CN114473936A - Electrified bolt fastening device - Google Patents

Electrified bolt fastening device Download PDF

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Publication number
CN114473936A
CN114473936A CN202210120253.7A CN202210120253A CN114473936A CN 114473936 A CN114473936 A CN 114473936A CN 202210120253 A CN202210120253 A CN 202210120253A CN 114473936 A CN114473936 A CN 114473936A
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CN
China
Prior art keywords
wrench
hole
insulating rod
socket
hexagonal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210120253.7A
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Chinese (zh)
Inventor
张海燕
张鹏
王会
张海云
郭宁
崔黎明
郑城市
党清政
卢伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiyuan Power Supply Co of State Grid Henan Electric Power Co Ltd
Original Assignee
Jiyuan Power Supply Co of State Grid Henan Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiyuan Power Supply Co of State Grid Henan Electric Power Co Ltd filed Critical Jiyuan Power Supply Co of State Grid Henan Electric Power Co Ltd
Priority to CN202210120253.7A priority Critical patent/CN114473936A/en
Publication of CN114473936A publication Critical patent/CN114473936A/en
Pending legal-status Critical Current

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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
    • B25B13/56—Spanner sets
    • 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
    • B25B13/00—Spanners; Wrenches
    • B25B13/10—Spanners; Wrenches with adjustable jaws
    • B25B13/12—Spanners; Wrenches with adjustable jaws the jaws being slidable
    • 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)
  • Electric Cable Installation (AREA)

Abstract

本发明涉及一种带电螺栓紧固装置，第一绝缘杆顶部设置有受力块，受力块左侧固定设置有第一套筒扳手，受力块上部设置有第二套筒扳手，受力块右侧设置有六角扳手，六角扳手和第一套筒扳手之间通过转动轴连接，转动轴通过轴承转动设置在第四通孔内，第一套筒扳手上还设置有第二通孔，六角扳手上设置有第三通孔，六角扳手上还设置有活动扳手，活动扳手的两个板齿与六角扳手接触，板齿上设置有第一通孔，第一通孔与六角扳手上的第三通孔对应，且第一通孔和第三通孔内贯穿有限位销，活动扳手底部设置有连接孔，连接孔内设置有连接架，连接架的底部设置在第二绝缘杆顶端处；本发明具有结构合理、紧固效果好、适用多种不同情况的螺栓紧固的优点。

Figure 202210120253

The invention relates to a live bolt tightening device. A force-bearing block is arranged on the top of a first insulating rod, a first socket wrench is fixedly arranged on the left side of the force-bearing block, and a second socket wrench is arranged on the upper part of the force-bearing block. A hexagonal wrench is arranged on the right side of the block. The hexagonal wrench and the first socket wrench are connected by a rotating shaft, and the rotating shaft is set in the fourth through hole through the bearing rotation, and the first socket wrench is also provided with a second through hole, The hexagonal wrench is provided with a third through hole, and the hexagonal wrench is also provided with an adjustable wrench. The two plate teeth of the adjustable wrench are in contact with the hexagonal wrench, and the plate teeth are provided with a first through hole, and the first through hole is connected to the hexagonal wrench. Corresponding to the third through hole, the first through hole and the third through hole pass through a limit pin, the bottom of the adjustable wrench is provided with a connecting hole, the connecting hole is provided with a connecting frame, and the bottom of the connecting frame is set at the top of the second insulating rod The invention has the advantages of reasonable structure, good tightening effect, and suitable for bolt tightening in many different situations.

Figure 202210120253

Description

Electrified bolt fastening device
Technical Field
The invention relates to the technical field of electric power construction tools, in particular to a charged bolt fastening device.
Background
In the power grid industry, equipment wire clamps in a transformer substation often cause bolts to loosen due to factors such as surface oxidation, external force traction, untight crimping and the like, so that the connection parts of the wire clamps generate heat; if the heating condition is not processed in time, the heating condition is aggravated to develop into a critical defect, and the conditions of equipment heating damage and power grid safe operation damage are certainly generated; particularly, when critical defects are in the nighttime, urgent repair must be performed at night, and the working danger of operating personnel is increased rapidly. Therefore, at the initial stage of heating of the equipment wire clamp, live fastening is carried out on the bolt of the wiring board, so that the problem is solved in time, serious heating deterioration damage to equipment is avoided, and the power failure times are reduced; the device has a simple structure and is fast to implement, but in the using process, as only one end of the single insulating rod is used for fastening the bolt, the bolt cannot be fastened under the condition that the nut rotates; in addition, the bolts horizontally arranged face to face, and need to be horizontally arranged at the same height, so that the use difficulty and danger in field use are increased; the working process of the combination of the single insulating rod and the turning gear set comprises the following steps of fixing one end of a screw by utilizing the single insulating rod and the turning gear set, and rotating the driving wheel to drive the fastening screw of the driven wheel; the device can change the fastening direction, saves labor in operation and has good fastening effect, but because the gear set can only fix the screw at one end and can only fasten the bolt in the vertical direction, when the nut and the screw rotate together, the gear set can not be fastened; therefore, it is necessary to provide a bolt fastening device with a reasonable structure, a good fastening effect, and a good adaptability to various different conditions.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides the electrified bolt fastening device which is reasonable in structure, good in fastening effect and suitable for fastening bolts under various different conditions.
The purpose of the invention is realized as follows: a charged bolt fastening device comprises a first insulating rod and a second insulating rod, wherein a stress block is arranged at the top of the first insulating rod, a first sleeve wrench is fixedly arranged on the left side of the stress block, a second sleeve wrench is arranged on the upper portion of the stress block, a hexagonal wrench is arranged on the right side of the stress block, the hexagonal wrench and the first sleeve wrench are connected through a rotating shaft, the rotating shaft is arranged in a fourth through hole in the stress block, the rotating shaft is rotatably arranged in the fourth through hole through a bearing, a second through hole is further formed in the first sleeve wrench, a third through hole is formed in the hexagonal wrench, a movable wrench is further arranged on the hexagonal wrench, two plate teeth of the movable wrench are in contact with the hexagonal wrench, a first through hole is formed in each plate tooth and corresponds to the third through hole in the wrench, and limiting pins penetrate through the first through hole and the hexagonal through hole, the utility model discloses a spacing pin, including spacer pin, adjustable spanner, connecting hole, link, first insulator spindle, limiting pin, spacing pin both ends are provided with stop nut, the adjustable spanner bottom is provided with the connecting hole, be provided with the link in the connecting hole, the link is right angle frame, and the bottom setting of link is in second insulator spindle top department, the other end of link is provided with the lug, still be provided with the horse shoe lock between first insulator spindle and the second insulator spindle.
The adjustable wrench above the second insulating rod can be arranged at the first sleeve wrench, the first through hole corresponds to the second through hole, the limiting pin is arranged in the first through hole and the second through hole, and the limiting pin is fixed through the limiting nut.
The first sleeve wrench and the second sleeve wrench are provided with a plurality of models, and the models of the first sleeve or the second sleeve can be replaced.
The second insulating rod and the first insulating rod are matched for use or the second insulating rod is used independently, when the second insulating rod and the first insulating rod are matched for use, an adjustable wrench at the top of the second insulating rod is matched for use with a hexagonal wrench or a first socket wrench, and at the moment, the U-shaped lock on the first insulating rod and the second insulating rod is taken down to push the second insulating rod to realize the rotation of the first socket wrench or the hexagonal wrench; when the horseshoe lock is installed, the first insulating rod and the second insulating rod are fixed relatively, the first insulating rod is used as a rotating shaft, the second insulating rod assists in rotating, and the second sleeve wrench plays a role in rotating the fastening bolt; when the second insulating rod is used alone, the bolt can be directly fastened by the adjustable wrench by pushing or pulling the second insulating rod.
The connecting frame is arranged in a rotating mode relative to the connecting hole, and the lug on the connecting frame can prevent the adjustable wrench from falling off.
A lock ring is arranged on the horseshoe lock, and a first insulating rod and a second insulating rod are arranged in the lock ring.
The length of the limiting pin can meet the maximum displacement limit of the wrench plate teeth, and the limiting pin is connected with the limiting nut through threads.
The invention has the beneficial effects that: according to the invention, the first sleeve wrench and the hexagon wrench which can rotate are arranged on the first insulating rod, so that bolts in the horizontal direction can be fastened, the second insulating rod is pushed, the monkey wrench can be driven to rotate, the monkey wrench can drive the first sleeve wrench or the hexagon wrench to rotate for fastening the bolts, the monkey wrench is connected with the hexagon wrench through the limiting pin and the limiting nut, and meanwhile, the monkey wrench can be taken down from the hexagon wrench; the bolt fastening device has the advantages of reasonable structure, good fastening effect and suitability for fastening bolts under various different conditions.
Drawings
Fig. 1 is a schematic structural view of a first insulation rod and a second insulation rod of the present invention when they are used in cooperation.
Fig. 2 is a schematic structural diagram of the horseshoe lock of the present invention.
FIG. 3 is a schematic diagram of the external structure of the force-bearing block of the present invention.
Fig. 4 is a schematic structural view of the adjustable wrench of the present invention.
FIG. 5 is a schematic diagram of the internal structure of the force-bearing block of the present invention.
Fig. 6 is a schematic view of the horseshoe lock arrangement of the present invention.
Fig. 7 is a schematic view of a structure of a second insulating rod according to the present invention when it is used alone.
In the figure, the device comprises a first insulating rod 1, a second insulating rod 3, a stress block 4, a first socket wrench 5, a second socket wrench 6, a hexagon wrench 7, a connecting frame 8, a lug 9, a monkey wrench 10, a plate tooth 11, a first through hole 12, a second through hole 13, a horseshoe lock 14, a third through hole 15, a limit pin 16, a limit nut 17, a connecting hole 18, a fourth through hole 19, a bearing 20 and a locking ring.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Example 1
As shown in fig. 1 to 7, a charged bolt fastening device includes a first insulating rod 1 and a second insulating rod 2, a force-bearing block 3 is disposed on the top of the first insulating rod 1, a first socket wrench 4 is fixedly disposed on the left side of the force-bearing block 3, a second socket wrench 5 is disposed on the upper portion of the force-bearing block 3, a hexagonal wrench 6 is disposed on the right side of the force-bearing block 3, the hexagonal wrench 6 and the first socket wrench 4 are connected by a rotating shaft, the rotating shaft is disposed in a fourth through hole 18 inside the force-bearing block, the rotating shaft is rotatably disposed in the fourth through hole 18 by a bearing 19, a second through hole 12 is further disposed on the first socket wrench 4, a third through hole 14 is disposed on the hexagonal wrench 6, a monkey wrench 9 is further disposed on the hexagonal wrench 6, two plate teeth 10 of the monkey wrench 9 are in contact with the hexagonal wrench 6, a first through hole 11 is disposed on the plate tooth 10, first through-hole 11 corresponds with third through-hole 14 on the hexagonal spanner 6, and has run through spacer pin 15 in first through-hole 11 and the third through-hole 14, spacer pin 15 both ends are provided with stop nut 16, adjustable spanner 9 bottom is provided with connecting hole 17, be provided with link 7 in the connecting hole 17, link 7 is the right angle frame, and the bottom setting of link 7 is in 2 tops departments of second insulator spindle, the other end of link 7 is provided with lug 8, still be provided with horse shoe lock 13 between first insulator spindle 1 and the second insulator spindle 2.
The invention can fasten the bolt in the horizontal direction by arranging the first socket wrench 4 and the hexagon wrench 6 which can rotate on the first insulating rod 1, and can drive the monkey wrench 9 to rotate by pushing the second insulating rod 2, thereby enabling the adjustable wrench 9 to drive the first socket wrench 4 or the hexagon wrench 6 to rotate for bolt fastening, the adjustable wrench 9 is connected with the hexagon wrench 6 through the spacing pin 15 and the spacing nut 16, meanwhile, the adjustable wrench 9 can be taken down from the hexagonal wrench 6, the second insulating rod 2 and the adjustable wrench 9 can be used independently, and the adjustable wrench can be suitable for bolts with different diameters, when the horseshoe lock 13 is installed, the first insulating rod 1 and the second insulating rod 2 are fixed relatively, the first insulating rod 1 serves as a rotating shaft, the second insulating rod 2 assists in rotating, and the second sleeve wrench 5 plays a role in rotating the fastening bolt; the bolt fastening device has the advantages of reasonable structure, good fastening effect and suitability for fastening bolts under various different conditions.
Example 2
As shown in fig. 1 to 7, a charged bolt fastening device includes a first insulating rod 1 and a second insulating rod 2, a force-bearing block 3 is disposed on the top of the first insulating rod 1, a first socket wrench 4 is fixedly disposed on the left side of the force-bearing block 3, a second socket wrench 5 is disposed on the upper portion of the force-bearing block 3, a hexagonal wrench 6 is disposed on the right side of the force-bearing block 3, the hexagonal wrench 6 and the first socket wrench 4 are connected by a rotating shaft, the rotating shaft is disposed in a fourth through hole 18 inside the force-bearing block, the rotating shaft is rotatably disposed in the fourth through hole 18 by a bearing 19, a second through hole 12 is further disposed on the first socket wrench 4, a third through hole 14 is disposed on the hexagonal wrench 6, a monkey wrench 9 is further disposed on the hexagonal wrench 6, two plate teeth 10 of the monkey wrench 9 are in contact with the hexagonal wrench 6, a first through hole 11 is disposed on the plate tooth 10, first through-hole 11 corresponds with third through-hole 14 on the hexagonal spanner 6, and has run through spacer pin 15 in first through-hole 11 and the third through-hole 14, spacer pin 15 both ends are provided with stop nut 16, adjustable spanner 9 bottom is provided with connecting hole 17, be provided with link 7 in the connecting hole 17, link 7 is the right angle frame, and the bottom setting of link 7 is in 2 tops departments of second insulator spindle, the other end of link 7 is provided with lug 8, still be provided with horse shoe lock 13 between first insulator spindle 1 and the second insulator spindle 2.
The adjustable wrench 9 above the second insulating rod 2 can be further arranged at the first sleeve wrench 4, the first through hole 11 corresponds to the second through hole 12, a limiting pin 15 is arranged in the first through hole 11 and the second through hole 12 and is fixed to the limiting pin 15 through a limiting nut 16, the first sleeve wrench 4 and the second sleeve wrench 5 are provided with a plurality of models, the models of the first sleeve or the second sleeve can be replaced, the second insulating rod 2 and the first insulating rod 1 are matched for use or the second insulating rod 2 is used independently, when the adjustable wrench 9 at the top of the second insulating rod 2 is matched for use with the hexagonal wrench 6 or the first sleeve wrench 4, at the moment, the U-shaped lock 13 on the first insulating rod 1 and the second insulating rod 2 is taken down, and the second insulating rod 2 is pushed to realize the rotation of the first sleeve wrench 4 or the hexagonal wrench 6; when the horseshoe lock 13 is installed, the first insulating rod 1 and the second insulating rod 2 are fixed relatively, the first insulating rod 1 serves as a rotating shaft, the second insulating rod 2 assists in rotating, and the second sleeve wrench 5 plays a role in rotating the fastening bolt; when second insulator spindle 2 used alone, through promoting or pulling second insulator spindle 2, realize the direct fastening to the bolt of monkey wrench 9, connecting frame 7 rotates the setting to connecting hole 17 relatively, lug on the connecting frame 7 can prevent monkey wrench 9 and drop, be provided with catch 20 on the horse shoe lock 13, set up first insulator spindle 1 and second insulator spindle 2 in the catch 20, the maximum displacement limit of monkey wrench 9 board tooth 10 can be satisfied to the length of spacer pin 15, spacer pin 15 passes through threaded connection with stop nut 16.
The invention can fasten the bolt in the horizontal direction by arranging the first socket wrench 4 and the hexagon wrench 6 which can rotate on the first insulating rod 1, and can drive the monkey wrench 9 to rotate by pushing the second insulating rod 2, thereby enabling the adjustable wrench 9 to drive the first socket wrench 4 or the hexagon wrench 6 to rotate for bolt fastening, the adjustable wrench 9 is connected with the hexagon wrench 6 through the spacing pin 15 and the spacing nut 16, meanwhile, the adjustable wrench 9 can be taken down from the hexagonal wrench 6, the second insulating rod 2 and the adjustable wrench 9 can be used independently, and the adjustable wrench can be suitable for bolts with different diameters, when the horseshoe lock 13 is installed, the first insulating rod 1 and the second insulating rod 2 are fixed relatively, the first insulating rod 1 serves as a rotating shaft, the second insulating rod 2 assists in rotating, and the second sleeve wrench 5 plays a role in rotating the fastening bolt; the bolt fastening device has the advantages of reasonable structure, good fastening effect and suitability for fastening bolts under various different conditions.

Claims (7)

1.一种带电螺栓紧固装置，它包括第一绝缘杆和第二绝缘杆，其特征在于：所述第一绝缘杆顶部设置有受力块，所述受力块左侧固定设置有第一套筒扳手，受力块上部设置有第二套筒扳手，受力块右侧设置有六角扳手，所述六角扳手和第一套筒扳手之间通过转动轴连接，所述转动轴设置在受力块内部的第四通孔内，转动轴通过轴承转动设置在第四通孔内，所述第一套筒扳手上还设置有第二通孔，所述六角扳手上设置有第三通孔，所述六角扳手上还设置有活动扳手，所述活动扳手的两个板齿与六角扳手接触，所述板齿上设置有第一通孔，所述第一通孔与六角扳手上的第三通孔对应，且第一通孔和第三通孔内贯穿有限位销，所述限位销两端设置有限位螺母，所述活动扳手底部设置有连接孔，所述连接孔内设置有连接架，所述连接架为直角架，连接架的底部设置在第二绝缘杆顶端处，所述连接架的另一端设置有凸块，所述第一绝缘杆和第二绝缘杆之间还设置有马蹄锁。1. A live bolt fastening device, comprising a first insulating rod and a second insulating rod, characterized in that: the top of the first insulating rod is provided with a force block, and the left side of the force block is fixedly provided with a second A socket wrench, a second socket wrench is arranged on the upper part of the force-receiving block, and a hexagonal wrench is arranged on the right side of the force-receiving block, the hexagonal wrench and the first socket wrench are connected by a rotating shaft, and the rotating shaft is arranged In the fourth through hole inside the force-receiving block, the rotating shaft is rotatably arranged in the fourth through hole through the bearing, the first socket wrench is also provided with a second through hole, and the hexagonal wrench is provided with a third through hole. The hexagonal wrench is also provided with an adjustable wrench, the two plate teeth of the adjustable wrench are in contact with the hexagonal wrench, the plate teeth are provided with a first through hole, and the first through hole is connected to the hexagonal wrench. The third through hole corresponds to the first through hole and the third through hole passes through a limit pin, the limit nut is provided at both ends of the limit pin, the bottom of the adjustable wrench is provided with a connection hole, and the connection hole is provided with There is a connecting frame, the connecting frame is a right-angle frame, the bottom of the connecting frame is arranged at the top end of the second insulating rod, the other end of the connecting frame is provided with a bump, between the first insulating rod and the second insulating rod There is also a horseshoe lock. 2.根据权利要求1所述的带电螺栓紧固装置，其特征在于：所述第二绝缘杆上方的活动扳手还可以设置在第一套筒扳手处，第一通孔与第二通孔相对应，且第一通孔和第二通孔内设置限位销，并通过限位螺母对限位销固定。2 . The live bolt fastening device according to claim 1 , wherein the adjustable wrench above the second insulating rod can also be set at the first socket wrench, and the first through hole and the second through hole are the same. 3 . Correspondingly, a limit pin is arranged in the first through hole and the second through hole, and the limit pin is fixed by a limit nut. 3.根据权利要求1所述的带电螺栓紧固装置，其特征在于：所述第一套筒扳手和第二套筒扳手设置有多个型号大小，可以更换第一套筒或者第二套筒的型号。3 . The live bolt tightening device according to claim 1 , wherein the first socket wrench and the second socket wrench are provided with multiple sizes, and the first socket or the second socket can be replaced. 4 . 's model. 4.根据权利要求2所述的带电螺栓紧固装置，其特征在于：所述第二绝缘杆和第一绝缘杆配合使用或者第二绝缘杆单独使用，配合使用时，第二绝缘杆顶部的活动扳手与六角扳手或者第一套筒扳手配合使用，此时第一绝缘杆和第二绝缘杆上的马蹄锁取下，推动第二绝缘杆实现第一套筒扳手或六角扳手的转动；装上马蹄锁时，第一绝缘杆和第二绝缘杆相对固定，以第一绝缘杆为转动轴，第二绝缘杆协助转动，此时第二套筒扳手起到转动紧固螺栓的作用；第二绝缘杆单独使用时，通过推动或拉动第二绝缘杆，实现活动扳手直接对螺栓的紧固。4. The live bolt fastening device according to claim 2, wherein the second insulating rod is used in conjunction with the first insulating rod or the second insulating rod is used alone. The adjustable wrench is used in conjunction with the hexagonal wrench or the first socket wrench. At this time, the horseshoe locks on the first insulating rod and the second insulating rod are removed, and the second insulating rod is pushed to realize the rotation of the first socket wrench or the hexagonal wrench; When the horseshoe lock is installed, the first insulating rod and the second insulating rod are relatively fixed, the first insulating rod is used as the rotation axis, and the second insulating rod assists the rotation. At this time, the second socket wrench plays the role of rotating the tightening bolt; When the two insulating rods are used alone, the adjustable wrench can directly tighten the bolts by pushing or pulling the second insulating rods. 5.根据权利要求1所述的带电螺栓紧固装置，其特征在于：所述连接架相对连接孔转动设置，连接架上的凸块能够防止活动扳手脱落。5 . The live bolt tightening device according to claim 1 , wherein the connecting frame is rotatably arranged relative to the connecting hole, and the projections on the connecting frame can prevent the adjustable wrench from falling off. 6 . 6.根据权利要求1所述的带电螺栓紧固装置，其特征在于：所述马蹄锁上设置有锁环，锁环内设置第一绝缘杆和第二绝缘杆。6 . The live bolt fastening device according to claim 1 , wherein a lock ring is arranged on the horseshoe lock, and a first insulating rod and a second insulating rod are arranged in the lock ring. 7 . 7.根据权利要求1所述的带电螺栓紧固装置，其特征在于：所述限位销的长度能够满足活动扳手板齿的最大位移限度，限位销与限位螺母通过螺纹连接。7 . The live bolt fastening device according to claim 1 , wherein the length of the limit pin can meet the maximum displacement limit of the plate teeth of the adjustable wrench, and the limit pin and the limit nut are connected by threads. 8 .
CN202210120253.7A 2022-02-09 2022-02-09 Electrified bolt fastening device Pending CN114473936A (en)

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CN202210120253.7A CN114473936A (en) 2022-02-09 2022-02-09 Electrified bolt fastening device

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CN101293345A (en) * 2008-06-12 2008-10-29 湖南省嘉禾县湘江工具厂 Adjustable wrench with glue handle
JP2013103315A (en) * 2011-11-16 2013-05-30 Kakudai:Kk Faucet fixing nut turning tool
KR20140005618U (en) * 2013-04-23 2014-10-31 이강주 Bolt fastening tool
CN103350407A (en) * 2013-07-12 2013-10-16 夏望红 Multifunctional adjustable wrench
CN203622303U (en) * 2013-09-18 2014-06-04 浙江吉利控股集团有限公司 Multi-size inner and outer hexagonal socket wrench
CN104669184A (en) * 2015-03-26 2015-06-03 国网河南省电力公司商丘供电公司 Inner driving 90-degree socket spanner
CN206273516U (en) * 2016-11-17 2017-06-23 国网新疆电力公司和田供电公司 Livewire work rocking arm spanner
CN209175645U (en) * 2018-11-08 2019-07-30 国网河南省电力公司巩义市供电公司 It can livewire work electric wrench

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Application publication date: 20220513