CN215448443U

CN215448443U - Pressure switch life test stand for tail gas processor

Info

Publication number: CN215448443U
Application number: CN202121859981.7U
Authority: CN
Inventors: 郑洪�
Original assignee: Shanghai Xie Micro Environment Technology Co Ltd
Current assignee: Shanghai Xie Micro Environment Technology Co Ltd
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2022-01-07
Anticipated expiration: 2031-08-10

Abstract

The utility model relates to the technical field of pressure switch detection, and discloses a pressure switch service life test bed for a tail gas processor. According to the utility model, when the air inlet is filled with air pressure, the air inlet is closed, the pressure value of the pressure switch is recorded, the hydraulic push rod is opened, the pressure plate presses the sealing block in the air cylinder, when the sealing block reaches the bottom side of the inner wall of the air cylinder, the numerical value of the pressure switch is recorded again, then the hydraulic push rod is driven repeatedly to move the pressure plate up and down, whether the pressure switch is the same as the recorded numerical value or not is judged, the pressure sensor is fixedly arranged on the upper side of the air cylinder, the pressure sensor is squeezed after the pressure plate is pressed down each time, so that the pressing times of the pressure plate can be recorded through the display, and the service life of the pressure switch is obtained.

Description

Pressure switch life test stand for tail gas processor

Technical Field

The utility model relates to the technical field of pressure switch detection, in particular to a pressure switch service life test bed for a tail gas processor.

Background

At present, a pressure switch adopts a pressure sensor and a transmitting circuit with high precision and high stability, and then realizes the detection, display, alarm and control signal output of medium pressure signals through a special CPU modular signal processing technology, and the pressure switch can be widely used for the measurement control of gauge pressure and absolute pressure of various gases and liquids in the fields of petroleum, chemical industry, metallurgy, electric power, water supply and the like, and is an ideal intelligent measurement and control instrument for industrial fields.

In order to guarantee quality in the production process of the pressure switch, the service life of the pressure switch needs to be tested to guarantee quality and service life of the pressure switch, but the existing market only detects the pressure switch in and out through simple pressing type detection, and the detection value is not accurate, so that the pressure switch service life test bed for the tail gas processor is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pressure switch service life test bed for an exhaust gas processor, which solves the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a pressure switch life test platform for tail gas processor, includes the detection case, fixed mounting has pressure switch in the middle of the detection case upside, the air inlet has been seted up to detection case upside left end, the pressure release mouth has been seted up to detection case right side lower extreme, the air inlet all twists with the pressure release mouth and closes and install the closing cap, detection case left side lower extreme fixedly connected with fixed plate, demountable installation has the inflator on the fixed plate, inflator inner chamber swing joint and sealed piece, the gas outlet has been seted up to inflator right side lower extreme, the gas outlet right side pass through the connecting pipe with the detection incasement portion is linked together, sealed piece upside fixedly connected with supports the pole, support pole upside fixedly connected with clamp plate, inflator upside fixed mounting has pressure sensor.

As a preferred embodiment of the present invention, a hydraulic push rod is detachably mounted at the left end of the upper side of the fixing plate, and the upper side of the hydraulic push rod is fixedly connected with the left side of the pressing plate.

As a preferred embodiment of the utility model, the upper end of the left side of the detection box is provided with a limit groove, a limit block is movably arranged in the limit groove, and the left side of the limit block is fixedly connected with the pressure plate.

In a preferred embodiment of the present invention, a display is fixedly mounted on the front side of the detection box.

In a preferred embodiment of the present invention, the pressure sensor signal output terminal is connected to a signal input terminal of a control processor, and the pressure sensor signal output terminal is connected to a signal input terminal of the display.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the detection box, the pressure switch, the air inlet, the pressure relief port, the fixing plate, the air cylinder, the sealing block, the air outlet, the connecting pipe, the abutting rod and the pressing plate, when the detection box is filled with air pressure through the air inlet, the air inlet is closed, the pressure value of the pressure switch is recorded, the hydraulic push rod is opened, the pressing plate presses down the sealing block in the air cylinder, when the sealing block reaches the bottom side of the inner wall of the air cylinder, the numerical value of the pressure switch is recorded again, then the hydraulic push rod is driven repeatedly to move up and down the pressing plate, the pressure switch is compared with the recorded numerical value, and the pressure sensor is fixedly installed on the upper side of the air cylinder, and the pressure sensor is extruded after the pressing plate is pressed down each time, so that the pressing times of the pressing plate can be recorded through the display, and the service life of the pressure switch is obtained.

2. According to the utility model, the limiting block is movably arranged in the limiting groove formed in the upper end of the left side of the detection box, and the left side of the limiting block is fixedly connected with the pressing plate, so that the effect of limiting the pressing plate can be achieved, and the pressing plate can be ensured to reciprocate vertically.

Drawings

Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view of an overall structure of a pressure switch life test bed for an exhaust gas treatment device according to the present invention;

fig. 2 is a schematic signal flow diagram of a pressure switch life test bed for an exhaust gas treatment device according to the present invention.

In the figure: 1. a detection box; 2. a pressure switch; 3. an air inlet; 4. a pressure relief port; 5. a fixing plate; 6. an air cylinder; 7. a sealing block; 8. an air outlet; 9. a connecting pipe; 10. a support rod; 11. pressing a plate; 12. a pressure sensor; 13. a hydraulic push rod; 14. a limiting groove; 15. a limiting block; 16. a display.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention; in the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a pressure switch life test bench for tail gas treater, includes detection case 1, fixed mounting has pressure switch 2 in the middle of the 1 upside of detection case, air inlet 3 has been seted up to 1 upside left end of detection case, pressure release mouth 4 has been seted up to 1 right side lower extreme of detection case, the closing cap is installed in air inlet 3 and pressure release mouth 4 all twist, 1 left side lower extreme fixedly connected with fixed plate 5 of detection case, demountable installation has inflator 6 on the fixed plate 5, 6 inner chamber swing joint and sealed block 7 of inflator, 6 right side lower extreme of inflator have been seted up

gas outlet

8, 8 right sides of gas outlet through connecting pipe 9 with detection case 1 is inside to be linked together, 7 upside fixedly connected with of sealed block is supported pole 10, support pole 10 upside fixedly connected with clamp plate 11, 6 upside fixed mounting of inflator has pressure sensor 12, through at detection case 1, A pressure switch 2, an air inlet 3, a pressure relief port 4, a fixed plate 5, an air cylinder 6, a sealing block 7, an air outlet 8, a connecting pipe 9, a support rod 10 and a pressure plate 11, when the detection box 1 is filled with air pressure through the air inlet 3, the air inlet 3 is closed, the pressure value of the lower pressure switch 2 is recorded, when the hydraulic push rod 13 is opened, the pressing plate 11 presses down the sealing block 7 in the air cylinder 6, when the sealing block 7 reaches the bottom side of the inner wall of the air cylinder 6, the value of the pressure switch 2 is recorded again, then the pressure plate 11 is moved up and down by repeatedly driving the hydraulic push rod 13, the pressure switch 2 is compared with the recorded value, and a pressure sensor 12 is fixedly arranged on the upper side of the air cylinder 6, after the pressure plate 11 is pressed down each time, the pressure sensor 12 is pressed, so that the number of times of pressing the pressure plate 11 can be recorded through the display 16, and the service life of the pressure switch 2 is obtained.

In this embodiment, a hydraulic push rod 13 is detachably mounted at the left end of the upper side of the fixing plate 5, the upper side of the hydraulic push rod 13 is fixedly connected with the left side of the pressing plate 11, and the pressing plate 11 can be driven to move up and down through the hydraulic push rod 13.

In this embodiment, detection case 1 left side upper end has seted up spacing groove 14, movable mounting has stopper 15 in the spacing groove 14, stopper 15 left side with clamp plate 11 fixed connection can carry out spacing effect to clamp plate 11, guarantees the vertical direction back and forth movement of clamp plate 11.

In this embodiment, the display 16 is fixedly installed on the front side of the detection box 1, so that the number of times that the pressing plate 11 hits the pressure sensor 12 can be visually seen.

In this embodiment, the signal output end of the pressure sensor 12 is connected to the signal input end of the control processor, and the signal output end of the pressure sensor is connected to the signal input end of the display 16.

When the pressure switch life test bed for the exhaust gas processor is used, it should be noted that the pressure switch life test bed for the exhaust gas processor is provided, all components are universal standard components or components known by a person skilled in the art, and the structure and the principle of the pressure switch life test bed for the exhaust gas processor can be known by a technical manual or a conventional experimental method.

When the device is used, through the detection box 1, the pressure switch 2, the air inlet 3, the pressure relief opening 4, the fixing plate 5, the air cylinder 6, the sealing block 7, the air outlet 8, the connecting pipe 9, the abutting rod 10 and the pressing plate 11, when the detection box 1 is filled with air pressure through the air inlet 3, the air inlet 3 is closed, the pressure value of the pressure switch 2 is recorded, the hydraulic push rod 13 is opened, the pressing plate 11 is provided to press down the sealing block 7 in the air cylinder 6, when the sealing block 7 reaches the bottom side of the inner wall of the air cylinder 6, the numerical value of the pressure switch 2 is recorded again, then the pressing plate 11 is driven to move up and down by repeatedly driving the hydraulic push rod 13, whether the pressure switch 2 is the same as the recorded numerical value is judged, the pressure sensor 12 is fixedly installed on the upper side of the air cylinder 6, the pressure sensor 12 is squeezed after the pressing plate 11 is pressed each time, so that the pressing times of the pressing plate 11 can be recorded through the display 16, obtain pressure switch 2 life, movable mounting has stopper 15 in the spacing groove 14 that the while was seted up on detection case 1 left side upper end, and stopper 15 left side and clamp plate 11 fixed connection can carry out spacing effect to clamp plate 11, guarantees the vertical direction back and forth movement of clamp plate 11.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a pressure switch life-span test bench for tail gas treater, includes detection case (1), its characterized in that: a pressure switch (2) is fixedly arranged in the middle of the upper side of the detection box (1), an air inlet (3) is arranged at the left end of the upper side of the detection box (1), the lower end of the right side of the detection box (1) is provided with a pressure relief opening (4), the air inlet (3) and the pressure relief opening (4) are both screwed and provided with sealing covers, the lower end of the left side of the detection box (1) is fixedly connected with a fixed plate (5), an air cylinder (6) is detachably arranged on the fixed plate (5), the inner cavity of the air cylinder (6) is movably connected with a sealing block (7), the lower end of the right side of the air cylinder (6) is provided with an air outlet (8), the right side of the air outlet (8) is communicated with the interior of the detection box (1) through a connecting pipe (9), the upper side of the sealing block (7) is fixedly connected with a resisting rod (10), the upper side of the resisting rod (10) is fixedly connected with a pressing plate (11), and the upper side of the inflator (6) is fixedly provided with a pressure sensor (12).

2. The pressure switch life test stand for the exhaust gas processor according to claim 1, characterized in that: the left end of the upper side of the fixing plate (5) is detachably provided with a hydraulic push rod (13), and the upper side of the hydraulic push rod (13) is fixedly connected with the left side of the pressing plate (11).

3. The pressure switch life test stand for the exhaust gas processor according to claim 1, characterized in that: the detection box is characterized in that a limiting groove (14) is formed in the upper end of the left side of the detection box (1), a limiting block (15) is movably mounted in the limiting groove (14), and the left side of the limiting block (15) is fixedly connected with the pressing plate (11).

4. The pressure switch life test stand for the exhaust gas processor according to claim 1, characterized in that: and a display (16) is fixedly arranged on the front side of the detection box (1).

5. The pressure switch life test stand for the exhaust gas processor according to claim 4, characterized in that: the signal output end of the pressure sensor (12) is connected with the signal input end of the control processor, and the signal output end of the pressure sensor is connected with the signal input end of the display (16).