CN102887461A - Winch braking cylinder - Google Patents
Winch braking cylinder Download PDFInfo
- Publication number
- CN102887461A CN102887461A CN2012103854940A CN201210385494A CN102887461A CN 102887461 A CN102887461 A CN 102887461A CN 2012103854940 A CN2012103854940 A CN 2012103854940A CN 201210385494 A CN201210385494 A CN 201210385494A CN 102887461 A CN102887461 A CN 102887461A
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- CN
- China
- Prior art keywords
- piston rod
- cylinder body
- piston
- winch
- rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Abstract
The invention relates to a winch braking cylinder, comprising a cylinder body and a piston rod; the innovation point of the winch braking cylinder is that the piston rod is of a double-rod structure; the middle part of the piston rod is provided with a piston; a restoring spring is sleeved on a piston rod body of one side of the piston; an oil inlet-outlet port is arranged on the side wall of a cavity of the cylinder body, on which the restoring spring is not arranged, and an exhaust port is arranged on the side wall of the cavity of the cylinder body, on which the restoring spring is arranged is arranged. When the cavity is filled with oil, the piston rod is driven to move in order to eliminate the brake of a drum of the winch, when the oil is exhausted from the cylinder body, the piston rod automatically restores under the action of the restoring spring so as to lick the drum of the winch.
Description
Technical field
The present invention relates to a kind of winch brake cylinder, particularly a kind of winch brake cylinder with auto-lock function.
Background technology
Winch mainly applies to build, material lifting or flat the dragging of hydraulic engineering, forestry, mine, harbour etc.Driving drg by brake cylinder during the winch braking realizes.Traditional brake cylinder is conventional hydraulic ram.Its shortcoming is: all need Hydraulic Station to provide pressure to realize in the time of need to be to capstan drum braking or cancellation braking, and when Hydraulic Station breaks down suddenly, may self-locking, there is certain potential safety hazard.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of winch brake cylinder with auto-lock function.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of winch brake cylinder, comprise cylinder body and piston rod, and its innovative point is: described piston rod is two rod structures, and piston is installed at the middle part of piston rod; Be set with retracing spring on the piston rod body of rod of described piston one side, and the cavity wall that described cylinder body is not installed retracing spring drives oil outlet into, the cavity wall that cylinder body the is installed retracing spring gas port that begins to rehearse.
Further, described retracing spring is comprised of the disk spring stack.
The invention has the advantages that: when oil-filled in the cylinder body, the braking of pushing piston bar movement canceling capstan drum, after discharging oil in the cylinder body, the locking capstan drum thereby piston rod automatically resets under the effect of retracing spring.
Description of drawings
Fig. 1 is winch brake cylinder structural representation of the present invention.
The specific embodiment
As shown in Figure 1, comprise cylinder body 1 and piston rod 2, this piston rod 2 is two rod structures, and piston 3 is installed at the middle part of piston rod 2.Be set with retracing spring on the piston rod body of rod of piston 3 one sides, retracing spring is comprised of disk spring 4 stacks.And the cavity wall that cylinder body 1 is not installed retracing spring drives oil outlet 5 into, the cavity wall that cylinder body 1 the is installed retracing spring gas port 6 that begins to rehearse.
Under the normal condition, under the effect of retracing spring, the drg that piston rod 2 promotes on the capstan drum is held the maintenance braking mode tightly; During the cancellation braking, by Hydraulic Station cylinder body 1 is carried out fuel feeding, so that oppositely mobile promotion drg cancellation braking of piston rod 3; When Hydraulic Station broke down, under the action of reset spring, drg was held tightly automatically, avoided occurring safety misadventure.
Claims (2)
1. a winch brake cylinder comprises cylinder body and piston rod, it is characterized in that: described piston rod is two rod structures, and piston is installed at the middle part of piston rod; Be set with retracing spring on the piston rod body of rod of described piston one side, and the cavity wall that described cylinder body is not installed retracing spring drives oil outlet into, the cavity wall that cylinder body the is installed retracing spring gas port that begins to rehearse.
2. winch brake cylinder according to claim 1 is characterized in that: described retracing spring is comprised of the disk spring stack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103854940A CN102887461A (en) | 2012-10-12 | 2012-10-12 | Winch braking cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103854940A CN102887461A (en) | 2012-10-12 | 2012-10-12 | Winch braking cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102887461A true CN102887461A (en) | 2013-01-23 |
Family
ID=47531168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103854940A Pending CN102887461A (en) | 2012-10-12 | 2012-10-12 | Winch braking cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102887461A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006024A (en) * | 2014-06-12 | 2014-08-27 | 苏州劳灵精密机械有限公司 | Single-action tension cylinder |
| CN112901687A (en) * | 2019-11-26 | 2021-06-04 | 江苏新迈机械有限公司 | Winch spring cylinder with braking function, working method of winch spring cylinder and winch |
| CN114873154A (en) * | 2022-06-08 | 2022-08-09 | 泰安英迪利机电科技有限公司 | Belt conveyor conveyer belt tensioning device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2456182A1 (en) * | 1974-11-28 | 1976-08-12 | Emde Siegerland Bremsen | Toggle operated brake assembly - has shoes spring biassed onto drum releasable by solenoid lever |
| CN2542638Y (en) * | 2002-05-10 | 2003-04-02 | 江苏如石机械有限公司 | Winch spring cylinder brake |
| CN101475131A (en) * | 2009-01-23 | 2009-07-08 | 中国矿业大学 | Reliable disk brake of elevator |
| CN201650155U (en) * | 2010-04-20 | 2010-11-24 | 通化石油化工机械制造有限责任公司 | Single-drum drilling workover rig |
| CN202279658U (en) * | 2011-08-25 | 2012-06-20 | 湖南创安防爆电器有限公司 | Inertial braking oil cylinder for lifting winch |
| CN202322139U (en) * | 2011-11-14 | 2012-07-11 | 李汉鸿 | Multi-station hoisting windlass for pontoon |
| CN202953780U (en) * | 2012-10-12 | 2013-05-29 | 南通力威机械有限公司 | Brake cylinder for winch |
-
2012
- 2012-10-12 CN CN2012103854940A patent/CN102887461A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2456182A1 (en) * | 1974-11-28 | 1976-08-12 | Emde Siegerland Bremsen | Toggle operated brake assembly - has shoes spring biassed onto drum releasable by solenoid lever |
| CN2542638Y (en) * | 2002-05-10 | 2003-04-02 | 江苏如石机械有限公司 | Winch spring cylinder brake |
| CN101475131A (en) * | 2009-01-23 | 2009-07-08 | 中国矿业大学 | Reliable disk brake of elevator |
| CN201650155U (en) * | 2010-04-20 | 2010-11-24 | 通化石油化工机械制造有限责任公司 | Single-drum drilling workover rig |
| CN202279658U (en) * | 2011-08-25 | 2012-06-20 | 湖南创安防爆电器有限公司 | Inertial braking oil cylinder for lifting winch |
| CN202322139U (en) * | 2011-11-14 | 2012-07-11 | 李汉鸿 | Multi-station hoisting windlass for pontoon |
| CN202953780U (en) * | 2012-10-12 | 2013-05-29 | 南通力威机械有限公司 | Brake cylinder for winch |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006024A (en) * | 2014-06-12 | 2014-08-27 | 苏州劳灵精密机械有限公司 | Single-action tension cylinder |
| CN112901687A (en) * | 2019-11-26 | 2021-06-04 | 江苏新迈机械有限公司 | Winch spring cylinder with braking function, working method of winch spring cylinder and winch |
| CN114873154A (en) * | 2022-06-08 | 2022-08-09 | 泰安英迪利机电科技有限公司 | Belt conveyor conveyer belt tensioning device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130123 |