CN117433705A - Air tightness detection device for hub - Google Patents

Air tightness detection device for hub Download PDF

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Publication number
CN117433705A
CN117433705A CN202311430956.0A CN202311430956A CN117433705A CN 117433705 A CN117433705 A CN 117433705A CN 202311430956 A CN202311430956 A CN 202311430956A CN 117433705 A CN117433705 A CN 117433705A
Authority
CN
China
Prior art keywords
air
rotating plate
sliding
hub
water tank
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
Application number
CN202311430956.0A
Other languages
Chinese (zh)
Inventor
钱炜麟
黄志强
朱立民
赵云
黄佳
柳伟
高强
黄明辉
刘素涛
张新
赵立冰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qinhuangdao Zhongqin Bohai Wheel Hub Co ltd
Original Assignee
Qinhuangdao Zhongqin Bohai Wheel Hub Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Qinhuangdao Zhongqin Bohai Wheel Hub Co ltd filed Critical Qinhuangdao Zhongqin Bohai Wheel Hub Co ltd
Priority to CN202311430956.0A priority Critical patent/CN117433705A/en
Publication of CN117433705A publication Critical patent/CN117433705A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/06Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/48Thermography; Techniques using wholly visual means
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J2005/0077Imaging

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Examining Or Testing Airtightness (AREA)

Abstract

The invention discloses an air tightness detection device for a hub, and relates to the technical field of air tightness detection. Including the chassis, the chassis rigid coupling has the fresh water tank, it has water to deposit in the fresh water tank, the fresh water tank is provided with control panel, fresh water tank sliding connection has the bull stick, the upper end rigid coupling of bull stick has first commentaries on classics board, first commentaries on classics board is located the top of fresh water tank interior water, the upside of first commentaries on classics board is provided with first gasbag, the second mount be provided with the driving piece that control panel electricity is connected, the driving piece be provided with the driving motor that control panel electricity is connected, driving motor's drive shaft rigid coupling has the second commentaries on classics board, the downside of second commentaries on classics board is provided with the second gasbag. According to the invention, the first air bag and the second air bag are matched to flexibly wrap the hub, so that the connection between the hub and the outside is isolated, and the influence on judgment caused by gas leakage at two sides of the hub is prevented.

Description

Air tightness detection device for hub
Technical Field
The invention relates to the technical field of air tightness detection, in particular to an air tightness detection device for a hub.
Background
In order to ensure normal use of the automobile hub, the air tightness of the automobile hub is usually required to be detected when the automobile hub is produced, and the existing hub air tightness detection method comprises an air pressure change detection method, a water immersion detection method, a detector detection method and the like.
Taking a water immersion detection method as an example: the water logging detection method is to seal the upper side and the lower side of the hub through fixing equipment, then submerge the hub into water through the fixing equipment, then inject gas into the hub, then carry the hub through the fixing equipment to rotate in water, observe whether gas leaks through the user, the gas can outwards discharge in the mode of bubbles after leaking in water, and then judge the gas leakage position and the gas leakage state of the hub through observing the position and the quantity of the bubbles leakage.
In the above detection mode, the existing fixing device usually needs to clamp and fix the hub above the water tank, although the existing fixing device is used for fixing the hub, the fixing mode of the fixing device is usually hard and cannot wrap the upper side and the lower side of the hub, after the hub is immersed in water, the positions of the upper side and the lower side of the hub, which are contacted with the fixing device, leak due to the hard fixing reason, if air is injected into the hub at this time, most of the air in the hub leaks from the upper side and the lower side of the hub, and then the air is required to be continuously injected into the hub, however, the hub in water can interfere with the position of the hub, which is truly leaked by the upper side and the lower side, so that a user cannot accurately observe the leakage position of the hub.
Disclosure of Invention
In order to overcome the defect that the existing fixing mode cannot wrap and fix the hub, the invention provides an air tightness detection device for the hub.
The technical scheme of the invention is as follows: the utility model provides a gas tightness detection device that wheel hub was used, includes the chassis, the chassis rigid coupling has the fresh water tank, it has water to deposit in the fresh water tank, the fresh water tank is provided with control panel, fresh water tank sliding connection has the bull stick, the upper end rigid coupling of bull stick has first revolving board, first revolving board is located above the liquid level of fresh water tank inner water, the upside of first revolving board is provided with first gasbag, the fresh water tank rotates and is connected with the rotating turret, the upside rigid coupling of rotating turret has first mount, the fresh water tank rigid coupling has the second mount, the second mount be provided with the driving piece that the control panel electricity is connected, the driving piece be provided with the driving motor that the control panel electricity is connected, driving motor's drive shaft rigid coupling has the second revolving board, one side that the driving piece was kept away from is provided with the second gasbag, the driving piece is provided with first L shape frame, first L shape erect be provided with the subassembly and the first fixed subassembly that the control panel electricity is connected.
In addition, it is particularly preferred that the first fixing frame is fixedly connected with first air storage parts in mirror image distribution, air is stored in the first air storage parts, a second sliding part is connected in the first air storage parts in a sliding mode, one side, close to the first air bag, of the second sliding part is matched with the first rotating plate, one side, far away from the adjacent second sliding part, of the first air storage parts is communicated with the first air bag through a communicating pipe penetrating through the first rotating plate, and a flow dividing part is fixedly connected with the first air storage parts and located on one side, facing the rotating direction of the rotating rod, of the adjacent first air storage parts.
In addition, it is particularly preferred that a thermal imager is arranged on one side, close to the control panel, of the clear water tank, the thermal imager is electrically connected with the control panel, a spline is arranged on the upper portion of the rotating rod, the spline of the rotating rod is matched with the spline of the first fixing frame, a U-shaped frame is fixedly connected on one side, far away from the rotating rod, of the first rotating plate, a first sliding piece is connected to the U-shaped frame in a sliding mode, and a spring is arranged between the first sliding piece and the U-shaped frame.
In addition, it is particularly preferable that a guide rod distributed in an annular array is fixedly connected to one side of the second rotating plate facing the clear water tank, the first rotating plate is located below the guide rod, a through groove distributed in an annular array is arranged on one side of the first rotating plate facing the periphery of the first rotating plate, and the through groove of the first rotating plate is matched with the adjacent guide rod.
In addition, it is particularly preferred that the air inlet assembly comprises a first air inlet shell, the first air inlet shell is fixedly connected to one side, far away from the driving piece, of the first L-shaped frame, the first air inlet shell is in running fit with the second rotating plate, vent holes distributed in an annular array are formed in one side, facing the center of the circle, of the second rotating plate, the first air inlet shell is communicated with the vent holes distributed in an annular array on the center side of the second rotating plate, the first air inlet shell is communicated with a first air inlet pipe, and an exhaust fan electrically connected with the control panel is externally connected with the first air inlet pipe.
In addition, it is particularly preferred that the first fixing assembly comprises a second air inlet shell, the second air inlet shell is fixedly connected to one side, far away from the driving piece, of the first L-shaped frame, the second air inlet shell is in running fit with the first L-shaped frame, an annular array of vent holes are formed in one side, facing the periphery, of the second rotating plate, the second rotating plate is communicated with the second air bag through the peripheral vent holes, the second air bag is communicated with the second air inlet shell through the annular array of vent holes in the periphery of the second rotating plate, the second air inlet shell is communicated with a second air inlet pipe penetrating through the driving piece, and an exhaust fan electrically connected with the control panel is externally connected with the second air inlet pipe.
In addition, particularly preferred is, still include the second fixed subassembly, the second fixed subassembly set up in first revolving plate, the second fixed subassembly is including the second L shape frame that annular array distributes, annular array distributes the second L shape frame all rigid coupling in first revolving plate, second L shape frame sliding connection has the third slider, be provided with the extension spring between third slider and the adjacent second L shape frame.
In addition, it is particularly preferable that a floating member is arranged below the first rotating plate, the lower side of the floating member is attached to the liquid level of the water in the clean water tank, a sliding rod distributed in an annular array is fixedly connected to one side of the floating member, which faces the first rotating plate, of the floating member, the sliding rods distributed in the annular array are in sliding fit with the first rotating plate, and the sliding rod is matched with the adjacent third sliding member.
In addition, it is particularly preferred that the exhaust assembly is disposed on the first rotating plate, the exhaust assembly includes an air outlet shell with mirror image distribution, the air outlet shells with mirror image distribution are fixedly connected to one side of the first rotating plate facing the first sliding member, the first rotating plate is fixedly connected with a first air duct with mirror image distribution, the first air duct is communicated with the adjacent air outlet shell, opposite sides of the first air duct with mirror image distribution are respectively communicated with the outer Zhou Gujie of the first rotating plate through connecting plates, the height of the back side of the first air duct is higher than the liquid level of water in the clean water tank, the first rotating plate is fixedly connected with a connecting frame with mirror image distribution, the back side of the connecting frame is fixedly connected with the floating member, the air outlet shell is slidably connected with a sliding ring, and the sliding ring is fixedly connected with the adjacent connecting frame.
In addition, particularly preferred is, still include the air supplementing subassembly, the air supplementing subassembly sets up in the chassis, the air supplementing subassembly is including second air storage spare, second air storage spare rigid coupling in the chassis, second air storage spare with bull stick sliding fit, it has gas to deposit in the second air storage spare, sliding connection has with the sliding plate of bull stick rigid coupling in the second air storage spare, second air storage spare is kept away from the second air duct of mirror image distribution is located to one side intercommunication of sliding plate, one side of first rotating plate towards its centre of a circle is provided with the venthole of annular array distribution, second air storage spare through slip post sliding connection have with the air guide shell of second air duct intercommunication of mirror image distribution, the air guide shell with bull stick spacing normal running fit, one side that the bull stick is close to adjacent the air guide shell is provided with mirror image distribution's communication hole, bull stick and the annular array distribution's of first rotating plate centre of a circle side hole intercommunication.
Compared with the prior art, the invention has the following advantages: according to the invention, the hub is flexibly wrapped through the cooperation of the first air bag and the second air bag, the connection between the hub and the outside is isolated, the influence of judgment caused by gas leakage on two sides of the hub is prevented, the upper side and the lower side of the hub are blocked by the first air bag and the second air bag, the connection between the hub and the outside is further isolated, the hub is kept in a sealed state before entering the clear water tank, the air inlet mode of one side of the protruding part of the hub is changed, one side of the protruding part of the hub is fixed in a proper amount, the air inlet mode of the first air bag on the flat side of the hub is quantitative air inlet, the flat side of the hub is fixed in a quantitative manner, so that hubs with different sizes are fixed, the hubs are driven to move by the second fixing assembly, the circle centers of the hub are overlapped with the circle centers of the first rotating plate and the second rotating plate, the hub cannot eccentrically rotate in the rotating process, and the hub is fixed by the second fixing assembly, and the hub is kept stable in the rotating process.
Drawings
FIG. 1 is a front view of a three-dimensional structure of the present invention;
FIG. 2 is a rear perspective view of the present invention;
FIG. 3 is a perspective sectional view of the washing tank of the present invention;
FIG. 4 is a schematic perspective view of a first fixing assembly according to the present invention;
FIG. 5 is a perspective cross-sectional view of a first air reservoir of the present invention;
fig. 6 is a schematic perspective view of an air supply assembly according to the present invention.
Reference numerals: 1. hub, 2, chassis, 3, clear water tank, 301, control panel, 302, thermal imager, 4, rotating rod, 5, first rotating plate, 501, U-shaped frame, 502, first slider, 6, first air bag, 7, rotating frame, 8, first fixed frame, 9, first air storage, 901, splitter, 10, second slider, 11, second fixed frame, 12, driving member, 13, driving motor, 14, second rotating plate, 1401, guide bar, 1402, second air bag, 15, first L-shaped frame, 16, air inlet assembly, 1601, first air inlet housing, 1602, first air inlet tube, 17, first fixed assembly, 1701, second air inlet housing, 1702, second air inlet tube, 18, second fixed assembly, 1801, second L-shaped frame, 1802, third slider, 1803, float, 1804, slide bar, 19, exhaust assembly, 1901, air outlet housing, 1902, first air duct, 3, connector, 1904, slip ring, 20, 2001, second air inlet housing, 1602, second air duct, 2004, air inlet housing, 2003, air guide housing.
Detailed Description
The following describes the technical scheme with reference to specific embodiments, and it should be noted that: terms indicating orientations, such as up, down, left, right, etc., are used herein only with respect to the position of the illustrated structure in the corresponding drawings. The parts themselves are numbered herein, for example: first, second, etc. are used solely to distinguish between the described objects and do not have any sequential or technical meaning. And the application is said to be as follows: connection, coupling, unless specifically stated otherwise, includes both direct and indirect connection (coupling).
Example 1: 1-4, including chassis 2, the upside rigid coupling of chassis 2 has clear water tank 3, the front side of clear water tank 3 is transparent glass, the user in time master the condition in the clear water tank 3, it has water to deposit in the clear water tank 3, the right part of clear water tank 3 front side is provided with control panel 301, the middle part sealing sliding connection of clear water tank 3 has bull stick 4, the upper end rigid coupling of bull stick 4 has first revolving plate 5, the position of first revolving plate 5 is higher than the liquid level in the clear water tank 3, the upside of first revolving plate 5 is provided with first gasbag 6, the flat side to wheel hub 1 after the inflation of first gasbag 6 carries out the parcel fixed, the lower part in the clear water tank 3 rotates and is connected with rotating frame 7, the upside rigid coupling of rotating frame 7 has first mount 8, first mount 8 is the circular ring of middle part plectane and both sides and disc rigid coupling, the left side rigid coupling of clear water tank 3 has second mount 11, the upper portion on the right side of second mount 11 is provided with first revolving plate 5, the upper end rigid coupling of bull stick 4 has, the first sliding piece 12, the position of first revolving plate 5 is higher than the liquid level in the clear water tank 3, the first gasbag 12, the upper side of first revolving plate 5 is provided with first gasbag 6, the first gasbag 12 and the second gasbag 12, the electric slider 13 is connected with electric slider 13 and the second sliding rail 13, the first side 13 is connected with electric slider 13, the second sliding piece 13 is connected with electric slider 13, the second sliding rail 13 is provided with electric slider 13, the second sliding piece 13 is connected with electric slider 13, the second sliding rail 13, the slide 13 is connected with electric slider 13 is in the second sliding rail 13, the side 13 is connected with electric slider 13 has the second sliding rail is connected with electric slider 13, the electric slider 13 is in the side 13 has the slide rail is connected with the electric slider 13 has the electric slider 13, the fixing device is used for fixing hubs 1 with different diameters, the hubs 1 are fixed through a first air bag 6 and a second air bag 1402, the hubs 1 are kept in a sealing state after being immersed in water, the hubs 1 are fixed in a soft mode through the first air bag 6 and the second air bag 1402, the upper side and the lower side of the hubs 1 are wrapped, a first L-shaped frame 15 is fixedly connected to the left portion of the lower side of an electric sliding block of a driving piece 12, the first L-shaped frame 15 is provided with an air inlet assembly 16 and a first fixing assembly 17, the air inlet assembly 16 is used for injecting air into the hubs 1, the first fixing assembly 17 is used for actively fixing the upper sides of the hubs 1, when the hubs 1 are placed, protruding portions on the hubs 1 face upwards, one flat side of the hubs 1 faces downwards, and the protruding portions of the hubs 1 are inconsistent, so that the hubs with different protruding portions need to be fixed and wrapped, and the hubs with different protruding portions are fixed through the cooperation of the first fixing assembly 17 and the second air bag 1402.
As shown in fig. 3 and 5, the first fixing frame 8 is fixedly connected with two first air storage pieces 9 distributed in a left-right mirror image mode, the first air storage pieces 9 are arranged to be cylindrical, air is stored in the first air storage pieces 9, a second sliding piece 10 is connected in the first air storage pieces 9 in a sliding mode, the upper sides of the second sliding pieces 10 are matched with the first rotating plate 5, the first air storage pieces 9 are communicated with the first air storage pieces 6 through communicating pipes, the first air storage pieces 9 are extruded through the second sliding pieces 10, the air in the first air storage pieces 9 is conveyed into the first air storage pieces 6, the lower sides of the hubs 1 are wrapped and fixed through expansion of the first air storage pieces 6, tightness of the lower sides of the hubs 1 is provided, the lower sides of the hubs 1 are smooth surfaces due to the fact that one sides of protruding portions of the hubs 1 face upwards, the lower sides of the first air storage pieces 9 are wrapped and fixed in a sliding mode, the first air storage pieces 901 are fixedly connected with the smooth surfaces of the lower sides of the hubs 1, the sliding pieces 901 are used for reducing contact areas of adjacent first air storage pieces 9 and water, the water storage pieces 9 are prevented from being disturbed by the rotating direction of the first rotating pieces 3, and the water storage pieces 3 are prevented from being disturbed from the clean water tank 3, and the water tank 3 is located in the direction of the clean water tank 3.
As shown in fig. 1, 3 and 5, a thermal imager 302 electrically connected to a control panel 301 is provided at the left part of the front side of the clear water tank 3, and a user observes the condition in the clear water tank 3 through the thermal imager 302, so that the user can grasp the condition in the clear water tank 3 at any time, and the principle of the thermal imager 302 is as follows: the temperature of wheel hub 1 gas leakage position can be higher than ambient temperature, because the gas that leaks from wheel hub 1 gas leakage position can rub with wheel hub 1's gas leakage position to produce heat, all above is described in detail of this kind of observation mode, and the upper portion of bull stick 4 is provided with the spline, and the middle part of first mount 8 and the spline cooperation of the upper portion of bull stick 4, and the upside rigid coupling of first rotor plate 5 has U-shaped frame 501, and U-shaped frame 501 sliding connection has first slider 502, is provided with the spring between first slider 502 and the U-shaped frame 501, and first slider 502 is used for supporting the inboard of wheel hub 1.
As shown in fig. 2 and fig. 4, four guide rods 1401 distributed in an annular array are fixedly connected to the lower side of the second rotating plate 14, the lower sides of the four guide rods 1401 are tapered, the first rotating plate 5 is located below the guide rods 1401, four through grooves distributed in an annular array are formed in one side, facing the periphery, of the first rotating plate 5, the four through grooves of the first rotating plate 5 are matched with the four guide rods 1401, the tapered lower sides of the guide rods 1401 are used for being conveniently inserted into the through grooves of adjacent first rotating plates 5, and after the four guide rods 1401 are inserted into the four through grooves of the first rotating plate 5, the first rotating plate 5 is limited.
As shown in fig. 1, 2 and 4, the air intake assembly 16 includes a first air intake shell 1601, the first air intake shell 1601 is rotatably connected to one side of the second rotating plate 14 near the center of the circle, the left side of the first air intake shell 1601 is fixedly connected with the first L-shaped frame 15, an annular array of air holes are disposed on one side of the second rotating plate 14 towards the center of the circle, the first air intake shell 1601 is communicated with the annular array of air holes on the center side of the second rotating plate 14, the first air intake shell 1601 is communicated with a first air intake pipe 1602, the first air intake pipe 1602 is externally connected with an exhaust fan, the exhaust fan externally connected with the first air intake pipe 1602 is electrically connected with the control panel 301, and air is injected into the hub 1 through the cooperation of the first air intake shell 1601 and the first air intake pipe 1602, so that a high pressure environment is formed in the hub 1.
As shown in fig. 1, 2 and 4, the first fixing unit 17 includes a second air intake housing 1701, the second air intake housing 1701 is rotatably connected to a side of the second rotating plate 14 near the outer periphery thereof, the left side of the second air intake housing 1701 is fixedly connected with the first L-shaped frame 15, a side of the second rotating plate 14 facing the outer periphery thereof is provided with vent holes distributed in an annular array, the second rotating plate 14 is communicated with the second air bag 1402 through the vent holes distributed in the annular array at the outer periphery of the second rotating plate 14, the second air bag 1402 is communicated with the second air intake housing 1701 through the vent holes distributed in the annular array at the outer periphery of the second rotating plate 14, the second air intake housing 1701 is communicated with a second air intake pipe 1702 penetrating through the driving member 12, an exhaust fan is externally connected with the second air intake pipe 1702, and the exhaust fan externally connected with the control panel 301 is electrically connected with the second air intake housing 1702, and air is injected into the second air bag 1402 through the cooperation of the second air intake housing 1701, the second air bag 1402 is inflated, and the second air bag 1402 is wrapped and fixed to the upper side of the hub 1.
When the air tightness of the hub 1 is detected, a user points one side of the protruding part of the hub 1 upwards, the user places the hub 1 on the first rotating plate 5 in the clean water tank 3, at the moment, one flat side of the hub 1 is attached to the upper sides of the first rotating plate 5 and the first air bag 6, the lower side in the hub 1 is attached to the upper side of the first sliding part 502, then the user controls the electric sliding block of the driving part 12 through the control panel 301 to drive the upper part of the driving part 12 to move downwards, the lower sides of the second rotating plate 14 and the upper part of the electric sliding block of the driving part 12 are contacted with one side of the protruding part of the hub 1, then the driving part 12 and the second rotating plate 14 drive the hub 1 to move downwards, the first rotating plate 5, the rotating rod 4 and the upper part of the first rotating plate 5 are simultaneously moved downwards, adjacent springs are extruded in the process of moving downwards, the elastic force provided by the adjacent springs of the first rotating plate 5 causes the first air bag 6 and the second air bag 1402 to diffuse outwards, and the tightness of the hub 1 is increased.
The second rotating plate 14 moves downwards, four guide rods 1401 are inserted into four through grooves of the first rotating plate 5, when the electric sliding blocks of the driving piece 12 extrude the first rotating plate 5 and the hub 1 and the upper parts thereof to the lower side of the first rotating plate 5 to be in contact with the two second sliding pieces 10, the electric sliding blocks of the driving piece 12 drive the upper parts thereof to continuously move downwards, the first rotating plate 5 drives the two second sliding pieces 10 to move downwards, adjacent springs are extruded in the process of moving the second sliding pieces 10 downwards, and gas in the two second sliding pieces 10 is extruded into the first air bag 6 through adjacent communicating pipes in the process of moving the second sliding pieces 10 downwards, so that the first air bag 6 is inflated, the area of the first air bag 6 wrapping the lower side of the hub 1 is increased, and the sealing performance of the lower side of the hub 1 is further enhanced.
When the electric slide block of the driving member 12, the first rotating plate 5 and the parts thereon move to the clear water tank 3 and the hub 1 is completely overflowed, a user controls the electric slide block of the driving member 12 through the control panel 301 to stop moving, at this time, the user starts the exhaust fan externally connected with the second air inlet pipe 1702 through the control panel 301, the exhaust fan externally connected with the second air inlet pipe 1702 pumps air into the second air inlet pipe 1702, the second air inlet pipe 1702 conveys the air into the second air inlet casing 1701, the air in the second air inlet casing 1701 is conveyed into the second air bag 1402 through the air conveying holes at the periphery of the second rotating plate 14, the second air bag 1402 is inflated, the area of the second air bag 1402 wrapping the upper side of the hub 1 is increased, the tightness of the upper side of the hub 1 is further enhanced, and after the second air bag 1402 wraps the upper side of the hub 1, the user closes the exhaust fan externally connected with the second air inlet pipe 1702 through the control panel 301.
After the upper and lower sides of the hub 1 have been fully wrapped by the second air bag 1402 and the first air bag 6, a user starts the exhaust fan externally connected with the first air inlet pipe 1602 through the control panel 301, the exhaust fan externally connected with the first air inlet pipe 1602 pumps air into the first air inlet pipe 1602, the first air inlet pipe 1602 conveys the air into the first air inlet shell 1601, the air in the first air inlet shell 1601 enters the hub 1 between the second rotating plate 14 and the first rotating plate 5 through the air hole at the center of the second rotating plate 14, and after the air inflow in the hub 1 is enough to enable the hub 1 to be in a high-pressure environment, the user closes the exhaust fan externally connected with the first air inlet pipe 1602 through the control panel 301.
After the high-pressure environment is formed in the hub 1, a user firstly observes the condition in the clean water tank 3 through the thermal imager 302, if the air in the hub 1 is not leaked outwards, the detected hub 1 is proved to be flawless, if the air in the hub 1 is leaked outwards, the detected hub 1 is proved to be flawed, the air in the hub 1 is leaked outwards, because the hub 1 is positioned in the water in the clean water tank 3, the air leaked out of the hub 1 can be diffused outwards in the form of bubbles, the user can timely grasp the condition in the clean water tank 3 through observing the condition in the clean water tank 3 through the thermal imager 302, and the tiny and human-eye-unaware gaps are formed, so that the user can carefully observe the condition of the hub 1, after the method is finished, the hub 1 is not leaked, the driving motor 13 is started through the control panel 301, the driving motor 13 drives the second rotating plate 14, the hub 1, the first rotating plate 5 and parts thereon through the four guide rods 1401, and the running process of the hub 1 imitates the running process on a road.
In the rotation process of the first rotating plate 5, the two first air storage pieces 9 and the flow dividing pieces 901 are used for dividing the water in the clean water tank 3 through the contact of the two flow dividing pieces 901 and the water in the clean water tank 3, so that the contact area of the two first air storage pieces 9 and the water in the clean water tank 3 is reduced, the water in the clean water tank 3 is disturbed in the rotation process of the two first air storage pieces 9, and the water in the clean water tank 3 is caused to be sprayed out from the clean water tank 3 after random surge.
After the detection of the hub 1 is completed, the driving motor 13 is turned off by using the control panel 301, then a user controls the electric sliding block of the driving member 12 and the upper part thereof to move upwards by using the control panel 301, the first rotating plate 5 moves upwards along with the electric sliding block of the driving member 12 and the upper part thereof under the action of the adjacent springs, the first rotating plate 5 gradually breaks away from contact with the two second sliding members 10 after moving upwards, the two second sliding members 10 reset upwards under the action of the adjacent springs, and the movement of the second sliding members 10 reset to pump the gas in the first gas bag 6 into the two second sliding members 10 again, so that the first gas bag 6 contracts, and the first gas bag 6 gradually loses the wrapping of the lower side of the hub 1.
When the first air bag 6 loses the package to the hub 1, under the action of the high pressure environment in the hub 1, the high pressure air in the hub 1 is gradually leaked from the lower side to the outer side so as to achieve the air release effect, at this time, a user starts the exhaust fan externally connected with the second air inlet pipe 1702 through the control panel 301, and the exhaust fan externally connected with the second air inlet pipe 1702 extracts the whole of the second air inlet pipe 1702, the second air inlet shell 1701 and the second air bag 1402, so that the second air bag 1402 contracts, and the second air bag 1402 gradually loses the package to the upper side of the hub 1, so that the air in the hub 1 is gradually leaked from the upper side to the outer side, and the air release speed in the hub 1 is accelerated.
When the air in the second air bag 1402 is exhausted, the user closes the exhaust fan externally connected with the second air inlet pipe 1702 through the control panel 301, and when the electric sliding block of the driving member 12 and the upper part thereof move to the position where the first rotating plate 5 is positioned above the liquid level of the water in the clean water tank 3, the electric sliding block of the driving member 12 stops moving upwards, at this time, the user starts the exhaust fan externally connected with the first air inlet pipe 1602 through the control panel 301, and the exhaust fan externally connected with the first air inlet pipe 1602 extracts the air in the first air inlet pipe 1602, the first air inlet shell 1601 and the hub 1, and after the hub 1 is in a positive pressure environment, the user closes the exhaust fan externally connected with the first air inlet pipe 1602 through the control panel 301.
When the inside of the hub 1 is in a positive pressure environment, the electric slide blocks of the driving member 12 drive the four guide rods 1401 to be separated from contact with the four through grooves of the first rotating plate 5, a user controls the electric slide blocks of the driving member 12 to stop moving through the control panel 301, and then the user takes out the hub 1, so that the detection of the hub 1 is proved to be completed.
Example 2: on the basis of the embodiment 1, as shown in fig. 3 and 5, the device further comprises a second fixing component 18, the second fixing component 18 is used for fixing the hub 1, the second fixing component 18 is arranged on the first rotating plate 5, the second fixing component 18 comprises a second L-shaped frame 1801 distributed in an annular array, four second L-shaped frames 1801 distributed in the annular array are fixedly connected to the peripheral side of the first rotating plate 5, the second L-shaped frame 1801 is in sliding connection with a third sliding piece 1802, the back sides of the four third sliding pieces 1802 distributed in the annular array are all provided with inclined planes, tension springs are arranged between the third sliding pieces 1802 and adjacent second L-shaped frames 1801, floating pieces 1803 are arranged below the first rotating plate 5, the cross section of each floating piece 1804 is elliptical and used for increasing the contact area with water in the water tank 3, the lower side of each floating piece 1803 is attached to the liquid level of the water tank 3, the floating pieces 1803 are fixedly connected to the peripheral sides of the first rotating plate 5, the four sliding bars distributed in the annular array face to one side of the first rotating plate 1804, the four sliding pieces are arranged on the annular array, the four sliding pieces are not matched with the circular arrays on the peripheral sides of the annular arrays, the circular arrays are arranged on the circular arrays, the circular arrays are not matched with the adjacent sliding pieces 1804, and are arranged on the circular arrays, the circular arrays are arranged on the first rotating plate 1804 and are in the position of the first rotating plate 5, and are not matched with the adjacent sliding pieces, and are arranged on the circular arrays, and are in the first rotating plate 5, and are matched with the first rotating plate through the circular sliding pieces, which is arranged, and have the circular slide piece and is arranged, and has an oval cross section, and is arranged.
As shown in fig. 3, 5 and 6, the device further comprises an exhaust component 19, the exhaust component 19 is used for accelerating the exhaust speed of the air in the hub 1, the exhaust component 19 is arranged on the first rotating plate 5, the exhaust component 19 comprises two air outlet shells 1901 distributed in a left-right mirror image mode, the two air outlet shells 1901 distributed in a left-right mirror image mode are fixedly connected to the upper side of the first rotating plate 5, the first rotating plate 5 is fixedly connected with two first air guide pipes 1902 distributed in a left-right mirror image mode, opposite sides of the two first air guide pipes 1902 distributed in a left-right mirror image mode are communicated with the two air outlet shells 1901, two connecting plates distributed in a left-right mirror image mode outside Zhou Tongguo of the first rotating plate 5 are fixedly connected with opposite sides of the two first air guide pipes 1902, and the opposite sides of the first air guide pipes 1902 are higher than the liquid level of the water in the clean water tank 3, when the first air guide pipes 1902 are used for exhausting outwards, if the first air duct 1902 discharges air into the fresh water tank 3, the exhaust speed in the first air duct 1902 is reduced, the first rotating plate 5 is fixedly connected with two connecting frames 1903 which are distributed in a left-right mirror image mode, the second sliding piece 10 is not positioned right below the adjacent connecting frame 1903 above, the opposite side of the connecting frame 1903 is fixedly connected with the floating piece 1803, the air outlet shell 1901 is slidably connected with a sliding ring 1904, the sliding ring 1904 is fixedly connected with the adjacent connecting frame 1903, when the sliding ring 1904 shields the adjacent air outlet shell 1901, the inside of the hub 1 is in a sealed environment, otherwise, when the sliding ring 1904 does not shield the adjacent air outlet shell 1901 any more, the air in the hub 1 can be discharged from the adjacent air outlet shell 1901, the air in the hub 1 is discharged outwards through the air outlet shell 1901 and the first air duct 1902, and the time of positive pressure environment in the hub 1 is shortened.
As shown in fig. 2, 3 and 6, the air supplementing assembly 20 is further included, the air supplementing assembly 20 is disposed on the bottom frame 2, the air supplementing assembly 20 includes a second air storage component 2001 slidably engaged with the rotating rod 4, the second air storage component 2001 is fixedly connected to the bottom frame 2, air is stored in the second air storage component 2001, a sliding plate 2002 is slidably connected to the second air storage component 2001, the sliding plate 2002 is fixedly connected to the lower end of the rotating rod 4, two second air guide pipes 2003 distributed in a left-right mirror image are communicated to the lower side of the second air storage component 2001, an air outlet hole distributed in a ring array is disposed on one side of the first air storage component 5 towards the center of the first air guide pipe, an air guide shell 2004 communicated with the second air guide pipes 2003 distributed in a mirror image is slidably connected to the second air storage component 2001 through a sliding column, the air guide shell 2004 is in limited rotation engagement with the rotating rod 4, a communication hole distributed in mirror image is disposed on one side of the rotating rod 4 close to the adjacent air guide shell 2004, the rotating rod 4 is communicated with the air outlet hole distributed in a ring array on the center side of the first air storage component 2001, the air storage component 2002 is communicated with the air outlet hole distributed in the center of the first air storage component 2004, the air storage component 2001 is fully compressed into the hub 1 through the air guide shell 2004 and the hub 1 through the sliding plate 4, and the air is fully compressed into the hub 1.
After the electric slide blocks of the driving part 12 drive the second rotating plate 14 and the upper parts thereof to move until the second air bag 1402 is attached to the upper side of the hub 1, as the floating part 1803 floats on the water level in the clear water tank 3, the four third sliding parts 1802 do not move towards the direction of the hub 1, the electric slide blocks of the driving part 12 drive the second rotating plate 14 and the hub 1 and the upper parts thereof to continue to move downwards, under the action of the water level in the clear water tank 3 floating part 1803, the four third sliding parts 1802 are extruded to move inwards by the four second L-shaped frames 1801, and the adjacent tension springs are stretched in the process of moving inwards of the second L-shaped frames 1801, and the hub 1 is extruded to the circle center to coincide with the circle centers of the first rotating plate 5 and the second rotating plate 14 through the inward movement of the four third sliding parts 1802, so that the hub 1 does not eccentrically rotate in the rotating process of simulating road running.
When the center of the wheel hub 1 coincides with the centers of the first rotating plate 5 and the second rotating plate 14, the two sliding rings 1904 shield the upper parts of the two air outlet shells 1901, so that a closed environment is formed in the wheel hub 1.
In the process that the electric sliding block of the driving piece 12 drives the hub 1, the first rotating plate 5, the rotating rod 4 and parts thereon to move downwards, the rotating rod 4 and the sliding plate 2002 move downwards to push gas in the second gas storage piece 2001 into the rotating rod 4 through the two second gas guide pipes 2003, and in the process that the whole of the two second gas guide pipes 2003 enters the rotating rod 4, the upper parts of the two second gas guide pipes 2003 enter the gas guide shell 2004, and the gas is conveyed into the rotating rod 4 through the communication hole of the rotating rod 4 through the gas guide shell 2004.
The gas in the rotating rod 4 is discharged from the gas outlet hole at the center of the first rotating plate 5 and is discharged into the hub 1 to pre-charge the hub 1, so that the time for the hub 1 to be charged in the later period is reduced, and after the hub 1 is completely immersed in the cleaning water tank 3, the gas in the second gas storage part 2001 completely enters the hub 1.
Under the effect that four third sliders 1802 carry out centre gripping fixed to wheel hub 1, make wheel hub 1 rotate along the centre of a circle of first commentaries on classics board 5 and second commentaries on classics board 14 at the in-process of rotation test, avoid wheel hub 1 at the in-process of rotation, the centre of a circle of wheel hub 1 does not coincide with the centre of a circle of first commentaries on classics board 5 and second commentaries on classics board 14, leads to wheel hub 1 to take place eccentric rotation.
After the detection of the hub 1 is completed, the above-mentioned process is repeated, and the sliding plate 2002 is driven to move upwards by the upward movement of the first rotating plate 5 and the rotating rod 4, so that the gas in the hub 1 is extracted by the upward movement of the sliding plate 2002, the gas in the hub 1 is pumped into the second gas storage member 2001 by the rotating rod 4 and the two second gas guide pipes 2003, the content of the gas in the hub 1 is reduced, and the time for later extraction of the gas in the hub 1 is shortened.
When the first rotating plate 5 moves along with the electric sliding blocks of the driving piece 12 until the first rotating plate 5 is located above the liquid level in the clean water tank 3, the floating piece 1803 does not press the four third sliding pieces 1802 under the action of water floating in the clean water tank 3, the four third sliding pieces 1802 move outwards under the action of adjacent tension springs and are separated from the fixation outside the hub 1, after the four sliding pieces 1804 do not press the four third sliding pieces 1802, the two sliding rings 1904 do not shield the upper parts of the two air outlet shells 1901, air in the hub 1 enters the two air outlet shells 1901 afterwards, the two air outlet shells 1901 convey the air to the back sides of the two first air guide pipes 1902 through the opposite sides of the two first air guide pipes 1902, and the air in the hub 1 is guided out through the back sides of the two first air guide pipes 1902, so that the time for later extraction of the air in the hub 1 is further shortened.
The foregoing is merely exemplary of the present invention and is not intended to limit the present invention. All equivalents and alternatives falling within the spirit of the invention are intended to be included within the scope of the invention. What is not elaborated on the invention belongs to the prior art which is known to the person skilled in the art.

Claims (10)

1. The utility model provides a wheel hub is with gas tightness detection device, its characterized in that, including chassis (2), chassis (2) rigid coupling has fresh water tank (3), fresh water tank (3) are stored and are had water, fresh water tank (3) are provided with control panel (301), fresh water tank (3) sliding connection has bull stick (4), bull stick (4) in one end rigid coupling in fresh water tank (3) has first rotor plate (5), first rotor plate (5) are located above the liquid level of fresh water tank (3), one side that first rotor plate (5) kept away from bull stick (4) is provided with first gasbag (6), fresh water tank (3) rotation is connected with rotating turret (7), rotating turret (7) are close to first rotor plate (5) with side rigid coupling has first mount (8), water tank (3) rigid coupling has second mount (11), second mount (11) be provided with first rotor plate (12) of electric connection in fresh water tank (3), first rotor plate (5) one side of drive motor (12) is provided with second gasbag (14) of electric connection, driving motor (12) is provided with first driving motor (13), the driving piece (12) is provided with a first L-shaped frame (15), and the first L-shaped frame (15) is provided with an air inlet assembly (16) and a first fixing assembly (17) which are electrically connected with the control panel (301).
2. The air tightness detection device for the hub according to claim 1, wherein the first fixing frame (8) is fixedly connected with first air storage pieces (9) in mirror image distribution, air is stored in the first air storage pieces (9), second sliding pieces (10) are connected in a sliding mode in the first air storage pieces (9), one side, close to the first air storage pieces (6), of each second sliding piece (10) is matched with the first rotating plate (5), one side, far away from the adjacent second sliding pieces (10), of each first air storage piece (9) is communicated with the first air storage pieces (6) through a communicating pipe penetrating through the first rotating plate (5), a splitter (901) is fixedly connected to each first air storage piece (9), and each splitter (901) is located on one side, facing the rotating direction of the rotating rod (4), of the adjacent first air storage pieces (9).
3. The air tightness detection device for the hub according to claim 2, wherein a thermal imager (302) is arranged on one side, close to the control panel (301), of the clear water tank (3), the thermal imager (302) is electrically connected with the control panel (301), a spline is arranged on the upper portion of the rotating rod (4), the spline of the rotating rod (4) is in spline fit with the first fixing frame (8), a U-shaped frame (501) is fixedly connected on one side, far away from the rotating rod (4), of the first rotating plate (5), a first sliding piece (502) is connected to the U-shaped frame (501) in a sliding mode, and a spring is arranged between the first sliding piece (502) and the U-shaped frame (501).
4. A wheel hub air tightness detection device according to claim 3, wherein a guide rod (1401) distributed in an annular array is fixedly connected to one side of the second rotating plate (14) facing the clean water tank (3), the first rotating plate (5) is located below the guide rod (1401), a through groove distributed in an annular array is arranged on one side of the first rotating plate (5) facing the periphery, and the through groove of the first rotating plate (5) is matched with the adjacent guide rod (1401).
5. The air tightness detection device for the hub as claimed in claim 4, wherein the air inlet assembly (16) comprises a first air inlet shell (1601), the first air inlet shell (1601) is fixedly connected to one side, far away from the driving piece (12), of the first L-shaped frame (15), the first air inlet shell (1601) is in running fit with the second rotating plate (14), an annular array of air holes are formed in one side, facing the center of the second rotating plate (14), the first air inlet shell (1601) is communicated with the annular array of air holes in the center side of the second rotating plate (14), the first air inlet shell (1601) is communicated with a first air inlet pipe (1602), and an exhaust fan electrically connected with the control panel (301) is externally connected with the first air inlet pipe (1602).
6. The air tightness detection device for a hub according to claim 5, wherein the first fixing assembly (17) comprises a second air inlet shell (1701), the second air inlet shell (1701) is fixedly connected to one side of the first L-shaped frame (15) far away from the driving piece (12), the second air inlet shell (1701) is in rotating fit with the first L-shaped frame (15), an annular array of ventilation holes are arranged on one side of the second rotating plate (14) facing to the outer periphery, the second rotating plate (14) is communicated with the second air bag (1402) through the peripheral ventilation holes, the second air bag (1402) is communicated with the second air inlet shell (1701) through the peripheral annular array of ventilation holes of the second rotating plate (14), the second air inlet shell (1701) is communicated with a second air inlet pipe (1702) penetrating through the driving piece (12), and the second air inlet pipe (1702) is externally connected with an exhaust fan electrically connected with the control panel (301).
7. The air tightness detection device for a hub as claimed in claim 4, further comprising a second fixing component (18), wherein the second fixing component (18) is disposed on the first rotating plate (5), the second fixing component (18) comprises second L-shaped frames (1801) distributed in an annular array, the second L-shaped frames (1801) distributed in the annular array are fixedly connected to the first rotating plate (5), the second L-shaped frames (1801) are slidably connected with a third sliding member (1802), and tension springs are disposed between the third sliding member (1802) and the adjacent second L-shaped frames (1801).
8. The air tightness detection device for the hub as claimed in claim 7, wherein a floating member (1803) is arranged below the first rotating plate (5), the lower side of the floating member (1803) is attached to the liquid level of water in the clean water tank (3), a sliding rod (1804) distributed in an annular array is fixedly connected to one side of the floating member (1803) towards the first rotating plate (5), the sliding rods (1804) distributed in the annular array are in sliding fit with the first rotating plate (5), and the sliding rod (1804) is matched with the adjacent third sliding member (1802).
9. The device for detecting the air tightness of the hub as claimed in claim 8, further comprising an air discharging assembly (19), wherein the air discharging assembly (19) is arranged on the first rotating plate (5), the air discharging assembly (19) comprises air discharging shells (1901) which are distributed in a mirror image mode, the air discharging shells (1901) which are distributed in a mirror image mode are fixedly connected to one side of the first rotating plate (5) facing the first sliding piece (502), the first rotating plate (5) is fixedly connected with first air guide pipes (1902) which are distributed in a mirror image mode, the first air guide pipes (1902) are communicated with adjacent air discharging shells (1901), opposite sides of the first air guide pipes (1902) which are distributed in a mirror image mode are all communicated with the outer side Zhou Gujie of the first rotating plate (5) through connecting plates, the height of the back sides of the first air guide pipes (1902) is higher than the liquid level of water in the first water tank (3), the first rotating plate (5) is fixedly connected with a connecting frame (1903) which is distributed, the back sides of the connecting frame (1903) are fixedly connected with the floating ring (1904) and the air discharging ring (1904) are fixedly connected with the sliding ring (1904).
10. The wheel hub of claim 9, further comprising a gas supplementing assembly (20), wherein the gas supplementing assembly (20) is disposed on the chassis (2), the gas supplementing assembly (20) comprises a second gas storage member (2001), the second gas storage member (2001) is fixedly connected to the chassis (2), the second gas storage member (2001) is in sliding fit with the rotating rod (4), a sliding plate (2002) fixedly connected with the rotating rod (4) is slidably connected in the second gas storage member (2001), a second gas guide tube (2003) in mirror distribution is communicated on one side, far away from the sliding plate (2002), of the second gas storage member (2001), a gas outlet hole in annular array distribution is disposed on one side, facing the center of the first rotating plate (5), of the second gas storage member (2001) is in sliding connection with the gas guide tube (2004) in mirror distribution, a gas guide shell (2004) in mirror distribution is in sliding connection with the rotating plate (2004), and the second gas guide tube (2004) is in mirror distribution on one side, close to the center of the rotating plate (2004), and the rotating plate (2004) is in mirror distribution near the center.
CN202311430956.0A 2023-10-31 2023-10-31 Air tightness detection device for hub Pending CN117433705A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311430956.0A CN117433705A (en) 2023-10-31 2023-10-31 Air tightness detection device for hub

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311430956.0A CN117433705A (en) 2023-10-31 2023-10-31 Air tightness detection device for hub

Publications (1)

Publication Number Publication Date
CN117433705A true CN117433705A (en) 2024-01-23

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311430956.0A Pending CN117433705A (en) 2023-10-31 2023-10-31 Air tightness detection device for hub

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Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118362266A (en) * 2024-06-20 2024-07-19 常州金麒轩智能科技有限公司 Automatic detection device for motor wire harness

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118362266A (en) * 2024-06-20 2024-07-19 常州金麒轩智能科技有限公司 Automatic detection device for motor wire harness

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