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CN-122007065-A - Cleaning device for drilling imager

CN122007065ACN 122007065 ACN122007065 ACN 122007065ACN-122007065-A

Abstract

The invention relates to the field of mining detection equipment, in particular to a cleaning device of a drilling imager. The cleaning device of the borehole imager provided by the embodiment of the invention is arranged on the borehole imager and comprises a mounting ring, a driving assembly, a cleaning assembly and a vibration assembly, wherein the mounting ring is provided with a mounting ring groove, the driving assembly is arranged in the mounting ring groove, the cleaning assembly comprises a rotating part and an arc cleaning part, the mounting ring is provided with a lower limit ring groove, a cleaning rod is arranged on the rotating ring, the bottom of the rotating ring is provided with a lower limit ring, the rotating ring comprises an arc groove, one end of the arc cleaning part is arranged in the arc groove, the vibration assembly comprises a lower magnetic part and a lower magnet, the lower magnet is arranged at the bottom of the lower limit ring, the bottom of the lower limit ring groove is provided with a lower magnetic part, and the lower magnetic part is suitable for generating magnetic force to enable the lower magnet and the lower magnetic part to be mutually close to or far away from each other. The cleaning device for the drilling imager is convenient for cleaning the probe of the imager and improves the imaging reliability.

Inventors

  • YANG HONGZHI
  • HOU BIAO
  • LI JUNCHEN
  • QU HONGFEI
  • ZHANG SHUO
  • ZHANG ZHEN
  • LI WENZHOU

Assignees

  • 中煤科工开采研究院有限公司

Dates

Publication Date
20260512
Application Date
20260202

Claims (10)

  1. 1. A borehole imager (100) cleaning device disposed on a borehole imager (100), comprising: A mounting ring (1) and a driving assembly (2), wherein the mounting ring (1) is provided with a mounting ring groove (101), and the driving assembly (2) is arranged in the mounting ring groove (101); The cleaning assembly (3), the cleaning assembly (3) comprises a rotating part (31) and an arc-shaped cleaning part (32), the rotating part (31) is rotatably arranged on the mounting ring (1), the rotating part (31) comprises a cleaning rod (311), a rotating ring (312) and a lower limiting ring (313), the mounting ring (1) is provided with a lower limiting ring groove (102), the cleaning rod (311) is arranged on the rotating ring (312), A lower limiting ring (313) is arranged at the bottom of the rotating ring (312), the lower limiting ring (313) is at least partially rotatably arranged in the lower limiting ring groove (102), the rotating ring (312) comprises an arc-shaped groove (3121), one end of the arc-shaped cleaning component (32) is arranged in the arc-shaped groove (3121), an external gear is arranged on the peripheral surface of the rotating ring (312), and the external gear is meshed with the output end of the driving component (2); The vibration assembly (4), vibration assembly (4) include lower magnetic part (41) and lower magnet (42), lower magnet (42) set up lower spacing ring (313) bottom, lower spacing annular (102) bottom is provided with lower magnetic part (41), lower magnetic part (41) are suitable for producing magnetic force in order to make lower magnet (42) and lower magnetic part (41) be close to each other or keep away from.
  2. 2. The borehole imager (100) cleaning device as claimed in claim 1, wherein said rotary member (31) further comprises an upper stop collar (314), said mounting collar (1) being correspondingly provided with an upper stop collar groove (103), said upper stop collar groove (103) being at least partially rotatably disposed within said upper stop collar groove (103).
  3. 3. The borehole imager (100) cleaning device of claim 2, wherein said vibration assembly (4) further comprises an upper magnetic member (43) and an upper magnet (44), said upper magnet (44) being disposed on top of said upper stop collar (314), said upper magnetic member (43) being disposed at the bottom of said upper stop collar groove (103), said upper magnetic member (43) being adapted to generate a magnetic force to move said lower upper magnet (44) and said upper magnetic member (43) toward or away from each other.
  4. 4. A borehole imager (100) cleaning means as claimed in claim 3, wherein said vibration assembly (4) further comprises a bumper pad (45), said bumper pad (45) being provided at the bottom of said upper and lower limiting ring grooves (103, 102).
  5. 5. The borehole imager (100) cleaning device of claim 1, wherein said arcuate cleaning means (32) comprises an arcuate ring (321) and an elastic member (322), said elastic member (322) being disposed in said arcuate slot (3121), one end of said elastic member (322) being connected to an inner wall surface of said arcuate slot (3121), the other end of said elastic member (322) being connected to said arcuate ring (321).
  6. 6. The borehole imager (100) cleaning device of claim 5, wherein said arcuate ring (321) comprises a stop portion (3211) and a cleaning arcuate portion (3212), said cleaning arcuate portion (3212) being connected to said stop portion (3211), said stop portion (3211) being disposed within said arcuate slot (3121) and being connected to said resilient member (322).
  7. 7. The borehole imager (100) cleaning device of claim 1, wherein said cleaning assembly (3) further comprises a cleaning pad (315), said cleaning pad (315) being disposed on a cleaning bar (311), and wherein a bottom of said cleaning bar (311) is detachably connected to said rotating ring (312).
  8. 8. The borehole imager (100) cleaning apparatus of claim 7, wherein said cleaning assembly (3) further comprises a guide ring disposed on top of the borehole imager (100) and provided with a guide ring groove, said cleaning rod (311) top extending at least partially into the guide ring groove.
  9. 9. The borehole imager (100) cleaning apparatus of any one of claims 1 to 8, wherein said cleaning assembly (3) further comprises a nozzle (33), a pump and a reservoir, said reservoir and pump being removably mounted on the borehole imager (100), said reservoir being connected to the pump input end, one end of said nozzle (33) being connected to the pump output end, said mounting ring (1) being provided with a spray channel (104) at its top, said nozzle (33) having its other end extending into said mounting ring (1) and being connected to said spray channel (104) inlet, said spray channel (104) outlet being directed towards said cleaning assembly (3).
  10. 10. The borehole imager (100) cleaning device of any one of claims 1 to 8, wherein said arcuate cleaning elements (32) are plural, said arcuate slots (3121) are plural, and said arcuate slots (3121) are arranged at intervals in a circumferential direction of said rotary ring (312), said arcuate slots (3121) being in one-to-one correspondence with said arcuate cleaning elements (32).

Description

Cleaning device for drilling imager Technical Field The invention relates to the field of mining detection equipment, in particular to a cleaning device of a drilling imager. Background The drill imager visually presents the advantage of the rock structural characteristics of the inner wall of the rock drill, and becomes an optical instrument for effectively surveying the rock structure at present. It is widely used in engineering, for example, in hydrogeological engineering to observe various features and fine structures of geologic bodies in boreholes, such as formation lithology, rock structure, faults, fissures, interlayers, karst, etc., and to record geologic histograms. However, in practical application of the borehole imager, pollutants such as coal dust, rock dust, muddy water and the like usually exist in the borehole. When the probe of the peeping instrument stretches into the drill hole, the observation lens (peeping probe) at the front end of the peeping instrument is extremely easy to be attached or polluted by pollutants, so that acquired images are blurred and distorted, even cannot be recognized at all, and the accuracy and reliability of detection results are seriously affected. Disclosure of Invention The present invention aims to solve at least one of the technical problems in the related art to some extent. Therefore, the embodiment of the invention provides a cleaning device for a borehole imager, which is convenient for cleaning an imager probe and improves the imaging reliability. The cleaning device of the drilling imager provided by the embodiment of the invention is arranged on the drilling imager and comprises the following components: the device comprises a mounting ring and a driving assembly, wherein the mounting ring is provided with a mounting ring groove, and the driving assembly is arranged in the mounting ring groove; The cleaning assembly comprises a rotating part and an arc-shaped cleaning part, the rotating part is rotatably arranged on the mounting ring, the rotating part comprises a cleaning rod, a rotating ring and a lower limiting ring, the mounting ring is provided with a lower limiting ring groove, the cleaning rod is arranged on the rotating ring, The bottom of the rotating ring is provided with a lower limiting ring, the lower limiting ring is at least partially rotatably arranged in the lower limiting ring groove, the rotating ring comprises an arc-shaped groove, one end of the arc-shaped cleaning part is arranged in the arc-shaped groove, the outer circumferential surface of the rotating ring is provided with an external gear, and the external gear is meshed with the output end of the driving assembly; The vibration assembly comprises a lower magnetic part and a lower magnet, wherein the lower magnet is arranged at the bottom of the lower limiting ring, the bottom of the lower limiting ring groove is provided with the lower magnetic part, and the lower magnetic part is suitable for generating magnetic force so that the lower magnet and the lower magnetic part are close to or far away from each other. The cleaning device for the drilling imager is convenient for cleaning the probe of the imager and improves the imaging reliability. In some embodiments, the rotating member further includes an upper stop collar, and the mounting collar is correspondingly provided with an upper stop collar groove, and the upper stop collar groove is at least partially rotatably disposed in the upper stop collar groove. In some embodiments, the vibration assembly further comprises an upper magnetic member disposed on top of the upper retainer ring and an upper magnet disposed on bottom of the upper retainer ring groove, the upper magnetic member adapted to generate a magnetic force to move the lower and upper magnets toward or away from each other. In some embodiments, the vibration assembly further comprises a cushion pad, and the cushion pad is arranged at the bottom of the upper limit groove and the bottom of the lower limit groove. In some embodiments, the arc cleaning component comprises an arc ring and an elastic piece, wherein the elastic piece is arranged in the arc groove, one end of the elastic piece is connected with the inner wall surface of the arc groove, and the other end of the elastic piece is connected with the arc ring. In some embodiments, the arcuate ring includes a limit portion and a cleaning arcuate portion, the cleaning arcuate portion being connected to the limit portion, the limit portion being disposed in the arcuate slot and connected to the elastic member. In some embodiments, the cleaning assembly further comprises a cleaning pad disposed on the cleaning bar, and the cleaning bar bottom is removably coupled to the rotating ring. In some embodiments, the cleaning assembly further comprises a guide ring disposed on top of the borehole imager, and the guide ring is provided with a guide ring groove, and the cleaning rod top extends at least partially int