CN219523728U - Level changing table for automobile - Google Patents

Abstract

The utility model discloses an automobile power conversion platform, which belongs to the technical field of automobile power conversion and comprises a lifting mechanism, a lifting arm and a rotating platform, wherein the lifting arm is connected to the lifting mechanism, and the lifting mechanism drives the lifting arm to move up and down; the lifting mechanisms are at least four and are mutually symmetrical relative to the rotating platform; the lifting mechanism is arranged close to the peripheral surface of the rotating platform, and the lifting arm is arranged on one side of the lifting mechanism close to the rotating center of the rotating platform. The utility model can reduce the arm distance of the lifting arm as much as possible, reduce the moment and ensure the stable lifting of the automobile in the process of replacing and lifting the automobile.

Description

Level changing table for automobile

Technical Field

The utility model relates to the technical field of automobile power conversion, in particular to an automobile power conversion platform.

Background

With technological progress and social development, various types of new energy vehicles such as electric-only vehicles are increasingly used. If the experience of powering up the vehicle battery were to be achieved beyond that of conventional vehicle fueling, battery power-up time would be an important indicator. Replacement of batteries is one way to achieve rapid power up, and a power-exchange station is a facility for battery replacement.

When a new energy automobile is powered up, a vehicle is usually required to be lifted and then a battery pack is detached, and a lifting mechanism is a device for lifting the vehicle, which is commonly used in a power exchange station in the prior art, for example, chinese patent publication No. CN110077368A discloses a modularized power exchange station, wherein four lifting platforms for lifting the vehicle are arranged around a mobile station of the vehicle, and lifting arms of the lifting platforms can lift the vehicle to a higher height from the ground. When lifting a vehicle, the lifting arm of the lifting platform needs to extend out and bear the vehicle body. After the vehicle is powered off, the lifting arm of the lifting platform is retracted after the vehicle falls to the ground so that the vehicle can conveniently drive away from the power-off platform. The lifting arms of the lifting platform are generally of a telescopic construction due to space constraints of the power exchange station. The pressure exerted on the lifting arms of such telescopic structures is greater due to the greater weight of the vehicle itself. The distance of the arm of force can be increased along with the extension of the telescopic arm, so that larger moment can be generated, and the stability of lifting of the automobile is not facilitated.

Disclosure of Invention

1. Technical problem to be solved by the utility model

Aiming at the problem that the pressure on the lifting arm of the telescopic structure is large because of the large weight of the vehicle in the prior art. The utility model provides an automobile power conversion platform, which can reduce the distance of the arm of force of a lifting arm as much as possible, reduce the moment and ensure the stable lifting of an automobile in the process of automobile power conversion and lifting.

2. Technical proposal

In order to achieve the above purpose, the utility model provides an automobile power conversion platform, which comprises a lifting mechanism, a lifting arm and a rotating platform, wherein the lifting arm is connected to the lifting mechanism, and the lifting mechanism drives the lifting arm to move up and down; the lifting mechanisms are at least four and are mutually symmetrical relative to the rotating platform; the lifting mechanism is arranged close to the peripheral surface of the rotating platform, and the lifting arm is arranged on one side of the lifting mechanism close to the rotating center of the rotating platform.

Further, the bottom of the lifting mechanism is also provided with a movable base, and the moving track direction of the base faces the rotating center direction of the rotating platform.

Further, the lifting arms are biased at one side of the lifting mechanism along the direction of the vehicle entering the rotating platform, and two lifting arms positioned at the same side of the vehicle are mutually close to each other relative to the respective lifting mechanism, so that a symmetrical arrangement pattern is formed.

Furthermore, an avoidance groove is formed in the position, corresponding to the base movement track, of the peripheral edge of the rotary platform.

Further, the rotating platform is provided with a wheel positioning device for positioning the automobile in a parking way; a drive mechanism is also provided for driving the rotary platform to rotate about its centre of rotation.

Further, the lifting arm is a two-stage telescopic arm and comprises a base arm, an extension arm and a telescopic device, the base arm is provided with a groove body for accommodating the telescopic device along the length direction of the base arm, one end of the telescopic device is hinged with the base arm in the groove body, the other end of the telescopic device is hinged with a connecting piece, and the extension arm is fixedly connected with the connecting piece.

Further, the base arm comprises a bottom plate and side plates which are arranged on two sides of the bottom plate along the length direction of the bottom plate, and the bottom plate and the side plates form the groove body.

Further, a sliding groove is formed in the outer side face of the side plate along the length direction of the side plate, a plurality of pulleys are arranged in the sliding groove, and fastening bolts are arranged at the axial positions of the pulleys; the extension arm is fixedly connected with the pulley through a fastening bolt.

Further, the telescopic device is an electric push rod, a hydraulic rod or a pneumatic rod.

Further, the lifting arm further comprises a driving device for driving the telescopic device to move in a telescopic mode, and the driving device is correspondingly arranged as a motor, a hydraulic pump or a compressor.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

(1) According to the automobile power conversion platform, the lifting arms can be driven to move up and down through the lifting mechanism to lift the automobile for power conversion, at least four lifting mechanisms are arranged and are symmetrically arranged about the rotation center of the rotary platform, and the lifting stability of the lifting mechanism on the automobile can be improved. The lifting mechanism is arranged close to the peripheral surface of the rotary platform, so that the arm distance of the lifting arm can be reduced as much as possible, and the moment is reduced. The lifting arm is arranged on one side of the lifting mechanism, which is close to the rotating platform, so that the distance from the lifting arm to the rotating platform can be reduced, and the arm of force distance of the lifting arm can be further reduced. On the other hand, the automobile can be given enough running and parking space, so that the automobile can conveniently run into the rotary platform from the outside of the rotary platform to park.

(2) According to the automobile level-changing platform, the movable base is arranged at the bottom of the lifting mechanism, and the moving track direction of the base faces the rotating center direction of the rotating platform, so that the automobile level-changing platform can approach the rotating platform to a certain extent through the base, the stroke of the lifting arm is further shortened, the length of the force arm is further reduced, the moment is reduced, and the stability of lifting the automobile is improved. The lifting arm is arranged on one side surface of the lifting mechanism in an offset mode, the side surface is parallel to the moving track of the base, and is not the side surface of the lifting mechanism in the advancing direction, and therefore the lifting arm can be further close to the center of the rotating platform, and the stroke of the lifting arm can be further shortened. The avoidance groove of the rotary platform can provide enough travelling space for the base to move towards the rotary platform, and structural interference between the rotary platform and the travelling path of the base can be avoided. The wheel positioning device can facilitate the parking and positioning of the automobile, so that the automobile is parked at a position where the electricity is convenient to replace. The driving mechanism can drive the rotary platform to rotate around the rotation center of the rotary platform, so that the parking direction of the automobile can be conveniently adjusted, and the automobile can conveniently enter or exit the rotary platform.

(3) According to the automobile power conversion platform, the lifting arm is the secondary telescopic arm, and the structural characteristics of the secondary telescopic arm can bear larger load and buffer certain load. The lifting arm is provided with the telescopic device in the groove body of the base arm, one end of the telescopic device is hinged with the base arm, the other end of the telescopic device is hinged with the extension arm through the connecting piece, and the extension arm can move on the base arm under the telescopic action of the telescopic device, so that the length of the whole lifting arm is changed. And because the extension arm is articulated with the base arm through the two ends of the telescopic device, namely the joint of the extension arm and the base arm is of a movable structure, when the lifting arm bears a large-load object such as an automobile and lifts, the movable joint has a certain space for buffering load, and the joint of the extension arm and the base arm can be better prevented from being broken.

(4) According to the automobile power conversion platform, the base arms of the lifting arms form the groove bodies for accommodating the telescopic devices through the bottom plates and the side plates on the two sides, so that the size of parts can be reduced on the premise of ensuring the structural strength, and the space is reasonably utilized. The sliding groove is formed in the outer side face of the side plate along the length direction of the side plate, the pulleys are arranged in the sliding groove, the extension arm is connected with the pulleys through the fastening bolt, the moving resistance of the extension arm is reduced, and the smoothness and fluency of the extension arm moving on the base arm can be improved. Meanwhile, the plurality of pulleys also increase the connection point of the extension arm and the base arm, and further improve the bearing strength of the lifting arm. In addition, the telescopic device can be driven by electricity, hydraulic or pneumatic, and the telescopic arm can be controlled automatically.

Drawings

In the drawings, the dimensions and proportions are not representative of the dimensions and proportions of an actual product. The figures are merely illustrative and certain unnecessary elements or features have been omitted for clarity.

FIG. 1 is a schematic diagram of an automobile level shifter according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the structure of the lifting mechanism, telescoping arm and base of an embodiment of the present utility model;

FIG. 3 is a schematic view of a secondary telescopic arm according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a secondary telescoping arm of an embodiment of the present utility model with the extension arm removed;

fig. 5 is a schematic left-hand view of the secondary telescopic arm of fig. 4 in accordance with an embodiment of the present utility model.

Reference numerals in the schematic drawings illustrate:

1. a lifting mechanism; 2. a lifting arm; 201. a base arm; 2011. a bottom plate; 2012. a side plate; 202. an extension arm; 203. a telescoping device; 204. a driving device; 205. a connecting piece; 206. a chute; 207. a pulley; 208. a fastening bolt; 209. a tank body; 3. rotating the platform; 301. an avoidance groove; 302. a wheel alignment device; 4. and (5) a base.

Detailed Description

For a further understanding of the present utility model, the present utility model will be described in detail with reference to the drawings and examples. What has been described herein is merely a preferred embodiment according to the present utility model, and other ways of implementing the utility model will occur to those skilled in the art on the basis of the preferred embodiment, and are within the scope of the utility model.

In the description of the present utility model, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," second, "" third, "" fourth, "" fifth, "and sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Examples

Referring to fig. 1, the embodiment provides an automobile power conversion platform, which comprises a lifting mechanism 1, a lifting arm 2 and a rotating platform 3, wherein the lifting arm 2 is connected with the lifting mechanism 1 through a connecting plate, and the lifting mechanism 1 can drive the lifting arm 2 to move up and down. When the automobile needs to be subjected to power conversion, the automobile enters the power conversion station and then is parked on the rotary platform 3, after the automobile is parked to a designated position through the wheel positioning device 302 on the rotary platform 3, the rotary platform 3 rotates around the rotation center of the rotary platform under the drive of the driving mechanism, the parking direction of the automobile is adjusted to a position suitable for power conversion, and the electric automobile can always go out and go in a forward gesture, so that the requirement for controlling the automobile by a driver is greatly reduced for common automobile types which do not automatically drive or park, and the driving safety near the power conversion station is guaranteed. When the power is replaced, the lifting arm 2 can be firstly adjusted to a proper position at the automobile chassis, the lifting mechanism 1 is started to enable the lifting arm 2 to ascend so as to lift the automobile, after the power is replaced, the lifting mechanism 1 can control the lifting arm 2 to descend until the automobile is parked on the rotary platform 3, then the lifting arm 2 returns to the proper position to be separated from the automobile chassis, the rotary platform 3 rotates to adjust the direction of the head of the automobile to the proper position, and the automobile can conveniently leave the power replacing station.

In this embodiment, in order to further improve the stability of the automobile in the lifting process, referring to fig. 1, at least four lifting mechanisms 1 are arranged and symmetrically arranged about the rotation center of the rotation platform 3, so that at least four supporting points can be ensured to support the automobile, and the stability of the automobile in lifting can be ensured. In addition, the most preferable scheme is to arrange four lifting mechanisms 1, so that the stability of the automobile is ensured, and meanwhile, enough space is reserved for ensuring the in-out of the automobile. The lifting mechanism 1 is arranged close to the peripheral surface of the rotary platform 3 and outside the rotary platform 3, and is also provided with enough space for the rotary platform 3 to facilitate parking of automobiles. In addition, in order to further secure a sufficient running space for the automobile and to facilitate the running into the rotary table 3 from the outside of the rotary table 3 for parking, referring to fig. 1, the lifting arm 2 of the secondary telescopic arm is disposed on the side of the lifting mechanism 1 near the rotation center of the rotary table 3.

In this embodiment, as a further improvement, referring to fig. 1 and 2, the bottom of the lifting mechanism 1 is further provided with a movable base 4, and the movement track direction of the base 4 and the rotation center direction toward the rotation platform 3. The base 4 moves to drive the lifting mechanism 1 and the lifting arm 2 to move towards the direction of the rotating platform 3, and the lifting arm 2 is close to the rotating platform 3, so that the telescopic stroke of the lifting arm 2 is shortened, the length of a force arm is further reduced, the moment generated by the gravity of the automobile is reduced, and the stability of lifting the automobile is improved. The lifting arm 2 is arranged at one side of the lifting mechanism 1 in an offset manner, the side is parallel to the moving track of the base 4, and is not the side in the advancing direction of the lifting mechanism 1, so that the lifting arm 2 can be further close to the center of the rotating platform 3, and the stroke of the lifting arm 2 can be further shortened. The lifting arm 2 is arranged horizontally and perpendicular to the direction of the vehicle entering the rotating platform. The lifting arms 2 are biased to one side of the lifting mechanism 1 along the direction of the vehicle entering the rotating platform, and the two lifting arms 2 positioned on the same side of the vehicle are mutually close to each other relative to the respective lifting mechanism 1, so that a symmetrical arrangement pattern is formed.

The avoiding groove 301 is provided at the position corresponding to the movement track of the base 4 along the circumference of the rotary platform 3, so that enough travel space can be provided for the base 4 to move toward the rotary platform 3, the extension length of the lifting arm 2 can be reduced as much as possible, and structural interference between the rotary platform 3 and the travel path of the base 4 can be avoided.

In addition, in order to prevent the damage to the secondary telescopic arm of the load-bearing automobile caused by the heavy dead weight of the automobile, especially, the connection part of the extension arm and the fixed arm of the traditional secondary telescopic arm is mostly a rigid connection or locking structure, and the structure is easy to damage or even break when bearing a heavy load. In order to reduce or avoid the risk of breakage at such a connection, with reference to fig. 3, 4 and 5, the secondary telescopic arm in this embodiment is structurally modified, and the primary structure of the secondary telescopic arm is a lifting arm 2, and the lifting arm 2 mainly includes a base arm 201, an extension arm 202 and a telescopic device 203, and the extension arm 202 can move on the base arm 201 under the telescopic action of the telescopic device 203, so as to change the length of the entire lifting arm 2. The base arm 201 is provided with a groove 209 for accommodating the telescopic device 203 along the length direction thereof, one end of the telescopic device 203 is hinged with the base arm 201 in the groove 209, the other end is hinged with the connecting piece 205, and the extension arm 202 is fixedly connected with the connecting piece 205. From the above structure, it can be seen that the extension arm 202 and the base arm 201 are hinged through two ends of the telescopic device 203, that is, the connection between the extension arm 202 and the base arm 201 is a movable structure, when the lifting arm 2 bears a heavy load object such as an automobile and lifts, the movable connection has a certain space for buffering load, so that the connection between the extension arm 202 and the base arm 201 can be better prevented from being broken. It should be noted that, referring to fig. 5, the base arm 201 includes a bottom plate 2011 and side plates 2012 disposed on two sides of the bottom plate 2011 along a length direction of the bottom plate 2011, and the bottom plate 2011 and the side plates 2012 form a groove 209, so that a volume of the component can be reduced under the premise of ensuring structural strength, and a space can be reasonably utilized.

In this embodiment, as a further improvement, referring to fig. 3, 4 and 5, the outer side surface of the side plate 2012 is provided with a chute 206 along the length direction thereof, a plurality of pulleys 207 are provided in the chute 206, the pulleys 207 are provided with fastening bolts 208 at axial positions thereof, the extension arm 202 is fixedly connected with the pulleys 207 through the fastening bolts 208, the extension arm 202 is connected with the pulleys 207 through the fastening bolts 208, the movement resistance of the extension arm 202 is reduced, and the smoothness and fluency of the movement of the extension arm 202 on the base arm 201 can be increased. At the same time, the plurality of pulleys 207 also increases the connection point of the extension arm 202 and the base arm 201, further improving the bearing strength of the lifting arm 2. In this embodiment, two pulleys 207 are disposed in each of the sliding grooves 206 on both sides, and the number of pulleys 207 may be determined according to the actual length of the extension arm 202 in practical design, and is not limited to two.

In addition, in order to realize automatic control of the telescopic function of the lifting arm 2, the telescopic device 203 in this embodiment may use an electric push rod, a hydraulic rod or a pneumatic rod, and a corresponding driving device 204 may be disposed on the lifting arm 2 according to a component type selected by the telescopic device 203, for driving the telescopic device 203 to perform telescopic motion, where the driving device 204 is correspondingly disposed as a motor, a hydraulic pump or a compressor.

The utility model and its embodiments have been described above by way of illustration and not limitation, and the utility model is illustrated in the accompanying drawings and described in the drawings in which the actual structure is not limited thereto. Therefore, if one of ordinary skill in the art is informed by this disclosure, the structural mode and the embodiments similar to the technical scheme are not creatively designed without departing from the gist of the present utility model.

Claims (10)

1. The automobile power conversion platform comprises a lifting mechanism (1), a lifting arm (2) and a rotating platform (3), wherein the lifting arm (2) is connected to the lifting mechanism (1), and the lifting mechanism (1) drives the lifting arm (2) to move up and down; the device is characterized in that the lifting mechanism (1) is at least provided with four and is symmetrical to each other about the rotary platform (3); the lifting mechanism (1) is arranged close to the peripheral surface of the rotary platform (3), and the lifting arm (2) is arranged on one side of the lifting mechanism (1) close to the rotary center of the rotary platform (3).

2. The automobile power conversion platform according to claim 1, wherein a movable base (4) is further arranged at the bottom of the lifting mechanism (1), and the moving track direction of the base (4) faces the rotating center direction of the rotating platform (3).

3. An automotive battery exchange platform according to claim 2, characterized in that the lifting arms (2) are offset to one side of the lifting mechanism (1) in the direction of the vehicle entering the rotating platform (3), and the two lifting arms (2) on the same side of the vehicle are mutually close to each other relative to the respective lifting mechanism (1) to form a symmetrical arrangement.

4. The automobile power conversion platform according to claim 1, wherein an avoidance groove (301) is formed in the peripheral edge of the rotary platform (3) at a position corresponding to the movement track of the base (4).

5. A vehicle power conversion platform according to claim 1, characterized in that the rotating platform (3) is provided with wheel alignment means (302) for parking and positioning the vehicle; a driving mechanism is also provided for driving the rotary platform (3) to rotate around the rotation center thereof.

6. The automobile power conversion platform according to claim 1, wherein the lifting arm (2) is a secondary telescopic arm and comprises a base arm (201), an extension arm (202) and a telescopic device (203), the base arm (201) is provided with a groove body (209) for accommodating the telescopic device (203) along the length direction of the base arm, one end of the telescopic device (203) is hinged with the base arm (201) in the groove body (209), the other end of the telescopic device is hinged with a connecting piece (205), and the extension arm (202) is fixedly connected with the connecting piece (205).

7. The vehicle power conversion platform according to claim 6, wherein the base arm (201) includes a bottom plate (2011) and side plates (2012) disposed on both sides of the bottom plate (2011) along a length direction of the bottom plate (2011), and the bottom plate (2011) and the side plates (2012) form the tank body (209).

8. The automobile power conversion platform according to claim 7, wherein the outer side surface of the side plate (2012) is provided with a sliding groove (206) along the length direction thereof, a plurality of pulleys (207) are arranged in the sliding groove (206), and the pulleys (207) are provided with fastening bolts (208) at the axial positions thereof; the extension arm (202) is fixedly connected with the pulley (207) through a fastening bolt (208).

9. The vehicle battery exchange platform according to claim 6, wherein the telescopic device (203) is an electric push rod, a hydraulic rod or a pneumatic rod.

10. An automotive power conversion platform according to claim 9, characterized in that the lifting arm (2) further comprises a driving device (204) for driving the telescopic device (203) to move in a telescopic manner, the driving device (204) being correspondingly arranged as a motor, a hydraulic pump or a compressor.