CN210260739U

CN210260739U - All-round cable winding and unwinding devices is used to electric operation car

Info

Publication number: CN210260739U
Application number: CN201921211961.1U
Authority: CN
Inventors: 李岗
Original assignee: Yueyang Credsun Electric Co ltd
Current assignee: Yueyang Credsun Electric Co ltd
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2020-04-07
Anticipated expiration: 2029-07-30

Abstract

The utility model discloses an all-round cable winding and unwinding devices for electric operation vehicle, which comprises a frame, a reel is arranged on the frame, a hollow rotating shaft is coaxially arranged on one side of the reel, the shaft section of the rotating shaft is coaxially arranged with a driven gear in a reduction gearbox, the driven gear is connected with a driving gear through an intermediate gear assembly, and the driving gear is connected with the output end of a torque motor; the end part of the rotating shaft is connected with a slip ring assembly, the slip ring assembly comprises a slip ring component and a carbon brush component, and the carbon brush is tightly contacted with the slip ring; the other side of the winding drum is provided with a guide frame, and the guide frame is matched with a shaft head on the side surface of the winding drum through a bearing seat; the guide frame is provided with a guide hole and a damping mechanism, and the damping mechanism is used for limiting the rotation of the guide frame. The utility model aims at providing an all-round cable winding and unwinding devices is used to electric operation car, the device can make the operation car surround the all-round operation of power supply car, has improved the operation scope of digging the machine, has solved the power supply car and can only be for digging the difficult problem of machine at local range power supply work.

Description

All-round cable winding and unwinding devices is used to electric operation car

Technical Field

The utility model belongs to cable winding and unwinding devices field specifically is an all-round cable winding and unwinding devices for electric operation car.

Background

Traditional excavator provides power by the engine, consumes a large amount of fuel, not only causes huge injury to the environment, makes construction cost greatly increased moreover, and the engine also is one of the fault source of excavator simultaneously, influences the construction progress. Based on the above defects of the conventional excavator and the increasing attention of people to the environment and resources, the electric excavator has come into play. The electric excavator uses the electric motor to replace a traditional engine as a power source, obtains electric energy from a power grid and converts the electric energy into mechanical energy, reduces the construction cost and simultaneously reduces the waste discharge, thereby being environment-friendly. And the failure rate of the electric excavator is greatly reduced, so that the electric excavator is superior to the traditional excavator in the aspects of construction efficiency and construction completion progress. The device is mainly applied to working condition areas such as tunnels and plateaus with low oxygen content, and cargo platforms, ports, factories and the like fixed in workplaces, and has the characteristics of small working displacement range, long working time, convenient power supply acquisition and the like.

The electric excavator needs to get electricity from the power supply vehicle during operation, is specifically connected with the power supply vehicle through the cable drum, however, the current cable drum can only be in one side of drum, partly within range activity operation owing to the restriction of its structure in the use, has weakened the working range and the work efficiency of digging the machine greatly, consequently, in order to increase the operating range of electric excavator, has must improve this drum. At present, the developed and improved cable winding and unwinding device can enable the excavator to work in an all-dimensional range around a power supply vehicle, greatly improves the working range of the excavator, solves the problem that the power supply vehicle can only work in a local range, and is applied to the electric excavator of the Lizhou Liancheng group and is commented on consistently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at above problem, provide an all-round cable winding and unwinding devices for electric operation car, the device can make the operation car surround the power supply car and at all-round within range operation, has improved the operation scope of digging the machine greatly, has solved the power supply car and has dug the difficult problem that the machine can only local range work.

In order to realize the above purpose, the utility model adopts the technical scheme that: an omnibearing cable take-up and pay-off device for an electric working vehicle comprises a rack, wherein a rotatable winding drum is arranged on the rack, a hollow rotating shaft is coaxially arranged on one side of the winding drum, the shaft section of the rotating shaft is coaxially arranged with a driven gear in a reduction box, the driven gear is in transmission connection with a driving gear through an intermediate gear assembly, and the driving gear is coaxially connected with the output end of a torque motor; the end part of the rotating shaft is connected with a slip ring assembly, the slip ring assembly comprises a slip ring assembly and a carbon brush assembly, and a carbon brush on the carbon brush assembly is tightly contacted with the outer surface of a slip ring on the slip ring assembly; the other side of the winding drum is provided with a guide frame, and the guide frame is matched with a shaft head on the side surface of the winding drum through a bearing seat; the guide frame is provided with a guide hole and a damping mechanism, the guide hole is provided with a guide roller, the damping mechanism comprises a damping rod and a damping plate, the damping plate is fixedly connected with the rack, one end of the damping rod is arranged on the guide frame, and the other end of the damping rod is tightly propped against the damping plate.

Furthermore, the slip ring assembly is in transmission connection with a stroke limiting mechanism.

Furthermore, a wiring terminal is arranged inside the winding drum and is electrically communicated with each slip ring on the slip ring assembly.

Furthermore, a plurality of damping mechanisms are uniformly distributed on the guide frame around the axis of the winding drum.

Furthermore, the torque motors are long-term locked-rotor torque motors and are two.

The utility model has the advantages that: the device can make the operation car surround the power supply car and operate in all-round scope, has improved the operation scope of digging the machine greatly, has solved the difficult problem that the power supply car power supply is dug the machine and can only work in local scope.

1. The utility model discloses in this reel use rotatory guide cable frame to be equipped with damping device, make and dig no matter which position work, reel cable business turn over line can both be smooth and easy, the reel adopts vertical structure simultaneously, this reel structure and use still be the first time home and abroad, and the actual solution digs the difficult problem that work needs on a large scale

2. The utility model discloses well sliding ring assembly is connected with the stroke stop gear transmission, and stroke stop gear provides four group's cam switches, for the reel provides four group's break-make signals, can set up empty full set warning and empty full set break-make four group's contacts, and the control of being convenient for guarantees safety.

3. The utility model discloses well cable passes through binding post transition electricity with the slip ring subassembly and is connected, when the cable need be changed, makes things convenient for the dismouting of cable.

Drawings

Fig. 1 is a schematic view of the structure of the present invention.

Fig. 2 is a schematic side view of the present invention shown in fig. 1.

Fig. 3 is a schematic view of the cross-sectional structure a-a of fig. 1 according to the present invention.

Fig. 4 is a schematic top view of the guiding frame of fig. 1 according to the present invention.

The text labels in the figures are represented as: 1. a frame; 2. a reel; 3. a rotating shaft; 4. a reduction gearbox; 5. a driven gear; 6. an intermediate gear assembly; 7. a driving gear; 8. a torque motor; 9. a slip ring assembly; 10. a carbon brush assembly; 11. a guide frame; 12. a damping mechanism; 121. a damping lever; 122. a damping plate; 13. a guide roller; 14. a stroke limiting mechanism; 15. and a terminal.

Detailed Description

In order to make the technical solution of the present invention better understood, the present invention is described in detail below with reference to the accompanying drawings, and the description of the present invention is only exemplary and explanatory, and should not be construed as limiting the scope of the present invention.

As shown in fig. 1-4, the specific structure of the present invention is: an omnibearing cable take-up and pay-off device for an electric working vehicle comprises a frame 1 formed by welding square pipes, wherein the frame 1 is arranged on a power supply vehicle, a winding drum 2 capable of rotating around a vertical shaft is arranged on the frame 1 and is used for winding a cable on the outer circumference to realize the function of releasing and winding the cable, the winding drum 2 enables the cable to be arranged according to a three-in-three mode through a specific width design and can be automatically and orderly arranged, a hollow rotating shaft 3 is coaxially arranged on one side of the winding drum 2, the hollow part is used for penetrating a conducting wire, the shaft section of the rotating shaft 3 is coaxially arranged with a driven gear 5 in a reduction gearbox 4, the reduction gearbox 4 is arranged on the frame 1, the driven gear 5 is in transmission connection with a driving gear 7 through an intermediate gear assembly 6, namely a two-stage reduction gear assembly is formed between the driving gear 7 and the driven gear 5, the driving gear, the torque motor 8 is arranged outside the reduction gearbox 4; the end part of the rotating shaft 3 is connected with a slip ring assembly, the slip ring assembly comprises a slip ring assembly 9 and a carbon brush assembly 10, a plurality of slip rings are arranged on the slip ring assembly 9 side by side at intervals and are connected with the end part of the rotating shaft 3 through insulating columns, and carbon brushes on the carbon brush assembly 10 are respectively in tight contact with the outer surfaces of the slip rings on the slip ring assembly 9; one end of a cable on the winding drum 2 penetrates through the hollow rotating shaft 3 and is respectively and electrically connected with the sliding rings on the sliding ring assembly 9, the carbon brush is connected with the rack 1 through the mounting column, and the port of the carbon brush is connected with a main power supply; the other side of the winding drum 2 is provided with a guide frame 11, the guide frame 11 is installed in a matched mode with a shaft head on the side face of the winding drum 2 through a bearing seat, and a matched bearing is arranged in the bearing seat; the guide frame 11 is provided with a guide hole and a damping mechanism 12, the guide hole is provided with a guide roller 13, namely, the guide rollers 13 are enclosed to form a structure with a through hole in the middle, the damping mechanism 12 comprises a damping rod 121 (a nylon sleeve) and a damping plate 122, the damping plate 122 is fixedly connected with the rack 1, one end of the damping rod 121 is installed on the guide frame 11, the other end of the damping rod is tightly propped against the damping plate 122, and the nylon sleeve and the damping plate 122 rub to provide resistance; preferably, one end of the damping rod 121 is mounted on the guide frame 11 through a screw, a compression spring is disposed on the outer circumference of the screw, and the friction force (damping force) between the damping rod 121 and the damping plate 122 can be adjusted by tightening a nut on the screw, and when the end of the damping rod 121 is worn, the adjustment can be performed by adding a washer on the screw. And a protective cover is arranged at the periphery of the slip ring assembly.

Preferably, the slip ring assembly is in transmission connection with the stroke limiting mechanism 14. Namely, the end part of the slip ring component 9 is connected with the input end of the rotary type stroke limiting mechanism 14, the stroke limiting mechanism 14 provides four groups of cam switches, four groups of on-off signals are provided for the winding drum 2, and four groups of contacts for alarming when the winding drum is empty or full and switching on or off when the winding drum is empty or full can be arranged.

Preferably, a terminal 15 is arranged inside the winding drum 2, and the terminal 15 is electrically communicated with each slip ring on the slip ring assembly 9 through a conductive wire. One end of a cable coiled on the outer circumference of the winding drum 2 is electrically connected with each port on the wiring terminal 15, a cover plate is arranged outside the wiring terminal 15, the electrified part of the whole winding drum has the protection grade of IP66, and the rainproof and dustproof requirements of outdoor use of products are well met. The cable is transitionally and electrically connected with the slip ring assembly 9 through the wiring terminal 15, and when the cable needs to be replaced, the cable is convenient to disassemble and assemble.

Preferably, the damping mechanisms 12 are uniformly arranged on the guide frame 11 around the axis of the winding drum 2. The stress is more balanced.

Preferably, the torque motors 8 are long-term locked-rotor torque motors and are two. And driving gears 7 on the output ends of the two torque motors 8 are meshed with the intermediate gear assembly 6.

During the specific use, three operating condition of cable drum 2:

A. a static state: the torque motor 8 is not started and braked.

B. The cable laying state is as follows: moment motor 8 starts, to cable laying direction drive driving gear 7, drives pivot 3, reel 2 through intermediate gear subassembly 6, driven gear 5 and rotates the cable laying, and the cable is dragged to the operation position by the operation vehicle.

C. A cable winding state: the torque motor 8 is reversely started, the driving gear 7 is driven in the cable winding direction, the middle gear assembly 6 and the driven gear 5 drive the rotating shaft 3 and the winding drum 2 to rotate to wind the cable, and the cable is wound on the winding drum 2.

In the process, the damping mechanism 12 provides damping torque to resist the inertia force caused by the rotation of the winding drum 2 and the cable winding and unwinding, so that the guide frame 11 cannot be driven by the inertia to rotate to cause the cable to be clamped.

In the vehicle operation process, the cable moves freely, when the cable passing through the guide hole is dragged, the guide frame 11 rotates around the axis of the winding drum 2, so that the requirement of all-dimensional power supply is met (the guide frame 11 can rotate 360 degrees around the axis of the winding drum 2), the cable winding drum 2 ensures the safe power supply of the vehicle, meanwhile, the cable can be synchronously wound and unwound, and the cable is ensured to be neatly distributed on the winding drum 2 and to be suspended in the air without dragging.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The principles and embodiments of the present invention have been explained herein using specific examples, which are presented only to assist in understanding the methods and their core concepts. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes can be made without departing from the principle of the present invention, and the above technical features can be combined in a proper manner; the application of these modifications, variations or combinations, or the application of the concepts and solutions of the present invention in other contexts without modification, is not intended to be considered as a limitation of the present invention.

Claims

1. An all-dimensional cable winding and unwinding device for an electric working vehicle comprises a rack (1) and is characterized in that a rotatable winding drum (2) is arranged on the rack (1), a hollow rotating shaft (3) is coaxially arranged on one side of the winding drum (2), the shaft section of the rotating shaft (3) and a driven gear (5) in a reduction gearbox (4) are coaxially arranged, the driven gear (5) is in transmission connection with a driving gear (7) through an intermediate gear assembly (6), and the driving gear (7) is coaxially connected with the output end of a torque motor (8); the end part of the rotating shaft (3) is connected with a slip ring assembly, the slip ring assembly comprises a slip ring component (9) and a carbon brush component (10), and a carbon brush on the carbon brush component (10) is tightly contacted with the outer surface of a slip ring on the slip ring component (9); the other side of the winding drum (2) is provided with a guide frame (11), and the guide frame (11) is installed in a matched mode with a shaft head on the side face of the winding drum (2) through a bearing seat; be equipped with guiding hole and damping mechanism (12) on leading truck (11), guiding hole department is equipped with guide roll (13), damping mechanism (12) are including damping rod (121) and damping plate (122), damping plate (122) and frame (1) rigid coupling, and damping rod (121) one end is installed on leading truck (11), and the other end and damping plate (122) top are tight.

2. The omni-directional cable pay-off and take-up device for the electric working vehicle as claimed in claim 1, wherein the slip ring assembly is in transmission connection with the stroke limiting mechanism (14).

3. The omni-directional cable pay-off and take-up device for the electric working vehicle as claimed in claim 1, wherein a terminal (15) is arranged inside the winding drum (2), and the terminal (15) is electrically communicated with each slip ring on the slip ring assembly (9).

4. The omni-directional cable pay-off and take-up device for the electric working vehicle as claimed in claim 1, wherein a plurality of damping mechanisms (12) are uniformly arranged on the guide frame (11) around the axis of the winding drum (2).

5. The omni-directional cable pay-off and take-up device for the electric working vehicle as claimed in claim 1, wherein the torque motor (8) is a long-term locked-rotor torque motor, and two torque motors are provided.