CN106299491A - A kind of accumulator enters slot device automatically - Google Patents

A kind of accumulator enters slot device automatically Download PDF

Info

Publication number
CN106299491A
CN106299491A CN201610725588.6A CN201610725588A CN106299491A CN 106299491 A CN106299491 A CN 106299491A CN 201610725588 A CN201610725588 A CN 201610725588A CN 106299491 A CN106299491 A CN 106299491A
Authority
CN
China
Prior art keywords
pole group
battery case
fixture
accumulator
pole
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.)
Granted
Application number
CN201610725588.6A
Other languages
Chinese (zh)
Other versions
CN106299491B (en
Inventor
郝国兴
王文岭
朱红忠
田洋
徐素强
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.)
Fengfan Co Ltd
Original Assignee
Fengfan 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 Fengfan Co Ltd filed Critical Fengfan Co Ltd
Priority to CN201610725588.6A priority Critical patent/CN106299491B/en
Publication of CN106299491A publication Critical patent/CN106299491A/en
Application granted granted Critical
Publication of CN106299491B publication Critical patent/CN106299491B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/06Lead-acid accumulators
    • H01M10/12Construction or manufacture
    • H01M10/14Assembling a group of electrodes or separators
    • 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

Abstract

A kind of accumulator enters slot device automatically, including base, enter groove elevating mechanism, battery case elevating mechanism, pole group's fixture support frame, head and pole group's press pack modules, base both sides are each fixes row's column, and head is fixed on column top, and pole group's press pack modules is fixed on head bottom;Enter groove elevating mechanism and be provided with lifter plate, lifter plate can move up and down by respect thereto, battery case elevating mechanism is provided with battery case gripper shoe, battery case gripper shoe is positioned on lifter plate, can move up and down by OQ t plate, pole group's fixture support frame is positioned on battery case gripper shoe, and pole group's press pack modules is the most corresponding with pole group's support frame.Use the present invention can realize accumulator and automatically enter groove, release the physical work that operator is heavy, improve production efficiency, and eliminate potential safety hazard and hidden danger of quality.The present invention can realize the accumulator of different size and enter groove, for the corollary equipment of accumulator assembly line, can meet the needs of accumulator large-scale production.

Description

A kind of accumulator enters slot device automatically
Technical field
The present invention relates to a kind of device for accumulator assembling, the accumulator especially for accumulator assembly line is automatic Enter slot device.
Background technology
Accumulator assembly process is the important procedure during lead-acid storage battery production.The most a lot of storage battery production enterprises Accumulator assembling much still use traditional manual mode of operation, as accumulator enter groove operation use craft enter groove, i.e. exist After pole group's welding sequence completes, enter groove operator and extract, from welding ferrum case, the pole group welded out, then be sequentially loaded in order In single lattice of accumulator housing.This tradition assembling mode production efficiency is low, labor intensity of operating staff big, and manually enters groove Easily occur altering on the damage of groove antipole, dividing plate, dividing plate during entering groove, bottom lead bean, the quality problems such as side plate damage. In addition operator are vulnerable to the occupational health injuries such as lead dust in process of production.Along with continuous to accumulator demand of market Increasing, original assembly technology has been not suitable for mass, the requirement of scale storage battery production, improves accumulator assembler Skill, research and development accumulator enter the manual operation that groove equipment replaces falling behind automatically, are storage battery production enterprise problem demanding prompt solutions.
Summary of the invention
Present invention aims to the drawback of prior art, it is provided that a kind of electric power storage for accumulator assembling line Pond enters slot device automatically, uses the alternative manual operation of this device, reduces and store while improving production efficiency and assembling quality Battery production cost of labor.
Problem of the present invention is by realizing with following technical proposals:
A kind of accumulator enters slot device automatically, including base, enters groove elevating mechanism, battery case elevating mechanism, pole group's fixture Support frame, head and pole group's press pack modules, base both sides are each fixes row's column, and head is fixed on column top, and pole group press-fit Module is fixed on head bottom;Entering groove elevating mechanism and be provided with lifter plate, lifter plate can move up and down by respect thereto, and battery case lifts Mechanism is provided with battery case gripper shoe, and battery case gripper shoe is positioned on lifter plate, can move up and down by OQ t plate, and pole group's fixture props up Support frame frame is positioned on battery case gripper shoe, and pole group's support frame is followed lifter plate and moved up and down, pole group's press pack modules and pole group Support frame is the most corresponding.
Above-mentioned accumulator enters slot device automatically, described in enter groove elevating mechanism and also include that, into groove lift cylinder, two enter groove liter Sending down the abnormal ascending QI cylinder is disposed side by side on base position, respectively enters the groove affixed lifter plate of lifting air cylinder rod, fixing sliding respectively at corner bottom lifter plate Dynamic guide pillar, on base, corresponding every slip guide pillar arranges guide pin bushing, and each slip guide pillar is slidably matched with corresponding guide pin bushing.
Above-mentioned accumulator enters slot device automatically, and described battery case elevating mechanism also includes battery case lift cylinder and four Support guide pillar, two battery case lift cylinders are fixed on lifter plate bottom side by side, each battery case lifting air cylinder rod through lifter plate with Battery case gripper shoe is affixed, affixed pole, top group's fixture support frame of each supporting cell guide, the affixed liter in bottom of each supporting cell guide Fall plate, the corner of battery case gripper shoe passes each supporting cell guide, and battery case gripper shoe is slidably matched with each supporting cell guide.
Above-mentioned accumulator enters slot device automatically, sets up pole group's fixture introducing mechanism, and pole group's fixture introducing mechanism is provided with two sets Import motor, import motor and be arranged at the group's fixture support frame of pole, import motor front end and be in transmission connection friction pulley.
Above-mentioned accumulator enters slot device automatically, sets up battery ejecting mechanism, and battery ejecting mechanism is provided with battery and releases cylinder And cylinder frame, cylinder frame fixes with pole group's fixture support frame, and battery is released cylinder and is fixed on cylinder frame.
Above-mentioned accumulator enters slot device automatically, and the side of described pole group's support frame is provided with pole group's fixture solution lock cylinder, pole Group's fixture unlocks cylinder rod and connects solution lock.
Above-mentioned accumulator enters slot device automatically, and the side of described pole group's support frame is additionally provided with pole group's fixture limiting cylinder, Pole group's fixture limiting cylinder bar connects pole group's fixture limited block.
Above-mentioned accumulator enters slot device automatically, and group's press pack modules top, described pole is overall structure, in the group's press pack modules of pole The affixed connecting plate in portion, connecting plate is connected by screw with head, and group's press pack modules bottom, pole is the six pieces of standalone modules being arranged side by side, Being provided with gap between adjacent standalone module, the bottom of each standalone module is provided with two grooves.
The present invention is directed to solve to improve accumulator enter groove efficiency of assembling and assembling quality and design, described in enter the machine of slot device Head is provided with into channel mould block, hydraulic motor the pole group's fixture having clamped pole group is introduced pole group's fixture carriage by the friction pulley driven Frame, battery jar is placed in the battery case gripper shoe of group's fixture support frame bottom, pole, by entering groove elevating mechanism, battery case liter Descending mechanism interoperation, heads into pole group in battery container.Described device is also provided with pole group's fixture solution lock cylinder and pole group folder Tool limiting cylinder, after pole group enters groove, can be automatically performed fixture and unlock, in order to fixture reloads pole group.The employing present invention can Realize accumulator and automatically enter groove, relieve the physical work that operator is heavy, improve production efficiency, and it is hidden to eliminate safety Suffer from and hidden danger of quality.The present invention can realize the accumulator of different size and enter groove, for the corollary equipment of accumulator assembly line, can meet The needs of accumulator large-scale production.
Accompanying drawing explanation
The invention will be further described below in conjunction with the accompanying drawings.
Fig. 1 is present configuration schematic diagram;
Fig. 2 is the left view of Fig. 1.
Figure is respectively numbered: 1, base, 2, enter groove lift cylinder, 3, column, 4, guide pin bushing, 5, slip guide pillar, 6, lifter plate, 7, battery case gripper shoe, 8, supporting cell guide, 9, pole group's fixture limiting cylinder, 10, pole group's fixture support frame, 11, friction pulley, 12, pole group press pack modules, 12-1, groove, 13, connecting plate, 14, head, 15, cylinder frame, 16, battery release cylinder, 17, battery Shell lift cylinder, 18, import motor, 19, pole group's fixture limited block, 20, pole group's fixture solution lock cylinder, 21, solve lock, 22, electricity Pond shell limiting stand.
Detailed description of the invention
Referring to Fig. 1, Fig. 2, the present invention includes base 1, enters groove elevating mechanism, battery case elevating mechanism, the support of pole group's fixture Framework 10, head 14 and pole group's press pack modules 13.Base is the support member of device, in the both sides of base each fix a row stand Post, head is fixed on column 3 top.Pole group's press pack modules 12 is fixed with head through connecting plate 13, and group's press pack modules top, pole is whole Body, bottom are six pieces of standalone modules side by side, are provided with gap between adjacent standalone module, this gap be used for suppressing during the group of pole each solely Formwork erection block respectively enters in each single lattice of battery case.The bottom of each standalone module is provided with two grooves, and groove 12-1 is for pole The pole on group top is stepped down.
Referring still to Fig. 1, Fig. 2, enter groove elevating mechanism and include lifter plate 6, enter groove lift cylinder 2 and four slip guide pillars 5.Two Individual enter groove lift cylinder be disposed side by side on base position, respectively enter the groove affixed lifter plate of lifting air cylinder rod, bottom lifter plate corner punishment Not fixing slip guide pillar 5, on base, corresponding every slip guide pillar arranges guide pin bushing 4, and each slip guide pillar slides with corresponding guide pin bushing Coordinate, enter and when groove lift cylinder stretches out or shrinks, drive lifter plate rise or fall.
Referring still to Fig. 1, Fig. 2, battery case elevating mechanism will after battery case picking-up, pole group being suppressed before pole group suppresses Accumulator after press-in pole group falls, in order to accumulator is released.Battery case elevating mechanism is provided with battery case gripper shoe 7, battery case Lift cylinder 17 and four supporting cell guides 8.Two battery case lift cylinders are fixed on lifter plate bottom side by side, and each battery case lifts Cylinder rod is affixed with battery case gripper shoe through lifter plate.Affixed pole, top group's fixture support frame 10 of each supporting cell guide, respectively The affixed lifter plate in bottom of supporting cell guide.The corner of the battery case gripper shoe between pole group's fixture support frame and lifter plate Through each supporting cell guide, battery case gripper shoe is slidably matched with each supporting cell guide.It is spacing that battery case gripper shoe is provided with battery case Platform 22.
Referring still to Fig. 1, Fig. 2, setting up pole group's fixture introducing mechanism, pole group's fixture introducing mechanism is provided with two sets and imports motor, Import motor 18 and be arranged on the rear portion of pole group's fixture support frame, import motor front end and be in transmission connection friction pulley 11.Pole group's fixture The effect of introducing mechanism is the pole group's fixture carried by conveyer belt to import under the effect of friction pulley pole group's fixture support At framework.
Referring still to Fig. 1, Fig. 2, setting up battery ejecting mechanism, battery ejecting mechanism is provided with battery and releases cylinder 16 and cylinder frame 15, cylinder frame is fixed with pole group's fixture support frame, and battery is released cylinder and is fixed on cylinder frame.The effect of battery ejecting mechanism It is that the accumulator having press-fited pole group is released battery case gripper shoe.
Referring still to Fig. 1, Fig. 2, pole group's fixture support frame is the frame structure of hollow, on the left of the group's fixture support frame of pole It is provided with pole group's fixture solution lock cylinder 20 and pole group's fixture limiting cylinder 9.Described pole group's fixture unlocks cylinder rod and connects solution lock 21, Pole group solves lock after entering groove and rises, and presses the elastic lock arranged on the group's fixture of pole, makes snap close disengage, and pole group's fixture is at spring force Effect under be returned to releasing orientation.Group's fixture limiting cylinder bar affixed pole, described pole group's fixture limited block 19, suppresses pole group Process pole group's fixture limiting cylinder bar stretches out, spacing to pole group's fixture by pole group's fixture limited block, to complete pole group's pressing process.
Referring still to Fig. 1, Fig. 2, the work process of the present invention is as follows: the pole group's fixture come by conveyer belt conveying is importing horse Reach and import in pole group's fixture support frame 10 under the effect with friction pulley, import motor stall;Pole group's fixture limiting cylinder bar Pole group's fixture limited block is driven to lift, spacing to pole group's fixture;Battery case lift cylinder extending action, promotes battery case gripper shoe Move on battery case even and thereon, contact with pole group's fixture support frame to battery case;Enter groove lift cylinder extending action, push away Moving on dynamic lifter plate, lifter plate drives and moves in battery case gripper shoe, battery case, pole group's fixture support frame, until pole group's fixture In pole group in standalone module effect is pushed down into each single lattice of battery case;Battery case lift cylinder retract action, band galvanic electricity Pond shell gripper shoe moves down together with the accumulator being assembled with pole group, contacts to battery case gripper shoe with lifter plate;Cylinder released by battery Action, releases the accumulator having press-fited pole group, operator is placed in battery case gripper shoe by battery case;Enter groove lifting Cylinders retract action, drives lifter plate, battery case gripper shoe, battery case, pole group's fixture support frame to move down, and extremely group's fixture props up Support frame frame docks with conveyer belt;Pole group's fixture limiting cylinder bar drives pole group's fixture limited block to retract, and releases and limits pole group's fixture Position;Pole group's fixture unlocks cylinder rod and drives solution lock to lift, and imports revolution, and pole group's fixture is unlocked post in moving process Unlock, unlock cylinder rod and regain.The pole group of one accumulator enters groove cycle of operation and completes.The coordination of above-mentioned each cylinder can be by PLC and corresponding photoelectric cell control.

Claims (8)

1. an accumulator enters slot device automatically, it is characterised in that: include base (1), enter groove elevating mechanism, battery case elevator Structure, pole group's fixture support frame (10), head (14) and pole group's press pack modules (12), base both sides are each fixes row's column, vertical Head is fixed on post top, and pole group's press pack modules is fixed on head bottom;Entering groove elevating mechanism and be provided with lifter plate (6), lifter plate can Respect thereto moves up and down, and battery case elevating mechanism is provided with battery case gripper shoe (7), battery case gripper shoe is positioned on lifter plate, Can move up and down by OQ t plate, pole group's fixture support frame is positioned on battery case gripper shoe, and pole group's support frame follows liter Fall plate moves up and down, and pole group's press pack modules is the most corresponding with pole group's support frame.
Accumulator the most according to claim 1 enters slot device automatically, it is characterised in that enters groove elevating mechanism described in: and also includes Entering groove lift cylinder (2), two enter groove lift cylinder and are disposed side by side on base position, respectively enter the groove affixed lifter plate of lifting air cylinder rod, Fixing slip guide pillar (5) bottom lifter plate at corner respectively, on base, corresponding every slip guide pillar arranges guide pin bushing (4), respectively slides Guide pillar is slidably matched with corresponding guide pin bushing.
Accumulator the most according to claim 2 enters slot device automatically, it is characterised in that: described battery case elevating mechanism also wraps Including battery case lift cylinder (17) and four supporting cell guides (8), two battery case lift cylinders are fixed on lifter plate bottom side by side, Each battery case lifting air cylinder rod is affixed with battery case gripper shoe through lifter plate, and affixed pole, top group's fixture of each supporting cell guide props up Support frame frame, the affixed lifter plate in bottom of each supporting cell guide, the corner of battery case gripper shoe passes each supporting cell guide, and battery case supports Plate is slidably matched with each supporting cell guide.
Accumulator the most according to claim 3 enters slot device automatically, it is characterised in that: set up pole group's fixture introducing mechanism, Pole group's fixture introducing mechanism is provided with two sets and imports motor, imports motor (18) and is arranged at the group's fixture support frame of pole, imports horse Reach front end to be in transmission connection friction pulley (11).
Accumulator the most according to claim 4 enters slot device automatically, it is characterised in that: set up battery ejecting mechanism, battery Ejecting mechanism is provided with battery and releases cylinder (16) and cylinder frame (15), and cylinder frame is fixed with pole group's fixture support frame, and battery pushes away Go out cylinder to be fixed on cylinder frame.
Accumulator the most according to claim 5 enters slot device automatically, it is characterised in that: the side of described pole group's support frame Being provided with pole group's fixture solution lock cylinder (20), pole group's fixture unlocks cylinder rod and connects solution lock (21).
Accumulator the most according to claim 6 enters slot device automatically, it is characterised in that: the side of described pole group's support frame Being additionally provided with pole group's fixture limiting cylinder (9), pole group's fixture limiting cylinder bar connects pole group's fixture limited block (19).
Accumulator the most according to claim 7 enters slot device automatically, it is characterised in that: group's press pack modules top, described pole is Overall structure, the affixed connecting plate in group's press pack modules top, pole (13), connecting plate is connected by screw with head, under the group's press pack modules of pole Portion is the six pieces of standalone modules being arranged side by side, and is provided with gap between adjacent standalone module, and the bottom of each standalone module is provided with two Groove.
CN201610725588.6A 2016-08-26 2016-08-26 A kind of battery enters slot device automatically Active CN106299491B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610725588.6A CN106299491B (en) 2016-08-26 2016-08-26 A kind of battery enters slot device automatically

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610725588.6A CN106299491B (en) 2016-08-26 2016-08-26 A kind of battery enters slot device automatically

Publications (2)

Publication Number Publication Date
CN106299491A true CN106299491A (en) 2017-01-04
CN106299491B CN106299491B (en) 2019-01-29

Family

ID=57615132

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610725588.6A Active CN106299491B (en) 2016-08-26 2016-08-26 A kind of battery enters slot device automatically

Country Status (1)

Country Link
CN (1) CN106299491B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106624902A (en) * 2017-02-20 2017-05-10 中山市欧信精密模具有限公司 Clamping structure for mould processing
CN111183531A (en) * 2018-05-30 2020-05-19 株式会社Lg化学 Apparatus and method for mounting battery cells
CN111463498A (en) * 2020-04-15 2020-07-28 天能电池(芜湖)有限公司 Plate group assembling equipment for pre-feeding groove of wrapping plate
CN112768790A (en) * 2020-12-29 2021-05-07 天能电池(芜湖)有限公司 Pre-groove-descending grabbing and positioning device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102751528A (en) * 2012-06-29 2012-10-24 浙江天能动力能源有限公司 Device for sending storage battery polar group into iron box
CN103259053A (en) * 2013-04-27 2013-08-21 上海素朴智能设备制造有限公司 Full-automatic slot incoming machine for storage battery plate pack
CN203690436U (en) * 2014-01-14 2014-07-02 江苏理士电池有限公司 Device for automatically loading cast-weld battery pole group into battery case

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102751528A (en) * 2012-06-29 2012-10-24 浙江天能动力能源有限公司 Device for sending storage battery polar group into iron box
CN103259053A (en) * 2013-04-27 2013-08-21 上海素朴智能设备制造有限公司 Full-automatic slot incoming machine for storage battery plate pack
CN203690436U (en) * 2014-01-14 2014-07-02 江苏理士电池有限公司 Device for automatically loading cast-weld battery pole group into battery case

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106624902A (en) * 2017-02-20 2017-05-10 中山市欧信精密模具有限公司 Clamping structure for mould processing
CN111183531A (en) * 2018-05-30 2020-05-19 株式会社Lg化学 Apparatus and method for mounting battery cells
CN111183531B (en) * 2018-05-30 2022-03-08 株式会社Lg化学 Apparatus and method for mounting battery cells
CN111463498A (en) * 2020-04-15 2020-07-28 天能电池(芜湖)有限公司 Plate group assembling equipment for pre-feeding groove of wrapping plate
CN111463498B (en) * 2020-04-15 2021-12-10 天能电池(芜湖)有限公司 Plate group assembling equipment for pre-feeding groove of wrapping plate
CN112768790A (en) * 2020-12-29 2021-05-07 天能电池(芜湖)有限公司 Pre-groove-descending grabbing and positioning device

Also Published As

Publication number Publication date
CN106299491B (en) 2019-01-29

Similar Documents

Publication Publication Date Title
CN203438334U (en) Wooden tray nailing equipment
CN106299491A (en) A kind of accumulator enters slot device automatically
CN102001081B (en) Automatic clamp spring mounting device
CN202609531U (en) Automatic plate feeding device
CN208738364U (en) A kind of battery modules apparatus for shaping
CN108539117B (en) Cylindrical lithium ion battery annotates liquid and device that stews
CN101399360A (en) Electric core package clip
CN106848368B (en) Battery core enters aluminum hull system
CN108461800A (en) Battery package machine
CN202224913U (en) Electronic igniting element automatic assembly machine
CN210626190U (en) Mobile phone cover detection equipment
CN211279714U (en) Automatic feeding and conveying device and insole forming machine
CN208127326U (en) Battery package machine
CN105720443B (en) A kind of clamping device for wire harness fixing device processing
CN202725861U (en) Full-automatic turned retainer window punching machine
CN206215827U (en) Mechanical 8 word muscle shaping equipment
CN203496215U (en) Full-automatic charging device for silicon steel sheet plastic coating
CN204449837U (en) Bearing assembles gripping mechanism automatically
CN107585349A (en) Battery core module makes band pre-pressing machine
CN103395165B (en) The plastic full-automatic charging apparatus of silicon steel sheet
CN211508147U (en) Automatic shaping device for flexible connection product
CN210061165U (en) Spring clamp floating mechanism
CN216216414U (en) Novel shaft pressing device
CN216683081U (en) Injection molding assembly haulage equipment
CN213079804U (en) Riveting device for elevator fixing plate assembly

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant