CN218781967U - New forms of energy battery vibration detection mounting fixture - Google Patents

New forms of energy battery vibration detection mounting fixture Download PDF

Info

Publication number
CN218781967U
CN218781967U CN202222738770.9U CN202222738770U CN218781967U CN 218781967 U CN218781967 U CN 218781967U CN 202222738770 U CN202222738770 U CN 202222738770U CN 218781967 U CN218781967 U CN 218781967U
Authority
CN
China
Prior art keywords
ball screw
fixed
plate
battery
energy battery
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202222738770.9U
Other languages
Chinese (zh)
Inventor
王晶
彭亚楠
池发强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Xinneng Xianfeng Testing Technology Co ltd
Original Assignee
Suzhou Xinneng Xianfeng Testing Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suzhou Xinneng Xianfeng Testing Technology Co ltd filed Critical Suzhou Xinneng Xianfeng Testing Technology Co ltd
Priority to CN202222738770.9U priority Critical patent/CN218781967U/en
Application granted granted Critical
Publication of CN218781967U publication Critical patent/CN218781967U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Landscapes

  • Battery Mounting, Suspending (AREA)

Abstract

The utility model belongs to the technical field of new energy battery test equipment, concretely relates to new energy battery vibration detection mounting fixture, the on-line screen storage device comprises a base, the fixed detection anchor clamps mechanism that is provided with in base top, detect the fixed stay mechanism that is provided with in anchor clamps mechanism both sides. Move about on first ball through the first ball nut platform that sets up and drive the second pneumatic cylinder and control with pressing from both sides tight end plate cooperation, the second pneumatic cylinder drives and presss from both sides tight end plate and vertically presss from both sides the tight battery, carry out the centre gripping to the battery, the tension through the spring makes the tight curb plate of clamp slightly compress tightly the battery during the centre gripping, the centre gripping of battery is with the more swift safety of taking simultaneously, the device is in order to adapt to the battery of different models, through detecting the cooperation of fixture mechanism and fixed stay mechanism, guarantee the stability of clamping battery. The battery fixing device is more firm, and the distance between the bearing upper plate and the bearing bottom plate can be adjusted up and down through the arranged third hydraulic cylinder, so that the battery fixing device is suitable for batteries of different models.

Description

New forms of energy battery vibration detection mounting fixture
Technical Field
The utility model belongs to the technical field of new energy battery test equipment, concretely relates to new energy battery vibration detects mounting fixture.
Background
The battery vibration test is to make a series of controllable vibration simulation in the experiment, test whether the battery can bear the test of motion or vibration environmental factors in the life cycle, also determine the design and function requirement standards of the battery, confirm the reliability of the battery, screen and detect the defective products before leaving the factory in advance, and evaluate the failure reasons of the defective products.
The shape and size of batteries placed in the current battery vibration testing device are different, and the battery vibration testing needs to place batteries with different types, shapes and sizes together for vibration testing. Each test requires the addition of clamps to the device and takes a significant amount of time, which can cause the test cells on the vibration table to fall out if the clamping of the cells fails.
Through the retrieval, chinese patent application number is CN 201720828292.7's chinese utility model patent application document discloses, a new forms of energy battery test fixture, comprising a base plate, top one side of bottom plate is equipped with the fixing base, and the standing groove has been seted up on the top of fixing base, is equipped with the slide bar and the screw rod that the level set up in the standing groove respectively, and the slide bar is located the both sides of screw rod, the first splint of one side fixedly connected with between two slide bars, opposite side between two slide bars is equipped with the second splint, and one side that first splint and second splint are close to mutually all is equipped with the fixed plate that two levels set up, and the fixed plate is located the both sides of screw rod, and the both sides of second splint all are equipped with the slider, slider and slide bar sliding connection, one side that the bottom plate was kept away from to the fixing base is equipped with the handle, and the draw-in groove has been seted up to one side inner wall of fixing base, and the through-hole has been seted up to the opposite side of fixing base, and the one end of screw rod runs through-hole and handle fixed connection.
To the correlation technique among the above-mentioned, vibration test clamping device, its fixed structure can not satisfy the new energy battery of different specification and dimension and use, and power is comparatively loaded down with trivial details at the centre gripping with the process of getting simultaneously, prolongs test time, leads to clamping position change once more, can not all-round clamp and fixed to the battery, so need to design a new energy battery vibration detection mounting fixture to handle these problems urgently.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model discloses a new forms of energy battery vibration detection mounting fixture.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
the utility model provides a new forms of energy battery vibration detection mounting fixture, includes the base, the fixed detection anchor clamps mechanism that is provided with in base top, the fixed stay mechanism that is provided with in detection anchor clamps mechanism both sides.
The detection fixture mechanism comprises two groups of first grooves which are fixedly arranged on the front side and the rear side of the base, a first ball screw is transversely arranged in each first groove, one end of the first ball screw is fixedly connected to the power output end of a first motor, the outer surface of the first ball screw is movably connected with a first ball screw nut table, two groups of second grooves are fixedly arranged on the front side and the rear side of the first groove, two groups of second balls are transversely arranged in each second groove, one end of each second ball screw is fixedly connected to the power output end of a second motor, the outer surface of each second ball screw is movably connected with a second ball screw nut table, the upper surface of each second ball screw nut table is fixedly connected with a fixture supporting vertical plate, the opposite surfaces of the fixture supporting vertical plate are fixedly provided with four groups of limiting spring supporting columns, the outer surfaces of the four groups of the limiting spring supporting columns are provided with limiting springs, the other side plates of the limiting springs are connected with clamping side plates, the middle end of the base is fixedly provided with a buffer spring supporting column, the outer surface of the buffer spring supporting column is provided with a buffer spring, the other end of the buffer spring is fixedly connected with a bearing bottom plate, the upper plate is connected with a bearing plate, the second hydraulic cylinder is fixedly connected with a second hydraulic cylinder, the other end of the second hydraulic cylinder is fixedly connected with a third hydraulic cylinder, the other end plate is fixedly connected with a third hydraulic cylinder, the hydraulic cylinder is fixedly connected with a third hydraulic cylinder is fixedly connected with the hydraulic cylinder, the hydraulic cylinder is connected with the hydraulic cylinder, and the hydraulic cylinder is connected with the hydraulic cylinder is fixedly connected with the other end of the hydraulic cylinder, the hydraulic cylinder is fixedly connected with the third hydraulic cylinder is connected with the hydraulic cylinder, and the hydraulic cylinder is fixedly connected with the hydraulic cylinder is connected with the hydraulic cylinder.
Preferably, the fixed bolster mechanism is including fixed the setting the fixed curb plate of base top both sides, the side is provided with two sets of connecting rods around the fixed curb plate, fixed curb plate one side fixedly connected with triangle backup pad, two sets of the connecting rod surface is provided with movable curb plate, activity curb plate top swing joint has the locating lever, and run through in the connecting rod, the fixed first pneumatic cylinder that is provided with in fixed curb plate top, the flexible end swing joint of power of first pneumatic cylinder has first hydraulic telescoping rod, the fixed two sets of spacing guide bars that are provided with of side around the first hydraulic telescoping rod.
Preferably, the first ball screw is connected with the first motor through a coupler, and the first ball screw is connected with the first ball screw nut table through threads.
Preferably, the second motor is connected with the second ball screw through a coupling, and the second ball screw is connected with the second ball screw nut table through a thread.
Preferably, the second ball screw nut table is welded to the fixture supporting vertical plate, and the first ball screw nut table is welded to the third hydraulic cylinder.
Preferably, the base is welded to the fixed side plate, and the fixed side plate is welded to the connecting rod.
Preferably, the fixed side plate is welded to the first hydraulic cylinder.
Has the advantages that:
the utility model discloses a new forms of energy battery vibration detection mounting fixture, the device, first ball nut platform through setting up moves about on first ball and moves drive second pneumatic cylinder and press from both sides tight end plate cooperation and control, the second pneumatic cylinder drives and presss from both sides tight end plate and vertically presss from both sides the battery, it controls about the tight curb plate of clamp drives second ball nut platform through second ball, the tight curb plate of clamp support riser one side passes through spacing spring, carry out the centre gripping to the battery, the tension through the spring makes the tight curb plate of clamp slightly compress tightly the battery during centre gripping, make the battery under the non-clamping state, also can not appear toppling over the emergence of phenomenon, make it avoid toppling over the emergence and collide with, lead to the test result to appear the deviation, the centre gripping of battery is with the more swift safety of taking simultaneously, the device is with the battery that adapts to different models, through detecting the anchor clamps mechanism, guarantee the stability of clamping battery. The battery fixing device is more firm, and the distance between the bearing upper plate and the bearing bottom plate can be adjusted up and down through the arranged third hydraulic cylinder, so that the battery fixing device is suitable for batteries of different models.
Drawings
FIG. 1 is a schematic side view of the present invention;
fig. 2 is a schematic front view of the present invention;
fig. 3 is a schematic top view of the present invention;
fig. 4 is a first structural schematic diagram of the present invention;
fig. 5 is a second schematic structural diagram of the present invention.
In the figure: 1. a base;
2. a fixed support mechanism; 201. fixing the side plate; 202. a movable side plate; 203. a triangular support plate; 204. a connecting rod; 205. positioning a rod; 206. a first hydraulic cylinder; 207. a first hydraulic telescopic rod; 208. a limiting guide rod;
3. detecting a clamp mechanism; 301. a first slot; 302. a first ball screw; 303. a first motor; 304. a first ball screw nut table; 305. a second slot; 306. a second motor; 307. a second ball screw; 308. a second ball screw nut table; 309. the fixture supports the vertical plate; 310. a limiting spring support column; 311. a limiting spring; 312. clamping the side plates; 313. a buffer spring support column; 314. a buffer spring; 315. a load floor; 316. a load bearing upper plate; 317. a second hydraulic telescopic rod; 318. moving the long plate; 319. a second hydraulic cylinder; 320. a third hydraulic cylinder; 321. a third hydraulic telescopic rod; 322. the end plate is clamped.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "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.
Referring to fig. 1-5, the present invention provides an embodiment: the utility model provides a new forms of energy battery vibration detection mounting fixture, includes base 1, and the fixed detection anchor clamps mechanism 3 that is provided with in base 1 top detects 3 fixed support mechanism 2 that are provided with in detection anchor clamps mechanism both sides.
In this embodiment: fixed supporting mechanism 2 is including the fixed curb plate 201 of fixed setting in base 1 top both sides, the side is provided with two sets of connecting rods 204 around fixed curb plate 201, fixed curb plate 201 one side fixedly connected with triangle backup pad 203, two sets of connecting rods 204 surfaces are provided with movable curb plate 202, movable curb plate 202 top swing joint has locating lever 205, and run through in connecting rod 204, fixed curb plate 201 top is fixed and is provided with first pneumatic cylinder 206, the flexible end swing joint of power of first pneumatic cylinder 206 has first hydraulic telescoping rod 207, the fixed two sets of spacing guide bars 208 that are provided with in side around first hydraulic telescoping rod 207. The base 1 is welded with a fixed side plate 201, and the fixed side plate 201 is welded with a connecting rod 204. The fixed side plate 201 is welded to the first hydraulic cylinder 206. The first hydraulic cylinder 206 is used for providing power for moving the long plate 318 to move up and down, and the limit guide rod 208 provides guidance for moving the long plate 318.
In this embodiment: the detection clamp mechanism 3 comprises two groups of first slots 301 fixedly arranged on the front side and the rear side above the base 1, first ball screws 302 are transversely arranged in the first slots 301, one ends of the first ball screws 302 are fixedly connected to the power output end of a first motor 303, the outer surface of the first ball screws 302 is movably connected with a first ball screw nut table 304, two groups of second slots 305 are fixedly arranged on the front side and the rear side of the first slots 301, second ball screws 307 are transversely arranged in the two groups of second slots 305, one ends of the two groups of second ball screws 307 are fixedly connected to the power output end of a second motor 306, the outer surface of the second ball screws 307 is movably connected with a second ball screw nut table 308, a clamp supporting vertical plate 309 is fixedly connected above the second ball screw nut table 308, four groups of limit spring supporting columns 310 are fixedly arranged on the opposite surface of the clamp supporting plate 309, limit springs 311 are arranged on the outer surface of the four groups of limit spring supporting columns 310, a limit spring supporting column 313 is connected with a clamping side plate 312 on the other side of the limit spring 311, a buffer spring supporting column 313 is fixedly arranged at the middle end above the base 1, a buffer spring supporting column 313 is fixedly connected with a hydraulic cylinder 317, a hydraulic cylinder 320 fixed on the other end of the second ball screw rod supporting column 319, a hydraulic cylinder 320 is fixedly connected with a telescopic hydraulic cylinder 318, a telescopic hydraulic cylinder 320 fixed on the other hydraulic cylinder 320, a telescopic rod 320, a telescopic hydraulic cylinder 320 fixed on the other end of the second hydraulic cylinder 320, and a telescopic rod 320 is arranged on the telescopic rod 320 fixed hydraulic cylinder 316, and a telescopic rod 320 fixed on the telescopic rod 320. The first ball screw 302 is connected to a first motor 303 through a coupling, and the first ball screw 302 is connected to a first ball screw nut block 304 through a screw thread. The second motor 306 is coupled to a second ball screw 307 by a coupling, and the second ball screw 307 is screwed to a second ball screw nut table 308. The second ball screw nut table 308 is welded to the jig support vertical plate 309, and the first ball screw nut table 304 is welded to the third hydraulic cylinder 320. The first ball screw 302 is used for driving the third hydraulic cylinder 320 above the first ball screw nut table 304 and the clamping end plate 322 to move, the third hydraulic cylinder 320 is used for driving the clamping end plate 322 to longitudinally clamp the battery, the second ball screw 307 drives the clamping side plate 312 above the second ball screw nut table 308 to transversely clamp the battery, and the bearing bottom plate 315 is matched with the bearing upper plate 316 to clamp the battery in the vertical direction.
The working principle is as follows: when the device is used, a new energy battery is fixedly installed on a vibration test bed through a bearing bottom plate 315, a first hydraulic cylinder 206 is started, a movable long plate 318 is driven to move up and down, when the device moves to the upper side of the battery, the device stops, at the moment, a second hydraulic cylinder 319 is started to drive a bearing upper plate 316 to vertically compress the battery, a buffer spring 314 is arranged below the bearing bottom plate 315, the battery can be subjected to a certain shock absorption and buffering effect, the device is matched with a second ball screw nut table 308 through a second ball screw 307, a clamping side plate 312 on one side of a clamp supporting vertical plate 309 is driven to move left and right, the batteries of different sizes can be transversely clamped, the clamping requirements of the new energy batteries of different specifications and sizes can be met, a first motor 303 is started to drive a first ball screw 302 to rotate, the first ball screw nut table 304 to move left and right, a hydraulic cylinder 320 above the hydraulic cylinder is started to drive a clamping end plate 322 to longitudinally clamp the battery, the clamping requirements of the new energy batteries of different specifications and sizes can be met, the use is more convenient, the device can achieve the clamping requirements of the new energy batteries of different specifications and the battery clamping efficiency of the battery clamping, and the safety of the new energy battery taking efficiency is greatly improved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (7)

1. The utility model provides a new energy battery vibration detection mounting fixture which characterized in that: the device comprises a base (1), wherein a detection clamp mechanism (3) is fixedly arranged above the base (1), and fixed supporting mechanisms (2) are fixedly arranged on two sides of the detection clamp mechanism (3);
the detection clamp mechanism (3) comprises two groups of first open grooves (301) fixedly arranged on the front side and the rear side above the base (1), a first ball screw (302) is transversely arranged in each first open groove (301), one end of each first ball screw (302) is fixedly connected with the power output end of a first motor (303), the outer surface of each first ball screw (302) is movably connected with a first ball screw nut table (304), two groups of second open grooves (305) are fixedly arranged on the front side and the rear side of each first open groove (301), a second ball screw (307) is transversely arranged in each two groups of second open grooves (305), one end of each two groups of second ball screws (307) is fixedly connected with the power output end of a second motor (306), the outer surface of each second ball screw (307) is movably connected with a second ball screw nut table (308), a clamp supporting vertical plate (309) is fixedly connected above each second ball screw nut table (308), four groups of limiting spring supporting columns (310) are fixedly arranged on the opposite surfaces of the clamp supporting vertical plates (309), limiting spring supporting columns (310) are arranged on the four groups of limiting spring supporting columns (310), a buffering spring supporting column (313) is fixedly arranged on the outer surface of the middle clamping spring supporting column (313), and a buffering spring side plate (311) is arranged on the buffering spring supporting column (311), buffer spring (314) other end fixedly connected with bears bottom plate (315), it bears bottom plate (315) top to be provided with bears upper plate (316), bear upper plate (316) top fixedly connected with second hydraulic stretching pole (317), second hydraulic stretching pole (317) other end is fixed and is provided with second pneumatic cylinder (319), second pneumatic cylinder (319) are fixed to be set up in removal rectangular slab (318) top, first ball nut platform (304) top fixedly connected with third pneumatic cylinder (320), the flexible end swing joint third hydraulic stretching pole (321) of third pneumatic cylinder (320), third hydraulic stretching pole (321) other end fixedly connected with presss from both sides tight end plate (322).
2. The new energy battery vibration detection fixing clamp according to claim 1, characterized in that: fixed supporting mechanism (2) are including fixed the setting fixed curb plate (201) of base (1) top both sides, the side is provided with two sets of connecting rods (204) around fixed curb plate (201), fixed curb plate (201) one side fixedly connected with triangle backup pad (203), two sets of connecting rod (204) surface is provided with movable curb plate (202), activity curb plate (202) top swing joint has locating lever (205), and run through in connecting rod (204), fixed curb plate (201) top is fixed and is provided with first pneumatic cylinder (206), the flexible end swing joint of power of first pneumatic cylinder (206) has first hydraulic telescoping rod (207), the side is fixed and is provided with two sets of spacing guide bars (208) around first hydraulic telescoping rod (207).
3. The new energy battery vibration detection fixing clamp according to claim 1, characterized in that: the first ball screw (302) is connected with the first motor (303) through a coupler, and the first ball screw (302) is connected with the first ball screw nut table (304) through threads.
4. The new energy battery vibration detection fixing clamp according to claim 1, characterized in that: the second motor (306) is connected with the second ball screw (307) through a coupler, and the second ball screw (307) is connected with the second ball screw nut table (308) through threads.
5. The new energy battery vibration detection fixing clamp according to claim 1, characterized in that: the second ball screw nut table (308) is welded with the fixture supporting vertical plate (309), and the first ball screw nut table (304) is welded with the third hydraulic cylinder (320).
6. The new energy battery vibration detection fixing clamp according to claim 2, characterized in that: the base (1) is welded with the fixed side plate (201), and the fixed side plate (201) is welded with the connecting rod (204).
7. The new energy battery vibration detection fixing clamp according to claim 2, characterized in that: the fixed side plate (201) is welded with the first hydraulic cylinder (206).
CN202222738770.9U 2022-10-18 2022-10-18 New forms of energy battery vibration detection mounting fixture Active CN218781967U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222738770.9U CN218781967U (en) 2022-10-18 2022-10-18 New forms of energy battery vibration detection mounting fixture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222738770.9U CN218781967U (en) 2022-10-18 2022-10-18 New forms of energy battery vibration detection mounting fixture

Publications (1)

Publication Number Publication Date
CN218781967U true CN218781967U (en) 2023-03-31

Family

ID=85712996

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222738770.9U Active CN218781967U (en) 2022-10-18 2022-10-18 New forms of energy battery vibration detection mounting fixture

Country Status (1)

Country Link
CN (1) CN218781967U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119050749A (en) * 2024-10-29 2024-11-29 内蒙古华强数智科技股份有限公司 Testing device for data transmitter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119050749A (en) * 2024-10-29 2024-11-29 内蒙古华强数智科技股份有限公司 Testing device for data transmitter
CN119050749B (en) * 2024-10-29 2025-01-17 内蒙古华强数智科技股份有限公司 A test device for a data transmission device

Similar Documents

Publication Publication Date Title
CN218781967U (en) New forms of energy battery vibration detection mounting fixture
CN117450888A (en) A bearing inner ring inner diameter detection device for bearing processing and manufacturing
CN220650743U (en) Battery test bench
CN219086643U (en) Power distribution cabinet assembling and clamping tool
CN218194720U (en) Material detects uses fixture device
CN218874165U (en) Battery piece welding device
CN219142199U (en) Self-positioning plug force testing machine
CN219161872U (en) Concrete pressure testing machine
CN218956757U (en) Short circuit detection mechanism and device before liquid injection of steel shell cylindrical battery
CN218444892U (en) Multifunctional material mechanics testing machine
CN211402098U (en) Building energy conservation check out test set
CN216051825U (en) Clamp for testing square battery insulation resistance
CN216696391U (en) Automatic sampling and testing device for lithium battery pack BMS
CN213422139U (en) Steel bar diameter detection device for building engineering detection
CN209919833U (en) Assembled electromechanical device maintenance device
CN220143444U (en) Can splice test bench
CN209394205U (en) A kind of auxiliary welding clamp
CN223295635U (en) A mechanical vibration test device for optical modules
CN222521137U (en) Auxiliary positioning device for worm installation of speed reducer
CN223382882U (en) A battery support bracket welding auxiliary device
CN222200302U (en) A positioning device for chip testing
CN215575551U (en) A battery short circuit extruding device
CN223808487U (en) Electronic component testing fixture equipment
CN221631172U (en) Steel construction compressive capacity check out test set
CN218213343U (en) Be used for lithium cell electricity core thermal runaway test fixture

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant