CN219245833U

CN219245833U - Pulling device for maintaining telecommunication optical fiber

Info

Publication number: CN219245833U
Application number: CN202320866966.8U
Authority: CN
Inventors: 林书铮; 杨玲龙; 金武; 陈宇; 郑敏
Original assignee: China Telecom Co ltd Wenzhou Branch
Current assignee: Chen Yongheng
Priority date: 2023-04-18
Filing date: 2023-04-18
Publication date: 2023-06-23
Anticipated expiration: 2033-04-18

Abstract

The utility model discloses a puller for maintaining telecommunication optical fibers, which belongs to the technical field of optical fibers and comprises a wire concealed pipe, two supporting frames A, a wire pushing frame, damping telescopic rods C, a wire clamping plate and a wire blocking frame, wherein the two supporting frames A are arranged on the side of the end part of the wire concealed pipe and are oppositely arranged in a U shape, the wire pushing frame is arranged inside the wire concealed pipe, which is close to the inside of the wire concealed pipe, on the side of the end part of the wire concealed pipe, and the wire pushing frame is annularly arranged, and the damping telescopic rods C are fixedly arranged on the upper side and the lower side of the inner wall of the wire pushing frame. According to the utility model, after the optical fiber cable is limited between the inner sides of the wire grooves, the two electric rotating rollers are driven by the servo motors matched with the two electric rotating rollers to rotate in the same opposite direction to pull the optical fiber cable to move inside the wire grooves, and meanwhile, the electric rollers are driven by the servo motors matched with the electric rollers to move on the inner walls of the wire concealed pipes, so that after the optical fiber cable is slowly pulled out of the wire concealed pipes, the optical fiber cable is maintained by workers.

Description

Pulling device for maintaining telecommunication optical fiber

Technical Field

The utility model belongs to the technical field of optical fibers, and particularly relates to a puller for maintaining a telecommunication optical fiber.

Background

The optical fiber is a communication cable, which is formed by wrapping and protecting a plurality of plastic optical fiber cores through a plastic soft PVC sleeve, and the indoor arrangement of the optical fiber cable is generally realized in two modes of penetrating through an concealed pipe which is embedded in a wall in advance or directly exposing outside the wall for installation, so that a telecommunication optical fiber is needed.

When a worker needs to lay the optical fiber cable in the indoor concealed pipe, the hard object which is convenient for the softer optical fiber cable to move is bound on the head of the optical fiber cable in the concealed pipe with a plurality of bends, the worker pushes the optical fiber cable to drive the optical fiber cable head to pass through the bound hard object in the concealed pipe, the optical fiber cable slides out of the other end of the concealed pipe, when the optical fiber cable is dismounted, the worker directly pulls the optical fiber cable from one end of the concealed pipe, the optical fiber cable is pulled out of the concealed pipe, and when the worker manually pulls the optical fiber cable directly, the optical fiber cable can be contacted with the inner wall of the concealed pipe with a plurality of bends, so that friction between the optical fiber cable and the inner wall of the concealed pipe can be increased, when the worker pulls the optical fiber cable to dismount, the optical fiber cable is easy to damage the optical fiber cable due to overlarge pulling force.

Disclosure of Invention

The utility model aims at: in order to solve the problem that the optical fiber cable is easy to damage when the operator manually pulls the optical fiber cable directly, the utility model provides a puller for maintaining the telecommunication optical fiber.

The technical scheme adopted by the utility model is as follows: the utility model provides a telecommunications optic fibre maintenance is with pulling ware, includes wire concealed pipe, support frame A, pushing away line frame, damping telescopic link C, clamp plate and fender line frame, wire concealed pipe tip side is provided with support frame A, support frame A has two, and is "U" shape relative setting, wire concealed pipe tip side is close to the inside pushing away line frame that is provided with of wire concealed pipe, and pushing away line frame is annular setting, relative fixed mounting has damping telescopic link C from top to bottom in pushing away line frame inner wall both sides, and damping telescopic link C outside is provided with the spring in coordination damping telescopic link C tip below fixed mounting has the clamp plate between, and the clamp plate relative personally submitted the arc shape setting, pushing away line frame side slip is provided with the fender line frame, pushing away line frame outside is provided with the pushing away line mechanism that can carry out the quick release to the interior optic fibre line of wire concealed pipe, the support frame A outside is provided with and can pull out the anti-skidding pulling mechanism that scrapes to prevent optic fibre line and sharp wire concealed pipe mouth.

The wire pushing mechanism comprises damping telescopic rods B, a moving frame, electric rollers, a limiting groove A, a sliding groove, a limiting frame A and damping telescopic rods D, wherein the damping telescopic rods B are fixedly installed around the outer ring of the wire pushing frame, eight damping telescopic rods B are arranged in parallel in a relative inclined mode and are arranged in an equidistance surrounding mode, springs are arranged on the outer sides of the damping telescopic rods B in a matching mode, the moving frame is fixedly installed above the end portions of the damping telescopic rods B, the electric rollers are arranged above the moving frame in a rotating mode through bearings, the limiting groove A is embedded in the side, close to the upper portion and the lower portion of the wire blocking frame, of the side of the wire blocking frame, the sliding groove A is arranged in an embedded mode, the limiting frame A is arranged on the inner side of the limiting groove A in a matching sliding mode, the damping telescopic rods D are fixedly installed between the outer walls of the opposite faces of the limiting frame A, and the springs are arranged on the outer sides of the damping telescopic rods D in a matching mode.

The anti-scraping sliding pulling mechanism comprises a thread groove, an adjusting screw, a mounting rack, a damping telescopic rod A, a support frame B, an electric rotating roller, a wire groove, a mounting groove, a damping telescopic rod E, a limit frame B, a limiting block and a limit groove B, wherein the thread groove is arranged in an embedded mode above the support frame A, the adjusting screw is arranged on the inner side of the thread groove in a threaded engagement rotating mode, the end portion of the adjusting screw is provided with the mounting rack through the rotation of a bearing, the upper portion of the mounting rack is close to the inner surface of a wire concealed pipe and is in an arc-shaped arrangement, the opposite surface of the mounting rack is fixedly provided with the damping telescopic rod A, the outer side of the damping telescopic rod A is provided with a spring in a matched mode, the end portion of the damping telescopic rod A is fixedly provided with the support frame B, the lower portion of the support frame B is provided with the electric rotating roller through the rotation of the bearing, the middle of the electric rotating roller is embedded in the wire groove, the annular groove is arranged, the opposite surfaces of the two sides of the support frame A are all embedded in the mounting groove, the upper portion and lower portion of the inner wall of the mounting groove are fixedly arranged on the outer side of the damping telescopic rod E, the outer side of the damping telescopic rod is provided with a spring, the two ends of the damping telescopic rod E are close to the limit frame B and the limit frame B is fixedly arranged between the two sides of the limit frame B and the limit frame B is arranged on the outer side of the limit frame.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

1. this kind of telecommunications optic fibre maintenance is with pulling ware is through being provided with pushing away line mechanism, can make the staff pass through damping telescopic link B, remove the frame, electronic gyro wheel, spacing groove A, the spout, spacing A, damping telescopic link D between the cooperation, utilize pushing away the frame with the optic fibre cable head parcel centre gripping after, directly put into the concealed pipe with pushing away the frame, promote optic fibre cable head, release the concealed pipe with optic fibre cable, conveniently dismantle fast, and no longer need the manual effect of dragging the cable and leading to the cable damage easily of staff.

2. This kind of telecommunications optic fibre maintenance is with pulling ware is through being provided with anti-scratch slip and is pulled mechanism, can make the staff pass through the screw groove, adjusting screw, the mounting bracket, damping telescopic link A, support frame B, electronic commentaries on classics roller, the metallic channel, the mounting groove, damping telescopic link E, spacing B, stopper and spacing groove B between the cooperation, the metallic channel between two electronic commentaries on classics rollers is with after the optic fibre cable centre gripping, drive two electronic commentaries on classics rollers and rotate to draw the optic fibre cable and remove at the metallic channel inboard through opening the supporting servo motor of two electronic commentaries on classics rollers to same direction relative rotation, and cooperate with the push away the wire frame simultaneously, can avoid the optic fibre cable to produce the effect of scraping with the friction of hidden pipe mouth department when can not easily damaging the optic fibre cable through drawing.

Drawings

FIG. 1 is a schematic diagram of a side cross-sectional structure of a pulling apparatus of the present utility model;

FIG. 2 is a schematic diagram of the enlarged construction of FIG. 1 at A in accordance with the present utility model;

FIG. 3 is a schematic diagram of the enlarged structure of FIG. 1 at B in accordance with the present utility model;

FIG. 4 is a schematic side view of the support frame A;

FIG. 5 is a schematic diagram of a side view and three-dimensional structure of a support frame A in the utility model;

fig. 6 is a schematic diagram of the enlarged structure of fig. 4 at C in the present utility model.

The marks in the figure: 1. a wire concealed pipe; 2. a supporting frame A; 201. a thread groove; 202. adjusting a screw; 203. a mounting frame; 204. damping telescopic rod A; 205. a support B; 206. an electric roller; 207. a wire groove; 3. a wire pushing frame; 301. a place; 302. a moving rack; 303. an electric roller; 304. damping telescopic rod C; 305. a wire clamping plate; 306. a limit groove A; 4. a wire blocking frame; 401. a chute; 402. a limiting frame A; 403. damping telescopic rod D; 5. a mounting groove; 501. damping telescopic rod E; 502. a limiting frame B; 503. a limiting block; 504. and a limit groove B.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the utility model, the following components are added:

embodiment one: referring to fig. 1-6, a puller for maintaining telecommunication optical fibers comprises a wire hidden pipe 1, a supporting frame A2, a push-wire frame 3, damping telescopic rods C304, a wire clamping plate 305 and a wire blocking frame 4, wherein the two supporting frames A2 are arranged at the side of the end part of the wire hidden pipe 1, the two supporting frames A2 are oppositely arranged in a U shape, the push-wire frame 3 is arranged at the side of the end part of the wire hidden pipe 1, close to the inside of the wire hidden pipe 1, the push-wire frame 3 is annularly arranged, the damping telescopic rods C304 are fixedly arranged at the upper side and the lower side of the inner wall of the push-wire frame 3, springs are arranged outside the damping telescopic rods C304 in a matching manner, a wire clamping plate 305 is fixedly arranged between the lower ends of the parallel damping telescopic rods C304, the wire clamping plate 305 is oppositely arranged in an arc shape, the side of the push-wire frame 3 is slidably provided with the wire blocking frame 4, a wire pushing mechanism capable of rapidly pushing out the optical fiber wires in the wire hidden pipe is arranged at the outer side of the push-wire frame 3, and a sharp scraping preventing scraping and scraping mechanisms are arranged at the outer side of the support frame A2.

Referring to fig. 1 and 2, the wire pushing mechanism is further composed of a damping telescopic rod B301, a moving frame 302, an electric roller 303, a limiting groove a306, a sliding groove 401, a limiting frame a402 and a damping telescopic rod D403;

the periphery of the outer ring of the push wire frame 3 is fixedly provided with damping telescopic rods B301, eight damping telescopic rods B301 are arranged in parallel in a relatively inclined mode, the damping telescopic rods B301 are arranged in an equidistance surrounding mode, springs are arranged on the outer sides of the damping telescopic rods B301 in a matched mode, a movable frame 302 is fixedly arranged above the end portions of the damping telescopic rods B301, electric idler wheels 303 are arranged above the movable frame 302 in a rotating mode through bearings, limit grooves A306 are embedded in the side portions, close to the upper portion and the lower portion of the wire blocking frame 4, of the push wire frame 3, a sliding groove 401 is embedded in the side portion of the wire blocking frame 4, limit frames A402 are arranged on the inner side of the sliding groove 401 in a sliding mode in an up-down mode, the limit frames A402 are arranged on the inner side of the limit grooves A306 in a matching sliding mode, damping telescopic rods D403 are fixedly arranged between the outer walls of the opposite faces of the limit frames A402, springs are arranged on the outer sides of the damping telescopic rods D403 in a matched mode, when staff needs to repair optical fiber cables in the wire hidden pipes 1, pushing two clamp plates 305 inside the push wire frame 3 to drive a damping telescopic rod C304 and an outer spring to shrink, placing the push wire frame 3 outside the head of an optical fiber cable, loosening the clamp plates 305, pushing two limit frames A402 on the side of the wire blocking frame 4 to drive a damping telescopic rod D403 and an outer spring to shrink after the damping telescopic rod C304 and the outer spring are ejected out of the clamp plates 305 to contact the surface of the optical fiber cable, sliding the wire blocking frame 4 into the side of the push wire frame 3, abutting the head of the optical fiber cable, loosening the limit frames A402, sliding the damping telescopic rod D403 and the outer spring out of the limit frames A402 into the inner side of the limit groove A306, placing the push wire frame 3 in the wire hidden pipe 1 after limiting and fixing the wire blocking frame 4 is completed, driving the damping telescopic rod B301 and the outer spring to shrink when the electric roller 303 above the movable frame 302 contacts the inner wall of the wire hidden pipe 1 to enable a plurality of electric rollers 303 to be pressed and contacted with the inner wall of the wire hidden pipe 1, the staff opens the supporting servo motor of a plurality of electric gyro wheels 303 and drives electric gyro wheel 303 and remove at wire concealed pipe 1 inner wall, promotes the optical fiber cable to slide out from wire concealed pipe 1, when can make things convenient for the staff to take out the optical fiber cable from wire concealed pipe 1 in, can avoid manual direct pulling optical fiber cable to lead to cable part position to receive great pulling force and damage.

Referring to fig. 1, 3, 4, 5, and 6, the anti-scratch sliding and pulling mechanism is further composed of a thread groove 201, an adjusting screw 202, a mounting frame 203, a damping telescopic rod a204, a support frame B205, an electric rotating roller 206, a wire groove 207, a mounting groove 5, a damping telescopic rod E501, a limiting frame B502, a limiting block 503, and a limiting groove B504;

a thread groove 201 is embedded above the supporting frame A2, an adjusting screw 202 is rotatably arranged on the inner side of the thread groove 201 in a threaded engagement manner, a mounting frame 203 is rotatably arranged at the end part of the adjusting screw 202 through a bearing, the upper part of the mounting frame 203 is close to the inner surface of the wire concealed pipe 1 and is arranged in an arc shape, a damping telescopic rod A204 is fixedly arranged on the opposite surface below the mounting frame 203, a spring is arranged on the outer side of the damping telescopic rod A204 in a matched manner, a supporting frame B205 is fixedly arranged below the end part of the damping telescopic rod A204, an electric rotating roller 206 is rotatably arranged below the supporting frame B205 through a bearing, a wire groove 207 is embedded in the middle part of the outer ring of the electric rotating roller 206, the wire groove 207 is arranged in an annular shape, mounting grooves 5 are embedded in the opposite surfaces on the two sides of the lower side of the supporting frame A2, a damping telescopic rod E501 is fixedly arranged on the upper and lower inner wall of the mounting groove 5 in a matched manner, a spring is arranged on the outer side of the damping telescopic rod E501, a limiting frame B502 is fixedly arranged between the lateral sides of the end parts of each two damping telescopic rods E501, a limiting groove B504 is embedded and arranged on the lateral side of the limiting frame B502, a limiting block 503 is fixedly arranged on the lateral side of the limiting frame B502 close to the lower side of the limiting groove B504, the limiting blocks 503 are in fit sliding arrangement on the inner sides of the limiting grooves B504, the outer surfaces of the electric rotating rollers 206 and the wire grooves 207 are made of butadiene rubber, when a worker clamps the heads of optical fiber cables on the inner sides of the push wire frames 3, places the push wire frames 3 in the wire hidden pipes 1, and then places two supporting frames A2 on the outer sides of the optical fiber cables at the other ends of the wire hidden pipes 1, then mutually contacts the mounting grooves 5 on the lower sides of the two supporting frames A2, so that the limiting frame B502 slides into the inner sides of the opposite mounting grooves 5, and when mutually extruded, the damping telescopic rods E501 and the outer side springs are unfolded, and the limiting blocks 503 slide into the other lateral limiting grooves B504 of the opposite limiting frame B502, after limiting installation, a worker screws two adjusting screws 202 to rotate at the inner sides of the thread grooves 201 in a threaded engagement manner, drives a mounting frame 203 to move in opposite directions, rotates below the adjusting screws 202 through bearings, enables the arc-shaped surface above the mounting frame 203 to be in contact with the inner wall of a wire concealed pipe 1, pushes two electric rotating rollers 206 to drive a damping telescopic rod A204 and an outer spring to shrink after supporting installation of two supporting frames A2 is completed, loosens the two electric rotating rollers 206 after placing an optical fiber cable between the wire grooves 207 by the worker, enables the damping telescopic rod A204 and the outer spring to eject the two electric rotating rollers 206, enables the optical fiber cable to be limited between the inner sides of the wire grooves 207, and opens a servo motor matched with the two electric rotating rollers 206 to drive the two electric rotating rollers 206 to rotate in opposite same directions to pull the optical fiber cable to move inside the wire grooves 207, the servo motor matched with the electric rollers 303 is opened to drive the electric rollers 303 to move on the inner wall of the wire hidden pipe 1, after the optical fiber cable is slowly pulled out of the wire hidden pipe 1, a worker maintains the optical fiber cable, and in the same mode, after the support frame A2 and the push wire frame 3 are positioned at the same end of the wire hidden pipe 1, the optical fiber cable is subjected to pipe penetrating treatment, meanwhile, the optical fiber cable can be protected from contacting with sharp pipe openings at two ends of the wire hidden pipe 1 when being pulled out or subjected to pipe penetrating treatment, the optical fiber cable and the pipe openings of the wire hidden pipe 1 can be prevented from being scratched, the damage to the surface of the optical fiber cable is avoided, meanwhile, the friction between the electric rotating roller 206 made of butadiene rubber material and the outer surface of the wire slot 207 with wear-resistant and aging-resistant characteristics and the optical fiber cable can be increased when the outer surface of the electric rotating roller is contacted with the optical fiber cable for a long time, the optical fiber cable can be prevented from being scratched and damaged when being conveyed through the outer surface of the wire groove 207.

Referring to fig. 1-5, further, the electric roller 206 is electrically connected to the battery through a matched servomotor and control panel, and the electric roller 303 is electrically connected to the battery through a matched servomotor and control panel.

Example two

As shown in fig. 1, 3, 4 and 5, in addition to the embodiment that the outer surfaces of the electric rotating roller 206 and the wire groove 207 are made of butadiene rubber, another embodiment of the present utility model is provided, in which the outer surfaces of the electric rotating roller 206 and the wire groove 207 are made of natural rubber, and the natural rubber has the characteristics of high mechanical strength, wear resistance, high elasticity and pressure resistance, so that the outer surface of the wire groove 207 can be in contact with the optical fiber cable for a long time, and when the outer surface of the wire groove 207 is extruded, the wire groove 207 can generate smaller deformation through elasticity, so that the extrusion damage to the inside of the optical fiber cable caused by larger extrusion force to the optical fiber cable can be avoided.

Working principle: when a worker needs to repair an optical fiber cable in a wire concealed pipe 1, pushing two wire clamping plates 305 in a wire pushing frame 3 to drive a damping telescopic rod C304 and an outer spring to shrink, placing the wire pushing frame 3 at the outer side of the head of the optical fiber cable, loosening the wire clamping plates 305, enabling the damping telescopic rod C304 and the outer spring to pop out of the wire clamping plates 305 to contact the surface of the optical fiber cable to clamp, pushing two limiting frames A402 at the side of a wire blocking frame 4 to drive a damping telescopic rod D403 and the outer spring to shrink, sliding the wire blocking frame 4 into the side of the wire pushing frame 3, keeping the head of the optical fiber cable out, loosening the limiting frames A402, enabling the damping telescopic rod D403 and the outer spring to pop out of the limiting frames A402 to slide into the inner side of the limiting grooves A306, placing the wire pushing frame 3 in the wire concealed pipe 1 after limiting and fixing the wire blocking frame 4 is completed, enabling an electric roller 303 above a moving frame 302 around the wire pushing frame 3 to contact the inner wall of the wire concealed pipe 1, the damping telescopic rod B301 and the outer springs are driven to shrink, so that a plurality of electric rollers 303 are pressed and contacted with the inner wall of the wire hidden pipe 1, then, after the optical fiber cable head is clamped inside the wire pushing frame 3 and the wire pushing frame 3 is arranged inside the wire hidden pipe 1, after the two supporting frames A2 are arranged outside the optical fiber cable at the other end of the wire hidden pipe 1, the two installing grooves 5 at the lower sides of the two supporting frames A2 are mutually contacted, the limiting frame B502 slides into the inner side of the opposite installing groove 5 and is mutually pressed, the damping telescopic rod E501 and the outer springs are driven to be unfolded, the limiting frame B502 side limiting block 503 slides into the opposite other limiting frame B502 side limiting groove B504, after limiting installation treatment is carried out, the two adjusting screws 202 are screwed by the staff to be engaged and rotated at the inner side of the thread groove 201, the installing frame 203 is driven to move towards the opposite directions, after the arc-shaped surface above the mounting frame 203 contacts with the inner wall of the wire hidden pipe 1 through the rotation of the bearing below the adjusting screw 202, after the supporting and mounting of the two supporting frames A2 are completed, the two electric rotating rollers 206 are pushed to drive the damping telescopic rod A204 and the outer springs to contract, after the optical fiber cable is placed between the wire grooves 207 by workers, the two electric rotating rollers 206 are loosened, the two electric rotating rollers 206 are popped up by the movable damping telescopic rod A204 and the outer springs, the optical fiber cable is limited between the inner sides of the wire grooves 207, finally, the two electric rotating rollers 206 are opened, the two electric rotating rollers 206 are driven by the servo motor matched with the two electric rotating rollers 206 to rotate towards the same direction relatively to pull the optical fiber cable to move on the inner wall of the wire hidden pipe 1, and then, after the optical fiber cable is pulled out from the wire hidden pipe 1, the optical fiber cable is slowly pulled out, the supporting frames A2 and the push-wire frame 3 are positioned at the same end of the wire hidden pipe 1 in the same mode, the optical fiber cable is simultaneously processed, the optical fiber cable is protected, the optical fiber cable is simultaneously pulled out of the wire hidden pipe 1 or the optical fiber cable is prevented from being damaged when the optical fiber cable is pulled out, and the optical fiber cable is not damaged, and the optical fiber cable is prevented from being damaged when the optical cable is mounted on the inner wall of the wire hidden pipe 1, and the optical cable is in the opposite direction, and the pipe is damaged, and the optical fiber conduit is simultaneously.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The utility model provides a telecommunications optic fibre maintenance is with pulling ware, includes wire concealed pipe (1), support frame A (2), pushing away line frame (3), damping telescopic link C (304), clamp (305) and fender line frame (4), wire concealed pipe (1) tip side is provided with support frame A (2), support frame A (2) have two, and are "U" shape and set up relatively, wire concealed pipe (1) tip side is close to wire concealed pipe (1) inside and is provided with pushing away line frame (3), and pushing away line frame (3) are annular setting, pushing away line frame (3) inner wall both sides upper and lower relative fixed mounting has damping telescopic link C (304), and damping telescopic link C (304) outside is supporting to be provided with the spring, and the clamp (305) are fixed mounting between damping telescopic link C (304) tip below that the looks side by side, and clamp (305) are relative to be personally submitted the arc shape and set up, pushing away line frame (3) side slip is provided with fender line frame (4), its characterized in that: the outer side of the push wire frame (3) is provided with a push wire mechanism capable of rapidly pushing out the optical fiber wire in the wire concealed pipe, and the outer side of the support frame A (2) is provided with an anti-scraping sliding pulling mechanism capable of pulling out the optical fiber wire in the wire concealed pipe and preventing the optical fiber wire from scraping and sliding with a relatively sharp wire concealed pipe opening.

2. A telecommunications fiber service puller as set forth in claim 1 wherein: the wire pushing mechanism consists of a damping telescopic rod B (301), a movable frame (302), an electric roller (303), a limiting groove A (306), a sliding groove (401), a limiting frame A (402) and a damping telescopic rod D (403);

the novel damping telescopic device is characterized in that a damping telescopic rod B (301) is fixedly installed around the outer ring of the push wire frame (3), a spring is arranged on the outer side of the damping telescopic rod B (301) in a matched mode, a moving frame (302) is fixedly installed above the end portion of the damping telescopic rod B (301), an electric roller (303) is arranged above the moving frame (302) in a rotating mode through a bearing, a limiting groove A (306) is formed in the side, close to the upper portion and the lower portion of the wire blocking frame (4), of the push wire frame (3) in an embedded mode, a sliding groove (401) is formed in the side, a limiting frame A (402) is arranged on the inner side of the sliding groove (401) in a sliding mode, the limiting frame A (402) is arranged on the inner side of the limiting groove A (306) in a matched mode, a damping telescopic rod D (403) is fixedly installed between the outer walls of the opposite faces of the limiting frame A (402), and the spring is arranged on the outer side of the damping telescopic rod D (403) in a matched mode.

3. A telecommunications fiber service puller as set forth in claim 1 wherein: the anti-scraping sliding and pulling mechanism is composed of a thread groove (201), an adjusting screw (202), a mounting rack (203), a damping telescopic rod A (204), a support frame B (205), an electric rotating roller (206), a wire groove (207), a mounting groove (5), a damping telescopic rod E (501), a limiting frame B (502), a limiting block (503) and a limiting groove B (504);

the utility model discloses a damping telescopic rod, including support frame A (2), support frame B (205) below is provided with electronic roller (206) through bearing rotation, electronic roller (206) outer lane middle part embedding is provided with wire groove (207), and wire groove (207) are annular setting, support frame A (2) below both sides opposite face all imbeds and is provided with mounting groove (5), mounting groove (5) inner wall upper and lower relative fixed mounting has damping telescopic rod E (501), and damping telescopic rod E (501) outside supporting is provided with the spring, fixed mounting has support frame B (205) below damping telescopic rod A (204) tip, support frame B (205) below is provided with electronic roller (206) through bearing rotation, electronic roller (206) outer lane middle part embedding is provided with wire groove (207), and wire groove (207) are annular setting, support frame A (2) below both sides opposite face all imbeds and are provided with mounting groove (5), the upper and lower relative fixed mounting of mounting groove (5) inner wall has damping telescopic rod E (501), and damping telescopic rod E (501) outside is provided with the spring, every two between damping telescopic rod E (502) tip side fixed mounting have stopper B (502) side (502) are close to spacing groove (502) side (502) and are provided with spacing groove (502) side (502), the outer surfaces of the electric rotating roller (206) and the wire groove (207) are made of butadiene rubber.

4. A telecommunications fiber service puller as set forth in claim 2 wherein: eight damping telescopic rods B (301) are arranged in parallel in a relatively inclined mode, and are equidistantly arranged in a surrounding mode.

5. A telecommunications fiber service puller as set forth in claim 3 wherein: the upper part of the mounting frame (203) is close to the inner surface of the wire concealed pipe (1) and is arranged in an arc shape.

6. A telecommunications fiber service puller as set forth in claim 3 wherein: the limiting block (503) is matched with the inner side of the limiting groove B (504) in a sliding mode.