CN114001883B - Sealing performance detection device of environmental protection equipment - Google Patents
Sealing performance detection device of environmental protection equipment Download PDFInfo
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- CN114001883B CN114001883B CN202111637737.0A CN202111637737A CN114001883B CN 114001883 B CN114001883 B CN 114001883B CN 202111637737 A CN202111637737 A CN 202111637737A CN 114001883 B CN114001883 B CN 114001883B
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- 238000001514 detection method Methods 0.000 title claims abstract description 134
- 230000007613 environmental effect Effects 0.000 title claims abstract description 17
- 238000007789 sealing Methods 0.000 title claims abstract description 17
- 230000006835 compression Effects 0.000 claims abstract description 32
- 238000007906 compression Methods 0.000 claims abstract description 32
- 238000009434 installation Methods 0.000 claims abstract description 7
- 239000000428 dust Substances 0.000 description 17
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Sampling And Sample Adjustment (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a sealing performance detection device of environmental protection equipment, and belongs to the technical field of detection of environmental protection equipment. The device comprises an installation pipe and a detection mechanism, wherein a first detection assembly and a second detection assembly are arranged in the detection mechanism, and the first detection assembly comprises an air inlet pipe, a first detection rod, a first compression spring and a first indicating plate; the air inlet pipe is communicated with the first detection pipe through a connecting pipe and is rotatably connected with the first detection pipe, and the air inlet pipe is parallel to the first detection pipe; the second detection assembly comprises a container provided with an opening, a second detection rod, a second compression spring and a second indication plate; the opening direction of the container is vertical to the airflow direction, and the second detection rod is in sliding fit with the container. The invention can be directly installed on the environmental protection equipment to be detected, can detect the sealing performance of the environmental protection equipment in real time, does not need to be stopped for detection, and has high detection efficiency and strong practicability.
Description
Technical Field
The invention belongs to the technical field of detection of environmental protection equipment, and particularly relates to a sealing performance detection device of the environmental protection equipment.
Background
The bag type dust collector is a dust collection device for filtering and purifying dust-containing gas by a cloth bag, is an important device for protecting clean environment, has the characteristics of simple structure, convenient maintenance, strong adaptability and high dust collection efficiency, and is a high-efficiency dust collector with wider application. The bag type dust collector is divided into a mechanical rapping bag type dust collector, a mechanical rapping and back blowing bag type dust collector, a pulse blowing ash removal bag type dust collector, a back suction bag type dust collector and the like. However, when the filter bag or the housing is damaged during use, dust absorbed during dust removal cannot be filtered, so that the dust removal effect cannot be achieved, and the surrounding environment quality cannot be guaranteed, so that the self-sealing performance of the bag type dust collector is often required to be detected.
Chinese patent publication No. CN113639931A discloses an intelligent sealing detector for puffed food packaging, which comprises a sealing top cover, a detection barrel, a host, a lifting mechanism and a traction mechanism, and can detect the sealing performance of puffed food; although the invention can detect the tightness, the articles to be detected need to be put into the detection barrel, and the detection can not be carried out while working, which is not beneficial to improving the efficiency. In order to solve the problems, the invention provides a sealing performance detection device of environmental protection equipment.
Disclosure of Invention
Aiming at the technical problems, the technical scheme adopted by the invention is as follows: the utility model provides a leakproofness detection device of environmental protection equipment, is including installation pipe, fixed mounting the detection mechanism on the installation pipe, detection mechanism in be provided with first determine module and second determine module.
The first detection assembly comprises an air inlet pipe, a first detection rod, a first compression spring and a first indicator plate; the air inlet pipe is communicated with the first detection pipe through a connecting pipe and is rotatably connected with the first detection pipe, the air inlet pipe is parallel to the first detection pipe, and the air inlet direction of the air inlet pipe is consistent with the airflow direction of the detected equipment; first detection stick and the one end slidable mounting of first detection tube, first compression spring cover establish on first detection tube, and first compression spring's one end and the first indicator board fixed connection of installing on first detection stick, first compression spring's the other end and support fixed connection, when the air input of intake pipe changes, first detection stick takes place to slide in first detection tube.
The second detection assembly comprises a container provided with an opening, a second detection rod, a second compression spring and a second indication plate; the opening direction of the container is perpendicular to the air flow direction, the second detection rod is in sliding fit with the container, the second compression spring is sleeved on the second detection rod, one end of the second compression spring is fixedly connected with a second indication plate arranged on the second detection rod, the other end of the second compression spring is fixedly connected with the support, and when the pressure in the container changes, the second detection rod slides in the container.
Further, the shape of the air inlet pipe is conical.
Further, the support is fixedly arranged on a background plate, and the background plate is positioned on the same side of the first detection rod and the second detection rod and is parallel to the first detection rod and the second detection rod.
Furthermore, a signal transmitting device is arranged on the first detection assembly, and when the pressure in the first detection pipe is increased, the signal transmitting device gives an alarm.
Furthermore, a protection device is further arranged in the detection mechanism, and the protection device is installed on the worm wheel and used for preventing the first indicating plate from being damaged.
Compared with the prior art, the invention has the beneficial effects that: (1) the device can be directly installed on the to-be-detected environment-friendly equipment, the sealing performance of the environment-friendly equipment is detected in real time, the shutdown detection is not needed, the detection efficiency is high, and the practicability is high; (2) the invention can detect the air inlet and the air outlet in two modes, and has wide application range and more selectivity; (3) the invention detects the sealing performance through the first detection device and the second detection device, and visually judges the sealing performance by comparing the relative positions of the first indicator board and the second indicator board, and has simple structure and convenient operation.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is another angle structure diagram of the overall structure of the present invention.
Fig. 3 is a schematic structural diagram of a first detecting assembly in the detecting mechanism.
Fig. 4 is a schematic structural view of a guard in the detection mechanism.
Fig. 5 is a schematic structural diagram of the first detection assembly and the second detection assembly.
Fig. 6 is a schematic view of a part of the enlarged structure at B in fig. 5.
Fig. 7 is a schematic structural diagram of the signal emitting device and the large gear, the small gear and the small gear.
Fig. 8 is a schematic view of a part a enlarged in fig. 7.
Fig. 9 is a schematic view of a worm and a worm wheel.
Reference numerals: 1-installing a pipe; 2-a detection mechanism; 201-air inlet pipe; 202-a first detector tube; 203-a first detection bar; 204-a first compression spring; 205-a first indicator panel; 206-connecting tube; 207-a container; 208-a second detection bar; 209-a second compression spring; 210-a second indicator panel; 211-a connecting cylinder; 212-rubber sheet; 213-rack; 214-gear; 215-a base; 216-arc scale plate; 217-magnetic needle; 218-a drive motor; 219-worm; 220-a worm gear; 221-rotating rod; 222-a slide bar; 223-a stop lever; 224-a stop spring; 225-sliding seat; 226-a guide bar; 227-background plate; 228-gearwheel; 229-a pinion gear; 230-pinion.
Detailed Description
The present invention will be further described with reference to specific examples, which are illustrative of the invention and are not to be construed as limiting the invention.
Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better explain the embodiments of the present invention, some components in the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product, and it may be understood that some well-known structures in the drawings and descriptions thereof may be omitted to those skilled in the art.
Example (b): the device for detecting the sealing performance of the environmental protection equipment as shown in fig. 1 to 9 comprises an installation pipe 1 and a detection mechanism 2 fixedly installed on the installation pipe 1, wherein a first detection assembly and a second detection assembly are arranged in the detection mechanism 2.
The first detection assembly comprises an air inlet pipe 201, a first detection pipe 202, a first detection rod 203, a first compression spring 204 and a first indicator plate 205; the air inlet pipe 201 is communicated with the first detection pipe 202 through a connecting pipe 206 and is rotatably connected with the first detection pipe 202, the air inlet pipe 201 is parallel to the first detection pipe 202, and the air inlet direction of the air inlet pipe 201 is consistent with the airflow direction of the detected equipment; the first detection rod 203 is slidably mounted at one end of the first detection tube 202, the first compression spring 204 is sleeved on the first detection tube 202, one end of the first compression spring 204 is fixedly connected with the first indication plate 205 mounted on the first detection rod 203, the other end of the first compression spring 204 is fixedly connected with the bracket, and when the air inflow of the air inlet pipe 201 changes, the first detection rod 203 slides in the first detection tube 202.
Specifically, a large gear 228 is fixedly mounted on the connecting pipe 206, the large gear 228 is fixedly connected with a small gear 229, the small gear 229 is fixedly mounted on an output shaft of the reversing motor 230, the reversing motor 230 is fixedly mounted inside a housing of the detecting mechanism 2, when the connecting pipe 206 is required to drive the air inlet pipe 201 to rotate, the reversing motor 230 is started to drive the small gear 229 to rotate, the large gear 228 is driven by the small gear 229 to rotate, and thus the connecting pipe 206 is driven by the large gear 228 to rotate around the first detecting pipe 202.
The second detection assembly comprises a container 207 provided with an opening, a second detection rod 208, a second compression spring 209 and a second indication plate 210; the opening direction of the container 207 is perpendicular to the air flow direction, the second detection rod 208 is in sliding fit with the container 207, the second compression spring 209 is sleeved on the second detection rod 208, one end of the second compression spring 209 is fixedly connected with a second indication plate 210 arranged on the second detection rod 208, the other end of the second compression spring 209 is fixedly connected with the bracket, and when the pressure in the container 207 changes, the second detection rod 208 slides in the container 207. The main function is to determine whether the sealing performance is good or not by observing the relative position change of the first indicator plate 205 and the second indicator plate 210.
The intake pipe 201 is tapered in shape. When the air input increased, the speed that gas got into intake pipe 201 can be slowed down to conical intake pipe 201 to slow down the sliding speed of first detection stick 203, prevent to admit air at the excessive speed, lead to first detection stick 203 to slide too fast and cause the damage.
The bracket is fixedly installed on the background plate 227, and the background plate 227 is located on the same side of the first detection rod 203 and the second detection rod 208, and is parallel to the first detection rod 203 and the second detection rod 208. Since the sliding of the first and second detection sticks 203 and 208 must cause the position of the first and second indication plates 205 and 210 to be changed, the state of the sealability can be determined by comparing the position change between the first and second indication plates 205 and 210.
The first detecting component is provided with a signal emitting device, and when the pressure in the first detecting pipe 202 is increased, the signal emitting device gives an alarm.
Specifically, the signal transmitting device comprises a connecting cylinder 211, the connecting cylinder 211 is fixedly installed on the first detection tube 202, a rubber sheet 212 is fixedly installed inside the connecting cylinder 211 and made of flexible materials, a rack 213 is fixedly installed on the rubber sheet 212, the rack 213 is meshed with a gear 214, the rack 213 is slidably installed on a base 215, the gear 214 is rotatably installed on the base 215, the gear 214 is coaxially connected with a magnetic needle 217, an arc-shaped scale plate 216 is fixedly installed on the base 215, and a hall sensor is arranged on the arc-shaped scale plate 216.
A guard is also provided in the detection mechanism 2, and is mounted on the worm wheel 220 for preventing the first indicator panel 205 from being damaged.
Specifically, the protection device comprises a driving motor 218 fixedly mounted on a sliding seat 225, the sliding seat 225 is slidably mounted on a guide rod 226, the guide rod 226 is fixedly mounted on a housing, the housing is fixedly mounted on a mounting tube 1, an extension shaft of the driving motor 218 is fixedly mounted with a worm 219, the worm 219 is engaged with a worm gear 220 rotatably mounted on the sliding seat 225, one end of a rotating rod 221 is rotatably mounted on the worm gear 220, the other end of the rotating rod 221 is rotatably connected with a background plate 227, the background plate 227 is fixedly mounted inside the housing, a sliding rod 222 is rotatably mounted on the worm 219, a stopping rod 223 is slidably mounted on the sliding rod 222, a stopping spring 224 is sleeved on the outer ring of the stopping rod 223, one end of the stopping spring 224 is fixedly connected with the stopping rod 223, and the other end is fixedly connected with the sliding rod 222.
The working principle is as follows: the mounting pipe 1 is connected to an air inlet of the bag type dust collector, the small gear 229 is driven to rotate by the reversing motor 230, the small gear 229 drives the large gear 228 to rotate, the connecting pipe 206 is driven to rotate by the rotation of the large gear 228, and the air inlet on the air inlet pipe 201 faces the air flow direction, so that air can be conveniently fed. When the bag type dust collector is damaged in quality and air leakage occurs, more air needs to be sucked at the same time in order to ensure the air pressure balance in the dust collector, and thus, the air flowing through the detection mechanism 2 is increased.
When the gas flow rate and the gas flow rate are increased, the gas entering the gas inlet pipe 201 is increased, the gas flows into the connecting pipe 206 from the gas inlet pipe 201 and then enters the first detection pipe 202, the gas pressure of the first detection pipe 202 is increased, the pressure is larger than the elastic force of the first compression spring 204, the first detection rod 203 is pushed to slide in the first detection pipe 202, and at the moment, the first indicating plate 205 moves along with the first detection rod 203.
Meanwhile, since the container 207 is opened to the lower side and the flow direction of the wind is vertical and only one end is opened, when the flow rate of the wind is increased, the air balance inside the container 207 is broken, the air in the container 207 is pumped out, the pressure inside the container 207 is reduced, and the elastic force of the second compression spring 209 is greater than the air pressure, so that the second compression spring 209 pushes the second detection rod 208 to move to the side close to the container 207, and the second indicator board 210 moves along with the second detection rod 208.
The relative positions of the first indicator panel 205 and the second indicator panel 210 change as the first indicator panel and the second indicator panel move, and an operator may see through the transparent glass window of the housing to determine the hermeticity.
When the gas in the first detecting tube 202 is increased, the gas enters the connecting cylinder 211 from the first detecting tube 202, the gas pressure in the connecting cylinder 211 is increased, but because the edge of the rubber sheet 212 is fixed and flexible, the middle of the rubber sheet is bulged to one side of the rack 213, the rack 213 is pushed, the gear 214 is driven by the rack 213 to rotate, the magnetic needle 217 coaxial with the gear 214 rotates, and the signal is sent out through the Hall sensor on the arc-shaped scale plate 216 to inform an operator, and meanwhile, the signal is also transmitted to the driving motor 218.
The driving motor 218, which receives the signal, is activated to rotate the worm 219, and the worm wheel 220 is rotated by the worm 219, but since the rotating rod 221 cannot be extended, so that when the worm wheel 220 rotates, the worm wheel 220 is rotated and connected to the worm wheel 220 through the rotation rod 221, and the rotation rod 221 pulls the worm wheel 220, and the worm wheel 220 is rotatably mounted on the sliding seat 225, therefore, the sliding seat 225 will also slide while pulling the sliding rod 222 and the stopping rod 223 together until the stopping rod 223 contacts the first indicating plate 205, compressing the stopping spring 224, at which time the first indicating plate 205 stops sliding under the elastic force of the stopping spring 224 and the first compression spring 204, preventing the first indicating plate 205 from being damaged due to moving too far, the stopped first indicating plate 205 facing the scale position on the background plate 227, and the background plate 227 being used as a background, so that the positions of the first indicating plate 205 and the second indicating plate 210 can be more easily and visually seen.
When the gas outlet of the device to be detected needs to be detected, the installation pipe 1 is connected to the gas outlet, and meanwhile, the connecting pipe 206 is rotated to drive the gas inlet pipe 201, so that the gas inlet of the gas inlet pipe 201 faces the gas outlet direction of the gas outlet.
Claims (5)
1. The utility model provides a leakproofness detection device of environmental protection equipment, includes installation pipe (1), its characterized in that: the device is characterized by also comprising a detection mechanism (2) fixedly arranged on the mounting pipe (1), wherein a first detection assembly and a second detection assembly are arranged in the detection mechanism (2);
the first detection assembly comprises an air inlet pipe (201), a first detection pipe (202), a first detection rod (203), a first compression spring (204) and a first indicator plate (205); the air inlet pipe (201) is communicated with the first detection pipe (202) through a connecting pipe (206) and is rotatably connected with the first detection pipe, the air inlet pipe (201) is parallel to the first detection pipe (202), and the air inlet direction of the air inlet pipe (201) is consistent with the airflow direction of the detected equipment; the first detection rod (203) is slidably mounted with one end of the first detection pipe (202), the first compression spring (204) is sleeved on the first detection pipe (202), one end of the first compression spring (204) is fixedly connected with a first indicating plate (205) mounted on the first detection rod (203), the other end of the first compression spring (204) is fixedly connected with the bracket, when the environmental protection equipment leaks air, the air inflow of the air inlet pipe (201) is increased, and the first detection rod (203) slides in the first detection pipe (202);
the second detection assembly comprises a container (207) provided with an opening, a second detection rod (208), a second compression spring (209) and a second indication plate (210); the opening direction of the container (207) is perpendicular to the airflow direction, the second detection rod (208) is in sliding fit with the container (207), the second compression spring (209) is sleeved on the second detection rod (208), one end of the second compression spring (209) is fixedly connected with a second indication plate (210) installed on the second detection rod (208), the other end of the second compression spring (209) is fixedly connected with the support, when the environment-friendly equipment leaks air, the air speed at the opening of the container (207) is increased, air at the opening of the container (207) is pumped out, the pressure in the container (207) is reduced, the second detection rod (208) slides in the container (207), and when the first detection rod (203) and the second detection rod (208) move, the first indication plate (205) and the second indication plate (210) are respectively driven to move.
2. The device for detecting the sealing property of an environmental protection apparatus according to claim 1, wherein: the shape of the air inlet pipe (201) is a cone.
3. The device for detecting the sealing property of an environmental protection apparatus according to claim 2, wherein: the support is fixedly arranged on a background plate (227), and the background plate (227) is positioned on the same side of the first detection rod (203) and the second detection rod (208) and is parallel to the first detection rod (203) and the second detection rod (208).
4. The sealability detection apparatus of an environmental protection device according to claim 3, wherein: the first detection assembly is provided with a signal transmitting device, and when the pressure in the first detection pipe (202) is increased, the signal transmitting device gives an alarm.
5. The sealability detection apparatus of an environmental protection device according to claim 4, wherein: the detection mechanism (2) is internally provided with a protection device, and the protection device is arranged on the worm wheel (220) and used for preventing the first indicator board (205) from being damaged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111637737.0A CN114001883B (en) | 2021-12-30 | 2021-12-30 | Sealing performance detection device of environmental protection equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111637737.0A CN114001883B (en) | 2021-12-30 | 2021-12-30 | Sealing performance detection device of environmental protection equipment |
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| CN114001883A CN114001883A (en) | 2022-02-01 |
| CN114001883B true CN114001883B (en) | 2022-03-25 |
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Denomination of invention: A Sealing Testing Device for Environmental Protection Equipment Effective date of registration: 20231229 Granted publication date: 20220325 Pledgee: Shandong Juye Rural Commercial Bank Co.,Ltd. Pledgor: SHANDONG HAILIN ENVIRONMENTAL PROTECTION EQUIPMENT ENGINEERING Co.,Ltd. Registration number: Y2023980075418 |
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