CN111705968B - Partition plate installation component in assembly type structure - Google Patents

Partition plate installation component in assembly type structure Download PDF

Info

Publication number
CN111705968B
CN111705968B CN202010482086.1A CN202010482086A CN111705968B CN 111705968 B CN111705968 B CN 111705968B CN 202010482086 A CN202010482086 A CN 202010482086A CN 111705968 B CN111705968 B CN 111705968B
Authority
CN
China
Prior art keywords
assembly
fixed
cross beam
plate
block
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202010482086.1A
Other languages
Chinese (zh)
Other versions
CN111705968A (en
Inventor
祝捷
陈源源
姬长玉
常凯庆
张允亮
李国平
周明柏
李振伟
罗建英
王中凯
邢政
王兆军
张贵星
刘亚鸿
张燕
赵兴旺
李亚光
刘京超
赵本超
杨森
池崇玉
王俊斌
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.)
Jiangsu Provincial Construction Group Co Ltd
Original Assignee
Jiangsu Provincial Construction Group 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 Jiangsu Provincial Construction Group Co Ltd filed Critical Jiangsu Provincial Construction Group Co Ltd
Priority to CN202010482086.1A priority Critical patent/CN111705968B/en
Publication of CN111705968A publication Critical patent/CN111705968A/en
Application granted granted Critical
Publication of CN111705968B publication Critical patent/CN111705968B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/74Removable non-load-bearing partitions; Partitions with a free upper edge
    • E04B2/82Removable non-load-bearing partitions; Partitions with a free upper edge characterised by the manner in which edges are connected to the building; Means therefor; Special details of easily-removable partitions as far as related to the connection with other parts of the building

Abstract

The invention discloses an installation component of an inner partition board of an assembly type building, and relates to the technical field of assembly type buildings; the assembly type building internal partition board mounting assembly comprises a board body, wherein a connecting assembly is fixed on the back surface of the board body, the connecting assembly is connected with a top mounting assembly and a bottom mounting assembly which are positioned on a wall body, the connecting assembly is also connected with the wall body through a first limiting assembly, a second limiting assembly and an anti-falling assembly, and the connecting assembly can be fixed by arranging the top mounting assembly and the bottom mounting assembly, so that the board body can be fixed at the current position, the mounting process of the wall body and the top mounting assembly is very simple, and very good stability can be achieved; and the lower beam movably arranged can be adjusted within an error range, so that the mounting efficiency is improved.

Description

Partition plate installation component in assembly type structure
Technical Field
The invention relates to the technical field of assembly type buildings, in particular to an installation component of an inner partition board of an assembly type building.
Background
With the development of modern industrial technology, building houses can be made in batches like machine production, by transporting prefabricated house components to the construction site for assembly. Buildings assembled from prefabricated parts at the site are called fabricated buildings. The building block is divided into five types, namely a block building, a plate building, a box building, a framework plate building, a rising-rise building and the like according to the form and the construction method of the prefabricated part.
When an assembly type building is installed, an inner partition board needs to be installed, and the existing assembly type building inner partition board installation assembly comprises a first clamping piece, a second clamping piece and a bidirectional bolt mechanism; the first clamping piece comprises a first connecting part and a second connecting part, and a first through hole is formed in the second connecting part; the second clamping piece comprises a third connecting part and a fourth connecting part, and a second through hole is formed in the fourth connecting part; first holder and second holder are connected respectively in the relative both sides of interior partition plate, and two-way bolt mechanism runs through second connecting portion, interior partition plate and fourth connecting portion in proper order and connects the three, and this kind of mounting structure stability is relatively poor in the installation, has certain potential safety hazard, can not finely tune simultaneously, when having the error, can make the installation very hard.
Disclosure of Invention
The invention aims to provide an assembly type building inner partition board mounting assembly to solve the problems.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a wallboard installation component in assembly type structure, includes the wallboard body, and the wallboard body back is fixed with coupling assembling, and coupling assembling is connected with the top installation component and the end installation component that are located the wall body, still be connected through first spacing subassembly, the spacing subassembly of second and prevent falling the subassembly between coupling assembling and the wall body.
On the basis of the technical scheme, the invention also provides the following optional technical scheme:
in one alternative: the connecting assembly comprises a stand column fixedly connected with the wallboard body through a first corner connector, an upper cross beam and a lower cross beam are arranged on the stand column, the upper cross beam is fixedly connected with the stand column, the lower cross beam is movably connected with the stand column, the upper cross beam is connected with the top mounting assembly, and the lower cross beam is connected with the bottom mounting assembly.
In one alternative: the upright post is provided with a first empty groove, a first guide rod is fixed in the first empty groove and is connected with the lower cross beam in a sliding mode, and the lower cross beam is connected with the first empty groove through a first spring.
In one alternative: the top mounting assembly comprises a top support frame fixed at the top of the wall body, the top support frame is fixedly connected with the top of the wall body through a second corner connector, the top support frame is composed of a folded plate, a transverse plate and a vertical plate, and an inserting cavity for the upper cross beam to pass through is formed between the transverse plate and the folded plate.
In one alternative: the folded plate is fixedly provided with a supporting seat, the supporting seat is provided with a first connecting hole, and the top supporting frame is fixedly connected with the upper cross beam through a bolt connecting piece.
In one alternative: the bottom mounting assembly comprises a first buried plate and a second buried plate which are fixed at the bottom of the wall body, a fixed plate is fixed on the first buried plate, a second connecting hole is formed in the fixed plate, a limiting block is fixed on the second buried plate, a first fixing sleeve is fixed on the limiting block, the first fixing sleeve is connected with the lower cross beam in an inserting mode, and the lower cross beam is connected with the limiting block through a second spring.
In one alternative: first spacing subassembly is including fixing the second fixed sleeve on first installation cavity, and first installation cavity sets up in the wall body, and sliding connection has the connecting block in the second fixed sleeve, and passes through third spring and second fixed sleeve connection bottom the connecting block, the top and the drive block fixed connection of connecting block are equipped with the lug on the drive block, the recess joint on lug and the center sill, and the center sill is fixed on the stand.
In one alternative: the second limiting assembly comprises a first connecting plate arranged in the second mounting cavity, an inserting block is fixed on the first connecting plate, the inserting block is inserted into an inserting cylinder fixed on the second connecting plate, and the inserting cylinder is fixed on the stand column.
In one alternative: the second guide bar that the subassembly was fixed in the third installation intracavity prevents falling, sliding connection has first slider on the second guide bar, and first slider passes through the connecting rod and is articulated with the connecting seat that is located on the second slider, and second slider sliding connection is on the third guide bar, and the third guide bar is fixed in the second dead slot, and the second slider passes through the fourth spring and is connected with the second dead slot.
Compared with the prior art, the invention has the following beneficial effects:
by arranging the top mounting assembly and the bottom mounting assembly, the connecting assembly can be fixed, so that the wallboard body can be fixed at the current position, the mounting process of the wall body and the top mounting assembly is very simple, and very good stability can be achieved; the lower cross beam is movably arranged, so that adjustment can be performed within an error range, the mounting efficiency is improved, and the practicability is very good; and through setting up first spacing subassembly, the spacing subassembly of second and preventing the subassembly that falls, further improved stability and security in the wallboard body installation.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the top support frame of the present invention.
Fig. 3 is a schematic structural view of the first limiting assembly of the present invention.
Fig. 4 is a schematic structural view of the first connecting plate and the insertion block of the present invention.
FIG. 5 is a schematic structural diagram of example 2 of the present invention.
Notations for reference numerals: 01-wallboard body, 02-connecting component, 03-wall body, 04-top mounting component, 05-bottom mounting component, 06-first limiting component, 07-second limiting component, 08-anti-falling component, 11-first corner brace, 21-upright post, 22-upper cross beam, 23-lower cross beam, 24-first empty groove, 25-first guide rod, 26-first spring, 31-first mounting cavity, 32-second mounting cavity, 33-third mounting cavity, 41-top support frame, 42-second corner brace, 43-support seat, 44-first connecting hole, 45-folded plate, 46-transverse plate, 47-vertical plate, 48-insertion cavity, 49-bolt connecting piece, 51-first embedded plate, 52-second embedded plate, 53-a fixing plate, 54-a second connecting hole, 55-a limiting block, 56-a first fixing sleeve, 57-a second spring, 61-a second fixing sleeve, 62-a connecting block, 63-a driving block, 64-a convex block, 65-a groove, 66-a middle cross beam, 67-a third spring, 71-a first connecting plate, 72-an inserting block, 73-a second connecting plate, 74-an inserting cylinder, 81-a second guide rod, 82-a first sliding block, 83-a second empty groove, 84-a third guide rod, 85-a fourth spring, 86-a second sliding block, 87-a connecting seat and 88-a connecting rod.
Detailed Description
The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the several views, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practice. The examples are given solely for the purpose of illustration and are not intended to limit the scope of the invention. Any obvious modifications or variations can be made to the present invention without departing from the spirit or scope of the present invention.
Example 1
Referring to fig. 1 to 5, in the embodiment of the invention, the assembly type mounting assembly for the partition board in the building comprises a board body 01, wherein a connecting assembly 02 is fixed on the back surface of the board body 01, so that the board body 01 can be conveniently mounted, and the connecting assembly 02 is connected with a top mounting assembly 04 and a bottom mounting assembly 05 which are positioned on a wall body 03, so that the board body 01 can be stably mounted in front of the wall body 03, and the board body 01 has very good stability and is convenient to mount; in addition, still be connected through first spacing subassembly 06 between coupling assembling 02 and the wall body 03 for stability and the stability after the installation is accomplished further promote in the installation, have very good practicality.
Further, the connecting assembly 02 comprises an upright post 21 fixedly connected with the wallboard body 01 through a first corner connector 11, an upper cross beam 22 and a lower cross beam 23 are arranged on the upright post 21, the upper cross beam 22 is fixedly connected with the upright post 21, and the lower cross beam 23 is movably connected with the upright post 21, so that the mounting is convenient, and the adjustment can be carried out within an error range; the upper cross beam 22 is connected with the top mounting assembly 04, and the lower cross beam 23 is connected with the bottom mounting assembly 05, so that the wallboard body 01 has very good stability and safety after being mounted.
Further, be equipped with first dead slot 24 on the stand 21, first dead slot 24 internal fixation has first guide bar 25, first guide bar 25 and bottom end rail 23 sliding connection, and then conveniently adjust the position of bottom end rail 23, and bottom end rail 23 is connected with first dead slot 24 through first spring 26, and in the installation, when the error is great, the influence that the error brought can be reduced through the position of adjusting bottom end rail 23 for the installation is very simple.
Further, the top mounting assembly 04 comprises a top support frame 41 fixed on the top of the wall 03, and the top support frame 41 is fixedly connected with the top of the wall 03 through a second corner brace 42, so that the top support frame 41 has very good stability; the top support frame 41 consists of a folded plate 45, a transverse plate 46 and a vertical plate 47, an insertion cavity 48 for the upper cross beam 22 to pass through is formed between the transverse plate 46 and the folded plate 45, so that the upper cross beam 22 is conveniently inserted into the top support frame 41, and the top support frame 41 is conveniently connected with the upper cross beam 22; in addition, a supporting seat 43 is fixed on the folded plate 45, a first connecting hole 44 is formed in the supporting seat 43, the supporting seat 43 and the upper beam 22 can be fixed through the first connecting hole 44, the upper beam 22 is fixed, the top supporting frame 41 is fixedly connected with the upper beam 22 through a bolt connecting piece 49, the upper beam 22 is stably inserted into the top supporting frame 41, the stability of the upper beam 22 is very good, and meanwhile, the installation process is also very simple.
Further, the bottom mounting assembly 05 comprises a first buried plate 51 and a second buried plate 52 fixed at the bottom of the wall 03, a fixing plate 53 is fixed on the first buried plate 51, a second connecting hole 54 is formed in the fixing plate 53, and the lower cross beam 23 can be fixed through the second connecting hole 54, so that the top of the wall panel body 01 is also limited, and the wall panel body 01 has very good stability; a limiting block 55 is fixed on the second buried plate 52, a first fixing sleeve 56 is fixed on the limiting block 55, the first fixing sleeve 56 is inserted into the lower beam 23, and the lower beam 23 is connected with the limiting block 55 through a second spring 57; during installation, the lower cross beam 23 is inserted into the first fixing sleeve 56, and then the fixing plate 53 and the lower cross beam 23 are limited by the second connecting hole 54, so that the installation is convenient and the safety is very good.
Further, the first limiting assembly 06 includes a second fixing sleeve 61 fixed on the first mounting cavity 31, the first mounting cavity 31 is disposed in the wall 03, a connecting block 62 is slidably connected in the second fixing sleeve 61, and the bottom of the connecting block 62 is connected to the second fixing sleeve 61 through a third spring 67, that is, the connecting block 62 can move in the length direction of the second fixing sleeve 61, so as to facilitate the extension and retraction of the connecting block 62, the top of the connecting block 62 is fixedly connected to the driving block 63, a protrusion 64 is disposed on the driving block 63, the protrusion 64 is engaged with a groove 65 on the middle cross beam 66, the middle cross beam 66 is fixed on the upright post 21, when being mounted, the driving block 63 is driven by the middle cross beam 66 to move until the protrusion 64 is inserted into the groove 65, at this time, the position of the middle cross beam 66 is limited, so that the middle cross beam 66 can not move any more, and a very good limiting effect is achieved, can keep wallboard body 01 to be located current position, also conveniently install simultaneously.
Furthermore, a second limiting component 07 is arranged between the connecting component 02 and the wall 03, and the second limiting component 07 is convenient for the installation of the wallboard body 01, so that the stability is further improved; the second limiting component 07 comprises a first connecting plate 71 arranged in the second mounting cavity 32, an inserting block 72 is fixed on the first connecting plate 71, the inserting block 72 is inserted into an inserting cylinder 74 fixed on a second connecting plate 73, the inserting cylinder 74 is fixed on the upright post 21, when the second limiting component is mounted, the inserting block 72 is aligned with the second connecting plate 73, and then the inserting block 72 is inserted into the second connecting plate 73, so that the mounting process is very simple.
The top mounting assembly 04 and the bottom mounting assembly 05 are arranged, so that the connecting assembly 02 can be fixed, the wallboard body 01 can be fixed at the current position, the mounting process of the wall body 03 and the top mounting assembly 04 is very simple, and very good stability can be achieved; the lower cross beam 23 which is movably arranged can be adjusted within an error range, so that the mounting efficiency is improved, and the practicability is very good; and through setting up first spacing subassembly 06 and second spacing subassembly 07, stability and security in the 01 installation of wallboard body have further been improved.
Example 2
An anti-falling assembly 08 is further arranged between the connecting assembly 02 and the wall 03, and the anti-falling assembly 08 can play a supporting role and is convenient to install; prevent that subassembly 08 falls fixes second guide bar 81 in third installation cavity 33, sliding connection has first slider 82 on second guide bar 81, first slider 82 is articulated with connecting seat 87 that is located second slider 86 through connecting rod 88, second slider 86 sliding connection is on third guide bar 84, and third guide bar 84 is fixed in second dead slot 83, second slider 86 is connected with second dead slot 83 through fourth spring 85, prevent subassembly 08 falling through the setting, improved the holding power to wallboard body 01, have very good practicality.
The working principle of the invention is as follows: during installation, the upper cross beam 22 is inserted into the insertion cavity 48, the upper cross beam 22 is fixed on the top support frame 41 through the first connecting hole 44 and the bolt connecting piece 49, the middle cross beam 66 is inserted between the driving blocks 63, the insertion block 72 is inserted into the second connecting plate 73, the position of the lower cross beam 23 is adjusted to be inserted into the first fixing sleeve 56, the fixing plate 53 and the lower cross beam 23 are connected through the second connecting hole 54, and the top of the wallboard body 01 is installed.
The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims (6)

1. The assembly type mounting component for the partition board in the building comprises a wallboard body (01), wherein a connecting assembly (02) is fixed on the back surface of the wallboard body (01), and is characterized in that the connecting assembly (02) is connected with a top mounting assembly (04) and a bottom mounting assembly (05) which are positioned on a wall body (03), and the connecting assembly (02) is connected with the wall body (03) through a first limiting assembly (06), a second limiting assembly (07) and an anti-falling assembly (08);
the connecting assembly (02) comprises an upright post (21) fixedly connected with the wallboard body (01) through a first corner connector (11), an upper cross beam (22) and a lower cross beam (23) are arranged on the upright post (21), the upper cross beam (22) is fixedly connected with the upright post (21), the lower cross beam (23) is movably connected with the upright post (21), the upper cross beam (22) is connected with a top mounting assembly (04), and the lower cross beam (23) is connected with a bottom mounting assembly (05);
the top mounting assembly (04) comprises a top support frame (41) fixed to the top of the wall body (03), the top support frame (41) is fixedly connected with the top of the wall body (03) through a second corner connector (42), the top support frame (41) is composed of a folded plate (45), a transverse plate (46) and a vertical plate (47), and an inserting cavity (48) for the upper cross beam (22) to pass through is formed between the transverse plate (46) and the folded plate (45);
end installation component (05) bury board (52) including fixing first board (51) and the second of burying in wall body (03) bottom, first bury and be fixed with fixed plate (53) on board (51), be equipped with second connecting hole (54) on fixed plate (53), the second buries and is fixed with stopper (55) on board (52), be fixed with first fixed sleeve (56) on stopper (55), first fixed sleeve (56) are pegged graft with bottom end rail (23), and bottom end rail (23) are connected with stopper (55) through second spring (57).
2. An assembly type structure internal partition board mounting assembly according to claim 1, wherein the upright post (21) is provided with a first empty slot (24), a first guide rod (25) is fixed in the first empty slot (24), the first guide rod (25) is slidably connected with the lower cross beam (23), and the lower cross beam (23) is connected with the first empty slot (24) through a first spring (26).
3. An assembly type building partition wall plate mounting assembly according to claim 1, wherein a support seat (43) is fixed on the folded plate (45), a first connecting hole (44) is arranged on the support seat (43), and the top support frame (41) is fixedly connected with the upper cross beam (22) through a bolt connecting piece (49).
4. The assembly type building internal partition board mounting assembly according to claim 1, wherein the first limiting assembly (06) comprises a second fixing sleeve (61) fixed on the first mounting cavity (31), the first mounting cavity (31) is arranged in the wall body (03), a connecting block (62) is slidably connected in the second fixing sleeve (61), the bottom of the connecting block (62) is connected with the second fixing sleeve (61) through a third spring (67), the top of the connecting block (62) is fixedly connected with the driving block (63), a protruding block (64) is arranged on the driving block (63), the protruding block (64) is clamped with a groove (65) on the middle cross beam (66), and the middle cross beam (66) is fixed on the upright post (21).
5. An assembly type building internal partition board mounting assembly according to claim 1, wherein the second limiting assembly (07) comprises a first connecting plate (71) arranged in the second mounting cavity (32), an inserting block (72) is fixed on the first connecting plate (71), the inserting block (72) is inserted into an inserting cylinder (74) fixed on the second connecting plate (73), and the inserting cylinder (74) is fixed on the upright post (21).
6. An assembly type building internal partition board mounting assembly according to claim 1, wherein the anti-falling assembly (08) is fixed on a second guide rod (81) in a third mounting cavity (33), the second guide rod (81) is slidably connected with a first sliding block (82), the first sliding block (82) is hinged to a connecting seat (87) on a second sliding block (86) through a connecting rod (88), the second sliding block (86) is slidably connected to a third guide rod (84), the third guide rod (84) is fixed in a second empty groove (83), and the second sliding block (86) is connected with the second empty groove (83) through a fourth spring (85).
CN202010482086.1A 2020-05-29 2020-05-29 Partition plate installation component in assembly type structure Active CN111705968B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010482086.1A CN111705968B (en) 2020-05-29 2020-05-29 Partition plate installation component in assembly type structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010482086.1A CN111705968B (en) 2020-05-29 2020-05-29 Partition plate installation component in assembly type structure

Publications (2)

Publication Number Publication Date
CN111705968A CN111705968A (en) 2020-09-25
CN111705968B true CN111705968B (en) 2022-06-24

Family

ID=72538447

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010482086.1A Active CN111705968B (en) 2020-05-29 2020-05-29 Partition plate installation component in assembly type structure

Country Status (1)

Country Link
CN (1) CN111705968B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112575927A (en) * 2020-12-31 2021-03-30 吴立昌 Novel building wall with good heat preservation effect and application thereof

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202627269U (en) * 2012-04-19 2012-12-26 四川华西建筑装饰工程有限公司 Novel curtain wall hanging piece
CN207538249U (en) * 2017-11-04 2018-06-26 深圳市子煜钢结构工程有限公司 A kind of wallboard node installation structure
CN108049532A (en) * 2018-01-08 2018-05-18 天津达因建材有限公司 Assembling type partition wall
CN207469648U (en) * 2018-03-12 2018-06-08 湖北沛函建设有限公司 A kind of connector of the prefabricated plug-in wall of assembled architecture
CN210122775U (en) * 2019-03-31 2020-03-03 上海鼎美幕墙工程技术有限公司 Curtain wall dry hanging structure and building curtain wall
CN209799081U (en) * 2019-04-03 2019-12-17 江苏诗奈德建材有限公司 Partition wall body assembled in advance

Also Published As

Publication number Publication date
CN111705968A (en) 2020-09-25

Similar Documents

Publication Publication Date Title
CN111705968B (en) Partition plate installation component in assembly type structure
CN111877611B (en) Assembled unit aluminum curtain wall
CN210151999U (en) Assembly type building structure
CN215563373U (en) Connection structure of concatenation formula curtain
CN211523649U (en) Movable energy-saving partition board for green building
CN207847464U (en) A kind of assembly timber
CN216109117U (en) House building antidetonation support structure
CN110005150B (en) Multi-section translation type assembly building stair
CN111851998A (en) Make things convenient for building templates strutting arrangement of dismouting
CN219080647U (en) Building engineering earthquake-resistant structure
CN219633635U (en) Assembly platform of cultural relic storehouse door
CN211312228U (en) Auxiliary equipment for T-beam erection
CN217109261U (en) Energy-saving and environment-friendly lighting device for mine
CN220415124U (en) Upper inner door pulley block of hanging sliding door
CN219327397U (en) Building construction safety warning rail
CN220080587U (en) Lightweight aggregate microporous concrete prefabricated externally hung wallboard
CN220890675U (en) Quick-assembly hidden connecting buckle
CN111794387B (en) Steel structure connecting piece convenient to installation
CN216276145U (en) Assembled steel structure building
CN217782987U (en) Reinforced structure of container type house
CN215105996U (en) Stable and flexible assembly type building component
CN218970381U (en) Abnormal shape mixes curtain unit
CN217998416U (en) Novel connecting piece special for outer wall
CN219887484U (en) Door type bracket
CN220888332U (en) Steel structure fixing device for bridge 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
GR01 Patent grant
GR01 Patent grant