Battery quick-changing device of underground mining electric carry-scraper

Abstract

The technical scheme of the utility model discloses a battery quick-changing device of an underground mining electric carry-scraper, which comprises a chassis transmission system, a driving motor, a lifting motor, a lifting shear fork assembly, a working rack and a control system, the working rack is mounted above the lifting scissor fork assembly, the driving motor is used for controlling the chassis transmission system to move, the lifting motor is used for driving the working rack to move up and down, and the control system is used for controlling the driving motor and the lifting motor to act; through cooperation of the chassis transmission system, the lifting shear fork assembly, the working rack and the like, the control system controls the driving motor and the lifting motor to act to achieve instruction actions of the whole battery quick-change system, and the walking steering and lifting and descending functions of the battery quick-change device are achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of engineering machinery device, specifically relates to a battery quick change device of underground mine electric shovel. BACKGROUND

[0002] In recent years, with the continuous development of new energy technology, and the improvement of people's environmental protection and health consciousness, mining machinery is gradually changing from traditional diesel engine to new energy direction, which not only can effectively reduce the emission of pollutants, improve the underground bad working environment, but also can reduce noise, save energy and use cost, so the development prospect of new energy mining machinery is broad. At present, the domestic electric mining shovel mostly uses the original charging mode, the energy storage battery is fixedly connected with the rear frame, and the shovel needs to be parked at the designated place and charged. This way not only wastes working time, but also needs to divide the charging area underground and configure a special charging system, which has great safety hidden danger. Some of them use forklift or electric shovel to change the battery and separate the battery and the vehicle body. This way has low integration, and because the electric shovel needs to change the battery frequently to ensure continuous work, the way of changing the battery with external tools not only is slow, but also needs multiple people to cooperate, consumes a lot of manpower, affects the actual working time of mining machinery, and is difficult to ensure safety, so the convenience of changing the battery of the electric shovel is a problem to be solved.

[0003] The patent CN 116101044A discloses a kind of underground electric shovel's energy storage battery quick change tool and use method, including frame, battery pack, battery pack with frame detachable connection, dismounting component, dismounting component is fixedly set on frame, dismounting component is used to connect frame and battery pack, to complete the replacement of battery pack;Drive equipment one drives quick change hook to rotate around the connecting place of quick change base and quick change hook, so that battery pack hanging plate and battery pack are switched from horizontal state to inclined state, after battery pack and ground are in stable contact, battery pack hanging plate is separated from quick change hook, then shovel is driven to the position of new battery pack, after battery pack hanging plate is connected with quick change hook, drive equipment one is started again, so that battery pack is rotated to horizontal state, then drive equipment two is used to connect battery pack hanging plate and quick change base, to finally complete the replacement of battery pack, so that the replacement of battery pack is more convenient and fast;But only unloading in place, shovel is provided with reserve battery, when the battery pack of shovel is separated using first set of equipment, shovel can still realize operation, after battery unloading, shovel needs to be driven to the position of new battery pack under the support of reserve battery, then corresponding second set of equipment is used for installation, the whole battery replacement process needs to be equipped with two sets of equipment, shovel needs to be additionally provided with reserve battery and cannot realize long-distance battery replacement (limited by the power of reserve battery), which greatly increases the cost of battery replacement.Therefore, it is necessary to develop a battery quick change device for mine electric shovel, which can efficiently and quickly replace battery and has low cost. Practical new type content

[0004] In order to solve the existing technical problems, the utility model provides a kind of battery quick change device of underground mine electric shovel, through the cooperation of chassis transmission system, lifting scissor fork assembly and working frame, the instruction action of whole battery quick change system is realized by control system control drive motor and lifting motor action, realize the walking steering, lifting and lowering function of battery quick change device.

[0005] The technical scheme of the utility model is: a kind of battery quick change device of underground mine electric shovel, including chassis transmission system, drive motor, lifting motor, lifting scissor fork assembly, working frame and control system, the lifting scissor fork assembly is installed above chassis transmission system, working frame is installed above lifting scissor fork assembly, drive motor is used to control the movement of chassis transmission system, lifting motor is used to drive working frame to move up and down, control system is used to control the action of drive motor and lifting motor.

[0006] Further, the chassis transmission system comprises a chassis frame, wheels, a lower slide rail and a mounting rack, the wheels are arranged at four corners of the chassis frame, two wheels at the front side of the chassis frame are driven by different driving motors respectively; the lower slide rail is arranged at the upper end surface of the chassis frame, the mounting rack is arranged at both sides of the rear part of the chassis frame, a battery pack is mounted in the mounting rack, and the battery pack is connected with the driving motor, the lifting motor and the control system.

[0007] Further, the working rack comprises a workbench, a boss and an upper slide rail, the workbench is arranged in a profile mode and is attached to the bottom of the battery pack of the scraper, the boss is arranged at the upper end surface of the front side of the workbench, and the upper slide rail is arranged at the lower end surface of the workbench.

[0008] Further, the lifting scissor fork assembly comprises a scissor fork structure, a scissor fork pin shaft, a first fixed shaft, a moving shaft, an upper pin shaft, a second fixed shaft, a lower slide block and an upper slide block, the middle part of the scissor fork structure is rotatably fixed through the scissor fork pin shaft, one end of the lower part of the scissor fork structure is connected with the chassis transmission system through the first fixed shaft, the other end is connected with the lower slide block through the moving shaft, and the lower slide block is slidably connected with the chassis transmission system; one end of the upper part of the scissor fork structure is connected with the upper slide block through the upper pin shaft, and the other end is connected with the working rack through the second fixed shaft; the moving shaft and the first fixed shaft are connected through a hydraulic oil cylinder, the lifting motor is connected with the hydraulic oil cylinder, and the extension and retraction of the hydraulic oil cylinder are driven by hydraulic oil.

[0009] Further, the first fixed shaft is connected with the chassis frame of the chassis transmission system, the lower slide block is connected with the lower slide rail of the chassis transmission system, the second fixed shaft is connected with the workbench of the working rack, and the upper slide block is connected with the upper slide rail of the working rack.

[0010] Further, the lower slide block comprises two lower slide blocks which are arranged in a left-right distribution mode and are rigidly connected through the moving shaft, and the upper slide block comprises two upper slide blocks which are arranged in a left-right distribution mode and are rigidly connected through the upper pin shaft.

[0011] Further, the first fixed shaft and the upper pin shaft are arranged at the front side of the chassis frame, the moving shaft and the second fixed shaft are arranged at the rear side of the chassis frame, and the upper slide rail and the lower slide rail extend in the front-rear direction.

[0012] Further, the control system and the lifting motor are mounted at the rear part of the working rack.

[0013] Further, the control system controls the driving motor and the lifting motor to act through remote control.

[0014] By adopting the technical scheme, the present application has the following beneficial effects:

[0015] (1) The utility model discloses a bottom chassis transmission system, lifting scissor fork subassembly and work frame cooperate, through control system control drive motor and lifting motor action realizes the instruction action of whole battery quick change system, realizes the walking steering of battery quick change device, lifting and lowering function.

[0016] (2) In the process of replacing battery pack of underground mine electric shovel, only using the battery quick change device of the utility model one kind of equipment can complete all the battery replacement process, and only one person is needed to operate throughout the process, greatly guaranteeing the safety in the process of use, improve the efficiency of replacing electric of underground mine electric shovel.

[0017] (3) The battery quick change device of the utility model can realize long-distance battery replacement, and the underground mine electric shovel no longer needs to reach the specified charging and replacing area for replacement, which can greatly ensure the actual working time of the shovel, and the charging and replacing area can also be designed on land, without spending money to arrange the underground line, saving the cost of charging and replacing. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is the structure schematic diagram of the utility model;

[0019] Fig. 2 It is the structure schematic diagram of the utility model in the lifting state;

[0020] Fig. 3 It is the working process schematic diagram of the utility model.

[0021] In the drawing, 1, bottom chassis transmission system;2, drive motor;3, lifting motor;4, lifting scissor fork subassembly;5, work frame;6, control system;7, battery pack fixing tooling;8, battery pack;11, chassis frame;12, wheel;13, lower slide rail;14, mounting frame;15, battery pack;41, scissor fork structure;42, scissor fork pin shaft;43, first fixed shaft;44, movement shaft;45, upper pin shaft;46, second fixed shaft;47, lower sliding block;48, upper sliding block;49, hydraulic oil cylinder;51, workbench;52, boss;53, upper slide rail. DETAILED DESCRIPTION

[0022] The utility model will be further explained in detail in combination with the drawings and specific embodiment. Embodiment 1

[0023] Refer to Figs. 1-3The application discloses a battery quick replacement device for an electric shovel used in underground mining, which comprises a chassis transmission system 1, a driving motor 2, a lifting motor 3, a lifting scissor fork assembly 4, a working frame 5 and a control system 6, wherein the lifting scissor fork assembly 4 is arranged above the chassis transmission system 1, the working frame 5 is arranged above the lifting scissor fork assembly 4, the driving motor 2 is used for controlling the movement of the chassis transmission system 1, the lifting motor 3 is used for driving the working frame 5 to move up and down, and the control system 6 is used for controlling the actions of the driving motor 2 and the lifting motor 3.

[0024] Further, the chassis transmission system 1 comprises a chassis frame 11, wheels 12, a lower slide rail 13 and a mounting frame 14, the wheels 12 are arranged at four corners of the chassis frame 11, two wheels 12 at the front side of the chassis frame 11 are respectively driven by different driving motors 2, the lower slide rail 13 is arranged at the upper end surface of the chassis frame 11, the mounting frame 14 is arranged at the rear part of the two sides of the chassis frame 11, a battery pack 15 is arranged in the mounting frame 14, and the battery pack 15 is connected with the driving motor 2, the lifting motor 3 and the control system 6.

[0025] The two independent driving motors 2 respectively independently drive the wheels 12 at the front side of the chassis frame 11, independently drive and control the rotating speeds of the wheels 12 at the left and right sides of the front side, so that the differential steering function is realized. The battery pack 15 provides power for the whole battery quick replacement device.

[0026] Preferably, the driving motor 2 is an alternating current asynchronous motor, and the wheel 12 is a steel tire, which is small in size and stable in mechanism.

[0027] Further, the working frame 5 comprises a working table 51, a boss 52 and an upper slide rail 53, the working table 51 is arranged in a profiled mode and is attached to the bottom of a battery pack 8 of the shovel, the boss 52 is arranged at the upper end surface of the front side of the working table 51, and the upper slide rail 53 is arranged at the lower end surface of the working table 51.

[0028] The working table 51 can be perfectly attached to the bottom of the battery pack 8 of the shovel, and is beneficial to the dismounting, mounting and lifting of the battery pack 8. The boss 52 is used for limiting the battery pack 8, so that the battery pack 8 is prevented from sliding downward.

[0029] Further, the lifting scissor fork assembly 4 comprises a scissor fork structure 41, a scissor fork pin shaft 42, a first fixed shaft 43, a moving shaft 44, an upper pin shaft 45, a second fixed shaft 46, a lower sliding block 47 and an upper sliding block 48, the middle of the scissor fork structure 41 is rotatably fixed by the scissor fork pin shaft 42, one end of the lower part of the scissor fork structure 41 is connected with the chassis transmission system 1 through the first fixed shaft 43, and the other end is connected with the lower sliding block 47 through the moving shaft 44, the lower sliding block 47 is slidingly connected with the chassis transmission system 1; one end of the upper part of the scissor fork structure 41 is connected with the upper sliding block 48 through the upper pin shaft 45, and the other end is connected with the working rack 5 through the second fixed shaft 46; the moving shaft 44 and the first fixed shaft 43 are connected through a hydraulic oil cylinder 49, the lifting motor 3 is connected with the hydraulic oil cylinder 49, and the extension and retraction action of the hydraulic oil cylinder 49 is driven by hydraulic oil.

[0030] Further, the first fixed shaft 43 is connected with the chassis frame 11 of the chassis transmission system 1, and the lower sliding block 47 is connected with the lower sliding rail 13 of the chassis transmission system 1; the second fixed shaft 46 is connected with the workbench 51 of the working rack 5, and the upper sliding block 48 is connected with the upper sliding rail 53 of the working rack 5.

[0031] Further, the lower sliding block 47 is distributed and arranged on the left and right sides and is rigidly connected through the moving shaft 44; the upper sliding block 48 is distributed and arranged on the left and right sides and is rigidly connected through the upper pin shaft 45.

[0032] Further, the first fixed shaft 43 and the upper pin shaft 45 are arranged on the front side of the chassis frame 11, the moving shaft 44 and the second fixed shaft 46 are arranged on the rear side of the chassis frame 11, and the upper sliding rail 53 and the lower sliding rail 13 extend in the front-rear direction.

[0033] The extension and retraction action of the hydraulic oil cylinder 49 is controlled by the lifting motor 3, the hydraulic oil cylinder 49 drives the moving shaft 44 to move forward and backward, the moving shaft 44 drives the lower sliding block 47 to slide along the lower sliding rail 13, the upper pin shaft 45 is driven to move forward and backward through the limiting action of the scissor fork pin shaft 42, and then the upper sliding block 48 is driven to slide along the upper sliding rail 53, and the lifting and lowering action of the scissor fork assembly 4 is realized through the forward and backward movement of the upper sliding block 48 and the lower sliding block 47.

[0034] Further, the control system 6 and the lifting motor 3 are installed at the rear part of the working rack 5.

[0035] Further, the control system 6 controls the driving motor 2 and the lifting motor 3 to act through remote control.

[0036] The battery quick changing device of the underground mine electric shovel-truck machine is used for changing the battery pack 8 of the shovel-truck machine, and the battery pack 8 is combined with the rear frame and the battery pack 8 is an integral whole and cannot be disassembled. In the working mode, the battery pack 8 supplies power for the underground mine electric shovel-truck machine to realize normal operation of the shovel-truck machine. The operator observes the power of the battery pack 8 through the display screen on the shovel-truck machine. In the case that the power is insufficient, the shovel-truck machine is driven back to the battery charging and changing area or parked in place. The fixed pin shaft, which is connected between the battery pack 8 and the shovel-truck machine frame, is manually disassembled. Then, the remote control operation is performed to control the driving motor 2 to drive the wheel 12 to move, so that the battery quick changing device moves to the bottom of the battery pack 8 of the shovel-truck machine. The lifting motor 3 drives the working frame 5 to move upward to lift the battery pack 8. Then, the disassembly of the battery pack 8 is completed. Then, the driving motor 2 drives the wheel 12 to move, so that the battery quick changing device carries the disassembled battery pack 8 to the battery pack fixing tool 7 of the battery charging and changing area. After the new battery pack 8 is changed, the new battery pack 8 is transported to the rear part of the shovel-truck machine. The lifting motor 3 adjusts the height of the new battery pack 8. The new battery pack 8 is reassembled to the shovel-truck machine frame. The whole battery changing process is completed.

Claims

1. A battery quick change device for an electrically powered LHD for underground mining, characterized in that The utility model relates to a kind of shovel loader, including chassis transmission system (1), drive motor (2), lifting motor (3), lifting scissor fork assembly (4), working frame (5) and control system (6), the lifting scissor fork assembly (4) is installed above chassis transmission system (1), working frame (5) is installed above lifting scissor fork assembly (4), drive motor (2) is used to control the movement of chassis transmission system (1), lifting motor (3) is used to drive working frame (5) to move up and down, control system (6) is used to control the action of drive motor (2) and lifting motor (3).

2. The battery quick change device for an electric shovel for underground mining according to claim 1, characterized by: The chassis transmission system (1) includes chassis frame (11), wheels (12), lower slide rail (13) and mounting bracket (14), the wheels (12) are arranged at the four corners of the chassis frame (11), and the two wheels (12) on the front side of the chassis frame (11) are driven by different drive motors (2) respectively; the lower slide rail (13) is arranged on the upper end surface of the chassis frame (11), and the mounting bracket (14) is arranged on both sides of the rear part of the chassis frame (11), a battery pack (15) is installed in the mounting bracket (14), and the battery pack (15) is connected with the drive motor (2), the lifting motor (3) and the control system (6).

3. The battery quick change device for an electrically powered underground mining lorry-loader as claimed in claim 1, characterized in that: The working frame (5) includes a workbench (51), a boss (52) and an upper slide rail (53), the workbench (51) is shaped to fit the bottom of the battery pack (8) of the shovel loader, the boss (52) is arranged on the front upper end surface of the workbench (51), and the upper slide rail (53) is arranged on the lower end surface of the workbench (51).

4. The battery quick change device for an electrically powered underground mining lorry-loader according to claim 1, characterized in that: The lifting scissor fork assembly (4) includes a scissor fork structure (41), a scissor fork pin shaft (42), a first fixed shaft (43), a movement shaft (44), an upper pin shaft (45), a second fixed shaft (46), a lower sliding block (47) and an upper sliding block (48), the middle of the scissor fork structure (41) is rotatably fixed by the scissor fork pin shaft (42), one end of the lower part of the scissor fork structure (41) is connected with the chassis transmission system (1) by the first fixed shaft (43), the other end is connected with the lower sliding block (47) by the movement shaft (44), and the lower sliding block (47) is slidably connected with the chassis transmission system (1); one end of the upper part of the scissor fork structure (41) is connected with the upper sliding block (48) by the upper pin shaft (45), and the other end is connected with the working frame (5) by the second fixed shaft (46); the movement shaft (44) and the first fixed shaft (43) are connected by a hydraulic oil cylinder (49), the lifting motor (3) is connected with the hydraulic oil cylinder (49), and the extension and retraction of the hydraulic oil cylinder (49) is driven by hydraulic oil.

5. The battery quick change device for an electrically powered underground mining lorry-loader as claimed in claim 4, characterized in that: The first fixed shaft (43) is connected with the chassis frame (11) of the chassis transmission system (1), and the lower sliding block (47) is connected with the lower slide rail (13) of the chassis transmission system (1); The second fixed shaft (46) is connected with the workbench (51) of the working frame (5), and the upper sliding block (48) is connected with the upper slide rail (53) of the working frame (5).

6. The battery quick change device for an electrically powered underground mining lorry according to claim 4, characterized in that: The lower slide block (47) is arranged in two, left and right, and is rigidly connected through a movement shaft (44); the upper slide block (48) is arranged in two, left and right, and is rigidly connected through an upper pin shaft (45).

7. The battery quick change device for an electrically powered underground mining lorry-loader according to claim 4, characterized in that: The first fixed shaft (43) and the upper pin shaft (45) are arranged on the front side of the chassis frame (11), the movement shaft (44) and the second fixed shaft (46) are arranged on the rear side of the chassis frame (11), and the upper slide rail (53) and the lower slide rail (13) extend in the front-rear direction.

8. The battery quick change device for an electrically powered underground mining lorry-loader according to claim 1, characterized in that: The control system (6) and the lifting motor (3) are installed at the rear of the working frame (5).

9. The battery quick change device of an electric shovel for underground mines according to claim 1 or 8, characterized in that: The control system (6) controls the driving motor (2) and the lifting motor (3) to act through remote control.

Images