CN112323643A - Beam transporting vehicle and method for carrying bridge girder erection machine - Google Patents
Beam transporting vehicle and method for carrying bridge girder erection machine Download PDFInfo
- Publication number
- CN112323643A CN112323643A CN202011292120.5A CN202011292120A CN112323643A CN 112323643 A CN112323643 A CN 112323643A CN 202011292120 A CN202011292120 A CN 202011292120A CN 112323643 A CN112323643 A CN 112323643A
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- Prior art keywords
- girder
- erection machine
- bridge
- girder erection
- bridge girder
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
-
- 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
- E01D21/06—Methods or apparatus specially adapted for erecting or assembling bridges by translational movement of the bridge or bridge sections
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to a beam transporting vehicle and a method for carrying a bridge girder erection machine, belonging to the technical field of high-speed rail construction engineering. The device comprises two identical beam transporting vehicles, wherein each beam transporting vehicle is provided with an independent power module; a connecting mechanism for connecting the two girder transporting vehicles into a whole is arranged between the two girder transporting vehicles. By adopting the beam transporting vehicle and the method for carrying the bridge girder erection machine, two independent beam transporting vehicles are hoisted by the front and rear overhead vehicles to enter the bridge girder erection machine without dismantling the lower cross beam of the O-shaped leg, so that the construction efficiency of the beam transporting vehicle for carrying the bridge girder erection machine is improved, and the construction time of the beam transporting vehicle for carrying the bridge girder erection machine is shortened; the lower cross beam of the O-shaped leg of the bridge girder erection machine does not need to be dismantled when the girder transportation vehicle carries the bridge girder erection machine, the working condition of erecting the box girder and the working condition of carrying are the same on the supporting mechanism of the top surface of the box girder, and the design of the O-shaped leg of the bridge girder erection machine is convenient to optimize. The working procedure of carrying the bridge girder erection machine by the girder transport vehicle is reduced, the working efficiency of carrying the bridge girder erection machine by the girder transport vehicle is improved, and the method has good market application prospect.
Description
Technical Field
The invention relates to a beam transporting vehicle and a method for carrying a bridge girder erection machine, belonging to the technical field of high-speed rail construction engineering.
Background
At present, the construction of high-speed railways in China is in a high-speed development period, bridges of the high-speed railways are connected with a roadbed, after a concrete box girder of one bridge is erected, a bridge girder erection machine needs to perform inter-bridge transfer (transfer from one bridge to another bridge), and at the moment, a girder transport vehicle needs to carry the bridge girder erection machine to perform the inter-bridge transfer. The construction method for carrying the inter-bridge transition of the bridge girder erection machine by the girder transport vehicle in the current market is that the middle part of the lower cross beam 9-1 of the O-shaped leg of the bridge girder erection machine shown in figure 3 needs to be dismantled, the girder transport vehicle enters the position for carrying the bridge girder erection machine, after the girder transport vehicle carries the bridge girder erection machine to move forward, the girder transport vehicle exits the bridge girder erection machine, the lower cross beam 9-1 of the O-shaped leg of the bridge girder erection machine is installed, the whole process is complicated, the design of the lower cross beam 9-1 of the O-shaped leg of the bridge girder erection machine is complicated, and two working conditions of box girder erection (with the lower cross beam 9-1)) and girder transport vehicle carrying (without the lower cross beam 9-1) need to be considered to be supported on a girder plane. The construction steps of the bridge transfer between the existing girder transport vehicles for carrying the bridge girder erection machine are as follows:
inter-bridge transfer step 1: front and rear support legs support, and the O-shaped leg is empty;
inter-bridge transfer step 2: the front overhead traveling crane moves to the O-shaped leg, and the lower cross beam 9-1 of the O-shaped leg is dismantled by the front overhead traveling crane;
inter-bridge transfer step 3: the front overhead crane hangs the lower beam 9-1 of the O-shaped leg and moves forward for 20 meters;
inter-bridge transfer step 4: the overhead traveling crane moves to the O-shaped leg;
inter-bridge transfer step 5: the beam transporting vehicle carries a carrying support to drive into the abdomen of the bridge girder erection machine at a low position, and the rear crown block puts a lower cross beam of an O-shaped leg at the front end of the beam transporting vehicle; the girder transporting vehicle moves to the designed position of the piggyback bridge girder erection machine, the piggyback support is jacked up, so that the O-shaped and rear support legs of the bridge girder erection machine are completely emptied, and the girder transporting vehicle piggybacks the bridge girder erection machine to move forward.
Inter-bridge transfer step 6: carrying the girder transport vehicle to the bridge head, and erecting the front support leg on the abutment top cap; the rear supporting legs are supported on the roadbed, and the girder transporting vehicle is suspended and descended to be disengaged from the bridge girder erection machine.
Inter-bridge transfer step 7: the girder transporting vehicle exits from the bridge girder erection machine; and an O-shaped leg lower cross beam 9-1 is installed by using the rear overhead traveling crane.
Inter-bridge transfer step 8: the front, O and rear support legs support the bridge girder erection machine together.
Therefore, a technical scheme of rapid construction that a girder transporting vehicle carries the bridge girder erection machine without dismantling a lower cross beam of an O-shaped leg is lacked in the prior art.
Disclosure of Invention
The invention aims to solve the technical problem of long construction time caused by the fact that a beam under an O-shaped leg needs to be dismantled when a beam carrying vehicle carries a bridge girder erection machine at present.
In order to solve the problems, the technical scheme adopted by the invention is to provide a beam transporting vehicle, which comprises two identical beam transporting vehicles, wherein each beam transporting vehicle is provided with an independent power module; a connecting mechanism for connecting the two girder transporting vehicles into a whole is arranged between the two girder transporting vehicles.
Preferably, the connecting mechanism between the beam transporting vehicles is flange bolt connection.
The invention provides a method for carrying a bridge girder erection machine by a girder transport vehicle; the method comprises the following steps:
step 1: after the last hole beam of the bridge erecting machine frame is completed, the crown block on the bridge erecting machine returns to the tail part of the bridge erecting machine;
step 2: the front girder transporting vehicle drives into the abdomen of the bridge girder erection machine, the front and rear overhead vehicles hoist the front girder transporting vehicle, and the front and rear overhead vehicles hoist the front girder transporting vehicle to move forwards to a carrying position through the O-shaped legs;
and step 3: the front overhead crane and the rear overhead crane fall on a beam surface in front of the O-shaped leg;
and 4, step 4: the rear girder transporting vehicle walks to the position of a piggyback bridge girder erection machine or moves forwards to the piggyback position by hoisting the rear girder transporting vehicle by a front crown block and a rear crown block;
and 5: mounting carrying brackets on the front and rear girder transport vehicles to enable the girder transport vehicles to carry the bridge girder erection machine forwards;
step 6: the girder transporting vehicle carries the bridge girder erection machine to the bridge head, the front supporting leg is supported on the abutment top cap, the O-shaped leg and the rear supporting leg are supported on the roadbed, and the girder transporting vehicle is suspended and descended to be disengaged from the bridge girder erection machine;
and 7: the rear girder transporting vehicle exits from the bridge girder erection machine or the rear girder transporting vehicle exits from the bridge girder erection machine by using the front and rear overhead cranes for hoisting;
and 8: a front girder transporting vehicle is hoisted by a front overhead crane and a rear overhead crane to exit the bridge girder erection machine;
and step 9: connecting bolts between the front and the rear beam transporting vehicles are connected to connect the front and the rear beam transporting vehicles into a whole, and the bridge girder erection machine starts girder erection.
Compared with the prior art, the invention has the following beneficial effects:
1) the two girder transporting vehicles are independent and respectively provided with the power modules at the front and the back, are connected into a whole through flange bolts when transporting box girders, and are equivalent to an independent girder transporting vehicle when transporting the box girders. When the bridge girder erection machine is carried, two independent girder transport vehicles are hoisted to enter the bridge girder erection machine through the front overhead traveling crane and the rear overhead traveling crane without dismantling a lower cross beam of an O-shaped leg, so that the construction efficiency of the girder transport vehicle for carrying the bridge girder erection machine is improved, and the construction time of the girder transport vehicle for carrying the bridge girder erection machine is shortened;
2) the lower cross beam of the O-shaped leg of the bridge girder erection machine does not need to be dismantled when the girder transportation vehicle carries the bridge girder erection machine, the working condition of erecting the box girder and the working condition of carrying are the same on the supporting mechanism of the top surface of the box girder, and the design of the O-shaped leg of the bridge girder erection machine is convenient and optimized.
Drawings
Fig. 1 is a front view schematically illustrating the girder transporting vehicle of the present invention.
Fig. 2 is a front view schematically showing the bridge girder erection machine of the present invention.
Fig. 3 is a schematic structural view when the bridge girder erection machine is carried by a crown block to lift the girder transporting vehicle passing through the cross section of the O-shaped leg.
Fig. 4 is a front view structural diagram of the girder transporting vehicle for carrying the bridge girder erection machine.
Reference numerals: 1. a frame; 2. a suspension assembly; 3. a power module; 4. an electrical system is unified; 5. a driver's cab; 6. the hydraulic system is unified; 7. a main frame; 8. a front leg; an "O" leg; an "O" shaped legrest cross-member; 10. a rear leg; 11. a front crown block; 12. a rear crown block; 13. a second hydraulic system; 14. and a second electrical system. 15. Carrying a beam vehicle; 16. a bridge erecting machine.
Detailed Description
In order to make the invention more comprehensible, preferred embodiments are described in detail below with reference to the accompanying drawings:
as shown in fig. 1-4, the present invention provides a girder transporting vehicle 15, which comprises two identical girder transporting vehicles 15, wherein each girder transporting vehicle 15 is provided with an independent power module 3; a connecting mechanism for connecting the two girder transporting vehicles 15 into a whole is arranged between the two girder transporting vehicles 15. The connection mechanism between the girder transporting vehicles 15 is a flange bolt connection.
A method for carrying a bridge girder erection machine by a girder transport vehicle; the method comprises the following steps:
step 1: the bridge girder erection machine 16 finishes erecting the last hole girder, and a crown block on the bridge girder erection machine 16 returns to the tail part of the bridge girder erection machine;
step 2: the front girder transporting vehicle drives into the belly of a bridge girder erection machine 16, the front overhead vehicle 11 and the rear overhead vehicle 12 hoist the front girder transporting vehicle 15, and the front and rear overhead vehicles hoist the front girder transporting vehicle 15 to move forwards to a carrying position through the O-shaped legs 9;
and step 3: the front and rear overhead trolleys fall on the beam surface in front of the O-shaped leg 9;
and 4, step 4: the rear girder transporting vehicle walks to the position of a piggyback bridge girder erection machine or moves forwards to the piggyback position by hoisting the rear girder transporting vehicle by a front crown block and a rear crown block;
and 5: mounting carrying brackets on the front and rear girder transport vehicles to enable the girder transport vehicles to carry the bridge girder erection machine forwards;
step 6: the girder transport vehicle carries the bridge girder erection machine to the bridge head, the front supporting leg 8 is erected on the abutment top cap, the O-shaped leg 9 and the rear supporting leg 10 are supported on the roadbed, and the girder transport vehicle 15 is suspended and descended to be disengaged from the bridge girder erection machine 16;
and 7: the rear girder transporting vehicle exits the bridge girder erection machine or exits the bridge girder erection machine 16 by using the front and rear overhead cranes to hoist the rear girder transporting vehicle;
and 8: the front and rear overhead cranes are used for hoisting the front girder transport vehicle to exit the bridge girder erection machine 16;
and step 9: connecting bolts for connecting the front and rear girder transporting vehicles to connect the front and rear girder transporting vehicles into a whole, and the bridge girder erection machine 16 starts girder erection.
The invention provides a beam transporting vehicle and a method for carrying a bridge girder erection machine, comprising a beam transporting vehicle 15 and a bridge girder erection machine 16. The girder transporting vehicle 15 comprises two same girder transporting vehicles in the front and the back, and each girder transporting vehicle comprises a frame 1, a suspension assembly 2, a power module 3, an electric system 4, a cab 5, a hydraulic system 6 and the like. The bridge girder erection machine 16 comprises a main frame 7, a front support leg 8, an O-shaped leg 9, a rear support leg 10, a front overhead crane 11, a rear overhead crane 12, a second hydraulic system 13, a second electric system 14 and the like. When carrying the bridge girder erection machine 16, the girder transport vehicle 15 hoists two independent girder transport vehicles to enter the bridge girder erection machine through the front and rear overhead cranes, and when entering the bridge girder erection machine, the O-shaped leg lower cross beam 9-1 is not required to be dismantled.
As shown in fig. 3; when the bridge girder erection machine is carried, two independent girder transport vehicles are hoisted to enter the bridge girder erection machine 16 through the front and rear overhead cranes without dismantling the lower cross beam 9-1 of the O-shaped leg, as shown in figure 4, the girder transport vehicles are 2 modules which are independent from each other front and rear, the front and rear girder transport vehicles are respectively positioned at two sides of the lower cross beam 9-1 of the O-shaped leg of the bridge girder erection machine, and the condition of interference with the lower cross beam 9-1 of the O-shaped leg does not exist.
The technical personnel in the field adopt the beam transporting vehicle and the method for carrying the bridge girder erection machine, two independent beam transporting vehicles are hoisted by the front and rear overhead cranes to enter the bridge girder erection machine without dismantling the lower cross beam 9-1 of the O-shaped leg, so that the construction efficiency of the beam transporting vehicle for carrying the bridge girder erection machine is improved, and the construction time of the beam transporting vehicle for carrying the bridge girder erection machine is shortened; the lower cross beam 9-1 of the O-shaped leg of the bridge girder erection machine does not need to be dismantled when the girder transportation vehicle carries the bridge girder erection machine, the working condition of erecting the box girder and the supporting mechanism of the carrying working condition on the top surface of the box girder are the same, and the design of the O-shaped leg of the bridge girder erection machine is convenient to optimize. The working procedure of carrying the bridge girder erection machine by the girder transport vehicle is reduced, the working efficiency of carrying the bridge girder erection machine by the girder transport vehicle is improved, and the method has good market application prospect.
While the invention has been described with respect to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. Those skilled in the art can make various changes, modifications and equivalent arrangements, which are equivalent to the embodiments of the present invention, without departing from the spirit and scope of the present invention, and which may be made by utilizing the techniques disclosed above; meanwhile, any changes, modifications and variations of the above-described embodiments, which are equivalent to those of the technical spirit of the present invention, are within the scope of the technical solution of the present invention.
Claims (3)
1. The utility model provides a fortune roof beam car which characterized in that: the device comprises two identical beam transporting vehicles, wherein each beam transporting vehicle is provided with an independent power module; a connecting mechanism for connecting the two girder transporting vehicles into a whole is arranged between the two girder transporting vehicles.
2. A girder transport vehicle as defined in claim 1, wherein: and the connecting mechanisms between the beam transporting vehicles are connected by flange bolts.
3. A method for carrying a bridge girder erection machine by a girder transport vehicle; the method is characterized by comprising the following steps:
step 1: after the last hole beam of the bridge erecting machine frame is completed, the crown block on the bridge erecting machine returns to the tail part of the bridge erecting machine;
step 2: the front girder transporting vehicle drives into the abdomen of the bridge girder erection machine, the front and rear overhead vehicles hoist the front girder transporting vehicle, and the front and rear overhead vehicles hoist the front girder transporting vehicle to move forwards to a carrying position through the O-shaped legs;
and step 3: the front overhead crane and the rear overhead crane fall on a beam surface in front of the O-shaped leg;
and 4, step 4: the rear girder transporting vehicle walks to the position of a piggyback bridge girder erection machine or moves forwards to the piggyback position by hoisting the rear girder transporting vehicle by a front crown block and a rear crown block;
and 5: mounting carrying brackets on the front and rear girder transport vehicles to enable the girder transport vehicles to carry the bridge girder erection machine forwards;
step 6: the girder transporting vehicle carries the bridge girder erection machine to the bridge head, the front supporting leg is supported on the abutment top cap, the O-shaped leg and the rear supporting leg are supported on the roadbed, and the girder transporting vehicle is suspended and descended to be disengaged from the bridge girder erection machine;
and 7: the rear girder transporting vehicle exits from the bridge girder erection machine or the rear girder transporting vehicle exits from the bridge girder erection machine by using the front and rear overhead cranes for hoisting;
and 8: a front girder transporting vehicle is hoisted by a front overhead crane and a rear overhead crane to exit the bridge girder erection machine;
and step 9: connecting bolts between the front and the rear beam transporting vehicles are connected to connect the front and the rear beam transporting vehicles into a whole, and the bridge girder erection machine starts girder erection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011292120.5A CN112323643A (en) | 2020-11-18 | 2020-11-18 | Beam transporting vehicle and method for carrying bridge girder erection machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011292120.5A CN112323643A (en) | 2020-11-18 | 2020-11-18 | Beam transporting vehicle and method for carrying bridge girder erection machine |
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| CN112323643A true CN112323643A (en) | 2021-02-05 |
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| CN202011292120.5A Pending CN112323643A (en) | 2020-11-18 | 2020-11-18 | Beam transporting vehicle and method for carrying bridge girder erection machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114293474A (en) * | 2021-12-31 | 2022-04-08 | 中铁十四局集团青岛工程有限公司 | Carrying support and high-speed rail bridge girder erection machine transferring method |
| CN114370006A (en) * | 2022-02-16 | 2022-04-19 | 中铁十一局集团有限公司 | Construction method for transferring girder transport vehicle carrying bridge girder erection machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114293474A (en) * | 2021-12-31 | 2022-04-08 | 中铁十四局集团青岛工程有限公司 | Carrying support and high-speed rail bridge girder erection machine transferring method |
| CN114293474B (en) * | 2021-12-31 | 2024-01-23 | 中铁十四局集团青岛工程有限公司 | Method for transferring carrying support and viaduct machine |
| CN114370006A (en) * | 2022-02-16 | 2022-04-19 | 中铁十一局集团有限公司 | Construction method for transferring girder transport vehicle carrying bridge girder erection machine |
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Application publication date: 20210205 |
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