CN213326416U - Positioning device for improving installation precision of river-crossing gantry crane foundation pile - Google Patents
Positioning device for improving installation precision of river-crossing gantry crane foundation pile Download PDFInfo
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- CN213326416U CN213326416U CN202022004394.1U CN202022004394U CN213326416U CN 213326416 U CN213326416 U CN 213326416U CN 202022004394 U CN202022004394 U CN 202022004394U CN 213326416 U CN213326416 U CN 213326416U
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Abstract
The utility model relates to the field of road and bridge construction, in particular to a positioning device for improving the installation accuracy of a river-crossing gantry crane foundation pile, which comprises a foundation pile first positioning support and a foundation pile second positioning support, wherein each foundation pile first positioning support is provided with first support foundation pile positioning holes with the same number as that of foundation piles of a single temporary trestle support column, and a plurality of first support foundation pile positioning holes are arranged corresponding to the foundation piles of the single temporary trestle support column; the foundation pile second positioning support is of a long strip-shaped structure, a plurality of second support foundation pile positioning holes which are arranged in a row are formed in the foundation pile second positioning support, and the plurality of second support foundation pile positioning holes are arranged corresponding to foundation piles of a plurality of temporary trestle support columns which are arranged in a row. This positioner lets the construction of whole interim landing stage foundation pile all go on the basis of accurate location, can guarantee the installation accuracy of interim landing stage, provides accurate slip track for the portal crane, and the construction that the river bridge was striden in the guarantee is under construction.
Description
Technical Field
The utility model relates to a road bridge construction technology, especially a positioner for improving river portal crane foundation pile installation accuracy strides.
Background
The river bridge construction is still to the difficult problem that needs to overcome to modern road bridge construction, needs to carry out the bridge floor at present river bridge of striding and widen or maintain the construction, to the great occasion of river course width, adopts traditional construction means, hardly accomplishes the construction in the short time, and when carrying out the construction on the basis of current bridge, need guarantee that the bridge floor normally passes, has increased the construction degree of difficulty more.
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.
Due to the particularity of engineering, the gantry crane and the auxiliary structure thereof have large weight and have higher requirements on the sliding track, so the requirement on the installation precision of the temporary trestle support column supporting the sliding track is correspondingly higher. Each temporary trestle support column is a structure formed by connecting four foundation piles into a whole, after underwater concrete pouring is finished, the lower part of each foundation pile needs to be accurately positioned and installed in an underwater concrete base layer 7, and how to realize high-precision positioning and installation of the foundation piles in a river channel with water flow becomes a difficult point needing to be solved in the construction link.
SUMMERY OF THE UTILITY MODEL
The invention of the utility model aims to: to adopting the portal crane to stride river bridge construction, need to set up the interim landing stage of portal crane slip track in the both sides installation of crossing river bridge, face in the river course that has rivers, how to realize the technical problem of interim landing stage foundation column high accuracy location installation, a positioner for improving river-crossing portal crane foundation pile installation accuracy is provided, this positioner lets the construction of whole interim landing stage foundation pile all go on the basis of accurate location, can guarantee the installation accuracy of interim landing stage, provide accurate slip track for the portal crane, the construction that the river bridge was striden in the guarantee.
In order to realize the purpose, the utility model discloses a technical scheme be:
the positioning device for improving the installation accuracy of the foundation piles of the river-crossing gantry crane comprises a first foundation pile positioning support and a second foundation pile positioning support, wherein each first foundation pile positioning support is provided with first support foundation pile positioning holes with the same number as that of the foundation piles of a single temporary trestle support column, and a plurality of first support foundation pile positioning holes are arranged corresponding to the foundation piles of the single temporary trestle support column;
the second positioning support of the foundation pile is of a long strip-shaped structure, a plurality of second support foundation pile positioning holes which are arranged in a row are arranged on the second positioning support of the foundation pile, and the plurality of second support foundation pile positioning holes are arranged corresponding to the foundation piles of the plurality of temporary trestle support columns which are arranged in a row.
The positioning device is provided with a first foundation pile positioning support corresponding to a foundation pile of a single temporary trestle support column, each first foundation pile positioning support is provided with first support foundation pile positioning holes with the same number as that of the foundation piles of the single temporary trestle support column, the hole center distance of the first support foundation pile positioning holes is the same as that of the foundation piles of the single temporary trestle support column, the mounting position of the single temporary trestle foundation pile can be accurately positioned by using the first foundation pile positioning support, and after underwater concrete pouring is finished, the lower part of the foundation pile is accurately positioned and sunk for mounting; and rectangular shape frame construction's foundation pile second locating support sets up the second support foundation pile locating hole that a plurality of become row and arrange, can let the foundation pile of a plurality of interim trestles be fixed a position, and then let the construction of whole interim trestle foundation pile all go on the basis of accurate location, so can guarantee the installation accuracy of interim trestle, provide accurate slip track for the portal crane, the construction that the river bridge was striden in the guarantee.
As the utility model discloses an optimal scheme, the first locating support of foundation pile includes two first support transverse orientation roof beams that are parallel to each other and two first support longitudinal orientation roof beams that are parallel to each other, constitutes the frame construction of rectangle, still is equipped with many first vertical centre sills of support between two first support transverse orientation roof beams, and a set of locating rack is constituteed to per two vertical centre sills of first support, and is equipped with first support locating plate on the locating rack, has seted up first support foundation pile locating hole on first support locating plate. The rectangular frame structure formed by the two first support transverse positioning beams and the two first support longitudinal positioning beams is provided with a plurality of groups of positioning frames and positioning plates, and the positioning plates are provided with first support foundation pile positioning holes, so that the number and the hole center distance of the first 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 two first support foundation pile locating holes on every group locating rack.
As the utility model discloses an optimal selection scheme is equipped with first support location pull rod assembly between first support longitudinal direction location roof beam and rather than adjacent locating rack, also is equipped with first support location pull rod assembly between adjacent two sets of locating racks.
As the preferred aspect of the present invention, the first support positioning pull rod assembly includes two first support positioning pull rods arranged in a cross manner.
As a preferred embodiment of the present invention, the first lateral positioning beam is provided with a plurality of first support retention connection pieces. The first support fixing connecting sheet arranged on the first 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.
As the utility model discloses an optimal scheme, foundation pile second locating support includes two second support transverse orientation roof beams that are parallel to each other, is equipped with many second support longitudinal orientation roof beams between two second support transverse orientation roof beams, constitutes the frame construction of rectangle.
As the utility model discloses an optimal scheme, be equipped with second support locating plate for a set of locating rack, and every group locating rack for two second support longitudinal positioning roof beams that are located the frame middle part to second support foundation pile locating holes have been seted up on second support locating plate.
As the utility model discloses an optimal selection scheme is equipped with second support location pull rod assembly between adjacent two sets of locating racks, also is equipped with second support location pull rod assembly between the second support longitudinal register roof beam at the locating rack at edge and frame.
As a preferred embodiment of the present invention, the second bracket transverse positioning beam is provided with a plurality of second bracket fixing connection pieces. The second support fixing connecting sheet arranged on the second support transverse positioning beam is convenient for connecting the whole positioning device with a pile casing or other positioning devices, and is convenient for positioning construction of foundation piles of the temporary trestle.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the positioning device is provided with a first foundation pile positioning support corresponding to a foundation pile of a single temporary trestle support column and a second foundation pile positioning support of a long-strip-shaped frame structure, so that the foundation piles of a plurality of temporary trestle support columns can be positioned simultaneously when the foundation piles of the single temporary trestle support column are installed, further, the construction of the whole temporary trestle foundation pile is carried out on the basis of accurate positioning, the installation 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;
2. the method comprises the following steps that a rectangular frame structure consisting of two first support transverse positioning beams and two first support longitudinal positioning beams is provided with a plurality of groups of positioning frames and positioning plates, first support foundation pile positioning holes are formed in the positioning plates, and the number and the center distance of the first support foundation pile positioning holes matched with foundation piles of a single temporary trestle support column can be designed according to needs; the second positioning bracket of the foundation pile has a similar function with the first positioning bracket of the foundation pile;
3. the first support fixing connecting sheet is arranged on the first support transverse positioning beam, so that the whole positioning device is conveniently connected with the pile casing, and the positioning construction of the foundation pile of the temporary trestle is realized; the second support fixing connecting sheet arranged on the second support transverse positioning beam also has the technical effect of facilitating the positioning of the second positioning support of the whole foundation pile.
Drawings
Fig. 1 is a schematic structural diagram of a gantry crane for river-crossing bridge construction.
Fig. 2 is a schematic structural diagram of a first positioning bracket of a foundation pile of the positioning device for improving the installation accuracy of the foundation pile of the river-crossing gantry crane in the embodiment.
Fig. 3 is a right side view of fig. 2.
Fig. 4 is a schematic structural diagram of a second positioning bracket of a foundation pile of the positioning device for improving the installation accuracy of the foundation pile of the river-crossing gantry crane in the embodiment.
Fig. 5 is a right side view of fig. 4.
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, 8-foundation pile first positioning bracket, 801-first bracket transverse positioning beam, 802-first bracket longitudinal positioning beam, 803-first bracket transverse intermediate beam, 804-first bracket longitudinal intermediate beam, 805-first bracket positioning pull rod, 806-first bracket positioning connecting sheet, first bracket foundation pile positioning hole, 808-first bracket positioning plate, 9-foundation pile second positioning bracket, 901-second bracket transverse positioning beam, 902-second bracket longitudinal positioning beam, 903-second bracket positioning pull rod, 904-second bracket foundation pile positioning hole, 905-second support retention connecting sheet, 906-second support 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 5, the positioning device for improving the installation accuracy of foundation piles of a river-crossing gantry crane in this embodiment includes a first foundation pile positioning bracket 8 and a second foundation pile positioning bracket 9, each first foundation pile positioning bracket 8 is provided with a first bracket foundation pile positioning hole 807, the number of which is the same as that of foundation piles of a single temporary trestle support column 6, and a plurality of first bracket foundation pile positioning holes 807 are arranged corresponding to the foundation piles of the single temporary trestle support column; the second positioning bracket 9 of the foundation pile is a strip-shaped structure, a plurality of second bracket foundation pile positioning holes 904 arranged in a row are arranged on the second positioning bracket 9 of the foundation pile, and the plurality of second bracket foundation pile positioning holes 904 are arranged corresponding to the foundation piles of the plurality of temporary trestle support columns arranged in a row.
The positioning device of the embodiment is provided with first foundation pile positioning supports corresponding to foundation piles of a single temporary trestle support column, each first foundation pile positioning support is provided with first support foundation pile positioning holes with the same number as the foundation piles of the single temporary trestle support column, the hole center distance of the first support foundation pile positioning holes is the same as the pile center distance of the foundation piles of the single temporary trestle support column, the mounting position of the single temporary trestle foundation pile can be accurately positioned by using the first foundation pile positioning supports, and after underwater concrete pouring is finished, the lower part of the foundation pile is accurately positioned and sunk for mounting; and rectangular shape frame construction's foundation pile second locating support sets up the second support foundation pile locating hole that a plurality of become row and arrange, can let the foundation pile of a plurality of interim trestles be fixed a position, and then let the construction of whole interim trestle foundation pile all go on the basis of accurate location, so can guarantee the installation accuracy of interim trestle, provide accurate slip track for the portal crane, the construction that the river bridge was striden in the guarantee.
Example 2
As shown in fig. 1 to 5, according to the positioning device for improving the installation accuracy of a foundation pile of a river-crossing gantry crane described in embodiment 1, a first positioning bracket 8 of a foundation pile of this embodiment includes two first bracket transverse positioning beams 801 parallel to each other and two first bracket longitudinal positioning beams 802 parallel to each other, forming a rectangular frame structure, a plurality of first bracket longitudinal intermediate beams 804 are further disposed between the two first bracket transverse positioning beams 801, each two first bracket longitudinal intermediate beams 804 form a group of positioning brackets, a first bracket positioning plate 808 is disposed on each positioning bracket, and a first bracket foundation pile positioning hole 807 is disposed on each first bracket positioning plate 808. The rectangular frame structure formed by the two first support transverse positioning beams and the two first support longitudinal positioning beams is provided with a plurality of groups of positioning frames and positioning plates, and the positioning plates are provided with first support foundation pile positioning holes, so that the number and the hole center distance of the first 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. 2, two positioning frames are disposed on the first positioning bracket 8 of the foundation pile of this embodiment, each positioning frame is provided with two first bracket positioning plates 808 and two first bracket positioning holes 807, and each positioning frame is further provided with a first bracket transverse middle beam 803 for supporting the first bracket positioning plate 808.
Further, a first support positioning pull rod assembly is arranged between the first support longitudinal positioning beam 802 and the positioning frames adjacent to the first support longitudinal positioning beam 802, and a first support positioning pull rod assembly is also arranged between the two adjacent positioning frames.
Still further, the first brace positioning tie rod assembly includes two first brace positioning tie rods 805 arranged in a cross.
In this embodiment, the first bracket transverse positioning beam 801 is provided with a plurality of first bracket retention tabs 806. The first support fixing connecting sheet arranged on the first 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.
Example 3
As shown in fig. 1 to 5, according to the positioning device for improving the installation accuracy of the foundation pile of the river-crossing gantry crane described in embodiment 1 or embodiment 2, the second positioning bracket 9 of the foundation pile of this embodiment includes two second bracket transverse positioning beams 901 that are parallel to each other, and a plurality of second bracket longitudinal positioning beams 902 are disposed between the two second bracket transverse positioning beams 901 to form a rectangular frame structure.
Further, the two second support longitudinal positioning beams 902 located in the middle of the frame are a set of positioning frames, each set of positioning frames is provided with a second support positioning plate 906, and the second support positioning plates 906 are provided with second support foundation pile positioning holes 904.
Furthermore, a second bracket positioning pull rod assembly is arranged between two adjacent positioning frames, and a second bracket positioning pull rod assembly is also arranged between the positioning frame at the edge and the second bracket longitudinal positioning beam 902 of the frame.
Furthermore, the second bracket positioning rod assembly includes two second bracket positioning rods 903 arranged in a crossing manner, and the second bracket positioning rods 903 of this embodiment are steel bars.
In this embodiment, a plurality of second bracket retaining connection pieces 905 are arranged on the second bracket transverse positioning beam 901. The second support fixing connecting sheet arranged on the second support transverse positioning beam is convenient for connecting the whole positioning device with a pile casing or other positioning devices, and is convenient for positioning construction of foundation piles of the temporary trestle.
Example 4
As shown in fig. 1 to 5, according to the positioning device for improving the installation accuracy of the foundation pile of the portal crane across the river according to embodiment 2 or embodiment 3, the first bracket transverse positioning beam 801, the first bracket longitudinal positioning beam 802, the first bracket transverse intermediate beam 803, the first bracket longitudinal intermediate beam 804, the second bracket transverse positioning beam 901 and the second bracket longitudinal positioning beam 902 are all made of i-steel.
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 (9)
1. The positioning device for improving the installation accuracy of the foundation piles of the river-crossing gantry crane is characterized by comprising a first foundation pile positioning support and a second foundation pile positioning support, wherein each first foundation pile positioning support is provided with first support foundation pile positioning holes with the same number as that of the foundation piles of a single temporary trestle support column, and the first support foundation pile positioning holes are correspondingly arranged with the foundation piles of the single temporary trestle support column;
the second positioning support of the foundation pile is of a long strip-shaped structure, a plurality of second support foundation pile positioning holes which are arranged in a row are arranged on the second positioning support of the foundation pile, and the plurality of second support foundation pile positioning holes are arranged corresponding to the foundation piles of the plurality of temporary trestle support columns which are arranged in a row.
2. The positioning device for improving the installation accuracy of the foundation piles of the river-crossing portal crane according to claim 1, wherein the foundation pile first positioning support comprises two first support transverse positioning beams which are parallel to each other and two first support longitudinal positioning beams which are parallel to each other to form a rectangular frame structure, a plurality of first support longitudinal middle beams are further arranged between the two first support transverse positioning beams, each two first support longitudinal middle beams form a group of positioning frames, the positioning frames are provided with first support positioning plates, and the first support foundation pile positioning holes are formed in the first support positioning plates.
3. The positioning device for improving the installation accuracy of the foundation pile of the river-crossing portal crane according to claim 2, wherein a first support positioning pull rod assembly is arranged between the first support longitudinal positioning beam and the positioning frame adjacent to the first support longitudinal positioning beam, and a first support positioning pull rod assembly is also arranged between two adjacent groups of positioning frames.
4. The positioning device for improving the installation accuracy of the foundation pile of the river-crossing gantry crane according to claim 3, wherein the first bracket positioning pull rod assembly comprises two first bracket positioning pull rods which are arranged in a crossed manner.
5. The positioning device for improving the installation accuracy of the foundation pile of the river-crossing portal crane according to claim 4, wherein a plurality of first bracket fixing connecting sheets are arranged on the first bracket transverse positioning beam.
6. The positioning device for improving the installation accuracy of the foundation pile of the river-crossing gantry crane according to any one of claims 1 to 5, wherein the foundation pile second positioning bracket comprises two second bracket transverse positioning beams which are parallel to each other, and a plurality of second bracket longitudinal positioning beams are arranged between the two second bracket transverse positioning beams to form a rectangular frame structure.
7. The positioning device for improving the installation accuracy of the foundation piles of the river-crossing portal crane according to claim 6, wherein the two second support longitudinal positioning beams positioned in the middle of the frame are combined into a group to form a positioning frame, each group of positioning frame is provided with a second support positioning plate, and the second support positioning plate is provided with a second support foundation pile positioning hole.
8. The positioning device for improving the installation accuracy of the foundation pile of the river-crossing portal crane according to claim 7, wherein a second bracket positioning pull rod assembly is arranged between two adjacent sets of positioning frames, and a second bracket positioning pull rod assembly is also arranged between the positioning frame at the edge and the second bracket longitudinal positioning beam of the frame.
9. The positioning device for improving the installation accuracy of the foundation pile of the river-crossing gantry crane according to claim 8, wherein a plurality of second bracket retaining connecting pieces are arranged on the second bracket transverse positioning beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022004394.1U CN213326416U (en) | 2020-09-15 | 2020-09-15 | Positioning device for improving installation precision of river-crossing gantry crane foundation pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022004394.1U CN213326416U (en) | 2020-09-15 | 2020-09-15 | Positioning device for improving installation precision of river-crossing gantry crane foundation pile |
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| Publication Number | Publication Date |
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| CN213326416U true CN213326416U (en) | 2021-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022004394.1U Active CN213326416U (en) | 2020-09-15 | 2020-09-15 | Positioning device for improving installation precision of river-crossing gantry crane foundation pile |
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| CN (1) | CN213326416U (en) |
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- 2020-09-15 CN CN202022004394.1U patent/CN213326416U/en active Active
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