CN208861040U

CN208861040U - Pressure zone slack adjuster and optical cable laying auxiliary machine

Info

Publication number: CN208861040U
Application number: CN201821594561.9U
Authority: CN
Inventors: 邱容生
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-09-28
Filing date: 2018-09-28
Publication date: 2019-05-14
Anticipated expiration: 2028-09-28

Abstract

A kind of pressure zone slack adjuster and optical cable laying auxiliary machine include: carrier, pre-tighten component and adjust component；Pre-tightening component includes push rod and tensioning spring, and adjusting component includes turnover bracket, control shaft and back-moving spring.Above-mentioned pressure zone slack adjuster and optical cable laying auxiliary machine pass through setting carrier, it pre-tightens component and adjusts component, it pre-tightens component and adjusts component and be separately positioned on carrier, component is pre-tightened to be used to provide tensioning wheel one thrust far from traction wheel, and adjust the pulling force of its close traction wheel when component then applies one to tensioning wheel, component is adjusted in adjusting of the relative position realization to the spacing between the traction wheel and tensioning wheel in optical cable laying auxiliary machine in carrier by changing, optical cable laying auxiliary machine is enabled to carry out draw operations to a variety of various sizes of optical cables, improve the scope of application of optical cable laying auxiliary machine.

Description

Pressure zone slack adjuster and optical cable laying auxiliary machine

Technical field

The utility model relates to optical cable laying technical fields, more particularly to a kind of pressure zone slack adjuster and optical cable cloth Put auxiliary machine.

Background technique

Optical cable is mainly to be made of optical fiber (glass fiber of thin such as hair) and plastic protective sleeve pipe and plastic peel, light Without the metals such as gold, silver, copper aluminium, general non-recovery value in cable.Optical cable is that a certain number of optical fiber are formed according to certain way The cable heart is surrounded by sheath, some also cladding outer jackets, to realize a kind of communication line of optical signal transmission outside.Laying optical cable When, it needs that optical cable is threaded through in two adjacent optical cable wells by manpower, is connected between two adjacent optical cable wells by pipeline It connects, since distance is longer between two adjacent optical cable wells, causes to need to provide biggish pulling force when optical cable is arranged, could incite somebody to action Optical cable is drawn in next optical cable well from an optical cable well.And efficiency is lower in such a way that manpower is pulled strings, and is not able to satisfy work Cheng Jindu demand, therefore, it is necessary to replace manpower to carry out optical cable draw operations using optical cable laying auxiliary machine.

However, due to different work requirements, the size of optical cable be it is various, just using optical cable laying auxiliary machine When drawing to optical cable, if the size difference of optical cable is larger, optical cable laying auxiliary machine is unable to satisfy the small optical cable of size Traction requirements, which limit the scope of applications of optical cable laying auxiliary machine.Therefore, how this is solved the problems, such as, so that optical cable cloth Draw operations can be carried out to a variety of various sizes of optical cables by putting auxiliary machine, be those skilled in the art's problem to be solved.

Utility model content

The purpose of the utility model is to overcome shortcomings in the prior art, provide a kind of pressure zone slack adjuster, The structure for optimizing optical cable laying auxiliary machine enables optical cable laying auxiliary machine to be suitable for various various sizes of optical cables, improves The practicability of optical cable laying auxiliary machine.

The purpose of this utility model is achieved through the following technical solutions:

A kind of pressure zone slack adjuster includes: carrier, pre-tightens component and adjust component；

The preload component includes push rod and tensioning spring, and the push rod is set in tensioning wheel group, the tensioning spring First end supported with the push rod, the second end of the tensioning spring is supported with the carrier, and the tensioning spring is used for Push tensioning wheel group mobile to the direction far from traction wheel group；

The adjusting component includes turnover bracket, control shaft and back-moving spring, and the turnover bracket is set to the carrying In frame, the turnover bracket includes fixed part, preload portion and rotation section, and the fixed part and the rotation section are located at described The both ends in preload portion, the fixed part are articulated on the carrier, and the first end of the back-moving spring and the preload portion connect It connects, the second end of the back-moving spring is connect with tensioning wheel group, and the back-moving spring is for making tensioning wheel group to close to traction wheel The direction of group is mobile, and the control shaft is set on the carrier, and the control shaft with the rotation section for abutting.

The push rod includes guiding axis, baffle ring and impeller-hub in one of the embodiments, and the guiding axis is installed on institute It states in baffle ring first end, the impeller-hub is installed in the second end of the baffle ring, and the impeller-hub wears the carrier, and The impeller-hub is installed in tensioning wheel group, and the tensioning spring is sheathed on the guiding axis, and the first of the tensioning spring End is supported with the baffle ring.

The adjusting component further includes pin, fixing axle in one of the embodiments, and the fixing axle is installed on described hold On carrier, the pin is set in the fixing axle, and hinge hole is offered on the fixed part, and the pin wears described hinged Hole.

The adjusting component further includes pull rod in one of the embodiments, and the pull rod is installed in the preload portion, The first end of the back-moving spring is installed on the pull rod.

The adjusting component further includes compressing guide rod in one of the embodiments, and the compression guide rod wears institute Carrier is stated, the second end of the back-moving spring is installed in the first end for compressing guide rod, the compression guide rod Second end is connect with tensioning wheel group.

The adjusting component further includes limit sleeve in one of the embodiments, and the compression guide rod wears the limit Position set, the first end of the limit sleeve are abutted with the carrier, and the second of the limit sleeve with tensioning wheel group for abutting.

The control shaft includes grip axis, transmission shaft and connecting shaft, the connecting shaft and institute in one of the embodiments, The both ends that grip axis is located at the transmission shaft are stated, the connecting shaft is set on the carrier, and the transmission shaft is used for It is abutted with the rotation section.

In one of the embodiments, the diameter of the connecting shaft be less than the transmission shaft diameter, the connecting shaft with The junction of the transmission shaft is provided with tensioning adjusting face, the extending direction in the tensioning adjusting face and the center of the transmission shaft Axis is in 85 ° of angles.

The adjusting component further includes adjusting block in one of the embodiments, and the adjusting block is installed on the rotation In portion, adjustment hole is offered on the adjusting block, the connecting shaft wears the adjustment hole, tensioning adjusting face and the adjusting block It abuts.

A kind of optical cable laying auxiliary machine, including pressure zone slack adjuster described in above-mentioned any one, further includes: carrying Frame, telescopic positioning mechanism, transmission device, traction wheel group and tensioning wheel group；

The telescopic positioning mechanism, the transmission device and the pressure zone slack adjuster are mounted on the carrying On frame, the traction wheel group and the tensioning wheel group are set on the transmission device, and the transmission device is described for driving Traction wheel group and tensioning wheel group rotation, the pressure zone slack adjuster is for adjusting the traction wheel group and the tensioning The spacing of wheel group.

Compared with prior art, the utility model at least has the following advantages:

Above-mentioned pressure zone slack adjuster is by setting carrier, preload component and adjusts component, pre-tightens component and adjusting Component is separately positioned on carrier, is pre-tightened component and is used for one thrust far from traction wheel of tensioning wheel offer, and adjusting group The pulling force of its close traction wheel when part then applies one to tensioning wheel, by changing the relative position for adjusting component in carrier And then adjusting of the realization to the spacing between the traction wheel and tensioning wheel in optical cable laying auxiliary machine, so that optical cable laying auxiliary machine Draw operations can be carried out to a variety of various sizes of optical cables, improve the scope of application of optical cable laying auxiliary machine.

Detailed description of the invention

It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.

Fig. 1 is the structural schematic diagram of the telescopic positioning mechanism in an embodiment of the present invention；

Fig. 2 is the structural schematic diagram of the transmission device in an embodiment of the present invention；

Fig. 3 is the structural schematic diagram of the transmission component on the transmission device in Fig. 2；

Fig. 4 is the structural schematic diagram of the transmission component on the linkage in Fig. 2；

Fig. 5 is the structural schematic diagram of the pressure zone slack adjuster in an embodiment of the present invention；

Fig. 6 is the structural schematic diagram of the optical cable laying auxiliary machine in an embodiment of the present invention.

Specific embodiment

The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model, It states.The better embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms It realizes, however it is not limited to embodiments described herein.On the contrary, the purpose of providing these embodiments is that making practical new to this The disclosure of type understands more thorough and comprehensive.

It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ", " right side " and similar statement for illustrative purposes only, are not meant to be the only embodiment.

Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein packet Include any and all combinations of one or more related listed items.

It please participate in readding Fig. 6, a kind of optical cable laying auxiliary machine 10 includes rack 100, telescopic positioning mechanism 200, transmission dress Set 300, pressure zone slack adjuster 400, traction wheel group 500 and tensioning wheel group 600；

It please participate in readding Fig. 6, telescopic positioning mechanism 200, transmission device 300 and pressure zone slack adjuster 400 are respectively mounted In in rack 100, traction wheel group 500 and tensioning wheel group 600 are set on transmission device 300, and transmission device is for driving traction Wheel group 500 and tensioning wheel group 600 rotate, and pressure zone slack adjuster 400 is for adjusting traction wheel group 500 and tensioning wheel group 600 Spacing, telescopic positioning mechanism 200 prevents optical cable laying auxiliary for abutting with bottom plate, and then to the offer support force of rack 100 Machine 10 is helped to be subjected to displacement at work, so that the operation of optical cable laying auxiliary machine 10 is more steady, and can be to a variety of different sizes Optical cable carry out traction and lay operation, the scope of application of raising optical cable laying auxiliary machine and the efficiency for laying optical cable.

Please refer to Fig. 1 and Fig. 6, a kind of telescopic positioning mechanism 200 includes: connecting plate, accepting rack 210, guiding wheel model group 220 and support component 230；Connecting plate is installed in rack 100, and accepting rack 210 is hinged on connecting plate, and support component 230 is sliding Dynamic to be set on accepting rack 210, when optical cable laying auxiliary machine 10 is in shutdown status, support component 230 is contained in accepting rack 210 It is interior, when optical cable laying auxiliary machine 10 is in running order, support component 230 stretching is abutted with ground, and then to rack 100 into Row support, the guiding wheel model group 220 being arranged on accepting rack 210 guide optical cable to enter optical cable laying auxiliary machine 10 in an orderly manner, by This improves stationarity when optical cable laying auxiliary machine 10 works.

Referring to Fig. 1, accepting rack 210 includes the first connection strap 211, the second connection strap 212 and receiving frame 213, first connects Narrow bars 211 are articulated on connecting plate, and the second connection strap 212 is articulated on connecting plate, and receiving frame 213 is set to the first connection strap 211 and second between connection strap 212, and is provided with interval between the first connection strap 211 and receiving frame 213；It is oriented to wheel model group 220 are set on accepting rack 210, and are oriented to wheel model group 220 and are located between the first connection strap 211 and receiving frame 213.To optical cable into When row traction, optical cable initially passes through the first connection strap 211 and accommodates the interval between frame 213, and is bonded with guiding wheel model group 220, Guiding wheel model group 220 is tensioned optical cable, and positions to optical cable, and guidance optical cable enters traction wheel group 500, prevents light Cable occurs stuck when entering traction wheel group 500, further increase 10 traveling comfort of optical cable laying auxiliary machine.

In one embodiment, referring to Fig. 1, being oriented to wheel model group to improve guiding wheel model group 220 to the guide effect of optical cable 220 include shaft 221, the first fixed block 222, the second fixed block 223 and guide wheel 224, and the first fixed block 222 is installed on first On connection strap 211, the second fixed block 223 is installed on the second connection strap 212, and shaft 221 is set to 222 He of the first fixed block Between second fixed block 223, and shaft 221 wears guide wheel 224, and guide wheel 224 is located at the first connection strap 211 and receiving frame Between 213, guide wheel 224 is provided with the first anti-bias portion, the second anti-bias portion and arcuate guide portion, and the first anti-bias portion and second prevent Inclined portion is located at the both ends of arcuate guide portion, and for arcuate guide portion for abutting with optical cable, arcuate guide portion surface is provided with throwing Photosphere.In this way, the lateral wall of optical cable is bonded with the arcuate guide portion of guide wheel 224, the first of arcuate guide portion both ends is set It shifts when anti-bias portion and mobile second anti-bias portion's optical fiber cable placed.

Referring to Fig. 1, support component 230 includes telescopic strut 231 and the locating piece 232 for abutting with ground, stretch Strut 231 is placed in receiving frame 213, and locating piece 232 is installed on the one end of telescopic strut 231 far from receiving frame 213.It is flexible Strut 231 can be stretched out or be retracted out of receiving frame 213, to change the total length of telescopic positioning mechanism 200, setting exists Locating piece 232 on telescopic strut 231 with ground for abutting.

In the present embodiment, referring to Fig. 1, telescopic strut 231 includes outer strut 233 and internal overarm support 234, outer strut 233 is Hollow structure, internal overarm support 234 are placed in outer strut 233, and outer strut 233 is placed in receiving frame 213, and support component further includes Positioning pin, positioning pin are installed on the one end of outer strut 233 far from internal overarm support 234, accommodate frame 213 close to telescopic strut 231 One end offers limit hole, and for positioning pin for wearing limit hole, telescopic positioning mechanism 200 further includes the first auxiliary connecting rod and the Two auxiliary connecting rods, the first auxiliary connecting rod are installed on the first connection strap 211, and the first auxiliary connecting rod and connecting plate are hinged, and second Auxiliary connecting rod is installed on the second connection strap 212, and the second auxiliary connecting rod and connecting plate are hinged.First auxiliary connecting rod is far from receiving The side of frame 213 offers the first bit-avoiding slot, and the second auxiliary connecting rod offers the second bit-avoiding slot far from the side of receiving frame 213.

The working principle of telescopic positioning mechanism 200 is introduced below:

Referring to Fig. 1, the setting of optical cable laying auxiliary machine 10 is existed when needing to lay optical cable between two optical cable wells Near one of optical cable well, accepting rack 210 is overturn, so that accepting rack 210 is rotated around rack 100, until being arranged in accepting rack Guiding wheel model group 220 on 210 is located above optical cable well well head, pulls out the telescopic strut 231 being accommodated in receiving frame 213, makes The locating piece 232 that telescopic rod end is arranged in is abutted with ground, so that accepting rack 210 is suspended in above optical cable well well head, Optical cable is extracted out from optical cable well, and is arranged between traction wheel group 500 and tensioning wheel group 600 around guiding wheel model group 220, directive wheel Mould group 220 is between optical cable well well head and traction wheel group 500, in this way, traction wheel group 500 and the cooperation of tensioning wheel group 600 are to light Cable carries out traction when laying, and optical cable is pulled the pulling force that wheel group 500 and tensioning wheel group 600 generate and assists to close to optical cable laying The direction of machine 10 is mobile, and optical cable comes out from optical cable well well head, transfers at guiding wheel model group 220, into traction wheel group 500 and opens Between bearing up pulley group 600；Due to being oriented to the presence of wheel model group 220, so that optical cable enters optical cable laying auxiliary machine from optical cable well well head 10 often move along a straight line, but first mobile to guiding 220 direction of wheel model group, are that being oriented to wheel model group 220 goes out to turn to Optical cable laying auxiliary machine 10, the i.e. motion profile of optical cable are broken line, and turning point is oriented to 220 position of wheel model group, in this way Can make optical cable laying auxiliary machine 10 when pullling optical cable most resistance act on guiding wheel model group 220 on, through leading It is transmitted on accepting rack 210 and telescopic strut 231 to wheel model group 220, so shares generation when optical cable laying auxiliary machine 10 works Reaction force, optimize optical cable laying auxiliary machine 10 force-bearing situation, prevent reaction force from optical cable laying auxiliary machine 10 is existed It is subjected to displacement or leads to the problem of larger shaking when drawing optical cable, so that the work of optical cable laying auxiliary machine 10 is more steady, more Add safe and reliable.

It should be noted that optical cable comes out from optical cable well well head, and enter traction wheel group after Telescopic positioning device Between 500 and tensioning wheel group 600, traction wheel group 500 and tensioning wheel group 600 are driven by transmission device 300, tensioning wheel Group 600 presses optical cable in traction wheel group 500, and traction wheel group 500 and tensioning wheel group 600 rotate jointly, and drive optical cable well Interior optical cable is constantly mobile towards optical cable laying auxiliary machine 10, and realization lays operation to the traction of optical cable.

Above-mentioned telescopic positioning mechanism 200 passes through setting rack 100, accepting rack 210, guiding wheel model group 220 and support group Part 230, accepting rack 210 are hinged in rack 100, can adjust accepting rack 210 and rack 100 according to actual condition at work Relative angle, the support component 230 being arranged on accepting rack 210 is that rack 100 provides support force for abutting with ground, The ground grip ability of optical cable laying auxiliary machine 10 are improved, directive wheel is oriented to optical cable, so that optical cable laying auxiliary machine 10 The course of work is more steady, improves the security performance of optical cable laying auxiliary machine 10.

Please refer to figs. 2 and 3, and transmission device 300 includes: bottom plate 310, bearing assembly 320, transmission component 330 and linkage Component 340；Bearing assembly 320 is set on bottom plate 310, and traction wheel group 500 and tensioning wheel group 600 are set to bearing assembly 320 Interior, transmission component 330 and traction wheel group 500 are sequentially connected, and transmission component 330 is for driving traction wheel group 500 to rotate, linkage groups Part 340 and tensioning wheel group 600 are sequentially connected, linkage unit 340 for driving tensioning wheel group 600 to rotate, and transmission component 330 with It is connected between linkage unit 340 by sprocket wheel chain, the power on transmission component 330 is transmitted on linkage unit 340, makes to lead 600 synchronous rotary of running wheel group 500 and tensioning wheel group lays operation to carry out traction to optical cable.

Referring to Fig. 2, bearing assembly 320 includes lower support frame 321 and upper support frame 322, lower support frame 321 is installed on On bottom plate 310, upper support frame 322 is set on lower support frame 321；Upper support frame 322 and lower support frame 321 are mutually indepedent, root According to the installation site of the adjustable upper support frame 322 of the actual size of optical cable, in change support frame 322 and lower support frame 321 it Between spacing.

It should be noted that traction wheel group 500 includes multiple traction wheels, multiple traction wheels are arranged at intervals at lower support frame On 321, tensioning wheel group 600 includes multiple tensioning wheels, and multiple tensioning wheels are arranged at intervals in support frame 322, and tensioning wheel and The quantity of traction wheel is identical.

Please refer to figs. 2 and 3, and transmission component 330 includes power mould group 331, drive sprocket 332, universal driving shaft 333, linkage Sprocket wheel 334, the first driving chain 335 and multiple first driven sprockets 336, power mould group 331 are set on bottom plate 310, and first Driving chain 335 and power mould group 331 are sequentially connected, and universal driving shaft 333 wears lower support frame 321, drive sprocket 332 and linkage chain Wheel 334 is respectively arranged on the both ends of universal driving shaft 333, and the first driving chain 335 is sequentially connected with drive sprocket 332, Duo Ge One driven sprocket 336 is set in sequence in lower support frame 321 along the transmission direction of optical cable, and multiple first driven sprockets 336 are equal It is sequentially connected with the first driving chain 335, each first driven sprocket 336 is corresponding with optical cable laying auxiliary machine 10 Traction wheel connection；Power mould group 331, drive sprocket 332 and multiple first driven sprockets 336 in transmission component 330 are with When such power mould group 331 starts, it is mobile to will drive the first driving chain 335 for the connection of one driving chain 335, and passes with first The drive sprocket 332 and multiple first driven sprockets 336 that dynamic chain 335 is sequentially connected can be mobile with the first driving chain 335 And rotate, direction of rotation is identical as 335 moving direction of the first driving chain, and wherein drive sprocket 332 while rotating can 334 synchronous rotary of linkage sprocket wheel being installed together therewith is driven, the linkage sprocket wheel being sequentially connected with linkage unit 340 is passed through The driving force of power mould group 331 is passed to linkage unit 340 by 334, so that the tensioning wheel on linkage unit 340 is arranged in Operation, and because each correspondence of first driven sprocket 336 is connect with the traction wheel of an optical cable laying auxiliary machine 10, so that When first driven sprocket 336 rotates, multiple traction wheels in traction wheel group 500 are also rotated with, thus by power mould group Power transmission in 331 is into traction wheel group 500.

Further, please refer to figs. 2 and 3, in order to improve the transmission accuracy of the transmission component 330 in transmission device 300, Transmission device 300 further include transmission tension assembly 350, transmission tension assembly 350 include transmission tensioning wheel 351, adjusting rod 352 and Fixing seat 353, fixing seat 353 are installed on bottom plate 310, and adjusting rod 352 wears fixing seat 353, and transmission tensioning wheel 351 is arranged In on adjusting rod 352, and it is driven tensioning wheel 351 and is located between power mould group 331 and drive sprocket 332, transmission tensioning wheel 351 For abutting with the first driving chain 335, transmission tension assembly 350 further includes stop nut 354 and tensioning elastic component 355, limit Position nut 354 is set on the one end of adjusting rod 352 far from transmission tensioning wheel 351, and tensioning elastic component 355 is sheathed on adjusting rod On 352, and elastic component 355 is tensioned between stop nut 354 and fixing seat 353, tensioning elastic component 355 is for driving transmission Tensioning wheel 351 is to close to the movement of the direction of the first driving chain 335.

Referring to Fig. 4, linkage unit 340 includes the second driving chain 341 and multiple second driven sprockets 342, second is passed Dynamic chain 341 is sequentially connected with linkage sprocket wheel 334, and multiple second driven sprockets 342 are set in sequence in along the transmission direction of optical cable On upper support frame 322, and multiple second driven sprockets 342 with the second driving chain 341 be sequentially connected, each described second from The correspondence of movable sprocket 342 is connect with the tensioning wheel of an optical cable laying auxiliary machine 10.Multiple second driven sprockets 342 and transmission group Linkage sprocket wheel 334 in part 330 is sequentially connected with the second driving chain 341, in this way, will drive when linkage sprocket wheel 334 rotates Second driving chain 341 is mobile, so that multiple second driven sprockets 342 are rotated with the second driving chain 341, with Driving force in power mould group 331 is passed to tensioning wheel by linkage sprocket wheel 334, so that tensioning by the rotation for realizing tensioning wheel Wheel and traction wheel synchronous rotary, jointly draw optical cable, improve the efficiency of transmission of optical cable.

Further, for the available space saved on optical cable laying auxiliary machine 10, and transmission component 330 is preferably realized It works with the synchronous transfer of linkage unit 340, drive sprocket 332 is located in lower support frame 321, and linkage sprocket wheel 334 is located at lower branch Outside support frame 321.

Further, Fig. 2 and Fig. 4 is please referred to, in order to improve the transmission accuracy of the linkage unit 340 in transmission device 300, Transmission device 300 further includes auxiliary tension assembly 360, and auxiliary tension assembly 360 includes pre- bearing up pulley 361 and oscillating rod 362, is swung The first end of bar 362 is installed on support frame 322, and pre- bearing up pulley 361 is set in the second end of oscillating rod 362, pre- bearing up pulley 361 with the second driving chain for abutting, and oscillating rod 362 includes adjusting block, swing arm and holding block, and adjusting block and holding block divide It is not set on the both ends of swing arm, adjusting block is installed on support frame 322, and pre- bearing up pulley 361 is set on holding block, holding block Accommodation groove is offered on one end far from swing arm, pre- bearing up pulley 361 is rotatably dispose in accommodation groove.

In one embodiment, please refer to figs. 2 and 3, and power mould group 331 includes that engine, switching wheel and belt, engine are set It is placed on bottom plate 310, belt is connect with driving engine, and switching wheel is set on bottom plate 310, and belt and switching wheel transmission connect It connects, the first driving chain 335 and switching wheel transmission connection, switching wheel is for passing to the first driving chain for the power of engine 335, switching wheel includes that belt pulley, Coupling Shaft and switching sprocket wheel, Coupling Shaft are installed on bottom plate 310, belt pulley and switching sprocket wheel It is mounted in Coupling Shaft, is provided with interval between belt pulley and switching sprocket wheel, belt is connect with pulley drive, sprocket wheel of transferring It is sequentially connected with the first driving chain 335.

The above-mentioned transmission device 300 for optical cable laying auxiliary machine 10 passes through setting bottom plate 310, bearing assembly 320, biography Dynamic component 330 and linkage unit 340, transmission component 330 and linkage unit 340 are arranged on bearing assembly 320, transmission component 330 for driving the traction wheel of optical cable laying auxiliary machine 10 to rotate, and linkage unit 340 is for driving optical cable laying auxiliary machine 10 Tensioning wheel rotation, and be sequentially connected between transmission component 330 and linkage unit 340 by the connection type of sprocket wheel chain, so that Traction wheel and tensioning wheel can rotate synchronously, and make tensioning wheel and traction wheel that optical cable be driven to carry out draw operations jointly, improve optical cable Lay the efficiency of transmission of auxiliary machine 10.

600 synchronous rotary of traction wheel group 500 and tensioning wheel group is driven respectively by transmission device 300, so that traction wheel group 500 and tensioning wheel group 600 be provided with traction traction optical cable ability, in actual operation, according to different service conditions, optical cable Diameter when have a certain difference, in order to enable optical cable laying auxiliary machine 10 to be suitable for various various sizes of optical cables Lay operation it is necessary to change the spacing between traction wheel group 500 and tensioning wheel group 600, enable tensioning wheel and traction wheel Optical cable is clamped, to realize the draw operations to various sizes of optical cable, and in order to realize between traction wheel and tensioning wheel Away from adjustment, need to be arranged pressure zone slack adjuster 400.

Referring to Fig. 5, a kind of pressure zone slack adjuster 400 includes: carrier 410, pre-tightens component 420 and adjusting group Part 430；Carrier 410 is welded in rack 100, pre-tightens component 420 and adjusting component 430 is all set in carrying and adds, and is pre- Tight component 420 is used to provide thrust to tensioning wheel group 600, makes tensioning wheel group 600 far from traction wheel group 500；And adjust component 430 For providing pulling force to tensioning wheel group 600, make tensioning wheel group 600 close to traction wheel group 500；Pre-tighten the thrust that component 420 generates For the pulling force collective effect generated with adjusting component 430 in tensioning wheel group 600, the direction of the resultant force of thrust and pulling force is tensioning wheel The moving direction of group 600.

Referring to Fig. 5, pre-tightening component 420 includes push rod 421 and tensioning spring 422, push rod 421 is set to tensioning wheel group On 600, first end and the push rod 421 of tensioning spring are supported, and second end and the carrier 410 of tensioning spring support, tensioning spring For pushing tensioning wheel group 600 mobile to the direction far from traction wheel group 500；When being assembled, the compressed generation of tensioning spring Pretightning force, pretightning force act on push rod 421, act in tensioning wheel group 600 pretightning force by push rod 421, make tensioning wheel Group 600 is mobile to the direction far from traction wheel group 500.

Referring to Fig. 5, adjusting component 430 includes turnover bracket 431, control shaft 432 and back-moving spring 433, turnover bracket 431 are set in carrier 410, and turnover bracket 431 includes fixed part 431a, preload portion 431b and rotation section 431c, fixed part 431a and rotation section 431c is located at the both ends of preload portion 431b, and fixed part 431a is articulated on carrier 410, back-moving spring 433 first end is connect with preload portion 431b, and the second end of back-moving spring 433 is connect with tensioning wheel group 600, back-moving spring 433 For making tensioning wheel group 600 to close to the movement of the direction of traction wheel group 500, control shaft 432 is set on carrier 410, is controlled Axis 432 with rotation section 431c for abutting.The fixed part 431a of turnover bracket 431 is articulated on carrier 410, so that overturning Bracket 431 can allow to be rotated around carrier 410, and back-moving spring 433 is by the preload portion 431b and tensioning wheel group of turnover bracket 431 Turnover bracket 431 is fixed in carrier 410 in ground is angled by 600 connections by pulling force, and turnover bracket 431 Rotation section 431c abutted against with control shaft 432, in weave control axis 432, control shaft 432 with respect to turnover bracket 431 occur Rotation, when control shaft 432 and the abutted position of turnover bracket 431 change so that turnover bracket 431 with Control shaft 432 is swung, and when the swing of turnover bracket 431, the relative position between preload portion 431b and tensioning wheel can change Become, so that the length that back-moving spring 433 is stretched changes, the pulling force hair for promoting back-moving spring 433 to generate by deformation It is raw to change, and then the pulling force acted in tensioning wheel group 600 is made to change, when weave control axis 432, so that tensioning wheel group 600 with preload portion 431b spacing when becoming larger, and the pulling force of back-moving spring 433 acted in tensioning wheel group 600 becomes larger, when pulling force and When the resultant force of the gravity of tensioning wheel group 600 itself is greater than the thrust that preload component 420 applies tensioning wheel group 600, tensioning wheel group 600 close to traction wheel group 500, so that the spacing of tensioning wheel group 600 and traction wheel group 500 becomes smaller, conversely, if acting on tensioning wheel The resultant force of pulling force and tensioning wheel group 600 itself self gravity in group 600, which is less than, to be pre-tightened component 420 and acts on tensioning wheel group 600 On thrust when, tensioning wheel group 600 is mobile away from the direction of traction wheel.

In one embodiment, referring to Fig. 5, push rod 421 includes guiding axis, baffle ring and impeller-hub, guiding axis is installed on baffle ring In first end, impeller-hub is installed in the second end of baffle ring, and impeller-hub wears carrier 410, and impeller-hub is installed on tensioning wheel In group 600, tensioning spring is sheathed on guiding axis, and first end and the baffle ring of tensioning spring support.

In one embodiment, referring to Fig. 5, adjusting component 430 further includes pin, fixing axle, fixing axle is installed on carrier 410 On, pin is set in fixing axle, and hinge hole is offered on fixed part 431a, and pin wears hinge hole.

In one embodiment, referring to Fig. 5, adjusting component 430 further includes pull rod 434, pull rod 434 is installed on preload portion 431b On, the first end of back-moving spring 433 is installed on pull rod 434.

In one embodiment, referring to Fig. 5, adjusting component 430 further includes compressing guide rod 435, compresses guide rod 435 and wear Carrier 410, the second end of back-moving spring 433 are installed in the first end for compressing guide rod 435, compress the of guide rod 435 Two ends are connect with tensioning wheel group 600.

In one embodiment, referring to Fig. 5, adjusting component 430 further includes limit sleeve 436, compresses guide rod 435 and wear limit Position set 436, the first end of limit sleeve 436 is abutted with carrier 410, and the second of limit sleeve 436 with tensioning wheel group 600 for supporting It connects.

In one embodiment, referring to Fig. 5, control shaft 432 includes grip axis, transmission shaft and connecting shaft, connecting shaft and grip Axis is located at the both ends of transmission shaft, and connecting shaft is set on carrier 410, and transmission shaft with rotation section 431c for abutting, even The diameter of spindle is less than the diameter of transmission shaft, and the junction of connecting shaft and transmission shaft is provided with tensioning adjusting face, is tensioned adjusting face Extending direction and the central axis of transmission shaft be in 85 ° of angles, adjusting component 430 further includes adjusting block, and adjusting block, which is installed on, to be turned On dynamic portion 431c, adjustment hole is offered on adjusting block, connecting shaft wears adjustment hole, and tensioning adjusting face is abutted with adjusting block.

The above-mentioned pressure zone slack adjuster 400 for optical cable laying auxiliary machine 10 passes through setting carrier 410, preload group Part 420 and adjusting component 430, pre-tighten component 420 and adjusting component 430 is separately positioned on carrier 410, pre-tighten component 420 For providing the thrust far from traction wheel to tensioning wheel, and adjust when component 430 then applies one to tensioning wheel that its is close The pulling force of traction wheel adjusts relative position realization of the component 430 in carrier 410 to optical cable laying auxiliary by changing The adjusting of the spacing between traction wheel and tensioning wheel in machine 10 enables optical cable laying auxiliary machine 10 to a variety of different sizes Optical cable carry out draw operations, improve optical cable laying auxiliary machine 10 the scope of application.

Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed, But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.

Claims

1. a kind of pressure zone slack adjuster, for adjusting between the traction wheel group in optical cable laying auxiliary machine and tensioning wheel group Interval characterized by comprising

Carrier,

Component is pre-tightened, the preload component includes push rod and tensioning spring, and the push rod is set in tensioning wheel group, the tensioning The first end of spring is supported with the push rod, and the second end of the tensioning spring is supported with the carrier, the tensioning spring For pushing tensioning wheel group mobile to the direction far from traction wheel group；

Component is adjusted, the adjusting component includes turnover bracket, control shaft and back-moving spring, and the turnover bracket is set to described In carrier, the turnover bracket includes fixed part, preload portion and rotation section, and the fixed part and the rotation section are located at The both ends in the preload portion, the fixed part are articulated on the carrier, the first end of the back-moving spring and the preload Portion's connection, the second end of the back-moving spring are connect with tensioning wheel group, and the back-moving spring is for leading tensioning wheel group to close The direction of running wheel group is mobile, and the control shaft is set on the carrier, and the control shaft with the rotation section for abutting.

2. pressure zone slack adjuster according to claim 1, which is characterized in that the push rod includes guiding axis, baffle ring And impeller-hub, the guiding axis are installed in the baffle ring first end, the impeller-hub is installed in the second end of the baffle ring, The impeller-hub wears the carrier, and the impeller-hub is installed in tensioning wheel group, and the tensioning spring is sheathed on described On guiding axis, the first end of the tensioning spring is supported with the baffle ring.

3. pressure zone slack adjuster according to claim 1, which is characterized in that the adjusting component further includes pin, consolidates Dead axle, the fixing axle are installed on the carrier, and the pin is set in the fixing axle, are offered on the fixed part Hinge hole, the pin wear the hinge hole.

4. pressure zone slack adjuster according to claim 1, which is characterized in that the adjusting component further includes pull rod, The pull rod is installed in the preload portion, and the first end of the back-moving spring is installed on the pull rod.

5. pressure zone slack adjuster according to claim 4, which is characterized in that the adjusting component further includes compressing to lead To bar, the compression guide rod wears the carrier, and the second end of the back-moving spring is installed on the compression guide rod In first end, the second end for compressing guide rod is connect with tensioning wheel group.

6. pressure zone slack adjuster according to claim 5, which is characterized in that the adjusting component further includes limit Set, the compression guide rod wear the limit sleeve, and the first end of the limit sleeve is abutted with the carrier, the limit sleeve Second for being abutted with tensioning wheel group.

7. pressure zone slack adjuster according to claim 1, which is characterized in that the control shaft includes grip axis, passes Moving axis and connecting shaft, the connecting shaft and the grip axis are located at the both ends of the transmission shaft, and the connecting shaft is set to On the carrier, the transmission shaft with the rotation section for abutting.

8. pressure zone slack adjuster according to claim 7, which is characterized in that the diameter of the connecting shaft is less than described The junction of the diameter of transmission shaft, the connecting shaft and the transmission shaft is provided with tensioning adjusting face, the tensioning adjusting face The central axis of extending direction and the transmission shaft is in 85 ° of angles.

9. pressure zone slack adjuster according to claim 8, which is characterized in that the adjusting component further includes adjusting Block, the adjusting block are installed on the rotation section, and adjustment hole is offered on the adjusting block, and the connecting shaft wears the tune Knothole, tensioning adjusting face are abutted with the adjusting block.

10. a kind of optical cable laying auxiliary machine, which is characterized in that elastic including pressure zone described in any one of claim 1 to 9 Regulating device, further includes: carrier, telescopic positioning mechanism, transmission device, traction wheel group and tensioning wheel group；

The telescopic positioning mechanism, the transmission device and the pressure zone slack adjuster are mounted on the carrier On, the traction wheel group and the tensioning wheel group are set on the transmission device, and the transmission device is for driving described lead Running wheel group and tensioning wheel group rotation, the pressure zone slack adjuster is for adjusting the traction wheel group and the tensioning wheel The spacing of group.