CN113551903A - Valve closing equipment for auxiliary detection of plug valve airtightness - Google Patents
Valve closing equipment for auxiliary detection of plug valve airtightness Download PDFInfo
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- CN113551903A CN113551903A CN202110887388.1A CN202110887388A CN113551903A CN 113551903 A CN113551903 A CN 113551903A CN 202110887388 A CN202110887388 A CN 202110887388A CN 113551903 A CN113551903 A CN 113551903A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/003—Machine valves
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
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Abstract
The invention relates to the technical field of plug valves, in particular to valve closing equipment for auxiliary detection of the leakproofness of plug valves, which comprises a special-shaped four-corner underframe, a cam cylinder, a driving mechanism, a forward-pushing rotating mechanism, a resetting mechanism and the like; the special-shaped four-corner underframe is fixedly provided with a cam cylinder, the driving mechanism is arranged on the special-shaped four-corner underframe, the front pushing rotating mechanism is rotatably connected with the driving mechanism, and the resetting mechanism is arranged on the front pushing rotating mechanism. The pushing block pushes the triangular block and the device on the triangular block to move towards the direction far away from the long axis, the sliding frame drives the sliding rod and the device on the sliding rod to move towards the direction far away from the long axis, so that the valve of the plug valve is clamped into the I-shaped rotary sleeve, the small gear rotates to drive the large gear and the device on the large gear to rotate under the action of the screw rod, and the I-shaped rotary sleeve drives the valve of the plug valve to rotate so that the valve of the plug valve is closed.
Description
Technical Field
The invention relates to the technical field of plug valves, in particular to valve closing equipment for auxiliary detection of the leakproofness of plug valves.
Background
The plug valve is a rotary valve in a closing part or a plunger shape, and the opening or the closing of the valve is realized by rotating 90 degrees to enable a passage port on the plug to be communicated with or separated from a passage port on the valve body. An important feature is that it is easily adaptable to a multi-channel configuration so that two, three or even four different flow paths are available for a valve, which simplifies the piping design, reduces the number of valves and the number of connection fittings required in the device.
The sealing performance of plug valve is especially important, consequently produces the back at the plug valve, needs to detect the sealing performance of plug valve, before carrying out the gas tightness to the plug valve and detecting, needs the valve of artifical observation plug valve to close, if the valve of plug valve is in the open mode, needs artifical manual to close it, then carries out the gas tightness and detects, because the plug valve production capacity is more, this process is loaded down with trivial details, influences the subsequent detection process of plug valve easily.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the valve closing equipment for auxiliary detection of the leakproofness of the plug valves, which can close the valves of the plug valves, can quickly close the valves of the batch plug valves and can collect the plug valves with the valves closed.
The technical scheme is as follows: the valve closing equipment comprises a special-shaped four-corner underframe, a cam cylinder, a driving mechanism, a forward pushing rotating mechanism, a resetting mechanism, an intermittent rotating mechanism and a clamping and loosening mechanism, wherein the cam cylinder is fixedly mounted on the special-shaped four-corner underframe, the driving mechanism is arranged on the special-shaped four-corner underframe, the forward pushing rotating mechanism is rotatably connected with the driving mechanism, the resetting mechanism is arranged on the forward pushing rotating mechanism, the intermittent rotating mechanism is rotatably connected onto the cam cylinder, and the clamping and loosening mechanism is rotatably connected onto the intermittent rotating mechanism in a distributed mode.
As a further preferred scheme, the driving mechanism comprises a servo motor, a notch rotating shaft, a slotting rotating shaft, a poking rod, a first reset spring, a long shaft, pushing blocks and a convex block, the servo motor is fixedly installed on the special-shaped four-corner underframe, the notch rotating shaft is welded on an output shaft of the servo motor, the slotting rotating shaft is fixedly connected to the top of the notch rotating shaft, the poking rod is slidably connected to the slotting rotating shaft, a notch corresponding to the poking rod is formed in the notch rotating shaft, the first reset spring is connected to one end of the poking rod, one end of the first reset spring is connected to the slotting rotating shaft, the long shaft is fixedly connected to the top of the slotting rotating shaft, the two pushing blocks are welded to the long shaft, and the convex block is arranged on the servo motor.
As a further preferable scheme, the front pushing rotating mechanism comprises a rectangular slotted frame, a triangular block, a sliding sleeve, an I-shaped rotating sleeve, a second reset spring, a large gear, a sliding frame, a pinion, a sliding rod, a lead screw and a third reset spring, wherein the long shaft is rotatably connected with the rectangular slotted frame, the rectangular slotted frame is symmetrically and slidably connected with the triangular block, a pushing block is in mutual contact with the triangular block, the triangular block is rotatably connected with the sliding sleeve, the sliding sleeve is slidably connected with the I-shaped rotating sleeve, one side of the triangular block is fixedly connected with the second reset spring, one end of the second reset spring is fixedly connected with the rectangular slotted frame, the I-shaped rotating sleeve is fixedly connected with the large gear, the I-shaped rotating sleeve is rotatably connected with the sliding frame, the sliding frame is rotatably connected with the pinion, the pinion is mutually engaged with the large gear, the sliding frame is slidably connected with the sliding rod and penetrates through the pinion, one end of the sliding rod is welded with a screw rod, a thread groove corresponding to the screw rod is arranged in the pinion, and a third return spring is connected between the sliding sleeve and the I-shaped rotating sleeve.
As a further preferable scheme, the reset mechanism comprises a rectangular slide rail frame, a first rotating shaft, a swing plate, a first torsion spring, a fourth reset spring, an L-shaped connecting rod, an N-shaped rotating shaft seat, a second rotating shaft, a swing wedge block, a second torsion spring, an L-shaped slotted frame, a first slide wedge block, a second slide wedge block and a fifth reset spring, the rectangular slide rail frame is rotatably connected on the long shaft, the slide rod is slidably connected with the rectangular slide rail frame, the first rotating shaft is rotatably connected on the slide rod, the swing plate is fixedly connected on the first rotating shaft, the swing plate is contacted with the slide rod, the first torsion spring is fixedly connected on the swing plate, one end of the first torsion spring is connected with the slide rod, the fourth reset spring is connected between the rectangular slide rail frame and the slide rod, the two L-shaped connecting rods are welded on the rectangular slide rail frame, the N-shaped rotating shaft seat is rotatably connected on the L-shaped connecting rod, the second rotating shaft is rotatably connected on the N-shaped rotating shaft seat, a swinging wedge block is fixedly connected to the second rotating shaft, the swinging wedge block is in contact with the L-shaped connecting rod, a pair of second torsion springs is connected to the swinging wedge block in a connected mode, one end of each second torsion spring is fixedly connected with the N-shaped rotating shaft seat, an L-shaped slotting frame is welded to one side of each triangular block, a sliding wedge block I is connected to the L-shaped slotting frame in a sliding mode, a sliding wedge block II is fixedly connected to the sliding wedge block I, a fifth reset spring is connected to the bottom face of the sliding wedge block I, and one end of the fifth reset spring is fixedly connected with the L-shaped slotting frame.
As a further preferred scheme, the intermittent rotating mechanism comprises a four-corner rotating disk, trapezoidal ejector blocks and sixth reset springs, the four-corner rotating disk is rotatably connected to the cam cylinder, the four-corner rotating disk is slidably connected with two pairs of trapezoidal ejector blocks, the trapezoidal ejector blocks are mutually contacted with the cam cylinder, the trapezoidal ejector blocks are connected with the sixth reset springs in a connecting mode, and one ends of the sixth reset springs are fixedly connected with the four-corner rotating disk.
As a further preferable scheme, the clamping and releasing mechanism comprises a swinging shaft, a clamping rod and a third torsion spring, the swinging shaft is connected to the four-corner rotating disc in a distributed rotating mode, the clamping rod is fixedly connected to the swinging shaft, the clamping rod is in contact with the trapezoidal jacking block, and the third torsion spring is connected between the clamping rod and the four-corner rotating disc.
The invention has the following advantages:
the pushing block pushes the triangular block and the device on the triangular block to move towards the direction far away from the long axis, the sliding frame drives the sliding rod and the device on the sliding rod to move towards the direction far away from the long axis, so that the valve of the plug valve is clamped into the I-shaped rotary sleeve, the small gear rotates to drive the large gear and the device on the large gear to rotate under the action of the screw rod, and the I-shaped rotary sleeve drives the valve of the plug valve to rotate so that the valve of the plug valve is closed.
The lug pushes the poke rod to move towards the direction close to the trapezoidal jacking block, then the poke rod can push the four-corner rotating disk and the upper device to rotate, and the clamping rod drives the plug valve to rotate ninety degrees, so that the plug valve is separated from the special-shaped four-corner underframe.
Reset through sixth reset spring and drive trapezoidal kicking block and move in opposite directions, trapezoidal kicking block no longer promotes the clamping bar, and the third torque spring of compressed resets and drives the relative swing of clamping bar, and the clamping bar no longer presss from both sides the plug valve tightly for the plug valve that has closed the valve drops from heterotypic four corners chassis, and the staff of being convenient for collects the plug valve.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of the present invention.
Fig. 2 is a schematic perspective view of a second embodiment of the present invention.
Fig. 3 is a schematic three-dimensional structure diagram of the special-shaped four-corner chassis and the cam cylinder.
Fig. 4 is a partially cut-away perspective view of the driving mechanism of the present invention.
Fig. 5 is a schematic view of a first partial structure of the forward-pushing rotating mechanism of the present invention.
Fig. 6 is an enlarged schematic view of the structure of the present invention a.
Fig. 7 is a partially disassembled perspective view of the forward-pushing rotating mechanism of the present invention.
Fig. 8 is a schematic view of a second partial structure of the forward rotating mechanism of the present invention.
FIG. 9 is an enlarged schematic view of the present invention B.
FIG. 10 is an enlarged schematic view of the present invention C.
FIG. 11 is an enlarged schematic view of the present invention D.
Fig. 12 is a schematic perspective view of an intermittent rotary mechanism according to the present invention.
Fig. 13 is a perspective view of the clamping and releasing mechanism of the present invention.
Wherein: 1-special-shaped quadrangular underframe, 2-cam cylinder, 3-driving mechanism, 31-servomotor, 32-notched rotating shaft, 33-slotted rotating shaft, 34-poke rod, 35-first return spring, 36-long shaft, 37-push block, 38-lug, 4-forward-push rotating mechanism, 41-rectangular slotted frame, 42-triangular block, 43-sliding sleeve, 44-I-shaped rotating sleeve, 45-second return spring, 46-large gear, 47-sliding frame, 48-small gear, 49-sliding rod, 410-screw rod, 411-third return spring, 5-return mechanism, 51-rectangular sliding rail frame, 52-rotating shaft I, 53-swinging plate, 54-first torsion spring, 55-fourth return spring, 56-L-shaped connecting rod, 57-N-shaped rotating shaft seat, 58-rotating shaft II, 59-swinging wedge block, 510-second torsion spring, 512-L-shaped slotted frame, 513-sliding wedge block I, 514-sliding wedge block II, 515-fifth return spring, 6-intermittent rotating mechanism, 61-four-corner rotating disc, 62-trapezoidal top block, 63-sixth return spring, 7-clamping release mechanism, 71-swinging shaft, 72-clamping rod and 73-third torsion spring.
Detailed Description
In order to make the technical solution and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example (b): a valve closing device for auxiliary detection of plug valve airtightness is disclosed, as shown in figures 1-13, and comprises a special-shaped four-corner bottom frame 1, a cam cylinder 2, a driving mechanism 3, a forward pushing rotating mechanism 4, a resetting mechanism 5, an intermittent rotating mechanism 6 and a clamping and releasing mechanism 7, wherein the cam cylinder 2 is fixedly installed on the special-shaped four-corner bottom frame 1 for placing a plug valve, the driving mechanism 3 is arranged on the special-shaped four-corner bottom frame 1, the forward pushing rotating mechanism 4 is rotatably connected with the driving mechanism 3, the forward pushing rotating mechanism 4 is used for closing the valve of the plug valve, the resetting mechanism 5 is arranged on the forward pushing rotating mechanism 4, the intermittent rotating mechanism 6 is rotatably connected on the cam cylinder 2, and the clamping and releasing mechanism 7 for clamping or releasing the plug valve is rotatably connected on the intermittent rotating mechanism 6 in a distributed mode.
The driving mechanism 3 comprises a servo motor 31, a gap rotating shaft 32, a slotted rotating shaft 33 and a poke rod 34, the special-shaped four-corner underframe comprises a first return spring 35, a long shaft 36, pushing blocks 37 and a bump 38, wherein a servo motor 31 is fixedly installed on a special-shaped four-corner underframe 1, a notched rotating shaft 32 is welded on an output shaft of the servo motor 31, a notched rotating shaft 33 is fixedly connected to the top of the notched rotating shaft 32, a shifting rod 34 is connected to the notched rotating shaft 33 in a sliding mode, a notch corresponding to the shifting rod 34 is formed in the notched rotating shaft 32, one end of the shifting rod 34 is connected with the first return spring 35, one end, far away from the shifting rod 34, of the first return spring 35 is connected with the notched rotating shaft 33, the long shaft 36 is fixedly connected to the top of the notched rotating shaft 33, two pushing blocks 37 are welded on the long shaft 36, the pushing blocks 37 are used for pushing a triangular block 42 and an upper device of the triangular block to move towards the direction far away from the long shaft 36, the bump 38 is arranged on the servo motor 31, and the bump 38 is used for pushing the shifting rod 34.
The front pushing rotating mechanism 4 comprises a rectangular slotted frame 41, a triangular block 42, a sliding sleeve 43, an I-shaped rotating sleeve 44, a second return spring 45, a large gear 46, a sliding frame 47, a small gear 48, a sliding rod 49, a screw rod 410 and a third return spring 411, the rectangular slotted frame 41 is rotatably connected on the long shaft 36, the triangular block 42 is symmetrically and slidably connected on the rectangular slotted frame 41, the pushing block 37 is in mutual contact with the triangular block 42, the sliding sleeve 43 is rotatably connected on the triangular block 42, the I-shaped rotating sleeve 44 is slidably connected on the sliding sleeve 43, the second return spring 45 is fixedly connected on one side of the triangular block 42, one end of the second return spring 45 far away from the triangular block 42 is fixedly connected with the rectangular slotted frame 41, the large gear 46 is fixedly connected on the I-shaped rotating sleeve 44, the sliding frame 47 is rotatably connected on the I-shaped rotating sleeve 44, the small gear 48 is rotatably connected on the sliding frame 47, and the small gear 48 is mutually meshed with the large gear 46, a sliding rod 49 is connected on the sliding frame 47 in a sliding mode, the sliding rod 49 penetrates through the small gear 48, a screw rod 410 is welded at one end of the sliding rod 49 far away from the sliding frame 47, a thread groove corresponding to the screw rod 410 is formed in the small gear 48, and a third return spring 411 is connected between the sliding sleeve 43 and the I-shaped rotating sleeve 44.
The reset mechanism 5 comprises a rectangular slide rail frame 51, a first rotating shaft 52, a swinging plate 53, a first torsion spring 54, a fourth reset spring 55, an L-shaped connecting rod 56, an N-shaped rotating shaft seat 57, a second rotating shaft 58, a swinging wedge block 59, a second torsion spring 510, an L-shaped slotted frame 512, a first sliding wedge block 513, a second sliding wedge block 514 and a fifth reset spring 515, wherein the long shaft 36 is rotatably connected with the rectangular slide rail frame 51, the sliding rod 49 is slidably connected with the rectangular slide rail frame 51, the sliding rod 49 far away from the screw rod 410 is rotatably connected with the first rotating shaft 52, the first rotating shaft 52 is fixedly connected with the swinging plate 53, the swinging plate 53 is contacted with the sliding rod 49, the sliding rod 49 is used for blocking the swinging plate 53, the first torsion spring 54 is fixedly connected with the swinging plate 53, one end of the first torsion spring 54 far away from the swinging plate 53 is connected with the sliding rod 49, the fourth reset spring 55 is connected between the rectangular slide rail frame 51 and the sliding rod 49, two L-shaped connecting rods 56 are welded on the rectangular slide rail frame 51, an N-shaped rotating shaft seat 57 is rotatably connected on the L-shaped connecting rod 56 far away from the rectangular slide rail frame 51, a second rotating shaft 58 is rotatably connected on the N-shaped rotating shaft seat 57, a swinging wedge block 59 is fixedly connected on the second rotating shaft 58, the swinging wedge block 59 is contacted with the L-shaped connecting rod 56, the L-shaped connecting rod 56 is used for blocking the swinging wedge block 59, a pair of second torsion springs 510 is connected on the swinging wedge block 59, one end of the second torsion spring 510 far away from the swinging wedge block 59 is fixedly connected with the N-shaped rotating shaft seat 57, an L-shaped slotting frame 512 is welded on one side of the triangular block 42, a first sliding wedge block 513 is slidably connected on the L-shaped slotting frame 512 far away from the triangular block 42, the first sliding wedge block 513 is used for blocking the swinging plate 53, a second sliding wedge block 514 is fixedly connected on the first sliding wedge block 513, and a fifth reset spring 515 is connected on the bottom surface of the first sliding wedge block 513, one end of a fifth return spring 515 far away from the first sliding wedge-shaped block 513 is fixedly connected with the L-shaped slotted frame 512.
The intermittent rotating mechanism 6 comprises a four-corner rotating disk 61, trapezoidal top blocks 62 and a sixth reset spring 63, the four-corner rotating disk 61 is rotatably connected to the cam cylinder 2, the four-corner rotating disk 61 is slidably connected with two pairs of trapezoidal top blocks 62, the trapezoidal top blocks 62 are mutually contacted with the cam cylinder 2, the cam cylinder 2 is used for pushing the two trapezoidal top blocks 62 to move relatively, the trapezoidal top blocks 62 are connected with the sixth reset spring 63 in a linked mode, and one end, far away from the trapezoidal top blocks 62, of the sixth reset spring 63 is fixedly connected with the four-corner rotating disk 61.
The clamping and releasing mechanism 7 comprises a swinging shaft 71, a clamping rod 72 and a third torsion spring 73, the swinging shaft 71 is connected to the four-corner rotating disc 61 in a distributed rotating mode, the clamping rod 72 is fixedly connected to the swinging shaft 71, the clamping rod 72 is used for clamping the plug valve, the clamping rod 72 is in contact with the trapezoidal jacking block 62, the trapezoidal jacking block 62 is used for pushing the clamping rod 72 to swing oppositely, and the third torsion spring 73 is connected between the clamping rod 72 and the four-corner rotating disc 61.
Before the air tightness detection is carried out on the plug valve, when the valve of the plug valve needs to be closed, a worker places two plug valves on the special-shaped four-corner underframe 1, the clamping rod 72 clamps the plug valves, then the worker manually starts the servo motor 31, the output shaft of the servo motor 31 rotates to drive the notch rotating shaft 32 and the upper device thereof to rotate clockwise, the pushing block 37 can push the triangular block 42 and the upper device thereof to move towards the direction away from the long shaft 36, the sliding frame 47 drives the sliding rod 49 and the upper device thereof to move towards the direction away from the long shaft 36, so that the valve of the plug valve is clamped into the I-shaped rotating sleeve 44, when the thread groove on the pinion 48 is meshed with the lead screw 410, the pinion 48 rotates to drive the large gear 46 and the upper device thereof to rotate, and the I-shaped rotating sleeve 44 drives the valve of the plug valve to rotate, so that the valve of the plug valve is closed.
When the triangular block 42 moves away from the long shaft 36, the triangular block 42 drives the L-shaped slotting machine 512 and the upper device thereof to move away from the long shaft 36, when the sliding wedge block II 514 and the swinging wedge block 59 are in contact with each other, the sliding wedge block II 514 pushes the swinging wedge block 59 to swing, then the sliding wedge block II 514 is separated from the swinging wedge block 59, the compressed second torsion spring 510 resets to drive the swinging wedge block 59 to swing and reset, then the sliding wedge block I513 is in contact with the swinging plate 53, the swinging plate 53 pushes the sliding wedge block I513 and the sliding wedge block II 514 to move downwards, then the sliding wedge block I513 is separated from the swinging plate 53, the compressed fifth reset spring 515 resets to drive the sliding wedge block I513 and the sliding wedge block II 514 to move upwards and reset, and the sliding wedge block I513 blocks the swinging plate 53.
After the notch rotating shaft 32 and the upper device thereof rotate ninety degrees clockwise, the pushing block 37 will separate from the triangular block 42, the compressed second return spring 45 returns to drive the triangular block 42 and the upper device thereof to move and return towards the direction close to the long shaft 36, so that the I-shaped rotating sleeve 44 disengages from the valve of the plug valve, meanwhile, the triangular block 42 drives the L-shaped slotting frame 512 and the upper device thereof to move towards the direction close to the long shaft 36, the sliding wedge block I513 drives the swinging plate 53 and the upper device thereof to move towards the direction close to the long shaft 36, the fourth return spring 55 is compressed, when the sliding wedge block II 514 contacts the swinging wedge block 59 again, the swinging wedge block 59 will block the swinging wedge block 59 due to the L-shaped connecting rod 56, the swinging wedge block 59 will push the sliding wedge block II 514 and the sliding wedge block I513 will not drive the swinging plate 53 and the upper device thereof to move towards the direction close to the long shaft 36 any more, the compressed fourth return spring 55 is reset to drive the sliding rod 49 and the device thereon to move in the direction away from the long shaft 36, and the small gear 48 rotates to drive the large gear 46 and the device thereon to rotate and reset through the action of the screw rod 410. Then, the second sliding wedge 514 is separated from the swinging wedge 59, and the compressed fifth return spring 515 returns to drive the first sliding wedge 513 and the second sliding wedge 514 to move upwards to return.
When the pushing block 37 is separated from the triangular block 42, the poking rod 34 contacts with the projection 38, the notch rotating shaft 32 drives the poking rod 34 to rotate continuously, the projection 38 pushes the poking rod 34 to move towards the direction close to the trapezoidal jacking block 62, then the poking rod 34 pushes the four-corner rotating disk 61 and the upper device to rotate, and the clamping rod 72 drives the plug valve to rotate ninety degrees, so that the plug valve is separated from the special-shaped four-corner underframe 1. The cam cylinder 2 will push the two trapezoidal top blocks 62 to move relatively, and the trapezoidal top blocks 62 push the clamping rods 72 to swing relatively. When two trapezoidal kicking blocks 62 and cam drum 2 separation in addition, the sixth reset spring 63 that is in tensile state resets and drives trapezoidal kicking block 62 and move in opposite directions, and trapezoidal kicking block 62 no longer promotes clamping bar 72, and compressed third torsion spring 73 resets and drives clamping bar 72 and swing relatively, and clamping bar 72 no longer presss from both sides the plug valve tightly for the plug valve that has closed the valve drops through heterotypic four corners chassis 1, and the staff of being convenient for collects the plug valve. And repeating the operation, closing the valves of the plug valves in batches, and manually closing the servo motor 31 by a worker after the work is finished so as to stop the operation of the equipment.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (6)
1. The utility model provides a plug valve leakproofness is supplementary to be detected and is used valve closing equipment which characterized in that: the intermittent rotating mechanism comprises a special-shaped four-corner chassis, a cam cylinder, a driving mechanism, a forward pushing rotating mechanism, a resetting mechanism, an intermittent rotating mechanism and a clamping and loosening mechanism, wherein the cam cylinder is fixedly installed on the special-shaped four-corner chassis, the driving mechanism is arranged on the special-shaped four-corner chassis, the forward pushing rotating mechanism is rotatably connected with the driving mechanism, the resetting mechanism is arranged on the forward pushing rotating mechanism, the intermittent rotating mechanism is rotatably connected with the cam cylinder, and the clamping and loosening mechanism is rotatably connected with the intermittent rotating mechanism in a distributed mode.
2. The valve closing device for auxiliary detection of the leakproofness of plug valves according to claim 1, wherein: the driving mechanism comprises a servo motor, a notch rotating shaft, a slotting rotating shaft, a poking rod, a first reset spring, a long shaft, pushing blocks and convex blocks, the servo motor is fixedly installed on the special-shaped four-corner underframe, the notch rotating shaft is welded on an output shaft of the servo motor, the top of the notch rotating shaft is fixedly connected with the slotting rotating shaft, the poking rod is connected with the slotting rotating shaft in a sliding mode, a notch corresponding to the poking rod is formed in the notch rotating shaft, one end of the poking rod is connected with the first reset spring, one end of the first reset spring is connected with the slotting rotating shaft, the long shaft is fixedly connected to the top of the slotting rotating shaft, the long shaft is welded with the two pushing blocks, and the convex blocks are arranged on the servo motor.
3. The valve closing device for auxiliary detection of the leakproofness of plug valves according to claim 2, wherein: the front pushing rotating mechanism comprises a rectangular slotting frame, a triangular block, a sliding sleeve, an I-shaped rotating sleeve, a second return spring, a large gear, a sliding frame, a small gear, a sliding rod, a screw rod and a third return spring, the long shaft is rotatably connected with the rectangular slotting frame, the rectangular slotting frame is symmetrically and slidably connected with the triangular block, the pushing block is in contact with the triangular block, the triangular block is rotatably connected with the sliding sleeve, the sliding sleeve is slidably connected with the I-shaped rotating sleeve, one side of the triangular block is fixedly connected with the second return spring, one end of the second return spring is fixedly connected with the rectangular slotting frame, the large gear is fixedly connected with the I-shaped rotating sleeve, the I-shaped rotating sleeve is rotatably connected with the sliding frame, the sliding frame is rotatably connected with the small gear, the small gear is mutually meshed with the large gear, the sliding frame is slidably connected with the sliding rod, the sliding rod penetrates through the small gear, one end of the sliding rod is welded with the screw rod, and a thread groove corresponding to the screw rod is arranged in the small gear, a third return spring is connected between the sliding sleeve and the I-shaped rotating sleeve.
4. The valve closing device for auxiliary detection of the leakproofness of plug valves according to claim 3, wherein: the reset mechanism comprises a rectangular slide rail frame, a first rotating shaft, a swinging plate, a first torsion spring, a fourth reset spring, an L-shaped connecting rod, an N-shaped rotating shaft seat, a second rotating shaft, a swinging wedge block, a second torsion spring, an L-shaped slotted frame, a first sliding wedge block, a second sliding wedge block and a fifth reset spring, wherein the rectangular slide rail frame is rotatably connected to a long shaft, the sliding rod is slidably connected with the rectangular slide rail frame, the first rotating shaft is rotatably connected to the sliding rod, the first rotating shaft is fixedly connected with the swinging plate, the swinging plate is mutually contacted with the sliding rod, the first torsion spring is fixedly connected to the swinging plate, one end of the first torsion spring is connected with the sliding rod, the fourth reset spring is connected between the rectangular slide rail frame and the sliding rod, the two L-shaped connecting rods are welded to the rectangular slide rail frame, the N-shaped rotating shaft seat is rotatably connected to the L-shaped connecting rod, and the second rotating shaft seat is rotatably connected to the N-shaped rotating shaft seat, a swinging wedge block is fixedly connected to the second rotating shaft, the swinging wedge block is in contact with the L-shaped connecting rod, a pair of second torsion springs is connected to the swinging wedge block in a connected mode, one end of each second torsion spring is fixedly connected with the N-shaped rotating shaft seat, an L-shaped slotting frame is welded to one side of each triangular block, a sliding wedge block I is connected to the L-shaped slotting frame in a sliding mode, a sliding wedge block II is fixedly connected to the sliding wedge block I, a fifth reset spring is connected to the bottom face of the sliding wedge block I, and one end of the fifth reset spring is fixedly connected with the L-shaped slotting frame.
5. The valve closing device for auxiliary detection of the leakproofness of plug valves according to claim 4, wherein: the intermittent rotating mechanism comprises a four-corner rotating disk, trapezoidal ejector blocks and a sixth reset spring, the four-corner rotating disk is rotatably connected to the cam cylinder, the four-corner rotating disk is slidably connected with two pairs of trapezoidal ejector blocks, the trapezoidal ejector blocks are mutually touched with the cam cylinder, the trapezoidal ejector blocks are connected with the sixth reset spring in a linked mode, and one end of the sixth reset spring is fixedly connected with the four-corner rotating disk.
6. The valve closing device for auxiliary detection of the leakproofness of plug valves according to claim 5, wherein: the clamping and loosening mechanism comprises a swinging shaft, a clamping rod and a third torsion spring, the swinging shaft is connected to the four-corner rotating disc in a distributed rotating mode, the clamping rod is fixedly connected to the swinging shaft, the clamping rod is in contact with the trapezoidal ejector block, and the third torsion spring is connected between the clamping rod and the four-corner rotating disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110887388.1A CN113551903A (en) | 2021-08-03 | 2021-08-03 | Valve closing equipment for auxiliary detection of plug valve airtightness |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110887388.1A CN113551903A (en) | 2021-08-03 | 2021-08-03 | Valve closing equipment for auxiliary detection of plug valve airtightness |
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| CN113551903A true CN113551903A (en) | 2021-10-26 |
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| CN202110887388.1A Pending CN113551903A (en) | 2021-08-03 | 2021-08-03 | Valve closing equipment for auxiliary detection of plug valve airtightness |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114273362A (en) * | 2021-12-17 | 2022-04-05 | 林秀根 | Glass container cleaning equipment is used in laboratory |
| CN115307843A (en) * | 2022-07-25 | 2022-11-08 | 山东宏丰智能装备有限公司 | Plug valve sealing performance pressure testing device |
| CN115389112A (en) * | 2022-10-28 | 2022-11-25 | 国惠智能科技(江苏)有限公司 | Leakproofness detection device is used in valve production |
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2021
- 2021-08-03 CN CN202110887388.1A patent/CN113551903A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114273362A (en) * | 2021-12-17 | 2022-04-05 | 林秀根 | Glass container cleaning equipment is used in laboratory |
| CN114273362B (en) * | 2021-12-17 | 2023-12-12 | 云阳县沙沱初级中学 | Laboratory glass container cleaning equipment |
| CN115307843A (en) * | 2022-07-25 | 2022-11-08 | 山东宏丰智能装备有限公司 | Plug valve sealing performance pressure testing device |
| CN115307843B (en) * | 2022-07-25 | 2023-04-04 | 山东宏丰智能装备有限公司 | Plug valve sealing performance pressure testing device |
| CN115389112A (en) * | 2022-10-28 | 2022-11-25 | 国惠智能科技(江苏)有限公司 | Leakproofness detection device is used in valve production |
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