CN220137338U

CN220137338U - Test device

Info

Publication number: CN220137338U
Application number: CN202321542717.XU
Authority: CN
Inventors: 吴天宇; 蹇兴文; 王振园; 裴婷婷; 陈利权
Original assignee: Hubei Eve Power Co Ltd
Current assignee: Hubei Eve Power Co Ltd
Priority date: 2023-06-16
Filing date: 2023-06-16
Publication date: 2023-12-05
Anticipated expiration: 2033-06-16

Abstract

The utility model relates to the technical field of battery testing, and discloses a testing device which comprises a base, a limiting assembly and a supporting rod, wherein the limiting assembly is hinged to the base and is used for clamping and limiting a workpiece to be detected; a plurality of plug holes are formed in the base at intervals along the direction perpendicular to the rotation axis direction of the limiting assembly; one end of the supporting rod is hinged with the limiting component, and the other end of the supporting rod can be inserted into any one of the inserting holes so as to adjust the included angle between the limiting component and the base. One end of the supporting rod of the testing device is hinged with the limiting component, the other end of the supporting rod is inserted into the position of the inserting hole through adjustment, and then the included angle between the limiting component and the base is adjusted, so that the inclination angle of a workpiece is adjusted, different testing requirements are met, adjustment is convenient, and the consistency of testing working conditions is improved.

Description

Test device

Technical Field

The utility model relates to the technical field of battery testing, in particular to a testing device.

Background

In the process of testing the electrical performance of the power battery, the power battery has test requirements of working conditions at different placement positions so as to simulate the service condition of the power battery in the electric motor. In the prior art, a test fixture special for carrying out electrical test on a power battery is not available, in actual test, only a cushion block is added at the bottom of a general fixture, so that the power battery can achieve the purpose of inclination, when the power battery needs to be at different inclination angles in this way, the cushion blocks with different thicknesses are required to be added or different numbers of cushion blocks are required to be placed, the adjustment is inconvenient, and the consistency of test working conditions is poor.

Disclosure of Invention

The utility model aims to provide a testing device which solves the problems of inconvenient adjustment and poor consistency of testing working conditions when power batteries have different inclination angles in the prior art.

To achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a testing device which comprises a base, a limiting assembly and a supporting rod, wherein the limiting assembly is hinged to the base and is used for clamping and limiting a workpiece to be detected; a plurality of plug holes are formed in the base at intervals along the direction perpendicular to the rotation axis direction of the limiting assembly; one end of the supporting rod is hinged with the limiting component, and the other end of the supporting rod can be inserted into any one of the inserting holes so as to adjust the included angle between the limiting component and the base.

The testing device comprises a base, a limiting assembly and a supporting rod, wherein the limiting assembly is hinged to the base, the workpiece to be tested is clamped and limited through the limiting assembly, a plurality of inserting holes are formed in the base along the direction perpendicular to the rotation axis direction of the limiting assembly at intervals, one end of the supporting rod is hinged to the limiting assembly, the other end of the supporting rod is inserted into the position of the inserting hole through adjustment, the included angle between the limiting assembly and the base is adjusted, and accordingly the inclination angle of the workpiece is adjusted to meet different testing requirements, adjustment is convenient, and consistency of testing working conditions is improved.

As a preferred aspect of the above test device, the limiting assembly includes:

the support plate is hinged to the base, and one end of the support rod is hinged to the support plate; and

And the clamping plate is movably connected with the supporting plate through a fastener so as to clamp or loosen the workpiece.

The limiting component is movably connected with the clamping plate through the supporting plate, so that the workpiece is clamped and limited, and the limiting component is simple in structure and easy to prepare.

As a preferable scheme of the testing device, the limiting assembly further comprises a limiting blocking piece, and the limiting blocking piece is arranged at one end of the supporting plate, which is hinged with the base.

The setting of spacing fender piece can play the work piece supporting role, prevents that the work piece from taking place the landing when the backup pad inclines.

As a preferable scheme of the testing device, the clamping plate is provided with a mounting hole, the supporting plate is correspondingly provided with a threaded hole, and the fastener penetrates through the mounting hole to be in threaded connection with the threaded hole.

The connecting mode is simple and convenient to adjust.

As a preferable mode of the testing device, the circumference of the clamping plate and the circumference of the supporting plate are movably connected through a plurality of groups of fasteners.

The clamping plate is movably connected with the circumference of the supporting plate through a plurality of groups of fasteners, so that the workpiece can be firmly clamped, and the fixing effect is enhanced.

As a preferable scheme of the testing device, the limiting assembly is provided with two supporting rods at intervals along the direction parallel to the rotation axis of the limiting assembly, and the base is correspondingly provided with two groups of inserting holes.

The two support rods can stably support the limiting component.

As a preferable scheme of the testing device, two hinge seats are arranged at intervals along the direction parallel to the rotation axis of the limiting assembly at the bottom of the limiting assembly, and each supporting rod is correspondingly and rotatably connected with one hinge seat.

The bracing piece is through rotating with articulated seat to realize the articulated of bracing piece and spacing subassembly, the installation of bracing piece is made things convenient for in the setting of articulated seat.

As a preferable scheme of the testing device, one end of the base, which is hinged with the limiting assembly, is provided with a measuring angle plate, and an angle score line is arranged on the measuring angle plate.

The setting of measuring angle board can measure the rotation angle of spacing subassembly, measures the deflection angle of work piece promptly, accurate work piece's deflection angle.

As a preferable scheme of the testing device, the testing device further comprises a balancing weight, and the balancing weight is supported on the base.

The balancing weight plays a role in increasing weight of the testing device, and the testing device is prevented from tilting and turning on one's side.

As a preferable scheme of the testing device, the base is provided with a containing groove, and the balancing weight is arranged in the containing groove.

The accommodating groove is arranged to accommodate the balancing weight to provide space; but also can play a limiting role on the balancing weight.

The utility model has the beneficial effects that:

the testing device comprises a base, a limiting assembly and a supporting rod, wherein the limiting assembly is hinged to the base, the workpiece to be tested is clamped and limited through the limiting assembly, a plurality of inserting holes are formed in the base at intervals along the direction perpendicular to the rotation axis direction of the limiting assembly, one end of the supporting rod is hinged to the limiting assembly, the other end of the supporting rod is inserted into the inserting holes through adjusting the position of the inserting holes, and then the included angle between the limiting assembly and the base is adjusted, so that the inclination angle of the workpiece is adjusted, different testing requirements are met, and the consistency of testing working conditions is improved.

Drawings

FIG. 1 is a schematic diagram of a testing device according to the present utility model;

FIG. 2 is a schematic diagram of a test apparatus according to the present utility model;

fig. 3 is a schematic structural diagram of a testing device according to the present utility model.

In the figure:

1. a base; 11. a plug hole;

21. a support plate; 22. a clamping plate; 221. a mounting hole; 23. a fastener; 24. a limit stop; 25. a hinge base;

3. a support rod;

4. measuring angle plates;

5. balancing weight;

100. a workpiece.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

In the process of testing the electrical performance of the power battery, the power battery has test requirements of working conditions at different placement positions so as to simulate the service condition of the power battery in the electric motor. In the prior art, a test fixture special for carrying out electrical test on a power battery is not available, in actual test, only a cushion block is added at the bottom of a general fixture, so that the power battery can achieve the purpose of inclination, through the method, when the power battery needs to be at different inclination angles, cushion blocks with different thicknesses are required to be added or different numbers of cushion blocks are required to be placed, adjustment is inconvenient, and the consistency of test working conditions is poor.

In order to solve the above problems, as shown in fig. 1-3, the present embodiment provides a testing device, which includes a base 1, a limiting component and a supporting rod 3, wherein the limiting component is hinged to the base 1, and the limiting component is used for clamping and limiting a workpiece 100 to be tested; a plurality of plug holes 11 are arranged on the base 1 at intervals along the direction perpendicular to the rotation axis direction of the limiting component; one end of the supporting rod 3 is hinged with the limiting component, and the other end of the supporting rod 3 can be inserted into any insertion hole 11 to adjust an included angle between the limiting component and the base 1. During the use, peg graft in the position of spliced eye 11 through the other end of adjusting bracing piece 3, and then adjust the contained angle between spacing subassembly and the base 1 to adjust the inclination of work piece 100, with the test demand of adaptation difference, the operation is comparatively convenient, has improved the uniformity of test operating mode moreover.

Specifically, the limiting component comprises a supporting plate 21 and a clamping plate 22, the supporting plate 21 is hinged to the base 1, and one end of the supporting rod 3 is hinged to the supporting plate 21; the clamping plate 22 is movably connected with the support plate 21 by a fastener 23 to clamp or unclamp the workpiece 100. The limiting component is movably connected with the clamping plate 22 through the supporting plate 21, so that the workpiece 100 is clamped and limited, and the limiting component is simple in structure and easy to prepare.

Optionally, the clamping plate 22 is provided with a mounting hole 221, the supporting plate 21 is correspondingly provided with a threaded hole, and the fastener 23 passes through the mounting hole 221 and is in threaded connection with the threaded hole. The connecting mode is simple and convenient to adjust. Preferably, the clamping plate 22 and the supporting plate 21 are movably connected in the circumferential direction through a plurality of groups of fasteners 23, so that the workpiece 100 can be firmly clamped, and the fixing effect is enhanced. In other embodiments, the movable connection between the clamping plate 22 and the supporting plate 21 is not limited to the connection manner described above, and may be other manners as long as the workpiece 100 can be clamped and the clamping of workpieces 100 with different thicknesses can be adapted.

Preferably, the mounting hole 221 is a stepped hole, and the fastener 23 can extend into the mounting hole 221, so that the fastener 23 cannot protrude from one surface of the clamping plate 22, which faces away from the supporting plate 21, and the mounting hole is attractive in appearance, high in safety and capable of avoiding scratching operators.

In this embodiment, the clamping plate 22 and the supporting plate 21 are rectangular plates, a mounting hole 221 is formed in each of four vertex angle positions of the clamping plate 22, a threaded hole is formed in each of four vertex angle positions of the supporting plate 21, the fastening piece 23 is a bolt, the bolt passes through the mounting hole 221 to be in threaded connection with the corresponding threaded hole, and tightness degree of clamping the workpiece 100 is adjusted by adjusting the fastening degree of the threaded connection of the bolt and the threaded hole. In other embodiments, the clamping plate 22 and the support plate 21 are not limited to the above-described shapes, and may be adjusted according to specific use cases.

When clamping the workpiece 100, bolts are fastened by a diagonal force method, namely, two bolts on one diagonal are fastened to a certain extent, then the other two bolts on the diagonal are fastened to a certain extent, and then four bolts are uniformly fastened to force, so that the workpiece 100 is uniformly pressed.

Further, the limiting assembly further includes a limiting stopper 24, in this embodiment, the limiting stopper 24 is a stopper, and the stopper is disposed at one end of the supporting plate 21 hinged to the base 1, and can play a role in supporting the workpiece 100, so as to prevent the workpiece 100 from sliding down when the supporting plate 21 is inclined. The shape and size of the specific stopper may be set according to the need, and are not particularly limited herein, as long as a relatively stable stopper effect can be achieved on the workpiece 100.

In this embodiment, the support plate 21 is provided with two support rods 3 at intervals along the direction parallel to the rotation axis, and the base 1 is correspondingly provided with two groups of plug holes 11. The two support rods 3 can realize stable support to the support plate 21. In other embodiments, the support rods 3 are not limited to two groups, but may be three groups, four groups, etc., and may be adjusted according to the size and weight of the support plate 21 and the supported workpiece 100. The number of the groups of the plug holes 11 is the same as the number of the support rods 3, namely, each support rod 3 is correspondingly provided with a group of plug holes 11.

As shown in fig. 1 and 3, the bottom of the support plate 21 is provided with two hinge seats 25 at intervals in a direction parallel to the rotation axis thereof, and each support rod 3 is correspondingly rotatably connected to one hinge seat 25. The support rod 3 is rotatably connected with the hinge seat 25 so as to realize the hinge connection of the support rod 3 and the support plate 21, and the hinge seat 25 is convenient for the installation of the support rod 3.

In this embodiment, the hinge seat 25 is mounted on a center line of the support plate 21, and the center line is parallel to the rotation axis of the support plate 21, so that the movable range of the support rod 3 is within the range between the support plate 21 and the base 1, and a large space is avoided.

Preferably, the end of the base 1 hinged to the support plate 21 is provided with a protractor plate 4, and the protractor plate 4 is provided with an angle score line. The angle measuring plate 4 is arranged to measure the rotation angle of the support plate 21, namely the deflection angle of the workpiece 100, and the deflection angle of the workpiece 100 is accurate.

Preferably, the testing device further comprises a balancing weight 5, and the balancing weight 5 is supported on the base 1. The balancing weight 5 plays a role in increasing weight of the testing device, and the testing device is prevented from tilting and turning over due to the fact that the inclination angle of the workpiece 100 is large or the workpiece 100 is heavy. The shape and the size of the specific balancing weight 5 are selected according to the requirements.

Optionally, a receiving groove (not shown in the figure) is provided on the base 1, and the balancing weight 5 is placed in the receiving groove. The accommodating groove is arranged to accommodate the balancing weight 5 to provide space; but also can play a limiting role on the balancing weight 5.

In this embodiment, the testing device is used for playing a supporting role when testing the electrical performance of the power battery, so that the power battery is inclined to different inclination angles, so as to meet different testing requirements.

In use, the clamping plate 22 is detached (or the clamping plate 22 is loosened to the extent that the power battery can be put in), the power battery is put on the supporting plate 21, and the power battery is abutted against the limiting stopper 24;

then, the clamping plate 22 is covered on the power battery, a group of diagonal bolts are fastened to a certain degree, another group of diagonal bolts are fastened to a certain degree, and then four bolts are uniformly fastened with force, so that the clamping plate 22 and the supporting plate 21 clamp the power battery;

afterwards, the inclination angle of the supporting rods 3 is adjusted, that is, the positions of the inserting holes 11 into which the other ends of the supporting rods 3 are inserted are adjusted (the two supporting rods 3 are inserted into the corresponding inserting holes 11), so that the power battery is kept at the corresponding inclination angle (when the angle is adjusted, the inclination angle of the supporting plate 21 is observed through the observation angle plate 4, and then the inclination angle of the power battery is obtained), so that the electric test is conveniently performed.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. The testing device is characterized by comprising a base (1), a limiting assembly and a supporting rod (3), wherein the limiting assembly is hinged to the base (1) and is used for clamping and limiting a workpiece (100) to be detected; a plurality of plug holes (11) are formed in the base (1) at intervals along the direction perpendicular to the rotation axis direction of the limiting assembly; one end of the supporting rod (3) is hinged with the limiting component, and the other end of the supporting rod (3) can be inserted into any inserting hole (11) to adjust an included angle between the limiting component and the base (1).

2. The test device of claim 1, wherein the limit assembly comprises:

the support plate (21) is hinged to the base (1), and one end of the support rod (3) is hinged to the support plate (21); and

And the clamping plate (22) is movably connected with the supporting plate (21) through a fastener (23) so as to clamp or loosen the workpiece (100).

3. The test device according to claim 2, wherein the limit assembly further comprises a limit stop (24), the limit stop (24) being arranged at one end of the support plate (21) hinged to the base (1).

4. The testing device according to claim 2, wherein the clamping plate (22) is provided with a mounting hole (221), the supporting plate (21) is correspondingly provided with a threaded hole, and the fastener (23) passes through the mounting hole (221) to be in threaded connection with the threaded hole.

5. Testing device according to claim 2, characterized in that the clamping plate (22) and the support plate (21) are articulated in their circumferential direction by means of a plurality of sets of said fasteners (23).

6. The testing device according to any one of claims 1 to 5, wherein the limiting assembly is provided with two support rods (3) at intervals along a direction parallel to the rotation axis of the limiting assembly, and the base (1) is correspondingly provided with two groups of plug holes (11).

7. The testing device according to claim 6, wherein two hinge seats (25) are provided at intervals along a direction parallel to the rotation axis of the bottom of the limiting assembly, and each support rod (3) is correspondingly and rotatably connected to one hinge seat (25).

8. The testing device according to any one of claims 1-5, wherein an end of the base (1) hinged to the limiting assembly is provided with a measuring angle plate (4), and an angle score line is provided on the measuring angle plate (4).

9. The test device according to any one of claims 1-5, further comprising a weight (5), the weight (5) being supported on the base (1).

10. The testing device according to claim 9, characterized in that the base (1) is provided with a receiving groove, and the balancing weight (5) is placed in the receiving groove.