CN210002664U - steel bar truss floor support plate convenient for bottom die recovery - Google Patents
steel bar truss floor support plate convenient for bottom die recovery Download PDFInfo
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- CN210002664U CN210002664U CN201920380833.3U CN201920380833U CN210002664U CN 210002664 U CN210002664 U CN 210002664U CN 201920380833 U CN201920380833 U CN 201920380833U CN 210002664 U CN210002664 U CN 210002664U
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- steel bar
- steel bars
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- bottom die
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Abstract
The utility model relates to a steel bar truss building carrier plate convenient to die block is retrieved, its characterized in that includes die block, the steel bar truss and the connecting piece of evenly arranging on the die block of a plurality of groups interval, and every steel bar truss of group all includes upper chord reinforcing bars, two lower chord reinforcing bars and web member reinforcing bar, and upper chord reinforcing bar and lower chord reinforcing bar are parallel to each other, and the top and the upper chord reinforcing bar welding of web member reinforcing bar, bottom and lower chord reinforcing bar welding, the connecting piece interval fix on lower chord reinforcing bar, the die block pass through self tapping screw and connecting piece and be connected.
Description
Technical Field
The utility model belongs to the building field especially relates to steel bar truss building carrier plates of die block recovery of being convenient for.
Background
The floor slab is an important component of a building, the existing floor slab is formed by pouring reinforced concrete, for the convenience of construction, part of the steel bars of the floor slab can be made into a steel bar truss, the steel bar truss and a bottom die are combined at to form a steel bar truss floor bearing plate, and the existing steel bar truss floor bearing plate has a plurality of forms.
The most common steel bar truss floor support plate structure is that connecting steel bars are welded at the wave trough positions of web member steel bars of a steel bar truss, when a bottom die is installed, the connecting steel bars penetrate through connecting holes reserved in the bottom die, and then the bottom die is fixed by nuts. The steel bar truss floor carrier plate of above-mentioned structure is at floor concrete placement maintenance back of taking shape, unscrews the nut and demolishs the die block, and connecting reinforcement exposes in concrete floor's bottom surface this moment, for the roughness of guaranteeing the floor, still need cut off connecting reinforcement, therefore, the steel bar truss floor carrier plate follow-up processing that this structure relates to is more loaded down with trivial details.
In order to solve the problems, Chinese patent application No. 201721065142.1 discloses floor bearing plate structures of body type steel bar trusses, which comprise cement pressure prefabricated bottom plates and trusses, wherein a plurality of trusses are arranged in parallel and equidistantly, the trusses are inserted into clamping grooves of the cement pressure prefabricated plates after the trusses are welded, the bottom plates are used as bottom templates, the trusses and the bottom plates can be connected into a common stress body after the concrete is poured, the bearing capacity of a body type steel bar truss bottom plate is improved, higher requirements are met, the bottom plates do not need to be detached after the cement is solidified and are directly used, the bottom plates of the structures are bottom templates, and the bottom plates are used as parts of the floor slabs after the floor slabs are poured and formed, so that the thickness of the floor slab is not required to be detached, construction is facilitated, the thickness.
Disclosure of Invention
An object of the utility model is to the above-mentioned problem, provide neotype steel bar truss building carrier plates, its die block is dismantled conveniently, and the construction is simple, die block recycle, reduce cost.
In order to achieve the purpose, the utility model provides a technical scheme does:
the utility model relates to steel bar truss floor support plates convenient for bottom die recovery, which comprises a bottom die, a plurality of groups of steel bar trusses evenly arranged on the bottom die at intervals and connecting pieces,
each group of steel bar trusses comprises upper chord steel bars, two lower chord steel bars and web member steel bars, the upper chord steel bars and the lower chord steel bars are parallel to each other, the tops of the web member steel bars are welded with the upper chord steel bars, and the bottoms of the web member steel bars are welded with the lower chord steel bars;
the connecting pieces are fixed on the lower chord steel bars at intervals;
the bottom die is connected with the connecting piece through a self-tapping screw.
Preferably, the connecting piece include left connecting block and right connecting block, the articulated connection of axis of rotation is passed through at the top of left connecting block and right connecting block, the right side of left connecting block and the left surface of right connecting block are equipped with the cross-section that corresponds each other respectively and are semicircular bar hole, still be equipped with the locking screw with bar hole intercommunication on the connecting block of a left side, be furnished with locking screw in the locking screw, the bottom of left connecting block is equipped with the connection screw, the side all is equipped with the flexure strip around the left connecting block, the inboard of flexure strip is equipped with the jack catch, the side is equipped with the arch with jack catch complex around the right connecting block, the latter half of left connecting block and right connecting block passes through jack catch and protruding.
Preferably, the aperture of the strip-shaped hole is matched with the diameter of the lower chord steel bar.
Preferably, a sealing gasket is arranged between the connecting piece and the bottom die.
Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:
the utility model discloses a die block is through self tapping screw connection on the connecting piece, only needs to twist off self tapping screw and can demolish the die block when demolising the die block, and the die block is demolishd conveniently, compares with die block detachable steel bar truss building carrier plate in the background art, and the die block is demolishd back floorslab bottom and is had connecting reinforcement, and follow-up construction is simple, can accelerate the construction progress.
Compare style steel bar truss building carrier plate structure among the background art, the utility model discloses well used die block and the equal recoverable reuse of self-tapping screw reduce the thickness of floor and dead weight, reduce the cost of construction.
Drawings
Fig. 1 is a front view of a steel bar truss floor deck convenient for bottom die recovery of the utility model;
fig. 2 is a side view of the steel bar truss floor deck convenient for bottom die recovery of the utility model;
FIG. 3 is a schematic view of the structure of the connector;
FIG. 4 is a schematic view of the link in an expanded state;
FIG. 5 is a right side view of the link in the deployed condition;
fig. 6 is a schematic view of the connection joint of the off-line reinforcing bars, the connecting members and the bottom mold.
Illustration of the drawings: the steel bar truss-type self-tapping device comprises 1-a steel bar truss, 2-connecting pieces, 3-a bottom die, 4-self-tapping screws, 5-sealing gaskets, 11-upper chord steel bars, 12-lower chord steel bars, 13-web member steel bars, 21-left connecting blocks, 22-right connecting blocks, 23-rotating shafts, 24-strip-shaped holes, 25-locking screw holes, 26-locking screws, 27-connecting screw holes, 28-elastic pieces, 29-clamping jaws and 30-bulges.
Detailed Description
To further understand the contents of the present invention, the present invention will be described in detail with reference to the following examples, which are provided to illustrate the present invention but not to limit the scope of the present invention.
With reference to fig. 1 and 2, the utility model relates to steel bar truss floor carrier plates convenient to die block is retrieved, including die block 3, the even interval arrangement of a plurality of groups interval steel bar truss 1 and connecting piece 2 on die block 3.
Referring to the attached drawings 1 and 2, each group of steel bar trusses 1 comprises upper chord steel bars 11, two lower chord steel bars 12 and web members 13, the upper chord steel bars 11 and the lower chord steel bars 12 are parallel to each other and arranged in a triangular shape, the tops of the web members 13 are welded with the upper chord steel bars 11, the bottoms of the web members are welded with the lower chord steel bars 12, and a plurality of connecting pieces 2 are uniformly arranged on each lower chord steel bar 12 at intervals.
Combine shown in fig. 3 ~ 5, connecting piece 2 include left connecting block 21 and right connecting block 22, the articulated connection of axis of rotation 23 is passed through at left connecting block 21 and right connecting block 22's top, both can rotate axis 23 and rotate as the axle center, the right side of left connecting block 21 and the left surface of right connecting block 22 are equipped with the cross-section that corresponds each other respectively and are semicircular bar hole 24, round holes are constituteed to two bar holes 24, the aperture of round hole slightly is greater than the diameter of lower chord reinforcing bar 24, still be equipped with the locking screw 25 with bar hole 24 intercommunication on the left connecting block 21, be furnished with locking screw 26 in the locking screw 25, the bottom of left connecting block 21 is equipped with the connection screw 27, the front and back side of left connecting block 21 all is equipped with flexure strip 28, the inboard of flexure strip 28 is equipped with jack catch 29, the front and back side of right connecting block 22 is equipped with jack catch 29 complex arch 30, left connecting block 21 and right connecting block 22 laminate completely.
As shown in the attached drawings 1-2 and 6, the bottom die 3 is a steel die with the thickness of 2cm, screw holes are formed in the position, corresponding to the connecting screw holes 27, of the bottom die, and the bottom die 3 is connected with the connecting piece 2 through self-tapping screws 4. In order to prevent the fluid concrete from flowing to the gap between the connecting piece 2 and the bottom die 3 and the gap between the screw hole and the self-tapping screw 4 during the pouring of the concrete of the floor slab, thereby causing the concrete loss and difficulty in disassembling the self-tapping screw 4 in the later period, a sealing gasket 5 is arranged between the connecting piece 2 and the bottom die 3 before the bottom die is assembled.
With reference to the accompanying drawings 1, 2 and 6, the construction method of the steel bar truss floor support plate comprises the following steps:
and , welding the steel bar truss 1, namely welding the upper chord steel bar 11 and the lower chord steel bar 12 at the bottom and the bottoms of two sides of the web member steel bar 13, ensuring that the upper chord steel bar 11 and the lower chord steel bar 12 are parallel in the welding process, ensuring that the lowest part of the web member steel bar 13 is lower than the lower chord steel bar 12, and ensuring that the distance between the lowest part of the web member steel bar 13 and the lower chord steel bar 12 is the designed distance from the lower chord steel bar 12 to the bottom surface of the floor slab.
And step two, mounting the connecting piece 2, namely placing the left connecting block 21 at the position of the lower chord steel bar 12, enabling the strip-shaped hole 24 on the left connecting block 21 to be just buckled on the lower chord steel bar 12, then rotating the right connecting block 22 to enable the left side surface of the right connecting block 22 to be completely attached to the right side surface of the left connecting block 21, enabling circular holes formed by the strip-shaped holes 24 of the right connecting block 22 and the left connecting block 21 to wrap the lower chord steel bar 12, fixing the left connecting block 21 and the right connecting block 22 firmly in a mode that the clamping jaws 29 of the elastic pieces 28 clamp the bulges 30, enabling the end part of the locking screw 26 to be abutted against the lower chord steel bar 12 in a mode that the locking screw 26 is screwed inwards after the angle adjustment is finished, and preventing the connecting piece 2 from rotating or moving back and forth again.
And step three, mounting the bottom die 3, namely adhering sealing gaskets 5 to the bottom of the connecting piece 2 before mounting the bottom die 3, and then connecting each position of the bottom die 3 with the connecting piece 2 through self-tapping screws 4.
Step four, concrete pouring and maintenance of the floor slab: and pouring concrete on the upper surface of the bottom die 3, and curing to form the concrete floor.
Step five, detaching the bottom die 3: and (3) supporting the lower surface of the bottom die 3 by using a temporary supporting piece, unscrewing the self-tapping screws 4 in a mode of reversely screwing the self-tapping screws 4, removing the temporary supporting piece after all the self-tapping screws 4 are all removed, and removing the bottom die 3 to complete the whole construction of the floor slab. The detached bottom die 3 and the self-tapping screws 4 are recycled for reuse.
The present invention has been described in detail with reference to the embodiments, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (4)
1, steel bar truss floor support plates convenient for bottom die recovery, which is characterized in that the floor support plates comprise a bottom die (3), a plurality of groups of steel bar trusses (1) and connecting pieces (2) which are evenly arranged on the bottom die (3) at intervals,
each group of steel bar trusses (1) comprises upper chord steel bars (11), two lower chord steel bars (12) and web member steel bars (13), wherein the upper chord steel bars (11) and the lower chord steel bars (12) are parallel to each other, the tops of the web member steel bars (13) are welded with the upper chord steel bars (11), and the bottoms of the web member steel bars are welded with the lower chord steel bars (12);
the connecting pieces (2) are fixed on the lower chord steel bars (12) at intervals;
the bottom die (3) is connected with the connecting piece (2) through a self-tapping screw (4).
2. The steel bar truss floor deck convenient to die block is retrieved according to claim 1, characterized in that: connecting piece (2) including left connecting block (21) and right connecting block (22), the top of left connecting block (21) and right connecting block (22) is passed through axis of rotation (23) and is articulated to be connected, the right flank of left connecting block (21) and the left flank of right connecting block (22) are equipped with cross-section that corresponds each other respectively and are semicircular bar hole (24), still be equipped with locking screw (25) with bar hole (24) intercommunication on left connecting block (21), locking screw (26) are furnished with in the locking screw (25), the bottom of left connecting block (21) is equipped with connects screw (27), the front and back side of left connecting block (21) all is equipped with flexure strip (28), the inboard of flexure strip is equipped with jack catch (29), the front and back side of right connecting block (22) is equipped with and jack catch (29) complex arch (30), the latter half of left connecting block (21) and right connecting block (22) passes through jack catch (29) and arch (30) complex mode lock joint.
3. The steel bar truss floor deck convenient to die block is retrieved according to claim 2, characterized in that: the aperture of the strip-shaped hole (24) is matched with the diameter of the lower chord steel bar (12).
4. The steel bar truss floor deck convenient to die block is retrieved according to claim 1, characterized in that: and a sealing gasket (5) is arranged between the connecting piece (2) and the bottom die (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920380833.3U CN210002664U (en) | 2019-03-25 | 2019-03-25 | steel bar truss floor support plate convenient for bottom die recovery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920380833.3U CN210002664U (en) | 2019-03-25 | 2019-03-25 | steel bar truss floor support plate convenient for bottom die recovery |
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| CN210002664U true CN210002664U (en) | 2020-01-31 |
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| CN201920380833.3U Active CN210002664U (en) | 2019-03-25 | 2019-03-25 | steel bar truss floor support plate convenient for bottom die recovery |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111677281A (en) * | 2020-05-06 | 2020-09-18 | 中铁建设集团北京工程有限公司 | Construction method of floor system with triangular truss easy to install |
| CN113738006A (en) * | 2021-10-14 | 2021-12-03 | 山东省建设科技与产业化中心有限公司 | Truss floor plate |
| CN115142558A (en) * | 2022-07-15 | 2022-10-04 | 江苏昊钢建筑科技有限公司 | Split type truss floor carrier plate connecting piece |
-
2019
- 2019-03-25 CN CN201920380833.3U patent/CN210002664U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111677281A (en) * | 2020-05-06 | 2020-09-18 | 中铁建设集团北京工程有限公司 | Construction method of floor system with triangular truss easy to install |
| CN113738006A (en) * | 2021-10-14 | 2021-12-03 | 山东省建设科技与产业化中心有限公司 | Truss floor plate |
| CN115142558A (en) * | 2022-07-15 | 2022-10-04 | 江苏昊钢建筑科技有限公司 | Split type truss floor carrier plate connecting piece |
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