CN214007648U - Wear-resisting type hydraulic cylinder body - Google Patents
Wear-resisting type hydraulic cylinder body Download PDFInfo
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- CN214007648U CN214007648U CN202022183480.3U CN202022183480U CN214007648U CN 214007648 U CN214007648 U CN 214007648U CN 202022183480 U CN202022183480 U CN 202022183480U CN 214007648 U CN214007648 U CN 214007648U
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Abstract
The utility model discloses a wear-resisting type hydraulic cylinder body, include: main part, seal assembly and buffering subassembly, the main part includes pole head, piston rod, end cover, cylinder body, hydraulic fluid port and jar tail, the pole head pass through the connecting piece with piston rod fixed connection, the piston rod sets up the cylinder body middle part, the cylinder body top is provided with the end cover, the hydraulic fluid port is fixed to be set up cylinder body one side just the hydraulic fluid port with inside lining up of cylinder body, the jar tail pass through the connecting piece with cylinder body fixed connection, seal assembly includes rubber dirt proof boot, site circle and glary circle, buffering subassembly includes buffer spring and blotter. The utility model discloses an electroplating process coating makes the inner wall of cylinder body more smooth, has reduced the frictional force in the work operation, and the buffering subassembly cushions the processing to the piston rod under the operating condition simultaneously, has stopped to take place the phenomenon that the bending damaged the cylinder body inner wall because of the piston rod, has prolonged the life of hydro-cylinder.
Description
Technical Field
The utility model relates to a hydraulic cylinder body correlation technique field specifically is a wear-resisting type hydraulic cylinder body.
Background
The cylinder body is used as a main part of products such as a hydraulic cylinder, a mining single prop, a hydraulic support, a gun barrel and the like, and the service life and the reliability of the whole product are directly influenced by the quality of the processing quality of the cylinder body. The cylinder body has high processing requirement, the requirement of the roughness of the inner surface of the cylinder body is Ra0.4-0.8 & um, and the requirements on the coaxiality and the wear resistance are strict. On the one hand, the existing hydraulic oil cylinder is not good enough in the processing degree and the sealing performance of the inner wall of the cylinder body, the inner wall of the cylinder body can be abraded more and more in long-term working operation, the service life of the oil cylinder is further shortened, the granular objects such as dust and the like can be easily entered from the outside, the piston rod is directly caused to rub with the inner wall of the cylinder body in the operation process, the unevenness of the inner wall of the cylinder body is further caused, the oil leakage and air leakage phenomenon occurs, the normal operation of the oil cylinder is influenced, on the other hand, the existing hydraulic oil cylinder can generate great kinetic energy in the operation process, the piston rod is easily caused to be bent, the inner wall of the cylinder body is indirectly caused to be damaged, and the service life of the oil cylinder is shortened.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a wear-resisting type hydraulic cylinder body to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a wear resistant hydraulic ram block comprising: main part, seal assembly and buffering subassembly, the main part includes pole head, piston rod, end cover, cylinder body, hydraulic fluid port and jar tail, the pole head pass through the connecting piece with piston rod fixed connection, the piston rod sets up the cylinder body middle part, the cylinder body top is provided with the end cover, the hydraulic fluid port is fixed to be set up cylinder body one side just the hydraulic fluid port with inside lining up of cylinder body, the jar tail pass through the connecting piece with cylinder body fixed connection, seal assembly includes rubber dirt proof boot, site circle and glary circle, buffering subassembly includes buffer spring and blotter.
Preferably, the rubber dustproof sleeve is arranged at the top end of the piston rod, the lower end of the rubber dustproof sleeve is fixedly connected with the end cover through a nut, so that external dust is prevented from entering the oil cylinder, and the normal operation of the oil cylinder is guaranteed.
Preferably, the stet ring is fixedly arranged on the surface of the piston rod, and the stet ring is abutted against the inner wall of the cylinder body, so that the sealing performance of the interior of the cylinder body when the piston rod runs is guaranteed.
Preferably, the bottom side of the piston rod is provided with a support ring, and the upper surface of the support ring is provided with the GREEN ring, so that the sealing of the inner space of the cylinder body is further ensured, and the phenomenon of oil leakage and air leakage of the cylinder body is prevented.
Preferably, the buffer cushion is fixedly arranged on the lower surface of the support ring, the buffer springs are provided with a plurality of groups, the buffer springs are fixedly arranged on the bottom side of the cylinder body, the lower surface of the buffer cushion is provided with a plurality of groups of buffer holes, and the impact force of the piston rod on the base of the cylinder body during working is effectively reduced.
Preferably, the inner wall of the cylinder body is provided with the electroplated nickel-molybdenum disulfide composite coating, so that the lubrication degree of the inner wall of the cylinder body is increased, the friction force is reduced, the friction loss is reduced, and the service life of the cylinder body is prolonged.
The utility model provides a wear-resisting type hydraulic cylinder body possesses following beneficial effect:
(1) the utility model discloses a be provided with electronickelling-molybdenum disulfide composite coating, dustproof rubber sleeve, the stet circle and glary circle, at first through being provided with electronickelling-molybdenum disulfide composite coating to cylinder body inner wall, the lubricity of cylinder body inner wall has been increased, frictional force has been reduced, simultaneously through setting up the rubber dirt guard on piston rod top to external dust carry out effectual protection processing, further carry out effectual sealing process to the cylinder body inner space through the stet circle that sets up at the piston rod surface afterwards, further through the glary circle of setting at the support ring upper surface, the effectual phenomenon that the oil leak gas leakage appears in the piston rod operation process that has prevented, the normal operating of hydro-cylinder has been guaranteed.
(2) The utility model discloses a be provided with buffer spring and blotter, when the piston rod moves down, at first set up at the buffer hole of the blotter lower surface of support ring lower surface can with set up the buffer spring striking in the cylinder body bottom side, some impact force has been decomposed, through setting up the buffer spring atress downstream in the cylinder body bottom side afterwards, the impact force is progressively offset and is decomposed by buffer spring's elasticity, the effectual impact force that has reduced the piston rod to the cylinder body base, the harm of cylinder body has been avoided, the life of hydro-cylinder has been prolonged.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic top view of the present invention;
fig. 4 is an enlarged schematic view of fig. 2A.
In the figure: 1. a club head; 2. a piston rod; 3. an end cap; 4. a cylinder body; 5. an oil port; 6. a cylinder tail; 7. a dust-proof sleeve; 8. a stewart circle; 9. a Glare circle; 10. a buffer spring; 11. a cushion pad; 12. and (3) supporting the ring.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1-4, the utility model provides a technical scheme: a wear resistant hydraulic ram block comprising: main part, seal assembly and buffering subassembly, the main part includes pole head 1, piston rod 2, end cover 3, cylinder body 4, hydraulic fluid port 5 and jar tail 6, pole head 1 pass through the connecting piece with 2 fixed connection of piston rod, piston rod 2 sets up 4 middle parts of cylinder body, 4 tops of cylinder body are provided with end cover 3, hydraulic fluid port 5 is fixed to be set up cylinder body 4 one side just hydraulic fluid port 5 with 4 inside link up of cylinder body, jar tail 6 pass through the connecting piece with 4 fixed connection of cylinder body, seal assembly includes rubber dirt proof boot 7, site circle 8 and glary circle 9, buffering subassembly includes buffer spring 10 and blotter 11.
The rubber dustproof sleeve 7 is arranged at the top end of the piston rod 2, the lower end of the rubber dustproof sleeve 7 is fixedly connected with the end cover 3 through a nut, so that external dust is prevented from entering, and the normal operation of the oil cylinder is guaranteed.
The stet ring 8 is fixedly arranged on the surface of the piston rod 2, and the stet ring 8 is abutted against the inner wall of the cylinder body 4, so that the sealing performance of the interior of the cylinder body when the piston rod operates is ensured.
The bottom side of the piston rod 2 is provided with a support ring 12, the upper surface of the support ring 12 is provided with the GREEN 9, the sealing of the inner space of the cylinder body is further ensured, and the phenomenon of oil leakage and air leakage of the cylinder body is prevented.
The buffer cushion 11 is fixedly arranged on the lower surface of the support ring 12, the buffer springs 10 are provided with a plurality of groups, the buffer springs 10 are fixedly arranged on the bottom side of the cylinder body 4, the lower surface of the buffer cushion 11 is provided with a plurality of groups of buffer holes, and the impact force generated by the piston rod on the base of the cylinder body during working is effectively reduced.
The inner wall of the cylinder body 4 is provided with the electroplated nickel-molybdenum disulfide composite coating, so that the lubrication degree of the inner wall of the cylinder body is increased, the friction force is reduced, the friction loss is reduced, and the service life of the cylinder body is prolonged.
The working principle is as follows: when the utility model is used, the rod head 1 and the cylinder tail 6 are fixedly arranged in a required working environment, the cylinder is electrified, the cylinder starts to operate, the rubber dustproof sleeve 7 arranged at the top end of the piston rod 2 can protect external dust, the internal tightness of the cylinder body 4 in the operation process of the piston rod 2 is ensured by the stet ring 8 and the Gla ring 9, the electroplated coating arranged on the inner wall of the cylinder body 4 can increase the lubrication degree of the inner wall of the cylinder body 4, then the oil is fed through the oil port 5 arranged on one side of the cylinder body 4 to generate pressure to push the piston rod 2 to extend out of the cylinder body 4, when the piston rod 2 retracts, the buffer cushion 11 arranged on the lower surface of the support ring 12 can impact the buffer spring 10 arranged on the bottom side of the cylinder body 4, further, the buffer cushion 11 arranged on the surface of the support ring 12 contracts to decompose part of impact force, then the buffer spring 10 arranged at the bottom side of the cylinder 4 is indirectly impacted by the piston rod 2, the spring contracts and moves towards the bottom side of the cylinder 4, and meanwhile, the spring generates an elastic force opposite to the impact force, and the impact force is further counteracted.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A wear resistant hydraulic ram block comprising: main part, seal assembly and buffering subassembly, its characterized in that: the main part includes pole head (1), piston rod (2), end cover (3), cylinder body (4), hydraulic fluid port (5) and jar tail (6), pole head (1) through the connecting piece with piston rod (2) fixed connection, piston rod (2) set up cylinder body (4) middle part, cylinder body (4) top is provided with end cover (3), hydraulic fluid port (5) are fixed to be set up cylinder body (4) one side just hydraulic fluid port (5) with cylinder body (4) inside link up, jar tail (6) through the connecting piece with cylinder body (4) fixed connection, seal assembly includes rubber dirt proof boot (7), stet circle (8) and glary circle (9), buffer assembly includes buffer spring (10) and blotter (11).
2. A wear resistant hydraulic ram cylinder as claimed in claim 1 wherein: the rubber dustproof sleeve (7) is arranged at the top end of the piston rod (2), and the lower end of the rubber dustproof sleeve (7) is fixedly connected with the end cover (3) through a nut.
3. A wear resistant hydraulic ram cylinder as claimed in claim 1 wherein: the Stirling ring (8) is fixedly arranged on the surface of the piston rod (2), and the Stirling ring (8) is abutted against the inner wall of the cylinder body (4).
4. A wear resistant hydraulic ram cylinder as claimed in claim 1 wherein: a support ring (12) is arranged at the bottom side of the piston rod (2), and the Gray ring (9) is arranged on the upper surface of the support ring (12).
5. A wear resistant hydraulic ram cylinder as claimed in claim 4 wherein: the buffer cushion (11) is fixedly arranged on the lower surface of the support ring (12), the buffer springs (10) are provided with a plurality of groups, the buffer springs (10) are fixedly arranged on the bottom side of the cylinder body (4), and the lower surface of the buffer cushion (11) is provided with a plurality of groups of buffer holes.
6. A wear resistant hydraulic ram cylinder as claimed in claim 1 wherein: the inner wall of the cylinder body (4) is provided with an electroplated nickel-molybdenum disulfide composite coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022183480.3U CN214007648U (en) | 2020-09-29 | 2020-09-29 | Wear-resisting type hydraulic cylinder body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022183480.3U CN214007648U (en) | 2020-09-29 | 2020-09-29 | Wear-resisting type hydraulic cylinder body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214007648U true CN214007648U (en) | 2021-08-20 |
Family
ID=77298179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022183480.3U Active CN214007648U (en) | 2020-09-29 | 2020-09-29 | Wear-resisting type hydraulic cylinder body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214007648U (en) |
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2020
- 2020-09-29 CN CN202022183480.3U patent/CN214007648U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 213000 Cao Jia village, Xue Yan Town, Wujin District, Changzhou, Jiangsu Patentee after: Jiangsu Yizhidi Hydraulic Technology Co.,Ltd. Address before: 213000 Cao Jia village, Xue Yan Town, Wujin District, Changzhou, Jiangsu Patentee before: Jiangsu jingshimai Hydraulic Technology Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |