CN209293682U - High-low pressure switches waterpower and cuts spray head - Google Patents
High-low pressure switches waterpower and cuts spray head Download PDFInfo
- Publication number
- CN209293682U CN209293682U CN201821925470.9U CN201821925470U CN209293682U CN 209293682 U CN209293682 U CN 209293682U CN 201821925470 U CN201821925470 U CN 201821925470U CN 209293682 U CN209293682 U CN 209293682U
- Authority
- CN
- China
- Prior art keywords
- low pressure
- hole
- female
- switching
- water flow
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Nozzles (AREA)
Abstract
The utility model discloses a kind of high-low pressure switching waterpower to cut spray head, including the female being connect with drilling rod, the male connector being connect with drill bit, it is the inner cavity of water flowing inside the male connector, water flowing cavity is set inside female, high/low pressure cut-over valve is equipped in the inner cavity of male connector and the cavity inside of female, male connector and female are connected through a screw thread and high/low pressure cut-over valve limit are fixed in the inner cavity of male connector and the cavity of female, when water flow passes through high/low pressure cut-over valve, high/low pressure cut-over valve is high according to water flow pressure switching, low pressure water flow channel, spray high pressure water flow by nozzle through high pressure water flow channel, low pressure water flow is sprayed through low pressure water flow channel by spray head front end.Switching power of the utility model using hydraulic pressure as switching valve greatly improves drilling efficiency, improves gas rate of release in drill and make between cave that no replacement is required drill bit, dismounting drilling rod.
Description
Technical field
The utility model belongs to waterpower cutting technique field, and in particular to high-low pressure switches waterpower and cuts spray head.
Background technique
When mining, need to beat gas extraction hole in advance.Directly to be broken into drill bit in the past, pore-forming is small, often by
Gas pressure conquassation, does not have the effect to draw out methane.Waterpower drilling technique is gradually used to solve gas in the eighties in last century
The problem of extraction hole.But general punching apparatus and technique, need first to punch, then extract drilling rod, den bohrkopf abbauen is loaded onto punching and set
It is standby, it is punched out in protruding into the hole accomplished fluently, cumbersome, inefficiency.
Utility model content
The height of a kind of no replacement is required when the utility model technical issues that need to address are to provide punching drill bit, dismounting drilling rod
Low pressure switches waterpower and cuts spray head.
To solve the above problems, technical solution adopted in the utility model is:
A kind of high-low pressure switching waterpower cutting spray head, including the female connecting with drilling rod, the male connector connecting with drill bit is described
It is the inner cavity of water flowing inside male connector, water flowing cavity is set inside female, is equipped in the inner cavity of male connector and the cavity inside of female
High/low pressure cut-over valve, male connector and female are connected through a screw thread and high/low pressure cut-over valve limit are fixed on to inner cavity and the mother of male connector
In the cavity of head, wherein female side wall is equipped with nozzle, and nozzle is connected to the cavity inside female, corresponding on high/low pressure cut-over valve
The position of nozzle is equipped with annular groove, and annular groove and female inner cavity constitute annular chamber, and annular chamber is connected to high pressure water flow channel, high-low pressure switching
Setting switching hole in the middle part of valve, the position in corresponding switching hole are switching annular chamber, and switching annular chamber is connected to low pressure water flow channel, annular
Chamber is sealed with female inner wall and switching annular chamber with female and male connector inner wall, high when water flow passes through high/low pressure cut-over valve
Low pressure switching valve switches high and low pressure water stream channel according to water flow pressure, sprays high pressure water flow by nozzle through high pressure water flow channel,
Low pressure water flow is sprayed through low pressure water flow channel by spray head front end.
Further, the high/low pressure cut-over valve includes valve pocket, spool and spring, and wherein setting center in valve pocket rear end is blind
Hole, the position in sleeve side wall close to central blind hole bottom are equipped with switching hole, switching hole connection switching annular chamber and central blind hole,
Position in sleeve side wall at the top of central blind hole is equipped with high pressure water hole, high pressure water hole connected ring shape chamber and central blind hole, valve
Core is equipped with center limbers, and spring is located in the center limbers of spool and the central blind hole of valve pocket, spool pass through retaining ring with
And spring retainer, in the central blind hole of valve pocket, the outer wall of spool and the central blind hole inner wall of valve pocket are slidably and sealingly connected with, described
Spool has certain area close to the end face of valve pocket rear end.
Further, the valve pocket front end is equipped with inner hole, is equipped with ball sealer in inner hole, ball sealer is by being set to inner hole
For the baffle and hole retainer ring spacing on top in inner hole, the position on valve pocket close to inner hole bottom is equipped with flowing hole, flowing hole
It is connected to inner hole.
Preferably, the ball sealer uses silica-gel sphere.
Further, sealing element is additionally provided in female, limbers is arranged in the sealing element center, and method is arranged in sealing element outer wall
Orchid, sealing element are fixed in female by flange and retaining ring.
Preferably, the male connector is connect with drill bit by outer cone thread, and female is connect with drilling rod by inside tapered thread.
The beneficial effects of adopting the technical scheme are that
Switching power of the utility model using hydraulic pressure as switching valve in the drill bit that drills and make between cave that no replacement is required, is torn open
Drilling rod is unloaded, drilling efficiency is greatly improved, improves gas rate of release.When high pressure water flow cuts coal wall by nozzle, water and coal
Powder is mixed into coal slime, and one-way valve structures and body wall open-celled structure can effectively obstruct coal slime and flow into switching valve along through hole
Portion influences to switch function.Valve pocket is stainless steel material, and spool is copper material, and in use, spool valve pocket is not easy to get rusty,
Spool valve pocket hardness is different, is not in pinning phenomenon, substantially increases the service life of product and the efficiency of switching function.
Detailed description of the invention
Fig. 1 is the utility model structure diagram.
Fig. 2 is the utility model high/low pressure cut-over valve structural schematic diagram.
Specific embodiment
Utility model is described in further detail with reference to the accompanying drawing:
As shown in Figure 1, the utility model includes the female 200 connecting with drilling rod, the male connector 100 connecting with drill bit is described
It is the inner cavity 101 of water flowing inside male connector, water flowing cavity 202 is set inside female, in the inner cavity of male connector and the cavity of female
Portion is equipped with high/low pressure cut-over valve 300, and male connector and female are connected through a screw thread and male connector are fixed in high/low pressure cut-over valve limit
In the cavity of inner cavity and female, wherein female side wall is equipped with nozzle 400, and nozzle is connected to the cavity inside female, height
The position of corresponding nozzle in switching valve is pressed to be equipped with annular groove, annular groove and female inner cavity constitute annular chamber 401, and annular chamber is connected to high pressure water
Circulation road, high/low pressure cut-over valve middle part setting switching hole, the position in corresponding switching hole is switching annular chamber 203, switches annular chamber
It is connected to low pressure water flow channel, annular chamber is sealed with female inner wall and switching annular chamber with female and male connector inner wall, works as water flow
When passing through high/low pressure cut-over valve, high/low pressure cut-over valve switches high and low pressure water stream channel according to water flow pressure, makes high pressure water flow through height
Pressure water stream channel is sprayed by nozzle, and low pressure water flow is sprayed through low pressure water flow channel by spray head front end.
Wherein, male connector is connect with drill bit, preferably outer cone thread.Female is connect with drilling rod, preferably inside tapered thread.
The high/low pressure cut-over valve includes valve pocket 4, spool 7 and spring 6, and wherein central blind hole 304, valve is arranged in valve pocket rear end
It covers the position on side wall close to central blind hole bottom and is equipped with switching hole 303, switching hole connection switching annular chamber and central blind hole, valve
It covers the position on side wall at the top of central blind hole and is equipped with high pressure water hole 307, high pressure water hole connected ring shape chamber and central blind hole, valve
Core is equipped with center limbers 701, and spring is located in the center limbers of spool and the central blind hole of valve pocket, and spool passes through retaining ring
308 and spring retainer in the central blind hole of valve pocket, the outer wall of spool and the central blind hole inner wall of valve pocket are slidably and sealingly connected with,
The spool has certain area close to the end face of valve pocket rear end.The valve pocket front end is equipped with inner hole 301, is equipped in inner hole close
Blocking 5, ball sealer are limited in inner hole by the baffle 1 and hole retaining ring 2 for being set to inner hole top, close to inner hole on valve pocket
The position of bottom is equipped with flowing hole 302, and flowing hole is connected to inner hole.Sealing element 700, the sealing element center are additionally provided in female
Limbers 702 is set, and flange is arranged in sealing element outer wall, and sealing element is fixed in female by flange and retaining ring.
When low pressure water flow flows into high/low pressure cut-over valve from the limbers 702 of the sealed part 700 of drilling rod, hydraulic pressure acts on valve
Power on core 7 gives the power of spool 7 lower than spring 6, and spool 7 is pinched on hole retaining ring 2, has sealed up high pressure water hole 307.
The center limbers 701 that water flows through spool 7 flows into the central blind hole (cavity) 304 of valve pocket 4, using cutting on 4 side wall of valve pocket
It changes hole 303 and flows into female switching annular chamber 203, then flow into one-way valve structures through the flowing hole 302 on 4 side wall of valve pocket.Check valve
Structure is made of ball sealer 5, baffle 1, hole retaining ring 2 and inner hole 301.Water flow opens ball sealer, thus through inner hole 301, public affairs
The inner cavity 101 of head water flowing flows into drill bit.When water flow enters inner hole 301 from drill bit adverse current, ball sealer 5 can be with the closed inner hole of water flow
The channel that bottom is connected to flowing hole prevents water flow from flowing into inside high/low pressure cut-over valve, influences high/low pressure cut-over valve function.
When high pressure water flow flows into high/low pressure cut-over valve from sealed 700 limbers 702 of part of drilling rod, hydraulic pressure acts on spool
Power on 7 is higher than spring 6 to the power of spool 7, and spool 7 moves backward, and has sealed up switching hole 303.Water flows through high pressure water hole
307, switch chamber flow nozzle 4, sprayed through nozzle at high speeds, form water knife, cut coal wall.
For the ease of replacing, improving life of product, the switching valve is integral assembling structure, and the valve pocket is stainless steel
Material.The spool material is copper.The spring is rustproof spring steel material.The ball sealer is silica-gel sphere.The nozzle with
Female connection is using threaded connection.
Claims (6)
1. a kind of high-low pressure switching waterpower cuts spray head, it is characterised in that: including the female (200) being connect with drilling rod, with drill bit
The male connector (100) of connection, the male connector inside are the inner cavity (101) of water flowing, water flowing cavity (202) are arranged inside female, in public affairs
The inner cavity of head and the cavity inside of female are equipped with high/low pressure cut-over valve (300), and male connector is connected through a screw thread with female and will be high
The limit of low pressure switching valve is fixed in the inner cavity of male connector and the cavity of female, and wherein female side wall is equipped with nozzle (400), spray
Mouth is connected to the cavity inside female, and the position of corresponding nozzle is equipped with annular groove, annular groove and female inner cavity structure on high/low pressure cut-over valve
It circularizes chamber (401), annular chamber is connected to high pressure water flow channel, setting switching hole in the middle part of high/low pressure cut-over valve, corresponding switching hole
Position is switching annular chamber (203), and switching annular chamber is connected to low pressure water flow channel, annular chamber and female inner wall and switching annular
Chamber is sealed with female and male connector inner wall, and when water flow passes through high/low pressure cut-over valve, high/low pressure cut-over valve is cut according to water flow pressure
Change high and low pressure water stream channel, spray high pressure water flow by nozzle through high pressure water flow channel, low pressure water flow through low pressure water flow channel by
Spray head front end sprays.
2. high-low pressure switching waterpower according to claim 1 cuts spray head, it is characterised in that: the high/low pressure cut-over valve packet
Valve pocket (4), spool (7) and spring (6) are included, wherein valve pocket rear end setting central blind hole (304), it is blind close to center in sleeve side wall
The position of hole bottom is equipped with switching hole (303), and switching hole, which is connected to, switches annular chamber and central blind hole, close to center in sleeve side wall
Position at the top of blind hole is equipped with high pressure water hole (307), high pressure water hole connected ring shape chamber and central blind hole, and spool is equipped with center water flowing
Hole (701), spring are located in the center limbers of spool and the central blind hole of valve pocket, and spool passes through retaining ring (308) and bullet
Spring limits in the central blind hole of valve pocket, and the outer wall of spool and the central blind hole inner wall of valve pocket are slidably and sealingly connected with, the spool
End face close to valve pocket rear end has certain area.
3. high-low pressure switching waterpower according to claim 2 cuts spray head, it is characterised in that: the valve pocket front end is equipped with interior
Hole (301) is equipped with ball sealer (5) in inner hole, and ball sealer is by being set to the baffle (1) and hole retaining ring (2) on inner hole top
It is limited in inner hole, the position on valve pocket close to inner hole bottom is equipped with flowing hole (302), and flowing hole is connected to inner hole.
4. high-low pressure switching waterpower according to claim 3 cuts spray head, it is characterised in that: the ball sealer (5) uses
Silica-gel sphere.
5. high-low pressure switching waterpower according to claim 1-4 cuts spray head, it is characterised in that: also set in female
Have sealing element (700), limbers (702) are arranged in the sealing element center, and flange is arranged in sealing element outer wall, and sealing element passes through flange
And retaining ring is fixed in female.
6. high-low pressure switching waterpower according to claim 5 cuts spray head, it is characterised in that: the male connector passes through with drill bit
Outer cone thread connection, female are connect with drilling rod by inside tapered thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821925470.9U CN209293682U (en) | 2018-11-21 | 2018-11-21 | High-low pressure switches waterpower and cuts spray head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821925470.9U CN209293682U (en) | 2018-11-21 | 2018-11-21 | High-low pressure switches waterpower and cuts spray head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209293682U true CN209293682U (en) | 2019-08-23 |
Family
ID=67645740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821925470.9U Active CN209293682U (en) | 2018-11-21 | 2018-11-21 | High-low pressure switches waterpower and cuts spray head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209293682U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111236842A (en) * | 2020-03-23 | 2020-06-05 | 陕西太合智能钻探有限公司 | Hydraulic cave-making mechanism for underground drilling of coal mine |
| CN114991682A (en) * | 2022-07-04 | 2022-09-02 | 中煤科工集团重庆研究院有限公司 | Automatic loading and unloading plug-in type clamping lock positive and negative drill rod |
| 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 |
-
2018
- 2018-11-21 CN CN201821925470.9U patent/CN209293682U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111236842A (en) * | 2020-03-23 | 2020-06-05 | 陕西太合智能钻探有限公司 | Hydraulic cave-making mechanism for underground drilling of coal mine |
| CN114991682A (en) * | 2022-07-04 | 2022-09-02 | 中煤科工集团重庆研究院有限公司 | Automatic loading and unloading plug-in type clamping lock positive and negative drill rod |
| 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 |
| CN116271647B (en) * | 2023-04-23 | 2023-09-19 | 平顶山浩泰化工有限公司 | Quick supply device of chemical industry pipeline fire control foam |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209293682U (en) | High-low pressure switches waterpower and cuts spray head | |
| CN201475437U (en) | Constant-current non-return valve | |
| CN202117570U (en) | Plug-in type high-pressure cutting drill bit | |
| CN204042084U (en) | The hard leakproof one-way valve of a kind of high pressure for natural gas compressor | |
| CN106195332A (en) | A kind of hydraulic reaming makes the unidirectional filtering type in cave from row's powder high-low pressure current switching valve | |
| CN205977147U (en) | Cave is made with high low -pressure water flow automatic switching valve to water conservancy reaming | |
| CN202914018U (en) | Pressure test anti-spraying multifunctional plug | |
| CN210948496U (en) | High-low pressure conversion jet joint | |
| CN201052890Y (en) | Foam emulsion pump with more reasonable structure | |
| CN205977217U (en) | High low -pressure water flow automatic switching type cuts coal device | |
| CN205298704U (en) | Graded flow guide pressure relief valve | |
| CN109025810B (en) | Novel hot water core drill bit for drilling ice layer | |
| CN108979540B (en) | Mechanical hydrodynamic force combined reaming device | |
| CN220036583U (en) | Directional drilling hydraulic hole making device | |
| CN203383743U (en) | One-way non-return drill rod for coal mine | |
| CN204827248U (en) | Dual -purpose split type double jet drill bit that punches a hole creeps into | |
| CN209261487U (en) | Cave device is made in a kind of conversion of coal mine high-low pressure | |
| CN211230248U (en) | Concentric variable-diameter drill bit for shale gas exploitation | |
| CN204985987U (en) | Tap anti -shake moves device | |
| CN204098882U (en) | Oil, gas well liquid loading Novel nozzle | |
| CN201434120Y (en) | Novel constant-flow one-way valve | |
| CN204201210U (en) | A kind of reduction valve | |
| CN204284576U (en) | A kind of self-closing water-saving valve | |
| CN204024572U (en) | Pit shaft spraying prevention switch device and oil extraction pump assembly | |
| CN203836299U (en) | Magnetic non-return valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |