CN115431931A

CN115431931A - Wheel in-place detection device, lifter and vehicle carrying platform

Info

Publication number: CN115431931A
Application number: CN202210530227.1A
Authority: CN
Inventors: 张建平; 沈佳莉; 陈新雨
Original assignee: Aulton New Energy Automotive Technology Co Ltd
Current assignee: Aulton New Energy Automotive Technology Co Ltd
Priority date: 2022-05-16
Filing date: 2022-05-16
Publication date: 2022-12-06

Abstract

The invention provides a wheel in-place detection device, a lifting machine and a vehicle carrying platform. The wheel-in-place detection device includes: a bottom plate arranged on a bearing plate of the lifting machine; a limit area which is positioned on the bottom plate and is used for supporting the wheels upwards is formed; the movable part is at least partially positioned in the limiting area and comprises a connecting part and a contact part used for being in contact with the tread of the wheel, the contact part is arranged at the upper end of the connecting part, the width of the projection of the contact part on the horizontal plane is larger than the width of the groove on the tread of the wheel along the direction of the rotation axis of the wheel, and when the wheel enters the limiting area, the contact part is pushed by the wheel to drive the connecting part to descend from the initial position to the triggering position; and the detection component is used for detecting whether the connecting part is in the triggering position. According to the invention, through setting the integral structure of the wheel in-place detection device and the integral structure of the wheel in-place detection device, whether the battery replacement vehicle reaches a preset specified position can be accurately detected, and the battery replacement efficiency is improved.

Description

Wheel in-place detection device, lifter and vehicle carrying platform

Technical Field

The invention relates to the field of battery replacement, in particular to a wheel in-place detection device, a lifting machine and a vehicle carrying platform.

Background

The battery pack replacing system comprises a battery replacing station, a vehicle carrying platform, a battery replacing device and a vehicle carrying platform.

In the prior art, when an electric vehicle stops on a vehicle-carrying platform, in order to ensure that the battery replacing equipment can smoothly replace a battery pack for the electric vehicle, the electric vehicle is required to be located at a designated position, and after the electric vehicle is located at the designated position, a subsequent battery replacing process can be carried out. Whether park in place in order to realize detecting electric automobile, locate to set up the sensor that targets in place through the machine of lifting at year car platform, should target in place the sensor through set up the through-hole realization on the machine of lifting to electric automobile's detection, when running into the through-hole in block up or having the foreign matter, lead to target in place the sensor and can't accurately detect electric automobile and park in place to lead to trading electric efficiency and reduce.

Disclosure of Invention

The invention aims to solve the technical problem that in the prior art, due to the fact that a through hole is blocked or foreign matters exist, an in-place sensor cannot accurately detect whether an electric automobile stops in place, and therefore electricity changing efficiency is reduced.

The invention solves the technical problems through the following technical scheme:

a wheel-in-place detecting device, characterized by comprising:

the bottom plate is arranged on a bearing plate of the lifting machine;

a spacing assembly located on the base plate and forming a spacing area above the base plate for limiting a position of a wheel, the spacing area configured to be capable of supporting a wheel upward;

the movable component is at least partially positioned in the limit area and comprises a connecting part and a contact part, wherein the connecting part is connected with the contact part, the contact part is used for being in contact with the tread of the wheel, the contact part is arranged at the upper end of the connecting part, the width of the projection of the contact part on the horizontal plane is larger than the width of the groove on the tread of the wheel along the direction of the rotation axis of the wheel, and when the wheel enters the limit area, the contact part of the movable component is pushed by the wheel to drive the connecting part to descend from the initial position to the triggering position;

the detection assembly is used for detecting whether the connecting part is located at the triggering position or not.

In this technical scheme, play limiting displacement to the wheel through setting up spacing subassembly, when the wheel went to spacing region on, spacing subassembly can make the wheel inject in spacing region, and simultaneously, the wheel promoted connecting portion through the contact site and shifts to the trigger position from initial position. Wherein, the width of the projection of restriction contact site on the horizontal plane is greater than the width of the groove on the tread of wheel to when the wheel arrived spacing region, avoided the contact site to insert in the groove of wheel, and leaded to wrong testing result, and then improved detection accuracy. By arranging the overall structure of the wheel in-place detection device, whether the battery replacement vehicle reaches a preset specified position or not can be accurately detected, and the battery replacement efficiency is improved.

Preferably, after the detection component detects that the connecting part is located at the triggering position, the detection component is further configured to send a wheel in-position signal.

In the technical scheme, the wheel in-place signal is sent by the trigger detection assembly to remind the battery replacing vehicle of reaching the designated position, and the wheel in-place signal can timely trigger the battery replacing equipment or inform an electric vehicle driver or a worker of the battery replacing station of next battery replacing operation in various forms, so that the battery replacing efficiency is further improved.

Preferably, the detecting assembly is disposed below the bottom plate, the contact portion is located above the bottom plate, and one end of the connecting portion, which is far away from the contact portion, passes through the bottom plate downward.

In this technical scheme, the determine module avoids wheel and determine module contact extrusion and damage in the bottom plate below.

Preferably, the movable component further includes a shielding portion, the shielding portion is connected to the connecting portion and located below the bottom plate, and when the connecting portion is located at the triggering position, the shielding portion is located at least partially in the triggering area of the sensing component of the detection assembly.

In this technical scheme, realize non-contact detection jointly through occlusion part and determine module, in the use, occlusion part and determine module can not bump to extension wheel detection device's that targets in place life.

Preferably, the movable component further includes an adjusting portion, the adjusting portion is disposed at an end of the connecting portion away from the contact portion, and the adjusting portion is configured to adjust a position of the shielding portion in a moving direction of the movable component.

In this technical scheme, through setting up the regulating part, can adjust the ascending position of shielding part in the direction of motion of movable part to guarantee when the wheel targets in place, shielding part can at least partially move down to the trigger area, avoid because of shielding part or response part mounted position skew or the installation precision is relatively poor to lead to triggering in advance or can not trigger, improve the wheel detection device that targets in place's detection precision and degree of accuracy.

Preferably, the blocking portion is a plate-shaped structure with an inverted L shape, and one end of the blocking portion is connected to the adjusting portion.

In this technical scheme, through the aforesaid limited, the one end of the plate-like structure of the shape of falling L of shelter from portion realizes being connected with the regulating part, and the other end realizes triggering to the response part of detecting element, makes the structure of shelter from portion more compact.

Preferably, the connecting portion is kept away from the one end of contact portion is equipped with the external screw thread section, the regulation portion include two with the adjusting nut of external screw thread section meshing, one of them pot head of occlusion part is established on the external screw thread section and press from both sides and locate two between the adjusting nut.

In this technical scheme, set up regulating part and connecting portion and be screw-thread fit, can just install and remove the convenience through the position of screw thread adjustment regulating part, occlusion part on connecting portion.

Preferably, the movable component further includes an elastic resetting piece, and the elastic resetting piece is sleeved on the connecting portion and is used for applying an acting force towards the direction away from the shielding portion to the contact portion.

In this technical scheme, reset through elasticity and make connecting portion automatically from triggering the position and remove and resume to initial position, need not manual operation to movable part's overall structure is simple saves the cost, and is difficult for loss and damage. The elastic reset piece can be a metal spring (a pressure spring), an air spring and the like, a rubber spring and the like.

Preferably, one end of the elastic resetting piece, which is far away from the contact part, abuts against the upper end surface of the bottom plate.

In this technical scheme, reset the one end butt of piece keeping away from the contact site in the up end of bottom plate through setting up elasticity, reset the one end that the piece kept away from the contact site for elasticity and provide the fulcrum, this structure is comparatively simple.

Preferably, a first through hole is formed in the bearing plate, a mounting plate is arranged below the bearing plate, the mounting plate is connected with the base plate, the mounting plate can move along the length direction of the battery replacing vehicle, the connecting portion penetrates through the base plate, the first through hole and the mounting plate in sequence, and the end portion of the elastic reset piece penetrates through the base plate and is abutted to the upper end face of the mounting plate.

In this technical scheme, through setting up the elasticity piece that resets and keep away from the one end butt of contact site in the up end of mounting panel, for the elasticity piece that resets keeps away from the one end of contact site and provides the fulcrum, utilize bottom plate, loading board to hold the elasticity piece that resets in the ascending space of direction of height, reduce the wheel detection device's that targets in place occupation space.

Preferably, an intermediate plate is arranged between the mounting plate and the bottom plate, the intermediate plate is located in the first through hole and can move in the first through hole along the length direction of the battery replacing vehicle, the bottom plate, the intermediate plate and the mounting plate are connected together through a connecting piece, and the connecting piece sequentially penetrates through the bottom plate, the intermediate plate and the mounting plate; the end part of the elastic reset piece penetrates through the bottom plate and is abutted against the upper end face of the middle plate.

In the technical scheme, the moving range of the middle plate along the length direction of the battery replacement vehicle is limited through the first through hole. Meanwhile, the upper end face of the middle plate is used for providing a fulcrum of the elastic resetting piece.

Preferably, the lifting machine further comprises a driving device, the driving device is located below the mounting plate, and a power output end of the driving device is connected with the mounting plate and drives the mounting plate to move along the length direction of the battery replacing vehicle;

the number of the connecting parts is two, and the two connecting parts are arranged along the width direction of the battery replacing vehicle and are respectively positioned on two sides of the driving device; the elastic reset pieces are arranged in one-to-one correspondence with the connecting parts.

In this technical scheme, drive arrangement is dodged to connecting portion, and the contact site is supported by two connecting portions simultaneously, and when it was pushed down by the wheel, thereby difficult production slope leads to taking place mechanical clamping stagnation or leads to the unable detection components that triggers of shielding portion between connecting portion and the bottom plate.

Preferably, the shielding portion is disposed on at least one of the connecting portions, and the detecting assemblies are disposed in one-to-one correspondence with the shielding portion.

In the technical scheme, only one group of shielding parts is matched with the detection assembly to realize in-place detection of the wheel, and the cost is low.

Preferably, the lower terminal surface of mounting panel is provided with the mount pad, the mount pad include with the direction of motion parallel arrangement's of movable part first installation department, detection component's response part set up in on the first installation department.

In this technical scheme, determine module is fixed in the bottom through the mount pad to determine module's installation makes determine module can be located the detection position of ideal.

Preferably, the sensing part of the detection assembly is adjustably connected to the first mounting part along the moving direction of the movable part.

In this technical scheme, even if because machining error or assembly error cause the mount pad to deviate in the design requirement with the actual relative position of movable part, also can be through adjusting the position of response part on first installation department, ensure when the connecting portion descends to the trigger position, the shielding part can be located the trigger zone of response part, avoid leading to the fact to trigger in advance or can not trigger because of the response part position is deviated, guarantee to trade going on smoothly of electric operation, reduce wheel in place detection device's processing and assembly required precision.

Preferably, the first mounting portion is provided with a first mounting hole, the first mounting hole is a waist hole, the detection assembly passes through the waist hole and is connected with the first mounting portion, and the length direction of the waist hole is parallel to the movement direction of the movable part.

In this technical scheme, through changing the position of detection subassembly on the waist hole for the position of detection subassembly and the position looks adaptation of movable part ensure that when connecting portion reachd the trigger position, the detection subassembly can be triggered. Specifically, the detection component can be installed in the waist hole through the nut, and during the installation, the nut is fastened again when the detection component is in a proper position.

Preferably, the mounting seat comprises a second mounting portion connected with the first mounting portion, the second mounting portion is connected below the mounting plate, and the second mounting portion is adjustably connected with the mounting plate along a length direction parallel to the battery replacement vehicle.

In this technical scheme, the mount pad is fixed in the below of bottom plate through the second installation department, through adjusting the position of second installation department in the bottom plate below, can adjust the distance between detecting element and the connecting portion to nimble sensitivity of adjusting the switch, avoid the problem that the switch detection sensitivity is low that reasons such as installation error, sensor model change caused.

Preferably, the contact portion has a plate-like structure.

In this technical scheme, through setting up the contact site for platelike structure, when it contacts with the wheel, have great area of contact to it is not fragile.

Preferably, when the wheel is located in the limiting area, the wheel abuts against the limiting assembly, and a gap is formed between the contact portion and the bottom plate.

In this technical scheme, prevent through above-mentioned setting that connecting portion from when arriving the trigger position that the contact site produces the collision with the bottom plate, lead to connecting portion or bottom plate to damage.

Preferably, the position limiting assembly comprises: the front position determining and clamping component is arranged on the front side of the limiting area, and an anti-skidding structure is arranged on one side, which is in contact with the wheel, of the front position determining and clamping component; and/or the presence of a gas in the atmosphere,

the spacing subassembly includes: the rear position determining and clamping component is arranged on the rear side of the limiting area, and an anti-skidding structure is arranged on one side, which is in contact with the wheel, of the rear position determining and clamping component.

In this technical scheme, preceding position is confirmed clamping part and is used for carrying on spacingly with the back position is confirmed clamping part to the displacement around the wheel, prevents that the wheel from rolling around and positioning the wheel simultaneously. The anti-skidding structure is arranged on one side, which is contacted with the wheel, of the front position determination clamping component and the rear position determination clamping component, so that the anti-skidding structure can play an anti-skidding role on the wheel in extreme weather such as snow, rain and the like, the wheel is prevented from skidding, and the battery replacing vehicle can safely and stably drive into an appointed position.

Preferably, the anti-slip structure is at least one of a rough surface, a plurality of protrusions arranged at intervals and a plurality of recesses arranged at intervals.

Preferably, the anti-skid structure comprises a plurality of anti-skid plates arranged in the vertical direction, each anti-skid plate extends along the width direction of the wheel, and the anti-skid plates are arranged at intervals along the length direction of the battery replacing vehicle.

In this technical scheme, a plurality of antiskid ribbed tile through the interval setting form unevenness's contact surface to reach the effect that prevents the wheel and skid, simple structure.

A lifting machine is characterized by comprising the wheel in-place detection device.

In the technical scheme, the lifting machine can accurately detect whether the battery replacing vehicle reaches a preset specified position by applying the wheel in-place detection device, and the battery replacing efficiency is improved.

A vehicle carrying platform is characterized by comprising the lifting machine.

The positive progress effects of the invention are as follows:

according to the invention, through arranging the integral structure of the wheel in-place detection device, whether the battery replacement vehicle reaches a preset specified position can be accurately detected, and the battery replacement efficiency is improved. Wherein, spacing subassembly plays limiting displacement to the wheel, and when the wheel went to spacing region on, spacing subassembly can make the wheel inject in spacing region, and simultaneously, the wheel promoted connecting portion through the contact site and shifts to the trigger position from initial position. The width of the projection of the contact part on the horizontal plane is limited to be larger than the width of the groove on the tread of the wheel, so that when the wheel reaches a limit area, the contact part is prevented from being inserted into the groove of the wheel, an error detection result is avoided, and the detection accuracy is improved.

Drawings

Fig. 1 is a schematic structural view of a vehicle carrying platform according to embodiment 1 of the present invention.

Fig. 2 is a schematic structural view of a lifting machine according to embodiment 1 of the present invention.

Fig. 3 is a schematic partial top view of a lifting machine according to embodiment 1 of the present invention.

Fig. 4 isbase:Sub>A schematic sectional view in the direction ofbase:Sub>A-base:Sub>A in fig. 3.

Fig. 5 is a schematic cross-sectional view in the direction B-B in fig. 3.

Fig. 6 is a partially enlarged view of a portion C in fig. 4.

Fig. 7 is a partially sectional schematic structural view of a movable part of the wheel-position detecting device according to embodiment 1 of the present invention at a trigger position.

Fig. 8 is a partially enlarged view of a portion D in fig. 5.

Fig. 9 is a schematic perspective view of a wheel-in-place detecting apparatus according to embodiment 1 of the present invention.

Fig. 10 is a partial perspective view of the wheel-position detecting device according to embodiment 1 of the present invention, with the movable member in the initial position.

Fig. 11 is a partial perspective view of the movable member of the wheel-position detecting device in the triggering position according to embodiment 1 of the present invention.

Fig. 12 is a partially sectional schematic structural view of a lifting machine according to embodiment 2 of the present invention.

Fig. 13 is a partially sectional schematic structural view of another position of the lifting machine according to embodiment 2 of the present invention.

Fig. 14 is a schematic perspective view of a front position determining clamping member of the wheel-in-position detecting apparatus according to embodiment 2 of the present invention.

Fig. 15 is a schematic perspective view of the rear position determining clamping member of the wheel-in-place detecting apparatus according to embodiment 2 of the present invention.

Fig. 16 is a partial sectional structural view of a lifting machine according to embodiment 3 of the present invention.

Description of the reference numerals

Vehicle carrying platform 10

Lifting machine 1

Front lifter 11

Rear lifter 12

Bearing plate 13

First through hole 131

Lifting mechanism 14

Wheel in-place detection device 2

Bottom plate 21

Limit assembly 22

Limit area 221

Front position determining clamping member 222

First base 2222

First side plate 2223

First mounting groove 2224

Front side panel 2225

Avoidance step 2226

Rear position determining clamping member 223

Second base 2232

Second side panel 2233

Second mounting groove 2234

First anti-skid structure 224

First antiskid plate 2241

Second anti-skid structure 225

Second anti-skid plate 2251

Guide position determining pinch roller assembly 226

Movable part 23

Connecting part 231

Contact 232

Shielding part 233

Regulating part 234

Elastic reset piece 235

Detection assembly 24

Sensing part 241

Mounting plate 25

Intermediate plate 26

Mounting seat 27

First mounting part 271

First mounting hole 2711

Second mounting portion 272

Connecting piece 29

Drive device 4

Detailed Description

The present invention will be more clearly and completely described in the following description of preferred embodiments, taken in conjunction with the accompanying drawings.

Example 1

As shown in fig. 1, the embodiment provides a specific implementation of a vehicle carrying platform 10, and the vehicle carrying platform 10 includes a lifting machine 1. The whole battery replacing vehicle can be lifted by using a single lifting machine 1, and the lifting can also be realized by using a plurality of lifting machines 1, in this embodiment, two lifting machines 1 are provided, which are a front lifting machine 11 and a rear lifting machine 12 respectively, wherein the front lifting machine 11 is a lifting machine located at the front wheel position of the battery replacing vehicle, the rear lifting machine 12 is a lifting machine located at the rear wheel position of the battery replacing vehicle, and the example of realizing the lifting and the resetting by using the two lifting machines is illustrated, but the schematic diagram 1 should not be construed as limiting the protection scope of the present invention.

As shown in fig. 2, taking a lifting machine located at a front wheel position of an electric vehicle as an example, the lifting machine 1 includes a carrier plate 13 and a wheel-in-position detecting device 2. The battery replacement vehicle can run onto the bearing plate 13, and the wheel in-place detection device 2 is arranged at a position, corresponding to the parking position of the front wheel of the battery replacement vehicle, of the bearing plate 13 and used for detecting whether the wheel is in place or not and limiting the position of the front wheel in the length direction X of the battery replacement vehicle. In the present embodiment, only 1 wheel-in-place detecting device 2 is provided, corresponding to the front wheel on the left side of the battery replacement vehicle.

In other specific embodiments, four wheel in-place detection devices 2 may be provided, that is, one wheel in-place detection device 2 is provided for each wheel of the battery replacement vehicle, or only two wheel in-place detection devices 2 may be provided, where the two wheel in-place detection devices 2 correspond to two wheels on the left side of the battery replacement vehicle or two wheels on the right side of the battery replacement vehicle.

The lifting machine 1 further comprises a lifting mechanism 14 and a driving device, wherein the lifting mechanism 14 is used for driving the bearing plate 13 to move up and down, so that the lifting machine 1 can lift the battery replacing vehicle, and when the battery replacing is carried out, the lifting machine 1 lifts or descends the battery replacing vehicle, so that the battery replacing equipment can enter the bottom of the electric vehicle to carry out the battery replacing operation (namely, battery dismounting and battery mounting). The driving device is used for driving the bottom plate 21 to move along the length direction X of the battery replacing vehicle.

As shown in fig. 3 to 11, the wheel-in-position detecting device 2 includes: bottom plate 21, spacing subassembly 22, movable part 23 and detection component 24. The bottom plate 21 is provided on the carrier plate 13 of the lift 1.

The stopping assembly 22 is located on the bottom plate 21, and forms a stopping area 221 for limiting the position of the wheel above the bottom plate 21, and the stopping area 221 is configured to be able to support the wheel upward. The stop assembly 22 includes: a front position-determining clamping member 222 and a rear position-determining clamping member 223. The front position determining clamping member 222 is provided on the front side of the stopper region 221; the rear position determining clamping member 223 is disposed at the rear side of the stopper region 221. The front side of the stopper region 221 and the rear side of the stopper region 221 are defined according to the moving direction M of the wheel, the front side of the stopper region 221 is a position that contacts the wheel first, and the rear side of the stopper region 221 is a position that contacts the wheel later.

The movable element 23 is located at least partially within the retaining region 221, the movable element 23 comprising a connecting portion 231 and a contact portion 232 for contact with the tread of the wheel, which are connected to each other. The contact portion 232 is provided at an upper end of the connection portion 231. Along the rotation axis direction of the wheel, the width of the projection of the contact part 232 on the horizontal plane is greater than the width of the groove on the tread of the wheel, so that when the wheel reaches the limit area 221, the contact part 232 is prevented from being inserted into the groove of the wheel, the wrong detection result is avoided, and the detection accuracy is further improved.

In this embodiment, the connecting portion is a straight rod, the contact portion 232 is a plate-shaped structure and horizontally disposed, and the contact portion 232 is a rectangular plate, so that the contact portion has a larger contact area with the wheel. In other embodiments, the contact portion 232 may also be a plate-shaped structure with different shapes, such as a circle, an ellipse, or a polygon, which is not described herein.

When the wheel enters the limit area 221, the contact portion 232 of the movable member 23 is pushed by the wheel, and the connecting portion 231 is driven to descend from the initial position to the triggering position. When the wheel leaves the limit area 221, the contact portion 232 of the movable member 23 is released by the wheel, and the connecting portion 231 is driven to return to the initial position from the triggering position. Referring back to fig. 6 and 10, in both of the figures, the contact portion 232 of the movable member 23 is not pushed by the wheel, and the connecting portion 231 is located at the initial position. Referring to fig. 7 and 11 again, the connecting portion 231 is located at the triggering position after the contact portion 232 of the movable member 23 is pushed by the wheel.

The detection assembly 24 is used for detecting whether the connection portion 231 is in the trigger position.

Like this, play limiting displacement to the wheel through setting up spacing subassembly 22, when the wheel went to spacing region 221 on, spacing subassembly 22 can make the wheel inject in spacing region 221, and simultaneously, the wheel promotes connecting portion 231 through contact part 232 and shifts to the trigger position from initial position, and whether rethread detection assembly 24 detects connecting portion 231 is in the trigger position. That is to say, through the cooperation of the limiting component 22, the movable component 23 and the detecting component 24, whether the vehicle for replacing batteries reaches a predetermined designated position can be accurately detected, the battery replacing efficiency is improved, and meanwhile, the situation that the contact part is small in size and extends into a groove on the tire tread is avoided, so that the detection accuracy and the sensitivity are further improved.

The detecting component 24 is further configured to send a wheel-in-position signal when the detecting component 24 detects that the connecting portion 231 is at the triggering position. Therefore, the wheel in-place signal is sent by the trigger detection assembly 24 to remind that the wheel of the battery replacing vehicle reaches the limit area 221, namely, the battery replacing vehicle reaches the designated position, and the wheel in-place signal can timely trigger the battery replacing equipment or inform an electric vehicle driver or a worker of a battery replacing station in various forms of performing the next battery replacing operation, so that the battery replacing efficiency is further improved. The detecting assembly 24 includes a sensing component 241, and when a shielding object appears in a trigger area of an axial side of the sensing component 241, the detecting assembly 24 sends an electrical signal, in this embodiment, the sensing component 241 is a proximity switch.

The sensing part 241 of the detecting assembly 24 is disposed below the bottom plate 21, the contact portion 232 is disposed above the bottom plate 21, and one end of the connecting portion 231, which is far away from the contact portion 232, passes through the bottom plate 21 downward, so as to prevent the wheel from being damaged due to contact and extrusion with the detecting assembly 24.

In the present embodiment, the movable member 23 further includes a shielding portion 233 and an adjusting portion 234.

The shielding portion 233 is connected to the connecting portion 231 and located below the bottom plate 21, and when the connecting portion 231 is in the triggering position, the shielding portion 233 is at least partially located in the triggering area of the sensing part 241 of the detecting assembly 24.

Specifically, when the wheel enters the limit area 221, the movable part 23 is pushed by the wheel to move from the initial position to the trigger position, and when the connecting part 231 is located at the trigger position, the trigger area of the sensing part 241 of the detection assembly 24 is at least partially shielded by the shielding part 233, so that the detection assembly 24 is triggered and sends a wheel position signal, and the wheel position signal can remind that the wheel of the battery replacing vehicle reaches the limit area 221, thereby triggering the battery replacing device to perform the next battery replacing operation in time. The shielding portion 233 and the detection assembly 24 realize non-contact detection, so that the sensing part 241 of the detection assembly 24 is not worn and damaged, and the service life of the wheel in-place detection device 2 is prolonged.

Specifically, the shielding portion 233 has an inverted L-shaped plate-like structure. The adjusting portion 234 is provided at one end of the connecting portion 231 remote from the contact portion 232, and the adjusting portion 234 is used to adjust the position of the shielding portion 233 in the moving direction N of the movable member 23. In this way, by providing the adjusting portion 234, the position of the shielding portion 233 in the moving direction N of the movable member 23 can be adjusted, so as to ensure that the shielding portion 233 can at least partially move downward to the triggering area when the wheel is in place, thereby avoiding premature triggering or incapability of triggering due to the installation position deviation or poor installation accuracy of the shielding portion 233 or the sensing member 241, and improving the detection accuracy of the wheel in-place detection device 2.

One end of the shielding portion 233 is connected to the adjusting portion 234, one end of the inverted L-shaped plate-shaped structure of the shielding portion 233 is connected to the adjusting portion 234, and the other end of the shielding portion 233 triggers the sensing component 241 of the detecting assembly 24.

One end of the connecting portion 231, which is far away from the contact portion 232, is provided with an external thread section, the adjusting portion 234 includes two adjusting nuts engaged with the external thread section, and one end of the shielding portion 233 is sleeved on the external thread section and is sandwiched between the two adjusting nuts. The adjusting part 234 is in threaded fit with the connecting part 231, so that the positions of the adjusting part 234 and the shielding part 233 on the connecting part 231 can be adjusted through threads, and the mounting and dismounting are convenient.

In other specific embodiments, the shielding portion 233 may also have other structures, as long as one end of the shielding portion is connected to the connecting portion 231 through the adjusting portion 234, and the other end of the shielding portion can trigger the detecting assembly 24, which is not described herein again.

In order to limit the moving range of the wheel-in-place detecting device 2 in the length direction X of the battery replacement vehicle, the wheel-in-place detecting device 2 further comprises an intermediate plate 26 and a mounting plate 25 which are positioned below the bottom plate, the intermediate plate 26 is positioned between the mounting plate 25 and the bottom plate 21, the intermediate plate 26 and the mounting plate 25 are connected together through a connecting piece 29, and the connecting piece 29 sequentially penetrates through the bottom plate 21, the intermediate plate 26 and the mounting plate 25. The bottom plate 21, the middle plate 26 and the mounting plate 25 are driven by the driving device 4 to move along the length direction of the battery replacing vehicle. The carrier plate 13 is provided with a first through hole 131. The first through hole 131 is a rectangular hole, and the length direction is parallel to the length direction X of the battery replacement vehicle. The middle plate 26 is located in the first through hole 131, and when the driving device drives the middle plate 26 to move, the middle plate 26 can move in the first through hole 131 along the length direction X of the battery replacing vehicle, so that the first through hole 131 can limit the moving range of the middle plate 26 along the length direction X of the battery replacing vehicle.

The end of the connecting portion 231 remote from the contact portion 232 passes through the bottom plate 21, the mounting plate 25 and the intermediate plate 26 in this order downward. The regulating portion 234 and the shielding portion 233 are both located below the mounting plate 25.

In order to realize the automatic reset of the connecting portion 231, the movable member 23 further includes an elastic reset piece 235, the elastic reset piece 235 is sleeved on the connecting portion 231, an end portion of the elastic reset piece 235 passes through the bottom plate 21 and abuts against an upper end surface of the middle plate 26, and another end portion of the elastic reset piece 235 abuts against a lower surface of the contact portion 232, and is used for applying an acting force to the contact portion 232 toward a direction away from the shielding portion 233. The elastic restoring member 235 allows the connecting portion 231 to be automatically moved from the trigger position to the initial position without manual operation, and the movable member 23 has a simple overall structure, is cost-effective, and is not easily worn or damaged. The elastic restoring member 235 may be a metal spring (compression spring), an air spring, etc., a rubber spring, etc.

As shown in fig. 4, the driving device 4 is located below the mounting plate 25, and a power output end of the driving device 4 is connected to the mounting plate 25 and drives the mounting plate 25 to move along the length direction X of the battery replacing vehicle.

The number of connecting portions 231 is two, and two connecting portions 231 are arranged along the width direction of trading electric vehicle, and are located drive arrangement 4's both sides respectively, and elasticity resets 235 and connecting portions 231 one-to-one setting, wherein, trade the width direction of electric vehicle the width direction W of wheel promptly. In this way, the connecting portion 231 is retracted from the driving device 4, and the contact portion is supported by the two connecting portions 231, so that when the connecting portion 231 is pressed down by a wheel, the connecting portion 231 is not easily inclined, and thus mechanical jamming occurs between the connecting portion 231 and the bottom plate 21, or the shielding portion 233 cannot trigger the detection assembly 24.

In the present embodiment, a shielding portion 233 is disposed on one of the two connecting portions 231, and the detecting assemblies 24 are disposed in one-to-one correspondence with the shielding portions 233. In this way, only one set of shielding portions 233 is matched with the detection assembly 24 to realize wheel in-place detection, and cost is reduced. However, in other embodiments, the two connection portions 231 may be provided with the shielding portions 233, that is, two shielding portions 233, and correspondingly, the number of the detection assemblies 24 is also two, and the two detection assemblies may be provided corresponding to the two shielding portions 233 respectively.

In order to facilitate the installation of the detecting assembly 24 so that the detecting assembly 24 can be located at a desired detecting position, the lower end surface of the installing plate 25 is provided with an installing seat 27, the installing seat 27 includes a first installing portion 271 arranged in parallel with the moving direction N of the movable part 23, and the sensing part 241 of the detecting assembly 24 is arranged on the first installing portion 271.

Further, the sensing part 241 of the detecting assembly 24 is adjustably connected to the first mounting part 271 along the moving direction N of the movable part 23. Specifically, the first mounting portion 271 is provided with a first mounting hole 2711, the first mounting hole 2711 is a waist hole, the detecting element 24 passes through the waist hole to be connected with the first mounting portion 271, and the length direction of the waist hole is parallel to the moving direction N of the movable element 23. Specifically, the sensing member 241 of the detecting unit 24 is fastened to the waist hole of the first mounting portion 271 by a nut.

Thus, even if the actual relative position between the mounting seat 27 and the movable part 23 deviates from the design requirement due to machining errors or assembly errors, the position of the sensing part 241 on the first mounting part 271 can be adjusted to ensure that the shielding part can be located in the triggering area of the sensing part 241 when the connecting part descends to the triggering position, thereby avoiding triggering in advance or not triggering due to the deviation of the position of the sensing part 241, ensuring smooth operation of power exchange, and reducing the machining and assembly precision requirements of the wheel in-place detection device 2.

Preferably, the mounting seat 27 includes a second mounting portion 272 coupled to the first mounting portion 271, the second mounting portion 272 is coupled to the mounting plate 25 below, and the second mounting portion 272 is adjustably coupled to the mounting plate 25 in a direction parallel to the length direction X of the hybrid vehicle. In this embodiment, the second mounting portion 272 may be provided with a waist hole to match the bolt assembly to adjust the position and then be tightened to achieve the aforementioned function, which is not described herein again.

Thus, the mounting seat 27 is fixed below the bottom plate 21 through the second mounting portion 272, and the distance between the detecting component 24 and the connecting portion 231 can be adjusted by adjusting the position of the second mounting portion 272 below the bottom plate 21, so that the sensitivity of the switch can be flexibly adjusted, and the problem of low switch detection sensitivity caused by mounting errors, sensor model changes and the like can be solved.

Preferably, as shown in fig. 7, when the wheel is located in the position-limiting area 221, the wheel abuts against the position-limiting assembly 22, and the contact portion 232 and the bottom plate 21 have a gap v, so as to prevent the contact portion 232 and the bottom plate 21 from colliding when the connecting portion 231 reaches the triggering position.

Preferably, as shown in fig. 9, the limiting member 22 further includes two sets of guiding position determining clamping roller assemblies 226, and the two sets of guiding position determining clamping roller assemblies 226 are symmetrically disposed at left and right sides of the limiting region 221. In this way, the guide position determining pinch roller assembly 226 can guide the wheel, which can be guided into the restraining region 221.

The left and right sides of the stopper region 221 are defined by the left and right sides of the wheel movement direction M, the left side of the stopper region 221 is the left side when traveling in the wheel movement direction M, and the right side of the stopper region 221 is the right side when traveling in the wheel movement direction M.

In the embodiment, by arranging the integral structure of the wheel in-place detection device, whether the battery replacement vehicle reaches a preset specified position can be accurately detected, and the battery replacement efficiency is improved.

Example 2

As shown in fig. 12 to 15, the wheel-in-place detecting device 2 of the present embodiment has substantially the same overall structure as that of embodiment 1, except that the front position determining clamping member 222 and the rear position determining clamping member 223 are provided with anti-slip structures on the sides that are first in contact with the wheel, specifically, the front position determining clamping member 222 is provided with a first anti-slip structure 224 on the side that is first in contact with the wheel, and the rear position determining clamping member 223 is provided with a second anti-slip structure 225 on the side that is first in contact with the wheel.

Specifically, first non-slip structure 224 includes a plurality of first antiskid ribbed tile 2241 that set up along vertical direction H, and every first antiskid ribbed tile 2241 all extends along the width direction of wheel, and the length direction interval that the first antiskid ribbed tile 2241 of polylith was followed and is traded electric vehicle sets up. A plurality of first antiskid ribbed tile 2241 through the interval setting form unevenness's contact surface to reach the effect that prevents the wheel and skid, and simple structure.

As shown in fig. 13, a first included angle α between a plane where a side edge of the upper surface of the first anti-slip plates 2241 which is firstly contacted with the wheel is located and a horizontal plane is 15 to 25 degrees. Thus, the first included angle alpha is set to be 15-25 degrees, so that the phenomenon of too steep ascending is avoided, and the vehicle can drive into the battery replacement position more safely and smoothly. In this embodiment, the first included angle α is 20 degrees, but may be any angle between 15 degrees and 25 degrees in other embodiments.

Along the moving direction of the wheels, the first spacing distance d1 between two adjacent first anti-skid plates 2241 is 10 mm-15 mm. Therefore, through setting a better range of the first spacing distance d1 between two adjacent first anti-skid plates 2241, jolting caused by the fact that the vehicle runs due to the fact that the spacing distance is too large is avoided, and the anti-skid function is weakened due to the fact that the spacing distance is too small. Note that the first separation distance d1 is a separation distance between surfaces of two adjacent first anti-skid plates 2241.

As shown in fig. 14, the front position determining clamping member 222 includes a first base 2222. First base 2222 includes two first curb plates 2223 of relative perpendicular setting on the bottom plate that set up, and the corresponding position on two first curb plates 2223 all is equipped with first mounting groove 2224, and two first mounting grooves 2224 are inserted respectively to the both ends of first antiskid ribbed tile 2241. Like this, through setting up the concrete structure of first base 2222 to make first antiskid sheet 2241's both ends fix respectively in two first mounting grooves 2224, strengthened the fixed stability and the fastness of first antiskid sheet 2241.

In the moving direction of the wheel, the first base 2222 further includes a front side plate 2225 disposed in front of the first anti-skid plates 2241 (i.e., on the right in fig. 14), two ends of the front side plate 2225 are connected to the two first side plates 2223, respectively, and the height of the front side plate 2225 is lower than that of the first anti-skid plate 2241 closest to the front side plate. In this way, the overall structural strength of the first base 2222 can be further reinforced by providing the front side panel 2225. The thicknesses of the first side plate 2223 and the front side plate 2225 are both 4mm, and the thickness of the first anti-skid plate 2241 is 3mm.

An escape step 2226 is provided in a side of the front position determining clamping member 222 facing the stopper region 221, adjacent to the stopper region 221, to avoid interference with the stopper region 221 while ensuring a slope of the front position determining clamping member 222 facing the stopper region 221.

As shown in fig. 15, the second antiskid structure 225 includes a plurality of second antiskid plates 2251 arranged in the vertical direction H, each of the second antiskid plates 2251 extends in the width direction of the wheel, and the plurality of second antiskid plates 2251 are arranged at intervals in the length direction of the electric vehicle. Like this, a plurality of second antiskid ribbed tile 2251 through the interval setting form unevenness's contact surface to reach the effect that prevents the wheel and skid, and simple structure.

A second included angle β between a plane of a side edge of the upper surface of the second antiskid plate 2251, which is first in contact with the wheel, and a horizontal plane is 15 to 25 degrees. Therefore, the angle range of the second included angle beta is 15-25 degrees, the phenomenon of too steep ascending is avoided, and the vehicle can safely and stably run out of the power exchange position after the power exchange is completed. In this embodiment, the second included angle β is 20 degrees, but may be any angle between 15 degrees and 25 degrees in other embodiments.

The second separation distance d2 between two adjacent second anti-skid plates 2251 along the moving direction of the wheel is 10mm to 15mm. In this way, by setting a preferable range of the second separation distance d2 between two adjacent second anti-skid plates 2251, jolt caused by the fact that the second separation distance d2 is too large is avoided, and reduction of the anti-skid function caused by the fact that the second separation distance d2 is too small is avoided. Note that the second separation distance d2 is a separation distance between surfaces of two adjacent second cleats 2251.

As shown in fig. 15, the rear position determining clamping member 223 includes a second base 2232. The second base 2232 includes two second side plates 2233 that set up relatively, and the corresponding position on two second side plates 2233 all is equipped with second mounting groove 2234, and the both ends of second antiskid ribbed tile 2251 are pegged graft respectively in two second mounting grooves 2234. In this way, by providing a specific structure of the second base 2232, both ends of the second anti-skid plate 2251 are fixed in the two second installation grooves 2234, respectively, so that the stability and firmness of fixing the second anti-skid plate 2251 are enhanced. Wherein the thickness of the second side plate 2233 is 4mm, and the thickness of the second anti-skid plate 2251 is 3mm.

But not limited thereto, in other embodiments, the first anti-skid structure 224 may also be at least one of a rough surface, a plurality of spaced protrusions, a plurality of spaced depressions; likewise, the second anti-slip structure 225 may also be at least one of a rough surface, a plurality of protrusions spaced apart from each other, and a plurality of recesses spaced apart from each other, which is not further limited herein.

In the present embodiment, the front position-determining clamping member 222 and the rear position-determining clamping member 223 are symmetrically disposed on the side facing the stopper region 221. Thus, with the above arrangement, a symmetrical limit space is provided for the wheel located in the limit region 221 to ensure that the wheel can accurately press down the contact portion. Further, an anti-slip structure may be disposed on a side of the front position determining clamping component 222 facing the limiting area 221, so as to ensure an anti-slip function when the electric vehicle is reversed.

Example 3

As shown in fig. 16, the wheel-position detecting device 2 of the present embodiment is substantially the same in overall structure as in embodiment 1 or 2, except that the end of the elastic restoring member 235 abuts against the upper end face of the mounting plate 25, rather than the upper end face of the intermediate plate.

In the present embodiment, the wheel-in-place detecting device 2 does not include the middle plate, and the bottom plate 21 is still connected to the mounting plate 25 through the connecting member 29, so that the mounting plate 25 drives the bottom plate 21 and the structure disposed thereon to move along the length direction of the battery replacement vehicle under the driving of the driving device.

The connection portion 231 penetrates the bottom plate 21, the first through hole 131, and the mounting plate 25 in this order, and an end portion of the elastic restoring member 235 penetrates the bottom plate 21 and abuts against an upper end surface of the mounting plate 25.

Without limitation, in another embodiment of this embodiment, the end of the resilient return 235 abuts the upper end surface of the bottom plate 21, rather than the upper end surface of the intermediate plate or the upper end surface of the mounting plate 25; or the wheel-in-place detecting device 2 may be provided with an intermediate plate, and the elastic restoring member 235 may pass through the intermediate plate and abut against the upper end surface of the mounting plate 25.

While specific embodiments of the invention 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 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 scope of the invention, and these changes and modifications are within the scope of the invention.

Claims

1. A wheel-in-place detecting device, characterized by comprising:

the bottom plate is arranged on a bearing plate of the lifting machine;

the movable part is at least partially positioned in the limit area and comprises a connecting part and a contact part, the connecting part is connected with the contact part, the contact part is used for being in contact with the tread of the wheel, the contact part is arranged at the upper end of the connecting part, the width of the projection of the contact part on the horizontal plane is larger than the width of the groove on the tread of the wheel along the direction of the rotation axis of the wheel, and when the wheel enters the limit area, the contact part of the movable part is pushed by the wheel to drive the connecting part to descend from the initial position to the triggering position;

2. The wheel-in-place detecting device of claim 1, wherein the detecting component is further configured to send a wheel-in-place signal when the detecting component detects that the connecting portion is in the activated position.

3. The wheel-in-place detecting device of claim 1, wherein the detecting assembly is disposed below the bottom plate, the contact portion is disposed above the bottom plate, and an end of the connecting portion, which is away from the contact portion, passes downward through the bottom plate.

4. A wheel-in-place detection apparatus as claimed in claim 3, wherein the movable member further comprises a blocking portion connected to the connecting portion and located below the base plate, the blocking portion being located at least partially within the activation region of the sensing element of the detection assembly when the connecting portion is in the activation position.

5. The wheel-in-place detecting device according to claim 4, wherein the movable member further includes an adjusting portion provided at an end of the connecting portion remote from the contact portion, and the adjusting portion is configured to adjust a position of the shielding portion in a moving direction of the movable member.

6. The wheel-in-place detecting device according to claim 5, wherein the shielding portion is a plate-shaped structure having an inverted L-shape and one end of the shielding portion is connected to the adjusting portion.

7. The wheel in-place detection device of claim 6, wherein an external thread section is arranged at one end of the connecting portion away from the contact portion, the adjusting portion comprises two adjusting nuts engaged with the external thread section, and one end of the shielding portion is sleeved on the external thread section and clamped between the two adjusting nuts.

8. The wheel-in-place detecting device according to claim 4, wherein the movable member further comprises an elastic restoring member, and the elastic restoring member is sleeved on the connecting portion and is used for applying a force to the contact portion, wherein the force is applied to the contact portion, and the force is applied to the contact portion.

9. The wheel-in-position detecting device according to claim 8,

one end, far away from the contact part, of the elastic resetting piece abuts against the upper end face of the bottom plate.

10. The wheel-position detecting device according to claim 8,

the utility model discloses a power pack, including loading board, bottom plate, connecting portion, bottom plate, first through-hole, mounting panel, the mounting panel is equipped with on the loading board, the below of loading board, the mounting panel with the bottom plate is connected, just the mounting panel can remove along the length direction who trades the electric motor car, connecting portion run through in proper order the bottom plate first through-hole with the mounting panel, just the tip that elasticity resets passes the bottom plate and with the up end butt of mounting panel.

11. The wheel-position detecting device according to claim 10,

an intermediate plate is arranged between the mounting plate and the bottom plate, the intermediate plate is positioned in the first through hole and can move in the first through hole along the length direction of the battery replacing vehicle, the bottom plate, the intermediate plate and the mounting plate are connected together through a connecting piece, and the connecting piece sequentially penetrates through the bottom plate, the intermediate plate and the mounting plate; the end part of the elastic reset piece penetrates through the bottom plate and is abutted against the upper end face of the middle plate.

12. The wheel-position detecting device according to claim 10 or 11,

the lifting machine further comprises a driving device, the driving device is located below the mounting plate, and a power output end of the driving device is connected with the mounting plate and drives the mounting plate to move along the length direction of the battery replacing vehicle;

13. The wheel-in-place detecting device according to claim 12, wherein the shielding portions are provided on at least one of the connecting portions, and the detecting assemblies are provided in one-to-one correspondence with the shielding portions.

14. The wheel-in-place detecting device according to claim 12, wherein the mounting plate is provided at a lower end surface thereof with a mounting seat, the mounting seat includes a first mounting portion disposed parallel to a moving direction of the movable member, and the sensing member of the detecting assembly is disposed on the first mounting portion.

15. The wheel-in-place detecting device of claim 14, wherein the sensing member of the detecting assembly is adjustably coupled to the first mounting portion in the direction of movement of the movable member.

16. The wheel-in-place detecting device of claim 15, wherein the first mounting portion is provided with a first mounting hole, the first mounting hole is a waist hole, the detecting component passes through the waist hole to be connected with the first mounting portion, and the length direction of the waist hole is parallel to the moving direction of the movable component.

17. A wheel-in-place detection apparatus as claimed in claim 14, wherein the mounting seat includes a second mounting portion connected to the first mounting portion, the second mounting portion being connected to the mounting plate below, the second mounting portion being adjustably connected relative to the mounting plate in a direction parallel to the length of the vehicle.

18. The wheel-position detecting device according to claim 1, wherein the contact portion is of a plate-like structure.

19. The wheel-in-place detecting device of claim 1, wherein when the wheel is located in the limiting region, the wheel abuts against the limiting component, and the contact portion has a gap with the bottom plate.

20. The wheel-position detecting device according to claim 1,

the spacing subassembly includes: the front position determining and clamping component is arranged on the front side of the limiting area, and an anti-skidding structure is arranged on one side, which is in contact with the wheel, of the front position determining and clamping component; and/or the presence of a gas in the gas,

21. The wheel-position detecting device according to claim 20,

the anti-skid structure is at least one of a rough surface, a plurality of protrusions arranged at intervals and a plurality of recesses arranged at intervals.

22. The wheel-in-place detecting device of claim 20, wherein the anti-slip structure comprises a plurality of anti-slip plates arranged in a vertical direction, each anti-slip plate extends along a width direction of the wheel, and the anti-slip plates are arranged at intervals along a length direction of the battery replacement vehicle.

23. A lift including a wheel-position detecting device according to any one of claims 1 to 22.

24. A vehicle carrying platform, characterized in that it comprises a lift according to claim 23.