CN110977854B - A kind of spanner - Google Patents
A kind of spanner Download PDFInfo
- Publication number
- CN110977854B CN110977854B CN201911395196.8A CN201911395196A CN110977854B CN 110977854 B CN110977854 B CN 110977854B CN 201911395196 A CN201911395196 A CN 201911395196A CN 110977854 B CN110977854 B CN 110977854B
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- China
- Prior art keywords
- sleeve
- joint
- shaft
- wrench
- transmission shaft
- 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.)
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Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 38
- 238000009413 insulation Methods 0.000 claims description 10
- 239000012212 insulator Substances 0.000 claims description 10
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 9
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 9
- 241001330002 Bambuseae Species 0.000 claims description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 9
- 239000011425 bamboo Substances 0.000 claims description 9
- 210000001503 joint Anatomy 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 206010014357 Electric shock Diseases 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- 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
- B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
- B25B21/002—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose for special purposes
-
- 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
- B25B23/0007—Connections or joints between tool parts
- B25B23/0028—Angular adjustment means between tool head and handle
Abstract
The invention discloses a wrench, which comprises a flexible shaft, a transmission shaft and an electric wrench, wherein the flexible shaft is sleeved with a sleeve, the sleeve is a hose, the flexible shaft is provided with a first limiting component for preventing the flexible shaft from being separated from the sleeve, the transmission shaft is sleeved with an insulating rod, the transmission shaft is provided with a second limiting component for preventing the transmission shaft from being separated from the sleeve, one end of the flexible shaft is provided with a sleeve head, the other end of the flexible shaft is connected with the transmission shaft, the other end of the transmission shaft is connected with an output shaft of the electric wrench, one end of the sleeve is sleeved at the tail of the sleeve head, the other end of the sleeve is connected with the top end of the insulating rod, the tightening work of a disconnecting.
Description
Technical Field
The invention relates to the technical field of electrical equipment, in particular to a wrench.
Background
An open type disconnecting switch is important switch equipment of a transformer substation electrical system, after a disconnecting switch of the disconnecting switch is loosened, the disconnecting switch can be heated, and then the disconnecting switch is heated, if the disconnecting switch is heated untimely, the disconnecting switch can be fused and burnt, an arc light circuit is generated, a breaker is tripped, and therefore stable operation of a power grid is affected, and therefore when the disconnecting switch is heated, an effective special corresponding tool capable of being operated and used on site is needed, and a disconnecting switch bolt is fastened in time.
Chinese patent application No. CN105313063B discloses a special insulating sleeve head based on an electric wrench, which includes a first sleeve head and a second sleeve head, wherein the upper end of the first sleeve head is fixed to the electric wrench in a matching manner. The lower end of the second sleeve head is fixedly connected with the insulating rod, the lower end of the first sleeve head is connected with the upper end of the second sleeve head in a rotating fit mode, the first sleeve head and the second sleeve head are relatively fixed through claw screws, a left through hole and a right through hole are respectively formed in the left side and the right side of the second sleeve head, the two first screws respectively penetrate through the left through hole and the right through hole, the left relative position and the right relative position of the first sleeve head are finely adjusted through the first screws, and the left relative position and the right relative position of the electric wrench are driven to be adjusted.
Chinese patent application publication No. CN109093550A discloses a novel electric wrench for fastening a drainage plate bolt, which includes a fixing bolt mechanism that is clamped on both sides of the bolt and can prevent a nut from rotating, an electric wrench for driving the nut to rotate so as to screw the nut on a drainage plate, an insulating rod for realizing remote insulation operation, and a pneumatic switch for driving the electric wrench to work, wherein the fixing bolt mechanism is installed right above the electric wrench, the insulating rod is installed below the electric wrench, and the pneumatic switch is electrically connected with the electric wrench, so that the remote manual and electric fastening effects on the drainage plate bolt can be realized under the condition of no power outage, but a sleeve head of the electric wrench is vertically upward, and the screwing work on the knife gate bolt cannot be completed.
Disclosure of Invention
In view of the above, the present invention provides an electric wrench to enable an operator to complete the tightening of a knife switch bolt at ground potential without power outage, and the electric wrench has the advantages of good safety and high working efficiency.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a wrench, includes flexible axle, transmission shaft and electric spanner, cup joint the sleeve on the flexible axle, the sleeve is the hose, set up on the flexible axle and prevent that the flexible axle from breaking away from telescopic spacing subassembly one, cup joint the insulator spindle on the transmission shaft, set up on the transmission shaft and prevent that the transmission shaft from breaking away from telescopic spacing subassembly two, flexible axle one end sets up the cover head, and the transmission shaft is connected to the other end, the transmission shaft other end and electric spanner's output shaft, sleeve one end cup joints at cover head afterbody, and the other end is connected with the insulator spindle top.
Furthermore, sleeve both ends set up spacing section of thick bamboo and joint one respectively, spacing section of thick bamboo cup joints on the afterbody of sleeve head, insulator spindle one end sets up joint two, connect two and be connected with joint one, the lateral wall of spacing section of thick bamboo rotates and connects on the insulation board, the lateral wall that connects two passes through locating component and can dismantle with the insulation board and be connected, set up a plurality of and locating component assorted locating holes on the insulation board.
Furthermore, the second connector is detachably connected with the first connector, and the flexible shaft is in butt joint with the transmission shaft through a key groove.
Furthermore, a third connector is arranged on the electric drill and sleeved outside the output shaft, and the bottom end of the insulating rod is connected with the third connector.
Furthermore, a first hexagonal sleeve is arranged on the output shaft, a first hexagonal rod is arranged at the other end of the transmission shaft, the first hexagonal rod is inserted into the first hexagonal sleeve, a fourth joint is arranged at the bottom end of the insulating rod, and a third joint and the fourth joint are detachably connected.
Furthermore, an insulating layer is arranged outside the joint.
Further, set up the camera on the sleeve, camera electric connection display screen, the display screen sets up on the insulator spindle.
The isolating switch can generate heat due to a plurality of reasons in operation, for example, the equipment runs for a long time, the equipment vibrates, materials are rusted, the lap joint surfaces of moving and static contacts are not enough, all parts are in poor contact, the weather is hot, the equipment can generate heat frequently, a plurality of equipment and a plurality of point positions of the equipment can generate heat simultaneously in a transformer substation, the equipment is subjected to power failure treatment by a common treatment method, but the power failure time is extremely limited in order to maintain the stability of a power grid, and the heat treatment work is very nervous and urgent under the condition. After the summary of the main reasons for the heating of the disconnecting link by the maintenance professional, it is found that 60% to 80% of the cases are caused by the loosening of the disconnecting link bolt, and under the condition of no power outage, the disconnecting link bolt on the equipment is likely to have higher voltage, and in such a case, the risk of electric shock exists when the disconnecting link bolt is screwed, which causes great damage to the personal safety of the operator, so that the technical personnel in the field cannot easily think that the maintenance of the disconnecting switch is carried out under the condition of no power outage.
The invention has the beneficial effects that:
1. the electric wrench is started, the output shaft of the electric wrench provides power, torque is transmitted to the flexible shaft through the transmission shaft, and the matching of the flexible shaft and the hose sleeve changes the torque transmission path of the electric wrench, so that the sleeve head can be clamped with the disconnecting link bolts in different directions to tighten the disconnecting link bolts, manual operation is not needed, and the tightening efficiency is high; the arrangement of the sleeve and the insulating rod can transmit the torque generated by the output shaft to a higher position, the arrangement of the first limiting component and the second limiting component ensures the effectiveness and reliability of torque transmission, an operator can complete operation on the ground without contacting an isolating switch in a short distance, and the safety factor is high; the operation only needs two people, and alone handheld insulator spindle, another people control electric spanner, easy operation, and insulator spindle and electric spanner's shell all is electrically conductively inextricable, even the operation can not take place to electrocute danger under the circumstances of not having a power failure, greatly increased factor of safety.
2. The sleeve is a hose, and can be bent at a large angle at will without influencing power transmission; the lateral wall of spacing section of thick bamboo rotates to be connected on the insulation board, the lateral wall that connects two passes through locating component and can dismantle with the insulation board and be connected, set up a plurality ofly on the insulation board with locating component assorted locating hole, the position of the locating hole that connects two installations is different, the orientation of spacing section of thick bamboo is also different, because spacing section of thick bamboo cup joints on the afterbody of collet head, spacing section of thick bamboo can be when not influencing the rotatory orientation of collet head, consequently can realize the screwing up to different position bolts, the practicality is stronger.
3. The connector II is detachably connected with the connector I, the flexible shaft and the transmission shaft are in butt joint through key grooves, the structure is simple, the slippage is not prone to occurring, the power transmission effect is good, the corresponding sleeve heads can be replaced according to the requirements of different bolts, and the application range is enlarged.
4. Set up on the electric spanner and connect three, connect three cup joints outside the output shaft, the insulator spindle bottom is connected with connecting three, and the output shaft is located and connects three and the insulator spindle, can not touched by the operation personnel mistake, improves the security.
5. The output shaft is provided with a first hexagonal sleeve, the other end of the transmission shaft is provided with a first hexagonal rod, and the first hexagonal rod is inserted into the first hexagonal sleeve, so that power transmission is realized, and the mounting is convenient; the third joint and the fourth joint are detachably connected, so that the electric wrench is convenient to take down and carry.
6. The insulating layer is arranged outside the four joints, so that in the process of live working, an operator can be prevented from touching the four joints unintentionally, electric shock hazard is caused, and the safety factor is increased.
7. Set up the camera on the sleeve, camera electric connection display screen, the display screen sets up on the insulator spindle, and the scene of shooing in the operation personnel accessible display screen observation camera, accurate positioning bolt position improves the operating efficiency.
Drawings
FIG. 1 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 2 is a schematic view of a sleeve head and its connection assembly;
FIG. 3 is a schematic view of a first connector and a connecting assembly thereof;
FIG. 4 is a schematic structural view of a second connector and a connecting assembly thereof;
FIG. 5 is a schematic structural view of a connector IV and a connecting assembly thereof;
FIG. 6 is a schematic structural view of a third joint and a connecting assembly thereof;
FIG. 7 is a schematic structural diagram of a second embodiment of the present invention;
FIG. 8 is a schematic structural view of a third embodiment of the present invention;
FIG. 9 is a schematic structural view of a fourth embodiment of the present invention;
FIG. 10 is a schematic structural diagram of a fifth embodiment of the present invention;
FIG. 11 is a schematic structural diagram of a sixth embodiment of the present invention;
wherein, 1-flexible shaft, 2-transmission shaft, 3-electric wrench, 4-sleeve, 5-insulating rod, 6-sleeve head, 7-output shaft, 8-joint I, 9-joint II, 10-joint III, 11-joint IV, 12-limit cylinder, 13-insulating plate, 14-positioning hole, 15-hexagonal sleeve I, 16-hexagonal rod I, 17-insulating layer, 18-camera, 19-display screen, 20-half-thread bolt, 21-cylindrical I, 22-key slot, 23-fixing piece, 24-cylindrical II, 25-flat key, 26-cylindrical III, 27-hexagonal rod II, 28-hexagonal sleeve II, 29-rubber layer, 30-bearing I, 31-bearing II, 32-bearing III, 33-joint five.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
As shown in fig. 1-6, a first embodiment of the present invention is an electric wrench, which includes a flexible shaft 1, a transmission shaft 2 and an electric wrench 3, wherein the transmission shaft 2 is a round steel shaft, the flexible shaft 1 is sleeved with a sleeve 4, the sleeve 4 is an insulating hose made of rubber, as shown in fig. 2, the top end of the flexible shaft 1 is provided with a sleeve head 6 by welding and the like, the sleeve head 6 is an inner hexagonal sleeve head, several flexible shafts can be prepared, other sleeve heads with different models are arranged at the top ends of the flexible shafts, a limiting cylinder 12 is pressed at the top end of the sleeve 4, the limiting cylinder 12 is sleeved at the tail end of the sleeve head 6, a first steel cylinder 21 is welded at the bottom end of the flexible shaft 1, as shown in figure 3, a key groove 22 is cut at the center of the lower part of the first cylinder 21 through a cutting machine, the first cylinder 21 and the sleeve head 6 can be used as a first limiting component for preventing the flexible shaft 1 from separating from the sleeve 4, and the outer diameters of the first cylinder 21 and the lower part of the sleeve head 6 are larger than that of the sleeve 4. The bottom end of the sleeve 4 is connected with a first joint 8 in a pressing mode, and external threads are machined on the outer peripheral surface of the lower portion of the first joint 8 through a lathe. As shown in figure 1, the sleeve 4 is arranged on the insulating plate 13, the insulating plate 13 is made of epoxy resin, as shown in figure 2, a half-thread bolt 20 is vertically welded on the side wall of the limiting cylinder 12, a first through hole is punched at one end of the insulating plate 13 through a punching machine, and a nut is installed after the half-thread bolt 20 is inserted into the through hole. As shown in fig. 3, a fixing plate 23 is welded on the side wall of the first joint 8, through holes two are respectively arranged on the fixing plates 23 on the two sides of the first joint 8, 10 groups of positioning holes 14 matched with the through holes two are arranged on the insulating plate 13, a positioning component is arranged between the through holes two and the corresponding positioning holes 14, the positioning component is a bolt, the bolt is inserted into the positioning holes 14 and the through holes two, and then a nut is arranged at the other end of the bolt. The insulating rod 5 is a hollow round rod made of epoxy resin, and the transmission shaft 2 is inserted in the insulating rod 5. As shown in fig. 4, a steel cylinder 24 is welded on the top end of the transmission shaft 2, and a flat key 25 matched with the key groove 22 is vertically welded on the top surface of the cylinder 24. And the top end of the insulating rod 5 is press-fitted with a second joint 9, and an internal thread matched with the external thread of the first joint 8 is machined on the inner wall of the second joint 9 through a lathe. As shown in fig. 5, a third cylinder 26 is welded at the bottom end of the transmission shaft 2, a second cylinder 24 and a third cylinder 26 can be used as a second limiting component for preventing the transmission shaft 2 from separating from the insulating rod 5, the outer diameters of the second cylinder 24 and the third cylinder 26 are larger than that of the insulating rod 5, a first steel hexagonal rod 16 is welded on the bottom surface of the third cylinder 26, a fourth joint 11 is externally pressed at the bottom end of the insulating rod 5, and an internal thread is machined in the fourth joint 11 through a lathe. As shown in fig. 6, a first hexagonal socket 15 matched with a first hexagonal rod 16 is installed at the top end of the output shaft 7 of the electric wrench 3 in a welding mode or the like, a third connector 10 is fixed on the outer shell of the electric wrench 3 through glue, the third connector 10 is sleeved outside the output shaft 7 and the first hexagonal socket 15, and an external thread matched with an internal thread of the fourth connector 11 is machined at the top end of the third connector 10 through a lathe.
During installation, the fixing piece 23 is fixed in the proper positioning hole 14 through a bolt, the flat key 25 is inserted into the key groove 22, the first connector 8 is screwed into the second connector 9, the first hexagonal rod 16 is inserted into the first hexagonal sleeve 15, and the third connector 10 is screwed into the fourth connector 11. During the use, the insulating rod is handed to a staff, matches the top of cover barrel head 6 with the switch bolt that needs to be screwed up, and electric spanner 3 is controlled to another staff, realizes the screwing up to the switch bolt. When the knife switch bolts of different models need to be screwed down, different sleeve heads 6 can be replaced according to the needs.
Example two
Referring to fig. 7, a second embodiment of the present invention is shown, a first bearing 30 is welded on the outer circumferential surface of a first cylinder 21, and the outer circumferential surface of the first bearing 30 is welded in a first joint 8; the peripheral surface of the second cylinder 24 is welded with a second bearing 31, and the peripheral surface of the outer ring of the second bearing 31 is welded in the second joint 9; the outer peripheral surface of the third cylinder 26 is provided with a third bearing 32 in a welding mode through glue and the like, the outer ring peripheral surface of the third bearing 32 is welded in the fourth joint 11, and the first bearing 30, the second bearing 31 and the third bearing 32 are all tapered roller bearings.
EXAMPLE III
As shown in fig. 8, a third embodiment of the present invention is different from the first embodiment in that the camera 18 is mounted at the left end of the sleeve by winding an adhesive tape, the hoop is fixed on the display 19 by gluing, the hoop is fixed on the insulating rod 5 by a bolt, the connecting wire is fixed on the sleeve 4 and the insulating rod 5 by an adhesive tape, so as to prevent the connecting wire from affecting the normal operation of the wrench, and the model of the camera 18 and the display 19 is HXR-MC 1P.
Example four
As shown in fig. 9, a fourth embodiment of the present invention is different from the first embodiment in that, due to the higher position of the device, two insulating rods 5 with transmission shafts 2 inside need to be spliced together, a third cylinder 26 is welded at the bottom end of the transmission shaft 2 located above, a second hexagonal rod 27 is welded at the bottom end of the third cylinder 26, a second cylinder 24 is welded at the top end of the transmission shaft 7 located below, a second hexagonal socket 28 matched with the second hexagonal rod 27 is welded at the top surface of the second cylinder 24, a fourth crimping joint 11 is welded at the bottom end of the insulating rod 5 located above, a fifth crimping joint 33 is welded at the top end of the insulating rod 5 located below, the fifth joint 33 is completely the same as the third joint 10, and during splicing, the second hexagonal rod 27 is inserted into the second hexagonal socket 28, and the fifth joint 33 is screwed into.
EXAMPLE five
As shown in fig. 10, a fifth embodiment of the present invention is different from the first embodiment in that a rubber layer 29 is fixed on the outer peripheral surface of a connector four 11 by gluing, so as to further reduce the electric shock risk.
EXAMPLE six
As shown in fig. 11, a fifth embodiment of the present invention is different from the first embodiment in that the sleeve 4 is a metal flexible hose, and the rubber layer 29 is fixed on the outer circumferential surface of the sleeve 4 by glue, and the metal flexible hose can be bent into a certain shape in a three-dimensional space and can maintain the shape, so that an insulating plate is not required.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent substitutions made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. The wrench is characterized by comprising a flexible shaft (1), a transmission shaft (2) and an electric wrench (3), wherein the flexible shaft (1) is sleeved with a sleeve (4), the sleeve (4) is a hose, the flexible shaft (1) is provided with a first limiting component for preventing the flexible shaft (1) from being separated from the sleeve (4), the transmission shaft (2) is sleeved with an insulating rod (5), the transmission shaft (2) is provided with a second limiting component for preventing the transmission shaft (2) from being separated from the insulating rod (5), one end of the flexible shaft (1) is provided with a sleeve head (6), the other end of the flexible shaft is connected with the transmission shaft (2), the other end of the transmission shaft (2) is connected with an output shaft (7) of the electric wrench (3), one end of the sleeve (4) is sleeved on the tail of the sleeve head (6), the other end of the sleeve is connected with the top end of the insulating rod (5), two ends of the sleeve (4, spacing section of thick bamboo (12) cup joint on the afterbody of cover barrel head (6), insulator spindle (5) one end sets up and connects two (9), connect two (9) and connect one (8) and be connected, the lateral wall of spacing section of thick bamboo (12) rotates and connects on insulation board (13), the lateral wall that connects two (9) passes through locating component and can dismantle with insulation board (13) and be connected, set up a plurality ofly on insulation board (13) and locating component assorted locating hole (14).
2. A wrench as claimed in claim 1, wherein said second joint (9) is detachably connected to said first joint (8), and said flexible shaft (1) is in key-way butt joint with said drive shaft (2).
3. A wrench as claimed in claim 1, wherein the electric wrench (3) is provided with a third joint (10), the third joint (10) is sleeved outside the output shaft (7), and the bottom end of the insulating rod (5) is connected with the third joint (10).
4. A wrench as claimed in claim 3, wherein a first hexagonal socket (15) is provided on the output shaft (7), a first hexagonal rod (16) is provided at the other end of the transmission shaft (2), the first hexagonal rod (16) is inserted into the first hexagonal socket (15), a fourth joint (11) is provided at the bottom end of the insulating rod (5), and the third joint (10) is detachably connected with the fourth joint (11).
5. A wrench as claimed in claim 4, characterised in that the joint (11) is provided with an insulating layer (17) on the outside.
6. A wrench as claimed in claim 1, characterized in that a camera (18) is arranged on said sleeve (4), said camera (18) being electrically coupled to a display screen (19), said display screen (19) being arranged on the insulating rod (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911395196.8A CN110977854B (en) | 2019-12-30 | 2019-12-30 | A kind of spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911395196.8A CN110977854B (en) | 2019-12-30 | 2019-12-30 | A kind of spanner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110977854A CN110977854A (en) | 2020-04-10 |
| CN110977854B true CN110977854B (en) | 2021-03-30 |
Family
ID=70078931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911395196.8A Active CN110977854B (en) | 2019-12-30 | 2019-12-30 | A kind of spanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110977854B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112421492A (en) * | 2020-10-26 | 2021-02-26 | 国网新疆电力有限公司吐鲁番供电公司 | Improved tool special for electrified fastening insulator |
| CN112757206A (en) * | 2021-01-06 | 2021-05-07 | 四川九洲电器集团有限责任公司 | Impact-resistant automatic tightening wrench and self-tightening method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991010539A1 (en) * | 1990-01-22 | 1991-07-25 | Kenneth Roy Wildbur | Nut runner tooling |
| DE29901289U1 (en) * | 1999-01-26 | 1999-06-24 | Liu Kuo Chen | Hose wrench |
| CN200954612Y (en) * | 2006-10-19 | 2007-10-03 | 江苏省徐州锻压机床厂 | Quick-acting screw driver |
| KR200441527Y1 (en) * | 2006-10-18 | 2008-08-22 | 박병섭 | A curved screw driver |
| CN201872114U (en) * | 2010-11-09 | 2011-06-22 | 山东电力集团公司枣庄供电公司 | Power assisted wrench |
| CN206048034U (en) * | 2016-07-18 | 2017-03-29 | 国网山东省电力公司聊城供电公司 | A kind of converting equipment bolt live clamp device |
| CN206169955U (en) * | 2016-09-08 | 2017-05-17 | 许继（厦门）智能电力设备股份有限公司 | Universal flexible axle and universal flexible axle electric screw driver |
-
2019
- 2019-12-30 CN CN201911395196.8A patent/CN110977854B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991010539A1 (en) * | 1990-01-22 | 1991-07-25 | Kenneth Roy Wildbur | Nut runner tooling |
| DE29901289U1 (en) * | 1999-01-26 | 1999-06-24 | Liu Kuo Chen | Hose wrench |
| KR200441527Y1 (en) * | 2006-10-18 | 2008-08-22 | 박병섭 | A curved screw driver |
| CN200954612Y (en) * | 2006-10-19 | 2007-10-03 | 江苏省徐州锻压机床厂 | Quick-acting screw driver |
| CN201872114U (en) * | 2010-11-09 | 2011-06-22 | 山东电力集团公司枣庄供电公司 | Power assisted wrench |
| CN206048034U (en) * | 2016-07-18 | 2017-03-29 | 国网山东省电力公司聊城供电公司 | A kind of converting equipment bolt live clamp device |
| CN206169955U (en) * | 2016-09-08 | 2017-05-17 | 许继（厦门）智能电力设备股份有限公司 | Universal flexible axle and universal flexible axle electric screw driver |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110977854A (en) | 2020-04-10 |
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