CN112982686B - Embedded assembly and method for beam column steel bar joint - Google Patents
Embedded assembly and method for beam column steel bar joint Download PDFInfo
- Publication number
- CN112982686B CN112982686B CN202110103159.6A CN202110103159A CN112982686B CN 112982686 B CN112982686 B CN 112982686B CN 202110103159 A CN202110103159 A CN 202110103159A CN 112982686 B CN112982686 B CN 112982686B
- Authority
- CN
- China
- Prior art keywords
- embedded
- buried
- welding
- plate
- wall
- 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
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 65
- 239000010959 steel Substances 0.000 title claims abstract description 65
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000003466 welding Methods 0.000 claims abstract description 81
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 230000000670 limiting effect Effects 0.000 claims description 74
- 230000003044 adaptive effect Effects 0.000 claims description 8
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 238000005457 optimization Methods 0.000 description 4
- 239000011150 reinforced concrete Substances 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B1/4157—Longitudinally-externally threaded elements extending from the concrete or masonry, e.g. anchoring bolt with embedded head
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention relates to a pre-buried assembly and a pre-buried method for a beam column steel bar joint, wherein the pre-buried assembly comprises a first pre-buried welding plate, a plurality of pre-buried steel bars and a second pre-buried welding plate, one ends of the pre-buried steel bars are welded on the first pre-buried welding plate, the second pre-buried welding plate is provided with a plurality of through holes and a plurality of conical full-welding holes communicated with the through holes, the other ends of the pre-buried steel bars penetrate through the through holes, and a plurality of pre-locking mechanisms are arranged in the second pre-buried welding plate. This beam column steel bar joint department uses embedded component, adopt insert the mode of the pre-buried welded plate of back welding second in the beam column after the welding of embedded bar and first pre-buried welded plate earlier, can be so that whole embedded component's installation is more convenient, and can make the pre-buried welded plate of second and be connected more stable between the embedded bar through the pre-locking mechanism in the pre-buried welded plate of second when welding the pre-buried welded plate of second, the condition of mutual displacement can not appear when the welding.
Description
Technical Field
The invention belongs to the field of building equipment, and particularly relates to a pre-buried assembly and a pre-buried method for a beam-column steel bar joint.
Background
The pipe rack is formed by taking antiseptic wood, bamboo, stone, metal and reinforced concrete as main raw materials and adding other materials for coagulation.
The pipe gallery frame built by reinforced concrete at present is a gallery frame which is of a reinforced concrete structure in a short span and consists of independent transverse beams and columns. The longitudinal galleries are connected by steel beams, so that embedded parts are required to be longitudinally arranged on the joint parts of the beam column in a plug welding mode through two opposite plate through holes.
However, in general construction, the embedded part is subjected to two-side-to-side perforation plug welding, the embedded part is welded, then the embedded part is placed in a preset position, and finally the reinforcing steel bars of the beam are installed.
Disclosure of Invention
The invention aims to solve the problems and provides a pre-embedded assembly and a method for a beam-column steel bar joint, which are simple in structure and reasonable in design.
The invention realizes the purpose through the following technical scheme:
a pre-buried assembly for a beam column steel bar joint comprises a first pre-buried welding plate, a plurality of pre-buried steel bars and a second pre-buried welding plate, wherein one ends of the pre-buried steel bars are welded on the first pre-buried welding plate, the second pre-buried welding plate is provided with a plurality of through holes and a plurality of conical full-welding holes communicated with the through holes, the other ends of the pre-buried steel bars penetrate through the through holes, and a plurality of pre-locking mechanisms are arranged in the second pre-buried welding plate;
the pre-locking mechanism comprises an adjusting groove formed in the inner wall of the through hole, a limiting groove formed in the inner wall of one side of the adjusting groove, an adaptive inclined plane formed in the inner wall of one side of the adjusting groove, a fixed support connected to the adaptive inclined plane, a limiting plate movably connected to the fixed support, and a spring rope connected to the inner wall of the limiting groove, wherein one end of the spring rope is connected with the limiting plate.
As a further optimization scheme of the invention, a reverse movement limiting surface is arranged on the inner wall of one side of the adjusting groove and is positioned between the limiting groove and the adaptive inclined surface.
As a further optimization scheme of the invention, an included angle between the reverse movement limiting surface and the inner wall of the through hole is 90 degrees, and one side wall of the limiting plate is contacted with the reverse movement limiting surface.
As a further optimization scheme of the invention, a forward movement matching inclined plane is arranged on the inner wall of the other side of the adjusting groove, and the other side wall of the limiting plate is in contact with the forward movement matching inclined plane.
As a further optimization scheme of the invention, a plurality of transverse ribs are equidistantly arranged on the embedded steel bar, the top ends of the transverse ribs are in contact with the inner wall of the through hole, the lower end of the limiting plate is positioned in the through hole, and the distance between the lower end surface of the limiting plate and the inner wall of the through hole is not greater than the height of the transverse ribs on the embedded steel bar.
As a further optimized scheme of the invention, a connecting rod is connected to one side wall of the limiting plate, and the connecting rod is movably connected with the fixed support through a rotating shaft.
A mounting method of the embedded assembly comprises the following steps:
s1, respectively welding one ends of a plurality of embedded steel bars to corresponding welding points on a first embedded welding plate;
s2, enabling the other end of the embedded steel bar to penetrate through a gap between the steel bars such as the column top longitudinal bar and the like, aligning a through hole in the second embedded welding plate to the corresponding embedded steel bar, and installing the second embedded welding plate on the embedded steel bar;
s3, pushing the second embedded welding plate to stop moving to the designated position on the embedded steel bar, and locking the second embedded welding plate at the designated position through a pre-locking mechanism in the second embedded welding plate;
and S4, welding between the embedded steel bars and the conical full-welding holes in the second embedded welding plate.
The invention has the beneficial effects that:
1) According to the invention, the mode that the embedded steel bars and the first embedded welding plate are welded firstly and then inserted into the beam column to be welded with the second embedded welding plate is adopted, so that the whole embedded assembly can be more conveniently installed, the connection between the second embedded welding plate and the embedded steel bars can be more stable through the pre-locking mechanism in the second embedded welding plate when the second embedded welding plate is welded, and the mutual displacement can not occur during welding;
2) When the second embedded welding plate is arranged on the embedded steel bars, the through holes on the second embedded welding plate are aligned with the embedded steel bars and push the second embedded welding plate to move on the embedded steel bars, meanwhile, the embedded steel bars move in opposite directions in the through holes, when the embedded steel bars move, the transverse ribs on the embedded steel bars can contact the limiting plate in the pre-locking mechanism, the lower end of the limiting plate moves along with the movement of the transverse ribs under the moving action of the transverse ribs, the limiting plate starts to rotate around the hinged part with the fixed support until the limiting plate contacts with the forward movement matching inclined plane, one transverse rib on the embedded steel bars is separated from the limiting plate, and the limiting plate returns to the state of contacting with the reverse movement limiting plane under the action of the spring rope, the lower end of the limiting plate is located between the two transverse ribs, and similarly, the limiting plate repeats the motion process along with the continuous movement of the embedded steel bars, when the second embedded welding plate is reversely pushed, the transverse ribs reversely apply acting force on the limiting plate, and the limiting plate is limited to rotate by the reverse movement limiting surface, so that the second embedded welding plate cannot reversely move on the embedded steel bars, the limiting effect on the second embedded welding plate is realized, when the second embedded welding plate and the embedded steel bars are welded, the second embedded welding plate cannot move on the embedded steel bars, the welding of workers is more stable and convenient, and the working efficiency of the workers is increased;
3) The invention has simple structure, high stability, reasonable design and convenient realization.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view at A of the present invention;
fig. 3 is a view showing the pre-embedded steel bars and the pre-locking mechanism of the present invention.
In the figure: 1. a first pre-buried welding plate; 2. embedding reinforcing steel bars in advance; 3. a second pre-buried welding plate; 301. perforating; 302. conical full welding holes; 4. a pre-locking mechanism; 401. an adjustment groove; 402. a limiting groove; 403. a fixed bracket; 404. a limiting plate; 405. a spring cord; 406. moving the limiting surface in the reverse direction; 407. positively moving the mating ramp; 5. and (5) longitudinal ribs at the top of the column.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
Example 1
As shown in fig. 1-3, an embedded assembly for a beam-column steel bar joint comprises a first embedded welding plate 1, a plurality of embedded steel bars 2 and a second embedded welding plate 3, wherein one ends of the embedded steel bars 2 are all welded on the first embedded welding plate 1, the second embedded welding plate 3 is provided with a plurality of through holes 301 and a plurality of conical full-welding holes 302 communicated with the through holes 301, the other ends of the embedded steel bars 2 penetrate through the through holes 301, and a plurality of pre-locking mechanisms 4 are arranged in the second embedded welding plate 3;
as shown in fig. 2, the pre-locking mechanism 4 includes an adjusting groove 401 formed on an inner wall of the through hole 301, a limiting groove 402 formed on an inner wall of one side of the adjusting groove 401, an adaptive inclined plane formed on an inner wall of one side of the adjusting groove 401, a fixing bracket 403 connected to the adaptive inclined plane, a limiting plate 404 movably connected to the fixing bracket 403, and a spring rope 405 connected to an inner wall of the limiting groove 402, wherein one end of the spring rope 405 is connected to the limiting plate 404. The spring rope 405 plays the effect that resets, and when the limiting plate 404 atress pivoting spring rope 405 was in tensile state, after the limiting plate 404 no longer atress, the initial state was resumeed to the spring rope 405 to drive limiting plate 404 and resume to initial state again.
The inner wall of one side of the adjusting groove 401 is provided with a reverse movement limiting surface 406, and the reverse movement limiting surface 406 is positioned between the limiting groove 402 and the adapting inclined surface. The angle between the reverse movement-restricting surface 406 and the inner wall of the through-hole 301 is 90 °, and one side wall of the restriction plate 404 is in contact with the reverse movement-restricting surface 406. The reverse movement restricting surface 406 is used to restrict the rotation of the restriction plate 404 toward the restriction groove 402.
The inner wall of the other side of the adjusting groove 401 is provided with a forward movement matching inclined plane 407, and the other side wall of the limiting plate 404 is in contact with the forward movement matching inclined plane 407. When the retainer plate 404 is in contact with the forward movement mating ramp 407, the entire plate of the retainer plate 404 is positioned in the adjustment slot 401 and its lower end is no longer positioned in the through hole 301.
As shown in fig. 3, a plurality of transverse ribs are equidistantly arranged on the embedded steel bar 2, the top ends of the transverse ribs are in contact with the inner wall of the through hole 301, the lower end of the limiting plate 404 is located in the through hole 301, and the distance between the lower end surface of the limiting plate 404 and the inner wall of the through hole 301 is not greater than the height of the transverse ribs on the embedded steel bar 2. When embedded steel bar 2 removed in perforation 301, the horizontal rib was along with embedded steel bar 2's removal and syntropy removed, the horizontal rib can contact with limiting plate 404 at the in-process that removes, and exert certain effort to the lower extreme of limiting plate 404, can make limiting plate 404 pivoting movement's angle, when the top point of horizontal rib and limiting plate 404 contact, the whole plate body of limiting plate 404 is in adjustment tank 401, but the horizontal rib is reverse when removing in perforation 301, limiting plate 404 receives the spacing effect of the spacing face 406 of reverse movement, can not rotate, consequently, the horizontal rib can't carry out the reverse movement in perforation 301.
One side wall of the limiting plate 404 is connected with a connecting rod, and the connecting rod is movably connected with the fixed support 403 through a rotating shaft.
As shown in fig. 1 and 3, when installing second embedded board 3 on embedded bar 2, align embedded bar 2 with perforation 301 on second embedded board 3 and promote second embedded board 3 to make it move on embedded bar 2, embedded bar 2 moves in perforation 301 in opposite directions simultaneously, during the removal, horizontal rib on embedded bar 2 can contact limiting plate 404 in prelock mechanism 4, the lower extreme of limiting plate 404 moves along with the removal of horizontal rib under the removal effect of horizontal rib, limiting plate 404 begins to rotate round the department of articulating with fixed bolster 403, until it contacts with forward movement cooperation inclined plane 407, horizontal rib and limiting plate 404 on embedded bar 2 break away from the contact, the state that limiting plate 404 gets back to the contact with the spacing face 406 of reverse movement again under the effect of spring rope 405, the lower extreme of limiting plate 404 is located between two horizontal ribs this moment, the same reason, the continuous movement of embedded bar 2, limiting plate 404 repeats foretell motion process, but when reversely promoting second embedded board 3, horizontal rib exerts the effort to limiting plate 404, and the limiting plate 404 is located between two horizontal ribs, therefore the work of second embedded bar 3 can not increase when the embedded bar 3 moves, the embedded bar can more conveniently and the embedded bar 3 moves, the embedded bar can not increase on the embedded bar 2, the embedded bar 3, the embedded bar can not increase when the embedded bar 3
As shown in fig. 1, when the embedded components are installed, one ends of a plurality of embedded steel bars 2 are respectively welded to corresponding welding points on a first embedded welding plate 1; then, the other end of the embedded steel bar 2 penetrates through a gap between steel bars such as the column top longitudinal bar 5 and the like, then the through hole 301 in the second embedded welding plate 3 is aligned to the corresponding embedded steel bar 2, and the second embedded welding plate 3 is installed on the embedded steel bar 2;
stopping when the second embedded welding plate 3 is pushed to move to the designated position on the embedded steel bar 2, and locking the second embedded welding plate 3 at the designated position through a pre-locking mechanism 4 in the second embedded welding plate 3; the toper on embedded bar 2 and the pre-buried welded plate of second 3 afterwards weld between the full welding hole 302 can, can be so that whole pre-buried subassembly's installation more convenient, and can make the pre-buried welded plate of second 3 and the pre-buried steel bar 2 between be connected more stable through pre-locking mechanism 4 in the pre-buried welded plate of second 3 when welding the pre-buried welded plate of second 3, the condition of mutual displacement can not appear when the welding.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is specific and detailed, but not to be understood as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (2)
1. The utility model provides a beam column steel bar joint department is with pre-buried subassembly which characterized in that: the pre-buried steel bar welding device comprises a first pre-buried welding plate (1), a plurality of pre-buried steel bars (2) and a second pre-buried welding plate (3), wherein one ends of the pre-buried steel bars (2) are welded on the first pre-buried welding plate (1), the second pre-buried welding plate (3) is provided with a plurality of through holes (301) and a plurality of conical full-welding holes (302) communicated with the through holes (301), the other ends of the pre-buried steel bars (2) penetrate through the through holes (301), and a plurality of pre-locking mechanisms (4) are arranged in the second pre-buried welding plate (3);
the pre-locking mechanism (4) comprises an adjusting groove (401) formed in the inner wall of the through hole (301), a limiting groove (402) formed in the inner wall of one side of the adjusting groove (401), an adaptive inclined plane formed in the inner wall of one side of the adjusting groove (401), a fixing support (403) connected to the adaptive inclined plane, a limiting plate (404) movably connected to the fixing support (403), and a spring rope (405) connected to the inner wall of the limiting groove (402), wherein one end of the spring rope (405) is connected with the limiting plate (404);
a plurality of transverse ribs are equidistantly arranged on the embedded steel bars (2), the top ends of the transverse ribs are in contact with the inner wall of the through hole (301), the lower end of the limiting plate (404) is positioned in the through hole (301), and the distance between the lower end face of the limiting plate (404) and the inner wall of the through hole (301) is not greater than the height of the transverse ribs on the embedded steel bars (2);
a reverse movement limiting surface (406) is arranged on the inner wall of one side of the adjusting groove (401), and the reverse movement limiting surface (406) is positioned between the limiting groove (402) and the adaptive inclined surface;
the included angle between the reverse movement limiting surface (406) and the inner wall of the through hole (301) is 90 degrees, and one side wall of the limiting plate (404) is in contact with the reverse movement limiting surface (406);
a forward movement matching inclined plane (407) is arranged on the inner wall of the other side of the adjusting groove (401), and the other side wall of the limiting plate (404) is in contact with the forward movement matching inclined plane (407);
and one side wall of the limiting plate (404) is connected with a connecting rod, and the connecting rod is movably connected with the fixed support (403) through a rotating shaft.
2. A method for installing the embedded assembly according to claim 1, comprising the following steps:
s1, respectively welding one ends of a plurality of embedded steel bars (2) to corresponding welding points on a first embedded welding plate (1);
s2, enabling the other end of the embedded steel bar (2) to penetrate through a gap between the column top longitudinal bars (5), aligning a through hole (301) in the second embedded welding plate (3) with the corresponding embedded steel bar (2) and installing the second embedded welding plate (3) on the embedded steel bar (2);
s3, pushing the second embedded welding plate (3) to stop moving to the appointed position on the embedded steel bar (2), and locking the second embedded welding plate (3) at the appointed position through a pre-locking mechanism (4) in the second embedded welding plate (3);
and S4, welding the embedded steel bars (2) and the conical full-welding holes (302) in the second embedded welding plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110103159.6A CN112982686B (en) | 2021-01-26 | 2021-01-26 | Embedded assembly and method for beam column steel bar joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110103159.6A CN112982686B (en) | 2021-01-26 | 2021-01-26 | Embedded assembly and method for beam column steel bar joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112982686A CN112982686A (en) | 2021-06-18 |
| CN112982686B true CN112982686B (en) | 2022-11-22 |
Family
ID=76345484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110103159.6A Active CN112982686B (en) | 2021-01-26 | 2021-01-26 | Embedded assembly and method for beam column steel bar joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112982686B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116851999B (en) * | 2023-06-07 | 2024-02-06 | 河北畅盛科技工程有限公司 | Auxiliary fixing device for welding embedded part |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101787741B (en) * | 2010-03-18 | 2011-09-07 | 中国十九冶集团有限公司 | Method for installing heavy embedded part of wall steel structure of square billet bale turntable |
| DE102016125201A1 (en) * | 2016-12-21 | 2018-06-21 | Ludwig Hettich Holding Gmbh & Co. Kg | System for joining or reinforcing components |
| CN206957008U (en) * | 2017-07-11 | 2018-02-02 | 河北卓秋实业有限公司 | A kind of curtain wall of buckle-type stealth sheet material |
| CN108678145A (en) * | 2018-07-21 | 2018-10-19 | 李藏柱 | Sleeve, prefabricated components connector, prefabricated components and prefabricated components assembly |
| CN209556141U (en) * | 2018-10-22 | 2019-10-29 | 正知（上海）智能技术有限公司 | A kind of embedded wall enclosure attachment device of HMI |
| CN109235819A (en) * | 2018-11-29 | 2019-01-18 | 浙江鼎明光电有限公司 | A kind of integrated wall facilitating splicing |
| CN209260923U (en) * | 2018-12-05 | 2019-08-16 | 北京鑫峰建设投资有限公司 | A kind of assembly concrete component inner lining body fixing piece |
| CN210658786U (en) * | 2019-06-26 | 2020-06-02 | 深圳市炎唐装饰有限公司 | Fitment sound-proof wall device |
| CN210767379U (en) * | 2019-09-17 | 2020-06-16 | 承德国佑鸿路绿色建筑科技有限公司 | Light partition slat |
-
2021
- 2021-01-26 CN CN202110103159.6A patent/CN112982686B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN112982686A (en) | 2021-06-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112982686B (en) | Embedded assembly and method for beam column steel bar joint | |
| CN111533064B (en) | Single-wedge locking self-propelled pushing device and method | |
| CN112012500B (en) | Wedge-shaped locking self-propelled pushing device and method | |
| CN101858146B (en) | Self-climbing lifting mechanism and using method thereof | |
| CN114541569B (en) | Interactive structure of high-rise building | |
| CN104802947A (en) | Self-elevating platform and horizontal locking device thereof | |
| CN110805275A (en) | Reinforcing system and construction method of steel square column template | |
| CN210134563U (en) | Code hanging system | |
| CN212715556U (en) | Building curtain wall mounting and fixing device | |
| CN210857708U (en) | Furred ceiling conversion layer connection structure | |
| CN219061106U (en) | Displacement-controllable sliding support for building engineering structure | |
| CN219826029U (en) | Scaffold frame | |
| CN215172836U (en) | Quick-mounting type comprehensive pipe rack support | |
| CN216066454U (en) | Fixing device of puncher | |
| CN219316004U (en) | Constructional engineering steel construction | |
| CN219298481U (en) | Prefabricated member butt joint structure | |
| CN118187294B (en) | Special-shaped column node connection structure for assembled building | |
| CN210888147U (en) | Temporary construction steel structure support frame | |
| CN216810486U (en) | Connecting structure of building curtain wall | |
| CN218092141U (en) | Concrete prefabricated component board seam adjustment structure for architectural design | |
| CN213563612U (en) | Double-hole drilling machine for anchoring embedded steel bars of ballastless track of high-speed railway | |
| CN216616465U (en) | High strength assembled superstructure system | |
| CN218149815U (en) | Cantilever type unilateral formwork fixing device | |
| CN219543221U (en) | Full-automatic intelligent manipulator of cement board | |
| CN217765048U (en) | Detection device for tunnel lining |
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 |