CN215971629U

CN215971629U - A off-box dolly for walk-in high and low temperature box

Info

Publication number: CN215971629U
Application number: CN202122614207.6U
Authority: CN
Inventors: 代伟; 付垚; 蒋雯
Original assignee: SAIC CATL Power Battery System Co Ltd
Current assignee: SAIC CATL Power Battery System Co Ltd
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-03-08
Anticipated expiration: 2031-10-28

Abstract

The utility model relates to the technical field of power battery system testing, in particular to an out-of-box trolley for a walk-in high-low temperature box, which comprises a support trolley and a support frame, wherein the support frame is arranged above the support trolley and used for placing a battery pack; the upper support frame comprises an upper support plate and a support column fixed below the upper support plate, and the top of the lower support frame is provided with a mounting groove which is matched and connected with the support column; the bottom of supporting vehicle is equipped with the universal wheel, and the top is equipped with two at least guide rails that are parallel to each other simultaneously, and the bottom of lower carriage is equipped with and guide rail matched with, sets up two at least guide rail wheels on every guide rail. The utility model has simple structure, convenient use and high safety, can simultaneously test two battery packs, shortens the test period, and can effectively solve the technical problems of high test cost, long period, low safety, uneven heating or heat dissipation of the battery packs and the like in the conventional method.

Description

A off-box dolly for walk-in high and low temperature box

Technical Field

The utility model relates to the technical field of power battery system testing, in particular to an out-of-box trolley for a walk-in high-low temperature box.

Background

The influence of temperature on the performance of the battery is large, so that the constant temperature performance test of the power battery is often needed for accurately testing the performance of the power battery, and the actual working environment of the battery pack is simulated by controlling the temperature by using the temperature box. However, in most new energy battery testing laboratories, when a walk-in high-low temperature box is used for carrying out an environmental temperature simulation test on a battery pack, the battery pack is usually placed on a tray, and the tray on which the battery pack is placed in the walk-in high-low temperature box by a forklift. The method for completing the entering of the battery pack into the walk-in high-low temperature box through the forklift has the advantages that a fixed transfer route is omitted, the risk of falling and collision exists in the process of transferring the battery pack, only one battery pack can be placed for testing at one time, the requirement for testing multiple battery packs cannot be met in the same time under the condition that the testing requirement is high, the testing period is long, the utilization rate of the high-low temperature box is low, and the cost investment of the forklift and operators is required to be additionally increased. In addition, when the wood or plastic tray which is commonly used at present is placed on the bottom of the walk-in high-low temperature box, the uneven heating and heat dissipation conditions can occur at the top and the bottom of the battery pack.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides the out-of-box trolley for the walk-in type high and low temperature box, which has the advantages of simple structure, convenience in use and high safety, can be independently operated by a single person, can be used for simultaneously testing at least two battery packs, obviously shortens the testing period, improves the utilization rate of the walk-in type high and low temperature box, reduces the cost, and can effectively solve the technical problems of high testing cost, long testing period, low operation safety coefficient, easiness in damage of the battery packs during transportation, non-uniform heating or heat dissipation of the battery packs during testing and the like in the conventional method.

In order to achieve the technical purpose, the utility model adopts the following technical scheme:

the out-box trolley for the walk-in high and low temperature box comprises a support trolley and a support frame which is arranged above the support trolley and used for placing a battery pack, wherein the support frame comprises a lower support frame arranged above the support trolley and an upper support frame detachably arranged above the lower support frame, and at least one group of upper support frames are arranged;

the upper support frame comprises an upper support plate and a support column fixed below the upper support plate, and the top of the lower support frame is provided with a mounting groove which is matched and connected with the support column; the bottom of supporting vehicle is equipped with the universal wheel, and the top is equipped with two at least guide rails that are parallel to each other simultaneously, the bottom of under bracing frame be equipped with guide rail matched with, set up two guide rail wheels on every guide rail at least.

Through the technical scheme, the upper support frame is detachably connected with the lower support frame, and the number of layers of the support frame can be selected according to the use requirement of the test quantity of the battery pack; the lower support frame can slide along the guide rail through the guide rail wheel, and the dolly enters into step-in high low temperature incasement portion, and through promoting the relative supporting vehicle of support frame and slide, the support frame that will place the battery package shifts to high low temperature incasement portion from the supporting vehicle and tests.

Furthermore, a locking mechanism is arranged on the supporting trolley and used for limiting the supporting trolley to move relative to the ground, so that the trolley is prevented from sliding, and the operation safety is improved.

Further, locking mechanism includes connecting plate, locking piece, locking footboard and unblock footboard, the connecting plate links to each other with the supporting vehicle, unblock footboard with the connecting plate links to each other and can stretch out and draw back the activity from top to bottom in the inside of connecting plate, the locking footboard is used for controlling the locking piece slides down and the butt is subaerial, the unblock footboard is used for controlling the locking piece upwards retracts back to inside the connecting plate. When the trolley moves to a proper position, the locking pedal is pressed, the locking block is controlled to extend downwards to abut against the ground, and the position of the trolley is locked; when the trolley needs to be pushed, the unlocking pedal is stepped to control the locking block to retract upwards and then move the trolley.

Furthermore, a plurality of heat dissipation holes are formed in the lower supporting plate in the lower supporting frame and the upper supporting plate in the upper supporting frame, so that the upper surface and the lower surface of the battery pack can conduct heat and dissipate heat uniformly.

Further, lower backup pad and last backup pad all adopt insulating material to make, reduce electrically conductive risk.

Furthermore, the front end of the guide rail is provided with a positioning probe, and the positioning probe is used for positioning when the trolley is pushed into the walk-in high-low temperature box and detecting the movement distance of the trolley.

Furthermore, the rear end of the guide rail is provided with a handrail frame, so that the push-pull operation of an operator is facilitated.

Furthermore, lifting lugs are symmetrically arranged at the corner positions of the top of the upper support frame and used for hanging the upper support frame of the aerial crane to be installed or detached.

Furthermore, the middle part of the guide rail is upwards protruded and is in clamping fit with the concave part on the surface of the guide rail wheel, so that the movement path of the upper support frame is oriented, and the stability of the upper support frame on the support vehicle is improved.

The beneficial effects of the trolley outside the box for the walk-in high-low temperature box provided by the utility model are as follows:

the trolley outside the box provided by the utility model has the advantages of simple structure, safety and convenience in use, capability of being independently operated by a single person, capability of simultaneously testing at least two battery packs by arranging the upper support frame and the lower support frame which are detachably connected, obviously shortened testing period and improved utilization rate of the walk-in high-low temperature box. Through setting up locking mechanism and location probe to and through guide rail sliding connection between lower carriage and the supporting vehicle, the track route of fixed trolley motion and the transfer route of support frame avoid the battery package to collide with the damage in the transfer process, improve the operation security. Through set up a plurality of louvres on bottom suspension fagging and last backup pad, guarantee in the test process battery package thermally equivalent or the heat dissipation.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic perspective view of an outside carriage for a walk-in cryostat according to the present invention;

FIG. 2 is a schematic perspective view of the support cart of the present invention;

FIG. 3 is a schematic perspective view of the lower support frame of the present invention;

FIG. 4 is a schematic perspective view of the upper support frame of the present invention;

fig. 5 is a schematic perspective view of the locking mechanism of the present invention.

The reference numbers in the figures illustrate: 100. supporting the vehicle; 101. a universal wheel; 102. a locking mechanism; 1. a connecting plate; 2. a locking block; 3. a lock-up pedal; 4. an unlocking pedal; 103. a guide rail; 104. positioning the probe; 105. a handrail frame; 110. a lower support frame; 111. a guide rail wheel; 112. heat dissipation holes; 113. a lower support plate; 114. mounting grooves; 120. an upper support frame; 121. a support pillar; 122. lifting lugs; 123. and an upper support plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings, 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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

As shown in fig. 1, the cart outside the box for the walk-in type high and low temperature box provided in the present embodiment includes a support cart 100 and a support frame installed above the support cart 100 for placing a battery pack, wherein the support frame is composed of a lower support frame 110 installed above the support cart 100 and an upper support frame 120 detachably installed above the lower support frame 110. As shown in fig. 2 and 3, the bottom of the support cart 100 is provided with universal wheels 101, the top is provided with two parallel guide rails 103 to define the moving direction of the lower support frame 110, the bottom of the lower support frame 110 is provided with guide rails 103, and each guide rail 103 is provided with two guide rail wheels 111. As shown in fig. 1, the middle portion of the guide rail 103 protrudes upward and is engaged with the recessed portion of the surface of the rail wheel 111, so as to orient the moving path of the upper support frame 120 and improve the stability of the upper support frame 120 on the supporting vehicle 100.

As shown in fig. 3 and 4, the upper support frame 120 includes an upper support plate 123 and four support columns 121 fixed below the upper support plate 123. Be equipped with the mounting groove 114 of being connected with support column 121 mutually supporting at the top of lower carriage 110, the bottom of support column 121 is equipped with the oblique angle, conveniently pegs graft the inside of mounting groove 114 on lower carriage 110 and cooperate the connection. The lower support plate 113 in the lower support frame 110 and the upper support plate 123 in the upper support frame 120 are both made of insulating materials, and a plurality of heat dissipation holes 112 are formed in the lower support plate and the upper support plate, so that the upper surface and the lower surface of the battery pack can be uniformly heat-conducting and heat-dissipating. Lifting lugs 122 are arranged at four corner positions at the top of the upper support frame 120 and are used for hanging the upper support frame 120 of the aerial crane for installation or disassembly.

As shown in fig. 2, the supporting cart 100 is provided with a locking mechanism 102 for limiting the movement of the supporting cart 100 relative to the ground, so as to avoid the cart from sliding and improve the safety of the operation. As shown in fig. 5, the locking mechanism 102 includes a connecting plate 1, a locking block 2, a locking pedal 3, and an unlocking pedal 4, the connecting plate 1 is connected to the support vehicle 100, and the unlocking pedal 4 is connected to the connecting plate 1 and can be extended and retracted up and down inside the connecting plate 1. The locking pedal 3 is used for controlling the locking block 2 to slide downwards and abut against the ground, and the unlocking pedal 4 is used for controlling the locking block 2 to retract upwards to the inside of the connecting plate 1.

As shown in fig. 2, a positioning probe 104 is provided at the front end of the guide rail 103 (the end that enters the walk-in high and low temperature box first) to position the cart when it is pushed into the walk-in high and low temperature box, for detecting the moving distance of the cart. The rear end of the guide rail 103 is provided with an armrest frame 105, which is convenient for the push-pull operation of the operator.

When the trolley outside the box is used:

join in marriage upper bracket 120 and lower carriage 110 through the navigation hoist and mount and cooperate and be connected, hoist and mount the battery package that awaits measuring to upper bracket 120 and lower carriage 110 back, operating personnel can one promote dolly to step-in high and low temperature case, location in high and low temperature case is realized to location probe 104 through the guide rail 103 front end, then trample locking mechanism 102's locking footboard 3 and can realize the dolly locking, promote the support frame and pass through guide rail wheel 111 and slide along guide rail 103, push the support frame to the inside of high and low temperature case, trample down and pull out the dolly behind the unblock footboard 4.

The foregoing detailed description of the preferred embodiments of the utility model has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.

Claims

1. The out-of-box trolley for the walk-in high and low temperature box is characterized by comprising a support trolley (100) and a support frame which is arranged above the support trolley (100) and used for placing a battery pack, wherein the support frame comprises a lower support frame (110) arranged above the support trolley (100) and an upper support frame (120) detachably arranged above the lower support frame (110), and at least one group of upper support frames (120) is arranged;

the upper support frame (120) comprises an upper support plate (123) and a support column (121) fixed below the upper support plate (123), and the top of the lower support frame (110) is provided with a mounting groove (114) which is matched and connected with the support column (121); the bottom of supporting vehicle (100) is equipped with universal wheel (101), and the top is equipped with two at least guide rails (103) that are parallel to each other simultaneously, the bottom of lower carriage (110) be equipped with guide rail wheel (111) of guide rail (103) matched with, set up two guide rail wheels (111) on every guide rail (103) at least.

2. The cart for walk-in high and low temperature cabinets of claim 1, wherein said support cart (100) is provided with a locking mechanism (102) for limiting movement of said support cart (100) relative to the ground.

3. The outdoor trolley for the walk-in high and low temperature box is characterized in that the locking mechanism (102) comprises a connecting plate (1), a locking block (2), a locking pedal (3) and an unlocking pedal (4), the connecting plate (1) is connected with a supporting trolley (100), the unlocking pedal (4) is connected with the connecting plate (1) and can stretch up and down in the connecting plate (1), the locking pedal (3) is used for controlling the locking block (2) to slide downwards and abut against the ground, and the unlocking pedal (4) is used for controlling the locking block (2) to retract upwards into the connecting plate (1).

4. The outdoor trolley for the walk-in high and low temperature box according to claim 1, wherein a plurality of heat dissipation holes (112) are formed on the lower support plate (113) in the lower support frame (110) and the upper support plate (123) in the upper support frame (120).

5. The cart for walk-in high and low temperature cabinets of claim 4, wherein said lower support plate (113) and said upper support plate (123) are made of insulating material.

6. The carriage as claimed in claim 1, characterized in that the guide rail (103) is provided at its front end with a positioning probe (104).

7. The outside box trolley for walk-in high and low temperature boxes according to claim 1, wherein the rear end of the guide rail (103) is provided with a handrail frame (105).

8. The outdoor trolley for the walk-in high and low temperature box as claimed in claim 1, wherein the upper support frame (120) is symmetrically provided with lifting lugs (122) at the top corners.

9. The cart of claim 1, wherein the middle portion of the rail (103) is upwardly convex and is engaged with the concave portion of the surface of the rail wheel (111).