CN113606152B - Vertical intelligent permanent-magnet multistage centrifugal pump - Google Patents
Vertical intelligent permanent-magnet multistage centrifugal pump Download PDFInfo
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- CN113606152B CN113606152B CN202110896859.5A CN202110896859A CN113606152B CN 113606152 B CN113606152 B CN 113606152B CN 202110896859 A CN202110896859 A CN 202110896859A CN 113606152 B CN113606152 B CN 113606152B
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- 230000007246 mechanism Effects 0.000 claims abstract description 64
- 230000007306 turnover Effects 0.000 claims abstract description 27
- 239000003381 stabilizer Substances 0.000 claims description 8
- 206010066054 Dysmorphism Diseases 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 239000012530 fluid Substances 0.000 abstract description 3
- 239000012535 impurity Substances 0.000 description 5
- 230000003028 elevating effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/628—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for liquid pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to the technical field of fluid conveying auxiliary devices, in particular to a vertical intelligent permanent magnet multistage centrifugal pump which is simple in structure, can quickly separate a motor from a pump body without a lifting tool when the motor is broken down and needs to be disassembled, and can regulate the motor to be in a horizontal state so as to be convenient to maintain; the pump comprises a pump body and a motor, wherein an upper flange is arranged on the pump body, a lower flange is arranged on the motor, and the upper flange and the lower flange are connected through a plurality of bolts and nuts; further comprising: the device comprises a platform fixed on a pump body, wherein a shear type lifting platform is arranged on the platform, two groups of turnover mechanisms and two groups of shielding mechanisms are symmetrically arranged on the front side and the rear side of the platform, and a fixing frame connected with a motor shell is arranged between the two groups of turnover mechanisms; the turnover mechanism is used for driving a motor to turn over, and comprises a vertical plate connected with the platform, wherein a first through hole and a second through hole are formed in the vertical plate, the first through hole is vertical, and the second through hole comprises a first vertical section and a first arc-shaped section.
Description
Technical Field
The invention relates to the technical field of fluid conveying auxiliary devices, in particular to a vertical intelligent permanent magnet multistage centrifugal pump.
Background
The vertical intelligent multistage centrifugal pump is a constant pressure water supply device, more than two centrifugal pumps with the same function are integrated together, and the fluid channel structure shows that a medium pressure relief opening of a first stage is communicated with an inlet of a second stage, a medium pressure relief opening of the second stage is communicated with an inlet of a third stage, and the mechanism connected in series forms the multistage centrifugal pump.
In the prior art, the vertical intelligent multistage centrifugal pump has the following defects: because it adopts the mode of vertical installation, the motor is in higher height, when the motor trouble needs to be dismantled, need use hoisting tool to hoist the motor, and hoisting tool generally does not install alone in centrifugal pump department, and hoisting tool is from allotting to can using completely, exists longer time, has influenced the maintenance progress, has influenced the production progress, consequently, needs to improve.
Disclosure of Invention
In order to solve the technical problems, the invention provides the vertical intelligent permanent magnet multistage centrifugal pump which is simple in structure, does not need a lifting tool when the motor is broken down and needs to be disassembled, can quickly separate the motor from the pump body, and can adjust the motor to be in a horizontal state so as to be convenient to maintain.
The invention discloses a vertical intelligent permanent magnet multistage centrifugal pump, which comprises a pump body and a motor, wherein an upper flange is arranged on the pump body, a lower flange is arranged on the motor, and the upper flange and the lower flange are connected through a plurality of bolts and nuts; further comprising: the device comprises a platform fixed on a pump body, a shear type lifting platform arranged on the platform, two groups of turnover mechanisms and two groups of shielding mechanisms symmetrically arranged on the front side and the rear side of the platform, and a fixed frame connected with a motor shell arranged between the two groups of turnover mechanisms;
the turnover mechanism is used for driving a motor to turn over, and comprises a vertical plate connected with a platform, wherein a first through hole and a second through hole are formed in the vertical plate, the first through hole is vertical, the second through hole comprises a vertical section I which is vertical and a circular arc section I which is circular arc, the circle center of the circular arc section I is concentric with that of the top end of the first through hole, the turnover mechanism further comprises a driving rod which is obtuse, one end of the driving rod is fixedly connected with a first rotating shaft which penetrates through the first through hole, the other end of the driving rod is connected with a fixed frame, the corner of the driving rod is fixedly connected with a second rotating shaft which penetrates through the second through hole, the turnover mechanism further comprises an oil cylinder connected with the platform, the output end of the oil cylinder is fixedly connected with a cross rod, one end, away from the oil cylinder, of the cross rod is rotatably provided with an inclined rod, and the other end of the inclined rod is rotatably connected with the second rotating shaft;
the shielding mechanism is used for shielding the lower flange after the upper flange and the lower flange are separated.
Furthermore, the shielding mechanism comprises a rack fixed at the bottom of the cross rod, a third rotating shaft is rotatably mounted on the vertical plate, a first bevel gear and a gear meshed with the rack are mounted on the third rotating shaft, a fixed plate is connected to the vertical plate, a fourth rotating shaft is rotatably mounted on the fixed plate, a second bevel gear meshed with the first bevel gear is mounted at one end of the fourth rotating shaft, a driving arm is fixedly connected to the other end of the fourth rotating shaft, and one end, far away from the fourth rotating shaft, of the driving arm is fixedly connected with a fifth rotating shaft;
shelter from the mechanism and still include the back shaft of being connected with the riser rotation, fixed connection is used for sheltering from the end plate of lower flange on the back shaft, fixed connection catch bar on the back shaft, be connected with the limiting plate on the riser, set up rectangular hole one on the limiting plate, rectangular hole one slidable mounting has the slider, fixed connection dysmorphism board on the slider, set up through-hole three on the dysmorphism board, through-hole three includes with the concentric convex section two in the four centre of a circle of pivot and be vertical form vertical section two, the dysmorphism board is close to two one side fixed connection driving blocks in convex section, rotate on the driving block and install the spheroid, the catch bar passes the spheroid.
Furthermore, the scissor type lifting platform comprises two sets of scissor mechanisms, a lifting plate and a mounting plate connected with the platform, a lead screw is rotatably mounted on the mounting plate, a sliding sleeve is connected onto the lead screw in a threaded manner, one end of a first movable end of the scissor mechanism is in sliding fit with a second strip hole of the mounting plate, the other end of the first movable end of the scissor mechanism is connected with a threaded sleeve, a second movable end of the scissor mechanism is in sliding fit with a third strip hole of the lifting plate, a first fixed end of the scissor mechanism is rotatably connected with the mounting plate, a second fixed end of the scissor mechanism is rotatably connected with the lifting plate, and a hand wheel is arranged at the end part of the lead screw.
Further, tilting mechanism still includes the stabilizer bar with horizontal pole fixed connection, rotates on the stabilizer bar and installs the gyro wheel, gyro wheel and platform contact.
Furthermore, an observation hole is formed in the end plate, a turning plate is rotatably installed at the observation hole through a hinge, and one end, far away from the hinge, of the turning plate is fixed on the end plate through a screw.
Furthermore, the turnover mechanism further comprises a first bearing fixed on the first rotating shaft and a second bearing fixed on the second rotating shaft, wherein the first bearing is in contact with the inner wall of the first through hole, and the second bearing is in contact with the inner wall of the second through hole.
Furthermore, a reinforcing rod is fixedly connected to the inclined rod.
Furtherly, rotate on the lifter plate and install a plurality of roller bearings, the side all is provided with two connecting plates around the lifter plate top, and the threaded rod is installed to the screw thread on the connecting plate, and threaded rod one end sets up the handle, and the pinch-off blades is installed to the other end.
Compared with the prior art, the invention has the beneficial effects that: when the motor breaks down, the bolt and the nut are firstly removed, then the oil cylinder is operated to shorten the piston rod of the oil cylinder, so that the cross rod moves towards the oil cylinder, as the rotating shaft II is positioned on the vertical section I of the through hole II and the rotating shaft I is positioned in the vertical through hole I, the driving rod, the fixing frame and the motor simultaneously move vertically upwards under the pushing of the inclined rod, the motor is firstly separated from the pump body, then the shielding mechanism acts to shield the lower flange, so that impurities are prevented from falling into the pump body, then the rotating shaft II moves to the arc-shaped section I, the rotating shaft I cannot move upwards continuously when moving to the top end of the through hole I, and as the circle center of the arc-shaped section I is concentric with the circle center of the top end of the through hole I, thereby to the horizontal pole that the hydro-cylinder removed and under the promotion of tilting lever, make pivot two rotate along arc section one, thereby make the actuating lever, mount and motor all carry out anticlockwise rotation with the centre of a circle on through-hole top, when pivot two remove to the top position on arc section one, the motor is rotatory 90, adjust the motor of vertical form originally to the horizontality on, then operate the formula elevating platform of cutting again and make the formula elevating platform of cutting support the motor, then pull down the motor from the mount again, then on pushing motor to external dolly (not shown), for prior art's use hoisting tool, this device is installed on the pump body, can realize the motor through control hydro-cylinder and dismantle, and can shelter from the pump body top automatically, prevent that impurity from dropping to in the pump body.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is a top right front side perspective view of FIG. 1;
FIG. 4 is a partial enlarged view of portion A of FIG. 3;
FIG. 5 is a top perspective view of the left front side of the scissor lift table;
FIG. 6 is a top right front perspective view of the canting mechanism and the blocking mechanism after the drive rod has been partially hidden;
FIG. 7 is a partial enlarged view of portion A of FIG. 6;
in the drawings, the reference numbers: 1. a pump body; 2. a motor; 3. a platform; 4. a fixed mount; 5. a vertical plate; 6. a first through hole; 7. a first vertical section; 8. a first arc-shaped section; 9. a drive rod; 10. a first rotating shaft; 11. a second rotating shaft; 12. an oil cylinder; 13. a cross bar; 14. an inclined lever; 15. a rack; 16. a rotating shaft III; 17. a first bevel gear; 18. a gear wheel; 19. a fixing plate; 20. a rotating shaft IV; 21. a second bevel gear; 22. a drive arm; 23. a fifth rotating shaft; 24. a support shaft; 25. an end plate; 26. a push rod; 27. a limiting plate; 28. a slider; 29. a circular arc section II; 30. a second vertical section; 31. a drive block; 32. a sphere; 33. mounting a plate; 34. a screw rod; 35. a sliding sleeve; 36. a first movable end; 37. a scissor mechanism; 38. a lifting plate; 39. a second movable end; 40. a first fixed end; 41. a second fixed end; 42. a roller; 43. turning over a plate; 44. a reinforcing bar; 45. a roller; 46. a connecting plate; 47. a threaded rod; 48. and (5) clamping the plate.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 7, the vertical intelligent permanent magnet multistage centrifugal pump of the present invention comprises a pump body 1 and a motor 2, wherein the pump body 1 is provided with an upper flange, the motor 2 is provided with a lower flange, and the upper flange and the lower flange are connected through a plurality of bolts and nuts; further comprising: a platform 3 fixed on the pump body 1, wherein a scissor type lifting platform is arranged on the platform 3, two groups of turnover mechanisms and two groups of shielding mechanisms are symmetrically arranged on the front side and the rear side of the platform 3, and a fixed frame 4 connected with a shell of the motor 2 is arranged between the two groups of turnover mechanisms;
the turnover mechanism is used for driving the motor 2 to turn over, and comprises a vertical plate 5 connected with the platform 3, wherein a first through hole 6 and a second through hole are formed in the vertical plate 5, the first through hole 6 is vertical, the second through hole comprises a vertical section I7 which is vertical and a circular arc section I8 which is circular arc, the circle center of the circular arc section I8 is concentric with the circle center of the top end of the first through hole 6, the turnover mechanism further comprises a driving rod 9 which is obtuse, one end of the driving rod 9 is fixedly connected with a first rotating shaft 10 which penetrates through the first through hole 6, the other end of the driving rod 9 is connected with the fixing frame 4, the corner of the driving rod 9 is fixedly connected with a second rotating shaft 11 which penetrates through the second through hole, the turnover mechanism further comprises an oil cylinder 12 connected with the platform 3, the output end of the oil cylinder 12 is fixedly connected with a cross rod 13, one end, far away from the oil cylinder 12, of the cross rod 13 is rotatably provided with a tilt rod 14, and the other end of the tilt rod 14 is rotatably connected with the second rotating shaft 11;
the shielding mechanism is used for shielding the lower flange after the upper flange and the lower flange are separated;
in this embodiment, the motor 2 is connected with the pump body 1 through an upper flange, a lower flange, a bolt and a nut, the motor 2 drives the pump body 1 to operate after being electrified to convey liquid such as water, when the motor 2 breaks down, the bolt and the nut are firstly removed, then the oil cylinder 12 is operated to shorten the piston rod of the oil cylinder 12, so that the cross rod 13 moves towards the oil cylinder 12, as the rotating shaft two 11 is positioned on the vertical section one 7 of the through hole two and the rotating shaft one 10 is positioned in the vertical through hole one 6, under the push of the inclined rod 14, the driving rod 9, the fixing frame 4 and the motor 2 move vertically upwards at the same time, the motor 2 is firstly separated from the pump body 1, then the shielding mechanism acts to shield the lower flange to prevent impurities from falling into the pump body 1, then the rotating shaft two 11 moves to the arc-shaped section one 8, the rotating shaft one 10 moves to the top end of the through hole one 6 and cannot move upwards continuously, because the circle center of the circular arc section I8 is concentric with the circle center of the top end of the through hole I6, the cross rod 13 moving to the oil cylinder 12 and the inclined rod 14 push the rotating shaft II 11 to rotate along the circular arc section I8, so that the driving rod 9, the fixed frame 4 and the motor 2 all rotate anticlockwise around the circle center of the top end of the through hole I6, when the rotating shaft II 11 moves to the top end position of the circular arc section I8, the motor 2 rotates 90 degrees, the original vertical motor 2 is adjusted to be in a horizontal state, then the scissor type lifting platform is operated to enable the scissor type lifting platform to support the motor 2, then the motor 2 is detached from the fixed frame 4, then the motor 2 is pushed to a trolley (not shown) outside, compared with the lifting tool in the prior art, the device is installed on the pump body 1, and the motor 2 can be detached by controlling the oil cylinder 12, and can shelter from the pump body 1 top automatically, prevent that impurity from dropping to in the pump body 1.
As a preferable scheme of the above embodiment, as shown in fig. 2, 4, 6, and 7, the shielding mechanism includes a rack 15 fixed at the bottom of the cross bar 13, a third rotating shaft 16 is rotatably installed on the vertical plate 5, a first bevel gear 17 and a gear 18 engaged with the rack 15 are installed on the third rotating shaft 16, a fixed plate 19 is connected to the vertical plate 5, a fourth rotating shaft 20 is rotatably installed on the fixed plate 19, a second bevel gear 21 engaged with the first bevel gear 17 is installed at one end of the fourth rotating shaft 20, a driving arm 22 is fixedly connected to the other end of the fourth rotating shaft 20, and one end of the driving arm 22 away from the fourth rotating shaft 20 is fixedly connected to a fifth rotating shaft 23;
the shielding mechanism further comprises a supporting shaft 24 which is rotatably connected with the vertical plate 5, an end plate 25 which is used for shielding a lower flange is fixedly connected to the supporting shaft 24, a pushing rod 26 is fixedly connected to the supporting shaft 24, a limiting plate 27 is connected to the vertical plate 5, a long hole I is formed in the limiting plate 27, a sliding block 28 is slidably mounted at the long hole I, a special-shaped plate is fixedly connected to the sliding block 28, a through hole III is formed in the special-shaped plate, the through hole III comprises a circular arc section II 29 which is concentric with the center of the rotating shaft IV 20 and a vertical section II 30 which is vertical, a driving block 31 is fixedly connected to one side of the special-shaped plate, which is close to the circular arc section II 29, a ball 32 is rotatably mounted on the driving block 31, and the pushing rod 26 penetrates through the ball 32;
in this embodiment, when the cross bar 13 moves towards the oil cylinder 12, the rack 15 is driven to rotate towards the oil cylinder 12 at the same time, so that the gear 18, the bevel gear one 17 and the rotating shaft three 16 all rotate clockwise, and thus the bevel gear two 21, the driving arm 22 and the rotating shaft five 23 all rotate counterclockwise around the rotating shaft four 20, because the rotating shaft five 23 first passes through the circular arc section two 29 concentric with the center of the rotating shaft four 20, the rotating shaft five 23 rotating around the rotating shaft four 20 does not affect the position of the special-shaped plate, in this process, the motor 2 rises to a proper height, the end plate 25 is not affected to rotate to cover the lower flange, and then the rotating shaft five 23 moves to the vertical section two 30, and the rotating shaft five 23 rotating counterclockwise causes the special-shaped plate, the driving block 31, the sphere 32 and the slider 28 to move along the long hole on the limit plate 27 to the side far away from the motor 2, and because the pushing rod 26 fixedly connected with the supporting shaft 24 passes through the sphere 32, therefore, the movable driving block 31 enables the supporting shaft 24 and the end plate 25 to rotate towards one side of the lower flange, and the end part of the lower flange is shielded, so that impurities are prevented from falling into the pump body 1, the operation can be realized without extra operation of a user, and the operation is more convenient;
the number of teeth of the second bevel gear 21 is greater than that of the first bevel gear 17, so that the rotating angle of the fifth rotating shaft 23 is smaller under the same displacement of the rack 15, and the position of the special-shaped plate is easier to define.
As a preferable scheme of the above embodiment, as shown in fig. 1, 3, and 5, the scissor lift platform includes two sets of scissor mechanisms 37, a lift plate 38, and a mounting plate 33 connected to the platform 3, a screw rod 34 is rotatably mounted on the mounting plate 33, a sliding sleeve 35 is screwed on the screw rod 34, one end of a movable end one 36 of the scissor mechanisms 37 is in sliding fit with a long hole two of the mounting plate 33, the other end of the movable end is connected to the screw sleeve, a movable end two 39 of the scissor mechanisms 37 is in sliding fit with a long hole three of the lift plate 38, a fixed end one 40 of the scissor mechanisms 37 is rotatably connected to the mounting plate 33, a fixed end two 41 of the scissor mechanisms 37 is rotatably connected to the lift plate 38, and a hand wheel is disposed on an end of the screw rod 34;
in the embodiment, the horizontal motor 2 is supported by the arranged scissor-type lifting platform, so that the motor 2 is more conveniently detached from the fixed frame 4, and the motor 2 can be adjusted to a proper height, so that the motor 2 can be conveniently maintained or moved to an external trolley (not shown);
the lead screw 34 is rotated by rotating the hand wheel, so that the screw sleeve and the first movable end 36 of the scissors mechanism 37 move transversely, the second movable end 39 of the scissors mechanism 37 is in sliding fit with the third long hole of the lifting plate 38, the first fixed end 40 of the scissors mechanism 37 is rotatably connected with the mounting plate 33, the second fixed end 41 of the scissors mechanism 37 is rotatably connected with the lifting plate 38, and the lifting plate 38 can be changed in height by rotating the hand wheel.
As a preferable scheme of the above embodiment, as shown in fig. 1, 3 and 4, the turnover mechanism further includes a stabilizer bar fixedly connected to the cross bar 13, a roller 42 is rotatably mounted on the stabilizer bar, and the roller 42 contacts with the platform 3;
in this embodiment, because when the motor 2 rises, the cross bar 13 and the inclined section are connected in a rotating manner, and one end of the cross bar is subjected to a downward force, through the arranged stabilizer bar, the cross bar 13 moves to drive the stabilizer bar and the roller 42 to move, so as to better support the cross bar 13 and prevent the cross bar 13 and the oil cylinder 12 from being broken or damaged.
As a preferable scheme of the above embodiment, as shown in fig. 2 and 4, an observation hole is formed in the end plate 25, a turning plate 43 is rotatably installed at the observation hole through a hinge, and one end of the turning plate 43, which is far away from the hinge, is fixed on the end plate 25 through a screw;
in this embodiment, when the end plate 25 is closed, the screws are removed, the turning plate 43 is turned over, the top of the pump body 1 can be checked, and the practicability is high.
As a preferable scheme of the above embodiment, as shown in fig. 6, the turnover mechanism further includes a first bearing fixed on the first rotating shaft 10 and a second bearing fixed on the second rotating shaft 11, the first bearing contacts with the inner wall of the first through hole 6, and the second bearing contacts with the inner wall of the second through hole;
in the embodiment, the first bearing and the second bearing are arranged, so that the first rotating shaft 10 and the second rotating shaft 11 are prevented from being in direct contact with the vertical plate 5, and the abrasion to the first rotating shaft 10 and the second rotating shaft 11 is reduced.
As a preferable solution of the above embodiment, as shown in fig. 4, the inclined rod 14 is fixedly connected with a reinforcing rod 44;
in the present embodiment, the reinforcing rod 44 connects both sides of the driving lever 9, so that the driving lever 9 is more stable as a whole.
As a preferable scheme of the above embodiment, as shown in fig. 5, a plurality of rollers 45 are rotatably mounted on the lifting plate 38, two connecting plates 46 are respectively disposed on the front and rear sides of the top of the lifting plate 38, a threaded rod 47 is mounted on each connecting plate 46 in a threaded manner, one end of each threaded rod 47 is provided with a handle, and the other end of each threaded rod is provided with a clamping plate 48;
in this embodiment, when the motor 2 rotates to the horizontal, the screw rod 34 is rotated to support the motor 2 by the lifting plate 38, and then the handle is rotated to contact the clamping plate 48 with the motor 2, so as to limit the motor 2, and when the motor 2 needs to be moved to an external trolley, the motor 2 is pushed to the trolley under the cooperation of the roller 45.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The vertical intelligent permanent magnet multistage centrifugal pump comprises a pump body (1) and a motor (2), wherein an upper flange is arranged on the pump body (1), a lower flange is arranged on the motor (2), and the upper flange and the lower flange are connected through a plurality of bolts and nuts; it is characterized by also comprising: a platform (3) fixed on the pump body (1), wherein a shear type lifting platform is arranged on the platform (3), two groups of turnover mechanisms and two groups of shielding mechanisms are symmetrically arranged on the front side and the rear side of the platform (3), and a fixed frame (4) connected with a shell of the motor (2) is arranged between the two groups of turnover mechanisms;
the turnover mechanism is used for driving a motor (2) to turn over, and comprises a vertical plate (5) connected with a platform (3), wherein the vertical plate (5) is provided with a first through hole (6) and a second through hole (6), the first through hole (6) is vertical, the second through hole comprises a vertical first section (7) which is vertical and a first arc-shaped section (8) which is arc-shaped, the circle center of the first arc-shaped section (8) is concentric with the circle center of the top end of the first through hole (6), the turnover mechanism also comprises a driving rod (9) which is obtuse, one end of the driving rod (9) is fixedly connected with a first rotating shaft (10) which penetrates through the first through hole (6), the other end of the driving rod (9) is connected with a fixed frame (4), the corner of the driving rod (9) is fixedly connected with a second rotating shaft (11) which penetrates through the second through hole, the turnover mechanism also comprises an oil cylinder (12) connected with the platform (3), and the output end of the oil cylinder (12) is fixedly connected with a cross rod (13), one end of the cross rod (13) far away from the oil cylinder (12) is rotatably provided with an inclined rod (14), and the other end of the inclined rod (14) is rotatably connected with the second rotating shaft (11);
the shielding mechanism is used for shielding the lower flange after the upper flange and the lower flange are separated;
the shielding mechanism comprises a rack (15) fixed at the bottom of the cross rod (13), a rotating shaft III (16) is rotatably mounted on the vertical plate (5), a bevel gear I (17) and a gear (18) meshed with the rack (15) are mounted on the rotating shaft III (16), a fixing plate (19) is connected to the vertical plate (5), a rotating shaft IV (20) is rotatably mounted on the fixing plate (19), a bevel gear II (21) meshed with the bevel gear I (17) is mounted at one end of the rotating shaft IV (20), a driving arm (22) is fixedly connected to the other end of the rotating shaft IV (20), and one end, far away from the rotating shaft IV (20), of the driving arm (22) is fixedly connected with a rotating shaft V (23);
shelter from mechanism still includes and rotates back shaft (24) of being connected with riser (5), fixed connection is used for sheltering from end plate (25) of flange down on back shaft (24), fixed connection catch bar (26) are gone up in back shaft (24), be connected with limiting plate (27) on riser (5), set up rectangular hole one on limiting plate (27), sliding mounting has slider (28) in rectangular hole one, fixed connection dysmorphism board is gone up in slider (28), set up through-hole three on the dysmorphism board, through-hole three includes two (29) of concentric arc section of circle with pivot four (20) centre of a circle and is vertical section two (30) of vertical form, the dysmorphism board is close to arc section two (29) one side fixed connection drive block (31), it installs spheroid (32) to rotate on drive block (31), catch bar (26) pass spheroid (32).
2. The vertical intelligent permanent-magnet multistage centrifugal pump of claim 1,
the shear type lifting platform comprises two groups of shear fork mechanisms (37), a lifting plate (38) and a mounting plate (33) connected with a platform (3), a lead screw (34) is rotatably mounted on the mounting plate (33), a sliding sleeve (35) is in threaded connection with the lead screw (34), one end of a movable end I (36) of each shear fork mechanism (37) is in sliding fit with a long hole II of the mounting plate (33), the other end of each shear fork mechanism is connected with a threaded sleeve, a movable end II (39) of each shear fork mechanism (37) is in sliding fit with a long hole III of the lifting plate (38), a fixed end I (40) of each shear fork mechanism (37) is rotatably connected with the mounting plate (33), a fixed end II (41) of each shear fork mechanism (37) is rotatably connected with the lifting plate (38), and a hand wheel is arranged at the end part of the lead screw (34).
3. The vertical intelligent permanent-magnet multistage centrifugal pump according to claim 2, wherein the turnover mechanism further comprises a stabilizer bar fixedly connected with the cross bar (13), a roller (42) is rotatably mounted on the stabilizer bar, and the roller (42) is in contact with the platform (3).
4. The vertical intelligent permanent magnet multistage centrifugal pump according to claim 1, wherein the end plate (25) is provided with an observation hole, a turning plate (43) is rotatably installed at the observation hole through a hinge, and one end of the turning plate (43) far away from the hinge is fixed on the end plate (25) through a screw.
5. The vertical intelligent permanent magnet multistage centrifugal pump according to claim 2, wherein the turnover mechanism further comprises a first bearing fixed on the first rotating shaft (10) and a second bearing fixed on the second rotating shaft (11), the first bearing is in contact with the inner wall of the first through hole (6), and the second bearing is in contact with the inner wall of the second through hole.
6. The vertical intelligent permanent-magnet multistage centrifugal pump as claimed in claim 1, wherein the inclined rod (14) is fixedly connected with a reinforcing rod (44).
7. The vertical intelligent permanent-magnet multistage centrifugal pump as claimed in claim 1, wherein a plurality of rollers (45) are rotatably mounted on the lifting plate (38), two connecting plates (46) are respectively arranged on the front side and the rear side of the top of the lifting plate (38), a threaded rod (47) is threadedly mounted on each connecting plate (46), one end of each threaded rod (47) is provided with a handle, and the other end of each threaded rod is provided with a clamping plate (48).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Denomination of invention: Vertical intelligent permanent magnet multi-stage centrifugal pump Effective date of registration: 20230724 Granted publication date: 20220513 Pledgee: Nanxun rural commercial bank Limited by Share Ltd. Zhejiang Pledgor: Zhejiang Dengfeng Pump Co.,Ltd. Registration number: Y2023980049428 |
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Granted publication date: 20220513 Pledgee: Nanxun rural commercial bank Limited by Share Ltd. Zhejiang Pledgor: Zhejiang Dengfeng Pump Co.,Ltd. Registration number: Y2023980049428 |
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Denomination of invention: Vertical intelligent permanent magnet multi-stage centrifugal pump Granted publication date: 20220513 Pledgee: Nanxun rural commercial bank Limited by Share Ltd. Zhejiang Pledgor: Zhejiang Dengfeng Pump Co.,Ltd. Registration number: Y2024980004245 |