CN212671597U - Novel soft coal seam drill rod - Google Patents
Novel soft coal seam drill rod Download PDFInfo
- Publication number
- CN212671597U CN212671597U CN202021550458.1U CN202021550458U CN212671597U CN 212671597 U CN212671597 U CN 212671597U CN 202021550458 U CN202021550458 U CN 202021550458U CN 212671597 U CN212671597 U CN 212671597U
- Authority
- CN
- China
- Prior art keywords
- connecting block
- sleeve
- coal seam
- rod body
- drilling rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model belongs to the technical field of the drilling rod body, especially, be a novel soft coal seam drilling rod, including drilling rod body and drill bit, the one end fixed mounting that drilling rod body and drill bit are close to each other has same coupling mechanism, coupling mechanism includes sleeve, first connecting block and second connecting block, the top of first connecting block and the bottom fixed connection of drilling rod body, the bottom of second connecting block and the top fixed connection of drill bit, first connecting block and second connecting block all with telescopic inner wall fixed connection. The utility model discloses the practicality is high, is convenient for change the drill bit on the drilling rod body, has guaranteed the normal operating of probing work.
Description
Technical Field
The utility model relates to a drilling rod body technical field especially relates to a novel soft coal seam drilling rod.
Background
Because of the existence of gas or water in the rock stratum, pressure higher than atmospheric pressure often exists in the rock stratum, and the pressure is typically gas or coal seam holes and the like in the coal seam mining process, if pressure relief is not performed before mining, pressure loss release is easily caused in the mining process, and safety accidents are caused. At present, the coal seam pressure relief is mainly carried out in a drilling mode.
However, although the coal seam is soft, hard objects such as stones may exist inside the coal seam, and when the coal seam meets the hard objects, the drill bit of the drill rod body may be damaged, and the connection relationship between the drill bit on the traditional drill rod body and the drill rod body is complex, so that the drill rod is not convenient to replace, and therefore, the novel soft coal seam drill rod is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a novel soft coal seam drill rod.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a novel soft coal seam drilling rod, includes drilling rod body and drill bit, the one end fixed mounting that drilling rod body and drill bit are close to each other has same coupling mechanism, coupling mechanism includes sleeve, first connecting block and second connecting block, the top of first connecting block and the bottom fixed connection of drilling rod body, the bottom of second connecting block and the top fixed connection of drill bit, first connecting block and second connecting block all with telescopic inner wall fixed connection.
Preferably, the sleeve is provided with two threaded holes, the first connecting block and the second connecting block are respectively provided with a first threaded groove and a second threaded groove, and the first threaded groove and the second threaded groove are respectively communicated with the corresponding threaded holes.
Preferably, the connecting mechanism comprises two hexagon bolts, the two hexagon bolts respectively penetrate through the corresponding threaded holes and are in threaded connection with the corresponding threaded holes, and the two hexagon bolts are respectively in threaded connection with the first threaded groove and the second threaded groove.
Preferably, two limiting grooves are formed in the sleeve, two first limiting blocks and two second limiting blocks are fixedly mounted on two sides of the first connecting block and two sides of the second connecting block respectively, and the two first limiting blocks and the two second limiting blocks are connected with the inner walls of the corresponding limiting grooves in a sliding mode respectively.
Preferably, the sum of the lengths of the first connecting block and the second connecting block is slightly smaller than the length of the sleeve, and the diameters of the first connecting block and the second connecting block are equal and slightly smaller than the inner diameter of the sleeve.
Preferably, two one side of the threaded hole far away from the inner wall of the sleeve is provided with a circular groove, and the diameter of the circular groove is slightly larger than the diameter of the nut of the hexagon bolt.
Compared with the prior art, the beneficial effects of the utility model are that: when changing the drill bit on the drilling rod body, only need two hex bolts of clockwise rotation, with two hex bolts from the sleeve screw down, treat after two hex bolts are whole from the sleeve and fall soon, thereby can make drilling rod body and drill bit all separate with coupling mechanism, thereby be convenient for change drilling rod body or drill bit, when connecting drilling rod body and drill bit together, only need all inject the sleeve with the first connecting block in the end on the drilling rod body and the second connecting block on the drill bit in, at two first stoppers, under the spacing of two second stoppers and two spacing grooves, can make first thread groove and second thread groove respectively with the screw hole that corresponds, at last screw in the screw hole that corresponds with hex bolts soon, thereby drilling rod body and drill bit limit are through coupling mechanism fixed connection together tightly.
The utility model discloses the practicality is high, is convenient for change the drill bit on the drilling rod body, has guaranteed the normal operating of probing work.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is an enlarged schematic view of portion A of FIG. 2;
FIG. 4 is an enlarged schematic view of portion B of FIG. 2;
in the figure: 1. a drill rod body; 2. a drill bit; 3. a connecting mechanism; 301. a sleeve; 302. a limiting groove; 303. a threaded hole; 304. a first connection block; 305. a first thread groove; 306. a first stopper; 307. a second connecting block; 308. a second thread groove; 309. a second limiting block; 310. a hexagon bolt.
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. 1-4, the present invention provides a technical solution: a novel soft coal seam drill rod comprises a drill rod body 1 and a drill bit 2, wherein one end, close to each other, of the drill rod body 1 and the drill bit 2 is fixedly provided with a same connecting mechanism 3, the connecting mechanism 3 comprises a sleeve 301, a first connecting block 304 and a second connecting block 307, the top end of the first connecting block 304 is fixedly connected with the bottom of the drill rod body 1, the bottom end of the second connecting block 307 is fixedly connected with the top end of the drill bit 2, and the first connecting block 304 and the second connecting block 307 are fixedly connected with the inner wall of the sleeve 301;
in this embodiment, as shown in fig. 3 to 4, two threaded holes 303 are formed in the sleeve 301, a first threaded groove 305 and a second threaded groove 308 are respectively formed in the first connecting block 304 and the second connecting block 307, and the first threaded groove 305 and the second threaded groove 308 are respectively communicated with the corresponding threaded holes 303.
The connecting mechanism 3 includes two hexagon bolts 310, the two hexagon bolts 310 respectively penetrate through the corresponding threaded holes 303 and are in threaded connection with the corresponding threaded holes 303, and the two hexagon bolts 310 are respectively in threaded connection with the first threaded grooves 305 and the second threaded grooves 308.
Two limiting grooves 302 are formed in the sleeve 301, two first limiting blocks 306 and two second limiting blocks 309 are fixedly mounted on two sides of the first connecting block 304 and the second connecting block 307 respectively, and the two first limiting blocks 306 and the two second limiting blocks 309 are connected with the inner walls of the corresponding limiting grooves 302 in a sliding mode respectively.
Specifically, under the limiting of the two first limiting blocks 306, the two second limiting blocks 309 and the two limiting grooves 302, the first thread groove 305 and the second thread groove 308 can be respectively corresponding to the thread holes 303, so that great convenience is brought to the installation work.
In this embodiment, as shown in fig. 3-4, the sum of the lengths of the first connecting block 304 and the second connecting block 307 is slightly smaller than the length of the sleeve 301, and the first connecting block 304 and the second connecting block 307 have the same diameter and are slightly smaller than the inner diameter of the sleeve 301.
Circular grooves are formed in one sides, far away from the inner wall of the sleeve 301, of the two threaded holes 303, and the diameters of the circular grooves are slightly larger than the diameter of the nut of the hexagon bolt 310.
Specifically, the diameter of the circular groove is slightly larger than the nut diameter of the hexagon bolt 310, so that the hexagon nuts on the hexagon bolt 310 can be hidden in the corresponding circular groove and not exposed outside the sleeve 301, the hexagon bolt 310 is well protected,
the working principle is as follows: when the drill bit 2 on the drill rod body 1 is replaced, only the two hexagon bolts 310 need to be rotated clockwise, the two hexagon bolts 310 are unscrewed from the sleeve 301, after the two hexagon bolts 310 are all unscrewed from the sleeve 301, the drill rod body 1 and the drill bit 2 can be separated from the connecting mechanism 3, so that the drill rod body 1 or the drill bit 2 can be replaced conveniently, when the drill rod body 1 and the drill bit 2 are connected together, only the bottom first connecting block 304 on the drill rod body 1 and the second connecting block 307 on the drill bit 2 need to be inserted into the sleeve 301, under the limitation of the two first limiting blocks 306, the two second limiting blocks 309 and the two limiting grooves 302, the first thread groove 305 and the second thread groove 308 can be respectively connected with the corresponding thread hole 303, and finally the hexagon bolt 310 is screwed into the corresponding thread hole 303, so that the drill rod body 1 and the drill bit 2 are tightly and fixedly connected together through the connecting mechanism 3, the utility model discloses the practicality is high, is convenient for change the drill bit on the drilling rod body, has guaranteed the normal operating of probing work.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a novel soft coal seam drilling rod, includes drilling rod body (1) and drill bit (2), its characterized in that: drilling rod body (1) and drill bit (2) one end fixed mounting that is close to each other have same coupling mechanism (3), coupling mechanism (3) include sleeve (301), first connecting block (304) and second connecting block (307), the top of first connecting block (304) and the bottom fixed connection of drilling rod body (1), the bottom of second connecting block (307) and the top fixed connection of drill bit (2), first connecting block (304) and second connecting block (307) all with the inner wall fixed connection of sleeve (301).
2. The novel soft coal seam drill rod as claimed in claim 1, wherein: two threaded holes (303) are formed in the sleeve (301), a first threaded groove (305) and a second threaded groove (308) are formed in the first connecting block (304) and the second connecting block (307) respectively, and the first threaded groove (305) and the second threaded groove (308) are communicated with the corresponding threaded holes (303) respectively.
3. The novel soft coal seam drill rod as claimed in claim 1, wherein: the connecting mechanism (3) comprises two hexagonal bolts (310), the two hexagonal bolts (310) respectively penetrate through the corresponding threaded holes (303) and are in threaded connection with the corresponding threaded holes (303), and the two hexagonal bolts (310) are respectively in threaded connection with the first threaded groove (305) and the second threaded groove (308).
4. The novel soft coal seam drill rod as claimed in claim 1, wherein: two limiting grooves (302) are formed in the sleeve (301), two first limiting blocks (306) and two second limiting blocks (309) are fixedly mounted on two sides of the first connecting block (304) and the second connecting block (307) respectively, and the two first limiting blocks (306) and the two second limiting blocks (309) are connected with the inner walls of the corresponding limiting grooves (302) in a sliding mode respectively.
5. The novel soft coal seam drill rod as claimed in claim 1, wherein: the length sum of the first connecting block (304) and the second connecting block (307) is slightly smaller than the length of the sleeve (301), and the diameters of the first connecting block (304) and the second connecting block (307) are equal and slightly smaller than the inner diameter of the sleeve (301).
6. The novel soft coal seam drill rod as claimed in claim 2, wherein: two threaded hole (303) keep away from sleeve (301) inner wall one side all seted up the circular slot, the diameter of circular slot slightly is greater than the nut diameter of hex bolts (310).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021550458.1U CN212671597U (en) | 2020-07-30 | 2020-07-30 | Novel soft coal seam drill rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021550458.1U CN212671597U (en) | 2020-07-30 | 2020-07-30 | Novel soft coal seam drill rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212671597U true CN212671597U (en) | 2021-03-09 |
Family
ID=74816319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021550458.1U Active CN212671597U (en) | 2020-07-30 | 2020-07-30 | Novel soft coal seam drill rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212671597U (en) |
-
2020
- 2020-07-30 CN CN202021550458.1U patent/CN212671597U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106854981A (en) | A kind of double dynamical snap joint auger stem | |
| CN105298409A (en) | Drill rod quick connector | |
| CN103643976A (en) | Recyclable nylon split combination anchor rod and anchor rod installing and recycling method | |
| CN204475331U (en) | Quick change anchor rod device | |
| CN212671597U (en) | Novel soft coal seam drill rod | |
| CN205445504U (en) | Novel geology spiral drill rod | |
| CN204851932U (en) | Bipolar screw bores tail screw with biconvex platform readily removable structure | |
| CN203531938U (en) | Constant-resistance extendable anchor | |
| CN213869717U (en) | Small-diameter directional drilling tool for underground coal mine | |
| CN210888998U (en) | Quick connecting locking device for anchor rod | |
| CN204621973U (en) | Surface pipe screw thread helmet extracting tool | |
| CN201474288U (en) | Fastener of steel pipe scaffold | |
| CN211491273U (en) | Special wrench special for dismantling gas hole sealing pipe | |
| CN202468649U (en) | Inner expansion type anti-loosening bolt | |
| CN204060553U (en) | Release guard aperture drilling rod is crept into for cherry coal rock | |
| CN201407000Y (en) | Centralizer ensuring pore-forming accuracy of drilling machine | |
| CN202832279U (en) | Integral helical-groove directional drill pipe | |
| CN204386535U (en) | A kind of drilling rod takes out instrument | |
| CN110805465A (en) | Portable coal mine gas drainage drill hole inclination prevention device | |
| CN101658723A (en) | Climbing Rock boring expansion nail | |
| CN203926270U (en) | The mechanical anchor at a kind of end of autotomying | |
| CN203559917U (en) | Recyclable nylon split combination type anchor bolt | |
| CN217130029U (en) | Novel many function combination pole that screw thread hangs first connection soon | |
| CN220081372U (en) | Large-caliber interrupt rod drilling tool treatment tool in drilling process | |
| CN217234527U (en) | Bidirectional balanced pressure anti-overflow valve for downhole operation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |