Tunnel gas monitoring device for safety management of bridge and tunnel engineering

Abstract

The utility model provides a tunnel gas monitoring device for safety management of bridge and tunnel engineering, which relates to the technical field of gas monitoring and comprises a guide slider, a deformable mounting connecting plate is rotatably connected in the guide slider, a connecting fastener for fastening and fixing is fixedly mounted in the mounting connecting plate, and the mounting connecting plate is fixedly connected with the guide slider. And a gas guide connecting seat is fixedly mounted at the gas inlet end of the gas sensor. The gas sensor has the advantages that the mounting connecting plate capable of rotating and deforming is arranged at the top end of the gas sensor, and the guide sliding block and the connecting buckle are arranged at the two ends of the mounting connecting plate respectively to adjust the position of the mounting connecting plate and fix the mounting connecting plate in a buckling manner; the gas sensor can be installed in the tunnel by using an annular closed structure formed by the buckled installation connecting plate and the gas sensor, and the installation connecting plate supports the gas sensor to move through the elastic pulling of the guide sliding block, so that the installation stability between the gas sensor and the tunnel is enhanced, and the installation convenience of the gas sensor is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas monitoring technical field, especially a tunnel gas monitoring device for bridge and tunnel engineering safety management. BACKGROUND

[0002] With the furtherance of tunnel excavation, some specific tunnels will appear toxic and harmful gases, such as methane, carbon monoxide, hydrogen sulfide and other flammable and explosive harmful gases. In order to strengthen the safety management of tunnel construction personnel and do a good job in monitoring and prevention, it is necessary to apply gas detection device in the tunnel.

[0003] However, the existing tunnel gas monitoring device usually needs additional fixing structure and tunnel for fixing when installing, which needs to install the fixing structure according to the size and installation position of the gas monitoring device, resulting in more troublesome installation of the gas monitoring device. UTILITY MODEL CONTENT

[0004] Therefore, the purpose of the utility model is to provide a tunnel gas monitoring device for bridge and tunnel engineering safety management to solve the problems mentioned in the background art and overcome the deficiencies in the prior art.

[0005] In order to achieve the above purpose, the embodiment of the utility model provides a tunnel gas monitoring device for bridge and tunnel engineering safety management, which comprises a gas sensor for converting corresponding gases in the tunnel hole into standard electrical signals and conveying them, an LED numerical display screen inside the gas sensor for displaying monitoring data, an elastic adjusting guide sliding block fixedly installed at the top of the gas sensor, a deformed installation connecting plate rotatably connected inside the guide sliding block, a connecting buckle fixedly installed inside the installation connecting plate for clamping and fixing, a gas inlet end of the gas sensor fixedly installed with a gas guide connecting seat, a flexible adjusting magnetic sphere fixedly installed inside the gas guide connecting seat, and a gas guide pipe fixedly installed at one end of the magnetic sphere for guiding the monitoring gas.

[0006] It is preferred that the gas sensor is provided with an over-limit audible and light alarm for alarming, a power-off protection element for protecting the internal circuit of the gas sensor, and a gas monitoring master control module for controlling the over-limit audible and light alarm and the power-off protection element, and the gas monitoring master control module and the LED numerical display screen are signal connected.

[0007] The gas sensor can continuously and automatically convert corresponding gases in the hole into standard electrical signals and transmit the standard electrical signals to associated equipment, and display the gas concentration value through an LED numerical display screen, and has functions such as over-limit sound-light alarm, power-off function, and over-high-concentration power-off protection carrier catalytic element, and is suitable for fixed use in a dangerous hole excavation face, and the gas sensor can be networked, so that the gas sensor can be independently used or used in conjunction to push the detected gas data to a tunnel hole value room and synchronously to an LED screen, and remote monitoring of the gas monitoring data is realized.

[0008] Preferably, according to any one of the above solutions, the guide sliding block comprises a fastening spring fixedly supported and a guide block movably arranged inside the gas sensor, the fastening spring is fixedly arranged inside the gas sensor, and one end of the fastening spring is fixedly arranged with the guide block movably connected with the gas sensor.

[0009] According to the above technical solution, the guide block is pulled by the fastening spring, the installation connecting plate is deformed and moved, the installation connecting plate is hung on the tunnel, the guide block drives the gas sensor to move by the pulling of the fastening spring, the size of the gas sensor is adjusted according to the size between the installation position of the gas sensor and the tunnel, and the stability of the installation of the gas sensor is ensured.

[0010] Preferably, according to any one of the above solutions, the installation connecting plate comprises a basic connecting plate movably arranged inside the gas sensor, a rotating plate for rotation adjustment, and a connecting plate for closing, the basic connecting plate is rotatably connected to the inside of the guide block, one end of the basic connecting plate is rotatably connected with the rotating plate, one end of the rotating plate is rotatably connected with the connecting plate, one end of the connecting plate is provided with a connecting boss and a connecting groove, and one end of the connecting plate is provided with a positioning glue block for limiting the connecting buckle.

[0011] According to the above technical solution, when the gas sensor needs to be installed, the rotating plate is pulled to drive the connecting plate to rotate, the connecting plate is inserted into the installation position of the tunnel, the connecting plate is fixed by the connecting buckle, the connecting plate, the rotating plate, the basic connecting plate and the gas sensor form a convex letter type structure to suspend and fix the gas sensor, and when the gas sensor does not need to be fixed, the rotating plate and the connecting plate are stored at the top end of the gas sensor and fixed by the connecting buckle, so that the gas sensor itself has an installation and fixing structure, and can be adaptively buckled and fixed, without the need for additional fixing structure to install the gas sensor, and the convenience of installation of the gas sensor can be effectively improved.

[0012] Preferably, according to any of the above solutions, the connecting buckle comprises a supporting connecting spring and a fixing clamping block, the connecting spring is fixedly installed in the inside of the connecting plate, one end of the connecting spring is fixedly installed with the clamping block which is movably connected with the connecting plate, and one end of the clamping block is provided with a poking block penetrating through the connecting plate.

[0013] Preferably, according to any of the above solutions, the one end of the poking block is provided with a plurality of anti-skid grooves, the poking block is movably connected in the inside of the connecting plate, and the poking block is located on one side of the connecting spring.

[0014] The above technical solution is adopted: the poking block is manually poked to drive the clamping block to move, the clamping block drives the connecting spring to deform, the clamping block can be clamped into the inside of the adjacent connecting plate to realize the buckling fixation of the connecting plate, or the clamping block can be moved out of the inside of the connecting plate to enable the connecting plate to freely move, and the position of the connecting plate can be fixed by the positioning rubber block to facilitate the adjustment of the position of the connecting plate.

[0015] Preferably, according to any of the above solutions, the gas guide connecting seat is made of stainless steel alloy, the inside of the gas guide connecting seat is provided with a ball groove for accommodating a magnetic ball, the gas guide pipe is located below the gas guide connecting seat, and the bottom of the magnetic ball is located below the gas guide connecting seat.

[0016] The above technical solution is adopted: the gas guide pipe is used to guide the gas to be monitored in the tunnel into the inside of the magnetic ball, the magnetic ball guides the gas into the inside of the gas sensor through the gas guide connecting seat to monitor the gas data, the direction of the gas guide pipe can be rotated according to the use requirement, the magnetic ball is driven to rotate by the gas guide pipe, the direction of the gas guide pipe is fixed by the magnetic attraction between the magnetic ball and the gas guide connecting seat, different directions of the gas can be monitored, and the installation limitation of the gas sensor is reduced.

[0017] Compared with the prior art, the utility model has the advantages and beneficial effects that:

[0018] 1、The installation connecting plate which can be deformed by rotating is arranged at the top end of the gas sensor, the guide sliding block and the connecting buckle are arranged at both ends of the installation connecting plate respectively to adjust the position of the installation connecting plate and buckle the installation connecting plate, the installation connecting plate and the gas sensor form a ring-shaped closed structure by buckling to install the gas sensor in the inside of the tunnel, the installation connecting plate supports the gas sensor to move by the elastic pulling of the guide sliding block, the stability of the installation between the gas sensor and the tunnel is enhanced, no additional installation structure is needed, and the convenience of the installation of the gas sensor is improved.

[0019] 2. The bottom of the gas sensor is provided with a magnetically fixed adjustable gas guide pipe, the position of the gas guide pipe is adjusted according to the demand of gas monitoring, the flexibility of the direction change of the gas guide pipe is improved, the installation of the gas guide pipe on the gas sensor is avoided to be limited, and the convenience of the installation of the gas sensor is ensured.

[0020] The additional aspects and advantages of the present application will be partially given in the following description, partially will become obvious from the following description, or will be understood by the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0021] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

[0022] Figure 1 is a structural schematic view according to the embodiment of the present application;

[0023] Figure 2 is a partial structural schematic view according to the embodiment of the present application;

[0024] Figure 3 is a structural schematic view according to the embodiment of the present application Figure 2 of the present application;

[0025] Figure 4 is a cross-sectional structural schematic view of the gas sensor according to the embodiment of the present application;

[0026] Figure 5 is a cross-sectional structural schematic view of the connecting plate according to the embodiment of the present application;

[0027] Wherein: 1-gas sensor, 2-LED numerical display screen, 3-guiding sliding block, 31-fastening spring, 32-guiding block, 4-mounting connecting plate, 41-base connecting plate, 42-rotating plate, 43-connecting plate, 5-connecting buckle, 51-connecting spring, 52-clamping block, 6-gas guide connecting seat, 7-magnetic sphere, 8-gas guide pipe, 9-positioning glue block, 10-pushing block. DETAILED DESCRIPTION

[0028] The present application will be further described below in conjunction with the drawings, but the protection scope of the present application is not limited to the following description.

[0029] As Figures 1-5The utility model discloses a tunnel gas monitoring device for bridge and tunnel engineering safety management, including the gas sensor 1 that corresponding gas in tunnel hole is converted into standard electric signal and is transported, the inside fixed mounting of gas sensor 1 has the LED numerical display 2 of display monitoring data, the top fixed mounting of gas sensor 1 has the guiding slide block 3 that can carry out elastic adjustment, the inside rotatory connection of guiding slide block 3 has the installation connecting plate 4 that can carry out deformation, the inside fixed mounting of installation connecting plate 4 has the connecting buckle 5 that carries out buckling fixed, the gas inlet end fixed mounting of gas sensor 1 has the gas guide connecting seat 6, the inside fixed mounting of gas guide connecting seat 6 has the magnetic sphere 7 of flexible adjustment, one end fixed mounting of magnetic sphere 7 has the gas guide pipe 8 of the gas that carries out import.

[0030] It is preferred that the gas sensor 1 is provided with an over-limit audible and light alarm for alarming, a power-off protection element for protecting the internal circuit of the gas sensor 1, and a gas monitoring master control module for controlling the over-limit audible and light alarm and the power-off protection element, and the gas monitoring master control module is signal connected with the LED numerical display 2.

[0031] The gas sensor 1 can continuously and automatically convert the corresponding gas in the hole into a standard electric signal and transmit the standard electric signal to the associated equipment, and display the gas concentration value, the over-limit audible and light alarm, the power-off function, and the over-high-concentration power-off protection carrier catalytic element through the LED numerical display 2. The gas sensor 1 is suitable for being fixedly used in a dangerous hole, can be networked, can be independently used, or can be used in a networked mode to push the detected gas data to a tunnel hole value room and synchronously to an LED screen, and realizes remote monitoring of the data of gas monitoring.

[0032] It is preferred that the guiding slide block 3 comprises a fastening spring 31 for supporting and fixing and a guiding block 32 movably arranged in the gas sensor 1, the fastening spring 31 is fixedly arranged in the gas sensor 1, and one end of the fastening spring 31 is fixedly connected with the guiding block 32 movably arranged in the gas sensor 1.

[0033] The fastening spring 31 is used to pull the guiding block 32, so that the guiding block 32 pulls the installation connecting plate 4 to move, the installation connecting plate 4 is hung on the tunnel, and the fastening spring 31 is used to pull the guiding block 32 to move the gas sensor 1, the size of the gas sensor 1 is adjusted according to the size between the installation position of the gas sensor 1 and the tunnel, and the stability of the installation of the gas sensor 1 is ensured.

[0034] Preferably, the mounting plate 4 includes a base plate 41 that moves inside the gas sensor 1, a rotating plate 42 for rotational adjustment, and a connecting plate 43 for closure. The base plate 41 is rotatably connected to the inside of the guide block 32. One end of the base plate 41 is rotatably connected to the rotating plate 42, and one end of the rotating plate 42 is rotatably connected to the connecting plate 43. One end of the connecting plate 43 is provided with a connecting boss and a connecting groove, and one end of the connecting plate 43 is provided with a positioning rubber block 9 for limiting the connection buckle 5.

[0035] The above technical solution is adopted as follows: When gas sensor 1 needs to be installed, pull the rotating plate 42 to make the connecting plate 43 rotate, insert the connecting plate 43 into the tunnel installation position, and use the connecting buckle 5 to align and fix the connecting plate 43, so that the connecting plate 43, rotating plate 42, base connecting plate 41 and gas sensor 1 form a convex structure to suspend and fix the gas sensor 1. When no fixation is required, the rotating plate 42 and connecting plate 43 can be stored at the top of gas sensor 1 and aligned and fixed using the connecting buckle 5. This gives gas sensor 1 its own installation and fixing structure, which can automatically snap and fix itself without the need for an additional fixing structure to install gas sensor 1, which can effectively improve the convenience of gas sensor 1 installation.

[0036] Preferably, in any of the above embodiments, the connecting buckle 5 includes a supporting connecting spring 51 and a fixing block 52. The connecting spring 51 is fixedly installed inside the connecting plate 43. One end of the connecting spring 51 is fixedly installed with the fixing block 52, which is movably connected to the connecting plate 43. One end of the fixing block 52 is provided with a toggle block 10 that penetrates the connecting plate 43.

[0037] Preferably, one end of the toggle block 10 is provided with several anti-slip grooves, the toggle block 10 is movably connected to the inside of the connecting plate 43, and the toggle block 10 is located on one side of the connecting spring 51.

[0038] The above technical solution is adopted: the toggle block 10 is manually moved, causing the toggle block 10 to drive the locking block 52 to move. The locking block 52 causes the connecting spring 51 to deform, so that the locking block 52 can be locked into the interior of the adjacent connecting plate 43 to achieve fastening and fixing of the connecting plate 43, or it can be moved out of the interior of the connecting plate 43 to allow the connecting plate 43 to move freely. The position of the connecting plate 43 can be limited and fixed by the positioning rubber block 9, which facilitates the adjustment of the position of the connecting plate 43.

[0039] Preferably, in any of the above embodiments, the gas guide connector 6 is made of stainless iron alloy, and the inside of the gas guide connector 6 is provided with a ball groove to accommodate the magnetic ball 7. The gas conduit 8 is located below the gas guide connector 6, and the bottom of the magnetic ball 7 is located below the gas guide connector 6.

[0040] The technical scheme has the following beneficial effects: the gas conduit 8 is used to guide the gas to be monitored in the tunnel into the interior of the magnetic sphere 7, the magnetic sphere 7 guides the gas into the interior of the gas sensor 1 through the gas guiding connecting base 6 to monitor the gas data, the direction of the gas conduit 8 can be rotated according to the requirement of use, the magnetic sphere 7 is rotated by the gas conduit 8, the direction of the gas conduit 8 is fixed by the magnetic attraction between the magnetic sphere 7 and the gas guiding connecting base 6, the gas in different directions can be monitored, and the installation limitation of the gas sensor 1 is reduced.

[0041] The working principle of the tunnel gas monitoring device for bridge and tunnel engineering safety management is as follows:

[0042] The gas conduit 8 is rotated to the required direction, the driving block 10 is slid, the connecting plate 43 and the rotating plate 42 are pulled, the connecting plate 43 is inserted into the top end of the tunnel, the driving block 10 is pushed to drive the clamping block 52 to be inserted into the interior of the connecting plate 43, the guiding block 32 is pulled by the tightening spring 31 to drive the gas sensor 1 to move until fixed.

[0043] Compared with the prior art, the tunnel gas monitoring device has the following beneficial effects:

[0044] 1. The installation connecting plate 4 capable of rotating and deforming is arranged at the top end of the gas sensor 1, the guiding sliding block 3 and the connecting buckle 5 are arranged at the two ends of the installation connecting plate 4 respectively to adjust and buckle the installation connecting plate 4, the installation connecting plate 4 and the gas sensor 1 are buckled to form a ring-shaped closed structure, the gas sensor 1 is installed in the interior of the tunnel, the installation connecting plate 4 is elastically pulled by the guiding sliding block 3 to support the gas sensor 1 to move, the stability of the installation between the gas sensor 1 and the tunnel is enhanced, no additional installation structure is needed, and the convenience of the installation of the gas sensor 1 is improved.

[0045] 2. The adjustable gas conduit 8 fixed by the magnet is arranged at the bottom of the gas sensor 1, the position of the gas conduit 8 is adjusted according to the requirement of gas monitoring, the flexibility of the direction change of the gas conduit 8 is improved, the installation of the gas sensor 1 by the gas conduit 8 is avoided, and the convenience of the installation of the gas sensor 1 is ensured.

Claims

1. A tunnel gas monitoring device for safety management in bridge and tunnel engineering, comprising a gas sensor (1) that converts the corresponding gas inside the tunnel into a standard electrical signal for transmission, wherein an LED numerical display screen (2) for displaying monitoring data is fixedly installed inside the gas sensor (1), characterized in that: The top of the gas sensor (1) is fixedly equipped with an elastically adjustable guide slider (3). The guide slider (3) is rotatably connected to a deformable mounting plate (4). The mounting plate (4) is fixedly equipped with a fastening buckle (5). The gas inlet end of the gas sensor (1) is fixedly equipped with a gas guide connector (6). The gas guide connector (6) is fixedly equipped with a flexibly adjustable magnetic ball (7). One end of the magnetic ball (7) is fixedly equipped with a gas conduit (8) for introducing the monitored gas.

2. The tunnel gas monitoring device for safety management in bridge and tunnel engineering as described in claim 1, characterized in that: The gas sensor (1) is internally equipped with an over-limit audible and visual alarm for alarm purposes, a power-off protection element for protecting the internal circuit of the gas sensor (1), and a gas monitoring main control module for controlling the over-limit audible and visual alarm and the power-off protection element. The gas monitoring main control module is connected to the LED numerical display screen (2).

3. The tunnel gas monitoring device for safety management in bridge and tunnel engineering as described in claim 2, characterized in that: The guide slider (3) includes a fastening spring (31) for support and fixation and a guide block (32) that moves inside the gas sensor (1). The fastening spring (31) is fixedly installed inside the gas sensor (1), and one end of the fastening spring (31) is fixedly installed with the guide block (32) that is movably connected to the gas sensor (1).

4. The tunnel gas monitoring device for safety management in bridge and tunnel engineering as described in claim 3, characterized in that: The mounting plate (4) includes a base plate (41) that moves inside the gas sensor (1), a rotating plate (42) for rotation adjustment, and a connecting plate (43) for closing. The base plate (41) is rotatably connected to the inside of the guide block (32). One end of the base plate (41) is rotatably connected to the rotating plate (42), and one end of the rotating plate (42) is rotatably connected to the connecting plate (43). One end of the connecting plate (43) is provided with a connecting boss and a connecting groove, and one end of the connecting plate (43) is provided with a positioning rubber block (9) for limiting the connecting buckle (5).

5. A tunnel gas monitoring device for safety management in bridge and tunnel engineering as described in claim 4, characterized in that: The connecting buckle (5) includes a supporting connecting spring (51) and a fixing block (52). The connecting spring (51) is fixedly installed inside the connecting plate (43). One end of the connecting spring (51) is fixedly installed with a fixing block (52) that is movably connected to the connecting plate (43). One end of the fixing block (52) is provided with a toggle block (10) that penetrates the connecting plate (43).

6. The tunnel gas monitoring device for safety management in bridge and tunnel engineering as described in claim 5, characterized in that: The actuating block (10) has several anti-slip grooves at one end. The actuating block (10) is movably connected to the inside of the connecting plate (43). The actuating block (10) is located on one side of the connecting spring (51).

7. A tunnel gas monitoring device for safety management in bridge and tunnel engineering as described in claim 6, characterized in that: The gas guide connector (6) is made of stainless iron alloy. The gas guide connector (6) has a groove inside to accommodate the magnetic ball (7). The gas conduit (8) is located below the gas guide connector (6). The bottom of the magnetic ball (7) is located below the gas guide connector (6).

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