CN110469557B - Oil pressure cylinder with self-locking function - Google Patents
Oil pressure cylinder with self-locking function Download PDFInfo
- Publication number
- CN110469557B CN110469557B CN201910878244.2A CN201910878244A CN110469557B CN 110469557 B CN110469557 B CN 110469557B CN 201910878244 A CN201910878244 A CN 201910878244A CN 110469557 B CN110469557 B CN 110469557B
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- China
- Prior art keywords
- cylinder body
- channel
- oil
- locking
- plunger
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- 239000003921 oil Substances 0.000 claims description 96
- 238000007789 sealing Methods 0.000 claims description 23
- 239000010720 hydraulic oil Substances 0.000 claims description 19
- 238000004891 communication Methods 0.000 claims description 3
- 239000011521 glass Substances 0.000 abstract description 14
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000003754 machining Methods 0.000 abstract description 2
- 238000005498 polishing Methods 0.000 description 4
- 238000007688 edging Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
- B24B9/06—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain
- B24B9/08—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/26—Locking mechanisms
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Actuator (AREA)
Abstract
The invention discloses an oil pressure cylinder with a self-locking function, which comprises a first cylinder body, a second cylinder body, a middle connecting cylinder body and a piston rod, wherein the first cylinder body, the middle connecting cylinder body and the second cylinder body are arranged in parallel and are connected together through a connecting pull rod, and the piston rod transversely penetrates through the three cylinder bodies; the piston rod is integrally connected with a first plunger and a second plunger, and the first plunger is slidably connected in the first cylinder body and divides the interior of the first cylinder body into two horizontal parallel chambers. The beneficial effects are that: the position of the grinding head can be adjusted and locked, so that the glass is prevented from moving, and the glass is convenient to grind and polish; the structure is simple, and the piston rod is locked through the vertically arranged locking rod, so that the position of the grinding head is kept unchanged during machining, and the working stability of the grinding head is improved.
Description
Technical Field
The invention relates to the field of glass production, in particular to an oil pressure cylinder with a self-locking function.
Background
Glass edging machines are one of the earliest and largest-used mechanical devices among glass deep-processing equipment. The main function is to grind the glass flat and to make some special shapes. The edging machine realizes grinding and polishing of glass mainly through a grinding head motor and a grinding wheel.
The applicant found that at least the following technical problems exist in the prior art: the grinding wheel of the edging machine has larger loss in the use process, after the grinding wheel is worn to a certain extent, the pressure between the grinding wheel and glass in the processing process can be reduced, so that the grinding and polishing effects are poor, and when the grinding wheels with different thicknesses are replaced, the positions of the grinding wheels cannot be adjusted, so that the positions of the glass are required to be readjusted, and the position adjustment of the glass with larger or heavier size is inconvenient.
Disclosure of Invention
The invention aims to solve the problems and provide the oil pressure cylinder with the self-locking function, which is convenient for adjusting the position of the grinding wheel and can lock the position, thereby ensuring the grinding and polishing effects.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the invention provides an oil pressure cylinder with a self-locking function, which comprises a first cylinder body, a second cylinder body, a middle connecting cylinder body and a piston rod, wherein the first cylinder body, the middle connecting cylinder body and the second cylinder body are arranged in parallel and are connected together through a connecting pull rod, and the piston rod transversely penetrates through the three cylinder bodies;
the piston rod is integrally connected with a first plunger and a second plunger, the first plunger is slidably connected in the first cylinder body, the interior of the first cylinder body is divided into two horizontally parallel chambers, the two chambers are respectively a first air chamber and a first oil chamber, the second plunger is slidably connected in the second cylinder body, the interior of the second cylinder body is also divided into two horizontally parallel chambers, the two chambers are respectively a second oil chamber and a second air chamber, the first oil chamber and the second oil chamber are respectively positioned at two sides of the middle connecting cylinder body, an oil path channel is formed in the middle connecting cylinder body, the communication between the first oil chamber and the second oil chamber is realized, hydraulic oil is filled in the first oil chamber and the second oil chamber, a locking cylinder body is arranged above the middle connecting cylinder body, and a locking rod capable of stopping the oil path channel is arranged on the locking cylinder body;
the first cylinder body is provided with a first air vent communicated with the first air cavity, and the second cylinder body is provided with a second air vent communicated with the second air cavity.
By adopting the oil pressure cylinder with the self-locking function, one end of the piston rod extending out of the first cylinder body is a working end connected with the grinding head, when the grinding force of the grinding head needs to be improved, the second air cavity is charged to push the second plunger to move towards the second oil cavity side, at the moment, the oil channel is in a conducting state, hydraulic oil in the second oil cavity enters the first oil cavity through the oil channel, so that the whole piston rod moves towards the working end to further push the grinding head towards the glass side, after the grinding head moves to a required position, the air in the third air cavity is discharged through the third air port, so that the elastic force of the elastic piece pushes the locking rod downwards, the lower end of the locking rod is inserted into the middle of the oil channel to block the oil channel, the hydraulic oil in the second oil cavity is prevented from flowing into the first oil cavity, so that the piston rod is kept at a fixed position and the second air vent stops air intake to realize the locking of the grinding head position, when the thickness of the grinding head is large, the whole piston rod is required to move towards the second cylinder body side, the third air cavity is air-intake to push the locking rod to move upwards, the oil passage is in a conducting state, the first air cavity is air-intake to push the first plunger to move towards the first oil cavity side to reduce the volume of the first oil cavity, hydraulic oil in the first oil cavity enters the second oil cavity through the oil passage to gradually increase the volume of the second oil cavity and simultaneously push the second plunger to move towards the second air cavity side, air in the second air cavity is discharged through the second air vent to retract the working end of the piston rod, when the grinding head moves to a required position, the third air cavity is exhausted again, so that the locking rod stretches into the oil path channel under the action of the elastic piece to stop the oil path channel, and the position locking of the piston rod is realized.
Preferably, three annular grooves are formed in the outer circular surfaces of the first plunger and the second plunger, a pneumatic sealing ring, a wear-resisting ring and a hydraulic oil sealing ring are respectively arranged in the three grooves, wherein the oil sealing ring is located on one side, close to the middle connecting cylinder body, of the hydraulic oil sealing ring, and the wear-resisting ring is located between the pneumatic sealing ring and the hydraulic oil sealing ring.
Preferably, the first vent and the second vent are both located at an end remote from the locking cylinder.
Preferably, the oil path channel has three sections, namely a first channel, a second channel and a cut-off channel between the first channel and the second channel, wherein the first channel and the second channel are horizontally arranged and are respectively connected with the first oil cavity and the second oil cavity, the first channel and the second channel have a height difference, and the cut-off channel is a vertical channel and is respectively connected with the first channel and the second channel.
Preferably, the locking rod upper end is integrally connected with a third plunger, the third plunger is vertically and slidably mounted in the locking cylinder body, the lower end of the locking rod extends into the cut-off channel, an elastic piece is arranged above the third plunger and is positioned inside the locking cylinder body and used for applying downward pushing force to the locking rod, a third air vent is formed in the locking cylinder body and communicated with a third air cavity in the locking cylinder body, and the third air cavity is a cavity below the third plunger.
Preferably, the elastic member is a spring.
Preferably, a groove is formed in the outer circumferential surface of the third plunger, and a wear-resistant ring is installed in the groove.
Preferably, sealing rings are mounted at the positions where the first cylinder, the intermediate connection cylinder and the second cylinder are connected with the piston rod.
The beneficial effects are that: 1. the invention can realize the adjustment and locking of the grinding head position, thereby avoiding the movement of the glass and facilitating the grinding and polishing of the glass;
2. the structure is simple, and the piston rod is locked through the vertically arranged locking rod, so that the position of the grinding head is kept unchanged during machining, and the working stability of the grinding head is improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an internal block diagram of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 in accordance with the present invention;
FIG. 3 is a front view of the present invention;
fig. 4 is a perspective view of the present invention.
The reference numerals are explained as follows:
1. a working end; 2. a first cylinder; 201. a first vent; 202. a first air chamber; 203. a first oil chamber; 3. locking the cylinder body; 301. a third vent; 302. a third air chamber; 4. a second cylinder; 401. a second vent; 402. a second oil chamber; 403. a second air chamber; 5. a piston rod; 501. a first plunger; 502. a second plunger; 6. the middle is connected with a cylinder body; 601. an oil passage; 601a, a first channel; 601b, shut off the channel; 601c, a second channel; 7. an elastic member; 8. a locking lever; 801. a third plunger; 9. and (5) connecting a rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, based on the examples herein, which are within the scope of the invention as defined by the claims, will be within the scope of the invention as defined by the claims.
Referring to fig. 1-4, the invention provides an oil pressure cylinder with a self-locking function, which comprises a first cylinder body 2, a second cylinder body 4, a middle connecting cylinder body 6 and a piston rod 5, wherein the first cylinder body 2, the middle connecting cylinder body 6 and the second cylinder body 4 are arranged in parallel, the three cylinders are connected together through connecting pull rods 9, the four connecting rods 9 are respectively inserted into four corners of the three cylinders, the two ends of the connecting rods 9 are locked through nuts, and the piston rod 5 transversely penetrates through the three cylinders;
the piston rod 5 is integrally connected with a first plunger 501 and a second plunger 502, the first plunger 501 is slidably connected in the first cylinder 2 and divides the interior of the first cylinder 2 into two horizontally parallel chambers, the two chambers are respectively a first air cavity 202 and a first oil cavity 203, the second plunger 502 is slidably connected in the second cylinder 4 and divides the interior of the second cylinder 4 into two horizontally parallel chambers, the two chambers are respectively a second oil cavity 402 and a second air cavity 403, the first oil cavity 203 and the second oil cavity 402 are respectively positioned at two sides of the intermediate connecting cylinder 6, an oil path 601 is formed in the intermediate connecting cylinder 6 to realize the communication between the first oil cavity 203 and the second oil cavity 402, hydraulic oil is filled in the first oil cavity 203 and the second oil cavity 402, a locking cylinder 3 is arranged above the intermediate connecting cylinder 6, and a locking rod 8 capable of blocking the oil path 601 is arranged on the locking cylinder 3;
the first cylinder body 2 is provided with a first air vent 201 communicated with the first air cavity 202, and the second cylinder body 4 is provided with a second air vent 401 communicated with the second air cavity 403.
Preferably, three annular grooves are formed in the outer circumferential surfaces of the first plunger 501 and the second plunger 502, and a pneumatic sealing ring, a wear-resisting ring and a hydraulic oil sealing ring are respectively arranged in the three grooves, wherein the hydraulic oil sealing ring is located on one side, close to the middle connecting cylinder body 6, of the hydraulic oil sealing ring, the wear-resisting ring is located between the pneumatic sealing ring and the hydraulic oil sealing ring, the pneumatic sealing ring is convenient to seal an air cavity, the hydraulic oil sealing ring is convenient to seal an oil cavity, the plunger is guided through the wear-resisting ring, and the piston rod 5 moves stably in the horizontal direction.
The first air vent 201 and the second air vent 401 are both located at one end far away from the locking cylinder body 3, and are arranged in such a way that air in the first air cavity 202 is conveniently in and out through the first air vent 201, air in the second air cavity 403 is conveniently in and out through the second air vent 401, and air supply and exhaust are controlled between the first air vent 201 and the second air vent 401 through an electromagnetic valve.
The oil path channel 601 has three sections, namely a first channel 601a, a second channel 601c and a stop channel 601b positioned between the first channel 601a and the second channel 601c, wherein the first channel 601a and the second channel 601c are horizontally arranged and are respectively connected with the first oil cavity 203 and the second oil cavity 402, the first channel 601a and the second channel 601c are provided with a height difference, the stop channel 601b is a vertical channel and is respectively connected with the first channel 601a and the second channel 601c, and the arrangement is such that the first channel 601a and the second channel 601c are arranged into a step type with staggered height, so that when the locking rod 8 is inserted into the stop channel 601b, the stable state of the locking rod 8 at the locking position can be ensured.
The locking rod 8 upper end is connected with the third plunger 801 in an integral manner, the third plunger 801 is vertically installed in the locking cylinder 3 in a sliding manner, the lower end of the locking rod 8 stretches into the cut-off channel 601b, an elastic piece 7 is arranged above the third plunger 801 and is located inside the locking cylinder 3 and used for applying downward pushing force to the locking rod 8, a third air vent 301 is formed in the locking cylinder 3, the third air vent 301 is communicated with a third air cavity 302 in the locking cylinder 3, the third air cavity 302 is a cavity below the third plunger 801, the arrangement is convenient for achieving air inlet and air exhaust of the third air cavity 302 through the third air vent 301, when the third air cavity 302 is exhausted, the elastic force of the elastic piece 7 is recovered and pushes the third plunger 801 to move downwards, and the lower end of the locking rod 8 is inserted into the cut-off channel 601 b.
The elastic member 7 is a spring.
The outer circle surface of the third plunger 801 is provided with a groove, and a wear-resistant ring is arranged in the groove, so that the locking rod 8 is conveniently guided through the wear-resistant ring, and the matching precision of the locking rod 8 and the cut-off channel 601b is ensured.
Sealing rings are arranged at the connection parts of the first cylinder body 2, the middle connecting cylinder body 6 and the second cylinder body 4 and the piston rod 5.
With the above structure, the end of the piston rod 5 extending out of the first cylinder 2 is the working end 1 connected with the grinding head, when the grinding force of the grinding head needs to be increased, the second air cavity 403 is charged to push the second plunger 502 to move toward the second oil cavity 402, at this time, the oil channel 601 is in a conducting state, hydraulic oil in the second oil cavity 402 enters the first oil cavity 203 through the oil channel 601, so that the piston rod 5 moves toward the working end 1 as a whole, the grinding head is pushed toward the glass side, after the grinding head moves to a required position, the air in the third air cavity 302 is discharged through the third air vent 301, so that the elastic force of the elastic member 7 pushes the locking rod 8 downward, the lower end of the locking rod 8 is inserted into the middle of the oil channel 601 to block the oil channel 601, the hydraulic oil in the second oil cavity 402 is prevented from flowing into the first oil cavity 203, so that the piston rod 5 is kept at a fixed position and the second air vent 401 stops air intake to realize the locking of the grinding head position, when the thickness of the grinding head is larger, the whole piston rod 5 is required to move towards the second cylinder body 4 side, the third air cavity 302 is air-taken, the locking rod 8 is pushed to move upwards, the oil way channel 601 is in a conducting state, the first air cavity 202 is simultaneously air-taken, the first plunger 501 is pushed to move towards the first oil cavity 203 side, the volume of the first oil cavity 203 is reduced, the hydraulic oil in the first oil cavity 203 enters the second oil cavity 402 through the oil way channel 601, the volume of the second oil cavity 402 is gradually increased, the second plunger 502 is pushed to move towards the second air cavity 403 side, the air in the second air cavity 403 is discharged through the second air vent 401, therefore, the working end 1 of the piston rod 5 is retracted, when the grinding head moves to a required position, the third air cavity 302 is exhausted again, the locking rod 8 stretches into the oil path channel 601 under the action of the elastic piece 7, the oil path channel 601 is blocked, and therefore the position locking of the piston rod 5 is achieved.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. An oil pressure cylinder with self-locking function, its characterized in that: the hydraulic cylinder comprises a first cylinder body, a second cylinder body, a middle connecting cylinder body and a piston rod, wherein the first cylinder body, the middle connecting cylinder body and the second cylinder body are arranged in parallel and are connected together through a connecting pull rod, and the piston rod transversely penetrates through the three cylinder bodies;
the piston rod is integrally connected with a first plunger and a second plunger, the first plunger is slidably connected in the first cylinder body, the interior of the first cylinder body is divided into two horizontally parallel chambers, the two chambers are respectively a first air chamber and a first oil chamber, the second plunger is slidably connected in the second cylinder body, the interior of the second cylinder body is also divided into two horizontally parallel chambers, the two chambers are respectively a second oil chamber and a second air chamber, the first oil chamber and the second oil chamber are respectively positioned at two sides of the middle connecting cylinder body, an oil path channel is formed in the middle connecting cylinder body, the communication between the first oil chamber and the second oil chamber is realized, hydraulic oil is filled in the first oil chamber and the second oil chamber, a locking cylinder body is arranged above the middle connecting cylinder body, and a locking rod capable of stopping the oil path channel is arranged on the locking cylinder body;
the first cylinder body is provided with a first air vent communicated with the first air cavity, and the second cylinder body is provided with a second air vent communicated with the second air cavity.
2. The oil pressure cylinder with self-locking function according to claim 1, wherein: three annular grooves are formed in the outer circular surfaces of the first plunger and the second plunger, a pneumatic sealing ring, a wear-resisting ring and a hydraulic oil sealing ring are respectively arranged in the three grooves, wherein the oil sealing ring is located on one side, close to the middle connecting cylinder body, of the oil sealing ring, and the wear-resisting ring is located between the pneumatic sealing ring and the hydraulic oil sealing ring.
3. The oil pressure cylinder with self-locking function according to claim 1, wherein: the first air vent and the second air vent are both positioned at one end far away from the locking cylinder body.
4. The oil pressure cylinder with self-locking function according to claim 1, wherein: the oil way channel is divided into three sections, namely a first channel, a second channel and a cut-off channel positioned between the first channel and the second channel, wherein the first channel and the second channel are horizontally arranged and are respectively connected with the first oil cavity and the second oil cavity, the first channel and the second channel are provided with height differences, and the cut-off channel is a vertical channel and is respectively connected with the first channel and the second channel.
5. The oil pressure cylinder with self-locking function according to claim 4, wherein: the locking device is characterized in that a third plunger is integrally connected to the upper end of the locking rod, the third plunger is vertically and slidably mounted in the locking cylinder body, the lower end of the locking rod stretches into the cut-off channel, an elastic piece is arranged above the third plunger and located inside the locking cylinder body and used for applying downward pushing force to the locking rod, a third air vent is formed in the locking cylinder body and communicated with a third air cavity in the locking cylinder body, and the third air cavity is a cavity below the third plunger.
6. The oil pressure cylinder with self-locking function according to claim 5, wherein: the elastic piece is a spring.
7. The oil pressure cylinder with self-locking function according to claim 5, wherein: and a groove is formed in the outer circular surface of the third plunger, and a wear-resistant ring is arranged in the groove.
8. The oil pressure cylinder with self-locking function according to any one of claims 1 to 7, characterized in that: the sealing rings are arranged at the positions of the first cylinder body, the middle connecting cylinder body and the connection part of the second cylinder body and the piston rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910878244.2A CN110469557B (en) | 2019-09-17 | 2019-09-17 | Oil pressure cylinder with self-locking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910878244.2A CN110469557B (en) | 2019-09-17 | 2019-09-17 | Oil pressure cylinder with self-locking function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110469557A CN110469557A (en) | 2019-11-19 |
| CN110469557B true CN110469557B (en) | 2024-03-08 |
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ID=68516067
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910878244.2A Active CN110469557B (en) | 2019-09-17 | 2019-09-17 | Oil pressure cylinder with self-locking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110469557B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113199295B (en) * | 2021-05-29 | 2022-11-25 | 济南国柱机械有限公司 | Damping device for machining with locking function |
| CN114060331B (en) * | 2021-12-07 | 2022-09-16 | 兰州交通大学 | Column type hydraulic bidirectional propulsion locking device |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29507142U1 (en) * | 1995-04-28 | 1995-07-06 | Festo Kg, 73734 Esslingen | Linear motion device |
| DE4412272A1 (en) * | 1994-04-09 | 1995-10-12 | Rexroth Mannesmann Gmbh | Compact hydraulic assembly useful esp. for pressurising hollow body |
| DE19821343A1 (en) * | 1998-05-13 | 1999-12-02 | Estebanez Eva Garcia | Pneumatic brake cylinder with piston and piston rod |
| US6082243A (en) * | 1997-03-15 | 2000-07-04 | Fev Motorentechnik Gmbh & Co. Kg | Fluid controlled switching unit |
| WO2006133797A1 (en) * | 2005-06-14 | 2006-12-21 | Bosch Rexroth Ag | Hydraulically actuated clamping unit and hydraulic control shaft embodied therewith |
| CN102753840A (en) * | 2009-12-28 | 2012-10-24 | 费希尔控制国际公司 | Apparatus to increase a force of an actuator having an override apparatus |
| CN104265731A (en) * | 2014-10-27 | 2015-01-07 | 广西睿源科技有限公司 | Hydraulic cylinder with self-locking device |
| CN104265723A (en) * | 2014-08-13 | 2015-01-07 | 合肥长源液压股份有限公司 | Combined-type pneumatic hydraulic cylinder |
| CN104329314A (en) * | 2014-09-28 | 2015-02-04 | 北京建筑大学 | Damping device |
| CN205078548U (en) * | 2015-10-10 | 2016-03-09 | 泸州长江液压密封件有限公司 | Pneumatic cylinder of hydraulic pressure lock is taken at middle part |
| CN206338281U (en) * | 2016-12-31 | 2017-07-18 | 东莞市贺尔碧格自动化科技有限公司 | The cylinder of circuit boring machine |
| CN107250566A (en) * | 2014-11-19 | 2017-10-13 | 萨博公司 | Fluid actuator equipment |
| CN108050130A (en) * | 2017-12-30 | 2018-05-18 | 广东顺德普南气动科技有限公司 | Locking cylinder |
| CN108253077A (en) * | 2017-12-13 | 2018-07-06 | 深圳市罗伯医疗机器人研究所 | A kind of binary channels variable damping force hydraulic cylinder |
| CN210461256U (en) * | 2019-09-17 | 2020-05-05 | 广东金玻智能装备有限公司 | Oil pressure cylinder with self-locking function |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3776081B2 (en) * | 2002-12-16 | 2006-05-17 | 株式会社巴技術研究所 | Valve drive actuator |
| US9586676B2 (en) * | 2014-04-01 | 2017-03-07 | The Boeing Company | Pneumatic positioning system |
-
2019
- 2019-09-17 CN CN201910878244.2A patent/CN110469557B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4412272A1 (en) * | 1994-04-09 | 1995-10-12 | Rexroth Mannesmann Gmbh | Compact hydraulic assembly useful esp. for pressurising hollow body |
| DE29507142U1 (en) * | 1995-04-28 | 1995-07-06 | Festo Kg, 73734 Esslingen | Linear motion device |
| US6082243A (en) * | 1997-03-15 | 2000-07-04 | Fev Motorentechnik Gmbh & Co. Kg | Fluid controlled switching unit |
| DE19821343A1 (en) * | 1998-05-13 | 1999-12-02 | Estebanez Eva Garcia | Pneumatic brake cylinder with piston and piston rod |
| WO2006133797A1 (en) * | 2005-06-14 | 2006-12-21 | Bosch Rexroth Ag | Hydraulically actuated clamping unit and hydraulic control shaft embodied therewith |
| CN102753840A (en) * | 2009-12-28 | 2012-10-24 | 费希尔控制国际公司 | Apparatus to increase a force of an actuator having an override apparatus |
| CN104265723A (en) * | 2014-08-13 | 2015-01-07 | 合肥长源液压股份有限公司 | Combined-type pneumatic hydraulic cylinder |
| CN104329314A (en) * | 2014-09-28 | 2015-02-04 | 北京建筑大学 | Damping device |
| CN104265731A (en) * | 2014-10-27 | 2015-01-07 | 广西睿源科技有限公司 | Hydraulic cylinder with self-locking device |
| CN107250566A (en) * | 2014-11-19 | 2017-10-13 | 萨博公司 | Fluid actuator equipment |
| CN205078548U (en) * | 2015-10-10 | 2016-03-09 | 泸州长江液压密封件有限公司 | Pneumatic cylinder of hydraulic pressure lock is taken at middle part |
| CN206338281U (en) * | 2016-12-31 | 2017-07-18 | 东莞市贺尔碧格自动化科技有限公司 | The cylinder of circuit boring machine |
| CN108253077A (en) * | 2017-12-13 | 2018-07-06 | 深圳市罗伯医疗机器人研究所 | A kind of binary channels variable damping force hydraulic cylinder |
| CN108050130A (en) * | 2017-12-30 | 2018-05-18 | 广东顺德普南气动科技有限公司 | Locking cylinder |
| CN210461256U (en) * | 2019-09-17 | 2020-05-05 | 广东金玻智能装备有限公司 | Oil pressure cylinder with self-locking function |
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| CN110469557A (en) | 2019-11-19 |
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