CN112936151A - Bolt fastening device - Google Patents
Bolt fastening device Download PDFInfo
- Publication number
- CN112936151A CN112936151A CN202110178561.0A CN202110178561A CN112936151A CN 112936151 A CN112936151 A CN 112936151A CN 202110178561 A CN202110178561 A CN 202110178561A CN 112936151 A CN112936151 A CN 112936151A
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- Prior art keywords
- bolt
- connecting portion
- section
- fastening device
- sleeve
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B13/00—Spanners; Wrenches
- B25B13/02—Spanners; Wrenches with rigid jaws
- B25B13/06—Spanners; Wrenches with rigid jaws of socket type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
Abstract
The invention relates to a bolt fastening device which comprises an intermediate connecting piece, a sleeve and an operating rod. Wherein the intermediate junction spare extends along the direction of wearing out of the bolt of treating the fastening, the intermediate junction spare includes this body section, the one end of this body section is connected with first connecting portion, the other end of this body section is equipped with the second connecting portion. The sleeve is detachably connected with the first connecting portion and used for being sleeved on the bolt to be fastened. The operating rod is connected with the second connecting part. Above-mentioned bolt-up device can handle the not hard up problem of bolt in the bolt direction of wearing out to the not hard up problem of bolt more being applicable to and handling the cable termination, and then solve the cable run problem that generates heat that leads to because of the bolt is not hard up. Simultaneously, the sleeve can be dismantled with the first connecting portion of intermediate junction spare and be connected, and the operation personnel can change the sleeve of corresponding model according to the model of the bolt of treating the fastening, improves bolt-up device commonality.
Description
Technical Field
The invention relates to the technical field of circuit maintenance tools, in particular to a bolt fastening device.
Background
Along with the improvement of the living standard of people, the laying range of the power transmission line is wider and wider. During the peak period of the power consumption in summer, the power transmission line is loaded, and the heating problem of the power transmission line is obviously increased. The transmission line is easy to fail due to overheating of the transmission line, and even fire danger is easy to cause.
The bolt looseness of transmission line strain clamp or cable terminal is the reason that the problem of generating heat appears, through in time fastening bolt be the effective means of solving the problem of generating heat. A conventional bolt tightening tool connects a ratchet wrench and an operating lever by a 90-degree steering tool. When the ratchet wrench is used, the ratchet wrench is sleeved on the bolt, and then the operating rod is pushed and pulled back and forth, so that the aim of fastening the bolt is fulfilled. However, the bolts of the cable terminal are loose, so that the operator can only perform maintenance in the direction perpendicular to the end face of the cable terminal when performing maintenance, and cannot fasten the bolts in a manner of pushing and pulling the bolts forward and backward by using a conventional bolt fastening tool.
Disclosure of Invention
Based on this, it is necessary to provide a bolt fastening device for solving the problem of bolt loosening of the cable terminal.
A bolt fastening device comprising:
the middle connecting piece is used for extending along the penetrating direction of a bolt to be fastened and comprises a body section, one end of the body section is connected with a first connecting part, and the other end of the body section is provided with a second connecting part;
the sleeve is detachably connected with the first connecting part and is used for being sleeved on the bolt to be fastened; and the number of the first and second groups,
the operating rod is detachably connected with the second connecting portion.
Above-mentioned bolt-up device passes through intermediate junction spare connecting sleeve and action bars, because intermediate junction spare extends along the direction of wearing out of bolt, thereby make the axis direction of action bars the same with telescopic axis direction and unanimous with the direction of wearing out of bolt, when using, the operation personnel can stand on the direction of wearing out of bolt, can drive the sleeve through levogyration or dextrorotation action bars and rotate, the sleeve drives the bolt rotation again, thereby realize bolt-up, and then solve the cable run problem that leads to because of the bolt is not hard up and generate heat. Compared with the traditional bolt fastening tool which only can stand on the side of the bolt and can fasten the bolt only by pushing and pulling the operating rod back and forth. The bolt fastening device can process the bolt loosening problem in the direction perpendicular to the end face direction of the cable terminal (namely the bolt penetrating direction), is more suitable for processing the bolt loosening problem of the cable terminal, and further solves the problem of heating of a cable circuit caused by the bolt loosening. Simultaneously, the sleeve can be dismantled with the first connecting portion of intermediate junction spare and be connected to the operation personnel can change the sleeve of corresponding model according to the model of the bolt of treating the fastening, thereby improves bolt-up device's commonality. Further, the operating rod is detachably connected with the second connecting part of the middle connecting piece, so that when the bolt fastening device is not used, the operating rod can be detached, the overall length of the bolt fastening device is reduced, and the bolt fastening device is convenient to transport or carry.
The technical solution of the present application is further explained below:
in one embodiment, at least one anti-rotation plane is formed on the circumferential surface of the first connecting portion, the sleeve is provided with a connecting hole for inserting the first connecting portion, and the hole wall of the connecting hole is also provided with a mounting plane corresponding to the anti-rotation plane.
Through the cooperation of the plane for preventing on the first connecting portion and the mounting plane on the connecting hole pore wall, when the operating personnel rotated the action bars, the relative rotation problem took place for action bars and sleeve, has improved bolt-up's stability.
In one embodiment, the cross section of the first connecting part is in a rectangular structure, and the connecting hole is a rectangular hole matched with the first connecting part.
In one embodiment, the first connecting portion is provided with a positioning protrusion, the hole wall of the connecting hole is provided with a positioning groove, the positioning groove penetrates through the end surface of the sleeve along the central line direction of the connecting hole, and the positioning protrusion can be embedded in the positioning groove.
Through the cooperation of location arch and constant head tank, improve the stability of being connected of sleeve and first connecting portion.
In one embodiment, an end of the body section near the first connection portion is chamfered.
Through being close to at the body section the one end of first connecting portion for this body section can pass through smoothly to first connecting portion on, has avoided sharp closed angle to appear in the junction of body section and first connecting portion, has prevented that the operation personnel from cutting the hand when using, has guaranteed operation personnel safety, has improved operation personnel and has used and experienced.
In one embodiment, the second connecting portion includes a threaded section, the threaded section is provided with an external thread, one end of the operating rod close to the second connecting portion is provided with a movable outer sleeve member, the outer sleeve member is provided with an internal thread matched with the external thread, and the outer sleeve member is in threaded connection with the threaded section.
The second connecting part is in threaded connection with the middle connecting part through the outer sleeve part, so that the operating rod and the middle connecting part are fixed in the axial direction, the operating rod is prevented from being separated from the middle connecting part in the working process, the outer sleeve part can be loosened through screwing after the bolt fastening device or the bolt fastening device is not used, the outer sleeve part is separated from the thread section, the overall length of the bolt fastening device is reduced, and the bolt fastening device is convenient to transport or carry.
In one embodiment, a clamping section is connected to one end of the threaded section, which is far away from the body section, a clamping groove is formed in an end face of the clamping section, an inner sleeve is arranged at one end, which is close to the second connecting portion, of the operating rod, the inner sleeve is arranged in the outer sleeve, and a clamping member is arranged on the inner sleeve and is used for being embedded in the clamping groove.
Through joint spare and joint groove looks joint to make action bars and intermediate junction spare fixed in circumference, avoid in the course of the work action bars and intermediate junction spare to take place the rotation each other.
In one embodiment, the clamping groove penetrates through the circumferential surface of the clamping section along the radial direction of the clamping section, and the length of the clamping piece is greater than or equal to that of the clamping groove.
In one embodiment, the second connection portion is further provided with a limiting section for connecting the body section and the threaded section, and the radial length of the limiting section is greater than that of the threaded section. The limiting section is used for being abutted to the outer sleeve piece, so that the outer sleeve piece is prevented from being sleeved behind the threaded section and rotating excessively.
In one embodiment, the operating rod is made at least partially of an insulating material.
The operating rod is at least partially made of insulating materials, so that the bolt fastening device can fasten a loose bolt under the condition that the power transmission line is not powered off, the current is transmitted to the operating rod in the working process, and the personal safety of operators is guaranteed. Meanwhile, the mode of processing the loosened bolt without power failure avoids power failure of the power transmission line, reduces power failure of users, improves power supply reliability and avoids economic loss caused by power failure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural view of an intermediate coupling member of a bolt fastening apparatus according to an embodiment;
FIG. 2 is a left side view of the intermediate linkage shown in FIG. 1;
FIG. 3 is a right side view of the intermediate linkage shown in FIG. 1;
fig. 4 is a structural view of a first connection part of the intermediate connection member shown in fig. 1.
Description of reference numerals:
10. a body section; 11. chamfering; 20. a first connection portion; 21. an anti-rotation plane; 22. positioning the projection; 30. a second connecting portion; 31. a threaded segment; 32. a clamping section; 321. a clamping groove; 33. a limiting section.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Specifically, this application embodiment provides one kind and refers to fig. 1, and this application provides a bolt-up device for screw up the reinforcement to the not hard up bolt of transmission line strain clamp or cable terminal. Referring to fig. 1, a bolt fastening apparatus of an embodiment includes an intermediate link, a sleeve, and an operating lever. Wherein the intermediate junction spare extends along the direction of wearing out of the bolt of treating the fastening, and the intermediate junction spare includes body section 10, and the one end of body section 10 is connected with first connecting portion 20, and the other end of body section 10 is equipped with second connecting portion 30. The sleeve is detachably connected with the first connecting portion 20, and the sleeve is used for being sleeved on a bolt to be fastened. Preferably, the sleeve is a ratchet sleeve. The operating lever is connected to the second connecting portion 30.
Specifically, when dealing with the problem of loosening of the bolts of the cable termination, an operator stands near the horizontal position of the iron tower termination and then faces the bolt penetration direction. A sleeve matching the bolt to be fastened is attached to the first connection portion 20 of the intermediate connection member, and then an operating lever is attached to the second connection portion 30 of the intermediate connection member. Then the operating rod is held by hand, and the sleeve is sleeved on the bolt to be fastened. Rotate the action bars left or right to drive the sleeve and rotate, the sleeve drives the bolt rotation again, thereby realizes the bolt-up, and then solves the cable run problem that generates heat because of the bolt is not hard up and leads to.
Above-mentioned bolt-up device passes through intermediate junction spare connecting sleeve and action bars, because intermediate junction spare extends along the direction of wearing out of bolt, thereby make the axis direction of action bars the same with telescopic axis direction and unanimous with the direction of wearing out of bolt, when using, the operation personnel can stand on the direction of wearing out of bolt, can drive the sleeve through levogyration or dextrorotation action bars and rotate, the sleeve drives the bolt rotation again, thereby realize bolt-up, and then solve the cable run problem that leads to because of the bolt is not hard up and generate heat. Compared with the traditional bolt fastening tool which only can stand on the side of the bolt and can fasten the bolt only by pushing and pulling the operating rod back and forth. The bolt fastening device can process the bolt loosening problem in the direction perpendicular to the end face direction of the cable terminal (namely the bolt penetrating direction), is more suitable for processing the bolt loosening problem of the cable terminal, and further solves the problem of heating of a cable circuit caused by the bolt loosening. Meanwhile, the sleeve is detachably connected with the first connecting portion 20 of the intermediate connecting member, so that the operator can replace the sleeve of the corresponding model according to the model of the bolt to be fastened, and the universality of the bolt fastening device is improved. Further, the operation lever is detachably coupled to the second coupling portion 30 of the intermediate coupling member, so that the operation lever can be detached when the bolt fastening device is not used, to reduce the overall length of the bolt fastening device, and to facilitate transportation or carrying of the bolt fastening device.
Referring to fig. 1-2, further, at least one anti-rotation plane 21 is formed on the circumferential surface of the first connection portion 20, the sleeve is provided with a connection hole for inserting the first connection portion 20, and a mounting plane corresponding to the anti-rotation plane 21 is also formed on the hole wall of the connection hole, so that the sleeve can be detachably fixed on the first connection portion 20 by inserting the first connection portion 20 into the connection hole. Meanwhile, the plane on the first connecting portion 20 is matched with the mounting plane on the wall of the connecting hole, so that the problem that the operating rod and the sleeve rotate relatively when an operator rotates the operating rod is solved, and the stability of the bolt fastening device is improved. Preferably, the first connecting portion 20 is in interference fit with the connecting hole, so as to prevent the sleeve from easily falling off the first connecting portion 20.
Further, in the present embodiment, the cross section of the first connecting portion 20 has a rectangular structure, and the connecting hole is a rectangular hole matched with the first connecting portion 20. That is, in the present embodiment, four rotation-preventing planes 21 are provided on the circumferential surface of the first connecting portion 20, and the four rotation-preventing planes 21 are connected in sequence. Correspondingly, the pore wall of connecting hole also is formed with four mounting plane that connect gradually to prevent changeing plane 21 cooperation butt through four mounting plane and four, further avoided first connecting portion 20 and sleeve to take place relative rotation, further improved sleeve and intermediate junction's stability of being connected.
It should be noted that, in addition to the above-mentioned connection manner of the first connection portion 20 and the sleeve, in other embodiments, the first connection portion 20 and the sleeve may be connected by a screw connection or a snap connection, and the purpose of replacing the sleeve with a different type according to the type of the bolt to be fastened can also be achieved.
Referring to fig. 1 and 4, the first connecting portion 20 is provided with a positioning protrusion 22, a positioning groove is formed in the hole wall of the connecting hole, the positioning groove penetrates through the end surface of the sleeve along the central line direction of the connecting hole, and the positioning protrusion 22 can be embedded in the positioning groove, so that the positioning protrusion 22 is matched with the positioning groove, and the connecting stability of the sleeve and the first connecting portion 20 is improved.
Further, the body section 10, the first connecting portion 20 and the second connecting portion 30 are integrally formed. Preferably, the intermediate connecting member is made of metal. Referring to fig. 1, one end of the body section 10 near the first connection portion 20 is provided with a chamfer 11. Through the one end that is close to first connecting portion 20 at body section 10 for body section 10 can pass through smoothly to first connecting portion 20 on, avoided body section 10 and first connecting portion 20's junction sharp-edged closed angle to appear, has prevented that the operation personnel from cutting the hand when using, has guaranteed operation personnel safety, has improved operation personnel and has used and experienced. Further, in other embodiments, a rounded corner may also be provided at an end of the body segment close to the first connection portion 20, and the rounded corner instead of the chamfer 11 also achieves the purpose of avoiding sharp corners at the connection between the body segment 10 and the first connection portion 20 and preventing the operator from cutting his hand when using the device.
Further, referring to fig. 1, the second connection portion 30 includes a threaded section 31, the threaded section 31 is provided with an external thread, one end of the operating rod near the second connection portion 30 is provided with a movable outer sleeve member, the outer sleeve member is provided with an internal thread matched with the external thread, and the outer sleeve member is in threaded connection with the threaded section 31. The second connecting portion 30 of the outer sleeve piece and the middle connecting piece are in threaded connection, so that the operating rod and the middle connecting piece are fixed in the axial direction, the operating rod is prevented from being separated from the middle connecting piece in the working process, the outer sleeve piece can be loosened by screwing after the bolt fastening device or the bolt fastening device is not used, the outer sleeve piece is separated from the threaded section 31, the overall length of the bolt fastening device is reduced, and the bolt fastening device is convenient to transport or carry.
Further, referring to fig. 1 and fig. 3, one end of the threaded section 31 far away from the body section 10 is connected with a clamping section 32, an end surface of the clamping section 32 is provided with a clamping groove 321, one end of the operating rod near the second connecting portion 30 is provided with an inner sleeve member, the inner sleeve member is arranged in the outer sleeve member, and the inner sleeve member is provided with a clamping member, and the clamping member is used for being embedded in the clamping groove 321. Preferably, the limiting part is a protrusion or a rod extending radially along the operating rod, so that the operating rod and the intermediate connecting member are circumferentially fixed by clamping the clamping part with the clamping groove 321, and the operating rod and the intermediate connecting member are prevented from rotating with each other in the working process.
Further, joint groove 321 radially runs through joint section 32 global along joint section 32, and the length of joint spare is greater than or equal to the length of joint groove 321, configures into the length that is greater than or equal to joint groove 321 through the length with joint spare, has improved the joint steadiness of joint spare and joint groove 321, and then has improved action bars and intermediate junction spare.
Further, the second connection portion 30 is further provided with a limiting section 33 for connecting the body section 10 and the threaded section 31, and the radial length of the limiting section 33 is greater than that of the threaded section 31. Specifically, the limiting section 33 is a boss structure, and the limiting section 33 protrudes out of the threaded section 31 and the body section 10 along the radial direction. The limiting section 33 is used for abutting against the outer sleeve, so that the outer sleeve is prevented from rotating excessively after being sleeved on the threaded section 31.
Further, the operating rod is at least partially made of an insulating material. For example, the operating rod body is made of plastic materials or wood materials. In another embodiment, the rod body of the operating rod can also be made of a metal material, so that the rigidity of the operating rod is improved, but an insulating material layer is sleeved or coated outside the rod body of the operating rod, and the bolt fastening device is directly connected with the electrified equipment and at least partially made of the insulating material, so that the bolt fastening device can fasten a loose bolt under the condition that the power transmission line is not powered off, the current is prevented from being transmitted to the operating rod in the working process, and the personal safety of operators is guaranteed. Meanwhile, the mode of processing the loosened bolt without power failure avoids power failure of the power transmission line, reduces power failure of users, improves power supply reliability and avoids economic loss caused by power failure.
The bolt fastening device of the application at least comprises the following beneficial effects:
above-mentioned bolt-up device passes through intermediate junction spare connecting sleeve and action bars, because intermediate junction spare extends along the direction of wearing out of bolt, thereby make the axis direction of action bars the same with telescopic axis direction and unanimous with the direction of wearing out of bolt, when using, the operation personnel can stand on the direction of wearing out of bolt, can drive the sleeve through levogyration or dextrorotation action bars and rotate, the sleeve drives the bolt rotation again, thereby realize bolt-up, and then solve the cable run problem that leads to because of the bolt is not hard up and generate heat. Compared with the traditional bolt fastening tool which only can stand on the side of the bolt and can fasten the bolt only by pushing and pulling the operating rod back and forth. The bolt fastening device can process the bolt loosening problem in the direction perpendicular to the end face direction of the cable terminal (namely the bolt penetrating direction), is more suitable for processing the bolt loosening problem of the cable terminal, and further solves the problem of heating of a cable circuit caused by the bolt loosening. Meanwhile, the sleeve is detachably connected with the first connecting portion 20 of the intermediate connecting member, so that the operator can replace the sleeve of the corresponding model according to the model of the bolt to be fastened, and the universality of the bolt fastening device is improved. Further, the operation lever is detachably coupled to the second coupling portion 30 of the intermediate coupling member, so that the operation lever can be detached when the bolt fastening device is not used, to reduce the overall length of the bolt fastening device, and to facilitate transportation or carrying of the bolt fastening device.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A bolt fastening device, characterized by comprising:
the middle connecting piece is used for extending along the penetrating direction of a bolt to be fastened and comprises a body section, one end of the body section is connected with a first connecting part, and the other end of the body section is provided with a second connecting part;
the sleeve is detachably connected with the first connecting part and is used for being sleeved on the bolt to be fastened; and the number of the first and second groups,
the operating rod is detachably connected with the second connecting portion.
2. The bolt-fastening device according to claim 1, wherein at least one rotation-preventing plane is formed on a circumferential surface of the first connecting portion, the sleeve is provided with a connecting hole for inserting the first connecting portion, and a hole wall of the connecting hole is formed with a mounting plane corresponding to the rotation-preventing plane.
3. The bolt fastening device according to claim 2, wherein the first connecting portion has a rectangular cross section, and the connecting hole is a rectangular hole matching with the first connecting portion.
4. The bolt fastening device according to claim 2, wherein the first connecting portion is provided with a positioning projection, a hole wall of the connecting hole is provided with a positioning groove, the positioning groove penetrates through an end surface of the sleeve in a center line direction of the connecting hole, and the positioning projection is capable of being embedded in the positioning groove.
5. A bolt fastening device according to claim 1, wherein an end of the body section adjacent the first connection portion is chamfered.
6. A bolt-fastening device according to claim 1, wherein the second connecting portion comprises a threaded section provided with external threads, and the operating rod is provided at an end thereof adjacent to the second connecting portion with a movable outer sleeve member provided with internal threads matching the external threads, the outer sleeve member being threadedly connected to the threaded section.
7. The bolt fastening device according to claim 6, wherein a clamping section is connected to an end of the threaded section away from the body section, a clamping groove is formed in an end surface of the clamping section, an inner sleeve is arranged at an end of the operating rod close to the second connecting portion, the inner sleeve is arranged in the outer sleeve, and a clamping member is arranged on the inner sleeve and is used for being embedded in the clamping groove.
8. The bolt fastening device according to claim 7, wherein the clamping groove penetrates through the circumferential surface of the clamping section in the radial direction of the clamping section, and the length of the clamping piece is greater than or equal to that of the clamping groove.
9. The bolt-fastening device according to claim 6, wherein the second connecting portion is further provided with a stopper section connecting the body section and the threaded section, and a radial length of the stopper section is larger than a radial length of the threaded section.
10. Bolt fastening means according to any one of claims 1 to 9, characterised in that the operating rod is at least partially of an insulating material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110178561.0A CN112936151A (en) | 2021-02-09 | 2021-02-09 | Bolt fastening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110178561.0A CN112936151A (en) | 2021-02-09 | 2021-02-09 | Bolt fastening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112936151A true CN112936151A (en) | 2021-06-11 |
Family
ID=76244884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110178561.0A Pending CN112936151A (en) | 2021-02-09 | 2021-02-09 | Bolt fastening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112936151A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2593964Y (en) * | 2002-12-04 | 2003-12-24 | 徐文财 | T-shape circle jact |
| CN103192336A (en) * | 2013-04-28 | 2013-07-10 | 国家电网公司 | Method for bolt fastening of suspension clamp of power transmission line and special tool |
| CN208571424U (en) * | 2018-07-27 | 2019-03-01 | 云南电网有限责任公司带电作业分公司 | A kind of dedicated box socket set of plum blossom hair style insulating bar |
| CN211220454U (en) * | 2019-12-12 | 2020-08-11 | 国网新疆电力有限公司哈密供电公司 | Assembled sleeve of electrified fastening bolt |
-
2021
- 2021-02-09 CN CN202110178561.0A patent/CN112936151A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2593964Y (en) * | 2002-12-04 | 2003-12-24 | 徐文财 | T-shape circle jact |
| CN103192336A (en) * | 2013-04-28 | 2013-07-10 | 国家电网公司 | Method for bolt fastening of suspension clamp of power transmission line and special tool |
| CN208571424U (en) * | 2018-07-27 | 2019-03-01 | 云南电网有限责任公司带电作业分公司 | A kind of dedicated box socket set of plum blossom hair style insulating bar |
| CN211220454U (en) * | 2019-12-12 | 2020-08-11 | 国网新疆电力有限公司哈密供电公司 | Assembled sleeve of electrified fastening bolt |
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Application publication date: 20210611 |