CN217872874U

CN217872874U - Tunnel construction extra-front supporting sheath arch structure

Info

Publication number: CN217872874U
Application number: CN202221873919.8U
Authority: CN
Inventors: 孟凡发
Original assignee: Hubei Transportation Investment Construction Group Co ltd
Current assignee: Hubei Transportation Investment Construction Group Co ltd
Priority date: 2022-07-20
Filing date: 2022-07-20
Publication date: 2022-11-22
Anticipated expiration: 2032-07-20

Abstract

The application provides a tunnel construction extra-front supporting sleeve arch structure, and belongs to the technical field of tunnel construction. The tunnel construction extra-front supporting sheath arch structure comprises an adjusting support assembly and a supporting assembly. The bottom end of the adjusting leg is connected in the mounting base in a rolling mode, the top plate is fixed above the adjusting leg, and the positioning rod is in threaded connection with the adjusting leg. The backup pad is fixed the top of roof, first hunch body with the both ends of second hunch body respectively with the backup pad is connected, first hunch body sets up the outside that the second encircles the body, consolidate the one end of connecting piece with the second encircles the body coupling, consolidate the other end of connecting piece with the backup pad is connected. The protective effect of the supporting device is improved, the supporting device can move in the tunnel conveniently, the height of the supporting device can be adjusted conveniently, and the applicability of the device is improved.

Description

Tunnel construction extra-front supporting sheath arch structure

Technical Field

The application relates to the field of tunnel construction, in particular to an extra-front supporting sheath arch structure for tunnel construction.

Background

Tunnel construction generally refers to excavating a channel in a mountain or underground, and in tunnel construction, in order to avoid collapse at the top of a tunnel and injury to people, support devices are generally used for supporting and protecting. However, the top of the existing supporting device cannot be well adapted to the top of the tunnel, so that the protection effect of the device is reduced, and meanwhile, the existing supporting device is not convenient to move in the tunnel and adjust the height of the supporting device, so that tunnels at different places and different heights in the tunnel cannot be supported, the applicability of the device is reduced, and how to invent the super front supporting sheath arch structure for tunnel construction to improve the problems becomes a problem to be solved at present.

SUMMERY OF THE UTILITY MODEL

In order to compensate above not enough, this application provides a tunnel construction is preceding sheath arch structure excessively, and it is relatively poor to aim at improving current strutting arrangement's protecting effect, and current strutting arrangement is not convenient for remove in the tunnel also be convenient for highly adjusting strutting arrangement simultaneously, has reduced the problem of device suitability.

The embodiment of the application provides a tunnel construction extra-front supporting sheath arch structure which comprises an adjusting support assembly and a supporting assembly.

The adjusting and supporting assembly comprises an installation base, adjusting legs, an electric push rod, a top plate and a positioning rod, the bottom end of each adjusting leg is connected in the installation base in a rolling mode, the electric push rod is connected to one side of each adjusting leg, the output end of the electric push rod is connected with the adjusting legs in a sliding mode, the top plate is fixed above the adjusting legs, and the positioning rod is connected with the adjusting legs in a threaded mode.

Support the subassembly and include backup pad, first hunch body, second hunch body, support connection post and reinforcement connecting piece, the backup pad is fixed the top of roof, first hunch body with the second hunch body both ends respectively with the backup pad is connected, first hunch body sets up the outside of second hunch body, the support connection post is connected first hunch body with between the second hunch body, the one end of reinforcement connecting piece with the second hunch body is connected, the other end of reinforcement connecting piece with the backup pad is connected.

In the implementation process, the installation base is connected with the installation base through the external bolt, so that the installation base is fixed at the position in the tunnel, and the device can be moved in the tunnel conveniently by mutually matching the adjusting legs and the installation base. The electric push rod is started to drive the adjusting leg to move, so that the length of the adjusting leg is adjusted. Thereby be favorable to highly adjusting the position of first hunch body and second hunch body, first hunch body and second hunch body are favorable to suiting with the shape in tunnel, are favorable to improving the protective effect of device to the inside top in tunnel, set up the brace column and be favorable to improving the joint strength between first hunch body and the second hunch body, it is favorable to providing the support to first hunch body and second hunch body to consolidate the connecting piece through setting up, thereby be favorable to further improving the protective effect of device. The protective effect of the supporting device is improved, the supporting device can move in the tunnel conveniently, the height of the supporting device can be adjusted conveniently, and the applicability of the device is improved.

In a specific embodiment, the mounting base comprises a shell and mounting blocks, and the mounting blocks are fixed on two outer sides of the shell.

In the implementation process, the shell is connected with the mounting block through the external bolt, so that the position of the shell in the tunnel is fixed.

In a specific embodiment, the adjustment leg includes a first leg body and a second leg body, the second leg body being slidably connected over the first leg body.

In the implementation process, the first leg body is connected with the second leg body in a sliding mode, so that the distance between the first leg body and the second leg body can be adjusted conveniently.

In a specific embodiment, a moving wheel is connected to the bottom of the first leg, and the moving wheel is disposed within the housing.

In the above-mentioned realization process, remove the wheel through the setting and be favorable to removing the device, through removing mutually supporting between wheel and the casing, the device of being convenient for removes in the tunnel.

In a specific embodiment, a connecting block is connected to the second leg body, and an output end of the electric push rod is connected to the connecting block.

In the implementation process, the electric push rod is started to drive the connecting block to move, so that the second leg body moves relative to the first leg body, and the length of the adjusting leg is adjusted.

In a specific embodiment, a backing plate is connected to the first leg body, and the electric push rod is fixed above the backing plate.

In the implementation process, the base plate is arranged to support the lower part of the electric push rod, and the fixing effect of the electric push rod is improved.

In a particular embodiment, a reinforcing connecting bar is connected to the first leg body, the reinforcing connecting bar being connected between the first leg body and the first leg body.

In the implementation process, the reinforcing connecting rods are arranged to be beneficial to connecting the adjusting legs mutually, and the structural strength of the device is improved.

In a specific embodiment, a connecting hole is formed in the first leg body, and the positioning rod is connected in the connecting hole in a threaded manner.

In the implementation process, the connecting holes are formed, so that the positioning rods are connected with the adjusting legs conveniently, and the positioning rods are fixed in the tunnel, so that the device is fixed conveniently.

In a specific embodiment, a reinforcing rib is connected in the second arch body, and the length of the reinforcing rib is the same as that of the second arch body.

In the implementation process, the reinforcing ribs are arranged to improve the structural strength of the second arch body, so that the protection effect of the device is improved.

In a specific embodiment, the reinforcing connecting piece comprises a positioning block and a connecting plate, the positioning block is fixed below the second arch body, one end of the connecting plate is connected with the positioning block, and the other end of the connecting plate is connected with the supporting plate.

In the above-mentioned realization process, be favorable to providing the support to first hunch body and second hunch body through setting up locating piece and connecting plate to be favorable to further improving the protective effect of device.

Drawings

In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.

FIG. 1 is a schematic diagram of an arch structure of an extra-front supporting sheath for tunnel construction according to an embodiment of the present application;

FIG. 2 is a schematic structural view of an adjustment support assembly provided in accordance with an embodiment of the present disclosure;

figure 3 is a schematic structural view of a support assembly provided in an embodiment of the present application;

fig. 4 is a schematic view of a connection structure of a support connection column according to an embodiment of the present disclosure.

In the figure: 100-adjusting the support assembly; 110-a mounting base; 112-a housing; 114-a mounting block; 120-adjusting the legs; 122-a first leg body; 124-a second leg body; 126-moving wheels; 130-an electric push rod; 132-a connecting block; 134-backing plate; 140-a top plate; 150-a reinforcing connecting rod; 160-a positioning rod; 162-a connection hole; 200-a support assembly; 210-a support plate; 220-a first arch; 230-a second arch; 232-reinforcing ribs; 240-support connection column; 250-reinforcing connectors; 252-a locating block; 254-connecting plate.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making creative efforts shall fall within the protection scope of the present application.

Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the present application and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1-4, the present application provides a technical solution: an extra-front jacket arch structure for tunnel construction includes an adjusting support assembly 100 and a support assembly 200.

Referring to fig. 1-4, the adjustable supporting assembly 100 includes a mounting base 110, an adjustable leg 120, an electric push rod 130, a top plate 140 and a positioning rod 160, the mounting base 110 includes a housing 112 and a mounting block 114, and the mounting block 114 is fixed on two outer sides of the housing 112. The attachment to the mounting block 114 by external bolts facilitates securing the position of the housing 112 within the tunnel. The bottom end of the adjusting leg 120 is roll-connected in the mounting base 110, the adjusting leg 120 includes a first leg body 122 and a second leg body 124, and the second leg body 124 is slidably connected above the first leg body 122. The sliding connection between the first leg body 122 and the second leg body 124 is beneficial to adjusting the distance between the first leg body 122 and the second leg body 124. A moving wheel 126 is connected to the bottom of the first leg 122, and the moving wheel 126 is disposed in the housing 112. Movement of the device is facilitated by the provision of the moving wheel 126, and movement of the device within the tunnel is facilitated by the cooperation between the moving wheel 126 and the housing 112. The electric push rod 130 is connected to one side of the adjusting leg 120, the output end of the electric push rod 130 is slidably connected to the adjusting leg 120, the second leg body 124 is connected to the connecting block 132, and the output end of the electric push rod 130 is connected to the connecting block 132. The length of the adjusting leg 120 is adjusted by actuating the electric push rod 130 to move the connecting block 132, so that the second leg body 124 moves relative to the first leg body 122. The first leg 122 is connected to a pad 134, and the electric push rod 130 is fixed above the pad 134. The setting of the backing plate 134 is beneficial to supporting the lower part of the electric push rod 130, and is beneficial to improving the fixing effect of the electric push rod 130. The top plate 140 is fixed above the adjusting leg 120, and the positioning rod 160 is screwed with the adjusting leg 120. The first leg 122 is connected to a reinforcing connecting rod 150, and the reinforcing connecting rod 150 is connected between the first leg 122 and the first leg 122. The provision of the reinforcing connecting bar 150 facilitates the connection of the adjustment legs 120 to each other, which contributes to the structural strength of the device. The first leg 122 has a connecting hole 162, and the positioning rod 160 is screwed into the connecting hole 162. The connection hole 162 is formed to facilitate the connection between the positioning rod 160 and the adjusting leg 120, and the positioning rod 160 is fixed in the tunnel to facilitate the fixing of the position of the device.

Referring to fig. 1 to 4, the supporting assembly 200 includes a supporting plate 210, a first arch 220, a second arch 230, a supporting connection column 240 and a reinforcing connection member 250, the supporting plate 210 is fixed above the top plate 140, two ends of the first arch 220 and the second arch 230 are respectively connected to the supporting plate 210, the first arch 220 is disposed outside the second arch 230, a reinforcing rib 232 is connected to the second arch 230, and the length of the reinforcing rib 232 is the same as that of the second arch 230. The provision of the reinforcing rib 232 is beneficial to improving the structural strength of the second arch 230, thereby being beneficial to improving the protection effect of the device. The supporting connection column 240 is connected to the outside of the second arch 230, the supporting connection column 240 is connected between the first arch 220 and the second arch 230, one end of the reinforcing connection member 250 is connected to the second arch 230, and the other end of the reinforcing connection member 250 is connected to the support plate 210. The reinforcing link 250 includes a positioning block 252 and a connecting plate 254, the positioning block 252 is fixed below the second arch 230, one end of the connecting plate 254 is connected to the positioning block 252, and the other end of the connecting plate 254 is connected to the support plate 210. The positioning block 252 and the connecting plate 254 are arranged to provide support for the first arch 220 and the second arch 230, so as to further improve the protection effect of the device.

The working principle of the tunnel construction extra-front supporting sheath arch structure is as follows: when the device is used, the device is connected with the mounting block 114 through an external bolt, the position of the shell 112 in the tunnel is fixed, the device is moved through the arrangement of the moving wheel 126, and the device is moved in the tunnel through the mutual matching between the moving wheel 126 and the shell 112. The length of the adjusting leg 120 is adjusted by actuating the electric push rod 130 to move the connecting block 132, so that the second leg body 124 moves relative to the first leg body 122. Thereby be favorable to highly adjusting the position of first hunch body 220 and second hunch body 230, first hunch body 220 and second hunch body 230 are favorable to suiting with the shape in tunnel, be favorable to improving the protective effect of device to the inside top in tunnel, it is favorable to improving the joint strength between first hunch body 220 and the second hunch body 230 to set up supporting connection post 240, it is favorable to improving the structural strength of second hunch body 230 self to set up strengthening rib 232, be favorable to providing the support to first hunch body 220 and second hunch body 230 through setting up locating piece 252 and connecting plate 254, thereby be favorable to further improving the protective effect of device. The protective effect that has improved current strutting arrangement is relatively poor, and current strutting arrangement is not convenient for remove also be convenient for highly adjusting strutting arrangement in the tunnel simultaneously, has reduced the problem of device suitability.

It should be noted that the specific model specification of the electric putter 130 needs to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, so detailed description is omitted.

The power supply of the electric putter 130 and its principle will be clear to a person skilled in the art and will not be described in detail here.

The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. An arch structure of an extra-front supporting sheath for tunnel construction is characterized by comprising

The adjusting support assembly (100) comprises a mounting base (110), adjusting legs (120), an electric push rod (130), a top plate (140) and a positioning rod (160), the bottom ends of the adjusting legs (120) are connected in the mounting base (110) in a rolling mode, the electric push rod (130) is connected to one side of the adjusting legs (120), the output end of the electric push rod (130) is connected with the adjusting legs (120) in a sliding mode, the top plate (140) is fixed above the adjusting legs (120), and the positioning rod (160) is connected with the adjusting legs (120) in a threaded mode;

strut subassembly (200), strut subassembly (200) including backup pad (210), first hunch body (220), second hunch body (230), support connection post (240) and reinforcement connecting piece (250), backup pad (210) are fixed the top of roof (140), first hunch body (220) with the both ends of second hunch body (230) respectively with backup pad (210) are connected, first hunch body (220) set up the outside of second hunch body (230), support connection post (240) are connected the outside of second hunch body (230), support connection post (240) and connect first hunch body (220) with between second hunch body (230), the one end of consolidating connecting piece (250) with second hunch body (230) are connected, the other end of consolidating connecting piece (250) with backup pad (210) are connected.

2. The front sheathing arch structure of claim 1, wherein the mounting base (110) comprises a casing (112) and mounting blocks (114), the mounting blocks (114) being fixed to both outer sides of the casing (112).

3. A tunnel construction extra front sheath arch structure according to claim 2, characterized in that the adjusting leg (120) comprises a first leg body (122) and a second leg body (124), the second leg body (124) being slidably connected above the first leg body (122).

4. The front supporting arch structure for tunnel construction according to claim 3, wherein a moving wheel (126) is connected to the bottom of the first leg (122), and the moving wheel (126) is disposed in the housing (112).

5. The arch structure of claim 3, wherein the second leg (124) is connected with a connecting block (132), and the output end of the electric push rod (130) is connected with the connecting block (132).

6. The tunnel construction extra front sheath arch structure according to claim 3, wherein a tie plate (134) is connected to the first leg body (122), and the electric push rod (130) is fixed above the tie plate (134).

7. The arch structure of claim 3, wherein the first leg (122) has a reinforcement bar (150) connected thereto, and the reinforcement bar (150) is connected between the first leg (122) and the first leg (122).

8. The tunnel construction extra-front sheath arch structure as recited in claim 3, wherein the first leg body (122) is provided with a connecting hole (162), and the positioning rod (160) is screwed in the connecting hole (162).

9. The arch structure of claim 1, wherein the second arch (230) has a reinforcing rib (232) connected therein, and the length of the reinforcing rib (232) is the same as that of the second arch (230).

10. The tunnel construction extra front sheath arch structure according to claim 1, wherein the reinforcement connector (250) includes a positioning block (252) and a connecting plate (254), the positioning block (252) is fixed below the second arch body (230), one end of the connecting plate (254) is connected to the positioning block (252), and the other end of the connecting plate (254) is connected to the support plate (210).