Search

CN-121977777-A - Impact resistance detection equipment for power battery shell

CN121977777ACN 121977777 ACN121977777 ACN 121977777ACN-121977777-A

Abstract

The application relates to power battery shell anti-impact performance detection equipment, which relates to the technical field of power shell detection and comprises a fixing mechanism for supporting a battery shell, wherein the fixing mechanism is arranged on a detection base, the bottom of the fixing mechanism is also provided with a bottom impact mechanism for impacting the bottom of the battery shell, and a stand is fixedly provided with an upper test mechanism. The method effectively solves the limitation that the traditional testing method can only perform single-direction impact, and can more accurately simulate complex impact working conditions possibly encountered in the actual use or transportation process.

Inventors

  • WANG DUOWEN
  • REN XIAOLING
  • HUANG XUEMEI

Assignees

  • 安徽英标新材料科技有限公司

Dates

Publication Date
20260505
Application Date
20251208

Claims (9)

  1. 1. The power battery shell anti-impact performance detection device is characterized by comprising a fixing mechanism (3) for supporting a battery shell (4), wherein the fixing mechanism (3) is arranged on a detection base (1), a bottom impact mechanism (2) for impacting the bottom of the battery shell (4) is further arranged at the bottom of the fixing mechanism (3), and an upper test mechanism (5) is fixedly arranged on a frame.
  2. 2. The power battery case anti-impact performance detection device according to claim 1, wherein the fixing mechanism (3) comprises a supporting groove (31), the supporting groove (31) is formed in the detection base (1), a fixing support column (35) is fixed in the supporting groove (31), an L-shaped side limit column (34) is fixed on the side edge of the fixing support column (35), a transverse push rod (310) is fixed in the upper month supporting groove (31), a transverse push base (39) is fixed at the output end of the transverse push rod (310), a first moving column (33) is fixed on the side edge of the transverse push base (39), and a first limit column (32) is fixed on the side edge of the first moving column (33).
  3. 3. The power battery case impact performance detection apparatus as claimed in claim 2, wherein a second supporting platform (38) is fixed to a side of the first moving column (33), a second simulation limiting column (37) is fixed to a side of the second supporting platform (38), a third supporting platform (36) is fixed to a side of the first moving column (33), a height of the third supporting platform (36) is lower than that of the second supporting platform (38), and a length of the third supporting platform (36) is longer than that of the second supporting platform (38).
  4. 4. The power battery case anti-impact performance detection device according to claim 1, wherein the bottom impact mechanism (2) comprises a supporting bottom plate (21), an ejecting column (28) is slidably arranged on the supporting bottom plate (21), a transverse impact plate (26) is fixed at the end of the ejecting column (28), a compression spring (23) is fixed between the transverse impact plate (26) and the supporting bottom plate (21), a containing sliding groove (213) is formed in the detection base (1), the containing sliding groove (213) is slidably connected with the ejecting column (28), and a limiting mechanism is arranged on the side edge of the transverse impact plate (26).
  5. 5. The power battery shell anti-impact performance detection device according to claim 4, wherein the limiting mechanism comprises a limiting protrusion (25), a control hydraulic cylinder (22) is fixed on the detection base (1), a side base (24) is arranged at the output end of the control hydraulic cylinder (22), the limiting protrusion (25) is fixed on the side of the side base (24), and the limiting protrusion (25) is matched with the limiting impact chute (27).
  6. 6. The power battery shell anti-impact performance detection device according to claim 5, wherein the detection base (1) is provided with a stretching groove (210), a stretching spring (29) is fixed in the stretching groove (210), a stretching sliding block (212) is fixed on the side edge of the stretching spring (29), the stretching sliding block (212) is in sliding connection with the stretching groove (210), and the stretching sliding block (212) is fixedly connected with the side edge base (24).
  7. 7. The power battery case impact resistance detection device according to claim 1, wherein the upper test mechanism (5) comprises an upper test base (51), a supporting base (52) is symmetrically fixed at the middle position of the upper test base (51), a supporting roller (512) is fixed on the supporting base (52) through a first winding motor, and a second winding rope (511) is wound on the supporting roller (512).
  8. 8. The power battery case impact resistance detection device according to claim 7, wherein an adjusting chute is formed in the upper test base (51), a position adjusting slide bar (54) is fixed in the adjusting chute, an impact position adjusting spring (53) is fixed on the position adjusting slide bar (54), an adjusting slide block (55) is fixed at the end of the impact position adjusting spring (53), the other end of the impact position adjusting spring (53) is fixed at the end of the adjusting chute, and an adjusting pull rope (57) is fixed at the side edge of the adjusting slide block (55).
  9. 9. The power battery case impact performance detection apparatus as claimed in claim 8, wherein the adjustment pull rope (57) is wound around an adjustment roller (56), the adjustment roller (56) is driven by a power motor, a winding striking roller (58) is rotatably provided at a side of the adjustment slider (55), the winding striking roller (58) is driven by a motor, and a first winding rope (59) is provided on the winding striking roller (58), ends of the first winding rope (59) and the second winding rope (511) are connected, and the ends are fixed with a simulation striking roller (510).

Description

Impact resistance detection equipment for power battery shell Technical Field The invention relates to the technical field of power shell detection, in particular to power battery shell anti-impact performance detection equipment. Background The detection of the power battery shell is based on whether the battery shell and the internal supporting structure thereof can bear the impact such as collision and drop possibly encountered in the daily use or transportation process, so that the phenomena such as liquid leakage, fire and explosion of the battery are avoided when the battery shell is detected. Therefore, when detecting the power battery shell, the impact on the battery shell in the actual scene needs to be simulated, in the prior art, the impact in the direct fixing direction is usually carried out on the power battery shell, and the impact mode enables the power battery shell to always bear the impact in the same direction during the impact test, so that the use state in the reality cannot be accurately simulated. Disclosure of Invention The invention aims to provide power battery shell anti-impact performance detection equipment. The invention solves the technical problem that in the prior art, the power battery shell has consistent impact direction during impact test, so that the use state in reality can not be accurately simulated. The invention can be realized by the following technical scheme that the power battery shell anti-impact performance detection equipment comprises a fixing mechanism for supporting a battery shell, wherein the fixing mechanism is arranged on a detection base, a bottom impact mechanism for impacting the bottom of the battery shell is also arranged at the bottom of the fixing mechanism, and an upper test mechanism is fixedly arranged on a frame. The fixing mechanism comprises a supporting groove, the supporting groove is formed in the detection base, a fixing supporting column is fixed in the supporting groove, an L-shaped side limit column is fixed on the side of the fixing supporting column, a transverse push rod is fixed in the upper month supporting groove, a transverse pushing base is fixed at the output end of the transverse push rod, a first moving column is fixed on the side of the transverse pushing base, and a first limit column is fixed on the side of the first moving column. The invention further technically improves that a second supporting platform is fixed on the side edge of the first moving column, a second simulation limiting column is fixed on the side edge of the second supporting platform, a third supporting platform is fixed on the side edge of the first moving column, the height of the third supporting platform is lower than that of the second supporting platform, and the length of the third supporting platform is longer than that of the second supporting platform. The invention further technically improves that the bottom impact mechanism comprises a supporting bottom plate, an ejecting column is arranged on the supporting bottom plate in a sliding mode, a transverse impact plate is fixed at the end portion of the ejecting column, a compression spring is fixed between the transverse impact plate and the supporting bottom plate, a storage sliding groove is formed in the detection base, and the storage sliding groove is connected with the ejecting column in a sliding mode. The invention further technically improves that the limiting mechanism comprises a limiting bulge, a control hydraulic cylinder is fixed on the detection base, a side base is arranged at the output end of the control hydraulic cylinder, the limiting bulge is fixed on the side of the side base, and the limiting bulge is matched with the limiting impact chute. The invention further technically improves that a stretching groove is formed in the detection base, a stretching spring is fixed in the stretching groove, a stretching sliding block is fixed on the side edge of the stretching spring, the stretching sliding block is in sliding connection with the stretching groove, and the stretching sliding block is fixedly connected with the side edge base. The upper testing mechanism comprises an upper testing base, a supporting base is symmetrically fixed at the middle position of the upper testing base, a supporting roller is fixed on the supporting base through a first winding motor, and a second winding rope is wound on the supporting roller. The invention further technically improves that an adjusting chute is arranged on the upper test base, a position adjusting slide bar is fixed in the adjusting chute, an impact position adjusting spring is fixed on the position adjusting slide bar, an adjusting slide block is fixed at the end part of the impact position adjusting spring, the other end of the impact position adjusting spring is fixed at the end part of the adjusting chute, and an adjusting pull rope is fixed at the side edge of the adjusting slide block. The invention further technic