Flue plate top arch trolley construction supporting frame assembly

Abstract

The utility model discloses a flue plate top arch trolley construction supporting frame assembly, secondary lining concrete is poured in a tunnel, the supporting frame assembly supports a flue plate top arch trolley to conduct normal construction, and construction efficiency is improved. The supporting frame assembly is arranged from bottom to top on the whole, the supporting frame assembly is convenient to install, fix and disassemble, and the construction cost of the arched tunnel is reduced; in addition, the supporting frame assembly can also guarantee the stability of the interior of the arched tunnel and guarantee smooth passing of the construction space, and has good practicability.

Description

Technical Field

[0001] The utility model belongs to the technical field of tunnel engineering, and particularly relates to a construction support frame assembly for a flue plate top arch trolley. Background Technique

[0002] Flue plates are applied in the construction of tunnel secondary lining concrete. The flue plates are arranged on both sides of the tunnel trolley to form a pouring formwork for the secondary lining concrete, and seal the two ends of the secondary lining concrete. When pouring concrete, it can limit the pouring range of the concrete and prevent it from flowing out.

[0003] In order to accelerate the construction of the internal structure arch top, improve the utilization rate of the internal structure arch top trolley, and considering that the flue plates on the tunnel may not be able to bear the self-weight of the arch top trolley, the project department needs to design a construction support frame assembly for the flue plate top arch trolley according to the actual situation on site to support the normal operation of the arch top trolley in order to complete the construction tasks safely, efficiently and with high quality. Content of the Utility Model

[0004] The utility model provides a construction support frame assembly for a flue plate top arch trolley. The support frame assembly can support the normal construction of the flue plate top arch trolley, improve the bearing capacity of the flue plate, avoid safety accidents, and effectively improve the efficiency of composite lining of the tunnel internal structure.

[0005] To solve the above problems, the technical solutions provided by the utility model are as follows:

[0006] An embodiment of the utility model provides a construction support frame assembly for a flue plate top arch trolley, which includes two rows of columns (3) arranged oppositely. A sliding mechanism (3-1) is connected to the bottom of each column (3). The sliding mechanism (3-1) is connected to an I-shaped slide rail (3-2), and the sliding mechanism (3-1) is driven by a motor; the I-shaped slide rail (3-2) is fixed on the tunnel bottom platform (2); a base (6) is connected to the tops of the two rows of columns (3). A hydraulic lifting structure (4) is arranged inside the column (3), and the hydraulic lifting structure (4) is used to adjust the height of the base (6); a plurality of shock-absorbing pads (7) are arranged on the base (6), and a workbench (8) is arranged on the plurality of shock-absorbing pads (7), and the workbench (8) is used to carry the arch top trolley.

[0007] According to an optional embodiment of the utility model, the hydraulic lifting structure (4) includes a base (4-1) and a telescopic piston rod (4-2). The base (4-1) is fixed at the bottom of the column (3), and the top end of the telescopic piston rod (4-2) contacts the support shaft (6-1) of the base (6). Baffles (3-3) are arranged on both the base (6) and the side of the column (3), and the baffles (3-3) are used to limit the base (6) to move only along the direction of the support shaft (6-1).

[0008] According to an optional embodiment of the present utility model, two adjacent columns (3) in each row of columns are connected by a scissors beam (5).

[0009] According to an optional embodiment of the present utility model, both the columns (3) and the scissors beam (5) are made of steel structure.

[0010] Beneficial effects: The embodiment of the present utility model provides a construction support frame assembly for a flue slab top arch trolley. When pouring secondary lining concrete in a tunnel, the support frame assembly supports the normal construction of the flue slab top arch trolley, improving the construction efficiency; the support frame assembly is generally arranged from bottom to top, and is convenient for installation, fixation and disassembly, reducing the construction cost of the arched tunnel; the support frame assembly can also ensure the stability inside the arched tunnel and ensure the smooth passage of the construction space, having good practicability. Description of the Drawings

[0011] In order to more clearly illustrate the technical solutions in the embodiments or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0012] Figure 1 It is a schematic structural diagram of a construction support frame assembly for a flue slab top arch trolley provided by an embodiment of the present application.

[0013] Figure 2 For Figure 1 the enlarged schematic diagram at A in

[0014] Figure 3 It is a connection schematic diagram of a column, a base and a hydraulic lifting structure provided by an embodiment of the present application.

[0015] Figure 4 It is a connection schematic diagram of a row of columns provided by an embodiment of the present application. Detailed Embodiments

[0016] The following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the protection scope of the present application.

[0017] As Figure 1As shown in the figure, an embodiment of the utility model provides a construction support frame assembly for a top arch trolley of a flue duct plate, which includes two rows of columns 3 arranged oppositely. A sliding mechanism 3-1 is connected to the bottom of each column 3. The sliding mechanism 3-1 is connected to an I-shaped slide rail 3-2. The sliding mechanism 3-1 is driven by a motor. The I-shaped slide rail 3-2 is fixed on the bottom platform 2 of the tunnel. Refer to Figure 2 . A base 6 is connected to the tops of the two rows of columns 3. A hydraulic lifting structure 4 is arranged inside the column 3. The hydraulic lifting structure 4 is used to adjust the height of the base 6. A plurality of shock-absorbing pads 7 are arranged on the base 6. A workbench 8 is arranged on the plurality of shock-absorbing pads 7. The workbench 8 is used to carry the top arch trolley.

[0018] As Figure 3 shown, the hydraulic lifting structure 4 includes a base 4-1 and a telescopic piston rod 4-2. The base 4-1 is fixed to the bottom of the column 3. The top end of the telescopic piston rod 4-2 contacts the support shaft 6-1 of the base 6. Baffles 3-3 are arranged on both the side of the base 6 and the column 3. The baffle 3-3 is used to limit that the base 6 can only move along the direction of the support shaft 6-1. When the telescopic piston rod 4-2 moves upward, the support shaft 6-1 is lifted, and the base 6 is lifted accordingly; when the telescopic piston rod 4-2 moves downward, the height of the support shaft 6-1 and the base 6 decreases accordingly; thus, the hydraulic lifting structure 4 is used to adjust the height of the base 6. As Figure 4 shown, two adjacent columns in each row of columns 3 are connected by a scissors beam 5. The columns 3 and the scissors beam 5 are both made of steel structures.

[0019] As Figure 1As shown in the figure, a drainage ditch 2-1 is arranged below the platform 2 at the bottom of the tunnel. A flue plate 15 is arranged at the top of the tunnel 1. A first top arch trolley 11 and a second top arch trolley 12 are respectively fixed at both ends of the workbench 8. A first lifting mechanism 9 and a second lifting mechanism 10 are arranged at the middle position of the workbench 8. A cross beam 13 and a flue plate 15 are supported on the first lifting mechanism 9 and the second lifting mechanism 10. Both ends of the cross beam 13 are fixed on both sides of the flue plate 15. A support plate 14 is arranged on the cross beam 13, and the support plate 14 is used to support the arc middle position of the flue plate 15. The first lifting mechanism 9 is connected to the cross beam 13 through a first support arm 9-1, and the second lifting mechanism 10 is connected to the cross beam 13 through a second support arm 10-1. The first top arch trolley 11 is connected to the first lifting mechanism 9 through a third support arm 11-1 and a fourth support arm 11-2, and the first top arch trolley 11 is connected to the cross beam 13 through a fifth support arm 11-3. The second top arch trolley 12 is connected to the second lifting mechanism 10 through a sixth support arm 12-1 and a seventh support arm 12-2, and the second top arch trolley 12 is connected to the cross beam 13 through an eighth support arm 12-3. A steel reinforcement cage is arranged between the flue plate 15 and the tunnel 1. The steel reinforcement cage is fixed on the inner wall of the arched tunnel through hooks, and a secondary lining concrete wall is formed by grouting. Above all, the support frame assembly, the first top arch trolley 11, the second top arch trolley 12, the first lifting mechanism 9 and the second lifting mechanism 10 are convenient to install, fix and disassemble, reducing the construction cost of the arched tunnel.

[0020] In summary, although the present utility model has been disclosed above with the preferred embodiments, the above preferred embodiments are not intended to limit the present utility model. Those of ordinary skill in the art can make various changes and modifications without departing from the spirit and scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the scope defined by the claims.

Claims

1. A flue plate top arch trolley construction support frame assembly, characterized in that: The invention comprises two rows of columns (3) arranged opposite to each other, each column (3) being connected to a sliding mechanism (3-1) at the bottom, the sliding mechanism (3-1) being connected to an I-shaped slide rail (3-2), the sliding mechanism (3-1) being driven by a motor; the I-shaped slide rail (3-2) being fixed on a platform (2) at the bottom of the tunnel; the tops of the two rows of columns (3) being connected to a base (6), the columns (3) being provided with a hydraulic lifting structure (4), the hydraulic lifting structure (4) being used to adjust the height of the base (6); the base (6) being provided with a plurality of shock-absorbing spacers (7), the plurality of shock-absorbing spacers (7) being provided with a workbench (8), the workbench (8) being used to carry a top arch trolley.

2. A flue plate top arch trolley construction support frame assembly according to claim 1, characterized in that: The hydraulic lifting structure (4) comprises a base (4-1) and a telescopic piston rod (4-2); the base (4-1) is fixed to the bottom of the column (3); the top end of the telescopic piston rod (4-2) is in contact with the support shaft (6-1) of the base (6); baffles (3-3) are provided on the sides of the base (6) and the column (3); the baffles (3-3) are used to limit the base (6) to move only along the direction of the support shaft (6-1).

3. A flue plate top arch trolley construction support frame assembly according to claim 2, characterized in that: Two connected upright posts in each row of upright posts (3) are connected by a scissor beam (5).

4. A flue plate top arch trolley construction support frame assembly according to claim 3, characterized in that: The upright column (3) and the scissor beam (5) are both steel structures.

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