Power battery bottom ball hitting extrusion needling comprehensive test equipment

Abstract

The utility model relates to the technical field of battery testing, and discloses a power battery bottom ball hitting extrusion needling comprehensive testing device which comprises a main body mechanism and a positioning mechanism, the positioning mechanism is located above the main body mechanism, and the main body mechanism comprises a testing device body and a mounting frame. The mounting frame is fixedly mounted at the upper end of the test equipment body, and the main body mechanism further comprises an electric sliding rail, a first sliding block, a first connecting frame, an extrusion ball head, a second sliding block, a second connecting frame and a needling head. According to the power battery bottom ball hitting, extruding and needling comprehensive test equipment, by installing the main body mechanism, when the test equipment body carries out power battery test operation, a worker can properly adjust the positions of two groups of sliding blocks by operating an electric sliding rail, so that the test efficiency is improved; therefore, the test equipment body can integrally complete ball impact extrusion and acupuncture tests on the power battery, and the test efficiency and test effect of the test equipment body on the power battery are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of battery testing, in particular to a comprehensive ball-impacting, squeezing and puncturing testing device for the bottom of a power battery. Background Art

[0002] Power batteries are a new type of high-energy battery. They are widely used in the market because of their advantages such as high energy, high battery voltage, wide operating temperature range and long storage life. In order to simulate the safety of power batteries under short circuit conditions, the existing technology uses test equipment to test power batteries.

[0003] The existing patent document with technical publication number CN211905619U provides a bottom extrusion test device for new energy vehicles or power batteries. The utility model has a simple structure, ingenious design, compact and reasonable layout, fast disassembly and assembly, low requirements for sample processing, high reliability, strong stability, convenient maintenance and repair, and low manufacturing cost; and the function can be expanded by replacing the extrusion ball head or the acupuncture head.

[0004] However, when the existing power battery bottom test equipment is used, it is not convenient to realize the integrated test of ball impact extrusion and needle puncture on the bottom of the power battery, resulting in that during the test of the power battery, the staff needs to replace the extrusion ball or the needle puncture head according to the test requirements, which makes the equipment's test efficiency for the power battery low and its practicality poor. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The purpose of the utility model is to provide a comprehensive test device for ball impact, extrusion and needle puncture of the bottom of a power battery, so as to solve the problem in the above-mentioned background technology that the existing power battery bottom test device is not convenient for realizing the integrated test of ball impact, extrusion and needle puncture of the bottom of the power battery when in use.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: A power battery bottom ball impact extrusion needle puncture comprehensive test equipment, comprising a main body mechanism and a positioning mechanism, the positioning mechanism is located above the main body mechanism, the main body mechanism comprises a test equipment body and a mounting frame, the mounting frame is fixedly mounted on the upper end of the test equipment body;

[0009] The main mechanism also includes an electric slide rail, a first slider, a first connecting frame, an extrusion ball head, a second slider, a second connecting frame and a needle piercing head. The electric slide rail is fixedly installed in the middle of the upper end of the test equipment body, the first slider is movably installed inside the electric slide rail, the first connecting frame is fixedly installed on the upper end of the first slider, the extrusion ball head is located above the first connecting frame, the second slider is movably installed inside the electric slide rail, the second connecting frame is fixedly installed on the upper end of the second slider, the second connecting frame has the same structure as the first connecting frame, and the needle piercing head is located above the second connecting frame.

[0010] Preferably, the positioning mechanism includes a transmission motor and a double-sided threaded rod, the transmission motor is fixedly mounted on the right end of the inner end of the mounting frame, and the double-sided threaded rod is fixedly mounted on the transmission end of the left end of the transmission motor.

[0011] Preferably, the positioning mechanism further comprises a movable nut and a U-shaped clamp, wherein the movable nut is threadedly connected to the left and right ends of the outer end of the double-sided threaded rod, and the U-shaped clamp is fixedly mounted on the upper end of the movable nut.

[0012] Preferably, the positioning mechanism further comprises a connecting block and an electric push rod, wherein the connecting block is fixedly mounted on the lower end of the U-shaped clamping plate, the connecting block is slidably connected to the mounting frame, and the electric push rod is fixedly mounted on the upper end of the U-shaped clamping plate.

[0013] Preferably, the positioning mechanism also includes a pushing rod, a clamping plate and a driving motor, the pushing rod is fixedly mounted on the transmission end of the lower end of the electric push rod, the clamping plate is fixedly mounted on the lower end of the pushing rod, and the driving motor is fixedly mounted on the rear end of the inner end of the first connecting frame.

[0014] Preferably, the positioning mechanism further comprises a screw and a positioning nut, wherein the screw is fixedly mounted on the transmission end at the front end of the driving motor, and the positioning nut is threadedly connected to the outer end of the screw.

[0015] Preferably, the positioning mechanism also includes a hydraulic cylinder, an adjusting rod and a pressure sensor, the hydraulic cylinder is fixedly mounted on the upper end of the positioning nut, the adjusting rod is fixedly mounted on the transmission end of the upper end of the hydraulic cylinder, the pressure sensor is fixedly mounted on the upper end of the adjusting rod, and the extrusion ball head and the acupuncture head are located at the upper end of the pressure sensor.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The power battery bottom ball impact, extrusion and needle puncture comprehensive test equipment, by installing the main body mechanism, realizes that when the test equipment body is testing the power battery, the staff can properly adjust the positions of the two sets of slide blocks by operating the electric slide rail, so that the test equipment body can complete the ball impact, extrusion and needle puncture tests on the power battery in an integrated manner, thereby improving the test efficiency and test effect of the test equipment body on the power battery;

[0018] 2. The power battery bottom ball impact, extrusion and needle puncture comprehensive test equipment is installed with a positioning mechanism, so that when the test equipment body is in use, the staff can quickly assemble the power battery through operation to ensure the stability of the placement during the power battery test. In addition, the test equipment body can fix power batteries of different specifications and sizes, thereby improving the applicability of the test equipment body. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the three-dimensional structure of the main mechanism of the utility model;

[0021] Figure 3 This is a three-dimensional structural diagram of the positioning mechanism of the utility model;

[0022] Figure 4 It is a schematic diagram of the three-dimensional structure of the mounting frame of the utility model.

[0023] In the figure: 1. Main body; 101. Test equipment body; 102. Mounting frame; 103. Electric slide rail; 104. First slider; 105. First connecting frame; 106. Extrusion ball head; 107. Second slider; 108. Second connecting frame; 109. Acupuncture head; 2. Positioning mechanism; 201. Transmission motor; 202. Double-sided threaded rod; 203. Movable nut; 204. U-shaped clamp; 205. Connecting block; 206. Electric push rod; 207. Push rod; 208. Pressing plate; 209. Drive motor; 210. Screw; 211. Positioning nut; 212. Hydraulic cylinder; 213. Adjusting rod; 214. Pressure sensor. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1 - Figure 4 The utility model provides a technical solution: a comprehensive test device for ball impact, extrusion and acupuncture of a power battery bottom, comprising a main body mechanism 1 and a positioning mechanism 2, the positioning mechanism 2 is located above the main body mechanism 1, the main body mechanism 1 comprises a test device body 101 and a mounting frame 102, the mounting frame 102 is fixedly mounted on the upper end of the test device body 101;

[0026] The main mechanism 1 also includes an electric slide 103, a first slider 104, a first connecting frame 105, an extrusion ball head 106, a second slider 107, a second connecting frame 108 and a needle head 109. The electric slide 103 is fixedly mounted on the middle part of the upper end of the test equipment body 101, the first slider 104 is movably mounted inside the electric slide 103, the first connecting frame 105 is fixedly mounted on the upper end of the first slider 104, the extrusion ball head 106 is located above the first connecting frame 105, the second slider 107 is movably mounted inside the electric slide 103, the second connecting frame 108 is fixedly mounted on the upper end of the second slider 107, the second connecting frame 108 has the same structure as the first connecting frame 105, and the needle head 109 is located above the second connecting frame 108. The staff drives the first slider 104 and the second slider 107 to slide by operating the electric slide 103, and adjusts the extrusion ball head 106 and the needle head 109 to positions suitable for the test, thereby realizing the integrated ball hitting and needle puncture test on the bottom of the power battery.

[0027] The positioning mechanism 2 includes a transmission motor 201 and a double-sided threaded rod 202. The transmission motor 201 is fixedly mounted on the right end of the inner end of the mounting frame 102, and the double-sided threaded rod 202 is fixedly mounted on the transmission end of the left end of the transmission motor 201. The positioning mechanism 2 also includes a movable nut 203 and a U-shaped clamping plate 204. The movable nut 203 is threadedly connected to the left and right ends of the outer end of the double-sided threaded rod 202, and the U-shaped clamping plate 204 is fixedly mounted on the upper end of the movable nut 203. The positioning mechanism 2 also includes a connecting block 205 and an electric push rod 206. The connecting block 205 is fixedly mounted on the lower end of the U-shaped clamping plate 204, and the connecting block 205 is slidably connected to the mounting frame 102. The electric push rod 206 is fixedly mounted on the upper end of the U-shaped clamping plate 204. The positioning mechanism 2 also includes a push rod 207, a clamping plate 208 and a drive motor 209. The push rod 207 is fixedly mounted on the transmission end of the lower end of the electric push rod 206, the clamping plate 208 is fixedly mounted on the lower end of the push rod 207, and the drive motor 209 is fixedly mounted on the rear end of the inner end of the first connecting frame 105. The positioning mechanism 2 also includes a screw rod 210 and a positioning nut 211. The screw rod 210 is fixedly mounted on the transmission end of the front end of the drive motor 209, and the positioning nut 211 is threadedly connected to the outer end of the screw rod 210. The positioning mechanism 2 also includes a hydraulic cylinder 212, an adjusting rod 213 and a pressure sensor 214. The hydraulic cylinder 212 is fixedly mounted on the upper end of the positioning nut 211, and the adjusting rod 213 is fixedly mounted on the upper end of the hydraulic cylinder 212. The pressure sensor 214 is fixedly mounted on the upper end of the adjusting rod 213, and the squeezing ball head 106 and the acupuncture head 109 are located at the upper end of the pressure sensor 214. When the test equipment body 101 is used to test the bottom of the power battery, the staff will place the power battery to be tested on the top of the mounting frame 102 and make it located in the middle of the two sets of U-shaped clamping plates 204. The staff will drive the two sets of movable nuts 203 to move in opposite directions on the double-sided threaded rod 202 by operating the transmission motor 201. The movable nuts 203 drive the U-shaped clamping plate 204 to move toward the middle, so that the U-shaped clamping plate 204 is in full contact with the power battery, and the power battery is located inside the U-shaped clamping plate 204, so as to achieve the initial test of the power battery. The electric push rod 206 works to push the pressing plate 208 to fully contact the power battery, so that the power battery is firmly installed above the test equipment body 101, and the hydraulic cylinder 212 is started to move the extrusion ball head 106 and the acupuncture head 109, so that the extrusion ball head 106 and the acupuncture head 109 are in full contact with the power battery, so as to achieve ball hitting and acupuncture testing on the bottom of the power battery. The pressure sensor 214 monitors the pressure on the power battery during the ball hitting and acupuncture testing. The staff operates the driving motor 209 to move the positioning nut 211 on the screw rod 210, and the positioning nut 211 drives the extrusion ball head 106 and the acupuncture head 109 to move back and forth, so as to test different positions of the bottom of the power battery.

[0028] Working principle: when using the test equipment body 101 to test the bottom of the power battery, the staff will place the power battery to be tested on the top of the mounting frame 102, and make it located in the middle of the two sets of U-shaped clamping plates 204. The staff will drive the two sets of movable nuts 203 to move towards each other on the double-sided threaded rod 202 by operating the transmission motor 201. The movable nuts 203 drive the U-shaped clamping plates 204 to move toward the middle, so that the U-shaped clamping plates 204 are in full contact with the power battery, and the power battery is located inside the U-shaped clamping plates 204, so as to achieve the initial positioning of the power battery. The electric push rod 206 works to push the clamping plate 208 to fully contact the power battery, so that the power battery is firmly mounted on the top of the test equipment body 101. The staff will then The staff operates the electric slide rail 103 to drive the first slider 104 and the second slider 107 to slide, adjusts the extrusion ball head 106 and the acupuncture head 109 to a position suitable for the test, and starts the hydraulic cylinder 212 to move the extrusion ball head 106 and the acupuncture head 109, so that the extrusion ball head 106 and the acupuncture head 109 are in full contact with the power battery, and the integrated ball striking and acupuncture test of the bottom of the power battery is realized. The pressure sensor 214 monitors the pressure on the power battery during the ball striking and acupuncture process. The staff operates the drive motor 209 to move the positioning nut 211 on the screw rod 210, and the positioning nut 211 drives the extrusion ball head 106 and the acupuncture head 109 to move back and forth, so as to test different positions of the bottom of the power battery.

[0029] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Simple modifications or equivalent substitutions of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.

Claims

1. A comprehensive ball impact, extrusion and needle puncture test device for a power battery bottom, comprising a main body mechanism (1) and a positioning mechanism (2), characterized in that: The positioning mechanism (2) is located above the main mechanism (1), the main mechanism (1) comprises a test device body (101) and a mounting frame (102), and the mounting frame (102) is fixedly mounted on the upper end of the test device body (101); The main body mechanism (1) further comprises an electric slide rail (103), a first slider (104), a first connecting frame (105), an extrusion ball head (106), a second slider (107), a second connecting frame (108) and a needle piercing head (109); the electric slide rail (103) is fixedly mounted at the middle of the upper end of the test device body (101); the first slider (104) is movably mounted inside the electric slide rail (103); the first connecting frame (105) is fixedly mounted at the upper end of the first slider (104); the extrusion ball head (106) is located above the first connecting frame (105); the second slider (107) is movably mounted inside the electric slide rail (103); the second connecting frame (108) is fixedly mounted at the upper end of the second slider (107); the second connecting frame (108) has the same structure as the first connecting frame (105); and the needle piercing head (109) is located above the second connecting frame (108).

2. The power battery bottom ball impact, extrusion and needle puncture comprehensive testing equipment according to claim 1 is characterized by: The positioning mechanism (2) comprises a transmission motor (201) and a double-sided threaded rod (202), wherein the transmission motor (201) is fixedly mounted on the right end of the inner end of the mounting frame (102), and the double-sided threaded rod (202) is fixedly mounted on the transmission end of the left end of the transmission motor (201).

3. The power battery bottom ball impact, extrusion and needle puncture comprehensive testing equipment according to claim 2 is characterized by: The positioning mechanism (2) further comprises a movable nut (203) and a U-shaped clamping plate (204), wherein the movable nut (203) is threadedly connected to the left and right ends of the outer end of the double-sided threaded rod (202), and the U-shaped clamping plate (204) is fixedly mounted on the upper end of the movable nut (203).

4. The power battery bottom ball impact, extrusion and needle puncture comprehensive testing equipment according to claim 3 is characterized by: The positioning mechanism (2) further comprises a connecting block (205) and an electric push rod (206); the connecting block (205) is fixedly mounted on the lower end of the U-shaped clamping plate (204); the connecting block (205) is slidably connected to the mounting frame (102); and the electric push rod (206) is fixedly mounted on the upper end of the U-shaped clamping plate (204).

5. The power battery bottom ball impact, extrusion and needle puncture comprehensive testing equipment according to claim 4 is characterized by: The positioning mechanism (2) further comprises a push rod (207), a clamping plate (208) and a drive motor (209); the push rod (207) is fixedly mounted on the transmission end at the lower end of the electric push rod (206); the clamping plate (208) is fixedly mounted on the lower end of the push rod (207); and the drive motor (209) is fixedly mounted on the rear end of the inner end of the first connecting frame (105).

6. The power battery bottom ball impact, extrusion and needle puncture comprehensive testing equipment according to claim 5 is characterized by: The positioning mechanism (2) further comprises a screw rod (210) and a positioning nut (211); the screw rod (210) is fixedly mounted on the transmission end at the front end of the drive motor (209); and the positioning nut (211) is threadedly connected to the outer end of the screw rod (210).

7. The power battery bottom ball impact, extrusion and needle puncture comprehensive testing equipment according to claim 6 is characterized by: The positioning mechanism (2) further comprises a hydraulic cylinder (212), an adjusting rod (213) and a pressure sensor (214); the hydraulic cylinder (212) is fixedly mounted on the upper end of the positioning nut (211); the adjusting rod (213) is fixedly mounted on the transmission end of the upper end of the hydraulic cylinder (212); the pressure sensor (214) is fixedly mounted on the upper end of the adjusting rod (213); and the squeezing ball head (106) and the acupuncture head (109) are located on the upper end of the pressure sensor (214).

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