CN113942876B - Cable traction device for power construction - Google Patents
Cable traction device for power construction Download PDFInfo
- Publication number
- CN113942876B CN113942876B CN202111195067.1A CN202111195067A CN113942876B CN 113942876 B CN113942876 B CN 113942876B CN 202111195067 A CN202111195067 A CN 202111195067A CN 113942876 B CN113942876 B CN 113942876B
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- connecting rod
- roll shaft
- plate
- plates
- supporting
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- 238000010276 construction Methods 0.000 title claims abstract description 14
- 238000001125 extrusion Methods 0.000 claims description 8
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 241001503987 Clematis vitalba Species 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H51/00—Forwarding filamentary material
- B65H51/02—Rotary devices, e.g. with helical forwarding surfaces
- B65H51/04—Rollers, pulleys, capstans, or intermeshing rotary elements
- B65H51/08—Rollers, pulleys, capstans, or intermeshing rotary elements arranged to operate in groups or in co-operation with other elements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
-
- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/82—Recycling of waste of electrical or electronic equipment [WEEE]
Abstract
The cable traction device for the electric power construction comprises a supporting longitudinal plate extending forwards and backwards, two arc shoulder carrying plates are connected above two sides of the rear end of the supporting longitudinal plate, a knapsack is rotationally connected to the rear end of the shoulder carrying plates, and two braces are connected to two sides of the knapsack; an electric telescopic rod extending forwards and backwards is arranged on the supporting longitudinal plate, a storage battery is arranged at the bottom of the supporting longitudinal plate, and the front end part of the electric telescopic rod is connected with a self-weight wire clamping assembly; the beneficial effects of the invention are as follows: the power device is reasonable in structural design, can finish the actions of wire clamping, wire feeding, wire loosening and backing through telescopic actions, reduces the power device, reduces the cost, is convenient for an operator to operate on a power line pole, reduces the labor intensity, avoids dangerous wire pulling actions, and improves the safety and the working efficiency.
Description
Technical Field
The invention relates to a cable pulling device for power construction.
Background
When the power transmission and transformation line is hung, the large-diameter wire needs to be hung on the insulator groove. Because the general construction occasion is in occasions such as open-air, it is difficult to use automation equipment, needs the operating personnel to stand on the climbers and adopts simple pulley structure to put the wire on the insulator groove. In the whole operation process, because the diameter of the wire is larger, the dead weight is extremely large, operators hardly drag the wire at high positions, and the wire hanging is very difficult because of inconvenient lines of high-position exertion, and the foot is required to be supported by exertion during operation, the climbers are easily damaged, and certain potential safety hazards are provided.
Disclosure of Invention
In order to solve the technical defects, the invention provides the cable traction device for the power construction, which avoids dangerous wire pulling actions and improves safety and working efficiency.
The invention is realized by the following measures:
the cable traction device for electric power construction comprises a supporting longitudinal plate extending forwards and backwards, wherein two arc shoulder carrying plates are connected above two sides of the rear end of the supporting longitudinal plate, a knapsack is rotationally connected to the rear end of the shoulder carrying plates, and two braces are connected to two sides of the knapsack; the electric telescopic rod extending forwards and backwards is arranged on the supporting longitudinal plate, a storage battery is arranged at the bottom of the supporting longitudinal plate, and the front end part of the electric telescopic rod is connected with a self-gravity wire clamping assembly;
the utility model provides a self-gravity presss from both sides line subassembly includes the bottom plate, the left and right sides of bottom plate all is provided with the curb plate perpendicularly, but around the interval is put up axial pivoted front roller and back roller between two curb plates, be provided with the slide rail that extends about on the bottom plate between front roller and the back roller, slide rail middle part is vertical to be provided with two side-to-side spaced telescopic columns, and the cover has the spring on the telescopic column, and two telescopic column tops all are erect from front roller, clearance between the back roller upwards extends to front roller, back roller top, and two telescopic column tops all are connected with the backup pad, but the frame has left and right sides extension and axial pivoted lower roller between two backup pads, but two backup pad are connected with two sets of connecting rod line subassemblies of bilateral symmetry, and every connecting rod line subassembly includes interior oblique connecting rod, transverse connecting rod and outer oblique connecting rod, interior oblique connecting rod top rotates the connection backup pad, interior oblique connecting rod bottom is downthehole to extend to and the connecting rod to interior oblique connecting rod bottom and transverse rod all slide the embedding is in the slide rail, all open window and control on two curb plates top and erect from front roller, the roller top all extends to front roller, the roll shaft top is connected with the outer side-to the outside is connected with the top of the oblique top of two side of roll seat, and the outside is located the oblique top is connected with the top of the top and extends the connecting plate is connected with the top to the top in the outside and is connected with the top to the top has the oblique top.
The support plate is a strip-shaped plate body extending back and forth, two ends of the lower roll shaft are respectively connected to the centers of the two support plates in a rotating mode, the top of the inner inclined connecting rod is obliquely connected with a connecting rod, and the upper ends of the two connecting rods are connected with the front end and the rear end of the support plate in a rotating mode.
Above-mentioned connecting seat is the bearing frame, be provided with the bearing on the bearing frame, the outside extension of upper roller shaft tip center has the center pin, the center pin tip penetrates in the bearing and with bearing inner race fixed connection, the center pin overcoat between bearing and the upper roller shaft terminal surface has the torsional spring, the one end fixed connection upper roller shaft of torsional spring, the outer lane of the other end fixed connection bearing frame of torsional spring.
The bottom of the inner inclined connecting rod and the lower end of the outer inclined connecting rod are respectively provided with a C-shaped notch, two ends of the transverse connecting rod respectively penetrate into the notches and are connected with each other in a rotating way through a transversely penetrating rotating shaft, and the bottom of the inner inclined connecting rod is provided with a pulley capable of sliding in the sliding rail.
The top of the side plate is vertically provided with two support columns, the rotating shaft is rotationally connected between the two support columns, the rotating shaft is positioned right above the sliding rail, the sliding rail is positioned on the central line of the bottom plate, and the front roller shaft and the rear roller shaft are symmetrically arranged on the front side and the rear side of the sliding rail.
The front-back width of the supporting plate and the upper roll shaft is smaller than that of the gap between the front roll shaft and the rear roll shaft.
The support longitudinal plate is provided with a sliding groove, and the bottom of the bottom plate is provided with a sliding block matched with the sliding groove.
The rear end of the supporting longitudinal plate is provided with a buffer air bag positioned between the two shoulder carrying plates.
The beneficial effects of the invention are as follows: the power device is reasonable in structural design, can finish the actions of wire clamping, wire feeding, wire loosening and backing through telescopic actions, reduces the power device, reduces the cost, is convenient for an operator to operate on a power line pole, reduces the labor intensity, avoids dangerous wire pulling actions, and improves the safety and the working efficiency.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
FIG. 2 is a schematic view of the self-gravity wire clamping assembly according to the present invention.
FIG. 3 is a schematic view of the self-gravity wire clamping assembly of the present invention when not installed.
Fig. 4 is a schematic view of a partial structure of the present invention.
FIG. 5 is a schematic view of the upper part of the bottom plate of the present invention.
FIG. 6 is a schematic view of the structure of the upper roller shaft of the present invention.
Wherein: the device comprises a vertical plate 1, a shoulder carrying plate 2, a buffer airbag 3, a knapsack 4, a back strap 5, an electric telescopic rod 6, a sliding block 7, a gravity clamping line assembly 8, a bottom plate 9, a side plate 10, an inner oblique connecting rod 11, a front roll shaft 12, a sliding rail 13, a transverse connecting rod 14, an outer oblique connecting rod 15, a rotating shaft 16, a connecting plate 17, an upper roll shaft 18, a lower roll shaft 19, a telescopic column 20, a spring 21, a pulley 22, a connecting seat 23, a supporting plate 24, a connecting rod 25, a back roll shaft 27, a extrusion lug 28, a central shaft 29 and a torsion spring 30.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
as shown in fig. 1-6, a cable pulling device for electric power construction comprises a supporting vertical plate 1 extending front and back, two arc shoulder carrying plates 2 are connected above two sides of the rear end of the supporting vertical plate 1, a backpack 4 is rotatably connected at the rear end of the shoulder carrying plates 2, and two braces 5 are connected at two sides of the backpack 4. The backpack 4 can be filled with a standby battery or a tool, and is convenient to use.
An electric telescopic rod 6 extending forwards and backwards is arranged on the supporting longitudinal plate 1, a storage battery is arranged at the bottom of the supporting longitudinal plate 1, and the front end part of the electric telescopic rod 6 is connected with a self-gravity wire clamping assembly 8; the self-gravity wire clamping assembly 8 comprises a bottom plate 9, side plates 10 are vertically arranged on the left side and the right side of the bottom plate 9, a front roll shaft 12 and a rear roll shaft 27 which can axially rotate are arranged between the left side and the right side of the two side plates 10 at intervals in parallel, a slide rail 13 which extends leftwards and rightwards is arranged on the bottom plate 9 between the front roll shaft 12 and the rear roll shaft 27, two telescopic columns 20 which are vertically arranged in the middle of the slide rail 13 are sleeved with springs 21, the tops of the two telescopic columns 20 extend upwards to the positions above the front roll shaft 12 and the rear roll shaft 27 from a gap between the front roll shaft 12 and the rear roll shaft 27, support plates 24 are connected to the tops of the two telescopic columns 20, a lower roll shaft 19 which extends leftwards and rightwards and can axially rotate is arranged between the two support plates 24, the two support plates 24 are connected with two groups of bilaterally symmetrical connecting rod wire pressing assemblies, each group of connecting rod wire pressing assemblies comprises an inner oblique connecting rod 11, a transverse connecting rod 14 and an outer oblique connecting rod 15, the top of the inner inclined connecting rod 11 is rotationally connected with the supporting plate 24, the bottom of the inner inclined connecting rod 11 extends obliquely downwards and is rotationally connected with the transverse connecting rod 14, the bottom of the inner inclined connecting rod 11 and the transverse connecting rod 14 are both embedded in the sliding rail 13 in a sliding way, windows are arranged on the left side plate 10 and the right side plate 10, the tops of the left side plate 10 and the right side plate 10 are both erected with the rotating shaft 16, the tail end of the transverse connecting rod 14 extends to the outside of the side plate 10 through the windows and is rotationally connected with the lower end of the outer inclined connecting rod 15, the rotating shaft 16 movably penetrates through the middle part of the outer inclined connecting rod 15, the top of the outer inclined connecting rod 15 extends obliquely upwards and is connected with the connecting plate 17, the two ends of the connecting plate 17 are vertically provided with the connecting seats 23, an upper roll shaft 18 positioned above the supporting plate 24 is rotationally connected between the two connecting seats 23, the upper roll shaft 18 extends leftwards and rightwards and tilts upwards and downwards, one end of the upper roll shaft 18 close to the side plate 10 is lower than the other end of the upper roll shaft 18, the circumferential surface of the bottom of the upper roll shaft 18 is integrally extended with a circular arc-shaped extrusion projection 28 along the radial direction downwards. When the cable clamping device is installed, the initial position of the extrusion lug 28 is arranged at the rear position below, so that the cable can be conveniently clamped, rubber layers are wrapped on the surfaces of the upper roller shaft 18 and the extrusion lug 28, and friction is increased.
The backup pad 24 is the rectangular shaped plate body that extends back and forth, and the both ends of lower roller 19 rotate respectively and connect at two backup pad 24 centers, and interior oblique connecting rod 11 top slant is connected with connecting rod 25 upwards, and the upper end of two connecting rods 25 rotates with the both ends in front and back of backup pad 24 and is connected. The connecting seat 23 is a bearing seat, a bearing is arranged on the bearing seat, a central shaft 29 is outwards extended from the center of the end part of the upper roll shaft 18, the end part of the central shaft 29 penetrates into the bearing and is fixedly connected with an inner ring of the bearing, a torsion spring 30 is sleeved outside the central shaft 29 between the bearing and the end surface of the upper roll shaft 18, one end of the torsion spring 30 is fixedly connected with the upper roll shaft 18, and the other end of the torsion spring 30 is fixedly connected with an outer ring of the bearing seat. The bottom of the inner inclined connecting rod 11 and the lower end of the outer inclined connecting rod 15 are respectively provided with a C-shaped notch, two ends of the transverse connecting rod 14 respectively penetrate into the notches and are rotationally connected through a transversely penetrating rotating shaft 16, and the bottom of the inner inclined connecting rod 11 is provided with a pulley 22 capable of sliding in the sliding rail 13. The top of the side plate 10 is vertically provided with two support columns, the rotating shaft 16 is connected between the two support columns in a rotating mode, the rotating shaft 16 is located right above the sliding rail 13, the sliding rail 13 is located on the central line of the bottom plate 9, and the front roll shaft 12 and the rear roll shaft 27 are symmetrically arranged on the front side and the rear side of the sliding rail 13. The front-rear width of the support plate 24 and the upper roller shaft 18 is smaller than the front-rear width of the gap between the front roller shaft 12 and the rear roller shaft 27. The support longitudinal plate 1 is provided with a sliding groove, and the bottom of the bottom plate 9 is provided with a sliding block 7 matched with the sliding groove. The rear end of the support longitudinal plate 1 is provided with a buffer air bag 3 positioned between the two shoulder plates 2.
When the electric power worker wears the backpack 4, the support vertical plate 1 is placed in front of a chest, the buffer air bag 3 plays a role in protection, then the whole electric power line pole is climbed along with the electric power line pole, when the cable is pulled, the cable is firstly placed on the front roll shaft 12, the lower roll shaft 19 and the rear roll shaft 27, the telescopic column 20 is pressed down by the cable due to gravity, therefore, the lower roll shaft 19 and the support plate 24 synchronously move downwards, the support plate 24 moves downwards to drive the transverse connecting rod 14 to slide outwards along the sliding rail 13, the tail end of the transverse connecting rod 14 simultaneously lifts upwards, the lower end of the outer inclined connecting rod 15 is further pushed to skid upwards, the middle part of the outer inclined connecting rod 15 rotates around the rotating shaft 16 due to the lever principle, the upper end of the outer inclined connecting rod 15 moves downwards to drive the connecting plate 17 to move downwards obliquely, and finally the upper roll shaft 18 is pressed above the side of the cable, and the cable is clamped between the two upper roll shafts 18 and the lower roll shafts 19 due to the adoption of a bilateral symmetrical structure. When the electric telescopic rod 6 is pulled backwards from the gravity wire clamping assembly 8, the cable is subjected to forward reaction force, the cable moves forwards at the initial stage, the upper roller shafts 18 pressed on two sides of the cable rotate anticlockwise at the moment, so that the extrusion convex blocks 28 rotate downwards, the space between the upper roller shafts 18 and the lower roller shafts 19 is further reduced, the cable is clamped, the larger the force of the electric telescopic rod 6 pulling backwards is, the larger the reaction force of the cable is, the cable extruded by the extrusion convex blocks 28 is, and finally the cable is pulled to the front of an electric worker. After the pulling is completed, the self-gravity wire clamping assembly 8 is pushed forwards, the cable receives a backward reaction force, so that the upper roll shaft 18 rotates clockwise, the extrusion convex block 28 rotates upwards, the space between the upper roll shaft 18 and the lower roll shaft 19 is increased, the cable is lifted, the telescopic column 20 rises under the action of the spring 21, the transverse connecting rod 14 retracts along the sliding rail 13, the upper end of the outer oblique connecting rod 15 moves downwards, the connecting plate 17 is driven to move upwards in an inclined mode, and the cable can be taken out from the self-gravity wire clamping assembly 8.
The foregoing is merely a preferred embodiment of the present patent, and it should be noted that modifications and substitutions will now occur to those skilled in the art without departing from the technical principles of the present patent, and such modifications and substitutions should also be considered to be within the scope of the present patent.
Claims (6)
1. The utility model provides a cable draw gear for electric power construction which characterized in that: comprises a supporting longitudinal plate extending forwards and backwards,
two arc shoulder carrying plates are connected above two sides of the rear end of the support longitudinal plate, a knapsack is rotatably connected to the rear end of the shoulder carrying plates, and two braces are connected to two sides of the knapsack; the electric telescopic rod extending forwards and backwards is arranged on the supporting longitudinal plate, a storage battery is arranged at the bottom of the supporting longitudinal plate, and the front end part of the electric telescopic rod is connected with a self-gravity wire clamping assembly;
the self-gravity wire clamping assembly comprises a bottom plate, side plates are vertically arranged on the left side and the right side of the bottom plate, a front roll shaft and a rear roll shaft which can axially rotate are arranged between the left side and the right side of the bottom plate at intervals in parallel, a sliding rail which extends leftwards and rightwards is arranged on the bottom plate between the front roll shaft and the rear roll shaft, two telescopic columns which are vertically arranged in the middle of the sliding rail and are laterally spaced are sleeved with springs, the tops of the two telescopic columns extend upwards to the upper parts of the front roll shaft and the rear roll shaft from a gap between the front roll shaft and the rear roll shaft, the tops of the two telescopic columns are respectively connected with a supporting plate, a lower roll shaft which extends leftwards and rightwards and can axially rotate is arranged between the two supporting plates, the two supporting plates are connected with two groups of connecting rod wire pressing assemblies which are bilaterally symmetrical, each group of connecting rod wire pressing assemblies comprises an inner oblique connecting rod, a transverse connecting rod and an outer oblique connecting rod, the top of the inner inclined connecting rod rotates to connect with the supporting plate, the bottom of the inner inclined connecting rod extends downwards obliquely and rotates to connect with the transverse connecting rod, the bottom of the inner inclined connecting rod and the transverse connecting rod are both embedded in the sliding rail in a sliding way, windows are formed in the left side plate and the right side plate, the tops of the left side plate and the right side plate are both provided with rotating shafts, the tail ends of the transverse connecting rod extend to the outside of the side plates through the windows and are rotationally connected with the lower ends of the outer inclined connecting rod, the rotating shafts movably penetrate through the middle part of the outer inclined connecting rod, the top of the outer inclined connecting rod extends upwards obliquely and is connected with a connecting plate, the two ends of the connecting plate are vertically provided with connecting seats, an upper roll shaft positioned above the supporting plate is rotationally connected between the two connecting seats, the upper roll shaft extends leftwards and rightwards and inclines upwards and downwards, the height of one end of the upper roll shaft close to the side plate is lower than the height of the other end of the upper roll shaft, and the circumferential surface of the bottom of the upper roll shaft integrally extends along the radial direction to form an arc extrusion lug; the support plates are strip-shaped plate bodies extending forwards and backwards, two ends of the lower roll shafts are respectively connected to the centers of the two support plates in a rotating mode, connecting rods are obliquely upwards connected to the tops of the inner inclined connecting rods, and the upper ends of the two connecting rods are connected with the front ends and the rear ends of the support plates in a rotating mode; the connecting seat is a bearing seat, a bearing is arranged on the bearing seat, the center of the end part of the upper roll shaft extends outwards to form a central shaft, the end part of the central shaft penetrates into the bearing and is fixedly connected with an inner ring of the bearing, a torsion spring is sleeved outside the central shaft between the bearing and the end surface of the upper roll shaft, one end of the torsion spring is fixedly connected with the upper roll shaft, and the other end of the torsion spring is fixedly connected with an outer ring of the bearing seat.
2. The cable pulling device for electric power construction according to claim 1, wherein: the bottom of the inner inclined connecting rod and the lower end of the outer inclined connecting rod are respectively provided with a C-shaped notch, two ends of the transverse connecting rod respectively penetrate into the notches and are connected through a transversely penetrating rotating shaft in a rotating mode, and the bottom of the inner inclined connecting rod is provided with a pulley capable of sliding in the sliding rail.
3. The cable pulling device for electric power construction according to claim 1, wherein: the side plate top is vertical to be provided with two support columns, the pivot rotates to be connected between two support columns, and the pivot is located directly over the slide rail, and the slide rail is located the central line of bottom plate, and preceding roller, back roller symmetry set up both sides around the slide rail.
4. The cable pulling device for electric power construction according to claim 1, wherein: the front-back width of the supporting plate and the upper roll shaft is smaller than that of a gap between the front roll shaft and the rear roll shaft.
5. The cable pulling device for electric power construction according to claim 1, wherein: the support longitudinal plate is provided with a sliding groove, and the bottom of the bottom plate is provided with a sliding block matched with the sliding groove.
6. The cable pulling device for electric power construction according to claim 1, wherein: the rear end of the support longitudinal plate is provided with a buffer air bag positioned between the two shoulder carrying plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111195067.1A CN113942876B (en) | 2021-10-14 | 2021-10-14 | Cable traction device for power construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111195067.1A CN113942876B (en) | 2021-10-14 | 2021-10-14 | Cable traction device for power construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113942876A CN113942876A (en) | 2022-01-18 |
| CN113942876B true CN113942876B (en) | 2023-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111195067.1A Active CN113942876B (en) | 2021-10-14 | 2021-10-14 | Cable traction device for power construction |
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| Country | Link |
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| CN (1) | CN113942876B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114920071B (en) * | 2022-05-27 | 2023-05-30 | 国网江苏省电力有限公司镇江供电分公司 | Auxiliary device for erecting power transmission cable |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN113942876A (en) | 2022-01-18 |
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Denomination of invention: A cable pulling device for power construction Granted publication date: 20230425 Pledgee: Bank of Jiangsu Limited by Share Ltd. Shenzhen branch Pledgor: Runshida Engineering Co.,Ltd. Registration number: Y2024980009845 |
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