Top pulling device special for retarder
By designing a special top-reducing roof deceleration including motherboard and clamping components, the problem of plugging and unplugging caused by the lack of special tools is solved, and the oil cylinder is easily plugged and unplugged and efficient maintenance is achieved, and safety and applicability are improved.
Patent Information
- Application Number
- CN202422298477.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-20
- Publication Date
- 2025-06-10
- Estimated Expiration
- 2034-09-20
AI Technical Summary
In the daily maintenance of the slow-down top, the lack of a dedicated top pull-out tool makes it difficult to insert and unplug the oil cylinder with fingers, which can easily cause finger injuries, especially in low-temperature environments to insert and unplug.
A special top-reducing roof is designed, including the motherboard and the clamping assembly. The clamping assembly is connected to the mushroom head of the cylinder, changing the focus point, making the force more convenient, and the design of the screw and the moving ring can easily plug and unplug the cylinder.
This device greatly reduces the difficulty of inserting and unplugging the oil cylinder, improves maintenance efficiency, reduces the risk of finger injury, and can still work stably in low-temperature environments.
Smart Images
Figure CN222959812U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of retarders, in particular to a special retarder extractor. Background Technique
[0002] Controlled retarders and retarders are installed in the marshalling yard of railway stations, which effectively ensure the safety of shunting operations, improve the efficiency of shunting operations, and make positive contributions to the safe and smooth railway transportation. The importance of the role of retarders and daily maintenance is particularly prominent.
[0003] In the actual use process, retarders will also encounter some common problems. Especially in the working environment of high temperature and high load for a long time, the internal components of the retarder, such as the elastic cylindrical pins on the anti-ram seat of the oil cylinder body, are easily damaged. Since these components are located deep inside the retarder and are hidden, it is very difficult to be detected in time during daily maintenance operations. In order to detect and eliminate the hidden dangers of the internal components of the retarder in time, extraction detection has become a necessary maintenance method. Through extraction detection, the state of the elastic cylindrical pins can be directly judged whether it is normal.
[0004] In traditional maintenance operations, due to the lack of special extraction tools, it is completed by pulling up the mushroom head of the oil cylinder with fingers, which is time-consuming and laborious. If the finger cannot pull it out at one time and slips due to insufficient force, it is easy to cause finger injuries. Especially in winter, the sealing rubber ring of the retarder shell hardens due to the influence of low temperature and has no shrinkage elasticity, making it more difficult to insert and extract the oil cylinder. Therefore, it is particularly important to develop a special tool that can efficiently and conveniently perform extraction detection. Content of the Utility Model
[0005] The purpose of the utility model is to provide a special retarder extractor to solve the problems raised in the above background technique.
[0006] To achieve the above purpose, the utility model provides the following technical solution: a special retarder extractor, including a main board, a clamping component is installed on the top of the main board, the clamping component includes a limiting frame fixedly connected to the outer wall of the top of the main board, three limiting grooves are opened inside the limiting frame, a moving plate is slidably connected to each of the three limiting grooves, and a clamping plate is fixedly connected to one end of the bottom of each of the three moving plates, and the concave surfaces of the plurality of clamping plates are arranged close to each other.
[0007] As a further preference of this technical solution, a screw rod is rotatably connected to the outer wall of the top of the main board, a moving ring is threadedly connected to the outside of the screw rod, and three push rods are rotatably connected to the outside of the moving ring, and the three push rods are respectively rotatably connected to the plurality of moving plates.
[0008] It can achieve the connection with the mushroom head of the retarder cylinder, changing the force point into a handle, making it more convenient to exert force, greatly reducing the difficulty of inserting and removing the cylinder, and can also adjust the spacing of the moving plate according to the cylinder model, which is beneficial to increasing the adaptability of the device. The driving screw rotates on the top of the main board. Since the moving ring is restricted by the push rod and cannot rotate, when the screw rotates, the moving ring will be driven to move vertically, and the projection distance of the push rod also changes. The moving plate will be driven to move along the limiting groove, and the position of the clamping plate connected to the moving plate can just clamp the mushroom head of the cylinder. At this time, as long as the main board slides on the top of the cylinder, when the clamping component is clamped with the cylinder, the handle can easily remove the cylinder through the clamping plate.
[0009] As a further preference of this technical solution, a fixing component is installed inside the main board. The fixing component includes a top rod slidably inserted inside the main board. One end of the top of the top rod is fixedly connected with a handle, and the same spring is fixedly connected between the handle and the main board. Both the top rod and the spring are located at the middle position of the screw.
[0010] As a further preference of this technical solution, one end of the bottom of the top rod is fixedly connected with a fixing block, and the lower half of the fixing block is made of rubber material.
[0011] Grasp the handle with your fingers and pull it upward. The spring will gradually lengthen under the action of external force. The handle drives the top rod to move upward synchronously. After the clamping is completed, release the restriction of the handle. The spring will recover and drive the top rod and the fixing block to move downward again until the fixing block tightly presses on the surface of the cylinder, which can ensure that the state of the device and the cylinder is stable enough and will not easily come off, facilitating the back-insertion work.
[0012] As a further preference of this technical solution, one end of the top of the main board is fixedly connected with a handle, and the other end of the handle is fixedly connected with the main board through a connecting rod.
[0013] As a further preference of this technical solution, a stabilizing rod is fixedly connected to the outer wall of the top of the main board, and the stabilizing rod is slidably inserted inside the moving ring.
[0014] As a further preference of this technical solution, the lead angle of the screw is less than the equivalent friction angle.
[0015] The utility model provides a special pulling device for retarders, which has the following beneficial effects:
[0016] (1) By providing a clamping component, the utility model can achieve connection with the mushroom head of the retarder cylinder, changing the force application point to the handle, making it more convenient to apply force, greatly reducing the difficulty of inserting and removing the cylinder, and can also adjust the distance between the moving plates according to the cylinder model, which is beneficial to increasing the adaptability of the device. Driving the screw to rotate on the top of the main board, since the moving ring is restricted by the push rod and cannot rotate, when the screw rotates, the moving ring will be driven to move vertically, and the projected distance of the push rod also changes, and the moving plate will be driven to move along the limiting groove, and the position of the clamping plate connected to the moving plate can just clamp the mushroom head of the cylinder. At this time, as long as the main board is slid on the top of the cylinder, when the clamping component is clamped with the cylinder, the handle can easily remove the cylinder through the clamping plate.
[0017] (2) By providing a fixing component, when the finger grabs the handle and pulls it upward, the spring will gradually elongate under the action of the external force, and the handle drives the ejector rod to move upward synchronously. After the clamping is completed, the restriction of the handle is released, and the spring will recover and drive the ejector rod and the fixing block to move downward again until the fixing block tightly presses on the surface of the cylinder, which can ensure that the state of the device and the cylinder is stable enough and will not easily come off, facilitating the back-insertion work. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 is the schematic structural diagram of the whole of the utility model from the first perspective;
[0019] Figure 2 is the schematic structural diagram of the whole of the utility model from the second perspective;
[0020] Figure 3 is the enlarged schematic structural diagram of the partial part of the utility model;
[0021] Figure 4 is of the utility model Figure 2 the enlarged schematic structural diagram at A in;
[0022] In the figure: 1, main board; 2, handle; 3, stabilizing rod; 4, clamping component; 5, fixing component; 401, limiting frame; 402, limiting groove; 403, moving plate; 404, push rod; 405, screw; 406, moving ring; 407, clamping plate; 501, ejector rod; 502, handle; 503, spring; 504, fixing block. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0023] The following will clearly and completely describe the technical solutions in the embodiments of the utility model with reference to the accompanying drawings in the embodiments of the utility model.
[0024] The utility model provides the technical solutions: As Figure 1 and Figure 4As shown in the figure, in this embodiment, a special decelerating roof puller includes a main board 1. A clamping component 4 is installed on the top of the main board 1. The clamping component 4 includes a limiting frame 401 fixedly connected to the outer wall of the top of the main board 1. Three limiting slots 402 are opened inside the limiting frame 401. A moving board 403 is slidably connected to each of the three limiting slots 402. One end of the bottom of each of the three moving boards 403 is fixedly connected to a clamping board 407, and the concave surfaces of the multiple clamping boards 407 are arranged close to each other.
[0025] A screw rod 405 is rotatably connected to the outer wall of the top of the main board 1. A moving ring 406 is threadedly connected to the outside of the screw rod 405. Three push-pull rods 404 are rotatably connected to the outside of the moving ring 406, and the three push-pull rods 404 are respectively rotatably connected to the multiple moving boards 403.
[0026] Adjust the distance between each clamping board 407 according to the cylinder to be inserted and pulled out. Drive the screw rod 405 to rotate on the top of the main board 1 through the rotating ring. Since the moving ring 406 is restricted by the push-pull rod 404 and cannot rotate, when the screw rod 405 rotates, it will drive the moving ring 406 to move vertically, and the projected distance of the push-pull rod 404 also changes. The moving board 403 will be driven to move along the limiting slot 402, and the position of the clamping board 407 connected to the moving board 403 can just clamp the mushroom head of the cylinder. At this time, as long as the main board 1 is moved and slid on the top of the cylinder, when the clamping component 4 is clamped with the cylinder, the handle 2 can easily remove the cylinder through the clamping board 407.
[0027] As Figure 1 and Figure 3 As shown in the figure, a fixing component 5 is installed inside the main board 1. The fixing component 5 includes a top rod 501 slidably inserted into the main board 1. One end of the top of the top rod 501 is fixedly connected to a handle 502. A same spring 503 is fixedly connected between the handle 502 and the main board 1. The top rod 501 and the spring 503 are both located at the middle position of the screw rod 405.
[0028] One end of the bottom of the top rod 501 is fixedly connected to a fixing block 504, and the lower half of the fixing block 504 is made of rubber material.
[0029] Grasp the handle 502 with fingers and pull it upward. The spring 503 will gradually become longer under the action of external force. The handle 502 drives the top rod 501 to move upward synchronously. After the clamping is completed, release the restriction of the handle 502. The spring 503 will recover and drive the top rod 501 and the fixing block 504 to move downward again until the fixing block 504 tightly presses on the surface of the cylinder, which can ensure that the state of the device and the cylinder is stable enough and will not easily separate, so as to facilitate the back-insertion work.
[0030] As Figure 1 and Figure 2As shown in the figure, one end of the top of the main board 1 is fixedly connected with a handle 2, and the other end of the handle 2 is fixedly connected with the main board 1 through a connecting rod, making the force application process more convenient.
[0031] As Figure 1 and Figure 2 shown, a stabilizing rod 3 is fixedly connected to the outer wall of the top of the main board 1, and the stabilizing rod 3 is slidably inserted into the inside of the moving ring 406. Under its action, the state of the moving ring 406 can be ensured to be more stable.
[0032] As Figure 1 and Figure 2 shown, the lead angle of the screw 405 is less than the equivalent friction angle, making it have a self-locking property, and indirectly ensuring that the position of the clamping plate 407 will not change randomly.
[0033] The present utility model provides a special pulling device for a retarder, and the specific working principle is as follows:
[0034] When the device works, the distance between each clamping plate 407 is adjusted according to the oil cylinder to be inserted or pulled out. By rotating the rotating ring
[0035] to drive the screw 405 to rotate on the top of the main board 1. Since the moving ring 406 is restricted by the push rod 404 and cannot rotate, when the screw 405 rotates, it will drive the moving ring 406 to move vertically, and the projected distance of the push rod 404 also changes. The moving plate 403 will be driven to move along the limiting groove 402, and the position of the clamping plate 407 connected to the moving plate 403 can just clamp the mushroom head of the oil cylinder. At this time, as long as the main board 1 is slid on the top of the oil cylinder, when the clamping component 4 is clamped with the oil cylinder, the handle 2 can easily remove the oil cylinder through the clamping plate 407.
[0036] During this period, the finger grabs the handle 502 and pulls it upward, and the spring 503 will gradually become longer under the action of the external force. The handle 502 drives the ejector rod 501 to move upward synchronously. After the clamping is completed, the restriction of the handle 502 is released, and the spring 503 will recover and drive the ejector rod 501 and the fixed block 504 to move downward again until the fixed block 504 tightly presses on the surface of the oil cylinder, ensuring that the state of the device and the oil cylinder is stable enough and will not easily come off, facilitating the back-insertion work.
[0037] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.
Claims
1. A special puller for a speed reducer, comprising a main board (1), characterized in that: A snap-on assembly (4) is installed on the top of the main board (1), and the snap-on assembly (4) comprises a limit frame (401) fixedly connected to the outer wall of the top of the main board (1), three limit slots (402) are provided inside the limit frame (401), a movable plate (403) is slidably connected inside each of the three limit slots (402), a snap-on plate (407) is fixedly connected to one end of the bottom of each of the three movable plates (403), and the concave surfaces of the plurality of snap-on plates (407) are arranged close to each other.
2. A special top puller for a retarder according to claim 1, characterized in that: The top outer wall of the main board (1) is rotatably connected to a screw rod (405), the screw rod (405) is externally threadedly connected to a moving ring (406), the moving ring (406) is externally rotatably connected to three push-pull rods (404), and the three push-pull rods (404) are rotatably connected to a plurality of moving plates (403) respectively.
3. A special top puller for a retarder according to claim 1, characterized in that: A fixing component (5) is installed inside the main board (1), and the fixing component (5) comprises a top rod (501) slidably inserted inside the main board (1), a handle (502) is fixedly connected to one end of the top of the top rod (501), a spring (503) is fixedly connected between the handle (502) and the main board (1), and the top rod (501) and the spring (503) are both located in the middle of the screw rod (405).
4. A special top puller for a retarder according to claim 3, characterized in that: One end of the bottom of the top rod (501) is fixedly connected to a fixing block (504), and the lower half of the fixing block (504) is made of rubber material.
5. A special top puller for a retarder according to claim 1, characterized in that: A handle (2) is fixedly connected to one end of the top of the main board (1), and the other end of the handle (2) is fixedly connected to the main board (1) via a connecting rod.
6. A special top puller for a retarder according to claim 1, characterized in that: A stabilizing rod (3) is fixedly connected to the top outer wall of the main board (1), and the stabilizing rod (3) is slidably inserted into the interior of the moving ring (406).
7. A special top puller for a retarder according to claim 2, characterized in that: The thread lead angle of the screw (405) is smaller than the equivalent friction angle.