CN216002378U - Folding tarpaulin system of dumper - Google Patents

Abstract

The utility model relates to a folding tarpaulin system of tipper, it relates to the tipper field, and it includes carriage and tarpaulin, still includes the fixed bolster and pulls the support, the tarpaulin sets up the fixed bolster and pulls between the support, the fixed bolster is fixed to be set up on the carriage and is close to one side of locomotive, it slides and connects the one side that sets up on the carriage and keep away from the locomotive to pull the support, be equipped with on the lateral wall in carriage and be used for the drive to pull the drive assembly that the support slided on the carriage, the tarpaulin is connected respectively on the fixed bolster and pulls the support through the installation component. This application has and improves manual expansion and draws in the inconvenient effect of tarpaulin in.

Description

Folding tarpaulin system of dumper

Technical Field

The application relates to the field of dumper trucks, in particular to a folding tarpaulin system of a dumper.

Background

The dump truck refers to a vehicle which unloads cargos by self through hydraulic or mechanical lifting. Also known as dump trucks. The hydraulic lifting device consists of an automobile chassis, a hydraulic lifting mechanism, a cargo compartment, a power take-off device and the like.

At present, after the dumper loads the goods, in order to prevent the goods from scattering in the transportation process or prevent the goods from being wetted by rain, tarpaulin is paved on the goods. In the related art, the tarpaulin is manually laid on the vehicle body by a person, and then fastened and fixed to the vehicle body by using a rope.

In view of the above-mentioned related art, the inventor believes that there is a drawback that it takes time and labor for a person to manually unfold and fold the tarpaulin.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that personnel's manual expansion draws in tarpaulin consuming time hard in, this application provides a folding tarpaulin system of tipper.

The application provides a folding tarpaulin system of tipper adopts following technical scheme:

the utility model provides a folding tarpaulin system of tipper, includes carriage and tarpaulin, still includes the fixed bolster and pulls the support, the tarpaulin sets up the fixed bolster and pulls between the support, the fixed bolster is fixed to be set up on the carriage and is close to one side of locomotive, it slides and connects the one side of setting on the carriage and keeping away from the locomotive to pull the support, be equipped with on the lateral wall in carriage and be used for the drive to pull the drive assembly that the support slided on the carriage, the tarpaulin passes through the installation component and connects respectively on the fixed bolster and pull the support.

By adopting the technical scheme, the tarpaulin is respectively fixed on the fixed support and the traction support by utilizing the mounting assembly, so that the installation of the tarpaulin is realized; the traction bracket is driven by the driving assembly to slide on the carriage, so that the tarpaulin can be automatically unfolded and folded along with the sliding of the traction bracket, the tarpaulin can be manually unfolded or folded by a person instead, and time and labor are saved.

Optionally, the driving assembly comprises two chain wheels, one of the chain wheels is rotatably connected to a side wall, close to the car head, of the carriage, the other chain wheel is rotatably connected to a side wall, close to the car tail, of the carriage, the two chain wheels are in chain transmission, the two chain wheels and the chain form a transmission set, the two side walls of the carriage are respectively provided with the transmission set, the traction support is connected with the chain, the two chain wheels are close to the car head and are connected through a transmission shaft, the transmission shaft is coaxially connected with a first transmission wheel, a speed reduction motor is arranged on the side wall of the car, an output shaft of the speed reduction motor is connected with a second transmission wheel, and the first transmission wheel and the second transmission wheel are in transmission through the transmission shaft.

Through adopting above-mentioned technical scheme, start gear motor, gear motor drive second drive wheel rotates, and the second drive wheel passes through the driving chain and drives first drive wheel rotation, and the transmission shaft is along with first drive wheel synchronous rotation simultaneously, and then along with the rotation of transmission shaft, drives two sprocket synchronous rotations through the chain, owing to pull support fixed connection on the chain to along with the transmission of chain, pull the support and slide on the carriage, be convenient for pull the support pulling tarpaulin and expand or draw in.

Optionally, pull the support and pass through coupling assembling and fix on the chain, coupling assembling includes fixed plate and grip block, the fixed plate with pull support fixed connection, the fixed plate is located the one side that the carriage was kept away from to the chain, the grip block sets up the one side that is close to the carriage at the chain, pass through bolt fixed connection between grip block and the fixed plate.

By adopting the technical scheme, the traction bracket is fixedly connected to the chain through the matching of the bolt, the clamping plate and the fixing plate, and then the traction bracket is driven to slide on the carriage along with the transmission of the chain; and above-mentioned connected mode, simple structure makes things convenient for personnel to will pull support fixed connection on the chain fast.

Optionally, a plurality of supporting brackets are arranged between the traction bracket and the fixed bracket, sliding rails are arranged on two side walls of the carriage, the traction bracket and the supporting brackets are connected to the sliding rails in a sliding mode, and the tarpaulin is fixed to the traction bracket, the fixed bracket and the supporting brackets through the mounting assembly.

Through adopting above-mentioned technical scheme, the setting of slide rail plays the guide effect to pulling sliding of support and a plurality of support holder. The tarpaulin between the traction bracket and the fixed bracket is supported by the plurality of supporting brackets, so that the damage of the tarpaulin caused by the fact that the tarpaulin is clamped between the slide rail and the traction bracket due to too far distance between the fixed bracket and the traction bracket when the tarpaulin is stretched or folded is avoided to the greatest extent; and the supporting bracket plays a good supporting role for the tarpaulin, thereby being beneficial to prolonging the service life of the tarpaulin. Utilize the installation component to fix the tarpaulin on drawing support, fixed bolster and a plurality of support holder, make things convenient for the dismouting of tarpaulin.

Optionally, the installation component includes installation piece, two connecting blocks and two extrusion pieces, the installation piece is fixed to be set up on the tarpaulin towards the inside lateral wall in carriage, all be equipped with the extrusion piece on the both sides wall that the installation piece is close to the tarpaulin, be equipped with the cavity in the installation piece, the lateral wall of installation piece is equipped with the extrusion mouth that supplies the extrusion piece to insert the cavity, two the extrusion piece all inserts in the cavity and is equipped with the driving plate, two be equipped with the spring between the relative lateral wall of driving plate, two the one end that the extrusion piece was kept away from to the driving plate all is equipped with the connecting block, is equipped with the connector that supplies the connecting block to pass on the lateral wall of cavity, the lateral wall of pulling support, fixed bolster and a plurality of support braces all is equipped with and supplies installation piece male mounting groove, the cell wall of mounting groove is equipped with and supplies connecting block male spread groove.

By adopting the technical scheme, when the tarpaulin is installed, firstly, a person manually presses the extrusion block to enable the extrusion block to extend into the cavity, and as the connecting block and the extrusion block are connected to one side of the transmission plate together, the connecting block and the extrusion block move synchronously, and at the moment, the connecting block also extends into the cavity so that the person can insert the installation block into the installation groove; be connected with the spring on the relative lateral wall of two sets of driving plates, after loosening the pressing to the extrusion piece, under the elastic force of spring, two driving plates keep away from each other, just can pass the connector with the connecting block and insert in the spread groove to fix the installation piece in the mounting groove, finally realized the tarpaulin and drawn the fixed connection between support, fixed bolster and a plurality of support.

Optionally, one side of the traction support far away from the carriage is rotated to form a turnover support, the turnover support is connected to the carriage in a sliding mode, one side of the tarpaulin far away from the fixed support is detachably connected to the turnover support through an installation assembly, and an automatic turnover assembly used for driving the tarpaulin to cover the tail of the vehicle is arranged on the turnover support.

Through adopting above-mentioned technical scheme, utilize automatic upset subassembly drive upset support to rotate to automatically, drive the tarpaulin and cover the rear of a vehicle, be favorable to the tarpaulin to cover the carriage afterbody completely, increased the area that covers of tarpaulin.

Optionally, the upset subassembly includes back upset pole, upset piece and extension spring, back upset pole and upset support fixed connection, back upset pole rotates to be connected and sets up on the lateral wall that the carriage was kept away from at the fixed plate, upset piece fixed connection just is located the tail end that the locomotive was kept away from to the slide rail on carriage and sliding connection's lateral wall, be equipped with on the back upset pole be used for with upset piece complex upset groove, it is equipped with the extension spring on the lateral wall that the support is drawn to draw the support to be close to, extension spring one end links to each other with the lateral wall that the support is drawn to the support to be close to the upset support, the other end of extension spring links to each other with the lateral wall that the support is drawn to the support to the upset support.

By adopting the technical scheme, when the turnover support and the rear turnover rod move to be close to the tail of the vehicle, the turnover groove in the rear turnover rod is matched with the turnover block, the rear turnover rod has a tendency of moving towards the tail of the vehicle under the action of the chain, the turnover groove and the turnover block relatively rotate under the backward movement tendency of the rear turnover rod, and the tarpaulin is turned over under the action of the turnover support so as to cover the carriage; when needs draw the tarpaulin in, the upset support removes to the direction of locomotive along with drawing the support, and the upset groove on the back upset pole breaks away from with the upset piece this moment, and under the effect of extension spring, the upset support resumes vertically, has realized the automatic upset of upset support, and then has realized the automatic cover to the carriage afterbody, has increased the area that covers of tarpaulin to the carriage, covers effectually, has improved the manual tarpaulin of expansion consuming time hard problem of personnel.

Optionally, a storage plate is arranged on the side wall, close to the vehicle head, of the carriage, a front visor is arranged on the side wall, far away from the carriage, of the storage plate, and a storage space for storing tarpaulin is formed by enclosing the storage plate, the front visor and the side wall of the carriage.

By adopting the technical scheme, the front cap peak and the storage plate are utilized to play a role in keeping off rain and shading sun for the folded tarpaulin, so that the service life of the tarpaulin is prolonged; utilize the board of accomodating to block the air resistance when the tipper gos forward, prevent under the effect of air resistance that the tarpaulin is blown, warp, lead to the tarpaulin to break, and then make the life of tarpaulin shorten.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the traction bracket is driven by chain transmission to slide on the carriage, so that the tarpaulin is automatically unfolded and folded, and the tarpaulin is folded and unfolded manually instead of manually, so that the tarpaulin folding and unfolding machine is time-saving, labor-saving, convenient and practical;

2. the tarpaulin utilizes installation component and fixed bolster, traction bracket and support leg joint, and the personnel of being convenient for dismouting tarpaulin.

Drawings

Fig. 1 is a schematic overall structural diagram of a folding tarpaulin system of a dump truck in the embodiment of the application.

Fig. 2 is a schematic diagram for embodying a driving assembly.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is an enlarged view at B in fig. 1.

Fig. 5 is a schematic structural view of a connection relationship between the tarpaulin and the support bracket in the embodiment of the present application.

Fig. 6 is a schematic sectional view of the plane a-a in fig. 5.

Fig. 7 is an enlarged view at C in fig. 6.

Description of reference numerals: 1. a carriage; 2. tarpaulin; 3. fixing a bracket; 4. a traction support; 5. turning over the bracket; 6. mounting the component; 61. mounting blocks; 62. extruding the block; 63. an extrusion port; 64. connecting blocks; 65. a connecting port; 66. a drive plate; 67. a spring; 7. a drive assembly; 71. a sprocket; 72. a first drive pulley; 73. a second transmission wheel; 74. a reduction motor; 75. a chain; 76. a drive chain; 8. a fixing plate; 9. a clamping plate; 10. a rear roll-over lever; 11. turning over the block; 12. a turnover groove; 13. a tension spring; 14. connecting grooves; 15. mounting grooves; 16. a slide rail; 17. a front brim; 18. a storage plate; 19. and a support.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses folding tarpaulin system of tipper.

Referring to fig. 1, the folding tarpaulin system of the dump truck comprises a carriage 1 and tarpaulin 2, the folding tarpaulin system of the dump truck further comprises a fixed support 3 and a traction support 4, the fixed support 3 is fixedly connected to one side, close to a truck head, of the carriage 1, the traction support 4 is connected to one side, close to the truck tail, of the carriage 1 in a sliding manner, the fixed support 3 and the traction support 4 are in a door shape, two vertical end side walls of the fixed support 3 and the traction support 4 respectively extend to two sides of the carriage 1 and slide relative to the carriage 1, one end of the tarpaulin 2 is connected with the fixed support 3 through a mounting assembly 6, the other end of the tarpaulin 2 is connected with the traction support 4 through a mounting assembly 6, the tarpaulin 2 is fixed between the fixed support 3 and the traction support 4, and a driving assembly 7 for driving the traction support 4 to move along the length direction of the carriage 1 is arranged on the side wall of the carriage 1.

The tarpaulin 2 is fixedly connected to the fixed support 3 and the traction support 4 through the mounting assembly 6 respectively, so that the tarpaulin 2 is disassembled and assembled; utilize drive assembly 7 drive to pull support 4 and slide in the length direction of carriage 1, and then drive tarpaulin 2 and realized automatic expansion and draw in, replaced artifical manual expansion and draw in tarpaulin 2, labour saving and time saving.

Referring to fig. 2 and 3, the driving assembly 7 includes two sets of transmission sets, the two sets of transmission sets respectively correspond to two opposite side walls of the compartment 1 one by one, each transmission set includes two chain wheels 71 rotatably connected to the side walls of the compartment 1, the two chain wheels 71 are oppositely arranged along the traction direction of the tarpaulin 2, and the two chain wheels 71 are driven by a chain 75. Two chain wheels 71 close to the car head are connected through a transmission shaft, a first transmission wheel 72 is coaxially connected with the transmission shaft, a speed reducing motor 74 is fixedly arranged on the side wall of the car 1 close to the car head, an output shaft of the speed reducing motor 74 is coaxially connected with a second transmission wheel 73, the first transmission wheel 72 and the second transmission wheel 73 are transmitted through a transmission chain 76, and the vertical end side wall of the traction support 4 is fixed on a chain 75 through a connecting assembly.

The connecting assembly comprises a fixing plate 8 and a clamping plate 9, the fixing plate 8 is arranged on one side, far away from the carriage 1, of the chain 75, the traction support 4 is fixedly connected with the fixing plate 8, the clamping plate 9 is arranged on one side, close to the carriage 1, of the chain 75, the clamping plate 9 is fixedly connected with the fixing plate 8 through bolts, and the chain 75 is clamped between the clamping plate 9 and the fixing plate 8 through the clamping plate 9 and the fixing plate 8.

Utilize utilizing the bolt with fixed connection between fixed plate 8 and the grip block 9 for pull support 4 fixed connection on chain 75, neither influence the transmission of chain 75 through the cooperation between fixed plate 8 and the grip block 9, still conveniently with fixed plate 8 and grip block 9 separation and installation, realized pulling the dismantled connection between support 4 and the chain 75.

The speed reducing motor 74 is started, the speed reducing motor 74 drives the first transmission wheel 72 to rotate, the second transmission wheel 73 synchronously rotates through the transmission chain 76, the transmission shaft drives the chain wheels 71 on the two side walls of the carriage 1 close to the vehicle head to synchronously rotate, the two chain wheels 71 drive the chain 75 to move, and at the moment, the traction support 4 enables the traction support 4 to slide along the length direction of the carriage 1 along with the transmission of the chain 75.

Referring to fig. 1, the two side walls of the carriage 1 are provided with slide rails 16, the slide rails 16 are arranged along the length direction of the carriage 1, the traction support 4 is connected to the slide rails 16 in a sliding manner, and the slide rails 16 play a role in guiding the sliding of the traction support 4.

Referring to fig. 2 and 3, one side of the traction support 4 far away from the carriage 1 is rotatably connected with a turning support 5, the turning support 5 is connected to the side wall of the carriage 1 along with the sliding of the traction support 4, the tarpaulin 2 is fixedly connected with the turning support 5 through a mounting assembly 6, and the turning support 5 is turned over through an automatic turning assembly, so that the tarpaulin 2 covers the tail part of the carriage 1.

Automatic upset subassembly includes back upset pole 10 and upset piece 11, and back upset pole 10 fixed connection is on upset support 5, and upset support 5 slides along with drawing support 4 to slide on carriage 1, just is located rear of a vehicle end fixedly connected with upset piece 11 on the lateral wall that carriage 1 and slide rail 16 are connected, offers on the pole 10 of back upset with upset piece 11 matched with upset groove 12.

Referring to fig. 2, 3 and 4, a tension spring 13 is arranged on the opposite side wall of the overturning bracket 5 and the traction bracket 4, one end of the tension spring 13 is connected with the side wall of the overturning bracket 5 close to the traction bracket 4, and the other end of the tension spring 13 is connected with the side wall of the traction bracket 4 close to the overturning bracket 5.

When the tarpaulin 2 is unfolded, the traction bracket 4 drives the overturning bracket 5 and the tarpaulin 2 to move towards the tail of the vehicle, when the overturning groove 12 is in contact fit with the overturning block 11, the overturning bracket 5 inclines towards the tail of the vehicle under the trend of moving towards the tail of the vehicle, and the tarpaulin 2 covers the carriage 1 completely with the tarpaulin 2 along with the inclination of the overturning bracket 5, so that the tarpaulin 2 at the tail end of the carriage 1 is covered, and dead corners which are not covered by the tarpaulin 2 on the carriage 1 are avoided as much as possible; when the tarpaulin 2 is furled, the overturning bracket 5 and the traction bracket 4 synchronously move towards the direction of the vehicle head under the action of the chain 75, the overturning bracket 5 returns to the vertical state under the action of the tension spring 13, and the tarpaulin 2 is folded and furled under the traction of the chain 75, so that the automatic spreading and automatic furling of the tarpaulin 2 are realized, and the problem that the tarpaulin 2 is time-consuming and labor-consuming when being manually unfolded and furled is solved.

Referring to fig. 1, 5 and 6, a plurality of support brackets 19 are arranged between the traction bracket 4 and the fixed bracket 3, the support brackets 19 and the traction bracket 4 have the same shape and size, and in the embodiment, the support brackets 19 are connected on the slide rails 16 in a sliding manner.

The supporting bracket 19 can support the tarpaulin 2 between the traction bracket 4 and the fixing bracket 3, which is beneficial to avoiding the problem that the tarpaulin 2 is damaged because the tarpaulin 2 is rolled between the slide rail 16 and the traction bracket 4 in the furling process, and is beneficial to prolonging the service life of the tarpaulin 2.

Referring to fig. 1 and 7, installation component 6 is including installation piece 61, two connecting blocks 64 and two extrusion blocks 62, a plurality of installation pieces 61 of fixedly connected with on the inside lateral wall of tarpaulin 2 towards carriage 1, a plurality of installation pieces 61 all slide on being close to tarpaulin 2's the both sides wall and connect and be provided with extrusion block 62 and connecting block 64, be equipped with the cavity in the installation piece 61, all set up the extrusion mouth 63 that supplies extrusion block 62 to wear out on the both sides wall that installation piece 61 is close to tarpaulin 2, the one end of two extrusion blocks 62 stretches into in the cavity and is equipped with driving plate 66, be provided with spring 67 between the relative lateral wall that sets up of two driving plate 66, the one end fixedly connected with connecting block 64 that extrusion block 62 was kept away from to two driving plate 66, all set up the connector 65 that supplies connecting block 64 to wear out on the both sides wall of installation piece 61.

Referring to fig. 1 and 7, the side walls of the traction bracket 4, the overturning bracket 5, the fixing bracket 3 and the plurality of support brackets 19 are all provided with mounting grooves 15 matched with the mounting block 61, and the mounting grooves 15 are internally provided with connecting grooves 14 matched with the connecting blocks 64.

When the tarpaulin 2 is disassembled, a person manually pinches the two squeezing blocks 62, the connecting block 64 and the squeezing blocks 62 synchronously move under the action of the transmission plate 66, when the connecting block 64 moves to a position where the connecting block does not extend out of the side wall of the mounting block 61 any more, the connecting block 64 is separated from the connecting groove 14, and at the moment, the mounting block 61 can be pulled out of the mounting groove 15 by the person, so that the tarpaulin 2 is disassembled; when installation tarpaulin 2, two extrusion blocks 62 are held between the fingers to personnel's manual, connecting block 64 and extrusion block 62 simultaneous movement under the effect of driving plate 66, when connecting block 64 removes and no longer stretches out installation piece 61 lateral wall, insert connecting block 64 in the spread groove 14, then, personnel loosen pressing to extrusion block 62, driving plate 66 drives connecting block 64 and stretches out from connector 65 under spring 67 elastic force effect, make connecting block 64 and spread groove 14 grafting cooperation connect, the installation to tarpaulin 2 has been realized.

Referring to fig. 2, a containing plate 18 is fixedly welded on the side wall of the opening of the carriage 1 close to the head, a front visor 17 is welded on the side wall of the containing plate 18 far away from the carriage 1, and a containing space for containing the tarpaulin 2 is formed by enclosing the containing plate 18, the front visor 17 and the side wall of the carriage 1.

When the tarpaulin 2 is folded at one side of the carriage 1 close to the vehicle head, the front brim 17 can play a role of rain shielding and light shielding for the tarpaulin 2, so that the influence of illumination and rainwater on the tarpaulin 2 is reduced as much as possible, and the service life of the tarpaulin 2 is prolonged; when the tarpaulin 2 is unfolded and the vehicle advances, the storage plate 18 can reduce the acting force of the air resistance of the dump truck on the tarpaulin 2 in the advancing process, and the tarpaulin 2 is prevented from being blown up to the greatest extent to cause the tarpaulin 2 to break, so that the service life of the tarpaulin 2 is shortened.

The implementation principle of the folding tarpaulin 2 system of the dump truck in the embodiment of the application is as follows: when installing tarpaulin 2, personnel are manual extrudees two extrusion pieces 62 in to installation piece 61, and connecting block 64 is together to connecting block 64 internal motion under the effect of driving plate 66 this moment, then personnel insert the mounting groove 15 with connecting block 64 in, unclamp extrusion piece 62, and driving plate 66 drives connecting block 64 under the spring 67 elasticity effect and stretches out from the lateral wall of installation piece 61 this moment for connecting block 64 and spread groove 14 cooperate, have realized the dismouting to tarpaulin 2.

When the tarpaulin 2 needs to be unfolded, the speed reduction motor 74 is started to drive the second transmission wheel 73 to rotate, the second transmission wheel 73 drives the first transmission wheel 72 to rotate through the transmission chain 76, the first transmission wheel 72 drives the transmission shaft to rotate, the transmission shaft drives the chain wheels 71 on two sides of the carriage 1 to rotate, at the moment, the chain 75 drives the fixing plate 8 and the clamping plate 9 fixed on the chain 75 to move towards the direction of the rear of the carriage, the traction support 4 drives the overturning support 5 to move towards the rear of the carriage along with the fixing plate 8, when the overturning support 5 moves until the overturning block 11 contacts with the overturning groove 12, the chain 75 continues to drive the overturning support 5 to move towards the rear of the carriage, at the moment, the rear overturning rod 10 drives the overturning support 5 to rotate, the tarpaulin 2 covers the tail of the carriage 1, and the automatic unfolding of the tarpaulin 2 and the complete covering of the carriage 1 are realized.

When the tarpaulin 2 needs to be folded, the speed reduction motor 74 is started to drive the second transmission wheel 73 to rotate, the second transmission wheel 73 drives the first transmission wheel 72 to rotate through the transmission chain 76, the first transmission wheel 72 drives the transmission shaft to rotate, the transmission shaft drives the chain wheels 71 on two sides of the carriage 1 to rotate, at the moment, the chain 75 drives the fixing plate 8 and the clamping plate 9 fixed on the chain 75 to move towards the tail of the vehicle, the traction support 4 drives the overturning support 5 to move towards the tail of the vehicle along with the fixing plate 8, when the overturning support 5 moves to the overturning block 11 and the overturning groove 12 to be separated, the overturning support 5 returns to be vertical under the action of the tension spring 13, at the moment, the chain 75 continues to drive the traction support 4 to move towards the head of the vehicle, and the tarpaulin 2 is stored under the front brim 17.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a folding tarpaulin system of tipper, includes carriage (1) and tarpaulin (2), its characterized in that: still include fixed bolster (3) and pull support (4), tarpaulin (2) set up between fixed bolster (3) and pull support (4), fixed bolster (3) are fixed to be set up on carriage (1) and are close to one side of locomotive, it slides and connects the one side that sets up on carriage (1) and keep away from the locomotive to pull support (4), be equipped with on the lateral wall of carriage (1) and be used for the drive to pull drive assembly (7) that support (4) slided on carriage (1), tarpaulin (2) are connected respectively on fixed bolster (3) and pull support (4) through installation component (6).

2. The folding tarpaulin system for dump truck according to claim 1, wherein: the driving assembly (7) comprises two chain wheels (71), one chain wheel (71) is rotatably connected to the side wall, close to the head, of the carriage (1), the other chain wheel (71) is rotatably connected to the side wall, close to the tail, of the carriage (1), the two chain wheels (71) are driven by a chain (75), the two chain wheels (71) and the chain (75) form a driving group, two side walls of the carriage (1) are provided with transmission sets, the traction bracket (4) is connected with a chain (75), two chain wheels (71) close to the head of the vehicle are connected through a transmission shaft, a first transmission wheel (72) is coaxially connected to the transmission shaft, a speed reducing motor (74) is arranged on the side wall of the carriage (1), the output shaft of the speed reducing motor (74) is connected with a second transmission wheel (73), the first transmission wheel (72) and the second transmission wheel (73) are transmitted through a transmission chain (76).

3. The folding tarpaulin system for dump truck according to claim 2, wherein: traction bracket (4) are fixed on chain (75) through coupling assembling, coupling assembling includes fixed plate (8) and grip block (9), fixed plate (8) with traction bracket (4) fixed connection, fixed plate (8) are located one side that carriage (1) was kept away from in chain (75), grip block (9) set up the one side that is close to carriage (1) in chain (75), pass through bolt fixed connection between grip block (9) and fixed plate (8).

4. The folding tarpaulin system for dump truck according to claim 1, wherein: draw and be equipped with a plurality of support brackets (19) between support (4) and fixed bolster (3), the both sides wall of carriage (1) all is equipped with slide rail (16), draw support (4) and a plurality of support bracket (19) and all slide and connect on slide rail (16), tarpaulin (2) are fixed respectively on drawing support (4), fixed bolster (3) and a plurality of support bracket (19) through installation component (6).

5. The folding tarpaulin system for dump truck according to claim 4, wherein: the mounting assembly (6) comprises a mounting block (61), two connecting blocks (64) and two extrusion blocks (62), the mounting block (61) is fixedly arranged on the side wall of the tarpaulin (2) facing the inside of the carriage (1), the extrusion blocks (62) are arranged on two opposite side walls of the mounting block (61) close to the tarpaulin (2), a cavity is arranged in the mounting block (61), the side wall of the mounting block (61) is provided with extrusion ports (63) for the extrusion blocks (62) to be inserted into the cavity, the two extrusion blocks (62) are both inserted into the cavity and are provided with transmission plates (66), a spring (67) is arranged between the opposite side walls of the two transmission plates (66), one ends of the two transmission plates (66) far away from the extrusion blocks (62) are both provided with the connecting blocks (64), and the side walls of the cavity are provided with connecting ports (65) for the connecting blocks (64) to pass through, the side walls of the traction support (4), the fixed support (3) and the support supports (19) are provided with mounting grooves (15) for inserting the mounting blocks (61), and the groove walls of the mounting grooves (15) are provided with connecting grooves (14) for inserting the connecting blocks (64).

6. The folding tarpaulin system for dump truck according to claim 1, wherein: one side of the traction support (4) far away from the carriage (1) is rotated to form a turnover support (5), the turnover support (5) is connected to the carriage (1) in a sliding mode, one side of the tarpaulin (2) far away from the fixed support (3) is detachably connected to the turnover support (5) through an installation assembly (6), and an automatic turnover assembly used for driving the tarpaulin (2) to cover the rear of the vehicle is arranged on the turnover support (5).

7. The folding tarpaulin system for dump truck according to claim 6, wherein: the upset subassembly is including back upset pole (10), upset piece (11) and extension spring (13), back upset pole (10) and upset support (5) fixed connection, back upset pole (10) rotate to be connected and set up on the lateral wall of keeping away from carriage (1) at fixed plate (8), upset piece (11) fixed connection is in one side that carriage (1) is close to the rear of a vehicle, be equipped with on back upset pole (10) and be used for with upset piece (11) complex upset groove (12), the one end of extension spring (13) links to each other with traction support (4), the other end of extension spring (13) links to each other with upset support (5).

8. The folding tarpaulin system for dump truck according to claim 1, wherein: the novel multifunctional bus is characterized in that a containing plate (18) is arranged on the side wall, close to the bus head, of the carriage (1), a front visor (17) is arranged on the side wall, far away from the carriage (1), of the containing plate (18), and a containing space for containing tarpaulin (2) is formed by enclosing among the containing plate (18), the front visor (17) and the side wall of the carriage (1).

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