CN116759940B - Clamping assembly with freely adjustable angle and height - Google Patents
Clamping assembly with freely adjustable angle and height Download PDFInfo
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- CN116759940B CN116759940B CN202310731908.9A CN202310731908A CN116759940B CN 116759940 B CN116759940 B CN 116759940B CN 202310731908 A CN202310731908 A CN 202310731908A CN 116759940 B CN116759940 B CN 116759940B
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- base frame
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- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 238000003825 pressing Methods 0.000 claims description 18
- 210000001503 joint Anatomy 0.000 claims description 14
- 230000033001 locomotion Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 8
- 230000005540 biological transmission Effects 0.000 description 8
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 229920001875 Ebonite Polymers 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000004519 manufacturing 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
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- H02G1/04—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables for mounting or stretching
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Abstract
The application relates to the technical field of clamping devices, in particular to a clamping assembly with freely adjustable angle and height, which comprises: a base frame provided with a mounting block; the moving mechanism is used for driving the base frame to move along the cable; the lifting device is used for adjusting the angle of the base frame through lifting when moving so as to keep the base frame balanced; the conveying mechanism comprises a clamping block and a feeding device; the application discloses a clamping assembly with freely adjustable angle and height, which is characterized in that when in use, an original cable is clamped by a moving mechanism, then the whole device moves from a front electric tower to a rear electric tower along the original cable, and the gesture of the whole assembly is continuously adjusted by a lifting mechanism and a conveying mechanism in the moving process, so that the whole assembly is effectively prevented from being blocked and fixed on the cable in the transportation process; the application changes the work of repeatedly erecting the traction rope when the power grid is expanded, greatly reduces the workload of staff and is worth popularizing in a large range.
Description
Technical Field
The application relates to the technical field of electric tower power transmission clamping, in particular to a clamping assembly with freely adjustable angle and height.
Background
The electric energy transmission means that the power is transmitted by a power plant or a power supply through a mode of transmitting the electric power from one place to another place, high-voltage electric wires adopted by China, because the electric power transmission distance is long, a plurality of high-voltage towers are needed to put an electric wire frame in the air, at the present stage, when the electric cable is erected, a plurality of traction ropes and pulleys are usually erected between adjacent electric towers, then the electric cable is pulled to the next electric tower from the previous electric tower through manual traction, the whole process needs to consume a great deal of manpower, and in the process of expanding the next electric network, if a new electric cable is erected on the high-voltage electric towers, the operation needs to be repeated, which is time-consuming and labor-consuming, and therefore, the design of equipment for transporting the electric cable between the adjacent electric towers during the electric network expansion is urgent.
Disclosure of Invention
The present application is directed to a clamping assembly with freely adjustable angle and height, which solves the above-mentioned problems.
In order to achieve the above purpose, the present application provides the following technical solutions:
a clamp assembly with freely adjustable angle and height, comprising:
a base frame provided with a mounting block;
the moving mechanism is arranged on the base frame and is used for driving the base frame to move along the cable;
the lifting mechanism is arranged on the base frame and is used for adjusting the angle of the base frame through lifting when moving so as to keep the base frame balanced; and
the conveying mechanism is arranged on the mounting block and comprises a clamping block and a feeding device, the lifting device is used for controlling lifting of the clamping block, the feeding device is arranged inside the clamping block, and the feeding device is used for conveying cables.
Preferably, the moving mechanism comprises a driving motor, fixed wheels, clamping push rods, connecting rods and locking devices, wherein the driving motor is arranged inside the fixed wheels, the fixed wheels are symmetrically arranged with two clamping push rods, the clamping push rods are used for pushing the fixed wheels to move, the connecting rods are used for connecting the two fixed wheels, and the locking devices are used for limiting the relative movement of the two fixed wheels after the connecting rods are connected with the fixed wheels.
Preferably, the moving mechanism is provided with two groups, and the two groups of moving mechanisms are symmetrically arranged on the base frame.
Preferably, the connecting rod is provided with the cavity, the stator is provided with the rotor, the rotor is provided with the jack, encircle in the jack is provided with a plurality of lockhole, locking mechanism set up in the cavity, locking device includes pressing piece, reset spring one, reset spring two and locking lever, pressing piece activity is inserted and is located the cavity, reset spring one both ends connect respectively in pressing piece with the cavity lateral wall, reset spring two both ends connect respectively in locking lever and cavity lateral wall are used for ejecting through pressing the pressing rod the locking lever makes the locking lever insert and establishes in the lockhole.
Preferably, the moving mechanism further comprises a friction device, the friction device comprises a friction block, a butt joint sensor and a pushing rod, an installation groove is formed in the side wall of the connecting rod, the pushing rod is arranged in the installation groove, the pushing rod is connected with the friction block, the transmitting end and the receiving end of the butt joint sensor are respectively arranged on the side wall of the lock rod and the lock hole, and when the transmitting end and the receiving end of the butt joint sensor are mutually in butt joint, the pushing rod is started.
Preferably, the lifting mechanism comprises a lifting push rod and a level meter, the level meter is arranged on the base frame and used for judging whether the base frame is in a horizontal state, and two ends of the lifting push rod are respectively connected with the fixed wheel and the base frame.
Preferably, an adjusting motor is arranged at one end of the lifting push rod, and the adjusting motor is used for adjusting the angle of the lifting push rod
Preferably, the clamping block is provided with a conveying hole, a plurality of mounting holes are formed around the conveying hole, and the feeding device is arranged in the mounting holes.
Preferably, the feeding device comprises a rotating motor, a rubber block and a feeding push rod, two ends of the feeding push rod are respectively connected with the mounting hole and the rubber block, the rubber block is connected with a connecting rod, the connecting rod is connected with the rotating motor, and the rotating motor is used for driving the connecting rod to rotate so as to drive the rubber block to rotate.
Preferably, a camera is arranged on the base frame.
Compared with the prior art, the application has the beneficial effects that: the application discloses a clamping assembly with freely adjustable angle and height, which is characterized in that when in use, an original cable is clamped by a moving mechanism, then the whole device moves from a front electric tower to a rear electric tower along the original cable, and the gesture of the whole assembly is continuously adjusted by a lifting mechanism (the gravity center is changed by changing the levelness of an adjusting base frame through lifting) and a conveying mechanism (the gravity center is changed by conveying the cable and adjusting the cable lengths at two ends of the base frame) in the moving process, so that the whole assembly is effectively prevented from being blocked and fixed on the cable due to overturning caused by vibration in the transportation process; the application changes the work of repeatedly erecting the traction rope when the power grid is expanded, greatly reduces the workload of power grid staff and is worthy of large-scale popularization.
Drawings
FIG. 1 is a schematic view of the working state structure of the present application;
FIG. 2 is a schematic view of a partial enlarged structure of the area A in FIG. 1;
FIG. 3 is an isometric view of the present application;
FIG. 4 is a schematic view of the underside of the present application in an isometric configuration;
FIG. 5 is a schematic view of the enlarged partial structure of the area B in FIG. 4;
FIG. 6 is a schematic view of the connection of the connecting rod and the rotor;
fig. 7 is a schematic view of a partial enlarged structure of a region C in fig. 6.
In the figure: 1 a base frame, 2 a mounting block, 3 a driving motor, 4 a fixed wheel, 5 a clamping push rod, 6 a connecting rod, 7 a cavity, 8 an inserting hole, 9 a lock hole, 10 a pressing block, 11 a first return spring, 12 a second return spring, 13 a lock rod, 14 a friction block, 15 a push rod, 16 a transmitting end (a butt joint sensor), 17 a receiving end (a butt joint sensor), 18 a lifting push rod, 19 a level meter, 20 a clamping block, 21 a mounting hole, 22 a rotating motor, 23 a rubber block, 24 a feeding push rod, 25 a camera, 100 cables, 181 an adjusting motor and 401 a rotor.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Referring to fig. 1-7, the present application provides a technical solution:
a clamp assembly with freely adjustable angle and height, as shown in figure 1 of the accompanying specification, comprising:
the device comprises a base frame 1, wherein the base frame 1 is used for mounting other parts of the device, the base frame 1 is provided with a mounting block 2, the mounting block 2 has a rotating function, and the mounting block 2 is used for mounting a conveying mechanism;
the moving mechanism is arranged on the base frame 1 and is used for driving the base frame 1 to move along the cable 100;
the moving mechanism comprises a driving motor 3, a fixed wheel 4, a clamping push rod 5, a connecting rod 6 and a locking device, wherein the driving motor 3 is arranged inside the fixed wheel 4, the fixed wheel 4 and a lifting push rod 18 are fixedly connected, therefore, a shell of the fixed wheel 4 cannot rotate, the driving motor 3 is used for driving a rotor 401 inside the fixed wheel 4 to move after the connecting rod 6 is locked, the driving motor 3 is a stepping speed reducing motor produced by the Kai transmission technology limited company in Shenzhen city, other motors are also production speed reducing motors produced by the Kai transmission technology limited company in Shenzhen city, the motors can be purchased according to the working requirements in the prior art, the fixed wheel 4 is symmetrically provided with two fixed wheels, cables 100 are clamped between the two fixed wheels 4 during working, the clamping push rod 5 is a mute electric push rod produced by the Kai transmission system limited company in Buddha, the connecting rod 6 is used for pushing the fixed wheel 4 to move, one end of the connecting rod 6 is connected with an electric push rod to have a telescopic function, the cables 100 can be arranged between the two fixed wheels 4 during shrinkage, and the connecting rod 401 inside the connecting rod 401 is connected with the fixed wheels limited relatively.
The moving mechanism is provided with two groups, the two groups of moving mechanisms are symmetrically arranged on the base frame 1, the two groups of moving mechanisms are sequentially arranged along the moving direction, and the two groups of moving mechanisms can help the whole clamping assembly to keep balance.
The connecting rod 6 is provided with the cavity 7, the cavity 7 is used for installing the locking mechanism, the fixed pulley 4 is provided with jack 8, jack 8 is used for inserting and establishing the connecting rod 6, encircle and be provided with 6 lockholes 9 in jack 8, thereby lockhole 9 is used for mutually supporting with locking lever 13 and restricts the relative motion between connecting rod 6 and the rotor 401, the locking mechanism sets up in cavity 7, cavity 7 sets up in connecting rod 6 one end, the locking device includes pressing piece 10, reset spring one 11, reset spring two 12 and locking lever 13, pressing piece 10 activity inserts and locates cavity 7, locking lever 13 front view's shape is trapezoidal, the side view of locking lever 13 is shown in the specification drawing, reset spring one 11 both ends are connected in pressing piece 10 and cavity 7 lateral wall respectively, reset spring one 11 is extension spring, namely pressing lever one end is in the connecting rod 6 outside all the time under no exogenic action, reset spring two 12 both ends are connected in locking lever 13 and cavity 7 lateral wall respectively, reset spring two 12 are compression spring, namely pressing lever 13 is in the condition of no exogenic action all the time, use is ejecting 13 to insert locking lever 13 into locking lever 9 through pressing.
The moving mechanism further comprises a friction device, the friction device comprises a friction block 14, a butt joint sensor and a pushing rod 15, the side wall of the connecting rod 6 is provided with a mounting groove, the mounting groove is used for mounting the friction block 14, the pushing rod 15 is arranged in the mounting groove, the pushing rod 15 is a miniature electric push rod, the pushing rod 15 is connected with the friction block 14, the friction block 14 is made of the same material as the rubber block 23, the friction block is made of hard rubber, a transmitting end 16 and a receiving end 17 of the butt joint sensor are respectively arranged on the side wall of the lock rod 13 and the lock hole 9, the butt joint sensor is an E3F-20C1/20L photoelectric sensor produced by the Qoshishi pneumatic technology Co, and the pushing rod 15 is started when the transmitting end 16 and the receiving end 17 of the butt joint sensor are mutually butted.
The lifting mechanism is arranged on the base frame 1 and is used for adjusting the angle of the base frame 1 by lifting when moving so as to keep the base frame 1 balanced; the lifting mechanism comprises a lifting push rod 18 and a level meter 19, wherein the lifting push rod 18 is a mute direct current electric push rod produced by Shi Lang transmission system technology limited company in Buddha, the lifting push rod 18 is used for adjusting the length of the base plate according to data fed back by the level meter 19 so as to keep the base plate in a horizontal state all the time, the base plate is prevented from falling down in a rolling way in the working process, the level meter 19 is arranged at the upper end of the base frame 1, the level meter 19 is a Bluetooth level meter purchased by Shi Pu tool limited company in Suzhou, data detected by the level meter 19 can be transmitted to the controller through Bluetooth transmission, the level meter 19 is used for judging whether the base frame 1 is in a horizontal state, and two ends of the lifting push rod 18 are respectively hinged to the fixed wheel 4 and the base frame 1. An adjusting motor 181 is arranged at one end of the lifting push rod 18 close to the base frame 1, and the adjusting motor 181 is used for adjusting the angle between the lifting push rod 18 and the base frame 1 so as to keep the base frame 1 in a horizontal state.
The conveying mechanism is arranged on the mounting block 2 and comprises a clamping block 20 and a feeding device, the lifting device is used for controlling the lifting of the clamping block 20, the feeding device is arranged inside the clamping block 20, and the feeding device is used for conveying the cable 100.
The clamping block 20 is provided with a conveying hole, a plurality of mounting holes 21 are formed around the conveying hole, the mounting holes 21 are used for mounting a feeding device, and the feeding device is arranged in the mounting holes 21. The feeding device comprises a rotating motor 22, a rubber block 23 and a feeding push rod 24, wherein two ends of the feeding push rod 24 are respectively connected with a mounting hole 21 and the rubber block 23, the rubber block 23 is connected with a connecting rod, the connecting rod is connected with the rotating motor 22, the rotating motor 22 is a miniature 130 motor purchased by Shenzhen North Koch commercial and trade limited company, the rotating motor 22 is used for driving the connecting rod to rotate so as to drive the rubber block 23 to rotate, and the rubber block 23 rotates so as to drive a cable 100 connected with the rubber block 23 to convey.
Be provided with camera 25 on the bed frame 1, camera 25 is 4K high definition digtal module, and this model camera 25 can realize that the angle rotation can assist the staff to observe the condition around, and camera 25 is used for assisting the condition around the user observation equipment under manual mode.
Working principle: when in use, one end of the cable 100 is placed in the conveying hole in the clamping block 20, the distance of the feeding push rod 24 is adjusted according to the diameter of the cable 100, so that the rubber block 23 simultaneously stretches inwards and clamps the cable 100, and the rotating motor 22 is started to convey the cable 100 forwards for one end distance; then the clamping push rod 5 is contracted to separate the fixed wheels 4 from each other, the original cable 100 is inserted between the two fixed wheels 4, as shown in the attached figure 1 of the specification, then the connecting rod 6 is started to connect the original cable 100 between the two fixed wheels 4, when the connecting rod 6 is inserted at the bottom of the jack 8, the pressing rod is contracted under stress, the first return spring 11 is stretched under stress, the second return spring 12 is stretched under stress, and the locking rod 13 is extruded by the pressing rod to be ejected into the locking hole 9 from the cavity 7 so as to limit the relative movement of the connecting rod 6 and the fixed wheels 4; when the lock rod 13 is inserted into the lock hole 9, the transmitting end 16 and the abutting end of the abutting sensor abut against each other, and at the moment, the pushing rod 15 pushes the friction block 14 to move so as to enhance the friction force between the connecting rod 6 and the cable 100; as the whole assembly moves along the cable 100, the distance between the two towers is usually far during the movement process, so that the movement can be influenced by wind power and the swing of the cable 100, but the fixed wheel 4 clamps the cable 100, so that the original cable 100 and the cable 100 to be installed are relatively static in the axial direction, and the swing is small; however, during the movement, as the cable 100 is required to be installed and stretched, the original cable 100 will bend to a certain extent, the swing of the whole assembly will be enhanced, the lifting push rod 18 and the adjusting motor 181 will be started, the rotating motor 22 will start to adjust the length of the clamping cable 100, and the levelness of the whole assembly will be adjusted to keep the balance of the base frame 1; when the latter tower is reached, the lifting ram 18 moves the cable 100 (pedestal 1) to the same level as the worker, after which the corresponding rotary motor 22 is activated to deliver the cable 100 to the worker for installation.
Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A clamp assembly with freely adjustable angle and height, comprising:
a base frame provided with a mounting block;
the moving mechanism is arranged on the base frame and is used for driving the base frame to move along the cable;
the lifting mechanism is arranged on the base frame and is used for adjusting the angle of the base frame through lifting when moving so as to keep the base frame balanced; and
the conveying mechanism is arranged on the mounting block and comprises a clamping block and a feeding device, wherein the feeding device is arranged inside the clamping block and is used for conveying cables;
the moving mechanism comprises a driving motor, fixed wheels, clamping push rods, connecting rods and locking devices, wherein the driving motor is arranged inside the fixed wheels, two fixed wheels are symmetrically arranged, the clamping push rods are used for pushing the fixed wheels to move, the connecting rods are used for connecting the two fixed wheels, and the locking devices are used for limiting the relative movement of the two fixed wheels after the connecting rods are connected with the fixed wheels;
the connecting rod is provided with a cavity, the fixed wheel is provided with a rotor, the rotor is provided with a jack, a plurality of lock holes are formed around the jack, the locking device is arranged in the cavity and comprises a pressing block, a first reset spring, a second reset spring and a lock rod, the pressing block is movably inserted in the cavity, two ends of the first reset spring are respectively connected with the pressing block and the side wall of the cavity, two ends of the second reset spring are respectively connected with the lock rod and the side wall of the cavity, and the pressing block is pressed to eject the lock rod so that the lock rod is inserted into the lock holes;
the moving mechanism further comprises a friction device, the friction device comprises a friction block, a butt joint sensor and a pushing rod, an installation groove is formed in the side wall of the connecting rod, the pushing rod is arranged in the installation groove, the pushing rod is connected with the friction block, the transmitting end and the receiving end of the butt joint sensor are respectively arranged on the side wall of the lock rod and the lock hole, and when the transmitting end and the receiving end of the butt joint sensor are mutually in butt joint, the pushing rod is started.
2. The angle and height freely adjustable clamp assembly of claim 1, wherein: the moving mechanisms are provided with two groups, and the two groups of moving mechanisms are symmetrically arranged on the base frame.
3. The angle and height freely adjustable clamp assembly of claim 1, wherein: the lifting mechanism comprises a lifting push rod and a level meter, the level meter is arranged on the base frame and used for judging whether the base frame is in a horizontal state or not, and two ends of the lifting push rod are respectively connected with the fixed wheel and the base frame.
4. A clip assembly as set forth in claim 3, wherein the clip assembly is freely adjustable in angle and height: and one end of the lifting push rod is provided with an adjusting motor, and the adjusting motor is used for adjusting the angle of the lifting push rod.
5. The angle and height freely adjustable clamp assembly of claim 1, wherein: the clamping block is provided with a conveying hole, a plurality of mounting holes are formed around the conveying hole, and the feeding device is arranged in the mounting holes.
6. An angularly and highly adjustable clamp assembly according to claim 5 and wherein: the feeding device comprises a rotating motor, a rubber block and a feeding push rod, wherein two ends of the feeding push rod are respectively connected with the mounting hole and the rubber block, the rubber block is connected with a connecting rod, the connecting rod is connected with the rotating motor, and the rotating motor is used for driving the connecting rod to rotate so as to drive the rubber block to rotate.
7. The angle and height freely adjustable clamp assembly of claim 1, wherein: and a camera is arranged on the base frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310731908.9A CN116759940B (en) | 2023-06-20 | 2023-06-20 | Clamping assembly with freely adjustable angle and height |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310731908.9A CN116759940B (en) | 2023-06-20 | 2023-06-20 | Clamping assembly with freely adjustable angle and height |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116759940A CN116759940A (en) | 2023-09-15 |
| CN116759940B true CN116759940B (en) | 2023-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310731908.9A Active CN116759940B (en) | 2023-06-20 | 2023-06-20 | Clamping assembly with freely adjustable angle and height |
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| Country | Link |
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| CN (1) | CN116759940B (en) |
Citations (6)
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|---|---|---|---|---|
| KR100846744B1 (en) * | 2007-04-11 | 2008-07-16 | (주)대홍전력 | Transfer apparatus of robot for inspecting distribution power line |
| CN107196235A (en) * | 2017-07-20 | 2017-09-22 | 长沙理工大学 | Transmission line wire repairing Winder, robot and conducting wire mending operational method |
| CN112217155A (en) * | 2020-10-22 | 2021-01-12 | 赵艳春 | Electric wire stripping and recycling device |
| CN113651183A (en) * | 2021-08-24 | 2021-11-16 | 成渝钒钛科技有限公司 | Cable branching device for reducing variety steel production research and use method thereof |
| CN114180395A (en) * | 2021-12-01 | 2022-03-15 | 三峡大学 | Stable clamping and pulling device for erecting electric wire in power transmission line and using method thereof |
| CN217427490U (en) * | 2022-05-31 | 2022-09-13 | 杨杰 | Cable erection strutting arrangement that electromechanical installation used |
-
2023
- 2023-06-20 CN CN202310731908.9A patent/CN116759940B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100846744B1 (en) * | 2007-04-11 | 2008-07-16 | (주)대홍전력 | Transfer apparatus of robot for inspecting distribution power line |
| CN107196235A (en) * | 2017-07-20 | 2017-09-22 | 长沙理工大学 | Transmission line wire repairing Winder, robot and conducting wire mending operational method |
| CN112217155A (en) * | 2020-10-22 | 2021-01-12 | 赵艳春 | Electric wire stripping and recycling device |
| CN113651183A (en) * | 2021-08-24 | 2021-11-16 | 成渝钒钛科技有限公司 | Cable branching device for reducing variety steel production research and use method thereof |
| CN114180395A (en) * | 2021-12-01 | 2022-03-15 | 三峡大学 | Stable clamping and pulling device for erecting electric wire in power transmission line and using method thereof |
| CN217427490U (en) * | 2022-05-31 | 2022-09-13 | 杨杰 | Cable erection strutting arrangement that electromechanical installation used |
Non-Patent Citations (1)
| Title |
|---|
| 能源与动力工程中节能技术发展与应用研究;李杰;《中国设备工程》;139-141 * |
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