CN108860090B - Battery replacing method for batteries below rear floor of electric vehicle - Google Patents

Battery replacing method for batteries below rear floor of electric vehicle Download PDF

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Publication number
CN108860090B
CN108860090B CN201810362632.0A CN201810362632A CN108860090B CN 108860090 B CN108860090 B CN 108860090B CN 201810362632 A CN201810362632 A CN 201810362632A CN 108860090 B CN108860090 B CN 108860090B
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China
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battery
electric automobile
arm
rear floor
cylinder
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CN108860090A (en
Inventor
梁金山
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Chongqing Ruilan Automobile Manufacturing Co.,Ltd.
Lifan Technology Group Co Ltd
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Lifan Industry Group Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S5/00—Servicing, maintaining, repairing, or refitting of vehicles
    • B60S5/06—Supplying batteries to, or removing batteries from, vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

The invention discloses a battery replacing method for a battery below a rear floor of an electric automobile, which comprises the following steps of 1, taking out an under-charged battery below the upper rear floor of the electric automobile from an automobile body; step 2, assembling a full-charge battery at a battery installation station below a rear floor of the electric automobile; the method is characterized in that in the step 1, after the electric automobile is parked to a designated electric automobile battery replacement station, the battery is taken and placed by means of an electric automobile battery replacement mechanical arm with a lever structure; when the electric automobile is taken and placed, the fulcrum of the lever mechanism is located outside the electric automobile, the power-assisted cylinder outside the fulcrum serves as a force application component to apply force to one end of the lever mechanism, so that the other end of the lever mechanism extends into the electric automobile body in an arc direction and fixes the battery, and then the lever mechanism applies force and takes out the battery from the electric automobile body in the arc direction. The invention has the advantages of more convenient operation, improved electricity changing efficiency and better reduction of collision with the rear door frame and the rear door.

Description

Battery replacing method for batteries below rear floor of electric vehicle
Technical Field
The invention relates to the technical field of automobiles; in particular to a battery replacing method for batteries below a rear floor of an electric automobile.
Background
The electric automobile uses electric power as energy and is a green vehicle. Specifically, the electric vehicle is equipped with a battery, which provides a power source for the electric vehicle. Since the electric energy stored in the battery of the electric vehicle is constant, the distance that the electric vehicle can travel without being charged is limited. In order to make the electric vehicle travel longer, there are some charging stations installed on the road side to provide charging for the electric vehicle. The charging station is similar to a gas station of a common automobile, and when the battery of the electric automobile is consumed or is about to be consumed, the electric automobile can charge the battery in the charging station; when the battery is fully charged, the electric vehicle can continue to run. When the electric vehicle charges the battery in the charging station, the electric vehicle needs to stop for a long time for waiting, and the waiting time is two hours less and seven-eight hours more.
Therefore, the applicant supplements energy for the electric vehicle in a battery replacement mode, and needs to take the undercharged battery inserted and installed on the electric vehicle down from the battery installation position on the vehicle and transport the undercharged battery to a charging station or a containing station in the process of completing the battery replacement of the electric vehicle; and then transferring the full-charge battery from the charging station to a battery mounting position on the electric automobile, and inserting and mounting the full-charge battery. And finishing the battery replacement operation.
The transfer process of the undercharged battery and the fully charged battery is usually carried out by pure manpower, and the two transfer steps are completed by pure manpower, so that the defects of low automation degree, low transfer efficiency and high labor intensity exist.
Moreover, the battery of the electric vehicle is usually installed at a position below a front cover plate of the vehicle and a position below a rear floor in a compartment of the vehicle, and the step of taking out the battery from the body of the electric vehicle is completed manually, so that the battery is hard to take out, and the battery is inconvenient to take out.
Moreover, when the battery below the rear floor is taken and placed, the door of the electric vehicle is opened, so that the movement range of the corresponding equipment for taking and placing the battery in the horizontal direction is limited, and the operation is inconvenient. Meanwhile, the corresponding equipment for taking and placing the battery is easy to collide and scrape with the door frame and the vehicle door, so that the working efficiency is reduced, and the labor intensity is increased.
Therefore, how to provide a method for replacing a battery below a rear floor of an electric vehicle, which is more convenient to operate, can improve battery replacement efficiency, and can better reduce the collision with a rear door frame and a rear door, is a technical problem to be solved by a person skilled in the art.
Disclosure of Invention
Aiming at the defects of the prior art, the technical problems to be solved by the invention are as follows: how to provide a more convenient operation, can improve and trade electric efficiency, reduction that can be better and back door frame and back door produce the electric method of trading of electric automobile rear floor below battery that collides.
In order to solve the technical problems, the invention adopts the following technical scheme:
a battery replacing method under a rear floor of an electric automobile comprises the steps of 1, taking out an under-charged battery under the upper rear floor of the electric automobile from an automobile body; step 2, assembling a full-charge battery at a battery installation station below a rear floor of the electric automobile; the method is characterized in that in the step 1, after the electric automobile is parked to a designated electric automobile battery replacement station, the battery is taken and placed by means of an electric automobile battery replacement mechanical arm with a lever structure; when the electric automobile is taken and placed, the fulcrum of the lever mechanism is located outside the electric automobile, the power-assisted cylinder outside the fulcrum serves as a force application component to apply force to one end of the lever mechanism, so that the other end of the lever mechanism extends into the electric automobile body in an arc direction and fixes the battery, and then the lever mechanism applies force and takes out the battery from the electric automobile body in the arc direction.
In the technical scheme, the battery in the electric automobile body is taken out by depending on the lever principle, and during actual operation, the electric automobile battery replacement mechanical arm enters the automobile body in the direction of an arc line and takes out the battery from the inside of the automobile body in the direction of the arc line; two movement tracks are reversible, when a worker operates the electric automobile battery replacing mechanical arm, the electric automobile battery replacing mechanical arm is controlled to be prevented from colliding with and scraping the automobile body in the step of entering the automobile body in the arc direction, and the electric automobile battery replacing mechanical arm can be prevented from colliding with and scraping the automobile body in the step of taking out the battery. Therefore, the whole operation process is simpler, and the electric automobile battery replacement mechanical arm is conveniently controlled by a worker to reduce the risk of collision and scraping with the automobile body.
As optimization, the step 1 comprises the following steps that a, after the electric automobile is driven to a specified electric automobile battery replacement station, a rear door of the electric automobile is opposite to a rear floor battery taking and placing mechanism, and the rear door of the electric automobile is opened; b, translating the rear floor battery pick-and-place mechanism forwards and downwards in a direction close to the electric automobile by a parabolic motion track, so that the rear floor battery pick-and-place mechanism extends into the automobile body of the electric automobile and is positioned above the rear floor; c, horizontally moving a sucking disc used for taking and placing the battery in the floor battery taking and placing mechanism along the width direction of the electric automobile body, enabling the sucking disc to face the exposed battery to be taken down, and carrying out adsorption connection on the battery; and d, lifting the battery to separate the battery from the mounting station, and translating the rear floor battery pick-and-place mechanism which is connected with the battery in an adsorbing manner backwards and upwards in a direction back to the electric automobile along the parabolic motion track, so that the battery is taken out of the electric automobile body, and the battery is taken out.
In the technical scheme, compared with the traditional method that the rear floor battery taking and placing mechanism extends into the vehicle body in a horizontal rotating and horizontal moving mode, the power taking method has the advantages that the operation is more convenient, the power taking can be completed more quickly, and the power changing efficiency is improved; and make the rear floor battery pick and place the mechanism and stretch into the automobile body through the parabola mode, because the rear floor battery pick and place the mechanism and be fixed for the interval of door frame front and back, operating personnel only need guarantee it not with two edges about the door frame bump can, convenient operation uses. The risk of collision with the back door frame and the back door can be better reduced.
And preferably, the step a comprises the step of translating the rear floor battery taking and placing mechanism backwards and upwards for a certain distance in a direction back to the electric automobile battery changing station by a parabolic motion track.
After the operation, the distance between the rear floor battery taking and placing mechanism and the electric automobile battery changing station is larger, the electric automobile needing to be changed can be conveniently driven to the electric automobile battery changing station by a worker, and the collision and scraping between the rear floor battery taking and placing mechanism and the electric automobile battery changing station caused by the operation are reduced.
Preferably, the step d further comprises moving the sucker with the battery attached to the sucker to an extreme position in a direction away from the body of the electric automobile.
Like this, can make whole back floor battery get put the mechanism and take the area that the mechanism took in electric automobile inside littleer, conveniently take out the battery, on the other hand can make and to adsorb the required power when being connected with the back floor battery of battery and get put the mechanism and remove the automobile body littleer, convenient operation improves battery transportation efficiency.
Preferably, the step d further comprises the step of taking the battery out of the electric automobile body, and then horizontally rotating the rear floor battery taking and placing mechanism to enable the rear floor battery taking and placing mechanism to move to a safe distance in a direction away from the automobile door.
Therefore, the rear floor battery taking and placing mechanism has a safe distance from the vehicle door, and the subsequent operation can be facilitated.
As optimization, the following electric automobile battery replacement mechanical arm is adopted to realize the taking and the placing of the battery; the electric automobile battery replacement mechanical arm comprises an upright post, a connecting block is arranged on one side of the upright post, and a connecting block vertical translation control mechanism for controlling the connecting block to translate in the vertical direction is arranged between the connecting block and the upright post; a horizontal rotating arm is arranged on one side of the connecting block in the horizontal direction, one end of the rotating arm is rotatably connected to the connecting block and forms a rotating center, and the rotating arm can horizontally rotate around the rotating center; a battery taking and placing mechanism is arranged below one end of the rotating arm, which is far away from the connecting block, and comprises a plurality of sucking discs with suction ports arranged downwards;
the battery picking and placing mechanism is a rear floor battery picking and placing mechanism, the rear floor battery picking and placing mechanism comprises an execution arm which is vertically arranged, a horizontal cross arm is arranged below the execution arm, and a cross arm translation control mechanism for controlling the cross arm to translate along the length direction of the cross arm is arranged between the cross arm and the execution arm; the lower surface of the cross arm is connected with a mounting rack, and the sucker is mounted on the mounting rack;
the executing arm comprises an executing arm upper section which is vertically arranged, the upper end of the executing arm upper section is connected to the rotating arm in a way that the upper end of the executing arm upper section can rotate along the axis of the executing arm, the lower end of the executing arm upper section is connected with an executing arm inclined section which is obliquely and downwards arranged, and the lower end of the executing arm inclined section is also connected with an executing arm lower section which is vertically and downwards arranged; the lower end of the lower section of the execution arm is provided with a sliding block structure which is matched with the sliding groove and can be connected in the sliding groove in a sliding way.
Therefore, when the structure is applied to taking and placing the batteries below the rear floor of the electric automobile, the corresponding rear door on the electric automobile is opened, the corresponding part on the battery taking and placing mechanism extends into the automobile body, the horizontal rotation of the execution arm can be blocked due to the rear door frame in the subsequent operation, at the moment, the position of the cross arm in the horizontal direction can be adjusted only by the cross arm translation control mechanism, the cross arm moves along the length direction of the cross arm, the horizontal position of the sucker below the installation frame is reached, the sucker is used for taking and placing the batteries in the corresponding position, after the sucker sucks the batteries in the corresponding position, the cross arm is moved horizontally, the taken and placed batteries are located below the lower end of the execution arm just right opposite, the length of the force arm is reduced, more labor is saved in the subsequent operation steps, and the battery replacement efficiency is improved. In the operation steps, the execution arm is provided with the execution arm inclined section which is obliquely and downwards arranged, so that the execution arm inclined section which is obliquely and downwards arranged in the steps c and e can avoid the upper edge of the door frame in the whole parabolic motion track, the rotation operation on the horizontal plane is reduced, the whole operation steps are simpler, and the battery transfer efficiency is improved.
Preferably, the cross arm translation control mechanism comprises a sliding groove which is arranged on the cross arm and arranged along the length direction of the cross arm, and the lower end of the execution arm is connected in the sliding groove in a sliding fit mode.
Thus, the structure is simpler, and the operation and the use are convenient.
As optimization, two operation tables are symmetrically arranged on the upper surface of the cross arm along the length direction of the cross arm, and operation handles are arranged on the upper surfaces of the operation tables in pairs; the mounting rack is connected to the lower surface of the cross arm corresponding to one of the operation tables.
Like this, set up the operation panel respectively at xarm length direction's both ends, design like this, when going to get the battery of the floor below far side behind the electric automobile, the staff can conveniently keep away from one side of carrying out the arm on the car and operate, has the advantage of convenient operation.
Preferably, the upper surface of the operating platform is an inclined surface with the outer side inclined downwards.
Therefore, the installation operation handle is arranged to be the inclined surface, the inclined surface inclines downwards towards the operator, and the operation of the operator can be facilitated.
Preferably, a vertically arranged rotating shaft is further arranged between the lower section of the executing arm and the cross arm, the upper end of the rotating shaft is rotatably connected to the lower end of the lower section of the executing arm, and the lower end of the rotating shaft is of a sliding block structure which is matched with the sliding groove and is slidably connected into the sliding groove.
Therefore, when the battery storage rack is used, the transverse span range of the battery storage rack, which can be taken and placed by the suckers below the cross arm, is larger by horizontally rotating the cross arm. When the device is used, the cross arm slides outwards to the maximum position, the sucker is right above the battery, and after the sucker is connected with the battery in an adsorption mode, the cross arm is moved transversely, so that the taken-out battery is close to the execution arm, and the moment applied to the execution arm can be smaller; conveniently get when putting the battery of putting the electric automobile rear floor below faraway side convenient operation, effectual protection actuating arm. When the battery on the near side below the rear floor of the electric automobile is taken and placed, the cross arm is rotated by 180 degrees, and the cross arm is transversely moved to enable the sucker to be right above the battery, so that the moment applied to the actuating arm is smaller when the battery on the near side is taken and placed. By adopting the design, the length of the cross arm is smaller, and meanwhile, the battery taking and placing at the near side and the far side below the rear floor is met. And the cross arm is shorter, so that the cross arm can conveniently rotate in the vehicle body, and the operation is convenient.
As optimization, a rotating shaft brake mechanism for controlling the rotating shaft to rotate is arranged between the lower section of the execution arm and the rotating shaft; the rotating shaft brake mechanism comprises a first brake disc fixedly sleeved on the lower section of the execution arm, a first cylinder fixedly connected to the rotating shaft and vertically and upwards arranged, and a piston rod end of the first cylinder can be abutted to and supported on the lower surface of the first brake disc.
Therefore, the rotation of the rotating shaft can be controlled through the arranged rotating shaft brake mechanism; is safer when in use.
As optimization, a brake friction plate made of rubber materials is arranged on the end face of the end of the first cylinder piston rod; the upper surface of the brake friction plate can be supported on the lower surface of the first brake disc in an abutting mode.
Therefore, the rotating shaft brake mechanism has the advantages of simple structure, safety and reliability.
As optimization, the connecting block vertical translation control mechanism comprises a connecting seat fixedly connected to the upper end of the upright post, a first control rod is hinged to the connecting seat, and one end, deviating from the connecting seat, of the first control rod is hinged to the connecting block; a second control rod is arranged below the first control rod, two ends of the second control rod are respectively hinged to the connecting seat and the connecting block, and the hinged centers of the first control rod, the second control rod, the connecting seat and the connecting block form four vertexes of a parallelogram; the connecting block translation driving structure is connected with the first control rod and drives the first control rod to vertically rotate by taking the position where the first control rod is hinged with the connecting seat as the circle center.
Therefore, the structure of the vertical translation control mechanism of the whole connecting block is simpler, and the vertical translation motion of the connecting block is conveniently controlled; at the first control lever pivoted in-process of connecting block translation drive structure drive, the shape that encloses between first control lever, second control lever, connecting seat and the connecting block keeps for the rectangle all the time, but two vertical limits of this in-process parallelogram remain throughout and are vertical state, and the connecting block is the translation motion promptly, can make whole arm more steady in the use, is favorable to reducing the potential safety hazard, improves work efficiency.
As optimization, one end of the first control rod, which is hinged with the connecting seat, extends outwards to form a driving end; the connecting block translation driving structure is a vertically arranged telescopic mechanism, and two ends of the telescopic mechanism are respectively hinged to the driving end and the upright post.
Therefore, by adopting a telescopic mechanism to drive one rod of the four-bar mechanism according to the lever principle, the whole translational motion is simpler.
Preferably, the telescopic mechanism is a vertically arranged boosting cylinder, the piston rod end of the boosting cylinder is hinged to the driving end, and the cylinder body end of the boosting cylinder is hinged to the upright post.
Like this, telescopic machanism simple structure to easy to assemble adopts the cylinder to compare with the pneumatic cylinder and has the advantage of conveniently acquireing the power supply.
Preferably, the stand column comprises an upper stand column section and a lower stand column section, a vertical connecting shaft is arranged between the upper stand column section and the lower stand column section, the lower end of the connecting shaft is fixedly connected to the upper end of the upper stand column section, and the upper end of the connecting shaft is rotatably connected to the lower end of the upper stand column section.
Like this, can rotate between stand upper segment and the stand hypomere for whole arm is more convenient when using, and the degree of freedom is higher.
As optimization, an upright post brake mechanism for controlling the rotation of the upper section of the upright post is arranged between the connecting shaft and the upper section of the upright post; the stand brake mechanism is established including fixed cover the second brake disc of stand upper segment, the vertical second cylinder that upwards sets up of fixedly connected with on the connecting axle, the tailpiece of the piston rod of second cylinder can the butt support on the lower surface of second brake disc.
Therefore, the rotation of the upper section of the upright post can be controlled through the arranged upright post brake mechanism; is safer when in use.
As optimizing, fixedly connected with is the mounting panel that the level set up on the connecting axle, is fixed with the vertical installation axle that upwards sets up on the mounting panel, and fixed cover is equipped with the first spring board that is the level setting on installing the axle, second cylinder fixed mounting be in on the first spring board, and the piston rod end of second cylinder pass the hole of stepping down that is equipped with on the first spring board and can support with the lower surface butt of second brake disc.
Like this, install the second cylinder on first spring board, when the piston rod end of second cylinder upwards butt support second brake disc, first spring board can warp and cushion, can reduce the risk that stand upper segment warp to and the risk that second brake disc warp. The function of protecting the second brake disc is achieved.
As optimization, a second spring plate is further sleeved above the first spring plate on the mounting shaft, and the lower surface of the second spring plate is adjacent to the upper surface of the second brake disc.
Like this, the power that the second cylinder acted on the second brake disc is vertical thrust, and its upper surface can paste the support mutually with the lower surface of second spring board after the second brake disc atress, can clip the second brake disc between the tailpiece of the piston rod of second cylinder and the second spring board this moment for braking effect is better.
As optimization, the first spring plate and the second spring plate are connected through a third spring plate which is vertically arranged, so that the first spring plate, the second spring plate and the third spring plate are integrally in a U-shaped structure.
Therefore, after the second spring plate is stressed, force can be transmitted to the first spring plate through the third spring plate, when the second spring plate is stressed too much, a part of component force can be removed through deformation, meanwhile, the first spring can also be deformed and removed, but in the force leakage process, the opening of the U-shaped structure is enlarged, namely the clamping force which can be provided for the second brake disc is also increased, so that the second brake disc is protected, and meanwhile, the braking effect is not influenced.
Preferably, the first spring plate, the second spring plate and the third spring plate are integrally formed.
In this way, the first, second and third spring plates have a better integrity and a more reliable transmission of forces between each other.
As optimization, the end face of the piston rod end of the second cylinder is provided with a brake friction plate made of rubber; the upper edge surface of the brake friction plate can be abutted and supported on the lower surface of the second brake disc.
Therefore, the brake effect is better, and the use is safer.
Preferably, the upper section of the upright post is fixedly connected with a gas storage bag, and the gas storage bag is connected with the power-assisted cylinder through a gas transmission pipeline.
Like this, the gas storage package can be for helping hand cylinder air feed as a reserve air supply, safety that can be more during the use.
Preferably, the upper section of the upright post is also connected with a gas control box, and the gas control box is positioned above the gas storage bag.
Therefore, the whole structure is more compact, and the layout is more reasonable.
As optimization, the lower end of the lower section of the upright post is connected with a horizontal installation seat plate, and the installation seat plate is provided with a threaded hole used for being connected with a bolt vertically arranged on an installation surface.
Thus, the installation of the upright post is convenient.
Drawings
Fig. 1 is a front view of an electric vehicle battery replacement robot arm with a front panel battery pick-and-place mechanism according to an embodiment of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a left side view of fig. 1.
Fig. 4 is a partially enlarged view of fig. 1.
Fig. 5 is a front view of an electric vehicle battery replacement mechanical arm with a rear floor battery pick-and-place mechanism according to an embodiment of the present invention.
Fig. 6 is a top view of fig. 5.
Fig. 7 is a left side view of fig. 5.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In the specific implementation: as shown in fig. 1 to 7, a method for replacing batteries below a rear floor of an electric vehicle includes the steps of 1, taking out an undercharged battery below the upper rear floor of the electric vehicle from a vehicle body; step 2, assembling a full-charge battery at a battery installation station below a rear floor of the electric automobile; the method is characterized in that in the step 1, after the electric automobile is parked to a designated electric automobile battery replacement station, the battery is taken and placed by means of an electric automobile battery replacement mechanical arm with a lever structure; when the electric automobile is taken and placed, the fulcrum of the lever mechanism is located outside the electric automobile, the power-assisted cylinder outside the fulcrum serves as a force application component to apply force to one end of the lever mechanism, so that the other end of the lever mechanism extends into the electric automobile body in an arc direction and fixes the battery, and then the lever mechanism applies force and takes out the battery from the electric automobile body in the arc direction.
In the technical scheme, the battery in the electric automobile body is taken out by depending on the lever principle, and during actual operation, the electric automobile battery replacement mechanical arm enters the automobile body in the direction of an arc line and takes out the battery from the inside of the automobile body in the direction of the arc line; two movement tracks are reversible, when a worker operates the electric automobile battery replacing mechanical arm, the electric automobile battery replacing mechanical arm is controlled to be prevented from colliding with and scraping the automobile body in the step of entering the automobile body in the arc direction, and the electric automobile battery replacing mechanical arm can be prevented from colliding with and scraping the automobile body in the step of taking out the battery. Therefore, the whole operation process is simpler, and the electric automobile battery replacement mechanical arm is conveniently controlled by a worker to reduce the risk of collision and scraping with the automobile body.
As optimization, the step 1 comprises the following steps that a, after the electric automobile is driven to a specified electric automobile battery replacement station, a rear door of the electric automobile is opposite to a rear floor battery taking and placing mechanism, and the rear door of the electric automobile is opened; b, translating the rear floor battery pick-and-place mechanism forwards and downwards in a direction close to the electric automobile by a parabolic motion track, so that the rear floor battery pick-and-place mechanism extends into the automobile body of the electric automobile and is positioned above the rear floor; c, horizontally moving a sucking disc used for taking and placing the battery in the floor battery taking and placing mechanism along the width direction of the electric automobile body, enabling the sucking disc to face the exposed battery to be taken down, and carrying out adsorption connection on the battery; and d, lifting the battery to separate the battery from the mounting station, and translating the rear floor battery pick-and-place mechanism which is connected with the battery in an adsorbing manner backwards and upwards in a direction back to the electric automobile along the parabolic motion track, so that the battery is taken out of the electric automobile body, and the battery is taken out.
In the technical scheme, compared with the traditional method that the rear floor battery taking and placing mechanism extends into the vehicle body in a horizontal rotating and horizontal moving mode, the power taking method has the advantages that the operation is more convenient, the power taking can be completed more quickly, and the power changing efficiency is improved; and make the rear floor battery pick and place the mechanism and stretch into the automobile body through the parabola mode, because the rear floor battery pick and place the mechanism and be fixed for the interval of door frame front and back, operating personnel only need guarantee it not with two edges about the door frame bump can, convenient operation uses. The risk of collision with the back door frame and the back door can be better reduced.
In this embodiment, step a includes translating the rear floor battery pick-and-place mechanism backwards and upwards by a certain distance in a direction away from the electric vehicle battery replacement station along a parabolic motion trajectory.
After the operation, the distance between the rear floor battery taking and placing mechanism and the electric automobile battery changing station is larger, the electric automobile needing to be changed can be conveniently driven to the electric automobile battery changing station by a worker, and the collision and scraping between the rear floor battery taking and placing mechanism and the electric automobile battery changing station caused by the operation are reduced.
In this embodiment, the step d further includes moving the suction cup with the battery attached thereto to a limit position in a direction away from the body of the electric vehicle.
Like this, can make whole back floor battery get put the mechanism and take the area that the mechanism took in electric automobile inside littleer, conveniently take out the battery, on the other hand can make and to adsorb the required power when being connected with the back floor battery of battery and get put the mechanism and remove the automobile body littleer, convenient operation improves battery transportation efficiency.
In this embodiment, step d further includes taking the battery out of the electric vehicle body, and then horizontally rotating the rear floor battery taking and placing mechanism to move the rear floor battery taking and placing mechanism to a safe distance in a direction away from the vehicle door.
Therefore, the rear floor battery taking and placing mechanism has a safe distance from the vehicle door, and the subsequent operation can be facilitated.
In the specific embodiment, the battery is taken and placed by adopting the following electric automobile battery replacement mechanical arm; the electric automobile battery replacement mechanical arm comprises an upright post 1, a connecting block 2 is arranged on one side of the upright post, and a connecting block vertical translation control mechanism for controlling the connecting block to translate in the vertical direction is arranged between the connecting block and the upright post; a horizontal rotating arm 3 is arranged on one side of the connecting block in the horizontal direction, one end of the rotating arm is rotatably connected to the connecting block and forms a rotating center, and the rotating arm can horizontally rotate around the rotating center; a battery taking and placing mechanism is arranged below one end of the rotating arm, which is far away from the connecting block, and comprises a plurality of sucking discs with suction ports arranged downwards;
the battery picking and placing mechanism is a rear floor battery picking and placing mechanism, the rear floor battery picking and placing mechanism comprises an execution arm which is vertically arranged, a horizontal cross arm 10 is arranged below the execution arm, and a cross arm translation control mechanism for controlling the cross arm to translate along the length direction of the cross arm is arranged between the cross arm and the execution arm; the lower surface of the cross arm is connected with a mounting rack, and the sucker is mounted on the mounting rack;
the executing arm comprises an executing arm upper section 14 which is vertically arranged, the upper end of the executing arm upper section is connected with the rotating arm in a way of rotating along the axis of the executing arm upper section, the lower end of the executing arm upper section is connected with an executing arm inclined section 15 which is obliquely and downwards arranged, and the lower end of the executing arm inclined section is also connected with an executing arm lower section 16 which is vertically and downwards arranged; the lower end of the lower section of the execution arm is provided with a sliding block structure which is matched with the sliding groove and can be connected in the sliding groove in a sliding way.
Therefore, when the structure is applied to taking and placing the batteries below the rear floor of the electric automobile, the corresponding rear door on the electric automobile is opened, the corresponding part on the battery taking and placing mechanism extends into the automobile body, the horizontal rotation of the execution arm can be blocked due to the rear door frame in the subsequent operation, at the moment, the position of the cross arm in the horizontal direction can be adjusted only by the cross arm translation control mechanism, the cross arm moves along the length direction of the cross arm, the horizontal position of the sucker below the installation frame is reached, the sucker is used for taking and placing the batteries in the corresponding position, after the sucker sucks the batteries in the corresponding position, the cross arm is moved horizontally, the taken and placed batteries are located below the lower end of the execution arm just right opposite, the length of the force arm is reduced, more labor is saved in the subsequent operation steps, and the battery replacement efficiency is improved. In the operation steps, the execution arm is provided with the execution arm inclined section which is obliquely and downwards arranged, so that the execution arm inclined section which is obliquely and downwards arranged in the steps c and e can avoid the upper edge of the door frame in the whole parabolic motion track, the rotation operation on the horizontal plane is reduced, the whole operation steps are simpler, and the battery transfer efficiency is improved.
In this embodiment, the cross arm translation control mechanism includes a sliding groove disposed on the cross arm and along the length direction of the cross arm, and the lower end of the actuating arm is connected in the sliding groove in a sliding fit manner.
Thus, the structure is simpler, and the operation and the use are convenient.
In the embodiment, two operation platforms 11 are symmetrically arranged on the upper surface of the cross arm along the length direction of the cross arm, and operation handles 12 are arranged on the upper surfaces of the operation platforms in pairs; the mounting rack is connected to the lower surface of the cross arm corresponding to one of the operation tables.
Like this, set up the operation panel respectively at xarm length direction's both ends, design like this, when going to get the battery of the floor below far side behind the electric automobile, the staff can conveniently keep away from one side of carrying out the arm on the car and operate, has the advantage of convenient operation.
In this embodiment, the upper surface of the console is an inclined surface whose outer side is inclined downward.
Therefore, the installation operation handle is arranged to be the inclined surface, the inclined surface inclines downwards towards the operator, and the operation of the operator can be facilitated.
In this embodiment, a vertically disposed rotating shaft 13 is further disposed between the lower section of the actuating arm and the cross arm, the upper end of the rotating shaft is rotatably connected to the lower end of the lower section of the actuating arm, and the lower end of the rotating shaft is a slider structure which is matched with the sliding groove and slidably connected in the sliding groove.
Therefore, when the battery storage rack is used, the transverse span range of the battery storage rack, which can be taken and placed by the suckers below the cross arm, is larger by horizontally rotating the cross arm. When the device is used, the cross arm slides outwards to the maximum position, the sucker is right above the battery, and after the sucker is connected with the battery in an adsorption mode, the cross arm is moved transversely, so that the taken-out battery is close to the execution arm, and the moment applied to the execution arm can be smaller; conveniently get when putting the battery of putting the electric automobile rear floor below faraway side convenient operation, effectual protection actuating arm. When the battery on the near side below the rear floor of the electric automobile is taken and placed, the cross arm is rotated by 180 degrees, and the cross arm is transversely moved to enable the sucker to be right above the battery, so that the moment applied to the actuating arm is smaller when the battery on the near side is taken and placed. By adopting the design, the length of the cross arm is smaller, and meanwhile, the battery taking and placing at the near side and the far side below the rear floor is met. And the cross arm is shorter, so that the cross arm can conveniently rotate in the vehicle body, and the operation is convenient.
In the embodiment, a rotating shaft brake mechanism for controlling the rotating shaft to rotate is arranged between the lower section of the execution arm and the rotating shaft; the rotating shaft brake mechanism comprises a first brake disc 17 fixedly sleeved on the lower section of the execution arm, a first air cylinder 18 fixedly connected to the rotating shaft and vertically and upwards arranged, and a piston rod end of the first air cylinder can be abutted and supported on the lower surface of the first brake disc.
Therefore, the rotation of the rotating shaft can be controlled through the arranged rotating shaft brake mechanism; is safer when in use.
In the specific embodiment, a brake friction plate made of rubber is arranged on the end face of the end of the first cylinder piston rod; the upper surface of the brake friction plate can be supported on the lower surface of the first brake disc in an abutting mode.
Therefore, the rotating shaft brake mechanism has the advantages of simple structure, safety and reliability.
In the specific embodiment, the connecting block vertical translation control mechanism comprises a connecting seat 19 fixedly connected to the upper end of the upright post, a first control rod 20 is hinged to the connecting seat, and one end of the first control rod, which is far away from the connecting seat, is hinged to the connecting block; a second control rod 21 is further arranged below the first control rod, two ends of the second control rod are respectively hinged to the connecting seat and the connecting block, and the hinged centers of the first control rod 20, the second control rod 21, the connecting seat 19 and the connecting block 2 form four vertexes of a parallelogram; the connecting block translation driving structure is connected with the first control rod and drives the first control rod to vertically rotate by taking the position where the first control rod is hinged with the connecting seat as the circle center.
Therefore, the structure of the vertical translation control mechanism of the whole connecting block is simpler, and the vertical translation motion of the connecting block is conveniently controlled; at the first control lever pivoted in-process of connecting block translation drive structure drive, the shape that encloses between first control lever, second control lever, connecting seat and the connecting block keeps for the rectangle all the time, but two vertical limits of this in-process parallelogram remain throughout and are vertical state, and the connecting block is the translation motion promptly, can make whole arm more steady in the use, is favorable to reducing the potential safety hazard, improves work efficiency.
In the specific embodiment, one end of the first control rod, which is hinged with the connecting seat, extends outwards to form a driving end; the connecting block translation driving structure is a vertically arranged telescopic mechanism, and two ends of the telescopic mechanism are respectively hinged to the driving end and the upright post.
Therefore, by adopting a telescopic mechanism to drive one rod of the four-bar mechanism according to the lever principle, the whole translational motion is simpler.
In this embodiment, the telescopic mechanism is a vertically arranged boosting cylinder 22, a piston rod end of the boosting cylinder is hinged to the driving end, and a cylinder body end of the boosting cylinder is hinged to the upright post.
Like this, telescopic machanism simple structure to easy to assemble adopts the cylinder to compare with the pneumatic cylinder and has the advantage of conveniently acquireing the power supply.
In this embodiment, the upright column includes an upright column upper section 23 and an upright column lower section 24, a vertical connecting shaft 25 is disposed between the upright column upper section and the upright column lower section, a lower end of the connecting shaft is fixedly connected to an upper end of the upright column upper section, and an upper end of the connecting shaft is rotatably connected to a lower end of the upright column upper section.
Like this, can rotate between stand upper segment and the stand hypomere for whole arm is more convenient when using, and the degree of freedom is higher.
In the specific embodiment, an upright post brake mechanism for controlling the rotation of the upper section of the upright post is arranged between the connecting shaft and the upper section of the upright post; the stand brake mechanism is established including fixed cover the second brake disc 26 of stand upper segment, the vertical second cylinder 27 that upwards sets up of fixedly connected with on the connecting axle, the piston rod end of second cylinder can the butt support on the lower surface of second brake disc.
Therefore, the rotation of the upper section of the upright post can be controlled through the arranged upright post brake mechanism; is safer when in use.
In this embodiment, fixedly connected with is the mounting panel 31 that the level set up on the connecting axle, is fixed with the vertical installation axle 32 that upwards sets up on the mounting panel, and fixed cover is equipped with the first spring board 33 that is the level setting on the installation axle, second cylinder 27 fixed mounting be in on the first spring board, and the piston rod end of second cylinder pass the hole of stepping down that is equipped with on the first spring board and can support with the lower surface butt of second brake disc.
Like this, install the second cylinder on first spring board, when the piston rod end of second cylinder upwards butt support second brake disc, first spring board can warp and cushion, can reduce the risk that stand upper segment warp to and the risk that second brake disc warp. The function of protecting the second brake disc is achieved.
In this embodiment, a second spring plate 34 is further sleeved above the first spring plate on the mounting shaft, and a lower surface of the second spring plate is disposed adjacent to an upper surface of the second brake disc.
Like this, the power that the second cylinder acted on the second brake disc is vertical thrust, and its upper surface can paste the support mutually with the lower surface of second spring board after the second brake disc atress, can clip the second brake disc between the tailpiece of the piston rod of second cylinder and the second spring board this moment for braking effect is better.
In this embodiment, the first spring plate and the second spring plate are connected by the vertically arranged third spring plate 35, so that the first spring plate, the second spring plate and the third spring plate are integrally U-shaped.
Therefore, after the second spring plate is stressed, force can be transmitted to the first spring plate through the third spring plate, when the second spring plate is stressed too much, a part of component force can be removed through deformation, meanwhile, the first spring can also be deformed and removed, but in the force leakage process, the opening of the U-shaped structure is enlarged, namely the clamping force which can be provided for the second brake disc is also increased, so that the second brake disc is protected, and meanwhile, the braking effect is not influenced.
In this embodiment, the first spring plate, the second spring plate and the third spring plate are integrally formed.
In this way, the first, second and third spring plates have a better integrity and a more reliable transmission of forces between each other.
In the specific embodiment, the end surface of the piston rod end of the second cylinder is provided with a brake friction plate made of rubber; the upper edge surface of the brake friction plate can be abutted and supported on the lower surface of the second brake disc.
Therefore, the brake effect is better, and the use is safer.
In the embodiment, the upper section of the upright column is also fixedly connected with a gas storage bag 28, and the gas storage bag is connected with the power-assisted cylinder through a gas transmission pipeline.
Like this, the gas storage package can be for helping hand cylinder air feed as a reserve air supply, safety that can be more during the use.
In the present embodiment, a pneumatic control box 29 is further connected to the upper section of the column, and the pneumatic control box is located above the gas storage bag.
Therefore, the whole structure is more compact, and the layout is more reasonable.
In the present embodiment, a horizontal installation seat plate 30 is connected to the lower end of the lower section of the column, and a threaded hole for connecting to a bolt vertically disposed on the installation surface is formed in the installation seat plate.
Thus, the installation of the upright post is convenient.
The battery taking and placing mechanism is a front cover plate battery taking and placing mechanism, the front cover plate battery taking and placing mechanism comprises an operating arm 5 which is vertically arranged, a mounting frame 6 is connected to the lower end of the operating arm 5, and the sucking discs 4 are mounted on the mounting frame.
Like this for whole arm structure is "U" shape structure of handstand, and the below of swinging boom forms the operation station, and the workman can stand and accomplish the trade electric operation to electric automobile in the swinging boom below, when practicing thrift the space, can also make things convenient for the workman to operate, and the distance that walks when can reducing the workman and operate reaches convenient operation and reduction intensity of labour's purpose. Through the operating arm of vertical setting, can be better move the sucking disc to the battery top and adjacent with the upper surface of battery. The electric vehicle body is more convenient for the sucker to take out the battery. When the battery below the front cover plate of the electric automobile is replaced, the included angle formed by the front cover plate after the front cover plate is opened and the automobile body is an acute angle, when the vertical section of the operating arm is moved to be adjacent to the front edge of the front cover plate, the sucker can pick and place the battery in the automobile body of the electric automobile, the distance between the operating arm and the front edge of the front cover plate needs to be kept at the moment, and collision and scraping between the operating arm and the front cover plate are avoided.
In the specific embodiment, the operating arm comprises an operating arm vertical section 7, the upper end of the operating arm vertical section is connected to the rotating arm in a manner of rotating along the axis of the operating arm, and the lower end of the operating arm vertical section is also connected with an operating arm horizontal section 8 which is horizontal, so that the whole operating arm is in an L-shaped structure; and the mounting rack is connected to the lower surface of the outer end of the horizontal section of the operating arm.
Therefore, the vertical section of the operating arm and the front edge of the front cover plate can be kept at a distance which is relatively free from scraping collision, the horizontal section of the operating arm extends into the space between the electric vehicle body and the front cover plate by rotating the vertical section of the operating arm, and the sucker can be well aligned to the upper part of the battery and finishes taking and placing the battery. So that in use, the worker does not have to deliberately apply additional force to maintain the vertical section of the operating arm spaced from the front edge of the cowl panel. The purposes of convenient operation and more labor saving are achieved.
In this embodiment, the upper end of the vertical section of the operating arm is rotatably connected to the rotating arm through a rotating bearing.
Therefore, the rotatable connection between the upper end of the vertical section of the operating arm and the rotating arm is more reliable, and the vertical section of the operating arm can rotate along the axis of the vertical section more conveniently.
In this embodiment, the mounting bracket is a rectangular frame, and the suction cups are mounted on two mounting rods parallel to the horizontal section 8 of the operating arm on the mounting bracket.
Like this, can reduce the holistic quality of mounting bracket, it is light laborsaving more during the use.
The mounting rod is a rectangular rod with a hollow structure.
Thus, the mass of the mounting rod is smaller, and the overall mass can be reduced. The use is more convenient and labor-saving.
In the specific embodiment, an operating rod 9 is arranged on one side, deviating from the horizontal section of the operating arm, of the vertical section of the operating arm, the operating rod is integrally of a U-shaped structure, the middle position of the operating rod can be connected to the vertical section of the operating arm along the axis of the operating rod, and the two ends of the operating rod are respectively provided with an operating holding end.
Like this, operator's both hands can hold the operation and grip the whole arm of end pair and adjust, are trading more laborsaving of electricity in-process to the action bars is "U" shape structure, when using, can form half surrounding structure to operator's health, can make things convenient for the operator to utilize the health to adjust the arm.
In this embodiment, the outer end of the operating rod is disposed obliquely downward.
Thus, the operator can more conveniently hold the holding end of the operating rod.
In this embodiment, the cross section of the pillar is circular, square or regular hexagon.
Like this, the cross-section of stand is circular, square or regular hexagon can conveniently make the stand to adopt square or regular hexagon can conveniently be at equipment such as vertical surface mounting pneumatic control case, gas storage package of stand, make the installation after more stable.

Claims (8)

1. A battery replacing method under a rear floor of an electric automobile comprises the steps of 1, taking out an under-charged battery under the upper rear floor of the electric automobile from an automobile body; step 2, assembling a full-charge battery at a battery installation station below a rear floor of the electric automobile; the method is characterized in that in the step 1, after the electric automobile is parked to a designated electric automobile battery replacement station, the battery is taken and placed by means of an electric automobile battery replacement mechanical arm with a lever mechanism; when the battery is taken and placed, the fulcrum of the lever mechanism is located outside the electric automobile, the power-assisted cylinder outside the fulcrum is used as a force application component to apply force to one end of the lever mechanism, so that the other end of the lever mechanism extends into the automobile body of the electric automobile in an arc direction and fixes the battery, and then the lever mechanism applies force and takes the battery out of the automobile body of the electric automobile in the arc direction;
the battery is taken and placed by adopting the following electric automobile battery replacement mechanical arm; the electric automobile battery replacement mechanical arm comprises an upright post (1), a connecting block (2) is arranged on one side of the upright post, and a connecting block vertical translation control mechanism for controlling the connecting block to translate in the vertical direction is arranged between the connecting block and the upright post; a horizontal rotating arm (3) is arranged on one side of the connecting block in the horizontal direction, one end of the rotating arm is rotatably connected to the connecting block and forms a rotating center, and the rotating arm can horizontally rotate around the rotating center; a battery taking and placing mechanism is arranged below one end of the rotating arm, which is far away from the connecting block, and the battery taking and placing mechanism comprises a plurality of suckers with suction ports arranged downwards;
the battery picking and placing mechanism is a rear floor battery picking and placing mechanism, the rear floor battery picking and placing mechanism comprises an execution arm which is vertically arranged, a horizontal cross arm (10) is arranged below the execution arm, and a cross arm translation control mechanism for controlling the cross arm to translate along the length direction of the cross arm is arranged between the cross arm and the execution arm; the transverse arm translation control mechanism comprises a sliding groove which is arranged on the transverse arm and arranged along the length direction of the transverse arm, and the lower end of the execution arm is connected in the sliding groove in a sliding fit manner; the lower surface of the cross arm is connected with a mounting rack, and the sucker is mounted on the mounting rack;
the executing arm comprises an executing arm upper section (14) which is vertically arranged, the upper end of the executing arm upper section is connected with the rotating arm in a way of rotating along the axis of the executing arm upper section, the lower end of the executing arm upper section is connected with an executing arm inclined section (15) which is obliquely and downwards arranged, and the lower end of the executing arm inclined section is also connected with an executing arm lower section (16) which is vertically and downwards arranged; the lower end of the lower section of the execution arm is provided with a sliding block structure which is matched with the sliding groove and can be connected in the sliding groove in a sliding way.
2. The method for replacing the battery below the rear floor of the electric automobile according to claim 1, wherein the step 1 comprises the steps of a, driving the electric automobile to a designated electric automobile replacement station, enabling a rear door of the electric automobile to be opposite to a rear floor battery taking and placing mechanism, and opening the rear door of the electric automobile; b, translating the rear floor battery pick-and-place mechanism forwards and downwards in a direction close to the electric automobile by a parabolic motion track, so that the rear floor battery pick-and-place mechanism extends into the automobile body of the electric automobile and is positioned above the rear floor; c, horizontally moving a sucking disc used for taking and placing the battery in the floor battery taking and placing mechanism along the width direction of the electric automobile body, enabling the sucking disc to face the exposed battery to be taken down, and carrying out adsorption connection on the battery; and d, lifting the battery to separate the battery from the mounting station, and translating the rear floor battery pick-and-place mechanism which is connected with the battery in an adsorbing manner backwards and upwards in a direction back to the electric automobile along the parabolic motion track, so that the battery is taken out of the electric automobile body, and the battery is taken out.
3. The method for replacing batteries under the rear floor of the electric automobile as claimed in claim 2, wherein step a comprises translating the rear floor battery pick-and-place mechanism backwards and upwards for a certain distance in a direction away from the battery replacement station of the electric automobile along a parabolic motion track.
4. The method for replacing the battery below the rear floor of the electric automobile as claimed in claim 2, wherein the step d further comprises moving the suction cup with the battery attached thereto to an extreme position in a direction away from the body of the electric automobile.
5. The method for replacing the battery below the rear floor of the electric automobile as claimed in claim 4, wherein the step d further comprises the step of horizontally rotating the rear floor battery pick-and-place mechanism to a safe distance in a direction away from the door after the battery is picked out of the body of the electric automobile.
6. The method for replacing the batteries under the rear floor of the electric automobile according to claim 1, characterized in that two operation platforms (11) are symmetrically arranged on the upper surface of the cross arm along the length direction of the cross arm, and operation handles (12) are arranged on the upper surfaces of the operation platforms in pairs; the mounting rack is connected to the lower surface of the cross arm corresponding to one of the operation tables;
the upper surface of the operating platform is an inclined surface with the outer side inclined downwards.
7. The method for replacing the battery below the rear floor of the electric automobile according to claim 6, wherein a vertically arranged rotating shaft (13) is further arranged between the lower section of the actuating arm and the cross arm, the upper end of the rotating shaft is rotatably connected to the lower end of the lower section of the actuating arm, and the lower end of the rotating shaft is of a sliding block structure which is matched with the sliding groove and is slidably connected into the sliding groove;
a rotating shaft brake mechanism for controlling the rotating shaft to rotate is arranged between the lower section of the execution arm and the rotating shaft; the rotating shaft brake mechanism comprises a first brake disc (17) fixedly sleeved on the lower section of the execution arm, a first cylinder (18) vertically and upwards arranged is fixedly connected to the rotating shaft, and the end of a piston rod of the first cylinder can be abutted and supported on the lower surface of the first brake disc;
a brake friction plate made of rubber materials is arranged on the end face of the end of the first cylinder piston rod; the upper surface of the brake friction plate can be supported on the lower surface of the first brake disc in an abutting mode.
8. The battery replacement method for the battery below the rear floor of the electric automobile as claimed in claim 1, wherein the connecting block vertical translation control mechanism comprises a connecting seat (19) fixedly connected to the upper end of the upright post, a first control rod (20) is hinged to the connecting seat, and one end of the first control rod, which is away from the connecting seat, is hinged to the connecting block; a second control rod (21) is further arranged below the first control rod, two ends of the second control rod are respectively hinged to the connecting seat and the connecting block, and four vertexes of the parallelogram are formed by respective hinged centers of the first control rod (20), the second control rod (21), the connecting seat (19) and the connecting block (2); the connecting block translation driving structure is connected with the first control rod and drives the first control rod to vertically rotate by taking the position where the first control rod is hinged with the connecting seat as the circle center;
one end of the first control rod, which is hinged with the connecting seat, extends outwards to form a driving end; the connecting block translational driving structure is a vertically arranged telescopic mechanism, and two ends of the telescopic mechanism are respectively hinged to the driving end and the upright post;
the telescopic mechanism is a vertically arranged boosting cylinder (22), the piston rod end of the boosting cylinder is hinged to the driving end, and the cylinder body end of the boosting cylinder is hinged to the upright post;
the upright column comprises an upright column upper section (23) and an upright column lower section (24), a vertical connecting shaft (25) is arranged between the upright column upper section and the upright column lower section, the lower end of the connecting shaft is fixedly connected to the upper end of the upright column upper section, and the upper end of the connecting shaft is rotatably connected to the lower end of the upright column upper section;
an upright post brake mechanism for controlling the rotation of the upper section of the upright post is arranged between the connecting shaft and the upper section of the upright post; the upright post brake mechanism comprises a second brake disc (26) fixedly sleeved on the upper section of the upright post, a second cylinder (27) vertically and upwardly arranged is fixedly connected to the connecting shaft, and the piston rod end of the second cylinder can be abutted and supported on the lower surface of the second brake disc;
the connecting shaft is fixedly connected with a horizontally arranged mounting plate (31), a vertically and upwardly arranged mounting shaft (32) is fixed on the mounting plate, a horizontally arranged first spring plate (33) is fixedly sleeved on the mounting shaft, the second cylinder (27) is fixedly arranged on the first spring plate, and the piston rod end of the second cylinder penetrates through a yielding hole formed in the first spring plate and can be abutted and supported with the lower surface of the second brake disc;
a second spring plate (34) is sleeved above the first spring plate on the mounting shaft, and the lower surface of the second spring plate is adjacent to the upper surface of the second brake disc;
the first spring plate and the second spring plate are connected through a third spring plate (35) which is vertically arranged, so that the first spring plate, the second spring plate and the third spring plate are integrally in a U-shaped structure;
the first spring plate, the second spring plate and the third spring plate are integrally formed;
a brake friction plate made of rubber is arranged on the end face of the end of the piston rod of the second cylinder; the upper edge surface of the brake friction plate can be abutted and supported on the lower surface of the second brake disc;
the upper section of the upright post is also fixedly connected with a gas storage bag (28), and the gas storage bag is connected with the power-assisted cylinder through a gas transmission pipeline;
the upper section of the upright post is also connected with a gas control box (29), and the gas control box is positioned above the gas storage bag;
the lower end of the lower section of the upright post is connected with a horizontal installation base plate (30), and the installation base plate is provided with a threaded hole which is used for being connected with a bolt vertically arranged on an installation surface.
CN201810362632.0A 2018-04-20 2018-04-20 Battery replacing method for batteries below rear floor of electric vehicle Active CN108860090B (en)

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