CN220891906U

CN220891906U - Device for detecting harmful gas leakage

Info

Publication number: CN220891906U
Application number: CN202322797651.5U
Authority: CN
Inventors: 范爱红; 高亮
Original assignee: Shanxi Kangyisheng Technology Co ltd
Current assignee: Shanxi Kangyisheng Technology Co ltd
Priority date: 2023-10-18
Filing date: 2023-10-18
Publication date: 2024-05-03
Anticipated expiration: 2033-10-18

Abstract

The utility model relates to the field of safety protection of chemical plants, in particular to a device for detecting harmful gas leakage, which comprises a fixed main frame, wherein one end of the fixed main frame is rotatably connected with a fixed auxiliary frame, the upper ends of the fixed main frame and the fixed auxiliary frame are provided with a suction mechanism, and the device also comprises a triggering mechanism for triggering a switch of the device; through above-mentioned technical scheme, if the pipeline appears when gas leakage, the both sides blowout of pipeline adapter is followed to gas, because the cooperation of two take out the shell frame is almost whole circular, can spray the groove of taking out the shell frame after gas blowout like this, through the scalability of telescopic link and the elasticity of thin spring, spun gas can make take out the shell frame and shift backward to make it trigger the switch, thereby make audible alarm send the police dispatch newspaper, the suction purifying structure of cooperation suction mechanism and the electric connection of switch again, the suction purifying structure of suction mechanism also can be opened simultaneously, can deal with the gas leakage of most positions in an area of pipeline through this.

Description

Device for detecting harmful gas leakage

Technical Field

The utility model relates to the field of safety protection of chemical plants, in particular to a device for detecting harmful gas leakage.

Background

Chemical plants are factories which are engaged in chemical industry, are mostly built according to water, and often, a sufficient water source can attract more chemical enterprises, and the chemical plants also can produce a large amount of harmful gases which are generally conveyed through pipelines so as to facilitate subsequent purification treatment.

The device for detecting leakage of harmful gas in a chemical plant is provided with an air suction assembly, when the gas leaks, an induction motor is automatically started, the induction motor drives a driving shaft to rotate, the driving shaft drives a fan to rotate, the fan blows the harmful gas to a connecting pipe, the gas enters into a gas storage tank through the connecting pipe, the harmful gas can be sucked into the gas storage tank at the first time, people can not evacuate after the gas leaks, and the gas is harmful to the body of a worker after being diffused outwards.

If the position of the harmful gas conveying pipeline which is easy to leak is the gas leakage, the more accurate leakage position is difficult to manually estimate, so that the induction motor is easy to cause the phenomenon that the induction motor cannot timely react, and excessive leakage of the gas is caused.

Disclosure of utility model

The present utility model has been made to solve the above problems, and an object of the present utility model is to provide a device for detecting leakage of a harmful gas.

The technical scheme adopted by the utility model is as follows:

The device for detecting the harmful gas leakage comprises a fixed main frame, wherein one end of the fixed main frame is rotatably connected with a fixed auxiliary frame, the upper ends of the fixed main frame and the fixed auxiliary frame are provided with a suction mechanism for purifying the harmful gas, and the device also comprises a triggering mechanism for triggering a switch of the device;

The trigger mechanism comprises a plurality of telescopic rods, the telescopic rods are fixed on the inner walls of the two sides of the fixed main frame and the fixed auxiliary frames, four shell drawing frames are fixed at the telescopic ends of the telescopic rods, fine springs are arranged on the periphery of each telescopic rod, switches are fixed on the upper ends of the inner walls of the two sides of the fixed main frame and the inner walls of the two sides of the fixed auxiliary frames, and sound alarm devices are electrically connected to the upper ends of the switches.

Preferably: two of the four shell drawing frames are positioned on one side of the fixed main frame and one side of the fixed auxiliary frame, and the other two shell drawing frames are positioned on the other sides of the fixed main frame and the fixed auxiliary frame.

Preferably: the shell drawing frame is made of lighter plastic materials, and an open traction channel is arranged at the upper end of the shell drawing frame.

Preferably: bolts are arranged at the lower ends of the fixed main frame and the fixed auxiliary frame.

Preferably: the fixed main frame and the fixed auxiliary frame are fixed by the bolts and the corresponding nuts.

Preferably: the suction mechanism comprises four fixing plates, the four fixing plates are respectively fixed at the upper ends of the fixing main frame and the fixing auxiliary frame, a suction purifier is installed at the upper end of the fixing plate, the input end of the suction purifier corresponds to the opening of the drawing channel of the suction shell frame, and the suction purifier is electrically connected with the switch.

The beneficial effects are that: after the device is fixed on the pipeline, if the pipeline leaks, gas is sprayed out from two sides of the pipeline pipe connector, and as the two pumping frames are matched to be almost in a whole round shape, the gas can be sprayed into a groove of the pumping frame after being sprayed out, the pumping frame can be moved backwards through the scalability of the telescopic rod and the elasticity of the thin spring, so that the gas can trigger the switch, the sounding alarm can give out an alarm, and the pumping purifying structure of the pumping mechanism is matched with the electrical connection of the switch, and meanwhile, the pumping purifying structure of the pumping mechanism can be opened, so that the gas leakage of most positions in one area of the pipeline can be dealt with.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain, without limitation, the utility model. In the drawings:

FIG. 1 is a schematic view showing the structure of an apparatus for detecting leakage of harmful gas according to the present utility model;

FIG. 2 is a schematic diagram of the triggering mechanism of the device for detecting the leakage of the harmful gas according to the present utility model;

FIG. 3 is an enlarged view of the apparatus for detecting leakage of harmful gases of FIG. 2 according to the present utility model;

Fig. 4 is a schematic structural view of a suction mechanism of a device for detecting leakage of harmful gas according to the present utility model.

The reference numerals are explained as follows:

1. Fixing a main frame; 12. fixing the subframe; 13. a bolt; 14. a rubber pad; 2. a trigger mechanism; 21. a telescopic rod; 22. a shell drawing frame; 23. a thin spring; 24. a switch; 25. a sound alarm; 3. a suction mechanism; 31. a fixing plate; 32. suction cleaner.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships as described based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

The utility model is further illustrated by the following examples in connection with the accompanying drawings.

As shown in fig. 1 to 4, a device for detecting leakage of harmful gas comprises a fixed main frame 1, wherein one end of the fixed main frame 1 is rotatably connected with a fixed auxiliary frame 12, the upper ends of the fixed main frame 1 and the fixed auxiliary frame 12 are provided with a suction mechanism 3 for purifying the harmful gas, and the device also comprises a triggering mechanism 2 for triggering a switch of the device.

In this embodiment, bolts 13 are disposed at the lower ends of the fixing main frame 1 and the fixing sub-frame 12, the fixing main frame 1 and the fixing sub-frame 12 are fixed by the bolts 13 in combination with corresponding nuts, and rubber pads 14 are fixed on the circular arc inner walls of the corresponding ends of the fixing main frame 1 and the fixing sub-frame 12; through the rotation connection of the fixed main frame 1 and the fixed auxiliary frame 12, the fixed main frame 1 and the fixed auxiliary frame 12 can be opened from the lower end, and the fixed main frame 1 and the fixed auxiliary frame 12 can be matched and fixed by matching corresponding nuts with bolts 13.

In this embodiment, the triggering mechanism 2 includes a plurality of telescopic rods 21, the telescopic rods 21 are fixed on the inner walls of the two sides of the fixed main frame 1 and the fixed auxiliary frame 12, four casing pulling frames 22 are fixed at the telescopic ends of the telescopic rods 21, two of the four casing pulling frames 22 are positioned on one side of the fixed main frame 1 and one side of the fixed auxiliary frame 12, the other two casing pulling frames 22 are positioned on the other side of the fixed main frame 1 and the other side of the fixed auxiliary frame 12, the casing pulling frames 22 are made of lighter plastic materials, an open traction channel is arranged at the upper end of the casing pulling frames 22, a thin spring 23 is arranged at the periphery of each telescopic rod 21, a switch 24 is fixed at the upper end of the inner walls of the two sides of the fixed main frame 1 and the fixed auxiliary frame 12, and a sounding alarm 25 is electrically connected to the upper end of the switch 24; when the device is installed on a pipeline and gas leaks, the gas is sprayed out from two sides of the pipeline pipe connector, and as the two shell-drawing frames 22 are matched almost in a whole circle, the gas can be sprayed into the grooves of the shell-drawing frames 22 after being sprayed out, and the sprayed gas can enable the shell-drawing frames 22 to move backwards through the scalability of the telescopic rods 21 and the elasticity of the thin springs 23, so that the switch 24 is triggered, and the audible alarm 25 gives an alarm.

In this embodiment, the suction mechanism 3 includes four fixing plates 31, the four fixing plates 31 are respectively fixed at the upper ends of the fixing main frame 1 and the fixing sub-frame 12, the upper ends of the fixing plates 31 are provided with suction cleaners 32, the input ends of the suction cleaners 32 correspond to the openings of the traction channels of the suction frame 22, and the suction cleaners 32 are electrically connected with the switches 24; through the electrical connection between the suction cleaner 32 and the switch 24, when the switch 24 is triggered to open, the suction cleaner 32 can be started to perform suction cleaning operation.

Working principle: before the device is installed, the bolts 13 and nuts are removed, the fixed main frame 1 and the fixed auxiliary frame 12 are opened, the lower ends of the fixed main frame 1 and the fixed auxiliary frame 12 are opened, the fixed main frame and the fixed auxiliary frame are sleeved at the connecting position of the pipeline, the connecting structure of the pipeline is located at the middle position of the device, the bolts 13 are reset after the fixed main frame and the fixed auxiliary frame 12 are installed, the corresponding nuts are screwed on, so that the fixed main frame 1 and the fixed auxiliary frame 12 are fixed on the pipeline, when the device is installed on the pipeline, gas is sprayed out from two sides of a pipeline pipe connector after the pipeline is leaked, as the two shell-drawing frames 22 are matched into a nearly whole round shape, the gas can be sprayed into a groove of the shell-drawing frame 22 after being sprayed out, the sprayed gas can enable the shell-drawing frame 22 to move backwards through the retractile of the telescopic rod 21 and the elasticity of the thin spring 23, thereby triggering the switch 24, thereby enabling the sounding alarm 25 to give an alarm, and enabling the corresponding suction purifier 32 to start the suction purification operation after the switch 24 is triggered to be opened.

While the preferred embodiments of the present utility model have been described in detail with reference to the drawings, the present utility model is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present utility model within the knowledge of those skilled in the art.

Claims

1. The utility model provides a device for detecting harmful gas leakage, includes fixed body frame (1), fixed body frame (1) one end rotates and is connected with fixed subframe (12), fixed body frame (1) and fixed subframe (12) upper end are installed and are used for purifying harmful gas's pumping mechanism (3), its characterized in that: the device also comprises a triggering mechanism (2) for triggering the device switch;

The trigger mechanism (2) comprises a plurality of telescopic rods (21), the telescopic rods (21) are fixed on the inner walls of the two sides of the fixed main frame (1) and the fixed auxiliary frames (12), four shell drawing frames (22) are fixed at the telescopic ends of the telescopic rods (21), fine springs (23) are arranged on the periphery of each telescopic rod (21), switches (24) are fixed on the upper ends of the inner walls of the two sides of the fixed main frame (1) and the fixed auxiliary frames (12), and sounding alarms (25) are electrically connected to the upper ends of the switches (24).

2. The apparatus for detecting leakage of harmful gas according to claim 1, wherein: two of the four shell drawing frames (22) are positioned on one side of the fixed main frame (1) and one side of the fixed auxiliary frame (12), and the other two shell drawing frames (22) are positioned on the other sides of the fixed main frame (1) and the fixed auxiliary frame (12).

3. The apparatus for detecting leakage of harmful gas according to claim 1, wherein: the shell drawing frame (22) is made of lighter plastic materials, and an open traction channel is arranged at the upper end of the shell drawing frame (22).

4. The apparatus for detecting leakage of harmful gas according to claim 1, wherein: the lower ends of the fixed main frame (1) and the fixed auxiliary frame (12) are provided with bolts (13).

5. The apparatus for detecting leakage of harmful gas according to claim 4, wherein: the fixing main frame (1) and the fixing auxiliary frame (12) are fixed by the bolts (13) in cooperation with corresponding nuts.

6. The apparatus for detecting leakage of harmful gas according to claim 1, wherein: the suction mechanism (3) comprises four fixing plates (31), the four fixing plates (31) are respectively fixed at the upper ends of the fixing main frame (1) and the fixing auxiliary frame (12), a suction purifier (32) is installed at the upper end of the fixing plate (31), the input end of the suction purifier (32) corresponds to the opening of the drawing channel of the suction shell frame (22), and the suction purifier (32) is electrically connected with the switch (24).