CN219451531U - Adjustable supporting structure of post-cast strip - Google Patents
Adjustable supporting structure of post-cast strip Download PDFInfo
- Publication number
- CN219451531U CN219451531U CN202320519951.4U CN202320519951U CN219451531U CN 219451531 U CN219451531 U CN 219451531U CN 202320519951 U CN202320519951 U CN 202320519951U CN 219451531 U CN219451531 U CN 219451531U
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- CN
- China
- Prior art keywords
- post
- cast strip
- screw rod
- angle steel
- supporting
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- 229910000831 Steel Inorganic materials 0.000 claims description 47
- 239000010959 steel Substances 0.000 claims description 47
- 239000004567 concrete Substances 0.000 abstract description 33
- 238000009415 formwork Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 description 7
- 238000005266 casting Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000011150 reinforced concrete Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 238000009435 building construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Classifications
-
- 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
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The utility model discloses a post-pouring belt adjustable supporting structure which comprises a supporting screw rod and a supporting frame, wherein the supporting screw rod is fixed on a base layer, the supporting frame is connected to the supporting screw rod in a sliding mode, an adjusting nut and a fixing nut are connected to the supporting screw rod in a threaded mode, the adjusting nut is connected to the lower side of the supporting frame, and the fixing nut is connected to the upper side of the supporting frame. The post-cast strip adjustable supporting structure can adjust the height of the supporting frame of the post-cast strip formwork, and ensures the flatness of a leveling reference plane for concrete pouring in a post-cast strip area, thereby ensuring the flatness of the post-cast strip area after concrete pouring.
Description
Technical Field
The utility model relates to the technical field of building construction, in particular to a post-pouring belt adjustable supporting structure.
Background
The post-cast strip is a temporary construction joint reserved at the corresponding positions of the foundation slab, the wall and the beam according to the design or construction specification requirements in order to prevent harmful cracks possibly generated due to uneven self shrinkage or uneven settlement of a cast-in-situ reinforced concrete structure in building construction. The post-pouring belt temporarily divides the reinforced concrete structure into a plurality of parts, the reinforced concrete structure is contracted in the member, and the construction joint concrete is poured and smashed after a plurality of times, so that the reinforced concrete structure is connected into a whole. And the concrete poured by the post-pouring belt is compacted and cured by adopting micro-expansion concrete with the strength grade higher than that of the design grade, so that cracks are prevented from occurring between new and old concrete, and weak parts are formed. The post-cast strip can solve the settlement difference and reduce shrinkage stress, and has wide application in engineering.
The traditional post-cast strip is prepared by binding steel wire meshes on two sides of a post-cast strip of a building structure, and is used for blocking concrete poured when the structures on two sides of the post-cast strip are formed, and pouring the post-cast strip after removing the steel wire meshes in the later period. Pre-buried angle steel before the cushion layer is poured adopts the angle steel to make the support frame, and the angle steel welds firmly with pre-buried iron member, and the wire net is with the support frame ligature of angle steel preparation. The top and the bed course surface parallel and level after pouring after the angle steel welding is accomplished, there is trample or place the heavy object in the workman work progress and cause the angle steel to warp, and concrete pouring process also leads to the angle steel to warp easily, because angle steel welding is on pre-buried ironwork, leads to unable adjustment post-cast strip both sides's angle steel height to can form the difference in height with the concrete surface of both sides after making post-cast strip concrete pouring, can't guarantee post-cast strip's quality.
Disclosure of Invention
In view of the above, the utility model aims to provide the post-cast strip adjustable supporting structure which can adjust the height of the supporting frame of the post-cast strip supporting mould, and ensure the flatness of a leveling reference plane of concrete pouring in a post-cast strip area, thereby ensuring the flatness of the post-cast strip area after the concrete pouring.
In order to achieve the above object, the present utility model provides the following technical solutions:
a post-cast strip adjustable support structure comprising:
the support screw rod is fixed on the base layer;
the support frame is connected to the support screw rod in a sliding manner;
the support screw rod is connected with an adjusting nut and a fixing nut in a threaded mode, the adjusting nut is connected to the lower side of the support frame, and the fixing nut is connected to the upper side of the support frame.
Optionally, the supporting frame is angle steel;
the angle steel is characterized in that a plurality of uniformly distributed connecting through holes are formed in one side edge of the angle steel, the connecting through holes are formed in the length direction of the angle steel, and the supporting screw rod penetrates through the connecting through holes.
Optionally, the diameter of the connecting through hole is larger than the outer diameter of the supporting screw rod and smaller than the external dimension of the adjusting nut or the fixing nut.
Optionally, the distance between adjacent connecting through holes is 50-80 mm.
Optionally, the base layer is a leveling layer, a reinforcing steel bar or a steel beam.
Optionally, the rod diameter of the support screw rod is 12mm.
Optionally, the aperture of the connecting through hole is arranged corresponding to the rod diameter of the supporting screw rod.
Optionally, the angle steel is an equilateral angle steel;
the equilateral angle steel is angle steel with the side width of 40mm or 50 mm.
Optionally, the supporting screw rod is vertically arranged on the base layer;
the bottom end of the supporting screw rod is pre-buried in the base layer.
According to the post-pouring belt adjustable supporting structure, the supporting frame is connected to the supporting screw rod in a sliding mode, the height of the supporting frame is adjusted through the adjusting nut, so that deformation of the supporting frame caused by external force in the construction process is compensated, flatness of the top of the supporting frame is guaranteed, the supporting frame with the adjusted position is connected to the supporting screw rod through the fixing nut in a threaded mode, and reliability of the position of the supporting frame is guaranteed. The height of the support frame of the post-cast strip formwork can be adjusted in sections at any time before casting concrete in the post-cast strip area, and the top surface of the support frame is a leveling reference surface for casting concrete in the post-cast strip area, so that the flatness of the leveling reference surface for casting concrete in the post-cast strip area is ensured, the flatness of the concrete casting in the post-cast strip area is further ensured, the heights of the post-cast strip area and the concrete surfaces on two sides are the same after casting the concrete, and the quality of the post-cast strip is ensured.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural view of a post-cast strip adjustable support structure provided by an embodiment of the present utility model;
fig. 2 is a schematic diagram of a connection structure between a support frame and a support wire rod according to an embodiment of the present utility model;
fig. 3 is a schematic structural diagram of a support frame according to an embodiment of the present utility model;
fig. 4 is a schematic view of a usage structure of a post-cast strip adjustable support structure according to an embodiment of the present utility model.
The meaning of the individual reference numerals in the figures is as follows:
1. base layer, 2, support frame, 201, connecting through hole, 3, support lead screw, 4, fixation nut, 5, adjusting nut, 6, wire net, 7, post-cast strip region.
Detailed Description
The utility model discloses an adjustable support structure for a post-cast strip, which can adjust the height of a support frame of a post-cast strip formwork and ensure the flatness of a leveling reference plane for concrete pouring in a post-cast strip area, thereby ensuring the flatness of the post-cast strip area after concrete pouring.
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 4, the present utility model provides a post-cast strip adjustable support structure, which comprises a support screw 3 and a support frame 2. The support screw rod 3 is fixed on the base layer 1, and the support frame 2 is connected on the support screw rod 3 in a sliding way. The support screw rod 3 is connected with an adjusting nut 5 and a fixing nut 4 in a threaded mode, the adjusting nut 5 is connected to the lower side of the support frame 2, and the fixing nut 4 is connected to the upper side of the support frame 2.
The adjusting nut 5 is used for adjusting the support frame 2 connected to the support screw rod 3, and after the adjusting nut is adjusted to a proper position, the fixing nut 4 is screwed, so that the fixing nut 4 is tightly pressed on the support frame 2, and the positioning of the support frame 2 is realized. The top surface of the support frame 2 is a leveling reference surface for concrete pouring in the post-pouring zone area 7. The lower end of the supporting frame 2 is bound with a steel wire net 6 through steel wires.
According to the post-pouring belt adjustable supporting structure, the supporting frame 2 is connected to the supporting screw rod 3 in a sliding mode, the height of the supporting frame 2 is adjusted through the adjusting nut 5, so that deformation of the supporting frame 2 caused by external force in the construction process is made up, flatness of the top of the supporting frame 2 is guaranteed, the supporting frame 2 which is connected to the supporting screw rod 3 through the fixing nut 4 in a threaded mode and is well pressed, and reliability of the position of the supporting frame 2 is guaranteed. According to the post-cast strip area 7, before concrete is poured, the height of the support frame 2 of the post-cast strip formwork can be adjusted in a segmented mode at any time, and as the top surface of the support frame 2 is a leveling reference surface for concrete pouring of the post-cast strip area 7, the flatness of the leveling reference surface for concrete pouring of the post-cast strip area 7 is guaranteed, the flatness of the post-cast strip area 7 after concrete pouring is further guaranteed, the heights of the post-cast strip area 7 after concrete pouring are identical to the heights of concrete surfaces on two sides, and the quality of the post-cast strip is guaranteed.
In order to meet the requirements of connection and leveling, the support frame 2 is angle steel. One side of the angle steel is used for connection, the other side is used for providing a datum plane for leveling, and meanwhile, the side can also prevent cushion concrete from flowing to the post-pouring zone 7. Wherein, the angle steel is used for being provided with the connection through-hole 201 of a plurality of equipartition on the side of connection, and a plurality of connection through-holes 201 are followed the length direction setting of angle steel, support lead screw 3 wears to locate in the connection through-hole 201.
It will be appreciated that, in order to facilitate the support screw 3 to pass through the connection through hole 201, the diameter of the connection through hole 201 is larger than the outer diameter of the support screw 3 and smaller than the outer dimension of the adjusting nut 5 or the fixing nut 4, so that the adjusting nut 5 or the fixing nut 4 is convenient to limit the support frame 2.
In order to improve the positioning reliability of the support frame 2, the adjacent connecting through holes 201 are spaced apart by a distance of 50-80 mm. The distance between adjacent connection through holes 201 may be adjusted to other values by those skilled in the art, and is not limited herein, and the distance is a preferable range.
Wherein the base layer 1 is a leveling layer, a reinforcing steel bar or a steel beam. When building structure's one deck, basic unit 1 is the screed, and the bottom mounting of supporting screw 3 is on the screed. When building structure's two-layer and above, basic unit 1 is reinforcing bar or girder steel, and support lead screw 3 is fixed in on reinforcing bar or the girder steel, and is fixed stable.
In one embodiment, the rod diameter of the support screw 3 is 12mm. Correspondingly, the aperture of the connecting through hole 201 is correspondingly arranged with the rod diameter of the supporting screw rod 3, and the aperture of the connecting through hole 201 is slightly larger than the rod diameter of the supporting screw rod 3. The supporting screw rod 3 can be a full-thread screw rod or a partial-thread screw rod, so long as the length of the thread on the supporting screw rod 3 is ensured to meet the adjustment requirement.
Specifically, the angle steel is equilateral angle steel, and the equilateral angle steel is angle steel with the edge width of 40mm or 50 mm. In other embodiments, non-equilateral angles may be used, without limitation.
In order to facilitate the adjustment of the height of the support frame 2, the support screw 3 is vertically disposed on the base layer 1. The bottom end of the supporting screw rod 3 is pre-buried in the base layer 1.
The use process of the post-cast strip adjustable supporting structure comprises the following steps: determining the position of a template according to the position shown by the post-pouring zone of the construction drawing; determining the height of angle steel according to the paving thickness of concrete, and adjusting and correcting the levelness of the template; the angle steel is pre-perforated with a connecting through hole 201 according to the specification of the supporting screw rod 3, the supporting screw rod 3 is fixed on a leveling layer, and two layers and more are fixed on the steel bars or other supporting objects; finally leveling angle steel before pouring concrete of the post-pouring belt, and ensuring that the heights of concrete at two sides of the post-pouring belt meet the requirements; and removing the nuts and the angle steel before pouring the post-cast strip, and recycling the nuts and the angle steel.
The post-cast strip adjustable supporting structure is simple in structure, convenient to manufacture, low in process requirement, simple and convenient to operate, high in field installation efficiency, adjustable in post-elevation, capable of guaranteeing flatness of the post-cast strip, reusable and low in construction cost. According to the post-cast strip adjustable supporting structure, the supporting frame with adjustable height is arranged, the height and the position of the post-cast strip formwork angle steel can be adjusted in a segmented mode at any time before concrete in the post-cast strip area 7 is poured, and the flatness and the attractiveness of the poured concrete at the post-cast strip are guaranteed.
In the description of the present embodiment, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "vertical", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present embodiment.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present embodiment, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A post-cast strip adjustable support structure comprising:
the support screw rod is fixed on the base layer;
the support frame is connected to the support screw rod in a sliding manner;
the support screw rod is connected with an adjusting nut and a fixing nut in a threaded mode, the adjusting nut is connected to the lower side of the support frame, and the fixing nut is connected to the upper side of the support frame.
2. The post-cast strip adjustable support structure of claim 1, wherein the support frame is angle steel;
the angle steel is characterized in that a plurality of uniformly distributed connecting through holes are formed in one side edge of the angle steel, the connecting through holes are formed in the length direction of the angle steel, and the supporting screw rod penetrates through the connecting through holes.
3. The post-cast strip adjustable support structure of claim 2, wherein the diameter of the connecting through hole is greater than the outer diameter of the support screw and less than the outer dimension of the adjustment nut or the fixation nut.
4. The post-cast strip adjustable support structure of claim 2, wherein adjacent connecting through holes are spaced apart a distance of 50-80 mm.
5. The post-cast strip adjustable support structure of claim 1, wherein the base layer is a screed, rebar, or steel beam.
6. The post-cast strip adjustable support structure of claim 2, wherein the support screw has a stem diameter of 12mm.
7. The post-cast strip adjustable support structure of claim 6, wherein the aperture of the connecting through hole is provided corresponding to the stem diameter of the support screw.
8. The post-cast strip adjustable support structure of claim 2, wherein the angle is an equilateral angle;
the equilateral angle steel is angle steel with the side width of 40mm or 50 mm.
9. The post-cast strip adjustable support structure of claim 1, wherein the support screw is vertically disposed on the base layer;
the bottom end of the supporting screw rod is pre-buried in the base layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320519951.4U CN219451531U (en) | 2023-03-16 | 2023-03-16 | Adjustable supporting structure of post-cast strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320519951.4U CN219451531U (en) | 2023-03-16 | 2023-03-16 | Adjustable supporting structure of post-cast strip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219451531U true CN219451531U (en) | 2023-08-01 |
Family
ID=87387511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320519951.4U Active CN219451531U (en) | 2023-03-16 | 2023-03-16 | Adjustable supporting structure of post-cast strip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219451531U (en) |
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2023
- 2023-03-16 CN CN202320519951.4U patent/CN219451531U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |