CN114006119B - Production equipment of battery module - Google Patents

Production equipment of battery module Download PDF

Info

Publication number
CN114006119B
CN114006119B CN202111289053.6A CN202111289053A CN114006119B CN 114006119 B CN114006119 B CN 114006119B CN 202111289053 A CN202111289053 A CN 202111289053A CN 114006119 B CN114006119 B CN 114006119B
Authority
CN
China
Prior art keywords
plate
limiting
component
pressurizing
strips
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
CN202111289053.6A
Other languages
Chinese (zh)
Other versions
CN114006119A (en
Inventor
李想
路宝
汤可佳
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.)
Wuhu Etc Battery Ltd
Original Assignee
Wuhu Etc Battery 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 Wuhu Etc Battery Ltd filed Critical Wuhu Etc Battery Ltd
Priority to CN202111289053.6A priority Critical patent/CN114006119B/en
Publication of CN114006119A publication Critical patent/CN114006119A/en
Application granted granted Critical
Publication of CN114006119B publication Critical patent/CN114006119B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/258Modular batteries; Casings provided with means for assembling
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/249Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
    • 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
    • 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
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Battery Mounting, Suspending (AREA)
  • Secondary Cells (AREA)

Abstract

The invention discloses production equipment of a battery module, which relates to the technical field of power batteries and comprises a limiting part, a pressurizing part and a pressure measuring part, wherein the limiting part is arranged on the upper part and is used for limiting a plurality of power batteries in the front-back direction at the same time, and the limiting part comprises a placing plate, a placing block and a limiting strip; the pressurizing component is positioned below the limiting component and is used for simultaneously pressurizing a plurality of power batteries in the left-right direction, and the pressurizing component comprises a hinged plate, a pressurizing strip, a fixed plate and a hydraulic cylinder; the pressure measuring component is symmetrically arranged on the left side and the right side of the pressurizing component and used for monitoring the applied pressure value of the pressurizing component to the power battery, and comprises a pressure measuring plate, a pressure sensor, a connecting plate and a contact plate. In conclusion, the production equipment of the battery module has the characteristics of simple design, ingenious structure, convenient use, measurable pressurization and adjustable pressure.

Description

Production equipment of battery module
Technical Field
The invention relates to the technical field of power batteries, in particular to production equipment of a battery module.
Background
The power battery grouping technology is a key technology for the development of the electric automobile industry, and the current grouping mode is mainly electric core, battery module and PACK (battery PACK); the grouping mode of the energy storage module is mostly electric core-energy storage battery module, and the two processes are all independent of the battery module for forming. The module needs to be assembled under specific pressure to ensure the cycle life of the subsequent use process, and various module pressurizing devices are independently designed for different modules in the market at present, and the method can meet the production requirement, but has large investment and large production cost, and a large number of tool clamps need to be managed on the production site. Based on the background, the pressurizing production of the module is designed to be compatible with different battery cores through simple mold changing.
Disclosure of Invention
The invention aims to provide a production device of a battery module, which is used for solving the defects caused by the prior art.
The utility model provides a battery module's production facility, includes spacing part, pressurization part and pressure measurement part, wherein:
the limiting component is arranged on the upper part and used for limiting the power batteries in the front-rear direction at the same time, and comprises a placing plate, a placing block and a limiting strip;
the pressurizing component is positioned below the limiting component and is used for simultaneously pressurizing a plurality of power batteries in the left-right direction, and the pressurizing component comprises a hinged plate, a pressurizing strip, a fixed plate and a hydraulic cylinder;
the pressure measuring component is symmetrically arranged on the left side and the right side of the pressurizing component and used for monitoring the applied pressure value of the pressurizing component to the power battery, and comprises a pressure measuring plate, a pressure sensor, a connecting plate and a contact plate.
Preferably, the placing plate is of a [ -type structure and is provided with an upward opening, the placing blocks are of a spherical structure and are provided with a plurality of placing blocks, the placing blocks are uniformly embedded in the inner bottom surface of the placing plate, the limiting strips are provided with a pair of inner sides which are symmetrically arranged on the front and back sides of the placing plate, the limiting strips are connected to the end parts of the placing plate through a plurality of compression springs, and the inner walls of the limiting strips are stuck with protective strips.
Preferably, the hinged plate is U type structure and installs in the below of placing the board in the middle, the left and right sides of hinged plate is fixed with the articulated seat of upper and lower symmetry, all articulated on the articulated seat has a pair of articulated strip, the pressurization strip is equipped with a pair of and corresponds to articulate on the articulated strip on both sides, the fixed plate is U type structure and slides the below of locating the hinged plate, the left and right sides of fixed plate all is equipped with the holding tank of rectangle, the front and back both sides symmetry welding of holding tank has the fixed strip of overhanging, be equipped with the sliding tray of rectangle on the fixed strip, the round pin axle sliding connection that the articulated strip of the pressurization strip and downside that is located same side was connected is in the sliding tray, the pneumatic cylinder sets up and installs in the downside of fixed plate up, the piston rod end-to bottom of pneumatic cylinder.
Preferably, the pressure measuring plate is vertically welded on the upper part of the pressurizing strip, the pressure sensor is provided with a plurality of pressure measuring plates and is uniformly connected to the inner side of the pressure measuring plate, the connecting plate is of a 'several' type structure and is connected to the inner extension end of the pressure sensor, the contact plate is of a 'two' type structure and is provided with an opening inwards, the contact plate is connected to the inner extension end of the connecting plate, and the inner wall of the contact plate is provided with penetrating grooves which are vertically symmetrical.
Preferably, a protective sheet is adhered to the inner wall of the contact plate.
Compared with the prior art, the production equipment of the battery module has the following advantages:
(1) And a plurality of power batteries are placed above the placing plate, and self-centering limiting of the power batteries in the front-rear direction is completed through limiting strips on two sides.
(2) The piston rod of the hydraulic cylinder contracts and drives the fixing plate to move upwards, and then the contact plates on two sides are driven to finish self-centering clamping of the power battery in the left-right direction.
(3) During the process of clamping the power battery, the pressure exerted on the power battery by the hydraulic cylinder is monitored in real time through the pressure sensor.
In conclusion, the production equipment of the battery module has the characteristics of simple design, ingenious structure, convenient use, measurable pressurization and adjustable pressure.
Drawings
FIG. 1 is a schematic view of the overall three-dimensional structure of the present invention.
Fig. 2 is a schematic diagram of the overall front view of the present invention.
Fig. 3 is a schematic structural view of a limiting member in the present invention.
Fig. 4 is a schematic structural view of the pressing member in the present invention.
Fig. 5 is a schematic view of the structure of the pressure measuring part in the present invention.
Wherein:
10-a limiting component; 101-placing a plate; 102-placing a block; 103-limiting strips; 104-compressing the spring; 105-guard bars;
20-a pressurizing member; 201-a hinge plate; 202-hinging seat; 203-hinging bars; 204-pressurizing the strip; 205-fixing plate; 205 a-receiving slot; 206-fixing strips; 206 a-a sliding groove; 207-hydraulic cylinder;
30-a pressure measuring part; 301-a pressure measuring plate; 302-a pressure sensor; 303-connecting plates; 304-contact plates; 304 a-a threading slot; 305-protective sheets;
40-power battery.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 to 5, a battery module production apparatus includes a limiting member 10, a pressurizing member 20, and a pressure measuring member 30, wherein:
the limiting component 10 is arranged on the upper side and is used for limiting a plurality of power batteries 40 in the front-rear direction at the same time, and the limiting component 10 comprises a placing plate 101, a placing block 102 and a limiting strip 103;
the pressurizing component 20 is positioned below the limiting component 10 and is used for simultaneously pressurizing a plurality of power batteries 40 in the left-right direction, and the pressurizing component 20 comprises a hinged plate 201, a pressurizing bar 204, a fixed plate 205 and a hydraulic cylinder 207;
the pressure measuring component 30 is symmetrically arranged at the left and right sides of the pressure part 20 and is used for monitoring the pressure value applied by the pressure part 20 to the power battery 50, and the pressure measuring component 30 comprises a pressure measuring plate 301, a pressure sensor 302, a connecting plate 303 and a contact plate 304.
In this embodiment, the placing plate 101 is in a "[" structure and an opening is upward, the placing blocks 102 are in a ball-shaped structure and are provided with a plurality of placing blocks, the placing blocks 102 are uniformly embedded in the inner bottom surface of the placing plate 101, the limiting strips 103 are provided with a pair of front-back symmetrically arranged on the inner side of the placing plate 101, the limiting strips 103 are connected to the end part of the placing plate 101 through a plurality of compression springs 104, and the inner walls of the limiting strips 103 are stuck with protective strips 105. By adding the protective strip 105, when the limit strip 103 contacts with the power battery 40, the limit strip 103 cannot form an indentation or scratch on the surface of the power battery 40.
In this embodiment, the hinge plate 201 is in a U-shaped structure and is centrally installed below the placement plate 101, hinge bases 202 that are vertically symmetrical are fixed on the left and right sides of the hinge plate 201, a pair of hinge strips 203 are hinged on the hinge bases 202, a pair of pressure strips 204 are provided and correspondingly hinged on the hinge strips 203 on two sides, the fixing plate 205 is in a U-shaped structure and is slidingly disposed below the hinge plate 201, rectangular receiving grooves 205a are respectively provided on the left and right sides of the fixing plate 205, overhanging fixing strips 206 are symmetrically welded on the front and rear sides of the receiving grooves 205a, rectangular sliding grooves 206a are provided on the fixing strips 206, pins for connecting the pressure strips 204 on the same side with the hinge strips 203 on the lower side are slidingly connected in the sliding grooves 206a, the hydraulic cylinders 207 are vertically upward arranged and are installed on the lower sides of the fixing plate 205, and the piston rod ends of the hydraulic cylinders 207 are connected to the bottoms of the hinge plates 201.
In this embodiment, the pressure measuring plate 301 is welded vertically to the upper portion of the pressure strip 204, the pressure sensor 302 is provided with a plurality of pressure measuring plates 301 and is uniformly connected to the inner side of the pressure measuring plate 301, the connecting plate 303 has a "several" structure and is connected to the inward extending end of the pressure sensor 302, the contact plate 304 has a "regular" structure and has an inward opening, the contact plate 304 is connected to the inward extending end of the connecting plate 303, and the inner wall of the contact plate 304 is provided with vertically symmetrical through slots 304a.
In this embodiment, a protective sheet 305 is adhered to the inner wall of the contact plate 304. By adding the protective sheet 305 to ensure that the contact plate 304 is in contact with the power cell 40, the contact plate 304 does not form an indentation or scratch on the surface of the power cell 40.
The production equipment of the battery module comprises the following steps when in practical application:
step 1: a plurality of power batteries 40 are placed above the placing plate 101, and self-centering limiting of the power batteries 40 in the front-rear direction is completed through limiting strips 103 on two sides;
step 2: the piston rod of the hydraulic cylinder 207 contracts and drives the fixing plate 205 to move upwards, so that the contact plates 304 on two sides are driven to finish self-centering clamping of the power battery 40 in the left-right direction;
step 3: during the process of clamping the power battery 40, the pressure exerted on the power battery 40 by the hydraulic cylinder 207 is monitored in real time through the pressure sensor 302;
step 4: the power cell 40 is assembled by passing the strapping tape through the threading slot 304a.
Step 5: the piston rod of the hydraulic cylinder 207 stretches to drive the fixing plate 205 to descend, so that the contact plates 304 on two sides are driven to release the assembled power battery 40;
step 6: overcomes the clamping force applied to the limit bar 103 by the compression spring 104 and removes the assembled power cell 40.
Accordingly, the above disclosed embodiments are illustrative in all respects, and not exclusive. All changes that come within the scope of the invention or equivalents thereto are intended to be embraced therein.

Claims (1)

1. The utility model provides a production facility of battery module which characterized in that: comprises a limiting component (10), a pressurizing component (20) and a pressure measuring component (30), wherein:
the limiting component (10) is arranged on the upper side and used for limiting a plurality of power batteries (40) in the front-rear direction at the same time, the limiting component (10) comprises a placing plate (101), a placing block (102) and limiting strips (103), the placing plate (101) is of a [ -shaped structure and is provided with an opening upwards, the placing block (102) is of a spherical structure and is provided with a plurality of limiting strips, the placing block (102) is uniformly embedded on the inner bottom surface of the placing plate (101), the limiting strips (103) are provided with a pair of limiting strips and are symmetrically arranged on the inner side of the placing plate (101) in the front-rear direction, the limiting strips (103) are connected to the end parts of the placing plate (101) through a plurality of compression springs (104), and protective strips (105) are adhered to the inner walls of the limiting strips (103);
the pressurizing component (20) is positioned below the limiting component (10) and is used for pressurizing a plurality of power batteries (40) in the left-right direction at the same time, the pressurizing component (20) comprises a hinged plate (201), pressurizing strips (204), a fixed plate (205) and a hydraulic cylinder (207), the hinged plate (201) is of a U-shaped structure and is arranged below the placing plate (101) in the middle, hinging seats (202) which are symmetrical up and down are fixed on the left side and the right side of the hinged plate (201), a pair of hinging strips (203) are hinged on the hinging seats (202), the pressurizing strips (204) are provided with a pair of hinging strips (203) which are hinged on the two sides correspondingly, the fixed plate (205) is of a U-shaped structure and is arranged below the hinged plate (201) in a sliding mode, the left side and the right side of the fixed plate (205) are provided with rectangular containing grooves (205 a), the front side and the rear side of the containing grooves (205 a) are symmetrically welded with stretched fixed strips (206), one side of each fixed strip (206) is provided with a rectangular sliding groove (206) which is positioned on the same side of the hinging plate (204) and is connected with the lower side of the hinged plate (203) in the sliding mode, the sliding groove (207) is arranged on the upper side of the sliding groove (207), the tail end of a piston rod of the hydraulic cylinder (207) is connected to the bottom of the hinged plate (201);
the pressure measuring component (30) is symmetrically arranged on the left side and the right side of the pressure measuring component (20) and is used for monitoring the pressure value applied to the power battery (50) by the pressure measuring component (20), the pressure measuring component (30) comprises a pressure measuring plate (301), a pressure sensor (302), a connecting plate (303) and a contact plate (304), the pressure measuring plate (301) is vertically welded on the upper portion of the pressure strip (204), the pressure sensor (302) is provided with a plurality of pressure measuring plates which are uniformly connected to the inner side of the pressure measuring plate (301), the connecting plate (303) is of a ' few ' type structure and is connected to the inner extending end of the pressure sensor (302), the contact plate (304) is of a ' type structure and is provided with an opening inwards, the contact plate (304) is connected to the inner extending end of the connecting plate (303), and a wearing groove (304 a) which is vertically symmetrical is formed in the inner wall of the contact plate (304), and a protective sheet (305) is adhered on the inner wall of the contact plate (304).
CN202111289053.6A 2021-11-02 2021-11-02 Production equipment of battery module Active CN114006119B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111289053.6A CN114006119B (en) 2021-11-02 2021-11-02 Production equipment of battery module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111289053.6A CN114006119B (en) 2021-11-02 2021-11-02 Production equipment of battery module

Publications (2)

Publication Number Publication Date
CN114006119A CN114006119A (en) 2022-02-01
CN114006119B true CN114006119B (en) 2023-08-04

Family

ID=79926495

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111289053.6A Active CN114006119B (en) 2021-11-02 2021-11-02 Production equipment of battery module

Country Status (1)

Country Link
CN (1) CN114006119B (en)

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013031877A (en) * 2011-07-04 2013-02-14 Unitec Industry Co Ltd Pressurizing device and molding apparatus with the same
CN203045263U (en) * 2013-01-16 2013-07-10 常州信息职业技术学院 Hydraulic clamping mechanism
CN204800128U (en) * 2015-07-21 2015-11-25 宁德时代新能源科技有限公司 Power battery module assembly jig
KR20160064871A (en) * 2014-11-28 2016-06-08 주식회사 엘지화학 Battery pack
CN207276035U (en) * 2017-09-23 2018-04-27 哈尔滨理工大学 A kind of frock of automatic crawl charging basket
CN207522187U (en) * 2017-10-23 2018-06-22 济宁市技师学院 Link mechanism formula catching robot
CN207800698U (en) * 2018-01-12 2018-08-31 宁德时代新能源科技股份有限公司 A kind of battery modules pressue device
CN109333625A (en) * 2018-10-18 2019-02-15 王逸帆 A kind of coconut automatic cutting device and its cutting method
CN210668533U (en) * 2019-12-06 2020-06-02 深圳市犇越科技有限公司 Lithium battery liquid injection three-dimensional pressurizing absorption box
CN112059974A (en) * 2020-09-02 2020-12-11 北京机械工业自动化研究所有限公司 Battery module tooling tray with clamping function
CN112577663A (en) * 2020-12-03 2021-03-30 宁波曼汶智能装备有限公司 Fluid pressure measuring device with self-protection function and measuring method
CN112820928A (en) * 2021-02-01 2021-05-18 北京机械工业自动化研究所有限公司 Automatic pressurization special machine for heating films on two sides of power battery module
CN213381829U (en) * 2020-10-24 2021-06-08 杨小慧 Novel electric wiring groove tool that punches
CN213660469U (en) * 2020-08-31 2021-07-09 广州擎天实业有限公司 High-temperature pressurization formation clamp and battery production equipment

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013031877A (en) * 2011-07-04 2013-02-14 Unitec Industry Co Ltd Pressurizing device and molding apparatus with the same
CN203045263U (en) * 2013-01-16 2013-07-10 常州信息职业技术学院 Hydraulic clamping mechanism
KR20160064871A (en) * 2014-11-28 2016-06-08 주식회사 엘지화학 Battery pack
CN204800128U (en) * 2015-07-21 2015-11-25 宁德时代新能源科技有限公司 Power battery module assembly jig
CN207276035U (en) * 2017-09-23 2018-04-27 哈尔滨理工大学 A kind of frock of automatic crawl charging basket
CN207522187U (en) * 2017-10-23 2018-06-22 济宁市技师学院 Link mechanism formula catching robot
CN207800698U (en) * 2018-01-12 2018-08-31 宁德时代新能源科技股份有限公司 A kind of battery modules pressue device
CN109333625A (en) * 2018-10-18 2019-02-15 王逸帆 A kind of coconut automatic cutting device and its cutting method
CN210668533U (en) * 2019-12-06 2020-06-02 深圳市犇越科技有限公司 Lithium battery liquid injection three-dimensional pressurizing absorption box
CN213660469U (en) * 2020-08-31 2021-07-09 广州擎天实业有限公司 High-temperature pressurization formation clamp and battery production equipment
CN112059974A (en) * 2020-09-02 2020-12-11 北京机械工业自动化研究所有限公司 Battery module tooling tray with clamping function
CN213381829U (en) * 2020-10-24 2021-06-08 杨小慧 Novel electric wiring groove tool that punches
CN112577663A (en) * 2020-12-03 2021-03-30 宁波曼汶智能装备有限公司 Fluid pressure measuring device with self-protection function and measuring method
CN112820928A (en) * 2021-02-01 2021-05-18 北京机械工业自动化研究所有限公司 Automatic pressurization special machine for heating films on two sides of power battery module

Also Published As

Publication number Publication date
CN114006119A (en) 2022-02-01

Similar Documents

Publication Publication Date Title
CN113889657B (en) Assembling device of battery module
CN201931381U (en) Accurate positioning pressure pin clamp
CN114006119B (en) Production equipment of battery module
CN215180737U (en) OCV test equipment of battery
CN204177940U (en) A kind of automated exchanged cutter battery tester
CN203719926U (en) Longitudinal force loading device for railway wagon test
CN115533524A (en) Ultrasonic welding frock is used in lithium cell production
CN212989595U (en) Laminate device of laminate polymer battery electrical variable measuring equipment
CN213583529U (en) Short-circuit equipment is surveyed in button cell electricity core plastic
CN210293898U (en) Pressure displacement testing tool for automobile power battery
CN209264928U (en) A kind of test fixture of square individual battery core
CN210268589U (en) Soft-packaged electrical core testing device
CN210703313U (en) Welding detection mechanism
CN215599343U (en) Calibration device of ATE function test fixture
CN203012077U (en) Lithium-ion electric core voltage withstand quick detection apparatus
CN217360231U (en) Short circuit test tool for inverted placement of lithium battery
CN215414755U (en) Concrete splitting tensile strength test device
CN218996788U (en) Mounting fixture and rubberizing equipment
CN116007876B (en) Lithium battery vibration testing device convenient to fix
CN219475790U (en) Battery detection equipment
CN216718077U (en) Be applied to low temperature resistant impact testing arrangement of electrostatic material wire rod
CN217639187U (en) Clamp capable of quickly positioning product and testing device provided with clamp
CN218725309U (en) Gear detection device
CN204705549U (en) Driving shaft pulling capacity testing fixture
CN220961806U (en) Cell short circuit testing device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant