Hybrid rigid mine truck battery frame assembly

Abstract

The utility model belongs to the technical field of battery frames, and particularly relates to a hybrid rigid mine truck battery frame assembly which is integrally of a cuboid structure and comprises a top-layer frame, a bottom-layer frame and stand columns used for connecting the top-layer frame and the bottom-layer frame, lifting lugs are arranged on the top-layer frame, shock absorber welding parts are arranged on the lower portion of the bottom-layer frame, and shock absorber welding parts are arranged on the bottom-layer frame. The shock absorber welding part is provided with a shock absorber, the shock absorber is provided with a bolt hole, and a bolt penetrates through the bolt hole to fix the bottom layer frame on the base body platform. The battery frame is mainly composed of the rectangular pipes, the U-shaped steel of different specifications and the steel plates, and the overall quality and cost of the battery frame are greatly reduced through the U-shaped steel; and meanwhile, the safety performance and the working efficiency of the battery system are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of battery frame, concretely relates to a hybrid rigid mine truck battery frame assembly. BACKGROUND

[0002] The range extending rigid mine truck (referred to as rigid truck) utilizes the engine to generate power alone to drive the whole vehicle, and the range extending rigid mine truck has high fuel consumption and high working cost, and thus a hybrid rigid mine truck is developed in the market, which utilizes a small engine to generate power and cooperates with a power battery to drive the whole vehicle, greatly reduces the fuel consumption of the whole vehicle, and recovers kinetic energy when working in a downhill condition to charge the power battery. The rigid truck is mainly sold in mining areas such as Xinjiang, Inner Mongolia and Russia, and the working environment of the rigid truck is relatively harsh, which greatly affects the working performance of the power battery.

[0003] At present, the battery frame is mostly made of rectangular tubes, and no measures are taken to resist environmental interference, and the cost is high and the weight is large, and the influence of the external environment in the extreme environment of the mining area on the performance of the battery is large. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a hybrid rigid mine truck battery frame assembly, which reduces the overall quality of the battery frame, reduces the cost of the whole vehicle, improves the heat preservation performance of the battery system, and improves the safety of the battery system.

[0005] In order to achieve the above-mentioned purpose, the utility model is realized through the following technical scheme:

[0006] Firstly, the embodiment of the utility model provides a hybrid rigid mine truck battery frame assembly, which is in the form of a cuboid structure, and comprises a top layer frame, a bottom layer frame and a stand column for connecting the top layer frame and the bottom layer frame, the top layer frame is provided with an ear, the lower part of the bottom layer frame is provided with a shock absorber weld, the shock absorber weld is provided with a shock absorber, the shock absorber is provided with a bolt hole, and the bottom layer frame is fixed on the base platform through the bolt passing through the bolt hole.

[0007] As a further technical scheme, it further comprises a plurality of intermediate layer frames, which are arranged between the top layer frame and the bottom layer frame.

[0008] The top layer frame, the bottom layer frame and the intermediate layer frame are all rectangular frames, the rectangular frame comprises a horizontal beam and a vertical beam, and the horizontal beam and the vertical beam are vertically connected.

[0009] As a further technical scheme, the horizontal beam and the vertical beam of the intermediate layer frame are both provided with a reinforcing rib below.

[0010] As a further technical solution, a plurality of rod end joint bearing pull rods are arranged on the cross beams between the two adjacent intermediate layer frames, and the heads of the rod end joint bearing pull rods have a movable amount.

[0011] As a further technical solution, a plurality of reinforcing vertical beams are arranged in the vertical beam direction inside the top layer frame, the bottom layer frame and the intermediate layer frame, and the reinforcing vertical beams are vertically connected with the cross beams.

[0012] As a further technical solution, the column includes a first column and a second column, the first column and the second column are vertically and parallelly arranged between the top layer frame and the bottom layer frame, the first column is vertically arranged at both ends of the top layer frame and the bottom layer frame in the horizontal direction, and the second column is vertically arranged inside the top layer frame and the bottom layer frame in the horizontal direction; a plurality of adjusting shims are arranged on the second column of the column.

[0013] As a further technical solution, a three-dimensional coordinate system is established at the gravity center position of the battery pack assembly, the x-axis is the direction in which the vehicle advances, the y-axis is the direction perpendicular to the x-axis, and the z-axis is the direction in which the vehicle vibrates up and down; the second column is arranged on the y-axis coordinate axis of the gravity center of the battery pack assembly.

[0014] As a further technical solution, a plurality of adjusting shims are arranged on the cross beams of the top layer frame, the cross beams of the bottom layer frame and the cross beams of the intermediate layer frame.

[0015] As a further technical solution, a bottom sealing plate is arranged at the bottom of the bottom layer frame, and a battery sealing plate is arranged outside the hybrid rigid mine truck battery frame assembly; a heat preservation layer is arranged inside the bottom sealing plate and the battery sealing plate.

[0016] As a further technical solution, the top layer frame, the bottom layer frame and the intermediate layer frame are all U-shaped steel.

[0017] As a further technical solution, the first column is a rectangular tube, and the second column is U-shaped steel.

[0018] The beneficial effects of the above-mentioned embodiments of the present application are as follows:

[0019] (1) The battery frame of the present application is mainly composed of rectangular tubes, U-shaped steel of different specifications and steel plates, and the U-shaped steel greatly reduces the overall quality and cost of the battery frame; at the same time, the safety performance of the battery system and the working efficiency of the battery system are improved.

[0020] (2) The utility model discloses a battery frame is provided with the lug on the top layer frame, and the lower part of the bottom layer frame is provided with the shock absorber welding, is provided with the shock absorber on the shock absorber welding, is provided with bolt hole on the shock absorber, and the bolt passes through bolt hole and fixes the bottom layer frame on the base platform, and the quick installation and dismounting of battery frame are convenient.

[0021] (3) The utility model discloses the crossbeam and vertical beam of intermediate layer frame are all provided with the reinforcing rib below, and the crossbeam between the adjacent two intermediate layer frames is provided with a plurality of rod end joint bearing pull rods, and the head of rod end joint bearing pull rod has the activity, and it is favorable to enhance the overall structural stability of battery frame.

[0022] (4) The utility model discloses the crossbeam of top layer frame, the crossbeam of bottom layer frame, the crossbeam of intermediate layer frame and the second column of column are all provided with a plurality of adjusting shims, and it is favorable to make the plane of battery be in the corresponding horizontal state, prevent the gap between external sealing plate and frame, and the sealing is not strict.

[0023] (5) The utility model discloses the bottom of bottom layer frame is provided with bottom sealing plate, and the outside of hybrid rigid mine truck battery frame assembly is provided with battery sealing plate, and the inner side of bottom sealing plate and battery sealing plate is provided with heat preservation layer, and it is favorable to improve the sealing property and heat preservation performance of battery. DRAWINGS

[0024] The drawings accompanying the specification of the utility model form a part of the utility model and serve to provide further understanding of the utility model, and the illustrative embodiment of the utility model and the explanation thereof serve to explain the utility model, and do not constitute improper limitation on the utility model.

[0025] Figure 1 It is the overall structure schematic view of battery frame in the utility model,

[0026] Figure 2 It is the left view of reinforcing rib in the utility model,

[0027] Figure 3 It is the front view of reinforcing rib in the utility model,

[0028] Figure 4 It is the structure schematic view of rod end joint bearing pull rod in the utility model,

[0029] Figure 5 It is the structure schematic view of battery arrangement in the battery frame in the utility model,

[0030] Figure 6 It is the structure schematic view of battery sealing plate in the utility model,

[0031] The schematic view is only for the schematic use,

[0032] Wherein, the top layer frame 1, the crossbeam 1-1, the vertical beam 1-2, the bottom layer frame 2, the crossbeam 2-1, the vertical beam 2-2, the column 3, the first column 3-1, the second column 3-2, the intermediate layer frame 4, the crossbeam 4-1, the vertical beam 4-2, the reinforcing vertical beam 5, the lifting lug 6, the shock absorber welding 7, the shock absorber 8, the rod end joint bearing pull rod 9, the adjusting gasket 10, the bottom sealing plate 11, the reinforcing rib 12, the battery sealing plate 13, the battery 14. DETAILED DESCRIPTION

[0033] It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the present application. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0034] Example 1

[0035] In a typical embodiment of the present application, a hybrid rigid mine truck battery frame assembly is provided, as shown in Figure 1 The overall structure is a rectangular structure, which comprises a top layer frame 1, a bottom layer frame 2, and a column 3 for vertically connecting the top layer frame 1 and the bottom layer frame 2; a plurality of intermediate layer frames 4 are arranged between the top layer frame 1 and the bottom layer frame 2; as shown in Figure 5 The bottom layer frame 2 and the adjacent intermediate layer frame 4, the top layer frame 1 and the adjacent intermediate layer frame 4, and the adjacent two intermediate layer frames 4 form a battery compartment for placing the battery 14.

[0036] The top layer frame 1, the bottom layer frame 2 and the intermediate layer frame 4 are all rectangular structures, which comprise crossbeams and vertical beams, and the crossbeams are vertically connected with the vertical beams. A plurality of reinforcing vertical beams 5 are arranged in the vertical beam direction inside the top layer frame 1, the bottom layer frame 2 and the intermediate layer frame 4, the reinforcing vertical beams 5 are vertically connected with the crossbeams, the reinforcing vertical beams 5 are 60x50x5 mm U-shaped steel, and the reinforcing vertical beams 5 are used for bearing and fixing the battery.

[0037] The top layer frame 1 comprises crossbeams 1-1 and vertical beams 1-2, which are vertically connected; the crossbeams 1-1 comprise first crossbeams and second crossbeams; a plurality of lifting lugs 6 are arranged on the first crossbeams and the second crossbeams respectively, the lifting lugs 6 are U-shaped steel, and the lifting lugs 6 are used for the overall hoisting of the battery frame assembly. The crossbeams 1-1 are 70x60x5 mm U-shaped steel; the vertical beams 1-2 are 60x50x5 mm U-shaped steel.

[0038] The bottom layer frame 2 comprises cross beams 2-1 and vertical beams 2-2 which are vertically connected; the bottom of the connection position of the cross beams 2-1 and the vertical beams 2-2 and the middle position of the lower end of the cross beams 2-1 are respectively provided with shock absorber welds 7, the shock absorber welds 7 are provided with shock absorbers 8, the shock absorbers 8 are provided with bolt holes, and the bolts are used to fix the bottom layer frame 2 on the base platform. The shock absorbers 8 are used to reduce the vibration between the bottom layer frame and the base platform, so as to enhance the stability of the battery frame in the extreme environment of the mining area. The cross beams 2-1 are U-shaped steel with a size of 70x60x8 mm; the vertical beams 2-2 are U-shaped steel with a size of 60x50x5 mm. The bottom of the bottom layer frame 2 is provided with a bottom sealing plate 11, the bottom sealing plate 11 is provided with a thermal insulation layer, the gap between the bottom sealing plate 11 and the bottom layer frame 2 is sprayed with sealant, and the bottom sealing plate 11 is used to improve the thermal insulation performance of the battery.

[0039] The column 3 comprises a first column 3-1 and a second column 3-2, which are vertically and parallelly arranged between the top layer frame 1 and the bottom layer frame 2, the first column 3-1 is arranged on both sides of the top layer frame 1 and the bottom layer frame 2, and the second column 3-2 is arranged on the cross beams of the top layer frame 1 and the bottom layer frame 2. The first column 3-1 is a rectangular tube with a size of 80x60x6 mm, and the second column 3-2 is U-shaped steel with a size of 70x60x8 mm.

[0040] In the embodiment, the intermediate layer frame 4 is three layers, that is, the battery frame has four battery compartments. The intermediate layer frame 4 comprises cross beams 4-1 and vertical beams 4-2 which are vertically connected; the cross beams 4-1 and the vertical beams 4-2 are both U-shaped steel with a size of 60x50x8 mm, and the cross beams 4-1 are used to reduce the stress generated in the y-axis direction of the battery frame.

[0041] The top layer frame 1, the bottom layer frame 2, the intermediate layer frame 4 and the second column 3-2 of the column 3 are all provided with a plurality of adjusting shims 10, the adjusting shims 10 are circular shims, and the adjusting shims 10 are used to make the plane of the battery in a corresponding horizontal state, prevent the existence of gaps between the external sealing plate and the frame, and ensure the sealing.

[0042] As shown in Figure 2 As shown in Figure 3 The lower part of the cross beam 4-1 in the intermediate layer frame 4 is provided with a reinforcing rib 12, and the reinforcing rib 12 is used to improve the overall strength of the battery frame.

[0043] AsFigure 4 As shown in the figure, a plurality of rod end joint bearing pull rods 9 are arranged on the cross beam 4-1 between two adjacent intermediate layer frames 4, the head of the rod end joint bearing pull rod 9 has a certain amount of movement, which prevents the rod end joint bearing pull rod 9 from being pulled off due to the vibration of the shock absorber 8, and the rod end joint bearing pull rod 9 further reduces the stress of the battery frame along the y-axis direction.

[0044] As shown in the figure, Figure 6 As shown in the figure, the battery frame is externally provided with a battery sealing plate 13, the inner side of the battery sealing plate 13 is provided with a heat preservation layer, the battery sealing plate 13 is fixed by a pressing plate to prevent the battery sealing plate 13 from being warped and improve the overall strength, and the battery sealing plate 13 is used to improve the sealing performance and heat preservation performance of the battery.

[0045] In the utility model, the stability of the hybrid rigid mine truck battery frame assembly under the vibration limit working condition is also researched, and the specific process is as follows:

[0046] A three-dimensional coordinate system is established at the gravity center position of the battery pack assembly, the x-axis is the direction of vehicle forward movement, the y-axis is the direction perpendicular to the x-axis, and the z-axis is the direction of vehicle up and down vibration. When testing, vibration is applied to the coordinate system at the gravity center position of the battery frame assembly, that is, 3g on the x and y axes and 5g on the z axis. The computer aided engineering (CAE) vibration working condition analysis of the battery frame under 5g on the z axis shows that the stress concentration point is the position of the shock absorbing welding 7 of the battery frame, and the maximum stress is 150Mpa. Since it is a limit vibration working condition, it meets the vibration demand of the actual working condition (the maximum stress is about 4g).

[0047] 3g stress is applied to the y-axis direction of the battery frame, and the CAE vibration working condition analysis under 3g on the y-axis shows that the stress concentration point is mainly concentrated in the area of the cross beam pulled by the rod end joint bearing, and the maximum stress is about 120Mpa, which meets the vibration demand of the actual working condition (the maximum stress is about 2g).

[0048] In the utility model, the assembly process of the hybrid rigid mine truck battery frame assembly is as follows:

[0049] The top layer frame 1, the bottom layer frame 2, the intermediate layer frame 4 and the stand column 3 are assembled into a battery frame with a cuboid structure as a whole.

[0050] The battery frame is hoisted onto the machine body platform through the lifting lug 6, and the bottom layer frame 2 is fixed by bolts passing through the bolt holes.

[0051] The battery 14 is pushed and pulled from the four sides of the battery frame and placed in the battery frame, which is convenient for the installation, removal and maintenance of the battery 14.

[0052] A battery sealing plate 13 is arranged around the outside of the battery frame, and a bottom sealing plate 11 is arranged at the bottom of the bottom frame 2, so as to improve the sealing performance and heat preservation performance of the battery 14.

[0053] The preferred embodiments of the present application have been described above by way of example only, not for limitation, and various changes and modifications can be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A hybrid rigid mine truck battery frame assembly, which is a cuboid structure as a whole, comprising a top layer frame, a bottom layer frame and a column for connecting the top layer frame and the bottom layer frame, characterized in that, The top layer frame is provided with an ear, the lower part of the bottom layer frame is provided with a shock absorber weld, the shock absorber weld is provided with a shock absorber, the shock absorber is provided with a bolt hole, and the bottom layer frame is fixed on the base platform through the bolt passing through the bolt hole. A plurality of intermediate layer frames are arranged between the top layer frame and the bottom layer frame, a plurality of rod end joint bearing pull rods are arranged on the cross beams between the adjacent two intermediate layer frames, and the head of the rod end joint bearing pull rod has a movable amount. The cross beams of the top layer frame, the bottom layer frame and the intermediate layer frame are all provided with a plurality of adjusting shims. The bottom part of the bottom layer frame is provided with a bottom sealing plate, the outside of the hybrid rigid mine truck battery frame assembly is provided with a battery sealing plate, and the inner sides of the bottom sealing plate and the battery sealing plate are both provided with a heat preservation layer.

2. The hybrid rigid mine truck battery frame assembly of claim 1, wherein, The top layer frame, the bottom layer frame and the intermediate layer frame are all rectangular frames, the rectangular frame comprises a cross beam and a vertical beam, and the cross beam and the vertical beam are vertically connected.

3. The hybrid rigid mine truck battery frame assembly of claim 1, wherein, The cross beams and the vertical beams of the intermediate layer frame are both provided with a reinforcing rib below.

4. The hybrid rigid mine truck battery frame assembly of claim 1, wherein, The inside of the top layer frame, the bottom layer frame and the intermediate layer frame is provided with a plurality of reinforcing vertical beams along the vertical beam direction, and the reinforcing vertical beams are vertically connected with the cross beams.

5. The hybrid rigid mine truck battery frame assembly of claim 1, wherein, The column comprises a first column and a second column, the first column and the second column are vertically and parallel arranged between the top layer frame and the bottom layer frame, the first column is vertically arranged at both ends of the horizontal direction of the top layer frame and the bottom layer frame, the second column is vertically arranged inside the horizontal direction of the top layer frame and the bottom layer frame, and the second column of the column is provided with a plurality of adjusting shims.

6. The hybrid rigid mine truck battery frame assembly of claim 1, wherein, The top layer frame, the bottom layer frame and the intermediate layer frame are U-shaped steel.

7. The hybrid rigid mine truck battery frame assembly of claim 5, wherein The first column is a rectangular tube, and the second column is U-shaped steel.

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