CN112678709A - Tensioning device for power cable installation - Google Patents
Tensioning device for power cable installation Download PDFInfo
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- CN112678709A CN112678709A CN202110037848.1A CN202110037848A CN112678709A CN 112678709 A CN112678709 A CN 112678709A CN 202110037848 A CN202110037848 A CN 202110037848A CN 112678709 A CN112678709 A CN 112678709A
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Abstract
The invention discloses a tensioning device for installing a power cable, which comprises a bottom plate and the cable, wherein two vertical rods are fixedly installed on the bottom plate, lifting rods are installed on the two vertical rods through a sliding mechanism, a rotating rod is rotatably installed on the left vertical rod, a winding roller is fixedly installed on the rotating rod, a traction rope is fixedly connected between the winding roller and the lifting rods, a fixed pulley matched with the traction rope is rotatably installed on the left vertical rod, a rotating handle is fixedly installed on the rotating rod, and a clamping mechanism is installed between the rotating handle and the left vertical rod. Has the advantages that: the height of the cable can be flexibly adjusted, the cable can be more conveniently installed, the cable can be well tensioned, the tensioning degree can be controlled, and the cable can be moved and positioned quickly and conveniently and is convenient to operate.
Description
Technical Field
The invention relates to the technical field of power cables, in particular to a tensioning device for mounting a power cable.
Background
The power cable is a cable conductor which is made of one or more mutually insulated conductors and an outer insulating protection layer and is used for transmitting power or information from one place to another place, and the cable usually needs to be tensioned by a tensioning device in the installation process so as to prevent the cable from being straightened and loosened in the installation process;
the existing tensioning device has the following defects when in use:
1. the existing tensioning device is not provided with a lifting device, so that an operator needs to manually lift the cable to the height when the cable is installed and tensioned, the operation is troublesome, and the workload is large;
2. the existing tensioning device cannot firmly clamp and rapidly tension a cable when in use, and cannot control the tensioning degree of the cable, so that the cable is easy to shake and break when in tensioning operation;
3. the existing tensioning device is not provided with a mobile device, so that the cable cannot be tensioned, and the part of the tensioning device provided with the mobile device is not provided with a fixed positioning device, so that the fixed-point tensioning operation of the cable cannot be performed, and the limitation is large.
Therefore, it is desirable to design a tensioning device for power cable installation to solve the above problems.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a tensioning device for mounting a power cable.
In order to achieve the purpose, the invention adopts the following technical scheme:
a tensioning device for power cable installation comprises a bottom plate and a cable, wherein two vertical rods are fixedly installed on the bottom plate, lifting rods are installed on the two vertical rods through sliding mechanisms, a rotating rod is rotatably installed on the vertical rod on the left side, a winding roller is fixedly installed on the rotating rod, a traction rope is fixedly connected between the winding roller and the lifting rods, a fixed pulley matched with the traction rope is rotatably installed on the vertical rod on the left side, a rotating handle is fixedly installed on the rotating rod, and a clamping mechanism is installed between the rotating handle and the vertical rod on the left side;
a traction motor is fixedly mounted on the lifting rod, a traction roller is fixedly mounted on a driving end of the traction motor, a fixed groove is formed in the lifting rod, a moving block is mounted in the fixed groove through a limiting mechanism, a reset spring rope is fixedly mounted between the right end of the moving block and the inner wall of the fixed groove, a connecting rope is fixedly connected between the left end of the moving block and the traction roller, a steering wheel matched with the connecting rope is rotatably mounted in the fixed groove, a moving rod is fixedly mounted on the moving block, a fixed rod is fixedly mounted on the lifting rod, fixed boxes are fixedly mounted on the moving rod and the fixed rod, two arc plates are mounted in the two fixed boxes through a rotating mechanism, clamping plates are fixedly mounted on each arc plate through a plurality of extrusion springs, and a cable is clamped between the two corresponding clamping plates;
the lower part of bottom plate rotates through a plurality of links and installs a plurality of gyro wheels, fixed mounting has a plurality of connecting rods on the bottom plate, and all has the locating lever through slide bar slidable mounting on every connecting rod, and all sets up a plurality of constant head tanks with locating lever matched with on every gyro wheel, every all install actuating mechanism between slide bar and the corresponding connecting rod, fixed mounting has the installation pole on the slide bar, and fixed mounting has extension spring between installation pole and the connecting rod.
In the above-mentioned overspeed device tensioner for power cable installation, slide mechanism includes the trapezoidal slider of fixed mounting on the lifter, set up the trapezoidal spout with trapezoidal slider matched with on the pole setting.
In the above-mentioned overspeed device tensioner for power cable installation, block mechanism includes that slidable mounting has the kelly on changeing the handle, and has seted up a plurality of draw-in grooves with kelly matched with in the left pole setting, fixed mounting has straight board on the kelly, and fixed mounting has two compression spring between straight board and the commentaries on classics handle.
In the above tensioning device for power cable installation, the limiting mechanism includes a trapezoidal limiting strip fixedly installed on the inner wall of the fixing groove, the moving block is provided with a trapezoidal limiting groove, and the trapezoidal limiting strip is installed in the trapezoidal limiting groove in a clamping manner.
In foretell overspeed device tensioner for power cable installation, the left side fixed mounting has a plurality of conductor poles in the pole setting, and all seted up on every conductor pole with haulage rope matched with wire guide.
In foretell overspeed device tensioner for power cable installation, slewing mechanism includes the gear motor of fixed mounting in fixed box, fixed mounting has the driving gear on gear motor's the drive end, rotate through two commentaries on classics rollers in the fixed box and install two drive gears, and two arcs fixed mounting respectively on two drive gears, and two drive gears all mesh with the driving gear mutually.
In the above tensioning device for power cable installation, the starting mechanism includes a return spring rod fixedly installed on the connecting rod, a lower pressing rod is fixedly installed at the lower end of the return spring rod, a pedal and a clamping rod are fixedly installed on the lower pressing rod, and a plurality of clamping grooves matched with the clamping rod are formed in the sliding rod.
In the above tensioning device for installing the power cable, a rubber pad is fixedly installed on each clamping plate.
Compared with the prior art, the invention has the advantages that:
1: through setting up winding roller and haulage rope, only need rotate the bull stick and drive the winding roller rotate the rolling or release the haulage rope can, can stimulate the lifter during the haulage rope rolling and rise, the lifter can descend under the effect of self gravity during the haulage rope release to the height of adjustment lifter and cable that can be nimble, it is comparatively convenient.
2: through setting up block mechanism, after the high position adjustment of cable finishes, only need to remove the kelly among the block mechanism and make its block to the draw-in groove of corresponding position in the pole setting of left side in, can fix the high position of cable, make it can not take place to remove when carrying out the tensioning operation.
3: through setting up slewing mechanism and grip block, gear motor in the slewing mechanism rotates and can drive the driving gear promptly and rotate, and the driving gear rotates and can drive two drive gear with it meshing promptly and rotate to can drive the rotor and rotate and be close to each other rather than last arc, thereby can drive two grip blocks and be close to the centre gripping cable each other, can carry out comparatively firm centre gripping fixedly to the cable, make it can not take place to rock when carrying out the tensioning operation.
4: through setting up traction motor, traction motor starts and can drive the carry over pinch rolls promptly and rotate the rolling or release and connect the rope, can stimulate the movable block and move left with the cable end of fixing on it when connecting the rope rolling promptly, because the right-hand member of cable is fixed state to can carry out the tensioning operation to the cable, and the accessible control traction motor's the number of turns of rotation controls the displacement distance of movable block, thereby the tensioning degree of steerable cable.
5: through setting up gyro wheel and locating lever, constant head tank, the gyro wheel setting is at the lower extreme of bottom plate to can make this device can carry out quick removal, when needs fix the gyro wheel, only need with the locating lever block to the gyro wheel on corresponding constant head tank in can, it is comparatively convenient.
In conclusion, the cable tensioning device can flexibly adjust the height of the cable, so that the cable is more convenient to install, the cable can be tensioned well, the tensioning degree can be controlled, the movement and the positioning are both quick and convenient, and the operation is convenient and fast.
Drawings
Fig. 1 is a schematic structural diagram of a tensioning device for power cable installation according to the present invention;
FIG. 2 is an enlarged view of a node at the point A in FIG. 1;
FIG. 3 is a side view of the fixing case of FIG. 1 and its upper portion coupling structure;
FIG. 4 is an enlarged view of the connection structure of the vertical rod and the rotating rod on the left side of FIG. 1 and the upper part thereof;
FIG. 5 is an enlarged view of the connection structure of the base plate, the connection frame, the roller and the upper portion thereof in FIG. 1;
fig. 6 is an enlarged view of a node at a portion B in fig. 5.
In the figure: the device comprises a base plate 1, a vertical rod 2, a lifting rod 3, a rotating rod 4, a wire guide rod 5, a traction rope 6, a fixed pulley 7, a connecting frame 8, a roller 9, a traction motor 10, a traction roller 11, a fixed groove 12, a return spring rope 13, a fixed rod 14, an arc-shaped plate 15, a cable 16, a movable rod 17, a movable block 18, a steering wheel 19, a fixed box 20, a winding roller 21, a rotating handle 22, a clamping rod 23, a straight plate 24, a compression spring 25, a clamping groove 26, a speed reduction motor 27, a driving gear 28, a transmission gear 29, a clamping plate 30, an extrusion spring 31, a rotating roller 32, a connecting rod 33, a sliding rod 34, a return spring rod 35, a lower pressing rod 36, a pedal 37, a positioning groove 38, a clamping groove 39, a clamping rod 40, a positioning rod.
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 "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-6, a power cable installation tensioner comprises a base plate 1 and a cable 16, wherein two upright posts 2 are fixedly installed on the base plate 1, lifting rods 3 are installed on the two upright posts 2 through sliding mechanisms, a rotating rod 4 is rotatably installed on the left upright post 2, a winding roller 21 is fixedly installed on the rotating rod 4, a traction rope 6 is fixedly connected between the winding roller 21 and the lifting rod 3, a fixed pulley 7 matched with the traction rope 6 is rotatably installed on the left upright post 2, a rotating handle 22 is fixedly installed on the rotating rod 4, and a clamping mechanism is installed between the rotating handle 22 and the left upright post 2;
the following points are notable:
1. the sliding mechanism comprises a trapezoidal sliding block fixedly mounted on the lifting rod 3, a trapezoidal sliding groove matched with the trapezoidal sliding block is formed in the vertical rod 2, and the sliding mechanism is used for enabling the lifting rod 3 to move up and down only on the vertical rod 2 and cannot deviate and separate from the vertical rod 2.
2. Only need rotate bull stick 4 drive winding roller 21 rotate rolling or release haulage rope 6 can, can stimulate lifter 3 during the rolling of haulage rope 6 and rise, lifter 3 can descend under the effect of self gravity when haulage rope 6 releases to adjustment lifter 3 that can be nimble and cable 16's height, it is comparatively convenient.
3. Fixed mounting has a plurality of guide wire poles 5 on the pole setting 2 of left side, and all seted up on every guide wire pole 5 with 6 matched with wire holes of haulage rope, guide wire pole 5 plays 6 effects of spacing haulage rope with the wire hole for make haulage rope 6 can not take place to rock at the in-process that pulls the release.
4. Clamping mechanism includes slidable mounting and changes the kelly 23 on 22, and set up a plurality of draw-in grooves 26 with kelly 23 matched with on the left pole setting 2, fixed mounting has straight board 24 on the kelly 23, and straight board 24 and change two compression spring 25 of fixed mounting between 22, after the height position adjustment of cable 16 finishes, only need to remove kelly 23 and make its block to the draw-in groove 26 of the corresponding position in the left pole setting 2 in, can fix the height position of cable 16, make it can not take place to remove when carrying out the tensioning operation.
A traction motor 10 is fixedly arranged on the lifting rod 3, a traction roller 11 is fixedly arranged on the driving end of the traction motor 10, a fixed groove 12 is arranged in the lifting rod 3, a moving block 18 is arranged in the fixed groove 12 through a limiting mechanism, a return spring rope 13 is fixedly arranged between the right end of the moving block 18 and the inner wall of the fixed groove 12, a connecting rope is fixedly connected between the left end of the moving block 18 and the traction roller 11, a steering wheel 19 matched with the connecting rope is rotatably arranged in the fixed groove 12, a moving rod 17 is fixedly arranged on the moving block 18, a fixed rod 14 is fixedly arranged on the lifting rod 3, and the movable rod 17 and the fixed rod 14 are both fixedly provided with a fixed box 20, two arc-shaped plates 15 are respectively arranged in the two fixed boxes 20 through a rotating mechanism, each arc-shaped plate 15 is fixedly provided with a clamping plate 30 through a plurality of extrusion springs 31, and the cable 16 is clamped between the two corresponding clamping plates 30;
the following points are notable:
1. limiting mechanism includes the trapezoidal spacing strip of fixed mounting on fixed slot 12 inner wall, has seted up trapezoidal spacing groove on movable block 18, and trapezoidal spacing strip block installs at trapezoidal spacing inslot, and limiting mechanism is used for making movable block 18 carry out horizontal migration only in fixed slot 12, and can not take place skew and separation with between the fixed slot 12.
2. The slewing mechanism includes gear motor 27 of fixed mounting in fixed box 20, fixed mounting has driving gear 28 on gear motor 27's the drive end, rotate through two commentaries on classics rollers 32 in the fixed box 20 and install two drive gear 29, and two arcs 15 are fixed mounting respectively on two drive gear 29, and two drive gear 29 all mesh with driving gear 28 mutually, gear motor 27 rotates and can drive driving gear 28 and rotate, driving gear 28 rotates and can drive two drive gear 29 with it meshing and rotate, thereby can drive commentaries on classics roller 32 and rotate and be close to each other with last arc 15, thereby can drive two grip blocks 30 and be close to each other centre gripping cable 16, can carry out comparatively firm centre gripping fixedly to cable 16, make it can not take place to rock when carrying out the tensioning operation.
3. Each clamping plate 30 is fixedly provided with a rubber pad, and the rubber pads can play a role in protecting the cable 16 and can increase the friction force between the clamping plates 30 and the cable 16, so that the clamping and fixing effects on the cable 16 can be further increased.
4. The traction motor 10 is started to drive the traction roller 11 to rotate and wind or release the connecting rope, the movable block 18 and the end part of the cable 16 fixed on the movable block can be pulled to move leftwards when the connecting rope is wound, the right end of the cable 16 is in a fixed state, so that the cable 16 can be tensioned, the moving distance of the movable block 18 can be controlled by controlling the number of rotation turns of the traction motor 10, and the tensioning degree of the cable 16 can be controlled.
A plurality of idler wheels 9 are rotatably mounted on the lower portion of the bottom plate 1 through a plurality of connecting frames 8, a plurality of connecting rods 33 are fixedly mounted on the bottom plate 1, a positioning rod 41 is slidably mounted on each connecting rod 33 through a sliding rod 34, a plurality of positioning grooves 38 matched with the positioning rods 41 are formed in each idler wheel 9, a starting mechanism is mounted between each sliding rod 34 and the corresponding connecting rod 33, a mounting rod 42 is fixedly mounted on each sliding rod 34, and a tension spring 43 is fixedly mounted between each mounting rod 42 and each connecting rod 33;
the above is noteworthy for the following two points:
1. the gyro wheel 9 sets up the lower extreme at bottom plate 1 to can make this device can carry out quick removal, when needs fix gyro wheel 9, only need with locating lever 41 block to gyro wheel 9 on corresponding constant head tank 38 in can, it is comparatively convenient.
2. The starting mechanism comprises a return spring rod 35 fixedly installed on the connecting rod 33, a lower pressing rod 36 is fixedly installed at the lower end of the return spring rod 35, a pedal 37 and a clamping rod 40 are fixedly installed on the lower pressing rod 36, a plurality of clamping grooves 39 matched with the clamping rods 40 are formed in the sliding rod 34, when the fixed state of the roller 9 needs to be relieved, the pedal 37 is only needed to be stepped to drive the lower pressing rod 36 to descend, the lower pressing rod 36 descends to drive the clamping rod 40 to descend to leave the clamping grooves 39, the sliding rod 34 resets and slides under the action of an extension spring 43 at the moment, so that the positioning rod 41 can be driven to move and leave the positioning groove 38, and the fixed state of the roller 9 can be relieved.
Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The tensioning device for power cable installation comprises a base plate (1) and a cable (16), and is characterized in that two upright rods (2) are fixedly mounted on the base plate (1), lifting rods (3) are mounted on the two upright rods (2) through a sliding mechanism, a rotating rod (4) is rotatably mounted on the upright rod (2) on the left side, winding rollers (21) are fixedly mounted on the rotating rod (4), a traction rope (6) is fixedly connected between the winding rollers (21) and the lifting rods (3), a fixed pulley (7) matched with the traction rope (6) is rotatably mounted on the upright rod (2) on the left side, rotating handles (22) are fixedly mounted on the rotating rod (4), and a clamping mechanism is mounted between the rotating handles (22) and the upright rod (2) on the left side;
a traction motor (10) is fixedly mounted on the lifting rod (3), a traction roller (11) is fixedly mounted on a driving end of the traction motor (10), a fixed groove (12) is formed in the lifting rod (3), a movable block (18) is mounted in the fixed groove (12) through a limiting mechanism, a reset spring rope (13) is fixedly mounted between the right end of the movable block (18) and the inner wall of the fixed groove (12), a connecting rope is fixedly connected between the left end of the movable block (18) and the traction roller (11), a steering wheel (19) matched with the connecting rope is rotatably mounted in the fixed groove (12), a movable rod (17) is fixedly mounted on the movable block (18), a fixed rod (14) is fixedly mounted on the lifting rod (3), fixed boxes (20) are fixedly mounted on the movable rod (17) and the fixed rod (14), and two arc plates (15) are mounted in the fixed boxes (20) through a rotating mechanism, each arc-shaped plate (15) is fixedly provided with a clamping plate (30) through a plurality of extrusion springs (31), and the cable (16) is clamped between the two corresponding clamping plates (30);
the lower part of bottom plate (1) is rotated through a plurality of link (8) and is installed a plurality of gyro wheels (9), fixed mounting has a plurality of connecting rods (33) on bottom plate (1), and all has locating lever (41) through slide bar (34) slidable mounting on every connecting rod (33), and all seted up a plurality ofly on every gyro wheel (9) and locating lever (41) matched with constant head tank (38), every all install actuating mechanism between slide bar (34) and corresponding connecting rod (33), fixed mounting has installation pole (42) on slide bar (34), and fixed mounting has extension spring (43) between installation pole (42) and connecting rod (33).
2. The tensioning device for installing the power cable as claimed in claim 1, wherein the sliding mechanism comprises a trapezoidal sliding block fixedly installed on the lifting rod (3), and the vertical rod (2) is provided with a trapezoidal sliding groove matched with the trapezoidal sliding block.
3. The tensioning device for mounting the power cable as claimed in claim 1, wherein the clamping mechanism comprises a clamping rod (23) slidably mounted on the rotating handle (22), the vertical rod (2) on the left side is provided with a plurality of clamping grooves (26) matched with the clamping rod (23), the clamping rod (23) is fixedly provided with a straight plate (24), and two compression springs (25) are fixedly mounted between the straight plate (24) and the rotating handle (22).
4. The tensioning device for installing the power cable as claimed in claim 1, wherein the limiting mechanism comprises a trapezoidal limiting strip fixedly installed on the inner wall of the fixing groove (12), the moving block (18) is provided with a trapezoidal limiting groove, and the trapezoidal limiting strip is installed in the trapezoidal limiting groove in a clamping manner.
5. The tensioning device for installing the power cable as claimed in claim 3, wherein a plurality of wire guides (5) are fixedly installed on the vertical rod (2) on the left side, and each wire guide (5) is provided with a wire guide hole matched with the traction rope (6).
6. The tensioning device for mounting the power cable as claimed in claim 1, wherein the rotating mechanism comprises a speed reducing motor (27) fixedly mounted in a fixed box (20), a driving gear (28) is fixedly mounted on a driving end of the speed reducing motor (27), two transmission gears (29) are rotatably mounted in the fixed box (20) through two rotating rollers (32), the two arc plates (15) are respectively and fixedly mounted on the two transmission gears (29), and the two transmission gears (29) are both meshed with the driving gear (28).
7. The tensioning device for installing the power cable as claimed in claim 1, wherein the actuating mechanism comprises a return spring rod (35) fixedly mounted on the connecting rod (33), a lower pressing rod (36) is fixedly mounted at the lower end of the return spring rod (35), a pedal (37) and a clamping rod (40) are fixedly mounted on the lower pressing rod (36), and a plurality of clamping grooves (39) matched with the clamping rod (40) are formed in the sliding rod (34).
8. A tensioning device for installing power cables as claimed in claim 1, characterized in that a rubber pad is fixedly mounted on each clamping plate (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110037848.1A CN112678709B (en) | 2021-01-12 | 2021-01-12 | Tensioning device for power cable installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110037848.1A CN112678709B (en) | 2021-01-12 | 2021-01-12 | Tensioning device for power cable installation |
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| Publication Number | Publication Date |
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| CN112678709A true CN112678709A (en) | 2021-04-20 |
| CN112678709B CN112678709B (en) | 2022-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110037848.1A Active CN112678709B (en) | 2021-01-12 | 2021-01-12 | Tensioning device for power cable installation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113501435A (en) * | 2021-09-09 | 2021-10-15 | 江苏思克赛斯机械制造有限公司 | Lifting device capable of lifting stably |
| CN116754806A (en) * | 2023-08-23 | 2023-09-15 | 国网天津市电力公司高压分公司 | Electric power overhauls with electric power test pincers |
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|---|---|---|---|---|
| WO2011072508A1 (en) * | 2009-12-15 | 2011-06-23 | 克恩-里伯斯(太仓)有限公司 | Tension compensation device with brake function |
| CN208182354U (en) * | 2017-12-26 | 2018-12-04 | 苏州明钧信息系统工程有限公司 | A kind of tensioning apparatus of weak-current cable |
| CN210140336U (en) * | 2019-05-21 | 2020-03-13 | 山东大华广节能科技有限公司 | Wire and cable tension adjusting device |
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2021
- 2021-01-12 CN CN202110037848.1A patent/CN112678709B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011072508A1 (en) * | 2009-12-15 | 2011-06-23 | 克恩-里伯斯(太仓)有限公司 | Tension compensation device with brake function |
| CN208182354U (en) * | 2017-12-26 | 2018-12-04 | 苏州明钧信息系统工程有限公司 | A kind of tensioning apparatus of weak-current cable |
| CN210140336U (en) * | 2019-05-21 | 2020-03-13 | 山东大华广节能科技有限公司 | Wire and cable tension adjusting device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113501435A (en) * | 2021-09-09 | 2021-10-15 | 江苏思克赛斯机械制造有限公司 | Lifting device capable of lifting stably |
| CN116754806A (en) * | 2023-08-23 | 2023-09-15 | 国网天津市电力公司高压分公司 | Electric power overhauls with electric power test pincers |
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|---|---|
| CN112678709B (en) | 2022-05-24 |
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