Raise boring machine

Abstract

The raise boring machine comprises a base, a second fixing plate is fixedly installed on the top of the base, a motor is fixedly installed on the second fixing plate, the output end of the motor is rotationally connected with the second fixing plate, and the output end of the motor penetrates through the second fixing plate and is rotationally connected with a rotating rod; the end, away from the motor, of the rotating rod is fixedly connected with a driving gear, the driving gear is located between the two gear racks, and the driving gear is engaged with the two gear racks. Compared with the prior art, a driving gear on a rotating rod is driven by a motor to rotate, so that two gear racks meshed with the driving gear move, a clamp is driven to clamp a drill rod, and a second fixing block is connected through a connecting rod to slide in a second groove; therefore, the clamp connected with the second fixing block is supported.

Description

Technical Field

[0001] The invention relates to the technical field of raise well drilling, and in particular to a raise well drilling rig. Background Art

[0002] In today's mining engineering field, raise boring rigs, as key shaft and tunnel construction equipment, occupy an important position in underground engineering construction. Raise boring rigs transmit torque to the drilling tool system through a hydraulic motor power head, drive the drill rod and drill bit to rotate, and make the roller cutter break the rock. Since the stability of the raise boring rig's performance is crucial to the project efficiency and quality, it is very important to control the performance of the raise boring rig.

[0003] However, when the existing raise drilling rig is operating with a drill pipe, the drill bit of the raise drilling rig will vibrate when drilling, causing the drill pipe to swing greatly during operation, affecting the accuracy of drilling the wellbore and failing to meet engineering requirements. In order to address the deficiencies of the prior art, the present invention proposes a raise drilling rig. Summary of the invention

[0004] In order to solve the above shortcomings and deficiencies of the prior art, an object of the present invention is to provide a raise boring machine.

[0005] The technical solution of the present invention is: a raise drilling rig, comprising: Two auxiliary support plates, the upper surfaces of the two auxiliary support plates are fixedly connected with two hydraulic rods, the hydraulic rods are distributed in a rectangular shape, a hydraulic motor power head is fixedly connected between the four hydraulic rods, and the output end of the hydraulic motor power head is fixedly connected with a drill rod.

[0006] The base has two sides fixedly connected to adjacent sides of the two auxiliary support plates, and the top of the base is provided with a through hole corresponding to the drill rod.

[0007] A sliding guide assembly is slidably connected to the base, and two groups of sliding guide assemblies are provided, and the two groups of sliding guide assemblies are symmetrically arranged.

[0008] Gear bars are fixedly mounted on the side surfaces of the two groups of sliding guide components, and the teeth of the two groups of gear bars are arranged opposite to each other.

[0009] A second fixed plate is fixedly installed on the top of the base, a motor is fixedly installed on the second fixed plate, an output end of the motor is rotatably connected to the second fixed plate, the output end of the motor passes through the second fixed plate and is rotatably connected to a rotating rod, an end of the rotating rod away from the motor is fixedly connected to a driving gear, the driving gear is located between the two groups of gear bars, and the driving gear is meshed with both groups of gear bars.

[0010] To further describe the above technical solution: the sliding guide assembly includes a clamp, the side of the clamp is fixedly connected to the gear bar, the outer wall of the clamp is fixedly connected to a second fixed block, the side of the second fixed block away from the clamp is fixedly connected to a connecting rod, the upper surface of the base is provided with a second groove, the inner wall of the second groove is slidably connected to a slider, and the end of the connecting rod away from the second fixed block is fixedly connected to the slider.

[0011] This is a further description of the above technical solution: first grooves are provided on both sides of the inner wall of the second groove, and limiting blocks are fixedly connected to both sides of the sliding block, and the limiting blocks are slidably connected to the first grooves.

[0012] This is a further description of the above technical solution: it also includes an auxiliary lifting component, which is arranged inside the clamp, and the auxiliary lifting component includes a first fixed plate, which is fixedly connected to the inner wall of the clamp, and a plurality of holes are provided on the first fixed plate, and a plurality of circular grooves are provided on the inner wall of the clamp, and the circular grooves and the inner walls of the holes are rotatably connected with the same ball, and the ball is in contact with the outer wall of the drill rod.

[0013] This is a further description of the above technical solution: a protective cover is fixedly connected to the outer surface of the second fixing plate, and the motor is located inside the protective cover.

[0014] To further describe the above technical solution: a plurality of anti-slip pads are fixedly connected to the lower surface of the auxiliary support plate.

[0015] The beneficial effects of the present invention are as follows: compared with the prior art, the active gear on the rotating rod is driven to rotate by a motor, so that the two gear bars meshing with the active gear move, thereby driving the clamp to clamp the drill pipe, and the second fixed block is connected to slide in the second groove through the connecting rod, thereby supporting the clamp connected to the second fixed block, so that the drill pipe will not swing due to the vibration generated by the drill bit, improving the drilling accuracy of the raise drilling rig and meeting engineering requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A three-dimensional view of the present invention; Figure 2 It is a schematic diagram of the local structure of the present invention; Figure 3 for Figure 2 A magnified image of point A; Figure 4 It is a partial split diagram of the present invention; Figure 5 It is a partial structural diagram of the present invention; Figure 6 It is a diagram showing the local structure of the present invention.

[0017] Legend: 1. Base; 2. Auxiliary support plate; 3. Clamp; 4. First groove; 5. Limit block; 6. Protective cover; 7. Hydraulic motor power head; 8. Hydraulic rod; 9. Auxiliary lifting assembly; 901. Ball; 902. Circular groove; 903. First fixed plate; 904. Hole; 10. Anti-slip pad; 11. Second fixed plate; 12. Motor; 13. Rotating rod; 14. Gear bar; 15. Second groove; 16. Driving gear; 17. Drill rod; 18. Second fixed block; 19. Connecting rod; 20. Sliding block. DETAILED DESCRIPTION

[0018] The invention is further described below in conjunction with the accompanying drawings and specific embodiments: refer to Figures 1 to 6 A reverse drilling rig includes: an auxiliary support plate 2, a base 1, a sliding guide assembly, and an auxiliary lifting assembly 9.

[0019] Two auxiliary support plates 2, the upper surfaces of the two auxiliary support plates 2 are fixedly connected to two hydraulic rods 8, the hydraulic rods 8 are distributed in a rectangular shape, a hydraulic motor power head 7 is fixedly connected between the four hydraulic rods 8, a base 1, both sides of the base 1 are fixedly connected to the adjacent sides of the two auxiliary support plates 2, the top of the base 1 is provided with a through hole corresponding to the drill rod 17, a sliding guide assembly is slidably connected to the base 1, and the sliding guide assembly is provided with two groups, the two groups of sliding guide assemblies are symmetrically arranged, the sides of the two groups of sliding guide assemblies are fixedly installed with gear bars 14, the teeth of the two groups of gear bars 14 are arranged oppositely, a second fixed plate 11 is fixedly installed on the top of the base 1, a motor 12 is fixedly installed on the second fixed plate 11, and the output end of the motor 12 It is rotatably connected to the second fixed plate 11, the output end of the motor 12 passes through the second fixed plate 11 and is rotatably connected to the rotating rod 13, the end of the rotating rod 13 away from the motor 12 is fixedly connected to the driving gear 16, the driving gear 16 is located between the two sets of gear bars 14, and the driving gear 16 is meshed with the two sets of gear bars 14, the sliding guide assembly includes a clamp 3, the side of the clamp 3 is fixedly connected to the gear bar 14, the outer wall of the clamp 3 is fixedly connected to the second fixed block 18, the side of the second fixed block 18 is fixedly connected to the connecting rod 19 away from the clamp 3, the upper surface of the base 1 is provided with a second groove 15, the inner wall of the second groove 15 is slidably connected to the slider 20, and the end of the connecting rod 19 away from the second fixed block 18 is fixedly connected to the slider 20.

[0020] Specifically, the motor 12 drives the driving gear 16 on the rotating rod 13 to rotate. Since the driving gear 16 is meshed with the two gear bars 14, the gear bars 14 move, thereby driving the clamp 3 to clamp the drill rod 17, thereby ensuring the stability of the drill rod 17 during work. At the same time, the second fixed block 18 on the outer wall of the clamp 3 is connected to the connecting rod 19, and the connecting rod 19 is fixedly connected to the slider 20 sliding in the second groove 15 on the upper surface of the base 1, so that the clamp 3 provides stable support when clamping the drill rod 17.

[0021] In one embodiment, the first groove 4 is opened on both sides of the inner wall of the second groove 15, and the limiting blocks 5 are fixedly connected on both sides of the slider 20. The limiting blocks 5 are slidably connected to the first groove 4. The limiting blocks 5 connected to the slider 20 slide inside the first groove 4, thereby ensuring that the sliding support assembly will not fall off during operation.

[0022] In one embodiment, two auxiliary lifting components 9 are further included. The auxiliary lifting components 9 are arranged inside the clamp 3. The auxiliary lifting components 9 include a first fixed plate 903. The first fixed plate 903 is fixedly connected to the inner wall of the clamp 3. A plurality of holes 904 are provided on the first fixed plate 903. The inner wall of the clamp 3 is provided with a plurality of circular grooves 902. The circular grooves 902 and the inner walls of the holes 904 are rotatably connected with the same ball 901. The ball 901 contacts the outer wall of the drill rod 17. The contact between the ball 901 and the drill rod 17 can reduce the friction coefficient between the drill rod 17 and the clamp 3, reduce energy loss, and enable the drill rod 17 to move more smoothly, thereby improving drilling efficiency.

[0023] In one embodiment, a protective cover 6 is fixedly connected to the outer surface of the second fixing plate 11 , and the motor 12 is located inside the protective cover 6 . The protective cover 6 prevents dust from accumulating on the surface of the motor 12 .

[0024] In one embodiment, a plurality of anti-skid pads 10 are fixedly connected to the lower surface of the auxiliary support plate 2. When the raise boring machine works in a humid environment, the anti-skid pads 10 can prevent the raise boring machine from slipping during operation.

[0025] The above contents are further detailed descriptions of the present invention in combination with specific preferred embodiments, and it cannot be determined that the specific implementation of the present invention is limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention, which should be regarded as falling within the protection scope of the present invention.

Claims

1. A raise drilling rig, comprising: Two auxiliary support plates (2), the upper surfaces of the two auxiliary support plates (2) being fixedly connected to two hydraulic rods (8), the hydraulic rods (8) being distributed in a rectangular shape, a hydraulic motor power head (7) being fixedly connected between the four hydraulic rods (8), and a drill rod (17) being fixedly connected to the output end of the hydraulic motor power head (7); It is characterized by further comprising: A base (1), two sides of the base (1) being fixedly connected to adjacent sides of two auxiliary support plates (2), and a through hole corresponding to the drill rod (17) being formed on the top of the base (1); A sliding guide assembly, the sliding guide assembly being slidably connected to the base (1), and the sliding guide assembly is provided in two groups, the two groups of sliding guide assemblies being symmetrically arranged; Gear bars (14) are fixedly mounted on the sides of the two groups of sliding guide assemblies, and the teeth of the two groups of gear bars (14) are arranged opposite to each other; A second fixing plate (11) is fixedly mounted on the top of the base (1), a motor (12) is fixedly mounted on the second fixing plate (11), an output end of the motor (12) is rotatably connected to the second fixing plate (11), the output end of the motor (12) passes through the second fixing plate (11) and is rotatably connected to a rotating rod (13), an end of the rotating rod (13) away from the motor (12) is fixedly connected to a driving gear (16), the driving gear (16) is located between the two groups of gear bars (14), and the driving gear (16) is meshed with both groups of gear bars (14).

2. A raise boring machine according to claim 1, characterized in that: The sliding guide assembly comprises a clamp (3), a side surface of the clamp (3) being fixedly connected to the gear bar (14), an outer wall of the clamp (3) being fixedly connected to a second fixed block (18), a side of the second fixed block (18) away from the clamp (3) being fixedly connected to a connecting rod (19), a second groove (15) being provided on the upper surface of the base (1), a sliding block (20) being slidably connected to the inner wall of the second groove (15), and an end of the connecting rod (19) away from the second fixed block (18) being fixedly connected to the sliding block (20).

3. A raise boring machine according to claim 3, characterized in that: The inner walls of the second groove (15) are provided with first grooves (4) on both sides, and the two sides of the sliding block (20) are fixedly connected to limit blocks (5), and the limit blocks (5) are slidably connected to the first grooves (4).

4. A raise boring machine according to claim 1, characterized in that: The invention also comprises two auxiliary lifting components (9), wherein the auxiliary lifting components (9) are arranged inside the clamp (3), and the auxiliary lifting components (9) comprise a first fixing plate (903), wherein the first fixing plate (903) is fixedly connected to the inner wall of the clamp (3), wherein a plurality of holes (904) are formed on the first fixing plate (903), wherein the inner wall of the clamp (3) is provided with a plurality of circular grooves (902), wherein the circular grooves (902) and the inner walls of the holes (904) are rotatably connected to the same ball (901), and wherein the ball (901) contacts the outer wall of the drill rod (17).

5. A raise boring machine according to claim 1, characterized in that: The outer surface of the second fixing plate (11) is fixedly connected to a protective cover (6), and the motor (12) is located inside the protective cover (6).

6. A raise boring machine according to claim 1, characterized in that: A plurality of anti-slip pads (10) are fixedly connected to the lower surface of the auxiliary support plate (2).

Images