Method of assembling a bottom assembly

Abstract

The application discloses an assembling method of a bottom assembly, the bottom assembly comprising a guiding mechanism, two positioning mechanisms and two supporting mechanisms. The guiding mechanism is used for guiding the movement of a battery replacing device of a battery replacing station, and the guiding mechanism has a first end, a second end, a third end and a fourth end. The assembling method of the bottom assembly comprises the following steps: assembling the guiding mechanism; installing the positioning mechanisms at the first end and the second end respectively; and installing the supporting mechanisms at the third end and the fourth end respectively. In the application, the mechanisms can be assembled simultaneously, and then the assembled mechanisms are assembled together, so that the assembling efficiency of the bottom assembly is improved; the bottom assembly is modularized, the mechanisms can be separately manufactured, assembled and transported, so that the production difficulty and cost of the bottom assembly are reduced; and when a part is damaged, only the damaged part needs to be replaced, and the whole bottom disc does not need to be replaced, so that the cost is effectively reduced.

Description

Technical Field

[0001] This invention relates to the field of battery swapping station technology, and in particular to a method for assembling a bottom component. Background Technology

[0002] Battery swapping stations are used to replace batteries in electric vehicles. After an electric vehicle drives into the station and is reliably located, the battery swapping equipment replaces the battery. Specifically, the battery swapping trolley removes the battery to be replaced from the electric vehicle and places it on a palletizer, which then transports the battery to be replaced to a charging rack. The palletizer then removes the fully charged battery from the charging rack, and the battery swapping trolley transports the new battery to the designated location and installs it into the electric vehicle.

[0003] In existing battery swapping stations, the bottom frame is installed as a single unit, resulting in low installation efficiency and difficulty in disassembly. If any part malfunctions or is damaged, the entire bottom frame must be replaced, which is extremely inconvenient and detrimental to cost control. Application CN110001601A discloses a positioning and lifting system for a battery swapping platform, the battery swapping platform itself, and a charging / swapping station. The positioning and lifting system, serving as the bottom structure of the battery swapping station, has a single, integral frame. During installation, each component must be installed individually onto this frame, making installation inconvenient and inefficient. Furthermore, if the integral frame is damaged, the entire positioning and lifting system must be replaced, resulting in time-consuming and costly repairs. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to overcome the above-mentioned defects in the prior art and provide a method for assembling a bottom component.

[0005] The present invention solves the above-mentioned technical problems through the following technical solution:

[0006] A method for assembling a bottom component, the bottom component being used to construct a battery swapping station, the bottom component comprising:

[0007] A guiding mechanism for guiding the movement of the battery swapping equipment in a battery swapping station, the guiding mechanism having a first end and a second end disposed opposite to each other in a first direction, and a third end and a fourth end disposed opposite to each other in a second direction different from the first direction;

[0008] Two positioning mechanisms are used for locating electric vehicles; and

[0009] Two support mechanisms are used to support the battery rack of the battery swapping station;

[0010] The assembly method of the bottom component includes the following steps:

[0011] Assemble the guide mechanism;

[0012] The positioning mechanism is installed at the first end and the second end respectively;

[0013] The support mechanism is installed at the third end and the fourth end respectively.

[0014] In this solution, the bottom component is divided into a guiding mechanism, two positioning mechanisms, and two supporting mechanisms. Each mechanism can be assembled simultaneously, and then the assembled mechanisms are put together, thereby improving the assembly efficiency of the bottom component. At the same time, the bottom component is modularized, and each mechanism can be manufactured, assembled, and transported separately, thereby reducing the production difficulty of the bottom component. When a component is damaged, only the damaged component needs to be replaced, without replacing the entire chassis, thus effectively reducing costs.

[0015] Preferably, the guiding mechanism includes a first positioning part disposed at the first end and / or the second end, and the positioning mechanism includes a second positioning part that cooperates with the first positioning part;

[0016] The step of installing the positioning mechanism at the first end and the second end respectively includes: engaging the second positioning part with the first positioning part and detachably connecting them.

[0017] In this solution, a first positioning part is set on the guide mechanism and a second positioning part is set on the positioning mechanism. During assembly, the first and second positioning parts are used for alignment and fixation, which can achieve rapid positioning, improve assembly efficiency, control assembly accuracy, and facilitate disassembly and replacement.

[0018] Preferably, one of the first positioning part and the second positioning part has a first guide block, and the other has a first positioning groove that cooperates with the first guide block;

[0019] The method of cooperating and fixing the second positioning part with the first positioning part also includes the step of: guiding the first guide block into the first positioning groove.

[0020] In this solution, the first guide block is introduced into the first positioning groove to achieve rapid alignment of the first positioning part and the second positioning part, thereby reliably and quickly assembling the guiding mechanism and the positioning mechanism.

[0021] Preferably, the guiding mechanism further includes a first connecting portion disposed at the first end and / or the second end, and the positioning mechanism further includes a second connecting portion corresponding to the first connecting portion;

[0022] The step of installing the positioning mechanism at the first end and the second end respectively further includes the step of detachably connecting and fixing the first connecting part and the second connecting part.

[0023] In this design, the guiding mechanism and positioning mechanism are further secured by the first connecting part and the second connecting part during assembly, thereby improving their stability.

[0024] Preferably, the positioning mechanism includes a lifting platform, a first positioning mechanism located on the lifting platform, and a lifting mechanism located below the lifting platform. The first positioning mechanism is used to position the electric vehicle, and the lifting mechanism is used to lift the electric vehicle.

[0025] Before installing the positioning mechanism at the first end and the second end respectively, the method further includes the following steps:

[0026] The lifting mechanism is installed below the lifting platform;

[0027] The first positioning mechanism is installed above the lifting platform.

[0028] In this solution, the positioning mechanism is divided into a lifting platform, a first positioning mechanism, and a lifting mechanism. These three components can be assembled simultaneously, further improving assembly efficiency.

[0029] Preferably, the guiding mechanism includes a third positioning part disposed at the third end and / or the fourth end, and the supporting mechanism includes a fourth positioning part that cooperates with the third positioning part;

[0030] The installation of the support mechanism at the third end and the fourth end respectively includes: engaging and detachably connecting the fourth positioning part and the third positioning part.

[0031] In this design, a third and a fourth positioning part are set up for alignment and fixation, which improves the assembly efficiency and assembly accuracy of the guiding mechanism and the support mechanism.

[0032] Preferably, one of the third positioning part and the fourth positioning part has a second guide block, and the other has a second positioning groove;

[0033] The process of cooperating and connecting the fourth positioning part and the third positioning part also includes the step of: guiding the second guide block into the second positioning groove.

[0034] In this scheme, the second guide block and the second positioning groove are used for alignment to achieve rapid positioning of the guiding mechanism and the support mechanism.

[0035] Preferably, assembling the guide mechanism includes the following steps:

[0036] Two supporting members are provided;

[0037] At least one guide rail surface is machined on each of the two support members, and the guide rail surface is used to guide the movement of the power swapping equipment;

[0038] A connecting bracket is provided to connect the support member, such that the support member is parallel and located on the same horizontal plane.

[0039] In this solution, the assembly method of the guiding mechanism is simple. By directly machining the guide rail surface on the support structure, the accuracy of the two guide rail surfaces is ensured, thereby guaranteeing the stability of the guiding mechanism so that the power swapping equipment can move smoothly on it.

[0040] Preferably, the connecting bracket includes multiple crossbeams, each crossbeam being of equal length and having two parallel or coplanar end faces;

[0041] The step of connecting the support members through the connecting bracket includes: fixing the two end faces of the crossbeam to the two support members respectively.

[0042] In this scheme, several transverse beams of equal length are used to connect the supporting components to ensure the parallelism of the supporting components, so as to ensure the reliability of the power swapping equipment when it moves on them.

[0043] Preferably, the supporting member includes strip steel and channel steel, and the bottom surface of the strip steel and the top surface of the channel steel are fixedly connected;

[0044] The step of machining at least one guide rail surface on each of the two supporting members includes the steps of: fixing the two strip steels and the two channel steels respectively; and machining at least one guide rail surface on each of the two strip steels.

[0045] The step of connecting the support member through the connecting bracket includes: connecting and fixing the connecting bracket to the channel steel.

[0046] In this design, bar steel and channel steel are used to make the supporting components. Channel steel has high strength to meet the support strength requirements, while bar steel facilitates the processing of the guide rail surface.

[0047] Preferably, the step of machining at least one guide rail surface on each of the two support members includes the step of machining a guide rail surface on at least one of the top surface, inner surface and outer surface of the two support members.

[0048] In this solution, the track position can be flexibly set to adapt to different models of battery swapping stations, thus improving the versatility of the bottom components.

[0049] Preferably, after connecting the support members via the connecting bracket, the method further includes the step of: laying a panel above the connecting bracket between the two support members and filling the space under the panel with foam.

[0050] In this solution, the panel and foam filler are used for further sealing to prevent water from entering and to prevent insects and rodents from entering the battery swapping station.

[0051] A method for assembling a bottom component, the bottom component further comprising at least one extension mechanism, the extension mechanism being disposed at the first end and / or the second end of the guide mechanism, located between the guide mechanism and the positioning mechanism;

[0052] The assembly method includes the following steps:

[0053] One end of the extension mechanism is detachably connected to the first end and / or the second end of the guide mechanism;

[0054] The positioning mechanism is detachably connected to the other end of the extension mechanism.

[0055] This solution can be adapted to various vehicle models by adding or removing expansion mechanisms.

[0056] Based on common knowledge in the field, the above-mentioned preferred conditions can be combined arbitrarily to obtain various preferred embodiments of the present invention.

[0057] The positive and progressive effects of this invention are as follows:

[0058] In this invention, the bottom component is divided into a guiding mechanism, two positioning mechanisms, and two supporting mechanisms. Each mechanism can be assembled simultaneously, and then the assembled mechanisms are put together, thereby improving the assembly efficiency of the bottom component. At the same time, the bottom component is modularized, and each mechanism can be manufactured, assembled, and transported separately, thereby reducing the production difficulty of the bottom component. When a component is damaged, only the damaged component needs to be replaced, without replacing the entire chassis, thereby effectively reducing costs. Attached Figure Description

[0059] Figure 1 This is a flowchart of an assembly method for a bottom component according to an embodiment of the present invention;

[0060] Figure 2 This is a schematic diagram of the structure of the bottom component according to an embodiment of the present invention;

[0061] Figure 3 This is a partial exploded view of the bottom component according to an embodiment of the present invention;

[0062] Figure 4 for Figure 3 Enlarged view of part A;

[0063] Figure 5 This is a partial structural exploded view of the bottom component according to an embodiment of the present invention;

[0064] Figure 6 This is a partial structural exploded view of the bottom component according to an embodiment of the present invention;

[0065] Figure 7This is a schematic diagram of the guide mechanism according to an embodiment of the present invention, in which part of the panel is hidden;

[0066] Figure 8 This is a cross-sectional view of a support member according to an embodiment of the present invention.

[0067] Explanation of reference numerals in the attached figures:

[0068] Guiding mechanism 1

[0069] First end 11

[0070] Second end 12

[0071] Third end 13

[0072] Fourth end 14

[0073] First Positioning Section 15

[0074] First guide block 151

[0075] First connecting part 16

[0076] Third Positioning Section 17

[0077] Second guide block 171

[0078] Supporting component 18

[0079] Guide rail surface 181

[0080] 182 bar steel

[0081] 183 Channel Steel

[0082] Connecting bracket 19

[0083] 191 crossbeam

[0084] Panel 110

[0085] Positioning mechanism 2

[0086] Second positioning unit 21

[0087] First positioning slot 211

[0088] Second connecting part 22

[0089] Lifting Platform 23

[0090] Supporting structure 3

[0091] Fourth Positioning Unit 31

[0092] Second positioning groove 311

[0093] Extended mechanism 4 Detailed Implementation

[0094] The present invention will be further illustrated by way of embodiments below, but the present invention is not limited to the scope of the embodiments described below.

[0095] Please see Figure 1-8 This invention provides a method for assembling a bottom component, which is disposed at the bottom of a battery swapping station. The bottom component is used to construct the battery swapping station, i.e., to support devices such as charging racks and / or battery swapping trolleys and / or vehicle platforms.

[0096] The bottom assembly includes a guide mechanism 1, two positioning mechanisms 2, and two support mechanisms 3. The guide mechanism 1 guides the movement of the battery swapping equipment in the battery swapping station. The guide mechanism 1 has a first end 11 and a second end 12 disposed opposite each other in a first direction, and a third end 13 and a fourth end 14 disposed opposite each other in a second direction different from the first direction, wherein the second direction is perpendicular to the first direction. The two positioning mechanisms 2 are used to position the electric vehicle, and are detachably mounted on the guide mechanism 1. The two support mechanisms 3 support the battery rack of the battery swapping station, and are detachably mounted on the guide mechanism 1.

[0097] The assembly method for the bottom component includes the following steps:

[0098] Assemble the guide mechanism 1, and the assembled guide mechanism 1 forms the first end 11, the second end 12, the third end 13 and the fourth end 14 as described above;

[0099] Positioning mechanisms 2 are installed at the first end 11 and the second end 12 respectively, that is, one positioning mechanism 2 is installed at each of the first end 11 and the second end 12.

[0100] Support mechanisms 3 are installed at the third end 13 and the fourth end 14 respectively, that is, each of the third end 13 and the fourth end 14 corresponds to a support mechanism 3.

[0101] In this embodiment, on the one hand, the bottom component is divided into a guiding mechanism 1, two positioning mechanisms 2 and two supporting mechanisms 3. Each mechanism can be assembled simultaneously, and then the assembled mechanisms are put together, thereby improving the assembly efficiency of the bottom component. On the other hand, the bottom component is modularized, and each mechanism can be manufactured, assembled and transported separately, thereby reducing the production difficulty and cost of the bottom component. Furthermore, when a component is damaged, only the damaged component needs to be replaced, without replacing the entire chassis, thereby effectively reducing costs.

[0102] In this embodiment of the invention, the guide mechanism 1 includes a first positioning part 15 disposed at the first end 11 and / or the second end 12, that is, either the first end 11 or the second end 12 has a first positioning part 15 or both are provided with a first positioning part 15, and the positioning mechanism 2 includes a second positioning part 21 that cooperates with the first positioning part 15.

[0103] The above-mentioned installation of positioning mechanism 2 at the first end 11 and the second end 12 includes the steps of: engaging the second positioning part 21 with the first positioning part 15 and detachably connecting them.

[0104] In this embodiment, a first positioning part 15 is provided on the guide mechanism 1 and a second positioning part 21 is provided on the positioning mechanism 2. During assembly, the first positioning part 15 and the second positioning part 21 are used for alignment and fixation, which can achieve rapid positioning, improve assembly efficiency, controllable assembly accuracy, and facilitate disassembly and replacement.

[0105] In this embodiment of the invention, one of the first positioning part 15 and the second positioning part 21 has a first guide block 151, and the other has a first positioning groove 211 that cooperates with the first guide block 151.

[0106] The above-described method of engaging and fixing the second positioning part 21 with the first positioning part 15 further includes the step of: guiding the first guide block 151 into the first positioning groove 211. In this embodiment, guiding the first guide block 151 into the first positioning groove 211 enables the rapid alignment of the first positioning part 15 and the second positioning part 21, thereby reliably and quickly assembling the guide mechanism 1 and the positioning mechanism 2.

[0107] In a preferred embodiment, the guide mechanism 1 further includes a first connecting portion 16 disposed at the first end 11 and / or the second end 12, that is, either the first end 11 or the second end 12 is provided with the first connecting portion 16 or both are provided with the first connecting portion 16; the positioning mechanism 2 further includes a second connecting portion 22 corresponding to the first connecting portion 16. The first connecting portion 16 and the second connecting portion 22 can be implemented by plates. Admittedly, holes for fastener connection can be provided on these plates.

[0108] In this design, the first positioning part 15 and the second positioning part 21 primarily function as a connection between the positioning mechanism 2 and the guiding mechanism 1. To facilitate rapid alignment during connection, the first guide block 151 and the first positioning groove 211 are provided for positioning. When alignment accuracy is not required or cost-effectiveness is desired, the first positioning part 15 and the second positioning part 21 can be connectors with only a connecting function; that is, they can also adopt the same structure as the first connecting part 16 and the second connecting part 22. Similarly, in some cases, guide blocks and positioning grooves can be provided on the first connecting part 16 and the second connecting part 22 respectively for more precise alignment and fixation.

[0109] The above-mentioned installation of positioning mechanism 2 at the first end 11 and the second end 12 also includes the step of detachably connecting and fixing the first connecting part 16 and the second connecting part 22.

[0110] In this embodiment, when assembling the guide mechanism 1 and the positioning mechanism 2, they are further fixed by the first connecting part 16 and the second connecting part 22, thereby improving the stability of the guide mechanism 1 and the positioning mechanism 2.

[0111] In this embodiment of the invention, the positioning mechanism 2 includes a lifting platform 23, a first positioning mechanism located on the lifting platform 23, and a lifting mechanism located below the lifting platform 23. The first positioning mechanism is used to position the electric vehicle, and the lifting mechanism is used to lift the electric vehicle.

[0112] Before the positioning mechanism 2 is installed at the first end 11 and the second end 12 respectively, the following steps are also included:

[0113] Install a lifting mechanism below the lifting platform 23;

[0114] The first positioning mechanism is installed above the lifting platform 23.

[0115] In this embodiment, the positioning mechanism 2 is divided into a lifting platform 23, a first positioning mechanism, and a lifting mechanism. These three components can be assembled simultaneously, which further improves assembly efficiency.

[0116] In this embodiment of the invention, the guide mechanism 1 includes a third positioning part 17 disposed at the third end 13 and / or the fourth end 14, that is, either the third end 13 or the fourth end 14 has a third positioning part 17 or both are provided with a third positioning part 17, and the support mechanism 3 includes a fourth positioning part 31 that cooperates with the third positioning part 17.

[0117] The aforementioned installation of support mechanisms 3 at the third end 13 and the fourth end 14 includes: engaging and detachably connecting the fourth positioning part 31 and the third positioning part 17.

[0118] In this embodiment, a third positioning part 17 and a fourth positioning part 31 are provided for alignment and fixation, which improves the assembly efficiency and assembly accuracy of the guide mechanism 1 and the support mechanism 3.

[0119] In this embodiment of the invention, one of the third positioning part 17 and the fourth positioning part 31 has a second guide block 171, and the other has a second positioning groove 311.

[0120] The above-mentioned process of cooperating and connecting the fourth positioning part 31 and the third positioning part 17 also includes the step of: guiding the second guide block 171 into the second positioning groove 311.

[0121] In this embodiment, the second guide block 171 and the second positioning groove 311 are aligned to achieve rapid positioning of the guide mechanism 1 and the support mechanism 3.

[0122] In this design, the third positioning part 17 and the fourth positioning part 31 mainly realize the connection function between the support mechanism 3 and the guide mechanism 1. In order to quickly align during connection, the second guide block 171 and the second positioning groove 311 are set to perform the positioning function. When alignment accuracy is not required or cost is saved, the third positioning part 17 and the fourth positioning part 31 can be connectors that only have the connection function.

[0123] In this embodiment of the invention, assembling the guide mechanism 1 includes the following steps:

[0124] Two support members 18 are provided;

[0125] At least one guide rail surface 181 is machined on each of the two support members 18. The guide rail surface 181 is used to guide the movement of the power swapping equipment.

[0126] A connecting bracket 19 is provided to connect the support member 18, so that the support member 18 is parallel and located on the same horizontal plane.

[0127] In this embodiment, the assembly method of the guide mechanism 1 is simple. By directly machining the guide rail surface 181 on the support structure, the accuracy of the two guide rail surfaces 181 is ensured, thereby ensuring the stability of the guide mechanism 1 so that the power swapping equipment can move smoothly on it.

[0128] In this embodiment of the invention, the connecting bracket 19 includes a plurality of crossbeams 191, each crossbeam 191 being of equal length and having its two ends facing each other in parallel or coplanar directions.

[0129] The above-described method of connecting the support members 18 via the connecting bracket 19 includes the step of fixing the two end faces of the crossbeam 191 to the two support members 18 respectively. In this embodiment, several crossbeams of equal length are used to connect the support members 18 to ensure the parallelism of the support members 18, so as to improve the reliability of the power swapping equipment when it moves on it.

[0130] In this embodiment of the invention, the support member 18 includes a strip steel 182 and a channel steel 183, with the bottom surface of the strip steel 182 and the top surface of the channel steel 183 fixedly connected.

[0131] The above-mentioned process of machining at least one guide rail surface 181 on each of the two supporting members 18 includes the steps of: fixing two strip steels 182 to two channel steels 183 respectively; and machining at least one guide rail surface 181 on each of the two strip steels 182.

[0132] Connecting the support member 18 via the connecting bracket 19 includes the following steps:

[0133] Connect and fix the connecting bracket 19 to the channel steel 183.

[0134] In this embodiment, the support component 18 is made of strip steel 182 and channel steel 183. The channel steel 183 has high strength and can meet the support strength requirements, while the strip steel 182 facilitates the processing of the guide rail surface 181.

[0135] In this embodiment of the invention, machining at least one guide surface 181 on each of the two support members 18 includes the step of machining the guide surface 181 on at least one of the top surface, inner surface and outer surface of the two support members 18.

[0136] In this embodiment, the track position is flexibly set to adapt to different types of battery swapping stations, thus improving the versatility of the bottom components.

[0137] In this embodiment of the invention, after connecting the support members 18 via the connecting bracket 19, the method further includes the step of: laying a panel 110 above the connecting bracket 19 between the two support members 18, and filling the space under the panel 110 with foam. The panel 110 and the foam filler are used for further sealing to prevent water from entering and to prevent insects and rodents from entering the battery swapping station.

[0138] This invention provides a method for assembling a bottom component, wherein the bottom component further includes at least one extension mechanism 4, the extension mechanism 4 being disposed at the first end 11 and / or the second end 12 of the guide mechanism 1, that is, either the first end 11 or the second end 12 of the guide mechanism 1 is provided with the extension mechanism 4 or both are provided with the extension mechanism 4, and the extension mechanism 4 is located between the guide mechanism 1 and the positioning mechanism 2.

[0139] The above assembly method includes the following steps:

[0140] One end of the extension mechanism 4 is detachably connected to the first end 11 and / or the second end 12 of the guide mechanism 1;

[0141] The positioning mechanism 2 is detachably connected to the other end of the extension mechanism 4.

[0142] This embodiment can be adapted to various vehicle models by adding or removing expansion mechanisms.

[0143] While specific embodiments of the present invention have been described above, those skilled in the art should understand that these are merely illustrative examples, and the scope of protection of the present invention is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of the present invention, but all such changes and modifications fall within the scope of protection of the present invention.

Claims

1. A method for assembling a bottom component, said bottom component being used to construct a battery swapping station, characterized in that, The bottom component includes: A guiding mechanism for guiding the movement of the battery swapping equipment in a battery swapping station, the guiding mechanism having a first end and a second end disposed opposite to each other in a first direction, and a third end and a fourth end disposed opposite to each other in a second direction different from the first direction; Two positioning mechanisms are used for locating electric vehicles; and Two support mechanisms are used to support the battery rack of the battery swapping station; At least one extension mechanism is provided at the first end and / or the second end of the guide mechanism, located between the guide mechanism and the positioning mechanism; The assembly method of the bottom component includes the following steps: Assemble the guide mechanism; The positioning mechanism is installed at the first end and the second end respectively; The support mechanism is installed at the third end and the fourth end respectively; One end of the extension mechanism is detachably connected to the first end and / or the second end of the guide mechanism; The positioning mechanism is detachably connected to the other end of the extension mechanism.

2. The assembly method of the bottom component as described in claim 1, characterized in that, The guiding mechanism includes a first positioning part disposed at the first end and / or the second end, and the positioning mechanism includes a second positioning part that cooperates with the first positioning part; The step of installing the positioning mechanism at the first end and the second end respectively includes: engaging the second positioning part with the first positioning part and detachably connecting them.

3. The assembly method of the bottom component as described in claim 2, characterized in that, One of the first positioning part and the second positioning part has a first guide block, and the other has a first positioning groove that cooperates with the first guide block; The method of cooperating and fixing the second positioning part with the first positioning part also includes the step of: guiding the first guide block into the first positioning groove.

4. The assembly method of the bottom component as described in claim 2, characterized in that, The guiding mechanism further includes a first connecting portion disposed at the first end and / or the second end, and the positioning mechanism further includes a second connecting portion corresponding to the first connecting portion; The step of installing the positioning mechanism at the first end and the second end respectively further includes the step of detachably connecting and fixing the first connecting part and the second connecting part.

5. The assembly method of the bottom component as described in claim 4, characterized in that, The positioning mechanism includes a lifting platform, a first positioning mechanism located on the lifting platform, and a lifting mechanism located below the lifting platform. The first positioning mechanism is used to position the electric vehicle, and the lifting mechanism is used to lift the electric vehicle. Before installing the positioning mechanism at the first end and the second end respectively, the method further includes the following steps: The lifting mechanism is installed below the lifting platform; The first positioning mechanism is installed above the lifting platform.

6. The assembly method of the bottom component as described in claim 1, characterized in that, The guiding mechanism includes a third positioning part disposed at the third end and / or the fourth end, and the supporting mechanism includes a fourth positioning part that cooperates with the third positioning part; The installation of the support mechanism at the third end and the fourth end respectively includes: engaging and detachably connecting the fourth positioning part and the third positioning part.

7. The assembly method of the bottom component as described in claim 6, characterized in that, One of the third positioning part and the fourth positioning part has a second guide block, and the other has a second positioning groove; The process of cooperating and connecting the fourth positioning part and the third positioning part also includes the step of: guiding the second guide block into the second positioning groove.

8. The assembly method of the bottom component as described in claim 1, characterized in that, The assembly of the guide mechanism includes the following steps: Two supporting components are provided; At least one guide rail surface is machined on each of the two support members, and the guide rail surface is used to guide the movement of the power swapping equipment; A connecting bracket is provided to connect the support member, such that the support member is parallel and located on the same horizontal plane.

9. The assembly method of the bottom component as described in claim 8, characterized in that, The connecting bracket includes multiple crossbeams, each crossbeam being of equal length and having two parallel or coplanar end faces; The step of connecting the support members through the connecting bracket includes: fixing the two end faces of the crossbeam to the two support members respectively.

10. The assembly method of the bottom component as described in claim 8, characterized in that, The supporting member includes strip steel and channel steel, and the bottom surface of the strip steel and the top surface of the channel steel are fixedly connected. The step of machining at least one guide rail surface on each of the two supporting members includes the steps of: fixing the two strip steels and the two channel steels respectively; and machining at least one guide rail surface on each of the two strip steels. The step of connecting the support member through the connecting bracket includes: connecting and fixing the connecting bracket to the channel steel.

11. The assembly method of the bottom component as described in claim 8, characterized in that, The step of machining at least one guide rail surface on each of the two support members includes machining a guide rail surface on at least one of the top surface, inner surface, and outer surface of the two support members.

12. The assembly method of the bottom component as described in claim 10, characterized in that, After connecting the support members via the connecting bracket, the method further includes the step of: laying a panel above the connecting bracket between the two support members and filling the space under the panel with foam.

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