CN205589200U

CN205589200U - Automatic turn to and move car device and car

Info

Publication number: CN205589200U
Application number: CN201620445200.2U
Authority: CN
Inventors: 张鑫
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-05-17
Filing date: 2016-05-17
Publication date: 2016-09-21
Anticipated expiration: 2026-05-17

Abstract

The utility model relates to an automobile supplementary field especially relates to an automatic turn to and move car device and car. Should move the car device includes: move wheel, bracing piece, a power unit, the 2nd power unit and controller, the lower extreme of bracing piece passes through the steering spindle and moves the wheel rotation to be connected, and the upper end is used for being connected with the chassis of automobile body, a power unit sets up in the steering spindle, and is connected with the transmission of removal wheel to drive and move the wheel rotation, the 2nd power unit sets up on the bracing piece, and is connected with the steering spindle transmission to it rotates for the bracing piece to drive the steering spindle, a power unit and the 2nd power unit are connected with the controller electricity, the controller is used for setting up in the carriage to control the work of a power unit and the 2nd power unit. The utility model aims to provide a move car device and car, convenient to carry, easy operation, stability height.

Description

Auto-steering moves car device and automobile

Technical field

This utility model relates to a kind of automotive accessory, especially relates to auto-steering and moves car device and automobile.

Background technology

Along with improving constantly of China's expanding economy and living standards of the people, the people having automobile at present gets more and more, Parking facility becomes more and more crowded, stops and turns to especially difficult.Often lived by other car bumper after car owner is stopped, make It cannot be carried out tune or turns to, it is necessary to the car being in the way is removed by the car owner searching out other car, could be opened by the car of oneself Go out, the most greatly waste the time of car owner, also result in the traffic congestion in parking lot, allow for each parking stall simultaneously It is required for the space of enough tunes, greatly wasting space resources, adding use cost.

Automobile in-situ turn back device of the prior art, proposes automobile in-place in patent documentation CN201712585.U Upender, it includes, and automotive frame, the Automobile Gravity Center are installed with crossbeam, crossbeam center is fixed with gripper shoe, Jack, can choose to install base, this automobile in-place takes the lead the jack used and Rotatable base realizes the original place of automobile and takes the lead.When When user needs spot turn, this device is arranged on chassis of vehicle body, then utilizes a thousand pieces of gold top car body jack-up to be rotated 180 °, then this device on the ground and is disassembled from chassis of vehicle body by car body placement.

But, spot turn device of the prior art is only capable of making automobile to rotate with jack for axis, laterally or its During his direction locomotive, then need to select other instrument to move vehicle, function singleness, it is impossible to meet now due to vehicle Increasing and the diversified requirement of parking environment occur, the person of being not convenient to use uses.

Utility model content

The purpose of this utility model is to provide moves car device and automobile, to solve to carry not present in prior art Just the problem that, operation is complicated, stability is poor.

A kind of auto-steering that this utility model provides moves car device, including: movable pulley, support bar, the first actuating unit, Second actuating unit and controller；

The lower end of support bar is rotationally connected with movable pulley by steering spindle, and upper end is for being connected with the chassis of car body；First Actuating unit is arranged in steering spindle, and is in transmission connection with movable pulley, to drive movable pulley to rotate；Second actuating unit is arranged on On support bar, and it is in transmission connection with steering spindle, to drive steering spindle to rotate relative to support bar；

First actuating unit and the second actuating unit are electrically connected with the controller；Controller is used for being arranged in compartment, with control Make the first actuating unit and the work of the second actuating unit.

Further, auto-steering shifting car device also includes telescoping mechanism；One end of telescoping mechanism and the lower end of support bar Being rotationally connected, the other end is rotationally connected for the chassis with car body；Telescoping mechanism is for driving the support bar end relative to car body Dish rotates.

Further, telescoping mechanism arranges receiving portion near one end of support bar；Receiving portion is away from one end of telescoping mechanism Being rotationally connected with support bar, receiving portion is used for accommodating movable pulley.

Further, the lower end of support bar is provided with mounting hole, and the length side of the length direction of mounting hole and support bar Shape has angle；Receiving portion includes two arc-like sheets, one end being arranged on support bar that two arc-like sheets are relative；Two arc-like sheets One end away from support bar is provided with connecting rod, and connecting rod is located in mounting hole.

Further, telescoping mechanism includes that hydraulic cylinder, hydraulic cylinder are electrically connected with the controller.

Further, the upper end of support bar is vertically installed with rotating shaft；Bracing piece it is provided with between rotating shaft and support bar；Rotating shaft It is rotationally connected for the chassis with car body.

Further, the first actuating unit and the second actuating unit all include Worm reduction motor.

Further, support bar and telescoping mechanism are three；Wherein, first support bar is for being arranged on just driving of car body Sailing below position, the second support bar is for being arranged on below the co-driver of car body, and the 3rd support bar is for being arranged on car body Rear portion；Three support bar distributions triangular in shape；One end of each telescoping mechanism is rotationally connected with a support bar.

Further, first support bar is relative to the rotation direction of car body and second support bar rotating relative to car body Direction is and front and back rotates；3rd support bar is square relative to the rotation of car body for left-right rotation.

This utility model additionally provides a kind of automobile, including car body, and above-mentioned shifting car device；Set on the chassis of car body Being equipped with for accommodating the mounting groove moving car device, the upper end of support bar is rotatably connected on the bottom land of mounting groove.

Further, on chassis, it is positioned at the side of mounting groove, locking mechanism is set；Described locking mechanism is for by described Move car device to be fixed in described mounting groove.

Auto-steering provided by the utility model moves car device, and it passes through steering spindle and movable pulley in the lower end of support bar Connecting, the upper end of support bar is connected with automobile chassis.And utilize the first actuating unit to drive steering spindle to move, utilize the second power Mechanism drives movable pulley to rotate.When user moves car device shifting car at user, it is possible to use the first actuating unit adjusts and moves The direction of driving wheel, utilizes the second actuating unit to drive movable pulley to rotate, thus driving automobile turns to and moves, and then meet use The different demands of person, carry car at different parking environments or from different parking environments adapting to automobile parking, it is simple to make User uses.

Accompanying drawing explanation

In order to be illustrated more clearly that this utility model detailed description of the invention or technical scheme of the prior art, below by right In detailed description of the invention or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, describe below In accompanying drawing be embodiments more of the present utility model, for those of ordinary skill in the art, do not paying creativeness On the premise of work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.

The master of the duty that the auto-steering that Fig. 1 provides for this utility model embodiment moves car device and automobile regards Figure；

Fig. 2 moves the vertical view of the non-duty of car device and automobile for the auto-steering that this utility model embodiment provides Figure；

The upward view of the automobile that Fig. 3 provides for this utility model embodiment；

The side view of the automobile that Fig. 4 provides for this utility model embodiment.

Reference:

1-movable pulley；2-support bar；3-steering spindle；

4-receiving portion；5-mounting hole；6-telescoping mechanism；

7-rotating shaft；8-the first actuating unit；9-the second actuating unit；

10-bracing piece；11-locking mechanism；12-mounting groove.

Detailed description of the invention

Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely described, it is clear that described Embodiment is a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, this The every other embodiment that field those of ordinary skill is obtained under not making creative work premise, broadly falls into this practicality Novel protected scope.

In description of the present utility model, " " center ", " on ", D score, "left", "right", " perpendicular it should be noted that term Directly ", " level ", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, be only Must have specific for the ease of describing this utility model and simplification description rather than instruction or the device of hint indication or element Orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " the One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.

In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace Dress ", should be interpreted broadly " being connected ", " connection ", for example, it may be fix connection, it is also possible to be to removably connect, or integratedly Connect；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition Language concrete meaning in this utility model.

Fig. 1 moves the front view of the duty of car device and automobile for the auto-steering that the present embodiment provides.Such as Fig. 1 institute Showing, a kind of auto-steering that the present embodiment provides moves car device, including: movable pulley 1, support bar the 2, first actuating unit 8, second Actuating unit 9 and controller；The lower end of support bar 2 is rotationally connected with movable pulley 1 by steering spindle 3, and upper end is used for and car body Chassis connects；First actuating unit 8 is arranged in steering spindle 3, and is in transmission connection with movable pulley 1, to drive movable pulley 1 to rotate； Second actuating unit 9 is arranged on support bar 2, and is in transmission connection with steering spindle 3, to drive steering spindle 3 relative to support bar 2 turns Dynamic；First actuating unit 8 and the second actuating unit 9 are electrically connected with the controller；Controller is used for being arranged in compartment, to control One actuating unit 8 and the second actuating unit 9 work.

Wherein, the kind of the first actuating unit 8 and the second actuating unit 9 can be have multiple, such as: motor, pneumatic The mechanical energy storage device such as formula or clockwork spring etc..

And for example: toothed gearing electric motor, shape star toothed gearing electric motor, roller gear reducing motor, angular gear reducing motor Deng.

The version of support bar can be multiple, such as: support bar includes vertical pole and installing rack；Installing rack is permissible For A-frame, it is also possible to for I-shaped bracket etc., vertical pole is arranged on installing rack；Installing rack is provided with multiple Steering spindle, the first actuating unit, movable pulley and the second actuating unit, when being A-frame such as installing rack, every at A-frame A steering spindle, first actuating unit, a movable pulley and second actuating unit it is provided with on individual pole.In like manner If installing rack is I-shaped support, be provided with at the two ends of I-shaped each cross bar a steering spindle, one first Actuating unit, a movable pulley and second actuating unit etc..

Certainly, support bar can also be linear, the lower end of each support bar be provided with a steering spindle, one first Actuating unit, a movable pulley and second actuating unit, thus form a shifting car device.Car device is moved at user Time, user can select the shifting car using the quantity such as, two, three or four to fill according to the demand of self Put.

It addition, support bar 2 can be the housing of hollow, for installing the electricity of first actuating unit the 8, second actuating unit 9 The connecting line of power equipment.If support bar 2 is set to entity, the hollow housing of strip can be set in the outside of support bar 2, will The connecting line of these electric devices is arranged in hollow housing, to extend the service life of connecting line.

The auto-steering that the present embodiment is provided moves car device, and it is in the lower end of support bar by steering spindle with movable pulley even Connecing, the upper end of support bar is connected with automobile chassis.And utilize the first actuating unit to drive steering spindle to move, utilize the second engine Structure drives movable pulley to rotate.When user is when using auto-steering to move car device shifting car, it is possible to use the first actuating unit is adjusted The direction of whole movable pulley, utilizes the second actuating unit to drive movable pulley to rotate, thus driving automobile turns to and moves, and then meet The different demands of user, carry car, just at different parking environments or from different parking environments adapting to automobile parking Use in user.

As it is shown in figure 1, on the basis of above-described embodiment, further, auto-steering moves car device and also includes telescopic machine Structure 6；One end of telescoping mechanism 6 is rotationally connected with the lower end of support bar 2, and the other end is rotationally connected for the chassis with car body；Stretch Contracting mechanism 6 rotates relative to the chassis of car body for driving support bar 2.

Wherein, the version of telescoping mechanism 6 can have various ways, such as: cylinder, electricity cylinder or telescoping mechanism 6 wrap Including hydraulic cylinder, hydraulic cylinder is electrically connected with the controller, it is possible to achieve the various stretch modes of jib.

In specific implementation process, one end of telescoping mechanism 6 is rotationally connected with the lower end of support bar 2, the other end for The chassis of car body is rotationally connected；Telescoping mechanism 6 is for driving the support bar 2 chassis rotation relative to car body, the length of support bar 2 More than the height of the wheel of car body, support bar 2 relative to chassis of vehicle body move to support bar 2 vertical with chassis of vehicle body plane time, The wheel of car body disengages with ground, due to the telescopicing performance of telescoping mechanism 6, can control overing of support bar.So, more The user storage auto-steering of being easy to added moves car device, and auto-steering moves car device and is arranged on automobile chassis, uses Person is along with using auto-steering shifting car device.

As it is shown in figure 1, on the basis of above-described embodiment, further, telescoping mechanism 6 is near the receiving portion of support bar 2 4；Receiving portion 4 is rotationally connected with described support bar 2 away from one end of telescoping mechanism 6.

Wherein, receiving portion 4 can have various ways, such as: the curved tabular of receiving portion, or V-shaped tabular, it is also possible to Take the shape of the letter U tabular etc., as long as above-described embodiment can be met, is all applicable to the present embodiment.

In specific implementation process, telescoping mechanism 6 is near the receiving portion 4 of support bar 2；Receiving portion 4 is away from telescoping mechanism 6 One end is rotationally connected with described support bar 2.After auto-steering shifting car device has worked, telescoping mechanism 6 shrinks, will Support bar 2 and movable pulley 1 are regained.After support bar and telescoping mechanism 6 are in same plane, movable pulley is positioned at receiving portion 4, holds The portion that receives reduces auto-steering as far as possible and moves car device volume after folding, improves the auto-steering after folding and moves car device distance The distance on ground, increases the property passed through of automobile.

As it is shown in figure 1, on the basis of above-described embodiment, further, the lower end of support bar 2 is provided with mounting hole 5, and The length of mounting hole 5 is square has angle with support bar 2 length direction；It is provided with connecting rod, connecting rod on two arc-like sheets It is located in mounting hole 5.

In specific implementation process, the lower end of support bar 2 is provided with mounting hole 5, and the length of mounting hole 5 square with support The length direction of bar 2 has angle；Being provided with connecting rod on two arc-like sheets, connecting rod is located in mounting hole 5, makes two arcs Shape sheet has angle with the length direction of support bar 2, and so when telescoping mechanism 6 carries out flexible, mounting hole can be by telescoping mechanism 6 Lateral thrust decompose, a lateral thrust part for telescoping mechanism 6 is decomposed into thrust obliquely, allows the support bar 2 can be suitable The whereabouts of profit, it is to avoid occur that locked situation occur in support bar 2 and telescoping mechanism 6.

Fig. 2 moves the top view of the non-duty of car device for the auto-steering that this utility model embodiment provides, such as Fig. 2 institute Showing, on the basis of above-described embodiment, further, the upper end of support bar 2 is vertically installed with rotating shaft 7；Rotating shaft 7 and support bar 2 Between be provided with bracing piece 10；Rotating shaft 7 is rotationally connected for the chassis with car body.

In specific implementation process, the upper end of support bar 2 is vertically installed with rotating shaft 7, when telescoping mechanism 6 extends, Strut 2 rotates around rotating shaft 7, makes support bar 2 rotate to vertical direction, i.e. support bar 2 vertical with the chassis of car body.Support Car body is supported and departs from ground by bar 2, is provided with bracing piece 10, thus improves rotating shaft 7 work between rotating shaft 7 and support bar 2 Stability, it is ensured that auto-steering moves car device work process safety and reliability.

On the basis of above-described embodiment, further, the first actuating unit 8 and the second actuating unit 9 all include worm gear Worm speed-down motor.

In specific implementation process, Worm reduction motor gear ratio is big, when being typically used as power transmission, and gear ratio i= 8-60；Compact conformation；Can realize " self-locking " when lift angle is less, manufacture processing the most relatively easy；The intersecting axle biography of 90 degree can be realized Dynamic, gear ratio is accurate.When auto-steering shifting car device is in non-duty, support bar 2 and telescoping mechanism 6 are in same On straight line, owing to worm and gear motor can realize self-locking, the movable pulley after can effectively ensureing storage will not arbitrarily change And produce noise.

On the basis of above-described embodiment, further, support bar 2 and telescoping mechanism 6 are three；Wherein, first Strut 2 is for being arranged on below the skipper position of car body, and second support bar 2 is used for being arranged on below the co-driver of car body, 3rd support bar 2 is for being arranged on the rear portion of car body；Three support bar 2 distributions triangular in shape；One end of each telescoping mechanism 6 It is rotationally connected with a support bar 2.

In specific implementation process, when carrying out moving car, after automobile hand brake is put down, first will be located in below skipper position and The first support bar 2 and second support bar 2 below co-driver put down simultaneously, are first supported by the front automobile tire of automotive front Rising to depart from and contact with ground, the 3rd support bar 2 is used for being arranged on the rear portion of car body, then pass through telescoping mechanism 6 by the Three support bars 2 support, and make the rear wheel of automobile depart from the contact in ground, and at this moment three movable pulleys connect with ground simultaneously Touch, then can realize moving car, due to triangular in shape point of three support bars 2 by the first actuating unit and the second actuating unit Cloth, triangle has stable characteristic, makes three support bars 2 by the support of vehicle steadily, it is not easy to produces the danger such as sideslip, enters Enhance to one step auto-steering and move the stability of car device.

On the basis of above-described embodiment, further, the rotation direction of first relative car body of support bar 2 and second Support bar 2 is relative to the rotation direction of car body and front and back rotates；3rd support bar 2 is square relative to the rotation of car body is left Turn right dynamic.

In specific implementation process, first support bar 2 and second support bar 2 are in being disposed longitudinally on automobile chassis.? During moving car, owing to automobile typically all utilizes hand-braking during parking, so, first by first support bar 2 He Second support bar 2 utilizes telescoping mechanism 6 to put down simultaneously, utilizes the first support bar and the second support bar by the front wheel supporting of automobile Get up, and owing to trailing wheel is in on-position, so whole car body does not move forward and backward.Then, by the 3rd support bar 2 Put down, because the 3rd support bar 2 is to be horizontally installed on chassis, with first support bar 2 and the direction of second support bar 2 Vertically, so, when the 3rd support bar 2 is put down by telescoping mechanism 6 simultaneously, the 3rd support bar 2 turning relative to car body Dynamic square for left-right rotation, thus avoid the car body of automobile to move forward and backward, to avoid on car hit the vehicle before and after it.

The upward view of the automobile that Fig. 3 provides for this utility model embodiment；The automobile that Fig. 4 provides for the embodiment of the present invention Side view.As shown in Figure 3 and Figure 4, the present embodiment additionally provides a kind of automobile, and including car body, and above-mentioned auto-steering moves Car device；Being provided with the mounting groove 12 moving car device for accommodating auto-steering on the chassis of car body, the upper end of support bar 2 rotates It is connected to the bottom land of mounting groove 12.

In specific implementation process, auto-steering shifting car device is during running car, and telescoping mechanism 6 is in deflation State, so that whole auto-steering moves stable being placed in mounting groove 12 of car device, the upper end of support bar 2 is rotatably connected on installation The bottom land of groove 12, further saves space.It addition, auto-steering is moved car folding device in mounting groove 12, can avoid Auto-steering moves car device affects the property passed through of automobile.

On the basis of above-described embodiment, further, on chassis, it is positioned at the side of described mounting groove 12, locking is set Mechanism 11, locking mechanism 11 is fixed in mounting groove 12 for auto-steering is moved car device.

Wherein, locking mechanism can have various ways, such as: utilizes expansion link that auto-steering moves car device and is against mounting groove In 12, in order to avoid auto-steering moves car device and comes off in mounting groove 12, and affect the use of automobile.

In concrete implementation process, when auto-steering moves car device for being operated, it is placed in mounting groove 12, Being provided with locking mechanism 11 in mounting groove 12 can avoid auto-steering shifting car device to come off in mounting groove 12, affects automobile Drive.

In each embodiment above-mentioned:

When user needs to turn around automobile in-place, first by the hand-braking of automobile, controller is utilized to control just to be positioned at Telescoping mechanism 6 below operator seat and co-driver works, will be located in skipper for and co-driver below support bar put down And the front-wheel of automobile is propped, then restart and be positioned at automobile telescoping mechanism 6 below and work, will be located in automobile support below Bar puts down and is propped by the trailing wheel of automobile.Then utilize controller to control to be positioned at first below skipper position and co-driver to move Force mechanisms drives steering spindle to turn to predeterminated position in one direction, and controls to be positioned at automobile the first actuating unit below simultaneously Steering spindle is driven to turn to predeterminated position to another way.Recycling controller controls to be positioned under skipper position and co-driver Second actuating unit of side drives movable pulley to rotate in one direction, and controls to be positioned at automobile the second actuating unit below and drive Movable pulley rotates to another way.So, automobile can both have been realized with its central rotation, it is achieved spot turn.

Certainly, user can also be according to the stand of automobile, by utilizing the first actuating unit to adjust steering spindle Angle, and utilize the second actuating unit to adjust the rotation direction of movable pulley and velocity of rotation, realize different angles and The shifting car of different directions.

When user needs laterally to park or during laterally moved out vehicle, and user utilizes controller to manipulate three engines Structure drives steering axes so that three movable pulleys are laterally disposed.Then start three actuating units and drive three movable pulley courts Same direction is moved, thus realizes laterally parking or laterally moved out vehicle.

Last it is noted that various embodiments above is only in order to illustrate the technical solution of the utility model, rather than it is limited System；Although being described in detail this utility model with reference to foregoing embodiments, those of ordinary skill in the art should Understand: the technical scheme described in foregoing embodiments still can be modified by it, or to the most some or all of Technical characteristic carries out equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from this practicality new The scope of type each embodiment technical scheme.

Claims

1. an auto-steering moves car device, it is characterised in that including: movable pulley, support bar, the first actuating unit, second move Force mechanisms and controller；

The lower end of described support bar is rotationally connected with described movable pulley by steering spindle, and upper end is for being connected with the chassis of car body； Described first actuating unit is arranged in described steering spindle, and is in transmission connection with described movable pulley, to drive described mobile round Dynamic；Described second actuating unit is arranged on described support bar, and is in transmission connection with described steering spindle, to drive described steering spindle Rotate relative to described support bar；

Described first actuating unit and described second actuating unit electrically connect with described controller；Described controller is used for being arranged on In compartment, to control described first actuating unit and described second actuating unit work.

Auto-steering the most according to claim 1 moves car device, it is characterised in that also include telescoping mechanism；Described flexible One end of mechanism is rotationally connected with the lower end of described support bar, and the other end is rotationally connected for the chassis with car body；Described flexible Mechanism rotates relative to the chassis of car body for driving described support bar.

Auto-steering the most according to claim 2 moves car device, it is characterised in that described telescoping mechanism is near described support One end of bar arranges receiving portion；Described accommodation section is rotationally connected with described support bar away from one end of described telescoping mechanism, described Receiving portion is used for accommodating described movable pulley.

Auto-steering the most according to claim 3 moves car device, it is characterised in that the lower end of described support bar is provided with waist Shape hole, and the length of the length direction of described mounting hole and described support bar is square has angle；

Described accommodation section includes two arc-like sheets, one end being arranged on described support bar that two described arc-like sheets are relative；Two Described arc-like sheet is provided with connecting rod away from one end of described support bar, and described connecting rod is located in described mounting hole, and institute State support bar between two described arc-like sheets.

5. move car device according to the auto-steering described in any one of claim 1-4, it is characterised in that the upper end of described support bar It is vertically installed with rotating shaft；It is provided with bracing piece between described rotating shaft and described support bar；Described rotating shaft is used for and described car body Chassis is rotationally connected.

6. move car device according to the auto-steering described in any one of claim 1-4, it is characterised in that described first actuating unit Worm reduction motor is all included with described second actuating unit.

7. move car device according to the auto-steering described in any one of claim 2-4, it is characterised in that described support bar is with flexible Mechanism is three；Wherein, first described support bar is for being arranged on below the skipper position of car body, and support bar described in second is used Below the co-driver being arranged on described car body, the 3rd described support bar is for being arranged on the rear portion of described car body；Three The distribution triangular in shape of described support bar；One end of each described telescoping mechanism is rotationally connected with a described support bar.

Auto-steering the most according to claim 7 moves car device, it is characterised in that first described support bar is relative to car body Rotation direction and second described support bar be relative to the rotation direction of car body and front and back rotate；3rd described support bar Square relative to the rotation of car body for left-right rotation.

9. an automobile, including car body, it is characterised in that include the shifting car device as described in any one of claim 1-8；

Being provided with the mounting groove for accommodating described shifting car device on the chassis of described car body, the upper end of described support bar rotates even It is connected on the bottom land of described mounting groove.

Automobile the most according to claim 9, it is characterised in that on described chassis, is positioned at the side of described mounting groove, if Put locking mechanism；Described locking mechanism is for being fixed on described shifting car device in described mounting groove.