A vehicle with a tilting body
(57) Abstract:Usage: in the transport, carriage and unloading of vehicles loose or bulky materials. The inventive vehicle with a tilting body has a chassis that supports a tilting body with a rectangular perimeter frame and an open truncated capacity, made of flexible material connected to its top edge to the frame. The frame is adapted for angular movement between a horizontal position during transport and position tilt down when unloading. Capacity is in limbo semicircular cross-section. To move the frame between two specified positions on the chassis mounted tilting mechanisms. Below the tank is provided with devices for controlling the shape of the tank, in order to maintain the lower longitudinal wall of the tank when tilting to reject it mainly straight down in an inclined position. This deviation lower wall allows you to upload the contents through the lower edge of the frame in the unloading position. 10 C.p. f-crystals, 8 ill. The present invention relates to a tilting devices. In osobenno, using lateral tilting, for example in a vehicle without doors with discharge over the side. This method of discharge is used in freight cars, trailers and protrader for transportation and shipping of bulk or oversized materials.In international patent application W 089/02838 describes a system for side unloading of the vehicle side rollover. The container body has a hinge on one side, in the lower turning point, and hydraulic floaters on the other side. Floaters, two-phase, the first phase of unilateral action, and the second phase of the double-acting with the trim around the Central valve. Body during transportation or neurocinema position is supported by the supports so that the hinge and floaters do not support the load. Further, the body leans on the tilt side to reduce the degree of tilting required for unloading the contents of the body.A drawback of presently known design side tipping is that if the body usually has a traditional rectangular cross-section, it is necessary to have doors on the side of the body, where the discharge open, when is in normal position, to unload the entire contents of the body when dumping. The presence doors aboard the body generates a lot of challenges, such as maintaining the required strength of the door body, the difficulties associated with opening and closing doors, especially after a considerable period of use, when the doors and/or adjacent parts of the body can be deformed and become distorted, leading to difficulties installing them and closing.When you try to avoid problems arising from the use of doors on Board the tilting of the body, it was proposed to incline the side wall of the body to the side on which he overturns. Such inclination of the side wall allows the body to bend less and nevertheless to ensure the discharge of the contents down the inclined wall when the body is in an extreme position overturning. This design, however, has the disadvantage that the slope of the side reduces the overall load bearing capacity of the body.In addition, you must affect a substantial degree of axial movement of the body so that cant be substantially bent down during tipping to ensure that all the contents have been unloaded. This flat is substantial degree of displacement of the center of gravity of the body to the side of the stall.From the author's certificate USSR N 821250, class B 60 P 1/28, 1981, known vehicle with a tilting body, containing the chassis, mounted on a set of wheels mounted on the chassis body, made with a curved bottom surface mounted on the chassis of the device to maintain the body in the transport position and for overturning and drive tipping body.The disadvantage of the vehicle is that it has a body made of rigid material and can tip over either to the rear or to one side of the vehicle for discharging cargo.The purpose of this invention is the provision of a tilting system of the vehicle, providing greater security and better functional characteristics with the aim to avoid problems arising from the use of existing structures.In accordance with this invention features a vehicle with a tilting body, containing the chassis, mounted on a set of wheels that has a body made from the top of the perimeter frame and an open top container with a semi-circular the of the body in the transport position and the tilting and tilting mechanisms, mounted between the chassis and the body, serving to move the body from the transport position to the unload position in which the container is formed is suspended from the perimeter upper frame parallel to the longitudinal edges of the panel of flexible material, these support device connected to the perimeter of the straight body, if the vehicle is equipped with interacting with the capacity of devices to control the shape of the tank during unloading, providing the unloading of the goods under the action of gravity through the bottom when the rollover side of the frame. Devices to control the shape of the tank mounted on the chassis for deviations up the side of the tank, along the bottom side of the frame body when tilting it.Preferably, the device for controlling the shape of the tank were arranged so that they are able to deviate when the body is moved into position for unloading, the side of the tank is extended by the length of the bottom side of the body so that the side parts form a tilted up to the surface, stretched for a considerable distance up from the bottom side of the perimeter frame.These devices control the ons perimeter frame, up against the frame when the body is moved into position for unloading. This deviation leads to the application of a lifting force to the bottom of the tank to ensure that the installed tilted up to the surface and to increase the degree of its inclination.A more detailed description of the vehicle with a tilting body, containing the chassis, mounted on a set of wheels; a body made from the top of the perimeter frame and open at the top of the tank, with a semicircular cross-section, a support device for supporting the body in the transport position and for overturning mounted on the chassis on opposite sides of the body and connected to the last frame for hanging between two control devices, and a tipping mechanism, representing a hydraulic cylinder mounted between the respective supporting device and adjacent to the last end of the frame body connected to rotate with the corresponding end of the frame body, to move the body from the transport position to the unload position, the container is formed is suspended from the perimeter upper frame parallel to the longitudinal edges of the panel of flexible the STI capacity in the area from the bottom when dumping the body side of the frame to the device to control the shape of the tank and the length of the bottom side of the frame.The body may be mounted so that when you rollover one side or end of the vessel was the lowest in position.Preferably, the device was given the opportunity to apply the increased voltage to the material container in a direction that will promote tilted up straight part. Tensioning devices are driven in response to movement of the perimeter frame in position tilt down when unloading.The chassis may include a support, providing support for the bottom of the tank in transport position. Usually bearing cooperates with the upper edge of the side to which the container is turned over through the rim to form part of the transmission devices and to deform the body when the body is lifted from the support and leans to the side via side. A side rejects the vessel wall, when the container is tipped to provide the opportunity tilted down the straight part to send the contents of the tank through the bottom edge of the perimeter frame.In another embodiment, a device for controlling the forms contain two parallel transmission rod, stretched longitudinally along the chassis on the side on which Kutovoy on the chassis, together to rotate along the longitudinal axis relative to the chassis: the transmission rods and the Central axis, respectively, are positioned so that when the body is tipped during the unloading, transfer rods engage the side of the tank, rejecting her for the formation of tilt up the lower part of the vessel from the bottom side of the frame. Typically, the perimeter frame includes two horizontally spaced longitudinal beams and two cross beams connecting the ends of the longitudinal beams, forming a rectangular frame. Corresponding ends of each longitudinal beam is rotatable connected to respective transverse beams so that each longitudinal beam can rotate around its longitudinal axis.The present invention can be better explained with the help of detailed description of the basic design.In Fig. 1 shows a side view of a trailer with a basic design with tilting device of the vehicle;
in Fig. 2 is a view of the rear end of the vehicle according to Fig. 1 with the container in the transport position;
in Fig. 3 is a view similar to Fig. 2, with the lifting cylinder and the mechanism is moved to show in more detail a cross-connection between protivopolojnih. 5 is a schematic cross-sectional capacity in the transport position;
in Fig. 6 is a view similar to Fig. 5, where the capacity is in the extreme position of overturning;
in Fig. 7 and 8 is a view similar to Fig. 5 and 6, a modified form of a support capacity.In Fig. 1 shows a road vehicle. This vehicle can be as small trailers, trucks or semi-trailers, railroad cars or heavy trucks, vehicles, similar to that used in the mines. While in the above description of the tipping system is mounted on the trailer, but this is not its only use.The following description is given with respect to the side of the tipping system; the present invention is also applicable to the rear end of the tipping system. Thus, references to a "party", "rollover", "end" and "back end" can also be interpreted as "end", "rear end", "side" and "one/the other side", respectively.The tipping system is adapted for vehicles intended for transport and unloading of numerous kinds of bulk materials such as sand, salt, mineral ores, agricultural, chemical and body.As shown in Fig. 1, the vehicle 8 is a multiwheel trailer having a pair of front wheels 10 and triple the design of the rear wheels 11; tug 12 connecting the trailer with the main machine or another trailer. On the chassis 14 of the vehicle mounted device to control the shape of the tank, comprising a transfer device formed on each side of the vehicle and many cross supports 16, as more clearly seen in Fig. 5. The upper edge of each longitudinal element 15 has the form of a transmission rod 17 of a circular cross-section.As can be seen from Fig. 1 and 3, the body for transportation includes the upper peripheral frame 18 of a rectangular shape having a horizontal longitudinal coamings or beams 20 and end transverse beams 21, which will be described in more detail below. The frame 18 is suspended from the open top of the container 22 semicircular cross-section with closed ends 23. The corresponding upper edge of the containers are connected by numerous bolts, beams, cross beams 20 and 21. The lower curved portion of the container 22 rests on contoured surfaces 13 of the supports 14, as seen in Fig. 5.The container is made of flexible matrilocal of high-density polyethylene. The thickness of the material also depends on the load to which it is exposed, but usually ranges between 18 and 25 mmMaterial tank 22 is flexible to such an extent to make it possible variations in the shape of the vessel during unloading of the contents, as noted earlier, however, the side walls and the base are inextensible under the influence of the load, which must withstand capacity. However, the material is sufficiently elastic so as not to Narekatsi or deform the local impact of heavy loads, which may occur during loading, transport or unloading of the heterogeneous nature such as rocks or weight in pieces.To change the cross section of the vessel 22, as can be seen in Fig. 5 and 6, the ends 23 of the container are made of a material having the required degree of extensibility and elasticity, to be subject to such changes, without bending or buckling of the ends of the tank. The ends 23 are usually made of rubber of appropriate quality.In this construction at intervals along the length of the container 22 on the side of the tank, which decreases for overturning is provided with ribs 26. These ribs rigid container and attached to the vessel wall, to limit unwanted sagging contours of flexible material wall during tipping and are devices for the application of increased force to the container in the direction of tipping. Ribs 26 are located at the capacity to interact with the rods 17, forming part of the longitudinal structure 15 during tipping, and turn around them, as described below.Beams 20 and transverse beams 21 individually rigid with each end of each beam has an axial sleeve 25 extending through the connecting beam 21, while the beam 20 can rotate around the longitudinal axis relative to the transverse beams. Each sleeve 25 has a lever, the levers 28 are connected to the bushings on the beam tilt of the body and the arms 29 on the sleeves of the beam, rising on the opposite side.Perimeter frame 18 is supported on the respective ends of the front and rear tilting mechanisms are of identical construction.The following description refers back tilting mechanism and the control device shown in Fig. 2, equally it applies to the front tilting mechanism and the support when the m lever 31, rigidly connected to the cross bar 21 in position 32 and a swivel connected at the point 33 of the chassis 14.The spacer 34 is rigidly connected with the lifting lever 31 and the transverse beam 21 on the respective ends, to increase the rigidity and strength of the structure formed by the cross bar 21, a lifting lever 21 and the spacer 34. Each tilting mechanism includes a hydraulic lifting cylinder 35 double acting, rotary connected to its lower end to the chassis 14 at position 36, while the piston rod 37 of the hydraulic cylinder 35 swivel connected at position 38 with the lever 43, rigidly connected to the sleeve 25 of the beam 20 on the rising side of the body.The above-described construction operates when the tilting body, pulling hydraulic cylinder 35. When the piston rod of the hydraulic cylinder 35 is extended, the lifting lever 32 is rotated relative to the chassis around the pivot points 33, carrying with it the cross-beam 21 and resporse. This will cause the beam 20 on the reverse side of the body to fall, and the beam is on the rising side of the body rises. Next will be described the process of overturning.Connected with tipping mechanician. This system contains the handle 42, a swivel connected at position 43 with suspension 44, mounted on the cross beam 21.The levers 28 and 29 are rigidly attached to the respective beams 20 and the pivot is connected with one end of the respective links 47 and 48, while the other ends of these hinges swivel connected to the arm 42 at positions 40 and 41, respectively. Elongated cantilever portion 49 of the arm 42 gears gear rod 17 on the reverse side of the vehicle when the body is tipped by pulling the hydraulic cylinder 35.Beam 20 extends along the length of the body on a tilting side supports spaced at intervals throughout the length of the retractable support elements 51, swivel attached to the beam 20 at the upper end and the lower end of the respective suspensions 52, rigidly attached to the chassis 14. The supporting elements 51 have a fixed minimum length, which is when the body is in transport position, and increases when the body moves when dumping. In the position of the minimum length of the support members 51 move of the load beam to the chassis.The above-described soybean the extension of the piston rod, acting on the tilting of the body relative to the chassis at pivot point 33. Force applied to the lever 45 is transmitted to the lever 29 and through the links 47 and 48 to the lever 28 and then to a beam on the reverse side of the body. It also provides a stiffening rib 54, fastened along its upper edge beam on the left side of the body and protruding inside the body to accept the load from the inner surface of the flexible container wall 22. The rib 54 will, therefore, rotate with the beam, thereby preventing the bowing of the flexible material capacity on the rising side during tipping of the body and actually rejecting this part of the vessel up, when the container is tipped.The process of overturning will now be described with reference to the tilting mechanism of Fig. 2, however, it should be understood that additional tipping element is the mechanism at the opposite end of the body will act at the same time.Hydraulic fluid from the corresponding pump via a corresponding control valve is supplied to the hydraulic cylinder 35 to retract the piston rod 37. This will cause the lifting arm 31 and the spacer 32 to rotate around the e of the vehicle and raise the beam rising on the opposite side of the vehicle. When the piston rod 37 of the hydraulic cylinder 35 continues to move the above motion will continue until such time as the beam is on the reverse side of the vehicle is lowered, and the beam is on the rising side of the vehicle rises, as shown in Fig. 4 and 6. forcing the contents of the body begin to be discharged through the gully on the tilting side of the vehicle. Unloading will begin at the same time, when the piston rod of the hydraulic cylinder 35 is fully extended, and the body reaches the fully tilted position, as shown in Fig. 4 and 6.At that time, as the loaded container 22 is in the transport position with the frame 18 in a horizontal position, the vessel wall will be located on the support 16 and gears gear rods 17 on each side of the chassis, as shown in Fig. 5. During tilting of the body weight of the contents of the body will be supported by a flexible wall of the body communicating with the transfer rod 17 on the reverse side of the vehicle, at that time, as it rises, releasing the transmission rod 17 on the rising side of the vehicle. When the lifting process continues, the beam on obroki the way the vessel wall 22 on the reverse side to be tilted or rotated around the transmission rod 17, when the contents of the tank also has a tendency to move toward the dumping side of the tank.The contact maintained between the transfer rod 17 and the container wall to be swung out of the way when dumping the side rises further, prevents sagging of the vessel wall on the reverse side in the trends of the tank's contents to move to this side of the tank. Moreover, during this movement of the beam on the rising side of the tank will rotate clockwise due to extension of the hydraulic cylinder 35 and cause the same rotational clockwise movement of the beam on the reverse side of the bucket through the links 47 and 48. This leads to bowing of the vessel wall 22 to the outside because of the rotation of the ribs 54 on the rising side of the tank, while the lever 28 on the reverse side of the tank is moving inside.These movements and the resulting voltage and changes the shape of the vessel wall continues when the hydraulic cylinder extends up until the container reaches its final position tilting, as shown in Fig. 4 and 6. Upon reaching this position the lower part 55 of the vessel wall between the p is inside the tank will roll over and slip off the straight inclined surface vessel, verrugas through the gully on the reverse side of the bucket.It is essential that when the container occupies the position shown in Fig. 4 and 6, the actual load on the hydraulic cylinder is reduced and the pressure is also reduced, which will lead to the tendency of rotation of the beam 20 on the rising side in the counterclockwise direction relative to the cross beam 21. This movement will loosen the tension in the material capacity and can create slack in the vessel wall on a tilting side between the beam and the drive rod 17. To avoid this, and to avoid delay of the material in the trough capacity elongated cantilever portion 49 of the lever 42, as shown in Fig. 4, gears transmission rod 17, when the container is tipped, thereby preventing counterclockwise rotation of the beams and providing the necessary support part of the capacitance between the beam and the drive rod 17 on the reverse side, keeping the wall in the tilted down position, as seen in Fig. 6.In Fig. 7 and 8 shows a schematic modification of the transfer device formed by the transfer rod to the tilting of the transport direct down the shape of the lower part of the vessel and to ensure the free passage of the contents of down-and-out capacity.In this modified construction, the many two shoulders arms 58 mounted on a transmission rod 17 with the possibility of rotation around the longitudinal axis of the transfer rod 17. The levers 58 are evenly distributed along the longitudinal length of the transfer rod and symmetric with respect to the transmission rod so that the levers are in General equal direction to either side.The levers are interconnected at each of their free ends by means of respective secondary parallel rods 59, which is rigidly attached to the levers 58 and act on the full longitudinal length of the vessel 22.When the container is in the transport position, as shown in Fig. 7, the levers 58 and secondary parallel rods 59 do not provide mainly significant support vessel 22, such support is provided mainly by the support beams 16 and 20. When the container is tipped in the unloading position, as shown in Fig. 8, the vessel wall on a tilting side comes into close contact with the secondary parallel rods 59 and levers 58 which rotate on the transmission rod 17 as continues overturning capacity. As can be seen in Fig. 8, nijmi rods 59 and levers 58, thereby discharging the material from the container and preventing the formation of slack when such material may be delayed and not effectively discharged.In Fig. 5-8 fashionable clear to see that the establishment of the lower side of the tank right in the tilted up position when unloading is achieved mainly due to the deformation of the cross section of the vessel through the transmission rod 17 and is further supported by the force of rotation of the beam 20 on the bottom side of the frame, and the rotation of the beam on the upper side of the perimeter frame together with the ribs 51, attached to it. This rotation is particularly evident when comparing the provisions of the relevant beams with respect to the line 57 in Fig. 5-8, representing the top edge of the tank. Further, with respect to a modified form of the gear rod, as described in accordance with Fig. 7 and 8, where such construction is used, the presence of ribs 26 can be avoided. 1. A vehicle with a tilting body, containing mounted on the landing gear wheels mounted on the last body, made from the top of the perimeter frame and an open top container with a semicircular cross salvage the situation and when tipping and tilting mechanisms, mounted between the chassis and the body, serving to move the body from the transport position to the unload position, wherein the container is formed is suspended from the perimeter upper frame parallel to the longitudinal edges of the panel of flexible material, these support devices are connected to peripheral frame of the body, while the vehicle is equipped with interacting with the capacity of devices to control the shape of the tank during unloading, providing the unloading of the goods under the action of gravity through the bottom when the rollover side of the frame.2. The method according to p. 1, characterized in that the device for controlling the shape of the tank mounted on the chassis for deviations up the side of the tank, along the bottom side of the frame body when tilting it.3. Means under item 2, wherein the perimeter frame is made rectangular in plan and is formed by two horizontal longitudinal beams connected by cross beams can be rotated longitudinal beams from tipping mechanisms affecting the angular movement of the longitudinal beams in the direction of deviation of the corresponding lateral part e for capacity control includes transmission devices, mounted on the chassis along the vessel and the height is in the middle part and the deflecting up the side of the tank in the area from the bottom when dumping the body side of the frame to contact the vessel with gear devices.5. Means on p. 4, characterized in that the transfer device is made in the form of two parallel rods rigidly interconnected, mounted for joint rotation about the longitudinal axis to reject up to the specified side of the tank and along the chassis on the side to which overturns the body.6. Means under item 1, characterized in that the support device is mounted on the chassis on opposite sides of the body and connected with the last frame for hanging between two supporting devices, each tilting mechanism is a hydraulic cylinder mounted between the respective supporting device and adjacent to the last end of the frame body and connected to rotate with the corresponding end of the frame body, and devices to control the shape of the tank mounted on the chassis for deviations up the side of the tank in the area from the bottom in the s.7. Means on p. 6, characterized in that it is provided with devices for the application of increased force to the container in the direction of the tipping body.8. Tool for PP.1, 2, 4 to 6, characterized in that the frame body is made rectangular in plan and is formed by two horizontal longitudinal beams connected by cross beams can be rotated longitudinal beams around their axis.9. Means under item 8, characterized in that each support fixture is made with a lifting lever rigidly attached to the cross beam of the frame body and the lower end connected to rotate with the chassis, while the attachment of the cylinders tilting mechanisms is displaced in a horizontal plane relative to the mounting position of the lifting levers, and the attachment of the lifting levers and these cylinders at respective opposite ends of the frame body are located in the same vertical planes, respectively.10. Means under item 9, characterized in that the hydraulic cylinder of each tilting mechanism connected with the longitudinal beams of the frame body to ensure that they rotate around their axes in the direction of the deflection line is posobiya to control the shape of the tank include parallel lifting elements, located along the chassis and mounted to rotate around the longitudinal axis for engagement with the outer surface of the tank when tilting and deflection up the specified part of the vessel.
FIELD: transport engineering; large-capacity trailer trains.
SUBSTANCE: proposed trailer-train contains truck-tractor 1 with hydraulic system and semitrailer 3 with turnable body equipped with cleaning device. Support device 7 is made in form of four-link mechanism with first link in form of two brackets, two other links in form of two hydraulic cylinders, housing of one of said hydraulic cylinders is rigidly connected with corresponding bracket and housing of other cylinder is hinge connected with corresponding bracket. Fourth link of support device is formed by cross member forced into ground and hinge-connected with rods of hydraulic cylinders. Brackets of support device are secured on frame under turning axle. Cleaning device 8 for body is formed by hydraulic motor and eccentric and is secured on bottom of body along longitudinal axis at distance from front wall of body equal to 1/3 of its length. Input of hydraulic motor and inputs of hydraulic cylinders of support device communicate through hydraulic distributor with outputs of trailer-train hydraulic system.
EFFECT: improved stability of semitrailer at unloading.
3 cl, 6 dwg
FIELD: automotive industry; quarry dump trucks of higher load-carrying capacity.
SUBSTANCE: proposed dump truck has body 4 with bottom and sides with lips 5 made for dumping forward and backward, and chassis on which control cab is mounted. Control cab is arranged under body being made in form of two working places 9 and 10 arranged at opposite sides of chassis coinciding with direction of dumping and interconnected by tunnel. Both working places can be arranged under body bottom or under lip of one of body sides. Available is design version according to which one working places of cab is arranged under lip of right-hand side and second working place, under lip of left-hand side of truck body.
EFFECT: improved reliability, provision of economy.
4 cl, 5 dwg
FIELD: transport engineering.
SUBSTANCE: proposed self-dumping trailer has body 2 engaged with dumping hydraulic cylinder 3 with ball support installed stationary in support plate of bracket rigidly connected to crossmembers 8 of frame 1. Support plate consists of two bowls 5 installed with clearance relative to each other, between which ball support of hydraulic cylinder 3 is arranged. Each bowl of support plate is rigidly secured on one of components of structural members 7 of bracket belonging to one of crossmembers of chassis frame. Bowls of support plate are enclosed by lock made in form of resilient lock ring.
EFFECT: improved operation reliability.
FIELD: friction-grip releasable fastenings.
SUBSTANCE: device comprises housing (1) with cylindrical passages (9) that receive rods (8). The housing receives pin (2) with conical tip. Each of the rods is provided with locator (4), which is in a contact with the pin, rod guide (7), piston (3) with inner and outer collars, and baffle (6), is secured in the cylindrical passage of the housing. The spaces between the baffles and pistons are in communication with the actuator through oil ducts, cock, and hydraulic pump. The spaces downstream of the pistons are in communication with the atmosphere through the valves. The diameter of the tip is larger than that of the pin that enters the conical groove in the housing. The pickup of position of the pin is located at the top of the housing. The cylindrical passages receive the pickups of the stroke of the locators. The pickups are connected with the power source and signaling lamps of the pickups of the pin position and pickups of the piston stroke.
EFFECT: expanded functional capabilities.
1 cl, 2 dwg
FIELD: transport engineering.
SUBSTANCE: safety device for dump-truck body has hinge-mounted support rod 1 one end of which is made for engagement with catcher 2 made in form of stops 3 installed on frame 4. Lip is installed for turning on end of support rod 1 engaging with catcher 2, lip engaging with slots of guide plate 7 rigidly secured on frame 4. Slots are made on plate 7 opposite to sections of catcher which have no stops 8, namely, first slot 9, two guide slots 10, 11 and two shaped slots 12, 13 overlapped by flexible plates. In traveling position support rod is on plate 7 and lip, inside first slot 9. To fix platform in working position, support rod is brought in engagement with stop 3 of catcher 2, and lip is arranged in shaped slot 13. When lowering platform in traveling position, lip 6, moving in shaped slot 13, shifts support rod 1.
EFFECT: possibility of fixing platform in intermediate positions.
FIELD: transport engineering; quarry trucks.
SUBSTANCE: invention relates to dump trucks and it can be used for carrying heavily moisture-saturated rock mass sticking to bottom of dump truck body. Proposed dump truck has body with bottom tilted to truck cab, front wall and sides, and body lifting/lowering drive. Plate is hinge mounted over entire width of body on upper edge of body front wall which is arranged from inner side of body front wall with possibility of adjoining to front wall. Sections of round-link chains are secured on end of plate by upper ends, chain sections adjoin each other. Length of plate is taken equal to height of front wall of body. Length of round-link chains is equal to l=h[sin(β-α) + cos(β-α)tgα-1], where 1 is length of round-link chains, h is height of front wall of body, β is angle between front wall and bottom of body, α is angle of tilting of body bottom of horizon when unloading dump truck.
EFFECT: provision of complete unloading of dump truck body.
FIELD: transport; mechanics.
SUBSTANCE: safety device contains hinged support rod with one end capable of interacting with catcher made as stops installed on frame. Catcher is formed by two parallel serrated plates rigidly fixed at basements with plank sliding on guides between them. Ends of sliding plank have slots: figure slots and fixing slots in front of them. Side walls of figure slots are inclined to fixing slots and are parallel to each other. Inner horizontal surface of figure slots rests on rising rollers installed so that to be able to rotate on their axles rigidly fixed on said guides. Sliding plank has rigidly secured lugs with protruding parts directed towards each other. First lug is located opposite last tooth of serrated plate and second lug - in front of first tooth at distance not less than distance to point of its contact with central roller of support rod with pitch angle equal to 0°. Front part of serrated plate has platform at level of tooth depth. Rear part of serrated plate has platform at height not less than tooth upper point. Support rod is made as channel at free end of which axle is rigidly secured in orifices with three rotating rollers installed on it, side rollers interacting with serrated plates and central - with sliding plank.
EFFECT: increase of reliability, wear resistance, and simplification of design of safety device.
SUBSTANCE: invention relates to automotive industry. Proposed dump truck body bottom has lining 1 made from separate rectangular plates 3 arranged with a gap 2 to allow said plates to thrust against bead 4 secured to the bottom on its rear edge. Plates have bores 5 with their axes oriented normally to the plane of plates. Rods 6 are secured to bottom surface to move unobstructed in aforesaid bores and with clearance 7 equal to gaps between plates. Note here that the lengths of rod extension is taken to equal the lining plate thickness after admissible friction wear on the plate top edge before plates replacement. There is a hook made from round bar and welded to the plate center to allow load lifting device to grip the plate.
EFFECT: ease of mounting dismantling of lining plates, reduced operating costs and consumption of materials.
SUBSTANCE: device of mining or construction machine includes wear protection construction intended to include the part worn and torn with abrasive material during loading and unloading. The above wear protection construction has cavities in the form of grooves, with projection projecting at an angle to common direction of movement of abrasive material along protection construction against wear during loading and unloading process. Wear protection construction is installed on the part of machine so that abrasive material passes through it during loading and unloading process. Grooves extend to outer surface of wear protection construction.
EFFECT: reducing weight and improving wear resistance.
9 cl, 4 dwg
SUBSTANCE: invention relates to transportation, namely, to containers for bulk and packed loads. Proposed container consists of two sidewalls 2, bottom 3 and appliances for lateral transfer of sidewalls 2 relative to bottom 3. Said appliances serve to transfer bottom edges of sidewalls 2 for transformation of, in fact, rectangular container into, in fact, U-shaped container, and visa versa.
EFFECT: expanded applications.
11 cl, 3 dwg