CN217063234U

CN217063234U - Anti-dragging, slipping, torque-variable and cable-retractable electric loader

Info

Publication number: CN217063234U
Application number: CN202220451469.7U
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: 2022-07-26
Anticipated expiration: 2032-03-02

Abstract

The utility model discloses an anti-formula bending moment of dragging receive and releases electric cable loader, comprising a tower frame, 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 winding has the cable on the cable reel, the one end and the feed end of cable are connected, and the other end is connected with electric loader's current collection end, 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 belt 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, be equipped with the meter appearance that calculates unwrapping wire cable weight on the reel support, motor and meter appearance are connected with machine controller. The utility model discloses simple structure, the operation is reliable, and it is convenient to maintain, economical and practical.

Description

Anti-dragging, slipping, torque-variable and cable-retractable electric loader

Technical Field

The utility model belongs to the technical field of the electronic loader technique and specifically relates to an anti-dragging and skidding formula bending moment receive and release cable type electronic loader.

Background

The engineering machinery is the biggest place mobile device except that the automobile industry, and the loader occupies nearly half the market volume of keeping, and today with the requirement of environmental protection low carbon emission, the engineering machinery that uses fuel as power does not obviously accord with the strict emission standard of environmental protection, and the continuous rising of oil price simultaneously uses uneconomic. 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. The cost is high, the economy is low, and therefore the device is always kept suffering from the defects. 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 the field work, the cable winding and unwinding line with a certain distance is provided, the power supply of the loader can be ensured to realize the production operation in the field, the existing cable winding and unwinding usually adopts the chain gravity to wind and unwind the line, and the mode is simple and reliable, economical and practical and maintenance-related. The method has the disadvantages that if the paying-off distance is long, a tower with higher 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

The utility model discloses a solve the weak point that exists among the prior art, provide a simple structure, the operation is reliable, it is convenient to maintain, economical and practical's anti-dragging skidding formula bending moment receive and release cable type electric loader.

The purpose of the utility model is realized with the following mode:

the anti-dragging slipping type torque-variable cable-releasing type electric loader comprises a tower frame, wherein a slewing bearing is arranged above the tower frame, a reel support is arranged on the slewing bearing, a cable reel is arranged on the reel support, 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 belt, an output shaft of the reduction gearbox is in transmission connection with a central shaft of the cable reel, a meter counter for calculating the weight of a pay-off cable is arranged on the reel support, and the motor and the meter counter are connected with a motor controller.

As the utility model discloses technical scheme's an alternative, be equipped with the current collection sliding ring on the opposite side center pin of cable reel for the motor, be equipped with central current collection sliding ring on the pylon of slewing bearing below, the subaerial block terminal that is equipped with of pylon one side, the block terminal passes through the cable and is connected with central current collection sliding ring, central current collection sliding ring passes through the cable and is connected with current collection sliding ring.

As the utility model discloses technical scheme's an alternative, the reel support is equipped with the cable through mouth for the department of being qualified for the next round of competitions of cable, the left and right sides and the upside of cable through mouth all are equipped with the roller.

As the utility model discloses technical scheme's an alternative, the current collection end of electric loader is including locating the current collector on the electric loader, it is connected with the rudder to rotate on the current collector, be equipped with the connecting cable with current collector and cable junction on the rudder.

As the utility model discloses technical scheme's an alternative, including wire rope and conductive core in the cable, wire rope is connected with the rudder hasp, conductive core passes through the bayonet joint with connecting cable and is connected, the conductive core length of cable and connecting cable junction is greater than wire rope's length.

As the utility model discloses an alternative of technical scheme, be equipped with the tight pulley that rises between the belt of motor and reducing gear box.

The beneficial effects of the utility model are that:

the utility model discloses when the electric loader starts, the motor that receive and releases the cable starts simultaneously, and when the electric loader was marchd to pylon opposite direction, the cable was qualified for the next round of competitions and the forward rotation's of cable reel power relied on the tractor of electric loader self to pull out, and the cable motor opposite direction is rotatory to rely on the friction of motor belt pulley and belt to skid the unwrapping wire. The rotation direction of a motor for winding and unwinding the cable and the rotation direction of the electric loader are opposite, the reel forms a moment opposite to the advancing direction of the loader by using the cable reel, when the electric loader advances towards the tower frame, the cable reel rotates reversely by the force of the reverse rotation of a cable winding and unwinding motor, and the cable is retracted by the reverse friction force generated by a belt pulley and a belt on the motor. The utility model discloses simple structure, the operation is reliable, and it is convenient to maintain, economical and practical.

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 view of an anti-dragging slipping torque-variable retractable cable type electric loader of the present invention;

fig. 2 is a partial enlarged view of a in fig. 1 (without a cable).

Reference numerals:

1-a tower; 2-a slewing bearing; 3-reel holder; 4-a cable reel; 5-a cable; 6-electric loader; 7-a motor; 9-a reduction gearbox; 10-a belt; 11-meter counter; 12-a motor controller; 13-collecting slip ring; 14-central collecting slip ring; 15-a distribution box; 16-cable access ports; 17-a roller; 18-a current collector; 19-a rudder; 20-connecting cables; 21-a tension wheel.

Detailed Description

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

It should be noted that all the directional indicators (such as upper, lower, 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 motion situation, etc. in a specific posture (as shown in the drawings), 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; they may be connected directly or through an intervening medium, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in figures 1-2, the back-dragging-sliding type torque-variable cable-retracting type electric loader comprises a tower frame 1, a slewing bearing 2 is arranged above the tower frame 1, a reel bracket 3 is arranged on the slewing bearing 2, the reel bracket 3 is provided with a cable reel 4, 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 collection end of an 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 belt 10, a tension wheel 23 is arranged between the motor 7 and a belt 10 of the reduction gearbox 9, an output shaft of the reduction gearbox 9 is in transmission connection with a central shaft of the cable reel 4, a meter counter 11 for calculating the weight of the paying-off cable is arranged on the reel support 3, and the motor 7 and the meter counter 11 are connected with a motor controller 12.

When the electric loader is started, the motor 7 for taking up and paying off 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 a tractor of the electric loader 7, the motor 7 rotates in the reverse direction, and the line is released by the friction and the slipping of a motor belt pulley and a belt 10. The motor 7 for winding and unwinding the cable rotates in the direction opposite to the direction of the electric loader 6, and the cable reel 4 generates a moment in the direction opposite to the direction of the loader.

When the electric loader 6 moves towards the direction of the tower frame 1, the cable reel 4 rotates reversely by the reverse rotation force of the motor 7 for winding and unwinding the cable, the cable 5 is retracted by the reverse friction force generated by the belt pulley on the motor 7 and the belt 10, the cable weight of the length of the paying-off cable is calculated by the meter counter 11, signals are transmitted to the motor controller 12 of the motor 7 for winding and unwinding the cable, and the torque is synchronously changed, so that the outgoing length of the cable is synchronously matched with the reverse tension of the motor 7, and the reverse friction force caused by the belt pulley and the belt 10 is reduced to the maximum extent. The friction force changes synchronously with the outgoing line length of the cable 5, and the torque of the motor 7 is synchronously matched according to the change of data transmitted by the meter counter 11. The motor 7 for winding and unwinding the cable rotates in a single reverse direction towards the wire outlet end all the time to form a winding torque, the torque and the wire outlet length are synchronous, the tightness adjustment of the belt 10 can be realized by the tensioning wheel 21, when the cable 5 is out of the wire, the belt 10 and the belt pulley slip, the tension is slightly larger than the friction force to realize the wire outlet, when the electric loader 6 moves towards the tower frame 1, the motor 7 for winding and unwinding the cable withdraws the cable 5 through the reverse force generated by the belt pulley and the belt 10, and the process is repeated, and the winding and unwinding 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 13 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 14 is provided on the tower 1 below the slewing bearing 2, a distribution box 15 is provided on the ground on the tower 1 side, the distribution box 15 is connected to the central slip ring 14 via a cable, and the central slip ring 14 is connected to the slip ring 13 via a cable.

As a further scheme of the embodiment, the coil plate bracket 3 is provided with a cable passing hole 16 relative to the outlet of the cable 5, and rollers 17 are arranged on the left side, the right side and the upper side of the cable passing hole 16, so that the cable 5 can be more smoothly wound and unwound, and abrasion to the cable 5 during winding and unwinding of the cable 5 is reduced.

As a further scheme of the embodiment, the current collecting end of the electric loader 6 comprises a current collector 18 arranged on the electric loader 6, a rudder 19 is rotatably connected to the current collector 18, and a connecting cable 20 connected with the current collector 18 and the cable 5 is arranged on the rudder 19. The rudder 19 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, the cable 5 includes a steel wire rope and a conductive core, the steel wire rope is connected to the rudder 19 by locking, the conductive core is connected to the connection cable 20 by a plug, and the length of the conductive core at the connection between the cable 5 and the connection cable 20 is greater than that of the steel wire rope, so that the steel wire rope in the cable 5 is stressed, and the conductive core is not stressed but only performs the function of electrical connection. The lock catch for connecting the steel wire rope and the plug for connecting the conductive core not only play a role in connection, but also play a role in automatic safe disconnection protection of over force or over distance.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention. In addition, the technical solutions between the various embodiments may be combined with each other, but must be based on the realization of those skilled in the art; when the technical solutions are contradictory or cannot be combined, the combination of the technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

Claims

1. A back-dragging sliding type variable-torque cable-releasing type electric loader is characterized by comprising a tower frame (1), wherein 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 collection end of an 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 belt (10), an output shaft of the reduction gearbox (9) is in transmission connection with a central shaft of the cable reel (4), a meter counter (11) for calculating the weight of a paying off cable is arranged on the reel support (3), the motor (7) and the meter counter (11) are connected with a motor controller (12).

2. The anti-drag slip torque-conversion retractable cable loader according to claim 1, wherein a slip ring (13) is provided on the central shaft of the cable reel (4) on the other side relative to the motor (7), a central slip ring (14) is provided on the tower (1) below the slewing bearing (2), a distribution box (15) is provided on the ground of one side of the tower (1), the distribution box (15) is connected with the central slip ring (14) through a cable, and the central slip ring (14) is connected with the slip ring (13) through a cable.

3. The anti-drag slip torque-conversion take-up and pay-off electric cable loader according to claim 1, wherein the spool support (3) is provided with a cable passage opening (16) at the outlet relative to the cable (5), and rollers (17) are arranged on the left side, the right side and the upper side of the cable passage opening (16).

4. The anti-drag slip torque-conversion cable-retracting electric loader according to claim 1, wherein the current collecting end of the electric loader (6) comprises a current collector (18) arranged on the electric loader (6), a steering wheel (19) is rotatably connected to the current collector (18), and a connecting cable (20) connected with the current collector (18) and the cable (5) is arranged on the steering wheel (19).

5. The anti-drag slipping torque-conversion retractable cable type electric loader as claimed in claim 4, wherein the cable (5) comprises a steel wire rope and a conductive core, the steel wire rope is connected with the rudder (19) in a locking manner, the conductive core is connected with the connecting cable (20) through a connector, and the length of the conductive core at the joint of the cable (5) and the connecting cable (20) is greater than that of the steel wire rope.

6. The anti-drag slip torque-conversion pay-off and take-up cable type electric loader according to claim 1, characterized in that a tension wheel (21) is arranged between the motor (7) and the belt (10) of the reduction gearbox (9).