CN112217362B - Centrifugal pump capable of automatically correcting unbalance of rotor and correction method thereof - Google Patents
Centrifugal pump capable of automatically correcting unbalance of rotor and correction method thereof Download PDFInfo
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- CN112217362B CN112217362B CN202011026018.0A CN202011026018A CN112217362B CN 112217362 B CN112217362 B CN 112217362B CN 202011026018 A CN202011026018 A CN 202011026018A CN 112217362 B CN112217362 B CN 112217362B
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- nut seat
- centrifugal pump
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/16—Centering rotors within the stator; Balancing rotors
- H02K15/165—Balancing the rotor
Abstract
The invention discloses a centrifugal pump capable of automatically correcting unbalance of a rotor, which comprises a bottom plate, fastening bolts, a base and a pump body, wherein the pump body is fixedly arranged on the base, the bottom of the base is provided with the bottom plate, the fastening bolts are respectively arranged at four corners of the base, a first piston rod in the base is controlled to move downwards through a first hydraulic cylinder, a first limiting rod can limit the moving direction of a lifting plate, the stability of the lifting plate during movement is improved, a magnetic plate falls into a bolt frame, the fastening bolts in the bolt frame are sucked, the rotating plate is controlled to lift, the rotating plate is controlled to rotate through an output shaft of a rotating motor, the fastening bolts are placed into through holes of the base, feeding is realized, the work load of workers is reduced, the rotating plate is rotated after feeding, the pressing plate is moved to the upper part of the base, the two first piston rods are controlled to synchronously move downwards again, the base is synchronously pressed downwards, and the position of the pump body is corrected.
Description
Technical Field
The invention relates to the field of centrifugal cup equipment, in particular to a centrifugal pump capable of automatically correcting unbalance of a rotor and a correction method thereof.
Background
Centrifugal pumps are pumps which convey liquid by centrifugal force generated when impellers rotate, and in the use process of the centrifugal pumps, mechanical intense vibration occurs, so that when the device cannot normally operate, most of centrifugal pumps are caused by unbalanced rotors.
Most of existing rotor unbalance solving modes are that dismounting devices are used for resetting, tightness of bolts is checked, total dismounting time is long, pump body base balance is difficult to guarantee through manual bolt fixing, existing rotor correcting devices cannot fix base plates of centrifugal pumps with different sizes, fixing and dismounting are inconvenient, and correction is inconvenient; in the existing rotor correction device, fastening bolts are required to be manually placed into through holes of a base, feeding work is achieved, and the position of a pump body cannot be corrected; the existing rotor correction device can only carry out screwing fixation of the fastening bolt by moving the pump body position, and cannot adjust the position of the screwing sleeve, so that the rotor correction device is inconvenient to use.
Disclosure of Invention
The invention aims to provide a centrifugal pump capable of automatically correcting unbalance of a rotor and a correction method thereof, which aim to solve the problems that most of existing solutions of unbalance of the rotor are dismounting devices for resetting, the tightness of bolts is checked, the total dismounting time is long, the balance of a pump body base is difficult to ensure by manually fixing the bolts, the existing rotor correction devices cannot fix the bottom plates of centrifugal pumps with different sizes, the fixing and the dismounting are inconvenient, and the correction is inconvenient; in the existing rotor correction device, fastening bolts are required to be manually placed into through holes of a base, feeding work is achieved, and the position of a pump body cannot be corrected; the existing rotor correction device can only carry out screwing fixation of the fastening bolt by moving the pump body position, and cannot adjust the position of the screwing sleeve, so that the problem of inconvenient use is solved.
The aim of the invention can be achieved by the following technical scheme:
the utility model provides a centrifugal pump that can automatic correction rotor unbalance, includes bottom plate, fastening bolt, base and the pump body, the fixed setting of pump body is on the base, and the bottom of base is provided with the bottom plate, and the four corners position of base is provided with fastening bolt respectively, and the through-hole has been seted up respectively to the four corners position of base, has offered the screw hole on the bottom plate of the position that corresponds with four through-holes respectively, and the through-hole on every fastening bolt's bottom passes the base respectively and the screw hole threaded connection on the bottom plate.
A correction method of a centrifugal pump capable of automatically correcting rotor unbalance specifically comprises the following steps:
step one: after the centrifugal pump is placed on a backing plate of the rotor correction device, the base plate and the backing plate are fixed, the mobile plate is pushed to move on the transverse sliding rail through the handle, so that the position of the centrifugal pump is adjusted, a plurality of threaded holes are formed in the backing plate, and the base plate is fixed on the backing plate through bolts;
step two: the first hydraulic cylinder is used for controlling the first piston rod in the lifting plate to move downwards, the first limiting rod can limit the moving direction of the lifting plate, stability of the lifting plate during moving is improved, the magnetic plate falls into the bolt frame, fastening bolts in the bolt frame are absorbed, the rotating plate is controlled to be lifted, the rotating plate is controlled to rotate through an output shaft of the rotating motor, the fastening bolts are placed into the through holes of the base, feeding is achieved, the rotating plate is rotated after feeding, the pressing plate moves to the upper side of the base, the two first piston rods are controlled to synchronously move downwards again, the base is synchronously pressed downwards, and the position of the pump body is corrected;
step three: the output end of the second motor drives the second screw rod to rotate, the bottom end of the second slide block stretches into the second bottom box, the nut seat is arranged at the bottom end of the second slide block, the second screw rod penetrates through the nut seat and is in threaded connection with the nut seat, the second slide block moves along the top surface of the second bottom box, lateral movement of the support column is achieved, the first screw rod is driven to rotate through the output end of the first motor, the bottom end of the first slide block stretches into the first bottom box, the nut seat is arranged at the bottom end of the first slide block, the first screw rod penetrates through the nut seat and is in threaded connection with the nut seat, the first slide block longitudinally moves along the top surface of the first bottom box, longitudinal position adjustment work of the support column is achieved, after the tightening motor moves to the position right above the tightening bolt, the tightening bolt is screwed through a socket wrench at the bottom of the tightening motor, the pump body is balanced, and correction of the centrifugal pump is completed.
As a further scheme of the invention: the rotor correcting device comprises a box body, a workbench and a support column, wherein the workbench is arranged at the top of the box body, a second bottom box is fixedly arranged in the middle of the top surface of the workbench, a second motor is fixedly arranged at one end of the second bottom box, a second screw rod is arranged in the second bottom box, one end of the second screw rod penetrates through the side wall of the second bottom box to be in transmission connection with the output end of the second motor, a second sliding block is arranged at the top of the second bottom box, a first bottom box is fixedly arranged at the top of the second sliding block, a first screw rod is arranged in the first bottom box, a first motor is fixedly arranged at one end of the first bottom box, one end of the first screw rod penetrates through the side wall of the first bottom box to be in transmission connection with the output end of the first motor, a first sliding block is arranged at the top of the first sliding block, a support column is fixedly connected with a screwing motor at the top of the support column, and a socket wrench is arranged at the bottom of the screwing motor; the workbench on two sides of the second bottom box is symmetrically provided with feeding devices, each feeding device comprises a supporting frame and a rotating plate, a first hydraulic cylinder is fixedly arranged in the middle of the top surface of the supporting frame, the top end of a first piston rod in the first hydraulic cylinder is fixedly provided with a lifting plate, the top of the lifting plate is provided with a rotating motor, an output shaft of the rotating motor is fixedly connected with the rotating plate, one end bottom of the rotating plate is provided with a magnetic plate, the bottom of the other end of the rotating plate is provided with a pressing plate, the bottom surface of the supporting frame on two sides of the first hydraulic cylinder is fixedly provided with a second hydraulic cylinder, the top end of a second piston rod in the second hydraulic cylinder penetrates through the top surface of the supporting frame to extend out of the supporting frame, the top end of the second piston rod is fixedly provided with a bolt frame, the second piston rod extending out of the upper part of the support frame is fixedly connected with the bolt frame, the two ends of the bottom of the bolt frame are respectively provided with a second limiting rod, the bottom ends of the two second limiting rods respectively penetrate through the top surface of the support frame, a transverse plate is arranged between the two second limiting rods extending out of the lower part of the top surface of the support frame, when the centrifugal pump is used, after the centrifugal pump is placed on the base plate, the base plate and the base plate are fixed, the mobile plate is pushed to move on the transverse sliding rail through the handle, the position of the centrifugal pump is adjusted, the base plate is provided with a plurality of threaded holes, the base plate is fixed on the base plate through bolts, the fixing work of the base plates of the centrifugal pumps with different sizes is facilitated, the fixing and the disassembling are convenient, and the correction work is facilitated; the first piston rod in the lifting plate is controlled to move downwards through the first hydraulic cylinder, the first limiting rod can limit the moving direction of the lifting plate, stability of the lifting plate during moving is improved, the magnetic plate falls into the bolt frame, fastening bolts in the bolt frame are absorbed, the rotating plate is controlled to be lifted, the rotating plate is controlled to rotate through an output shaft of the rotating motor, the fastening bolts are placed into the through holes of the base, feeding work is achieved, manual feeding is not needed, the workload of workers is reduced, the rotating plate is rotated after feeding, the pressing plate moves to the upper side of the base, the two first piston rods are controlled to synchronously move downwards again, the base is synchronously pressed downwards, and the position of the pump body is corrected; the output end of the second motor drives the second screw rod to rotate, the bottom end of the second slide block stretches into the second bottom box, the nut seat is arranged at the bottom end of the second slide block, the second screw rod penetrates through the nut seat and is in threaded connection with the nut seat, the second slide block moves along the top surface of the second bottom box, lateral movement of the support column is achieved, the first screw rod is driven to rotate through the output end of the first motor, the bottom end of the first slide block stretches into the first bottom box, the nut seat is arranged at the bottom end of the first slide block, the first screw rod penetrates through the nut seat and is in threaded connection with the nut seat, the first slide block longitudinally moves along the top surface of the first bottom box, longitudinal position adjustment work of the support column is achieved, after the fastening bolt is moved to the right above the fastening bolt by screwing a socket wrench at the bottom of the motor, the fastening bolt is screwed, the pump body is balanced, and correction of the rotor inside the centrifugal pump is completed.
As a further scheme of the invention: the bottom of second slider stretches into the inside of second base case, and the bottom of second slider is provided with the nut seat, and the second lead screw passes the inside of nut seat and passes through threaded connection with the nut seat, through the output drive second lead screw of second motor and rotate, because the bottom of second slider stretches into the inside of second base case, and the bottom of second slider is provided with the nut seat, the second lead screw passes the inside of nut seat and passes through threaded connection with the nut seat for the second slider is along the top surface of second base case and removes, realizes the lateral shifting of support column.
As a further scheme of the invention: the bottom of first slider stretches into the inside of first base case, and the bottom of first slider is provided with the nut seat, and first lead screw passes the inside of nut seat and passes through threaded connection with the nut seat, drives first lead screw rotation through the output of first motor, because the bottom of first slider stretches into the inside of first base case, and the bottom of first slider is provided with the nut seat, first lead screw passes the inside of nut seat and passes through threaded connection with the nut seat for the top surface longitudinal movement of first base case is followed to first slider, realizes the longitudinal position adjustment work of support column.
As a further scheme of the invention: the bottom four corners position of every lifter plate is provided with first gag lever post respectively, the top surface of every first gag lever post all passes the support frame stretches out the below of support frame, through the first piston rod downwardly moving of its inside of first pneumatic cylinder control, the direction of movement of lifter plate can be restricted to first gag lever post, the stationarity when improving the lifter plate and remove for the magnetic force board falls into the bolt frame, absorbs the fastening bolt in the bolt frame, and the control revolving plate again risees, and the output shaft control revolving plate through the rotation motor rotates, and inside the through-hole of base was put into fastening bolt, realizes the material loading work, does not need the manual work to carry out the material loading, alleviates workman's work load.
As a further scheme of the invention: the top both ends of every diaphragm respectively with the bottom fixed connection of second gag lever post, all be provided with the dead lever on the top surface of the support frame of every second gag lever post one side, can play the supporting role to the bolt frame through the dead lever, restriction bolt frame downwardly moving's distance simultaneously.
As a further scheme of the invention: the bottom four corners position of every support frame is provided with the supporting leg respectively, and the middle part position of every support frame bottom surface also is provided with the supporting leg, is provided with the gusset plate between the bottom of support column and the first base case, improves the stability of structure, improves the support frame bearing capacity.
As a further scheme of the invention: be provided with the intermediate frame on the workstation between two loading attachment, be provided with the sideslip slide rail on the intermediate frame, the top of sideslip slide rail is provided with the movable plate, and the movable plate is provided with two backing plates side by side, all is provided with a plurality of screw holes on every backing plate, is provided with two handles on the lateral wall of movable plate one side, places the centrifugal pump on the backing plate, and is fixed bottom plate and backing plate, can promote the movable plate and remove on the sideslip slide rail through the handle, realizes the regulation work of centrifugal pump position, is convenient for carry out correction work.
The invention has the beneficial effects that:
1. according to the invention, the handle is used for pushing the movable plate to move on the transverse sliding rail, so that the position of the centrifugal pump is adjusted, the base plate is provided with a plurality of threaded holes, and the base plate is fixed on the base plate through bolts, so that the fixing work of the base plates of centrifugal pumps with different sizes is facilitated, the fixing and the disassembling are convenient, and the correction work is facilitated;
2. according to the invention, the first piston rod in the lifting plate is controlled to move downwards through the first hydraulic cylinder, the first limiting rod can limit the moving direction of the lifting plate, so that the stability of the lifting plate during moving is improved, the magnetic plate falls into the bolt frame, the fastening bolt in the bolt frame is sucked, the rotating plate is controlled to rise, the rotating plate is controlled to rotate through the output shaft of the rotating motor, the fastening bolt is placed into the through hole of the base, feeding is realized, the feeding is not needed, the workload of workers is reduced, the rotating plate is rotated after feeding, the pressing plate is moved to the upper side of the base, the two first piston rods are controlled to synchronously move downwards again, the base is synchronously pressed downwards, and the position of the pump body is corrected;
3. according to the invention, the output end of the second motor drives the second screw rod to rotate, as the bottom end of the second slide block stretches into the second bottom box, the bottom end of the second slide block is provided with the nut seat, the second screw rod passes through the interior of the nut seat and is in threaded connection with the nut seat, so that the second slide block moves along the top surface of the second bottom box, the transverse movement of the support column is realized, the output end of the first motor drives the first screw rod to rotate, as the bottom end of the first slide block stretches into the first bottom box, the bottom end of the first slide block is provided with the nut seat, the first screw rod passes through the interior of the nut seat and is in threaded connection with the nut seat, the first slide block longitudinally moves along the top surface of the first bottom box, the longitudinal position adjustment work of the support column is realized, after the motor is screwed to the position right above a fastening bolt, the fastening bolt is screwed through a socket spanner screwed, the fastening bolt is balanced, the pump body is corrected, and the rotor imbalance caused by assembly errors is solved.
Drawings
The present invention is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
FIG. 1 is a schematic diagram of a centrifugal pump capable of automatically correcting rotor imbalance according to the present invention;
FIG. 2 is a schematic view of a rotor orthotic device according to the present invention;
FIG. 3 is a schematic structural view of a feeding device according to the present invention;
FIG. 4 is a schematic view of a support column according to the present invention;
fig. 5 is an enlarged view of a portion of fig. 2 a in accordance with the present invention.
In the figure: 1. a case; 2. a work table; 3. a support frame; 4. a feeding device; 5. a rotating plate; 6. a pressing plate; 7. a support column; 8. screwing the motor; 9. a traversing slide rail; 10. a middle frame; 12. a second bottom box; 13. a first hydraulic cylinder; 14. a rotating motor; 15. a lifting plate; 16. a first stop lever; 17. a magnetic plate; 18. a bolt frame; 19. a second hydraulic cylinder; 20. a second limit rod; 21. a cross plate; 22. a moving plate; 23. a backing plate; 24. a handle; 25. a first slider; 26. a reinforcing plate; 27. a first motor; 28. a first bottom box; 29. a second slider; 30. a second motor; 100. a bottom plate; 101. a fastening bolt; 102. a base; 103. a pump body.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-5, a centrifugal pump capable of automatically correcting unbalance of a rotor comprises a bottom plate 100, fastening bolts 101, a base 102 and a pump body 103, wherein the pump body 103 is fixedly arranged on the base 102, the bottom of the base 102 is provided with the bottom plate 100, four corners of the base 102 are respectively provided with the fastening bolts 101, four corners of the base 102 are respectively provided with through holes, the bottom end of each fastening bolt 101 respectively penetrates through the through holes in the base 102 and is in threaded connection with the threaded holes in the bottom plate 100, and the bottom plate 100 is respectively provided with threaded holes corresponding to the four through holes.
A correction method of a centrifugal pump capable of automatically correcting rotor unbalance specifically comprises the following steps:
step one: after the centrifugal pump is placed on the backing plate 23 of the rotor correction device, the bottom plate 100 and the backing plate 23 are fixed, the handle 24 pushes the moving plate 22 to move on the transverse sliding rail 9, so that the position of the centrifugal pump is adjusted, the backing plate 23 is provided with a plurality of threaded holes, the bottom plate 100 is fixed on the backing plate 23 through bolts, the fixing work of the bottom plates 100 of the centrifugal pumps with different sizes is facilitated, the fixing and the disassembling are convenient, and the correction work is facilitated;
step two: the first hydraulic cylinder 13 is used for controlling the first piston rod in the lifting plate 15 to move downwards, the first limiting rod 16 can limit the moving direction of the lifting plate 15, stability of the lifting plate 15 during moving is improved, the magnetic plate 17 falls into the bolt frame 18, the fastening bolts 101 in the bolt frame 18 are sucked, the rotating plate 5 is controlled to rise, the rotating plate 5 is controlled to rotate through the output shaft of the rotating motor 14, the fastening bolts 101 are placed in the through holes of the base 102, feeding is achieved, feeding is not needed, the workload of workers is reduced, the rotating plate 5 is rotated after feeding, the pressing plate 6 is moved to the upper side of the base 102, the two first piston rods are controlled to synchronously move downwards again, the base 102 is synchronously pressed downwards, and the position of the pump body 103 is corrected;
step three: the output end of the second motor 30 drives the second screw rod to rotate, as the bottom end of the second slide block 29 stretches into the second bottom box 12, the bottom end of the second slide block 29 is provided with a nut seat, the second screw rod passes through the interior of the nut seat and is in threaded connection with the nut seat, the second slide block 29 moves along the top surface of the second bottom box 12, the transverse movement of the support column 7 is realized, the output end of the first motor 27 drives the first screw rod to rotate, as the bottom end of the first slide block 25 stretches into the interior of the first bottom box 28, the bottom end of the first slide block 25 is provided with the nut seat, the first screw rod passes through the interior of the nut seat and is in threaded connection with the nut seat, the first slide block 25 longitudinally moves along the top surface of the first bottom box 28, the longitudinal position of the support column 7 is adjusted, after the motor 8 is screwed to be moved to the right above the fastening bolt 101, the fastening bolt 101 is screwed through a socket wrench screwed, the pump body 103 is balanced, and the centrifugal pump is corrected.
The rotor correcting device comprises a box body 1, a workbench 2 and a support column 7, wherein the workbench 2 is arranged at the top of the box body 1, a second bottom box 12 is fixedly arranged in the middle of the top surface of the workbench 2, a second motor 30 is fixedly arranged at one end of the second bottom box 12, a second lead screw is arranged in the second bottom box 12, one end of the second lead screw penetrates through the side wall of the second bottom box 12 to be in transmission connection with the output end of the second motor 30, a second sliding block 29 is arranged at the top of the second bottom box 12, a first bottom box 28 is fixedly arranged at the top of the second sliding block 29, a first lead screw is arranged in the first bottom box 28, a first motor 27 is fixedly arranged at one end of the first bottom box 28, one end of the first lead screw penetrates through the side wall of the first bottom box 28 to be in transmission connection with the output end of the first motor 27, a first sliding block 25 is arranged at the top of the first sliding block 25 to be fixedly connected with the support column 7, a motor 8 is fixedly connected to the top of the support column 7, and a socket wrench is arranged at the bottom of the motor 8; the workbench 2 on two sides of the second bottom box 12 is symmetrically provided with feeding devices 4, each feeding device 4 comprises a support frame 3 and a rotating plate 5, a first hydraulic cylinder 13 is fixedly arranged in the middle of the top surface of the support frame 3, the top end of a first piston rod in the first hydraulic cylinder 13 is fixedly provided with a lifting plate 15, the top of the lifting plate 15 is provided with a rotating motor 14, the output shaft of the rotating motor 14 is fixedly connected with the rotating plate 5, the bottom of one end of the rotating plate 5 is provided with a magnetic plate 17, the bottom of the other end of the rotating plate 5 is provided with a pressing plate 6, the bottom surface of the support frame 3 on two sides of the first hydraulic cylinder 13 is fixedly provided with a second hydraulic cylinder 19, the top end of the second piston rod in the second hydraulic cylinder 19 penetrates through the top surface of the support frame 3 to extend out of the support frame 3, the top end of the second piston rod is fixedly provided with a bolt frame 18, the second piston rod extending above the support frame 3 is fixedly connected with the bolt frame 18, the two ends of the bottom of the bolt frame 18 are respectively provided with a second limiting rod 20, the bottom ends of the two second limiting rods 20 respectively penetrate through the top surface of the support frame 3, a transverse plate 21 is arranged between the two second limiting rods 20 extending below the top surface of the support frame 3, when the centrifugal pump is used, after the centrifugal pump is placed on a base plate 23, the base plate 100 and the base plate 23 are fixed, the mobile plate 22 is pushed to move on a transverse sliding rail 9 through a handle 24, the position of the centrifugal pump is adjusted, a plurality of threaded holes are formed in the base plate 23, the base plate 100 is fixed on the base plate 23 through bolts, the fixing work of the base plates 100 of the centrifugal pumps with different sizes is facilitated, the fixing and the dismounting are convenient, and the correction work is facilitated; the first hydraulic cylinder 13 is used for controlling the first piston rod in the lifting plate 15 to move downwards, the first limiting rod 16 can limit the moving direction of the lifting plate 15, stability of the lifting plate 15 during moving is improved, the magnetic plate 17 falls into the bolt frame 18, the fastening bolts 101 in the bolt frame 18 are sucked, the rotating plate 5 is controlled to rise, the rotating plate 5 is controlled to rotate through the output shaft of the rotating motor 14, the fastening bolts 101 are placed in the through holes of the base 102, feeding is achieved, feeding is not needed, the workload of workers is reduced, the rotating plate 5 is rotated after feeding, the pressing plate 6 is moved to the upper side of the base 102, the two first piston rods are controlled to synchronously move downwards again, the base 102 is synchronously pressed downwards, and the position of the pump body 103 is corrected; the output end of the second motor 30 drives the second screw rod to rotate, as the bottom end of the second slide block 29 stretches into the second bottom box 12, the bottom end of the second slide block 29 is provided with a nut seat, the second screw rod passes through the interior of the nut seat and is in threaded connection with the nut seat, the second slide block 29 moves along the top surface of the second bottom box 12, the transverse movement of the support column 7 is realized, the output end of the first motor 27 drives the first screw rod to rotate, as the bottom end of the first slide block 25 stretches into the interior of the first bottom box 28, the bottom end of the first slide block 25 is provided with the nut seat, the first screw rod passes through the interior of the nut seat and is in threaded connection with the nut seat, the first slide block 25 longitudinally moves along the top surface of the first bottom box 28, the longitudinal position adjustment work of the support column 7 is realized, after the motor 8 is screwed to be moved to the right above the fastening bolt 101, the fastening bolt 101 is screwed through a socket wrench screwed, the fastening bolt 101 is balanced, and the correction of the rotor inside the centrifugal pump is completed.
The bottom of second slider 29 stretches into the inside of second base case 12, and the bottom of second slider 29 is provided with the nut seat, the second lead screw passes the inside of nut seat and passes through threaded connection with the nut seat, through the output drive second lead screw rotation of second motor 30, because the bottom of second slider 29 stretches into the inside of second base case 12, and the bottom of second slider 29 is provided with the nut seat, the second lead screw passes the inside of nut seat and passes through threaded connection with the nut seat for the second slider 29 removes along the top surface of second base case 12, realizes the lateral shifting of support column 7.
The bottom of first slider 25 stretches into the inside of first base case 28, and the bottom of first slider 25 is provided with the nut seat, first lead screw passes the inside of nut seat and passes through threaded connection with the nut seat, drive first lead screw rotation through the output of first motor 27, because the bottom of first slider 25 stretches into the inside of first base case 28, and the bottom of first slider 25 is provided with the nut seat, first lead screw passes the inside of nut seat and passes through threaded connection with the nut seat for first slider 25 passes along the top surface longitudinal movement of first base case 28, realize the longitudinal position adjustment work of support column 7.
The bottom four corners position of every lifter plate 15 is provided with first gag lever post 16 respectively, the bottom of every first gag lever post 16 all passes the top surface of support frame 3 and stretches out the below of support frame 3, through the first piston rod of its inside of first pneumatic cylinder 13 control downwardly moving, first gag lever post 16 can restrict lifter plate 15's direction of movement, stability when improving lifter plate 15 and remove, make magnetic force board 17 fall into bolt frame 18, draw the fastening bolt 101 in the bolt frame 18, the control is changeed the board 5 again and is risen, it rotates to control the rotating plate 5 through the output shaft of rotating motor 14, put into the through-hole of base 102 with fastening bolt 101, realize the material loading work, do not need the manual work to carry out the material loading, alleviate workman's work load.
The top both ends of every diaphragm 21 respectively with the bottom fixed connection of second gag lever post 20, all be provided with the dead lever on the top surface of the support frame 3 of every second gag lever post 20 one side, can play the supporting role to bolt frame 18 through the dead lever, limit the distance that bolt frame 18 moved downwards simultaneously.
The bottom four corners position of every support frame 3 is provided with the supporting leg respectively, and the middle part position of every support frame 3 bottom surface also is provided with the supporting leg, is provided with gusset plate 26 between the bottom of support column 7 and the first base case 28, improves the stability of structure, improves support frame 3 bearing capacity.
Be provided with intermediate frame 10 on workstation 2 between two loading attachment 4, be provided with sideslip slide rail 9 on the intermediate frame 10, the top of sideslip slide rail 9 is provided with movable plate 22, and movable plate 22 is provided with two backing plates 23 side by side, all is provided with a plurality of screw holes on every backing plate 23, is provided with two handles 24 on the lateral wall of movable plate 22 one side, places the centrifugal pump on backing plate 23 after, fixes bottom plate 100 and backing plate 23, can promote movable plate 22 and remove on sideslip slide rail 9 through handle 24, realizes the regulation work in centrifugal pump position, is convenient for carry out the correction work.
The working principle of the rotor correcting device is as follows: when the centrifugal pump is used, after the centrifugal pump is placed on the base plate 23, the base plate 100 and the base plate 23 are fixed, the handle 24 pushes the moving plate 22 to move on the transverse sliding rail 9, so that the position of the centrifugal pump is adjusted, the base plate 23 is provided with a plurality of threaded holes, the base plate 100 is fixed on the base plate 23 through bolts, the fixing work of the base plates 100 of the centrifugal pumps with different sizes is facilitated, the fixing and the disassembling are convenient, and the correction work is facilitated;
the first hydraulic cylinder 13 is used for controlling the first piston rod in the lifting plate 15 to move downwards, the first limiting rod 16 can limit the moving direction of the lifting plate 15, stability of the lifting plate 15 during moving is improved, the magnetic plate 17 falls into the bolt frame 18, the fastening bolts 101 in the bolt frame 18 are sucked, the rotating plate 5 is controlled to rise, the rotating plate 5 is controlled to rotate through the output shaft of the rotating motor 14, the fastening bolts 101 are placed in the through holes of the base 102, feeding is achieved, feeding is not needed, the workload of workers is reduced, the rotating plate 5 is rotated after feeding, the pressing plate 6 is moved to the upper side of the base 102, the two first piston rods are controlled to synchronously move downwards again, the base 102 is synchronously pressed downwards, and the position of the pump body 103 is corrected;
the output end of the second motor 30 drives the second screw rod to rotate, as the bottom end of the second slide block 29 stretches into the second bottom box 12, the bottom end of the second slide block 29 is provided with a nut seat, the second screw rod passes through the interior of the nut seat and is in threaded connection with the nut seat, the second slide block 29 moves along the top surface of the second bottom box 12, the transverse movement of the support column 7 is realized, the output end of the first motor 27 drives the first screw rod to rotate, as the bottom end of the first slide block 25 stretches into the interior of the first bottom box 28, the bottom end of the first slide block 25 is provided with the nut seat, the first screw rod passes through the interior of the nut seat and is in threaded connection with the nut seat, the first slide block 25 longitudinally moves along the top surface of the first bottom box 28, the longitudinal position adjustment work of the support column 7 is realized, after the motor 8 is screwed to be moved to the right above the fastening bolt 101, the fastening bolt 101 is screwed through a socket wrench screwed, the fastening bolt 101 is balanced, and the correction of the rotor inside the centrifugal pump is completed.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (8)
1. The utility model provides a centrifugal pump that can correct rotor unbalance automatically, includes bottom plate (100), fastening bolt (101), base (102) and pump body (103), its characterized in that, pump body (103) is fixed to be set up on base (102), the bottom of base (102) is provided with bottom plate (100), the four corners position of base (102) is provided with fastening bolt (101) respectively, the through-hole has been seted up respectively in the four corners position of base (102), threaded hole has been seted up respectively on bottom plate (100) in the position corresponding to four through-holes, the bottom of every fastening bolt (101) passes through the through-hole on base (102) respectively and threaded hole threaded connection on bottom plate (100);
the correction method of the centrifugal pump capable of automatically correcting rotor unbalance specifically comprises the following steps:
step one: after the centrifugal pump is placed on a base plate (23) of the rotor correction device, the base plate (100) is fixed with the base plate (23), the movable plate (22) is pushed to move on the transverse sliding rail (9) through the handle (24), the position of the centrifugal pump is adjusted, a plurality of threaded holes are formed in the base plate (23), and the base plate (100) is fixed on the base plate (23) through bolts;
step two: the first piston rod in the lifting device is controlled to move downwards through the first hydraulic cylinder (13), the first limiting rod (16) can limit the moving direction of the lifting plate (15), stability of the lifting plate (15) during moving is improved, the magnetic plate (17) falls into the bolt frame (18), the fastening bolts (101) in the bolt frame (18) are absorbed, the rotating plate (5) is controlled to be lifted, the rotating plate (5) is controlled to rotate through the output shaft of the rotating motor (14), the fastening bolts (101) are placed in the through holes of the base (102), feeding is achieved, the rotating plate (5) is rotated after feeding, the pressing plate (6) moves to the position above the base (102), the two first piston rods are controlled to move downwards synchronously, the base (102) is pressed downwards synchronously, and the position of the pump body (103) is corrected;
step three: the output end of the second motor (30) drives the second screw rod to rotate, as the bottom end of the second sliding block (29) stretches into the second bottom box (12), the bottom end of the second sliding block (29) is provided with a nut seat, the second screw rod penetrates through the inside of the nut seat and is in threaded connection with the nut seat, the second sliding block (29) moves along the top surface of the second bottom box (12), lateral movement of the supporting column (7) is achieved, the output end of the first motor (27) drives the first screw rod to rotate, the bottom end of the first sliding block (25) stretches into the inside of the first bottom box (28), the bottom end of the first sliding block (25) is provided with the nut seat, the first screw rod penetrates through the inside of the nut seat and is in threaded connection with the nut seat, the first sliding block (25) longitudinally moves along the top surface of the first bottom box (28), longitudinal position adjusting work of the supporting column (7) is achieved, the screwed motor (8) moves to the socket wrench at the bottom of the fastening bolt (101), and the fastening bolt (101) is screwed, so that the pump body (101) is corrected.
2. The centrifugal pump capable of automatically correcting rotor unbalance according to claim 1, wherein the rotor correction device comprises a box body (1), a workbench (2) and a support column (7), the top of the box body (1) is provided with the workbench (2), a second bottom box (12) is fixedly arranged in the middle of the top surface of the workbench (2), a second motor (30) is fixedly arranged at one end of the second bottom box (12), a second screw rod is arranged in the second bottom box (12), one end of the second screw rod penetrates through the side wall of the second bottom box (12) to be in transmission connection with the output end of the second motor (30), a second slide block (29) is arranged at the top of the second bottom box (12), a first bottom box (28) is fixedly arranged at the top of the second slide block (29), a first screw rod is fixedly arranged in the interior of the first bottom box (28), one end of the first bottom box (28) is fixedly provided with the first motor (27), one end of the first screw rod penetrates through the side wall of the first bottom box (28) to be in transmission connection with the output end of the first motor (27), and a sleeve (8) is fixedly arranged at the top of the support column (8) and screwed with the first slide block (25) is fixedly connected with the top of the first slide block (8);
the workbench (2) on two sides of the second bottom box (12) is symmetrically provided with feeding devices (4), each feeding device (4) comprises a supporting frame (3) and a rotating plate (5), a first hydraulic cylinder (13) is fixedly arranged in the middle of the top surface of the supporting frame (3), a lifting plate (15) is fixedly arranged at the top end of the first piston rod in the first hydraulic cylinder (13), a rotating motor (14) is arranged at the top of the lifting plate (15), an output shaft of the rotating motor (14) is fixedly connected with the rotating plate (5), a magnetic plate (17) is arranged at one end bottom of the rotating plate (5), a pressing plate (6) is arranged at the other end bottom of the rotating plate (5), a second hydraulic cylinder (19) is fixedly arranged on the bottom surface of the supporting frame (3) on two sides of the first hydraulic cylinder (13), the top end of the second piston rod in the second hydraulic cylinder (19) penetrates through the top surface of the supporting frame (3) to extend out of the supporting frame (3), a bolt frame (18) is fixedly arranged at the top end of the second piston rod, a second frame (18) extending out of the top of the supporting frame (3) is fixedly connected with the top end of the second piston rod (18), two limiting rods (20) are respectively arranged at two ends of the second piston rod (20) respectively, a transverse plate (21) is arranged between the two second limiting rods (20) extending to the lower part of the top surface of the supporting frame (3).
3. A centrifugal pump capable of automatically correcting unbalance of a rotor according to claim 2, wherein the bottom end of the second slider (29) extends into the second bottom case (12), and the bottom end of the second slider (29) is provided with a nut seat, and the second screw rod passes through the interior of the nut seat and is connected with the nut seat by screw threads.
4. Centrifugal pump capable of automatically correcting rotor unbalance according to claim 2, characterized in that the bottom end of the first slider (25) extends into the interior of the first bottom box (28), and the bottom end of the first slider (25) is provided with a nut seat, and the first screw rod passes through the interior of the nut seat and is in threaded connection with the nut seat.
5. A centrifugal pump capable of automatically correcting unbalance of a rotor according to claim 2, wherein first limit rods (16) are respectively arranged at four corners of the bottom of each lifting plate (15), and the bottom end of each first limit rod (16) passes through the top surface of the supporting frame (3) and extends out to the lower side of the supporting frame (3).
6. The centrifugal pump capable of automatically correcting rotor unbalance according to claim 2, wherein the top two ends of each transverse plate (21) are fixedly connected with the bottom ends of the second limiting rods (20) respectively, and the top surface of the supporting frame (3) on one side of each second limiting rod (20) is provided with a fixing rod.
7. Centrifugal pump capable of automatically correcting rotor unbalance according to claim 2, characterized in that the bottom four corners of each support frame (3) are respectively provided with support legs, the middle position of the bottom surface of each support frame (3) is also provided with support legs, and a reinforcing plate (26) is arranged between the bottom of the support column (7) and the first bottom box (28).
8. Centrifugal pump capable of automatically correcting rotor unbalance according to claim 2, characterized in that a middle frame (10) is arranged on the workbench (2) between two feeding devices (4), a traversing slide rail (9) is arranged on the middle frame (10), a moving plate (22) is arranged at the top of the traversing slide rail (9), two backing plates (23) are arranged side by side on the moving plate (22), a plurality of threaded holes are arranged on each backing plate (23), and two handles (24) are arranged on the side wall of one side of the moving plate (22).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011026018.0A CN112217362B (en) | 2020-09-25 | 2020-09-25 | Centrifugal pump capable of automatically correcting unbalance of rotor and correction method thereof |
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| CN202011026018.0A CN112217362B (en) | 2020-09-25 | 2020-09-25 | Centrifugal pump capable of automatically correcting unbalance of rotor and correction method thereof |
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| CN112217362B true CN112217362B (en) | 2023-04-21 |
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Effective date of registration: 20230323 Address after: 150000 Xinxing team 2, Wuxing village, Minzhu Township, Daowai District, Harbin City, Heilongjiang Province Applicant after: HARBIN NORTHEAST PUMP CO.,LTD. Address before: 430000 1203, Guanggu creative building, 20 Guanshan Avenue, Hongshan District, Wuhan City, Hubei Province Applicant before: Li Hong |
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