CN214564916U

CN214564916U - Trailer tarpaulin fixing device

Info

Publication number: CN214564916U
Application number: CN202120669560.1U
Authority: CN
Inventors: 张彦兵; 张恒; 张永占; 张彦功; 张天
Original assignee: Shijiazhuang Hongda Special Purpose Vehicle Manufacturing Co ltd
Current assignee: Shijiazhuang Hongda Special Purpose Vehicle Manufacturing Co ltd
Priority date: 2021-04-01
Filing date: 2021-04-01
Publication date: 2021-11-02
Anticipated expiration: 2031-04-01

Abstract

The utility model relates to a trailer tarpaulin technical field especially relates to a trailer tarpaulin fixing device. Comprises a car hopper, a transmission device arranged on the car hopper and a sliding device arranged on one side of the transmission device and positioned on the car hopper; the transmission device comprises a motor, a gear box and a roll shaft; the motor and the gear box are arranged on the hopper; the shaft end of the motor is connected with the shaft end of the gear box through a coupling; the roll shaft penetrates through the gear box, and two ends of the roll shaft respectively penetrate through two sides of the car hopper and then are connected with the car hopper bearing; the transmission device is adopted to drive the whole sliding device to move, so that the equipment can be ensured to automatically cover the tarpaulin; the two supporting rods can rotate, and the auxiliary rod is used for assisting the supporting rods to use, so that the height of the equipment can be adjusted; the linkage device ensures that the transmission device moves to drive the whole sliding device to move along with the transmission device.

Description

Trailer tarpaulin fixing device

Technical Field

The utility model relates to a trailer tarpaulin technical field especially relates to a trailer tarpaulin fixing device.

Background

The upper part of the carriage of the dump truck is not provided with a top cover, the goods are basically exposed to the natural environment, the goods lack effective covering and protection in the transportation process, a plurality of problems exist, the problem of throwing often occurs, and the secondary pollution to the environment is easily caused. The coverage of vehicle tarpaulin mainly takes the manual type, and the driver need climb the bonnet tarpaulin repeatedly, consequently brings a lot of danger and trouble to the tarpaulin is heavier, and the operation is got up and is wasted time and energy, and factor of safety is lower, and the unable height-adjusting of current automatic flexible tarpaulin, the goods height unrestricted will can't cover, and meet the unable passing through of limit for height.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a trailer tarpaulin fixing device aiming at the technical defects, a transmission device is adopted to drive the whole sliding device to move, and the equipment is ensured to be capable of automatically covering tarpaulin; the two supporting rods can rotate, and the auxiliary rod is used for assisting the supporting rods to use, so that the height of the equipment can be adjusted; the linkage device ensures that the transmission device moves to drive the whole sliding device to move along with the transmission device.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: comprises a car hopper, a transmission device arranged on the car hopper and a sliding device arranged on one side of the transmission device and positioned on the car hopper; the transmission device comprises a motor, a gear box and a roll shaft; the motor and the gear box are arranged on the hopper; the shaft end of the motor is connected with the shaft end of the gear box through a coupling; the roll shaft penetrates through the gear box, and two ends of the roll shaft respectively penetrate through two sides of the car hopper and then are connected with the car hopper bearing; the sliding device comprises a sliding rail, a first connecting rod, a plurality of second connecting rods, a first linkage device, a second linkage device and a roller; the sliding rails are arranged at two ends of the car hopper; the first linkage device and the second linkage device are provided with a plurality of groups; one bottom end of the connecting rod is connected with the roll shaft in a key mode; the top end of the first connecting rod is connected with the top end of the second connecting rod through a first linkage device; the top ends of the two adjacent connecting rods are connected through a first linkage device, and the bottom ends of the two adjacent connecting rods are connected through a second linkage device; a fixed shaft is arranged at the bottom end of the second connecting rod, and the roller rotating shaft is connected to the fixed shaft; the rollers are matched in a sliding rail in a rolling way; and a turnover device is arranged on the linkage device I.

Further optimizing the technical scheme, the first linkage device comprises a control rod and a gear; the gears are respectively welded at the two ends of the connecting rods and the top end of the connecting rod I; two adjacent gears are in meshing transmission; the control rod is symmetrical to the gear, and the rotating shaft is connected to the second connecting rods and the first connecting rods.

Further optimizing the technical scheme, the first linkage device and the second linkage device are the same in structure.

Further optimizing the technical scheme, the turnover device comprises a sliding cylinder, a knob, a support rod, an auxiliary rod and a suspension rod; the sliding cylinder rotating shaft is connected to a control rod of the linkage device I; the supporting rod is in sliding fit in the sliding barrel; sliding grooves are formed in the two sides of the auxiliary rod; one end of the suspension rod is connected to the support rod through a rotating shaft, and the other end of the suspension rod is in sliding fit in the sliding groove; grooves are formed in the bottoms of the supporting rod and the auxiliary rod; the auxiliary rods and the suspension rods are provided with a plurality of groups; the auxiliary rod is in sliding fit in the groove; threaded holes are respectively arranged on the auxiliary rod and the supporting rod; the knob penetrates through the sliding barrel and then is in threaded connection with the threaded hole.

Further optimize this technical scheme, slider is provided with two sets of on the car hopper symmetry, and the bracing piece pivot in two sets of slider is connected.

Further optimizing the technical scheme, the top end of the second connecting rod at the tail part is fixedly connected with the control rod in the first linkage device.

Compared with the prior art, the utility model has the advantages of it is following: 1. the motor drives the roll shaft to enable the first connecting rod to rotate, and the structure is favorable for ensuring that the sliding devices on two sides of the car hopper can be driven to move simultaneously; 2. the structure is beneficial to ensuring that the first connecting rod and the second connecting rods can be driven to move simultaneously by meshing two adjacent gears on the first connecting rod and the second connecting rod; 3. the supporting rods on the two sliding devices rotate, the auxiliary rods perform auxiliary supporting, and the height of the tarpaulin can be adjusted by the aid of the structure.

Drawings

Fig. 1 is a schematic view of a general structure of a trailer tarpaulin fixing device.

Fig. 2 is a schematic structural diagram of a transmission device of a trailer tarpaulin fixing device.

Fig. 3 is a schematic view of a portion of a trailer tarpaulin retainer slider.

Fig. 4 is a schematic structural view of a trailer tarpaulin fixing device linkage.

Fig. 5 is a schematic view of a support rod supporting state of a trailer tarpaulin fixing device.

Fig. 6 is a schematic structural view of a trailer tarpaulin fixing device turnover device.

In the figure: 1. a car hopper; 2. a transmission device; 3. a sliding device; 4. a motor; 5. a gear case; 6. a roll shaft; 7. a slide rail; 8. a first connecting rod; 9. a second connecting rod; 10. a first linkage device; 11. a second linkage device; 12. A roller; 13. a fixed shaft; 14. a turning device; 15. a control lever; 16. a gear; 17. a slide cylinder; 18. A knob; 19. a support bar; 20. an auxiliary rod; 21. a suspension rod; 22. a chute; 23. a groove; 24. a threaded bore.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-6, the device comprises a car hopper 1, a transmission device 2 arranged on the car hopper 1, and a sliding device 3 arranged on one side of the transmission device 2 and positioned on the car hopper 1; the transmission device 2 comprises a motor 4, a gear box 5 and a roll shaft 6; the motor 4 and the gear box 5 are arranged on the car hopper 1; the shaft end of the motor 4 is connected with the shaft end of the gear box 5 through a coupler; the roll shaft 6 penetrates through the gear box 5, and two ends of the roll shaft respectively penetrate through two sides of the car hopper 1 and then are connected with the car hopper 1 through bearings; the sliding device 3 comprises a sliding rail 7, a first connecting rod 8, a plurality of second connecting rods 9, a first linkage device 10, a second linkage device 11 and a roller 12; the sliding rails 7 are arranged at two ends of the car hopper 1; a plurality of groups of the first linkage device 10 and the second linkage device 11 are arranged; the bottom end of the first connecting rod 8 is connected with the roller shaft 6 in a key mode; the top end of the first connecting rod 8 is connected with the top end of the second connecting rod 9 through a first linkage device 10; the top ends of a plurality of adjacent second connecting rods 9 are connected through a first linkage device 10, and the bottom ends of the plurality of adjacent second connecting rods are connected through a second linkage device 11; a fixed shaft 13 is arranged at the bottom end of the second connecting rod 9, and the roller 12 is connected to the fixed shaft 13 in a rotating mode; the roller 12 is matched with the slide rail 7 in a rolling way; the first linkage device 10 is provided with a turnover device 14; the first linkage 10 comprises a control rod 15 and a gear 16; the gears 16 are respectively welded at the two ends of the second connecting rods 9 and the top end of the first connecting rod 8; two adjacent gears 16 are in meshed transmission; the control rod 15 is symmetrical to the gear 16, and the rotating shaft is connected to the second connecting rods 9 and the first connecting rods 8; the first linkage device 10 and the second linkage device 11 have the same structure; the turnover device 14 comprises a sliding cylinder 17, a knob 18, a support rod 19, an auxiliary rod 20 and a suspension rod 21; the rotating shaft of the sliding cylinder 17 is connected to a control rod 15 of the linkage device I10; the supporting rod 19 is in sliding fit in the sliding barrel 17; sliding grooves 22 are formed in two sides of the auxiliary rod 20; one end of the hanging rod 21 is connected to the supporting rod 19 through a rotating shaft, and the other end of the hanging rod is in sliding fit in the sliding groove 22; the bottoms of the supporting rod 19 and the auxiliary rod 20 are provided with grooves 23; a plurality of groups of auxiliary rods 20 and hanging rods 21 are arranged; the secondary rod 20 is in sliding fit in the groove 23; threaded holes 24 are respectively arranged on the auxiliary rod 20 and the supporting rod 19; the knob 18 penetrates through the sliding barrel 17 and then is in threaded connection with the threaded hole 24; two groups of sliding devices 3 are symmetrically arranged on the car hopper 1, and supporting rods 19 in the two groups of sliding devices 3 are connected in a rotating shaft manner; the top end of the second connecting rod 9 at the tail end is fixedly connected with a control rod 15 in the first linkage device 10.

In use, according to the figures from 1 to 6, the support rod 19 is first adjusted according to the load to be loaded, the secondary rod 20 is inserted into the groove 23 of the support rod 19, while the hanging rod 21 slides in the chute 22; then the supporting rod 19 is slid in the sliding cylinder 17 to the threaded hole 24 of the auxiliary rod 20, meanwhile, the symmetrical turnover device 14 on the other side of the car hopper 1 is arranged in the same way, the two supporting rods 19 rotate to a certain angle, and the sliding cylinder 17 also rotates on the control rod 15 and forms a certain angle with the supporting rods 19 as the two supporting rods 19 are parallel to each other and form a certain angle; then the knob 18 is threaded into the threaded hole 24 after passing through the sliding barrel 17; a plurality of threaded holes 24 on the support bar 19 and the sub-bar 20 may be used to fix the tarpaulin; the shape in the sliding barrel 17 is the same as the shape of the auxiliary rod 20 and the hanging rod 21, so that the auxiliary rod 20 can slide in the sliding barrel 17, all the turnover devices 14 are arranged in the same way, and the auxiliary rod 20 and the hanging rod 21 are provided with a plurality of groups, so that the supporting rod 19 can be ensured to be continuously adjusted upwards and connected by the hanging rod 21 when not used, and the space is not occupied; then starting the motor 4, driving the gear box 5 to rotate by the motor 4, driving the worm wheel and the worm in the gear box 5, and connecting the roll shaft 6 with the worm through a key; the worm drives the roll shaft 6 to rotate, and the roll shaft 6 drives the first connecting rod 8 to rotate; the gear 16 between the first connecting rod 8 and the second connecting rod 9 is meshed, and the control rod 15 is used for assisting the first connecting rod 8 and the second connecting rod 9, so that the second connecting rod 9 is driven to rotate and stretch; meanwhile, the roller 12 on the fixed shaft 13 rolls in the sliding rail 7; the first linkage device 10 and the second linkage device 11 are the same, so that the working states of the first linkage device 10 and the second linkage device 11 on the second connecting rods 9, which are all meshed with the gear 16, are the same, and the second connecting rods 9 drive the awning cloth to automatically extend and retract; in the attached fig. 1, 2 and 5, it can be seen that the second connecting rod 9 at the tail end needs to be fixedly connected with the control rod 15 on the linkage device, and can be fixed by adopting a welding mode, and when the second connecting rod moves to the whole car hopper 1, the tail end of the car hopper 1 can be covered.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The utility model provides a trailer tarpaulin fixing device which characterized in that: comprises a car hopper (1), a transmission device (2) arranged on the car hopper (1) and a sliding device (3) arranged on one side of the transmission device (2) and positioned on the car hopper (1); the transmission device (2) comprises a motor (4), a gear box (5) and a roll shaft (6); the motor (4) and the gear box (5) are arranged on the car hopper (1); the shaft end of the motor (4) is connected with the shaft end of the gear box (5) through a coupler; the roll shaft (6) penetrates through the gear box (5), and two ends of the roll shaft respectively penetrate through two sides of the car hopper (1) and then are connected with the car hopper (1) through bearings;

the sliding device (3) comprises a sliding rail (7), a first connecting rod (8), a plurality of second connecting rods (9), a first linkage device (10), a second linkage device (11) and a roller (12); the sliding rails (7) are arranged at two ends of the car hopper (1); a plurality of groups of the first linkage device (10) and the second linkage device (11) are arranged; the bottom end of the first connecting rod (8) is connected with the roll shaft (6) in a key mode; the top end of the first connecting rod (8) is connected with the top end of the second connecting rod (9) through a first linkage device (10); the top ends of a plurality of adjacent second connecting rods (9) are connected through a first linkage device (10), and the bottom ends of the plurality of adjacent second connecting rods are connected through a second linkage device (11); a fixed shaft (13) is arranged at the bottom end of the second connecting rod (9), and the rotating shaft of the roller (12) is connected to the fixed shaft (13); the roller (12) is matched with the slide rail (7) in a rolling way; and a turnover device (14) is arranged on the linkage device I (10).

2. A trailer tarpaulin fixing device according to claim 1, characterized in that: the linkage device I (10) comprises a control rod (15) and a gear (16); the gears (16) are respectively welded at the two ends of the second connecting rods (9) and the top ends of the first connecting rods (8); two adjacent gears (16) are in meshed transmission; the control rod (15) is symmetrical to the gear (16), and the rotating shaft is connected to the second connecting rods (9) and the first connecting rods (8).

3. A trailer tarpaulin fixing device according to claim 2, characterized in that: the first linkage device (10) and the second linkage device (11) are identical in structure.

4. A trailer tarpaulin fixing device according to claim 2, characterized in that: the turnover device (14) comprises a sliding cylinder (17), a knob (18), a support rod (19), an auxiliary rod (20) and a suspension rod (21); the rotating shaft of the sliding cylinder (17) is connected to a control rod (15) of the linkage device I (10); the supporting rod (19) is in sliding fit in the sliding barrel (17); sliding grooves (22) are formed in the two sides of the auxiliary rod (20); one end of the hanging rod (21) is connected to the supporting rod (19) through a rotating shaft, and the other end of the hanging rod is in sliding fit in the sliding groove (22); grooves (23) are formed at the bottoms of the supporting rod (19) and the auxiliary rod (20); a plurality of groups of auxiliary rods (20) and hanging rods (21) are arranged; the auxiliary rod (20) is in sliding fit in the groove (23); threaded holes (24) are respectively arranged on the auxiliary rod (20) and the support rod (19); the knob (18) penetrates through the sliding barrel (17) and then is in threaded connection with the threaded hole (24).

5. A trailer tarpaulin fixing device of claim 4, characterized in that: two groups of sliding devices (3) are symmetrically arranged on the car hopper (1), and supporting rods (19) in the two groups of sliding devices (3) are connected through rotating shafts.

6. A trailer tarpaulin fixing device of claim 5, characterized in that: the top end of the second connecting rod (9) at the tail end is fixedly connected with a control rod (15) in the first linkage device (10).