CN215761731U

CN215761731U - Collapse prevention protection device

Info

Publication number: CN215761731U
Application number: CN202122258255.6U
Authority: CN
Inventors: 李欣雨; 姜帆
Original assignee: Shandong University of Science and Technology
Current assignee: Shandong University of Science and Technology
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2022-02-08
Anticipated expiration: 2031-09-17

Abstract

The utility model discloses an anti-collapse protection device which comprises two groups of anti-collapse baffles, wherein the outer sides of the upper ends of the two groups of anti-collapse baffles are fixedly connected with upper baffles, and a distance adjusting mechanism is arranged at the upper end between the two groups of anti-collapse baffles. This prevent protection device that collapses, the setting prevents the baffle that collapses, overhead gage and interval guiding mechanism, at first with the baffle and the overhead gage of preventing collapsing of one side laminate with gallery inner wall and ground respectively each other, it makes the loop bar rotate to rotate first runner, thereby make the baffle that prevents collapsing of opposite side remove, until the opposite side inner wall that closes the gallery, prevent the upper end support column of the baffle with the gallery this moment, thereby prevent collapsing, and be applicable to the gallery of different width, can also prevent to trample the edge of gallery through preventing collapsing the baffle and lead to collapsing, thereby play the effect of protection to gallery and constructor, the practicality of the device is improved.

Description

Collapse prevention protection device

Technical Field

The utility model relates to the technical field of collapse prevention, in particular to a collapse prevention protection device.

Background

In the process of excavating the tunnel, when the tunnel is excavated deeply, the situation that the upper layer collapses possibly occurs, so that the excavated tunnel is damaged, and safety accidents can be caused in serious cases.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a collapse prevention protection device, which aims to solve the problems that cement is generally poured on two sides of a tunnel in order to deal with tunnel collapse in the prior art, time and labor are wasted, and a cement pouring method is wasted due to the fact that the tunnel needs to be refilled in the later period.

In order to achieve the purpose, the utility model provides the following technical scheme: the collapse prevention protection device comprises two sets of collapse prevention baffles, wherein the outer sides of the upper ends of the two sets of collapse prevention baffles are fixedly connected with upper baffles, the upper end between the two sets of collapse prevention baffles is provided with a spacing adjusting mechanism, the middle part of each collapse prevention baffle is provided with an extending mechanism, and the outer side of the upper end of each collapse prevention baffle is provided with a fixing mechanism;

the interval guiding mechanism includes first threaded rod, and is two sets of prevent the first threaded rod of the equal fixedly connected with in middle part of the baffle internal surface upper end of collapsing, it is two sets of prevent collapsing and be provided with the loop bar between the baffle, control two sets of first threaded rod passes through threaded connection with both ends about the loop bar respectively, the threaded hole of mutually supporting with first threaded rod is all seted up at both ends about the loop bar, controls two sets of the screw thread opposite direction of first threaded rod, the first stopper of one end fixedly connected with that first threaded rod is located the loop bar, the first spacing groove of mutually supporting with first stopper is seted up at the middle part of loop bar, the first runner of middle part fixedly connected with of loop bar.

Preferably, extend the mechanism including extending the baffle, the outside sliding connection who prevents the baffle that collapses has the extension baffle, the first mounting groove of mutually supporting with the extension baffle is seted up in the outside of preventing the baffle that collapses, it is close to the upper end fixedly connected with second stopper of preventing a side surface of the baffle that collapses to extend the baffle, the middle part of preventing the baffle that collapses sets up the second spacing groove of mutually supporting with the second stopper, left side middle part there is the second threaded rod, left side at the middle part of second stopper there is a threaded connection through threaded connection the upper and lower both ends of the baffle right side surface of preventing collapsing all fixedly connected with mounting panels, the upper and lower both ends of second threaded rod pass through bearing swing joint with upper and lower two sets of mounting panels respectively, the lower extreme fixedly connected with second runner of second threaded rod.

Preferably, the left and right groups of the front and rear ends are provided with telescopic rods between the second limiting blocks, and the left and right ends of the telescopic rods are fixedly connected with the second limiting blocks on the left and right sides respectively.

Preferably, the lower end of the extension baffle is fixedly connected with a shovel plate, and the lower end of the shovel plate is designed to be an acute angle.

Preferably, the fixing mechanism comprises a second mounting groove, the second mounting groove is formed in the outer side of the upper end of the collapse prevention baffle, an installation block is clamped in the second mounting groove, and one side, far away from the collapse prevention baffle, of the installation block is fixedly connected with a fixed insertion rod.

Preferably, the upper end of the anti-collapse baffle is fixedly connected with a baffle plate, and the angle between the upper baffle and the baffle plate is smaller than ninety degrees.

Compared with the prior art, the utility model has the beneficial effects that: the anti-collapse protection device is provided with a plurality of anti-collapse protection devices,

1. the anti-collapse device is characterized in that an anti-collapse baffle, an upper baffle and an interval adjusting mechanism are arranged, the anti-collapse baffle and the upper baffle on one side are respectively attached to the inner wall of the tunnel and the ground, a first rotating wheel is rotated to enable a loop bar to rotate, so that the anti-collapse baffle on the other side moves until the anti-collapse baffle abuts against the inner wall of the other side of the tunnel, the anti-collapse baffle supports the upper end of the tunnel at the moment to prevent collapse and is suitable for tunnels with different widths, the anti-collapse baffle can prevent the edge of the tunnel from being trampled to cause collapse, the tunnel and constructors are protected, and the practicability of the device is improved;

2. be provided with and extend the mechanism, make the second threaded rod rotate through rotating the second runner, thereby make and extend the baffle downstream, thereby can improve the degree of depth that supports the gallery inner wall, thereby still can effectively prevent the inner wall of gallery below to collapse when the gallery is constantly dug deeply, and can fall the convex part of inner wall through the shovel board when extending the baffle decline and stretch out, improve the roughness of inner wall, and the convex part of inner wall can not influence the decline that extends the baffle and stretch out.

Drawings

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

FIG. 2 is a schematic sectional elevation view of the structure of the present invention;

FIG. 3 is a schematic perspective view of the anti-collapse baffle, the upper baffle, the first threaded rod, the first limiting block, the first mounting groove, the second limiting groove, the mounting plate, the second mounting groove and the shielding plate according to the present invention;

fig. 4 is a schematic perspective view of the extension mechanism of the present invention.

In the figure: 1. an anti-collapse baffle; 2. an upper baffle plate; 311. a first threaded rod; 312. a loop bar; 313. a first stopper; 314. a first limit groove; 315. a first runner; 411. an extension baffle; 412. a first mounting groove; 413. a second limiting block; 414. a second limit groove; 415. a second threaded rod; 416. mounting a plate; 417. a second runner; 418. a telescopic rod; 419. a shovel plate; 511. a second mounting groove; 512. mounting blocks; 513. fixing the inserted rod; 6. a shielding plate.

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, fig. 2 and fig. 3, the present invention provides a technical solution: a collapse prevention protection device comprises collapse prevention baffles 1, in order to prevent the collapse of the underground tunnel, two sets of collapse prevention baffles 1 are arranged, upper baffles 2 are fixedly connected to the outer sides of the upper ends of the two sets of collapse prevention baffles 1, a spacing adjusting mechanism is arranged at the upper end between the two sets of collapse prevention baffles 1 and comprises first threaded rods 311, first threaded rods 311 are fixedly connected to the middle parts of the upper ends of the inner side surfaces of the two sets of collapse prevention baffles 1, sleeve rods 312 are arranged between the two sets of collapse prevention baffles 1, the left and right sets of first threaded rods 311 are respectively in threaded connection with the left and right ends of the sleeve rods 312, threaded holes matched with the first threaded rods 311 are formed in the left and right ends of the sleeve rods 312, the thread directions of the left and right sets of first threaded rods 311 are opposite, first limiting blocks 313 are fixedly connected to one ends of the first threaded rods 311, which are positioned in the sleeve rods 312, and the middle part of loop bar 312 is seted up the first spacing groove 314 of mutually supporting with first stopper 313, at the first runner 315 of middle part fixedly connected with of loop bar 312, at first with the baffle 1 and the last baffle 2 of preventing collapsing of one side laminate with gallery inner wall and ground respectively each other, rotate first runner 315 and make loop bar 312 rotate, thereby make the baffle 1 of preventing collapsing of opposite side remove, until closing the opposite side inner wall of gallery, the baffle 1 of preventing collapsing is with the upper end support column of gallery this moment, thereby prevent collapsing, and be applicable to the gallery of different width, can also prevent to trample the edge of gallery through preventing collapsing baffle 1 and lead to collapsing, thereby play the effect of protection to gallery and constructor, the practicality of the device has been improved.

Referring to fig. 1, 2, 3 and 4, in order to support the inner wall of the lower side of the tunnel when the tunnel is dug further, an extending mechanism may be disposed in the middle of the anti-collapse baffle 1, and the extending mechanism includes an extending baffle 411, the extending baffle 411 is slidably connected to the outer side of the anti-collapse baffle 1, a first mounting groove 412 is formed in the outer side of the anti-collapse baffle 1 and is matched with the extending baffle 411, a second limiting block 413 is fixedly connected to the upper end of the extending baffle 411, which is close to the surface of one side of the anti-collapse baffle 1, a second limiting groove 414 is formed in the middle of the anti-collapse baffle 1 and is matched with the second limiting block 413, a second threaded rod 415 is connected to the middle of the second limiting block 413 in the middle of the left side through a thread, mounting plates 416 are fixedly connected to the upper and lower ends of the surface of the left side of the anti-collapse baffle 1, and the upper and lower ends of the second threaded rod 415 are movably connected to the upper and lower mounting plates 416 through bearings, lower extreme fixedly connected with second runner 417 at second threaded rod 415, make second threaded rod 415 rotate through rotating second runner 417, thereby make extension baffle 411 remove downwards, thereby can improve the degree of depth that supports the gallery inner wall, thereby still can effectively prevent the inner wall of gallery below from collapsing when the gallery is constantly dug deeply, be provided with telescopic link 418 between the left and right sides two sets of second stopper 413 at front and back both ends, both ends respectively with the second stopper 413 fixed connection of the left and right sides about telescopic link 418, can make the extension baffle 411 of both sides can the synchronous motion through telescopic link 418.

Referring to fig. 1, 2 and 4, in order to prevent the protruding portion of the inner wall of the tunnel from affecting the protrusion of the extension baffle 411, a shovel 419 may be fixedly connected to the lower end of the extension baffle 411, and the lower end of the shovel 419 is designed to be an acute angle, so that the protruding portion of the inner wall may be cut off by the shovel 419 when the extension baffle 411 descends and protrudes, the flatness of the inner wall is improved, and the protruding portion of the inner wall does not affect the descending and protruding of the extension baffle 411.

Referring to fig. 1, 2 and 3, in order to further fix the anti-collapse baffle 1, a fixing mechanism may be disposed at an outer side of an upper end of the anti-collapse baffle 1, and the fixing mechanism includes a second installation groove 511, the outer side of the upper end of the anti-collapse baffle 1 is provided with the second installation groove 511, an installation block 512 is clamped in the second installation groove 511, a fixed insertion rod 513 is fixedly connected to a side of the installation block 512 away from the anti-collapse baffle 1, when the anti-collapse baffle 1 is abutted against two sides of the tunnel, the fixed insertion rod 513 is inserted into soil, a portion near the fixed insertion rod fixes the anti-collapse baffle 1, and when the anti-collapse baffle 1 is not in use, the installation block 512 is removed from the second installation groove 511, so that the second installation groove 511 can be separated from the anti-collapse baffle 1.

Referring to fig. 1, 2 and 3, in order to prevent soil or stones from falling into the tunnel from the ground, a shielding plate 6 may be fixedly connected to an upper end of the anti-collapse baffle 1, and an angle between the upper baffle 2 and the shielding plate 6 is smaller than ninety degrees, so that the shielding plate 6 can shield the soil and stones from falling into the tunnel, thereby ensuring safety of constructors in the tunnel.

The working principle is as follows: when the collapse prevention protection device is used, firstly, the collapse prevention baffle 1 on one side is mutually attached to the ground, the first rotating wheel 315 is rotated to enable the sleeve rod 312 to rotate, the first threaded rod 311 moves towards the outside of the sleeve rod 312, and therefore the collapse prevention baffle 1 on the other side moves until the two groups of upper baffles 2 are respectively abutted to the inner walls of the two sides of the tunnel, the fixed inserting rods 513 are inserted into soil, the collapse prevention baffle 1 is further fixed, and at the moment, the upper end of the tunnel is supported by the collapse prevention baffle 1 to prevent collapse;

when the tunnel continues to dig downwards deeply, the second rotating wheel 417 is rotated, so that the second threaded rod 415 rotates, the second limiting block 413 drives the extension baffle 411 to move downwards, the mounting plate 416 cuts off the convex part of the inner wall of the tunnel, the extension baffle 411 is prevented from being influenced to move downwards and extend out, and the inner part of the bottom of the tunnel is supported and protected until the extension baffle 411 extends out, so that the working process of the whole device is completed, and the content which is not described in detail in the specification belongs to the prior art known by technicians in the field.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an anti-collapse protection device, includes anti-collapse baffle (1), its characterized in that: the anti-collapse baffle is characterized in that two groups of anti-collapse baffles (1) are arranged, the outer sides of the upper ends of the two groups of anti-collapse baffles (1) are fixedly connected with upper baffles (2), an interval adjusting mechanism is arranged at the upper end between the two groups of anti-collapse baffles (1), an extending mechanism is arranged in the middle of each anti-collapse baffle (1), and a fixing mechanism is arranged at the outer side of the upper end of each anti-collapse baffle (1);

the distance adjusting mechanism comprises first threaded rods (311), the middle parts of the upper ends of the inner side surfaces of the two groups of anti-collapse baffles (1) are fixedly connected with the first threaded rods (311), a sleeve rod (312) is arranged between the two groups of anti-collapse baffles (1), the left group of first threaded rods (311) and the right group of first threaded rods (311) are respectively in threaded connection with the left end and the right end of the sleeve rod (312), the left end and the right end of the sleeve rod (312) are both provided with threaded holes matched with the first threaded rods (311), the thread directions of the left group of first threaded rods (311) and the right group of first threaded rods are opposite, one end of the first threaded rod (311) positioned in the sleeve rod (312) is fixedly connected with a first limit block (313), the middle part of the loop bar (312) is provided with a first limit groove (314) matched with the first limit block (313), and the middle part of the loop bar (312) is fixedly connected with a first rotating wheel (315).

2. An anti-collapse protection device according to claim 1, wherein: the extending mechanism comprises an extending baffle (411), the outer side of the anti-collapse baffle (1) is connected with the extending baffle (411) in a sliding manner, the outer side of the anti-collapse baffle (1) is provided with a first mounting groove (412) matched with the extending baffle (411), the upper end of the extending baffle (411) close to one side surface of the anti-collapse baffle (1) is fixedly connected with a second limiting block (413), the middle part of the anti-collapse baffle (1) is provided with a second limiting groove (414) matched with the second limiting block (413), the middle part of the second limiting block (413) in the middle of the left side is connected with a second threaded rod (415) through threads, the upper end and the lower end of the right side surface of the anti-collapse baffle (1) on the left side are fixedly connected with mounting plates (416), and the upper end and the lower end of the second threaded rod (415) are respectively movably connected with the upper mounting plate and the lower mounting plate (416) through bearings, the lower end of the second threaded rod (415) is fixedly connected with a second rotating wheel (417).

3. An anti-collapse protection device according to claim 2, wherein: two sets of about both ends around be provided with telescopic link (418) between second stopper (413), both ends are respectively with second stopper (413) fixed connection of the left and right sides about telescopic link (418).

4. An anti-collapse protection device according to claim 2, wherein: the lower end of the extension baffle (411) is fixedly connected with a shovel plate (419), and the lower end of the shovel plate (419) is designed to be an acute angle.

5. An anti-collapse protection device according to claim 1, wherein: the fixing mechanism comprises a second mounting groove (511), the second mounting groove (511) is formed in the outer side of the upper end of the anti-collapse baffle (1), a mounting block (512) is clamped in the second mounting groove (511), and one side of the mounting block (512) far away from the anti-collapse baffle (1) is fixedly connected with a fixed inserting rod (513).

6. An anti-collapse protection device according to claim 1, wherein: the upper end of the anti-collapse baffle (1) is fixedly connected with a baffle plate (6), and the angle between the upper baffle plate (2) and the baffle plate (6) is smaller than ninety degrees.