Multi-line high-speed rail box girder bridge girder erection machine

Abstract

The invention discloses a multi-line high-speed rail box girder bridge girder erection machine which comprises a girder, a front supporting leg, a middle supporting leg, a rear supporting leg, a rear hoisting trolley, a front hoisting trolley, a power chamber, a middle supporting leg sliding way, a middle supporting leg sliding cushion box, a middle supporting leg transverse moving oil cylinder, a front supporting leg sliding way, a front supporting leg sliding cushion box and a front supporting leg transverse moving oil cylinder. A middle supporting leg slide way is arranged above a web plate of an erected box girder of the adjacent multi-line high-speed rail; a front supporting leg slide way is arranged above a padstone of a pier of the adjacent multi-line high-speed rail; then hole passing, girder transporting and girder erecting are conducted on a line box girder far away from the existing railway, girder feeding is completed on a line pier far away from the existing railway, then a front supporting leg, a middle supporting leg, a girder and the like of the bridge erecting machine are pushed to the line pier close to the existing railway through the action of a middle supporting leg transverse moving oil cylinder and a front supporting leg transverse moving oil cylinder, and then girder falling is completed; when a multi-line box girder is erected, the edge adjusting time and the hole passing time can be shortened, the time for influencing an existing railway is saved, and potential safety hazards are reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of bridge erection machines, and in particular to a multi-line high-speed railway box girder bridge erection machine. Background Art

[0002] With the rapid development of high-speed railways in my country, the number of railway projects of adding second lines or introducing new lines into existing railways has increased. There is a construction condition of transporting and erecting beams beside the existing operating railway. Conventional bridge-building machines can only erect one line. After erecting one line, they will move to the side to erect another line. They cannot erect two adjacent lines at the same time. This takes up a long time of railway operation, is not conducive to railway transportation organization, and poses potential safety risks to existing lines for a longer time.

[0003] Therefore, it is necessary to develop a multi-line high-speed railway box girder bridge erecting machine to solve the above problems. Summary of the Invention

[0004] The purpose of the present invention is to design a multi-line high-speed railway box girder bridge erecting machine in order to solve the above problems.

[0005] The present invention achieves the above-mentioned purpose through the following technical solutions: A multi-track high-speed railway box girder bridge erecting machine, comprising: main beam; front outrigger; Middle leg; Rear outriggers: The front outriggers, middle outriggers, and rear outriggers are installed on the main beam in sequence from front to back; rear lifting trolley; Front lifting trolley; both the rear lifting trolley and the front lifting trolley are installed on the main beam; Power room: The power room provides power source for the rear lifting trolley, front lifting trolley, middle outrigger transverse movement cylinder, and front outrigger transverse movement cylinder; Middle outrigger slideway: The middle outrigger slideway is installed above the web of the erected box girder of the adjacent multi-line high-speed railway; Middle outrigger sliding pad box; the middle outrigger sliding pad box is installed at the bottom of the middle outrigger, and the middle outrigger sliding pad box can be slidably installed on the middle outrigger slideway; The middle outrigger lateral movement oil cylinder is used to push the middle outrigger sliding pad box along the middle outrigger slideway; the middle outrigger lateral movement oil cylinder is installed on the middle outrigger slideway; Front outrigger slideway; the front outrigger slideway is installed above the pad stone of the bridge pier of the adjacent multi-line high-speed railway; Front outrigger sliding pad box; the front outrigger sliding pad box is installed at the bottom of the front outrigger, and the front outrigger sliding pad box can be slidably installed on the front outrigger slideway; The front outrigger transverse movement oil cylinder is used to push the front outrigger sliding pad box along the front outrigger slide; the front outrigger transverse movement oil cylinder is installed on the front outrigger slide.

[0006] The beneficial effects of the present invention are: In the present application, a middle support leg slide is arranged above the web of the erected box girder of the adjacent multi-line high-speed railway; and a front support leg slide is arranged above the pad stone of the bridge pier of the adjacent multi-line high-speed railway; then the box girder of the line far away from the existing railway is passed through the hole, the beam is transported and the beam is erected, and the beam feeding is completed first on the line pier far away from the existing railway, and then the front support leg, middle support leg, main beam, etc. of the bridge erection machine are pushed to the line pier close to the existing railway through the action of the middle support leg transverse cylinder and the front support leg transverse cylinder to complete the beam dropping. When erecting multi-line box girders, the bridge erection machine can reduce the side adjustment time and the hole passing time, greatly improve the construction efficiency, save the time affecting the existing railway, and reduce safety hazards. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] Figure 1 is the main view of this application; Figure 2 It is a side view of the outrigger in the bridge erecting machine of this application; Figure 3 It is a side view of the front outrigger of the bridge erecting machine in this application; Figure 4 This is the main view of the working state of the bridge erection machine in this application; Figure 5 This is a side view of the legs of the bridge erecting machine in the present application in a working state of erecting beams away from the existing railway; Figure 6 This is a side view of the support legs of the bridge erecting machine in the present application when it is in a working state away from the existing railway beam erection; Figure 7 This is a side view of the outriggers in the present application when the bridge erecting machine is in a working state of being moved horizontally to an area adjacent to an existing railway; Figure 8 This is a side view of the outriggers before the bridge-erecting machine in this application is moved horizontally to a working state adjacent to an existing railway; In the figure, 1-main beam, 2-front outrigger, 3-middle outrigger, 4-rear outrigger, 5-rear lifting trolley, 6-front lifting trolley, 7-power room, 8-middle outrigger slide, 9-middle outrigger sliding pad box, 10-middle outrigger steel pier, 11-front outrigger slide, 12-front outrigger sliding pad box, 13-front outrigger steel pier, 14-middle outrigger transverse cylinder, 15-front outrigger transverse cylinder, 16-bridge pier, 17-erected box girder, 18-box girder to be erected, 19-existing railway, 20-train. DETAILED DESCRIPTION

[0008] To make the objectives, technical solutions, and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings of the embodiments of the present invention. It should be understood that the described embodiments are only a portion of the embodiments of the present invention, not all of them. Generally, the components of the embodiments of the present invention described and illustrated in the drawings herein may be arranged and designed in a variety of different configurations.

[0009] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but merely represents selected embodiments of the present invention. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without creative effort shall fall within the scope of protection of the present invention.

[0010] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not require further definition or explanation in subsequent drawings.

[0011] In the description of the present invention, it should be understood that the terms "upper", "lower", "inside", "outside", "left", "right", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the inventive product is conventionally placed when in use, or are the orientations or positional relationships conventionally understood by those skilled in the art. These are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0012] Furthermore, the terms “first”, “second”, etc. are merely used for distinguishing descriptions and should not be understood as indicating or implying relative importance.

[0013] In the description of the present invention, it should also be noted that, unless otherwise expressly specified or limited, terms such as "disposed" and "connected" should be understood in a broad sense. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can also mean internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0014] The specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0015] like Figure 1-6 As shown, a multi-line high-speed railway box girder bridge erecting machine includes: Main beam 1: The main beam 1 is a combined box-shaped steel structure welded from steel plates; Front support leg 2; Middle leg 3; The rear support leg 4; the front support leg 2, the middle support leg 3, and the rear support leg 4 are installed on the main beam 1 in sequence from front to back; Rear lifting trolley 5; Front lifting trolley 6; rear lifting trolley 5 and front lifting trolley 6 are both installed on the main beam 1; rear lifting trolley 5 and front lifting trolley 6 are used for lifting and longitudinal movement of the beam; Power room 7; Power room 7 provides power source for rear lifting trolley 5, front lifting trolley 6, middle outrigger lateral movement cylinder 14, and front outrigger lateral movement cylinder 15; A plurality of middle leg steel buttresses 10; The middle leg slide 8; the middle leg slide 8 is installed on a plurality of middle leg steel piers 10, and the plurality of middle leg steel piers 10 are installed above the web of the box girder 17 of the adjacent multi-line high-speed railway; The middle leg sliding pad box 9; the middle leg sliding pad box 9 is installed at the bottom of the middle leg 3, and the middle leg sliding pad box 9 is slidably installed on the middle leg slide 8; A middle leg transverse oil cylinder 14 is used to push the middle leg sliding pad box 9 along the middle leg slide 8; the middle leg transverse oil cylinder 14 is installed on the middle leg slide 8; Multiple front leg steel buttresses 13; Front support leg slide 11; the front support leg slide 11 is installed on multiple front support leg steel piers 13, and multiple front support leg steel piers 13 are installed above the pad stone of the adjacent multi-line high-speed railway pier 16; Front leg sliding pad box 12; the front leg sliding pad box 12 is installed at the bottom of the front leg 2, and the front leg sliding pad box 12 is slidably mounted on the front leg slide 11; The front outrigger transverse oil cylinder 15 is used to push the front outrigger sliding pad box 12 along the front outrigger slide 11 ; the front outrigger transverse oil cylinder 15 is installed on the front outrigger slide 11 .

[0016] In this application, a middle leg sliding pad box 9 is provided at the lower part of the middle leg 3, which is used to transfer the load of the middle leg 3 of the bridge-building machine downward and provide a horizontal sliding device for the rear end of the bridge-building machine, and has a longitudinal limiting function to prevent it from sliding out of the middle leg slide 8; a middle leg slide 8 is provided at the lower part of the middle leg sliding pad box 9 to provide a platform for the middle leg 3 and the middle leg sliding pad box 9 to move along the middle leg slide; a middle leg steel pier 10 is provided under the middle leg slide 8, which is located above the web of the beam and is used to transfer the construction load to the beam surface; a middle leg hydraulic cylinder is provided on one side of the middle leg sliding pad box 9 to provide horizontal sliding force for the middle leg 3 and the middle leg sliding pad box 9.

[0017] A front leg sliding pad box 12 is provided at the lower part of the front leg 2. The front leg sliding pad box 12 is used to transfer the load of the front leg 2 of the bridge erection machine downward and provide a horizontal sliding device for the front end of the bridge erection machine, and has a longitudinal limiting function to prevent it from sliding out of the front leg slide 11; a front leg slide 11 is provided at the lower part of the front leg sliding pad box 12 to provide a platform for the front leg 2 and the front leg sliding pad box 12 to move along the front leg slide; a front leg steel pier 13 is provided under the front leg slide 11, which is located above the pier top pad stone and is used to transfer the construction load to the pier top; a hydraulic cylinder is provided on one side of the front leg sliding pad box 12 to provide horizontal sliding force for the front leg 2 and the front leg sliding pad box 12.

[0018] In some embodiments, the present application is a two-line high-speed railway box girder bridge erecting machine, with four middle leg steel piers 10, two middle leg sliding pad boxes 9, four front leg steel piers 13, and two front leg sliding pad boxes 12. Two middle leg steel piers 10 are installed above the web of the erected box girder 17 of each line, and two front leg steel piers 13 are installed above the pad stone of the pier of each line. No matter which high-speed railway line the bridge erecting machine is performing the beam lowering operation on, the two middle leg sliding pad boxes 9 are respectively placed above the two middle leg steel piers 10, and the two front leg sliding pad boxes 12 are respectively placed above the two front leg steel piers 13. The purpose of this arrangement is to ensure operational stability during the beam lowering process.

[0019] In some embodiments, the front legs 2 , the middle legs 3 , and the rear legs 4 are all formed into a door-type structure.

[0020] In some embodiments, the power compartment 7 includes an internal combustion engine, a hydraulic pump station, and an electronic control system.

[0021] like Figure 5 As shown, the middle leg steel pier 10 is supported above the web of the erected box girder 17, and the middle leg transverse slide 8 is supported on the middle leg steel pier 10, and the two are connected by high-strength bolts; the middle leg transverse oil cylinder 14 and the middle leg sliding pad box 9 are installed on the middle leg transverse slide 8, and the middle leg sliding pad box 9 is located at the bottom of the middle leg 3 and is connected with high-strength bolts; the bottom of the middle leg sliding pad box 9 and the top of the middle leg slide 8 can slide relative to each other; the middle leg transverse oil cylinder 14 provides sliding power for the middle leg 3.

[0022] like Figure 6 As shown, the front leg steel pier 13 is supported above the pier top 16 pad stone, and the front leg transverse slide 11 is supported on the front leg steel pier 13, and the two are connected by high-strength bolts; the front leg transverse cylinder 15 and the front leg sliding pad box 12 are installed on the front leg transverse slide 11, and the front leg sliding pad box 12 is located at the bottom of the front leg 2 and is connected with high-strength bolts; the bottom of the front leg sliding pad box 12 and the top of the front leg slide 11 can slide relative to each other; the front leg transverse cylinder 15 provides sliding power for the front leg 2.

[0023] like Figure 5-8 As shown, the bridge-erecting machine is located on the left side of the newly built line (away from the existing railway 19) to carry out bridge-erecting machine crossing holes, transporting beams and feeding beams. A train 20 is running on the existing railway 19. When the box beam 18 to be erected on the right side (near the existing railway 19) is erected on the left side of the line to the span to be erected, the bridge-erecting machine is pushed synchronously with the front leg transverse cylinder 15 and the middle leg transverse cylinder 14 to push the box beam 18 to be erected to the right side of the beam drop position. After the beam is in place, the bridge-erecting machine is pulled back to the left side of the newly built line synchronously with the front leg transverse cylinder 15 and the middle leg transverse cylinder 14 to erect the left box beam. After the entire span is erected, the next cycle is carried out.

[0024] The above are only preferred embodiments of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A multi-line high-speed railway box girder bridge erecting machine, characterized in that: include: Main beam (1); Front legs (2); Middle leg (3); The rear supporting leg (4); the front supporting leg (2), the middle supporting leg (3), and the rear supporting leg (4) are sequentially installed on the main beam (1) from front to back; rear lifting trolley (5); The front lifting trolley (6); the rear lifting trolley (5) and the front lifting trolley (6) are both mounted on the main beam (1); Power room (7); the power room (7) provides power source for the rear lifting trolley (5), the front lifting trolley (6), the middle outrigger lateral movement cylinder (14), and the front outrigger lateral movement cylinder (15); Middle support leg slideway (8); the middle support leg slideway (8) is installed above the web of the erected box girder (17) of the adjacent multi-line high-speed railway; Middle leg sliding pad box (9); the middle leg sliding pad box (9) is installed at the bottom of the middle leg (3), and the middle leg sliding pad box (9) is slidably installed on the middle leg slide (8); A middle leg transverse oil cylinder (14) for pushing the middle leg sliding pad box (9) along the middle leg slideway (8); the middle leg transverse oil cylinder (14) is installed on the middle leg slideway (8); Front outrigger slideway (11); the front outrigger slideway (11) is installed above the pad stone of the bridge pier (16) of the adjacent multi-line high-speed railway; Front leg sliding pad box (12); the front leg sliding pad box (12) is installed at the bottom of the front leg (2), and the front leg sliding pad box (12) is slidably installed on the front leg slide (11); A front outrigger lateral movement oil cylinder (15) is used to push the front outrigger sliding pad box (12) along the front outrigger slideway (11); the front outrigger lateral movement oil cylinder (15) is installed on the front outrigger slideway (11).

2. A multi-line high-speed railway box girder bridge erecting machine according to claim 1, characterized in that: The front supporting leg (2), the middle supporting leg (3), and the rear supporting leg (4) are all formed into a door-type structure.

3. The multi-line high-speed railway box girder bridge erecting machine according to claim 1, characterized in that: The power room (7) includes an internal combustion engine, a hydraulic pump station and an electronic control system.

4. The multi-line high-speed railway box girder bridge erecting machine according to claim 1, characterized in that: The multi-track high-speed railway box girder bridge erecting machine further comprises a plurality of middle leg steel piers (10), wherein the plurality of middle leg steel piers (10) are installed between the middle leg slideways (8) and the webs of the erected box girders (17) of the adjacent multi-track high-speed railways.

5. The multi-line high-speed railway box girder bridge erecting machine according to claim 1, characterized in that: The multi-track high-speed railway box girder bridge erecting machine further comprises a plurality of front support leg steel piers (13), wherein the plurality of front support leg steel piers (13) are installed above the pad stones of the front support leg slideway and the bridge piers (16) of the adjacent multi-track high-speed railway.

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