Device for placing test probe in drill hole and using method

Abstract

The invention discloses a device for placing a test probe in a drill hole and a using method. The device comprises a supporting platform, a geological compass is fixedly mounted on the supporting platform, a guide rod clamping device is rotationally mounted on the geological compass, and a first horizontal scale is further mounted on the geological compass; an azimuth angle pointer is arranged on the guide rod clamping device and is used for reading an azimuth angle through the azimuth angle pointer and scales on the geological compass; a guide rod is further installed on the guide rod clamping device, an orientator is installed at the end, extending into the drill hole, of the guide rod, and a probe is installed at the end, away from the guide rod, of the orientator. The device can be independently used for placing a test probe in a drill hole or a peeping camera in the drill hole, and can also be used for synchronously and integrally placing the test probe and the camera at the same time, so that the whole-process visual monitoring of the probe mounting process and the test process is realized, the probe placing efficiency and the probe placing quality are improved, and the labor intensity of workers is reduced. Meanwhile, parameters such as the inclination angle, the azimuth angle and the depth of a drill hole can be conveniently, rapidly and directly measured and read.

Description

Technical Field

[0001] The invention relates to the technical field of borehole peeping, and in particular to a device for placing a test probe in a borehole and a method for using the device. Background Art

[0002] At present, thermal power generation accounts for a large proportion of total power generation, and the annual coal consumption is huge. In some coal mining areas, it is necessary to test and study the internal structure, and drill holes of different diameters, depths, and numbers. The necessary parameters such as the depth and orientation of the borehole are obtained by using borehole peek technology, and stress tests are performed inside the borehole to provide reliable data for safe production.

[0003] One of the most important steps in conducting stress testing in a borehole is the placement of the borehole test probe. The placement device in the prior art, such as patent application number CN202311579714.8, discloses an automatically retractable borehole peep probe propulsion device, which specifically discloses a borehole peep mechanism, an automatic retractable mechanism, a rotating mechanism, and a lifting mechanism. The angle and height of the probe can be adjusted in this patent, and it can be applied to boreholes of different heights, depths, and azimuths. However, this patent cannot measure and count the necessary parameters such as the borehole inclination, azimuth, and depth. It is still necessary to use external instruments to measure and count the borehole inclination, azimuth, depth, and other parameters separately. Using external instruments is a blind operation, and visual installation cannot be achieved, which will result in low probe installation efficiency and poor probe installation quality, and it is also impossible to detect emergencies in the first place. Summary of the invention

[0004] In view of the shortcomings of the prior art, the present invention provides a device for placing a test probe in a borehole and a method for using the device. The present invention is fully visualized, which improves the efficiency and quality of probe placement. At the same time, the present invention can directly measure and read necessary parameters such as borehole inclination, azimuth and depth conveniently and quickly without the aid of external instruments.

[0005] In order to achieve the above object, the present invention adopts the following technical solution:

[0006] In a first aspect, the present invention provides a device for placing a test probe in a borehole, comprising: a support platform;

[0007] A geological compass is fixedly installed on the support platform, a guide rod holder is rotatably installed on the geological compass, and a first horizontal ruler is also installed on the geological compass to ensure that the geological compass is level; an azimuth pointer is provided on the guide rod holder to read the azimuth through the azimuth pointer and the scale on the geological compass; a guide rod is also installed on the guide rod holder, an orientator is installed on the end of the guide rod extending into the borehole, and a probe is installed on the end of the orientator away from the guide rod.

[0008] As a further technical solution, a first knob is further provided on the support platform, and a tripod is rotatably connected to the lower side of the support platform. The tripod is supported on the ground beside the drill hole and is used to carry the placement device.

[0009] As a further technical solution, the guide rod clamp includes a first wing plate, a second wing plate and a connecting rod; the first wing plate and the second wing plate are symmetrically connected to both ends of the connecting rod, and the first wing plate and the second wing plate are arranged in parallel and are both perpendicular to the connecting rod.

[0010] As a further technical solution, the bottom of the connecting rod is rotatably mounted on the center of the geological compass, and the azimuth pointer is vertically fixedly connected to one side of the connecting rod.

[0011] As a further technical solution, an inclination measuring device is installed on a side surface of the first wing away from the connecting rod, and the inclination measuring device includes a dial and an inclination pointer rotatably arranged on the dial; a second knob is also arranged on the first wing, and a second horizontal scale is also arranged on the dial.

[0012] As a further technical solution, a slot is provided on the upper part of the connecting rod, and the slot is used for slidingly connecting the guide rod, and the guide rod is slidably installed on the slot; the guide rod is composed of a plurality of sub-rods connected end to end in sequence.

[0013] As a further technical solution, a guide rod stroke recording button and a sensor are also installed on the card slot. The sensor is used to record the guide rod pressure wheel stroke, and the guide rod stroke recording button is electrically connected to the sensor.

[0014] As a further technical solution, a guide rod interface is provided at one end of the orienter, and the guide rod interface is connected to the guide rod; a probe fixing slot is provided at one end of the orienter away from the guide rod interface for fixing and installing the probe.

[0015] As a further technical solution, a camera fixing cover is further provided at one end of the orienter away from the guide rod interface, and the camera fixing cover is fixed under the probe fixing slot by screws, and the camera fixing cover is used to fix the camera.

[0016] In a second aspect, the present invention provides a method for using a test probe in a borehole, based on a device for placing a test probe in a borehole according to any one of the first aspects, the placing method comprising:

[0017] Place the tripod on the ground close to the borehole and install the probe on the probe fixing slot; adjust the direction and number of sub-rods, and then adjust the direction and length of the guide rod to make the front end of the probe flush with the end of the borehole; press the guide rod stroke recording button, and the sensor automatically records the guide rod pressure wheel stroke; push the guide rod until the front end of the probe touches the bottom of the borehole and stop, and record the borehole depth; adjust the first knob, observe the first horizontal ruler, ensure that the support platform is level, and read the azimuth through the azimuth pointer and the scale on the geological compass; adjust the second knob, observe the second horizontal ruler, ensure that the first wing plate is level, and read the inclination through the inclination pointer.

[0018] One or more technical solutions of the present invention have the following beneficial effects:

[0019] (1) The present invention has an azimuth pointer vertically fixedly connected to the connecting rod on the guide rod clamp, and a card slot is vertically arranged on the connecting rod, and the guide rod is installed on the card slot, so that the azimuth pointer and the guide rod on the card slot have the same azimuth and maintain synchronous linkage, and the azimuth can be conveniently and quickly read out through the azimuth pointer and the scale on the geological compass; at the same time, the present invention has an inclination measuring device installed on the side surface of the first wing plate away from the connecting rod, and the inclination pointer in the inclination measuring device is consistent with the inclination of the card slot and maintains synchronous linkage, and cooperates with the scale plate, and then the inclination can be conveniently and quickly read out through the inclination pointer.

[0020] (2) The present invention also installs a guide rod stroke recording button and a sensor on the card slot. When the guide rod stroke recording button is pressed, the sensor automatically records the guide rod pressure wheel stroke. The guide rod pressure wheel rolls as the guide rod goes deeper, and the sensor records the pressure wheel stroke, that is, the depth of the probe going into the borehole. The present invention also provides a camera fixing cover plate below the probe fixing card slot for fixing and installing the camera, so that the device can be used alone to place a test probe or a peek camera in the borehole, and can also be used to simultaneously place the test probe and the camera in an integrated manner, so as to achieve full visual monitoring of the probe installation process and the test process, improve the efficiency and quality of probe placement, and at the same time be able to conveniently and quickly directly measure and read necessary parameters such as borehole inclination, azimuth, depth, etc. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings in the specification, which constitute a part of the present invention, are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations on the present invention.

[0022] Figure 1 It is a structural schematic diagram of a device for placing a test probe in a borehole according to the present invention;

[0023] Figure 2 It is an enlarged structural schematic diagram of the orienter in the device for placing the test probe in a borehole according to the present invention;

[0024] Among them: 1. Support platform; 2. Geological compass; 3. Guide rod clamp; 4. Second horizontal ruler; 5. Dial; 6. Inclination pointer; 7. Azimuth pointer; 8. Guide rod; 9. Orienter; 10. Tripod; 11. First horizontal ruler; 12. Slot; 13. Guide rod interface; 14. Probe fixing slot; 15. Camera fixing cover; 16. Screws; 17. Camera mounting position; 18. Cable fixing buckle; 19. Transmission cable. DETAILED DESCRIPTION

[0025] It should be noted that the following detailed descriptions are illustrative and intended to provide further explanation of the present invention. Unless otherwise specified, all technical and scientific terms used in the present invention have the same meanings as those commonly understood by those skilled in the art to which the present invention belongs.

[0026] Embodiment 1

[0027] The present invention provides a device for placing a test probe in a borehole, such as Figure 1 As shown in the structural schematic diagram of the borehole test probe placement device, the placement device includes a support platform, a geological compass is fixedly installed on the support platform, and a guide rod holder is rotatably installed on the geological compass, and an azimuth pointer is arranged on the guide rod holder for reading the azimuth through the azimuth pointer and the scale on the geological compass, and a guide rod is also installed on the guide rod holder, specifically, Figure 1 As shown, the guide rod clamp includes a first wing plate, a second wing plate and a connecting rod, and the guide rod clamp is in an I-shape as a whole, wherein the first wing plate and the second wing plate are symmetrically connected at both ends of the connecting rod, the first wing plate and the second wing plate are arranged in parallel, and are both perpendicular to the connecting rod, and the bottom of the connecting rod is rotatably mounted on the center of the geological compass, and the azimuth pointer is vertically fixedly connected on one side of the connecting rod. At the same time, a slot is arranged on the upper part of the connecting rod, and the slot is used to slide the connecting guide rod, and the slot is arranged vertically with the connecting rod, specifically: the guide rod is slidably mounted on the slot for easy pushing. Since the azimuth pointer is in a vertical relationship with the slot and the connecting rod, and the guide rod is slidably mounted on the slot, which is equivalent to the guide rod being in a parallel relationship with the slot, then the azimuth pointer is made to have the same orientation as the guide rod on the slot and maintain synchronous linkage, and the azimuth can be conveniently and quickly read out through the azimuth pointer and the scale on the geological compass. In this embodiment, the guide rod is composed of a plurality of sub-rods connected end to end in sequence. By adjusting the orientation and number of the sub-rods, the orientation and length of the guide rod can be adjusted. In other embodiments, the guide rod can also be a telescopic rod, and its length can be adjusted. In this embodiment, a guide rod stroke recording button and a sensor are also installed on the card slot. The sensor is used to record the stroke of the guide rod pressure wheel, and the guide rod stroke recording button is electrically connected to the sensor. When the guide rod stroke recording button is pressed, the sensor automatically records the stroke of the guide rod pressure wheel.

[0028] In this embodiment, a first horizontal ruler is also installed on the geological compass, which is used to observe and ensure that the geological compass and the supporting platform are level; and a first knob is also provided on the supporting platform. The function and purpose of the first knob is to fine-tune the supporting platform to ensure the level of the geological compass and to ensure the accuracy of measurement and reading. A tripod is rotatably connected to the bottom of the supporting platform. The tripod is supported on the ground next to the drill hole and is used to carry the placement device.

[0029] In this embodiment, an inclination measuring device is installed on a side surface of the first wing plate away from the connecting rod, and the inclination measuring device includes a dial and an inclination pointer rotatably arranged on the dial, and a second horizontal scale is also arranged on the dial, and a second knob is also arranged on the first wing plate, and the function and purpose of the second knob is to fine-tune the inclination of the guide rod holder, so that the side surface of the clamping wing plate is perpendicular to the horizontal plane, and the bottom surface of the wing plate is parallel to the horizontal plane, so as to ensure the accuracy of angle measurement and reading. The inclination pointer in the inclination measuring device is consistent with the inclination of the card slot and keeps synchronous linkage, and cooperates with the dial, and then the inclination pointer can read the inclination conveniently and quickly, wherein a measuring guide rod is fixed in the card slot, the guide rod is deep in the hole and parallel to the hole, the inclination of the guide rod is the inclination of the drilling hole, the inclination of the card slot is consistent with the inclination of the guide rod, and the inclination pointer in the inclination measuring device is consistent with the inclination of the card slot and keeps synchronous linkage to realize real-time measurement of the inclination.

[0030] In this embodiment, a guide rod is provided with a guide device at one end thereof extending into the borehole, and a probe is provided at one end thereof away from the guide rod. Figure 2 As shown in the enlarged structural diagram of the orienter, a guide rod interface is provided at one end of the orienter, and the guide rod interface is connected to the guide rod; a probe fixing slot is provided at the end of the orienter away from the guide rod interface, which is used to fix and install the probe. In addition, a camera fixing cover is also provided at the end of the orienter away from the guide rod interface, and the camera fixing cover is fixed under the probe fixing slot by screws, and the camera fixing cover is used to fix the camera on the camera installation position. This allows the device to be used alone for the placement of test probes or peep cameras in boreholes, and can also be used for the synchronous and integrated placement of test probes and cameras at the same time, to achieve full visual monitoring of the probe installation process and the test process, and to improve the efficiency and quality of probe placement.

[0031] Embodiment 2

[0032] This embodiment provides a method for using a test probe in a borehole. Based on a device for placing a test probe in a borehole provided in Embodiment 1, the specific method of use is as follows:

[0033] A tripod is set up on the ground near the borehole, and components such as a support platform, a geological compass, a guide rod holder, a guide rod, and an orienter are assembled according to the structure provided in Example 1, and the probe is installed on the probe fixing slot; the direction and number of the sub-rods are adjusted, and then the direction and length of the guide rod are adjusted so that the front end of the probe is flush with the end of the borehole; the guide rod stroke recording button is pressed, and the sensor automatically records the guide rod pressure wheel stroke; the guide rod is pushed until the front end of the probe touches the bottom of the borehole and stops, and the depth of the borehole is recorded; the first knob is adjusted, and the first horizontal scale is observed to ensure that the support platform is level, and the azimuth is read through the azimuth pointer and the scale on the geological compass; the second knob is adjusted, and the second horizontal scale is observed to ensure that the first wing plate is level, and the inclination is read through the inclination pointer.

[0034] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A device for placing a test probe in a borehole, characterized in that: include: Support platform; A geological compass is fixedly installed on the support platform, a guide rod holder is rotatably installed on the geological compass, and a first horizontal ruler is also installed on the geological compass to ensure that the geological compass is level; an azimuth pointer is provided on the guide rod holder to read the azimuth through the azimuth pointer and the scale on the geological compass; a guide rod is also installed on the guide rod holder, an orientator is installed on the end of the guide rod extending into the borehole, and a probe is installed on the end of the orientator away from the guide rod.

2. A device for placing a test probe in a borehole as claimed in claim 1, characterized in that: The support platform is also provided with a first knob, and a tripod is rotatably connected to the lower side of the support platform. The tripod is supported on the ground beside the drill hole and is used to carry the placement device.

3. A device for placing a test probe in a borehole as claimed in claim 1, characterized in that: The guide rod clamp comprises a first wing plate, a second wing plate and a connecting rod; the first wing plate and the second wing plate are symmetrically connected to two ends of the connecting rod, and the first wing plate and the second wing plate are arranged in parallel and are both perpendicular to the connecting rod.

4. A device for placing a test probe in a borehole as claimed in claim 3, characterized in that: The bottom of the connecting rod is rotatably mounted on the center of the geological compass, and the azimuth pointer is vertically fixedly connected to one side of the connecting rod.

5. A device for placing a test probe in a borehole as claimed in claim 3, characterized in that: An inclination measuring device is installed on one side of the first wing away from the connecting rod, and the inclination measuring device includes a dial and an inclination pointer rotatably arranged on the dial; a second knob is also arranged on the first wing, and a second horizontal scale is also arranged on the dial.

6. A device for placing a test probe in a borehole as claimed in claim 3, characterized in that: A clamping groove is arranged on the upper part of the connecting rod, and the clamping groove is used for sliding connection with the guide rod, and the guide rod is slidably installed on the clamping groove; the guide rod is formed by splicing a plurality of sub-rods connected end to end in sequence.

7. A device for placing a test probe in a borehole as claimed in claim 6, characterized in that: A guide rod stroke recording button and a sensor are also installed on the card slot. The sensor is used to record the guide rod pressure wheel stroke, and the guide rod stroke recording button is electrically connected to the sensor.

8. The device for placing a test probe in a borehole according to claim 1, characterized in that: A guide rod interface is arranged at one end of the orienter, and the guide rod interface is connected to the guide rod; a probe fixing slot is arranged at one end of the orienter away from the guide rod interface, and is used for fixing and installing the probe.

9. A device for placing a test probe in a borehole as claimed in claim 8, characterized in that: A camera fixing cover is also provided at one end of the orienter away from the guide rod interface, and the camera fixing cover is fixed below the probe fixing slot by screws, and the camera fixing cover is used to fix and install the camera.

10. A method for using a borehole test probe, based on a borehole test probe placement device according to any one of claims 1 to 9, characterized in that: include: Place the tripod on the ground close to the borehole and install the probe on the probe fixing slot; adjust the direction and number of sub-rods, and then adjust the direction and length of the guide rod to make the front end of the probe flush with the end of the borehole; press the guide rod stroke recording button, and the sensor automatically records the guide rod pressure wheel stroke; push the guide rod until the front end of the probe touches the bottom of the borehole and stop, and record the borehole depth; adjust the first knob, observe the first horizontal ruler, ensure that the support platform is level, and read the azimuth through the azimuth pointer and the scale on the geological compass; adjust the second knob, observe the second horizontal ruler, ensure that the first wing plate is level, and read the inclination through the inclination pointer.

Images