CN115126743B - Built-in hexagonal anti-rotation mechanism oil cylinder with position feedback for coal mine - Google Patents
Built-in hexagonal anti-rotation mechanism oil cylinder with position feedback for coal mine Download PDFInfo
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- CN115126743B CN115126743B CN202210788807.0A CN202210788807A CN115126743B CN 115126743 B CN115126743 B CN 115126743B CN 202210788807 A CN202210788807 A CN 202210788807A CN 115126743 B CN115126743 B CN 115126743B
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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
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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
- F15B15/1428—Cylinders
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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
- F15B15/1438—Cylinder to end cap assemblies
- F15B15/1442—End cap sealings
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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
- F15B15/1447—Pistons; Piston to piston rod assemblies
- F15B15/1452—Piston sealings
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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
- F15B15/1457—Piston rods
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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
- F15B15/1457—Piston rods
- F15B15/1461—Piston rod sealings
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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
- F15B15/149—Fluid interconnections, e.g. fluid connectors, passages
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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
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/28—Means for indicating the position, e.g. end of stroke
- F15B15/2815—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT
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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
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/28—Means for indicating the position, e.g. end of stroke
- F15B15/2815—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT
- F15B15/2861—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT using magnetic means
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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
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/28—Means for indicating the position, e.g. end of stroke
- F15B15/2892—Means for indicating the position, e.g. end of stroke characterised by the attachment means
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
Abstract
The invention discloses a built-in hexagonal anti-rotation mechanism oil cylinder with position feedback for a coal mine, and relates to the technical field of oil cylinders. Including hydro-cylinder shell and hydro-cylinder base, the hydro-cylinder base sets up in the bottom of hydro-cylinder shell, the inside piston that slides and sets up of hydro-cylinder shell, hexagonal piston rod in the piston inside is equipped with, the inside outer hexagonal piston rod that is equipped with of interior hexagonal piston rod, the bottom of outer hexagonal piston rod is fixed to be set up on the hydro-cylinder base, the top of outer hexagonal piston rod is equipped with the displacement sensor magnetic ring, the bottom of interior hexagonal piston rod sets up on the piston, the top of interior hexagonal piston rod is equipped with the displacement sensor gauge rod, the bottom of displacement sensor gauge rod runs through the inside that the displacement sensor magnetic ring stretched into outer hexagonal piston rod. According to the oil cylinder provided by the invention, the position of the oil cylinder is fed back in real time by adopting the relative motion of the built-in displacement sensor magnetic ring and the displacement sensor detection rod, and the anti-rotation is realized by adopting the inner hexagonal piston rod and the outer hexagonal piston rod, so that the oil cylinder has a compact integral structure, small occupied space and large anti-rotation load.
Description
Technical Field
The invention relates to the technical field of oil cylinders, in particular to an oil cylinder with a built-in hexagonal anti-rotation mechanism and position feedback for a coal mine.
Background
The oil cylinder used by the underground automatic drilling machine manipulator needs to provide position feedback along with the requirement of automation of underground equipment of a coal mine, the oil cylinder with the position feedback used in the underground coal mine at present has two structures, one is that an explosion-proof proximity switch is installed at a position needing to be fed back, the proximity switches at several positions are needed to be installed at several positions, the more the positions are, the more the arrangement is difficult, and the positions of some points can only be provided by adopting the proximity switches, so that the current position cannot be fed back in real time; and secondly, a stay wire displacement sensor is arranged between the piston rod of the oil cylinder and the cylinder barrel, the stay wire displacement sensor is arranged outside the oil cylinder, occupies large space and is not beneficial to protection, the reliability and the service life of the stay wire sensor in a dust and high-humidity underground environment are determined by the structure of the stay wire sensor, and the stay wire sensor in the prior art is not available for use. Secondly, when the manipulator stretches out and draws back, the gesture of manipulator need be guaranteed not to change, need restrict the rotation of flexible hydro-cylinder, and traditional hydro-cylinder prevents changeing and realizes through installing two guide arms in the hydro-cylinder outside, and this structure hydro-cylinder takes up space great, and can't bear great rotatory load, can't satisfy the operation requirement.
Therefore, the oil cylinder with the position feedback and the built-in anti-rotation mechanism needs to be developed, the effect of preventing the oil cylinder from rotating is achieved, the position of the oil cylinder can be fed back in real time, and meanwhile, the use requirement of the underground special environment is met.
Disclosure of Invention
The invention mainly aims to provide a built-in hexagonal anti-rotation mechanism oil cylinder with position feedback for a coal mine, and aims to solve the problems in the prior art.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a colliery is with built-in hexagonal prevents that favourable turn constructs hydro-cylinder of area position feedback, includes hydro-cylinder shell and hydro-cylinder base, the hydro-cylinder base sets up in the bottom of hydro-cylinder shell, the inside piston that slides of hydro-cylinder shell sets up, hexagonal piston rod in the inside being equipped with of piston, the inside outer hexagonal piston rod that is equipped with of interior hexagonal piston rod, the bottom of outer hexagonal piston rod is fixed to be set up on the hydro-cylinder base, the top of outer hexagonal piston rod is equipped with the displacement sensor magnetic ring and is located interior hexagonal piston rod, the bottom of interior hexagonal piston rod sets up on the piston, the top of interior hexagonal piston rod is equipped with the sensor mount pad, install the displacement sensor gauge rod on the sensor mount pad, the bottom of displacement sensor gauge rod runs through the inside that the displacement sensor magnetic ring stretched into outer hexagonal piston rod.
Further, the top outside cover of displacement sensor gauge rod is equipped with solid fixed ring, gu fixed ring and sensor mount pad fixed connection are equipped with O type circle between the two.
Furthermore, the sensor mounting seat is connected with the inner hexagonal piston rod through a sensor mounting flange, and an O-shaped ring is arranged between the sensor mounting seat and the sensor mounting flange.
Further, interior hexagonal piston rod includes interior hexagonal piston rod body and interior hexagonal piston rod base, the top and the sensor mounting flange welding of interior hexagonal piston rod body, the bottom with interior hexagonal piston rod base welding, interior hexagonal piston rod base passes through holding screw and piston fixed connection, be equipped with two-way piston seal between interior hexagonal piston rod base both sides and the piston.
Furthermore, a piston rod mounting flange is sleeved on the outer side of the connecting section of the inner hexagonal piston rod body and the inner hexagonal piston rod base, the piston rod mounting flange is connected with the oil cylinder shell, and an O-shaped ring is arranged between the outer wall of the piston rod mounting flange and the inner wall of the oil cylinder shell.
Furthermore, be equipped with dirt-proof ring, pull rod seal and guide ring from top to bottom in proper order between the outer wall of interior hexagonal piston rod and piston rod mounting flange's the inner wall, the dirt-proof ring is located interior hexagonal piston rod body, the guide ring is located interior hexagonal piston rod base, the pull rod seals the welding position who is located interior hexagonal piston rod body and interior hexagonal piston rod base.
Further, the bottom of the oil cylinder base is fixedly connected with an oil cylinder bottom cover through a bolt, and an O-shaped ring is arranged between the oil cylinder bottom cover and the oil cylinder base.
Furthermore, the outer side of the oil cylinder shell is respectively provided with a first oil port and a second oil port.
Furthermore, the displacement sensor magnetic ring is fixedly connected to the outer hexagonal piston rod through a bolt.
Compared with the prior art, the invention has the following beneficial effects:
through set up displacement sensor magnetic ring and displacement sensor gauge rod in the hydro-cylinder inside, utilize relative motion between them to realize position feedback, confirm the length of hydro-cylinder motion, feedback the hydro-cylinder position in real time, utilize interior hexagonal piston rod and outer hexagonal piston rod to realize preventing changeing, overall structure is compact, it is little to occupy space, it is big to prevent changeing the load, the manipulator hydro-cylinder of having solved automatic drilling machine in the pit prevents changeing the problem and the stay wire sensor is not applicable to special environmental problem in the pit, can adapt to the operational environment in the pit, effectively prevent that the hydro-cylinder from rotating.
Drawings
FIG. 1 is a schematic view of the external structure of the cylinder according to the present invention.
Fig. 2 is a cross-sectional view of the cylinder of the present invention.
Fig. 3 is a schematic diagram of the internal hexagonal structure of the present invention.
The device comprises a displacement sensor detection rod 1, an O-shaped ring 2, a sensor mounting seat 3, a sensor mounting flange 4, an inner hexagonal piston rod 5, a bolt 6, a dustproof ring 7, a pull rod seal 8, a guide ring 9, a first oil port 10, a bidirectional piston seal 11, a set screw 12, an oil cylinder shell 13, an outer hexagonal piston rod 14, an oil cylinder base 15, a second oil port 16, an oil cylinder bottom cover 17, an O-shaped ring 18, a piston 19, an O-shaped ring 20, an O-shaped ring 21, an inner hexagonal piston rod base 22, a piston rod mounting flange 23, a displacement sensor magnetic ring 24 and an O-shaped ring 25.
Detailed Description
The technical solution of the present invention is further illustrated by the accompanying drawings and examples.
With reference to fig. 1 to 3, the invention provides a coal mine oil cylinder with a built-in hexagonal anti-rotation mechanism and position feedback, which comprises an oil cylinder shell 13 and an oil cylinder base 15, wherein the oil cylinder base 15 is arranged at the bottom of the oil cylinder shell 13, a piston 19 is arranged in the oil cylinder shell 13 in a sliding manner, an inner hexagonal piston rod 5 is arranged in the piston 19, an outer hexagonal piston rod 14 is arranged in the inner hexagonal piston rod 5, the bottom of the outer hexagonal piston rod 14 is fixedly arranged on the oil cylinder base 15, the top of the outer hexagonal piston rod 14 is provided with a displacement sensor magnetic ring 24 and is positioned in the inner hexagonal piston rod 5, the bottom of the inner hexagonal piston rod 5 is arranged on the piston 19, the top of the inner hexagonal piston rod 5 is provided with a sensor mounting seat 3, a displacement sensor detection rod 1 is arranged on the sensor mounting seat 3, and the bottom of the displacement sensor detection rod 1 penetrates through the displacement sensor 24 and extends into the outer hexagonal piston rod 14.
In this embodiment, adopt displacement sensor gauge rod 1 and displacement sensor magnetic ring 24 to constitute displacement sensor jointly, displacement sensor magnetic ring 24 moves for displacement sensor gauge rod 1 when the hydro-cylinder is flexible to real-time feedback hydro-cylinder length, the inside of hydro-cylinder shell 13 is all placed in to displacement sensor gauge rod 1 and displacement sensor magnetic ring 24, and occupation space is littleer, and inside displacement sensor arranged the hydro-cylinder in, more is favorable to the protection. The built-in hexagonal anti-rotation mechanism is formed by the inner hexagonal piston rod and the outer hexagonal piston rod 14 together, and compared with a structure that two cylindrical guide rods are installed between the oil cylinder piston rod and the cylinder barrel to prevent rotation, the anti-rotation mechanism can provide better anti-rotation capacity, can bear larger active rotation load, does not occupy the space outside and is more beneficial to structural arrangement. The invention combines the built-in displacement sensor and the built-in hexagonal anti-rotation mechanism, has compact integral structure, small occupied space, large anti-rotation load, no difference with the appearance of a common oil cylinder, low processing requirement and popularization and use conditions.
Preferably, the top outside cover of displacement sensor gauge rod 1 is equipped with solid fixed ring, and displacement sensor gauge rod 1 is equipped with O type circle 2 through solid fixed ring and 3 fixed connection of sensor mount pad between solid fixed ring and the sensor mount pad 3. The displacement sensor magnetic ring 24 is fixedly connected to the outer hexagonal piston rod 14 through a bolt 6.
Preferably, the sensor mounting seat 3 is connected with the inner hexagonal piston rod through a sensor mounting flange 4, and an O-shaped ring 25 is arranged between the sensor mounting seat 3 and the sensor mounting flange 4.
Preferably, the inner hexagonal piston rod 5 comprises an inner hexagonal piston rod body and an inner hexagonal piston rod base 22, the top of the inner hexagonal piston rod body is welded to the sensor mounting flange 4, the bottom of the inner hexagonal piston rod body is welded to the inner hexagonal piston rod base 22, the inner hexagonal piston rod base 22 is fixedly connected with the piston through a set top screw 12, and two-way piston seals are arranged between two sides of the inner hexagonal piston rod base 22 and the piston. In this embodiment, the two-way piston seal 11 and the O-ring 20 are disposed outside the inner hexagonal piston rod base 22.
Preferably, the connecting section outside cover of interior hexagonal piston rod body and interior hexagonal piston rod base 22 is equipped with piston rod mounting flange 23, piston rod mounting flange 23 is connected with hydro-cylinder shell 13, be equipped with O type circle 21 between the outer wall of piston rod mounting flange 23 and the inner wall of hydro-cylinder shell 13.
Preferably, a dust ring 7, a pull rod seal 8 and a guide ring 9 are sequentially arranged between the outer wall of the inner hexagonal piston rod and the inner wall of the piston rod mounting flange 23 from top to bottom, the dust ring 7 is located on the inner hexagonal piston rod body, the guide ring is located on the inner hexagonal piston rod base 22, and the pull rod seal 8 is located at the welding position of the inner hexagonal piston rod body and the inner hexagonal piston rod base 22.
Preferably, the bottom of the oil cylinder base 15 is fixedly connected with an oil cylinder bottom cover 17 through a bolt, and an O-ring 18 is arranged between the oil cylinder bottom cover 17 and the oil cylinder base 15.
Preferably, the first oil port 10 and the second oil port 16 are respectively formed at the outer side of the cylinder housing 13. In this embodiment, the first oil port is located at the upper part of the oil cylinder shell, the second oil port is located at the lower part of the oil cylinder shell, when the oil cylinder is in operation, hydraulic oil is injected into the second oil port 16, and the piston extends out; the first port 10 is filled with hydraulic oil, and the piston is retracted.
Compared with a structure that two cylindrical guide rods are arranged between the piston rod of the oil cylinder and the cylinder barrel to prevent rotation, the structure of the inner hexagonal piston rod and the outer hexagonal piston rod can provide better rotation prevention capability, can bear larger active rotation load, does not occupy the outer space, is more beneficial to structural arrangement, and has a more compact and simplified overall structure; compared with an anti-rotation mechanism adopting an external square sleeve, the anti-rotation mechanism has a better anti-rotation effect and can bear larger rotation load, but the structure has larger size, is not beneficial to spatial arrangement, is not as simple and flexible as the structure of the invention, and cannot be popularized and used as a universal anti-rotation method.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.
Claims (9)
1. The utility model provides a colliery is with built-in hexagonal of taking position feedback prevents that favourable turn constructs hydro-cylinder which characterized in that, includes hydro-cylinder shell and hydro-cylinder base, the hydro-cylinder base sets up in the bottom of hydro-cylinder shell, the inside piston that slides of hydro-cylinder shell sets up, hexagonal piston rod in being equipped with of piston inside, the inside outer hexagonal piston rod that is equipped with of interior hexagonal piston rod, the bottom of outer hexagonal piston rod is fixed to be set up on the hydro-cylinder base, the top of outer hexagonal piston rod is equipped with the displacement sensor magnetic ring and is located interior hexagonal piston rod, the bottom of interior hexagonal piston rod sets up on the piston, the top of interior hexagonal piston rod is equipped with the sensor mount pad, install the displacement sensor gauge rod on the sensor mount pad, the bottom of displacement sensor gauge rod runs through the displacement sensor magnetic ring and stretches into the inside of outer hexagonal piston rod.
2. The internal hexagonal anti-rotation mechanism oil cylinder with the position feedback for the coal mine as claimed in claim 1, wherein a fixing ring is sleeved on the outer side of the top of the displacement sensor detection rod, the fixing ring is fixedly connected with the sensor mounting seat, and an O-shaped ring is arranged between the fixing ring and the sensor mounting seat.
3. The oil cylinder with the built-in hexagonal anti-rotation mechanism and the position feedback for the coal mine as claimed in claim 2, wherein the sensor mounting seat is connected with the internal hexagonal piston rod through a sensor mounting flange, and an O-shaped ring is arranged between the sensor mounting seat and the sensor mounting flange.
4. The coal mine oil cylinder with the built-in hexagonal anti-rotation mechanism and the position feedback function is according to claim 2, characterized in that the inner hexagonal piston rod comprises an inner hexagonal piston rod body and an inner hexagonal piston rod base, the top of the inner hexagonal piston rod body is welded with a sensor mounting flange, the bottom of the inner hexagonal piston rod body is welded with the inner hexagonal piston rod base, the inner hexagonal piston rod base is fixedly connected with the piston through a set screw, and a bidirectional piston seal is arranged between two sides of the inner hexagonal piston rod base and the piston.
5. The coal mine oil cylinder with the built-in hexagonal anti-rotation mechanism and the position feedback function according to claim 4, wherein a piston rod mounting flange is sleeved outside a connecting section of the inner hexagonal piston rod body and the inner hexagonal piston rod base, the piston rod mounting flange is connected with an oil cylinder shell, and an O-shaped ring is arranged between the outer wall of the piston rod mounting flange and the inner wall of the oil cylinder shell.
6. The coal mine oil cylinder with the built-in hexagonal anti-rotation mechanism and the position feedback function is according to claim 5, characterized in that a dust ring, a pull rod seal and a guide ring are sequentially arranged between the outer wall of the inner hexagonal piston rod and the inner wall of the piston rod mounting flange from top to bottom, the dust ring is arranged on the inner hexagonal piston rod body, the guide ring is arranged on the inner hexagonal piston rod base, and the pull rod seal is arranged at the welding position of the inner hexagonal piston rod body and the inner hexagonal piston rod base.
7. The coal mine oil cylinder with the built-in hexagonal anti-rotation mechanism and the position feedback function is characterized in that an oil cylinder bottom cover is fixedly connected to the bottom of an oil cylinder base through bolts, and an O-shaped ring is arranged between the oil cylinder bottom cover and the oil cylinder base.
8. The coal mine oil cylinder with the built-in hexagonal anti-rotation mechanism and the position feedback function is characterized in that a first oil port and a second oil port are respectively formed in the outer side of an oil cylinder shell.
9. The coal mine oil cylinder with the built-in hexagonal anti-rotation mechanism and the position feedback as claimed in claim 1, wherein the displacement sensor magnetic ring is fixedly connected to the outer hexagonal piston rod through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210788807.0A CN115126743B (en) | 2022-07-06 | 2022-07-06 | Built-in hexagonal anti-rotation mechanism oil cylinder with position feedback for coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210788807.0A CN115126743B (en) | 2022-07-06 | 2022-07-06 | Built-in hexagonal anti-rotation mechanism oil cylinder with position feedback for coal mine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115126743A CN115126743A (en) | 2022-09-30 |
| CN115126743B true CN115126743B (en) | 2023-03-24 |
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| CN202210788807.0A Active CN115126743B (en) | 2022-07-06 | 2022-07-06 | Built-in hexagonal anti-rotation mechanism oil cylinder with position feedback for coal mine |
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Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4111100A (en) * | 1977-03-07 | 1978-09-05 | Phd, Inc. | Non-rotatable fluid powered nozzle and valve combination |
| JPS59170512A (en) * | 1983-03-18 | 1984-09-26 | Toshiba Mach Co Ltd | Linear actuator |
| CN201554386U (en) * | 2009-11-25 | 2010-08-18 | 大港油田集团有限责任公司 | Safety joint |
| CN202832247U (en) * | 2012-09-18 | 2013-03-27 | 中国石油天然气集团公司 | Anti-tripping water power pressure device |
| CN202867422U (en) * | 2012-07-24 | 2013-04-10 | 厦门理工学院 | Hydraulic cylinder with built-in displacement sensor for displacement detection |
| CN103062154A (en) * | 2011-10-19 | 2013-04-24 | 无锡市阳通机械设备有限公司 | Oil cylinder displacement detection device |
| CN203018055U (en) * | 2012-12-25 | 2013-06-26 | 郑州人造金刚石及制品工程技术研究中心有限公司 | Built-in piston rotation preventing structure |
| CN204487201U (en) * | 2015-01-12 | 2015-07-22 | 重庆工业职业技术学院 | Six square tube chamfering apparatus for end clamping devices |
| CN105172919A (en) * | 2015-08-31 | 2015-12-23 | 中国兵器工业集团第二O二研究所 | Front part buffer device for semi-trailer transport vehicle |
| CN205277969U (en) * | 2015-12-09 | 2016-06-01 | 江苏凯宫隧道机械有限公司 | Shield constructs built -in hydraulic cylinder of machine displacement sensor |
| CN206753851U (en) * | 2017-05-26 | 2017-12-15 | 重庆融能机电设备有限公司 | The nut check anti-loose structure of crosshead and piston rod |
| CN209041209U (en) * | 2018-10-24 | 2019-06-28 | 远大住宅工业（杭州）有限公司 | A kind of hydraulic cylinder rotation-preventing mechanism and anti-rotation hydraulic cylinder |
| CN110259761A (en) * | 2019-07-15 | 2019-09-20 | 徐州永佳液压设备有限公司 | Anti-rotation hydraulic cylinder piston rod displacement sensor mounting structure |
| CN209654339U (en) * | 2019-10-15 | 2019-11-19 | 莱州亚通重型装备有限公司 | A kind of pumping system integrated hydraulic valve block |
| CN209990717U (en) * | 2019-04-04 | 2020-01-24 | 魏英群 | TRT stationary blade driving oil cylinder |
| CN211423060U (en) * | 2019-11-26 | 2020-09-04 | 苏州利卡新机械科技有限公司 | Anti-rotation real-time monitoring oil cylinder |
| CN214578041U (en) * | 2021-03-03 | 2021-11-02 | 江苏恒立液压股份有限公司 | Hydraulic cylinder with sensor |
| CN215393629U (en) * | 2021-06-02 | 2022-01-04 | 宁波万航实业有限公司 | Special press-fitting clamping jaw for automobile ABS (anti-lock brake system) ring |
| CN216199460U (en) * | 2021-10-29 | 2022-04-05 | 深圳市天一智能科技有限公司 | Single-shaft anti-rotation air cylinder |
| CN216759590U (en) * | 2021-12-20 | 2022-06-17 | 烟台博昌汽车标准件有限公司 | Anti-rotation tool device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017108855C5 (en) * | 2017-04-26 | 2023-09-07 | Asm Automation Sensorik Messtechnik Gmbh | Sensor unit and working cylinder unit with a sensor unit |
-
2022
- 2022-07-06 CN CN202210788807.0A patent/CN115126743B/en active Active
Patent Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4111100A (en) * | 1977-03-07 | 1978-09-05 | Phd, Inc. | Non-rotatable fluid powered nozzle and valve combination |
| JPS59170512A (en) * | 1983-03-18 | 1984-09-26 | Toshiba Mach Co Ltd | Linear actuator |
| CN201554386U (en) * | 2009-11-25 | 2010-08-18 | 大港油田集团有限责任公司 | Safety joint |
| CN103062154A (en) * | 2011-10-19 | 2013-04-24 | 无锡市阳通机械设备有限公司 | Oil cylinder displacement detection device |
| CN202867422U (en) * | 2012-07-24 | 2013-04-10 | 厦门理工学院 | Hydraulic cylinder with built-in displacement sensor for displacement detection |
| CN202832247U (en) * | 2012-09-18 | 2013-03-27 | 中国石油天然气集团公司 | Anti-tripping water power pressure device |
| CN203018055U (en) * | 2012-12-25 | 2013-06-26 | 郑州人造金刚石及制品工程技术研究中心有限公司 | Built-in piston rotation preventing structure |
| CN204487201U (en) * | 2015-01-12 | 2015-07-22 | 重庆工业职业技术学院 | Six square tube chamfering apparatus for end clamping devices |
| CN105172919A (en) * | 2015-08-31 | 2015-12-23 | 中国兵器工业集团第二O二研究所 | Front part buffer device for semi-trailer transport vehicle |
| CN205277969U (en) * | 2015-12-09 | 2016-06-01 | 江苏凯宫隧道机械有限公司 | Shield constructs built -in hydraulic cylinder of machine displacement sensor |
| CN206753851U (en) * | 2017-05-26 | 2017-12-15 | 重庆融能机电设备有限公司 | The nut check anti-loose structure of crosshead and piston rod |
| CN209041209U (en) * | 2018-10-24 | 2019-06-28 | 远大住宅工业（杭州）有限公司 | A kind of hydraulic cylinder rotation-preventing mechanism and anti-rotation hydraulic cylinder |
| CN209990717U (en) * | 2019-04-04 | 2020-01-24 | 魏英群 | TRT stationary blade driving oil cylinder |
| CN110259761A (en) * | 2019-07-15 | 2019-09-20 | 徐州永佳液压设备有限公司 | Anti-rotation hydraulic cylinder piston rod displacement sensor mounting structure |
| CN209654339U (en) * | 2019-10-15 | 2019-11-19 | 莱州亚通重型装备有限公司 | A kind of pumping system integrated hydraulic valve block |
| CN211423060U (en) * | 2019-11-26 | 2020-09-04 | 苏州利卡新机械科技有限公司 | Anti-rotation real-time monitoring oil cylinder |
| CN214578041U (en) * | 2021-03-03 | 2021-11-02 | 江苏恒立液压股份有限公司 | Hydraulic cylinder with sensor |
| CN215393629U (en) * | 2021-06-02 | 2022-01-04 | 宁波万航实业有限公司 | Special press-fitting clamping jaw for automobile ABS (anti-lock brake system) ring |
| CN216199460U (en) * | 2021-10-29 | 2022-04-05 | 深圳市天一智能科技有限公司 | Single-shaft anti-rotation air cylinder |
| CN216759590U (en) * | 2021-12-20 | 2022-06-17 | 烟台博昌汽车标准件有限公司 | Anti-rotation tool device |
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| CN115126743A (en) | 2022-09-30 |
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