CN209946499U

CN209946499U - Optical cable tractor

Info

Publication number: CN209946499U
Application number: CN201920402450.1U
Authority: CN
Inventors: 邱容生
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-27
Filing date: 2019-03-27
Publication date: 2020-01-14
Anticipated expiration: 2029-03-27

Abstract

An optical cable traction machine comprises a frame, a transmission mechanism, an optical cable traction mechanism and a spacing adjusting piece. The rack is sequentially provided with a plurality of clamping grooves, the transmission mechanism comprises a tractor and a reduction gearbox, the optical cable traction mechanism comprises a follow-up gear set, a connecting rod, a fixed traction module and a movable traction module, the fixed traction module is arranged on the rack, and two ends of the connecting rod are respectively connected with the fixed traction module and the movable traction module; the distance adjusting piece is hinged to the rack, is buckled in one of the clamping grooves and is connected with the movable traction module to drive the movable traction module to move relative to the fixed traction module, the optical cable traction mechanism is in contact with the optical cable, the optical cable traction mechanism is adaptive to the optical cables with different sizes by adjusting the distance adjusting piece, and the transmission mechanism provides traction power for the fixed part and the movable part of the optical cable traction mechanism simultaneously to improve the traction force output by the optical cable traction machine and improve the universality of the optical cable traction machine.

Description

Optical cable tractor

Technical Field

The utility model relates to a tractor especially relates to an optical cable tractor.

Background

When the optical cable is laid, the optical cable needs to be arranged in two adjacent optical cable wells in a penetrating mode through the traction machine, the two adjacent optical cable wells are connected through the pipeline, the distance between the two adjacent optical cable wells is long, so that large pulling force needs to be provided when the optical cable is arranged, the traction force applied to the optical cable by the traction machine needs to be large enough, and the traction operation can be effectively achieved. In different areas, due to weather or special reasons, the sizes of the optical cables are different, and in order to meet the traction requirements of the optical cables with different sizes, the traction machine needs to enable the clamping part in contact with the optical cables to be adjustable, but the clamping force of the clamping part on the optical cables is easy to be insufficient, the traction force output by the traction machine is reduced, and the traction efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the weak point among the prior art, providing an optical cable tractor, set up adjustable structure and pull the demand in order to deal with multiple not unidimensional optical cable, and improve the traction force of optical cable tractor output, improve the universality of optical cable tractor.

The purpose of the utility model is realized through the following technical scheme:

a cable pulling machine comprising: the device comprises a frame, a transmission mechanism, an optical cable traction mechanism and a spacing adjusting piece;

a plurality of clamping grooves are sequentially formed in the rack;

the transmission mechanism comprises a tractor and a reduction gearbox, the tractor and the reduction gearbox are both arranged in the rack and are in transmission connection, a main output shaft is arranged on the reduction gearbox, and the tractor is used for driving the main output shaft to rotate;

the optical cable traction mechanism comprises a follow-up gear set, a connecting rod, a fixed traction module and a movable traction module, wherein the fixed traction module is installed on the rack, two ends of the connecting rod are respectively connected with the fixed traction module and the movable traction module, the main output shaft is connected with the fixed traction module, the follow-up gear set is arranged on the main output shaft and is in transmission connection with the movable traction module, and the follow-up gear set is used for driving the movable traction module and the fixed traction module to synchronously operate;

the distance adjusting piece is hinged to the rack and is buckled in one of the clamping grooves, one end of the distance adjusting piece is connected with the movable traction module, and the distance adjusting piece is stirred to drive the movable traction module to move towards or away from the fixed traction module.

In one embodiment, the distance adjusting member includes a blocking rod, a transition sleeve and a linkage bracket, the blocking rod is hinged to the frame, the blocking rod is buckled in one of the clamping grooves, the transition sleeve is sleeved on the blocking rod, and the transition sleeve is connected with the movable traction module.

In one embodiment, a linkage bracket is arranged at one end of the transition sleeve close to the movable traction module, and the linkage bracket is used for being connected with the movable traction module.

In one embodiment, the follower gear set includes a driving gear and a driven gear, the driving gear is mounted on the main output shaft, the driven gear is disposed on the movable traction module, and the driven gear is engaged with the driving gear.

In one embodiment, the follower gear set further includes a gear protection cover, the main output shaft penetrates through the gear protection cover, and the gear protection cover is covered on the driving gear and the driven gear.

In one embodiment, the fixed traction module includes a first traction belt and a plurality of first pulleys, the plurality of first pulleys are disposed on the frame at intervals, the main output shaft is connected to one of the first pulleys, and the first traction belt is sequentially wound around the plurality of first pulleys.

In one embodiment, a first traction groove is arranged on the outer side wall of the first traction belt.

In one embodiment, the movable traction module comprises a movable frame, a second traction belt and a plurality of second pulleys, the second pulleys are arranged on the movable frame at intervals, the follower gear set is in transmission connection with one of the second pulleys, and the second traction belt is sequentially wound on the second pulleys.

In one embodiment, a second traction groove is arranged on the outer side wall of the second traction belt.

In one embodiment, the rack is provided with a cable incoming portion and a cable outgoing portion.

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

according to the optical cable traction machine, the rack, the transmission mechanism, the optical cable traction mechanism and the spacing adjusting piece are arranged, the optical cable traction mechanism is in contact with an optical cable, the optical cable traction mechanism is made to adapt to optical cables of different sizes by adjusting the spacing adjusting piece, and the transmission mechanism provides traction power for the fixed part and the movable part of the optical cable traction mechanism simultaneously, so that the traction force output by the optical cable traction machine is improved, and the universality of the optical cable traction machine is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of an optical cable pulling machine according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of the cable pulling machine of FIG. 1 from another perspective;

fig. 3 is a schematic structural view of an optical cable pulling mechanism according to an embodiment of the present invention;

FIG. 4 is a schematic view of a portion of the cable pulling mechanism shown in FIG. 3;

fig. 5 is a schematic structural diagram of a rack according to an embodiment of the present invention;

fig. 6 is a schematic structural view of the rack shown in fig. 5 from another view angle.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, a cable pulling machine 10 includes: the cable drawing device comprises a machine frame 100, a transmission mechanism 200, a cable drawing mechanism 300 and a spacing adjusting piece 400. The transmission mechanism 200, the optical cable traction mechanism 300 and the spacing adjusting piece 400 are all arranged on the rack 100, the transmission mechanism 200 is used for providing power for the optical cable traction mechanism 300, the optical cable traction mechanism 300 can perform traction operation on an optical cable, the optical cable traction mechanism 300 can be adjusted through the spacing adjusting piece 400 according to the actual size of the optical cable, the optical cable traction mechanism 300 can effectively clamp the optical cable and pull the optical cable, and the optical cable traction machine 10 can provide effective traction force when the optical cable traction machine pulls optical cables with different sizes and specifications, so that the universality of the optical cable traction machine 10 is improved.

Referring to fig. 1 and 2, a plurality of slots 110 are sequentially formed in a rack 100, the intervals between the slots 110 are equal, a transmission mechanism 200 includes a tractor 210 and a reduction gearbox 220, the tractor 210 and the reduction gearbox 220 are both disposed in the rack 100, and the tractor 210 and the reduction gearbox 220 are in transmission connection, in one embodiment, the tractor 210 and the reduction gearbox 220 are in transmission connection through a belt pulley, the reduction gearbox 220 is driven by a belt to operate when the tractor 210 operates, a main output shaft 221 is disposed on the reduction gearbox 220, the tractor 210 is used for driving the main output shaft 221 to rotate, that is, after the power of the tractor 210 is reversed and regulated through the reduction gearbox 220, the power is finally output by the main output shaft 221, and the traction power is transmitted to an optical cable traction mechanism through the main output shaft; the power transmission of longer distance is realized to the transmission mode that adopts the belt, avoids equipment too compact, has reduced the degree of difficulty of maintaining equipment.

Referring to fig. 3 and 4, the optical cable pulling mechanism 300 includes a follower gear set 310, a connecting rod 320, a fixed pulling module 330 and a movable pulling module 340, the fixed pulling module 330 is mounted on the rack 100, two ends of the connecting rod 320 are respectively connected with the fixed pulling module 330 and the movable pulling module 340, the main output shaft 221 is connected with the fixed pulling module 330, the follower gear set 310 is disposed on the main output shaft 221, the follower gear set 310 is in transmission connection with the movable pulling module 340, and the follower gear set 310 is used for driving the movable pulling module 340 and the fixed pulling module 330 to synchronously operate;

referring to fig. 3 and 4, a space is provided between the fixed traction module 330 and the movable traction module 340, the space between the fixed traction module 330 and the movable traction module 340 is a part for accommodating an optical cable, and the movable traction module 340 can move relative to the fixed traction module 330, and adjust the space between the movable traction module 340 and the fixed traction module 330 according to the actual size of the optical cable to be pulled, so that the optical cable is clamped between the fixed traction module 330 and the movable traction module 340;

referring to fig. 3 and 4, it should be noted that the conventional optical cable pulling machine also has a structure with an adjustable pulling portion, but the adjustable portion of the cable pulling machine is only used for clamping the optical cable on the fixed pulling portion thereof, the fixed pulling portion provides a pulling force to pull the optical cable, the adjustable portion does not have a pulling force, the utilization rate of the pulling force is not high, and a portion of the pulling force needs to be shared to overcome the friction between the optical cable and the movable pulling portion during the pulling of the optical cable, the energy utilization rate of the pulling machine of the structure is low, the main output shaft 221 of the optical cable pulling machine 10 of the present invention is a bridge connecting the transmission mechanism 200 and the optical cable pulling mechanism 300, the main output shaft 221 is directly connected with the fixed pulling module 330, and when the main output shaft 221 rotates, the fixed pulling module 330 is started to apply the pulling force to the optical cable by the fixed pulling module 330, and further drive the optical cable to move along the direction of its traction force, and the follower gear set 310 disposed on the main output shaft 221 transmits the power of the rotation of the main output shaft 221 to the movable traction module 340 in a gear transmission manner, so that the movable traction module 340 can apply traction force to the optical cable, and because the follower gear set 310 is in gear transmission, the rotation power on the main output shaft can be accurately transmitted to the movable traction module 340, so as to ensure the synchronous operation of the movable traction module 340 and the fixed traction module 330, and the fixed traction module 330 and the movable traction module 340 simultaneously apply traction force to the optical cable, because both the fixed traction module 330 and the movable traction module 340 can apply traction force to the optical cable, the traction force applied to the optical cable can be prevented from concentrating on one side of the optical cable, and the resistance hindering the optical cable traction machine 10 from pulling the optical cable can also be reduced, when the target traction force is achieved, the energy consumption is greatly reduced, and the energy utilization rate of the optical cable tractor is effectively improved.

Referring to fig. 1 and 3, the spacing adjusting member 400 is hinged to the frame 100, the spacing adjusting member 400 is fastened in one of the slots 110, one end of the spacing adjusting member 400 is connected to the movable traction module 340, and the spacing adjusting member 400 is toggled to drive the movable traction module 340 to move toward or away from the fixed traction module 330. The spacing adjusting member 400 can swing around the hinge point of the spacing adjusting member 400 and the frame 100, and the movable traction module 340 and the slot 110 are respectively located at two sides of the hinge point of the spacing adjusting member 400 and the frame 100, that is, when the movable traction module 340 swings, the movable traction module 340 connected with the spacing adjusting member 400 is displaced accordingly, even if the movable traction module 340 moves towards the direction close to or away from the fixed traction module 330, thereby achieving the purpose of adjusting the spacing between the movable traction module 340 and the fixed traction module 330.

Referring to fig. 1 and 3, it can be understood that, due to different use environments and use requirements, optical cables have different sizes, and in order to adjust the distance between the movable traction module 340 and the fixed traction module 330 to achieve traction of the optical cables having different sizes, a plurality of slots 110 are sequentially formed in the rack 100, the distance adjuster 400 is pushed to turn over the distance adjuster 400 around the hinge point between the distance adjuster 400 and the rack 100, so that the distance adjuster 400 is pushed to sequentially pass through the slots 110, when the distance adjuster 400 is pushed to turn into one of the slots 110, the movable traction module 340 is correspondingly moved to a position, and at this time, the distance between the movable traction module 340 and the fixed traction module 330 corresponds to the size of an optical cable having a specification, that is, each slot 110 corresponds to the traction distance of an optical cable having a specification.

Referring to fig. 1 and 6, in an embodiment, 4 card slots 110 are sequentially formed on the rack 100, four card slots 110 are sequentially arranged along a drawing direction of the optical cable, and include a first card slot 111, a second card slot 112, a third card slot 113 and a fourth card slot 114, in an initial state, the distance adjusting member 400 is fastened in the first card slot 111, at which time, a distance between the movable drawing module 340 and the fixed drawing module 330 is the largest, that is, the distance between the movable drawing module 340 and the fixed drawing module 330 is gradually reduced when the distance adjusting member 400 is turned over and sequentially falls into the second card slot 112, the third card slot 113 and the fourth card slot 114, and when fastened in the fourth card slot 114, a distance between the movable drawing module 340 and the fixed drawing module 330 is the smallest, that is, each of the slots 110 corresponds to an optical cable of one specification corresponding to the minimum size that the optical cable traction machine 10 can pull, which is convenient for a user to adjust, does not need too much operation experience, and reduces the difficulty in using the optical cable traction machine 10.

Referring to fig. 1 and 4, further, the distance adjusting member 400 includes a blocking rod 410, a transition sleeve 420 and a linkage bracket 430, the blocking rod 410 is hinged to the frame 100, the blocking rod 410 is buckled in one of the slots 110, the transition sleeve 420 is sleeved on the blocking rod 410, the transition sleeve 420 is connected to the movable traction module 340, the linkage bracket 430 is disposed at one end of the transition sleeve 420 close to the movable traction module 340, and the linkage bracket 430 is used for being connected to the movable traction module 340. The stop lever 410 can slide along the inner side wall of the transition sleeve 420, so that the blocking phenomenon when the stop lever 410 is turned over is avoided, the flexibility of the distance adjusting piece 400 is improved, and more labor is saved when the distance between the movable traction module 340 and the fixed traction module 330 is adjusted through the stop lever 410.

Referring to fig. 3 and 4, further, the follower gear set 310 includes a driving gear 311 and a driven gear 312, the driving gear 311 is mounted on the main output shaft 221, the driven gear 312 is disposed on the movable traction module 340, and the driven gear 312 is engaged with the driving gear 311. The driven gear 312 is in transmission connection with the movable traction module 340, the movable traction module 340 can be operated when the driven gear 312 rotates, the driven gear 312 and the driving gear 311 have the same number of teeth and the same modulus, so that the rotating speed of the driving gear 311 is equal to the rotating speed of the driven gear 312, even if the operating speed of the movable traction module 340 is equal to the operating speed of the fixed traction module 330, the fixed traction module 330 and the movable traction module 340 can synchronously operate, traction force is applied to the optical cable, the transmission precision is effectively improved due to the fact that power is transmitted through the gear, the synchronous rate of the movable traction module 340 and the fixed traction module 330 is ensured, and the traction effect on the optical cable is improved.

Referring to fig. 3 and 4, further, the precision of the gear transmission is very high, but the gear transmission is easily interfered by foreign objects, and if small parts fall between the meshing positions of the driving gear 311 and the driven gear 312, the gear is locked. The gear protection cover prevents external objects from entering the positions of the driving gear 311 and the driven gear 312, so that the locking is avoided, the normal operation of the equipment is ensured, and the operation stability of the optical cable tractor 10 is improved.

Referring to fig. 3 and 4, in an embodiment, the fixed traction module 330 includes a first traction belt 331 and a plurality of first belt pulleys 332, the plurality of first belt pulleys 332 are disposed on the frame 100 at intervals, the main output shaft 221 is connected to one of the first belt pulleys 332, the first traction belt 331 is sequentially wound on the plurality of first belt pulleys 332, a first traction groove 331a is disposed on an outer side wall of the first traction belt 331, the movable traction module 340 includes a movable frame 343, a second traction belt 341 and a plurality of second belt pulleys 342, the plurality of second belt pulleys 342 are disposed on the movable frame 343 at intervals, the follower gear set 310 is in transmission connection with one of the second belt pulleys 342, the second traction belt 341 is sequentially wound on the plurality of second belt pulleys 342, and a second traction groove 341a is disposed on an outer side wall of the second traction belt 341. When the optical cable is pulled, the optical cable is clamped in the gap between the fixed pulling module 330 and the movable pulling module 340, at this time, the outer side wall of the optical cable is respectively attached to the first pulling belt 331 and the second pulling belt 341, the frictional force between the outer side wall of the optical cable and the first pulling belt 331 and the second pulling belt 341 ensures that the pulling force on the fixed pulling module 330 and the movable pulling module 340 can effectively act on the optical cable, in order to achieve good pulling effect, the frictional force between the outer side wall of the optical cable and the first pulling belt 331 and the second pulling belt 341 needs to be ensured to be large enough to prevent slipping in the pulling process, therefore, the first pulling groove 331a is arranged on the outer side wall of the first pulling belt 331, the outer side wall of the optical cable is tightly attached to the groove wall of the first pulling groove 331a, and the contact area between the first pulling belt 331 and the optical cable is increased, because the area of contact between optical cable and the first traction belt 331 increases, frictional force between optical cable and the first traction belt 331 also increases, when guaranteeing that fixed traction module 330 pulls the optical cable, the phenomenon of skidding can not take place between optical cable and the first traction belt 331, and in a similar way, be provided with second traction groove 341a on the lateral wall of second traction belt 341, the lateral wall of optical cable is hugged closely with the cell wall of second traction groove 341a, the area of contact between second traction belt 341 optical cable has been increased, because the area of contact between optical cable and the second traction belt 341 increases, frictional force between optical cable and the second traction belt 341 also increases, when guaranteeing that activity traction module 340 pulls the optical cable, the phenomenon of skidding can not take place between optical cable and the second traction belt 341.

In one embodiment, rack 100 is provided with a cable entry portion 120 and a cable exit portion 130. The cable entry portion 120 and the cable exit portion 130 are provided with guide wheels, which guide the direction of the cable entering and exiting the cable tractor through the guide wheels on the cable entry portion 120 and the cable exit portion 130.

Referring to fig. 5 and 6, it can be understood that when pulling the optical cable, the optical cable tractor 10 needs to be moved to the vicinity of the optical cable well, and when the optical cable tractor 10 applies a pulling force to the optical cable, a reaction force opposite to the pulling force also acts on the optical cable tractor 10, and when the reaction force is greater than the friction force between the optical cable tractor 10 and the ground, the optical cable tractor 10 may displace, and at this time, the optical cable tractor 10 may not normally pull the optical cable, i.e. in order to ensure that the optical cable tractor 10 can smoothly pull the optical cable, the friction force between the rack 100 and the ground needs to be increased, so in an embodiment, the rack 100 further includes: a carriage 140, a support stand 150, and a displacement assembly 160. The displacement assembly 160 is disposed at the bottom of the carrier frame 140, so that the carrier frame 140 can move, the optical cable traction machine 10 can be moved without using a carrying tool, the support foot 150 is in contact with the ground during the optical cable traction operation, the grip of the carrier frame 140 is improved, the optical cable traction machine is prevented from being displaced during the optical cable traction operation, and the support foot 150 and the displacement assembly 160 are combined to enable the carrier frame 140 to freely switch between a movable state and an immovable state, so that the optical cable traction machine is more flexible.

Referring to fig. 5 and 6, the carrier 140 is provided with a receiving rail 141, and the receiving rail 141 is a hollow structure; the accommodating guide rail 141 is positioned at the bottom of the bearing frame 140, the supporting foot 150 can be partially accommodated in the accommodating guide rail 141, and one end of the supporting foot 150 exposed out of the accommodating guide rail 141 is arranged towards the ground, so that when the optical cable traction operation is performed, one end of the supporting foot 150 arranged towards the ground is contacted with the ground, a supporting force is provided for the bearing frame 140, and the friction force between the bearing frame 140 and the ground is improved, so that the optical cable traction machine 10 is prevented from generating horizontal displacement in the optical cable traction process; the increased grip of the carriage 140 by the support foot 150 increases the ability of the cable tractor 10 to resist reaction forces, and the upper limit of the traction force it applies to the cable.

Referring to fig. 5 and 6, since the receiving rail 141 is a hollow structure, the portion of the supporting foot 150 received in the receiving rail 141 can slide along the receiving rail 141, and the length of the supporting foot 150 exposed outside the receiving rail 141 can be adjusted according to the road surface condition on the spot, so as to find the best stress point, thereby improving the capability of the optical cable traction machine 10 in responding to a complex environment.

Referring to fig. 5 and 6, the displacement assembly 160 includes a fixed wheel 161, a tilting caster 162 and an adjusting screw 163, the fixed wheel 161 is installed at the bottom of the carriage 140, the tilting caster 162 is hinged on the carriage 140, the tilting caster 162 is located between the supporting foot 150 and the fixed wheel 161, the adjusting screw 163 is disposed on the carriage 140, and the adjusting screw 163 is used for supporting the tilting caster 162.

Referring to fig. 5 and 6, in the movable state, the adjusting screw 163 abuts against the tilt caster 162, so that the tilt caster 162 contacts with the ground, the tilt caster 162 and the fixed wheel 161 support the carrier 140, and the tilt caster 162 and the fixed wheel 161 serve as the fulcrum of the carrier 140, so that the carrier 140 is pushed to easily move the cable tractor to the vicinity of the cable well; when the optical cable needs to be pulled, the adjusting screw 163 is rotated to contract the adjusting screw 163, the tilt caster 162 tilts in a direction approaching the inside of the bearing frame 140 while the adjusting screw 163 contracts, at this time, one side of the bearing frame 140 provided with the tilt caster 162 is continuously close to the ground until the supporting foot frame 150 contacts with the ground, at this time, the supporting foot frame 150 and the fixed wheel 161 are used as the fulcrum of the bearing frame 140, the bearing frame 140 is switched to the immovable state, the supporting foot frame 150 is in a non-rolling structure, and can provide good supporting force for the bearing frame 140, so that the bearing frame 140 is prevented from laterally displacing in the process of pulling the optical cable.

Referring to fig. 5 and 6, in an embodiment, the accommodating rail 141 includes a reinforcing link 141a and an accommodating sleeve 141b, the reinforcing link 141a is mounted on the supporting frame 140, the accommodating sleeve 141b is disposed on the reinforcing link 141a, the supporting foot 150 is partially accommodated in the accommodating sleeve 141b, the supporting foot 150 includes a supporting claw 151 and a guiding rod 152, the guiding rod 152 is partially accommodated in the accommodating rail 141, the supporting claw 151 is mounted on one end of the guiding rod 152 exposed out of the accommodating rail 141, the supporting claw is disposed toward the ground, and an abrasion-resistant rubber pad is disposed on one end of the supporting claw 151 close to the ground, so as to optimize the structure of the supporting foot 150 and improve the service life of the supporting foot 150.

Referring to fig. 5 and 6, in particular, the caster 162 includes a roller 162a and a turning bracket 162b, the bottom of the carrier 140 is provided with a hinge base 142, the turning bracket 162b is hinged to the hinge base 142, the diameter of the roller 162a is equal to the diameter of the fixed wheel 161, the roller 162a is rotatably disposed on the turning bracket 162b, the adjusting screw 163 abuts against the turning bracket 162b, the turning bracket 162b is provided with a turning limiting portion 162c, and the turning limiting portion 162c is used for abutting against the carrier 140

Referring to fig. 5 and 6, in an embodiment, the adjusting screw 163 includes a screw 163a and a handwheel 163b, the screw 163a is disposed on the supporting frame 140, a first end of the screw 163a is used for abutting against the tilting caster 162, the handwheel 163b is mounted on a second end of the screw 163a, and the handwheel 163b is provided with a holding rod 163 c.

Referring to fig. 5 and 6, in order to move the cable traction machine, a handrail 170 is disposed on a side surface of the loading frame 140 close to the supporting foot 150, and the loading frame 140 is moved by dragging or pushing the handrail 170, so as to reduce a burden on a user when moving the loading frame 140.

the optical cable traction machine 210 is provided with the rack 100, the transmission mechanism 200, the optical cable traction mechanism 300 and the spacing adjusting piece 400, the optical cable traction mechanism 300 is in contact with the optical cable, the optical cable traction mechanism 300 is adapted to optical cables with different sizes by adjusting the spacing adjusting piece 400, and the transmission mechanism 200 provides traction power for the fixed part and the movable part of the optical cable traction mechanism 300 simultaneously, so that the traction force output by the optical cable traction machine 210 is improved, and the universality of the optical cable traction machine is improved.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A cable pulling machine, comprising:

the device comprises a rack, a plurality of clamping grooves are sequentially formed in the rack;

the optical cable traction mechanism comprises a follow-up gear set, a connecting rod, a fixed traction module and a movable traction module, wherein the fixed traction module is installed on the rack, two ends of the connecting rod are respectively connected with the fixed traction module and the movable traction module, the main output shaft is connected with the fixed traction module, the follow-up gear set is arranged on the main output shaft, the follow-up gear set is in transmission connection with the movable traction module, and the follow-up gear set is used for driving the movable traction module and the fixed traction module to synchronously operate;

the distance adjusting piece is hinged to the rack and is buckled in one of the clamping grooves, one end of the distance adjusting piece is connected with the movable traction module, and the distance adjusting piece is used for driving the movable traction module to move towards or away from the fixed traction module.

2. The optical cable pulling machine according to claim 1, wherein the spacing adjusting member comprises a blocking rod, a transition sleeve and a linkage bracket, the blocking rod is hinged to the frame, the blocking rod is buckled in one of the clamping grooves, the transition sleeve is sleeved on the blocking rod, and the transition sleeve is connected with the movable pulling module.

3. The cable pulling machine according to claim 2, wherein a linking bracket is provided at an end of the transition sleeve adjacent to the movable pulling module, the linking bracket being adapted to be connected to the movable pulling module.

4. The cable pulling machine according to claim 1, wherein the follower gear set includes a driving gear and a driven gear, the driving gear is mounted on the main output shaft, the driven gear is disposed on the movable pulling module, and the driven gear is engaged with the driving gear.

5. The cable tractor of claim 4, wherein the follower gear set further includes a gear protection cover, the main output shaft passes through the gear protection cover, and the gear protection cover is disposed on the driving gear and the driven gear.

6. The cable pulling machine according to claim 1, wherein the fixed pulling module comprises a first pulling belt and a plurality of first belt pulleys, the plurality of first belt pulleys are disposed on the frame at intervals, the main output shaft is connected to one of the first belt pulleys, and the first pulling belt is sequentially wound around the plurality of first belt pulleys.

7. The cable pulling machine according to claim 6, wherein a first pulling groove is provided on an outer sidewall of the first pulling strap.

8. The optical cable pulling machine according to claim 1, wherein the movable pulling module comprises a movable frame, a second pulling belt and a plurality of second pulleys, the plurality of second pulleys are arranged on the movable frame at intervals, the follower gear set is in transmission connection with one of the second pulleys, and the second pulling belt is sequentially wound on the plurality of second pulleys.

9. The cable pulling machine according to claim 8, wherein a second pulling groove is provided on an outer sidewall of the second pulling strap.

10. The cable pulling machine according to claim 1, wherein the frame is provided with a cable entry portion and a cable exit portion.