CN215154064U

CN215154064U - Battery replacing device for mining explosion-proof electric vehicle

Info

Publication number: CN215154064U
Application number: CN202121216263.8U
Authority: CN
Inventors: 陶鹏飞; 方文杰; 党宏文; 张乐文; 马雪峰; 严忠波; 桑涛
Original assignee: Changzhou Development and Manufacture Center Co Ltd
Current assignee: Changzhou Development and Manufacture Center Co Ltd
Priority date: 2021-06-01
Filing date: 2021-06-01
Publication date: 2021-12-14
Anticipated expiration: 2031-06-01

Abstract

The utility model belongs to the technical field of explosion-proof electric motor car, concretely relates to mining explosion-proof electric motor car trades electric installation. The utility model comprises two quick-change components symmetrically arranged on the girders at both sides of the explosion-proof electric vehicle, wherein each quick-change component comprises two quick-change mechanisms oppositely arranged at one side of the girder; the utility model adopts two quick-change components symmetrically installed on the girders at the two sides of the vehicle, so as to realize that the battery pack is changed from the two sides of the explosion-proof electric vehicle, the battery packs at the two sides of the vehicle can be changed simultaneously, thereby saving the changing time, and the quick-change mechanism is provided with a first loosening connecting rod and a positioning pin, so that the changing position of the battery pack is more accurate; the quick-change connector realizes the connection between the battery pack and the vehicle by adopting a hand wheel rotating mode, and has convenient operation, safety and reliability. The utility model discloses a trade electric system under the prerequisite that does not influence the car production in mining area, it is long to have solved mining area auxiliary transportation with explosion-proof electric motor car charge time after shift change, and the service life is short problem is showing the availability factor and the frequency that improve the vehicle.

Description

Battery replacing device for mining explosion-proof electric vehicle

Technical Field

The utility model belongs to the technical field of explosion-proof electric motor car, concretely relates to mining explosion-proof electric motor car trades electric installation.

Background

In recent years, the electric vehicle industry in China is rapidly developed, and the construction of battery charging and replacing infrastructure is also increased on the premise that the country strongly supports the development of new energy vehicles. The existing auxiliary transportation equipment in the coal mine industry is still more traditional, wherein 80% of the auxiliary transportation equipment is a diesel power vehicle, the diesel power vehicle generally has the problems of high potential safety hazard, high pollution, high energy consumption, low efficiency, short service life, low intelligent level and the like, and the auxiliary transportation equipment has been popularized and applied to part of underground explosion-proof electric vehicles.

However, due to the high requirement of underground explosion prevention of the coal mine, the existing explosion-proof electric vehicle has high reconditioning quality, low battery energy density and long-term endurance which become short plates of the existing explosion-proof electric vehicle. When the explosion-proof new energy electric vehicle is widely popularized in a mining area, the problem of endurance of the explosion-proof new energy electric vehicle is solved. Most of the civil battery replacement stations replace batteries for the chassis, and the battery pack carried by the electric car is small in size and light in weight, and is not suitable for quick replacement of the battery pack of the mining electric car. The utility model discloses under the prerequisite of the car production that does not influence the mining area, it is long to have solved mining area auxiliary transportation with explosion-proof electric motor car charge time after shift change, and the life cycle is short problem is showing the availability factor and the frequency that improve the vehicle.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the defect that the explosion-proof electric motor car charge time that exists among the prior art is long, continuation of the journey is short, providing one kind and showing the lower mining explosion-proof electric motor car of availability factor and frequency, the potential safety hazard that improves explosion-proof electric motor car and trade electric installation.

The utility model provides a technical scheme that its technical problem adopted is:

a mining explosion-proof electric vehicle battery replacing device comprises two quick-change assemblies symmetrically arranged on girders on two sides of an explosion-proof electric vehicle, wherein each quick-change assembly comprises two quick-change mechanisms oppositely arranged on one side of the girder; the quick-change mechanism comprises a quick-change shell fixedly mounted on a crossbeam of the anti-explosion electric vehicle, a T-shaped lead screw mounted in the quick-change shell, a first lead screw slide block and a second lead screw slide block which are in matched connection with the T-shaped lead screw, and a first loosening connecting rod which is mounted on a first ratchet wheel which is coaxially arranged at the end part of the quick-change shell and is in matched connection with the input end of the T-shaped lead screw; the first lead screw sliding block and the second lead screw sliding block are fixedly provided with a positioning block which is connected with the lock tongue in a clamping mode and a positioning hole which is used for positioning the fork.

Furthermore, the positioning block comprises a fixing frame fixed below the battery pack and a bolt fixed on the fixing frame.

Furthermore, both ends of the quick-change shell are provided with positioning pins matched with the round holes in the wedge-shaped locking blocks.

Furthermore, the quick-change connector is arranged at the head part of a crossbeam of the explosion-proof electric vehicle; the quick-change connector comprises a mounting seat fixedly mounted on a crossbeam of the explosion-proof electric vehicle, a hand wheel mounted on the mounting seat, a second ratchet wheel and a gear which are coaxially arranged with the hand wheel, and a jacking rack in meshed connection with the outside of the gear; the output end of the jacking rack is fixedly provided with a vehicle end butt joint; and a second anti-loosening connecting rod used for locking the second ratchet wheel is arranged on the mounting seat.

Further, a battery end-to-end connector corresponding to the vehicle end-to-end connector is mounted on the battery pack.

The utility model discloses a mining explosion-proof electric motor car trades electric installation's beneficial effect is:

1. the utility model adopts two quick-change components symmetrically installed on the girders at the two sides of the vehicle, so as to realize that the battery pack is changed from the two sides of the explosion-proof electric vehicle, the battery packs at the two sides of the vehicle can be changed simultaneously, thereby saving the changing time, and the quick-change mechanism is provided with a first loosening connecting rod and a positioning pin, so that the changing position of the battery pack is more accurate; the quick-change connector realizes the connection between the battery pack and the vehicle by adopting a hand wheel rotating mode, and has convenient operation, safety and reliability.

2. The utility model discloses a trade battery system overall structure compactness, convenient operation, and be equipped with wheel compensation mechanism, can assist the accurate positioning who waits to trade battery package and vehicle, under the prerequisite that does not influence the car production in mining area, it is long to have solved mining area auxiliary transportation with explosion-proof electric motor car shift back charge time, the problem of continuation of the journey weak point, is showing the availability factor and the frequency that improve the vehicle.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a perspective view of a quick-change mechanism according to an embodiment of the present invention;

fig. 2 is a schematic partial structural view of a quick-change mechanism according to an embodiment of the present invention;

fig. 3 is a perspective view of a quick-change connector according to an embodiment of the present invention;

fig. 4 is a schematic partial structural view of a quick-change connector according to an embodiment of the present invention;

fig. 5 is an installation diagram of the battery replacement device and the explosion-proof electric vehicle according to the embodiment of the present invention;

fig. 6 is a schematic structural diagram of a positioning block of a battery pack according to an embodiment of the present invention;

fig. 7 is a schematic view of an installation structure of a battery pack and a quick-change device according to an embodiment of the present invention;

fig. 8 is a schematic view of a disassembly structure of a battery pack and a quick-change device according to an embodiment of the present invention;

fig. 9 is a schematic view of the overall structure of the battery replacement system according to the embodiment of the present invention;

fig. 10 is a schematic structural view of a power change bin according to an embodiment of the present invention;

fig. 11 is a flowchart of a power swapping method according to an embodiment of the present invention.

In the figure, 1, an explosion-proof electric vehicle, 2, a battery storage bin, 21, a charging bin, 22, a temporary storage bin, 3, a battery pack, 31, a positioning block, 311, a fixing frame, 312, a wedge-shaped locking block, 32, a positioning hole, 4, an electricity changing stacker system, 41, a ground rail mechanism, 42, a sky rail mechanism, 43, an electricity changing robot, 5, a wheel compensation mechanism, 6, an electricity changing device, 61, a quick-changing mechanism, 611, a quick-changing shell, 612, a T-shaped lead screw, 613, a first lead screw slider, 614, a second lead screw slider, 616, a first ratchet, 617, a first anti-loosening connecting rod, 618, a bolt, 619, a positioning pin, 62, a quick-changing connector, 621, a mounting seat, 622, a hand wheel, 623, a second ratchet, 624, a jacking rack, 625, a vehicle end butt joint, 626, a second connecting rod, 627, a connector shell, 7, a battery end butt joint, 8 and a battery charging mechanism.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

As shown in fig. 1-11, the embodiment of the battery replacing device for the mining explosion-proof electric vehicle of the present invention comprises two quick-change assemblies symmetrically mounted on the girders at the two sides of the explosion-proof electric vehicle 1 and a quick-change connector 62 mounted at the head of the girder of the explosion-proof electric vehicle 1; the quick-change assembly comprises a quick-change mechanism 61 which is oppositely arranged on one side of the vehicle girder; the quick-change mechanism 61 comprises a quick-change housing 611 fixedly mounted on a girder of the explosion-proof electric vehicle 1, a T-shaped lead screw 612 mounted inside the quick-change housing 611, a first lead screw slider 613 and a second lead screw slider 614 which are in fit connection with the T-shaped lead screw 612, a first ratchet 616 mounted at the end of the quick-change housing 611 and coaxially arranged with the input end of the T-shaped lead screw 612, and a first release connecting rod 617 rotatably mounted on the quick-change housing 611 and in fit connection with the first ratchet 616; the first lead screw slider 613 and the second lead screw slider 614 are both fixedly provided with a lock tongue 618. As shown in fig. 6 and 7, the battery pack 3 is provided with a positioning block 31 for engaging with the first lead screw slider 613 and the second lead screw slider 614, and a positioning hole 32 for positioning the fork. The positioning block 31 comprises a fixing frame 311 fixed below the battery pack 3 and a wedge-shaped locking block 312 fixed on the fixing frame 311 and matched with the bolt 618; the two ends of the quick-change housing 611 are provided with positioning pins 619 which are matched with the wedge-shaped locking pieces 312. When the battery pack 3 is locked with the quick-change mechanism 61, the wedge-shaped locking piece 312 is connected with the locking tongue 618 in a matching manner, and the positioning hole 32 on the wedge-shaped locking piece 312 is fixedly positioned with the quick-change mechanism 61 through the positioning pin 619. The first lead screw block 613 and the second lead screw block 614 move relatively on the T-shaped lead screw 612.

Referring to fig. 3 and 4, combine the battery package 3 that fig. 7 and 8 are shown simultaneously and dismantle the schematic diagram with quick change device 6's installation, the utility model discloses be provided with two locating pins 619 on the quick change mechanism 61 of embodiment, the X and the Y direction of spacing battery package 3, Z is spacing to adopting the tapered wedge formula, unblock or when locking quick change mechanism 61 and battery package 3, the manual work is twisted T type lead screw 612 through the moment of torsion rifle, T type lead screw 612 drives first slider and second slider and drives spring bolt 618 axial motion, pin the inclined plane of battery package 3 ground mounting, thereby reach locking battery package 3, first ratchet 616 plays the function of relaxing simultaneously, during the unblock, the operating personnel other hand need break off with the fingers and thumb and prevent sending the connecting rod, can the unblock.

The quick-change connector 62 comprises a mounting seat 621 fixedly mounted on a girder of the explosion-proof electric vehicle 1, a hand wheel 622 mounted on the mounting seat 621, a second ratchet 623 and a gear which are coaxially arranged with the hand wheel 622, and a jacking rack 624 which is in meshed connection with the outside of the gear; the output end of the jacking rack 624 is fixedly provided with a vehicle end butt joint 625; the mounting seat 621 is provided with a locking link for locking the ratchet. Battery pack 3 has battery end-to-end connector 7 mounted thereon, which corresponds to vehicle end-to-end connector 625. After the battery pack 3 is placed, the hand wheel 622 is manually rotated to drive the gear to push the jacking rack 624, and the vehicle end joint 625 is pushed upwards into the battery pack 3 end joint. During unlocking, the second anti-loosening connecting rod 626 is manually pulled, the hand wheel 622 rotates reversely, and the jacking rack 624 drives the vehicle end joint 625 to move downwards to be separated from the battery pack 3.

Referring to fig. 9, the battery replacement system of the mining explosion-proof electric vehicle 1 comprises a battery storage bin 2 for storing a battery pack 3; a battery charging mechanism 8 for charging the battery pack 3 stored in the battery storage container 2; the battery replacing and stacking machine system 4 is used for taking out the used battery pack 3 from the electric car, placing the battery pack in the battery storage bin 2, and taking out a new battery pack 3 from the battery storage bin 2 to be installed on the electric car; the wheel compensation mechanism 5 is used for adjusting the electric vehicle to a proper position, the wheel compensation mechanism 5 is a wheel guiding and positioning device of the vehicle, and comprises a guiding and positioning component, and a first guiding and positioning component is provided with a surface which is obliquely arranged so as to be suitable for being in contact with a rolling surface of the wheel, so that the wheel of the vehicle is limited; the second guiding and positioning assembly comprises a guide piece capable of rotating towards any direction, and the guide piece is arranged on the inclined surface of the second guiding and positioning assembly, so that the second guiding and positioning assembly is suitable for guiding and positioning the wheel. Through the matching of the first guide positioning assembly and the second guide positioning assembly, after the wheel moves to the wheel guide positioning device, the wheel can be accurately and rapidly guided and positioned in the X direction and the Y direction, the parking position of the vehicle can be ensured to be more accurate, the friction force of the wheel in the position correction process can be reduced, the guide positioning of the wheel can be more smooth, and the abrasion to the wheel can be reduced; and the battery replacing device 6 is used for rapidly replacing the battery pack 3 on the electric car. The battery charging mechanism 8 comprises a charging connector and a charging module which are arranged in the battery storage bin 2, the charging connector is electrically connected with the charging module, and the charging connector is electrically connected with the battery pack 3 which is arranged in the battery storage bin 2.

As shown in fig. 10, the battery storage bin 2 has three charging bins 21 on the left and right, and one temporary storage bin 22 on the left and right, the charging bin is placed in the middle of the left and right charging bins 21, the battery changing station control cabinet is arranged at the end of the battery storage bin 2, in the using process, the replaced battery pack 3 is placed in the temporary storage bin 22 temporarily, the battery changing stacker system 4 is used for moving a new battery pack 3 to an accurate replacing position, the forks of the battery changing robot 43 push the battery pack 3 into the battery rack of the electric vehicle from the two sides of the electric vehicle, the replaced battery pack 3 is placed in the charging bin 21 by the forks, and the battery changing station control cabinet controls the charging of the battery pack 3.

The battery replacing stacker system 4 comprises ground rail mechanisms 41 symmetrically arranged on the ground, sky rail mechanisms 42 symmetrically arranged on the battery storage bin 2, and a battery replacing robot 43 arranged between the ground rail mechanisms 41 and the sky rail mechanisms 42. Trade electric robot 43 level and move to car end battery package 3 position, control fork to the bottom of battery package 3, trade the height of electric robot 43's front and back tip has solitary motor control, can control battery package 3 direction of height and avoid the phenomenon that battery package 3 inclines that highly exists the difference and lead to behind the car before owing to the car. The battery changing robot 43 is also provided with a push disc, and after the battery pack 3 is placed into the charging bin 21, the angle of the trolley bus at the station entering end can be compensated.

The embodiment of the utility model provides an in wheel compensation mechanism 5 include front wheel compensation mechanism and rear wheel compensation mechanism, and concrete structure does not do detailed introduction for prior art.

The battery replacing method of the battery replacing device of the mining explosion-proof electric vehicle comprises the following steps as shown in fig. 11:

s1, the explosion-proof electric vehicle 1 is driven into a power exchanging station by a driver, wheels are positioned on a wheel compensation mechanism 5 of the power exchanging station, and vehicles which are not parked are adjusted;

s2, after the driver stops normally, the wheel compensation mechanism 5 adjusts the position of the vehicle, the operator separates the quick-change explosion-proof connector of the battery pack 3 of the explosion-proof electric vehicle 1 from the whole vehicle, and then breaks the anti-loose connecting rod to unlock the limit of the battery pack 3 and the auxiliary frame of the whole vehicle;

s3, the position of the battery replacing stacker crane system 4 is automatically adjusted, the fork arms are inserted into the fork positioning blocks 31 of the battery pack 3, the lifting height and direction of the battery pack 3 are controlled, the battery pack 3 is separated from the frame and then is moved to the battery replacing cabin, and the charging explosion-proof connector is manually locked by an operator;

s4, automatically moving the charged battery pack 3 quick-change connector 62 to the vehicle end by the battery changing stacker crane system 4 after being separated from the charging cabinet, placing the battery pack 3 on an auxiliary frame of the whole vehicle, and manually locking the explosion-proof connector and the battery pack 3 anti-loose connecting rod by an operator;

s5, the previous operation is repeated to replace the battery pack 3 on the other side of the vehicle.

And S6, after the vehicle battery replacement is finished, the driver drives the vehicle away from the battery replacement station to continuously work.

After the above step S6, the operator controls the charging cabinet to charge the replaced battery pack 3 as the backup battery pack 3.

The anti-explosion electric vehicle 1 is driven into a battery replacing station by a driver, wheels of the anti-explosion electric vehicle are located in a wheel compensation mechanism 5 of the battery replacing station and used for adjusting the improper stopping of the vehicle, after the driver normally stops the vehicle, an operator separates a quick-change anti-explosion connector of a battery pack 3 of the anti-explosion electric vehicle 1 from a whole vehicle, then the anti-loosening connecting rod is pulled off, and the limit of the battery pack 3 and a sub-frame of the whole vehicle is unlocked. Trade electric hacking machine system 4 automatic adjustment position, the yoke inserts in the fork locating piece 31 of battery package 3, control battery package 3 lifts height and direction, move battery package 3 to the storehouse of trading after separating from the frame and by the artifical locking explosion-proof connector that charges of operator, the operator will charge 3 quick change connectors of battery package 62 of the cabinet of charging break away from the back and move to the vehicle end by trading electric hacking machine system 4 is automatic, and place battery package 3 on the whole car sub vehicle frame, the artifical locking explosion-proof connector of operator and the locking connecting rod of battery package 3. The previous operation is repeated, and the other battery pack 3 of the vehicle is replaced. After the vehicle is switched with the electricity, a driver drives the vehicle away from the electricity switching station to continuously work. The operator controls the charging cabinet to charge the battery pack 3 as the backup battery pack 3.

The utility model discloses a quick battery replacement system can change into full automatization system with semi-automatization, increases the vision positioning system, and the automatic shooting of X/Y/Z three directions is calculated the size, and feeds back to PLC and compensates; the automatic tightening system is changed from a simple tightening gun to an automatic tightening system, automatic stretching and automatic tightening are needed, the number of tightening turns is counted, an independent system is communicated with a PLC, the whole system is upgraded from semi-automatic manual control to full-automatic control, a sensor is added, position confirmation feedback is carried out, all motors are changed from common motors to servo motors, the battery replacement robot 43 is upgraded to full-automatic, and a battery replacement robot 43 control cabinet is added.

It should be understood that the above description of the specific embodiments is only for the purpose of explanation and not for the purpose of limitation. Obvious changes or variations caused by the spirit of the present invention are within the scope of the present invention.

Claims

1. The utility model provides a mining explosion-proof electric motor car trades electric installation which characterized in that: the quick-change device comprises two quick-change assemblies which are symmetrically arranged on girders on two sides of an anti-explosion electric vehicle (1), wherein the quick-change assemblies are used for replacing a battery pack (3) of the anti-explosion electric vehicle; the quick-change assembly comprises two quick-change mechanisms (61) which are oppositely arranged on one side of the vehicle girder; the quick-change mechanism (61) comprises a quick-change housing (611) fixedly mounted on a girder of the explosion-proof electric vehicle (1), a T-shaped lead screw (612) mounted inside the quick-change housing (611), a first lead screw slider (613) and a second lead screw slider (614) which are in matched connection with the T-shaped lead screw (612), a first ratchet wheel (616) mounted at the end of the quick-change housing (611) and coaxially arranged with the input end of the T-shaped lead screw (612), and a first loosening connecting rod (617) rotatably mounted on the quick-change housing (611) and in matched connection with the first ratchet wheel (616); the first lead screw sliding block (613) and the second lead screw sliding block (614) are both fixedly provided with a lock tongue (618); the battery pack (3) is provided with a positioning block (31) clamped with the lock bolt (618) and a positioning hole (32) used for positioning the fork.

2. The mining explosion-proof electric vehicle battery replacing device according to claim 1, characterized in that: the positioning block (31) comprises a fixing frame (311) fixed below the battery pack (3) and a wedge-shaped locking block (312) fixed on the fixing frame (311) and matched with the lock tongue (618).

3. The mining explosion-proof electric vehicle battery replacing device according to claim 2, characterized in that: and positioning pins (619) matched with the round holes in the wedge-shaped locking blocks (312) are arranged at two ends of the quick-change shell (611).

4. The mining explosion-proof electric vehicle battery replacing device according to claim 3, characterized in that: the anti-explosion electric vehicle is characterized by also comprising a quick-change connector (62) arranged at the head part of a girder of the anti-explosion electric vehicle (1); the quick-change connector (62) comprises a mounting seat (621) fixedly mounted on a girder of the explosion-proof electric vehicle (1), a hand wheel (622) mounted on the mounting seat (621), a second ratchet wheel (623) and a gear which are coaxially arranged with the hand wheel (622), and a jacking rack (624) in external meshing connection with the gear; the output end of the jacking rack (624) is fixedly provided with a vehicle end butt joint (625); and a second anti-loosening connecting rod (626) used for locking the second ratchet wheel (623) is arranged on the mounting seat (621).

5. The mining explosion-proof electric vehicle battery replacing device according to claim 4, characterized in that: and a battery end-to-end joint (7) corresponding to the vehicle end-to-end joint (625) is arranged on the battery pack (3).