CN218563683U

CN218563683U - Interim supporting component in undercut tunnel

Info

Publication number: CN218563683U
Application number: CN202223270518.6U
Authority: CN
Inventors: 古鑫蕤; 张沙; 李迎秋
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-07
Filing date: 2022-12-07
Publication date: 2023-03-03
Anticipated expiration: 2032-12-07

Abstract

The utility model relates to a secretly dig tunnel support technical field, especially be a secretly dig tunnel temporary support component, including the bottom plate, the bottom plate internally mounted has hydraulic stem and fixed subassembly, and the output shaft of hydraulic stem rotates and is connected with the supporting component, and the bottom of supporting component is connected with the bottom plate and is rotated, and one side of bottom plate rotates and is connected with the rotating turret, and the outside fixedly connected with of rotating turret connects with the link table, and the other end fixedly connected with of bottom plate is spacing section of thick bamboo, and spacing section of thick bamboo is inside to be seted up the lock pin hole; the utility model discloses, at the inside fixed subassembly that is provided with of bottom plate, when the installation, when the problem of unevenness appears on ground, through manual rotation handle, the handle drives threaded spindle and drill bit and rotates, and the drill bit is used for boring into the ground bottom this moment to when stripper plate and the close laminating of ground, not only can reach and fix to the ground of unevenness this moment, the stripper plate inserts ground simultaneously, the difficult removal that takes place longitudinal direction of its equipment.

Description

Interim supporting member of undercut tunnel

Technical Field

The utility model relates to a technical field is strutted in the undercut tunnel, specifically is an interim supporting component in undercut tunnel.

Background

When a tunnel and underground building engineering are constructed, a corresponding space needs to be excavated, and then a lining needs to be built in the space.

Present application number is 201922025748.8 temporary supporting component of subway undercut tunnel cross passage, though can play the purpose of quick interim support, but when the installation, because the bottom plate bottom is the parallel and level setting, when the installation, need keep installation bottom level, in case local unevenness takes place for the bottom, its bottom plate can't with ground in close contact with, it is unstable when causing equipment fixing easily, the bottom plate rocks easily, can't reach the effect of effective support, provide a temporary supporting component of undercut tunnel to above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an interim supporting member in undercut tunnel to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

as the utility model provides an alternative of interim supporting member of undercut tunnel, wherein: the utility model provides an interim supporting member in undercut tunnel, includes the bottom plate, bottom plate internally mounted has hydraulic stem and fixed subassembly, and the output shaft of hydraulic stem rotates and is connected with supporting component, and supporting component's bottom is to rotate with the bottom plate and is connected, one side of bottom plate is rotated and is connected with the rotating turret, and the outside fixedly connected with of rotating turret connects the platform, the spacing section of thick bamboo of other end fixedly connected with of bottom plate, and the inside lock pinhole of having seted up of a spacing section of thick bamboo.

As an alternative of the utility model discloses a temporary bracing member of undercut tunnel, wherein: the device is arranged in a plurality of groups, the connecting table is inserted into the limiting cylinder, and the connecting table and the limiting cylinder are connected through the lock pin.

As the utility model provides an alternative of interim supporting member of undercut tunnel, wherein: the supporting component comprises a rotating plate, a rotating shaft and a connecting frame, the bottom of the rotating plate is rotatably connected with the bottom plate, the outer side of the rotating plate is rotatably connected with the hydraulic rod, the rotating plate is fixedly connected with the rotating shaft at the top of the rotating plate, the connecting frame is rotatably connected with the outer side of the rotating shaft, and the top of the connecting frame is fixedly connected with a top plate.

As the utility model provides an alternative of interim supporting member of undercut tunnel, wherein: a placing groove is formed in the upper portion of the rotating plate, and the connecting frame is arranged in the placing groove.

As an alternative of the utility model discloses a temporary bracing member of undercut tunnel, wherein: fixed subassembly includes installing frame, fixed plate and stripper plate, the installing frame outside is fixed connection with the bottom plate, the inside fixedly connected with fixed plate of installing frame, and the inside screwed connection of fixed plate has the screw spindle, and the screw spindle top is fixed connection with the handle, screw spindle bottom fixedly connected with drill bit.

As an alternative of the utility model discloses a temporary bracing member of undercut tunnel, wherein: the drill bit outside fixedly connected with stripper plate, the stripper plate outside is sliding connection with the installing frame, and the stripper plate is the ring setting.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses, this device is provided with fixed subassembly in the bottom plate, when the installation, when the ground appears the unevenness problem, through manual rotation handle, the handle drives threaded spindle and drill bit rotation, the drill bit was used for boring into the ground bottom this moment, and when stripper plate and ground closely laminated, not only can reach to fix to the unevenness ground this moment, simultaneously the stripper plate inserts ground, its equipment is difficult for taking place the removal of longitudinal direction;

the device can realize multiple connections through the matching of the connecting table, the limiting cylinder and the lock pin, and then supports in a matching way, and meanwhile, the device can realize the rotation in the longitudinal direction to a certain extent, has a certain purpose of automatic adjustment, and realizes the purpose of supporting the interior of a tunnel with certain bending;

when supporting, when the top layer is the slope setting, its roof can rotate, and roof and top layer surface contact can support the application range to the top layer of slope to this kind of setting.

Drawings

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

fig. 2 is a schematic structural view of the fixing assembly of the present invention;

fig. 3 is a cross-sectional view of the rotating plate of the present invention.

In the figure: 1. a base plate; 2. a hydraulic lever; 3. a fixing assembly; 301. installing a frame; 302. a fixing plate; 303. a compression plate; 304. a threaded shaft; 305. a handle; 306. a drill bit; 4. a support assembly; 401. a rotating plate; 402. a rotating shaft; 403. a connecting frame; 404. a top plate; 5. a rotating frame; 6. a connecting table; 7. a limiting cylinder; 8. a lock pin hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Example 1

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

the utility model provides a temporary supporting member of undercut tunnel, includes bottom plate 1, 1 internally mounted of above-mentioned bottom plate has hydraulic stem 2 and fixed subassembly 3, and the output shaft of hydraulic stem 2 rotates and is connected with supporting component 4, and supporting component 4's bottom is to rotate with bottom plate 1 and be connected, one side of above-mentioned bottom plate 1 rotates and is connected with rotating turret 5, and the outside fixedly connected with connection platform 6 of rotating turret 5, the spacing section of thick bamboo 7 of other end fixedly connected with of above-mentioned bottom plate 1, and 7 insides of spacing section of thick bamboo have seted up lock pin hole 8.

This device is a plurality of groups setting, and above-mentioned connection platform 6 inserts to 7 insides of a spacing section of thick bamboo to connection platform 6 and a spacing section of thick bamboo 7 are connected through the lockpin, and this device interconnect can be guaranteed in this kind of setting for the cooperation is strutted.

External power supply during the use, when strutting the undercut tunnel, through removing this device inside the tunnel, then place it at required position, start hydraulic stem 2 simultaneously and drive supporting component 4 and rotate, supporting component 4 and the purpose that the top layer contact realized temporary support this moment, and under this kind of setting, its ground unevenness once, can result in bottom plate 1 can't fully contact with ground, the condition of rocking appears when strutting, and this device is through starting fixed subassembly 3, can guarantee that bottom plate 1 is stable to be connected with ground this moment, guarantee its stability, and when bottom plate 1 needs the cooperation to use, through inserting a set of connection platform 6 inside spacing section of thick bamboo 7, and insert connection platform 6 and the inside realization of spacing section of thick bamboo 7 with the lockpin, this kind of connected mode can guarantee to have certain movable angle between the bottom plate 1 simultaneously, strut to the tunnel of certain bending degree.

Example 2

In this embodiment, referring to fig. 1 and fig. 3, specifically, the supporting assembly 4 includes a rotating plate 401, a rotating shaft 402 and a connecting frame 403, the bottom of the rotating plate 401 is rotatably connected to the bottom plate 1, the outer side of the rotating plate 401 is rotatably connected to the hydraulic rod 2, the top of the rotating plate 401 is fixedly connected to the rotating shaft 402, the outer side of the rotating shaft 402 is rotatably connected to the connecting frame 403, and the top of the connecting frame 403 is fixedly connected to the top plate 404.

A placing groove is formed in the upper portion of the rotating plate 401, the connecting frame 403 is arranged in the placing groove, and when the rotating plate is not used, one side of the connecting frame 403 can be located in the rotating plate 401 for containing.

The turning plate 401 is turned by actuating the hydraulic lever 2, and the top plate 404 of the top of the turning plate 401 is in contact with the top of the tunnel, and at the same time, even if the top of the tunnel is at a certain angle of inclination, the top plate 404 can also be in contact therewith, and then used for supporting work.

Example 3

In this embodiment, referring to fig. 1 and fig. 2, specifically, the fixing assembly 3 includes an installation frame 301, a fixing plate 302 and a pressing plate 303, an outer side of the installation frame 301 is fixedly connected to the bottom plate 1, the fixing plate 302 is fixedly connected to an inner side of the installation frame 301, a threaded shaft 304 is spirally connected to an inner side of the fixing plate 302, a top of the threaded shaft 304 is fixedly connected to a handle 305, and a drill 306 is fixedly connected to a bottom of the threaded shaft 304.

Above-mentioned drill bit 306 outside fixedly connected with stripper plate 303, the above-mentioned stripper plate 303 outside is sliding connection with installing frame 301, and stripper plate 303 is the ring setting, and this kind of setting is used for increase and ground area of contact, guarantees its stability, and stripper plate 303 is the ring setting and makes things convenient for it to remove to inside installing frame 301.

When bottom plate 1 and ground contact, it drives screw spindle 304 through manual rotation handle 305 and rotates, and screw spindle 304 drives drill bit 306 and rotates, drill bit 306 bores into ground, simultaneously stripper plate 303 and ground contact, a purpose for PMKD 1, even the ground unevenness also can reach fixed purpose this kind of setting, this kind of setting avoids bottom plate 1 to be vertical emergence displacement simultaneously, when not using, through reversal handle 305, inside installation frame 301 is accomodate to drill bit 306 this moment, avoid colliding with other objects and taking place the damage.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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.

Claims

1. The utility model provides a temporary supporting member of undercut tunnel, includes bottom plate (1), its characterized in that: bottom plate (1) internally mounted has hydraulic stem (2) and fixed subassembly (3), and the output shaft of hydraulic stem (2) rotates and is connected with supporting component (4), and the bottom of supporting component (4) is to rotate with bottom plate (1) and be connected, one side of bottom plate (1) is rotated and is connected with rotating turret (5), and outside fixedly connected with connection platform (6) of rotating turret (5), the spacing section of thick bamboo (7) of other end fixedly connected with of bottom plate (1), and spacing section of thick bamboo (7) inside lock pinhole (8) have been seted up.

2. The underground excavated tunnel temporary support member according to claim 1, wherein: the device is arranged in a plurality of groups, the connecting table (6) is inserted into the limiting cylinder (7), and the connecting table (6) is connected with the limiting cylinder (7) through a lock pin.

3. The underground excavated tunnel temporary support member according to claim 1, wherein: supporting component (4) are including rotor plate (401), pivot (402) and link (403), rotor plate (401) bottom is to rotate with bottom plate (1) and is connected, the rotor plate (401) outside is to rotate with hydraulic stem (2) and is connected, rotor plate (401) top fixedly connected with pivot (402), and pivot (402) outside rotates and is connected with link (403), and link (403) top fixedly connected with roof (404).

4. A temporary support structure for an underground excavated tunnel according to claim 3, wherein: a placing groove is formed in the upper portion of the rotating plate (401), and the connecting frame (403) is arranged in the placing groove.

5. The underground excavated tunnel temporary support member according to claim 1, wherein: fixed subassembly (3) are including installing frame (301), fixed plate (302) and stripper plate (303), the installing frame (301) outside is fixed connection with bottom plate (1), the inside fixedly connected with fixed plate (302) of installing frame (301), and the inside screw connection of fixed plate (302) has threaded shaft (304), and threaded shaft (304) top is fixed connection with handle (305), threaded shaft (304) bottom fixedly connected with drill bit (306).

6. The underground excavated tunnel temporary support member according to claim 5, wherein: drill bit (306) outside fixedly connected with stripper plate (303), the stripper plate (303) outside is sliding connection with installing frame (301), and stripper plate (303) is the ring setting.