CN105387021A - Built-in guide oil cylinder - Google Patents
Built-in guide oil cylinder Download PDFInfo
- Publication number
- CN105387021A CN105387021A CN201510998087.0A CN201510998087A CN105387021A CN 105387021 A CN105387021 A CN 105387021A CN 201510998087 A CN201510998087 A CN 201510998087A CN 105387021 A CN105387021 A CN 105387021A
- Authority
- CN
- China
- Prior art keywords
- end cap
- piston
- oil
- rod
- guiding
- 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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Classifications
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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
- F15B15/1423—Component parts; Constructional details
- F15B15/1471—Guiding means other than in the end cap
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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
- F15B15/1423—Component parts; Constructional details
-
- 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
- F15B15/1423—Component parts; Constructional details
- F15B15/1438—Cylinder to end cap assemblies
- F15B15/1442—End cap sealings
-
- 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
- F15B2215/00—Fluid-actuated devices for displacing a member from one position to another
- F15B2215/30—Constructional details thereof
Abstract
The invention discloses a built-in guide oil cylinder which comprises a lower end cover, a cylinder barrel, a right guide rod, a left guide rod, an upper end cover, a piston rod, a piston, an upper oil cavity, a lower oil cavity, upper screws and lower screws. According to the built-in guide oil cylinder, a guide device is installed in the oil cylinder, in the movement process of the oil cylinder, on one hand, the radial guiding action of the oil cylinder is enhanced, and on the other hand, rotation of the oil cylinder is limited, and circumferential guiding of the oil cylinder is reliably achieved. The built-in guide oil cylinder is simple in structure and reliable in work, solves the problem that the installing space and condition of the external accessory guide device of the oil cylinder are limited, can be applied to the occasions where circumferential rotating in the movement process of the oil cylinder is limited and has the wide application prospect.
Description
Technical field
The present invention relates to a kind of guiding oil cylinder, be specifically related to the built-in guiding oil cylinder of one that a kind of guiding device is installed on oil cylinder inside, belong to electric and field of electromechanical technology.
Background technique
At present, hydraulic jack has been widely used in, in all kinds of mechanized equipment, under common applied environment, utilizing hydraulic jack, by larger working force, realizes straight line motion.The guiding problem of oil cylinder in linear motion; major part is by arranging guide ring or guiding brings realization in cylinder cover and on piston; in cylinder cover He on piston, guide ring or guidance tape are set; the problem that cylinder piston rod or plunger rotate in a circumferential direction can not be solved; for the occasion needing restriction oil cylinder to rotate in a circumferential direction, the guiding device that often can add in the outer installment of oil cylinder.And in some special occasions, space and condition that outside additional guide is set cannot be met, so, must consider to arrange in oil cylinder inside guiding device, ensure to prevent rotating in a circumferential direction of oil cylinder by the guide function of oil cylinder.In the application, a kind of built-in guiding oil cylinder, solve installing space and the restricted problem of condition of oil cylinder external accessory guiding device, guiding device is installed on oil cylinder inside, strengthen the radially-directed effect of oil cylinder, reliably achieve the circumference guiding of oil cylinder simultaneously, prevent the circumference of oil cylinder from rotating.
Summary of the invention
The object of the present invention is to provide a kind of built-in guiding oil cylinder.
The technical solution used in the present invention is: a kind of built-in guiding oil cylinder, comprises lower end cap, cylinder barrel, right guide rod, left guide rod, upper end cap, piston rod, piston, screwing, lower screw, upper oil cavitie and lower oil cavitie; .The upper right quarter of described lower end cap offers lower end cap right guiding rod aperture seat, middle and upper part offers lower end cap oil pocket, upper left quarter offers lower end cap left guiding rod aperture seat, left side offers lower end cap filler opening and lower end cap oil through, lower end cap filler opening is connected with lower oil cavitie by lower end cap oil through, lower end cap oil pocket, and lower end cap top outer circle wall is provided with lower end cap seal ring; Described cylinder barrel top radial direction offers hydraulic fluid port and upper oil through, and upper hydraulic fluid port is connected with upper oil cavitie by upper oil through; The lower right part of described upper end cap offers upper end cap right guiding rod aperture seat, lower left quarter offers upper end cap left guiding rod aperture seat, the centre of upper end cap offers upper end cap rod aperture, upper end cap rod aperture is through upper end cap axially, on the inner peripheral wall of upper end cap rod aperture, upper end cap dust ring, upper end cap inner seal ring, upper end cap guide ring are installed from top to bottom, upper end cap lower outer circumferential wall is provided with upper end cap exterior seal ring; Described piston rod and piston are structure as a whole; The right part of described piston offers the right pilot hole of piston of axial up/down perforation, the inside of the right pilot hole of piston is provided with right guide rod seal ring, the left part of piston offers the left pilot hole of piston of axial up/down perforation, the inside of the left pilot hole of piston is provided with left guide rod seal ring, on the outer circle wall of piston, from top to bottom, piston packing and piston guide ring are installed; Described lower end cap is connected with the bottom of cylinder barrel by lower screw, and realizes sealing by lower end cap seal ring; Described upper end cap is connected with the top of cylinder barrel by screwing, and realizes sealing by upper end cap exterior seal ring; Described piston rod and piston are arranged in cylinder barrel, piston is inner at cylinder barrel, the lumen segmentation of cylinder barrel is become upper oil cavitie and lower oil cavitie two working oil chambers, the piston packing be arranged on outside piston perisporium plays seal action, and the piston guide ring be arranged on outside piston perisporium plays leading role; Upper end cap rod aperture is run through on the top of described piston rod, stretches out in upper end cap rod aperture, and realizes dust-proof by upper end cap dust ring, realizes sealing by upper end cap inner seal ring, realizes guiding by upper end cap guide ring; The bottom cooperation of described right guide rod is arranged in lower end cap right guiding rod aperture seat, the right pilot hole of piston is axially run through down in middle part, and formed with the right pilot hole of piston and be slidably matched, right guide rod seal ring plays seal action, after top is stretched out from the right pilot hole of piston, coordinate and be arranged in upper end cap right guiding rod aperture seat; The bottom cooperation of described left guide rod is arranged in lower end cap left guiding rod aperture seat, the left pilot hole of piston is axially run through down in middle part, and formed with the left pilot hole of piston and be slidably matched, left guide rod seal ring plays seal action, after top is stretched out from the left pilot hole of piston, coordinate and be arranged in upper end cap left guiding rod aperture seat.
When high-voltage oil liquid is by lower end cap filler opening, lower end cap oil through and lower end cap oil pocket enter oil cylinder lower oil cavitie, act on the bottom of piston, overcome the effect of outer load, promote piston rod and piston upwards, the fluid of the upper oil cavitie of oil cylinder is by upper oil through, upper hydraulic fluid port is discharged, piston will move from bottom to top along right guide rod and left guide rod, due to the effect of right guide rod and left guide rod, the radial direction further reducing piston rod and piston is rocked, strengthen the radially-directed effect of piston rod and piston, on the other hand, right guide rod and left guide rod limit the rotation of piston rod and piston, reliably achieve the circumference guiding of piston rod and piston, when high-voltage oil liquid is by upper hydraulic fluid port, upper oil through enters upper oil cavitie, act on the top of piston, promotion piston rod and piston move downward, the fluid of the lower oil cavitie of oil cylinder is by lower end cap oil pocket, lower end cap oil through and lower end cap filler opening are discharged, piston will move from the top down along right guide rod and left guide rod, equally, due to the effect of right guide rod and left guide rod, the radial direction further reducing piston rod and piston is rocked, strengthen the radially-directed effect of piston rod and piston, on the other hand, right guide rod and left guide rod limit the rotation of piston rod and piston, reliably achieve the circumference guiding of piston rod and piston, so, oil cylinder of the present invention can realize the reliable guiding of oil cylinder at movement process.
The profile of described right guide rod and left guide rod is cylindrical body, also can be cuboid or Elliptic Cylinder.
Described lower end cap is connected with the bottom of cylinder barrel by lower screw, also can be, lower end cap is connected with the bottom of cylinder barrel by screw thread.
Described upper end cap is connected with the top of cylinder barrel by screwing, also can be, upper end cap is connected with the top of cylinder barrel by screw thread.
The invention has the beneficial effects as follows:
A kind of built-in guiding oil cylinder, thoroughly solve installing space and the restricted problem of condition of oil cylinder external accessory guiding device, guiding device is installed on oil cylinder inside, strengthen the radially-directed effect in cylinder movement process, reliably achieve the circumference guiding of oil cylinder simultaneously, prevent the circumference of oil cylinder from rotating.
Accompanying drawing explanation
The embodiment provided below in conjunction with accompanying drawing is described in more detail the present invention.
Fig. 1 is structural representation of the present invention.
Embodiment
As shown in Figure 1, a kind of built-in guiding oil cylinder, comprises lower end cap 1, cylinder barrel 2, right guide rod 3, left guide rod 4, upper end cap 5, piston rod 6, piston 7, screwing 8, lower screw 9, upper oil cavitie 10 and lower oil cavitie 11; .The upper right quarter of lower end cap 1 offers lower end cap right guiding rod aperture seat 1-1, middle and upper part offers lower end cap oil pocket 1-2, upper left quarter offers lower end cap left guiding rod aperture seat 1-6, left side offers lower end cap filler opening 1-4 and lower end cap oil through 1-3, lower end cap filler opening 1-4 is connected with lower oil cavitie 11 by lower end cap oil through 1-3, lower end cap oil pocket 1-2, and lower end cap 1 top outer circle wall is provided with lower end cap seal ring 1-5; Cylinder barrel 2 top radial direction offers hydraulic fluid port 2-2 and upper oil through 2-1, and upper hydraulic fluid port 2-2 is connected with upper oil cavitie 10 by upper oil through 2-1; The lower right part of upper end cap 5 offers upper end cap right guiding rod aperture seat 5-1, lower left quarter offers upper end cap left guiding rod aperture seat 5-7, the centre of upper end cap 5 offers upper end cap rod aperture 5-6, upper end cap rod aperture 5-6 is through upper end cap 5 axially, on the inner peripheral wall of upper end cap rod aperture 5-6, upper end cap dust ring 5-3, upper end cap inner seal ring 5-4, upper end cap guide ring 5-5 are installed from top to bottom, upper end cap 5 lower outer circumferential wall is provided with upper end cap exterior seal ring 5-2; Piston rod 6 and piston 7 are structure as a whole; The right part of piston 7 offers the right pilot hole 7-1 of piston of axial up/down perforation, the inside of piston right pilot hole 7-1 is provided with right guide rod seal ring 7-3, the left part of piston 7 offers the left pilot hole 7-5 of piston of axial up/down perforation, the inside of piston left pilot hole 7-5 is provided with left guide rod seal ring 7-6, on the outer circle wall of piston 7, from top to bottom, piston packing 7-2 and piston guide ring 7-4 is installed; Lower end cap 1 is connected with the bottom of cylinder barrel 2 by lower screw 9, and realizes sealing by lower end cap seal ring 1-5; Upper end cap 5 is connected by the top of screwing 8 with cylinder barrel 2, and realizes sealing by upper end cap exterior seal ring 5-2; Piston rod 6 and piston 7 are arranged in cylinder barrel 2, piston 7 is inner at cylinder barrel 2, the lumen segmentation of cylinder barrel 2 is become upper oil cavitie 10 and lower oil cavitie 11 two working oil chambers, the piston packing 7-2 be arranged on piston 7 outer circle wall plays seal action, and the piston guide ring 7-4 be arranged on piston 7 outer circle wall plays leading role; Upper end cap rod aperture 5-6 is run through on the top of piston rod 6, stretches out in upper end cap rod aperture 5-6, and realizes dust-proof by upper end cap dust ring 5-3, realizes sealing by upper end cap inner seal ring 5-4, realizes guiding by upper end cap guide ring 5-5; The bottom cooperation of right guide rod 3 is arranged in lower end cap right guiding rod aperture seat 1-1, the right pilot hole 7-1 of piston is axially run through down at middle part, and formed with the right pilot hole 7-1 of piston and be slidably matched, right guide rod seal ring 7-3 plays seal action, after top is stretched out from the right pilot hole 7-1 of piston, coordinate and be arranged in upper end cap right guiding rod aperture seat 5-1; The bottom cooperation of left guide rod 4 is arranged in lower end cap left guiding rod aperture seat 1-6, the left pilot hole 7-5 of piston is axially run through down at middle part, and formed with the left pilot hole 7-5 of piston and be slidably matched, left guide rod seal ring 7-6 plays seal action, after top is stretched out from the left pilot hole 7-5 of piston, coordinate and be arranged in upper end cap left guiding rod aperture seat 5-7.
When high-voltage oil liquid is by lower end cap filler opening 1-4, lower end cap oil through 1-3 and lower end cap oil pocket 1-2 enters oil cylinder lower oil cavitie 11, act on the bottom of piston 7, overcome the effect of outer load, promotion piston rod 6 and piston 7 move upward, the fluid of the upper oil cavitie 10 of oil cylinder is by upper oil through 2-1, upper hydraulic fluid port 2-2 discharges, piston 7 will move from bottom to top along right guide rod 3 and left guide rod 4, due to the effect of right guide rod 3 and left guide rod 4, the radial direction further reducing piston rod 6 and piston 7 is rocked, strengthen the radially-directed effect of piston rod 6 and piston 7, on the other hand, right guide rod 3 and left guide rod 4 limit the rotation of piston rod 6 and piston 7, reliably achieve the circumference guiding of piston rod 6 and piston 7, when high-voltage oil liquid is by upper hydraulic fluid port 2-2, upper oil through 2-1 enters upper oil cavitie 10, act on the top of piston 7, promotion piston rod 6 and piston 7 move downward, the fluid of the lower oil cavitie 11 of oil cylinder is by lower end cap oil pocket 1-2, lower end cap oil through 1-3 and lower end cap filler opening 1-4 discharges, piston 7 will move from the top down along right guide rod 3 and left guide rod 4, equally, due to the effect of right guide rod 3 and left guide rod 4, the radial direction further reducing piston rod 6 and piston 7 is rocked, strengthen the radially-directed effect of piston rod 6 and piston 7, on the other hand, right guide rod 3 and left guide rod 4 limit the rotation of piston rod 6 and piston 7, reliably achieve the circumference guiding of piston rod 6 and piston 7, so, oil cylinder of the present invention can realize the reliable guiding of oil cylinder in movement process.
Preferably, the profile of above-mentioned right guide rod 3 and left guide rod 4 is cylindrical bodys, also can is cuboid or Elliptic Cylinder.
Preferably, above-mentioned lower end cap 1 is connected by the bottom of screw thread with cylinder barrel 2.
Preferably, above-mentioned upper end cap 5 is connected by the top of screw thread with cylinder barrel 2.
A kind of built-in guiding oil cylinder of the present invention, structure is simple, reliable operation, thoroughly solve installing space and the restricted problem of condition of oil cylinder external accessory guiding device, guiding device is installed on oil cylinder inside, strengthen the radially-directed effect in cylinder movement process, reliably achieve the circumference guiding of oil cylinder simultaneously, prevent the circumference of oil cylinder from rotating.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (4)
1. a built-in guiding oil cylinder, is characterized in that: comprise lower end cap (1), cylinder barrel (2), right guide rod (3), left guide rod (4), upper end cap (5), piston rod (6), piston (7), screwing (8), lower screw (9), upper oil cavitie (10) and lower oil cavitie (11), the upper right quarter of described lower end cap (1) offers lower end cap right guiding rod aperture seat (1-1), middle and upper part offers lower end cap oil pocket (1-2), upper left quarter offers lower end cap left guiding rod aperture seat (1-6), left side offers lower end cap filler opening (1-4) and lower end cap oil through (1-3), lower end cap filler opening (1-4) is connected with lower oil cavitie (11) by lower end cap oil through (1-3), lower end cap oil pocket (1-2), and lower end cap (1) top outer circle wall is provided with lower end cap seal ring (1-5), described cylinder barrel (2) top radial direction offers hydraulic fluid port (2-2) and upper oil through (2-1), and upper hydraulic fluid port (2-2) is connected with upper oil cavitie (10) by upper oil through (2-1), the lower right part of described upper end cap (5) offers upper end cap right guiding rod aperture seat (5-1), lower left quarter offers upper end cap left guiding rod aperture seat (5-7), the centre of upper end cap (5) offers upper end cap rod aperture (5-6), upper end cap rod aperture (5-6) is through upper end cap (5) axially, on the inner peripheral wall of upper end cap rod aperture (5-6), upper end cap dust ring (5-3) is installed from top to bottom, upper end cap inner seal ring (5-4), upper end cap guide ring (5-5), upper end cap (5) lower outer circumferential wall is provided with upper end cap exterior seal ring (5-2), described piston rod (6) and piston (7) are structure as a whole, the right part of described piston (7) offers the right pilot hole of piston (7-1) of axial up/down perforation, the inside of the right pilot hole of piston (7-1) is provided with right guide rod seal ring (7-3), the left part of piston (7) offers the left pilot hole of piston (7-5) of axial up/down perforation, the inside of the left pilot hole of piston (7-5) is provided with left guide rod seal ring (7-6), on the outer circle wall of piston (7), piston packing (7-2) and piston guide ring (7-4) are installed from top to bottom, described lower end cap (1) is connected by the bottom of lower screw (9) with cylinder barrel (2), and realizes sealing by lower end cap seal ring (1-5), described upper end cap (5) is connected by the top of screwing (8) with cylinder barrel (2), and realizes sealing by upper end cap exterior seal ring (5-2), described piston rod (6) and piston (7) are arranged in cylinder barrel (2), piston (7) is inner at cylinder barrel (2), the lumen segmentation of cylinder barrel (2) is become upper oil cavitie (10) and lower oil cavitie (11) two working oil chambers, the piston packing (7-2) be arranged on piston (7) outer circle wall plays seal action, and the piston guide ring (7-4) be arranged on piston (7) outer circle wall plays leading role, upper end cap rod aperture (5-6) is run through on the top of described piston rod (6), stretch out in upper end cap rod aperture (5-6), and realize dust-proof by upper end cap dust ring (5-3), realize sealing by upper end cap inner seal ring (5-4), realize guiding by upper end cap guide ring (5-5), the bottom cooperation of described right guide rod (3) is arranged in lower end cap right guiding rod aperture seat (1-1), the right pilot hole of piston (7-1) is axially run through down in middle part, and formed with the right pilot hole of piston (7-1) and be slidably matched, right guide rod seal ring (7-3) plays seal action, after top is stretched out from the right pilot hole of piston (7-1), coordinate and be arranged in upper end cap right guiding rod aperture seat (5-1), the bottom cooperation of described left guide rod (4) is arranged in lower end cap left guiding rod aperture seat (1-6), the left pilot hole of piston (7-5) is axially run through down in middle part, and formed with the left pilot hole of piston (7-5) and be slidably matched, left guide rod seal ring (7-6) plays seal action, after top is stretched out from the left pilot hole of piston (7-5), coordinate and be arranged in upper end cap left guiding rod aperture seat (5-7).
2. the built-in guiding oil cylinder of one according to claim 1, is characterized in that: the shape of described right guide rod (3) and left guide rod (4) is the one of cylindrical body, cuboid or Elliptic Cylinder.
3. the built-in guiding oil cylinder of one according to claim 1, is characterized in that: described lower end cap (1) is connected by the bottom of screw thread with cylinder barrel (2).
4. the built-in guiding oil cylinder of one according to claim 1, is characterized in that: described upper end cap (5) is connected by the top of screw thread with cylinder barrel (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510998087.0A CN105387021A (en) | 2015-12-25 | 2015-12-25 | Built-in guide oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510998087.0A CN105387021A (en) | 2015-12-25 | 2015-12-25 | Built-in guide oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105387021A true CN105387021A (en) | 2016-03-09 |
Family
ID=55419648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510998087.0A Pending CN105387021A (en) | 2015-12-25 | 2015-12-25 | Built-in guide oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105387021A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438564A (en) * | 2016-12-02 | 2017-02-22 | 王树声 | Synchronous interlocking oil cylinders capable of being controlled in crossed mode |
| CN107202046A (en) * | 2017-07-19 | 2017-09-26 | 上海同臣环保有限公司 | A kind of plunger combination oil cylinder with guide sleeve axle |
| CN108562415A (en) * | 2018-04-20 | 2018-09-21 | 创坤岩土工程技术（广州）有限公司 | A kind of high-frequency vibrating table is guide locating device provided |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0737282A1 (en) * | 1993-12-30 | 1996-10-16 | Ab Rexroth Mecman | Cylinder with a non-rotatable piston rod |
| US5957029A (en) * | 1997-09-19 | 1999-09-28 | Bimba Manufacturing Co. | Linear thruster |
| CN202132302U (en) * | 2011-07-08 | 2012-02-01 | 安徽省佳瑞德机械设备有限公司 | Spindle rotation oil cylinder for double-rod piston machine tool |
| CN203130663U (en) * | 2013-03-26 | 2013-08-14 | 山东轻工业学院 | Guide oil cylinder internally provided with guide rod |
| CN104088848A (en) * | 2014-07-03 | 2014-10-08 | 福建海源自动化机械股份有限公司 | Anti-rotation servo oil cylinder of external displacement sensor |
| CN203962556U (en) * | 2014-07-29 | 2014-11-26 | 徐州徐工液压件有限公司 | A kind of novel hydraulic cylinder anti-rotation device |
-
2015
- 2015-12-25 CN CN201510998087.0A patent/CN105387021A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0737282A1 (en) * | 1993-12-30 | 1996-10-16 | Ab Rexroth Mecman | Cylinder with a non-rotatable piston rod |
| US5957029A (en) * | 1997-09-19 | 1999-09-28 | Bimba Manufacturing Co. | Linear thruster |
| CN202132302U (en) * | 2011-07-08 | 2012-02-01 | 安徽省佳瑞德机械设备有限公司 | Spindle rotation oil cylinder for double-rod piston machine tool |
| CN203130663U (en) * | 2013-03-26 | 2013-08-14 | 山东轻工业学院 | Guide oil cylinder internally provided with guide rod |
| CN104088848A (en) * | 2014-07-03 | 2014-10-08 | 福建海源自动化机械股份有限公司 | Anti-rotation servo oil cylinder of external displacement sensor |
| CN203962556U (en) * | 2014-07-29 | 2014-11-26 | 徐州徐工液压件有限公司 | A kind of novel hydraulic cylinder anti-rotation device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438564A (en) * | 2016-12-02 | 2017-02-22 | 王树声 | Synchronous interlocking oil cylinders capable of being controlled in crossed mode |
| CN107202046A (en) * | 2017-07-19 | 2017-09-26 | 上海同臣环保有限公司 | A kind of plunger combination oil cylinder with guide sleeve axle |
| CN107202046B (en) * | 2017-07-19 | 2019-01-08 | 上海同臣环保有限公司 | A kind of plunger combination oil cylinder with guide sleeve axis |
| CN108562415A (en) * | 2018-04-20 | 2018-09-21 | 创坤岩土工程技术（广州）有限公司 | A kind of high-frequency vibrating table is guide locating device provided |
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Application publication date: 20160309 |
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