CN213039228U - Rock drilling tool with taper trapezoidal thread structure - Google Patents
Rock drilling tool with taper trapezoidal thread structure Download PDFInfo
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- CN213039228U CN213039228U CN202021739507.6U CN202021739507U CN213039228U CN 213039228 U CN213039228 U CN 213039228U CN 202021739507 U CN202021739507 U CN 202021739507U CN 213039228 U CN213039228 U CN 213039228U
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- thread
- drilling tool
- trapezoidal
- chucking
- taper
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- 238000005553 drilling Methods 0.000 title claims abstract description 32
- 239000011435 rock Substances 0.000 title claims abstract description 18
- 239000002184 metal Substances 0.000 claims abstract description 7
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 208000010392 Bone Fractures Diseases 0.000 description 3
- 206010017076 Fracture Diseases 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000005422 blasting Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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Abstract
The utility model discloses a rock drilling tool with trapezoidal helicitic texture of tapering, including the drilling tool, the one end fixedly connected with drilling rod of drilling tool, the surface of drilling rod is provided with the thread, the thread adopts the tapering screw thread. The utility model relates to a helicitic texture technical field. This rock drilling tool with tapering trapezoidal thread structure, setting through the chucking piece, can carry out the chucking with the connecting rod of drilling tool with being connected, increase the fracture resistance of connection through the chucking piece, the intensity at this position of effectual improvement, thereby prolong the life of drilling rod, simultaneously tapering screw thread breaks out more easily, through two U type stoppers of right side motion, can carry out the chucking with the chucking piece that is in hidden inslot portion, it is stable to have guaranteed it, and through the absorption between U type magnet piece and the metal sheet, increase the stability of chucking.
Description
Technical Field
The utility model relates to a helicitic texture technical field specifically is a rock drilling tool with trapezoidal helicitic texture of tapering.
Background
Engineering techniques for drilling specifically desired holes in rock. In mining engineering, the borehole is usually used for filling explosives and blasting, sometimes a large-diameter borehole is formed by means of rock drilling without blasting and is directly used as a roadway, and the borehole is also used for facilities such as geological exploration, material conveying, anchor rod installation, pipelines, cables and the like or as an oil well and a gas well in oil extraction engineering, so that rock drilling is widely applied to related rock breaking engineering such as geology, oil, hydropower, traffic and the like.
GB/T6482 and 2007 trapezoidal thread T38 for rock drilling are used for connecting a drill rod and a drill rod, and connecting the drill rod and a drill bit, and transferring impact load and torque, because a plurality of drill rods need to be connected in the construction process, however, bending is easily generated in the operation process, the existing rock drilling tool does not have the function of dismounting, so that waste of the drill rods is caused, and the stability is poor.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a rock drilling tool with tapering trapezoidal thread structure has solved the function that does not have the dismouting to as for cause the waste of drilling rod, the relatively poor problem of stability moreover.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a rock drilling tool with a taper trapezoidal thread structure comprises a drilling tool, wherein one end of the drilling tool is fixedly connected with a drill rod, the outer surface of the drill rod is provided with thread teeth, and the thread teeth adopt taper threads;
the drill rod is connected with a connecting rod through a thread of a thread, a movable groove is formed in the outer surface of the drill tool, and a rotating shaft is rotatably connected between the top and the bottom of the inner wall of the movable groove;
the outer surface of the rotating shaft is fixedly connected with a clamping block, and the top and the bottom of the clamping block are both provided with openings;
the outer surface of the connecting rod is provided with a hidden groove, the top and the bottom of the inner wall of the hidden groove are both connected with U-shaped limiting blocks in a sliding mode, one side of each of the two U-shaped limiting blocks is fixedly connected with a U-shaped magnet block, and one side of the inner wall of the hidden groove is fixedly connected with a metal plate;
by setting the thread pitch to be 15.63mm, the tooth shape to be trapezoid and the included angle of the trapezoid to be 110 degrees unchanged, the equal-diameter thread is changed into the taper thread with the taper of 1:20 and the small diameter d of the thread to be 38.2mm, under the condition of the same thread length, the sectional area of a volatile effective part is effectively increased, the strength of the part is effectively improved, the service life of a drill rod is prolonged, meanwhile, the taper thread is easier to break, the connection and the disassembly of the drill rod are quicker, and the construction efficiency is improved.
Preferably, the taper of the thread ridge is 1:20, and the thread minor diameter d of the thread ridge is 38.2 mm.
Preferably, the thread pitch of the thread ridge is 15.63mm, and the thread shape is trapezoidal and the included angle of the trapezoidal shape is 110 degrees.
Compared with the prior art, the beneficial effects of the utility model are that:
this rock drilling tool with tapering trapezoidal thread structure, setting through the chucking piece, can carry out the chucking with the connecting rod of drilling tool with being connected, increase the fracture resistance of connection through the chucking piece, the intensity at this position of effectual improvement, thereby prolong the life of drilling rod, simultaneously tapering screw thread breaks out more easily, through two U type stoppers of right side motion, can carry out the chucking with the chucking piece that is in hidden inslot portion, it is stable to have guaranteed it, and through the absorption between U type magnet piece and the metal sheet, increase the stability of chucking.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of a prior art structure;
fig. 3 is a schematic view of the combination of the drill tool and the connecting rod of the present invention.
In the figure: 1-a drilling tool, 2-a drill rod, 3-a thread, 4-a connecting rod, 5-a movable groove, 6-a rotating shaft, 7-a clamping block, 8-an opening, 9-a hidden groove, 10-a U-shaped limiting block, 11-a U-shaped magnet block and 12-a metal plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a rock drilling tool with a taper trapezoidal thread structure comprises a drilling tool 1, wherein one end of the drilling tool 1 is fixedly connected with a drill rod 2, the outer surface of the drill rod 2 is provided with a thread 3, and the thread 3 adopts taper threads;
the drill rod 2 is in threaded connection with a connecting rod 4 through a thread 3, a movable groove 5 is formed in the outer surface of the drill tool 1, a rotating shaft 6 is rotatably connected between the top and the bottom of the inner wall of the movable groove 5, and the connecting rod 4 is a second drill rod connected with the drill rod 2.
The outer surface of the rotating shaft 6 is fixedly connected with a clamping block 7, and the top and the bottom of the clamping block 7 are both provided with openings 8;
through the setting of chucking piece 7, can carry out the chucking with drilling tool 1 and the connecting rod 4 of being connected, strengthen the fracture resistance of connecting through chucking piece 7, the effectual intensity that improves this position to the life of extension drilling rod, the tapering screw thread is broken out more easily simultaneously.
A hidden groove 9 is formed in the outer surface of the connecting rod 4, U-shaped limiting blocks 10 are connected to the top and the bottom of the inner wall of the hidden groove 9 in a sliding mode, a U-shaped magnet block 11 is fixedly connected to one side of each of the two U-shaped limiting blocks 10, and a metal plate 12 is fixedly connected to one side of the inner wall of the hidden groove 9;
the clamping block 7 in the hidden groove 9 can be clamped by moving the two U-shaped limiting blocks 10 rightwards, so that the stability of the clamping block is ensured, and the clamping stability is improved by the adsorption between the U-shaped magnet block 11 and the metal plate 12;
the thread pitch is set to be 15.63mm, the tooth shape is trapezoidal, the included angle of the trapezoidal shape is unchanged by 110 degrees, the equal-diameter thread is changed into a taper thread, the taper is 1:20, and the small diameter d of the thread is 38.2 mm;
under the condition of the same thread length, the sectional area of the volatile part is effectively increased, the strength of the volatile part is effectively improved, the service life of the drill rod is prolonged, meanwhile, the taper thread is easier to break out, the connection and the disassembly of the drill rod are quicker, and the construction efficiency is improved;
the attached drawing in the specification is a trapezoidal thread in the prior art, the outer diameter d of the thread is 38.2mm, the thread pitch is 15.63mm, the tooth form is trapezoidal, the included angle of the trapezoid is 110 degrees, the thread is an equal-diameter thread, the strength of the thread volatile effective parts I and II is increased, early fracture is avoided, and the service life is prolonged.
The taper of the thread ridge 3 is 1:20, and the thread small diameter d of the thread ridge 3 is 38.2 mm.
The thread pitch of the thread ridge 3 is 15.63mm, and the thread shape is trapezoidal, and the included angle of the trapezoidal shape is 110 degrees.
When the thread is in work, the thread pitch is set to be 15.63mm, the tooth shape is trapezoidal, the included angle of the trapezoidal shape is 110 degrees, the constant-diameter threads are changed into taper threads, the taper is 1:20, the small diameter d of the threads is 38.2mm, and under the condition of the same thread length, the sectional area of a volatile effective part is effectively increased.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. A rock drilling tool with a taper trapezoidal thread structure comprises a drilling tool (1) and is characterized in that: one end of the drill tool (1) is fixedly connected with a drill rod (2), the outer surface of the drill rod (2) is provided with a thread (3), and the thread (3) adopts a taper thread;
the drill rod (2) is connected with a connecting rod (4) through threads (3) in a threaded manner, a movable groove (5) is formed in the outer surface of the drill tool (1), a rotating shaft (6) is rotatably connected between the top and the bottom of the inner wall of the movable groove (5), a clamping block (7) is fixedly connected to the outer surface of the rotating shaft (6), an opening (8) is formed in the top and the bottom of the clamping block (7), a hidden groove (9) is formed in the outer surface of the connecting rod (4), a U-shaped limiting block (10) is slidably connected to the top and the bottom of the inner wall of the hidden groove (9), two U-shaped limiting blocks (11) are fixedly connected to one side of each U-shaped limiting block (10), and a metal plate (12) is fixedly connected to one side of the inner wall of the hidden.
2. A rock drill tool with a tapered acme thread configuration as claimed in claim 1, wherein: the taper of the thread ridge (3) is 1:20, and the thread small diameter d of the thread ridge (3) is 38.2 mm.
3. A rock drill tool with a tapered acme thread configuration as claimed in claim 1, wherein: the thread pitch of the thread ridge (3) is 15.63mm, and the thread shape is trapezoidal, and the included angle of the trapezoidal shape is 110 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021739507.6U CN213039228U (en) | 2020-08-19 | 2020-08-19 | Rock drilling tool with taper trapezoidal thread structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021739507.6U CN213039228U (en) | 2020-08-19 | 2020-08-19 | Rock drilling tool with taper trapezoidal thread structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213039228U true CN213039228U (en) | 2021-04-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021739507.6U Active CN213039228U (en) | 2020-08-19 | 2020-08-19 | Rock drilling tool with taper trapezoidal thread structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213039228U (en) |
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2020
- 2020-08-19 CN CN202021739507.6U patent/CN213039228U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 198 Development Avenue, Xiaomeng Industrial Park, Xiaomeng Sub district Office, Guiyang Economic Development Zone, Guizhou Province, 550000 Patentee after: Guizhou Xinrui Huifeng Machinery Manufacturing Co.,Ltd. Country or region after: China Address before: No.108, Kaifa Avenue, economic development zone, Guiyang City, Guizhou Province, 550009 Patentee before: GUIZHOU HUIFENG ZHONGYI MACHINERY MANUFACTURING CO.,LTD. Country or region before: China |