CN113335993A - Pay-off is used in electric power construction - Google Patents
Pay-off is used in electric power construction Download PDFInfo
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- CN113335993A CN113335993A CN202110467399.4A CN202110467399A CN113335993A CN 113335993 A CN113335993 A CN 113335993A CN 202110467399 A CN202110467399 A CN 202110467399A CN 113335993 A CN113335993 A CN 113335993A
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- rod
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- cable
- rotating shaft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H49/00—Unwinding or paying-out filamentary material; Supporting, storing or transporting packages from which filamentary material is to be withdrawn or paid-out
- B65H49/18—Methods or apparatus in which packages rotate
- B65H49/20—Package-supporting devices
- B65H49/24—Rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H49/00—Unwinding or paying-out filamentary material; Supporting, storing or transporting packages from which filamentary material is to be withdrawn or paid-out
- B65H49/18—Methods or apparatus in which packages rotate
- B65H49/20—Package-supporting devices
- B65H49/32—Stands or frameworks
- B65H49/324—Constructional details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/065—Scissor linkages, i.e. X-configuration
- B66F7/0658—Multiple scissor linkages horizontally arranged
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/34—Handled filamentary material electric cords or electric power cables
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Types And Forms Of Lifts (AREA)
- Unwinding Of Filamentary Materials (AREA)
Abstract
本发明公开了一种电力施工用放线装置，包括底板，在底板上安装有升降机构以及线缆放线支架，所述升降机构安装在底板的一端，所述线缆放线支架安装在升降机构的一侧，在线缆放线支架上安装有自锁机构，在自锁机构上安装有第一导线杆和第二导线杆。本发明线缆放线支架能够根据需要调节两个线缆辊之间的距离，实现对不同宽度线缆辊的夹持，提高了该装置的实用性；自锁机构能够对线缆辊起到固定的作用，防止停止拉线时，线辊会继续转动将线缆散落到地面上线缆辊，保证了线缆的架设效率；升降机构能够将线缆辊提升到与线辊架上转动轴相配合的位置，便于将线缆辊安装在转动轴上，降低了工作人员的劳动强度，提高了工作效率。
The invention discloses a wire pay-off device for electric construction, comprising a bottom plate, a lifting mechanism and a cable pay-off bracket are installed on the bottom plate, the lifting mechanism is installed at one end of the bottom plate, and the cable pay-off bracket is installed on the lift On one side of the mechanism, a self-locking mechanism is installed on the cable pay-off bracket, and a first wire rod and a second wire rod are installed on the self-locking mechanism. The cable pay-off bracket of the invention can adjust the distance between the two cable rollers as required, realize the clamping of the cable rollers of different widths, and improve the practicability of the device; the self-locking mechanism can play a role in the cable rollers. The fixed function prevents the wire roller from continuing to rotate and scatters the cable on the ground when the wire is stopped. The cable roller ensures the erection efficiency of the cable; The matching position makes it easy to install the cable roller on the rotating shaft, which reduces the labor intensity of the staff and improves the work efficiency.
Description
Technical Field
The invention belongs to the technical field of electric power construction, and particularly relates to a pay-off device for electric power construction.
Background
Cable payoff stands are also called cable spool stands, wire spool stands, cable payoff stands, etc. depending on the application; according to the lifting form, the method can be divided into: a hydraulic cable pay-off rack and a mechanical cable pay-off rack; according to the application and the structure form, the method is divided into the following steps: the adjustable hydraulic pay-off rack, the column pay-off rack, the ejector pin type cable pay-off rack, the horizontal cable reel rack, the foot brake cable pay-off rack, the detachable cable pay-off rack and the tension pay-off rack; the method is divided into the following steps according to the load capacity: 3T cable pay-off rack, 5T cable pay-off rack, 10T cable pay-off rack, 15T cable reel support, 20T cable reel support and cable reel pay-off support of greater tonnage.
In the actual work process, when the full cable of winding on the line roller, weight is heavier, hardly installs pay-off on, because the weight of line roller is great, has very big inertia when the unwrapping wire, stops to act as go-between the back, and the line roller can continue to rotate and scatter the cable subaerial, appears the phenomenon that the cable knoed, greatly reduced work efficiency.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the pay-off device for electric power construction, the cable pay-off bracket can adjust the distance between two cable rollers according to the requirement, and the cable rollers with different widths can be clamped, so that the device has a wider application range, and the practicability of the device is improved; the self-locking mechanism can play a role in fixing the cable roller, so that when the wire pulling is stopped, the cable roller can continuously rotate to scatter the cable onto the ground, and the erection efficiency of the cable is ensured; the lifting mechanism can lift the cable roller to the position matched with the rotating shaft on the cable roller frame, so that the cable roller is convenient to install on the rotating shaft, the labor intensity of workers is reduced, and the working efficiency is improved.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides an unwinding equipment for electric power construction, includes the bottom plate, installs elevating system and cable unwrapping wire support on the bottom plate, elevating system installs the one end at the bottom plate, cable unwrapping wire support mounting installs self-locking mechanism in elevating system's one side on cable unwrapping wire support, installs first guide wire pole and second guide wire pole on self-locking mechanism, first guide wire pole is installed in the top of second guide wire pole, all installs the wire wheel on first guide wire pole and second guide wire pole.
Preferably, the cable paying-off support comprises supporting vertical plates and a driving motor which are symmetrically arranged on two sides of a bottom plate, a threaded rod and two guide rods which are symmetrically arranged on the upper side and the lower side of the threaded rod are arranged on the supporting vertical plates, one end of the threaded rod is rotatably arranged on one of the supporting vertical plates, the other end of the threaded rod penetrates through the other supporting vertical plate and extends to the outer side of the supporting vertical plate, a first belt wheel is arranged at one end of the threaded rod, the driving motor is arranged on the bottom plate, a second belt wheel is arranged on one side of the other supporting vertical plate, the second belt wheel is connected with the first belt wheel through a belt, the thread rotating directions of two sides of the central line of the threaded rod are opposite, two wire roller frames are further arranged on the threaded rod, a rotating shaft is rotatably arranged at one end of each wire roller frame, and the driving motor, the threaded rod and the wire roller frames are mutually matched, the distance between two cable rollers can be adjusted as required, so that clamping of different cable rollers is realized, the application range of the device is wider, and the practicability of the device is improved.
Preferably, the number of the self-locking mechanisms is two, the two self-locking mechanisms are arranged on the two wire roller frames and matched with the rotating shaft, the locking effect is guaranteed, and the cable erection efficiency is guaranteed.
Preferably, the self-locking mechanism comprises a support rod, a brake block, a pull rod and a fixing plate, one end of the support rod is mounted on the wire roller frame, the other end of the support rod is provided with a fixing piece, a first gear, a first rotating shaft, a second gear, a second rotating shaft, a connecting piece, a fixing rod, a spring and a tension spring are mounted in the fixing piece, the first gear is mounted on the fixing piece through the first rotating shaft, the second gear is mounted below the first gear on the fixing piece through the second rotating shaft, the first gear is meshed with the second gear, the middle part of the connecting piece is fixed on the second rotating shaft, one end of the tension spring is mounted at one end of the connecting piece, the other end of the tension spring is mounted at the bottom of the fixing piece, the other end of the connecting piece is provided with the connecting rod, the fixing plate is mounted on one side of the wire roller frame, one end of the brake block is fixed at one end of the fixing plate, and the other end of the brake block is connected with the pull rod, the brake block is matched with the rotating shaft, one end of the pull rod penetrates through the connecting rod and extends to the position above the connecting rod, a limiting part is arranged at the other end of the pull rod, the spring is sleeved on the pull rod and above the connecting rod, the first wire guide rod is fixedly installed on the first rotating shaft, and the second guide rod is fixedly installed on the second rotating shaft.
Preferably, the two self-locking mechanisms are provided with a first telescopic rod and a second telescopic rod, one end of the first telescopic rod is installed on a first rotating shaft of one of the self-locking mechanisms, the other end of the first telescopic rod is fixedly installed on a first rotating shaft of the other self-locking mechanism, one end of the second telescopic rod is installed on a second rotating shaft of one of the self-locking mechanisms, the other end of the second telescopic rod is installed on a second rotating shaft of the other self-locking mechanism, the first wire guide rod and the second wire guide rod are respectively connected with the two self-locking mechanisms through the first telescopic rod and the second telescopic rod, the self-locking mechanisms can play a fixing role on the cable roller, when the cable is prevented from being pulled out, the cable roller can continue to rotate to scatter the cable to the ground cable roller, and the erection efficiency of the cable is guaranteed.
Preferably, elevating system is for cutting fork elevating system, and the supporting bench is installed at the elevating system top, and it has the recess to open on the supporting bench, the recess adopts the cross-section to be semi-circular structure, and elevating system can promote the cable roller to with line roller frame last axis of rotation matched with position, be convenient for install the cable roller in the axis of rotation, has reduced staff's intensity of labour, has improved work efficiency.
Preferably, still be equipped with the removal wheel that has the brake block in the bottom of bottom plate, conveniently fix the device, improved cable erection efficiency.
Preferably, a pushing plate is further installed at one end of the bottom plate, the pushing plate is convenient for workers to move the device, and the working efficiency is improved.
The invention has the beneficial effects that:
1) the cable pay-off bracket of the device can adjust the distance between the two cable rollers according to the requirement, thereby realizing the clamping of the cable rollers with different widths, widening the application range of the device and improving the practicability of the device; the self-locking mechanism can play a role in fixing the cable roller, so that when the wire pulling is stopped, the cable roller can continuously rotate to scatter the cable onto the ground, and the erection efficiency of the cable is ensured; the lifting mechanism can lift the cable roller to the position matched with the rotating shaft on the cable roller frame, so that the cable roller is convenient to install on the rotating shaft, the labor intensity of workers is reduced, and the working efficiency is improved.
2) This device driving motor, threaded rod and line roller frame mutually support, can adjust the distance between two cable rollers as required to the realization is to the centre gripping of different cable rollers, makes the device's accommodation wider, has improved the device's practicality.
3) The device is provided with two self-locking mechanisms, the two self-locking mechanisms are arranged on the two wire roller frames and are matched with the rotating shaft, so that the locking effect is ensured, and the cable erection efficiency is ensured; self-locking mechanism can play fixed effect to the cable roller, prevents to stop when acting as go-between, and the line roller can continue to rotate scatters the subaerial cable roller with the cable, has guaranteed the efficiency of erectting of cable.
4) This device elevating system is for cutting fork elevating system, and it has the recess to open on the brace table at elevating system top, the recess adopts the cross-section to be semi-circular structure, and elevating system can promote the cable roller to with line roller frame last axis of rotation matched with position, be convenient for install the cable roller in the axis of rotation, reduced staff's intensity of labour, improved work efficiency.
5) This device still is equipped with the removal wheel that has the brake block in the bottom of bottom plate, and the convenience is fixed the device, has improved cable erection efficiency.
6) The push plate is further installed at one end of the bottom plate, and is convenient for workers to move the device, so that the working efficiency is improved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic view of the cable pay-off stand of the present invention.
Fig. 3 is a schematic structural diagram of the self-locking mechanism of the present invention.
Fig. 4 is a schematic view of another aspect of the present invention.
Fig. 5 is a schematic structural view of the lifting mechanism of the present invention.
Fig. 6 is a schematic diagram of the working structure of the invention.
Fig. 7 is an enlarged view a of fig. 4.
In the figure: 1. a base plate; 2. a cable pay-off bracket; 201. a second pulley; 202. a drive motor; 203. a guide bar; 204. a support vertical plate; 205. a threaded rod; 206. a rotating shaft; 207. a first pulley; 208. a belt; 209. a wire roll stand; 3. a second telescopic rod; 4. a first telescopic rod; 5. a first wire guide rod; 6. a self-locking mechanism; 601. a brake pad; 602. a support bar; 603. a second rotating shaft; 604. a first rotating shaft; 605. a first gear; 606. a second gear; 607. a connecting member; 608. a tension spring; 609. a pull rod; 6010. a fixing plate; 6011. a connecting rod; 6012. a spring; 6013. a fixing member; 7. a second wire guide rod; 8. a push plate; 9. a moving wheel; 10. a lifting mechanism; 11. a support table; 12. and (4) a groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 7, 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 "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The utility model provides a pay-off for electric power construction, includes bottom plate 1, installs elevating system 10 and cable unwrapping wire support 2 on bottom plate 1, elevating system 10 installs the one end at bottom plate 1, cable unwrapping wire support 2 installs the one side at elevating system 10, installs self-locking mechanical system 6 on cable unwrapping wire support 2, installs first guide wire pole 5 and second guide wire pole 7 on self-locking mechanical system 6, first guide wire pole 203 is installed in the top of second guide wire pole 7, all installs the wire wheel on first guide wire pole 5 and second guide wire pole 7.
The cable paying-off support 2 comprises support vertical plates 204 and a drive motor 202 which are symmetrically arranged on two sides of a bottom plate 1, a threaded rod 205 and two guide rods 203 which are symmetrically arranged on the upper side and the lower side of the threaded rod 205 are arranged on the support vertical plates 204, one end of the threaded rod 205 is rotatably arranged on one of the support vertical plates 204, the other end of the threaded rod penetrates through the other support vertical plate 204 and extends to the outer side of the support vertical plate 204, a first belt wheel 207 is arranged at one end of the threaded rod 205, the drive motor 202 is arranged on the bottom plate 1, a second belt wheel 201 is arranged on one side of the other support vertical plate 204 on an output shaft of the drive motor 202, the second belt wheel 201 is connected with the first belt wheel 207 through a belt 208, the thread turning directions of two sides of the central line of the threaded rod 205 are opposite, two line roller frames 209 are also arranged on the threaded rod 205, and a rotating shaft 206 is rotatably arranged at one end of the line roller frames 209, the driving motor 202, the threaded rod 205 and the wire roller frame 209 are matched with each other, and the distance between the two cable rollers can be adjusted as required, so that clamping of different cable rollers is realized, the application range of the device is wider, and the practicability of the device is improved.
The number of the self-locking mechanisms 6 is two, the two self-locking mechanisms 6 are arranged on the two wire roller frames 209 and matched with the rotating shaft 206, the locking effect is guaranteed, and the cable erection efficiency is guaranteed.
The self-locking mechanism 6 comprises a support rod 602, a brake block 601, a pull rod 609 and a fixing plate 6010, wherein one end of the support rod 602 is mounted on the wire roller frame 209, the other end of the support rod 602 is mounted with a fixing member 6013, the fixing member 6013 is mounted in the fixing member 6013 and is provided with a first gear 605, a first rotating shaft 604, a second gear 606, a second rotating shaft 603, a connecting member 607, a fixing rod, a spring 6012 and a tension spring 608, the first gear 605 is mounted on the fixing member 6013 through the first rotating shaft 604, the second gear 606 is mounted below the first gear 605 on the fixing member 6013 through the second rotating shaft 603, the first gear 605 is engaged with the second gear 606, the middle part of the connecting member 607 is fixed on the second rotating shaft 603, one end of the tension spring 608 is mounted on one end of the connecting member 607, the other end of the fixing member 6013 is mounted with a connecting rod 6011 at the other end of the connecting member 607, the fixing plate 6010 is mounted on one side of the wire roller frame 209, one end of the brake pad 601 is fixed to one end of the fixing plate 6010, the other end of the brake pad 601 is connected to the pull rod 609, the brake pad 601 is matched with the rotating shaft 206, one end of the pull rod 609 penetrates through the connecting rod 6011 and extends above the connecting rod 6011, a limiting member is arranged at the other end of the pull rod 609, the spring 6012 is sleeved on the pull rod 609 above the connecting rod 6011, the first wire guide rod 203 is fixedly installed on the first rotating shaft 604, and the second guide rod 203 is fixedly installed on the second rotating shaft 603.
When the cable pulling device works, a cable roller is arranged on a cable paying-off bracket 2, one end of a cable penetrates from the upper part of a wire guiding wheel at the inner side of a second wire guiding rod 7 to the lower part of the wire guiding wheel at the outer side of the second wire guiding rod 7, then the wire guiding wheel penetrates from the wire guiding wheel on a first wire guiding rod 5, when the wire is pulled, as the wire has a certain pulling force, one end of the first wire guiding rod 5 is driven to move downwards, as the first wire guiding rod 5 is fixedly connected with a first rotating shaft 604 through a first telescopic rod 4, the other end of the first wire guiding rod 5 drives the first telescopic rod 4 to rotate, the first rotating shaft 604 rotates to drive a first gear 605 to rotate, the first gear 605 is meshed with a second gear 606, the second gear 606 drives one end of the second wire guiding rod 7 close to a tension spring 608 to move upwards, and the tension spring 608 is stretched, the other end of a second guiding rod 203 moves downwards, the pulling force of the tension rod 609 to a brake block 601 is relieved, and the friction force between the brake block 601 and a rotating shaft 206 is reduced, the purpose of unlocking is realized;
when the wire pulling is stopped, the tension spring 608 needs to be restored to the original state due to the tension, one end of the second wire guiding rod 7 close to the tension spring 608 is driven to move downwards, the other end of the second wire guiding rod 7 moves upwards, the spring 6012 is arranged between the pull rod 609 and the connecting rod 6011, the spring 6012 is compressed by the other end of the second wire guiding rod 7, the pull rod 609 is driven to move upwards, one end of the brake piece 601 is driven to move upwards due to the upward movement of the pull rod 609, the brake piece 601 is enabled to cling to the rotating shaft 206, the friction force between the brake piece 601 and the rotating shaft 206 is increased, the locking purpose is achieved, in the process that the tension spring 608 is restored to the original state, the second gear 606 can be driven to rotate, the second gear 606 is meshed with the first gear 605, the second gear drives the first gear 605 to rotate, the first telescopic rod 4 rotates to drive one end of the first wire guiding rod 5 to rotate, so that the other end of the first wire guide rod 5 is restored to the original state, and the wire drawing treatment is conveniently carried out again.
Among them, the spring 6012 plays a role of cushioning.
Be equipped with first telescopic link 4 and second telescopic link 3 on two self-locking mechanism 6, the one end of first telescopic link 4 is installed on first pivot 604 on one of them self-locking mechanism 6, and other end fixed mounting is on first pivot 604 on another self-locking mechanism 6, the one end of second telescopic link 3 is installed on second pivot 603 on one of them self-locking mechanism 6, and the other end is installed on second pivot 603 on another self-locking mechanism 6, first guide wire pole 5, second guide wire pole 7 are connected with two self-locking mechanism 6 through first telescopic link 4, second telescopic link 3 respectively, and self-locking mechanism 6 can play fixed effect to the cable roller, and when preventing to stop acting as go-between, the cable roller can continue to rotate and scatter the subaerial cable roller with the cable, has guaranteed the erection efficiency of cable.
Elevating system 10 is for cutting fork elevating system 10, and elevating system 10 top is installed a supporting bench 11, and it has recess 12 to open on supporting bench 11, recess 12 adopts the cross-section to be semi-circular structure, and elevating system 10 can promote the cable roller to with line roller frame 209 go up axis of rotation 206 matched with position, be convenient for install the cable roller on axis of rotation 206, has reduced staff's intensity of labour, has improved work efficiency.
The bottom of the bottom plate 1 is also provided with a moving wheel 9 with a brake block, so that the device is convenient to fix, and the cable erection efficiency is improved.
Still install catch plate 8 in the one end of bottom plate 1, catch plate 8 is convenient for the staff and is removed the device, has improved work efficiency.
The cable pay-off bracket 2 can adjust the distance between the two cable rollers according to the requirement, thereby realizing the clamping of the cable rollers with different widths, widening the application range of the device and improving the practicability of the device; the self-locking mechanism 6 can play a role in fixing the cable roller, so that when the wire pulling is stopped, the cable roller can continuously rotate to scatter the cable onto the ground, and the erection efficiency of the cable is ensured; the lifting mechanism 10 can lift the cable roller to the position matched with the rotating shaft 206 on the cable roller frame 209, so that the cable roller is conveniently installed on the rotating shaft 206, the labor intensity of workers is reduced, and the working efficiency is improved.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the present invention as defined in the accompanying claims.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110467399.4A CN113335993B (en) | 2021-04-28 | 2021-04-28 | Pay-off for electric power construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110467399.4A CN113335993B (en) | 2021-04-28 | 2021-04-28 | Pay-off for electric power construction |
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| Publication Number | Publication Date |
|---|---|
| CN113335993A true CN113335993A (en) | 2021-09-03 |
| CN113335993B CN113335993B (en) | 2022-11-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110467399.4A Active CN113335993B (en) | 2021-04-28 | 2021-04-28 | Pay-off for electric power construction |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114792952A (en) * | 2022-04-29 | 2022-07-26 | 国网河南省电力公司商丘供电公司 | Automatic traction type wire pulling device and operation method |
| CN115180462A (en) * | 2022-07-25 | 2022-10-14 | 王纪辉 | Energy-saving automatic pay-off device applied to electric power engineering and pay-off method thereof |
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| CN211569675U (en) * | 2019-12-16 | 2020-09-25 | 安徽德能电力建设有限公司 | Anti-winding pay-off rack |
| CN211594522U (en) * | 2020-02-11 | 2020-09-29 | 中建八局第一建设有限公司 | A cable pay-off device |
| CN112499380A (en) * | 2020-12-16 | 2021-03-16 | 西格码电气股份有限公司 | Automatic wire take-up device for electric power engineering and use method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114792952A (en) * | 2022-04-29 | 2022-07-26 | 国网河南省电力公司商丘供电公司 | Automatic traction type wire pulling device and operation method |
| CN114792952B (en) * | 2022-04-29 | 2024-03-19 | 国网河南省电力公司商丘供电公司 | An automatic pulling wire pulling device and its operating method |
| CN115180462A (en) * | 2022-07-25 | 2022-10-14 | 王纪辉 | Energy-saving automatic pay-off device applied to electric power engineering and pay-off method thereof |
| CN115180462B (en) * | 2022-07-25 | 2023-12-08 | 山西中规电力工程有限公司 | Energy-saving automatic paying-off device applied to power engineering and paying-off method thereof |
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