A crawler type rotary drilling rig

Abstract

The present invention belongs to the field of construction machinery, and in particular to a crawler type rotary drilling rig. Aiming at the problem that it is not convenient to quickly shake off the soil debris on the drill bit during the use of the existing rotary drilling rig, which affects the efficiency, and it is not convenient to quickly replace the drill bit after it is damaged, which easily leads to the obstruction of the construction progress, the following scheme is proposed, which comprises a rotary drilling rig main body, the rotary drilling rig main body is connected with a boom, the boom is connected with a vertical arm, and the boom is provided with a hydraulic arm, one end of the hydraulic arm is connected with the vertical arm, a rotating arm is provided on the vertical arm, the bottom end of the rotating arm is connected with the drill bit, and a winch is provided on the rotary drilling rig main body. The present invention can actively generate vibration when in use, so that the soil on the drill bit is quickly shaken off, and the drill bit can be disassembled and installed through a mechanism with a self-locking function. The operation is simple and convenient, and the obstruction of the construction progress can be avoided.

Description

Technical Field

[0001] The invention relates to the technical field of construction machinery, and in particular to a crawler type rotary drilling rig. Background Art

[0002] The rotary drilling rig is a construction machine suitable for drilling holes in building foundation projects. It is mainly suitable for construction in sandy soil, clay soil, silty soil and other soil layers. It is widely used in various foundation constructions such as cast-in-place piles, continuous walls, and foundation reinforcement.

[0003] It is not easy to quickly shake off the soil debris on the drill bit during the use of a general rotary drilling rig, which affects the efficiency. It is also not easy to quickly replace the drill bit after it is damaged, which can easily hinder the construction progress. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings of the prior art that the soil debris on the drill bit is not easy to shake off quickly during use of the general rotary drilling rig, which affects the efficiency, and the drill bit is not easy to replace quickly after being damaged, which easily leads to the obstruction of the construction progress, and a crawler type rotary drilling rig is proposed.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A crawler type rotary drilling rig comprises a rotary drilling rig body, wherein a boom is connected to the rotary drilling rig body, a vertical arm is connected to the boom, a hydraulic arm is arranged on the boom, one end of the hydraulic arm is connected to the vertical arm, a rotating arm is arranged on the vertical arm, a drill bit is connected to the bottom end of the rotating arm, a winch is arranged on the rotary drilling rig body, a steel wire rope is sleeved on the winch, one end of the steel wire rope is connected to the top end of the rotating arm, a vibration slag removal mechanism is arranged in the rotating arm, and two locking mechanisms are symmetrically arranged on the rotating arm.

[0007] Preferably, the vibration slag removal mechanism includes a vibration chamber opened in the rotating arm, a motor is fixedly installed on the inner wall of one side of the vibration chamber, a worm is welded on the output shaft of the motor, a rotating rod is rotatably installed in the vibration chamber, a worm wheel is provided on the outer fixed sleeve of the rotating rod, the worm wheel is meshed with the worm, and the worm can drive the worm wheel to rotate and reduce the speed.

[0008] Preferably, the outer fixed sleeve of the rotating rod is provided with two half gears, and knocking gear rods are slidably installed on the inner walls on both sides of the vibration chamber, the two knocking gear rods are respectively matched with the two half gears, and the two knocking gear rods are fixedly connected with a first return spring, one end of the two first return springs is fixedly connected to the inner wall of one side of the vibration chamber, and the first return spring can drive the knocking gear rod to move.

[0009] Preferably, a groove is provided at the bottom of the rotating arm, and a connecting block is fixedly connected to the top of the drill bit, the connecting block cooperates with the groove, a first magnet is arranged in the groove, a second magnet is arranged on the connecting block, the first magnet cooperates with the second magnet, and the first magnet can attract the second magnet to each other.

[0010] Preferably, the locking mechanism includes an operating groove opened on the rotating arm, two limit rings are arranged in the operating groove, the same sliding rod is slidably installed in the two limit rings, a connecting rod is rotatably installed on the inner wall of the operating groove, a slideway is opened on the connecting rod, a sliding block is arranged on the sliding rod, the sliding block is slidably installed in the slideway, two dead points are arranged on the inner wall of the operating groove, and the connecting rod can drive the sliding rod to move through the slideway and the sliding block.

[0011] Preferably, one end of the connecting rod is rotatably connected to a transmission rod, a sliding groove is provided on an inner wall of one side of the operating groove, a slider is slidably installed in the sliding groove, one end of the transmission rod is rotatably connected to the slider, a limiting rod is provided in the sliding groove, a sliding hole is provided on the slider, the limiting rod is slidably installed in the sliding hole, and a second return spring is provided on the outer side of the limiting rod, and the second return spring can limit the slider through deformation force.

[0012] Preferably, the locking mechanism also includes a block groove opened on the inner wall of one side of the groove, a block is slidably installed in the block groove, one end of the slide rod extends into the block groove and is fixedly connected to the block, a slot is opened on the connecting block, the slot cooperates with the block, and the block can limit and fix the connecting block through the slot.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. In this solution, the worm and the worm wheel are matched, and the half gear and the knocking gear rod and the first return spring are matched, so that after starting the motor, the two knocking gear rods can continuously hit each other to effectively generate vibration, so that the soil on the drill bit is quickly shaken off;

[0015] 2. In this solution, the connecting rod and the slideway cooperate with the sliding block and the sliding rod, and the transmission rod cooperates with the slider and the second spring, so that the connecting rod can drive the sliding rod to move and realize the self-locking function;

[0016] 3. In this solution, the first magnet cooperates with the second magnet, and the clamping block cooperates with the clamping slot, so that the drill bit can be installed in the groove through the connecting block, and the first magnet and the second magnet attract each other to complete the initial fitting, and finally the clamping block is fitted into the clamping slot to complete the firm connection;

[0017] The present invention can actively generate vibration when in use, so that the soil on the drill bit is quickly shaken off, and the drill bit can be disassembled and installed through a self-locking mechanism. The operation is simple and convenient, and the construction progress can be avoided from being blocked. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A structural schematic diagram of a crawler type rotary drilling rig proposed by the present invention;

[0019] Figure 2 A schematic diagram of the structure of the connection between the rotary arm and the drill bit of a crawler rotary drilling rig proposed by the present invention;

[0020] Figure 3 A crawler type rotary drilling rig proposed by the present invention Figure 2 The enlarged structural diagram at A in the middle;

[0021] Figure 4 A crawler type rotary drilling rig proposed by the present invention Figure 2 The enlarged structural diagram at B in the middle;

[0022] Figure 5 The present invention provides a schematic diagram of the connecting rod structure of a crawler rotary drilling rig.

[0023] In the figure: 1 a main body of the rotary drilling rig, 2 a boom, 3 a vertical arm, 4 a hydraulic arm, 5 a rotating arm, 6 a drill bit, 7 a winch, 8 a wire rope, 9 a motor, 10 a worm, 11 a rotating rod, 12 a worm wheel, 13 a half gear, 14 a knocking gear rod, 15 a first return spring, 16 a connecting block, 17 a first magnet, 18 a second magnet, 19 a sliding rod, 20 a connecting rod, 21 a slideway, 22 a dead point, 23 a transmission rod, 24 a slider, 25 a limiting rod, 26 a second return spring, 27 a clamping block, and 28 a clamping slot. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0025] Embodiment 1

[0026] Reference Figure 1-5 A crawler rotary drilling rig comprises a rotary drilling rig body 1, a boom 2 is connected to the rotary drilling rig body 1, a vertical arm 3 is connected to the boom 2, a hydraulic arm 4 is arranged on the boom 2, one end of the hydraulic arm 4 is connected to the vertical arm 3, a rotating arm 5 is arranged on the vertical arm 3, a drill bit 6 is connected to the bottom end of the rotating arm 5, a winch 7 is arranged on the rotary drilling rig body 1, a steel wire rope 8 is sleeved on the winch 7, one end of the steel wire rope 8 is connected to the top end of the rotating arm 5, a vibration slag removal mechanism is arranged in the rotating arm 5, and two locking mechanisms are symmetrically arranged on the rotating arm 5.

[0027] In this embodiment, the vibration slag removal mechanism includes a vibration chamber opened in the rotating arm 5, a motor 9 is fixedly installed on the inner wall of one side of the vibration chamber by bolts, a worm 10 is welded on the output shaft of the motor 9, a rotating rod 11 is rotatably installed in the vibration chamber, and a worm wheel 12 is provided on the outer side of the rotating rod 11 through a welded fixing sleeve, the worm wheel 12 is meshed with the worm 10, and the worm 10 can drive the worm wheel 12 to rotate and reduce the speed.

[0028] In this embodiment, two half gears 13 are provided on the outer side of the rotating rod 11 through a welding fixed sleeve, and knocking gear rods 14 are slidably installed on the inner walls on both sides of the vibration chamber. The two knocking gear rods 14 are respectively matched with the two half gears 13. The two knocking gear rods 14 are fixedly connected with the first return springs 15 by welding. One end of the two first return springs 15 is fixedly connected to the inner wall of one side of the vibration chamber by welding. The first return spring 15 can drive the knocking gear rod 14 to move.

[0029] In this embodiment, a groove is provided at the bottom of the rotating arm 5, and the top of the drill bit 6 is fixedly connected to a connecting block 16 by welding. The connecting block 16 cooperates with the groove, and a first magnet 17 is arranged in the groove. A second magnet 18 is arranged on the connecting block 16. The first magnet 17 cooperates with the second magnet 18, and the first magnet 17 can attract the second magnet 18 to each other.

[0030] In this embodiment, the locking mechanism includes an operating groove provided on the rotating arm 5, two limit rings are arranged in the operating groove, and the same slide rod 19 is slidably installed in the two limit rings. A connecting rod 20 is rotatably installed on the inner wall of the operating groove, a slideway 21 is provided on the connecting rod 20, a sliding block is provided on the slide rod 19, and the sliding block is slidably installed in the slideway 21. Two dead points 22 are arranged on the inner wall of the operating groove, and the connecting rod 20 can drive the slide rod 19 to move through the slideway 21 and the sliding block.

[0031] In this embodiment, one end of the connecting rod 20 is rotatably connected to the transmission rod 23, and a sliding groove is opened on the inner wall of one side of the operating groove, and a slider 24 is slidably installed in the sliding groove. One end of the transmission rod 23 is rotatably connected to the slider 24, and a limiting rod 25 is arranged in the sliding groove. A sliding hole is opened on the slider 24, and the limiting rod 25 is slidably installed in the sliding hole, and a second return spring 26 is sleeved on the outer side of the limiting rod 25, and the second return spring 26 can limit the slider 24 through deformation force.

[0032] In this embodiment, the locking mechanism also includes a block groove provided on the inner wall of one side of the groove, in which a block 27 is slidably installed, one end of the slide rod 19 extends into the block groove and is fixedly connected to the block 27 by welding, and a slot 28 is provided on the connecting block 16, which cooperates with the block 27, and the block 27 can limit and fix the connecting block 16 through the slot 28.

[0033] In the present embodiment, during use, when the drill bit 6 carries a large amount of soil debris and is located on the ground, the motor 9 can be started, and the output shaft of the motor 9 drives the worm 10 to rotate, and the worm 10 drives the worm wheel 12 to rotate and reduce the speed, and the worm wheel 12 drives the half gear 13 to rotate through the rotating rod 11, and the half gear 13 can intermittently drive the knocking gear rod 14 to move, and when the knocking gear rod 14 moves, it can drive the first return spring 15 to deform, and when the half gear 13 is disengaged from the knocking gear rod 14, the first return spring 15 can drive the knocking gear rod 14 to reset and knock in the rotating arm 5, thereby generating vibration, so that the vibration is transmitted to the drill bit 6, so as to achieve the purpose of quickly shaking off the soil debris on the drill bit 6, and when the drill bit 6 generates after long-term use When the drill bit 6 is damaged, it is necessary to replace the drill bit 6 in time. At this time, the connecting rod 20 can be pushed so that the connecting rod 20 drives the slide rod 19 to move through the slideway 21 and the sliding block. When the slide rod 19 moves, it can drive the block 27 to disengage from the slot 28, thereby releasing the locking fixation of the connecting block 16, and then separate the first magnet 17 from the second magnet 18, so as to achieve the purpose of disassembling the drill bit 6 from the rotating arm 5. In this process, the connecting rod 20 can drive the slider 24 to move downward and then upward through the transmission rod 23, so that the second return spring 26 is deformed once. This process can make the connecting rod 20 have a self-locking effect, thereby facilitating the replacement of the drill bit 6, and then the new drill bit 6 can be installed back in place.

[0034] Embodiment 2

[0035] The difference from Example 1 is that the vibrating slag removal mechanism includes a vibrating chamber opened in the rotating arm 5, a motor 9 is fixedly installed on the inner wall of one side of the vibrating chamber, a small bevel gear is welded on the output shaft of the motor 9, a rotating rod 11 is rotatably installed in the vibration chamber, and a large bevel gear is provided on the outer fixed sleeve of the rotating rod 11, and the large bevel gear is meshed with the small bevel gear.

[0036] In the present invention, when in use, when the drill bit 6 carries a large amount of soil debris and is located on the ground, the motor 9 can be started at this time, and the output shaft of the motor 9 drives the small bevel gear to rotate, and the small bevel gear drives the large bevel gear to rotate and reduce the speed, and the large bevel gear drives the half gear 13 to rotate through the rotating rod 11, and the half gear 13 can intermittently drive the knocking gear rod 14 to move, and when the knocking gear rod 14 moves, it can drive the first return spring 15 to deform, and when the half gear 13 is disengaged from the knocking gear rod 14, the first return spring 15 can drive the knocking gear rod 14 to reset and knock in the rotating arm 5, thereby generating vibration, so that the vibration is transmitted to the drill bit 6, so as to achieve the purpose of quickly shaking off the soil debris on the drill bit 6. When the drill bit 6 is damaged after long-term use When the drill bit 6 is damaged, it is necessary to replace the drill bit 6 in time. At this time, the connecting rod 20 can be pushed, so that the connecting rod 20 drives the slide bar 19 to move through the slideway 21 and the sliding block. When the slide bar 19 moves, it can drive the block 27 to disengage from the slot 28, thereby releasing the locking fixation of the connecting block 16, and then separate the first magnet 17 from the second magnet 18, so as to achieve the purpose of separating the drill bit 6 from the rotating arm 5. In this process, the connecting rod 20 can drive the slider 24 to move downward and then upward through the transmission rod 23, so that the second return spring 26 is deformed once. This process can make the connecting rod 20 have a self-locking effect, thereby facilitating the replacement of the drill bit 6, and then the new drill bit 6 can be installed back in place.

[0037] The rest is the same as that of the first embodiment.

[0038] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A crawler-type rotary drilling rig, comprising a rotary drilling rig body (1), characterized in that: The rotary drilling rig body (1) is connected to a boom (2), the boom (2) is connected to a vertical arm (3), and a hydraulic arm (4) is arranged on the boom (2), one end of the hydraulic arm (4) is connected to the vertical arm (3), a rotating arm (5) is arranged on the vertical arm (3), the bottom end of the rotating arm (5) is connected to a drill bit (6), a winch (7) is arranged on the rotary drilling rig body (1), a steel wire rope (8) is sleeved on the winch (7), one end of the steel wire rope (8) is connected to the top end of the rotating arm (5), a vibrating slag removal mechanism is arranged in the rotating arm (5), and two locking mechanisms are symmetrically arranged on the rotating arm (5), the vibrating slag removal mechanism comprises a vibrating cavity opened in the rotating arm (5), an electric locking mechanism is fixedly installed on the inner wall of one side of the vibrating cavity The motor (9) is provided with a worm (10) welded on the output shaft of the motor (9), a rotating rod (11) is rotatably installed in the vibration chamber, a worm wheel (12) is provided on the outer fixed sleeve of the rotating rod (11), the worm wheel (12) is meshed with the worm (10), the outer fixed sleeve of the rotating rod (11) is provided with two half gears (13), and knocking gear rods (14) are slidably installed on the inner walls of both sides of the vibration chamber, the two knocking gear rods (14) are respectively matched with the two half gears (13), the two knocking gear rods (14) are fixedly connected with first return springs (15), one end of the two first return springs (15) are fixedly connected to the inner wall of one side of the vibration chamber, the bottom of the rotating arm (5) is provided with a groove, and the top end of the drill bit (6) is fixedly connected to the inner wall of the vibration chamber. The locking mechanism comprises an operating groove provided on the rotating arm (5), two limiting rings are provided in the operating groove, a same sliding rod (19) is slidably installed in the two limiting rings, a connecting rod (20) is rotatably installed on the inner wall of the operating groove, a slideway (21) is provided on the connecting rod (20), a sliding block is provided on the sliding rod (19), the sliding block is slidably installed in the slideway (21), two dead points (22) are provided on the inner wall of the operating groove, and the connecting rod (20) is provided with a sliding block. The sliding block is slidably installed in the slideway (21), and two dead points (22) are provided on the inner wall of the operating groove. The end is rotatably connected with a transmission rod (23), a sliding groove is provided on the inner wall of one side of the operating groove, a slider (24) is slidably installed in the sliding groove, one end of the transmission rod (23) is rotatably connected with the slider (24), a limit rod (25) is arranged in the sliding groove, a sliding hole is provided on the slider (24), the limit rod (25) is slidably installed in the sliding hole, and a second return spring (26) is sleeved on the outer side of the limit rod (25), characterized in that the locking mechanism also includes a block groove provided on the inner wall of one side of the groove, a block (27) is slidably installed in the block groove, one end of the slide rod (19) extends into the block groove and is fixedly connected with the block (27), a slot (28) is provided on the connecting block (16), and the slot (28) cooperates with the block (27).

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