CN113381338A - Portable handheld device for debugging network equipment of power system - Google Patents
Portable handheld device for debugging network equipment of power system Download PDFInfo
- Publication number
- CN113381338A CN113381338A CN202110569728.6A CN202110569728A CN113381338A CN 113381338 A CN113381338 A CN 113381338A CN 202110569728 A CN202110569728 A CN 202110569728A CN 113381338 A CN113381338 A CN 113381338A
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- fixedly connected
- power system
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- 238000009434 installation Methods 0.000 claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 6
- 244000309464 bull Species 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 5
- 230000009471 action Effects 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000035900 sweating Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
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Abstract
The invention discloses a convenient handheld device for debugging network equipment of a power system, which comprises an installation block, wherein an equipment box is fixedly installed on the left side wall of the installation block, a first groove is formed in the right side wall of the installation block, supporting columns are symmetrically and fixedly connected to the inner bottom wall of the first groove, a rectangular frame is fixedly connected to the right ends of the two supporting columns together, and an auxiliary clamping mechanism is arranged on the rectangular frame. According to the invention, the hand guard plate is matched with the fan to the back of the hand, so that a user can better hold the equipment, the locking plate I, the locking plate II and the locking ring form a closed loop, the equipment is hung on the wire, and the hands of the user are released, thereby preventing the physical strength of the user from being reduced due to the fact that the equipment is held by the hand at high altitude for a long time to perform detection work, influencing the working efficiency, and the threaded rod drives the threaded rod to slide to be attached to the inner wall of the limiting groove, so that the locking ring is locked, and the safety of the equipment is ensured.
Description
Technical Field
The invention relates to the technical field of power system network equipment debugging, in particular to a convenient handheld device for debugging power system network equipment.
Background
The electric power system is an electric energy production and consumption system which consists of links such as power generation, power transmission, power transformation, power distribution, power utilization and the like. The function of the device is to convert the primary energy of the nature into electric energy through a power generation device, and then supply the electric energy to each user through power transmission, power transformation and power distribution. In order to realize the function, the power system is also provided with corresponding information and control systems at each link and different levels, and the production process of the electric energy is measured, regulated, controlled, protected, communicated and scheduled so as to ensure that users obtain safe, economic and high-quality electric energy.
The problem that current electric power system network debugging equipment is difficult to carry exists to workman has long-time handheld device to lead to the palm to sweat when using portable equipment in the shop, and then influences the dynamics of holding equipment tightly, and electric power workman is in high altitude construction, because long-time handheld device leads to physical power to descend, can influence the efficiency of work on the one hand, and on the other hand can bring out the incident problem.
To this end, we propose a portable handheld device for power system network equipment commissioning.
Disclosure of Invention
The invention aims to solve the problems in the background art and provides a convenient handheld device for debugging network equipment of a power system.
In order to achieve the purpose, the invention adopts the following technical scheme:
a portable handheld device for debugging network equipment of a power system comprises an installation block, wherein an equipment box is fixedly installed on the left side wall of the installation block, a handle is fixedly installed on the upper side wall of the installation block, a first groove is formed in the right side wall of the installation block, support columns are symmetrically and fixedly connected to the inner bottom wall of the first groove, a rectangular frame is fixedly connected to the right ends of the two support columns together, an auxiliary clamping mechanism is arranged on the rectangular frame, a first locking plate and a second locking plate are symmetrically and fixedly connected to the lower side wall of the installation block, a locking ring extending into the first locking plate is slidably inserted into the right side wall of the first locking plate, a first sliding groove communicated with the first locking ring is formed in the front side wall of the first locking plate, a connecting column extending to the front side of the first locking plate is fixedly connected to the outer wall of the front side wall of the first locking plate, and a second sliding groove is formed in both the upper side wall and the lower side wall of the first locking plate, two the equal sliding connection pulley of inner wall of spout two, two the preceding lateral wall of pulley all rotates and is connected with the pivot, the preceding lateral wall fixedly connected with mounting panel of spliced pole, the last lateral wall of mounting panel overlaps respectively with the equal fixedly connected with of lower lateral wall and establishes at the outside carriage of two pivots, is located with one side the equal fixedly connected with of inner wall of carriage slides and inserts and establish the guide post in the pivot, is located with one side the outer wall of pivot and a lateral wall that the carriage is close to between the equal fixedly connected with sliding connection cover establish the spring two on the guide post outer wall between the mounting panel, the preceding lateral wall threaded connection of mounting panel has the threaded rod, the outer wall threaded connection of threaded rod has the lantern ring, the outer wall symmetry of the lantern ring rotates and is connected with the bull stick, two the tip that the bull stick was kept away from mutually rotates with the outer wall of pivot respectively and is connected.
Preferably, supplementary fixture is including sliding to insert and being equipped with the carriage release lever on the rectangle frame, the lower extreme fixedly connected with baffle of carriage release lever, fixedly connected with slip cover is established at the spring one on the carriage release lever outer wall between the last lateral wall of baffle and the downside outer wall of rectangle frame, the top fixedly connected with finger guard of carriage release lever.
Preferably, the inner bottom wall of the first groove is fixedly embedded with a fan positioned between the two support columns.
Preferably, the finger guard is the arc setting, and cooperatees with the back of the hand, five recess two have been seted up to the last lateral wall of finger guard, five the equal fixed mounting of the inner wall of recess two and the last lateral wall of finger guard has the protection pad.
Preferably, one side of the first locking plate opposite to the second locking plate is provided with a third sliding groove matched with the locking ring.
Preferably, the front side wall of the pulley positioned on the same side is fixedly embedded with a bearing, and the inner ring of the bearing is fixedly connected with the outer wall of the rotating shaft.
Preferably, two the right-hand member inner wall of spout one all seted up with two pulley assorted spacing grooves.
Compared with the prior art, the portable handheld device for debugging the network equipment of the power system has the advantages that:
1. the hand-held type hand-holding device is provided with a rectangular frame, a supporting column, a fan, a baffle, a moving rod, a spring and a hand guard plate, when the hand-held type hand-holding device is used in a hand-held mode, the baffle is pulled downwards to drive the moving rod and the hand guard plate to move downwards, meanwhile, a first spring is stretched to enable the space between the hand guard plate and the inner wall of the upper side of the rectangular frame to be large, the side column of the rectangular frame located above the hand guard plate is held tightly by a hand, at the moment, the baffle is loosened, under the elastic action of the first spring, the hand guard plate is driven to move towards the back of the hand and is close to the back of the hand, a user can more stably hold the device, the heat dissipation of the hand can be accelerated due to the arrangement of the fan, and the force of the holding device is prevented from being influenced by hand sweating;
2. the locking plate I and the locking plate II are sleeved on the outer wall of a conducting wire when the locking ring is not triple-combined with the sliding groove in the locking plate II, then the connecting column is rotated anticlockwise to drive the locking ring to be overlapped with the sliding groove III in the locking plate II, so that the locking plate I and the locking plate II form a closed loop, equipment is hung on the conducting wire, the hands of a user are liberated, and the situation that the physical strength of the user is reduced due to the fact that the equipment is held by hands at high altitude for a long time to perform detection work is avoided, and further the safety, the working efficiency and the life safety of the equipment are affected;
3. the pulley, the rotating shaft, the connecting frame, the guide post, the rotating rod and the threaded rod are arranged, when the connecting post moves to the rightmost end of the first sliding groove, the pulley also moves to the limiting groove, the threaded rod is screwed clockwise at the moment, the lantern ring is driven to move in the direction away from the mounting plate, the rotating rod is driven to rotate in the direction close to the threaded rod, the rotating shaft and the pulley are driven to move in the direction close to the inner wall of the limiting groove, the pulley abuts against the inner wall of the limiting groove, the locking ring is locked, the first locking plate and the second locking plate are guaranteed to be in a closed loop state all the time, and the safety of equipment is further guaranteed;
in conclusion, the hand guard plate is matched with the fan to the back of the hand, a user can better hold the equipment, the locking plate I, the locking plate II and the locking ring form a closed loop, the equipment is hung on the wire, the hands of the user are released, the physical strength of the user is prevented from being reduced due to the fact that the user holds the equipment for a long time at high altitude to perform detection work, the working efficiency is influenced, the threaded rod drives the threaded rod to slide to be attached to the inner wall of the limiting groove, the locking ring is locked, and the safety of the equipment is guaranteed.
Drawings
Fig. 1 is a perspective view of a portable handheld device for debugging a network device of an electric power system according to the present invention;
fig. 2 is a bottom view of a portable handheld device for debugging a network device of an electric power system according to the present invention;
fig. 3 is a partially enlarged perspective view of a portable handheld device for debugging a network device of an electrical power system according to the present invention;
fig. 4 is a schematic structural diagram of a connection portion between the second sliding groove, the pulley and the limiting groove in the portable handheld device for debugging the network device of the power system according to the present invention.
In the figure: the device comprises an installation block 1, a device box 2, a groove I3, a support column 4, a rectangular frame 5, a movable rod 6, a baffle 7, a spring I8, a hand guard 9, a groove II 10, a fan 11, a handle 12, a lock plate I13, a lock plate II 14, a lock ring 15, a slide groove I16, a connecting column 17, an installation plate 18, a slide groove II 19, a pulley 20, a rotating shaft 21, a connecting frame 22, a guide column 23, a spring II 24, a rotating rod 25, a threaded rod 26 and a limiting groove 27.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-4, a portable handheld device for debugging a network device of an electric power system comprises an installation block 1, a device box 2 is fixedly installed on the left side wall of the installation block 1, a handle 12 is fixedly installed on the upper side wall of the installation block 1, a first groove 3 is formed in the right side wall of the installation block 1, support columns 4 are symmetrically and fixedly connected to the inner bottom wall of the first groove 3, a fan 11 positioned between the two support columns 4 is fixedly embedded in the inner bottom wall of the first groove 3, a rectangular frame 5 is fixedly connected to the right ends of the two support columns 4 together, an auxiliary clamping mechanism is arranged on the rectangular frame 5, the auxiliary clamping mechanism comprises a moving rod 6 which is slidably inserted on the rectangular frame 5, a baffle 7 is fixedly connected to the lower end of the moving rod 6, and a first spring 8 which is slidably sleeved on the outer wall of the moving rod 6 is fixedly connected between the upper side wall of the baffle 7 and the lower outer wall of the rectangular frame 5, the top end of the moving rod 6 is fixedly connected with a hand guard plate 9, the hand guard plate 9 is arranged in an arc shape and matched with the back of a hand, and five grooves II 10 are fixedly formed in the upper side wall of the hand guard plate 9;
the inner walls of the five second grooves 10 and the upper side wall of the hand guard plate 9 are fixedly provided with protective pads, the baffle 7 is pulled downwards to drive the movable rod 6 and the hand guard plate 9 to move downwards, meanwhile, the first spring 8 is stretched to enable the space between the hand guard plate 9 and the upper side inner wall of the rectangular frame 5 to be larger, then, a hand is used for tightly holding the side column of the rectangular frame 5 positioned above, at the moment, the baffle 7 is loosened to drive the hand guard plate 9 to move towards the back of the hand under the action of the elastic force of the first spring 8 and to be close to the back of the hand, so that a user can more stably hold the equipment, the fan 11 can accelerate the heat dissipation of the hand to avoid the influence of the hand sweating on the strength of the holding equipment, the lower side wall of the mounting block 1 is symmetrically and fixedly connected with a first locking plate 13 and a second locking plate 14, the right side wall of the first locking plate 13 is slidably inserted with a locking ring 15 extending into the first locking plate 13, and the outer walls of the locking ring 15, the first locking plate 13 and the second locking plate 14 are fixedly provided with insulating sleeves, the short circuit with the lead is avoided, and sliding grooves III matched with the locking rings 15 are formed in the opposite sides of the first locking plate 13 and the second locking plate 14;
the front side wall of the locking plate I13 is provided with a sliding groove I16 communicated with the locking ring 15, the outer wall of the front side wall of the locking ring 15 is fixedly connected with a connecting post 17 extending to the front of the locking plate I13, when the locking ring 15 is not triple-folded with the sliding groove in the locking plate II 14, the locking plate I13 and the locking plate II 14 are sleeved on the outer wall of a wire, and then the connecting post 17 is rotated anticlockwise to drive the locking ring 15 to coincide with the sliding groove III in the locking plate II 14, so that the locking plate I13 and the locking plate II 14 form a closed loop, further the equipment is hung on the wire, and the two hands of a user are released, thereby avoiding the physical strength reduction of the user due to the long-time detection work of high-altitude handheld equipment, and further influencing the safety, the working efficiency and the life safety of the equipment;
the upper side wall and the lower side wall of the first locking plate 13 are both provided with a second sliding groove 19, the inner walls of the second sliding grooves 19 are both connected with pulleys 20 in a sliding manner, the inner walls of the right ends of the first sliding grooves 16 are both provided with limiting grooves 27 matched with the two pulleys 20, the front side walls of the two pulleys 20 are both connected with a rotating shaft 21 in a rotating manner, the front side walls of the pulleys 20 positioned on the same side are both fixedly embedded with bearings, the inner rings of the bearings are both fixedly connected with the outer wall of the rotating shaft 21, the front side wall of the connecting column 17 is fixedly connected with a mounting plate 18, the upper side wall and the lower side wall of the mounting plate 18 are both fixedly connected with connecting frames 22 respectively sleeved outside the two rotating shafts 21, the inner walls of the connecting frames 22 positioned on the same side are both fixedly connected with guide columns 23 inserted on the rotating shaft 21 in a sliding manner, and a second spring 24 is fixedly connected between the outer wall of the rotating shaft 21 positioned on the same side and one side wall of the connecting frame 22 close to the mounting plate 18 and sleeved on the outer wall of the guide columns 23 in a sliding manner, the front side wall of the mounting plate 18 is in threaded connection with a threaded rod 26, and the outer wall of the threaded rod 26 is in threaded connection with a lantern ring;
the outer wall symmetry of the lantern ring is rotated and is connected with bull stick 25, the tip that two bull sticks 25 kept away from mutually rotates with the outer wall of pivot 21 respectively and is connected, when spliced pole 17 removed to spout one 16 rightmost end department, pulley 20 also removed to spacing groove 27 department simultaneously, revolve clockwise soon threaded rod 26 this moment, drive the direction that the mounting panel 18 was kept away from to the cover ring and remove, and then drive bull stick 25 and rotate to the direction that is close to threaded rod 26, and then drive pivot 21 and pulley 20 and remove to the inner wall direction that is close to spacing groove 27, make pulley 20 support the inner wall of tight spacing groove 27, thereby accomplish the locking to catch 15, guarantee that jam plate one 13 and jam plate two 14 are in the closed loop form all the time, further assurance the safety of equipment.
Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.
The operating principle of the present invention is now explained as follows:
when the device is used by hand, the baffle 7 is pulled downwards to drive the moving rod 6 and the hand guard plate 9 to move downwards, the spring I8 is stretched to enable the space between the hand guard plate 9 and the inner wall of the upper side of the rectangular frame 5 to be larger, the side column of the rectangular frame 5 positioned above is tightly held by hand, at the moment, the baffle 7 is loosened, the hand guard plate 9 is driven to move towards the direction of the back of the hand under the elastic action of the spring I8 and is close to the back of the hand, so that a user can more stably hold the device, the fan 11 can accelerate the heat dissipation of the hand, the force of holding the device is prevented from being influenced by the sweating of the hand, when the lock ring 15 is not in triple combination with the slide groove in the lock plate II 14, the lock plate I13 and the lock plate II 14 are sleeved on the outer wall of a lead, the connecting column 17 is rotated anticlockwise to drive the lock ring 15 to coincide with the slide groove III in the lock plate II 14, so that the lock ring I13 and the lock plate II 14 form a closed loop, and the device is hung on the lead, the hands of the user are liberated, so that the physical strength of the user is prevented from being reduced due to the fact that the user holds the equipment for a long time at high altitude for detection, and the safety, the working efficiency and the life safety of the equipment are further influenced;
when the connecting column 17 moves to the rightmost end of the first sliding chute 16, the pulley 20 also moves to the limiting groove 27, at the same time, the threaded rod 26 is screwed clockwise, the sleeve is driven to move towards the direction far away from the mounting plate 18, the rotating rod 25 is driven to rotate towards the direction close to the threaded rod 26, the rotating shaft 21 and the pulley 20 are driven to move towards the direction close to the inner wall of the limiting groove 27, the pulley 20 abuts against the inner wall of the limiting groove 27, the locking of the locking ring 15 is completed, the first locking plate 13 and the second locking plate 14 are guaranteed to be always in a closed loop state, and the safety of equipment is further guaranteed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. A convenient handheld device for debugging network equipment of an electric power system comprises an installation block (1) and is characterized in that an equipment box (2) is fixedly installed on the left side wall of the installation block (1), a handle (12) is fixedly installed on the upper side wall of the installation block (1), a first groove (3) is formed in the right side wall of the installation block (1), supporting columns (4) are symmetrically and fixedly connected to the inner bottom wall of the first groove (3), a rectangular frame (5) is fixedly connected to the right ends of the two supporting columns (4) together, an auxiliary clamping mechanism is arranged on the rectangular frame (5), a first lock plate (13) and a second lock plate (14) are symmetrically and fixedly connected to the lower side wall of the installation block (1), a lock ring (15) extending into the first lock plate (13) is inserted in a sliding mode through the right side wall of the first lock plate (13), and a first sliding groove (16) communicated with the lock ring (15) is formed in the front side wall of the first lock plate (13), the outer wall of the front side wall of the lock ring (15) is fixedly connected with a connecting column (17) extending to the front of the lock plate I (13), the upper side wall and the lower side wall of the lock plate I (13) are respectively provided with a sliding groove II (19), the inner walls of the two sliding grooves II (19) are respectively connected with a pulley (20) in a sliding manner, the front side walls of the two pulleys (20) are respectively connected with a rotating shaft (21) in a rotating manner, the front side wall of the connecting column (17) is fixedly connected with a mounting plate (18), the upper side wall and the lower side wall of the mounting plate (18) are respectively connected with a connecting frame (22) sleeved outside the two rotating shafts (21), the inner walls of the connecting frames (22) positioned on the same side are respectively and fixedly connected with a guide column (23) inserted on the rotating shaft (21) in a sliding manner, a spring II (24) sleeved on the outer wall of the guide column (23) in a sliding manner is fixedly connected between the outer wall of the rotating shaft (21) and a side wall of the connecting frame (22) close to the mounting plate (18), the preceding lateral wall threaded connection of mounting panel (18) has threaded rod (26), the outer wall threaded connection of threaded rod (26) has the lantern ring, the outer wall symmetry of the lantern ring is rotated and is connected with bull stick (25), two the tip that bull stick (25) kept away from mutually rotates with the outer wall of pivot (21) respectively and is connected.
2. The portable handheld device for debugging network equipment of an electric power system according to claim 1, wherein the auxiliary clamping mechanism comprises a moving rod (6) slidably inserted on the rectangular frame (5), a baffle (7) is fixedly connected to the lower end of the moving rod (6), a first spring (8) slidably sleeved on the outer wall of the moving rod (6) is fixedly connected between the upper side wall of the baffle (7) and the lower outer wall of the rectangular frame (5), and a hand guard (9) is fixedly connected to the top end of the moving rod (6).
3. The portable handheld device for debugging network equipment of an electric power system as claimed in claim 1, characterized in that a fan (11) positioned between two supporting columns (4) is fixedly embedded in the inner bottom wall of the first groove (3).
4. The convenient handheld device for debugging network equipment of an electric power system according to claim 2, wherein the hand guard (9) is arc-shaped and matched with the back of a hand, five grooves two (10) are fixedly formed in the upper side wall of the hand guard (9), and protective pads are fixedly mounted on the inner walls of the five grooves two (10) and the upper side wall of the hand guard (9).
5. The portable handheld device for debugging network equipment of an electric power system according to claim 1, wherein the opposite sides of the first lock plate (13) and the second lock plate (14) are respectively provided with a third sliding groove matched with the lock ring (15).
6. The portable handheld device for debugging network equipment of an electric power system according to claim 1, wherein bearings are fixedly embedded in front side walls of the pulleys (20) on the same side, and inner rings of the bearings are fixedly connected with outer walls of the rotating shafts (21).
7. The portable handheld device for debugging network equipment of an electric power system according to claim 1, wherein the inner walls of the right ends of the first sliding grooves (16) are both provided with a limiting groove (27) matched with the two pulleys (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110569728.6A CN113381338B (en) | 2021-05-25 | 2021-05-25 | Portable handheld device for debugging network equipment of power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110569728.6A CN113381338B (en) | 2021-05-25 | 2021-05-25 | Portable handheld device for debugging network equipment of power system |
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| Publication Number | Publication Date |
|---|---|
| CN113381338A true CN113381338A (en) | 2021-09-10 |
| CN113381338B CN113381338B (en) | 2023-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110569728.6A Active CN113381338B (en) | 2021-05-25 | 2021-05-25 | Portable handheld device for debugging network equipment of power system |
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| CN102646944A (en) * | 2012-04-12 | 2012-08-22 | 东北大学 | Broken strand repairing and wire smoothening device of super-high-voltage power transmission line |
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| WO2018192082A1 (en) * | 2017-04-21 | 2018-10-25 | 深圳市大疆灵眸科技有限公司 | Cradle head bracket |
| CN111934239A (en) * | 2020-08-28 | 2020-11-13 | 国家电网有限公司 | Earth potential straight pole cross arm dismounting tool and using method thereof |
| CN112038988A (en) * | 2020-09-03 | 2020-12-04 | 孟琪 | Cable locking device for electric power system |
| CN112571327A (en) * | 2020-12-18 | 2021-03-30 | 尹红文 | Multi-point clamping positioning device for detecting building engineering materials |
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2021
- 2021-05-25 CN CN202110569728.6A patent/CN113381338B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102646944A (en) * | 2012-04-12 | 2012-08-22 | 东北大学 | Broken strand repairing and wire smoothening device of super-high-voltage power transmission line |
| CN106516859A (en) * | 2014-12-11 | 2017-03-22 | 国网浙江平湖市供电公司 | Distribution line pay-off device with braking function |
| WO2018192082A1 (en) * | 2017-04-21 | 2018-10-25 | 深圳市大疆灵眸科技有限公司 | Cradle head bracket |
| CN107293997A (en) * | 2017-08-04 | 2017-10-24 | 江西电力职业技术学院 | Suspension insulator changes hook and replacing device for insulator |
| CN111934239A (en) * | 2020-08-28 | 2020-11-13 | 国家电网有限公司 | Earth potential straight pole cross arm dismounting tool and using method thereof |
| CN112038988A (en) * | 2020-09-03 | 2020-12-04 | 孟琪 | Cable locking device for electric power system |
| CN112571327A (en) * | 2020-12-18 | 2021-03-30 | 尹红文 | Multi-point clamping positioning device for detecting building engineering materials |
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|---|---|
| CN113381338B (en) | 2023-10-27 |
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