CN212622461U

CN212622461U - Harmful gas monitoring and alarm device for tunnel

Info

Publication number: CN212622461U
Application number: CN202020910388.XU
Authority: CN
Inventors: 任秋记; 宣晓东; 寇慧慧; 张东明; 尚东辉; 史春宇; 李慧鹏; 康飞; 魏涛; 马高荣
Original assignee: CCCC First Highway Engineering Co Ltd; CCCC Tunnel Engineering Co Ltd
Current assignee: CCCC First Highway Engineering Co Ltd; CCCC Tunnel Engineering Co Ltd
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2021-02-26
Anticipated expiration: 2030-05-26

Abstract

The utility model discloses a harmful gas monitoring and alarm device for tunnel relates to tunnel construction technical field. The utility model discloses a protective housing, link, string component and fixture block, monitoring and alarm device body are put in the inside of protective housing, and the top of protective housing is fixed with the link, and the link is triangular distribution, all hangs on the link and is equipped with the string component, and the corner of protective housing four sides and the equal swing joint in center department at top and bottom edge have the fixture block. The utility model discloses outside at monitoring and alarm device body is provided with the protective housing, through the effect of protective housing, not influencing monitoring and the inside gas of alarm device normal monitoring tunnel, also can prevent dust to monitoring and alarm device well, prolonged monitoring and alarm device's life, be favorable to monitoring and the more permanent use of alarm device, more convenient and practical, the dismantlement mode of protective housing is very simple and easy moreover, convenient operation, very labour saving and time saving, convenient to popularize and use.

Description

Harmful gas monitoring and alarm device for tunnel

Technical Field

The utility model belongs to the technical field of the tunnel construction, especially, relate to a harmful gas monitoring and alarm device for tunnel.

Background

Tunnels are common in all large traffic networks in China, are particularly located near mountainous areas, are frequent, can damage geological structures during tunnel construction, easily generate a large amount of substances such as gas, dust and the like, and particularly damage the land to enable harmful gas at the bottom of the ground to leak in the underground tunnel construction process, so that the health of workers is harmed. Therefore, for the security of tunnel construction, harmful gas monitoring and alarm device for the tunnel has appeared on the market now, can in time make the early warning to the tunnel, the security of construction has been improved, but current harmful gas monitoring and alarm device generally is direct mount on the roof in tunnel, in construction and use, can produce very big dust, harmful gas monitoring and alarm device advances the ash very easily, during the use, can not prevent dust well, the life of device has been influenced, and also be convenient for the maintenance, can't satisfy the demand in the in-service use, so urgent need can the modified technique on the market, in order to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a harmful gas monitoring and alarm device is used in tunnel through the setting of protective housing and the fixed mode of suspension type, has solved current harmful gas monitoring and alarm device, during the use, can not prevent dust well, has influenced the life of device, the problem of also inconvenient maintenance moreover.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a harmful gas monitoring and alarm device are used in tunnel, including protective housing, link, string component and fixture block, monitoring and alarm device body are put in the inside of protective housing, the top of protective housing is fixed with the link, and the link is triangular distribution, all hang on the link and be equipped with the string component, the equal swing joint in the corner of protective housing four sides and the center department at top and bottom edge has the fixture block.

Furthermore, the protective housing includes box, first apron and second apron, the front and the back of box all block and cover first apron, the both sides face of box all block and cover the second apron, through covering first apron and second apron block in the side of box, the four sides of closed box that can be good.

Further, first logical groove has all been seted up at the front and the back of box, is located first logical groove outside first side groove has all been seted up at the front and the back of box, and the size in first side groove is identical with the size of first apron, the second logical groove has all been seted up to the both sides face of box, is located the second logical groove outside the second side groove has all been seted up to the both sides face of box, and the size in second side groove is identical with the size of second apron, through the setting in first side groove for the box has the mounting structure who matches with first apron from the area, is convenient for install first apron, through the setting in second side groove, makes the box have the mounting structure who matches with the second apron from the area, is convenient for install the second apron.

Furthermore, the first cover plate comprises a first frame, a first gauze net and a first rubber ring, the first gauze net is fixed inside the first frame, a circle of the first rubber ring is fixed outside the first frame, and the first cover plate can be clamped and covered more tightly through the arrangement of the first rubber ring.

Furthermore, the second cover plate comprises a second frame, a second gauze net and a second rubber ring, the second gauze net is fixed inside the second frame, a circle of the second rubber ring is fixed outside the second frame, and the second cover plate can be clamped and covered more tightly through the arrangement of the second rubber ring.

Furthermore, a threaded hole and a screw are formed in the connecting plate at the top of the hanging member, the screw penetrates through the threaded hole, the hanging member is fixedly connected with the top wall of the tunnel through the screw, and the protective box can be hung through the hanging member.

Further, the fixture block includes bearing and blend stop, the bearing is fixed on the lateral wall of box, bearing swing joint has the blend stop, and the angle scope of blend stop activity is 0-90, through the fixture block, can consolidate first apron and second apron.

The utility model discloses following beneficial effect has:

1. the utility model discloses be provided with the protective housing in the outside of monitoring and alarm device body, through the effect of protective housing, not influencing monitoring and the inside gas of alarm device normal monitoring tunnel, also can prevent dust monitoring and alarm device well, prolonged monitoring and alarm device's life, be favorable to monitoring and the more permanent use of alarm device, more convenient and practical.

2. The utility model discloses put monitoring and alarm device body in the inside of protecting box, and the protecting box passes through the link and hangs the component suspension type and fix on the tunnel roof, during the maintenance, conveniently directly takes off the whole protecting box that is equipped with monitoring and alarm device body, later maintains, the later maintenance of being convenient for again.

3. The utility model discloses overhaul, when changing monitoring and alarm device body or when installing monitoring and alarm device body, rotate the fixture block through the counter-clockwise, lift first apron and second apron again, just can open the protective housing openly, the back and both sides face, convenient maintenance, change monitoring and alarm device body or the installation operation of monitoring and alarm device body, the fixed mode of this kind of fixture block, make the dismantlement mode of protective housing very simple and easy, convenient operation, very labour saving and time saving, convenient to popularize and use.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a front view of the harmful gas monitoring and alarming device for tunnel of the present invention;

FIG. 2 is a side view of the harmful gas monitoring and alarming device for tunnel of the present invention;

FIG. 3 is a front view of the box body of the present invention;

FIG. 4 is a side view of the box of the present invention;

FIG. 5 is a view showing a structure of a first cover plate according to the present invention;

FIG. 6 is a structural diagram of a second cover plate of the present invention;

FIG. 7 is a partial structure view of the box body of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

2. a protective box; 21. a box body; 211. a first through groove; 212. a first side groove; 213. a second through groove; 214. a second side groove; 22. a first cover plate; 221. a first frame; 222. a first gauze mesh; 223. a first rubber ring; 23. a second cover plate; 231. a second frame; 232. a second gauze mesh; 233. a second rubber ring; 3. hanging a ring; 4. a hanging member; 41. a threaded hole; 42. a screw; 5. a clamping block; 51. a bearing; 52. And (6) blocking strips.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Please refer to fig. 1-7, the utility model relates to a harmful gas monitoring and alarm device for tunnel, including protective housing 2, link 3, hang component 4 and fixture block 5, the monitoring and alarm device body is put in protective housing 2's inside, utilize protective housing 2, can play dustproof effect well to alarm device body 1, protective housing 2's top is fixed with link 3, and link 3 is the triangular distribution, this kind of triangular distribution mode, can more stable fixed protective housing 2, and then improved the stability of monitoring and alarm device body, hang component 4 on the link 3 all, through hanging component 4, can fixed protective housing 2 of suspension type, reach the purpose of fixed monitoring and alarm device body, the corner of protective housing 2 four sides and the equal swing joint in center department at upper and lower edge have fixture block 5.

As shown in fig. 1-2, the protection box 2 includes a box body 21, a first cover plate 22 and a second cover plate 23, the first cover plate 22 is covered on the front and back of the box body 21, the second cover plate 23 is covered on both sides of the box body 21, the monitoring and alarm device body can be well protected inside the protection box 2 by covering the first cover plate 22 and the second cover plate 23 on the sides of the box body 21, and the monitoring and alarm device is more beneficial to long-term use.

As shown in fig. 3-4, the front and back of the box body 21 are both provided with a first through groove 211, the front and back of the box body 21 outside the first through groove 211 are both provided with a first side groove 212, and the size of the first side groove 212 matches with the size of the first cover plate 22, by placing the two first cover plates 22 into the front and rear first side grooves 212 of the case 21, namely, the first through grooves 211 formed on the front and back of the box body 21 can be well covered, the second through grooves 213 are formed on both side surfaces of the box body 21, the second side grooves 214 are formed on both side surfaces of the box body 21 located outside the second through grooves 213, and the size of the second side grooves 214 is matched with the size of the second cover plate 23, the two second cover plates 23 are respectively placed in the second side grooves 214 on the front and back sides of the box body 21, so that the second through grooves 213 formed on the front and back sides of the box body 21 can be well covered.

As shown in fig. 5, the first cover plate 22 includes a first frame 221, a first gauze 222 and a first rubber ring 223, the first gauze 222 is fixed inside the first frame 221, and the first cover plate 22 is provided with a dustproof structure by the arrangement of the first gauze 222, so that dust can be prevented from entering the protective box 2 when the front and the back of the protective box 2 allow air to enter and exit the protective box 2, and the monitoring and alarm device body inside the protective box 2 is not easily damaged, thereby prolonging the service life of the monitoring and alarm device, the outer edge of the first frame 221 is fixed with a circle of the first rubber ring 223, and by the arrangement of the first rubber ring 223, when the first cover plate 22 is clamped into the first edge groove 212, the first cover plate 22 can be well in close contact with the inner wall of the first edge groove 212, thereby facilitating clamping the first cover plate 22, and making the first cover plate 22 not easily loosen.

As shown in fig. 6, the second cover plate 23 includes a second frame 231, a second gauze 232 and a second rubber ring 233, the second gauze 232 is fixed inside the second frame 231, the second cover plate 23 is provided with a dustproof structure by the arrangement of the second gauze 232, and when the two side faces of the protective box 2 allow gas to enter and exit the protective box 2, dust can be prevented from entering the protective box 2, so that the monitoring and alarming device body inside the protective box 2 is not easy to damage, the service life of the monitoring and alarming device is prolonged, the outer edge of the second frame 231 is fixed with a circle of the second rubber ring 233, and by the arrangement of the second rubber ring 233, when the second cover plate 23 is clamped into the second side groove 214, the second cover plate 23 can be well in close contact with the inner wall of the second side groove 214, so that the second cover plate 23 can be clamped, and the second cover plate 23 is not easy to loosen.

As shown in fig. 7, a connection plate at the top of the hanging member 4 is provided with a threaded hole 41 and a screw 42, the screw 42 traverses through the threaded hole 41, the hanging member 4 forms a fixed connection with the top wall of the tunnel through the screw 42, the hanging member 4 is sequentially installed corresponding to the position of the hanging ring 3 on the protective box 2, when the hanging member 4 is installed, the screw 42 directly traverses through the screw 42 and is driven into the top wall of the tunnel, so that the connection plate of the hanging member 4 forms a fixed connection with the top wall of the tunnel, the hanging member 4 can be installed, and the hanging member 4 can be matched with the protective box 2 for use through the arrangement of the hanging member 4, thereby being convenient for hanging the monitoring and alarming device.

The fixture block 5 comprises a bearing 51 and a barrier 52, the bearing 51 is fixed on the side wall of the box body 21, the bearing 51 is movably connected with the barrier 52, and the movable angle range of the barrier 52 is 0-90 degrees, when in use, the horizontal barrier 52 is driven by the bearing 51 to rotate clockwise and be vertical, so that the first cover plate 22 and the second cover plate 23 can be pressed in the first side groove 212 and the second side groove 214, the first cover plate 22 and the second cover plate 23 are convenient to reinforce, the firmness of the first cover plate 22 and the second cover plate 23 is enhanced, when the monitoring and alarming device body is overhauled and replaced or is installed, the vertical barrier 52 on the front surface, the back surface and the two side surfaces of the protection box 2 are sequentially rotated anticlockwise and horizontally by the drive of the bearing 51, namely, the first cover plate 22 and the second cover plate 23 can be lifted, so that the front surface, the back surface and the two side surfaces of the protection box 2 can be conveniently opened, the monitoring and alarming device body is convenient to overhaul and replace or the installation operation of the monitoring and alarming device body is carried out, and the operation is very simple.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a harmful gas monitoring and alarm device for tunnel, includes protecting box (2), link (3), hangs component (4) and fixture block (5), its characterized in that: monitoring and alarm device body are put in the inside of protective housing (2), the top of protective housing (2) is fixed with link (3), and link (3) are triangular distribution, it hangs and is equipped with string component (4) all to hang on link (3), the equal swing joint in the center department of the corner of protective housing (2) four sides and upper and lower edge has fixture block (5).

2. The harmful gas monitoring and alarming device for the tunnel according to claim 1, wherein the protective box (2) comprises a box body (21), a first cover plate (22) and a second cover plate (23), the first cover plate (22) is clamped and covered on the front surface and the back surface of the box body (21), and the second cover plate (23) is clamped and covered on the two side surfaces of the box body (21).

3. The harmful gas monitoring and alarming device for the tunnel according to claim 2, wherein the front and the back of the box body (21) are both provided with a first through groove (211), the front and the back of the box body (21) positioned outside the first through groove (211) are both provided with a first side groove (212), the size of the first side groove (212) is matched with that of the first cover plate (22), the two side surfaces of the box body (21) are both provided with a second through groove (213), the two side surfaces of the box body (21) positioned outside the second through groove (213) are both provided with a second side groove (214), and the size of the second side groove (214) is matched with that of the second cover plate (23).

4. The harmful gas monitoring and alarming device for the tunnel according to claim 2, wherein the first cover plate (22) comprises a first frame (221), a first gauze net (222) and a first rubber ring (223), the first gauze net (222) is fixed inside the first frame (221), and the first rubber ring (223) is fixed outside the first frame (221).

5. The harmful gas monitoring and alarming device for the tunnel according to claim 2, wherein the second cover plate (23) comprises a second frame (231), a second gauze net (232) and a second rubber ring (233), the second gauze net (232) is fixed inside the second frame (231), and a circle of the second rubber ring (233) is fixed outside the second frame (231).

6. The harmful gas monitoring and alarming device for the tunnel according to claim 1, wherein a threaded hole (41) and a screw (42) are formed in a connecting plate at the top of the hanging member (4), the screw (42) penetrates through the threaded hole (41), and the hanging member (4) is fixedly connected with the top wall of the tunnel through the screw (42).

7. The harmful gas monitoring and alarming device for the tunnel according to claim 1, wherein the fixture block (5) comprises a bearing (51) and a barrier strip (52), the bearing (51) is fixed on the side wall of the box body (21), the barrier strip (52) is movably connected to the bearing (51), and the movable angle range of the barrier strip (52) is 0-90 degrees.