A bridge erecting machine transverse lifting walking track device

Abstract

The present invention discloses a transverse lifting walking track device for a bridge erecting machine, comprising a connecting beam and a lifting arm coaxially connected to the connecting beam, an electric walking hoist is provided on the lower side of the lifting arm, the connecting beam is connected to the bridge erecting machine through a mounting device, the mounting device comprises a guide rail, a first connector and a second connector, the second connector clamps the connecting beam, the guide rail is fixed to the lower side of the connecting beam, the first connector and the second connector are rotatably connected to achieve angle adjustment of the bridge erecting machine, and the second connector slides along the guide rail to achieve span adjustment of the bridge erecting machine. The above-mentioned transverse lifting walking track device for a bridge erecting machine can speed up the working efficiency of the transverse lifting of the front leg walking track beam by the bridge erecting machine, so as to realize an automated and timely solution to the overall transverse lifting problem of the walking track of a wide skew bridge.

Description

Technical Field

[0001] The invention relates to the technical field of prefabricated component installation of a bridge engineering bridge erecting machine, and in particular to a transverse lifting travel track device for a bridge erecting machine. Background Art

[0002] In the process of erecting prestressed prefabricated components (box beams, T beams, U-beams, etc.) using bridge erectors on bridges, elevated rails, and highways, it is troublesome and time-consuming to use traditional construction methods to achieve the overall lateral movement of the walking rail beam of the front leg. Especially for wide or wide oblique bridges across rivers and hills, external hoisting machinery is required to assist in the bridge, or the cantilever beam is fixed on the bridge erector, and then the walking rail beam of the front leg is hoisted in sections by a chain hoist, and then connected into a whole (when the rail beam is too long, it is seriously disturbed and cannot be hoisted as a whole).

[0003] First, when the front leg track beam is moved horizontally, the rear of the bridge erector needs to be counterweighted (the counterweight is generally a prefabricated component), and the middle leg touches the ground to support the front end so that the front leg is separated from the track beam in a cantilevered lever state. At this time, the bridge erector is in the most unfavorable overturning state for passing through the hole, which poses a greater safety risk. Secondly, before the external lifting machinery goes up to the bridge for auxiliary lifting, it is necessary to deal with the embedded steel bars on the top surface of the prefabricated components and the transverse connection of the temporary reinforcement prefabricated parts, which not only increases the extra workload, but also the vibration during the operation has a certain impact on the stability of the newly erected box beam and the installation accuracy of the support or temporary support. When the track beam is long as a whole, it is more dangerous to lift it with two machines. It is time-consuming and uneconomical to lift the track beam in sections by multiple horizontal movements. It is time-consuming and laborious to fix the cantilever beam on the bridge erector and then use the chain hoist to lift the walking track beam in sections, which is slow and seriously drags down the speed of bridge erection. The long time for the front leg of the bridge erector to be separated from the track beam increases the risk of overturning. The need for multiple people to cooperate increases the construction risk of operators working at high altitude and high temperature.

[0004] Therefore, how to provide a bridge-building machine transverse lifting walking track device that can speed up the work efficiency of the bridge-building machine's transverse lifting of the front support leg walking track beam, realize automation and timeliness, and solve the overall transverse lifting of the walking track of a wide-width skew bridge is a technical problem that technical personnel in this field urgently need to solve. Summary of the invention

[0005] The purpose of the present invention is to provide a bridge erection machine transverse lifting walking track device, which can speed up the work efficiency of the bridge erection machine for transverse lifting of the front support leg walking track beam, so as to realize the automatic and timely solution to the overall transverse lifting problem of the wide-width skew bridge walking track.

[0006] To achieve the above-mentioned purpose, the present invention provides a transverse lifting travel track device for a bridge-building machine, comprising a connecting beam and a lifting arm coaxially connected to the connecting beam, an electric walking hoist is provided on the lower side of the lifting arm, the connecting beam is connected to the bridge-building machine through an installation device, the installation device comprises a guide rail, a first connector and a second connector, the first connector fixes the bridge-building machine, the second connector clamps the connecting beam, the guide rail is fixed to the lower side of the connecting beam, the first connector is rotatably connected to the second connector to achieve angle adjustment of the bridge-building machine, and the second connector slides along the guide rail to achieve span adjustment of the bridge-building machine.

[0007] Preferably, the number of the hoisting arms and the electric traveling hoists are both two, the two hoisting arms are respectively located at the two ends of the connecting beam, and the two electric traveling hoists are respectively arranged at the lower sides of the two hoisting arms.

[0008] Preferably, a steel wire rope for hoisting the track beam is provided on the lower side of the electric traveling hoist.

[0009] Preferably, a chain hoist is provided on one side of the steel wire rope.

[0010] Preferably, a video device is provided on the lower side of the outer end of the hanging arm.

[0011] Preferably, there are two video devices, and the two video devices are respectively arranged on the lower sides of the outer ends of the two hanging arms.

[0012] Preferably, the lower sides of both ends of the hoisting arm are provided with limiting devices for limiting the electric traveling hoist to move only along the hoisting arm.

[0013] Preferably, the bridge erecting machine is fixedly connected to the first connecting body by bolts.

[0014] Preferably, there are multiple bridge-building machines, and the number of the installation devices is the same as the number of the bridge-building machines. The multiple bridge-building machines are respectively and sequentially arranged on the lower side of the connecting beam through the multiple installation devices.

[0015] Preferably, the number of the bridge-building machines is two, the number of the installation devices is two, and the two bridge-building machines are symmetrically arranged on the lower side of the connecting beam through the two installation devices respectively.

[0016] Compared with the above background technology, the transverse lifting walking track device of the bridge erection machine provided by the present invention comprises a connecting beam and a lifting arm coaxially connected to the connecting beam, an electric walking hoist is arranged on the lower side of the lifting arm, and a bridge erection machine connected to the connecting beam through an installation device is arranged on the lower side of the connecting beam, the installation device comprises a guide rail, a first connector and a second connector, the second connector clamps the connecting beam, the guide rail is fixed on the lower side of the connecting beam, the first connector is rotatably connected to the second connector, and the second connector slides along the guide rail. The transverse lifting walking track device of the bridge erection machine is particularly suitable for the erection of wide or wide oblique bridges across rivers and hills, and can speed up the work efficiency of the bridge erection machine for transverse lifting of the front support leg walking track beam, and realizes an automated and timely solution to the safety construction problem of the overall transverse lifting of the walking track of a wide oblique bridge. In the specific construction process, the electric walking hoist When installing the track beam, lift the track beam as a whole and detach it from the steel pier or sleeper, then move it horizontally for a walking section, stop moving horizontally at an appropriate position, and after the track beam is stable, lower the track beam to the steel pier or sleeper, repeat the steps of lifting and moving horizontally, adjust the track beam to an appropriate position, and then temporarily reinforce it. When the bridge-building machine is lowered, the front legs are stressed; the bridge-building machine and the connecting beam are connected by a fixed connection between the first connector and the bridge-building machine and a clamping installation between the second connector and the connecting beam, the span of the bridge-building machine is adjusted by sliding the second connector along the guide rail, and the angle of the bridge-building machine is adjusted by rotating the first connector relative to the second connector. When the connecting beam is adjustable to enable the bridge-building machine to pass through a hole, the track beam is lifted as a whole and passes through the hole together with the bridge-building machine (the track beam presses against the walking track wheel of the bridge-building machine), ensuring that the installation is in place at one time, which greatly speeds up the working efficiency of the bridge-building machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0018] Figure 1 A schematic diagram of the structure of a transverse lifting travel track device for a bridge erecting machine provided in an embodiment of the present invention;

[0019] Figure 2 for Figure 1 A partial enlarged schematic diagram of the middle connecting beam;

[0020] Figure 3 for Figure 1 A partial enlarged schematic diagram of the installation device;

[0021] Figure 4 for Figure 3Schematic diagram of the connection relationship between the first connector and the second connector.

[0022] in:

[0023] 1-connecting beam, 2-hoisting arm, 3-limiting device, 4-video device, 5-bridge erecting machine, 6-wire rope, 7-chain hoist, 8-front support leg of bridge erecting machine, 9-track beam, 10-first connector, 11-second connector, 12-guide rail. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] In order to enable those skilled in the art to better understand the scheme of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0026] Please refer to Figures 1 to 4 ,in, Figure 1 A schematic diagram of the structure of a transverse lifting travel track device for a bridge erecting machine provided in an embodiment of the present invention, Figure 2 for Figure 1 A partial enlarged schematic diagram of the middle connecting beam. Figure 3 for Figure 1 A partial enlarged schematic diagram of the installation device in the middle, Figure 4 for Figure 3 Schematic diagram of the connection relationship between the first connector and the second connector.

[0027] In a first specific embodiment, the transverse lifting travel track device of the bridge erecting machine provided by the present invention comprises a connecting beam 1 and a lifting arm 2 coaxially connected to the connecting beam 1, an electric travel hoist is provided on the lower side of the lifting arm 2, a bridge erecting machine 5 is provided on the lower side of the connecting beam 1, and the bridge erecting machine 5 is connected to the connecting beam 1 through an installation device. The installation device comprises a first connector 10, a second connector 11 and a guide rail 12, the first connector 10 fixes the bridge erecting machine 5, the second connector 11 clamps the connecting beam 1, the guide rail 12 is fixed to the lower side of the connecting beam 1, the first connector 10 is rotatably connected to the second connector 11, and the second connector 11 slides along the guide rail 12.

[0028] During the specific construction process, the track beam 9 is located at the lower side of the connecting beam 1, and the electric walking hoist lifts the track beam 9. After the track beam 9 is lifted as a whole and separated from the steel pier or sleeper, it moves horizontally for a walking section, stops moving horizontally at an appropriate position, and after the track beam 9 is stable, the track beam 9 is lowered to the steel pier or sleeper, and the lifting and moving steps are repeated. After the track beam 9 is adjusted to the appropriate position, temporary reinforcement is performed; the lower side of the bridge erection machine 5 is provided with a front support leg 8 of the bridge erection machine, and the front support leg 8 of the bridge erection machine is subjected to force when the bridge erection machine 5 is lowered. For bridges with particularly wide banners, the bridge erection machine 5 can walk horizontally, and the bridge erection machine 5 lifts and moves the track beam 9 as a whole.

[0029] In addition, the connection between the bridge erecting machine 5 and the connecting beam 1 is achieved through the fixed connection between the first connector 10 and the bridge erecting machine 5 and the clamping installation of the second connector 11 and the connecting beam 1, that is, the installation and fixation of the adjustable span and angle of the bridge erecting machine 5 on the lower side of the connecting beam 1.

[0030] Specifically, the span adjustment of the bridge-building machine 5 is achieved by sliding the second connector 11 along the guide rail 12, and the angle adjustment of the bridge-building machine 5 is achieved by rotating the first connector 10 relative to the second connector 11. Both the span and the angle of the bridge-building machine 5 can be adjusted to achieve the overall lifting of the track beam 9 when the bridge-building machine 5 passes through the hole and pass through the hole together with the bridge-building machine 5 (the track beam 9 presses against the walking track wheels of the bridge-building machine 5), ensuring that the installation is in place at one time, which greatly speeds up the working efficiency of the bridge-building machine 5.

[0031] In this embodiment, the guide rail 12 is a travel screw rod, and the travel screw rod is used for limit adjustment. In order to adapt to bridge erection machines 5 of different models and widths, the bridge erection machine 5 is fixedly connected to the first connector 10 by bolts, the angle adjustment is achieved by rotating the first connector 10 relative to the second connector 11, and the span adjustment is achieved by limit adjustment by the travel screw rod. The bridge erection machine transverse lifting walking track device is generally applicable to bridge erection machines 5 of various models.

[0032] It should be noted that the transverse lifting walking track device of the bridge erection machine is particularly suitable for the erection of wide or wide oblique bridges across rivers and hills, which speeds up the working efficiency of the transverse lifting of the track beam 9 on the front legs 8 of the bridge erection machine 5, and realizes automation, and automatically and timely solves the safety construction problem of the overall transverse lifting of the walking track of wide oblique bridges.

[0033] In addition, there are two hoisting arms 2 and two electric travel hoists, the two hoisting arms 2 are respectively located at the two ends of the connecting beam 1, and the two electric travel hoists are respectively arranged at the lower sides of the two hoisting arms 2. The track beam 9 is hoisted by the electric travel hoist. Specifically, a steel wire rope 6 for hoisting the track beam 9 is arranged at the lower side of the electric travel hoist, and a fall chain hoist 7 is arranged on one side of the steel wire rope 6.

[0034] In this embodiment, in order to increase the requirements of stability, synchronization and adaptability of the overall lifting and lateral movement of the track beam 9, an electric travel hoist is respectively arranged on both sides of the lifting arm 2 cantilevered from the bridge erection machine 5. The electric travel hoist can be operated individually or synchronously. The electric travel hoist can be operated individually to reach the specified lifting position, and the synchronous operation can ensure the stable synchronization of the lifting and lateral movement. The electric travel hoist can also assist in the lifting of large supports and some construction materials (such as steel piers, sleepers, sand barrels, etc.), so as to further accelerate the construction efficiency.

[0035] For better technical effects, a video device 4 is provided on the lower side of the outer end of the lifting arm 2. Exemplarily, there are two video devices 4, which are respectively provided on the lower side of the outer ends of the two lifting arms 2. In order to speed up work efficiency, the transverse lifting walking track device of the bridge-building machine adopts a modular design scheme to achieve a detachable design. It can be installed in advance when in use and can be removed after use. It is driven by electric automation equipment and shares the power source with the bridge-building machine 5. Among them, the video device 4 is a video monitoring system with a camera. The camera is set toward the track beam 9 and shoots the working condition picture in real time. The video monitoring system is incorporated into the original monitoring system of the bridge-building machine 5, which can realize front-end command and back-end operation, which is consistent with the command steps of the erection process, and no additional personnel are required. It realizes the automatic, automated, visualized and timely solution to the problem of transverse lifting.

[0036] In this embodiment, a limiting device 3 is provided on the lower side of both ends of the lifting arm 2 to limit the electric traveling hoist to move only along the lifting arm 2. Specifically, the limiting device 3 is located at the lower side of the outer end of the lifting arm 2 and the lower side of the end connected with the connecting beam 1. The limiting device 3 can adopt a limiting block, a limiting plate and other structures, which are not limited here.

[0037] In addition, there are multiple bridge erecting machines 5, the number of installation devices is the same as the number of bridge erecting machines 5, the bridge erecting machines 5 and the installation devices are matched one by one, and the multiple bridge erecting machines 5 are sequentially arranged on the lower side of the connecting beam 1 through multiple installation devices. Exemplarily, there are two bridge erecting machines 5, the number of installation devices is two, and the two bridge erecting machines 5 are symmetrically arranged on the lower side of the connecting beam 1 through two installation devices.

[0038] In summary, the bridge-building machine's transverse lifting walking track device has beneficial progress in modularization and automation, which speeds up the work efficiency of the bridge-building machine 5 in transverse lifting of the track beam 9 on which the bridge-building machine's front legs 8 are moving, and realizes automation, automaticity and timely solution to the safe construction problem of the overall transverse lifting of the walking track of a wide-width oblique bridge.

[0039] In order to more clearly explain the bridge-building machine's transverse lifting and traveling track device, a specific implementation process is now given. In order, the bridge-building machine 5 is assembled, the bridge-building machine 5 is fixedly installed on the lower side of the connecting beam 1, the span and angle of the bridge-building machine 5 are adjusted by the installation device, the power line is connected and the visual video signal of the video device 4 is connected, the device is debugged and qualified, the bridge-building machine 5 is overall accepted, the bridge-building machine 5 is ready for work, the prefabricated components are hoisted, the rear counterweight of the bridge-building machine 5 and the front cantilever are in place, the track beam 9 is hoisted and moved into place by the electric walking hoist, the front leg 8 of the bridge-building machine 5 is touched to the ground and the preparation work is in place, the prefabricated components are hoisted, the rear counterweight of the bridge-building machine 5 hoists the track beam 9 through a hole as a whole, the track beam 9 is hoisted and moved into place, the front leg 8 of the bridge-building machine 5 is touched to the ground and the preparation work is in place, the prefabricated components are hoisted, and the bridge-building machine 5 completes the construction through the cycle operation.

[0040] It should be noted that, in this specification, relational terms such as first and second are merely used to distinguish one entity from other entities, but do not necessarily require or imply any actual relationship or order between these entities.

[0041] The above is a detailed introduction to the transverse lifting walking track device for the bridge erecting machine provided by the present invention. Specific examples are used in this article to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only used to help understand the method of the present invention and its core idea. It should be pointed out that for ordinary technicians in this technical field, without departing from the principles of the present invention, several improvements and modifications can be made to the present invention, and these improvements and modifications also fall within the scope of protection of the claims of the present invention.

Claims

1. A bridge erection machine transverse lifting travel track device, characterized in that: It comprises a connecting beam (1) and a hoisting arm (2) coaxially connected to the connecting beam (1), an electric walking hoist is arranged on the lower side of the hoisting arm (2), the connecting beam (1) is connected to a bridge erecting machine (5) through a mounting device, the mounting device comprises a guide rail (12), a first connector (10) and a second connector (11), the first connector (10) fixes the bridge erecting machine (5), the second connector (11) clamps the connecting beam (1), the guide rail (12) is fixed to the lower side of the connecting beam (1), the first connector (10) and the second connector (11) are rotatably connected to realize angle adjustment of the bridge erecting machine (5), and the second connector (11) slides along the guide rail (12) to realize span adjustment of the bridge erecting machine (5); The number of the hoisting arms (2) and the number of the electric traveling hoists are both two, the two hoisting arms (2) are respectively located at the two ends of the connecting beam (1), and the two electric traveling hoists are respectively arranged at the lower sides of the two hoisting arms (2); A steel wire rope (6) for hoisting a track beam (9) is provided at the lower side of the electric travel hoist; A chain hoist (7) is provided on one side of the steel wire rope (6); Limiting devices (3) are provided on the lower sides of both ends of the hoisting arm (2) for limiting the electric traveling hoist to move only along the hoisting arm (2).

2. The bridge erection machine transverse lifting travel track device according to claim 1 is characterized in that: A video device (4) is provided on the lower side of the outer end of the hanging arm (2).

3. The bridge erection machine transverse lifting travel track device according to claim 2 is characterized in that: The number of the video devices (4) is two, and the two video devices (4) are respectively arranged on the lower sides of the outer ends of the two hanging arms (2).

4. The bridge erection machine transverse lifting travel track device according to claim 1, characterized in that: The bridge erecting machine (5) is fixedly connected to the first connecting body (10) via bolts.

5. The bridge erection machine transverse lifting travel track device according to any one of claims 1 to 4, characterized in that: The number of the bridge-building machines (5) is multiple, the number of the installation devices is the same as the number of the bridge-building machines (5), and the multiple bridge-building machines (5) are respectively and sequentially arranged on the lower side of the connecting beam (1) through the multiple installation devices.

6. The bridge erection machine transverse lifting travel track device according to claim 5, characterized in that: The number of the bridge erecting machines (5) is two, the number of the installation devices is two, and the two bridge erecting machines (5) are symmetrically arranged on the lower side of the connecting beam (1) through the two installation devices.

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