Multi-station air tightness detection device for stop valve

Abstract

The invention discloses a multi-station air tightness detection device for a stop valve, and relates to the technical field of air tightness detection. The device comprises a device body, a driver is arranged at the top of the device body, a plurality of positioning grooves are formed in the top of the driver at equal intervals, sealing assemblies are arranged in the positioning grooves of the driver, an inflator is arranged in the center of the top of the driver, and a hydraulic telescopic column is arranged on the outer wall of the inflator; an anti-deviation device is arranged on the edge of the top of the driver, and an anti-pollution device is arranged in the anti-deviation device. By means of the clamping stability of the hydraulic clamping device on the stop valve and the downward pressure of the electric telescopic rod, the good stability of the stop valve in the detection process is guaranteed, and the situation that errors occur in the detection result due to the dislocation phenomenon is avoided; and the situation that the labor intensity of workers is increased due to the fact that the workers need to press the stop valve with large force in the detection process of the stop valve is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of air tightness detection, in particular to a multi-position air tightness detection device for a stop valve. Background Art

[0002] The stop valve, also known as the gate valve, is a forced sealing valve. With the continuous development of related technologies, the application scope of the stop valve is becoming wider and wider, and at the same time, the performance requirements of the stop valve are becoming more and more stringent. The air tightness test is a must-do test item in the process of stop valve performance testing, which is directly related to the use effect and life of the stop valve.

[0003] The patent with the patent announcement number CN212931827U discloses a stop valve air tightness detection device, which solves the problems of stop valve air tightness detection accuracy, detection efficiency, and automatic sorting of stop valves. The utility model includes a sensing device and an inflation module; the inflation module is hollow inside, and has a connection port adapted to the valve on the outside, the connection port is communicated with the internal cavity of the inflation module, the inflation module is connected to the valve through the connection port, the inner cavity of the inflation module and the valve can form a closed space, the inflation module is also provided with an air inlet and a sensing port, the air inlet and the sensing port are both communicated with the inner cavity of the inflation module, and the gas enters the inflation module through the air inlet; the sensing device includes a sensor and an air pressure probe, the air pressure probe is electrically connected to the sensor, and the air pressure probe is located in the sensing port. The patent has a simple structure, a simple detection process, improves the accuracy and detection efficiency of air tightness detection, and achieves the advantages of automatic sorting.

[0004] However, the device still has some shortcomings: the device can improve the accuracy of airtightness detection, but during the detection process, the staff needs to manually position and place the stop valve, which prolongs the placement time between the stop valve and the detection instrument. At the same time, a large force is required to stabilize the valve and the detection instrument to ensure the accuracy of the test results, which increases the workload of the staff. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a multi-position air tightness detection device for a stop valve, which solves the problems raised in the above-mentioned background technology.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a multi-position air tightness detection device for a stop valve, comprising a device body, a driver is arranged on the top of the device body, a plurality of positioning grooves are equidistantly provided on the top of the driver, a sealing assembly is arranged inside the positioning groove of the driver, an inflator is arranged at the center of the top of the driver, and a hydraulic telescopic column is arranged on the outer wall of the inflator;

[0007] The top edge of the driver is provided with anti-deviating devices having the same number as the positioning grooves and corresponding to each other, an anti-pollution device is provided inside the anti-deviating device, and an anti-adhesion device is provided inside the anti-pollution device;

[0008] The anti-deviation device includes a detection component, the bottom of which is fixedly installed at the top edge of the driver, a connecting component is fixedly installed on the side of the detection component close to the center of the driver, a positioning rod is fixedly installed on the edge of the detection component close to the center of the driver, and a gas transmission component is penetrated and slidably installed at one end of the positioning rod close to the center of the driver, an L-shaped plate is fixedly installed at the top edge of the device body, a limiting rail is fixedly installed on the top of the inner wall of the L-shaped plate, an electric telescopic rod is slidably installed inside the limiting rail, a hydraulic clamp is fixedly installed at the bottom of the telescopic end of the electric telescopic rod, a U-shaped pressure plate is fixedly installed on the side of the hydraulic clamp close to the L-shaped plate, and an arc panel is fixedly installed on the outer wall of the positioning rod.

[0009] According to the above technical solution, the air delivery component is connected with the inflator through a hose, and the air delivery component is fixedly installed on the telescopic end of the hydraulic telescopic column near the inflator. The arc surface at the top of the arc panel is located on the movement trajectory of the bottom of the U-shaped pressure plate. The stop valve is placed in the top positioning groove of the driver, and the bottom of the stop valve is tightly docked with the sealing component. At the same time, the hydraulic telescopic column is started, and the telescopic end of the hydraulic telescopic column pushes the air delivery component to slide along the top of the driver. At the same time, the air delivery component itself will slide along the outer wall of the positioning rod for linear positioning during the sliding process. When one end of the air delivery component is docked with the stop valve, it will push the stop valve to move in the direction close to the L-shaped plate. The stop valve drives the sealing component to slide synchronously along the inside of the positioning groove until the other end of the stop valve is fitted and connected with the interface of the connecting component. At this time, the electric telescopic rod is started, and the telescopic end of the electric telescopic rod drives the hydraulic clamp to move downward, and the hydraulic clamp When it contacts the top of the stop valve, it automatically adjusts the clamping distance to tightly clamp the stop valve. The inflator inputs the detection gas into the gas transmission component through the hose, and the gas transmission component transmits gas to the inside of the stop valve. The detection component monitors whether the pressure changes to judge the air tightness of the stop valve. After the detection is completed, the hydraulic clamp first releases the clamp, and the gas transmission component pulls the stop valve and the sealing component to reset. At this time, the electric telescopic rod clamps the stop valve through the hydraulic clamp and moves upward and separates from the sealing component. The electric telescopic rod slides along the inside of the limit rail toward the main body of the device to facilitate the staff to take the stop valve, and then the electric telescopic rod slides to reset, and repeats this process; when the hydraulic clamp moves downward, it drives the U-shaped pressure plate to move synchronously. During the vertical downward movement of the U-shaped pressure plate, its own arc surface will contact the arc surface of the arc panel to generate resistance. At this time, the U-shaped pressure plate slides vertically downward along the vertical surface of the arc panel.

[0010] According to the above technical scheme, the anti-pollution device includes an L-shaped fixed plate, an exhaust assembly, a conveying pipe and a through plate, the bottom of the L-shaped fixed plate is fixedly installed on the fixed end of the electric telescopic rod near one side of the L-shaped plate, the bottom of the exhaust assembly is fixedly installed on the bottom of the inner wall of the L-shaped fixed plate, the top of the conveying pipe penetrates and is fixedly installed on the bottom of the exhaust assembly, the through plate is penetrated by a spring and slidably installed inside the L-shaped plate, and the bottom of the through plate is fixedly installed on the top of the L-shaped fixed plate. When the electric telescopic rod slides horizontally inside the limit rail, it drives the L-shaped fixed plate to move synchronously, the L-shaped fixed plate drives the exhaust assembly to move synchronously, and the exhaust assembly drives the conveying pipe to move synchronously. After the exhaust assembly is started, it absorbs dirt particles or air ash within its own moving range through the conveying pipe, and at the same time, the L-shaped fixed plate pulls the through plate to slide synchronously along the inside of the L-shaped plate. When the electric telescopic rod is reset, the above structures are reset synchronously and reciprocate.

[0011] According to the above technical scheme, the anti-pollution device also includes a U-shaped transmission plate, a hinged plate, a rifle rod, a sliding ring and a plurality of dust reduction mesh plates. The bottom of one end of the U-shaped transmission plate is fixedly installed on the top of the through-plate, and a U-shaped groove is opened at the other end of the U-shaped transmission plate. The top of the hinged plate is hinged inside the U-shaped groove of the U-shaped transmission plate. The bottom of the rifle rod is rotatably installed on the top of the driver. The sliding ring passes through and is threadedly connected to the outer wall of the rifle rod. Several of the dust reduction mesh plates are fixedly installed on the outer wall of the rifle rod.

[0012] The U-shaped transmission plate is rotatable and movable when the sliding ring is in the air. The U-shaped transmission plate is rotatable and movable when the sliding ring is in the air. The U-shaped transmission plate is rotatable and movable when the sliding ring is in the air. The U-shaped transmission plate is rotatable and movable when the sliding ring is in the air.

[0013] According to the above technical scheme, the anti-adhesion device includes a U-shaped frame, a plurality of friction wheels, a reciprocating screw, a plurality of collecting plates, a through rod and a limit plate. The outer walls of the two U-shaped frames are slidably installed on the outer wall surface of the dust reduction screen through longitudinal springs, and the plurality of friction wheels are symmetrically and rotatably installed inside the U-shaped frame. Both ends of the reciprocating screw are fixedly installed on the side of the friction wheel close to the axis of the U-shaped frame. The plurality of collecting plates penetrate through and are movably installed on the outer wall of the reciprocating screw. The outer wall of the through rod penetrates and is fixedly installed inside a plurality of collecting plates. Both sides of the limit plate are fixedly installed inside the U-shaped frame.

[0014] The U-shaped frame is reset by the spring force after the sliding ring is reset. When the U-shaped frame drives the friction wheel to slide along the outer wall of the dust reduction mesh plate, the friction wheel generates friction and starts to rotate. The friction wheel drives the reciprocating screw rod to rotate synchronously. When the reciprocating screw rod rotates, it is restricted by the reciprocating spiral groove on its own outer wall and the built-in blocks of the several collecting plates. At this time, when the reciprocating screw rod rotates, it drives the several collecting plates to slide back and forth horizontally on their own outer walls with the help of the limiting of the through rod and reset. When the collecting plate slides horizontally along the bottom of the limiting plate, it scrapes the outer wall of the dust reduction mesh plate back and forth horizontally.

[0015] According to the above technical solution, the anti-adhesion device also includes a plurality of elastic sheets and a plurality of impact columns. The plurality of elastic sheets are symmetrically and fixedly installed between the top of the dust reduction mesh and the top of the inner wall of the U-shaped frame. One ends of the plurality of impact columns are symmetrically and fixedly installed on the concave surface of the elastic sheets. When the U-shaped frame moves downward, the elastic sheets are driven to move synchronously. After being restricted by the dust reduction mesh, the bottom of the elastic sheet is deformed and bent and accumulates force. When the symmetrically distributed elastic sheets are bent synchronously, the impact columns are driven to move away from each other synchronously. When the U-shaped frame is reset, the elastic sheets drive the impact columns to reset suddenly and collide with each other to generate vibration.

[0016] The present invention provides a multi-position air tightness detection device for a stop valve. It has the following beneficial effects:

[0017] (1) The present invention realizes the simultaneous air tightness detection of multiple stop valves at multiple stations by setting an anti-deviating device and cooperating with a detection component, a connecting component, a positioning rod, an air supply component, an L-shaped plate, a limit rail, an electric telescopic rod, a hydraulic clamp, a U-shaped pressure plate and an arc plate, thereby improving the use effect and the detection efficiency, and at the same time improving the clamping stability of the hydraulic clamp on the stop valve and the downward pressure of the electric telescopic rod on the stop valve, thereby ensuring the good stability of the stop valve during the detection process, avoiding the occurrence of misalignment and thus causing errors in the detection results, and avoiding the need for workers to use greater force to press the stop valve during the stop valve detection process, thereby increasing the labor intensity of the workers; at the same time, with the help of the U-shaped pressure plate, it is ensured that the stop valve clamped by the hydraulic clamp is always directly above the sealing component, thereby avoiding the need for workers to manually perform the positioning work between the stop valve and the sealing component during the detection process, thereby prolonging the placement process of the stop valve and reducing the detection efficiency.

[0018] (2) The present invention sets an anti-pollution device, and cooperates with an electric telescopic rod, an L-shaped fixed plate, an exhaust assembly, a conveying pipe, a through plate, a U-shaped transmission plate, a hinged plate, a rifle rod, a sliding ring and a dust suppression screen. The through plate is used to block the top of the exhaust assembly to prevent the dirt pumped by the exhaust assembly from overflowing and flying around before entering the gauze bag connected to the output end of the exhaust assembly. At the same time, the activity range of the exhaust assembly is effectively expanded to ensure the cleanliness of the top surface of the driver, and to prevent dirt from overflowing into the positioning groove or the sealing assembly and other parts to contaminate the stop valve, thereby interfering with the detection accuracy; at the same time, the dust suppression screen is prompted to rotate and absorb the dust floating around the driver to prevent the dust from flying to the surface of the stop valve or the detection instrument, thereby preventing the overall maintenance difficulty of the equipment from increasing and shortening the service life of the equipment.

[0019] (3) The present invention adopts the setting of the anti-adhesion device, and cooperates with the sliding ring, U-shaped frame, friction wheel, reciprocating screw, collecting plate, through rod, limit plate, elastic sheet and impact column. The collecting plate scrapes and collects the dirt adsorbed on the surface of the dust reduction screen plate in a concentrated manner. The U-shaped frame effectively expands the scraping range of the collecting plate during the movement, and effectively prevents the surface of the dust reduction screen plate from becoming saturated due to excessive adsorption of dirt, and prevents the dust reduction screen plate from reducing its adsorption force on dirt after saturation, causing the dirt to detach for the second time and adhere to the surface of the stop valve. At the same time, the vibration force is used to reduce the adhesion of dirt on the surface of the dust reduction screen plate, so as to facilitate the scraping and collection of the collecting plate, and prevent the dirt from solidifying after long-term adhesion and becoming difficult to scrape off, thereby improving the scraping and collection effect of the collecting plate to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic diagram of the present invention as a whole;

[0021] Figure 2 It is a right side perspective schematic diagram of the present invention as a whole;

[0022] Figure 3 It is a schematic diagram of the anti-deviating device of the present invention;

[0023] Figure 4 It is a schematic diagram of a partial structure of the anti-deviating device of the present invention from a top perspective;

[0024] Figure 5 It is a schematic diagram of the anti-pollution device of the present invention;

[0025] Figure 6 This is a schematic diagram of the anti-pollution device of the present invention from a bottom perspective;

[0026] Figure 7 It is a schematic diagram of the anti-adhesion device of the present invention;

[0027] Figure 8 It is an overall enlarged schematic diagram of the anti-adhesion device of the present invention.

[0028] In the figure: 1. device body; 2. driver; 21. sealing assembly; 3. inflator; 31. hydraulic telescopic column; 4. anti-deviating device; 41. detection assembly; 42. connecting assembly; 43. positioning rod; 44. gas transmission assembly; 45. L-shaped plate; 46. limit rail; 47. electric telescopic rod; 48. hydraulic clamp; 49. U-shaped pressure plate; 410. arc panel; 5. anti-pollution device; 51. L-shaped fixing plate; 52. exhaust assembly; 53. conveying pipe; 54. through plate; 55. U-shaped transmission plate; 56. hinged plate; 57. rifle rod; 58. sliding ring; 59. dust suppression mesh plate; 6. anti-attachment device; 61. U-shaped frame; 62. friction wheel; 63. reciprocating screw rod; 64. collecting plate; 65. through rod; 66. limit plate; 67. elastic sheet; 68. impact column. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0030] See also Figure 1 - Figure 8 One embodiment of the present invention is: a multi-position air tightness detection device for a stop valve, comprising a device body 1, a driver 2 is arranged on the top of the device body 1, a plurality of positioning grooves are equidistantly provided on the top of the driver 2, a sealing component 21 is arranged inside the positioning groove of the driver 2, an inflator 3 is arranged at the center of the top of the driver 2, and a hydraulic telescopic column 31 is arranged on the outer wall of the inflator 3;

[0031] The top edge of the driver 2 is provided with anti-deviating devices 4, the number of which is the same as that of the positioning grooves and corresponds one to one, the interior of the anti-deviating devices 4 is provided with anti-pollution devices 5, and the interior of the anti-pollution devices 5 is provided with anti-adhesion devices 6;

[0032] The anti-deviation device 4 includes a detection component 41, the bottom of which is fixedly installed at the top edge of the driver 2, a connecting component 42 is fixedly installed on the side of the detection component 41 close to the center of the driver 2, a positioning rod 43 is fixedly installed on the edge of the side of the detection component 41 close to the center of the driver 2, and a gas transmission component 44 is slidably installed through one end of the positioning rod 43 close to the center of the driver 2, an L-shaped plate 45 is fixedly installed at the top edge of the device body 1, a limiting rail 46 is fixedly installed on the top of the inner wall of the L-shaped plate 45, an electric telescopic rod 47 is slidably installed inside the limiting rail 46, a hydraulic clamp 48 is fixedly installed at the bottom of the telescopic end of the electric telescopic rod 47, a U-shaped pressure plate 49 is fixedly installed on the side of the hydraulic clamp 48 close to the L-shaped plate 45, and an arc panel 410 is fixedly installed on the outer wall of the positioning rod 43.

[0033] The air supply component 44 is connected to the inflator 3 through a hose. The air supply component 44 is fixedly installed on the telescopic end of the hydraulic telescopic column 31 near the side of the inflator 3. The top arc surface of the arc panel 410 is located on the bottom movement trajectory of the U-shaped pressure plate 49. Through the above cooperation, the air tightness detection of multiple stop valves in multiple stations can be carried out simultaneously, which improves the use effect and the detection efficiency. At the same time, the clamping stability of the hydraulic clamp 48 on the stop valve and the downward pressure of the electric telescopic rod 47 on the stop valve are improved, so as to ensure the good stability of the stop valve during the detection process, avoid the occurrence of misalignment, which may lead to errors in the detection results, and avoid the need for staff to use greater force to press the stop valve during the stop valve detection process, thereby increasing the labor intensity of the staff; through the above cooperation, with the help of the U-shaped pressure plate 49, it is ensured that the stop valve clamped by the hydraulic clamp 48 is always directly above the sealing component 21, so as to avoid the need for staff to manually perform the positioning work between the stop valve and the sealing component 21 during the detection process, resulting in the placement process of the stop valve being prolonged and the detection efficiency being reduced.

[0034] When in use, put the stop valve into the top positioning groove of the driver 2, and the bottom of the stop valve is tightly connected with the sealing component 21, and the hydraulic telescopic column 31 is started at the same time. The telescopic end of the hydraulic telescopic column 31 pushes the gas delivery component 44 to slide along the top of the driver 2. At the same time, the gas delivery component 44 will slide along the outer wall of the positioning rod 43 for linear positioning during the sliding process. When one end of the gas delivery component 44 is connected with the stop valve, it will push the stop valve to move in the direction close to the L-shaped plate 45. Since the sealing component 21 is movably arranged inside the positioning groove, the stop valve drives the sealing component 21 to slide synchronously along the inside of the positioning groove until the other end of the stop valve is connected with the connecting component. The interface of 42 is connected, and the electric telescopic rod 47 is started. The telescopic end of the electric telescopic rod 47 drives the hydraulic clamp 48 to move downward. When the hydraulic clamp 48 contacts the top of the stop valve, the clamping distance is automatically adjusted to tightly clamp the stop valve. The inflator 3 inputs the detection gas into the gas delivery component 44 through the hose, and the gas delivery component 44 delivers gas to the inside of the stop valve. The pressure is monitored by the detection component 41 to determine whether the air tightness of the stop valve occurs. After the detection is completed, the hydraulic clamp 48 releases the clamp first, and the gas delivery component 44 pulls the stop valve and the sealing component 21 to reset. At this time, the electric telescopic rod 47 clamps the stop valve through the hydraulic clamp 48. The stop valve is held to move upward and detach from the sealing component 21, and the electric telescopic rod 47 slides along the inner side of the limit rail 46 toward the positive direction of the device body 1 to facilitate the staff to take the stop valve, and then the electric telescopic rod 47 slides to reset, and repeats this process. Through the above cooperation, the air tightness detection of multiple stop valves in multiple stations can be carried out simultaneously, which improves the use effect and the detection efficiency, and at the same time improves the clamping stability of the hydraulic clamp 48 on the stop valve and the downward pressure of the electric telescopic rod 47 on the stop valve, so as to ensure the good stability of the stop valve during the detection process, avoid the occurrence of misalignment and thus cause errors in the detection results, and avoid the need for staff to Using a greater force to press the stop valve increases the labor intensity of the staff; when the hydraulic clamp 48 moves downward, it drives the U-shaped pressure plate 49 to move synchronously. During the vertical downward movement of the U-shaped pressure plate 49, its own arc surface will contact the arc surface of the arc panel 410 to generate a resistance force. At this time, the U-shaped pressure plate 49 slides vertically downward along the vertical surface of the arc panel 410. Through the above cooperation, with the help of the U-shaped pressure plate 49, the stop valve clamped by the hydraulic clamp 48 is always directly above the sealing component 21, avoiding the need for manual positioning between the stop valve and the sealing component 21 during the detection process, resulting in prolonged placement of the stop valve and reduced detection efficiency.

[0035] See also Figure 1 - Figure 8 , based on the above embodiment, another embodiment of the present invention further includes an anti-pollution device 5;

[0036] The anti-pollution device 5 comprises an L-shaped fixed plate 51, an air extraction component 52, a conveying pipe 53 and a penetration plate 54. The bottom of the L-shaped fixed plate 51 is fixedly mounted on the fixed end of the electric telescopic rod 47 near one side of the L-shaped plate 45. The bottom of the air extraction component 52 is fixedly mounted on the bottom of the inner wall of the L-shaped fixed plate 51. The top of the conveying pipe 53 penetrates and is fixedly mounted on the bottom of the air extraction component 52. The penetration plate 54 penetrates and is slidably mounted inside the L-shaped plate 45 through a spring. The bottom of the penetration plate 54 is fixedly mounted on the top of the L-shaped fixed plate 51. When the electric telescopic rod 47 slides horizontally inside the limit rail 46, the L-shaped fixed plate 51 is driven to move synchronously. Through the above cooperation, the penetration plate 54 is relied on to block the top of the air extraction component 52 to prevent the dirt pumped by the air extraction component 52 from overflowing and flying around before entering the yarn bag connected to the output end of the air extraction component 52. At the same time, the activity range of the air extraction component 52 is effectively expanded to ensure the cleanliness of the top surface of the driver 2, and to prevent dirt from overflowing into the positioning groove or the sealing component 21 and other parts to pollute the stop valve, thereby interfering with the detection accuracy.

[0037] The anti-pollution device 5 also includes a U-shaped transmission plate 55, a hinged plate 56, a rifle rod 57, a sliding ring 58 and a plurality of dust reduction mesh plates 59. The bottom of one end of the U-shaped transmission plate 55 is fixedly installed on the top of the penetration plate 54, and a U-shaped groove is opened at the other end of the U-shaped transmission plate 55. The top of the hinged plate 56 is hinged inside the U-shaped groove of the U-shaped transmission plate 55. The bottom of the rifle rod 57 is rotatably installed on the top of the driver 2. The sliding ring 58 penetrates inside and is threadedly connected to the outer wall of the rifle rod 57. A plurality of dust reduction mesh plates 59 are fixedly installed on the outer wall of the rifle rod 57.

[0038] A torsion spring is arranged between the top of the hinged plate 56 and the U-shaped transmission plate 55, the outer wall of the sliding ring 58 is hinged to the bottom of the hinged plate 56, and a plurality of dust suppression mesh plates 59 are evenly distributed on the outer wall of the rifle rod 57. Through the above coordination, the dust suppression mesh plates 59 are caused to rotate and absorb the dust flying around the driver 2, so as to prevent the dust from flying to the surface of the stop valve or the detection instrument, thereby preventing the overall maintenance difficulty of the equipment from increasing and shortening the service life of the equipment.

[0039] When in use, the electric telescopic rod 47 drives the L-shaped fixed plate 51 to move synchronously when sliding horizontally inside the limit rail 46, and the L-shaped fixed plate 51 drives the exhaust component 52 to move synchronously, and the exhaust component 52 drives the conveying pipe 53 to move synchronously. After the exhaust component 52 is started, the dirt particles or air dust within its own moving range are absorbed through the conveying pipe 53, and at the same time, the L-shaped fixed plate 51 pulls the through plate 54 to slide synchronously along the inside of the L-shaped plate 45. When the electric telescopic rod 47 is reset, the above structures are reset synchronously and reciprocate in this way. Through the above cooperation, the through plate 54 is relied on to block the top of the exhaust component 52 to prevent the dirt pulled by the exhaust component 52 from overflowing and flying around before entering the gauze bag connected to the output end of the exhaust component 52, and at the same time effectively expand the activity range of the exhaust component 52 to ensure the cleanliness of the top surface of the driver 2. , to prevent dirt from overflowing into the positioning groove or the sealing component 21 and other parts to contaminate the stop valve, thereby interfering with the detection accuracy; when the through plate 54 moves horizontally, it pulls the U-shaped transmission plate 55 to move synchronously, and the U-shaped groove of the U-shaped transmission plate 55 drives the hinged plate 56 to move synchronously. The bottom of the hinged plate 56 is restricted by the sliding ring 58, prompting its own hinge shaft to start rotating. At this time, the hinged plate 56 pushes the sliding ring 58 to slide downward along the outer wall of the rifle rod 57 with the hinge shaft as the axis. When the sliding ring 58 slides, it drives the threaded rifle rod 57 to rotate along the top of the driver 2, and the rifle rod 57 drives the dust reduction mesh plate 59 to rotate. Through the above cooperation, the dust reduction mesh plate 59 is prompted to rotate and absorb the dust floating around the driver 2, so as to prevent dust from flying to the surface of the stop valve or the detection instrument, etc., and prevent the overall maintenance difficulty of the equipment from increasing and shortening the service life of the equipment.

[0040] See also Figure 1 - Figure 8 , based on the above embodiment, another embodiment of the present invention further includes an anti-adhesion device 6;

[0041] The anti-adhesion device 6 includes a U-shaped frame 61, a plurality of friction wheels 62, a reciprocating screw rod 63, a plurality of collecting plates 64, a through rod 65 and a limit plate 66. The outer walls of the two U-shaped frames 61 are slidably installed on the outer wall surface of the dust suppression mesh plate 59 through longitudinal springs. The plurality of friction wheels 62 are symmetrically and rotatably installed inside the U-shaped frame 61. Both ends of the reciprocating screw rod 63 are fixedly installed on the side of the friction wheel 62 close to the axis of the U-shaped frame 61. The plurality of collecting plates 64 penetrate through the inner wall of the reciprocating screw rod 63 and are movably installed. The outer wall of the through rod 65 penetrates through and is fixedly installed inside the plurality of collecting plates 64. Both sides of the limit plate 66 are fixedly installed inside the U-shaped frame 61.

[0042] The top of the U-shaped frame 61 is located on the movement trajectory of the bottom of the sliding ring 58, the outer walls of several friction wheels 62 are in contact with the outer wall of the dust reduction mesh 59, and the bottom of the limiting plate 66 is slidably connected to the top of the collecting plate 64. Through the above cooperation, the collecting plate 64 is relied on to scrape and collect the dirt adsorbed on the surface of the dust reduction mesh 59, and the U-shaped frame 61 effectively expands the scraping range of the collecting plate 64 during the movement, effectively preventing the surface of the dust reduction mesh 59 from becoming saturated due to excessive adsorption of dirt, and preventing the dust reduction mesh 59 from having a reduced adsorption force on dirt after saturation, causing the dirt to detach for the second time and adhere to the surface of the stop valve.

[0043] The anti-adhesion device 6 also includes a plurality of elastic sheets 67 and a plurality of impact columns 68. The plurality of elastic sheets 67 are symmetrically and fixedly installed between the top of the dust reduction mesh plate 59 and the top of the inner wall of the U-shaped frame 61. One end of the plurality of impact columns 68 are symmetrically and fixedly installed on the concave surface of the elastic sheet 67. Through the above coordination, the adhesion force of dirt on the surface of the dust reduction mesh plate 59 is reduced by relying on vibration force, which facilitates the scraping and collection of the collection plate 64, prevents the dirt from solidifying after being attached for a long time and becoming difficult to scrape off, and improves the scraping and collection effect of the collection plate 64 to a certain extent.

[0044] When in use, the sliding ring 58 will press the U-shaped frame 61 to slide synchronously downward along the outer wall of the dust reduction mesh plate 59 during the downward movement. After the sliding ring 58 is reset, the U-shaped frame 61 is reset by the spring force. The U-shaped frame 61 drives the friction wheel 62 to slide along the outer wall of the dust reduction mesh plate 59, prompting the friction wheel 62 to generate friction and start to rotate. The friction wheel 62 drives the reciprocating screw rod 63 to rotate synchronously. When the reciprocating screw rod 63 rotates, it is restricted by the reciprocating spiral groove on its own outer wall and the built-in blocks of several collecting plates 64. At this time, when the reciprocating screw rod 63 rotates, it drives several collecting plates 64 to slide reciprocatingly horizontally on their own outer walls with the help of the limit of the through rod 65 and reset. When the collecting plate 64 slides horizontally along the bottom of the limiting plate 66, the outer wall of the dust reduction mesh plate 59 will be scraped reciprocatingly horizontally. Through the above cooperation, the collecting plate 64 scrapes and collects the dirt adsorbed on the surface of the dust reduction mesh plate 59, and the U-shaped frame 61 moves The scraping range of the collecting plate 64 is effectively expanded during the process, and the surface of the dust reduction mesh plate 59 is effectively prevented from becoming saturated due to excessive adsorption of dirt, so as to prevent the dust reduction mesh plate 59 from reducing its adsorption force on dirt after being saturated, causing the dirt to detach for the second time and adhere to the surface of the stop valve; when the U-shaped frame 61 moves downward, it drives the elastic sheet 67 to move synchronously, and the bottom of the elastic sheet 67 is deformed and bent after being restricted by the dust reduction mesh plate 59 and accumulates force. When the symmetrically distributed elastic sheets 67 are bent synchronously, they drive the impact columns 68 to move away from each other synchronously. When the U-shaped frame 61 is reset, the elastic sheets 67 drive the impact columns 68 to reset suddenly and collide with each other to generate vibration. Through the above cooperation, the vibration force is used to reduce the adhesion of dirt on the surface of the dust reduction mesh plate 59, so that the collecting plate 64 is convenient for scraping and collecting, and the dirt is prevented from solidifying after long-term adhesion and becoming difficult to scrape off, thereby improving the scraping and collection effect of the collecting plate 64 to a certain extent.

[0045] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A stop valve multi-position air tightness detection device, comprising a device body (1), characterized in that: A driver (2) is arranged on the top of the device body (1), a plurality of positioning grooves are equidistantly provided on the top of the driver (2), a sealing assembly (21) is arranged inside the positioning groove of the driver (2), an inflator (3) is arranged at the center of the top of the driver (2), and a hydraulic telescopic column (31) is arranged on the outer wall of the inflator (3); The top edge of the driver (2) is provided with anti-deviating devices (4) whose number is the same as and corresponds to the positioning grooves, and the anti-pollution device (5) is provided inside the anti-deviating device (4), and the anti-adhesion device (6) is provided inside the anti-pollution device (5); The anti-deviating device (4) comprises a detection component (41), the bottom of the detection component (41) is fixedly mounted on the top edge of the driver (2), a connecting component (42) is fixedly mounted on the side of the detection component (41) close to the center of the driver (2), a positioning rod (43) is fixedly mounted on the side of the detection component (41) close to the center of the driver (2), a gas transmission component (44) is penetrated and slidably mounted on one end of the positioning rod (43) close to the center of the driver (2), an L-shaped plate (45) is fixedly mounted on the top edge of the device body (1), a limit rail (46) is fixedly mounted on the top of the inner wall of the L-shaped plate (45), an electric telescopic rod (47) is slidably mounted inside the limit rail (46), a hydraulic clamp (48) is fixedly mounted on the bottom of the telescopic end of the electric telescopic rod (47), a U-shaped pressure plate (49) is fixedly mounted on the side of the hydraulic clamp (48) close to the L-shaped plate (45), and an arc panel (410) is fixedly mounted on the outer wall of the positioning rod (43).

2. A stop valve multi-position air tightness detection device according to claim 1, characterized in that: The gas delivery component (44) is connected to the inflator (3) through a hose, and the gas delivery component (44) is fixedly mounted on the telescopic end of the hydraulic telescopic column (31) close to the side of the inflator (3), and the top arc surface of the arc panel (410) is located on the bottom movement track of the U-shaped pressure plate (49).

3. A stop valve multi-position air tightness detection device according to claim 1, characterized in that: The anti-pollution device (5) comprises an L-shaped fixed plate (51), an air extraction component (52), a delivery pipe (53) and a penetration plate (54); the bottom of the L-shaped fixed plate (51) is fixedly mounted on the fixed end of the electric telescopic rod (47) near one side of the L-shaped plate (45); the bottom of the air extraction component (52) is fixedly mounted on the bottom of the inner wall of the L-shaped fixed plate (51); the top of the delivery pipe (53) penetrates and is fixedly mounted on the bottom of the air extraction component (52); the penetration plate (54) penetrates and is slidably mounted inside the L-shaped plate (45) via a spring; the bottom of the penetration plate (54) is fixedly mounted on the top of the L-shaped fixed plate (51).

4. A stop valve multi-position air tightness detection device according to claim 3, characterized in that: The anti-pollution device (5) also includes a U-shaped transmission plate (55), a hinged plate (56), a rifle rod (57), a sliding ring (58) and a plurality of dust suppression screens (59). The bottom of one end of the U-shaped transmission plate (55) is fixedly mounted on the top of the penetration plate (54). The other end of the U-shaped transmission plate (55) is provided with a U-shaped groove. The top of the hinged plate (56) is hinged inside the U-shaped groove of the U-shaped transmission plate (55). The bottom of the rifle rod (57) is rotatably mounted on the top of the driver (2). The sliding ring (58) penetrates inside and is threadedly connected to the outer wall of the rifle rod (57). The plurality of dust suppression screens (59) are fixedly mounted on the outer wall of the rifle rod (57).

5. A stop valve multi-position air tightness detection device according to claim 4, characterized in that: A torsion spring is arranged between the top of the hinged plate (56) and the U-shaped transmission plate (55), the outer wall of the sliding ring (58) is hinged to the bottom of the hinged plate (56), and a plurality of dust suppression screens (59) are equidistantly distributed on the outer wall of the rifle rod (57).

6. A stop valve multi-position air tightness detection device according to claim 1, characterized in that: The anti-adhesion device (6) comprises two U-shaped frames (61), a plurality of friction wheels (62), a reciprocating screw rod (63), a plurality of collecting plates (64), a through rod (65) and a limit plate (66); the outer walls of the two U-shaped frames (61) are slidably mounted on the outer wall surface of the dust suppression screen plate (59) via longitudinal springs; the plurality of friction wheels (62) are symmetrically and rotatably mounted inside the U-shaped frames (61); both ends of the reciprocating screw rod (63) are fixedly mounted on one side of the friction wheel (62) close to the axis of the U-shaped frame (61); the plurality of collecting plates (64) penetrate and are movably mounted on the outer wall of the reciprocating screw rod (63); the outer wall of the through rod (65) penetrates and is fixedly mounted inside the plurality of collecting plates (64); and both sides of the limit plate (66) are fixedly mounted inside the U-shaped frames (61).

7. A stop valve multi-position air tightness detection device according to claim 6, characterized in that: The top of the U-shaped frame (61) is located on the movement track of the bottom of the sliding ring (58), the outer walls of the plurality of friction wheels (62) are in contact with the outer wall of the dust suppression screen (59), and the bottom of the limiting plate (66) is slidably connected to the top of the collecting plate (64).

8. A stop valve multi-position air tightness detection device according to claim 7, characterized in that: The anti-adhesion device (6) further comprises a plurality of elastic sheets (67) and a plurality of impact columns (68), wherein the plurality of elastic sheets (67) are symmetrically and fixedly mounted between the top of the dust suppression mesh plate (59) and the top of the inner wall of the U-shaped frame (61), and one end of the plurality of impact columns (68) are symmetrically and fixedly mounted on the concave surface of the elastic sheet (67).

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