Directional drilling and reaming device for exploration

Abstract

The invention discloses a directional drilling and reaming device for exploration, and relates to the technical field of exploration and reaming, the directional drilling and reaming device for exploration comprises a support frame, a turntable is arranged in the center of the support frame, a support cylinder is vertically arranged on the turntable, a rotating pipe is arranged in the support cylinder, a spiral blade is arranged outside the rotating pipe, and a sliding rod is arranged in the rotating pipe. The bottom end of the sliding rod penetrates through the supporting cylinder and is provided with a rotating block, a plurality of smashing teeth are arranged outside the rotating block, a sliding groove is formed in the rotating disc, a movable block is arranged in the sliding groove, the supporting cylinder is sleeved with an upper pressing disc and a lower pressing disc, a plurality of upper transmission plates are arranged outside the upper pressing disc, and a plurality of lower transmission plates are arranged outside the lower pressing disc. In the primary reaming process, a cam drives a sliding rod and smashing teeth to rotate and drill downwards, initial drilling is rapidly completed, in the secondary reaming process, a hole wall is directly expanded through a multi-roller rotation mechanism capable of being expanded in the radial direction, tools do not need to be replaced in the reaming process, and the stability of the reaming process is enhanced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of exploration reaming, in particular to a directional drilling reaming device for exploration. BACKGROUND

[0002] Exploration, usually refers to the process of using geological, physical or engineering means to systematically detect and evaluate underground structures, mineral resources or geological conditions, which provides key decision-making basis for resource exploitation, engineering construction and disaster prevention and control. When implementing exploration work, drilling technology is often used to obtain deep rock and soil samples.

[0003] Directional drilling for exploration first drills a hole with a drill bit, and then uses a reaming device to enlarge the diameter of the hole to meet the needs of lowering instruments and installing casings. The existing reaming device usually uses a single reaming cutter or a fixed-wing reamer to achieve the expansion of the hole wall by axial advancement and rotary cutting. However, the cutting range of the reaming cutter is limited, the reaming efficiency is low, and the hole diameter is uneven, which makes it difficult to adapt to different hole diameter requirements, increasing the operation time and cost. SUMMARY

[0004] The purpose of the present application is to provide a directional drilling reaming device for exploration to solve the problem of inconvenient use of existing reaming devices.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme: A directional drilling reaming device for exploration, comprising a support frame, further comprising: A rotating roller, a rotating disc is arranged at the center of the support frame, a support cylinder is vertically arranged on the rotating disc, a rotating pipe is arranged inside the support cylinder, a spiral blade is arranged outside the rotating pipe, a sliding rod is arranged inside the rotating pipe, the bottom end of the sliding rod passes through the support cylinder and is provided with a rotating block, a plurality of crushing teeth are arranged outside the rotating block, a sliding groove is formed in the rotating disc, a movable block is arranged inside the sliding groove, an upper pressure disc and a lower pressure disc are sleeved outside the support cylinder, a plurality of upper transmission plates are arranged outside the upper pressure disc, a lower transmission plate is arranged outside the lower pressure disc, the upper transmission plates are rotationally connected with the movable block, a hinge seat is arranged on the lower transmission plate, a rotating rod is arranged between the movable block and the hinge seat, a rotating roller is arranged outside the rotating rod, a plurality of reaming strips are slidably arranged outside the rotating roller, a top plate is arranged on the lower transmission plate, and the bottom end of the reaming strip is in contact with the top plate; A cam, a telescopic rod is arranged at the top of the support frame, a movable frame is arranged at the top end of the telescopic rod, a rotating cylinder is arranged on the movable frame, the rotating cylinder is fixedly connected with the support cylinder, a fixed frame is arranged at the top of the support cylinder, a sliding block is arranged inside the fixed frame, an active rod is arranged between the two sliding blocks, a cam is arranged on the active rod, and the cam is in contact with the outside of the sliding rod. A driving mechanism is installed outside the movable frame. A transmission mechanism is connected with the rotating rod, the driving mechanism drives the rotating disc and the rotating roller to rotate, the transmission mechanism drives the upper pressing disc and the lower pressing disc to approach each other, the lower transmission plate drives the plurality of rotating rollers to move away from each other, and the rotating rollers expand the hole through cooperation with the hole expanding strip.

[0006] On the basis of the above technical scheme, the application further provides the following optional technical schemes. In an optional scheme, the driving mechanism comprises a gear groove, a gear and a driving shaft, the rotating cylinder is externally provided with the gear groove, the movable frame is provided with a protection box, the protection box is internally provided with a power piece, the rotating end of the power piece is provided with the driving shaft, and the driving shaft is externally provided with the gear meshing with the gear groove.

[0007] In an optional scheme, the sliding groove is internally provided with a transmission rod, the movable block is internally provided with a transmission cylinder, the transmission rod is provided with a transmission key, and the transmission cylinder is sleeved on the transmission rod through the internally formed key groove.

[0008] In an optional scheme, a gear set is arranged between the transmission cylinder and the rotating rod, the support frame is internally provided with a transmission groove, and one end of the transmission rod penetrates into the transmission groove.

[0009] In an optional scheme, the transmission mechanism comprises a pressing rod, a rotating wheel and a traction rope, the upper pressing disc is provided at the bottom with the pressing rod, the rotating disc is provided with a fixed plate, the fixed plate is provided with the rotating wheel, the lower pressing disc is provided with the traction rope, one end of the traction rope penetrates through the rotating wheel and contacts the bottom end of the pressing rod.

[0010] In an optional scheme, the fixed frame is internally provided with a limiting groove, the sliding block is slidingly arranged in the limiting groove, the sliding block is provided with a connecting sleeve, the fixed frame is internally provided with a driving rod, and the driving rod and the connecting sleeve are provided with transmission gears meshing with each other.

[0011] In an optional scheme, the rotating cylinder is internally provided with a friction groove, and one end of the driving rod penetrates into the friction groove and is provided with a friction wheel.

[0012] Compared with the prior art, the application has the following beneficial effects: The exploration directional drilling reaming device reams once through the rotating block at the bottom end of the sliding rod, multiple rotating rollers expand outward and ream twice through the reaming strip, the first reaming is completed by rotating the sliding rod and the crushing tooth downhole driven by the cam, the initial drilling is quickly completed, the second reaming is directly expanded to the hole wall through the multiple roller self-rotation mechanism which can expand radially, without the need to replace the tool during reaming, the stability of the reaming process is enhanced, the risk of hole wall collapse is reduced, and the reaming efficiency of directional drilling is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the exploration directional drilling reaming device.

[0014] Figure 2 It is a structural schematic diagram of the support frame in the exploration directional drilling reaming device.

[0015] Figure 3 It is a sectional view of the rotating roller in the exploration directional drilling reaming device.

[0016] Figure 4 It is a structural schematic diagram of the top plate in the exploration directional drilling reaming device.

[0017] Figure 5 It is a structural schematic diagram of the rotating cylinder in the exploration directional drilling reaming device.

[0018] Figure 6 It is a structural schematic diagram of the fixed plate in the exploration directional drilling reaming device.

[0019] Figure 7 It is a structural schematic diagram of the rotating disc in the exploration directional drilling reaming device.

[0020] Figure 8 It is a structural schematic diagram of the transmission rod in the exploration directional drilling reaming device.

[0021] Figure 9 It is a structural schematic diagram of the fixed plate in the exploration directional drilling reaming device.

[0022] Figure 10 It is a sectional view of the support frame in the exploration directional drilling reaming device.

[0023] Figure 11 It is a structural schematic diagram of the movable block in the exploration directional drilling reaming device.

[0024] Figure reference numerals: 1-Support frame, 101-Transmission groove, 2-Support cylinder, 3-Rotating tube, 301-Helical blade, 4-Sliding rod, 5-Rotating block, 6-Crushing tooth, 7-Rotating roller, 8-Expanding strip, 9-Turntable, 901-Sliding groove, 10-Fixing pin, 11-Telescopic rod, 12-Modible frame, 13-Rotating cylinder, 131-Gear groove, 132-Friction groove, 133-Connecting rod, 14-Protective box, 15-Cam, 16-Fixing frame, 161- 17-Limiting groove, 18-Lower pressure plate, 19-Lower transmission plate, 10-Hinge seat, 21-Top plate, 22-Traction rope, 23-Gear, 24-Drive shaft, 25-Slider, 26-Moving rod, 27-Drive rod, 28-Connecting sleeve, 29-Upper pressure plate, 20-Pressure rod, 21-Pressure rod, 22-Transmission rod, 23-Transmission key, 24-Moving block, 25-Upper transmission plate, 26-Fixed plate, 27-Rotating wheel, 28-Rotating rod, 29-Gear set, 20-Transmission cylinder. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0026] The specific implementation of the present invention will be described in detail below with reference to specific embodiments.

[0027] like Figures 1-11 As shown, an exploration directional drilling reaming device according to an embodiment of the present invention includes a support frame 1, and further includes: The rotating roller 7 and the support frame 1 are mounted on the ground by multiple fixing pins 10, providing a support foundation for the device. A turntable 9 is rotatably mounted at the center of the support frame 1. A support cylinder 2 is fixedly mounted on the turntable 9. A rotating tube 3 is installed inside the support cylinder 2, and a sliding rod 4 that can slide axially is sleeved inside the rotating tube 3. During the hole enlargement operation, the rotating tube 3 and the sliding rod 4 are fixedly connected by bolts, so that the rotation of the turntable 9 can drive the support cylinder 2, the rotating tube 3, and the sliding rod 4 to rotate. After the hole enlargement is completed, the bolts are loosened and the device is manually... Rotating the rotating tube 3, which has a spiral blade 301 on its outside, drives the spiral blade 301 to transport the soil upwards, allowing it to fall into the inside of the tube 13 for collection. The bottom end of the sliding rod 4 passes through the support cylinder 2 and is equipped with a rotating block 5. The rotating block 5 has multiple crushing teeth 6 on its outside. The turntable 9 has a sliding groove 901, and a movable block 28 is slidably disposed inside the sliding groove 901. The support cylinder 2 is fitted with an upper pressure plate 26 and a lower pressure plate 17. Multiple upper transmission plates 29 are rotatably mounted on the outside of the pressure plate 26, and a lower transmission plate 18 is rotatably mounted on the outside of the lower pressure plate 17. The upper transmission plates 29 are rotatably connected to the movable block 28. A hinge seat 181 is mounted on the lower transmission plate 18. A rotating rod 32 is rotatably mounted between the movable block 28 and the hinge seat 181. A rotating roller 7 is mounted on the outside of the rotating rod 32. Multiple expanding strips 8 are slidably mounted on the outside of the rotating roller 7. A top plate 19 is mounted on the lower transmission plate 18, and the bottom ends of the expanding strips 8 are connected to the top plate 19. When the upper pressure plate 26 and the lower pressure plate 17 come into contact and approach each other, the axial motion is converted into radial motion through the linkage of the upper transmission plate 29, the lower transmission plate 18 and the rotating rod 32. This causes the movable block 28 to slide outward along the sliding groove 901, driving multiple rotating rollers 7 and the expanding strip 8 to expand outward radially. The rotation of the turntable 9 will drive these expanded rotating rollers 7 to revolve. The teeth on the expanding strip 8 are used to cut and trim the hole wall after the first expansion, realizing the second expansion. The multi-roller expansion structure ensures the uniformity and stability of the expansion force. Cam 15, the top of the support frame 1 is provided with a telescopic rod 11, the top of the telescopic rod 11 is provided with a movable frame 12, the telescopic rod 11 is provided with a support spring inside, which provides elastic support for the upper 12, the movable frame 12 is rotatably provided with a rotating cylinder 13, the rotating cylinder 13 is fixedly connected to the support cylinder 2, the top of the support cylinder 2 is provided with a fixed frame 16, 2 drives 16 to rotate, the fixed frame 16 is provided with a slider 23 inside, the two sliders 23 are rotatably provided with a movable rod 231, the movable rod 231 is provided with a cam 15, the cam 15 is in contact with the outside of the sliding rod 4, the two cams 15 rotate in opposite directions, the long ends of the two cams 15 rotate and press down, together driving the sliding rod 4 to slide intermittently downward along the support cylinder 2, thereby driving the rotating block 5 and the crushing tooth 6 to drill downward while rotating, realizing the one-time enlargement of the drill hole; A driving mechanism is installed outside the movable frame 12. A transmission mechanism is connected with the rotating rod 32, the driving mechanism drives the rotating disc 9 and the rotating roller 7 to rotate, the transmission mechanism drives the upper pressing disc 26 and the lower pressing disc 17 to approach each other, the lower transmission plate 18 drives a plurality of rotating rollers 7 to move away from each other, and the rotating roller 7 expands the hole by cooperating with the hole expanding strip 8.

[0028] As shown in Figures 1-7 As a preferred embodiment of the present application, the driving mechanism includes a gear groove 131, a gear 21 and a driving shaft 22, the rotating cylinder 13 is externally provided with the gear groove 131, the movable frame 12 is provided with a protection box 14, the protection box 14 is internally provided with a power element, the rotating end of the power element is provided with the driving shaft 22, the driving shaft 22 is externally provided with the gear 21 which is engaged with the gear groove 131, the power element is a motor, the output end of the motor is connected with the driving shaft 22, when the motor is started, the driving shaft 22 drives the gear 21 to rotate, the engagement between the gear 21 and the gear groove 131 drives the rotating cylinder 13 to rotate, thereby driving the supporting cylinder 2 and the rotating disc 9 to rotate, providing the revolution power for the first hole expansion and the second hole expansion.

[0029] As shown in Figures 1-10 As a preferred embodiment of the present application, the sliding groove 901 is internally rotatably provided with a transmission rod 27, the movable block 28 is internally rotatably provided with a transmission cylinder 34, the transmission rod 27 is provided with a transmission key 271, the transmission cylinder 34 is sleeved on the transmission rod 27 through the internally formed key groove, which can slide axially on the transmission rod 27 and synchronously rotate with the transmission rod 27, the transmission cylinder 34 is provided with a gear set 33 between the transmission cylinder 34 and the rotating rod 32, the supporting frame 1 is internally provided with a transmission groove 101, one end of the transmission rod 27 penetrates into the transmission groove 101, and the end portion is fixedly installed with a rotating gear, the inner wall of the transmission groove 101 is correspondingly provided with a transmission gear groove which is engaged with the rotating gear, when the rotating disc 9 rotates under the power driving, the transmission gear groove drives the rotating gear at the end of the transmission rod 27 to rotate, thereby driving the transmission rod 27 to rotate, the transmission rod 27 drives the transmission cylinder 34 to rotate through the cooperation between the transmission key 271 and the key groove, the rotating rod 32 and the rotating roller 7 and the hole expanding strip 8 installed thereon are driven to rotate through the gear set 33, the top plate 19 is installed in an inclined manner, so that the contact surface between the top plate 19 and the bottom end of the hole expanding strip 8 forms a certain slope, when the rotating roller 7 and the hole expanding strip 8 rotate and expand radially, the hole expanding strip 8 can periodically slide up and down along the axial direction of the rotating roller 7, which effectively avoids the excessive wear and jam caused by the continuous cutting of the hole expanding strip 8 at the same position of the hole wall, promotes the timely discharge of cutting debris, improves the smoothness and cutting efficiency of the hole expansion process, and ensures the cutting effect of the hole wall.

[0030] As shown in Figures 1-10As shown, in a preferred embodiment of the present invention, the transmission mechanism includes a pressure rod 261, a rotating wheel 31, and a traction rope 20. A connecting rod 131 is provided between the upper pressure plate 26 and the rotating cylinder 13. The pressure rod 261 is provided at the bottom of the upper pressure plate 26. A fixing plate 30 is provided on the turntable 9, and the rotating wheel 31 is provided on the fixing plate 30. The traction rope 20 is provided on the lower pressure plate 17, and one end of the traction rope 20 passes through the rotating wheel 31 and contacts the bottom end of the pressure rod 261. A counterweight is placed inside the rotating cylinder 13. By adding the counterweight, the rotating cylinder 13 moves downward. The rotating cylinder 13 drives the upper pressure plate 26 to press down through the connecting rod 131. The upper pressure plate pulls down the traction rope 20 through the bottom pressure rod 261. After the traction rope 20 passes around the rotating wheel 31, it pulls up the lower pressure plate 17, causing the lower pressure plate 17 to move upward. This allows the upper pressure plate 26 and the lower pressure plate 17 to move closer to each other. Then, through the linkage mechanism, multiple rotating rollers 7 are driven to expand outward synchronously to realize the hole enlargement operation.

[0031] like Figures 1-6 As shown, in a preferred embodiment of the present invention, the fixing frame 16 has a limiting groove 161 inside, and the slider 23 is slidably disposed inside the limiting groove 161. A connecting spring is provided between the two sliders 23, so that the two sliders 23 tend to move closer to each other, ensuring that the two cams 15 are always tightly attached to the outer surface of the sliding rod 4, eliminating gaps and effectively transmitting power. A connecting sleeve 25 is rotatably disposed on the slider 23, and a drive rod 24 is provided inside the fixing frame 16. A connection is provided between the drive rod 24 and the connecting sleeve 25. The rotating cylinder 13 has a friction groove 132 inside, and one end of the drive rod 24 passes into the friction groove 132 and is equipped with a friction wheel. The support cylinder 2 drives the fixed frame 16 and the turntable 9 to rotate. When the friction wheel at the end of the drive rod 24 enters the area of ​​the friction groove 132, the friction wheel drives the drive rod 24 to rotate under the action of friction. The power is transmitted to the connecting sleeve 25 through the meshing transmission gear, which drives the movable rod 231 and the two cams 15 fixed on it to rotate, thus completing the intermittent downward feeding of the sliding rod 4.

[0032] The device is moved to the exploration drilling position, the device is anchored to the ground through a plurality of fixing pins 10, and stability during operation is ensured; the motor drives the gear 21 to rotate through the driving shaft 22, thereby driving the rotating cylinder 13, the supporting cylinder 2 and the rotating disc 9 to rotate synchronously, when the friction wheel at the end of the driving rod 24 rotates to the contact area with the friction groove 132 along with the supporting cylinder 2, the driving rod 24 starts to rotate under the action of friction, and further drives the movable rod 231 and the cam 15 to rotate, the sliding rod 4 is axially fed downward along the supporting cylinder 2, the sliding rod 4 drives the rotating block 5 and the crushing teeth 6 at the bottom to move, under the compound motion of revolution and axial feeding, the soil layer at the bottom of the drilling hole is crushed and preliminarily expanded in diameter, and one-time reaming operation is completed; while the one-time reaming is performed, the counterweight block is added into the rotating cylinder 13, the upper pressing disc 26 and the lower pressing disc 17 are close to each other, the movable block 28 is synchronously moved radially outward along the sliding groove 901 through the connecting rod action of the upper transmission plate 29 and the lower transmission plate 18, the transmission rod 27 drives the transmission cylinder 34 to rotate through the cooperation of the transmission key 271 and the key groove of the transmission cylinder 34, the rotating rod 32 is further driven to rotate through the gear set 33, the movable block 28 is moved radially outward, the entire rotating rod 32, the rotating roller 7 and the reaming strip 8 are unfolded outward, a plurality of rotating rollers 7 and reaming strips 8 unfolded radially outward are revolved under the driving of the rotating disc 9, and are simultaneously rotated, the hole wall formed by the one-time reaming of the previous round is cut and trimmed, the secondary reaming is realized, and the designed hole diameter is reached.

[0033] The above merely describes specific implementation manners of the present disclosure, but the protection scope of the present disclosure is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present disclosure, which should be covered within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.

Claims

1. An exploration directional drilling and reaming device, comprising a support frame, characterized in that, Also includes: The rotating roller has a turntable at its center, a support cylinder vertically mounted on the turntable, a rotating tube inside the support cylinder, spiral blades outside the rotating tube, a sliding rod inside the rotating tube, a rotating block at the bottom end of the sliding rod passing through the support cylinder, multiple crushing teeth outside the rotating block, a sliding groove on the turntable, a movable block inside the sliding groove, an upper pressure plate and a lower pressure plate fitted around the support cylinder, multiple upper transmission plates outside the upper pressure plate, a lower transmission plate outside the lower pressure plate, the upper transmission plate rotatably connected to the movable block, a hinge seat on the lower transmission plate, a rotating rod between the movable block and the hinge seat, a rotating roller outside the rotating rod, multiple expanding strips slidably mounted outside the rotating roller, a top plate on the lower transmission plate, and the bottom end of the expanding strips contacting the top plate. The cam has a telescopic rod at the top of the support frame, a movable frame at the top of the telescopic rod, a rotating cylinder on the movable frame, the rotating cylinder being fixedly connected to the support cylinder, a fixed frame at the top of the support cylinder, a slider inside the fixed frame, a movable rod between two sliders, a cam on the movable rod, and the cam contacting the outside of the sliding rod. The drive mechanism is installed outside the movable frame; The transmission mechanism is connected to the rotating rod. The drive mechanism drives the turntable and rotating roller to rotate. The transmission mechanism drives the upper pressure plate and the lower pressure plate to move closer to each other. The lower transmission plate drives multiple rotating rollers to move away from each other. The rotating rollers expand the drilled hole by cooperating with the hole-expanding strip.

2. The exploration directional drilling and reaming device according to claim 1, characterized in that, The driving mechanism includes a gear slot, a gear, and a drive shaft. The gear slot is provided on the outside of the rotating cylinder. A protective box is provided on the movable frame. A power component is provided inside the protective box. A drive shaft is provided at the rotating end of the power component. A gear that meshes with the gear slot is provided on the outside of the drive shaft.

3. The exploration directional drilling and reaming device according to claim 2, characterized in that, A transmission rod is provided inside the sliding groove, a transmission cylinder is provided inside the movable block, a transmission key is provided on the transmission rod, and the transmission cylinder is sleeved on the transmission rod through a keyway opened inside.

4. The exploration directional drilling and reaming device according to claim 3, characterized in that, A gear set is provided between the transmission cylinder and the rotating rod, and a transmission groove is opened inside the support frame, with one end of the transmission rod passing through the transmission groove.

5. The exploration directional drilling and reaming device according to claim 1, characterized in that, The transmission mechanism includes a pressure rod, a rotating wheel, and a traction rope. The pressure rod is provided at the bottom of the upper pressure plate, a fixed plate is provided on the turntable, a rotating wheel is provided on the fixed plate, and a traction rope is provided on the lower pressure plate. One end of the traction rope passes through the rotating wheel and contacts the bottom end of the pressure rod.

6. The exploration directional drilling and reaming device according to claim 1, characterized in that, The fixing frame has a limiting groove inside, the slider is slidably disposed inside the limiting groove, the slider is provided with a connecting sleeve, the fixing frame is provided with a drive rod, and a transmission gear is provided between the drive rod and the connecting sleeve.

7. The exploration directional drilling and reaming device according to claim 6, characterized in that, The rotating cylinder has a friction groove inside, and one end of the drive rod passes through the friction groove and is equipped with a friction wheel.

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