CN215109032U

CN215109032U - Tunnel machinery excavates weak country rock sudden change early warning device

Info

Publication number: CN215109032U
Application number: CN202120164931.0U
Authority: CN
Inventors: 陈华; 张伟; 刘伟
Original assignee: CCCC SHEC Dong Meng Engineering Co Ltd
Current assignee: CCCC SHEC Dong Meng Engineering Co Ltd
Priority date: 2021-01-21
Filing date: 2021-01-21
Publication date: 2021-12-10
Anticipated expiration: 2031-01-21

Abstract

The utility model discloses a tunnel machinery excavates weak country rock sudden change early warning device relates to the early warning device field. This tunnel machinery excavates weak country rock sudden change early warning device, including the bracing piece, the bracing piece is provided with a pair ofly, installs a plurality of dead levers between a pair of bracing piece, and the connecting plate is installed with the junction of dead lever to the bracing piece, and the atress board is installed in the outside of connecting plate, and the early warning device body is installed to the atress board upside, and the bracing piece inboard is installed and is prevented weighing down the board, prevents weighing down the upper end of board and installs auxiliary block, and a plurality of snubber blocks are installed to auxiliary block's upper end. This tunnel machinery excavates weak country rock sudden change early warning device, the early warning device body is at the vibration in-process, carries out the vibration extrusion to the bottom snubber block, and the snubber block carries out effectual shock attenuation effect to the early warning device body through the compression to bottom damping spring, and then has effectively improved the work stability in use of early warning device body, has further improved the utility model discloses a work uses the fixity.

Description

Tunnel machinery excavates weak country rock sudden change early warning device

Technical Field

The utility model relates to an early warning device technical field specifically is a tunnel machinery excavates weak country rock sudden change early warning device.

Background

At present, in the tunnel mechanical excavation construction process, according to the polytropy of geological conditions, extremely big uncertain factors can be met, and the sudden change early warning device is installed between the weak surrounding rock of tunnel and supporting construction usually in the work progress, monitors the early warning.

However, the existing early warning device is low in use stability, and in the using process, when the tunnel fluctuates, the early warning device can be driven to vibrate synchronously, so that the normal working and use of the early warning device can be influenced, and in the withdrawing process, workers can move to be crowded, the original illumination of the tunnel is blocked, the normal withdrawing of the workers is influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model discloses a tunnel machinery excavates weak country rock sudden change early warning device to solve the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a tunnel mechanical excavation weak surrounding rock sudden change early warning device comprises a pair of supporting rods, a plurality of fixing rods are arranged between the pair of supporting rods at equal intervals, connecting plates are arranged outside the joints of the pair of supporting rods and the plurality of fixing rods in a matching mode, supporting bottom plates are arranged at two ends of the pair of supporting rods, a stress plate is arranged in the middle of the outer side of the connecting plate in an arc shape, the lower side of the upper end of the stress plate is provided with an early warning device body in a matching way, the bottom end of the early warning device body penetrates through the upper side of the connecting plate and extends to the inner sides of the pair of supporting rods, the upper ends of the inner sides of the pair of supporting rods are provided with anti-falling plates, prevent weighing down the upper end mid-mounting of board and have supplementary piece, a plurality of snubber blocks are installed to the upper end middle part of supplementary piece equidistant, and are a plurality of the one end that supplementary piece was kept away from to the snubber block is connected with the bottom of early warning device body.

Preferably, a pair of the illuminating lamps are installed on one side, close to each other, of the fixing rods on the two sides of the middle of the supporting rod, and the illuminating lamps on the two sides are connected with the early warning device body through lines.

Preferably, the lower sides of the two ends of the anti-falling plate are respectively lapped at the upper ends of the fixing rods on the two sides, and the two ends of the anti-falling plate are fixedly connected with the connecting plate.

Preferably, prevent weighing down the both sides of board impartial interval and install a plurality of stabilizer bars, it is a plurality of the stabilizer bar is kept away from the one end of preventing weighing down the board and all is connected with the bracing piece, prevent weighing down the bottom both sides of board equidistant multiunit board groove of having seted up.

Preferably, flexible groove has all been seted up in the cooperation of the junction of auxiliary block and a plurality of snubber blocks, the spacing crown plate is installed to the bottom of snubber block, the port looks joint in spacing crown plate and flexible groove.

Preferably, it is a plurality of the bottom of snubber block all is connected with damping spring, damping spring keeps away from the one end of snubber block and is connected with the inner bottom in flexible groove, the inner bottom mid-mounting in flexible groove has the locating lever, the constant head tank with locating lever looks adaptation is seted up at the middle part of snubber block, the top of locating lever is located the constant head tank.

Preferably, the rubber pads are installed on both sides of the upper end of the auxiliary block, the bottom end of the auxiliary block is fixedly connected with the anti-falling plate, and the upper end of the shock absorption block is made of a soft rubber material.

The utility model discloses a tunnel machinery excavates weak country rock sudden change early warning device, its beneficial effect who possesses as follows:

1. this tunnel machinery excavates weak country rock sudden change early warning device, including atress board, snubber block and damping spring isotructure, make the utility model discloses when receiving the tunnel fluctuation in the use, accessible atress board makes the utility model discloses wholly produce the vibration, the early warning device body is at the vibration in-process this moment, vibrates the extrusion to a plurality of snubber blocks in the bottom, and a plurality of snubber blocks carry out effectual shock attenuation effect to the early warning device body through the compression to bottom damping spring, and then have effectively improved the work stability in use of early warning device body, have further improved the utility model discloses a work uses the fixity.

2. This tunnel machinery excavates weak country rock sudden change early warning device, including atress board, early warning device body and light isotructure, make the utility model discloses accessible inner wall extrudees the atress board earlier in the use, atress board atress transmission information gives the early warning device body to make the early warning device body send out the police dispatch newspaper and remind constructor, meanwhile, both sides light is given to early warning device body transmission information, makes light work illumination, and then makes the illuminating effect that the staff moved back in the tunnel better, has improved the security that the staff moved back, the utility model discloses the practicality is higher, satisfies user's demand.

Drawings

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

FIG. 2 is a schematic view of the present invention from the bottom;

FIG. 3 is a schematic sectional view of the anti-falling plate structure of the present invention;

fig. 4 is a schematic view of the auxiliary block structure of the present invention.

In the figure: 1. a support bar; 2. fixing the rod; 3. a connecting plate; 4. a support base plate; 5. a stress plate; 6. a pre-warning device body; 61. an illuminating lamp; 7. an anti-falling plate; 71. a stabilizer bar; 72. a plate groove; 8. an auxiliary block; 81. a damper block; 82. a telescopic groove; 83. a limit ring plate; 84. a damping spring; 85. positioning a rod; 86. positioning a groove; 87. and (7) a rubber pad.

Detailed Description

The embodiment of the utility model discloses tunnel machinery excavates weak country rock sudden change early warning device, as shown in fig. 1-4, including bracing piece 1, bracing piece 1 is provided with a pair ofly, equidistant a plurality of dead levers 2 of installing between a pair of bracing piece 1, light 61 is all installed to one side that middle part both sides dead lever 2 of a pair of bracing piece 1 is close to each other, and both sides light 61 all is connected with early warning device body 6 through the circuit for early warning device body 6 is at the during operation, can drive both sides light 61 fast and throw light on work, has guaranteed that the staff is withdrawing the illumination intensity to the tunnel at the in-process.

The outer sides of the joints of the pair of supporting rods 1 and the plurality of fixing rods 2 are provided with a connecting plate 3 in a matching way, two ends of the pair of supporting rods 1 are provided with supporting bottom plates 4, the middle part of the outer side of the connecting plate 3 is provided with a stress plate 5 in an arc way, the lower side of the upper end of the stress plate 5 is provided with an early warning device body 6 in a matching way, the bottom end of the early warning device body 6 penetrates through the upper side of the connecting plate 3 and extends to the inner sides of the pair of supporting rods 1, the upper ends of the inner sides of the pair of supporting rods 1 are provided with anti-falling plates 7, the lower sides of the two ends of the anti-falling plates 7 are respectively lapped on the upper ends of the fixing rods 2 at two sides, two ends of the anti-falling plates 7 are fixedly connected with the connecting plate 3, two sides of the anti-falling plates 7 are provided with a plurality of stabilizing rods 71 at equal intervals, one end of the plurality of the stabilizing rods 71, which is far away from the anti-falling plates 7, is provided with a plurality of plate grooves 72 at equal intervals, so that the anti-falling plates 7 can not obstruct the alarm effect of the early warning device body 6, the utility model discloses a use rationality has been guaranteed.

An auxiliary block 8 is arranged in the middle of the upper end of the anti-falling plate 7, a plurality of shock absorption blocks 81 are arranged in the middle of the upper end of the auxiliary block 8 at equal intervals, one ends of the shock absorption blocks 81, far away from the auxiliary block 8, are connected with the bottom end of the early warning device body 6, telescopic grooves 82 are formed in the connection positions of the auxiliary block 8 and the shock absorption blocks 81 in a matched mode, a limiting ring plate 83 is arranged at the bottom end of the shock absorption blocks 81, the limiting ring plate 83 is connected with the port of the telescopic grooves 82 in a clamped mode, damping springs 84 are connected to the bottom ends of the shock absorption blocks 81, one ends of the damping springs 84, far away from the shock absorption blocks 81, are connected with the inner bottom of the telescopic grooves 82, a positioning rod 85 is arranged in the middle of the inner bottom of the telescopic grooves 82, a positioning groove 86 matched with the positioning rod 85 is formed in the middle of the shock absorption blocks 81, the top end of the positioning rod 85 is located in the positioning groove 86, rubber pads 87 are arranged on two sides of the upper end of the auxiliary block 8, and the bottom end of the anti-falling plate 7 are fixedly connected, the upper ends of the shock absorption blocks 81 are made of soft rubber materials, so that the shock absorption supporting effect of the shock absorption blocks 81 on the early warning device body 6 is better, and the use stability of the early warning device body 6 is further improved.

The working principle is as follows: when using the utility model discloses the time, at first connect a pair of bracing piece 1 through a plurality of dead levers 2, at the junction outside erection joint board 3 of a pair of bracing piece 1 and a plurality of dead lever 2 after that, then install the cooperation of atress board 5 at the surface of connecting plate 3, then will the utility model discloses install the tunnel inboard for atress board 5 supports with the laminating of tunnel inner wall, when the tunnel inner wall produces undulant, inner wall extrudees atress board 5 earlier, and atress board 5 atress transmission information gives early warning device body 6, thereby makes early warning device body 6 send out the police dispatch newspaper and reminds constructor, meanwhile, and light 61 is given to both sides to 6 transmission information of early warning device body, makes light 61 work illumination, and then makes the illuminating effect that the staff withdrawed in the tunnel better.

Further, when the tunnel inner wall produces undulant, make through atress board 5 the utility model discloses wholly produce the vibration, early warning device body 6 was at the vibration in-process this moment, vibrates the extrusion to a plurality of snubber blocks 81 in the bottom, and a plurality of snubber blocks 81 carry out effectual shock attenuation effect to early warning device body 6 through the compression to bottom damping spring 84, and then effectively improved early warning device body 6's work stability in use, solved early warning device body 6 when meetting the tunnel and fluctuate by a wide margin, can appear rocking the problem that influences normal use.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a tunnel machinery excavates weak country rock sudden change early warning device, includes bracing piece (1), its characterized in that: the anti-falling device is characterized in that the supporting rod (1) is provided with a pair of supporting rods (1), a plurality of fixing rods (2) are installed between the pair of supporting rods (1) at equal intervals, a connecting plate (3) is installed at the outer side of the joint of the pair of supporting rods (1) and the plurality of fixing rods (2), a supporting bottom plate (4) is installed at each of the two ends of the pair of supporting rods (1), a stress plate (5) is installed in the middle of the outer side of the connecting plate (3) in an arc shape, an early warning device body (6) is installed at the lower side of the upper end of the stress plate (5) in a matching mode, the bottom end of the early warning device body (6) penetrates through the upper side of the connecting plate (3) and extends to the inner side of the pair of supporting rods (1), the anti-falling plate (7) is installed at the upper end of the pair of supporting rods (1), an auxiliary block (8) is installed at the middle of the upper end of the anti-falling plate (7), a plurality of damping blocks (81) are installed at equal intervals at the middle of the upper end of the auxiliary block (8), a plurality of one end that supplementary piece (8) were kept away from to snubber block (81) is connected with the bottom of early warning device body (6).

2. The early warning device for sudden change of soft surrounding rock excavation of tunnel machinery as claimed in claim 1, wherein: the pair of the supporting rods (1) are arranged on two sides of the middle of the supporting rod (1), the fixing rods (2) are close to each other, the illuminating lamps (61) are arranged on one sides of the supporting rod, and the illuminating lamps (61) are connected with the early warning device body (6) through lines.

3. The early warning device for sudden change of soft surrounding rock excavation of tunnel machinery as claimed in claim 1, wherein: the lower sides of the two ends of the anti-falling plate (7) are respectively lapped at the upper ends of the fixing rods (2) at the two sides, and the two ends of the anti-falling plate (7) are fixedly connected with the connecting plate (3).

4. The early warning device for sudden change of soft surrounding rock excavation of tunnel machinery as claimed in claim 1, wherein: prevent weighing down the both sides of board (7) and equally spaced install a plurality of stabilizer bars (71), it is a plurality of stabilizer bar (71) are kept away from the one end of preventing weighing down board (7) and are all connected with bracing piece (1), prevent weighing down the bottom both sides of board (7) and equally spaced seted up multiunit board groove (72).

5. The early warning device for sudden change of soft surrounding rock excavation of tunnel machinery as claimed in claim 1, wherein: flexible groove (82) have all been seted up in the cooperation of junction of supplementary piece (8) and a plurality of snubber block (81), spacing ring board (83) are installed to the bottom of snubber block (81), spacing ring board (83) and the port looks joint in flexible groove (82).

6. The early warning device for sudden change of soft surrounding rock excavation of tunnel machinery as claimed in claim 5, wherein: a plurality of the bottom of snubber block (81) all is connected with damping spring (84), damping spring (84) are kept away from the one end of snubber block (81) and are connected with the inner bottom of flexible groove (82), the inner bottom mid-mounting of flexible groove (82) has locating lever (85), constant head tank (86) with locating lever (85) looks adaptation are seted up at the middle part of snubber block (81), the top of locating lever (85) is located constant head tank (86).

7. The early warning device for sudden change of soft surrounding rock excavation of tunnel machinery as claimed in claim 1, wherein: rubber pads (87) are all installed to the upper end both sides of auxiliary block (8), the bottom of auxiliary block (8) with prevent weighing down board (7) fixed connection, it is a plurality of the upper end of snubber block (81) is the flexible glue material and makes.