Battery changing device
阅读说明:本技术 换电装置 (Battery changing device ) 是由 张良均 岳留振 张洋 陈敬楠 贺莹 李志丹 刘可照 于 2018-09-07 设计创作,主要内容包括:本发明提供了一种换电装置。换电装置包括:升降机构;由所述升降机构支撑的底部平台;所述底部平台上的中间平台,所述中间平台与所述底部平台之间设置有多个轴承使得所述中间平台能够相对于所述底部平台平移;以及所述中间平台上的电池摆放平台,所述电池摆放平台能够相对于所述中间平台倾斜。根据本发明的实施例的换电装置结构简单,操作方便,适用性广。(The invention provides a battery replacing device. Trade electric device includes: a lifting mechanism; a bottom platform supported by the lift mechanism; a middle platform on the bottom platform, a plurality of bearings disposed between the middle platform and the bottom platform such that the middle platform is translatable relative to the bottom platform; and the battery placing platform is arranged on the middle platform and can incline relative to the middle platform. The battery replacing device provided by the embodiment of the invention has the advantages of simple structure, convenience in operation and wide applicability.)
1. A battery swapping device, comprising:
a lifting mechanism;
a bottom platform supported by the lift mechanism;
a middle platform on the bottom platform, a plurality of bearings disposed between the middle platform and the bottom platform such that the middle platform is translatable relative to the bottom platform; and
the battery placing platform is arranged on the middle platform and can incline relative to the middle platform.
2. The battery replacement device according to claim 1, wherein the middle platform is connected with the middle part of the battery placement platform through a joint bearing seat, and the middle platform is connected with the edge of the battery placement platform through at least one electric push rod.
3. The battery swapping device of claim 2, wherein a plurality of sets of guides are further disposed between the intermediate platform and the battery placement platform, the plurality of sets of guides comprising a plurality of guide pins disposed on one of the intermediate platform and the battery placement platform and a plurality of guide pin sleeves disposed on the other of the intermediate platform and the battery placement platform.
4. The battery swapping device of claim 2, wherein the intermediate platform and the battery placing platform have corresponding rectangular shapes, the intermediate platform and the battery placing platform are connected at their middle positions by radial spherical bearings, and a pair of adjacent edges of the intermediate platform and the battery placing platform are connected by an electric push rod.
5. The battery swapping device of claim 1, wherein a plurality of bull's eye bearings are disposed on the top surface of the bottom platform and/or the bottom surface of the middle platform.
6. The battery swapping device as claimed in claim 5, wherein a stop member for limiting the translational position of the intermediate platform is further disposed on the bottom platform and/or the intermediate platform, and a locking member for locking the translational position of the intermediate platform is further disposed on the bottom platform and/or the intermediate platform.
7. The battery swapping device of claim 1, wherein the lifting mechanism comprises a bottom bracket, a cross strut and a safety mechanism,
the safety mechanism includes:
the pawl is arranged on the bottom bracket of the lifting mechanism, and one end of the pawl is provided with a tension spring;
the rack is arranged at the bottom of the cross supporting rod of the lifting mechanism and provided with a plurality of notches for being matched with the safety pawl;
the pawl and the plurality of notches are shaped such that: when the rack moves along a first direction corresponding to the ascending of the lifting mechanism, the pawl can slide into an adjacent notch from one notch; and the pawl, when engaged with either notch, prevents movement of the rack in a second direction corresponding to lowering of the lift mechanism.
8. The battery swapping device of claim 7, wherein the safety mechanism further comprises an unlocking mechanism comprising an operating handle and a pull cord connected to the pawl, wherein rotating the operating handle pulls the pull cord such that the pawl disengages from the notch.
9. The battery swapping device of claim 7, wherein the bottom bracket is provided with two directional casters and two universal casters.
10. The battery swapping device of claim 9, wherein the bottom bracket is further provided with a plurality of auxiliary legs that can be switched between a ground-contacting position and a raised position.
11. The battery swapping device of claim 7, wherein the lifting mechanism is driven by a cylinder.
12. The battery swapping device of claim 11, wherein the cylinder inlet is provided with a first throttle valve and a second throttle valve, the first throttle valve is used for adjusting the lifting capacity of the lifting mechanism, and the second throttle valve is used for adjusting the descending speed of the lifting mechanism.
13. The battery replacement device according to claim 11, further comprising a pump station assembly for supplying oil to the oil cylinder and a hydraulic pressure lift controller for controlling the pump station assembly.
Technical Field
The invention relates to the field of battery replacement of electric automobiles, in particular to a battery replacement device for an electric automobile.
Background
With the technological progress and social development, various types of new energy vehicles such as pure electric vehicles are increasingly widely used. With respect to these new vehicles, techniques involving battery replacement and the like have become an increasing subject of attention and research in the art. For example, if the experience of vehicle battery power up were to be achieved over the experience of conventional vehicle refueling, battery power up time would be an important indicator. The battery replacement is a way to realize quick power-up, and before the battery technology does not make breakthrough progress and a safe and usable quick charging technology appears, the battery replacement is still a way to realize that the power-up time of the vehicle battery can be aligned to the standard or even surpass the refueling time of the traditional vehicle.
For some electric vehicles, their power batteries are mounted on the bottom of the electric vehicle. For this type of electric vehicle, the battery replacement operation generally includes: the vehicle is lifted, the bottom power battery is removed and a new power battery is mounted to the bottom of the vehicle. Such a power exchange operation is generally performed at a power exchange station, but in some cases, the battery needs to be replaced manually, so a special tool needs to be provided to perform the manual power exchange operation.
Disclosure of Invention
It is an object of the present invention to solve or at least alleviate problems in the prior art.
In one aspect, a battery swapping device is provided, which includes:
a lifting mechanism;
a bottom platform supported by the lift mechanism;
a middle platform on the bottom platform, a plurality of bearings disposed between the middle platform and the bottom platform such that the middle platform is translatable relative to the bottom platform; and
the battery placing platform is arranged on the middle platform and can incline relative to the middle platform.
Optionally, in the battery replacement device, the middle platform is connected to the middle of the battery placement platform through a joint bearing seat, and the middle platform is connected to the edge of the battery placement platform through at least one electric push rod.
Optionally, in the battery replacement device, a plurality of sets of guide members are further disposed between the middle platform and the battery placement platform, and each set of guide member includes a plurality of guide pins disposed on one of the middle platform and the battery placement platform and a plurality of guide pin sleeves disposed on the other of the middle platform and the battery placement platform.
Optionally, in the battery replacement device, the middle platform and the battery placement platform have corresponding rectangular shapes, the middle positions of the middle platform and the battery placement platform are connected through a radial spherical plain bearing, and a pair of adjacent edges of the middle platform and the battery placement platform are connected by an electric push rod.
Optionally, in the battery replacement device, a plurality of bull-eye bearings are disposed on the top surface of the bottom platform and/or the bottom surface of the middle platform.
Optionally, in the battery replacement device, a stop member for limiting a translational position of the intermediate platform is further disposed on the bottom platform and/or the intermediate platform, and a locking member for locking the translational position of the intermediate platform is further disposed on the bottom platform and/or the intermediate platform.
Optionally, in the power conversion device, the lifting mechanism comprises a bottom bracket, a cross strut and a safety mechanism,
the safety mechanism includes:
the pawl is arranged on the bottom bracket of the lifting mechanism, and one end of the pawl is provided with a tension spring;
the rack is arranged at the bottom of the cross supporting rod of the lifting mechanism and provided with a plurality of notches for being matched with the safety pawl;
the pawl and the plurality of notches are shaped such that: when the rack moves along a first direction corresponding to the ascending of the lifting mechanism, the pawl can slide into an adjacent notch from one notch; and the pawl, when engaged with either notch, prevents movement of the rack in a second direction corresponding to lowering of the lift mechanism.
Optionally, in the power converter, the safety mechanism further comprises an unlocking mechanism, the unlocking mechanism comprises an operating handle and a pull rope connected to the pawl, and the pawl is disengaged from the notch by pulling the pull rope through rotating the operating handle.
Optionally, in the battery replacement device, the bottom bracket is provided with two directional casters and two universal casters.
Optionally, in the power converter, the bottom bracket is further provided with a plurality of auxiliary legs, and the plurality of auxiliary legs can be switched between a ground contact position and a lifting position.
Alternatively, in the power conversion apparatus, the lift mechanism is driven by a cylinder.
Optionally, in the battery replacement device, an inlet of the cylinder is provided with a first throttle valve and a second throttle valve, the first throttle valve is used for adjusting the lifting capability of the lifting mechanism, and the second throttle valve is used for adjusting the lowering speed of the lifting mechanism.
Optionally, in the power exchanging device, the power exchanging device further includes a pump main station assembly for supplying oil to the oil cylinder, and a hydraulic pressure lifting controller for controlling the pump main station assembly.
The battery replacing device provided by the embodiment of the invention has the advantages of simple structure, convenience in operation and wide applicability.
Drawings
The disclosure of the present invention will become more readily understood with reference to the accompanying drawings. As is readily understood by those skilled in the art: these drawings are for illustrative purposes only and are not intended to constitute a limitation on the scope of the present invention. Moreover, in the drawings, like numerals are used to indicate like parts, and in which:
fig. 1 shows a perspective view of a swapping device according to an embodiment of the invention;
FIG. 2 illustrates an exploded view of a bottom platform and an intermediate platform of a swapping device according to an embodiment of the invention;
fig. 3 shows an exploded view of the intermediate platform and the battery placement platform of the battery swapping device according to an embodiment of the present invention;
fig. 4 is an exploded view showing a middle connection position of the middle platform of the battery replacing device and the battery placing platform according to the embodiment of the invention;
FIG. 5 shows a side view of a swapping device and a battery thereon according to an embodiment of the invention;
FIG. 6 shows an enlarged view of a safety mechanism of a power swapping device according to an embodiment of the invention;
FIG. 7 shows an enlarged view of an unlocking mechanism of a power swapping device according to an embodiment of the invention;
FIG. 8 shows an enlarged view of an auxiliary leg of the power swapping device according to an embodiment of the present invention; and
fig. 9 shows an enlarged view of a cylinder inlet of the swapping device according to an embodiment of the present invention.
Detailed Description
It is easily understood that according to the technical solution of the present invention, a person skilled in the art can propose various alternative structures and implementation ways without changing the spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are merely illustrative of the technical aspects of the present invention, and should not be construed as all of the present invention or as limitations or limitations on the technical aspects of the present invention.
The terms of orientation of up, down, left, right, front, back, top, bottom, and the like referred to or may be referred to in this specification are defined relative to the configuration shown in the drawings, and are relative terms, and thus may be changed correspondingly according to the position and the use state of the device. Therefore, these and other directional terms should not be construed as limiting terms.
Fig. 1 shows a battery replacement device, in particular a simple battery replacement device, for replacing a battery for a vehicle, in particular for a vehicle in which the battery is arranged on the bottom of the vehicle. The battery replacing device is flexible and is suitable for various special conditions. In some embodiments, the battery swapping device may substantially include: casters 311,312, the casters 311,312 being arranged below the
With continued reference to fig. 2 to 5, the detailed structure of the platform body 1 will be described in detail, which may include: a
More specifically, as shown in FIG. 2, a plurality of
With continued reference to fig. 3, the connection between the
Fig. 5 shows a practical application scenario of the battery swapping device according to the present invention. Since the bottom of the vehicle being lifted or suspended will not remain perfectly horizontal, the
With continued reference to fig. 6, an enlarged view of a safety mechanism according to an embodiment of the present invention is shown.
In some embodiments, the
In some embodiments, the
The battery replacing device for battery disassembly comprises the following steps:
1. and pushing the battery replacing device to a proper position at the bottom of the vehicle, aligning the battery replacing device with a vehicle battery pack preliminarily, locking each caster wheel and treading on the auxiliary support legs. Thanks to the auxiliary support legs, the battery replacing device can complete position locking more quickly and stably.
2. The lifting mechanism is controlled to control the switch, the lifting mechanism is driven to reach a proper height, and the safety mechanism automatically locks. Benefiting from the electric hydraulic lifting mechanism, the lifting is more convenient and labor-saving. Because the four-stage mechanical servo safety mechanism is automatically locked, the mechanical guarantee is more reliable, and the operation is safer.
3. And unlocking the intermediate platform locking piece to enable the intermediate platform to enter a free floating state.
4. And horizontally moving the middle platform to a proper position as required, so that the positioning pin of the battery placing platform is positioned in the corresponding positioning hole of the vehicle body, and the locking piece is locked. Because the middle platform can move horizontally, the positioning is faster.
5. And continuously operating the control switch of the lifting mechanism until the inclined platform is preliminarily attached to the bottom plane of the vehicle bottom battery pack, and automatically locking the safety mechanism again. The four-stage mechanical servo safety mechanism is benefited, automatic locking is realized, mechanical guarantee is more reliable, and operation is safer.
6. Observing the fit degree of the battery placing platform and the bottom plane of the battery pack, controlling a switch by an electric push rod operated, and adjusting the inclination of the inclined platform to ensure that the inclined platform is completely fit with the bottom plane of the battery pack at the bottom of the vehicle. Because the inclination of the battery placing platform can be adjusted, the battery placing platform is perfectly attached to the battery at the bottom of the vehicle, and the battery is convenient to install or disassemble.
7. The battery pack bolt can be conveniently detached by means of the bolt sleeve mechanism, so that the power battery pack can be detached.
8. And unlocking the mechanical safety mechanism, and lowering the battery pack and the dismounting mechanism to finish dismounting.
The battery pack installation process is similar to the removal process.
The foregoing description of the specific embodiments has been presented only to illustrate the principles of the invention more clearly, and in which various features are shown or described in detail to facilitate an understanding of the principles of the invention. Various modifications or changes to the invention will be readily apparent to those skilled in the art without departing from the scope of the invention. It is to be understood that such modifications and variations are intended to be included within the scope of the present invention.
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