CN218102330U

CN218102330U - Large-scale cable tractor

Info

Publication number: CN218102330U
Application number: CN202222234861.9U
Authority: CN
Inventors: 马骥; 陈烨; 贾雪刚; 薛会锋
Original assignee: Zhengzhou Tianfu Intelligent Technology Co ltd
Current assignee: Zhengzhou Tianfu Intelligent Technology Co ltd
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2022-12-20
Anticipated expiration: 2032-08-24

Abstract

The application discloses a large-scale cable traction machine, which aims to solve the technical problem that when a large-scale cable is dragged in the prior art, the traction friction force of symmetrically distributed transmission parts on the cable is insufficient, so that the phenomena of cable slipping and malposition are easy to occur, and the traction efficiency of the cable is low; the device comprises a frame, a driving assembly and a traction mechanism, wherein the driving assembly and the traction mechanism are arranged on the frame; the driving assembly is in transmission fit connection with the traction mechanism; the traction mechanism includes: the first conveying assembly is arranged along the cable conveying direction; the second conveying assembly is obliquely arranged relative to the first conveying assembly; the jacking piece is arranged between the rack and the first conveying assembly and the second conveying assembly; according to the scheme, the traction friction area of the conveying assembly and the cable is increased, the cable traction efficiency is improved, and the risk that the cable is abraded due to slippage and dislocation is reduced.

Description

Large-scale cable tractor

Technical Field

The utility model relates to a communication, electric power construction technical field, concretely relates to large-scale cable tractor.

Background

In cable laying operations for electrical cables, optical cables and the like, in many cases, traction of the cables is involved, such as: many cables in cities are arranged in underground pipelines, the cables need to pass through the underground pipelines in the initial laying, and the cables often need to be pulled out of and penetrated into the underground pipelines in the later maintenance; in the construction process of a building, threading pipelines are pre-buried in a wall body and are used for penetrating lighting circuits, socket circuits, air conditioner circuits, weak current circuits and the like in the building when the building is decorated in the later period; in the assembly process of the large electromechanical equipment, threading pipelines can be laid inside the equipment, and various cables can be threaded into the threading pipelines. These previous procedures all involve the pulling of cables.

The inventor is aware of a so-called cable tractor (patent publication No. CN 211046262U), which discloses that a first conveying member and a first power source are mounted on a first support plate, a second conveying member and a second power source are mounted on a second support plate, and the first support plate and the second support plate are correspondingly mounted on a support frame so that the first conveying member and the second conveying member are opposed to each other for clamping a cable.

However, in the process of implementing the technical solution in the embodiment of the present application, the inventor of the present application finds that the above-mentioned technology has the following technical problems: in the process of rolling and laying large cables, due to the fact that the cross section and the weight of the cables are large, the transmission parts arranged in the symmetrical mode on two sides easily slip or slip and the phenomenon that the traction friction force is insufficient when the cables are clamped tightly, and the cables are easy to misplace and deviate when being pulled in the symmetrical transmission parts, so that poor cable transmission stability and low transmission efficiency are caused.

The information disclosed in this background section is only for enhancement of understanding of the background of the disclosure and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is already known to a person skilled in the art.

Disclosure of Invention

In view of at least one of the above technical problems, the present disclosure provides a large cable pulling machine, in which conveying members are relatively obliquely arranged, and a jacking member is connected with the conveying members to adjust a pulling gap formed between the conveying members.

According to one aspect of the disclosure, a traction apparatus is provided that includes a frame, a drive assembly mounted on the frame, and a traction mechanism; the driving assembly is in transmission fit connection with the traction mechanism; the traction mechanism includes:

the first conveying assembly is arranged along the cable conveying direction;

the second transmission assembly is obliquely arranged relative to the first transmission assembly so as to form three-surface clamping type extrusion contact on the cable to be transmitted;

the jacking piece is arranged between the rack and the first conveying assembly and the second conveying assembly; the jacking piece stretches and retracts to respectively drive the first conveying assembly and the second conveying assembly to move relatively on the frame so as to adjust a traction gap formed between the first conveying assembly and the second conveying assembly.

In some embodiments of the present disclosure, the first traction assembly and the second traction assembly respectively include a mounting frame, a transmission gear rotatably mounted on the mounting frame, and a transmission belt cooperatively connected with the transmission gear.

In some embodiments of the present disclosure, a belt tensioner is also provided on the mounting bracket.

In some embodiments of the present disclosure, a sliding rail/groove is provided on the frame, a pulley is provided on the mounting frame, and the pulley is connected to the sliding rail/groove in a matching manner, so that the jacking member stretches and retracts to drive the mounting base to move on the frame.

In some embodiments of the present disclosure, the jacking member is any one of a hydraulic cylinder or an electric push rod or a pneumatic cylinder.

In some embodiments of the present disclosure, the drive assembly includes a hydraulic motor and a speed reducer; the hydraulic motor is connected with the speed reducer in a transmission matching mode, and the power output end of the speed reducer is connected with the transmission gear in a transmission mode to drive the conveying belt to rotate.

In some embodiments of the present disclosure, the cable fixing device further comprises guide assemblies correspondingly installed at two ends of the rack along a cable traction direction, wherein each guide assembly comprises a side plate, a roller and a guide rod; the roller is installed along vertical direction on the curb plate, curb plate slidable mounting be in on the guide bar, the guide bar is installed in the frame.

In some embodiments of the present disclosure, the bottom of the side plate includes through holes symmetrically disposed at two sides and a threaded hole disposed in the middle, the guide rod includes a slide rod and a bidirectional screw rod, the slide rod is connected with the through holes in a matching manner, the bidirectional screw rod is connected with the threaded hole in a matching manner, and the bidirectional screw rod is rotated to enable rollers symmetrically disposed on the side plate at two sides to move along the slide rod in opposite directions or in opposite directions.

One or more technical solutions provided in the embodiments of the present application have at least any one of the following technical effects or advantages:

1. the first conveying assembly and the second conveying assembly are arranged in a relatively inclined mode, three conveying belts are enabled to form a star-shaped layout, the cables are in clamping type extrusion contact from three directions, the friction contact area of the cables and the traction assembly is increased, large cables are prevented from slipping or deviating, a hydraulic cylinder is arranged between a rack and the conveying assemblies, the conveying assemblies are driven to move on the rack through stretching of the hydraulic cylinder, cable traction gaps between the first conveying assembly and the second conveying assembly are adjusted, the technical problems that cables of the existing traction machine slip when the large cables are pulled, the friction force is insufficient, the cables are dislocated, and the deviation is caused are solved, and the traction efficiency of the cables is improved.

2. The guide assemblies are arranged at the two ends of the rack, the rollers arranged on the guide assemblies are adjusted to move in the opposite directions or in the opposite directions by rotating the bidirectional screw rod, and the guide gap between the rollers is changed so as to meet the guide requirements of cables with different wire diameters.

Drawings

Fig. 1 is a schematic perspective view of a large cable tractor according to an embodiment of the present application.

Fig. 2 is a schematic plan view of a large cable pulling machine according to an embodiment of the present disclosure.

Fig. 3 is a schematic plan view of a large cable pulling machine according to an embodiment of the present disclosure.

Fig. 4 is a schematic structural view of a belt tension adjuster in an embodiment of the present application.

Fig. 5 is a schematic cross-sectional view of a belt tension adjuster according to an embodiment of the present application.

In the above figures, 1, a frame; 11. a slide rail; 2. a drive assembly; 21. a hydraulic motor; 22. a speed reducer; 3. a traction mechanism; 31. a first transfer assembly; 32. a second transfer assembly; 33. a mounting frame; 34 a transmission gear; 35. a conveyor belt; 36. a hydraulic cylinder; 4. a guide assembly; 41. a side plate; 42. a roller; 43. a slide bar; 44. a bidirectional screw rod; 45. a hand wheel; 5. a belt tension adjuster; 51. supporting a lug; 52. carrying out top thread; 53. a spring shield; 54. a spring support; 55. a spring; 56. a pull rod; 57. a nut; 58. and (4) screws.

Detailed Description

In the description of the present application, it is to be understood that the orientations and positional relationships as referred to with the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "vertical", "horizontal", "clockwise", "counterclockwise", and the like are based on the orientations and positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present application. References in this application to "first," "second," etc. are used to distinguish between the objects described and not to have any sequential or technical meaning. The term "connected" and "coupled" when used in this application includes both direct and indirect connections (couplings), unless otherwise specified.

The embodiment of the application provides a large-scale cable tractor, and solves the technical problems that when a large-scale cable is pulled in the prior art, the traction friction force of a transmission part arranged symmetrically on the cable is insufficient, the cable is easy to slip and misplace, and the cable traction efficiency is low.

For solving the problem that the cable traction efficiency is low, the technical scheme in the embodiment of the application has the following general idea:

the conveying assemblies are arranged on the rack in a relatively inclined mode, so that the first conveying assembly is arranged along the cable traction direction, the second conveying assembly is arranged along the position inclined relative to the first conveying assembly, three conveying belts in the first conveying assembly and the second conveying assembly form a star-shaped structure, the three conveying belts form three-side clamping type extrusion contact on the cable, the contact area is increased, and the friction traction force is improved.

The jacking parts are correspondingly connected along the arrangement directions of the first conveying assembly and the second conveying assembly respectively, and a sliding rail and a pulley are arranged between the conveying assembly and the rack, so that the first conveying assembly and the second conveying assembly can drive the conveying assembly to move relatively on the rack along the arrangement direction of the jacking parts when the jacking parts stretch out and draw back, and the traction gap formed between the first conveying assembly and the second conveying assembly is further adjusted.

For better understanding of the technical solutions of the present application, the technical solutions will be described in detail below with reference to the drawings and specific embodiments.

Example one

The present example discloses a large cable hauling machine, which is shown in fig. 1 to 3 and comprises a frame 1, a driving assembly 2, a guiding assembly 4 and a hauling mechanism 3.

The rack 1 is used for mounting the driving component 2, the guide component 4 and the traction mechanism 3; frame 1 is assembled the welding by a plurality of shaped steel and is formed, has higher structural strength and stability, and the cost of manufacture is low, and frame 1 bottom is level, is used for guaranteeing that the level of whole framework is placed during the construction, and its top sets up to the low structural style in the high centre in both sides, by the slope in the middle of both sides.

The traction mechanism 3 comprises a first conveying assembly 31, a second conveying assembly 32 and a jacking piece; the first conveying assembly 31 is horizontally arranged on the rack 1 along a cable traction direction; the two groups of conveyor belts in the second traction assembly are symmetrically arranged on the left side and the right side and are obliquely installed on the rack 1 relative to the first conveyor assembly 31, the conveyor belts in the first conveyor assembly 31 and the two conveyor belts in the second conveyor assembly 32 are arranged to form a star-shaped structure so as to form clamping contact on a large cable from three sides, so that the friction between the cable and the conveyor belts 35 is increased, and the cable is prevented from slipping, deviating or misplacing; the first conveying assembly 31 and the second conveying assembly 32 respectively comprise a mounting rack 33, a transmission gear 34 and a conveying belt 35; the transmission gears 34 are rotatably installed at two ends of the mounting rack 33, and the inner sides of the conveyor belts 35 are meshed with the transmission gears 34, so that the transmission gears 34 drive the conveyor belts 35 to rotate when rotating; a belt tensioning adjuster 5 is further arranged on the mounting frame 33, and referring to fig. 4-5, the belt tensioning adjuster 5 comprises a support lug 51 welded on the mounting frame, a top thread 52 screwed on the end of the support lug 51, a spring shield 53 fixedly connected with the support lug, a spring support 54 and a spring 55 arranged in the spring shield 53, a pull rod 56 connected with the spring 55, and a nut 57 screwed with the pull rod 56; the nut 57 is used for pressing a tensioned shaft (a transmission gear shaft) which is provided with a hole, the adjusting jackscrew 52 pushes the spring support 54 to slide and compress the spring 55, the spring 55 pushes the pull rod 56, the pull rod 56 drives the shaft to be tensioned, and the elastic force of the spring 55 exists all the time, so that the pushing force is always given to the tensioned shaft, when the shaft is stressed and fluctuated, the force is transmitted to the spring 55, the spring 55 is compressed, and the buffer effect is achieved, and the support lug 51 is also provided with a screw 58 for adjusting the elastic force of the spring 55.

The jacking part is a hydraulic cylinder 36 and is used for adjusting the relative positions of the first conveying assembly 31 and the second conveying assembly 32 on the rack 1, each hydraulic cylinder 36 can synchronously carry out jacking and can also independently carry out telescopic adjustment so as to be suitable for requirements of different cable traction, the hydraulic cylinder 36 is respectively hinged between the rack 1 and an installation frame 33 in the first conveying assembly 31 and the second conveying assembly 32, the support is further provided with a slide rail 11, the installation frame 33 is correspondingly provided with a pulley, the slide rail 11 is matched and connected with the pulley, when the hydraulic cylinder 36 is telescopic, the first conveying assembly 31 and the second conveying assembly 32 are driven to relatively slide on the rack 1, and then the traction gap formed between the first conveying assembly 31 and the second conveying assembly 32 is changed so as to be suitable for requirements of cable traction with different wire diameters; the matching mode of the pulley and the slide rail can be replaced by the matching transmission mode of the slide block and the polish rod.

The driving assembly 2 comprises a hydraulic motor 21 and a speed reducer 22, wherein the hydraulic motor 21 can also be replaced by an electric motor and used for providing a power source for the traction mechanism 3; the power output end of the hydraulic motor 21 is in transmission fit connection with the speed reducer 22, and the power output end of the speed reducer 22 is in transmission connection with the transmission gear 34 to drive the conveyor belt 35 to rotate; the hydraulic motor 21 as a power source has small volume, large torque and stable transmission.

The cable drawing device is characterized by further comprising guide assemblies 4 which are correspondingly arranged at two ends of the rack 1 along the cable drawing direction, wherein each guide assembly 4 comprises a side plate 41, a roller 42 and a guide rod; the side plate 41 is provided with bearing seats in up-and-down symmetry along the longitudinal direction, the roller 42 is connected with the bearing seats in a rotating fit manner, and the bottom of the side plate 41 is also provided with three through holes which comprise circular through holes symmetrically arranged at two sides and a threaded through hole arranged in the middle; the guide bar is installed along perpendicular to cable direction of traction in frame 1, including slide bar 43 and the two-way lead screw 44 that bilateral symmetry set up, the circular through-hole cooperation on slide bar 43 and the curb plate 41 is connected for make installing in frame 1 that curb plate 41 can stabilize, two-way lead screw 44 is connected with the screw hole cooperation on the curb plate 41, curb plate 41 bilateral symmetry sets up on the guide bar, and the one end of two-way lead screw 44 is provided with hand wheel 45, rotates hand wheel 45 drives two-way lead screw 44 and rotates in frame 1 to make the running roller 42 of installing on curb plate 41 move in opposite directions or back on the back, realize the regulation to the guide spacing, use in the cable direction demand of different footpaths.

Although preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.

It will be apparent to those skilled in the art that various changes and modifications may be made to the present invention without departing from the spirit and scope of the invention. Thus, it is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.

Claims

1. A large-scale cable tractor comprises a frame, a driving assembly and a traction mechanism, wherein the driving assembly and the traction mechanism are installed on the frame; the driving assembly is in transmission fit connection with the traction mechanism; characterized in that, the drive mechanism includes:

the first conveying assembly is arranged along the cable conveying direction;

the second transmission assembly is obliquely arranged relative to the first transmission assembly and is used for realizing the clamping type extrusion contact of three surfaces or three directions of the cable to be transmitted;

the jacking piece is arranged between the rack and the first conveying assembly and the second conveying assembly; the jacking piece stretches out and draws back to drive the first conveying assembly and the second conveying assembly to move relatively on the frame respectively so as to adjust a traction gap formed between the first conveying assembly and the second conveying assembly.

2. The large-scale cable tractor according to claim 1, wherein the first transmission assembly and the second transmission assembly respectively comprise corresponding mounting frames, transmission gears arranged on the mounting frames and transmission belts connected with the transmission gears in a matching manner.

3. Large cable pulling machine according to claim 2, characterized in that a belt tensioner is provided on the mounting frame.

4. The large cable tractor according to claim 2, wherein a slide rail/groove is formed in the frame, and a pulley is arranged on the mounting frame and is cooperatively connected with the slide rail/groove, so that the mounting frame is driven to move on the frame by the expansion of the jacking member.

5. The large cable pulling machine according to claim 1, wherein the jacking member is any one of a hydraulic cylinder or an electric push rod or a pneumatic cylinder.

6. Large cable hauler according to claim 2, wherein the drive assembly comprises a hydraulic motor and a retarder; the hydraulic motor is connected with the speed reducer in a transmission matching mode, and the power output end of the speed reducer is connected with the transmission gear in a transmission mode to drive the conveying belt to rotate.

7. The large-scale cable traction machine according to claim 1, further comprising guide assemblies correspondingly mounted at two ends of the frame along a cable traction direction, wherein the guide assemblies comprise side plates, rollers and guide rods; the roller is installed along vertical direction on the curb plate, curb plate slidable mounting be in on the guide bar, the guide bar is installed in the frame.

8. The large cable pulling machine according to claim 7, wherein the bottom of the side plate comprises through holes symmetrically arranged at two sides and a threaded hole arranged in the middle, the guide rod comprises a slide rod and a bidirectional screw rod, the slide rod is connected with the through holes in a matching manner, the bidirectional screw rod is connected with the threaded hole in a matching manner, and the bidirectional screw rod is rotated to enable the rollers symmetrically arranged on the side plate at two sides to move towards or away from each other along the slide rod.

9. The large cable tractor according to claim 8, wherein a hand wheel is provided at one end of the bidirectional screw, and the hand wheel is rotated to drive the bidirectional screw to rotate.