CN212721976U - Secondary impact prevention braking device for battery impact test bed - Google Patents
Secondary impact prevention braking device for battery impact test bed Download PDFInfo
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- CN212721976U CN212721976U CN202021537572.0U CN202021537572U CN212721976U CN 212721976 U CN212721976 U CN 212721976U CN 202021537572 U CN202021537572 U CN 202021537572U CN 212721976 U CN212721976 U CN 212721976U
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Abstract
Battery impact test platform is with preventing secondary impact arresting gear, including striking platform and base and striking the mechanism of embracing tightly at platform both ends and embracing the lifting mechanism that sets up on guide bar and the base that the mechanism emboliaed tightly, the mechanism of embracing of this scheme adopts hydraulic pressure to embrace the jar and realize impacting the fixed of back impact mesa, the mechanism adopts hardware closed-loop control, control is accurate errorless, strike the platform and freely fall down, when striking the wave form and filling up the bounce-back, it strikes the mesa by the braking to embrace the mechanism action, no longer take place the secondary and strike, it is accurate to obtain the impact data.
Description
Technical Field
The utility model relates to a battery impact test platform correlation technique field, concretely relates to battery impact test platform is with preventing secondary impact arresting gear.
Background
Because lithium ion battery can cause problems such as fire, explosion or weeping when meeting acceleration impact in the process of carrying or transporting, need carry out the impact test of sampling after the battery production to detect and confirm quality and the security of battery of whole batch, the impact table can fall fast and form impact pressure in the battery impact test process, and the up end of equipment base generally can the waveform generator come test data, but the impact table can cause the secondary impact to influence the result of experiment because of the inertia of whereabouts.
Disclosure of Invention
The utility model provides a and a battery impact test platform is with preventing secondary impact arresting gear for solve the technical problem that appears in above-mentioned background and the book.
The secondary impact prevention braking device for the battery impact test bed comprises an impact table, a base, at least six clamping mechanisms at two ends of the impact table, guide rods sleeved by the clamping mechanisms, and a lifting mechanism arranged on the base, and is characterized in that the clamping mechanisms are averagely arranged at two ends of the impact table, at least four guide rods are arranged at the upper end of the base and are vertical to the base, the clamping mechanisms are slidably sleeved on the guide rods, the lifting mechanism is arranged at the upper end of the base, the lifting mechanism is positioned between every two guide rods and at two ends of the impact table, the upper end of the clamping mechanism is a jacking cylinder arranged below a top wheel, the jacking cylinder is vertically connected with the base, a traction block is arranged at the side end of the impact table, a traction rope penetrates through the top wheel of the lifting mechanism, one end of the traction rope extends out of the base, the other end of the traction rope is fixed at the upper end of the traction block, and a rope-pulling type displacement, the position of the pull rope type displacement sensor is positioned at the side end of the lifting mechanism, and a pull rope of the pull rope type displacement sensor is connected to the bottom end of the traction block.
Preferably, the secondary impact prevention braking device for the battery impact test bed is characterized in that an auxiliary rod is vertically arranged on the impact test bed, the auxiliary rod is located in the middle of the lifting mechanism, and a holding mechanism is sleeved on the auxiliary rod.
Preferably, the secondary impact prevention braking device for the battery impact test bed is characterized in that a pressure sensor is arranged at the joint between the jacking wheel of the lifting mechanism and the jacking oil cylinder.
Preferably, the secondary impact prevention braking device for the battery impact test bed is characterized in that a fixing shackle is arranged at the top end of the guide rod.
Preferably, the battery impact test bed is with preventing secondary impact arresting gear, its characterized in that the middle part of jacking cylinder is equipped with two at least fixed modules, and the outer terminal surface of fixed module is equipped with solid fixed ring.
Has the advantages that: the clamping mechanism adopts the hydraulic clamping cylinder to realize fixation of the impact table top after impact, the mechanism adopts hardware closed-loop control, the control is accurate, the impact table falls freely, when the impact wave shape cushion rebounds, the clamping mechanism acts to impact the impact table top to be braked, secondary impact is not generated, and the obtained impact data is accurate.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: the device comprises an impact table 1, a base 2, a holding mechanism 3, a guide rod 4, a lifting mechanism 5, a top wheel 6, a jacking oil cylinder 7, a traction block 8, a traction rope 9, a pull rope type displacement sensor 10, an auxiliary rod 11, a pressure sensor 12 and a fixing module 13.
Detailed Description
The device comprises an impact table 1, a base 2, clasping mechanisms 3 at two ends of the impact table 1, guide rods 4 sleeved by the clasping mechanisms 3, and lifting mechanisms 5 arranged on the base 2, and is characterized in that the clasping mechanisms 3 are at least six and are averagely arranged at two ends of the impact table 1, the guide rods 4 are at least four and are arranged at the upper end of the base 2 and are perpendicular to the base 2, the clasping mechanisms 3 are slidably sleeved on the guide rods 4, the lifting mechanisms 5 are arranged at the upper end of the base 2, the lifting mechanisms 5 are positioned between every two guide rods 4 and at two ends of the impact table 1, the upper end of the clasping mechanism 3 is a jacking cylinder 7 below a top wheel 6, the jacking cylinder 7 is vertically connected with the base 2, a traction block 8 is arranged at the side end of the impact table 1, a traction rope 9 penetrates through the top wheel 6 of the lifting mechanisms 5, one end of the traction rope 9 extends out of the base 2, the other end of the hauling rope 9 is fixed at the upper end of the hauling block 8, the upper end of the base 2 is also provided with a pull rope type displacement sensor 10, the position of the pull rope type displacement sensor 10 is positioned at the side end of the lifting mechanism 5, and a pull rope of the pull rope type displacement sensor 10 is connected at the bottom end of the hauling block 8.
Furthermore, an auxiliary rod 11 is vertically arranged on the impact table 1, the position of the auxiliary rod 11 is located in the middle of the lifting mechanism 5, and the auxiliary rod 11 is sleeved with the clasping mechanism 3.
Furthermore, a pressure sensor 12 is arranged at the joint between the top wheel 6 of the lifting mechanism 5 and the lifting oil cylinder 7.
Further, the top end of the guide rod 4 is provided with a fixing shackle.
Further, the middle part of the jacking cylinder 7 is provided with at least two fixing modules 13, and the outer end faces of the fixing modules 13 are provided with fixing rings.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
At least six holding mechanisms 3 are averagely arranged at two ends of an impact table 1, at least four guide rods 4 are arranged at the upper end of a base 2 and are vertical to the base 2, the holding mechanisms 3 are sleeved on the guide rods 4 in a sliding manner, a lifting mechanism 5 is arranged at the upper end of the base 2, the lifting mechanism 5 is positioned between every two guide rods 4 and is arranged at two ends of the impact table 1, the upper end of the holding mechanism 3 is provided with a jacking cylinder 7 below a top wheel 6, a pressure sensor 12 is arranged at the joint between the top wheel 6 and the jacking cylinder 7 and used for ensuring the integral safety of the lifting mechanism 5, the jacking cylinder 7 is vertically connected with the base 2, a traction block 8 is arranged at the side end of the impact table 1, a traction rope 9 penetrates through the top wheel 6 of the lifting mechanism 5, one end of the traction rope 9 extends out of the base 2, the other end of the traction rope 9 is fixed at the upper end of the traction block 8, a rope-type displacement sensor 10 is, stay cord formula displacement sensor 10 position is located lifting mechanism 5's side, the bottom at traction block 8 is connected to the stay cord of stay cord formula displacement sensor 10, it is provided with auxiliary rod 11 perpendicularly on the platform 1 to strike, auxiliary rod 11 position is located the position in the middle of lifting mechanism 5, it embraces mechanism 3 to embrace on the auxiliary rod 11, it can increase and strike platform 1 braking force when the buffering to increase mechanism 3 of embracing tightly, 4 tops of guide rod are equipped with the fixity that fixed shackle can increase guide rod 4, the middle part of jacking cylinder 7 is equipped with two at least fixed module 13, the outer terminal surface of fixed module 13 is equipped with solid fixed ring, can increase jacking cylinder 7's fixity.
When the lifting mechanism works, the impact table 1 can be lifted to a certain position according to the linkage of the top wheel 6 of the lifting mechanism 5 and the jacking oil cylinder 7, at the moment, the pull rope type displacement sensor 10 can detect the lifting height of the impact table 1 by pulling the length of the pull rope through the impact table 1, so that the holding mechanism 3 is controlled to hold and brake the guide rod 4 and the auxiliary rod 11, when the impact table falls, the holding mechanism 3 loosens the impact table 1 to fall according to gravity, so as to impact a battery sample on the base 2, the holding mechanism 3 brakes immediately after one impact, the impact table 1 stops secondary impact caused by inertia, the holding mechanism 3 of the scheme adopts a hydraulic holding cylinder to realize the fixation of the impact table 1 surface after impact, the mechanism adopts hardware closed-loop control, the control is accurate, the impact table 1 falls freely, when an impact wave-shaped pad rebounds, the holding mechanism 3 acts to brake the impact table 1 surface, and no secondary impact occurs any more, the obtained impact data is accurate.
The above is only the preferred embodiment of the present invention, as long as the preferred embodiment is realized by the same means, the objective technical solution of the present invention all belongs to the protection scope of the present invention.
Claims (5)
1. The secondary impact prevention braking device for the battery impact test bed comprises an impact table (1), a base (2), clamping mechanisms (3) at two ends of the impact table (1), guide rods (4) sleeved by the clamping mechanisms (3) and lifting mechanisms (5) arranged on the base (2), and is characterized in that the clamping mechanisms (3) are at least six and are averagely arranged at two ends of the impact table (1), the guide rods (4) are at least four and are arranged at the upper end of the base (2) and are vertical to the base (2), the clamping mechanisms (3) are slidably sleeved on the guide rods (4), the lifting mechanisms (5) are positioned at the upper end of the base (2), the lifting mechanisms (5) are positioned between every two guide rods (4) and at two ends of the impact table (1), the upper ends of the clamping mechanisms (3) are jacking oil cylinders (7) under jacking wheels (6), and the jacking oil cylinders (7) are vertically connected with the base (2), the side of the impact table (1) is provided with a traction block (8), a traction rope (9) penetrates through a top wheel (6) of the lifting mechanism (5), one end of the traction rope (9) extends out of the base (2), the other end of the traction rope (9) is fixed at the upper end of the traction block (8), the upper end of the base (2) is further provided with a pull rope type displacement sensor (10), the position of the pull rope type displacement sensor (10) is located at the side of the lifting mechanism (5), and a pull rope of the pull rope type displacement sensor (10) is connected to the bottom end of the traction block (8).
2. The secondary impact prevention braking device for the battery impact test bed according to claim 1, wherein an auxiliary rod (11) is vertically arranged on the impact bed (1), the auxiliary rod (11) is positioned in the middle of the lifting mechanism (5), and the clasping mechanism (3) is sleeved on the auxiliary rod (11).
3. The secondary impact prevention braking device for the battery impact test bed according to claim 1, wherein a pressure sensor (12) is arranged at the joint between the jacking wheel (6) of the lifting mechanism (5) and the jacking cylinder (7).
4. The secondary impact prevention braking device for a battery impact test stand according to claim 1, characterized in that a fixing hook ring is provided at the top end of the guide rod (4).
5. The secondary impact prevention braking device for the battery impact test bed according to claim 1, wherein the middle part of the jacking cylinder (7) is provided with at least two fixing modules (13), and the outer end surfaces of the fixing modules (13) are provided with fixing rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021537572.0U CN212721976U (en) | 2020-07-30 | 2020-07-30 | Secondary impact prevention braking device for battery impact test bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021537572.0U CN212721976U (en) | 2020-07-30 | 2020-07-30 | Secondary impact prevention braking device for battery impact test bed |
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| CN212721976U true CN212721976U (en) | 2021-03-16 |
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| CN202021537572.0U Active CN212721976U (en) | 2020-07-30 | 2020-07-30 | Secondary impact prevention braking device for battery impact test bed |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113588193A (en) * | 2021-07-22 | 2021-11-02 | 深圳乾行达新材料科技有限公司 | Impact property experimental device |
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2020
- 2020-07-30 CN CN202021537572.0U patent/CN212721976U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113588193A (en) * | 2021-07-22 | 2021-11-02 | 深圳乾行达新材料科技有限公司 | Impact property experimental device |
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