Impact resistance testing device for lithium battery power supply equipment

Abstract

The utility model discloses a lithium battery power supply equipment shock resistance testing device, which comprises a testing box body, the front surface of the testing box body is hinged with a protective door through a hinge, the inner bottom wall of the testing box body is fixedly connected with guide rods which are symmetrically distributed, one end of each guide rod is fixedly connected with the inner top wall of the testing box body, and the other end of each guide rod is fixedly connected with the testing box body. The outer surfaces of the two guide rods are slidably connected with mounting plates in a sleeving mode, the lower surfaces of the mounting plates are fixedly connected with adjusting bases, the inner walls of the two sides of each adjusting base are provided with adjusting rotating rods through bearings, and one end of each adjusting rotating rod penetrates through and extends to the surface of one side of the corresponding adjusting base. The impact block can be conveniently rotated, adjusted and limited, so that the power supply equipment can be conveniently subjected to impact test through a plurality of different impact surfaces of the impact block, the manual labor force is reduced, and the test efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of impact testing, in particular to an anti-impact testing device for lithium battery powered equipment. Background Art

[0002] Lithium battery is a primary battery with lithium metal or lithium alloy as negative electrode material and non-aqueous electrolyte solution. It is different from rechargeable lithium-ion battery and lithium-ion polymer battery. The inventor of lithium battery is Edison. Due to the very active chemical properties of lithium metal, the processing, storage and use of lithium metal have very high environmental requirements. Therefore, lithium battery has not been used for a long time. With the development of microelectronics technology at the end of the 20th century, the number of miniaturized devices has increased, which has put forward high requirements on power supply. Lithium battery has entered the large-scale practical stage. Lithium battery power supply equipment is to put lithium battery into power supply equipment so that the positive and negative poles of lithium battery contact the conductive plate to guide the current into the device that needs power supply. In order to ensure the safety of lithium battery in power supply equipment, it is necessary to conduct impact test on power supply equipment.

[0003] The existing impact test of power supply equipment usually involves dropping a heavy object under its gravity to perform a downward impact, and performing compression and puncture resistance tests on the power supply equipment through different structures under different heavy objects. This requires heavy objects of various structures to be replaced and tested alternately. The frequent replacement of heavy objects not only greatly increases the manual labor force, but also the overall replacement operation of the heavy objects is cumbersome, which seriously reduces the test efficiency. Utility Model Content

[0004] In view of the defects in the prior art, the utility model provides an impact test device for lithium battery powered equipment. By facilitating the rotation adjustment and limiting of the impact block, it is convenient to perform impact tests on the power supply equipment through multiple impact surfaces of the impact block, which not only reduces manual labor but also improves the test efficiency.

[0005] The utility model provides a lithium battery powered equipment impact test device, comprising a test box, a protective door is hingedly connected to the front of the test box through a hinge, the inner bottom wall of the test box is fixedly connected to guide rods that are symmetrically distributed, one end of two guide rods are fixedly connected to the inner top wall of the test box, the outer surfaces of the two guide rods are slidably sleeved with mounting plates, the lower surface of the mounting plate is fixedly connected to an adjustment seat, the inner walls on both sides of the adjustment seat are both installed with adjustment rotating rods through bearings, and one end of the adjustment rotating rod penetrates and extends to one side surface of the adjustment seat;

[0006] The outer surface of the adjusting rotating rod is provided with an impact surface switching device, and the impact surface switching device comprises an impact block, and the inner wall of the impact block is fixedly sleeved with the outer surface of the adjusting rotating rod.

[0007] Preferably, one side surface of the adjustment seat is provided with positioning holes distributed in a ring array, and the outer surface of one end of the adjustment rotating rod is provided with symmetrically distributed sliding grooves, and the inner wall of the sliding groove is slidably connected to a limiting slider.

[0008] Preferably, one end of the two limit sliding blocks is fixedly connected to an annular mounting block, the inner wall of the annular mounting block is movably sleeved with the outer surface of the adjusting rotating rod, and one side surface of the annular mounting block is fixedly connected to positioning rods distributed in an annular array.

[0009] Preferably, one end of the positioning rod is movably plugged into the inner wall of the positioning hole, the other side surface of the annular mounting block is fixedly connected to a driving handle, and the other side surface of the annular mounting block is fixedly connected to support springs distributed in a circular array.

[0010] Preferably, one end of each of the plurality of support springs is fixedly connected to a baffle, one side surface of the baffle is fixedly connected to one end of the adjusting rotating rod, and a mounting opening is provided on the upper surface of the test box.

[0011] Preferably, a guide wheel seat is fixedly mounted on the rear inner wall of the mounting opening, a fixing plate is fixedly connected to the upper surface of the test box, and a servo motor is fixedly mounted on one side surface of the fixing plate.

[0012] Preferably, the output shaft of the servo motor is fixedly mounted with a rotating shaft via a coupling, a reel is fixedly sleeved on the outer surface of the rotating shaft, a pull rope is wound around the inner wall of the reel, the outer surface of the pull rope is in sliding contact with the inner wall of the guide wheel seat, and one end of the pull rope is fixedly connected to the upper surface of the mounting plate.

[0013] The beneficial effects of the utility model are embodied in:

[0014] By setting up the impact surface switching device, it is achieved that the impact block can be easily rotated, adjusted and limited, so that it is convenient to perform impact tests on the power supply equipment through multiple different impact surfaces of the impact block, which not only reduces manual labor but also improves the test efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the specific implementation or the prior art description. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0016] Figure 1 This is a front view of a lithium battery powered equipment impact resistance testing device provided by the utility model;

[0017] Figure 2 for Figure 1 A three-dimensional diagram of the test box structure of a lithium battery powered device impact test device is shown;

[0018] Figure 3 for Figure 2 A three-dimensional diagram of the impact block structure of a lithium battery powered device impact resistance testing device;

[0019] Figure 4 for Figure 1 A three-dimensional diagram of the structure of an adjustment seat of a lithium battery powered device impact resistance test device;

[0020] Figure 5 for Figure 1 A three-dimensional diagram of the structure of an annular mounting block of a lithium battery powered device impact resistance testing device is shown.

[0021] In the attached drawings, 1. test box; 2. protective door; 3. guide rod; 4. mounting plate; 5. adjustment seat; 6. adjustment rotating rod; 7. impact block; 71. positioning hole; 72. slide groove; 73. limit slider; 74. annular mounting block; 75. positioning rod; 76. driving handle; 77. supporting spring; 78. baffle; 79. mounting port; 710. guide wheel seat; 711. fixing plate; 712. servo motor; 713. rotating shaft; 714. reel; 715. pull rope. DETAILED DESCRIPTION

[0022] The following embodiments of the technical solution of the utility model are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the utility model, and are therefore only used as examples, and cannot be used to limit the protection scope of the utility model.

[0023] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in this application should have the common meanings understood by technicians in the field to which the utility model belongs.

[0024] Reference Figure 1-5 , a lithium battery powered equipment impact test device, comprising a test box 1, the inner bottom wall of the test box 1 is provided with an anti-skid pad, the front of the test box 1 is hinged with a protective door 2 through a hinge, and a transparent observation window is provided in the protective door 2, the inner bottom wall of the test box 1 is fixedly connected with symmetrically distributed guide rods 3, one end of the two guide rods 3 is fixedly connected to the inner top wall of the test box 1, the outer surfaces of the two guide rods 3 are slidably sleeved with mounting plates 4, the guide rods 3 play a guiding role in the lifting and lowering movement of the mounting plates 4, the lower surface of the mounting plate 4 is fixedly connected with an adjustment seat 5, the inner walls on both sides of the adjustment seat 5 are installed with adjustment rotating rods 6 through bearings, and one end of the adjustment rotating rod 6 penetrates and extends to one side surface of the adjustment seat 5;

[0025] An impact surface switching device is provided on the outer surface of the adjusting rotating rod 6 , and the impact surface switching device includes an impact block 7 , and the inner wall of the impact block 7 is fixedly sleeved with the outer surface of the adjusting rotating rod 6 .

[0026] The locking cam 77 is secured to the locking cam 74 so that the locking cam 73 can be locked to the locking cam 71 by clamping the locking cam 74 in place.

[0027] One end of each of the plurality of support springs 77 is fixedly connected to a baffle 78, one side surface of the baffle 78 is fixedly connected to one end of the adjusting rotating rod 6, a mounting opening 79 is provided on the upper surface of the test box 1, a guide wheel seat 710 is fixedly installed on the rear inner wall of the mounting opening 79, a fixing plate 711 is fixedly connected to the upper surface of the test box 1, a servo motor 712 is fixedly installed on one side surface of the fixing plate 711, an output shaft of the servo motor 712 is fixedly installed with a rotating shaft 713 through a coupling, a reel 714 is fixedly sleeved on the outer surface of the rotating shaft 713, a pull rope 715 is wound around the inner wall of the reel 714, an outer surface of the pull rope 715 is in sliding contact with the inner wall of the guide wheel seat 710, one end of the pull rope 715 is fixedly connected to the upper surface of the mounting plate 4, the servo motor 712 rotates through the rotating shaft 713 and the reel 714, so as to drive the pull rope 715 to be wound, a guide wheel is provided in the guide wheel seat 710, so as to reduce friction when the pull rope 715 moves.

[0028] By providing an impact surface switching device, it is possible to facilitate rotation adjustment and position limiting of the impact block 7, thereby facilitating impact testing of the power supply equipment through a plurality of different impact surfaces of the impact block 7, which not only reduces manual labor but also improves the test efficiency.

[0029] Working principle: Step 1, during the test, place the power supply device inside the test box 1, then close the protective door 2 to prevent the power supply device from breaking and causing debris to splash, observe through the glass window on the protective surface, start the servo motor 712 to drive the rotating shaft 713 to rotate clockwise, the rotation of the rotating shaft 713 reels the pull rope 715 through the reel 714, the reeling of the pull rope 715 drives the mounting plate 4 to move upward through the cooperation of the guide wheel seat 710, the mounting plate 4 drives the impact block 7 below to rise steadily through the cooperation of the guide rod 3, and when it rises to the specified height, turn off the servo motor 712, at this time, the impact block 7 moves downward due to the gravity, so as to perform a plane impact test on the power supply device;

[0030] When the locking cam 75 is in the unlocked position, the locking cam 73 is in the unlocked position, and the locking cam 75 is in the unlocked position.

[0031] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model, and they should all be included in the scope of the claims and specification of the utility model.

Claims

1. A lithium battery powered device impact resistance test device, comprising a test box (1), characterized in that: The front of the test box (1) is hinged with a protective door (2) via a hinge, the inner bottom wall of the test box (1) is fixedly connected with symmetrically distributed guide rods (3), one end of each of the two guide rods (3) is fixedly connected with the inner top wall of the test box (1), the outer surfaces of the two guide rods (3) are slidably sleeved with mounting plates (4), the lower surface of the mounting plates (4) is fixedly connected with an adjustment seat (5), the inner walls on both sides of the adjustment seat (5) are both mounted with adjustment rotating rods (6) via bearings, one end of each of the adjustment rotating rods (6) penetrates through and extends to a side surface of the adjustment seat (5); The outer surface of the adjusting rotating rod (6) is provided with an impact surface switching device, and the impact surface switching device comprises an impact block (7), and the inner wall of the impact block (7) is fixedly sleeved with the outer surface of the adjusting rotating rod (6).

2. The lithium battery powered device impact resistance test device according to claim 1, characterized in that: One side surface of the adjustment seat (5) is provided with positioning holes (71) distributed in a ring array, and one end outer surface of the adjustment rotating rod (6) is provided with symmetrically distributed sliding grooves (72), and the inner wall of the sliding groove (72) is slidably connected to a limiting slider (73).

3. The impact resistance testing device for lithium battery powered equipment according to claim 2, characterized in that: One end of the two limit slide blocks (73) is fixedly connected to an annular mounting block (74), the inner wall of the annular mounting block (74) is movably sleeved with the outer surface of the adjusting rotating rod (6), and one side surface of the annular mounting block (74) is fixedly connected to positioning rods (75) distributed in an annular array.

4. The impact resistance testing device for lithium battery powered equipment according to claim 3, characterized in that: One end of the positioning rod (75) is movably plugged into the inner wall of the positioning hole (71), and the other side surface of the annular mounting block (74) is fixedly connected to a driving handle (76), and the other side surface of the annular mounting block (74) is fixedly connected to support springs (77) distributed in an annular array.

5. The impact resistance testing device for lithium battery powered equipment according to claim 4, characterized in that: One end of each of the plurality of support springs (77) is fixedly connected to a baffle (78), a side surface of the baffle (78) is fixedly connected to one end of the adjustment rotating rod (6), and a mounting opening (79) is provided on the upper surface of the test box (1).

6. The impact resistance testing device for lithium battery powered equipment according to claim 5, characterized in that: A guide wheel seat (710) is fixedly mounted on the rear inner wall of the mounting opening (79), a fixing plate (711) is fixedly connected to the upper surface of the test box (1), and a servo motor (712) is fixedly mounted on one side surface of the fixing plate (711).

7. The lithium battery powered device impact resistance test device according to claim 6, characterized in that: The output shaft of the servo motor (712) is fixedly mounted with a rotating shaft (713) via a coupling, a reel (714) is fixedly sleeved on the outer surface of the rotating shaft (713), a pull rope (715) is wound around the inner wall of the reel (714), the outer surface of the pull rope (715) is in sliding contact with the inner wall of the guide wheel seat (710), and one end of the pull rope (715) is fixedly connected to the upper surface of the mounting plate (4).

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