CN212642608U - Steel cable for expanding drill bit - Google Patents
Steel cable for expanding drill bit Download PDFInfo
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- CN212642608U CN212642608U CN202021541307.XU CN202021541307U CN212642608U CN 212642608 U CN212642608 U CN 212642608U CN 202021541307 U CN202021541307 U CN 202021541307U CN 212642608 U CN212642608 U CN 212642608U
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- steel cable
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- reamer bit
- pressure
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Abstract
The utility model belongs to the technical field of coal mine drilling, specifically, relate to a steel cable for on reamer bit, including steel cable body and quick-operation joint, the steel cable body includes tube core and stranded wire rope of transposition outside the tube core, and the surface of steel cable body is equipped with the diamond compact piece, the tube core is high-pressure hose, quick-operation joint locate the one end of steel cable body and with the connector tube socket threaded connection on the excircle face of reamer bit body, high-pressure hose is linked together through connector tube socket and this internal water under high pressure of reamer bit corresponding to the one end of quick-operation joint, the one end that quick-operation joint was kept away from to high-pressure hose is equipped with end cap or high pressure nozzle. The device has simple structure, high degree of freedom and good wear resistance; the problem of coal particle jamming is avoided, flexible drilling feeding or withdrawing of the reaming bit can be guaranteed, and the maintenance is convenient; the reaming efficiency is improved, and the reliability of the reaming device is ensured.
Description
Technical Field
The utility model belongs to the technical field of colliery drilling, specifically, relate to a steel cable for on reamer bit.
Background
Before coal mine collection, a hole needs to be drilled for gas extraction, a hole needs to be drilled from a rock layer to a coal seam during drilling, and in order to save drilling cost and increase gas extraction efficiency, the hole needs to be reamed under the condition that the hole diameter of a rock layer drilling section is not changed, so that the surface area of an inner hole of the coal seam is enlarged, and the gas overflow efficiency is improved.
The existing hole expanding drill bit is generally used for expanding holes through a hole expanding arm, stress impact on a connecting portion of the hole expanding arm and a drill rod in the hole expanding process is large, fatigue damage is easy to occur, and when the hole expanding arm contracts, the hole expanding arm and the drill rod clamp large coal particles easily, so that contraction is not in place, the drill withdrawal is influenced, the reliability of the device is poor, and the working efficiency is low.
Therefore, a need exists for a cable for use in a reamer head to replace a reamer arm, thereby ensuring efficient reaming of the reamer head while facilitating drill withdrawal, and improving the reliability and operating efficiency of the device.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a steel cable for on reamer bit, including steel cable body and quick-operation joint, the steel cable body includes the tube core and the stranded wire rope of transposition outside the tube core, and the surface of steel cable body is equipped with the diamond compact piece, the tube core is high pressure hose, quick-operation joint locate the one end of steel cable body and with reamer bit body excircle facial features on joint tube socket threaded connection, high pressure hose is linked together through joint tube socket and this internal water under high pressure of reamer bit corresponding to the one end of quick-operation joint, the one end that quick-operation joint was kept away from to high pressure hose is equipped with end cap or high pressure nozzle.
Preferably, the high-pressure hose is a high-pressure metal hose. Good wear resistance and flexibility, and is beneficial to prolonging the service life of the device.
Preferably, the surface of the steel wire rope is provided with a high-strength wear-resistant layer, the high-strength wear-resistant layer is made of 27SiMn materials, the strength and the wear resistance of the steel wire rope can be improved, and the service life of the device is prolonged.
Preferably, the high-pressure nozzle is in threaded connection with the high-pressure hose, the high-pressure nozzle is embedded in one end, away from the quick connector, of the steel cable body, and the outer end face of the high-pressure nozzle is provided with a dismounting groove, so that the high-pressure nozzle is convenient to dismount, maintain or replace.
Preferably, the shape of the assembling and disassembling groove is cross-shaped or straight-line-shaped, and the assembling and disassembling can be easily carried out without arranging a complex assembling and disassembling tool, so that the maintainability of the device is improved.
The utility model discloses still including enabling this other subassemblies that are used for the steel cable normal use on the reamer bit, be the conventional technical means in this field, in addition, the utility model discloses in add the device or the subassembly that limit all adopt the conventional technical means in this field.
This a steel cable for on reamer bit, accessible quick-connect joint connects to on the connector tube socket on the outer disc of reamer bit body during the use, makes the steel cable dismantle and maintains the convenience, and the surface of steel cable body is equipped with diamond compact piece, can improve the wearability of steel cable body to guarantee reaming efficiency. The one end that the steel cable body kept away from the quick-connect joint is regarded as the free end when being equipped with high pressure nozzle, and when the rotatory operation of reamer bit, at the effect of water under high pressure, the steel cable body expands fast and stretches, and the water under high pressure outwards sprays from high pressure nozzle, realizes the water conservancy cutting to the coal seam, has realized mechanical reaming and the reaming organic combination of water conservancy, can improve reaming efficiency by a wide margin to guarantee the reliability of device. When the end of the high-pressure hose far away from the quick connector is provided with the plug, the high-pressure hose can be freely swung, and the steel cable body can be annularly or spirally wound on the reaming bit body and the plug end is fixed on the bit body. Replace the reaming arm through this device and carry out the reaming, flexible reaming has been realized, the mechanical stress that the steel cable body received when having dispersed the reaming through the stranded wire rope on the steel cable body, the reliability of device has been improved, through injecting into the water under high pressure into the water pipe, can accelerate the extension of steel cable body and improve the rigidity of steel cable body, be favorable to improving reaming efficiency, and guarantee the effective aperture of reaming, the reaming is accomplished the back, carry out the release to the water under high pressure pipe, can guarantee that the reamer bit easily moves back the brill, the easy coal cinder problem that appears when having eliminated among the prior art when reaming arm moves back the brill.
The utility model has the advantages of simple structure, high degree of freedom and good wear resistance; the problem of coal particle jamming is avoided, flexible drilling feeding or withdrawing of the reaming bit can be guaranteed, and the maintenance is convenient; the reaming efficiency is improved, and the reliability of the reaming device is ensured.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a front view schematically showing the structure of fig. 1.
Fig. 3 is a right side schematic view of the structure of fig. 2.
Detailed Description
The present invention will be described more clearly with reference to the accompanying drawings and specific embodiments in the embodiments of the present invention, and the description herein is only for explaining the present invention, but not for limiting the present invention. Based on the embodiments of the present invention, any modifications, equivalent replacements, improvements, etc. made by other embodiments obtained by those skilled in the art without creative efforts should be included in the protection scope of the present invention.
Example 1
As shown in fig. 1-3, the utility model provides a steel cable for on reamer bit, including steel cable body 1 and quick-connect joint 2, steel cable body 1 includes tube core 1-1 and transposition stranded wire rope 1-2 outside tube core 1-1, and steel cable body 1's surface is equipped with diamond compact piece 3, tube core 1-1 is the high pressure hose, quick-connect joint 2 locate steel cable body 1 one end and with the reamer bit body on the disc outside the tube socket threaded connection, the high pressure hose is linked together through joint tube socket and reamer bit body internal high pressure water with the one end that corresponds quick-connect joint 2, the one end that high pressure hose kept away from quick-connect joint 2 is equipped with high pressure nozzle 4. The high-pressure hose is a high-pressure metal hose, so that the wear resistance and the flexibility are good, and the service life of the device is prolonged. The surface of the steel wire rope 1-2 is provided with a high-strength wear-resistant layer, the high-strength wear-resistant layer is made of 27SiMn materials, the strength and the wear resistance of the steel wire rope 1-2 can be improved, and the service life of the device is prolonged. High pressure nozzle 4 and high-pressure hose threaded connection, and high pressure nozzle 4 is embedded in the one end that quick-operation joint 2 was kept away from to steel cable body 1, be equipped with dismouting groove 5 on the outer terminal surface of high pressure nozzle 4, conveniently dismantle, maintain or change high pressure nozzle 4. The shape of the dismounting groove 5 is in a straight line shape, and the dismounting can be easily carried out without arranging complex dismounting tools, so that the maintainability of the device is improved.
This a steel cable for on reamer bit, accessible quick-connect joint 2 is connected to on the connector tube seat on the outer disc of reamer bit body during the use, makes the steel cable dismantle and maintains the convenience, and the surface of steel cable body 1 is equipped with diamond compact piece 3, can improve the wearability of steel cable body 1 to guarantee reaming efficiency. One end of the steel cable body 1 far away from the quick connector 2 is provided with a high-pressure nozzle 4 and serves as a free end, when the reaming bit rotates to operate, the steel cable body 1 expands and stretches rapidly under the action of high-pressure water, and the high-pressure water is sprayed outwards from the high-pressure nozzle 4, hydraulic cutting is achieved for a coal seam, organic combination of mechanical reaming and hydraulic reaming is achieved, reaming efficiency can be improved greatly, and reliability of the device is guaranteed. Replace the reaming arm through this device and carry out the reaming, flexible reaming has been realized, the mechanical stress that steel cable body 1 received when having dispersed the reaming through stranded wire rope 1-2 on the steel cable body 1, the reliability of the device is improved, through injecting the water under high pressure into the water under high pressure pipe, can accelerate the extension of steel cable body 1 and improve the rigidity of steel cable body 1, be favorable to improving reaming efficiency, and guarantee reaming effective aperture, after the reaming is accomplished, carry out the release to the water under high pressure pipe, can guarantee that the reaming bit easily moves back the brill, the coal grain jamming problem that easily appears when having eliminated among the prior art reaming arm and moving back the brill.
The foregoing description of the embodiments of the invention has been presented for purposes of illustration and not limitation, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the illustrated embodiments.
Claims (5)
1. A wireline for use on a reamer bit, the improvement comprising: including steel cable body and quick-connect joint, the steel cable body includes tube core and stranded wire rope outside the tube core, and the surface of steel cable body is equipped with the diamond compact piece, the tube core is high-pressure hose, quick-connect joint locate the one end of steel cable body and with the joint tube socket threaded connection on the outer disc of reamer bit body, high-pressure hose is linked together through joint tube socket and this internal high pressure water of reamer bit corresponding to the one end of quick-connect joint, the one end that high-pressure hose kept away from quick-connect joint is equipped with end cap or high pressure nozzle.
2. A wireline for use on a reamer bit as in claim 1, wherein: the high-pressure hose is a high-pressure metal hose.
3. A wireline for use on a reamer bit as in claim 1, wherein: the surface of the steel wire rope is provided with a high-strength wear-resistant layer, and the high-strength wear-resistant layer is made of 27SiMn materials.
4. A wire rope for use in a reamer bit according to any one of claims 1 to 3, wherein: the high-pressure spray head is connected with the high-pressure hose in a threaded mode, the high-pressure spray head is embedded in one end, far away from the quick-connection joint, of the steel cable body, and a dismounting groove is formed in the outer end face of the high-pressure spray head.
5. The wireline for use with a reamer bit of claim 4, wherein: the shape of the assembling groove is in a cross shape or a straight shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021541307.XU CN212642608U (en) | 2020-07-29 | 2020-07-29 | Steel cable for expanding drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021541307.XU CN212642608U (en) | 2020-07-29 | 2020-07-29 | Steel cable for expanding drill bit |
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| Publication Number | Publication Date |
|---|---|
| CN212642608U true CN212642608U (en) | 2021-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021541307.XU Active CN212642608U (en) | 2020-07-29 | 2020-07-29 | Steel cable for expanding drill bit |
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| Country | Link |
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| CN (1) | CN212642608U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111779456A (en) * | 2020-07-29 | 2020-10-16 | 河南理工大学 | Steel cable for expanding drill bit |
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2020
- 2020-07-29 CN CN202021541307.XU patent/CN212642608U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111779456A (en) * | 2020-07-29 | 2020-10-16 | 河南理工大学 | Steel cable for expanding drill bit |
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