CN217924842U - Adjustable support-free truss for steel structure cast-in-place floor - Google Patents
Adjustable support-free truss for steel structure cast-in-place floor Download PDFInfo
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- CN217924842U CN217924842U CN202221936003.2U CN202221936003U CN217924842U CN 217924842 U CN217924842 U CN 217924842U CN 202221936003 U CN202221936003 U CN 202221936003U CN 217924842 U CN217924842 U CN 217924842U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 49
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- 238000010276 construction Methods 0.000 claims abstract description 43
- 238000000034 method Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 2
- 238000009415 formwork Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- XBWAZCLHZCFCGK-UHFFFAOYSA-N 7-chloro-1-methyl-5-phenyl-3,4-dihydro-2h-1,4-benzodiazepin-1-ium;chloride Chemical compound [Cl-].C12=CC(Cl)=CC=C2[NH+](C)CCN=C1C1=CC=CC=C1 XBWAZCLHZCFCGK-UHFFFAOYSA-N 0.000 description 2
- 241001669679 Eleotris Species 0.000 description 1
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Abstract
The utility model belongs to the technical field of the technique that the floor supported and specifically relates to a be used for adjustable no bracing truss of cast-in-place floor of steel construction is related to, it includes the adjustable brace truss that is located the floor bottom of at least a set of, adjustable brace truss includes the bracing truss that two symmetries set up and connects regulation pole and the connecting rod between two bracing trusses, the both ends of adjusting pole and connecting rod are pegged graft respectively and are fastened between two bracing trusses, two the one end that the bracing truss kept away from each other is all installed on the girder steel through supporting adjusting part, supporting adjusting part is used for adjusting adjustable brace truss's mounting height, be provided with a plurality of backup pads that act on the die block board on the adjustable brace truss. The application provides an adjustable no support truss of steel construction does not need following one deck floor as the basis, need not to set up interim support, has solved the problem that the construction consumptive material is many, with high costs, simultaneously, has improved the efficiency of construction.
Description
Technical Field
The application relates to the technical field of floor slab supporting, in particular to an adjustable support-free truss for a steel structure cast-in-place floor slab.
Background
Among the correlation technique, at the bottom of the cast-in-place concrete floor, no matter be at the bottom of the plank sheathing still can dismantle or can not dismantle the building carrier plate, during cast-in-place concrete, the die block supports and all adopts the die-pin to support (interim support), and must strengthen the transverse connection support from top to bottom the bracing piece, still need consider its die-pin design strength simultaneously in order to satisfy the atress requirement, still consider the shock resistance, the installation standard, span length, the template and the support in post-cast strip should independently set up, thereby cause numerous lock of construction and cost increase in a large number, the management and control is difficult.
Therefore, a floor slab supporting structure with high construction efficiency and low construction cost is needed to solve the problems of complicated construction and large cost increase in the related art.
SUMMERY OF THE UTILITY MODEL
The application provides an adjustable no support truss for cast-in-place floor of steel construction, the purpose is in order to solve among the correlation technique, when adopting interim support at the bottom of the cast-in-place concrete floor, the numerous and diverse and cost increase of construction that exists, the difficult problem of management and control.
The application provides an adjustable no support truss for cast-in-place floor of steel construction adopts following technical scheme:
the utility model provides an adjustable no bracing truss for cast-in-place floor of steel construction, includes at least a set of adjustable support truss that is located the floor bottom, adjustable support truss includes the bracing truss that two symmetries set up and connects regulation pole and the connecting rod between two bracing trusss, the both ends of adjusting pole and connecting rod are pegged graft respectively and are fastened between two bracing trusss, two the one end that the bracing truss kept away from each other all is installed on the girder steel through supporting adjusting part, it is used for adjusting adjustable support truss's mounting height to support adjusting part, be provided with a plurality of backup pads that act on the die block board on the adjustable support truss.
By adopting the technical scheme, during construction, the steel beam is integrally arranged on the building upright post and is connected with the adjustable support truss by utilizing the support adjusting component, so that the mounting height of the adjustable support truss can be adjusted, the adjustable support truss bottom formwork can be suitable for bottom formworks with different thicknesses, meanwhile, the adjustable support truss bottom formwork can also be suitable for wood formworks, detachable truss floor bearing plates and the like, and the application range is wide; in addition, the arrangement mode does not need to set up temporary supports, the construction steps are simple and convenient, the construction efficiency is improved, and the problems of more construction consumables and high cost are solved; simultaneously, adjust the both ends of pole and connecting rod and peg graft respectively and cooperate in two support trusses, can adjust the distance between two support trusses to be suitable for the floor construction of different spans.
Preferably, the supporting truss comprises a truss upper chord, a truss lower chord and a connecting pipe, two ends of the connecting pipe are fixedly connected between the truss upper chord and the truss lower chord, the truss upper chord, the truss lower chord and the connecting pipe form a truss structure, the truss upper chord and the steel beam are connected through a supporting and adjusting assembly, and an inclined support is further arranged between the truss upper chord and the truss lower chord in the same supporting truss.
Through adopting above-mentioned technical scheme, the whole truss structure that is of support truss can improve the holistic stability of support truss. And meanwhile, an oblique inclined support is added between the upper truss chord and the lower truss chord, so that the stability and the support strength of the support truss are further enhanced, and the construction quality of the floor slab is ensured.
Preferably, two ends of the connecting rod respectively extend out of the end parts of the truss lower chords, far away from the two supporting trusses of the same adjustable supporting truss, and are in threaded fit with first fastening nuts which abut against the end parts of the truss lower chords.
By adopting the technical scheme, the lower chords of the two trusses are connected into a whole by the connecting rods, so that the overall connection strength of the two supporting trusses is enhanced.
Preferably, two ends of the connecting rod respectively extend out of the side walls of two connecting pipes adjacent to two supporting trusses of the same adjustable supporting truss, and are in threaded fit with second fastening nuts which abut against the side walls of the connecting pipes.
Through adopting above-mentioned technical scheme, utilize the connecting rod to connect two trusses last quarter for a whole, strengthened the holistic joint strength of two supporting trusses, simultaneously, can effectively shorten the length of connecting rod, promote the convenience of installation.
Preferably, the side wall of the connecting pipe is welded with a U-shaped channel steel.
Through adopting above-mentioned technical scheme, increase the structural strength that U type channel-section steel can effectively increase two adjacent support truss splice department connecting pipes, promote the connection reliability, guarantee the structural stability of whole adjustable support truss.
Preferably, the adjusting rod is provided with a plurality of connecting holes along the length direction, a fastening piece is connected between the adjusting rod and the truss upper chord, and the fastening piece penetrates through the connecting holes.
By adopting the technical scheme, the fasteners are utilized to penetrate through the connecting holes formed in the adjusting rods, so that the two supporting trusses can be conveniently connected and detached, and the construction efficiency is high.
Preferably, the support adjusting component comprises an adjusting screw, a connecting piece and an adjusting thread sleeve, the adjusting screw is fixed on the steel beam, the connecting piece is fixed on the support truss, the adjusting thread sleeve is rotationally connected with the connecting piece, and the adjusting thread sleeve is in thread fit with the adjusting screw.
Through adopting above-mentioned technical scheme, be fixed in the girder steel with adjusting screw's one end, other end screw thread fit in adjusting threaded sleeve, through rotating the adjustable distance between adjustable support truss and the die block board of adjusting threaded sleeve to realize the adjustment of adjustable support truss support height, can adapt to the die block board of different thickness.
Preferably, the support truss is connected to the steel beam lower flange plate through a support adjusting assembly.
Through adopting above-mentioned technical scheme, be a whole with girder steel and support truss connection through supporting adjusting part, improve the holistic stability of support truss, simultaneously, support the support truss by the girder steel, consequently need not to set up interim support in the support truss bottom.
Preferably, a tie bar is arranged between adjacent adjustable supporting trusses, and the tie bar is vertically arranged with the adjustable supporting trusses.
Through adopting above-mentioned technical scheme, set up the tie rod with adjustable support truss length vertical direction, can guarantee adjustable support truss's lateral stability, improved the floor when the construction, floor support truss's stability.
Preferably, the two ends of the tie bar are fixedly provided with plug connectors, the adjustable support truss is connected with a connecting plate, and the plug connectors of the tie bar are inserted into through holes in the connecting plate.
Through adopting above-mentioned technical scheme, utilize bayonet joint and through-hole to realize being connected with dismantling of tie rod and connecting plate, the installation is dismantled conveniently, simultaneously, can realize once making, recycles many times, has good economic value.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the adjustable support truss is connected with the steel beam by the support adjusting assembly, the mounting height of the adjustable support truss can be adjusted, the adjustable support truss can be suitable for bottom templates with different thicknesses, and meanwhile, the adjustable support truss is also suitable for wood templates, detachable truss floor bearing plates and the like, and the application range is wide; in addition, in the arrangement mode, the adjustable support truss is supported by the steel beam, temporary supports do not need to be erected, the construction steps are simple and convenient, the construction efficiency is improved, and the problems of more construction consumables and high cost are solved; meanwhile, the two ends of the adjusting rod and the connecting rod are respectively in plug-in fit with the two supporting trusses, and the distance between the two supporting trusses can be adjusted so as to be suitable for floor slab construction with different spans;
2. one end of the adjusting screw rod is fixed to the steel beam, the other end of the adjusting screw rod is in threaded fit with the adjusting threaded sleeve, the connecting piece is fixed to the supporting truss, the adjusting threaded sleeve is rotatably connected to the connecting piece, the distance between the supporting truss and the bottom formwork can be adjusted by rotating the adjusting threaded sleeve, and therefore the supporting height of the supporting truss is adjusted, and adaptability is high;
3. the lower chords of the two trusses are connected into a whole by the connecting rods, so that the connecting strength of the two supporting trusses can be enhanced.
Drawings
FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present application;
fig. 2 is a schematic structural view specifically showing a single support truss in embodiment 1 of the present application;
FIG. 3 is a schematic structural diagram showing a connection relationship between an upper chord and an adjusting rod of a truss in embodiment 1 of the present application;
FIG. 4 is an enlarged partial schematic view of portion A of FIG. 1;
FIG. 5 is an enlarged partial schematic view of portion B of FIG. 1;
FIG. 6 is a schematic view of the overall structure of embodiment 2 of the present application;
FIG. 7 is an enlarged partial schematic view of portion C of FIG. 6;
FIG. 8 is a schematic structural diagram showing the connection relationship between the upper chord of the truss and the connecting plate, the connecting pipe and the U-shaped channel steel in embodiment 2 of the present application;
FIG. 9 is an enlarged partial schematic view of portion D of FIG. 8;
FIG. 10 is a schematic structural diagram of embodiment 2 of the present application, showing the connection relationship between the truss upper chord and the adjusting rod;
FIG. 11 is a schematic structural view of the present application showing the connection between the upper chord of the truss and the tie bar;
FIG. 12 is an enlarged partial schematic view of section E of FIG. 11;
fig. 13 is a schematic structural view of the tie bar of the present application.
In the figure, 1, an adjustable supporting truss; 2. supporting the truss; 21. the truss is strung; 22. truss lower chord; 23. a connecting pipe; 3. adjusting a rod; 4. a connecting rod; 5. a support adjustment assembly; 51. adjusting the screw rod; 52. a connecting member; 53. adjusting the threaded sleeve; 6. a support plate; 7. obliquely supporting; 8. a first fastening nut; 9. a second fastening nut; 10. u-shaped channel steel; 11. connecting holes; 12. a fastener; 13. a tie bar; 14. a connecting plate.
Detailed Description
The present application is described in further detail below with reference to fig. 1-13.
Example 1:
the utility model provides an adjustable no bracing truss for cast-in-place floor of steel construction, refers to figure 1, including at least a set of adjustable bracing truss 1 that is located the floor bottom, adjustable bracing truss 1 is connected through supporting adjusting part 5 between the girder steel with both sides respectively, and simultaneously, a plurality of backup pads 6 are evenly installed at adjustable bracing truss 1's top, and backup pad 6 uses the bottom of die block board, and is preferred, and backup pad 6 adopts the sleeper. When floor concrete placement, adjustable support truss 1 plays the supporting role, avoids setting up interim support, and construction steps is simple and convenient, has improved the efficiency of construction, and has solved the problem that the construction consumptive material is many, with high costs.
Referring to fig. 1, adjustable support truss 1 includes the support truss 2 that two symmetries set up and connects regulation pole 3 and connecting rod 4 between two support trusses 2, in this embodiment, adjust pole 3 and adopt square steel pipe, the one end slip grafting of adjusting pole 3 is fixed in one of them support truss 2, the other end slip grafting is fastened in another support truss 2, connecting rod 4 wears to establish and fastens between two support trusses 2, the adjustment of distance between two support trusses 2 can be realized to the utilization regulation pole 3 and connecting rod 4, can be applicable to the floor construction of different spans.
Specifically, referring to fig. 2, the support truss 2 includes a truss upper chord 21, a truss lower chord 22 and a connecting pipe 23, in this embodiment, the truss upper chord 21 and the connecting pipe 23 are square steel pipes, the truss lower chord 22 is a circular steel pipe, one end of the connecting pipe 23 is welded to the truss upper chord 21, the truss lower chord 22 is welded to the other end of the connecting pipe 23 in a penetrating manner, and the truss upper chord 21, the truss lower chord 22 and the connecting pipe 23 form a truss structure, so that the support truss 2 is in a truss structure as a whole.
Referring to fig. 1 and 2, in order to further enhance the structural strength of a single support truss 2, the diagonal braces 7 are welded between the truss upper chord 21 and the truss lower chord 22 in the same support truss 2, so that the support strength of the support truss 2 is further enhanced, and the construction quality is ensured. Preferably, on the same support truss 2, the inclined struts 7, the truss upper chord 21, the connecting pipes 23 and the truss lower chord 22 form a triangular structure, and meanwhile, the inclined struts 7 on the outermost side are matched with the truss upper chord 21 and the truss lower chord 22, so that the whole adjustable support truss 1 is of a trapezoidal structure, and the overall connection strength of the adjustable support truss 1 is further improved.
The specific mode that adjusts the distance between two support trusses 2 of pole 3 is: one end of the adjusting rod 3 is inserted into the truss upper chord 21 of one of the supporting trusses 2 and is detachably connected with the truss upper chord 21, the other end of the adjusting rod 3 is inserted into the truss upper chord 21 of the other supporting truss 2 in a sliding mode, and the adjusting rod 3 and the two supporting trusses 2 can be fixedly installed after the adjusting rod slides to a set position and are fastened.
Referring to fig. 1 and 3, further, the adjusting rod 3 is provided with a plurality of connecting holes 11 along the length direction thereof, the truss upper chord 21 which is in inserted connection and matching with the adjusting rod 3 is also provided with a plurality of through holes which are matched with the connecting holes 11, the connecting holes 11 and the through holes are internally provided with fasteners 12, and the truss upper chord 21 and the adjusting rod 3 are locked and fixed by the fasteners 12. Preferably, the fastener 12 is a bolt.
During specific construction, the adjusting rod 3 inserted into the supporting trusses 2 is moved to adjust the distance between the two supporting trusses 2 according to the specific size of a floor on site, after the adjustment is completed, the adjusting rod 3 penetrates through the connecting hole 11 through a bolt, the adjusting rod 3 is fixedly connected with the two supporting trusses 2, and the overall connection strength of the adjustable supporting trusses 1 is improved.
Referring to fig. 1 and 4, in order to realize the connection between the truss lower chords 22 of the two support trusses 2, the connecting rods 4 penetrate through the interior of the truss lower chords 22, the connecting rods 4 are coaxially installed with the truss lower chords 22, meanwhile, two ends of the connecting rods 4 extend out of the end portions of the truss lower chords 22, external threads are preprocessed on the end portions of the extending connecting rods 4, first fastening nuts 8 are installed on the end portions of the extending connecting rods 4 on two sides, and the first fastening nuts 8 are in threaded fit with the connecting rods 4. During construction, the first fastening nut 8 is tightened to abut against the end of the truss lower chord 22, so that the two truss lower chords 22 are integrally connected, and the overall connection strength of the adjustable support truss 1 is improved.
Referring to fig. 1 and 5, the upper truss chord 21 of the support truss 2 is connected to the steel girder by the support adjusting assembly 5.
Referring to fig. 2 and 5, the support adjusting assembly 5 includes an adjusting screw 51, a connecting member 52 and an adjusting threaded sleeve 53, one end of the adjusting screw 51 is welded to the top of the steel beam lower flange plate, the other end of the adjusting screw is in threaded fit with the adjusting threaded sleeve 53, the top of the connecting member 52 is welded to the truss upper chord 21 of the support truss 2, and the adjusting threaded sleeve 53 is rotatably connected to the bottom of the connecting member 52, during construction, the distance between the support truss 2 and the bottom formwork is adjusted by rotating the adjusting threaded sleeve 53, so that the support height of the support truss 2 is adjusted to adapt to different floor supports, and adaptability is strong. Preferably, the connecting member 52 includes a U-shaped plate body welded to the truss upper chord 21 and a cylinder body fixed to the U-shaped plate body, and the adjusting screw 53 is rotatably engaged with the cylinder body, and the cylinder body is moved up or down on the adjusting screw 51 when the adjusting screw 53 is rotated.
The implementation principle of the embodiment of the application is as follows:
during construction, the adjusting screw 51 sleeved with the adjusting threaded sleeve 53 is connected with a steel beam, the assembled adjustable support truss 1 connected with the connecting piece 52 is hoisted to a construction floor through a tower crane, the connecting piece 52 is connected with the adjusting threaded sleeve 53, when the adjustable support truss 1 is installed, the supporting plate 6 is laid on the truss upper chord 21 synchronously, the bottom formwork is installed on the top of the assembled support truss, and the upper floor slab is poured.
In the whole construction process, the adjustable supporting truss 1 is connected with the steel beam by using the supporting and adjusting assembly 5, the mounting height of the adjustable supporting truss 1 can be adjusted, and the adjustable supporting truss can be suitable for bottom templates with different thicknesses, can also be suitable for wood templates, detachable truss floor bearing plates and the like, and has a wide application range; in addition, the arrangement mode does not need to set up temporary supports, the construction steps are simple and convenient, the construction efficiency is improved, and the problems of more construction consumables and high cost are solved; simultaneously, adjust pole 3 and can adjust the distance between two support truss 2 of same adjustable support truss 1 to be suitable for the floor construction of different spans.
Example 2 differs from example 1 in that: referring to fig. 6 and 7, in order to realize the connection between the truss lower chords 22 of the two support trusses 2, the two adjacent connecting pipes 23 of the two support trusses 2 are provided with the connecting rods 4. Preferably, the connecting rod 4 is a long bolt, a screw end of the long bolt extends into a side wall of one of the connecting pipes 23 and extends out from a side wall of the other connecting pipe 23, a second fastening nut 9 is mounted at an end of the extended screw end, and the second fastening nut 9 is in threaded fit with the long bolt. During construction, the second fastening nut 9 is tightened to abut against the side wall of the connecting pipe 23, so that the two truss lower chords 22 are connected into a whole, and the connection strength of the whole adjustable support truss 1 is improved.
Specifically, referring to fig. 8 and 9, the U-shaped channel steel 10 is welded to the side wall of the connecting pipe 23, and referring to fig. 7 and 9, through holes for the connecting rods 4 to pass through are formed in the side walls of the connecting pipe 23 and the U-shaped channel steel 10, so as to facilitate connection between the truss lower chords 22 of the two support trusses 2.
Further, referring to fig. 10 and 11, a tie bar 13 is connected between the adjustable support trusses 1, the tie bar 13 is vertically arranged with the adjustable support trusses 1, and the tie bar 13 is connected with the adjustable support trusses 1 in a direction perpendicular to the length direction thereof, so that the lateral stability of the adjustable support trusses 1 can be ensured, and further, the stability of the floor support trusses during construction of a floor is improved. Referring to fig. 12 and 13, the two ends of the tie bar 13 are fixedly provided with the connectors, the adjustable support truss 1 is connected with the connecting plate 14, and the connectors of the tie bar 13 can be inserted into the through holes of the connecting plate 14.
The embodiments of the present disclosure are all preferred embodiments of the present disclosure, and the protection scope of the present disclosure is not limited thereby, wherein like parts are designated by like reference numerals. Therefore, the method comprises the following steps: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides an adjustable no support truss for cast-in-place floor of steel construction, its characterized in that includes that at least a set of adjustable support truss (1) that is located the floor bottom, adjustable support truss (1) includes support truss (2) that two symmetries set up and connects regulation pole (3) and connecting rod (4) between two support truss (2), the both ends of adjusting pole (3) and connecting rod (4) are pegged graft respectively and are fastened between two support truss (2), two the one end that support truss (2) kept away from each other all is installed on the girder steel through supporting adjustment assembly (5), supporting adjustment assembly (5) are used for adjusting the mounting height of adjustable support truss (1), be provided with a plurality of backup pads (6) that act on the die block board on adjustable support truss (1).
2. The adjustable unsupported truss for the steel structure cast-in-place floor slab as claimed in claim 1, wherein the support truss (2) comprises a truss upper chord (21), a truss lower chord (22) and a connecting pipe (23), two ends of the connecting pipe (23) are fixedly connected between the truss upper chord (21) and the truss lower chord (22), the truss upper chord (21), the truss lower chord (22) and the connecting pipe (23) form a truss structure, the truss upper chord (21) and the steel beam are connected through a support adjusting component (5), and an inclined support (7) is further arranged between the truss upper chord (21) and the truss lower chord (22) in the same support truss (2).
3. The adjustable braceless truss for the cast-in-place floor of the steel structure of claim 2, characterized in that both ends of the connecting rod (4) respectively extend from the ends of the truss lower chord (22) far away from the two supporting trusses (2) of the same adjustable supporting truss (1) and are screwed with a first fastening nut (8), and the first fastening nut (8) abuts against the ends of the truss lower chord (22).
4. The adjustable braceless truss for the cast-in-place floor of the steel structure of claim 2, characterized in that the two ends of the connecting rod (4) respectively extend from the side walls of two connecting pipes (23) adjacent to two supporting trusses (2) of the same adjustable supporting truss (1), and are in threaded fit with second fastening nuts (9), and the second fastening nuts (9) are abutted against the side walls of the connecting pipes (23).
5. An adjustable braceless truss for steel structure cast-in-place floor as claimed in any one of claims 2 to 4 wherein the side walls of the connecting tubes (23) are welded with U-shaped channel beams (10).
6. The adjustable unsupported truss for cast-in-place floor of steel structure according to claim 2, characterized in that the adjusting rod (3) has a plurality of connecting holes (11) along its length direction, a fastener (12) is connected between the adjusting rod (3) and the truss upper chord (21), and the fastener (12) passes through the connecting holes (11).
7. The adjustable unsupported truss for cast-in-place floor slab of steel structure according to claim 1, characterized in that the support adjustment assembly (5) includes an adjustment screw (51), a connecting member (52) and an adjustment threaded sleeve (53), the adjustment screw (51) is fixed to the steel beam, the connecting member (52) is fixed to the support truss (2), the adjustment threaded sleeve (53) is rotatably connected with the connecting member (52), and the adjustment threaded sleeve (53) is in threaded fit with the adjustment screw (51).
8. The adjustable unsupported truss for cast-in-place floor slab of steel structure according to claim 1, characterized in that the support truss (2) is connected to the steel beam lower flange plate by means of a support adjustment assembly (5).
9. An adjustable unsupported truss for cast-in-place floor slab with steel structure according to claim 1, characterized in that a tie bar (13) is arranged between adjacent adjustable supported trusses (1), and the tie bar (13) is vertically arranged with the adjustable supported trusses (1).
10. The adjustable braceless truss for the steel structure cast-in-place floor slab as claimed in claim 9, wherein the two ends of the tie bar (13) are fixedly provided with plug connectors, the adjustable support truss (1) is connected with a connecting plate (14), and the plug connectors of the tie bar (13) are inserted into through holes on the connecting plate (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221936003.2U CN217924842U (en) | 2022-07-23 | 2022-07-23 | Adjustable support-free truss for steel structure cast-in-place floor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221936003.2U CN217924842U (en) | 2022-07-23 | 2022-07-23 | Adjustable support-free truss for steel structure cast-in-place floor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217924842U true CN217924842U (en) | 2022-11-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221936003.2U Active CN217924842U (en) | 2022-07-23 | 2022-07-23 | Adjustable support-free truss for steel structure cast-in-place floor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217924842U (en) |
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2022
- 2022-07-23 CN CN202221936003.2U patent/CN217924842U/en active Active
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Effective date of registration: 20240105 Address after: 315812 room 1514, building 1, No. 275 Xintuo Road, Daxie Development Zone, Ningbo City, Zhejiang Province (pilot area for residence declaration and commitment) Patentee after: Longyuan Mingzhu Science and Technology Co.,Ltd. Patentee after: Shanghai Xin'an Curtain Wall Manufacturing Co.,Ltd. Address before: 315812 room 1514, building 1, No. 275 Xintuo Road, Daxie Development Zone, Ningbo City, Zhejiang Province (pilot area for residence declaration and commitment) Patentee before: Longyuan Mingzhu Science and Technology Co.,Ltd. Patentee before: SHANGHAI XINAN CURTAIN WALL BU |
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