Exploring tube non-magnetic drill rod

Abstract

The utility model discloses an exploring tube non-magnetic drill rod which comprises a tube body, a taper connector is fixedly installed on the outer surface of the upper end of the tube body, a taper hole is formed in the outer surface of the lower end of the tube body, external threads are formed in the outer wall of the taper connector, and internal threads are formed in the inner wall of the taper hole. Anti-loosening structures are arranged on the left side and the right side of the outer surface of the upper end of the conical connector, each anti-loosening structure comprises a mounting hole, a compression spring, a guide rod, a guide groove, a semicircular head and a movable rod, the mounting holes are formed in the outer surface of the upper end of the conical connector, and the compression springs and the guide rods are located in the mounting holes; and one end of the movable rod extends into the mounting hole. According to the non-magnetic drill rod for the exploring tube, due to the arrangement of the anti-loosening structure, after the tube bodies are connected through the arrangement of the mounting hole, loosening after threaded connection is eliminated, and due to the arrangement of the anti-loosening structure, the stability of the movable rod moving along the mounting hole can be improved through the arrangement of the guide rod and the guide groove.

Description

Technical Field

[0001] The utility model relates to the technical field of non-magnetic drill rods, in particular to a probe non-magnetic drill rod. Background Art

[0002] Non-magnetic drill collars are mainly used to determine the direction of the wellbore during directional drilling. At the same time, they create a non-magnetic environment for magnetic measuring instruments during the directional process to ensure that the data measured by the magnetic measuring instruments are real geomagnetic field information. Non-magnetic drill collars generally include a rod body, one end of the rod body has a male connector, and the other end has a female connector.

[0003] In the prior art, a Chinese patent document with the authorization announcement number CN202249821U records a high-efficiency, wear-resistant, non-magnetic drill collar. The patent includes a tube body, an inner wall of one end of the tube body is provided with a tapered hole, an internal thread is provided in the tapered hole, and the other end of the tube body is provided with a tapered joint, and the surface of the tapered joint is provided with an external thread. The tube body is made of low-carbon, high-chromium-manganese alloy steel.

[0004] The non-magnetic drill pipes in the prior art are connected by threads. However, due to the influence of the use environment, the pipe bodies are easily loosened after being connected by threads.

[0005] Therefore, we propose a probe tube non-magnetic drill rod. Utility Model Content

[0006] 1. Technical issues to be solved

[0007] In view of the deficiencies in the prior art, the utility model provides a probe tube non-magnetic drill rod, which is convenient for improving the stability of the connection between the pipe bodies, eliminating the looseness after the connection, etc., and can effectively solve the problems in the background technology.

[0008] (II) Technical solution

[0009] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a probe tube non-magnetic drill rod, including a tube body, a tapered joint is fixedly installed on the upper outer surface of the tube body, a tapered hole is opened on the lower outer surface of the tube body, an outer wall of the tapered joint is opened with an external thread, and an inner wall of the tapered hole is opened with an internal thread, and anti-loosening structures are arranged on the left and right sides of the upper outer surface of the tapered joint, and the anti-loosening structure includes a mounting hole, a compression spring, a guide rod, a guide groove, a semicircular head and a movable rod, and the mounting hole is opened on the upper outer surface of the tapered joint.

[0010] Preferably, the compression spring and the guide rod are both located in the mounting hole, and one end of the movable rod extends into the mounting hole.

[0011] Preferably, the outer surface of one end of the guide rod is fixedly connected to the middle of one end of the mounting hole, the guide groove is opened in the middle of the outer surface of one end of the movable rod, one end of the guide rod extends into the guide groove, and the movable rod is slidably connected to the outer wall of the guide rod through the guide groove.

[0012] Preferably, the semicircular head is fixedly mounted on the outer surface of the other end of the movable rod, and the semicircular head, the outer wall of the movable rod and the mounting hole are slidably connected.

[0013] Preferably, the compression spring is movably sleeved on the outer wall of the guide rod, an outer surface of one end of the compression spring is fixedly connected to one end of the mounting hole, and an outer surface of the other end of the compression spring is fixedly connected to an outer surface of one end of the movable rod.

[0014] Preferably, an outer surface of one end of the movable rod is elastically connected to one end of the mounting hole via a compression spring.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the utility model provides a probe tube non-magnetic drill rod, which has the following beneficial effects:

[0017] 1. The non-magnetic drill rod of the probe tube is provided with an anti-loosening structure, which can eliminate loosening after the threaded connection after the pipe bodies are connected through the provided mounting holes.

[0018] 2. The anti-loosening structure of the probe tube non-magnetic drill rod can improve the stability of the movable rod moving along the installation hole through the provided guide rod and guide groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The utility model is a schematic diagram of the overall structure of a probe tube non-magnetic drill rod.

[0020] Figure 2 The utility model is a probe tube non-magnetic drill rod Figure 1 Enlarged view of point A in the middle.

[0021] Figure 3 It is a side cross-sectional view of a probe tube non-magnetic drill rod of the utility model.

[0022] Figure 4 The utility model is a probe tube non-magnetic drill rod Figure 3 Enlarged view of point B in the middle.

[0023] In the figure: 1. pipe body; 2. tapered joint; 3. external thread; 4. anti-loosening structure; 5. tapered hole; 6. internal thread; 7. mounting hole; 8. compression spring; 9. guide rod; 10. guide groove; 11. semicircular head; 12. movable rod. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0025] This embodiment is a probe tube non-magnetic drill rod.

[0026] like Figure 1-4 As shown, it includes a tube body 1, a tapered joint 2 is fixedly installed on the outer surface of the upper end of the tube body 1, a tapered hole 5 is opened on the outer surface of the lower end of the tube body 1, an outer thread 3 is opened on the outer wall of the tapered joint 2, and an inner thread 6 is opened on the inner wall of the tapered hole 5. Anti-loosening structures 4 are arranged on the left and right sides of the outer surface of the upper end of the tapered joint 2. The anti-loosening structure 4 includes a mounting hole 7, a compression spring 8, a guide rod 9, a guide groove 10, a semicircular head 11 and a movable rod 12. The mounting hole 7 is opened on the outer surface of the upper end of the tapered joint 2.

[0027] The compression spring 8 and the guide rod 9 are both located in the mounting hole 7, and one end of the movable rod 12 extends into the mounting hole 7; the outer surface of one end of the guide rod 9 is fixedly connected to the middle of one end of the mounting hole 7, and the guide groove 10 is opened in the middle of the outer surface of one end of the movable rod 12, and one end of the guide rod 9 extends into the guide groove 10, and the movable rod 12 is slidably connected to the outer wall of the guide rod 9 through the guide groove 10; the semicircular head 11 is fixedly installed on the outer surface of the other end of the movable rod 12, and the semicircular head 11 and the outer wall of the movable rod 12 are slidably connected to the mounting hole 7; the compression spring 8 is movably sleeved on the outer wall of the guide rod 9, the outer surface of one end of the compression spring 8 is fixedly connected to one end of the mounting hole 7, and the outer surface of the other end of the compression spring 8 is fixedly connected to the outer surface of one end of the movable rod 12; the outer surface of one end of the movable rod 12 is elastically connected to one end of the mounting hole 7 through the compression spring 8.

[0028] It should be noted that the utility model is a non-magnetic drill rod for a probe tube. The tube body 1, tapered joint 2, tapered hole 5 and internal thread 6 recorded in the text all belong to the prior art, which can be effectively known to the technicians in the relevant technical field, and the details will not be repeated here. The anti-loosening structure 4 is set. After the tapered joint 2 in one group of tube bodies 1 is connected with the tapered hole 5 in another group of tube bodies 1, the semicircular head 11 is squeezed into the mounting hole 7, and the semicircular head 11 drives the movable rod 12 to slide along the mounting hole 7. The movable rod 12 slides along the outer wall of the guide rod 9 through the guide groove 10. One end of the movable rod 12 squeezes the compression spring 8 inside the mounting hole 7. After the two groups of tube bodies 1 are connected, the compression spring 8 is in a pressed state, which can eliminate the looseness after the threaded connection.

[0029] It should be noted that, in this article, relational terms such as first and second (number one, number two), 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 sentence "including one..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0030] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A probe non-magnetic drill rod, comprising a tube body (1), a tapered joint (2) is fixedly mounted on the outer surface of the upper end of the tube body (1), a tapered hole (5) is provided on the outer surface of the lower end of the tube body (1), an outer wall of the tapered joint (2) is provided with an external thread (3), and an inner wall of the tapered hole (5) is provided with an internal thread (6), characterized in that: Anti-loosening structures (4) are provided on the left and right sides of the upper outer surface of the conical joint (2), and the anti-loosening structure (4) comprises a mounting hole (7), a compression spring (8), a guide rod (9), a guide groove (10), a semicircular head (11) and a movable rod (12), and the mounting hole (7) is opened on the upper outer surface of the conical joint (2).

2. The probe tube non-magnetic drill rod according to claim 1, characterized in that: The compression spring (8) and the guide rod (9) are both located in the mounting hole (7), and one end of the movable rod (12) extends into the mounting hole (7).

3. The probe tube non-magnetic drill rod according to claim 2, characterized in that: The outer surface of one end of the guide rod (9) is fixedly connected to the middle of one end of the mounting hole (7); the guide groove (10) is formed in the middle of the outer surface of one end of the movable rod (12); one end of the guide rod (9) extends into the guide groove (10); and the movable rod (12) is slidably connected to the outer wall of the guide rod (9) through the guide groove (10).

4. The probe tube non-magnetic drill rod according to claim 3, characterized in that: The semicircular head (11) is fixedly mounted on the outer surface of the other end of the movable rod (12), and the semicircular head (11), the outer wall of the movable rod (12) and the mounting hole (7) are slidably connected.

5. The probe tube non-magnetic drill rod according to claim 4, characterized in that: The compression spring (8) is movably sleeved on the outer wall of the guide rod (9), the outer surface of one end of the compression spring (8) is fixedly connected to one end of the mounting hole (7), and the outer surface of the other end of the compression spring (8) is fixedly connected to the outer surface of one end of the movable rod (12).

6. The probe tube non-magnetic drill rod according to claim 5, characterized in that: The outer surface of one end of the movable rod (12) is elastically connected to one end of the mounting hole (7) via a compression spring (8).

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