Auxiliary guide device for drill rod

Abstract

The utility model provides a drill pipe auxiliary guiding device which comprises two guiding sleeve mechanisms, a plurality of supporting rod assemblies, a plurality of connecting rod assemblies and a reinforcing rib assembly, the two guiding sleeve mechanisms are arranged on the outer side of a drill pipe in a sleeved mode respectively, each guiding sleeve mechanism comprises a plurality of bearing bush assemblies, and the bearing bush assemblies are connected end to end; one end of each supporting rod assembly is connected with the corresponding bearing bush assembly in one guide sleeve mechanism, and the other end of each supporting rod assembly is fixed to the ground; one end of each connecting rod assembly is connected with the corresponding supporting rod assembly, and the other end of each connecting rod assembly is connected with the corresponding bearing bush assembly in the other guide sleeve mechanism. According to the auxiliary guide device for the drill rod, a plurality of triangular stable structures are formed among the supporting rod assembly, the connecting rod assembly, the drill rod and the reinforcing rib assembly, so that the integrity of the auxiliary guide device is optimized.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of drill pipe drilling technology especially, a kind of drill pipe auxiliary guiding device. BACKGROUND

[0002] In drilling engineering, drill pipe as the key component of power transmission and torque, its stability and guiding precision directly affect drilling efficiency, safety and hole quality. Auxiliary support using guiding device can correct deviation, prevent inclination, inhibit vibration and vortex phenomenon, and reduce the risk of well wall scouring.

[0003] At present, the guiding device matched with drill pipe usually adopts the structural design of one center part matched with multiple supporting legs. However, in actual drilling process, due to the complex dynamic load borne by drill pipe, single supporting leg is prone to tilt when subjected to external force, leading to uneven distribution of supporting force, and further affecting the stability and overall performance of the whole guiding device. SUMMARY

[0004] The utility model aims at at least one of the above-mentioned technical problems in the technical field.

[0005] Therefore, one purpose of the utility model is to provide a drill pipe auxiliary guiding device, multiple triangular stable structures are formed between strut rod assembly, connecting rod assembly, drill pipe and reinforcing rib assembly, so as to optimize the integrity of the device.

[0006] To achieve the above purpose, the utility model provides a drill pipe auxiliary guiding device in the first aspect, which comprises two guiding sleeve mechanisms, multiple strut rod assemblies, multiple connecting rod assemblies and a reinforcing rib assembly, wherein the two guiding sleeve mechanisms are respectively sleeved on the outer side of drill pipe, the guiding sleeve mechanism comprises multiple bearing assemblies, wherein the multiple bearing assemblies are connected end to end, one end of the multiple strut rod assemblies is connected with the corresponding bearing assembly in one guiding sleeve mechanism, the other end of the strut rod assembly is fixed on the ground, one end of the multiple connecting rod assemblies is connected with the corresponding strut rod assembly, the other end of the multiple connecting rod assemblies is connected with the corresponding bearing assembly in another guiding sleeve mechanism, a triangular structure is formed between the strut rod assembly, the connecting rod assembly and drill pipe, and another triangular structure is formed between the reinforcing rib assembly, the strut rod assembly and the connecting rod assembly.

[0007] In addition, the drill pipe auxiliary guiding device according to the utility model can have the following additional technical features.

[0008] Specifically, the bearing assembly comprises a first bearing, two fixing plates, two first fixing members and two balls, the two fixing plates are integrally connected with the first bearing respectively, and the two fixing plates are symmetrically arranged, the two first fixing members are arranged on two adjacent fixing plates, and the two balls are arranged on inner walls of the first bearing respectively and abut against outer walls of the drill rod.

[0009] Specifically, the brace rod assembly comprises a first connecting seat, a rod body, a foot and a plurality of earth boring bolts, the first connecting seat is arranged on an outer wall of the first bearing, one end of the rod body is pivotally connected with the first connecting seat, the foot is pivotally connected with the other end of the rod body, and the plurality of earth boring bolts are arranged on the foot respectively.

[0010] Specifically, the connecting rod assembly comprises a first hinge, a first connecting rod and a second connecting seat, the first hinge is connected with the rod body, one end of the first connecting rod is connected with the first hinge, the other end of the first connecting rod is pivotally connected with the second connecting seat, and the second connecting seat is mounted on an outer wall of one of the bearing assemblies in the guide sleeve mechanism.

[0011] Specifically, the reinforcing rib assembly comprises a second hinge, a reinforcing rod and a second fixing member, the second hinge is connected with the rod body, one end of the reinforcing rod is connected with the second hinge, a through slot is formed in an outer wall of the first connecting rod, the other end of the reinforcing rod extends into the through slot, and the second fixing member penetrates through the through slot and the reinforcing rod.

[0012] Compared with the prior art, the drill rod auxiliary guiding device has the following beneficial effects: the drill rod auxiliary guiding device comprises a brace rod assembly, a connecting rod assembly, a drill rod and a reinforcing rib assembly, and a plurality of triangular stable structures are formed between the brace rod assembly, the connecting rod assembly, the drill rod and the reinforcing rib assembly, so that the integrity of the device is optimized.

[0013] Additional aspects and advantages of the present application will be described in part in the description that follows, and will become apparent from the description, or can be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0014] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description, taken in conjunction with the following drawings, in which:

[0015] Figure 1 Fig. 1 is a perspective view of a drill rod auxiliary guiding device according to an embodiment of the present application;

[0016] Figure 2 Fig. 2 is a structural schematic view of a guide sleeve mechanism of the drill rod auxiliary guiding device according to an embodiment of the present application.

[0017] Reference numerals: 1. Guide sleeve mechanism; 11. Bearing assembly; 111. First bearing; 112. Fixing plate; 113. First fixing member; 114. Ball bearing; 2. Support rod assembly; 21. First connecting seat; 22. Rod body; 23. Anchor; 24. Ground bolt; 3. Connecting rod assembly; 31. First hinge; 32. First connecting rod; 33. Second connecting seat; 4. Reinforcing rib assembly; 41. Second hinge; 42. Reinforcing rod; 43. Second fixing member; 44. Through groove. Detailed Implementation

[0018] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.

[0019] The drill pipe auxiliary guide device of the present invention will now be described with reference to the accompanying drawings.

[0020] like Figures 1-2 As shown, the drill pipe auxiliary guiding device of this utility model embodiment may include two guide sleeve mechanisms 1, multiple support rod assemblies 2, multiple connecting rod assemblies 3, and reinforcing rib assembly 4.

[0021] Among them, two guide sleeve mechanisms 1 are respectively fitted on the outside of the drill pipe. The guide sleeve mechanism 1 includes multiple bearing assemblies 11, wherein the multiple bearing assemblies 11 are connected end to end.

[0022] One end of multiple strut assemblies 2 is connected to a corresponding bearing assembly 11 in a guide sleeve mechanism 1, and the other end of the strut assembly 2 is fixed to the ground.

[0023] One end of multiple connecting rod assemblies 3 is connected to the corresponding strut assembly 2, and the other end of multiple connecting rod assemblies 3 is connected to the corresponding bearing assembly 11 in another guide sleeve mechanism 1. The strut assembly 2, the connecting rod assembly 3 and the drill pipe form a triangular structure.

[0024] The reinforcing rib assembly 4, together with the strut assembly 2 and the connecting rod assembly 3, forms another triangular structure.

[0025] Specifically, two guide sleeve mechanisms 1 are respectively fitted onto the outside of the drill rod to be assisted, the connecting rod assembly 3 is made to be horizontal with the ground, the other end of multiple support rod assemblies 2 is fixed to the ground, and finally the reinforcing rib assembly 4 is fixed between the support rod assembly 2 and the connecting rod assembly 3.

[0026] The support rod assembly 2, the connecting rod assembly 3 and the drill rod form a triangular structure, the reinforcing rib assembly 4 and the support rod assembly 2 and the connecting rod assembly 3 form another triangular structure, the stability of the plurality of triangular structures and the integrity of the device are improved when the device is subjected to a force.

[0027] In the above embodiment, the plurality of bearing assemblies 11 are detachably connected, and the support rod assembly 2, the connecting rod assembly 3 and the reinforcing rib assembly 4 are mostly pivotally connected, and such a connection mode facilitates the storage and transportation of the device.

[0028] In an embodiment of the present application, as shown in Figure 1 and Figure 2 The bearing assembly 11 comprises a first bearing 111, two fixed plates 112, two first fixing members 113 and two balls 114.

[0029] The two fixed plates 112 are integrally connected with the first bearing 111 respectively, the two fixed plates 112 are symmetrically arranged, the two first fixing members 113 are arranged on the two adjacent fixed plates 112, the two balls 114 are arranged on the inner wall of the first bearing 111 respectively, and the ball 114 abuts against the outer wall of the drill rod.

[0030] It can be understood that the ball 114 rolls on the surface of the drill rod during the drilling process of the drill rod, and the friction between the device and the drill rod can be reduced.

[0031] The plurality of bearing assemblies 11 are connected through the first fixing member 113, which facilitates the installation of the device when the drilling of the drill rod is stopped, and the drill rod does not need to be taken out.

[0032] In an embodiment of the present application, as shown in Figure 1 The support rod assembly 2 comprises a first connecting seat 21, a rod body 22, a foot 23 and a plurality of earth drilling bolts 24.

[0033] The first connecting seat 21 is arranged on the outer wall of the first bearing 111, one end of the rod body 22 is pivotally connected with the first connecting seat 21, the foot 23 is pivotally connected with the other end of the rod body 22, and the plurality of earth drilling bolts 24 are arranged on the foot 23 respectively.

[0034] It can be understood that the earth drilling bolt 24 arranged on the foot 23 can play a temporary fixing role.

[0035] In an embodiment of the present application, as shown in Figure 1 The connecting rod assembly 3 comprises a first hinge member 31, a first connecting rod 32 and a second connecting seat 33.

[0036] The first connecting piece 31 is connected with the rod body 22, one end of the first connecting rod 32 is connected with the first connecting piece 31, the other end of the first connecting rod 32 is pivotally connected with the second connecting seat 33, and the second connecting seat 33 is installed on the outer wall of the bearing assembly 11 in the other guide sleeve mechanism 1.

[0037] In an embodiment of the present application, as shown in Figure 1 The reinforcing rib assembly 4 comprises a second connecting piece 41, a reinforcing rod 42 and a second fixing piece 43.

[0038] The second connecting piece 41 is connected with the rod body 22, one end of the reinforcing rod 42 is connected with the second connecting piece 41, a through slot 44 is formed in the outer wall of the first connecting rod 32, the other end of the reinforcing rod 42 extends into the through slot 44, and the second fixing piece 43 penetrates through the through slot 44 and the reinforcing rod 42.

[0039] It should be noted that, since the length of the drill rod above the ground is relatively long, the distance between the two guide sleeve mechanisms 1 needs to be expanded, and the integrity of the drill rod and the device is increased.

[0040] When the supporting position of the drill rod is changed, that is, the position between the two guide sleeve mechanisms 1 is changed, the position of the second fixing piece 43 and one end of the reinforcing rod 42 in the through slot 44 is changed, and the supporting rod assembly 2, the connecting rod assembly 3, the reinforcing rib assembly 4 and the drill rod can still form a plurality of triangular stable structures.

[0041] As a possible case, in order to further expand the range of position change between the two guide sleeve mechanisms 1 and improve the integrity between the drill rod and the device, the reinforcing rod 42 is a telescopic self-locking rod, which comprises a telescopic rod and a locking knob, so as to adapt to the position change between the supporting rod assembly 2 and the connecting rod assembly 3.

[0042] In summary, the drill rod auxiliary guide device of the present application forms a plurality of triangular stable structures between the supporting rod assembly, the connecting rod assembly, the drill rod and the reinforcing rib assembly, thereby optimizing the integrity of the device.

[0043] In the description of the present application, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second" can be explicitly or implicitly included at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, for example, two, three, etc., unless otherwise specifically limited.

[0044] In the description of the present specification, the description referring to the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. Furthermore, the person skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples, without contradiction.

[0045] Although the embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and the person skilled in the art can make changes, modifications, replacements and deformations to the above embodiments within the scope of the present application.

Claims

1. A drill pipe assisted steering device, characterized in that, The utility model relates to a kind of drilling rig, including: Two guide sleeve mechanisms (1), multiple strut rod assemblies (2), multiple connecting rod assemblies (3) and reinforcing rib assemblies (4), wherein, Two described guide sleeve mechanisms (1) are respectively sleeved on the outside of drill pipe, the guide sleeve mechanism (1) includes multiple bearing assembly (11), wherein, multiple described bearing assembly (11) is connected head to tail; One end of multiple described strut rod assemblies (2) is connected with corresponding described bearing assembly (11) in one described guide sleeve mechanism (1), and the other end of the strut rod assembly (2) is fixed on the ground; One end of multiple described connecting rod assemblies (3) is connected with corresponding described strut rod assembly (2), and the other end of the connecting rod assembly (3) is connected with corresponding described bearing assembly (11) in another described guide sleeve mechanism (1), and a triangle structure is formed between the strut rod assembly (2), the connecting rod assembly (3) and drill pipe; Described reinforcing rib assembly (4) and described strut rod assembly (2) and described connecting rod assembly (3) form another triangle structure.

2. The drill pipe auxiliary guide of claim 1, wherein, Described bearing assembly (11) includes first bearing (111), two fixed plates (112), two first fixed parts (113) and two ball bearings (114), wherein, Two described fixed plates (112) are integrally connected with the first bearing (111), and two described fixed plates (112) are symmetrically arranged; Two described first fixed parts (113) are arranged on two adjacent described fixed plates (112); Two described ball bearings (114) are arranged on the inner wall of the first bearing (111), and the ball bearing (114) is in contact with the outer wall of drill pipe.

3. The drill pipe auxiliary guide of claim 2, wherein, Described strut rod assembly (2) includes first connecting seat (21), rod body (22), footing (23) and multiple earth boring bolts (24), wherein, Described first connecting seat (21) is arranged on the outer wall of the first bearing (111), one end of the rod body (22) is pivotally connected with the first connecting seat (21), the footing (23) is pivotally connected with the other end of the rod body (22), and multiple earth boring bolts (24) are arranged on the footing (23).

4. The drill pipe auxiliary guide of claim 3, wherein, Described connecting rod assembly (3) includes first hinged part (31), first connecting rod (32) and second connecting seat (33), wherein, Described first hinged part (31) is connected with the rod body (22), one end of the first connecting rod (32) is connected with the first hinged part (31), the other end of the first connecting rod (32) is pivotally connected with the second connecting seat (33), and the second connecting seat (33) is installed on the outer wall of one described bearing assembly (11) in another described guide sleeve mechanism (1).

5. The drill pipe auxiliary guide of claim 4, wherein, Described reinforcing rib assembly (4) includes second hinged part (41), reinforcing rod (42) and second fixed part (43), wherein, The second hinge (41) is connected with the rod body (22), one end of the reinforcing rod (42) is connected with the second hinge (41), a through slot (44) is arranged on the outer wall of the first connecting rod (32), the other end of the reinforcing rod (42) extends to the inside of the through slot (44), and the second fixing part (43) penetrates the through slot (44) and the reinforcing rod (42).

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