CN205075812U - Wheelbase adjustment device based on mobile electric passenger car power battery replacement - Google Patents

Abstract

A wheel track adjusting device based on portable electronic passenger car power battery is changed, wheel track adjusting device includes: the wheel track width adjusting plate and the wheel track width adjusting driving system are movably arranged on the fixing plate frame and are platform structures for bearing tail plates of electric passenger vehicles needing to replace power batteries. The utility model provides an in the new portable technical scheme that adds electric that is used for electronic passenger car power battery to change, because portable characteristic requires after the platform of tailboard expandes, electronic passenger car goes the platform of tailboard, can carry out corresponding wheel base adjustment according to the wheel base of the electronic passenger car of different motorcycle types on the platform to conveniently change power battery's problem.

Description

Wheelbase adjustment device based on mobile electric passenger car power battery replacement

technical field

The utility model specifically relates to a wheelbase adjustment device based on mobile electric passenger car power battery replacement.

Background technique

With the shortage of global energy, the problem of environmental pollution is becoming more and more serious. Under the general trend of environmental protection and clean energy concepts, electric passenger vehicles have a very broad development prospect because they have less impact on the environment than traditional vehicles. Electric passenger vehicles refer to vehicles powered by vehicle-mounted power supplies, driven by motors to drive wheels, and meeting the requirements of road traffic and safety regulations. Among them, the power battery is the core of electric passenger vehicles, but for the problems caused by power battery technology and charging technology, such as long charging time, few energy supply points, poor battery life, and fast charging of batteries will reduce the service life and affect the safety of power grid operations, etc., It has always been the bottleneck that plagues the commercial development of electric passenger vehicles. How to make the power supply of electric passenger vehicles as benchmark as the convenient and fast gas station is an important issue in the commercial promotion of electric passenger vehicles.

At present, there is no need to charge the power battery, but the operation mode of the power station that only replaces the electric passenger car with a fully charged power battery, which reduces the time for users to wait for the power battery to charge, which is basically the same as the refueling time of traditional cars. In the same way, there is no need to change the user's habit of using the car.

In this mode, if the user is using an electric passenger car, due to vehicle problems (such as insufficient battery power to drive to the nearest refueling station or vehicle failure and cannot drive), the vehicle cannot drive to the refueling station for power battery If the vehicle cannot be replaced or repaired, then for the user, the user experience of using the electric passenger car will be greatly reduced, which will cause inconvenience to the user, and even lead to the inability of the electric passenger car to be widely promoted.

In the new mobile power-on technical solution for the replacement of power batteries of electric passenger vehicles, due to the mobile characteristics, it is required that after the platform of the tailgate is unfolded, the electric passenger car drives onto the platform of the tailgate, and the platform can According to the wheelbase of different models of electric passenger cars, it is necessary to adjust the corresponding wheelbase to facilitate the replacement of power batteries, which has become a problem that needs to be solved.

Utility model content

The technical problem to be solved by the utility model is to provide a wheelbase adjustment device based on mobile electric passenger car power battery replacement, to solve the problem of the new mobile power-on technology for electric passenger car power battery replacement In the scheme, due to the mobile characteristics, it is required that after the platform of the tailgate is unfolded, the electric passenger car will drive on the platform of the tailgate. The problem of replacing the power battery.

In order to solve the above problems, the utility model provides a wheelbase adjustment device based on the replacement of the power battery of a mobile electric passenger car. The wheelbase adjustment device includes: interconnected wheelbase width adjustment plates and a wheelbase width adjustment drive system , the wheelbase width adjustment plate and the wheelbase width adjustment drive system are a frame structure that is movable and adjustable on a fixed plate frame, and the fixed plate frame is a platform structure that carries the tailgate of an electric passenger car that needs to be replaced with a power battery.

Compared with the prior art, with the application of the utility model, through the interconnected wheelbase width adjustment plate and the wheelbase width adjustment drive system, the motor is driven by a chain to the lead screw screw mechanism at the front end of the wheelbase width adjustment plate, and the lead screw is also connected to the front end of the wheelbase width adjustment plate. One end reaches the screw screw mechanism at the rear end of the wheelbase width adjustment plate through chain transmission, so that the wheelbase width adjustment plate moves back and forth as a whole, left and right, so as to facilitate the replacement of power batteries by electric passenger vehicles driving on the platform of the tailgate.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention , for those skilled in the art, other drawings can also be obtained according to these drawings on the premise of not paying creative work.

Fig. 1 is the structural schematic diagram of the platform of tail plate 105 of the present invention;

Figure 2 is a schematic diagram of the power battery locking device on the tail plate and the power battery locking drive structure;

Fig. 3 is a schematic diagram of the track width adjustment plate on the tail plate and the drive structure for wheel track width adjustment;

Figure 4 is a schematic diagram of the structure of the V-shaped groove on the tail plate;

Fig. 5 is a structural schematic diagram of the rear wheel leveling device on the tail plate;

Figure 6-1 is a schematic structural view of the lifting device of the present invention;

Figure 6-2 is a perspective view of the lifting device of the present invention;

Fig. 7 is a structural schematic diagram of the automatic telescopic slope plate of the present invention;

Fig. 8 is a structural schematic diagram of the tail plate electric push rod of the present invention;

Fig. 9 is a schematic diagram of the working state of replacing the power battery of an electric passenger car with the mobile electrified vehicle using the tailgate device of the present utility model.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

In the present utility model, the power battery used for power exchange is a pedigree battery, that is, its appearance size is the size of the set standard specification (for example: all power batteries have the same width, and the number of battery packs arranged is different due to the several lengths, resulting in several power batteries of different specifications, which provide power for electric passenger cars of different levels), only in this way can the mobile power supply system of the present invention be applied to the power battery for rapid The operation of replacement, wherein the upgrade of the core technology of the power battery (for example, various new chemical technologies or nuclear fusion technology applied to the power battery) does not affect the utility model, and the power battery of the utility model only has an external shape and size Standard.

The electric push rod used in the utility model is an electric drive device that converts the rotary motion of the motor into the linear reciprocating motion of the push rod. It can be used as an executive machine in various simple or complex technological processes; the electric push rod is composed of a drive motor, a reduction gear, a screw, a nut, a guide sleeve, a push rod, a sliding seat, a spring, a casing and a turbine, and a micro control switch and so on. The electric push rod is a new type of electric actuator. The electric push rod is a new type of linear actuator mainly composed of a motor, a push rod and a control device, which can realize remote control and centralized control. The electric push rod makes reciprocating motion within a certain range of travel. When the electric push rod actuator is used, power supply is required when the control opening is changed, and the power supply can be stopped when the required opening is reached. Therefore, from the perspective of energy saving, the electric push rod actuator has obvious energy-saving advantages compared with the pneumatic actuator. The rod is novel and exquisite in design, small in size, high in precision, fully synchronized, good in self-locking performance, hygienic, directly driven by the motor, and does not need the air source and oil circuit of the pipeline, so it is convenient to use.

In the lead screw mode adopted in the utility model, the motor drives a pair of lead screw nuts after being decelerated by gears. The rotary motion of the motor is changed into linear motion, and the push rod action is completed by using the forward and reverse rotation of the motor. For example, complex actions such as rotation and shaking can be completed through mechanisms such as various levers, rockers or connecting rods. By changing the length of the lever arm, the stroke can be increased or decreased. The worm gear and worm transmission form adopted in the utility model: the worm on the motor gear drives the worm gear to rotate, so that the small screw in the worm gear moves axially, and the connecting plate drives the limit rod to move axially accordingly, when the required stroke is reached , by adjusting the limit block and pressing the travel switch to cut off the power, the motor stops running (the positive and negative control is the same). The gear transmission form adopted in the utility model: the motor drives the small lead screw installed in the inner tube through the reduction gear, and drives the nut connected with it as the axial running nut, and when the set stroke is reached, the tentacles of the nut press the limit The switch disconnects the power and the motor stops moving (the reverse is the same). The sprocket mode adopted in the utility model, that is, the wheel with cog-type buckle teeth, is used to mesh with the pitch-accurate block on the link chain or the cable, and mesh with the (roller) chain to transmit motion.

The tail plate device of the utility model is arranged on the outer side of the car body tail of the mobile electrified vehicle, and is used for positioning and controlling the replacement of the power battery of the electric passenger vehicle driving on the platform.

As shown in Figure 1, the platform of the tailgate 105 may include a fixed plate frame 1051, a wheelbase width adjustment plate 1052, a wheelbase width adjustment drive system 1053, a power battery locking device 1054 and a power battery locking drive system 1055, The positioning sleeve T, the V-shaped groove 1056 for placing the front wheel of the electric passenger car, and the rear wheel leveling device 1057, wherein the fixed plate frame 1051 is a platform structure for carrying the electric passenger car that needs to be replaced with the power battery D, and the wheelbase Width adjustment plate 1052 and track width adjustment drive system 1053 are frame structures that are arranged on the fixed plate frame 1051 and can be adjusted. The wheel base width adjustment plate 1052 is arranged on the top of the fixed plate frame. The motor installed under the pitch width adjustment plate is driven by a chain to the screw screw mechanism at the front end of the wheelbase width adjustment plate, and at the same time the other end of the screw reaches the screw screw mechanism at the rear end of the wheelbase width adjustment plate through chain transmission, so that the wheel The distance from the width adjustment plate moves left and right as a whole, which is suitable for the adjustment operation of different wheelbases; the power battery locking device 1054 and the power battery locking drive system 1055 are arranged on an L-shaped bracket on the platform of the tail plate, and X, Y and Z three Each of the direction adjustment drives is completed by an electric push rod; the V-shaped groove 1056 and the rear wheel leveling system 1057 together form a positioning platform for battery replacement, which is used for the positioning operation of battery replacement for electric passenger vehicles, wherein the V-shaped groove 1056 The lower part of the bracket is the sky rail TG of the battery replacement robot, and the lower part of the V-shaped groove 1056 is provided with a dust cover, which is used to prevent dust and/or muddy water from the lower part of the rear wheel of the vehicle from entering the compartment; the rear wheel leveling device 1057 includes 4 rows of rollers , bracket and its sliding rail, hinge, connecting rod, push-pull rod and electric push rod, wherein the electric push rod pushes the push-pull rod, pushes up the connecting rod that rotates around the hinge, and the connecting rod is connected with the bracket of the rear wheel leveling device, the bracket Move along the slide rail that moves up and down to raise or lower the stand.

In Fig. 2, the power battery locking device 1054 and the power battery locking drive system 1055 are arranged on an L-shaped bracket on the platform of the tailgate 105, including electric push rods in X, Y and Z directions, so that the power battery is locked The device is adjusted in the three directions of X, Y and Z to meet the needs of replacing the power battery of electric passenger cars of different models; the power battery locking device 1054 includes an unlocking dial 10541 and a locking electric push rod connected with the unlocking dial 10542, lock the electric push rod to push the unlocking block to complete the unlocking and locking action; the shape of the positioning sleeve T is matched with the shape of the positioning column of the connecting locking device on the chassis of the electric passenger car, and the positioning sleeve T is used in the During the process of replacing and installing the power battery, ensure that the power battery locking device and the vehicle body connecting locking device on the chassis of the electric passenger car contact each other. The positioning sleeve T is provided with a position sensor.

The specific process is as follows: the electric push rods in the X, Y and Z directions position the power battery locking device and the power battery on the chassis of the electric passenger car of different models that need to replace the power battery, and then the lifting device rises to the bottom of the vehicle. After the lower part of the power battery, the positioning sleeve on the power battery locking device is matched with the positioning column on the car body connection locking device, and the lifting device continues to rise. When the position sensor is triggered, the lifting device stops rising and receives the position. After the sensor triggers a signal, it sends an instruction to the locking electric push rod, so that the unlocking block pushes the slider to compress the elastic element. When the preset stroke is reached, the power battery is unlocked from the vehicle. At this time, the lifting device is lowered. When it falls to the preset stroke, Complete the separation of the car body connection locking device and the power battery; after the electric passenger car is positioned on the platform of the tailgate and the power battery that has lost power is removed, the battery replacement robot will connect the fully charged power battery to the power replacement lifting platform After alignment, after the lifting device rises to the lower part of the battery compartment at the bottom of the vehicle, the positioning sleeve on the power battery locking device cooperates with the positioning column on the car body connection locking device, and the lifting device continues to rise. When the trigger position After the sensor, the lifting device stops rising. After receiving the trigger signal from the position sensor, it sends an instruction to lock the electric push rod, drives the unlocking dial to push the slider to compress the elastic element, and the lifting device continues to rise after reaching the preset stroke. When setting the stroke, the power battery has completely entered the battery compartment of the vehicle. At this time, lock the electric push rod to perform reset, push the unlocking dial to move away from the slider, and the upper fixed block of the slider and bracket assembly is attached to the upper positioning column of the power battery. Together, complete the joining of the car body connection locking device and the power battery.

In the case that the height of the vehicle chassis is not enough, in order to smoothly unfold the tailgate, it is necessary to raise the tailgate to a preset height (such as 100mm or 110mm), so that the tailgate can be easily deployed. At this time, a tailgate lifting device can also be used To achieve this, the tailgate lifting device includes a driving motor plus a worm gear reducer, a clutch (electromagnetic clutch or friction clutch), a sprocket transmission mechanism, a groove support column structure and a dust cover, wherein the driving motor plus a worm gear reducer is installed in the compartment At the lower end of the rear part, the output end of the worm gear reducer is connected to the sprocket structure. The lower sprocket structure includes a clutch to ensure that the tail plate is lifted from the ground to disengage the sprocket drive to prevent the worm gear reducer from reversing. The speed ratio of the reducer can be 6 to 10; the chain is fixed with the first chain connector and the second chain connector to ensure the moving distance of the tailgate; the V-shaped groove bracket and the tailgate hinge are connected to the column of the groove bracket; the lower part of the V-shaped groove is provided with The dust cover is used to prevent dust and/or muddy water under the rear wheels of the vehicle from entering the compartment. After the lifting device is started, the clutch of the tail plate landing drive sprocket is started to disengage the sprocket from the worm gear reducer.

The tail lift device can also lift the tail lift to a preset height through an electric push rod.

The fixed plate frame can be bent, cut and welded by sheet metal 15Mn, thickness 5mm, which improves the strength of the frame;

The wheelbase width adjustment plate 1052 and the wheelbase width adjustment drive system 1053 are frame structures that can be moved and adjusted on the fixed plate frame 1051, and its drive structure is shown in Figure 3; the wheelbase width adjustment plate is located above the tailgate fixed plate frame, The driving system is a motor on the left and right sides, the motor is driven by a chain to the screw screw mechanism at the front end of the adjustment plate, and at the same time the other end of the screw is driven by a chain to the screw screw mechanism at the rear end of the adjustment plate, so that the adjustment plate moves from side to side as a whole. Thereby meeting the requirement of adjusting different wheelbases.

The V-shaped groove 1056 is used to place the front wheels of the electric passenger car, and together with the rear wheel leveling system 1057, it forms a battery replacement positioning platform, which provides a basic guarantee for the battery replacement of the electric passenger car, as shown in Figure 4; the V-shaped groove The lower part of the bracket 10561 of 1056 is provided with the sky rail of the battery replacement robot, and the V-shaped groove 1056 is also provided with rollers 10562 and bearings 10563 (the rollers 10562 can make the front wheels of the electric passenger car enter the V-shaped groove, and the rotation of the rollers reduces The friction force of the tire is ensured to ensure that the front wheel is stuck in the V-shaped groove); in order to prevent the dust, muddy water and other dirt at the lower part of the rear wheel of the vehicle from entering the compartment, a dust cover is installed at the lower part of the V-shaped groove.

Rear wheel leveling device 1057 can be by guide bar (not shown in Fig. 5), 4 rows of rollers 10571, support 10572 and its slide rail (not shown in Fig. 5), hinge 10573, connecting rod 10574, push-pull bar 10575 , electric push rod 10576, as shown in Figure 5; wherein, after the rear wheel leveling device receives the instruction, the electric push rod pushes the push-pull rod, pushes up the connecting rod that rotates around the hinge, and the connecting rod and the leveling structure The brackets are connected, and the brackets move along the sliding rails that move up and down, and finally reach the working requirement of raising 50-80mm, so as to achieve the purpose of power battery level and prepare for battery replacement.

As shown in Figure 6-1, the lifting device 106 is arranged at the bottom of the tailgate 105, and the lifting device 106 includes two double scissor fork structures 1061, two electric push rods 1062, an upper bracket 1063, and a lower bracket 1064 And dustproof (rain) cover 1065, the lifting device makes the fixed plate frame on the platform of tailgate rise to preset height. The lifting device is raised by 765mm, so that the plane of the tailgate (electric passenger car battery replacement work) is 1400mm higher than the ground, which is convenient for battery replacement operations. Fig. 6-2 is a perspective view of the lifting device of the present invention.

As shown in Figure 7, the automatic telescopic ramp 108 is arranged on the outermost side of the car body tail, and the automatic telescopic ramp includes a hinge 1081 installed on the bottom plate of the lifting structure at the bottom of the tailgate and a frame plate structure 1083 with a roller 1082 structure at the bottom, as shown in the figure 7. The protective cover 109 is arranged on the outermost side of the car body tail; the inclination angle between the automatic telescopic ramp and the ground during work is greater than 0 degrees and less than 15 degrees, and the length of the automatic telescopic ramp is less than 3000mm.

In a preferred mode, the inclination angle between the automatic telescopic ramp and the ground is 10 degrees, and its length is 2840mm. The inclination angle and the length of the automatic telescopic ramp are convenient for electric passenger cars to drive on the platform of the tailgate, and the automatic telescopic ramp The length is adapted to be installed on a mobile electric car.

As shown in FIG. 8 , the tailgate electric push rod 107 may include two 3-stage electric push rods. Among them, 105-1 is the tail lift in non-working state, 105-2 is the unfolded tail lift, 107-1 is the electric push rod of tail lift in non-working state, and 107-2 is the electric push rod of tail lift in working state; The rod 107 is used to expand and retract the tailgate 105 and the lifting device 106; (the tailgate expansion is completed by two 3-level intelligent electric push rods, the maximum load of the tailgate electric pushrod is 1000kg, and the maximum stroke is 2000mm; the tailgate electric pushrod The non-working state length is 900-1000mm, and the working state of the tailboard electric push rod is extended to 2000mm; the installation diameter of the tailboard electric push rod is 200-220mm, and the working diameter is 100-120mm); the above-mentioned tailboard electric push rod size setting The tailgate can be unfolded and stowed conveniently.

As shown in Figure 9, a schematic diagram of the working state of the mobile electrified vehicle using the tailgate device of the present invention to replace the power battery of the electric passenger car, which shows the process of driving the electric passenger car that needs to replace the power battery to the tailgate The status of the platform.

After receiving the dispatching instructions from the control center, the mobile electrification vehicle drives to the location of the electric passenger vehicle that needs to be replaced. Among them, the mobile electrification vehicle uses a new energy power battery as power;

The electric push rod on the outer side of the car body tail of the mobile electrified car unfolds the tail plate and lays the tail plate flat, and at the same time, the automatic telescopic ramp opens to the preset position;

The electric passenger car is driven onto the platform of the tail plate through the automatic telescopic ramp, and after the tail plate completes the positioning operation for the electric passenger car carried on the platform, the lifter lifts the electric passenger car carried on the tail plate to reach Preset the position and complete the leveling operation of the chassis of the electric passenger car;

After the battery replacement robot transfers the exhausted batteries removed from the chassis of the electric passenger car to the battery dispatching system, the battery dispatching system will transfer the exhausted batteries on the electrical replacement robot to the power battery shelf, and place the power battery on the shelf system. The fully charged battery is moved to the battery replacement robot, and the power battery shelf locks the dead battery;

The battery replacement robot transfers the fully charged battery moved by the battery dispatching system to the lower part of the chassis of the electric passenger car and installs it on the bottom of the car body to complete the control of the power battery replacement.

The utility model is based on a mobile electric passenger car power battery replacement tail plate device, which is characterized in that the tail plate device is arranged outside the tail of the car body of the mobile electrified car, and the tail plate device is placed outside the tail of the car body A protective cover shell forming a three-dimensional space, the tail lift device includes a tail lift, a lifting device, a tail lift electric push rod and an automatic telescopic ramp, wherein the tail lift is driven toward the rear of the car body by the tail lift electric push rod After being unfolded in the direction of the ground, a platform is formed, which is used to control the replacement of the power battery of the electric passenger car after the electric passenger car carried on the platform is positioned; There is a structure set on each side of the left and right sides, which is used to expand and retract the tail plate and the lifting device; the lifting device is arranged at the bottom of the tail plate and placed in the three-dimensional space of the protective cover, and the electric motor Passenger cars form a space for battery replacement operations; the automatic telescopic ramp is set on the outside of the protective cover and can be supported with the ground to form a ramp for driving electric passenger cars onto the tailgate platform.

The platform of the tailgate includes a fixed plate frame, a wheelbase width adjustment plate and a wheelbase width adjustment drive system, wherein the fixed plate frame is a platform structure for carrying an electric passenger car that needs to be replaced with a power battery, and the wheelbase width adjustment plate And the track width adjustment drive system is a frame structure that is set on the fixed plate frame and can be moved and adjusted. The track width adjustment plate is set above the fixed plate frame. , the motor is driven by a chain to the screw screw mechanism at the front end of the wheelbase width adjustment plate, and at the same time the other end of the screw is driven by a chain to the screw screw mechanism at the rear end of the wheelbase width adjustment plate, so that the wheelbase width adjustment plate moves from side to side as a whole , suitable for adjustment operations of different wheelbases.

The platform of the tailgate also includes a power battery locking device, a positioning sleeve and a power battery locking drive system, wherein the power battery locking device and the power battery locking drive system are arranged on an L-shaped bracket on the platform of the tailgate , including electric push rods in X, Y and Z directions, so that the power battery locking device can be adjusted in three directions of X, Y and Z; the power battery locking device includes an unlocking dial and a locking electric push rod connected with the unlocking dial Rod, lock the electric push rod to push the unlocking block to complete the unlocking and locking action; the shape of the positioning sleeve matches the shape of the positioning column of the car body connecting the locking device on the chassis of the electric passenger car, and the positioning sleeve is used for replacement and installation. During the process of power battery, ensure the position where the power battery locking device and the car body connection locking device on the chassis of the electric passenger car are in contact with each other, and a position sensor is arranged in the positioning sleeve.

The platform of the tailgate also includes a V-shaped groove and a rear wheel leveling device for placing the front wheels of the electric passenger car. The positioning control of the battery exchange for passenger cars, in which the lower part of the bracket of the V-shaped groove is the sky rail of the battery exchange robot; the rear wheel leveling device includes 4 rows of rollers, the bracket and its slide rails, hinges, connecting rods, push-pull rods and Electric push rod, wherein the electric push rod pushes the push-pull rod, pushes up the connecting rod that rotates around the hinge, and the connecting rod is connected with the bracket of the rear wheel leveling device, and the bracket moves along the slide rail that moves up and down to raise or lower the bracket.

The tailboard electric push rod is a structural setting with one on the left and right sides of the tail of the car body, and the tailboard electric push rod is a three-stage electric push rod.

The lower part of the V-shaped groove is also provided with a dust cover, which is used to prevent dust and/or muddy water from entering the vehicle compartment at the lower part of the rear wheel of the vehicle.

The lifting device is arranged at the bottom of the tailgate, and the lifting device includes two double-scissor fork structures, two electric push rods, upper and lower brackets and a dust cover, wherein the lifting device fixes the tailgate on the platform The plate rack is raised to a preset height.

The automatic telescopic ramp includes a hinge installed on the bottom plate of the lifting structure at the bottom of the tailgate and a frame plate structure with a roller structure at the bottom. The length of the telescopic ramp is less than 3000mm.

It also includes a protective cover, which is arranged on the outer side of the tail of the car body and forms a three-dimensional space with the fixed frame of the tail plate, and the lifting device is placed in the three-dimensional space of the protective cover, and the automatic telescopic ramp is arranged on the outer side of the protective cover.

The material of the protective cover is made of non-metallic material. The protective cover can be made of carbon fiber plus resin curing (that is, made of glass fiber reinforced plastics, or engineering plastics, etc.), and the inner and outer molds are used to ensure that the inner and outer surfaces of the protective cover are smooth. The overall thickness of the protective cover can be less than or equal to 500mm, the overall length of the protective cover can be less than or equal to 3030mm, and the shell thickness of the protective cover is less than or equal to 10mm. The above settings can ensure the strength of the protective cover and the weight will not be too large. Guarantee normal power replacement needs.

In the description provided herein, numerous specific details are set forth. However, it is understood that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure the understanding of this description.

Similarly, it should be understood that in the above description of exemplary embodiments of the invention, various features of the invention are sometimes grouped together into a single Examples, figures, or descriptions thereof. This method of disclosure, however, is not to be interpreted as reflecting an intention that the claimed invention requires more features than are expressly recited in each claim. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Thus the claims following the Detailed Description are hereby expressly incorporated into this Detailed Description, with each claim standing on its own as a separate embodiment of this invention.

Those skilled in the art can understand that the modules in the device in the embodiment can be adaptively changed and arranged in one or more devices different from the embodiment. Modules or units or components in the embodiments may be combined into one module or unit or component, and furthermore may be divided into a plurality of sub-modules or sub-units or sub-assemblies. All features disclosed in this specification (including accompanying claims, abstract and drawings) and any method or method so disclosed may be used in any combination, except that at least some of such features and/or processes or units are mutually exclusive. All processes or units of equipment are combined. Each feature disclosed in this specification (including accompanying claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise.

In addition, those skilled in the art will understand that although some embodiments described herein include some features included in other embodiments but not others, the combination of features of different embodiments means that they are within the scope of the present invention. range and form different embodiments. For example, in the following claims, any of the claimed embodiments may be used in any combination.

It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention can be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In a unit claim enumerating several means, several of these means can be embodied by one and the same item of hardware. The use of the words first, second, and third, etc. does not indicate any order. These words can be interpreted as names.

Claims (3)

1. the Wheel gauge regulator based on the electric passenger vehicle dynamic battery changing of movable type, it is characterized in that, Wheel gauge regulator comprises: interconnective Track width adjustment plate and Track width adjustment drive system, Track width adjustment plate and Track width adjustment drive system are the framed structures being arranged on removable adjustment on fixing frame plate, and fixing frame plate is the platform structure that carrying needs the tailgate carrying out the electric passenger vehicle changing electrokinetic cell.

2. Wheel gauge regulator as claimed in claim 1, is characterized in that,

Described Track width adjustment plate is arranged at above fixing frame plate, and Wheel gauge regulator also comprises the leading screw screw mechanism of fifth wheel apart from width adjustment front edge of board, with the leading screw screw mechanism of fifth wheel apart from width adjustment plate rear end.

3. Wheel gauge regulator as claimed in claim 2, is characterized in that,

Described Track width guiding drive system is included in the motor arranged below Track width adjustment plate, motor is by the leading screw screw mechanism of Chain conveyer to Track width adjustment front edge of board, the leading screw other end arrives the leading screw screw mechanism of Track width adjustment plate rear end again by Chain conveyer simultaneously, and before and after making Track width adjustment plate, integral left moves right.