CN2166271Y - Multi-way liquid control link change valve - Google Patents
Multi-way liquid control link change valve Download PDFInfo
- Publication number
- CN2166271Y CN2166271Y CN 93204581 CN93204581U CN2166271Y CN 2166271 Y CN2166271 Y CN 2166271Y CN 93204581 CN93204581 CN 93204581 CN 93204581 U CN93204581 U CN 93204581U CN 2166271 Y CN2166271 Y CN 2166271Y
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- valve
- push rod
- hydraulic control
- plunger
- spool
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Abstract
The utility model discloses a multi-way liquid control link change valve, and belongs to the class of liquid control pressure valves. The multi-way liquid control link change valve solves the problem that the spray and dust removal device matched with the operation of a hydraulic bracket can not inhibit coal dust diffusing. The multi-way liquid control link change valve is mainly characterized in that valve chambers arranged in a valve body are communicated by liaison chambers, and the valve chambers are provided with push rods. Plungers in plunger holes arranged on end covers are gored on the push rods, and one or a plurality of plunger holes of the holes can be communicated with change plunger holes by the liaison chambers according to demands. The spray and dust removal device is controlled to spray. The multi-way liquid control link change valve inhibits and reduces coal dust generated in the process that the hydraulic bracket of a working surface is descended, moved and ascended, and top coal is released.
Description
The utility model belongs to the hydrovalve class, and what be specifically related to is the hydraulic control linked selector valve of a kind of multichannel that is used for hydraulic control device.
At present, known to the inventor, be the manipulation and the control of the mechanical device of power just with the highly pressurised liquid, normally realize by the control valve that is installed in oil hydraulic circuit.For example in the coal mining technical field, the hydraulic support that comprehensive mechanical coal mining working surface (abbreviation fully mechanized mining face) is installed and used is realized its exercises by the control valve in the operating hydraulically operated loop.At common fully mechanized mining face, the falling frame, move frame and rise frame of hydraulic support, and the round coal cutting of coal winning machine and coalingging all can produce big dust.Especially after using the mining hydraulic support that puts in a skylight, fully mechanized mining face has increased the discharge top coal operation, though working surface output can increase substantially, has more aggravated the generation of dust, as not taking measurements for reduction, dust concentration can reach thousands of milligrams for every cubic metre sometimes.In the past, the depositing dust at fully-mechanized mining working surface hydraulic support place is before moving frame, discharge top coal, and the timberer at first opens water valve by the nozzle atomizing de-dusting, move frame, discharge top coal after, close water valve again.This loaded down with trivial details operation, both time-consuming, increase workman's programmed sequence of operations again, it is very inconvenient to use.Can not suppress the diffusion of coal dust effectively, have a strong impact on the healthy of operating personnel.Limited the development of comprehensive mechanical coal mining technology.
The purpose of this utility model, in order to solve hydraulic support frame is falling exactly, move frame, rise in frame and the hydraulic support discharge top coal mouth discharge top coal process, supporting atomizing de-dusting apparatus can not suppress flying upward of coal dust effectively and spread, cause the pollution of operating environment and influence the healthy problem of operating personnel, designed the hydraulic control linked selector valve of a kind of multichannel, can make the hydraulic support of fully mechanized mining face fall frame, move frame, rise in the working procedure of frame and hydraulic support discharge top coal mouth discharge top coal, automatically realize synchronization motion, suppress flying upward and spreading of coal dust effectively.
Belong to the hydrovalve class, the hydraulic control linked selector valve of a kind of multichannel that is used for the fully mechanized mining face hydraulic control, the pipe fitting interface that mainly includes spool, valve body and be located on the valve body is formed, it is characterized in that being provided with in the valve body valve pocket 23 and valve pocket 24, valve pocket can connect by contact cavity, and valve pocket 23 and 24 is separately installed with boss shape push rod 2 and 8, is respectively equipped with Returnning spring 3 on the body of rod of push rod 2 and push rod 8, studs with " O " shape seal ring 7, " O " shape seal ring 7 is provided with a plurality of, so that strengthen sealing effect.The thin bar head 26 of push rod 2 passes valve pocket 40, withstand on the bonnet of spool 22, by the threaded piece form screw 18 is installed on the axial center of circle of spool 22, be pressed with time-delay reset spring 19 between screw cap and the valve bonnet 20, there is the hydraulic control plunger on the top on the top cap 27 of push rod 2, the thin bar head 30 of push rod 8 passes on the bonnet that valve pocket 9 withstands on spool 12, spool 12 penetrates the hole of the valve seat 13 that can be shifted, and be pressed with valve core reseting spring 16 between the spring seat, the Returnning spring 14 that can be shifted and be pressed with valve seat between valve seat 13 and the spring seat, there is plunger on the top on the top cap of push rod 8, at least pushing up on the said top cap 27 has a hydraulic control plunger, also can push up two hydraulic control plungers, also can push up three hydraulic control plungers, a plurality of hydraulic control plungers can also be set according to the quantity of hydraulic control branch road, and the pipe fitting interface that is located on the valve body is quick pipe fitting interface.
Accompanying drawing has been described an embodiment of the present utility model:
Fig. 1 is the main TV structure schematic representation of the hydraulic control linked selector valve of multichannel;
Fig. 2 is the side-looking structural representation of the hydraulic control linked selector valve of multichannel;
Fig. 3 is installed in the synthesis dust prevention principle schematic of comprehensive extracting and caving face for the hydraulic control linked selector valve of multichannel.
In conjunction with Fig. 1, Fig. 2 is described below: as can be seen from Figure 1, the hydraulic control linked selector valve of multichannel is by valve body 1, end cap 4 two large divisions form, end cap 4 is provided with six plunger holes as can be seen from Figure 2, three plunger holes are wherein arranged by contact cavity 33,36,41 respectively with plunger hole 38,39,37 connect, six interior plunger and plunger holes 38 that are provided with of plunger hole, 39,37 plungers that are provided with are packed into by the end cap 4 and the fitting surface direction of valve body 1, one end of the plunger in six plunger holes is near liquid entering hole, the other end all withstands on the top cap 27 of push rod 2, plunger hole 38,39, plunger one end that is provided with in 37 is near liquid entering hole, the other end withstands on the top cap of push rod 8, be equipped with groove on the said plunger, " O " RunddichtringO is housed in the groove, end cap 4 by bolton on valve body 1.
Said valve body 1 is a cuboid member, is provided with valve pocket 23,24 in the cuboid member, and connects by contact cavity 25, and the outside of valve body 1 is welded with quick pipe connecting mouth 10,34,35 respectively, and wherein quick pipe connecting mouth 10,34 is communicated with valve pocket 24; Quick pipe connecting mouth 35 is communicated with valve pocket 23.At valve body 1 with before end cap 4 is connected by bolt, the valve pocket 23,24 of respectively push rod 2,8 and parts thereof being packed into.
Said push rod 2, an end of 8 is the round platform pie, there are 6 plungers on the end top that push rod 2 is the round platform pie, be set with spring 3 on the other end push rod of round platform pie, push rod 2 middle parts are provided with groove, " O " RunddichtringO 7 is housed in the groove, the push rod body of rod passes valve pocket 40 and withstands on the spool 22, valve pocket 40 is boss shape structures of a hollow shell-like, the valve pocket external diameter is equipped with " O " RunddichtringO 7, spool 22 is cylinder components, and an end that cooperates with push rod body of rod termination is a face that concaves, and is installed with the rubber valve pad in the face that concaves, " O " RunddichtringO 7 is housed in the groove of the external diameter of spool 22, and the other end center of circle of spool 22 is provided with screw.Said leather cup frame 21 is set with leather cup 17, and is installed on the spool 22 by screw 18.Be with " O " RunddichtringO on the said screw 18, between cap of screw 18 (axially butt end) and the valve bonnet 20 spring 19 is installed, said valve bonnet 20 is a kind of cup-shape members, the outer rim mouth is provided with screw thread, the center of circle, bottom is provided with through hole, the valve bonnet inner bottom part is provided with the spill spring seat, and the screw thread screw thread spinning of outer rim is in the bottom of the valve pocket 23 of valve body on the valve bonnet through port.
Said push rod 8 is an end of round platform pie, the top is located at plunger hole 38,39, plunger in 37, be set with spring 3 on the other end push rod of round platform pie, body of rod middle part is provided with groove, " O " RunddichtringO 7 is housed in the groove, the push rod body of rod passes valve pocket 9 and withstands on the spool 12, valve pocket 9 is boss shape structures of a hollow shell-like, " O " RunddichtringO 7 is housed on the external diameter of valve pocket boss, spool 12 approximate one " T " character form components, the both sides of the end that spool cooperates with push rod body of rod termination are respectively faces that concaves, in the face that both sides concave, be installed with valve pad 11, stud with " O " RunddichtringO 7 in the groove on the cylindrical body termination of " T " font spool, valve seat 13 tops that can be shifted are passed in the cylindrical body termination of " T " font spool spring 16, the said valve seat 13 that is shifted is hollow cylinder body structures, the valve seat external diameter is provided with three road circular grooves, be installed with " O " RunddichtringO 7 in the circular groove of both sides, be arranged with four radial holes in the intermediate channel, the hollow perforation of the radial hole and the valve seat 13 that can be shifted, the end of valve seat 13 of can being shifted is the boss shape, be with spring 14 on the boss, the other end of spring 14 is enclosed within on the spring seat 15, spring seat 15 is the threaded pie plug of external diameter members, be screwed in valve pocket 24 bottoms of valve body 1 by silk thread mouth, make spring 14,16 all play a supporting role.
The hydraulic control linked selector valve of this multichannel can be accepted the control of six tunnel different oil hydraulic circuits, and the hydraulic coupling that wherein has three loops to accept by contact cavity 33,36,41 is handled push rod 8 and spray sprinkler depositing dust current changed flow to, have the effect of commutation.
Six tunnel hydraulic control fast interfaces of six plunger holes that are provided with on the end cap of the hydraulic control linked selector valve of multichannel are located on the end cap face, are the center of circle with fast interface 29, and all the other five tunnel hydraulic control fast interfaces are arranged on the same circular arc uniformly.After arbitrary hydraulic control interface receives the fluid control pressure of regulation, all can open the hydraulic control linked selector valve of multichannel, make the nozzle atomized water spray in the atomizing de-dusting apparatus loop under the hydraulic support.For example, receive the fluid control pressure of regulation when fast interface 6 after, pass to 27 1 fluid control pressures of top cap by plunger 5, push rod 2 is moved to right, the flow through fast interface 35 of the hydraulic control linked selector valve of multichannel of the current of atomized water spray, contact cavity 25, flow out the atomizing de-dusting apparatus atomized water spray in this group loop to fast interface 34; With fast interface 6 the same two groups of hydraulic control interfaces in addition that do not have the contact cavity of control commutation push rod 8, its course of action is the same with the process of fast interface 6 control atomizing de-dusting apparatus atomized water sprays; Receive the fluid control pressure of regulation when hydraulic control interface 29 after, passing to 27 1 fluid control pressures of top cap by plunger 28 when, also pass to 32 1 pressure of opening push rod 8 of plunger by contact cavity 33, push rod 8 and push rod 2 are moved to right simultaneously, open the hydraulic control linked selector valve of multichannel, current flow through fast interface 35, the contact cavity 25 of the hydraulic control linked selector valve of multichannel flow out to fast interface 10, make another road atomizing de-dusting apparatus nozzle atomized water spray.Play the effect of commutation.After fast interface 29 the same other two group interfaces that have contact cavity 36,41 receive the fluid control pressure of regulation respectively, its course of action also is when opening push rod 2 respectively, also can back down push rod 8 by contact cavity 36,41 respectively, connect the hydraulic control linked selector valve of multichannel, make the current of atomized water spray flow through fast interface 35, the contact cavity 25 of the hydraulic control linked selector valve of multichannel, to fast interface 10 outflows, supply with the nozzle atomized water spray of another road atomizing de-dusting apparatus.
The depositing dust schematic diagram of movements of fully mechanized mining face shown in Figure 3 just the hydraulic control linked selector valve of this multichannel at the schematic diagram of movements of the actual atomizing de-dusting of fully mechanized mining face, in the drawings: the interface that opens the door (KM), close door interface (BM) and be equivalent to fast interface shown in Figure 26 and other two groups of fast interfaces that do not have contact cavity, move frame (YJ), rise frame (SZ), fall frame (JZ) interface and be equivalent to fast interface shown in Figure 2 29 and other two groups of fast interfaces that have contact cavity, the scope of living with the dot-dash wire frame is equivalent to the valve body and the internal work principle thereof of the hydraulic control linked selector valve of multichannel, (JX) be equivalent to fast interface 34, (FM) be equivalent to fast interface (10), fast interface (35) is equivalent to the interface of one-way valve water pump.
Be described below: when atomizing pump (43) turns round, spray water (or other spraying liquid) sucks Pilot operated check valve 44 from container 42, the interface (KM) or when closing door interface (BM) the fluid control pressure signal being arranged if the discharge top coal mouth in the hydraulic control sampling unit 46 opens the door, logic add unit 45 is just exported a hydraulic coupling Pilot operated check valve 44 is opened, spray water is transported to the right chamber 49 of two position three-way valve through Pilot operated check valve 44, then, finish the spraying action from the nozzle ejection of discharge top coal mouth (FM); When open the door interface (KM) or when closing the fluid control pressure blackout of door interface (KM), Pilot operated check valve 44 is closed of the discharge top coal mouth in the hydraulic control sampling unit 46, spraying stops; In hydraulic control sampling unit 46, move frame (YJ), rise frame (SZ), in frame (JZ) interface any one tunnel falls when the fluid control pressure signal is arranged, at first Pilot operated check valve 44 is opened by logic add unit fluid power of 45 outputs, simultaneously, other has one tunnel hydraulic control masterpiece to be used on the logic add unit 47, make the hydraulic control masterpiece of logic add unit 47 outputs be used in chamber 48, a two position three-way valve left side, arrow afterbody in the chamber 48, a two position three-way valve left side is communicated with Pilot operated check valve 44, spray water is transported to the chamber, left chamber 48 of two position three-way valve through Pilot operated check valve 44, then the nozzle of (JX) sprays under hydraulic support, realizes frame spraying down; Under realizing hydraulic support in (JX) spraying, closed lead to discharge top coal mouth (FM), the water supply path, having finished the commutation action; When moving frame (YJ), rise frame (SZ) in the hydraulic control sampling unit 46, when falling the fluid control pressure blackout in frame (JZ) interface, the hydraulic coupling of logic add unit 45,47 outputs disappears, Pilot operated check valve 44 is closed, two position three-way valve resets by spring 50 simultaneously, and the hydraulic control linked selector valve of multichannel is restPosed.
The enforcement of the hydraulic control linked selector valve of multichannel, can make the hydraulic support of fully mechanized mining face fall frame, move frame, rise in the working procedure of frame and hydraulic support discharge top coal mouth discharge top coal, automatically realize the synchronous spraying action, have synchronous randomness, suppress flying upward and spreading of coal dust effectively.The coal-face operating environment is improved, be of value to the healthy of operating personnel, reached purpose of design.
Enforcement of the present utility model, for improving the operating environment of fully mechanized mining face, the operating environment of fully mechanized mining face that particularly can discharge top coal plays a positive role.For the illness rate of the coal dust silicosis occupation disease that reduces the operating personnel, accelerate development the comprehensive mechanical coal mining technology and have positive effect.
Claims (3)
1, the hydraulic control linked selector valve of a kind of multichannel that is used for the fully mechanized mining face hydraulic control, include spool, valve body and the pipe fitting interface that is located on the valve body are formed, of the present utility model being characterised in that is provided with valve pocket (23) and valve pocket (24) in the valve body, valve pocket (23) and valve pocket (24) connect by contact cavity, valve pocket (23) and (24) are separately installed with boss shape push rod (2) and (8), be respectively equipped with Returnning spring (3) on the body of rod of push rod (2) and push rod (8), stud with " o " shape seal ring (7), the thin bar head (26) of push rod (2) passes valve pocket (40), withstand on the bonnet of spool (22), by the threaded piece form screw (18) is installed on the axial center of circle of spool (22), be pressed with time-delay reset spring (19) between screw cap and the valve bonnet (20), the top cap (27) of push rod (2) is gone up the top the hydraulic control plunger, the thin bar head (30) of push rod (8) passes valve pocket (9) and withstands on the bonnet of spool (12), spool (12) penetrates the hole of valve seat (13) that can be shifted, and be pressed with valve core reseting spring (16) between the spring seat, the Returnning spring (14) that can be shifted and be pressed with valve seat between valve seat (13) and the spring seat, there is plunger on the top on the top cap of push rod (8).
2, according to the hydraulic control linked selector valve of the said multichannel of claim 1, it is characterized in that the hydraulic control linked selector valve end cap of described multichannel is provided with six plunger holes, six interior plungers that are provided with of plunger hole all withstand on the top cap (27) of push rod (2), three plunger holes are wherein arranged by contact cavity (33), (36), (41), connect with plunger hole (38), (39), (37) respectively, the plunger that is provided with respectively in plunger hole (38), (39), (37) withstands on the top cap of push rod (8).
3, according to claim 1, the hydraulic control linked selector valve of 2 said multichannels, six tunnel hydraulic control fast interfaces that it is characterized in that six plunger holes being provided with on the described end cap are located on the end cap face, with fast interface (29) is the center of circle, and all the other five tunnel hydraulic control fast interfaces are arranged on the same circular arc uniformly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93204581 CN2166271Y (en) | 1993-02-26 | 1993-02-26 | Multi-way liquid control link change valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93204581 CN2166271Y (en) | 1993-02-26 | 1993-02-26 | Multi-way liquid control link change valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2166271Y true CN2166271Y (en) | 1994-05-25 |
Family
ID=33788103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93204581 Expired - Fee Related CN2166271Y (en) | 1993-02-26 | 1993-02-26 | Multi-way liquid control link change valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2166271Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410803A (en) * | 2013-08-13 | 2013-11-27 | 常德中联重科液压有限公司 | Hydraulic control reversing valve, linkage control hydraulic system and hydraulic control system of excavator |
| CN104389834A (en) * | 2014-11-18 | 2015-03-04 | 无锡恒富科技有限公司 | Multigang valve seat for hydraulic system of assembly machine |
| CN106122548A (en) * | 2016-08-17 | 2016-11-16 | 中煤科工集团重庆研究院有限公司 | Non-electric transfer point spray control valve |
| CN107218075A (en) * | 2017-07-24 | 2017-09-29 | 江苏大学 | A kind of fully mechanized mining coal discharge outlet high-pressure water gas jet current fine water mist dust removal control gas device |
| CN109488296A (en) * | 2019-01-03 | 2019-03-19 | 天地科技股份有限公司上海分公司 | External spraying auto-increasing pressure and system built in coalcutter |
| WO2021174931A1 (en) * | 2020-03-04 | 2021-09-10 | 徐州徐工施维英机械有限公司 | Device and system with control logic for automatically switching between high and low pressure, and control method therefor |
| CN113719308A (en) * | 2021-09-09 | 2021-11-30 | 国能神东煤炭集团有限责任公司 | Support system for realizing air-water linkage spraying |
-
1993
- 1993-02-26 CN CN 93204581 patent/CN2166271Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410803A (en) * | 2013-08-13 | 2013-11-27 | 常德中联重科液压有限公司 | Hydraulic control reversing valve, linkage control hydraulic system and hydraulic control system of excavator |
| CN103410803B (en) * | 2013-08-13 | 2015-11-25 | 常德中联重科液压有限公司 | Hydraulic control reversing valve, linkage control hydraulic system and hydraulic control system of excavator |
| CN104389834A (en) * | 2014-11-18 | 2015-03-04 | 无锡恒富科技有限公司 | Multigang valve seat for hydraulic system of assembly machine |
| CN106122548A (en) * | 2016-08-17 | 2016-11-16 | 中煤科工集团重庆研究院有限公司 | Non-electric transfer point spray control valve |
| CN106122548B (en) * | 2016-08-17 | 2018-05-29 | 中煤科工集团重庆研究院有限公司 | Non-electric transfer point spray control valve |
| CN107218075A (en) * | 2017-07-24 | 2017-09-29 | 江苏大学 | A kind of fully mechanized mining coal discharge outlet high-pressure water gas jet current fine water mist dust removal control gas device |
| CN109488296A (en) * | 2019-01-03 | 2019-03-19 | 天地科技股份有限公司上海分公司 | External spraying auto-increasing pressure and system built in coalcutter |
| CN109488296B (en) * | 2019-01-03 | 2024-05-03 | 天地科技股份有限公司上海分公司 | Automatic pressurizing method and system for built-in external spraying of coal mining machine |
| WO2021174931A1 (en) * | 2020-03-04 | 2021-09-10 | 徐州徐工施维英机械有限公司 | Device and system with control logic for automatically switching between high and low pressure, and control method therefor |
| CN113719308A (en) * | 2021-09-09 | 2021-11-30 | 国能神东煤炭集团有限责任公司 | Support system for realizing air-water linkage spraying |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |