CN215281812U - Tool for taking out broken bolt of wind generating set - Google Patents
Tool for taking out broken bolt of wind generating set Download PDFInfo
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- CN215281812U CN215281812U CN202121170793.3U CN202121170793U CN215281812U CN 215281812 U CN215281812 U CN 215281812U CN 202121170793 U CN202121170793 U CN 202121170793U CN 215281812 U CN215281812 U CN 215281812U
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- generating set
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- wind generating
- broken bolt
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Abstract
A tool for taking out a broken bolt of a wind generating set comprises a first tool and a second tool, wherein the first tool comprises a first body, the second tool comprises a second body, one end of the first body is provided with a first mounting groove, the other end of the first body is provided with a first mounting handle, one end of the second body is provided with a second mounting groove, the other end of the first body is provided with a second mounting handle, a drill bit is arranged in the first tool, the first tool is connected with an electric drill, the drill bit extends into the broken bolt hole through the first tool, a hole is drilled in the center of the section of the broken bolt, a wire taking device is arranged in the second tool, the second tool is connected with a spanner, the wire taking device extends into the broken bolt hole through the second tool, the spanner is rotated, the wire taking device is screwed into the drilled hole of the broken bolt, the broken bolt is taken out of the broken bolt hole through the reactive force of the wire taking device, therefore, the problem that the broken bolt is difficult to take out from a deeper broken bolt hole due to the limitation of a narrow space is solved.
Description
Technical Field
The utility model relates to a demolish fracture bolt and equip technical field, in particular to wind generating set fracture bolt take out instrument.
Background
The wind generating set has a large number of connecting bolts, for example, about 1000 bolts are provided for a 1.5MW unit, especially for a blade bolt of the wind generating set, if the torque value of the bolt is insufficient or exceeds the specified torque value during installation, the bolt is easy to break when the torsional force generated by rotation of the impeller exceeds the stress strength of the bolt during operation of the wind generating set, or the bolt is broken due to other reasons, and a large potential safety hazard may be generated due to untimely treatment.
Chinese patent "a get screw bolt breakage frock" of No. CN208930161U announces, the get screw bolt breakage frock in this patent, at first with the drill bit be connected to the electric drill, on disconnected bolt drilling, then, demolish the drill bit, be connected to the electric drill with disconnected silk extractor, during the disconnected silk extractor inserted the drill bit and previously made the drilling on disconnected bolt, disconnected bolt thread line counter-rotation disconnected silk extractor relatively, will break the bolt and take out.
However, because the bolt in the wind turbine generator system is long, after the bolt is broken, a deep broken screw hole 10 may be formed, as shown in fig. 1 and 2, and due to the narrow space, the broken bolt 20 cannot be taken out by using the above-mentioned patent product.
Disclosure of Invention
In view of the above, it is necessary to provide a tool for removing a broken bolt of a wind turbine generator system.
The utility model provides a tool for taking out of wind generating set bolt that breaks, includes first frock, second frock, first frock includes first body, the second frock includes the second body, the one end of first body is equipped with first mounting groove, the other end of first body is equipped with first installation handle, the one end of second body is equipped with the second mounting groove, the other end of first body is equipped with second installation handle.
Preferably, the first body and the second body are both columnar, and the outer diameters of the first body and the second body are smaller than the inner diameter of the broken wire screw hole.
Preferably, be equipped with first jackscrew hole in the one end of first body, the radial extension of first body is followed in first jackscrew hole, first jackscrew hole link up the inner wall of first mounting groove, is equipped with first jackscrew body in first jackscrew hole, is equipped with second jackscrew hole in the one end of second body, the radial extension of second body is followed in second jackscrew hole, second jackscrew hole link up the inner wall of second mounting groove, is equipped with second jackscrew body in second jackscrew hole.
Preferably, the tool for taking out the broken bolt of the wind generating set further comprises a drill bit and an electric drill, a handle portion of the drill bit is inserted into the first mounting groove, and the first mounting handle is inserted into a self-locking chuck of the electric drill.
Preferably, the section of the shank of the drill is rectangular, and the section shape of the first mounting groove is matched with that of the shank of the drill.
Preferably, the cross section of the first mounting handle is rectangular, and the cross section shape of the first mounting handle is matched with the cross section shape of the inner side of the self-locking chuck.
Preferably, the tool for taking out the broken bolt of the wind generating set further comprises a wire taking device and a wrench, a handle part of the wire taking device is inserted into the second mounting groove, and the second mounting handle is used for being clamped into an opening of the wrench.
Preferably, the handle of the wire extractor is rectangular in cross section, and the cross section of the second mounting groove is matched with that of the handle of the wire extractor.
Preferably, the cross section of the second mounting handle is rectangular, and the cross section of the second mounting handle is matched with the shape of the opening of the wrench.
Preferably, the diameters of the first body and the second body are both less than 30mm, and the lengths of the first body and the second body are both greater than 526 mm.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the drill bit is installed by using the first tool, the drill bit is fixed relative to the first tool by using the first jackscrew body, the first tool is connected with an electric drill, the drill bit extends into the broken screw hole through the first tool, about 2-3 cm of drill holes are drilled at the positive center position of the section of the broken screw bolt, the wire taking device is installed by using the second tool, the wire taking device is fixed relative to the second tool by using the second jackscrew body, the second tool is connected with a wrench, the wire taking device extends into the broken screw hole through the second tool, the wrench is rotated, the wire taking device is screwed into the drill holes of the broken screw bolt, the broken screw bolt is taken out from the broken screw hole by using the reaction force of the wire taking device, and therefore the problem that the broken screw bolt is limited by narrow space and difficult to take out from the deep broken screw hole is solved.
Drawings
Fig. 1 is a structural schematic view of the tool for taking out the broken bolt of the wind generating set in a first use state.
Fig. 2 is a structural schematic view of the tool for taking out the broken bolt of the wind generating set in a second use state.
In the figure: the device comprises a broken wire screw hole 10, a broken wire bolt 20, a first tool 30, a first body 31, a first mounting groove 32, a first mounting handle 33, a first jackscrew body 34, a second tool 40, a second body 41, a second mounting groove 42, a second mounting handle 43, a second jackscrew body 44, a drill bit 50, an electric drill 60, a wire extractor 70 and a wrench 80.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Referring to fig. 1 and 2, the embodiment of the utility model provides a tool for taking out wind generating set bolt that splits, including first frock 30, second frock 40, first frock 30 includes first body 31, and second frock 40 includes second body 41, and the one end of first body 31 is equipped with first mounting groove 32, and the other end of first body 31 is equipped with first installation handle 33, and the one end of second body 41 is equipped with second mounting groove 42, and the other end of first body 31 is equipped with second installation handle 43. Compared with the prior art, the beneficial effects of the utility model reside in that:
the method comprises the steps of installing a drill bit 50 by using a first tool 30, fixing the drill bit 50 relative to the first tool 30 by using a first jackscrew body 34, connecting the first tool 30 with an electric drill 60, extending the drill bit 50 into a broken wire screw hole 10 through the first tool 30, drilling a hole of about 2-3 cm in the center of the section of a broken wire bolt 20, installing a wire extractor 70 by using a second tool 40, fixing the wire extractor 70 relative to a second tool 40 by using a second jackscrew body 44, connecting the second tool 40 with a wrench 80, extending the wire extractor 70 into the broken wire screw hole 10 through the second tool 40, rotating the wrench 80 to screw the wire extractor 70 into the hole of the broken wire bolt 20, and taking out the broken wire bolt 20 from the broken wire screw hole 10 by using the reaction force of the wire extractor 70, so that the problem that the broken wire bolt 20 is difficult to take out from a deep broken wire screw hole 10 due to narrow space limitation is solved.
Specifically, the outer diameters of the first tool 30 and the second tool 40 are preferably slightly smaller than the inner diameter of the broken wire screw hole 10, and the outer diameter of the wire extractor 70 is preferably slightly larger than the diameter of the drill 50.
Referring to fig. 1 and 2, further, the first body 31 and the second body 41 are both columnar, and the outer diameters of the first body 31 and the second body 41 are both smaller than the inner diameter of the wire breaking screw hole 10.
Specifically, the first body 31 and the second body 41 have the same structure, the outer diameter of the middle section of the first body 31 and the second body 41 is slightly smaller than the outer diameter of the two ends, the middle section of the first body 31 and the middle section of the second body 41 are respectively provided with a centering mechanism, each centering mechanism comprises a centering cylinder and a spring, the outer annular wall of each centering cylinder is conical, the inner diameter of each centering cylinder is equal to the outer diameter of the middle section of the first body 31 or the second body 41, the centering cylinders are sleeved on the outer annular wall of the first body 31 or the second body 41 and can slide along the axial direction of the first body 31 or the second body 41, the springs are sleeved on the outer annular wall of the first body 31 or the second body 41, one ends of the springs are fixedly connected with the centering cylinders, and the other ends of the springs are fixedly connected with the first body 31 or the second body 41.
Specifically, the middle sections of the first body 31 and the second body 41 can adopt multi-section detachable unit structures, and unit structures with different diameters can be installed as required, so that the screw thread breaking device is suitable for the screw thread breaking holes 10 with different depths and diameters.
Referring to fig. 1 and 2, a first jackscrew hole is formed at one end of the first body 31, the first jackscrew hole extends along the radial direction of the first body 31, the first jackscrew hole penetrates through the inner wall of the first mounting groove 32, a first jackscrew body 34 is arranged in the first jackscrew hole, a second jackscrew hole is formed at one end of the second body 41, the second jackscrew hole extends along the radial direction of the second body 41, the second jackscrew hole penetrates through the inner wall of the second mounting groove 42, and a second jackscrew body 44 is arranged in the second jackscrew hole.
Referring to fig. 1 and 2, further, the tool for removing the broken bolt of the wind generating set further comprises a drill bit 50 and an electric drill 60, wherein the handle of the drill bit 50 is inserted into the first mounting groove 32, and the first mounting handle 33 is inserted into the self-locking chuck of the electric drill 60.
Specifically, the shank of the drill bit 50 is inserted into the first mounting groove 32, the drill bit 50 rotates synchronously with the first body 31, the first mounting shank 33 is inserted into the self-locking chuck of the electric drill 60, and the first body 31 rotates synchronously with the self-locking chuck of the electric drill 60.
Referring to fig. 1 and 2, further, the shank of the drill 50 has a rectangular cross-section, and the first mounting groove 32 has a cross-sectional shape matching the cross-sectional shape of the shank of the drill 50.
Referring to fig. 1 and 2, further, the cross section of the first mounting handle 33 is rectangular, and the cross section of the first mounting handle 33 matches with the cross section of the inner side of the self-locking chuck.
Referring to fig. 1 and 2, further, the tool for removing the broken bolt of the wind generating set further comprises a wire extractor 70 and a wrench 80, wherein the handle of the wire extractor 70 is inserted into the second mounting groove 42, and the second mounting handle 43 is used for being clamped into an opening of the wrench 80.
Specifically, the handle of the wire extractor 70 is inserted into the second mounting groove 42, the wire extractor 70 rotates synchronously with the second body 41, the second mounting handle 43 is inserted into the opening of the wrench 80, the second body 41 rotates synchronously with the wrench 80, the second mounting handle 43 can be clamped into the self-locking chuck of the electric drill 60, the second mounting handle 43 is inserted into the self-locking chuck of the electric drill 60, and the second body 41 rotates synchronously with the self-locking chuck of the electric drill 60.
Referring to fig. 1 and 2, further, the handle of the wire extractor 70 has a rectangular cross section, and the cross-sectional shape of the second mounting groove 42 matches the cross-sectional shape of the handle of the wire extractor 70.
Referring to fig. 1 and 2, further, the second mounting shank 43 has a rectangular cross section, and the cross-sectional shape of the second mounting shank 43 matches the shape of the opening of the wrench 80.
Referring to fig. 1 and 2, further, the diameters of the first body 31 and the second body 41 are both less than 30mm, and the lengths of the first body 31 and the second body 41 are both greater than 526 mm.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The embodiment of the utility model provides a module or unit in the device can merge, divide and delete according to actual need.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides a wind generating set fracture bolt's instrument of taking out which characterized in that: the tool comprises a first tool and a second tool, wherein the first tool comprises a first body, the second tool comprises a second body, a first mounting groove is formed in one end of the first body, a first mounting handle is arranged at the other end of the first body, a second mounting groove is formed in one end of the second body, and a second mounting handle is arranged at the other end of the first body.
2. The tool for removing the broken bolt of the wind generating set according to claim 1, wherein: the first body and the second body are both columnar, and the outer diameters of the first body and the second body are smaller than the inner diameter of the broken wire screw hole.
3. The tool for removing the broken bolt of the wind generating set according to claim 1, wherein: be equipped with first jackscrew hole in the one end of first body, the radial extension of first body is followed in first jackscrew hole, first jackscrew hole link up the inner wall of first mounting groove, is equipped with first jackscrew body in first jackscrew hole, is equipped with second jackscrew hole in the one end of second body, the radial extension of second body is followed in second jackscrew hole, second jackscrew hole link up the inner wall of second mounting groove, is equipped with second jackscrew body in second jackscrew hole.
4. The tool for removing the broken bolt of the wind generating set according to claim 1, wherein: the tool for taking out the broken bolt of the wind generating set further comprises a drill bit and an electric drill, wherein a handle portion of the drill bit is inserted into a first mounting groove, and a self-locking chuck of the electric drill is inserted into a first mounting handle.
5. The tool for removing the broken bolt of the wind generating set according to claim 4, wherein: the section of the handle of the drill bit is rectangular, and the section shape of the first mounting groove is matched with that of the handle of the drill bit.
6. The tool for removing the broken bolt of the wind generating set according to claim 4, wherein: the cross section of the first mounting handle is rectangular, and the cross section shape of the first mounting handle is matched with the cross section shape of the inner side of the self-locking chuck.
7. The tool for removing the broken bolt of the wind generating set according to claim 1, wherein: the tool for taking out the broken bolt of the wind generating set further comprises a wire taking device and a wrench, wherein the handle portion of the wire taking device is inserted into the second mounting groove, and the second mounting handle is used for being clamped into an opening of the wrench.
8. The tool for removing the broken bolt of the wind generating set according to claim 7, wherein: the section of the handle of the wire taking device is rectangular, and the section shape of the second mounting groove is matched with that of the handle of the wire taking device.
9. The tool for removing the broken bolt of the wind generating set according to claim 7, wherein: the section of the second mounting handle is rectangular, and the section shape of the second mounting handle is matched with the shape of the opening of the wrench.
10. The tool for removing the broken bolt of the wind generating set according to claim 1, wherein: the diameters of the first body and the second body are both smaller than 30mm, and the lengths of the first body and the second body are both larger than 526 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121170793.3U CN215281812U (en) | 2021-05-28 | 2021-05-28 | Tool for taking out broken bolt of wind generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121170793.3U CN215281812U (en) | 2021-05-28 | 2021-05-28 | Tool for taking out broken bolt of wind generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215281812U true CN215281812U (en) | 2021-12-24 |
Family
ID=79542608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121170793.3U Active CN215281812U (en) | 2021-05-28 | 2021-05-28 | Tool for taking out broken bolt of wind generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215281812U (en) |
-
2021
- 2021-05-28 CN CN202121170793.3U patent/CN215281812U/en active Active
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