CN214363593U - Supporting foundation structure of gantry crane for river-crossing bridge construction - Google Patents
Supporting foundation structure of gantry crane for river-crossing bridge construction Download PDFInfo
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- CN214363593U CN214363593U CN202022741927.4U CN202022741927U CN214363593U CN 214363593 U CN214363593 U CN 214363593U CN 202022741927 U CN202022741927 U CN 202022741927U CN 214363593 U CN214363593 U CN 214363593U
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Abstract
The utility model relates to a road bridge construction field, concretely relates to support foundation structure for portal crane who strides river bridge construction, include a plurality of interim landing stage support columns that set up in the portal crane below, every interim landing stage support column the place ahead all is equipped with and keeps off a class part, it includes the drainage vertical pile with the roughly parallel arrangement of foundation pile to keep off a class part, even there is the water conservancy diversion support between drainage vertical pile and the foundation pile, the water conservancy diversion support includes multiunit reposition of redundant personnel transverse connection frame, every group reposition of redundant personnel transverse connection frame includes two transverse connection pole, and two transverse connection pole tip links to each other with two adjacent foundation piles respectively, make every group reposition of redundant personnel transverse connection frame form V-arrangement structure, still including the positioner who is used for foundation pile location installation. This structure is through keeping off a class structure, realizes the reposition of redundant personnel to rivers, reduces rivers and erodees the directness of foundation pile, guarantees stability, and the accurate installation that deuterogamies positioner and realize the foundation pile ensures the security and the operation precision of portal crane operation.
Description
Technical Field
The utility model relates to a road bridge construction field, especially a support foundation structure for crossing portal crane of river bridge construction.
Background
The construction of the large-span river-crossing bridge still has a plurality of problems which need overcoming for the modern road and bridge construction technology, the bridge deck is required to be widened or maintained and constructed on the existing river-crossing bridge, the traditional construction means is adopted for the occasion with larger river surface width, the construction is difficult to complete in a short time, and if the normal passing or short-time broken-road construction of the bridge is required to be ensured, the construction technology is more challenged.
As shown in figure 1, a novel construction scheme is designed, a gantry crane is erected above a bridge body 3, hoisting construction is carried out through a hanging device on a gantry crane gantry 1, construction difficulty can be reduced, construction efficiency can be improved, and interference on normal passing of an existing bridge floor is reduced. In the scheme, a gantry crane gantry 1 is supported by gantry supporting legs 4, a track for the gantry supporting legs to slide and a box girder 5 for arranging the track are arranged below the gantry supporting legs 4, and a temporary trestle support column 6 arranged on an underwater concrete base 7 is arranged below the box girder 5.
In this scheme, ingenious utilization longmen hoist and mount brings the guarantee for the high-efficient quick construction of striding river bridge, and can guarantee that the bridge normally passes through, but the technical problem that still need solve through rational configuration construction order realization in the construction: how to guarantee the stability of the supporting foundation structure of the gantry crane in the river channel with water flow to guarantee the operation safety and precision of the gantry crane, and further improve the construction precision and the construction safety of the river-crossing bridge.
SUMMERY OF THE UTILITY MODEL
The invention of the utility model aims to: when crossing river bridge construction to adopting the portal crane, how guarantee the stability of the support foundation structure of portal crane in the river course that has rivers, in order to guarantee the security of portal crane operation and the technical problem of precision, a support foundation structure for crossing the portal crane of river bridge construction is provided, this structure is through setting up in interim landing stage support column the place ahead and keeping off a class structure, the realization is shunted rivers, reduce rivers and wash away the foundation pile directly, guarantee the stability of portal crane support foundation, the accurate installation of foundation pile is realized to the positioner who deuterogamies foundation pile location installation, guarantee the security and the operation precision of portal crane operation.
In order to realize the purpose, the utility model discloses a technical scheme be:
the utility model provides a support foundation structure for crossing portal crane of river bridge construction, includes a plurality of interim landing stage support columns that set up in the portal crane below, every interim landing stage support column the place ahead all is equipped with and keeps off a class part, keep off class part and include the drainage vertical pile that arranges with the foundation pile roughly parallel, even there is the water conservancy diversion support between drainage vertical pile and the foundation pile, the water conservancy diversion support includes multiunit reposition of redundant personnel transverse connection frame, every group reposition of redundant personnel transverse connection frame includes two transverse connection poles, and two transverse connection pole tip links to each other with two adjacent foundation piles respectively, make every reposition of redundant personnel transverse connection frame of group form V-arrangement structure, still including the positioner who is used for foundation pile location installation.
According to the supporting foundation structure of the gantry crane for the river-crossing bridge construction, the flow blocking structure is arranged in front of the temporary trestle support column, the drainage vertical pile is arranged in front of the foundation pile, the flow guide support is arranged between the drainage vertical pile and the foundation pile, the diversion transverse connecting frame is utilized to form the V-shaped structure, water flow diversion is realized after the diversion transverse connecting frame is arranged corresponding to the water flow direction, direct washing of the foundation pile by water flow is reduced, the stability of the foundation pile is ensured, the sliding precision of the gantry crane is ensured, and the construction precision of the river-crossing bridge is improved; the positioner who cooperates foundation pile location installation again realizes the accurate installation of foundation pile, provides the guarantee for interim landing stage support column accurate installation in the river course that has rivers, ensures the security and the running accuracy of portal crane operation.
As the utility model discloses an optimal scheme, every interim landing stage support column includes four foundation piles to be equipped with the support column transverse connection frame of connecting four foundation piles, and be equipped with a plurality of parallel arrangement's support column transverse connection frame on every foundation pile of group, reposition of redundant personnel transverse connection frame corresponds the setting with support column transverse connection frame, constitutes the triangle-shaped structure. A triangular structure is formed by the shunting transverse connecting frame and one supporting rod in the supporting column transverse connecting frame, and the stability of the flow blocking structure is favorably kept.
As the utility model discloses a preferred scheme all links between two adjacent reposition of redundant personnel transverse connection framves and has the reposition of redundant personnel to connect the down tube. The diversion connection inclined rod is arranged to reinforce the whole diversion support, so that the structural stability of the diversion support is improved, and the diversion support is suitable for long-term washing of water flow in a river channel.
As the utility model discloses an optimal scheme even has the foundation pile to connect the down tube between two adjacent support column transverse connection framves.
As the utility model discloses an optimal scheme, be equipped with the water conservancy diversion on the water conservancy diversion support and dash and brush the board, the water conservancy diversion is dashed and is brushed the board and link to each other with a plurality of reposition of redundant personnel transverse connection framves, becomes the V-arrangement structure. The water conservancy diversion washing board of laminating on the water conservancy diversion support forms V-arrangement structure to correspond with the rivers direction, can shunt rivers, reduce rivers and directly erode interim landing stage support column, realize the effect of keeping off a class.
As the utility model discloses an optimal scheme, the water conservancy diversion erodees the board setting and is leaning on the position on drainage vertical pile upper portion, makes the water conservancy diversion erode the board highly roughly the same with the daily water level in river course, the highest height that the water conservancy diversion erodees the board roughly the same with the biggest flood water level in river course. The lowest end of the scouring plate is the same as the daily water level of the river, and the highest end of the scouring plate corresponds to the maximum flood water level of the river, so that the scouring plate can resist the abnormal situation of the flood of the river and strengthen the flow blocking function.
As the utility model discloses an optimal scheme, still even there is lower location connection crossbearer between drainage vertical pile and the interim landing stage support column, the location connection crossbearer is located all reposition of redundant personnel transverse connection frame below down. The whole flow blocking structure is reinforced by the lower positioning connecting cross frame.
As the utility model discloses an optimal scheme, positioner includes foundation pile locating support, foundation pile locating support is equipped with the same support foundation pile locating hole of foundation pile quantity with single interim landing stage support column.
This positioner corresponds with the foundation pile of single interim landing stage support column and sets up foundation pile locating support, every foundation pile locating support is equipped with the support foundation pile locating hole the same with the foundation pile quantity of single interim landing stage support column, and the hole center distance of support foundation pile locating hole is the same with the pile center distance of the foundation pile of single interim landing stage support column, and then utilize foundation pile locating support can the accurate mounted position of single interim landing stage foundation pile of accurate positioning, after underwater concrete placement accomplishes, make the accurate location of foundation pile lower part sink the installation, let the construction of whole interim landing stage foundation pile all go on the basis of accurate location, so can guarantee the mounting accuracy of interim landing stage, provide accurate slip track for the portal crane, ensure the construction of crossing river bridge.
As the utility model discloses an optimal scheme, foundation pile locating support includes two support transverse orientation roof beams that are parallel to each other and two support longitudinal orientation roof beams that are parallel to each other, constitutes the frame construction of rectangle, still is equipped with many support longitudinal centre roof beams between two support transverse orientation roof beams, and every two vertical centre roof beams of support constitute a set of locating rack, and be equipped with the support locating plate on the locating rack, have seted up support foundation pile locating hole on the support locating plate. The rectangular frame structure composed of the two support transverse positioning beams and the two support longitudinal positioning beams is provided with a plurality of groups of positioning frames and positioning plates, and the positioning plates are provided with support foundation pile positioning holes, so that the number and the hole center distance of the support foundation pile positioning holes matched with the foundation piles of a single temporary trestle support column can be designed as required.
As the utility model discloses an optimal scheme is equipped with support location pull rod assembly between support longitudinal register roof beam and rather than adjacent locating rack, also is equipped with support location pull rod assembly between adjacent two sets of locating racks.
As the preferred scheme of the utility model, support location pull rod subassembly includes two cross arrangement's support location pull rod.
As the preferred proposal of the utility model, a plurality of support fixing connecting sheets are arranged on the support transverse positioning beam. The support fixing connecting sheet arranged on the support transverse positioning beam is convenient for connecting the whole positioning device with the pile casing, so that the positioning construction of the foundation pile of the temporary trestle is realized.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. according to the structure, the flow blocking structure is arranged in front of the temporary trestle support column, so that water flow shunting is realized, direct scouring of water flow to a foundation pile is reduced, the stability of a support foundation of the gantry crane is ensured, the positioning device for positioning and mounting the foundation pile is matched to realize accurate mounting of the foundation pile, and the safety and the operation precision of the operation of the gantry crane are ensured;
2. the diversion transverse connecting frame and one support rod in the support column transverse connecting frame form a triangular structure, so that the stability of the flow blocking structure is favorably kept; the diversion flushing plate is attached to the diversion bracket to form a V-shaped structure, corresponds to the water flow direction, can divide the water flow, reduces the direct flushing of the temporary trestle support column by the water flow, and realizes the flow blocking effect;
3. the positioning device is provided with a foundation pile positioning support corresponding to a foundation pile of a single temporary trestle support column, the foundation pile positioning support can be used for accurately positioning the mounting position of a single temporary trestle foundation pile, after underwater concrete pouring is finished, the lower part of the foundation pile is accurately positioned and sunk for mounting, and the construction of the whole temporary trestle foundation pile is carried out on the basis of accurate positioning, so that the mounting accuracy of the temporary trestle can be ensured, an accurate sliding track is provided for a gantry crane, and the construction of a river-crossing bridge is ensured;
4. the rectangular frame structure composed of the two support transverse positioning beams and the two support longitudinal positioning beams is provided with a plurality of groups of positioning frames and positioning plates, and the positioning plates are provided with support foundation pile positioning holes, so that the number and the hole center distance of the support foundation pile positioning holes matched with the foundation piles of a single temporary trestle support column can be designed as required.
Drawings
Fig. 1 is the utility model discloses a support foundation structure's of portal crane for crossing river bridge construction schematic diagram.
Fig. 2 is a schematic structural view of a flow blocking member of the foundation pile in the embodiment.
Fig. 3 is a perspective view of a flow blocking member of an embodiment of a foundation pile.
Fig. 4 is a schematic view of a flow blocking member of a foundation pile with a deflector wash plate according to an embodiment.
Fig. 5 is a schematic structural diagram of a positioning device for improving the installation accuracy of a foundation pile in the embodiment.
Fig. 6 is a right side view of fig. 5.
The labels in the figure are: 1-gantry crane gantry, 2-hanging device, 3-river-crossing bridge body, 4-gantry support legs, 5-box beam, 6-temporary trestle support pile, 7-concrete base layer, 8-box beam cushion block, 9-support column transverse connecting frame, 10-foundation pile diagonal draw bar, 11-diversion transverse connecting frame, 12-drainage vertical pile, 13-diversion connecting inclined rod, 14-diversion flushing plate, 15-lower positioning connecting transverse frame, 16-foundation pile positioning frame, 1601-bracket transverse positioning beam, 1602-bracket longitudinal positioning beam, 1603-bracket transverse middle beam, 1604-bracket longitudinal middle beam, 1605-bracket positioning pull rod, 1606-bracket retention connecting sheet, 1607-bracket foundation pile positioning hole and 1608-bracket positioning plate.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Example 1
As shown in fig. 1 to 6, this embodiment is used for supporting foundation structure of portal crane of river-crossing bridge construction, include a plurality of interim landing stage support columns 6 that set up in portal crane portal 1 below, every interim landing stage support column 6 the place ahead all is equipped with and keeps off a class part, it includes drainage vertical pile 12 with the roughly parallel arrangement of foundation pile to keep off a class part, even there is the water conservancy diversion support between drainage vertical pile 12 and the foundation pile, the water conservancy diversion support includes multiunit reposition of redundant personnel transverse connection frame 11, every group reposition of redundant personnel transverse connection frame 11 includes two transverse connection poles, and two transverse connection pole tip links to each other with two adjacent foundation piles respectively, makes every reposition of redundant personnel transverse connection frame 11 of group form the V-arrangement structure, still includes the positioner who is used for foundation pile location installation.
According to the supporting foundation structure of the gantry crane for the river-crossing bridge construction, the flow blocking structure is arranged in front of the temporary trestle support column, the drainage vertical pile is arranged in front of the foundation pile, the flow guide support is arranged between the drainage vertical pile and the foundation pile, the diversion transverse connecting frame is utilized to form the V-shaped structure, water flow diversion is realized after the diversion transverse connecting frame is arranged corresponding to the water flow direction, direct washing of the foundation pile by water flow is reduced, the stability of the foundation pile is ensured, the sliding precision of the gantry crane is ensured, and the construction precision of the river-crossing bridge is improved; the positioner who cooperates foundation pile location installation again realizes the accurate installation of foundation pile, provides the guarantee for interim landing stage support column accurate installation in the river course that has rivers, ensures the security and the running accuracy of portal crane operation.
Example 2
As shown in fig. 1 to 6, according to the supporting foundation structure of the gantry crane for river-crossing bridge construction according to embodiment 1, each of the temporary trestle supporting columns 6 of this embodiment includes four foundation piles, and is provided with the supporting column transverse connecting frames 9 for connecting the four foundation piles, and each group of foundation piles is provided with the supporting column transverse connecting frames 9 arranged in parallel, and the diversion transverse connecting frames 11 and the supporting column transverse connecting frames 9 are correspondingly arranged to form a triangular structure. A triangular structure is formed by the shunting transverse connecting frame and one supporting rod in the supporting column transverse connecting frame, and the stability of the flow blocking structure is favorably kept.
Example 3
As shown in fig. 1 to 6, according to the supporting foundation structure of the gantry crane for the river-crossing bridge construction described in embodiment 1 or embodiment 2, a diversion connection diagonal bar 13 is connected between two adjacent diversion transverse connection frames 11 in this embodiment. The diversion connection inclined rod is arranged to reinforce the whole diversion support, so that the structural stability of the diversion support is improved, and the diversion support is suitable for long-term washing of water flow in a river channel.
Further, a foundation pile connecting inclined rod 10 is connected between every two adjacent supporting column transverse connecting frames 9.
In this embodiment, as shown in fig. 4, a flow guiding flushing plate 14 is disposed on the flow guiding support, and the flow guiding flushing plate 14 is connected to the plurality of shunting transverse connecting frames 11 to form a V-shaped structure. The water conservancy diversion washing board of laminating on the water conservancy diversion support forms V-arrangement structure to correspond with the rivers direction, can shunt rivers, reduce rivers and directly erode interim landing stage support column, realize the effect of keeping off a class.
Further, the diversion flushing plate 14 is arranged at a position close to the upper part of the diversion vertical pile 12, so that the height of the lowest end of the diversion flushing plate 14 is approximately the same as the daily water level of the river channel, and the height of the highest of the diversion flushing plate 14 is approximately the same as the maximum flood water level of the river channel. The lowest end of the scouring plate is the same as the daily water level of the river, and the highest end of the scouring plate corresponds to the maximum flood water level of the river, so that the scouring plate can resist the abnormal situation of the flood of the river and strengthen the flow blocking function.
Furthermore, a lower positioning connecting cross frame 15 is connected between the drainage vertical pile 12 and the temporary trestle support column 6, and the lower positioning connecting cross frame 15 is positioned below all the shunting transverse connecting frames 11. The whole flow blocking structure is reinforced by the lower positioning connecting cross frame.
Example 4
As shown in fig. 1 to 6, according to the supporting foundation structure of the gantry crane for the river-crossing bridge construction according to one of embodiments 1 to 3, the positioning device of this embodiment includes a foundation pile positioning bracket 16, and the foundation pile positioning bracket 16 is provided with the same number of bracket foundation pile positioning holes 1607 as that of the foundation piles of the single temporary trestle supporting column 6.
The positioner of this embodiment corresponds with the foundation pile of single interim landing stage support column and sets up foundation pile locating support, every foundation pile locating support is equipped with the support foundation pile locating hole the same with the foundation pile quantity of single interim landing stage support column, and the hole heart of support foundation pile locating hole is apart from the same with the pile heart of the foundation pile of single interim landing stage support column, and then utilize foundation pile locating support can the accurate mounted position of single interim landing stage foundation pile, after underwater concrete placement accomplishes, make the accurate location of foundation pile lower part sink the installation, let the construction of whole interim landing stage foundation pile all go on the basis of accurate location, so can guarantee the mounting accuracy of interim landing stage, provide accurate slip track for the portal crane, ensure the construction of crossing river bridge.
In this embodiment, the foundation pile positioning bracket 16 includes two bracket transverse positioning beams 1601 that are parallel to each other and two bracket longitudinal positioning beams 1602 that are parallel to each other, and constitutes a rectangular frame structure, and still be equipped with many bracket longitudinal centre sills 1604 between two bracket transverse positioning beams 1601, every two bracket longitudinal centre sills 1604 constitute a set of locating rack, and be equipped with the bracket positioning plate 1608 on the locating rack, have seted up the bracket foundation pile positioning hole 1607 on the bracket positioning plate 1608. The rectangular frame structure composed of the two support transverse positioning beams and the two support longitudinal positioning beams is provided with a plurality of groups of positioning frames and positioning plates, and the positioning plates are provided with support foundation pile positioning holes, so that the number and the hole center distance of the support foundation pile positioning holes matched with the foundation piles of a single temporary trestle support column can be designed as required.
As shown in fig. 5, two bracket transverse intermediate beams 1603 are further provided between two bracket longitudinal intermediate beams 1604 forming the positioning frame, and a bracket positioning plate 1608 and a bracket foundation pile positioning hole 1607 are provided between the bracket transverse intermediate beams 1603 and the bracket transverse positioning beams 1601.
Further, a bracket positioning pull rod assembly is arranged between the bracket longitudinal positioning beam 1602 and the positioning frame adjacent to the bracket longitudinal positioning beam, and a bracket positioning pull rod assembly is also arranged between two adjacent positioning frames.
Further, the bracket tie rod assembly includes two bracket tie rods 1605 arranged in a cross.
Further, a plurality of support retention connecting pieces 1606 are arranged on the support transverse positioning beam 1601. The support fixing connecting sheet arranged on the support transverse positioning beam is convenient for connecting the whole positioning device with the pile casing, so that the positioning construction of the foundation pile of the temporary trestle is realized.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a support foundation structure for portal crane of river-crossing bridge construction, a serial communication port, include a plurality of interim landing stage support columns that set up in the portal crane below, every interim landing stage support column the place ahead all is equipped with and keeps off a class part, keep off class part include with foundation pile parallel arrangement's drainage vertical pile, even there is the water conservancy diversion support between drainage vertical pile and the foundation pile, the water conservancy diversion support includes multiunit reposition of redundant personnel transverse connection frame, every group reposition of redundant personnel transverse connection frame includes two transverse connection poles, and two transverse connection pole tip links to each other with two adjacent foundation piles respectively, make every reposition of redundant personnel transverse connection frame of group form V-arrangement structure, still including the positioner who is used for foundation pile location installation.
2. The supporting foundation structure of a gantry crane for river-crossing bridge construction as claimed in claim 1, wherein each temporary trestle supporting column comprises four foundation piles, supporting column transverse connecting frames for connecting the four foundation piles are provided, a plurality of supporting column transverse connecting frames arranged in parallel are provided on each group of foundation piles, and the diversion transverse connecting frames and the supporting column transverse connecting frames are correspondingly arranged to form a triangular structure.
3. The support foundation structure of the gantry crane for the cross-river bridge construction according to claim 1, wherein the diversion bracket is provided with a diversion scouring plate, and the diversion scouring plate is connected with the plurality of diversion transverse connecting frames to form a V-shaped structure.
4. The support foundation structure of a gantry crane for river-crossing bridge construction according to claim 3, wherein the diversion scouring plates are arranged near the upper parts of the diversion vertical piles, so that the heights of the lowest ends of the diversion scouring plates are the same as the daily water level of the river channel, and the heights of the highest diversion scouring plates are the same as the maximum flood level of the river channel.
5. The supporting foundation structure of a gantry crane for river-crossing bridge construction according to any one of claims 1 to 4, wherein a lower positioning connecting cross frame is further connected between the drainage vertical piles and the temporary trestle supporting columns, and the lower positioning connecting cross frame is positioned below all the diversion cross connecting frames.
6. A support foundation structure of a gantry crane for river-crossing bridge construction according to claim 5, wherein the positioning device comprises a foundation pile positioning bracket provided with bracket foundation pile positioning holes in the same number as the foundation piles of a single temporary trestle support column.
7. The supporting foundation structure of a gantry crane for river-crossing bridge construction according to claim 6, wherein the foundation pile positioning support comprises two support transverse positioning beams which are parallel to each other and two support longitudinal positioning beams which are parallel to each other to form a rectangular frame structure, a plurality of support longitudinal intermediate beams are further arranged between the two support transverse positioning beams, each two support longitudinal intermediate beams form a group of positioning frames, the positioning frames are provided with support positioning plates, and the support positioning plates are provided with support foundation pile positioning holes.
8. A supporting foundation structure of a gantry crane for river-crossing bridge construction according to claim 7, wherein a bracket positioning pull rod assembly is arranged between the bracket longitudinal positioning beam and the positioning frame adjacent to the bracket longitudinal positioning beam, and a bracket positioning pull rod assembly is also arranged between two adjacent groups of positioning frames.
9. The support infrastructure of a gantry crane for construction of a river-crossing bridge as claimed in claim 8, wherein the brace positioning drawbar assembly comprises two brace positioning drawbar arrangements in a cross.
10. A support substructure for a gantry crane for construction of a river-crossing bridge as claimed in claim 9, wherein a plurality of support retention tabs are provided on said support transverse positioning beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022741927.4U CN214363593U (en) | 2020-11-24 | 2020-11-24 | Supporting foundation structure of gantry crane for river-crossing bridge construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022741927.4U CN214363593U (en) | 2020-11-24 | 2020-11-24 | Supporting foundation structure of gantry crane for river-crossing bridge construction |
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| Publication Number | Publication Date |
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| CN214363593U true CN214363593U (en) | 2021-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022741927.4U Active CN214363593U (en) | 2020-11-24 | 2020-11-24 | Supporting foundation structure of gantry crane for river-crossing bridge construction |
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| Country | Link |
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| CN (1) | CN214363593U (en) |
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