CN210530889U - Planar safety valve for coal mine hydraulic support - Google Patents
Planar safety valve for coal mine hydraulic support Download PDFInfo
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- CN210530889U CN210530889U CN201920837257.0U CN201920837257U CN210530889U CN 210530889 U CN210530889 U CN 210530889U CN 201920837257 U CN201920837257 U CN 201920837257U CN 210530889 U CN210530889 U CN 210530889U
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- hydraulic support
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Abstract
The utility model discloses a plane colliery hydraulic support relief valve relates to hydraulic support valve technical field. The planar safety valve for the coal mine hydraulic support comprises a valve body, wherein a valve cavity is formed in the valve body, cavity openings are formed in the left end and the right end of the valve cavity, one end of each cavity opening, far away from the valve cavity, is fixedly connected with a connecting block, a partition plate is fixedly connected to the inner side wall of the valve cavity, a first through hole is formed in the upper surface of the partition plate, a plug hole is formed in the upper surface of the valve body, a piston is slidably connected to the inner wall of the plug hole, and a sealing gasket is fixedly connected to. According to the planar safety valve for the coal mine hydraulic support, the first rubber pad is contacted with the sealing ring to be sealed through piston descending, the conical plug enters the conical groove, the second rubber pad is contacted with the inner wall of the conical groove to be sealed and not to allow fluid in the valve cavity to pass through, and in order to close the valve, the liquid in the valve is prevented from leaking outwards to cause danger, and the safety of mining personnel is improved.
Description
Technical Field
The utility model relates to a hydraulic support valve technical field specifically is a plane colliery hydraulic support relief valve.
Background
The coal mine is an area where people mine coal resources in a coal-rich mining area, and is generally divided into a mineworker coal mine and an opencast coal mine, when a coal bed is far away from the ground surface, coal is generally selected to dig a tunnel to the underground, the mineworker coal mine is the mineworker coal mine, when the coal bed is very close to the ground surface, the direct stripping of a surface soil layer is generally selected to dig the coal, the opencast coal mine is the opencast coal mine, most coal mines in China belong to the mineworker coal mine, the coal mine range comprises the ground underground and a large area of related facilities, the coal mine is a reasonable space which is excavated by people when digging a geological layer rich in the coal, the coal mine generally comprises a tunnel, a well cave, a digging surface and the like, the existing hydraulic support safety valve is often caused by the phenomena that a gasket is deflected during assembly, the local pretightening force is excessive, the specific pressure of the valve is insufficient, the gasket is not easy to replace and easy to leak, and the, the safety valve of the hydraulic support has potential safety hazards, and therefore the planar safety valve of the coal mine hydraulic support is provided.
SUMMERY OF THE UTILITY MODEL
To prior art not enough, the utility model provides a plane colliery hydraulic support relief valve, after the use, it is fixed to the valve body through connecting block and second connecting plate, then it makes the threaded rod rotate to rotate the runner, the threaded rod rotates and makes the piston rise or descend, the piston rises and makes the piston break away from first through-hole, for opening the valve, the piston descends and makes first rubber pad and sealing washer contact and make it sealed, make the toper stopper enter the bell jar, the inner wall of second rubber pad contact bell jar makes it sealed not let the fluid in the valve cavity pass through, for closing the valve, prevent that the interior liquid of valve leaks outward and causes danger, the personnel's of mining security has been improved.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a planar safety valve for a coal mine hydraulic support comprises a valve body, wherein a valve cavity is formed in the valve body, cavity openings are formed in the left end and the right end of the valve cavity, a connecting block is fixedly connected to one end, away from the valve cavity, of each cavity opening, a partition plate is fixedly connected to the inner side wall of the valve cavity, a first through hole is formed in the upper surface of each partition plate, a plug hole is formed in the upper surface of the valve body, a piston is slidably connected to the inner wall of the plug hole, a sealing gasket is fixedly connected to the inner top wall of the valve cavity, the piston penetrates through the sealing gasket and extends into the valve cavity, a first rubber pad is fixedly connected to the bottom surface of the piston, a first connecting plate is fixedly connected to the upper surface of the valve body, a first groove is formed in the upper surface of the first connecting plate, the top of second through-hole is equipped with first bolt, first bolt runs through the second through-hole and extends to the inside of first recess, the screw thread with first bolt looks adaptation is all seted up to the inner wall of first recess and the inner wall of second through-hole.
The second recess has been seted up to the upper surface of piston, the last fixed surface of piston is connected with the fixed plate, the third through-hole has been seted up to the bottom surface of fixed plate, the upper surface of fixed plate is equipped with the second bolt, the second bolt runs through the third through-hole and extends to the inside of second recess, the screw thread with second bolt looks adaptation is all seted up to the inner wall of second recess and the inner wall of third through-hole, the last fixed surface of fixed plate is connected with antifriction bearing, antifriction bearing's inner wall fixedly connected with threaded rod, the third recess has been seted up to the bottom surface of upper cover, the fourth through-hole has been seted up to the roof in the third recess, the top of running through the fourth through-hole and extending to the fourth through-hole of threaded rod, the inner wall card of fourth through-hole is.
Preferably, the upper surface and the bottom surface of connecting block all fixedly connected with second connecting plate, the fixed orifices has been seted up to the inside of second connecting plate, has made things convenient for the staff to fix the valve body through the second connecting plate, has improved work efficiency.
Preferably, the inner wall fixedly connected with sealing washer of first through-hole, the bell jar has been seted up to the upper surface of baffle, has improved the sealed effect of piston, has improved work efficiency.
Preferably, the bottom surface fixedly connected with toper stopper of piston, threaded rod top fixedly connected with third connecting plate has strengthened the sealed effect of piston, has played the effect of consolidating to preventing leaking outward.
Preferably, the outer surface of the conical plug is fixedly connected with a second rubber pad, the thickness of the second rubber pad is at least five millimeters, the sealing effect of the piston is enhanced, the outward leakage phenomenon is avoided, and the safety of the coal mine hydraulic valve is improved.
Preferably, the third connecting plate upper surface fixed connection has the runner, the antiskid groove has been seted up to the surface of runner, has reached and has prevented that the staff from taking place the slippage when rotating the runner, has saved operating time for the staff, has improved staff's work efficiency.
The utility model provides a plane colliery hydraulic support relief valve. The method has the following beneficial effects:
(1) this plane colliery hydraulic support relief valve, it is fixed to the valve body through connecting block and second connecting plate, then rotate the runner and make the threaded rod rotate, the threaded rod rotates and makes the piston rise or descend, the piston rises and makes the piston break away from first through-hole, for opening the valve, the piston descends and makes first rubber pad and sealing washer contact and make it sealed, make the toper stopper enter into the bell jar, the inner wall of second rubber pad contact bell jar makes it sealed not let the fluid in the valve chamber pass through, for closing the valve, prevent that liquid leaks outward in the valve and causes danger, the security of mining personnel has been improved.
(2) This plane colliery hydraulic support relief valve, outer fixed surface through the toper stopper is connected with the second rubber pad, the thickness of second rubber pad is five millimeters at least, the sealed effect of piston has been strengthened, the outer phenomenon of leaking has been avoided, work efficiency is improved, fixed surface is connected with the runner on through the third connecting plate, the effect of making the staff conveniently rotate the runner has been reached, staff's work load has been alleviateed, work efficiency is improved, anti-skidding groove has been seted up through the surface of runner, it takes place the slippage when preventing that the staff from rotating the runner to have reached, for the staff has saved operating time, staff's work efficiency is improved.
(3) This plane colliery hydraulic support relief valve, inner wall fixedly connected with sealing washer through first through-hole, the sealed effect to first through-hole mouth has been reached, the first through-hole is leaked outward avoided, work efficiency is improved, the bell jar has been seted up through the upper surface of baffle, the sealed effect of piston has been improved, work efficiency is improved, bottom surface fixedly connected with toper stopper through the piston, the sealed effect of piston has been strengthened, the effect has been consolidated to preventing leaking outward, through screw rod top fixedly connected with third connecting plate, the convenient fixed effect of messenger's threaded rod has been reached, work efficiency is improved.
Drawings
Fig. 1 is a sectional view of the front view of the valve body of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;
fig. 3 is an enlarged schematic view of the structure B in fig. 1 according to the present invention.
In the figure: the anti-skid valve comprises a valve body 1, a valve cavity 2, a cavity opening 3, a connecting block 4, a partition plate 5, a first through hole 6, a plug hole 7, a piston 8, a sealing gasket 9, a first rubber gasket 10, a first connecting plate 11, an upper cover 12, a first groove 13, a second through hole 14, a first bolt 15, a second groove 16, a fixing plate 17, a third through hole 18, a second bolt 19, a rolling bearing 20, a threaded rod 21, a third groove 22, a fourth through hole 23, a second connecting plate 24, a fixing hole 25, a sealing ring 26, a conical groove 27, a conical plug 28, a second rubber gasket 29, a third connecting plate 30, a runner 31 and an anti-skid groove 32.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a planar safety valve for a coal mine hydraulic support comprises a valve body 1, a valve cavity 2 is arranged inside the valve body 1, cavity openings 3 are formed in the left end and the right end of the valve cavity 2, one ends, far away from the valve cavity 2, of the cavity openings 3 are fixedly connected with connecting blocks 4, the upper surface and the bottom surface of each connecting block 4 are fixedly connected with second connecting plates 24, workers can fix the valve body through the second connecting plates 24 conveniently through the second connecting plates 24, the working efficiency is improved, fixing holes 25 are formed inside the second connecting plates 24, the workers can connect the second connecting plates 24 with the outside through the fixing holes 25 conveniently through connection and fixation, the working efficiency is improved, partition plates 5 are fixedly connected to the inner side walls of the valve cavity 2, conical grooves 27 are formed in the upper surfaces of the partition plates 5, the sealing effect of a piston 8 is improved through the, the upper surface of the partition board 5 is provided with a first through hole 6, the inner wall of the first through hole 6 is fixedly connected with a sealing ring 26, the sealing effect of sealing the opening of the first through hole 6 is achieved through the sealing ring 26, the leakage of the first through hole 6 is avoided, the working efficiency is improved, the sealing ring 26 is an elastic rubber sealing ring 26 with axial action and is used as a rotary shaft non-pressure seal, a sealing lip has better mobility and adaptability, larger tolerance and angle deviation can be compensated, internal grease or oil liquid can be prevented from leaking outwards, the invasion of external splash water or dust can also be prevented, the upper surface of the valve body 1 is provided with a plug hole 7, the inner wall of the plug hole 7 is connected with a piston 8 in a sliding way, the bottom surface of the piston 8 is fixedly connected with a conical plug 28, the sealing effect of the piston 8 is enhanced through the conical plug 28, the consolidating effect of preventing the leakage is achieved, the outer surface of the conical plug 28, the thickness of the second rubber pad 29 is at least five millimeters, the sealing effect of the piston 8 is enhanced through the second rubber pad 29, the outward leakage phenomenon is avoided, the working efficiency is improved, the sealing gasket 9 is fixedly connected with the inner top wall of the valve cavity 2, the sealing gasket 9 is a sealing spare part which is used for machines, equipment and pipelines as long as the parts have fluid, the inner part and the outer part are used as materials for sealing, the sealing gasket 9 is made of metal or nonmetal plate-shaped materials through processes of cutting, stamping or cutting and the like and is used for sealing connection between pipelines, the sealing connection between machine parts and machine parts of machine equipment can be divided into metal sealing gasket 9 and nonmetal sealing gasket 9 according to the materials, metal copper gaskets, stainless steel gaskets, iron gaskets, aluminum gaskets and the like, nonmetal asbestos gaskets, non-asbestos gaskets, paper gaskets, rubber gaskets and the like, piston 8 runs through seal gasket 9 and extends to the inside of valve pocket 2, the first rubber pad 10 of bottom surface fixedly connected with of piston 8, the first connecting plate 11 of last fixed surface connected with of valve body 1, first recess 13 has been seted up to the upper surface of first connecting plate 11, the last fixed surface of first connecting plate 11 is connected with upper cover 12, second through-hole 14 has been seted up to the bottom surface of upper cover 12, the top of second through-hole 14 is equipped with first bolt 15, first bolt 15 runs through second through-hole 14 and extends to the inside of first recess 13, the screw thread with 15 looks adaptations of first bolt is all seted up to the inner wall of first recess 13 and the inner wall of second through-hole 14.
The upper surface of the piston 8 is provided with a second groove 16, the upper surface of the piston 8 is fixedly connected with a fixing plate 17, the bottom surface of the fixing plate 17 is provided with a third through hole 18, the upper surface of the fixing plate 17 is provided with a second bolt 19, the second bolt 19 penetrates through the third through hole 18 and extends into the second groove 16, the inner wall of the second groove 16 and the inner wall of the third through hole 18 are both provided with threads matched with the second bolt 19, the upper surface of the fixing plate 17 is fixedly connected with a rolling bearing 20, the inner wall of the rolling bearing 20 is fixedly connected with a threaded rod 21, the top end of the threaded rod 21 is fixedly connected with a third connecting plate 30, the effect of conveniently fixing the threaded rod 21 is achieved through the third connecting plate 30, the working efficiency is improved, the upper surface of the third connecting plate 30 is fixedly connected with a rotating wheel 31, the rotating wheel 31 is used for achieving the effect of conveniently rotating the rotating, improved work efficiency, anti-skidding groove 32 has been seted up to runner 31's surface, through anti-skidding groove 32, the slippage takes place when having reached to prevent that the staff from rotating runner 31, working time has been saved for the staff, third recess 22 has been seted up to the bottom surface of having improved staff's work efficiency upper cover 12, fourth through-hole 23 has been seted up to the roof in the third recess 22, threaded rod 21 runs through fourth through-hole 23 and extends to the top of fourth through-hole 23, the inner wall card of fourth through-hole 23 is equipped with the screw thread rather than 21 looks adaptations of threaded rod.
When the safety valve is used, firstly, the safety valve of the hydraulic support is installed, the valve body 1 is fixed through the connecting block 4 and the second connecting plate 24, then the rotating wheel 31 is rotated to enable the threaded rod 21 to rotate, the threaded rod 21 rotates to enable the piston 8 to ascend or descend, the piston 8 ascends to enable the piston 8 to be separated from the first through hole 6, in order to open the valve, the piston 8 descends to enable the first rubber gasket 10 to be in contact with the sealing ring 26 to enable the sealing ring to be sealed, the conical plug 28 enters the conical groove 27, the second rubber gasket 29 is in contact with the inner wall of the conical groove 27 to enable the sealing ring to be sealed and not to enable fluid in the valve cavity 2 to pass through, in order to close the valve.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a planar colliery hydraulic support relief valve, includes valve body (1), its characterized in that: the valve cavity (2) is formed in the valve body (1), cavity openings (3) are formed in the left end and the right end of the valve cavity (2), one end, far away from the valve cavity (2), of each cavity opening (3) is fixedly connected with a connecting block (4), a partition plate (5) is fixedly connected to the inner side wall of the valve cavity (2), a first through hole (6) is formed in the upper surface of each partition plate (5), a plug hole (7) is formed in the upper surface of the valve body (1), a piston (8) is connected to the inner wall of the plug hole (7) in a sliding mode, a sealing gasket (9) is fixedly connected to the inner top wall of the valve cavity (2), the piston (8) penetrates through the sealing gasket (9) and extends into the valve cavity (2), a first rubber gasket (10) is fixedly connected to the bottom surface of the piston (8), and a first connecting plate, a first groove (13) is formed in the upper surface of the first connecting plate (11), an upper cover (12) is fixedly connected to the upper surface of the first connecting plate (11), a second through hole (14) is formed in the bottom surface of the upper cover (12), a first bolt (15) is arranged at the top end of the second through hole (14), the first bolt (15) penetrates through the second through hole (14) and extends to the inside of the first groove (13), and threads matched with the first bolt (15) are formed in the inner wall of the first groove (13) and the inner wall of the second through hole (14);
the upper surface of the piston (8) is provided with a second groove (16), the upper surface of the piston (8) is fixedly connected with a fixing plate (17), the bottom surface of the fixing plate (17) is provided with a third through hole (18), the upper surface of the fixing plate (17) is provided with a second bolt (19), the second bolt (19) penetrates through the third through hole (18) and extends into the second groove (16), the inner wall of the second groove (16) and the inner wall of the third through hole (18) are both provided with threads matched with the second bolt (19), the upper surface of the fixing plate (17) is fixedly connected with a rolling bearing (20), the inner wall of the rolling bearing (20) is fixedly connected with a threaded rod (21), the bottom surface of the upper cover (12) is provided with a third groove (22), and the inner top wall of the third groove (22) is provided with a fourth through hole (23), the threaded rod (21) penetrates through the fourth through hole (23) and extends to the upper side of the fourth through hole (23), and threads matched with the threaded rod (21) are clamped on the inner wall of the fourth through hole (23).
2. The planar coal mine hydraulic support safety valve of claim 1, wherein: the upper surface and the bottom surface of the connecting block (4) are fixedly connected with a second connecting plate (24), and a fixing hole (25) is formed in the second connecting plate (24).
3. The planar coal mine hydraulic support safety valve of claim 1, wherein: the inner wall fixedly connected with sealing washer (26) of first through-hole (6), tapered groove (27) have been seted up to the upper surface of baffle (5).
4. The planar coal mine hydraulic support safety valve of claim 1, wherein: the bottom surface of piston (8) fixedly connected with toper stopper (28), threaded rod (21) top fixedly connected with third connecting plate (30).
5. The planar safety valve for a coal mine hydraulic support according to claim 4, wherein: the outer surface of the conical plug (28) is fixedly connected with a second rubber pad (29), and the thickness of the second rubber pad (29) is at least five millimeters.
6. The planar safety valve for a coal mine hydraulic support according to claim 4, wherein: the upper surface of the third connecting plate (30) is fixedly connected with a rotating wheel (31), and the outer surface of the rotating wheel (31) is provided with an anti-skidding groove (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920837257.0U CN210530889U (en) | 2019-06-05 | 2019-06-05 | Planar safety valve for coal mine hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920837257.0U CN210530889U (en) | 2019-06-05 | 2019-06-05 | Planar safety valve for coal mine hydraulic support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210530889U true CN210530889U (en) | 2020-05-15 |
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ID=70594333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920837257.0U Expired - Fee Related CN210530889U (en) | 2019-06-05 | 2019-06-05 | Planar safety valve for coal mine hydraulic support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210530889U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112283356A (en) * | 2020-11-11 | 2021-01-29 | 温州职业技术学院 | Air leakage prevention safety valve |
-
2019
- 2019-06-05 CN CN201920837257.0U patent/CN210530889U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112283356A (en) * | 2020-11-11 | 2021-01-29 | 温州职业技术学院 | Air leakage prevention safety valve |
| CN112283356B (en) * | 2020-11-11 | 2022-05-24 | 温州职业技术学院 | Air leakage prevention safety valve |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200515 |
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| CF01 | Termination of patent right due to non-payment of annual fee |