CN216904241U

CN216904241U - Hysteresis lag type cable-retractable electric loader

Info

Publication number: CN216904241U
Application number: CN202220450159.3U
Authority: CN
Inventors: 吕本强
Original assignee: Shandong Deman Mechanical Co ltd
Current assignee: Shandong Deman Mechanical Co ltd
Priority date: 2022-03-02
Filing date: 2022-03-02
Publication date: 2022-07-05
Anticipated expiration: 2032-03-02

Abstract

The utility model discloses a hysteresis type cable-retracting type electric loader which comprises a tower frame, wherein a slewing bearing is arranged above the tower frame, a reel bracket is arranged on the slewing bearing, a cable reel is arranged on the reel bracket, a cable is wound on the cable reel, one end of the cable is connected with a power supply end, the other end of the cable is connected with a current collecting end of the electric loader, the cable reel is driven by a motor, a reduction gearbox is connected between the motor and the cable reel, the motor is in transmission connection with the reduction gearbox through a hysteresis coupler, and an output shaft of the reduction gearbox is in transmission connection with a central shaft of the cable reel. When the electric loader moves away from the tower end, the traction force generated by the electric loader drags the cable to overcome the hysteresis torque of the hysteresis coupler, and the hysteresis coupler generates slip at the moment, so that the cable on the winding reel is released, and the paying-off length of the cable is completely almost synchronous with the distance when the electric loader moves in the opposite direction towards the power supply end of the tower.

Description

Hysteresis lag type cable-retractable electric loader

Technical Field

The utility model relates to the technical field of electric loaders, in particular to a hysteresis type cable retractable electric loader.

Background

Engineering machinery is the biggest place mobile device except that the car business, and the loader occupies almost half the market conservation volume, and today with the requirement of environmental protection low carbon emission, the engineering machinery of using the fuel as power does not obviously accord with the severe emission standard of environmental protection, and the oil price is constantly rising simultaneously, uses uneconomically. In order to meet the development of the times, the electric loader using the lithium battery as the power source operates, but the loader using the battery as the power source has short endurance time, needs time for charging and delays production. The low-temperature endurance time in winter is more greatly reduced, and the high temperature in summer can cause the potential safety risk of burning and even explosion of the battery caused by thermal runaway. High cost and low economy, so the method is always kept suffering from the following problems. In addition, the country does not subsidize the industry, the market promotion is very difficult, and even if the industry is bought by customers, the industry cannot become mainstream because the customers either deal with environmental protection inspection or do some scattered activities. The cable type loader is born on the background, because the production characteristics of the loader belong to work in the field, the production operation in the field can be realized by ensuring the power supply of the loader as long as the cable is wound and paid off at a certain distance, the existing cable winding and paying off method generally adopts chain gravity to wind and pay off, and the method is simple and reliable, economical and practical and is convenient to maintain. The method has the disadvantages that if the paying-off distance is long, a tower with high height is needed, part of working condition actual scenes are limited by the height of a shed roof, and the paying-off radius is limited to a certain extent.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model provides the hysteresis lag type retractable cable type electric loader which is simple in structure, reliable in operation, convenient to maintain, economical and practical.

The object of the utility model is achieved in the following way:

the utility model provides a hysteresis lag formula cable laying electric loader, includes the pylon, the pylon top is equipped with slewing bearing, the last reel support that is equipped with of slewing bearing, the reel support is equipped with the cable reel, the last winding of cable reel has the cable, the one end and the power supply end of cable are connected, and the other end is connected with the current collection end of electric loader, the cable reel passes through motor drive, be connected with the reducing gear box between motor and the cable reel, the motor passes through the hysteresis lag coupler and is connected with the reducing gear box transmission, the output shaft of reducing gear box and the center pin transmission of cable reel are connected.

As an alternative of the technical scheme of the utility model, a central shaft of the cable reel on the other side relative to the motor is provided with a current collection slip ring, a tower frame below the slewing bearing is provided with a central current collection slip ring, a ground on one side of the tower frame is provided with a distribution box, the distribution box is connected with the central current collection slip ring through a cable, and the central current collection slip ring is connected with the current collection slip ring through a cable.

As an alternative scheme of the technical scheme of the utility model, a cable passing opening is formed in the position, opposite to the cable outgoing part, of the reel support, and rollers are arranged on the left side, the right side and the upper side of the cable passing opening.

As an alternative of the technical solution of the present invention, the current collecting end of the electric loader comprises a current collector arranged on the electric loader, a rudder is rotatably connected to the current collector, and a connecting cable connected to the current collector and the cable is arranged on the rudder.

As an alternative scheme of the technical scheme of the utility model, the cable comprises a steel wire rope and a conductive core, the steel wire rope is connected with the rudder lock catch, the conductive core is connected with the connecting cable through a plug connector, and the length of the conductive core at the connecting part of the cable and the connecting cable is greater than that of the steel wire rope.

The utility model has the beneficial effects that:

when the electric loader runs away from the tower end, the traction force generated by the electric loader drags the cable to overcome the hysteresis torque of the hysteresis coupler, and the hysteresis coupler generates slip at the moment, so that the cable on the winding reel is released, and the paying-off length of the cable is completely almost synchronous with the distance when the electric loader runs in the opposite direction to the power supply end of the tower. When the electric loader returns to travel in the same direction as the power supply end of the tower frame, the driving motor drives the single bearing and the hysteresis coupler, power is amplified by the reduction gearbox and then drives the cable reel to rotate in the opposite direction of the electric loader to synchronously take up the cable, the cable with the length between the power supply end of the tower frame and the electric loader is taken back, and the taking-up and paying-off are completed.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.

FIG. 1 is a schematic structural diagram of a hysteresis-type retractable cable electric loader according to the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

fig. 3 is a partially enlarged view of B in fig. 1.

Reference numerals:

1-a tower; 2-a slewing bearing; 3-reel holder; 4-cable reel; 5-a cable; 6-electric loader; 7-a motor; 8-a distribution box; 9-a reduction gearbox; 10-a hysteresis coupler; 11-collector slip ring; 12-a central collecting slip ring; 13-cable access ports; 14-a roller; 15-a current collector; 16-a rudder; 17-connecting cables; 18-a steel cord; 19-a conductive core; 20-plug connector.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In the description of the embodiments, the terms "disposed," "connected," and the like are to be construed broadly unless otherwise explicitly specified or limited. For example, the connection can be fixed, detachable or integrated; can be mechanically or electrically connected; either directly or through an intervening medium, or through internal communication between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-2, a hysteresis-type cable-retracting electric loader comprises a tower frame 1, a slewing bearing 2 is arranged above the tower frame 1, a reel support 3 is arranged on the slewing bearing 2, a cable reel 4 is arranged on the reel support 3, a cable 5 is wound on the cable reel 4, one end of the cable 5 is connected with a power supply end, the other end of the cable 5 is connected with a current collecting end of the electric loader 6, the cable reel 4 is driven by a motor 7, a reduction gearbox 9 is connected between the motor 7 and the cable reel 4, the motor (7) is in transmission connection with the reduction gearbox 9 through a hysteresis coupler 10, and an output shaft of the reduction gearbox 9 is in transmission connection with a central shaft of the cable reel 4.

When the electric loader is started, the motor 7 for winding and unwinding the cable is started at the same time, when the electric loader 6 moves towards the reverse direction of the tower 1, the outgoing line of the cable 5 and the force of the forward rotation of the cable reel 4 are pulled out by the tractor of the electric loader 6, the motor 7 rotates in the reverse direction, and the line is wound out by the friction and the slip of the motor belt pulley and the belt 10. The direction of rotation of the motor 7 for winding and unwinding the cable is opposite to that of the motor-driven loader 6, and the cable reel 4 generates a moment opposite to the direction of travel of the loader.

When the electric loader 6 moves away from the end of the tower 1, the traction force generated by the electric loader 6 drags the cable 5 to overcome the hysteresis torque of the hysteresis coupler 10, and at the moment, the hysteresis coupler 10 generates slip (the one-way bearing acts as a brake), so that the cable 5 on the cable winding reel 4 is released, and the paying-off length of the cable 5 and the distance of the electric loader 6 moving towards the power supply end of the tower 1 in the opposite direction are completely almost synchronous. When the electric loader 6 returns to travel in the same direction as the power supply end of the tower frame 1, the motor 7 drives the single bearing and the hysteresis coupler 10, power is amplified by the reduction gearbox 9, the cable reel 4 is driven to rotate in the opposite direction of the electric loader 6 to synchronously take up the cable 5, the cable with the length between the power supply end of the tower frame 1 and the electric loader 6 is taken back, and the taking-up and paying-off are completed.

As a further aspect of the present embodiment, in order to smoothly rotate the reel holder 3 and prevent the connected cable from being entangled, a slip ring 11 is provided on the center shaft of the cable reel 4 on the other side with respect to the motor 7, a central slip ring 12 is provided on the tower 1 below the slewing bearing 2, a distribution box 8 is provided on the ground on the tower 1 side, the distribution box 8 is connected to the central slip ring 12 via a cable, and the central slip ring 12 is connected to the slip ring 11 via a cable.

As a further scheme of the embodiment, the reel bracket 3 is provided with a cable passing hole 13 at the outlet part relative to the cable 5, and rollers 14 are arranged on the left side, the right side and the upper side of the cable passing hole 13, so that the cable 5 can be more smoothly wound and unwound, and the abrasion of the cable 5 caused by the winding and unwinding of the cable 5 is reduced.

As a further scheme of the present embodiment, the current collecting end of the electric loader 6 comprises a current collector 15 arranged on the electric loader 6, a rudder 16 is rotatably connected to the current collector 15, and a connecting cable 17 connected to the current collector 15 and the cable 5 is arranged on the rudder 16. The rudder 16 adjusts the angle according to the running direction of the electric loader 6 during the running of the electric loader 6, and prevents the cable 5 from generating an excessive torque.

As a further scheme of this embodiment, as shown in fig. 3, the cable 5 includes a steel wire rope 18 and a conductive core 19, the steel wire rope 18 is connected to the rudder 16 in a locking manner, the conductive core 19 is connected to the connection cable 17 through a plug 20, and the length of the conductive core 19 at the connection position of the cable 5 and the connection cable 17 is greater than that of the steel wire rope 18, so that the steel wire rope 18 in the cable 5 is stressed, and the conductive core 19 is not stressed and only performs the function of electrical connection. The lock catch of the connecting steel wire rope 18 and the plug 20 of the conductive core not only play a role of connection, but also play a role of automatic safe disconnection protection of over force or over distance.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein. In addition, the technical solutions between the various embodiments can be combined with each other, but must be based on the realization of those skilled in the art; where combinations of features are mutually inconsistent or impractical, such combinations should not be considered as being absent and not within the scope of the claimed invention.

Claims

1. The utility model provides a hysteresis lag formula cable laying electric loader, its characterized in that, includes pylon (1), pylon (1) top is equipped with slewing bearing (2), be equipped with reel support (3) on slewing bearing (2), reel support (3) are equipped with cable reel (4), the winding has cable (5) on cable reel (4), the one end and the feed end of cable (5) are connected, and the other end is connected with the current collection end of electric loader (6), cable reel (4) are through motor (7) drive, be connected with reducing gear box (9) between motor (7) and cable reel (4), motor (7) are connected with reducing gear box (9) transmission through hysteresis coupling (10), the output shaft of reducing gear box (9) and the center pin transmission of cable reel (4) are connected.

2. A hysteresis retractable electric loader as claimed in claim 1, characterized in that the cable reel (4) is provided with a slip ring (11) on the central axis on the other side with respect to the motor (7), the tower (1) below the slewing bearing (2) is provided with a central slip ring (12), the tower (1) is provided with a distribution box (8) on the ground on one side, the distribution box (8) is connected with the central slip ring (12) by a cable, and the central slip ring (12) is connected with the slip ring (11) by a cable.

3. The hysteresis-type retractable electric cable loader of claim 1, wherein the reel bracket (3) is provided with a cable passage opening (13) at the position opposite to the outlet of the cable (5), and rollers (14) are arranged on the left side, the right side and the upper side of the cable passage opening (13).

4. A hysteresis retractable electric loader as claimed in claim 1, characterized in that the current collecting end of the electric loader (6) comprises a current collector (15) arranged on the electric loader (6), a rudder (16) is rotatably connected to the current collector (15), and a connecting cable (17) connected to the current collector (15) and the cable (5) is arranged on the rudder (16).

5. The hysteresis type retractable electric loader of claim 4, wherein the cable (5) comprises a steel wire rope (18) and a conductive core (19), the steel wire rope (18) is connected with the rudder (16) in a locking manner, the conductive core (19) is connected with the connecting cable (17) through a plug (20), and the length of the conductive core (19) at the joint of the cable (5) and the connecting cable (17) is greater than that of the steel wire rope (18).