CN108221635B

CN108221635B - Steel construction pavement

Info

Publication number: CN108221635B
Application number: CN201810260685.1A
Authority: CN
Inventors: 邓永亮
Original assignee: Zunyi Luxin Machinery Co ltd
Current assignee: Zunyi Luxin Machinery Co ltd
Priority date: 2018-03-27
Filing date: 2018-03-27
Publication date: 2023-08-04
Anticipated expiration: 2038-03-27
Also published as: CN108221635A

Abstract

The invention belongs to the technical field of bridge structures in civil engineering, and particularly discloses a steel structure pavement which comprises a pavement, two bridges, four cross beams, a plurality of tread and a plurality of bridge panels, wherein the four cross beams are arranged side by side, and the bridges are erected between the cross beams. The bridge deck is arranged between two bridges, the ladder path comprises four first ladder beams and four second ladder beams, the ladder surface is arranged between two adjacent first ladder beams and two adjacent second ladder beams, two ends of each of the four cross beams are hinged with one first ladder beam and one second ladder beam, a first through groove is formed in the free end of each first ladder beam, a first through hole is formed in the two ends of each first through groove, a first bulge is formed in the free end of each second ladder beam, a second through hole is formed in each first bulge, a first pulley is arranged in each second through hole, a steel rope is arranged on each first pulley, and a second pulley is arranged on each steel rope. The invention aims to solve the problem that the bridge deck of a steel structure pavement with a high bridge deck is difficult to carry and install.

Description

Steel construction pavement

Technical Field

The invention belongs to the technical field of bridge structures in civil engineering, and particularly discloses a steel structure pavement.

Background

The footpath is generally built in tourist attractions and parks and is used for walking when people travel in leisure. The footpath is generally built in lawns, lakes and forests, and the height of the footpath is also different according to the geographical environment to be built, and the higher footpath is generally difficult to build. The sidewalk in the prior art is of a wood structure for attractive appearance and entertainment, the building time of the sidewalk of the wood structure is long, and the bridge, bridge plate and other structures of the sidewalk are long in production time and high in production difficulty, so that the sidewalk of the steel structure gradually enters the visual field of people. However, the overall structure of the steel-structured pavement is heavy, particularly the bridge deck is heavy and difficult to transport, and the steel-structured pavement is difficult to install for constructing a pavement with a high height.

Disclosure of Invention

The invention aims to provide a steel structure pavement, which solves the problem that a bridge deck of the steel structure pavement with a high bridge deck is difficult to carry and install.

In order to achieve the above purpose, the basic scheme of the invention is as follows: the steel structure pavement comprises a pavement, two bridges, four cross beams, a plurality of ladder faces and a plurality of bridge decks, wherein the pavement comprises four first ladder beams and four second ladder beams, two ends of each cross beam are hinged with a first ladder beam and a second ladder beam, a first through groove is formed in the free end of each first ladder beam, first through holes are formed in the two ends of each first through groove, first protrusions matched with the first through grooves are formed in the free ends of each second ladder beam, second through holes are formed in the first protrusions, first pulleys are arranged in the second through holes, the axes of the first pulleys are vertical to the axes of the second through holes, steel ropes are arranged on the first pulleys, and second pulleys are arranged on the steel ropes; the bridge is arranged among the four cross beams and positioned at the end parts of the cross beams; the tread is arranged between two adjacent first step beams and two adjacent second step beams, and the bridge deck is arranged between two bridges.

The working principle of the basic scheme is as follows: when constructing the pavement in this scheme, because first ladder roof beam and second ladder roof beam all articulate with the crossbeam, so first ladder roof beam, second ladder roof beam and crossbeam are in the same place after can placing on ground horizontally, and first ladder roof beam and second ladder roof beam can also reverse upwards rotate and contact each other, and first ladder roof beam, second ladder roof beam and crossbeam form triangle-shaped each other this moment. In this scheme, be equipped with first logical groove on the free end of first ladder roof beam, be equipped with first arch on the free end of second ladder roof beam, so when first ladder roof beam offsets with the second ladder roof beam, first arch can insert first logical inslot and make first through-hole and second through-hole align, simultaneously, be equipped with the steel cable on the first pulley, the steel cable is located the bridge deck directly over this moment, be equipped with the second pulley on the steel cable, so first ladder roof beam, second ladder roof beam, the crossbeam, first pulley, steel cable and second pulley just form a hoist device, the construction worker can use the second pulley to hoist and mount bridge deck to transport corresponding position with the bridge deck, be convenient for install. After the bridge deck is completely installed, the steel ropes are disassembled, the first step beam and the second step beam are placed on the ground, the cross beam and the bridge are lifted upwards by using a lifting machine at last, an included angle is formed between the first step beam and the second step beam and the cross beam gradually, the first step beam and the second step beam are fixed on the ground, and the ladder face is erected finally.

The beneficial effect of this basic scheme lies in: 1. the first step beam, the second step beam and the cross beam in the scheme do not need to be erected on a construction site, and can be transported to the construction site after being erected in advance, so that the time for occupying public road resources is reduced. Meanwhile, when the bridge deck is paved in the prior art, because the single area of the bridge deck is small, large-scale apparatuses are not easy to carry, the bridge deck is generally carried manually by construction workers, and the bridge deck has the advantages of high labor intensity, low efficiency and low safety. In this scheme, but first ladder roof beam, second ladder roof beam, crossbeam, first pulley, steel cable and second pulley have formed a hoist device, use the second pulley can upwards draw up the decking, use first pulley can make the steel cable remove and then make the decking remove in the horizontal direction to this carries the decking, and this mode is simple, laborsaving, swift, can further reduce the time of construction. 2. The pavement in the prior art is built gradually from bottom to top, time and labor are wasted, in the scheme, the bridge deck can be directly built on the ground, and finally the whole pavement is lifted and formed by using the hoisting machinery, so that the construction difficulty and the construction time are greatly reduced.

The first preferred scheme is as follows: as the preference of basic scheme, the both ends of crossbeam all are equipped with the second through-hole, the one end that is close to the crossbeam on first ladder roof beam and the second ladder roof beam is equipped with the second arch, be equipped with the third through-hole in the second through-hole, be equipped with the fourth through-hole in the second arch, third through-hole and fourth through-hole align, the downthehole level of fourth is equipped with first recess, and third through-hole and the downthehole rotation of fourth are connected with the spliced pole, and the both ends of spliced pole can be dismantled and be equipped with spacing post, be equipped with the second recess on the lateral wall of spliced pole, be equipped with the spring in the second recess, be equipped with the stopper on the spring. In this scheme, the second arch of first ladder roof beam and second ladder roof beam can insert in the second through-hole of crossbeam, and third through-hole and fourth through-hole align and rotate and be connected with the spliced pole to this realizes the articulated of first ladder roof beam and second ladder roof beam and crossbeam. In this scheme, be equipped with the second recess on the spliced pole, be equipped with the stopper in the second recess, be equipped with first recess on the fourth through-hole, so when first recess and second recess align, the stopper will pop out and insert in first recess under the effect of spring, first ladder roof beam, second ladder roof beam just can be fixed with the crossbeam this moment, so when using hoisting machinery to rise the crossbeam after to certain height, first ladder roof beam, second ladder roof beam just can be automatic fixed with the crossbeam, has improved the overall stability of pavement.

And a second preferred scheme is as follows: preferably, as a first preferred aspect, a third groove is formed in the second protrusion, the third groove is communicated with the first groove, and the length of the third groove is the same as that of the first groove. After the pavement is erected, the third groove is sealed by using the welding machine, when the pavement is required to be disassembled, the third groove is only required to be restarted, tools such as a crow bar and the like are used for being inserted into the first groove from the third groove, the limiting block is pushed back into the second groove, and the first step beam and the second step beam can rotate relative to the cross beam, so that the pavement is convenient to disassemble.

And a preferred scheme III: the bridge pier is positioned below the cross beam. By adopting the scheme, the bridge pier can be used for lifting the cross beam and the bridge, and the bridge pier is embedded under the ground, so that the bridge deck is not influenced.

The preferable scheme is as follows: as the preference of basic scheme, still include the bridge face roof beam, the both ends of bridge face roof beam set up respectively on four crossbeams and parallel with the bridge. The bridge face beam is arranged to share the bearing pressure of the bridge, so that the whole bearing capacity of the pavement is improved.

The preferable scheme is as follows: as the optimization of the optimization scheme IV, the bridge is provided with a third bulge, the third bulge is in a round table shape, the area of the upper end face of the third bulge is smaller than that of the lower end face of the third bulge, and the bottom of the bridge deck is provided with a fourth groove matched with the third bulge. By adopting the scheme, when the fourth groove of the bridge deck is combined with the third bulge, the bridge deck is relatively fixed with the bridge in the horizontal direction. Meanwhile, the steel structure has the defect of corrosion resistance, so after the pavement is used for a long time, most of the insertion parts are easy to corrode and deform, so that the pavement cannot be disassembled.

The preferable scheme is as follows: as a fifth preferable mode, a fourth protrusion is arranged at the top of one end of the bridge deck, a fifth groove is arranged at the bottom of the other end of the bridge deck, and the fourth protrusion and the fifth groove are matched with each other. By adopting the scheme, adjacent bridge decks can be spliced together.

A preferred scheme is as follows: as the preference of basic scheme, be equipped with the guardrail on the bridge. The guardrail can guarantee pedestrian's safety.

Drawings

FIG. 1 is a schematic view of a steel structure pavement according to an embodiment;

FIG. 2 is a schematic view of the structure of the first ladder beam, cross beam and connecting column ends;

FIG. 3 is a cross-sectional view of the connecting post of FIG. 2;

FIG. 4 is a cross-sectional view of the first step beam of FIG. 2;

FIG. 5 is a schematic view of the construction of the first step beam and the second step beam ends;

FIG. 6 is a schematic view of the first protrusion of FIG. 5;

fig. 7 is a schematic structural view of the deck slab.

Detailed Description

The invention is described in further detail below by way of specific embodiments:

reference numerals in the drawings of the specification include: the bridge comprises a first ladder beam 1, a second ladder beam 2, a cross beam 3, a bridge 4, a ladder face 5, a bridge deck plate 6, a connecting column 7, a first through groove 8, a first through hole 9, a first bulge 10, a second through hole 11, a first pulley 12, a second through groove 13, a second bulge 14, a third through hole 15, a fourth through hole 16, a first groove 17, a limiting block 18, a third groove 19, a limiting column 20, a fourth groove 21, a fourth bulge 22, a fifth groove 23, a second groove 24, a spring 25, a bridge deck beam 26 and a bridge pier 27.

As shown in fig. 1, the steel structure pavement of the embodiment comprises a pavement, two bridges 4, four cross beams 3, a plurality of tread 5 and a plurality of bridge decks 6, and further comprises a telescopic pier 27 embedded in the ground. As shown in fig. 2, 3 and 4, the ladder way comprises four first ladder beams 1 and four second ladder beams 2, and two ends of each of the four cross beams 3 are hinged with one first ladder beam 1 and one second ladder beam 2. The two ends of the cross beam 3 are both provided with second through grooves 13, one ends of the first step beam 1 and the second step beam 2, which are close to the cross beam 3, are provided with second protrusions 14, third through holes 15 are arranged in the second through grooves 13, fourth through holes 16 are arranged in the second protrusions 14, and the third through holes 15 and the fourth through holes 16 are aligned. The fourth through hole 16 is internally and horizontally provided with a first groove 17, the third through hole 15 and the fourth through hole 16 are rotationally connected with a connecting column 7, two ends of the connecting column 7 are in threaded connection with a limit column 20, the side wall of the connecting column 7 is provided with a second groove 24, the second groove 24 is internally provided with a spring 25, and the spring 25 is provided with a limit block 18. The second protrusion 14 is provided with a third groove 19, the third groove 19 is communicated with the first groove 17, the length of the third groove 19 is the same as that of the first groove 17, and the width of the third groove 19 is smaller than that of the first groove 17. As shown in fig. 5 and 6, a first through groove 8 is formed in the free end of the first step beam 1, first through holes 9 are formed in two ends of the first through groove 8, a first protrusion 10 matched with the first through groove 8 is formed in the free end of the second step beam 2, a second through hole 11 is formed in the first protrusion 10, the second through hole 11 can be aligned with the first through hole 9, a first pulley 12 is arranged in the second through hole 11, the annular side wall of the first pulley 12 is aligned with the second through hole 11 and is vertically arranged, a steel rope is arranged on the first pulley 12, and a second pulley is arranged on the steel rope. The bridge 4 is vertically arranged between the four cross beams 3 and positioned at the end parts of the cross beams 3, and the bridge 4 is provided with guardrails. Two bridge deck beams 26 are arranged on the four cross beams 3, and the two bridge deck beams 26 are respectively positioned at 1/5 and 4/5 of the length of the cross beams 3. The tread 5 is arranged between two adjacent first step beams 1 and between two adjacent second step beams 2. As shown in fig. 7, the bridges 4 are provided with third protrusions, the third protrusions are in a truncated cone shape, the area of the upper end face of each third protrusion is smaller than that of the lower end face, fourth grooves 21 matched with the third protrusions are formed in the bottoms of the bridge panels 6, the bridge panels 6 are arranged between the two bridges 4, fourth protrusions 22 are arranged at the tops of the front ends of the bridge panels 6, fifth grooves 23 are formed in the bottoms of the rear ends of the bridge panels 6, and the fourth protrusions 22 of the previous bridge panels 6 are inserted into the fifth grooves 23 of the next bridge panel 6.

The specific implementation method comprises the following steps: 1. the telescopic bridge piers 27 are embedded under the bottom surfaces of the two sides of the road. 2. The second bulges 14 on the first ladder beam 1 and the second ladder beam 2 are inserted into the second through grooves 13 at two ends of the same cross beam 3, the connecting column 7 is inserted into the third through hole 15 and the fourth through hole 16 to enable the connecting column 7 to penetrate through the second bulges 14 and the second through grooves 13, and then the limit column 20 is connected with two ends of the connecting column 7 in a threaded mode, so that the first ladder beam 1, the second ladder beam 2 and the cross beam 3 are hinged, and the first ladder beam 1, the second ladder beam 2 and the cross beam 3 form a ladder group together. 3. Two groups of steps are respectively arranged on two sides of the highway, the steps are flatly arranged on the ground, and the cross beam 3 of each step is positioned right above the bridge pier 27. Two bridges 4 are welded to both ends of the cross beam 3, respectively, and then bridge face beams 26 are welded to 1/5 and 4/5 of the cross beam 3. 4. The free ends of the first step beam 1 and the second step beam 2 are lifted up using a lifting means and the first protrusions 10 are inserted into the first through grooves 8, and the steel ropes are passed through the first through holes 9 and the second through holes 11 and simultaneously connected to all the first pulleys 12. 5. The bridge deck 6 is transported using a second pulley on the steel rope, with the fourth groove 21 on the bridge deck 6 inserted into the third protrusion on the bridge 4 and the fourth protrusion 22 of the previous bridge deck 6 inserted into the fifth groove 23 of the next bridge deck 6. 6. After all bridge decks 6 are erected, the steel ropes are taken out, the first step beam 1 and the second step beam 2 are placed on the ground horizontally, then all cross beams 3 and bridges 4 are jacked up simultaneously by using a hoisting device until limiting blocks 18 on connecting columns 7 are inserted into first grooves 17 of the first step beam 1 and the second step beam 2, then the first step beam 1 and the second step beam 2 are fixed on the ground, and third grooves 19 of the first step beam 1 and the second step beam 2 are welded. 7. A tread 5 is erected between two adjacent first step beams 1 and two adjacent second step beams 2, while a guardrail is installed on the bridge 4.

The foregoing is merely exemplary embodiments of the present invention, and specific structures and features that are well known in the art are not described in detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present invention, and these should also be considered as the scope of the present invention, which does not affect the effect of the implementation of the present invention and the utility of the patent.

Claims

1. The utility model provides a steel construction pavement, includes bench, two bridges, four crossbeams, a plurality of tread and a plurality of decking, four the crossbeam sets up side by side, and the both ends of two bridges set up respectively at the tip of crossbeam and perpendicular with the crossbeam, and two bridges are parallel to each other, the decking sets up between two bridges and the length of decking is less than the length of crossbeam, its characterized in that: the stair path comprises four first ladder beams and four second ladder beams, the stair surfaces are arranged between two adjacent first ladder beams and two adjacent second ladder beams, two ends of each cross beam are hinged with one first ladder beam and one second ladder beam, one end of each cross beam is hinged with one end of each first ladder beam and one end of each second ladder beam, a first through groove is formed in the free end of each first ladder beam, first through holes are formed in two ends of each first through groove, first protrusions matched with the first through grooves are formed in the free ends of each second ladder beam, second through holes are formed in the first protrusions, first pulleys are arranged in the second through holes, the axes of the first pulleys are vertical to the axes of the second through holes, steel ropes are arranged on the first pulleys, the second pulleys are arranged on the steel ropes, when the first ladder beams and the second ladder beams are abutted, the first protrusions can be inserted into the first through grooves and enable the first through holes to be aligned with the second through holes, and the first ladder beams, the first side beams, the second ladder beams, the second side beams and the second bridge plates are abutted against each other, and the first bridge plates are formed.

2. A steel structured walkway as set forth in claim 1 wherein: the utility model discloses a novel energy-saving elevator beam, including crossbeam, first ladder beam, second ladder beam, spring, stopper, connecting column, first through-hole, second through-hole, third through-hole and fourth through-hole are all equipped with the second through-slot at the both ends of crossbeam, the one end that is close to the crossbeam on first ladder beam and the second ladder beam is equipped with the second arch, be equipped with the third through-hole in the second through-slot, be equipped with the fourth through-hole in the second arch, third through-hole and fourth through-hole align, the level is equipped with first recess in the fourth through-hole, and third through-hole and fourth through-hole are downthehole to rotate and are connected with the spliced pole, and the spacing post can be dismantled at the both ends of spliced pole, be equipped with the second recess on the lateral wall of spliced pole, be equipped with the spring in the second recess, be equipped with the stopper on the spring.

3. A steel structured walkway as set forth in claim 2 wherein: the second bulge is provided with a third groove, the third groove is communicated with the first groove, and the length of the third groove is the same as that of the first groove.

4. A steel structured walkway as set forth in claim 1 wherein: the bridge pier is positioned below the cross beam.

5. A steel structured walkway as set forth in claim 1 wherein: the bridge deck girder comprises four cross beams, wherein the two ends of the bridge deck girder are respectively arranged on the four cross beams and are parallel to the bridge.

6. A steel structure walkway as set forth in claim 5 wherein: the bridge is provided with a third bulge which is in a truncated cone shape, the area of the upper end face of the third bulge is smaller than that of the lower end face of the third bulge, and the bottom of the bridge deck is provided with a fourth groove matched with the third bulge.

7. A steel structured walkway as set forth in claim 6 wherein: the top of one end of the bridge deck is provided with a fourth bulge, the bottom of the other end of the bridge deck is provided with a fifth groove, and the fourth bulge is matched with the fifth groove.

8. A steel structured walkway as set forth in claim 1 wherein: and a guardrail is arranged on the bridge.