CN112229968A

CN112229968A - Novel lifting type gas detection detector and use method thereof

Info

Publication number: CN112229968A
Application number: CN202011438423.3A
Authority: CN
Inventors: 董元新; 周君
Original assignee: Hunan Saixi Technology Co ltd
Current assignee: Hunan Saixi Technology Co ltd
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2021-01-15
Anticipated expiration: 2040-12-11
Also published as: CN112229968B

Abstract

The invention discloses a novel lifting gas detection detector and a using method thereof, belonging to the field of detectors, the novel lifting gas detection detector comprises a gas detector, wherein the left end and the right end of the gas detector are fixedly connected with support lugs, the lower end of the gas detector is fixedly connected with a connector, the lower end of the connector is connected with a probe assembly, the probe assembly can be effectively driven to lift through the matching of a pneumatic assembly and a contraction assembly, the probe assembly can be far away from and close to a sealing assembly to form the dynamic of ventilation and air-tightness, the gas detector can be effectively controlled for a plurality of times in time to detect gas in the chemical production process through the probe assembly, the damage rate of an electric control device in the gas detector is reduced, the service life of the gas detector is prolonged, and a completely sealed environment is formed on the probe assembly through the sealing, the detection precision of the gas detector is effectively improved, and data statistics in the chemical production process is facilitated.

Description

Novel lifting type gas detection detector and use method thereof

Technical Field

The invention relates to the field of detectors, in particular to a novel lifting type gas detection detector and a using method thereof.

Background

The gas detector is an instrument for detecting gas concentration, and is called a gas detector for short. The instrument is suitable for dangerous places with combustible or toxic gas, and can continuously detect the content of the detected gas in the air within the lower explosion limit for a long time. The device can be widely applied to various industries with combustible or toxic gas such as gas, petrochemical industry, metallurgy, steel, coking, electric power and the like, and is an ideal monitoring instrument for ensuring property and personal safety.

The gas detector adopts high-performance-resistant catalytic combustion type and electrochemical type gas sensors as detection elements, the product has high sensitivity and quick response time, and the product is an aluminum die-cast one-step formed shell, has high explosion-proof level and is convenient to install. The gas detector can detect: combustible gas: natural gas (methane), liquefied gas (isobutane, propane), gas (hydrogen), acetylene, pentane, alkynes, alkenes, alcohol, acetone, toluene, alcohols, hydrocarbons, light oil, and the like. Toxic gases: carbon monoxide, hydrogen sulfide, ammonia gas, chlorine gas, oxygen, phosphine, sulfur dioxide, hydrogen chloride, chlorine dioxide and other toxic and harmful gases.

The gas detector can be frequently used in the chemical industry, and because some gases can be used or generated in the chemical production process, the concentration of the gases needs to be detected, the condition of the production process is judged, and the emission of toxic and harmful gases is prevented. However, in the existing chemical industry, when the gas concentration is detected, the gas condition in the production process often needs to be detected for multiple times according to time intervals, at present, a switch is adopted to control the gas detector to be started and closed, and the gas detector is easily damaged by frequently closing and starting the gas detector, so that the service life of the gas detector is shortened.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide a novel lifting type gas detection detector and a using method thereof, the lifting type gas detection detector can effectively drive a probe assembly to lift through the cooperation of a pneumatic assembly and a contraction assembly, the probe assembly can be far away from and close to a sealing assembly to form the dynamic of ventilation and air closing, the gas detector can be effectively controlled to detect gas in the chemical production process through the probe assembly for many times according to time periods, the damage rate of an electric control device in the gas detector is reduced, the service life of the gas detector is prolonged, a completely closed environment is formed for the probe assembly through the sealing assembly, the detection precision of the gas detector is effectively improved, and data statistics in the chemical production process is facilitated.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

A novel lifting type gas detection detector comprises a gas detector, wherein supporting lugs are fixedly connected to the left end and the right end of the gas detector, a connector is fixedly connected to the lower end of the gas detector, a probe assembly is connected to the lower end of the connector, an air inlet box is connected to the outer end of the probe assembly, a pneumatic assembly and a contraction assembly are connected to the left end and the right end of the probe assembly, the pneumatic assembly is located on the lower side of the contraction assembly, and a sealing assembly matched with the probe assembly is connected to the lower inner wall of the air inlet box;

the probe assembly comprises an adapter, the upper end of the adapter is communicated with a connector, the lower end of the adapter penetrates through the air inlet box and is fixedly connected with the air inlet box, the lower end of the adapter is fixedly connected with a telescopic pipe communicated with the adapter, the lower end of the telescopic pipe is fixedly connected with a probe communicated with the telescopic pipe, and the upper end of the probe is fixedly connected with a connecting plate;

both ends all seted up elongated hole about the inlet box, it is downthehole all to extend to elongated hole to link both ends about the board to with elongated hole sliding connection. Cooperate through pneumatic component and shrink subassembly, effectively drive probe subassembly and produce the lift, probe subassembly can keep away from and be close to the seal subassembly, form the developments of ventilating and closing gas, effectively realize controlling gas detector many times according to the period and detect the gas in the chemical production process through probe subassembly, reduce the spoilage of automatically controlled device in the gas detector, improve gas detector's life, and form totally enclosed environment through the seal subassembly to probe subassembly, effectively improve gas detector's detection precision, be convenient for the data statistics among the chemical production process.

Furthermore, the inside fixedly connected with baffle of inlet box, the probe lower extreme runs through the baffle to with baffle sliding connection, a plurality of inlet ports have been seted up to the inlet box lower extreme. The gas entering the air inlet box is separated through the partition plate, so that the probe can detect the gas, the probability of gas leakage is reduced, and the safety in the detection process is improved.

Further, the pneumatic assembly comprises an air bag, the inner wall of the elongated hole is fixedly provided with the air bag, the upper end of the air bag is fixedly connected with the connecting plate, and the outer end of the air bag is fixedly connected with an air pipe communicated with the air bag. Ventilate and the gassing to the gasbag through the trachea, effectively change the length of gasbag, make the gasbag can effectively drive even board and produce the lift, easy operation, the control of being convenient for to the gasbag cost is lower, has higher stability, effectively improves gas detector's economic benefits.

Further, shrink subassembly is including expanding spring, inner wall fixedly connected with expanding spring on the slot, the square board of expanding spring lower extreme fixedly connected with, square board lower extreme and even board fixed connection. The telescopic spring provides power for the descending of the connecting plate and generates continuous pressure on the connecting plate, so that when the probe is matched with the sealing assembly, the continuous sealing of the probe is effectively ensured, and the sealing performance of the probe is improved.

Furthermore, the sealing assembly comprises a sealing plate, the lower inner part of the air inlet box is fixedly connected with the sealing plate, and the upper end of the sealing plate is provided with a slot matched with the probe. The probe is inserted into the slot, and the lower end of the probe is sealed through the mutual matching of the sealing plate and the slot, so that the probe is effectively sealed, and the next detection precision of the gas detector is effectively improved.

Furthermore, the lower end of the probe is fixedly connected with a screen plate, and the upper end of the closing plate is fixedly connected with a cleaning block matched with the screen plate. The otter board filters the gas that gets into in the probe, effectively avoids impurity such as dust to get into the probe in, influences gas detector's detection precision, and the cleaning block bonds remaining dust on to the otter board, effectively cleans the otter board, improves the life of otter board, reduces the maintenance number of times.

Furthermore, the closing plate is made of rubber, and the cleaning block is made of cleaning clay. The rubber and the clean clay are both the existing and popular materials, so that the price is low, the replacement is convenient, and the manufacturing cost of the sealing component is effectively reduced.

Furthermore, the supporting lug is connected with a mounting assembly, the mounting assembly comprises a supporting plate, the left end and the right end of the air inlet box are fixedly connected with the supporting plate, the upper end of the supporting plate is fixedly connected with a supporting rod, and the supporting rod is in threaded connection with the supporting lug through a bolt. Carry out further stability to gas detector through the installation component, effectively guarantee gas detector's stability.

Furthermore, a plurality of mounting holes are formed in the upper end of the support plate, and the support plate is located on the lower side of the elongated hole. The extension board passes through the mounting hole and is connected with chemical production equipment, is convenient for fix the inlet box, makes things convenient for gas detector's dismouting, is convenient for regularly maintain gas detector.

In addition, the invention also discloses a use method of the novel lifting type gas detection detector, which comprises the following steps:

s1, inflating a pneumatic assembly to enable the pneumatic assembly to continuously drive a probe to ascend through a connecting plate and compress a contraction assembly to enable the lower end of the probe to be separated from a sealing assembly;

s2, gas generated in the chemical production process enters an air inlet box and enters a probe, so that a gas detector starts to detect the gas and reflects the data of the detected gas;

s3, after the gas detector finishes detection, the pneumatic assembly is deflated, and the contraction assembly generates restoring force to push the connecting plate to descend so that the probe slides downwards;

and S4, the lower end of the probe moves onto a sealing assembly, the sealing assembly seals the probe, gas in the gas inlet box is prevented from entering the probe, and the gas detector stops detecting.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) this scheme is through the cooperation of pneumatic subassembly and shrink subassembly, it produces the lift effectively to drive probe subassembly, probe subassembly can keep away from and be close to the seal subassembly, form the developments of ventilating and closing gas, effectively realize controlling gas detector many times according to the period and passing through the gas of probe subassembly detection chemical production in-process, reduce the spoilage of automatically controlled device in the gas detector, improve gas detector's life, and form totally enclosed environment through the seal subassembly to probe subassembly, effectively improve gas detector's detection precision, be convenient for the data statistics among the chemical production process.

(2) The gas entering the air inlet box is separated through the partition plate, so that the probe can detect the gas, the probability of gas leakage is reduced, and the safety in the detection process is improved.

(3) Ventilate and the gassing to the gasbag through the trachea, effectively change the length of gasbag, make the gasbag can effectively drive even board and produce the lift, easy operation, the control of being convenient for to the gasbag cost is lower, has higher stability, effectively improves gas detector's economic benefits.

(4) The telescopic spring provides power for the descending of the connecting plate and generates continuous pressure on the connecting plate, so that when the probe is matched with the sealing assembly, the continuous sealing of the probe is effectively ensured, and the sealing performance of the probe is improved.

(5) The probe is inserted into the slot, and the lower end of the probe is sealed through the mutual matching of the sealing plate and the slot, so that the probe is effectively sealed, and the next detection precision of the gas detector is effectively improved.

(6) The otter board filters the gas that gets into in the probe, effectively avoids impurity such as dust to get into the probe in, influences gas detector's detection precision, and the cleaning block bonds remaining dust on to the otter board, effectively cleans the otter board, improves the life of otter board, reduces the maintenance number of times.

(7) The rubber and the clean clay are both the existing and popular materials, so that the price is low, the replacement is convenient, and the manufacturing cost of the sealing component is effectively reduced.

(8) Carry out further stability to gas detector through the installation component, effectively guarantee gas detector's stability.

(9) The extension board passes through the mounting hole and is connected with chemical production equipment, is convenient for fix the inlet box, makes things convenient for gas detector's dismouting, is convenient for regularly maintain gas detector.

Drawings

FIG. 1 is a schematic view of an axial structure of the present invention;

FIG. 2 is a schematic view of an internal axis measurement configuration of the present invention;

FIG. 3 is a schematic sectional view of the assembled front view of the present invention;

FIG. 4 is a schematic diagram of the structure at A in FIG. 3 according to the present invention;

FIG. 5 is a schematic diagram of the structure of FIG. 3 at B in accordance with the present invention;

FIG. 6 is a schematic view of the probe assembly, pneumatic assembly and retraction assembly cooperating axial structure of the present invention;

FIG. 7 is a schematic view of the shaft structure of the air inlet box and the probe assembly of the present invention;

FIG. 8 is a schematic axial view of the closure assembly of the present invention;

FIG. 9 is a schematic view of the pneumatic assembly axial structure of the present invention;

FIG. 10 is a flow chart of the method of the present invention.

The reference numbers in the figures illustrate:

the device comprises a gas detector 1, a support lug 101, a connector 102, a gas inlet box 2, a partition plate 201, an elongated hole 202, a gas inlet hole 203, a probe assembly 3, a 301 adapter, a 302 telescopic pipe 303, a probe 303, a 304 mesh plate, a 305 connecting plate, a pneumatic assembly 4, an air bag 401, an air pipe 402, a 5 contraction assembly, a 501 telescopic spring, a 502 square plate, a 6 mounting assembly, a 601 support plate, a 602 support rod, a 7 sealing assembly, a 701 sealing plate, a 702 inserting groove and a 703 cleaning block.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-10, a novel lifting gas detection detector, includes a gas detector 1, the left and right ends of the gas detector 1 are both fixedly connected with a support lug 101, the lower end of the gas detector 1 is fixedly connected with a connector 102, the lower end of the connector 102 is connected with a probe assembly 3, the outer end of the probe assembly 3 is connected with an air inlet box 2, the left and right ends of the probe assembly 3 are connected with a pneumatic assembly 4 and a contraction assembly 5, the pneumatic assembly 4 is located at the lower side of the contraction assembly 5, and the lower inner wall of the air inlet box 2 is connected with a sealing assembly 7 matched with the probe assembly; referring to fig. 6, the probe assembly 3 includes an adapter 301, the upper end of the adapter 301 is connected to the connector 102, the lower end of the adapter 301 penetrates through the air intake box 2 and is fixedly connected to the air intake box 2, the lower end of the adapter 301 is fixedly connected to a telescopic tube 302 connected to the adapter, the lower end of the telescopic tube 302 is fixedly connected to a probe 303 connected to the telescopic tube 302, and the upper end of the probe 303 is fixedly connected to a connecting plate 305; referring to fig. 7, the air intake box 2 has a long hole 202 formed at both left and right ends thereof, and the connecting plate 305 has both left and right ends thereof extending into the long hole 202 and slidably connected to the long hole 202. Cooperate through pneumatic component 4 and shrink subassembly 5, effectively drive probe assembly 3 and produce the lift, probe assembly 3 can keep away from and be close to seal subassembly 7, form the developments of ventilating and closing gas, effectively realize controlling gas detector 1 according to the period a lot of and detect the gas in the chemical production process through probe assembly 3, reduce the spoilage of automatically controlled device in the gas detector 1, improve gas detector 1's life, and form totally enclosed environment to probe assembly 3 through seal subassembly 7, effectively improve gas detector 1's detection precision, be convenient for the data statistics among the chemical production process.

Referring to fig. 7, a partition 201 is fixedly connected inside the air intake box 2, the lower end of the probe 303 penetrates through the partition 201 and is slidably connected with the partition 201, and a plurality of air intake holes 203 are formed in the lower end of the air intake box 2. The gas entering the air inlet box 2 is blocked by the partition plate 201, so that the probability of gas leakage is reduced while the probe 303 can detect the gas, and the safety in the detection process is improved.

Referring to fig. 9, the pneumatic assembly 4 includes an air bag 401, the air bag 401 is fixedly mounted on the lower inner wall of the elongated hole 202, the upper end of the air bag 401 is fixedly connected to the connecting plate 305, and the outer end of the air bag 401 is fixedly connected to an air pipe 402 connected thereto. Ventilate and the gassing to gasbag 401 through trachea 402, effectively change the length of gasbag 401, make gasbag 401 can effectively drive even board 305 and produce and go up and down, easy operation, the control of being convenient for to gasbag 401 cost is lower, has higher stability, effectively improves gas detector 1's economic benefits.

Referring to fig. 6, the retraction assembly 5 includes a retractable spring 501, the upper inner wall of the elongated hole 202 is fixedly connected with the retractable spring 501, the lower end of the retractable spring 501 is fixedly connected with a square plate 502, and the lower end of the square plate 502 is fixedly connected with the connecting plate 305. The extension spring 501 provides power for the descending of the connecting plate 305 and generates continuous pressure on the connecting plate 305, so that when the probe 303 is matched with the closing assembly 7, the continuous sealing of the probe 303 is effectively ensured, and the sealing performance of the probe 303 is improved.

Referring to fig. 8, the sealing assembly 7 includes a sealing plate 701, the lower interior of the air inlet box 2 is fixedly connected with the sealing plate 701, and the upper end of the sealing plate 701 is provided with a slot 702 matched with the probe 303. The probe 303 is inserted into the slot 702, and the lower end of the probe 303 is sealed through the mutual matching of the closing plate 701 and the slot 702, so that the probe 303 is effectively sealed, and the next detection precision of the gas detector 1 is effectively improved.

Referring to fig. 5, the lower end of the probe 303 is fixedly connected with a screen 304, and the upper end of the closing plate 701 is fixedly connected with a cleaning block 703 matched with the screen 304. The screen plate 304 filters gas entering the probe 303, so that impurities such as dust and the like are effectively prevented from entering the probe 303 to affect the detection precision of the gas detector 1, the cleaning block 703 bonds residual dust on the screen plate 304, the screen plate 304 is effectively cleaned, the service life of the screen plate 304 is prolonged, and the maintenance frequency is reduced.

Referring to fig. 8, the closing plate 701 is made of rubber, and the cleaning block 703 is made of cleaning clay. The rubber and the clean clay are both the existing and popular materials, so that the price is low, the replacement is convenient, and the manufacturing cost of the sealing component 7 is effectively reduced.

Referring to fig. 1 and 2, the support lug 101 is connected with the mounting assembly 6, the mounting assembly 6 includes a support plate 601, the left and right ends of the intake box 2 are both fixedly connected with the support plate 601, the upper end of the support plate 601 is fixedly connected with a support rod 602, and the support rod 602 is in threaded connection with the support lug 101 through a bolt. Further stabilization is carried out to gas detector 1 through installation component 6, effectively guarantees gas detector 1's stability.

Referring to fig. 1-3, a plurality of mounting holes are formed at the upper end of the strip 601, and the strip 601 is located at the lower side of the elongated hole 202. The support plate 601 is connected with the chemical production equipment through the mounting hole, so that the air inlet box 2 is convenient to fix, the gas detector 1 is convenient to disassemble and assemble, and the gas detector 1 is convenient to maintain regularly.

Referring to fig. 1-10, the installation method: insert the chemical production equipment with 2 lower extremes of inlet box, the mounting hole on extension board 601 falls into fixing bolt, makes inlet box 2 fix on chemical production equipment, is connected trachea 402 and air pump assembly, makes gas detector 1 can detect the gas in the chemical production equipment.

The using method comprises the following steps: when gas needs to be detected, the air pipe 402 is used for ventilating the air bag 401, so that the length of the air bag 401 is continuously increased, the air bag 401 pushes the connecting plate 305 to move upwards, and the connecting plate 305 compresses the expansion spring 501 through the square plate 502; the connecting plate 305 drives the probe 303 to ascend, so that the telescopic pipe 302 is compressed, the probe 303 is separated from the closing plate 701, and the gas detector 1 absorbs gas in the gas inlet box 2 through the probe 303 and detects the gas;

after the detection is finished, air in the air bag 401 is pumped out through the air pipe 402, so that the length of the air bag 401 is continuously shortened, the extension spring 501 generates restoring force, and the restoring force acts on the connecting plate 305 through the square plate 502 to drive the connecting plate 305 to descend; the lower end of the probe 303 is inserted into the slot 702, and the probe 303 is sealed through the action of the slot 702 and the sealing plate 701; the cleaning block 703 cleans the screen plate 304 to adhere dust on the screen plate 304.

Example 2:

referring to fig. 1 to 10, wherein the same or corresponding components as those in embodiment 1 are designated by the same reference numerals as those in embodiment 1, only the points different from embodiment 1 will be described below for the sake of convenience. This example 2 differs from example 1 in that: referring to fig. 10, a method for using a novel lifting gas detection detector includes the following steps:

s1, inflating the pneumatic assembly 4 to enable the pneumatic assembly 4 to continuously drive the probe 303 to ascend through the connecting plate 305, and compressing the contraction assembly 5 to enable the lower end of the probe 303 to be separated from the sealing assembly 7;

s2, gas generated in the chemical production process enters the air inlet box 2 and enters the probe 303, so that the gas detector 1 starts to detect the gas and reflects the data of the detected gas;

s3, after the gas detector 1 finishes detection, the pneumatic assembly 4 is deflated, and the contraction assembly 5 generates restoring force to push the connecting plate 305 to descend so that the probe 303 slides downwards;

s4, the lower end of the probe 303 moves to the sealing assembly 7, the sealing assembly 7 seals the probe 303, gas in the gas inlet box 2 is prevented from entering the probe 303, and the gas detector 1 stops detecting.

The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a novel gaseous detector that detects of over-and-under type, includes gas detector (1), the equal fixedly connected with journal stirrup (101) in both ends about gas detector (1), gas detector (1) lower extreme fixedly connected with connector (102), its characterized in that: the lower end of the connector (102) is connected with a probe assembly (3), the outer end of the probe assembly (3) is connected with an air inlet box (2), the left end and the right end of the probe assembly (3) are connected with a pneumatic assembly (4) and a contraction assembly (5), the pneumatic assembly (4) is positioned on the lower side of the contraction assembly (5), and the lower inner wall of the air inlet box (2) is connected with a sealing assembly (7) matched with the probe assembly (3);

the probe assembly (3) comprises an adapter (301), the upper end of the adapter (301) is communicated with a connector (102), the lower end of the adapter (301) penetrates through the air inlet box (2) and is fixedly connected with the air inlet box (2), the lower end of the adapter (301) is fixedly connected with a telescopic pipe (302) communicated with the adapter, the lower end of the telescopic pipe (302) is fixedly connected with a probe (303) communicated with the telescopic pipe, and the upper end of the probe (303) is fixedly connected with a connecting plate (305);

both ends all seted up elongated hole (202) about inlet box (2), both ends all extend to elongated hole (202) about even board (305) in to with elongated hole (202) sliding connection.

2. The novel lift gas detection probe of claim 1, wherein: the air inlet box is characterized in that a partition plate (201) is fixedly connected inside the air inlet box (2), the lower end of the probe (303) penetrates through the partition plate (201) and is in sliding connection with the partition plate (201), and a plurality of air inlet holes (203) are formed in the lower end of the air inlet box (2).

3. The novel lift gas detection probe of claim 1, wherein: pneumatic module (4) including gasbag (401), inner wall fixed mounting has gasbag (401) under rectangular hole (202), gasbag (401) upper end and even board (305) fixed connection, gasbag (401) outer end fixedly connected with rather than trachea (402) of putting through mutually.

4. The novel lift gas detection probe of claim 1, wherein: shrink subassembly (5) are including expanding spring (501), inner wall fixedly connected with expanding spring (501) on slotted hole (202), square board (502) of expanding spring (501) lower extreme fixedly connected with, square board (502) lower extreme and even board (305) fixed connection.

5. The novel lift gas detection probe of claim 1, wherein: the sealing assembly (7) comprises a sealing plate (701), the lower inner part of the air inlet box (2) is fixedly connected with the sealing plate (701), and the upper end of the sealing plate (701) is provided with a slot (702) matched with the probe (303).

6. The novel lift gas detection probe of claim 5, wherein: the lower end of the probe (303) is fixedly connected with a screen plate (304), and the upper end of the closing plate (701) is fixedly connected with a cleaning block (703) matched with the screen plate (304).

7. The novel lift gas detection probe of claim 6, wherein: the closing plate (701) is made of rubber, and the cleaning block (703) is made of cleaning clay.

8. The novel lift gas detection probe of claim 1, wherein: be connected with installation component (6) on journal stirrup (101), installation component (6) are including extension board (601), equal fixedly connected with extension board (601) in both ends about inlet box (2), extension board (601) upper end fixedly connected with branch (602), branch (602) pass through bolt and journal stirrup (101) threaded connection.

9. The lift type gas detecting detector as claimed in claim 8, wherein: a plurality of mounting holes are formed in the upper end of the support plate (601), and the support plate (601) is located on the lower side of the elongated hole (202).

10. The use method of the novel lifting type gas detection detector as claimed in claim 1, characterized in that: the method comprises the following steps:

s1, inflating a pneumatic assembly (4) to enable the pneumatic assembly (4) to continuously drive a probe (303) to ascend through a connecting plate (305) and compress a contraction assembly (5) to enable the lower end of the probe (303) to be separated from a sealing assembly (7);

s2, gas generated in the chemical production process enters the air inlet box (2) and enters the probe (303), so that the gas detector (1) starts to detect the gas and reflects the data of the detected gas;

s3, after the gas detector (1) finishes detection, the pneumatic assembly (4) is deflated, and the contraction assembly (5) generates restoring force to push the connecting plate (305) to descend so that the probe (303) slides downwards;

s4, the lower end of the probe (303) moves onto the sealing component (7), the sealing component (7) seals the probe (303), gas in the gas inlet box (2) is prevented from entering the probe (303), and the gas detector (1) stops detecting.