Lifting mechanism of long spiral drilling machine

Abstract

The utility model belongs to the field of engineering machinery, and particularly relates to a lifting mechanism of a long spiral drilling machine. Comprising a drilling mast and a gooseneck boom, the drilling mast and the gooseneck boom are connected through pin shafts at the two ends, a first fixed pulley, a second fixed pulley, a third fixed pulley, a fourth fixed pulley, a first auxiliary reel fixed pulley and a third auxiliary reel fixed pulley are arranged on the gooseneck boom in the vertical direction, and a second auxiliary reel fixed pulley is arranged on the gooseneck boom in the horizontal direction; the power head can slide up and down on the mast along the mast guide rail; a main winding steel wire rope comes out of the main winch, sequentially winds around a third fixed pulley, a second fixed pulley, a power head movable pulley, a first fixed pulley and a fourth fixed pulley and then is fixed to the drilling mast. The auxiliary reel steel wire rope comes out of the auxiliary winch and sequentially bypasses the first auxiliary reel fixed pulley, the second auxiliary reel fixed pulley and the third auxiliary reel fixed pulley. According to the lifting mechanism of the long spiral drilling machine, the lifting force can be increased by two times, the drilling mast can bear small bending stress due to the reasonable structural arrangement, and the stability of the whole machine structure is facilitated.

Description

Technical Field

[0001] The invention belongs to the field of engineering machinery, and in particular relates to a lifting mechanism of a long spiral drilling machine. Background Art

[0002] The description of the background technology in this utility model belongs to the related technology related to the utility model, which is only used to illustrate and facilitate the understanding of the content of the utility model, and should not be understood as the applicant explicitly believing or inferring that the applicant believes that it is the prior art on the filing date of the first application of the utility model.

[0003] At present, the single-rate pulley system is commonly used in the lifting mechanism of long spiral drilling rigs. Due to the deviation of the goose head relative to the center of the drill mast, the drill mast needs to withstand a large complete deformation, resulting in a decrease in lifting force, thus affecting construction efficiency.

[0004] Chinese patent CN203729911U discloses a V-shaped goosehead hoisting mechanism. The goosehead is equipped with two fixed pulleys and the power head is equipped with two movable pulleys. By correctly winding the main winch hoist rope, the lifting force of the wire rope can achieve a four-fold lifting effect, effectively increasing the lifting force of the drilling rig and improving construction efficiency. Although the main winch lifting force is increased by four times, the lifting speed is also reduced exponentially. In addition, the asymmetric goosehead structure does not fully consider its impact on the drill mast. Due to the presence of bending stress, the drill mast will deform, which is not conducive to the stability of the entire machine structure. Utility Model Content

[0005] The purpose of the embodiment of the present invention is to provide a lifting mechanism for a long spiral drilling rig. The lifting force of the lifting mechanism of the long spiral drilling rig of the present invention can achieve a lifting rate of 2 times. The reasonable structural layout can make the drill mast subject to very small bending stress, which is beneficial to the stability of the entire machine structure. In addition, the spatial layout can simultaneously realize the main reel lifting and auxiliary reel auxiliary lifting.

[0006] The purpose of this utility model is achieved through the following technical solutions:

[0007] A lifting mechanism for a long spiral drilling rig comprises a drill mast and a goose head, wherein the drill mast and the goose head are connected by pin shafts at both ends; fixed pulley 1, fixed pulley 2, fixed pulley 3, fixed pulley 4, auxiliary winding fixed pulley 1, and auxiliary winding fixed pulley 3 are arranged in the vertical direction of the goose head, and auxiliary winding fixed pulley 2 is arranged in the horizontal direction; the power head can slide up and down on the mast along the mast guide rail; the main winding wire rope comes out from the main winch, passes through fixed pulley 3, fixed pulley 2, power head movable pulley, fixed pulley 1, and fixed pulley 4 in sequence, and is then fixed on the drill mast; the auxiliary winding wire rope comes out from the auxiliary winch, passes through auxiliary winding fixed pulley 1, auxiliary winding fixed pulley 2, and auxiliary winding fixed pulley 3 in sequence.

[0008] Furthermore, the fixed pulley one and the fixed pulley two are symmetrically arranged on both sides of the goose head as are the fixed pulley three and the fixed pulley four.

[0009] Furthermore, the auxiliary winding fixed pulley 2 is arranged in the middle of the top end of the goose head.

[0010] Furthermore, the auxiliary winding fixed pulley one is located between the fixed pulley three and the fixed pulley four.

[0011] Furthermore, the auxiliary winding fixed pulley three is located on the side of the goose head opposite to the auxiliary winding fixed pulley one, and the auxiliary winding fixed pulley three is located on one side of the fixed pulley one and the fixed pulley two.

[0012] By means of the above solution, the present invention has at least the following beneficial effects:

[0013] The utility model provides a lifting mechanism for a long spiral drilling rig, the lifting force of which can achieve a lifting rate of 2 times. The reasonable structural arrangement can make the drill mast subject to very small bending stress, which is beneficial to the stability of the entire machine structure. In addition, the spatial arrangement can simultaneously realize the main reel lifting and the auxiliary reel auxiliary lifting. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solution of the present invention, the following is a brief introduction to the drawings required for describing the embodiments:

[0015] Figure 1 This is a schematic diagram of the overall structure of a lifting mechanism of a long spiral drilling rig of the present invention;

[0016] Figure 2 This is a schematic diagram of the overall structure of the goose head part of the lifting mechanism of a long spiral drilling machine in the utility model;

[0017] Figure 3 for Figure 2 Right view;

[0018] Figure 4 for Figure 2 Top view of . DETAILED DESCRIPTION

[0019] The present invention will be further described in detail below in conjunction with the embodiments. It should be understood that the embodiments are intended to make it easier for those skilled in the art to understand the technical solutions of the present invention, and cannot be used as a limitation on the scope of protection of the present invention.

[0020] In the following description, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance. The following description provides multiple embodiments of the present invention, and different embodiments can be replaced or combined, so the present invention can also be considered to include all possible combinations of the same and / or different embodiments described. Therefore, if one embodiment includes features A, B, and C, and another embodiment includes features B and D, then the present invention should also be considered to include embodiments containing one or more of all other possible combinations of A, B, C, and D, even though such embodiments may not be explicitly described in the following text.

[0021] Combine Figure 1-4 A lifting mechanism of a long spiral drilling rig includes a drill mast 1 and a goose head 4, which are connected by pin shafts at both ends. Fixed pulley 1 7, fixed pulley 2 8, fixed pulley 3 9, fixed pulley 4 10, auxiliary winding fixed pulley 1 11, and auxiliary winding fixed pulley 3 13 are arranged in the vertical direction of the goose head 4, and auxiliary winding fixed pulley 2 12 is arranged in the horizontal direction; the power head 6 can slide up and down on the mast along the mast guide rail; the main winding wire rope 2 comes out from the main winch, passes around fixed pulley 3 9, fixed pulley 2 8, power head movable pulley 5, fixed pulley 1 7, and fixed pulley 4 10 in turn, and is then fixed on the drill mast; the auxiliary winding wire rope 3 comes out from the auxiliary winch, passes around auxiliary winding fixed pulley 11, auxiliary winding fixed pulley 2 12, and auxiliary winding fixed pulley 3 13 in turn.

[0022] The utility model provides a lifting mechanism for a long spiral drilling machine, and the lifting force can achieve a lifting rate of 2 times.

[0023] In some embodiments of the present invention, the fixed pulley 1 7 and the fixed pulley 2 8 are symmetrically arranged on both sides of the fixed pulley 3 9 and the fixed pulley 4 10 on both sides of the goose head.

[0024] In some embodiments of the present invention, the auxiliary winding fixed pulley 2 12 is arranged in the middle of the top end of the goose head.

[0025] Reasonable structural arrangement can make the drill mast subject to very small bending stress, which is beneficial to the stability of the whole machine structure.

[0026] In some embodiments of the present invention, the auxiliary winding fixed pulley 11 is located between the fixed pulley 3 9 and the fixed pulley 4 10.

[0027] In some embodiments of the present invention, the auxiliary roll fixed pulley 3 13 is located on the goose head 4 on the side opposite to the auxiliary roll fixed pulley 1 11, and the auxiliary roll fixed pulley 3 13 is located on one side of the fixed pulley 1 7 and the fixed pulley 2 8. In addition, the spatial arrangement can simultaneously achieve the main roll lifting and auxiliary roll auxiliary lifting.

[0028] In the structure described, the goose head 4 and the power head 6 have different structural forms.

[0029] Working principle:

[0030] The drill mast 1 and the goose head 4 are connected by pins at both ends. Fixed pulleys 7, 8, 9, 10, 11, and 13 are arranged vertically on the goose head 4, and a fixed pulley 12 is arranged horizontally. The power head 6 can slide up and down on the mast along the mast guide rail, driving the lifting and lowering of the drill rod, thereby achieving drilling of the drilling rig. The main reel wire rope 2 comes out from the main winch, passes through the fixed pulley 9, fixed pulley 8, the power head movable pulley 5, fixed pulley 7, and fixed pulley 10 in sequence, and is finally fixed to the drill mast. Due to the presence of the power head movable pulley 5, the lifting system can achieve a lifting effect of 2 times the rate, effectively increasing the lifting force of the drilling rig. In addition, because the main pulley mechanism of the goose head is basically symmetrical, it will not generate excessive bending moment on the drill mast, thereby reducing the bending deformation of the drill mast and facilitating the structural stability of the entire machine. The auxiliary winding wire rope 3 comes out from the auxiliary winch and passes around the fixed pulley 11, the fixed pulley 12, and the fixed pulley 13 in sequence. Due to the spatial dislocation, the main winding wire rope and the auxiliary winding wire rope do not interfere with each other. Therefore, this structure can simultaneously realize the lifting of the main winding wire rope and the auxiliary lifting of the auxiliary winding wire rope.

[0031] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A lifting mechanism for a long spiral drilling rig, characterized in that: The utility model comprises a drilling mast (1) and a goose head (4), wherein the drilling mast (1) and the goose head (4) are connected by pin shafts at both ends; a fixed pulley 1 (7), a fixed pulley 2 (8), a fixed pulley 3 (9), a fixed pulley 4 (10), an auxiliary winding fixed pulley 1 (11), and an auxiliary winding fixed pulley 3 (13) are arranged in the vertical direction of the goose head (4); and an auxiliary winding fixed pulley 2 (12) is arranged in the horizontal direction; a power head (6) can slide up and down on the mast along the mast guide rail; a main winding wire rope (2) comes out from the main winch, passes through the fixed pulley 3 (9), the fixed pulley 2 (8), the power head movable pulley (5), the fixed pulley 1 (7), and the fixed pulley 4 (10) in sequence, and is then fixed on the drilling mast; an auxiliary winding wire rope (3) comes out from the auxiliary winch, passes through the auxiliary winding fixed pulley 1 (11), the auxiliary winding fixed pulley 2 (12), and the auxiliary winding fixed pulley 3 (13) in sequence.

2. The lifting mechanism of the long spiral drilling machine according to claim 1, characterized in that: The fixed pulley 1 (7) and the fixed pulley 2 (8) and the fixed pulley 3 (9) and the fixed pulley 4 (10) are symmetrically arranged on both sides of the goose head.

3. The lifting mechanism of the long spiral drilling machine according to claim 1, characterized in that: The auxiliary winding fixed pulley 2 (12) is arranged at the middle part of the top end of the goose head.

4. The lifting mechanism of the long spiral drilling machine according to claim 1, characterized in that: The auxiliary winding fixed pulley 1 (11) is located between the fixed pulley 3 (9) and the fixed pulley 4 (10).

5. The lifting mechanism of the long spiral drilling machine according to claim 4, characterized in that: Auxiliary winding fixed pulley three (13) is located on the goose head (4) on the side opposite to auxiliary winding fixed pulley one (11), and the auxiliary winding fixed pulley three (13) is located on one side of fixed pulley one (7) and fixed pulley two (8).

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