Anti-roll device dismounting and mounting tool

Abstract

The application relates to an anti-roll device dismounting and mounting tool, and belongs to the technical field of rail transit equipment production and maintenance, which comprises a supporting frame, a limiting block arranged at the top of the supporting frame and a limiting rib plate arranged at the side of the supporting frame and used for clamping an external lifting platform, the limiting block is provided with a U-shaped limiting groove used for clamping an external torsion bar; and the supporting frame is in the shape of an inverted "T". The application has the effects of improving the supporting stability of the anti-roll device and improving the operation convenience.

Description

Technical Field

[0001] This utility model relates to the field of rail transit equipment manufacturing and maintenance technology, and in particular to a tooling for disassembling and installing an anti-roll device. Background Technology

[0002] In the maintenance and assembly of bogies for rail vehicles, especially urban rail trains such as subways and EMUs, the disassembly and installation of anti-roll torsion bar devices is a critical and labor-intensive operation. The core component of this device is a torsion bar, a heavy and long rigid rod whose two ends require precise alignment with the car body via bearing seats. Currently, the industry commonly relies on wooden fixtures to provide temporary support and positioning for the anti-roll device in this operation.

[0003] However, existing wooden fixtures have gradually revealed several inherent defects in long-term application: First, their support height is insufficient, making it difficult to match the safe operating height of the lifting platform under vehicle-mounted conditions, posing a potential safety hazard; second, the fixture's structure is too wide, easily causing spatial interference with components such as brake lines at the bottom of the vehicle, affecting assembly efficiency and potentially leading to safety risks due to limited operating space; third, due to the inherent properties of wood, the overall structure of the fixture is loose and unstable, prone to deformation or loosening after long-term use, resulting in a significant reduction in its support reliability and service life; in addition, the existing fixture lacks an effective limiting and fixing structure between its bottom and the lifting platform, posing a risk of slippage during operation, directly affecting positioning accuracy and operational safety.

[0004] Regarding the aforementioned technologies, on the one hand, to ensure sufficient structural strength and service stability to guarantee operational safety; on the other hand, it is also necessary to consider the lightweight design and ease of operation of the tooling to meet the needs of efficient and flexible maintenance operations. Therefore, the inventors believe that there is a need to provide a tooling for disassembling and installing an anti-rollover device. Utility Model Content

[0005] To improve the support stability of the anti-roll device and also to enhance operational convenience, this application provides a tooling for disassembling and installing the anti-roll device.

[0006] This application provides a disassembly and installation fixture for an anti-rollover device, which adopts the following technical solution: A tooling for disassembling and installing an anti-rollover device includes a support frame, a limiting block disposed on the top of the support frame, and a limiting rib disposed on the side of the support frame and engaged with an external lifting platform. The limiting block has a U-shaped limiting groove for engaging an external torsion bar.

[0007] By adopting the above technical solutions, the support frame provides a wide bottom support, ensuring the overall stability and anti-overturning ability of the tooling during operation. The U-shaped limiting groove of the top limiting block of the support column can quickly and accurately position and clamp the torsion bar of the side rolling device. The limiting ribs on the side of the support bottom frame are used to engage and position with the external lifting platform, thereby preventing slippage between the tooling and the lifting platform. The three work together to achieve the goals of rapid centering, stable support and safe operation during disassembly and installation.

[0008] Optionally, the support frame is generally in the shape of an inverted "T"; the support frame includes a horizontally arranged support base frame and support columns vertically arranged on the top of both sides of the support base frame, the support columns being located at the middle position of the top of both sides of the support base frame; the limiting block is disposed on the top of the support column.

[0009] By adopting the above technical solution, the support columns are positioned at the middle of the top of both sides of the support base frame, ensuring that the stress center of the entire fixture coincides with the structural center. This results in a more uniform and rational force distribution during load-bearing, effectively preventing frame deformation or instability caused by eccentric loads and improving the fixture's load-bearing capacity and safety. Optionally, the number of limiting ribs is four, and the four limiting ribs are respectively disposed at the four corners of the supporting bottom frame.

[0010] By adopting the above technical solution and setting four limiting ribs distributed at the four corners of the support base frame, multiple stable and symmetrical limiting points are provided for the tooling, which can effectively prevent any movement and sliding of the tooling in the horizontal direction, and ensure that its relative position with the lifting equipment or work platform remains unchanged, thereby maintaining absolute stability during the lifting or lowering process and further ensuring operational safety.

[0011] Optionally, at least two sets of transverse reinforcing rods are provided between the two support columns, with the two sets of transverse reinforcing rods positioned above and below the support columns.

[0012] By adopting the above technical solution, a transverse reinforcing bar is set between the two support columns, forming a stable truss structure. This enhances the transverse stiffness between the support columns and the stability of the overall structure, resisting lateral forces or torsional loads that may be generated during operation, preventing the support columns from expanding outward or tilting inward, thereby extending the service life of the tooling.

[0013] Optionally, the number of the transverse reinforcing rods is two sets, and the two sets of transverse reinforcing rods are arranged vertically.

[0014] By adopting the above technical solution, the two sets of reinforcing rods distributed vertically can effectively constrain the upper and lower ends of the support column, provide more balanced support, avoid local weak points, and make the structure more stable and reliable.

[0015] Optionally, reinforcing ribs are provided between the two sides of the support column and the support base frame.

[0016] By adopting the above technical solution, reinforcing ribs are set at the connection between the support column and the support base frame, which effectively disperses and reduces stress concentration at the connection, prevents bending, cracking or plastic deformation of this part under heavy load, and ensures the structural integrity of the tooling under long-term repeated use.

[0017] Optionally, the limiting block and the support column are fixedly connected by bolts.

[0018] By adopting the above technical solution, the bolt connection between the limit block and the support column facilitates the installation, debugging, replacement or maintenance of the limit block. It also allows for the replacement of limit blocks of different specifications according to different workpiece types, greatly improving the adaptability and versatility of the tooling, while reducing maintenance costs.

[0019] Optionally, handles are provided on the top of the other two sides of the supporting base frame. By adopting the above technical solution and setting handles on the support base frame, operators are provided with clear points of force application, making the handling, movement and fine-tuning of the tooling easier and more convenient.

[0020] In summary, this application includes at least one of the following beneficial technical effects: 1. A disassembly and installation fixture for an anti-rollover device, wherein the support frame provides a wide bottom support to ensure the overall stability and anti-overturning capability of the fixture during operation; the U-shaped limiting groove of the top limiting block of the support column can quickly and accurately position and clamp the torsion bar of the rollover device; and the limiting ribs on the side of the support bottom frame are used to position with the external lifting platform, thereby preventing slippage between the fixture and the lifting platform. The three work together to achieve the goals of rapid centering, stable support and safe operation during disassembly and installation. 2. By setting at least two sets of transverse stiffeners between the two support columns, a stable truss structure is formed, which enhances the transverse stiffness between the support columns and the stability of the overall structure; 3. By setting reinforcing ribs at the connection between the support column and the support base frame, stress concentration at the connection is effectively dispersed and reduced, preventing bending, cracking or plastic deformation of this part under heavy load. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of the anti-roll device disassembly and installation fixture in the embodiments of this application.

[0022] Figure 2 This is a top view of the disassembly and installation fixture for the anti-roll device in the embodiments of this application.

[0023] Explanation of reference numerals in the attached drawings: 1. Support frame; 11. Support base frame; 12. Support column; 121. Reinforcing rod; 2. Limiting block; 21. U-shaped limiting groove; 3. Limiting rib; 4. Reinforcing rib; 5. Bolt; 6. Handle. Detailed Implementation

[0024] The following is in conjunction with the appendix Figure 1-2 This application will be described in further detail.

[0025] This application discloses a fixture for disassembling and installing an anti-roll device. (Refer to...) Figure 1 A jig for disassembling and installing an anti-rollover device includes a support frame 1, a limiting block 2 disposed on the top of the support frame 1, and a limiting rib 3 disposed on the side of the support frame 1 and engaged with an external lifting platform. The limiting block 2 has a U-shaped limiting groove 21 for engaging an external torsion bar. The curvature of the U-shaped limiting groove 21 matches the outer diameter of the anti-rollover torsion bar to be installed, effectively supporting and securing the torsion bar. The limiting rib 3 can engage with the positioning lifting platform, making the jig more stable when supporting the anti-rollover device, effectively improving the safety and convenience of the operation. In this embodiment, the limiting block 2 is made of nylon, which allows for soft contact with the painted surface of the torsion bar, preventing scratches or wear on the torsion bar surface during operation and providing good protection.

[0026] Reference Figure 1 and Figure 2 The support frame 1 is generally inverted "T" shape. The support frame 1 includes a horizontally arranged support base frame 11 and vertically arranged support columns 12 on both sides of the top of the support base frame 11. The support columns 12 are located in the middle of the top of both sides of the support base frame 11. Threaded holes are provided at the top of the support columns 12, and the limiting blocks 2 are fixedly connected to the top of the support columns 12 by bolts 5. The entire support frame 1 is a welded, integrally formed steel structure. In this embodiment, two sets of bolts are used.

[0027] Reference Figure 1 Two sets of transverse reinforcing rods 121 are welded between the two supporting columns 12 at the top and bottom, respectively, forming a sturdy truss structure that effectively resists transverse deformation.

[0028] Reference Figure 1 Reinforcing ribs 4 are welded between the two sides of each support column 12 and the top surface of the support base frame 11. The reinforcing ribs 4 are steel pipes, with one on each side of each support column 12, for a total of four. One end of each reinforcing rib 4 is welded to the support column 12, and the other end is welded to the top of the support base frame 11, forming a "triangular stable structure" to distribute the concentrated load transmitted from the support column 12 to the base frame and prevent bending at the base of the support column 12.

[0029] Reference Figure 1The limiting ribs 3 consist of four trapezoidal steel plates, which are welded to the four corners of the supporting base frame 11. The limiting ribs 3 are used to abut against the edge of the hydraulic handling trolley platform to prevent the tooling from moving horizontally during the lifting process.

[0030] Reference Figure 1 On the top of the other two sides of the supporting base frame 11, two handles 6 are symmetrically welded to facilitate the operator's handling and fine-tuning of the tooling position.

[0031] The implementation principle of the anti-roll device disassembly and installation fixture in this application embodiment is as follows: First, the operator uses handle 6 to move the tooling to the work position and places it stably in the center of the platform of the hydraulic transport trolley, ensuring that the four limiting ribs 3 at the bottom of the tooling are in contact with and locked in place with the edge of the trolley platform. Then, the anti-roll torsion bar of the anti-roll device is hoisted or lifted to the top of the tooling, so that it is stably locked into the U-shaped limiting groove 21 of the limiting block 2. Finally, the hydraulic transport trolley is started to lift the platform, and the platform drives the entire tooling and torsion bar to rise steadily and vertically. Because the torsion bar is effectively constrained by the U-shaped groove, its relative position with the tooling remains fixed. This tooling achieves the goals of rapid centering, stable support and safe operation during disassembly and installation.

[0032] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A tooling for disassembling and installing an anti-rollover device, characterized in that, It includes a support frame (1), a limiting block (2) set on the top of the support frame (1), and a limiting rib (3) set on the side of the support frame (1) and snapped into the external lifting platform. The limiting block (2) has a U-shaped limiting groove (21) for the external torsion bar to snap into.

2. The anti-rollover device disassembly and installation fixture according to claim 1, characterized in that, The support frame (1) is in the shape of an inverted "T"; the support frame (1) includes a horizontally arranged support base frame (11) and support columns (12) vertically set on the top of both sides of the support base frame (11), the support columns (12) are located in the middle of the top of both sides of the support base frame (11); the limiting block (2) is set on the top of the support column (12).

3. The anti-rollover device disassembly and installation fixture according to claim 2, characterized in that, The number of limiting ribs (3) is four, and the four limiting ribs (3) are respectively set at the four corners of the supporting bottom frame (11).

4. The anti-rollover device disassembly and installation fixture according to claim 2, characterized in that, At least two sets of transverse reinforcing bars (121) are provided between the two support columns (12).

5. The anti-rollover device disassembly and installation fixture according to claim 4, characterized in that, The number of the transverse reinforcing rods (121) is two sets, and the two sets of transverse reinforcing rods (121) are arranged above and below the support column (12).

6. The anti-rollover device disassembly and installation fixture according to claim 2, characterized in that, Reinforcing ribs (4) are provided between the two sides of the support column (12) and the support base frame (11).

7. The anti-rollover device disassembly and installation fixture according to claim 2, characterized in that, The limiting block (2) and the support column (12) are fixedly connected by bolts (5).

8. The anti-rollover device disassembly and installation fixture according to claim 2, characterized in that, The supporting base frame (11) has handles (6) on the top of its other two sides.

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