CN209724243U - A kind of mining non-return water high pressure sealing drilling rod - Google Patents
A kind of mining non-return water high pressure sealing drilling rod Download PDFInfo
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- CN209724243U CN209724243U CN201920194366.5U CN201920194366U CN209724243U CN 209724243 U CN209724243 U CN 209724243U CN 201920194366 U CN201920194366 U CN 201920194366U CN 209724243 U CN209724243 U CN 209724243U
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- drilling rod
- high pressure
- valve seat
- male connector
- return water
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Abstract
The utility model discloses a kind of mining non-return water high pressure sealing drilling rods, male connector and female including drilling rod ontology and positioned at drilling rod ontology both ends, compatible male connection and internal thread hole are respectively equipped in the end of male connector and female, inner wall is equipped with the inside tapered thread to match with male connector, drilling rod ontology both ends are the ladder diameter of axle and center is equipped with cavity passage, drilling rod body end close to male connector side is equipped with valve seat, one end of valve seat is equipped with aperture retaining ring, the other end of valve seat is equipped with filter plate, sealing inner hole is equipped with inside valve seat, sealing inner hole is tapered slope, steel ball is placed at tapered slope；Drilling rod body end close to female side is equipped with seal, and seal is equipped with for positioning the protrusion of macropore retaining ring and for the O ring recess of sealing, O ring recess is built-in with big O-ring and small O-ring.A kind of the utility model mining non-return water high pressure sealing drilling rod described in the utility model, structure is simple, easy to use, plays the role of high pressure resistant and filters sealing with unidirectional.
Description
Technical field
The utility model relates to coal mining field device therefors, and in particular to a kind of mining non-return water high pressure sealing brill
Bar.
Background technique
Under normal conditions, coal mine carries out in leting speeper work progress in underground, needs the cooling drill bit of water flowing, goes out slack coal,
Especially when carrying out long hole construction, it is filled with cooling water in tens even several hundred meters of the drilling rods that front is thrown into, works as replacement
When drilling rod, a large amount of cooling waters are flowed out with drill pipe bore, and since hydraulic pressure and water are all larger, brill could be replaced by needing cooling water to flow to end
Bar operation, after the completion of replacement, it is also necessary to front drilling rod be filled into water again, after water flow is returned out from boring bar head, just can be carried out
It drills operation.Such operating efficiency is low, waste water resource, and causes environmental pollution.And non-return drilling rod currently on the market,
Structure is complicated, at high cost, is unfavorable for promoting the use of a large area.
It is being made in the technical process of cave using punching, is needing to lead to high pressure water (pressure reaches as high as 31.5MPa) to the inside of drilling rod,
The sealing position of high pressure drilling rod is placed in outside drilling rod at present, during underground transportation, easily leads to seal failure because colliding with
Or it can not connect.
In consideration of it, the utility model provides a kind of mining non-return water high pressure sealing drilling rod.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the purpose of this utility model is to provide a kind of mining non-return water high pressure sealings to bore
Bar.
(2) technical solution
The utility model is achieved by the following technical programs:
A kind of mining non-return water high pressure sealing drilling rod, male connector and mother including drilling rod ontology and positioned at drilling rod ontology both ends
Head is respectively equipped with compatible male connection and internal thread hole in the end of the male connector and the female, inner wall be equipped with
The inside tapered thread that the male connector matches, drilling rod ontology both ends are the ladder diameter of axle and center is equipped with cavity passage, close to institute
The drilling rod body end for stating male connector side is equipped with valve seat, and one end of the valve seat is equipped with aperture retaining ring, the other end of the valve seat
Sealing inner hole is equipped with equipped with filter plate, inside the valve seat, the sealing inner hole is tapered slope, is placed at the tapered slope
Steel ball；Drilling rod body end close to the female side is equipped with seal, and the seal is equipped with for positioning macropore gear
The protrusion of circle and O ring recess for sealing, the O ring recess are built-in with big O-ring and small O-ring；
Preferably, the male connector is round-like structure.
Preferably, the tapered slope is variable diameter tapered slope, close to being relatively large in diameter for filter plate, close to aperture retaining ring
Diameter is smaller.
Preferably, the filter surface is uniformly distributed several apopores, and the diameter of the apopore is less than the valve seat
Diameter of bore.
Preferably, the male connector, the drilling rod ontology, the female are linked into an integrated entity using welding form.
Preferably, the filter plate, the steel ball, the valve seat, the aperture retaining ring and male connector are completed rear and institute
State drilling rod ontology, female welding.
Preferably, the steel ball is GCr15 stainless steel material.
(3) beneficial effect
The utility model has the beneficial effects that:
1, a kind of mining non-return water high pressure sealing drilling rod described in the utility model, has high pressure resistant band and unidirectionally filters function
Can, sealed pressure reaches 31.5MPa.Small O-ring and big O-ring constitute doulble O ring seal structure, ensure that high pressure resistant；
2, steel ball is arranged in drilling rod body interior in a kind of mining non-return water high pressure sealing drilling rod described in the utility model,
It prevents cooling water from flowing back, plays the role of sealing.Structure is simple, no spring, reduce since drilling rod body interior is got rusty or
Spring failure problem caused by coal dust；Steel ball uses GCr15 stainless steel, and non-corrosive adapts to downhole corrosion environment.
3, a kind of mining non-return water high pressure sealing drilling rod described in the utility model, small O-ring and big O-ring, double O-rings
It is placed in inside drilling rod, is not easy to collide with, prevented to lead to seal failure or can not connectivity problem due to colliding with.
Detailed description of the invention
It, below will be to institute in embodiment or description of the prior art in order to illustrate more clearly of the technical solution of the utility model
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some of the utility model
Embodiment for those of ordinary skill in the art without creative efforts, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is the structural schematic diagram main view of the utility model；
Fig. 2 is the schematic cross-sectional view of the utility model；
In figure: 1- male connector, 2- filter plate, 3- steel ball, 4- valve seat, 5- aperture retaining ring, 6- drilling rod ontology, the big O-ring of 7-, 8-
Macropore retaining ring, 9- seal, the small O-ring of 10-, 11- female, 101- male connection, 102- tapered slope, 103- internal screw thread
Hole.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described implementation
Example is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, this field
Those of ordinary skill's every other embodiment obtained without creative efforts, belongs to the utility model
The range of protection.
As shown in Figs. 1-2, a kind of mining non-return water high pressure sealing drilling rod, including drilling rod ontology 6 and be located at 6 liang of drilling rod ontology
The male connector 1 and female 11 at end, the male connector 1, the drilling rod ontology 6 are together with 11 coaxial welding of female, in the public affairs
First 1 and the end of the female 11 be respectively equipped with compatible male connection 101 and internal thread hole 103, the drilling rod ontology 6
The ladder diameter of axle is processed at both ends, and 6 center of drilling rod ontology is equipped with cavity passage, close to 6 end of drilling rod ontology of 1 side of male connector
Portion is equipped with valve seat 4, the valve seat 4 and the coaxial setting of the drilling rod ontology 6, sets in one end of the close drilling rod ontology 6 of valve seat 4
There is aperture retaining ring 5, the other end of the valve seat 4 is equipped with filter plate 2, and 2 surface of filter plate is uniformly distributed several apopores, institute
The diameter for stating apopore is less than the diameter of bore of the valve seat 4, prevents the inner hole of bulk slack coal blocking valve seat 4, influences steel ball 3
It seals, sealing inner hole is equipped with inside the valve seat 4, the sealing inner hole is tapered slope, facilitates the discharge of coming down in torrents of slack coal, has
Effect prevents slack coal accumulation from influencing the sealing of steel ball 3, and steel ball 3, the filter plate 2, the valve seat 4, institute are placed at tapered slope
State aperture retaining ring 5 after being completed with male connector 1 with 6 coaxial welding of drilling rod ontology；Brill close to 11 side of female
6 end of bar body is equipped with seal 9, and the seal 9 is equipped with for positioning the protrusion of macropore retaining ring 8 and for the O of sealing
Ring recess, the O ring recess are built-in with big O-ring 7 and small O-ring 10.
Preferably, the male connector 1 is round-like structure.
Preferably, the tapered slope is variable diameter tapered slope.
Preferably, the outer diameter of seal 9 and the internal diameter of male connector 1 match,
Preferably, the steel ball 3 is GCr15 stainless steel material.
The course of work of the utility model: in use, when water flow flows to male connector via drilling rod ontology 6 from female 11
When 1, water jet propulsion steel ball 3 flows to filter plate 2, and is stopped by filter plate 2, and water flow flows to male connector by the apopore of filter plate 2
1；When replacing drilling rod, water flow flows to female 11 from male connector 1, at this time steel ball 3 under the action of gravity and water flow with tapered slope
102 fit closely, and prevent water from flowing to female 11 from male connector 1, to play the role of one-way non-return water.2 surface of filter plate is uniform
Several apopores are distributed, the diameter of apopore is less than the diameter of bore of valve seat 4, prevents the inner hole of bulk slack coal blocking valve seat 4, rises
To the effect of filtering.Steel ball 3 uses GCr15 stainless steel material, and anticorrosion, service life is longer, and adapts to underground more
The environment of corrosion.The end of male connector 1 and female 11 is respectively equipped with compatible male connection 101 and internal thread hole 103, can be with
Two or more drilling rod ontologies 6 are connected and are used, it is easy to use, it can promote the use of.
It is only to illustrate the technical solution of the utility model from above embodiments, rather than its limitations；Although referring to aforementioned
The utility model is described in detail in embodiment, those skilled in the art should understand that: it still can be right
Technical solution documented by foregoing embodiments is modified or equivalent replacement of some of the technical features；And this
It modifies or replaces, the spirit and model of technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (6)
1. a kind of mining non-return water high pressure sealing drilling rod, including drilling rod ontology (6) and positioned at the male connector at drilling rod ontology (6) both ends
(1) and female (11), compatible male connection is respectively equipped in the end of the male connector (1) and the female (11)
(101) and internal thread hole (103), inner wall are equipped with the inside tapered thread to match with the male connector (1), which is characterized in that the brill
Bar body (6) both ends are the ladder diameter of axle and are equipped with cavity passage, and drilling rod ontology (6) end close to the male connector (1) side is set
Having valve seat (4), one end of the valve seat (4) is equipped with aperture retaining ring (5), and the other end of the valve seat (4) is equipped with filter plate (2),
Sealing inner hole is equipped with inside the valve seat (4), the sealing inner hole is tapered slope (102), is put at the tapered slope (102)
Set steel ball (3)；Drilling rod ontology (6) end close to the female (11) side is equipped with seal (9), on the seal (9)
Equipped with for positioning the protrusion of macropore retaining ring (8) and for the O ring recess of sealing, the O ring recess is built-in with big O-ring (7) and small O
Shape circle (10).
2. a kind of mining non-return water high pressure sealing drilling rod according to claim 1, which is characterized in that the tapered slope
It (102) is variable diameter tapered slope.
3. a kind of mining non-return water high pressure sealing drilling rod according to claim 1, which is characterized in that the filter plate (2)
Surface is uniformly distributed several apopores, and the diameter of the apopore is less than the diameter of bore of the valve seat (4).
4. a kind of mining non-return water high pressure sealing drilling rod according to claim 1, which is characterized in that the male connector (1), institute
State drilling rod ontology (6), the female (11) is linked into an integrated entity using welding form.
5. a kind of mining non-return water high pressure sealing drilling rod according to claim 1, which is characterized in that the filter plate (2),
The steel ball (3), the valve seat (4), the aperture retaining ring (5) and male connector (1) be completed after with the drilling rod ontology (6),
Female (11) welding.
6. a kind of mining non-return water high pressure sealing drilling rod according to claim 1, which is characterized in that the steel ball (3) is
GCr15 stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920194366.5U CN209724243U (en) | 2019-02-13 | 2019-02-13 | A kind of mining non-return water high pressure sealing drilling rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920194366.5U CN209724243U (en) | 2019-02-13 | 2019-02-13 | A kind of mining non-return water high pressure sealing drilling rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209724243U true CN209724243U (en) | 2019-12-03 |
Family
ID=68682826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920194366.5U Active CN209724243U (en) | 2019-02-13 | 2019-02-13 | A kind of mining non-return water high pressure sealing drilling rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209724243U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111485832A (en) * | 2020-04-27 | 2020-08-04 | 中煤科工集团重庆研究院有限公司 | Hexagonal inserted type outer groove high-pressure dense drill rod |
-
2019
- 2019-02-13 CN CN201920194366.5U patent/CN209724243U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111485832A (en) * | 2020-04-27 | 2020-08-04 | 中煤科工集团重庆研究院有限公司 | Hexagonal inserted type outer groove high-pressure dense drill rod |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220727 Address after: 050800 No. 29, Chongyin Road, South District, high tech Industrial Development Zone, Zhengding District, China (Hebei) pilot Free Trade Zone, Shijiazhuang City, Hebei Province Patentee after: Shijiazhuang jinbide Equipment Manufacturing Co.,Ltd. Address before: 050000 No. 102, Shuguang Road, Zhengding County, Shijiazhuang City, Hebei Province Patentee before: SHIJIAZHUANG JINBIDE MACHINERY MANUFACTURING PLANT (GENERAL PARTNERSHIP) |
|
| TR01 | Transfer of patent right |