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CN-121984267-A - Deep-well pump motor convenient to disassemble and maintain

CN121984267ACN 121984267 ACN121984267 ACN 121984267ACN-121984267-A

Abstract

The invention discloses a deep-well pump motor convenient to disassemble and maintain, in particular to the field of deep-well pumps, which comprises a machine barrel, a stator and a rotor, wherein the stator and the rotor are arranged in the machine barrel, the top end of the machine barrel is provided with an upper bearing seat, the middle part in the machine barrel is fixedly provided with a supporting plate, the lifting unlocking assembly is arranged on the supporting plate, the lower bearing seat is arranged on the lifting unlocking assembly, the rotating shaft of the rotor is respectively connected with the lower bearing seat and the upper bearing seat in a rotating manner through a first bearing, and a mechanical seal is arranged between the rotating shaft and the upper bearing seat. According to the deep well pump motor convenient to disassemble and maintain, through the linkage design of the built-in lifting unlocking component and the fixing component, an operator can integrate the core components such as the stator, the rotor and the bearing seat into an integral module only by rotating one rotating rod at a wellhead, the integral module is stably lifted and taken out from the top of the machine barrel, large-scale lifting operation is avoided, the maintenance efficiency is improved, and the shutdown period of the system is greatly shortened.

Inventors

  • YANG YUNFEI
  • MA HONGFENG
  • YANG ZHENGFEI

Assignees

  • 安徽正飞机电设备有限公司

Dates

Publication Date
20260505
Application Date
20251229

Claims (8)

  1. 1. The deep well pump motor convenient to disassemble and maintain is characterized by comprising a machine barrel (1), a stator (10) and a rotor (12), wherein the stator (10) and the rotor (12) are arranged in the machine barrel (1), an upper bearing seat (9) is arranged at the top end of the machine barrel (1), a supporting plate (14) is fixedly arranged in the middle of the machine barrel (1), an oil bag (4) is arranged at the bottom of the machine barrel (1), a lower bearing seat (5) is arranged on the lifting unlocking assembly (7), a rotating shaft (6) of the rotor (12) is respectively connected with the lower bearing seat (5) and the upper bearing seat (9) in a rotating mode through a first bearing (11), a mechanical seal (15) is arranged between the rotating shaft (6) and the upper bearing seat (9), the upper bearing seat (9) is fixed with the top of the machine barrel (1) through a fixing assembly (8), an oil bag (4) is arranged at the bottom of the machine barrel (1), an area between the upper bearing seat (9) and the oil bag (4) is filled with oil, and an insulating ring (17) is arranged in the machine barrel (1).
  2. 2. The deep-well pump motor convenient to detach and maintain according to claim 1, wherein the lower bearing seat (5) comprises a supporting cylinder (51) and a supporting seat (52) fixedly installed in the middle of the supporting cylinder (51), the rotating shaft (6) is arranged in the supporting seat (52) in a penetrating mode, a first bearing (11) is arranged between the rotating shaft (6) and the supporting seat (52), a plurality of first flow holes (53) are formed in the circumferential side of the bottom of the supporting seat (52), and the bottom of the stator (10) is installed in the supporting cylinder (51) and sleeved outside the supporting seat (52).
  3. 3. The deep-well pump motor convenient to disassemble and maintain as set forth in claim 1, wherein the supporting plate (14) is provided with a plurality of second flow holes (141).
  4. 4. The deep-well pump motor convenient to detach and maintain is characterized in that a boss is arranged on the upper portion of the inner wall of the machine barrel (1), an opening is formed in the middle of the boss, an O-shaped ring (13) is arranged between the opening and the upper bearing seat (9), a plurality of threaded holes (102) are formed in the top of the boss, and an installation cavity (101) is formed in the bottom of the threaded holes (102) in a communicating mode.
  5. 5. The convenient disassembly and maintenance deep well pump motor according to claim 4, wherein the lifting unlocking assembly (7) comprises a worm (71), a turbine (72), a main gear (73), a fixed block (77) and a lifting ring (711), the main gear (73) is rotatably arranged in the middle of the lower end of the supporting plate (14) through a rotating shaft rod, the bottom of the rotating shaft rod penetrates through the middle of the main gear (73) and is fixedly provided with the turbine (72), one side of the turbine (72) is meshed with the worm (71), two ends of the worm (71) are fixedly provided with rotating rods (712), the rotating rods (712) on two sides are rotatably connected with the inner wall of the machine barrel (1), the fixed block (77) is fixedly arranged at the lower part of the outer wall of the machine barrel (1), one end of the rotating rod (712) penetrates through the middle of the fixed block (77), a plurality of evenly distributed driven gears (74) are meshed on the periphery of the main gear (73), screw rods (75) are fixedly arranged at the top of the driven gears (74), the screw rods (75) penetrate through the supporting plate (14) in a rotating mode and extend into the mounting cavity (101) and are fixedly provided with a plurality of driving gears (76) which are connected with the outer surfaces of the screw rods (711), the inner wall of the lifting ring (711) is fixedly connected with the outer surface of the supporting cylinder (51).
  6. 6. The deep-well pump motor convenient to detach and maintain, according to claim 5, characterized in that a first hexagonal sliding groove (7121) is formed in the middle of the rotating rod (712), a hexagonal block (713) is slidably mounted in the first hexagonal sliding groove (7121), a sliding rod (78) is fixedly mounted at one end, close to the fixed block (77), of the hexagonal block (713), the sliding rod (78) penetrates through the rotating rod (712) and the fixed block (77) in a sliding mode and is fixedly provided with a round block (79), a round hole (771) is formed in the middle of the fixed block (77), one end of the rotating rod (712) rotates inside the fixed block (77), a plurality of clamping grooves (772) are formed in one side, close to the round block (79), of the round block (79) in an annular array mode, a plurality of clamping rods (710) are fixedly mounted on the outer surface of the round block (79), the clamping rods (710) are matched with the clamping grooves (772), and the round block (79) can be stored in the round hole (771).
  7. 7. The deep-well pump motor convenient to disassemble and maintain is characterized in that the fixing assembly (8) comprises a connecting rod (83) and a screw rod piece (81), the connecting rod (83) is rotatably installed at the bottom of a threaded hole (102), the upper end of the connecting rod (83) is connected with a hexagonal column (82) through a one-way bearing, the bottom of the connecting rod (83) is rotatably penetrated into the installation cavity (101) and fixedly provided with a linkage gear (84), the linkage gear (84) is meshed with the driving gear (76), the upper end of the upper bearing seat (9) is provided with a plurality of through holes corresponding to the installation cavity (101), the screw rod piece (81) comprises a stud (811), a nut (812) is fixedly installed at the top of the stud (811), the stud (811) penetrates through the through holes to be in threaded connection with the installation cavity (101), the middle of the stud (811) and the nut (812) are jointly provided with a hexagonal through hole (813), and the hexagonal column (82) can slide in the hexagonal through hole (813).
  8. 8. The deep-well pump motor convenient to detach and maintain according to claim 1, wherein a bottom cover (3) and an inner clamping spring (2) are installed at the bottom of the oil bag (4), a sand prevention cover (16) is fixedly installed at the top of the upper bearing seat (9), the sand prevention cover (16) is sleeved outside the rotating shaft (6), and a mechanical seal (15) is arranged between the sand prevention cover (16) and the upper bearing seat (9).

Description

Deep-well pump motor convenient to disassemble and maintain Technical Field The invention relates to the field of deep-well pumps, in particular to a deep-well pump motor convenient to disassemble and maintain. Background The deep well pump features that the motor and pump are integrated, and it is immersed in underground well to pump and convey water, so it is widely used in irrigation and drainage of farmland, industry and mining enterprises, city water supply and drainage, sewage treatment, etc. The motor part of the deep-well pump generally comprises a machine barrel, a stator coil, a rotor and an assembly for sealing the motor in the machine barrel, wherein the stator coil of the motor of the existing deep-well pump is knocked into the machine barrel through a tool and fixed in the machine barrel, and then the rotor and other parts are installed in the machine barrel and the position relationship between the rotor and the stator coil is adjusted. Because the motor of the deep-well pump has higher rotating speed and works under water for a long time, the load is overlarge, and the motor can be burnt. The rotor, the stator coil and the like need to be replaced, the stator coil which is knocked into the machine barrel is difficult to take out, if the deep-well pump needs to be maintained, the maintenance is extremely inconvenient, or the whole machine barrel assembly needs to be replaced, the cost is high, and the problem of how to provide a motor assembly for easily taking out and maintaining the deep-well pump motor is always considered by technicians. Disclosure of Invention The invention mainly aims to provide a deep-well pump motor which is convenient to disassemble and maintain, and can effectively solve the problems in the background technology. In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: The utility model provides a convenient deep-well pump motor of dismantling and maintaining, includes the barrel, sets up stator and rotor in the barrel, the top of barrel is provided with the bolster, middle part fixed mounting has the backup pad in the barrel, install lift unblock subassembly in the backup pad, install the bolster on the lift unblock subassembly, the pivot of rotor rotates with bolster and bolster respectively through first bearing and is connected, just be provided with mechanical seal between pivot and the bolster, it is fixed through fixed subassembly between bolster and the barrel top, lift unblock subassembly is connected with fixed subassembly, the oil bag is installed to the barrel bottom, the regional packing that is located between bolster and the oil bag in the barrel has insulating oil, barrel internally mounted has the holding ring, the holding ring is located the backup pad top. Preferably, the lower bearing seat comprises a supporting cylinder and a supporting seat fixedly installed in the middle of the supporting cylinder, the rotating shaft penetrates through the supporting seat, a first bearing is arranged between the rotating shaft and the supporting seat, a plurality of first flow holes are formed in the periphery of the bottom of the supporting seat, and the bottom of the stator is installed in the supporting cylinder and sleeved outside the supporting seat. Preferably, the support plate is provided with a plurality of second flow holes. Preferably, the upper part of the inner wall of the machine barrel is provided with a boss, the middle part of the boss is provided with an opening, an O-shaped ring is arranged between the opening and the upper bearing seat, the top of the boss is provided with a plurality of threaded holes, and the bottom of the threaded holes are communicated with an installation cavity. Preferably, the lifting unlocking assembly comprises a worm, a turbine, a main gear, a fixed block and a lifting ring, wherein the main gear is rotatably mounted at the middle part of the lower end of a supporting plate through a rotating shaft rod, the bottom of the rotating shaft rod penetrates through the middle part of the main gear and is fixedly mounted with the turbine, one side of the turbine is meshed with the worm, two ends of the worm are fixedly provided with rotating rods, the rotating rods on two sides are rotatably connected with the inner wall of a machine barrel, the fixed block is fixedly mounted at the lower part of the outer wall of the machine barrel, one end of the rotating rod rotates to penetrate through the middle part of the fixed block, a plurality of evenly distributed driven gears are meshed on the periphery of the main gear, a screw is fixedly mounted at the top of the driven gears, the top of the screw rotates to penetrate through the supporting plate and extends to a mounting cavity, a plurality of driving gears are fixedly mounted in the mounting cavity, and the outer surfaces of the screw are connected with the lifting ring in a threaded mode. Preferably, the first hexagonal spout has