CN113580058A - A quick replacement device for preventing wind fastener - Google Patents
A quick replacement device for preventing wind fastener Download PDFInfo
- Publication number
- CN113580058A CN113580058A CN202110816481.3A CN202110816481A CN113580058A CN 113580058 A CN113580058 A CN 113580058A CN 202110816481 A CN202110816481 A CN 202110816481A CN 113580058 A CN113580058 A CN 113580058A
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- plate
- fixedly connected
- mounting plate
- wind
- wire clamp
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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
- B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
-
- 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
-
- 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
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
Abstract
The invention discloses a quick replacement device for a wind-proof wire clamp, and relates to the technical field of electric appliances. The invention comprises a movable plate, a mounting plate and a side plate; the movable plates are connected with two groups of disassembling components in parallel; each group of disassembling components comprises two motors arranged side by side and an elastic buckle positioned between the two motors; the mounting plate is connected with a plurality of guide posts and electric push rods; the upper ends of the guide posts penetrate through the movable plates; the number of the side plates is two; one of them curb plate and mounting panel sliding connection to be connected with electric putter, and another curb plate and mounting panel fixed connection for drive the curb plate through electric putter and remove, and carry out the centre gripping to preventing wind the fastener through the grip block. According to the wind-proof wire clamp, the motor drives the hexagonal sleeve to screw the screw, so that the wind-proof wire clamp is disassembled and assembled, and the overall operation efficiency is improved; the replacement device can be used for replacing the windproof wire clamp by holding the restraining rod by hand, so that the flexibility and convenience for disassembling and replacing the windproof wire clamp are improved.
Description
Technical Field
The invention relates to the technical field of electric appliances, in particular to a quick replacement device for a wind-proof wire clamp.
Background
The windproof wire clamp is mainly used for fixing a power supply line lead. The existing windproof wire clamp comprises two semicircular hoop plates to form a hoop, so that the hoop is fixed to the upper end of an insulator, each hoop plate is connected with a pressing plate through a bolt, and the fixing of a wire is realized through the pressing plates.
The existing pressing plates are of arc-shaped structures, and two ends of the existing pressing plates are connected with the hoop plate through screws respectively, so that the two pressing plates need to be firstly disassembled when the existing windproof wire clamp is disassembled and replaced, and four screws need to be disassembled manually. The disassembly and assembly process is complicated, and the operation efficiency is low.
In addition, many telegraph poles are located in hillsides, pits, or street and farmland areas, and the insulating boom truck cannot enter the operation position, so that the wire clamp or insulator cannot be replaced in a live-line manner, and the maintenance efficiency is affected.
Disclosure of Invention
The invention aims to make up the defects of the prior art, and provides a quick replacement device for a wind-proof wire clamp, wherein a motor on a movable plate drives a hexagonal sleeve to realize the disassembly and the assembly of a wind-proof wire clamp screw, so that the problem of low efficiency of the conventional disassembly and assembly operation is solved; the replacement device can be utilized to replace the windproof wire clamp by holding the protective rod by hand, so that the problem that the existing insulating bucket arm vehicle cannot enter into an operation position to influence the maintenance efficiency is solved.
The invention is realized by the following technical scheme:
a quick replacement device for a windproof wire clamp comprises a movable plate, a mounting plate and a side plate. The movable plate is fixedly connected with a line gram rod; the movable plates are fixedly connected with two groups of disassembling components side by side; each group of disassembling assemblies comprises two motors arranged side by side and an elastic buckle positioned between the two motors; the motor is connected with the upper surface of the movable plate, and an output shaft of the motor penetrates through the movable plate and is connected with the hexagonal sleeve; the elastic buckle is connected with the lower surface of the movable plate through a connecting rod and used for clamping the wire clamp pressing plate;
the upper surface of the mounting plate is fixedly connected with a plurality of guide posts and is provided with rectangular notches corresponding to the positions of each group of disassembling components; the mounting plate is connected with an electric push rod; the upper ends of the guide columns penetrate through the movable plate and are used for enabling the movable plate to move axially along the guide columns; the number of the side plates is two, and the side plates are symmetrically arranged; one side plate is connected with the mounting plate in a sliding manner and is connected with the electric push rod, and the other side plate is fixedly connected with the mounting plate; the side plate is provided with an avoiding notch; the side face of the side plate is fixedly connected with a clamping block which is symmetrically arranged relative to the avoidance notch and used for driving the side plate to move through an electric push rod and clamping the windproof wire clamp through the clamping block.
The upper end of the gram making rod is fixedly connected with a cross rod; the lower surface of the cross rod is fixedly connected with a plurality of connecting columns and is fixedly connected with the upper surface of the movable plate through the connecting columns.
The upper surface of the mounting plate is fixedly connected with an n-shaped plate; the n-shaped plate is provided with a limiting hole in clearance fit with the connecting column, the n-shaped plate stretches across the upper surface of the movable plate, and the connecting column penetrates through the limiting hole in the n-shaped plate.
The side surface of the mounting plate is fixedly connected with an ear plate; the lug plate is provided with a positioning hole which is in clearance fit with the line rod.
The lower surface of the mounting plate is fixedly connected with two groups of positioning components; two groups of positioning components are positioned between the two side plates; each group of positioning assemblies comprises a horizontal positioning pin and a vertical positioning pin, and the horizontal positioning pins in the two groups of positioning assemblies are respectively positioned at two sides of the windproof wire clamp; the horizontal positioning pin is abutted against the side face of the windproof wire clamp and used for positioning the position of the mounting plate in the horizontal direction; the lower end of the vertical positioning pin abuts against the upper surface of the windproof wire clamp and is used for positioning the position of the mounting plate in the vertical direction.
The lower surface of the mounting plate is fixedly connected with two pairs of sliding rods through a connecting plate; the sliding rod penetrates through the two side plates, one side plate is connected with the sliding rod in a sliding mode, and the other side plate is fixedly connected with the sliding rod.
Clamping strips are symmetrically arranged on the side surfaces of the side plates opposite to the avoidance notches; the cross section of the clamping strip is L-shaped and is used for clamping a pressing plate of the windproof wire clamp.
The guide post sleeve is provided with a spring; the spring is located between the movable plate and the mounting plate.
The movable plate, the mounting plate and the n-shaped plate are all provided with hollowed-out notches.
The invention has the advantages that:
according to the invention, the four motors on the movable plate drive the hexagonal sleeves, so that synchronous disassembly of the fixing screws of the pressing plate on the windproof wire clamp is realized, the pressing plate is clamped through the elastic buckles, the quick disassembly and replacement of the wire pushing clamp pressing plate are realized, and the operating efficiency is effectively improved.
Meanwhile, manual handheld operation is achieved through the gram rod, all-terrain operation is achieved, flexibility and convenience in disassembly and replacement of the windproof wire clamp are improved, terrain limitation is avoided, the insulating bucket arm vehicle cannot enter an operation position, and the condition that maintenance efficiency is affected is avoided.
Drawings
FIG. 1 is a schematic structural view of a quick change device for a wind-resistant wire clamp according to the present invention;
FIG. 2 is a schematic bottom view of the structure of FIG. 1;
FIG. 3 is an exploded view of the structure of the movable plate and the mounting plate;
FIG. 4 is a schematic structural diagram of the movable plate;
FIG. 5 is an exploded view of the structure of the mounting plate and side plate;
FIG. 6 is a schematic view of the structure of the mounting plate;
FIG. 7 is a schematic structural diagram of an embodiment;
FIG. 8 is a front view of the structure of FIG. 7;
fig. 9 is a cross-sectional view taken at a-a in fig. 8.
In the drawings, the components represented by the respective reference numerals are listed below:
1-movable plate, 2-mounting plate, 3-side plate, 4-horizontal positioning pin, 5-vertical positioning, 6-sliding rod, 7-insulator, 8-wire, 9-windproof wire clamp, 101-link rod, 102-motor, 103-elastic buckle, 104-hexagonal sleeve, 106-cross rod, 107-connecting column, 201-guiding column, 202-rectangular notch, 203-electric push rod, 204-spring, 205-n type plate, 206-limiting hole, 207-ear plate, 208-positioning hole, 301-avoiding notch, 302-clamping block, 303-clamping strip and 901-pressing plate.
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. 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.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
Example one
Referring to fig. 1-3, the present invention is a quick-change device for a wind-proof wire clamp, which includes a movable plate 1, a mounting plate 2 and a side plate 3. The movable plate 1 is fixedly connected with a link rod 101, and specifically, the upper end of the link rod 101 is fixedly connected with a cross rod 106; the lower surface of the cross rod 106 is fixedly connected with two connecting columns 107, and is fixedly connected with the upper surface of the movable plate 1 through the connecting columns 107.
The movable plates 1 are fixedly connected with two groups of disassembling components in parallel; each set of disassembly assemblies comprises two motors 102 arranged side by side and an elastic catch 103 located between the two motors 102.
As shown in fig. 4, the motor 102 is connected to the upper surface of the movable plate 1, and an output shaft of the motor 102 penetrates through the movable plate 1 and is connected to the hexagonal sleeve 104; the hexagonal sleeves 104 connected with the two motors 102 in each group of the disassembling assemblies respectively correspond to the positions of two screws for fixing one of the pressing plates in the windproof wire clamp. Namely, four hexagonal sleeves 104 connected with four motors 102 correspond to four screw positions for fixing two pressing plates on the wind-proof wire clamp one by one.
The elastic buckle 103 is of an inverted U-shaped structure, the elastic buckle 103 is connected with the lower surface of the movable plate 1 through a connecting rod 105, and the elastic buckle 103 is clamped on two sides of the pressing plate through two side walls of the elastic buckle 103 to clamp and fix the wire clamping pressing plate.
As shown in fig. 2, 3, 5 and 6, four guide posts 201 are fixedly connected to the upper surface of the mounting plate 2, and a rectangular notch 202 corresponding to each detachable component is formed in the upper surface of the mounting plate, so that the elastic buckle 103 and the hexagonal sleeve 104 can penetrate below the mounting plate 2. The mounting plate 2 is connected with electric putter 203 through the mount pad, and electric putter 203's number can be two, is located mounting plate 2 both sides respectively.
The upper ends of the four guide columns 201 penetrate through the movable plate 1, so that the movable plate 1 moves axially along the guide columns 201, and the upper ends of the guide columns 201 are provided with flanges for limiting the position of the movable plate 1. Moreover, the guide post 201 is sleeved with a spring 204; the spring 204 is located between the movable plate 1 and the mounting plate 2, so that the movement of the movable plate 1 is buffered by the spring 204, and the movable plate 1 is kept short away from the mounting plate 2, thereby avoiding the occurrence of frequent collision between the movable plate 1 and the mounting plate 2 in the using or carrying process.
The number of the side plates 3 is two, and the side plates are symmetrically arranged, wherein one side plate 3 is connected with the mounting plate 2 in a sliding manner and is connected with the electric push rod 203, and the other side plate 3 is fixedly connected with the mounting plate 2. Specifically, the lower surface of the mounting plate 2 is fixedly connected with two pairs of sliding rods 6 through a connecting plate, and the sliding rods 6 are arranged in parallel with the wires fixed by the windproof wire clamps. Slide bar 6 runs through two curb plates 3, and the perforating hole with slide bar 6 adaptation is seted up to 3 sides of curb plate, and one of them curb plate 3 and slide bar 6 sliding connection, and another curb plate 3 and slide bar 6 fixed connection, and curb plate 3 with slide bar 6 sliding connection is connected with electric putter 203's flexible end for drive this curb plate 3 along slide bar 6 axial displacement through electric putter 203.
The side plate 3 is provided with an avoiding notch 301 to avoid interference with the wire. The side face of the side plate 3 is fixedly connected with a clamping block 302 which is symmetrically arranged relative to the avoidance notch 301 and is used for driving the side plate 3 to move through the electric push rod 203 and clamping the windproof wire clamp through the clamping block 302. Meanwhile, the side surface of the side plate 3 is symmetrically provided with clamping strips 303 opposite to the avoidance notch 301; the cross section of the clamping strip 303 is L-shaped and is used for clamping a pressing plate of the windproof wire clamp.
As shown in fig. 7 to 9, the wind-proof clamp 9 is fixed to the upper end of the insulator 7, and two pressing plates 901 for fixing the wires 8 are connected to the wind-proof clamp 9 by screws. When the pressing plate 901 is removed, the entire replacement device is lifted above the wire 8 by holding the striking rod 101. After the position is adjusted to enable the avoiding notch 301 to correspond to the position of the lead 8, the replacing device is moved downwards, and the lead 8 is clamped into the avoiding notch 301.
The electric push rod 203 drives the side plates 3 to move axially along the sliding rod 6, the clamping blocks 302 on the two side plates 3 are used for clamping the windproof wire clamp 9, and the two clamping strips 303 are clamped on the lower surface and the end parts of the pressing plate 901.
At this time, by pulling down the actuating rod 101, the two side walls of the elastic buckle 103 are clamped at the two sides of the pressing plate, and the hexagonal sleeve 104 is sleeved on the upper end of the screw, the starting motor 102 screws the screw through the hexagonal sleeve 104, thereby realizing the detachment of the screw. In the screw detaching process, the movable plate 1 moves upwards, and the elastic buckle 103 and the clamping strip 303 drive the pressing plate 901 to move upwards synchronously. After the screws are completely disassembled, the pressing plate 901 is fixed under the action of the elastic buckles 103 and the clamping strips 303, so that when the gram bar 101 is put down to replace the device, the pressing plate 901 and the screws are synchronously disassembled, and the replacement efficiency of the windproof wire clamp 9 is effectively improved.
When the pressing plate 901 is installed, a screw is firstly sleeved into a connecting hole of the pressing plate 901, the pressing plate 901 is clamped on the elastic buckle 103 and the clamping strip 303, the position of the gram rod 101 is adjusted, so that the screw corresponds to a threaded hole in the windproof wire clamp 9, the motor 102 is started, and the screw is screwed in.
In order to improve the overall stability, the upper surface of the mounting plate 2 is connected with an n-shaped plate 205 through screws; the n-shaped plate 205 is provided with a limiting hole 206 in clearance fit with the connecting column 107, the n-shaped plate 205 spans the upper surface of the movable plate 1, and the connecting column 107 penetrates through the limiting hole 206 on the n-shaped plate, so that the movable plate 1 can move up and down more stably. Meanwhile, the side surface of the mounting plate 2 is fixedly connected with an ear plate 207; the ear plate 207 is provided with a positioning hole 208 which is in clearance fit with the line bar 101, thereby being beneficial to improving the stability of the line bar 101.
Moreover, the movable plate 1, the mounting plate 2 and the n-shaped plate 205 are all provided with hollowed-out notches, so that the overall weight is reduced, and manual operation is facilitated.
Example two
On the basis of the first embodiment, as shown in fig. 2, 6 and 9, two groups of positioning components are fixedly connected to the lower surface of the mounting plate 2; two groups of positioning components are positioned between the two side plates 3; each group of positioning components comprises a horizontal positioning pin 4 and a vertical positioning pin 5, and the horizontal positioning pins 4 in the two groups of positioning components are respectively positioned at two sides of the windproof wire clamp.
When the device is used, the horizontal positioning pins 4 are abutted against the side faces of the windproof wire clamps 9 and used for positioning the horizontal positions of the mounting plates 2, and the circumferential faces of the two horizontal positioning pins 4 are abutted against the side faces of the windproof wire clamps 9 respectively, so that the horizontal positions of the replacing device are quickly positioned. Simultaneously, 5 lower extremes of two vertical locating pins offset with prevent wind fastener upper surface for fix a position the position of 2 vertical directions of mounting panel, and realize the effect of support through two vertical locating pins 5, be favorable to reducing the fatigue strength when artifical handheld, and the stability when improving the operation.
When the replacing device obtains position location through two horizontal positioning pins 4 and vertical positioning pin 5, namely the position one-to-one correspondence of hexagonal sleeve 104 and screw is obtained to reduce the process of position adjustment, make the whole operation more efficient and convenient, make dismantlement and installation effectiveness effectively improved.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (9)
1. The utility model provides a quick replacement device for preventing wind fastener which characterized in that: the method comprises the following steps:
the movable plate is fixedly connected with a link rod; two groups of disassembling components are fixedly connected to the movable plate in parallel; each group of disassembling components comprises two motors arranged in parallel and an elastic buckle positioned between the two motors; the motor is connected with the upper surface of the movable plate, an output shaft of the motor penetrates through the movable plate, and a hexagonal sleeve is fixed at the end part of the output shaft of the motor; the elastic buckle is connected with the lower surface of the movable plate through a connecting rod;
the upper surface of the mounting plate is fixedly connected with a plurality of guide posts and is provided with a rectangular notch corresponding to the position of each group of disassembling components; an electric push rod is arranged below the mounting plate; the upper ends of the guide columns penetrate through the movable plates, flanges are arranged at the top ends of the guide columns, and the movable plates axially move along the guide columns;
the number of the side plates is two, and the two side plates are symmetrically arranged; one side plate is connected with the lower surface of the mounting plate in a sliding manner and is connected with the electric push rod, and the other side plate is fixedly connected with the lower surface of the mounting plate;
an avoidance notch is formed in the side plate; and two clamping blocks which are symmetrically arranged relative to the avoidance notches are fixedly connected to the opposite surfaces of the two side plates.
2. The quick change device for the wind clamp of claim 1, wherein: the upper end of the gram making rod is fixedly connected with a cross rod; the lower surface of the cross rod is fixedly connected with a plurality of connecting columns and is fixedly connected with the upper surface of the movable plate through the connecting columns.
3. The quick change device for the wind clamp of claim 2, wherein: the upper surface of the mounting plate is fixedly connected with an n-shaped plate; the n-shaped plate is provided with a limiting hole in clearance fit with the connecting column, the n-shaped plate stretches across the upper surface of the movable plate, and the connecting column penetrates through the limiting hole in the n-shaped plate.
4. A quick change device for a wind clamp according to claim 1 or 2 or 3, characterized in that: the side surface of the mounting plate is fixedly connected with an ear plate; the lug plate is provided with a positioning hole which is in clearance fit with the line rod.
5. The quick change device for the wind clamp of claim 1, wherein: two groups of positioning components are fixedly connected to the lower surface of the mounting plate; two groups of positioning components are positioned between the two side plates; each group of positioning assemblies comprises a horizontal positioning pin and a vertical positioning pin, and the horizontal positioning pins in the two groups of positioning assemblies are respectively positioned at two sides of the windproof wire clamp;
the horizontal positioning pin is abutted against the side face of the windproof wire clamp and used for positioning the position of the mounting plate in the horizontal direction; the lower end of the vertical positioning pin abuts against the upper surface of the windproof wire clamp and is used for positioning the position of the mounting plate in the vertical direction.
6. The quick change device for the wind-proof clamp of claim 1 or 5, characterized in that: the lower surface of the mounting plate is fixedly connected with two pairs of sliding rods through a connecting plate; the sliding rod penetrates through the two side plates, one side plate is connected with the sliding rod in a sliding mode, and the other side plate is fixedly connected with the sliding rod.
7. The quick change device for the wind clamp of claim 1, wherein: clamping strips symmetrically arranged relative to the avoidance notches are fixedly connected to the opposite surfaces of the two side plates; the cross section of the clamping strip is L-shaped.
8. The quick change device for the wind clamp of claim 1, wherein: a spring is sleeved on the guide post; the spring is located between the movable plate and the mounting plate.
9. The quick change device for the wind clamp of claim 3, wherein: the movable plate, the mounting plate and the n-shaped plate are all provided with hollowed-out notches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110816481.3A CN113580058B (en) | 2021-07-20 | 2021-07-20 | A quick replacement device for preventing wind fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110816481.3A CN113580058B (en) | 2021-07-20 | 2021-07-20 | A quick replacement device for preventing wind fastener |
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| Publication Number | Publication Date |
|---|---|
| CN113580058A true CN113580058A (en) | 2021-11-02 |
| CN113580058B CN113580058B (en) | 2022-07-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110816481.3A Active CN113580058B (en) | 2021-07-20 | 2021-07-20 | A quick replacement device for preventing wind fastener |
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| CN (1) | CN113580058B (en) |
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| CN114421358A (en) * | 2022-01-25 | 2022-04-29 | 国网安徽省电力有限公司电力科学研究院 | Wire clamp dismounting device for distribution line insulator |
| CN114784700A (en) * | 2022-04-13 | 2022-07-22 | 国网安徽省电力有限公司宿州供电公司 | Electrified installation device of suspension clamp pin based on photoelectric sensor |
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| KR102249164B1 (en) * | 2021-02-08 | 2021-05-10 | 대원전기 주식회사 | Insulation insulator clip for indirect live wire and LP insulator, suspension insulator, Cut Out Switch, Lightning Arrester replacement indirect live wire method using the same |
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| CN114421358A (en) * | 2022-01-25 | 2022-04-29 | 国网安徽省电力有限公司电力科学研究院 | Wire clamp dismounting device for distribution line insulator |
| CN114784700A (en) * | 2022-04-13 | 2022-07-22 | 国网安徽省电力有限公司宿州供电公司 | Electrified installation device of suspension clamp pin based on photoelectric sensor |
| CN114784700B (en) * | 2022-04-13 | 2023-08-04 | 国网安徽省电力有限公司宿州供电公司 | Suspension clamp pin electrified installation device based on photoelectric sensor |
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|---|---|
| CN113580058B (en) | 2022-07-05 |
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