CN220682505U

CN220682505U - Spare tire loading and unloading device and vehicle

Info

Publication number: CN220682505U
Application number: CN202322399970.0U
Authority: CN
Inventors: 李洁; 杨朝龙; 王伟华
Original assignee: Sany Automobile Manufacturing Co Ltd
Current assignee: Sany Automobile Manufacturing Co Ltd
Priority date: 2023-09-04
Filing date: 2023-09-04
Publication date: 2024-03-29
Anticipated expiration: 2033-09-04

Abstract

The utility model relates to the technical field of vehicles, and discloses a spare tire loading and unloading device and a vehicle, comprising: the hoisting mechanism is arranged corresponding to the container and used for hoisting the spare tire; the hydraulic driving mechanism is in transmission connection with the hoisting mechanism and is suitable for being communicated with a hydraulic system of a vehicle. According to the utility model, the hydraulic driving mechanism is utilized to drive the hoisting mechanism, so that the hoisting mechanism is used for loading and unloading the spare tire, the automation degree of the spare tire loading and unloading process is high, time and labor are saved, the hydraulic driving mechanism is supplied with oil by utilizing the hydraulic system of the vehicle, an additional oil supply system is not required to be arranged, the integral structure of the spare tire loading and unloading device is simplified, and the daily maintenance of the spare tire loading and unloading device is facilitated.

Description

Spare tire loading and unloading device and vehicle

Technical Field

The utility model relates to the technical field of vehicles, in particular to a spare tire loading and unloading device and a vehicle.

Background

Dump trucks are vehicles which automatically unload cargoes by hydraulic or mechanical lifting, and are also called dump trucks, and are generally composed of a chassis, a hydraulic lifting mechanism, a cargo box, a power take-off device and the like. Dump trucks are often combined with engineering machinery such as excavators, loaders, belt conveyors and the like in civil engineering to form a loading, transporting and unloading production line for loading, unloading and transporting earthwork, sand and bulk materials. The dumper plays an important role in the modern social development, and the dumper needs to be prepared with a spare tire when in use so as to prevent the need from time to time.

In the existing vehicles, the spare tire loading and unloading device is usually in two forms, one is a front hoist type, is arranged on a front plate of a container, and is used for hoisting a spare tire by using a chain block; the other is a side-mounted type, which is arranged on the side surface of the girder and is used for hoisting the spare tire by using a special spare tire lifter. The two modes are complex in daily maintenance, the spare tire installation position is usually high, and the spare tire is usually required to be manually assembled and disassembled, so that time and labor are wasted.

Disclosure of Invention

In view of the above, the present utility model provides a spare tire loading and unloading device and a vehicle, so as to solve the problem that the spare tire loading and unloading device in the prior art is inconvenient to maintain and needs to be manually loaded and unloaded.

In a first aspect, the present utility model provides a spare tire loading and unloading device, comprising: the hoisting mechanism is arranged corresponding to the container and is used for hoisting the spare tire; the hydraulic driving mechanism is in transmission connection with the hoisting mechanism and is suitable for being communicated with a hydraulic system of a vehicle.

The beneficial effects are that: the hydraulic driving mechanism is utilized to drive the lifting mechanism, so that the lifting mechanism is used for loading and unloading the spare tire, the automation degree of the spare tire loading and unloading process is high, time and labor are saved, the hydraulic system of the vehicle is utilized to supply oil for the hydraulic driving mechanism, an additional oil supply system is not required to be arranged, the integral structure of the spare tire loading and unloading device is simplified, and the daily maintenance of the spare tire loading and unloading device is facilitated.

In an alternative embodiment, the hydraulic driving mechanism comprises a hydraulic motor, a reversing valve and an oil pipe assembly, the hydraulic motor is in transmission connection with the hoisting mechanism, the reversing valve is communicated with the hydraulic motor through the oil pipe assembly, and the reversing valve is communicated with the hydraulic system.

The beneficial effects are that: the reversing valve and the oil pipe assembly are used for supplying oil to the hydraulic motor, and the reversing valve can control the forward rotation and the reverse rotation of the hydraulic motor, so that the lifting control of the spare tire is realized.

In an alternative embodiment, the reversing valve is adapted to be disposed in correspondence with a front end of the carriage, the hydraulic motor is disposed at a bottom of the cargo box, the oil pipe assembly includes a lower branch, an upper branch, and a connecting branch, the lower branch is in communication with the reversing valve and disposed in correspondence with a side of the carriage, the upper branch is in communication with the hydraulic motor and disposed in correspondence with a bottom of the cargo box, and the connecting branch is connected with the lower branch and the upper branch and is adapted to be disposed around a roll-over axle of the vehicle.

The beneficial effects are that: through setting up the oil pipe subassembly into lower part branching, upper portion way and connection branching, make the upset axle that oil pipe subassembly can walk around the vehicle to can not cause tearing to the oil pipe subassembly at packing box upset in-process, guarantee the stability and the security of oil pipe subassembly.

In an alternative embodiment, the hydraulic system comprises a hydraulic pump and a tank, both of which are arranged in communication with the reversing valve, the hydraulic pump being adapted to pump hydraulic oil in the tank to the reversing valve.

In an alternative embodiment, the hoisting mechanism comprises a winch, a rope body and a hanging frame, the hydraulic driving mechanism is in transmission connection with the winch, the rope body is wound on the winch, the rope body penetrates through the hanging frame and then is connected with a spare tire, and the hanging frame is rotatably arranged in the container.

The beneficial effects are that: utilize capstan winch and rope body to hoist and mount the spare tyre to, through setting up rotatable gallows, make the spare tyre keep away from the packing box at the lift in-process, avoid spare tyre and packing box to take place to interfere, and, after the spare tyre is hung in place, make the spare tyre can laminate with the packing box through rotating the gallows, accomplish the installation of spare tyre.

In an alternative embodiment, a roller is disposed within the hanger, and the rope is disposed on the roller.

In an alternative embodiment, the spare tire handling device further comprises a fixed pulley, the fixed pulley is arranged on the cargo box, the fixed pulley is located between the winch and the hanger, and the rope body is arranged on the fixed pulley.

In an alternative embodiment, the spare tire handling device further comprises a securing structure that secures the relative positions of the spare tire and the cargo box.

In an alternative embodiment, the spare tire handling device further comprises a spare tire support structure coupled to the cargo box.

The beneficial effects are that: by arranging the spare tire supporting structure, the stability and the accuracy of the position of the spare tire on the container are improved.

In a second aspect, the present utility model also provides a vehicle comprising: a frame; the cargo box is rotatably connected with the frame through a turnover shaft; the hydraulic system is arranged on the frame and is suitable for driving the container to rotate; in the spare tire loading and unloading device, the spare tire loading and unloading device is arranged corresponding to the frame and the container.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a vehicle according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a portion of the structure of the vehicle shown in FIG. 1 (frame not shown);

FIG. 3 is an enlarged schematic view of a portion of FIG. 2A;

FIG. 4 is an enlarged partial schematic view of B in FIG. 2;

FIG. 5 is a partial front view of the vehicle shown in FIG. 1;

fig. 6 is a schematic view showing an internal structure of a hanger according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a hoisting mechanism; 101. a winch; 102. a rope body; 103. a hanging bracket; 1031. a mounting base; 1032. a cantilever; 104. a roller; 2. a hydraulic drive mechanism; 201. a hydraulic motor; 202. a reversing valve; 203. an oil pipe assembly; 2031. a lower shunt; 2032. an upper shunt; 2033. a connecting shunt; 3. a fixed structure; 301. a stud; 302. a fixing plate; 303. a fastener; 4. a fixed pulley; 5. a spare tire support structure; 10. a frame; 20. a cargo box; 30. a hydraulic system; 31. a hydraulic pump; 32. an oil tank; 100. and (5) a spare tire.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiments of the present utility model are described below with reference to fig. 1 to 6.

According to an embodiment of the present utility model, in one aspect, there is provided a spare tire loading and unloading device including: the lifting mechanism 1, the hydraulic driving mechanism 2 and the fixed structure 3. The hoisting mechanism 1 is installed corresponding to the container 20, and the hoisting mechanism 1 is used for hoisting the spare tire 100. The hydraulic driving mechanism 2 is in transmission connection with the hoisting mechanism 1, and the hydraulic driving mechanism 2 is suitable for being communicated with a hydraulic system 30 of a vehicle.

The hydraulic driving mechanism 2 is utilized to drive the hoisting mechanism 1, so that the hoisting mechanism 1 is used for loading and unloading the spare tire 100, the automation degree of the loading and unloading process of the spare tire 100 is high, time and labor are saved, the hydraulic system 30 of the vehicle is utilized to supply oil for the hydraulic driving mechanism 2, an additional oil supply system is not required to be arranged, the integral structure of the spare tire loading and unloading device is simplified, and the daily maintenance of the spare tire loading and unloading device is facilitated.

The hoisting mechanism 1 is connected to the spare tire 100, and the hydraulic driving mechanism 2 drives the hoisting mechanism 1 to operate, so that the hoisting mechanism 1 lifts or drops the spare tire 100.

In one embodiment, as shown in fig. 1, 2 and 5, the spare tire handling device further includes a securing structure 3, the securing structure 3 securing the relative positions of the spare tire 100 and the cargo box 20.

It should be noted that, when the spare tire 100 is located at the predetermined position of the cargo box 20, the spare tire 100 is fixed to the cargo box 20 by the fixing structure 3, so as to ensure the installation stability of the spare tire 100; when the spare tire 100 needs to be dismounted, the fixing structure 3 is canceled to fix the spare tire 100, and the spare tire 100 is lowered through the hoisting mechanism 1.

In one embodiment, as shown in fig. 1-3, the hydraulic drive mechanism 2 includes a hydraulic motor 201, a reversing valve 202, and an oil line assembly 203. The hydraulic motor 201 is in transmission connection with the hoisting mechanism 1, the reversing valve 202 is communicated with the hydraulic motor 201 through an oil pipe assembly 203, and the reversing valve 202 is communicated with the hydraulic system 30 of the vehicle. The hydraulic motor 201 is supplied with oil by the directional valve 202 and the oil pipe assembly 203, and the forward rotation and the reverse rotation of the hydraulic motor 201 can be controlled by the directional valve 202, thereby realizing the lift control of the spare tire 100.

It should be noted that, as shown in fig. 3, the oil pipe assembly 203 includes two pipes, one pipe is used to rotate the hydraulic motor 201 in a forward direction, the other pipe is used to rotate the hydraulic motor 201 in a reverse direction, and the reversing valve 202 is selectively communicated with one pipe.

In one embodiment, the reversing valve 202 is a solenoid reversing valve.

In one embodiment, as shown in fig. 4, tubing assembly 203 includes a lower portion path 2031, an upper portion path 2032, and a connecting branch path 2033, a first end of lower portion path 2031 is connected to reversing valve 202, a second end of lower portion path 2031 extends toward a roll-over axis of the vehicle, lower portion path 2031 is disposed corresponding to a side of frame 10, a first end of upper portion path 2032 is connected to hydraulic motor 201, a second end of upper portion path 2032 extends toward the roll-over axis of the vehicle, upper portion path 2032 is disposed corresponding to a bottom of cargo box 20, and connecting branch path 2033 is connected to the second end of lower portion path 2031 and the second end of upper portion path 2032 and is disposed around the roll-over axis of the vehicle.

By arranging the tubing assembly 203 as the lower path 2031, the upper path 2032 and the connecting path 2033, the tubing assembly 203 can bypass the vehicle's roll-over shaft, thereby avoiding tearing of the tubing assembly 203 during the roll-over of the cargo box 20 and ensuring stability and safety of the tubing assembly 203.

It should be noted that, referring to fig. 2, the roll axis is disposed near the rear end of the vehicle, and the lower part path 2031 and the upper part path 2032 are disposed extending from front to back and are connected by a connection branch 2033.

It should be noted that, referring to fig. 2 to 4, since the oil pipe assembly 203 includes two pipes, the lower portion 2031 includes two lower portion pipes, the upper portion 2032 includes two upper portion pipes, and the connecting pipe includes two connecting branch pipes.

Specifically, as shown in fig. 1 and 2, hydraulic system 30 is disposed corresponding to the front end of frame 10, reversing valve 202 is disposed corresponding to the front end of frame 10, hydraulic motor 201 is disposed at the bottom of cargo box 20, lower path 2031 is disposed on the side of frame 10, and upper path 2032 is disposed at the bottom of cargo box 20. During the overturning of the cargo box 20, no tearing of the tubing assembly 203 occurs; after the cargo box 20 is reset, the cargo box 20 cannot be pressed to the oil pipe assembly 203, and damage to the oil pipe assembly 203 is avoided.

It should be noted that referring to fig. 1 and 2, a hydraulic motor 201 is disposed near the front end of the cargo box 20.

During the overturning of container 20, upper path 2032 moves upward with container 20 and lower path 2031 remains stationary on frame 10. A steel pipe may be used for the lower portion 2031 and the upper portion 2032, and a hose may be used for the connection and disconnection 2033. It will be appreciated that the coupling branch 2033 is a flexible tubing structure and that the coupling branch 2033 will move in synchronism with the lifting and lowering of the cargo box 20, but the coupling branch 2033 will not be subject to pulling forces, thereby avoiding damage to the tubing assembly 203.

In one embodiment, as shown in fig. 1 and 2, the hydraulic system 30 includes a hydraulic pump 31 and a tank 32, each of the hydraulic pump 31 and the tank 32 being disposed in communication with the reversing valve 202, the hydraulic pump 31 pumping hydraulic oil in the tank 32 to the reversing valve 202.

In one embodiment, as shown in fig. 2 and 3, the hoisting mechanism 1 includes a winch 101, a rope 102, and a hanger 103. The hydraulic driving mechanism 2 is in transmission connection with the winch 101, the rope 102 is wound on the winch 101, the rope 102 penetrates through the hanging frame 103 and then is connected with the spare tire 100, and the hanging frame 103 is rotatably arranged on the cargo box 20.

The spare tire 100 is hoisted by using the winch 101 and the rope body 102, the rotatable hanging frame 103 is arranged, the spare tire 100 is far away from the container 20 in the lifting process, interference between the spare tire 100 and the container 20 is avoided, and after the spare tire 100 is hoisted in place, the spare tire 100 can be attached to the container 20 by rotating the hanging frame 103, so that the spare tire 100 is installed.

Specifically, as shown in fig. 6, the hanger 103 includes a mounting base 1031 and a cantilever 1032, the mounting base 1031 is connected with the cargo box 20, the cantilever 1032 is rotatably connected with the mounting base 1031, and the rope 102 is threaded inside the cantilever 1032 along the extending direction of the cantilever 1032, so that the rope 102 can be driven to rotate together when the cantilever 1032 rotates. That is, referring to fig. 5, when the left end of the cantilever 1032 rotates in a direction away from the cargo box 20, the spare tire 100 is simultaneously moved away from the cargo box 20.

In one embodiment, as shown in FIG. 3, a hydraulic motor 201 is drivingly connected to the winch 101.

In one embodiment, as shown in fig. 6, a roller 104 is disposed in the hanger 103, and the rope 102 is disposed on the roller 104. Specifically, as shown in fig. 6, a plurality of rollers 104 are disposed at intervals.

In one embodiment, as shown in fig. 2, the spare tire loading and unloading device further includes a fixed pulley 4, the fixed pulley 4 is disposed on the cargo box 20, the fixed pulley 4 is located between the winch 101 and the hanger 103, and the rope 102 is disposed on the fixed pulley 4.

In one embodiment, the rope 102 is a steel wire rope. The rope body 102 is wound on the winch 101, the end part of the rope body 102 winds around the fixed pulley 4 to enter the hanging frame 103, and the rope body passes out of the hanging frame 103 after winding around the roller 104 in the hanging frame 103, so that the spare tire 100 is bound.

In one embodiment, as shown in fig. 1 and 2, the spare tire loading and unloading apparatus further includes a spare tire support structure 5, the spare tire support structure 5 being coupled to the cargo box 20. By providing the spare tire support structure 5, stability and accuracy of the position of the spare tire 100 on the cargo box 20 is improved.

In one embodiment, as shown in fig. 2, the spare tire support structure 5 is a pallet.

In one embodiment, as shown in fig. 5, the securing structure 3 includes a stud 301, a securing plate 302, and a fastener 303. The first end of the stud 301 is connected with the cargo box 20, the second end of the stud 301 extends forward, when the spare tire 100 is attached to the cargo box 20, the second end of the stud 301 is arranged through the spare tire 100, the fixing plate 302 is provided with a fixing hole, the second end of the stud 301 is arranged through the fixing hole, so that the fixing plate 302 is attached to the spare tire 100, the fastener 303 is fastened to the second end of the stud 301 and attached to the fixing plate 302, and therefore the position of the spare tire 100 is fixed through the fixing plate 302 and the fastener 303.

In one embodiment, as shown in fig. 2, winch 101 is fixed to the lower portion of the side plate of cargo box 20, hanger 103 is mounted to the top side edge of the front plate of cargo box 20, and hanger 103 can rotate 180 ° so that hanger 103 can rotate spare tire 100 to the outside of cargo box 20.

According to an embodiment of the present utility model, in another aspect, there is also provided a vehicle including: frame 10, cargo box 20, hydraulic system 30, and the spare tire loading and unloading device described above. The cargo box 20 is rotatably connected with the frame 10 through a turning shaft, a hydraulic system 30 is arranged on the frame 10 and is suitable for driving the cargo box 20 to rotate, and a spare tire loading and unloading device is arranged corresponding to the frame 10 and the cargo box 20. It is worth mentioning that the hydraulic system 30 further includes a hydraulic cylinder, which is disposed in communication with the oil tank 32, and is in driving connection with one end of the cargo box 20 away from the overturning shaft, that is, the hydraulic cylinder is in driving connection with the front end of the cargo box 20, and when the hydraulic cylinder stretches, the front end of the cargo box 20 can be driven to lift or descend, so that the cargo box 20 rotates around the overturning shaft.

In one embodiment, the vehicle is a dump truck.

Of course, in other alternative embodiments, the vehicle may be other types of vehicles.

When the spare tire 100 is mounted using the spare tire mounting and dismounting device of the present embodiment, first, the winch 101 is driven to rotate by the hydraulic motor 201, the end of the rope 102 is lowered, and the end of the rope 102 is bound to the spare tire 100; then, the cantilever 1032 is rotated, so that the cantilever 1032 is positioned at the outer side of the cargo box 20, the winch 101 is driven to rotate by the hydraulic motor 201, and the rope body 102 lifts the spare tire 100 to be flush with the pallet; thereafter, the cantilever 1032 is rotated again to attach the cantilever 1032 to the cargo box 20 and the spare tire 100 is positioned on the pallet; finally, the fixing plate 302 and the fastener 303 are installed to fix the spare tire 100.

When the spare tire 100 is dismounted using the spare tire mounting and dismounting device of the present embodiment, first, the fastener 303 and the fixing plate 302 are removed; then, the cantilever 1032 is turned to move the spare tire 100 to the outside of the cargo box 20, apart from the pallet; then, the winch 101 is driven to rotate by the hydraulic motor 201, so that the rope body 102 drives the spare tire 100 to descend to the ground, and the rope body 102 is released from the spare tire 100; finally, the winch 101 is driven to rotate by the hydraulic motor 201, the end of the rope 102 is lifted and reset, the cantilever 1032 is rotated, and the cantilever 1032 is rotated to be attached to the cargo box 20.

Although embodiments of the present utility model have been described in connection with the accompanying drawings, various modifications and variations may be made by those skilled in the art without departing from the spirit and scope of the utility model, and such modifications and variations fall within the scope of the utility model as defined by the appended claims.

Claims

1. A spare tire loading and unloading device, characterized by comprising:

the hoisting mechanism (1) is arranged corresponding to the container (20), and the hoisting mechanism (1) is used for hoisting the spare tire (100);

the hydraulic driving mechanism (2) is in transmission connection with the hoisting mechanism (1), and the hydraulic driving mechanism (2) is suitable for being communicated with a hydraulic system (30) of a vehicle.

2. The spare tire loading and unloading device according to claim 1, wherein the hydraulic driving mechanism (2) comprises a hydraulic motor (201), a reversing valve (202) and an oil pipe assembly (203), the hydraulic motor (201) is in transmission connection with the hoisting mechanism (1), the reversing valve (202) is communicated with the hydraulic motor (201) through the oil pipe assembly (203), and the reversing valve (202) is communicated with the hydraulic system (30).

3. The spare tire handling device according to claim 2, wherein the reversing valve (202) is adapted to be disposed corresponding to a front end of a truck frame (10), the hydraulic motor (201) is disposed at a bottom of a cargo box (20), the oil pipe assembly (203) includes a lower branch (2031), an upper branch (2032), and a connecting branch (2033), the lower branch (2031) is in communication with the reversing valve (202) and disposed corresponding to a side of the truck frame (10), the upper branch (2032) is in communication with the hydraulic motor (201) and disposed corresponding to a bottom of the cargo box (20), and the connecting branch (2033) connects the lower branch (2031) and the upper branch (2032) and is adapted to be disposed around a roll-over axle of the vehicle.

4. A spare tire handling device according to claim 2 or 3, wherein the hydraulic system (30) comprises a hydraulic pump (31) and a tank (32), the hydraulic pump (31) and the tank (32) each being arranged in communication with the reversing valve (202), the hydraulic pump (31) being adapted to pump hydraulic oil in the tank (32) to the reversing valve (202).

5. A spare tire handling device according to any one of claims 1 to 3, wherein the lifting mechanism (1) comprises a winch (101), a rope body (102) and a hanging bracket (103), the hydraulic driving mechanism (2) is in transmission connection with the winch (101), the rope body (102) is wound on the winch (101), the rope body (102) penetrates through the hanging bracket (103) and then is connected with a spare tire (100), and the hanging bracket (103) is rotatably arranged on the cargo box (20).

6. The spare tire loading and unloading device according to claim 5, wherein a roller (104) is arranged in the hanger (103), and the rope body (102) is arranged on the roller (104).

7. The spare tire handling device of claim 5, further comprising a fixed sheave (4), the fixed sheave (4) being disposed on the cargo box (20), the fixed sheave (4) being located between the winch (101) and the hanger (103), the rope (102) being disposed on the fixed sheave (4).

8. A spare tire handling device according to any one of claims 1 to 3, further comprising a securing structure (3), the securing structure (3) securing the relative positions of the spare tire (100) and the cargo box (20).

9. A spare tire handling device according to any one of claims 1 to 3, further comprising a spare tire support structure (5), the spare tire support structure (5) being connected to the cargo box (20).

10. A vehicle, characterized by comprising:

a frame (10);

a cargo box (20), wherein the cargo box (20) is rotatably connected with the frame (10) through a turnover shaft;

a hydraulic system (30) arranged on the frame (10) and adapted to drive the container (20) to rotate;

the spare tire handling device of any one of claims 1 to 9, which is arranged in correspondence of the frame (10) and the cargo box (20).