A polishing and grinding device for hydraulic supports
By designing clamping and grinding mechanisms that adapt to different lengths and diameters, the problem of low efficiency in traditional hydraulic support polishing and grinding devices has been solved, achieving high-precision and high-efficiency hydraulic support processing.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIYUAN GAOKAI IND CO LTD
- Filing Date
- 2025-05-14
- Publication Date
- 2026-05-26
AI Technical Summary
Traditional hydraulic prop polishing and grinding devices are inefficient and cannot effectively adjust the clamping mechanism to adapt to hydraulic props of different lengths, resulting in low processing accuracy and frequent tooling changes, which affects processing efficiency.
A hydraulic strut polishing and grinding device including a clamping mechanism and a grinding mechanism was designed. The combination of clamping plate, threaded rod and rotating seat can achieve stable clamping of hydraulic struts of different lengths, and the cooperation of moving seat and adjusting plate can achieve grinding of hydraulic struts of different diameters. The drive motor and gear set are used to improve the processing stability.
It improves the flexibility and versatility of polishing and grinding hydraulic supports, reduces shaking during processing, and improves processing accuracy and efficiency.
Smart Images

Figure CN224274531U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of polishing and grinding technology, specifically to a polishing and grinding device for a hydraulic support. Background Technology
[0002] As a key component in hydraulic equipment, the surface quality of hydraulic props directly affects their sealing performance and service life. During the manufacturing and maintenance of hydraulic props, their outer surface needs to be polished and ground with high precision to remove oxide layers, burrs and surface defects, which places high demands on the stability and adaptability of the processing equipment.
[0003] Traditional polishing processes often involve manual operation with simple fixtures. However, traditional processing methods often have certain problems during the polishing process. Existing clamping mechanisms mostly use fixed structures, which cannot be effectively adjusted according to the length of the hydraulic support. This can lead to radial runout when processing long workpieces, affecting the surface finish. On the other hand, when dealing with hydraulic supports of different specifications, tooling needs to be changed frequently, which affects processing efficiency. Therefore, a device is needed to solve the above problems. Utility Model Content
[0004] To address the shortcomings of existing technologies, this utility model provides a polishing and grinding device for hydraulic supports, which solves the problem of low efficiency in existing polishing and grinding devices.
[0005] To achieve the above objectives, this utility model is implemented through the following technical solution: a polishing and grinding device for a hydraulic support, comprising an operating table, a clamping mechanism and a grinding mechanism, wherein the operating table is provided with a driving end and a clamping end at both ends;
[0006] The clamping mechanism includes a clamping plate, a first threaded rod, and a rotating seat. The clamping plate is slidably disposed on the upper surface of the operating table. The first threaded rod is threadedly connected to the middle of the clamping end and rotatably connected to the clamping plate. There are two rotating seats, which are respectively rotatably disposed on the driving end and the inner wall of the clamping plate. A replacement head is connected to one side of the rotating seat through a snap-fit mechanism.
[0007] The polishing mechanism includes a movable seat, an adjusting plate, and a polishing plate. The movable seat is slidably disposed on the upper surface of the operating table, the adjusting plate is disposed on one side of the movable seat, and the polishing plate is hinged to one side of the adjusting plate.
[0008] Optionally, the upper surface of the operating table is provided with a rack, and a drive wheel is rotatably connected inside the movable seat. The drive wheel meshes with the rack, and a handwheel is provided on the front of the movable seat to drive the drive wheel to rotate.
[0009] Optionally, the movable seat is internally threaded with a second threaded rod, one end of which is rotatably connected to the back of the adjusting plate to adjust the relative distance between the adjusting plate and the movable seat.
[0010] Optionally, a guide post is fixedly connected to the side of the adjusting plate near the movable seat, and the guide post passes through the movable seat.
[0011] Optionally, the grinding plate is arc-shaped, a compression spring is provided on the back of the grinding plate, one end of the compression spring is fixedly connected to the adjustment plate, and a grinding pad is detachably provided on the front of the grinding plate.
[0012] Optionally, a drive motor is provided on the back of the drive end, and the drive motor meshes with the back of the rotating seat through a gear set to drive the rotating seat to rotate.
[0013] Optionally, the locking mechanism includes a slot, a insert plate, and a fixing bolt. The slot is located on the front of the rotating seat, the insert plate is fixedly connected to the back of the replacement head, the insert plate is inserted into the slot, and the fixing bolt is threadedly connected to the rotating seat and inserted into the insert plate.
[0014] Optionally, the upper surface of the operating table is provided with a slide groove along the length direction, and the bottom of the clamping plate is guided and connected to the slide groove.
[0015] This utility model provides a polishing and grinding device for hydraulic supports, which has the following beneficial effects:
[0016] This utility model provides a polishing and grinding device for hydraulic props. Through the cooperation of the clamping mechanism and the drive end, the hydraulic prop can be clamped and fixed, reducing shaking during processing. In addition, with the cooperation of the first threaded rod, the position of the clamping plate can be adjusted to accommodate hydraulic props of different lengths, improving the flexibility of the device during use. Through the cooperation of the moving seat, the adjusting plate and the grinding plate, the moving seat can move along the axial direction of the hydraulic prop, and the grinding plate polishes the outer surface of the hydraulic prop. With the cooperation of the adjusting plate, hydraulic props of different diameters can be ground, further improving the versatility of the device. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the structure of this utility model;
[0018] Figure 2 This is a schematic diagram of the structure of the rotating seat of this utility model;
[0019] Figure 3 This is a side sectional view of the movable seat of this utility model.
[0020] In the diagram: 1. Operating table; 2. Drive end; 3. Clamping end; 4. Clamping plate; 5. First threaded rod; 6. Rotating seat; 7. Replacement head; 8. Moving seat; 9. Adjusting plate; 10. Grinding plate; 11. Rack; 12. Drive wheel; 13. Second threaded rod; 14. Guide post; 15. Compression spring; 16. Grinding pad; 17. Drive motor; 18. Slot; 19. Insert plate; 20. Fixing bolt; 21. Slide groove; 22. Handwheel. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.
[0022] Please see Figures 1 to 3 This utility model provides a technical solution: a polishing and grinding device for a hydraulic support, including an operating table 1, a clamping mechanism and a grinding mechanism, wherein the two ends of the operating table 1 are respectively provided with a driving end 2 and a clamping end 3.
[0023] The clamping mechanism includes a clamping plate 4, a first threaded rod 5, and a rotating seat 6. The clamping plate 4 is slidably disposed on the upper surface of the operating table 1. The first threaded rod 5 is threadedly connected to the middle of the clamping end 3 and rotatably connected to the clamping plate 4. There are two rotating seats 6, which are respectively rotatably disposed on the inner wall of the driving end 2 and the clamping plate 4. A replacement head 7 is connected to one side of the rotating seat 6 through a snap-fit mechanism.
[0024] The grinding mechanism includes a movable seat 8, an adjusting plate 9, and a grinding plate 10. The movable seat 8 is slidably disposed on the upper surface of the operating table 1, the adjusting plate 9 is disposed on one side of the movable seat 8, and the grinding plate 10 is hinged to one side of the adjusting plate 9.
[0025] When the first threaded rod 5 is rotated, the clamping plate 4 can be pushed to one end, thereby clamping and fixing the hydraulic support with the drive end 2. The rotating seats 6 on both sides clamp and fix the hydraulic support in the middle, and at the same time, the hydraulic support can rotate together with the rotating seats 6 on both sides. The replacement head 7 is connected to the rotating seat 6 through a snap-fit structure. When grinding hydraulic supports of different diameters, the diameter of the replacement head 7 can be changed so that it can clamp hydraulic supports of different diameters. The moving seat 8 moves along the axial direction of the hydraulic support. The grinding plate 10 is attached to the outer surface of the hydraulic support and grinds and polishes the outer surface of the hydraulic support during the rotation of the hydraulic support.
[0026] In this embodiment, as a preferred option, the upper surface of the operating table 1 is provided with a rack 11, and the interior of the movable seat 8 is rotatably connected with a drive wheel 12, which meshes with the rack 11. The front of the movable seat 8 is provided with a handwheel 22 to drive the drive wheel 12 to rotate. The interior of the movable seat 8 is threadedly connected with a second threaded rod 13, one end of which is rotatably connected to the back of the adjusting plate 9 to adjust the relative distance between the adjusting plate 9 and the movable seat 8. The side of the adjusting plate 9 near the movable seat 8 is fixedly connected with a guide post 14, which passes through the movable seat 8.
[0027] Rotating the handwheel 22 drives the drive wheel 12 to rotate. The drive wheel 12 meshes with the rack 11. The rotation of the drive wheel 12 further drives the movable seat 8 to slide along the rack 11. In conjunction with the grinding plate 10 set at one end, the movable seat 8 grinds the outer surface of the hydraulic support during its movement. When the second threaded rod 13 is rotated, the second threaded rod 13 can push the adjusting plate 9 to one side or retract it. When grinding hydraulic supports of different diameters, the position of the adjusting plate 9 can be adjusted so that the arc plate on one side of the adjusting plate 9 can abut against the outer surface of the hydraulic support. During the movement of the adjusting plate 9, the guide column 14 moves with the adjusting plate 9, providing auxiliary support during the movement to prevent the adjusting plate 9 from tilting during the grinding process.
[0028] In this embodiment, as a preferred option, the grinding plate 10 is arc-shaped, and a compression spring 15 is provided on the back of the grinding plate 10. One end of the compression spring 15 is fixedly connected to the adjusting plate 9, and a grinding pad 16 is detachably provided on the front of the grinding plate 10.
[0029] The arc-shaped grinding plate 10 can better fit the outer surface of the hydraulic support, improving the grinding and polishing efficiency. The compression spring 15 can push the grinding plate 10 to move, making the grinding plate 10 fit more tightly with the hydraulic support. The grinding pad 16 is set on the inner wall of the grinding plate 10 and can be replaced after a period of use to maintain grinding efficiency.
[0030] In this embodiment, as a preferred option, a drive motor 17 is provided on the back side of the drive end 2. The drive motor 17 meshes with the back side of the rotating seat 6 through a gear set to drive the rotating seat 6 to rotate.
[0031] The drive motor 17 drives the internal gear set to rotate. The gear set meshes with the rotating seat 6 at the drive end 2. When the drive motor 17 rotates, it can drive the rotating seat 6 to rotate together. The rotating seat 6 at the other end is rotatably set on the surface of the clamping plate 4. While providing auxiliary support at the other end of the hydraulic support, it also rotates passively, improving the stability of the hydraulic support during rotation.
[0032] In this embodiment, as a preferred option, the snap-fit mechanism includes a slot 18, a insert plate 19, and a fixing bolt 20. The slot 18 is opened on the front of the rotating seat 6, the insert plate 19 is fixedly connected to the back of the replacement head 7, the insert plate 19 is inserted into the inside of the slot 18, and the fixing bolt 20 is threadedly connected to the rotating seat 6 and inserted into the insert plate 19.
[0033] After inserting the insert plate 19 into the slot 18, the hole on the insert plate 19 will be aligned with the threaded hole on the top of the rotating seat 6. After screwing the fixing bolt 20 into the threaded hole, the bottom of the fixing bolt 20 will be inserted into the hole on the insert plate 19, thereby fixing the position of the insert plate 19 and preventing the insert plate 19 from falling out of the slot 18.
[0034] In this embodiment, as a preferred option, the upper surface of the operating table 1 is provided with a slide groove 21 along the length direction, and the bottom of the clamping plate 4 is guided and connected to the slide groove 21.
[0035] During the movement of the clamping plate 4, the sliding direction is restricted by the slide groove 21, making it more stable during movement and preventing the clamping plate 4 from tipping over. A limit block is set at one end of the slide groove 21 to limit the maximum movement distance of the clamping plate 4.
[0036] In this invention, the working steps of the device are as follows:
[0037] 1. When using, move the clamping plate 4 to the clamping end 3 and fit it together with the clamping end 3. According to the inner diameter of the hydraulic support being processed, install the replacement head 7 of the corresponding size on the rotating seat 6 and fix it with the fixing bolt 20.
[0038] 2. Insert one end of the hydraulic support into the replacement head 7 of the drive end 2, align the other end with the replacement head 7 of the clamping end 3, rotate the first threaded rod 5 to move the clamping plate 4 toward one end of the hydraulic support, so that the clamping plate 4 provides support at the other end of the hydraulic support.
[0039] 3. After fixing the hydraulic support, rotate the handwheel 22 to move the movable seat 8 to one end of the operating table 1, rotate the second threaded rod 13 to extend the adjusting plate 9 outward, so that the grinding plate 10 on one side of the adjusting plate 9 abuts against the outer surface of the hydraulic support. After it is pressed, start the drive motor 17, and drive the hydraulic support to rotate from the drive end 2. During the rotation of the hydraulic support, rotate the handwheel 22 to drive the movable seat 8 to move in the direction of the rack 11 to grind the outer surface of the hydraulic support.
[0040] 4. After grinding is complete, rotate the second threaded rod 13 to separate the grinding plate 10 from the hydraulic support, and then rotate the first threaded rod 5 to remove the hydraulic support from the device.
[0041] Finally, it should be noted that in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes the element.
[0042] The specific embodiments provided by this utility model have been described in detail above. Specific examples have been used to illustrate the principles and implementation methods of this utility model. The description of the above embodiments is only for the purpose of helping to understand the method and core ideas of this utility model. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the ideas of this utility model. Therefore, the content of this specification should not be construed as a limitation of this utility model.
Claims
1. A polishing and grinding device for a hydraulic support, characterized in that: It includes an operating table (1), a clamping mechanism and a grinding mechanism, wherein the two ends of the operating table (1) are respectively provided with a driving end (2) and a clamping end (3). The clamping mechanism includes a clamping plate (4), a first threaded rod (5), and a rotating seat (6). The clamping plate (4) is slidably disposed on the upper surface of the operating table (1). The first threaded rod (5) is threadedly connected to the middle of the clamping end (3) and rotatably connected to the clamping plate (4). There are two rotating seats (6) respectively rotatably disposed on the inner wall of the driving end (2) and the clamping plate (4). A replacement head (7) is connected to one side of the rotating seat (6) through a snap-fit mechanism. The polishing mechanism includes a movable seat (8), an adjusting plate (9), and a polishing plate (10). The movable seat (8) is slidably disposed on the upper surface of the operating table (1). The adjusting plate (9) is disposed on one side of the movable seat (8). The polishing plate (10) is hinged to one side of the adjusting plate (9).
2. The polishing and grinding device for a hydraulic support according to claim 1, characterized in that: The upper surface of the operating table (1) is provided with a rack (11), and the inside of the movable seat (8) is rotatably connected with a drive wheel (12). The drive wheel (12) meshes with the rack (11), and the front of the movable seat (8) is provided with a handwheel (22) to drive the drive wheel (12) to rotate.
3. The polishing and grinding device for a hydraulic support according to claim 2, characterized in that: The movable seat (8) is internally threaded with a second threaded rod (13), one end of which is rotatably connected to the back of the adjusting plate (9) to adjust the relative distance between the adjusting plate (9) and the movable seat (8).
4. The polishing and grinding device for a hydraulic support according to claim 3, characterized in that: The adjusting plate (9) is fixedly connected to a guide post (14) on the side near the movable seat (8), and the guide post (14) passes through the movable seat (8).
5. A polishing and grinding device for a hydraulic support according to any one of claims 1-3, characterized in that: The grinding plate (10) is arc-shaped, and a compression spring (15) is provided on the back of the grinding plate (10). One end of the compression spring (15) is fixedly connected to the adjusting plate (9), and a grinding pad (16) is detachably provided on the front of the grinding plate (10).
6. A polishing and grinding device for a hydraulic support according to any one of claims 1-3, characterized in that: The back of the drive end (2) is provided with a drive motor (17), which meshes with the back of the rotating seat (6) through a gear set to drive the rotating seat (6) to rotate.
7. A polishing and grinding device for a hydraulic support according to any one of claims 1-3, characterized in that: The snap-fit mechanism includes a slot (18), a insert plate (19), and a fixing bolt (20). The slot (18) is located on the front of the rotating seat (6). The insert plate (19) is fixedly connected to the back of the replacement head (7). The insert plate (19) is inserted into the inside of the slot (18). The fixing bolt (20) is threadedly connected to the rotating seat (6) and inserted into the insert plate (19).
8. The polishing and grinding device for a hydraulic support according to claim 1, characterized in that: The upper surface of the operating table (1) is provided with a slide groove (21) along the length direction, and the bottom of the clamping plate (4) is guided and connected to the slide groove (21).