CN205977218U - Can one -way filterable high low -pressure water flow automatic switching water sword from row powder formula - Google Patents
Can one -way filterable high low -pressure water flow automatic switching water sword from row powder formula Download PDFInfo
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- CN205977218U CN205977218U CN201620982025.0U CN201620982025U CN205977218U CN 205977218 U CN205977218 U CN 205977218U CN 201620982025 U CN201620982025 U CN 201620982025U CN 205977218 U CN205977218 U CN 205977218U
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Abstract
The utility model provides a can one -way filterable high low -pressure water flow automatic switching water sword from row powder formula, have the body of rod of auger and the drill bit of being connected with the body of rod including the outer wall, the central passage that has the circulation of supplying water in the body of rod, body of rod tail end is equipped with a plurality of efflux nozzle that run through body of rod lateral wall, body of rod both ends all are provided with the female joint, the central passage afterbody is provided with annular spacing arch with the female joint department of meeting, the body of rod is connected with the drill bit through a shaft -like connector that has the central through hole, connector tail end and the first end screw thread connection of the body of rod, and it supplies water to be provided with in the central through hole of connector tail end flows the check valve in the one -way inflow drill bit, the connector head end is inserted through shaft -like connecting portion and is established in the drill bit, and be provided with the filter screen in the central through hole of connector head end, shaft -like connecting portion lateral wall is provided with the spacer pin that is used for fixed drill bit, the central passage that the body of rod is located between connector and the annular spacing arch is provided with high low -pressure water flow switching mechanism. The device, simple structure, efficient.
Description
Technical field
This utility model is related to downhole coal mine technical field of mechanical equipment, specially a kind of from row's powder formula can unidirectional filtration height
Pressure current automatic conversion water knife.
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, can cause to import smoothly because of reasons such as collapse holes, have a strong impact on gas when complex procedures and secondary importing drilling rod
Extraction works, and causes the low labor strength of drilling efficiency and increases, the harmful effect of each side such as downhole production efficiency.
Utility model content
In order to solve problem present in above-mentioned hydraulic flushing in hole operation, the utility model proposes a kind of can be single from row's powder formula
To the high-low pressure current automatic conversion water knife filtering, structure is simple, is convenient for changing, and can automatically arrange powder in boring, by height
The conversion of low pressure can be achieved with holing with hole-punching integrated, solve simultaneously and drill and the coal watery vomiting that often occurs in punch process
Flow problem.
This utility model for the taken technical scheme that solves the above problems is：A kind of can unidirectional filtration from row's powder formula
High-low pressure current automatic conversion water knife, the body of rod carrying auger including outer wall and the drill bit being connected with the body of rod, are had in the body of rod
For the central passage of current circulation, the body of rod is provided with multiple bar body sidewalls and is placed in central passage along the tail end in punching direction
Fluid jet nozzle, body of rod two ends are provided with female joint, and it is convex that central passage afterbody and female joint joint are provided with annular stop
Rise, the described body of rod is connected with drill bit by a shaft-like union joint carrying central through hole, connects tail end and body of rod head end screw thread
Connect, and connect the check valve being fixedly installed in the central through hole of tail end in current unidirectional inflow drill bit, union joint is first
End is plugged in drill bit by the shaft-like connecting portion at this end, and is provided with filter screen in the central through hole of union joint head end, shaft-like company
Socket part side wall is provided with the spacer pin for fixed drill bit, and the body of rod is located at the central passage between union joint and annular stop projection
Inside it is provided with high-low pressure current switching mechanism；
Described high-low pressure current switching mechanism includes piston cylinder and the piston valve being plugged in piston cylinder that slides, piston cylinder
It is the cylinder opening wide along the sealing of punching direction head end, tail end with piston valve, piston cylinder rear side wall offers and fluid jet nozzle
The high-pressure spray hole being mutually communicated；Form low pressure water flow passage, the side wall of piston cylinder between the cylinder of piston cylinder and central passage
Offer the low pressure water flow through hole I with low pressure water flow channel connection, the side wall of piston valve offers low pressure water flow through hole II, piston
Valve is connected with the diapire of piston cylinder sealed end by the elastic component being arranged in piston cylinder cylinder, and in elastic component naturalness
Under, low pressure water flow through hole II is mutually communicated with low pressure water flow through hole I, and the valve wall end seal high-pressure spray hole of piston valve, and
When hydraulic pressure increases, piston valve reach compression elastic piece rear enclosed low pressure water flow through hole II, open high-pressure spray hole.
As preferred, it is located in described central through hole and is provided with check valve both sides for fixing check valve and can lead to
Cross baffle plate and the back-up ring of current.
As preferred, described check valve is by the one-way valve seat with a trapezoidal hole and the steel being arranged in trapezoidal hole
Ball is constituted, and the big opening end of trapezoidal hole is arranged towards punching direction, and trapezoidal hole is connected with central through hole and central passage.
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, it is provided with described drill bit and the central passage in the body of rod and the central through hole phase in union joint
The cavity for cooling of insertion.
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, between described piston cylinder two ends and central passage, between piston valve two ends and piston cylinder and even
The position being connected that contacts between joint head end and drill bit is provided with sealing ring.
As preferred, described union joint is hexagonal structure.
Compared with prior art, this utility model has the advantages that：
First, described in the utility model a kind of from row powder formula can unidirectional filtration high-low pressure current automatic conversion water knife,
Using hydraulic pressure as the high-low pressure current switching mechanism of power can make switching valve integrate drill, punching, realize boring and punching
Integration, solving drills in conventional equipment change with punching change that spare and accessory parts are more, labor strength big, inefficiency
Problem, and structure is simple, only needs to change water flow pressure during operation, operation is extremely convenient.
Second, described in the utility model a kind of from row powder formula can unidirectional filtration high-low pressure current automatic conversion water knife,
Between union joint and drill bit, connecting and fixing of drill bit is realized by spacer pin, greatly simplify the dismounting work of drill bit in use
Sequence, solves the problems, such as that drill bit dismounting is difficult, and union joint passes through transmitting torque between its hexagonal structure and drill bit, efficiency is more
High.
3rd, described in the utility model a kind of from row powder formula can unidirectional filtration high-low pressure current automatic conversion water knife,
Coal dust can be automatically drained out under water knife work bore state by the auger of valve outer wall along the hand of spiral of auger, it is to avoid coal
Powder accumulation in the borehole.
4th, described in the utility model a kind of from row powder formula can unidirectional filtration high-low pressure current automatic conversion water knife,
Current flow in coal bed drilling after drill bit, and current and coal dust are mixed formation coal slime, and check valve can effectively prevent coal slime
Adverse current enters in union joint it is ensured that the normal work of high-low pressure current switching mechanism.
Brief description
Fig. 1 is that this utility model is a kind of can the structure of high-low pressure current automatic conversion water knife of unidirectional filtration be shown from row's powder formula
It is intended to；
Fig. 2 is that this utility model is a kind of can the body of rod in the high-low pressure current automatic conversion water knife of unidirectional filtration from row's powder formula
Structural representation；
Fig. 3 is that this utility model is a kind of can high-low pressure in the high-low pressure current automatic conversion water knife of unidirectional filtration from row's powder formula
The structural representation of current switching mechanism；
Fig. 4 is that this utility model is a kind of can union joint in the high-low pressure current automatic conversion water knife of unidirectional filtration from row's powder formula
Structural representation；
Fig. 5 is that this utility model is a kind of can drill bit in the high-low pressure current automatic conversion water knife of unidirectional filtration from row's powder formula
Structural representation；
In figure labelling：1st, the body of rod, 101, fluid jet nozzle, 102, female joint, 2, annular stop raised, 3, union joint, 301,
Spacer pin, 302, central through hole, 303, baffle plate, 4, piston cylinder, 401, high-pressure spray hole, 402, low pressure water flow through hole I, 403, even
Connect protuberance, 5, piston valve, 501, low pressure water flow through hole II, 6, elastic component, 7, low pressure water flow passage, 8, drill bit, 801, cavity, 9,
Check valve, 901, one-way valve seat, 902, steel ball, 10, filter screen, 11, plug, 12, spacing back-up ring, 13, sealing 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 be a kind of from row powder formula can unidirectional filtration high-low pressure current automatic conversion water knife,
The body of rod 1 carrying auger including outer wall and the drill bit 8 being connected with the body of rod 1, the center having in the body of rod 1 for current circulation is logical
Road, the body of rod 1 is provided with and multiple runs through the fluid jet nozzle 101 that the body of rod 1 side wall is placed in central passage, bar along the tail end in punching direction
Body 1 two ends are provided with female joint 102, and central passage afterbody and female joint 102 joint are provided with annular stop projection 2, institute
State the body of rod 1 to be connected with drill bit 8 by a shaft-like union joint 3 carrying central through hole 302, union joint 3 tail end and the body of rod 1 head end spiral shell
Stricture of vagina connects, and is fixedly installed the check valve 9 that flow in drill bit 8 unidirectional for current in the central through hole 302 of union joint 3 tail end,
Union joint 3 head end is plugged in drill bit 1 by the shaft-like connecting portion at this end, and arranges in the central through hole 302 of union joint 3 head end
There is filter screen 10, shaft-like connecting portion side wall is provided with the spacer pin 301 for fixed drill bit 8, the body of rod 1 is located at union joint 3 and annular
It is provided with high-low pressure current switching mechanism in central passage between spacing preiection 2；
Described high-low pressure current switching mechanism includes piston cylinder 4 and the piston valve 5 being plugged in piston cylinder 4 that slides, and lives
Plug tube 4 and piston valve 5 are the cylinder opening wide along the sealing of punching direction head end, tail end, and piston cylinder 4 rear side wall offers and penetrates
The high-pressure spray hole 401 that stream shower nozzle 101 is mutually communicated；Form low pressure water flow passage between the cylinder of piston cylinder 4 and central passage
7, the side wall of piston cylinder 4 offers the low pressure water flow through hole I 402 connecting with low pressure water flow passage 7, and the side wall of piston valve 5 opens up
There is low pressure water flow through hole II 501, piston valve 5 is by the elastic component 6 that is arranged in piston cylinder 4 cylinder and piston cylinder 4 sealed end
Diapire connects, and under elastic component 6 naturalness, low pressure water flow through hole II 501 is mutually communicated with low pressure water flow through hole I 402, and
The valve wall end seal high-pressure spray hole 401 of piston valve 5, and when hydraulic pressure increases, seal after piston valve 5 reach compression elastic piece 6
Close 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, in described central through hole 302 be located at check valve 9 both sides at be provided with for fix check valve 9 and
Baffle plate 303 and the spacing back-up ring 12 of current can be passed through.
Further, described check valve 9 by the one-way valve seat 901 with a trapezoidal hole and is arranged in trapezoidal hole
Steel ball 902 is constituted, and the big opening end of trapezoidal hole is arranged towards punching direction, and trapezoidal hole is led to central through hole 302 and center
Road is connected.
Further, described piston cylinder 4 head end is sealed by plug 11.
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 described drill bit 8 and the central through hole in the central passage in the body of rod 1 and union joint 3
302 cavitys 801 for cooling connecting.
Further, it is provided with the spacing back-up ring 12 for limiting piston valve 5 position at the opening end of described piston cylinder 4.
Further, between described piston cylinder 4 two ends and central passage, between piston valve 5 two ends and piston cylinder 4 and even
The position being connected that contacts between joint 3 head end and drill bit 8 is provided with sealing ring 13.
Further, described union joint 3 is hexagonal structure, connects 3 and passes through transmission torsion between its hexagonal structure and drill bit 8
Square, in hgher efficiency.
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 pass through filter screen 10 after entering into through check valve 9 through low pressure water flow passage 7 in the through hole of union joint 3, it is flowed in drill bit 8
Cavity 801 in, waterpower cooling is carried out to drill bit 8.
Cool down the principle that link uses orifice restriction in drill bit：After current pass through filter screen 10, current run into and narrow suddenly
Section, makes the pressure of current drastically decline due to there is resistance, and its corresponding evaporating temperature also can accordingly decline, therefore liquid
Will evaporate at a lower temperature, the evaporation process absorption heat of itself, thus cooling down to drill bit 8.
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.
During cave is made in high pressure punching, the path blockade of low pressure water flow, check valve 9 is without the promotion of current, Jiu Huiguan
Closed walk, preventing coal water from entering inside cavity by drill bit 8 apopore affects the use of piston type stream commutator.
During drilling, the auger in the body of rod 1 outside can be automatically drained out to Ore and coal dust, prevents its impact boring
Efficiency.
In the way of spacer pin 301, drill bit 8 and union joint 3 are attached, union joint 3 is hexagonal structure, by six sides
Structure and drill bit 8 transmitting torque, only need to by simple instrument, spacer pin 301 be dismounted after drill bit 8 abrasion, just can be rapid
Complete the replacing of drill bit 8.
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 (9)
1. a kind of from row powder formula can unidirectional filtration high-low pressure current automatic conversion water knife, include outer wall with auger the body of rod
（1）And and the body of rod（1）The drill bit connecting（8）, the body of rod（1）In have for current circulation central passage, the body of rod（1）Along punching
The tail end in direction is provided with and multiple runs through the body of rod（1）Side wall is placed in the fluid jet nozzle in central passage（101）, the body of rod（1）Two ends
It is provided with female joint（102）, central passage afterbody and female joint（102）It is raised that joint is provided with annular stop（2）, it is special
Levy and be：The described body of rod（1）Carry central through hole by one（302）Shaft-like union joint（3）With drill bit（8）Connect, union joint
（3）Tail end and the body of rod（1）Head end is threaded, and union joint（3）The central through hole of tail end（302）In be fixedly installed and supply current
Unidirectional inflow drill bit（8）In check valve（9）, union joint（3）Head end is plugged in drill bit by the shaft-like connecting portion at this end（8）
In, and union joint（3）The central through hole of head end（302）In be provided with filter screen（10）, shaft-like connecting portion side wall is provided with for solid
Determine drill bit（8）Spacer pin（301）, the body of rod（1）Positioned at union joint（3）Raised with annular stop（2）Between central passage in
It is provided with high-low pressure current switching mechanism；
Described high-low pressure current switching 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 is opened
It is provided with and fluid jet nozzle（101）The high-pressure spray hole being mutually communicated（401）；Piston cylinder（4）Cylinder and central passage between shape
Become low pressure water flow passage（7）, piston cylinder（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）Cylinder
Internal elastic component（6）With piston cylinder（4）The diapire of sealed end connects, and in elastic component（6）Under naturalness, low pressure water flow leads to
Hole II（501）With low pressure water flow through 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 from row powder formula can unidirectional filtration high-low pressure current automatic conversion water knife, its feature
It is：Described central through hole（302）In be located at check valve（9）It is provided with for fixing check valve at both sides（9）And can pass through
The baffle plate of current（303）With spacing back-up ring（12）.
3. as claimed in claim 1 a kind of from row powder formula can unidirectional filtration high-low pressure current automatic conversion water knife, its feature
It is：Described check valve（9）By the one-way valve seat with a trapezoidal hole（901）With the steel ball being arranged in trapezoidal hole
（902）Constitute, the big opening end of trapezoidal hole is arranged towards punching direction, and trapezoidal hole and central through hole（302）And center leads to
Road is connected.
4. as claimed in claim 1 a kind of from row powder formula can unidirectional filtration high-low pressure current automatic conversion water knife, its feature
It is：Described piston cylinder（4）Head end passes through plug（11）Sealing.
5. as claimed in claim 1 a kind of from row powder formula can unidirectional filtration high-low pressure current automatic conversion water knife, its feature
It is：Described piston cylinder（4）Two ends be respectively provided with the connection protuberance mated with central passage internal diameter（403）, piston cylinder（4）It is located at
Two connection protuberances（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）Adjacent pistons cylinder tail end connection protuberance on cylinder（403）Position at, high-pressure spray hole（401）It is arranged on piston cylinder tail
The connection protuberance at end（403）On.
6. as claimed in claim 1 a kind of from row powder formula can unidirectional filtration high-low pressure current automatic conversion water knife, its feature
It is：Described drill bit（8）Inside it is provided with and the body of rod（1）Interior central passage and union joint（3）Interior central through hole（302）Phase
The cavity for cooling of insertion（801）.
7. as claimed in claim 1 a kind of from row powder formula can unidirectional filtration high-low pressure current automatic conversion water knife, its feature
It is：Described piston cylinder（4）Opening end at be provided with for limiting piston valve（5）The spacing back-up ring of position（12）.
8. as claimed in claim 1 a kind of from row powder formula can unidirectional filtration high-low pressure current automatic conversion water knife, its feature
It is：Described piston cylinder（4）Between two ends and central passage, piston valve（5）Two ends and piston cylinder（4）Between and union joint
（3）Head end and drill bit（8）Between the contact position of connection be provided with sealing ring（13）.
9. as claimed in claim 1 a kind of from row powder formula can unidirectional filtration high-low pressure current automatic conversion water knife, its feature
It is：Described union joint（3）For hexagonal structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620982025.0U CN205977218U (en) | 2016-08-30 | 2016-08-30 | Can one -way filterable high low -pressure water flow automatic switching water sword from row powder formula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620982025.0U CN205977218U (en) | 2016-08-30 | 2016-08-30 | Can one -way filterable high low -pressure water flow automatic switching water sword from row powder formula |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205977218U true CN205977218U (en) | 2017-02-22 |
Family
ID=58041418
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620982025.0U Active CN205977218U (en) | 2016-08-30 | 2016-08-30 | Can one -way filterable high low -pressure water flow automatic switching water sword from row powder formula |
Country Status (1)
| Country | Link |
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| CN (1) | CN205977218U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194190A (en) * | 2016-08-30 | 2016-12-07 | 河南铁福来装备制造股份有限公司 | A kind of the high-low pressure current of unidirectional filtration can automatically change water cutter from row's powder formula |
| CN114631420A (en) * | 2021-12-20 | 2022-06-17 | 江苏大学 | Slider reversing jet tee joint and pulse micro-irrigation system |
-
2016
- 2016-08-30 CN CN201620982025.0U patent/CN205977218U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194190A (en) * | 2016-08-30 | 2016-12-07 | 河南铁福来装备制造股份有限公司 | A kind of the high-low pressure current of unidirectional filtration can automatically change water cutter from row's powder formula |
| CN106194190B (en) * | 2016-08-30 | 2018-10-30 | 河南铁福来装备制造股份有限公司 | A kind of high-low pressure flow automatic conversion water knife that can be unidirectionally filtered from row's powder formula |
| CN114631420A (en) * | 2021-12-20 | 2022-06-17 | 江苏大学 | Slider reversing jet tee joint and pulse micro-irrigation system |
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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 |
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. |
|
| CP01 | Change in the name or title of a patent holder |