Multifunctional erection system for fabricated highway steel bridge

Abstract

The invention provides an assembly type road steel bridge multifunctional erecting system which comprises a chassis truck, a vehicle refitting system, a lorry-mounted crane, a self-walking crawler crane, an erecting platform and auxiliary equipment. The vehicle refitting system is fixed to a frame of the chassis truck, and the lorry-mounted crane is fixed to the upper portion of the front portion of the vehicle refitting system; the self-walking crawler crane is used for erecting a platform, and auxiliary equipment is placed in a container; the lorry-mounted crane is a mature lorry-mounted crane selected in the market; the self-walking crawler crane is a mature self-walking crawler crane selected in the market; the erecting platform is an erecting platform with the adjustable width and comprises a left support, a middle support, a transition support and a right support which are in pin joint through bolts, and the erecting platform is in a folded state in the transportation state and is unfolded in the bridging state. The lorry-mounted crane and the self-walking crawler crane work cooperatively, multi-station bridging is achieved, and the working efficiency is improved; the erecting platform adapts to erecting and bridge pushing operation of different bridge types by replacing different combined modules.

Description

Technical Field

[0001] The invention belongs to the technical field of erection of assembled highway steel bridges, and in particular relates to a multifunctional erection system of assembled highway steel bridges. Background Art

[0002] The applicant's prior patent "A vehicle for erecting an assembled highway steel bridge and a method for erecting a bridge" (CN109295857A) discloses a vehicle for erecting an assembled highway steel bridge. The vehicle is equipped with a truck-mounted crane and an erection platform, which can meet the needs of steel bridge erection operations. However, there is only one lifting point for the truck-mounted crane for lifting operations, resulting in low operating efficiency. At the same time, the erection platform is not described in detail.

[0003] Another prior patent of the applicant, "A Foldable Prefabricated Highway Steel Bridge Erection Platform" (CN105755966A), discloses a prefabricated highway steel bridge erection platform, the width of which is not adjustable. The platform can only meet the erection of single-lane or double-lane bridge types of 321 and ZB200 prefabricated highway steel bridges, and cannot simultaneously take into account the single / double-lane erection functions of both bridge types. Summary of the invention

[0004] In view of the problems existing in the prior art, the present application proposes a multifunctional erection system for assembled highway steel bridges, including a chassis vehicle, a vehicle modification system, a truck-mounted crane, a self-propelled crawler crane, an erection platform, and auxiliary equipment.

[0005] The vehicle modification system is fixed on the frame of the chassis vehicle, the truck crane is fixed on the front upper part of the vehicle modification system, and the self-propelled crawler crane, the erection platform, and the auxiliary equipment are placed in the cargo box;

[0006] The truck-mounted crane is a mature truck-mounted crane selected from the market;

[0007] The self-propelled crawler crane is a mature self-propelled crawler crane selected in the market;

[0008] The erection platform is a width-adjustable erection platform, comprising a left bracket, a middle bracket, a transition bracket and a right bracket. The various parts are connected by bolts and are in a folded state in the transportation state and unfolded when bridging.

[0009] Furthermore, the left bracket and the right bracket are symmetrical parts, and the transition bracket includes two forms.

[0010] Furthermore, two outrigger oil cylinders are respectively provided on the left bracket and the right bracket for setting up and leveling the platform.

[0011] Furthermore, two sets of rocks are respectively arranged on the left bracket and the right bracket for placing and supporting the steel bridge.

[0012] Furthermore, two winches are respectively arranged on the left bracket and the right bracket for pushing the bridge during bridge erection.

[0013] Furthermore, the auxiliary equipment includes a bridging tool.

[0014] Furthermore, the vehicle modification system includes a cargo box.

[0015] The multifunctional erection system for assembled highway steel bridges provided by the present invention has the following beneficial effects compared with the prior art:

[0016] The present invention solves the problem of erecting and withdrawing single / double-lane bridge types of 321, ZB200 and CB200 assembled highway steel bridges; the system is equipped with a truck-mounted crane and a self-propelled crawler crane at the same time, and the truck-mounted crane and the self-propelled crawler crane work together to realize multi-station bridge erection and improve work efficiency; the erection platform changes its width by replacing different combination modules to adapt to the erection and pushing operations of different bridge types, and has various functions. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the composition of a multifunctional erection system for an assembled highway steel bridge of the present invention (main viewing angle);

[0018] Figure 2 This is a schematic diagram of the composition of a multifunctional erection system for an assembled highway steel bridge of the present invention (looking from above);

[0019] Figure 3 Schematic diagram of the transport state of the erection platform of the present invention (main viewing angle);

[0020] Figure 4 Schematic diagram of the transport state of the erection platform of the present invention (top view);

[0021] Figure 5 It is a schematic diagram of the unfolded state of the erection platform when erecting a 321 type or ZB200 type single-lane steel bridge according to the present invention (main viewing angle);

[0022] Figure 6 It is a schematic diagram of the unfolded state of the erection platform when erecting a 321 type or ZB200 type single-lane steel bridge according to the present invention (from a top view);

[0023] Figure 7 It is a schematic diagram of the unfolded state of the erection platform when erecting a CB200 type single-lane steel bridge according to the present invention (main viewing angle);

[0024] Figure 8 It is a schematic diagram of the unfolded state of the erection platform when erecting a CB200 type single-lane steel bridge according to the present invention (top view);

[0025] Fig. 9It is a schematic diagram of the unfolded state of the erection platform when erecting a double-lane steel bridge according to the present invention (main viewing angle);

[0026] Fig.10 It is a schematic diagram of the unfolded state of the erection platform when erecting a double-lane steel bridge according to the present invention (from a top view);

[0027] Fig.11 It is a schematic diagram of the layout of the steel bridge erected according to the present invention.

[0028] Serial numbers and names of the attached drawings: 1. Chassis vehicle, 2. Vehicle modification system (including cargo box), 3. Truck-mounted crane, 4. Self-propelled crawler crane, 5. Erection platform, 5.1. Left bracket, 5.2. Middle bracket, 5.3. Right bracket, 5.4. First transition bracket, 5.5. Second transition bracket, 5.6. Outrigger cylinder, 5.7. Rock, 5.8. Winch. DETAILED DESCRIPTION

[0029] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is further described below in conjunction with the accompanying drawings and specific implementation methods.

[0030] Combination Figure 1-Figure 11 The multifunctional erection system of assembled highway steel bridge proposed in this application comprises a chassis vehicle 1, a vehicle modification system (including a cargo box) 2, a truck-mounted crane 3, a self-propelled crawler crane 4, an erection platform 5, auxiliary equipment 6 and the like, wherein the auxiliary equipment comprises a bridge erection tool

[0031] The vehicle modification system (including the cargo box) 2 is fixed on the frame of the chassis vehicle 1, the truck crane 3 is fixed on the front upper part of the vehicle modification system (including the cargo box) 2, and the self-propelled crawler crane 4, the erection platform 5, and the auxiliary equipment 6 are placed in the cargo box; the truck crane 3 is a mature truck crane selected by the market. The self-propelled crawler crane 4 is a mature self-propelled crawler crane selected by the market.

[0032] The erection platform 5 is a width-adjustable erection platform, comprising a left bracket 5.1, a middle bracket 5.2, transition brackets 5.4, 5.5 and a right bracket 5.3. The various parts are connected by bolts and are folded in the transport state and unfolded when bridging.

[0033] The left bracket 5.1 and the right bracket 5.2 are symmetrical parts, and the transition brackets 5.4 and 5.5 include two types.

[0034] Two outrigger oil cylinders 5.6 are respectively arranged on the left support 5.1 and the right support 5.2 for setting up the platform and leveling it.

[0035] Rockers 5.7 are respectively arranged on the left support 5.1 and the right support 5.2 for placing and supporting the steel bridge.

[0036] Two winches 5.8 are respectively arranged on the left bracket 5.1 and the right bracket 5.2 for pushing the bridge when erecting the bridge.

[0037] The present invention solves the problem of erecting and withdrawing single / double lane bridge types of 321, ZB200 and CB200 assembled highway steel bridges;

[0038] The system is equipped with a truck-mounted crane and a self-propelled crawler crane. The truck-mounted crane and the self-propelled crawler crane work together to achieve multi-station bridge erection and improve work efficiency.

[0039] The width of the erection platform can be changed by replacing different combination modules to adapt to the erection and pushing operations of different bridge types, and it has diverse functions.

[0040] In summary, the above are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereto. All equivalent changes and modifications made according to the patent scope of the present invention and the contents of the specification are within the scope covered by the patent of the present invention.

Claims

1. A multifunctional erection system for assembled highway steel bridges, characterized in that: Including chassis, vehicle modification system, truck crane, self-propelled crawler crane, erection platform, auxiliary equipment, The vehicle modification system is fixed on the frame of the chassis vehicle, the truck crane is fixed on the front upper part of the vehicle modification system, and the self-propelled crawler crane, the erection platform, and the auxiliary equipment are placed in the cargo box; The truck-mounted crane is a mature truck-mounted crane selected from the market; The self-propelled crawler crane is a mature self-propelled crawler crane selected in the market; The erection platform is a width-adjustable erection platform, comprising a left bracket, a middle bracket, a transition bracket and a right bracket. The various parts are connected by bolts and are in a folded state in the transportation state and unfolded when bridging.

2. The system according to claim 1, characterized in that: The left bracket and the right bracket are symmetrical parts, and the transition bracket includes two forms.

3. The system according to claim 1, characterized in that: Two outrigger oil cylinders are respectively arranged on the left bracket and the right bracket for setting up and leveling the platform.

4. The system according to claim 1, characterized in that: Two sets of rocks are respectively arranged on the left bracket and the right bracket for placing and supporting the steel bridge.

5. The system according to claim 1, characterized in that: Two winches are respectively arranged on the left bracket and the right bracket for pushing the bridge when erecting the bridge.

6. The system according to claim 1, characterized in that: The auxiliary equipment includes a bridging tool.

7. The system according to claim 1, characterized in that: The vehicle conversion system includes a cargo box.

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