On-line wheel airtightness detecting device

A wheel airtightness detecting device on a production line of a wheel, comprising:

• a frame, two first guide pillars, two first guide sleeves, a first cylinder, a second cylinder, a first lifting plate, a first guide rail, a translating plate, a second guide rail, a third cylinder, a support roller, a water tank, a left rubber disc, a left pressure plate, a left moving plate, two second guide pillars, two second guide sleeves, a swivel, a hydraulic cylinder, a roller bed, a centering device, a fifth cylinder, a vertical plate, a fourth guide rail, a second lifting plate, a fifth guide rail, a second left sliding plate, two second racks, a second gear, a second right sliding plate, a left bearing block, a left shaft, clamping jaws, a pawl, a ratchet, a spring, a right bearing block, a right shaft, a servo motor, a right arm, a first pulley, a hollow shaft, a right fixed plate, a right rubber disc, a first bearing block, a synchronous belt, a second pulley, a motor, a sixth cylinder and a left arm, wherein the water tank is fixed to an upper side of the frame;
• the two second guide sleeves are fixed to a left side of the water tank, and the two second guide pillars fitted with the two second guide sleeves are mounted on a left of the left moving plate;
• the hydraulic cylinder is also fixed to the left side of the water tank, and an output end of the hydraulic cylinder is articulated to a left side of the left moving plate;
• the left pressure plate is mounted on a right side of the left moving plate through the swivel, and the left rubber disc is fixed to a right side of the left pressure plate;
• the roller bed is mounted above the water tank;
• a lifting system that comprises the two first guide sleeves which are mounted at a bottom of the water tank, wherein the two first guide pillars fitted with the two first guide sleeves are fixed to a bottom of the first lifting plate;
• the second cylinder which is fixed to the bottom of the water tank, with an output end of the second cylinder being articulated with the bottom of the first lifting plate;
• the translating plate which is mounted above the first lifting plate through the first guide rail;
• the first cylinder which is also fixed above the first lifting plate, with an output end of the first cylinder being connected with a right side of the translating plate;
• the support roller which is mounted above the translating plate through the second guide rail;
• the third cylinder which is fixed to an upper end of the translating plate, with an output end of the third cylinder being connected to the support roller;
• the centering device comprises a fourth cylinder, two centering rollers, a first gear, two first racks, a first left sliding plate, a third guide rails, a fixed plate and a first right sliding plate, wherein the fixed plate is fixed to a top end of the frame;
• the two first racks are respectively fixed to the first left sliding plate and the first right sliding plate, and the two first racks mesh with the first gear fixed below the fixed plate;
• the first left sliding plate and the first right sliding plate are mounted below the fixed plate through the third guide rail;
• the two centering rollers are respectively fixed below the first left sliding plate and the first right sliding plate;
• the fourth cylinder is fixed below the fixed plate, and an output end of the fourth cylinder is connected to the first right sliding plate;
• and
• a clamping and turning device that comprises the vertical plate which is fixed on the frame on a right of the frame;
• the second lifting plate which is mounted on a left side of the vertical plate through the fourth guide rail;
• the fifth cylinder which is fixed to a top end of the vertical plate, with an output end of the fifth cylinder being connected to the second lifting plate;
• the second left sliding plate and the second right sliding plate which are respectively fixed with the two second racks, wherein the two second racks mesh with the second gear fixed to a left side of the second lifting plate, and the second left sliding plate and the second right sliding plate are mounted on the left side of the second lifting plate through the fifth guide rail;
• the left arm and the right arm which are respectively fixed to a left side of the second left sliding plate and the second right sliding plate;
• the sixth cylinder which is fixed to the left side of the second lifting plate, with an output end of the sixth cylinder being connected to the second right sliding plate;
• the left bearing block which is fixed to a left side of the left arm, with the left shaft being mounted inside the left bearing block through a first bearing;
• the ratchet and the clamping jaws which are mounted at an end of the left shaft;
• the pawl which is mounted on a right side of the left arm and cooperates with the ratchet, with the spring being mounted below the pawl;
• the right bearing block which is fixed to a right side of the right arm, with the right shaft being mounted inside the right bearing block through a second bearing and the clamping jaws being fixed on a left of the right shaft;
• the servo motor which is fixed to a right side of the right bearing block, with an output end of the servo motor being connected to the right shaft.