CN112477575A

CN112477575A - Battery box fixing device and vehicle

Info

Publication number: CN112477575A
Application number: CN202011374959.3A
Authority: CN
Inventors: 卢猛; 王一戎; 徐焕祥; 王军
Original assignee: Zhejiang Geely Holding Group Co Ltd; Zhejiang Geely New Energy Commercial Vehicle Group Co Ltd
Current assignee: Zhejiang Geely Holding Group Co Ltd; Zhejiang Geely New Energy Commercial Vehicle Group Co Ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-03-12
Anticipated expiration: 2040-11-30
Also published as: CN112477575B

Abstract

The invention relates to the technical field of automobiles, in particular to a battery box fixing device and a vehicle, wherein the battery box fixing device comprises a fixing support, a limiting assembly and at least two locking assemblies; the limiting assembly is arranged on one side of the fixing support and used for limiting a battery box of a vehicle; the locking assembly comprises a driving piece and a locking piece; the driving piece and the locking piece are both connected with the fixed bracket; the driving end of the driving piece is connected with the locking piece, the driving piece is used for driving the locking piece to rotate, and the locking piece is used for fixing a battery box of a vehicle on the fixed support; the battery box of the vehicle is limited by arranging the limiting assembly, so that the battery box is ensured to be installed at an accurate position; and a locking assembly is arranged to lock the battery box of the vehicle, and the Z direction of the battery box is restrained, so that the battery box is prevented from falling off the fixed support.

Description

Battery box fixing device and vehicle

Technical Field

The invention relates to the technical field of automobiles, in particular to a battery box fixing device and a vehicle.

Background

At present, in the field of replacing batteries of electric heavy trucks, a battery box adopts a quick replaceable structure, and can be quickly replaced in a special replacement station. And the battery replacing box takes down the discharged battery box under the action of the special battery replacing device, and places the discharged battery box on a charging station, and meanwhile, the fully charged battery box is loaded on the electric heavy truck. The container is hoisted and taken down under the action of the special hoisting clamp. The battery box has the advantages that the battery box can be replaced in a short time; the battery box adopts the hoist and mount mode at the trade electric in-process, and the stone tongs adopts the coiling steel cable mode to realize the up-and-down motion, and the horizontal accuracy is difficult to realize the high accuracy location, and the location to the battery box in-process of placing causes the difficulty, consequently places the location design of in-process at the battery box and is especially important.

The electric heavy truck has the advantages that the total volume and the weight of a heavy truck battery are large due to the requirement of ensuring sufficient endurance mileage, and the whole truck has large impact force after being fixedly installed in emergency acceleration and emergency braking states, so that the fixed structure of the existing battery box is high in cost, and the problems of complex installation and disassembly processes, long time consumption and the like of the battery box in the prior art are solved.

Based on the shortcomings of the prior art, a battery box fixing device and a vehicle are urgently needed to solve the problems.

Disclosure of Invention

In order to solve the technical problems, the invention provides a battery box fixing device and a vehicle, wherein the battery box of the vehicle is limited by arranging a limiting assembly, so that the battery box is ensured to be installed at an accurate position; and a locking assembly is arranged to lock the battery box of the vehicle, and the Z direction of the battery box is restrained, so that the battery box is prevented from falling off the fixed support.

The invention discloses a battery box fixing device which comprises a fixing support, a limiting assembly and at least two locking assemblies, wherein the fixing support is fixedly connected with the limiting assembly;

the limiting assembly is arranged on one side of the fixing support and used for limiting a battery box of a vehicle;

the locking assembly comprises a driving piece and a locking piece; the driving piece and the locking piece are both connected with the fixed bracket; the driving end of the driving piece is connected with the locking piece, the driving piece is used for driving the locking piece to rotate, and the locking piece is used for fixing a battery box of a vehicle on the fixed support.

Further, the fixing bracket comprises at least two first limiting holes and at least two connecting plates;

the two first limiting holes are arranged at intervals, and at least one locking piece is arranged in each first limiting hole;

two the connecting plate interval sets up, be provided with on the connecting plate spacing subassembly.

Furthermore, two locking pieces are arranged in the first limiting hole.

Furthermore, the locking piece comprises a connecting rod and a limiting block, and the limiting block can be clamped with the first limiting hole; one end of the connecting rod is connected with the limiting block, and the other end of the connecting rod is connected with the driving piece of the driving piece.

Furthermore, the limiting assembly comprises a first limiting piece, a second limiting piece and two third limiting pieces;

the first limiting part and the third limiting part are arranged on one connecting plate, the second limiting part and the third limiting part are arranged on the other connecting plate, and the two third limiting parts are arranged at intervals.

Further, the first limiting part, the second limiting part and the third limiting part are positioning pins, and the diameter of the first limiting part is smaller than that of the third limiting part.

Furthermore, the number of the driving pieces corresponds to the number of the locking pieces, and one driving piece is connected with one locking piece.

Further, the fixing support further comprises at least two second limiting holes;

the length directions of the two second limiting holes are consistent.

Furthermore, one side of the fixed support is also provided with a damping piece, and the height of the damping piece is smaller than that of the limiting assembly.

Another aspect of the present invention provides a vehicle, including a battery box, a longitudinal beam, and the battery box fixing device as described above, the battery box fixing device being connected to the longitudinal beam;

the battery box is provided with a third limiting hole and a fourth limiting hole, one end of the locking piece is arranged in the fourth limiting hole, and one end of the limiting assembly is arranged in the third limiting hole, so that the battery box can be fixedly connected with the battery box fixing device.

The embodiment of the invention has the following beneficial effects:

1. the battery box of the vehicle is limited by arranging the limiting assembly, so that the battery box is ensured to be installed at an accurate position; and a locking assembly is arranged to lock the battery box of the vehicle, and the Z direction of the battery box is restrained, so that the battery box is prevented from falling off the fixed support.

2. According to the invention, the battery box of the vehicle is limited by arranging the first limiting part, the second limiting part and the third limiting part, the X direction and the Y direction of the battery box are restrained, and the first limiting part and the third limiting part are arranged in different sizes, so that the situation that the battery box cannot be accurately installed on the fixed support due to the fact that the limiting assembly is used for positioning the battery box is avoided.

3. After the battery box is installed in place, the locking piece is rotated by the motor to rotate 90 degrees quickly, so that the battery box can be locked on the fixed support in the Z direction by the locking piece; when the battery box is disassembled, the motor continues to rotate 90 degrees, the locking state of the battery box can be released, and the locking and the releasing of the battery box are automatically realized by controlling the motor.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiment or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art it is also possible to derive other drawings from these drawings without inventive effort.

FIG. 1 is a front view of a battery box fixing device according to the present embodiment;

FIG. 2 is a side view of the battery box fixing device of the present embodiment;

FIG. 3 is a view showing a structure of a fixing bracket according to the embodiment;

fig. 4 is a front view of the battery box fixing device and the battery box of the present embodiment after being installed;

FIG. 5 is a side view of the battery box fixing device and the battery box of the present embodiment after being mounted;

FIG. 6 is a front view of the locking member of the present embodiment;

fig. 7 is a side view of the locking member of the present embodiment.

Wherein the reference numerals in the figures correspond to:

1-fixing a bracket; 2-a limiting component; 3-a locking assembly; 11-a first limit hole; 12-a connecting plate; 13-a second limit hole; 14-a shock absorbing member; 21-a first limit stop; 22-a second limit; 23-a third limiting member; 31-a drive member; 32-a lock; 321-a connecting rod; 322-a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The prior art has the following defects: the electric heavy truck is difficult to guarantee high-precision positioning, and the electric heavy truck leads to heavy truck battery total volume and weight to be bigger than normal in order to guarantee sufficient continuation of the journey mileage requirement, and whole car has very big impulsive force in the emergency acceleration and emergency braking two kinds of states after can leading to battery box fixed mounting, so the fixed knot who has the battery box constructs the cost higher, and the battery box among the prior art also has the installation, dismantles the process complicacy, and the length scheduling problem that consumes time.

Aiming at the defects of the prior art, the battery box of the vehicle is limited by arranging the limiting assembly, so that the battery box is ensured to be installed at an accurate position; and a locking assembly is arranged to lock the battery box of the vehicle, and the Z direction of the battery box is restrained, so that the battery box is prevented from falling off the fixed support.

Example 1

Referring to fig. 1 to 7, the present embodiment provides a battery box fixing device and a vehicle, where the battery box fixing device includes a fixing bracket 1, a limiting assembly 2, and at least two locking assemblies 3;

the limiting assembly 2 is arranged on one side of the fixed support 1, and the limiting assembly 2 is used for limiting a battery box of a vehicle;

the locking assembly 3 comprises a driving piece 31 and a locking piece 32; the driving piece 31 and the locking piece 32 are both connected with the fixed bracket 1; the driving end of the driving part 31 is connected with the locking piece 32, the driving part 31 is used for driving the locking piece 32 to rotate, and the locking piece 32 is used for fixing a battery box of a vehicle on the fixed bracket 1.

It should be noted that: in the embodiment, the battery box of the vehicle is limited by arranging the limiting component 2, so that the battery box is ensured to be installed at an accurate position; and set up locking subassembly 3 right the battery box of vehicle carries out the locking, right the Z direction of battery box retrains, avoids the battery box to follow drop on the fixed bolster 1, makes battery box fixing device can be right fast the battery box carries out accurate location, and locks the battery box avoids it to drop.

In this embodiment, the fixing bracket 1 is a rectangular bracket, and the X direction of the battery box is defined as the width direction of the fixing bracket 1; the Y direction is defined as the length direction of the fixing bracket 1; the Z direction is defined as the height direction of the fixing bracket 1.

Specifically, the driving member 31 may be a motor or a lead screw assembly.

In this embodiment, the driving member 31 is a motor, and after the battery box is mounted in place, the locking member 32 is rotated by the motor to rotate 90 ° rapidly, so that the battery box can be locked on the fixing bracket by the locking member 32 in the Z direction; when the battery box is disassembled, the motor continues to rotate 90 degrees, the locking state of the battery box can be released, and the locking and the releasing of the battery box are automatically realized by controlling the motor.

Specifically, the motor is connected with the locking piece 32 through a straight pin, and the motor can be effectively protected because the motor is elastically connected.

Preferably, the fixing bracket 1 comprises at least two first limiting holes 11 and at least two connecting plates 12;

the two first limiting holes 11 are arranged at intervals, and at least one locking piece 32 is arranged in each first limiting hole 11;

the two connecting plates 12 are arranged at intervals, and the limiting assemblies 2 are arranged on the connecting plates 12.

In some possible embodiments, two first limiting holes 11 are symmetrically arranged along the length direction of the fixing bracket 1, and two connecting plates 12 are also symmetrically arranged along the length direction of the fixing bracket 1.

In some possible embodiments, the connecting plate 12 is detachably connected to the body of the fixing bracket 1, and the connecting plate 12 is connected to the body of the fixing bracket 1 through bolts.

In other possible embodiments, the length direction of the first limiting hole 11 is consistent with the length direction of the fixing bracket 1, and the length direction of the connecting plate 12 is consistent with the length direction of the fixing bracket 1.

Preferably, two locking pieces 32 are arranged in the first limiting hole 11.

In some possible embodiments, three or more locking pieces 32 are disposed in the first limiting hole 11, the locking pieces 32 are all used for locking and fixing the battery box, and the number of the locking pieces 32 is set according to actual use conditions.

Preferably, the locking member 32 includes a connecting rod 321 and a limiting block 322, and the limiting block 322 can be clamped with the first limiting hole 11; one end of the connecting rod 321 is connected to the limiting block 322, and the other end of the connecting rod 321 is connected to the driving member 31 of the driving member 31.

In some possible embodiments, the locking assembly 3 further includes a sleeve, the sleeve is detachably connected to the fixing bracket 1 through a bolt, and the sleeve is further sleeved on the locking member 32, so that the locking member 32 cannot fall off from the fixing bracket 1.

In some possible embodiments, the number of the driving members 31 corresponds to the number of the locking members 32, i.e. one driving member 31 drives one locking member 32.

Specifically, the locking members 32 disposed in the first limiting holes 11 are oriented in the same direction, that is, the limiting blocks 322 are oriented in the same direction.

In some possible embodiments, the limiting block 322 is a long strip, and the length direction of the limiting block 322 is consistent with the length direction of the fixing bracket 1.

In some possible embodiments, the limit block 322 may abut against the battery box, and a surface of the limit block 322 abutting against the battery box is an inclined surface, so that when the limit block 322 rotates, the limit block 322 and the battery box are in interference fit instead of clearance fit.

Preferably, the limiting assembly 2 comprises a first limiting member 21, a second limiting member 22 and two third limiting members 23;

the first limiting member 21 and the third limiting member 23 are disposed on one of the connecting plates 12, the second limiting member 22 and the third limiting member 23 are disposed on the other connecting plate 12, and the two third limiting members 23 are disposed at an interval.

Specifically, it is right through setting up first locating part 21, second locating part 22 and third locating part 23 the battery box of vehicle carries on spacingly, and right the X direction and the Y direction of battery box retrain, and will first locating part 21 with third locating part 23 both set up different sizes, avoid spacing subassembly 2 is right the battery box is crossed the location, leads to the battery box can not install accurately on the fixed bolster 1.

In some possible embodiments, the fixed bracket 1 is a welding member, and the first limiting member 21, the second limiting member 22 and the third limiting member 23 are all welded and fixed to the fixed bracket 1.

Preferably, the first limiting member 21, the second limiting member 22 and the third limiting member 23 are all positioning pins, and the diameter of the first limiting member 21 is smaller than that of the third limiting member 23.

Specifically, be provided with on the battery box with the spacing hole of locking piece 32 matched with fourth and with the spacing hole of locating pin matched with third, the quantity in the spacing hole of third with the sum of first locating part 21, second locating part 22 with third locating part 23 equals, just the spacing hole of third is in the position that sets up on the battery box with first locating part 21, second locating part 22 box third locating part 23 is corresponding respectively, every promptly all be provided with a locating part in the spacing hole of third.

Specifically, the third limiting hole is a conical pin hole, and the fourth limiting hole is a long hole; the structure of the second limiting part 22 is different from the structure or size of the third limiting part 23, so that the battery box is prevented from being assembled at a wrong position; the third limiting member 23 is in interference fit with the third limiting hole, and the first limiting member 21 is in clearance fit with the third limiting hole.

Specifically, the first limiting part 21, the second limiting part 22 and the third limiting part 23 are all positioning pins, and the tops of the positioning pins are of an inclined plane structure, so that the positioning pins can play a role in installation guiding when the battery box is installed.

In other possible embodiments, the limiting assembly 2 includes a first limiting member 21 and two third limiting members 23, and the diameter of the first limiting member 21 is smaller than the diameter of the third limiting members 23; the first limiting parts 21 and the two third limiting parts are arranged at intervals, and the two third limiting parts are centrosymmetric along the center of the fixed bracket 1.

Preferably, the number of the driving members 31 corresponds to the number of the locking members 32, and one driving member 31 is connected to one locking member 32.

Preferably, the fixing bracket 1 further comprises at least two second limiting holes 13;

the length directions of the two second limiting holes 13 are consistent.

Specifically, the locking members 32 disposed in the second limiting holes 13 are oriented in the same direction, that is, the limiting blocks 322 are oriented in the same direction.

In some possible embodiments, the limiting block 322 is a long strip, and the length direction of the limiting block 322 is consistent with the width direction of the fixing bracket 1.

Specifically, the limiting block 322 of the locking member 32 can be disposed in the fourth limiting hole of the battery box, so that the locking member 32 locks the battery box.

Specifically, the first limiting hole 11 and the second limiting hole 13 are fourth limiting holes; the diameter of the connecting rod 321 is smaller than the width of the first limiting hole 11, and the diameter of the connecting rod 321 is smaller than the width of the second limiting hole 13.

In this embodiment, the diameter of the connecting rod 321 is slightly smaller than the width of the first position-limiting hole 11 or the width of the second position-limiting hole 13.

In some possible embodiments, the fixing bracket 1 is an elongated frame, and the fixing bracket 1 includes two second limiting holes 13 disposed along the length direction of the fixing bracket 1, two connecting plates 12 disposed along the width direction of the fixing bracket 1, and two first limiting holes 11 disposed along the width direction of the fixing bracket 1.

Specifically, the second limiting hole 13, the first limiting hole 11, the connecting plate 12, the other first limiting hole 11 and the other second limiting hole 13 are sequentially arranged along the length direction of the fixing bracket 1; wherein the first and second stopper holes 11 and 13 are not communicated with each other.

In some possible embodiments, the length of the first limiting hole 11 is equal to the length of the connecting plate 12.

Preferably, a shock absorbing member 14 is further disposed on one side of the fixing bracket 1, and the height of the shock absorbing member 14 is smaller than that of the limiting assembly 2.

Specifically, one side of the fixed bracket 1 is provided with a plurality of the shock absorbing members 14, the other side of the fixed bracket is provided with the driving member, and the driving member is fixed on the fixed bracket 1; the heights of the shock absorbing pieces 14 are equal, the shock absorbing pieces 14 are arranged on the fixed support 1 at intervals, the shock absorption of the battery box is fully achieved, and the flatness of the fixed support is guaranteed.

Specifically, the material of the shock absorbing member 14 may be rubber, nylon, or the like.

The process of fixing the battery box by the battery box fixing device comprises the following steps: when the battery box is required to be fixed on the battery box fixing device, the limiting assembly 2 is used for limiting the X direction and the Y direction of the battery box, after the battery box is installed in place, the locking piece 32 on the fixing support 1 is rapidly rotated by 90 degrees by controlling the rotation of the motor, the battery box can be locked on the fixing support 1 in the Z direction, and the locking state of the battery box can be realized; when the battery box needs to be disassembled, the motor is controlled to rotate by 90 degrees continuously, and the locking state of the battery box can be released.

the battery box is provided with a third limiting hole and a fourth limiting hole, one end of the locking piece 32 is arranged in the fourth limiting hole, and one end of the limiting component 2 is arranged in the third limiting hole, so that the battery box can be fixedly connected with the battery box fixing device.

The process of installing the battery box on the vehicle is as follows: hoisting the battery box to the upper part of the fixed support 1 by using a hoisting mechanism, and installing and guiding the battery box through a third limiting hole of the battery box and the limiting assembly 2 on the fixed support 1, and a long hole at the bottom of the battery box and an inclined plane structure at the upper part of the locking piece 32 on the fixed support 1; the battery box is hoisted and seated along the limiting component 2 on the fixing support 1, and the damping piece 14 is arranged on the fixing support 1, so that the seating impact force of the battery box can be relieved when the battery box is seated; the battery box is seated to complete the output of a locking signal at the vehicle end, and the motor receives the signal and rotates the locking piece 32 to a locking state through rotation, so that the battery box is locked.

Although the present invention has been described by way of preferred embodiments, the present invention is not limited to the embodiments described herein, and various changes and modifications may be made without departing from the scope of the present invention.

In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.

The embodiments and features of the embodiments described herein above can be combined with each other without conflict.

While the invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not to be limited to the disclosed embodiment, but on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

Claims

1. The battery box fixing device is characterized by comprising a fixing support (1), a limiting assembly (2) and at least two locking assemblies (3);

the limiting assembly (2) is arranged on one side of the fixed support (1), and the limiting assembly (2) is used for limiting a battery box of a vehicle;

the locking assembly (3) comprises a driving piece (31) and a locking piece (32); the driving piece (31) and the locking piece (32) are both connected with the fixed bracket (1); the driving end of the driving piece (31) is connected with the locking piece (32), the driving piece (31) is used for driving the locking piece (32) to rotate, and the locking piece (32) is used for fixing a battery box of a vehicle on the fixed support (1).

2. A battery box fixing device according to claim 1, characterized in that the fixing bracket (1) comprises at least two first limiting holes (11) and at least two connecting plates (12);

the two first limiting holes (11) are arranged at intervals, and at least one locking piece (32) is arranged in each first limiting hole (11);

the two connecting plates (12) are arranged at intervals, and the limiting assemblies (2) are arranged on the connecting plates (12).

3. A battery box fixing device according to claim 2, characterized in that two said locking members (32) are provided in said first limiting hole (11).

4. The battery box fixing device as claimed in claim 2, wherein the locking member (32) comprises a connecting rod (321) and a limiting block (322), and the limiting block (322) can be clamped with the first limiting hole (11); one end of the connecting rod (321) is connected with the limiting block (322), and the other end of the connecting rod (321) is connected with the driving piece (31) of the driving piece (31).

5. The battery box fixing device according to claim 2, wherein the limiting assembly (2) comprises a first limiting member (21), a second limiting member (22) and two third limiting members (23);

the first limiting part (21) and the third limiting part (23) are arranged on one connecting plate (12), the second limiting part (22) and the third limiting part (23) are arranged on the other connecting plate (12), and the two third limiting parts (23) are arranged at intervals.

6. The battery box fixing device according to claim 5, wherein the first limiting member (21), the second limiting member (22) and the third limiting member (23) are positioning pins, and a diameter of the first limiting member (21) is smaller than a diameter of the third limiting member (23).

7. A battery box fixing device according to claim 1, characterized in that the number of said driving members (31) corresponds to the number of said locking members (32), one driving member (31) being connected to one locking member (32).

8. A battery box fixing device according to claim 2, characterized in that the fixing bracket (1) further comprises at least two second limiting holes (13);

the length directions of the two second limiting holes (13) are consistent.

9. The battery box fixing device is characterized in that a damping piece (14) is further arranged on one side of the fixing support (1), and the height of the damping piece (14) is smaller than that of the limiting assembly (2).

10. A vehicle comprising a battery box, a side member, and the battery box fixing device according to any one of claims 1 to 9, the battery box fixing device being connected to the side member;

the battery box is provided with a third limiting hole and a fourth limiting hole, one end of the locking piece (32) is arranged in the fourth limiting hole, and one end of the limiting component (2) is arranged in the third limiting hole, so that the battery box can be fixedly connected with the battery box fixing device.