CN101737376B - Low-speed bidirectional regulating hydraulic buffer - Google Patents
Low-speed bidirectional regulating hydraulic buffer Download PDFInfo
- Publication number
- CN101737376B CN101737376B CN2009101744412A CN200910174441A CN101737376B CN 101737376 B CN101737376 B CN 101737376B CN 2009101744412 A CN2009101744412 A CN 2009101744412A CN 200910174441 A CN200910174441 A CN 200910174441A CN 101737376 B CN101737376 B CN 101737376B
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- cylinder body
- buffer
- regulating
- housing
- shell
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Abstract
The invention relates to a low-speed bidirectional regulating hydraulic buffer which comprises a shell, a cylinder body and a piston rod, wherein a spring is arranged between the other end of the piston rod and a contact, a damping hole is respectively arranged at both ends of a sliding sleeve in the shell, a regulating point is respectively arranged at the left end of the cylinder body and the right end of an end cover, and the sliding sleeve is matched with a regulating screw on the cylinder body. A clamp ring and a mounting flange are arranged on the shell. The opening regulation of the damping holes can be realized through regulating the regulating screw to enable the sliding sleeve to move left and right along an axial direction, the rotation stop between the cylinder body and the shell is realized through a guide pin, and the cylinder body and the end cover can be simultaneously rotated through a linked pin, thus, the opening regulation of the damping holes can be carried out respectively or simultaneously at the regulating points at both ends of the buffer, and bidirectional double-point regulation can be realized for the buffering speed of the buffer; the mounting flange and the clamp ring are designed at both ends of the buffer, thereby realizing the regulation of the buffering speed and the bearing capacity and the selection of a regulating mode and a mounting mode.
Description
Technical field
The present invention relates to a kind of motion buffering that is applicable to metallurgy, engineering machinery and crane gear, buffer is realized the buffering purpose through the damped motion of hydraulic oil mixed medium in enclosed cavity.
Background technique
Mechanical damping device and hydraulic bjuffer are that auxiliary device is very widely used in metallurgy, engineering machinery and Hoisting Machinery field; Mostly existing buffer is certain fixed equipment specialized designs; Its buffer speed, bearing capacity are generally non-adjustable, and mounting type is single, and versatility is not strong.
Summary of the invention
The object of the invention provides and a kind ofly is applicable to the buffer speed that use in metallurgy, engineering machinery and Hoisting Machinery field and bearing capacity is adjustable, regulative mode and the optional multipurpose low speed buffer of mounting type.
The objective of the invention is to realize like this: a kind of low-speed bidirectional regulating hydraulic buffer, comprise housing, be provided with cylinder body in the housing; Piston rod one end is positioned at cylinder body, is connected through set bar between cylinder body and the end cap, is provided with guide finger between cylinder body and the housing; Be provided with spring between the piston rod the other end and the contact; Flip sleeve two ends in the housing are respectively equipped with damping hole, are respectively equipped with point of adjustment at cylinder body left end and end cap right-hand member, and flip sleeve matches with adjusting screw rod.Housing is provided with collar.Housing is provided with mounting flange.
Low-speed bidirectional regulating hydraulic buffer provided by the invention is with the hydraulic oil mixed medium, realizes the buffering purpose through the damped motion of hydraulic medium in enclosed cavity.The damping hole aperture of this device regulate can through adjustment regulate screw thread make flip sleeve vertically move left and right realize; Realize spline through guide finger between cylinder body and housing; Can rotate simultaneously through set bar between cylinder body and end cap, so just can respectively or carry out the damping hole aperture in the point of adjustment at buffer two ends simultaneously and regulate.The buffer speed of buffer can be realized two-way two point adjusting; The buffer two ends are designed with mounting flange and collar, so just can realize that buffer speed and bearing capacity are adjustable, regulative mode and mounting type be optional.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is described further.
Accompanying drawing 1 is a sectional structure schematic representation of the present invention.
Accompanying drawing 2 is outline drawings of the present invention.
Embodiment
With shown in the accompanying drawing 2, the present invention includes housing 3 like accompanying drawing 1, be provided with cylinder body 1 in the housing 3; Piston rod 4 one ends are positioned at cylinder body 1, it is characterized in that: be connected through set bar 15 between cylinder body 1 and the end cap 6, be provided with guide finger 16 between cylinder body 1 and the housing 3; Be provided with spring 8 between piston rod 4 the other ends and the contact 9; Flip sleeve 5 two ends in the housing 3 are respectively equipped with damping hole 10,11, are respectively equipped with point of adjustment 12,13 at cylinder body 1 left end and end cap 6 right-hand members, and flip sleeve 5 matches with adjusting screw rod 14.Housing 3 is provided with collar 2 and mounting flange 7.
Working principle of the present invention is following:
Contact 9 promotes piston rod 4 and moves from right to left under the load effect; Piston extruding hydraulic oil from rodless cavity through buffer cavity to rod chamber motion (along arrow indication path); Rodless cavity produces instantaneous high pressure, and rod chamber produces instantaneous negative pressure, hydraulic oil through damping hole 10 during with damping hole 11 to the load generating buffer function; Arrive at cylinder bottom up to piston, spring 8 is compressed and stored energy simultaneously; After load disappeared, spring 8 discharged kinetic energy pulling piston rod 4 and moves from left to right, and piston extruding hydraulic oil slowly moves (along arrow indication reverse path) to rodless cavity through buffer cavity from rod chamber, all discharges up to spring 8 energy, and this moment, piston rod 4 resetted.
Through mounting flange 7 or collar 2, buffer can adopt multiple mounting type.
Claims (3)
1. a low-speed bidirectional regulating hydraulic buffer comprises housing (3), is provided with cylinder body (1) in the housing (3); Cylinder body (1) is provided with adjusting screw rod (14); Piston rod (4) one ends are positioned at cylinder body (1), it is characterized in that: be connected through set bar (15) between cylinder body (1) and the end cap (6), be provided with guide finger (16) between cylinder body (1) and the housing (3); Be provided with spring (8) between piston rod (4) the other end and the contact (9); Flip sleeve (5) two ends in the housing (3) are respectively equipped with damping hole (10,11), are respectively equipped with point of adjustment (12,13) at cylinder body (1) left end and end cap (6) right-hand member, and flip sleeve (5) matches with adjusting screw rod (14).
2. low-speed bidirectional regulating hydraulic buffer according to claim 1 is characterized in that: housing (3) is provided with collar (2).
3. low-speed bidirectional regulating hydraulic buffer according to claim 1 is characterized in that: housing (3) is provided with mounting flange (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101744412A CN101737376B (en) | 2009-11-03 | 2009-11-03 | Low-speed bidirectional regulating hydraulic buffer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101744412A CN101737376B (en) | 2009-11-03 | 2009-11-03 | Low-speed bidirectional regulating hydraulic buffer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101737376A CN101737376A (en) | 2010-06-16 |
| CN101737376B true CN101737376B (en) | 2012-08-15 |
Family
ID=42461277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101744412A Active CN101737376B (en) | 2009-11-03 | 2009-11-03 | Low-speed bidirectional regulating hydraulic buffer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101737376B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102691695B (en) * | 2011-03-23 | 2013-04-24 | 三一重工股份有限公司 | Buffering hydraulic cylinder and control method thereof as well as engineering machine |
| CN102744613A (en) * | 2012-06-28 | 2012-10-24 | 上海三一精机有限公司 | Lead screw auxiliary support device and machine tool |
| CN104863922B (en) * | 2015-05-29 | 2016-09-14 | 大连宏远气动液压船舶辅机有限公司 | Change/speed-regulating hydraulic cylinder apparatus |
| CN107514438A (en) * | 2016-07-23 | 2017-12-26 | 襄阳博亚精工装备股份有限公司 | A kind of two-way hydraulic buffer |
| CN107435668B (en) * | 2017-09-13 | 2023-11-24 | 中国林业科学研究院林业新技术研究所 | Method for operating bidirectional mechanical contact type reversing valve |
| CN107991075A (en) * | 2017-11-22 | 2018-05-04 | 上海思源高压开关有限公司 | A kind of breaker operation mechanism running-in testing apparatus |
| CN109026902B (en) * | 2018-09-04 | 2021-02-12 | 韶关液压件厂有限公司 | Multi-damping-hole-type buffer hydraulic cylinder with movable cylinder head |
| CN111425483B (en) * | 2020-04-17 | 2022-04-22 | 河海大学常州校区 | Oil cylinder tail end buffering device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2334413A1 (en) * | 1973-07-06 | 1975-01-30 | Wabco Westinghouse Gmbh | PNEUMATIC ACTUATOR |
| CN2265450Y (en) * | 1996-08-08 | 1997-10-22 | 顺德市永铿机械有限公司 | Double-layer adjustable single direction damping hydro-cylinder |
| CN2283149Y (en) * | 1997-02-28 | 1998-06-03 | 乐清市巨星有限公司 | Adjustable hydraulic damper |
| CN201526636U (en) * | 2009-11-03 | 2010-07-14 | 宜昌市燕狮科技开发有限责任公司 | Low-speed bidirectional regulating type hydraulic buffer |
-
2009
- 2009-11-03 CN CN2009101744412A patent/CN101737376B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2334413A1 (en) * | 1973-07-06 | 1975-01-30 | Wabco Westinghouse Gmbh | PNEUMATIC ACTUATOR |
| CN2265450Y (en) * | 1996-08-08 | 1997-10-22 | 顺德市永铿机械有限公司 | Double-layer adjustable single direction damping hydro-cylinder |
| CN2283149Y (en) * | 1997-02-28 | 1998-06-03 | 乐清市巨星有限公司 | Adjustable hydraulic damper |
| CN201526636U (en) * | 2009-11-03 | 2010-07-14 | 宜昌市燕狮科技开发有限责任公司 | Low-speed bidirectional regulating type hydraulic buffer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101737376A (en) | 2010-06-16 |
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