CN207598192U - A kind of drilling machine water becomes head pressurization leakage-proof liquid device - Google Patents
A kind of drilling machine water becomes head pressurization leakage-proof liquid device Download PDFInfo
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- CN207598192U CN207598192U CN201721011233.7U CN201721011233U CN207598192U CN 207598192 U CN207598192 U CN 207598192U CN 201721011233 U CN201721011233 U CN 201721011233U CN 207598192 U CN207598192 U CN 207598192U
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- proof liquid
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Abstract
The utility model discloses a kind of drilling machine water to become head pressurization leakage-proof liquid device, the double-channel sealing structure is used as primary seal by metal dish-shaped ring, it is small with fastening load, seal the features such as leak rate is extremely low, using rubber o-ring as auxiliary seal, secondary seal is carried out for the drainage that may be leaked, so as to improve integral sealing reliability, the water leakage at connection gap can be greatly reduced after the installation of drilling machine tail pressurized leakage-proof liquid device, and then improve the hydraulic pressure in drilling, it provides safeguard for drilling construction quality and gas pumping effect, have a vast market prospect.
Description
Technical field
The utility model is related to drilling machine water to become head pressurization leakage-proof liquid device field, and more particularly to a kind of drilling machine water becomes head pressurization
Leakage-proof liquid device.
Background technology
During the drilling machine construction of underground, tail portion uses water to become head more and carries out water guide, and effect is to wear rock section in drilling to reduce sky
The content of dust in gas after drilling into media, carries out coal body using high pressure water to rush coal cleaning bottom of hole, should so as to reach reduction coal body
Power and the purpose for improving gas pumping amount.But water used at present becomes head in jointed rod there are certain connection gap,
It results in a large amount of water to spray from drilling rod tail portion, hydraulic pressure in hole is enabled greatly to decline, so that the effect for rushing coal release is beaten greatly
Discount has seriously affected gas pumping and the safety in production of mine.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of drilling machine water to become head pressurization leakage-proof liquid device, to solve
It is caused by the prior art rush coal release effect it is bad the problem of.
To achieve the above object, the utility model provides following technical solution：A kind of drilling machine water becomes head pressurization liquid-leakage preventing
Device, the drilling machine water become head pressurization leakage-proof liquid device and include becoming head main body, head living, nut, become head rotating part, drilling rod connection
Portion, sealing ring and sealing structure, the left and right sides for becoming head main body are connect respectively with nut and change head rotating part, the head living
The side for becoming head rotating part is arranged on, the work head can be rotated outside plus under the action of rotatory force, and the drilling rod connecting portion is set
It puts and screw thread is provided on the side of nut, the drilling rod connecting portion, the sealing ring is arranged on nut and drilling rod connecting portion
Junction, the sealing structure are set as double-channel sealing structure, and the double-channel sealing structure is in the outside of drilling rod connecting portion.
Preferably, the internal diameter of the seal ring is more than water change head ontology internal diameter.
Preferably, the double-channel sealing structure includes front step connector, backward step connector and cap nut, the front step
Connector and backward step connector are separately positioned on the both ends of drilling rod connecting portion, pass through between the front step connector and backward step connector
Cap nut connects, and the size of the front step connector and backward step connector matches, and the front step connector and backward step connect
The junction of head is provided with square groove.
Preferably, metal butterfly ring is provided in the square groove.
Preferably, it is provided with rubber o-ring on the upside of the junction between the front step connector and backward step connector.
It is using the advantageous effect of above technical scheme：It is anti-that the utility model structure provides a kind of drilling machine water change head pressurization
Liquid leakage device, double-channel sealing structure are used as primary seal by metal dish-shaped ring, with fastening load is small, sealing leak rate is extremely low etc.
Feature using rubber o-ring as auxiliary seal, carries out secondary seal, so as to improve for the drainage that may be leaked
Integral sealing reliability can greatly reduce the water leakage at connection gap after the installation of drilling machine tail pressurized leakage-proof liquid device, and then
The hydraulic pressure in drilling is improved, provides safeguard for drilling construction quality and gas pumping effect, has a vast market prospect.
Description of the drawings
Fig. 1 is the structure diagram that a kind of drilling machine water of the utility model becomes head pressurization leakage-proof liquid device.
Fig. 2 is the structure diagram of double-channel sealing structure.
Wherein, it is bis- to become head main body, 2- work head, 3- nuts, 4- change heads rotating part, 5- drilling rods connecting portion, 6- sealing rings, 7- by 1-
Seal structures, 8- screw threads, 9- front steps connector, 10- backward steps connector, 11- cap nuts, 12- square grooves, 13- metal butterflies
Shape ring, 14- rubber o-rings.
Specific embodiment
The preferred embodiment of the utility model is described in detail below in conjunction with the accompanying drawings.
Fig. 1 shows specific embodiment of the present utility model：A kind of drilling machine water becomes head pressurization leakage-proof liquid device, the drilling machine
Water becomes head pressurization leakage-proof liquid device and includes becoming head main body 1, head 2 living, nut 3, becomes head rotating part 4, drilling rod connecting portion 5, sealing ring 6
And sealing structure, the left and right sides for becoming head main body 1 are connect respectively with nut 3 and change head rotating part 4, the work head 2 is set
In the side for becoming head rotating part 4, the work head 2 can be rotated outside plus under the action of rotatory force, and the drilling rod connecting portion 5 is set
Screw thread 8 is provided on the side of nut 3, the drilling rod connecting portion 5, the sealing ring 6 is arranged on nut 3 and drilling rod connecting portion
5 junction, the sealing structure are set as double-channel sealing structure 7, and the double-channel sealing structure 7 is in the outer of drilling rod connecting portion 5
Side.
In addition, as shown in Fig. 2, 6 internal diameter of the sealing ring, which is more than water, becomes head ontology internal diameter, the double-channel sealing structure 7 wraps
Front step connector 9, backward step connector 10 and cap nut 11 are included, the front step connector 9 and backward step connector 10 are set respectively
It is connected between the both ends of drilling rod connecting portion 5, the front step connector 9 and backward step connector 10 by cap nut 11, it is described
The size of front step connector 9 and backward step connector 10 matches, and the junction of the front step connector 9 and backward step connector 10 is set
Be equipped with square groove 12, be provided with metal butterfly ring 13 in the square groove 12, the front step connector 9 and backward step connector 10 it
Between junction on the upside of be provided with rubber o-ring 14.
Based on above-mentioned, the utility model provides a kind of drilling machine water and becomes head pressurization leakage-proof liquid device, and double-channel sealing structure leads to
Metal dish-shaped ring is crossed as primary seal, has the characteristics that fastening load is small, sealing leak rate is extremely low, using rubber o-ring conduct
Auxiliary seal carries out secondary seal, so as to improve integral sealing reliability, drilling machine tail portion for the drainage that may be leaked
The water leakage at connection gap can be greatly reduced after pressurization leakage-proof liquid device installation, and then improve the hydraulic pressure in drilling, to bore
Hole construction quality and gas pumping effect provide safeguard, and have a vast market prospect.
Above-described is only the preferred embodiment of the utility model, it is noted that for the ordinary skill of this field
For personnel, under the premise of not departing from the utility model and creating design, various modifications and improvements can be made, these all belong to
In the scope of protection of the utility model.
Claims (5)
1. a kind of drilling machine water becomes head pressurization leakage-proof liquid device, which is characterized in that the drilling machine water becomes head pressurization leakage-proof liquid device packet
It includes and becomes head main body, head living, nut, becomes head rotating part, drilling rod connecting portion, sealing ring and sealing structure, the left side for becoming head main body
Right both sides are connect respectively with nut and change head rotating part, and the work head is arranged on the side for becoming head rotating part, and the work head is outside
Adding can rotate under the action of rotatory force, and the drilling rod connecting portion is arranged on the side of nut, is set on the drilling rod connecting portion
There is screw thread, the sealing ring is arranged on the junction of nut and drilling rod connecting portion, and the sealing structure is set as double sealing knot
Structure, the double-channel sealing structure is in the outside of drilling rod connecting portion.
2. a kind of drilling machine water according to claim 1 becomes head pressurization leakage-proof liquid device, which is characterized in that in the sealing ring
Diameter is more than water and becomes head ontology internal diameter.
3. a kind of drilling machine water according to claim 1 becomes head pressurization leakage-proof liquid device, which is characterized in that the double sealing
Structure includes front step connector, backward step connector and cap nut, and the front step connector and backward step connector are separately positioned on
The both ends of drilling rod connecting portion are connected between the front step connector and backward step connector by cap nut, and the front step connects
The size of head and backward step connector matches, and the junction of the front step connector and backward step connector is provided with square groove.
4. a kind of drilling machine water according to claim 3 becomes head pressurization leakage-proof liquid device, which is characterized in that in the square groove
It is provided with metal butterfly ring.
5. a kind of drilling machine water according to claim 3 becomes head pressurization leakage-proof liquid device, which is characterized in that the front step connects
Rubber o-ring is provided on the upside of junction between head and backward step connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721011233.7U CN207598192U (en) | 2017-08-14 | 2017-08-14 | A kind of drilling machine water becomes head pressurization leakage-proof liquid device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721011233.7U CN207598192U (en) | 2017-08-14 | 2017-08-14 | A kind of drilling machine water becomes head pressurization leakage-proof liquid device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207598192U true CN207598192U (en) | 2018-07-10 |
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ID=62753228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721011233.7U Active CN207598192U (en) | 2017-08-14 | 2017-08-14 | A kind of drilling machine water becomes head pressurization leakage-proof liquid device |
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|---|---|
| CN (1) | CN207598192U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374668A (en) * | 2019-08-29 | 2019-10-25 | 贵州大学 | A kind of used based on coal mining has leakage-preventing gas drainage equipment |
-
2017
- 2017-08-14 CN CN201721011233.7U patent/CN207598192U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374668A (en) * | 2019-08-29 | 2019-10-25 | 贵州大学 | A kind of used based on coal mining has leakage-preventing gas drainage equipment |
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