CN113005875A - Support structure for anti-deformation steel trestle platform - Google Patents

Support structure for anti-deformation steel trestle platform Download PDF

Info

Publication number
CN113005875A
CN113005875A CN202110353153.4A CN202110353153A CN113005875A CN 113005875 A CN113005875 A CN 113005875A CN 202110353153 A CN202110353153 A CN 202110353153A CN 113005875 A CN113005875 A CN 113005875A
Authority
CN
China
Prior art keywords
limiting plate
support
main support
wall
guide head
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.)
Pending
Application number
CN202110353153.4A
Other languages
Chinese (zh)
Inventor
武辉
王梯普
熊俊
臧晓龙
李军
刘敏
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.)
CCCC Seventh Engineering Co Ltd
Original Assignee
CCCC Seventh Engineering 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 CCCC Seventh Engineering Co Ltd filed Critical CCCC Seventh Engineering Co Ltd
Priority to CN202110353153.4A priority Critical patent/CN113005875A/en
Publication of CN113005875A publication Critical patent/CN113005875A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D15/00Movable or portable bridges; Floating bridges
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00Structural or constructional details of bridges
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D2101/00Material constitution of bridges
    • E01D2101/30Metal

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Ladders (AREA)

Abstract

The invention discloses an anti-deformation support structure for a steel trestle platform, which comprises a base plate, wherein the top of the base plate is provided with a guide block in a sliding manner, and the edge of the upper surface of the guide block is provided with a limiting plate; the side wall of the main support is provided with the limiting plate in a fitting manner, and a supporting rod for improving the structural strength is connected between the top of the limiting plate and the upper surface of the guide block; the connecting column is inserted into a positioning hole formed in the top of the main support, a steel stand is welded at the upper end of the connecting column, a guide head is vertically connected to the center of the lower end face of the connecting column, and the guide head is tightly attached to the inner wall of the positioning hole. This steel landing stage supporting structure for platform of preapring for an unfavorable turn of events shape is provided with and prevents deformation protection architecture, can the limited deformation volume that reduces the long-time back of using of landing stage platform support, and the life of extension landing stage reduces safe risk, and landing stage platform and support can quick assembly disassembly, have improved user's installation effectiveness.

Description

Support structure for anti-deformation steel trestle platform
Technical Field
The invention relates to the technical field of trestle construction, in particular to an anti-deformation support structure for a steel trestle platform.
Background
The landing stage platform is a bridge type bearing structure of building temporarily, has extensive use in places such as station, scenic spot and harbour, and its mainly used bears the passenger and loads and unloads goods, and the landing stage comprises steel material mostly, and long-term the back of using, the steel construction produces can the skew of deformation, and current landing stage platform support still has some problems nevertheless.
For example, a fabricated steel structure trestle with publication number CN212426687U, including trestle ramp, ramp ladder, protection component, trestle frame, reinforcing steel plate, first pier stud grudging post, assembly component and supporting component, the both sides of trestle frame all are provided with the trestle ramp, be provided with assembly component … … between trestle ramp and the trestle frame. It does not set up putting of landing stage support and warp protection architecture, and the landing stage uses the back for a long time, and the deformation displacement volume of support is great, has reduced the life of landing stage, has improved to have and has had great potential safety hazard, and landing stage platform and support are difficult to quick assembly disassembly, have reduced user's installation effectiveness.
Aiming at the problems, innovative design is urgently needed on the basis of the original trestle platform support.
Disclosure of Invention
The invention aims to provide an anti-deformation support structure for a steel trestle platform, and aims to solve the problems that the existing trestle platform support is provided in the background art, an expansion deformation protection structure of the trestle support is not arranged, after a trestle is used for a long time, the deformation displacement of the support is large, the service life of the trestle is shortened, the potential safety hazard is increased, the trestle platform and the support are difficult to rapidly disassemble and assemble, and the installation efficiency of a user is reduced.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a shape of preapring for an unfavorable turn of events steel trestle supporting structure for platform, includes:
the top of the base plate is provided with a guide block in a sliding mode, and the edge of the upper surface of the guide block is provided with a limiting plate;
the side wall of the main support is provided with the limiting plate in a fitting manner, and a supporting rod for improving the structural strength is connected between the top of the limiting plate and the upper surface of the guide block;
the connecting column is inserted into a positioning hole formed in the top of the main support, a steel stand is welded at the upper end of the connecting column, a guide head is vertically connected to the center of the lower end face of the connecting column, and the guide head is tightly attached to the inner wall of the positioning hole.
Preferably, 2 groups of limiting sliding grooves which are symmetrically distributed are formed in the top of the base plate, the cross section of each limiting sliding groove in the base plate is of a T-shaped structure, and the guide block is embedded in each limiting sliding groove, so that the guide block can move on the base plate.
Preferably, the bracing piece is personally submitted 60 inclination slope settings in the level, and the bracing piece tip installs the limiting plate that is circular-arc structure to the limiting plate that the symmetry set up surrounds the main support, limiting plate slidable mounting is on the threaded rod, and the end connection of threaded rod is in on the lateral wall of main support to threaded connection has the hand wheel that plays the fastening effect on the threaded rod, utilizes 2 limiting plates to prevent main support deformation skew.
Preferably, the guide head and the positioning hole are in a conical structure, an annular groove is formed in the top of the guide head, and a clamping block is attached to the groove of the guide head to form a fixing structure of the guide head.
Preferably, the cross section of the clamping block is of a trapezoidal structure, and the clamping block is slidably mounted on the inner wall of the main support, so that the clamping block can move on the main support.
Preferably, the side wall of the fixture block is vertically connected with an inner rod for guiding, the inner rod is inserted into the inner wall of the outer cylinder, and the end part of the outer cylinder is welded on the outer wall of the main support, so that the inner rod can move in the outer cylinder.
Preferably, a spring capable of driving the fixture block to elastically reset is connected between the end of the inner rod and the inner wall of the outer barrel, a traction wire penetrating through the outer barrel is arranged on the inner side of the spring, and the end of the traction wire is connected to the inner rod, so that the traction wire can drive the inner rod to move.
Compared with the prior art, the invention has the beneficial effects that: the support structure for the anti-deformation steel trestle platform is provided with an anti-deformation protection structure, so that the deformation amount of the trestle platform support after long-time use can be reduced in a limited manner, the service life of the trestle is prolonged, the safety risk is reduced, and the trestle platform and the support can be quickly disassembled and assembled, so that the mounting efficiency of a user is improved;
1. the end part of the support rod is provided with a limiting plate in an arc-shaped structure, the limiting plate is slidably arranged on a threaded rod, the threaded rod is in threaded connection with a hand wheel playing a fastening role, when the hand wheel rotates clockwise, the hand wheel can push the limiting plate to move towards the main support, the corresponding limiting plate is fixed on the main support by the hand wheel, and the deformation of the main support is prevented by the limiting plate;
2. the guide head that is the coniform structure is installed to the lower extreme of spliced pole, and the inner wall laminating setting of guide head and locating hole for when the spliced pole pushed down, pressure was used in the center axis of main support, prevented that pressure direction skew from leading to the main support deformation, and at the in-process that the guide head pushed down simultaneously, the spring can push the fixture block in the overhead annular groove of guide through the reset action, realizes the quick fixed of guide head.
Drawings
FIG. 1 is a schematic view of the overall external structure of the present invention;
FIG. 2 is a schematic view of a guide block mounting structure according to the present invention;
FIG. 3 is a schematic view of a mounting structure of a limiting plate according to the present invention;
FIG. 4 is a schematic view of a guide head mounting structure of the present invention;
fig. 5 is a schematic view of the inner rod mounting structure of the present invention.
In the figure: 1. a substrate; 2. a guide block; 3. a limiting plate; 4. a support bar; 5. a main support; 6. a threaded rod; 7. a hand wheel; 8. connecting columns; 9. a steel stand platform; 10. a guide head; 11. positioning holes; 12. a clamping block; 13. an inner rod; 14. an outer cylinder; 15. a spring; 16. and (6) pulling the wire.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a shape of preapring for an unfavorable turn of events steel trestle supporting structure for platform, includes:
the top of the base plate 1 is provided with a guide block 2 in a sliding mode, and the edge of the upper surface of the guide block 2 is provided with a limiting plate 3;
a limiting plate 3 is attached to the side wall of the main support 5, and a supporting rod 4 for improving the structural strength is connected between the top of the limiting plate 3 and the upper surface of the guide block 2;
the connecting column 8 is inserted into a positioning hole 11 formed in the top of the main support 5, a steel support 9 is welded at the upper end of the connecting column 8, a guide head 10 is vertically connected to the center of the lower end face of the connecting column 8, and the guide head 10 is tightly attached to the inner wall of the positioning hole 11.
The top of the base plate 1 is provided with 2 groups of symmetrically distributed limiting chutes, the cross section of the limiting chutes on the base plate 1 is of a T-shaped structure, guide blocks 2 are embedded in the limiting chutes, the support rod 4 is obliquely arranged at an inclination angle of 60 degrees on the horizontal plane, the end part of the support rod 4 is provided with a limiting plate 3 of an arc-shaped structure, the main support 5 is surrounded by the limiting plates 3 which are symmetrically arranged, the limiting plate 3 is slidably arranged on a threaded rod 6, the end part of the threaded rod 6 is connected on the side wall of the main support 5, a hand wheel 7 playing a fastening role is in threaded connection with the threaded rod 6, when a user rotates the hand wheel 7 clockwise, the hand wheel 7 moves along the threaded rod 6 due to threaded connection between the hand wheel 7 and the threaded rod 6, the hand wheel 7 is used for pushing the limiting plate 3 which is slidably arranged on the threaded rod 6 to, make the limiting plate 3 fastening on the lateral wall of main support 5, utilize 2 limiting plates 3 that surround main support 5, effectively reduce the deformation space of main support 5.
The guide head 10 and the positioning hole 11 are in a conical structure, the top of the guide head 10 is provided with an annular groove, the groove of the guide head 10 is internally provided with a fixture block 12 in a fit manner, the section of the fixture block 12 is in a trapezoidal structure, the fixture block 12 is slidably mounted on the inner wall of the main support 5, the side wall of the fixture block 12 is vertically connected with an inner rod 13 playing a role in guiding, the inner rod 13 is inserted on the inner wall of the outer cylinder 14, the end part of the outer cylinder 14 is welded on the outer wall of the main support 5, a spring 15 capable of driving the fixture block 12 to elastically reset is connected between the end part of the inner rod 13 and the inner wall of the outer cylinder 14, the inner side of the spring 15 is provided with a traction wire 16 penetrating through the outer cylinder 14, the end part of the traction wire 16 is connected on the inner rod 13, when the steel support 9 needs to be installed, a user inserts the connecting column 8, when the guide head 10 extrudes the inclined surface at the end of the fixture block 12, the fixture block 12 is pushed outwards, the fixture block 12 pushes the inner rod 13 to the inner part of the outer cylinder 14, the inner rod 13 compresses the spring 15, when the annular groove at the top of the guide head 10 is overlapped with the fixture block 12, the fixture block 12 is not stressed by the pressure of the guide head 10, at the moment, the spring 15 can push the inner rod 13 and the fixture block 12 to the guide head 10 through the reset action, so that the fixture block 12 enters the groove on the guide head 10, and the guide head 10 is rapidly fixed.
The working principle is as follows: when using this steel trestle platform of preapring for an unfavorable turn of events shape to use supporting structure, at first refer to fig. 1-5, the user will install when this device, clockwise rotation hand wheel 7, hand wheel 7 moves to main support 5 along threaded rod 6 this moment, when hand wheel 7 contacts with limiting plate 3, hand wheel 7 promotes limiting plate 3 along 6 synchronous movement of threaded rod, limiting plate 3 drives guide block 2 and slides in the spacing spout on base plate 1, utilize hand wheel 7 to fix limiting plate 3 on the outer wall of main support 5, when main support 5 takes place to deform, limiting plate 3 that surrounds main support 5 plays the constraint effect to main support 5 and prevents its deformation:
referring to fig. 1-5, when a user needs to install the steel frame 9, the connecting column 8 and the guiding head 10 at the bottom of the steel frame 9 are inserted into the positioning hole 11, the guiding head 10 first presses the clamping block 12, the clamping block 12 drives the inner rod 13 to move towards the inside of the outer cylinder 14, the spring 15 is compressed under the pressing of the inner rod 13, the guiding head 10 continues to move downwards, when the annular groove on the guide head 10 is coincident with the position of the fixture block 12, the spring 15 pushes the inner rod 13 and the fixture block 12 to the guide head 10 through the reset action, at this time, the fixture block 12 enters the groove on the guide head 10, thereby fixing the guide head 10 in the positioning hole 11, realizing the rapid installation of the steel stand 9, when a user needs to disassemble the steel stand 9, pulling the pull wire 16 by hand, utilizing the pull wire 16 to drive the inner rod 13 to move, so that the fixture block 12 at the end of the inner rod 13 is separated from the groove on the guide head 10, and the steel frame table 9 can be lifted at the moment.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims (7)

1. The utility model provides a support structure for steel trestle platform of preapring for an unfavorable turn of events shape which characterized in that includes:
the top of the base plate is provided with a guide block in a sliding mode, and the edge of the upper surface of the guide block is provided with a limiting plate;
the side wall of the main support is provided with the limiting plate in a fitting manner, and a supporting rod for improving the structural strength is connected between the top of the limiting plate and the upper surface of the guide block;
the connecting column is inserted into a positioning hole formed in the top of the main support, a steel stand is welded at the upper end of the connecting column, a guide head is vertically connected to the center of the lower end face of the connecting column, and the guide head is tightly attached to the inner wall of the positioning hole.
2. The support structure for the anti-deformation steel trestle platform according to claim 1, which is characterized in that: the top of base plate is seted up 2 groups spacing spouts of symmetric distribution, and the cross-section of spacing spout on the base plate is "T" shape structure to spacing spout is embedded to be equipped with the guide block.
3. The support structure for the anti-deformation steel trestle platform according to claim 1, which is characterized in that: the bracing piece is personally submitted 60 inclination slope settings in the level, and the bracing piece tip installs the limiting plate that is circular-arc structure to the limiting plate that the symmetry set up surrounds the main support, limiting plate slidable mounting is on the threaded rod, and the end connection of threaded rod is in on the lateral wall of main support, and threaded connection has the hand wheel that plays the fastening effect on the threaded rod.
4. The support structure for the anti-deformation steel trestle platform according to claim 1, which is characterized in that: the guide head and the positioning hole are of a conical structure, an annular groove is formed in the top of the guide head, and a clamping block is attached to the groove of the guide head.
5. The support structure for the anti-deformation steel trestle platform according to claim 4, characterized in that: the section of the fixture block is of a trapezoidal structure, and the fixture block is slidably mounted on the inner wall of the main support.
6. The support structure for the anti-deformation steel trestle platform according to claim 4, characterized in that: the side wall of the clamping block is vertically connected with an inner rod which plays a role in guiding, the inner rod is inserted into the inner wall of the outer barrel, and the end part of the outer barrel is welded on the outer wall of the main support.
7. The support structure for the anti-deformation steel trestle platform according to claim 6, characterized in that: the spring that can drive fixture block elasticity and reset is connected with between interior rod tip and the urceolus inner wall, the inboard of spring is provided with the pull wire that link up the urceolus, and the end connection of pull wire is on interior rod.
CN202110353153.4A 2021-03-31 2021-03-31 Support structure for anti-deformation steel trestle platform Pending CN113005875A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110353153.4A CN113005875A (en) 2021-03-31 2021-03-31 Support structure for anti-deformation steel trestle platform

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110353153.4A CN113005875A (en) 2021-03-31 2021-03-31 Support structure for anti-deformation steel trestle platform

Publications (1)

Publication Number Publication Date
CN113005875A true CN113005875A (en) 2021-06-22

Family

ID=76387778

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110353153.4A Pending CN113005875A (en) 2021-03-31 2021-03-31 Support structure for anti-deformation steel trestle platform

Country Status (1)

Country Link
CN (1) CN113005875A (en)

Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202755319U (en) * 2012-09-20 2013-02-27 哈密公路管理局 Bridge rapid support frame
CN204530512U (en) * 2015-04-07 2015-08-05 程玉恒 A kind of unsafe bridge maintenance and renovation bridge support frame
CN105525752A (en) * 2016-01-20 2016-04-27 江西师范大学 Formwork support rod
CN206753112U (en) * 2017-05-17 2017-12-15 贾大兵 A kind of Quick Release tripod bracing members
CN107630567A (en) * 2017-10-23 2018-01-26 广州市婵昕生物科技有限责任公司 A kind of novel building ergonomic support device
CN107772923A (en) * 2017-10-25 2018-03-09 无锡市三阳生态农业发展有限公司 A kind of vegetables of conveniently adjusting angle sale frame
CN108167536A (en) * 2017-11-17 2018-06-15 江苏壹鼎崮机电科技有限公司 A kind of building seismatic method for pipeline suspension and support of combined convenient installation
CN207905342U (en) * 2017-06-15 2018-09-25 郑州工业应用技术学院 A kind of scaffold for building with self-locking function
CN208034176U (en) * 2018-04-11 2018-11-02 哈尔滨汽轮机厂有限责任公司 A kind of milling bolt turret head jacking mechanism
CN208702198U (en) * 2018-08-24 2019-04-05 共青城东方高科实业有限公司 A kind of rack fabrication and installation unit supports device
CN109629849A (en) * 2018-12-28 2019-04-16 江苏宇辉住宅工业有限公司 A kind of novel single tube support lifted for precast beam and prefabricated superimposed sheet
CN209043229U (en) * 2018-11-08 2019-06-28 深圳乐有科技有限公司 A kind of inductive displacement transducer improving stability
CN110130234A (en) * 2019-05-07 2019-08-16 东南大学 A kind of novel bridge reinforcement system and its construction method
CN209958337U (en) * 2019-02-02 2020-01-17 青岛瑞安建工集团有限公司 Foundation pile for hydraulic engineering building
CN112031418A (en) * 2020-08-17 2020-12-04 浙江舜杰建筑集团股份有限公司 Temporary supporting device of aluminum formwork for building construction
CN212836808U (en) * 2020-05-08 2021-03-30 苏州固百年建设科技有限公司 Adjustable anti-seismic reinforcing plate for building engineering

Patent Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202755319U (en) * 2012-09-20 2013-02-27 哈密公路管理局 Bridge rapid support frame
CN204530512U (en) * 2015-04-07 2015-08-05 程玉恒 A kind of unsafe bridge maintenance and renovation bridge support frame
CN105525752A (en) * 2016-01-20 2016-04-27 江西师范大学 Formwork support rod
CN206753112U (en) * 2017-05-17 2017-12-15 贾大兵 A kind of Quick Release tripod bracing members
CN207905342U (en) * 2017-06-15 2018-09-25 郑州工业应用技术学院 A kind of scaffold for building with self-locking function
CN107630567A (en) * 2017-10-23 2018-01-26 广州市婵昕生物科技有限责任公司 A kind of novel building ergonomic support device
CN107772923A (en) * 2017-10-25 2018-03-09 无锡市三阳生态农业发展有限公司 A kind of vegetables of conveniently adjusting angle sale frame
CN108167536A (en) * 2017-11-17 2018-06-15 江苏壹鼎崮机电科技有限公司 A kind of building seismatic method for pipeline suspension and support of combined convenient installation
CN208034176U (en) * 2018-04-11 2018-11-02 哈尔滨汽轮机厂有限责任公司 A kind of milling bolt turret head jacking mechanism
CN208702198U (en) * 2018-08-24 2019-04-05 共青城东方高科实业有限公司 A kind of rack fabrication and installation unit supports device
CN209043229U (en) * 2018-11-08 2019-06-28 深圳乐有科技有限公司 A kind of inductive displacement transducer improving stability
CN109629849A (en) * 2018-12-28 2019-04-16 江苏宇辉住宅工业有限公司 A kind of novel single tube support lifted for precast beam and prefabricated superimposed sheet
CN209958337U (en) * 2019-02-02 2020-01-17 青岛瑞安建工集团有限公司 Foundation pile for hydraulic engineering building
CN110130234A (en) * 2019-05-07 2019-08-16 东南大学 A kind of novel bridge reinforcement system and its construction method
CN212836808U (en) * 2020-05-08 2021-03-30 苏州固百年建设科技有限公司 Adjustable anti-seismic reinforcing plate for building engineering
CN112031418A (en) * 2020-08-17 2020-12-04 浙江舜杰建筑集团股份有限公司 Temporary supporting device of aluminum formwork for building construction

Similar Documents

Publication Publication Date Title
AU2012373801A1 (en) Early-removal formwork system for concreting of constructions comprising beams, plates and columns
CN113777444B (en) Overhead line fault monitoring device
CN103255907A (en) Overhanging type scaffold
CN113005875A (en) Support structure for anti-deformation steel trestle platform
CN113026953A (en) All-aluminum assembly component for assembly type building
JP5954765B2 (en) Solar array mount
CN214935392U (en) Cantilever gantry hoisting device
CN210316624U (en) Precast beam bracing structure
CN110080540B (en) Large-span steel structure sliding device and construction method thereof
CN209941512U (en) Supporting shear part for lower cross beam of inclined tower of cable-stayed bridge
CN218091432U (en) Assembled high safe type prefabricated outer shear wall
CN202839648U (en) Single-column impact stake solar stand
CN219411215U (en) Integrated assembly type steel structure building
CN112376992A (en) Railing is assembled with assembled to building decoration
CN111676810A (en) Bridge support capable of being partially replaced and mounting method thereof
CN209114966U (en) A kind of outdoor antirust fence support column of high stability energy
CN211647492U (en) Prefabricated stand
CN106006448B (en) A kind of more jack unit equipments
CN218815593U (en) Angle steel tower foot reinforcing apparatus
CN219196803U (en) Protection node of girder steel of assembled steel construction building outer wall department
CN214531727U (en) Novel elevator well
CN213015523U (en) Fixing mechanism for repairing wooden railing of ancient building
CN213774624U (en) Building construction stair
CN216157328U (en) Outdoor rail convenient to installation
CN211395696U (en) Steel supporting bottom plate for building construction

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
RJ01 Rejection of invention patent application after publication

Application publication date: 20210622

RJ01 Rejection of invention patent application after publication