CN211115827U - Connecting rod for coal mine drill rod - Google Patents
Connecting rod for coal mine drill rod Download PDFInfo
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- CN211115827U CN211115827U CN201922242865.XU CN201922242865U CN211115827U CN 211115827 U CN211115827 U CN 211115827U CN 201922242865 U CN201922242865 U CN 201922242865U CN 211115827 U CN211115827 U CN 211115827U
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Abstract
The utility model discloses a connecting rod for a coal mine drill rod, which comprises two mounting rods, wherein the mounting rods are arranged at the front side, the outer side of the mounting rod is provided with a drill connecting rod at the rear side, the inner side walls of the drill connecting rod and the drill connecting rod are both provided with internal threads, the outer side wall of the mounting rod is provided with external threads, one side of the drill connecting rod, which is close to the drill connecting rod, is provided with a transition rod, one side of the drill connecting rod, which is close to the drill connecting rod, is provided with a connecting column, the utility model realizes the convenient disassembly and assembly of the drill connecting rod and the drill connecting rod by arranging the mounting rods, the mounting grooves, a second threaded rod, a fastening nut, the internal threads, the external threads, a mounting ring and the like, and, the device's work efficiency has effectively been ensured, belongs to colliery drilling rod mechanical accessories technical field.
Description
Technical Field
The utility model belongs to the technical field of colliery drilling rod machine parts, concretely relates to connecting rod for colliery drilling rod.
Background
Along with the development of science and technology, the variety of drilling rod is more and more, and the structure of drilling rod is also diversified according to actual demand, when mining to the colliery, needs to use the drilling rod, and wherein, the connecting rod is one of main structure, but, current connecting rod for colliery drilling rod still has some defects.
The connecting rod for the coal mine drill rod in the prior art has the following problems: 1. the drill bit connecting rod and the drill connecting rod of the connecting rod for the existing coal mine drill rod are arranged in a fixed structure, so that the connecting rod is inconvenient to disassemble, and after long-term use, when the thread on the outer side of the connecting rod is seriously worn, the device needs to be integrally replaced, so that the cost is high; 2. the stroke pole of current connecting rod for the colliery drilling rod sets up for fixed knot constructs, and is not flexible, is not convenient for use when the stroke is great, and the limitation is great.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides a connecting rod for colliery drilling rod has drill bit connecting rod and rig connecting rod convenient to detach and installation, can change when using its outside screw thread wearing and tearing comparatively seriously for a long time, has effectively ensured the device's work efficiency to and the stroke pole has perfect extending structure, and applicable stroke range is big, extensive applicability's characteristics.
In order to achieve the above object, the utility model provides a following technical scheme: a connecting rod for coal mine drill rods comprises two mounting rods, wherein drill connecting rods are arranged on the outer side of the mounting rods on the front side, drill connecting rods are arranged on the outer side of the mounting rods on the rear side, drilling machine connecting rods are arranged on the outer side of the mounting rods on the rear side, internal threads are arranged on the inner side walls of the drill connecting rods and the drilling machine connecting rods, external threads are arranged on the outer side walls of the mounting rods, transition rods are arranged on one sides, close to the drilling machine connecting rods, of the drilling machine connecting rods, connecting columns are arranged on one sides, far away from each other, of the transition rods and the drilling machine connecting rods, mounting rings are arranged at positions, corresponding to the mounting rings, of the transition rods and the connecting columns are respectively provided with mounting grooves, four second threaded rods are uniformly arranged in the mounting rings in a circumferential manner, fastening nuts are meshed at positions, close to the mounting rods, on the outer sides, a stroke outer rod is arranged on one side, close to the connecting column, of the transition rod, assembling grooves are formed in the front side and the rear side of the stroke outer rod and in one side, close to the transition rod, of the stroke outer rod, a placing groove is formed in the stroke outer rod, a stroke inner rod is placed in the placing groove, a limiting ring is fixed on the outer side of the stroke inner rod and on one side, far away from the transition rod, moving blocks are fixed on the upper side and the lower side of the stroke inner rod and on one side, close to the transition rod, of the stroke outer rod, moving grooves are formed in the inner side wall of the stroke outer rod and in positions corresponding to the moving blocks, threaded holes are formed in the moving blocks, first threaded rods are meshed in the threaded holes, limiting blocks are arranged on the right sides of the first threaded rods, limiting grooves are formed in the inner side wall of the stroke outer rod and in positions corresponding to, the right side of first threaded rod is fixed with the rotation block, the keyway has been seted up to the inside of spliced pole, the through-hole has all been seted up to the inside of installation pole, transition pole, stroke outer beam, stroke interior pole, spacing ring and spliced pole.
Preferably, the fastening nut is provided with a first threaded hole in the inner part corresponding to the second threaded rod, the inner side wall of the first threaded hole is provided with a first internal thread, the outer side wall of the second threaded rod is provided with a first external thread, and the first internal thread is meshed with the first external thread.
Preferably, the inner side wall of the threaded hole is provided with a second internal thread, the outer side wall of the first threaded rod is provided with a second external thread, and the second internal thread and the second external thread are meshed with each other.
Preferably, the limiting block is rotatably placed in the limiting groove through a bearing.
Preferably, the outer side wall of the moving block and the inner side wall of the moving groove are both subjected to polishing treatment, and the outer side wall of the moving block and the inner side wall of the moving groove are both of smooth structures.
Preferably, a rotary hole is formed in the position, corresponding to the first threaded rod, inside the side wall of the stroke outer rod, the inner side wall of the rotary hole is of a smooth structure, and the cross sectional area of the rotary hole is 1.1 times that of the first threaded rod.
Preferably, the inner part of the mounting ring and the positions corresponding to the four second threaded rods are provided with annular rotating through holes.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a set up installation pole, mounting groove, second threaded rod, fastening nut, internal thread, external screw thread and collar isotructure, under the mutually supporting of these structures, realized drill bit connecting rod and rig connecting rod convenient to detach and installation, can carry out the function of changing when using its outside screw thread wearing and tearing comparatively seriously for a long time, effectively ensured the device's work efficiency.
2. The utility model discloses a set up pole, first threaded rod, standing groove, shifting chute, screw hole, spacing groove and stopper isotructure in movable block, stroke, under the mutually supporting of these structures, realized that the stroke pole has perfect extending structure, applicable stroke scope is big, extensive applicability's function, simple structure, convenient operation, but the practicality is strong.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a schematic structural view of a cross section of the present invention;
fig. 3 is an enlarged schematic structural view of a point a in fig. 2 according to the present invention;
fig. 4 is an enlarged schematic structural view of the utility model at the point B in fig. 2;
in the figure: 1. a drill bit connecting rod; 2. a transition rod; 3. assembling a groove; 4. a travel outer rod; 5. a limiting ring; 6. rotating the block; 7. a keyway; 8. connecting columns; 9. a drill connecting rod; 10. a through hole; 11. a moving block; 12. an in-stroke inner rod; 13. a first threaded rod; 14. a placement groove; 15. mounting a rod; 16. mounting grooves; 17. a second threaded rod; 18. fastening a nut; 19. an internal thread; 20. an external thread; 21. a mounting ring; 22. a moving groove; 23. a threaded hole; 24. a limiting groove; 25. and a limiting block.
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 the following technical solutions: a connecting rod for coal mine drill rods comprises two mounting rods 15, a drill connecting rod 1 is arranged on the outer side of a front mounting rod 15, a drill connecting rod 9 is arranged on the outer side of a rear mounting rod 15, internal threads 19 are arranged on the inner side walls of the drill connecting rod 1 and the drill connecting rod 9, external threads 20 are arranged on the outer side wall of the mounting rod 15, a transition rod 2 is arranged on one side, close to the drill connecting rod 9, of the drill connecting rod 1, a connecting post 8 is arranged on one side, close to the drill connecting rod 1, of the drill connecting rod 9, mounting rings 21 are arranged on one sides, far away from each other, of the transition rod 2 and the drill connecting rod 9 and located in the transition rod 2 and the drill connecting rod 9, mounting grooves 16 are formed in the transition rod 2 and the connecting post 8 and corresponding to the positions of the mounting rings 21, four second threaded rods 17 are uniformly arranged in the mounting rings 21 in a circumferential manner, fastening nuts 18 are meshed on the outer sides of, a stroke outer rod 4 is arranged on one side of the transition rod 2 close to the connecting column 8, assembling grooves 3 are respectively arranged on the front side and the rear side of the stroke outer rod 4 and on one side close to the transition rod 2, a placing groove 14 is arranged inside the stroke outer rod 4, a stroke inner rod 12 is placed inside the placing groove 14, a limit ring 5 is fixed on one side of the stroke inner rod 12 far away from the transition rod 2, moving blocks 11 are fixed on the upper side and the lower side of the stroke inner rod 12 and on one side close to the transition rod 2, a moving groove 22 is arranged inside the side wall of the stroke outer rod 4 and corresponding to the moving block 11, a threaded hole 23 is arranged inside the moving block 11, a first threaded rod 13 is meshed inside the threaded hole 23, a limit block 25 is arranged on the right side of the first threaded rod 13, a limit groove 24 is arranged inside the side wall of the stroke outer rod 4 and corresponding to the position of the limit block 25, the right side of the first, the right side of first threaded rod 13 is fixed with rotation block 6, and keyway 7 has been seted up to the inside of spliced pole 8, and through-hole 10 has all been seted up to the inside of installation pole 15, transition pole 2, stroke outer beam 4, the interior pole 12 of stroke, spacing ring 5 and spliced pole 8.
In order to facilitate the fastening nut 18 to rotate outside the second threaded rod 17, in this embodiment, preferably, a first threaded hole is formed in the fastening nut 18 and at a position corresponding to the second threaded rod 17, a first internal thread is formed in an inner side wall of the first threaded hole, a first external thread is formed in an outer side wall of the second threaded rod 17, and the first internal thread and the first external thread are meshed with each other.
In order to facilitate the rotation of the first threaded rod 13 inside the threaded hole 23, in the present embodiment, it is preferable that an inner side wall of the threaded hole 23 is provided with a second internal thread, an outer side wall of the first threaded rod 13 is provided with a second external thread, and the second internal thread and the second external thread are engaged with each other.
In order to facilitate stable placement and rotation of the limiting block 25, in the embodiment, preferably, the limiting block 25 is rotatably placed inside the limiting groove 24 through a bearing.
In order to facilitate the moving block 11 to move inside the moving groove 22, in this embodiment, preferably, both the outer side wall of the moving block 11 and the inner side wall of the moving groove 22 are subjected to polishing treatment, and both the outer side wall of the moving block 11 and the inner side wall of the moving groove 22 are provided with smooth structures.
In order to facilitate the first threaded rod 13 to rotate inside the rotary hole, in this embodiment, preferably, a rotary hole is formed inside the side wall of the stroke outer rod 4 and at a position corresponding to the first threaded rod 13, the inner side wall of the rotary hole is of a smooth structure, and the cross-sectional area of the rotary hole is 1.1 times that of the first threaded rod 13.
In order to facilitate the second threaded rods 17 to rotate along the annular rotation through holes, in the embodiment, preferably, the annular rotation through holes are formed in the mounting ring 21 and at positions corresponding to the four second threaded rods 17.
The utility model discloses a theory of operation and use flow: when the utility model is used, firstly, the drill bit connecting rod 1 is installed with the drill bit, the drill bit connecting rod 9 is installed with the drill, and the connecting column 8 and the drill are reinforced through the key slot 7 by the pin key, if the travel required to be drilled is large, the rotating block 6 is simultaneously screwed before the rotation, so that the first threaded rod 13 rotates in the threaded hole 23, and further the moving block 11 moves in the moving groove 22, thereby the inner travel rod 12 is driven to move along the placing groove 14, finally, the travel is increased under the combined action of the outer travel rod 4 and the inner travel rod 12, in the process, the limiting block 25 rotates in the limiting groove 24, the limiting ring 5 has effective limiting function, the occurrence of over travel is avoided, the damage is caused to related structures, subsequently, the whole device can start to work, the drilled sludge is easier to be upwards discharged under the action of the transition rod 2, after the operation is finished, a tool is used for fixing the device through the assembling groove 3, the device can be disassembled through rotating the related structure, after the device is used for a period of time, if the threads on the outer sides of the drill bit connecting rod 1 and the drill connecting rod 9 are seriously worn, the fastening nut 18 only needs to be rotated to be taken out, then the drill bit connecting rod 1 (or the drill connecting rod 9) is rotated along the installation rod 15 under the meshing action of the external threads 20 and the internal threads 19, the installation ring 21 is separated from the installation groove 16 and the second threaded rod 17, the drill bit connecting rod 1 (or the drill connecting rod 9) is separated from the installation rod 15, and then a new drill bit connecting rod 1 (or the drill connecting rod 9) is reinstalled.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a connecting rod for colliery drilling rod, includes installation pole (15), its characterized in that: the drill bit connecting rods (1) are arranged on the outer side of the mounting rod (15) on the front side, the drill bit connecting rods (1) are arranged on the outer side of the mounting rod (15) on the rear side, the drill connecting rods (9) are arranged on the outer side of the mounting rod (15) on the rear side, internal threads (19) are arranged on the inner side walls of the drill bit connecting rods (1) and the drill connecting rods (9), external threads (20) are arranged on the outer side walls of the mounting rod (15), transition rods (2) are arranged on one sides, close to the drill connecting rods (9), of the drill connecting rods (1), connecting columns (8) are arranged on one sides, far away from each other, of the transition rods (2) and the drill connecting rods (9) and are respectively provided with mounting rings (21) at positions, the positions, located inside the transition rods (2) and the connecting columns (8) and corresponding to the mounting rings (21), are respectively provided with mounting grooves (16), the inner part of the mounting ring (21) is circumferentially and uniformly provided with four second threaded rods (17), fastening nuts (18) are meshed at positions, close to the mounting rods (15), on the outer sides of the second threaded rods (17), one side, close to the connecting column (8), of the transition rod (2) is provided with a stroke outer rod (4), assembling grooves (3) are formed in the front side and the rear side of the stroke outer rod (4) and in the side close to the transition rod (2), a placing groove (14) is formed in the stroke outer rod (4), a stroke inner rod (12) is placed in the placing groove (14), a limiting ring (5) is fixed on the outer side of the stroke inner rod (12) and in the side far away from the transition rod (2), and moving blocks (11) are fixed on the upper side and the lower side of the stroke inner rod (12) and in the side close to the transition rod (2), a moving groove (22) is arranged in the side wall of the stroke outer rod (4) and at the position corresponding to the moving block (11), a threaded hole (23) is formed in the moving block (11), a first threaded rod (13) is meshed in the threaded hole (23), a limiting block (25) is arranged on the right side of the first threaded rod (13), a limiting groove (24) is formed in the inner portion of the side wall of the stroke outer rod (4) and at the position corresponding to the limiting block (25), the right side of the first threaded rod (13) penetrates through the limiting ring (5) and extends to the right side of the limiting ring (5), a rotating block (6) is fixed on the right side of the first threaded rod (13), a key groove (7) is formed in the connecting column (8), through holes (10) are formed in the mounting rod (15), the transition rod (2), the stroke outer rod (4), the stroke inner rod (12), the limiting ring (5) and the connecting column (8).
2. The connecting rod for the coal mine drill rod as recited in claim 1, wherein: the inside of fastening nut (18) just corresponds the position department of second threaded rod (17) and has seted up first screw hole, the inside wall of first screw hole is provided with first internal thread, the lateral wall of second threaded rod (17) is provided with first external screw thread, first internal thread and first external screw thread intermeshing.
3. The connecting rod for the coal mine drill rod as recited in claim 1, wherein: the inside wall of screw hole (23) is provided with the second internal thread, the lateral wall of first threaded rod (13) is provided with the second external screw thread, second internal thread and second external screw thread intermeshing.
4. The connecting rod for the coal mine drill rod as recited in claim 1, wherein: the limiting block (25) is rotatably placed in the limiting groove (24) through a bearing.
5. The connecting rod for the coal mine drill rod as recited in claim 1, wherein: the outer side wall of the moving block (11) and the inner side wall of the moving groove (22) are both subjected to polishing treatment, and the outer side wall of the moving block (11) and the inner side wall of the moving groove (22) are both of smooth structures.
6. The connecting rod for the coal mine drill rod as recited in claim 1, wherein: the inside and position department that corresponds first threaded rod (13) of lateral wall of stroke outer boom (4) has seted up rotatory hole, the inside wall in rotatory hole sets up for smooth structure, the cross-sectional area in rotatory hole is 1.1 times of the cross-sectional area of first threaded rod (13).
7. The connecting rod for the coal mine drill rod as recited in claim 1, wherein: and annular rotating through holes are formed in the mounting ring (21) and correspond to the positions of the four second threaded rods (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922242865.XU CN211115827U (en) | 2019-12-13 | 2019-12-13 | Connecting rod for coal mine drill rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922242865.XU CN211115827U (en) | 2019-12-13 | 2019-12-13 | Connecting rod for coal mine drill rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211115827U true CN211115827U (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922242865.XU Active CN211115827U (en) | 2019-12-13 | 2019-12-13 | Connecting rod for coal mine drill rod |
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| Country | Link |
|---|---|
| CN (1) | CN211115827U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112324366A (en) * | 2020-10-26 | 2021-02-05 | 邹城兖矿泰德工贸有限公司 | Cast steel double helix connects pole |
-
2019
- 2019-12-13 CN CN201922242865.XU patent/CN211115827U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112324366A (en) * | 2020-10-26 | 2021-02-05 | 邹城兖矿泰德工贸有限公司 | Cast steel double helix connects pole |
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