CN113224690B - Cable laying stringing auxiliary device - Google Patents
Cable laying stringing auxiliary device Download PDFInfo
- Publication number
- CN113224690B CN113224690B CN202110586581.1A CN202110586581A CN113224690B CN 113224690 B CN113224690 B CN 113224690B CN 202110586581 A CN202110586581 A CN 202110586581A CN 113224690 B CN113224690 B CN 113224690B
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- frame
- conveying
- cable
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- rotating
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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
- H02G1/08—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle through tubing or conduit, e.g. rod or draw wire for pushing or pulling
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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
- H02G9/00—Installations of electric cables or lines in or on the ground or water
- H02G9/06—Installations of electric cables or lines in or on the ground or water in underground tubes or conduits; Tubes or conduits therefor
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- Electric Cable Installation (AREA)
Abstract
The invention relates to a cable laying stringing auxiliary device which comprises a bottom plate frame, a supporting frame, a guiding device and a conveying device, wherein the supporting frame is installed on the right side of the upper end of the bottom plate frame, an arc-shaped groove is formed in the middle of the supporting frame, the guiding device is installed in the middle of the upper end of the bottom plate frame, the conveying device is arranged on the left side of the guiding device, and the conveying device is installed on the bottom plate frame. The invention can solve the problems that the end part of the cable is usually directly inserted into the buried pipeline to be conveyed forwards when the existing equipment lays the cable, so that the end part of the cable is easy to be clamped into the pipeline, the conveying effect of the cable is influenced, and the laying efficiency of the cable is reduced.
Description
Technical Field
The invention relates to the field of cable laying, in particular to an auxiliary device for cable laying stringing.
Background
Cables are usually made up of several wires or groups of wires, each of which is made up of single or multiple wires and an insulating layer for connecting electrical circuits and appliances. 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.
At present, the existing cable usually has the following defects when being laid: 1. when the existing equipment lays a cable, the end part of the cable is usually directly inserted into a buried pipeline to be conveyed forwards, so that the end part of the cable is easy to clamp into the pipeline, the conveying effect of the cable is influenced, and the laying efficiency of the cable is reduced; 2. when laying cables, the conventional equipment cannot convey the cables, generally, the conventional equipment is manually conveyed, so that the labor intensity is high, the efficiency is low, and the laying efficiency of the cables is influenced.
Disclosure of Invention
Technical problem to be solved
The invention can solve the problems that the end part of the cable is usually directly inserted into the buried pipeline to be conveyed forwards when the existing equipment lays the cable, so that the end part of the cable is easy to be clamped into the pipeline, the conveying effect of the cable is influenced, and the laying efficiency of the cable is reduced.
(II) technical scheme
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a cable laying stringing auxiliary device, includes bottom plate frame, support frame, guider and conveyor, bottom plate frame upper end right side install the support frame, the support frame middle part is provided with the arc wall, bottom plate frame upper end mid-mounting has guider, the guider left side is provided with conveyor, conveyor installs on the bottom plate frame.
The guide device comprises a fixing frame, a guide frame, an adjusting mechanism and a locking mechanism, the fixing frame is installed on the right side of the upper end of the base plate frame, the fixing frame is of a rectangular structure, a circular groove is formed in the middle of the fixing frame, guide holes are uniformly formed in the circular groove, the right side of the fixing frame is provided with the guide frame, the guide frame is matched with the circular groove in a clamped mode, the adjusting mechanism is installed in the middle of the guide frame, through holes are uniformly formed in the guide frame, the locking mechanism is installed in the through holes, and the locking mechanism is connected with the adjusting mechanism.
Locking mechanism include connecting sleeve, rotor plate, removal seat, connecting rod and locking board, the through-hole in install connecting sleeve, the rotor plate is installed through the bearing in the connecting sleeve outside, is provided with the plane screw thread on the rotor plate, evenly is provided with the round hole on the connecting sleeve, is connected with the connecting rod through sliding fit's mode in the round hole, the locking board is installed to the connecting rod inboard, the removal seat is installed in the connecting rod outside, remove be provided with on the seat with plane screw thread complex thread groove.
Conveyor include mounting bracket, moving mechanism, conveying mechanism and carriage, bottom plate frame upper end have the mounting bracket through the mounting screw installation, the inside logical groove that is provided with of mounting bracket, the moving mechanism is installed to logical inslot symmetry, conveying mechanism is installed to mounting bracket upper end symmetry, the conveying mechanism inboard is connected with moving mechanism, the mounting bracket mid-mounting has the carriage, the carriage is located between two conveying mechanism.
As a preferred technical scheme of the invention, the adjusting mechanism comprises a rotating rod, a rotating gear and a ring gear, the rotating rod is installed on the right side of the guide frame through a bearing, the rotating gear is installed on the rotating rod, the rotating gear is meshed with the ring gear, and the ring gear is installed on the locking mechanism.
As a preferred technical scheme of the invention, the conveying mechanism comprises a connecting frame, a driving motor, rotating rollers, a movable frame, telescopic units and a conveying belt, wherein the connecting frame is installed on the outer side of the upper end of the mounting frame, the driving motor is installed at the upper end of the connecting frame through a motor base, the rotating rollers are installed at the lower end of the interior of the connecting frame through bearings, the upper end of each rotating roller is connected with an output shaft of the driving motor, the movable frame is arranged in the middle of the upper end of the mounting frame, the lower end of the movable frame is connected with the moving mechanism, the upper end of the movable frame is connected with the connecting frame through a guide rail, the rotating rollers are installed at the front side of the interior of the movable frame through bearings, the telescopic units are symmetrically installed at the rear side of the interior of the movable frame, the rotating rollers are installed through bearings between the telescopic units, and the conveying belt is installed between the rotating rollers.
As a preferred technical scheme of the invention, the telescopic unit comprises a sliding groove, a sliding block and a telescopic spring, the sliding groove is symmetrically arranged on the moving frame, the sliding block is connected in the sliding groove in a sliding fit manner, the telescopic spring is arranged between the sliding block and the sliding groove, the telescopic spring can play a role in tensioning the conveying belt, and the sliding block is connected with the rotating roller through a bearing.
As a preferred technical scheme of the invention, the moving mechanism comprises an electric sliding block and a moving frame, the electric sliding block is arranged in the through groove and can realize the function of driving the moving frame to accurately move, the moving frame is arranged on the electric sliding block, and the upper end of the moving frame is connected with the conveying mechanism.
As a preferred technical scheme of the invention, the conveying belt is made of rubber materials, conveying grooves are symmetrically arranged on the outer side surface of the conveying belt, the conveying grooves are of arc structures, arc frames are uniformly arranged in the conveying belt through screws, and rubber anti-skid protrusions are uniformly arranged on the inner side surface of each arc frame.
As a preferred technical scheme of the invention, the guide frame is of a circular ring structure, the outer side surface of the guide frame is an arc-shaped surface, and balls are uniformly arranged on the outer side surface of the guide frame.
As a preferred technical scheme of the invention, the locking plate is of an arc-shaped structure, the inner concave surface of the locking plate is uniformly provided with the anti-slip plate, the anti-slip plate is uniformly provided with the anti-slip lines, and the anti-slip lines can increase the friction force of the locking plate and prevent the locking plate from falling off.
As a preferred technical scheme of the invention, the conveying frame is of a rectangular structure, the conveying frame is symmetrically provided with guide grooves, and the guide grooves are uniformly provided with steel balls which can effectively reduce friction.
(III) advantageous effects
1. According to the auxiliary device for the cable laying stringing, the guide device can effectively clamp and fix the end part of the cable, the clamping effect is good, the falling-off phenomenon of the cable during conveying can be effectively avoided, meanwhile, the guide device can avoid the phenomenon that the end part of the cable is clamped into the pipeline, the cable laying stringing auxiliary device is beneficial to the effect of the cable, and the laying efficiency of the cable is improved;
2. according to the auxiliary device for stringing for cable laying, which is provided by the invention, the conveying device can effectively and automatically convey the cable, so that the labor intensity of workers is reduced, the conveying effect of the cable is good, the efficiency is high, and the cable laying is facilitated;
3. according to the auxiliary device for stringing for cable laying, provided by the invention, the arc-shaped frame on the conveying belt can increase the friction force between the conveying belt and the cable, so that the phenomenon that the conveying belt slips is prevented, the cable can be effectively conveyed and laid, meanwhile, the rubber antiskid protrusions can avoid scratching the outer surface of the cable, and the phenomenon that the cable is damaged is prevented.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2 in accordance with the present invention;
FIG. 4 is a schematic cross-sectional view taken along line B-B of FIG. 2 in accordance with the present invention;
FIG. 5 is a schematic cross-sectional view of the guide frame, the adjustment mechanism and the locking mechanism of the present invention;
fig. 6 is a schematic cross-sectional view of the conveyor belt of the present invention.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 6, a cable laying stringing auxiliary device, includes bottom plate frame 1, support frame 2, guider 3 and conveyor 4, 1 upper end right side of bottom plate frame install support frame 2, 2 middle parts of support frame are provided with the arc wall, 1 upper end mid-mounting of bottom plate frame has guider 3, 3 left sides of guider are provided with conveyor 4, conveyor 4 installs on bottom plate frame 1.
The guiding device 3 comprises a fixed frame 31, a guiding frame 32, an adjusting mechanism 33 and a locking mechanism 34, the right side of the upper end of the base plate frame 1 is provided with a fixed frame 31, the fixed frame 31 is of a rectangular structure, the middle part of the fixed frame 31 is provided with an annular groove, guide holes are uniformly arranged on the annular groove, the right side of the fixed frame 31 is provided with a guide frame 32, the guide frame 32 is matched with the annular groove in a clamping manner, the middle part of the guide frame 32 is provided with an adjusting mechanism 33, through holes are uniformly arranged on the guide frame 32, a locking mechanism 34 is arranged in the through holes, the locking mechanism 34 is connected with the adjusting mechanism 33, during the specific work, the end part of the cable to be laid is inserted into the guide frame 32 through the fixing frame 31, then the adjusting mechanism 33 is manually rotated, the adjusting mechanism 33 drives the locking mechanism 34 to clamp and fix the end part of the cable, the phenomenon that the end part of the cable falls off is prevented, and the subsequent laying of the cable is facilitated.
Leading truck 32 be ring structure, leading truck 32 lateral surface is the arcwall face, evenly is provided with the ball on the leading truck 32 lateral surface, the arcwall face can prevent that leading truck 32 card from going into buried pipeline inside for leading truck 32 can be abundant slide in pipeline inside, the ball can reduce the friction effectively.
The locking mechanism 34 includes a connecting sleeve 341, a rotating plate 342, a moving seat 343, a connecting rod 344 and a locking plate 345, a connecting sleeve 341 is arranged in the through hole, a rotating plate 342 is arranged outside the connecting sleeve 341 through a bearing, a plane thread is arranged on the rotating plate 342, round holes are uniformly arranged on the connecting sleeve 341, a connecting rod 344 is connected in the round holes in a sliding fit manner, a locking plate 345 is arranged inside the connecting rod 344, a moving seat 343 is arranged outside the connecting rod 344, a thread groove matched with the plane thread is arranged on the moving seat 343, when the adjusting mechanism 33 drives the rotating plate 342 to rotate, the planar threads on the rotating plate 342 drive the connecting rod 344 to move inwards in a thread matching manner, and the connecting rod 344 can further drive the locking plate 345 to clamp the end of the cable in a multi-point manner, so that the cable can be accurately conveyed, and the end of the cable is prevented from being clamped into the buried pipeline.
The locking plate 345 is of an arc-shaped structure, the anti-slip plates are uniformly arranged on the inner concave surface of the locking plate 345, the anti-slip plates are uniformly provided with anti-slip lines, and the anti-slip plates can effectively increase the friction force between the locking plate 345 and the cable and prevent the cable from falling off.
The conveying mechanism 43 comprises a connecting frame 431, a driving motor 432, a rotating roller 433, a movable frame 434, a telescopic unit 435 and a conveying belt 436, wherein the connecting frame 431 is installed on the outer side of the upper end of the mounting frame 41, the driving motor 432 is installed at the upper end of the connecting frame 431 through a motor base, the rotating roller 433 is installed at the lower end inside the connecting frame 431 through a bearing, the upper end of the rotating roller 433 is connected with an output shaft of the driving motor 432, the movable frame 434 is arranged in the middle of the upper end of the mounting frame 41, the lower end of the movable frame 434 is connected with the moving mechanism 42, the upper end of the movable frame 434 is connected with the connecting frame 431 through a guide rail, the rotating roller 433 is installed at the front side inside the movable frame 434 through a bearing, the telescopic unit 435 is symmetrically installed at the rear side inside the movable frame 434, the rotating roller 433 is installed between the telescopic units 435 through a bearing, the conveying belt 436 is installed between the rotating rollers 433, during specific work, when the movable frame 434 is driven by the moving mechanism 42 to move inwards, the live-rollers 433 in the middle of the telescopic unit 435 draw close inwards, so that the conveyer belt 436 is always kept in a tightened state, when the driving motor 432 drives the live-rollers 433 to rotate, the live-rollers 433 drive cables to accurately convey rightwards through the conveyer belt 436, the time-consuming and labor-consuming phenomena caused by manual operation are reduced, and the laying efficiency of the cables is improved.
The telescopic unit 435 includes a sliding groove 4351, a sliding block 4352 and a telescopic spring 4353, the sliding groove 4351 is symmetrically disposed on the moving frame 434, the sliding block 4352 is connected in the sliding groove 4351 in a sliding fit manner, the telescopic spring 4353 is installed between the sliding block 4352 and the sliding groove 4351, the sliding block 4352 is connected with the rotating roller 433 through a bearing, and during specific work, when the moving frame 434 moves, the telescopic spring 4353 adjusts the position of the rotating roller 433 through the sliding block 4352, so that the conveyer belt 436 outside the rotating roller 433 can always maintain a tightened state, and the conveyer belt 436 can accurately convey cables.
Conveyer belt 436 make for the rubber materials, the symmetry is provided with the conveyer trough on the conveyer belt 436 lateral surface, the conveyer trough is the arc structure, evenly install the arc frame through the screw in the conveyer belt 436, evenly be provided with rubber non-slip raised on the arc frame medial surface, the arc frame can increase the frictional force between conveyer belt 436 and the cable, prevent that conveyer belt 436 from taking place the phenomenon of skidding, guarantee that the cable can carry effectively and lay, rubber non-slip raised can avoid causing the scratch to the cable surface simultaneously, prevent that the cable from taking place impaired phenomenon.
The invention comprises the following steps in specific work:
the first step is as follows: the cables to be laid are manually and sequentially passed through the conveying device 4 and the guiding device 3;
the second step is that: the end part of a cable to be laid is inserted into the guide frame 32 through the fixed frame 31, the adjusting mechanism 33 is manually rotated, the adjusting mechanism 33 drives the rotating plate 342 to synchronously rotate, the plane threads on the rotating plate 342 drive the connecting rod 344 to move inwards in a thread matching mode, and the connecting rod 344 can further drive the locking plate 345 to clamp the end part of the cable in multiple points, so that the cable can be accurately conveyed, and the phenomenon that the end part of the cable is clamped into the buried pipeline is prevented;
the third step: when the moving mechanism 42 drives the moving frame 434 to move inwards, the rotating rollers 433 in the middle of the telescopic unit 435 are drawn close inwards, so that the conveying belt 436 is kept in a tight state all the time, and meanwhile, the inner side of the conveying belt 436 can be tightly attached to the cable, so that the friction force between the conveying belt 436 and the cable is improved;
the fourth step: starting drive motor 432, drive motor 432 drives live-rollers 433 at the uniform velocity and rotates, and live-rollers 433 passes through conveyer belt 436 and drives the accurate transport to the right of cable, reduces the phenomenon that wastes time and energy that manual operation leads to, has improved the efficiency of laying of cable.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a cable laying stringing auxiliary device, includes bottom plate frame (1), support frame (2), guider (3) and conveyor (4), its characterized in that: bottom plate frame (1) upper end right side install support frame (2), support frame (2) middle part is provided with the arc wall, bottom plate frame (1) upper end mid-mounting has guider (3), guider (3) left side is provided with conveyor (4), conveyor (4) are installed on bottom plate frame (1), wherein:
the guide device (3) comprises a fixed frame (31), a guide frame (32), an adjusting mechanism (33) and a locking mechanism (34), the fixed frame (31) is installed on the right side of the upper end of the base plate frame (1), the fixed frame (31) is of a rectangular structure, an annular groove is formed in the middle of the fixed frame (31), guide holes are uniformly formed in the annular groove, the guide frame (32) is arranged on the right side of the fixed frame (31), the guide frame (32) is matched with the annular groove in a clamping mode, the adjusting mechanism (33) is installed in the middle of the guide frame (32), through holes are uniformly formed in the guide frame (32), the locking mechanism (34) is installed in the through holes, and the locking mechanism (34) is connected with the adjusting mechanism (33);
the locking mechanism (34) comprises a connecting sleeve (341), a rotating plate (342), a moving seat (343), a connecting rod (344) and a locking plate (345), the connecting sleeve (341) is installed in the through hole, the rotating plate (342) is installed on the outer side of the connecting sleeve (341) through a bearing, planar threads are arranged on the rotating plate (342), round holes are uniformly formed in the connecting sleeve (341), the connecting rod (344) is connected in the round holes in a sliding fit manner, the locking plate (345) is installed on the inner side of the connecting rod (344), the moving seat (343) is installed on the outer side of the connecting rod (344), and a thread groove matched with the planar threads is formed in the moving seat (343);
conveyor (4) include mounting bracket (41), moving mechanism (42), conveying mechanism (43) and carriage (44), bottom plate frame (1) upper end have mounting bracket (41) through the screw mounting, mounting bracket (41) inside is provided with logical groove, moving mechanism (42) are installed to logical inslot symmetry, conveying mechanism (43) are installed to mounting bracket (41) upper end symmetry, conveying mechanism (43) inboard is connected with moving mechanism (42), mounting bracket (41) mid-mounting has carriage (44), carriage (44) are located between two conveying mechanism (43).
2. A cabling stringing aid according to claim 1, wherein: adjustment mechanism (33) including dwang (331), rotating gear (332) and ring gear (333), leading truck (32) right side install dwang (331) through the bearing, install rotating gear (332) on dwang (331), rotating gear (332) meshing has ring gear (333), ring gear (333) are installed on locking mechanism (34).
3. A cabling stringing aid according to claim 1, wherein: the conveying mechanism (43) comprises a connecting frame (431), a driving motor (432), a rotating roller (433), a movable frame (434), a telescopic unit (435) and a conveying belt (436), the connecting frame (431) is installed on the outer side of the upper end of the mounting frame (41), the driving motor (432) is installed at the upper end of the connecting frame (431) through a motor base, the rotating roller (433) is installed at the lower end inside the connecting frame (431) through a bearing, the upper end of the rotating roller (433) is connected with an output shaft of the driving motor (432), the movable frame (434) is arranged in the middle of the upper end of the mounting frame (41), the lower end of the movable frame (434) is connected with the movable mechanism (42), the upper end of the movable frame (434) is connected with the connecting frame (431) through a guide rail, the rotating roller (433) is installed at the front side inside the movable frame (434) through a bearing, the telescopic unit (435) is symmetrically installed at the rear side inside the movable frame (434), rotating rollers (433) are installed between the telescopic units (435) through bearings, and a conveying belt (436) is installed between the rotating rollers (433).
4. A cabling stringing aid according to claim 3, wherein: the telescopic unit (435) comprises a sliding groove (4351), a sliding block (4352) and a telescopic spring (4353), the sliding groove (4351) is symmetrically arranged on the moving frame (434), the sliding block (4352) is connected in the sliding groove (4351) in a sliding fit mode, the telescopic spring (4353) is installed between the sliding block (4352) and the sliding groove (4351), and the sliding block (4352) is connected with the rotating roller (433) through a bearing.
5. A cabling stringing aid according to claim 1, wherein: moving mechanism (42) including electronic slider (421) and removal frame (422), logical inslot install electronic slider (421), install on electronic slider (421) and remove frame (422), remove frame (422) upper end and be connected with conveying mechanism (43).
6. A cabling stringing aid according to claim 3, wherein: the conveying belt (436) is made of rubber materials, conveying grooves are symmetrically formed in the outer side face of the conveying belt (436), the conveying grooves are of arc-shaped structures, arc-shaped frames are uniformly installed in the conveying belt (436) through screws, and rubber anti-skidding protrusions are uniformly arranged on the inner side faces of the arc-shaped frames.
7. A cabling stringing aid according to claim 1, wherein: the guide frame (32) is of a circular ring structure, the outer side surface of the guide frame (32) is an arc-shaped surface, and balls are uniformly arranged on the outer side surface of the guide frame (32).
8. A cabling stringing aid according to claim 1, wherein: the locking plate (345) is of an arc-shaped structure, anti-slip plates are uniformly arranged on the inner concave surfaces of the locking plate (345), and anti-slip lines are uniformly arranged on the anti-slip plates.
9. A cabling stringing aid according to claim 1, wherein: the conveying frame (44) is of a rectangular structure, guide grooves are symmetrically formed in the conveying frame (44), and steel balls are uniformly arranged on the guide grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110586581.1A CN113224690B (en) | 2021-05-27 | 2021-05-27 | Cable laying stringing auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110586581.1A CN113224690B (en) | 2021-05-27 | 2021-05-27 | Cable laying stringing auxiliary device |
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| Publication Number | Publication Date |
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| CN113224690A CN113224690A (en) | 2021-08-06 |
| CN113224690B true CN113224690B (en) | 2021-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110586581.1A Active CN113224690B (en) | 2021-05-27 | 2021-05-27 | Cable laying stringing auxiliary device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113629632B (en) * | 2021-09-14 | 2022-11-18 | 国网福建省电力有限公司建宁县供电公司 | Overhead transmission line tension adjusting wire clamp |
| CN113808792B (en) * | 2021-09-15 | 2023-06-30 | 广东程通电线电缆厂有限公司 | Wire and cable preparation process |
| CN114362055B (en) * | 2021-12-03 | 2024-04-26 | 国网山东省电力公司潍坊供电公司 | Pipe well type cable laying tool and installation method |
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| US9391433B2 (en) * | 2011-11-21 | 2016-07-12 | Wesco Distribution, Inc. | Conduit space recovery system |
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| US3610582A (en) * | 1967-10-25 | 1971-10-05 | Icomag Trust Reg | Motor-driven apparatus for drawing conductor wires into conduits |
| DK124788B (en) * | 1967-10-25 | 1972-11-20 | Icomag Trust Reg | Motor-driven device for pulling wires into pipes. |
| JP2003348724A (en) * | 2002-05-24 | 2003-12-05 | Maruta Sokuryo Sekkei:Kk | Propulsion unit inserted into pipeline |
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| CN212343199U (en) * | 2020-05-27 | 2021-01-12 | 陈永桃 | Cable draw gear convenient to operation |
| CN111600244A (en) * | 2020-06-15 | 2020-08-28 | 山东聚辰电缆有限公司 | Assembled cable pit cable laying device |
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