Drilling device

Abstract

The utility model discloses a drilling device. The drilling device comprises a first adjusting mechanism, a second adjusting mechanism and a drilling mechanism. The whole set of mechanism can be folded and retracted through the first adjusting mechanism, the overall dimension of transportation is reduced, the drilling datum plane can adapt to different grounds of high and low through cooperation of the first oil cylinder and the second oil cylinder, the drilling operation range is increased, and the working condition adaptability of the drilling device is better; the second adjusting mechanism can adjust the drilling operation range and adjust the drilling perpendicularity.

Description

Technical Field

[0001] The present application relates to the field of engineering machinery, and in particular to a drilling device. Background Art

[0002] Drilling equipment is needed in ground drilling and piling construction for industrial buildings, telecommunications, power grids, railways, and highways. Generally, drilling equipment is parked on the ground, and the parking surface of the vehicle is the reference surface for drilling. However, in many working conditions, the reference surface for drilling is above or below the parking surface of the vehicle. Otherwise, the vehicle must be moved or even the ground where the vehicle is parked must be dug out to drill. Therefore, the adaptability of drilling equipment is poor.

[0003] Existing drilling devices have the following defects: (1) The external dimensions are relatively large; (2) They cannot adapt to the different heights of the ground and the drilling reference plane; and (3) The operating range is small. Utility Model Content

[0004] The embodiment of the present application provides a drilling device with a small transportation size, a large operating range, and can adapt to different heights of the drilling reference surface.

[0005] The present application discloses a drilling device, comprising:

[0006] The first adjustment mechanism comprises a first arm, a second arm, a first oil cylinder and a second oil cylinder; one end of the first arm is hinged to the external structure through a first pin, and one end of the second arm is hinged to the other end of the first arm through a second pin; one end of the first oil cylinder is hinged to the external structure through a third pin, and the other end of the first oil cylinder is hinged to the other end of the first arm through a fourth pin; one end of the second oil cylinder is hinged to one end of the first arm through a fifth pin, and the other end of the second oil cylinder is hinged to the second arm through a sixth pin;

[0007] The second adjustment mechanism includes a telescopic arm, a swing frame, a third oil cylinder and a fourth oil cylinder; one end of the telescopic arm is connected to the second arm; the swing frame is movably connected to the other end of the telescopic arm; one end of the third oil cylinder is connected to the telescopic arm, and the other end is connected to the swing frame, and the swing frame is driven to swing horizontally left and right through the third oil cylinder; one end of the fourth oil cylinder is hinged to the swing frame, and the other end is hinged to the drilling mechanism; one end of the drilling mechanism is hinged to the swing frame for drilling.

[0008] The drilling device of the present application has at least the following beneficial effects:

[0009] The drilling device of the present application includes a first adjustment mechanism, a second adjustment mechanism and a drilling mechanism. The first adjustment mechanism of the present application can realize the folding and retraction of the entire mechanism, reduce the external dimensions for transportation, and realize the adaptation of the drilling reference surface to different high and low ground surfaces through the cooperation of the first oil cylinder and the second oil cylinder, thereby increasing the drilling operation range and making the drilling device more adaptable to working conditions; the second adjustment mechanism can adjust the drilling operation range and the drilling verticality. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Various other advantages and benefits will become apparent to those of ordinary skill in the art by reading the detailed description of the preferred embodiments below. The accompanying drawings are only for the purpose of illustrating the preferred embodiments and are not to be considered as limiting the present application. Also, the same reference symbols are used throughout the accompanying drawings to represent the same components. In the accompanying drawings:

[0011] Figure 1 is a schematic diagram of the structure of the drilling device of an embodiment of the present application (illustrating the folded state);

[0012] Figure 2 is another structural schematic diagram of the drilling device according to an embodiment of the present application (showing the unfolded state);

[0013] Figure 3 yes Figure 2 A schematic diagram of the structure of the first adjustment mechanism (showing part of the telescopic arm);

[0014] Figure 4 yes Figure 2 A structural schematic diagram of the second adjustment mechanism;

[0015] Figure 5 is an axonometric cross-sectional view of a drilling device according to an embodiment of the present application;

[0016] Figure 6 is a partial schematic diagram of a drilling device according to an embodiment of the present application;

[0017] Figure 7 is a plan view of a pulley unit in an embodiment of the present application;

[0018] Figure 8 It is a structural schematic diagram of the pulley unit and the sixth oil cylinder;

[0019] Fig. 9 yes Figure 8 The enlarged view of point A in the middle;

[0020] Fig.10 yes Figure 8 The enlarged view of point B in the middle;

[0021] Fig.11 is a schematic diagram of the structure of the mast arm and anchor assembly;

[0022] The description of the reference numerals is as follows: 10, first adjustment mechanism; 11, first arm; 12, second arm; 13, first oil cylinder; 14, second oil cylinder; 10a, first pin; 10b, second pin; 10c, third pin; 10d, fourth pin; 10e, fifth pin; 10f, sixth pin;

[0023] 20, second adjustment mechanism; 21, telescopic arm; 211, first telescopic sub-arm; 212, second telescopic sub-arm; 213, fifth oil cylinder; 22, swing frame; 23, third oil cylinder; 24, fourth oil cylinder; 30, drilling mechanism; 31, mast arm; 32, slide; 32a, slide; 33, drill rod assembly; 331, power part; 332, drill rod; 333, spiral blade; 34, sixth oil cylinder; 3 5. Pulley unit; 351. First fixed pulley; 352. Movable pulley block; 3521. First movable pulley; 3522. Second movable pulley; 353. Second fixed pulley; 354. Drilling wire rope; 355. Lifting wire rope; 36. First sliding shaft; 37. Guide bar; 38. Guide cylinder; 39. Anchor assembly; 391. Seventh oil cylinder; 392. Anchor rod; 393. Second sliding shaft; 394. Guide sleeve. DETAILED DESCRIPTION

[0024] The features and exemplary embodiments of various aspects of the present application will be described in detail below. In order to make the purpose, technical solutions and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only intended to explain the present application, rather than to limit the present application. For those skilled in the art, the present application can be implemented without the need for some of these specific details. The following description of the embodiments is only to provide a better understanding of the present application by illustrating the examples of the present application.

[0025] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "include..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0026] like Figure 1 and Figure 2As shown, this embodiment provides a drilling device, which can be used in conjunction with existing wheeled or tracked vehicles, and can greatly improve the adaptability of the drilling ground and the working distance. The drilling device includes a first adjustment mechanism 10, a second adjustment mechanism 20 and a drilling mechanism 30, which are specifically as follows:

[0027] like Figure 3 As shown, the first adjustment mechanism 10 includes a first arm 11, a second arm 12, a first cylinder 13 and a second cylinder 14; the first end of the first arm 11 is hinged to an external structure (for example, a vehicle body) through a first pin 10a, and the first end of the second arm 12 is hinged to the second end of the first arm 11 through a second pin 10b; the first end of the first cylinder 13 is hinged to the external structure through a third pin 10c, and the second end of the first cylinder 13 is hinged to the second end of the first arm 11 through a fourth pin 10d. When the first cylinder 13 is extended or retracted, the first arm 11 can rotate around the first pin 10a, thereby realizing the folding action of lifting and retracting the first arm 11; the first end of the second cylinder 14 is hinged to the first end of the first arm 11 through a fifth pin 10e, and the second end of the second cylinder 14 is hinged to the second arm 12 through a sixth pin 10f. When the second cylinder 14 is extended or retracted, the second arm 12 can rotate around the fifth pin 10e, thereby realizing the folding action of lifting and retracting the second arm 12.

[0028] like Figure 4 As shown, the second adjustment mechanism 20 includes a telescopic arm 21, a swing frame 22, a third oil cylinder 23 and a fourth oil cylinder 24; one end of the telescopic arm 21 is fixedly connected to the second arm 12 or the telescopic arm 21 and the second arm 12 are integrally formed, and the telescopic arm 21 can be extended to change its overall length; the swing frame 22 is movably connected (for example, hinged) to the other end of the telescopic arm 21, so that the swing frame 22 can swing left and right to a certain amplitude, and the back side of the drilling mechanism 30 is hinged to the swing frame 22; one end of the third oil cylinder 23 is hinged to the end of the telescopic arm 21, and the other end of the third oil cylinder 23 is hinged to the swing frame 22; one end of the fourth oil cylinder 24 is hinged to the swing frame 22, and the other end of the fourth oil cylinder 24 is hinged to the back side of the drilling mechanism 30. In this embodiment, the third oil cylinder 23 can drive the swing frame 22 and the drilling mechanism 30 to swing left and right, and the fourth oil cylinder 24 can drive the drilling mechanism 30 to perform pitch motion in the vertical direction, thereby realizing that the drilling mechanism 30 adjusts the verticality of the drilling hole.

[0029] like Figure 4As shown, in this embodiment, the telescopic arm 21 includes a first telescopic arm 211, a second telescopic arm 212 and a fifth oil cylinder 213. The first telescopic arm 211 and the second telescopic arm 212 are coaxially slidably sleeved, the first telescopic arm 211 is sleeved on the outside of the second telescopic arm 212, one end of the fifth oil cylinder 213 is hinged to the inside of the first telescopic arm 211, the other end of the fifth oil cylinder 213 is hinged to the second telescopic arm 212, and the telescopic direction of the fifth oil cylinder 213 is consistent with the telescopic direction of the telescopic arm 21, and the first telescopic arm 211 and the second telescopic arm 212 are driven by the fifth oil cylinder 213 to adjust the length. The end of the first telescopic arm 211 away from the swing frame 22 is fixedly connected to the second arm 12 or is integrally formed with the second arm 12, and the end of the second telescopic arm 212 away from the second arm 12 is connected to the swing frame 22.

[0030] like Figure 5 As shown, the drilling mechanism 30 includes a mast arm 31, a slide 32, a drill rod assembly 33, a sixth oil cylinder 34 and a pulley assembly; the back side of the mast arm 31 is hinged to the swing frame 22 and the fourth oil cylinder 24 respectively; the slide 32 is slidably arranged on the mast arm 31, and the sliding direction of the slide 32 is configured as the length direction of the mast arm 31; the drill rod assembly 33 is arranged on the slide 32, and the drill rod assembly 33 is used for drilling, and the drill rod assembly 33 is driven by the slide 32 to drill or lift; the sixth oil cylinder 34 is arranged inside the mast arm 31, the telescopic end of the sixth oil cylinder 34 is hinged to the pulley assembly, and the telescopic direction of the sixth oil cylinder 34 is consistent with the sliding direction of the slide 32; the pulley assembly is arranged in the mast arm 31, and the pulley assembly is driven to move by the telescopic movement of the sixth oil cylinder 34, and the pulley assembly drives the slide 32 to slide on the mast arm 31.

[0031] like Figure 6 As shown, in this embodiment, in order to ensure the stability of the slide 32 when sliding, a guide bar 37 (rectangular steel pipe) is provided on the left and right side walls of the mast arm 31, and the length direction of the guide bar 37 is consistent with the sliding direction of the slide 32; a slide groove is provided on the slide 32, and the guide bar 37 is inserted into the slide groove.

[0032] like Figure 7 As shown ( Figure 7 The two dotted boxes on the left and right represent pulley units), and the pulley assembly includes a pulley unit 35 and a first pulley shaft 36; in this embodiment, a total of two pulley units 35 are provided, and along the width direction of the mast arm 31, the two pulley units 35 are respectively arranged on the left and right sides of the mast arm 31, and the sixth oil cylinder 34 is arranged in the middle position of the two pulley units 35.

[0033] like Figures 8 to 10As shown, the pulley unit 35 includes a first fixed pulley 351, a movable pulley group 352, a second fixed pulley 353, a drilling wire rope 354 and a lifting wire rope 355; along the length direction of the mast arm 31, the first fixed pulley 351 is arranged at the upper end of the mast arm 31, the second fixed pulley 353 is arranged at the lower end of the mast arm 31, the movable pulley group 352 is arranged between the first fixed pulley 351 and the second fixed pulley 353, and the movable pulley groups 352 of the two pulley units 35 are connected by a first sliding shaft 36, the first sliding shaft 36 can move in the length direction of the mast arm 31, the telescopic end of the sixth oil cylinder 34 is hinged to the middle position of the first sliding shaft 36, and the first sliding shaft 36 is driven to slide by the sixth oil cylinder 34.

[0034] The movable pulley set 352 includes a first movable pulley 3521 and a second movable pulley 3522 which are arranged in parallel on the first sliding shaft 36. When the first sliding shaft 36 slides, the first movable pulley 3521 and the second movable pulley 3522 can move accordingly.

[0035] One end of the drilling wire rope 354 is fixedly set on the mast arm 31, and the other end of the drilling wire rope 354 passes through the first movable pulley 3521, the first fixed pulley 351 and the second fixed pulley 353 in sequence and is connected to the slide 32. When drilling is required, the sixth oil cylinder 34 is retracted, driving the first slide shaft 36 and the first movable pulley 3521 to move downward, and the other end of the drilling wire rope 354 pulls the slide 32 and the drill rod assembly 33 on the slide 32 toward the ground.

[0036] One end of the lifting wire rope 355 is fixedly arranged on the mast arm 31, and the other end of the lifting wire rope 355 passes around the second movable pulley 3522 and is connected to the slide 32. When lifting is required, the sixth oil cylinder 34 extends to drive the first slide shaft 36 and the second movable pulley 3522 to move upward, and the other end of the lifting wire rope 355 pulls the slide 32 and the drill rod assembly 33 on the slide 32 away from the ground.

[0037] The layout of the pulley unit 35 in this embodiment is compact in structure, can increase the drilling stroke, is symmetrically arranged on the left and right, and has a more reasonable force. The sixth oil cylinder 34 drives the lifting and drilling operations, which is more efficient, has a higher hydraulic volumetric efficiency, and has greater lifting force and drilling force.

[0038] Please refer again Figure 5The drill rod assembly 33 includes a power piece 331, a drill rod 332 and a spiral blade 333 arranged on the drill rod 332. The power piece 331 can be a component with rotational driving capability such as a motor; the power piece 331 is fixedly arranged on the slide 32, and the output end of the power piece 331 is connected to the drill rod 332, and the drill rod 332 is driven to rotate by the power piece 331, wherein the axial direction of the drill rod 332 is consistent with the sliding direction of the slide 32; the spiral blade 333 is spirally arranged on the drill rod 332 along the axial direction of the drill rod 332 for drilling holes.

[0039] Please refer again Figure 5 In this embodiment, the drilling mechanism 30 also includes a guide cylinder 38, which is fixedly mounted on the outside of the mast arm 31 and coaxially arranged below the drill rod 332. When drilling downward or lifting upward, the drill rod 332 and the spiral blade 333 pass through the guide cylinder 38, and the guide cylinder 38 guides the drill rod 332.

[0040] The drilling mechanism 30 further includes an anchoring assembly 39, which can be extended and inserted into the drilling reference surface during drilling to play a stabilizing role.

[0041] like Fig.11 As shown, the anchor assembly 39 includes a seventh oil cylinder 391, an anchor rod 392 and a second sliding shaft 393; the seventh oil cylinder 391 is fixedly arranged in the mast arm 31, and the telescopic direction of the seventh oil cylinder 391 is consistent with the drilling direction; there are at least two anchor rods 392 (preferably two in this embodiment), and the lower side of the mast arm 31 is provided with through holes corresponding to the anchor rods 392 one by one, and the lower end of the anchor rod 392 can pass through the through holes downward and be inserted into the drilling reference surface, thereby playing a stabilizing role; the two ends of the second sliding shaft 393 are respectively connected to two anchor rods 392, and the axial direction of the second sliding shaft 393 is perpendicular to the axial direction of the anchor rod 392; the telescopic end of the seventh oil cylinder 391 is hinged to the middle position of the second sliding shaft 393, and the second sliding shaft 393 and the anchor rod 392 are driven to move downward through the seventh oil cylinder 391, and the anchor rod 392 is inserted into the drilling reference surface to play an anchoring role, which can stabilize the torque influence of the vehicle body caused by drilling. Furthermore, the lower end of the anchor rod 392 is configured to be conical, and the conical shape facilitates insertion into the drilling reference surface.

[0042] In this embodiment, all the cylinders (ie, the first to seventh cylinders) are selected as telescopic cylinders.

[0043] like Fig.11 As shown, in this embodiment, the anchor assembly 39 also includes a guide sleeve 394 fixed on the inner side of the mast arm 31. The guide sleeve 394 is arranged in a one-to-one correspondence with the anchor rod 392, and the guide sleeve 394 is coaxially sleeved on the anchor rod 392 to stabilize and guide the anchor rod 392.

[0044] The above is only a specific implementation of the present application. Those skilled in the art can clearly understand that for the convenience and simplicity of description, the specific working processes of the systems, modules and units described above can refer to the corresponding processes in the aforementioned method embodiments, and will not be repeated here. It should be understood that the protection scope of the present application is not limited to this. Any technician familiar with the technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed in this application, and these modifications or replacements should be included in the protection scope of this application.

Claims

1. A drilling device, characterized in that: include: The first adjustment mechanism (10) comprises a first arm (11), a second arm (12), a first oil cylinder (13) and a second oil cylinder (14); one end of the first arm (11) is hinged to an external structure via a first pin (10a), and one end of the second arm (12) is hinged to the other end of the first arm (11) via a second pin (10b); one end of the first oil cylinder (13) is hinged to the external structure via a third pin (10c), and the other end of the first oil cylinder (13) is hinged to the other end of the first arm (11) via a fourth pin (10d); one end of the second oil cylinder (14) is hinged to one end of the first arm (11) via a fifth pin (10e), and the other end of the second oil cylinder (14) is hinged to the second arm (12) via a sixth pin (10f); The second adjustment mechanism (20) comprises a telescopic arm (21), a swing frame (22), a third oil cylinder (23) and a fourth oil cylinder (24); one end of the telescopic arm (21) is connected to the second arm (12); the swing frame (22) is movably connected to the other end of the telescopic arm (21); one end of the third oil cylinder (23) is connected to the telescopic arm (21), and the other end is connected to the swing frame (22), and the swing frame (22) is driven by the third oil cylinder (23) to swing horizontally left and right; one end of the fourth oil cylinder (24) is hinged to the swing frame (22), and the other end is hinged to the drilling mechanism (30); One end of the drilling mechanism (30) is hinged to the swing frame (22) and is used for drilling; The drilling mechanism (30) comprises a mast arm (31), a slide (32), a drill rod assembly (33), a sixth oil cylinder (34) and a pulley assembly; The back side of the mast arm (31) is hinged to the swing frame (22), and the other end of the fourth oil cylinder (24) is hinged to the back side of the mast arm (31), and the mast arm (31) is driven to pitch through the fourth oil cylinder (24); the slide (32) is slidably arranged on the mast arm (31) along the length direction of the mast arm; the drill rod assembly (33) is arranged on the slide (32) for drilling holes; the sixth oil cylinder (34) is arranged in the mast arm (31), the telescopic end of the sixth oil cylinder (34) is connected to the pulley assembly, the pulley assembly is connected to the slide (32), and the sixth oil cylinder (34) drives the slide (32) to slide on the mast arm (31) through the pulley assembly; The pulley assembly comprises a pulley unit (35) and a first pulley shaft (36); Two pulley units (35) are arranged in parallel inside the mast arm (31) along the width direction of the mast arm, and the sixth oil cylinder (34) is located between the two pulley units (35); The pulley unit (35) comprises a first fixed pulley (351), a movable pulley group (352), a second fixed pulley (353), a drilling wire rope (354) and a lifting wire rope (355); along the length direction of the mast arm, the first fixed pulley (351), the movable pulley group (352) and the second fixed pulley (353) are sequentially arranged in the mast arm (31); the movable pulley groups (352) of the two pulley units (35) are connected via the first sliding shaft (36); the telescopic end of the sixth oil cylinder (34) is connected to the first sliding shaft (36); The movable pulley group (352) comprises a first movable pulley (3521) and a second movable pulley (3522) which are arranged in parallel on the first pulley shaft (36); one end of the drilling wire rope (354) is fixedly arranged on the mast arm (31), and the other end of the drilling wire rope (354) passes through the first movable pulley (3521), the first fixed pulley (351) and the second fixed pulley (353) in sequence and is connected to the slide (32); one end of the lifting wire rope (355) is fixedly arranged on the mast arm (31), and the other end of the lifting wire rope (355) passes through the second movable pulley (3522) and is connected to the slide (32).

2. The drilling device according to claim 1, characterized in that: The telescopic arm (21) comprises a first telescopic sub-arm (211), a second telescopic sub-arm (212) and a fifth oil cylinder (213); the first telescopic sub-arm (211) is slidably sleeved on the outer periphery of the second telescopic sub-arm (212); one end of the first telescopic sub-arm (211) away from the swing frame (22) is fixedly connected to the second arm (12); the swing frame (22) is provided at the end of the second telescopic sub-arm (212); and the first telescopic sub-arm (211) and the second telescopic sub-arm (212) are hingedly connected at both ends of the fifth oil cylinder (213) respectively.

3. The drilling device according to claim 1, characterized in that: A guide bar (37) is fixedly provided on the outer side of the mast arm (31), and the length direction of the guide bar (37) is consistent with the sliding direction of the slide (32); a slide groove (32a) is provided on the slide (32), and the guide bar (37) is inserted into the slide groove (32a).

4. The drilling device according to claim 1, characterized in that: The drill rod assembly (33) comprises a power piece (331), a drill rod (332), and a spiral blade (333) arranged on the drill rod; the power piece (331) is arranged on a slide (32); and the drill rod (332) is connected to an output end of the power piece (331).

5. The drilling device according to claim 4, characterized in that: The drilling mechanism (30) further comprises a guide cylinder (38) arranged on the mast arm (31), and the guide cylinder (38) is arranged corresponding to the drilling rod assembly (33).

6. The drilling device according to claim 1 or 5, characterized in that: The drilling mechanism (30) further comprises an anchoring assembly (39); the anchoring assembly (39) comprises a seventh oil cylinder (391), an anchor rod (392) and a second sliding shaft (393); The seventh oil cylinder (391) is fixedly arranged in the mast arm (31), and the telescopic direction of the seventh oil cylinder (391) is consistent with the drilling direction; a plurality of anchor rods (392) are slidably arranged on the mast arm (31) along the drilling direction; the second sliding shaft (393) is connected to the plurality of anchor rods (392); and the telescopic end of the seventh oil cylinder (391) is connected to the second sliding shaft (393).

7. The drilling device according to claim 6, characterized in that The anchoring assembly (39) further comprises a guide sleeve (394) fixed on the mast arm (31), the guide sleeve (394) corresponding to the anchor rod (392) one by one, and the guide sleeve (394) is coaxially sleeved on the anchor rod (392).

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