CN114441112A - Firefighter uniform airtightness detection device and detection method thereof - Google Patents
Firefighter uniform airtightness detection device and detection method thereof Download PDFInfo
- Publication number
- CN114441112A CN114441112A CN202111563616.6A CN202111563616A CN114441112A CN 114441112 A CN114441112 A CN 114441112A CN 202111563616 A CN202111563616 A CN 202111563616A CN 114441112 A CN114441112 A CN 114441112A
- Authority
- CN
- China
- Prior art keywords
- fire
- sleeve part
- detection device
- fighting
- seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 28
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 210000001503 joint Anatomy 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000011895 specific detection Methods 0.000 claims 1
- 230000001681 protective effect Effects 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 238000010030 laminating Methods 0.000 description 3
- 239000003518 caustics Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention discloses a fire-fighting clothing airtightness detection device and a detection method thereof, and particularly relates to the technical field of fire-fighting clothing airtightness detection, which comprises a machine body, wherein the top end of the machine body is provided with a machine frame, the top end of the machine frame is provided with a lifting cylinder, the interior of the machine frame is provided with a lifting plate fixedly connected with the end part of a piston rod of the lifting cylinder, and the top end surface of the machine body is positioned below the lifting plate and is provided with a base plate. The pushing cylinder pushes the driving seat and the lifting plate to slide directionally, and sealing detection can be performed on the horizontal direction of the sleeve part.
Description
Technical Field
The invention relates to the technical field of air tightness detection of firefighter uniforms, in particular to an air tightness detection device of a firefighter uniforms and a detection method thereof.
Background
The fire-fighting chemical protective clothing is one of the fire fighter protective clothing, and the fire fighter chemical protective clothing is divided into fire-fighting protective clothing, fire-fighting fire-avoiding protective clothing, fire-fighting heat insulation clothing and fire fighter heavy protective clothing, and is protective clothing worn by the fire fighter in a fire scene with dangerous chemical substances and corrosive substances and an accident scene for protecting the fire fighter from being damaged by the chemical dangerous substances or the corrosive substances during the production process of the fire-fighting protective clothing, and the air tightness of the fire-fighting protective clothing is required to be detected frequently so as to be used in the fire-fighting clothing later.
Current fire-entry suit when the production leaves the factory, need seal the detection to the coat-sleeve position of clothes, guarantee the sealing performance of clothes, can adopt to soak the aquatic usually and look over the mode that the bubble emits, but increase manpower and work load, do not detect to fire-entry suit's leakproofness on the market and design an equipment, have certain limitation in the volume production.
Disclosure of Invention
The invention aims to provide a firefighter uniform airtightness detection device and a detection method thereof.
The technical problem solved by the invention is as follows: the market does not have the leakproofness to the fire control clothing to detect and design a equipment, has certain limitation in the volume production.
The invention can be realized by the following technical scheme: the utility model provides an airtight detection device of fire-fighting uniform, includes the organism, the top of organism is provided with the frame, the lift cylinder is installed on the top of frame, and the internally mounted of frame has the lifter plate that lift cylinder piston rod end fixing links to each other, the top surface of organism is located the below of lifter plate and is provided with the base plate, and the bottom of organism installs the pump, the bottom of lifter plate is installed and is driven the drive seat.
The invention has further technical improvements that: the top end of the base plate is fixedly connected with a vertical plate, a speed reduction motor is installed on one side of the vertical plate, and a rotating shaft fixedly connected with the end portion of an output shaft of the speed reduction motor is arranged on the other side of the vertical plate.
The invention has further technical improvements that: the fixed cover of circumference side outer wall of axis of rotation is equipped with the lantern ring piece, the fixed surface of lantern ring piece installs a plurality of electric putter that the annular set up, electric putter's flexible end fixedly connected with arc ejector pad, the surface of arc ejector pad is provided with the rubber arch, and the outside laminating of arc ejector pad is provided with clothing sleeve portion.
The invention has further technical improvements that: the cuff of the coat sleeve part is provided with a rigid butt joint part, one side of the rigid butt joint part is hermetically connected with an electromagnetic clamping part, and one end of the electromagnetic clamping part is movably connected with an air pipe connected with an inflator pump.
The invention has further technical improvements that: the bottom surface of lifter plate is equipped with the guide rail of T shape structure, the inside sliding connection of guide rail has the guide block that the drive seat top is fixed to link to each other, the front surface mounting of drive seat has step motor, and the inner chamber of drive seat installs the fixed lead screw that links to each other of step motor output shaft tip, one side of step motor is provided with the siren.
The invention has further technical improvements that: the outer surface cover of lead screw is equipped with the slip cassette, baroceptor is installed to the bottom of slip cassette.
The invention has the further technical improvements that: the lifter plate sets up to L shape structure, and bottom a side surface of lifter plate is equipped with the mounting groove, the internally mounted of mounting groove has the promotion cylinder, and the piston rod tip that just promotes the cylinder with drive a side fixed surface of driving the seat.
The invention also comprises a method for detecting the air tightness of the firefighter uniform, which comprises the following steps:
step one, sleeving a sleeve part outside a rotating shaft, penetrating one end of an air pipe through a machine body to be connected with an inflator pump, matching an electromagnetic clamping part connected with the other end of the air pipe with a rigid butt joint part, and magnetically and hermetically connecting the electromagnetic clamping part with the rigid butt joint part after the electromagnetic clamping part is electrified, wherein inflation gas enters the sleeve part from the air pipe;
step two, pushing the corresponding arc-shaped push blocks through a plurality of electric push rods until the rubber bulges are attached to the inner wall of the sleeve part, and driving the sleeve part to rotate through the position of a rotating shaft rotated by a speed reducing motor;
pushing the horizontal displacement of the driving seat by a pushing cylinder, and detecting the air tightness of the surface longitudinal position of the clothes sleeve part by an air pressure sensor;
and step four, driving the sliding clamping seat through the transmission of the lead screw, and driving the air pressure sensor to move together to detect the air tightness of the circumferential side position of the surface of the sleeve part.
Compared with the prior art, the invention has the following beneficial effects:
1. with electromagnetism joint portion and the sealed cooperation of rigidity butt joint portion, electromagnetism joint portion circular telegram produces powerful magnetic attraction, with rigidity butt joint portion magnetism sealing connection, the pump circular telegram, the gaseous trachea of passing through of production is transmitted to in the coat-sleeve portion, coat-sleeve portion inflation becomes the drum this moment, through the gas leakage position that appears on the baroceptor detectable coat-sleeve portion, when electric putter extension, promote protruding the laminating of the inner wall with coat-sleeve portion of the rubber on the arc ejector pad, under gear motor's drive, the axis of rotation is being driven and is rotating, the position adjustment of coat-sleeve portion this moment, can seal the detection to the circumference side position of coat-sleeve portion, it is more complete accurate to detect.
2. The push cylinder pushes the driving seat and the lifting plate to realize directional sliding through the guide rail and the guide block, sealing detection can be performed on the horizontal direction of the sleeve part, and when the distance is adjusted in a small distance, the pneumatic sensor can be driven to follow the transmission by driving the sliding clamping seat through the transmission of the lead screw.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic external view of the present invention;
FIG. 2 is a schematic view of the connection structure of the driving seat and the lifting plate according to the present invention;
FIG. 3 is a schematic view of the connection between the driving seat and the lifting plate according to the present invention;
FIG. 4 is an enlarged view of a portion A of FIG. 1 according to the present invention;
fig. 5 is a schematic view of an installation structure of the electric putter of the present invention.
In the figure: 1. a body; 101. a frame; 102. a lifting cylinder; 103. a lifting plate; 1031. a guide rail; 104. an inflator pump; 105. mounting grooves; 106. a push cylinder; 2. a driving seat; 201. a stepping motor; 202. a lead screw; 203. a sliding card holder; 204. an air pressure sensor; 205. a guide block; 206. an alarm; 3. a substrate; 301. a vertical plate; 302. a reduction motor; 303. a sleeve portion; 304. a rigid butt joint portion; 305. an electromagnetic clamping portion; 306. an air tube; 4. a rotating shaft; 401. a collar block; 402. an electric push rod; 403. an arc-shaped push block; 404. and (4) rubber bulges.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be given with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 1-5, a device for detecting the air tightness of fire-fighting services comprises a machine body 1, a frame 101 is disposed at the top end of the machine body 1, a lifting cylinder 102 is disposed at the top end of the frame 101, a lifting plate 103 fixedly connected with the end of a piston rod of the lifting cylinder 102 is disposed inside the frame 101, a base plate 3 is disposed on the top end surface of the machine body 1 below the lifting plate 103, an inflator 104 is disposed at the bottom of the machine body 1, and a driving seat 2 is disposed at the bottom end of the lifting plate 103.
Example 1
The top end of the base plate 3 is fixedly connected with a vertical plate 301, one side of the vertical plate 301 is provided with a speed reducing motor 302, and the other side of the vertical plate 301 is provided with a rotating shaft 4 fixedly connected with the end part of an output shaft of the speed reducing motor 302.
The fixed cover of circumference side outer wall of axis of rotation 4 is equipped with lantern ring piece 401, and lantern ring piece 401's surface fixed mounting has a plurality of electric putter 402 that the annular set up, electric putter 402's flexible end fixedly connected with arc ejector pad 403, and the surface of arc ejector pad 403 is provided with the protruding 404 of rubber, and the outside laminating of arc ejector pad 403 is provided with coat-sleeve portion 303.
The cuff of the sleeve part 303 is provided with a rigid butt joint part 304, one side of the rigid butt joint part 304 is hermetically connected with an electromagnetic clamping part 305, and one end of the electromagnetic clamping part 305 is movably connected with an air pipe 306 connected with the inflator pump 104.
Firstly, the clothes sleeve part 303 is arranged outside the rotating shaft 4, the electric push rod 402 is in a power-off state, then the electromagnetic clamping part 305 is in sealing fit with the rigid butt joint part 304, the electromagnetic clamping part 305 is electrified to generate strong magnetic attraction and is in magnetic sealing connection with the rigid butt joint part 304, the inflator pump 104 is electrified, generated gas is transmitted into the clothes sleeve part 303 through the air pipe 306, at the moment, the clothes sleeve part 303 expands and becomes a drum, the gas leakage position on the clothes sleeve part 303 can be detected through the gas pressure sensor 204, when the electric push rod 402 extends, the rubber bulge 404 on the arc-shaped push block 403 is pushed to be attached to the inner wall of the clothes sleeve part 303, the rotating shaft 4 is driven to rotate under the driving of the speed reducing motor 302, at the moment, the position of the clothes sleeve part 303 is adjusted, and the sealing detection can be carried out on the circumferential side position of the clothes sleeve part 303.
Example 2
The bottom surface of lifter plate 103 is equipped with the guide rail 1031 of T shape structure, and the inside sliding connection of guide rail 1031 has the fixed guide block 205 that links to each other of drive seat 2 top, and the front surface mounting of drive seat 2 has step motor 201, and the inner chamber of drive seat 2 installs the fixed lead screw 202 that links to each other of step motor 201 output shaft tip, and one side of step motor 201 is provided with siren 206.
The outer surface cover of lead screw 202 is equipped with slip cassette 203, and baroceptor 204 is installed to the bottom of slip cassette 203, and lifter plate 103 sets up to L shape structure, and lifter plate 103's bottom side surface is equipped with mounting groove 105, and the internally mounted of mounting groove 105 has push cylinder 106, and push cylinder 106's piston rod tip and a side fixed surface who drives seat 2.
The driving seat 2 and the lifting plate 103 are pushed by the pushing cylinder 106 to realize directional sliding through the guide track 1031 and the guide block 205, sealing detection can be performed on the horizontal direction of the sleeve part 303, and when the distance is adjusted in a small distance, the sliding clamping seat 203 is driven by the transmission of the lead screw 202 to move, and the air pressure sensor 204 can be driven to follow the transmission.
The invention also comprises a method for detecting the air tightness of the firefighter uniform, which comprises the following steps:
firstly, a sleeve part 303 is sleeved outside a rotating shaft 4, one end of an air pipe 306 penetrates through a machine body 1 to be connected with an inflator pump 104, an electromagnetic clamping part 305 connected with the other end of the air pipe 306 is matched with a rigid butt joint part 304, the electromagnetic clamping part 305 is connected with the rigid butt joint part 304 in a magnetic sealing mode after being electrified, and inflation gas enters the sleeve part 303 from the air pipe 306;
step two, pushing the corresponding arc-shaped push blocks 403 by the plurality of electric push rods 402 until the rubber bulges 404 are attached to the inner wall of the sleeve part 303, and rotating the position of the rotating shaft 4 by the speed reducing motor 302 to drive the sleeve part 303 to rotate;
step three, the horizontal displacement of the driving seat 2 is pushed by the pushing cylinder 106, and the air tightness of the surface longitudinal position of the clothes sleeve part 303 is detected through the air pressure sensor 204;
and step four, driving the sliding clamping seat 203 through the transmission of the lead screw 202, and driving the air pressure sensor 204 to move together to detect the air tightness of the circumferential side position of the surface of the sleeve 303.
The working principle is as follows:
when the invention is used, the electromagnetic clamping part 305 is in sealing fit with the rigid butt joint part 304, the electromagnetic clamping part 305 is electrified to generate strong magnetic attraction and is in magnetic sealing connection with the rigid butt joint part 304, the inflator pump 104 is electrified, the generated gas is transmitted into the sleeve part 303 through the air pipe 306, the sleeve part 303 expands and becomes a drum, the air pressure sensor 204 can detect the air leakage part on the sleeve part 303, when the electric push rod 402 extends, the rubber bulge 404 on the arc-shaped push block 403 is pushed to be attached to the inner wall of the sleeve part 303, the rotating shaft 4 is driven to rotate under the driving of the speed reducing motor 302, the position of the sleeve part 303 is adjusted, the sealing detection can be carried out on the circumferential side position of the sleeve part 303, the detection is more complete and accurate, the air cylinder 106 is pushed to push the driving seat 2 and the lifting plate 103 to realize the directional sliding through the guide rail 1031 and the guide block 205, the sealing detection can be carried out on the horizontal direction of the sleeve part 303, when the distance is adjusted in a small range, the sliding clamping seat 203 is driven to move through the transmission of the lead screw 202, and the air pressure sensor 204 can be driven to follow the transmission.
Although the present invention has been described with reference to the preferred embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but is intended to cover various modifications, equivalents and alternatives falling within the spirit and scope of the invention.
Claims (8)
1. The utility model provides a fire control is airtight detection device which characterized in that: including organism (1), the top of organism (1) is provided with frame (101), lift cylinder (102) are installed on the top of frame (101), and the internally mounted of frame (101) has lifter plate (103) that links to each other with lift cylinder (102) piston rod end fixing, the top surface of organism (1) is located the below of lifter plate (103) and is provided with base plate (3), and the bottom of organism (1) installs pump (104), the bottom of lifter plate (103) is installed and is driven driving seat (2).
2. The airtight detection device for firefighting suits according to claim 1, wherein a vertical plate (301) is fixedly connected to the top end of the base plate (3), a speed reduction motor (302) is installed on one side of the vertical plate (301), and a rotating shaft (4) fixedly connected with the end of an output shaft of the speed reduction motor (302) is arranged on the other side of the vertical plate (301).
3. The airtight detection device of fire-fighting clothing according to claim 2, characterized in that a collar block (401) is fixedly sleeved on the outer wall of the circumferential side of the rotating shaft (4), a plurality of electric push rods (402) arranged in a ring shape are fixedly installed on the outer surface of the collar block (401), an arc-shaped push block (403) is fixedly connected to the telescopic end of the electric push rod (402), a rubber bulge (404) is arranged on the outer surface of the arc-shaped push block (403), and a clothing sleeve portion (303) is attached to the outer portion of the arc-shaped push block (403).
4. The airtight detection device of fire-fighting clothing according to claim 3, wherein a rigid butt joint part (304) is arranged at the cuff of the clothing sleeve part (303), one side of the rigid butt joint part (304) is hermetically connected with an electromagnetic clamping part (305), and one end of the electromagnetic clamping part (305) is movably connected with an air pipe (306) connected with the inflator pump (104).
5. The airtight detection device of fire-fighting clothing according to claim 1, characterized in that the bottom end surface of the lifting plate (103) is provided with a guide track (1031) of a T-shaped structure, the inside of the guide track (1031) is slidably connected with a guide block (205) fixedly connected with the top end of the driving seat (2), the front surface of the driving seat (2) is provided with a stepping motor (201), the inner cavity of the driving seat (2) is provided with a lead screw (202) fixedly connected with the end part of an output shaft of the stepping motor (201), and one side of the stepping motor (201) is provided with an alarm (206).
6. The device for detecting the air tightness of fire-fighting service as claimed in claim 5, wherein a sliding clamping seat (203) is sleeved on the outer surface of the lead screw (202), and an air pressure sensor (204) is installed at the bottom end of the sliding clamping seat (203).
7. The airtight detection device of fire-fighting uniform, according to claim 1, characterized in that the lifting plate (103) is provided with an L-shaped structure, and a mounting groove (105) is provided on one side surface of the bottom of the lifting plate (103), a pushing cylinder (106) is installed inside the mounting groove (105), and the end of the piston rod of the pushing cylinder (106) is fixed to one side surface of the driving seat (2).
8. A method for detecting the air tightness of fire-fighting clothes is characterized by comprising the following specific detection steps:
step one, a clothes sleeve part (303) is sleeved outside a rotating shaft (4), one end of an air pipe (306) penetrates through a machine body (1) to be connected with an air pump (104), an electromagnetic clamping part (305) connected with the other end of the air pipe (306) is matched with a rigid butt joint part (304), the electromagnetic clamping part (305) is connected with the rigid butt joint part (304) in a magnetic sealing mode after being electrified, and inflation gas enters the clothes sleeve part (303) through the air pipe (306);
secondly, pushing the corresponding arc-shaped push blocks (403) through a plurality of electric push rods (402) until the rubber bulges (404) are attached to the inner wall of the sleeve part (303), and rotating the position of the rotating shaft (4) through the speed reducing motor (302) to drive the sleeve part (303) to rotate;
pushing the horizontal displacement of the driving seat (2) by a pushing cylinder (106), and detecting the surface longitudinal position air tightness of the sleeve part (303) by an air pressure sensor (204);
and fourthly, driving the sliding clamping seat (203) through the transmission of the lead screw (202), and driving the air pressure sensor (204) to move together to detect the air tightness of the circumferential side position of the surface of the clothes sleeve part (303).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111563616.6A CN114441112A (en) | 2021-12-20 | 2021-12-20 | Firefighter uniform airtightness detection device and detection method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111563616.6A CN114441112A (en) | 2021-12-20 | 2021-12-20 | Firefighter uniform airtightness detection device and detection method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114441112A true CN114441112A (en) | 2022-05-06 |
Family
ID=81364014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111563616.6A Pending CN114441112A (en) | 2021-12-20 | 2021-12-20 | Firefighter uniform airtightness detection device and detection method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114441112A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106932156A (en) * | 2017-03-21 | 2017-07-07 | 江苏嘉文医疗用品有限公司 | A kind of disposable glove automatic detecting machine |
| CN109163866A (en) * | 2018-09-27 | 2019-01-08 | 湖北上翔自动化科技有限公司 | For fuel tank of vehicle leak-testing apparatus |
| CN209027733U (en) * | 2018-12-14 | 2019-06-25 | 深圳市华耀检测技术服务有限公司 | A kind of air tightness test jig |
| CN211527724U (en) * | 2020-04-23 | 2020-09-18 | 郭柯 | Detection early warning device of warm logical pipeline |
| CN112284637A (en) * | 2020-10-12 | 2021-01-29 | 张家港大裕橡胶制品有限公司 | Quality detection device and method for rubber gloves |
| CN112304535A (en) * | 2020-11-02 | 2021-02-02 | 赵晓静 | Rubber hose water tightness testing device |
| CN213239372U (en) * | 2020-08-18 | 2021-05-18 | 山东聚合管业有限公司 | Plastic-sheathed-steel thermal insulation pipe sealing performance testing device |
| CN113624422A (en) * | 2021-09-01 | 2021-11-09 | 广东益鑫源工程建设管理咨询有限公司 | Drainage pipeline air tightness detection system and detection method |
-
2021
- 2021-12-20 CN CN202111563616.6A patent/CN114441112A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106932156A (en) * | 2017-03-21 | 2017-07-07 | 江苏嘉文医疗用品有限公司 | A kind of disposable glove automatic detecting machine |
| CN109163866A (en) * | 2018-09-27 | 2019-01-08 | 湖北上翔自动化科技有限公司 | For fuel tank of vehicle leak-testing apparatus |
| CN209027733U (en) * | 2018-12-14 | 2019-06-25 | 深圳市华耀检测技术服务有限公司 | A kind of air tightness test jig |
| CN211527724U (en) * | 2020-04-23 | 2020-09-18 | 郭柯 | Detection early warning device of warm logical pipeline |
| CN213239372U (en) * | 2020-08-18 | 2021-05-18 | 山东聚合管业有限公司 | Plastic-sheathed-steel thermal insulation pipe sealing performance testing device |
| CN112284637A (en) * | 2020-10-12 | 2021-01-29 | 张家港大裕橡胶制品有限公司 | Quality detection device and method for rubber gloves |
| CN112304535A (en) * | 2020-11-02 | 2021-02-02 | 赵晓静 | Rubber hose water tightness testing device |
| CN113624422A (en) * | 2021-09-01 | 2021-11-09 | 广东益鑫源工程建设管理咨询有限公司 | Drainage pipeline air tightness detection system and detection method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110118307B (en) | Small-sized pipeline leakage detection device and detection method for nuclear power plant | |
| CN108860510B (en) | Water rescue unmanned aerial vehicle with net body and operation method thereof | |
| CN113074881B (en) | Leakage detection device | |
| CN104325282A (en) | Lock screw mechanical device and lock screw driving control method thereof | |
| CN104634524B (en) | Air-tightness detection device | |
| CN217384567U (en) | LED display screen airtightness detection device | |
| CN112846455A (en) | Protective gas retaining device for pipeline installation | |
| CN109396809A (en) | Valve cock automatic assembling apparatus | |
| CN107461210B (en) | Grabbing device and heading machine | |
| CN114441112A (en) | Firefighter uniform airtightness detection device and detection method thereof | |
| CN109655213A (en) | A kind of gloves gas leak detection device and its working method | |
| CN106124141B (en) | A kind of gloves air-leakage test and palming equipment | |
| CN113751955A (en) | Large-scale pipeline welding processing system | |
| CN211504576U (en) | Ball valve air tightness detection device | |
| CN218546055U (en) | EV relay helium mass spectrum leak hunting frock | |
| CN219036320U (en) | Pipeline leakage detector | |
| CN216926745U (en) | Cable pipeline overhauls device for electric power engineering | |
| CN114705377A (en) | Portable protective clothing air tightness detection device and method | |
| CN220490293U (en) | Multifunctional mechanical equipment detection and debugging device | |
| CN211651984U (en) | Valve leakproofness detection device convenient to carry | |
| CN109296785B (en) | Blower check valve | |
| CN112975406A (en) | Rocker arm machining equipment and machining method thereof | |
| CN111536799A (en) | Temperature measuring device for vacuum melting furnace | |
| CN205593717U (en) | Motor skeleton oil blanket gas tightness detection device | |
| CN218236624U (en) | Internal pipeline inspection device for building fire-fighting water |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |