A semi-automatic car body lifting clamp for suspended monorail trains

Abstract

This utility model relates to a semi-automatic car body lifting clamp for a suspended monorail train. The technical solution includes: a lifting chain assembly for connecting the crane hook; a lifting frame fixedly connected to the lifting chain assembly; a car body positioning support frame installed at the lower part of the lifting frame; four inverted L-shaped car body hooks located at the four corners of the lifting frame, with their horizontal sections used to clamp the car body edges and their vertical sections hinged to the car body positioning support frame via a hook rotation shaft; and a semi-automatic limiting mechanism connecting the lifting frame and the car body positioning support frame, including a semi-automatic support rod, a semi-automatic limiting plate, a connecting rod, and a spring. The upper end of the semi-automatic support rod is fixed to the lifting frame, and the lower end drives and connects to the semi-automatic limiting plate. One end of the connecting rod is fixed to the car body positioning support frame, and the other end has a positioning rod that mates with a positioning groove on the semi-automatic limiting plate. The spring abuts against the semi-automatic limiting plate and the car body positioning support frame. This achieves semi-automatic clamping and unloading of the car body.

Description

Technical Field

[0001] This utility model relates to the field of urban aerial rail transit equipment manufacturing technology, specifically to a hoisting fixture for a suspended monorail train body after welding. Background Technology

[0002] During the manufacturing process of the monorail car body, the welding process must strictly ensure precision and appearance quality. The entire welding process requires the use of welding fixtures and jigs for fixation. After welding is completed, the car body needs to be lifted off the fixtures. However, due to the car body's large size, during the lifting process, the car body is susceptible to risks such as tilting, slipping, and deformation due to gravity.

[0003] Currently, the hoisting of monorail car bodies relies on manual operation of clamps, which has the following drawbacks: 1. The car body is large and prone to tilting and slipping under gravity, posing significant safety hazards; 2. Manual clamping is inefficient and can easily lead to local deformation of the car body, increasing subsequent straightening costs; 3. Existing clamps lack self-positioning capabilities, and positioning accuracy depends on manual adjustment. Utility Model Content

[0004] To address the problems existing in the prior art, this utility model proposes a semi-automatic car body lifting clamp for suspended monorail trains, which realizes semi-automatic clamping and unloading of the car body without the need for manual clamping or loosening operations, thereby significantly improving production efficiency and ensuring personnel safety.

[0005] Technical solution adopted:

[0006] A semi-automatic car body lifting clamp for a suspended monorail train includes:

[0007] Lifting chain assembly, used to connect to the crane hook;

[0008] The lifting frame is fixedly connected to the lifting chain assembly;

[0009] A vehicle body positioning support frame is installed at the lower part of the lifting frame;

[0010] Four inverted L-shaped vehicle body hooks are located at the four corners of the lifting frame. The horizontal section is used to clamp the edge of the vehicle body, and the middle of the vertical section is hinged to the vehicle body positioning support frame through the hook rotation axis.

[0011] A semi-automatic limiting mechanism connects the spreader frame and the vehicle positioning support frame, including a semi-automatic support rod, a semi-automatic limiting plate, a connecting rod, and a spring;

[0012] The upper end of the semi-automatic support rod is fixed to the lifting frame, and the lower end is driven to connect to the semi-automatic limit plate.

[0013] One end of the connecting rod is fixed to the vehicle body positioning support frame, and the other end is provided with a positioning rod that cooperates with the positioning groove on the semi-automatic limit plate.

[0014] The spring abuts against the semi-automatic limiting plate and the vehicle body positioning support frame.

[0015] Specifically, a sliding roller is connected to the top of the vertical section of the vehicle body hook, and the sliding roller is slidably connected to the waist-shaped hole on the lifting frame. The length direction of the waist-shaped hole is perpendicular to the axis of rotation of the hook.

[0016] Furthermore, the lifting device frame is provided with a roller reinforcing plate, and the waist-shaped hole of the roller reinforcing plate corresponds to the position of the waist-shaped hole on the lifting device frame. Furthermore, the vehicle body positioning support frame is symmetrically provided with vehicle body width positioning plates on its front and rear sides, and its inner side is provided with an inclined guide portion.

[0017] Specifically, the positioning groove of the semi-automatic limiting plate includes a top groove and a bottom groove. The top groove is used to engage the positioning rod of the connecting rod to achieve locking of the lifting frame.

[0018] Specifically, the sliding roller is fixedly connected to the vehicle body hook via a roller mounting shaft.

[0019] Furthermore, the semi-automatic limiting mechanism is located on the left and right sides of the lifting frame and the vehicle positioning support frame.

[0020] Furthermore, the semi-automatic limiting plate is slidably fitted with the semi-automatic limiting installation cavity, and a limiting rod and a limiting groove structure are provided between the two.

[0021] Furthermore, the horizontal section of the vehicle body hook clamps the upper edge of the vehicle body.

[0022] The beneficial effects of this utility model are:

[0023] This utility model features semi-automatic clamping and unloading functions, which significantly improves the hoisting efficiency in the production process. At the same time, it ensures that the product will not deform during hoisting, avoiding risks such as the vehicle body slipping. No manual clamping or loosening operation is required during the vehicle body clamping process, which effectively reduces production safety hazards and reduces the difficulty of subsequent product straightening. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the overall structure of the present invention in the clamping state;

[0025] Figure 2 for Figure 1 Enlarged transparent schematic diagram of the structure in section A;

[0026] Figure 3 for Figure 1 Enlarged schematic diagram of section B in the middle;

[0027] Figure 4This is a schematic diagram of the overall structure of the present invention in its unloading state.

[0028] Figure 5 for Figure 4 Enlarged schematic diagram of section A in the middle;

[0029] Figure 6 for Figure 4 Enlarged transparent schematic diagram of the structure in section B;

[0030] The figure shows: 1. Lifting chain assembly; 2. Lifting frame; 3. Vehicle body positioning support frame; 4. Vehicle body width positioning plate; 5. Lifting lug; 6. Vehicle body hook; 7. Hook rotation shaft; 8. Roller reinforcing plate; 9. Sliding roller; 10. Roller mounting shaft; 11. Semi-automatic limit mounting cavity; 1101. Limiting groove; 12. Semi-automatic limit plate; 1201. Limiting rod; 13. Connecting rod; 1301. Positioning rod; 14. Spring; 15. Semi-automatic support rod. Detailed Implementation

[0031] To further illustrate the technical means and effects adopted by this utility model in order to achieve the intended utility model purpose, the following detailed description of the specific implementation methods, structure, features and effects of this utility model is provided in conjunction with the accompanying drawings and preferred embodiments.

[0032] like Figure 1-6 The diagram illustrates a semi-automatic car body lifting fixture for a suspended monorail train, comprising a lifting chain assembly 1, a lifting frame 2, a car body positioning support frame 3, a car body width positioning plate 4, lifting lugs 5, a car body hook 6, a hook rotation shaft 7, and a semi-automatic limiting mechanism. The lifting chain assembly 1 connects to the crane hook, allowing the crane to lift the product onto its upper part. The lifting frame 2 has four lifting lugs 5 at its top, located on the left and right sides, front and rear ends, respectively, to assist in the installation and positioning of the lifting chain assembly 1, achieving a fixed connection between the lifting frame 2 and the lifting chain assembly 1. The car body positioning support frame 3 is installed at the lower part of the lifting frame 2; the car body hooks 6 are located at the four corners of the lifting frame 2. The car body hooks 6 have an inverted L-shaped structure, with their horizontal section used to clamp the edge of the car body, the middle of the vertical section movably connected to the car body positioning support frame 3 via the hook rotation shaft 7, and the top of the vertical section movably connected to the lifting frame 2. The vehicle body positioning support frame 3 has symmetrically arranged vehicle body width positioning plates 4 on its front and rear sides. The inner side of the plates has an inclined guide. With the help of the inclined guide, the tooling slides into the sides of the vehicle body, achieving self-positioning of the width. The semi-automatic limiting mechanism is located on the left and right sides of the lifting frame 2 and the vehicle body positioning support frame 3, connecting the lifting frame 2 and the vehicle body positioning support frame 3.

[0033] The semi-automatic limiting mechanism includes a semi-automatic limiting mounting cavity 11, a semi-automatic limiting plate 12, a connecting rod 13, a spring 14, and a semi-automatic support rod 15. The upper end of the semi-automatic support rod 15 is connected to the lifting frame 2, and its lower end extends into the semi-automatic limiting mounting cavity 11 and connects to the top end face of the semi-automatic limiting plate 12. The bottom outer end face of the lower end of the semi-automatic limiting mounting cavity 11 is fixed to the vehicle positioning support frame 3. Limiting grooves 1101 are provided on both sides of the semi-automatic limiting mounting cavity 11, and limiting rods 1201 are provided on both sides of the semi-automatic limiting plate 12. The limiting rods 1201 are located in the limiting grooves 1101 and slide up and down along the limiting grooves 1101. A spring 14 is provided between the bottom end face of the semi-automatic limiting plate 12 and the bottom inner end face of the lower end of the semi-automatic limiting mounting cavity 11. The semi-automatic limiting plate 12 has a positioning groove on its front end face. The lower end of the connecting rod 13 is connected to the lower end side wall of the semi-automatic limiting mounting cavity 11, and its upper end is provided with a positioning rod 1301, which is located within the positioning groove. The positioning groove includes a top groove and a bottom groove, such as... Figure 2 As shown, the positioning rod is currently in the bottom groove position, as indicated. Figure 5 As shown, the positioning rod is in the top slot position at this time.

[0034] The upper end of the vehicle body hook 6 is connected to a roller mounting shaft 10, and a sliding roller 9 is fitted on the roller mounting shaft 10. The sliding roller 9 is slidably connected along the waist-shaped hole of the lifting frame 2. Furthermore, a roller reinforcing plate 8 is provided on the inner wall of the lifting frame 2. The roller reinforcing plate 8 has a waist-shaped hole at a position corresponding to the waist-shaped hole of the lifting frame 2. The length direction of the waist-shaped hole is perpendicular to the axis of the hook rotation shaft 7, so that the sliding roller 9 drives the vehicle body hook 6 to rotate when it rolls along the waist-shaped hole.

[0035] During hoisting, if Figure 1-3 As shown, the lifting chain assembly 1 drives the car body hook 6 to rotate around the hook rotation axis 7, while the sliding roller 9 rolls in the oblong hole of the roller reinforcing plate 8, and the car body hook 6 clamps the car body. The connecting rod 13 slides from the top slot of the semi-automatic limit plate 12 to the bottom slot, and the spring 14 returns to its original elasticity. During the lifting process, the weight of the car body is transmitted to the lifting chain assembly 1 through the car body hook 6, and finally reaches the crane hook.

[0036] When placing the vehicle body, such as Figure 4-6 As shown, the weight of the lifting frame 2 is transmitted to the semi-automatic limiting plate 12 via the semi-automatic support rod 15, and the spring 14 is compressed. The positioning device on the connecting rod 13 engages with the top groove of the semi-automatic limiting plate 12 to prevent slippage. Simultaneously with the compression of the spring 14, the lifting frame 2 falls, the vehicle body hook 6 rotates around the hook rotation axis 7, the sliding roller 9 rolls in the oblong hole of the roller reinforcing plate 8, the vehicle body hook 6 opens, and the vehicle body separates from the lifting device. By repeating the above actions, semi-automatic clamping and unloading of the vehicle body is achieved.

[0037] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present utility model. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.

Claims

1. A semi-automatic car body lifting clamp for a suspended monorail train, characterized in that, include: Lifting chain assembly, used to connect to the crane hook; The lifting frame is fixedly connected to the lifting chain assembly; A vehicle body positioning support frame is installed at the lower part of the lifting frame; Four inverted L-shaped vehicle body hooks are located at the four corners of the lifting frame. The horizontal section is used to clamp the edge of the vehicle body, and the middle of the vertical section is hinged to the vehicle body positioning support frame through the hook rotation axis. A semi-automatic limiting mechanism connects the spreader frame and the vehicle positioning support frame, including a semi-automatic support rod, a semi-automatic limiting plate, a connecting rod, and a spring; The upper end of the semi-automatic support rod is fixed to the lifting frame, and the lower end is driven to connect to the semi-automatic limit plate. One end of the connecting rod is fixed to the vehicle body positioning support frame, and the other end is provided with a positioning rod that cooperates with the positioning groove on the semi-automatic limit plate. The spring abuts against the semi-automatic limiting plate and the vehicle body positioning support frame.

2. The lifting clamp according to claim 1, characterized in that: The top of the vertical section of the vehicle body hook is connected to a sliding roller, which is slidably connected to an oblong hole on the lifting frame. The length direction of the oblong hole is perpendicular to the axis of rotation of the hook.

3. The lifting clamp according to claim 2, characterized in that: The lifting device frame is provided with a roller reinforcing plate, and the waist-shaped hole of the roller reinforcing plate is located corresponding to the waist-shaped hole on the lifting device frame.

4. The lifting clamp according to claim 1, characterized in that: The vehicle body positioning support frame is symmetrically provided with vehicle body width positioning plates on the front and rear sides, and its inner side is provided with an inclined guide.

5. The lifting clamp according to claim 1, characterized in that: The positioning slot of the semi-automatic limiting plate includes a top slot and a bottom slot.

6. The lifting clamp according to claim 2, characterized in that: The sliding roller is fixedly connected to the vertical section of the vehicle body hook via a roller mounting shaft.

7. The lifting clamp according to claim 1, characterized in that: The semi-automatic limiting mechanism is located on the left and right sides of the lifting frame and the vehicle body positioning support frame.

8. The lifting clamp according to claim 1, characterized in that: The semi-automatic limiting plate slides into the semi-automatic limiting installation cavity, and a limiting rod and a limiting groove structure are provided between the two.

9. The lifting clamp according to claim 1, characterized in that: The horizontal section of the vehicle body hook clamps the upper edge of the vehicle body.

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