Drill stand of raise boring machine

By introducing a multi-angle adjustment and feeding mechanism into the drill frame of the raise boring machine, the problems of vertical movement limitation of the raise boring machine frame and low drill pipe efficiency have been solved, enabling multi-angle drilling and efficient drill pipe operation.

CN223854177UActive Publication Date: 2026-01-30SINOHYDRO BEREAU 10 CO LTD
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Patent Information

Application Number
CN202520781590.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-23
Publication Date
2026-01-30
Estimated Expiration
2035-04-23

AI Technical Summary

Technical Problem

The existing design of the drill frame of the raise boring machine limits the operation of the actuator to vertical downwards, which restricts its application scenarios. Furthermore, the lack of a feeding mechanism results in low efficiency in drill pipe installation and disassembly.

Method used

A raised well drilling rig frame was designed, comprising a base, mounting frame, hydraulic cylinder, piston rod, hydraulic motor, and feeding mechanism. The tilt angle of the mounting frame can be adjusted by the hydraulic cylinder to achieve multi-angle drilling, and the feeding mechanism improves the efficiency of drill rod installation and disassembly.

Benefits of technology

It enables multi-angle drilling capabilities of the riser drill pipe and efficient installation and disassembly of the drill pipe, expanding the application scenarios and improving operational efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The raise boring machine comprises a third oil cylinder, a chuck, a piston rod, a drill rod and a hydraulic motor, the hydraulic motor is installed on the side wall of the third oil cylinder, the upper portion of the chuck is installed below a rotating shaft of the hydraulic motor, and the drill rod is installed below the chuck. The raise boring machine drilling rig comprises a base, a mounting frame, two first oil cylinders, two second oil cylinders and a feeding mechanism. According to the device, the oil cylinders, the piston rod and the hydraulic motor of the raise boring machine are installed on the installation frame, then the bottom of the installation frame is rotatably installed on the base, and then the inclination angle of the installation frame is adjusted and supported through the two sets of oil cylinders on the two sides; a drill rod of the raise boring machine can sequentially penetrate downwards from the first through groove in the bottom of the mounting frame and the second through groove in the base in a multi-angle mode to act on a target, and the multi-angle drilling and tapping scene can be used. The feeding mechanism is used for feeding and discharging the drill rods in a matched mode, so that the mounting and dismounting efficiency of the drill rods is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a reverse drilling rig technical field especially relates to a reverse drilling rig drilling rig. BACKGROUND

[0002] The reverse drilling rig is driven by the motor of the drilling rig, the hydraulic motor drives the faucet, and the torque is transmitted to the drilling tool system by the hydraulic power, the drilling rod and the drill bit are rotated, the hob on the pilot hole drill bit or the reaming drill bit does the pure rolling or the micro slip under the action of the drilling pressure along the bottom rock working surface. Meanwhile, the axial tension and compression force generated by the main engine oil cylinder also acts on the pilot hole drill bit or the reaming drill bit through the power head and the drilling rod, so that the hob of the pilot hole drill bit rolls under the action of the drilling pressure, impact load is generated, the hob teeth produce impact, extrusion and shearing effect on the rock, and the rock is broken. The reverse drilling rig drilling rig is the mechanism of bearing the action part of the reverse drilling rig.

[0003] The reverse drilling rig drilling rig in the prior art has the following problems:

[0004] The design of the reverse drilling rig drilling rig leads to the action of the action part only vertically downward, so that the use scene is limited.

[0005] The reverse drilling rig drilling rig does not have a feeding mechanism to cooperate with the feeding and discharging of the drilling rod, so that the installation and disassembly efficiency of the drilling rod is low.

[0006] Therefore, a reverse drilling rig drilling rig needs to be developed to solve the above problems. UTILITY MODEL CONTENTS

[0007] The utility model aims at solving the above problems and designs a reverse drilling rig drilling rig.

[0008] The utility model realizes the above-mentioned purposes through the following technical schemes:

[0009] The reverse drilling rig drilling rig, the reverse drilling rig includes the third oil cylinder, the chuck, the piston rod, the drilling rod, the hydraulic motor, the hydraulic motor is installed on the side wall of the third oil cylinder, the chuck is installed below the rotating shaft of the hydraulic motor, the drilling rod is installed below the chuck, and the reverse drilling rig drilling rig includes:

[0010] The base is provided with a second through groove in the length direction;

[0011] The mounting frame is provided with a first through groove in the length direction at the bottom; the two sides of the bottom of the mounting frame are hinged to the middle part of the base through the hinge seat; the piston rod is vertically installed in the mounting frame, and the third oil cylinder and the piston rod are cooperatively installed; the drilling rod is sequentially arranged downwards through the first through groove and the second through groove;

[0012] Two first oil cylinders; the fixed ends of the two first oil cylinders are respectively installed on the upper sides of the first end of the base through hinges, the acting ends of the two first oil cylinders are respectively installed on the upper sides of the first side of the mounting frame through hinges, and the two first oil cylinders are parallel to each other;

[0013] Two second oil cylinders; the fixed ends of the two second oil cylinders are respectively installed on the upper sides of the second end of the base through hinges, the acting ends of the two second oil cylinders are respectively installed on the middle of the second side of the mounting frame through hinges, and the two second oil cylinders are parallel to each other;

[0014] A feeding mechanism; the feeding mechanism is installed on the second side of the mounting frame and is used for feeding and discharging the drill rod.

[0015] The utility model discloses the beneficial effects are that:

[0016] In the application, the oil cylinder, piston rod and hydraulic motor of the inhole drill are installed on the mounting frame, then the mounting frame bottom is rotatably installed on the base, the inclination angle of the mounting frame is adjusted by two groups of oil cylinders on both sides, and the mounting frame is supported, the drill rod of the inhole drill can be sequentially passed downwards from the first through slot in the mounting frame bottom and the second through slot on the base to act on the target, and multi-angle drilling and opening hole scenes can be used.

[0017] In the application, the feeding mechanism is used to cooperate with the feeding and discharging of the drill rod, so that the installation and disassembly efficiency of the drill rod is improved. DRAWINGS

[0018] Figure 1 It is the installation structure schematic drawing of the mounting frame on the base in the application;

[0019] Figure 2 It is the side surface structure schematic drawing of the mounting frame in the application;

[0020] Figure 3 It is the structure schematic drawing of the through slot in the application;

[0021] Figure 4 It is the structure schematic drawing of the feeding mechanism in the application;

[0022] Figure 5 It is the top view of the horizontal arm in the application;

[0023] Figure 6 It is the structure schematic drawing of the conveying belt in the application;

[0024] Figure 7 It is the cooperation structure schematic drawing of the conveying belt and the feeding mechanism in the application;

[0025] Figure 8 It is the top view of the base in the application.

[0026] Legend: 1-base, 2-first hinged seat, 3-mounting frame, 4-second hinged seat, 5-first oil cylinder, 6-third hinged seat, 7-fourth hinged seat, 8-second oil cylinder, 9-fifth hinged seat, 10-feeding mechanism, 11-third oil cylinder, 12-chuck, 13-piston rod, 14-drill rod, 15-first through slot, 16-fourth oil cylinder, 17-fifth oil cylinder, 18-first chuck, 19-second chuck, 20-conveying belt, 21-hydraulic motor, 22-connection seat, 23-sixth hinged seat, 24-vertical arm, 25-seventh hinged seat, 26-sixth oil cylinder, 27-eighth hinged seat, 28-cross arm, 29-ninth hinged seat, 30-tenth hinged seat, 31-seventh oil cylinder, 32-eleventh hinged seat, 33-third chuck, 34-fourth chuck, 35-eighth oil cylinder, 36-connection block, 37-second through slot. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0028] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without creative labor are within the scope of protection of the present application.

[0029] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0030] In the description of the present application, it should be understood that the terms "upper", "lower", "inner", "outer", "left", "right" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the product of the present application is used, or the orientation or positional relationship commonly understood by those skilled in the art, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0031] In addition, the terms "first", "second" and the like are only used for differentiation in description, and cannot be understood as indicating or implying relative importance.

[0032] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, terms such as "set" and "connection" should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0033] The specific embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0034] like Figure 1 and 2 As shown in Figure 8, the raise boring machine (RBM) includes a third hydraulic cylinder 11, a chuck 12, a piston rod 13, a drill pipe 14, and a hydraulic motor 21 (the structure and related connections of the third hydraulic cylinder 11, chuck 12, piston rod 13, drill pipe 14, and hydraulic motor 21 are existing technologies and will not be described in detail here). The hydraulic motor 21 is mounted on the side wall of the third hydraulic cylinder 11, above the chuck 12 and below the shaft of the hydraulic motor 21, and the drill pipe 14 is mounted below the chuck 12. The RBM includes:

[0035] Base 1; a second through groove 37 is provided on the base 1 along its length direction; the length of the second through groove 37 is greater than the length of the first through groove 15, and the second through groove 37 is located directly below the first through groove 15;

[0036] Mounting frame 3; a first through groove 15 is provided at the bottom of the mounting frame 3 along its length; the bottom two sides of the mounting frame 3 are respectively hinged to the middle of the base 1 through the first hinge seat 2; the piston rod 13 is vertically installed in the mounting frame 3, and the third oil cylinder 11 and the piston rod 13 are installed together; the drill rod 14 is set to pass through the first through groove 15 and the second through groove 37 in sequence downwards;

[0037] Two first hydraulic cylinders 5; the fixed ends of the two first hydraulic cylinders 5 are respectively installed on the upper sides of the first end of the base 1 through the second hinge 4, and the working ends of the two first hydraulic cylinders 5 are respectively installed on the upper sides of the first side of the mounting frame 3 through the third hinge 6, and the two first hydraulic cylinders 5 are parallel to each other.

[0038] Two second hydraulic cylinders 8; the fixed ends of the two second hydraulic cylinders 8 are respectively installed on the upper sides of the second end of the base 1 through the fourth hinge 7, and the working ends of the two second hydraulic cylinders 8 are respectively installed in the middle of the second side of the mounting frame 3 through the fifth hinge 9. The two second hydraulic cylinders 8 are parallel to each other.

[0039] Feeding mechanism 10; The feeding mechanism 10 is installed on the second side of the mounting frame 3 and is used for feeding and unloading the drill rod 14.

[0040] In some embodiments, as shown in Figure 3 the anti-well drilling machine drilling frame further comprises a fourth oil cylinder 16, a fifth oil cylinder 17, a first clamp 18, and a second clamp 19. The fixed ends of the fourth oil cylinder 16 and the fifth oil cylinder 17 are respectively mounted on the inner bottom of the mounting frame 3 and located on both sides of the first through slot 15. The piston rods of the fourth oil cylinder 16 and the fifth oil cylinder 17 are arranged on the same straight line, and the piston rods of the fourth oil cylinder 16 and the fifth oil cylinder 17 are perpendicular to the rotating shaft of the hydraulic motor 21. The piston rod of the fourth oil cylinder 16 is connected with the first end of the first clamp 18, and the piston rod of the fifth oil cylinder 17 is connected with the first end of the second clamp 19. The second end of the first clamp 18 and the second end of the second clamp 19 are both formed with an inner concave arc surface. The diameter of the inner concave arc surface is the same as the diameter of the drill pipe 14.

[0041] In some embodiments, as shown in Figure 4 the feeding mechanism 10 comprises a connecting seat 22, a vertical arm 24, a horizontal arm 28, a clamping mechanism, a sixth oil cylinder 26, and a seventh oil cylinder 31. The connecting seat 22 is horizontally arranged, and the first end of the connecting seat 22 is connected with the second side of the mounting frame 3. The second end of the connecting seat 22 is hingedly connected with the first side of the vertical arm 24 through a sixth hinge seat 23. The fixed end of the sixth oil cylinder 26 is hingedly connected with one side wall of the connecting seat 22 through a seventh hinge seat 25. The piston rod of the sixth oil cylinder 26 is hingedly connected with the second side of the vertical arm 24 through an eighth hinge seat 27. The first side and the second side of the vertical arm 24 are perpendicular to each other, and the sixth oil cylinder 26 is arranged along the length direction of the vertical arm 24. The first end of the horizontal arm 28 is hingedly connected with the upper end of the vertical arm 24 through a ninth hinge seat 29. The second end of the horizontal arm 28 is connected with the clamping mechanism. The fixed end of the seventh oil cylinder 31 is hingedly connected with the second side of the vertical arm 24 through a tenth hinge seat 30. The piston rod of the seventh oil cylinder 31 is hingedly connected with the clamping mechanism through an eleventh hinge seat 32. The seventh oil cylinder 31 is arranged along the length direction of the horizontal arm 28. The vertical arm 24 is perpendicular to the horizontal arm 28, and the rotating plane of the vertical arm 24 is perpendicular to the rotating plane of the horizontal arm 28.

[0042] In some embodiments, as shown in Figure 4 and 5As shown, the cross arm 28 comprises a first connecting plate, a second connecting plate, and a third connecting plate, the first end of the first connecting plate is connected to the first end of the second connecting plate on the first side, the second end of the second connecting plate is connected to the first end of the third connecting plate on the second side, the first side of the second connecting plate and the second side of the second connecting plate are opposite sides, the first connecting plate is parallel to the third connecting plate, the second connecting plate is perpendicular to the first connecting plate and the third connecting plate, and the second end of the third connecting plate is connected to the clamping mechanism; when the seventh oil cylinder 31 is in the initial state, the first connecting plate is placed outside the third side of the vertical arm 24 and parallel to the third side of the vertical arm 24, and the second connecting plate is placed outside the fourth side of the vertical arm 24 and parallel to the fourth side of the vertical arm 24, the third side of the vertical arm 24 is opposite to the first side of the vertical arm 24, and the fourth side of the vertical arm 24 is opposite to the second side of the vertical arm 24.

[0043] In some embodiments, as shown in Figure 4 As shown, the clamping mechanism comprises a third chuck 33, a fourth chuck 34, an eighth oil cylinder 35, and a connecting block 36, the third chuck 33 and the fourth chuck 34 are arranged in parallel, the first side of the third chuck 33 is connected to the second end of the third connecting plate, the first side of the third chuck 33 is also connected to the piston rod of the seventh oil cylinder 31 through a hinge seat, the eighth oil cylinder 35 is horizontally installed on the second side of the third chuck 33, the connecting block 36 is horizontally installed on the first side of the fourth chuck 34, the piston rod of the eighth oil cylinder 35 is connected to the connecting block 36, the first side and the second side of the third chuck 33 are two mutually perpendicular sides, the third side of the third chuck 33 and the second side of the fourth chuck 34 are arranged opposite to each other, and the first side and the second side of the fourth chuck 34 are two mutually perpendicular sides.

[0044] In some embodiments, as shown in Figure 4 As shown, the third side of the third chuck 33 and the second side of the fourth chuck 34 are both formed with an inner concave arc surface, and the diameter of the inner concave arc surface is the same as the diameter of the drill rod 14.

[0045] In some embodiments, as shown in Figure 6 and 7 As shown in the drawings, the reverse drilling rig derrick further comprises a conveying belt 20, which is installed on one side of the base 1 and placed below the outside of the installation frame 3, and is used for conveying the drill rod 14.

[0046] Working principle: during the working of the present application, the first oil cylinder 5 and the second oil cylinder 8 are started according to the designed drilling angle, the first oil cylinder 5 and the second oil cylinder 8 cooperate (one pushes and one pulls) to fix the installation frame 3 to the designed drilling angle, and the feeding mechanism 10 is initially as shown in Figure 4In the shown posture, during work, the sixth oil cylinder 26 is fully retracted, the vertical arm 24 is switched from the vertical posture to the horizontal posture, the horizontal arm 28 is switched from the horizontal posture to the vertical posture, then the seventh oil cylinder 31 is fully extended, the horizontal arm 28 is switched from the vertical posture to the horizontal posture, and the opened clamping mechanism is sleeved outside the drill pipe 14 on the conveying belt 20, then the eighth oil cylinder 35 is retracted, the drill pipe 14 is clamped between the third clamp head 33 and the fourth clamp head 34; then the seventh oil cylinder 31 is fully retracted, the horizontal arm 28 is switched from the horizontal posture to the vertical posture, the sixth oil cylinder 26 is fully extended, the vertical arm 24 is switched from the horizontal posture to the vertical posture, at this time, the seventh oil cylinder 31 is fully extended again, the horizontal arm 28 is horizontally rotated by 90°, the clamping mechanism clamps the drill pipe 14 to be below the clamp head 12, the third oil cylinder 11 drives the clamp head 12 to move downwards, the upper end of the drill pipe 14 is installed on the clamp head 12, then the third clamp head 33 and the fourth clamp head 34 of the clamping mechanism are opened, the seventh oil cylinder 31 is retracted again, and the horizontal arm 28 returns to the original position; when it is necessary to increase the drill pipe 14, the third oil cylinder 11 moves downwards, the fourth oil cylinder 16 and the fifth oil cylinder 17 work, the drill pipe 14 is clamped and fixed from below through the first clamp head 18 and the second clamp head 19, the clamp head 12 is disconnected again, the third oil cylinder 11 moves upwards, the drill pipe 14 to be increased is clamped above the previous drill pipe 14 through the feeding mechanism 10, then the drill pipe 14 to be increased is connected below with the upper end of the previous drill pipe 14, and the drill pipe 14 to be increased is connected with the clamp head 12.

[0047] The preferred embodiments of the present application are described above, it should be noted that, for those skilled in the art, without departing from the technical principles of the present application, a number of improvements and refinements can be made, these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. A reverse circulation drilling rig mast, the reverse circulation drilling rig comprising a third oil cylinder, a chuck, a piston rod, a drill rod, a hydraulic motor, the hydraulic motor being installed on a side wall of the third oil cylinder, the chuck being installed above the hydraulic motor below a rotating shaft of the hydraulic motor, the drill rod being installed below the chuck, characterized in that, The anti-well drilling machine drilling frame comprises: a base, a second through slot is formed in the base along the length direction of the base; a mounting frame, a first through slot is formed in the bottom of the mounting frame along the length direction of the mounting frame, the bottom of the mounting frame is hingedly connected to the middle part of the base through hinges on both sides of the bottom of the mounting frame, a piston rod is vertically installed in the mounting frame, a third oil cylinder is installed in cooperation with the piston rod, and a drill rod is sequentially arranged downwards through the first through slot and the second through slot; two first oil cylinders, the fixed ends of the two first oil cylinders are installed above the first ends of the base on both sides, the acting ends of the two first oil cylinders are installed above the first side of the mounting frame through hinges, and the two first oil cylinders are parallel to each other; two second oil cylinders, the fixed ends of the two second oil cylinders are installed above the second ends of the base on both sides, the acting ends of the two second oil cylinders are installed in the middle part of the second side of the mounting frame through hinges, and the two second oil cylinders are parallel to each other; a feeding mechanism, the feeding mechanism is installed on the second side of the mounting frame and is used for feeding and discharging the drill rod.

2. The rig of claim 1, wherein, The anti-well drilling machine drilling frame further comprises a fourth oil cylinder, a fifth oil cylinder, a first chuck and a second chuck, the fixed ends of the fourth oil cylinder and the fifth oil cylinder are installed on the inner bottom of the mounting frame on both sides of the first through slot, the piston rods of the fourth oil cylinder and the fifth oil cylinder are arranged on the same straight line, the piston rods of the fourth oil cylinder and the fifth oil cylinder are perpendicular to the rotating shaft of the hydraulic motor, the piston rod of the fourth oil cylinder is connected to the first end of the first chuck, the piston rod of the fifth oil cylinder is connected to the first end of the second chuck, and the second end of the first chuck and the second end of the second chuck are formed with concave arc surfaces.

3. The rig of claim 2, wherein, The diameter of the concave arc surface is the same as the diameter of the drill rod.

4. The rig of claim 1, wherein, The feeding mechanism comprises a connecting seat, a vertical arm, a horizontal arm, a clamping mechanism, a sixth oil cylinder and a seventh oil cylinder, the connecting seat is horizontally arranged, the first end of the connecting seat is connected to the second side of the mounting frame, the second end of the connecting seat is hingedly connected to the first side of the vertical arm through a hinge, the fixed end of the sixth oil cylinder is hingedly connected to one side wall of the connecting seat through a hinge, the piston rod of the sixth oil cylinder is hingedly connected to the second side of the vertical arm through a hinge, the first side and the second side of the vertical arm are perpendicular to each other, and the sixth oil cylinder is arranged along the length direction of the vertical arm; the first end of the horizontal arm is hingedly connected to the upper end of the vertical arm through a hinge, the second end of the horizontal arm is connected to the clamping mechanism, the fixed end of the seventh oil cylinder is hingedly connected to the second side of the vertical arm through a hinge, the piston rod of the seventh oil cylinder is hingedly connected to the clamping mechanism through a hinge, the seventh oil cylinder is arranged along the length direction of the horizontal arm, the vertical arm is perpendicular to the horizontal arm, and the rotating plane of the vertical arm is perpendicular to the rotating plane of the horizontal arm.

5. The rig of claim 4, wherein, The cross arm comprises a first connecting plate, a second connecting plate and a third connecting plate, the first end of the first connecting plate is connected to the first end of the second connecting plate on the first side, the second end of the second connecting plate is connected to the first end of the third connecting plate on the second side, the first side of the second connecting plate is opposite to the second side of the second connecting plate, the first connecting plate is parallel to the third connecting plate, the second connecting plate is perpendicular to the first connecting plate and the third connecting plate, and the second end of the third connecting plate is connected to the clamping mechanism; when the seventh oil cylinder is in an initial state, the first connecting plate is arranged outside the third side of the vertical arm and parallel to the third side of the vertical arm, the second connecting plate is arranged outside the fourth side of the vertical arm and parallel to the fourth side of the vertical arm, the third side of the vertical arm is opposite to the first side of the vertical arm, and the fourth side of the vertical arm is opposite to the second side of the vertical arm.

6. The rig of claim 5, wherein, The clamping mechanism comprises a third chuck, a fourth chuck, an eighth oil cylinder and a connecting block, the third chuck and the fourth chuck are arranged in parallel, the first side of the third chuck is connected to the second end of the third connecting plate, the first side of the third chuck is also connected to the piston rod of the seventh oil cylinder through a hinge seat, the eighth oil cylinder is horizontally installed on the second side of the third chuck, the connecting block is horizontally installed on the first side of the fourth chuck, the piston rod of the eighth oil cylinder is connected to the connecting block, the first side and the second side of the third chuck are perpendicular to each other, the third side of the third chuck is arranged opposite to the second side of the fourth chuck, and the first side and the second side of the fourth chuck are perpendicular to each other.

7. The rig of claim 6, wherein, The third side of the third chuck and the second side of the fourth chuck are formed with concave arc surfaces, and the diameters of the concave arc surfaces are the same as the diameter of the drill rod.

8. The rig of claim 1, wherein, The drilling rig of the reverse well further comprises a conveying belt, the conveying belt is installed on one side of the base and arranged below the outside of the mounting frame, and the conveying belt is used for conveying the drill rod.