CN210368577U - Trestle for foundation pit - Google Patents
Trestle for foundation pit Download PDFInfo
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- CN210368577U CN210368577U CN201921005175.6U CN201921005175U CN210368577U CN 210368577 U CN210368577 U CN 210368577U CN 201921005175 U CN201921005175 U CN 201921005175U CN 210368577 U CN210368577 U CN 210368577U
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Abstract
The utility model discloses a trestle for foundation pit, which relates to the trestle structure technical field, comprising a plurality of upright posts and lattice posts integrally arranged at the top ends of the upright posts, wherein, the top ends of the lattice posts are simultaneously provided with trestle plates, and the side wall of any one or more lattice posts is provided with an auxiliary structural member; the auxiliary structural member comprises two supporting plates and a contact plate fixedly connected with the two supporting plates, and the two supporting plates are welded on the outer wall of the lattice column; a scissor support and two horizontal supports are arranged between the adjacent lattice columns, the scissor support is arranged between the two horizontal supports, and the end parts of the scissor support and the horizontal supports are completely attached to and fixed on the outer surface of the contact plate. When the lattice column twists reverse with the skew, add auxiliary structure spare at lattice column outer wall, backup pad and lattice column direct weld, and then make it closely laminate with the bridging through changing the contact plate surface and form effective connection, improved the shear strength between bridging and the lattice column to it is convenient to install, the utility model has the characteristics of with strong points, construction period is short.
Description
Technical Field
The utility model belongs to the technical field of the landing stage structure technique and specifically relates to a landing stage for foundation ditch is related to.
Background
In deep foundation pit engineering, a trestle is a structure generally used for assisting excavation of foundation pit earthwork, and the trestle is composed of components such as a trestle plate, a trestle beam, a vertical column pile, a lattice column and a shear brace. The patent publication is CN 204510215U's chinese patent, provides a steel platform for foundation ditch construction, including construction platform, fender pile, steel lattice column, shaped steel level prop, shaped steel bridging, foundation pile, construction platform arrange in on fender pile and many steel lattice columns, steel lattice column arranges in on the foundation pile, prop fixed connection through many shaped steel levels between many steel lattice columns and the fender pile, be equipped with crisscross shaped steel bridging between the adjacent shaped steel level props.
Normally, the lattice column needs to be positioned in the correct direction according to design drawings during construction, so that the later-stage cross bracing can be normally welded with the lattice column. However, in the actual construction process of the lattice column, due to the unclear underground geological conditions and the deviation in actual operation, the lattice column is difficult to be accurately installed in place according to the requirements of design drawings, torsion and deviation can occur, and great inconvenience is caused to effective connection construction between the later-stage cross braces and the lattice column.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a landing stage for foundation ditch, its characteristics lie in that the pertinence has solved when bridging and lattice column not on same plane, can't carry out the problem of effective connection, has also shortened construction period.
The utility model discloses a can realize through following technical scheme:
a trestle for a foundation pit comprises a plurality of upright posts and lattice posts integrally arranged at the top ends of the upright posts, wherein trestle plates are erected at the top ends of the lattice posts simultaneously, and auxiliary structural members with adjustable fixed positions are arranged on the side walls of any one or more lattice posts;
the auxiliary structural member comprises two supporting plates and a contact plate fixedly connected with the two supporting plates, and the two supporting plates are welded on the outer wall of the lattice column;
it is adjacent be provided with a bridging and two level between the lattice column and prop, the bridging is arranged in two between the level props, the tip that bridging and level propped with the contact plate surface is laminated completely and is fixed.
Through adopting above-mentioned technical scheme, when the lattice column twists reverse and the skew, add auxiliary structure spare at lattice column outer wall, backup pad and lattice column direct weld, and then make it can closely laminate with the bridging and form effective connection through changing the contact plate surface, improved the shear strength between bridging and the lattice column to it is convenient to install, convenient operation.
Further setting the following steps: the lattice column includes equilateral angle steel and steel sheets, four the vertical setting of equilateral angle steel just is fixed with a plurality ofly along its length direction steel sheets, steel sheets keeps away from one side of equilateral angle steel is the plane setting.
Through adopting above-mentioned technical scheme, the lattice column passes through the equilateral angle steel combination and fixes through the connecting steel plate in its equilateral angle steel outside.
Further setting the following steps: the lattice column includes equilateral angle steel and steel sheet, four the vertical setting of equilateral angle steel just is fixed with a plurality ofly along its length direction steel sheet connects, steel sheet keeps away from one side of equilateral angle steel is cambered surface setting and upper and lower adjacent steel sheet's cambered surface direction is unanimous.
Through adopting above-mentioned technical scheme, the lattice column is fixed through connection steel plate in its equilateral angle steel outside through the combination of equilateral angle steel, and on the other hand, when connection steel plate and contact plate welded position adjusted, can change the plane position of contact plate by a small margin, the be convenient for scissor brace and the fixed of horizontal brace.
Further setting the following steps: the backup pad is the triangle-shaped setting, two in the same auxiliary structure spare the backup pad respectively with upper and lower adjacent two connect the steel sheet fixed connection.
Through adopting above-mentioned technical scheme, the backup pad is propped according to the shearing force and is cut with the angle between the lattice column, makes its angle satisfy the demand, and the backup pad is propped with the level and is propped and contact plate direct weld after with the connecting steel plate surface direct weld, the shearing force of being convenient for.
Further setting the following steps: one side of the supporting plate, which is far away from the contact plate, is provided with a clamping groove, and two supporting plates in the same auxiliary structural member are respectively and fixedly connected with four connecting steel plates which are vertically adjacent.
Through adopting above-mentioned technical scheme, but the backup pad joint is in two connecting steel sheet outsides and rather than both welded fastening, improves the stability of connecting.
Further setting the following steps: the cross arm comprises two long steel bars which are arranged in a cross mode, and reinforcing plates are fixed at the cross points of the two long steel bars.
Through adopting above-mentioned technical scheme, two elongated steel are cross arrangement and the junction improves stability through the gusset plate.
Further setting the following steps: the upright post pile comprises a steel reinforcement cage and a concrete pile poured into the steel reinforcement cage.
Through adopting above-mentioned technical scheme, excavation hole in foundation ditch bottom, transfer the steel reinforcement cage and pour into the concrete in order to form the concrete pile.
To sum up, the utility model discloses a beneficial technological effect does:
in the work progress, the backup pad is welded in the suitable position of the lattice column outer wall that deflects to change the angle between contact plate and the connection steel sheet, thereby make and be in the coplanar between contact plate and other lattice columns, make bridging and horizontal brace connect and form effective connection with two lattice columns, improved the shear strength between bridging and the lattice column, the pertinence tie point that strengthens, construction period is short simultaneously.
Drawings
FIG. 1 is a schematic overall structure diagram of the first embodiment;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is a schematic view of the overall structure of the second embodiment;
FIG. 4 is an enlarged view of a portion B of FIG. 3;
FIG. 5 is a schematic view showing the overall structure of the third embodiment;
FIG. 6 is a schematic view of the overall structure of the fourth embodiment.
Reference numerals: 1. a vertical column pile; 2. a scissor support; 3. a lattice column; 4. a support plate; 5. a contact plate; 6. a clamping groove; 7. horizontally supporting; 8. a bridge plate; 11. a reinforcement cage; 12. concrete piles; 21. a long section steel; 22. a reinforcing plate; 31. angle steel with equal edges; 32. and connecting the steel plates.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example one
Referring to fig. 1 and 2, the trestle for the foundation pit comprises a plurality of upright piles 1, wherein each upright pile 1 comprises a reinforcement cage 11 and a concrete pile 12 poured into the reinforcement cage. A hole is excavated in the bottom of the foundation pit so that the reinforcement cage 11 is lowered into the hole and concrete is injected into the reinforcement cage 11, thereby forming the concrete pile 12.
The top of stand pile 1 is provided with lattice column 3, and stand pile 1 and lattice column 3 are same sharp setting, and 3 tops of a plurality of lattice columns are erect simultaneously and are had landing stage board 8, landing stage board 8 and foundation ditch bottom surface parallel arrangement. A lattice column 3 includes four equal angle steel 31 and a plurality of steel connecting plate 32, four equal angle steel 31 vertical settings and all fixed with concrete pile 12, equal angle steel 31 side section is "L" font, be fixed with steel connecting plate 32 between adjacent equal angle steel 31, four steel connecting plate 32 encircle four equal angle steel 31 round and be a set of, be fixed with multiunit steel connecting plate 32 along equal angle steel 31 length direction, one side that steel connecting plate 32 kept away from equal angle steel 31 is the plane setting.
With reference to fig. 2, the side walls of any one or more of the lattice columns 3 are provided with auxiliary structural members with adjustable fixed positions; the auxiliary structural member comprises two support plates 4 and a contact plate 5 welded and fixed with the two support plates, the two support plates 4 are arranged in parallel and are orthogonal to the contact plate 5, and the two support plates 4 are welded on the outer walls of two adjacent flat steel plates above and below the lattice column 3 respectively. The supporting plate 4 is arranged in a triangular shape, and the inclined surface of the supporting plate 4 is attached to the outer wall of one connecting steel plate 32. Backup pad 4 props the angle between 3 with the lattice column according to the shearing force and cuts, makes its angle satisfy the demand, and backup pad 4 props 7 and contact plate 5 direct weld with the level with the connection steel sheet 32 surface direct weld back, the shearing force of being convenient for props.
Be provided with a bridging 2 and two horizontal braces 7 between adjacent lattice column 3, bridging 2 arranges in between two horizontal braces 7, and bridging 2 includes two alternately arranged long section steel 21, and two long section steel 21 cross points department is fixed with gusset plate 22. Two long steel 21 are the setting of crossing and the junction improves stability through gusset plate 22. When one or more lattice columns 3 are deflected, the four corners of the cross brace 2 are respectively provided with auxiliary structural members or directly contact with the connecting steel plates 32. The ends of the cross braces 2 and the horizontal braces 7 are completely attached and fixed to the outer surface of the contact plate 5 or the connecting steel plate 32.
Example two
Referring to fig. 3 and 4, a trestle for a foundation pit is different from the first embodiment in that: one side that contact plate 5 was kept away from to backup pad 4 has seted up joint groove 6, joint groove 6 and two adjacent binding steel plate 32 welded fastening, two backup pads 4 in the same auxiliary structure spare respectively with four binding steel plate 32 welded fastening that are adjacent from top to bottom. But backup pad 4 joint is in two connecting steel plate 32 outsides and rather than both welded fastening, improves the stability of connecting.
EXAMPLE III
Referring to fig. 5, a trestle for foundation pit, which is different from the first embodiment in that: one side that connecting steel plate 32 kept away from equilateral angle steel 31 is the cambered surface setting, and the thickness of connecting steel plate 32 angle department is greater than the thickness of other three angle departments, and the cambered surface direction of adjacent connecting steel plate 32 about in the lattice column 3 is unanimous. And one side of the support plate 4 far away from the contact plate 5 is fixedly welded with the cambered surface of the connecting steel plate 32. When the welding position of the support plate 4 and the contact plate 5 is changed, the angle between the contact plate 5 and the connection steel plate 32 is also changed. When the welding position of the connecting steel plate 32 and the contact plate 5 needs to be adjusted, the plane position of the contact plate 5 can be changed in a small range, and the fixing of the scissor supports 2 and the horizontal supports 7 is facilitated.
Example four
Referring to fig. 6, a trestle for foundation pit, which is different from the first embodiment in that: one side that contact plate 5 was kept away from to backup pad 4 has seted up joint groove 6, joint groove 6 and two adjacent binding steel plate 32 welded fastening, two backup pads 4 in the same auxiliary structure spare respectively with four binding steel plate 32 welded fastening that are adjacent from top to bottom. But backup pad 4 joint is in two connecting steel plate 32 outsides and rather than both welded fastening, improves the stability of connecting.
One side that connecting steel plate 32 kept away from equilateral angle steel 31 is the cambered surface setting, and the thickness of connecting steel plate 32 angle department is greater than the thickness of other three angle departments, and the cambered surface direction of adjacent connecting steel plate 32 about in the lattice column 3 is unanimous. And one side of the support plate 4 far away from the contact plate 5 is fixedly welded with the cambered surface of the connecting steel plate 32. When the welding position of the support plate 4 and the contact plate 5 is changed, the angle between the contact plate 5 and the connection steel plate 32 is also changed. When the welding position of the connecting steel plate 32 and the contact plate 5 needs to be adjusted, the plane position of the contact plate 5 can be changed in a small range, and the fixing of the scissor supports 2 and the horizontal supports 7 is facilitated.
The utility model discloses an implement principle and beneficial effect do:
when the reason leads to the lattice column 3 to appear twisting reverse and skew because of the construction, in the suitable position welded support plate 4 of 3 outer walls of lattice column that deflects, with the angle between change contact plate 5 and the connecting steel plate 32, thereby make and be in the coplanar between contact plate 5 and other lattice column 3, make bridging 2 and level prop 7 and connect and form effective connection with two lattice column 3, improved the shear strength between bridging 2 and the lattice column 3, improve the security of landing stage, and it is convenient to install, convenient operation, the utility model has the characteristics of with strong points, construction period is short.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (7)
1. The utility model provides a landing stage for foundation ditch which characterized in that: the pile comprises a plurality of upright posts (1) and lattice columns (3) integrally arranged at the top ends of the upright posts, wherein a bridge plate (8) is erected at the top ends of the lattice columns (3), and auxiliary structural members with adjustable fixed positions are arranged on the side walls of any one or more lattice columns (3);
the auxiliary structural part comprises two supporting plates (4) and a contact plate (5) fixedly connected with the two supporting plates, and the two supporting plates (4) are welded on the outer wall of the latticed column (3);
it is adjacent be provided with a bridging (2) and two level between lattice column (3) and prop (7), bridging (2) are arranged in two between level props (7), the tip of bridging (2) and level prop (7) with contact plate (5) surface is laminated completely and is fixed.
2. The trestle for foundation pits according to claim 1, wherein: lattice column (3) are including equilateral angle steel (31) and connecting steel plate (32), four equilateral angle steel (31) vertical setting just is fixed with a plurality ofly along its length direction connecting steel plate (32), connecting steel plate (32) are kept away from one side of equilateral angle steel (31) is the plane setting.
3. The trestle for foundation pits according to claim 1, wherein: lattice column (3) are including equilateral angle steel (31) and connecting steel plate (32), four the vertical setting of equilateral angle steel (31) just is fixed with a plurality ofly along its length direction connecting steel plate (32), connecting steel plate (32) are kept away from one side of equilateral angle steel (31) is the cambered surface setting and is adjacent from top to bottom the cambered surface direction of connecting steel plate (32) is unanimous.
4. The trestle for foundation pits according to claim 2 or 3, wherein: the supporting plates (4) are arranged in a triangular mode, and the supporting plates (4) are fixedly connected with the connecting steel plates (32) which are adjacent up and down respectively.
5. The trestle for foundation pits according to claim 2 or 3, wherein: one side, far away from the contact plate (5), of the support plate (4) is provided with a clamping groove (6), and the two support plates (4) in the same auxiliary structural member are fixedly connected with four vertically adjacent connecting steel plates (32) respectively.
6. The trestle for foundation pits according to claim 1, wherein: the cross brace (2) comprises two crossed long steel sections (21), and reinforcing plates (22) are fixed at the crossed points of the two long steel sections (21).
7. The trestle for foundation pits according to claim 1, wherein: the upright post pile (1) comprises a reinforcement cage (11) and a concrete pile (12) poured into the reinforcement cage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921005175.6U CN210368577U (en) | 2019-06-28 | 2019-06-28 | Trestle for foundation pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921005175.6U CN210368577U (en) | 2019-06-28 | 2019-06-28 | Trestle for foundation pit |
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| Publication Number | Publication Date |
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| CN210368577U true CN210368577U (en) | 2020-04-21 |
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| CN201921005175.6U Active CN210368577U (en) | 2019-06-28 | 2019-06-28 | Trestle for foundation pit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113414639A (en) * | 2021-07-07 | 2021-09-21 | 中交第二航务工程局有限公司 | Inner support bridging construction channel steel blanking positioner |
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2019
- 2019-06-28 CN CN201921005175.6U patent/CN210368577U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113414639A (en) * | 2021-07-07 | 2021-09-21 | 中交第二航务工程局有限公司 | Inner support bridging construction channel steel blanking positioner |
| CN113414639B (en) * | 2021-07-07 | 2022-04-26 | 中交二航局建筑工程有限公司 | Inner support bridging construction channel steel blanking positioner |
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