the element of the lattice is made V-shaped, provided with integral hooks, which form the basis and the elements of the lattice are located so that the base is perpendicular or inclined to the longitudinal direction of the belt truss and attached to or sankarani foreplay to the belt.

It is advisable that the element of the lattice V-shaped form was completed with an intermediate bend one smooth rod, bent in the middle or near the same plane and is inclined to zigzag lattice with a bend perpendicular to the longitudinal direction of the farm belt or curved and/or twisted so as to form a perpendicular or oblique bending, and the ends of the element is V-shaped is attached to the belt.

The element of the lattice VW - or WM-shaped can be made of one of the gratings, curved in one plane with the V-shaped bends, equipped with perpendicular or oblique bends, using the fact that the lattice is curved on at least one side adjacent to the V-shaped bend around an axis parallel to the belt, so that a side view is VM - or WM-shaped, and the cross-section is J-shaped, L-shaped, S-shaped or C-shaped curves, respectively.

This is achieved by the fact that the device for manufacturing a molded farm, including forms to fill the upper and lower zones, according to the invention, for manufacturing the above-described farm form to fill the upper zone is at a distance above the shape of the lower belt and is the one material to ensure a tight seal between the halves of the form, so when the pressing of one half of the form to another elastic material is compressed and spread out around the bars of the grating.

The present invention provides for multiple installations of the diagonals of the lattice, which is impossible in a long continuous lattices.

The present invention also provides the most rational and economically highly mechanized production to reduce prices. Because of the minimum material can be made extremely durable and easy farm, the cost of manufacturing can be reduced, which is important for export.

In addition, the present invention provides good anchoring between the grate bars and the belt and between the grate bars and molded belt or stove. Most importantly, the stretching movement of the bending that occurs due to the directions of the forces in the rods of the lattice, one tensile force and another force of compression that can twist the connection between the lattice and the belt that was taken into account.

Farm with bars, curved in one plane, are particularly subject to such twisting.

Farm according to this invention, having a new configuration, provides a very durable and lightweight, the simultaneity is I, equipment for centralized vacuum cleaning, etc., and as a device for hanging suspended ceilings or equipment for installations in the tunnel.

The invention also allows for a rational production to produce dual lattice to improve the bearing capacity without having to increase the size of the rods of the lattice.

The task of getting as many as possible of the above properties and manufacturing highly durable and easy farm with minimal use of material and with a good connection between the grille and the belt as well as between the grille and molded belt or plate, was solved by constructing a lattice in accordance with the following.

The basic material can be rods, bars, internal offset cruciform or rack material, flat or rolled up to a large diameter, cut into pieces of suitable length. Both ends of the rod may be provided with integral hooks. They can be in the same plane, curved one against the other or in the same direction S-shaped form or in different planes.

The grille is bent in one plane when attaching to metal belts, which are not circular in shape, and has perpensa so, so they would have been in the longitudinal direction around fastening with metal belts and in a perpendicular or oblique - when clamped inside the molded belt or plate.

More curved lattice form zigzag and perpendicular curves for termination described in the description of specific examples. All these technical solutions zone is not subjected to twisting, as seen in cross-section, when the load on the farm.

The solution, according to the present invention, the fill zones at the same time, for example, resin cast plate element or both the trusses with a wider bottom chord is in the device forms zones at some distance above the stove. If the forms have openings, namely in the gap between the upper belts, after filling with concrete shape to the upper zone of the concrete can flow down and fill out the form plate or the lower zone, respectively. When using forms with vibrating table top forms will also vibrate. Thus, the entire element can be manufactured in a single operation.

One can, for example, make two halves, possibly sealed. The reason halves forms can be attached elastic material to obtain tightness in oritse around the bars of the lattice. Examples of the elastic material is rubber or a type of polymer, the properties similar to rubber. Another way to obtain tension - machined contact surfaces of the halves of forms, thus making the grooves for the bars of the grating.

If the rods of the grill open the grill farms are in the same plane about a sealed contact surfaces of forms, it turns out that the components form can be made straight, and maybe even have a connection, in this case, the required grating farm item 10 in Fig. 3 and 5.

There is also another possibility for the manufacture of other lattice farm (positions 6, 7, 8 and 9) in Fig. 21 and 22, from small parts and with perpendicular or sloping curves for the simultaneous casting belts and plates in one operation.

Simultaneously, the lattice will also be fixed in position and will remain during pouring and vibrating compaction. Forms farm can be made in the form of a clip assembled with the lattice farm, valves, etc. than anything else and before pouring. The clip then you can take on the moulding table.

Further, the image explained in the description of specific examples of its implementation and the accompanying drawings, on which:

Fig. 1B is a view of the belt according to Fig. A;

Fig. 2A is a cross - section of the belt with a V-shaped curved grating 11 with curves, rotated so that they are perpendicular or inclined 15, according to the present invention. Belt with double L-shaped cross-sections and rectangular hollow sections 22;

Fig. 2B is a view of the belt according to Fig. 2A;

Fig. 3 is a perspective structural element of the flooring of the support, with the belt of the cast type 3 and the lattice of rods 10, bent in the form WM, according to the present invention;

Fig. 4 is a perspective of the steel belt with a T-shaped cross section 21 and the V-shaped grille 1 farm, according to the present invention;

Fig. 5 is a perspective belts with V-shaped curved grating 11 with perpendicular or inclined end hooks 16. Steel belt with a T-shaped cross section 21 and a molded plate 1;

Fig. 6 - look belt with a V-shaped curved grating 11 with perpendicular or inclined end hooks 16, according to the present invention. Belt of steel with T-shaped cross section 21;

Fig. 7 prospect in the manufacture of V-Opasniy;

Fig. 8 is a view and section V belt-shaped curved grating 11 with integral hooks 17, curved in one plane, according to the present invention. Belt of steel with T-shaped cross section or a double L-shaped cross sections, respectively;

Fig. 9 is a view and section of the farm with dual belts with V-shaped curved grating 11 with integral hooks 17, curved in one plane, according to the present invention. Grills are located in pairs one opposite the other. Belt of steel with T-shaped cross section go double L-shaped cross-sections; Fig. 10 - view and cross-section of the belt with a V-shaped curved grating 11 with perpendicular or inclined end hooks 16, curved in one plane, according to the present invention. Belt of steel with T-shaped cross section 21;

Fig. 11 - look belt with a V-shaped curved arrays 11 arranged in pairs, with perpendicular or inclined end hooks 16, according to the present invention. Belt of steel with T-shaped cross section 21;

Fig. 12 - stage production as well as view and cross section of W-shaped curved grating 12 with integral hooks 17, curved in one plane, according to the present invention;

Fig. 13 - the type and manufacturer of VW shaped, curved grating 13 with perpendicu the VW-shape curved grating 13 with perpendicular or inclined end hooks 16, according to the present invention;

Fig. 15 - species lattice (10) (A) VM-shaped curves, B) V-shaped, M-shaped curves, C) WM-shaped bends and section D), L-bends, E) C-bends and F) J-bends, according to the present invention;

Fig. 16 is a perspective structural element of the flooring of the support, with a cast belt 3 and figuratively curved rod 14 lattice farm, with short and long ends as integral hooks. Also includes V-shaped curved lattice farm with integral hooks. Lattice trusses perpendicular or inclined collected zigzag, according to the present invention;

Fig. 17 - precast element with-shape curved beam element 14 of the lattice, according to the present invention, including a metal belt with rectangular hollow sections or alternatively double L-shaped cross-sections. Metal zone 2, 21, 22 is not of circular cross section with perpendicular or inclined inner bends 15 in the plate, with straight ends 19 of the farm and has such a configuration that in the longitudinal direction of the belt they create zigzag;

Fig. 18 is another example-shaped curved grating element 14 according to the present invention. In principle it seems delannoy form 29 zone 3' and the bars 10 at the site, which will be sandwiched between the halves of the form using a viscous elastic material 30, and in the future half of the form 29 provided with notches 31 for elements of the lattice;

Fig. 20 - element with belts or farm with a wide bottom belt 3 when filling by means of Fig. 19;

Fig. 21A is a cross section of the element with the bars 8 with the fill tool according to Fig. 19;

Fig 21B is a vertical section of the element with the bars 8 in Fig. 21A;

Fig. 22A, B, C and D represent the views of: (A) X& shaped, curved 6, B) XJ& shaped, curved 7, C) & shaped, curved 8, D) L& shaped, curved grating 9 of the farm, according to the present invention.

Fig. 1 depicts a V-shaped curved grating 11 farm. The method of manufacture is as follows: using standard equipment crook bent to the bars, curved in one plane 18, with V - or V-shaped bends. The curves are perpendicular to the direction of the belt so as to form one part 15 of the grille, side prominent, as perpendicular or inclined, and is positioned so that the bends are mainly crosswise relative to the longitudinal direction of the belt and partially encased within a wide belt or plate, and the ends of the AMI 19, so the elements, as seen in the longitudinal direction of the belt, forming part forms a zigzag.

Fig. 2 depicts a V-shaped curved grating 11. Using a standard equipment rack, curved in one plane, bent in V - or V-shaped bends. The ends are then bent or turned to the side in either direction along the axis of bending, which can be perpendicular direction of the belt so that it is perpendicular or inclined portion 15 of the grating with straight ends 19.

Next, the bars can be cut into pieces of suitable length. The rod is provided with integral hooks 16,17 on both sides. They can be bent in one plane one against the other or in the same direction as the S-shaped form or in different planes. The grill can be curved with smooth 18 or perpendicular or oblique bends 15 and at least at the point of connection with the metal belt is curved in one plane along the belt.

In one design end hook is curved to one another and in the same plane. Then the rod is again bent in a different plane in the middle in a V-shaped piece so that the end hooks were mainly perpendicular or inclined 16. Cm. one direction or another on each side of the belt in order to avoid eccentric loading. Reinforcing rod 28 can be placed inside of the end hooks 16 for damping pulses and providing anchoring. End hook sealed inside plate 1 item or cast belt 3. Cm. Fig. 4, 5, 6, and 10.

V-shaped curved rods of the lattice can be placed one after the other, possibly connected one with the other end hooks to make a zigzag part. Or they can be set wider. Or for obtaining X-shaped details. Or even closer also in pairs in such a way as to obtain a zig-zag part of the double V-shaped elements or dual lattices. Fig. 11 shows a view of the belt with a V-shaped curved grating 11 with perpendicular end hooks 16 which are located on the two.

The grill can be bent so that the end hook bent in the same plane as one another, or from one another, and then bent in the middle in the form of a V-shaped mainly with smooth integral hooks. Such rods of the lattice can be located above described method, but in this case, the metal trusses. Fig. 8 depicts a view and cross-section of the belt with a V-shaped curved grating 11 with integral hooks 17, curved in one plane, in accordance with the present izobretatel turned one to another in the plane of the farm in the form of a double letter W. Fig. 9 depicts a view and cross section of the farm with a V-shaped curved grating 11 with integral hooks 17, curved in one plane. Lattice collected on two, one against another. Shows two types of steel belts with T-shaped sections 21 and double L-shaped sections 22.

The grill can be with integral hooks, curved to one another in one plane, then bent in the middle in the same plane as V-shaped with mostly even end hooks, and then curved in a new plane in the form of a W-shaped. Fig. 12 depicts a type and manufacture of the W-shaped curved grating 12 with integral hooks 17, curved in one plane, and perpendicular or oblique bends 15 lattice. End hook, curved in one plane, are located on the same side as the direct curve for fastening with belt, which will require another welding operation that can be considered a disadvantage. Bend the middle of the site requires the use of a bending machine of another type.

The lattice can also be with integral hooks, curved in a single plane, one to another. Then the lattice is bent in the middle in the form of a V-shaped mainly perpendicular or inclined end hooks. C the Oba has turned into a W-shaped part 13 with a low two times the average part. In the end, V-shaped middle portion is bent in the middle to get VW-shaped grill with smooth bends 18 on one side and with perpendicular or oblique bends 15 on the other side 14. Fig. 13 depicts the type and manufacturer of VW shaped, curved grating 13 with perpendicular or inclined end hooks 16.

Not done bends with a longer shank than the straight part of the finished grating the farm, in order to carry out production on small plots using small equipment.

Perpendicular or inclined end hook end on the side with perpendicular or oblique bends, the connection occurs when clamped by the above method.

Fig. 3 depicts a perspective structural element of the flooring of the support cast plate 1, molded belt 3 and the grating 10 farm WM-shaped.

Fig. 15 depicts a method of manufacturing the grating 10, according to the present invention. The basic material may be a rod (the rod, tube or rack material), smooth or wound on a large reel. Grille, curved in one plane from the beginning, with V - or V-shaped bends 18, provided with a perpendicular is away to anchor bend around an axis, which may be parallel to the belt, so that in lateral view obtained VM-shaped or WM-bends grating 10, respectively, and cross-sectional L-, C-, or J-shaped curves, respectively.

Fig. 16 depicts a prefabricated element with cast belt-shaped curved grating element 14 having such a form that in the longitudinal direction around the belt turns the zigzag. The method of manufacture is as follows. Using standard equipment element of the lattice farm is bent in one plane in a triangular or treugolnoe item, i.e., in-shape grating 14 with the ends overlapping on one side of the triangle, which is considered the base of a triangle, or used V-shaped curved grating 11 with integral hooks 16 where the end hooks comprise the Foundation. Lattice farm are compiled so that the base is basically perpendicular to the longitudinal direction of the belt 3 and is attached or embedded in a broad belt 3 or the plate 1. The ends 16 are attached to the belt 3 or sealed inside him. Thus, the grating in the longitudinal direction of the belt to form a zig-zag part. For blanking pulses and providing anchoring in the bends placed reinforcing sternit, with-shape curved grating 14, according to the present invention, with farms with a steel belt with rectangular hollow sections or double L-shaped cross section, a metal zones 2, 21, 22 non-circular shape with perpendicular or inclined inner bends 15 in the plates 1, with straight ends 19 of the farm, which is given such a configuration that in the longitudinal direction of the belt is obtained zigzag.

Fig. 18 depicts another embodiment of a shaped, curved grating element 14 according to the present invention. In principle, similar to Fig. 16, but the belt of steel with rounded cross-sections, in this case shown round the tube.

Fig. 19 depicts a cross-section through a split form 29 zone 3' and the bars 10 at the site, which will be sandwiched between the two halves form 29 with viscous elastic material 30, and half of the form with the slots 29 and 31, for example, for a grating 10.

Fig. 20 depicts the pouring element by means of Fig. 19.

Fig. 21A depicts a cross-section of the element with-shape curved bars 8 when pouring by means of Fig. 19, and Fig. 21B depicts a vertical cross-section of the element with the bars 8 in Fig. 21A. Also shows the device 32, EY, parquet boards, hanging devices, which must be Soundproofed. The drawing shows a wooden stove. Also in this way can be directly clamped elastic profiles, for example, curved sheet steel for insulation.

Fig. 22A, B, C and D depict the types (A) X& shaped, curved 6, B) XJ& shaped, curved 7, C) & shaped, curved 8, D) L& shaped, curved 9, according to the present invention. Lattice is curved, as described above, lattice, such as V-shaped or-shaped curved with the inner curve forming a loop for sealing the inside of the belt 3, with intersecting bars of the grating from the side of the belt, which is converted to the plate 1 or the other zone 3', there are several broad.

The curves of the above lattices of course can be done in a different sequence. Even if the above described and shown in the drawings, only some structural features of the present invention, it should be in the form that the present invention is not limited to them, but only those that are specified in the form of the invention.

1. Farm, including attached to the molded plate and the belt national grid, consisting of one or several parts of the rods, or bars, or R the tion pattern similar to diagonal elements in farms, inclined relative to the longitudinal direction of the belt on zigzag or sawtooth shape, characterized in that the lattice is made of one or more elements, provided with a perpendicular or inclined (15) internal bends, the ends of which made direct (19) or provided with hooks (16, 17), which when attached to the plate or monolithic floor sankarani inside, and when attaching the metal belt (2, 21, 22) at the point of attachment is curved in one plane (17, 18), and the element of the lattice is V-(II), or W-(12), or VW-shaped, or curved triangular or treugolnoye, and the curvilinear grid (14) is similar to X& (6), XJ& (7), &(8), L& (9) with internal bend, forming a loop, with hooks on the ends or straight ends, tankerenemy in the cast slab, or the element of the lattice is made laterally in the form of a VM or WM (10) and respectively in cross section resembling J, L, S or C.

2. Farm p. 1, characterized in that the element of the lattice V-shaped form made of a smooth rod, provided with integral hooks, curved in the same plane as one another or in the same direction, forming S-shaped, or in different planes, and bent again with internal bend in the same plane as the con is curved bars or in another plane, than end hook, or in the middle or near in the form of V-shaped form (II), so that the end hook (16) basically perpendicular to or are inclined.

3. Farm p. 1, characterized in that the grating W-shaped form made of a smooth rod, provided with integral hooks, curved in the same plane as one another or in the same direction, forming S-shaped, curved even in the middle or near the same plane as V-shaped, so that the flat end hook (17) are at a depth corresponding to approximately twice the depth of the lattice, and then bent in the middle in a new plane in the form of a W-shaped (12), so the bars with one hand is perpendicular or oblique bends, and on the other hand smooth curves with end hooks (17), curved in one plane.

4. Farm p. 1, characterized in that the grating VW-shaped form made of a smooth rod, provided with integral hooks, curved in the same plane as one another or in the same direction, forming S-shaped, curved again in a different plane than the end hook in the middle or near in the form of a V-shaped so that the end hooks are the current curve at a distance of 1/6 from the ends in the form of a W-shaped with a depth twice the middle part, and the middle part of the V - shaped bent in the middle, resulting in a grid (13) VW-shape with perpendicular or oblique bends (15) on the one hand, where also are located perpendicular to or inclined end hook (16) and with smooth curves (18) lattice with the other hand.

5. Farm p. 1, characterized in that the grating has a triangular or triangle form, i.e. shape, with the ends of the grating (14) is shaped is made direct (19) or overlap with the base of the triangle or provided with end hooks, or the element of the lattice (11) is made V-shaped, provided with end hooks (16), which form the basis and the elements of the lattice are so the base is perpendicular or inclined to the longitudinal direction of the belt truss and attached to or sankarani inside a wider belt or plate, and the corners attached to or sankarani inside the belt or the ends (19) attached to the belt.

6. Farm p. 1, characterized in that the element of the lattice V-shaped made with an intermediate bend one smooth rod, bent in the middle or near the same plane (18) and located the or bent and/or twisted so that that is formed perpendicular or oblique bending (15), and ends (19) of the element is V-shaped (II) attached to the belt.

7. Farm p. 1, characterized in that the grating VM - or WM-shaped form made of a single grating, curved in one plane with the V-shaped bends (18) with perpendicular or oblique (15) curves, using the fact that the lattice is curved on at least one side adjacent to the V-shaped bend around an axis parallel to the belt, so that a side view is VM - or WM-shaped form (10), and the cross-section is J-shaped, L-shaped, S-shaped or C-shaped curves, respectively.

8. Device for manufacturing molded farm, including forms to fill the upper and lower zones, characterized in that for the manufacture of farm according to any one of paragraphs.1 - 7 form to fill the upper zone is at a distance above the shape of the lower belt and consists of two halves (29) with hollows suitable to the corresponding lattice for tightness and/or premises elastic viscous material (30) to provide a tight seal between the halves (29) form so that when the pressing of one half of the form to another elastic material (30) is compressed and spread out around bars

 

Same patents:

The invention relates to a support beam of elongated form for use in pouring concrete floors in the basement, the specified reference beam contains a bottom supporting element and an upper bearing element with a flat sliding surface that allows the device for levelling concrete to move along the flat surface of the sliding

FIELD: building, particularly profiled beams to construct floor coverings with thickness of 25 - 40 mm for arranging finishing floors and other structures, for instance for flat roofs.

SUBSTANCE: profiled beam comprises longitudinal load-bearing member, two perforated side walls connected with bearing member and perforated bases extending from them in opposite directions. Each base has bent end forming longitudinal three-edged extension. The first edge is perpendicular to the major part of base. The second edge is parallel to the second one, the third extreme edge forms an angle of not less than 90o with the second one.

EFFECT: improved cohesion ability between beam and covering material.

8 cl, 5 dwg

FIELD: construction.

SUBSTANCE: beam comprises compressed and stretched belts and wall. Wall consists of metal sheets perpendicular to planes of belts. Metal sheets have traditional or alternate corrugation on part of length as transverse to longitudinal axis of beam. Cavities formed between metal sheets on sections of intense transverse forces are filled with concrete. Corrugations on these sections remain with section permanent along wall height.

EFFECT: reduced metal intensity and increased bearing capacity of beam.

9 cl, 13 dwg

FIELD: construction.

SUBSTANCE: in a composite beam structure there is one or more parts in the form of boards and a beam are connected together by means of an ingot. The beam structure comprises a steel beam, above which there is one or more mounting pins. Length of mounting pins at least three times exceeds the width of the upper surface of mounting pins. The pin is arranged with the possibility to transfer a force in connection between concrete and steel in the vertical and longitudinal direction relative to the beam. In a transverse cut perpendicular to a longitudinal direction of the pin there is at least one part, in which the pin width is more than on a section arranged directly below.

EFFECT: high-quality combination of technical parameters of a beam.

15 cl, 10 dwg

FIELD: construction.

SUBSTANCE: truss comprises ascending compressed support and intermediate braces, stands and descending stretched braces. Upper and lower belts of the truss are made of equally stable double-tee sections. In the most stressed zone in the middle of the span the upper belt is converted into a tubular one by means of welding of closing sheets at sides to the double-tee section. All compressed elements of the truss lattice are made of oval pipes with the ratio of larger dimension to smaller one equal to three. Oval pipes are aligned with a larger dimension perpendicularly to the truss plane. Compressed braces are detached by two struts in the truss plane. After installation of the truss into the design position, hoses of concrete pipelines are connected to nozzles of closed tubular elements of the truss. Fine-grained expanding concrete is injected into cavities of elements with formation of guncrete elements after concrete setting.

EFFECT: improved durability and reliability of a truss.

5 dwg

FIELD: construction.

SUBSTANCE: side member for performance of concrete works includes a support iron. The iron comprises a support foot that faces with its lower surface to the base and is made as capable of direction fixation on it with the help of fixtures. The iron comprises two vertical guide elements made as a whole with the support foot and stretching from it in parallel to each other to create a gap between them. The gap provides for location of a sliding element made as capable of displacement in the vertical direction relative to vertical guide elements and fixation to them.

EFFECT: elimination of cavity formation during hardening of filling material, provision of identical density of filling material during its hardening and reduction of labour intensiveness of member installation.

20 cl, 3 dwg

FIELD: construction.

SUBSTANCE: invention relates to construction, namely, to composite beams working in bending, used as buildings load-bearing elements. Steel-reinforced concrete beam is made of two shaped thin-walled steel shells, forming upper and lower belts filled with reinforced concrete and flat wall, with die-fixed ribs interconnected by bends of die-fixed studs ends. To ensure upper belt constant size die-fixed studs with bends are engaged with mesh reinforcement.

EFFECT: technical result of invention consists in improvement of beam carrying capacity.

1 cl, 7 dwg

Steel-concrete beam // 2621247

FIELD: construction.

SUBSTANCE: steel-concrete beam consists of the upper and the lower belts, walls and supporting diaphragms forming a closed circuit filled with concrete. Wherein the walls have a curvilinear form of double curvature, the distance between which reduces from the upper belt to the lower one. In the walls there are openings and cutouts, which are located with variable pitch along the beam length in accordance with the shearing stress diagram. The walls are connected by pre-stressed tie rods.

EFFECT: reducing the material consumption of the steel-concrete beam.

4 cl, 12 dwg

Steel concrete beam // 2627810

FIELD: construction.

SUBSTANCE: steel concrete beam comprising the upper and lower belts, the wall and the concrete located in a closed loop in the upper part of the beam section, has a closed loop for the concrete location. The closed loop is formed by the upper belt and the wall consisting of two sheets bent outwards in the upper part of the beam in accordance with the diagram of normal compressive stresses in the cross sections of the beam. The upper edges of the wall sheets are spaced in the horizontal plane and form along the beam length two curves corresponding to the bending moment diagram in the beam. The upper interface points of the wall sheets are located on a vertical curve corresponding to the bending moment diagram in the beam. And the wall sheets are united by retainers of variable length, which give it the curved shape along the beam height and length.

EFFECT: reducing the material consumption of the steel-concrete beam.

7 dwg

FIELD: construction.

SUBSTANCE: i-beam with a corrugated wall comprises flanges and a wall made of metal corrugated sheet welded to them with a transverse arrangement of free-form corrugations. Wherein, the wall consists of two or more parallel interconnected corrugated sheets, and the flanges are made of steel-reinforced concrete, consisting of rigid reinforcement in the form of a corrugated metal sheet and reinforcing frame including longitudinal reinforcement and transverse reinforcement, which surrounds the longitudinal reinforcement, is connected to it, and its ends are bend-inwardly welded to the corrugated sheet of metal with an offset from the beam wall equal to not less than 50 mm.

EFFECT: increased durability, fire resistance, bearing capacity and cross-breaking strength of a beam with a corrugated wall in two planes and torsion strength, expansion of its application range in construction.

14 cl, 4 dwg

FIELD: construction.

SUBSTANCE: element is proposed, including a concrete element (1) covered by a reinforcing ring from rolled sections (2), with openings (5) in flanges, arranged in rows with the same pitch and connecting cross elements, the ring being connected to the concrete element for the joint operation by means of concrete keys (6) located in the openings (5) of the rolled sections. According to the invention, the long-length steel concrete element is made with the possibility to increase the length, changing the shape by length and the position in space, wherein the concrete element and the reinforcing ring elements are connected monolithically, and the openings in the rolled sections are made with the possibility to be filled with concrete, forming simultaneously the concrete element (1) and the keys (6). As rolled sections (2), either corner sections or channels are used, and either reinforcing rods or plates are used as connecting cross elements.

EFFECT: expanding the area of using the steel concrete element as long-length bearing and non-bearing elements, reducing the labour consumption of manufacture due to the possibility of monolithically forming the long-length steel concrete element.

22 cl, 9 dwg

Up!