Supporting structure for installing steel arch of subsurface tunnel

Abstract

The utility model relates to the technical field of steel arches, and discloses a supporting structure for installing a subsurface tunnel steel arch, which comprises an adjusting column clamped at the upper end of a stand column, the upper end of the adjusting column is detachably connected with a supporting plate for connection, and the upper end of the supporting plate is fixedly provided with a supporting arch. A disc used for positioning is fixedly installed on the side face of the arch frame, and a guide rod used for connection is fixedly connected to the side face of the disc. According to the supporting structure for installing the steel arch of the subsurface tunnel, through cooperative arrangement of the stand columns and the adjusting columns, the height of the supporting structure can be adjusted according to the height of the tunnel before a worker installs the supporting structure for installing the steel arch, so that the supporting structure reaches the proper height, and the steel arch is installed; therefore, the tunnel can be supported, and the applicability of the supporting structure for installing the subsurface tunnel steel arch is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel arch technology field, concretely is a support structure for excavation tunnel steel arch installation. BACKGROUND

[0002] In the process of excavation tunnel steel arch installation, the support structure plays a vital role, which is used as a lifting mechanism during the installation of the steel arch in the tunnel excavation process, used to hold up the steel arch to support the tunnel top surface. During the installation of the steel arch, the support structure can provide stable support to prevent the steel arch from tilting or deforming due to its own weight or external forces, ensuring the stability and safety after installation. The support structure for excavation tunnel steel arch installation plays an important role in improving installation efficiency and safety, ensuring installation accuracy and stability, adapting to complex construction environment, and optimizing construction process. The application of these structures not only improves the overall level of tunnel construction, but also provides a strong guarantee for the safety and quality of tunnel engineering.

[0003] However, the prior art has the following problems in actual use: in the prior art, it is inconvenient for the worker to adjust the steel arch according to the height of the tunnel, thereby making it inconvenient to support the tunnel, and at the same time, it is inconvenient for the worker to adjust the distance between the steel arches, thereby reducing the practicability of the excavation tunnel steel arch. INVENTION CONTENTS

[0004] (I) Technical problem solved

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a support structure for excavation tunnel steel arch installation, which solves the problem that it is inconvenient for the worker to adjust the steel arch according to the height of the tunnel in the prior art, thereby making it inconvenient to support the tunnel, and at the same time, it is inconvenient for the worker to adjust the distance between the steel arches, thereby reducing the practicability of the excavation tunnel steel arch.

[0006] (II) Technical scheme

[0007] In order to achieve the above-mentioned purposes, the utility model is realized by the following technical scheme: a support structure for excavation tunnel steel arch installation, comprising an adjusting column clamped on the upper end of a stand, the upper end of the adjusting column is detachably connected with a support plate for connection, the upper end of the support plate is fixedly installed with an arch for support, the side surface of the arch is fixedly installed with a disc for positioning, the side surface of the disc is fixedly connected with a guide rod for connection, one end of the guide rod is threadedly connected with a lead screw for adjustment, and one end of the lead screw is fixedly installed with a rotating disc for rotation.

[0008] As a preferred, the side surface of the stand is provided with a round hole for positioning, and the inside of the round hole is inserted with a plug for fixing.

[0009] As preferred, the lower end of the column is fixedly connected with a limiting plate for connection, and the lower end of the limiting plate is fixedly installed with a bottom plate for support.

[0010] As preferred, the upper end of the limiting plate is inserted with a bolt for fixation, and the bolt is threadedly connected with the upper end of the bottom plate.

[0011] As preferred, the outer surface of the bottom plate is fixedly connected with a fixing plate for positioning, and the upper end of the fixing plate is inserted with a pin for positioning.

[0012] As preferred, the upper end of the adjusting column is fixedly connected with a side plate for positioning, and the upper end of the side plate is inserted with a threaded head for fixation.

[0013] As preferred, the side surface of the disc is inserted with a screw for fixation, and the screw is threadedly connected with the side surface of the arch.

[0014] As preferred, one end of the lead screw is fixedly connected with a fixing disc for connection, and the side surface of the fixing disc is inserted with a positioning pin.

[0015] (Three) beneficial effects

[0016] The utility model provides a support structure for tunnel steel arch installation of excavation, has the following beneficial effects:

[0017] 1, this support structure for tunnel steel arch installation of excavation, through the cooperation of column and adjusting column setting, can be in the staff to the steel arch installation of excavation of the support structure before installation, according to the height of tunnel, the height of support structure can be adjusted, make the support structure reach the suitable height, and install the steel arch, can play the role of supporting to the tunnel, further improve the applicability of the support structure for tunnel steel arch installation of excavation, and reflect the purpose of being convenient for staff operation.

[0018] 2, this support structure for tunnel steel arch installation of excavation, through the cooperation of arch, disc, guide rod, lead screw and carousel setting, can be convenient for staff to rotate carousel, can drive lead screw to rotate, thereby can according to the actual situation of tunnel, the distance between two arches is adjusted, and plays the role of supporting to the tunnel, further improves the practicality of the support structure for tunnel steel arch installation of excavation, and through disc, can stably fix guide rod arch on the side surface of arch. ACCURACY OF DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the utility model;

[0020] Figure 2The utility model discloses a column structure schematic diagram shows.

[0021] Figure 3 The utility model discloses an arch structure schematic diagram shows.

[0022] Figure 4 The utility model discloses a guide rod structure schematic diagram shows.

[0023] In the drawing: 1, column, 2, adjusting column, 3, support plate, 4, arch, 5, disc, 6, guide rod, 7, screw rod, 8, turntable, 9, round hole, 10, bolt, 11, limiting plate, 12, bottom plate, 13, bolt, 14, fixed plate, 15, side plate, 16, screw, 17, fixed disc. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Please refer to Figures 1 to 4 The utility model discloses a kind of support structures for installation of tunnel steel arch, which is applied to the scene of supporting tunnel, and the structure for auxiliary lifting of steel arch installation is improved in the embodiment, so that it has the advantage of being convenient for adjusting the height of steel arch and the distance between them.

[0026] Embodiment one:

[0027] Please refer to Figures 1 to 4 To further ensure the stability of the column 1, the adjusting column 2 is connected to the upper end of the column 1, the side surface of the column 1 is provided with a round hole 9 for positioning, the round hole 9 is inserted with a bolt 10 for fixing, the lower end of the column 1 is fixedly connected with a limiting plate 11 for connection, the lower end of the limiting plate 11 is fixedly installed with a bottom plate 12 for support, the upper end of the limiting plate 11 is inserted with a bolt 13 for fixing, the bolt 13 penetrates the upper end of the limiting plate 11 and is threadedly connected to the upper end of the bottom plate 12, the outer surface of the bottom plate 12 is fixedly connected with a fixed plate 14 for positioning, and the upper end of the fixed plate 14 is inserted with a pin for positioning.

[0028] The round hole 9 and the bolt 10 can limit and fix the adjusting column 2 with adjusted height, and the column 1 can be more stably fixed on the ground through the limiting plate 11, the bottom plate 12, the bolt 13, the fixed plate 14 and the pin, so as to ensure the stability of the lower end of the column 1 and further improve the overall stability.

[0029] Embodiment two:

[0030] Please refer to Figure 1 And Figure 2 , in order to support plate 3 more stable fixed in the upper end of the adjusting column 2, the upper end of the adjusting column 2 detachable connection for connecting the support plate 3, the upper end of the support plate 3 fixedly installed for support arch 4, the upper end of the adjusting column 2 fixedly connected with the side plate 15 for positioning, the upper end of the side plate 15 is inserted for fixed screw head;

[0031] Through the setting of the side plate 15 and the screw head, the support plate 3 can be more firmly fixed on the upper end of the adjusting column 2, so as to support the arch 4, further guarantee the stability and firmness of the arch 4 when supporting the tunnel.

[0032] Example three:

[0033] Please refer to Figures 1 to 4 , in order to fix the disc 5 more firmly on the side of the arch 4, the side of the arch 4 is fixedly installed for positioning disc 5, the side of the disc 5 is fixedly connected with the guide rod 6 for connecting, one end of the guide rod 6 is threadedly connected with the lead screw 7 for adjusting, one end of the lead screw 7 is fixedly installed with the rotating disc 8 for rotating, the side of the disc 5 is inserted for fixed screw 16, the screw 16 is threadedly connected in the side of the arch 4 through the side of the disc 5, one end of the lead screw 7 is fixedly connected with the fixed disc 17 for connecting, the side of the fixed disc 17 is inserted with the positioning pin;

[0034] Through the setting of the screw 16, the disc 5 can be more stably fixed on the side of the arch 4, so as to ensure the stability of the guide rod 6, through the setting of the fixed disc 17 and the positioning pin, one end of the lead screw 7 can be fixed on the side of the rotating disc 8, further ensure that the lead screw 7 will not be broken when rotating with the rotating disc 8.

[0035] In the utility model, the working steps of the device are as follows:

[0036] Firstly, the column 1 is fixed on the ground through the bottom plate 12, the side plate 15 and the pin, secondly, the support plate 3 is fixed on the upper end of the adjusting column 2, and the guide rod 6 is fixed on the side of the arch 4 through the disc 5, then the arch 4 is fixed on the upper end of the support plate 3, and the lead screw 7 is fixed on both sides of the rotating disc 8 and is threadedly connected with one end of the guide rod 6, finally, the adjusting column 2 is adjusted, so that the arch 4 supports the tunnel.

[0037] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A support structure for installation of a steel arch for a tunnel, comprising an adjusting column (2) clamped to the upper end of a stand column (1), characterized in that: The upper end of the adjusting column (2) is detachably connected with a support plate (3) for connection, the upper end of the support plate (3) is fixedly installed with an arch support (4) for support, the side surface of the arch support (4) is fixedly installed with a disc (5) for positioning, the side surface of the disc (5) is fixedly connected with a guide rod (6) for connection, one end of the guide rod (6) is threadedly connected with a lead screw (7) for adjustment, one end of the lead screw (7) is fixedly installed with a rotating disc (8) for rotation.

2. The support structure for installing a steel arch of a tunneling work according to claim 1, wherein: The side surface of the stand column (1) is provided with a round hole (9) for positioning, and the inside of the round hole (9) is inserted with a bolt (10) for fixing.

3. The support structure for installing a steel arch of a tunneling machine according to claim 1, wherein: The lower end of the stand column (1) is fixedly connected with a limiting plate (11) for connection, and the lower end of the limiting plate (11) is fixedly installed with a bottom plate (12) for support.

4. The support structure for installing a steel arch of a tunneling machine according to claim 3, wherein: The upper end of the limiting plate (11) is inserted with a bolt (13) for fixing, and the bolt (13) penetrates the upper end of the limiting plate (11) and is threadedly connected with the upper end of the bottom plate (12).

5. The support structure for installing a steel arch frame of a tunnel excavated by a tunneling method according to claim 3, characterized in that: The outer surface of the bottom plate (12) is fixedly connected with a fixed plate (14) for positioning, and the upper end of the fixed plate (14) is inserted with a pin for positioning.

6. The support structure for installing a steel arch frame of a tunnel excavated by a tunneling method according to claim 1, wherein: The upper end of the adjusting column (2) is fixedly connected with a side plate (15) for positioning, and the upper end of the side plate (15) is inserted with a threaded head for fixing.

7. The support structure for installing a steel arch frame for a tunneling work according to claim 1, wherein: The side surface of the disc (5) is inserted with a screw (16) for fixing, and the screw (16) penetrates the side surface of the disc (5) and is threadedly connected with the side surface of the arch support (4).

8. The support structure for installing a steel arch frame for a tunneling work according to claim 1, wherein: One end of the lead screw (7) is fixedly connected with a fixed disc (17) for connection, and the side surface of the fixed disc (17) is inserted with a positioning pin.

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