Carriage lifting structure

Abstract

The utility model relates to the technical field of vehicles, in particular to a carriage lifting structure which comprises a frame, a carriage and a lifting device, the frame is connected with the carriage through the lifting device, the lifting device comprises a steering wheel A, the steering wheel A is arranged on the front portion of the frame in a rotating structure mode, and a steering wheel B is arranged on the rear portion of the frame in a rotating structure mode. A front stand column and a rear stand column are arranged on the front portion and the rear portion of the frame respectively in a fixed structure mode, a steering wheel C is arranged on the upper portion of the rear stand column in a rotating structure mode, and a movable column is sleeved with the rear stand column and connected with the rear stand column in a sliding structure mode. The front part of the carriage is fixedly connected with a chain or a steel wire rope; the other end of the chain or the steel wire rope sequentially penetrates through the steering wheel A, the steering wheel B and the steering wheel C to be connected with the movable column; a power device used for driving the compartment to ascend and descend is further arranged. The carriage is driven by the power device to move upwards, parts of a vehicle chassis are overhauled after the carriage is lifted, the working efficiency is improved, and the manual inspection difficulty and the working intensity are reduced.

Description

Technical field:

[0001] The present application relates to the field of vehicle technology, and in particular to a vehicle compartment lifting structure. Background technology:

[0002] The movable floor lifting mechanism of the carriage with application number 2008101412906 includes a movable floor fixed to the four corner columns of the carriage body by four corner fixing devices, and an oil cylinder is installed between the frame longitudinal beams under the lower floor of the carriage body and along the front-to-back direction. One end of the oil cylinder is fixed to the lower floor frame, and the piston rod at the other end is connected to a double pulley guide device provided on the lower floor frame. The double pulley guide device includes a connecting rod connected to the piston rod and two pulleys installed at both ends of the connecting rod. The double pulley guide device moves along the front-to-back direction of the carriage body through the two pulleys at both ends of the connecting rod. Four steel wire ropes are wound on the pulleys of the double pulley guide device. Guide pulleys are respectively installed on the lower part of the carriage floor and the front and rear surrounding columns. The four steel wire ropes pass through each guide pulley and are connected to the four corners of the movable floor.

[0003] This patent uses an oil cylinder to drive the movable floor to rise and fall in the car body through the cooperation of a wire rope and a pulley, which is suitable for the transportation of goods of different or changing volumes. However, when the vehicle chassis needs to be inspected and repaired, the car body cannot be moved, so workers are required to climb to the bottom of the vehicle, where the space is small and the operation is inconvenient. Even if the vehicle is driven to a maintenance platform or trench for maintenance, the workers still have to look up to operate, and long-term maintenance will cause great damage to the workers' necks. Utility model content:

[0004] In order to solve the above technical problems, the utility model provides a car lifting structure, which solves the technical problem that when repairing the chassis at the bottom of the car, the space is small and the operation is inconvenient. In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0005] A carriage lifting structure comprises a frame, a carriage and a lifting device, wherein the frame is connected to the carriage via the lifting device, and the lifting device comprises:

[0006] A steering wheel A, which is arranged at the front of the frame in a rotating structure;

[0007] A steering wheel B, which is arranged at the rear of the frame in a rotating structure;

[0008] A front upright post, the front upright post is arranged at the front of the frame in a fixed structure manner;

[0009] A rear upright post, which is arranged at the rear of the frame in a fixed structure;

[0010] A steering wheel C, which is arranged on the upper part of the rear column in a rotating structure;

[0011] A movable column, the movable column is connected to the rear column in a sliding structure;

[0012] A chain or a steel wire rope, one end of which is connected to the front of the carriage, and the other end of which passes through the steering wheel A, the steering wheel B, the steering wheel C in sequence and is connected to the movable column;

[0013] A power device used to drive the carriage up and down.

[0014] Furthermore, there are two front uprights, each of which is arranged at the front corners of the frame;

[0015] The rear side facade of the front pillar is provided with a slide rail in a fixed structure manner, the slide rail is provided with a slider in a sliding structure manner, and the slider is connected to the front side facade of the carriage in a fixed structure manner.

[0016] Furthermore, there are two rear uprights, each of which is arranged at the rear corners of the frame;

[0017] The rear column is arranged in a hollow structure, and the rear column is sleeved on the outside of the movable column, and the upper part of the movable column is connected with the rear side of the carriage.

[0018] Furthermore, the steering wheel B is arranged at the lower part of the rear pillar in a rotating structure, and the steering wheel B and the steering wheel C are projected in an L-shaped structure.

[0019] Furthermore, the opposite side surfaces of the two rear columns are provided with sliding grooves, and connecting rods are arranged in the sliding grooves in a sliding structure manner, and the two ends of the connecting rods are respectively connected to the lower parts of the two movable columns in a fixed structure manner.

[0020] Furthermore, the steering wheel A, the steering wheel B and the steering wheel C are all concave wheels, and the wire rope passes through the steering wheel A, the steering wheel B and the steering wheel C in sequence.

[0021] Furthermore, the steering wheel A, the steering wheel B and the steering wheel C are all sprockets, and the chain passes through the steering wheel A, the steering wheel B and the steering wheel C in sequence.

[0022] Furthermore, the power device is a hydraulic cylinder, the hydraulic cylinder is connected to the front column, and the output end of the hydraulic cylinder is connected to the carriage.

[0023] The beneficial effects of the utility model are as follows: the carriage is driven to move upward by a power device, and the components of the vehicle chassis are inspected and repaired after being raised, thereby improving work efficiency, reducing the difficulty and work intensity of manual inspection, and reducing the risk of vehicle damage caused by improper manual operation.

[0024] By setting the steering wheel A, steering wheel B and steering wheel C, the running direction of the chain or wire rope is adjusted to ensure the synchronous lifting and lowering of the front and rear of the carriage, thereby improving the stability of the lifting and lowering of the carriage. Description of the drawings:

[0025] Figure 1 It is a main structural schematic diagram of the utility model.

[0026] Figure 2 It is a schematic diagram of the three-dimensional structure of the rear pillar of the utility model.

[0027] In the figure:

[0028] 1. Frame, 2. Carriage, 3. Steering wheel A, 4. Steering wheel B, 5. Front column, 6. Rear column, 7. Steering wheel C, 8. Slide rail, 9. Slider, 10. Slide groove, 11. Connecting rod, 12. Hydraulic cylinder, 13. Movable column. Specific implementation method:

[0029] In order to make the purpose, technical scheme and advantages of the implementation of the utility model clearer, the utility model will now be further described in detail with reference to the accompanying drawings and the following examples so that the public can better understand the implementation method of the utility model. The specific implementation scheme of the utility model is as follows:

[0030] A car lifting structure includes a frame 1, a car 2 and a lifting device. The frame 1 is connected to the car 2 through the lifting device. The lifting device includes a steering wheel A3, which is arranged at the front of the frame 1 in a rotating structure, and a steering wheel B4 is arranged at the rear of the frame 1 in a rotating structure. The front and rear parts of the frame 1 are respectively provided with a front column 5 and a rear column 6 in a fixed structure, and the upper part of the rear column 6 is provided with a steering wheel C7 in a rotating structure. A movable column 13 is sleeved in the rear column 6, and the movable column 13 is connected to the rear column 6 in a sliding structure. A chain or a steel wire rope is fixedly connected to the front of the car 2, and the other end of the chain or the steel wire rope passes through the steering wheel A3, the steering wheel B4, and the steering wheel C7 in sequence and is connected to the movable column 13. A power device for driving the car 2 to lift is also provided. The car is driven upward by the power device, and the parts of the vehicle chassis are inspected and repaired after being lifted, thereby improving work efficiency, reducing the difficulty and work intensity of manual inspection, and reducing the risk of vehicle damage caused by improper manual operation.

[0031] Specifically, there are two front pillars 5, which are respectively arranged at the front end corners of the frame 1. The rear side facades of the front pillars 5 are provided with slide rails 8 in a fixed structure manner. The slide rails 8 are provided with sliders 9 in a sliding structure manner. The sliders 9 are connected to the front side facades of the car body 2 in a fixed structure manner; there are two rear pillars 6, which are respectively arranged at the rear end corners of the frame 1; the rear pillars 6 are arranged in a hollow structure, and the rear pillars 6 are sleeved on the outside of the movable pillars 13. The upper part of the movable pillars 13 is connected to the rear side of the car body 2 to realize the sliding and lifting of the car body 2 on the upper part of the frame 1.

[0032] It should be explained that the steering wheel B4 is arranged at the lower part of the rear column 6 in a rotating structure, and the steering wheel B4 and the steering wheel C7 are projected in an L-shaped structure, which facilitates the steering of the chain or wire rope and can prevent the chain or wire rope from falling out of the steering wheel, thereby improving the structural stability.

[0033] It should be noted that the two rear columns 6 have opposite side surfaces with a slide groove 10, in which a connecting rod 11 is provided in a sliding structure, and the two ends of the connecting rod 11 are respectively connected to the lower part of the two movable columns 13 in a fixed structure. The chain or wire rope pulls the movable column 13 up and down through the connecting rod 11.

[0034] The power device is a hydraulic cylinder 12 , which is connected to the front column 5 , and the output end of the hydraulic cylinder 12 is connected to the carriage 2 .

[0035] In this embodiment, the steering wheel A3, the steering wheel B4 and the steering wheel C7 are all concave wheels, and the wire rope passes through the steering wheel A3, the steering wheel B4 and the steering wheel C7 in sequence.

[0036] In another embodiment, the steering wheel A3, the steering wheel B4 and the steering wheel C7 are all sprockets, and the chain passes through the steering wheel A3, the steering wheel B4 and the steering wheel C7 in sequence.

[0037] The working principle and working process of the utility model are as follows:

[0038] When the vehicle chassis needs maintenance, the hydraulic cylinder 12 is started, and the output shaft of the hydraulic cylinder 12 pushes the carriage 2 to drive the slider 9 to move upward along the slide rail 8. At the same time, the carriage 2 pulls one end of the wire rope to move upward, and the other end passes through the steering wheel A3, the steering wheel B4, and the steering wheel C7 and then pulls the connecting rod 11. The connecting rod 11 drives the movable column 13 to move upward along the rear column 6 to realize the lifting and lowering of the carriage.

[0039] In the description of the present invention, it should be understood that the terms "center", "upper", "lower", "left", "right", "front", "back", "lower left", "upper right", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance. Although the present invention has been described according to a limited number of embodiments, those skilled in the art, with the benefit of the above description, should understand that other embodiments can be conceived within the scope of the present invention described thereby.

Claims

1. A carriage lifting structure, comprising a frame (1), a carriage (2) and a lifting device, wherein the frame (1) is connected to the carriage (2) via the lifting device, and is characterized in that: The lifting device includes: A steering wheel A (3), the steering wheel A (3) is arranged at the front of the frame (1) in a rotating structure; A steering wheel B (4), the steering wheel B (4) is arranged at the rear of the frame (1) in a rotating structure; A front column (5), the front column (5) is arranged at the front part of the frame (1) in a fixed structure manner; A rear column (6), the rear column (6) being arranged at the rear of the vehicle frame (1) in a fixed structure manner; A steering wheel C (7), the steering wheel C (7) is arranged on the upper part of the rear column (6) in a rotating structure; A movable column (13), the movable column (13) is connected to the rear column (6) in a sliding structure; A chain or a steel wire rope, one end of which is connected to the front of the carriage (2), and the other end of which passes through the steering wheel A (3), the steering wheel B (4), and the steering wheel C (7) in sequence and is connected to the movable column (13); A power device for driving the carriage (2) to rise and fall.

2. A carriage lifting structure according to claim 1, characterized in that: There are two front upright posts (5) respectively arranged at the front corners of the frame (1); The rear side elevation of the front column (5) is provided with a slide rail (8) in a fixed structure manner, the slide rail (8) is provided with a slider (9) in a sliding structure manner, and the slider (9) is connected to the front side elevation of the carriage (2) in a fixed structure manner.

3. A car lifting structure according to claim 2, characterized in that: There are two rear upright posts (6) respectively arranged at the rear end corners of the vehicle frame (1); The rear column (6) is arranged in a hollow structure, and the rear column (6) is sleeved on the outside of the movable column (13), and the upper part of the movable column (13) is connected to the rear side of the carriage (2).

4. A car lifting structure according to claim 2, characterized in that: The steering wheel B (4) is arranged at the lower part of the rear column (6) in a rotating structure, and the steering wheel B (4) and the steering wheel C (7) are arranged in an L-shaped structure when projected.

5. The carriage lifting structure according to claim 3, characterized in that: The opposite side surfaces of the two rear upright posts (6) are provided with a slide groove (10), a connecting rod (11) is arranged in the slide groove (10) in a sliding structure, and the two ends of the connecting rod (11) are respectively connected to the lower parts of the two movable posts (13) in a fixed structure.

6. The carriage lifting structure according to claim 3, characterized in that: The steering wheel A (3), the steering wheel B (4) and the steering wheel C (7) are all concave wheels, and the wire rope passes through the steering wheel A (3), the steering wheel B (4) and the steering wheel C (7) in sequence.

7. The carriage lifting structure according to claim 3, characterized in that: The steering wheel A (3), the steering wheel B (4) and the steering wheel C (7) are all sprockets, and the chain passes through the steering wheel A (3), the steering wheel B (4) and the steering wheel C (7) in sequence.

8. The carriage lifting structure according to claim 3, characterized in that: The power device is a hydraulic cylinder (12), the hydraulic cylinder (12) is connected to the front column (5), and the output end of the hydraulic cylinder (12) is connected to the carriage (2).

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