CN211777171U - Holding block clamping structure and double-pipe drilling machine - Google Patents
Holding block clamping structure and double-pipe drilling machine Download PDFInfo
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- CN211777171U CN211777171U CN202020294625.4U CN202020294625U CN211777171U CN 211777171 U CN211777171 U CN 211777171U CN 202020294625 U CN202020294625 U CN 202020294625U CN 211777171 U CN211777171 U CN 211777171U
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Abstract
The utility model discloses a holding block clamping structure and a double-tube drilling machine, wherein the holding block clamping structure comprises a base and a holding block; the front surface of the base is provided with at least two holding block grooves, and each holding block groove is internally provided with a holding block; the holding blocks are rotatably arranged in the holding block grooves, and when the drill rods with different diameters are clamped, the angles of the holding blocks can be adjusted in a self-adaptive mode, so that the maximum clamping area is achieved. The utility model provides a drilling rod of different diameters break out and break out area of contact problem, keep the piece that keeps among the piece clamping structure can rotate different angles along with the change of drilling rod diameter to the better laminating drilling rod of expectation reaches the purpose of breaking out.
Description
Technical Field
The utility model relates to a keep a clamping structure belongs to drilling rod technical field.
Background
The clamping and shackle device is an important component of a double-pipe drilling machine, is mainly used for clamping a drilling tool in a hole and is matched with a gyrator to realize the function of mechanically screwing and unscrewing a drill rod, and the performance of the clamping and shackle device directly influences the performance of the whole machine, the drilling efficiency, the drilling quality and the like. The clamping and shackle device is a drilling machine and has the functions that when the drilling machine is in a normal drilling machine, a drilling rod in a clamping hole prevents a drilling tool from sliding, when the drilling rod is additionally or screwed, the clamping and shackle device is matched with a rotary mechanism and a feeding mechanism to complete the operation of screwing and unscrewing the drilling rod, along with the improvement of the rotary dragging speed and the rotary advancing speed of a drill ring, the working time for connecting and unscrewing the drilling rod is also improved, and due to the fact that the geology is complex, the construction is difficult, the pore-forming is low, the pore-forming depth is shallow, the structure of the clamping mechanism is complex, the clamping effect is not obvious, the clamping and shackle device is not suitable for clamping and shackle with different drilling rod diameters, and whether the.
Disclosure of Invention
To the problem that above-mentioned prior art exists, the utility model provides a keep a clamping structure for solve the drilling rod of different diameters and break out area of contact problem.
In order to realize the purpose, the utility model discloses a technical scheme is:
a holding block clamping structure comprises a base and a holding block; the front surface of the base is provided with at least two holding block grooves, and each holding block groove is internally provided with a holding block; the holding blocks are rotatably arranged in the holding block grooves, and when the drill rods with different diameters are clamped, the angles of the holding blocks can be adjusted in a self-adaptive mode, so that the maximum clamping area is achieved.
Furthermore, the bottom surface of the holding block groove is an arc-shaped surface, and the surface of the holding block, which is in contact with the bottom surface of the holding block groove, is also an arc-shaped surface, so that the rotation of the holding block is realized.
Furthermore, the two ends of the holding block groove are respectively provided with a symmetrical base groove extending towards the rear surface of the base, the baffle plates are arranged in the base grooves, the two ends of the holding block positioned in the holding block groove are connected by the corresponding baffle plates, and the holding block moves left and right in the base through the baffle plates on the two sides.
Furthermore, the baffle is provided with a screw hole I, both side surfaces of the retaining block are provided with screw holes II concentric with the screw hole I, and the baffle is connected with the retaining block in the screw hole I and the screw hole II through bolt screwing.
Further, the baffle is U type structure, the shape of base recess is U type recess to restriction holding piece can not unlimited rotation.
Furthermore, a tiger tooth groove is formed in the surface of the holding block facing the drill rod, and tiger teeth are installed in the tiger tooth groove and extend out of the tiger tooth groove to be in contact with the drill rod.
Furthermore, the surfaces of the tiger teeth in contact with the drill rod are set to be ridge-shaped surfaces, so that friction force is increased, and clamping force is enhanced.
Furthermore, the tiger teeth are of long plate structures, and the tiger tooth grooves are long strip-shaped grooves.
Furthermore, the holding block grooves are two in total and are symmetrically distributed relative to the central line of the base, and the whole holding block grooves are arranged in a splayed shape.
A double-barrelled rig is provided with the holding block clamping structure.
The utility model discloses beneficial effect:
the utility model discloses a keep a block clamping structure to have solved the drilling rod of different diameters and broken out and break out area of contact problem, keep keeping the different angles that the piece can rotate along with the change of drilling rod diameter among the block clamping structure to the better laminating drilling rod of expectation reaches the purpose of breaking out.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic exploded view of the overall structure of the present invention;
FIG. 2 is a schematic front view of the overall structure of the present invention;
FIG. 3 is a schematic side view of the overall structure of the present invention;
fig. 4 is a schematic view of the base structure of the present invention.
In the figure: 1. the base 2, keep a recess, 3, base recess, 4, baffle, 5, keep the piece, 6, bolt, 7, tiger's tooth, 8, tiger's tooth recess.
Detailed Description
In order to make the purpose, technical solution and advantages of the present invention clearer, the following will combine the drawings in the embodiments of the present invention to perform more detailed description on the technical solution in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention.
The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. 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. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, 2, 3, a holding block holding structure includes a base 1 and a holding block 5; the front surface of the base 1 is provided with at least two holding block grooves 2, and each holding block groove 2 is provided with a holding block 5; the holding blocks 5 are rotatably arranged in the holding block grooves 2, and when drill rods with different diameters are clamped, the angles of the holding blocks 5 can be adjusted in a self-adaptive mode, so that the maximum clamping area is achieved.
As shown in fig. 4, the base 1 is a rectangular parallelepiped structure, and the two holding block grooves 2 are symmetrically distributed with respect to the center line of the base 1 and arranged in a splayed shape as a whole.
It should be noted that the above is a detailed description of the specific implementation of the present invention, but the present invention is not limited to the specific embodiments described above, which are only examples, and any equivalent modifications and substitutions of the base structure, the number of retaining block grooves are within the scope of the present invention for those skilled in the art.
With continued reference to fig. 1 and 4, the bottom surface of the holding block groove 2 is an arc-shaped surface, and the surface of the holding block 5 contacting with the bottom surface of the holding block groove 2 is also an arc-shaped surface, so that the rotation of the holding block is realized.
Two ends of the holding block groove 2 are respectively provided with a base groove 3 which is symmetrical and extends towards the rear surface of the base 1, a baffle plate 4 is arranged in the base groove 3, two ends of the holding block 5 positioned in the holding block groove 2 are respectively connected with the corresponding baffle plate 4, and the baffle plates 4 at two sides are used for realizing the left and right movement of the holding block 5 in the base 1.
The preferred scheme is as follows: baffle 4 is equipped with screw I, and 5 both sides face of keeping piece all is equipped with screw II concentric with screw I, realizes being connected of baffle 4 and keeping piece 5 in having screw I, screw II through the screw 6 precession. The above is a detailed description of the specific implementation of the present invention, but the present invention is not limited to the above-described specific embodiments, which are only examples, and any equivalent modifications and substitutions of the connection structure of the baffle plate and the holding block are also within the scope of the present invention for those skilled in the art.
Further scheme: the baffle 4 is in a U-shaped structure, and the base groove 3 is in a U-shaped groove, so that the holding block 5 is limited from rotating without limitation.
Further scheme: with continued reference to fig. 1 and 3, the holding block 5 facing the drill rod is provided with a tiger's teeth groove 8 on the surface, wherein tiger's teeth 7 are installed in the tiger's teeth groove 8, and the tiger's teeth 7 protrude from the tiger's teeth groove 8 to contact with the drill rod. The surfaces of the tiger teeth 7 which are contacted with the drill rod are arranged to be ridge-shaped surfaces, so that the friction force is increased, and the clamping force is enhanced.
It should be noted that the tiger teeth 7 are long plate structures, and the tiger teeth grooves 8 are long strip-shaped grooves. Of course, the tiger teeth may have other structures, and are not limited to the specific embodiments described above.
In conclusion, the problem of drill rod shackle and shackle contact area of different diameters is solved by the holding block clamping structure, and the holding block in the holding block clamping structure can rotate by different angles along with the change of the diameter of the drill rod, so that the drill rod can be better attached to the holding block, and the shackle purpose is achieved.
The main working principle process is as follows:
when the drill rod clamping device normally works, the angle of the retaining block 5 can be adjusted in a self-adaptive mode according to drill rods with different diameters, so that the angle of the tiger teeth 7 arranged on the tiger tooth groove 8 is adjusted to reach the maximum clamping area, and the outer side surfaces of the tiger teeth 7 are in the shape of the ridge teeth and used for increasing friction force and enhancing clamping force; and the baffle 4 can be limited in rotation angle by the base groove 3 on the base 1 during the rotation of the retaining block 5, so that the retaining block 5 can not be limited to rotate without limitation.
The utility model also discloses a double-barrelled rig installs foretell holding block clamping structure.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (10)
1. A holding block holding structure characterized in that: comprises a base and a holding block;
the front surface of the base is provided with at least two holding block grooves, and each holding block groove is internally provided with a holding block;
the holding blocks are rotatably arranged in the holding block grooves, and when the drill rods with different diameters are clamped, the angles of the holding blocks can be adjusted in a self-adaptive mode, so that the maximum clamping area is achieved.
2. A holding block holding structure as set forth in claim 1, wherein: the bottom surface of the holding block groove is an arc-shaped surface, and the surface of the holding block, which is contacted with the bottom surface of the holding block groove, is also an arc-shaped surface, so that the rotation of the holding block is realized.
3. A holding block holding structure as set forth in claim 1, wherein: the two ends of the holding block groove are respectively provided with a symmetrical base groove extending towards the rear surface of the base, the base groove is internally provided with a baffle, the two ends of the holding block positioned in the holding block groove are respectively connected with a corresponding baffle, and the left and right movement of the holding block in the base is realized through the baffles on the two sides.
4. A holding block holding structure as set forth in claim 3, wherein: the baffle is equipped with screw I, keep piece both sides face all to be equipped with screw II concentric with screw I, through the bolt precession realize being connected of baffle and keeping piece in having screw I, screw II.
5. A holding block holding structure as set forth in claim 3, wherein: the baffle is U type structure, the shape of base recess is U type recess to restriction holding piece can not unlimited rotation.
6. A holding block holding structure as set forth in claim 1, wherein: the surface of the holding block facing the drill rod is provided with a tiger tooth groove, tiger teeth are arranged in the tiger tooth groove, and the tiger teeth extend out of the tiger tooth groove and are used for being in contact with the drill rod.
7. A holding block holding structure as set forth in claim 6, wherein: the surfaces of the tiger teeth in contact with the drill rod are arranged to be ridge-shaped surfaces, so that friction force is increased, and clamping force is enhanced.
8. A holding block holding structure as set forth in claim 6, wherein: the tiger teeth are of long plate structures, and the tiger tooth grooves are long strip-shaped grooves.
9. A holding block holding structure as set forth in claim 1, wherein: the holding block grooves are two in number, are symmetrically distributed relative to the central line of the base and are integrally arranged in a splayed shape.
10. A dual-tube drilling machine characterized by: a holding block holding structure as claimed in any one of claims 1 to 9 is mounted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020294625.4U CN211777171U (en) | 2020-03-11 | 2020-03-11 | Holding block clamping structure and double-pipe drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020294625.4U CN211777171U (en) | 2020-03-11 | 2020-03-11 | Holding block clamping structure and double-pipe drilling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211777171U true CN211777171U (en) | 2020-10-27 |
Family
ID=72939719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020294625.4U Active CN211777171U (en) | 2020-03-11 | 2020-03-11 | Holding block clamping structure and double-pipe drilling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211777171U (en) |
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2020
- 2020-03-11 CN CN202020294625.4U patent/CN211777171U/en active Active
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