Novel mining logging-while-drilling instrument

Abstract

The utility model discloses a novel mining logging-while-drilling instrument which comprises a measuring instrument body, the measuring instrument body is installed in a groove formed in the outer side of an extending shell, and the outer side of the extending shell is in threaded connection with a protection frame. The bottom of the lower end of the extending shell is connected with the top of a shock absorber arranged in a clamping groove formed in the middle of the upper end of the connecting short section, meanwhile, a threaded cylinder is installed in the middle of the lower end of the connecting short section, a shock-proof spring is arranged on the outer side of the threaded cylinder, the inner side of the threaded cylinder is connected with the drill bit body, and meanwhile the lower end of the shock-proof spring is attached to the upper end of the drill bit body. According to the novel mining logging-while-drilling instrument, a shock absorber, a positioning ring, a positioning rod and a buffer spring are matched for use, so that when a drill bit body conducts drilling, stress is dispersed, damage to an extension shell is reduced, meanwhile, through matched use of a threaded cylinder, a connecting ring, an inserting rod, an inserting seat and a positioning block, the drilling efficiency is improved, and the drilling efficiency is improved. The drill bit body and the connecting short section are connected more stably, and the use practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field related to well logging instruments, in particular to a novel well logging while drilling instrument for mining. Background Art

[0002] Well logging instruments are used in the field of well drilling. They can continuously scan the well wall and can also perform horizontal scanning at any level to provide technical information such as the vertical section, horizontal section, effective section, and deviation distance of the wellbore. The logging results can be directly displayed on the computer screen or given by a plotter printer, which is flexible and convenient to use. The use of logging instruments can prevent wellbore deviation, reduce the construction period, speed up the construction progress, ensure the quality of the project, and have obvious indirect economic benefits and very significant social benefits. There are many types of well logging instruments on the market, including well drilling logging instruments, ultrasonic logging instruments, nuclear logging instruments, and digital coring logging instruments, etc.

[0003] When the existing logging while drilling instrument is in use, it is connected to the drill bit through a short section. The drill bit will generate a lot of stress when drilling, which can easily cause the short section to break, affecting the tightness of the connection between the drill bit and the logging while drilling instrument. In addition, when testing, no protective components are set, so that the hard rocks on the inner wall of the borehole cause damage to the outer surface of the logging while drilling instrument, affecting the practical life of the logging while drilling instrument. In view of the above problems, it is necessary to improve the existing equipment. Utility Model Content

[0004] The purpose of the utility model is to provide a new type of logging while drilling instrument for mining, so as to solve the problem proposed in the above background technology that the existing logging while drilling instrument, when in use, is connected to the drill bit through a short section, and the drill bit will generate a lot of stress when drilling, which may easily cause the short section to break, affecting the tightness of the connection between the drill bit and the logging while drilling instrument, and when testing, no protective component is provided, so that the hard stones on the inner wall of the borehole damage the outer surface of the logging while drilling instrument, thereby affecting the practical life of the logging while drilling instrument.

[0005] To achieve the above purpose, the utility model provides the following technical solutions: a new type of mining logging while drilling instrument, including a measuring instrument body,

[0006] The measuring instrument body is installed in a groove opened on the outside of the extended shell, and a protective frame is threadedly connected to the outside of the extended shell. At the same time, the positions of the observation windows opened on the four sides of the protective frame are arranged corresponding to the positions of the measuring instrument body. The bottom of the lower end of the extended shell is engaged with the engaging groove opened in the middle of the upper end of the connecting short section, and the top of the shock absorber arranged in the engaging groove is connected to the bottom of the lower end of the extended shell. At the same time, a threaded barrel is installed in the middle of the lower end of the connecting short section, a shock-absorbing spring is arranged on the outside of the threaded barrel, and the inner side of the threaded barrel is connected to the drill bit body, and at the same time, the lower end of the shock-absorbing spring is fitted with the upper end of the drill bit body.

[0007] Preferably, a positioning ring is provided on the outer side of the lower end of the extension shell, and positioning rods provided on four sides of the positioning ring penetrate the positioning ring and the buffer spring and are threadedly connected to threaded holes correspondingly opened on the upper end of the connecting short section.

[0008] Preferably, the positioning ring is slidably connected to the positioning rod, and the outer diameter of the positioning ring is the same as the outer diameter of the protective frame.

[0009] Preferably, the outer side of the protection frame is coated with a wear-resistant layer, the inner side of the observation window is provided with tempered glass, and the outer side of the tempered glass is provided with an anti-scratch film;

[0010] By adopting the above technical solution, the protection effect of the measuring instrument body is improved.

[0011] Preferably, an annular mounting groove is provided at the upper end of the outer side of the drill body, and a connecting ring is provided inside the mounting groove, and plug-in rods are installed in the middle of the four sides of the connecting ring, and the top of each plug-in rod passes through a corresponding plug-in seat provided on the outer side of the connecting short section and is connected to the positioning block;

[0012] By adopting the above technical solution, the stability of the connection with the drill body can be improved.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the new mining logging while drilling instrument,

[0014] (1) In order to solve the problem that the existing logging while drilling instrument is connected to the drill bit through a short section when in use, and the drill bit generates a lot of stress when drilling, which easily causes the short section to break and affects the tightness of the connection between the drill bit and the logging while drilling instrument, the present application provides a shock absorber, a positioning ring, a positioning rod and a buffer spring for use in combination, so that the stress is dispersed when the drill bit body is drilling, and the damage to the extension shell is reduced. At the same time, the threaded barrel, the connecting ring, the plug rod, the plug seat and the positioning block are used in combination, so as to make the connection between the drill bit body and the connecting short section more stable and improve the practicality of use;

[0015] (2) In order to solve the problem that when the existing logging while drilling instruments are used for detection, there is no protective component, so that the hard rocks on the inner wall of the borehole cause damage to the outer surface of the logging while drilling instrument, thereby affecting the practical life of the logging while drilling instrument, the present application provides a protective frame to facilitate the protection of the outer side of the measuring instrument body, and at the same time, by providing an observation window corresponding to the position of the measuring instrument body, it is convenient for the measuring instrument body to monitor the internal conditions of the borehole, and by providing tempered glass, it is convenient to protect the front side of the measuring instrument body, thereby improving the practicality of use and the service life of the measuring instrument body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0017] Figure 2 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0018] Figure 3 This is a schematic diagram of the front view structure of the utility model;

[0019] Figure 4 It is a schematic diagram of the three-dimensional structure of the protective frame of the utility model.

[0020] In the figure: 1. Measuring instrument body; 2. Extension housing; 3. Protection frame; 4. Observation window; 5. Connecting short section; 6. Shock absorber; 7. Positioning ring; 8. Positioning rod; 9. Buffer spring; 10. Threaded cylinder; 11. Shock-absorbing spring; 12. Drill body; 13. Connecting ring; 14. Connecting rod; 15. Connecting seat; 16. Positioning block. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-4 The utility model provides a technical solution: a new type of mining logging while drilling instrument, according to Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, the measuring instrument body 1 is installed in a groove opened on the outside of the extended shell 2, and a protective frame 3 is threadedly connected to the outside of the extended shell 2. At the same time, the positions of the observation windows 4 opened on the four sides of the protective frame 3 are arranged corresponding to the positions of the measuring instrument body 1, which is convenient for the measuring instrument body 1 to monitor the drilling hole. The outside of the protective frame 3 is coated with a wear-resistant layer to improve the life of the protective frame 3. Tempered glass is arranged on the inside of the observation window 4, and an anti-scratch film is arranged on the outside of the tempered glass, which is convenient for the measuring instrument body 1 to protect the front side. The bottom of the lower end of the extended shell 2 is snap-connected with the snap-in groove opened in the middle of the upper end of the connecting short section 5, and the top of the shock absorber 6 arranged in the snap-in groove is connected to the bottom of the lower end of the extended shell 2. Through the shock absorber 6, it is convenient to buffer the stress generated by the drilling hole Dispersion, improve the buffering effect during use, a positioning ring 7 is arranged on the outer side of the lower end of the extension shell 2, and the positioning ring 7 is slidably connected with the positioning rod 8, so that when it is subjected to vibration, it has a certain protective buffering effect on the extension shell 2, and the service life of the extension shell 2 is improved, and the outer diameter of the positioning ring 7 is the same as the outer diameter of the protection frame 3, and the positioning rod 8 arranged on the four sides of the positioning ring 7 passes through the positioning ring 7 and the buffer spring 9 and is threadedly connected with the threaded hole corresponding to the upper end of the connecting short section 5, and at the same time, a threaded barrel 10 is installed in the middle of the lower end of the connecting short section 5, and a shock-absorbing spring 11 is arranged on the outer side of the threaded barrel 10, so that it has a certain buffering effect when drilling, and the inner side of the threaded barrel 10 is connected to the drill body 12, and at the same time, the lower end of the shock-absorbing spring 11 is in contact with the upper end of the drill body 12.

[0023] Further explanation: an annular mounting groove is opened at the upper end of the outer side of the drill body 12, and a connecting ring 13 is arranged inside the mounting groove. At the same time, plug-in rods 14 are installed in the middle of the four sides of the connecting ring 13. The top of each plug-in rod 14 passes through the corresponding plug-in seat 15 arranged on the outer side of the connecting short section 5 and is connected to the positioning block 16, thereby improving the stability of the connection between the drill body 12 and the connecting short section 5.

[0024] When in use, first sleeve the protection frame 3 on the outside of the extension shell 2, and make the protection frame 3 located on the outside of the measuring instrument body 1, then rotate the protection frame 3 so that the protection frame 3 is threadedly connected to the extension shell 2, and make the observation window 4 correspond to the position of the measuring instrument body 1, then connect the bottom of the extension shell 2 with the shock absorber 6 set in the locking groove opened in the middle of the upper end of the connecting short section 5, and rotate the positioning rod 8 to pass through the positioning ring 7 and the buffer spring 9 and threadedly connect them with the threaded hole corresponding to the upper end of the connecting short section 5, so that the connection between the extension shell 2 and the connecting short section 5 is completed, and then the middle of the upper end of the drill body 12 is threadedly connected with the inner part of the threaded tube 10, and then the connecting ring 13 is sleeved in the annular mounting groove opened at the upper end of the outer side of the drill body 12, and at the same time, the top of the connecting rod 14 passes through the correspondingly set connecting seat 15 and is connected to the positioning block 16, so that the connection of the entire device can be completed, preventing the drill body 12 from shaking and falling off, and ensuring the stability of use.

[0025] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the protection content of the present invention.

[0026] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A novel logging while drilling instrument for mining, comprising a measuring instrument body (1), characterized in that: The measuring instrument body (1) is installed in a groove opened on the outer side of the extension shell (2), and the outer side of the extension shell (2) is threadedly connected with a protective frame (3), and the positions of the observation windows (4) opened on the four sides of the protective frame (3) are arranged corresponding to the positions of the measuring instrument body (1). The bottom of the lower end of the extension shell (2) is snap-connected with the snap-fit ​​groove opened in the middle of the upper end of the connecting short section (5), and the top of the shock absorber (6) arranged in the snap-fit ​​groove is connected with the bottom of the lower end of the extension shell (2), and a threaded barrel (10) is installed in the middle of the lower end of the connecting short section (5), and a shock-absorbing spring (11) is arranged on the outer side of the threaded barrel (10), and the inner side of the threaded barrel (10) is connected with the drill body (12), and the lower end of the shock-absorbing spring (11) is in contact with the upper end of the drill body (12).

2. The novel mining logging while drilling instrument as claimed in claim 1, characterized in that: A positioning ring (7) is arranged on the outer side of the lower end of the extension shell (2), and positioning rods (8) arranged on four sides of the positioning ring (7) penetrate the positioning ring (7) and the buffer spring (9) and are threadedly connected to threaded holes corresponding to the upper end of the connecting short section (5).

3. The new mining logging while drilling instrument as claimed in claim 2, characterized in that: The positioning ring (7) and the positioning rod (8) are slidably connected, and the outer diameter of the positioning ring (7) is the same as the outer diameter of the protection frame (3).

4. The novel mining logging while drilling instrument as claimed in claim 1, characterized in that: The outer side of the protection frame (3) is coated with a wear-resistant layer, the inner side of the observation window (4) is provided with tempered glass, and the outer side of the tempered glass is provided with an anti-scratch film.

5. The novel mining logging while drilling instrument as claimed in claim 1, characterized in that: An annular mounting groove is provided at the upper outer end of the drill body (12), and a connecting ring (13) is arranged inside the mounting groove. Meanwhile, plug-in rods (14) are installed in the middle of four sides of the connecting ring (13). The top of each plug-in rod (14) passes through a corresponding plug-in seat (15) arranged on the outer side of the connecting short section (5) and is connected to a positioning block (16).

Images