CN111074791A - Railway bridge transporting and replacing integrated machine and construction method - Google Patents
Railway bridge transporting and replacing integrated machine and construction method Download PDFInfo
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- CN111074791A CN111074791A CN201911409100.9A CN201911409100A CN111074791A CN 111074791 A CN111074791 A CN 111074791A CN 201911409100 A CN201911409100 A CN 201911409100A CN 111074791 A CN111074791 A CN 111074791A
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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
- 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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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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Abstract
The invention relates to a railway bridge transporting and replacing integrated machine and a construction method, wherein the integrated machine comprises a locomotive, a multi-axle flat car A, a multi-axle flat car B, a vehicle-mounted frame-replacing beam machine, a transition bridge and a beam-carrying trolley for supporting a beam body to be replaced; the vehicle-mounted frame-changing beam machine is arranged at the top of the multi-axle flat car B, and the beam-carrying trolley is arranged on the multi-axle flat cars A and B; a construction method using the all-in-one machine of the invention; the invention has simple structure and convenient operation, can realize the long-distance transportation on a railway line, can realize the removal of an old beam and the erection of a new beam on the railway line, does not need any other auxiliary machines and tools, and greatly improves the working efficiency.
Description
Technical Field
The invention relates to a railway bridge transporting and replacing frame all-in-one machine and a construction method, and belongs to the technical field of railway bridge body replacement. When the old beam needs to be removed and a new beam needs to be erected at the original bridge position due to structural damage, speed increase and the like of the railway bridge beam body, the invention can run on the existing railway line, can safely and efficiently realize the removal of the old beam and the erection of the new beam on the line, and is suitable for the railway bridge girder replacement operation under various environmental conditions.
Background
In the operation process of the railway bridge, the structure damage phenomenon often appears, and for guaranteeing the operation safety of railway lines, the damaged beam body needs to be replaced, and in addition, for satisfying the heavy-duty transportation demand of railway, the beam body that bearing capacity is low needs to be replaced by a new beam with high bearing capacity. The existing railway bridge frame replacing technology is divided into two types: no matter the cross-line gantry crane is adopted for replacing the frame or the off-line overhead trolley is adopted for replacing the frame, the rails are laid on two sides of the bridge, so that the walking operation requirements of the cross-line gantry crane or the overhead trolley are met. The track laying needs to carry out land acquisition within a certain range on both sides of the bridge, and land acquisition is difficult and high in cost. In addition, when the bridge passes through rivers or the bridge site is located in the high mountain canyon region, the technical difficulty of laying the walking track is large, and the operation safety risk is high.
Disclosure of Invention
The invention aims to solve the technical problem of providing the railway bridge frame moving and replacing integrated machine and the construction method which are not influenced by the surrounding environment of the railway bridge and can run on the existing railway line and realize the bridge frame replacement, thereby improving the engineering environment applicability of the railway bridge frame replacing equipment and reducing the influence degree of the external environment on the frame beam replacing construction to the minimum.
The invention adopts the following technical scheme:
the integrated machine comprises a locomotive, a multi-axle flat car, a vehicle-mounted frame-changing beam machine, a transition bridge and a beam-carrying trolley for supporting a beam body to be changed; the multi-axle flat car comprises a multi-axle flat car A and a multi-axle flat car B which are identical in structure, the multi-axle flat car A and the multi-axle flat car B are sequentially connected to a locomotive in a hanging mode, and the vehicle-mounted frame replacing beam machine is arranged at the top of the multi-axle flat car B and can longitudinally run along the multi-axle flat car B; the beam-carrying trolley is arranged on the multi-axis flat car A and the multi-axis flat car B and can move longitudinally along the multi-axis flat car; the transition bridge is hinged between the multi-axle flat car A and the multi-axle flat car B or is arranged on the top of the multi-axle flat car A or the multi-axle flat car B in an overturning manner.
The vehicle-mounted frame-changing beam machine of the all-in-one machine comprises a main beam, a trolley capable of running along the main beam, door-shaped supporting legs which are arranged at the front part and the rear part of the main beam and can be reduced in height and width, and running wheels arranged at the bottoms of the door-shaped supporting legs; the main beam comprises a beam body, a walking track arranged at the bottom of the beam body, mounting holes arranged at two ends of the beam body and a transverse track arranged in the mounting holes; the lifting trolley is supported on the walking track; the door-shaped supporting legs comprise telescopic cross beams, telescopic supporting legs fixedly arranged at two ends of the telescopic cross beams and brackets fixedly arranged at the bottoms of the telescopic supporting legs, and the brackets can be fixed on the top plate of the multi-shaft flat car; the telescopic cross beams respectively penetrate through mounting holes at two ends of the beam body, a transverse oil cylinder is mounted between the beam body and the outer sleeve end part of the telescopic cross beam, and the transverse movement of the door-shaped supporting leg and the main beam can be realized under the action of the transverse oil cylinder; the vehicle-mounted frame beam replacing machine has 2 operation states: the transportation state and the beam erecting state, the telescopic cross beam and the telescopic supporting legs are respectively in the transportation state of the vehicle-mounted beam replacing machine when being in the contraction and height reduction states, and the telescopic cross beam and the telescopic supporting legs are respectively extended to the normal state to be in the beam erecting state.
The multi-axle flat car comprises a balance frame, a bogie arranged at the bottom of the balance frame, a collision hook arranged at one end of the balance frame and a hinge shaft arranged at the other end of the balance frame; the bogie is a three-axis, four-axis or five-axis bogie; the load on the upper part of the balanced frame can be uniformly distributed to each bogie.
The walking wheels of the all-in-one machine are arranged at the bottom of the bracket; the hoisting trolleys are 2-4.
The telescopic beam and the telescopic supporting legs of the all-in-one machine are of sleeve structures sleeved by a plurality of sections, a telescopic oil cylinder is arranged in the telescopic beam, and a jacking oil cylinder is arranged in the telescopic supporting legs.
In the all-in-one machine, 2 beam carrying trolleys which are positioned at two ends of the bottom of a to-be-replaced beam or a disassembled old beam are arranged on each multi-axis flat car A and each multi-axis flat car B.
The invention discloses an all-in-one machine, which comprises a flat car body, wheels arranged at the bottom of the flat car body and a baffle arranged on the outer side of the flat car body.
The construction method of the invention adopts the following steps:
step one, setting an operation station near a bridge position to be replaced, prefabricating a new beam and reserving a field for storing an old beam;
step two, mounting the new beam to be erected on a beam carrying trolley of the multi-axle flat car A, mounting the vehicle-mounted frame replacing beam machine on a multi-axle flat car B, and sequentially hooking the multi-axle flat car A and the multi-axle flat car B with a locomotive through a collision hook, wherein the vehicle-mounted frame replacing beam machine is in a transportation state;
step three, at a skylight point of the frame-replacing operation, a locomotive drives a multi-axle flat car A and a multi-axle flat car B to be transported to a bridge position to be replaced, a transition bridge is turned to be in a horizontal state, two ends of the transition bridge are respectively hinged with the end parts of the multi-axle flat car A and the multi-axle flat car B through hinged shafts, one end of a vehicle-mounted frame-replacing beam machine passes through the top surface of the transition bridge and runs to the right end of the multi-axle flat car A, and when a left-end door-shaped supporting leg of the vehicle-mounted frame-replacing beam machine runs to a preset position of the right end of the multi-axle flat car A, the running is stopped and the door;
step four, removing the connection between the transition bridge and the multi-axle flat car B, turning the multi-axle flat car B to the top of the multi-axle flat car A, and separating the multi-axle flat car A from the multi-axle flat car B; braking the multi-axle flat car B, driving the multi-axle flat car A to retreat by the locomotive, and in the retreating process, enabling the door-shaped supporting leg on the vehicle-mounted frame replacing beam machine on the multi-axle flat car B to roll and move backwards on the top of the multi-axle flat car B until the vehicle-mounted frame replacing beam machine is located at a frame replacing operation position, and stopping the locomotive;
fixing the vehicle-mounted frame-changing machine on the top of the multi-axle flat car B and restoring the multi-axle flat car B to a frame beam state, hoisting the old beam by two hoisting trolleys to longitudinally move forwards along a walking track at the bottom of a beam body, when the hoisting trolley positioned at the front part moves to the end part of a main beam, the front hoisting trolley falls down, the front end of the old beam falls onto the girder-carrying trolley positioned at the front part of the multi-axle flat car B, then the hoisting trolley positioned at the rear part and the girder-carrying trolley positioned at the front part synchronously move forwards, when the hoisting trolley positioned at the rear part moves to the end part of the main beam, placing the old beam on the girder-carrying trolley positioned at the rear part of the multi-axle;
sixthly, moving the two trolleys backwards to the upper part of the multi-axle flat car A, moving the two girder-carrying trolleys on the multi-axle flat car A forwards, lifting the front end of a new girder by falling the front trolley when the front girder-carrying trolley moves to the lower part of the front trolley, moving the front trolley and the girder-carrying trolley positioned at the rear forwards synchronously, lifting the rear end of the new girder by falling the rear trolley when the rear girder-carrying trolley moves to the lower part of the rear trolley, and moving the new girder to the operation position needing girder erection by the two trolleys synchronously;
seventhly, the two hoisting trolleys fall down synchronously, and the new beam is erected to the position where the frame beam is replaced to complete the erection of the new beam;
step eight, restoring the vehicle-mounted frame-changing beam machine to a transportation state, hanging the multi-axle flat car A and the multi-axle flat car B by utilizing the driving of a locomotive, transporting the old beam and the vehicle-mounted frame-changing beam machine to a frame-changing station together, and completing the frame-changing operation of the one-hole bridge; waiting for another operation skylight point, and then carrying out next hole rack replacement operation.
The invention has the following positive effects: the multi-axle flat car consists of a multi-axle flat car A, a multi-axle flat car B and a vehicle-mounted frame-changing beam machine, is driven by a locomotive, is convenient to control and reduces the transportation failure rate; because trade a roof beam machine and place on the multiaxis flatbed, multiaxis flatbed speed is: the heavy load is 40km/h, and the light load is 60km/h (equipment movement), which is greatly higher than that of common engineering vehicles and engineering equipment, shortens the transportation time, and improves the frame beam replacement efficiency; due to the load sharing effect of the multi-axle flat car A and the multi-axle flat car B, the vehicle-mounted frame-changing beam machine can change beams with any span (standard span and non-standard span) below 32m without changing the span; the vehicle-mounted frame-changing beam machine supporting legs adopt a straight leg type door-shaped structure, so that high-low lifting and width expansion and contraction are facilitated, the vehicle-mounted frame-changing beam machine and the longitudinal movement of the new and old beams on the multi-axis flat car A and the multi-axis flat car B both adopt a traction mode, 2 trolleys are arranged because the frame-changing beam machine and the new and old beams do not longitudinally move at the same time, and meanwhile, 2 trolleys can be installed in a standby mode, when the trolley breaks down, the operation can be completed by the other 2 standby trolleys, and the reliability is greatly improved; the transition bridge is connected between the multi-axle flat car A and the multi-axle flat car B when reaching the frame changing position, so that the door-shaped supporting legs of the vehicle-mounted frame changing beam machine can conveniently span on the transition bridge.
The invention overcomes the defects of the existing frame replacing technology of the railway bridge, solves the technical problem that the frame replacing operation can not be carried out when the railway bridge crosses the river valley, has simple structure and convenient operation, can realize the long-distance transportation on a railway line, and can realize the removal of the old beam and the erection of a new beam on the railway line. The invention enables the transportation of the new beam, the removal of the old beam and the erection of the new beam to be completed by the integrated machine without any other auxiliary machines, thereby greatly improving the working efficiency.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the vehicle-mounted frame beam replacing machine;
FIG. 3 is a schematic view of the main beam structure of the present invention;
FIG. 4 is a schematic structural view of a door-shaped leg of the present invention;
FIG. 5 is a schematic structural view of a multi-axle flat car A or a multi-axle flat car B according to the present invention;
FIG. 6 is an enlarged view of portion A of FIG. 3;
FIG. 7 is a schematic structural view of a piggyback car according to the present invention;
FIG. 8 is a schematic structural view of a transport state of the present invention;
FIG. 9 is a structural diagram of the old beam of the present invention in a lifting and translating state;
FIG. 10 is a schematic view of the construction of the new beam of the present invention.
Detailed Description
In describing the present invention, where "rear" is the left-hand direction of travel of the locomotive 5 of FIG. 1, longitudinal is transaxle-wise, and lateral is transaxle-wise, it is to be understood that such location is merely for convenience in describing the present invention and does not indicate or imply that the device or component being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus is not to be construed as limiting the present invention.
As shown in the attached figure 1, the integrated machine comprises a locomotive 5, a multi-axle flat car, a vehicle-mounted frame-changing beam machine 1, a transition bridge 3 and a beam-carrying trolley 4 for supporting a beam body to be changed; the multi-axle flat car comprises a multi-axle flat car A21 and a multi-axle flat car B22 which are identical in structure, wherein the multi-axle flat car A21 and the multi-axle flat car B22 are sequentially hung on the locomotive 5, and the vehicle-mounted frame-changing beam machine 1 is arranged at the top of the multi-axle flat car B22 and can longitudinally run along the same; the girder-carrying trolley 4 is arranged on the multi-axis flat car A21 and the multi-axis flat car B22 and can move longitudinally along the multi-axis flat car 2; the transition bridge 3 is hinged between the multi-axle flat car A21 and the multi-axle flat car B22 or is arranged on the top of the multi-axle flat car A21 or the multi-axle flat car B22 in an overturning way.
As shown in fig. 2, 3, 4 and 6, the vehicle-mounted frame-changing beam machine 1 of the all-in-one machine of the invention comprises a main beam 101, a trolley 102 capable of running along the main beam 101, door-shaped support legs 103 which are arranged at the front and rear parts of the main beam 101 and can be reduced in height and width, and running wheels 104 arranged at the bottoms of the door-shaped support legs 103; the main beam 101 comprises a beam body 1011, a walking rail 1012 arranged at the bottom of the beam body 1011, mounting holes 1013 arranged at two ends of the beam body 1011, and a cross sliding rail 1014 arranged in the mounting holes 1013; the trolley 102 is supported on a walking track 1012; the door-shaped leg 103 comprises a telescopic cross beam 1031, telescopic legs 1034 fixedly arranged at two ends of the telescopic cross beam 1031 and a bracket 1036 fixedly arranged at the bottom of the telescopic legs 1034, wherein the bracket 1036 can be fixed on the top plate of the multi-axis flat car; the telescopic beams 1031 respectively penetrate through mounting holes 1013 at two ends of the beam body 1011, traverse cylinders 1032 are mounted between the beam body 1011 and the outer sleeve ends of the telescopic beams 1031, and the transverse movement of the gate-shaped support legs 103 and the main beams 101 can be realized under the action of the traverse cylinders 1032. The telescopic beam 1031 and the telescopic legs 1034 are sleeve structures sleeved by a plurality of sections, a telescopic cylinder 1033 is installed in the telescopic beam 1031, and a jacking cylinder 1035 is installed in the telescopic legs 1034. The running wheels 104 are arranged at the bottom of a bracket 1036; the number of the trolley 102 is 2-4, because the girder replacement machine and the new and old girders are not longitudinally moved simultaneously, 2 trolleys are arranged, and 2 trolleys 102 can be installed in a standby mode, when the trolley 102 breaks down, the other 2 standby trolleys 102 can be used for completing the operation, and the reliability is greatly improved.
The vehicle-mounted girder replacing machine 1 of the all-in-one machine has 2 operation states: in the transportation state and the girder erection state, the retractable beam 1031 and the retractable legs 1034 are in the transportation state of the vehicle-mounted girder replacement machine 1 when being in the retracted and elevated states, respectively, and the retractable beam 1031 and the retractable legs 1034 are in the girder erection state when being extended to the normal state, respectively.
As shown in fig. 1, 5 and 7, the multi-axle flat car 2 of the all-in-one machine of the invention comprises an equalizing frame 201, a bogie 202 arranged at the bottom of the equalizing frame 201, a collision hook 203 arranged at one end of the equalizing frame 201 and a hinge shaft 204 arranged at the other end of the equalizing frame 201; the bogie 202 is a three-axis, four-axis or five-axis bogie; the load on the upper part of the equalizing frame 201 can be evenly distributed to each bogie 202. 2 girder carrying trolleys 4 positioned at two ends of the bottom of a new girder to be replaced or a disassembled old girder are respectively arranged on each multi-axis flat car A21 and each multi-axis flat car B22; the piggy-back car 4 comprises a flat car body 41, wheels 42 arranged at the bottom of the flat car body 41 and a baffle 43 arranged outside the flat car body 41.
As shown in the attached figures 8-10, the construction method of the railway bridge transporting and frame replacing integrated machine adopts the following steps:
step one, setting an operation station near a bridge position to be replaced, prefabricating a new beam and reserving a field for storing an old beam;
step two, mounting the new beam to be erected on a beam-carrying trolley 4 of a multi-axle flat car A21, mounting the vehicle-mounted frame-changing beam machine 1 on a multi-axle flat car B22, sequentially hooking the multi-axle flat car A21, the multi-axle flat car B22 and the locomotive 5 through a collision hook 203, and enabling the vehicle-mounted frame-changing beam machine 1 to be in a transportation state;
step three, at a skylight point of the girder replacement operation, the locomotive 5 drives the multi-axle flat car A21 and the multi-axle flat car B22 to be transported to a bridge position to be replaced, the transition bridge 3 is turned to be in a horizontal state, two ends of the transition bridge 3 are respectively hinged with the ends of the multi-axle flat car A21 and the end of the multi-axle flat car B22 through hinged shafts, one end of the vehicle-mounted girder replacement machine 1 passes through the top surface of the transition bridge 3 and runs to the right end of the multi-axle flat car A21, and when the left end door-shaped supporting leg 103 of the vehicle-mounted girder replacement machine 1 runs to a preset position of the right end of the multi-axle flat car A21, the running is stopped and the door-shaped supporting leg 103 is fixed;
step four, removing the connection between the transition bridge 3 and the multi-axle flat car B22, turning the multi-axle flat car B22 to the top of the multi-axle flat car A21, and separating the multi-axle flat car A21 from the multi-axle flat car B22; braking the multi-axle flat car B22, driving the multi-axle flat car A21 to retreat by the locomotive 5, rolling and retreating a door-shaped supporting leg 103, positioned on the multi-axle flat car B22, of the vehicle-mounted frame-changing beam machine 1 at the top of the multi-axle flat car B22 until the vehicle-mounted frame-changing beam machine 1 is positioned at a frame-changing operation position, and stopping the locomotive 5;
step five, fixing the vehicle-mounted girder replacing machine 1 on the top of the multi-axle flat car B22 and restoring the vehicle-mounted girder replacing machine to a girder mounting state, hoisting the old girders by the two hoisting trolleys 102 to longitudinally move forwards along the walking track 1012 at the bottom of the girder body 1011, when the hoisting trolley 102 at the front moves to the end part of the main girder, the front hoisting trolley 102 falls down, dropping the front end of the old girders onto the girder-carrying trolley 4 at the front of the multi-axle flat car B22, then synchronously moving the hoisting trolley 102 at the rear and the girder-carrying trolley 4 at the front forwards, when the hoisting trolley 102 at the rear moves to the end part of the main girder, placing the old multi-axle girders onto the girder-carrying trolley 4 at the rear of the flat car B22;
sixthly, moving the two trolleys 102 backwards to the position above the multi-axle flat car A21, moving the two girder-carrying trolleys 4 on the multi-axle flat car A21 forwards, lifting the front end of a new girder by falling the front trolley 102 when the front girder-carrying trolley 4 runs to the position below the front trolley 102, synchronously moving the front trolley 102 and the girder-carrying trolley 4 positioned at the rear forwards, lifting the rear end of the new girder by falling the rear trolley 102 when the rear girder-carrying trolley 4 runs to the position below the rear trolley 102, and synchronously moving the new girder to the operation position needing girder erection by the two trolleys 102;
seventhly, the two hoisting trolleys 102 fall down synchronously, and the new beam is erected to the beam replacement operation position to complete new beam erection;
step eight, the vehicle-mounted frame-changing beam machine 1 is restored to a transportation state, the locomotive 5 is used for driving the multi-shaft flat car A21 and the multi-shaft flat car B22 to be connected in a hanging mode, the old beam and the vehicle-mounted frame-changing beam machine 1 are transported to a frame-changing station together, and therefore frame-changing operation of one-hole bridges is completed; waiting for another operation skylight point, and then carrying out next hole rack replacement operation.
The multi-axle flat car is composed of a multi-axle flat car A21, a multi-axle flat car B22 and a vehicle-mounted frame-changing beam machine 1, is driven by a locomotive 5, is convenient to control, and reduces the transportation failure rate; because the frame roof beam machine 1 is traded to the vehicular places on the multiaxis flatbed, multiaxis flatbed speed is: the heavy load is 40km/h, the light load is 60km/h, the speed of the equipment is greatly higher than that of the common engineering vehicle and engineering equipment, the transportation time is shortened, and the frame beam replacement efficiency is improved; due to the load sharing effect of the multi-axle flat car A21 and the multi-axle flat car B22, the vehicle-mounted frame-changing beam machine 1 can change beams with any span of standard span and non-standard span below a frame 32m under the condition of not changing the span; the supporting legs of the vehicle-mounted frame-changing beam machine 1 are of a straight leg type door-shaped structure, so that the height lifting and the width stretching are facilitated, the vehicle-mounted frame-changing beam machine 1 and the longitudinal movement of a new beam and an old beam on the multi-axis flat car A21 and the multi-axis flat car B22 both adopt a traction mode, 2 trolleys are arranged because the frame-changing beam machine and the new beam and the old beam do not longitudinally move simultaneously, and the 2 trolleys 102 can be installed in a standby mode at the same time, when the trolley 102 breaks down, the operation can be completed by the other 2 standby trolleys, and the reliability is greatly improved; the transition bridge is connected between the multi-axle flat car A and the multi-axle flat car B when reaching the frame changing position, so that the door-shaped supporting legs of the vehicle-mounted frame changing beam machine can conveniently span on the transition bridge.
The invention overcomes the defects of the existing frame replacing technology of the railway bridge, solves the technical problem that the frame replacing operation can not be carried out when the railway bridge crosses the river valley, has simple structure and convenient operation, can realize the long-distance transportation on a railway line, and can realize the removal of the old beam and the erection of a new beam on the railway line. The invention enables the transportation of the new beam, the removal of the old beam and the erection of the new beam to be completed by the integrated machine without any other auxiliary machines, thereby greatly improving the working efficiency.
The railway bridge transporting and frame replacing integrated machine and the construction method are not influenced by the surrounding environment of the railway bridge, can run on the existing railway line and realize bridge replacement, improve the engineering environment applicability of the railway bridge replacing equipment, and reduce the influence degree of the external environment on the construction of the replacing frame beam to the minimum.
Finally, the above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the invention, so that any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a railway bridge fortune trades a all-in-one which characterized in that: the device comprises a locomotive (5), a multi-axle flat car, a vehicle-mounted frame-changing beam machine (1), a transition bridge (3) and a beam-carrying trolley (4) for supporting a beam body to be changed;
the multi-axle flat car comprises a multi-axle flat car A (21) and a multi-axle flat car B (22) which are identical in structure, the multi-axle flat car A (21) and the multi-axle flat car B (22) are sequentially hung on the locomotive (5), and the vehicle-mounted frame-changing machine (1) is arranged at the top of the multi-axle flat car B (22) and can longitudinally run along the same;
the beam-carrying trolley (4) is arranged on the multi-axis flat car A (21) and the multi-axis flat car B (22) and can move longitudinally along the multi-axis flat car (2);
the transition bridge (3) is hinged between the multi-axis flat car A (21) and the multi-axis flat car B (22) or is arranged on the top of the multi-axis flat car A (21) or the multi-axis flat car B (22) in an overturning manner.
2. The railway bridge transporting and replacing frame all-in-one machine as claimed in claim 1, wherein: the vehicle-mounted frame replacing beam machine (1) comprises a main beam (101), a crane trolley (102) capable of running along the main beam (101), door-shaped supporting legs (103) which are arranged at the front part and the rear part of the main beam (101) and can be reduced in height and width, and running wheels (104) arranged at the bottoms of the door-shaped supporting legs (103);
the main beam (101) comprises a beam body (1011), a walking track (1012) arranged at the bottom of the beam body (1011), mounting holes (1013) arranged at two ends of the beam body (1011) and a transverse moving track (1014) arranged in the mounting holes (1013); the trolley (102) is supported on the walking track (1012);
the door-shaped support leg (103) comprises a telescopic cross beam (1031), telescopic support legs (1034) fixedly arranged at two ends of the telescopic cross beam (1031) and brackets (1036) fixedly arranged at the bottoms of the telescopic support legs (1034), and the brackets (1036) can be fixed on the multi-axis flat car roof;
the telescopic cross beam (1031) respectively passes through the mounting holes (1013) at the two ends of the beam body (1011), a transverse oil cylinder (1032) is mounted between the beam body (1011) and the outer sleeve end part of the telescopic cross beam (1031),
the transverse movement of the gate-shaped supporting legs (103) and the main beam (101) can be realized under the action of the transverse moving oil cylinder (1032);
the vehicle-mounted frame beam replacing machine (1) has 2 operation states: the vehicle-mounted frame-changing machine comprises a transportation state and a frame-erecting state, wherein when the telescopic cross beam (1031) and the telescopic supporting legs (1034) are in a retracted state and a raised state respectively, the transportation state of the vehicle-mounted frame-changing machine (1) is adopted, and when the telescopic cross beam (1031) and the telescopic supporting legs (1034) are extended to a normal state respectively, the frame-erecting state is adopted.
3. The railway bridge transporting and replacing frame all-in-one machine as claimed in claim 1, wherein: the multi-axle flat car (2) comprises a balance car frame (201), a bogie (202) arranged at the bottom of the balance car frame (201), a collision hook (203) arranged at one end of the balance car frame (201) and a hinge shaft (204) arranged at the other end of the balance car frame (201);
the bogie (202) is a three-axis, four-axis or five-axis bogie;
the load on the upper part of the balance frame (201) can be uniformly distributed to each bogie (202).
4. The railway bridge transporting and replacing frame all-in-one machine as claimed in claim 2, wherein: the running wheels (104) are arranged at the bottom of the bracket (1036);
the number of the hoisting trolleys (102) is 2-4.
5. The railway bridge transporting and replacing frame all-in-one machine as claimed in claim 2, wherein: the telescopic cross beam (1031) and the telescopic supporting legs (1034) are sleeve structures sleeved by a plurality of sections, a telescopic oil cylinder (1033) is arranged in the telescopic cross beam (1031), and a jacking oil cylinder (1035) is arranged in the telescopic supporting legs (1034).
6. The railway bridge transporting and replacing frame all-in-one machine as claimed in claim 2, wherein: each multi-axis flat car A (21) and each multi-axis flat car B (22) are respectively provided with 2 beam carrying trolleys (4) which are positioned at two ends of the bottom of the old beam to be replaced or disassembled.
7. The railway bridge transporting and replacing frame all-in-one machine as claimed in claim 2, wherein: the beam-carrying trolley (4) comprises a flat-plate trolley body (41), wheels (42) arranged at the bottom of the flat-plate trolley body (41) and a baffle (43) arranged on the outer side of the flat-plate trolley body (41).
8. A construction method for transporting and replacing a frame all-in-one machine by utilizing a railway bridge is characterized by comprising the following steps of: the method comprises the following steps:
step one, setting an operation station near a bridge position to be replaced, prefabricating a new beam and reserving a field for storing an old beam;
step two, mounting the new beam to be erected on a beam carrying trolley (4) of a multi-axle flat car A (21), mounting a vehicle-mounted frame replacing beam machine (1) on a multi-axle flat car B (22), and hanging the multi-axle flat car A (21), the multi-axle flat car B (22) and a locomotive (5) in sequence through a collision hook (203), wherein the vehicle-mounted frame replacing beam machine (1) is in a transportation state;
step three, at a skylight point of the girder replacement operation, a locomotive (5) drives a multi-axle flat car A (21) and a multi-axle flat car B (22) to be replaced to a bridge position to be replaced, a transition bridge (3) is turned to be in a horizontal state, two ends of the transition bridge (3) are respectively hinged with the corresponding ends of the multi-axle flat car A (21) and the multi-axle flat car B (22) through hinged shafts, one end of a vehicle-mounted girder replacement machine (1) is arranged at the right end of the multi-axle flat car A (21) through the top surface of the transition bridge (3), and when door-shaped supporting legs (103) at the left end of the girder replacement machine (1) are arranged at the preset position of the right end of the multi-axle flat car A (21), the running is stopped and the door-shaped supporting legs (103) are fixed at the right end of the multi-;
step four, removing the connection between the transition bridge (3) and the multi-axle flat car B (22), turning the multi-axle flat car B to the top of the multi-axle flat car A (21), and separating the multi-axle flat car A (21) from the multi-axle flat car B (22); braking a multi-axle flat car B (22), driving the multi-axle flat car A (21) to retreat by the locomotive (5), rolling and moving back a door-shaped supporting leg (103) of the vehicle-mounted frame-changing beam machine (1) on the multi-axle flat car B (22) at the top of the multi-axle flat car B (22) in the retreating process until the vehicle-mounted frame-changing beam machine (1) is located at a frame-changing operation position, and stopping the locomotive (5);
fixing the vehicle-mounted frame-changing machine (1) on the top of the multi-axle flat car B (22) and restoring the multi-axle flat car B to a frame beam state, enabling two crane trolleys (102) to hoist an old beam to longitudinally move forwards along a walking track (1012) at the bottom of a beam body (1011), enabling the front crane trolley (102) to fall down when the crane trolley (102) positioned at the front moves to the end part of a main beam, enabling the front end of the old beam to fall on the girder-carrying trolley (4) positioned at the front of the multi-axle flat car B (22), enabling the crane trolley (102) positioned at the rear and the girder-carrying trolley (4) positioned at the front to synchronously move forwards, enabling the crane trolley (102) to move to the end part of the main beam after the crane trolley (102) moves to the end part of the main beam, and placing the old beam on the girder-carrying trolley (4;
sixthly, moving the two lifting trolleys (102) backwards to the position above the multi-axle flat car A (21), enabling the two beam carrying trolleys (4) on the multi-axle flat car A (21) to run forwards, enabling the front beam carrying trolley (4) to fall to lift the front end of a new beam when the front beam carrying trolley (4) runs to the position below the front beam carrying trolley (102), enabling the front beam carrying trolley (102) and the rear beam carrying trolley (4) to synchronously move forwards, enabling the rear beam carrying trolley (102) to fall to lift the rear end of the new beam when the rear beam carrying trolley (4) runs to the position below the rear beam carrying trolley (102), and enabling the two beam carrying trolleys (102) to synchronously move the new beam longitudinally to an operation position where a beam needs to be erected;
seventhly, the two hoisting trolleys (102) fall down synchronously, and the new beam is erected to the beam replacement operation position to complete new beam erection;
step eight, the vehicle-mounted frame-changing beam machine (1) is restored to a transportation state, the locomotive (5) is used for driving the multi-axle flat car A (21) and the multi-axle flat car B (22) to be hung, the old beam and the vehicle-mounted frame-changing beam machine (1) are transported to a frame-changing station together, and therefore the frame-changing operation of the one-hole bridge is completed; waiting for another operation skylight point, and then carrying out next hole rack replacement operation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911409100.9A CN111074791B (en) | 2019-12-31 | 2019-12-31 | Railway bridge transporting and frame replacing integrated machine and construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911409100.9A CN111074791B (en) | 2019-12-31 | 2019-12-31 | Railway bridge transporting and frame replacing integrated machine and construction method |
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| CN111074791A true CN111074791A (en) | 2020-04-28 |
| CN111074791B CN111074791B (en) | 2024-06-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021254236A1 (en) * | 2020-06-16 | 2021-12-23 | 中铁工程设计咨询集团有限公司 | Construction method for replacement of girder structure of bridge |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29706361U1 (en) * | 1997-04-10 | 1997-06-19 | EWK Eisenwerke Kaiserslautern GmbH, 67655 Kaiserslautern | Device for laying a bridge |
| JP2010053557A (en) * | 2008-08-27 | 2010-03-11 | Kajima Corp | Railroad beam movement and installation device, railroad beam movement and installation method, and railroad beam removal method |
| CN106436586A (en) * | 2015-08-10 | 2017-02-22 | 北京万桥兴业机械有限公司 | Single-line or double-line railway bridge dismantling and replacing machine |
| CN109083019A (en) * | 2018-09-17 | 2018-12-25 | 安徽德马泰格起重机械有限公司 | A kind of lower guide fixed-point sling erecting bridge machine |
| CN211848998U (en) * | 2019-12-31 | 2020-11-03 | 石家庄铁道大学 | Railway bridge transporting and replacing integrated machine |
-
2019
- 2019-12-31 CN CN201911409100.9A patent/CN111074791B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29706361U1 (en) * | 1997-04-10 | 1997-06-19 | EWK Eisenwerke Kaiserslautern GmbH, 67655 Kaiserslautern | Device for laying a bridge |
| JP2010053557A (en) * | 2008-08-27 | 2010-03-11 | Kajima Corp | Railroad beam movement and installation device, railroad beam movement and installation method, and railroad beam removal method |
| CN106436586A (en) * | 2015-08-10 | 2017-02-22 | 北京万桥兴业机械有限公司 | Single-line or double-line railway bridge dismantling and replacing machine |
| CN109083019A (en) * | 2018-09-17 | 2018-12-25 | 安徽德马泰格起重机械有限公司 | A kind of lower guide fixed-point sling erecting bridge machine |
| CN211848998U (en) * | 2019-12-31 | 2020-11-03 | 石家庄铁道大学 | Railway bridge transporting and replacing integrated machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021254236A1 (en) * | 2020-06-16 | 2021-12-23 | 中铁工程设计咨询集团有限公司 | Construction method for replacement of girder structure of bridge |
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| CN111074791B (en) | 2024-06-14 |
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