CN219061707U

CN219061707U - Tunnel supporting device

Info

Publication number: CN219061707U
Application number: CN202320278716.2U
Authority: CN
Inventors: 周纪同; 王辉; 游宁; 于晨晨; 赵晓
Original assignee: Shandong Yifangda Construction Project Management Co ltd
Current assignee: Shandong Yifangda Construction Project Management Co ltd
Priority date: 2023-02-22
Filing date: 2023-02-22
Publication date: 2023-05-23
Anticipated expiration: 2033-02-22

Abstract

The utility model discloses a tunnel supporting device, which comprises arc supporting plates and supporting vertical plates, wherein the supporting vertical plates are distributed on two sides, the tops of the supporting vertical plates are fixedly connected with the arc supporting plates, a plurality of arc convex strips are arranged on the top surfaces of the arc supporting plates along the length direction, arc sealing strips are welded at two ends of the top surfaces of the arc supporting plates, the top surfaces of the arc supporting plates form launders communicated to two sides through the arc convex strips and the arc sealing strips, and lifting bases are fixedly connected to the bottoms of the supporting vertical plates; according to the utility model, the upper supporting component is abutted with the top of the tunnel through the lifting base, the arc supporting plate is utilized to provide integral support for the top of the tunnel, the arc convex strips are used to provide local support for the top of the tunnel, and the launder formed between the arc convex strips and the arc sealing strip can collect broken stones and broken soil and slide down from two sides, so that the broken workers are avoided, the potential safety hazard is eliminated, and the construction safety is ensured.

Description

Tunnel supporting device

Technical Field

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

Background

Tunnels are engineering structures buried in an underground formation, a form of human use of underground space. In mountain, plateau and hilly areas, tunnel engineering is applied more, and tunnel needs to be supported in the process of excavating the tunnel, and at present, in tunnel construction, in order to ensure the safety in the construction process, the tunnel needs to be supported. The traditional tunnel supporting method mainly adopts reinforced concrete for reinforcement, but the pushing speed and the cost of tunnel engineering are greatly influenced due to the factors of high construction difficulty, long time consumption, high cost and the like, chinese patent application No. CN202021170102.5 discloses a tunnel supporting device which comprises a bottom supporting plugboard, wherein an arc-shaped protection plugboard is fixedly connected to the top end of the outer part of the bottom supporting plugboard, the left side and the right side of the bottom supporting plugboard are penetrated and are in sliding connection with extension side baffles, the left side and the right side of the inner part of the arc-shaped protection plugboard are penetrated and are in sliding connection with extension protection arc boards, the middle part of the outer part of the extension protection arc boards is fixedly connected with a movable buffer mechanism, the top part of the extension protection arc boards is provided with mounting plugholes on the two sides of the movable buffer mechanism, and mounting pins are penetrated in the inner parts of the mounting plugholes; in this technical scheme, set up through both sides and extend the guard plate, improve tunnel support length to and utilize the transmission internal rotation pole to highly adjust the tunnel of adaptation different height, but in practical application, arc protection picture peg and tunnel top are direct to be connected in the top, when dismantling or remove, falling rocks, earth that the tunnel dropped are easy from the top landing, injure the workman by a smash easily, have the potential safety hazard.

Disclosure of Invention

The utility model aims to solve the technical problems that: the tunnel supporting device is high in safety.

In order to solve the technical problems, the utility model comprises arc-shaped support plates and support vertical plates, wherein the support vertical plates are distributed on two sides, the top parts of the support vertical plates are fixedly connected with the arc-shaped support plates, a plurality of arc-shaped raised strips are arranged on the top surfaces of the arc-shaped support plates along the length direction, arc-shaped seals are welded at two ends of the top surfaces of the arc-shaped support plates, the top surfaces of the arc-shaped support plates form launders communicated to two sides through the arc-shaped raised strips and the arc-shaped seals, and lifting bases are fixedly connected to the bottoms of the support vertical plates.

Preferably, the outer side of the supporting vertical plate is provided with a vertical raised line which is in butt joint with the arc raised line, and the two ends of the outer side of the supporting vertical plate are welded with vertical sealing strips which are in butt joint with the arc sealing strips.

Preferably, the radians of the arc convex strips and the arc seals are consistent with the radians of the arc support plates.

Preferably, the arc convex strips are flush with the top surface of the arc seal.

Preferably, the top of the launder is provided with a protective net, and two sides of the protective net are connected with the arc convex strips or the arc seals through hooks.

Preferably, the lifting base comprises a supporting bottom plate, the supporting bottom plate is fixedly connected with the bottom surface of the supporting vertical plate, a first vertical column is fixedly connected with the bottom surface of the supporting bottom plate, a hydraulic cylinder is installed in the first vertical column, and the output end of the hydraulic cylinder is fixedly connected with a supporting seat.

Preferably, the support base is a self-moving base.

Preferably, the self-moving base comprises a bottom beam, two ends of the bottom beam are connected with a second vertical column through transverse telescopic members, the second vertical column is connected with the bottom beam through a jack and embedded into the bottom beam, and a supporting member is fixedly connected to the bottom of the second vertical column, wherein the supporting member is provided with a longitudinal telescopic column.

The beneficial effects of the utility model are as follows: according to the utility model, the upper supporting component is abutted with the top of the tunnel through the lifting base, the arc supporting plate is utilized to provide integral support for the top of the tunnel, the arc convex strips provide local support for the top of the tunnel, and the launder formed between the arc convex strips and the arc sealing strip can collect broken stones and broken soil and slide down from two sides, so that the broken workers are avoided, the potential safety hazard is eliminated, and the construction safety is ensured.

Drawings

FIG. 1 is a perspective view showing the overall structure of embodiment 1 of the present utility model;

FIG. 2 is a schematic view of a portion of the structure of FIG. 1 in accordance with the present utility model;

FIG. 3 is a perspective view showing the overall structure of embodiment 2 of the present utility model;

fig. 4 is a schematic view of the self-moving base structure of fig. 3 according to the present utility model.

In the figure: 1. an arc-shaped support plate; 2. supporting a vertical plate; 3. arc convex strips; 4. an arc seal; 5. a launder; 6. lifting a base; 61. a support base plate; 62. a first vertical column; 63. a hydraulic cylinder; 64. a support base; 641. a bottom beam; 642. a transverse expansion member; 643. a second vertical column; 644. a jack; 645. a longitudinal telescopic column; 646. a support; 7. vertical raised strips; 8. a vertical seal; 9. a protective net; 10. a hook.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, in which all directional indications (such as up, down, left, right, front, and rear … …) are only used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

Example 1

As shown in fig. 1-2, this embodiment provides a tunnel supporting device, including arc backplate 1 and support riser 2, support riser 2 distributes in both sides and top fixed connection arc backplate 1, the top surface of arc backplate 1 is equipped with a plurality of arc sand grip 3 along length direction, arc sand grip 3 is equidistant distribution, and the width of arc sand grip 3 can freely set up according to actual conditions, it is comparatively soft to meet the soil property, arc sand grip 3 width can set up great, arc strip of paper used for sealing 4 has all been welded at the top surface both ends of arc backplate 1, the radian of arc sand grip 3 and arc strip of paper used for sealing 4 is unanimous with the radian of arc backplate 1, the top surface parallel and level of arc sand grip 3 and arc strip of paper used for sealing 4, arc backplate 1 top surface passes through arc sand grip 3 and arc strip of paper used for sealing 4 forms the chute 5 to both sides intercommunication, the width of chute 5 can freely set up according to actual conditions, the bottom fixedly connected with lifting base 6 of support riser 2.

And be equipped with in the outside of supporting riser 2 with arc sand grip 3 butt joint erect sand grip 7, and the outside both ends welding of supporting riser 2 have with arc strip of paper used for sealing 4 butt joint erect strip of paper used for sealing 8, erect sand grip 7 and erect strip of paper used for sealing 8 set up form with chute 5 communicating runner for rubble, the hack that falls can be along the landing to the bottom.

The top of chute 5 is equipped with protection network 9, and protection network 9's both sides are connected with arc sand grip 3 or arc strip of paper used for sealing 4 through couple 10, and couple 10 is fixed on arc sand grip 3 or arc strip of paper used for sealing 4, when installing protection network 9, directly to the side hook joint of protection network 9 on couple 10, accomplish the fixed to protection network 9, utilize protection network 9 can be to the further shielding protection of falling rocks.

Lifting base 6 includes supporting baseplate 61, supporting baseplate 61 and the bottom surface fixed connection of strutted riser 2, supporting baseplate 61's bottom surface fixedly connected with vertical post one 62, install pneumatic cylinder 63 in the vertical post one 62, the output fixedly connected with supporting seat 64 of pneumatic cylinder 63, supporting seat 64 supports overall structure, utilize pneumatic cylinder 63 to drive upper portion strutted structure and go up and down, accomplish the strutted, and when dismantling, directly descend through pneumatic cylinder 63 for upper portion strutted structure whereabouts, thereby reach and dismantle and remove overall structure.

Example 2

As shown in fig. 3 and 4, the upper supporting structure in this embodiment is the same as that of embodiment 1, except that the supporting seat 64 in the lifting base 6 is a self-moving base, and the self-moving base is used to facilitate moving the whole supporting structure, changing the supporting position and moving the supporting device to the position to be supported.

The self-moving base comprises a bottom beam 641, two ends of the bottom beam 641 are connected with a second vertical column 643 through transverse telescopic members 642, the second vertical column 643 is connected with the bottom beam 641 through a jack 644, the jack 644 is embedded into the bottom beam 641, a longitudinal telescopic column 645 is arranged in the second vertical column 643, a supporting member 646 is fixedly connected to the bottom of the longitudinal telescopic column 645, a jack is also arranged in the second vertical column 643, the longitudinal telescopic column 645 can be jacked, and the telescopic cooperation of the jack 644 and the telescopic action of the longitudinal telescopic column 645 on the supporting member 646 are utilized to realize movement of the bottom beam 641.

The working principle of the utility model is as follows: the upper supporting component is abutted to the top of the tunnel through the lifting base 6, the arc supporting plate 1 is utilized to provide the integral top support, the arc convex strips 3 provide local support for the top of the tunnel, and the launder 5 formed between the arc convex strips 3 and the arc sealing strips 4 can collect broken stones and broken soil and slide down from two sides, so that the injury to workers is avoided, the potential safety hazard is eliminated, and the construction safety is ensured.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 a tunnel supporting device, its characterized in that, includes arc backplate and support riser, support riser distributes in both sides and top fixed connection arc backplate, the top surface of arc backplate is equipped with a plurality of arc sand grip along length direction, the equal welding in the top surface both ends of arc backplate has the arc strip of paper used for sealing, arc backplate top surface passes through arc sand grip and arc strip of paper used for sealing form the chute to both sides intercommunication, the bottom fixedly connected with lifting base of support riser.

2. The tunnel supporting device according to claim 1, wherein the outer side of the supporting vertical plate is provided with vertical protruding strips which are in butt joint with the arc protruding strips, and two ends of the outer side of the supporting vertical plate are welded with vertical sealing strips which are in butt joint with the arc sealing strips.

3. The tunnel support of claim 1 wherein the arc of the arcuate ribs and arcuate seals is in accordance with the arc of the arcuate support plate.

4. A tunnel supporting device according to claim 3, wherein the arcuate ribs are flush with the top surface of the arcuate seal.

5. The tunnel supporting device according to claim 1, wherein a protective net is arranged at the top of the launder, and two sides of the protective net are connected with the arc-shaped raised strips or the arc-shaped sealing strips through hooks.

6. The tunnel supporting device according to any one of claims 1 to 5, wherein the lifting base comprises a supporting bottom plate, the supporting bottom plate is fixedly connected with the bottom surface of the supporting vertical plate, the bottom surface of the supporting bottom plate is fixedly connected with a first vertical column, a hydraulic cylinder is installed in the first vertical column, and the output end of the hydraulic cylinder is fixedly connected with a supporting seat.

7. The tunnel support of claim 6 wherein the support base is a self-moving base.

8. The tunnel supporting device according to claim 7, wherein the self-moving base comprises a bottom beam, two ends of the bottom beam are connected with a second vertical column through transverse telescopic members, the second vertical column is connected with the bottom beam through a jack, the jack is embedded into the bottom beam, and a longitudinal telescopic column is arranged in the second vertical column, and the bottom of the longitudinal telescopic column is fixedly connected with a supporting member.