CN111827082A - Steel structure special-shaped overbridge and installation method - Google Patents
Steel structure special-shaped overbridge and installation method Download PDFInfo
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- CN111827082A CN111827082A CN202010574249.9A CN202010574249A CN111827082A CN 111827082 A CN111827082 A CN 111827082A CN 202010574249 A CN202010574249 A CN 202010574249A CN 111827082 A CN111827082 A CN 111827082A
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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
- E01D15/00—Movable or portable bridges; Floating bridges
- E01D15/12—Portable or sectional 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
- 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
- E01D2101/00—Material constitution of bridges
- E01D2101/30—Metal
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Abstract
The invention discloses a steel structure special-shaped overpass and an installation method, relates to the technical field of bridges, and solves the problem of troublesome installation of the overpass. The utility model provides a steel construction abnormal shape overline bridge and installation method, includes the support column, the support column has eight, four supporting platform is constituteed to the support column, two the both sides of supporting platform all are provided with stair, two install bridge plate bearing structure between the supporting platform, the guardrail is installed to the bilateral symmetry of bridge plate bearing structure upper surface, the body of a bridge additional strengthening is all installed to the both sides of guardrail, the both ends and the supporting platform of body of a bridge additional strengthening are connected, the last fixed surface of support column installs the link, the outside fixed mounting of link has four connection structure, the support column includes combination column, down tube, horizontal pole, base, ground connecting plate, ground, bolt hole. The invention realizes the function of convenient fixation of the device and strengthens the structure of the bridge body.
Description
Technical Field
The invention relates to the technical field of overpass installation, in particular to a steel structure special-shaped overpass and an installation method.
Background
The pedestrian overpass is a building assisting pedestrians to pass through roads in modern cities, and the pedestrians and vehicles on the roads can be completely separated by building the overpass, so that the smooth traffic and the safety of the pedestrians are ensured. The most common pedestrian overpass crosses streets or highways, also crosses railways and light rails, and also some overpasses are built at a stereo intersection and are integrated with the buildings of the overpass.
However, the existing steel structure overbridge is simple in structure, insufficient in strength, time-consuming and labor-consuming in installation, and not simple enough in installation between structures; therefore, the existing requirements are not met, and a steel structure special-shaped overbridge and an installation method are provided for the steel structure special-shaped overbridge.
Disclosure of Invention
The invention aims to provide a steel structure special-shaped overbridge and an installation method, and aims to solve the problems that the steel structure overbridge proposed in the background art is simple in structure, insufficient in strength, time-consuming and labor-consuming in installation, insufficient in installation among structures and the like.
In order to achieve the purpose, the invention provides the following technical scheme: a steel structure special-shaped overpass and an installation method thereof comprise support columns, eight support columns and four support columns form support platforms, stairs are arranged on two sides of each of the two support platforms, a bridge plate support structure is installed between the two support platforms, guardrails are symmetrically installed on two sides of the upper surface of the bridge plate support structure, bridge body reinforcing structures are installed on two sides of each guardrail, two ends of each bridge body reinforcing structure are connected with the support platforms, a connecting frame is fixedly installed on the upper surfaces of the support columns, and four connecting structures are fixedly installed on the outer sides of the connecting frames;
the support columns comprise four combined columns, oblique rods, cross rods, a base, a ground connecting plate, a foundation, bolt holes, a connecting table board and limiting grooves, the combined columns are fixed through the cross rods, the oblique rods are welded on the lower surface of one end of each cross rod, the base is welded and fixed on the lower surface of each combined column, the ground connecting plate is fixed on the lower end of the base through bolts, the bolt holes are formed in the upper surface of the ground connecting plate, the foundation is arranged on the lower surface of the ground connecting plate, the connecting table board is fixedly installed at the top end of each combined column, the limiting grooves are formed in the middle of the connecting table board, the connecting frame comprises an upper plate, a lower plate, connecting columns, steel calipers, limiting pins and notches, the lower plate is fixedly installed at the lower end of the upper plate, and four end angles between the upper plate and the lower plate are fixed through the connecting columns, the upper surfaces of four end surfaces of the lower plate are provided with notches, the lower plate and the connecting table board are clamped and fixed through steel calipers, the upper surface of the lower plate is provided with a limiting pin, the connecting structure comprises an extension pipe, a thread groove, a gap, an external pipe, a splicing clamping groove and a large hexagon bolt, the outer side of one end of the extension pipe is provided with the thread groove, the gap is arranged on the inner side of the thread groove, one end of the extension pipe is spliced and fixed with the external pipe, one end of the external pipe is provided with the splicing clamping groove in a splicing way, the outer surface of the external pipe is sleeved with the large hexagon bolt, the bridge body reinforcing structure comprises a bridge fixing belt, a support rod, a chute fixing end, a bottom matching column, a parallel fixing port and a bridge body reinforcing structure, the support rod is arranged between the lower end of the bridge fixing belt and the bottom matching column, and the chute fixing ends, the inboard of chute stiff end is provided with the bridge body additional strengthening, the both sides fixed mounting of bottom cooperation post has parallel fixed port.
Preferably, the bridge plate supporting structure comprises two C-shaped steels, limiting rods and a concrete layer, the limiting rods are arranged on the inner sides of the two C-shaped steels, and the concrete layer is filled and fixed on the upper surfaces of the two C-shaped steels.
And one end of the extension pipe extending out of the inner wall of the pipe is provided with four clamping pins, and the four clamping pins correspond to the angles of the inserting clamping grooves.
Preferably, a bridge body reinforcing structure is transversely and fixedly arranged between every two adjacent supporting columns.
Preferably, two the combination post is a set of, the combination post has four groups, per two be provided with fixed steel sheet between the combination post, every parallel two sets of pass through chute stiff end fixed connection between the combination post, the chute stiff end passes through the bolt fastening with fixed steel sheet, the both ends of bridge fixed band are fixed with installs the chute stiff end, the chute stiff end is fixed through pegging graft with the bridge fixed band.
Preferably, one end of each limiting rod is attached to the inner wall of one C-shaped steel, the other end of each limiting rod is attached to the inner wall of the other C-shaped steel, the limiting rods are connected end to end and fixed through bolts, and a triangular state is formed between every two limiting rods.
Preferably, the up end of bracing piece is fixed with the inner wall of bridge fixed band, the lower terminal surface of bracing piece is fixed with the inboard of bottom cooperation post, two the top of bracing piece is passed through the bolt fastening, two the bracing piece becomes the triangle-shaped state with bottom cooperation post, per two the bracing piece is a set of, every group the bolt fastening is passed through at the both ends of bracing piece, the bracing piece passes through the bolt fastening with bridge fixed band and bottom cooperation post.
A method of installation, the method of installation comprising the steps of:
step 1, pre-burying a foundation at a specified position, assembling and connecting a combination column, an inclined rod, a cross rod and a base, corresponding the bottom of the base to a bolt hole, fixing the base and the bolt hole through a bolt, then fixedly connecting an upper plate and a lower plate through a connecting column, corresponding the lower surface of the lower plate to the upper surface of a connecting table board, and clamping a clamping pin on the lower end surface of the connecting column into a clamping groove on the upper surface of a limiting groove to form a limiting effect;
fixing the eight support columns at the designated positions, fixedly mounting two ends of the C-shaped steel and two transverse support columns, fixedly mounting the other C-shaped steel and the other two support columns, arranging the limiting rods between the two C-shaped steels, enabling the limiting rods to be connected at first positions to form a triangular shape, fixing the triangular shape through bolts, and uniformly arranging the concrete layer on the upper surface of the C-shaped steel for fixing;
and 4, fixing the bottom matching columns on two sides of the concrete layer, fixing the bottom matching columns between two support columns, fixing the chute fixing ends on one side of the fixing steel plate, fixing the chute fixing ends through bolts, inserting two ends of the bridge fixing band into the bridge body reinforcing structure, fixing the bridge body reinforcing structure through bolts, obliquely installing the head ends and the tail ends of the support rods with the bridge fixing band and the bottom matching columns respectively, connecting the two ends of each support rod with each other, and forming a triangle between each two support rods and the bridge fixing band or the bottom matching columns and fixing the support rods through bolts.
Preferably, the lower end face of the connecting table-board is provided with a notch, and the lower plate is fixedly connected with the connecting table-board through steel calipers.
Preferably, the precast concrete layer position, the bottom surface of concrete layer's both sides sets up in the flat groove, bottom cooperation post passes through the bolt fastening with concrete layer.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention firstly pre-embeds the foundation at a designated position, then the combination post, the diagonal rod, the cross rod and the base are assembled and connected, then the bottom of the base corresponds to the bolt hole, the base and the bolt hole are fixed through the bolt, then the upper plate and the lower plate are fixedly connected through the connecting post, the lower surface of the lower plate corresponds to the upper surface of the connecting table board, the bayonet lock of the lower end surface of the connecting post is clamped into the clamping groove of the upper surface of the limiting groove to form the limiting function, the limiting pin is clamped into the limiting groove, then the upper end of the inner side of the steel caliper is clamped into the inner side of the notch of the upper surface of the lower plate, the lower end of the inner side of the steel caliper is clamped into the notch of the lower end surface of the connecting table board to form the fixed state, when the connecting structure is installed, one end of the external connecting pipe is required to be inserted into the, and then the large hexagon bolt is matched with the thread groove, so that the gap is inwards reduced, the clamping pin is clamped into the inner side of the clamping groove, the locking effect on the thread groove is realized, and the operating time of the device during installation can be reduced through the mechanism.
Drawings
FIG. 1 is a schematic structural view of the present invention as a whole;
FIG. 2 is a schematic view of an assembled structure of the composite column of the present invention;
FIG. 3 is a schematic view of the structure of the connecting frame of the present invention;
FIG. 4 is a schematic view of a bridge securing strap structure according to the present invention;
FIG. 5 is a schematic structural view of a bridge deck support structure according to the present invention;
fig. 6 is a schematic structural view of the connection structure of the present invention.
In the figure: 1. a support pillar; 101. a combination column; 102. a diagonal bar; 103. a cross bar; 104. a base; 105. a ground connection plate; 106. a foundation; 107. bolt holes; 108. connecting the table top; 109. a limiting groove; 2. a connecting frame; 201. an upper plate; 202. a lower plate; 203. connecting columns; 204. steel calipers; 205. a spacing pin; 206. a notch; 3. a connecting structure; 301. an extension tube; 302. a thread groove; 303. a gap; 304. an external connection pipe; 305. inserting a clamping groove; 306. a large hexagon bolt; 4. a bridge body reinforcing structure; 401. bridge fixing belts; 402. a support bar; 403. a chute fixing end; 404. a bottom mating post; 405. a parallel fixed port; 406. a bridge body reinforcing structure; 5. a bridge deck support structure; 501. c-shaped steel; 502. a limiting rod; 503. a concrete layer; 6. a staircase; 7. and (4) a guardrail.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 to 6, an embodiment of the present invention includes: a steel structure special-shaped overbridge comprises support columns 1, eight support columns 1 are provided, support platforms are formed by four support columns 1, stairs 6 are arranged on two sides of each support platform, a bridge plate support structure 5 is arranged between the two support platforms, guardrails 7 are symmetrically arranged on two sides of the upper surface of the bridge plate support structure 5, bridge body reinforcing structures 4 are arranged on two sides of each guardrail 7, two ends of each bridge body reinforcing structure 4 are connected with the support platforms, a connecting frame 2 is fixedly arranged on the upper surface of each support column 1, and four connecting structures 3 are fixedly arranged on the outer sides of the connecting frames 2;
the support column 1 comprises four combined columns 101, inclined rods 102, cross rods 103, a base 104, a ground connecting plate 105, foundations 106, bolt holes 107, a connecting table top 108 and limiting grooves 109, wherein each combined column 101 is fixed through the cross rod 103, the inclined rods 102 are welded on the lower surface of one end of the cross rod 103, the base 104 is welded and fixed on the lower surface of the combined column 101, the ground connecting plate 105 is fixed on the lower end of the base 104 through bolts, the bolt holes 107 are arranged on the upper surface of the ground connecting plate 105, the foundations 106 are arranged on the lower surface of the ground connecting plate 105, the connecting table top 108 is fixedly arranged at the top end of the combined column 101, the limiting grooves 109 are arranged in the middle position of the connecting table top 108, the connecting frame 2 comprises an upper plate 201, a lower plate 202, a connecting column 203, steel calipers 204, a limiting pin 205 and a notch 206, the lower plate 202 is fixedly arranged at the lower end of the upper plate 201, four end, the upper surfaces of four end surfaces of the lower plate 202 are provided with notches 206, the lower plate 202 and the connecting table surface 108 are clamped and fixed through steel calipers 204, the upper surface of the lower plate 202 is provided with a limiting pin 205, the connecting structure 3 comprises an extension pipe 301, a thread groove 302, a gap 303, an external pipe 304, a plug-in slot 305 and a large hexagon bolt 306, the outer side of one end of the extension pipe 301 is provided with the thread groove 302, the inner side of the thread groove 302 is provided with the gap 303, one end of the extension pipe 301 is fixedly connected with the external pipe 304 in a plug-in manner, one end of the external pipe 304 is provided with the plug-in slot 305 in a plug-in manner, the outer surface of the external pipe 304 is sleeved with the large hexagon bolt 306, the bridge reinforcing structure 4 comprises a bridge fixing band 401, a supporting rod 402, a chute fixing end 403, a bottom matching column 404, a parallel fixing port 405 and a bridge reinforcing structure, the two ends of the bridge fixing band 401 are fixedly connected with chute fixing ends 403 in an inserted manner, the inner sides of the chute fixing ends 403 are provided with bridge body reinforcing structures 406, and two sides of the bottom matching column 404 are fixedly provided with parallel fixing ports 405;
further, the bridge plate supporting structure 5 comprises two C-shaped steels, limiting rods 502 and a concrete layer 503, the limiting rods 502 are arranged on the inner sides of the two C-shaped steels, the concrete layer 503 is filled and fixed on the upper surfaces of the two C-shaped steels, and through the mechanism, the function of quick installation of the device can be achieved, and the strength of the bridge body is increased.
Furthermore, four clamping pins are arranged at one end of the inner wall of the extension pipe 301, the four clamping pins correspond to the angles of the inserting clamping grooves 305, and the locking effect of the extension pipe 301 and the outer connecting pipe 304 can be realized through the mechanism.
Further, wherein horizontal fixed mounting has body of a bridge additional strengthening 4 between four adjacent support columns 1, through this mechanism, can realize the effect of the quick fixed of device.
Further, two combination columns 101 are a set of, combination column 101 has four groups, be provided with fixed steel sheet between per two combination columns 101, through chute stiff end 403 fixed connection between per two parallel sets of combination columns 101, chute stiff end 403 passes through the bolt fastening with fixed steel sheet, bridge fixing band 401's both ends are fixed with installs chute stiff end 403, chute stiff end 403 is fixed through pegging graft with bridge fixing band 401, and consolidate through the bolt, through this mechanism, can realize the function of the quick installation of device.
Further, the one end of gag lever post 502 and the inner wall laminating of one of them C shape steel, the other end of gag lever post 502 and the inner wall laminating of another one of them C shape steel, the end to end of every gag lever post 502 and through bolt fastening, form the triangle-shaped state between per two gag lever posts 502, through this mechanism, can realize the effect of the quick installation of device to strengthen the intensity of device.
Further, the up end of bracing piece 402 is fixed with the inner wall of bridge fixed band 401, the lower terminal surface of bracing piece 402 is fixed with the inboard of bottom cooperation post 404, bolt fastening is passed through on the top of two bracing pieces 402, two bracing pieces 402 form the triangle-shaped state with bottom cooperation post 404, per two bracing pieces 402 are a set of, bolt fastening is passed through at the both ends of every group bracing piece 402, bracing piece 402 passes through bolt fastening with bridge fixed band 401 and bottom cooperation post 404, through this mechanism, the function of the quick installation of device can be realized.
A method of installation, the method of installation comprising the steps of:
step 1, firstly, pre-burying a foundation 106 at a specified position, then assembling and connecting a combination column 101, an inclined rod 102, a cross rod 103 and a base 104, corresponding the bottom of the base 104 to a bolt hole 107, fixing the base 104 and the bolt hole 107 through a bolt, then fixedly connecting an upper plate 201 and a lower plate 202 through a connecting column 203, corresponding the lower surface of the lower plate 202 to the upper surface of a connecting table top 108, and clamping a clamping pin on the lower end surface of the connecting column 203 into a clamping groove on the upper surface of a limiting groove 109 to form a limiting effect;
and 4, fixing the bottom matching columns 404 on two sides of the concrete layer 503, fixing the bottom matching columns 404 between two support columns 1, fixing the chute fixing ends 403 on one side of the fixing steel plate, fixing the chute fixing ends through bolts, inserting two ends of the bridge fixing band 401 into the bridge body reinforcing structure 406, fixing the bridge body reinforcing structure through bolts, obliquely installing the head and tail ends of the support rods 402 with the bridge fixing band 401 and the bottom matching columns 404 respectively, connecting two ends of each support rod 402 with each other, forming a triangle between each two support rods 402 with the bridge fixing band 401 or the bottom matching columns 404, and fixing the support rods through bolts.
Further, the notch 206 is all installed to the lower terminal surface of connecting mesa 108, and lower template 202 passes through steel calliper 204 fixed connection with connecting mesa 108, through this mechanism, can guarantee the effect of the quick installation of notch 206.
Further, the precast concrete layer 503 position, the bottom surface of concrete layer 503's both sides sets up in the flat slot, and bottom cooperation post 404 passes through the bolt fastening with concrete layer 503, through this mechanism, can realize the function of the quick installation of device.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. The utility model provides a steel construction abnormal shape overline bridge, includes support column (1), its characterized in that: eight support columns (1), four support columns (1) form a support platform, stairs (6) are arranged on two sides of each support platform, a bridge plate support structure (5) is arranged between the two support platforms, guardrails (7) are symmetrically arranged on two sides of the upper surface of the bridge plate support structure (5), bridge body reinforcing structures (4) are arranged on two sides of each guardrail (7), two ends of each bridge body reinforcing structure (4) are connected with the support platforms, a connecting frame (2) is fixedly arranged on the upper surface of each support column (1), and four connecting structures (3) are fixedly arranged on the outer sides of the connecting frames (2);
wherein the support column (1) comprises combination columns (101), inclined rods (102), cross rods (103), bases (104), ground connecting plates (105), foundations (106), bolt holes (107), connecting table tops (108) and limiting grooves (109), four combination columns (101) are provided, each combination column (101) is fixed through the cross rod (103), the inclined rods (102) are welded on the lower surface of one end of the cross rod (103), the bases (104) are welded and fixed on the lower surfaces of the combination columns (101), the ground connecting plates (105) are fixed on the lower ends of the bases (104) through bolts, the bolt holes (107) are formed in the upper surfaces of the ground connecting plates (105), the foundations (106) are arranged on the lower surfaces of the ground connecting plates (105), the connecting table tops (108) are fixedly installed on the top ends of the combination columns (101), and the limiting grooves (109) are formed in the middle positions of the connecting table tops (108), the connecting frame (2) comprises an upper plate (201), a lower plate (202), a connecting column (203), steel calipers (204), limiting pins (205) and notches (206), wherein the lower end of the upper plate (201) is fixedly provided with the lower plate (202), four end angles between the upper plate (201) and the lower plate (202) are fixed through the connecting column (203), notches (206) are formed in the upper surfaces of four end surfaces of the lower plate (202), the lower plate (202) and a connecting table board (108) are clamped and fixed through the steel calipers (204), the limiting pins (205) are arranged on the upper surface of the lower plate (202), the connecting structure (3) comprises an extension pipe (301), a thread groove (302), a gap (303), an outer connecting pipe (304), an insertion clamping groove (305) and a large hexagon bolt (306), the thread groove (302) is formed in the outer side of one end of the extension pipe (301), gaps (303) are arranged on the inner side of the thread groove (302), an external connecting pipe (304) is fixedly inserted into one end of the extension pipe (301), one end of the external pipe (304) is provided with an inserting clamping groove (305) in an arrangement way, the outer surface of the external pipe (304) is sleeved with a large hexagon bolt (306), the bridge body reinforcing structure (4) comprises a bridge fixing band (401), a support rod (402), a chute fixing end (403), a bottom matching column (404), a parallel fixing port (405) and a bridge body reinforcing structure (406), supporting rods (402) are arranged between the lower end of the bridge fixing belt (401) and the bottom matching column (404), the two ends of the bridge fixing belt (401) are fixedly inserted with chute fixing ends (403), a bridge body reinforcing structure (406) is arranged on the inner side of the chute fixing end (403), and parallel fixed ports (405) are fixedly arranged on two sides of the bottom matching column (404).
2. The steel structure special-shaped overbridge as claimed in claim 1, wherein: the bridge plate supporting structure (5) comprises two C-shaped steels (501), limiting rods (502) and concrete layers (503), the limiting rods (502) are arranged on the inner sides of the two C-shaped steels (501), and the concrete layers (503) are filled and fixed on the upper surfaces of the C-shaped steels (501).
3. The steel structure special-shaped overbridge as claimed in claim 1, wherein: one end of the inner wall of the extension pipe (301) is provided with four clamping pins, and the four clamping pins correspond to the angle of the inserting clamping groove (305).
4. The steel structure special-shaped overbridge as claimed in claim 1, wherein: and a bridge body reinforcing structure (4) is transversely and fixedly arranged between every two adjacent support columns (1).
5. The steel structure special-shaped overbridge as claimed in claim 1, wherein: two combination post (101) are a set of, combination post (101) have four groups, per two be provided with fixed steel sheet between combination post (101), every parallel two sets of pass through chute stiff end (403) fixed connection between combination post (101), chute stiff end (403) pass through the bolt fastening with fixed steel sheet, the both ends of bridge fixed band (401) are fixed with installs chute stiff end (403), chute stiff end (403) are fixed through pegging graft with bridge fixed band (401).
6. The steel structure special-shaped overbridge as claimed in claim 1, wherein: one end of each limiting rod (502) is attached to the inner wall of one C-shaped steel (501), the other end of each limiting rod (502) is attached to the inner wall of the other C-shaped steel (501), the limiting rods (502) are connected end to end and fixed through bolts, and a triangular state is formed between every two limiting rods (502).
7. The steel structure special-shaped overbridge as claimed in claim 1, wherein: the up end of bracing piece (402) is fixed with the inner wall of bridge fixed band (401), the lower terminal surface of bracing piece (402) is fixed with the inboard of bottom cooperation post (404), two the top of bracing piece (402) is passed through the bolt fastening, two bracing piece (402) and bottom cooperation post (404) form the triangle-shaped state, per two bracing piece (402) are a set of, every group the bolt fastening is passed through at the both ends of bracing piece (402), bracing piece (402) pass through the bolt fastening with bridge fixed band (401) and bottom cooperation post (404).
8. A method for installing a steel structure special-shaped overbridge is characterized by comprising the following steps: the installation method comprises the following steps:
step 1, firstly, pre-burying a foundation (106) at a specified position, then assembling and connecting a combination column (101), an inclined rod (102), a cross rod (103) and a base (104), then corresponding the bottom of the base (104) to a bolt hole (107), fixing the base (104) and the bolt hole (107) through a bolt, then fixedly connecting an upper plate (201) and a lower plate (202) through a connecting column (203), corresponding the lower surface of the lower plate (202) to the upper surface of a connecting table top (108), and clamping a clamping pin on the lower end surface of the connecting column (203) into a clamping groove on the upper surface of a limiting groove (109) to form a limiting effect;
step 2, clamping a limiting pin (205) into a limiting groove (109), clamping the upper end of the inner side of a steel caliper (204) into the inner side of a notch (206) on the upper surface of a lower plate (202), clamping the lower end of the inner side of the steel caliper (204) into a notch (206) on the lower end surface of a connecting table top (108) to form a fixed state, inserting one end of an external connecting pipe (304) into the inner side of an extension pipe (301) when the connecting structure (3) is installed, enabling a clamping pin in the extension pipe (301) to slide to the inner side of an inserting clamping groove (305), and enabling a large hexagonal bolt (306) to be matched with a thread groove (302) to enable a gap (303) to be inwardly reduced and the clamping pin to be clamped into the inner side of the clamping groove, so that the locking effect on the thread groove (302) is achieved;
fixing the eight support columns (1) at specified positions, fixedly mounting two ends of the C-shaped steel (501) and two horizontal support columns (1), fixedly mounting the other C-shaped steel (501) and the other two support columns (1), arranging the limiting rods (502) between the two C-shaped steels (501), connecting each limiting rod (502) at first to form a triangular shape, fixing the triangular shape by bolts, and uniformly arranging the concrete layers (503) on the upper surfaces of the C-shaped steels (501) for fixing;
and 4, fixing the bottom matching columns (404) on two sides of the concrete layer (503), fixing the bottom matching columns (404) between two support columns (1), fixing the chute fixing ends (403) on one side of the fixing steel plate, fixing the chute fixing ends through bolts, inserting two ends of the bridge fixing band (401) into the bridge body reinforcing structure (406), fixing the bridge body reinforcing structure through bolts, obliquely installing the head and tail ends of the support rods (402) with the bridge fixing band (401) and the bottom matching columns (404) respectively, connecting two ends of each support rod (402) with each other, forming a triangle with the bridge fixing band (401) or the bottom matching columns (404) between every two support rods (402), and fixing the support rods through bolts.
9. The mounting method according to claims 1-8, wherein: the lower end face of the connecting table top (108) is provided with a notch (206), and the lower plate (202) is fixedly connected with the connecting table top (108) through a steel caliper (204).
10. The installation method according to claims 1-8, characterized in that: the prefabricated member is characterized in that the prefabricated member is arranged on the concrete layer (503), the bottom surfaces of two sides of the concrete layer (503) are arranged in a flat groove, and the bottom matching column (404) is fixed with the concrete layer (503) through a bolt.
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| CN202010574249.9A CN111827082A (en) | 2020-06-22 | 2020-06-22 | Steel structure special-shaped overbridge and installation method |
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| CN208136699U (en) * | 2017-11-29 | 2018-11-23 | 雷曼电梯有限公司 | Pin-connected panel pedestrian overpass |
| CN109610299A (en) * | 2018-12-11 | 2019-04-12 | 福建福船帆新能源装备制造有限公司 | A kind of base rack of steel structure bridge |
| CN209780216U (en) * | 2019-03-22 | 2019-12-13 | 河南交通职业技术学院 | Scaffold node connection structure |
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2020
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| KR101240586B1 (en) * | 2012-06-18 | 2013-03-15 | 주식회사 피피에스브릿지 | Reinforced stone-deck for footbridge |
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| CN205804142U (en) * | 2016-05-25 | 2016-12-14 | 杨金 | A kind of steelframe overpass |
| CN207537866U (en) * | 2017-11-06 | 2018-06-26 | 深圳市子煜钢结构工程有限公司 | A kind of dismountable steel structure overline bridge |
| CN208136699U (en) * | 2017-11-29 | 2018-11-23 | 雷曼电梯有限公司 | Pin-connected panel pedestrian overpass |
| CN109610299A (en) * | 2018-12-11 | 2019-04-12 | 福建福船帆新能源装备制造有限公司 | A kind of base rack of steel structure bridge |
| CN209780216U (en) * | 2019-03-22 | 2019-12-13 | 河南交通职业技术学院 | Scaffold node connection structure |
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