CN110884407B

CN110884407B - Semitrailer reequiping is with pulling dolly

Info

Publication number: CN110884407B
Application number: CN201911134910.8A
Authority: CN
Inventors: 孙西友; 李乐; 李子军
Original assignee: Lixin Kaisheng Automobile Co ltd
Current assignee: Lixin Kaisheng Automobile Co ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2021-02-09
Anticipated expiration: 2039-11-19
Also published as: CN110884407A

Abstract

The invention discloses a dragging trolley for semitrailer modification, which comprises a dragging trolley main body, wherein the inner side of a first connecting groove is respectively and rotatably connected with a first threaded rod penetrating through a front breast board and a first threaded rod fixing an upright post, the inner side of a placing groove is symmetrically provided with a second connecting groove, the inner side of the second connecting groove is respectively and rotatably connected with a second threaded rod penetrating through the front surface and the rear surface of a carriage frame plate, the front surface and the rear surface of the carriage frame plate are respectively and rotatably connected with heightened breast boards matched with the placing groove, and the upper surface of a limiting block is fixedly provided with a threaded pipe matched with the first threaded rod and the second threaded rod. The heightening fence is provided, the second threaded rod is driven to rotate by rotating the second operating rod, the second threaded rod is separated from the threaded pipe, the heightening fence is unfolded, meanwhile, the first threaded rod is driven to rotate by rotating the first operating rod, the first threaded rod is connected with the threaded pipe, the unfolded heightening fence is fixed, higher goods can be limited, and the transportation effect is good.

Description

Semitrailer reequiping is with pulling dolly

Technical Field

The invention relates to the technical field of semitrailers, in particular to a dragging trolley for semitrailer modification.

Background

The cargo carrying part of the railing panel type semitrailer is a semitrailer with a railing panel structure. The method has wide application, is mainly suitable for medium and long distance transportation of medium and heavy type and bulk goods, has strong applicability, and becomes the first choice of medium and long distance freight vehicles.

1. The whole vehicle body is made of high-quality steel materials and is strictly produced and manufactured by advanced technology, and the whole vehicle is reasonable in structure, reliable in performance, simple and convenient to operate and attractive in appearance. 2. The frame of series semi-trailer is a through beam type structure, and the longitudinal beam is straight or gooseneck type. The height of the web plate is welded by a manganese plate from 400mm to 550mm, the longitudinal beam is welded by automatic submerged welding, the frame is processed by shot blasting, and the cross beam penetrates into the longitudinal beam and is welded integrally. The suspension adopts a non-independent steel plate stamping type rigid suspension and is made of a series steel plate spring and a suspension support; reasonable structure, and strong rigidity and strength, and is used for supporting load and reducing impact.

The height of a breast board of the existing breast board type semi-trailer is fixed, when transported goods are high, the goods need to be bound, otherwise the goods easily fall off, and the problem of poor transportation effect is caused; and it is difficult to load goods into the balustrade semi-trailer from a low position, resulting in low loading efficiency. Therefore, the dragging trolley for the semitrailer modification is provided.

Disclosure of Invention

The invention aims to provide a dragging trolley for semitrailer modification, which solves the problems that the height of a breast board of the existing breast board type semitrailer is fixed, when transported goods are higher, the goods need to be bound, otherwise the goods are easy to fall off, and the transportation effect is poor; and the goods are difficult to load into the railing panel type semi-trailer from a low position, so that the loading efficiency is low.

In order to achieve the purpose, the invention provides the following technical scheme: a towing trolley for semitrailer modification comprises a towing trolley main body, wherein the towing trolley main body comprises a carriage frame plate arranged in the middle, a front railing plate and two fixed stand columns are fixedly arranged on the upper surface of the carriage frame plate respectively, first connecting grooves are formed in opposite surfaces of the fixed stand columns and the front railing plate respectively, first threaded rods penetrating through the front railing plate and first threaded rods of the fixed stand columns are rotatably connected to the inner sides of the first connecting grooves respectively, a first operating rod is fixedly connected to one end of each first threaded rod, placing grooves are formed in the front and rear surfaces of the carriage frame plate respectively, second connecting grooves are symmetrically formed in the inner sides of the placing grooves, a second threaded rod penetrating through the front surface of the carriage frame plate and a second threaded rod penetrating through the rear surface of the carriage frame plate are rotatably connected to the inner sides of the second connecting grooves respectively, and a second operating rod is fixedly connected to one end of each second threaded rod, the front surface and the rear surface of the carriage frame plate are all rotatably connected with heightening breast boards matched with the placing grooves, holding grooves are all formed in the two sides of the heightening breast boards, limiting grooves are formed in the inner sides of the holding grooves, limiting blocks are arranged on the inner sides of the limiting grooves, and threaded pipes matched with the first threaded rods and the second threaded rods are fixedly mounted on the upper surfaces of the limiting blocks.

Preferably, the threaded pipe is matched with the accommodating groove, and the threaded pipe is of a rectangular structure.

Preferably, the rubber sleeve is sleeved on the outer sides of the first operating rod and the second operating rod, and anti-skid grains are arranged on the outer sides of the rubber sleeve.

Preferably, the bottom of the carriage frame plate is symmetrically and fixedly provided with lower hydraulic telescopic rods, the lower end of each lower hydraulic telescopic rod is fixedly connected with a foot support, and the lower surface of each foot support is fixedly provided with an anti-slip pad.

Preferably, the bottom fixed mounting of carriage frame board has the guardrail frame, the guardrail frame is located hydraulic telescoping rod's right side down, just the inboard symmetry fixed mounting of guardrail frame has the guardrail pole of being connected with carriage frame board.

Preferably, a plurality of hinges are uniformly and fixedly mounted on the lower portion of the right side of the carriage frame plate, and a rear breast board matched with the carriage frame plate is arranged between the hinges.

Preferably, the right side of the rear breast board is symmetrically and fixedly provided with a hook bolt board, the right upper part of the carriage frame board is symmetrically and fixedly provided with a hook bolt seat, and each hook bolt seat is internally provided with an L-shaped hook bolt matched with the hook bolt board.

Preferably, the movable groove has been seted up to the upper surface outside symmetry of rearmounted breast board, just the upper surface middle part symmetry fixed mounting of rearmounted breast board has back hydraulic telescoping rod, two the common fixedly connected with connecting plate in back hydraulic telescoping rod's upper end, the equal fixed mounting in both ends of connecting plate has the extension that matches with the movable groove and goes up the pallet.

Compared with the prior art, the invention has the following beneficial effects:

1. the heightening fence is provided, the second threaded rod is driven to rotate by rotating the second operating rod, the second threaded rod is separated from the threaded pipe, the heightening fence is unfolded, meanwhile, the first threaded rod is driven to rotate by rotating the first operating rod, the first threaded rod is connected with the threaded pipe, the unfolded heightening fence is fixed, higher goods can be limited, and the transportation effect is good.

2. According to the invention, the extension length of the extended upper cargo board is controlled by opening the rear breast board and starting the rear hydraulic telescopic rod, so that the space occupied by the extended upper cargo board and the rear breast board meets the limitation of a loading environment, the cargo is conveniently loaded, and the working efficiency is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a right side view of the present invention;

FIG. 3 is an enlarged view of part A of the present invention.

In the figure: 1. a front breast board; 2. a first operating lever; 3. a second operating lever; 4. a carriage frame plate; 5. a placement groove; 6. a lower hydraulic telescopic rod; 7. a foot support; 8. a first threaded rod; 9. a first connecting groove; 10. heightening a breast board; 11. a guardrail frame; 12. guard rails; 13. fixing the upright post; 14. extending the upper pallet; 15. an L-shaped hook; 16. a rear breast board; 17. a connecting plate; 18. a rear hydraulic telescopic rod; 19. a hinge; 20. a hook plate; 21. a hook bolt seat; 22. a movable groove; 23. a threaded pipe; 24. a second threaded rod; 25. a second connecting groove; 26. a limiting block; 27. a limiting groove; 28. accommodating grooves; 29. and dragging the trolley main body.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1:

referring to fig. 1-3, a trailer wagon for semitrailer modification comprises a trailer wagon body 29, wherein the trailer wagon body 29 comprises a wagon frame plate 4 arranged in the middle, a front rail plate 1 and two fixed upright posts 13 are respectively and fixedly mounted on the upper surface of the wagon frame plate 4, first connecting grooves 9 are respectively formed in the opposite surfaces of the fixed upright posts 13 and the front rail plate 1, first threaded rods 8 penetrating through the front rail plate 1 and the fixed upright posts 13 are respectively and rotatably connected to the inner sides of the first connecting grooves 9, first operating rods 2 are respectively and fixedly connected to one ends of the first threaded rods 8, placing grooves 5 are respectively formed in the front and rear surfaces of the wagon frame plate 4, second connecting grooves 25 are symmetrically formed in the inner sides of the placing grooves 5, second threaded rods 24 penetrating through the front surface and the rear surface of the wagon frame plate 4 and second threaded rods 24 are respectively and rotatably connected to the inner sides of the second connecting grooves 25, the equal fixedly connected with second action bars 3 of one end of second threaded rod 24, the preceding of carriage frame plate 4, the rear surface all rotate be connected with standing groove 5 matching increase breast board 10, increase the both sides of breast board 10 and all seted up holding tank 28, spacing groove 27 has been seted up to holding tank 28's inboard, the inboard of spacing groove 27 is provided with stopper 26, the last fixed surface of stopper 26 installs the screwed pipe 23 with first threaded rod 8 and second threaded rod 24 matching.

Referring to fig. 3, the threaded pipe 23 is matched with the receiving groove 28, and the threaded pipe 23 is rectangular, so that the threaded pipe 23 cannot rotate.

Referring to fig. 1, rubber sleeves are sleeved on the outer sides of the first operating rod 2 and the second operating rod 3, and anti-skid lines are formed on the outer sides of the rubber sleeves, so that the comfort level of using the first operating rod 2 and the second operating rod 3 is improved.

Referring to fig. 1, the bottom of the carriage frame plate 4 is symmetrically and fixedly provided with lower hydraulic telescopic rods 6, the lower end of each lower hydraulic telescopic rod 6 is fixedly connected with a foot brace 7, and the lower surface of each foot brace 7 is fixedly provided with a non-slip mat, so that the main body 29 of the towing trolley can be stably placed.

Referring to fig. 1, a guardrail frame 11 is fixedly mounted at the bottom of the carriage frame plate 4, the guardrail frame 11 is located at the right side of the lower hydraulic telescopic rod 6, and guardrail rods 12 connected with the carriage frame plate 4 are symmetrically and fixedly mounted at the inner side of the guardrail frame 11, so that the bottom structure of the carriage frame plate 4 is protected, and the carriage frame plate 4 can conveniently climb onto the towing trolley main body 29 from the front side and the rear side of the carriage frame plate 4.

Referring to fig. 2, a plurality of hinges 19 are uniformly and fixedly installed at the lower portion of the right side of the car frame plate 4, a rear balustrade 16 matched with the car frame plate 4 is disposed between the hinges 19, and the rear balustrade 16 can prevent goods from falling off from the right side of the car frame plate 4.

Referring to fig. 2, the rear balustrade 16 is symmetrically and fixedly mounted with a hook plate 20 at the right side, the carriage frame plate 4 is symmetrically and fixedly mounted with a hook seat 21 at the upper part of the right side, and each hook seat 21 is internally provided with an L-shaped hook 15 matching with the hook plate 20, so that the rear balustrade 16 is conveniently fixed on the carriage frame plate 4.

Referring to fig. 2, the outer side of the upper surface of the rear breast board 16 is symmetrically provided with movable grooves 22, the middle of the upper surface of the rear breast board 16 is symmetrically and fixedly provided with rear hydraulic telescopic rods 18, the upper ends of the two rear hydraulic telescopic rods 18 are fixedly connected with a connecting plate 17, and the two ends of the connecting plate 17 are fixedly provided with extended upper cargo boards 14 matched with the movable grooves 22, so that cargo loading is facilitated.

The working principle is as follows: when goods are loaded, the rear hydraulic telescopic rod 18 is started, the rear hydraulic telescopic rod 18 drives the extended upper goods plate 14 connected with the rear hydraulic telescopic rod 18 through the connecting plate 17 to move upwards, then the L-shaped bolt hook 15 is controlled, the rear breast board 16 is opened, and the extended upper goods plate 14 is in contact with the ground. When the heightening baffle plate 10 needs to be unfolded and fixed, the second threaded rod 24 is rotated by the second operating rod 3 to separate the threaded pipe 23 from the second threaded rod 24, the threaded pipe 23 drives the limiting block 26 connected with the threaded pipe to slide in the limiting groove 27, then the heightening baffle plate 10 is rotated to be in a vertical state, the threaded pipe 23 is pulled out from the accommodating groove 28, the second threaded rod 24 is rotated by the first operating rod 2 to be in threaded connection with the threaded pipe 24, and the heightening baffle plate 10 is fixed.

The control mode of the present application is automatically controlled by a controller, the control circuit of the controller can be realized by simple programming by those skilled in the art, and the present application is common knowledge in the field, and the present application mainly protects the mechanical device, so the control mode and the circuit connection are not explained in detail in the present application.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a semitrailer is reequiped with dragging dolly, includes dragging dolly main part (29), its characterized in that: drag dolly main part (29) including setting up in carriage frame plate (4) at the middle part, the upper surface of carriage frame plate (4) fixed mounting respectively has leading breast board (1) and two fixed post (13), first connecting groove (9) have all been seted up with the opposite face of leading breast board (1) to fixed post (13), the inboard of first connecting groove (9) is rotated respectively and is connected with first threaded rod (8) and the first threaded rod (8) of fixed post (13) of running through leading breast board (1), the equal fixedly connected with first action bars (2) of one end of first threaded rod (8), standing groove (5) have all been seted up to preceding, the rear surface of carriage frame plate (4), second connecting groove (25) have been seted up to the inboard symmetry of standing groove (5), the inboard of second connecting groove (25) is rotated respectively and is connected with second threaded rod (24) and the second threaded rod of rear surface that run through carriage frame plate (4) front surface Pole (24), the equal fixedly connected with second action bars (3) of one end of second threaded rod (24), preceding, the rear surface of carriage frame board (4) all rotate be connected with standing groove (5) the matching increase breast board (10), holding tank (28) have all been seted up to the both sides of increasing breast board (10), spacing groove (27) have been seted up to the inboard of holding tank (28), the inboard of spacing groove (27) is provided with stopper (26), the last fixed surface of stopper (26) installs pipe thread (23) with first threaded rod (8) and second threaded rod (24) matching.

2. The towing trolley for semitrailer modification as claimed in claim 1, wherein: the threaded pipe (23) is matched with the accommodating groove (28), and the threaded pipe (23) is of a rectangular structure.

3. The towing trolley for semitrailer modification as claimed in claim 1, wherein: the rubber sleeve is sleeved on the outer sides of the first operating rod (2) and the second operating rod (3), and anti-skid grains are arranged on the outer side of the rubber sleeve.

4. The towing trolley for semitrailer modification as claimed in claim 1, wherein: the bottom of the carriage frame plate (4) is symmetrically and fixedly provided with lower hydraulic telescopic rods (6), each lower end of each lower hydraulic telescopic rod (6) is fixedly connected with a foot support (7), and the lower surface of each foot support (7) is fixedly provided with an anti-slip pad.

5. The towing trolley for semitrailer modification as claimed in claim 4, wherein: the bottom fixed mounting of carriage frame board (4) has guardrail frame (11), guardrail frame (11) are located the right side of hydraulic stretching pole (6) down, just guardrail bar (12) that the inboard symmetry fixed mounting of guardrail frame (11) is connected with carriage frame board (4).

6. The towing trolley for semitrailer modification as claimed in claim 1, wherein: the lower part of the right side of the carriage frame plate (4) is uniformly and fixedly provided with a plurality of hinges (19), and a rear breast board (16) matched with the carriage frame plate (4) is arranged between the hinges (19).

7. The towing trolley for semitrailer modification as claimed in claim 6, wherein: the right side symmetry fixed mounting of rearmounted breast board (16) has colludes tie plate (20), the right side upper portion symmetry fixed mounting of carriage frame board (4) has colludes tie seat (21), every collude the inside of tie seat (21) and all be provided with colluding L type bolt hook (15) that tie plate (20) match.

8. The towing trolley for semitrailer modification as claimed in claim 6, wherein: activity groove (22) have been seted up to the upper surface outside symmetry of rearmounted breast board (16), just the upper surface middle part symmetry fixed mounting of rearmounted breast board (16) has back hydraulic telescoping rod (18), two the common fixedly connected with connecting plate (17) in upper end of back hydraulic telescoping rod (18), the equal fixed mounting in both ends of connecting plate (17) has and moves on extension that groove (22) match and pallet (14).