Device suitable for sanding work of anti-side-rolling torsion bar
By designing a device for maintenance of anti-rolling torsion rods of EMUs, the lifting and lowering of anti-rolling torsion rods and the left and right movement of the sleeve is achieved by using hydraulic hoisting rods and track systems, the problems of shaft scratches and manual operation strength caused by sleeve movement during maintenance are solved, and maintenance efficiency and product quality are improved.
Patent Information
- Application Number
- CN202421864861.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-02
- Publication Date
- 2025-05-30
- Estimated Expiration
- 2034-08-02
AI Technical Summary
During the sand repair and sanding process of EMU EMU EMU EMU siding unit, the outer protective sleeve needs to be moved left and right to the base of the torsion arm, which is at risk of scratching the machining surface of the anti-routing torsion shaft, and two people need to cooperate with each other at the same time, which is time-consuming and labor-intensive.
A device is designed, including a base, a bracket, a track, a hydraulic hoist and a pin rod control component, which can realize the lifting and lowering of the anti-roll torsion bar and the movement of the sleeve left and right. The sleeve is driven by the moving of the hydraulic hoist on the track, reducing the strength and risk of manual operation.
It effectively reduces the risk of scratching the torsion shaft due to moving sleeves during sand repair and sand making of anti-siding torsion bars, reduces the labor intensity of workers, and improves maintenance efficiency and product quality.
Smart Images

Figure CN222920250U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the technical field of EMU vehicle maintenance, and specifically relates to a device suitable for the sandblasting work of anti-roll torsion bars. Background Art
[0002] During the sandblasting process of the anti-roll torsion bar of the EMU (Electric Multiple Units), the outer protective sleeve needs to be moved left and right to the root of the torsion arm. During the process of workers moving the sleeve, there is a risk that the inner arm of the sleeve may scratch and scrap the machined surface of the anti-roll torsion bar shaft. Moreover, moving the sleeve requires two people to cooperate simultaneously, which is time-consuming and laborious.
[0003] Therefore, to meet the actual needs, a device suitable for the sandblasting work of anti-roll torsion bars is provided. Summary of the Invention
[0004] Aiming at the defects existing in the prior art, the purpose of this application is to provide a device suitable for the sandblasting work of anti-roll torsion bars, which can realize the lifting of the anti-roll torsion bar and the left and right movement of the sleeve, effectively reduce the risk of scratching the torsion bar shaft during the sandblasting process of the anti-roll torsion bar maintenance, and at the same time reduce the labor intensity of workers and ensure the product quality of the anti-torsion bar maintenance.
[0005] To achieve the above object, the technical solution adopted by this application is:
[0006] This application provides a device suitable for the sandblasting work of anti-roll torsion bars, and the device includes:
[0007] A base;
[0008] A pair of brackets arranged at both ends of the base;
[0009] A track is arranged on the base, and the track is located between the two brackets;
[0010] A plurality of hydraulic jacks with the bottom arranged on the track;
[0011] A jack control component, which is used to control the hydraulic jacks to rise or fall, and is also used to control the hydraulic jacks to move in the length direction of the track;
[0012] A pair of limit switches arranged on both sides of the track, which control the hydraulic jacks to stop moving in the length direction of the track when touched; wherein,
[0013] A hanging structure for hanging the anti-roll torsion bar is arranged at the top of the bracket.
[0014] On the basis of the above technical solution, the base is a long strip-shaped plate structure.
[0015] Based on the above technical solution, the hanging structure is a fixing hole or a bolt structure or a fixing column.
[0016] Based on the above technical solution, each of the hydraulic jacks is configured to rise or fall synchronously.
[0017] Based on the above technical solution, each of the hydraulic jacks moves synchronously on the track.
[0018] Based on the above technical solution, each of the hydraulic jacks is arranged at intervals on the track.
[0019] Based on the above technical solution, the orientation of a pair of the limit switches and the two hydraulic jacks located at both ends is configured such that when each of the hydraulic jacks drives the sleeve of the anti-roll torsion bar and the end face of the sleeve abuts against the inner side of the torsion arm, the two hydraulic jacks located at both ends correspondingly touch the limit switches on the same side.
[0020] Based on the above technical solution, the bottom of the hydraulic jack is slidably arranged on the track.
[0021] Based on the above technical solution, the bottom of the hydraulic jack is fixedly arranged on the track;
[0022] The track is a sliding track and is configured to drive the hydraulic jack to move in the length direction of the track.
[0023] Based on the above technical solution, the top of the hydraulic jack is provided with an arc-shaped lifting structure.
[0024] Compared with the prior art, the advantages of the present application are as follows:
[0025] The present application can realize the lifting of the anti-roll torsion bar and the left and right movement of the sleeve, effectively reducing the risk of scratching the torsion bar shaft due to moving the sleeve during the overhaul and sandblasting of the anti-roll torsion bar. At the same time, the labor intensity of workers is reduced, and the product quality of the anti-torsion bar overhaul is ensured. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.
[0027] Figure 1 It is a schematic structural diagram of the device applicable to the sandblasting work of the anti-roll torsion bar in the embodiment of the present application;
[0028] Figure 2Side view of the device applicable to the sandblasting work of the anti-roll bar according to the embodiment of the present application;
[0029] Figure 3 Schematic assembly structure diagram of the device applicable to the sandblasting work of the anti-roll bar and the anti-roll bar according to the embodiment of the present application;
[0030] Figure 4 Side view of the assembly structure of the device applicable to the sandblasting work of the anti-roll bar and the anti-roll bar according to the embodiment of the present application;
[0031] In the figure:
[0032] 1. Base; 2. Bracket; 20. Suspension structure; 3. Track; 4. Hydraulic jack; 40. Arc-shaped lifting structure; 5. Jack control component; 6. Limit switch; A. Torsion arm; B. Connecting rod; C. Sleeve. Detailed implementation manners
[0033] To make the objectives, technical solutions, and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Apparently, the described embodiments are some but not all of the embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present application without creative efforts shall fall within the protection scope of the present application.
[0034] The embodiments of the present application will be further described in detail below with reference to the accompanying drawings.
[0035] The embodiment of the present application provides a device applicable to the sandblasting work of the anti-roll bar, which can realize the lifting of the anti-roll bar and the left and right movement of the sleeve, effectively reduce the risk of scratching the torsion bar shaft when moving the sleeve during the overhaul and sandblasting of the anti-roll bar, and at the same time reduce the labor intensity of workers and ensure the product quality of the anti-torsion bar overhaul.
[0036] To achieve the above technical effects, the general idea of the present application is as follows:
[0037] A device applicable to the sandblasting work of the anti-roll bar, the device includes:
[0038] Base 1;
[0039] A pair of brackets 2 arranged at both ends of the base 1;
[0040] A track 3 is arranged on the base 1, and the track 3 is located between the two brackets 2;
[0041] A plurality of hydraulic jacks 4 with the bottom arranged on the track 3;
[0042] The ejector rod control component 5 is used to control the lifting or lowering of the hydraulic ejector rod 4 and is also used to control the movement of the hydraulic ejector rod 4 in the longitudinal direction of the track 3;
[0043] A pair of limit switches 6 arranged on both sides of the track 3, which control the hydraulic ejector rod 4 to stop moving in the longitudinal direction of the track 3 when touched; wherein,
[0044] A hanging structure 20 for hanging the anti-roll torsion bar is arranged at the top of the bracket 2.
[0045] The embodiments of the present application will be further described in detail below with reference to the accompanying drawings.
[0046] See Figures 1 to 4 As shown, the embodiments of the present application provide a device suitable for the sandblasting work of the anti-roll torsion bar. The device includes:
[0047] A base 1;
[0048] A pair of brackets 2 arranged at both ends of the base 1;
[0049] A track 3 is arranged on the base 1, and the track 3 is located between the two brackets 2;
[0050] A plurality of hydraulic ejector rods 4 with their bottoms arranged on the track 3;
[0051] The ejector rod control component 5 is used to control the lifting or lowering of the hydraulic ejector rod 4 and is also used to control the movement of the hydraulic ejector rod 4 in the longitudinal direction of the track 3;
[0052] A pair of limit switches 6 arranged on both sides of the track 3, which control the hydraulic ejector rod 4 to stop moving in the longitudinal direction of the track 3 when touched; wherein,
[0053] A hanging structure 20 for hanging the anti-roll torsion bar is arranged at the top of the bracket 2.
[0054] It should be noted that an arc-shaped lifting structure 40 for lifting the sleeve of the anti-roll torsion bar or a friction gasket for increasing the friction coefficient at its top end can be arranged at the top of the hydraulic ejector rod 4.
[0055] It should be noted that as shown in Figure 3 and Figure 4 of the accompanying drawings of the specification;
[0056] The anti-roll torsion bar includes a torsion arm A, a connecting rod B, and a sleeve C;
[0057] That is, a torsion arm A is connected to each end of the connecting rod B, and the sleeve C is slidably sleeved on the connecting rod B.
[0058] The technical solution of the embodiment of the present application can realize the lifting of the anti-roll bar and the left-right movement of the sleeve, effectively reducing the risk of scratching the torsion bar shaft due to moving the sleeve during the overhaul and sandblasting of the anti-roll bar. At the same time, it reduces the labor intensity of workers and ensures the product quality of the anti-torsion bar overhaul.
[0059] Further, the base 1 is a long strip plate-like structure.
[0060] Further, the hanging structure 20 is a fixing hole or a bolt structure or a fixing column;
[0061] Specifically, the structure to be adopted can be selected according to the structures at both ends of the anti-torsion bar to be hung.
[0062] Further, each of the hydraulic jacks 4 is configured to rise or fall synchronously.
[0063] Further, each of the hydraulic jacks 4 moves synchronously on the track 3.
[0064] Further, each of the hydraulic jacks 4 is arranged at intervals on the track 3.
[0065] Further, the orientation of a pair of the limit switches 6 and the two hydraulic jacks 4 located at both ends is configured such that when each of the hydraulic jacks 4 drives the sleeve of the anti-roll bar and the end face of the sleeve abuts against the inner side face of the torsion arm, the two hydraulic jacks 4 located at both ends respectively touch the limit switches 6 on the same side.
[0066] Further, the bottom of the hydraulic jack 4 is slidably arranged on the track 3.
[0067] Further, the bottom of the hydraulic jack 4 is fixedly arranged on the track 3;
[0068] The track 3 is a sliding track and is configured to drive the hydraulic jack 4 to move in the length direction of the track 3.
[0069] Based on the technical solution of the embodiment of the present application, a specific operation process is given as follows:
[0070] First step, lower all the hydraulic jacks 4, hang the anti-roll bar on the hanging structure 20 at the top of the bracket 2, and fix it with nuts;
[0071] Second step, after the anti-roll torsion bar is fixed, raise all the hydraulic jacks 4, and click "Jack Left" or "Jack Right" on the operation surface interface of the jack control component 5 to move the hydraulic jacks 4 to drag the sleeve of the anti-roll torsion bar to move left or right simultaneously. When the end face of the sleeve of the anti-roll torsion bar touches the inner side of the torsion arm of the anti-roll torsion bar, the hydraulic jacks 4 at both the left and right ends will touch the limit switch 6, causing the left and right movement of the limit switch 6 to stop automatically.
[0072] In the description of the present application, it should be noted that the orientation or positional relationship indicated by terms such as "upper" and "lower" is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present application. Unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.
[0073] It should be noted that in the present application, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including a..." does not exclude the existence of additional identical elements in the process, method, article or device including the said element.
[0074] The above are only specific embodiments of the present application, enabling those skilled in the art to understand or implement the present application. Various modifications to these embodiments will be obvious to those skilled in the art. The general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments shown herein, but rather to the broadest scope consistent with the principles and novel features claimed herein.
Claims
1. A device suitable for anti-roll torsion bar sand blasting, characterized in that: The device comprises: Base (1); A pair of brackets (2) arranged at two ends of the base (1); A track (3) is arranged on the base (1), and the track (3) is located between the two brackets (2); A plurality of hydraulic push rods (4) whose bottoms are arranged on the track (3); A push rod control component (5) for controlling the hydraulic push rod (4) to rise or fall, and for controlling the hydraulic push rod (4) to move in the length direction of the track (3); A pair of limit switches (6) are arranged on both sides of the track (3), and when they are touched, they control the hydraulic push rod (4) to stop moving in the length direction of the track (3); wherein, The top of the bracket (2) is provided with a hanging structure (20) for hanging an anti-roll torsion bar.
2. The device for anti-roll torsion bar sandblasting as claimed in claim 1, characterized in that: The base (1) is a long strip-shaped plate-like structure.
3. The device for anti-roll torsion bar sandblasting as claimed in claim 1, characterized in that: The hanging structure (20) is a fixing hole or a bolt structure or a fixing column.
4. The device for anti-roll torsion bar sandblasting as claimed in claim 1, characterized in that: Each of the hydraulic jacks (4) is configured to rise or fall synchronously.
5. The device for anti-roll torsion bar sandblasting as claimed in claim 1, characterized in that: Each of the hydraulic push rods (4) moves synchronously on the track (3).
6. The device for anti-roll torsion bar sandblasting as claimed in claim 1, characterized in that: The hydraulic push rods (4) are arranged at intervals on the track (3).
7. The device for anti-roll torsion bar sandblasting as claimed in claim 1, characterized in that: The positions of the pair of limit switches (6) and the two hydraulic push rods (4) located at the two ends are configured such that when each hydraulic push rod (4) drives the sleeve of the anti-roll torsion bar so that the end surface of the sleeve touches the inner side surface of the torsion arm, the two hydraulic push rods (4) located at the two ends correspondingly touch the limit switches (6) on the same side.
8. The device for anti-roll torsion bar sandblasting as claimed in claim 1, characterized in that: The bottom of the hydraulic push rod (4) is slidably arranged on the track (3).
9. The device for anti-roll torsion bar sandblasting as claimed in claim 1, characterized in that: The bottom of the hydraulic push rod (4) is fixedly arranged on the track (3); The track (3) is a sliding track, and is configured to drive the hydraulic push rod (4) to move in the length direction of the track (3).
10. The device for anti-roll torsion bar sandblasting as claimed in claim 1, characterized in that: An arc-shaped lifting structure (40) is provided on the top of the hydraulic jack (4).