Anti-reverse mechanism for drill bit of drilling machine
By designing an anti-reverse mechanism on the drilling rig, and using a motor-driven gear and clamp system to limit the reverse rotation of the drill bit, the problem of borehole instability caused by accidental drill bit reversal is solved, and safe and controllable rotation of the drill bit is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-20
- Publication Date
- 2026-03-27
AI Technical Summary
Existing drilling rigs lack drill bit anti-reverse mechanisms, which can lead to unexpected drill bit reversal, potentially disrupting borehole stability, causing borehole diameter reduction or collapse, and even resulting in equipment damage and personal injury.
An anti-reverse mechanism was designed, including a second gear and a clamping system driven by a first motor. The drill bit reverses through the cooperation of the clamping groove and the spring. The drill bit reverses in a controlled manner by adjusting the meshing of the second motor and the screw gear through the adjustment mechanism.
It effectively prevents drill bit reversal, maintains borehole stability, avoids equipment damage and personnel injury, and ensures that the drill bit can reverse normally when needed.
Smart Images
Figure CN224049084U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of drilling machine, concretely is a kind of anti-reverse mechanism for drilling machine drill. BACKGROUND
[0002] It is known that drilling machine is a kind of comprehensive mechanical equipment for geological exploration, resource development and engineering drilling, which is composed of power system, transmission mechanism, control device and auxiliary equipment, and realizes drilling, sampling or resource exploitation by driving drill bit to break stratum.
[0003] The prior art has the following disadvantages: most of the existing drilling machines do not have a drill bit anti-reverse mechanism, and accidental reverse of the drill bit may cause damage to the hole wall stability in soft stratum, leading to shrinkage or collapse, and may also cause serious consequences such as equipment damage, personnel injury and geological complexity. UTILITY MODEL CONTENT
[0004] The utility model aims to provide a kind of anti-reverse mechanism for drilling machine drill to solve the above-mentioned deficiencies in the prior art.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: including drilling machine body, the drilling machine body includes moving piece, the side of the moving piece is provided with drill bit body, the side of the moving piece is provided with the anti-reverse mechanism for preventing drill bit reverse, the side of the moving piece is provided with the adjusting mechanism for enabling drill bit to reverse.
[0006] As a further description of the above technical scheme: the anti-reverse mechanism includes first motor, the output shaft of the first motor is connected with second gear, the side of the moving piece is connected with mounting piece, the bottom of the mounting piece is connected with vertical rod.
[0007] As a further description of the above technical scheme: the anti-reverse mechanism further includes first gear with opening in the bottom, the top of the first gear is provided with first through hole, the first through hole is rotatably connected to the outer surface of vertical rod, the other end of the vertical rod is connected with round plate.
[0008] As a further description of the above technical scheme: the outer surface of the round plate is provided with two groups of disconnected places, the inside of the disconnected place is provided with shaft, the outer surface of the shaft is connected with clamping piece, the side of the clamping piece is connected with spring, the other end of the spring is connected to the outer surface of the round plate.
[0009] As a further description of the above technical scheme: the inside of the first gear is provided with clamping groove, the bottom of the first gear is connected with connecting piece, and the first gear can be engaged with the second gear.
[0010] As a further description of the above technical solution: the adjusting mechanism comprises a shell connected to one side of the moving piece, a second motor connected to the top of the shell, and an output shaft of the second motor penetrating through the shell and connected with a screw rod.
[0011] As a further description of the above technical solution: the outer surface of the screw rod is threadedly connected with a threaded seat connected to the outer surface of the first motor.
[0012] As a further description of the above technical solution: the drill bit body is rotationally connected to the bottom of the connecting piece, a second through hole is formed through the outer surface of the drill bit body, a third gear is connected to the outer surface of the drill bit body, and the third gear can be engaged with the second gear.
[0013] As a further description of the above technical solution: the bottom of the connecting piece is connected with two groups of vertical plates, the vertical plates are connected with electric telescopic rods, one end of the electric telescopic rods is movably inserted into the second through hole, one end of one group of the electric telescopic rods is connected with a male piece, one end of the other group of the electric telescopic rods is connected with a female piece, and the male piece is movably inserted into the female piece.
[0014] In the above technical solution, the anti-reverse mechanism for the drill bit of the drilling machine has the following beneficial effects:
[0015] 1. By arranging the anti-reverse mechanism, the first motor can be controlled to rotate in the forward direction to drive the second gear to rotate on the outer surface of the vertical rod, the clamping piece can rotate along the direction of the clamping groove with the rotating shaft as the center, the spring circulates in the state of being squeezed and restored, the first gear drives the drill bit body to rotate, and the first gear cannot rotate in the reverse direction at this time. Once the first gear is subjected to a reverse rotating force, the clamping groove will immediately limit the clamping piece, thereby solving the problem that accidental reverse rotation of the drill bit may cause the reverse rotation to damage the stability of the hole wall in the soft ground layer, cause the diameter to shrink or collapse, and also may cause serious consequences such as equipment damage, personnel injury, and geological complication.
[0016] 2. By arranging the adjusting mechanism, the second motor can be controlled to drive the screw rod to rotate, drive the threaded seat to move, drive the second gear to move downward, make the second gear engage with the third gear, and at this time the male piece and the female piece are not inserted into the second through hole. At this time, the first motor can be controlled to reverse, driving the drill bit body to reverse, so that the drill bit body can be controlled to reverse when it needs to be reversed. BRIEF DESCRIPTION OF DRAWINGS
[0017] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.
[0018] Figure 1 A structural schematic diagram provided for an embodiment of this utility model;
[0019] Figure 2 This is a schematic diagram of the structure of the vertical rod provided in an embodiment of the present utility model;
[0020] Figure 3 This is a schematic diagram of the structure of the first through hole provided in an embodiment of the present utility model;
[0021] Figure 4 This is a schematic diagram of the card slot provided in an embodiment of the present utility model;
[0022] Figure 5 for Figure 4 Enlarged view of point A in the middle;
[0023] Figure 6 This is a schematic diagram of the structure of the second through hole provided in an embodiment of the present utility model;
[0024] Figure 7 This is a schematic diagram of the screw structure provided in an embodiment of the present utility model.
[0025] Explanation of reference numerals in the attached figures:
[0026] 1. Drill rig body; 2. Anti-reverse mechanism; 201. First motor; 202. Mounting component; 203. Vertical rod; 204. First through hole; 205. First gear; 206. Circular plate; 207. Slot; 208. Rotating shaft; 209. Clamp; 2010. Spring; 2011. Second gear; 2012. Disconnection point; 2013. Connecting component; 3. Adjustment mechanism; 301. Housing; 302. Vertical plate; 303. Electric telescopic rod; 304. Protrusion; 305. Concave part; 306. Second through hole; 307. Third gear; 308. Second motor; 309. Threaded seat; 3010. Screw; 4. Moving component; 5. Drill bit body. Detailed Implementation
[0027] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.
[0028] Please see Figures 1-7The utility model discloses an embodiment provides a technical scheme: including the drill rig body 1, the drill rig body 1 includes the moving piece 4, the one side of moving piece 4 is provided with drill bit body 5, the one side of moving piece 4 is provided with the anti -reversal mechanism 2 for preventing the drill bit reverse, the one side of moving piece 4 is provided with the adjusting mechanism 3 for making the drill bit can reverse.
[0029] Another embodiment of the utility model provides, preferably, the anti -reversal mechanism 2 includes first motor 201, the output shaft of first motor 201 is connected with second gear 2011, the one side of moving piece 4 is connected with mounting piece 202, the bottom of mounting piece 202 is connected with vertical rod 203, through the setting of first motor 201, can drive second gear 2011 rotation through the control first motor 201, drive first gear 205 or third gear 307 rotation through second gear 2011.
[0030] Another embodiment of the utility model provides, the anti -reversal mechanism 2 still includes the first gear 205 that the bottom is provided with the opening, the first gear 205 top is provided with first through -hole 204, and first through -hole 204 is rotatably connected on the outer surface of vertical rod 203, and the other end of vertical rod 203 is connected with round plate 206, through the setting of first gear 205, can make first gear 205 rotatably connected on the outer surface of vertical rod 203, can drive first gear 205 rotation through second gear 2011, and first gear 205 rotation will not drive round plate 206 rotation.
[0031] Another embodiment of the utility model provides, the outer surface of round plate 206 is provided with two groups of disconnected place 2012, and the inside of disconnected place 2012 is provided with shaft 208, and the outer surface of shaft 208 is connected with clamp piece 209, and the one side of clamp piece 209 is connected with spring 2010, and the other end of spring 2010 is connected on the outer surface of round plate 206, through the setting of spring 2010, can when first gear 205 forward rotation, clamp piece 209 follows along with the clamping groove 207 and rotates with shaft 208 as the center, and spring 2010 circulates under the extrusion and recovery state, once first gear 205 is subjected to the force of reverse rotation, and the clamping groove 207 will immediately limit clamp piece 209, prevent first gear 205 reverse.
[0032] Another embodiment of the utility model provides, the inside of first gear 205 is provided with clamping groove 207, and the bottom of first gear 205 is connected with connecting piece 2013, and first gear 205 can be engaged with second gear 2011, through the setting of connecting piece 2013, can drive connecting piece 2013 rotation, drive drill bit body 5 rotation when first gear 205 rotation, prevent first gear 205 reverse, thereby prevent drill bit body 5 reverse.
[0033] The utility model provides a still another embodiment provided by the utility model discloses a adjusting mechanism 3 includes the casing 301, and the casing 301 is connected in the one side of moving piece 4, and the top of casing 301 is connected with second motor 308, and the output shaft of second motor 308 penetrates casing 301 and is connected with screw rod 3010, through the setting of second motor 308, can drive screw rod 3010 to rotate in the inside of casing 301 through the control of second motor 308.
[0034] The utility model provides a still another embodiment provided by the utility model discloses a screw rod 3010's outer surface is connected with the thread seat 309 in the screw, and the thread seat 309 is connected in the outer surface of first motor 201, through the setting of thread seat 309, can drive the thread seat 309 of outer surface connection to slide in the inside of casing 301 when screw rod 3010 rotates, thereby drive first motor 201 and second gear 2011 can move up and down, adjust second gear 2011 and first gear 205 or third gear 307 meshing connection.
[0035] The utility model provides a still another embodiment provided by the utility model discloses a drill bit body 5 rotatory connection in the bottom of connecting piece 2013, and the second through -hole 306 is set up in the outer surface penetration of drill bit body 5, and the outer surface of drill bit body 5 is connected with third gear 307, and third gear 307 can be engaged with second gear 2011, through the setting of second through -hole 306, whether connecting piece 2013 and drill bit body 5 need to rotate together can be adjusted.
[0036] The utility model provides a still another embodiment provided by the utility model discloses that the bottom of connecting piece 2013 is connected with two groups of vertical plate 302, and one side of vertical plate 302 is connected with electric telescopic handle 303, and one end of electric telescopic handle 303 is movably inserted in the inside of second through -hole 306, and one end of a group of electric telescopic handle 303 is connected with male piece 304, and one end of another group of electric telescopic handle 303 is connected with female piece 305, and one end of male piece 304 is movably inserted in the inside of female piece 305, through the setting of electric telescopic handle 303, can drive male piece 304 and female piece 305 to move through the control of two groups of electric telescopic handle 303, when male piece 304 and female piece 305 butt joint in second through -hole 306, drill bit body 5 and connecting piece 2013 will rotate together, when second gear 2011 meshing connection first gear 205, male piece 304 and female piece 305 all are located in second through -hole 306 when, drill bit body 5 and connecting piece 2013 will not rotate together, when second gear 2011 meshing connection third gear 307, can make drill bit body 5 reverse.
[0037] Working principle: through the second gear 2011 and first gear 205 meshing connection, then control first motor 201 forward rotation drive second gear 2011 on the outer surface of the vertical rod 203 rotation, card piece 209 will follow the direction of the card slot 207 rotation with pivot 208 as the center, spring 2010 in the extrusion and recovery state cycle, first gear 205 drive drill bit body 5 rotation, and at this time first gear 205 cannot reverse rotation, once first gear 205 is subjected to reverse rotation force, the card slot 207 will immediately limit the card piece 209, when first gear 205 rotates, recessed part 305 and protruding part 304 are inserted into the second through hole 306 inside, will drive connecting piece 2013 rotation, drive drill bit body 5 rotation, by preventing first gear 205 reverse rotation, thereby preventing drill bit body 5 reverse rotation, when needing drill bit body 5 reverse rotation, through control second motor 308 drive screw 3010 rotation, drive threaded seat 309 movement, drive second gear 2011 down, make second gear 2011 and third gear 307 meshing, and at the same time control electric telescopic rod 303, make protruding part 304 and recessed part 305 are located outside the second through hole 306, at this time control first motor 201 reverse rotation, can drive drill bit body 5 reverse rotation.
[0038] The above only describes certain exemplary embodiments of the present application by way of illustration, without doubt, for those skilled in the art, without departing from the spirit and scope of the present application, the described embodiments can be modified in various ways. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the present application.
Claims
1. A reverse prevention mechanism for a drill bit of a drilling rig, characterized by, The drilling machine body (1) comprises a moving part (4), one side of the moving part (4) is provided with a drill bit body (5), one side of the moving part (4) is provided with an anti-reverse mechanism (2) for preventing the drill bit from reversing, and one side of the moving part (4) is provided with an adjusting mechanism (3) for enabling the drill bit to reverse. The anti-reverse mechanism (2) comprises a first motor (201), the output shaft of the first motor (201) is connected with a second gear (2011), one side of the moving part (4) is connected with a mounting part (202), and the bottom of the mounting part (202) is connected with a vertical rod (203).
2. A back rotation preventing mechanism (2) for a drill bit of a drilling rig according to claim 1, characterized in that The anti-reverse mechanism (2) further comprises a first gear (205) with an opening in the bottom, a first through hole (204) is formed in the top of the first gear (205), the first through hole (204) is rotatably connected to the outer surface of the vertical rod (203), and the other end of the vertical rod (203) is connected with a circular plate (206).
3. A back rotation preventing mechanism (2) for a drill bit of a drilling rig according to claim 2, characterized in that Two groups of broken parts (2012) are formed in the outer surface of the circular plate (206), a rotating shaft (208) is arranged in the inner part of the broken part (2012), the outer surface of the rotating shaft (208) is connected with a clamping part (209), one side of the clamping part (209) is connected with a spring (2010), and the other end of the spring (2010) is connected to the outer surface of the circular plate (206).
4. A back rotation preventing mechanism (2) for a drill bit of a drilling rig according to claim 3, characterized in that A clamping groove (207) is formed in the inner part of the first gear (205), the bottom of the first gear (205) is connected with a connecting part (2013), and the first gear (205) can be engaged with the second gear (2011).
5. A back-off prevention mechanism (2) for a drill bit of a drilling rig according to claim 4, characterized in that The adjusting mechanism (3) comprises a shell (301), the shell (301) is connected to one side of the moving part (4), the top of the shell (301) is connected with a second motor (308), the output shaft of the second motor (308) penetrates through the shell (301) and is connected with a screw rod (3010).
6. A back-off prevention mechanism (2) for a drill bit of a drilling rig according to claim 5, characterized in that The outer surface of the screw rod (3010) is threadedly connected with a threaded seat (309), and the threaded seat (309) is connected to the outer surface of the first motor (201).
7. A back-off prevention mechanism (2) for a drill bit of a drilling rig according to claim 6, characterized in that The drill bit body (5) is rotatably connected to the bottom of the connecting part (2013), a second through hole (306) is formed in the outer surface of the drill bit body (5), the outer surface of the drill bit body (5) is connected with a third gear (307), and the third gear (307) can be engaged with the second gear (2011).
8. A back rotation preventing mechanism (2) for a drill bit of a drilling rig according to claim 7, characterized in that The bottom of the connecting part (2013) is connected with two groups of vertical plates (302), one side of the vertical plate (302) is connected with an electric telescopic rod (303), one end of the electric telescopic rod (303) is movably inserted into the inner part of the second through hole (306), one end of one group of electric telescopic rods (303) is connected with a male part (304), one end of the other group of electric telescopic rods (303) is connected with a female part (305), and one end of the male part (304) is movably inserted into the inner part of the female part (305).