CN210106288U - Hydraulic hoist with hydro-cylinder buffer function - Google Patents
Hydraulic hoist with hydro-cylinder buffer function Download PDFInfo
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- CN210106288U CN210106288U CN201920554560.XU CN201920554560U CN210106288U CN 210106288 U CN210106288 U CN 210106288U CN 201920554560 U CN201920554560 U CN 201920554560U CN 210106288 U CN210106288 U CN 210106288U
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Abstract
The utility model discloses a hydraulic hoist with oil cylinder buffer function in the technical field of hydraulic hoist, which comprises a cylinder barrel, wherein the inner cavity of the cylinder barrel is provided with a piston in a sliding way, a buffer column is arranged on the left side of the piston, a buffer sleeve is arranged on the right side of the piston, a buffer groove is arranged on the right side of the buffer sleeve, a movable plate is arranged in the buffer groove and is connected with the inner wall on the left side of the buffer groove through a spring, a piston rod is arranged on the right side of the piston, the hydraulic hoist with oil cylinder buffer function realizes the buffer between the piston and a cylinder cover through the arranged buffer block, the buffer groove, the movable plate and the spring, and the buffer between the piston and the cylinder bottom can be realized through the arranged buffer column and the arranged groove under the matching of the throttling groove arranged on the outer wall of the buffer column, thereby being beneficial to the gradual fall of the buffer speed in the buffer process, the working stability of the oil cylinder is enhanced, and the service life of the hydraulic hoist is prolonged.
Description
Technical Field
The utility model relates to a hydraulic hoist technical field specifically is a hydraulic hoist with hydro-cylinder buffer function.
Background
The hydraulic hoist generally comprises a hydraulic system and a hydraulic cylinder, under the control of the hydraulic system, the inner wall of a piston body in the hydraulic cylinder makes axial reciprocating motion, so as to drive a connecting rod and a gate which are connected to the piston to make linear motion, thereby achieving the purpose of opening and closing an orifice; meanwhile, the noise generated by the impact is large, and the generated vibration has certain influence on other elements, so that the hydraulic hoist with the oil cylinder buffering function is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hydraulic hoist with hydro-cylinder buffer function to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a hydraulic hoist with hydro-cylinder buffer function, includes the cylinder, the inner chamber of cylinder slides and is equipped with the piston, the left side installation cushion column of piston, the right side installation cushion collar of piston, the dashpot has been seted up on the right side of cushion collar, be equipped with the movable plate in the dashpot, the movable plate passes through spring coupling with the left side inner wall of dashpot, the right side installation piston rod of piston, the right side installation cylinder cap of cylinder, install the sealing washer between cylinder cap and the piston rod, the right side installation dust ring of sealing washer, and the right side of cylinder cap seted up with dust ring assorted mounting groove, the left side installation buffer block of cylinder cap, the left side installation cylinder bottom of cylinder, the left side of cylinder bottom seted up with cushion column assorted recess, the inlet port has been seted up on the cylinder bottom.
Preferably, the outer wall of piston installation ring of wearing, the outer wall left and right sides of piston all installs sealed the pad.
Preferably, the circumferential outer wall of the buffer column is uniformly provided with throttling grooves, and the width of each throttling groove is gradually reduced from the piston to the cylinder bottom.
Preferably, the buffer block is convex in shape, and the protruding portion matches the buffer groove.
Preferably, the top and the bottom of the movable plate are both provided with sliding blocks, the inner walls of the top and the bottom of the buffer groove are both provided with limiting sliding grooves, and the movable plate is provided with through holes matched with the piston rods.
Compared with the prior art, the beneficial effects of the utility model are that: this hydraulic hoist with hydro-cylinder buffer function, buffer block, dashpot, movable plate and spring through setting up have realized the buffering between piston and the cylinder cap, through the buffering post and the recess that set up, simultaneously under the cooperation of the throttle groove that the buffering post outer wall set up, can realize the buffering between piston and the cylinder bottom, be favorable to making the buffering speed fall back gradually in the buffering process, avoided the speed to strike, strengthened hydro-cylinder job stabilization nature, extension hydraulic hoist's life.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the piston structure of the present invention.
In the figure: 1. a cylinder barrel; 2. a piston; 3. a buffer column; 4. a buffer sleeve; 5. a buffer tank; 6. moving the plate; 7. a piston rod; 8. a cylinder cover; 9. a seal ring; 10. a dust ring; 11. a buffer block; 12. a cylinder bottom; 13. a groove; 14. an oil inlet hole; 15. a spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a hydraulic hoist with hydro-cylinder buffer function, including cylinder 1, the inner chamber of cylinder 1 slides and is equipped with piston 2, piston 2's left side installation cushion column 3, piston 2's right side installation cushion collar 4, buffer slot 5 has been seted up on the right side of cushion collar 4, be equipped with movable plate 6 in the buffer slot 5, movable plate 6 passes through spring 15 with the left side inner wall of buffer slot 5 and is connected, piston rod 7 is installed on piston 2's right side, cylinder cap 8 is installed on cylinder 1's right side, install sealing washer 9 between cylinder cap 8 and the piston rod 7, dust ring 10 is installed on sealing washer 9's right side, and cylinder cap 8's right side seted up with dust ring 10 assorted mounting groove, cylinder cap 8's left side installation buffer block 11, cylinder bottom 12 is installed in cylinder 1's left side, cylinder bottom 12's left side seted up with 3 assorted recess 13 of post.
The outer wall of the piston 2 is provided with an anti-wear ring 21, so that the service life of the piston 2 is prolonged, and the left side and the right side of the outer wall of the piston 2 are provided with sealing gaskets 22, so that the sealing performance of the piston 2 is improved;
the throttling grooves are uniformly formed in the circumferential outer wall of the buffering column 3, the width of each throttling groove is gradually reduced from the piston 2 to the cylinder bottom 12, and the throttling area of each throttling groove is continuously reduced from the piston 2 to the cylinder bottom 12, so that the buffering pressure of the oil liquid in the rodless cavity is continuously changed in the buffering process of the oil cylinder, the pressure fluctuation caused by continuous hole interruption in the prior art is avoided, the buffering speed is gradually dropped in the buffering process, the speed impact is avoided, and the working stability of the oil cylinder is enhanced;
the buffer block 11 is convex, and the protruding part is matched with the buffer groove 5, so that the buffer block 11 can push the moving plate 6 to move, and the buffer is performed under the action of the spring 16;
the top and the bottom of movable plate 6 all install the slider, and the top of dashpot 5 and the bottom inner wall all seted up spacing spout, and set up on the movable plate 6 with piston rod 7 assorted through-hole, be favorable to spacing the distance that movable plate 6 removed.
The working principle is as follows: when the piston 2 moves to the right end of the cylinder barrel 1, the left end of the buffer block 11 enters the buffer groove 5 to push the movable plate 6 to move, the buffer function is realized through the spring 16, when the piston 2 moves to the left end of the cylinder barrel 1, the buffer column 3 and the groove 13 are matched with each other to play a certain buffer function, meanwhile, the throttling groove on the outer wall of the buffer column 3 can enable the buffer speed to fall back gradually in the buffer process, the speed impact is avoided, and the stability of the oil cylinder in work is enhanced.
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 (5)
1. The utility model provides a hydraulic hoist with hydro-cylinder buffer function, includes cylinder (1), its characterized in that: the inner cavity of the cylinder barrel (1) is provided with a piston (2) in a sliding manner, the left side of the piston (2) is provided with a buffering column (3), the right side of the piston (2) is provided with a buffering sleeve (4), the right side of the buffering sleeve (4) is provided with a buffering groove (5), a movable plate (6) is arranged in the buffering groove (5), the movable plate (6) is connected with the inner wall of the left side of the buffering groove (5) through a spring (15), the right side of the piston (2) is provided with a piston rod (7), the right side of the cylinder barrel (1) is provided with a cylinder cover (8), a sealing ring (9) is arranged between the cylinder cover (8) and the piston rod (7), the right side of the sealing ring (9) is provided with a dust ring (10), the right side of the cylinder cover (8) is provided with a mounting groove matched with the dust ring (10), the left side of the cylinder cover (8) is, the left side of the cylinder bottom (12) is provided with a groove (13) matched with the buffer column (3), and the cylinder bottom (12) is provided with an oil inlet (14).
2. The hydraulic hoist with the oil cylinder buffering function of claim 1, characterized in that: the outer wall installation ring (21) of wearing of piston (2), sealed pad (22) are all installed to the outer wall left and right sides of piston (2).
3. The hydraulic hoist with the oil cylinder buffering function of claim 1, characterized in that: the throttling grooves are uniformly formed in the circumferential outer wall of the buffering column (3), and the width of each throttling groove is gradually reduced from the piston (2) to the cylinder bottom (12).
4. The hydraulic hoist with the oil cylinder buffering function of claim 1, characterized in that: the buffer block (11) is convex in shape, and the protruding part is matched with the buffer groove (5).
5. The hydraulic hoist with the oil cylinder buffering function of claim 1, characterized in that: the top and the bottom of the movable plate (6) are both provided with sliding blocks, the inner walls of the top and the bottom of the buffer groove (5) are both provided with limiting sliding grooves, and the movable plate (6) is provided with through holes matched with the piston rods (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920554560.XU CN210106288U (en) | 2019-04-23 | 2019-04-23 | Hydraulic hoist with hydro-cylinder buffer function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920554560.XU CN210106288U (en) | 2019-04-23 | 2019-04-23 | Hydraulic hoist with hydro-cylinder buffer function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210106288U true CN210106288U (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920554560.XU Active CN210106288U (en) | 2019-04-23 | 2019-04-23 | Hydraulic hoist with hydro-cylinder buffer function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112780633B (en) * | 2021-01-06 | 2023-05-05 | 安徽鼎图液压设备有限公司 | Double-cylinder hydraulic cylinder |
-
2019
- 2019-04-23 CN CN201920554560.XU patent/CN210106288U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112780633B (en) * | 2021-01-06 | 2023-05-05 | 安徽鼎图液压设备有限公司 | Double-cylinder hydraulic cylinder |
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| TR01 | Transfer of patent right |
Effective date of registration: 20230725 Address after: 225600 100 meters south of S333 Road, West Jingsan Road, Ganduo, Gaoyou, Yangzhou, Jiangsu Province Patentee after: Yangzhou Suoshuo Mechanical Equipment Co.,Ltd. Address before: 225600 Ganduo town industrial concentration area, Gaoyou City, Yangzhou City, Jiangsu Province Patentee before: YANGZHOU SANYUAN POWER MACHINERY Co.,Ltd. |