Assembly construction element in form of beam, and also method and device for manufacturing of this construction element

FIELD: construction.

SUBSTANCE: assembly construction element in the form of beam, comprising shelf and two walls, differs by the fact that shelf has one wall at each of its two longitudinal sides, besides each wall is attached to one longitudinal side wall of shelf preferably with the help of adhesive substance, and by the fact that end zones of shelf inverted from shelf are flatly connected to each other by surfaces facing each other, preferably with the help of adhesive substance, besides walls in their cross sections have shape of "extended S".

EFFECT: development of efficient construction element in the form of beam.

25 cl, 16 dwg

 

The invention relates to a prefabricated construction element in the form of a beam containing a shelf and two walls, and formed from it the element of design. In addition, the invention relates to a method and apparatus for the manufacture of specified construction element.

Known structural elements of this type, which in their cross sections shelf and two walls form a triangle. Construction elements of this kind are made as a profile, obtained by continuous pressing.

The objective of this invention is to provide a prefabricated construction element of this type so that this building block could optionally be made of different materials for the shelves and walls or from materials that have elapsed, respectively, different processing, i.e. different pre-made. In addition, the objective of this invention is to provide such a construction element with a high load capacity and high torsional stiffness and, in particular, with a simple manufacturing technology.

The task according to the invention is solved in that a shelf having one wall at its two longitudinal sides, each wall is attached to the longitudinal side wall of the shelf preferably by adhesive, and the end zone ka the DOI shelves, converted from shelves, flat are connected to each other by the surfaces facing to each other, preferably by adhesive, with each wall in cross section takes the form of an elongated S, and each wall preferably covers the entire longitudinal side wall of the shelf to which it is attached, along its entire height.

Preferably, the ends of the walls along the longitudinal side wall shelves, end flush, at least part of the outer sides of the shelf, in particular, by mechanical machining of the assembled building element or procurement of the construction element.

To achieve high load bearing capacity and high torsional stiffness ratio of the width of the shelves to the height of the wall is in the range from 1:20 to 1:1, preferably in the range from 1:6 to 1:1, in particular in the range from 1:3.5 to 1:2,5.

The proposed construction element preferably differs in that it is completely made of wood, and the shelf is preferably made of lumber, and the walls are preferably made of plywood, the walls it is advisable to produce three-ply plywood, and wood fibers of the two outer layers of plywood are held in the longitudinal direction of the construction element. Constructions of this kind are especially good COO is a relation between its own weight and load carrying capacity. In addition, for the shelf, you can use low-grade lumber lumber industry, which allows to increase the newly created value of the specified lumber.

If this construction element is connected in one piece with the help of adhesive, as the adhesive for wood adhesives are preferably used, in particular, adhesives synthetic resin and polyurethane. Additional possibilities open modern adhesives with microwave or ultraviolet curing. Instead of liquid glue can be used, and a film adhesive.

Preferably, the cavity formed by the walls and shelves, filled with material, such as quartz sand, flakes cellulose, foam, polyurethane foam, etc. This padding allows us to solve all kinds of problems, such as, for example, to meet the requirements of thermal and acoustic insulation. Optionally, the filling may be carried out prior to the installation of building element or after it, and the advantage of the latter solution is more easy manipulation, as in this case, you will need to carry only light hollow building elements.

The stated construction element with symmetric cross-section, characterized in that the flat United end zone walls lie in the middle of the width of the shelves is p is impactfully from the point of view of stress States.

To increase the bearing capacity is provided by a partition extending from the shelf to the plane connected with each other end zones of the walls, and this partition is preferably abuts the inner side of a shelf or in accordance with another embodiment, passes through the shelf to its outside. You do not want the partition took place along the entire length of the construction element, it can be inserted from the ends or be entered in the specified construction element through a slot in the shelf.

An additional increase in the carrying capacity is reached, if the partition is connected with a construction element with glue.

A modified version of the construction element is characterized by the fact that the two walls are attached to the shelf, are on both sides of the shelves, and both end zones of the two flat walls connected to each other by the surfaces facing each other, with each wall in cross section has the shape of a "double S". When this shelf is preferably located in the middle plane of symmetry of the construction element.

Construction elements according to the invention can be collected to obtain structural elements by placing them side by side and bonding among themselves, with preferably at least two construction element is placed so that th is would they lay next to each other, shelf of both building elements formed one surface, and of building elements connected adjacent to each other end zones of the walls that are on the shelves, preferably with an adhesive, and, in addition, between the two free plane connected to each other in end zones of the walls of the adjacent building elements put another shelf in front of shelves of these building elements, and connect with end zones flat interconnected walls preferably by means of glue.

Several construction elements thus arranged next to each other and containing several shelves located opposite the shelves these structural elements form a plate-like structural element.

There are several variants of plate-like construction elements. In the document AT 285129 AS, for example, describes a wall element formed by two spaced wall coverings, collected from boards, between which is inserted zigzag boards, each of which is adjacent to both wall coverings. If necessary, they can stick to the wall coverings. This design not only heavy, but its very difficult to manufacture.

From the document WO 02/06606 A1 famous slab-on-grade construction element, in which two spaced plates pok is itia also connected with the intervening walls, each of these walls is held at right angles to both the covering.

In addition, plate-like structural elements, between which there is a zigzag insert either in horizontal or in vertical position, due to which the honeycomb structure is formed, is also known from document GB 560913 A. Cellular structure between the panel elements is known from AT 196113 A.

In addition, the invention relates to a method of manufacturing a construction element of the claimed genus. This method differs in that wall attached, preferably glued to the shelf, which is preferably made of lumber so that the wall passed vertically from the shelf on the longitudinal side surfaces, and thus receive the U-shaped cross section of the billet construction element, after which the free end zone of the wall located on the opposite side from the shelves, is inserted into the groove tapering wedge-shaped and in its narrowest place turning into a groove with parallel walls, and by moving this billet construction element along the V-grooves in the groove with parallel walls when strain is brought into contact with each a friend and left in contact in the groove with parallel walls, and on the inner side walls that contact the enjoy with each other, pre-applied adhesive.

Moving the workpiece building element through grooves preferably provide traction element, passing along the billet construction element, such as a rope, attached to the end of the billet construction element and pulled by a winch. Of course, to move the workpiece building element in the groove of the can and through the efforts of compression.

Device for the manufacture of the proposed construction element is distinguished in that it includes a wedge-shaped in the longitudinal direction of the groove, the greatest width of which is equal to or greater than the sum of the widths of the shelves and the thickness of both walls, and the minimum width equal to or slightly greater than the thickness of both walls in the sum, and the groove parallel to the longitudinal direction of the wall, which adjoins or is likely to join the V-groove at its smallest width in the longitudinal direction is parallel to the longitudinal direction of the wedge-shaped grooves, and its width corresponds approximately to the smallest width of the wedge-shaped grooves, and the depth of both grooves corresponds at least approximately to the width of the connected to each other end zones of the walls of the building element.

The preferred implementation is different in that it includes a drive unit, with assistance from the who procurement construction element move through the wedge-shaped groove in the groove with parallel walls, device for tensioning of a cable, preferably for this purpose turned out to be a device for tensioning the cable, the cable which can be extended along the billet construction element to the end and be fastened there.

For mass production it is advisable to have two or more grooves with parallel walls, nearby, and one wedge-shaped groove, which can be moved from one groove to another and to exhibit exactly opposite them.

The internal stress of the walls, particularly if they are made of plywood, in the groove with parallel walls is so great that generates compression forces acting in the outward direction, i.e. in the effective direction perpendicular to the base of the groove in the side of the groove, which can lead to the bounce of the construction element. Therefore, it is advisable to back pressure in the direction of the grooves perpendicular to its base. The specified pressure is created due to the fact that in the lumen of the grooves provided by perceiving the force guiding device, which will be set against a shelf procurement construction element.

Below the invention is explained in more detail in several embodiments shown in the drawings.

1, 2 and 3, each represent a General type of construction is the ways in various embodiments, execution.

Figure 4-10 shows the transverse and longitudinal cross sections of structural elements, collected from the individual construction elements.

11 and 12 represent a General view of the device for manufacturing a construction element.

Figa-D illustrate the principle of operation of this device, also in the General form.

The construction element 1, shown in figure 1, is formed by the shelf 2 and the two walls 3, 4, and a wall attached to the sides 5, 6 shelves 2, namely, to its narrow edge sides, preferably with an adhesive. Both the free end of walls 3, 4 flat interconnected at their end zones 7, namely, the surfaces 8, 9, facing each other, also preferably using adhesive. Each wall 3, 4 has in cross section the form of an elongated S. Preferably, shelf 2 is made of lumber, inexpensive supply the sawmill industry, and, in addition, may be collected in a longitudinal direction of several separate parts, connected to each other in a known manner. The walls 3, 4 are preferably made of plywood, preferably, a three-layer plywood, wherein the longitudinal fibers of the two outer layers are along the building element. Construction element has in its cross-section line 10 symmetry, which means that both the United other the other end area 7 of shelves 3, 4 will be touching vertically in the center of the width of the shelf 2.

The inventive construction element 1 has the advantage that in principle can be made from all different materials of the whole or of different materials for shelf 2 and walls 3, 4, respectively, with the walls 3, 4 are primarily used materials that can absorb shear forces and, in addition, flexible and preferably glued. The walls 3, 4 can be manufactured, for example, cardboard, plastic, sheet metal, plywood or other materials from wood. Similarly, various materials can be produced and the shelf 2, for example, from plastic, cardboard, plywood, and metal.

In accordance with the embodiment represented in figure 2, in the cavity 11, which is contained between the shelf 2 and walls 3, 4, inserted partition 12 which is entered on the face of the construction element 1. The baffle 12, which if necessary can be made from the same material as the walls 3, 4, can connect with the walls 3, 4 or shelf 2, respectively, by gluing.

In accordance with the embodiment presented in figure 3, the partition 12 is inserted into slavinia the slots 13 in the shelf 2 and pass to the outer side 14 of the shelf 2. Variants of the construction element 1, the pre is presented in figure 2 and 3, provide a particularly high load-carrying capacity with high torsional stiffness.

Item 15 of the construction shown in figure 4 and 5, is made of several building elements 1, are presented in figure 1, adjacent and connected to each other, and the respective free ends connected to the walls 3, 4 of the individual construction elements 1 are connected by a shelf 16 is preferably also gluing. Figure 6 presents the structure in which the ratio of the width 17 of the construction element to the height 18 of the construction element is approximately 1:1.5, while in figure 4 the ratio is slightly more than 1:3.

As you can see from Fig.6 and 7, the ratio is 1:1.5 gives a stronger S-shaped curvature of the walls 3, 4, which is valid if the walls 3, 4 have sufficient flexibility, and provide greater stability, particularly when the shelf 16 on the upper side of the element 15 design and shelf 2 on the bottom side of the element 15 designs arise shift efforts.

On Fig presents an implementation option, such option exercise at 6. However, in this case, the cavity 11 is filled with polyurethane foam 19, which also contributes to the increase of carrying capacity. Depending on different requirements (soundproofing, increasing the carrying capacity, insulation, etc.) the cavity m which may be filled with different materials.

Figure 10 presents the element 15' designs, are made of the construction element 1' according to one of the embodiments, in which each of the two walls 3', 4', attached to the shelf 2, passes from one side of the shelf 2, and both end zones 7, 7' of the two walls 3', 4' plane are connected to each other by the surfaces facing each other. In the wall 3', 4' in their cross sections have the form of a double elongated S.

Figure 11 shows the device 20 for the manufacture of the construction element 1, shown in figure 1. The specified device 20 has a box-shaped tunnel 21, reinforced frames 22 provided at some distance from each other in the longitudinal direction of the tunnel and designed to absorb directed outward forces.

On the bottom 23 of the tunnel with a clearance slightly greater thickness 25 two interconnected end zones 7 of the walls 3, 4, laid the strap 24. These strips 24 to form grooves 26 with the so-called parallel walls, and the depth of these grooves also provides a little more height, which are connected to each other both end zones 7 of the walls 3, 4. The distance between the walls preferably corresponds to the width of the shelf 2.

On the supporting device 29, which can be moved from one groove 26 with parallel walls to the other groove 26 parallel with the walls in the direction of the arrows 30, provided by a wedge-shaped groove 27, also formed by the straps 28 of the same type as that of the strap 24. Specified wedge-shaped groove 27, a wedge shape which tapers in the longitudinal direction in the direction of the grooves 26 with parallel walls, is for receiving the workpiece 31 building element formed by the shelf 2 and the two have not yet deformed by the walls 3, 4, parallel to each other along the shelves 2 and attached thereto, and to accommodate the specified workpiece into the groove 26 with parallel walls when moving billet construction element in the direction of the arrow 32 on Fig, and the end area 7 of the walls 3, 4 are squeezed together. For this purpose, the end area 7 of the walls 3, 4, which should connect to each other, pre-borne adhesive. To prevent bounce of the workpiece 31 building element of the grooves 26 with parallel walls, caused by compression forces that occur during the deformation of the walls 3, 4, the height of the tunnel 21 is selected such that the shelf 2, as shown in Fig, adjacent to the inner surface 33 of the tunnel 21, opposite the grooves 26 with parallel walls. On figa-D shows how the deformation of the walls 3, 4 for longitudinal movement along the wedge-shaped grooves 27.

Moving the workpiece 31 building e is ementa can be done by forces of compression or traction forces. In particular, it is preferable to pass the cable through the cavity of the workpiece 31 building element between the walls 3, 4 and to fix the specified cable to the far end of the workpiece, and then attach to the rope, which passes through the tunnel 21, traction, causing the movement of the workpiece 31 building element in the direction of the arrow 32.

The forming plate-like elements 15 structures of the individual construction elements 1 and 1', respectively, is preferably carried out in the press, in which the neighboring construction elements 1 and 1' shrink after pre-application of glue to the side, resting against each other. Before then, however, between the free end zone 7 joined to each other of the walls 3, 4 and 3', 4', respectively, of the individual construction elements 1 and 1' pre-insert shelves 16 corresponding to the shelf 2 of the construction element 1, 1'.

If you use wood connection of the walls 3, 4 and 3', 4' with 2 shelves, 16 building elements 1 and 1', respectively, is preferably carried out using an adhesive; in particular, the adhesive of synthetic resin, in the case of other materials for the individual elements of the construction element, the connection of these individual parts perform, depending on the type of material, i.e. for example by soldering, welding, screwing, etc.

1. Borysthenes element (1, 1') in the form of a beam containing shelf (2) and two walls(3, 4; 3', 4'), characterized in that the shelf (2) has one wall(3, 4; 3', 4') on both longitudinal sides, each wall is secured to the longitudinal side wall shelves (2) preferably using adhesive, and leaf area (7, 7') of the wall(3, 4; 3', 4'), converted from 2 shelves plane are connected to each other by the surfaces (8, 9), facing each other, preferably by adhesive, with each wall(3, 4; 3', 4') in cross section takes the form of an elongated S".

2. The construction element according to claim 1, characterized in that each wall(3, 4; 3', 4') closes the entire longitudinal side wall shelves (2), to which it is attached, in all its height.

3. The construction element according to claim 2, characterized in that the end walls (3, 4)along the side wall shelves (2)end flush, at least part of the outer side (14) shelves (2), preferably, by mechanical machining of the assembled construction element (1) or the workpiece (31) of the construction element.

4. The construction element according to one of claims 1 to 3, characterized in that the ratio of the width (17) shelves to the height (18) of the wall is in the range from 1:20 to 1:1, preferably in the range from 1:6 to 1:1, in particular in the range from 1:3.5 to 1:2,5.

5. The construction element according to one of claims 1 to 3, the tives such as those that completely made of wood, with shelf (2) preferably made of lumber and wall(3, 4; 3', 4') preferably made of plywood.

6. The construction element according to claim 5, characterized in that the wall(3, 4; 3', 4') preferably made of three-ply plywood, and wood fibers of the two outer layers of plywood are held in the longitudinal direction of the construction element (1, 1').

7. The construction element according to claim 1, characterized in that as adhesives adhesives are used, in particular, adhesives synthetic resin.

8. The construction element according to claim 1, characterized in that the cavity formed by the walls(3, 4; 3', 4') and shelf (2)filled with material, such as, for example, quartz sand, flakes of cellulose, foam, polyurethane foam or similar material.

9. The construction element according to claim 1, characterized in that the flat United end zone (7, 7') of the wall(3, 4; 3', 4') lying in the middle of the width of the shelf (2).

10. The construction element according to claim 1, characterized in that is provided by the partition wall (12)extending from the shelf (2) to the flat end of the United zones (7) walls (3, 4).

11. The construction element according to claim 10, characterized in that the partition (12) rests against the inner side shelves (2).

12. The construction element according to claim 10, characterized in that the partition (12) passes through the shelf (2) to its externally the side (14).

13. The construction element according to one of p-12, characterized in that the partition wall (12) connected with the construction element (1) with glue.

14. The construction element according to claim 1, characterized in that the two walls (3', 4'), attached to the shelf (2), pass on either side shelves (2), and both end zones (7, 7') of the two flat walls connected to each other by the surfaces facing each other, with each wall (3', 4') has in cross section the shape of a "double S".

15. The construction element according to 14, characterized in that the shelf (2) is in the middle plane of symmetry of the construction element (1').

16. The structural member (15)formed of at least two construction elements (1, 1') according to one of claims 1 to 15, adjacent and interconnected to the height of the shelves is preferably by means of glue.

17. The structural member according to item 16, characterized in that at least two construction elements (1, 1') are arranged next to each other, and shelves (2) both building elements (1, 1') to form one surface, and construction elements (1, 1') are connected to each other adjacent to each other end zones (7, 7') of the wall(3, 4; 3', 4'), located on the shelves (2), preferably with an adhesive, and between the two free flat connected to each other in end zones (7, 7') of the wall(3, 4; 3', 4') related article otelnuk elements (1, 1') inserted regiment (16)located opposite the shelves (2) the building elements (1, 1'), coupled with end zones (7, 7') flat interconnected walls(3, 4; 3', 4') preferably with glue.

18. The structural member according to item 16, characterized in that it has a plate-like shape and several construction elements (1, 1')arranged next to each other and containing several shelves (16)located opposite the shelves (2) the building elements (1, 1').

19. A method of manufacturing a construction element (1) according to one of claims 1 to 15, characterized in that it preferably made from timber shelf (2), to its longitudinal sides, stick held upright walls (3, 4) to obtain the preform (31) of the construction element with a U-shaped cross-section, after which the free end of the zone (7) walls (3, 4)located opposite the shelves (2), is inserted in a wedge-shaped tapering groove (27), which in its narrowest point moves in the groove (26) with parallel walls, and by moving the workpiece (31) of the construction element along the V-grooves (27) until the notch (26) with parallel walls due to the V-form deformation is brought into contact with each other and leave the contact in the groove (26) with parallel walls, and inner side walls (3, 4), which account which can be carried on with each other, pre-applied adhesive.

20. The method according to claim 19, characterized in that the moving billet construction element (1) in the grooves (26, 27) carry out a traction element, passing along the workpiece (31) of the construction element, for example a rope, attached to the end of the workpiece (31) of the construction element and pulled by a winch.

21. The device for manufacturing a construction element (1) according to one of claims 1 to 15, characterized in that it has a wedge-shaped in the longitudinal direction of the groove (27), the maximum width of which is equal to or greater than the sum of the widths of shelves (2) and the thickness of both walls (3, 4), and the minimum width equal to or slightly greater than the thickness of both walls (3, 4) in total, and the groove (26) in parallel in the longitudinal direction of the wall, which adjoins or may adjoin to a wedge-shaped groove (27) in place of its smallest width, and the longitudinal direction of which is parallel to the longitudinal direction of the wedge-shaped groove (27), and its width corresponds approximately to the smallest width of the wedge-shaped groove (27), and the depth of both grooves corresponds at least approximately to the width of the joined end zones (7) walls (3, 4) of the construction element (1).

22. The device according to item 21, characterized in that it has a drive unit for moving the workpiece (31) construction of wedge-shaped element through which unavco (27) into the groove (26) with parallel walls, preferably, drive unit, which provides a rough workpiece (31) of the construction element, such as a device for tensioning the cable.

23. The device according to item 22, wherein a device for tensioning the cable, which provides cable pulling cable along the workpiece (31) of the construction element to its very end and pinning him there.

24. Device according to one of PP-23, characterized in that it has two or more grooves (26) with parallel walls located next to each other, and one wedge-shaped groove (27), which can be moved from one groove (26) to the other groove (26) and to exhibit exactly opposite them.

25. The device according to item 21, characterized in that it comprises perceiving efforts guiding device (33) in the lumen of the groove (26), in which abuts shelf (2) of the workpiece (31) of the construction element.



 

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