CN218367460U - Position determination device convenient to improve and detect precision, carry car platform and trade power station - Google Patents

Abstract

The utility model provides a position determination device, year car platform and trade station convenient to improve detection accuracy, position determination device include bottom plate, spacing part, movable block, photoelectric switch, and spacing part is located the bottom plate top and is used for making the spacing region of wheel position determination on the bottom plate, and the movable block is located in the spacing region, then the movable block is promoted by the wheel and is followed initial position displacement to presetting the position in the wheel gets into spacing region, photoelectric switch have along the photoinduction groove that the displacement direction of movable block extends, works as the movable block is in when presetting the position, the movable block part is located the photoinduction inslot makes photoelectric switch is triggered and sends out the position determination signal of telecommunication. When the wheels run to the limiting area, the proximity switch is triggered to send out a position determining electric signal, so that the battery replacing equipment can be triggered in time to perform the next battery replacing operation, and the electric signal can also enable a driver to know that the electric automobile reaches the limiting area, so that the battery replacing efficiency is improved.

Description

Position determination device convenient to improve and detect precision, carry car platform and trade power station

This application claims priority to chinese patent application 2021222696171, bearing a filing date of 2021, 9, month 17. The present application refers to the above-mentioned chinese patent application in its entirety.

Technical Field

The utility model relates to an electric automobile field, in particular to position determination device, year car platform and trade the station convenient to improve and detect the precision.

Background

The battery replacing station is used for replacing batteries of the electric automobile, after the electric automobile drives into a vehicle carrying platform of the battery replacing station and the stable position is determined, the battery replacing equipment of the battery replacing station drives into the battery replacing chamber from the charging chamber, and the batteries of the electric automobile are replaced.

However, the existing vehicle carrying platform cannot automatically determine whether the electric vehicle has traveled to a specific position, the existing vehicle carrying platform is determined by manually detecting the vehicle traveling position, and the battery replacement device performs the battery replacement operation of the electric vehicle, and conventionally, a wide-angle lens is usually arranged in a battery replacement station, a driver determines whether the wheels travel to the specific position by a visual inspection mode, and the operation of the driver is inconvenient, or the existing technology acquires that the vehicle travels to a preset position by light emission and light reception.

The reference CN210554306U discloses a vehicle position determination and detection device, which is disposed on the mounting seats corresponding to the two sides of the center of the V-shaped mounting platform, and the wheel position determination and detection device is electrically connected to the controller. The wheel position determining and detecting device adopts a correlation photoelectric sensor, a receiving end and a transmitting end of the correlation photoelectric sensor are respectively arranged on the mounting seats corresponding to the two sides of the center of the V-shaped mounting platform through a bracket, and the correlation photoelectric sensor is electrically connected with the controller. The receiving end and the transmitting end of the photoelectric sensor are arranged on two sides of the mounting platform, so that the detection precision is not high.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to carry the defect that whether car platform automatic judgement electric automobile has gone the detection precision of the device of appointed position is low among the overcome prior art, provide a position determination device convenient to improve and detect the precision, carry the car platform and trade the station.

The utility model discloses an above-mentioned technical problem is solved through following technical scheme:

a position determining apparatus that facilitates improving detection accuracy, the position determining apparatus comprising:

a base plate;

a spacing component located above the floor and configured to position a wheel at a spacing area on the floor, the spacing area configured to enable upward support of the wheel;

the movable block is positioned in the limit area, and when the wheel enters the limit area, the movable block is pushed by the wheel to move from an initial position to a preset position;

a photoelectric switch having a light-sensing groove extending along a displacement direction of the movable block, the movable block being partially located in the light-sensing groove when the movable block is at the preset position, such that the photoelectric switch is triggered and emits a position-determining electrical signal.

In this scheme, the position determination device can play limiting displacement to the wheel through spacing part, and when the wheel went to spacing region on, spacing part can make the wheel inject in spacing region, and simultaneously, the wheel promoted the movable block and moved to predetermineeing the position from initial position, triggered photoelectric switch sends the position and confirms the signal of telecommunication, can remind to trade the station vehicle and reach spacing region, and the signal of telecommunication can in time trigger to trade the electric equipment and carry out next step and trade electric operation to trade electric efficiency has been improved. In addition, the electric signal can inform the electric automobile driver in various forms, so that the driver can know that the electric automobile reaches a limit area, manual judgment is not needed, and the difficulty of driving operation is reduced. The photoelectric switch can detect in a non-contact mode, so that the photoelectric switch cannot be worn and damaged by a detected object, the service life of the position determining device is prolonged, the photoelectric switch is not influenced by a magnetic field and vibration, the electromagnetic compatibility is good, the photoelectric switch can be suitable for a complex electromagnetic environment and a complex vibration environment of a battery replacement station, in addition, the photoelectric switch is high in response speed and resolution, the judgment accuracy and the judgment speed of the position determining device can be improved, the detection sensitivity of the light induction groove is high, the precision of vehicle position detection is improved, a bottom plate and a movable block are adopted, and the precision is higher.

Preferably, the bottom of bottom plate is provided with the mount pad, the mount pad include with the parallel first mounting panel of displacement direction, photoelectric switch set up in on the first mounting panel.

In this scheme, photoelectric switch passes through the mount pad and is fixed in the bottom to photoelectric switch's installation for photoelectric switch can be located the detection position of ideal, and first mounting panel is parallel with the displacement direction of movable block, ensures that photoelectric switch's photoinduction groove can be by as much as sheltering from, when the movable block removed through photoinduction groove, then can trigger photoelectric switch.

Preferably, the photoelectric switch is fixed on the first mounting plate in a manner that the photoelectric switch is adjustable along the moving direction of the movable block, and/or the angle between the extending direction of the light sensing groove and the moving direction of the movable block is adjustable.

In the scheme, even if the actual relative position of the mounting seat and the movable block deviates from the design requirement due to machining errors or assembly errors, the position of the photoelectric switch on the first mounting plate can be adjusted, and the position of the light induction groove corresponds to the preset position of the movable block, so that the situation that the photoelectric switch is triggered in advance or cannot be triggered due to the position deviation of the photoelectric switch is avoided, and the smooth operation of the power switching operation is ensured. In addition, the angle of the light induction groove is adjustable, so that the extending direction of the light induction groove can be aligned with the moving direction of the movable block, and the effect of compensating machining errors and assembling errors is also achieved. By the arrangement mode, the machining precision requirement of the position determining device is reduced, so that the machining cost is saved, and the installation efficiency of the position determining device is improved.

Preferably, the first mounting plate is provided with a first mounting hole, the first mounting hole is a waist hole, the photoelectric switch passes through the waist hole and is fixed with the first mounting plate, and the extending direction of the waist hole is parallel to the moving direction of the movable block.

In this scheme, through changing the position of photoelectric switch on the waist hole for photoelectric switch's position and the position looks adaptation of movable block ensure that when the movable block reachd preset the position, photoelectric switch can be triggered. Specifically, the photoelectric switch can be mounted in the waist hole through a bolt, and the bolt is fastened when the photoelectric switch is in a proper position during mounting.

Preferably, the first mounting plate has two parallel first mounting holes, two fastening screws are respectively matched with the two first mounting holes to fix the photoelectric switch, and the diameter of each fastening screw is smaller than the width of each first mounting hole.

In this scheme, because the width of first mounting hole is broad, therefore photoelectric switch can utilize the clearance between first mounting hole and the fastening screw along the motion direction translation of perpendicular to movable block, and in addition, two fastening screws can also stagger along the motion direction of movable block to realize photoelectric switch's rotation, with the angle of adjustment photoinduction groove.

Preferably, the mounting seat comprises a second mounting plate, the second mounting plate is fixed below the bottom plate, and the second mounting plate and the bottom plate are adjustable and fixed along a direction perpendicular to the moving direction of the movable block.

In this scheme, the mount pad is fixed in the bottom plate through the second mounting panel, through adjusting the position of second mounting panel on the bottom plate, can adjust the distance between photoelectric switch and the movable block.

Preferably, the second mounting plate is provided with a threaded through hole, the second mounting plate is installed on the bottom plate through the threaded through hole, and the threaded through hole is a waist hole.

In this scheme, the screw can be fixed in the bottom plate through the screw through hole with the second mounting panel, when the position of second mounting panel is adjusted to needs, can unscrew the screw, makes the second mounting panel remove to suitable position along the extending direction in waist hole afterwards, screws up the fix with screw second mounting panel again.

Preferably, the movable block comprises a shielding plate extending along a displacement direction, and when the movable block is located at the preset position, the shielding plate is located in a light sensing groove of the photoelectric switch.

In this scheme, utilize the shielding plate to trigger photoelectric switch, the shielding plate set up the position can be comparatively nimble to adapt to photoelectric switch at the installation space of bottom plate below, avoid photoelectric switch and other spare parts to take place to interfere.

Preferably, the bottom of the bottom plate is provided with a mounting seat, the mounting seat comprises a first mounting plate parallel to the displacement direction, a first mounting hole is formed in the first mounting plate, the photoelectric switch is fixed to the first mounting plate through the first mounting hole, and the first mounting plate is parallel to the shielding plate.

In this scheme, first mounting panel and shielding plate are parallel to each other, and the direction of motion of shielding plate also is parallel with first mounting panel, therefore the shielding plate is difficult to interfere with the mount pad at the in-process of motion, and the structure is comparatively compact.

Preferably, the movable block can reciprocate between an initial position and a preset position, the bottom plate is provided with a detection hole, the movable block slidably penetrates through the detection hole, and the photoelectric switch is located below the bottom plate;

when the movable block is located at the initial position, the movable block protrudes out of the upper surface of the bottom plate from the detection hole; when the movable block is located at the preset position, the movable block retracts downwards into the detection hole and triggers the photoelectric switch.

In this scheme, the movable block that is in initial position can follow the detection hole protrusion in bottom plate, and when the wheel traveled spacing region, the wheel promoted and arrives preset position from the protruding movable block of bottom plate to trigger photoelectric switch. When the movable block is in the preset position, the upper surface of the movable block is flush with the upper surface of the base plate, or can be slightly higher than the upper surface of the base plate, so that the photoelectric switch can be triggered.

Preferably, the position determining apparatus includes an elastic member for providing the movable block with an elastic force required to move toward the initial position.

In this scheme, when the wheel rolled out from spacing region, under the effect of elastic component, the movable block can be automatically from predetermineeing the position and removing to initial position, need not manual operation. The elastic member may be a metal spring, an air spring, etc., a rubber spring, etc.

Preferably, the movable block comprises a pressure plate, and one end of the elastic piece abuts against the pressure plate.

In this scheme, the elasticity of elastic component acts on the clamp plate, because the clamp plate area is great, consequently can set up a plurality of springs that lean on the clamp plate to share load, and make elasticity comparatively steady.

Preferably, at least one guide rod is fixed to the lower portion of the bottom plate, the elastic member is sleeved outside the guide rod, a limiting step is arranged at an end portion, far away from the bottom plate, of the guide rod, one end of the elastic member abuts against the pressing plate, and the other end of the elastic member abuts against the limiting step.

In this scheme, the guide arm plays the guide effect to elastic component and movable block for the direction of motion of movable block keeps certain. When the movable block is in the initial position, the elastic member may be in a compressed state so that the movable block can be held in the initial position. Specifically, the guide arm can be the screw, and the one end threaded connection of screw constitutes spacing step in the bottom plate, the head of screw, and under this condition, the installation of elastic component is comparatively convenient, in addition, can reach the effect of adjusting the elastic force through the elasticity degree of adjustment screw. Preferably, the screw can be a plug screw, and the section of the plug screw matched with the elastic part is a polished rod, so that the extension and the compression of the spring are not influenced, and the elastic part is prevented from being clamped.

Preferably, the position limiting member includes:

the front position determining clamping part and the rear position determining clamping part are symmetrically arranged on the front side and the rear side of the limiting area;

and/or

And the guide position determining clamping roller devices are provided with two groups, and are symmetrically arranged on the left side and the right side of the limiting area.

In this scheme, preceding position is confirmed clamping part and is used for carrying on spacingly to the displacement around the wheel with the clamping part is confirmed to the back position, prevents that the wheel from rolling around, and guiding position confirms that presss from both sides tight running roller device and can play the guide effect to the wheel, and the wheel can be guided in spacing region.

A vehicle carrying platform comprising a position determining device as described above.

In the scheme, the vehicle carrying platform can automatically monitor that the vehicle reaches the preset appointed position by applying the position determining device, and does not depend on manual judgment to determine whether the position of the vehicle is determined, so that the vehicle carrying platform has better safety and higher power conversion efficiency.

A power changing station comprises a vehicle power changing mechanism and the vehicle carrying platform.

The utility model discloses an actively advance the effect and lie in: the utility model discloses a position determination device and year car platform can play limiting displacement to the wheel through spacing part, when the wheel went to spacing region, spacing part can make the wheel in spacing region, through using above-mentioned position determination device, can automatically monitor that the vehicle has arrived predetermined appointed position, do not rely on the artifical vehicle position determination of judging, consequently, better security and higher electricity conversion efficiency have, additionally, photoelectric switch is owing to can detect with the non-contact mode, so can not wear and tear and damage the detected object, thereby the operating life of position determination device has been improved, and photoelectric switch does not receive the influence of magnetic field and vibration, electromagnetic compatibility is good, can be applicable to and trade this kind of complicated electromagnetic environment and vibration environment in station, additionally, photoelectric switch response speed is fast, high resolution ratio, can improve position determination device's judgement accuracy and judgement speed. The utility model discloses a trade power station has higher operation security and operation convenience, when the vehicle traveles appointed position, can remind to trade the power station vehicle and reach spacing region, also can automatic triggering trade the electrical equipment and carry out the operation of trading on next step to it trades electric efficiency to have improved. Meanwhile, the wheels push the movable block to move to a preset position from an initial position, the photoelectric switch is triggered to send out a position determination electric signal, a driver can know that the electric automobile runs to a limit area without manual judgment, and therefore the difficulty of driving operation is reduced.

Drawings

Fig. 1 is a schematic structural diagram of a power swapping station according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of a vehicle carrying platform according to an embodiment of the present invention.

Fig. 3 is a schematic structural view of a front lifting platform of a vehicle-carrying platform according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a position determining apparatus according to an embodiment of the present invention.

Fig. 5 is a schematic partial structural diagram of a position determining apparatus according to an embodiment of the present invention.

Fig. 6 is another partial schematic structural diagram of a position determining apparatus according to an embodiment of the present invention.

Description of the reference numerals

Battery replacement station 100

Vehicle carrying platform 10

Platform body 1

Position determining device 2

Bottom plate 21

Detection hole 211

Front position determining clamp 22

Rear position determining clamp 23

Clamping roller device 24

Position determining roller 241

Position determining support 242

Guide roller 25

Lifting device 3

Lifting platform 31

Lifting mechanism 32

Front lifting table 33

Rear lifting platform 34

Movable block 4

Projection 41

Pressure plate 42

Shielding plate 43

Guide rod 5

Limiting step 51

Mounting seat 6

First mounting plate 61

First mounting hole 611

Second mounting plate 62

Threaded via 621

Third mounting plate 63

Photoelectric switch 7

Light-sensing groove 71

Elastic member 8

Fastening screw 9

Detailed Description

The present invention will be more clearly and completely described below with reference to the accompanying drawings.

As shown in fig. 1, fig. 2, and fig. 3, the power exchanging station 100 provided in this embodiment includes a power exchanging device and a vehicle carrying platform 10, where the power exchanging device is used to exchange a battery for an electric vehicle, the vehicle carrying platform 10 includes a platform body 1, a position determining device 2, and a lifting device 3, the electric vehicle can travel onto the platform body 1, and the position determining device 2 is disposed on the platform body 1 at a position corresponding to a parking position of a wheel of the electric vehicle, and is used to determine the position of the wheel. The position determination devices 2 may be provided in four, that is, one position determination device 2 may be provided for each wheel of the electric vehicle, or only two position determination devices 2 may be provided, where two position determination devices 2 correspond to two wheels on the left side of the electric vehicle, or two wheels on the right side of the electric vehicle.

Can utilize single lifting device 3 to lift whole electric automobile, also can adopt a plurality of lifting device 3 to realize lifting and reseing, in this embodiment, lifting device 3 is provided with two, lifting platform 33 and back lifting platform 34 before being respectively, realize lifting and reseing through two lifting device 3 and for the example the demonstration, but this demonstration should not be understood as right the utility model discloses protection scope's restriction.

As shown in fig. 3, by taking the lifting platform 33 as an example, the lifting device 3 includes a lifting platform 31 and a lifting mechanism 32, the platform body 1 is mounted on the lifting platform 31, and the lifting mechanism 32 is used for driving the lifting platform 31 to move up and down, so that the lifting device 3 can be used for lifting the platform body 1, thereby realizing lifting of the electric vehicle, when the electric vehicle is replaced, the lifting device 3 cooperates with the battery replacing device to lift or lower the electric vehicle, so that the battery replacing device can enter the bottom of the electric vehicle to perform the battery replacing operation (i.e. to detach and mount the battery).

Referring to fig. 3 and 4, in the present embodiment, the position determining device 2 corresponding to the left front wheel includes a bottom plate 21, a stopper member located above the bottom plate 21 and for causing the wheel position to determine a stopper region on the bottom plate 21, the stopper region being capable of supporting the wheel upward, and a detecting member.

The limiting component is used for limiting the movement trend of the wheels in the front-back direction and/or the movement trend of the wheels in the left-right direction. Thus, a single stop element enables a position determination of the wheel at least in the front-rear direction or in the left-right direction, or a complete position determination of the wheel in a horizontal plane. By providing a plurality of wheel position determination devices 2, it is possible to achieve complete position determination of the electric vehicle on a horizontal plane.

Specifically, in this embodiment, the position restricting member includes a front position determining clamping portion 22 and a rear position determining clamping portion 23 which are symmetrically disposed on the front and rear sides of the position restricting region, and two sets of guide position determining clamping roller devices 24 which are symmetrically disposed on the left and right sides of the position restricting region. The front position determining clamping part 22 and the rear position determining clamping part 23 are used for limiting the front and rear displacement of the wheel to prevent the wheel from rolling back and forth, the guide position determining clamping roller device 24 can play a role in guiding the wheel, and the wheel can be guided into a limiting area.

The single limiting component can be provided with only the front position determining clamping part 22 and the rear position determining clamping part 23, or only two groups of guide position determining clamping roller devices 24, or can be provided with the four position determining components at the same time to meet different position determining requirements, and the adjustment can be carried out by the skilled person according to the actual situation.

The position determining pinch roller devices 24 each include a position determining roller 241 extending in the direction of the preset path, and the position determining roller 241 is connected to the base plate 21 by a position determining bracket 242. If the wheel is deviated and runs on the position determination roller 241, the position determination roller 241 rolls, and the wheel slides to a preset position along the rolling of the position determination roller 241.

As shown in fig. 4, the limiting component further includes two guiding rollers 25 located at the rear side of the clamping roller device 24, the two guiding rollers 25 are arranged in a splayed shape and are opened towards the rear, and in the guiding process, the wheels and the guiding rollers 25 are in rolling friction, and the two rollers have smaller friction loss. The guide rollers 25 preferably have a longer running surface to guide the wheel over a longer distance.

Referring to fig. 4 and 5, in the present embodiment, the detecting component includes a movable block 4 and a photoelectric switch 7, specifically, the photoelectric switch 7 has a light sensing groove 71, a light emitting device and a light sensing device are disposed in the light sensing groove 71, a shield is present in the light sensing groove 71, and when light received by the light sensing device is lower than a threshold value, the photoelectric switch 7 sends an electrical signal. The movable block 4 is located in the limit area, when the wheel enters the limit area, the movable block is pushed by the wheel to move from the initial position to the preset position, and when the movable block 4 is located at the preset position, the light sensing groove 71 is shielded by the movable block 4, so that the photoelectric switch 7 is triggered and sends a position determination electric signal.

When the wheels enter the limiting area, the wheels push the movable block to move to the preset position from the initial position, the photoelectric switch 7 is triggered to send out a position determining electric signal, and the electric signal can trigger the battery replacing equipment to perform the next battery replacing operation in time, so that the battery replacing efficiency is improved. In addition, the electric signal can inform the electric automobile driver in various forms, so that the driver can know that the electric automobile reaches a limit area, manual judgment is not needed, and the difficulty of driving operation is reduced. The photoelectric switch 7 can detect in a non-contact manner, so that the detected object cannot be abraded or damaged, the service life of the position determining device is prolonged, the photoelectric switch is not influenced by a magnetic field and vibration, the electromagnetic compatibility is good, the photoelectric switch can be suitable for a complex electromagnetic environment and a complex vibration environment such as a power station, in addition, the photoelectric switch is high in response speed and resolution, and the judgment accuracy and the judgment speed of the position determining device can be improved.

As shown in fig. 5 and 6, the mounting seat 6 is provided on the bottom of the base plate 21, the mounting seat 6 includes a first mounting plate 61 parallel to the displacement direction, and the light sensing groove 71 of the photoelectric switch 7 is provided on the first mounting plate 61. Photoelectric switch 7 is fixed in bottom plate 21 through mount pad 6 to photoelectric switch 7's installation for photoelectric switch 7 can be located the detection position of ideal, and first mounting panel 61 is parallel with the displacement direction of movable block 4, ensures that photoelectric switch 7's photoinduction groove 71 can be sheltered from as much as possible, in order to guarantee to trigger photoelectric switch, when movable block 4 removed through photoinduction groove 71, then can trigger photoelectric switch 7.

The photoelectric switch 7 is adjustably fixed to the first mounting plate 61 along the moving direction of the movable block 4, and in the present embodiment, the angle between the extending direction of the light sensing groove 71 and the moving direction of the movable block 4 is also adjustable. Even if the actual relative position between the mounting base 6 and the movable block 4 deviates from the design requirement due to the machining error or the assembly error, the position of the photoelectric switch 7 on the first mounting plate 61 can be adjusted, and the position of the light sensing groove 71 corresponds to the preset position of the movable block 4, so that the situation that the photoelectric switch 7 is triggered in advance or cannot be triggered due to the deviation of the position is avoided, and the smooth operation of the battery replacement operation is ensured. In addition, by making the angle of the photosensitive groove 71 adjustable, the extending direction of the photosensitive groove 71 can be aligned with the moving direction of the movable block 4, and the same function of compensating for the machining error and the assembling error is also achieved. By the arrangement mode, the machining precision requirement of the position determining device is reduced, so that the machining cost is saved, and the installation efficiency of the position determining device is improved.

The first mounting plate 61 is provided with a first mounting hole 611, the first mounting hole 611 is a waist hole, the photoelectric switch 7 passes through the waist hole and is fixed with the first mounting plate, and the extending direction of the waist hole is parallel to the moving direction of the movable block. By changing the position of the photoelectric switch 7 on the waist hole, the position of the photoelectric switch 7 is matched with the position of the movable block 4, and the photoelectric switch 7 can be triggered when the movable block 4 reaches a preset position. Specifically, the photoelectric switch 7 can be mounted in the waist hole by a fastening screw, and the fastening screw 9 is locked when the photoelectric switch 7 is in a proper position during mounting. Because the width of the first mounting hole 611 is wide, the photoelectric switch 7 can translate along the direction perpendicular to the moving direction of the movable block by using the gap between the first mounting hole 611 and the fastening screw 9, and the two fastening screws 9 can also be staggered (i.e. staggered one above the other) along the moving direction of the movable block 4, so that the rotation of the photoelectric switch 7 is realized to adjust the angle of the light-sensing groove 71.

Further, the first mounting plate 61 has two parallel first mounting holes 611, and two fastening screws respectively cooperate with the two first mounting holes to fix the photoelectric switch, the diameter of the fastening screws being smaller than the width of the first mounting holes.

The mounting seat 6 includes a second mounting plate 62, the second mounting plate 62 is fixed below the bottom plate 21, and as a preferred embodiment, the second mounting plate 62 is adjustably fixed with the bottom plate 21 along the moving direction of the vertical movable block 4. The mounting seat 6 is fixed on the bottom plate 21 through the second mounting plate 62, and the distance between the photoelectric switch 7 and the movable block 4 can be adjusted by adjusting the position of the second mounting plate 62 on the bottom plate. If the distance between the photoelectric switch 7 and the movable block 4 is too close, interference is easy to occur; if the distance between the photoelectric switch 7 and the movable block 4 is too far, there is a possibility that the movable block 4 does not enter the photo-sensing groove 71 even when the movable block 4 has reached the preset position.

The second mounting plate 62 is provided with a threaded through hole 621, the second mounting plate 62 is mounted on the bottom plate 21 through the threaded through hole 621, and the threaded through hole 621 is a waist hole. The screw can fix the second mounting plate 62 to the bottom plate 21 through the threaded hole 621, and when the position of the second mounting plate 62 needs to be adjusted, the screw can be loosened, then the second mounting plate 62 is moved to a proper position along the extending direction of the waist hole, and then the screw is tightened to fix the second mounting plate 62.

The movable block 4 is provided with a protruding part 41, when the movable block 4 is in the initial position, the protruding part 41 can protrude from the detection hole 211 to the bottom plate 21, and when the wheel runs to the limit area, the wheel pushes the movable block 4 protruding from the bottom plate 21 to reach the preset position, so that the photoelectric switch 7 is triggered. When the movable block 4 is at the preset position, the upper surface of the movable block 4 is flush with the upper surface of the bottom plate 21, or may be slightly higher than the upper surface of the bottom plate 21, so as to ensure that the photoelectric switch 7 can be triggered.

The detection means comprises an elastic member 8, the elastic member 8 being adapted to provide the movable block 4 with an elastic force required for movement towards the initial position. When the wheel is rolled out from the limit area, the movable block 4 can automatically move from the preset position to the initial position under the action of the elastic piece 8 without manual operation. The elastic member 8 may be a metal spring, an air spring, or the like, a rubber spring, or the like.

The movable block 4 includes a pressing plate 42, and one end of the elastic member 8 abuts against the pressing plate 42. The elastic force of the elastic member 8 acts on the pressing plate 42, and since the pressing plate 42 has a large area, a plurality of springs abutted against the pressing plate 42 may be provided to share the load and make the elastic force stable. In the present embodiment, four elastic members 8 are provided to act on four corners of the pressing plate 42, respectively, so that the pressing plate 42 is uniformly subjected to the elastic force.

At least one guide rod 5 is fixed on the lower part of the bottom plate 21, the elastic part 8 is sleeved outside the guide rod 5, the end part of the guide rod 5 far away from the bottom plate 21 is provided with a limit step 51, one end of the elastic part 8 is abutted against the pressure plate 42, and the other end is abutted against the limit step 51. The guide rod 5 guides the elastic member 8 and the movable block 4 so that the moving direction of the movable block 4 is maintained. When the movable block 4 is in the initial position, the elastic member 8 may be in a compressed state so that the movable block 4 can be held in the initial position. Specifically, the guide rod 5 may be a screw, one end of the screw is connected to the bottom plate 21 in a threaded manner, and the head of the screw forms the limiting step 51, so that the elastic member 8 is convenient to mount, and in addition, the elastic force can be adjusted by adjusting the tightness degree of the screw. Preferably, the screw may be a plug screw, and a section of the plug screw, which is engaged with the elastic member 8, is a polished rod, so that the extension and compression of the spring are not affected, and the elastic member 8 is prevented from being clamped.

As a preferred embodiment, the movable block 4 can reciprocate up and down, when the wheel enters the limit area, the movable block 4 is pushed down to a preset position, and when the wheel leaves the limit area, the movable block 4 moves up to an initial position under the action of the elastic member 8.

In some other embodiments, a tension spring may be disposed between the bottom plate 21 and the pressing plate 42, and the tension spring may provide an elastic force to the movable block 4 when the movable block 4 is at the predetermined position, so that the movable block 4 can move toward the initial position.

The edge of the pressing plate 42 is connected with a shielding plate 43 extending along the displacement direction, and when the movable block 4 is at the preset position, the shielding plate 43 is positioned in the light sensing groove 71 of the photoelectric switch 7. Utilize shielding plate 43 to trigger photoelectric switch 7, shielding plate 43's the position of setting can be comparatively nimble to adapt to photoelectric switch 7 at the installation space of bottom plate below, avoid photoelectric switch 7 to take place to interfere with other spare parts. In a preferred embodiment, the first mounting plate 61 and the shielding plate 43 are parallel to each other, the structural arrangement is compact, and the moving direction of the shielding plate 43 is also parallel to the first mounting plate 61, so that the shielding plate 43 is not easily interfered with the mounting seat 6 during the moving process.

In the present embodiment, a third mounting plate 63 is further disposed between the first mounting plate 61 and the second mounting plate 62, the first mounting plate 61 is perpendicular to the third mounting plate 63, the second mounting plate 62 is also perpendicular to the third mounting plate 63, and the third mounting plate 63 enables the position of the photoelectric switch 7 on the first mounting plate 61 to correspond to the position of the shielding plate 43.

Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are within the scope of the present invention.

Claims (16)

1. A position determining apparatus that facilitates improving detection accuracy, the position determining apparatus comprising:

a base plate;

a spacing component located above the floor and configured to position a wheel at a spacing area on the floor, the spacing area configured to enable upward support of the wheel;

the movable block is positioned in the limit area, and when the wheels enter the limit area, the movable block is pushed by the wheels to move from an initial position to a preset position;

a photoelectric switch having a light-sensing groove extending along a displacement direction of the movable block, the movable block being partially located in the light-sensing groove when the movable block is at the preset position, such that the photoelectric switch is triggered and emits a position-determining electrical signal.

2. The position determining apparatus as claimed in claim 1, wherein a mounting seat is provided at a bottom of the base plate, the mounting seat including a first mounting plate parallel to the displacement direction, the photoelectric switch being provided on the first mounting plate.

3. The position determining apparatus as claimed in claim 2, wherein the photoelectric switch is adjustably fixed to the first mounting plate in a moving direction of the movable block, and/or an angle between an extending direction of the light sensing groove and the moving direction of the movable block is adjustable.

4. The position determining apparatus as claimed in claim 3, wherein the first mounting plate is provided with a first mounting hole, the first mounting hole is a waist hole, the photoelectric switch is fixed to the first mounting plate through the waist hole, and the waist hole extends in a direction parallel to the moving direction of the movable block.

5. The position determining apparatus as set forth in claim 4, wherein said first mounting plate has two parallel said first mounting holes, two fastening screws are respectively engaged with said two first mounting holes to fix said photoelectric switch, and a diameter of said fastening screw is smaller than a width of said first mounting hole.

6. The position determining apparatus of claim 2, wherein the mounting block includes a second mounting plate fixed below the base plate, the second mounting plate being adjustably secured to the base plate in a direction perpendicular to the direction of movement of the movable block.

7. The position determining apparatus of claim 6, wherein the second mounting plate has a threaded through hole disposed thereon, the second mounting plate being mounted to the base plate via the threaded through hole, the threaded through hole being a kidney hole.

8. The position determining apparatus of claim 1, wherein said movable block includes a shutter extending in a direction of displacement, said shutter being located within said light sensing slot when said movable block is in said preset position.

9. The position determining apparatus as claimed in claim 8, wherein a mounting seat is provided at a bottom of the base plate, the mounting seat including a first mounting plate parallel to the displacement direction, the photoelectric switch being provided on the first mounting plate, the first mounting plate being perpendicular to the shielding plate.

10. The position determining apparatus according to claim 1, wherein the movable block is capable of reciprocating between an initial position and a preset position, the base plate has a detection hole, the movable block is slidably disposed through the detection hole, and the photoelectric switch is located below the base plate;

when the movable block is located at the initial position, the movable block protrudes out of the upper surface of the bottom plate from the detection hole; when the movable block is located at the preset position, the movable block retracts downwards into the detection hole and triggers the photoelectric switch.

11. The position determining apparatus according to claim 1, wherein the position determining apparatus includes an elastic member for providing the movable block with an elastic force required for movement toward the initial position.

12. The position determining apparatus of claim 11, wherein the movable block includes a pressure plate against which one end of the elastic member abuts.

13. The position determining apparatus of claim 12, wherein at least one guide rod is fixed to a lower portion of the bottom plate, the elastic member is sleeved outside the guide rod, a limit step is provided at an end of the guide rod away from the bottom plate, one end of the elastic member abuts against the pressure plate, and the other end of the elastic member abuts against the limit step.

14. The position determining apparatus of claim 1, wherein the position limiting member comprises:

the front position determining clamping part and the rear position determining clamping part are symmetrically arranged on the front side and the rear side of the limiting area;

and/or

The guide position determining clamping roller devices are provided with two groups, and the two groups are symmetrically arranged on the left side and the right side of the limiting area.

15. Vehicle carrying platform, characterized in that it comprises a position determining device according to any of claims 1-14.

16. A swapping station comprising a vehicle swapping mechanism and a vehicle carrying platform as claimed in claim 15.

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