CN208267772U - A kind of mining non-return drilling rod - Google Patents
A kind of mining non-return drilling rod Download PDFInfo
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- CN208267772U CN208267772U CN201820534927.7U CN201820534927U CN208267772U CN 208267772 U CN208267772 U CN 208267772U CN 201820534927 U CN201820534927 U CN 201820534927U CN 208267772 U CN208267772 U CN 208267772U
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- return
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Abstract
The utility model provides a kind of mining non-return drilling rod, including being equipped with the drilling rod ontology of cavity and being respectively arranged at the pin end and female connector of drilling rod ontology upper and lower ends, lower flow channel chamber and upper runner chamber are equipped with close to one end of female connector in drilling rod ontology, the bottom of upper runner chamber is equipped with horizontal joint face, the top of upper runner chamber is equipped with the limit body with multiple tap holes, non-return cushion chamber is equipped in limit body is embedding, top in non-return cushion chamber is fixed with compressed spring, the lower end of compressed spring is connected with mandrel, the bottom of non-return cushion chamber is connected with sealing plate, sealing plate is connected to the top of joint face, sealing plate is equipped with axis hole, mandrel passes through sealing plate through axis hole, the lower end of mandrel is connected with ball sealer, ball sealer is connected to the bottom of lower flow channel chamber.The sealing plate and ball sealer of the utility model can respectively be sealed upper runner chamber and lower flow channel chamber, can guarantee that the water in drilling rod does not flow back by secondary seal, and ball sealer resets accurately, and non-return effect is good.
Description
Technical field
The utility model belongs to drilling tool technical field, and in particular to a kind of mining non-return drilling rod.
Background technique
Device of the drilling rod as pore-forming is widely used in fields such as geological drillings, and mining for geological drilling is stopped
Returning drilling rod is a kind of important mining equiment, in the existing mining non-return drilling rod for geological drilling, in coal seam or rock stratum
During drilling discharges water, the non-return drilling rod that uses is mostly built-in steel-ball type, this drilling rod when drilling elevation angle deep hole, steel ball vulnerable to
To water flow action of turbulent flow and erratically vibrated in drilling rod, the efficiency and stability of water filling are reduced, when needing non-return water
When stream, the steel ball erratically vibrated possibly can not accurately be reset to original seal point, and poorly sealed, check function is caused to lose
Effect.In addition, existing mining non-return drilling rod, only with level-one non-return structure, the check function of the contingency level-one non-return structure is lost
Effect, then entire drilling rod can not work normally, and job stability is to be improved.
Utility model content
That the purpose of the utility model is to provide a kind of non-return effects is good, ball sealer reset it is accurate, the operation is stable it is mining only
Return drilling rod.
The utility model provides the following technical solution:
A kind of mining non-return drilling rod, including being equipped with the drilling rod ontology of cavity and being respectively arranged at up and down the two of drilling rod ontology
The pin end and female connector at end, drilling rod ontology is interior to be successively arranged lower flow channel chamber and upper runner close to one end of female connector from the bottom to top
Chamber, female connector, lower flow channel chamber and upper runner chamber interconnect, and the bottom of upper runner chamber is equipped with horizontal joint face, upper runner
The top of chamber is equipped with the limit body with multiple tap holes, and the upper and lower ends of tap hole are connected to cavity and upper runner chamber respectively, limits
The flexible non-return cushion chamber of cavity is equipped in position body is embedding, the top in non-return cushion chamber is fixed with compressed spring, compresses bullet
The lower end of spring is connected with mandrel, and the bottom of non-return cushion chamber is connected with sealing plate, and under free state, sealing plate is by the upper of joint face
Side is connected on joint face, and sealing plate is equipped with the axis hole with the diameter matches of mandrel, and mandrel passes through sealing plate, mandrel through axis hole
Lower end be connected with ball sealer, ball sealer is connected to the bottom of lower flow channel chamber.
Preferably, the bottom of lower flow channel chamber is equipped with the matched hemispherical seal chamber of shape with ball sealer, hemispherical sealing
The bottom of chamber is connected with female connector.
Preferably, lower flow channel chamber is the spherical shape with upper and lower opening.
Preferably, the top and bottom of limit body are the truncated cone-shaped of indent.
Preferably, limit body and this body by integral forming of drilling rod.
Preferably, non-return cushion chamber, mandrel, sealing plate and ball sealer are all set in the central axes of drilling rod ontology internal cavity
On, multiple tap holes are symmetrically distributed on limit body.
The beneficial effects of the utility model are:
1, ball sealer is connect by the mandrel of rigidity with non-return cushion chamber, and the water currents of turbulent flow are not easily susceptible in the course of work
And vibrate, to will not influence the flow velocity of cooling water；It can the parking position accuracy hemispherical sealing intracavitary to lower flow channel under free state
In chamber, non-return effect is good.
2, sealing plate setting up and down and ball sealer can respectively be sealed upper runner chamber and lower flow channel chamber, by successive
Sealing strengthens sealing effect twice, it is ensured that the water in drilling rod does not flow back, and enhances non-return effect.
3, the non-return cushion chamber sealed, not by the corrosion of liquid liquid, extend makes the compressed spring that it can be protected internal
Use the service life.
4, hemispherical seal chamber and ball sealer are that face contact to expand sealing area enhances sealing effect.Hemisphere
Shape seal chamber also has the function of guiding, and ball sealer smoothly slides into hemispherical seal chamber under the guiding role of hemispherical seal chamber
It is interior, offset will not be controlled and reduce sealing and non-return effect.
5, the truncated cone-shaped structure at the spherical structure of lower flow channel chamber and limit body both ends, can accelerate cooling water in drilling rod ontology
Flowing, improve cooling effect indirectly.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Structural schematic diagram when Fig. 1 is the free state of the utility model；
Structural schematic diagram when Fig. 2 is the working condition of the utility model.
In the figure, it is marked as 1. drilling rod ontologies；11. cavity；2. pin end；3. female connector；4. lower flow channel chamber；41. hemispherical
Seal chamber；5. upper runner chamber；51. joint face；6. limit body；61. tap hole；7. non-return cushion chamber；71. compressed spring；72. core
Axis；73. sealing plate；74. ball sealer.
Specific embodiment
As depicted in figs. 1 and 2, a kind of mining non-return drilling rod, including being equipped with the drilling rod ontology 1 of cavity 11 and being respectively set
It is equipped in the pin end 2 and female connector 3 of the upper and lower ends of drilling rod ontology 1, in drilling rod ontology 1 close to one end of female connector 3 and mother
The lower flow channel chamber 4 that connector 3 is connected to, the top of lower flow channel chamber 4 are equipped with the upper runner chamber 5 being connected to lower flow channel chamber 4, upper runner chamber 5
Bottom be equipped with horizontal joint face 51, the top of upper runner chamber 5 is equipped with the limit body 6 with multiple tap holes 61, tap hole 61
Upper and lower ends be connected to respectively with cavity 11 and upper runner chamber 5, buffered equipped with the non-return that cavity can stretch up and down in limit body 6 is embedding
Chamber 7, non-return cushion chamber 7 are fixed in limit body 6, and the top in non-return cushion chamber 7 is fixed with compressed spring 71, compressed spring 71
Lower end be connected with mandrel 72, the bottom of non-return cushion chamber 7 is connected with sealing plate 73, and under free state, sealing plate 73 is by connecting
The top in face 51 is connected on joint face 51, and sealing plate 73 is equipped with the axis hole with the diameter matches of mandrel 72,72 warp beam of mandrel
Hole passes through sealing plate 73, and the lower end of mandrel 72 is connected with ball sealer 74, and ball sealer 74 is connected to the bottom of lower flow channel chamber 4.
Preferably, the bottom of lower flow channel chamber 4 is equipped with the matched hemispherical seal chamber 41 of shape with ball sealer 74, hemispherical
The bottom of seal chamber 41 is connected with female connector 3.Hemispherical seal chamber 41 and ball sealer 74 are face contact, to expand sealing
Area enhances sealing effect.Hemispherical seal chamber 41 also has the function of being oriented to, and after dismounting drilling rod, ball sealer 74 is in hemisphere
It is smoothly slid into hemispherical seal chamber 41 under the guiding role of shape seal chamber 41, offset will not be controlled and reduce sealing and non-return effect
Fruit.
Preferably, lower flow channel chamber 4 is the spherical shape with upper and lower opening, and water flow is in spherical lower flow channel chamber 4 to upper runner
The inlet of chamber 5 is collected, and the inlet of upper runner chamber 5 causes the flow velocity at this to increase because of reduced width, is conducive to cold in drilling rod
But the quick circulation of water water flow.
Preferably, the top and bottom of limit body 6 are the truncated cone-shaped of indent, so that also there are certain guide functions,
It is rapidly entered in shunting body convenient for water flow.
Preferably, limit body 6 and drilling rod ontology 1 are integrally formed, and increase the bonding strength of limit body 6 Yu drilling rod ontology 1,
It ensure that the stability of drilling rod work.
Preferably, non-return cushion chamber 7, mandrel 72, sealing plate 73 and ball sealer 74 are all set in 1 internal cavity of drilling rod ontology
On central axes, multiple tap holes 61 are symmetrically distributed on limit body 6, make each sealing, retaining element in cavity
It is more uniformly stressed, stablizes, mandrel is not easy deflection shaking.
When dismounting drilling rod, since the pressure of non-return cushion chamber and compressed spring acts on, sealing plate setting up and down and sealing
Ball can respectively be sealed upper runner chamber and lower flow channel chamber, by successively sealing strengthens sealing effect twice, it is ensured that bore
Water in bar does not flow back, and enhances non-return effect；The non-return cushion chamber of sealing, the compressed spring that it can be protected internal is not by liquid
The corrosion of liquid, extends service life.In bore operation, deslagging cooling water is after the cavity of female connector, impact sealing
Impact force is passed to mandrel and compressed spring by ball, ball sealer, and band moving mandrel and ball sealer move up after compressed spring is pressurized,
Water flow enters lower flow channel chamber；Further, water flow upwards pressure to sealing plate application, and it is slow that sealing plate moves up extruding non-return
After rushing the cavity of chamber, joint face is no longer abutted, so that water flow is by entering upper runner in the gap between sealing plate and joint face
Chamber；Further, water flow, into previous drilling rod, is carried out out of cavity that flow into drilling rod ontology in the tap hole in limit body
Punching, cooling operations.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, although ginseng
The utility model is described in detail according to previous embodiment, it for those skilled in the art, still can be with
It modifies the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.It is all
Within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in practical
Within novel protection scope.
Claims (6)
1. a kind of mining non-return drilling rod, which is characterized in that including being equipped with the drilling rod ontology of cavity and being respectively arranged at the brill
The pin end and female connector of the upper and lower ends of bar body, in the drilling rod ontology close to one end of the female connector from the bottom to top according to
Secondary to be equipped with lower flow channel chamber and upper runner chamber, the female connector, the lower flow channel chamber and the upper runner chamber interconnect, described
The bottom of upper runner chamber is equipped with horizontal joint face, and the top of the upper runner chamber is equipped with the limit body with multiple tap holes, institute
The upper and lower ends for stating tap hole are connected to the cavity and the upper runner chamber respectively, the limit body it is embedding in have equipped with cavity
The non-return cushion chamber of elasticity, the top in the non-return cushion chamber are fixed with compressed spring, the lower end connection of the compressed spring
There is mandrel, the bottom of the non-return cushion chamber is connected with sealing plate, and the sealing plate abuts residence by the top of the joint face
Joint face is stated, the sealing plate is equipped with the axis hole with the diameter matches of the mandrel, and the mandrel passes through institute through the axis hole
Sealing plate is stated, the lower end of the mandrel is connected with ball sealer, and the ball sealer is connected to the bottom of the lower flow channel chamber.
2. mining non-return drilling rod according to claim 1, which is characterized in that the bottom of the lower flow channel chamber be equipped with it is described
The matched hemispherical seal chamber of the shape of ball sealer, the bottom of the hemispherical seal chamber are connected with the female connector.
3. mining non-return drilling rod according to claim 2, which is characterized in that the lower flow channel chamber is with upper and lower opening
Spherical.
4. mining non-return drilling rod according to claim 2, which is characterized in that the top and bottom of the limit body are interior
Recessed truncated cone-shaped.
5. mining non-return drilling rod according to claim 2, which is characterized in that the limit body and drilling rod ontology one
Molding.
6. mining non-return drilling rod according to claim 1, which is characterized in that the non-return cushion chamber, the mandrel, described
Sealing plate and the ball sealer are all set on the central axes of the cavity, and multiple tap holes are symmetrically distributed in institute
It states on limit body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820534927.7U CN208267772U (en) | 2018-04-13 | 2018-04-13 | A kind of mining non-return drilling rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820534927.7U CN208267772U (en) | 2018-04-13 | 2018-04-13 | A kind of mining non-return drilling rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208267772U true CN208267772U (en) | 2018-12-21 |
Family
ID=64676310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820534927.7U Active CN208267772U (en) | 2018-04-13 | 2018-04-13 | A kind of mining non-return drilling rod |
Country Status (1)
| Country | Link |
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| CN (1) | CN208267772U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110002112A (en) * | 2019-05-17 | 2019-07-12 | 郑州大学第一附属医院 | A kind of car carried medical specimen storage case |
| CN112377113A (en) * | 2020-11-29 | 2021-02-19 | 重庆梅安森科技股份有限公司 | Internal cooling drill rod |
-
2018
- 2018-04-13 CN CN201820534927.7U patent/CN208267772U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110002112A (en) * | 2019-05-17 | 2019-07-12 | 郑州大学第一附属医院 | A kind of car carried medical specimen storage case |
| CN112377113A (en) * | 2020-11-29 | 2021-02-19 | 重庆梅安森科技股份有限公司 | Internal cooling drill rod |
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