CN113774796A - Main arch support structure of overpass bridge and mounting method - Google Patents
Main arch support structure of overpass bridge and mounting method Download PDFInfo
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- CN113774796A CN113774796A CN202111001249.0A CN202111001249A CN113774796A CN 113774796 A CN113774796 A CN 113774796A CN 202111001249 A CN202111001249 A CN 202111001249A CN 113774796 A CN113774796 A CN 113774796A
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- 230000008878 coupling Effects 0.000 claims abstract description 6
- 238000010168 coupling process Methods 0.000 claims abstract description 6
- 238000005859 coupling reaction Methods 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 230000001174 ascending effect Effects 0.000 abstract 2
- 238000010276 construction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000009432 framing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
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- 239000002360 explosive Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
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Abstract
The utility model relates to a main arch support structure and installation method of overline bridge, including the support bottom plate, a plurality of stake and a plurality of support components of a whole that can function independently, the vertical setting of stake is on the top of support bottom plate, two stakes correspond a support components of a whole that can function independently, the top of two stakes and the bottom fixed connection of support components of a whole that can function independently, be equipped with two first oblique clamping bars between the adjacent support components of a whole that can function independently in same horizontal direction, two first oblique clamping bars cross arrangement, wear to be equipped with horizontal clamping column between the adjacent support components of a whole that can function independently in the same horizontal direction, be equipped with fastening components on the horizontal clamping column, be equipped with coupling assembling between the adjacent support components of a whole that can function independently in same vertical direction. This application has and builds the main hunch support according to the height of building of main hunch, and the horizontal clamp post passes through fastening components and makes the ascending support components of a whole that can function independently demountable installation of horizontal direction, and coupling assembling makes the ascending support components of a whole that can function independently demountable installation of vertical side to avoid main hunch support to influence the main hunch components of a whole that can function independently that the loop wheel machine will hoist and move the effect to installing main hunch components of a whole that can function independently department.
Description
Technical Field
The application relates to the field of overpass bridge buildings, in particular to a main arch support structure of an overpass bridge and an installation method.
Background
A overpass is a facility that crosses roads in an overpass manner, and is generally installed at a place where pedestrians, bicycles, and other vehicles cross expressways and first-level roads, especially at a place where traffic flow conflicts are severe, such as a station, a large commercial center, or other intersections. The overpass bridge is a bridge which spans traffic lines such as highways, railways or urban roads. Spanning over existing lines, and divided into split and inter-connected. The former only ensures that vehicles on the upper and lower layer lines pass independently; the latter can make the vehicles on the upper and lower layers of lines pass each other, and build complex roundabout ramps on the plane and the vertical surface, and occupy a lot of land.
The existing support construction method is the most common method for installing an arch body, and comprises a full framing method, a hoop type steel bailey combined framing method, a movable formwork method and the like. And selecting different construction methods according to different construction environments, bridge characteristics, economic safety and other factors.
In view of the above-mentioned related art, the inventor believes that the existing scaffold construction method has the following disadvantages: some main arches are installed by splicing a plurality of main arch split bodies which are poured in advance, and the existing support can influence the crane to splice the lifted main arch split bodies and the installed main arch split bodies.
Disclosure of Invention
In order to solve the problem that the existing support can influence the splicing of a lifted main arch split body and an installed main arch split body of a crane, the application provides a main arch support structure of a cross-line bridge and an installation method.
In a first aspect, the present application provides a main arch support of a overpass bridge, which adopts the following technical scheme:
the utility model provides a main hunch supporting structure of overline bridge, includes support bottom plate, a plurality of stake and a plurality of support components of a whole that can function independently, the vertical setting of stake is on the top of support bottom plate, two the stake corresponds a support components of a whole that can function independently, two the top of stake and the bottom fixed connection of support components of a whole that can function independently are adjacent on the same horizontal direction be equipped with two first oblique clamping bars, two between the support components of a whole that can function independently first oblique clamping bar cross arrangement, adjacent on the same horizontal direction wear to be equipped with the horizontal clamping post between the support components of a whole that can function independently, be equipped with fastening components on the horizontal clamping bar, adjacent on the same vertical direction be equipped with coupling assembling between the support components of a whole that can function independently.
By adopting the technical scheme, the main arch support is built according to the built height of the main arch, the horizontal clamping columns enable the support split bodies in the horizontal direction to be detachably mounted through the fastening assemblies, and the connecting assemblies enable the support split bodies in the vertical direction to be detachably mounted, so that the main arch support is prevented from influencing the main arch split bodies hoisted by the crane to move to the installed main arch split bodies.
Preferably, the support components of a whole that can function independently include two stands, two fixed being equipped with two oblique clamping bars of second between the stand, two the oblique clamping bar of second sets up alternately, two be equipped with the connecting plate between the stand, the top of stand lateral wall is located to the connecting plate.
By adopting the technical scheme, the support split bodies are poured in advance, and the stability of connection of the two stand columns is enhanced by the arrangement of the second inclined clamping rods, so that the main arch support formed by the support split bodies is safer.
Preferably, fastening components includes screw thread loop bar and sealing ring, the one end of horizontal clamp post is equipped with first threaded rod, and the other end is equipped with the screw hole, the pot head that horizontal clamp post was equipped with the screw hole is equipped with the spacing ring, be equipped with the through-hole on the stand, the horizontal clamp post passes the through-hole setting on the adjacent support components of a whole that can function independently, spacing ring and stand looks butt, the screw thread loop bar pass the through-hole and with first threaded rod threaded connection, be equipped with the second screw thread on the outer wall of screw thread loop bar, sealing ring and screw thread loop bar threaded connection.
Through adopting above-mentioned technical scheme, two adjacent support components of a whole that can function independently are connected through horizontal clamp post, and horizontal clamp post detachably passes the setting of support components of a whole that can function independently to make the quantity of horizontal direction support components of a whole that can function independently control according to actual conditions, the building of the main arch support of being convenient for.
Preferably, coupling assembling includes first go-between and second go-between, the top of stand is located to first go-between, the bottom of stand is located to the second go-between, the spacing groove has been seted up on the top of stand, the bottom mounting of stand is equipped with the stopper, stopper inlay card on the stand is at the spacing inslot of the adjacent stand of vertical direction, pass through bolt fixed connection between the second go-between of the first go-between on the stand and the adjacent stand of vertical direction.
By adopting the technical scheme, the two adjacent supports in the vertical direction are fixedly connected in a split manner through the bolts during installation, so that the height of the main arch support is lifted to the height convenient for building the main arch.
Preferably, be equipped with first spacing frame and the spacing frame of second on the stand, the top of stand lateral wall is located to first spacing frame, the bottom of stand lateral wall is located to the spacing frame of second, the one end of first down tube is equipped with the baffle, and the other end is equipped with the second threaded rod, first oblique clamping bar passes first spacing frame and the setting of the spacing frame of second, baffle and first spacing frame looks butt, threaded connection has the screw ring on the second threaded rod, screw ring and the spacing frame looks butt of second.
Through adopting above-mentioned technical scheme, the first slope pole of cross arrangement can improve main hunch support's steadiness and bearing capacity.
Preferably, the top of stand lateral wall is rotated and is equipped with first dwang, first dwang and first spacing frame fixed connection, the bottom of stand lateral wall is rotated and is equipped with the second dwang, second dwang and second spacing frame fixed connection.
By adopting the technical scheme, the inclination between two adjacent main arch split bodies in the horizontal direction of the main arch is different, so that the angles of the first limiting block and the second limiting frame can be adjusted according to the inclination between the main arch split bodies, and the two ends of the first inclined rod are connected with the corresponding support split bodies.
Preferably, the support bottom plate is provided with a mounting groove, the support bottom plate is provided with a plurality of first limiting plates and a plurality of first limiting plates, the first limiting plates are arranged along the circumferential direction of the mounting groove, the pile is clamped and embedded in the mounting groove, the outer side wall of the pile is provided with a plurality of second limiting plates, the first limiting plates correspond to the second limiting plates one to one, and the second limiting plates are fixedly connected with the first limiting plates through bolts.
Through adopting above-mentioned technical scheme, the support components of a whole that can function independently of bottom all can be dismantled and connect on the stake, and the stake can be avoided the not hard up unstability that causes the main arch support of stake with the fixed setting of support bottom plate.
Preferably, the connecting plate top is equipped with the backup pad, the both ends of backup pad all are equipped with the observation frame of fixing on the arch body, one side that the observation frame is close to the backup pad is equipped with the layer board, the observation frame bottom is located to the layer board, the top of two observation frames is located respectively at the both ends of backup pad, the bottom of layer board is equipped with the bracing piece, be equipped with the stop collar on the stand, the stop collar setting is worn into to the one end of bracing piece.
Through adopting above-mentioned technical scheme, the setting of backup pad is convenient for install the support components of a whole that can function independently, and the backup pad of laying is convenient for operating personnel to fix two main archs components of a whole that can function independently that contact.
In a second aspect, the present application provides a method for installing a main arch bracket of a overpass bridge, which adopts the following technical scheme:
a method for installing a main arch bracket of a overpass bridge comprises the following steps:
fixing the pile: placing a support bottom plate and fixing the pile on the support bottom plate;
the mounting bracket is split: fixing the support split bodies on the pile columns, connecting the support split bodies adjacent in the horizontal direction by using horizontal clamping columns, and increasing the number of the support split bodies in the vertical direction according to the built height of the main arch;
laying a support plate: observing frames are arranged at two ends of the main arch, and a supporting plate is laid between the two observing frames.
By adopting the technical scheme, the main arch support is built according to the built height of the main arch, so that the height of the main arch support is ensured to be always lower than the built height of the main arch, and the main arch support is prevented from influencing the hanging machine to install the hung main arch split bodies on the installed main arch split bodies.
Preferably, the step of fixing the support division bodies on the pile, connecting the support division bodies adjacent in the horizontal direction by using the horizontal clamping columns, and increasing the number of the support division bodies in the vertical direction according to the built height of the main arch further comprises:
four ends of two first inclined rods which are arranged at the lower half part of the main arch in a crossed manner are respectively connected to four adjacent bracket split bodies;
four ends of two first inclined rods which are arranged at the upper half part of the main arch in a crossed manner are respectively connected to two adjacent bracket split bodies.
By adopting the technical scheme, the larger the included angle between the adjacent main arch split bodies in the upward horizontal direction is, the larger the pressure applied to the main arch support is, so that the stability of the main arch support is ensured by adjusting the first inclined rod according to different pressures.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the method comprises the following steps that a main arch support is built according to the built height of a main arch, a horizontal clamping column enables support split bodies in the horizontal direction to be detachably installed through a fastening assembly, and a connecting assembly enables support split bodies in the vertical direction to be detachably installed, so that the main arch support is prevented from influencing a crane to move the hoisted main arch split bodies to the installed main arch split bodies;
2. the inclination between two adjacent main arch components of a whole that can function independently of each other in the main arch horizontal direction is different, and the angle of first stopper and the spacing frame of second is adjusted according to the inclination between the main arch components of a whole that can function independently to be connected the both ends of first sloping pole and corresponding support components of a whole that can function independently, make the first sloping pole of cross arrangement support the effect better.
Drawings
Fig. 1 is a schematic structural view of the whole main arch support structure of a overpass bridge according to an embodiment of the present application.
Fig. 2 is an exploded structural diagram of a bracket bottom plate and a bracket split body in the embodiment of the application.
Fig. 3 is an overall structural schematic diagram of a bracket split body in the embodiment of the present application.
Fig. 4 is a schematic diagram of an explosive structure at the first inclined clamping rod in the embodiment of the application.
Fig. 5 is an enlarged view of a portion a in fig. 1.
Description of reference numerals: 1. a bracket base plate; 2. pile columns; 3. the bracket is split; 31. a column; 32. a second inclined clamping rod; 33. a connecting plate; 4. a first inclined clamping rod; 5. horizontally clamping the column; 6. a fastening assembly; 61. a threaded rod; 62. a seal ring; 63. a first threaded rod; 64. a threaded hole; 65. a limiting ring; 66. a through hole; 67. a second thread; 7. a connecting assembly; 71. a first connecting ring; 72. a second connection ring; 73. a limiting groove; 74. a limiting block; 8. a first limit frame; 9. a second limit frame; 10. a baffle plate; 11. a second threaded rod; 12. a threaded ring; 13. a first rotating lever; 14. a second rotating lever; 15. mounting grooves; 16. a first limit plate; 17. a second limiting plate; 18. a support plate; 20. an observation frame; 21. a support plate; 22. a support bar; 23. a limiting sleeve.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses a main arch support structure of a overpass bridge.
Example 1
Referring to fig. 1 and 2, the main arch support structure of the overpass bridge comprises a support bottom plate 1 and a plurality of pile columns 2, wherein the main arch is formed by splicing a plurality of main arch split bodies, two main arch split bodies at the bottommost end of the main arch are fixed on the ground, and the support bottom plate 1 is laid between the two main arch split bodies at the bottommost end of the main arch. A plurality of mounting groove 15 has been seted up at support bottom plate 1's top, and a plurality of mounting groove 15 divide into two sets ofly, and two sets of mounting groove 15 set up along support bottom plate 1's width direction interval, and a plurality of mounting groove 15 along support bottom plate 1's length direction evenly distributed in the same group. The support bottom plate 1 is vertically provided with a plurality of first limiting plates 16, each mounting groove 15 corresponds to five first limiting plates 16, and the five first limiting plates 16 are uniformly distributed along the circumferential direction of the mounting groove 15. In installing groove 15 was worn to establish into by the bottom of stake 2, be equipped with five second limiting plates 17 on the lateral wall of stake 2, five first limiting plate 16 and five second limiting plate 17 one-to-one, first limiting plate 16 and the laminating of corresponding second limiting class mutually, first limiting plate 16 passes through bolt and second limiting plate 17 fixed connection.
Referring to fig. 2 and 3, the top end of the bracket bottom plate 1 is provided with a plurality of bracket split bodies 3, each bracket split body 3 comprises two upright posts 31, two second inclined clamping rods 32 are arranged between the two upright posts 31, the two second inclined clamping rods 32 are arranged in a crossed manner, and two ends of each second inclined clamping rod 32 are respectively welded on the two upright posts 31. A connecting plate 33 is arranged between the two upright columns 31, and the connecting plate 33 is arranged at the top of the outer side wall of each upright column 31. A connecting assembly 7 is arranged between two vertically adjacent bracket split bodies 3, the connecting assembly 7 comprises a first connecting ring 71 and a second connecting ring 72, the first connecting ring 71 is arranged at the top end of the upright column 31, and the second connecting ring 72 is arranged at the bottom end of the upright column 31. The top end of the upright column 31 is provided with a limiting groove 73, and the bottom end of the upright column 31 is fixedly provided with a limiting block 74. The limit block 74 on the upright column 31 is clamped in the limit groove 73 of the other upright column 31 adjacent to the upright column 31 in the vertical direction, and the first connecting ring 71 on the upright column 31 is fixedly connected with the second connecting ring 72 of the upright column 31 adjacent in the vertical direction through a bolt. Two upright columns 31 on each support split body 3 respectively correspond to two piles 2 in the width direction of the support bottom plate 1, the top ends of the pile 2 are also provided with a limiting groove 73 and a first connecting ring 71, a limiting block 74 of the upright column 31 at the top end of the pile 2 is clamped and embedded in the limiting groove 73 of the pile 2, and a second connecting ring 72 of the upright column 31 at the top end of the pile 2 is fixedly connected with the first connecting ring 71 at the top end of the pile 2 through bolts.
Referring to fig. 2 and 3, a horizontal clamping column 5 penetrates between two adjacent support split bodies 3 in the horizontal direction, and a fastening assembly 6 for fixing the horizontal clamping column 5 on the two support split bodies 3 is arranged on the horizontal clamping column 5. One end of the horizontal clamping column 5 is provided with a first threaded rod 63, the other end of the horizontal clamping column 5 is provided with a threaded hole 64, and one end of the horizontal clamping column 5 provided with the threaded hole 64 is fixedly provided with a limiting ring 65. The vertical column 31 is provided with a through hole 66 for the horizontal clamping column 5 to pass through, the horizontal clamping column 5 passes through the through holes 66 on two adjacent vertical columns 31 in the horizontal direction, and the limiting ring 65 on the horizontal clamping column 5 is abutted against the outer side wall of the vertical column 31. The first threaded rod 63 on the horizontal clamping column 5 penetrates into a threaded hole 64 on the other horizontal clamping column 5 adjacent to the horizontal clamping column 5, and the first threaded rod 63 on the horizontal clamping column 5 is in threaded connection with the other horizontal clamping column 5. The fastening assembly 6 comprises a threaded sleeve rod 61 and a sealing ring 62, the horizontal clamping columns 5 in the same horizontal direction are connected with each other, a first threaded rod 63 of the horizontal clamping column 5 connected at last does not have a threaded hole 64 corresponding to the threaded hole 64, the threaded sleeve rod 61 penetrates through the upright column 31 at the first threaded rod 63 of the horizontal clamping column 5 connected at last, and the first threaded rod 63 of the horizontal clamping column 5 connected at last is in threaded connection with the threaded sleeve rod 61. The outer side wall of the threaded sleeve rod 61 is provided with a second thread 67, and the sealing sleeve is in threaded connection with the threaded sleeve rod 61 through the second thread 67.
Referring to fig. 3 and 4, two first cross inclined clamping rods 4 are arranged between adjacent bracket split bodies 3 in the same horizontal direction. Each upright post 31 of the bracket split body 3 is provided with two first limiting frames 8 and two second limiting frames 9, the first limiting frames 8 are fixedly provided with first rotating rods 13, and the first rotating rods 13 are rotatably arranged at the tops of the outer side walls of the upright posts 31; the second limiting frame 9 is fixedly provided with a second rotating rod 14, and the second rotating rod 14 is rotatably arranged at the bottom of the outer side wall of the upright column 31. One end of the first inclined clamping rod 4 is fixedly provided with a baffle plate 10, and the other end is provided with a second threaded rod 67. The first inclined clamping rod 4 penetrates through the first limiting frame 8 and the second limiting frame 9, the baffle 10 is abutted against the first limiting frame 8, and the second threaded rod 67 penetrates through the second limiting frame 9. The second threaded rod 67 is connected with a threaded ring 12 in a threaded manner, and the threaded ring 12 is abutted against the second limit frame 9.
Referring to fig. 1 and 5, the top end of the connecting plate 33 is provided with a supporting plate 18, and both ends of the supporting plate 18 are provided with observation frames 20 fixed on the arch body. One side that the observation frame 20 is close to the backup pad 18 is equipped with layer board 21, and layer board 21 is located and is observed the bottom of frame 20, and two tops of observing frame 20 are located respectively at the both ends of backup pad 18, and the bottom of layer board 21 is equipped with bracing piece 22, is equipped with stop collar 23 on the stand 31, stop collar 23 setting is worn into to the one end of bracing piece 22.
Example 2
A method for installing a main arch bracket of a overpass bridge comprises the following steps:
fixing the pile 2: placing the support bottom plate 1 and fixing the pile column 2 on the support bottom plate 1.
Mounting bracket components of a whole that can function independently 3: fixing the support split bodies 3 on the pile columns 2, and connecting the support split bodies 3 adjacent to each other in the horizontal direction by using horizontal clamping columns 5; the height of the support split bodies 3 in the vertical direction is determined according to the built height of the main arch, the built height of the support split bodies 3 is always lower than the building height of the main arch, and more support split bodies 3 are connected to the top ends of the support split bodies 3 according to the height of the main arch, so that the main arch is convenient to pour.
The first inclined rods connected between the support split bodies 3 in the same horizontal direction are determined according to the size of an included angle between the main arch split bodies:
four ends of two first inclined rods which are arranged at the lower half part of the main arch in a crossed manner are respectively connected to four adjacent bracket split bodies 3;
four ends of two first inclined rods which are arranged at the upper half part of the main arch in a crossed manner are respectively connected to two adjacent bracket split bodies 3.
Laying the supporting plate 18: observation frames 20 are installed at both ends of the main arch, and a support plate 18 is laid between the two observation frames 20.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a main hunch supporting structure of overline bridge which characterized in that: including support bottom plate (1), a plurality of stake (2) and a plurality of support components of a whole that can function independently (3), the vertical setting of stake (2) is on the top of support bottom plate (1), two stake (2) correspond a support components of a whole that can function independently (3), two the top of stake (2) and the bottom fixed connection of support components of a whole that can function independently (3), adjacent on same horizontal direction be equipped with two first oblique clamping bars (4) between support components of a whole that can function independently (3), two first oblique clamping bar (4) cross arrangement, adjacent on the same horizontal direction wear to be equipped with horizontal clamping column (5) between support components of a whole that can function independently (3), be equipped with fastening components (6) on horizontal clamping column (5), adjacent on the same vertical direction be equipped with coupling assembling (7) between support components of a whole that can function independently (3).
2. A main arch support structure of a overpass according to claim 1, wherein: the support components of a whole that can function independently (3) are including two stands (31), two fixed being equipped with two oblique clamping bar of second (32) between stand (31), two oblique clamping bar of second (32) cross arrangement, two be equipped with connecting plate (33) between stand (31), the top of stand (31) lateral wall is located in connecting plate (33).
3. A main arch support structure of a overpass according to claim 2, wherein: fastening components (6) include threaded sleeve pole (61) and sealing ring (62), the one end that level pressed from both sides post (5) is equipped with first threaded rod (63), and the other end is equipped with screw hole (64), the pot head that level pressed from both sides post (5) is equipped with screw hole (64) is equipped with spacing ring (65), be equipped with through-hole (66) on stand (31), level pressed from both sides post (5) and passes through-hole (66) setting on adjacent support components of a whole that can function independently (3), spacing ring (65) and stand (31) looks butt, threaded sleeve pole (61) pass through-hole (66) and with first threaded rod (63) threaded connection, be equipped with second screw thread (67) on the outer wall of threaded sleeve pole (61), sealing ring (62) and threaded sleeve pole (61) threaded connection.
4. A main arch support structure of a overpass according to claim 2, wherein: coupling assembling (7) include first go-between (71) and second go-between (72), the top of stand (31) is located in first go-between (71), the bottom of stand (31) is located in second go-between (72), spacing groove (73) have been seted up on the top of stand (31), the bottom mounting of stand (31) is equipped with stopper (74), stopper (74) the inlay card on stand (31) is in spacing groove (73) of the adjacent stand of vertical direction (31), pass through bolt fixed connection between first go-between (71) on stand (31) and the second go-between (72) of the adjacent stand of vertical direction (31).
5. The main arch support structure of a flying bridge according to claim 4, wherein: be equipped with first spacing frame (8) and second spacing frame (9) on stand (31), the top of stand (31) lateral wall is located in first spacing frame (8), the bottom of stand (31) lateral wall is located in second spacing frame (9), the one end of first slope pole is equipped with baffle (10), and the other end is equipped with second screw thread (67) pole, first oblique clamping bar (4) pass first spacing frame (8) and second spacing frame (9) setting, baffle (10) and first spacing frame (8) looks butt, threaded connection has screw thread ring (12) on second screw thread (67) pole, screw thread ring (12) and second spacing frame (9) looks butt.
6. The main arch support structure of a flying bridge according to claim 5, wherein: the top of stand (31) lateral wall is rotated and is equipped with first dwang (13), first dwang (13) and first spacing frame (8) fixed connection, the bottom of stand (31) lateral wall is rotated and is equipped with second dwang (14), second dwang (14) and spacing frame of second (9) fixed connection.
7. A main arch support structure of a overpass according to claim 1, wherein: mounting groove (15) have been seted up on support bottom plate (1), be equipped with a plurality of first limiting plate (16), a plurality of on support bottom plate (1) first limiting plate (16) set up along the circumference of mounting groove (15), stake (2) inlay card is in mounting groove (15), be equipped with a plurality of second limiting plate (17) on the lateral wall of stake (2), first limiting plate (16) and second limiting plate (17) one-to-one, second limiting plate (17) are through bolt and first limiting plate (16) fixed connection.
8. A main arch support structure of a overpass according to claim 1, wherein: connecting plate (33) top is equipped with backup pad (18), the both ends of backup pad (18) all are equipped with observation frame (20) of fixing on the arch body, one side that observation frame (20) are close to backup pad (18) is equipped with layer board (21), observation frame (20) bottom is located in layer board (21), the top of two observation frames (20) is located respectively at the both ends of backup pad (18), the bottom of layer board (21) is equipped with bracing piece (22), be equipped with stop collar (23) on stand (31), stop collar (23) setting is worn into to the one end of bracing piece (22).
9. A method for installing a main arch bracket of a overpass bridge is characterized by comprising the following steps: the method comprises the following steps:
fixing pile (2): placing the support bottom plate (1) and fixing the pile (2) on the support bottom plate (1);
mounting bracket split (3): fixing the support split bodies (3) on the pile columns (2), connecting the support split bodies (3) adjacent in the horizontal direction by using horizontal clamping columns (5), and increasing the number of the support split bodies (3) in the vertical direction according to the built height of the main arch;
laying support plates (18): observation frames (20) are installed at both ends of the main arch, and a support plate (18) is laid between the two observation frames (20).
10. The method for installing a main arch support of a overpass bridge according to claim 9, wherein: fixing the support components of a whole that can function independently (3) on stake (2), use horizontal clamp post (5) to connect adjacent support components of a whole that can function independently (3) of horizontal direction to according to the step that the built height of main arch increased the quantity of support components of a whole that can function independently (3) in the vertical direction still includes:
four ends of two first inclined rods which are arranged at the lower half part of the main arch in a crossed manner are respectively connected to four adjacent bracket split bodies (3);
four ends of two first inclined rods which are arranged at the upper half part of the main arch in a crossed manner are respectively connected to two adjacent bracket split bodies (3).
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Application publication date: 20211210 |