CN114525807B - Large steel structure embedded part - Google Patents
Large steel structure embedded part Download PDFInfo
- Publication number
- CN114525807B CN114525807B CN202210146276.5A CN202210146276A CN114525807B CN 114525807 B CN114525807 B CN 114525807B CN 202210146276 A CN202210146276 A CN 202210146276A CN 114525807 B CN114525807 B CN 114525807B
- Authority
- CN
- China
- Prior art keywords
- rod
- sliding
- seat
- guide rail
- steel structure
- 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.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/44—Foundations for machines, engines or ordnance
-
- 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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/18—Adjusting tools; Templates
- E04G21/1841—Means for positioning building parts or elements
- E04G21/185—Means for positioning building parts or elements for anchoring elements or elements to be incorporated in the structure
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Connection Of Plates (AREA)
- Seats For Vehicles (AREA)
Abstract
The invention is suitable for the field of construction, and provides a large steel structure embedded part, which comprises a support frame and further comprises: the support frame is rotationally connected with the adjusting sleeve, the adjusting sleeve is in threaded connection with the supporting shaft, the supporting shaft is rotationally connected with the guide rail, the supporting shaft is fixedly connected with the positioning member, and the guide rail is in sliding connection with the fixing seat; the fixing seat is connected with a bolt in a sliding way, a groove cavity is formed in the fixing seat, a sliding piece is connected in the groove cavity in a sliding way, and a guide groove is formed in the sliding piece; the sliding piece is connected with a thrust mechanism in a sliding way, the sliding piece is connected with a positioning pin, and the positioning pin is connected with the side wall of the fixed seat in a sliding way. The clamping mechanism can elastically clamp the plate ribs, so that the embedded part is fixed, the guide rail is rotated to adjust the connection direction of the fixing seat, and then the guide rail is abutted with the guide rail through the positioning member; the rectangular connecting seat of the steel structure penetrates through the guide groove of the fixing seat, so that the fixing seat is in sliding connection with the rectangular connecting seat of the steel structure.
Description
Technical Field
The invention belongs to the field of buildings, and particularly relates to a large steel structure embedded part.
Background
Along with the rapid development of the building industry, the design function of modern building structures not only meets basic requirements, but also increases requirements of landscaping, artistic and the like, so that a large number of reinforced concrete structures with complex structures and various forms are generated in construction, and embedded parts are needed to be used.
The embedded part is a component which is embedded in the concealing engineering in advance. The structural parts arranged during the pouring of the structure are used for lapping when the upper structure is built, so that the installation and fixation of the foundation of the external engineering equipment are facilitated. After the existing large-scale steel structure embedded part is embedded, fixed position adjustment is not easy to perform, and stability is poor. In order to avoid the above technical problems, it is necessary to provide a large steel structure embedded part to overcome the defects in the prior art.
Disclosure of Invention
The invention aims to provide a large steel structure embedded part, and aims to solve the problems that after the existing large steel structure embedded part is embedded, fixed position adjustment is difficult to perform and stability is poor.
The invention is realized in such a way that the large steel structure embedded part comprises a supporting frame and further comprises:
the clamping mechanism is connected with the support frame and can elastically clamp the plate ribs;
the support frame is rotationally connected with the adjusting sleeve, the adjusting sleeve is in threaded connection with the supporting shaft, the supporting shaft is rotationally connected with the guide rail, the supporting shaft is fixedly connected with the positioning member, the positioning member can be abutted and fixed with the guide rail, and the guide rail is slidably connected with the fixing seat;
the fixing seat is connected with a bolt in a sliding manner, a groove cavity is formed in the fixing seat, a sliding piece is connected in the groove cavity in a sliding manner, a guide groove is formed in the sliding piece, the guide groove is obliquely arranged relative to the horizontal plane, and the bolt is connected with the guide groove in a sliding manner;
the sliding part is connected with a thrust mechanism in a sliding manner, the thrust mechanism can push the sliding part to slide in the groove cavity, the sliding part is connected with a positioning pin, the positioning pin is connected with the side wall of the fixing seat in a sliding manner, and the positioning pin can be fixedly abutted to the guide rail under the driving of the sliding part.
According to a further technical scheme, racks are arranged on the inner sides of the guide rails, and the positioning pins can be clamped and fixed with the racks.
Further technical scheme, thrust mechanism includes the push rod, the tip fixedly connected with inserted bar of push rod, the slider is provided with the guiding hole, the guiding hole is equivalent to push rod slope setting, inserted bar and guiding hole sliding connection, be connected with power component between push rod and the fixing base, power component is used for driving inserted bar and guiding hole and carries out the relative slip.
Further technical scheme, power component includes the actuating lever, actuating lever and fixing base threaded connection, actuating lever and push rod slip through connection, be connected with the spring between actuating lever and the push rod.
According to a further technical scheme, the positioning member comprises a supporting seat, the supporting seat is fixedly connected with the supporting shaft, a positioning rod is connected with the supporting seat in a threaded mode, and the positioning rod can be fixedly connected with the guide rail in an abutting mode.
According to a further technical scheme, a spiral spring is connected between the bolt and the fixed seat.
Further technical scheme, fixture includes the elastic expansion link, elastic expansion link and support frame fixed connection, the equal fixedly connected with U-shaped seat in both ends of elastic expansion link, all be provided with coupling assembling in the U-shaped seat, coupling assembling can be fixed to the panel muscle elasticity centre gripping.
Further technical scheme, coupling assembling includes two clamp splice, and two clamp splice sets up relatively, the clamp splice all is connected with the interior terminal surface sliding connection of U-shaped seat, is connected with the elastic component No. one between the interior terminal surface of one of them clamp splice and U-shaped seat, and another anchor clamps fixedly connected with dead lever, the U-shaped seat rotates and is connected with the screw sleeve, screw sleeve and dead lever threaded connection, the dead lever outside cover is equipped with the elastic component No. two.
According to a further technical scheme, two clamping blocks in each U-shaped seat are provided with arc grooves.
Compared with the prior art, the invention has the following beneficial effects:
according to the large steel structure embedded part, the clamping mechanism can elastically clamp the plate ribs, so that the embedded part is fixed, and then concrete is poured; the guide rail is rotated to adjust the connection direction of the fixed seat, and then the guide rail is abutted with the guide rail through the positioning component, so that the guide rail is fixed; penetrating the rectangular connecting seat of the steel structure through the guide groove of the fixing seat, enabling the fixing seat to be in sliding connection with the rectangular connecting seat of the steel structure, pushing the fixing seat to slide in the guide rail, and therefore adjusting the supporting position of the fixing seat; after the adjustment is completed, the thrust mechanism pushes the sliding part to slide in the groove cavity, the positioning pin can be fixedly connected with the guide rail in an abutting mode under the driving of the sliding part, so that the fixing base is fixedly connected with the guide rail, meanwhile, under the driving of the sliding part, the bolt slides in the guide groove, the bolt vertically moves to fixedly connect the rectangular connecting seat of the steel structure, so that the steel structure is fixedly connected with the fixing base, and the steel structure is limited and fixed.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic top cross-sectional view of FIG. 1;
FIG. 3 is an enlarged schematic view of the area A in FIG. 1;
FIG. 4 is an enlarged schematic view of the area B in FIG. 2;
fig. 5 is a schematic diagram of the connection of the guide rail and the fixing base.
In the accompanying drawings: the device comprises a supporting frame 1, a clamping mechanism 2, an adjusting sleeve 3, a supporting shaft 4, a guide rail 5, a fixed seat 6, a bolt 7, a groove cavity 8, a sliding piece 9, a guide groove 10, a thrust mechanism 11, a positioning pin 12, a rack 13, a push rod 14, a plug rod 15, a guide hole 16, a power component 17, a driving rod 18, a spring 19, a positioning component 20, a supporting seat 21, a positioning rod 22, a spiral spring 23, an elastic telescopic rod 24, a U-shaped seat 25, a connecting component 26, a clamping block 27, an arc-shaped groove 28, a fixed rod 29, a first elastic piece 30, a threaded sleeve 31 and a second elastic piece 32.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Specific implementations of the invention are described in detail below in connection with specific embodiments.
As shown in fig. 1 to 5, the embedded part of a large steel structure provided by the invention comprises a supporting frame 1 and further comprises:
the clamping mechanism 2 is connected with the support frame 1, and the clamping mechanism 2 can elastically clamp the plate ribs;
the support frame 1 is rotationally connected with the adjusting sleeve 3, the adjusting sleeve 3 is in threaded connection with the support shaft 4, the support shaft 4 is rotationally connected with the guide rail 5, the support shaft 4 is fixedly connected with the positioning member 20, the positioning member 20 can be abutted and fixed with the guide rail 5, and the guide rail 5 is in sliding connection with the fixing seat 6;
the fixing seat 6 is slidably connected with a plug pin 7, a groove cavity 8 is formed in the fixing seat 6, a sliding piece 9 is slidably connected in the groove cavity 8, a guide groove 10 is formed in the sliding piece 9, the guide groove 10 is obliquely arranged relative to the horizontal plane, and the plug pin 7 is slidably connected with the guide groove 10;
the sliding part 9 is slidably connected with a thrust mechanism 11, the thrust mechanism 11 can push the sliding part 9 to slide in the groove cavity 8, the sliding part 9 is connected with a positioning pin 12, the positioning pin 12 is slidably connected with the side wall of the fixed seat 6, and the positioning pin 12 can be fixedly abutted to the guide rail 5 under the driving of the sliding part 9.
According to the large steel structure embedded part, the clamping mechanism 2 can elastically clamp the plate ribs, so that the embedded part is fixed, and then concrete is poured;
the guide rail 5 is rotated to adjust the connection direction of the fixed seat 6, and then the guide rail 5 is fixed by abutting the guide rail 5 through the positioning member 20;
the rectangular connecting seat of the steel structure penetrates through the guide groove of the fixed seat 6, so that the fixed seat 6 is in sliding connection with the rectangular connecting seat of the steel structure, the fixed seat 6 is pushed to slide in the guide rail 5, and the supporting position of the fixed seat 6 is adjusted; after the adjustment is completed, the thrust mechanism 11 pushes the sliding part 9 to slide in the groove cavity 8, the positioning pin 12 can be fixedly abutted with the guide rail 5 under the driving of the sliding part 9, so that the fixed seat 6 is fixedly connected with the guide rail 5, meanwhile, under the driving of the sliding part 9, the bolt 7 slides in the guide groove 10, the vertical movement of the bolt 7 is fixedly abutted with the rectangular connecting seat of the steel structure, so that the steel structure is fixedly connected with the fixed seat 6, and the steel structure is limited and fixed.
In the embodiment of the present invention, as shown in fig. 2, as a preferred embodiment of the present invention, a rack 13 is disposed on the inner side of the guide rail 5, and the positioning pin 12 can be fastened and fixed with the rack 13; the friction force between the bolt 7 and the tooth surface can be increased through the rack, so that the stability between the fixed seat 6 and the guide rail 5 is improved.
In the embodiment of the present invention, as shown in fig. 2 and fig. 4, as a preferred embodiment of the present invention, the thrust mechanism 11 includes a push rod 14, an insert rod 15 is fixedly connected to an end portion of the push rod 14, the sliding member 9 is provided with a guide hole 16, the guide hole 16 is inclined with respect to the push rod 14, the insert rod 15 is slidably connected with the guide hole 16, a power assembly 17 is connected between the push rod 14 and the fixing base 6, and the power assembly 17 is used for driving the insert rod 15 and the guide hole 16 to slide relatively. The power assembly 17 drives the inserted rod 15 and the guide hole 16 to slide relatively, so that the sliding piece 9 is driven to slide in the groove cavity 8.
In the embodiment of the present invention, as shown in fig. 4, as a preferred embodiment of the present invention, the power assembly 17 includes a driving rod 18, the driving rod 18 is screwed with the fixing seat 6, the driving rod 18 is connected with the push rod 14 in a sliding and penetrating manner, and a spring 19 is connected between the driving rod 18 and the push rod 14; the driving rod 18 is rotated by hand, the driving rod 18 drives the push rod 14 to linearly move, and meanwhile, the positioning pin 12 and the bolt 7 can elastically stretch out and draw back through the spring 19 during vibration, so that the positioning pin 12 and the bolt 7 are prevented from being broken under stress, and the shock resistance of the whole embedded part is increased.
In the embodiment of the present invention, as shown in fig. 1, as a preferred embodiment of the present invention, the positioning member 20 includes a supporting seat 21, the supporting seat 21 is fixedly connected with the supporting shaft 4, the supporting seat 21 is screwed with a positioning rod 22, and the positioning rod 22 can be abutted and fixed with the guide rail 5; the positioning rod 22 is rotated by hand, and the positioning rod 22 is in threaded transmission with the supporting seat 21, so that the positioning rod 22 is abutted and fixed with the guide rail 5.
In the embodiment of the present invention, as shown in fig. 1, as a preferred embodiment of the present invention, a coil spring 23 is connected between the latch 7 and the fixing base 6.
In the embodiment of the present invention, as shown in fig. 1 and 3, as a preferred embodiment of the present invention, the clamping mechanism 2 includes an elastic telescopic rod 24, the elastic telescopic rod 24 is fixedly connected with the support frame 1, two ends of the elastic telescopic rod 24 are fixedly connected with U-shaped seats 25, and each of the U-shaped seats 25 is provided with a connection assembly 26, and the connection assembly 26 can elastically clamp and fix the plate ribs.
In the embodiment of the present invention, as shown in fig. 4, as a preferred embodiment of the present invention, the connecting assembly 26 includes two clamping blocks 27, the two clamping blocks 27 are disposed opposite to each other, the clamping blocks 27 are slidably connected with the inner end surface of the U-shaped seat 25, a first elastic member 30 is connected between one clamping block 27 and the inner end surface of the U-shaped seat 25, the other clamping tool 27 is fixedly connected with a fixing rod 29, the U-shaped seat 25 is rotatably connected with a threaded sleeve 31, the threaded sleeve 31 is in threaded connection with the fixing rod 29, and a second elastic member 32 is sleeved outside the fixing rod 29; the two clamping blocks 27 are clamped and fixed with the plate rib on one side under the elastic action of the first elastic piece 30, the threaded sleeve 31 is rotated by hand, the threaded sleeve 31 drives one clamping block 27 to vertically lift, and the clamping height of the clamping block 27 is adjusted, so that the inclination of the fixed seat 6 is adjusted.
In the embodiment of the present invention, as shown in fig. 1, as a preferred embodiment of the present invention, two clamping blocks 27 in each U-shaped seat 25 are provided with arc grooves 28.
According to the large steel structure embedded part, two clamping blocks 27 are clamped and fixed with a plate rib on one side under the action of the elastic force of the elastic piece I30, so that the embedded part is fixed, the threaded sleeve 31 is rotated by hand, the threaded sleeve 31 drives one clamping block 27 to vertically lift, the clamping height of the clamping block 27 is adjusted, the inclination of the fixed seat 6 is adjusted, and then concrete is poured;
the guide rail 5 is rotated to adjust the connection direction of the fixed seat 6, then the positioning rod 22 is rotated by hand, and the positioning rod 22 and the supporting seat 21 are in threaded transmission, so that the positioning rod 22 is abutted and fixed with the guide rail 5;
the rectangular connecting seat of the steel structure penetrates through the guide groove of the fixed seat 6, so that the fixed seat 6 is in sliding connection with the rectangular connecting seat of the steel structure, the fixed seat 6 is pushed to slide in the guide rail 5, and the supporting position of the fixed seat 6 is adjusted; after the adjustment is completed, the thrust mechanism 11 pushes the sliding part 9 to slide in the groove cavity 8, the positioning pin 12 can be fixedly abutted with the guide rail 5 under the driving of the sliding part 9, so that the fixed seat 6 is fixedly connected with the guide rail 5, meanwhile, under the driving of the sliding part 9, the bolt 7 slides in the guide groove 10, the vertical movement of the bolt 7 is fixedly abutted with the rectangular connecting seat of the steel structure, so that the steel structure is fixedly connected with the fixed seat 6, and the steel structure is limited and fixed.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. The utility model provides a large-scale steel construction built-in fitting, includes the support frame, its characterized in that still includes:
the clamping mechanism is connected with the support frame and can elastically clamp the plate ribs;
the support frame is rotationally connected with the adjusting sleeve, the adjusting sleeve is in threaded connection with the supporting shaft, the supporting shaft is rotationally connected with the guide rail, the supporting shaft is fixedly connected with the positioning member, the positioning member can be abutted and fixed with the guide rail, and the guide rail is slidably connected with the fixing seat;
the fixing seat is connected with a bolt in a sliding manner, a groove cavity is formed in the fixing seat, a sliding piece is connected in the groove cavity in a sliding manner, a guide groove is formed in the sliding piece, the guide groove is obliquely arranged relative to the horizontal plane, and the bolt is connected with the guide groove in a sliding manner;
the sliding piece is connected with a thrust mechanism in a sliding way, the thrust mechanism can push the sliding piece to slide in the groove cavity, the sliding piece is connected with a positioning pin, the positioning pin is connected with the side wall of the fixed seat in a sliding way, and the positioning pin can be abutted and fixed with the guide rail under the driving of the sliding piece;
the thrust mechanism comprises a push rod, the end part of the push rod is fixedly connected with an inserting rod, the sliding piece is provided with a guide hole, the guide hole is inclined corresponding to the push rod, the inserting rod is in sliding connection with the guide hole, a power assembly is connected between the push rod and the fixing seat, and the power assembly is used for driving the inserting rod and the guide hole to slide relatively; the power assembly comprises a driving rod, the driving rod is in threaded connection with the fixing seat, the driving rod is in sliding penetrating connection with the push rod, and a spring is connected between the driving rod and the push rod.
2. The large steel structure embedded part according to claim 1, wherein racks are arranged on the inner sides of the guide rails, and the positioning pins can be clamped and fixed with the racks.
3. The large-scale steel structure embedded part according to claim 2, wherein the positioning member comprises a supporting seat fixedly connected with a supporting shaft, the supporting seat is in threaded connection with a positioning rod, and the positioning rod can be in abutting connection and fixation with the guide rail.
4. The large steel structure embedded part according to claim 1, wherein a coil spring is connected between the bolt and the fixing base.
5. The large-scale steel structure embedded part according to claim 1, wherein the clamping mechanism comprises an elastic telescopic rod, the elastic telescopic rod is fixedly connected with the support frame, two ends of the elastic telescopic rod are fixedly connected with U-shaped seats, connecting components are arranged in the U-shaped seats, and the connecting components can elastically clamp and fix the plate bars.
6. The large-scale steel structure embedded part according to claim 5, wherein the connecting assembly comprises two clamping blocks, the two clamping blocks are oppositely arranged, the clamping blocks are all in sliding connection with the inner end face of the U-shaped seat, a first elastic piece is connected between one clamping block and the inner end face of the U-shaped seat, the other clamping device is fixedly connected with a fixing rod, the U-shaped seat is rotationally connected with a threaded sleeve, the threaded sleeve is in threaded connection with the fixing rod, and a second elastic piece is sleeved outside the fixing rod.
7. The large steel structure embedded part according to claim 6, wherein two clamping blocks in each U-shaped seat are provided with arc-shaped grooves.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210146276.5A CN114525807B (en) | 2022-02-17 | 2022-02-17 | Large steel structure embedded part |
| ZA2022/03087A ZA202203087B (en) | 2022-02-17 | 2022-03-15 | A large steel structure embedded part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210146276.5A CN114525807B (en) | 2022-02-17 | 2022-02-17 | Large steel structure embedded part |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114525807A CN114525807A (en) | 2022-05-24 |
| CN114525807B true CN114525807B (en) | 2023-08-18 |
Family
ID=81623524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210146276.5A Active CN114525807B (en) | 2022-02-17 | 2022-02-17 | Large steel structure embedded part |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN114525807B (en) |
| ZA (1) | ZA202203087B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002038494A (en) * | 2000-07-31 | 2002-02-06 | National House Industrial Co Ltd | Jig for stretching leveling string |
| CN111485782A (en) * | 2020-04-16 | 2020-08-04 | 张峻华 | Guide rail fixing structure of shock-proof safety bin door |
| CN112427866A (en) * | 2020-11-24 | 2021-03-02 | 南京俏美骏科技有限公司 | Method for processing embedded part of building steel structure |
| CN213204488U (en) * | 2020-08-24 | 2021-05-14 | 江苏力拓建设发展有限公司 | Assembled construction steel bar embedded part |
-
2022
- 2022-02-17 CN CN202210146276.5A patent/CN114525807B/en active Active
- 2022-03-15 ZA ZA2022/03087A patent/ZA202203087B/en unknown
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002038494A (en) * | 2000-07-31 | 2002-02-06 | National House Industrial Co Ltd | Jig for stretching leveling string |
| CN111485782A (en) * | 2020-04-16 | 2020-08-04 | 张峻华 | Guide rail fixing structure of shock-proof safety bin door |
| CN213204488U (en) * | 2020-08-24 | 2021-05-14 | 江苏力拓建设发展有限公司 | Assembled construction steel bar embedded part |
| CN112427866A (en) * | 2020-11-24 | 2021-03-02 | 南京俏美骏科技有限公司 | Method for processing embedded part of building steel structure |
Also Published As
| Publication number | Publication date |
|---|---|
| ZA202203087B (en) | 2022-05-25 |
| CN114525807A (en) | 2022-05-24 |
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