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CN-224228853-U - Double-screw pump rotor structure

CN224228853UCN 224228853 UCN224228853 UCN 224228853UCN-224228853-U

Abstract

The utility model discloses a double-screw pump rotor structure which comprises a rotor structure main body, wherein the rotor structure main body comprises a rotating shaft, a threaded conveying blade is fixed on the outer surface of the rotating shaft, a gear is fixed at one end of the rotating shaft, a drainage lubrication mechanism is further arranged on the rotor structure main body, when two rotor structure main bodies rotate after installation, two gears are meshed to drive the two rotating shafts to rotate through the drainage lubrication mechanism, lubricating oil is injected into the oil storage box and then enters the inside of a guiding channel through a through hole after rotating to the bottom end, lubricating oil is immersed into the lubricating oil again through the guiding channel in a guiding mode, so that the two gears squeeze the surface of the lubricating cotton to carry out oil lubrication treatment on the lubricating cotton during meshed rotation, friction is reduced, and the convenience of gear oiling lubrication is improved when the rotor structure main body is installed in the double-screw pump.

Inventors

  • Fang Guoyin
  • LV JIE
  • XU CHUNHUA

Assignees

  • 湖北广信机械设备制造有限公司

Dates

Publication Date
20260512
Application Date
20250415

Claims (7)

  1. 1. The double-screw pump rotor structure comprises a rotor structure main body (100), wherein the rotor structure main body (100) comprises a rotating shaft (101), a screw thread conveying blade (102) is fixed on the outer surface of the rotating shaft (101), and a gear (103) is fixed at one end of the rotating shaft (101), and the double-screw pump rotor structure is characterized in that: The drainage lubrication mechanism comprises an oil storage component fixed on the surface of the gear (103), wherein a drainage component is arranged at the inner joint of the inner surface of the oil storage component and the gear (103), and an oiling lubrication component is arranged at the edge of the outer surface of the gear (103) at the end part of the drainage component; The reinforcing installation mechanism comprises screw-in adjusting assemblies arranged at two ends of the rotating shaft (101), and extrusion reinforcing assemblies are arranged on the surfaces of the end portions of the two inner sides of the screw-in adjusting assemblies, which are located on the rotating shaft (101).
  2. 2. The double-screw pump rotor structure of claim 1, wherein the oil storage component comprises an oil storage box (1031) welded and fixed on the surface of the gear (103), an oil inlet (1032) is formed in the outer surface of the oil storage box (1031), and a sealing cover is rotated at the end thread of the oil inlet (1032).
  3. 3. The structure of claim 2, wherein the drainage assembly comprises a through hole (1034) formed at the inner edge of the oil storage box (1031), a material guiding channel (1035) is formed at the inner edge of the gear (103), and the end part of the material guiding channel (1035) and the end part of the through hole (1034) are fixed in a sealing manner through a sealing gasket.
  4. 4. A double screw pump rotor structure according to claim 3, wherein said through hole (1034) communicates with the inside of the oil reservoir (1031), and said feed passage (1035) communicates with the inside of the oil reservoir (1031) through said through hole (1034).
  5. 5. The rotor structure of a double screw pump according to claim 3, wherein the oiling lubrication assembly comprises a mounting hole (1036) formed at the bottom end of the material guiding channel (1035) and located at the edge of the gear (103), and oiling lubrication cotton (1033) is tightly pressed and mounted in the mounting hole (1036) through an elastic piece.
  6. 6. The structure of claim 1, wherein the screw-in adjusting assembly comprises an adjusting groove (1012) arranged at the middle positions of two ends of the rotating shaft (101), two inner sides of the adjusting groove (1012) are provided with inner threaded holes (1015), and the inner threads of the inner threaded holes (1015) are provided with threaded rods (1013) in a rotating mode.
  7. 7. The structure of claim 6, wherein the extrusion reinforcement assembly comprises a limit groove (1014) formed in the inner portion of the rotating shaft (101) at the end of the inner threaded hole (1015), a limit extrusion chuck (1011) is limited in the limit groove (1014), and the end of the threaded rod (1013) is fixed with the tail end of the limit extrusion chuck (1011) through welding.

Description

Double-screw pump rotor structure Technical Field The utility model belongs to the technical field of double-screw pump rotor structures, and particularly relates to a double-screw pump rotor structure. Background The double-screw pump is a positive displacement rotor pump, has the characteristics of gentle flow, small pulsation pressure, good self-priming capability, low noise, high efficiency, long service life and the like, a pair of rotor structures are required to be installed in the double-screw pump for screw thread conveying during driving, the existing rotor structure is a component which is installed in the double-screw pump for screw thread conveying, and the rotor structure is a main component in the double-screw pump, so that the stable screw conveying operation is convenient to install; When the existing rotor structure is installed in the double-screw pump, the existing rotor structure is directly closed at the installation position, gears are arranged in the gear installation operation to be meshed with gears of two rotors, after installation, when the rotors rotate for a long time to constantly rotate the two gears, certain friction is easily generated, lubrication treatment is inconvenient for the gears, the space between the friction damaged meshing positions of the gears is easily caused to reduce the rotor rotation effect, and therefore the problem of convenience in gear oiling and lubrication when the rotors are installed in the double-screw pump is affected. Disclosure of utility model The utility model aims to provide a rotor structure of a double-screw pump, which solves the problems that in the prior art, when the rotor structure is arranged in the double-screw pump for use, gears of two rotors are meshed and arranged, after the installation, when the rotors rotate for a long time to constantly engage and rotate, certain friction is easily generated, lubrication treatment on the gears is inconvenient, and the rotor rotation effect is easily reduced at the engagement position where the friction of the gears is damaged. In order to achieve the above purpose, the utility model provides the technical scheme that the double-screw pump rotor structure comprises a rotor structure main body, wherein the rotor structure main body comprises a rotating shaft, a threaded conveying blade is fixed on the outer surface of the rotating shaft, a gear is fixed at one end of the rotating shaft, and the rotor structure main body is also provided with: The drainage lubrication mechanism comprises an oil storage component fixed on the surface of the gear, a drainage component is arranged at the inner joint of the inner surface of the oil storage component and the gear, and an oiling lubrication component is arranged at the edge of the outer surface of the end part of the drainage component, which is positioned on the gear; The reinforcing installation mechanism comprises screw-in adjusting assemblies arranged at two ends of the rotating shaft, and extrusion reinforcing assemblies are arranged on the end surfaces of the two sides of the inner portion of the screw-in adjusting assemblies, which are located on the rotating shaft. Preferably, the oil storage assembly comprises an oil storage box fixed on the surface of the gear in a welding mode, an oil inlet is formed in the outer surface of the oil storage box, and a sealing cover is rotated at the end portion of the oil inlet in a threaded mode. Preferably, the drainage assembly comprises a through hole formed in the inner edge of the oil storage box, a drainage channel is formed in the inner edge of the gear, and the end part of the drainage channel and the end part of the through hole are fixed in a sealing mode through a sealing gasket. Preferably, the through hole is communicated with the inside of the oil storage box, and the material guiding channel is communicated with the inside of the oil storage box through the through hole. Preferably, the oiling lubrication assembly comprises a mounting hole formed in the bottom end of the material guiding channel and located at the edge of the gear, and oiling lubrication cotton is tightly pressed and mounted in the mounting hole through an elastic piece. Preferably, the precession adjusting component comprises an adjusting groove arranged at the middle position of two ends of the rotating shaft, internal threaded holes are formed in two sides of the adjusting groove, and threaded rods are arranged in the internal threaded holes in a rotating mode. Preferably, the extrusion reinforcing component comprises a limiting groove formed in the end part of the internal threaded hole and located in the rotating shaft, a limiting extrusion clamping head is limited in the limiting groove, and the end part of the threaded rod is fixed with the tail end of the limiting extrusion clamping head through welding. Compared with the prior art, the utility model has the beneficial effects that: Through design drainage lubricati