CN216846635U - Super-deep underground rock stress gauge - Google Patents

Abstract

The utility model discloses an ultra-depth underground ground stressometer, include: an entrance pipe inserted into the ground; a moving rail provided on a side surface of the entrance pipe; the stress meter is arranged in the pipeline of the inlet pipe and is in sliding connection with the pipe wall, and a connecting piece is arranged on one side of the stress meter; the motor rotator is arranged at the top of the movable rail; the lifting ring rope is driven by the motor rotator to rotate, and one side of the lifting ring rope is fixedly connected with the connecting piece. The utility model discloses an adopt the stressmeter to prevent in going into the ground, driving the lift looped rope through motor rotator, and then connecting piece and the stressmeter that control was fixed on the lift looped rope carry out in removing the rail internal motion to make in the arbitrary degree of depth of pipe can be gone into to the submergence down to the stress, thereby play the rock stress of measuring secret depths.

Description

Super-deep underground rock stress gauge

Technical Field

The utility model relates to a stress measurement technical field mainly relates to super degree of depth ground stress gauge.

Background

The rock stress detection technology is mainly used for monitoring the stress of rocks, and the rock stress comprises a rock internal stress source, an initial stress (a structural stress, a self-weight stress and the like), a secondary stress, an additional stress and the like. The initial stress is determined by field measurements, commonly by borehole stress relief and hydraulic fracturing, and sometimes by stress recovery. The existing rock stress meter can measure the stress of rock accurately, but the measurement of the stress of the rock buried in the underground is difficult all the time, and the difficult problem which is difficult to solve is that how to lead the stress meter to easily detect the stress of the underground rock.

In order to solve the problems, the improvement on the external structure of the original stress meter is urgently needed.

SUMMERY OF THE UTILITY MODEL

1. Purpose of the utility model

The utility model provides an ultra-deep underground ground stress gauge for solve the current rock stress gauge that provides among the above-mentioned background art and be difficult to measure the technical problem of the rock stress of secret depths.

2. Technical scheme

In order to achieve the purpose, the invention adopts the following technical scheme:

ultra-deep underground geotechnical stress gauge, including:

an entrance pipe inserted into the ground;

a moving rail provided on a side surface of the entrance pipe;

the stress meter is arranged in the pipeline of the inlet pipe and is in sliding connection with the pipe wall, and a connecting piece is arranged on one side of the stress meter;

the motor rotator is arranged at the top of the movable rail;

the lifting ring rope is driven by the motor rotator to rotate, and one side of the lifting ring rope is fixedly connected with the connecting piece.

Preferably, the bottom of the inlet pipe is provided with a ground drilling tip.

Preferably, the bottom of the outer side of the moving rail is provided with a smooth slope.

Preferably, the top of the inlet pipe is provided with a bearing cover plate.

Preferably, the two sides of the connecting piece are provided with rollers, and the rollers are in contact with the inner wall of the moving rail.

Preferably, a spring assembly is arranged between the roller and the connecting piece.

3. Advantageous effects

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses an adopt the stressmeter to prevent in going into the ground, driving the lift looped rope through motor rotator, and then connecting piece and the stressmeter that control was fixed on the lift looped rope carry out in removing the rail internal motion to make in the arbitrary degree of depth of pipe can be gone into to the submergence down to the stress, thereby play the rock stress of measuring secret depths.

The utility model discloses an adopt to go into the pipe bottom and be equipped with and bore sharp head portion to make the degree of depth that bores into underground that can be lighter if manage.

The utility model discloses an adopt the stressmeter to remove in the pipe of going into to make a stress machine also can realize detecting the rock stress condition of the different depths in underground.

Drawings

FIG. 1 is a schematic view of the overall structure of an ultra-deep underground geotechnical stress gauge;

FIG. 2 is a side elevation view of an ultra-deep subsurface geotechnical stressor;

FIG. 3 is a front sectional view of an ultra-deep subsurface geotechnical stress gauge.

Reference numerals

The device comprises an inlet pipe-1, a drill bit head-11, a bearing cover plate-12, a movable rail-2, a smooth slope-21, a stress gauge-3, a connecting piece-4, a roller-41, a spring assembly-42, a motor rotator-5 and a lifting looped rope-6.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "page", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," "provided," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Example 1

Referring to fig. 1 to 3, an ultra-deep underground geotechnical stress gauge, comprising:

an inlet pipe 1 inserted into the ground;

a moving rail 2 provided on a side surface of the entrance pipe 1;

the stress meter 3 is arranged in the pipeline of the inlet pipe 1 and is connected with the pipe wall in a sliding way, and a connecting piece 4 is arranged on one side of the stress meter;

the motor rotator 5 is arranged at the top of the movable rail 2;

and the lifting ring rope 6 is driven by the motor rotator 5 to rotate, and one side of the lifting ring rope is fixedly connected with the connecting piece 4.

The present embodiment does not specifically limit the type of the strain gauge 3. In specific implementation, the stress meter 3 needs to move in the inlet pipe 1, so that the signal transmission of the stress meter 3 can be realized by wireless signal transmission or separately preparing for paying off, a communication line is connected with the stress meter 3, the paying off and releasing of the paying off device are controlled according to the position of the stress meter 3, and the stable signal transmission of the stress meter in the underground depth is realized. The utility model discloses do not specifically prescribe a limit to motor rotor 5's model, its characteristic satisfies can drive lift looped rope 6 and rotate, in the concrete implementation, can increase the pulley in the bottom of removing the rail, makes the lift looped rope be in the state of tightening between pulley and motor rotor's runner to make the lift of stressometer more steady.

The operation principle of the embodiment is as follows: the whole equipment of operating personnel is squeezed into underground, makes lift looped rope 6 carry out the annular motion through control motor rotor 5 to drive connecting piece 4, connecting piece 4 drives stressometer 3 and removes the position that needs measured stress.

Example 2

Referring to fig. 1 to 3, the present embodiment is different from embodiment 1 in that: the bottom of the inlet pipe 1 is provided with a ground drilling tip 11.

The operation principle of the embodiment is as follows: the ground drilling tip 11 facilitates breaking through rock and soil to depths in the subsurface.

Example 3

Referring to fig. 1 to 3, the present embodiment is different from embodiment 1 in that: the outer bottom of the moving rail 2 is provided with a smooth slope 21.

The operation principle of the embodiment is as follows: during the drilling of the ground, the apparatus will experience a certain resistance, and the smooth slope 21 will reduce the resistance of the moving rail 2 during the drilling of the ground.

Example 4

Referring to fig. 1 to 3, the present embodiment is different from embodiment 1 in that: and a bearing cover plate 12 is arranged at the top of the inlet pipe 1.

The operation principle of the embodiment is as follows: the ground pipe 1 is drilled into the ground bottom through the external force pressure test bearing cover plate 12.

Example 5

Referring to fig. 1 to 3, the present embodiment is different from embodiment 1 in that: the two sides of the connecting piece 4 are provided with rollers 41 which are in contact with the inner wall of the moving rail 2.

The operation principle of the embodiment is as follows: the stress meter 3 can stably ascend and descend by the rollers 41 arranged on the two sides of the connecting piece 4 sliding on the moving rail 2.

Example 6

Referring to fig. 1 to 3, the present embodiment is different from embodiment 5 in that: a spring assembly 42 is provided between the roller and the connecting member 4.

The operation principle of the embodiment is as follows: the roller 41 can be brought into closer contact with the inner wall of the moving rail 2 under the spring assembly 42.

Claims (6)

1. Super deep underground geotechnique's stressometer, its characterized in that includes:

an inlet pipe (1) inserted into the ground;

a moving rail (2) provided on a side surface of the inlet pipe (1);

the stress meter (3) is arranged in the pipeline of the inlet pipe (1) and is in sliding connection with the pipe wall, and a connecting piece (4) is arranged on one side of the stress meter;

the motor rotator (5) is arranged at the top of the movable rail (2);

the lifting ring rope (6) is driven by the motor rotator (5) to rotate, and one side of the lifting ring rope is fixedly connected with the connecting piece (4).

2. The ultra-deep underground geotechnical stress gauge according to claim 1, characterized in that:

the bottom of the inlet pipe (1) is provided with a ground drilling tip (11).

3. The ultra-deep underground geotechnical stress gauge according to claim 1, characterized in that:

the bottom of the outer side of the moving rail (2) is provided with a smooth slope (21).

4. The ultra-deep underground geotechnical stress gauge according to claim 1, characterized in that:

and a bearing cover plate (12) is arranged at the top of the inlet pipe (1).

5. The ultra-deep underground geotechnical stress gauge according to claim 1, characterized in that:

and rollers (41) are arranged on two sides of the connecting piece (4), and the rollers are in contact with the inner wall of the movable rail (2).

6. The ultra-deep underground geotechnical stress gauge according to claim 5, characterized in that:

a spring assembly (42) is arranged between the roller and the connecting piece (4).

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