External hanging type down-the-hole drill device

Abstract

The externally-hung down-the-hole drill device comprises a drill rod, an excavator and an excavating arm, and the drill rod is movably connected with the front end of the excavating arm in parallel through a special-shaped connecting part; the rear end of the digging arm is connected with the digging machine; one end of the special-shaped connecting part is in a cylindrical opening shape; two groups of connecting pieces are respectively arranged at the other end of the special-shaped connecting part; one end of the special-shaped connecting part is sleeved with a turntable; the turntable is provided with a plurality of screw holes along the circumference; the rotary disc is in butt joint with the middle position of the rod wall of the drill rod and is fixedly installed in the mode that a plurality of bolts penetrate through the screw holes. A group of connecting pieces of the special-shaped connecting part are movably connected with the front end of the digging arm through a rotating shaft a; the upper side of the front end of the digging arm is movably connected with one end of a hydraulic cylinder B through a rotating shaft d; and the other end of the hydraulic cylinder B is movably connected with the other group of connecting pieces of the special-shaped connecting part through a rotating shaft b. The device is simple in structure, all parts are compactly connected, daily maintenance and overhaul are facilitated, and the maintenance cost and time are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of earthwork excavation machinery and equipment, and specifically relates to an external mounted down-the-hole drill rig device. Background Art

[0002] During the slope support construction process of water conservancy projects, the hole drilling operations of anchor rods and anchor reinforcement piles often take a very long time. Traditionally, the construction team will first excavate and shape the basic form of the slope surface, and then set up a stable scaffolding to support and guide the 100B type down-the-hole drill rig for precise drilling of anchor rods and anchor reinforcement piles. In this process, whenever a hole for an anchor rod or an anchor reinforcement pile is successfully drilled, the workers need to manually carry the heavy drill rig to the next drilling position and continue to repeat the heavy labor.

[0003] This construction method not only results in a significant time interval between each drilling operation, delaying the overall project progress, but also the manual handling and installation of the drill rig greatly consume human resources. Especially when facing steep slopes, the construction difficulty and safety risks increase exponentially, posing strict requirements on the physical strength and safety awareness of the workers. Content of the Utility Model

[0004] The purpose of the utility model is to provide an external mounted down-the-hole drill rig device to solve the problems raised in the above background art. The technical solution of the utility model is: an external mounted down-the-hole drill rig device, including a drill pipe, an excavator, and an excavator arm. The drill pipe is movably connected in parallel with the front end of the excavator arm through a special-shaped connecting part. The rear end of the excavator arm is connected to the excavator. One end of the special-shaped connecting part is in the shape of a cylindrical opening. The other end of the special-shaped connecting part is respectively provided with two groups of connecting pieces. A turntable is sleeved on one end of the special-shaped connecting part. A plurality of screw holes are provided along the circumference of the turntable. The turntable is butted against the middle position of the drill pipe wall and is fixedly installed through a plurality of bolts passing through the screw holes. One group of connecting pieces of the special-shaped connecting part is movably connected with the front end of the excavator arm through a rotating shaft a. The upper side of the front end of the excavator arm is movably connected with one end of a hydraulic cylinder B through a rotating shaft d. The other end of the hydraulic cylinder B is movably connected with the other group of connecting pieces of the special-shaped connecting part through a rotating shaft b.

[0005] Further, the special-shaped connecting part includes a fixed support sleeve, a rotating shaft, a reducer, a hydraulic motor, and a connecting flange. The fixed support sleeve is slidably sleeved on the rear side of the turntable. The rotating shaft sequentially passes through the support member and the fixed support sleeve and is connected to the turntable. A cavity is provided inside the support member. One end of the rotating shaft in the cavity is connected to the reducer through two connecting flanges. The rear end of the reducer is connected with a hydraulic motor.

[0006] Further, the support member is fixed at the opening of the special-shaped connecting part.

[0007] Furthermore, a set of connecting members on the special-shaped connecting portion is disposed at opposite positions of the opening, and the other set of connecting members is disposed at one end on the upper side of the special-shaped connecting portion; the other set of connecting members consists of two first connecting ears; the set of connecting members consists of two second connecting ears.

[0008] Furthermore, one end of a hydraulic cylinder A is fixedly connected to the lower end of the excavator; the other end of the hydraulic cylinder A is movably connected to the bending portion of the excavator arm through a rotating shaft c.

[0009] Compared with the prior art, the present utility model has the following beneficial effects:

[0010] By flexibly connecting the excavator and the drill pipe, the drill pipe can be quickly positioned as the excavator moves, greatly improving the efficiency of the drilling operation. Through the design of the special-shaped connecting portion, the drill pipe can be movably connected in parallel to the front end of the excavator arm. With the adjustment of the hydraulic cylinder B, multi-angle and high-precision positioning of the drill pipe is achieved, enhancing the flexibility of construction. This device utilizes the structure and functions of the existing excavator for expansion, without the need for additional large equipment, reducing equipment costs and construction difficulties. The special-shaped connecting portion is internally provided with transmission mechanisms such as a reducer and a hydraulic motor. Through precise transmission control, the drill pipe is more stable during operation, reducing operation risks and improving construction safety. The device has a simple structure, and the components are tightly connected, facilitating daily maintenance and repair, reducing maintenance costs and time. Through accurate drilling positioning and a stable drilling process, the accuracy and consistency of drilling are improved, enhancing the quality and reliability of the overall project. Description of the Drawings

[0011] The following further explains the present utility model in conjunction with the drawings and embodiments:

[0012] Figure 1 is a schematic plan view of the overall structure of the present utility model;

[0013] Figure 2 is a schematic cross-sectional view of the special-shaped connecting portion of the present utility model;

[0014] Figure 3 is a schematic front view of the turntable of the present utility model;

[0015] Description of the reference numerals: 1 - drill pipe; 2 - excavator; 3 - excavator arm; 4 - hydraulic cylinder A; 5 - hydraulic cylinder B; 6 - special-shaped connecting portion; 601 - first connecting ear; 602 - second connecting ear; 7 - turntable; 701 - fixed support sleeve; 702 - rotating shaft; 703 - reducer; 704 - hydraulic motor; 705 - connecting flange; 706 - screw hole; 8 - rotating shaft a; 9 - rotating shaft b; 10 - rotating shaft c; 11 - rotating shaft d. Detailed Embodiment

[0016] The following will be combined with the attached Figures 1 to 3A detailed description of the present utility model is given, and the technical solutions in the embodiments of the present utility model are clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts fall within the protection scope of the present utility model.

[0017] The present utility model provides an external mounted down-the-hole drill rig device through improvement, which includes a drill pipe 1, an excavator 2, and an excavator arm 3. The drill pipe 1 is movably connected in parallel with the front end of the excavator arm 3 through a special-shaped connecting part 6. The rear end of the excavator arm 3 is connected to the excavator 2. One end of the special-shaped connecting part 6 is in the shape of a cylindrical opening. Two groups of connecting pieces are respectively provided at the other end of the special-shaped connecting part 6. A turntable 7 is sleeved on one end of the special-shaped connecting part 6. A plurality of screw holes are provided along the circumference of the turntable 7. The turntable 7 is butted against the middle position of the drill pipe 1 wall and is fixedly installed by passing a plurality of bolts through the screw holes. One group of connecting pieces of the special-shaped connecting part 6 is movably connected to the front end of the excavator arm 3 through a rotating shaft a8. The upper side of the front end of the excavator arm 3 is movably connected to one end of a hydraulic cylinder B5 through a rotating shaft d11. The other end of the hydraulic cylinder B5 is movably connected to the other group of connecting pieces of the special-shaped connecting part 6 through a rotating shaft b9. The other end of the hydraulic cylinder B5 is movably connected to the other group of connecting pieces of the special-shaped connecting part 6 through the rotating shaft b9. In this way, the hydraulic cylinder B5 can push or pull the special-shaped connecting part 6 by telescoping, thereby driving the drill pipe 1 to move up and down or left and right. This structure enables the drill pipe 1 to be flexibly used in cooperation with the excavator 2 and the excavator arm 3, and realizes multi-angle operation of drilling on the slope through the drive of the hydraulic cylinder B5.

[0018] Specifically, the special-shaped connecting part 6 includes a fixed support sleeve 701, a rotating shaft 702, a speed reducer 703, a hydraulic motor 704, and a connecting flange 705; the fixed support sleeve 701 is slidably sleeved on the rear side of the turntable 7, so that the fixed support sleeve 701 can stably support the turntable 7 and allow the turntable 7 to rotate at a certain angle when needed; the rotating shaft 702 sequentially passes through the support member and the fixed support sleeve 701 and is connected to the turntable 7. The rotation of the rotating shaft 702 can drive the rotation of the turntable 7; there is a cavity inside the support member to accommodate components such as the speed reducer 703, making the whole structure more compact and orderly; one end of the rotating shaft 702 inside the cavity is connected to the speed reducer 703 through two connecting flanges. The main function of the speed reducer 703 is to convert the high-speed rotation of the hydraulic motor 704 into the low-speed and high-torque rotation of the rotating shaft 702, so as to realize the stable and powerful drive of the turntable 7; the rear end of the speed reducer 703 is connected to the hydraulic motor 704, and the hydraulic motor 704 is the power source for driving the whole system. It is connected to the rear end of the speed reducer 703 and drives the rotation of the speed reducer 703 and the rotating shaft 702 through the pressure difference of the hydraulic system. The advantage of the hydraulic motor 704 is that it can provide stable power output and is easy to control.

[0019] Specifically, the support member is fixed at the opening of the special-shaped connecting part 6.

[0020] Specifically, a set of connecting pieces on the special-shaped connecting part 6 is arranged at the relative position of the opening, and the other set of connecting pieces is arranged at one end on the upper side of the special-shaped connecting part 6; the other set of connecting pieces consists of two first connecting ears 601; the set of connecting pieces consists of two second connecting ears 602.

[0021] Specifically, one end of a hydraulic cylinder A4 is fixedly connected to the lower end of the excavator 2; the other end of the hydraulic cylinder A4 is movably connected to the bent part of the digging arm 3 through a rotating shaft c10.

[0022] The method of using the external-mounted down-the-hole drilling rig device is as follows:

[0023] First, ensure that the excavator 2 is parked stably and start the hydraulic system. Connect the drill pipe 1 to the front end of the digging arm 3 in a parallel and movable manner through the special-shaped connecting part 6. One end of the special-shaped connecting part 6 is in the shape of a cylindrical opening, sleeved on the turntable 7 and fixed to the drill pipe 1 with bolts. The other end of the special-shaped connecting part 6 is movably connected to the front end of the digging arm 3 through a rotating shaft a8. At the same time, one end of the hydraulic cylinder B5 is connected to the upper side of the front end of the digging arm 3 through a rotating shaft d11, and the other end is movably connected to the other set of connecting pieces of the special-shaped connecting part 6 through a rotating shaft b9.

[0024] Start the hydraulic motor 704. Through the speed reducer 703, convert the high-speed rotation into low-speed and high-torque rotation to drive the rotating shaft 702 and the turntable 7 to rotate, and then drive the drill pipe 1 to rotate. At the same time, operate the telescopic movement of the hydraulic cylinder B5. Through the special-shaped connecting part 6, push or pull the drill pipe 1 to realize the up-and-down or left-and-right rotation of the drill pipe 1.

[0025] To adjust the angle of the digging arm 3, operate the hydraulic cylinder A4 at the lower end of the excavator 2. The hydraulic cylinder A4 is movably connected to the bending part of the digging arm 3 through the rotating shaft c10 to adjust the inclination angle of the digging arm 3, thereby changing the working angle of the drill pipe 1.

[0026] During the whole operation process, it is necessary to adjust the rotation speed, moving direction of the drill pipe 1 and the inclination angle of the digging arm 3 according to the operation requirements to realize the multi-angle drilling operation of the slope. After the operation is completed, turn off the hydraulic system, disconnect the connecting components, and return the drill pipe 1 and the digging arm 3 to their original positions.

[0027] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present utility model. Various modifications to these embodiments will be obvious to those skilled in the art. The general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present utility model. Therefore, the present utility model will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An external mounted down-the-hole drill rig device, comprising a drill pipe (1), an excavator (2), and an excavator arm (3), characterized in that: The drill pipe (1) is movably connected in parallel with the front end of the digging arm (3) through a special-shaped connecting part (6); the rear end of the digging arm (3) is connected to the excavator (2); one end of the special-shaped connecting part (6) is in the shape of a cylindrical opening; two groups of connecting parts are respectively provided at the other end of the special-shaped connecting part (6); a turntable (7) is sleeved on one end of the special-shaped connecting part (6); a plurality of screw holes are provided along the circumference of the turntable (7); the turntable (7) is butted at the middle position of the rod wall of the drill pipe (1) and is fixedly installed by passing a plurality of bolts through the screw holes; one group of connecting parts of the special-shaped connecting part (6) is movably connected with the front end of the digging arm (3) through a rotating shaft a (8); the upper side of the front end of the digging arm (3) is movably connected with one end of a hydraulic cylinder B (5) through a rotating shaft d (11); the other end of the hydraulic cylinder B (5) is movably connected with the other group of connecting parts of the special-shaped connecting part (6) through a rotating shaft b (9).

2. The external mounted down-the-hole drill rig device according to claim 1, characterized in that: The special-shaped connecting part (6) includes a fixed support sleeve (701), a rotating shaft (702), a reducer (703), a hydraulic motor (704), and a connecting flange (705); the fixed support sleeve (701) is slidably sleeved on the rear side of the turntable (7); the rotating shaft (702) sequentially passes through the support member and the fixed support sleeve (701) and is connected to the turntable (7); a cavity is provided inside the support member; one end of the rotating shaft (702) in the cavity is connected to the reducer (703) through two connecting flanges; the rear end of the reducer (703) is connected with a hydraulic motor (704).

3. The external mounted down-the-hole drill rig device according to claim 2, characterized in that: The support member is fixed at the opening of the special-shaped connecting part (6).

4. The external mounted down-the-hole drill rig device according to claim 2, characterized in that: One group of connecting parts on the special-shaped connecting part (6) is provided at the relative position of the opening, and the other group of connecting parts is provided at one end on the upper side of the special-shaped connecting part (6); the other group of connecting parts consists of two first connecting ears (601); one group of connecting parts consists of two second connecting ears (602).

5. The external mounted down-the-hole drill rig device according to claim 1, characterized in that: One end of a hydraulic cylinder A (4) is fixedly connected to the lower end of the excavator (2); the other end of the hydraulic cylinder A (4) is movably connected to the bent part of the digging arm (3) through a rotating shaft c (10).

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