High-wear-resistance guide structure for spiral swing oil cylinder
By introducing a detachable guide mechanism and a highly wear-resistant structure into the helical swing cylinder, the problem of severe wear of the guide sleeve was solved, enabling rapid maintenance and improved wear resistance, thereby increasing guiding accuracy and extending service life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-29
- Publication Date
- 2026-04-14
AI Technical Summary
Existing spiral oscillating cylinders suffer severe wear on the guide sleeve and piston rod surfaces under high pressure and high frequency oscillation conditions, resulting in reduced guiding accuracy and shortened service life. Furthermore, the guide structure is not easy to disassemble and replace, affecting equipment performance.
It employs a detachable guide mechanism and a highly wear-resistant mechanism, including components such as tie rods, connecting holes, dust seals, and wear rings, to solve the problem by quickly replacing worn parts and improving wear resistance.
It enables rapid maintenance and improved wear resistance of the guide structure, improves guiding accuracy and extends the service life of the hydraulic cylinder, and reduces the problem of low operating efficiency caused by wear.
Smart Images

Figure CN224120463U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of spiral swing cylinder technology, and in particular to a highly wear-resistant guide structure for spiral swing cylinders. Background Technology
[0002] As a hydraulic actuator that converts hydraulic energy into mechanical energy and realizes oscillating motion, the helical oscillating cylinder is widely used in many fields due to its advantages such as compact structure, large output torque, and smooth movement.
[0003] Problems with existing spiral oscillating cylinder guide structures:
[0004] 1. Traditional spiral oscillating cylinders generate significant friction under high pressure and high frequency oscillation conditions, leading to accelerated wear on the guide sleeve and piston rod surfaces, reducing guiding accuracy and cylinder lifespan;
[0005] 2. As industrial production demands increasing precision from equipment, the guide structure of the helical swing cylinder may experience problems such as guide rod damage when subjected to complex loads and changing operating conditions. However, disassembly and replacement are inconvenient and affect the overall performance of the equipment. Utility Model Content
[0006] The purpose of this invention is to address the shortcomings of existing technologies by proposing a highly wear-resistant guide structure for helical oscillating cylinders.
[0007] To achieve the above objectives, the present invention adopts the following technical solution:
[0008] A high wear-resistant guide structure for a helical oscillating cylinder includes an end cap, on which a detachable guide mechanism and a high wear-resistant mechanism are mounted;
[0009] The detachable guide mechanism includes a pull rod, connecting holes, a rod side end cap, a first dustproof ring, a second dustproof ring, rubber washers, a fixing nut, a threaded rod, and a guide rod. The rod side end cap has connecting holes at all four corners. One end of the pull rod is slidably connected to the rod side end cap through the connecting holes. Rubber washers are embedded in the bottom surfaces of the first and second dustproof rings. Multiple rubber washers are respectively wrapped around the outer walls of both ends of the guide rod. The outer wall of one end of the guide rod is welded to one side surface of the threaded rod. The fixing nut is screwed onto the surface of the threaded rod.
[0010] By implementing the above solution, the installation of a detachable guide mechanism, including the connection and fixing of various components such as the pull rod, connecting hole, rod side end cap, first dustproof ring, second dustproof ring, rubber gasket, fixing nut, threaded rod, and guide rod, allows for the rapid replacement of worn guide rods as needed, reducing the problem of low overall operating efficiency caused by guide rod damage.
[0011] Preferably, the high wear-resistant mechanism includes a first wear-resistant ring, a second wear-resistant ring, a limiting plate, a piston sealing ring, and a protective shell. The first wear-resistant ring covers the outer wall of the other end of the guide rod, the second wear-resistant ring is sleeved with the surface of the other end of the guide rod, one side of the first wear-resistant ring and the second wear-resistant ring are respectively engaged with the two ends of the limiting plate, and the piston sealing ring is sleeved on the middle surface of the guide rod.
[0012] By implementing the above solutions, the installation of a high wear-resistant mechanism, including the connection and fixation of the first wear-resistant ring, the second wear-resistant ring, the limiting plate, the piston seal ring, and the protective shell, can improve the wear resistance of the device, thereby enhancing the guiding accuracy and extending the service life of the hydraulic cylinder to a certain extent.
[0013] Preferably, the first wear-resistant ring is made of polyoxymethylene material, and the second wear-resistant ring is made of polyamide material.
[0014] Preferably, the other end of the pull rod is inserted into the interior of one side of the end cap, and a fixing component is installed on the other side of the end cap. The fixing component includes a fixing sleeve and fixing bolts, and the fixing sleeve is connected to the outer wall of the other side of the end cap by two fixing bolts.
[0015] Preferably, the first dustproof ring is made of nitrile rubber, and the second dustproof ring is made of polyurethane.
[0016] Preferably, one side of the outer wall of the first dustproof ring covers one side of the inner wall of the second dustproof ring, and the other side of the second dustproof ring is fitted into the inside of the rod-side end cap.
[0017] The beneficial effects of this utility model are as follows:
[0018] 1. By installing a detachable guide mechanism, the connection and fixing of various components such as the pull rod, connecting hole, rod side end cap, first dustproof ring, second dustproof ring, rubber gasket, fixing nut, threaded rod and guide rod can quickly replace the worn guide rod as needed, reducing the problem of low overall operating efficiency caused by damage to the guide rod;
[0019] 2. By installing a high wear-resistant mechanism, the connection and fixation of the first wear-resistant ring, the second wear-resistant ring, the limiting plate, the piston seal ring and the protective shell can improve the wear resistance of the device, and to a certain extent improve the guiding accuracy and extend the service life of the hydraulic cylinder. Attached Figure Description
[0020] Figure 1 This is a schematic diagram of a high wear-resistant guide structure for a spiral swing cylinder proposed in this utility model;
[0021] Figure 2This is a cross-sectional view of a high wear-resistant guide structure for a helical oscillating cylinder proposed in this utility model;
[0022] Figure 3 This is a side view of a high wear-resistant guide structure for a helical oscillating cylinder proposed in this utility model.
[0023] In the diagram: 1. End cap; 2. Pull rod; 3. Connecting hole; 4. Rod side end cap; 5. First dustproof ring; 6. Second dustproof ring; 7. Rubber gasket; 8. Fixing nut; 9. Threaded rod; 10. Guide rod; 11. First wear-resistant ring; 12. Second wear-resistant ring; 13. Limiting plate; 14. Piston sealing ring; 15. Protective shell; 16. Fixing sleeve cover; 17. Fixing bolt. Detailed Implementation
[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0025] Example 1, referring to Figure 1-3 A high wear-resistant guide structure for a helical oscillating cylinder includes an end cover 1, on which a detachable guide mechanism and a high wear-resistant mechanism are mounted;
[0026] The detachable guide mechanism includes a pull rod 2, a connecting hole 3, a rod side end cap 4, a first dustproof ring 5, a second dustproof ring 6, a rubber washer 7, a fixing nut 8, a threaded rod 9, and a guide rod 10. Connecting holes 3 are provided at the four corners of the surface of the rod side end cap 4. One end of the pull rod 2 is slidably connected to the rod side end cap 4 through the connecting hole 3. Rubber washers 7 are embedded inside the bottom surfaces of the first dustproof ring 5 and the second dustproof ring 6. Multiple rubber washers 7 are respectively wrapped around the outer walls of both ends of the guide rod 10. One end of the guide rod 10 is welded to one side surface of the threaded rod 9. The fixing nut 8 is screwed onto the surface of the threaded rod 9. The detachable guide mechanism, with its components—pull rod 2, connecting hole 3, rod side end cap 4, first dustproof ring 5, second dustproof ring 6, rubber washer 7, fixing nut 8, threaded rod 9, and guide rod 10—allows for quick replacement of worn guide rods 10 as needed, reducing the problem of low overall operating efficiency caused by damage to the guide rod 10.
[0027] Example 2, refer to Figure 2 and Figure 3The high wear-resistant mechanism includes a first wear-resistant ring 11, a second wear-resistant ring 12, a limiting plate 13, a piston sealing ring 14, and a protective shell 15. The first wear-resistant ring 11 covers the outer wall of the other end of the guide rod 10, and the second wear-resistant ring 12 is sleeved with the surface of the other end of the guide rod 10. One side of the first wear-resistant ring 11 and the second wear-resistant ring 12 are respectively engaged with the two ends of the limiting plate 13. The piston sealing ring 14 is sleeved on the middle surface of the guide rod 10. The connection and fixation of the first wear-resistant ring 11, the second wear-resistant ring 12, the limiting plate 13, the piston sealing ring 14, and the protective shell 15 can improve the wear resistance of the device, improve the guiding accuracy to a certain extent, and extend the service life of the hydraulic cylinder.
[0028] Example 3, referring to Figure 1 , Figure 2 and Figure 3 The first wear-resistant ring 11 is made of polyoxymethylene material, and the second wear-resistant ring 12 is made of polyamide material. The other end of the pull rod 2 is inserted into the inside of one side of the end cap 1. A fixing component is installed on the other side of the end cap 1. The fixing component includes a fixing sleeve 16 and fixing bolts 17. The fixing sleeve 16 is connected to the outer wall of the other side of the end cap 1 by two fixing bolts 17. The first dustproof ring 5 is made of nitrile rubber material, and the second dustproof ring 6 is made of polyurethane material. One side of the outer wall of the first dustproof ring 5 covers one side of the inner wall of the second dustproof ring 6. The other side of the second dustproof ring 6 is fitted into the inside of the rod-side end cap 4.
[0029] Working principle: By connecting and fixing the various components such as pull rod 2, connecting hole 3, rod side end cap 4, first dustproof ring 5, second dustproof ring 6, rubber gasket 7, fixing nut 8, threaded rod 9 and guide rod 10, the worn guide rod 10 can be quickly replaced as needed, reducing the problem of low overall operating efficiency caused by damage to the guide rod 10. By installing a high wear-resistant mechanism, the connection and fixing of the first wear-resistant ring 11, second wear-resistant ring 12, limit plate 13, piston sealing ring 14 and protective shell 15 can improve the wear resistance of the device, improve the guiding accuracy to a certain extent and extend the service life of the hydraulic cylinder.
[0030] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A high wear-resistant guide structure for a helical oscillating cylinder, comprising an end cap (1), characterized in that, The end cap (1) is equipped with a detachable guide mechanism and a high wear-resistant mechanism; The detachable guide mechanism includes a pull rod (2), a connecting hole (3), a rod side end cap (4), a first dustproof ring (5), a second dustproof ring (6), a rubber washer (7), a fixing nut (8), a threaded rod (9), and a guide rod (10). The rod side end cap (4) has connecting holes (3) at all four corners. One end of the pull rod (2) is slidably connected to the rod side end cap (4) through the connecting hole (3). The bottom surfaces of the first dustproof ring (5) and the second dustproof ring (6) are both embedded with rubber washers (7). Multiple rubber washers (7) are respectively wrapped around the outer walls of both ends of the guide rod (10). One end of the guide rod (10) is welded to one side surface of the threaded rod (9). The fixing nut (8) is screwed onto the surface of the threaded rod (9).
2. The high wear-resistant guide structure for a helical oscillating cylinder according to claim 1, characterized in that, The high wear-resistant mechanism includes a first wear-resistant ring (11), a second wear-resistant ring (12), a limiting plate (13), a piston sealing ring (14), and a protective shell (15). The first wear-resistant ring (11) covers the outer wall of the other end of the guide rod (10). The second wear-resistant ring (12) is sleeved with the surface of the other end of the guide rod (10). One side of the first wear-resistant ring (11) and the second wear-resistant ring (12) are respectively engaged with the two ends of the limiting plate (13). The piston sealing ring (14) is sleeved on the middle surface of the guide rod (10).
3. The high wear-resistant guide structure for a helical oscillating cylinder according to claim 2, characterized in that, The first wear ring (11) is made of polyoxymethylene material, and the second wear ring (12) is made of polyamide material.
4. The high wear-resistant guide structure for a helical oscillating cylinder according to claim 1, characterized in that, The other end of the pull rod (2) is inserted into the inside of one side of the end cover (1). A fixing component is installed on the other side of the end cover (1). The fixing component includes a fixing sleeve (16) and fixing bolts (17). The fixing sleeve (16) is connected to the outer wall of the other side of the end cover (1) by two fixing bolts (17).
5. A high wear-resistant guide structure for a helical oscillating cylinder according to claim 1, characterized in that, The first dustproof ring (5) is made of nitrile rubber material, and the second dustproof ring (6) is made of polyurethane material.
6. A high wear-resistant guide structure for a helical oscillating cylinder according to claim 1, characterized in that, One side of the outer wall of the first dustproof ring (5) covers one side of the inner wall of the second dustproof ring (6), and the other side of the second dustproof ring (6) is connected to the inside of the rod end cap (4).