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CN-224228872-U - Axial flow pump with filtering anti-blocking device

CN224228872UCN 224228872 UCN224228872 UCN 224228872UCN-224228872-U

Abstract

The utility model discloses an axial flow pump with a filtering anti-blocking device, which belongs to the field of axial flow pumps and comprises a pump seat, wherein the top of the pump seat is fixedly connected with a pump body, the top of the pump seat is provided with a mounting hole, one end of the pump body is fixedly connected with a plunger assembly, the side surface of the plunger assembly is provided with a filtering assembly, the filtering assembly comprises a connecting pipe, one end of the connecting pipe is fixedly connected to the side end of the plunger assembly, the inner side surface of the connecting pipe is connected with a filter plate through a bolt, the side surface of the filter plate is fixedly connected with an adjusting plate, through the cooperation between the devices, an adaptive plate sliding inside the adjusting plate is influenced by water pressure, a pressure spring is extruded to enable the pressure spring to shrink and slide towards the inside of the adjusting plate and open an auxiliary filtering group, at the moment, water flows into the inside of the adjusting plate through the auxiliary filtering group, and then self-adaptive adjustment is performed according to the water flow size, and water outlet blocking caused by overlarge water flow is avoided.

Inventors

  • ZHU YONGBIN
  • XU ZHENG
  • ZHENG XING
  • LIN TING

Assignees

  • 上海水泵制造有限公司

Dates

Publication Date
20260512
Application Date
20250710

Claims (7)

  1. 1. An axial flow pump with filtering anti-clogging means, comprising: The axial flow pump assembly comprises a pump seat, a pump body fixedly connected with the top of the pump seat, a plunger assembly fixedly connected with the pump body and a filtering assembly connected with the side surface of the plunger assembly; The filter assembly comprises a connecting pipe fixedly connected with the side end of the plunger assembly, a filter plate fixedly arranged on the inner side surface of the filter plate and a suitable pressing plate slidingly connected with the inner side surface of the filter plate, and an auxiliary filter group is arranged on the side surface of the filter plate; the cleaning assembly comprises a driving assembly arranged on the inner wall of the connecting pipe, and an external gear which is arranged on the periphery of the adjusting plate in a surrounding manner and is rotatably connected with the filter plate, the inner wall of the external gear is provided with a cleaning piece connected with the adjusting plate, and the driving end of the driving assembly is provided with a pinion which is meshed with the external gear.
  2. 2. The axial flow pump with filtering and anti-clogging device as set forth in claim 1, wherein the auxiliary filtering group is provided in two groups and is arranged on the circumferential surface of the adjusting plate in a linear array.
  3. 3. The axial flow pump with the filtering anti-clogging device as set forth in claim 2, wherein the interior of the adjusting plate is hollow, the pressure adapting plate is slidably connected with the inner side of the adjusting plate through a pressure spring, the pressure spring is set in a relaxed state in an initial state, and the diameter of the pressure adapting plate is identical to the inner diameter of the adjusting plate.
  4. 4. The axial flow pump with the filtering anti-blocking device according to claim 3, wherein the driving assembly comprises a motor arranged on the side face of the fixed seat, a rotating shaft fixedly connected with an output shaft of the motor, one end, which is not connected with the motor, of the rotating shaft is fixedly connected with the pinion, and the cleaning piece is a cleaning brush fixedly connected with the inner side face of the outer toothed ring.
  5. 5. The axial flow pump with filtering and anti-clogging device of claim 4, wherein a plurality of cleaning brushes are circumferentially arrayed on the circumferential surface of the outer toothed ring.
  6. 6. The axial flow pump with filtering and anti-clogging device as recited in claim 5, wherein the outer gear ring circumferential surface is intermeshed with the pinion, and a surface area ratio of the pinion to the outer gear ring is set to 1:4.
  7. 7. The axial flow pump with filtering and anti-clogging device of claim 6, wherein the outer end of the auxiliary filtering group is located on the displacement track of the cleaning brush.

Description

Axial flow pump with filtering anti-blocking device Technical Field The utility model relates to the technical field of axial flow pumps, in particular to an axial flow pump with a filtering anti-blocking device. Background The axial flow pump is driven by the force of the vane of the rotating impeller to the liquid to convey the liquid along the axial direction, and has several types, including vertical, horizontal, inclined and through-flow. The large axial flow pump has been developed in China from 1961 and after 664 sets. The specific rotation numbers n are 500, 700, 850, 1000, 1250, 1400, 1600 and the like, and the diameters of the rotating wheels are 1.6m, 2.0m, 2.8m, 3.0m, 3.1m, 4.0m and 4.5m respectively. The large axial flow pump station is built in 16 provinces, cities and autonomous areas such as Jiangsu, hubei, hunan, anhui, guangdong, tianjin, shandong, shanxi, xinjiang and the like, 114 seats are totally built in the autonomous areas, and the capacity of the total assembly machine is 63 ten thousand kW. Through investigation, the Chinese utility model OR utility model patent discloses a waterproof display control instrument (publication number: CN 216691477U), which comprises a vertical axial flow pump, a water outlet, a water inlet, a fixing frame A, a servo motor, a rotating rod and axial flow blades, wherein the water inlet is embedded in the bottom of the vertical axial flow pump, the fixing frame A is fixedly arranged on the outer wall of the bottom of the water inlet, the water outlet is embedded in one end of the top of the vertical axial flow pump, the servo motor is fixedly arranged at the top of the vertical axial flow pump, and the rotating rod is connected to the bottom of the servo motor through an output shaft. The above patent is through the setting of components such as servo motor, dwang, and the river water will carry impurity and enter into impurity collecting vat to will dash the fly leaf outside the pivot through the impact force of river water and rotate, when making river water flow through the filter screen B of impurity collecting vat other end, will river water in impurity keep out, and make the river water after filtering follow the water inlet and leading into in the vertical axial-flow pump, in the water pipe of leading into the connection from the delivery port again, lead to the holding vessel in the job site in for the staff to use, but be difficult to carry out the adjustment of adaptation according to the rivers size, when leading to the flow great, the rivers jam is led to, remains to be improved. Accordingly, the present utility model provides an axial flow pump with a filtering anti-clogging device to solve the above-mentioned problems. Disclosure of utility model (One) solving the technical problems The utility model provides an axial flow pump with a filtering anti-blocking device, and aims to solve the problems in the background art. (II) technical scheme In order to achieve the aim, the utility model provides the technical scheme that the axial flow pump with the filtering anti-blocking device comprises an axial flow pump assembly, a filtering assembly and a filtering assembly, wherein the axial flow pump assembly comprises a pump seat, a pump body fixedly connected with the top of the pump seat, a plunger assembly fixedly connected with the pump body and a filtering assembly connected with the side surface of the plunger assembly; The filter assembly comprises a connecting pipe fixedly connected with the side end of the plunger assembly, a filter plate fixedly arranged on the inner side surface of the filter plate and a suitable pressing plate slidingly connected with the inner side surface of the filter plate, and an auxiliary filter group is arranged on the side surface of the filter plate; the cleaning assembly comprises a driving assembly arranged on the inner wall of the connecting pipe, and an external gear which is arranged on the periphery of the adjusting plate in a surrounding manner and is rotatably connected with the filter plate, the inner wall of the external gear is provided with a cleaning piece connected with the adjusting plate, and the driving end of the driving assembly is provided with a pinion which is meshed with the external gear. Further, the auxiliary filtering groups are arranged in two groups and are arranged on the circumferential surface of the adjusting plate in a linear array. Further, the inside of the adjusting plate is arranged to be hollow, the pressure adapting plate is slidably connected with the inner side surface of the adjusting plate through the pressure spring, the pressure spring is arranged to be in a loose state in an initial state, and the diameter of the pressure adapting plate is matched with the inner diameter of the adjusting plate. Further, the driving assembly comprises a motor arranged on the side face of the fixed seat, a rotating shaft is fixedly connected with an output shaft of the motor, a pini