CN212271249U - Column base left-hand thread sliding device - Google Patents
Column base left-hand thread sliding device Download PDFInfo
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- CN212271249U CN212271249U CN202022032444.7U CN202022032444U CN212271249U CN 212271249 U CN212271249 U CN 212271249U CN 202022032444 U CN202022032444 U CN 202022032444U CN 212271249 U CN212271249 U CN 212271249U
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- 238000003825 pressing Methods 0.000 claims abstract description 12
- 238000010276 construction Methods 0.000 abstract description 8
- 238000003466 welding Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 230000008859 change Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000001932 seasonal effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 235000014121 butter Nutrition 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Abstract
A column base reverse buckling sliding device comprises an upright column, a column foot plate, a foundation, a pre-embedded plate, a sliding plate, a reverse buckling plate and a pressing plate; the bottom surface welding of stand has the toe board, and the pre-buried board of basic top surface is pre-buried, and the pre-buried board sets up below the toe board, is equipped with the slide between pre-buried board and the toe board, and both sides on the pre-buried board all are equipped with polylith turn-buckle board, and every turn-buckle board is erect and is welded on the pre-buried board, and the draw-in groove has been seted up to the side bottom of the orientation toe board of turn-buckle board, and both sides on the toe board all are equipped with the clamp plate, and the. The device is provided with the sliding plate, so that the free sliding of the column base in the target direction can be realized, and the left-hand buckle plate is arranged to prevent the column base from generating the deformation of the degree of freedom in the non-target direction; the column base can better slide, the internal force can be effectively released, and the stress safety of the structure is ensured; the whole structure is simple, the construction is convenient, the cost is low, and the application effect is good.
Description
Technical Field
The utility model belongs to the technical field of the construction, concretely relates to column base left-hand thread displacement device.
Background
In building construction, the common constraint forms of the steel structure upright column base are hinged and solidified, and the sliding constraint forms are rare. Under the constraint condition of a conventional hinged column base and a conventional fixed column base, the column base and the foundation have large internal force under the action of external load, temperature change and the like, and if a column base structure in a slidable constraint form is designed, the internal force can be effectively released, and the stress safety of the structure is ensured.
SUMMERY OF THE UTILITY MODEL
The utility model provides a to above-mentioned problem, a column base left-hand thread displacement device is provided.
The purpose of the utility model can be realized by the following technical scheme: a column base reverse buckling sliding device comprises an upright column, a column foot plate, a foundation, a pre-embedded plate, a sliding plate, a reverse buckling plate and a pressing plate; the utility model discloses a novel anti-pinch plate of stand, including stand, embedded plate, slide plate, polylith anti-pinch plate, every anti-pinch plate, draw-in groove has been seted up to the side bottom of anti-pinch plate towards the toe board, both sides on the toe board all are equipped with polylith anti-pinch plate, every anti-pinch plate erects to weld on the embedded plate to the bottom of the side of anti-pinch plate towards the toe board has been equipped with the clamp plate, the clamp plate is rectangular shape and blocks in the draw-in groove of the polylith anti-pinch plate of homonymy.
Furthermore, the upright posts and the column foot plates are welded and reinforced through a plurality of stiffening plates uniformly distributed along the circumferential direction, and each stiffening plate is arranged along the radial direction of the upright post and stands on the column foot plate.
Further, the top surface of the embedded plate is flush with the top surface of the foundation.
Furthermore, anchor bars are arranged below the embedded plates.
Furthermore, a plurality of anti-buckling plates on each side of the embedded plate are uniformly distributed at equal intervals.
Compared with the prior art, the beneficial effects of the utility model are that: the arrangement of the sliding plate is beneficial to realizing free sliding of the column base in the target direction, and the arrangement of the reverse buckle plate prevents the column base from generating degree-of-freedom deformation in the non-target direction; the column base can better slide, the internal force can be effectively released, and the stress safety of the structure is ensured; the device has the advantages of simple overall structure, convenient construction, low cost and good application effect.
Drawings
Fig. 1 is a schematic view of the front vertical surface structure of the present invention.
Fig. 2 is a schematic side elevation structure of the present invention.
The parts in the figures are numbered as follows:
1 column
2 column foot plate
3 stiffening plate
4 foundation
5 Pre-buried plate
6 sliding plate
7 left-hand thread board
8 pressing plates.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings to make it clear to those skilled in the art how to practice the invention. While the invention has been described in connection with its preferred embodiments, these embodiments are intended to be illustrative, and not to limit the scope of the invention.
Referring to fig. 1 and 2, a column shoe left-hand thread sliding device can realize free sliding of a column shoe along a target direction, and comprises a column 1, a column foot plate 2, a stiffening plate 3, a foundation 4, a pre-buried plate 5, a sliding plate 6, a left-hand thread plate 7 and a pressing plate 8.
The bottom surface welding of stand 1 has toe board 2, and 3 welding reinforcement of polylith stiffening plate through following the circumference equipartition between stand 1 and the toe board 2, every stiffening plate 3 along the radial setting of stand 1 and stand on toe board 2.
The embedded plate 5 is embedded in the top surface of the foundation 4, the top surface of the embedded plate 5 is flush with the top surface of the foundation 4, anchor bars are arranged below the embedded plate 5, the embedded plate 5 is arranged below the column foot plate 2, a sliding plate 6 is arranged between the embedded plate 5 and the column foot plate 2, the two sides of the embedded plate 5 are respectively provided with a plurality of anti-buckling plates 7 which are uniformly distributed at equal intervals, each anti-buckling plate 7 is vertically welded on the embedded plate 5, clamping grooves are formed in the side bottoms of the anti-buckling plates 7 towards the column foot plate 2, the two sides of the column foot plate 2 are respectively provided with a pressing plate 8, each pressing plate 8 is in a long strip shape and is clamped in the clamping grooves of the plurality of anti-buckling plates 7 at the same side, and each pressing plate. The press plates 8 on the two sides of the column foot plate 2 are respectively buckled by the plurality of reverse buckling plates 7 on the two sides of the embedded plate 5, so that the two sides of the column foot plate 2 are pressed and fixed due to the application of reverse pressure, and the column foot is prevented from being deformed in the degree of freedom in the non-target direction.
The construction steps are as follows:
(1) embedding a horizontally arranged embedded plate 5 on the top surface of the foundation 4 to ensure that the top surface of the embedded plate 5 is flush with the top surface of the foundation 4;
(2) lubricating oil is smeared on the surface of the sliding plate 6, the sliding plate 6 is arranged on the embedded plate 5, and the toe board 2 is arranged on the sliding plate 6, so that good close contact between the embedded plate 5 and the sliding plate 6 and between the toe board 2 and the sliding plate 6 is ensured;
(3) pressing plates 8 are arranged on two sides of the column foot plate 2, a plurality of reverse buckling plates 7 are welded on two sides of the pre-embedded plate 5, the plurality of reverse buckling plates 7 on two sides of the pre-embedded plate 5 are buckled with the pressing plates 8 on two sides of the column foot plate 2 respectively, and then two sides of the column foot plate 2 are pressed and fixed;
(4) arranging the stand column 1 on the column foot plate 2, and welding and connecting the stand column 1 and the column foot plate 2 after adjusting the position and the verticality of the stand column 1 on the column foot plate 2;
(5) a plurality of stiffening plates 3 are welded between the stand column 1 and the column foot plate 2 for reinforcement, so that the structure stability is ensured.
The column 1, the column foot plate 2 and the stiffening plate 3 are matched and assembled in a trial mode before construction, and all the components are not welded and fixed temporarily. The embedded plate 5, the column foot plate 2 and the sliding plate 6 are required to be smooth and flat in surface, and the sliding plate 6 is made of materials with small friction coefficients.
Taking a project as an example, an arch bridge in a certain mountain area is installed by hanging steel arch ribs in a suspension mode through inclined pull buckles, a buckle tower is designed by depending on a constructed boundary pier and an approach bridge structure, part of column feet of the buckle tower are fixedly connected to the top of the boundary pier, the other part of column feet are located on an approach bridge continuous beam, and a column foot structure on the approach bridge beam surface is designed by adopting the column foot reverse buckle sliding device because the expansion deformation of the approach bridge during seasonal temperature change causes large additional internal force on the buckle tower column feet to influence the structure safety.
According to the stress requirement of the buckling tower structure, the size and the connection requirement of each component of the left-hand buckling sliding column base are calculated and determined in advance. The upright post 1 is made of a steel pipe with the diameter of 780 multiplied by 16mm, the toe board 2, the embedded board 5 and the pressing board 8 are all steel plates with the thickness of 30mm, the stiffening plate 3 and the left-hand thread board 7 are steel plates with the thickness of 20mm, and the sliding plate 6 is made of a stainless steel plate with the thickness of 4 mm. When the upright post 1 is machined, the upright post 1, the stiffening plate 3 and the column foot plate 2 are matched and assembled in a trial mode, the machining size is guaranteed to meet the precision requirement of field assembly, after the trial assembly is completed, all parts are not welded and fixed temporarily, parts are conveyed to a construction site, and the surface of the column foot plate 2 is required to be smooth and flat. The anchor bars are arranged below the embedded plates 5 according to stress analysis, the surfaces of the embedded plates 5 are guaranteed to be smooth and flat in the manufacturing and welding process, and if the embedded plates are heated, warped and deformed in the anchor bar welding process, the embedded plates are leveled in time.
Before concrete pouring of a straight line section (equivalent to a foundation 4) of a continuous beam at the top of the junction pier, the embedded plate 5 is fixedly installed according to a design position, the embedded plate 5 is required to be smooth in surface, firm in installation and horizontal in surface, and effective measures are adopted, such as steel bar welding or steel section supporting, and displacement and deformation are avoided in the concrete pouring construction process. After concrete pouring is finished and certain strength is achieved, foreign matters on the upper surface of the embedded plate 5 are cleaned, and polishing is smooth. Coating butter on the upper and lower surfaces of the sliding plate 6, then sequentially installing the sliding plate 6 and the column foot plate 2 on the embedded plate 5, adopting the reverse buckling plate 7 and the pressing plate 8 to tightly press the fixed column foot plate 2 under the condition of ensuring good close adhesion between the sliding plate 6 and the column foot plate 2 and between the sliding plate 6 and the embedded plate 5, installing and adjusting the position and the verticality of the stand column 1, then welding the stand column 1, the stiffening plate 3 and the column foot plate 2 with each other, and completing the installation of the column foot reverse buckling sliding device.
The column foot left-hand thread sliding device is applied in the engineering, so that the sliding of the buckled column foot along the axis direction of the bridge is well realized, the phenomenon that the buckling column foot is subjected to large additional internal force caused by the telescopic deformation of the continuous bridge approach beam during seasonal temperature change is avoided, the structural stress of the buckled column is effectively released, the construction safety is ensured, and a good effect is obtained.
It should be noted that many variations and modifications of the embodiments of the present invention are possible, which are fully described, and are not limited to the specific examples of the above embodiments. The above embodiments are merely illustrative of the present invention and are not intended to limit the present invention. In conclusion, the scope of the present invention should include those changes or substitutions and modifications which are obvious to those of ordinary skill in the art.
Claims (5)
1. A column base left-hand thread sliding device is characterized by comprising a column, a column foot plate, a foundation, a pre-embedded plate, a sliding plate, a left-hand thread plate and a pressing plate; the utility model discloses a novel anti-pinch plate of stand, including stand, embedded plate, slide plate, polylith anti-pinch plate, every anti-pinch plate, draw-in groove has been seted up to the side bottom of anti-pinch plate towards the toe board, both sides on the toe board all are equipped with polylith anti-pinch plate, every anti-pinch plate erects to weld on the embedded plate to the bottom of the side of anti-pinch plate towards the toe board has been equipped with the clamp plate, the clamp plate is rectangular shape and blocks in the draw-in groove of the polylith anti-pinch plate of homonymy.
2. The column shoe left-hand thread sliding device according to claim 1, wherein the column shoe is welded and reinforced with a plurality of stiffening plates uniformly distributed along the circumferential direction between the column shoe and the column shoe, and each stiffening plate is arranged along the radial direction of the column shoe and stands on the column shoe.
3. The socle left-hand thread glide of claim 1 wherein the top surface of the embedment plate is flush with the top surface of the foundation.
4. The socle left-hand thread skidding device of claim 1 wherein there are anchor bars under the pre-buried plate.
5. The socle left-hand thread skidding device of claim 1 wherein the left-hand thread is fixed on the embedded plate and the right-hand thread is fixed on the embedded plate.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020522822 | 2020-04-10 | ||
| CN2020205228227 | 2020-04-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212271249U true CN212271249U (en) | 2021-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022032444.7U Active CN212271249U (en) | 2020-04-10 | 2020-09-16 | Column base left-hand thread sliding device |
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| CN (1) | CN212271249U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111926925A (en) * | 2020-04-10 | 2020-11-13 | 中铁上海工程局集团有限公司 | Column base left-hand thread slipping device and construction method thereof |
-
2020
- 2020-09-16 CN CN202022032444.7U patent/CN212271249U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111926925A (en) * | 2020-04-10 | 2020-11-13 | 中铁上海工程局集团有限公司 | Column base left-hand thread slipping device and construction method thereof |
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