CN108202417A - Construction top beam plate drilling device - Google Patents

Construction top beam plate drilling device Download PDF

Info

Publication number
CN108202417A
CN108202417A CN201810162518.3A CN201810162518A CN108202417A CN 108202417 A CN108202417 A CN 108202417A CN 201810162518 A CN201810162518 A CN 201810162518A CN 108202417 A CN108202417 A CN 108202417A
Authority
CN
China
Prior art keywords
plate
tablet
bottom plate
support column
plates
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
CN201810162518.3A
Other languages
Chinese (zh)
Other versions
CN108202417B (en
Inventor
曹立梅
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.)
Taian Yueshou Mixing Station Equipment Co ltd
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN201810162518.3A priority Critical patent/CN108202417B/en
Publication of CN108202417A publication Critical patent/CN108202417A/en
Application granted granted Critical
Publication of CN108202417B publication Critical patent/CN108202417B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28DWORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/14Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by boring or drilling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28DWORKING STONE OR STONE-LIKE MATERIALS
    • B28D7/00Accessories specially adapted for use with machines or devices of the preceding groups

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)

Abstract

Construction top beam plate drilling device effectively solves the problems, such as that drill bit is easily broken under the situation of wall injustice in raising-plate boring procedure;Its technical solution solved includes bottom plate, there are two support plates for the fixation of bottom plate upper surface, support column is fixed in two support plates, it can be around support column pivotal plate there are one being set above bottom plate, during original state, tablet is in horizontality, and there are two guide plates for the fixation of tablet upper surface, there are one movable plates for installation between two guide plates, and the upper end of two guide plates is equipped with pressing plate;Shaft there are one interting in two support columns, gear through support column is installed in shaft, the rack for being placed in gear side and vertically placing is fixed on movable plate, it intermeshes through tablet and with gear the lower end of rack, tablet lower end front and rear sides symmetric position is connected with compression spring with bottom plate upper surface respectively, and tablet is in horizontality when not working under the action of two side pressure springs;Clever structure of the present invention, it is novel.

Description

Construction top beam plate drilling device
Technical field
The present invention relates to technical field of building construction, particularly construction top beam plate drilling devices.
Background technology
Now with equipped with development, building trade development is getting faster, the construction speed of building also greatly promotes, It is frequently necessary to drill to the top plate of building in construction indoor construction, to carry out the installation of ornament positioning, with The development of society, the shape of building is more and more various, this results in the presence for being not necessarily plane of raising-plate.
At present in construction, traditional raising-plate drill construction technique is that people climbs on ladder and carries out hand-held electric hand drill Manual operations is carried out, arm is needed to exert oneself upwards in operation, the labor intensity of worker is big, working efficiency is low, while by Then manual control causes drilling depth and verticality to be difficult to control.In addition the operation height of worker is typically greater than 2m, exists Security risk, the dangerous bigger if drilling on floor side.The drilling equipment that the steel tube poles that occurred later make, from great, Be not easy floor gap carrying, and drill verticality influenced by ground flat degree it is very big.
It is not that artificial drilling when is not easily controlled very much and wall further for some top plates for the building of plane Verticality, be easy to cause the bending of drill bit.
Therefore, design is a kind of can carry out adaptive adjustment to ensure that drill bit is protected always with wall according to different walls Hold it is vertical drill, reduce the labor intensity of worker, reducing the device of the fracture probability of drill bit is necessary.
Invention content
For the above situation, to overcome the defect of the prior art, drilled and filled with raising-plate the present invention provides construction It puts, effectively solves the problems, such as that drill bit is easily broken under the situation of wall injustice in raising-plate boring procedure.
Technical solution of its solution includes horizontal positioned bottom plate, and there are two vertical placement and left and right for the fixation of bottom plate upper surface Symmetrical support plate, it is fixed there are one horizontal positioned support column in two support plates, set that there are one be sleeved on branch above bottom plate Tablet on dagger, tablet can be rotated around support column, and during original state, tablet is in horizontality, and tablet upper surface is fixed with Two vertical to place and symmetrical guide plate, between two guide plates installation there are one the movable plate that can be slided up and down along guide plate, There are one horizontal positioned pressing plates for the upper end installation of two guide plates, and the center of pressing plate offers through-hole;
Intert in two support columns there are one coaxial with support column and rotatable shaft, one end of shaft is placed in support The outside of column is equipped with the gear through support column in shaft, is fixed with what is be placed in gear side and vertically place on movable plate Rack, the lower end of rack are intermeshed through tablet and with gear, 4 lower end front and rear sides symmetric position of tablet respectively on bottom plate End face is connected with compression spring, and tablet is in horizontality when not working under the action of two side pressure springs.
Clever structure of the present invention, it is novel, effectively solve the situation of the wall injustice in raising-plate boring procedure The problem of lower drill bit is easily broken.
Description of the drawings
Fig. 1 is front view of the present invention.
Fig. 2 is main view sectional view of the present invention.
Fig. 3 is side cutaway view of the present invention.
Fig. 4 is vertical view after present invention removal pressing plate.
Fig. 5 is vertical view after present invention removal pressing plate and tablet.
Fig. 6 is partial enlarged view in Fig. 5 of the present invention.
Specific embodiment
The specific embodiment of the present invention is described in further detail below in conjunction with attached drawing.
By Fig. 1-6 it is found that the present invention includes horizontal positioned bottom plate 1,1 upper surface of bottom plate fix place there are two vertical and Symmetrical support plate 2, it is fixed there are one horizontal positioned support column 3 in two support plates 2, there are one 1 top of bottom plate is set The tablet 4 being sleeved on support column 3, tablet 4 can be rotated around support column 3, and during original state, tablet 4 is in horizontality, tablet 4 upper surfaces are fixed places and symmetrical guide plate 5 there are two vertical, and there are one can be along guide plate 5 for installation between two guide plates 5 The movable plate 6 of lower slider, there are one horizontal positioned pressing plate 7, the center of pressing plate 7 offers logical for the upper end installations of two guide plates 5 Hole;
Intert in the support column 3 there are one coaxial with support column 3 and rotatable shaft 8, one end of shaft 8 is placed in support The outside of column 3 is equipped with the gear 9 through support column 3 in shaft 8, is fixed on movable plate 6 and is placed in 9 side of gear and vertical The rack 10 of placement, the lower end of rack 10 are intermeshed through tablet 4 and with gear 9,4 lower end front and rear sides symmetric position of tablet Compression spring 11 is connected with 1 upper surface of bottom plate respectively, tablet 4 is not when working in horizontal under the action of two side pressure springs 11 State.
In order to realize that movable plate 6 can be slided up and down along guide plate 5, opened up respectively on described two opposite end faces of guide plate 5 There are one vertical guide groove 12, the both ends of movable plate 6 are installed on respectively in two guide grooves 12, movable plate 6 can in guide groove 12 edge Guide plate 5 moves up and down.
For the ease of adjusting the rotation of shaft 8, the shaft 8 is placed in one end outside support column 3 equipped with turntable 13, turns The outer circle of disk 13 is equipped with the push rod 14 of multiple circumference uniform distributions, and rotation turntable 13 can drive the rotation of shaft 8.
In order to realize the more preferable engagement of 9 rack 10 of the installation of rack 10 and gear 9 and gear, on the tablet 4 Installation straight slot is offered, support column 3 is divided into two parts from intermediate position, and gear 9 and rack 10 are installed in installation straight slot, Form the structure that gear 9 is engaged with rack 10.
In order to preferably ensure the stability of equilibrium of tablet 4, two are respectively fixed at left and right sides of the lower end of the tablet 4 A balance plate 15 vertically placed, it is logical that the left and right sides of bottom plate 1 offers first be placed in immediately below each balance plate 15 respectively Slot 16 is equipped with the switch block 17 that can be rotated in the first straight slot 16 in first straight slot 16, and the left and right ends of switch block 17 are fixed with pin Axis, the other end of axis pin are inserted into respectively in the left and right sidewall of the first straight slot 16, and switch block 17 can be through axis pin in the first straight slot 16 Rotation, the rear and front end of each switch block 17 is connected with retaining spring 18, switch block between the front-rear side walls of the first straight slot 16 respectively 17 are placed in the lower section of bottom plate 1 through switch block 17 under the action of retaining spring 18 in vertical state, 15 lower end of balance plate, put down To be slidably connected between weighing apparatus plate 15 and switch block 17.
The lower section of the bottom plate 1 is equipped with jacking apparatus, and jacking apparatus includes the extension sleeve for being fixed on 1 lower face of bottom plate 19, extension sleeve 19 passes through hydraulic control.
In drilling, clast waves in order to prevent, and 7 top of pressing plate offers the groove 20 of upper end opening.
The present invention, first will be in the center of movable plate 6 installation electric drill, the center and through-hole of electric drill when specifically used The heart is on same vertical line, when in use, the drill bit to be used size, initial position movable plate is installed on electric drill 6 are located at the bottom of guide groove 12, the position that the center alignment needs of through-hole are drilled, and after aligned position, make to stretch by hydraulic control Contracting sleeve 19 jacks up upwards, can drive moving up for whole device by bottom plate 1 while extension sleeve 19 jacks up upwards, directly Raising-plate is compressed to pressing plate 7;After compression, the upper surface of pressing plate 7 is bonded with raising-plate at this time, and operating personnel can be turned by rotation Disk 13 drives shaft 8 to be rotated, and the rotation of shaft 8 can engage drive movable plate 6 to moving up by gear 9 and rack 10 Dynamic, movable plate 6, which moves up, electric drill to be driven to move up, and drill bit can drill across through-hole, pass through the rotation of turntable 13 Operating personnel can very easily control the speed of rise and fall and the control drilling of drill bit, in boring procedure, due to The upper end of pressing plate 7 opens up fluted 20, and the clast generated in boring procedure can be scattered in groove 20, will not disperse everywhere, together When operating personnel when rotating turntable 13 positioned at the side of drilling, clast will not be confused eye, easy to operation.
Additionally due to tablet 4 can be rotated around support column 3, when bottom plate 1 moves up, if raising-plate is not horizontal shape State, pressing plate 7 can generate rotation when contacting top plate under the action of extruding at this time, until pressing plate 7 is bonded completely with raising-plate, this When stop upward action, and the position of tablet 4 at this time is fixed, operating personnel rotate turntable 13 carry out drilling operation, Since movable plate 6 is slidably mounted in guide plate 5, movable plate 6 can be slided along guide plate 5, and guide plate 5 is fixed with movable plate 6 and tablet 4 Together, when tablet 4 rotates, movable plate 6 can follow rotation, and the moving direction of drill bit can keep vertical configuration with pressing plate 7 always State, since pressing plate 7 is bonded with raising-plate completely, pressing plate 7 is parastate with raising-plate, at this time when carrying out drilling operation, brill Head is vertical with raising-plate holding always, avoids the problem that caused by inclined wall the drill bit easy fracture in boring procedure.
Additionally due to tablet 4 can rotate on support column 3, in order to avoid the inclination of tablet 4 under normal circumstances, flat During 4 normal condition of plate, in order to keep the level of tablet 4, antimere is provided with 11 He of compression spring at left and right sides of the lower part of tablet 4 Balance plate 15, tensile elongation is identical in the case that 11 stress of compression spring of both sides is identical so that tablet 4 is maintained at horizontality, together When be equally connected separately with retaining spring 18 due to the both sides of the switch block 17 on bottom plate 1 so that switch block 17 is in vertical state, puts down The lower end of weighing apparatus plate 15 is slidably mounted in switch block 17, and under the action of switch block 17, tablet 4 can be under the action of balance plate 15 Vertical state;When pressing plate 7 touches oblique wall, under the action of upward top lift, the compression spring 11 of both sides can side quilt It stretches side to be compressed, while the switch block 17 on bottom plate 1 can be rotated to same direction, to adapt to different oblique raising-plates, works as bottom When plate 1 moves down, tablet 4 can restore under the action of compression spring 11 and balance plate 15 to horizontality.
The present invention by devise can the adaptively pressing plates 7 of wall and be combineding with each other for tablet 4 at the top of different gradients, make In to raising-plate boring procedure, can to avoid because caused by the injustice of wall drill when deflection occur, easily cause drill bit and break The phenomenon that splitting facilitates drilling for some special walls in addition, improves versatility.
The present invention is realized and is put down in normal condition also by devising the mutual cooperation of balance plate 15 and switch block 17 and compression spring 11 Plate 4 can keep horizontality, and the convenient raising-plate to rule carries out drilling operation, and after the completion of operation, tablet 4 can automatically reply To horizontality, do not need to think to operate, improve work efficiency.
Operator only needs manipulation hydraulic jacking device to rise device to the present invention when in use, makes the pressing plate 7 of the device It is bonded completely with raising-plate, after complete fitting, operating personnel only need to rotate the action that turntable 13 can facilitate control to drill, The speed and depth of very convenient control drilling, are conveniently operated, time saving and energy saving.
Clever structure of the present invention, it is novel, effectively solve the situation of the wall injustice in raising-plate boring procedure The problem of lower drill bit is easily broken.

Claims (7)

1. construction top beam plate drilling device, which is characterized in that including horizontal positioned bottom plate(1), bottom plate(1)Upper surface It is fixed that there are two vertical placement and symmetrical support plates(2), two support plates(2)There are one horizontal positioned branch for upper fixation Dagger(3), bottom plate(1)Top is sleeved on support column there are one setting(3)On tablet(4), tablet(4)It can be around support column(3)Turn It is dynamic, during original state, tablet(4)In horizontality, tablet(4)Upper surface is fixed places and symmetrical there are two vertical Guide plate(5), two guide plates(5)Between installation there are one can be along guide plate(5)The movable plate slided up and down(6), two guide plates(5)'s There are one horizontal positioned pressing plates for upper end installation(7), pressing plate(7)Center offer through-hole;
Two support columns(3)It is interior it is interspersed there are one and support column(3)Coaxial and rotatable shaft(8), shaft(8)'s One end is placed in support column(3)Outside, shaft(8)On be equipped with through support column(3)Gear(9), movable plate(6)Upper fixation It is placed in gear(9)Side and the rack vertically placed(10), rack(10)Lower end run through tablet(4)And and gear(9)Mutually It is meshed, tablet(4)Lower end front and rear sides symmetric position respectively with bottom plate(1)Upper surface is connected with compression spring(11), tablet(4) In two side pressure springs when not working(11)Under the action of be in horizontality.
2. top beam plate drilling device for building according to claim 1, which is characterized in that two guide plates(5)Phase To end face on opened up respectively there are one vertical guide groove(12), movable plate(6)Both ends be installed on two guide grooves respectively(12) It is interior, movable plate(6)It can be in guide groove(12)It is interior along guide plate(5)It moves up and down.
3. top beam plate drilling device for building according to claim 1, which is characterized in that the shaft(8)It is placed in branch Dagger(3)External one end is equipped with turntable(13), turntable(13)Outer circle be equipped with multiple circumference uniform distributions push rod(14), rotation Turntable(13)Shaft can be driven(8)Rotation.
4. top beam plate drilling device for building according to claim 1, which is characterized in that the tablet(4)On open up There are installation straight slot, support column(3)Two parts, gear are divided into from intermediate position(9)And rack(10)It is installed in installation straight slot It is interior, form gear(9)With rack(10)The structure of engagement.
5. top beam plate drilling device for building according to claim 1, which is characterized in that the tablet(4)Lower end The left and right sides is respectively fixed with two balance plates vertically placed(15), bottom plate(1)The left and right sides offer respectively be placed in it is every A balance plate(15)First straight slot of underface(16), the first straight slot(16)Inside being equipped with can be in the first straight slot(16)Interior rotation Switch block(17), switch block(17)Left and right ends be fixed with axis pin, the other end of axis pin is inserted into the first straight slot respectively(16)A left side On right side wall, switch block(17)It can be through axis pin in the first straight slot(16)Interior rotation, each switch block(17)Rear and front end respectively with One straight slot(16)Front-rear side walls between be connected with retaining spring(18), switch block(17)In retaining spring(18)Under the action of be in Vertical state, balance plate(15)Switch block is run through in lower end(17)It is placed in bottom plate(1)Lower section, balance plate(15)With switch block(17)It Between to be slidably connected.
6. top beam plate drilling device for building according to claim 1, which is characterized in that the bottom plate(1)Lower section Equipped with jacking apparatus, jacking apparatus includes being fixed on bottom plate(1)The extension sleeve of lower face(19), extension sleeve(19)Pass through liquid Voltage-controlled system.
7. top beam plate drilling device for building according to claim 1, which is characterized in that the pressing plate(7)It opens top Groove equipped with upper end opening(20).
CN201810162518.3A 2018-02-26 2018-02-26 Top beam plate drilling device for building construction Active CN108202417B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810162518.3A CN108202417B (en) 2018-02-26 2018-02-26 Top beam plate drilling device for building construction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810162518.3A CN108202417B (en) 2018-02-26 2018-02-26 Top beam plate drilling device for building construction

Publications (2)

Publication Number Publication Date
CN108202417A true CN108202417A (en) 2018-06-26
CN108202417B CN108202417B (en) 2020-08-25

Family

ID=62605522

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810162518.3A Active CN108202417B (en) 2018-02-26 2018-02-26 Top beam plate drilling device for building construction

Country Status (1)

Country Link
CN (1) CN108202417B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109014311A (en) * 2018-08-22 2018-12-18 温州天炽包装有限公司 A kind of luggage processing metal sheet boring device

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203448710U (en) * 2013-07-14 2014-02-26 苏州萃智新技术开发有限公司 Manual tapper
DE102013210951A1 (en) * 2013-06-12 2014-12-18 Robert Bosch Gmbh Processing machine in stand construction
CN204112678U (en) * 2014-09-22 2015-01-21 陈匡飚 Multifunctional decoration construction bracket
CN205614096U (en) * 2016-05-10 2016-10-05 山东菲尔环保科技有限公司 Portable water bores support that punches
CN107498091A (en) * 2017-09-07 2017-12-22 王峰 A kind of construction building top plate vertical drilling device
CN107553419A (en) * 2017-09-28 2018-01-09 吴义锖 One kind building monitoring mark installation auxiliary bore hole device
CN107552840A (en) * 2017-10-23 2018-01-09 佛山瑞普达光电科技有限公司 A kind of air cylinder lifting formula metal derby automatic drilling mechanism
CN206981809U (en) * 2017-06-22 2018-02-09 国建新能科技股份有限公司 A kind of construction servicing unit
CN107724950A (en) * 2017-09-21 2018-02-23 李鹏飞 A kind of swinging perpendicularity adjustable drilling machine

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013210951A1 (en) * 2013-06-12 2014-12-18 Robert Bosch Gmbh Processing machine in stand construction
CN203448710U (en) * 2013-07-14 2014-02-26 苏州萃智新技术开发有限公司 Manual tapper
CN204112678U (en) * 2014-09-22 2015-01-21 陈匡飚 Multifunctional decoration construction bracket
CN205614096U (en) * 2016-05-10 2016-10-05 山东菲尔环保科技有限公司 Portable water bores support that punches
CN206981809U (en) * 2017-06-22 2018-02-09 国建新能科技股份有限公司 A kind of construction servicing unit
CN107498091A (en) * 2017-09-07 2017-12-22 王峰 A kind of construction building top plate vertical drilling device
CN107724950A (en) * 2017-09-21 2018-02-23 李鹏飞 A kind of swinging perpendicularity adjustable drilling machine
CN107553419A (en) * 2017-09-28 2018-01-09 吴义锖 One kind building monitoring mark installation auxiliary bore hole device
CN107552840A (en) * 2017-10-23 2018-01-09 佛山瑞普达光电科技有限公司 A kind of air cylinder lifting formula metal derby automatic drilling mechanism

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109014311A (en) * 2018-08-22 2018-12-18 温州天炽包装有限公司 A kind of luggage processing metal sheet boring device

Also Published As

Publication number Publication date
CN108202417B (en) 2020-08-25

Similar Documents

Publication Publication Date Title
CN207726650U (en) A kind of moving lift type job platform
KR200478234Y1 (en) Core drill apparatus mounted excavator
JP2021055510A (en) Automatic hole expansion device for soil sampling
CN212926092U (en) Foundation pit supporting structure
CN108340002A (en) Raising-plate vertical drilling device
CN108202417A (en) Construction top beam plate drilling device
CN205289841U (en) Water bores tapping machine trompil fixing device
CN213710450U (en) Prefabricated part based on highlight laser positioning technology
CN107780639A (en) A kind of construction protection paints support equipment with eminence
CN107433690A (en) Improve the implementation method for the precision that drilled in construction
CN108356321A (en) Screw regulating type top beam plate drilling device
CN110295757A (en) A kind of construction discharging platform
CN103056418B (en) A kind of for electric drill upward perforating auxiliary scaffold
CN111305753A (en) Geotechnical engineering on-site piling device
CN212272023U (en) Water prevention and control device for coal mine geological engineering
CN210877699U (en) Top plate drilling support
CN208772537U (en) Ceiling drilling equipment
CN208235973U (en) A kind of construction discharging platform
CN117027690B (en) Automatic change drilling rod device of breaking out on
CN103042249B (en) Electric drill stand
CN112482375A (en) Piling device for building construction
CN215213326U (en) Drilling equipment is used in geotechnical engineering reconnaissance
CN220473545U (en) Experimental device
CN211597845U (en) Strutting arrangement is used in underground construction
CN210190177U (en) Perforating machine

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
CB03 Change of inventor or designer information

Inventor after: Huang Chanfei

Inventor after: Cao Limei

Inventor before: Cao Limei

CB03 Change of inventor or designer information
CB02 Change of applicant information
CB02 Change of applicant information

Address after: Building E2, Huangpu garden, No. 438, fengle South Road, Huangpu District, Guangzhou City, Guangdong Province 510000

Applicant after: Cao Limei

Address before: 451150 Henan Zhengzhou Xinzheng Longhu town Zhengzhou Shengda Trade and Management College East Campus Training Building

Applicant before: Cao Limei

GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20210816

Address after: 102200 423, 4 / F, block a, Xinhua future city building, 175 Litang Road, Changping District, Beijing

Patentee after: Li Qiannan

Address before: 510000 building E2, Huangpu garden, No. 438, fengle South Road, Huangpu District, Guangzhou, Guangdong

Patentee before: Cao Limei

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20211210

Address after: 271001 sangjiatuan village, Shanggao sub district office, Taishan District, Tai'an City, Shandong Province

Patentee after: TAIAN YUESHOU MIXING STATION EQUIPMENT Co.,Ltd.

Address before: 102200 423, 4 / F, block a, Xinhua future city building, 175 Litang Road, Changping District, Beijing

Patentee before: Li Qiannan

TR01 Transfer of patent right