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CN-224228918-U - Submersible sewage pump for dredging coal mine sump

CN224228918UCN 224228918 UCN224228918 UCN 224228918UCN-224228918-U

Abstract

The utility model discloses a submersible sewage pump for dredging a coal mine sump, which comprises a main body, a crushing mechanism and a water inlet seat. The bottom of the main body is provided with a water inlet, the side of the main body is provided with a water outlet. The crushing mechanism is arranged above the water inlet in the main body, and comprises a motor and a rotating disk, and crushing blades which are elastically connected are arranged on the rotating disk. The main part corresponds the position of motor and is equipped with sealed storehouse, and the main part corresponds the position of rotary disk and is equipped with the sump, and the bottom of sump is equipped with the water inlet. The water inlet is provided with a detachable water inlet seat, and a plurality of filtering holes are arranged on the water inlet seat. The crushing mechanism can refine impurities entering the main body, and prevent the blockage of a waterway in the main body caused by particle accumulation.

Inventors

  • FAN WEI
  • FAN YOURAN
  • WANG YANQING
  • XIE YIMING

Assignees

  • 山东诺睿昇机电科技股份有限公司
  • 中国矿业大学

Dates

Publication Date
20260512
Application Date
20250519

Claims (9)

  1. 1. The utility model provides a colliery sump dredging is with diving dirty pump which characterized in that includes: The water inlet (11) is formed in the bottom of the main body (1), and the water outlet (12) is formed in the side face of the main body (1); the crushing mechanism (3), wherein the crushing mechanism (3) is arranged above the water inlet (11) in the main body (1), the crushing mechanism (3) comprises a motor (31) and a rotary disk (32), a sealing bin (13) is arranged at the position of the main body (1) corresponding to the motor (31), a water bin (14) is arranged at the position of the main body (1) corresponding to the rotary disk (32), the water inlet (11) is arranged at the bottom of the water bin (14), and crushing blades (33) which are elastically connected are arranged on the rotary disk (32); The water inlet seat (2), water inlet (11) department is equipped with detachable water inlet seat (2), be equipped with a plurality of filtration pore on water inlet seat (2).
  2. 2. The submersible sewage pump for dredging coal mine water bins according to claim 1, wherein a rotating shaft (311) is arranged at the output end of the motor (31), one end of the rotating shaft (311) far away from the motor (31) penetrates through the bottom surface of the sealing bin (13) and is fixedly connected with the rotating disc (32) through a fastener, and a mechanical seal (131) is arranged at the bottom of the sealing bin (13) corresponding to the position of the rotating shaft (311).
  3. 3. The submersible sewage pump for dredging coal mine water bins according to claim 1, wherein a plurality of uniformly-spaced wave plates (321) are arranged on the circumference of one surface of the rotary disc (32) far away from the motor (31), vertical shafts (322) are arranged on the rotary centers of the wave plates (321) of the rotary disc (32), the vertical shafts (322) extend towards the water inlet (11), and the crushing blades (33) are arranged on the vertical shafts (322).
  4. 4. The submersible sewage pump for dredging coal mine water sump as claimed in claim 3, wherein the vertical shaft (322) penetrates through the rotation center of the crushing blade (33), a plurality of ribs (323) with uniform intervals are arranged on the peripheral wall of the vertical shaft (322), sliding grooves are arranged at positions, corresponding to the ribs (323), of the crushing blade (33), elastic bodies are arranged between the crushing blade (33) and the rotating disc (32), and locking nuts (34) in threaded connection are arranged at one end, close to the water inlet (11), of the vertical shaft (322) corresponding to the crushing blade (33).
  5. 5. The submersible sewage pump for dredging coal mine water sump according to claim 4, wherein the elastic body is a spring (325), the spring (325) is arranged on the outer peripheral wall of the vertical shaft (322), an integrated panel (331) is arranged at one end of the crushing blade (33) corresponding to the spring (325), an integrated limiting plate (324) is arranged at the other end of the vertical shaft (322) corresponding to the spring (325), and the limiting plate (324) is arranged between the spring (325) and the rotating disc (32).
  6. 6. The submersible sewage pump for dredging coal mine water bins according to claim 1, wherein the water inlet seat (2) sequentially comprises an integrated connecting cylinder (21), a slope-shaped side surface (22) and a spherical bottom surface (23) along the downward direction of the water inlet (11), the filtering holes comprise first through holes (221) and second through holes (231), a plurality of first through holes (221) with the same interval are arranged on the circumference of the slope-shaped side surface (22), and the spherical bottom surface (23) is provided with a plurality of second through holes (231) distributed in an array.
  7. 7. The submersible sewage pump for dredging coal mine water sump according to claim 6, wherein the inner side wall of the connecting cylinder (21) close to one end of the water inlet (11) is provided with an inner thread (211), the outer side wall is provided with anti-skid threads (212), and the outer peripheral wall of one end of the main body (1) provided with the water inlet (11) is provided with an outer thread (141) matched with the inner thread (211).
  8. 8. The submersible sewage pump for dredging coal mine water bins according to claim 1, wherein a plurality of supporting legs (4) are arranged in the peripheral direction of the main body (1), the supporting legs (4) are evenly spaced, one end, close to the main body (1), of each supporting leg (4) is connected with the main body (1) through a first damping rotating shaft (41), and a first knob for adjusting tightness is arranged on the first damping rotating shaft (41).
  9. 9. The submersible sewage pump for dredging coal mine water sump according to claim 8, wherein a bottom plate (43) is arranged at one end, far away from the main body (1), of the supporting leg (4), a plurality of symmetrically distributed positioning holes (431) are formed in the bottom plate (43), a second damping rotating shaft (42) is arranged at the position, corresponding to the bottom plate (43), of the supporting leg (4), and a second knob for adjusting tightness is arranged on the second damping rotating shaft (42).

Description

Submersible sewage pump for dredging coal mine sump Technical Field The utility model relates to the technical field of dredging equipment, in particular to a submersible sewage pump for dredging a coal mine sump. Background The coal mine sump is a key facility in a coal mine underground drainage system, and is mainly used for collecting, precipitating and temporarily storing mine water, so as to provide stable working conditions for drainage equipment. The effect is similar to an underground reservoir, and is mainly used for preventing and controlling water damage and guaranteeing mine safety production. When the excessive water body in the coal mine water bin is discharged, a submersible sewage pump is needed. The submersible sewage pump is a submersible sewage pump, is particularly suitable for conveying liquid containing hard solids and fiber and particularly dirty, sticky and slippery liquid, and can be directly arranged in a coal mine pool due to the submersible sewage pump working under the submersible water. Conventional submersible sewage pumps generally do not have a mechanism for crushing and separating impurities, and a single-layer filter screen is usually arranged at the water inlet in order to prevent the situation of blockage. The water in the coal mine sump generally contains crushed stones or other impurities with different sizes, and the problem of blockage easily occurs when larger impurity particles in the submersible sewage pump or after quantitative impurities are accumulated. Disclosure of utility model The utility model provides a submersible sewage pump for dredging a coal mine sump, which aims to solve the technical problem of blockage of the submersible sewage pump in the prior art. In order to achieve the purpose, the submersible sewage pump for dredging the coal mine sump provided by the utility model comprises a main body, a crushing mechanism and a water inlet seat. The bottom of the main body is provided with a water inlet, the side of the main body is provided with a water outlet. The crushing mechanism is arranged above the water inlet in the main body, and comprises a motor and a rotating disk, and crushing blades which are elastically connected are arranged on the rotating disk. The main part corresponds the position of motor and is equipped with sealed storehouse, and the main part corresponds the position of rotary disk and is equipped with the sump, and the bottom of sump is equipped with the water inlet. The water inlet is provided with a detachable water inlet seat, and a plurality of filtering holes are arranged on the water inlet seat. Further, the output of motor is equipped with the pivot, and the one end that the motor was kept away from to the pivot passes the bottom surface of sealed storehouse to through fastener and rotary disk fixed connection, the bottom of sealed storehouse is equipped with mechanical seal in the position of corresponding the pivot. Further, a plurality of uniformly spaced wave plates are arranged in the circumferential direction of one surface of the rotating disk, which is far away from the motor. The rotary disk is equipped with the vertical axis on the rotation center of a plurality of wave plates, and the vertical axis extends towards the water inlet direction, is equipped with crushing blade on the vertical axis. Further, the vertical shaft penetrates through the rotation center of the crushing blade, a plurality of ribs with uniform intervals are arranged on the peripheral wall of the vertical shaft, and a chute is arranged at the position of the crushing blade corresponding to the ribs. An elastic body is arranged between the crushing blades and the rotating disc, and a locking nut in threaded connection with the corresponding crushing blade is arranged at one end of the vertical shaft close to the water inlet. Further, the elastomer is the spring, and on the periphery wall that the spring was equipped with the vertical axis, crushing blade corresponds the one end of spring and is equipped with integrated panel, and the other end that the vertical axis corresponds the spring is equipped with integrated limiting plate. The limiting plate is positioned between the spring and the rotating disk. Further, along water inlet down the orientation, the seat of intaking includes integrated connecting cylinder, slope side and spherical bottom surface in proper order. The filter hole comprises a first through hole and a second through hole. The circumference of the slope-shaped side surface is provided with a plurality of first through holes with the same interval, and the spherical bottom surface is provided with a plurality of second through holes distributed in an array. Further, the inside wall that the connecting cylinder is close to water inlet one end is equipped with the internal thread, and the lateral wall is equipped with anti-skidding line. The outer peripheral wall of one end of the main body provided with the water inlet is pro