CN108963179A - A kind of intelligent quantitative liquid-filling equipment of automatic battery production - Google Patents

A kind of intelligent quantitative liquid-filling equipment of automatic battery production Download PDF

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Publication number
CN108963179A
CN108963179A CN201811029006.6A CN201811029006A CN108963179A CN 108963179 A CN108963179 A CN 108963179A CN 201811029006 A CN201811029006 A CN 201811029006A CN 108963179 A CN108963179 A CN 108963179A
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CN
China
Prior art keywords
bearing
liquid
load
battery production
filling equipment
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.)
Withdrawn
Application number
CN201811029006.6A
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Chinese (zh)
Inventor
谢忠连
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.)
Dongguan Qiqu Robot Technology Co Ltd
Original Assignee
Dongguan Qiqu Robot 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 Dongguan Qiqu Robot Technology Co Ltd filed Critical Dongguan Qiqu Robot Technology Co Ltd
Priority to CN201811029006.6A priority Critical patent/CN108963179A/en
Publication of CN108963179A publication Critical patent/CN108963179A/en
Withdrawn legal-status Critical Current

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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
    • H01M50/60Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
    • 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

Abstract

The invention discloses a kind of automatic batteries to produce with intelligent quantitative liquid-filling equipment, including buffering plate, crank and processing platform, load-bearing bases are provided with above the buffering plate, and motor is installed above the middle part of load-bearing bases, the rear and front end of the motor is provided with load-bearing pillar, and the upper end of load-bearing pillar is equipped with attachment base, the lower end of the crank is internally provided with eccentric cam, it is provided with support column above the left end of the processing platform, is connected with threaded rod above the support column.The intelligent quantitative liquid-filling equipment of automatic battery production, compared with existing common liquid-injection equipment, operating characteristics of the whole device in cell production process is substantially increased while increasing structure, the quantitative liquid-filling operation to battery may be implemented in equipment after improvement, keep electrolyte volume when each battery production identical, and it can be adapted for the battery production of different size, effectively meet the use demand of people.

Description

A kind of intelligent quantitative liquid-filling equipment of automatic battery production
Technical field
The present invention relates to battery production liquid-injection equipment technical field, specially a kind of automatic battery production is fixed with intelligence Measure liquid-injection equipment.
Background technique
Battery, which refers to, fills electrolyte solution and metal electrode to generate the cup of electric current, slot or other containers or clad vessel Chemical energy can be converted to the device of electric energy by segment space;With the development of science and technology battery refers to the small-sized dress that can be produced electricl energy It sets;Such as solar battery;The performance parameter of battery mainly has electromotive force, capacity, specific energy and resistance;Utilize the battery as energy Source, available have a burning voltage, stabling current, and long-time stable power supply is influenced the electric current of very little by external world, and electric Pool structure is simple, easy to carry, and charge and discharge are easy to operation, is not influenced by outside climatic and temperature, stable and reliable for performance, Various aspects performance in modern society's life has great role;Various equipment used in cell production process, wherein It just include the fluid injection operation to electrolyte, electrolyte is the extensive noun of meaning, the content that it is represented for different industries Differ larger;There is the intracorporal electrolyte of biology, also there is electrolyte and electrolytic capacitor applied to battery industry, super electricity The electrolyte of the industries such as container;The electrolyte of different industrial applications is huge at phase-splitting difference or even completely not identical.
Liquid-injection equipment generally used in cell production process, external structure is relatively simple, in use Quantitative fluid injection operation cannot be formed, so as to cause the electrolyte of battery in process of production there are volume deviation, influences battery Service performance, be not well positioned to meet the use demand of people, it is enterprising on existing liquid-injection equipment basis for above situation Row technological innovation.
Summary of the invention
It is produced the purpose of the present invention is to provide a kind of automatic battery and uses intelligent quantitative liquid-filling equipment, to solve above-mentioned back The liquid-injection equipment generally used in cell production process is proposed in scape technology, external structure is relatively simple, is using Quantitative fluid injection operation cannot be formed in journey, there are volume deviations so as to cause the electrolyte of battery in process of production, influence The service performance of battery is not well positioned to meet the use demand problem of people.
To achieve the above object, the invention provides the following technical scheme: a kind of automatic battery production quantitative note of intelligence Liquid equipment, including buffering plate, crank and processing platform are provided with load-bearing bases, and load-bearing base above the buffering plate Motor is installed, the rear and front end of the motor is provided with load-bearing pillar, and the upper end peace of load-bearing pillar above the middle part of seat Equipped with attachment base, the lower end of the crank is internally provided with eccentric cam, and crank is located at the left and right sides of motor, institute It states and is provided with support column above the left end of processing platform, and processing platform is located at the top of motor, the top of the support column It is connected with threaded rod, and the upper end of threaded rod is equipped with adjusting nut, is provided with top support plate above the adjusting nut, And fixture nut is provided with above top support plate.
Preferably, the interior lower end of the buffering plate is provided with lower layer's pedestal, and the upper end of lower layer's pedestal is built-in with again Rubber layer is closed, is provided with pressure-bearing spring at left and right sides of the composite rubber layer, and be provided with pressure-bearing above pressure-bearing spring , upper layer pedestal is provided with above the composite rubber layer.
Preferably, between the rear surface of the composite rubber layer and the interior surface of lower layer's pedestal and composite rubber layer Upper end face and upper layer pedestal rear surface between fit closely, and the upper end of upper layer pedestal is by pressure-bearing spring and holding Cooperation between wedge is connected with lower layer's pedestal.
Preferably, it is fitted closely between the rear surface of the load-bearing bases and the upper end face of buffering plate, and electronic It overlaps between the central axes of machine and the central axes of load-bearing bases.
Preferably, the eccentric cam is through the inside of motor, and the left and right ends of eccentric cam respectively with crank Lower end inside between to be flexibly connected, while the center line between crank about motor is symmetrical.
Preferably, the top support plate is internally provided with fixing groove, and the inside of fixing groove is equipped with retainer plate, institute It states and liquid injection pipe is installed in the middle part of retainer plate, and the front end of liquid injection pipe is provided with positioning pin.
Preferably, the external arc diameter of the retainer plate and the inside arc diameter of fixing groove are identical, and liquid injection pipe is logical It crosses in the middle part of positioning pin and retainer plate and is connected, and coincide between the central axes of liquid injection pipe and the central axes of retainer plate.
Preferably, the lower end of the liquid injection pipe is provided with liquid outlet, and check valve is provided on the left of liquid outlet, the note Liquid pipe is internally provided with piston rod, and the upper end of piston rod is connected with connecting base, is fixedly connected with above the connecting base Fixing bearing, and fixing bearing is internally provided with horizontal beam.
Preferably, to be fixedly connected between the check valve and liquid injection pipe, and the level height of check valve is higher than liquid outlet Level height, and the piston rod upper end inside liquid injection pipe is connected by connecting base and fixing bearing with horizontal beam.
Compared with prior art, beneficial effects of the present invention are as follows:
1. passing through the setting of buffering plate, lower layer's pedestal, composite rubber layer, pressure-bearing spring, Pressure Block and upper layer pedestal, by multiple Close rubber layer can directly contacting to avoid upper layer pedestal and lower layer base interior, the mill in reduction use process between the two Damage, and pass through the setting of pressure-bearing spring and Pressure Block, slow vibration effect can be formed to operating table surface.
2. passing through the setting of buffering plate, load-bearing bases and motor, the central axes phase between load-bearing bases and motor The stability of device in use can be improved in coincidence, keeps the machining accuracy operated to battery liquid-filling, and load-bearing Pedestal and being bonded to each other for buffering plate can effectively reduce generated vibration in fluid injection process.
3. passing through the setting of motor, crank and eccentric cam, cooperate by the activity between crank and eccentric cam, it will The reciprocating motion of motor output being changed into vertical direction, to utilize the reciprocal fortune of crank handle turns top structure It is dynamic, kinetic energy is provided for the fluid injection operation in cell processing course.
4. passing through the setting of top support plate, fixing groove, retainer plate, liquid injection pipe and positioning pin, retainer plate and positioning are utilized Installation operation is fixed to liquid injection pipe in cooperation between pin, keeps the verticality of liquid injection pipe in use, and the peace Assembling structure operates relatively simple quick, corresponding liquid injection pipe can also be selected to carry out battery adding according to the specification that do not have to of battery Work operation.
5. passing through the setting of liquid injection pipe, liquid outlet, check valve, piston rod, connecting base, fixing bearing and horizontal beam, fluid injection The quantitative liquid-filling operation cooperatively formed to battery between pipe and piston rod, and piston can be moved by provided by horizontal beam Can, the check valve on the left of liquid injection pipe can be to avoid the reflux of the electrolyte when piston rod presses.
Detailed description of the invention
Fig. 1 is main view half section structure diagram of the present invention;
Fig. 2 is side view half section structure diagram of the present invention;
Fig. 3 is side exterior structural schematic diagram of the present invention;
Fig. 4 is liquid-injection equipment partial enlargement structural representation of the present invention
Fig. 5 is partial enlargement structural representation at A of the present invention.
In figure: 1, buffering plate, 101, lower layer's pedestal, 102, composite rubber layer, 103, pressure-bearing spring, 104, Pressure Block, 105, upper layer pedestal, 2, load-bearing bases, 3, motor, 4, load-bearing pillar, 5, attachment base, 6, crank, 7, eccentric cam, 8, processing it is flat Platform, 9, support column, 10, threaded rod, 11, adjusting nut, 12, top support plate, 13, fixture nut, 14, fixing groove, 15, fixation Circle, 16, liquid injection pipe, 17, positioning pin, 18, liquid outlet, 19, check valve, 20, piston rod, 21, connecting base, 22, fixing bearing, 23, horizontal beam.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1-5, the present invention provides a kind of technical solution: a kind of production of automatic battery is set with intelligence quantitative liquid-filling It is standby, including buffering plate 1, crank 6 and processing platform 8, the top of buffering plate 1 be provided with load-bearing bases 2, and load-bearing bases 2 Middle part above motor 3 is installed, the interior lower end of buffering plate 1 is provided with lower layer's pedestal 101, and lower layer's pedestal 101 Upper end is built-in with composite rubber layer 102, and the left and right sides of composite rubber layer 102 is provided with pressure-bearing spring 103, and pressure-bearing spring 103 top is provided with Pressure Block 104, and the top of composite rubber layer 102 is provided with upper layer pedestal 105, composite rubber layer 102 Between rear surface and the interior surface of lower layer's pedestal 101 and the upper end face of composite rubber layer 102 and upper layer pedestal 105 It is fitted closely between rear surface, and the upper end of upper layer pedestal 105 passes through matching between pressure-bearing spring 103 and Pressure Block 104 It closes and is connected with lower layer pedestal 101, by buffering plate 1, lower layer's pedestal 101, composite rubber layer 102, pressure-bearing spring 103, hold The setting of wedge 104 and upper layer pedestal 105, can be to avoid upper layer pedestal 105 and lower layer's pedestal 101 by composite rubber layer 102 Internal direct contact, reduces abrasion between the two in use process, and passes through pressure-bearing spring 103 and Pressure Block 104 Setting can form slow vibration effect, between the rear surface of load-bearing bases 2 and the upper end face of buffering plate 1 to operating table surface It fits closely, and overlaps between the central axes of motor 3 and the central axes of load-bearing bases 2, pass through buffering plate 1, load-bearing The setting of pedestal 2 and motor 3, the central axes between load-bearing bases 2 and motor 3, which coincide, can be improved device and was using Stability in journey keeps the machining accuracy operated to battery liquid-filling, and the mutual patch of load-bearing bases 2 and buffering plate 1 Conjunction can effectively reduce generated vibration in fluid injection process, and the rear and front end of motor 3 is provided with load-bearing pillar 4, And the upper end of load-bearing pillar 4 is equipped with attachment base 5, the lower end of crank 6 is internally provided with eccentric cam 7, and crank 6 is located at electricity The left and right sides of motivation 3, eccentric cam 7 through the inside of motor 3, and the left and right ends of eccentric cam 7 respectively with crank 6 Lower end inside between to be flexibly connected, while the center line between crank 6 about motor 3 is symmetrical, passes through motor 3, bent The setting of handle 6 and eccentric cam 7 cooperates by the activity between crank 6 and eccentric cam 7, and the rotation that motor 3 is exported turns Become the reciprocating motion in vertical direction, is in cell processing course to drive the reciprocating motion of top structure using crank 6 Fluid injection operation kinetic energy is provided, be provided with support column 9 above the left end of processing platform 8, and processing platform 8 is located at motor 3 Top, the top of support column 9 is connected with threaded rod 10, and the upper end of threaded rod 10 is equipped with adjusting nut 11, adjusting nut 11 Top be provided with top support plate 12, and the top of top support plate 12 is provided with fixture nut 13, top support plate 12 It is internally provided with fixing groove 14, and the inside of fixing groove 14 is equipped with retainer plate 15, the middle part of retainer plate 15 is equipped with liquid injection pipe 16, and the front end of liquid injection pipe 16 is provided with positioning pin 17, the external arc diameter of retainer plate 15 and the inside circular arc of fixing groove 14 Diameter is identical, and liquid injection pipe 16 is connected by positioning pin 17 with the middle part of retainer plate 15, and the central axes of liquid injection pipe 16 with It coincides between the central axes of retainer plate 15, passes through top support plate 12, fixing groove 14, retainer plate 15, liquid injection pipe 16 and positioning The setting of pin 17 is fixed installation operation to liquid injection pipe 16 using the cooperation between retainer plate 15 and positioning pin 17, keeps note The verticality of liquid pipe 16 in use, and the mounting structure operate it is relatively simple quick, can also be according to battery The specification that do not have to select corresponding liquid injection pipe 16 to carry out battery process operation, the lower end of liquid injection pipe 16 is provided with liquid outlet 18, and The left side of liquid outlet 18 is provided with check valve 19, and liquid injection pipe 16 is internally provided with piston rod 20, and the upper end of piston rod 20 connects It is connected to connecting base 21, the top of connecting base 21 is fixedly connected with fixing bearing 22, and fixing bearing 22 is internally provided with level Beam 23 is fixedly connected between check valve 19 and liquid injection pipe 16, and the level height of check valve 19 is higher than the level of liquid outlet 18 Highly, 20 upper end of piston rod and inside liquid injection pipe 16 is connected by connecting base 21 and fixing bearing 22 with horizontal beam 23, By the setting of liquid injection pipe 16, liquid outlet 18, check valve 19, piston rod 20, connecting base 21, fixing bearing 22 and horizontal beam 23, The quantitative liquid-filling operation cooperatively formed to battery between liquid injection pipe 16 and piston rod 20, and piston 20 can rely on horizontal beam The check valve 19 of kinetic energy provided by 23,16 left side of liquid injection pipe can be to avoid the reflux of the electrolyte when piston rod 20 presses.
Working principle: when using automatic battery production intelligent quantitative liquid-filling equipment, first according to user's It needs and the battery specifications of required processing selects suitable liquid injection pipe 16 and piston rod 20, pass through retainer plate 15 and positioning pin 17 Between cooperation installation operation is fixed to liquid injection pipe 16, cooperation between retainer plate 15 and positioning pin 17 to liquid injection pipe 16 into Row fixed installation operation, the verticality of holding liquid injection pipe 16 in use, and the mounting structure operate more simple It is single quick, secondly the upper end of piston rod 20 is connected by connecting base 21 with fixing bearing 22, it then will be external by conduit Electrolyte is connected with check valve 19, and the device can be used after connection, and starting motor 3 drives eccentric convex when use The rotation process of wheel 7 cooperates by the activity between crank 6 and eccentric cam 7, the rotation that motor 3 exports is changed into vertical The upward reciprocating motion of histogram is the fluid injection in cell processing course to drive the reciprocating motion of top structure using crank 6 Operation provides kinetic energy, and the upper end of crank 6 drives the movement of horizontal beam 23 to work as piston to realize the reciprocating motion of piston rod 20 When bar 20 moves up, electrolyte is sucked the inside of liquid injection pipe 16 by check valve 19, when piston rod 20 is moved down to electrolyte When forming extruding, electrolyte has the discharge injection inside battery of liquid outlet 18, and check valve 19 can be applied to avoid when piston rod 20 The quantitative liquid-filling operation to battery may be implemented by this structure, wherein load-bearing bases 2 and buffering bottom in the reflux of electrolyte when pressure Being bonded to each other for seat 1 can effectively reduce generated vibration in fluid injection process, and here it is automatic battery productions With the working principle of intelligent quantitative liquid-filling equipment.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (9)

1. a kind of automatic battery production intelligent quantitative liquid-filling equipment, including buffering plate (1), crank (6) and processing platform (8), it is characterised in that: be provided with load-bearing bases (2) above the buffering plate (1), and above the middle part of load-bearing bases (2) It is equipped with motor (3), the rear and front end of the motor (3) is provided with load-bearing pillar (4), and the upper end peace of load-bearing pillar (4) Equipped with attachment base (5), the lower end of the crank (6) is internally provided with eccentric cam (7), and crank (6) is located at motor (3) the left end top of the left and right sides, the processing platform (8) is provided with support column (9), and processing platform (8) is positioned at electronic The top of machine (3) is connected with threaded rod (10) above the support column (9), and the upper end of threaded rod (10) is equipped with adjusting Nut (11) is provided with top support plate (12) above the adjusting nut (11), and sets above top support plate (12) It is equipped with fixture nut (13).
2. a kind of intelligent quantitative liquid-filling equipment of automatic battery production according to claim 1, it is characterised in that: described The interior lower end of buffering plate (1) is provided with lower layer's pedestal (101), and the upper end of lower layer's pedestal (101) is built-in with compounded rubber Layer (102) is provided with pressure-bearing spring (103) at left and right sides of the composite rubber layer (102), and pressure-bearing spring (103) Top is provided with Pressure Block (104), is provided with upper layer pedestal (105) above the composite rubber layer (102).
3. a kind of intelligent quantitative liquid-filling equipment of automatic battery production according to claim 1, it is characterised in that: described Between the rear surface of composite rubber layer (102) and the interior surface of lower layer's pedestal (101) and composite rubber layer (102) it is upper It is fitted closely between end surfaces and the rear surface of upper layer pedestal (105), and the upper end of upper layer pedestal (105) passes through pressure-bearing bullet Cooperation between spring (103) and Pressure Block (104) is connected with lower layer's pedestal (101).
4. a kind of intelligent quantitative liquid-filling equipment of automatic battery production according to claim 1, it is characterised in that: described It is fitted closely between the rear surface of load-bearing bases (2) and the upper end face of buffering plate (1), and the central axes of motor (3) It overlaps between the central axes of load-bearing bases (2).
5. a kind of intelligent quantitative liquid-filling equipment of automatic battery production according to claim 1, it is characterised in that: described Eccentric cam (7) is through the inside of motor (3), and the left and right ends of eccentric cam (7) are respectively and in the lower end of crank (6) To be flexibly connected between portion, while the center line between crank (6) about motor (3) is symmetrical.
6. a kind of intelligent quantitative liquid-filling equipment of automatic battery production according to claim 1, it is characterised in that: described Top support plate (12) is internally provided with fixing groove (14), and the inside of fixing groove (14) is equipped with retainer plate (15), described It is equipped in the middle part of retainer plate (15) liquid injection pipe (16), and the front end of liquid injection pipe (16) is provided with positioning pin (17).
7. a kind of intelligent quantitative liquid-filling equipment of automatic battery production according to claim 6, it is characterised in that: described The external arc diameter of retainer plate (15) is identical as the inside arc diameter of fixing groove (14), and liquid injection pipe (16) passes through positioning pin (17) it is connected in the middle part of retainer plate (15), and phase between the central axes of liquid injection pipe (16) and the central axes of retainer plate (15) It is overlapped.
8. a kind of intelligent quantitative liquid-filling equipment of automatic battery production according to claim 6, it is characterised in that: described The lower end of liquid injection pipe (16) is provided with liquid outlet (18), and check valve (19), the fluid injection are provided on the left of liquid outlet (18) Pipe (16) is internally provided with piston rod (20), and the upper end of piston rod (20) is connected with connecting base (21), the connecting base (21) it is fixedly connected with above fixing bearing (22), and fixing bearing (22) is internally provided with horizontal beam (23).
9. a kind of intelligent quantitative liquid-filling equipment of automatic battery production according to claim 8, it is characterised in that: described To be fixedly connected between check valve (19) and liquid injection pipe (16), and the level height of check valve (19) is higher than the water of liquid outlet (18) Flat height, and piston rod (20) upper end of liquid injection pipe (16) inside passes through connecting base (21) and fixing bearing (22) and horizontal beam (23) it is connected.
CN201811029006.6A 2018-09-05 2018-09-05 A kind of intelligent quantitative liquid-filling equipment of automatic battery production Withdrawn CN108963179A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811029006.6A CN108963179A (en) 2018-09-05 2018-09-05 A kind of intelligent quantitative liquid-filling equipment of automatic battery production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811029006.6A CN108963179A (en) 2018-09-05 2018-09-05 A kind of intelligent quantitative liquid-filling equipment of automatic battery production

Publications (1)

Publication Number Publication Date
CN108963179A true CN108963179A (en) 2018-12-07

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CN201811029006.6A Withdrawn CN108963179A (en) 2018-09-05 2018-09-05 A kind of intelligent quantitative liquid-filling equipment of automatic battery production

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109592245A (en) * 2018-12-24 2019-04-09 吴海丽 A kind of chemical machinery production finished product transport device with sealability
CN110718671A (en) * 2019-11-06 2020-01-21 吴水风 Quantitative filling equipment for battery repair liquid for maintenance of lead-acid storage battery

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109592245A (en) * 2018-12-24 2019-04-09 吴海丽 A kind of chemical machinery production finished product transport device with sealability
CN110718671A (en) * 2019-11-06 2020-01-21 吴水风 Quantitative filling equipment for battery repair liquid for maintenance of lead-acid storage battery
CN110718671B (en) * 2019-11-06 2022-08-26 广东金悦诚蓄电池有限公司 Quantitative filling equipment for battery repair liquid for maintenance of lead-acid storage battery

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Application publication date: 20181207