CN205977147U - Cave is made with high low -pressure water flow automatic switching valve to water conservancy reaming - Google Patents
Cave is made with high low -pressure water flow automatic switching valve to water conservancy reaming Download PDFInfo
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- CN205977147U CN205977147U CN201620982041.XU CN201620982041U CN205977147U CN 205977147 U CN205977147 U CN 205977147U CN 201620982041 U CN201620982041 U CN 201620982041U CN 205977147 U CN205977147 U CN 205977147U
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Abstract
The utility model provides a cave is made with high low -pressure water flow automatic switching valve to water conservancy reaming, includes the valve body, has the central passage in the valve body, and the valve body head end is equipped with the connector, and the valve body tail end is equipped with a plurality of efflux nozzle, and central passage afterbody department is provided with annular spacing arch, is provided with high low -pressure water flow switching mechanism in the central passage, and high low -pressure water flow switching mechanism includes piston cylinder and piston valve, and the high -pressure spray hole has been seted up to piston cylinder afterbody lateral wall, formation low -pressure water flow passageway between piston cylinder and the central passage, low -pressure water flow through -hole I and low -pressure water flow through -hole II have been offered to the lateral wall of piston cylinder, and the piston valve passes through the elastic component to be connected with the close end capped diapire of piston cylinder, and under elastic component natural state, low -pressure water flow through -hole II has a perfect understanding with low -pressure water flow through -hole I each other, and the valve wall end of piston valve seals up the high -pressure spray hole to when water pressure increases, seal low -pressure water flow through -hole II behind the piston valve antedisplacement elasticity of compression spare, open the high -pressure spray hole. The device, simple structure is practical, and is efficient.
Description
Technical field
This utility model is related to colliery punching apparatus field, and it is automatic that specially a kind of hydraulic reaming makes cave high-low pressure current
Switching valve.
Background technology
With the increase of coal bed drilling depth, the stress between coal seam is also gradually increased, the gas that common little drill bit is beaten
Stress extruding between extraction hole is easy to by coal seam is gone back, and greatly reduces the efficiency of gas drainage under suction.Waterpower drilling technique is certainly
Just gradually it is applied to up to now in seam mining after being found the eighties in last century.But due to waterpower bore operation
Mode needs in punching to extract drilling rod, changes punching apparatus into, just enables hydraulic flushing in hole.These equipment are mostly relatively more stupid
Weight, adnexa is more, causes the low labor strength of drilling efficiency and increases, has a strong impact on each side such as downhole production efficiency
Harmful effect.
Utility model content
In order to solve problem present in above-mentioned hydraulic flushing in hole operation, the utility model proposes a kind of hydraulic reaming makes cave
With high-low pressure current automatic switching valve, it is simple and practical, high punching efficiency.
This utility model for the taken technical scheme that solves the above problems is：A kind of hydraulic reaming makes cave high-low pressure
Current automatic switching valve, carries the valve body of auger including outer wall, has the central passage for current circulation in valve body, and valve body is along punching
The head end in hole direction is provided with the union joint for installing drill bit or drilling rod, and valve body is provided with and multiple runs through valve along the tail end in punching direction
Body sidewall is placed in the fluid jet nozzle in central passage, is provided with annular stop projection, valve body position at described central passage afterbody
It is provided with high-low pressure current switching mechanism in the central passage between union joint and annular stop projection, high-low pressure current switch
Mechanism includes piston cylinder and the piston valve being plugged in piston cylinder that slides, and piston cylinder and piston valve are along punching direction head end
The cylinder that sealing, tail end open wide, piston cylinder rear side wall offers the high-pressure spray hole being mutually communicated with fluid jet nozzle；Piston cylinder
Cylinder and central passage between form low pressure water flow passage, the side wall of piston cylinder offers low with low pressure water flow channel connection
Pressure throughbore I, the side wall of piston valve offers low pressure water flow through hole II, and piston valve is by being arranged on the bullet in piston cylinder cylinder
Property part be connected with the diapire of piston cylinder sealed end, and under elastic component naturalness, low pressure water flow through hole II is led to low pressure water flow
Hole I is mutually communicated, and the valve wall end seal high-pressure spray hole of piston valve, and when hydraulic pressure increases, piston valve reach compression bullet
Property part rear enclosed low pressure water flow through hole II, opens high-pressure spray hole.
As preferred, described piston cylinder head end is sealed by plug.
As preferred, the two ends of described piston cylinder are respectively provided with the connection protuberance mated with central passage internal diameter, piston cylinder
Cylinder external diameter between two connection protuberances is less than central passage internal diameter, and low pressure water flow through hole I is arranged on piston cylinder cylinder
At the position of upper adjacent pistons cylinder tail end connection protuberance, high-pressure spray hole is arranged in the connection protuberance of piston cylinder tail end.
As preferred, at the opening end of described piston cylinder, it is provided with the spacing back-up ring for limiting piston valve position.
As preferred, described union joint has the through hole connecting with central passage.
As preferred, described valve body two ends are provided with female joint, and union joint threaded one end is connected to the mother of valve body head end
In joint.
Compared with prior art, this utility model has the advantages that：
A kind of hydraulic reaming described in the utility model makes cave high-low pressure current automatic switching valve, and collection is drilled, punching is
Integrally, after connecting drill bit, low pressure water flow can cool down to drill bit, and High-Pressure Water can be punched out making cave, structure to coal seam
Simply, with low cost, only need to change the conversion that water flow pressure or flow velocity can easily be realized drilling with punching function.
Brief description
Fig. 1 makes the structural representation of cave high-low pressure current automatic switching valve for a kind of hydraulic reaming of this utility model；
Fig. 2 makes the structural representation of valve body in the high-low pressure current automatic switching valve of cave for a kind of hydraulic reaming of this utility model
Figure
Fig. 3 makes high-low pressure current switching in the high-low pressure current automatic switching valve of cave for a kind of hydraulic reaming of this utility model
The structural representation of mechanism；
The structure that Fig. 4 makes union joint in the high-low pressure current automatic switching valve of cave for a kind of hydraulic reaming of this utility model is shown
It is intended to；
In figure labelling：1st, the body of rod, 101, fluid jet nozzle, 102, female joint, 2, annular stop raised, 3, union joint, 4, live
Plug tube, 401, high-pressure spray hole, 402, low pressure water flow through hole I, 403, connection protuberance, 5, piston valve, 501, low pressure water flow through hole
II, 6, elastic component, 7, low pressure water flow passage, 8, plug, 9, spacing back-up ring.
Specific embodiment
With reference to specific embodiment, this utility model is elaborated, the present embodiment is with technical solutions of the utility model
Premised on, give detailed embodiment and specific operating process.
As illustrated, this utility model makes cave high-low pressure current automatic switching valve for a kind of hydraulic reaming, including outer wall
Valve body 1 with auger, have in valve body 1 for current circulation central passage, valve body 1 along punching direction head end be provided with for
The union joint 3 of drill bit or drilling rod is installed, valve body 1 is provided with multiple valve body 1 side walls that run through and is placed in center along the tail end in punching direction
Fluid jet nozzle 101 in passage, is provided with annular stop projection 2 at described central passage afterbody, valve body 1 be located at union joint 3 with
It is provided with high-low pressure current switching mechanism, high-low pressure current switching mechanism includes in central passage between annular stop projection 2
Piston cylinder 4 and the piston valve 5 being plugged in piston cylinder 4 that slides, piston cylinder 4 and piston valve 5 are close along punching direction head end
The cylinder that envelope, tail end open wide, piston cylinder 4 rear side wall offers the high-pressure spray hole 401 being mutually communicated with fluid jet nozzle 101；
Form low pressure water flow passage 7, the side wall of piston cylinder 4 is offered and led to low pressure water flow between the cylinder of piston cylinder 4 and central passage
The low pressure water flow through hole I 402 of road 7 connection, the side wall of piston valve 5 offers low pressure water flow through hole II 501, and piston valve 5 passes through to set
The elastic component 6 put in piston cylinder 4 cylinder is connected with the diapire of piston cylinder 4 sealed end, and under elastic component 6 naturalness, low
Pressure throughbore II 501 is mutually communicated with low pressure water flow through hole I 402, and the valve wall end seal high-pressure spray hole of piston valve 5
401, and when hydraulic pressure increases, piston valve 5 reach compression elastic piece 6 rear enclosed low pressure water flow through hole II 501, open high-pressure spray
Hole 401.
It is basic embodiment of the present utility model above, can be improved further, optimize or limit on the basis of above
Fixed.
Further, described piston cylinder 4 head end is sealed by plug 8.
Further, the two ends of described piston cylinder 4 are respectively provided with the connection protuberance 403 mated with central passage internal diameter, piston
The cylinder external diameter that cylinder 4 is located between two connection protuberances 403 is less than central passage internal diameter, and low pressure water flow through hole I 402 is arranged on work
At the position of adjacent pistons cylinder tail end connection protuberance 403 on plug tube 4 cylinder, high-pressure spray hole 401 is arranged on piston cylinder tail end
In connection protuberance 403.
Further, it is provided with the spacing back-up ring 9 for limiting piston valve 5 position at the opening end of described piston cylinder 4.
Further, described union joint 3 has the through hole connecting with central passage.
Further, described valve body 1 two ends are provided with female joint 102, and union joint 3 threaded one end is connected to valve body 1 head end
Female joint 102 in.
This switching valve and existing coal seam drill bit of drilling is used in conjunction with each other.
During normally drilling, the flow velocity of water and pressure ratio are relatively low, and current first enter through the central passage in the body of rod 1 and live
Plug valve 5, now hydraulic pressure be not enough to compression elastic piece 6, the low pressure water flow through hole II 501 of piston valve 5 and the low pressure water flow of piston cylinder 4
Through hole I 402 is mutually communicated, and the valve wall end seal high-pressure spray hole 401 of piston valve 5, and whole coal cutting device is in low pressure water
Stream rinses the state of cooling, flows into low pressure water flow passage after current elder generation after low pressure water flow through hole II 501, low pressure water flow through hole I 402
7, and enter into union joint 3 through low pressure water flow passage 7.
During cave is made in punching, the pressure of increased water flow and flow velocity, current first enter through the central passage in the body of rod 1 and live
Plug valve 5, the power of now hydraulic pressure collision piston valve 5 sealing gasket be enough to compression elastic piece 6, and elastic component 6 shrinks, and piston valve 5 moves forward, and lives
The low pressure water flow through hole II 501 of plug valve 5 loses the state of insertion with the low pressure water flow through hole I 402 of piston cylinder 4, closes current
Front stand in channel, the valve wall end to piston valve 5 departs from sealing to high-pressure spray hole 401, now, high-pressure spray hole 401 and penetrating
Stream shower nozzle 101 is in, with the central passage of the body of rod 1, the state being mutually communicated, and the current of high pressure through high-pressure spray hole 401 and are penetrated
After stream shower nozzle 101, horizontal high voltage punching is entered to coal seam and make cave.
The above, be only preferred embodiment of the present utility model, not this utility model is made any formal
Restriction although this utility model is described as above with preferred embodiment, but be not limited to this utility model, any ripe
Know professional and technical personnel, in the range of without departing from technical solutions of the utility model, when available technology contents described above
A little change of making or modify the Equivalent embodiments being equivalent variations, as long as being without departing from technical solutions of the utility model
Hold, any simple modification, equivalent variations and modification above example made according to technical spirit of the present utility model, all still
Belong in the range of technical solutions of the utility model.
Claims (6)
1. a kind of hydraulic reaming makes cave high-low pressure current automatic switching valve, carries the valve body of auger including outer wall（1）, valve body
（1）In have for current circulation central passage, valve body（1）Head end along punching direction is provided with for installing drill bit or drilling rod
Union joint（3）, valve body（1）Tail end along punching direction is provided with and multiple runs through valve body（1）Side wall is placed in penetrating in central passage
Stream shower nozzle（101）It is characterised in that：It is provided with annular stop raised at described central passage afterbody（2）, valve body（1）The company of being located at
Joint（3）Raised with annular stop（2）Between central passage in be provided with high-low pressure current switching mechanism, high-low pressure current are cut
Converting mechanism includes piston cylinder（4）And slip is plugged in piston cylinder（4）Interior piston valve（5）, piston cylinder（4）With piston valve（5）
It is the cylinder opening wide along the sealing of punching direction head end, tail end, piston cylinder（4）Rear side wall offers and fluid jet nozzle（101）
The high-pressure spray hole being mutually communicated（401）；Piston cylinder（4）Cylinder and central passage between formed low pressure water flow passage（7）, live
Plug tube（4）Side wall offer and low pressure water flow passage（7）The low pressure water flow through hole I of connection（402）, piston valve（5）Side wall
Offer low pressure water flow through hole II（501）, piston valve（5）By being arranged on piston cylinder（4）Elastic component in cylinder（6）With piston
Cylinder（4）The diapire of sealed end connects, and in elastic component（6）Under naturalness, low pressure water flow through hole II（501）Lead to low pressure water flow
Hole I（402）It is mutually communicated, and piston valve（5）Valve wall end seal high-pressure spray hole（401）, and when hydraulic pressure increases, piston
Valve（5）Reach compression elastic piece（6）Rear enclosed low pressure water flow through hole II（501）, open high-pressure spray hole（401）.
2. as claimed in claim 1 a kind of hydraulic reaming make cave high-low pressure current automatic switching valve it is characterised in that：Described
Piston cylinder（4）Head end passes through plug（8）Sealing.
3. as claimed in claim 1 a kind of hydraulic reaming make cave high-low pressure current automatic switching valve it is characterised in that：Described
Piston cylinder（4）Two ends be respectively provided with the connection protuberance mated with central passage internal diameter（403）, piston cylinder（4）Connect positioned at two
Protuberance（403）Between cylinder external diameter be less than central passage internal diameter, low pressure water flow through hole I（402）It is arranged on piston cylinder（4）Cylinder
Upper adjacent pistons cylinder tail end connection protuberance（403）Position at, high-pressure spray hole（401）The connection being arranged on piston cylinder tail end is convex
Portion（403）On.
4. as claimed in claim 1 a kind of hydraulic reaming make cave high-low pressure current automatic switching valve it is characterised in that：Described
Piston cylinder（4）Opening end at be provided with for limiting piston valve（5）The spacing back-up ring of position（9）.
5. as claimed in claim 1 a kind of hydraulic reaming make cave high-low pressure current automatic switching valve it is characterised in that：Described
Union joint（3）There is the through hole connecting with central passage.
6. as claimed in claim 1 a kind of hydraulic reaming make cave high-low pressure current automatic switching valve it is characterised in that：Described
Valve body（1）Two ends are provided with female joint（102）, union joint（3）Threaded one end is connected to valve body（1）The female joint of head end（102）
In.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620982041.XU CN205977147U (en) | 2016-08-30 | 2016-08-30 | Cave is made with high low -pressure water flow automatic switching valve to water conservancy reaming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620982041.XU CN205977147U (en) | 2016-08-30 | 2016-08-30 | Cave is made with high low -pressure water flow automatic switching valve to water conservancy reaming |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205977147U true CN205977147U (en) | 2017-02-22 |
Family
ID=58041385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620982041.XU Active CN205977147U (en) | 2016-08-30 | 2016-08-30 | Cave is made with high low -pressure water flow automatic switching valve to water conservancy reaming |
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| CN (1) | CN205977147U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106769195A (en) * | 2017-03-11 | 2017-05-31 | 上海久卓机电设备有限公司 | The drilling tool of high viscosity geologic structure soil improvement |
| CN108505945A (en) * | 2018-03-30 | 2018-09-07 | 平顶山天成钻机钻具制造有限公司 | A kind of drill is bit Integrated |
| CN111236842A (en) * | 2020-03-23 | 2020-06-05 | 陕西太合智能钻探有限公司 | A hydraulic hole-making mechanism for underground drilling in coal mines |
| CN116044312A (en) * | 2023-04-03 | 2023-05-02 | 湖南大学 | Curve high-pressure jet grouting drill bit capable of monitoring grouting pressure in real time |
| CN116271647A (en) * | 2023-04-23 | 2023-06-23 | 平顶山浩泰化工有限公司 | Quick supply device of chemical industry pipeline fire control foam |
-
2016
- 2016-08-30 CN CN201620982041.XU patent/CN205977147U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106769195A (en) * | 2017-03-11 | 2017-05-31 | 上海久卓机电设备有限公司 | The drilling tool of high viscosity geologic structure soil improvement |
| CN108505945A (en) * | 2018-03-30 | 2018-09-07 | 平顶山天成钻机钻具制造有限公司 | A kind of drill is bit Integrated |
| CN108505945B (en) * | 2018-03-30 | 2024-05-14 | 平顶山天成矿山工程设备有限公司 | Punching and drilling integrated drill bit |
| CN111236842A (en) * | 2020-03-23 | 2020-06-05 | 陕西太合智能钻探有限公司 | A hydraulic hole-making mechanism for underground drilling in coal mines |
| CN116044312A (en) * | 2023-04-03 | 2023-05-02 | 湖南大学 | Curve high-pressure jet grouting drill bit capable of monitoring grouting pressure in real time |
| CN116271647A (en) * | 2023-04-23 | 2023-06-23 | 平顶山浩泰化工有限公司 | Quick supply device of chemical industry pipeline fire control foam |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 467000 South North Ring Road, Pingdingshan City, Henan Province (West of Xinhua Industrial Park) Patentee after: Tiefulai Equipment Manufacturing Group Co.,Ltd. Address before: 467000 South North Ring Road, Pingdingshan City, Henan Province (West of Xinhua Industrial Park) Patentee before: HENAN TIEFULAI EQUIPMENT MANUFACTURING Co.,Ltd. |