Excavation construction rack for high-speed rail tunnel engineering

Abstract

The utility model relates to the technical field of tunnel construction, in particular to a high-speed rail tunnel engineering excavation construction rack. Comprising a rack ring, an arc-shaped construction plate, two sets of tool boxes, a driving upward sliding mechanism and a transverse plate, the rack ring corresponds to the tunnel inner wall structure, the arc-shaped construction plate is fixedly arranged on the inner side wall of the rack ring, a plurality of supporting steps at equal intervals are arranged on the arc-shaped construction plate, and the two sets of tool boxes are symmetrically arranged on the rack ring; the two tool boxes are arranged on the rack ring in a sliding mode, the driving upward sliding mechanism is arranged on the arc-shaped construction plate and connected with the tool boxes, and the transverse plate is arranged at the inner bottom of the rack ring. According to the rack, a large workpiece is arranged in a high-speed rail tunnel for other operation construction, meanwhile, a tool can be rapidly moved to the upper end of the rack, and the using effect of the rack is improved. The high-speed rail tunnel engineering excavation construction rack is mainly applied to the high-speed rail tunnel engineering excavation construction rack.

Description

Technical Field

[0001] This utility model relates to the field of tunnel construction technology, and more specifically, to a construction platform for excavation of high-speed railway tunnels. Background Technology

[0002] Excavation platforms play a vital supporting role in tunnel excavation, ensuring stability during construction and preventing safety accidents such as collapses caused by complex geological conditions or improper construction operations. They also provide a stable working platform for construction workers.

[0003] A search revealed that patent document CN219826050U discloses a construction platform for excavation in high-speed railway tunnel engineering. This platform improves work efficiency by installing straight ladders on the sides of the operating platform and work platform, allowing construction personnel or tools to be transported to the raised work platform during construction. The straight ladders are easy to disassemble, meeting the portability requirements of the original device. The bottom moving component is now driven by a motor, which is more time-saving and labor-saving than manual pushing. A protective top is installed on the work platform to prevent falling rocks from the tunnel ceiling from hitting the construction personnel on the work platform, reducing safety hazards.

[0004] However, the above-mentioned construction platform has certain problems in use: when the construction platform is in use, the workpiece below the platform is obstructed, resulting in insufficient workpieces inside the tunnel during the excavation of the high-speed railway tunnel, making it impossible to carry out other construction work, which reduces the effectiveness of the platform and also reduces the tunnel excavation efficiency. Utility Model Content

[0005] To overcome the shortcomings of the existing technology, this utility model provides a construction platform for excavation of high-speed railway tunnels. This platform solves the problem that the workpiece below the platform is obstructed, resulting in insufficient workpieces inside the tunnel during high-speed railway tunnel excavation, making it impossible to carry out other construction work.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0007] A high-speed railway tunnel excavation construction platform includes a platform ring, an arc-shaped construction plate, tool boxes, a driving upward sliding mechanism, and a horizontal plate. The platform ring is correspondingly arranged with the tunnel inner wall structure. The arc-shaped construction plate is fixedly installed on the inner side wall of the platform ring and has several equidistant supporting steps. Two sets of tool boxes are symmetrically arranged on the platform ring and are slidably mounted on the platform ring. The driving upward sliding mechanism is installed on the arc-shaped construction plate and connected to the tool boxes. The horizontal plate is located at the inner bottom of the platform ring.

[0008] The arc-shaped construction plate is symmetrically provided with sliding grooves. A limiting groove is opened inside the sliding groove. A moving wheel is slidably arranged in the limiting groove. A moving rod is connected to the outside of the moving wheel. The moving rod is slidably arranged in the sliding groove. A retaining ring is rotatably sleeved on the outer wall of the moving rod. The retaining ring is connected to the tool box through two connecting rods.

[0009] The arc-shaped construction plate is symmetrically provided with support grooves, and the retaining ring is provided with support rods, which are slidably disposed in the support grooves.

[0010] The support groove is positioned corresponding to the slide groove, and is located above the slide groove.

[0011] The drive sliding mechanism includes a winding motor and a pull rope. The winding motor is fixedly mounted on the arc-shaped construction plate, and one end of the pull rope is connected to the winding motor, while the other end is connected to the retaining ring.

[0012] The drive sliding mechanism also includes a guide block, which is fixedly mounted on the arc-shaped construction plate. The pull rope is wound around the guide block on the side away from the tool box and then connected to the retaining ring. The side of the guide block is rounded.

[0013] The arc-shaped construction slab is provided with several guide rods arranged in a circle, and the pull rope is placed above the guide rods.

[0014] The bottom of the horizontal plate is provided with multiple jacks, the bottom of the jacks protruding from the frame ring. The bottom of the jacks is provided with positioning plates. The bottom of the frame ring is provided with several through holes, and a horizontal bar is fixedly installed in the through holes. A traveling wheel is rotatably sleeved on the horizontal bar.

[0015] A ring of baffles is provided on the arc-shaped construction plate. The baffles are fixed to the arc-shaped construction plate by bolts, and a protective plate is connected to the baffles and surrounds the arc-shaped construction plate.

[0016] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0017] By incorporating a frame ring, cross plate, jacks, positioning plate, crossbar, and traveling wheels, the position of the frame ring can be adjusted in real time according to the tunnel excavation distance, eliminating the need for frequent disassembly and assembly of the construction platform and improving its versatility. A symmetrically arranged sliding mechanism, linked to a drive mechanism, allows the toolbox to automatically rise and fall to the top of the platform, enabling workers to quickly retrieve tools without frequent climbing, significantly reducing downtime. The toolbox, with its multi-stage limiting mechanism including wheels, limit grooves, and support rods, ensures it remains vertical during lifting, preventing tool tipping. The rounded corners of the guide blocks further eliminate interference issues during rope transmission. The symmetrical layout of the toolbox and the surrounding guide rod design rationally divide the construction path, reducing personnel interference. With the frame ring in place, the platform allows for the handling of larger workpieces within the high-speed rail tunnel for other construction work, while also enabling tools to be quickly moved to the top of the platform, improving its overall efficiency. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of this utility model;

[0019] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0020] Figure 3 for Figure 1 Enlarged view of point B in the middle;

[0021] Figure 4 This is a schematic diagram of the arc-shaped construction frame in this utility model;

[0022] Figure 5 This is a schematic diagram of the interior of the slide groove in this utility model;

[0023] In the diagram: 1 is the platform ring, 2 is the arc-shaped construction plate, 3 is the support step, 4 is the slide groove, 5 is the limiting groove, 6 is the moving wheel, 7 is the moving rod, 8 is the retaining ring, 9 is the connecting rod, 10 is the tool box, 11 is the winding motor, 12 is the pull rope, 13 is the guide rod, 14 is the guide block, 15 is the support rod, 16 is the support groove, 17 is the horizontal plate, 18 is the jack, 19 is the positioning plate, 20 is the horizontal bar, 21 is the traveling wheel, 22 is the stop bar, 23 is the protective plate, and 24 is the bolt. Detailed Implementation

[0024] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0025] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present invention is not limited to the specific embodiments disclosed below.

[0026] like Figures 1 to 5 As shown, a high-speed railway tunnel excavation construction platform includes a platform ring 1, an arc-shaped construction plate 2, a tool box 10, a drive sliding mechanism, and a horizontal plate 17. The platform ring 1 is correspondingly arranged with the tunnel inner wall structure. The arc-shaped construction plate 2 is fixedly arranged on the inner side wall of the platform ring 1. Several equidistant support steps 3 are arranged on the arc-shaped construction plate 2. Two sets of tool boxes 10 are symmetrically arranged on the platform ring 1. The two tool boxes 10 are slidably arranged on the platform ring 1. The drive sliding mechanism is arranged on the arc-shaped construction plate 2 and connected to the tool box 10. The horizontal plate 17 is arranged at the inner bottom of the platform ring 1.

[0027] The support frame 1 is made up of multiple supporting steel plates welded together end to end. The support frame 3 allows construction personnel to move to the top of the arc-shaped construction plate 2, facilitating the convenient installation of components such as protective plates on the upper part of the tunnel inner wall.

[0028] Preferably, the curved construction plate 2 is symmetrically provided with sliding grooves 4, and a limiting groove 5 is formed inside the sliding groove. A movable wheel 6 is slidably arranged in the limiting groove 5, and a movable rod 7 is connected to the outside of the movable wheel 6. The movable rod 7 is slidably arranged in the sliding groove 4, and a retaining ring 8 is rotatably sleeved on the outer wall of the movable rod 7. The retaining ring 8 is connected to the tool box 10 through two connecting rods 9. Construction tools can be placed in the tool box 10, and it can be moved to the upper end of the platform by the support of the sliding groove 4 and the limiting groove 5, so that construction personnel can easily access the construction equipment.

[0029] Preferably, the arc-shaped construction plate 2 is symmetrically provided with support grooves 16, and the retaining ring 8 is provided with support rods 15, which are slidably disposed in the support grooves 16.

[0030] Preferably, the support groove 16 is positioned corresponding to the slide groove 4, and the support groove 16 is positioned above the slide groove 4.

[0031] Preferably, the driving sliding mechanism includes a winding motor 11 and a pull rope 12. The winding motor 11 is fixedly mounted on the arc-shaped construction plate 2. One end of the pull rope is connected to the winding motor 11, and the other end is connected to the retaining ring 8. With the winding cooperation of the winding motor 11 and the pull rope 12, the tool box 10 can be stably moved to the upper end of the platform, while the guide rod 13 effectively limits the transmission of the pull rope 12, minimizing the impact of the pull rope 12 on the construction area inside the platform.

[0032] Preferably, the drive sliding mechanism further includes a guide block 14, which is fixedly mounted on the arc-shaped construction plate 2. The pull rope 12 is wound around the guide block 14 on the side away from the tool box 10 and then connected to the retaining ring 8. The side of the guide block 14 is rounded.

[0033] Preferably, the arc-shaped construction slab 2 is provided with a number of guide rods 13 arranged in a circular pattern, and the pull rope 12 is set above the guide rods 13.

[0034] Preferably, the bottom of the horizontal plate 17 is provided with multiple jacks 18, the bottom of the jacks 18 passes through the frame ring 1, the bottom of the jacks 18 is provided with a positioning plate 19, the bottom of the frame ring 1 is provided with several through holes, a horizontal bar 20 is fixedly installed in the through holes, and a traveling wheel 21 is rotatably sleeved on the horizontal bar 20.

[0035] Can the jack 18, together with the positioning plate 19, determine the position of the platform ring 1 so that the platform can be stably set up? With the support of the crossbar 20 and the traveling wheel 21, the platform ring 1 can move inside the tunnel. The platform can be moved as a whole without plugging in the platform components, which improves the multi-functionality of the platform.

[0036] Preferably, a ring of baffles 22 is provided on the curved construction slab 2. The baffles 22 are fixed to the curved construction slab 2 by bolts 24, and a protective plate 23 is connected to the baffles 22 and surrounds the curved construction slab 2. This can effectively protect the side of the construction personnel when they are located at the top of the platform.

[0037] When the construction platform is in use, the positioning plate 19 is brought into contact with the tunnel ground by the push of the jack 18. At this time, the position of the platform ring 1 is fixed. Since the platform ring 1 has the same structure as the tunnel interior, there is enough space inside the platform ring 1 for other construction operations inside the tunnel.

[0038] When construction workers need to install components such as protective plates at the upper part of the tunnel, they can move to the upper part of the arc-shaped construction plate 2 via the support step 3. At this time, the construction workers below can place the construction tools in the tool box 10 and start the winding motor 11, so that the winding motor 11 winds the pull rope 12. During this process, with the support of the guide block 14 and multiple guide rods 13, the pull rope 12 can perform transmission work on the outside of the arc-shaped construction plate 2 without occupying the internal space of the frame ring 1. During the winding of the pull rope 12, through the sliding cooperation of the moving wheel 6 and the sliding rod 7 with the limiting groove 5 and the sliding groove 4, the tool box 10 can always be kept vertical and moved to the top of the frame ring 1, which makes it convenient for the operators to pick up and use the tools under the side protection of multiple baffles 22 and protective plates 23.

[0039] During the continuous excavation of the tunnel, the jack 18 can be retracted according to the tunnel excavation distance. At this time, the positioning plate 19 separates from the ground, allowing the traveling wheel 21 to contact the ground. With the rotational support of the traveling wheel 21 and the crossbar 20, the entire platform ring 1 can move inside the tunnel. The platform ring 1 can be driven to move without disassembling the platform components, which improves the multi-functionality of the platform.

[0040] The above description only details the preferred embodiments of the present utility model. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model, and all such changes should be included within the protection scope of the present utility model.

Claims

1. A high-speed railway tunnel engineering excavation construction bench, characterized in that: Including gantry ring (1), arc construction board (2), tool box (10), drive up sliding mechanism and cross plate (17), the gantry ring (1) is correspondingly arranged with tunnel inner wall structure, the arc construction board (2) is fixedly arranged on the inner side wall of the gantry ring (1), the arc construction board (2) is provided with a plurality of equidistantly spaced support steps (3), the tool box (10) is symmetrically provided with two groups on the gantry ring (1), two tool boxes (10) are slidingly arranged on the gantry ring (1), the drive up sliding mechanism is arranged on the arc construction board (2), the drive up sliding mechanism is connected with the tool box (10), the cross plate (17) is arranged on the inner bottom of the gantry ring (1).

2. The high-speed rail tunnel engineering excavation construction bench according to claim 1, characterized in that: The arc construction board (2) is symmetrically provided with a sliding groove (4), the sliding groove is internally provided with a limiting groove (5), the mobile wheel (6) is slidingly arranged in the limiting groove (5), the mobile wheel (6) is connected with the mobile rod (7) outside, the mobile rod (7) is slidingly arranged in the sliding groove (4), the mobile rod (7) is rotatably sleeved with the blocking ring (8) outside the lateral wall, the blocking ring (8) is connected with the tool box (10) through two connecting rods (9).

3. The high-speed rail tunneling construction benching of claim 2, wherein: The arc construction board (2) is symmetrically provided with a support groove (16), the support rod (15) is arranged on the blocking ring (8), and the support rod (15) is slidingly arranged in the support groove (16).

4. The high-speed rail tunneling construction benching of claim 3, wherein: The support groove (16) is arranged above the sliding groove (4) in correspondence with the position of the sliding groove (4).

5. The high-speed rail tunneling construction benching of claim 2, wherein: The drive up sliding mechanism includes a winding motor (11) and a pull rope (12), the winding motor (11) is fixedly arranged on the arc construction board (2), one end of the pull rope (12) is connected with the winding motor (11), and the other end is connected with the blocking ring (8).

6. The high-speed rail tunneling construction benching of claim 5, wherein: The drive up sliding mechanism further includes a guide block (14), the guide block (14) is fixedly arranged on the arc construction board (2), the pull rope (12) is arranged on the side of the guide block (14) away from the tool box (10), and the other end is connected with the blocking ring (8), and the side of the guide block (14) is provided with a rounded corner.

7. The high-speed rail tunneling construction benching of claim 6, wherein: The arc construction board (2) is provided with a plurality of guide rods (13) arranged in a ring, and the pull rope (12) is arranged above the guide rods (13).

8. The high-speed rail tunneling construction benching of claim 1, wherein: The bottom of the cross plate (17) is provided with a plurality of jacks (18), the jacks (18) are arranged through the gantry ring (1), the jacks (18) are provided with positioning plates (19) at the bottom, a plurality of through holes are formed in the bottom of the gantry ring (1), the horizontal rods (20) are fixedly arranged in the through holes, and the walking wheels (21) are rotatably sleeved on the horizontal rods (20).

9. The high-speed rail tunneling construction benching of claim 1, wherein: The arc construction board (2) is provided with a baffle (22) arranged in a ring, the baffle (22) is fixed on the arc construction board (2) by bolts (24), and the baffle (22) is connected with a protection plate (23) arranged around the arc construction board (2).

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