CN115262362A - Full-hall type steel trestle and construction method thereof - Google Patents
Full-hall type steel trestle and construction method thereof Download PDFInfo
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- CN115262362A CN115262362A CN202210886891.XA CN202210886891A CN115262362A CN 115262362 A CN115262362 A CN 115262362A CN 202210886891 A CN202210886891 A CN 202210886891A CN 115262362 A CN115262362 A CN 115262362A
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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
- E01D6/00—Truss-type 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
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
- E01D19/125—Grating or flooring for 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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- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
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Abstract
The invention discloses a full-hall type steel trestle which is used for communicating each hydraulic building of a port and comprises a steel pipe pile foundation, a lower cross beam, a Bailey beam, an upper cross beam, a bridge deck, an upper longitudinal beam and a lower longitudinal beam, wherein the pair of upper longitudinal beams and the pair of lower longitudinal beams synchronously extend along the extension direction of the steel trestle. A construction method of a full-hall type steel trestle comprises the following steps: s1, the front end of an operation platform is connected with a guide frame through an upper longitudinal beam and a lower longitudinal beam; s2, moving the guide frame to a preset position of a stage to be installed, positioning the steel pipe pile through the guide frame by a crawler crane, and then sinking and fixing the steel pipe pile; s3, cutting the steel pipe pile with the redundant length, controlling to enable the distance between the pair of guide frames to be expanded to the minimum distance, and sliding to enable the guide frame to be separated from the steel pipe pile; and S4, repeating the steps S2 to S3 to finish the construction of the rest stages. The invention has the advantages that the steel trestle and the guide frame are arranged in a sliding connection manner, the disassembly and assembly procedures of the guide frame are weakened, and the construction efficiency is improved.
Description
Technical Field
The invention relates to the technical field of port construction. More particularly, the invention relates to a full hall type steel trestle and a construction method thereof.
Background
The port hydraulic structure is an important component of a port, generally comprises a breakwater lift, a pilot dike, a wharf and a pilot bridge for connecting the pilot dike and the wharf, and is constructed by taking an overwater ship as a main part and using land equipment as an auxiliary part in the conventional way.
At present, a steel trestle is usually erected to serve as a temporary construction channel, and the construction on water is changed into land construction. The existing steel trestle takes a steel pipe pile as a foundation support, and is provided with a Bailey beam, a bridge deck and the like in a matching way. In the steel-pipe pile work progress, set up the leading truck earlier, the steel-pipe pile is inserted and is beaten the completion back, the steel-pipe pile of unnecessary length of operation personnel cutting, the welding pile cap, then demolish the leading truck, the installation of auxiliary device carries out, after the installation is accomplished, set up the leading truck once more and carry out the installation of next stride, it has needs dismouting leading truck many times, lead to the loaded down with trivial details problem of construction, how to provide a steel trestle, make it match in the leading truck, weakening leading truck dismouting procedure, the efficiency of construction is improved, be the problem that at present urgently needs to solve.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
Still another object of the present invention is to provide a full hall type steel trestle which is matched with a guide frame, thus weakening the guide frame disassembly and assembly process and improving the construction efficiency.
Still another object of the present invention is to provide a construction method of a full hall type steel trestle, which weakens a procedure of assembling and disassembling a guide frame and improves construction efficiency.
To achieve these objects and other advantages and in accordance with the purpose of the invention, there is provided a full hall type steel trestle for connecting hydraulic structures in ports, comprising a steel pipe pile foundation, a lower beam disposed on top of the steel pipe pile foundation, beret beams disposed on both ends of the lower beam in a transverse direction, upper beams disposed along longitudinal direction of the beret beams at intervals, and a bridge deck disposed on top of the upper beams, wherein:
the steel trestle bridge is characterized in that a pair of upper longitudinal beams are arranged on the bottom surface of the upper cross beam at intervals in the transverse direction, a pair of lower longitudinal beams are arranged on the top surface of the lower cross beam at intervals in the transverse direction, and the pair of upper longitudinal beams and the pair of lower longitudinal beams extend in the extension direction of the steel trestle bridge synchronously.
A construction method of a full-hall type steel trestle comprises the following steps:
s1, adopt the steel trestle to accomplish the stage as work platform, set up the track loop wheel machine on it, wherein, work platform front end is through a pair of longeron and a pair of longeron slip fixedly connected with leading truck down, the leading truck includes:
the sliding assembly is fixedly connected with the pair of upper longitudinal beams and the pair of lower longitudinal beams in a sliding mode;
the extension assembly is fixedly connected with the pair of sliding assemblies and comprises a plurality of longitudinal beams arranged at intervals along the transverse direction and reinforcing beams fixedly arranged among the longitudinal beams;
the guide assembly comprises a pair of guide frames which can longitudinally slide along the steel trestle and can be positioned at the front ends of the longitudinal beams, wherein the guide frames are provided with guide holes, and when the distance between the pair of guide frames is expanded to a preset distance, the pair of guide holes form positioning guide for the steel pipe pile to be hoisted; when the distance between the pair of guide frames is shortened to the minimum distance, the guide assembly is arranged along the length of the steel trestle in the width direction and freely penetrates through the middle space of the steel trestle;
s2, moving the guide frame to a preset position of a stage to be installed, fixedly connecting the sliding assembly with the pair of upper longitudinal beams and the pair of lower longitudinal beams to position the guide frame, controlling the distance between the pair of guide frames to be expanded to a preset distance, hoisting the steel pipe pile by the crawler crane to position the steel pipe pile through the guide hole, and then sinking and fixing the steel pipe pile;
s3, cutting the steel pipe pile with the redundant length, controlling the distance between the pair of guide frames to be expanded to the minimum distance, removing the fixed connection between the sliding assembly and the pair of upper longitudinal beams and the pair of lower longitudinal beams to slide to enable the guide frame to be separated from the steel pipe pile, and sequentially installing the lower cross beam, the Bailey beam, the upper cross beam, the bridge deck, the upper longitudinal beams and the lower longitudinal beams;
and S4, repeating the steps S2 to S3 to finish the construction of the rest stages.
Preferably, the outer side surfaces of the upper longitudinal beam and the lower longitudinal beam are both provided with a first sliding groove in a concave manner, and the bottom side surface of the first sliding groove is provided with a second sliding groove in a concave manner;
the sliding assembly includes:
the pair of sliding frames are respectively in sliding connection with the upper longitudinal beam and the lower longitudinal beam which are positioned on the same side, each sliding frame comprises a connecting frame, an upper sliding unit arranged at the top of the connecting frame and a lower sliding unit arranged at the bottom of the connecting frame, the lower sliding unit and the upper sliding unit which correspond to each connecting frame respectively comprise at least two sliding units arranged along the longitudinal interval, each upper sliding unit and each lower sliding unit respectively comprise a first pulley matched with the corresponding first sliding chute and a second pulley matched with the corresponding second sliding chute, wherein at least two jacking mechanisms are fixedly connected to the lower part of the connecting frame along the longitudinal interval, the jacking mechanisms are shortened to enable the second pulleys to be matched and slide in the second sliding chutes, the jacking mechanisms extend to enable the bottom ends of the jacking mechanisms to abut against the lower longitudinal beam and drive the connecting frame to move upwards to enable the top ends of the connecting frame to abut against the upper longitudinal beam;
the connecting rods are arranged at intervals along the same plane and penetrate through the connecting frames, the penetrating end of each connecting rod is fixed through a nut, and the longitudinal beam is fixedly connected with the connecting rods.
Preferably, the number of the longitudinal beams is 4, and the reinforcing beams and the connecting rods are arranged at intervals along the longitudinal direction of the longitudinal beams.
Preferably, each guide frame comprises a pair of guide plates which are arranged at intervals up and down, an upper guide hole and a lower guide hole which are coaxially arranged penetrate through the pair of guide plates, and the upper guide hole and the lower guide hole form a guide hole;
two sliding rods are arranged on each guide plate at intervals in the longitudinal direction of the longitudinal beam, each sliding rod is connected with the longitudinal beam in a transverse sliding mode, the longitudinal beam is clamped between the sliding rods corresponding to each guide frame, the sliding rods corresponding to the pair of guide frames are arranged in a staggered mode in the longitudinal direction of the longitudinal beam, when the pair of guide frames are driven by the sliding rods to expand to a preset distance and shorten to a minimum distance, the sliding rods are fixedly connected with the longitudinal beam in a detachable mode.
Preferably, the method further comprises the following steps:
the fixed frame of the upper connecting plate is arranged at the top ends of the two longitudinal beams in the middle and is in sliding connection with the sliding rod positioned below the upper connecting plate;
the bottom of two longerons in middle part is located to lower connecting plate, its mount, and with be located the slide bar sliding connection of its top.
Preferably, a baffle is arranged between one side of each guide plate opposite to the longitudinal beam, a telescopic cylinder is arranged on the longitudinal beam adjacent to the baffle, and the output end of the telescopic cylinder is connected with the baffle so as to drive the guide frame to move through the baffle.
Preferably, the tie rod is secured through a plurality of spaced apart stringers.
The invention at least comprises the following beneficial effects:
sliding connection sets up steel landing stage, leading truck, and the reduction leading truck dismouting procedure improves the efficiency of construction, and is specific:
the lower cross beam and the upper cross beam are connected along the longitudinal direction through the arrangement of the upper longitudinal beam and the lower longitudinal beam, so that the stability of the device is improved, and meanwhile, the guide frame is arranged in a matched manner in the construction process to provide sliding installation for the guide frame;
the sliding assembly is arranged to realize two-stage fixation of the guide frame relative to the steel trestle along the vertical direction and the horizontal direction by matching the jacking mechanism with the connecting rod, and further, the connecting rod is matched with the reinforcing beam to realize fixation of the longitudinal beam;
the scalable setting of direction subassembly satisfies the extension direction, and the shrink is accomodate and then is removed the function.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic structural diagram of a full hall type steel trestle according to one embodiment of the present invention;
fig. 2 is an exploded structural schematic diagram of a steel trestle according to one embodiment of the present invention;
fig. 3 is a schematic structural diagram of the full hall type steel trestle according to one embodiment of the present invention;
fig. 4 is a schematic cross-sectional structure view of the full hall type steel trestle according to one embodiment of the present invention;
fig. 5 is a schematic structural diagram of a guide frame according to one embodiment of the present invention;
fig. 6 is an enlarged structural view of a portion a in fig. 4 according to the present invention.
The reference signs are: a crawler crane 1; a steel pipe pile 2; a lower cross member 20; a Bailey beam 21; an upper cross member 22; a bridge deck 23; an upper longitudinal beam 3; an upper abutting portion 30; a first chute 31; a second chute 32; a side sill 4; a lower abutment 40; a carriage 5; a connecting frame 50; a first pulley 51; a second pulley 52; a jacking mechanism 53; a connecting rod 6; a longitudinal beam 7; a reinforcing beam 70; a guide plate 80; a guide hole 81; an upper guide hole 82; a lower guide hole 83; a baffle 84; a slide bar 85; an upper connecting plate 9; a lower connecting plate 90; a connecting base 91.
Detailed Description
The present invention is further described in detail below with reference to examples so that those skilled in the art can practice the invention with reference to the description.
As shown in fig. 1-3, the present invention provides a full hall type steel trestle for connecting each hydraulic structure of a port, for example, for a port including a breakwater, a jetty, a dock, and a jetty for connecting the jetty and the dock, the steel trestle is configured to connect the breakwater, the jetty, the dock, and the jetty, and the steel trestle is used as a construction access and a platform of each hydraulic structure, and the construction on water is changed into onshore construction;
full hall formula steel trestle includes:
the steel pipe pile foundation is a steel pipe pile group consisting of a plurality of steel pipe piles 2, the bottom end of the steel pipe pile group is embedded in the water bottom, preferably, in order to increase the overall stability of the steel pipe pile group, the adjacent steel pipe piles 2 along the transverse direction are connected, and the connection relation between the steel pipe piles 2 along the longitudinal direction is determined according to actual conditions;
a lower beam 20 arranged at the top end of the steel pipe pile foundation, wherein the lower beam 20 comprises a plurality of lower beams arranged at intervals along the longitudinal direction of the steel trestle, each lower beam 20 is used for connecting the steel pipe piles 2 along the transverse direction of the steel trestle (note: the extending direction of the steel trestle, namely the passing direction, is the longitudinal direction, the direction vertical to the extending direction is the transverse direction, and the following description on the transverse direction and the longitudinal direction of each component is the same)
A beret beam 21 including a pair provided at both ends of the lower cross member 20 in the transverse direction;
a plurality of upper cross members 22 arranged at intervals in the longitudinal direction of the beret beam 21, the plurality of upper cross members 22 being provided at the top ends of a pair of the beret beams 21 arranged oppositely;
a bridge deck 23 laid on the top end of the upper beam 22;
the bottom surface of the upper cross beam 22 is provided with a pair of upper longitudinal beams 3 at intervals along the transverse direction, the top surface of the lower cross beam 20 is provided with a pair of lower longitudinal beams 4 at intervals along the transverse direction, and the pair of upper longitudinal beams 3 and the pair of lower longitudinal beams 4 synchronously extend along the extension direction of the steel trestle. By adopting the technical scheme, the pair of upper longitudinal beams 3 and the pair of lower longitudinal beams 4 are respectively connected with the lower cross beam 20 and the upper cross beam 22 along the longitudinal direction, and the pair of upper cross beams 22 and the pair of lower longitudinal beams 4 are matched with a guide frame in the construction process to provide sliding installation for the guide frame, specifically:
the outer side surfaces of the upper longitudinal beam 3 and the lower longitudinal beam 4 are both provided with a first sliding chute 31 in a concave manner, the bottom side surface of the first sliding chute 31 is provided with a second sliding chute 32 in a concave manner, and the first sliding chute 31 and the second sliding chute 32 both extend along the extending direction of the steel trestle;
as shown in fig. 4 to 6, the guide frame includes:
(1) the sliding assembly is fixedly connected with the pair of upper longitudinal beams 3 and the pair of lower longitudinal beams 4 in a sliding mode, and comprises:
a pair of sliding frames 5, the pair of sliding frames 5 are slidably connected to the upper longitudinal beam 3 and the lower longitudinal beam 4 on the same side, respectively, each sliding frame 5 includes a connecting frame 50, an upper sliding unit disposed on the top (top of the inner side surface) of the connecting frame 50, and a lower sliding unit disposed on the bottom (inner side surface) of the connecting frame 50, each lower sliding unit and upper sliding unit corresponding to each connecting frame 50 includes at least two sliding units disposed at intervals in the longitudinal direction, each upper sliding unit and each lower sliding unit includes a first pulley 51 matched with the corresponding first sliding groove 31 and a second pulley 52 matched with the corresponding second sliding groove 32, wherein the top side of the first sliding groove 31 of the upper longitudinal beam 3 extends in the direction away from the upper longitudinal beam 3 relative to the bottom side thereof to form an upper abutting portion 30, the bottom side of the first sliding groove 31 of the lower longitudinal beam 4 extends and is recessed with the lower abutting portion 40, the lower abutting portion 40 of the lower longitudinal beam 4 is located outside the second sliding groove 32, the lower portion of the connecting frame 50 is fixedly connected to at least two jacking mechanisms 53 fixedly connected to the upper longitudinal beam 53 along the longitudinal direction, when the jacking mechanism 53 makes the lower abutting portion 40 separate from the lower abutting portion 40, the upper sliding portion, the jacking mechanism 53 is connected to the upper longitudinal beam 3, and the upper sliding mechanism is connected to the upper sliding mechanism 50, and the second jacking mechanism 50;
the connecting rods 6 are arranged at intervals along the same horizontal plane and penetrate through the connecting frames 50, the penetrating end of each connecting rod 6 is fixed through a nut, namely the relative distance between the connecting frames 50 is limited through the connecting rods 6, in the sliding process, the second pulley 52 is limited to slide in the second sliding groove 32 in a matching mode, meanwhile, the first pulley 51 is arranged in the first sliding groove 31 in a matching mode, derailment is avoided, when the guide frame is fixed, the distance between the guide frame and the guide frame is further shortened, and secondary fixing of the sliding assembly relative to the steel trestle is achieved;
(2) the extension assembly is fixedly connected with the pair of sliding assemblies, the extension assembly comprises a plurality of longitudinal beams 7 arranged at intervals along the transverse direction and reinforcing beams 70 fixedly arranged among the longitudinal beams 7, the reinforcing beams 70 are used for connecting the longitudinal beams 7, the longitudinal beams 7 are fixedly connected with the connecting rod 6, so that the extension assembly is fixedly connected with the pair of sliding assemblies, preferably, the connecting rod 6 fixedly penetrates through the longitudinal beams 7 arranged at intervals, and the fixing mode can be welding;
further preferably, the number of the longitudinal beams 7 is 4, the longitudinal beams are symmetrically arranged along the transverse direction, and the reinforcing beams 70 and the connecting rods 6 are arranged at intervals along the longitudinal direction of the longitudinal beams 7, so that the stability of the whole device is improved;
(3) the guide assembly comprises a pair of guide frames which can slide transversely along the steel trestle and can be positioned at the front ends of the longitudinal beams 7, wherein each guide frame comprises a pair of guide plates 80 which are arranged at intervals up and down, an upper guide hole 82 and a lower guide hole 83 which are coaxially arranged penetrate through the pair of guide plates 80, and the upper guide hole 82 and the lower guide hole 83 form a guide hole 81;
when the distance between the pair of guide frames is expanded to a preset distance, the pair of guide holes 81 form positioning guide for the steel pipe pile 2 to be hoisted; when the distance between the pair of guide frames is shortened to the minimum distance, the guide assembly is arranged along the length of the steel trestle in the width direction and freely penetrates through the middle space of the steel trestle;
preferably, two sliding rods 85 are arranged on each guide plate 80 at intervals along the longitudinal direction of the longitudinal beam 7, each sliding rod 85 is connected with the longitudinal beam 7 in a transverse sliding mode, the longitudinal beam 7 is clamped between the sliding rods 85 corresponding to each guide frame, the sliding rods 85 corresponding to a pair of guide frames are arranged in a staggered mode along the longitudinal direction of the longitudinal beam 7, when a pair of guide frames are driven by the sliding rods 85 to expand to a preset distance and shorten to a minimum distance, the sliding rods 85 are detachably and fixedly connected with the longitudinal beam 7, specifically, fixed screw holes are formed in the longitudinal beam 7, first movable screw holes and second movable screw holes are arranged on the sliding rods 85 at intervals, when the distance between a pair of guide frames is expanded to the preset distance, the first movable screw holes are arranged corresponding to the fixed screw holes, and when the distance between a pair of guide frames is expanded to the minimum distance, the second movable screw holes are arranged corresponding to the fixed screw holes.
In another aspect, the guide frame further comprises:
the fixed frame of the upper connecting plate 9 is arranged at the top ends of the two longitudinal beams 7 in the middle part and is connected with the sliding rod 85 positioned below the upper connecting plate in a sliding way;
and the lower connecting plate 90 is provided with a fixed frame at the bottom ends of the two longitudinal beams 7 in the middle part, and is in sliding connection with the sliding rod 85 positioned above the lower connecting plate. Specifically, upper junction plate 9, lower connecting plate 90 locate and lie in between a pair of longeron 7 at middle part, upper junction plate 9, lower connecting plate 90 are connected through connecting seat 91 rather than corresponding between the longeron 7 of both sides, adopt this kind of scheme, further improve the gliding stability of integrated device.
In another technical scheme, a baffle 84 is arranged between one side of each of the pair of guide plates 80 opposite to the longitudinal beam 7, a telescopic cylinder is arranged on the longitudinal beam 7 adjacent to the baffle 84, and the output end of the telescopic cylinder is connected with the baffle 84 so as to drive the guide frame to move through the baffle 84. By adopting the scheme, the position of the guide frame is controlled by arranging the pair of telescopic cylinders.
The invention provides a construction method of a full-hall type steel trestle, which comprises the following steps:
s0, supporting is provided through the shoreside, construction of the steel pipe pile 2 at the starting end is achieved, and after the construction is completed, a lower cross beam 20, a Bailey beam 21, an upper cross beam 22, a bridge deck 23, an upper longitudinal beam 3 and a lower longitudinal beam 4 are correspondingly installed;
s1, adopt the steel trestle to accomplish the stage as work platform, set up crawler crane 1 on it, wherein, work platform front end is through a pair of longeron 3 and a pair of longeron 4 slip fixed connection leading truck down, specific:
the pair of sliding frames 5 are arranged in a matching way with the corresponding pair of upper longitudinal beams 3 and the corresponding pair of lower longitudinal beams 4, then the limiting is carried out through the connecting rods 6, the second pulleys 52 are limited to slide in the second sliding grooves 32 in a matching way, meanwhile, the first pulleys 51 are arranged in the first sliding grooves 31 in a matching way, the derailment is avoided, and at the moment, the jacking mechanism 53 is shortened to enable the bottom end of the jacking mechanism to be separated from the lower abutting part 40;
s2, moving the guide frame to a preset position of a stage to be installed, and fixedly connecting the sliding assembly with the pair of upper longitudinal beams 3 and the pair of lower longitudinal beams 4 to position the guide frame, wherein the method specifically comprises the following steps:
the distance between the two connecting frames 50 is reduced by the contraction of the connecting rods 6, and when the proper movement is met;
the jacking mechanism 53 extends to enable the bottom end of the jacking mechanism to be abutted against the lower abutting part 40 of the lower longitudinal beam 4, and continues to extend to drive the connecting frame 50 to move upwards to enable the top end of the connecting frame 50 to be abutted against the upper abutting part 30 of the upper longitudinal beam 3;
the positioning connecting rod 6 is further screwed down to realize the positioning of the guide frame;
s3, controlling the distance between the pair of guide frames to be expanded to a preset distance, wherein the pair of guide holes 81 form positioning guide for the steel pipe pile 2 to be hoisted;
the crawler crane 1 is used for hoisting the steel pipe pile 2 to be positioned through the guide hole 81, and then sinking and fixing the steel pipe pile 2;
s4, cutting the steel pipe pile 2 with the redundant length, wherein after the cutting is finished, the height of the top end of the steel pipe pile 2 is lower than the height of the bottom end of the guide frame;
controlling the distance between the pair of guide frames to be expanded to a minimum distance so that the guide assemblies are arranged along the length of the steel trestle in the width direction and freely penetrate through the middle space of the steel trestle;
dismantling the fixed connection between the sliding assembly and the pair of upper longitudinal beams 3 and the pair of lower longitudinal beams 4 to slide so as to separate the guide frame from the steel pipe pile 2, and specifically: the positioning connecting rod 6 is unscrewed to meet the limit function;
the lift mechanism 53 is shortened so that the top end thereof is disengaged from the upper abutting portion 30 of the upper side member 3 and is abutted thereto, and is further shortened so that the bottom end thereof is disengaged from the lower abutting portion 40 of the lower side member 4;
the lower cross beam 20, the Bailey beam 21, the upper cross beam 22, the bridge deck 23, the upper longitudinal beam 3 and the lower longitudinal beam 4 are sequentially arranged;
and S5, repeating the steps S2 to S4 to complete the construction of the rest stages, and dismantling the guide frame when the final ending work is carried out.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (8)
1. Full hall formula steel trestle, its characterized in that for each hydraulic structure in intercommunication harbour, including the steel-pipe pile basis, locate the bottom end rail on steel-pipe pile basis top, locate the bottom end rail along the bei lei roof beam at transverse direction both ends, along the entablature that bei lei roof beam longitudinal separation set up, lay the decking on entablature top, wherein:
the steel trestle bridge is characterized in that a pair of upper longitudinal beams are arranged on the bottom surface of the upper cross beam at intervals in the transverse direction, a pair of lower longitudinal beams are arranged on the top surface of the lower cross beam at intervals in the transverse direction, and the pair of upper longitudinal beams and the pair of lower longitudinal beams extend in the extension direction of the steel trestle bridge synchronously.
2. The construction method of the full-hall type steel trestle of claim 1, which is characterized by comprising the following steps:
s1, adopt the steel trestle to accomplish the stage as work platform, set up the track loop wheel machine on it, wherein, work platform front end is through a pair of longeron and a pair of longeron slip fixedly connected with leading truck down, the leading truck includes:
the sliding assembly is fixedly connected with the pair of upper longitudinal beams and the pair of lower longitudinal beams in a sliding mode;
the extension assembly is fixedly connected with the pair of sliding assemblies and comprises a plurality of longitudinal beams arranged at intervals along the transverse direction and reinforcing beams fixedly arranged among the longitudinal beams;
the guide assembly comprises a pair of guide frames which can longitudinally slide along the steel trestle and can be positioned at the front ends of the longitudinal beams, wherein the guide frames are provided with guide holes, and when the distance between the pair of guide frames is expanded to a preset distance, the pair of guide holes form positioning guide for the steel pipe pile to be hoisted; when the distance between the pair of guide frames is shortened to the minimum distance, the guide assembly is arranged along the length of the steel trestle in the width direction and freely penetrates through the middle space of the steel trestle;
s2, moving the guide frame to a preset position of a stage to be installed, fixedly connecting the sliding assembly with the pair of upper longitudinal beams and the pair of lower longitudinal beams to position the guide frame, controlling the distance between the pair of guide frames to be expanded to a preset distance, positioning the steel pipe pile through the guide hole by the aid of a crawler crane, and then sinking and fixing the steel pipe pile;
s3, cutting the steel pipe pile with the redundant length, controlling the distance between the pair of guide frames to be expanded to the minimum distance, removing the fixed connection between the sliding assembly and the pair of upper longitudinal beams and the pair of lower longitudinal beams to slide to enable the guide frame to be separated from the steel pipe pile, and sequentially installing the lower cross beam, the Bailey beam, the upper cross beam, the bridge deck, the upper longitudinal beams and the lower longitudinal beams;
and S4, repeating the steps S2 to S3 to finish the construction of the rest stages.
3. The construction method of the full hall type steel trestle according to claim 2, wherein the outer side surfaces of the upper longitudinal beam and the lower longitudinal beam are both provided with a first sliding groove in a concave manner, and the bottom side surface of the first sliding groove is provided with a second sliding groove in a concave manner;
the sliding assembly includes:
the pair of sliding frames are respectively connected with an upper longitudinal beam and a lower longitudinal beam which are positioned on the same side in a sliding manner, each sliding frame comprises a connecting frame, an upper sliding unit arranged at the top of the connecting frame and a lower sliding unit arranged at the bottom of the connecting frame, the lower sliding unit and the upper sliding unit which correspond to each connecting frame respectively comprise at least two sliding units which are arranged at a longitudinal interval, each upper sliding unit and each lower sliding unit respectively comprise a first pulley which is matched with the corresponding first sliding chute and a second pulley which is matched with the corresponding second sliding chute, wherein at least two jacking mechanisms are fixedly connected below the connecting frame along the longitudinal interval, the jacking mechanisms are shortened to enable the second pulleys to be matched and slide in the second sliding chutes, the jacking mechanisms are extended to enable the bottom ends of the jacking mechanisms to abut against the lower longitudinal beams and drive the connecting frames to move upwards to enable the top ends of the connecting frames to abut against the upper longitudinal beams;
the connecting rods are arranged at intervals along the same plane and penetrate through the connecting frames, the penetrating end of each connecting rod is fixed through a nut, and the longitudinal beam is fixedly connected with the connecting rods.
4. The method of constructing a full hall steel trestle as defined in claim 3, wherein the number of the longitudinal beams is 4, and the reinforcing beams are spaced from the connecting rods in the longitudinal direction of the longitudinal beams.
5. The method of constructing a full hall type steel trestle as recited in claim 4, wherein each guide frame comprises a pair of guide plates spaced up and down, and upper and lower guide holes are coaxially formed through the pair of guide plates, and the upper and lower guide holes constitute the guide holes;
the longitudinal direction interval of following on every deflector the longeron sets up two slide bars, every slide bar all with the longeron is along horizontal sliding connection, the longeron presss from both sides and locates between the slide bar that every guide frame corresponds, and the slide bar that corresponds with a pair of guide frame is along the longitudinal direction dislocation set of longeron, wherein, when a pair of guide frame expands to the predetermined distance under the drive of slide bar and shortens to when the minimum distance, the slide bar with can dismantle the rigid coupling between the longeron.
6. The method of constructing a full-hall steel trestle as defined in claim 5, further comprising:
the fixed frame of the upper connecting plate is arranged at the top ends of the two longitudinal beams in the middle and is in sliding connection with the sliding rod positioned below the upper connecting plate;
the bottom of two longerons in middle part is located to lower connecting plate, its mount, and with be located the slide bar sliding connection of its top.
7. The method as claimed in claim 5, wherein a baffle plate is disposed between a pair of guide plates and a side of the longitudinal beam opposite to the longitudinal beam, and a telescopic cylinder is disposed on the longitudinal beam adjacent to the baffle plate, and an output end of the telescopic cylinder is connected to the baffle plate to drive the guide frame to move through the baffle plate.
8. A method of constructing a full-framing steel trestle as defined in claim 4 in which the tie bars are secured across a plurality of spaced-apart longitudinal beams.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210886891.XA CN115262362A (en) | 2022-07-26 | 2022-07-26 | Full-hall type steel trestle and construction method thereof |
| PCT/CN2022/136841 WO2024021426A1 (en) | 2022-07-26 | 2022-12-06 | Fully staged steel trestle and construction method therefor |
| ZA2023/04055A ZA202304055B (en) | 2022-07-26 | 2023-03-31 | Quay type steel jetty and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210886891.XA CN115262362A (en) | 2022-07-26 | 2022-07-26 | Full-hall type steel trestle and construction method thereof |
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| Publication Number | Publication Date |
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| CN115262362A true CN115262362A (en) | 2022-11-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210886891.XA Pending CN115262362A (en) | 2022-07-26 | 2022-07-26 | Full-hall type steel trestle and construction method thereof |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN115262362A (en) |
| WO (1) | WO2024021426A1 (en) |
| ZA (1) | ZA202304055B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024021426A1 (en) * | 2022-07-26 | 2024-02-01 | 中国港湾工程有限责任公司 | Fully staged steel trestle and construction method therefor |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4190112B2 (en) * | 1999-11-01 | 2008-12-03 | 大成建設株式会社 | Construction method of hand-drawn pier |
| JP2004285735A (en) * | 2003-03-24 | 2004-10-14 | Kouchi Marutaka:Kk | Method of constructing temporary landing bridge by using truss frame |
| JP6681148B2 (en) * | 2015-04-10 | 2020-04-15 | 株式会社横山基礎工事 | Bridge construction method, pillars and guide means used in the bridge construction method |
| KR101614253B1 (en) * | 2015-07-17 | 2016-04-20 | 비앤씨컨설턴트(주) | Cantilever construction method of temporary bridge |
| KR101744437B1 (en) * | 2016-02-23 | 2017-06-07 | 이종란 | Construction method of temporary bridge using camber |
| KR102012367B1 (en) * | 2017-05-23 | 2019-10-21 | 김선곤 | Bridge using temporary bridge and construction method |
| CN109629569B (en) * | 2019-01-11 | 2024-01-26 | 中交第二航务工程局有限公司 | Steel pipe pile guide frame structure and construction method |
| CN210134319U (en) * | 2019-05-12 | 2020-03-10 | 中交路桥建设有限公司 | Adopt steel landing stage of assembled concrete bridge deck slab |
| CN112554059B (en) * | 2020-10-27 | 2022-12-27 | 浙江交工集团股份有限公司 | Viaduct ground-crossing parallel bridge pier full combined support and construction method thereof |
| CN113789723A (en) * | 2021-09-03 | 2021-12-14 | 中交基础设施养护集团有限公司 | Construction method of water construction platform of bare inclined rock riverbed without covering layer |
| CN115262362A (en) * | 2022-07-26 | 2022-11-01 | 中国港湾工程有限责任公司 | Full-hall type steel trestle and construction method thereof |
-
2022
- 2022-07-26 CN CN202210886891.XA patent/CN115262362A/en active Pending
- 2022-12-06 WO PCT/CN2022/136841 patent/WO2024021426A1/en unknown
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2023
- 2023-03-31 ZA ZA2023/04055A patent/ZA202304055B/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024021426A1 (en) * | 2022-07-26 | 2024-02-01 | 中国港湾工程有限责任公司 | Fully staged steel trestle and construction method therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| ZA202304055B (en) | 2023-06-28 |
| WO2024021426A1 (en) | 2024-02-01 |
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