Rotary drilling rig

Abstract

The utility model discloses a rotary drilling rig which comprises a drill rod, a fixing frame and a hydraulic power head are arranged on the drill rod, and a fastening seat is arranged at the bottom of the hydraulic power head. A fixing seat is arranged at the top of the drill bit, and stabilizing components are arranged on the fixing seat and the fastening seat; the stabilizing component comprises a fixing bolt and a nut, and the fastening base and the fixing base are connected through the fixing bolt and the nut. First grooves which are symmetrically distributed are formed in the top of the fastening seat, second grooves which are symmetrically distributed are formed in the bottom of the fixing seat, the fixing bolts penetrate through the first grooves, and the nuts are located in the second grooves; a limiting groove is formed in the bottom of the fastening seat; the hydraulic power head has the advantages that the drill bit and the hydraulic power head can be spliced and detached easily through the designed stabilizing component, the detaching efficiency of the drill bit and the hydraulic power head is improved, and the drill bit can be replaced more efficiently according to different stratum and soil conditions.

Description

Technical Field

[0001] The utility model belongs to the technical field of drilling machines, and in particular relates to a rotary drilling machine. Background Art

[0002] The rotary drilling rig can drill and coring underground soil efficiently through its unique rotary drilling drill bit and power system, which is crucial for geological exploration, foundation treatment and other work in reservoir construction, and can ensure safety and stability during the construction process; it is equipped with various types of drill bits, such as long spiral and large-diameter short spiral drill bits, rotary drill buckets, sand buckets, cylindrical drill buckets, bottom expansion drill bits, core drill bits, etc. These drill bits can adapt to different strata and soil conditions and improve construction efficiency; the rotary drilling rig has a high level of automation and intelligence, which can accurately control the drilling depth and speed, reduce errors and waste, and improve construction quality.

[0003] A rotary drilling rig with announcement number CN206942655U is disclosed in the patent, which includes a drilling rig body and a boom hinged to the drilling rig body at one end and supported by adjustment of an oil cylinder, a drill rod hinged at the other end of the boom, a hydraulic power head connected to the drill rod, a drill bit connected to the hydraulic power head, and the drilling rig body having a head end and a tail end, a rearview mirror being provided at the head end, and a reflector being provided at the tail end.

[0004] The existing rotary drilling rigs have the following problems when in use:

[0005] When the drill bit is replaced to adapt to different strata and soil conditions, it is not conducive to improving the efficiency of splicing the hydraulic power head and the drill bit, and increases the time consumption of splicing. Utility Model Content

[0006] The utility model aims to provide a rotary drilling rig, which enables a hydraulic power head and a drill bit to be quickly spliced.

[0007] To achieve the above purpose, the utility model provides the following technical solutions: a rotary drilling rig, comprising

[0008] A drill rod, wherein a fixing frame and a hydraulic power head are arranged on the drill rod, and a fastening seat is arranged at the bottom of the hydraulic power head;

[0009] A drill bit, wherein a fixing seat is arranged on the top of the drill bit, and a stabilizing component is arranged on the fixing seat and the fastening seat; the stabilizing component comprises a fixing bolt and a nut, and the fastening seat and the fixing seat are connected via the fixing bolt and the nut.

[0010] Preferably, the top of the fastening seat is provided with symmetrically distributed first grooves, the bottom of the fixing seat is provided with symmetrically distributed second grooves, the fixing bolt passes through the first groove, and the nut is located inside the second groove.

[0011] Preferably, a limiting groove is provided at the bottom of the fastening seat, and a limiting plate matching the limiting groove is provided at the top of the fixing seat.

[0012] Preferably, it also includes a drilling rig body, the top of the drilling rig body is hinged with a boom, and one end of the boom is hinged to a fixed frame.

[0013] Preferably, an oil cylinder is provided on the drilling rig body, and the protruding end of the oil cylinder is hinged to the boom.

[0014] Preferably, a main winch is provided on the drilling rig body, and a steel wire rope connected to the hydraulic power head is provided on the main winch, and a drag reduction component is provided on the boom.

[0015] Preferably, the drag reduction component includes a connecting rod, one end of which is provided with a fixing plate connected to the upper arm, the other end of which is provided with a fixing ring, and the inner wall of the fixing ring is provided with a plurality of evenly distributed balls, and the steel wire rope passes through the fixing ring.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The designed stable components facilitate the splicing and disassembly of the drill bit and the hydraulic power head, thereby improving the efficiency of disassembly of the drill bit and the hydraulic power head and making it more efficient to replace the drill bit to adapt to different formations and soil conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the utility model;

[0019] Figure 2 For the utility model Figure 1 A schematic diagram of the enlarged structure of area A;

[0020] Figure 3 This is a schematic diagram of the structure of the drag reduction component of the utility model;

[0021] Figure 4 For the utility model Figure 1 Schematic diagram of the enlarged structure of the G region;

[0022] In the figure: 1. drilling rig body; 11. main winch; 12. oil cylinder; 2. boom; 3. wire rope; 4. drill rod; 5. fixing frame; 6. hydraulic power head; 61. fastening seat; 610. reinforcing rib; 611. first groove; 612. limiting groove; 7. drill bit; 71. fixing seat; 710. limiting plate; 711. second groove; 7110. nut; 8. connecting rod; 81. fixing plate; 82. fixing ring; 820. ball; 9. fixing bolt. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Example 1

[0025] See also Figure 1 and Figure 4 , which is the first embodiment of the utility model, and the embodiment provides a rotary drilling rig, comprising

[0026] A drill rod 4 is provided with a fixing frame 5 and a hydraulic power head 6 on the drill rod 4, so that the drill rod 4, the fixing frame 5 and the hydraulic power head 6 are connected, and a fastening seat 61 is provided at the bottom of the hydraulic power head 6, so that the fastening seat 61 is added; the hydraulic power head 6 drives the drill bit 7 to rotate, so as to drill a hole in the soil layer;

[0027] The drill bit 7 is provided with a fixing seat 71 on the top of the drill bit 7, so that the fixing seat 71 can be added, and stabilizing components are provided on the fixing seat 71 and the fastening seat 61; the stabilizing components include a fixing bolt 9 and a nut 7110, and the fastening seat 61 and the fixing seat 71 are connected by the fixing bolt 9 and the nut 7110, so that the fastening seat 61 and the fixing seat 71 are stably spliced, thereby facilitating the splicing of the drill bit 7 and the hydraulic power head 6, and a reinforcing rib 610 is provided between the fastening seat 61 and the hydraulic power head 6. When replacing the drill bit 7, unscrew the nut 7110 and pull out the fixing bolt 9, so as to realize the disassembly of the drill bit 7 and the hydraulic power head 6, thereby improving the efficiency of disassembly of the drill bit 7 and the hydraulic power head 6, and making it more efficient to replace the drill bit 7 to adapt to different formations and soil conditions.

[0028] In this embodiment, preferably, a symmetrically distributed first groove 611 is opened on the top of the fastening seat 61, and the first groove 611 is opened. A symmetrically distributed second groove 711 is opened on the bottom of the fixing seat 71, and the second groove 711 is opened. The fixing bolt 9 passes through the first groove 611, and the nut 7110 is located inside the second groove 711, which can prevent the fixing bolt 9 and the nut 7110 from being exposed to the outside.

[0029] In this embodiment, preferably, a limiting groove 612 is opened at the bottom of the fastening seat 61, and a limiting plate 710 adapted to the limiting groove 612 is set on the top of the fixed seat 71. By utilizing the cooperation between the limiting plate 710 and the limiting groove 612, the limitation when the fixed seat 71 and the fastening seat 61 are spliced ​​is increased, so that the splicing of the drill bit 7 and the hydraulic power head 6 is more efficient.

[0030] In the present embodiment, preferably, a drilling rig body 1 is further included, a boom 2 is hinged on the top of the drilling rig body 1, and one end of the boom 2 is hinged on the fixing frame 5, so that the boom 2 is added and the convenience of use is increased through the boom 2.

[0031] In this embodiment, preferably, a cylinder 12 is provided on the drilling rig body 1 , and the protruding end of the cylinder 12 is hinged to the boom 2 , so that the cylinder 12 increases the support for the boom 2 .

[0032] In this embodiment, preferably, a main winch 11 is provided on the drilling rig body 1, and a steel wire rope 3 connected to the hydraulic power head 6 is provided on the main winch 11, and the lifting and lowering of the hydraulic power head 6 is achieved through the cooperation of the main winch 11 and the steel wire rope 3.

[0033] Example 2

[0034] See also Figure 1-Figure 4 , which is the second embodiment of the utility model, is based on the previous embodiment, and the difference is that:

[0035] A drag reduction component is provided on the boom 2, and the drag reduction component includes a connecting rod 8. A fixing plate 81 connected to the boom 2 by screws is provided at one end of the connecting rod 8, so that the fixing plate 81 and the boom 2 are firmly fixed. A fixing ring 82 is provided at the other end of the connecting rod 8, which realizes the addition of the fixing ring 82, and a plurality of evenly distributed balls 820 are installed on the inner wall of the fixing ring 82, which realizes the addition of the balls 820. The wire rope 3 passes through the fixing ring 82 and rests on the balls 820, which helps to reduce the resistance of the wire rope 3 when it is used.

[0036] It should be noted that the specific structure and working principle of the drill rod 4, fixed frame 5, hydraulic power head 6, drilling rig body 1, boom 2, cylinder 12, main winch 11, and wire rope 3 in this application have been disclosed in a rotary drilling rig with announcement number CN206942655U.

[0037] The working principle and use process of the utility model are as follows: when in use, the rotary drilling rig is driven to the working area of ​​the reservoir construction, and the hydraulic power head 6 drives the drill bit 7 to rotate, thereby drilling holes in the soil layer; when replacing the drill bit 7, the nut 7110 is unscrewed and the fixing bolt 9 is pulled out, thereby realizing the disassembly of the drill bit 7 and the hydraulic power head 6, thereby improving the efficiency of disassembly of the drill bit 7 and the hydraulic power head 6.

[0038] Although the embodiments of the present invention have been shown and described, as detailed above, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rotary drilling rig, characterized in that: include A drill rod (4), wherein a fixing frame (5) and a hydraulic power head (6) are arranged on the drill rod (4), and a fastening seat (61) is arranged at the bottom of the hydraulic power head (6); A drill bit (7), wherein a fixing seat (71) is arranged on the top of the drill bit (7), and a stabilizing component is arranged on the fixing seat (71) and the fastening seat (61); the stabilizing component comprises a fixing bolt (9) and a nut (7110), and the fastening seat (61) and the fixing seat (71) are connected via the fixing bolt (9) and the nut (7110).

2. A rotary drilling rig according to claim 1, characterized in that: The top of the fastening seat (61) is provided with a first groove (611) which is symmetrically distributed, the bottom of the fixing seat (71) is provided with a second groove (711) which is symmetrically distributed, the fixing bolt (9) passes through the first groove (611), and the nut (7110) is located inside the second groove (711).

3. The rotary drilling rig according to claim 1, characterized in that: The bottom of the fastening seat (61) is provided with a limiting groove (612), and the top of the fixing seat (71) is provided with a limiting plate (710) adapted to the limiting groove (612).

4. The rotary drilling rig according to claim 1, characterized in that: It also comprises a drilling rig body (1), the top of which is hingedly connected to a large arm (2), and one end of the large arm (2) is hingedly connected to a fixing frame (5).

5. A rotary drilling rig according to claim 4, characterized in that: The drilling rig body (1) is provided with an oil cylinder (12), and the extended end of the oil cylinder (12) is hinged to the boom (2).

6. A rotary drilling rig according to claim 4, characterized in that: The drilling rig body (1) is provided with a main winch (11), and the main winch (11) is provided with a steel wire rope (3) connected to a hydraulic power head (6), and the boom (2) is provided with a drag reduction component.

7. A rotary drilling rig according to claim 6, characterized in that: The drag reduction component comprises a connecting rod (8), one end of the connecting rod (8) is provided with a fixing plate (81) connected to the upper arm (2), the other end of the connecting rod (8) is provided with a fixing ring (82), and the inner wall of the fixing ring (82) is installed with a plurality of evenly distributed balls (820), and the steel wire rope (3) passes through the fixing ring (82).

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