WO2018166519A1

WO2018166519A1 - Bridge building device and construction method therefor

Info

Publication number: WO2018166519A1
Application number: PCT/CN2018/079253
Authority: WO
Inventors: 王燏斌
Original assignee: 王燏斌
Priority date: 2017-03-17
Filing date: 2018-03-16
Publication date: 2018-09-20
Also published as: CN106758861A

Abstract

A bridge building device and a construction method therefor. The bridge building device comprises a bridge erecting machine (1), a movement rail (2), a moving crane (3), and a bridge foundation construction device (4). The bridge erecting machine (1) is provided with a rear support (1-1), a middle support (1-2), and a front support (1-3). The bottoms of the rear support (1-1) and the middle support (1-2) are provided with traveling devices (1-1-1, 1-2-1), respectively. The bottom of the front support (1-3) is provided with a traveling device (1-3-1). The traveling devices (1-1-1, 1-2-1) of the rear support (1-1) and the middle support (1-2) operate on an erected beam (8), and the traveling device (1-3-1) of the front support (1-3) operates on the movement rail (2). The front support (1-3) is also provided with a lifting support device (1-3-2) which is supported on piers (7) when the bridge erecting machine (1) performs craning or the movement rail (2) is in operation. The rear end of the movement rail (2) is provided with a rear lifting support device (2-1). The bottom of the rear lifting support device (2-1) is supported on the piers (7). By means of the bridge building device, the bridge foundation (6), the piers (7) and the beam (8) can be constructed. The bridge building device is suitable for constructing the bridge foundation (6) and erecting a bridge; the bridge foundation (6) is prefabricated segment by segment or in a whole and is sunk segment by segment or in a whole, no cofferdam is required, construction is simple, and construction period is short.

Description

Bridge building device and construction method thereof

Technical field

The invention relates to a bridge building device and a construction method thereof, and belongs to the technical field of bridge engineering.

Background technique

1. In the construction of existing cross-river bridges, it is necessary to encircle the rivers and then piling and bridging. The existing cofferdam method generally adopts steel sheet pile cofferdam, which has the problems of large investment, long construction period and difficult construction.

Second, the existing bridge erecting machine can only be used for girders, and foundation and pier construction cannot be carried out.

Summary of the invention

The invention provides a bridge building device and a construction method thereof, the purpose of which is to overcome the defects existing in the prior art, and the main advantages thereof are as follows: 1) the bridge device can construct a bridge foundation, can also install a pier, and can also build a bridge. , construction is fast; 2) The bridge foundation is prefabricated in sections, sinking in sections, without the need for cofferdams, and the construction is simple.

Technical solution of the invention: the bridge building device comprises a bridge machine 1, a moving rail 2, a mobile crane 3 and a bridge foundation construction device 4, and the bridge machine 1 is provided with a rear end support 1-1, a middle support 1-2 and The front end support 1-3, the bottom end support 1-1 and the bottom support 1-2 are respectively provided with a running device 1-1-1 and a walking device 1-2-1, and a bottom portion of the front end support 1-3 is provided with a running device 1-3-1, the traveling device 1-1-1 and the traveling device 1-2-1 are operated on the erected beam, the traveling device 1-3-1 is operated on the moving rail 2, and the front end support 1-3 is further provided. There is a lifting support device 1-3-2, a crane 1-4 provided on the upper part of the bridge machine 1, and the lifting support device 1-3-2 is supported on the pier when the bridge machine 1 is hoisting or when the moving rail 2 is running; The function of the bridge machine 1 is: one is the frame beam; the other is to lift the foundation or pier from the erected beam to the front end of the framed beam; the rear end of the moving track 2 is provided with the rear end lifting support device 2-1, the bottom of the rear end lifting support device 2-1 is supported on the pier; the front end of the moving rail 2 is provided with a front end lifting support device 2-2, and the bottom of the front end lifting support device 2-2 is supported on the ground or the bottom; When the moving rail 2 moves, the rear end lifting support device 2-1 is disengaged from the bridge pier, the front end lifting support device 2-2 is separated from the ground or the bottom of the water, and the middle portion of the moving rail 2 is moved on the pier and the bridge foundation construction device 4 respectively; 1 When running on the moving rail 2, the middle and rear portions of the moving rail 2 are supported on the pier; when the mobile crane 3 is running on the moving rail 2 with the foundation or the pier, the middle and rear portions of the moving rail 2 are also supported. On the pier, the front portion of the moving rail 2 is supported on the bridge foundation construction device 4. The top of the mobile crane 3 is provided with a rail on which the top crane 3-1 is provided, and the top crane 3-1 runs from the front or the rear to the rear or front portion in the mobile crane 3 through the rail; the bottom of the mobile crane 3 The rear end is provided with a walking device 3-2. The walking device 3-2 has two structures: one can only walk on the existing beam, and the other can walk on the existing beam and the moving rail 2; the bottom of the mobile crane 3 is moved. The front end and the middle are provided with a running device 3-3 running on the moving rail 2, and the mobile crane 3 puts the prefabricated bridge foundation into the bridge foundation construction device 4, and completes the construction of the bridge foundation in the bridge foundation construction device 4; When the bottom of the foundation construction device 4 is supported on the ground or the bottom of the water, the bridge foundation construction device 4 is also supported by the moving rail 2; the mobile crane 3 places the prefabricated pier above the constructed bridge foundation, and the mobile crane 3 will complete the bridge. The bridge foundation construction device 4 for foundation construction is moved to the position where the bridge foundation construction is awaited, and the bridge foundation construction device 4 completes the construction of the foundation, and the bridge construction device can complete the construction of the bridge foundation, the pier and the beam.

The invention has the advantages that the bridging device can construct the bridge foundation or the bridge; the bridge foundation is prefabricated in sections, the section is sunken, no cofferdam is needed, the construction is simple, and the construction period is short.

DRAWINGS

1 is a schematic structural view of a bridge-building device composed of a bridge machine 1, a moving rail 2, a mobile crane 3, a construction device 4-1 of a bridge foundation 6 with a chain cutter at the bottom during construction, and a mobile support device 5;

2 is a walking device 1-2 having a rear support 1-1, a middle support 1-2, a front end support 1-3, a rear end support 1-1 bottom walking device 1-1-1, and a middle support 1-2 -1, the traveling device 1-3-1 at the bottom of the front end support 1-3, the jacking support device 1-3-2 at the bottom of the front end support 1-3, and the bridge machine 1 composed of the upper horizontally moving crane 1-4 Schematic;

3 is a rear end lifting support device 2-1, a front end lifting support device 2-2, a front walking support device 2-3, a walking device 2-3-1, a traveling device 2-3-2, and a rear walking support device 2 4. A schematic structural view of a moving track 2 composed of a traveling device 2-4-1 and a traveling device 2-4-2;

4 is a schematic structural view of a mobile crane 3 composed of a top crane 3-1, a traveling device 3-2, and a traveling device 3-3;

Figure 5 is a basic construction device 4-1 consisting of a fixed guide 4-1-1, a chain cutter power transmission 4-1-2, a spoil treatment device 4-1-3, and a frame 4-1-4. The structural schematic diagram is also a schematic structural view of the chain excavating device 12 composed of the device 4-1-2 and the foundation 6 and the chain cutter 11;

Figure 6 is a view in the direction of arrow A of Figure 5, and is also a schematic structural view of a chain conveyor composed of a side cover 10 and a chain cutter 11 at the bottom;

Figure 7 is a BB view of Figure 5, also a cross-sectional view of the frame 4-1-4 of the construction apparatus 4-1, and also the mud line 13-1 of the mud line unit 13 on the frame 4-1-4. Schematic;

Figure 8 is a C-C view of Figure 5, and is also a schematic structural view of the mud nozzle 13-2 at the bottom of the foundation 6 of the mud pipeline device 13;

Figure 9 is a schematic view showing the structure of the chain cutter 11, and is also a schematic structural view of the chain 11-1 and the cutter 11-2, and is also a chain 11 composed of A ten-byte 11-1-1 and B-tenbyte 11-1-2. A schematic diagram of a ten-byte structure of 1 is also a schematic diagram of a structure in which the chain 11-1 realizes space bending;

Figure 10 is a schematic view showing the structure of the foundation construction device 4-2 by the fixed guiding device 4-2-1, the rotating device 4-2-2, and the descending speed controlling device 4-2-3, and also the excavation of the bottom of the spiral cylindrical foundation 9. Schematic diagram of the cutter 9-1 and the spiral blade 9-2 for conveying the rock;

Figure 11 is a schematic structural view of a moving support device 5A composed of a traveling device 5-1 and a lifting support device 5-2;

12 is a schematic structural view of the mobile supporting device 5B composed of the traveling device 5-1, the lifting support device 5-3 and the temporary base 5-4, and is also a schematic structural view of the mobile supporting device 5B supported on the bridge foundation 6;

Figure 13 is a schematic structural view of a bridge building device of a double pier 7;

Figure 14 shows that the installed beams 8 are the m-1th beam 8, the m-2th beam 8, ..., and the unmounted beams 8 are the m+1th beam 8, the m+2 beam 8, ... ..., the piers 7 corresponding to the mth beam 8 are the mth pier 7 and the m+1 pier 7, respectively, and the piers 7 corresponding to the m-1th beam 8 are the m-1 pier 7 and the m pier 7, respectively, m The piers 7 of the +1 beam 8 are the m+1th pier 7 and the m+2 pier 7, respectively, and the foundation 6 corresponding to the mth pier 7 is a structural schematic of the mth foundation, and is also the mth pier 7 and the m+1 pier. 7 has been installed, the rear end lifting support device 2-1 of the moving rail 2 is supported at the front end of the mth pier 7, the mobile supporting device 5 is located in front of the m+1th base, and the bridge foundation construction device 4-1 is located at the m+ 2 structural diagram of the basic set position;

Figure 15 is a schematic view showing the structure in which the lifting support device 1-3-2 supported by the front end of the bridge machine 1 is separated from the mth pier 7 and the bridge machine 1 moves forward on the moving rail 2 to reach the set position;

Figure 16 is a structural schematic view of the moving rail 2 running forward to the set position, and also transporting the mth beam 8 to the m-1th beam 8, located below the rear of the bridging machine 1, the crane above the bridge 1 1-4 is a schematic structural view of running above the mth beam 8;

Figure 17 is a schematic view showing the structure of the crane 1-4 above the bridge machine 1 lifting the mth beam 8;

Figure 18 is a crane 1-4 on the bridge machine 1 lowering the mth beam 8, the mth beam 8 and the mth beam 8 and the m-1th beam 8, the mth pier 7, and the m+1th pier 7 connected structure diagram;

Figure 19 is a structure in which the m+2th base is transported to the m-1th beam 8 and is located below the rear of the bridge machine 1, and the crane 1-4 above the bridge machine 1 is moved to the upper part of the m+2 base. schematic diagram;

Figure 20 is a schematic view showing the structure of the crane 1-4 above the bridge machine 1 lifting the m+2 foundation 6 and running forward along the track above the bridge machine;

Figure 21 is a view showing that the crane 1-4 on the bridge machine 1 lowers the m+2 base 6, and the m+2 base 6 is placed at the front end of the m-1 beam 8, and the crane 1-4 above the bridge machine 1 Run to the rear, let the structure of the space above the m+2 base 6 be opened;

Figure 22 is a schematic view showing the structure of the crane 3-1 on the mobile crane 3 lifting the m+2 base 6 and moving forward along the track above the mobile crane 2;

Figure 23 is a schematic view showing the structure of the mobile crane 3 running forward along the moving rail 2 to the m+2 base 6 setting position;

Figure 24 is a schematic view showing the structure in which the m+2 base 6 is placed in the bridge foundation construction device 4-1, and the mobile crane 3 connects the chain cutter driving device 4-1-2 and the m+2 base 6 top;

Figure 25 is a schematic view showing the structure of the starting bridge construction device 4-1, the m+2 base is lowered to the set depth;

Figure 26 is the transport of the m+2 spiral cylindrical foundation 9 to the m-1th beam 8, below the rear of the bridge machine 1, and the crane 1-4 above the bridge machine 1 runs to the m+2 spiral Schematic diagram of the structure above the cylindrical foundation 9;

Figure 27 is a schematic view showing the structure of the crane 1-4 above the bridge machine 1 lifting the m+2 spiral cylindrical foundation 9 and running forward along the track above the bridge machine 1;

Figure 28 is a view showing that the crane 1-4 on the bridge machine 1 lowers the m+2 spiral cylindrical foundation 9, and the m+2 spiral cylindrical foundation 9 is placed at the front end of the m-1 beam 8, the bridge machine 1 The upper crane 1-4 runs backwards to allow a schematic view of the space above the m+2 spiral cylindrical foundation 9;

Figure 29 is a schematic view showing the structure of the crane 3-1 on the mobile crane 3 lifting the m+2 spiral cylindrical foundation 9 and moving forward along the track above the mobile crane 2;

Figure 30 is a schematic view showing the structure in which the mobile crane 3 is moved forward along the moving rail 2 to the set position of the m+2 spiral cylindrical foundation 9;

Figure 31 is a view in which the m+2 spiral cylindrical foundation 9 is placed in the bridge foundation construction device 4-2, and the mobile crane 3 connects the rotating device 4-2-2 with the top of the m+2 spiral cylindrical foundation 9. Schematic diagram of the structure;

Figure 32 is a schematic structural view showing the start of the bridge construction device 4-2, the m+2 spiral cylindrical foundation 9 is lowered to a set depth;

Figure 33 is a schematic view showing the structure in which the rear end lifting support device 2-1 of the moving rail 2 is separated from the mth bridge 7 and the front end lifting support device 2-2 is separated from the ground or the water bottom;

Figure 34 is a schematic view showing the structure in which the moving rail 2 is moved forward to the set position, the rear end lifting support device 2-1 is supported and extended, and the front end lifting support device 2-2 is supported and extended;

Figure 35 is a view in which the mobile supporting device 5 is moved to the rear of the bridge foundation construction device 4-1 located at the m+2 base position, and the mobile crane 3 is moved above the bridge foundation construction device 4-1 to move the track 2 forward. A schematic structural view of the support device 2-3-1 being separated from the bridge foundation construction device 4-1;

Figure 36 is a schematic view showing the structure of the crane 3-1 above the mobile crane 3 lifting the bridge foundation construction device 4-1;

Figure 37 is a mobile crane 3 with a bridge foundation construction device 4-1 running forward on the moving rail 2 to the top of the m+3 base, and the crane 3-1 on the mobile crane 3 causes the bridge foundation device 4-1 to Schematic diagram of the exact clamping position of the m+3 position;

Figure 38 is a schematic view showing the structure of the mobile supporting device 5 moved to the front of the m+2 base;

Figure 39 is a schematic view showing the structure of the m+2 pier 7 being transported to the m-1th beam 8 and the crane 1-4 above the bridge machine 1 running above the m+2 pier 7;

Figure 40 is a schematic view showing the structure of the crane 1-4 above the bridge machine 1 lifting the m+2 pier 7 and walking to the front end of the m-th beam 8;

Figure 41 is a schematic view showing the structure of the crane 1-4 above the bridge crane 1 running backward, and the moving crane 3 running forward along the track above the moving crane 2 to the m+2 pier 7;

Figure 42 is a schematic view showing the structure in which the crane 3-1 at the rear of the mobile crane 3 is lifted from the rear of the m+2 pier 7 to the front of the mobile crane 3;

Figure 43 is a mobile crane 3 with the m+2 pier 7 running forward to the top of the m+2 base, placing the m+2 pier 7 on the m+2 base and accurately positioning and solidifying into one Schematic diagram of the structure.

1 is the bridging machine of the bridge building device; 1-1 is the rear end support of the bridging machine; 1-1-1 is the running device at the bottom of the rear end support 1-1 of the bridging machine; The middle support of the bridge machine; 1-2-1 is the walking device of the middle support of the bridge machine 1-2; 1-3 is the front support of the bridge machine; 1-3-1 is the front support of the bridge machine 1 -3 at the bottom of the walking device; 1-3-2 is the top support of the front end support 1-3; 1-4 is the crane of the upper part of the bridge machine 1; 2 is the moving track of the bridge building; 2-1 It is a rear end lifting support device provided at the rear end of the moving rail 2, supported on the pier 7; 2-2 is a front end lifting support device provided at the front end of the moving rail 2, supported on the ground or the water bottom; 2-3 is the front Walking support device; 2-3-1 is the walking device on the front walking support device 2-3, the moving track 2 is moved from one position to another through the walking device 2-3-1; 2-3-2 is walking ahead The supporting device 2-3 runs from one position to another; the 2-4 is the rear walking support device; 2-4-1 is the walking device on the rear walking support device 2-4, and the moving track 2 passes the running device 2-4-1 runs from one location Another position; 2-4-2 is a running device for the rear walking support device 2-4 to run from one position to another; 3 is a mobile crane for the bridge building device; 3-1 is a top crane for the mobile crane; 3-2 is a walking device at the bottom rear end of the mobile crane 3; 3-3 is a bottom front end of the mobile crane 3 and a running device running on the moving rail 2 in the middle; 4 is a bridge foundation construction device of the bridge building device; 4-1 is the construction device of the bridge foundation 6 with a chain knife at the bottom of the construction, including the fixed guide 4-1-1, the chain cutter power transmission 4-1-2, the spoil disposal device 4-1-3 and Rack 4-1-4; 4-1-1 is a fixed guide device constituting device 4-1; 4-1-2 is a chain cutter power transmission device constituting device 4-1; 4-1-3 is a component device a spoil disposal device of 4-1; 4-1-4 is a frame constituting the device 4-1; 4-2 is a construction device of a spiral cylindrical foundation 9 with a digging knife at the bottom during construction, including a fixed guide 4 -2-1, rotating device 4-2-2 and descending speed control device 4-2-3; 4-2-1 is a fixed guiding device for component device 4-2; 4-2-2 is component device 4-2 Rotating device; 4-2-3 is a spiral barrel that constitutes device 4-2 The descending speed control device of the foundation 9; 5 is a mobile supporting device of the bridge building device, the bottom supports two structures 5A and 5B; 5A is a mobile supporting device supported on the ground or the water bottom (including the water boat), and the traveling device 5- 1 and the lifting support device 5-2; 5B is supported on the bridge foundation 6, but when the foundation 6 is provided with the pier 7, the mobile supporting device does not interfere with the pier 7, the traveling device 5-1, the lifting support device 5 -3 and support base 5-4; 5-1 is a mobile support device 5 running on the moving track 2; 5-2 is the bottom of the mobile support device 5A supported on the ground or underwater, the top is a moving track 3 Lifting support device; 5-3 is a lifting support device supported by the bottom of the mobile supporting device 5B on the bridge foundation 6; 5-4 is a supporting base temporarily fixed to the foundation in the moving supporting device 5B; The bridge foundation of the chain cutter; 7 is the pier; 8 is the beam; 9 is the spiral cylindrical foundation with the excavation knife at the bottom during construction, including the bottom excavation knife 9-1 and the spiral blade 9-2; 9-1 is a spiral cylinder Bottom excavation knives for foundation 9; 9-2 is spiral blades for conveying geotechnical 10 is a side cover of the bridge foundation 6 with a bottomed edge; 11 is a chain cutter for excavating the earth, consisting of a chain 11-1 and a cutter 11-2 fixed to the chain 11-1; 11-1 is a chain cutter 11 chain; 11-1-1 is A ten bytes constituting the chain ten bytes; 11-1-2 is B ten bytes constituting the chain ten bytes; 11-2 is a cutter constituting the chain cutter 11. 12 is a chain excavation device consisting of the device 4-1-2 and the bridge foundation 6 and the chain cutter 11; 13 is a mud pipeline device; 13-1 is the frame 4-1-4 in the device 4-1 Mud line; 13-2 is the mud nozzle on the bottom of the bridge foundation 6.

detailed description

The bridge building device comprises a bridge machine 1, a moving rail 2, a mobile crane 3 and a bridge foundation construction device 4. The bridge machine 1 is provided with a rear end support 1-1, a middle support 1-2 and a front end support 1-3, and thereafter The bottom of the end support 1-1 and the middle support 1-2 are respectively provided with a running device 1-1-1 and a traveling device 1-2-1, and the bottom of the front end support 1-3 is provided with a walking device 1-3-1, walking The device 1-1-1 and the traveling device 1-2-1 are operated on the erected beam, the traveling device 1-3-1 is operated on the moving rail 2, and the front end support 1-3 is further provided with the lifting support device 1-3. -2, the crane 1-4 is provided on the upper part of the bridge machine 1, and the lifting support device 1-3-2 is supported on the pier when the bridge machine 1 is hoisting or when the moving rail 2 is running; the function of the bridge machine 1 is: The first is to erect the beam; the second is to lift the foundation or pier from the erected beam to the front end of the framed beam; the rear end of the moving track 2 is provided with the rear end lifting support device 2-1, and the rear end is lifted and lowered. The bottom of the supporting device 2-1 is supported on the pier; the front end of the moving rail 2 is provided with a front end lifting support device 2-2, and the bottom of the front end lifting support device 2-2 is supported on the ground or the bottom; when the moving rail 2 moves, the rear end Rise The support device 2-1 is separated from the bridge pier, the front end lifting support device 2-2 is separated from the ground or the water bottom, and the middle portion of the moving rail 2 is respectively moved on the pier and the bridge foundation construction device 4; when the bridge machine 1 is running on the moving rail 2, The middle and rear portions of the moving rail 2 are supported on the pier; when the mobile crane 3 is running on the moving rail 2 with the foundation or the pier, the middle and rear portions of the moving rail 2 are also supported on the pier, moving the front of the rail 2 The support is supported on the bridge foundation construction device 4. The top of the mobile crane 3 is provided with a rail on which the top crane 3-1 is provided, and the top crane 3-1 runs from the front or the rear to the rear or front portion in the mobile crane 3 through the rail; the bottom of the mobile crane 3 The rear end is provided with a walking device 3-2. The walking device 3-2 has two structures: one can only walk on the existing beam, and the other can walk on the existing beam and the moving rail 2; the bottom of the mobile crane 3 is moved. The front end and the middle are provided with a running device 3-3 running on the moving rail 2, and the mobile crane 3 puts the prefabricated bridge foundation into the bridge foundation construction device 4, and completes the construction of the bridge foundation in the bridge foundation construction device 4; When the bottom of the foundation construction device 4 is supported on the ground or the bottom of the water, the bridge foundation construction device 4 is also supported by the moving rail 2; the mobile crane 3 places the prefabricated pier above the constructed bridge foundation, and the mobile crane 3 will complete the bridge. The bridge foundation construction device 4 for foundation construction is moved to a position waiting for the foundation construction of the bridge; the bridge foundation construction device 4 completes the construction of the foundation, and the bridge assembly device can complete the construction of the bridge foundation, the pier and the beam.

The bottom of the moving rail 2 is provided with a front walking support device 2-3 and a rear walking support device 2-4, and the front walking support device 2-3 is provided with a walking device 2-3-1, and the rear walking supporting device 2 4, the walking device 2-4-1 is provided, the rear walking support device 2-4 is supported on the bridge pier, the front walking support device 2-3 is supported on the bridge foundation construction device 4, and the rear end lifting support device 2-1 is separated from the pier When the front end lifting support device 2-2 is separated from the ground or the bottom of the water, the moving rail 2 is moved from one position to another by the traveling device 2-3-1 and the traveling device 2-4-1.

The front travel support device 2-3 is provided with a travel device 2-3-2, the rear travel support device 2-4 is provided with a travel device 2-4-2, and the mobile track 2 is provided with a travel device 2-3-2 and The track on which the traveling device 2-4-2 operates, the front walking support device 2-3 runs from one position to another through the traveling device 2-3-2, and the rear walking support device 2-4 passes the walking device 2-4-2 Run from one location to another.

The bridge building device further includes a moving support device 5 disposed behind the bridge foundation construction device 4. The bottom of the mobile support device 5 supports two structures: one is supported on the ground or the bottom includes a water boat, and the other is supported at On the basis of the bridge; the upper part of the mobile supporting device 5 is the support of the moving rail 2, and the moving supporting device 5 is provided with the running device 5-1 running on the moving rail 2, and when the bottom of the moving supporting device 5 is separated from the support, the traveling device is passed 5-1 Walk from one position to another.

The installed beams are the m-1th beam, the m-2th beam, the m-3th beam, ..., and the unmounted beams are the m+1th beam, the m+2 beam, and the The m+3 beam, ..., the corresponding pier of the mth beam is the mth pier and the m+1th pier, respectively, and the corresponding piers of the m-1th beam are the m-1 pier and the mth pier, respectively, m+1 The bridge piers of the beam are the m+1th pier and the m+2 pier, respectively. The foundation corresponding to the mth pier is the mth foundation. The mth pier and the m+1 pier are installed, and the rear support of the moving track 2 is supported. The device 2-1 is supported at the front end of the mth pier, the moving support device 5 is located in front of the m+1th base, and the bridge foundation construction device 4 is located at the set position of the m+2th base.

The construction method of the m-th beam has the following steps:

1) detaching the lifting support device of the front end support 1-3 of the bridge machine 1 from the mth bridge pier;

2) The traveling device of the rear end support 1-1 and the middle support 1-2 of the bridging machine 1 runs forward on the erected beam, and the running device 1-3-1 of the front end support 1-3 is on the moving rail 2 Moving forward, reaching the set position, supporting the lifting support device 1-3-2 of the front end support 1-3 of the bridging machine 1 at the front of the m+1th pier, so that the front end of the bridging machine 1 supports 1-3 The walking device 1-3-1 is separated from the moving track 2;

3) moving rail 2 forwardly reaches the set position, and the rear travel support device 2-4 of the moving rail 2 runs from the mth pier to the front of the m+1th pier and is supported on the m+1th pier;

4) transporting the mth beam to the m-1th beam, below the rear of the bridging machine 1, and the crane 1-4 above the bridging machine 1 runs above the mth beam;

5) The crane 1-4 above the bridge machine 1 lifts the mth beam and runs forward along the track above the bridge machine 1 to a set position between the mth pier and the m+1 pier;

6) The crane 1-4 on the bridge machine 1 lowers the mth beam, and the mth beam is clamped and meets the design and installation requirements;

7) connecting the mth beam to the m-1th beam, the mth pier and the m+1th pier;

Repeat the above steps to complete the installation of the remaining beams.

The m+2 base has two structures: A and B:

A) The m+2 foundation is the foundation with a chain cutter at the bottom of the construction. The chain cutter only excavates the rock at the bottom of the foundation; the bridge foundation construction device 4-1 includes fixed guides 4-1-1, chain Knife power transmission device 4-1-2, spoil treatment device 4-1-3 and frame 4-1-4;

B) The m+2 base is a spiral cylindrical foundation with a cutter at the bottom, and the cutter only has the annular rock at the bottom of the spiral cylindrical foundation; the bridge foundation construction device 4-2 includes a fixed guide 4-2 - 1, rotating device 4-2-2 and falling speed control device 4-2-3.

The m+2 base is a spiral cylindrical foundation with a cutter at the bottom, or a base with a chain cutter at the bottom during construction. The specific construction method has the following steps:

1) transporting the m+2 base to the m-1 beam, below the rear of the bridge machine 1, and the crane 1-4 above the bridge machine 1 runs above the m+2 base;

2) The crane 1-4 above the bridge machine 1 lifts the m+2 foundation and runs forward along the track above the bridge machine 1 to the set position in front of the m-1 beam;

3) The crane 1-4 on the bridge machine 1 lowers the m+2 base, and places the m+2 base on the front end of the m-1th beam;

4) The crane 1-4 above the bridging machine 1 runs backwards, allowing the space above the m+2 base to be opened;

5) The mobile crane 3 runs backward on the moving rail 2, so that the crane 3-1 above the mobile crane 3 reaches the set position above the m+2 base;

6) The top crane 3-1 on the mobile crane 3 lifts the m+2 base and runs forward along the track above the mobile crane 3, making the top crane 3-1 and the m+2 base from the mobile crane The rear part of 3 moves to the front; the mobile crane 3 runs forward along the moving rail 2 to the m+2 basic setting position, and the m+2 foundation is placed into the bridge foundation construction device 4;

7) the mobile crane 3 connects the spiral cylindrical basic rotary driving device 4-2 or the chain cutter driving device 4-1 with the m+2 base top;

8) Start the bridge foundation construction device 4, the m+2 foundation is lowered to the set depth, and the construction is completed;

Repeat the above steps to complete the rest of the basic installation.

The construction method of the bridge foundation construction device 4 moving from the m+2 base position to the m+3 base position is as follows:

1) disengaging the rear end lifting support device 2-1 of the moving rail 2 from the mth bridge pier, and the front end lifting support device 2-2 is separated from the ground or the water bottom;

2) The moving rail 2 is moved forward to the set position, the rear end lifting support device 2-1 is supported at the front end of the m+1th pier, and the front end lifting support device 2-2 is supported in front of the m+3 basic position. Ground or underwater;

3) moving the mobile supporting device 5 from the front side close to the m+1th base to the rear of the bridge foundation construction device 4 located at the m+2 base position;

4) The mobile crane 3 runs above the bridge foundation construction device 4, disengages the bridge foundation construction device 4 from the m+2 bridge foundation, and disengages the front travel support device 2-3 of the moving rail 2 from the bridge foundation construction device 4. ;

5) The top crane 3-1 above the mobile crane 3 lifts the bridge foundation construction device 4, and the mobile crane 3 carries the bridge foundation construction device 4 on the moving rail 2 to move forward to the m+3 base;

6) The top crane 3-1 on the mobile crane 3 lowers the bridge foundation construction device 4 and causes the bridge foundation construction device 4 to be accurately clamped at the m+3 position;

7) The front travel support device 2-3 of the moving rail 2 is moved to the position of the bridge foundation construction device 4, and the front travel support device 2-3 of the moving rail 2 is supported on the bridge foundation construction device 4;

8) Move the mobile support device 5 from the rear of the m+2 base to the front of the m+2 base.

The m-th beam and the m+2 base have been completed, and the rear end lifting support device 2-1 of the moving rail 2 and the lifting support device 1-3-2 of the front end support 1-3 of the bridging machine 1 are supported. On the m+1th pier, the mobile supporting device 5 is supported on the ground or the water bottom near the front of the m+2 foundation, and the bridge foundation construction device 4 is located at the set position of the m+3 foundation, and the concrete construction of the m+2 pier The method has the following steps:

1) transporting the m+2 pier to the mth beam, below the bridge machine 1, and the crane 1-4 above the bridge machine 1 runs above the m+2 pier;

2) The crane 1-4 above the bridge machine 1 lifts the m+2 pier and correctly positions the m+2 pier at the set position of the front end of the mth beam;

3) The crane 1-4 above the bridging machine 1 runs backwards, allowing the space above the m+2 pier to be opened;

4) The mobile crane 3 runs backward through the bottom traveling device 3-2 and the traveling device 3-3, so that the top crane 3-1 at the upper rear portion of the mobile crane 3 reaches the set position above the m+2 pier;

5) The top crane 3-1 at the rear of the mobile crane 3 lifts the m+2 pier and moves the m+2 pier from the rear of the mobile crane 3 to the front of the mobile crane 3;

6) The mobile crane 3 carries the m+2 pier through the bottom of the walking device 3-2 and the running device 3-3 forward to the top of the m+2 base, and the m+2 pier is placed at the m+th 2 Based on the basic positioning and accurate positioning.

Repeat the above steps to complete the installation of the remaining piers.

The technical solution of the present invention is further described below with reference to the accompanying drawings:

As shown in FIG. 1 to FIG. 4, the bridge-building device is composed of a bridge machine 1, a moving rail 2, a mobile crane 3, a bridge foundation construction device 4, and a mobile support device 5. The bridge-building machine is provided with a rear support 1-1. , the central support 1-2 and the front end support 1-3, the bottom end support 1-1 and the bottom support 1-2 are respectively provided with a walking device 1-1-1 and a walking device 1-2-1, and the front end supports 1- The bottom of the 3 is provided with a walking device 1-3-1, the traveling device 1-1-1 and the traveling device 1-2-1 are operated on the erected beam 8, and the running device 1-3-1 is operated on the moving rail 2 The front end support 1-3 is further provided with a lifting support device 1-3-2, and the upper portion of the bridge machine 1 is provided with a horizontally moving crane 1-4, and the lifting support device is used when the bridge machine 1 is hoisting or when the moving rail 2 is running 1-3-2 is supported on the pier 7; the function of the bridge machine 1 is: one is the frame beam 8; the other is that the foundation 6 or the pier 7 transported from the already-mounted beam 8 is hoisted and placed The front end of the beam 8; the rear end of the moving rail 2 is provided with a rear end lifting support device 2-1, the bottom of the rear end lifting support device 2-1 is supported on the pier 7; the front end of the moving rail 2 is provided with a front end lifting support device 2 -2, front end lifting support device 2-2 The support is on the ground or the bottom of the water; when the moving rail 2 moves, the rear end lifting support device 2-1 is separated from the bridge pier 7, the front end lifting support device 2-2 is separated from the ground or the bottom of the water, and the middle portion of the moving rail 2 is respectively at the pier 7, the mobile supporting device 5 and moving on the bridge foundation construction device 4; when the bridge machine 1 is running on the moving rail 2, the middle and rear portions of the moving rail 2 are supported on the pier 7; when the mobile crane 3 carries the foundation 6 or the pier 7 When running on the moving rail 2, the middle and rear portions of the moving rail 2 are also supported on the pier 7, and the middle portion and the front portion of the moving rail 2 are simultaneously supported on the moving support device 5 and/or the bridge foundation construction device 4. The top of the mobile crane 3 is provided with a rail on which the crane 3-1 is arranged, and the crane 3-1 runs from the front (or rear) portion to the rear (or front) portion in the mobile crane 3 through the rail; the mobile crane 3 The bottom rear end is provided with a running device 3-2. The bottom front end of the mobile crane 3 is provided with a running device 3-3 running on the moving rail 2, and the mobile crane 3 places the prefabricated bridge foundation 6 into the bridge foundation. In the construction device 4, the construction of the bridge foundation 6 is completed in the bridge foundation construction device 4; when the bottom of the bridge foundation construction device 4 is supported on the ground or the water bottom, the bridge foundation construction device 4 is also the support of the moving rail 2; the mobile crane 3 will The prefabricated pier 7 is placed above the constructed bridge foundation 6, and the mobile crane 3 moves the bridge foundation construction device 4 that has completed the bridge foundation construction to a position waiting for the bridge foundation construction; the bridge foundation construction device 4 completes the construction of the foundation.

As shown in Figures 5 to 10, the m+2 base has two structures, A and B:

A) The m+2 base is the foundation 6 with a chain knife at the bottom of the construction. The chain cutter only has the rock at the bottom of the foundation; the bridge foundation construction device 4-1 includes a fixed guide 4-1-1, Chain cutter power transmission 4-1-2, spoil treatment device 4-1-3 and frame 4-1-4; during construction, the frame 4-1-4 is integrated with the top of the foundation 6, device 4 -1-2 drive chain cutter 11 runs along the track on the foundation 6, the chain cutter 11 excavates the rock at the bottom of the foundation 6, and brings the excavated rock to the top, and the device 4-1-3 takes the chain cutter 11 from The rock soil brought up from the bottom of the foundation 6 is separated from the chain cutter 11, and the frames 4-1-4 are simultaneously descended along with the foundation 6;

B) The m+2 base is a spiral cylindrical foundation 9 with a cutter at the bottom, the cutter only has the annular rock at the bottom of the spiral cylindrical foundation; the bridge foundation construction device (4-2) includes a fixed guide 4-2-1, drive rotating device 4-2-2 and descending speed control device 4-2-3; during construction, drive rotating device 4-2-2 rotates base 9, through descending speed control device 4-2- 3 controlling the descending speed of the spiral cylindrical foundation 9, so that the cutter 9-1 at the bottom of the spiral cylindrical foundation 9 cuts the annular rock at the bottom of the foundation 9, and the cut rock is introduced into the foundation under the action of the bottom tapered surface. In the spiral blade 9-2, the spiral blade 9-2 transports the cut rock at the bottom to the upper portion and gradually descends to the set position.

As shown in FIG. 11 to FIG. 12, the bottom of the mobile supporting device 5 supports two

structures

5A and 5B: 5A is supported on the ground or underwater (including water boat), 5B is supported on the bridge foundation; and the mobile supporting device 5 The upper part is the support of the moving rail 2, and the moving support device 5 is provided with a running device 5-1 running on the moving rail, and when the bottom of the moving supporting device 5 is separated from the support, the traveling device 5-1 walks from one position to another The position, the bridge building device can complete the construction of the bridge foundation 6, the pier 7 and the beam 8.

As shown in Fig. 13, the bridge building device simultaneously constructs the double bridge pier 7, and the longitudinal width of the moving rail 2 and the mobile crane 3 of the bridge building device exceeds the width of the double bridge pier.

As shown in FIGS. 14 to 18, the construction method of the mth beam 8 has the following steps:

1) detaching the lifting support device 1-3-2 supported by the front end of the bridge machine 1 from the mth pier 7;

2) The traveling device 1-1-1 of the rear end support 1-1 of the bridge machine 1 and the traveling device 1-2-1 of the middle support run forward on the erected beam 8, and the front end supports the walking of 1-3 The device 1-3-1 moves forward on the moving rail 2 to reach the set position, and supports the lifting support device 1-3-2 supported by the front end of the bridge machine 1 at the front of the m+1th pier 7, so that the frame The traveling device 1-3-1 supported by the front end of the bridge machine 1 is separated from the moving rail 2;

3) The moving rail 2 runs forward to reach the set position, and the rear travel support device of the moving rail 2 runs from the mth bridge pier 7 to the front portion of the m+1th pier 7, and is supported on the m+1th pier 7;

4) transporting the mth beam 8 to the m-1th beam 8 below the rear of the bridging machine 1, and the crane 1-4 above the bridging machine 1 runs above the mth beam 8;

5) The crane 1-4 above the bridge machine 1 lifts the mth beam 8 and travels along the track above the bridge machine 1 to the set position between the mth pier 7 and the m+1 pier 7 ;

6) The crane 1-4 on the bridge machine 1 lowers the mth beam 8, and the mth beam 8 is clamped and meets the design and installation requirements;

7) connecting the mth beam 8 with the m-1th beam 8, the mth pier 7 and the m+1th pier 7;

Repeat the above steps to complete the installation of the remaining beams 8.

As shown in Fig. 19 to Fig. 25, the m+2 basis is the foundation 6 with a chain knife at the bottom of the construction. The specific construction method has the following steps:

1) transporting the m+2 base 6 to the m-1th beam 8 at a position below the rear of the bridge machine 1, and the crane 1-4 above the bridge machine 1 is operated above the m+2 base 6;

2) The crane 1-4 above the bridge machine 1 lifts the m+2 base 6 and runs forward along the track above the bridge machine 1 to the set position in front of the m-1 beam 8;

3) The crane 1-4 on the bridge machine 1 lowers the m+2 base 6 and places the m+2 base 6 at the front end of the m-1 beam 8;

4) The crane 1-4 above the bridging machine 1 runs backwards, allowing the space above the m+2 base 6 to be opened;

5) The mobile crane 3 is operated backward on the moving rail 2, so that the crane 3-1 above the mobile crane 3 reaches the set position above the m+2 base 6;

6) The crane 3-1 on the mobile crane 3 lifts the m+2 base 6 and moves forward along the track above the mobile crane 3, so that the crane 3-1 and the m+2 base 6 are moved from the crane The rear part of 3 moves to the front; the mobile crane 3 runs forward along the moving rail 2 to the m+2 base 6 setting position, and the m+2 base 6 is placed in the bridge foundation construction device 4-1. ;

7) the mobile crane 3 connects the chain cutter driving device 4-1-2 to the top of the m+2 base 6;

8) Start the bridge construction device 4-1, and the m+2 foundation 6 is lowered to the set depth to complete the construction;

Repeat the above steps to complete the installation of the remaining base 6.

As shown in Fig. 26 to Fig. 32, the m+2 basis is a spiral cylindrical foundation 9 with a digging knife at the bottom during construction. The specific construction method has the following steps:

1) transporting the m+2 base 9 to the m-1th beam 8 at a position below the rear of the bridge machine 1, and the crane 1-4 above the bridge machine 1 is operated above the m+2 base 9;

2) The crane 1-4 above the bridge machine 1 lifts the m+2 base 9 and runs forward along the track above the bridge machine 1 to the set position in front of the m-1 beam 8;

3) The crane 1-4 on the bridge machine 1 lowers the m+2 base 9 and places the m+2 base 9 at the front end of the m-1 beam 8;

4) The crane 1-4 above the bridging machine 1 runs backwards, allowing the space above the m+2 base 9 to be opened;

5) the mobile crane 3 runs backward on the moving rail 2, so that the crane 3-1 above the mobile crane 3 reaches the set position above the m+2 base 9;

6) The crane 3-1 on the mobile crane 3 lifts the m+2 base 9 and runs forward along the track above the mobile crane 3, so that the crane 3-1 and the m+2 base 9 are moved from the crane The rear portion of 3 moves to the front; the mobile crane 3 moves forward along the moving rail 2 to the m+2 base 9 setting position, and the m+2 base 9 is placed into the bridge foundation construction device 4-2. ;

7) the mobile crane 3 connects the chain cutter driving device 4-1-2 to the top of the m+2 base 9;

8) Start the bridge construction device 4-1, the m+2 foundation 9 is lowered to the set depth, and the construction is completed;

Repeat the above steps to complete the installation of the remaining base 9.

As shown in FIGS. 33 to 38, the construction method of the bridge foundation construction device 4-1 moving from the m+2 base position to the m+3 base position is as follows:

1) separating the rear end lifting support device 2-1 of the moving rail 2 from the mth pier 7, and the front end lifting support device 2-2 is separated from the ground or the water bottom;

2) The moving rail 2 is moved forward to the set position, the rear end lifting support device 2-1 is supported at the front end of the m+1th pier 7, and the front end lifting support device 2-2 is supported in front of the m+3 base position. Ground or underwater;

3) moving the mobile supporting device 5 from the front side close to the m+1th base to the rear of the bridge foundation construction device 4-1 located at the m+2 base position;

4) The mobile crane 3 runs to the top of the bridge foundation construction device 4-1, and the bridge foundation construction device 4-1 is separated from the m+2 bridge foundation, and the front travel support device 2-3 of the moving rail 2 and the bridge foundation are Construction device 4-1 is detached;

5) The crane 3-1 above the mobile crane 3 lifts the bridge foundation construction device 4-1, and the mobile crane 3 carries the bridge foundation construction device 4-1 to move forward on the moving rail 2 to the m+3 basis. Above

6) The crane 3-1 on the mobile crane 3 lowers the bridge foundation device 4-1 and causes the bridge foundation construction device 4-1 to be accurately clamped at the m+3 position;

7) The front travel support device 2-3 of the moving rail 2 is moved to the position of the bridge foundation construction device 4-1, and the front travel support device 2-3 of the moving rail 2 is supported on the bridge foundation construction device 4-1;

As shown in FIG. 39 to FIG. 43, the m-th beam 8 and the m+2 base have been completed, and the rear end lifting support device 2-1 of the moving rail and the lifting support device 1-3- supported by the front end of the bridge machine 1 are completed. 2 is supported on the m+1th pier 7, the mobile support device 5 is supported on the ground or the water bottom near the front of the m+2 base, and the bridge foundation construction device 4-1 is located at the set position of the m+3 base, mth The concrete construction method of +2 pier 7 has the following steps:

1) moving the mobile support device to the front of the m+2 base;

2) transporting the m+2 pier 7 to the m-1th beam 8 below the bridge machine 1, and the crane above the bridge machine runs above the m+2 pier 7;

3) The crane 1-4 above the bridging machine 1 lifts the m+2 pier 7 and correctly places the m+2 pier 7 at the set position of the front end of the mth beam 8;

4) The crane 1-4 above the bridging machine 1 runs backwards, allowing the space above the m+2 pier 7 to be opened;

5) The mobile crane 3 runs backward through the bottom traveling device 3-2 and the traveling device 3-3, so that the crane 3-1 at the upper rear portion of the mobile crane 3 reaches the set position above the m+2 pier 7;

6) The crane 3-1 at the upper rear of the mobile crane 3 lifts the m+2 pier 7 and moves the m+2 pier 7 from the rear of the mobile crane 3 to the front of the mobile crane 3;

7) The mobile crane 3 carries the m+2 pier 7 through the bottom running device 3-2 and the running device 3-3 forward to the top of the m+2 base, and places the m+2 pier 7 Based on m+2 and accurately positioned and fixed into one.

Repeat the above steps to complete the installation of the remaining piers 7.

Claims

A bridge building device, characterized in that the bridge building device comprises a bridge machine (1), a moving rail (2), a mobile crane (3) and a bridge foundation construction device (4), and the bridge machine (1) is provided The end support (1-1), the middle support (1-2), and the front support (1-3), and the bottom of the rear support (1-1) and the middle support (1-2) are respectively provided with a traveling device (1- 1-1) and the traveling device (1-2-1), the bottom of the front end support (1-3) is provided with a traveling device (1-3-1), a traveling device (1-1-1), and a traveling device (1) -2-1) Running on the erected beam, the traveling device (1-3-1) runs on the moving rail (2), and the front end support (1-3) is also provided with lifting support device (1-3-2) ), the crane (1-4) is provided on the upper part of the bridge machine (1), and the bridge support is supported by the lifting support device (1-3-2) when the bridge machine (1) is hoisting or when the moving rail (2) is running. The function of the bridge machine (1): one is the frame beam; the other is to lift the foundation or pier from the erected beam to the front end of the framed beam; the rear end of the moving track (2) There is a rear end lifting support device (2-1), the bottom of the rear end lifting support device (2-1) is supported on the pier; the front end of the moving rail (2) is provided with a front end lifting support device (2-2), front The bottom of the lifting support device (2-2) is supported on the ground or the bottom of the water; when the moving rail (2) is moved, the rear end lifting support device (2-1) is separated from the pier, and the front end lifting support device (2-2) is separated from the ground or the bottom. The middle part of the moving track (2) moves on the pier and the bridge foundation construction device (4) respectively; when the bridge machine (1) runs on the moving track (2), the middle and rear supports of the moving track (2) On the pier; when the mobile crane (3) is running on the moving track (2) with the foundation or the pier, the middle and rear of the moving track (2) are also supported on the pier, moving the front of the track (2) Supported on the bridge foundation construction device (4);

The top of the mobile crane (3) is provided with a rail with a top crane (3-1) on the rail, and the top crane (3-1) runs from the front (or rear) part to the moving crane (3) through the rail to the rear. (or front); the bottom end of the mobile crane (3) is provided with a walking device (3-2), and the traveling device (3-2) has two structures: one is only walking on the built beam, and the second is already Both the upper beam and the moving rail (2) can walk; the bottom front end of the mobile crane (3) and the middle of the moving device (3-3) running on the moving rail (2), the mobile crane (3) Put the prefabricated bridge foundation into the bridge foundation construction device (4), complete the construction of the bridge foundation in the bridge foundation construction device (4); when the bottom of the bridge foundation construction device (4) is supported on the ground or the bottom of the water, the bridge foundation construction The device (4) is also the support of the moving rail (2); the mobile crane (3) places the prefabricated pier above the constructed bridge foundation, and the mobile crane (3) will complete the bridge foundation construction device for the bridge foundation construction ( 4) Move to the position waiting for the foundation construction of the bridge; the bridge foundation construction device (4) completes the construction of the foundation;

The bridge building device can complete the construction of the bridge foundation, piers and beams.
A bridging device according to claim 1, characterized in that the bottom of the moving rail (2) is provided with a front walking support device (2-3) and a rear walking support device (2-4), front The walking support device (2-3) is provided with a traveling device (2-3-1), the rear walking support device (2-4) is provided with a walking device (2-4-1), and the rear walking supporting device (2-4) Supported on the pier, the front walking support device (2-3) is supported on the bridge foundation construction device (4), and when the rear end lifting support device (2-1) is separated from the pier, the front end lifting support device (2-2) is separated from the ground. Or at the bottom of the water, the moving rail (2) is moved from one position to another by the traveling device (2-3-1) and the traveling device (2-4-1).
A bridge-building apparatus according to claim 2, wherein said front walking support device (2-3) is provided with a traveling device (2-3-2), and the rear walking supporting device (2-4) is provided. There is a walking device (2-4-2), the moving rail (2) is provided with a running device (2-3-2) and a running device (2-4-2) running track, and the front walking support device (2-3) The traveling support device (2-3-2) is moved from one position to another by the running device (2-3-2), and the rear walking support device (2-4) is operated from one position to another through the traveling device (2-4-2).
A bridge building construction method according to claim 1, wherein said bridge building device further comprises a moving support device (5) behind the bridge foundation construction device (4), and a mobile support device (5) The bottom support has two structures: one is supported on the ground or the bottom of the water (including the water boat), and the other is supported on the bridge foundation; the upper part of the mobile support device (5) is the support of the moving rail (2), and the mobile support device (5) provided with a running device (5-1) running on the moving rail (2), walking from one position to the other through the running device (5-1) when the bottom of the moving supporting device (5) is separated from the support position.
A bridge construction method according to claim 4, wherein said installed beams are respectively m-1 beam, m-2 beam, m-3 beam, ..., not The installed beams are the m+1th beam, the m+2 beam, the m+3 beam, ..., and the corresponding piers of the mth beam are the mth pier and the m+1th pier, respectively, and the m-1th beam corresponds to The piers are the m-1 pier and the mth pier, and the m+1 beam piers are the m+1 pier and the m+2 pier, respectively, and the mth pier corresponds to the mth foundation, and the mth pier And the m+1th pier has been installed, the rear end lifting support device (2-1) of the moving rail (2) is supported at the front end of the mth pier, and the mobile supporting device (5) is located in front of the m+1th foundation, the bridge The foundation construction device (4) is located at the set position of the m+2th base.
A bridge construction method according to claims 3 and 5, characterized in that the construction method of the mth beam has the following steps:

1) detaching the lifting support device of the front end support (1-3) of the bridge machine (1) from the mth bridge pier;

2) The traveling device of the rear end support (1-1) and the middle support (1-2) of the bridge machine (1) runs forward on the erected beam, and the front end supports the travel device of (1-3) (1) -3-1) Move forward on the moving rail (2) to reach the set position, and support the lifting support device (1-3-2) of the front end support (1-3) of the bridge machine (1) at the mth +1 the front of the pier, so that the front end support (1-3) of the bridge machine (1) supports the travel device (1-3-1) off the moving track (2);

3) The moving rail (2) moves forward to reach the set position, and the rear travel support device (2-4) of the moving rail (2) runs from the mth pier to the front of the m+1th pier and is supported at the mth +1 bridge pier;

4) transporting the mth beam to the m-1 beam, below the rear of the bridge machine (1), and the crane (1-4) above the bridge machine (1) running above the mth beam;

5) The crane (1-4) above the bridge machine (1) lifts the mth beam and runs forward along the track above the bridge machine (1) to the m-bridge pier and the m+1 pier. Set position

6) The crane (1-4) on the bridge machine (1) lowers the mth beam, and the mth beam is clamped and meets the design and installation requirements;

7) connecting the mth beam to the m-1th beam, the mth pier and the m+1th pier;

Repeat the above steps to complete the installation of the remaining beams.
A bridge-building apparatus according to claim 5, wherein said m+2 base has two structures A and B:

A) The m+2 foundation is the foundation with a chain cutter at the bottom of the construction. The chain cutter only excavates the rock at the bottom of the foundation; the bridge foundation construction device (4-1) includes fixed guides (4-1- 1), chain cutter power transmission device (4-1-2), spoil disposal device (4-1-3) and frame (4-1-4);

B) The m+2 base is a spiral cylindrical foundation with a cutter at the bottom, and the cutter only has the annular rock at the bottom of the spiral cylindrical foundation; the bridge foundation construction device (4-2) includes a fixed guide ( 4-2-1), rotating device (4-2-2) and falling speed control device (4-2-3).
A bridge building construction method according to claim 7, wherein said m+2 foundation is a spiral cylindrical foundation with a cutter at the bottom, or a base with a chain cutter at the bottom during construction, specifically The construction method has the following steps:

1) Transport the m+2 base to the m-1 beam, below the rear of the bridge machine (1), and the crane (1-4) above the bridge machine (1) runs to the m+2 base. Above

2) The crane (1-4) above the bridge machine (1) lifts the m+2 base and moves forward along the track above the bridge machine (1) to the set position in front of the m-1 beam. ;

3) The crane (1-4) on the bridge machine (1) lowers the m+2 base and places the m+2 base on the front end of the m-1th beam;

4) The crane (1-4) above the bridge machine (1) runs backwards, allowing the space above the m+2 base to be opened;

5) The mobile crane (3) runs backward on the moving rail (2), so that the crane (3-1) above the mobile crane (3) reaches the set position above the m+2 base;

6) The top crane (3-1) on the mobile crane (3) lifts the m+2 base and runs forward along the track above the moving crane (3), making the top crane (3-1) and The m+2 base moves from the rear of the mobile crane (3) to the front; the mobile crane (3) moves forward along the moving track (2) to the m+2 basic setting position, and the m+ 2 The foundation is placed in the bridge foundation construction device (4);

7) The mobile crane (3) connects the chain cutter drive device (4-1-2) or the spiral cylindrical base rotary drive device (4-2-2) to the m+2 base top;

8) Start the bridge foundation construction device (4), and the m+2 foundation is lowered to the set depth to complete the construction;

Repeat the above steps to complete the rest of the basic installation.
A bridge building construction method according to claims 3 and 5, characterized in that the construction method of the bridge foundation construction device (4) moving from the m+2 base position to the m+3 base position is as follows step:

1) The rear end lifting support device (2-1) of the moving rail (2) is separated from the mth bridge pier, and the front end lifting support device (2-2) is separated from the ground or the water bottom;

2) The moving rail (2) is moved forward to the set position, the rear end lifting support device (2-1) is supported at the front end of the m+1th pier, and the front end lifting support device (2-2) is supported at the mth +3 the ground or water bottom in front of the base position;

3) moving the mobile supporting device (5) from the front side close to the m+1th base to the rear of the bridge foundation construction device (4) located at the m+2 base position;

4) The mobile crane (3) runs to the top of the bridge foundation construction device (4), and the bridge foundation construction device (4) is separated from the m+2 bridge foundation, and the front travel support device of the moving rail (2) is moved (2) -3) detached from the bridge foundation construction device (4);

5) The top crane (3-1) above the mobile crane (3) hoists the bridge foundation construction device (4), and the mobile crane (3) carries the bridge foundation construction device (4) on the moving track (2) Run forward to the top of the m+3 base;

6) The top crane (3-1) on the mobile crane (3) lowers the bridge foundation construction device (4) and makes the bridge foundation construction device (4) accurately clamped at the m+3 position;

7) The front travel support device (2-3) of the moving rail (2) is moved to the position of the bridge foundation construction device (4), and the front travel support device (2-3) of the moving rail (2) is supported on the bridge foundation construction device. (4) above;

8) Move the mobile support device (5) from the rear of the m+2 base to the front of the m+2 base.
A bridge-building apparatus according to claims 6, 8, and 9, wherein said m-th beam and said m+2-base are both completed, and a rear-end lifting support device for moving rail (2) (2) -1) and the lifting support device (1-3-2) of the front end support (1-3) of the bridge machine (1) are supported on the m+1th pier, and the moving support device (5) is supported near the m+ 2 The ground or water bottom in front of the foundation, the bridge foundation construction device (4) is located at the set position of the m+3 foundation. The specific construction method of the m+2 pier has the following steps:

1) transport the m+2 pier to the mth beam, below the bridge machine (1), and the crane (1-4) above the bridge machine (1) runs above the m+2 pier;

2) The crane (1-4) above the bridge erecting machine (1) lifts the m+2 pier and positions the m+2 pier correctly at the set position of the front end of the mth beam;

3) The crane (1-4) above the bridging machine (1) runs backwards, allowing the space above the m+2 pier to be opened;

4) The mobile crane (3) runs backward through the bottom travel device (3-2) and the travel device (3-3), so that the top crane (3-1) at the upper rear of the mobile crane (3) reaches the first Setting position above the m+2 pier;

5) The top crane (3-1) at the upper rear of the mobile crane (3) lifts the m+2 pier and moves the m+2 pier from the rear of the mobile crane (3) to the mobile crane The front part of (3);

6) The mobile crane (3) with the m+2 pier through the bottom of the walking device (3-2) and the running device (3-3) forward to the top of the m+2 base, the m+2 The pier is placed on the basis of the m+2 and is accurately positioned and fixed into one body;

Repeat the above steps to complete the installation of the remaining piers.