New energy cell safety detection device and detection method

Abstract

The invention relates to the technical field of new energy battery cell detection, in particular to a new energy battery cell safety detection device which comprises a bottom plate, four supporting columns are symmetrically and fixedly connected to the top surface of the bottom plate, the top ends of the four supporting columns are fixedly connected with the same supporting plate, a placement plate is arranged above the supporting plate, and four through grooves are symmetrically formed in the top surface of the placement plate; a hollow rod is fixedly connected to the center of the bottom face of the containing plate, four through openings are formed in the outer wall of the hollow rod in a circumferential array mode, a circular sliding plate is slidably connected to the inner wall of the hollow rod, and a spring is fixedly connected between the circular sliding plate and the inner bottom face of the hollow rod. The outer wall of the circular sliding plate is fixedly connected with four connecting plates which are in sliding connection with the through opening of the hollow rod. According to the new energy battery cell safety detection device and detection method, the new energy battery cell can be clamped through the clamping plates, vibration detection and needling detection can be carried out on the new energy battery cell in sequence, and the new energy battery cell safety detection period is shortened.

Description

Technical Field

[0001] The present invention relates to the technical field of new energy battery cell detection, and in particular to a new energy battery cell safety detection device and detection method. Background Art

[0002] The safety testing of new energy battery cells is an important part of ensuring the safe operation of electric vehicles, power tools and other equipment. The safety testing items of new energy battery cells include performance under conditions such as short circuit, overcharging, over-discharging, thermal runaway, puncture, extrusion, heavy object impact, combustion and low air pressure, to ensure that the battery cells will not explode, fire and other safety accidents in actual applications.

[0003] At present, vibration detection and needle penetration test are the main test contents in the new energy battery cell safety test project. In order to obtain the safety performance of the new energy battery cell under extreme conditions, vibration detection is generally carried out first, and then needle penetration test is carried out. However, vibration detection and needle penetration test are carried out by different equipment, and the new energy battery cell needs to be transported and re-clamped, which makes the entire new energy battery cell safety test cycle longer.

[0004] In order to solve the above problems, we have made improvements and proposed a new energy battery cell safety detection device and detection method. Summary of the invention

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0006] The present invention provides a new energy battery safety detection device, comprising a bottom plate, the top surface of the bottom plate is symmetrically fixedly connected with four support columns, the top ends of the four support columns are fixedly connected with the same support plate, a placement plate is arranged above the support plate, and the top surface of the placement plate is symmetrically opened with four through grooves;

[0007] The top surface of the support plate is slidably connected to four frame-shaped plates, and the inner upper wall and the outer wall of the support plate are slidably connected to each other with a spring.

[0008] A vertical rod is fixedly connected at the center of the top surface of the circular sliding plate, a first disc is coaxially fixedly connected to the top end of the vertical rod, a second disc of the same size as the first disc is slidably connected to the outer wall of the vertical rod, and a forty-five-degree chamfer is provided on the top surface of the first disc and the bottom surface of the second disc, four inverted L-shaped plates a are fixedly connected to the top surface of the support plate in a circular array, and the L-shaped plate a is located between two support plates, the top end of the L-shaped plate a passes through the opening of the hollow rod and extends to the inside of the hollow rod, a sliding cavity is provided inside the top end of the L-shaped plate a, a clamping plate is slidably connected to the inside of the sliding cavity of the L-shaped plate a, a forty-five-degree chamfer is provided on the inner side of the bottom surface of the clamping plate, and a return spring is fixedly connected between the clamping plate and the inner wall of the sliding cavity of the L-shaped plate a;

[0009] The hollow rod is slidably connected to the center of the support plate, the bottom end of the hollow rod is fixedly connected to a straight plate, a straight notch is provided on the straight plate, the top surface of the bottom plate is fixedly connected to an inverted L-shaped plate b, the top end of the L-shaped plate b is fixedly connected to the side of the support plate, the top surface of the L-shaped plate b is fixedly connected to an inverted L-shaped plate c, the inner side of the L-shaped plate c is fixedly connected to a fixing plate, a reciprocating threaded rod is rotatably connected between the inner top surface of the L-shaped plate c and the top surface of the fixing plate, a horizontal plate is threadedly connected to the reciprocating threaded rod, a pressing plate is fixedly connected to the end of the horizontal plate, and a plurality of puncture needles are fixedly connected to the bottom surface of the pressing plate;

[0010] The side surface of the L-shaped plate b is rotatably connected with a transmission rod, and the outer wall and the end of the transmission rod are respectively rotatably connected with a driving bevel gear and a transmission disc, and the sides of the driving bevel gear and the transmission disc are respectively provided with an anti-forward rotation mechanism and an anti-reverse rotation mechanism, and the other side surface of the transmission disc is coaxially fixedly connected with a rotating rod, and the outer wall of the rotating rod is rotatably connected with a bearing plate, and the bearing plate is fixedly connected to the top surface of the bottom plate, and the other end of the rotating rod is fixedly connected with a crank, and the side end of the crank is fixedly connected with a second sliding rod, and the second sliding rod is slidably connected to the straight groove of the straight plate, the driving bevel gear is meshed with a driven bevel gear, and the reciprocating threaded rod passes through the rotating shaft extending to the bottom of the L-shaped plate b and is coaxially fixedly connected with the driven bevel gear.

[0011] As a preferred technical solution of the present invention, a limiting slide rod is fixedly connected between the inner walls on opposite sides of the through groove on the top surface of the placement plate, the clamping plate is slidably connected to the limiting slide rod, and the top of the clamping plate is bent inward to form a horizontal portion.

[0012] As a preferred technical solution of the present invention, the top surface of the support plate is fixedly connected with a slide rail in a circumferential array, and the frame plate is slidably connected to the slide rail.

[0013] As a preferred technical solution of the present invention, the interference slide groove on the rectangular plate includes an oblique slide groove and a vertical slide groove, the outer side of the rectangular plate is rotatably connected with an adjusting bolt, the adjusting bolt is threadedly connected to the side of the frame plate, and one end of the adjusting bolt extends through the outside of the frame plate and is coaxially fixedly connected with a knob.

[0014] As a preferred technical solution of the present invention, an upper bracket is provided between the bottom plate and the support plate, and the upper bracket extends through two arm ends above the support plate and is fixedly connected to two symmetrical bottom surfaces of the connecting plates.

[0015] As a preferred technical solution of the present invention, a driving motor is fixedly installed on the other side of the L-shaped plate b, and the output shaft of the driving motor is coaxially fixedly connected with the transmission rod.

[0016] As a preferred technical solution of the present invention, the anti-positive rotation mechanism includes a first movable plate and a first circular groove opened on the active bevel gear, a plurality of first right-angled triangle blocks are fixedly connected to the inner wall of the first circular groove in a circular array, the first movable plate is fixedly connected to the outer wall of the transmission rod, a slideway is opened on the side of the first movable plate, a first clamping block with a chamfered side is slidably connected inside the slideway of the first movable plate, and a reset spring is fixedly connected between the first clamping block and the inner wall of the slideway of the first movable plate.

[0017] As a preferred technical solution of the present invention, the anti-reversal mechanism includes a second movable plate and a second circular groove opened on the transmission disc, a plurality of second right-angled triangle blocks are fixedly connected to the inner wall of the second circular groove in a circular array, the second movable plate is fixedly connected to the outer wall of the transmission rod, a slideway is opened on the side of the second movable plate, a second clamping block with a chamfered side is slidably connected inside the slideway of the second movable plate, and a reset spring is fixedly connected between the second clamping block and the inner wall of the slideway of the second movable plate.

[0018] A detection method comprises the following steps:

[0019] S1: Clamping of new energy battery cells: placing the new energy battery cells to be tested on the top surface of the placement plate, starting the drive motor to drive the transmission rod to rotate forward, the transmission rod drives the transmission disc to rotate, the crank and the second slide rod drive the straight plate to move up, and the hollow rod moves up accordingly, the hollow rod drives the circular slide plate, the connecting plate, the support plate and the first slide rod to move up, the first slide rod contacts the slide groove on the rectangular plate, drives the four frame plates to approach, and further drives the clamping plate to clamp the new energy battery cells;

[0020] S2: Vibration detection of new energy battery cells. Start the drive motor to drive the transmission rod to rotate forward, and the transmission rod drives the transmission disc to rotate. The crank and the second slide bar drive the straight plate to move vertically back and forth, and the hollow rod moves vertically back and forth accordingly, further driving the placement plate to move up and down continuously, completing the vibration detection of new energy battery cells.

[0021] S3: Acupuncture detection of new energy battery cells: start the drive motor to drive the transmission rod to reverse, the transmission rod drives the active bevel gear to rotate, the active bevel gear drives the reciprocating threaded rod to rotate through the driven bevel gear, drives the horizontal plate to move downward, and the pressure plate moves downward accordingly, and the puncture needle is inserted into the new energy battery cell to complete the acupuncture detection of the new energy battery cell.

[0022] The beneficial effects of the present invention are:

[0023] 1. This new energy battery cell safety detection device and detection method, by placing the new energy battery cell to be detected on the top surface of the placement plate, starting the drive motor to drive the transmission rod to rotate forward, the transmission rod drives the transmission disc to rotate, and the straight plate is driven to move up through the crank and the second slide bar, and the hollow rod moves up accordingly, and the hollow rod drives the circular slide plate, the connecting plate, the support plate and the first slide bar to move up, and the first slide bar drives the four frame plates to move closer along the slide rail through the contact groove on the rectangular plate, and further drives the clamping plate to clamp the new energy battery cell.

[0024] 2. The new energy battery cell safety detection device and detection method start the drive motor to drive the transmission rod to rotate forward, the transmission rod drives the transmission disc to rotate, and the crank and the second slide bar drive the straight plate to move vertically back and forth, and the hollow rod moves vertically back and forth accordingly, further driving the placement plate to move up and down continuously, completing the vibration detection of the new energy battery cell.

[0025] 3. The new energy battery cell safety detection device and detection method are as follows: the drive motor is started to drive the transmission rod to reverse, the transmission rod drives the active bevel gear to rotate, the active bevel gear drives the reciprocating threaded rod to rotate through the driven bevel gear, drives the horizontal plate to move downward, and the pressure plate moves downward accordingly, and the puncture needle is inserted into the new energy battery cell to complete the acupuncture detection of the new energy battery cell. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0027] Figure 1 It is a three-dimensional structural schematic diagram of a new energy battery safety detection device of the present invention;

[0028] Figure 2 It is a front view structural schematic diagram of a new energy battery safety detection device of the present invention;

[0029] Figure 3 It is a schematic diagram of a top view of a new energy battery safety detection device of the present invention;

[0030] Figure 4 The invention is a new energy battery safety detection device Figure 3 Schematic diagram of the cross-sectional structure at AA in the middle;

[0031] Figure 5 The invention is a new energy battery safety detection device Figure 4 A schematic diagram of the enlarged structure at A in the middle;

[0032] Figure 6 The invention is a new energy battery safety detection device Figure 4 A schematic diagram of the enlarged structure at B in the middle;

[0033] Figure 7 It is a partial three-dimensional structural schematic diagram of a new energy battery safety detection device of the present invention;

[0034] Figure 8 It is a three-dimensional schematic diagram of an anti-reverse rotation mechanism and an anti-forward rotation mechanism of a new energy battery safety detection device of the present invention;

[0035] In the figure: 1, bottom plate; 2, support column; 3, support plate; 4, placement plate; 5, hollow rod; 6, round slide plate; 7, connecting plate; 8, support plate; 9, first slide bar; 10, frame plate; 11, rectangular plate; 12, guide rod; 13, clamping plate; 14, limit slide bar; 15, slide rail; 16, adjustment bolt; 17, vertical rod; 18, first disc; 19, second disc; 20, L-shaped plate a; 21, clamping plate; 22, straight plate; 23, L-shaped plate b; 24, transmission rod; 25. Active bevel gear; 26. Transmission disc; 27. Rotating rod; 28. Crank; 29. ​​Second slide bar; 30. L-shaped plate c; 31. Fixed plate; 32. Reciprocating threaded rod; 33. Horizontal plate; 34. Pressing plate; 35. Driven bevel gear; 36. Upper bracket; 37. Driving motor; 38. First right-angled triangle block; 39. First movable plate; 40. First clamping block; 41. Second movable plate; 42. Second right-angled triangle block; 43. Second clamping block; 44. Bearing plate. DETAILED DESCRIPTION

[0036] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0037] Embodiment: A new energy battery safety detection device comprises a bottom plate 1, four support columns 2 are symmetrically fixedly connected to the top surface of the bottom plate 1, the tops of the four support columns 2 are fixedly connected to the same support plate 3, a placement plate 4 is arranged above the support plate 3, and four through grooves are symmetrically opened on the top surface of the placement plate 4;

[0038] A hollow rod 5 is fixedly connected to the center of the bottom surface of the placement plate 4, and four through holes are opened in a circular array on the outer wall of the hollow rod 5. A circular slide plate 6 is slidably connected to the inner wall of the hollow rod 5, and a spring is fixedly connected between the circular slide plate 6 and the inner bottom surface of the hollow rod 5. Four connecting plates 7 slidably connected to the through holes of the hollow rod 5 are fixedly connected to the outer wall of the circular slide plate 6. It should be noted that the connecting plates 7 are overlapped on the inner bottom surface of the through holes of the hollow rod 5 under normal conditions, and the side surfaces of each connecting plate 7 are symmetrically integrated and connected. Two support plates 8, a first sliding rod 9 is fixedly connected between the ends of the two support plates 8, the top surface of the support plate 3 is slidably connected with four frame plates 10 in a circular array, a rectangular plate 11 is slidably connected between the inner upper wall and the inner lower wall of the frame plate 10, a resistance slide groove is opened on the side of the rectangular plate 11, the first sliding rod 9 is slidably connected with the inside of the resistance slide groove of the rectangular plate 11, a guide rod 12 is fixedly connected to the top surface of the frame plate 10, and the outer wall of the guide rod 12 is slidably connected with a clamping plate 13 that passes through the through groove on the top surface of the placement plate 4.

[0039] A limiting slide bar 14 is fixedly connected between the inner walls on the opposite sides of the through groove on the top surface of the placement plate 4, the splint 13 is slidably connected to the limiting slide bar 14, and the top of the splint 13 is bent inward to form a horizontal part. The function of the horizontal part of the splint 13 is to limit the vertical movement of the new energy battery cell.

[0040] The top surface of the support plate 3 is fixedly connected with a slide rail 15 in a circumferential array, and the frame plate 10 is slidably connected to the slide rail 15 .

[0041] like Figure 1-Figure 4 , Figure 6 and Figure 7 As shown, in the clamping process of the new energy battery cell, the new energy battery cell to be tested is placed on the top surface of the placement plate 4, the drive motor 37 is started to drive the transmission rod 24 to rotate forward, the transmission rod 24 drives the transmission disc 26 to rotate, and the straight plate 22 is driven to move up through the crank 28 and the second slide bar 29, and the hollow rod 5 moves up accordingly, and the hollow rod 5 drives the circular slide plate 6, the connecting plate 7, the support plate 8 and the first slide bar 9 to move up, and the first slide bar 9 drives the four frame plates 10 to move closer along the slide rail 15 by contacting the slide groove on the rectangular plate 11, and further drives the clamping plate 13 to clamp the new energy battery cell;

[0042] The abutting slide groove on the rectangular plate 11 includes an oblique slide groove and a vertical slide groove. The outer side of the rectangular plate 11 is rotatably connected with an adjusting bolt 16, which is threadedly connected to the side of the frame plate 10. The adjusting bolt 16 extends through one end of the frame plate 10 and is coaxially fixedly connected with a knob.

[0043] In order to adapt to the clamping of new energy batteries of various sizes, such as Figure 6 As shown, by rotating the adjusting bolt 16, since the spring between the circular sliding plate 6 and the inner bottom surface of the hollow rod 5 is in an extended state, the circular sliding plate 6, the connecting plate 7, the supporting plate 8 and the first sliding rod 9 will not move due to the rotation of the adjusting bolt 16, so that the rectangular plate 11 moves to the right relative to the frame plate 10, and the frame plate 10 moves to the left, and the clamping plate 13 also moves to the left, that is, the four clamping plates 13 move outward, further adapting to the clamping of larger-sized new energy batteries.

[0044] A vertical rod 17 is fixedly connected to the center of the top surface of the circular sliding plate 6, and a first disc 18 is coaxially fixedly connected to the top of the vertical rod 17. A second disc 19 of the same size as the first disc 18 is slidably connected to the outer wall of the vertical rod 17, and the top surface of the first disc 18 and the bottom surface of the second disc 19 are both provided with a forty-five degree chamfer. Four inverted L-shaped plates a20 are fixedly connected to the top surface of the support plate 3 in a circular array, and the L-shaped plate a20 is located between the two support plates 8. The top of the L-shaped plate a20 passes through the opening of the hollow rod 5 and extends to the interior of the hollow rod 5. A sliding cavity is provided inside the top of the L-shaped plate a20, and a clamping plate 21 is slidably connected to the inside of the sliding cavity of the L-shaped plate a20. The inner side of the bottom surface of the clamping plate 21 is provided with a forty-five degree chamfer, and a reset spring is fixedly connected between the clamping plate 21 and the inner wall of the sliding cavity of the L-shaped plate a20.

[0045] An upper bracket 36 is provided between the bottom plate 1 and the support plate 3 . The upper bracket 36 penetrates through two arm ends extending above the support plate 3 and is fixedly connected to the bottom surfaces of two symmetrical connecting plates 7 .

[0046] like Figure 4 and Figure 5 As shown, when the crank 28 and the second slide bar 29 drive the straight plate 22 to move upward, the circular slide plate 6 moves upward accordingly, and the circular slide plate 6 drives the first circular disk 18 to move upward, and the chamfer of the first circular disk 18 will contact the card plate 21, so that the card plate 21 is retracted into the sliding cavity of the L-shaped plate a20, and the first circular disk 18 continues to move upward. Under the action of the return spring, the card plate 21 will pop out to prevent the first circular disk 18 from moving downward. At this time, the new energy battery cell on the placement plate 4 is in a clamped state.

[0047] like Figure 2 and Figure 5As shown, when the clamping of the new energy battery cell needs to be released, the upper bracket 36 is pushed up to drive the circular slide plate 6 to continue to move up, and the circular slide plate 6 drives the second disc 19 to move up, and the second disc 19 contacts the card plate 21 to make it retracted into the sliding cavity of the L-shaped plate a20, and the second disc 19 then moves up, and the card plate 21 will pop out under the action of the reset spring. At this time, the upper bracket 36 is pressed down, and the second disc 19 is close to the first disc 18. When the first disc 18 contacts the second disc 19, the chamfer of the second disc 19 will re-retract the card plate 21 into the sliding cavity of the L-shaped plate a20. At this time, moving the first disc 18 downward will disengage the card plate 21, that is, the new energy battery cell is released from clamping.

[0048] The hollow rod 5 is slidably connected to the center of the support plate 3, the bottom end of the hollow rod 5 is fixedly connected to a straight plate 22, a straight slot is provided on the straight plate 22, the top surface of the bottom plate 1 is fixedly connected to an inverted L-shaped plate b23, and the top end of the L-shaped plate b23 is fixedly connected to the side of the support plate 3.

[0049] A driving motor 37 is fixedly mounted on the other side of the L-shaped plate b23 , and an output shaft of the driving motor 37 is coaxially fixedly connected to the transmission rod 24 .

[0050] like Figure 2 and Figure 4 As shown, in the vibration detection process of the new energy battery cell, the drive motor 37 is started to drive the transmission rod 24 to rotate forward, and the transmission rod 24 drives the transmission disc 26 to rotate, and the straight plate 22 is driven to move vertically back and forth through the crank 28 and the second slide bar 29, and the hollow rod 5 moves vertically back and forth accordingly, further driving the placement plate 4 to move up and down continuously, thereby completing the vibration detection of the new energy battery cell.

[0051] The top surface of the L-shaped plate b23 is fixedly connected to an inverted L-shaped plate c30, the inner side of the L-shaped plate c30 is fixedly connected to a fixed plate 31, a reciprocating threaded rod 32 is rotatably connected between the inner top surface of the L-shaped plate c30 and the top surface of the fixed plate 31, a horizontal plate 33 is threadedly connected to the reciprocating threaded rod 32, the end of the horizontal plate 33 is fixedly connected to a pressing plate 34, and a plurality of puncture needles are fixedly connected to the bottom surface of the pressing plate 34.

[0052] like Figure 4 As shown, during the acupuncture detection process of the new energy battery cell, the drive motor 37 is started to drive the transmission rod 24 to reverse, and the transmission rod 24 drives the active bevel gear 25 to rotate. The active bevel gear 25 drives the reciprocating threaded rod 32 to rotate through the driven bevel gear 35, drives the horizontal plate 33 to move downward, and the pressure plate 34 moves downward accordingly, and the puncture needle is inserted into the new energy battery cell to complete the acupuncture detection of the new energy battery cell.

[0053] The side of the L-shaped plate b23 is rotatably connected with a transmission rod 24, and the outer wall and the end of the transmission rod 24 are rotatably connected with a driving bevel gear 25 and a transmission disc 26, respectively. The sides of the driving bevel gear 25 and the transmission disc 26 are respectively provided with an anti-forward rotation mechanism and an anti-reverse rotation mechanism, and the other side of the transmission disc 26 is coaxially fixedly connected with a rotating rod 27, and the outer wall of the rotating rod 27 is rotatably connected with a bearing plate 44, and the bearing plate 44 is fixedly connected to the top surface of the bottom plate 1, and the other end of the rotating rod 27 is fixedly connected with a crank 28, and the side end of the crank 28 is fixedly connected with a second sliding rod 29, and the second sliding rod 29 is slidably connected to the straight groove of the straight plate 22, the driving bevel gear 25 is meshed with a driven bevel gear 35, and the reciprocating threaded rod 32 passes through the rotating shaft extending to the bottom of the L-shaped plate b23 and is coaxially fixedly connected to the driven bevel gear 35.

[0054] The anti-positive rotation mechanism includes a first movable plate 39 and a first circular groove provided on the active bevel gear 25. A plurality of first right-angled triangle blocks 38 are fixedly connected to the inner wall of the first circular groove in a circumferential array. The first movable plate 39 is fixedly connected to the outer wall of the transmission rod 24. A slideway is provided on the side of the first movable plate 39. A first clamping block 40 with a chamfered side is slidably connected inside the slideway of the first movable plate 39. A reset spring is fixedly connected between the first clamping block 40 and the inner wall of the slideway of the first movable plate 39. The reset spring resets the first clamping block 40 to the position as shown in FIG. Figure 8 Status shown.

[0055] like Figure 4 and Figure 8 As shown, when the driving motor 37 drives the transmission rod 24 to rotate clockwise, the chamfered edge of the first clamping block 40 is retracted into the slideway of the first movable plate 39 under the resistance of the hypotenuse of the first right-angle triangle block 38, and the transmission rod 24 is unable to drive the active bevel gear 25 to rotate;

[0056] When the driving motor 37 drives the transmission rod 24 to rotate counterclockwise, the right-angled side of the first clamping block 40 abuts against the straight side of the first right-angle triangle block 38 , and the transmission rod 24 drives the active bevel gear 25 to rotate.

[0057] The anti-reversal mechanism includes a second movable plate 41 and a second circular groove provided on the transmission disc 26, a plurality of second right-angled triangle blocks 42 are fixedly connected to the inner wall of the second circular groove in a circular array, the second movable plate 41 is fixedly connected to the outer wall of the transmission rod 24, a slideway is provided on the side of the second movable plate 41, a second clamping block 43 with a chamfered side is slidably connected inside the slideway of the second movable plate 41, and a reset spring is fixedly connected between the second clamping block 43 and the inner wall of the slideway of the second movable plate 41, and the reset spring resets the second clamping block 43 to the position as shown in the figure. Figure 8 Status shown.

[0058] like Figure 4 and Figure 8 As shown, when the driving motor 37 drives the transmission rod 24 to rotate clockwise, the right angle side of the second clamping block 43 contacts the straight side of the second right-angled triangle block 42, and the transmission rod 24 drives the transmission disc 26 to rotate;

[0059] When the driving motor 37 drives the transmission rod 24 to rotate counterclockwise, the chamfered edge of the second clamping block 43 is retracted into the slideway of the second movable plate 41 under the resistance of the hypotenuse of the second right-angled triangle block 42, and the transmission rod 24 cannot drive the transmission disc 26 to rotate.

[0060] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A new energy battery safety detection device, comprising a base plate (1), characterized in that: Four support columns (2) are symmetrically fixedly connected to the top surface of the bottom plate (1); the top ends of the four support columns (2) are fixedly connected to the same support plate (3); a placement plate (4) is provided above the support plate (3); and four through grooves are symmetrically opened on the top surface of the placement plate (4); A hollow rod (5) is fixedly connected to the center of the bottom surface of the placement plate (4); the outer wall of the hollow rod (5) is provided with four through holes in a circumferential array; a circular slide plate (6) is slidably connected to the inner wall of the hollow rod (5); a spring is fixedly connected between the circular slide plate (6) and the inner bottom surface of the hollow rod (5); four connecting plates (7) slidably connected to the through holes of the hollow rod (5) are fixedly connected to the outer wall of the circular slide plate (6); two support plates (8) are symmetrically and integrally connected to the side surface of each connecting plate (7); and the ends of the two support plates (8) are fixedly connected to each other. A first sliding rod (9) is fixedly connected to the support plate (3); the top surface of the support plate (3) is slidably connected to four frame plates (10) in a circular array; a rectangular plate (11) is slidably connected between the inner upper wall and the inner lower wall of the frame plate (10); a side of the rectangular plate (11) is provided with a resistance sliding groove; the first sliding rod (9) is slidably connected to the inside of the resistance sliding groove of the rectangular plate (11); the top surface of the frame plate (10) is fixedly connected to a guide rod (12); the outer wall of the guide rod (12) is slidably connected to a clamping plate (13) that passes through a through groove on the top surface of the placement plate (4); A vertical rod (17) is fixedly connected to the center of the top surface of the circular slide plate (6); a first circular disc (18) is coaxially fixedly connected to the top end of the vertical rod (17); a second circular disc (19) having the same size as the first circular disc (18) is slidably connected to the outer wall of the vertical rod (17); and a 45-degree chamfer is provided on the top surface of the first circular disc (18) and the bottom surface of the second circular disc (19); four inverted L-shaped plates a (20) are fixedly connected to the top surface of the support plate (3) in a circular array manner; and The L-shaped plate a (20) is located between the two support plates (8), the top end of the L-shaped plate a (20) passes through the opening of the hollow rod (5) and extends to the inside of the hollow rod (5), a sliding cavity is provided inside the top end of the L-shaped plate a (20), a clamping plate (21) is slidably connected inside the sliding cavity of the L-shaped plate a (20), a 45-degree chamfer is provided on the inner side of the bottom surface of the clamping plate (21), and a return spring is fixedly connected between the clamping plate (21) and the inner wall of the sliding cavity of the L-shaped plate a (20); The hollow rod (5) is slidably connected to the center of the support plate (3); the bottom end of the hollow rod (5) is fixedly connected to a straight plate (22); a straight notch is provided on the straight plate (22); the top surface of the bottom plate (1) is fixedly connected to an inverted L-shaped plate b (23); the top end of the L-shaped plate b (23) is fixedly connected to the side of the support plate (3); the top surface of the L-shaped plate b (23) is fixedly connected to an inverted L-shaped plate c (30); the inner side of the L-shaped plate c (30) is fixedly connected to a fixing plate (31); a reciprocating threaded rod (32) is rotatably connected between the inner top surface of the L-shaped plate c (30) and the top surface of the fixing plate (31); a horizontal plate (33) is threadedly connected to the reciprocating threaded rod (32); a pressure plate (34) is fixedly connected to the end of the horizontal plate (33); a plurality of puncture needles are fixedly connected to the bottom surface of the pressure plate (34); The side surface of the L-shaped plate b (23) is rotatably connected to a transmission rod (24); the outer wall and the end of the transmission rod (24) are rotatably connected to a driving bevel gear (25) and a transmission disc (26); the sides of the driving bevel gear (25) and the transmission disc (26) are respectively provided with a forward rotation prevention mechanism and a reverse rotation prevention mechanism; the other side surface of the transmission disc (26) is coaxially fixedly connected to a rotating rod (27); the outer wall of the rotating rod (27) is rotatably connected to a bearing plate (44), and the bearing plate (44) is The plate (44) is fixedly connected to the top surface of the bottom plate (1), the other end of the rotating rod (27) is fixedly connected to a crank (28), the side end of the crank (28) is fixedly connected to a second sliding rod (29), and the second sliding rod (29) is slidably connected inside the straight groove of the straight plate (22), the active bevel gear (25) is meshed with a driven bevel gear (35), and the reciprocating threaded rod (32) passes through the rotating shaft extending to the bottom of the L-shaped plate b (23) and is coaxially fixedly connected to the driven bevel gear (35).

2. A new energy battery safety detection device according to claim 1, characterized in that: A limiting slide bar (14) is fixedly connected between the inner walls on opposite sides of the through slot on the top surface of the placement plate (4), the clamping plate (13) is slidably connected to the limiting slide bar (14), and the top of the clamping plate (13) is bent inward to form a horizontal portion.

3. A new energy battery safety detection device according to claim 1, characterized in that: The top surface of the support plate (3) is fixedly connected to a slide rail (15) in a circumferential array manner, and the frame plate (10) is slidably connected to the slide rail (15).

4. A new energy battery safety detection device according to claim 1, characterized in that: The abutting slide groove on the rectangular plate (11) comprises an oblique slide groove and a vertical slide groove. The outer side of the rectangular plate (11) is rotatably connected with an adjusting bolt (16). The adjusting bolt (16) is threadedly connected to the side surface of the frame plate (10). One end of the adjusting bolt (16) extending through the frame plate (10) is coaxially fixedly connected with a knob.

5. A new energy battery safety detection device according to claim 1, characterized in that: An upper bracket (36) is provided between the bottom plate (1) and the support plate (3), and the upper bracket (36) extends through two arm ends above the support plate (3) and is fixedly connected to the bottom surfaces of two symmetrical connecting plates (7).

6. A new energy battery safety detection device according to claim 1, characterized in that: A driving motor (37) is fixedly mounted on the other side of the L-shaped plate b (23), and an output shaft of the driving motor (37) is coaxially fixedly connected to the transmission rod (24).

7. A new energy battery safety detection device according to claim 1, characterized in that: The anti-positive rotation mechanism comprises a first movable plate (39) and a first circular groove provided on the active bevel gear (25); a plurality of first right-angled triangle blocks (38) are fixedly connected to the inner wall of the first circular groove in a circumferential array; the first movable plate (39) is fixedly connected to the outer wall of the transmission rod (24); a slideway is provided on the side of the first movable plate (39); a first clamping block (40) with a chamfered side is slidably connected inside the slideway of the first movable plate (39); and a return spring is fixedly connected between the first clamping block (40) and the inner wall of the slideway of the first movable plate (39).

8. A new energy battery safety detection device according to claim 1, characterized in that: The anti-reversal mechanism comprises a second movable plate (41) and a second circular groove provided on the transmission disc (26); a plurality of second right-angled triangle blocks (42) are fixedly connected to the inner wall of the second circular groove in a circular array; the second movable plate (41) is fixedly connected to the outer wall of the transmission rod (24); a slideway is provided on the side of the second movable plate (41); a second clamping block (43) with a chamfered side is slidably connected inside the slideway of the second movable plate (41); and a return spring is fixedly connected between the second clamping block (43) and the inner wall of the slideway of the second movable plate (41).

9. A detection method, comprising a new energy battery safety detection device according to any one of claims 1 to 8, characterized in that: The following steps are involved: S1: clamping of new energy battery cells, placing the new energy battery cells to be tested on the top surface of the placement plate (4), starting the driving motor (37) to drive the transmission rod (24) to rotate forward, the transmission rod (24) drives the transmission disc (26) to rotate, and the straight plate (22) is driven to move upward through the crank (28) and the second slide bar (29), and the hollow rod (5) moves upward accordingly, and the hollow rod (5) drives the circular slide plate (6), the connecting plate (7), the support plate (8) and the first slide bar (9) to move upward, and the first slide bar (9) drives the four frame plates (10) to move closer by contacting the slide groove on the rectangular plate (11), and further drives the clamping plate (13) to clamp the new energy battery cells; S2: Vibration detection of new energy battery cells. The driving motor (37) is started to drive the transmission rod (24) to rotate forward. The transmission rod (24) drives the transmission disc (26) to rotate. The crank (28) and the second slide bar (29) drive the straight plate (22) to move vertically back and forth. The hollow rod (5) then moves vertically back and forth, further driving the placement plate (4) to move up and down continuously, thereby completing the vibration detection of the new energy battery cells. S3: acupuncture detection of new energy battery cells, starting the driving motor (37) to drive the transmission rod (24) to reverse, the transmission rod (24) drives the active bevel gear (25) to rotate, the active bevel gear (25) drives the reciprocating threaded rod (32) to rotate through the driven bevel gear (35), drives the horizontal plate (33) to move downward, and the pressure plate (34) moves downward accordingly, so that the puncture needle is inserted into the new energy battery cell, and the acupuncture detection of the new energy battery cell is completed.

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