阅读说明：本技术 一种汽车涂装车间焚烧炉中的可燃气体检测装置 (Combustible gas detection device in incinerator of automobile coating workshop ) 是由 王军 于 2021-07-12 设计创作，主要内容包括：本发明公开了一种汽车涂装车间焚烧炉中的可燃气体检测装置,包括机壳,所述机壳的顶端靠中部安装有显示屏,所述显示屏的顶端安装有表壳,所述机壳的底端靠中部安装有连通管,所述机壳的一侧靠中部安装有警报器,所述机壳的后端安装有挂载板,所述表壳的底端安装有底板,且底板位于表壳与显示屏之间,所述底板的内壁四周均安装有螺孔座,所述表壳的内壁四周安装均安装有卡座,相对一侧两组所述卡座之间均安装有支杆,两组所述支杆的底端均安装有橡胶；本发明一种汽车涂装车间焚烧炉中的可燃气体检测装置提供了简洁固定装置,方便后续的拆卸再次使用,同时增加了显示屏顶端外侧的清洁结构,便于后续的直接观察。(The invention discloses a combustible gas detection device in an incinerator of an automobile coating workshop, which comprises a casing, wherein a display screen is arranged at the top end of the casing close to the middle part, a casing is arranged at the top end of the display screen, a communicating pipe is arranged at the bottom end of the casing close to the middle part, an alarm is arranged at one side of the casing close to the middle part, a hanging support plate is arranged at the rear end of the casing, a bottom plate is arranged at the bottom end of the casing and positioned between the casing and the display screen, screw hole seats are arranged around the inner wall of the bottom plate, clamping seats are arranged around the inner wall of the casing, supporting rods are arranged between two groups of clamping seats at the opposite side, and rubber is arranged at the bottom ends of the two groups of supporting rods; the combustible gas detection device in the incinerator of the automobile coating workshop, provided by the invention, provides a simple fixing device, so that the device is convenient for subsequent disassembly and reuse, and meanwhile, a cleaning structure at the outer side of the top end of a display screen is added, so that the device is convenient for subsequent direct observation.)

1. The utility model provides a combustible gas detection device in automobile coating workshop incinerator which characterized in that: comprises a casing (5), wherein the top end of the casing (5) is provided with a display screen (2) by the middle part, the top end of the display screen (2) is provided with a watch case (3), the bottom end of the casing (5) is provided with a communicating pipe (1) by the middle part, one side of the casing (5) is provided with an alarm (4) by the middle part, the rear end of the casing (5) is provided with a hanging support plate (6), the bottom end of the watch case (3) is provided with a bottom plate (10), the bottom plate (10) is positioned between the watch case (3) and the display screen (2), the inner wall of the bottom plate (10) is provided with screw hole seats (7) all around, the inner wall of the watch case (3) is provided with clamping seats (8) all around, two groups of opposite sides are provided with supporting rods (9) between the clamping seats (8), the bottom ends of the two groups of the supporting rods (9) are provided with rubber plates (11), the bottom end of the watch case (3) is provided with sliding blocks (12) by two sides, and the slide block (12) is positioned between the watchcase (3) and the bottom plate (10);

hang support plate (6) one side and lean on the top to install sector plate (24), the opposite side of hanging support plate (6) is installed and is blocked strip (21), sector plate (24) are kept away from one side of hanging support plate (6) and are installed splint (25), and splint (25) lean on between the top with relative one side of hanging support plate (6) and install spring (22), rectangular channel (23) have all been seted up by the middle part to the bottom of hanging support plate (6) and splint (25).

2. The combustible gas detection device in an incinerator of an automobile paint shop according to claim 1, wherein: the utility model discloses a rubber mat, including communicating pipe (1), pipe (15), pipe (13), runner (17), rubber mat (16) are installed to the inner wall top of communicating pipe (1), pipe (15) are installed on the top of communicating pipe (1), install between the inner wall both ends of runner (17), the outside of montant (13) is by mid-mounting has commentaries on classics ball (19), two sets of flabellum (14) are installed in the outside of commentaries on classics ball (19), mouth of pipe (20) have been seted up to the bottom of communicating pipe (1).

3. The combustible gas detection device in an incinerator of an automobile paint shop according to claim 1, wherein: fixed pipe is all installed to the top both sides of casing (5), and two sets of fixed pipes are the symmetry setting, and two sets of fixed pipe middle parts all are the fretwork form, and the circular slot has all been seted up to the one end that leans on two sets of fixed pipes in the both sides of casing (5).

4. The combustible gas detection device in an incinerator of an automobile paint shop according to claim 1, wherein: the inside mounting of casing (5) has gas sensor, and the top fixed connection of communicating pipe (1) is in the inside bottom of casing (5), and the sealed film of junction installation of the top of communicating pipe (1) and casing (5).

5. The combustible gas detection device in an incinerator of an automobile paint shop according to claim 1, wherein: screws are installed on the outer sides of the four groups of screw hole seats (7) in a penetrating mode, the rear end of the bottom plate (10) is fixedly connected to the top end of the machine shell (5) through the four groups of screw hole seats (7) and the screws, and the four groups of screw hole seats (7) are arranged in a centrosymmetric mode in pairs.

6. The combustible gas detection device in an incinerator of an automobile paint shop according to claim 5, wherein: the top of bottom plate (10) leans on the outside of two sets of sliders (12) to all seted up the spout, and the bottom of watchcase (3) is passed through slider (12) and spout swing joint on the top of bottom plate (10), and watchcase (3) all are the ring form setting with bottom plate (10).

7. The combustible gas detection device in the incinerator of the automobile paint shop according to claim 1, wherein the combustible gas detection device in the incinerator of the automobile paint shop is specifically used by the following steps:

the method comprises the following steps: firstly, one side of a hanging and carrying plate (6) is fixed at the rear end of a machine shell (5) through a clamping strip (21) and a clamping groove arranged at the rear end of the machine shell (5), at the moment, a clamping plate (25) moves towards one side, one end of the clamping plate (25) is supported by a fan-shaped plate (24) which is close to the top of one side opposite to the hanging and carrying plate (6) to rotate towards one side, the machine shell (5) is placed at a proper position by utilizing a gap between the hanging and carrying plate (6) and the clamping plate (25), a spring (22) is connected and installed between the hanging plate (6) and the clamping plate (25), one side of the clamping plate (25) is pulled to one side of the hanging plate (6) by utilizing the resilience characteristic to form the clamping function, further fixing the casing (5) at a proper position of the workshop through the clamping function, after the fixation is finished, a rope is tied through a rectangular groove (23) formed in the bottom ends of the mounting plate (6) and the clamping plate (25), and the clamping range is further limited;

step two: after the casing (5) is installed, the pipeline of the incinerator is connected into the inside of a pipe orifice (20) arranged at the bottom end of the communicating pipe (1), when fuel enters the inside of the communicating pipe (1) through the nozzle (20), the sliding pipe (17) positioned inside the communicating pipe (1) is jacked up to the upper end, thereby enabling both sides of the top end of the slide pipe (17) to contact the rubber pad (16) and enabling the rubber pad (16) to make a sound, meanwhile, in the process of moving the two sides of the sliding pipe (17) up and down, the two sides of the inner wall of the communicating pipe (1) are scraped by utilizing the two groups of scrapers (18), and in the process of rising the gas, blowing the fan blades (14) positioned on the two sides of the vertical rod (13) to enable the two groups of fan blades (14) to start rotating with the rising air through the rotating balls (19) to accelerate the rising speed of the air, and finally enabling the air to enter the inner part of the shell (5) through the guide pipe (15);

step three: the rising gas enters the shell (5), the gas is detected by the gas sensor, the content of the gas is ensured to be below the safe explosion limit value, when the standard is exceeded, the alarm (4) gives out warning sound, and the detected value is displayed through the display screen (2), because the rear end of the bottom plate (10) is fixed at the top end of the display screen (2) through four groups of screw hole seats (7) and screws in advance, the top end of the watchcase (3) is arranged at the outer side of the display screen (2), when the detected value needs to be checked, the watch case (3) is rotated to move at the top end of the display screen (2) through the bottom end sliding block (12) and the sliding groove arranged at the top end of the bottom plate (10), in the rotating process, two groups of supporting rods (9) arranged between the inner walls of the watchcase (3) rotate along with the rotation, and then the outer side of the top end of the display screen (2) is scraped and cleaned by utilizing the rubber plate (11) arranged at the bottom end.

Technical Field

The invention relates to the field of detection devices, in particular to a combustible gas detection device in an incinerator of an automobile coating workshop.

Background

In the automobile coating production process, an automobile needs to be painted by a painting device, and the paint is dried in a baking oven at the temperature of below 300 ℃, wherein the content of a gaseous organic solvent in the paint is as follows: toluene, xylene, butanol, butyl acetate, cyclohexanone, butyl cellosolve, etc., the contents of which must be controlled below the safe explosion limit value in order to ensure the safe operation of the incinerator.

The combustible gas detection device in the incinerator of the existing automobile painting workshop has certain disadvantages in use, and after the detection is finished, the outer side of the combustible gas detection device in the incinerator of the existing automobile painting workshop is generally stuck with some black and gray coke shells, so that the data of the detection cannot be directly viewed, and meanwhile, the combustible gas detection device is short of a cleaning structure and has use defects; when the existing combustible gas detection device in the incinerator of the automobile painting workshop is connected with a combustion pipe of the incinerator, whether gas correctly enters the detection device cannot be determined, so that the measured value is inaccurate and is not beneficial to use; the combustible gas detection device in the incinerator of the existing automobile painting workshop is usually fixed on a wall through bolts in the installation process, and the mode is difficult to use again in subsequent disassembly, so that certain influence is brought to actual use.

Disclosure of Invention

The invention aims to provide a combustible gas detection device in an incinerator of an automobile coating workshop, which solves the problems that after the detection of the combustible gas detection device in the incinerator of the existing automobile coating workshop is finished, the outer side of the combustible gas detection device is usually stuck with some black and gray coke shells, so that the detection data cannot be directly viewed, and meanwhile, the combustible gas detection device is short of a cleaning structure and has use defects; when the existing combustible gas detection device in the incinerator of the automobile painting workshop is connected with a combustion pipe of the incinerator, whether gas correctly enters the detection device cannot be determined, so that the measured value is inaccurate and is not beneficial to use; the combustible gas detection device in the incinerator of the existing automobile painting workshop is usually fixed on a wall through bolts in the installation process, and the mode is difficult to detach in the follow-up process and is not beneficial to the technical problem of reuse.

The purpose of the invention can be realized by the following technical scheme:

a combustible gas detection device in an incinerator of an automobile painting workshop comprises a casing, wherein a display screen is arranged at the top end of the casing close to the middle part, a meter shell is arranged at the top end of the display screen, a communicating pipe is arranged at the bottom end of the casing close to the middle part, an alarm is arranged at one side of the casing close to the middle part, a hanging support plate is arranged at the rear end of the casing, a bottom plate is arranged at the bottom end of the meter shell and is positioned between the meter shell and the display screen, screw hole seats are arranged on the periphery of the inner wall of the bottom plate, clamping seats are arranged on the periphery of the inner wall of the meter shell, support rods are arranged between two clamping seats on the opposite side, rubber plates are arranged at the bottom ends of the two groups of support rods, sliders are arranged on the two sides of the bottom end of the meter shell and are positioned between the meter shell and the bottom plate;

hang support plate one side and lean on the top to install the sector plate, the opposite side of hanging the support plate is installed the card strip, the sector plate is kept away from one side of hanging the support plate and is installed splint, and splint and the relative one side of hanging the support plate lean on installing the spring between the top, the bottom of hanging the support plate and splint leans on the middle part to all seted up the rectangular channel.

As a further scheme of the invention, a sliding pipe is installed inside the communicating pipe, scrapers are installed on two sides of the sliding pipe, rubber pads are installed on the top end of the inner wall of the communicating pipe close to two sides, a guide pipe is installed on the top end of the communicating pipe, a vertical rod is installed between two ends of the inner wall of the sliding pipe, a rotating ball is installed on the outer side of the vertical rod close to the middle, two sets of fan blades are installed on the outer side of the rotating ball, and a pipe orifice is formed in the bottom end of the communicating pipe.

As a further scheme of the invention, the two sides of the top end of the machine shell are both provided with fixed pipes, the two groups of fixed pipes are symmetrically arranged, the middle parts of the two groups of fixed pipes are hollow out, and the two sides of the machine shell close to one end of the two groups of fixed pipes are both provided with circular grooves.

As a further scheme of the invention, the gas sensor is arranged in the shell, the top end of the communicating pipe is fixedly connected to the bottom end in the shell, and the sealing rubber sheet is arranged at the joint of the top end of the communicating pipe and the shell.

As a further scheme of the invention, screws are installed on the outer sides of the four groups of screw hole seats in a penetrating manner, the rear end of the bottom plate is fixedly connected to the top end of the machine shell through the four groups of screw hole seats and the screws, and the four groups of screw hole seats are arranged in a centrosymmetric manner two by two.

As a further scheme of the invention, the top end of the bottom plate is provided with sliding grooves close to the outer sides of the two groups of sliding blocks, the bottom end of the watchcase is movably connected to the top end of the bottom plate through the sliding blocks and the sliding grooves, and the watchcase and the bottom plate are arranged in a circular ring shape.

The invention has the beneficial effects that:

1. one side of the hanging and carrying plate is fixed at the rear end of the casing through a clamping groove formed by a clamping strip and the rear end of the casing, the clamping plate is moved to one side at the moment, one end of the clamping plate, which is close to the top fan-shaped plate at one side opposite to the hanging and carrying plate, supports one end of the clamping plate to rotate to one side, the casing is placed at a proper position through a gap between the hanging and carrying plate and the clamping plate, a spring is connected and installed between the hanging and carrying plate and the clamping plate, one side of the clamping plate is pulled to one side of the hanging and carrying plate through the resilience characteristic to form the clamping function, the casing is fixed at a proper position in a workshop through the clamping function, after the fixing is completed, a rope is tied through a rectangular groove formed at the bottom ends of the hanging and carrying plate, the clamping range is further limited, the fixing stability is improved, different fixing structures are provided through the arrangement of the hanging and carrying plate, compared with the common bolt fixing, the fixing process is simplified, and meanwhile, the punching is not needed, the subsequent disassembly and maintenance are facilitated, and the subsequent replacement site is more convenient to use;

2. by connecting the pipeline of the incinerator into the inside of the pipe orifice arranged at the bottom end of the communicating pipe, when fuel enters the inside of the communicating pipe through the pipe orifice, the sliding pipe positioned in the communicating pipe can be jacked up to the upper end, thereby enabling the two sides of the top end of the sliding pipe to contact the rubber cushion to make the rubber cushion sound, and simultaneously, during the process of moving up and down, two groups of scrapers are utilized to scrape and rub two sides of the inner wall of the communicating pipe, and in the process of rising the gas, blowing the fan blades on the two sides of the vertical rod to make the two groups of fan blades start rotating with the rising air through the rotating balls, thereby accelerating the rising speed of the gas, finally entering the interior of the casing by using the guide pipe, and being capable of instantly judging whether the connection is successful or not when the slide pipe is arranged and connected with the incinerator pipeline, meanwhile, in the process of connection transmission, the circulation of gas is accelerated, and the accuracy of a test value is ensured;

3. the rear end through the bottom plate is fixed on the top of the display screen through four groups of screw hole seats and screws, so that the top end of the watchcase is arranged outside the display screen, when a detection value needs to be checked, the watchcase is rotated to enable the watchcase to move on the top end of the display screen through the bottom slider and the sliding groove formed in the top end of the bottom plate, in the rotating process, two groups of supporting rods installed between the inner wall of the watchcase rotate along with rotation, the top outer side of the display screen is cut and scraped to be clean by utilizing a rubber plate installed at the bottom end, the two groups of supporting rods are fixed through the clamping seats, the connecting mode is simple, subsequent disassembly and maintenance are facilitated, the outer side of the display screen is cleaned at the end of detection through the watchcase, barriers are reduced when observation, and the detected value can be seen more visually.

Drawings

FIG. 1 is a schematic view showing the overall structure of a combustible gas detection device in an incinerator of an automobile paint shop according to the present invention;

FIG. 2 is a sectional view showing the structure of a wristwatch case of a combustible gas detecting device in an incinerator of an automobile paint shop according to the present invention;

FIG. 3 is a cross-sectional view showing the structure of a communicating pipe in the combustible gas detecting apparatus in the incinerator of the automobile paint shop according to the present invention;

FIG. 4 is a cross-sectional view of a structure of a hanging plate of a combustible gas detection device in an incinerator of an automobile coating workshop according to the present invention;

FIG. 5 is a plan view of the whole of a combustible gas detection device in an incinerator of an automobile paint shop according to the present invention.

In the figure: 1. a communicating pipe; 2. a display screen; 3. a watch case; 4. an alarm; 5. a housing; 6. hanging a support plate; 7. a screw hole seat; 8. a card holder; 9. a strut; 10. a base plate; 11. a rubber plate; 12. a slider; 13. a vertical rod; 14. a fan blade; 15. a conduit; 16. a rubber pad; 17. a slide pipe; 18. a squeegee; 19. rotating the ball; 20. a pipe orifice; 21. clamping the strip; 22. a spring; 23. a rectangular groove; 24. a sector plate; 25. and (4) clamping the plate.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a combustible gas detection device in an incinerator of an automobile painting workshop comprises a casing 5, a display screen 2 is mounted near the middle of the top end of the casing 5, a meter shell 3 is mounted at the top end of the display screen 2, a communicating pipe 1 is mounted near the middle of the bottom end of the casing 5, an alarm 4 is mounted near the middle of one side of the casing 5, a hanging support plate 6 is mounted at the rear end of the casing 5, a bottom plate 10 is mounted at the bottom end of the meter shell 3, the bottom plate 10 is located between the meter shell 3 and the display screen 2, screw hole seats 7 are mounted around the inner wall of the bottom plate 10, clamping seats 8 are mounted around the inner wall of the meter shell 3, supporting rods 9 are mounted between two groups of clamping seats 8 on the opposite side, rubber plates 11 are mounted at the bottom ends of the two groups of supporting rods 9, sliding blocks 12 are mounted at the bottom end of the meter shell 3 near both sides, and the sliding blocks 12 are located between the meter shell 3 and the bottom plate 10;

the fan-shaped plate 24 is installed on one side of the hanging and carrying plate 6 close to the top end, the clamping strip 21 is installed on the other side of the hanging and carrying plate 6, the clamping plate 25 is installed on one side, away from the hanging and carrying plate 6, of the fan-shaped plate 24, the spring 22 is installed between the clamping plate 25 and the top portion of the opposite side of the hanging and carrying plate 6 close to the top portion, and the rectangular grooves 23 are formed in the middle portions of the bottom ends of the hanging and carrying plate 6 and the clamping plate 25.

The inside of communicating pipe 1 installs slide 17, and scraper blade 18 is all installed to slide 17's both sides, and rubber mat 16 is installed by both sides on communicating pipe 1's inner wall top, and pipe 15 is installed on communicating pipe 1's top, installs montant 13 between slide 17's the inner wall both ends, and the outside of montant 13 is by mid-mounting to have a commentaries on classics ball 19, and two sets of flabellums 14 are installed in the outside of commentaries on classics ball 19, and mouth of pipe 20 has been seted up to communicating pipe 1's bottom.

Fixed pipe is all installed to the top both sides of casing 5, and two sets of fixed pipes are the symmetry setting, and two sets of fixed pipe middle parts all are the fretwork form, and the circular slot has all been seted up to the both sides of casing 5 by the one end of two sets of fixed pipes, and the fixed pipe that sets up has increased and has connected fixed structure to after the installation is accomplished, further promoted fixed stability.

The internally mounted of casing 5 has gas sensor, and the top fixed connection of communicating pipe 1 is in the inside bottom of casing 5, and the sealed film of junction installation of the top of communicating pipe 1 and casing 5 sets up sealed film and promotes casing 5 and 1 leakproofness of communicating pipe, avoids gas leakage.

The outer sides of the four groups of screw hole seats 7 are all provided with screws in a penetrating mode, the rear end of the bottom plate 10 is fixedly connected to the top end of the machine shell 5 through the four groups of screw hole seats 7 and the screws, and the four groups of screw hole seats 7 are arranged in a centrosymmetric mode in pairs. The screw hole seat 7 and the screw are arranged to provide a fixing structure.

The top of bottom plate 10 leans on the outside of two sets of sliders 12 to all seted up the spout, and the bottom of watchcase 3 passes through slider 12 and spout swing joint on the top of bottom plate 10, and watchcase 3 all is the ring form setting with bottom plate 10.

The invention relates to a combustible gas detection device in an incinerator of an automobile coating workshop, when in use, one side of a hanging and carrying plate 6 is fixed at the rear end of a machine shell 5 through a clamping strip 21 and a clamping groove arranged at the rear end of the machine shell 5, at the moment, a clamping plate 25 is moved to one side, one end of the clamping plate 25 is supported by a fan-shaped plate 24 at the top of one side opposite to the hanging and carrying plate 6 to rotate to one side, the machine shell 5 is placed at a proper position by utilizing a gap between the hanging and carrying plate 6 and the clamping plate 25, a spring 22 is connected and installed between the hanging and carrying plate 6 and the clamping plate 25, one side of the clamping plate 25 is pulled to one side of the hanging and carrying plate 6 by utilizing the rebound characteristic to form a clamping function, the machine shell 5 is fixed at a proper position in the workshop by the clamping function, after the fixation is finished, a rope is tied in a rectangular groove 23 arranged at the bottom ends of the hanging and carrying plate 6 and the clamping plate 25 to further limit the clamping range, the stability of fixation is improved, after the installation of the casing 5 is completed, the pipeline of the incinerator is connected into the inside of the pipe orifice 20 arranged at the bottom end of the communicating pipe 1, when fuel enters the inside of the communicating pipe 1 through the pipe orifice 20, the sliding pipe 17 positioned in the communicating pipe 1 is jacked towards the upper end, so that two sides of the top end of the sliding pipe 17 can contact with the rubber gasket 16, the rubber gasket 16 makes a sound, meanwhile, two sides of the sliding pipe 17 are cut and rubbed by using two groups of scraping plates 18 in the process of moving up and down, and in the process of gas rising, the fan blades 14 positioned at two sides of the vertical rod 13 are blown, so that the two groups of fan blades 14 start to rotate with rising gas through the rotating balls 19, the rising speed of gas rising is accelerated, finally, the conduit 15 enters the inside of the casing 5, the rising gas enters the casing 5, and the gas is detected through the gas sensor, the gas content is ensured to be below the safe explosion limit value, when the gas content exceeds the standard, a warning sound is emitted through the alarm 4, the detected value is simultaneously disclosed through the display screen 2, the rear end of the bottom plate 10 is fixed at the top end of the display screen 2 through the four groups of screw hole seats 7 and screws in advance, so that the top end of the watchcase 3 on the outer side of the display screen 2 is enabled to rotate when the detected value needs to be checked, the watchcase 3 is enabled to move at the top end of the display screen 2 through the bottom end sliding block 12 and the sliding groove formed in the top end of the bottom plate 10, in the rotating process, the two groups of supporting rods 9 arranged between the inner walls of the watchcase 3 rotate along with the rotation, the rubber plate 11 arranged at the bottom end is further utilized to scrape and clean the outer side of the top end of the display screen 2, and the two groups of supporting rods 9 are both fixed through the clamping seats 8, so that the connection mode is simple, and the subsequent disassembly and maintenance are convenient.

The invention fixes one side of a hanging plate 6 at the rear end of a machine shell 5 through a clamping strip 21 and a clamping groove arranged at the rear end of the machine shell 5, at the moment, a clamping plate 25 moves to one side, one end of the clamping plate 25 is supported by a fan-shaped plate 24 at the top of one side opposite to the hanging plate 6 to rotate to one side, the machine shell 5 is placed at a proper position by utilizing a gap between the hanging plate 6 and the clamping plate 25, a spring 22 is connected and installed between the hanging plate 6 and the clamping plate 25, one side of the clamping plate 25 is pulled to one side of the hanging plate 6 by utilizing the resilience characteristic to form a clamping function, the machine shell 5 is fixed at a proper position in a workshop by the clamping function, after the fixation is finished, a rope is tied on a rectangular groove 23 arranged at the bottom ends of the hanging plate 6 and the clamping plate 25, the clamping range is further limited, the fixation stability is improved, different fixation structures are provided by arranging the hanging plate 6, compared with common bolt fixing, the fixing process is simplified, meanwhile, punching is not needed, subsequent disassembly and maintenance are facilitated, and the subsequent replacement site is more convenient to use; by connecting the pipeline of the incinerator into the pipe orifice 20 formed at the bottom end of the communicating pipe 1, when fuel enters the communicating pipe 1 through the pipe orifice 20, the sliding pipe 17 positioned in the communicating pipe 1 is jacked to the upper end, so that two sides of the top end of the sliding pipe 17 can contact the rubber mat 16, the rubber mat 16 makes a sound, meanwhile, two sets of scrapers 18 are utilized to scrape and rub two sides of the inner wall of the communicating pipe 1 in the process of moving up and down, in the process of gas rising, the fan blades 14 positioned at two sides of the vertical rod 13 are blown, so that the two sets of fan blades 14 start to rotate with rising gas through the rotating balls 19, the rising speed of the gas is accelerated, finally, the guide pipe 15 is utilized to enter the inside of the casing 5, when the sliding pipe 17 is arranged to connect the pipeline of the incinerator, whether the connection is successful or not can be immediately judged, and meanwhile, in the process of connection and transmission, the circulation of gas is accelerated, and the accuracy of a test value is ensured; the rear end of the bottom plate 10 is fixed to the top end of the display screen 2 through the four groups of screw hole seats 7 and screws, the top end of the watchcase 3 on the outer side of the display screen 2 is enabled, when a detected value needs to be checked, the watchcase 3 is rotated to enable the watchcase 3 to move to the top end of the display screen 2 through the sliding grooves formed in the bottom end sliding blocks 12 and the top end of the bottom plate 10, in the rotating process, two groups of supporting rods 9 installed between the inner wall of the watchcase 3 rotate along with rotation, the outer side of the top end of the display screen 2 is cut and rubbed and cleaned through the rubber plates 11 installed at the bottom end, the two groups of supporting rods 9 are fixed through the clamping seats 8, the connecting mode is simple, subsequent disassembly and maintenance are facilitated, the outer side of the display screen 2 is cleaned at the end of detection through the watchcase 3, barriers are reduced during observation, and the detected value can be visually seen.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. 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 the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.