Compression tool for airtight detection of energy storage battery pack

Abstract

The utility model discloses an airtight detection pressing tool for an energy storage battery pack. The airtight detection pressing tool comprises a main frame body, a pressing main body plate is assembled and connected below the middle position of the main body frame; clamping plates which are distributed in a state perpendicular to the main frame body are assembled at the four vertex angle positions of the main frame body; the clamping plates are fixedly connected with the main frame body through top plate body parts, and the bottom plate body part of each clamping plate is provided with a limiting block and a fixing pin; the limiting blocks are L-shaped structural parts and are assembled and connected to the inner sides of the clamping plates through bolts; the fixing pins are located below the limiting blocks, and pin shafts of the fixing pins extend to the inner sides of the clamping plates. According to the utility model, the battery pack box body can be compressed and fixed together, and the compression main body plate provides a larger contact area, so that the deformation minimization of the battery pack box body in the airtight test process is ensured, and the appearance quality and the structural integrity of the battery pack and the box body are ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to a compression tool, especially to a compression tool for air tightness detection of energy storage battery pack. BACKGROUND

[0002] In the whole package air tightness detection operation of the energy storage battery pack, the whole package needs to be inflated by the air tightness detector, and the inflation pressure is about 4kPa. Because the overall length of the battery pack is relatively long, the battery pack cover will swell under the pressure environment of the air tightness detection. If there is no effective compression and fixation measure during the detection process, the pressure on the cover will exceed the elastic limit of the material, which will cause the cover to deform, not only affecting the appearance quality and structural integrity of the battery pack and the box, but also damaging the sealing performance of the battery pack, resulting in safety hazards in the subsequent use of the battery pack, and there is a certain risk of economic loss. UTILITY MODEL CONTENTS

[0003] In order to solve the above technical problems, the utility model provides a compression tool for air tightness detection of energy storage battery pack.

[0004] In order to solve the above technical problems, the utility model adopts the technical scheme of: a compression tool for air tightness detection of energy storage battery pack, which comprises a main frame body;

[0005] A compression main plate is assembled and connected below the middle position of the main frame body;

[0006] Four clamping plates are assembled at the four top corner positions of the main frame body and are distributed in a perpendicular state with the main frame body;

[0007] The clamping plate is fixedly connected with the main frame body through the top plate body part, and a limiting block and a fixed pin are arranged at the bottom plate body part of each clamping plate;

[0008] The limiting block is an L-shaped structural member and is assembled and connected on the inner side of the clamping plate through bolts;

[0009] The fixed pin is located below the limiting block, and the pin shaft of the fixed pin extends to the inner side of the clamping plate.

[0010] As a preferred, the main frame body comprises a compression long beam, a compression short beam and a side limiting beam;

[0011] Two compression long beams are arranged in parallel, the compression short beam is connected between the two parallel arranged compression long beams, and the side limiting beam is connected at both ends of the two parallel arranged compression long beams.

[0012] As a preferred, the compression long beam and the compression short beam, and the compression long beam and the side limiting beam are fixedly connected through L-shaped connecting pieces and bolts.

[0013] As a preferred, the compression short beam is arranged in parallel with multiple.

[0014] The compression main body plate is assembled and connected below the compression long beam and the compression short beam by bolts.

[0015] As preferably, the clamping plates are symmetrically assembled and connected at both ends of the side limiting beams by bolts.

[0016] As preferably, a chamfer reinforcing piece is arranged at a position of a right angle clamped by the clamping plate and the side limiting beam.

[0017] As preferably, a lifting belt fixing ring is installed above the side limiting beam.

[0018] As preferably, a handle is installed above the side limiting beam.

[0019] As preferably, the limiting blocks are fixedly connected with the clamping plates by bolts.

[0020] Pin holes adapted to the fixed pins are formed on the clamping plates.

[0021] The utility model discloses a kind of energy storage battery pack air-tight detection compression tool, for the compression fixed use when energy storage battery pack air-tightness detection, under the joint action of main frame, compression main body plate, limiting block and solid phase pin, battery pack box body can be compressed and fixed together, and, compression main body plate provides larger contact area, ensure that the deformation of battery pack box body in air-tight test process minimization, to ensure the appearance quality and structural integrity of battery pack and box body. DRAWINGS

[0022] Figure 1 It is the overall structure perspective drawing of the utility model.

[0023] Figure 2 It is another view perspective drawing of the overall structure of the utility model.

[0024] Figure 3 It is Figure 2 Structure enlarged schematic view in A.

[0025] Figure 4 It is Figure 2 Structure enlarged schematic view in B.

[0026] Figure 5 It is the assembly schematic view of the compression tool and battery pack box body of the utility model.

[0027] In the drawing: 1, compression plate main body;2, compression long beam;3, compression short beam;4, side limiting beam;5, lifting belt fixing ring;6, clamping plate;7, limiting block;8, fixed pin;9, chamfer reinforcing piece;10, handle;11, L type connecting piece. DETAILED DESCRIPTION

[0028] The utility model discloses make further detailed explanation to the utility model below combining with the drawing and specific embodiment.

[0029] In view of the technical status that effective pressing fixing measures are lacked in the existing battery pack airtightness detection process, the utility model discloses a kind of energy storage battery pack airtight detection pressing tool, overall structure is as shown in Figure 1 And Figure 2 It includes main frame body, pressing main body plate 1 and the limiting mechanism at four corner positions;

[0030] Among them, main frame body as the main body support structure of this tool, including pressing long beam 2, pressing short beam 3 and side limiting beam 4;

[0031] As shown in Figure 1 And Figure 2 Pressing long beam 2 is provided with two, and pressing short beam 3 can be provided with multiple, and side limiting beam 4 is provided with two;

[0032] Two pressing long beams 2 are arranged in parallel, pressing short beam 3 is assembled and connected between the two parallel arranged pressing long beams 2, and two side limiting beams 4 are respectively connected at both ends of the two parallel arranged pressing long beams 2, so that the two side limiting beams 4 are also in parallel distribution state.

[0033] As preferred, to enable pressing long beam 2, pressing short beam 3 and side limiting beam 4 to be stably assembled and connected, to ensure the stability of the main structure of the pressing tool, as shown in Figure 2 And Figure 3 L-shaped connecting piece 11 and bolt are used for fixed connection at the connecting position of pressing long beam 2 and pressing short beam 3, and the connecting position of pressing long beam 2 and side limiting beam 4.

[0034] L-shaped connecting piece 11 realizes right-angle support, and then the L-shaped connecting piece 11 and the corresponding beam structure are locked and connected by bolt, so that the overall frame structure of main frame body is assembled.

[0035] Further, based on the setting of side limiting beam 4, the clamping plate 6 is symmetrically distributed at both ends of the side limiting beam 4, so that the clamping plate 6 is distributed at the four top corner positions of the main frame body and is distributed in perpendicular state with the main frame body.

[0036] The clamping plate 6 is specifically fixed and connected by bolt at the top plate body part and the side limiting beam 4 of the main frame body, so that the clamping plate 6 and the side limiting beam 4 can maintain stable perpendicular connection state, as shown in Figure 2 And Figure 4 The chamfer reinforcing piece 9 is arranged at the right-angle clamping angle position formed by the connection of the clamping plate 6 and the side limiting beam 4.

[0037] One end face of the chamfered reinforcing piece 9 contacts the side limiting beam 4 and the clamping plate 6, and is locked and connected through a bolt, so that the clamping plate 6 is assembled and fixed with the side limiting beam 4.

[0038] Meanwhile, the limiting block 7 and the fixing pin 8 are arranged at the bottom plate body part of each clamping plate 6;

[0039] The limiting block 7 is an L-shaped structural member and is assembled and connected at the inner side of the clamping plate 6 through a bolt, and specifically, the limiting block 7 is fixedly connected with the clamping plate 6 through a bolt;

[0040] As shown in the figure, Figure 4 The L-shaped structural member is adapted to the four top corners of the battery pack box body, so that good clamping and fixing are achieved.

[0041] The fixing pin 8 is located below the limiting block 7, the pin shaft of the fixing pin 8 extends to the inner side of the clamping plate 6, a pin hole is formed in the clamping plate 6 and is adapted to the fixing pin 8, and after the fixing pin 8 passes through the pin hole, the pin shaft can be inserted into the positioning hole reserved on the battery pack box body, so that the fixing of the battery pack box body by the pressing tool is further strengthened.

[0042] In addition, the lifting belt fixing ring 5 is installed above the side limiting beam 4, and the lifting belt fixing ring 5 cooperates with the side limiting beam 4.

[0043] Preferably, a handle 10 is further installed above the side limiting beam 4, so as to facilitate manual movement operation of the whole pressing tool.

[0044] As can be seen from the above, the air tightness detection pressing tool for the energy storage battery pack disclosed by the utility model is assembled through the lifting belt fixing ring 5, hoisting is realized, the clamping plates on four sides and the limiting blocks on four sides cooperate with the four top corners of the battery pack box body, the fixing pin cooperates with the positioning hole of the battery pack box body, the whole tool is clamped on the battery pack box body, the pressing plate main plate 1 can realize larger pressing contact area with the battery pack box body, and the generation of the box body deformation problem in the battery pack air tightness detection process can be effectively prevented, so as to maintain the appearance quality and structural integrity of the battery pack and the box body.

[0045] Furthermore, the air tightness detection pressing tool for the energy storage battery pack disclosed by the utility model has simple overall structure, high stability and reliability of the assembly and setting of the beams and the clamping plates and other structural members, has the advantages of convenient use and convenient installation, is suitable for production in a factory and meets the use requirement of flexible operation.

[0046] The above embodiment is not a limitation on the utility model, and the utility model is not limited to the above examples, and the changes, modifications, additions or replacements made by the person skilled in the art within the technical scheme range of the utility model also belong to the protection range of the utility model.

Claims

1. An energy storage battery pack airtightness detection pressing tool, characterized in that: It includes a main frame body; The lower part of the middle position of the main frame body is assembled and connected with a pressing main plate (1); The four top corner positions of the main frame body are assembled with clamping plates (6) distributed in a perpendicular state with the main frame body; The clamping plates (6) are fixedly connected with the main frame body through the top plate body parts, and a limiting block (7) and a fixed pin (8) are arranged on the bottom plate body part of each clamping plate (6); The limiting block (7) is an L-shaped structure and is assembled and connected on the inner side of the clamping plate (6) through bolts; The fixed pin (8) is located below the limiting block (7), and the pin shaft of the fixed pin (8) extends to the inner side of the clamping plate (6).

2. The energy storage battery pack airtightness detection pressing tool according to claim 1, characterized in that: The main frame body includes a pressing long beam (2), a pressing short beam (3), and a side limiting beam (4); The pressing long beam (2) is parallelly arranged in two, the pressing short beam (3) is connected between the two parallelly arranged pressing long beams (2), and the side limiting beam (4) is connected at both ends of the two parallelly arranged pressing long beams (2).

3. The energy storage battery pack airtightness detection pressing tool according to claim 2, characterized in that: The pressing long beam (2) and the pressing short beam (3), and the pressing long beam (2) and the side limiting beam (4) are fixedly connected through L-shaped connecting pieces (11) and bolts.

4. The energy storage battery pack airtightness detection pressing tool according to claim 2, characterized in that: The pressing short beam (3) is parallelly arranged in multiple; The pressing main plate (1) is assembled and connected below the pressing long beam (2) and the pressing short beam (3) through bolts.

5. The energy storage battery pack airtightness detection pressing tool according to claim 2 or 4, characterized in that: The clamping plates (6) are symmetrically assembled and connected at both ends of the side limiting beam (4) through bolts.

6. The energy storage battery pack airtightness detection pressing tool according to claim 5, characterized in that: An angle reinforcing piece (9) is arranged at the right angle position formed by the clamping plate (6) and the side limiting beam (4).

7. The energy storage battery pack airtightness detection pressing tool according to claim 5, characterized in that: A sling fixing ring (5) is installed above the side limiting beam (4).

8. The energy storage battery pack airtightness detection pressing tool according to claim 7, characterized in that: A handle (10) is also installed above the side limiting beam (4).

9. The energy storage battery pack airtightness detection pressing tool of claim 5, wherein: The limiting block (7) is fixedly connected with the clamping plate (6) through bolts; A pin hole is formed on the clamping plate (6) to adapt to the fixed pin (8).

Images