CN215621357U

CN215621357U - Battery box bracket with high stability

Info

Publication number: CN215621357U
Application number: CN202122026786.2U
Authority: CN
Inventors: 邓立新; 邓细平; 钱芳; 谢美华; 朱巨波
Original assignee: Hunan Niushun Technology Co ltd
Current assignee: Hunan Niushun Technology Co ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2022-01-25
Anticipated expiration: 2031-08-25

Abstract

The utility model discloses a battery box bracket with high stability, which comprises: comprises a bearing beam, a frame, an elastic butt joint device, a guide device and a spin lock device; the bearing beam comprises a mounting plate for fixing the bracket and the heavy truck; the frame is arranged above the bearing beam; the elastic butt joint device is arranged on the frame and comprises a connector and a damping mechanism arranged below the connector, and the connector is matched with the battery connector; the guide devices are symmetrically arranged on two sides of the elastic butt joint device; the rotary locking devices are symmetrically arranged on the frame and used for locking the battery box body. The battery box bracket with high stability is light in weight, low in manufacturing cost, low in processing difficulty and capable of meeting the requirement of bearing capacity.

Description

Battery box bracket with high stability

Technical Field

The utility model relates to the field of battery boxes, in particular to a battery box bracket with high stability.

Background

With the continuous deterioration of the environment and the continuous reduction of resources, the call for developing the electric automobile is higher and higher, and with the progress of the battery technology, the attention of the electric heavy truck is also gradually increased. Due to the restriction of the prior art, the charging time of the electric heavy truck is inferior to the refueling time of a fuel truck, so that the electric heavy truck shortens the time by replacing batteries in a battery replacement station. At present, in the field of electric vehicle battery replacement, a battery box adopts a quick replaceable structure, and replacement can be completed in a special battery replacement station. Under the effect of special battery changing device, the discharged battery box is taken down and placed on a charging station, and the charged battery box is installed on the electric vehicle, so that the installation accuracy requirement on the battery box bracket with high stability is higher, the traditional battery box bracket with high stability adopts a guide post and an X, Y-direction linear locking device, the whole installation accuracy needs guiding, the processing technology difficulty is high, the locking structure adopts linear bearing stress, the bearing capacity is low, the battery box bracket is easy to damage, and the unlocking function is influenced after the battery box bracket is damaged. In addition, the battery box is in the vehicle motion process, because work environment influences such as rock, battery box and bracket always have wearing and tearing, have reduced the life of battery box.

SUMMERY OF THE UTILITY MODEL

In view of the defects in the prior art, the present invention provides a high-stability battery box bracket with high stability, comprising:

the bearing beam comprises a mounting plate for fixing the bracket and the heavy truck;

the frame is arranged above the bearing beam;

the elastic butt joint device is arranged on the frame and comprises a connector and a damping mechanism arranged below the connector, and the connector is matched with the battery connector;

and the guide devices are symmetrically arranged on the inner side edge of the frame, and the outer sides of the guide devices are provided with plate springs.

And the rotary locking devices are symmetrically arranged on the frame and used for locking the battery box body.

Preferably, the damping mechanism comprises damping springs uniformly distributed below the connector.

Preferably, the twist-lock device comprises a first rotating bolt, a second rotating bolt and a driving assembly, wherein the first rotating bolt and the second rotating bolt are symmetrically arranged above the frame, and the driving assembly is arranged below the frame; the driving assembly drives the first rotating lock bolt and the second rotating lock bolt to rotate synchronously.

Preferably, the driving assembly comprises a first synchronizing wheel connected with the first rotary lock tongue, a second synchronizing wheel connected with the second rotary lock tongue, a steel wire rope connecting the first synchronizing wheel and the second synchronizing wheel, and a driving cylinder driving the first synchronizing wheel to rotate.

Preferably, the damping device further comprises damping blocks uniformly distributed on the upper surface of the frame.

Preferably, the guide device comprises a guide upright, the upper end of the guide upright is arranged in a slope shape, and a leaf spring is arranged on the short side of the guide upright.

Has the advantages that:

the utility model provides a battery box bracket with high stability, which comprises a bearing beam, a frame, an elastic butt joint device, a guide device and a twist lock device, wherein the bearing beam is arranged on the frame; compared with the traditional bracket, the length is reduced, the whole weight is light, the production is realized, and the cost is reduced. Compared with the existing locking, the rotary locking device has the advantages that the error range is increased, and the process is simple. A single rotary lock bolt can bear 15t, and four rotary lock bolts can bear 60t, and the strength is high. The guiding device is high in guiding precision, the elastic butt joint device is subjected to spring shock absorption, the battery box body is in flexible connection with the plug-in units on the bracket, mechanical damage to the plug-in units is avoided, stress is more balanced, and stability is high.

Drawings

Fig. 1 is a schematic structural view of a battery box bracket having high stability according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a driving assembly in the embodiment of FIG. 1;

FIG. 3 is a schematic view of the structure of the guide device in the embodiment of FIG. 1;

the device comprises a bearing beam 10, a frame 20, an elastic butt joint device 30, a connector 31, a shock absorption mechanism 32, a guide device 40, a guide upright 41, a plate spring 42, a bevel edge 43, a twist lock device 50, a first rotary lock tongue 51, a second rotary lock tongue 52, a driving assembly 53, a driving cylinder 531, a fisheye joint 532, a driving plate 533, a rotating pin 534, a first synchronizing wheel 535, a locking nut 536, a groove 537, a steel wire rope 538, a synchronizing wheel 539, a second synchronizing wheel 60 and a shock absorption block.

Detailed Description

The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the utility model, but are not intended to limit the utility model in any way. It should be noted that variations and modifications can be made by persons skilled in the art without departing from the spirit of the utility model. All falling within the scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a battery box bracket with high stability, which includes a load beam 10, a frame 20, an elastic docking unit 30, a guide unit 40, and a twist-lock unit 50; the carrier beam 10 comprises two carrier beams 10 arranged in parallel, and the carrier beam 10 comprises a mounting plate for fixing the bracket and the heavy truck; in this embodiment, the carrier bar 10 includes two parallel rectangular steels, and mounting plates are disposed at two ends of the carrier bar.

The frame 20 is arranged above the load beam 10; the upper surface of the frame 20 is horizontally arranged, and the carrier beam 10 and the frame 20 are welded and fixed through reinforcing ribs; the frame 20 is square. The elastic docking device 30 is arranged on the frame 20 and comprises a connector 31 and a damping mechanism 32 arranged below the connector 31, and the connector 31 is matched with the battery connector; the guide devices 40 are symmetrically arranged at two sides of the elastic butting device 30; the guide device 40 is symmetrically arranged at the inner side edge of the frame, and a plate spring 42 is arranged at the outer side of the guide device; the outer side refers to a side of the guide 40 contacting the battery case.

The twist lock devices 50 are symmetrically arranged on the frame 20 and used for locking the battery box body. In this embodiment, the length of the bracket is shortened by 500mm, and the overall weight is 280kg, thereby achieving the greatest reduction in weight. The guide post structure solves the problems that the guide post tolerance in the prior art is 12mm, the tolerance of the twist lock device 50 in the direction of the narrow edge of the frame 20 is +/-28.5 mm, the tolerance of the twist lock device in the direction of the long edge of the frame 20 is +/-50 mm, and the process difficulty is reduced. In the present embodiment of the utility model, the damping mechanism 32 includes damping springs uniformly arranged below the connector 31. The connector 31 comprises a plug interface and a mounting plate, the mounting plate is connected with the frame 20 through bolts, and a damping spring is arranged between the mounting plate and the frame 20.

In the present embodiment of the utility model, the spin lock device 50 includes a first rotary latch 51, a second rotary latch 52 and a driving assembly 53, which are symmetrically disposed above the frame 20; the driving assembly 53 drives the first rotary latch 51 and the second rotary latch 52 to rotate synchronously.

Further, the driving assembly 53 includes a first synchronizing wheel 535 connected to the first rotary latch 51, a second synchronizing wheel 539 connected to the second rotary latch 52, a wire rope 538 connecting the first synchronizing wheel 535 and the second synchronizing wheel 539, and a driving cylinder 531 for driving the first synchronizing wheel 535 to rotate. The output end of the driving cylinder 531 is provided with a fisheye joint 532, the other end of the fisheye joint 532 is hinged with a driving plate 533, the other end of the driving plate 533 is fixedly connected with a rotating pin 534, the other end of the rotating pin 534 is fixedly connected with a first rotating bolt 51, a first synchronizing wheel 535 is arranged below the first rotating bolt 51 and positioned on the rotating pin 534, the first synchronizing wheel 535 is fixed with the rotating pin 534 through a locking nut 536, a groove 537 is arranged on the first synchronizing wheel 535, and a steel wire rope 538 is wound around the peripheries of the first synchronizing wheel 535 and a second synchronizing wheel 539 and clamped in the groove 537. The wire rope 538 drives the first synchronizing wheel 535 and the second synchronizing wheel 539 to synchronously rotate, and therefore synchronous locking of the first rotating lock tongue 51 and the second rotating lock tongue is achieved.

In another embodiment of the present invention, the shock absorbing device further comprises shock absorbing blocks 60 uniformly distributed on the upper surface of the frame 20. The damper block 60 is a damper rubber fixedly disposed on an upper surface of the frame 20.

In one embodiment of the present invention, the guiding device 40 includes a guiding column 41 and a plate spring 42 disposed at one side of the guiding column 41. One side of the guide upright post 41 is provided with a through hole, and a plate spring 42 is arranged on the through hole. The slope-shaped setting of direction stand 41 upper end, its short avris sets up leaf spring 42, and the battery box of being convenient for imbeds on the bracket, simultaneously, because the existence of leaf spring 42, has avoided rocking the damage to the battery box in the vehicle operation. Preferably, the guide posts can be symmetrically arranged into two groups or three groups. Preferably, one set is symmetrically arranged along the long side direction of the frame 20, 2 sets are symmetrically arranged along the narrow side direction of the frame 20, and the plate spring 42 is positioned at the outer side of the symmetrically arranged guide columns 41. The outer side refers to a side of the guide 40 contacting the battery case.

Has the advantages that:

the utility model provides a battery box bracket with high stability, which comprises a bearing beam 10, a frame 20, an elastic butt joint device 30, a guide device 40 and a twist locking device 50; compared with the traditional bracket, the length is reduced, the whole weight is light, the production is realized, and the cost is reduced. Compared with the existing locking, the twist locking device 50 has the advantages that the error range is increased, and the process is simple. A single rotary lock bolt can bear 15t, and four rotary lock bolts can bear 60t, and the strength is high. The guiding precision of the guiding device 40 is high, and the elastic butt joint device 30 adopts spring shock absorption, so that the battery box body is flexibly connected with the plug-in units on the bracket, the mechanical damage to the plug-in units is avoided, and the stress is more balanced.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The foregoing is a more detailed description of the present invention that is presented in conjunction with specific embodiments, and the practice of the utility model is not to be considered limited to those descriptions. It will be apparent to those skilled in the art that a number of simple derivations or substitutions can be made without departing from the inventive concept.

Claims

1. A battery box bracket with high stability, characterized by comprising:

the frame is arranged above the bearing beam;

the guide devices are symmetrically arranged at the inner side edge of the frame, and the outer sides of the guide devices are provided with plate springs;

2. The battery box bracket with high stability according to claim 1, wherein the shock-absorbing mechanism comprises shock-absorbing springs uniformly disposed under the connectors.

3. The battery box bracket with high stability according to claim 1, wherein the twist-lock device comprises a first rotating latch, a second rotating latch and a driving assembly, wherein the first rotating latch and the second rotating latch are symmetrically arranged above the frame, and the driving assembly is arranged below the frame; the driving assembly drives the first rotating lock bolt and the second rotating lock bolt to rotate synchronously.

4. The battery box bracket with high stability according to claim 3, wherein the driving assembly comprises a first synchronizing wheel connected with the first rotary latch, a second synchronizing wheel connected with the second rotary latch, a wire rope connecting the first synchronizing wheel and the second synchronizing wheel, and a driving cylinder driving the first synchronizing wheel to rotate.

5. The battery box bracket with high stability according to claim 1, further comprising shock-absorbing blocks uniformly disposed on an upper surface of the frame.

6. The battery box bracket with high stability as claimed in claim 1, wherein the guide means comprises a guide post, the upper end of which is provided with a slope-like shape and the short side of which is provided with a plate spring.