阅读说明：本技术 一种控制地铁盾构隧道变形的结构体系及其施工方法 (Structural system for controlling deformation of subway shield tunnel and construction method thereof ) 是由 温晓虎 赵驰 叶毓 姜运根 赵敬川 高建强 王苗 于 2021-09-14 设计创作，主要内容包括：本发明公开了一种控制地铁盾构隧道变形的结构体系及其施工方法,包括移动板,移动板的顶部固定连接有支撑柱,支撑柱的顶部固定连接有固定板,固定板的底部固定连接有电机,固定板的顶部固定连接有第一固定杆,第一固定杆的内部滑动连接有第一伸缩杆,第一伸缩杆的顶部固定连接有第一支撑板,第一伸缩杆的内部螺纹连接有丝杆,丝杆与电机的输出端固定连接；本发明所达到的有益效果是：能够对隧道的顶部与侧面进行同时支撑,有效防止隧道变形,同时操作简单快捷,有效提高了工作效率,能够对装置的固定性进行加强,能够对第一支撑板移动时的平稳性进行提升,能够对第二支撑板移动的平稳性进行提升。(The invention discloses a structural system for controlling deformation of a subway shield tunnel and a construction method thereof, wherein the structural system comprises a movable plate, the top of the movable plate is fixedly connected with a support column, the top of the support column is fixedly connected with a fixed plate, the bottom of the fixed plate is fixedly connected with a motor, the top of the fixed plate is fixedly connected with a first fixed rod, the interior of the first fixed rod is slidably connected with a first telescopic rod, the top of the first telescopic rod is fixedly connected with a first support plate, the interior of the first telescopic rod is in threaded connection with a screw rod, and the screw rod is fixedly connected with the output end of the motor; the invention has the following beneficial effects: can support simultaneously the top and the side in tunnel, effectively prevent the tunnel deformation, easy operation is swift simultaneously, has effectively improved work efficiency, can strengthen the fixity of device, and the stationarity when can removing first backup pad promotes, can promote the stationarity that the second backup pad removed.)

1. A structural system for controlling deformation of a subway shield tunnel and a construction method thereof comprise a movable plate (1), and are characterized in that: the top fixedly connected with support column (2) of movable plate (1), the top fixedly connected with fixed plate (3) of support column (2), the bottom fixedly connected with motor (4) of fixed plate (3), the first dead lever (5) of top fixedly connected with of fixed plate (3), the inside sliding connection of first dead lever (5) has first telescopic link (6), the first backup pad (7) of top fixedly connected with of first telescopic link (6), the inside threaded connection of first telescopic link (6) has lead screw (8), the output fixed connection of lead screw (8) and motor (4), the top of fixed plate (3) and the corresponding both sides limit that is located first dead lever (5) all are equipped with side supporting mechanism (9).

2. The structural system for controlling the deformation of the subway shield tunnel and the construction method thereof according to claim 1, wherein: side supporting mechanism (9) include slide bar (10), slide bar (10) and first telescopic link (6) fixed connection, the outside sliding connection of slide bar (10) has slider (11), the middle part of slider (11) and the one side sliding connection that is located slide bar (10) have second dead lever (12), second dead lever (12) and first dead lever (5) fixed connection, the outside sliding connection of second dead lever (12) has second telescopic link (13), second telescopic link (13) and slider (11) fixed connection, the outside fixed connection of second telescopic link (13) has second backup pad (14).

3. The structural system for controlling the deformation of the subway shield tunnel and the construction method thereof according to claim 1, wherein: the utility model discloses a fixing device for supporting rod, including first dead lever (5), the below fixedly connected with horizontal board (15) that just is located first backup pad (7) on the corresponding both sides limit of first dead lever (5), the top fixedly connected with guide post (16) of horizontal board (15), the inside sliding connection of guide post (16) has guide bar (17), guide bar (17) and first backup pad (7) fixed connection.

4. The structural system for controlling deformation of the subway shield tunnel and the construction method thereof according to claim 2, wherein: the outside sliding connection of second telescopic link (13) has sleeve pipe (18), the vertical board of bottom fixedly connected with (19) of sleeve pipe (18), vertical board (19) and fixed plate (3) fixed connection, the inside sliding connection of vertical board (19) has guide block (20), guide block (20) and slide bar (10) fixed connection, the outside of slide bar (10) just is located and is equipped with spring (21) between guide block (20) and slider (11).

5. The structural system for controlling the deformation of the subway shield tunnel and the construction method thereof according to claim 1, wherein: the top of movable plate (1) just is located corresponding equal fixedly connected with pneumatic cylinder (22) in both sides limit of motor (4), the output fixedly connected with third backup pad (23) of pneumatic cylinder (22), the bottom of movable plate (1) just is located the equal fixedly connected with in both sides limit of correspondence of third backup pad (23) and removes wheel (24).

6. The structural system for controlling deformation of the subway shield tunnel and the construction method thereof according to claim 5, wherein: the outside fixedly connected with control panel (25) of first dead lever (5), motor (4), pneumatic cylinder (22) all with control panel (25) electric connection.

7. The structural system for controlling deformation of the subway shield tunnel and the construction method thereof according to claim 5, wherein: the outer parts of the first supporting plate (7) and the second supporting plate (14) are fixedly connected with a first rubber pad (26), and the bottom of the third supporting plate (23) is fixedly connected with a second rubber pad (27).

8. The structural system for controlling deformation of the subway shield tunnel and the construction method thereof according to claim 2, wherein: and reinforcing ribs (28) are fixedly connected between the fixing plate (3) and the second fixing rod (12).

9. The structural system for controlling deformation of a subway shield tunnel and the construction method thereof according to any one of claims 1 to 8, wherein: the method comprises the following steps:

the method comprises the following steps: the device is moved to a designated position in a tunnel through a moving wheel (24) at the bottom of the moving plate (1), a hydraulic cylinder (22) is started through a control panel (25) outside the first fixed rod (5), so that the hydraulic cylinder (22) drives a third supporting plate (23) below the moving plate (1) to move downwards until the third supporting plate (23) is abutted against the ground, and a second rubber pad (27) arranged at the bottom of the third supporting plate (23) is used for increasing the friction force between the third supporting plate (23) and the ground so that the device is more stable;

step two: the motor (4) at the bottom of the fixed plate (3) is started, so that the motor (4) drives the screw rod (8) to rotate, as the first fixed rod (5) and the first telescopic rod (6) are both square structures, the first telescopic rod (6) drives the first supporting plate (7) to move upwards until the first supporting plate (7) is tightly propped against the top of the tunnel, thereby supporting the top of the tunnel and preventing the top of the tunnel from deforming, the first rubber pad (26) arranged at the top of the first supporting plate (7) can increase the friction force between the first supporting plate (7) and the top of the tunnel, so that the first supporting plate (7) and the top of the tunnel are firmer, in the process, the first supporting plate (7) drives the guide rod (17) to move upwards simultaneously, under the action of the guide columns (16), the stability of the first supporting plate (7) during lifting can be improved;

step three: the first telescopic rod (6) drives the sliding rods (10) at the two sides to move upwards in the process of moving upwards, under the action of the second fixing rod (12), the second telescopic rod (13) and the second supporting plate (14) are driven by the slide block (11) to move towards the direction close to the side surface of the tunnel until the second supporting plate (14) is pressed against the side surface of the tunnel, thereby supporting the side of the tunnel and preventing the side of the tunnel from deforming, the first rubber pad (26) positioned outside the second supporting plate (14) plays the role of increasing the friction force between the second supporting plate (14) and the side of the tunnel, so that the stability between the second supporting plate (14) and the side of the tunnel is greatly improved, meanwhile, under the action of the sleeve (18), the stability of the second telescopic rod (13) during movement can be effectively enhanced, meanwhile, the guide block (20) can improve the moving stability of the sliding rod (10).

Technical Field

The invention relates to the technical field of tunnel construction, in particular to a structural system for controlling deformation of a subway shield tunnel and a construction method thereof.

Background

The shield method is a fully mechanical construction method in the construction of the subsurface excavation method, which is a mechanical construction method for pushing a shield machine in the ground, preventing collapse into a tunnel by using a shield shell and duct pieces to support surrounding rocks around, excavating a soil body in front of an excavation surface by using a cutting device, transporting out of the tunnel by using an unearthing machine, pressing and jacking at the rear part by using a jack, and assembling precast concrete duct pieces to form a tunnel structure.

In shield tunnel work progress, because the reason of each side, the condition of deformation often can appear in the tunnel inside, in order to prevent that the tunnel from warping, ensures the intensity in tunnel, often needs to support the tunnel, and the structure that control tunnel warp that has now is mostly formed by the scaffold, and the operation is all too loaded down with trivial details when buildding and dismantling, and is inefficient, has influenced the construction progress greatly.

Disclosure of Invention

The invention aims to provide a structural system for controlling deformation of a subway shield tunnel and a construction method thereof, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a structural system and construction method that control subway shield tunnel warp, includes the movable plate, the top fixedly connected with support column of movable plate, the top fixedly connected with fixed plate of support column, the bottom fixedly connected with motor of fixed plate, the first dead lever of top fixedly connected with of fixed plate, the inside sliding connection of first dead lever has first telescopic link, the first backup pad of top fixedly connected with of first telescopic link, the inside threaded connection of first telescopic link has the lead screw, the output fixed connection of lead screw and motor, the top of fixed plate and the corresponding both sides limit that is located first dead lever all are equipped with side supporting mechanism.

Preferably, the side supporting mechanism comprises a slide bar, the slide bar is fixedly connected with a first telescopic rod, the outer sliding connection of the slide bar is provided with a slide block, the middle part of the slide block is provided with a second fixed rod, the side sliding connection of the slide bar is provided with a second fixed rod, the second fixed rod is fixedly connected with the first fixed rod, the outer sliding connection of the second fixed rod is provided with a second telescopic rod, the second telescopic rod is fixedly connected with the slide block, and the outer fixing of the second telescopic rod is provided with a second supporting plate.

Preferably, the corresponding both sides limit of first dead lever just is located the below fixedly connected with horizontal board of first backup pad, the top fixedly connected with guide post of horizontal board, the inside sliding connection of guide post has the guide bar, guide bar and first backup pad fixed connection.

Preferably, the outside sliding connection of second telescopic link has the sleeve pipe, the vertical board of sheathed tube bottom fixedly connected with, vertical board and fixed plate fixed connection, the inside sliding connection of vertical board has the guide block, guide block and slide bar fixed connection, the outside of slide bar just is located and is equipped with the spring between guide block and the slider.

Preferably, the top of movable plate just is located the equal fixedly connected with pneumatic cylinder in the corresponding both sides limit of motor, the output fixedly connected with third backup pad of pneumatic cylinder, the bottom of movable plate just is located the equal fixedly connected with in the corresponding both sides limit of third backup pad and removes the wheel.

Preferably, the outside fixedly connected with control panel of first dead lever, motor, pneumatic cylinder all with control panel electric connection.

Preferably, the first supporting plate and the second supporting plate are fixedly connected with a first rubber pad at the outer part, and the third supporting plate is fixedly connected with a second rubber pad at the bottom.

Preferably, a reinforcing rib is fixedly connected between the fixing plate and the second fixing rod.

A construction method of a structural system for controlling deformation of a subway shield tunnel comprises the following steps:

the method comprises the following steps: the device is moved to a designated position in a tunnel through a moving wheel at the bottom of the moving plate, the hydraulic cylinder is started through a control panel outside the first fixed rod, the hydraulic cylinder drives a third supporting plate below the moving plate to move downwards until the third supporting plate is tightly abutted against the ground, and a second rubber pad arranged at the bottom of the third supporting plate is used for increasing the friction force between the third supporting plate and the ground so that the device is more stable;

step two: the motor at the bottom of the fixing plate is started, so that the motor drives the screw rod to rotate, the first fixing rod and the first telescopic rod are both of a square structure, the first telescopic rod drives the first supporting plate to move upwards until the first supporting plate abuts against the top of the tunnel, the top of the tunnel is supported, the top of the tunnel is prevented from deforming, the first rubber pad arranged at the top of the first supporting plate can increase the friction force between the first supporting plate and the top of the tunnel, the first supporting plate and the top of the tunnel are firmer, in the process, the first supporting plate drives the guide rod to move upwards simultaneously, and under the action of the guide columns, the stability of the first supporting plate during ascending can be improved;

step three: in-process of first telescopic link rebound, the slide bar rebound of drive both sides, under the effect of second dead lever, drive second telescopic link and second backup pad through the slider and to the direction removal that is close to the tunnel side, it is tight to offset with the tunnel side until the second backup pad, thereby support the tunnel side, prevent that the tunnel side from appearing warping, be located the outside first rubber pad of second backup pad, play the purpose that increases the frictional force between second backup pad and the tunnel side, make the steadiness between second backup pad and the tunnel side promote greatly, simultaneously under sheathed tube effect, the stationarity when can effectively strengthen the second telescopic link removal, the guide block can promote the stationarity that the slide bar removed simultaneously.

The invention has the following beneficial effects: through the motor that sets up, first dead lever, first telescopic link, first backup pad, the lead screw, the slide bar, the slider, the second dead lever, second telescopic link and second backup pad, can realize supporting simultaneously the top and the side in tunnel, effectively prevent tunnel deformation, easy operation is swift simultaneously, work efficiency has effectively been improved, hydraulic stem and third backup pad through setting up, can realize strengthening the fixity of device, cross plate through setting up, guide post and guide bar, the stationarity when can realizing removing first backup pad promotes, sleeve pipe through setting up, vertical board and guide block, can realize promoting the stationarity that the second backup pad removed.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

fig. 3 is a schematic structural diagram of the novel slider.

In the figure: 1. moving the plate; 2. a support pillar; 3. a fixing plate; 4. a motor; 5. a first fixing lever; 6. a first telescopic rod; 7. a first support plate; 8. a screw rod; 9. a side support mechanism; 10. a slide bar; 11. a slider; 12. a second fixing bar; 13. a second telescopic rod; 14. a second support plate; 15. a transverse plate; 16. a guide post; 17. a guide bar; 18. a sleeve; 19. a longitudinal plate; 20. a guide block; 21. a spring; 22. a hydraulic cylinder; 23. a third support plate; 24. a moving wheel; 25. a control panel; 26. a first rubber pad; 27. a second rubber pad; 28. and (5) reinforcing ribs.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

the utility model provides a structural system and construction method that control subway shield tunnel warp, including movable plate 1, the top fixedly connected with support column 2 of movable plate 1, the top fixedly connected with fixed plate 3 of support column 2, the bottom fixedly connected with motor 4 of fixed plate 3, the top fixedly connected with first dead lever 5 of fixed plate 3, the inside sliding connection of first dead lever 5 has first telescopic link 6, the top fixedly connected with first backup pad 7 of first telescopic link 6, the inside threaded connection of first telescopic link 6 has lead screw 8, lead screw 8 and motor 4's output fixed connection, the top of fixed plate 3 just is located the corresponding both sides limit of first dead lever 5 and all is equipped with side supporting mechanism 9.

Further, the side supporting mechanism 9 comprises a sliding rod 10, the sliding rod 10 is fixedly connected with the first telescopic rod 6, the outer portion of the sliding rod 10 is connected with a sliding block 11 in a sliding mode, the middle portion of the sliding block 11 is connected with a second fixing rod 12 in a sliding mode, one side of the sliding block 10 is located on the second fixing rod 12, the second fixing rod 12 is fixedly connected with the first fixing rod 5, the outer portion of the second fixing rod 12 is connected with a second telescopic rod 13 in a sliding mode, the second telescopic rod 13 is fixedly connected with the sliding block 11, and the outer portion of the second telescopic rod 13 is fixedly connected with a second supporting plate 14.

Further, the corresponding both sides limit of first dead lever 5 just is located the below fixedly connected with horizontal plate 15 of first backup pad 7, and the top fixedly connected with guide post 16 of horizontal plate 15, the inside sliding connection of guide post 16 has guide bar 17, guide bar 17 and first backup pad 7 fixed connection.

Further, a sleeve 18 is slidably connected to the outside of the second telescopic rod 13, a longitudinal plate 19 is fixedly connected to the bottom of the sleeve 18, the longitudinal plate 19 is fixedly connected to the fixed plate 3, a guide block 20 is slidably connected to the inside of the longitudinal plate 19, the guide block 20 is fixedly connected to the slide rod 10, and a spring 21 is sleeved outside the slide rod 10 and between the guide block 20 and the slide block 11.

Further, the top of the moving plate 1 is fixedly connected with hydraulic cylinders 22 on two corresponding sides of the motor 4, the output end of the hydraulic cylinders 22 is fixedly connected with a third support plate 23, and the bottom of the moving plate 1 is fixedly connected with moving wheels 24 on two corresponding sides of the third support plate 23.

Further, the outside of the first fixing rod 5 is fixedly connected with a control panel 25, and the motor 4 and the hydraulic cylinder 22 are both electrically connected with the control panel 25.

Further, a first rubber pad 26 is fixedly connected to the outer portions of the first support plate 7 and the second support plate 14, and a second rubber pad 27 is fixedly connected to the bottom of the third support plate 23.

Further, a reinforcing rib 28 is fixedly connected between the fixing plate 3 and the second fixing rod 12.

A construction method of a structural system for controlling deformation of a subway shield tunnel comprises the following steps:

the method comprises the following steps: the device is moved to a designated position in a tunnel through a moving wheel 24 at the bottom of the moving plate 1, a hydraulic cylinder 22 is started through a control panel 25 outside the first fixed rod 5, so that the hydraulic cylinder 22 drives a third supporting plate 23 below the moving plate 1 to move downwards until the third supporting plate 23 is tightly abutted to the ground, and a second rubber pad 27 arranged at the bottom of the third supporting plate 23 is used for increasing the friction force between the third supporting plate 23 and the ground so as to enable the device to be more stable;

step two: starting a motor 4 at the bottom of a fixed plate 3, enabling the motor 4 to drive a screw rod 8 to rotate, wherein a first fixed rod 5 and a first telescopic rod 6 are both of a square structure, enabling the first telescopic rod 6 to drive a first supporting plate 7 to move upwards until the first supporting plate 7 abuts against the top of a tunnel, so that the top of the tunnel is supported, and deformation of the top of the tunnel is prevented;

step three: in the process of the upward movement of the first telescopic rod 6, the slide rods 10 on two sides are driven to move upwards, under the action of the second fixing rod 12, the second telescopic rod 13 and the second support plate 14 are driven to move towards the direction close to the side face of the tunnel through the sliding block 11 until the second support plate 14 abuts against the side face of the tunnel, the side face of the tunnel is supported, deformation of the side face of the tunnel is prevented, the first rubber pad 26 located outside the second support plate 14 plays a role in increasing the friction force between the second support plate 14 and the side face of the tunnel, the stability between the second support plate 14 and the side face of the tunnel is greatly improved, meanwhile, under the action of the sleeve 18, the stability when the second telescopic rod 13 moves can be effectively enhanced, and meanwhile, the guide block 20 can improve the stability of the movement of the slide rods 10.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.