CN216761495U

CN216761495U - Wheel in-place detection device for battery replacing vehicle, lifting machine and battery replacing station

Info

Publication number: CN216761495U
Application number: CN202123030479.8U
Authority: CN
Inventors: 张建平; 朱明厚; 庄智敏; 胡海龙; 刘青
Original assignee: Aulton New Energy Automotive Technology Co Ltd
Current assignee: Aulton New Energy Automotive Technology Co Ltd
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2022-06-17
Anticipated expiration: 2031-12-02

Abstract

The utility model discloses a wheel in-place detection device for a battery replacing vehicle, a lifting machine and a battery replacing station, wherein the wheel in-place detection device comprises a sensing piece, a sensed piece and a roller mechanism, the sensed piece is arranged on a bottom plate, and the sensing piece is used for triggering the sensed piece; the roller mechanism is rotatably connected to the bottom plate through the rotating mechanism and can rotate around the axis of the roller mechanism, the sensing piece is arranged to synchronously rotate with the roller mechanism through the rotating mechanism, and the sensing direction of the sensing piece is parallel to the axis direction of the roller mechanism; when the roller mechanism is subjected to pressure exceeding preset pressure, the roller mechanism moves to a preset area towards the direction of the bottom plate, the sensing piece triggers the sensed piece, and a gap is formed between the sensing piece and the bottom plate. The roller mechanism drives the sensing piece to rotate together when being pressed, so that the sensing piece and the sensing piece can generate sensing signals when the roller mechanism is pressed by pressure exceeding preset pressure, the bottom plate is prevented from colliding with the sensing piece, and the wheel in-place detection function is prevented from being out of order.

Description

Wheel in-place detection device for battery replacing vehicle, lifting machine and battery replacing station

Technical Field

The utility model relates to the field of vehicle battery replacement, in particular to a wheel in-place detection device for a battery replacement vehicle, a lifting machine and a battery replacement station.

Background

At present, electric automobiles are more and more popular with consumers, energy used by the electric automobiles is basically electric energy, the electric automobiles need to be charged after the electric energy is used up, and due to the limitation of the existing battery technology and charging technology, the electric automobiles need to spend a long time when being fully charged, and the electric automobiles are not as simple and rapid as fuel automobiles directly refuel. Therefore, in order to reduce the waiting time of the user, it is an effective means to replace the battery when the electric power of the electric vehicle is rapidly exhausted. In order to replace batteries for electric automobiles and meet the battery replacement requirement of the electric automobiles, a battery replacement station needs to be built, so that the batteries can be replaced by driving into the battery replacement station when the batteries of the electric automobiles are in power shortage.

The battery replacing station is provided with a battery replacing lifting platform, the electric automobile can be lifted by the battery replacing lifting platform, and a battery replacing trolley of the battery replacing station performs battery replacing operation below the electric automobile. Because the electric automobile needs to be parked at a preset position after driving into the electricity conversion lifting platform, whether the vehicle runs in place needs to be detected in time so as to remind a driver to perform corresponding operation. Chinese patent CN 208969250U discloses a photoelectric sensing device that intelligence response wheel targets in place and wheel speed, including setting up third axle cylinder and the photoelectric sensor in the frame, photoelectric sensor is located the below of third axle cylinder, and on third axle cylinder was pushed down to the lower limit position by the wheel, photoelectric sensor sensed the third axle cylinder, and cylinder reaction formula car braking checkout stand just began to get into operating condition. In the scheme, when a vehicle borne by the third shaft roller is too heavy, the falling height of the third shaft roller is possibly too large, so that the third shaft roller is in contact collision with the bottom plate and the photoelectric sensor, the photoelectric sensing device is damaged, and the in-place detection function of the wheel is disabled.

SUMMERY OF THE UTILITY MODEL

The utility model provides a wheel in-place detection device, a lifting machine and a battery replacement station for a battery replacement vehicle, and aims to solve the problem that in the prior art, when a third shaft roller is pressed down by a vehicle with too large weight, the third shaft roller possibly collides with a photoelectric sensing device, and the wheel in-place detection function fails.

The utility model solves the technical problems through the following technical scheme:

the utility model provides a wheel in-place detection device for a battery replacing vehicle, which is arranged on a lifting machine comprising a wheel bearing mechanism and is used for detecting whether the battery replacing vehicle is positioned on the wheel bearing mechanism, wherein the wheel bearing mechanism comprises a bottom plate, and the wheel in-place detection device comprises:

the induction piece and the sensed piece are arranged on the bottom plate, and the induction piece is used for triggering the sensed piece;

the roller mechanism is rotationally connected to the bottom plate through a rotating mechanism and can rotate around the axis of the roller mechanism, the sensing piece is arranged to rotate synchronously with the roller mechanism through the rotating mechanism, and the sensing direction of the sensed piece is parallel to the axis direction of the roller mechanism;

when the roller mechanism is subjected to pressure exceeding preset pressure, the roller mechanism moves to a preset area towards the direction of the bottom plate, the sensing piece triggers the sensed piece, and a gap is formed between the sensing piece and the bottom plate.

In the scheme, the wheel in-place detection device is arranged on the wheel bearing mechanism of the lifting machine and drives the sensing piece to move together through the movement of the roller mechanism when the roller mechanism is pressed, so that the sensing piece and the sensing piece can generate sensing signals when the roller mechanism is pressed by pressure exceeding preset pressure, the sensing signals are transmitted to the control unit of the battery replacement station, and the control unit judges that the vehicle runs in place according to the received sensing signals. The outer surface of roller mechanism is more smooth, not fragile tire surface, and the rotation range of restriction roller mechanism and the extreme low position that roller mechanism can reach avoid roller mechanism and bottom plate contact, and the response piece is contactless with the bottom plate when guaranteeing that roller mechanism reaches extreme low position, avoids bottom plate and response piece collision to the life of extension bottom plate and response piece avoids the wheel to target in place and detects the function inefficacy.

Preferably, the sensed piece is positioned on one side of the roller mechanism along the axial direction of the roller mechanism;

the sensing piece is arranged to move to the side position of the sensing direction of the sensed piece when the roller mechanism is subjected to pressure exceeding preset pressure.

In this scheme, adopt above-mentioned structural style, through the side with the response piece setting at roller mechanism, can reduce the wheel and target in place detection device at the ascending occupation space of vertical direction, can ensure simultaneously when the response piece is triggered, the response piece with receive the response piece can not bump and damage.

Preferably, the roller mechanism comprises a rotating shaft and a roller, the roller is sleeved on the rotating shaft, and the roller rotates around the axis of the rotating shaft;

the slewing mechanism including set up in support and connecting plate on the bottom plate, the first end of connecting plate with the support rotates to be connected, the second end of connecting plate with the end connection of pivot, the response piece set up in the orientation of connecting plate the lateral part of bottom plate just is close to the second end of connecting plate.

In this scheme, adopt above-mentioned structural style, contact with the wheel through the roller, because the roller surface is level and smooth, therefore the roller can not produce the damage to the surface of wheel, the roller is the rotation connection of realizing through above-mentioned comparatively simple structure, it is more convenient to install, the connecting plate also can provide the mounted position for the installation of response piece simultaneously, when wheel pressure is on this roller, when the roller rotates towards the bottom plate, also can drive the response piece through the connecting plate and rotate towards the bottom plate, until rotating when predetermineeing the region, receive the response piece and can be triggered by the response piece.

Preferably, there are two connecting plates, the two connecting plates are parallel to each other, and the second ends of the two connecting plates are respectively connected with the two ends of the rotating shaft.

In this scheme, adopt above-mentioned structural style, adopt two connecting plates to make roller mechanism more stable when rotating.

Preferably, the sensing member is formed to extend from the connecting plate toward the bottom plate.

In this scheme, adopt above-mentioned structural style, response piece and connecting plate integrated into one piece have simplified the connection structure of response piece and connecting plate, simplify the installation step, practice thrift manufacturing cost.

Preferably, the wheel in-place detection device further comprises a resetting piece, two ends of the resetting piece are respectively connected with the bracket and the connecting plate, and the resetting piece is used for enabling the roller mechanism to return to an initial position.

In this scheme, adopt above-mentioned structural style, can trade the roller mechanism automatically and reset after the electric power is traded to the preceding vehicle of trading through setting up canceling release mechanical system to whether the detection next vehicle of trading targets in place.

Preferably, the reset piece is a torsion spring;

the support comprises a supporting assembly, the supporting assembly and the connecting plate are arranged in a one-to-one correspondence mode, the supporting assembly comprises a pair of supporting lug plates, a connecting shaft and a limiting plate, the pair of supporting lug plates are arranged in parallel and are vertically arranged on the bottom plate, the first end of the connecting plate is located between the pair of supporting lug plates, the connecting shaft penetrates through the pair of supporting lug plates and the connecting plate, the torsion spring is sleeved on the connecting shaft, and two ends of the torsion spring respectively abut against the supporting lug plates and the connecting plate;

two ends of the limiting plate are respectively connected with the pair of supporting lug plates, and the connection point of the torsion spring and the connecting plate is positioned on the side part of the connecting plate far away from the limiting plate;

when the roller mechanism returns to the initial position, the connecting plate supports against the limiting plate under the action of restoring force provided by the torsion spring.

In this scheme, adopt above-mentioned structural style, the piece that resets adopts the torsional spring, simple structure, with low costs, the torsional spring is through above-mentioned structural installation, is convenient for provide roller mechanism restoring force.

Preferably, the sensed member is a proximity switch, and the sensing member is a metal sheet.

In this scheme, adopt above-mentioned structural style, adopt to receive the sense piece to be proximity switch, the form that the sense piece is the sheetmetal makes to receive sense piece and sense piece contactless directly, improves the wheel detection device that targets in place's life.

Preferably, the wheel detection device that targets in place still includes mounting panel and shielding plate, the mounting panel is connected with the shielding plate, the piece that receives is located on the mounting panel just receive the response direction of piece and be on a parallel with the bottom plate, the shielding plate sets up on the mounting panel and locate receive the top of piece.

In this scheme, adopt above-mentioned structural style, will be felt the piece and locate on the mounting panel and the response direction that receives the piece is on a parallel with the bottom plate, the response of being convenient for with receiving the piece takes place the response, and the debris that the shielding plate can avoid on the vehicle drop shelter from receiving the piece or damage and receive the influence detection of sensing piece.

Preferably, the rotation axis of the roller mechanism and the rotation axis of the rotation mechanism are parallel to each other and perpendicular to the traveling direction of the vehicle.

In this scheme, adopt above-mentioned structural style, when the vehicle went to the machine of lifting, even have great skew in the track direction, the wheel also can press down on the roller mechanism and then trigger and receive the sensing piece.

The utility model provides a lifting machine which comprises the wheel in-place detection device for the battery replacing vehicle.

In this scheme, adopt above-mentioned structural style, the machine of lifting adopts foretell wheel detection device that targets in place, can detect fast and trade electric vehicle and park and target in place to can judge whether carry out next step operation.

Preferably, the lifting machine comprises a first front wheel placing part and a second front wheel placing part, the first front wheel placing part and the second front wheel placing part are provided with wheel bearing mechanisms, and the wheel bearing mechanisms are provided with the wheel in-place detection devices.

In this scheme, adopt above-mentioned structural style, set up wheel detection device in place on the wheel bearing mechanism of front wheel placer portion, can only judge when the vehicle front wheel drives to corresponding position and detect in place, avoid taking place the erroneous judgement.

The utility model provides a power exchanging station which comprises the lifting machine.

The positive progress effects of the utility model are as follows:

the wheel in-place detection device drives the sensing piece to move together through the movement of the roller mechanism when being pressed, so that the sensing piece and the sensing piece can generate sensing signals when the roller mechanism is pressed by pressure exceeding the preset pressure, the sensing signals are transmitted to the control unit of the battery replacement station, and the control unit judges that the vehicle is parked in place according to the received sensing signals. The outer surface of the roller in the roller mechanism is smooth, the surface of a tire is not easy to damage, the rotation range of the roller mechanism and the lowest position which can be reached by the roller are limited simultaneously, the roller is prevented from contacting with the bottom plate, the sensing part is prevented from contacting with the bottom plate when the roller reaches the lowest position, the bottom plate is prevented from colliding with the sensing part, the service life of the bottom plate and the sensing part is prolonged, and the failure of the in-place detection function of the wheel is avoided. The roller mechanism can automatically reset after the vehicle leaves, so that the roller mechanism can be automatically reset after the power change of the previous power change vehicle is finished, and whether the next power change vehicle is in place or not can be conveniently detected.

Drawings

Fig. 1 is a schematic structural view of a lifting machine in a preferred embodiment of the present invention.

Fig. 2 is a schematic structural view of the wheel carrying mechanism in fig. 1.

Fig. 3 is a top view of the wheel carrier of fig. 2.

FIG. 4 is a schematic view of the wheel-in-place detecting device according to the preferred embodiment of the present invention.

Fig. 5 is a partial structural view of a part of the wheel-in-place detecting apparatus according to the preferred embodiment of the utility model.

Fig. 6 is a partial structural view of the structure shown in fig. 5 from another perspective.

Description of reference numerals:

frame body 100

First front wheel receiving part 110

Second front wheel placing part 120

Lifting mechanism 200

Base 300

Wheel bearing mechanism 400

Mounting frame 410

Bottom plate 411

Rolling mechanism 420

Wheel in-place detection device 500

Roller mechanism 510

Roller 511

Rotating shaft 512

Sensing member 520

Sensed piece 530

Connecting plate 540

Support 550

Support ear plate 551

Connecting shaft 552

Limiting plate 553

Mounting plate 560

Shielding plate 570

Torsion spring 580

Detailed Description

The present invention is further illustrated by way of example and with reference to the accompanying drawings, which are not intended to limit the scope of the utility model.

It should be understood that the utility model has been described using specific terms to describe embodiments of the application. The terms "first", "second", etc. are used to define the technical features only for the convenience of distinguishing the corresponding technical features, and the terms have no special meaning if not stated otherwise, and therefore, should not be construed as limiting the scope of the present invention. Furthermore, some of the features, structures, or characteristics of one or more embodiments of the present invention may be combined as suitable.

The embodiment also provides a trade power station, should trade the power station and have and trade electric room, charge the room, trade electric equipment and the control unit, trade and have in the electric room to be located trade the electric vehicle in electric room and carry out the machine of lifting that goes up and down, the machine of lifting includes preceding machine of lifting and back machine of lifting, lifts the front wheel and the rear wheel that trade the electric vehicle respectively. The battery pack is replaced in the battery replacing chamber of the battery replacing vehicle, the battery pack is charged and stored in the charging chamber, and the battery replacing equipment can reciprocate between the battery replacing chamber and the charging chamber. The battery replacing device is used for replacing batteries of the battery replacing vehicle, when the battery replacing vehicle has a battery replacing requirement and is positioned on the lifting machine, the battery replacing device drives into the bottom of the battery replacing vehicle, the batteries are disassembled, the disassembled batteries are sent back to the charging room, and when the batteries are installed, the battery replacing device obtains full-charge batteries from the charging room and drives into the battery replacing room from the charging room to replace the batteries of the battery replacing vehicle. The control unit is used for controlling the working states of the internal equipment of the battery changing station such as the lifting machine and the battery changing trolley.

[ example 1 ]

As shown in fig. 1, example 1 provides a specific embodiment of a lifting machine which is provided in a battery replacement room of a battery replacement station and is used for lifting an electric vehicle located in the battery replacement room. The lifter comprises a frame body 100, a base 300 and a lifting mechanism 200, wherein the lifting mechanism 200 is positioned between the frame body 100 and the base 300 and drives the frame body 100 to lift in the height direction. The battery replacing vehicle positioned on the frame body 100 is lifted in the height direction through the lifting mechanism 200, so that a sufficient space is provided below the battery replacing vehicle for the battery replacing trolley to replace the battery of the battery replacing vehicle.

As shown in fig. 2, the frame body 100 of the lifting machine of the present embodiment is provided with a wheel carrying mechanism 400, the wheel carrying mechanism 400 includes a mounting frame 410 and two rolling mechanisms 420, and the two rolling mechanisms 420 are mounted on a bottom plate 411 of the mounting frame 410 in a V-shaped structure. The wheel bearing mechanism 400 is used for bearing wheels of the battery replacement vehicle. As shown in fig. 1, the lifting machine includes a first front wheel placing unit 110 and a second front wheel placing unit 120, the first front wheel placing unit 110 and the second front wheel placing unit 120 have the wheel carrying mechanism 400, and the wheel carrying mechanism 400 is provided with a wheel-in-place detecting device 500.

As shown in fig. 2 to 3, the wheel-in-place detecting device 500 is disposed between the two V-shaped rolling mechanisms 420 of the wheel carrying mechanism 400, and the different tangential points of the wheels with different sizes and the two rolling mechanisms 420 cause different strokes generated when the roller mechanisms 510 are pressed, the tangential point position of the wheel surface of the wheel with a large size and the surface of the two V-shaped rolling mechanisms 420 is higher, the downward stroke of the roller mechanism 510 is smaller, the tangential point position of the wheel surface of the wheel with a small size and the surface of the two V-shaped rolling mechanisms 420 is lower, and the downward stroke of the roller mechanism 510 is larger. By adopting the structure, the height of the roller 511 of the roller mechanism 510 can be increased when the roller mechanism 510 is installed, the induction part 520 can be induced by the induction part 530 when the roller mechanism 510 is pressed down, the roller mechanism 510 can be prevented from being collided with the bottom plate 411 when the roller mechanism 510 is pressed down too much, the compatibility of vehicle models with different wheel sizes is improved, and the phenomenon that the induction part 530 is damaged due to the fact that the roller mechanism 510 is pressed down too much is avoided, and the in-place detection function of the wheel is failed.

The rotational axis of the roller mechanism 510 and the rotational axis of the rotational mechanism are parallel to each other and perpendicular to the traveling direction of the vehicle. With the above structure, when the vehicle travels to the lifting machine, even if there is a large deviation in the track direction, the wheel can press down on the roller mechanism to trigger the sensed member 530.

As shown in fig. 1 and fig. 2, a wheel in-place detecting device 500 for detecting whether the electric vehicle is parked on the wheel bearing mechanism 400 and the wheel is abutted against the rolling mechanism 420 is disposed on one of the wheel bearing mechanisms, and the wheel bearing mechanism 400 includes a bottom plate 411.

In other specific embodiments, the wheel-in-place detection devices 500 are disposed on both of the wheel carrying mechanisms 400, and are not described herein again.

As shown in fig. 4-5, the wheel-in-place detecting device 500 includes a sensing member 520, a sensing member 530 and a roller mechanism 510, wherein the sensing member 530 is disposed on the bottom plate 411 of the wheel supporting mechanism 400, and the sensing member 520 is used for triggering the sensing member 530. The roller mechanism 510 is rotatably connected to the base plate 411 through a rotating mechanism, the roller mechanism 510 can rotate around its own axis, the sensing element 520 is configured to rotate synchronously with the roller mechanism 510 through the rotating mechanism, and the sensing direction of the sensing element 530 is parallel to the axial direction of the roller mechanism 510. In this embodiment, the sensing element 530 is a proximity switch, and the sensing element 520 is a metal plate, and when the metal plate enters the detection range of the proximity switch, the proximity switch is triggered.

When the roller mechanism 510 is subjected to a pressure exceeding a preset pressure, the roller mechanism 510 moves to a preset area in the direction of the bottom plate 411, the sensing element 520 triggers the sensed element 530, and a gap is formed between the sensing element 520 and the bottom plate 411, the preset pressure is determined according to actual conditions, and the preset area is an area where the roller mechanism 510 is located when the sensing element 520 triggers the sensed element 530.

Specifically, as shown in fig. 5, the sensed member 530 is located on one side of the roller mechanism 510 along the axial direction of the roller mechanism 510. The sensing member 520 is configured to move to a position at a side of the sensing direction of the sensing member 530 when the roller mechanism 510 is subjected to a pressure exceeding a preset pressure. By arranging the sensing member 520 at the side of the roller mechanism 510, the occupied space of the wheel in-place detection device 500 in the vertical direction can be reduced, and meanwhile, it can be ensured that when the sensing member 520 is triggered, the sensing member 520 and the sensed member 530 are not collided and damaged.

By arranging the wheel in-place detection device 500 on the wheel bearing mechanism 400 of the lifting machine, the roller mechanism 510 moves when being pressed to drive the sensing piece 520 to rotate together, so that the sensing piece 520 and the sensing piece 530 can generate sensing signals when the roller mechanism 510 is pressed to exceed the preset pressure, the sensing signals are transmitted to the control unit of the battery replacement station, and the control unit judges that the vehicle runs in place according to the received sensing signals.

In other specific embodiments, along the axial direction of the roller mechanism 510, both sides of the roller mechanism 510 may also be provided with the sensing element 520 and the corresponding sensed element 530, so as to avoid the situation that one of the sensing devices is damaged to cause the failure of detection; the sensed member and the sensing member are not limited to this example, and the sensed member may also be a photoelectric sensor such as an infrared sensor or a laser sensor, or a magnetic field sensor such as a hall sensor, which is not described herein again.

[ example 2 ]

Example 2 provides another specific implementation of a lifting machine, and example 2 is basically the same as the wheel-in-place detecting device in example 1 in structure, except that: in this embodiment 2, on the basis of embodiment 1, as shown in fig. 5 to 6, the roller mechanism 510 includes a rotating shaft 512 and a roller 511, the roller 511 is sleeved on the rotating shaft 512, and the roller 511 can rotate around the axis of the rotating shaft 512. The rotating mechanism includes a bracket 550 and an attachment plate 540 detachably mounted on the base plate 411 by bolts, wherein a first end of the attachment plate 540 (i.e., a lower end of the attachment plate 540 of fig. 5) is rotatably connected to the bracket 550, and a second end of the attachment plate 540 (i.e., an upper end of the attachment plate 540 of fig. 5) is connected to an end of the rotating shaft 512. As shown in fig. 4 and 5, the sensing element 520 is disposed on a side of the connection plate 540 facing the bottom plate 411 and near a second end of the connection plate 540. In this embodiment, the connecting plate 540 and the connecting plate 540 are integrally formed, specifically, as shown in fig. 4, the sensing element 520 and the connecting plate 540 are formed by processing a same metal plate, the metal plate is processed into an L shape, one side of the metal plate is used as the connecting plate 540 to connect the rotating shaft 512 and the bracket 550 of the roller mechanism 510, the other side of the metal plate is used as the sensing element 520 for performing sensing matching with the sensing element 530, that is, the sensing element 520 is formed by extending from the connecting plate 540 towards the bottom plate 411, and the end of the sensing element 520 extending towards the direction close to the bottom plate 411 is closer to the bottom plate 411 than the circumferential outer surface of the roller 511, so that the connecting structure of the sensing element 520 and the connecting plate 540 is simplified, the installation steps are simplified, and the manufacturing cost is saved.

Carry out the contact through roller 511 and wheel, because the roller 511 surface is level and smooth, consequently roller 511 can not produce the damage to the surface of wheel, roller 511 is the rotation connection that realizes through above-mentioned comparatively simple structure, it is more convenient to install, connecting plate 540 also can provide the mounted position for the installation of response piece 520 simultaneously, when the wheel pressure is on this roller 511, roller 511 rotates towards bottom plate 411, also can drive response piece 520 through connecting plate 540 and rotate towards bottom plate 411, rotate to when predetermineeing the region until roller mechanism 510, receive response piece 530 can be triggered by response piece 520.

In other specific embodiments, the bracket 550 may also be connected to the bottom plate 411 in a detachable connection manner such as a snap, or the like, or may also be connected to the bottom plate 411 in a fixed connection manner such as a welding, and details thereof are not described here.

As shown in fig. 6, there are two connection plates 540, the two connection plates 540 are disposed in parallel with each other, and second ends of the two connection plates 540 are connected to two ends of the rotating shaft 512, respectively. The rotation mechanism employs two attachment plates 540 to make the roller mechanism 510 more stable when rotated.

In order to realize that the connecting plate 540 can automatically reset after the previous vehicle is completely charged, so as to detect whether the next vehicle is charged in place, the wheel in-place detection device 500 further comprises a torsion spring 580, two ends of the torsion spring 580 are respectively connected with the bracket 550 and the connecting plate 540, and the torsion spring 580 is used for enabling the roller mechanism 510 to return to an initial position, wherein the initial position is a position where the roller mechanism 510 is not pressed downwards by the wheels.

Specifically, as shown in fig. 5-6, the bracket 550 includes support members that are disposed in one-to-one correspondence with the connection plates 540. The supporting assembly includes a pair of supporting ear plates 551, a connecting shaft 552 and a limiting plate 553, wherein the pair of supporting ear plates 551 are parallel to each other and are vertically disposed on the bottom plate 411. The first end of the connecting plate 540 is located between the pair of supporting ear plates 551, and the connecting shaft 552 passes through the pair of supporting ear plates 551 and the connecting plate 540, so that the connecting plate 540 is rotatably connected with the bracket 550, the torsion spring 580 is sleeved on the connecting shaft 552, and two ends of the torsion spring 580 respectively abut against the supporting ear plates 551 and the connecting plate 540.

The two ends of the limiting plate 553 are respectively connected with a pair of supporting ear plates 551, and the connection point of the torsion spring 580 and the connecting plate 540 is located at the side of the connecting plate 540 far away from the limiting plate 553, i.e. the connection point of the limiting plate 553 and the torsion spring 580 and the connecting plate 540 is respectively located at the two sides of the connecting plate 540. When the roller mechanism 510 returns to the initial position, the connection plate 540 abuts against the limit plate 553 by the restoring force provided by the torsion spring 580. The reset element adopts a torsion spring 580, the structure is simple, the cost is low, and the torsion spring 580 is installed through the structure and is convenient for providing restoring force for the roller mechanism 510.

[ example 3 ]

As shown in fig. 4, embodiment 3 provides another specific embodiment of a lifting machine, and the structure of the wheel-position detecting device in embodiment 3 is substantially the same as that in embodiment 1 or 2, except that: in this embodiment 3, on the basis of embodiment 1 or 2, the wheel-in-place detecting device 500 further includes a mounting plate 560 and a shielding plate 570, the shielding plate 570 is an inverted L-shaped plate-shaped structure, the mounting plate 560 is welded at an inner corner of the shielding plate 570, the sensing element 530 is disposed on the mounting plate 560, a sensing direction of the sensing element 530 is parallel to the bottom plate 411, and the shielding plate 570 is disposed above the sensing element 530. The shielding plate 570 can prevent foreign objects on the vehicle from falling to shield the sensor part 530 or damaging the sensor part 530 to affect detection.

Preferably, in order to better protect the sensed member 530, the shielding plate 570 extends from the end close to the sensing member 520 to the end of the corresponding side of the sensed member 530 along the sensing direction of the sensed member 530.

Specifically, the lower end of the shielding plate 570 is provided with a connecting portion extending horizontally, a waist-shaped hole is formed in the connecting portion, the shielding plate 570 passes through the waist-shaped hole through a bolt to be connected to the bottom plate 411, the length direction of the waist-shaped hole is the length direction of the vehicle, the waist-shaped hole in the connecting portion can be used for adjusting the position of the sensed piece 530 on the bottom plate 411 along the length direction of the vehicle, and the influence of machining errors on the wheel in-place detection device 500 is reduced.

In other embodiments, the sensing element 530 is also detachably connected to the mounting plate 560 for easy replacement; the mounting plate 560 is also provided with a sensed piece mounting hole extending along the vertical direction, and the sensed piece mounting hole is used for mounting the sensed piece 530, so that the sensed piece 530 can be conveniently adjusted to a proper height sensing position; the mounting plate 560 may be directly connected to the bottom plate 411 without being welded to the shielding plate 570, and thus, will not be described in detail.

The lifting machine adopts the wheel in-place detection device 500, and can quickly detect whether the battery replacement vehicle runs in place, so that whether the next operation, such as battery replacement, wheel base adjustment and the like, is performed can be judged.

While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the utility model 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 scope of the utility model, and these changes and modifications are within the scope of the utility model.

Claims

1. The utility model provides a wheel detection device that targets in place for trading electric vehicle, locates on the machine of lifting that bears the mechanism including the wheel for whether the detection trades electric vehicle to be located on the wheel bears the mechanism, wheel bears the mechanism and includes the bottom plate, its characterized in that, the wheel detection device that targets in place includes:

2. The wheel-in-place detection device for the battery replacing vehicle as claimed in claim 1, wherein the sensed piece is located on one side of the roller mechanism along the axial direction of the roller mechanism;

3. The wheel in-place detection device for the battery replacing vehicle as claimed in claim 2, wherein the roller mechanism comprises a rotating shaft and a roller, the roller is sleeved on the rotating shaft, and the roller rotates around the axis of the rotating shaft;

4. The wheel in-place detection device for the battery replacing vehicle as claimed in claim 3, wherein the number of the connecting plates is two, the two connecting plates are arranged in parallel, and second ends of the two connecting plates are respectively connected with two ends of the rotating shaft.

5. The wheel-position detecting device for a battery replacement vehicle as claimed in claim 3, wherein the sensing member is formed to extend from the connecting plate in a direction toward the bottom plate.

6. The wheel in-place detection device for the battery replacing vehicle as claimed in claim 3, further comprising a reset member, wherein two ends of the reset member are respectively connected with the bracket and the connecting plate, and the reset member is used for enabling the roller mechanism to return to an initial position.

7. The wheel-in-place detection device for the battery replacement vehicle as claimed in claim 6, wherein the reset member is a torsion spring;

8. The wheel-in-place detection device for the battery replacement vehicle as claimed in claim 1, wherein the sensed member is a proximity switch, and the sensed member is a metal sheet.

9. The wheel in-place detection device for the battery replacing vehicle as recited in claim 1, further comprising a mounting plate and a shielding plate, wherein the mounting plate is connected to the shielding plate, the sensed member is disposed on the mounting plate, a sensing direction of the sensed member is parallel to the bottom plate, and the shielding plate is disposed on the mounting plate and above the sensed member.

10. The wheel-in-place detection device for the battery replacing vehicle as claimed in claim 1, wherein the rotation axis of the roller mechanism and the rotation axis of the rotation mechanism are parallel to each other and perpendicular to the traveling direction of the vehicle.

11. A lifting machine, characterized in that the lifting machine comprises a wheel-in-position detecting device for an electric vehicle according to any one of claims 1 to 10.

12. A lift as claimed in claim 11 wherein said lift includes a first front wheel mount and a second front wheel mount, said first front wheel mount and said second front wheel mount having wheel support means, said wheel support means being provided with said wheel-in-position detection means.

13. A power swapping station comprising a lift as claimed in claim 11 or 12.