CN108871677B - Bellows gas tightness detection device is with detecting anchor clamps - Google Patents
Bellows gas tightness detection device is with detecting anchor clamps Download PDFInfo
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- CN108871677B CN108871677B CN201810689196.8A CN201810689196A CN108871677B CN 108871677 B CN108871677 B CN 108871677B CN 201810689196 A CN201810689196 A CN 201810689196A CN 108871677 B CN108871677 B CN 108871677B
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
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Abstract
The invention discloses a detection clamp for a corrugated pipe air tightness detection device, which relates to the field of corrugated pipe detection and comprises a base, a lifting block, a lifting mechanism, an unlocking mechanism and a controller, wherein the lifting block is positioned on the left side of a clamping mechanism, the right end position of the upper surface of the lifting block is fixedly connected with the bottom of an inflating mechanism, the lifting mechanism is in sliding connection with the lifting block, the unlocking mechanism is connected with the right end of the inflating mechanism, the controller is electrically connected with the clamping mechanism, the lifting mechanism and the inflating mechanism, for corrugated pipes with different specifications, an operator places the corrugated pipe on the clamping mechanism during detection, the lifting mechanism automatically adjusts after clamping to enable the center of the corrugated pipe and the center of an inflating groove to be positioned on the same straight line, then the inflating mechanism is tightly connected with the corrugated pipe under the driving of an air cylinder, an elastic pressing sheet automatically clamps the corrugated pipe, after the detection, an operator twists an unlocking rod in the unlocking mechanism to complete unlocking action, the device accelerates clamping efficiency and precision and reduces cost.
Description
Technical Field
The invention relates to the field of corrugated pipe detection, in particular to a detection clamp for a corrugated pipe air tightness detection device.
Background
The bellows need carry out the gas tightness after the production is accomplished and detects, with whether there is the gas leakage phenomenon in the observation bellows, guarantee the quality of bellows, use family's relieved, when carrying out the gas tightness and detecting, need carry out the centre gripping operation to the bellows, present most need staff's manual centre gripping, not only the centre gripping is inefficient, and if the too big bellows that can damage of centre gripping dynamics, in addition, the bellows to different specifications more needs staff to adjust the height of corresponding equipment and adapts to the bellows, so more inconvenient, and adjust the back precision not high, cause the erroneous judgement easily in the testing process, in addition in the twinkling of an eye of rushing into gas if the bellows is fixed insecure, easily by rushing out clamping device.
Disclosure of Invention
The invention aims to provide a detection clamp for a corrugated pipe air tightness detection device, which aims to overcome the defects caused in the prior art.
The utility model provides a bellows gas tightness detection device is with detecting anchor clamps, includes base, elevator, elevating system, release mechanism and controller, the base upper surface is close to right-hand member position and fixture's bottom fixed connection, the elevator is located fixture's the left side, the upper surface left end position and the first cylinder fixed connection of elevator, the upper surface right end position and the bottom fixed connection who aerifys mechanism of elevator, it is corresponding with fixture to aerify the mechanism, the output shaft of first cylinder and the left side fixed connection who aerifys mechanism, elevating system and elevator sliding connection, release mechanism is connected with the right-hand member of aerifing mechanism, controller and fixture, elevating system and the electrical connection of aerifing mechanism.
Preferably, the clamping mechanism comprises a support frame, a fixed block, a movable block and a second air cylinder, the support frame is U-shaped, the front and back support legs of the support frame are fixedly connected to the upper surface of the base at positions close to the right end, the fixed block is positioned in the middle of the front and back support legs of the support frame, the lower surface of the fixed block is fixedly connected with the upper surface of the base, a lower arc-shaped groove is arranged at the central position of the upper surface of the fixed block, the edge positions of the upper surface of the fixed block, close to the front and back side surfaces, are fixedly connected with the lower end of the positioning rod, the bottom of the lower arc-shaped groove is connected with a first pressure sensor, the upper end of the positioning rod is fixedly connected with the bottom of the upper support plate of the support frame, a first infrared distance measuring instrument is arranged at the position, close to the positioning rod, of, the position that the movable block is close to front and back both sides face is equipped with the constant head tank corresponding with the locating lever, locating lever and constant head tank sliding connection, second cylinder fixed connection is put at the central point of the last backup pad of support frame, and the output shaft of second cylinder is connected with the last fixed surface of movable block, controller and first pressure sensor, first infrared distance meter and second cylinder electric connection.
Preferably, the lifting mechanism comprises a motor and a threaded hole, a rectangular groove is formed in the surface of the base, the motor is fixed at the center of the bottom of the rectangular groove, an output shaft of the motor is connected with the bottom end of the second lead screw through a coupler, the threaded hole is formed in the bottom of the lifting block and corresponds to the second lead screw, the second lead screw is in threaded connection with the threaded hole, sliding plates are arranged at the centers of the left side wall and the right side wall of the rectangular groove, rectangular sliding grooves are formed in the centers of the left side surface and the right side surface of the lifting block, the sliding plates are in sliding connection with the rectangular sliding grooves, and the controller is electrically connected.
Preferably, the inflation mechanism comprises a cylindrical frame, a fixed column, a spring and a top plate, the center position of the left end of the cylindrical frame is fixedly connected with an output shaft of the first cylinder, an air inlet channel is arranged inside the left end of the cylindrical frame, an inflation groove is arranged inside the cylindrical frame, the air inlet channel is hermetically connected with an air inlet pipe, elastic pressing sheets are uniformly distributed at the edge position of the right opening of the inflation groove, one end of each elastic pressing sheet is fixed at the right opening of the inflation groove, the side surface of the other end of each elastic pressing sheet is hinged with the unlocking mechanism, the top plate is positioned inside the inflation groove and is in sliding connection with the inflation groove, a circular through hole penetrating through the top plate is arranged in the middle position of the top plate, a plurality of second pressure sensors are arranged on the right surface of the top plate, one end of the spring is fixed on the left surface of the top plate, the lower surface of the cylindrical frame is provided with a second infrared distance meter near the right end, the cylindrical frame is connected with a center hole in the fixed column in a sliding mode, and the controller is electrically connected with the second pressure sensor and the second infrared distance meter.
Preferably, the unlocking mechanism comprises a first screw rod, an unlocking ring, a driving wheel, a transmission rod, a fixed frame and a sliding block, the unlocking ring is sleeved at the right end part of the cylindrical frame, the unlocking ring is fixed on the cylindrical frame through a strut, the inner side of the unlocking ring is in contact connection with one end of the transmission rack rod, a rack is arranged on the left side of the transmission rack rod, the transmission rack rod penetrates through the side wall of the cylindrical frame, the driving wheel is meshed with the rack, the driving wheel and the main bevel gear are positioned on the same rotating shaft and are in key connection with the rotating shaft, the rotating shaft is in rotary connection with the support, the bottom of the support is fixed on the inner side wall of the cylindrical frame, one end of the transmission rod is in key connection with a secondary bevel gear, the other end of the transmission rod is in key connection with a secondary bevel gear, the secondary bevel gear is meshed with the main bevel, the left side of the fixed frame is fixed on the inner side wall of the cylindrical frame, a cavity is formed in the fixed frame, the sliding block is in sliding connection with the cavity, a first threaded hole is formed in the center of the bottom of the sliding block, the center of the upper end of the sliding block is fixedly connected with one end of the hinged rod, the first lead screw is in threaded connection with the first threaded hole, the other end of the hinged rod is hinged to the side face of the elastic pressing sheet, unlocking plates are arranged at two joints of the unlocking ring respectively, each unlocking plate is provided with a threaded through hole, and the threaded through holes are in threaded connection with the unlocking rods.
Preferably, the diameters of the lower arc-shaped groove and the upper arc-shaped groove are equal, rubber pads are arranged on the surfaces of the lower arc-shaped groove and the upper arc-shaped groove, and the height of the lifting block is larger than the depth of the rectangular groove.
Preferably, sealing rings are arranged at the joint of the top plate and the inflation groove, the right surface of the top plate and the joint of the air inlet channel and the air inlet pipe, and rubber pads are arranged on the surfaces of the elastic pressing sheets.
Preferably, the bottom fixedly connected with a plurality of landing legs of base, the bottom of landing leg is connected with the universal wheel, the one end of intake pipe is connected with air feeder's gas outlet, is connected with the electromagnetism pneumatic valve in the intake pipe, electromagnetism pneumatic valve and controller electric connection.
The invention has the advantages that: when the detection clamp for the corrugated pipe air tightness detection device is adopted, aiming at corrugated pipes with different specifications, when the corrugated pipe air tightness detection is carried out, an operator only needs to place the corrugated pipe on the clamping mechanism, after the clamping mechanism is clamped, the lifting mechanism is automatically adjusted to enable the center of the corrugated pipe and the center of the inflation groove to be positioned on the same straight line, then the inflation mechanism is tightly connected with the corrugated pipe under the driving of the air cylinder, the elastic pressing sheet automatically clamps the corrugated pipe, and after the detection is finished, the operator twists the unlocking rod in the unlocking mechanism to complete the unlocking action.
Drawings
FIG. 1 is a schematic structural view of a detection jig for a bellows airtightness detection apparatus;
FIG. 2 is a cross-sectional view taken along line B-B of FIG. 1;
FIG. 3 is a schematic structural view of the inflation mechanism of FIG. 1;
FIG. 4 is a schematic structural view of the release mechanism of FIG. 3;
FIG. 5 is a right side view of the inflation mechanism of FIG. 3;
FIG. 6 is a side view of the clamping mechanism of FIG. 1;
fig. 7 is a sectional view taken along line a-a of fig. 6.
Wherein, 1-a base, 2-a first cylinder, 3-a lifting block, 4-an air inlet pipe, 5-a clamping mechanism, 50-a supporting frame, 51-a fixed block, 52-a movable block, 53-a first pressure sensor, 54-a positioning rod, 55-a positioning groove, 56-a first infrared distance meter, 57-a lower arc groove, 58-an upper arc groove, 59-a second cylinder, 6-a lifting mechanism, 60-a motor, 61-a second screw rod, 62-a threaded hole, 63-a rectangular groove, 64-a sliding plate, 65-a rectangular sliding groove, 7-an air charging mechanism, 70-a cylindrical frame, 71-a fixed column, 72-an air inlet channel, 73-a spring, 74-an air charging groove, 75-a top plate, 76-a second pressure sensor, 77-a second infrared distance meter, 78-an elastic pressing sheet, 79-a circular through hole, 8-an unlocking mechanism, 80-a first screw rod, 81-an unlocking ring, 82-a transmission rack rod, 83-a driving wheel, 84-a main bevel gear, 85-a transmission rod, 86-a slave bevel gear, 87-a linkage bevel gear, 88-an auxiliary bevel gear, 89-a fixed frame, 810-a sliding block, 811-an inner cavity, 812-a first threaded hole, 813-a hinged rod, 814-a support, 815-an unlocking rod, 816-an unlocking plate, 9-a supporting leg, 10-a universal wheel, 11-a controller and 12-an electromagnetic air valve.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 7, a detection clamp for a corrugated pipe airtightness detection device comprises a base 1, a lifting block 3, a lifting mechanism 6, an unlocking mechanism 8 and a controller 11, the upper surface of the base 1 is fixedly connected with the bottom of the clamping mechanism 5 at a position close to the right end, the lifting block 3 is positioned at the left side of the clamping mechanism 5, the left end of the upper surface of the lifting block 3 is fixedly connected with the first air cylinder 2, the right end of the upper surface of the lifting block 3 is fixedly connected with the bottom of the inflating mechanism 7, the inflation mechanism 7 corresponds to the clamping mechanism 5, the output shaft of the first cylinder 2 is fixedly connected with the left side of the inflation mechanism 7, the lifting mechanism 6 is connected with the lifting block 3 in a sliding way, the unlocking mechanism 8 is connected with the right end of the inflating mechanism 7, the controller 11 is electrically connected with the clamping mechanism 5, the lifting mechanism 6 and the inflating mechanism 7.
It is worth noting that the clamping mechanism 5 comprises a supporting frame 50, a fixed block 51, a movable block 52 and a second air cylinder 59, wherein the supporting frame 50 is U-shaped, the front and back supporting legs of the supporting frame 50 are fixedly connected to the position, close to the right end, of the upper surface of the base 1, the fixed block 51 is located at the middle positions of the front and back supporting legs of the supporting frame 50, the lower surface of the fixed block 51 is fixedly connected with the upper surface of the base 1, a lower arc-shaped groove 57 is arranged at the center position of the upper surface of the fixed block 51, the edge positions, close to the front and back side surfaces, of the upper surface of the fixed block 51 are fixedly connected with the lower end of the positioning rod 54, a first pressure sensor 53 is connected to the bottom of the upper supporting plate of the positioning rod 54, a first infrared distance meter 56 is arranged at the position, close to the positioning rod 56, of the upper surface, the lower surface central point of movable block 52 puts and is equipped with the last arc wall 58 that equals with lower arc wall 57 size, and the position that movable block 52 is close to front and back both sides face is equipped with the constant head tank 55 corresponding with locating lever 54, locating lever 54 and constant head tank 55 sliding connection, second cylinder 59 fixed connection is in the central point of the last backup pad of support frame 50, and the output shaft of second cylinder 59 is connected with the last fixed surface of movable block 52, controller 11 and first pressure sensor 53, first infrared distance meter 56 and second cylinder 59 electric connection.
In this embodiment, the lifting mechanism 6 includes a motor 60 and a threaded hole 62, a rectangular groove 63 is disposed on the surface of the base 1, the motor 60 is fixed at the center of the bottom of the rectangular groove 63, an output shaft of the motor 63 is connected to the bottom end of the second lead screw 61 through a coupling, the threaded hole 62 is disposed at the bottom of the lifting block 3 and corresponds to the second lead screw 61, the second lead screw 61 is in threaded connection with the threaded hole 62, sliding plates 64 are disposed at the center of the left and right side walls of the rectangular groove 63, rectangular sliding grooves 65 are disposed at the center of the left and right side walls of the lifting block 3, the sliding plates 64 are in sliding connection with the rectangular sliding grooves 65, and the controller 11 is electrically connected to the motor 60.
In this embodiment, the inflation mechanism 7 includes a cylindrical frame 70, a fixing column 71, a spring 73 and a top plate 75, a center position of a left end of the cylindrical frame 70 is fixedly connected to an output shaft of the first cylinder 2, an air inlet channel 72 is disposed inside the left end of the cylindrical frame 70, an inflation groove 74 is disposed inside the cylindrical frame 70, the air inlet channel 72 is hermetically connected to the air inlet pipe 4, elastic pressing pieces 78 are uniformly distributed at an edge position of a right opening of the inflation groove 74, so that one end of each elastic pressing piece 78 is fixed to the right opening of the inflation groove 74, a side surface of the other end of each elastic pressing piece 78 is hinged to the unlocking mechanism 8, the top plate 75 is disposed inside the inflation groove 74, the top plate 75 is slidably connected to the inflation groove 74, a circular through hole 79 penetrating through the top plate 75 is disposed in a middle position of the top plate 75, a plurality of second pressure sensors 76 are, one end of the spring 73 is fixed on the left surface of the top plate 75, the other end of the spring 73 is fixedly connected with the left side wall of the inflation groove 74, a second infrared distance measuring instrument 77 is arranged at a position, close to the right end, of the lower surface of the cylindrical frame 70, the cylindrical frame 70 is in sliding connection with a center hole formed in the fixed column 71, and the controller 11 is electrically connected with the second pressure sensor 76 and the second infrared distance measuring instrument 77.
In this embodiment, the unlocking mechanism 8 includes a first lead screw 80, an unlocking ring 81, a driving wheel 83, a transmission rod 85, a fixed frame 89 and a sliding block 810, the unlocking ring 81 is sleeved on the right end portion of the cylindrical frame 70, the unlocking ring 81 is fixed on the cylindrical frame 70 through a pillar, the inner side of the unlocking ring 81 is connected with one end of a transmission rack rod 82 in a contact manner, the left side of the transmission rack rod 82 is provided with a rack, the transmission rack rod 82 penetrates through the side wall of the cylindrical frame 70, the driving wheel 83 is meshed with the rack, the driving wheel 83 and the main bevel gear 84 are located on the same rotating shaft and both are keyed with the rotating shaft, the rotating shaft is connected with a support 814 in a rotating manner, the bottom of the support 814 is fixed on the inner side wall of the cylindrical frame 70, one end of the transmission rod 85 is keyed with a secondary bevel gear 86, the other end of the transmission rod 85, the auxiliary bevel gear 88 is engaged with the linkage bevel gear 87, the bottom of the first lead screw 80 is in key connection with the linkage bevel gear 87, the left side of the fixed frame 89 is fixed on the inner side wall of the cylindrical frame 70, a cavity 811 is arranged inside the fixed frame 89, the sliding block 810 is in sliding connection with the cavity 811, a first threaded hole 812 is arranged at the center of the bottom of the sliding block 810, the center of the upper end of the sliding block 810 is fixedly connected with one end of a hinge rod 813, the first lead screw 80 is in threaded connection with the first threaded hole 812, the other end of the hinge rod 813 is hinged to the side face of the elastic pressing sheet 78, two joints of the unlocking ring 81 are respectively provided with an unlocking plate 816, each unlocking plate 816 is provided with a threaded through hole, and each threaded through hole is in threaded connection with an.
In the embodiment, the diameters of the lower arc-shaped groove 57 and the upper arc-shaped groove 58 are equal, rubber pads are arranged on the surfaces of the lower arc-shaped groove and the upper arc-shaped groove, and the height of the lifting block 3 is larger than the depth of the rectangular groove 63.
In this embodiment, sealing rings are disposed at the connection position of the top plate 75 and the inflation groove 74, the right surface of the top plate 75 and the connection position of the air inlet passage 72 and the air inlet pipe 4, and rubber pads are disposed on the surfaces of the elastic pressing pieces 78.
In addition, a plurality of landing legs 9 of bottom fixedly connected with of base 1, the bottom of landing leg 9 is connected with universal wheel 10, the one end of intake pipe 4 is connected with air feeder's gas outlet, is connected with electromagnetism pneumatic valve 12 in the intake pipe 4, electromagnetism pneumatic valve 12 and controller 11 electric connection.
The working process and principle are as follows: when the detection clamp is used, firstly, one end of a corrugated pipe of a worker is placed on the lower arc-shaped groove 57 and lightly pressed downwards, then the first pressure sensor 53 senses a pressure value and transmits a signal to the controller 11, then the controller 11 controls the second air cylinder 59 to start to drive the upper arc-shaped groove 58 on the movable block 52 to downwards press the corrugated pipe, when the first pressure sensor 53 senses that the pressure value is greater than a set value, the corrugated pipe is pressed, at this time, the controller 11 records data measured by the first infrared distance meter 56, the sum of the two times of the distance from the groove bottom of the lower arc-shaped groove 57 to the upper surface of the fixed block 51 and the data is the diameter of the corrugated pipe, then the controller 11 subtracts the radius of the corrugated pipe from the half kilogram of the cylindrical frame (70) and records the data as A, the controller 11 controls the motor 60 to rotate, and drives the lifting block 3 to move downwards by a distance of a and then stop, at this time, the axis of the cylindrical frame 70 and the axis of the corrugated pipe are on the same straight line, after that, the controller 11 controls the first cylinder 2 to act to drive the cylindrical frame 70 to move towards the direction of the corrugated pipe, when the corrugated pipe contacts the elastic pressing sheet 78, the elastic pressing sheet 78 is clamped in the corrugated gap of the corrugated pipe, at this time, the corrugated pipe can move normally towards the left and cannot move towards the right, when the corrugated pipe contacts the top plate 75 and continues to move towards the left, the spring 75 will push up against the top plate 75, so that the second pressure sensor 76 will sense the pressure of the corrugated pipe, when the set value is exceeded, the first cylinder 2 stops, at this time, the electromagnetic valve 12 is controlled to open, so that the gas is flushed into the inflation groove 74 and then enters the corrugated pipe through the circular, due to the clamping effect of the elastic pressing sheet 78, at the moment when the electromagnetic air valve 12 is opened, the stability of the corrugated pipe is ensured, after the air tightness detection is completed, the unlocking rod 815 is manually twisted to tighten the unlocking ring 81, so that the transmission rack rod 82 moves inwards the inflation groove 74 to drive the driving wheel 83 to rotate, further drive the main bevel gear 83 to rotate, further drive the transmission rod 85 to rotate under the drive of the bevel gear 86, further drive the first screw rod 80 to rotate to drive the sliding block 810 to move downwards, further drive the hinge rod 813 to pull the elastic pressing sheet 78 downwards, further separate the elastic pressing sheet 78 from the corrugated gap of the corrugated pipe, further normally move the corrugated pipe out of the inflation groove 74, after the corrugated pipe is moved out, the motor 60 drives the lifting block 3 to move to enable the groove bottom of the lower arc-shaped groove 57 and the bottommost part of the outer surface of the cylindrical frame (70) to be positioned at the same straight line again, the detection cost is reduced.
Based on the above, by using the detection clamp for the corrugated pipe air tightness detection device, when corrugated pipes of different specifications are subjected to air tightness detection, an operator only needs to place the corrugated pipe on the clamping mechanism, after the clamping mechanism is clamped, the lifting mechanism is automatically adjusted to enable the center of the corrugated pipe and the center of the inflation groove to be located on the same straight line, then the inflation mechanism is tightly connected with the corrugated pipe under the driving of the air cylinder, the elastic pressing piece automatically clamps the corrugated pipe, and after the detection is finished, the operator twists the unlocking rod in the unlocking mechanism to complete the unlocking action.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.
Claims (6)
1. The detection clamp for the corrugated pipe air tightness detection device is characterized by comprising a base (1), a lifting block (3), a lifting mechanism (6), an unlocking mechanism (8) and a controller (11), wherein the upper surface of the base (1) is close to the bottom of a right end position and a clamping mechanism (5) and is fixedly connected with the bottom of the clamping mechanism (5), the lifting block (3) is positioned on the left side of the clamping mechanism (5), the left end position of the upper surface of the lifting block (3) is fixedly connected with a first air cylinder (2), the right end position of the upper surface of the lifting block (3) is fixedly connected with the bottom of an inflating mechanism (7), the inflating mechanism (7) corresponds to the clamping mechanism (5), an output shaft of the first air cylinder (2) is fixedly connected with the left side of the inflating mechanism (7), the lifting mechanism (6) is slidably connected with the lifting block (3), and the unlocking mechanism (8) is connected with the right end of the inflating mechanism (7), the controller (11) is electrically connected with the clamping mechanism (5), the lifting mechanism (6) and the inflating mechanism (7);
the inflation mechanism (7) comprises a cylindrical frame (70), a fixing column (71), a spring (73) and a top plate (75), the center of the left end of the cylindrical frame (70) is fixedly connected with an output shaft of the first air cylinder (2), an air inlet channel (72) is arranged inside the left end of the cylindrical frame (70), an inflation groove (74) is arranged inside the cylindrical frame (70), the air inlet channel (72) is hermetically connected with an air inlet pipe (4), elastic pressing pieces (78) are uniformly distributed at the edge of the right opening of the inflation groove (74), one end of each elastic pressing piece (78) is fixed at the right opening of the inflation groove (74), the side face of the other end of each elastic pressing piece (78) is hinged with the unlocking mechanism (8), the top plate (75) is positioned inside the inflation groove (74), and the top plate (75) is slidably connected with the inflation groove (74), a circular through hole (79) penetrating through the top plate (75) is formed in the middle of the top plate (75), a plurality of second pressure sensors (76) are arranged on the right surface of the top plate (75), one end of the spring (73) is fixed to the left surface of the top plate (75), the other end of the spring (73) is fixedly connected with the left side wall of the inflation groove (74), a second infrared distance meter (77) is arranged on the position, close to the right end, of the lower surface of the cylindrical frame (70), the cylindrical frame (70) is in sliding connection with a center hole formed in the fixed column (71), and the controller (11) is electrically connected with the second pressure sensors (76) and the second infrared distance meter (77);
the unlocking mechanism (8) comprises a first screw rod (80), an unlocking ring (81), a driving wheel (83), a transmission rod (85), a fixed frame (89) and a sliding block (810), the unlocking ring (81) is sleeved at the right end part of the cylindrical frame (70), the unlocking ring (81) is fixed on the cylindrical frame (70) through a strut, the inner side of the unlocking ring (81) is in contact connection with one end of a transmission rack rod (82), a rack is arranged on the left side of the transmission rack rod (82), the transmission rack rod (82) penetrates through the side wall of the cylindrical frame (70), the driving wheel (83) is meshed with the rack, the driving wheel (83) and a main bevel gear (84) are positioned on the same rotating shaft and are in key connection with the rotating shaft, the rotating shaft is in rotating connection with a support (814), the bottom of the support (814) is fixed on the inner side wall of the cylindrical frame (70), one end of the transmission rod (85) is in key connection with, the other end of the transmission rod (85) is in key connection with a secondary bevel gear (88), the secondary bevel gear (86) is meshed with the main bevel gear (84), the secondary bevel gear (88) is meshed with a linkage bevel gear (87), the bottom of the first screw rod (80) is in key connection with the linkage bevel gear (87), the left side of the fixed frame (89) is fixed on the inner side wall of the cylindrical frame (70), a cavity (811) is arranged inside the fixed frame (89), the sliding block (810) is in sliding connection with the cavity (811), a first threaded hole (812) is arranged at the center of the bottom of the sliding block (810), the center of the upper end of the sliding block (810) is fixedly connected with one end of a hinge rod (813), the first screw rod (80) is in threaded connection with the first threaded hole (812), the other end of the hinge rod (813) is hinged with the side face of an elastic pressing sheet (78), and unlocking plates (816) are respectively arranged at two joints of the unlocking ring (81), the unlocking plate (816) is provided with a threaded through hole, and the threaded through hole is in threaded connection with the unlocking rod (815)
2. The detection clamp for the corrugated pipe airtightness detection device according to claim 1, wherein: fixture (5) includes support frame (50), fixed block (51), movable block (52) and second cylinder (59), support frame (50) are the U-shaped, and two support leg fixed connection are close to the position of right-hand member in base (1) upper surface around support frame (50), fixed block (51) are located the intermediate position of two support legs around support frame (50), and the lower surface of fixed block (51) is connected with the last fixed surface of base (1), and the upper surface central point of fixed block (51) puts and is equipped with down arc wall (57), and the upper surface of fixed block (51) is close to the border position of both sides face and the lower extreme fixed connection of locating lever (54) around, the bottom of arc wall (57) is connected with first pressure sensor (53) down, the upper end of locating lever (54) and the last backup pad bottom fixed connection of support frame (50), the position that fixed block (51) upper surface is close to locating lever (56) is equipped with first infrared distance meter (56), activity block (52) are located fixed block (51) directly over, and the lower surface central point of activity block (52) puts and is equipped with last arc wall (58) that the arc wall (57) size equals down, and the position that activity block (52) are close to front and back both sides face is equipped with constant head tank (55) corresponding with locating lever (54), locating lever (54) and constant head tank (55) sliding connection, second cylinder (59) fixed connection is put at the central point of the last backup pad of support frame (50), the output shaft of second cylinder (59) and the last fixed surface of activity block (52) are connected, controller (11) and first pressure sensor (53), first infrared distance meter (56) and second cylinder (59) electric connection.
3. The detection clamp for the corrugated pipe airtightness detection device according to claim 2, wherein: elevating system (6) includes motor (60) and screw hole (62), the surface of base (1) is equipped with rectangular channel (63), central point that rectangular channel (63) bottom was fixed in motor (60) puts, and the output shaft of motor (63) passes through the shaft coupling and is connected with the bottom of second lead screw (61), screw hole (62) are established in the bottom of elevator (3) and it is corresponding with second lead screw (61), second lead screw (61) and screw hole (62) threaded connection, the left and right sides wall central point of rectangular channel (63) puts and is equipped with sliding plate (64), the left and right sides face central point of elevator (3) puts and is equipped with rectangle spout (65), sliding plate (64) and rectangle spout (65) sliding connection, controller (11) and motor (60) electric connection.
4. The detection clamp for the corrugated pipe airtightness detection device according to claim 3, wherein: the diameters of the lower arc-shaped groove (57) and the upper arc-shaped groove (58) are equal, rubber pads are arranged on the surfaces of the lower arc-shaped groove and the upper arc-shaped groove, and the height of the lifting block (3) is larger than the depth of the rectangular groove (63).
5. The detection clamp for the corrugated pipe airtightness detection device according to claim 1, wherein: sealing rings are arranged at the joint of the top plate (75) and the inflation groove (74), the right surface of the top plate (75) and the joint of the air inlet channel (72) and the air inlet pipe (4), and rubber pads are arranged on the surfaces of the elastic pressing sheets (78).
6. The detection clamp for the corrugated pipe airtightness detection device according to claim 1, wherein: the bottom fixedly connected with of base (1) a plurality of landing legs (9), the bottom of landing leg (9) is connected with universal wheel (10), the one end and the gas outlet of air feeder are connected of intake pipe (4), are connected with electromagnetism pneumatic valve (12) on intake pipe (4), electromagnetism pneumatic valve (12) and controller (11) electric connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810689196.8A CN108871677B (en) | 2018-06-28 | 2018-06-28 | Bellows gas tightness detection device is with detecting anchor clamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN110174217A (en) * | 2019-06-20 | 2019-08-27 | 高博集团有限公司 | A kind of fuel filter leak-testing apparatus and its detection method |
| CN111896188B (en) * | 2020-09-04 | 2022-03-29 | 浙江大学台州研究院 | Bellows leak test machine |
| CN113798890B (en) * | 2021-10-28 | 2024-03-19 | 深圳市东汇精密机电有限公司 | Workpiece fixing device, machine tool loading and unloading device and loading and unloading method |
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| US3383906A (en) * | 1965-07-02 | 1968-05-21 | Vallourec | Bench for pneumatically testing the impermeability of tubes |
| GB2404256A (en) * | 2003-07-24 | 2005-01-26 | Gareth Mark Evans | Pedal cycle portable puncture finder |
| CN101281084A (en) * | 2008-05-30 | 2008-10-08 | 烟台鲁宝钢管有限责任公司 | Pre-water filling steel tube hydraulic test method and special-purpose equipment thereof |
| CN202350989U (en) * | 2011-12-08 | 2012-07-25 | 芜湖泰和管业有限公司 | Detection clamp for corrugated pipe air tightness detection device |
| CN203629773U (en) * | 2013-11-22 | 2014-06-04 | 玉环县金龙欧浴洁具有限公司 | Metal corrugated pipe digital-display automatic leakage testing machine |
| CN204556180U (en) * | 2015-05-14 | 2015-08-12 | 杭州戴雷科技有限公司 | A kind of valve air tightness test machine |
| CN106641534A (en) * | 2015-11-02 | 2017-05-10 | 上海元孚动力科技发展有限公司 | Quick joint |
| KR101975805B1 (en) * | 2018-09-13 | 2019-05-07 | 구종환 | Leak tester for valve and leak test method using the same |
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