Battery pack support for new energy vehicle

Abstract

The battery pack support for the new energy vehicle comprises a first battery mounting unit, and the first battery mounting unit comprises a first square frame, a second square frame and a third square frame which are sequentially arranged at intervals in the direction of a longitudinal beam; the first longitudinal supporting rod and the second longitudinal supporting rod are arranged in parallel; the third longitudinal supporting rod and the fourth longitudinal supporting rod are arranged in parallel; a first guard plate bracket; a first vertical rod, a second vertical rod, a third vertical rod and a fourth vertical rod; a plurality of rubber bushings or elastic connectors; the first connecting pieces are arranged on the left and right sides of the tops of the first square frame, the second square frame and the third square frame; the second connecting pieces are arranged at the bottoms of the left sides and the right sides of the first square frame, the second square frame and the third square frame. The first battery installation unit and the battery pack can be pre-installed in a factory and can be connected to the installation support on the longitudinal beam only through a rubber bushing or an elastic connecting piece on site, the length is adjustable, and light weight is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of automobile parts especially relates to a battery pack support for new energy vehicle. BACKGROUND

[0002] At present, domestic heavy truck commercial vehicle market is gradually electrified, and the vehicle models appearing on the market basically adopt the battery pack support structure shown in the figure Figure 7 The support structure includes end frames at both ends, L-shaped frames between the end frames, and a cuboid frame. The lower layer of batteries is accommodated and fixed in the cuboid frame, and the upper layer of batteries is fixed on the top of the cuboid frame. The end frames, L-shaped frames, and cuboid frame are rigidly welded between each other, and the components of the cuboid frame are also rigidly welded between each other. During the bumpy driving of the vehicle, the battery pack is easily subjected to a large impact. In addition, the on-site welding and installation of the support is time-consuming and laborious, the efficiency is low, and the support structure is complex.

[0003] In addition, Chinese patent ZL202421720085.6 discloses a battery pack support for new energy vehicle, referring to Figure 8 which includes a first battery mounting unit, the first battery mounting unit comprising:

[0004] a first suspension bracket 1 and a second suspension bracket arranged at intervals and horizontally mounted on the outside of the vehicle frame longitudinal beam 6;

[0005] a battery frame 3 for accommodating and fixing the first battery pack on the upper layer and the second battery pack on the lower layer;

[0006] a first side bracket and a second side bracket 2 arranged at the first end of the battery frame 3;

[0007] a third side bracket and a fourth side bracket arranged at the second end of the battery frame 3; and

[0008] wherein the first side bracket and the second side bracket 2 are connected to the first suspension bracket through rubber bushings or elastic connecting pieces 5 respectively; the third side bracket and the fourth side bracket are connected to the second suspension bracket through rubber bushings or elastic connecting pieces respectively.

[0009] However, this battery pack support is heavy, about 800 kg, and the first suspension bracket 1 and the second suspension bracket arranged at both ends limit the length of the battery pack, which cannot adapt to battery packs of different length specifications, and increases the wheelbase of the vehicle. How to improve the adaptability of different battery models, reduce the wheelbase of the vehicle, and realize the lightweight of the battery pack support is a problem that needs to be solved urgently.

[0010] Therefore, it is necessary to study a battery pack support for new energy vehicle to solve one or more of the above technical problems. UTILITY MODEL CONTENTS

[0011] To solve the above at least one technical problem, according to the utility model one aspect provides a kind of battery pack support for new energy vehicle, it is characterized by including first battery installation unit, the first battery installation unit is set between the two longitudinal beams of new energy vehicle and includes:

[0012] First square frame, second square frame and third square frame are sequentially arranged in longitudinal beam direction with interval;

[0013] First longitudinal support rod and second longitudinal support rod are arranged in parallel, and are connected between the bottom of the first square frame, the second square frame and the third square frame and the first square frame, the second square frame and the third square frame, and the first square frame, the second square frame and the third square frame are collectively defined first lower layer battery pack installation space;

[0014] Third longitudinal support rod and fourth longitudinal support rod are arranged in parallel, and are connected between the top of the first square frame, the second square frame and the third square frame;

[0015] First guard plate support is arranged above third longitudinal support rod and fourth longitudinal support rod in parallel;

[0016] First vertical rod, second vertical rod, third vertical rod and fourth vertical rod are respectively connected to the two ends of first longitudinal support rod and third longitudinal support rod, and the two ends of second longitudinal support rod and fourth longitudinal support rod, and four end portions of first guard plate support;The first guard plate support, third longitudinal support rod and fourth longitudinal support rod, and first vertical rod, second vertical rod, third vertical rod and fourth vertical rod collectively define first upper layer battery pack installation space;

[0017] A plurality of rubber bushings or elastic connectors are respectively arranged at the two top corners of the upper portions of the first square frame, the second square frame and the third square frame, and the first square frame, the second square frame and the third square frame are respectively connected to the two longitudinal beams through the plurality of rubber bushings or elastic connectors and the plurality of mounting supports;

[0018] First connecting piece is arranged on the left and right sides of the top of the first square frame, the second square frame and the third square frame;And

[0019] Second connecting piece is arranged on the left and right sides of the bottom of the first square frame, the second square frame and the third square frame;

[0020] Wherein, the first connecting piece and the second connecting piece can be used to connect the second battery installation unit.

[0021] According to the utility model still another aspect, the length of the first longitudinal support rod and the second longitudinal support rod can be adjusted to adapt to battery pack of different lengths, and the length of the third longitudinal support rod and the fourth longitudinal support rod can be adjusted to adapt to battery pack of different lengths.

[0022] According to another aspect of the utility model, the first battery mounting unit and the battery pack accommodated in the first battery mounting unit are prefabricated in a factory and integrally hoisted or lifted from bottom to top on site to be assembled and connected to the plurality of mounting supports arranged on the longitudinal beams.

[0023] According to another aspect of the utility model, the first guard plate support includes a square frame and longitudinal beams, cross beams and / or diagonal beams arranged in the square frame.

[0024] According to another aspect of the utility model, the first longitudinal support rod and the second longitudinal support rod are L-shaped and supported on the upper surfaces of the bottom beams of the first square frame, the second square frame and the third square frame, the third longitudinal support rod and the fourth longitudinal support rod are L-shaped and supported on the upper surfaces of the top beams of the first square frame, the second square frame and the third square frame, and the upper surfaces of the bottom beams and the top beams are further provided with support pads at intervals.

[0025] According to another aspect of the utility model, the battery pack support for new energy vehicles further includes a second battery mounting unit, which is arranged on the outer sides of the two longitudinal beams of the new energy vehicle and includes:

[0026] A fourth square frame, a fifth square frame and a sixth square frame are arranged in sequence and at intervals along the longitudinal beam direction;

[0027] A fifth longitudinal support rod and a sixth longitudinal support rod are arranged in parallel and connected between the bottoms of the fourth square frame, the fifth square frame and the sixth square frame, and together define a second lower battery pack mounting space with the fourth square frame, the fifth square frame and the sixth square frame;

[0028] A seventh longitudinal support rod and an eighth longitudinal support rod are arranged in parallel and connected between the tops of the fourth square frame, the fifth square frame and the sixth square frame;

[0029] A second guard plate support is arranged in parallel above the seventh longitudinal support rod and the eighth longitudinal support rod;

[0030] A fifth vertical rod, a sixth vertical rod and a seventh vertical rod are respectively connected to the side surfaces of the fifth longitudinal support rod and the seventh longitudinal support rod and the first side surface of the second guard plate support;

[0031] An eighth vertical rod, a ninth vertical rod and a tenth vertical rod are respectively connected to the top surfaces of the fourth square frame, the fifth square frame and the sixth square frame and the second side surface of the second guard plate support; the second guard plate support, the third longitudinal support rod and the fourth longitudinal support rod, and the fifth to tenth vertical rods together define a second upper battery pack mounting space;

[0032] A third connecting piece is arranged on the side of the top of the fourth square frame, the fifth square frame and the sixth square frame close to the longitudinal beam; and

[0033] A fourth connecting piece is arranged on the side of the bottom of the fourth square frame, the fifth square frame and the sixth square frame close to the longitudinal beam;

[0034] The third connecting piece and the first connecting piece are connected, and the fourth connecting piece and the second connecting piece are connected, so as to connect the second battery mounting unit to the first battery mounting unit.

[0035] According to another aspect of the utility model, the lengths of the fifth to eighth longitudinal support rods are adjustable to adapt to battery packs of different lengths.

[0036] According to another aspect of the utility model, the second battery mounting unit and the battery pack accommodated in the second battery mounting unit are prefabricated and molded in a factory and are integrally hoisted and connected to the left and right sides of the first battery mounting unit on site.

[0037] According to another aspect of the utility model, the second guard plate support includes a square frame and longitudinal beams, transverse beams and / or diagonal beams arranged in the square frame.

[0038] According to another aspect of the utility model, the fifth longitudinal support rod and the sixth longitudinal support rod are L-shaped and are supported on the upper surfaces of the bottom beams of the fourth square frame, the fifth square frame and the sixth square frame, the seventh longitudinal support rod and the eighth longitudinal support rod are L-shaped and are supported on the upper surfaces of the top beams of the fourth square frame, the fifth square frame and the sixth square frame, and the upper surfaces of the bottom beams and the top beams of the fourth square frame, the fifth square frame and the sixth square frame are further provided with support pads at intervals; the second battery mounting unit is further provided with a hoisting hole and is further provided with a battery pack protection plate on the outside, and the first guard plate support and the second guard plate support can be omitted according to customer requirements.

[0039] According to another aspect of the utility model, the second square frame of the first battery mounting unit and the fifth square frame, the sixth vertical rod and the ninth vertical rod of the second battery mounting unit are omitted.

[0040] The utility model can obtain one or more of the following technical effects:

[0041] 1. The rubber bushing or elastic connecting piece can buffer and / or absorb the impact force brought by the vehicle bumping to the battery pack, improving the safety.

[0042] 2. The first battery mounting unit and the battery pack can be preassembled in a factory, and only the whole needs to be hoisted on site, and the installation support connected to the longitudinal beam through the rubber bushing or elastic connecting piece, so that the installation is simple and efficient.

[0043] 3. The second battery mounting unit and the battery pack can be pre-installed in the factory. On site, it is only necessary to connect the entire battery mounting unit to the first battery mounting unit. The battery pack bracket for new energy vehicles is simpler than the existing technical structure. Compared with the weight of about 800kg in Chinese patent ZL202421720085.6, it can be reduced to about 400kg, achieving lightweight.

[0044] 4. The overall weight is lighter, and the space occupied in the length direction of the vehicle is smaller, which can shorten the vehicle wheelbase. The bracket installation position and the length of the longitudinal support rod can be adjusted to adapt to battery packs of different models and lengths. BRIEF DESCRIPTION OF THE DRAWINGS

[0045] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0046] Figure 1 It is a three-dimensional diagram of a battery pack bracket for new energy vehicles according to a preferred embodiment of the present utility model.

[0047] Figure 2 The figure is an overall schematic diagram of a battery pack bracket and a battery pack for a new energy vehicle according to a preferred embodiment of the present utility model.

[0048] Figure 3 This is a schematic diagram of a first battery mounting unit of a battery pack bracket for new energy vehicles according to a preferred embodiment of the present utility model.

[0049] Figure 4 for Figure 3 Schematic diagram of the entire first battery installation unit (for on-site lifting) with a battery pack installed.

[0050] Figure 5 This is a schematic diagram of a second battery mounting unit of a battery pack bracket for new energy vehicles according to a preferred embodiment of the present utility model.

[0051] Figure 6 This is another stereoscopic view of a battery pack bracket for new energy vehicles according to a preferred embodiment of the present utility model (the longitudinal beam, cross beam and other related components are hidden).

[0052] Figure 7 This is a schematic diagram of the first battery pack bracket structure in the prior art.

[0053] Figure 8 This is a schematic diagram of the second battery pack bracket structure in the prior art. DETAILED DESCRIPTION

[0054] The preferred embodiments of the utility model are described below by preferred embodiments in combination with the drawings, and the specific embodiments are used to illustrate the utility model in detail, and should not be understood as limiting the utility model, and various modifications and modifications can be made without departing from the spirit and essential range of the utility model, and these should be included in the protection range of the utility model.

[0055] Embodiment 1

[0056] According to a preferred embodiment of the utility model, referring to Figures 1-6 , a battery pack support for new energy vehicles is provided, characterized by comprising a first battery mounting unit 10, the first battery mounting unit is arranged between two longitudinal beams 30 of a new energy vehicle, referring to Figures 3-4 , and comprising:

[0057] The first square frame 101, the second square frame 101 and the third square frame 101 are arranged in sequence and are spaced apart along the longitudinal beam direction;

[0058] The first longitudinal support rod 102 and the second longitudinal support rod 102 are arranged in parallel, are connected between the bottoms of the first square frame, the second square frame and the third square frame and jointly define a first lower-layer battery pack mounting space with the first square frame, the second square frame and the third square frame;

[0059] The third longitudinal support rod 102 and the fourth longitudinal support rod 102 are arranged in parallel and are connected between the tops of the first square frame, the second square frame and the third square frame;

[0060] The first guard plate support 104 is arranged in parallel above the third longitudinal support rod and the fourth longitudinal support rod;

[0061] The first vertical rod 103, the second vertical rod 103, the third vertical rod 103 and the fourth vertical rod 103 are respectively connected to the two ends of the first longitudinal support rod and the third longitudinal support rod, the two ends of the second longitudinal support rod and the fourth longitudinal support rod and the four end portions of the first guard plate support;The first guard plate support, the third longitudinal support rod and the fourth longitudinal support rod and the first vertical rod, the second vertical rod, the third vertical rod and the fourth vertical rod jointly define a first upper-layer battery pack mounting space;

[0062] A plurality of rubber bushings or elastic connecting pieces 105 are arranged at two top corners of the upper portions of the first square frame, the second square frame and the third square frame, and the first square frame, the second square frame and the third square frame are respectively connected to the two longitudinal beams through the plurality of rubber bushings or elastic connecting pieces 105 and a plurality of mounting supports 40;

[0063] The first connecting piece 106 is arranged at the top of the first square frame, the second square frame and the third square frame and left and right sides thereof.

[0064] The second connecting piece is arranged at the bottom of the left and right sides of the first square frame, the second square frame and the third square frame.

[0065] The first connecting piece and the second connecting piece can be used to connect the second battery mounting unit.

[0066] Preferably, the first connecting piece 106 and the second connecting piece are, for example, threaded holes or bolts. The connecting holes (threaded holes) of the square frame castings are not limited to the forms shown in the drawings, and the connecting direction of the threaded holes and bolts can be adjusted, or alternative connecting methods can be used. Figure 3

[0067] According to another preferred embodiment of the present application, the lengths of the first longitudinal support rod and the second longitudinal support rod are adjustable to adapt to battery packs of different lengths, and the lengths of the third longitudinal support rod and the fourth longitudinal support rod are adjustable to adapt to battery packs of different lengths.

[0068] According to another preferred embodiment of the present application, the first battery mounting unit and the battery pack accommodated therein are prefabricated and molded in a factory and integrally hoisted or lifted from bottom to top on site to be assembled and connected to the plurality of mounting brackets arranged on the longitudinal beams.

[0069] According to another preferred embodiment of the present application, the first guard plate bracket comprises a square frame and longitudinal beams, cross beams and / or diagonal beams arranged in the square frame.

[0070] According to another preferred embodiment of the present application, the first longitudinal support rod and the second longitudinal support rod are L-shaped and supported on the upper surfaces of the bottom beams of the first square frame, the second square frame and the third square frame, and the third longitudinal support rod and the fourth longitudinal support rod are L-shaped and supported on the upper surfaces of the top beams of the first square frame, the second square frame and the third square frame, and the upper surfaces of the bottom beams and the top beams are further provided with support pads at intervals. Advantageously, the support pads are used to fixedly connect and assist in supporting the bottom of the battery pack.

[0071] According to another preferred embodiment of the present application, the battery pack bracket for new energy vehicles further comprises a second battery mounting unit 20, which is arranged outside the two longitudinal beams of the new energy vehicle and comprises:

[0072] A fourth square frame 201, a fifth square frame 201 and a sixth square frame 201 are arranged in sequence and at intervals along the longitudinal beam direction.

[0073] ​a fifth longitudinal support rod 202 and a sixth longitudinal support rod 202 arranged in parallel, connected between the bottom of the fourth square frame, the fifth square frame and the sixth square frame and defining a second lower battery pack mounting space together with the fourth square frame, the fifth square frame and the sixth square frame;

[0074] a seventh longitudinal support rod 202 and an eighth longitudinal support rod 202 arranged in parallel, connected between the top of the fourth square frame, the fifth square frame and the sixth square frame;

[0075] a second guard bracket 205 arranged above the seventh longitudinal support rod and the eighth longitudinal support rod in parallel;

[0076] a fifth vertical rod 203, a sixth vertical rod 203 and a seventh vertical rod 203 connected to the side of the fifth longitudinal support rod and the seventh longitudinal support rod and the first side of the second guard bracket 205 (the outer side in Figure 5 );

[0077] an eighth vertical rod 204, a ninth vertical rod 204 and a tenth vertical rod 204 connected to the top of the fourth square frame, the fifth square frame and the sixth square frame and the second side of the second guard bracket; the second guard bracket 205, the third longitudinal support rod and the fourth longitudinal support rod, and the fifth to tenth vertical rods together define a second upper battery pack mounting space;

[0078] a third connecting piece 207 arranged on the side close to the longitudinal beam of the top of the fourth square frame, the fifth square frame and the sixth square frame; and

[0079] a fourth connecting piece 207 arranged on the side close to the longitudinal beam of the bottom of the fourth square frame, the fifth square frame and the sixth square frame;

[0080] wherein the third connecting piece and the first connecting piece are connected and the fourth connecting piece and the second connecting piece are connected for connecting the second battery mounting unit to the first battery mounting unit.

[0081] Preferably, the third connecting piece and the fourth connecting piece 207 are, for example, threaded holes or bolts, and the third connecting piece and the first connecting piece are butted and can be fixed by screws / bolts.

[0082] According to another preferred embodiment of the present application, the length of the fifth to eighth longitudinal support rods is adjustable to adapt to battery packs of different lengths. Preferably, referring to Figure 5 , the two ends of the fifth to eighth longitudinal support rods are free of obstructions / shields.

[0083] According to the second preferred embodiment of the utility model, the second battery mounting unit and the battery pack accommodated in the second battery mounting unit are prefabricated in a factory and integrally hoisted and connected to the left and right sides of the first battery mounting unit on site.

[0084] According to the second preferred embodiment of the utility model, the second guard plate support comprises a square frame and longitudinal beams, transverse beams and / or diagonal beams arranged in the square frame.

[0085] According to the second preferred embodiment of the utility model, the fifth longitudinal support rod and the sixth longitudinal support rod are L-shaped and supported on the upper surfaces of the bottom beams of the fourth square frame, the fifth square frame and the sixth square frame, the seventh longitudinal support rod and the eighth longitudinal support rod are L-shaped and supported on the upper surfaces of the top beams of the fourth square frame, the fifth square frame and the sixth square frame, and the upper surfaces of the bottom beams and the top beams of the fourth square frame, the fifth square frame and the sixth square frame are further provided with support pads (as shown in the figure). Figure 5 Preferably, the second battery mounting unit is further provided with a hoisting hole 206 and is further provided with a battery pack protection plate on the outside. Preferably, the first guard plate support and the second guard plate support can be omitted according to customer needs and are installed by the customer later.

[0086] According to the second preferred embodiment of the utility model, the second square frame of the first battery mounting unit and the fifth square frame, the sixth vertical rod and the ninth vertical rod of the second battery mounting unit are omitted. That is, when a small-capacity battery pack is selected, the length is much shorter, and two square frames are used to form a set of supports. Preferably, the number of square frames can be adjusted according to the length of the battery pack, for example, two, three or more.

[0087] The utility model can obtain one or more of the following technical effects:

[0088] 1. The rubber bushing or elastic connecting piece can buffer and / or absorb the impact force brought by the vehicle bumping to the battery pack, improving the safety.

[0089] 2. The first battery mounting unit and the battery pack can be pre-installed in a factory, and only the whole needs to be hoisted on site, connected to the mounting support on the longitudinal beam through the rubber bushing or elastic connecting piece, simple to install and high in efficiency.

[0090] 3. The second battery mounting unit and the battery pack can be pre-installed in a factory, and only the whole needs to be hoisted and connected to the first battery mounting unit on site. Compared with the prior art structure, the battery pack support for new energy vehicles is simpler, and compared with the weight of about 800 kg in Chinese patent ZL202421720085.6, it can be reduced to about 400 kg, realizing light weight.

[0091] 4、The overall weight is lighter, the space in the length direction of the vehicle is smaller, the wheelbase of the vehicle can be shortened, and the battery pack of different models and different lengths can be adapted by adjusting the mounting position of the support and the length of the longitudinal support rod.

[0092] Those skilled in the art should understand that the utility model is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principles of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A battery pack support for a new energy vehicle, characterized by The first battery mounting unit is arranged between two longitudinal beams of a new energy vehicle and comprises: a first square frame, a second square frame and a third square frame arranged in sequence and spaced apart along the longitudinal beam direction; a first longitudinal support rod and a second longitudinal support rod arranged in parallel and connected between the bottom portions of the first square frame, the second square frame and the third square frame and defining a first lower-layer battery pack mounting space together with the first square frame, the second square frame and the third square frame; a third longitudinal support rod and a fourth longitudinal support rod arranged in parallel and connected between the top portions of the first square frame, the second square frame and the third square frame; a first guard plate support arranged above the third longitudinal support rod and the fourth longitudinal support rod in parallel; a first vertical rod, a second vertical rod, a third vertical rod and a fourth vertical rod connected to the two ends of the first longitudinal support rod and the third longitudinal support rod, the two ends of the second longitudinal support rod and the fourth longitudinal support rod, and the four end portions of the first guard plate support respectively; the first guard plate support, the third longitudinal support rod and the fourth longitudinal support rod, and the first vertical rod, the second vertical rod, the third vertical rod and the fourth vertical rod together define a first upper-layer battery pack mounting space; a plurality of rubber bushings or elastic connectors arranged at the two top corners of the upper portions of the first square frame, the second square frame and the third square frame, and the first square frame, the second square frame and the third square frame are connected to the two longitudinal beams through the plurality of rubber bushings or elastic connectors and a plurality of mounting supports respectively; a first connector arranged on the left and right sides of the top portions of the first square frame, the second square frame and the third square frame; and a second connector arranged on the left and right sides of the bottom portions of the first square frame, the second square frame and the third square frame; The first connector and the second connector can be used to connect a second battery mounting unit.

2. The battery pack support for new energy vehicles according to claim 1, characterized in that The lengths of the first longitudinal support rod and the second longitudinal support rod can be adjusted to adapt to battery packs of different lengths, and the lengths of the third longitudinal support rod and the fourth longitudinal support rod can be adjusted to adapt to battery packs of different lengths.

3. The battery pack support for new energy vehicles according to claim 1 or 2, characterized in that The first battery mounting unit and the battery pack contained therein are prefabricated and molded in the factory and are integrally hoisted or lifted from bottom to top on site and connected to the mounting supports arranged on the longitudinal beams.

4. The battery pack support for new energy vehicles according to claim 3, characterized in that The first guard plate support comprises a square frame and longitudinal beams, transverse beams and / or diagonal beams arranged in the square frame.

5. The battery pack support for new energy vehicles according to claim 4, characterized in that The first longitudinal support rod and the second longitudinal support rod are L-shaped and supported on the upper surfaces of the bottom beams of the first square frame, the second square frame and the third square frame, and the third longitudinal support rod and the fourth longitudinal support rod are L-shaped and supported on the upper surfaces of the top beams of the first square frame, the second square frame and the third square frame, and the upper surfaces of the bottom beams and the top beams are further provided with support pads in a spaced apart manner.

6. The battery pack support for a new energy vehicle according to claim 1 or 2, characterized in that The second battery mounting unit is arranged outside the two longitudinal beams of the new energy vehicle and comprises: a fourth square frame, a fifth square frame and a sixth square frame arranged in sequence and spaced apart along the longitudinal beam direction; a fifth longitudinal support rod and a sixth longitudinal support rod arranged in parallel, connected between the bottom of the fourth square frame, the fifth square frame and the sixth square frame and defining a second lower battery pack installation space together with the fourth square frame, the fifth square frame and the sixth square frame; a seventh longitudinal support rod and an eighth longitudinal support rod arranged in parallel, connected between the top of the fourth square frame, the fifth square frame and the sixth square frame; a second guard plate support arranged above the seventh longitudinal support rod and the eighth longitudinal support rod in parallel; a fifth vertical rod, a sixth vertical rod and a seventh vertical rod connected to the side of the fifth longitudinal support rod and the seventh longitudinal support rod and the first side of the second guard plate support respectively; an eighth vertical rod, a ninth vertical rod and a tenth vertical rod connected to the top of the fourth square frame, the fifth square frame and the sixth square frame and the second side of the second guard plate support respectively; the second guard plate support, the third longitudinal support rod and the fourth longitudinal support rod, and the fifth to tenth vertical rods together define a second upper battery pack installation space; a third connecting piece arranged on the side of the longitudinal beam adjacent to the top of the fourth square frame, the fifth square frame and the sixth square frame; and a fourth connecting piece arranged on the side of the longitudinal beam adjacent to the bottom of the fourth square frame, the fifth square frame and the sixth square frame; wherein the third connecting piece and the first connecting piece are connected and the fourth connecting piece and the second connecting piece are connected for connecting the second battery installation unit to the first battery installation unit.

7. The battery pack support for new energy vehicles according to claim 6, characterized in that The length of the fifth to eighth longitudinal support rods is adjustable to accommodate battery packs of different lengths.

8. The battery pack support for new energy vehicles according to claim 7, characterized in that The second battery installation unit and the battery pack contained therein are prefabricated in the factory and integrally hoisted and connected to the left and right sides of the first battery installation unit on site.

9. The battery pack support for new energy vehicles according to claim 6, characterized in that The second guard plate support includes a square frame and longitudinal beams, transverse beams and / or diagonal beams arranged in the square frame; the fifth longitudinal support rod and the sixth longitudinal support rod are L-shaped and supported on the upper surface of the bottom beam of the fourth square frame, the fifth square frame and the sixth square frame, the seventh longitudinal support rod and the eighth longitudinal support rod are L-shaped and supported on the upper surface of the top beam of the fourth square frame, the fifth square frame and the sixth square frame, and the upper surfaces of the bottom beam and the top beam of the fourth square frame, the fifth square frame and the sixth square frame are also arranged with support pads; the second battery installation unit is also provided with a hoisting hole and the outside is also provided with a battery pack guard plate, and the first guard plate support and the second guard plate support are omitted.

10. The battery pack support for new energy vehicles according to claim 6, characterized in that The second square frame of the first battery installation unit and the fifth square frame, the sixth vertical rod and the ninth vertical rod of the second battery installation unit are omitted.

Images