CN213692947U - Cable tensioning device for laying power line - Google Patents
Cable tensioning device for laying power line Download PDFInfo
- Publication number
- CN213692947U CN213692947U CN202022128059.2U CN202022128059U CN213692947U CN 213692947 U CN213692947 U CN 213692947U CN 202022128059 U CN202022128059 U CN 202022128059U CN 213692947 U CN213692947 U CN 213692947U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- cable
- motor
- power line
- gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Electric Cable Installation (AREA)
Abstract
The utility model discloses a cable straining device of usefulness is laid to power line, including the motion base, rotate the clamping bar, electronic telescoping cylinder, two sets of arc frid of motion base upper portion fixedly connected with, the arc inslot of arc frid all is provided with a set of rotation clamping bar, fixedly connected with pivot between two sets of rotation clamping bar in the installation cavity, the inside first motor of installation cavity, equal fixedly connected with installation shell on the top lateral surface of every group rotation clamping bar, fixed mounting has electronic telescoping cylinder in the installation shell, the end fixedly connected with clamp splice of electronic telescoping cylinder, the one end fixedly connected with thread rolling platform of arc frid is kept away from on motion base upper portion, the motion inslot internal rotation of thread rolling platform is connected with the line roller, motion groove top fixed mounting has the second motor. The utility model has the advantages of can realize the taut effect of cable, be convenient for the cable fixed, alleviate working strength, accelerate work efficiency, its mainly used cable is laid.
Description
Technical Field
The utility model relates to an electric power lays technical field, specific cable straining device of usefulness is laid to electric power circuit that says so.
Background
When the electric power cable is laid, generally, pass the line pole with the cable earlier, later fix the cable on the line pole again, and when fixing the cable, all need take-up the cable, thereby avoid the cable flagging, cause the occurence of failure, among the prior art, when taking-up the cable, all be the manual work and pull the cable, thereby take-up the cable, just so make the cable pull more, the required power of staff just more is big more, therefore very physical power consumes, work efficiency is not high enough, and when fixing the cable, the staff on the line pole can't control the elasticity of cable according to fixed demand, be not convenient for the cable to fix.
Disclosure of Invention
To the above-mentioned weak point that exists among the prior art, the utility model aims at providing a can realize the taut effect of cable, be convenient for the cable fixed, alleviate working strength, accelerate work efficiency's cable straining device.
The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: a cable tensioning device for laying a power line comprises a motion base, a rotating clamping rod and an electric telescopic cylinder, wherein two groups of arc-shaped groove plates are fixedly connected to the upper part of the motion base close to one end of the motion base, arc grooves are formed in the arc-shaped groove plates, an installation cavity is formed in the motion base, the arc grooves are communicated with the installation cavity, a group of the rotating clamping rods are arranged in each group of the arc grooves, the bottom end of each rotating clamping rod is positioned in the installation cavity, a rotating shaft is fixedly connected between the two groups of the rotating clamping rods in the installation cavity, two ends of each rotating shaft are rotatably connected to the inner wall of the installation cavity, a first gear is fixedly connected to each rotating shaft, a first motor is fixedly installed in the installation cavity, a second gear is fixedly connected to the rotating shaft of the first motor and is meshed with the first gear, the first motor can drive the rotating clamping rods to do arc motion in the arc grooves, the outer side face of the top end of each group of rotating clamping rods is fixedly connected with an installation shell, the electric telescopic cylinder is fixedly installed in the installation shell, the end of the electric telescopic cylinder penetrates out of the rotating clamping rods, the end of the electric telescopic cylinder is fixedly connected with clamping blocks, and the two groups of clamping blocks can be pushed to be close to each other through the two groups of electric telescopic cylinders, so that the cables can be clamped and fixed;
the motion base upper portion is kept away from the one end fixedly connected with thread rolling platform of arc frid, thread rolling platform bottom is provided with the motion groove, the motion inslot internal rotation is connected with the line roller, just it is close to walk the line roller the top surface of motion base, motion groove top fixed mounting has the second motor, fixedly connected with third gear in the axis of rotation of second motor, fixedly connected with fourth gear on the line roller walks, the third gear with fourth gear engagement is connected, can drive through the second motor walk the line roller and rotate for the cable passes behind the gap between line roller and the motion base, it can drive the cable and carry backward to walk the line roller.
The rolling table is located, an integrated control cavity is arranged on the upper portion of the movement groove, a first single chip microcomputer and a first wireless signal receiving and transmitting module are arranged inside the integrated control cavity, the first motor, the second motor, the electric telescopic cylinder and the first wireless signal receiving and transmitting module are in signal connection with the first single chip microcomputer, and the first wireless signal receiving and transmitting module is in wireless connection with a remote control device.
The remote control device comprises a remote control shell, a second wireless signal transceiving module and a second single chip microcomputer, wherein the second wireless signal transceiving module and the second single chip microcomputer are arranged in the remote control shell, a plurality of groups of remote control buttons are embedded outside the remote control shell, the remote control buttons and the second wireless signal transceiving module are in signal connection with the second single chip microcomputer, and the first wireless signal transceiving module is in signal connection with the second wireless signal transceiving module.
The motion base is provided with a ground control console close to the arc-shaped groove plate, the ground control console is provided with a plurality of groups of control buttons, and the remote control buttons are in signal connection with the first single chip microcomputer.
The first single chip microcomputer and the second single chip microcomputer are 51 series single chip microcomputers, and the first wireless signal receiving and transmitting module and the second wireless signal receiving and transmitting module are 2.4g wireless modules.
Walk the line roller including roll body and fixed connection and be in the roller at roll body both ends, the roller rotates to be connected on the both sides wall of motion groove, fourth gear fixed connection is wherein a set of on the roller, a set of mounting panel of motion groove top fixedly connected with, second motor fixed mounting be in on the mounting panel.
The surface of the roller body is provided with rough surfaces, and the surfaces of the two groups of clamping blocks opposite to each other are also rough surfaces.
The bottom of the motion base is fixedly connected with a plurality of groups of motion wheels, and one end of the motion base, which is close to the thread rolling table, is fixedly connected with a handle.
The motion base with what the installation cavity communicates is provided with the maintenance mouth, the gomphosis is installed the closure plate in the maintenance mouth, the last side pull that is located of motion base the installation cavity is provided with the multiunit drawer.
And a storage battery is arranged in the mounting cavity.
The utility model has the advantages that: this device can drive the line roller through the second motor and rotate, thereby the cable that drops ground through the line roller transports backward, and fixed staff then scrambles to the line pole on, after the line roller transports the cable that most dropped to the rear portion, the supplementary staff on ground can place the cable between two sets of clamp blocks, it is fixed to carry out the centre gripping with the cable through electronic telescoping cylinder, later control first motor rotates, thereby drive two sets of rotation clamp bars and rotate, thereby it rotates to strain the cable, fixed staff is then very convenient for fix the cable on the line pole after the tensioning, and still can be through the elasticity of remote control unit control cable, it is fixed to be convenient for the cable more, make do not need personnel to strain the cable always, the working strength is lightened, and work efficiency is accelerated.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of another angle structure of the present invention;
FIG. 3 is a schematic view of the internal structure of the middle installation cavity of the present invention;
fig. 4 is a schematic diagram of the signal transmission in the present invention.
In the figure: the device comprises a motion base 1, a rotation clamping rod 2, an electric telescopic cylinder 3, an arc-shaped groove plate 4, an arc-shaped groove 5, an installation cavity 6, a rotating shaft 7, a first gear 8, a first motor 9, a second gear 10, an installation shell 11, a clamping block 12, a thread rolling table 13, a thread running roller 14, a second motor 15, a third gear 16, a fourth gear 17, a roller body 18, a roller shaft 19, an installation plate 20, a first single chip microcomputer 21, a first wireless signal transceiver module 22, a remote control device 23, a second wireless signal transceiver module 24, a second single chip microcomputer 25, a remote control button 26, a ground control table 27, a control button 28, a motion wheel 29, a handle 30, a sealing plate 31, a drawer 32 and a storage battery 33.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example one
Referring to fig. 1-3, a cable tensioning device for laying power lines comprises a moving base 1, a rotating clamping rod 2 and an electric telescopic cylinder 3, wherein two groups of arc-shaped groove plates 4 are fixedly connected to the upper part of the moving base 1 near one end of the moving base, arc-shaped grooves 5 are arranged on the arc-shaped groove plates 4, a mounting cavity 6 is arranged inside the moving base 1, the arc-shaped grooves 5 are communicated with the mounting cavity 6, a group of rotating clamping rods 2 are arranged in each group of arc-shaped grooves 5, the bottom end of each rotating clamping rod 2 is arranged in the mounting cavity 6, a rotating shaft 7 is fixedly connected between the two groups of rotating clamping rods 2 in the mounting cavity 6, two ends of each rotating shaft 7 are rotatably connected to the inner wall of the mounting cavity 6, a first gear 8 is fixedly connected to the rotating shaft 7, a first motor 9 is fixedly arranged inside the mounting cavity 6, a second gear 10 is fixedly connected to the rotating shaft of the first motor 9, and, the rotary clamping rods 2 can be driven to do arc motion in the arc grooves 5 through the first motor 9, the outer side face of the top end of each group of rotary clamping rods 2 is fixedly connected with an installation shell 11, an electric telescopic cylinder 3 is fixedly installed in the installation shell 11, the end of the electric telescopic cylinder 3 penetrates out of the rotary clamping rods 2, the end of the electric telescopic cylinder 3 is fixedly connected with clamping blocks 12, and the two groups of clamping blocks 12 can be pushed to be close to each other through the two groups of electric telescopic cylinders 3, so that the cables can be clamped and fixed;
one end fixedly connected with thread rolling platform 13 that the arc frid 4 is kept away from on motion base 1 upper portion, thread rolling platform 13 bottom is provided with the motion groove, the rotation is connected with line roller 14 in the motion groove, and line roller 14 is close to the top surface of motion base 1, motion groove top fixed mounting has second motor 15, fixedly connected with third gear 16 in the axis of rotation of second motor 15, fixedly connected with fourth gear 17 on the line roller 14, third gear 16 is connected with the meshing of fourth gear 17, can drive line roller 14 through second motor 15 and rotate, make the cable pass behind the gap between line roller 14 and the motion base 1, line roller 14 can drive the cable and carry backward.
In this embodiment, the routing roller 14 includes the roll body 18 and the roller 19 of fixed connection at roll body 18 both ends, and roller 19 rotates to be connected on the both sides wall of motion groove, and fourth gear 17 fixed connection is on one of them a set of roller 19, a set of mounting panel 20 of motion groove top fixedly connected with, and second motor 15 fixed mounting is on mounting panel 20 to this realizes that second motor 15 is to the drive of routing roller 14.
Example two
Referring to fig. 1-4, a cable tensioning device for laying an electric power line is further optimized on the basis of the first embodiment, an integrated control cavity is arranged on the upper portion of a moving groove on a cable rolling table 13, a first single chip microcomputer 21 and a first wireless signal transceiver module 22 are arranged inside the integrated control cavity, a first motor 9, a second motor 15, an electric telescopic cylinder 3 and the first wireless signal transceiver module 22 are in signal connection with the first single chip microcomputer 21, the first wireless signal transceiver module 22 is in wireless connection with a remote control device 23, so that a worker who fixes a cable on a cable rod can carry the remote control device 23, and the remote control device 23 can remotely control the rotation of the first motor 9, thereby facilitating the control of the tightness of the cable and the fixation of the cable.
In this embodiment, the remote control device 23 comprises a remote control housing, and a second wireless signal transceiver module 24 and a second single chip microcomputer 25 which are arranged in the remote control housing, a plurality of groups of remote control buttons 26 are embedded and installed outside the remote control housing, the remote control buttons 26 and the second wireless signal transceiver module 24 are in signal connection with the second single chip microcomputer 25, the first wireless signal transceiver module 22 is in signal connection with the second wireless signal transceiver module 24, a control signal is generated through a remote control button 26 and transmitted to a second single chip microcomputer 25, the second single chip microcomputer 25 transmits the signal to a second wireless signal transceiver module 24, the second wireless signal transceiver module 24 wirelessly transmits the signal to a first wireless signal transceiver module 22, the first wireless signal transceiver module 22 transmits the signal to a first single chip microcomputer 21, and the first single chip microcomputer 21 controls a first motor 9 according to the signal, so that the effect of remotely controlling the first motor 9 to work is achieved;
further, be provided with ground control cabinet 27 near arc frid 4 on motion base 1, be provided with multiunit control button 28 on the ground control cabinet 27, remote control button 26 and first singlechip 21 signal connection can realize the control of ground auxiliary personnel to the device through control button 28 on the ground control cabinet 27 to satisfy the practical demand of device more, and ground control's priority is greater than remote control's priority.
In this embodiment, the first single chip microcomputer 21 and the second single chip microcomputer 25 both adopt 51-series single chip microcomputers, and the first wireless signal transceiver module 22 and the second wireless signal transceiver module 24 both adopt 2.4g wireless modules.
EXAMPLE III
Referring to fig. 1-4, a cable tensioning device for laying power lines, which is further supplemented by the first embodiment, the surface of the roller body 18 is a rough surface, and the opposite surfaces of the two sets of clamping blocks 12 are also rough surfaces, which can increase the friction between the rough surfaces and the cables, thereby facilitating the transmission and clamping fixation of the cables;
a plurality of groups of moving wheels 29 are fixedly connected to the bottom of the moving base 1, a handle 30 is fixedly connected to one end of the moving base 1 close to the thread rolling table 13, and the moving wheels 29 and the handle 30 can be used for conveniently carrying the device, so that the working strength is reduced;
a maintenance port is formed in the motion base 1 and communicated with the installation cavity 6, a sealing plate 31 is embedded in the maintenance port, maintenance and repair can be performed on an internal mechanism by opening the sealing plate 31, the service life of the device is ensured, a plurality of groups of drawers 32 are arranged on the motion base 1 and positioned on the side edge of the installation cavity 6 in a pulling mode, and a plurality of groups of tools can be placed through the drawers 32, so that the device is more practical;
the storage battery 33 is arranged in the installation cavity 6, and the storage battery 33 supplies power to the whole device (each motor, the electric telescopic cylinder and the first single chip microcomputer), so that the problem of inconvenient determination of external power utilization can be solved.
The working principle of the device is as follows: when laying cables, firstly, the cables penetrate through the wire rods, then, a fixing worker can carry the remote control device 23 to climb onto the wire rods, then, the ground worker can enable the cables falling on the ground to penetrate through gaps between the wire running rollers 14 and the moving base 1, the wire running rollers 14 are driven to rotate through the second motor 15, so that the cables falling on the ground are transported backwards, when most of the cables on the ground are transported to the rear part, the cables can be placed between the two groups of clamping blocks 12, the clamping blocks 12 are driven by the electric telescopic cylinder 3 to clamp and fix the cables, then, the fixing worker can control the first motor 9 to rotate through the remote control device 23, so that the first motor 9 can drive the two groups of rotating clamping rods 2 to rotate towards the wire rolling table 13, so that the cables are pulled, the tensioning effect of the cables is realized, and the fixing worker can control the rotation of the first motor 9 according to the fixing requirements, the rotation angle and the direction of the rotating clamping rod 2 are controlled, so that the tightness of the cable is controlled, and the cable is convenient to fix.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides a cable straining device of usefulness is laid to power line which characterized in that: the telescopic electric telescopic mechanism comprises a moving base (1), rotating clamping rods (2) and an electric telescopic cylinder (3), wherein two groups of arc-shaped groove plates (4) are fixedly connected to the upper portion of the moving base (1) close to one end of the moving base, arc grooves (5) are formed in the arc-shaped groove plates (4), an installation cavity (6) is arranged in the moving base (1), the arc grooves (5) are communicated with the installation cavity (6), one group of the rotating clamping rods (2) are arranged in each group of the arc grooves (5), the bottom end of each rotating clamping rod (2) is located in the installation cavity (6), a rotating shaft (7) is fixedly connected between the two groups of the rotating clamping rods (2) in the installation cavity (6), two ends of each rotating shaft (7) are rotatably connected to the inner wall of the installation cavity (6), a first gear (8) is fixedly connected to the rotating shafts (7), and a first motor (9) is fixedly installed in the installation cavity (6), a second gear (10) is fixedly connected to a rotating shaft of the first motor (9), the second gear (10) is meshed with the first gear (8) to enable the first motor (9) to drive the rotating clamping rods (2) to do arc motion in the arc grooves (5), an installation shell (11) is fixedly connected to the outer side face of the top end of each rotating clamping rod (2), the electric telescopic cylinder (3) is fixedly installed in the installation shell (11), the end of the electric telescopic cylinder (3) penetrates out of the rotating clamping rods (2), clamping blocks (12) are fixedly connected to the end of the electric telescopic cylinder (3), and the two groups of clamping blocks (12) can be pushed to be close to each other through the two groups of electric telescopic cylinders (3) to clamp and fix a cable;
one end of the upper part of the moving base (1) far away from the arc-shaped groove plate (4) is fixedly connected with a thread rolling table (13), a moving groove is arranged at the bottom of the thread rolling table (13), a thread running roller (14) is rotationally connected in the moving groove, the wire feeding roller (14) is close to the top surface of the moving base (1), a second motor (15) is fixedly arranged at the top of the moving groove, a third gear (16) is fixedly connected on a rotating shaft of the second motor (15), a fourth gear (17) is fixedly connected to the wire feeding roller (14), the third gear (16) is meshed with the fourth gear (17), can drive through second motor (15) line roller (14) rotate for the cable passes behind the gap between line roller (14) and the motion base (1), line roller (14) can drive the cable and carry backward.
2. A cable tensioner for electric power line laying according to claim 1, characterized in that: the rolling table (13) is located on the upper portion of the moving groove, an integrated control cavity is formed in the upper portion of the moving groove, a first single chip microcomputer (21) and a first wireless signal receiving and sending module (22) are arranged inside the integrated control cavity, the first motor (9), the second motor (15), the electric telescopic cylinder (3) and the first wireless signal receiving and sending module (22) are in signal connection with the first single chip microcomputer (21), and the first wireless signal receiving and sending module (22) is in wireless connection with a remote control device (23).
3. A cable tensioner for electric power line laying according to claim 2, characterized in that: remote control unit (23) are in including remote control shell and setting inside second wireless signal transceiver module (24), second singlechip (25) of remote control shell, the outside gomphosis of remote control shell installs multiunit remote control button (26), second wireless signal transceiver module (24) all with second singlechip (25) signal connection, first wireless signal transceiver module (22) with second wireless signal transceiver module (24) signal connection.
4. A cable tensioner for electric power line laying according to claim 3, characterized in that: the motion base (1) is provided with a ground control console (27) close to the arc-shaped groove plate (4), the ground control console (27) is provided with a plurality of groups of control buttons (28), and the remote control buttons (26) are in signal connection with the first single chip microcomputer (21).
5. A cable tensioner for laying an electric power line according to claim 4, wherein: the first single chip microcomputer (21) and the second single chip microcomputer (25) both adopt 51 series single chip microcomputers, and the first wireless signal receiving and transmitting module (22) and the second wireless signal receiving and transmitting module (24) both adopt 2.4g wireless modules.
6. A cable tensioner for electric power line laying according to claim 1, characterized in that: walk line roller (14) including roll body (18) and fixed connection be in roll shaft (19) at roll body (18) both ends, roll shaft (19) rotate to be connected on the both sides wall of motion groove, fourth gear (17) fixed connection is wherein a set of on roll shaft (19), motion groove top fixedly connected with a set of mounting panel (20), second motor (15) fixed mounting be in on mounting panel (20).
7. A cable tensioner for laying an electric power line according to claim 6, wherein: the surface of the roller body (18) is provided with rough surfaces, and the opposite surfaces of the two groups of clamping blocks (12) also adopt rough surfaces.
8. A cable tensioner for electric power line laying according to claim 1, characterized in that: the bottom of the moving base (1) is fixedly connected with a plurality of groups of moving wheels (29), and one end of the moving base (1) close to the thread rolling table (13) is fixedly connected with a handle (30).
9. A cable tensioner for electric power line laying according to claim 1, characterized in that: the motion base (1) go up with what installation cavity (6) communicate is provided with the maintenance mouth, the gomphosis is installed in the maintenance mouth and is closed board (31), lie in on motion base (1) the side pull of installation cavity (6) is provided with multiunit drawer (32).
10. A cable tensioner for electric power line laying according to claim 1, characterized in that: and a storage battery (33) is arranged in the mounting cavity (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022128059.2U CN213692947U (en) | 2020-09-25 | 2020-09-25 | Cable tensioning device for laying power line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022128059.2U CN213692947U (en) | 2020-09-25 | 2020-09-25 | Cable tensioning device for laying power line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213692947U true CN213692947U (en) | 2021-07-13 |
Family
ID=76749623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022128059.2U Active CN213692947U (en) | 2020-09-25 | 2020-09-25 | Cable tensioning device for laying power line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213692947U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112234509A (en) * | 2020-09-25 | 2021-01-15 | 国网山西省电力公司忻州供电公司 | Cable tensioning device for laying power line |
-
2020
- 2020-09-25 CN CN202022128059.2U patent/CN213692947U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112234509A (en) * | 2020-09-25 | 2021-01-15 | 国网山西省电力公司忻州供电公司 | Cable tensioning device for laying power line |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105186385B (en) | Intelligent cable lays dolly | |
| CN205397729U (en) | Cable taking -up device | |
| CN213692947U (en) | Cable tensioning device for laying power line | |
| CN114476820B (en) | Conveying device for power cable laying | |
| CN112054436A (en) | Electric power engineering circuit laying protection device and implementation method thereof | |
| CN206992596U (en) | A kind of portable distribution line Electrified fastening device | |
| CN100596288C (en) | Line climbing robot | |
| CN208782377U (en) | Dual-purpose type turn-buckle | |
| CN112234509A (en) | Cable tensioning device for laying power line | |
| CN109592512B (en) | Cable is accomodate arrangement and is wrapped up in attaches device | |
| CN112173891A (en) | Slip ring-free cable winding and unwinding device and method | |
| CN218788622U (en) | Cable pipeline walking device and electric cable threading device | |
| CN111731931A (en) | Cable laying system for power engineering | |
| CN217984464U (en) | Direction device mechanism for cable laying | |
| CN217126506U (en) | A novel cabling machine for wire and cable processing | |
| CN215906870U (en) | Device for limiting foundation displacement in goaf of power transmission line | |
| CN214429109U (en) | Electric wire and cable traction device | |
| CN113969749A (en) | Soft climbing equipment for maintaining communication cables | |
| CN113979219A (en) | New energy tensioner and control system thereof | |
| CN112554790A (en) | Manual-automatic integrated three-phase engineering water drilling machine | |
| CN109230811B (en) | Portable adjustable power cable paying-off device | |
| CN220998695U (en) | Limiting mechanism for cable winding and unwinding device | |
| CN217051007U (en) | Movable cable arrangement device for underground space construction | |
| CN218231277U (en) | Pay-off convenient to accomodate during transmission line construction | |
| CN211871011U (en) | Communication receiver convenient to accomodate cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |