CN113882639A - Multifunctional construction platform - Google Patents
Multifunctional construction platform Download PDFInfo
- Publication number
- CN113882639A CN113882639A CN202111195184.8A CN202111195184A CN113882639A CN 113882639 A CN113882639 A CN 113882639A CN 202111195184 A CN202111195184 A CN 202111195184A CN 113882639 A CN113882639 A CN 113882639A
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- Prior art keywords
- bearing plate
- rotating disc
- construction platform
- driving mechanism
- sliding
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- Pending
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- 238000010276 construction Methods 0.000 title claims abstract description 63
- 238000009435 building construction Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000026058 directional locomotion Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G1/00—Scaffolds primarily resting on the ground
- E04G1/15—Scaffolds primarily resting on the ground essentially comprising special means for supporting or forming platforms; Platforms
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G1/00—Scaffolds primarily resting on the ground
- E04G1/18—Scaffolds primarily resting on the ground adjustable in height
- E04G1/22—Scaffolds having a platform on an extensible substructure, e.g. of telescopic type or with lazy-tongs mechanism
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G1/00—Scaffolds primarily resting on the ground
- E04G1/24—Scaffolds primarily resting on the ground comprising essentially special base constructions; comprising essentially special ground-engaging parts, e.g. inclined struts, wheels
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/02—Scaffold feet, e.g. with arrangements for adjustment
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention relates to the technical field related to building construction, in particular to a multifunctional construction platform, which comprises: the rotary disc is rotatably arranged on the base and is driven to rotate by a rotation adjusting mechanism arranged on the base; the bearing plate is connected with the rotating disc in a sliding mode through a sliding assembly; the lifting driving mechanism is connected with the bearing plate and the base and is used for driving the bearing plate to vertically move so as to change the vertical height of the bearing plate; the standing table is slidably mounted on the bearing plate and is connected with a driving mechanism mounted on the bearing plate; the balance assembly slides on the bearing plate through the guide assembly, is further connected with the driving mechanism, and drives the standing platform and the balance assembly to move in the opposite direction when the driving mechanism works.
Description
Technical Field
The invention relates to the technical field related to building construction, in particular to a multifunctional construction platform.
Background
The building construction refers to production activities in the engineering construction implementation stage, is the construction process of various buildings, and also can be a process of changing various lines on a design drawing into a real object at a specified place. The method comprises foundation engineering construction, main structure construction, roofing engineering construction, decoration engineering construction and the like. The site of the construction work is called a "construction site" or "job site", also called a worksite.
In construction or in the construction of indoor wall top, generally need use construction platform to realize high operation, but the construction scope of current construction platform is fixed, only can be under construction at the within range of construction platform size, when other position constructions need be carried out to needs, need remove many times or build construction platform, it is inconvenient to use.
Disclosure of Invention
The invention aims to provide a multifunctional construction platform to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a multi-functional construction platform, comprising:
the rotary disc is rotatably arranged on the base and is driven to rotate by a rotation adjusting mechanism arranged on the base;
the bearing plate is connected with the rotating disc in a sliding mode through a sliding assembly;
the lifting driving mechanism is connected with the bearing plate and the base and is used for driving the bearing plate to vertically move so as to change the vertical height of the bearing plate;
the standing table is slidably mounted on the bearing plate and is connected with a driving mechanism mounted on the bearing plate;
the balance assembly slides on the bearing plate through the guide assembly, is further connected with the driving mechanism, and drives the standing platform and the balance assembly to move in the opposite direction when the driving mechanism works.
As a further scheme of the invention: the lifting driving mechanism comprises an electric telescopic rod arranged on the rotating disc, and the movable end of the electric telescopic rod is fixedly connected with the bearing plate.
As a still further scheme of the invention: the lifting driving mechanism comprises two connecting rods which are hinged with each other, one end of each connecting rod, which is located on the same vertical plane, is hinged to the receiving plate and the rotating disc respectively, the other end of each connecting rod slides on the rotating disc and the receiving plate respectively, and one end of each connecting rod slides on the rotating disc is connected with the movable end of the telescopic rod installed on the rotating disc.
As a still further scheme of the invention: the sliding assembly comprises at least four guide rods fixed on the rotating disc and a sliding sleeve sleeved on each guide rod, and the sliding sleeve is fixedly connected with the bearing plate.
As a still further scheme of the invention: the rotation adjusting mechanism comprises a supporting frame fixed at the side end of the base and a first motor installed on the supporting frame, a first gear is fixed on an output shaft of the first motor, and the first gear is meshed with an arc-shaped rack fixed at the side edge of the rotating disc.
As a still further scheme of the invention: two sliding chutes are fixed on one side of the standing platform facing the bearing plate, and the sliding chutes are slidably mounted on a guide rail fixedly connected with the bearing plate through upright rods;
the two sides of the guide rail are provided with embedded guide grooves, and the inner side of the sliding groove is provided with a convex block which is in sliding fit with the embedded guide grooves.
As a still further scheme of the invention: the balance assembly comprises a movable plate, the movable plate is in sliding fit with the bearing plate through a guide assembly, and balancing weights are detachably mounted at two ends of one side, far away from the bearing plate, of the movable plate respectively.
As a still further scheme of the invention: actuating mechanism include through support the support body with pole setting fixed connection's second motor, be fixed with the drive shaft on the output shaft of second motor, be fixed with two at least second gears in the drive shaft, the second gear with fix respectively accept the board and stand rack plate on the platform meshing.
As a still further scheme of the invention: the support body is including being used for accepting the second motor just is the mounting bracket of L type structure setting, the mounting bracket pass through the connecting rod with pole setting fixed connection.
Compared with the prior art, the invention has the beneficial effects that: the construction platform is novel in design, the standing platform is driven to move in the horizontal direction through the arranged driving mechanism, so that the construction range of the construction platform is enlarged, the balance assembly is reversely moved under the action of the driving mechanism to ensure the balance of the whole construction platform, the height of the construction platform can be adjusted through the arranged lifting driving mechanism to meet different construction requirements, the whole construction platform can be rotated through the arranged rotating adjusting mechanism to achieve the extension range of the multi-directional standing platform to meet the comprehensive adjustment of different construction positions, and the construction platform is high in functionality.
Drawings
Fig. 1 is a schematic structural view of a multifunctional construction platform.
Fig. 2 is a schematic structural view of the multifunctional construction platform at another angle.
Fig. 3 is a side view of the multi-purpose construction platform.
Fig. 4 is a schematic view of the connection state of the bearing plate and the standing platform in the multifunctional construction platform.
Fig. 5 is a schematic view of another angle connection state between the bearing plate and the standing platform in the multifunctional construction platform.
In the figure: 1-base, 2-rotating disc, 3-supporting frame, 4-first gear, 5-first motor, 6-arc rack, 7-guide rod, 8-sliding sleeve, 9-electric telescopic rod, 10-standing platform, 11-bearing plate, 12-sliding groove, 13-guide component, 14-counterweight, 15-vertical rod, 16-connecting rod, 17-mounting frame, 18-second motor, 19-second gear, 20-rack plate, 21-driving shaft and 22-guide rail.
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.
In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Referring to fig. 1 to 5, in an embodiment of the present invention, a multifunctional construction platform includes:
the device comprises a base 1, wherein a rotating disc 2 is rotatably mounted on the base 1, and the rotating disc 2 is driven to rotate by a rotation adjusting mechanism mounted on the base 1;
the bearing plate 11 is connected with the rotating disc 2 in a sliding mode through a sliding assembly;
the lifting driving mechanism is connected with the bearing plate 11 and the base 1 and is used for driving the bearing plate 11 to vertically move so as to change the vertical height of the bearing plate 11;
the standing table 10 is slidably mounted on the bearing plate 11, and the standing table 10 is connected with a driving mechanism mounted on the bearing plate 11;
the balance assembly slides on the bearing plate 11 through the guide assembly 13, is further connected with the driving mechanism, and drives the standing platform 10 and the balance assembly to move reversely when the driving mechanism works.
In the embodiment of the invention, the driving mechanism drives the standing platform 10 to move in the horizontal direction, so that the construction range of the construction platform is enlarged, the balance assembly moves in the reverse direction under the action of the driving mechanism to ensure the balance of the whole construction platform, the lifting driving mechanism can adjust the height of the construction platform to meet different construction requirements, the rotation adjusting mechanism can rotate the whole construction platform to achieve the extension range of the multi-directional standing platform 10 to meet the comprehensive adjustment of different construction positions, and the multifunctional vertical type construction platform is strong in functionality.
Preferably, a guard rail or a plurality of handrails is disposed on the standing platform 10 to ensure safety of the constructors after standing.
Further, the lifting driving mechanism comprises an electric telescopic rod 9 installed on the rotating disc 2, the movable end of the electric telescopic rod 9 is fixedly connected with the bearing plate 11, and the bearing plate 11 is driven to vertically move through telescopic motion of the electric telescopic rod 9, so that the height of the construction platform is adjusted.
As an alternative embodiment of the present invention, the lifting driving mechanism includes two connecting rods hinged to each other, one end of each of the two connecting rods located on the same vertical plane is hinged to the receiving plate 11 and the rotating disc 2, the other end of each of the two connecting rods slides on the rotating disc 2 and the receiving plate 11, and one end of each of the two connecting rods sliding on the rotating disc 2 is connected to a movable end of a telescopic rod mounted on the rotating disc 2.
The telescopic link that sets up realizes accepting the altitude mixture control of board 11 through the effect of two connecting rods during the telescopic adjustment, and it can be understood that, this structure is similar with scissors fork elevating system, therefore this application is no longer repeated this.
Preferably, the sliding assembly comprises at least four guide rods 7 fixed on the rotating disc 2 and a sliding sleeve 8 sleeved on each guide rod 7, and the sliding sleeve 8 is fixedly connected with the bearing plate 11.
The guide rod 7 and the sliding sleeve 8 are in sliding fit to guide the movement of the bearing plate 11, meanwhile, the bearing plate 11 can be prevented from inclining when in use, and the stability of the construction platform is ensured.
The rotation adjusting mechanism comprises a support frame 3 fixed at the side end of the base 1 and a first motor 5 installed on the support frame 3, a first gear 4 is fixed on an output shaft of the first motor 5, and the first gear 4 is meshed with an arc-shaped rack fixed at the side edge of the rotating disc 2.
The first gear 4 of 5 during operations drive of first motor that set up rotates, drives rolling disc 2 through the effect of arc rack 6 when first gear 4 rotates and rotates to drive the whole rotation on the rolling disc 2, adjust with the horizontal rotation that makes things convenient for constructor standing position, in order to realize the construction operation of different positions.
Two sliding chutes 12 are fixed on one side of the standing platform 10 facing the bearing plate 11, and the sliding chutes 12 are slidably mounted on a guide rail 22 fixedly connected with the bearing plate 11 through upright posts 15;
the two sides of the guide rail 22 are provided with embedded guide grooves, and the inner side of the sliding groove 12 is provided with a convex block which is in sliding fit with the embedded guide grooves.
Through the sliding fit of the arranged sliding groove 12 and the guide rail 22, the directional movement of the standing platform 10 relative to the bearing plate 11 is ensured, and meanwhile, as the embedded guide groove is formed in the guide rail 22, the inner side of the sliding groove 22 is provided with the protruding block, so that the standing platform 10 is ensured not to deviate from the guide rail 22 in the vertical direction, and the stability of the construction platform is further improved.
As another embodiment of the present invention, the balancing assembly includes a movable plate 23, the movable plate 23 is slidably fitted with the receiving plate 11 through a guiding assembly, and two ends of one side of the movable plate 23 away from the receiving plate 11 are respectively detachably mounted with a counterweight 14.
When the movable plate 23 moves reversely with the standing platform 10 under the action of the driving mechanism, the balancing weight 14 moves along with the movable plate, so that the center of gravity of the construction platform is still in the middle position, the stability of the construction platform in the construction process is ensured, and the practicability is high.
Above-mentioned balancing weight 14 can dismantle the connection on accepting board 11, mainly be conveniently follow the balancing weight 14 of trading different masses according to the demand to satisfy different user demands, application scope is wide, and the practicality is strong.
The actuating mechanism include through support the support frame body with pole setting 15 fixed connection's second motor 18, be fixed with drive shaft 21 on the output shaft of second motor 18, be fixed with two at least second gears 19 on the drive shaft 21, second gear 19 with fix respectively accept the board 11 and the rack plate 20 meshing on the platform 10 of standing.
The second motor 18 drives the second gear 19 to rotate through the driving shaft 21 when working, and drives the standing platform 10 and the bearing plate 11 to move reversely through the action of the second gear 19 and the rack plate 20 when the second gear 19 rotates, so as to meet the requirement.
Of course, as an alternative embodiment of the present invention, the driving mechanism includes a support frame and a bidirectional electric telescopic rod mounted on the support frame, and both movable ends of the bidirectional electric telescopic rod are fixedly connected to the bearing plate 11 and the standing platform 10 respectively
The support body is including being used for accepting the second motor 18 just is the mounting bracket 17 of L type structure setting, mounting bracket 17 through connecting rod 16 with pole setting 15 fixed connection.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. A multifunctional construction platform, its characterized in that, multifunctional construction platform includes:
the device comprises a base (1), wherein a rotating disc (2) is rotatably mounted on the base (1), and the rotating disc (2) is driven to rotate by a rotation adjusting mechanism mounted on the base (1);
the bearing plate (11), the bearing plate (11) is connected with the rotating disc (2) in a sliding mode through a sliding assembly;
the lifting driving mechanism is connected with the bearing plate (11) and the base (1) and is used for driving the bearing plate (11) to vertically move so as to change the vertical height of the bearing plate (11);
the standing table (10), the standing table (10) is slidably mounted on the bearing plate (11), and the standing table (10) is connected with a driving mechanism mounted on the bearing plate (11);
the balance assembly slides on the bearing plate (11) through a guide assembly (13), is also connected with the driving mechanism, and drives the standing platform (10) and the balance assembly to move reversely when the driving mechanism works.
2. The multifunctional construction platform as claimed in claim 1, wherein the lifting driving mechanism comprises an electric telescopic rod (9) mounted on the rotating disc (2), and the movable end of the electric telescopic rod (9) is fixedly connected with the bearing plate (11).
3. A multifunctional construction platform as claimed in claim 1, wherein the lifting driving mechanism comprises two connecting rods hinged to each other, one end of each connecting rod located on the same vertical plane is hinged to the bearing plate (11) and the rotating disc (2), the other end of each connecting rod slides on the rotating disc (2) and the bearing plate (11), and one end of each connecting rod sliding on the rotating disc (2) is connected to the movable end of a telescopic rod mounted on the rotating disc (2).
4. A multifunctional construction platform according to claim 2 or 3, wherein the sliding assembly comprises at least four guide rods (7) fixed on the rotating disc (2) and a sliding sleeve (8) sleeved on each guide rod (7), and the sliding sleeve (8) is fixedly connected with the bearing plate (11).
5. The multifunctional construction platform as claimed in claim 1, wherein the rotation adjusting mechanism comprises a support frame (3) fixed at the side end of the base (1) and a first motor (5) installed on the support frame (3), a first gear (4) is fixed on an output shaft of the first motor (5), and the first gear (4) is engaged with an arc-shaped rack (6) fixed at the side of the rotating disc (2).
6. A multifunctional construction platform as claimed in claim 1, wherein two sliding chutes (12) are fixed on one side of the standing platform (10) facing the bearing plate (11), and the sliding chutes (12) are slidably mounted on a guide rail (22) fixedly connected with the bearing plate (11) through upright posts (15);
the two sides of the guide rail (22) are provided with embedded guide grooves, and the inner side of the sliding groove (12) is provided with a convex block which is in sliding fit with the embedded guide grooves.
7. The multifunctional construction platform as claimed in claim 1, wherein the balancing assembly comprises a movable plate (23), the movable plate (23) is slidably fitted with the receiving plate (11) through a guiding assembly, and two ends of one side of the movable plate (23) far away from the receiving plate (11) are respectively and detachably provided with a balancing weight (14).
8. A multi-functional construction platform according to claim 7, characterized in that the driving mechanism comprises a second motor (18) fixedly connected with the vertical rod (15) through a support frame, a driving shaft (21) is fixed on an output shaft of the second motor (18), at least two second gears (19) are fixed on the driving shaft (21), and the second gears (19) are engaged with rack plates (20) respectively fixed on the bearing plate (11) and the standing platform (10).
9. The multifunctional construction platform of claim 8, wherein the support frame body comprises a mounting frame (17) which is used for receiving the second motor (18) and is arranged in an L-shaped structure, and the mounting frame (17) is fixedly connected with the vertical rod (15) through a connecting rod (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111195184.8A CN113882639A (en) | 2021-10-13 | 2021-10-13 | Multifunctional construction platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111195184.8A CN113882639A (en) | 2021-10-13 | 2021-10-13 | Multifunctional construction platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113882639A true CN113882639A (en) | 2022-01-04 |
Family
ID=79002640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111195184.8A Pending CN113882639A (en) | 2021-10-13 | 2021-10-13 | Multifunctional construction platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113882639A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114704062A (en) * | 2022-05-07 | 2022-07-05 | 郑州大学 | High-rise assembled building integral operation platform and construction method thereof |
| CN115897971A (en) * | 2023-03-10 | 2023-04-04 | 江苏亘久科技发展有限公司 | Scaffold convenient to adjust |
| CN118361122A (en) * | 2024-06-19 | 2024-07-19 | 中铁城建集团第一工程有限公司 | Auxiliary butt joint device for prefabricated air conditioner plates of assembled building and installation method of auxiliary butt joint device |
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|---|---|---|---|---|
| CN206016214U (en) * | 2016-08-19 | 2017-03-15 | 国家电网公司 | A kind of multifunction power construction auxiliary device |
| CN107740567A (en) * | 2017-10-27 | 2018-02-27 | 国网河南省电力公司检修公司 | Power equipment maintaining operating platform |
| CN208486530U (en) * | 2018-04-19 | 2019-02-12 | 滨州学院 | A kind of electrical scaffolding |
| CN212201198U (en) * | 2020-05-11 | 2020-12-22 | 张辉 | Construction platform convenient to adjust |
| CN213572915U (en) * | 2020-10-16 | 2021-06-29 | 广东瑞信网络通信有限公司 | Lifting device for lighting engineering construction |
| CN213836335U (en) * | 2020-11-27 | 2021-07-30 | 万颖秋 | Novel supporting platform with adjustable public road bridge roof beam is used |
-
2021
- 2021-10-13 CN CN202111195184.8A patent/CN113882639A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206016214U (en) * | 2016-08-19 | 2017-03-15 | 国家电网公司 | A kind of multifunction power construction auxiliary device |
| CN107740567A (en) * | 2017-10-27 | 2018-02-27 | 国网河南省电力公司检修公司 | Power equipment maintaining operating platform |
| CN208486530U (en) * | 2018-04-19 | 2019-02-12 | 滨州学院 | A kind of electrical scaffolding |
| CN212201198U (en) * | 2020-05-11 | 2020-12-22 | 张辉 | Construction platform convenient to adjust |
| CN213572915U (en) * | 2020-10-16 | 2021-06-29 | 广东瑞信网络通信有限公司 | Lifting device for lighting engineering construction |
| CN213836335U (en) * | 2020-11-27 | 2021-07-30 | 万颖秋 | Novel supporting platform with adjustable public road bridge roof beam is used |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114704062A (en) * | 2022-05-07 | 2022-07-05 | 郑州大学 | High-rise assembled building integral operation platform and construction method thereof |
| CN115897971A (en) * | 2023-03-10 | 2023-04-04 | 江苏亘久科技发展有限公司 | Scaffold convenient to adjust |
| CN118361122A (en) * | 2024-06-19 | 2024-07-19 | 中铁城建集团第一工程有限公司 | Auxiliary butt joint device for prefabricated air conditioner plates of assembled building and installation method of auxiliary butt joint device |
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Application publication date: 20220104 |
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| RJ01 | Rejection of invention patent application after publication |