Centering adjusting mechanism and underground exploration device

Abstract

The utility model relates to the technical field of underground detection, in particular to a centering adjusting mechanism and an underground exploration device.The centering adjusting mechanism comprises a circular ring, external thread screws are distributed on the circumferential outer wall of the circular ring at equal intervals, an adjusting assembly is arranged between every two adjacent external thread screws, the adjusting assemblies are installed on the circumferential outer wall of the circular ring, and the adjusting assemblies are arranged on the circumferential outer wall of the circular ring. A connecting rod is installed at one end of the adjusting assembly, a clamping opening is formed in one end of the connecting rod, a guiding assembly is arranged in the clamping opening, and the number of the external thread screws is four. According to the utility model, the guiding assembly is used for fixing a cable, so that an instrument is put down from the center of a hole and extends into the hole for detection; when the instrument moves downwards, the instrument does not touch the hole wall, so that an instrument probe is not influenced, the hollow base is clamped above the hole, the device does not fall into the hole, and the instrument is placed in the center of the annular outer cover by utilizing the centering adjusting mechanism, so that the instrument is convenient to install and fix.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of underground detection, especially a centering adjustment mechanism and underground exploration device. BACKGROUND

[0002] When conducting surveying work in the field, various detection work needs to be done on the drill hole, and various detection instruments are placed in the drill hole, when the drill hole condition is complex and the hole wall is relatively broken, the detection instrument probe repeatedly works up and down in the hole and is easy to rub the hole wall, especially when there is a large crack or underground karst, the instrument probe is particularly prone to being stuck in the hole and falling into the underground cave.

[0003] At present, the centering device of the field drill hole well mouth is mostly adopted on the tripod, which is large in size and weight, inconvenient to carry and very unsuitable for field work, when the drill hole is located on the half hill, the hole mouth drill machine has not been moved, etc., affected by the soft stratum and hole mouth drill machine factors, the tripod cannot be well unfolded and fixed, resulting in unsatisfactory centering effect, the tripod is easy to collapse in work and cause damage to the instrument, when various hole detection instruments need to work, the centering device needs to be frequently replaced to correspond to the hole instruments of different diameters, thereby increasing the workload.

[0004] Therefore, the technical personnel in the prior art propose a centering adjustment mechanism and underground exploration device to solve the above problems. SUMMARY

[0005] This part aims to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this part and the abstract of the specification and the utility model name to avoid obscuring the purpose of this part, the abstract of the specification and the utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] In view of the above or the problem that the detection instrument probe is easy to rub the hole wall when the drill hole condition is complex and the hole wall is relatively broken in the prior art, the utility model is proposed.

[0007] Therefore, the purpose of the utility model is to provide a centering adjustment mechanism.

[0008] To solve the above technical problems, the utility model provides the following technical scheme: a centering adjustment mechanism, comprising a circular ring, an outer thread screw rod is arranged on the circumference outer wall of the circular ring at equal intervals, an adjusting assembly is arranged in the middle of two adjacent outer thread screw rods, the adjusting assembly is installed on the circumference outer wall of the circular ring, a connecting rod is installed at one end of the adjusting assembly, a bayonet is opened at one end of the connecting rod, and a guide assembly is arranged in the inside of the bayonet.

[0009] As an optimal scheme of the utility model central adjustment mechanism, wherein: the number of outer thread screw rod is four.

[0010] As an optimal scheme of the utility model central adjustment mechanism, wherein: the number of outer thread screw rod is four.

[0011] As an optimal scheme of the utility model central adjustment mechanism, wherein: the number of outer thread screw rod is four.

[0012] As an optimal scheme of the utility model central adjustment mechanism, wherein: the number of outer thread screw rod is four.

[0013] As an optimal scheme of the utility model central adjustment mechanism, wherein: the number of outer thread screw rod is four.

[0014] As an optimal scheme of the utility model central adjustment mechanism, wherein: the number of outer thread screw rod is four.

[0015] As an optimal scheme of the utility model central adjustment mechanism, wherein: the number of outer thread screw rod is four.

[0016] The utility model central adjustment mechanism has the beneficial effects that: the device places the circular ring on the hole surface needing to be detected, then moves the guide assembly to the hole center through the inner thread screw rod, fixes the cable by the guide assembly, and then lowers the instrument from the hole center to extend into the hole interior to detect, so that the instrument does not touch the hole wall when moving downward, and the instrument probe is not affected.

[0017] In view of the problem that the instrument cannot be well unfolded and fixed in actual use, resulting in unsatisfactory centering effect.

[0018] To solve the above-mentioned technical problems, the present invention also provides the following technical solution: a downhole exploration device, including any of the above-mentioned centering adjustment mechanisms, and an annular outer cover disposed outside the centering adjustment mechanism, wherein a plurality of through holes are opened on the outer circumferential wall of the annular outer cover, and one end of the external threaded screw is inserted into the inner circumferential wall of the corresponding through hole.

[0019] As a preferred embodiment of the downhole exploration device of this utility model, a hollow base is installed on the bottom outer wall of the annular outer cover, the annular outer cover and the hollow base are made of stainless steel, and the hollow base has a conical structure.

[0020] The beneficial effects of this utility model downhole exploration device are as follows: the hollow base is snapped onto the top of the hole, and the outer diameter of the annular outer cover is much larger than the conventional borehole diameter, so there is no need to worry about the device falling into the hole. The instrument is placed in the center of the annular outer cover by the centering adjustment mechanism, which facilitates the installation and fixation of the instrument, and makes it easier to move the instrument down into the hole for detection. Attached Figure Description

[0021] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0022] Figure 1 This is a schematic diagram of the overall structure of a centering adjustment mechanism.

[0023] Figure 2 This is a schematic diagram of a circular structure for a centering adjustment mechanism.

[0024] Figure 3 This is a schematic diagram of the adjusting components, connecting rods, and guide components of a centering adjustment mechanism.

[0025] Figure 4 This is a schematic diagram of the overall structure of a downhole exploration device.

[0026] Figure 5 for Figure 4 Another structural diagram from another angle. Detailed Implementation

[0027] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0028] In the following description, a lot of specific details are set forth in order to provide a thorough understanding of the present application, however, the present application can be practiced in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the spirit of the present application, therefore, the present application is not limited to the specific embodiments disclosed below.

[0029] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the present application. "In one embodiment" appearing in different places in the specification does not mean the same embodiment, nor is it an embodiment that is independent of or mutually exclusive of other embodiments.

[0030] Embodiment 1

[0031] Reference Figure 1 and Figure 2 The first embodiment of the present application provides a centering adjustment mechanism and a downhole exploration device, which can realize the effect of centering adjustment and detection instrument, which comprises a circular ring 100, a plurality of external thread screws 200 are arranged on the outer wall of the circular ring 100 in equal intervals, an adjusting assembly 400 is arranged between the adjacent two external thread screws 200, the adjusting assembly 400 is installed on the outer wall of the circular ring 100, a connecting rod 300 is installed at one end of the adjusting assembly 400, a bayonet 500 is opened at one end of the connecting rod 300, and a guide assembly 600 is arranged in the bayonet 500.

[0032] The device is placed on the surface of the hole and fixed through the external thread screw 200, then the guide assembly 600 is moved through the adjusting assembly 400, the instrument is placed at the center of the guide assembly 600, then the cable of the instrument is moved through the guide assembly 600, so that the instrument is conveniently sent into the hole, and the instrument is conveniently detected.

[0033] Specifically, the number of external thread screws 200 is four.

[0034] Further, four mounting holes 101 are opened on the outer wall of the circular ring 100 in equal intervals, and the external thread screws 200 are inserted into the inner wall of the mounting hole 101.

[0035] The mounting hole 101 is used for the insertion and fixation of the external thread screw 200.

[0036] Among them, four threaded holes 102 are opened on the outer wall of the circular ring 100, and the four threaded holes 102 are respectively located between the adjacent two mounting holes 101, and the adjusting assembly 400 is installed on the inner wall of the threaded hole 102.

[0037] The adjusting assembly 400 rotates in the threaded hole 102, so that the distance between the guiding assemblies 600 can be adjusted.

[0038] Preferably, the adjusting assembly 400 comprises a threaded rod 401 screwed on the circumferential inner wall of the threaded hole 102, a first sleeve 402, a second sleeve 403 and a third sleeve 404 are sequentially screwed on the outer wall of the threaded rod 401, the first sleeve 402 is located away from the outer side of the ring 100, and the second sleeve 403 and the third sleeve 404 are respectively located on the two sides of the ring 100.

[0039] It should be noted that the rotation of the threaded rod 401 can be limited by the second sleeve 403 and the third sleeve 404, so as to ensure the stability of the device.

[0040] In use, first, find the hole to be detected, then place the ring 100 above it, support the hole periphery by the external threaded rod 200, so that the center of the ring 100 is aligned with the center of the hole, then adjust the position of the guiding assembly 600 by the threaded rod 401, then fix the threaded rod 401 by the second sleeve 403 and the third sleeve 404, then place the instrument in the middle of the guiding assembly 600, and drive the instrument to move downward by the guiding assembly 600, so as to detect the inside of the hole.

[0041] Embodiment 2

[0042] Reference Figure 3 The second embodiment of the utility model is different from the previous embodiment, and the guiding assembly 600 comprises a rotating shaft 601, the rotating shaft 601 is horizontally inserted on one side of the outer wall of the bayonet 500, a guiding pulley 603 is rotatably sleeved on the circumferential outer wall of the rotating shaft 601, the guiding pulley 603 is located in the inside of the bayonet 500, and the two ends of the circumferential outer wall of the rotating shaft 601 are sleeved with nuts 602.

[0043] The rotating shaft 601 is fixed by the nut 602, the guiding pulley 603 can rotate on the surface of the rotating shaft 601, and the instrument can be conveniently driven to move downward into the hole by the rotating working mode.

[0044] An annular clamping groove 604 is formed in the middle position of the circumferential outer wall of the guiding pulley 603.

[0045] The annular clamping groove 604 on the surface of the guiding pulley 603 is used for placing the cable of the instrument, the guiding pulley 603 drives the cable to move when moving, so that the instrument can be driven to move downward into the hole, and the subsequent detection work can be conveniently carried out, and the guiding pulley and the cable are in sliding connection, so as to reduce the abrasion of the cable.

[0046] The material of the ring 100 is stainless steel.

[0047] The stainless steel material of the circular ring 100 is wear-resistant and corrosion-resistant, and is easy to use for a long time.

[0048] In use, the instrument is placed between the four guide pulleys 603, the instrument is moved by the cable, one end of the cable is fixed on the instrument, the other end is placed on the ground near the hole, the middle part of the cable is slidingly connected in the annular clamping groove 604, the cable is moved by the guide pulley 603, so that the instrument is moved, and the instrument is inserted into the hole, so that the subsequent detection work is facilitated.

[0049] Embodiment 3

[0050] Referring to Figure 4 and Figure 5 , the third embodiment of the utility model, different from the previous embodiment, a downhole exploration device, including any of the above centering adjusting mechanism, and the annular cover 700 is arranged outside the centering adjusting mechanism, a plurality of through holes 701 are formed in the circumferential outer wall of the annular cover 700, and one end of the external thread screw rod 200 is inserted into the circumferential inner wall of the corresponding through hole 701.

[0051] The bottom outer wall of the annular cover 700 is provided with a hollow base 702, the material of the annular cover 700 and the hollow base 702 is stainless steel, and the hollow base 702 is a conical structure.

[0052] In use, the hollow base 702 is clamped and fixed in the hole, so that the device is fixed above the hole, then the instrument is fixed by the centering adjusting mechanism, and the instrument is moved downward into the hole, and then downhole exploration is carried out.

[0053] In summary, the device reduces the volume, reduces the weight, increases the strength, is not affected by the working environment, is suitable for various detection instruments, can center the detection instrument in the hole, and is convenient for field downhole exploration work.

[0054] It is important to note that the construction and arrangements of the application shown in the various exemplary embodiments are illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications can be made to the embodiments without departing from the novel teachings and advantages of the subject matter described herein. For example, elements described as integrated in a single unit can be separated, elements described as separate can be integrated, and the position, number, shape, and arrangements of elements can be varied. Accordingly, all such modifications are intended to be included within the scope of the present inventive subject matter. The order or sequence of any process or method steps can be varied or re-sequenced without departing from the general nature of the claims. Any "means plus function" clauses are intended to cover the structures described herein as performing the recited functionality and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes, and omissions can be made in the design, operating conditions, and arrangement of the exemplary embodiments without departing from the scope of the present inventive subject matter. Accordingly, the present inventive subject matter is not limited to the particular embodiments described and illustrated herein, but extends to equivalents of which the foregoing describes are intended to cover.

[0055] Furthermore, in order to provide a concise description of the exemplary embodiments, not all features of an actual implementation can be described (i.e., those pertaining to the

[0056] It is understood that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions can be made. Such development efforts can inevitably lead to a number of substitutions, modifications, changes, and omissions of parts illustrated as having a specific configuration. Such are the natural consequences of research and development efforts, and

[0057] It should be noted that the above examples are only used to illustrate the technical solutions of the present application but not limit the present application, and although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application, and all should be included in the scope of the claims of the present application.

Claims

1. A centering adjustment mechanism characterized by: Including, The circular ring (100) is provided with four outer threaded screws (200) equidistantly distributed on the circumferential outer wall of the circular ring (100), and an adjusting assembly (400) is arranged between two adjacent outer threaded screws (200). The adjusting assembly (400) is mounted on the circumferential outer wall of the circular ring (100), one end of the adjusting assembly (400) is provided with a connecting rod (300), one end of the connecting rod (300) is provided with a bayonet (500), and a guide assembly (600) is arranged in the bayonet (500).

2. The centering adjustment mechanism of claim 1, wherein: The number of the outer threaded screws (200) is four.

3. The centering adjustment mechanism of claim 1 or 2, wherein: Four mounting holes (101) are formed equidistantly on the circumferential outer wall of the circular ring (100), and the outer threaded screws (200) are inserted into the circumferential inner wall of the mounting holes (101).

4. The centering adjustment mechanism of claim 3, wherein: Four threaded holes (102) are formed on the circumferential outer wall of the circular ring (100), and the adjusting assembly (400) is mounted on the circumferential inner wall of the threaded holes (102).

5. The centering adjustment mechanism of claim 4, wherein: The adjusting assembly (400) comprises an inner threaded screw (401) screwed on the circumferential inner wall of the threaded hole (102), a first screw sleeve (402), a second screw sleeve (403) and a third screw sleeve (404) are sequentially screwed on the outer wall of the inner threaded screw (401), the first screw sleeve (402) is located away from the outer side of the circular ring (100), and the second screw sleeve (403) and the third screw sleeve (404) are located on both sides of the circular ring (100).

6. The centering adjustment mechanism of claim 1 or 5, wherein: The guide assembly (600) comprises a rotating shaft (601), the rotating shaft (601) is horizontally inserted into one side of the outer wall of the bayonet (500), the rotating shaft (601) is rotatably sleeved with a guide pulley (603) on the circumferential outer wall, the guide pulley (603) is located in the bayonet (500), and the rotating shaft (601) is sleeved with a nut (602) at both ends of the circumferential outer wall.

7. The centering adjustment mechanism of claim 6, wherein: An annular clamping groove (604) is formed in the middle of the circumferential outer wall of the guide pulley (603).

8. The centering adjustment mechanism of claim 1, wherein: The material of the circular ring (100) is stainless steel.

9. A borehole prospecting apparatus, characterized by: The center adjusting mechanism comprises the center adjusting mechanism of any one of claims 1-8, and an annular cover (700) arranged outside the center adjusting mechanism, a plurality of through holes (701) are formed on the circumferential outer wall of the annular cover (700), and one end of the outer threaded screw (200) is inserted into the circumferential inner wall of the corresponding through hole (701).

10. The downhole survey apparatus of claim 9, wherein: A hollow base (702) is mounted on the bottom outer wall of the annular cover (700), the materials of the annular cover (700) and the hollow base (702) are stainless steel, and the hollow base (702) is a conical structure.

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