CN113479702B - Cable stretcher for cable laying - Google Patents
Cable stretcher for cable laying Download PDFInfo
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- CN113479702B CN113479702B CN202110806330.XA CN202110806330A CN113479702B CN 113479702 B CN113479702 B CN 113479702B CN 202110806330 A CN202110806330 A CN 202110806330A CN 113479702 B CN113479702 B CN 113479702B
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- cable
- frame
- rotating shaft
- shaft
- driving plate
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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paying-out filamentary material; Supporting, storing or transporting packages from which filamentary material is to be withdrawn or paid-out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
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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paying-out filamentary material; Supporting, storing or transporting packages from which filamentary material is to be withdrawn or paid-out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
- B65H49/30—Swifts or skein holders
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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
- B65H51/00—Forwarding filamentary material
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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
- H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
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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
Abstract
The invention discloses a cable stretcher for laying cables, which relates to the related technical field of cable stretchers, wherein when the cable stretcher is used, a push rod of a telescopic cylinder is ejected, a double-movable-head connector turns right and up by taking a rotating shaft at the joint with an ejector block as a center, and the double-movable-head connector drives a sliding block to move along a sliding frame through the ejector block under the continuous pushing of the telescopic cylinder, so that a driving force is provided for a cable traction assembly, and the cables can be ensured to be dragged and unreeled; when the slider drives the cable and pulls the subassembly removal, go up the joint groove joint between drive plate and the lower drive plate in the outward appearance department of cable, it pulls to drive the cable under the drive of slider, when the slider slides back, go up drive plate and lower drive plate and slide on the cable surface, can not drive the cable and move backward to this one-way traction removal that realizes the cable, the joint groove, cable through-hole and spacing hole set up on same water flat line, can guarantee that the cable has better smooth and easy nature when unreeling and pull.
Description
Technical Field
The invention relates to the related technical field of cable stretchers, in particular to a cable stretcher for laying cables.
Background
The cable laying refers to a process of laying and installing cables along the checked route to form a cable line. According to the use occasion, the method can be divided into a plurality of laying modes such as overhead, underground (pipelines and direct burial), underwater, walls, tunnels and the like. The reasonable selection of the laying mode of the cable is very important for ensuring the transmission quality, reliability, construction maintenance and the like of the line. In order to ensure the safety and reliability of the telecommunication cable, a direct-buried laying mode is generally adopted. The main cables (trunk cables for relays and users) in cities generally adopt a pipeline laying mode to ensure safe and reliable communication, convenient installation and replacement, beautiful appearance and the like. The distribution cable in the city can adopt an overhead and wall laying mode, and is gradually replaced by a pipeline laying mode along with the development of modern city construction.
Because the cable is very big dish when dispatching from the factory, need unreel the cable when cable laying, because the whole weight of cable is great, need a lot of people stretch together just can realize unreeling the cable when unreeling, because the cable can not stretch along the straight line when unreeling in addition, it is very easy to lead to unreeling inefficiency because of the skew of cable.
Disclosure of Invention
In view of the above, the present invention is directed to the defects in the prior art, and a main object of the present invention is to provide a cable stretcher for cable laying, so as to solve the above-mentioned problems that a lot of people are required to stretch the cable together during unwinding, and the unwinding efficiency is low due to the cable being not stretched along a straight line during unwinding.
In order to achieve the purpose, the invention adopts the following technical scheme:
a cable stretcher for laying cables comprises a frame body, wherein wheels are mounted at two ends of the bottom of the frame body through two axles; a speed reducer is fixedly arranged at one end above the frame body; a transmission motor is arranged on one side of the speed reducer, and a rotating shaft is arranged on a power output shaft of the speed reducer through a coupling; the rotating shaft is coaxially provided with a main belt pulley and a rotating frame; the rotating frame is fixedly provided with a first mounting frame; two fixing frames for installing the transmission roller component for cable traction are arranged in the first mounting frame;
the lower end of the transmission roller assembly for cable traction is fixed on the fixed bottom plate; the fixed bottom plate is arranged on the inner side of the first mounting frame, and two ends of the fixed bottom plate are fixedly connected with the first mounting frame;
the transmission roller assembly for cable traction comprises a U-shaped frame, the U-shaped frame is fixedly arranged in the middle of the top of the fixed bottom plate, a telescopic cylinder is movably connected onto the U-shaped frame, and the end part of a push rod of the telescopic cylinder is movably connected with a double-movable-head connector through a rotating shaft; the other end of the double-movable-head connector is connected with the top block through a rotating shaft; the top block is welded at one end of the sliding block, and the sliding block is connected in the sliding frame in a sliding manner; two ends of the sliding frame are fixedly connected with the first mounting frame through a fixing frame; and a cable traction assembly is fixed at the top of the sliding block.
Furthermore, a second mounting frame is fixedly mounted at one end, far away from the speed reducer, above the frame body; the top of the second mounting frame is connected with a rotating shaft in a penetrating way through a bearing; a rotary frame is fixedly arranged at the top of the rotary shaft; the rotary frame is L-shaped, and a unreeling shaft is arranged above the rotary frame; the unwinding shaft is provided with a cable unwinding frame through a bearing.
Further, driven wheels are arranged at the bottoms of the two second mounting frames; the driven wheel is arranged on the rotating shaft in a matching way and is in transmission connection with the main belt pulley through a transmission belt.
Furthermore, a height limiting frame is fixed on the outer side of the upper end of the revolving frame; the height limiting frame is L-shaped, and one end of the height limiting frame, which is close to the transmission roller assembly for cable traction, is provided with a limiting hole for a cable to pass through conveniently; the corners of the limiting holes are in arc transition.
Furthermore, protruding shafts are arranged on two sides of the sliding frame; the convex shaft is provided with a rotating part in a matching way through a bearing; one end of the rotating member is welded with a swinging shaft; one end of the swinging shaft, which is far away from the rotating part, is provided with a fisheye joint in a matching way, and the fisheye joint is connected with the double-movable-head connector through a rotating shaft.
Further, the cable traction assembly comprises an outer frame body; the middle position of the outer frame body is transversely penetrated with a cable through hole which is convenient for a cable to pass through, and one side of the outer frame body is movably connected with an upper driving plate and a lower driving plate through a rotating shaft.
Furthermore, the upper driving plate and the lower driving plate are symmetrically arranged, and springs are arranged between the upper driving plate and the outer frame body and between the lower driving plate and the outer frame body.
Furthermore, the bottom of going up the drive plate and the top of drive plate down all seted up the joint groove.
Furthermore, joint groove, cable through-hole and spacing hole set up on same water flat line.
Compared with the prior art, the invention has obvious advantages and beneficial effects, and specifically, the technical scheme shows that:
1. when the cable unwinding device is used, a push rod of the telescopic cylinder is ejected, the double-movable-head connector turns upwards towards the right by taking a rotating shaft at the joint with the ejector block as a center, and the double-movable-head connector drives the sliding block to move along the sliding frame through the ejector block under the continuous pushing of the telescopic cylinder, so that a driving force is provided for the cable traction assembly, and the cable can be ensured to be dragged and unwound;
2. according to the cable traction device, when the sliding block drives the cable traction assembly to move, the clamping groove between the upper driving plate and the lower driving plate is clamped at the outer surface of a cable, the cable is driven to be dragged under the driving of the sliding block, and when the sliding block slides back, the upper driving plate and the lower driving plate slide on the surface of the cable and cannot drive the cable to move backwards, so that the unidirectional traction movement of the cable is realized;
3. according to the invention, the clamping groove, the cable through hole and the limiting hole are arranged on the same horizontal line, so that the cable can be ensured to have better smoothness when unreeling and drawing, and the phenomenon that the cable is bent and drooped in the middle is prevented, and the condition that the cable drawing is blocked is avoided;
4. according to the cable laying and stretching device, the first mounting frame is movably connected with the rotating shaft through the rotating frame, and the cable unwinding frame is movably connected with the rotating shaft through the rotating frame, so that a certain angle displacement compensation effect can be achieved when a cable is laid and stretched, the straightness of cable stretching is guaranteed through rotation of equipment when the cable is stretched and inclined, and the cable stretching resistance caused by overlarge angle is avoided;
5. according to the cable drawing device, the bottom parts of the rotating shaft and the rotating shaft are respectively connected with the main belt pulley and the driven wheel, and the main belt pulley and the driven wheel are connected through the transmission belt, so that when a cable is drawn to form a corner, the transmission roller assembly for drawing the cable, the cable drawing assembly and the cable unwinding frame can rotate at the same angle and in the same direction, and the cable is prevented from being drawn and blocked due to the difference of the rotation angles.
To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a schematic perspective view of a cable tensioner for laying a cable according to the present invention;
fig. 2 is a bottom view of fig. 1 in the cable stretcher for cable laying of the present invention;
FIG. 3 is a right side view of FIG. 1 of the cable tensioner for cable laying of the present invention;
FIG. 4 is a schematic view of the structure of a transmission roller assembly for cable pulling of the cable tensioner for cable laying according to the present invention;
FIG. 5 is a schematic view of a cable pulling assembly in the cable tensioner for laying cables according to the present invention;
fig. 6 is an enlarged schematic view of fig. 1 at a in the cable stretcher for cable laying according to the present invention.
The reference numbers are as follows:
1. a frame body; 2. a wheel; 3. a speed reducer; 4. a primary pulley; 5. a transmission belt; 6. a driven wheel; 7. a rotating frame; 8. a rotating shaft; 9. a first mounting bracket; 10. a fixed mount; 11. fixing a bottom plate; 12. a drive roller assembly for cable traction; 121. a U-shaped frame; 122. a telescopic cylinder; 123. a dual movable head connector; 124. a top block; 125. a slider; 126. a carriage; 127. a protruding shaft; 128. a rotating member; 129. a swing shaft; 13. a cable pulling assembly; 131. an outer frame body; 132. a cable through hole; 133. an upper drive plate; 134. a lower drive plate; 135. a spring; 136. a clamping groove; 14. a second mounting bracket; 15. a rotating shaft; 16. a revolving frame; 17. unwinding the reel; 18. a cable unwinding frame; 19. a height limiting frame; 20. a limiting hole; 21. and a transmission motor.
Detailed Description
Referring to fig. 1 to 6, which show specific structures of preferred embodiments of the present invention, a cable stretcher for cable laying includes a frame body 1, wherein two ends of the bottom of the frame body 1 are provided with wheels 2 through two axles; a speed reducer 3 is fixedly arranged at one end above the frame body 1; a transmission motor 21 is arranged on one side of the speed reducer 3, and a rotating shaft 8 is arranged on a power output shaft of the speed reducer 3 through a coupler; the rotating shaft 8 is coaxially provided with a main belt pulley 4 and a rotating frame 7; a first mounting frame 9 is fixedly mounted on the rotating frame 7; two fixing frames 10 for installing a transmission roller assembly 12 for cable traction are arranged in the first mounting frame 9;
the lower end of the transmission roller assembly 12 for cable traction is fixed on the fixed bottom plate 11; the fixed bottom plate 11 is arranged on the inner side of the first mounting frame 9, and two ends of the fixed bottom plate 11 are fixedly connected with the first mounting frame 9;
the transmission roller assembly 12 for cable traction comprises a U-shaped frame 121, the U-shaped frame 121 is fixedly installed at the middle position of the top of the fixed bottom plate 11, a telescopic cylinder 122 is movably connected to the U-shaped frame 121, and the end of a push rod of the telescopic cylinder 122 is movably connected with a double movable head connector 123 through a rotating shaft; the other end of the double-movable head connector 123 is connected with the top block 124 through a rotating shaft; the top block 124 is welded at one end of a sliding block 125, and the sliding block 125 is connected in a sliding manner in a sliding frame 126; two ends of the sliding frame 126 are fixedly connected with the first mounting frame 9 through a fixing frame 10; the top of the sliding block 125 is fixed with a cable traction assembly 13.
Specifically, when the cable unwinding device is used, the push rod of the telescopic cylinder 122 is ejected, the double-movable-head connector 123 turns upwards right by taking the rotating shaft at the joint with the top block 124 as a center, and the double-movable-head connector 123 drives the sliding block 125 to move along the sliding frame 126 through the top block 124 under the continuous pushing of the telescopic cylinder 122, so that a driving force is provided for the cable traction assembly 13, and the cable can be ensured to be dragged and unwound.
In this embodiment, a second mounting bracket 14 is fixedly mounted at one end of the upper side of the frame body 1, which is far away from the speed reducer 3; the top of the second mounting frame 14 is connected with a rotating shaft 15 through a bearing in a penetrating way; a rotary frame 16 is fixedly arranged at the top of the rotary shaft 15; the revolving frame 16 is L-shaped, and a unreeling shaft 17 is arranged above the revolving frame 16; the unreeling shaft 17 is provided with a cable unreeling frame 18 through a bearing.
Specifically, the first mounting frame 9 is movably connected with the rotating shaft 8 through the rotating frame 7, and the cable unwinding frame 18 is movably connected with the rotating shaft 15 through the rotating frame 16, so that a certain angle displacement compensation effect can be achieved when the cable is laid and stretched, when the cable is stretched and inclined, the straightness of the cable stretching is guaranteed through rotation of equipment, and the cable stretching blockage caused by overlarge angle is avoided.
In this embodiment, driven wheels 6 are arranged at the bottoms of the two second mounting frames 14; the driven wheel 6 is arranged on the rotating shaft 15 in a matching way, and the driven wheel 6 is in transmission connection with the main belt pulley 4 through a transmission belt 5.
Particularly, the bottom of the rotating shaft 8 and the bottom of the rotating shaft 15 are respectively connected with the main belt pulley 4 and the driven wheel 6, and the main belt pulley 4 and the driven wheel 6 are connected through the transmission belt 5, so that when a cable is stretched to form a corner, the transmission roller assembly 12 for cable traction, the cable traction assembly 13 and the cable unwinding frame 18 can rotate at the same angle and in the same direction, and the cable is prevented from being stretched due to the fact that the rotation angle difference occurs.
In this embodiment, a limited height frame 19 is fixed on the outer side of the upper end of the revolving frame 16; the height limiting frame 19 is arranged in an L shape, and one end of the height limiting frame 19, which is close to the transmission roller component 12 for cable traction, is provided with a limiting hole 20 for a cable to pass through; the corners of the limiting holes 20 are in arc transition.
Specifically, the height of the cable during unreeling can be ensured to be always on the same horizontal line with the transmission roller assembly 12 and the cable traction assembly 13 for cable traction through the height limiting frame 19, the cable is prevented from sagging, excessive deflection of the cable can be prevented through the limiting hole 20, and the corners adopt arcs to excessively prevent the cable from being scratched during unreeling.
In this embodiment, the two sides of the sliding frame 126 are further provided with protruding shafts 127; the protruding shaft 127 is provided with a rotating part 128 in a matching way through a bearing; a swinging shaft 129 is welded at one end of the rotating member 128; one end of the swing shaft 129 far away from the rotating member 128 is provided with a fisheye joint in a matching way, and the fisheye joint is connected with the double-movable-head connector 123 through a rotating shaft.
In particular, the overall structure of the transmission roller assembly 12 for cable traction is optimized, and the transmission roller assembly 12 for cable traction has a good stabilizing effect when moving.
In this embodiment, the cable pulling assembly 13 includes an outer frame 131; a cable through hole 132 for facilitating the cable to pass through is transversely penetrated through the middle position of the outer frame body 131, and an upper driving plate 133 and a lower driving plate 134 are movably connected to one side of the outer frame body 131 through a rotating shaft.
It is specific a bit, above-mentioned simple structure, only can realize joint and the drive to the cable through last drive plate 133 and lower drive plate 134, when slider 125 drove the cable and pull the removal of subassembly 13, go up the joint groove 136 joint between drive plate 133 and the lower drive plate 134 in the outward appearance department of cable, it pulls to drive the cable under the drive of slider 125, when slider 125 slides back, go up drive plate 133 and lower drive plate 134 and pass at the cable surface, can not drive the cable and move backward to this unidirectional traction movement who realizes the cable.
In this embodiment, the upper driving plate 133 and the lower driving plate 134 are symmetrically disposed, and springs 135 are disposed between the outer frame 131 and the upper driving plate 133 and the lower driving plate 134.
Specifically, the spring 135 can provide an inward reversing force to the upper driving plate 133 and the lower driving plate 134, so that the cables can be conveniently clamped during driving.
In this embodiment, the bottom of the upper driving board 133 and the top of the lower driving board 134 are both provided with a clamping groove 136.
Particularly, when the cable is driven, the clamping groove 136 can be clamped on the outer surface of the cable, so that the cable is fixed, and the cable is conveniently driven to be pulled
In this embodiment, the clamping groove 136, the cable through hole 132 and the limiting hole 20 are disposed on the same horizontal line.
Specific a bit, can guarantee that the cable has better smoothness nature when unreeling and pulling, prevent to appear in the middle of the cable and bend flagging phenomenon and lead to the cable to pull the obstructed condition and appear.
The working principle of the invention is as follows: when the cable pulling device is used, a push rod of the telescopic cylinder 122 is ejected, the double-movable-head connector 123 turns upwards towards the right by taking a rotating shaft at the joint of the double-movable-head connector 123 and the top block 124 as a center, the double-movable-head connector 123 drives the sliding block 125 to move along the sliding frame 126 by continuously pushing the telescopic cylinder 122 through the top block 124, so that a driving force is provided for the cable pulling component 13, when the sliding block 125 drives the cable pulling component 13 to move, the clamping groove 136 between the upper driving plate 133 and the lower driving plate 134 is clamped at the outer surface of a cable, the cable is driven to pull by the sliding block 125, and when the sliding block 125 slides backwards, the upper driving plate 133 and the lower driving plate 134 slide on the surface of the cable and cannot drive the cable to move backwards, so that the unidirectional pulling movement of the cable is realized;
the clamping groove 136, the cable through hole 132 and the limiting hole 20 are arranged on the same horizontal line, so that the cable can be ensured to have better smoothness when being unreeled and dragged, and the phenomenon that the cable is bent and drooped in the middle is prevented from occurring, so that the cable is prevented from being dragged and blocked;
according to the cable drawing device, the first mounting frame 9 is movably connected with the rotating shaft 8 through the rotating frame 7, the cable unreeling frame 18 is movably connected with the rotating shaft 15 through the rotating frame 16, so that a certain angular displacement compensation effect can be achieved when cables are laid and stretched, the linearity of cable stretching is guaranteed through rotation of equipment when the cables are stretched and inclined, the situation that cable stretching is blocked due to overlarge angles is avoided, the main belt pulley 4 and the driven wheel 6 are connected to the bottoms of the rotating shaft 8 and the rotating shaft 15 respectively, and the main belt pulley 4 is connected with the driven wheel 6 through the transmission belt 5, so that when the cables are stretched to form corners, the transmission roller assembly 12 for cable drawing, the cable drawing assembly 13 and the cable unreeling frame 18 can rotate at the same angle and in the same direction, and the situation that cable stretching is blocked due to the occurrence of rotation angle differences is avoided.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.
Claims (3)
1. The utility model provides a cable stretcher for cable laying which characterized in that: the bicycle comprises a bicycle frame body (1), wherein wheels (2) are mounted at two ends of the bottom of the bicycle frame body (1) through two axles; a speed reducer (3) is fixedly arranged at one end above the frame body (1); a transmission motor (21) is arranged on one side of the speed reducer (3), and a rotating shaft (8) is mounted on a power output shaft of the speed reducer (3) through a coupling; the rotating shaft (8) is coaxially provided with a main belt pulley (4) and a rotating frame (7); a first mounting frame (9) is fixedly mounted on the rotating frame (7); two fixing frames (10) for installing a transmission roller assembly (12) for cable traction are arranged in the first mounting frame (9);
the lower end of the transmission roller component (12) for cable traction is fixed on the fixed bottom plate (11); the fixed bottom plate (11) is arranged on the inner side of the first mounting rack (9), and two ends of the fixed bottom plate (11) are fixedly connected with the first mounting rack (9);
the transmission roller assembly (12) for cable traction comprises a U-shaped frame (121), the U-shaped frame (121) is fixedly arranged in the middle of the top of the fixed bottom plate (11), a telescopic cylinder (122) is movably connected onto the U-shaped frame (121), and the end part of a push rod of the telescopic cylinder (122) is movably connected with a double-movable-head connector (123) through a rotating shaft; the other end of the double-movable head connector (123) is connected with the top block (124) through a rotating shaft; the top block (124) is welded at one end of a sliding block (125), and the sliding block (125) is connected in the sliding frame (126) in a sliding way; two ends of the sliding frame (126) are fixedly connected with the first mounting frame (9) through a fixing frame (10); a cable traction assembly (13) is fixed at the top of the sliding block (125); convex shafts (127) are arranged on two sides of the sliding frame (126); the protruding shaft (127) is provided with a rotating part (128) in a matching way through a bearing; a swinging shaft (129) is welded at one end of the rotating member (128); one end of the swinging shaft (129) far away from the rotating part (128) is provided with a fisheye joint in a matching way, and the fisheye joint is connected with the double-movable-head connector (123) through a rotating shaft; the cable traction assembly (13) comprises an outer frame body (131); a cable through hole (132) convenient for a cable to pass through transversely penetrates through the middle position of the outer frame body (131), and an upper driving plate (133) and a lower driving plate (134) are movably connected to one side of the outer frame body (131) through a rotating shaft; the upper driving plate (133) and the lower driving plate (134) are symmetrically arranged, and springs (135) are arranged between the upper driving plate (133) and the outer frame body (131) and between the lower driving plate (134) and the outer frame body (131);
a second mounting frame (14) is fixedly mounted at one end, far away from the speed reducer (3), above the frame body (1); the top of the second mounting rack (14) is connected with a rotating shaft (15) through a bearing in a penetrating way; a rotary frame (16) is fixedly arranged at the top of the rotary shaft (15); the rotary frame (16) is arranged in an L shape, and a unreeling shaft (17) is arranged above the rotary frame (16); the unwinding shaft (17) is provided with a cable unwinding frame (18) through a bearing;
driven wheels (6) are arranged at the bottoms of the two second mounting frames (14); the driven wheel (6) is arranged on the rotating shaft (15) in a matching way, and the driven wheel (6) is in transmission connection with the main belt pulley (4) through a transmission belt (5);
the clamping grooves (136) are formed in the bottom of the upper driving plate (133) and the top of the lower driving plate (134).
2. The cable tensioner for cable laying according to claim 1, characterized in that: a height limiting frame (19) is fixed on the outer side of the upper end of the revolving frame (16); the height limiting frame (19) is arranged in an L shape, and one end of the height limiting frame (19) close to the transmission roller assembly (12) for cable traction is provided with a limiting hole (20) for a cable to pass through conveniently; the corners of the limiting holes (20) are in arc transition.
3. The cable tensioner for cable laying as claimed in claim 1, wherein: the clamping groove (136), the cable through hole (132) and the limiting hole (20) are arranged on the same horizontal line.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110806330.XA CN113479702B (en) | 2021-07-16 | 2021-07-16 | Cable stretcher for cable laying |
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| CN202110806330.XA CN113479702B (en) | 2021-07-16 | 2021-07-16 | Cable stretcher for cable laying |
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| CN113479702A CN113479702A (en) | 2021-10-08 |
| CN113479702B true CN113479702B (en) | 2023-02-03 |
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| CN113942876B (en) * | 2021-10-14 | 2023-04-25 | 润世达工程有限公司 | Cable traction device for power construction |
| CN115036849B (en) * | 2022-08-10 | 2022-11-04 | 临沂天龙电力设备有限公司 | Cable laying device |
| CN115571723B (en) * | 2022-10-31 | 2024-04-05 | 华能澜沧江水电股份有限公司 | Cable winding and cleaning device |
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