Device for tensile test of side plate of power battery module

Abstract

The utility model belongs to the technical field of test equipment, particularly relates to a device for a tensile test of a side plate of a power battery module, and aims to solve the problems that an existing device can only carry out tensile forces in horizontal and vertical directions, is small in test range and cannot carry out tensile tests at different angles. In order to solve the problems that in the prior art, the clamping position is inconvenient to control in the placing process of a side plate, according to the scheme, the clamping device comprises a workbench, the top of the workbench is provided with a first connecting base and a second connecting base, the first connecting base and the second connecting base are both in a concave shape, and the side edge is used for positioning the side plate; the two clamping assemblies are arranged on the first connecting base and the second connecting base correspondingly and used for fixing the side plate in the first connecting base and the second connecting base, and accurate positioning and stable clamping of the side plate are achieved by designing the concave connecting base and the clamping assemblies; by combining the first driving assembly and the second driving assembly, the stretching test in the horizontal and inclined directions can be flexibly carried out, and diversified test requirements are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to test equipment technical field especially relates to a device for power battery module side plate tensile test. BACKGROUND

[0002] In the detection of power battery module, the tensile test of the welding performance of the module side plate is an essential detection, and the common tensile test equipment usually adopts the clamp to fix the side plate between two hydraulic cylinders, and then utilizes the hydraulic cylinder to stretch.

[0003] But the existing tensile test equipment can only carry out the horizontal and vertical tension, the test range is small, cannot carry out the tensile test of different angles, and the side plate is inconvenient to control the clamping position during placement. UTILITY MODEL CONTENT

[0004] The utility model discloses a device for power battery module side plate tensile test, which can carry out the tensile test of different angles, and the side plate is convenient to control the clamping position during placement.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A device for power battery module side plate tensile test, including the workbench, the top of workbench is equipped with first connecting seat and second connecting seat, first connecting seat and second connecting seat are all concave, and the side edge is used to position the side plate.

[0007] Two clamping components are arranged on the first connecting seat and the second connecting seat respectively, and are used to fix the side plate in the first connecting seat and the second connecting seat.

[0008] The first drive assembly is arranged on the workbench and is used to drive the first connecting seat to move and carry out horizontal direction tensile test.

[0009] The top of workbench is fixedly provided with two rotating seats, and the second connecting seat is rotatably arranged between the two rotating seats.

[0010] The second drive assembly is arranged on the workbench and is used to drive the second connecting seat to rotate in the two rotating seats and carry out inclined direction tensile test.

[0011] The top of workbench is fixedly provided with a protective shell, one side of the protective shell is reserved with a door opening, and two glass doors are hinged.

[0012] In a possible design, the two clamping assemblies each include a mounting plate fixedly arranged at the top of the first connecting seat and the second connecting seat, respectively, a plurality of first guide rods slidingly arranged at the top of the mounting plate, a pressing block fixedly arranged at the bottom of the plurality of first guide rods, a first waist-shaped hole formed at one side of the first connecting seat and the second connecting seat, a second waist-shaped hole formed at one side of the pressing block, a sliding rod slidingly arranged in the first waist-shaped hole and the second waist-shaped hole, and a spring sleeved on the outer wall of the first guide rod and fixedly connected with the top end outer wall of the first guide rod and the top of the mounting plate.

[0013] In a possible design, one side of the first connecting seat and the second connecting seat is fixedly provided with an electric push rod, and the output end of the electric push rod is connected with the corresponding sliding rod.

[0014] In a possible design, the first driving assembly includes a fixing seat fixedly arranged at the top of the workbench, a first hydraulic cylinder fixedly arranged at one side of the fixing seat, a sliding block fixedly arranged at the output end of the first hydraulic cylinder, and the first connecting seat fixedly arranged at the top of the sliding block.

[0015] In a possible design, one side of the fixing seat is slidingly provided with two second guide rods, and one end of each of the two second guide rods is fixedly connected with the sliding block.

[0016] In a possible design, the second driving assembly includes two support frames fixedly arranged at the top of the workbench, and the two support frames are each L-shaped and rotationally arranged with a same rotating ring therebetween, a second hydraulic cylinder fixedly arranged in the rotating ring, and the output end of the second hydraulic cylinder rotationally connected with the mounting plate on the second connecting seat.

[0017] Beneficial effects:

[0018] In the device, the stretching test of the side plate of the power battery module can be realized in two directions of horizontal and inclined directions, so that the mechanical properties and reliability of the side plate can be more comprehensively evaluated, the complex stress condition in actual use can be simulated, and it is ensured that the side plate can maintain good performance under various working conditions.

[0019] In the device, the precise positioning and stable clamping of the side plate can be realized through the concave first connecting seat and the second connecting seat and the cleverly designed clamping assembly, the sliding rod, the waist-shaped hole, the spring and the electric push rod and other elements in the clamping assembly are cooperated with each other, the firmness of clamping is ensured, the side plate can be quickly released, the test efficiency and accuracy are improved, and it is ensured that the forces of each position of the pressing block are uniform.

[0020] The utility model discloses, through design concave connecting seat and clamping component, realized the accurate positioning and steady clamping of side plate, in combination with first drive component and second drive component, can be flexible and carry out the tensile test of horizontal and inclined direction, satisfies the diversified test demand. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 A three-dimensional structure schematic view of the device for the tensile test of the side plate of the power battery module is provided in the utility model.

[0022] Figure 2 Another three-dimensional structure schematic view of the device for the tensile test of the side plate of the power battery module is provided in the utility model.

[0023] Figure 3 A clamping mechanism and connecting seat mounting structure schematic view of the device for the tensile test of the side plate of the power battery module is provided in the utility model.

[0024] Figure 4 A first connecting seat sectional structure schematic view of the device for the tensile test of the side plate of the power battery module is provided in the utility model.

[0025] In the drawing: 1, workbench;2, protective shell;3, glass door;4, fixed seat;5, first hydraulic cylinder;6, sliding block;7, first connecting seat;8, rotating seat;9, second connecting seat;10, support frame;11, rotating ring;12, second hydraulic cylinder;13, mounting plate;14, first guide rod;15, spring;16, first waist type hole;17, electric push rod;18, pressing block;19, second waist type hole;20, sliding rod;21, second guide rod. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0027] Embodiment 1

[0028] Reference Figures 1-4A kind of experimental device, comprising: workbench 1 (material: Q235B structural steel, size 1500 × 800 × 800mm), the top of workbench 1 is fixedly provided with protective shell 2 (frame: Q235B square tube, transparent part: 8mm tempered laminated glass), one side of protective shell 2 is reserved with door hole, and two glass doors 3 (containing infrared safety sensor) are hinged, to facilitate observation and operation test process.In the top of workbench 1, first connecting seat 7 and second connecting seat 9 (material: 45# steel, quenching and tempering HRC28-32) are provided, both are concave design, and the side of power battery module is accurately positioned using side.

[0029] In order to realize the stable clamping of side plate, clamping assembly is arranged on the two connecting seats respectively.Specifically, the top of first connecting seat 7 and second connecting seat 9 is fixedly provided with mounting plate 13.The top of mounting plate 13 is slidably provided with a plurality of first guide rods 14 (material: 304 stainless steel, diameter 12mm), and the bottom of guide rod 14 is fixedly connected with pressing block 18 (material: 40Cr, HRC45-50), for extruding and fixing side plate.

[0030] In addition, the side of first connecting seat 7 and second connecting seat 9 is provided with first waist-shaped hole 16, and the side of pressing block 18 is provided with second waist-shaped hole 19 arranged obliquely.In first waist-shaped hole 16 and second waist-shaped hole 19, a sliding rod 20 is arranged, and the further stable control of pressing block 18 can be realized by the cooperation of sliding rod 20 and waist-shaped hole, so that the uniform stress of each position of pressing block 18 can be ensured.In order to drive sliding rod 20 to move, and then drive pressing block 18 to clamp side plate, the side of first connecting seat 7 and second connecting seat 9 is further fixedly provided with electric push rod 17, and the output end of electric push rod 17 is connected with corresponding sliding rod 20.

[0031] In order to carry out horizontal direction tensile test, first driving assembly is arranged.Specifically, the top of workbench 1 is fixedly provided with fixed seat 4 (material: Q235B), and first hydraulic cylinder 5 is fixedly arranged on the side of fixed seat 4.The output end of first hydraulic cylinder 5 is fixedly connected with a sliding block 6, and first connecting seat 7 is fixedly arranged on the top of sliding block 6.When first hydraulic cylinder 5 works, sliding block 6 and first connecting seat 7 are pushed to move away from second connecting seat 9 along horizontal direction, so that horizontal tensile test of side plate is realized.

[0032] In order to carry out the inclined direction of the tensile test, a second driving assembly is also provided. Specifically, the top of the workbench 1 is fixedly provided with two support frames 10, both of which are L-shaped and are jointly rotatably provided with a rotating ring 11 (material: 42CrMo). The inner through hole of the rotating ring 11 is fixedly provided with a second hydraulic cylinder 12, and the output end of the second hydraulic cylinder 12 is rotatably connected with the mounting plate 13 on the second connecting seat 9. When the second hydraulic cylinder 12 works, it will push the second connecting seat 9 to rotate around the axis of the rotating seat 8, so as to realize the inclined tensile test of the side plate. In addition, the top of the workbench 1 is also fixedly provided with two rotating seats 8, and the second connecting seat 9 is rotatably arranged between the two rotating seats 8, so as to further ensure the smooth progress of the inclined tensile test.

[0033] The present application can be used in the field of test equipment, and can also be used in other fields applicable to the present application.

[0034] Embodiment 2

[0035] Reference Figures 1-4 On the basis of improving embodiment 1: a device for tensile test of power battery module side plate, which is applied to the field of test equipment, in order to ensure the stable movement of the pressing block 18, the outer wall of the first guide rod 14 is sleeved with a spring 15 (60Si2MnA, elastic coefficient 60N / mm), and the two ends of the spring 15 are fixedly connected with the top outer wall of the first guide rod 14 and the top of the mounting plate 13 respectively.

[0036] In order to ensure the fixation of side plates with different thicknesses, a plurality of pressing plates with different thicknesses can be inserted at the bottom of the pressing block 18, and the bottom of the pressing plate is provided with anti-skid lines.

[0037] In order to ensure the stable movement of the sliding block 6, two second guide rods 21 are also slidably arranged on one side of the fixed seat 4, and one end of each of the two second guide rods 21 is fixedly connected with the sliding block 6.

[0038] In the present application, when in use, the side plate is placed on the first connecting seat 7 and the second connecting seat 9, and then the electric push rod 17 is started to extend. During the extension process, the sliding rod 20 can be moved in the first waist-shaped hole 16. During the movement of the sliding rod 20, the pressing block 18 can be moved downward by using the second waist-shaped hole 19, and the two ends of the side plate can be fixed on the first connecting seat 7 and the second connecting seat 9 respectively;

[0039] Then the first hydraulic cylinder 5 is started to retract, which can drive the sliding block 6 to move towards the fixed seat 4, and during the movement, the first connecting seat 7 moves away from the second connecting seat 9, so that the tensile test of the side plate can be carried out, until the side plate breaks, and then the pressure of the first hydraulic cylinder 5 is recorded;

[0040] When the stretching test of different angles is needed, the side plate is fixed in the first connecting seat 7 and the second connecting seat 9 by the above method, then the second hydraulic cylinder 12 is started to retract, the second connecting seat 9 can rotate in the two rotating seats 8 during the retraction of the second hydraulic cylinder 12, the side plate can be subjected to the oblique stretching test during the rotation, until the side plate is broken, then the pressure of the second hydraulic cylinder 12 is recorded.

[0041] However, as known by those skilled in the art, the working principle and wiring method of the electric push rod 17 are common, which all belong to conventional means or common general knowledge, and will not be described here again, and those skilled in the art can make any selection according to the needs or convenience.

[0042] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A device for power battery module side plate tensile test, characterized in that, The utility model provides a kind of test device for lateral plate, including workbench (1), the top of workbench (1) is equipped with first connecting seat (7) and second connecting seat (9), first connecting seat (7) and second connecting seat (9) are concave, with side edge to side plate positioning; Two clamping components are arranged on the first connecting seat (7) and the second connecting seat (9) respectively, for fixing the side plate in the first connecting seat (7) and the second connecting seat (9); A first drive assembly is arranged on the workbench (1) for driving the first connecting seat (7) to move and perform horizontal direction tensile test; The top of the workbench (1) is fixedly provided with two rotating seats (8), and the second connecting seat (9) is rotatably arranged between the two rotating seats (8); A second drive assembly is arranged on the workbench (1) for driving the second connecting seat (9) to rotate in the two rotating seats (8) and perform inclined direction tensile test; The top of the workbench (1) is fixedly provided with a protective shell (2), one side of the protective shell (2) is provided with a door opening, and two glass doors (3) are hingedly connected.

2. The device for power battery module side plate tension test according to claim 1, characterized in that, Both clamping components include a mounting plate (13), and the mounting plate (13) is fixedly arranged on the top of the first connecting seat (7) and the second connecting seat (9) respectively, a plurality of first guide rods (14) are slidably arranged on the top of the mounting plate (13), a pressing block (18) for pressing the side plate is fixedly arranged on the bottom of the plurality of first guide rods (14), a first waist-shaped hole (16) is formed on one side of the first connecting seat (7) and the second connecting seat (9), a second waist-shaped hole (19) is formed on one side of the pressing block (18) at an inclined angle, a sliding rod (20) is arranged in the first waist-shaped hole (16) and the second waist-shaped hole (19), a spring (15) is sleeved on the outer wall of the first guide rod (14), and both ends of the spring (15) are fixedly connected with the top outer wall of the first guide rod (14) and the top of the mounting plate (13) respectively.

3. The device for power battery module side plate tension test according to claim 2, characterized in that, An electric push rod (17) is fixedly arranged on one side of the first connecting seat (7) and the second connecting seat (9), and the output end of the electric push rod (17) is connected with the corresponding sliding rod (20).

4. The device for power battery module side plate tension test according to claim 1, characterized in that, The first drive assembly includes a fixed seat (4) fixedly arranged on the top of the workbench (1), a first hydraulic cylinder (5) is fixedly arranged on one side of the fixed seat (4), a sliding block (6) is fixedly arranged on the output end of the first hydraulic cylinder (5), and the first connecting seat (7) is fixedly arranged on the top of the sliding block (6).

5. The device for power battery module side plate tension test according to claim 4, characterized in that, Two second guide rods (21) are slidably arranged on one side of the fixed seat (4), and one end of each of the two second guide rods (21) is fixedly connected with the sliding block (6).

6. The device for stretching test of side plate of power battery module according to any one of claims 1-5, characterized in that, The second drive assembly includes two support frames (10) fixedly arranged on the top of the workbench (1), each of the two support frames (10) is L-shaped, a rotating ring (11) is rotatably arranged between the two support frames (10), a second hydraulic cylinder (12) is fixedly arranged in the rotating ring (11), and the output end of the second hydraulic cylinder (12) is rotatably connected with the mounting plate (13) on the second connecting seat (9).

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