Stack bridge suitable for hoisting of deep-buried culvert

Abstract

A trestle bridge suitable for hoisting deeply buried culverts in tunnels includes a trestle bridge body and hoisting components. The trestle bridge body has multiple sets of bridge panels that can be flipped up and down to allow pipes to pass through. This invention features high integration, eliminating the need for cranes or excavators during pipe hoisting, thus saving equipment costs. The bridge panels on the trestle bridge body have a flip-up and openable structure. When closed, vehicles can pass normally on the trestle bridge body; when open, the hoisted pipe can pass through and be lowered to the installation position. In use, a trolley is first moved to the location of the transport vehicle, the hoisting components lift a pipe, and then the trolley is moved to the installation position. The bridge panels above the installation position open, and the hoisting components lower the pipe through the bridge panels to the installation position. The entire installation process is smooth, which helps to improve construction efficiency, shorten construction time, and allows for flexible selection of the construction space, no longer limited to the front end of the trestle bridge.

Description

Technical Field

[0001] This invention relates to the field of mechanical equipment for tunnel construction, and in particular to a trestle suitable for hoisting deeply buried culverts in tunnels. Background Technology

[0002] In current tunnel construction, some tunnels require the installation of deep-buried drainage ditches beneath the invert layer, necessitating the installation of prefabricated pipes at the bottom of the tunnel's central area. Currently, the installation of these prefabricated pipes in the deep-buried drainage ditches requires cranes or excavators for assisted lifting. The process involves preparing the pipes near the drainage ditch at the front of the trestle bridge, and then hoisting each pipe into the ditch one by one. This existing construction method presents the following problems:

[0003] 1. The need for additional vehicles or equipment for auxiliary hoisting increases the equipment cost of the construction.

[0004] 2. The hoisting and installation of prefabricated pipes is not very convenient and takes a long time.

[0005] 3. The bridge deck of the trestle is a fixed structure, and the prefabricated pipes can only be lifted from the front end of the trestle, which restricts the construction space. Summary of the Invention

[0006] The technical problem to be solved by the present invention is to overcome the shortcomings of the prior art and provide a simple trestle bridge with flexible construction space that is suitable for hoisting culverts buried deep in tunnels.

[0007] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0008] A trestle bridge suitable for hoisting deeply buried culverts in tunnels includes a trestle bridge body and hoisting components. The trestle bridge body is equipped with multiple sets of bridge decks that can be flipped up and down to allow pipelines to pass through.

[0009] As a further improvement to the above technical solution: the bridge deck is provided with a first guide member, the first guide member is provided with a first sliding member, the main body of the trestle is provided with a second guide member, a connecting rod and a sliding drive member, the second guide member is provided with a second sliding member, the sliding drive member is connected to the second sliding member, the second sliding member is hinged to the bridge deck, one end of the connecting rod is hinged to the main body of the trestle, and the other end is hinged to the first sliding member.

[0010] As a further improvement to the above technical solution: each group of bridge decks includes two pieces, which are respectively located on the left and right sides of the main body of the trestle bridge.

[0011] As a further improvement to the above technical solution: the sliding drive component is a lead screw with opposite helical directions at its left and right ends, and the second sliding component is provided with a threaded hole and sleeved on the lead screw.

[0012] As a further improvement to the above technical solution: a mobile trolley is provided on the main body of the trestle, and the hoisting component is located on the mobile trolley.

[0013] As a further improvement to the above technical solution: the main body of the trestle bridge includes two parallel rows of main beams and a crossbeam located between the two rows of main beams, the moving trolley is located on the main beams, and the bridge deck is located on the crossbeam.

[0014] As a further improvement to the above technical solution: the upper part of the mobile trolley is provided with a transverse guide, the transverse guide is provided with a hoisting trolley, and the hoisting component is provided on the hoisting trolley.

[0015] As a further improvement to the above technical solution: the mobile trolley has a portal-shaped structure.

[0016] As a further improvement to the above technical solution: multiple sets of the bridge deck panels are arranged longitudinally along the main body of the trestle.

[0017] As a further improvement to the above technical solution: the main body of the trestle is provided with a front approach bridge and a rear approach bridge at both ends.

[0018] Compared with the prior art, the advantages of the present invention are as follows: The trestle bridge disclosed in the present invention is suitable for hoisting culverts buried in tunnels. The bridge deck on the main body of the trestle bridge no longer adopts a fixed structure but a structure that can be flipped up and down to open and close. When closed, vehicles or other equipment can pass normally on the main body of the trestle bridge. When open, the hoisted pipe can pass through and be lowered to the installation position. The construction space can be flexibly selected and is no longer limited to the front end of the trestle bridge.

[0019] Furthermore, a mobile trolley is integrated into the main body of the trestle, and a lifting component is installed on the mobile trolley. The integration is high, and no crane or excavator is needed to assist in lifting the pipeline, thereby saving the equipment costs required for construction. In use, the mobile trolley is first moved to the location of the transport vehicle, the lifting component lifts a pipeline, and then the mobile trolley is moved to the installation position. The bridge deck above the installation position is opened, and the lifting component lowers the pipeline through the bridge deck to the installation position. The entire installation process is smooth, and the pipeline can be directly lifted from the transport vehicle to the installation position, making construction more convenient, improving construction efficiency, and shortening construction time. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the main structure of the trestle bridge applicable to the hoisting of deeply buried culverts in tunnels, according to the present invention.

[0021] Figure 2 This is a top view of the trestle structure of the present invention, which is applicable to the hoisting of deeply buried culverts in tunnels.

[0022] Figure 3This is a side view of the trestle structure of the present invention, which is applicable to the hoisting of deeply buried culverts in tunnels.

[0023] Figure 4 This is a schematic diagram of the process of installing pipes according to the present invention.

[0024] Figure 5 yes Figure 3 A magnified view of a portion of the image.

[0025] The labels in the diagram represent: 1. Main body of the trestle bridge; 11. Main beam; 12. Crossbeam; 13. Second guide component; 14. Second sliding component; 15. Connecting rod; 16. Sliding drive component; 2. Moving trolley; 21. Lateral guide component; 22. Lifting trolley; 3. Pipeline; 4. Bridge deck; 41. First guide component; 42. First sliding component; 5. Lifting component; 6. Front approach bridge; 7. Rear approach bridge. Detailed Implementation

[0026] In the description of this application, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0027] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0028] In this application, unless otherwise expressly specified and limited, the terms "assembly," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0029] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0030] Figures 1 to 5This invention illustrates an embodiment of a trestle bridge applicable to the hoisting of deeply buried culverts in tunnels. The trestle bridge of this embodiment includes a trestle body 1, on which a mobile trolley 2 and multiple sets of bridge deck panels 4 that can be tilted and opened to allow pipes 3 to pass are mounted. The mobile trolley 2 is equipped with hoisting components 5. The hoisting components 5 can be commercially available hoisting equipment; their specific structure will not be described in detail.

[0031] This embodiment of the trestle bridge, suitable for hoisting deeply buried culverts in tunnels, integrates a mobile trolley 2 on the main body 1, with hoisting components 5 mounted on the trolley 2. This high degree of integration eliminates the need for cranes or excavators when hoisting the pipes 3, thus saving on equipment costs. The bridge deck 4 on the main body 1 no longer uses a fixed structure but rather a structure that can be flipped up and down to open and close. When closed, it allows vehicles or other equipment to pass normally on the main body 1 (specifically as follows). Figure 4 As shown in a), when opened, it allows the hoisted pipe 3 to pass through and be lowered to the installation position (specifically as shown in a diagram). Figure 4 (as shown in b and 4c); In use, the mobile trolley 2 first moves to the location of the transport vehicle, the hoisting component 5 lifts a pipe 3, and then the mobile trolley 2 moves to the installation position. The bridge panel 4 above the installation position is opened, and the hoisting component 5 lowers the pipe 3 through the bridge panel 4 to the installation position. The entire installation process is smooth, and the pipe 3 can be directly hoisted from the transport vehicle to the installation position, making construction more convenient, improving construction efficiency, shortening construction time, and allowing for flexible selection of the construction space or installation position, no longer limited to the front end of the trestle.

[0032] Furthermore, in this embodiment, the bridge deck 4 is provided with a first guide member 41, and the first guide member 41 is provided with a first sliding member 42. The main body of the trestle bridge is provided with a second guide member 13, a connecting rod 15, and a sliding drive member 16. The second guide member 13 is provided with a second sliding member 14, and the sliding drive member 16 is connected to the second sliding member 14. The second sliding member 14 is hinged to the bridge deck 4. One end of the connecting rod 15 is hinged to the main body of the trestle bridge, and the other end is hinged to the first sliding member 42. When the sliding drive member 16 drives the second sliding member 14 to move along the second guide member 13 and approach the connecting rod 15, the bridge deck 4 flips upward under the action of the connecting rod 15 and the first sliding member 42, allowing the hoisted pipe 3 to pass through and descend to the installation position. The two bridge decks 4 in the same group form a V-shaped structure, which can provide guidance for the pipe 3 and help the pipe 3 to be accurately positioned during hoisting. It can also provide protection for the main bridge 1 to prevent some transmission components from being impacted by the pipe 3. When the sliding drive component 16 drives the second sliding component 14 to move away from the connecting rod 15 along the second guide component 13, the bridge deck 4 can return to a horizontal state, allowing vehicles or other equipment to pass normally on the trestle body 1. The structure is simple and reliable, and the bridge deck 4 flips up and down smoothly. The guide components can be guide rails, guide grooves, or guide posts, etc., and the sliding components can be sliders, sliding sleeves, or roller assemblies, etc., which will not be described further.

[0033] In a preferred embodiment, each set of bridge deck panels 4 includes two panels, which are respectively located on the left and right sides of the main body of the trestle 1. The structure is simple and reliable. When opened, it can form a wide passage for the pipe 3 to pass through, and provide protection and guidance for the pipe 3. Of course, in other embodiments, the number of bridge deck panels 4 included in each set of bridge deck panels 4 can also be adjusted.

[0034] Furthermore, in this embodiment, the sliding drive component 16 is a lead screw with opposite helical directions at its left and right ends. The second sliding component 14 has a threaded hole and is fitted onto the lead screw. In use, the lead screw rotates, and the second sliding components 14 at both ends of the lead screw can only reciprocate along the lead screw under the constraint of the second guide component 13. Because the helical directions at both ends are opposite, the second sliding components 14 at both ends move closer together or further apart. When they move closer together, the bridge panel 4 gradually returns to a horizontal state; when they move further apart, the bridge panel 4 gradually flips upward. The structure is simple and effective. Of course, in other embodiments, the sliding drive component 16 can be a hydraulic cylinder, a pneumatic cylinder, or an electric push rod, etc., which are technically mature and reliable, and can also drive the second sliding component 14 to reciprocate along the second guide component 13. Further details are omitted.

[0035] Furthermore, in this embodiment, the main body 1 of the trestle bridge includes two parallel rows of main beams 11 and a crossbeam 12 located between the two rows of main beams 11. The moving trolley 2 is mounted on the main beams 11, and the bridge deck 4 is mounted on the crossbeam 12. It should be noted that the main beams 11 are arranged longitudinally, or in other words, along the front-to-back direction and along the length of the tunnel. Correspondingly, the transverse direction is the left-to-right direction, or the width direction of the tunnel. By mounting the moving trolley 2 and the bridge deck 4 on the main beams 11 and the crossbeams 12 respectively, the longitudinal reciprocating movement of the moving trolley 2 and the up-and-down flipping and opening of the bridge deck 4 can be avoided, resulting in a simple and effective structure.

[0036] Furthermore, in this embodiment, the upper part of the moving trolley 2 is provided with a transverse guide 21 (such as a commonly used I-shaped cross-section guide), and a lifting trolley 22 is provided on the transverse guide 21. The lifting component 5 is located on the lifting trolley 22. The lifting trolley 22 can drive the lifting component 5 to move along the transverse guide 21, thereby adjusting the transverse position of the pipe 3, ensuring that the transverse installation position of the pipe 3 is accurate, and the structure is simple and reasonable.

[0037] As a preferred embodiment, multiple sets of bridge deck panels 4 are arranged longitudinally along the main body of the trestle 1, further improving the flexibility of the installation position of the pipeline 3.

[0038] As a preferred embodiment, the mobile trolley 2 has a portal-shaped structure, which facilitates the hoisting of the pipe 3 by the hoisting component 5. At the same time, when the pipe 3 does not need to be installed, other vehicles or equipment can pass normally through the inside of the mobile trolley 2 without affecting the function of the trestle.

[0039] Furthermore, in this embodiment, a front approach bridge 6 and a rear approach bridge 7 are respectively provided at both ends of the trestle body 1. The front approach bridge 6 and the rear approach bridge 7 are provided to facilitate vehicles or other equipment to board and alight from the trestle body 1.

[0040] While the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the invention. Any person skilled in the art can make many possible variations and modifications to the technical solutions of the present invention, or modify them into equivalent embodiments, without departing from the scope of the present invention. Therefore, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present invention, without departing from the scope of the present invention, should fall within the protection scope of the present invention.

Claims

1. A trestle bridge suitable for hoisting deeply buried culverts in tunnels, comprising a trestle bridge body (1) and hoisting components (5), characterized in that: The main body (1) of the trestle is provided with multiple sets of bridge panels (4) that can be flipped up and down to allow the pipe (3) to pass through. The bridge panel (4) is provided with a first guide (41) and a first sliding member (42). The main body (1) of the trestle is provided with a second guide (13), a connecting rod (15) and a sliding drive (16). The second guide (13) is provided with a second sliding member (14). The sliding drive (16) is connected to the second sliding member (14). The second sliding member (14) is hinged to the bridge panel (4). One end of the connecting rod (15) is hinged to the main body (1) of the trestle and the other end is hinged to the first sliding member (42). The main body (1) of the trestle is provided with a mobile trolley (2). The hoisting component (5) is provided on the mobile trolley (2).

2. The trestle bridge for hoisting deeply buried culverts in tunnels according to claim 1, characterized in that: Each group of bridge deck panels (4) includes two panels, which are located on the left and right sides of the main body of the trestle bridge (1).

3. The trestle bridge for hoisting deeply buried culverts in tunnels according to claim 2, characterized in that: The sliding drive component (16) is a lead screw with opposite helical directions at its left and right ends. The second sliding component (14) has a threaded hole and is fitted onto the lead screw.

4. The trestle bridge for hoisting deeply buried culverts in tunnels according to any one of claims 1 to 3, characterized in that: The main body (1) of the trestle bridge includes two parallel rows of main beams (11) and a crossbeam (12) between the two rows of main beams (11). The moving trolley (2) is located on the main beams (11) and the bridge deck (4) is located on the crossbeam (12).

5. The trestle bridge for hoisting deeply buried culverts in tunnels according to claim 4, characterized in that: The mobile trolley (2) is provided with a transverse guide (21) on its upper part, and a hoisting trolley (22) is provided on the transverse guide (21). The hoisting component (5) is provided on the hoisting trolley (22).

6. The trestle bridge for hoisting deeply buried culverts in tunnels according to claim 4, characterized in that: The mobile trolley (2) has a portal-shaped structure.

7. The trestle bridge for hoisting deeply buried culverts in tunnels according to any one of claims 1 to 3, characterized in that: Multiple sets of the bridge deck panels (4) are arranged longitudinally along the main body of the trestle (1).

8. The trestle bridge for hoisting deeply buried culverts in tunnels according to any one of claims 1 to 3, characterized in that: The main body of the trestle (1) is provided with a front approach bridge (6) and a rear approach bridge (7) at both ends.

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