Supporting structure for civil construction and maintenance of subway

Abstract

The utility model relates to the technical field of subway civil construction and maintenance, and discloses a subway civil construction and maintenance supporting structure which comprises an arc-shaped supporting plate, four telescopic mechanisms are fixedly connected to the inner wall of the arc-shaped supporting plate, and two supporting mechanisms are installed in the middle of the inner wall of the arc-shaped supporting plate. The telescopic mechanism comprises four hydraulic cylinders fixedly connected to the inner wall of the arc-shaped supporting plate. According to the supporting structure for civil construction and maintenance of the subway, through arrangement of the telescopic mechanism, when the supporting structure is used, four hydraulic cylinders on the inner wall of an arc-shaped supporting plate can be started according to the size of a site, and the hydraulic cylinders drive internal hydraulic rods to stretch out and draw back; and an extension plate at the tail end of the hydraulic rod moves in a cavity formed in the arc-shaped supporting plate, so that the size of the protection area is adjusted, the effect of adjusting according to actual requirements is achieved, and the flexible performance and the maintenance efficiency of the equipment in the using process are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to subway civil construction and maintenance technical field especially, relate to a kind of support structure for subway civil construction and maintenance. BACKGROUND

[0002] In the era of rapid urbanization, the number of urban population is growing rapidly, and the traffic congestion problem is becoming more and more serious. Subway, with its large capacity, high efficiency, low pollution and other advantages, has become the core force to solve the urban traffic problem. Cities around the world have invested heavily in subway construction, with new lines being planned and constructed, and existing lines being continuously extended and upgraded. With the increasing size of the subway network, the scale and frequency of civil construction and routine maintenance work have also increased significantly. Whether it is the excavation and construction of new stations, the expansion of tunnels, or the regular maintenance of existing facilities and emergency repair of sudden failures, a large number of reliable support structures are needed to ensure construction safety and engineering quality. This puts higher requirements on the performance, adaptability and convenience of support structures.

[0003] Maintenance work during subway operation involves multiple aspects, including tunnel lining repair, track foundation reinforcement, station structure maintenance, etc. Different maintenance scenarios have different requirements for support structures, such as maintenance at different positions in the tunnel. Due to changes in tunnel cross-sectional size, differences in maintenance site height, and other factors, support structures need to be flexible and adaptable to these changes. The length adjustment mechanism allows the support structure to quickly adjust to the appropriate length according to the specific maintenance scenario requirements, providing stable and reliable support for maintenance work, improving maintenance efficiency and quality. SUMMARY

[0004] (I) Technical problem solved

[0005] The utility model aims to provide a kind of support structure for subway civil construction and maintenance, to solve the problem that different maintenance scenarios have different requirements for support structures, such as maintenance at different positions in the tunnel. Due to changes in tunnel cross-sectional size, differences in maintenance site height, and other factors, support structures need to be flexible and adaptable to these changes.

[0006] (II) Technical solution

[0007] In order to achieve the above object, the utility model discloses a support structure for subway civil construction and maintenance, including arc support board, four telescopic mechanisms are fixedly connected to the inner wall of arc support board, two support mechanisms are installed in the middle of the inner wall of arc support board, the telescopic mechanism includes four hydraulic cylinders fixedly connected to the inner wall of arc support board, the output end of hydraulic cylinder is slidably connected with hydraulic rod, and the tail end of hydraulic rod is fixedly connected with connecting block.

[0008] As a further scheme of the utility model, the arc support board is internally provided with a cavity, and an extension plate is slidably connected in the cavity. The extension plate improves the protection range.

[0009] As a further scheme of the utility model, the connecting block is installed on the surface of the extension plate, and the number of connecting blocks is four. The connecting blocks support the hydraulic rod.

[0010] As a further scheme of the utility model, a plurality of threaded holes are formed in the surface of the telescopic rod, and a threaded column is screw-connected in the threaded hole. The threaded column fixes the telescopic rod.

[0011] As a further scheme of the utility model, the support mechanism is installed on the inner wall of the extension plate, and a plurality of reinforcing ribs are installed on the surface of the arc support board. The reinforcing ribs increase the structural stability.

[0012] As a further scheme of the utility model, a universal wheel is fixedly connected to the bottom of the arc support board, and a brake pad is installed on the bottom of the universal wheel. The brake pad brakes.

[0013] As a further scheme of the utility model, a lighting lamp is installed on the inner top of the arc support board, a storage battery is electrically connected to one side of the lighting lamp through a power line, and a switch is electrically connected to one side of the lighting lamp through a power line. The storage battery continuously supplies power.

[0014] (Three) beneficial effects

[0015] The utility model provides a support structure for subway civil construction and maintenance, and has the following beneficial effects:

[0016] 1. The supporting structure for subway civil construction and maintenance, through the setting of the telescopic mechanism, when in use, according to the size of the site, the four hydraulic cylinders in the inner wall of the arc-shaped supporting plate can be started, the hydraulic cylinders drive the internal hydraulic rods to extend and retract, and the extension plates at the ends of the hydraulic rods move inside the cavity arranged in the arc-shaped supporting plate, the size of the protection area is adjusted, so that the actual demand is adjusted, and the flexibility and maintenance efficiency of the equipment in the use process are improved.

[0017] 2. The supporting structure for subway civil construction and maintenance, through the setting of the supporting mechanism, when in use, the equipment is easy to deviate or loosen under external force, therefore, fixed rods and telescopic rods are arranged in the arc-shaped supporting plate and the extension plate, after the telescopic rods are adjusted to the appropriate length, the fixed rods are fixed by using threaded columns, and then the connecting plates connected at the ends of the telescopic rods are tightly attached to the ground, and the positioning bolts are penetrated through the ground, so that the arc-shaped supporting plate and the extension plate are fixed, the stability of the arc-shaped supporting plate and the extension plate during use is improved, and safety accidents caused by the instability of the supporting structure during construction or maintenance are avoided. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Fig. 2 It is a schematic diagram of the arc-shaped supporting plate structure of the utility model;

[0020] Fig. 3 It is a schematic diagram of the supporting mechanism structure of the utility model;

[0021] Fig. 4 It is a schematic diagram of the telescopic mechanism structure of the utility model.

[0022] In the drawing: 1, arc-shaped supporting plate; 2, telescopic mechanism; 201, hydraulic cylinder; 202, hydraulic rod; 203, connecting block; 3, supporting mechanism; 301, fixed joint; 302, fixed rod; 303, telescopic rod; 304, connecting plate; 305, positioning bolt; 4, extension plate; 5, threaded column; 6, reinforcing rib; 7, universal wheel; 8, illuminating lamp; 9, storage battery; 10, switch. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with 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 belong to the protection scope of the utility model.

[0024] Please refer to Figs. 1 to 4The utility model provides a technical scheme: a support structure for subway civil construction and maintenance, including arc support board 1, four telescopic mechanisms 2 are fixedly connected to the inner wall of arc support board 1, reach the effect of adjustment according to actual demand through the setting of telescopic mechanism 2, improve the flexible performance and maintenance efficiency of equipment in the use process, the inner wall middle part of arc support board 1 is installed with two support mechanisms 3, through the setting of support mechanism 3, avoid the accident of instability of support structure during construction or maintenance,

[0025] Telescopic mechanism 2 includes four hydraulic cylinders 201 fixedly connected to the inner wall of arc support board 1, the output end of hydraulic cylinder 201 is slidably connected with hydraulic rod 202, and the tail end of hydraulic rod 202 is fixedly connected with connecting block 203;

[0026] Support mechanism 3 includes two fixed joints 301 installed in the middle part of the inner wall of arc support board 1, a fixed rod 302 is rotatably connected to the surface of fixed joint 301, a telescopic rod 303 is slidably connected to the inside of fixed rod 302, a connecting plate 304 is rotatably connected to the bottom of telescopic rod 303, and a positioning bolt 305 is installed at the bottom of connecting plate 304;

[0027] A cavity is formed in the inside of arc support board 1, and an extension plate 4 is slidably connected in the inside of the cavity, and the extension plate 4 is provided to improve the protection range;

[0028] Connecting block 203 is installed on the surface of extension plate 4, the number of connecting block 203 is four, and connecting block 203 is provided to support hydraulic rod 202;

[0029] A plurality of threaded holes are formed in the surface of telescopic rod 303, and a threaded column 5 is screwedly connected in the threaded hole, and the threaded column 5 is provided to fix telescopic rod 303;

[0030] Support mechanism 3 is installed on the inner wall of extension plate 4, a plurality of reinforcing ribs 6 are installed on the surface of arc support board 1, and the reinforcing ribs 6 are provided to increase the structural stability;

[0031] A universal wheel 7 is fixedly connected to the bottom of arc support board 1, a brake pad is installed at the bottom of universal wheel 7, and the brake pad is provided to brake;

[0032] A lighting lamp 8 is installed on the inner top of arc support board 1, a storage battery 9 is electrically connected to one side of lighting lamp 8 through power line, and a switch 10 is electrically connected to one side of lighting lamp 8 through power line, and the storage battery 9 is provided to continuously power.

[0033] In the utility model, the working steps of the device are as follows:

[0034] The first step: in use, according to the size of the site, four hydraulic cylinders 201 in the inner wall of the arc-shaped support plate 1 can be started, the hydraulic cylinders 201 drive the hydraulic rods 202 inside to extend and retract, and the extension plates 4 at the ends of the hydraulic rods 202 move inside the cavity provided in the arc-shaped support plate 1, so that the size of the protection area is adjusted;

[0035] The second step: in use, the device is easy to deviate or loosen under external force, therefore, fixed rods 302 and telescopic rods 303 are arranged in the arc-shaped support plate 1 and the extension plate 4, after the telescopic rods 303 are adjusted to the appropriate length, the fixed rods 302 are fixed by using the threaded columns 5, then the connecting plates 304 connected at the ends of the telescopic rods 303 are tightly attached to the ground, and the positioning bolts 305 are penetrated through the ground, so that the arc-shaped support plate 1 and the extension plate 4 are fixed, and the stability of the arc-shaped support plate 1 and the extension plate 4 in use is improved.

[0036] It should be noted that the device structure and the drawings of the utility model mainly describe the principle of the utility model, and the setting of the power mechanism, the power supply system and the control system of the device is not completely described in the technical principle of the design, and under the premise that the above-mentioned principle of the utility model is understood by the person skilled in the art, the specific power mechanism, power supply system and control system can be clearly known, and the control mode of the application file is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the person skilled in the art;

[0037] The standard parts used can be purchased from the market, and can be ordered according to the description and drawings, and the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the mechanical parts and equipment adopt the conventional type in the prior art, and the components known by the person skilled in the art, and the structure and principle thereof can be known by the person skilled in the art through technical manual or through conventional experimental method.

[0038] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principle and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A support structure for subway civil engineering construction and maintenance, comprising an arc-shaped support plate (1), characterized in that: The inner wall of the arc-shaped support plate (1) is fixedly connected with four telescopic mechanisms (2), and the middle part of the inner wall of the arc-shaped support plate (1) is provided with two support mechanisms (3), The telescopic mechanism (2) comprises four hydraulic cylinders (201) fixedly connected to the inner wall of the arc-shaped support plate (1), the output end of the hydraulic cylinder (201) is slidably connected with a hydraulic rod (202), and the tail end of the hydraulic rod (202) is fixedly connected with a connecting block (203); The support mechanism (3) comprises two fixed joints (301) installed in the middle part of the inner wall of the arc-shaped support plate (1), the surface of the fixed joint (301) is rotatably connected with a fixed rod (302), the inside of the fixed rod (302) is slidably connected with an extension rod (303), the bottom of the extension rod (303) is rotatably connected with a connecting plate (304), and the bottom of the connecting plate (304) is provided with a positioning bolt (305).

2. The support structure for subway civil construction and maintenance according to claim 1, characterized in that: The inside of the arc-shaped support plate (1) is provided with a cavity, and the inside of the cavity is slidably connected with an extension plate (4).

3. The support structure for subway civil construction and maintenance according to claim 1, characterized in that: The connecting block (203) is installed on the surface of the extension plate (4), and the number of the connecting block (203) is four.

4. The support structure for subway civil construction and maintenance according to claim 1, characterized in that: The surface of the extension rod (303) is provided with a plurality of threaded holes, and the inside of the threaded hole is threadedly connected with a threaded column (5).

5. The support structure for subway civil construction and maintenance according to claim 1, characterized in that: The support mechanism (3) is installed on the inner wall of the extension plate (4), and the surface of the arc-shaped support plate (1) is provided with a plurality of reinforcing ribs (6).

6. The support structure for subway civil construction and maintenance according to claim 1, characterized in that: The bottom of the arc-shaped support plate (1) is fixedly connected with a universal wheel (7), and the bottom of the universal wheel (7) is provided with a brake pad.

7. The support structure for subway civil construction and maintenance according to claim 1, characterized in that: The inner top of the arc-shaped support plate (1) is provided with a lighting lamp (8), one side of the lighting lamp (8) is electrically connected with a storage battery (9) through a power line, and one side of the lighting lamp (8) is electrically connected with a switch (10) through a power line.

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