CN116119443A

CN116119443A - Optical cable pay-off device for construction

Info

Publication number: CN116119443A
Application number: CN202310303306.3A
Authority: CN
Inventors: 李文远; 肖翔; 查翔; 丁祖超; 汪胜华; 何昌银; 查道清; 陈星�; 阮堕奎; 赵林; 张世昭
Original assignee: Jingxian Power Supply Co of State Grid Anhui Electric Power Co Ltd
Current assignee: Jingxian Power Supply Co of State Grid Anhui Electric Power Co Ltd
Priority date: 2023-03-27
Filing date: 2023-03-27
Publication date: 2023-05-16

Abstract

The invention relates to a construction optical cable paying-off device which comprises a movable base, a winding frame and a paying-off mechanism, wherein the paying-off mechanism and the winding frame are sequentially arranged on the movable base from left to right. The invention can solve the problems that in the prior art, the situation that the hoisting frame rotates in a small amplitude still under the action of inertia after the switch is closed is not considered, part of the optical cable is still paid out and falls on the ground, the surplus of the optical cable which is paid out by inertia increases along with the increase of the start-stop times, the situation that the optical cable is wound when being placed on the ground at will possibly causes certain interference to the subsequent optical cable laying, and meanwhile, the bending degree of the coiled optical cable is larger when the coiled optical cable is pulled out, and the coiled optical cable is difficult to straighten the optical cable directly when the coiled optical cable is directly applied to the laying process, so that the actual service length of the optical cable is longer than the preset length, the waste of the optical cable is caused, and the like.

Description

Optical cable pay-off device for construction

Technical Field

The invention relates to the technical field related to optical cable paying-off, in particular to an optical cable paying-off device for construction.

Background

With the rapid development of the communication industry, computers and smart phones are widely popularized, the traditional network cable cannot meet the demands of people on the network, and the optical cable gradually becomes the main angle of the communication propagation field and plays an important role in the communication field of the modern society. The optical cable is the most effective transmission medium in data transmission, has the advantages of wider frequency band, wider frequency band and the like, and is generally integrally coiled (coil holder) when being laid, and only the coiled optical cable needs to be pulled out when being laid.

In the existing paying-off process, for example, chinese patent with publication number CN107193094a, it discloses a pipe optical cable construction paying-off device, specifically comprising: the pipeline includes vertical wellhead and horizontally pipeline, its characterized in that, including optical cable drum, hoisting frame, dance wheel, aboveground diversion wheel and downhole diversion wheel, install the optical cable drum on the hoisting frame, optical cable one end on the optical cable drum twines behind the hoisting frame on dance wheel, gets into aboveground diversion wheel diversion after the dance wheel, downwardly extending gets into the downhole diversion wheel diversion, and the optical cable is through hoisting frame automatic unwrapping wire, in leading clamp wheel, dance wheel and diversion wheel get into the downhole pipeline, realizes laying.

Among the above-mentioned prior art, mainly pay off the cable through the hoisting frame, and carry the cable through the diversion of leading to clamp wheel, dance wheel and diversion wheel, but in above-mentioned prior art, do not consider the hoisting frame after closing the switch, still appear the condition of small amplitude rotation under the effect of inertia, part optical cable still is paid out this moment, thereby fall on ground, along with the increase of start-stop number of times, because of the optical cable surplus increase of inertia by the unwrapping wire, the circumstances that can appear twining is placed wantonly on ground, thereby cause certain interference to subsequent optical cable laying, simultaneously, its crookedness is great when the optical cable of lapping is pulled out, directly be applied to the direct optical cable of straightening out with difficulty in the laying process, the in-service use length of optical cable is greater than predetermined length has been caused, the waste of optical cable has been caused. Based on this, there is room for improvement over existing wiring technologies.

Disclosure of Invention

In order to prevent the optical cable from piling up in the paying-off process and enable the paid-out optical cable to be straight and smooth, the application provides a construction optical cable paying-off device.

The application provides a construction is with optical cable pay-off adopts following technical scheme:

the optical cable paying-off device for construction comprises a movable base, a winding frame and a paying-off mechanism, wherein the paying-off mechanism and the winding frame are sequentially arranged on the movable base from left to right;

the paying-off mechanism comprises a shell, tensioning units, braking units and correcting paying-off units, wherein the number of the correcting paying-off units is two, the correcting paying-off units are arranged up and down, the shell is arranged on a movable base, the shell is divided into a correcting cavity, a braking cavity and a tensioning cavity from left to right in sequence, the tensioning units play a role in tensioning and accommodating the pulled optical cable, so that winding conditions of the pulled optical cable caused by arrangement disorder are avoided, the tensioning units, the braking units and the correcting paying-off units are respectively arranged in the corresponding tensioning cavity, the braking cavity and the correcting cavity, and the braking units and the correcting paying-off units are matched to linearly correct the optical cable;

the brake unit comprises a control component, a brake roller, a sleeve-type component and a piston mechanism, wherein the control component is arranged in a shell in a vertically sliding manner, the control component is in temporary locking fit with the brake roller, the lower end of the brake roller is rotatably arranged in the shell, the sleeve-type component matched with the control component is arranged in the shell in a left-right sliding manner, the control component temporarily locks or unlocks the rotation condition of the brake roller and the sliding condition of the sleeve-type component, the piston mechanism is arranged at the lower end of the sleeve-type component, the piston mechanism is in extrusion fit with the control component, and the piston mechanism controls the inner diameter of the sleeve-type component.

The correcting paying-off unit comprises a power unit, a square frame, an extrusion piece, a compression rod and a correcting module, wherein the power unit is installed in the correcting cavity, the square frame matched with the power unit is arranged in the correcting cavity in a sliding mode, the extrusion piece matched with the square frame in an extrusion mode is arranged in the correcting cavity in a rotating mode, the compression rod is arranged between the extrusion piece and the correcting module in a matched mode, the compression rod is arranged in the correcting cavity in a sliding mode, the correcting module is arranged in the correcting cavity in a rotating mode, the power unit drives the square frame to move left and right in a reciprocating mode, and two ends of the correcting module are extruded under the matching of the extrusion piece and the compression rod, so that the correcting module swings left and right.

Preferably, tensioning unit includes guide roll, guide roll and tensioning assembly, and the inside of tensioning cavity has set gradually guide roll, tensioning assembly and guide roll from a left side to the right side, and the guide roll plays the effect that the guide optical cable got into in the pay-off mechanism, thereby tensioning assembly leads to keeping somewhere to carry out interim expansion formula to the optical cable that leads to outside because of the spool inertial rotation and accomodates, thereby avoids the optical cable to pile up, and tensioning assembly evenly sets up on the inner wall at both ends around the tensioning cavity.

Preferably, the tensioning assembly comprises a tensioning spring, a tensioning installation frame and a tensioning adjusting roller, one end of the tensioning spring is fixed on the inner wall of the tensioning cavity, the other end of the tensioning spring is connected with the tensioning installation frame, the tensioning spring plays a role in resetting the tensioning installation frame, the tensioning installation frame is rotationally provided with the tensioning adjusting roller, a limiting sliding groove is formed in the tensioning cavity, and the tensioning installation frame is slidably arranged in the limiting sliding groove.

Preferably, the control assembly comprises an operating rod, rigid locking pieces, clamping pieces and an extrusion rod, wherein the operating rod is installed in the shell in a vertically sliding mode, the rigid locking pieces are symmetrically installed at the lower end of the operating rod, the clamping pieces located between the rigid locking pieces are installed on the operating rod, square grooves are formed in the top ends of the brake rollers, the positions between the square grooves and the clamping pieces correspond to each other, the descending clamping pieces are inserted into the square grooves to lock the steering of the brake rollers, and the extrusion rod is installed at the rear end of the operating rod.

Preferably, the sleeve is arranged on the upper side of the shell, the sleeve is arranged on the lower side of the shell, the connecting rods are symmetrically arranged at the upper end and the lower end of the mounting plate, the conducting pieces are arranged at the left end of the connecting rods, the connecting rods above the connecting rods are provided with locking grooves, the positions between the locking grooves and the rigid locking pieces are corresponding, the rigid locking pieces after descending are inserted into the locking grooves to temporarily lock the moving positions of the connecting rods, the return springs are connected between the shell and the mounting plate, and the return springs play a resetting role on the mounting plates.

Preferably, the piston mechanism includes piston tube, the piston rod, extrusion piece, slider and inflatable balloon, the piston tube is installed in telescopic below, thereby the inside slip of piston tube is provided with the piston rod, the extrusion piece is installed to the bottom of piston rod, be connected with reset spring between extrusion piece and the piston tube, extrusion cooperation between the front end inclined plane of extrusion piece and slider, the slider slides and sets up on the mounting panel, be extrusion cooperation between the rear end inclined plane of slider and the lower extreme of extrusion piece, inflatable balloon is installed to telescopic inner wall, inflatable balloon and piston mechanism intercommunication, the lift of piston rod is controlling inflatable balloon's the condition of aerifing, when inflatable balloon inside overflows, thereby the resistance between optical cable and the inflatable balloon that passes increases, thereby drive inflatable balloon, sleeve follow the removal (the telescopic mode of removal is regional removal, and can not follow the optical cable all the time, even the air cable is overflowed with the optical cable between the resistance increase, inflatable balloon and the gliding possibility still be guaranteed, thereby the sleeve carries out regional removal).

Preferably, the power unit includes motor, incomplete gear, insulating shell, power and switch spare, the motor passes through the motor cabinet to be installed in correcting the cavity, install incomplete gear on the output shaft of motor, the inside front and back symmetry of returning the shape frame is provided with the rack, rack and incomplete gear engagement, the insulating shell is installed in correcting the cavity, the inside of insulating shell is provided with power and switch spare, be electric connection between power and the switch spare and the motor, the position of switch spare and electrically conductive spare corresponds, the electrically conductive spare of initial position does not contact between the electrically conductive spare and the switch spare, only when the optical cable drive cover is established the mechanism and is removed, electrically conductive spare and switch spare just will contact (no matter how much the electrically conductive spare removes and all can contact with the switch spare, electrically conductive spare just can separate the outage with the switch spare when right side), thereby power unit forms the passageway to power supply to the motor this moment.

Preferably, the extrusion groove is formed in the extrusion piece, the middle of the extrusion groove is of a horizontal plane structure, two ends of the extrusion groove are of slope structures, the gradient of the slope structures gradually rises from inside to outside, the extrusion piece is in extrusion fit with the return frame, and the left-right horizontal reciprocating motion of the return frame forces the two ends of the extrusion piece to adjust the reciprocating angle.

Preferably, the end part of the pressure receiving rod is rotatably provided with a rigid roller, the rigid roller is in contact fit with the correction block, the rigid roller can reduce friction between the pressure receiving rod and the correction block, and the service life of the mechanism is prolonged.

Preferably, the correction module includes correction piece, the connecting block, air cock and rubber pad, install the connecting block on the correction piece, the connecting block is connected with the casing through the round pin axle, the rotation axle center of connecting block is in same horizontal plane with the axle center of the optical cable after correcting, the cross-section of correction piece is convex, the semicircle face of correction piece is last to have seted up the semicircle inslot to install the rubber pad, the rubber pad can play the guard action when correcting the surface of piece to the optical cable, the gas circuit passageway has been seted up to the inside of correction piece, the one end of air cock is connected in the gas circuit passageway of correction piece, the air pump is connected to the other end of air cock, the outside at the casing is installed to the air pump, thereby carry out the air blow clean from the dust on gas circuit passageway blowout to the optical cable surface after the air pump is opened.

In summary, the present application includes at least one of the following beneficial technical effects:

1. according to the cable paying-off device for construction, the curvature of the optical cable is subjected to targeted correction treatment, the curvature of the optical cable after being pulled out is greatly reduced, the difficulty in laying the optical cable in manual pulling and construction is reduced, the transmission of the optical cable and the correction treatment related modules (a braking unit and a correction paying-off unit) are intelligently and synchronously started and stopped (the correction treatment module is in a working state when the optical cable is transmitted and the correction treatment module is in a closing state when the optical cable is stopped), and the tensioning unit is arranged, so that the problem of timely storage of the optical cable with excessive paying-off in the prior art is solved, and the winding condition is avoided;

2. the setting of brake unit makes and is synchronous motion between the transport of optical cable and the correction unwrapping wire unit, when the optical cable carries, because the resistance between optical cable and the inflatable bag increases, the optical cable that moves drives inflatable bag, sleeve synchronous motion, thereby trigger power unit and start, and then correct the processing to the cable in the unwrapping wire, when the optical cable stops carrying, under return spring's pulling force effect, inflatable bag, sleeve synchronous reset right side (even the resistance between optical cable and the inflatable bag, but do not influence inflatable bag, sleeve right side move the motion mode that resets under optical cable stop and elasticity reset effect), brake unit has done the motion mode that opens with the optical cable and stop in step.

3. The setting of correction unwrapping wire unit is through telescopic motion to trigger the power unit and start, make the shape frame that returns be left and right movement, drive under the cooperation of shape frame, extrusion piece, pressure receiving pole and correct the module and swing about, thereby carry out the extension type to the optical cable that passes and correct the processing.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the structure between the payout mechanism of the present invention and the optical cable;

FIG. 3 is a schematic illustration of the location between the tension unit and the fiber optic cable of the present invention;

FIG. 4 is a schematic view of the construction of the tensioning assembly of the present invention;

FIG. 5 is a schematic view of the structure of the brake unit of the present invention;

FIG. 6 is a schematic diagram of the control assembly of the present invention;

FIG. 7 is a schematic view of the construction of the sheathing assembly of the present invention;

FIG. 8 is a cross-sectional view of the invention between the extrusion rod, sleeve, and piston mechanism;

FIG. 9 is a schematic illustration of the structure between a brake roller and a clamping member of the present invention;

FIG. 10 is a cross-sectional view between the payout mechanism of the present invention and the optical cable;

fig. 11 is a schematic diagram of the structure of the rectification block.

Reference numerals illustrate: 1. a moving base; 2. a spool stand; 3. a paying-off mechanism; 31. a housing; 32. a tensioning unit; 33. a braking unit; 34. a correcting paying-off unit; 311. correcting the cavity; 312. a braking cavity; 313. tensioning the cavity; 321. a guide roller; 322. a guide roller; 323. a tensioning assembly; 331. a control assembly; 332. a brake roller; 333. sleeving a component; 334. a piston mechanism; 341. a power unit; 342. a square frame; 343. an extrusion; 344. a compression bar; 345. a correction module; 3231. tensioning a spring; 3232. tensioning the mounting frame; 3233. tensioning an adjusting roller; 3311. a joystick; 3312. a rigid locking member; 3313. a clamping piece; 3314. an extrusion rod; 3331. a sleeve; 3332. a mounting plate; 3333. a connecting rod; 3334. a conductive member; 3335. a return spring; 3341. a piston cylinder; 3342. a piston rod; 3343. extruding a block; 3344. a slide block; 3345. an inflatable airbag; 3411. a motor; 3412. an incomplete gear; 3413. an insulating case; 3414. a power supply; 3415. a switch member; 3441. a rigid roller; 3451. a correction block; 3452. a connecting block; 3453. an air tap; 3454. and a rubber pad.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-11.

The embodiment of the application discloses pay-off for optical cable construction corrects the optical cable through the inside extrusion of device and straightens, accomodates unnecessary optical cable, avoids too much optical cable that pulls out to place the winding condition that leads to at will.

Referring to fig. 1, this embodiment discloses a pay-off device for optical cable construction, which comprises a movable base 1, a spool 2 and a pay-off mechanism 3, wherein the pay-off mechanism 3 and the spool 2 are sequentially installed on the movable base 1 from left to right.

Referring to fig. 2, in order to temporarily store the drawn excess optical cable and correct the curvature of the drawn optical cable, the application is provided with a paying-off mechanism 3, specifically, the paying-off mechanism 3 includes a housing 31, a tensioning unit 32, a braking unit 33 and a correcting paying-off unit 34, the housing 31 is mounted on a moving base 1, the housing 31 is divided into a correcting cavity 311, a braking cavity 312 and a tensioning cavity 313 from left to right in sequence, an operation opening is formed in the housing 31, a cover plate is connected to the operation opening through a hinge, after the cover plate is opened, the inside of the application is observed, at this time, the cable can pass through in a guiding manner, and the tensioning unit 32, the braking unit 33 and the correcting paying-off unit 34 are respectively arranged in the corresponding tensioning cavity 313, the braking cavity 312 and the correcting cavity 311, the free end of the optical cable is pulled out leftwards, and the free end of the optical cable is sequentially pulled out after passing through the tensioning unit 32, the braking unit 33 and the correcting unit 34 in the pulling-out process.

Referring to fig. 5-9, in order to prevent the residual pulling out of the optical cable caused by the inertial rotation of the spool 2 during the paying-off process (the situation that the winding is easy to occur when the excessive pulling out is excessive), the application is provided with a braking unit 33, specifically, the braking unit 33 comprises a control component 331, a braking roller 332, a sleeving component 333 and a piston mechanism 334, the control component 331 is arranged in the shell 31 in a sliding manner up and down, the control component 331 and the braking roller 332 are in temporary locking fit, the lower end of the braking roller 332 is rotatably arranged in the shell 31, the rotating direction of the braking roller 332 is locked through the control component 331, at the moment, the braking roller 332 with the position locking locks the passing optical cable, so that the free end of the optical cable cannot be pulled forward, the sleeving component 333 matched with the control component 331 is arranged in the shell 31 in a sliding manner left and right, the lower end of the sleeving component 333 is provided with a piston mechanism 334, and the piston mechanism 334 is in pressing fit with the control component 331.

Referring to fig. 10-11, in order to straighten an optical cable, the present application is provided with a straightening pay-off unit 34, specifically, the straightening pay-off unit 34 includes a power unit 341, a square frame 342, an extrusion piece 343, a compression bar 344 and a straightening module 345, the power unit 341 is installed in the straightening cavity 311, the square frame 342 matched with the power unit 341 is slidingly arranged in the straightening cavity 311 left and right, the extrusion piece 343 matched with the square frame 342 in an extrusion manner is rotationally arranged in the straightening cavity 311, the compression bar 344 is cooperatively arranged between the extrusion piece 343 and the straightening module 345, the compression bar 344 is slidingly arranged in the straightening cavity 311 up and down, and the straightening module 345 is rotationally arranged in the straightening cavity 311.

In the actual paying-off process, the application is moved to a working position through the moving base 1, the free end of the optical cable is pulled out and sequentially passes through the tensioning unit 32, the braking unit 33 and the correcting paying-off unit 34, in the passing process, the elastic expansion type storage (the winding condition of the allowance of the optical cable is prevented) is carried out on the optical cable through the tensioning unit 32, then the bending degree of the passing optical cable is corrected through the matching between the braking unit 33 and the correcting paying-off unit 34, the specific correcting mode is as follows, the pulled optical cable drives the sleeving component 333 to move under the action of resistance, the moving state sleeving component 333 triggers the power unit 341, the power unit 341 is electrified and drives the loop frame 342 to move left and right, the extruded extrusion 343 is matched with the pressed rod 344 to drive the correcting module 345 to swing left and right, the correcting module 345 (swinging state) is used for correcting the passing optical cable, the bending degree of the optical cable is ensured to be greatly reduced, and the difficulty of manual pulling and construction is reduced.

Referring to fig. 3-4, the spool 2 releases the redundant optical cable under the action of inertia, and the random placement of the redundant optical cable at this moment easily causes the condition such as winding, the application is provided with the tensioning unit 32 and temporarily stores this part of redundant optical cable, and specifically, the tensioning unit 32 includes a guide roller 321, a guide roller 322 and a tensioning assembly 323, the inside of the tensioning cavity 313 has set gradually the guide roller 321, the tensioning assembly 323 and the guide roller 322 from left to right, and the tensioning assembly 323 is evenly arranged on the inner wall at the front and rear ends of the tensioning cavity 313. The tensioning assembly 323 includes tensioning spring 3231, tensioning mounting bracket 3232 and tensioning dancer roll 3233, and tensioning spring 3231's one end is fixed on the inner wall of tensioning cavity 313, and tensioning spring 3231's the other end is connected with tensioning mounting bracket 3232, rotates on the tensioning mounting bracket 3232 and is provided with tensioning dancer roll 3233, has seted up spacing spout on the tensioning cavity 313, tensioning mounting bracket 3232 slides and sets up in spacing spout.

In the actual paying-off process, the optical cable enters the tensioning unit 32 under the guidance of the guide roller 322, the tensioning regulating rollers 3233 in the tensioning unit 32 are alternately arranged in a wave mode, the optical cable sequentially surrounds the tensioning regulating rollers 3233, when the optical cable is paid off too much due to the rotation of the spool 2, the tensioning regulating rollers 3233 tighten the optical cable under the action of the tensioning springs 3231, and the optical cable is always in a tightening state under the action of the tensioning springs 3231 along with the pulling of the subsequent optical cable.

Referring to fig. 6 and 9, the control unit 331 includes a lever 3311, a rigid locking member 3312, a locking member 3313 and a pressing rod 3314, the lever 3311 is slidably installed in the housing 31 up and down, the rigid locking member 3312 is symmetrically installed at the lower end of the lever 3311, the locking member 3313 located between the rigid locking members 3312 is installed on the lever 3311, a square groove is formed at the top end of the brake roller 332, the square groove corresponds to the position between the locking members 3313, and the pressing rod 3314 is installed at the rear end of the lever 3311.

In the actual operation process, the operation rod 3311 is pulled upwards in the paying-off process, at this time, the rigid locking piece 3312 and the clamping piece 3313 are separated from the locking groove and the square groove respectively, the movement of the connecting rod 3333 and the rotation of the braking roller 332 are unlocked, before and after the paying-off process, the operation rod 3311 is pressed down, the rigid locking piece 3312 and the clamping piece 3313 which synchronously descend are respectively inserted into the locking groove and the square groove, the connecting rod 3333 and the braking roller 332 are locked, at this time, the locked braking roller 332 locks the body position of the optical cable in a limiting mode, and meanwhile, the connecting rod 3333 in the locking state drives the sleeving component 333 to be at the rightmost side (the separation state between the rightmost sleeving component 333 and the power unit 341, and the power unit 341 cannot be started).

Referring to fig. 5, fig. 7, fig. 8, and fig. 10, in order to guarantee that the optical cable triggers the corrective movement of the corrective pay-off unit 34 in the pulling process, the application triggers the power unit 341 through the cooperation between the sleeving component 333 and the piston mechanism 334, specifically, the sleeving component 333 includes a sleeve 3331, a mounting plate 3332, a connecting rod 3333, a conductive member 3334 and a return spring 3335, the sleeve 3331 is mounted in the middle of the mounting plate 3332, the mounting plate 3332 is arranged in the housing 31 in a left-right sliding manner, the connecting rods 3333 are symmetrically mounted at the upper end and the lower end of the mounting plate 3332, the conductive member 3334 is mounted at the left end of the connecting rod 3333, the connecting rod 3333 positioned above is provided with a locking groove, the locking groove corresponds to the position between the rigid locking member 3312, and the return spring 3335 is connected between the housing 31 and the mounting plate 3332.

The piston mechanism 334 comprises a piston cylinder 3341, a piston rod 3342, a pressing block 3343, a sliding block 3344 and an air inflation bag 3345, wherein the piston cylinder 3341 is arranged below the sleeve 3331, the piston rod 3342 is arranged in the piston cylinder 3341 in a sliding manner, the pressing block 3343 is arranged at the bottom of the piston rod 3342, a return spring is connected between the pressing block 3343 and the piston cylinder 3341, the pressing block 3343 is in pressing fit with the front inclined surface of the sliding block 3344, the sliding block 3344 is arranged on the mounting plate 3332 in a sliding manner, the rear inclined surface of the sliding block 3344 is in pressing fit with the lower end of the pressing rod 3314, the operating rod 3311 drives the pressing rod 3314 to contact and press the rear end of the sliding block 3344, the sliding block 3344 moves forwards to press the sliding block 3343, the air inflation bag 3342 synchronously descends, the air in the air inflation bag 3345 is sucked back into the piston cylinder 3341, the air inflation bag 3345 is arranged on the inner wall of the sleeve 3331, the air inflation bag 3345 is communicated with the piston mechanism 334, the lifting control of the pressing block 3342 is in the condition of the air inflation bag 3345, and when the sliding block 3344 is arranged on the mounting plate 3332, the air inflation bag 3345 slides through the inner wall, and the air inflation bag 3345 can still move along the air inflation bag 45, and can move along the air inflation bag 3345, and can still move along the air inflation sleeve, and can move along the air inflation sleeve.

Before the optical cable is actually pulled, the ascending operating rod 3311 drives the extruding rod 3314 to ascend, the extruding block 3343 and the piston rod 3342 are integrally ascended under the action of the reset spring, the ascending piston rod 3342 extrudes the gas in the piston cylinder 3341 to the inflatable air bag 3345 to enable the inflatable air bag 3345 to be in an overflow state, at the moment, the contact resistance between the inflatable air bag 3345 and the passing optical cable is increased, the inflatable air bag 3345 can be driven to move when the optical cable is pulled, the sleeve 3331, the mounting plate 3332, the connecting rod 3333 and the conducting piece 3334 are synchronously moved, and the conducting piece 3334 moving leftwards is contacted with the power unit 341, so that the power unit 341 is started after being electrified.

Referring to fig. 2 and 10, the power unit 341 includes a motor 3411, an incomplete gear 3412, an insulating housing 3413, a power source 3414 and a switch member 3415, where the motor 3411 is installed in the correction cavity 311 through a motor base, the incomplete gear 3412 is installed on an output shaft of the motor 3411, racks are symmetrically disposed in front and back of the interior of the square frame 342, the racks mesh with the incomplete gear 3412, the insulating housing 3413 is installed in the correction cavity 311, the power source 3414 and the switch member 3415 are disposed in the interior of the insulating housing 3413, the power source 3414 and the switch member 3415 are electrically connected with the motor 3411, the switch member 3415 corresponds to a position of the conductive member 3334, and the conductive member 3334 in an initial position is not in contact with the switch member 3415.

In the optical cable pulling process, when the sleeve 3331, the mounting plate 3332, the connecting rod 3333 and the conductive piece 3334 move along with the optical cable, the conductive piece 3334 is contacted with the switch piece 3415 to form a current path, at this time, the motor 3411 operates to drive the incomplete gear 3412 to rotate, the incomplete gear 3412 and the rack cooperate to drive the square frame 342 to reciprocate left and right, the square frame 342 moves left and right to squeeze the squeeze member 343 to swing left and right, then the squeeze member 344 is subject to lifting motion under the squeeze of the squeeze member 343 in a swinging state, and then both ends of the correction module 345 are squeezed, so that the left end and the right end of the correction module 345 swing up and down, and at this time, the optical cable passing through is subjected to correction treatment under the squeeze of the correction module 345.

Referring to fig. 2 and 10, the extrusion member 343 is provided with an extrusion groove, the middle of the extrusion groove is a horizontal plane structure, two ends of the extrusion groove are slope structures, the slope of the slope structures gradually rises from inside to outside, and the extrusion member 343 is in extrusion fit with the square frame 342.

The square frame 342 is driven by the incomplete gear 3412 to do horizontal reciprocating motion, and the square frame 342 intermittently presses the slope surfaces at two ends of the pressing member 343 during the motion process, so that the pressing member 343 rotates along the rotating shaft by an angle.

Referring to fig. 2, 10 and 11, the correction module 345 includes a correction block 3451, a connection block 3452, an air nozzle 3453 and a rubber pad 3454, the correction block 3451 is provided with the connection block 3452, the connection block 3452 is connected with the housing 31 through a pin shaft, the section of the correction block 3451 is arc-shaped, a semicircular groove is formed in the arc surface of the correction block 3451, the rubber pad 3454 is arranged in the semicircular groove, an air passage is formed in the correction block 3451, one end of the air nozzle 3453 is connected in the air passage in the correction block 3451, the other end of the air nozzle 3453 is connected with an air pump, and the air pump is arranged outside the housing 31.

In the actual correcting process of the optical cable, the correcting block 3451 swinging left and right carries out protective correction on the outer surface of the optical cable through the semicircular groove and the rubber pad 3454, and meanwhile, in the correcting process, the air output by the air pump carries out air blowing type cleaning on the surface of the optical cable through the air channel.

Referring to fig. 2 and 10, a rigid roller 3441 is rotatably disposed at an end of the pressure receiving rod 344, and the rigid roller 3441 is in contact with the correction block 3451.

The pressing piece 343 presses the pressure receiving rod 344 when rotating in angle, and the pressure receiving rod 344 drives the correction block 3451 to move.

The implementation principle of the embodiment is as follows:

(1): the present application is moved to the working position by moving the base 1;

(2): the free end of the optical cable is pulled out and sequentially passes through the tensioning unit 32, the braking unit 33 and the correcting paying-off unit 34, and the optical cable is elastically expanded and stored through the tensioning unit 32 in the passing process;

(3): in the optical cable paying-off process, the pulled optical cable drives the sleeving component 333 to move under the action of resistance, the synchronously moving conductive piece 3334 is contacted with the switch piece 3415 to form a current path, at the moment, the motor 3411 drives the incomplete gear 3412 to rotate, and the left end and the right end of the correction block 3451 swing up and down under the cooperation of the incomplete gear 3412 and the rack and the extrusion of the extrusion piece 343, so that the optical cable passing through the correction block 3451 is subjected to correction treatment under the extrusion of the correction block 3451;

(4): after the paying-off is completed, the operating rod 3311 is pressed down, the rigid locking member 3312 and the clamping member 3313 which synchronously descend are respectively inserted into the locking groove and the square groove, the positions of the connecting rod 3333 and the brake roller 332 are locked, the locked brake roller 332 performs limit locking on the body position of the optical cable, meanwhile, the connecting rod 3333 in the locking state drives the sleeving component 333 to be at the rightmost side, and the power unit 341 is in the power-off state.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the invention, which is defined by the appended claims.

Claims

1. The utility model provides a cable pay-off for construction, includes moving base (1), spool frame (2) and paying-off mechanism (3), its characterized in that: a pay-off mechanism (3) and a coil rack (2) are sequentially arranged on the movable base (1) from left to right, wherein:

the paying-off mechanism (3) comprises a shell (31), a tensioning unit (32), a braking unit (33) and a correcting paying-off unit (34), wherein the shell (31) is arranged on the movable base (1), the shell (31) is divided into a correcting cavity (311), a braking cavity (312) and a tensioning cavity (313) from left to right in sequence, and the tensioning unit (32), the braking unit (33) and the correcting paying-off unit (34) are respectively arranged in the corresponding tensioning cavity (313), the corresponding braking cavity (312) and the corresponding correcting cavity (311);

the braking unit (33) comprises a control component (331), a braking roller (332), a sleeving component (333) and a piston mechanism (334), wherein the control component (331) is arranged in the shell (31) in a vertically sliding mode, the control component (331) is in temporary locking fit with the braking roller (332), the lower end of the braking roller (332) is rotatably arranged in the shell (31), the sleeving component (333) matched with the control component (331) is arranged in the shell (31) in a left-right sliding mode, the piston mechanism (334) is arranged at the lower end of the sleeving component (333), and the piston mechanism (334) is in extrusion fit with the control component (331);

the correction pay-off unit (34) comprises a power unit (341), a square frame (342), an extrusion part (343), a compression rod (344) and a correction module (345), wherein the power unit (341) is installed in the correction cavity (311), the square frame (342) matched with the power unit (341) is arranged in the correction cavity (311) in a sliding manner, the extrusion part (343) matched with the square frame (342) in an extrusion manner is rotationally arranged in the correction cavity (311), the compression rod (344) is matched between the extrusion part (343) and the correction module (345), the compression rod (344) is vertically arranged in the correction cavity (311) in a sliding manner, and the correction module (345) is rotationally arranged in the correction cavity (311).

2. The cable pay-off device for construction according to claim 1, wherein the tensioning unit (32) comprises a guide roller (321), a guide roller (322) and a tensioning assembly (323), wherein the guide roller (321), the tensioning assembly (323) and the guide roller (322) are sequentially arranged in the tensioning cavity (313) from left to right, and the tensioning assembly (323) is uniformly arranged on the inner walls of the front end and the rear end of the tensioning cavity (313).

3. The optical cable pay-off device for construction according to claim 2, wherein the tensioning assembly (323) comprises a tensioning spring (3231), a tensioning mounting frame (3232) and a tensioning adjusting roller (3233), one end of the tensioning spring (3231) is fixed on the inner wall of the tensioning cavity (313), the other end of the tensioning spring (3231) is connected with the tensioning mounting frame (3232), the tensioning mounting frame (3232) is rotatably provided with the tensioning adjusting roller (3233), the tensioning cavity (313) is provided with a limiting chute, and the tensioning mounting frame (3232) is slidably arranged in the limiting chute.

4. The cable pay-off device for construction according to claim 1, wherein the control assembly (331) comprises a control rod (3311), a rigid locking piece (3312), a clamping piece (3313) and a pressing rod (3314), the control rod (3311) is installed in the shell (31) in a vertically sliding mode, the rigid locking piece (3312) is symmetrically installed at the lower end of the control rod (3311), the clamping pieces (3313) located between the rigid locking pieces (3312) are installed on the control rod (3311), a square groove is formed in the top end of the brake roller (332), the position between the square groove and the clamping piece (3313) corresponds to the position of the square groove, and the pressing rod (3314) is installed at the rear end of the control rod (3311).

5. The cable pay-off for construction according to claim 4, wherein the sleeving component (333) comprises a sleeve (3331), a mounting plate (3332), a connecting rod (3333), a conductive member (3334) and a return spring (3335), the sleeve (3331) is mounted at the middle part of the mounting plate (3332), the mounting plate (3332) is arranged in the shell (31) in a left-right sliding mode, the connecting rod (3333) is symmetrically mounted at the upper end and the lower end of the mounting plate (3332), the conductive member (3334) is mounted at the left end of the connecting rod (3333), a locking groove is formed in the connecting rod (3333) above, the locking groove corresponds to the position between the rigid locking member (3312), and the return spring (3335) is connected between the shell (31) and the mounting plate (3332).

6. The construction cable pay-off device according to claim 5, wherein the piston mechanism (334) comprises a piston cylinder (3341), a piston rod (3342), a pressing block (3343), a sliding block (3344) and an inflatable airbag (3345), the piston cylinder (3341) is installed below the sleeve (3331), the piston rod (3342) is slidably arranged in the piston cylinder (3341), the pressing block (3343) is installed at the bottom of the piston rod (3342), a return spring is connected between the pressing block (3343) and the piston cylinder (3341), the pressing block (3343) is in pressing fit with a front end inclined surface of the sliding block (3344), the sliding block (3344) is slidably arranged on the mounting plate (3332), the rear end inclined surface of the sliding block (3344) is in pressing fit with the lower end of the pressing rod (3314), the inflatable airbag (3345) is installed on the inner wall of the sleeve (3331), and the inflatable airbag (3345) is communicated with the piston mechanism (334).

7. The optical cable pay-off device for construction according to claim 5, wherein the power unit (341) comprises a motor (3411), an incomplete gear (3412), an insulating shell (3413), a power supply (3414) and a switch piece (3415), the motor (3411) is installed in the correction cavity (311) through a motor seat, the incomplete gear (3412) is installed on an output shaft of the motor (3411), racks are symmetrically arranged on the inner part of the square frame (342) and meshed with the incomplete gear (3412), the insulating shell (3413) is installed in the correction cavity (311), a power supply (3414) and a switch piece (3415) are arranged in the inner part of the insulating shell (3413), the power supply (3414) and the switch piece (3415) are electrically connected with the motor (3411), the switch piece (3415) corresponds to a position of a conducting piece (3334), and the conducting piece (3334) at an initial position is not contacted with the switch piece (3415).

8. The cable pay-off device for construction according to claim 1, wherein the extrusion part (343) is provided with an extrusion groove, the middle of the extrusion groove is of a horizontal plane structure, two ends of the extrusion groove are of slope structures, the slope of the slope structures gradually rises from inside to outside, and the extrusion part (343) is in extrusion fit with the return frame (342).

9. The optical cable pay-off device for construction according to claim 1, wherein the correction module (345) comprises a correction block (3451) and a connection block (3452), wherein the correction block (3453) and a rubber pad (3454) are arranged on the correction block (3451), the connection block (3452) is connected with the shell (31) through a pin shaft, the section of the correction block (3451) is arc-shaped, a semicircular groove is formed in the arc surface of the correction block (3451), the rubber pad (3454) is arranged in the semicircular groove, the inside of the correction block (3451) is provided with an air channel, one end of the air nozzle (3453) is connected in the air channel in the correction block (3451), the other end of the air nozzle (3453) is connected with an air pump, and the air pump is arranged on the outer side of the shell (31).

10. The cable pay-off device for construction according to claim 9, wherein the end of the pressure receiving rod (344) is rotatably provided with a rigid roller (3441), and the rigid roller (3441) is in contact fit with the correction block (3451).