Vehicle rear wheel position adjusting mechanism

Abstract

The utility model discloses a vehicle rear wheel position adjusting mechanism, and relates to the technical field of vehicle rear wheel position adjustment for battery replacement, the vehicle rear wheel position adjusting mechanism comprises a supporting frame installed at the bottom of a battery replacement channel, the bottom and the top of the supporting frame are fixedly connected with a bottom plate and a top plate respectively, and the top of the top plate is provided with a through cavity; the top of the bottom plate is symmetrically connected with two rear wheel position adjusting assemblies. During use, through the arranged rear wheel position adjusting assembly, the height and the transverse position of a vehicle can be adjusted through the height adjusting unit and the transverse position adjusting unit respectively when the vehicle is parked in a battery replacement channel and rear wheels of the vehicle are pressed on the tops of the two sets of positioning rollers; therefore, the vehicle is in a horizontal position and is in a central position in the battery replacement channel, the parking position and posture of the vehicle can be automatically and conveniently adjusted, it is ensured that follow-up battery replacement operation is smoothly and reliably carried out, meanwhile, the requirement for the technology of a driver during battery replacement is lowered, and the time and physical strength of the driver are saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of vehicle rear wheel position adjustment for battery replacement, and particularly relates to a vehicle rear wheel position adjustment mechanism. BACKGROUND

[0002] With the increasing recognition of environmental protection and sustainable development concept, people begin to seek cleaner new energy as energy form to reduce pollution generated in the energy use process. In this context, new energy vehicles have been developed and become more popular in recent years.

[0003] The most common new energy vehicle is an electric vehicle powered by electricity. During use, the battery needs to be charged to ensure the vehicle can travel normally. Even if fast charging takes more than half an hour, the charging efficiency still cannot meet the use requirements for vehicles in urgent need of travel. Therefore, battery replacement stations have emerged. They replace the battery pack of new energy vehicles with a full battery pack, greatly improving the charging efficiency.

[0004] The existing battery replacement station needs the driver to park the vehicle in the designated battery replacement channel before performing the battery replacement operation. In order to ensure the smooth operation of the battery replacement, the parking position and posture of the vehicle in the battery replacement channel have certain requirements, which makes the driver need to carefully adjust the parking position and posture. This requires certain parking skills of the driver and is time-consuming and laborious. Therefore, an equipment that can automatically adjust the parking position and posture of the vehicle is needed to replace the driver. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a vehicle rear wheel position adjustment mechanism to solve the problem of the existing battery replacement station needing the driver to carefully adjust the parking position and posture, which requires certain parking skills of the driver and is time-consuming and laborious.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a vehicle rear wheel position adjustment mechanism, comprising a support frame installed at the bottom of the battery replacement channel, the bottom and top of the support frame are fixedly connected with a bottom plate and a top plate respectively, a through cavity is formed in the top of the top plate, and two rear wheel position adjustment assemblies are symmetrically connected to the top of the bottom plate.

[0007] The rear wheel position adjusting assembly is used for adjusting the positions of the two rear wheels of the vehicle to adjust the parking position and posture of the vehicle, and comprises a height adjusting unit connected to the top of the bottom plate, a support plate connected to the top of the height adjusting unit, a transverse position adjusting unit arranged on the support plate and used for adjusting the positions of the rear wheels of the vehicle along the width direction of the vehicle, and two groups of positioning rollers symmetrically and rotatably connected to the top of the support plate and equidistantly distributed along the width direction of the vehicle.

[0008] Preferably, the height adjusting unit comprises two cross arms symmetrically connected to the top of the bottom plate, and further comprises a first driving mechanism connected to the two cross arms, and the first driving mechanism is used for adjusting the height of the cross arms, so that the support plate can be stably supported by the lifting of the cross arms, the stability during the adjustment of the height of the rear wheels of the vehicle is ensured, and the reliability and stability of the rear wheel position adjusting mechanism are improved.

[0009] Preferably, the cross arm comprises a first support arm, a second support arm rotatably connected to the first support arm through a first rotating rod, and the first support arm and the second support arm are cross-distributed, one end of the first support arm and the second support arm close to the edge of the vehicle is fixedly hinged to the bottom of the top plate and the top of the bottom plate through two fixed hinge seats respectively, and one end of the first support arm and the second support arm close to the middle position of the vehicle is hingedly connected with a moving hinge seat, and the two moving hinge seats are slidably connected to the bottom of the top plate and the top of the bottom plate through two first sliding rails and two sliding grooves respectively, so that the stability and reliability of the position adjusting mechanism during the adjustment of the rear wheels of the vehicle can be effectively ensured.

[0010] Preferably, the first driving mechanism comprises a first motor fixedly connected to the top of the bottom plate, a first threaded rod fixedly connected to the output end of the first motor, a first threaded sleeve threadedly sleeved on the outer threaded surface of the first threaded rod, a first connecting plate fixedly connected to the top of the first threaded sleeve, two fixed plates fixedly and symmetrically connected to the top of the first connecting plate, two rotating sleeves fixedly and symmetrically connected to the top of the two fixed plates, a second rotating rod rotatably connected between the two rotating sleeves, and two ends of the second rotating rod penetrating through the two fixed plates and fixedly connected to the two first rotating rods on the two cross arms, so that the structure of the first driving mechanism is simplified and the practicability of the position adjusting mechanism is improved under the premise of ensuring stable adjustment of the height of the cross arms.

[0011] Preferably, the first driving mechanism further comprises two supporting blocks symmetrically fixedly connected at the bottom of the two fixed plates, and the bottom of the two supporting blocks is slidably connected to the top of the bottom plate through two second sliding rails and two second sliding grooves, which has the advantage that the supporting stability of the second rotating rod can be improved through the two supporting blocks, and the stability and reliability of the position adjusting mechanism during the adjustment of the position of the rear wheels of the vehicle are further improved.

[0012] Preferably, the transverse position adjusting unit comprises two vertical plates symmetrically fixedly connected at the top of the supporting plate, a pushing member is slidably connected between the two vertical plates, and a second driving mechanism is connected between the two vertical plates, the pushing member is connected to the second driving mechanism, and the second driving mechanism is used to drive the pushing member to move along the width direction of the vehicle, which has the advantage that the adjustment of the position of the rear wheels of the vehicle can be reliably and accurately completed, and thus the subsequent battery replacement operation can be smoothly performed.

[0013] Preferably, two pairs of limit switches are symmetrically connected to the two pairs of vertical plates, the pushing member can be in contact with the limit switches to turn off the second driving mechanism, a low liquid level sensor is fixedly connected to the top of the movable hinged seat on the lower side, and a high liquid level sensor is fixedly connected to the top of the fixed hinged seat on the lower side, which has the advantage that the position adjusting mechanism can be prevented from being damaged by waterlogging in heavy rain, and the safety of the position adjusting mechanism is further improved.

[0014] In summary, the technical effects and advantages of the utility model are as follows:

[0015] 1. In the utility model, when the vehicle is parked in the battery replacement channel and the rear wheels of the vehicle are pressed on the top of the two groups of positioning rollers, the height adjusting unit and the transverse position adjusting unit are used to respectively adjust the height and the transverse position of the vehicle, so that the vehicle is in a horizontal state and is in a central position in the battery replacement channel, the adjustment operation of the parking position and the attitude of the vehicle is automatically and conveniently completed, the subsequent battery replacement operation is smoothly and reliably performed, the technical requirements of the driver during battery replacement are reduced, and the time and physical strength of the driver are saved.

[0016] 2. In the utility model, the first driving mechanism is provided, so that four movable hinged seats can be driven to synchronously slide on the first sliding rail through one second rotating rod, the structure of the first driving mechanism is simplified under the premise of ensuring stable adjustment of the height of the cross arm, and the practicability of the position adjusting mechanism is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without any creative effort.

[0018] Figure 1 It is a structural schematic view of a rear wheel position adjusting mechanism in an embodiment of the present application.

[0019] Figure 2 It is a first structural schematic view of a rear wheel position adjusting assembly in an embodiment of the present application.

[0020] Figure 3 It is a second structural schematic view of a rear wheel position adjusting assembly in an embodiment of the present application.

[0021] Figure 4 It is a third structural schematic view of a rear wheel position adjusting assembly in an embodiment of the present application.

[0022] Figure 5 It is a fourth structural schematic view of a rear wheel position adjusting assembly in an embodiment of the present application.

[0023] Figure 6 It is an enlarged schematic view of A in the embodiment of the present application. Figure 4

[0024] Figure 7 It is an enlarged schematic view of B in the embodiment of the present application. Figure 5

[0025] In the figure: 1, support frame; 2, bottom plate; 3, top plate; 4, rear wheel position adjusting assembly; 41, height adjusting unit; 411, cross arm; 4111, first support arm; 4112, second support arm; 4113, fixed hinge seat; 4114, movable hinge seat; 4115, first sliding rail; 412, first driving mechanism; 4121, first motor; 4122, first threaded rod; 4123, first connecting plate; 4124, fixed plate; 4125, rotating sleeve; 4126, second rotating rod; 4127, support block; 4128, second sliding rail; 42, support plate; 43, transverse position adjusting unit; 431, vertical plate; 432, pushing piece; 4321, push plate; 4322, reinforcing plate; 4323, contact plate; 433, second driving mechanism; 4331, second motor; 4332, second threaded rod; 4333, horizontal plate; 4334, through slot; 4335, straight plate; 44, positioning roller; 5, limit switch; 6, low liquid level sensor; 7, high liquid level sensor. DETAILED DESCRIPTION​​

[0026] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0027] Embodiment 1

[0028] Please refer to Figures 1-6 A vehicle rear wheel position adjusting mechanism shown in the drawing, including the support frame 1 installed in the battery replacement channel bottom, the bottom and top of support frame 1 are fixedly connected with bottom plate 2 and top plate 3 respectively, the top of top plate 3 is provided with a through cavity 31, the middle position of through cavity 31 is fixedly connected with a flat plate 32, to avoid the vehicle rear wheel clamping into the inside of through cavity 31, the top of bottom plate 2 is symmetrically connected with two rear wheel position adjusting assemblies 4;

[0029] It also includes a V-shaped groove, which is used to place the two front wheels of the vehicle, thereby limiting the length direction of the vehicle;

[0030] The rear wheel position adjusting assembly 4 is used to adjust the position of the two rear wheels of the vehicle to adjust the parking position and attitude of the vehicle. The rear wheel position adjusting assembly 4 includes a height adjusting unit 41 connected to the top of the bottom plate 2. The height adjusting unit 41 is connected to a support plate 42 on the top. The support plate 42 is provided with a horizontal position adjusting unit 43 for adjusting the position of the rear wheels of the vehicle along the width direction of the vehicle. The top of the support plate 42 is symmetrically connected to two groups of positioning rollers 44. Each group of positioning rollers 44 is equally distributed along the width direction of the vehicle.

[0031] Reference Figures 1-5 The height adjusting unit 41 includes two cross arms 411 symmetrically connected to the top of the bottom plate 2. The height adjusting unit 41 further includes a first driving mechanism 412. The two cross arms 411 are connected to the first driving mechanism 412. The first driving mechanism 412 is used to adjust the height of the cross arm 411.

[0032] Specifically, the cross arm 411 can stably support the support plate 42, ensuring the stability during adjusting the height of the rear wheels of the vehicle, and improving the reliability and stability of the rear wheel position adjusting mechanism.

[0033] Reference Figures 2-5The cross arm 411 comprises a first supporting arm 4111, a second supporting arm 4112 is rotationally connected to the first supporting arm 4111 through a first rotating rod, the first supporting arm 4111 and the second supporting arm 4112 are cross-distributed, one end of the first supporting arm 4111 and the second supporting arm 4112 close to the vehicle edge is fixedly connected to the top plate 3 bottom and the bottom plate 2 top through two fixed hinge seats 4113 respectively, and one end of the first supporting arm 4111 and the second supporting arm 4112 close to the middle position of the vehicle is hingedly connected with a moving hinge seat 4114, and the two moving hinge seats 4114 are slidingly connected to the top plate 3 bottom and the bottom plate 2 top through two first sliding rails 4115 and two sliding grooves respectively.

[0034] Specifically, by sliding the moving hinge seat 4114 on the first sliding rail 4115, the angles of the first supporting arm 4111 and the second supporting arm 4112 can be adjusted in opposite directions synchronously, so that the height of the cross arm 411 can be adjusted smoothly and reliably, and the stability of the supporting plate 42 during upward and downward movement can be ensured, so that the stability and reliability of the position adjusting mechanism during adjustment of the rear wheels of the vehicle can be effectively ensured.

[0035] Reference Figures 3-6 The first driving mechanism 412 comprises a first motor 4121 fixedly connected to the top of the bottom plate 2, a first threaded rod 4122 fixedly connected to the output end of the first motor 4121, a first threaded sleeve threadedly sleeved on the outer threaded surface of the first threaded rod 4122, a first connecting plate 4123 fixedly connected to the top of the first threaded sleeve, two fixed plates 4124 fixedly connected to the top of the first connecting plate 4123 in a symmetrical manner, two rotating sleeves 4125 fixedly connected to the top of the two fixed plates 4124 in a symmetrical manner, a second rotating rod 4126 rotationally connected between the two rotating sleeves 4125, and the two ends of the second rotating rod 4126 penetrating through the two fixed plates 4124 and fixedly connected to the two first rotating rod ends on the two cross arms 411.

[0036] Specifically, one second rotating rod 4126 can drive the four moving hinge seats 4114 to slide synchronously on the first sliding rails 4115, which simplifies the structure of the first driving mechanism 412 and improves the practicability of the position adjusting mechanism under the premise of ensuring stable adjustment of the height of the cross arm 411.

[0037] Reference Figure 2 And Figure 3 The first driving mechanism 412 further comprises two supporting blocks 4127 fixedly connected to the bottom of the two fixed plates 4124 in a symmetrical manner, and the bottom of the two supporting blocks 4127 is slidingly connected to the top of the bottom plate 2 through two second sliding rails 4128 and two second sliding grooves.

[0038] Specifically, the two supporting blocks 4127 can improve the support stability of the second rotating rod 4126, and further improve the stability and reliability of the position adjusting mechanism during adjustment of the position of the rear wheels of the vehicle.

[0039] With reference to Figure 4 and Figure 6 The transverse position adjusting unit 43 comprises two vertical plates 431 symmetrically and fixedly connected to the top of the support plate 42, a pushing piece 432 slidingly connected between the two vertical plates 431, and a second driving mechanism 433 connected between the two vertical plates 431, wherein the pushing piece 432 is connected to the second driving mechanism 433, and the second driving mechanism 433 is configured to drive the pushing piece 432 to move along the width direction of the vehicle;

[0040] The second driving mechanism 433 comprises a second motor 4331 fixedly connected to the top of the support plate 42, a second threaded rod 4332 fixedly connected to the output end of the second motor 4331, a second threaded sleeve threadedly sleeved on the outer threaded surface of the second threaded rod 4332, and a horizontal plate 4333 fixedly connected to the top of the second threaded sleeve. The second driving mechanism 433 further comprises two through grooves 4334 symmetrically formed on the side surfaces of the two vertical plates 431, and the front and rear ends of the horizontal plate 4333 are symmetrically and slidingly connected to the two through grooves 4334. The front and rear ends of the horizontal plate 4333 respectively penetrate through the two through grooves 4334 and are symmetrically and fixedly connected to two straight plates 4335, and the pushing piece 432 is fixedly connected between the two straight plates 4335.

[0041] The pushing piece 432 comprises a pushing plate 4321 fixedly connected between the two straight plates 4335, two reinforcing plates 4322 fixedly connected to the side surface of the pushing plate 4321 close to the edge of the support plate 42 from top to bottom, and a contact plate 4323 fixedly connected to the side surface of the pushing plate 4321 close to the middle position of the support plate 42. The two reinforcing plates 4322 can improve the support force of the pushing plate 4321, ensure that the pushing plate 4321 will not be deformed when pushing the rear wheels of the vehicle, ensure the reliable performance of the rear wheel position adjustment work, and prolong the service life of the pushing plate 4321.

[0042] The contact plate 4323 is made of a non-metallic contact block, and is preferably made of resin or nylon, which can avoid damaging the wheels when pushing the wheels, and improve the safety of the rear wheel position adjusting mechanism.

[0043] Specifically, the second driving mechanism 433 drives the two pushing pieces 432 to move towards each other, which can smoothly and reliably push the two rear wheels of the vehicle to the middle position of the battery replacement channel, thereby reliably and accurately completing the adjustment of the position of the rear wheels of the vehicle, and ensuring the smooth performance of the subsequent battery replacement operation.

[0044] With reference to Figures 2-6Two pairs of limit switches 5 are symmetrically connected to the two pairs of vertical plates 431, and the pushers 432 can be in contact with the limit switches 5 to turn off the second driving mechanism 433.

[0045] Specifically, the low liquid level sensor 6 can send a warning message when water enters the bottom of the battery replacement channel, so that the staff can promptly perform the water pumping work, and the high liquid level sensor 7 can cut off the power supply when there is a large amount of water in the bottom of the battery replacement channel, so as to protect the electrical elements of the adjusting mechanism, avoid the adjusting mechanism from being damaged by water in heavy rain, and further improve the safety of the adjusting mechanism.

[0046] Working principle: drive the vehicle into the battery replacement channel, and then make the two rear wheels of the vehicle respectively located on the top of the two groups of positioning rollers 44, and the two front wheels of the vehicle are located in the V-shaped groove.

[0047] Then, the first motor 4121 drives the second rotating rod 4126 to move left and right through the first threaded rod 4122, and the second rotating rod 4126 drives the mobile hinged seat 4114 to move left and right along the first sliding rail 4115 in cooperation with the supporting block 4127, the second sliding rail 4128 and the two first rotating rods, so as to adjust the height of the supporting plate 42, and further adjust the height of the rear wheels of the vehicle to ensure that the battery pack of the vehicle is parallel to the supporting plate 42.

[0048] Then, the second motor 4331 drives the two pushers 4321 to move towards each other through the second threaded rod 4332, so that the two contact plates 4323 are tightly abutted on the side surfaces of the two rear wheels of the vehicle, and then the vehicle is moved to the middle position of the battery replacement channel in cooperation with the V-shaped groove, so as to complete the automatic adjustment of the parking position and posture of the vehicle, and then the battery replacement operation is performed.

[0049] Finally, it should be noted that: the above is only the preferred embodiment of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A vehicle rear wheel position adjustment mechanism comprising a support frame (1) installed at the bottom of a battery replacement passage, characterized in that: The bottom and top of the support frame (1) are fixedly connected with a bottom plate (2) and a top plate (3) respectively, a through cavity (31) is formed in the top of the top plate (3), and two rear wheel position adjusting assemblies (4) are symmetrically connected to the top of the bottom plate (2); The rear wheel position adjusting assembly (4) is used for adjusting the positions of the two rear wheels of the vehicle to adjust the parking position and posture of the vehicle, and comprises a height adjusting unit (41) connected to the top of the bottom plate (2), a support plate (42) connected to the top of the height adjusting unit (41), a transverse position adjusting unit (43) provided on the support plate (42) and used for adjusting the positions of the rear wheels of the vehicle along the width direction of the vehicle, and two groups of positioning rollers (44) symmetrically and rotatably connected to the top of the support plate (42), wherein each group of the positioning rollers (44) is equidistantly distributed along the width direction of the vehicle.

2. A vehicle rear wheel position adjustment mechanism according to claim 1, characterized by: The height adjusting unit (41) comprises two cross arms (411) symmetrically connected to the top of the bottom plate (2), and a first driving mechanism (412) connected to the two cross arms (411), wherein the first driving mechanism (412) is used for adjusting the height of the cross arms (411).

3. A vehicle rear wheel position adjustment mechanism according to claim 2, characterized in that: The cross arm (411) comprises a first support arm (4111), a second support arm (4112) rotatably connected to the first support arm (4111) through a first rotating rod, and the first support arm (4111) and the second support arm (4112) are cross-distributed, one end of the first support arm (4111) and the second support arm (4112) close to the edge of the vehicle is fixedly hinged to the bottom of the top plate (3) and the top of the bottom plate (2) through two fixed hinge seats (4113) respectively, and one end of the first support arm (4111) and the second support arm (4112) close to the middle position of the vehicle is hingedly connected with a moving hinge seat (4114), and the two moving hinge seats (4114) are slidingly connected to the bottom of the top plate (3) and the top of the bottom plate (2) through two first sliding rails (4115) and two sliding grooves respectively.

4. A vehicle rear wheel position adjustment mechanism according to claim 3, characterized in that: The first driving mechanism (412) comprises a first motor (4121) fixedly connected to the top of the bottom plate (2), a first threaded rod (4122) fixedly connected to the output end of the first motor (4121), a first threaded sleeve threadedly sleeved on the outer threaded surface of the first threaded rod (4122), a first connecting plate (4123) fixedly connected to the top of the first threaded sleeve, two fixed plates (4124) fixedly connected to the top of the first connecting plate (4123) symmetrically, two rotating sleeves (4125) fixedly connected to the top of the two fixed plates (4124) symmetrically, a second rotating rod (4126) rotatably connected between the two rotating sleeves (4125), and the two ends of the second rotating rod (4126) penetrating through the two fixed plates (4124) and fixedly connected with the two first rotating rod ends of the two cross arms (411).

5. A vehicle rear wheel position adjustment mechanism according to claim 4, characterized in that: The first driving mechanism (412) further comprises two supporting blocks (4127) fixedly connected at the bottom of the two fixed plates (4124), and the bottom of the two supporting blocks (4127) is slidably connected to the top of the bottom plate (2) through two second sliding rails (4128) and two second sliding grooves.

6. A vehicle rear wheel position adjustment mechanism according to claim 5, characterized in that: The lateral position adjusting unit (43) comprises two vertical plates (431) fixedly connected at the top of the supporting plate (42) in a front-rear symmetry mode, a pushing piece (432) slidably connected between the two vertical plates (431), and a second driving mechanism (433) connected between the two vertical plates (431), wherein the pushing piece (432) is connected to the second driving mechanism (433), and the second driving mechanism (433) is used to drive the pushing piece (432) to move along the width direction of the vehicle.

7. A vehicle rear wheel position adjustment mechanism according to claim 6, characterized in that: Further comprising two pairs of limit switches (5) symmetrically connected to the two pairs of vertical plates (431), wherein the pushing piece (432) can be in contact with the limit switches (5) to turn off the second driving mechanism (433), the top of the movable hinged seat (4114) on the lower side is fixedly connected with a low liquid level sensor (6), and the top of the fixed hinged seat (4113) on the lower side is fixedly connected with a high liquid level sensor (7).

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