CN117977447B

CN117977447B - Cable laying device and laying method

Info

Publication number: CN117977447B
Application number: CN202410370428.9A
Authority: CN
Inventors: 韩嘉伟; 王翔; 商亮; 贾煜辉
Original assignee: Shaanxi Kunming Cable Manufacturing Group Co ltd
Current assignee: Shaanxi Kunming Cable Manufacturing Group Co ltd
Priority date: 2024-03-29
Filing date: 2024-03-29
Publication date: 2024-05-28
Anticipated expiration: 2044-03-29
Also published as: CN117977447A

Abstract

The invention relates to the technical field of cable installation, and particularly discloses a cable laying device and a cable laying method. According to the cable laying device, the cable is prevented from being scratched by sand and stones in the embedded pipe through the dispersion support of the guide ring; through the rotation setting of guide pillar, reduced the degree of difficulty that the haulage rope was dragged the cable, reduced the damage of pulling of cable in turn.

Description

Cable laying device and laying method

Technical Field

The invention relates to the technical field of cable installation, in particular to a cable laying device and a cable laying method.

Background

There are generally four ways of laying the cabling: laying direct buried cables, laying calandria cables, laying cables in cable trenches or tunnels, and laying bridge cables. Wherein, the calandria cable laying is to arrange a plurality of pipes into a certain form, to be buried underground in advance, and then to lay cables in the calandria. The Chinese patent with the bulletin number of CN116154681B discloses a buried cable laying device, when the device is used, a traction machine drives the whole equipment and a cable to move in a buried pipe through a traction rope, and when the device moves, sand and stones in the buried pipe are sucked into a dust collection tank through a sand suction nozzle by a negative pressure fan, so that the condition that the sand and stones scratch cable skin is avoided.

However, in practice, the device still has the following disadvantages: one end of the cable is fixed on the clamping telescopic rod, the buried cable laying device only supports the end of the cable, when the cable is pulled, the rest part of the cable gradually enters the embedded pipe and falls downwards under the action of gravity, and the part of cable can be pressed at the bottom of the embedded pipe. When the part of the cable entering the embedded pipe is more, the part of the cable pressed on the embedded pipe is also increased, so that the contact area and pressure between the cable and the embedded pipe are increased, and the friction force between the cable and the embedded pipe is indirectly increased. Then, the traction rope is more difficult to drag the cable, and the cable is also easy to cause pulling damage.

Disclosure of Invention

The invention provides a cable laying device and a cable laying method, which aim to solve the problems that a traction rope is difficult to drag a cable and the cable is easy to cause dragging damage in the related art.

The cable laying device comprises a plurality of embedded pipes embedded in the ground, wherein each embedded pipe extends along the left-right direction, a guide assembly can be installed in any embedded pipe, the guide assembly comprises a plurality of guide rings which are closely distributed along the length direction of the embedded pipe, the inner peripheral surface of each guide ring is rotatably provided with a plurality of guide posts, the guide posts extend along the tangential direction of the guide ring, the outer peripheral surface of each guide ring is rotatably provided with a plurality of rollers, the axes of the rollers extend along the tangential direction of the guide ring, and the rollers are contacted with the inner wall of the embedded pipe; one of the two adjacent guide rings is provided with a slot extending along the length direction of the embedded pipe, the other guide ring is provided with an inserting rod matched in the slot, the side wall of the inserting rod is provided with a clamping groove, the guide rings forming the slot are elastically and slidably connected with a clamping block, the clamping block is clamped in the clamping groove in a normal state, the clamping block is provided with an arc surface, and when the two adjacent guide rings slide back to back along the axial direction of the embedded pipe, the clamping block can slide out of the clamping groove through the arc surface; a rope is connected between two adjacent guide rings; the cable laying device comprises a guide ring, a cable laying device and a winding device, wherein the guide ring is arranged at the outer side of the cable laying device, the driving device is used for driving the roller to rotate, the other guide ring is arranged at the outer side of the cable laying device, the cable laying device further comprises a winding device arranged on the ground, a traction rope is connected between the winding device and the suspension ring, and the winding device is used for winding and unwinding the traction rope.

Preferably, a sliding frame is elastically and slidably arranged on the guide ring along the axial direction of the embedded pipe, a push bar is elastically and slidably arranged on the guide ring along the radial direction of the embedded pipe, an inclined table is arranged on the sliding frame, a plane is formed at the top end of the inclined table, a convex block matched with the inclined table is arranged on the push bar, the convex block is pressed against the plane of the inclined table in a normal state, and when the sliding frame drives the inclined table to slide, the push bar can extend out of the guide ring along the inclined table under the action of elastic force; the guide ring is hinged with a scraping plate, the scraping plate is adjacent to the push bar, the plate surface of the scraping plate is arc-shaped, a torsion spring is connected between the scraping plate and the guide ring, the scraping plate is tightly attached to the guide ring under the action of the torsion spring in a normal state, when the push bar extends out of the guide ring, the scraping plate can be pushed to rotate, and after the scraping plate rotates, the extrados surface of the scraping plate is attached to the bottom of the inner wall of the embedded pipe; the cable laying device further comprises a pull rope, the guide rings are provided with through holes, the pull rope sequentially slides through the through holes, one end of the pull rope is fixedly connected with a sliding frame of the guide ring where the driving device is located, the other end of the pull rope is connected with the winding device, and the winding device can wind and unwind the pull rope.

Preferably, the bottom of the guide ring is provided with a notch, a horizontal first limiting surface is formed at the transition part of the guide ring and the notch, the scraping plate is positioned at the notch, a second limiting surface is arranged at the hinge part of the scraping plate, and after the scraping plate rotates, the second limiting surface is pressed against the first limiting surface.

Preferably, in the two adjacent guide rings, a wheel groove is formed in one guide ring, a rope wheel is rotatably mounted in the wheel groove, one end of the rope is wound on the rope wheel, and the other end of the rope is fixedly connected with the other guide ring.

Preferably, the sheave and the guide ring are connected by a coil spring.

Preferably, the winding device comprises a supporting frame, a first winding wheel, a second winding wheel, a first motor and a second motor, and the supporting frame is installed on the ground; the first winding wheel and the second winding wheel are rotatably arranged on the support frame and are spaced apart in the front-rear direction, the traction rope is wound on the first winding wheel, and the stay rope is wound on the second winding wheel; the first motor is installed in the support frame and is used for driving the first winding wheel to rotate, and the second motor is installed in the support frame and is used for driving the second winding wheel to rotate.

Preferably, the cable laying device further comprises an L-shaped buckle plate, the buckle plate is buckled on the top edge of a construction pit on the ground, a bearing column is rotatably installed on the buckle plate, and the traction rope and the middle rope portion of the stay rope are both lapped on the bearing column.

Preferably, the driving device comprises a driving motor, and the driving motor is connected with the roller through a bevel gear pair or a gear set structure.

The cable laying method of the invention adopts the cable laying device and comprises the following steps:

a traction net sleeve is arranged on a guide ring where the hanging ring is arranged in advance, and a guide assembly is arranged in one of the embedded pipes;

the driving device drives the roller to rotate, and the roller drives the guide ring where the driving device is positioned to move along the axial direction of the embedded pipe;

simultaneously, the guide rings synchronously move through the clamping of the clamping blocks and the clamping grooves;

when the guide ring where the driving device is located moves to the pipe orifice of the embedded pipe, an external cable is connected with the traction net sleeve;

the guide ring where the driving device is located is fixed, the winding device winds the traction rope, and the traction rope drives the guide ring to reversely slide through the hanging ring;

meanwhile, the clamping blocks and the clamping grooves between the guide rings are separated from each other, and the guide rings are distributed in the embedded pipes and support the cables in a segmented mode.

By adopting the technical scheme, the invention has the beneficial effects that:

When the traction rope pulls the cable through the guide rings, the guide rings are uniformly dispersed, so that the guide rings realize sectional bearing and uniform bearing on the cable, the consistency of the loads of the guide rings is ensured, meanwhile, the condition that a certain section of the cable falls onto the inner wall of the embedded pipe due to longer span is avoided, gravel and stones at the bottom of the embedded pipe are prevented from being contacted with the cable, the cable is prevented from being scratched, and the cable is protected. The guide ring is dispersed, and meanwhile, the traction rope drives the cable to slide relative to the guide post, at the moment, rolling friction is generated between the guide post and the cable, friction force is small, movement of the cable is facilitated, difficulty in dragging the cable by the traction rope is reduced, and damage to the cable due to pulling is reduced.

Drawings

Fig. 1 is a perspective view of the cable laying device of the present invention when mounted on the ground.

FIG. 2 is a schematic view of the guiding assembly to the pre-buried pipe portion of the present invention.

Fig. 3 is a schematic perspective view of the guide assembly of the present invention.

Fig. 4 is a perspective cross-sectional view of the present invention with two adjacent guide rings in close proximity.

Fig. 5 is a schematic perspective view of the carriage-to-pusher section of the present invention.

Fig. 6 is a perspective view of the ramp of the present invention.

Fig. 7 is a further schematic perspective view of the guide assembly of the present invention.

Fig. 8 is a schematic perspective view of a guide ring portion of the present invention.

Fig. 9 is a partial structural schematic view of the guide ring portion of the present invention.

Fig. 10 is a perspective view of a latch portion of the present invention.

FIG. 11 is a schematic view of a part of the sliding chamber to riser portion of the present invention.

Reference numerals:

100. pre-burying a pipe; 200. a support frame; 201. the first winding wheel; 202. the second winding wheel; 203. a first motor; 204. a second motor; 300. a buckle plate; 301. a support column; 400. constructing a pit;

1. A guide ring; 11. a guide post; 12. a roller; 13. a slot; 131. a clamping block; 1311. a first spring; 1312. an arc surface; 14. a rod; 141. a clamping groove; 15. a rope pulley; 16. crossing; 161. a sliding cavity; 162. a vertical plate; 17. a carriage; 171. a second spring; 172. a ramp; 1721. an inclined plane; 1722. a plane; 18. pushing the strip; 181. a third spring; 182. a bump; 19. a scraper; 191. the second limiting surface; 192. a first limiting surface;

2. A string;

3. A driving device;

4. a bracket; 41. hanging rings;

5. a pull rope; 51. a via hole;

6. a fixed block; 61. and (5) supporting blocks.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.

The cable laying device of the present invention is described below with reference to fig. 1 to 11.

Embodiment 1 as shown in fig. 1 to 10, the cable laying apparatus of the present invention includes a plurality of embedded pipes 100 distributed in a matrix, the plurality of embedded pipes 100 being buried in the ground, each of the embedded pipes 100 extending in the left-right direction. The guide assembly can be installed in any embedded pipe 100, the guide assembly comprises a plurality of guide rings 1 which are closely distributed along the length direction of the embedded pipe 100, the guide rings 1 are coaxial with the embedded pipe 100, a plurality of guide columns 11 are rotatably installed on the inner peripheral surface of the guide rings 1, the guide columns 11 are arranged on the lower half part of the guide rings 1, the guide columns 11 are closely distributed along the circumferential direction of the guide rings 1, and the axial direction of the guide columns 11 is perpendicular to the axial direction of the guide rings 1. The outer peripheral surface of the guide ring 1 is rotatably provided with a plurality of rollers 12, the rollers 12 are uniformly distributed at intervals along the circumferential direction of the guide ring 1, the axial direction of the rollers 12 is perpendicular to the axial direction of the guide ring 1, and the rollers 12 are contacted with the inner wall of the embedded pipe 100.

Among the two adjacent guide rings 1, the guide ring 1 positioned on the right side is provided with a slot 13, the slot 13 extends along the length direction of the embedded pipe 100, and the slot 13 is a blind hole; the guide ring 1 positioned at the left side is provided with a plug rod 14, and the plug rod 14 extends along the length direction of the embedded pipe 100 and is matched in the slot 13. The insertion groove 13 and the insertion rod 14 form an insertion unit, and in this embodiment, the number of insertion units is preferably two, but of course, three, four, etc. may be used, which is not limited herein.

The side wall of the inserted link 14 is provided with a clamping groove 141, the side wall of the slot 13 is provided with a containing groove extending along the front-back direction, a clamping block 131 is slidably matched in the containing groove, and the clamping block 131 is connected with the groove wall of the containing groove through a first spring 1311. Normally, the clamping block 131 is clamped in the clamping groove 141 under the elastic force of the first spring 1311. The end of the clamping block 131 facing the inserted rod 14 is provided with two arc surfaces 1312, and when two adjacent guide rings 1 slide along the axial direction of the embedded pipe 100 in opposite directions, the clamping block 131 can slide out of the clamping groove 141 through one of the arc surfaces 1312. When two adjacent guide rings 1 approach each other and reset, the inserted link 14 can jack up the clamping block 131 through the other circular arc surface 1312, the clamping block 131 slides towards the inner side of the accommodating groove, and then the clamping block 131 is aligned with the clamping groove 141 and is clamped into the clamping groove 141 again. A string 2 is connected between two adjacent guide rings 1.

In the two outermost guide rings 1, the rightmost guide ring 1 is provided with two driving devices 3, the two driving devices 3 are respectively close to two rollers 12 on the guide ring 1, the driving devices 3 are used for driving the adjacent rollers 12 to rotate, and specifically, the driving devices 3 comprise driving motors, and the driving motors are connected with the adjacent rollers 12 through bevel gear pairs or gear sets. When the driving motor is started, the adjacent roller 12 is driven to rotate through a bevel gear pair or a gear set structure. The leftmost guide ring 1 is provided with a bracket 4, a hanging ring 41 is fixed on the bracket 4, and a traction net sleeve can be pre-installed on the bracket 4. The cable laying device further comprises a winding device installed on the ground, a traction rope is connected between the winding device and the hanging ring 41, and the winding device is used for winding and unwinding the traction rope.

When one of the pre-buried pipes 100 is laid with a cable, the guide assembly may be first placed at the left-end pipe orifice of the pre-buried pipe 100. Then, the driving device 3 drives the roller 12 to rotate, the roller 12 drives the rightmost guide ring 1 to slide rightwards, and the guide rings 1 are mutually locked by the clamping blocks 131 and the clamping grooves 141, so that the rightmost guide ring 1 drives the rest guide rings 1 to slide synchronously. When the rightmost guide ring 1 slides to the right end pipe orifice of the embedded pipe 100, the external cable is connected with the traction net sleeve, and the traction net sleeve and the connection mode thereof with the cable are all the prior art in the field, and are not described herein. At the same time, the rightmost guide ring 1 is fixed on the pipe wall of the embedded pipe 100, and in some other embodiments, the rightmost guide ring 1 can be held by hand, so that the position of the rightmost guide ring 1 is unchanged.

Then, the winding device winds the traction rope, the traction rope drives the leftmost guide ring 1 to slide leftwards through the hanging ring 41 and the support 4, at the moment, because the rightmost guide ring 1 is fixed, pulling force can occur between the adjacent guide rings 1, under the force, the clamping blocks 131 and the clamping grooves 141 between the guide rings 1 are mutually separated, then, the locking relation between the adjacent guide rings 1 is released, the guide rings 1 are separated along the axial direction of the embedded pipe 100, the adjacent two guide rings 1 determine the separation distance through the middle wire rope 2, the wire rope 2 keeps movable connection between the adjacent guide rings 1, infinite separation of the adjacent two guide rings 1 is avoided, meanwhile, the wire rope 2 ensures that the separation distance of the separated guide rings 1 is consistent, namely, the separated guide rings 1 are arranged at equal intervals along the axial direction of the embedded pipe 100. The design makes each guide ring 1 can support the cable sectionally and uniformly, ensures the consistency of the loads of each guide ring 1, simultaneously avoids that a certain section of the cable falls onto the inner wall of the embedded pipe 100 because of longer span, in other words, each guide ring 1 separates the cable from the inner wall of the embedded pipe 100, avoids the contact of the cable and the embedded pipe 100, further avoids the contact of gravel and stones on the bottom of the embedded pipe 100 with the cable, avoids the surface layer of the cable scratched by the gravel and the stones, and realizes the protection of the cable.

The guide ring 1 is dispersed, and meanwhile, the traction rope drives the cable to slide relative to the guide post 11, at the moment, rolling friction is adopted between the guide post 11 and the cable, friction force is small, movement of the cable is facilitated, difficulty in dragging the cable by the traction rope is reduced, and meanwhile, damage caused by dragging of the cable is reduced.

It will be appreciated that when the leftmost guide ring 1 is slid leftwards to the left end orifice of the pre-buried pipe 100, the guide rings 1 are just fully separated, at which point the head of the cable can be unbound from the bracket 4. After that, the leftmost guide ring 1 and the rightmost guide ring 1 can be temporarily fixed, the cable is pulled leftwards for a certain distance through the head of the cable, at the moment, the cable slides on the guide post 11, and the guide post 11 realizes the support of the cable.

Among the two adjacent guide rings 1, the inside of the guide ring 1 on the left side is provided with a wheel groove, the wheel groove is arranged at the top of the guide ring 1, the rope wheel 15 is rotationally arranged in the wheel groove, the axis of the rope wheel 15 extends along the front-back direction, the guide ring 1 on the left side is also provided with a rope hole extending along the left-right direction, and the rope hole is communicated with the right side space of the wheel groove and the guide ring 1. One end of the rope 2 is wound on the rope pulley 15, and the other end of the rope 2 passes through the rope hole and is fixedly connected with the guide ring 1 positioned on the right side. The sheave 15 is connected to the guide ring 1 by a coil spring.

When the two adjacent guide rings 1 are separated, the rope 2 is pulled out, the rope 2 drives the rope pulley 15 to rotate, the rope pulley 15 drives the coil spring to deform, and meanwhile the coil spring stores force. When the adjacent two guide rings 1 are folded, the elastic force accumulated by the coil springs drives the rope pulley 15 to rotate reversely and reset, and the rope pulley 15 winds the rope 2 again.

Example 2 is also provided for accomplishing the cleaning of gravel and stones within the embedment tube 100.

In embodiment 2, with continued reference to fig. 1 to 11 based on embodiment 1, the guide ring 1 is provided with a sliding cavity 161 extending along the axial direction of the embedded pipe 100, the left end of the sliding cavity 161 is open, the right end is closed, and the right end wall of the sliding cavity 161 is provided with two front-rear spaced through openings 16. The sliding cavity 161 is slidably matched with the sliding frame 17, the sliding frame 17 is I-shaped as a whole, the vertical plate 162 is fixed in the sliding cavity 161, the vertical plate 162 is positioned on the inner side of the sliding frame 17, the sliding frame 17 and the vertical plate 162 are connected through the second spring 171, when the second spring 171 is in a natural state, two ends of the left side of the sliding frame 17 are level with the left end of the sliding cavity 161, and two ends of the right side of the sliding frame 17 are respectively inserted into the two through openings 16. A chute is formed between the vertical plate 162 and the right end wall of the slide chamber 161, and extends downward in the radial direction of the pre-buried pipe 100 and penetrates the guide ring 1. The sliding groove is slidably matched with a push bar 18, and the push bar 18 is connected with the top wall of the sliding cavity 161 through a third spring 181. The inner side of the carriage 17 is fixedly provided with two inclined tables 172, the inclined tables 172 are symmetrical front and back, the right side part of each inclined table 172 forms an inclined plane 1721, the top end of each inclined table 172 forms a plane 1722, the push bar 18 is provided with two convex blocks 182, the two convex blocks 182 are in one-to-one correspondence with the two inclined tables 172, and the convex blocks 182 are matched with the inclined planes 1721 of the corresponding inclined tables 172.

Normally, the bump 182 is located above the ramp 172 and presses against the plane 1722 of the ramp 172 under the action of the third spring 181, and when the carriage 17 drives the ramp 172 to slide leftwards, the push bar 18 can extend downwards along the inclined plane 1721 of the ramp 172 under the action of the elastic force of the third spring 181 to form the guide ring 1. The bottom of the guide ring 1 has a notch, which is an arc coaxial with the guide ring 1, in other words, the notch may be formed by horizontally facing the bottom of the guide ring 1 and horizontally cutting, and the transition between the guide ring 1 and the notch forms a horizontal first limiting surface 192. The part of the guide ring 1 adjacent to the notch is hinged with a scraping plate 19, the scraping plate 19 and the hinge shaft of the guide ring 1 extend along the front-back direction, the scraping plate 19 is adjacent to the push bar 18 and is positioned right below the push bar 18, and the plate surface of the scraping plate 19 is arc-shaped. A torsion spring is connected between the scraping plate 19 and the guide ring 1. Normally, the face of the scraping plate 19 is tightly attached to the first limiting surface 192 of the guide ring 1 under the action of the torsion spring, and when the push bar 18 downwardly extends out of the guide ring 1, the scraping plate 19 can be pushed to rotate, and after the scraping plate 19 rotates, the extrados of the scraping plate 19 is attached to the bottom of the inner wall of the embedded pipe 100.

The cable laying device further comprises a pull rope 5, the guide ring 1 is provided with a through hole 51, and the through hole 51 is positioned right above the sliding cavity 161. The pull rope 5 sequentially slides through the through holes 51, the right end of the rightmost carriage 17 is provided with a fixed block 6, and when the second spring 171 is in a natural state, the fixed block 6 is positioned on the right side of the rightmost guide ring 1 and is spaced from the guide ring 1. The top of the fixed block 6 is fixed with a supporting block 61, and the right end of the pull rope 5 is fixedly connected with the supporting block 61. The left end of the pull rope 5 protrudes to the left of the leftmost guide ring 1. The left end of the pull rope 5 is connected with a winding device, and the winding device can wind and unwind the pull rope 5.

The scraper 19 is located at the notch, the hinge part of the scraper 19 is provided with a second limiting surface 191, and after the scraper 19 rotates, the second limiting surface 191 is pressed against the first limiting surface 192.

When the cable is laid into the embedded pipe 100, the cable is fixed, the winding device winds the pull rope 5, the pull rope 5 drives the rightmost sliding frame 17 to slide leftwards through the supporting block 61 and the fixed block 6, at the moment, under the action of the gravity of the cable, the pressure between the guide ring 1 and the embedded pipe 100 is larger, the friction force between the guide ring 1 and the embedded pipe 100 is larger, and meanwhile, under the obstruction of sand and stones in the pipe of the embedded pipe 100, the guide ring 1 can be driven to move by larger force.

Therefore, at this time, the guide ring 1 cannot slide leftwards along with the carriage 17, the second spring 171 will be stretched, meanwhile, the guide ring 1 drives the ramp 172 to slide leftwards, the ramp 172 realizes avoiding of the push bar 18, the push bar 18 extends out of the guide ring 1, the push bar 18 pushes the scraper 19 to rotate, and when the second limiting surface 191 of the scraper 19 abuts against the first limiting surface 192, the scraper 19 is turned from a horizontal posture to an upright posture. Then, the fixing block 6 of the rightmost bracket 17 is pressed against the guide ring 1 to the left, and the left end of the rightmost bracket 17 protrudes to the left of the guide ring 1. Then, the pull rope 5 drives the rightmost sliding frame 17 to slide leftwards, the sliding frame 17 pushes the rightmost guide ring 1 to slide leftwards through the fixed block 6, the rightmost guide ring 1 drives the scraping plate 19 to move leftwards, and the scraping plate 19 scrapes the sand and cobbles accumulated at the bottom of the embedded pipe 100 leftwards.

When the rightmost carriage 17 approaches the next guide ring 1, the left end of the rightmost carriage 17 abuts against the right end of the carriage 17 of the next guide ring 1 and pushes the carriage 17 of the next guide ring 1 to slide leftward, whereby the parts of the next guide ring 1 start to repeat the movement process of the parts of the rightmost guide ring 1, and the scraper 19 of the next guide ring 1 is spread. Subsequently, the rightmost guide ring 1 presses against the next guide ring 1 and pushes the next guide ring 1 to the left, and the scrapers 19 of the next guide ring 1 start scraping the gravel and the stones in the embedment pipe 100 to the left. By analogy, the scrapers 19 of the remaining guide rings 1 are spread one by one, and scrape gravel and stones to the left.

By the design, a narrower interlayer can be formed between the adjacent guide rings 1, so that the phenomenon of accumulation caused by single scraping of more sand and stones is avoided, the phenomenon that the sand and stones pass through the guide rings 1 from the inner sides of the guide rings 1 is avoided, and the residues of the cleaned sand and stones in the embedded pipe 100 are reduced.

When each guide ring 1 is retracted layer by layer to the left end of the embedded pipe 100, the pull rope 5 continues to pull the carriage 17 on the rightmost side, each guide ring 1 slides out of the embedded pipe 100, sand and stones between adjacent guide rings 1 are scattered under the action of gravity, and the sand and stones are discharged from the embedded pipe 100. After that, the pull cord 5 continues to pull the rightmost carriage 17, and the guide rings 1 continue to slide leftward and come out of the cable. After the guide assembly is disconnected from the cable, the next embedment 100 can be cabled as desired.

The winding device comprises a supporting frame 200, a first winding wheel 201, a second winding wheel 202, a first motor 203 and a second motor 204, wherein the supporting frame 200 is installed on the ground. The axes of the first winding wheel 201 and the second winding wheel 202 extend along the front-back direction, the first winding wheel 201 and the second winding wheel 202 are rotatably arranged on the supporting frame 200 and are spaced along the front-back direction, the traction rope is wound on the first winding wheel 201, and the pull rope 5 is wound on the second winding wheel 202. The first motor 203 is installed on the support frame 200, an output shaft of the first motor 203 is coaxially connected with the first winding wheel 201, and the first motor 203 is used for driving the first winding wheel 201 to rotate. The second motor 204 is mounted on the support frame 200, an output shaft of the second motor 204 is coaxially connected with the second winding wheel 202, and the second motor 204 is used for driving the second winding wheel 202 to rotate.

The cable laying device further comprises an L-shaped buckle plate 300, the buckle plate 300 integrally extends along the front-back direction, a construction pit 400 is dug in advance on the ground, and the left end of the embedded pipe 100 is communicated with the construction pit 400. The gusset 300 is snapped onto the top edge of the construction pit 400 of the ground and it will be appreciated that the gusset 300 is secured to the top edge of the construction pit 400. The gusset 300 is rotatably mounted with a support column 301, and the support column 301 extends in the front-rear direction. The intermediate rope portions of the traction rope and the pull rope 5 are overlapped on the supporting column 301.

When the first motor 203 drives the first winding wheel 201 to rotate, the first winding wheel 201 starts winding the traction rope. When the second motor 204 drives the second winding wheel 202 to rotate, the second winding wheel 202 starts winding the pull rope 5. When the traction rope and the stay rope 5 are wound, the supporting column 301 is rotated, and rotation friction is formed between the supporting column 301 and the traction rope and the stay rope 5, so that the traction rope and the stay rope 5 can conveniently run. Meanwhile, the supporting column 301 avoids the traction ropes and the pull ropes 5 from being lapped on the edge of the construction pit 400, and reduces the abrasion of the traction ropes and the pull ropes 5.

It will be appreciated that a working pit may also be excavated on the ground, the working pit being located on the right side of the construction pit 400, the right end of the pre-buried pipe 100 being in communication with the working pit.

It can be understood that the binding between the cable and the bracket 4, the temporary fixing of the cable and the temporary fixing of the guide ring 1 according to the present invention are all conventional techniques in the art, and are not described herein.

Referring to fig. 1 to 11, the present invention also provides a cable laying method employing the cable laying apparatus of the above embodiment, comprising the steps of:

A traction net sleeve is arranged on the guide ring 1 where the hanging ring 41 is arranged in advance, and a guide assembly is arranged in one of the embedded pipes 100;

The driving device 3 drives the roller 12 to rotate, and the roller 12 drives the guide ring 1 where the driving device 3 is located to move along the axial direction of the embedded pipe 100.

At the same time, the plurality of guide rings 1 move synchronously by the engagement of the latch 131 and the latch groove 141.

When the guide ring 1 where the driving device 3 is located moves to the pipe orifice of the embedded pipe 100, an external cable is connected with the traction net sleeve.

The guide ring 1 where the driving device 3 is positioned is fixed, the winding device winds the traction rope, and the traction rope drives the guide ring 1 to reversely slide through the hanging ring 41.

Meanwhile, the clamping blocks 131 and the clamping grooves 141 between the guide rings 1 are separated from each other, and the guide rings 1 are distributed in the embedded pipe 100 and support the cable in sections.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.

Claims

1. The cable laying device comprises a plurality of embedded pipes (100) embedded in the ground, wherein each embedded pipe (100) extends along the left-right direction, and the cable laying device is characterized in that guide assemblies can be installed in any embedded pipe (100), each guide assembly comprises a plurality of guide rings (1) which are closely distributed along the length direction of the embedded pipe (100), a plurality of guide posts (11) are rotatably installed on the inner peripheral surface of each guide ring (1), each guide post (11) extends along the tangential direction of each guide ring (1), a plurality of rollers (12) are rotatably installed on the outer peripheral surface of each guide ring (1), the axes of each roller (12) extend along the tangential direction of each guide ring (1), and each roller (12) is in contact with the inner wall of each embedded pipe (100);

One of the two adjacent guide rings (1) is provided with a slot (13) extending along the length direction of the embedded pipe (100), the other one is provided with a plug rod (14) matched in the slot (13), the side wall of the plug rod (14) is provided with a clamping groove (141), the guide ring (1) forming the slot (13) is elastically and slidably connected with a clamping block (131), the clamping block (131) is clamped in the clamping groove (141) in normal state, the clamping block (131) is provided with an arc surface (1312), and when the two adjacent guide rings (1) slide oppositely along the axial direction of the embedded pipe (100), the clamping block (131) can slide out of the clamping groove (141) through the arc surface (1312); a string (2) is connected between two adjacent guide rings (1);

Two of the guide rings (1) located at the outermost side are provided with a driving device (3) for driving the roller (12) to rotate, the other one of the guide rings is provided with a hanging ring (41), the cable laying device further comprises a winding device installed on the ground, a traction rope is connected between the winding device and the hanging ring (41), and the winding device is used for winding and unwinding the traction rope.

2. The cable laying device according to claim 1, characterized in that a sliding frame (17) is elastically and slidably installed on the guide ring (1) along the axial direction of the embedded pipe (100), a pushing bar (18) is elastically and slidably installed on the guide ring (1) along the radial direction of the embedded pipe (100), an inclined table (172) is arranged on the sliding frame (17), a plane (1722) is formed at the top end of the inclined table (172), a bump (182) matched with the inclined table (172) is arranged on the pushing bar (18), the bump (182) is pressed against the plane (1722) of the inclined table (172) in a normal state, and when the sliding frame (17) drives the inclined table (172) to slide, the pushing bar (18) can extend out of the guide ring (1) along the inclined table (172) under the action of elastic force; the guide ring (1) is hinged with a scraping plate (19), the scraping plate (19) is adjacent to the push rod (18) and the plate surface of the scraping plate is arc-shaped, a torsion spring is connected between the scraping plate (19) and the guide ring (1), the scraping plate (19) is tightly attached to the guide ring (1) under the action of the torsion spring in a normal state, when the push rod (18) extends out of the guide ring (1), the scraping plate (19) can be pushed to rotate, and after the scraping plate rotates, the extrados surface of the scraping plate (19) is attached to the bottom of the inner wall of the embedded pipe (100);

The cable laying device further comprises a pull rope (5), the guide ring (1) is provided with a through hole (51), the pull rope (5) sequentially slides through the plurality of through holes (51), one end of the pull rope (5) is fixedly connected with a sliding frame (17) of the guide ring (1) where the driving device (3) is located, the other end of the pull rope (5) is connected with the winding device, and the winding device can wind and unwind the pull rope (5).

3. The cable laying device according to claim 2, characterized in that a notch is formed at the bottom of the guide ring (1), a horizontal first limiting surface (192) is formed at the transition of the guide ring (1) and the notch, the scraper (19) is located at the notch, a second limiting surface (191) is arranged at the hinge part of the scraper (19), and after the scraper (19) rotates, the second limiting surface (191) is pressed against the first limiting surface (192).

4. The cable laying device according to claim 1, wherein a sheave (15) is rotatably mounted in one of the guide rings (1) of the adjacent two guide rings (1), one end of the wire rope (2) is wound around the sheave (15), and the other end of the wire rope (2) is fixedly connected to the other guide ring (1).

5. The cable laying device according to claim 4, characterized in that the sheave (15) is connected with the guide ring (1) by means of a coil spring.

6. The cable laying device of claim 2, wherein the wind-up device comprises:

a support (200), the support (200) being mounted to the ground;

the first winding wheel (201) and the second winding wheel (202), the first winding wheel (201) and the second winding wheel (202) are rotatably arranged on the support frame (200) and are spaced in the front-rear direction, the traction rope is wound on the first winding wheel (201), and the pull rope (5) is wound on the second winding wheel (202);

The first motor (203) is mounted on the support frame (200) and used for driving the first winding wheel (201) to rotate, and the second motor (204) is mounted on the support frame (200) and used for driving the second winding wheel (202) to rotate.

7. The cable laying device according to claim 6, further comprising a pinch plate (300) having an L-shape, the pinch plate (300) being snapped onto the top edge of a construction pit (400) in the ground, the pinch plate (300) being rotatably mounted with a support column (301), the intermediate rope portions of the pull rope and the pull rope (5) being each snapped onto the support column (301).

8. The cable laying device according to claim 1, characterized in that the drive device (3) comprises a drive motor, which is connected to the roller (12) by means of a bevel gear pair or a gear set arrangement.

9. A cable laying method, characterized in that the cable laying device according to claim 1 is used, comprising the steps of:

a traction net sleeve is arranged on a guide ring (1) where the hanging ring (41) is arranged in advance, and a guide assembly is arranged in one of the embedded pipes (100);

the driving device (3) drives the roller (12) to rotate, and the roller (12) drives the guide ring (1) where the driving device (3) is positioned to move along the axial direction of the embedded pipe (100);

simultaneously, the guide rings (1) synchronously move through the clamping of the clamping blocks (131) and the clamping grooves (141);

When the guide ring (1) where the driving device (3) is positioned moves to the pipe orifice of the embedded pipe (100), an external cable is connected with the traction net sleeve;

The guide ring (1) where the driving device (3) is positioned is fixed, the winding device winds the traction rope, and the traction rope drives the guide ring (1) to reversely slide through the hanging ring (41);

Meanwhile, the clamping blocks (131) and the clamping grooves (141) between the guide rings (1) are separated from each other, and the guide rings (1) are dispersed in the embedded pipe (100) and support the cable in a segmented mode.