Search

CN-121675745-B - Coal mining drilling equipment and using method thereof

CN121675745BCN 121675745 BCN121675745 BCN 121675745BCN-121675745-B

Abstract

The application discloses coal mining drilling equipment and a using method thereof, and belongs to the field of drilling equipment. The automatic cleaning and abrasion detecting device comprises a pneumatic column-erecting drilling machine, wherein a drilling and holding assembly is arranged on the pneumatic column-erecting drilling machine through a rotating unit in an adjusting mode, the drilling and holding assembly comprises a fixing frame and a drill rod driven by power of a feeding device, a transmission assembly is arranged on the fixing frame, one end of the transmission assembly is sequentially provided with a cleaning assembly and a detecting assembly along the axial direction of the drill rod, and the drilling and holding assembly is synchronously linked with the cleaning assembly and the detecting assembly through the transmission assembly so as to automatically clean and detect the surface of the drill rod. According to the coal mining drilling equipment and the application method thereof, the integrated operation of drilling, cleaning and detection is realized through the positioning of the pneumatic column erecting drilling machine, the driving of the drilling and holding assembly and the linkage of the transmission assembly, and no additional manual intervention is required. The cleaning assembly is multistage to link high-efficient edulcoration, detects accurate discernment tiny damage of subassembly and audible and visual warning, avoids the trouble, reduces intensity of labour, guarantee operation is continuous, safety and accurate.

Inventors

  • ZHOU ZICHEN
  • WEI SHANYANG
  • LIU ZHENGYANG
  • WANG BINGHAI
  • YANG CAN
  • HE JIAXING
  • LEI QINGQING

Assignees

  • 贵州大学

Dates

Publication Date
20260505
Application Date
20260209

Claims (6)

  1. 1. The coal mining drilling equipment is characterized by comprising a pneumatic frame column drilling machine (1), wherein a drilling and holding assembly (2) is arranged on the pneumatic frame column drilling machine (1) through a rotation unit in an adjusting mode, the drilling and holding assembly (2) comprises a fixing frame (21) and a drill rod (231) driven by power of a feeding device (23), a transmission assembly (3) is arranged on the fixing frame (21), a cleaning assembly (4) and a detection assembly (5) are sequentially arranged at one end of the fixing frame (21) along the axial direction of the drill rod (231), and the drilling and holding assembly (2) is synchronously linked with the cleaning assembly (4) and the detection assembly (5) through the transmission assembly (3) so as to realize automatic cleaning and abrasion detection on the surface of the drill rod (231); The cleaning assembly (4) comprises a scraping unit driven by power of a transmission unit, wherein the scraping unit comprises a worm wheel II (41), the worm wheel II (41) is arranged in a supporting seat I (210) through a bearing and is coaxially sleeved on a drill rod (231), a floating bearing I for supporting the drill rod (231) is arranged on the inner ring of the worm wheel II (41), a funnel-shaped sealing cover (45) is arranged on the side surface of the worm wheel II (41), the sealing cover (45) is embedded in the side surface of the supporting seat I (210), one end of the sealing cover is in threaded connection with a cleaning ring (451), the surface of the cleaning ring (451) is matched with the radian design of the funnel-shaped sealing cover (45), a horn-shaped blocking cover (46) is sleeved on the sealing cover (45) and used for limiting and blocking impurities generated by scraping the surface of the drill rod (231) through the cleaning ring (451), a vertically arranged mounting frame (47) is fixed on the blocking cover (46), one end of the mounting frame (47) is fixedly provided with a obliquely arranged scraping plate I (48), the scraping plate I (48) is attached to the surface of the sealing cover (45), the sealing cover (45) is attached to the surface of the supporting seat I, the surface of the scraping plate II (49) is attached to the surface of the scraping plate II; The transmission unit comprises two groups of brackets (42) symmetrically arranged along the first supporting seat (210), the two groups of brackets (42) are fixed on the fixed frame (21), a worm (43) is arranged between the two groups of brackets (42) in a penetrating bearing way, the worm (43) is meshed with the worm wheel (41), and one end of the worm (43) is fixed with a bevel gear (44); The transmission assembly (3) comprises two groups of first brackets (31) which are arranged on a fixed frame (21) at intervals, a support shaft (32) parallel to the fixed frame (21) is arranged between the two groups of first brackets (31) through a bearing, driven bevel gears (33) are fixed at two ends of the support shaft (32), one group of driven bevel gears (33) is meshed with a driving bevel gear (35), the driving bevel gears (35) are supported and arranged through a right-angle frame (34) through bearings, the other group of driven bevel gears (33) is meshed with a first bevel gear (44), a transmission gear (351) is coaxially arranged on the driving bevel gears (35), a fixed rack (36) is meshed with the transmission gear (351), and the fixed rack (36) is fixed on the bottom surface of the feeding device (23); The detection assembly (5) comprises two groups of supports three (57), the two groups of supports three (57) are symmetrically arranged along a second supporting seat (211), a worm three (54) is arranged between the two groups of supports three (57) in a penetrating mode through a bearing, one end of the worm three (54) is fixedly connected with a bevel gear four (53), the bevel gear four (53) is meshed with a bevel gear three (52), the bevel gear three (52) is fixedly arranged on a supporting shaft (32), a worm wheel three (54) is meshed with a worm wheel three, the worm wheel three is arranged in the second supporting seat (211) through a bearing, a second floating bearing (56) for supporting a drill rod (231) is arranged in the worm wheel three, a mounting cover (55) is fixedly arranged on the side face of the worm wheel three, a hollow mounting ring (512) is fixedly arranged in the mounting cover (55), and a plurality of groups of detection units for detecting surface damage of the drill rod (231) are equidistantly arranged on the mounting ring (512).
  2. 2. The coal mining drilling equipment according to claim 1, wherein the drilling assembly (2) comprises two groups of guide rods (22) which are arranged in parallel, the guide rods (22) are fixedly arranged on the fixing frame (21), sliding seats (26) are connected to the two groups of guide rods (22) in a sliding mode, the feeding device (23) is fixedly assembled on the sliding seats (26) and comprises a pneumatic motor, a reduction gearbox and two groups of control handles (24), and the feeding device (23) is connected to a gas source through a pneumatic pipeline (25).
  3. 3. The coal mining drilling equipment according to claim 2, wherein a gear II (28) is fixedly arranged at the output end of the reduction gearbox, the gear II (28) is in meshed transmission with a rack II (27) fixed on the fixed frame (21) so as to drive the sliding seat (26) to stably move along the guide rod (22), one end of the drill rod (231) is fixedly connected with the power output end of the feeding device (23), a first supporting seat (210) and a second supporting seat (211) are movably sleeved on the drill rod (231) in sequence along the axial direction, and the first supporting seat (210) and the second supporting seat (211) are fixedly arranged on one side, close to the cleaning assembly (4), of the fixed frame (21) and are used for guiding and radially supporting the drill rod (231).
  4. 4. The coal mining drilling equipment according to claim 1, wherein the detection unit comprises a detection rod (59) movably penetrating through the mounting ring (512), an anti-falling end (58) is fixed at one end of the detection rod (59), a spring (510) is sleeved on the detection rod (59), two ends of the spring (510) are respectively connected with the inner wall of the mounting ring (512), the spring (510) has downward extrusion force on the detection rod (59), a pressing piece (511) is fixed on the bottom surface of the anti-falling end (58), and a contact sensor is arranged at a position corresponding to the surface of the mounting ring (512).
  5. 5. The coal mining drilling equipment according to claim 1, wherein the pneumatic frame column drilling machine (1) is provided with a frame column main body (11), a base (110) is integrally arranged at the bottom end of the frame column main body (11) and used for providing stable support for the equipment, two groups of operating handles (12) which are convenient for manual holding are fixed on two sides of the frame column main body (11), a movable wheel (19) is fixed on the side face of the frame column main body, and a fixed column (111) is arranged on the frame column main body (11).
  6. 6. The coal mining drilling equipment according to claim 5, further comprising a moving unit, wherein the moving unit comprises a first rack (13), the first rack (13) is fixed on the surface of a fixed column (111), a first rack (11) and the fixed column (111) are connected with a transmission box (14) in a sliding mode, a first worm wheel (17) is arranged on the inner side of the transmission box (14) through a bearing, a first worm (16) is meshed with the first worm wheel (17), the first worm wheel (16) is connected with the inner side of the transmission box (14) through the bearing, one end of the first worm wheel is fixedly provided with a rotary table (18), the first worm wheel (17) is coaxially provided with a first gear (112), the first gear (112) is meshed with the first rack (13), the first worm wheel (16), the first worm wheel (17) and the first gear (112) are driven to rotate through the rotary table (18) so that the transmission box (14) moves up and down along the fixed column (111), the rotating unit comprises an adjusting frame (116) fixed on the side of the transmission box (14), a sector-shaped support rod (117) is fixed at the center of the adjusting frame (116), a support rod (117) is arranged on the support rod (117), the bottom surface (113) is connected with one end of the support frame (113) through a screw thread, the locking member (114) is adapted to contact the side of the support frame (113).

Description

Coal mining drilling equipment and using method thereof Technical Field The invention relates to the technical field of drilling equipment, in particular to coal mining drilling equipment and a using method thereof. Background In the field of coal mining, drilling operation is a key procedure for guaranteeing the work of effective mining of coal mine resources, water exploration and drainage, roadway support and the like. Currently, a pneumatic column erecting drilling machine is adopted to drill holes in coal mining. The pneumatic column-erecting drilling machine has good adaptability and maneuverability by virtue of the advantages of pneumatic driving, is widely applied to complex working environments under coal mines, provides equipment support for drilling requirements of coal mining, can realize drilling operations on coal beds, rock strata and the like, and lays a foundation for subsequent mining, exploration and other works. However, in actual coal mining drilling operation, impurities such as cinder and rock debris attached to the surface of a drill rod need to be cleaned after the drill rod is used, the existing cleaning mode is mostly dependent on manual or simple tools, the defects of low cleaning efficiency and poor effect exist, and residual impurities easily have adverse effects on subsequent use of the drill rod. Meanwhile, in long-time drilling operation, the drill rod can generate abrasion loss problems due to continuous friction and impact with coal beds and rock strata. Such wearing and tearing are comparatively slight, are difficult to through naked eye direct detection observation, cause the staff unable timely perception drilling rod damage situation, and this not only can shorten drilling rod life, and the trouble such as drilling precision reduction still probably causes in follow-up drilling operation, influences the overall efficiency of drilling operation. It should be noted that the above information disclosed in this background section is only for understanding the background of the inventive concept and, therefore, it may include information that does not form the prior art. Disclosure of Invention The invention provides coal mining drilling equipment and a using method thereof, which are used for solving the problems that in the coal mining drilling operation, drill rods are cleaned by manual/simple tools, the efficiency is poor, the subsequent use is influenced by residual impurities, the abrasion of the drill rods is difficult to be perceived by naked eyes, the service life is easy to be shortened, and the drilling failure is caused, so that the operation efficiency is reduced. The invention adopts the following technical scheme that the coal mining drilling equipment and the using method thereof. The automatic cleaning and abrasion detecting device comprises a pneumatic column-erecting drilling machine, wherein a drilling and holding assembly is arranged on the pneumatic column-erecting drilling machine through a rotating unit in an adjusting mode, the drilling and holding assembly comprises a fixing frame and a drill rod driven by power of a feeding device, a transmission assembly is arranged on the fixing frame, one end of the transmission assembly is sequentially provided with a cleaning assembly and a detecting assembly along the axial direction of the drill rod, and the drilling and holding assembly is synchronously linked with the cleaning assembly and the detecting assembly through the transmission assembly so as to automatically clean and detect abrasion of the surface of the drill rod. Furthermore, the drilling and holding assembly comprises two groups of guide rods which are arranged in parallel, the guide rods are fixedly arranged on the fixing frame, the two groups of guide rods are connected with sliding seats in a sliding manner, the feeding device is fixedly assembled on the sliding seats and comprises a pneumatic motor, a reduction gearbox and two groups of control handles, and the feeding device is connected into an air source through a pneumatic pipeline. Furthermore, a second gear is fixedly arranged at the output end of the reduction gearbox, the second gear is meshed with a second rack fixed on the fixing frame for driving the sliding seat to move stably along the guide rod, one end of the drill rod is fixedly connected with the power output end of the feeding device, a first supporting seat and a second supporting seat are movably sleeved on the drill rod in sequence along the axial direction, and the first supporting seat and the second supporting seat are fixedly arranged on one side, close to the cleaning assembly, of the fixing frame and used for guiding and radially supporting the drill rod. Further, the cleaning assembly comprises a scraping unit driven by power of the transmission unit, the scraping unit comprises a worm wheel II, the worm wheel II is arranged in the first supporting seat through a bearing and is coaxially sleeved on the drill r