CN109282730B - Method and device for measuring rock-soil geological investigation depth - Google Patents

Method and device for measuring rock-soil geological investigation depth Download PDF

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Publication number
CN109282730B
CN109282730B CN201811191255.5A CN201811191255A CN109282730B CN 109282730 B CN109282730 B CN 109282730B CN 201811191255 A CN201811191255 A CN 201811191255A CN 109282730 B CN109282730 B CN 109282730B
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rod
flexible
tape wheel
threaded
depth
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CN109282730A (en
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陈兵
李鹏飞
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PowerChina Guiyang Engineering Corp Ltd
Huaneng Group Technology Innovation Center Co Ltd
Huaneng Lancang River Hydropower Co Ltd
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PowerChina Guiyang Engineering Corp Ltd
Huaneng Group Technology Innovation Center Co Ltd
Huaneng Lancang River Hydropower Co Ltd
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Publication of CN109282730A publication Critical patent/CN109282730A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/18Measuring arrangements characterised by the use of mechanical techniques for measuring depth

Abstract

The invention discloses a method and a device for measuring the depth of rock and soil geological exploration, which uses a flexible rule to measure the depth of a threaded drill rod which is drilled into a rock and soil geological layer, namely, the flexible rule is wound on a flexible tape wheel in advance, then the front end of the flexible rule is fixed on a flexible tape wheel for measurement, a gear for measurement is coaxially arranged on the flexible tape wheel for measurement, and is meshed with a driving gear arranged on a rotating rod of the threaded drill rod driven by a motor through a rotating rod, so that when the motor drives the threaded drill rod to drill into the rock and soil geological layer, the driving gear drives the flexible tape wheel for measurement to rotate, thereby the flexible rule is wound on the flexible tape wheel for measurement, and the depth of the threaded drill rod which is drilled into the rock and soil geological layer can be measured or read from scales on the flexible rule wound on the flexible tape wheel for measurement. The invention has the advantages of simple structure, convenient use, good working stability, high measurement precision, long depth measurement and the like.

Description

Method and device for measuring rock-soil geological investigation depth
Technical Field
The invention relates to a method and a device for measuring rock-soil geological investigation depth, and belongs to the technical field of geological investigation equipment.
Background
The geological engineering field is to take geological investigation, general investigation and exploration of mineral resources, geological structure of major engineering and engineering problems related to geological background as main objects, the purpose of geotechnical investigation is to provide engineering geological basis for basic design and construction of a construction diagram stage of a planned building, and according to engineering characteristics of the planned building and engineering geological conditions of foundation soil, the proposal is provided for the utilization, the improvement and the improvement of the foundation soil of the site, and analysis and demonstration on the technical and economic aspects are carried out on the foundation soil, whether the accuracy of investigation directly influences the safety, the manufacturing cost and the engineering service life of the engineering or not is often influenced, the investigation personnel often need to carry out geological investigation in the field, and during the investigation work, the investigation equipment is required to carry out measurement on the geological investigation depth, and the constructor in the past carries out rough estimation only according to the length of the drilling rod, so that the investigation is very inaccurate. In order to overcome the problem, chinese patent document application number 201721726529.7 discloses a technical scheme of geological survey depth measuring equipment, the technical scheme includes the drilling rod, mount pad and investigation board, the input of drilling rod passes investigation board and drive arrangement's output braking is connected, the terminal surface of investigation board corresponds the drilling rod and installs rolling gear through the support frame, rolling gear passes through the tooth's socket and is connected with horizontal stripe meshing, rolling gear's center is provided with infrared circle ware, infrared circle ware's output is connected with the display screen, the display screen is inlayed on the mount pad, the side that the mount pad corresponds the display screen sets up magnetic recording board. Although the technical scheme is convenient for checking the depth of the rock-soil survey drilling position, the problem that the existing rock-soil drilling depth is inconvenient to check is solved, but the technical scheme has the problems that the structure is complex, the fixing is inconvenient to carry out during use, the drill rod moves downwards to generate vibration when the investigation is progressed to cause larger influence on the device, and the technical scheme uses an infrared loop recorder to calculate and obtain the investigation depth, the investigation depth cannot be intuitively read, the reading is complicated, and the drill rod used during the deep investigation cannot meet the requirement of long-depth measurement. Therefore, the existing rock-soil geological investigation depth measurement mode is not ideal enough and cannot meet the use requirement.
Disclosure of Invention
The purpose of the invention is that: the method and the device for measuring the rock-soil geological investigation depth have the advantages of simple structure, convenience in use, high measurement precision, good stability and capability of measuring the long depth, and overcome the defects of the prior art.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the invention relates to a method for measuring the depth of rock and soil geological exploration, which comprises the steps of when a motor is used for driving a threaded drill rod to drill into a rock and soil geological layer to measure the depth of the threaded drill rod into the rock and soil geological layer, measuring the depth of the threaded drill rod into the rock and soil geological layer by using a flexible rule, namely winding the flexible rule on a flexible tape wheel in advance, fixing the front end of the flexible rule on the flexible tape wheel for measurement, coaxially arranging a gear for measurement with the flexible tape wheel for measurement, and meshing the gear for measurement with a driving gear arranged on a rotating rod of the threaded drill rod driven by a motor through a rotating rod, wherein when the motor is used for driving the threaded drill rod to drill into the rock and soil geological layer, the driving gear drives the gear for measurement to rotate, so that the flexible rule is wound on the flexible tape wheel for measurement, and the depth of the threaded drill rod into the rock and soil geological layer can be measured or read from scales wound on the flexible rule on the flexible tape wheel for measurement.
The invention relates to a measuring device for the geological depth of rock and soil, which is formed by the method and is used for the method, and comprises a threaded drill rod driven by a motor, wherein the motor is arranged below a top plate, the top plate is fixed on a mounting plate through a stand column, a supporting buffer column is fixed on the lower end surface of the mounting plate, an output shaft of the motor is connected with a rotating rod through a coupler, the rotating rod is rotationally connected on the mounting plate through a bearing, the lower end of the rotating rod is in threaded connection with the threaded drill rod for drilling a geological layer of rock and soil, a driving gear capable of being meshed with a measuring gear is fixedly arranged on the rotating rod, the measuring gear is fixedly arranged on a rotating shaft, a measuring soft tape wheel is fixedly arranged on the rotating shaft, two ends of the rotating shaft are respectively rotationally connected on a sliding block and a sliding plate through bearings, the sliding block is slidingly connected in a sliding groove arranged on the mounting plate, the sliding plate is slidingly connected in the sliding groove arranged on the top plate, a locking bolt for controlling the sliding plate to move, a soft tape wheel wound around the soft tape is symmetrically arranged on the measuring soft tape wheel along the horizontal direction, and the soft tape wheel is arranged on the rotating shaft, and is rotationally connected on the rotating shaft through the bearing; a protective box is arranged on the lower end face of the top plate, and a storage battery for supplying power to the motor is arranged in the protective box.
A U-shaped mounting plate is arranged on the sliding plate and between the soft tape wheel for measurement and the soft tape wheel, and a guide device for stabilizing the motion of the soft tape is fixedly arranged on the U-shaped mounting plate; the guide device comprises guide rods, guide shafts, guide rollers, U-shaped mounting grooves and adjusting threaded rods, wherein the two sides of each U-shaped mounting plate are respectively in threaded connection with one adjusting threaded rod, the front end of each adjusting threaded rod is rotationally connected with one U-shaped mounting groove through a bearing, the guide shafts are mounted on the U-shaped mounting grooves, the guide rollers which can be in contact with flexible tapes are mounted on the guide shafts, the guide rods are fixedly mounted on the upper end faces of the U-shaped mounting grooves, and the guide rods are slidably connected in the inner wall grooves of the U-shaped mounting plates.
The supporting buffer columns are uniformly distributed and provided with three circles by taking the center of the mounting plate as the center of the circle, each supporting buffer column comprises a supporting spring, a sliding column, a screw rod and a fixed cylinder column, the fixed cylinder columns are fixedly connected onto the mounting plate, the supporting springs and the sliding columns are arranged in the fixed cylinder columns, two ends of each supporting spring are respectively connected with the top of each fixed cylinder column and the sliding column, the lower end face of each sliding column is fixedly connected with the screw rod, and the lower end of each screw rod is provided with a conical head.
The motor is a variable frequency motor, the top plate is provided with a control panel, a frequency converter and a solar panel, and the storage battery is electrically connected with the motor, the control panel, the frequency converter and the solar panel through wires.
The screw thread drill rod is characterized in that a screw thread fixing end is arranged at the lower end of the screw thread drill rod, the screw thread drill rod and the screw thread fixing end are of an integrated structure, a screw thread drill bit is connected to the screw thread fixing end in a threaded mode, the screw thread drill bit is a screw thread inverted cone drill bit, a screw thread groove is formed in the upper end face of the screw thread drill rod, a screw hole is formed in the side wall of the screw thread drill rod, a fastening bolt is connected to the screw thread in the screw hole in a threaded mode, a screw thread fixing hole is formed in the side wall of the screw thread groove, and a fastening straight bolt is connected to the screw thread fixing hole in a threaded mode.
And an elastic pressing sheet for pressing the stable flexible rule is hinged on the side wall of the flexible tape wheel.
And a noise reduction box is sleeved outside the motor and consists of a sound insulation plate or a sound attenuation plate.
The flexible rule is a steel tape rule, a cloth rule or a tape rule.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following beneficial effects:
(1) According to the invention, the supporting buffer column is fixed on the ground, so that the threaded drill bit is contacted with a rock-soil geological layer, the sliding plate and the sliding block are used for enabling the measuring gear to be meshed with the driving gear, the front end of the flexible rule wound on the flexible rule wheel is fixed on the measuring flexible rule wheel after passing through the guiding device, the control panel controls the motor and the frequency converter to operate, the motor drives the rotating rod to drive the threaded drill rod to drill into the geological layer, the flexible rule is used for measuring the drilling depth, and the operation is very simple and the use is very convenient.
(2) When the supporting buffer column is subjected to vibration, the screw rod with the conical head is convenient to fix with the ground, the supporting buffer columns are distributed in a triangle shape, and the triangle shape has stability, so that the stability of the device is improved, the sliding column slides in the fixed cylinder column, the supporting spring is compressed, and the spring force of the supporting spring is used for damping and buffering the vibration generated during drilling investigation, so that the anti-vibration performance of the device is greatly improved.
(3) The noise reduction box is used for eliminating noise generated by the operation of the motor.
(4) According to the invention, the sliding plate is fixed on the top plate through the locking bolt arranged on the sliding plate, so that the measuring gear and the driving gear which are meshed together are reliably meshed, and the measuring gear and the driving gear can be conveniently separated after the locking bolt is loosened, so that the flexible rule can be conveniently rewound on the flexible tape wheel to return to the original position, and the operation is very simple.
(5) When the drilling machine is used, according to the requirement of drilling investigation depth, the rotary rod is used for rotating the threaded drill rod provided with the threaded drill bit into a geological layer, the threaded drill rod is screwed out of the rotary rod, the threaded drill rod is additionally taken to rotate into the rotary rod, the threaded drill rod is fixedly connected with the threaded drill rod which has been drilled into the geological layer, then drilling investigation is continued, and the length of the threaded drill rod is prolonged, so that investigation on deeper depth can be conveniently carried out.
(6) The invention fixes the front end of the flexible rule wound on the flexible tape wheel for measurement through the meshing transmission of the measuring gear and the driving gear after passing through the guiding device, when the flexible tape wheel for measurement rotates, the flexible rule is wound on the flexible tape wheel for measurement, and the reading on the flexible rule on the flexible tape wheel for measurement is read, thus the drilling depth can be checked in real time, and the observation is very convenient.
Compared with the prior art, the invention has the advantages of simple structure, convenient use, good working stability, high measurement precision, good shock resistance, long-depth measurement and the like.
Drawings
FIG. 1 is a schematic view of the structure of the device of the present invention;
FIG. 2 is a schematic view of the structure of a U-shaped mounting plate in the device of the present invention;
fig. 3 is a schematic view of the structure of a threaded drill rod in the apparatus of the present invention.
Reference numerals illustrate: 1-a top plate; 2-mounting plates; 3-supporting the buffer column; 4-a soft tape wheel; 5-sliding plates; a 6-U-shaped mounting plate; 7-guiding means; 8-a soft tape wheel for measurement; 9-a handle; 10-a control panel; 11-an electric motor; 12-a drive gear; 13-a protective box; 14-a storage battery; 15-stand columns; 16-a measuring gear; 17-a slider; 18-supporting springs; 19-a spool; 20-screw; 21-fixing the cylinder column; 22-rotating the rod; 23-threaded drill pipe; 24-threaded holes; 25-screw drill bit; 26-a guide bar; 27-a guide shaft; 28-guiding rollers; 29-U-shaped mounting groove; 30-adjusting a threaded rod; 31-thread fixing the end head; 32-a threaded fixing hole; 33-thread groove; 34-elastic tabletting.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples.
The invention relates to a method for measuring the depth of rock and soil geological exploration, which comprises the steps of when a motor is used for driving a threaded drill rod to drill into the rock and soil geological layer to measure the depth of the threaded drill rod to drill into the rock and soil geological layer, measuring the depth of the threaded drill rod to drill into the rock and soil geological layer by using a flexible rule, namely winding the flexible rule on a flexible tape wheel in advance, fixing the front end of the flexible rule on the flexible tape wheel for measurement, coaxially arranging a gear for measurement with the flexible tape wheel for measurement, and meshing the gear for measurement with a driving gear arranged on a rotating rod of the threaded drill rod driven by a motor through a rotating rod, wherein when the motor is used for driving the threaded drill rod to drill into the rock and soil geological layer, the driving gear drives the flexible tape wheel for measurement to rotate, so that the flexible rule is wound on the flexible tape wheel for measurement, and the depth of the threaded drill into the rock and soil geological layer can be measured or read from scales on the flexible rule wound on the flexible tape wheel for measurement.
The invention relates to a measuring device for the geological survey depth of rock and soil, which is constructed according to the method and is used for the method, and comprises a threaded drill rod 23 driven by a motor 11, wherein the motor 11 is arranged below a top plate 1, the top plate 1 is fixed on a mounting plate 2 through a stand column 15, support buffer columns 3 are fixed on the lower end surface of the mounting plate 2, preferably, the support buffer columns 3 are uniformly distributed and arranged in a circle with the center of the mounting plate 2 as the center of the circle, each support buffer column 3 respectively comprises a support spring 18, a slide column 19, a screw rod 20 and a fixed cylinder column 21, the fixed cylinder column 21 is fixedly connected on the mounting plate 2, the support springs 18 and the slide column 19 are arranged in the fixed cylinder column 21, two ends of the support springs 18 are respectively connected with the top of the fixed cylinder column 21 and the slide column 19, the lower end surface of the slide column 19 is fixedly connected with the screw rod 20, and the lower end of the screw rod 20 is provided with a conical head; the method comprises the steps of connecting an output shaft of a motor 11 with a rotary rod 22 through a coupler, connecting the rotary rod 22 to a mounting plate 2 through a bearing in a rotating way, connecting the lower end of the rotary rod 22 with a threaded drill rod 23 for drilling a geotechnical geological layer in a threaded way, fixedly installing a driving gear 12 capable of being meshed with a measuring gear 16 on the rotary rod 22, fixedly installing the measuring gear 16 on a rotating shaft, fixedly installing a measuring soft tape wheel 8 on the rotating shaft, respectively and rotatably connecting two ends of the rotating shaft to a sliding block 17 and a sliding plate 5 through bearings, enabling the sliding block 17 to be in sliding connection with a sliding groove arranged on the mounting plate 2, enabling the sliding plate 5 to be in sliding connection with the sliding groove arranged on a top plate 1, installing a locking bolt for controlling the sliding plate 5 to move on the sliding plate 5, symmetrically installing a soft tape wheel 4 wound with a soft tape in a horizontal direction on the measuring soft tape wheel 8, enabling the rotating shaft to be rotatably connected to the sliding plate 5 through the bearing, enabling the measuring gear 16 and the driving gear 12 to be in a size and a tooth number of the measuring soft tape wheel, and determining that the measuring soft tape wheel is capable of moving along the same in the length of the measuring soft tape wheel 16 when the soft tape wheel is driven by the driving gear 23 under the condition of the motor according to use requirement, and the length of the measuring requirement that the measuring soft tape wheel is driven by the soft tape wheel is driven to move by the soft tape wheel to the length of the soft tape wheel to the measuring section of the soft tape wheel, and the length of the soft tape wheel is driven by the soft tape wheel, and the measuring layer, and the length of the soil layer, and the measuring device; a protective box 13 is manufactured on the lower end surface of the top plate 1, and a storage battery 14 for supplying power to the motor 11 is arranged in the protective box 13; in order to make the flexible rule run more stably, a U-shaped mounting plate 6 can be fixed on the sliding plate 5 between the soft measuring tape wheel 8 and the soft measuring tape wheel 4, and a guide device 7 for stabilizing the movement of the flexible rule is fixedly arranged on the U-shaped mounting plate 6; the guide device 7 comprises guide rods 26, guide shafts 27, guide rollers 28, U-shaped mounting grooves 29 and adjusting threaded rods 30, wherein the two sides of the U-shaped mounting plate 6 are respectively in threaded connection with one adjusting threaded rod 30, the front end of each adjusting threaded rod 30 is rotatably connected with one U-shaped mounting groove 29 through a bearing, each U-shaped mounting groove 29 is provided with the guide shaft 27, the guide shafts 27 are provided with the guide rollers 28 which can be contacted with a flexible rule, and the upper end surface of each U-shaped mounting groove 29 is fixedly provided with one guide rod 26, so that the guide rods 26 are in sliding connection with the inner wall grooves of the U-shaped mounting plate 6; for more convenient use, the motor 11 is preferably a variable frequency motor, the top plate 1 is provided with a control panel 10, a frequency converter and a solar panel, and the storage battery 14 is electrically connected with the motor 11, the control panel 10, the frequency converter and the solar panel through leads according to a conventional electrical connection mode; in order to facilitate long depth drilling and measurement, a threaded fixing end head 31 can be arranged at the lower end of a threaded drill rod 23, the threaded drill rod 23 and the threaded fixing end head 31 are manufactured into an integrated structure, a threaded drill bit 25 is connected with the threaded fixing end head 31 in a threaded manner, the threaded drill bit 25 is manufactured into a threaded inverted cone drill bit structure, a threaded groove 33 is manufactured on the upper end face of the threaded drill rod 23, threaded holes 24 are manufactured on the side wall of the threaded drill rod 23, a fastening bolt is connected with each threaded hole 24 in a threaded manner, a threaded fixing hole 32 is manufactured on the side wall of the threaded groove 33, and a fastening bolt is connected with each threaded fixing hole 32 in a threaded manner, so that the threaded drill rod 23 and the threaded drill rod 23 can be conveniently connected with each other, and long depth measurement is facilitated; in order to prevent the flexible rule from loosening, an elastic pressing piece 34 for pressing the stable flexible rule can be hinged on the side wall of the flexible rule wheel 4; in order to reduce noise better, a noise reduction box can be sleeved outside the motor 11, and the noise reduction box is formed by manufacturing a sound insulation plate or a sound attenuation plate in the prior art; the flexible rule can be directly made of steel tape, cloth tape or tape finished products sold in the market.
The working principle of the invention is described as follows:
the working principle of the invention is as follows: when the device is used, the supporting buffer column 3 is fixed on the ground, the threaded drill bit 25 is in contact with a rock-soil geological layer, the sliding plate 5 and the sliding block 17 are slid, the driving gear 12 is meshed with the measuring gear 16, the front end of a flexible rule wound on the flexible rule wheel 4 is fixed on the measuring flexible rule wheel 8 through the guiding device 7, then the motor 11 and the frequency converter are controlled to operate through the control panel 10, the threaded drill rod 23 is driven to drill into the geological layer through the rotating rod 22, and the drilling depth is measured through the flexible rule; when the depth to be surveyed and measured is deeper, the rotary rod 22 is used for rotating the threaded drill rod 23 provided with the threaded drill bit 25 into a geological layer, the threaded drill rod 23 provided with the threaded drill bit 25 is screwed out of the rotary rod 22 and driven into the ground, another threaded drill rod 23 is taken out to be rotated into the rotary rod 22, the threaded drill rod 23 is fixedly connected with the threaded drill rod 23 which is already drilled into the geological layer, then the drilling survey is continued, so that the length of the threaded drill rod 23 can be prolonged, the control motor 11 is reversely rotated to take out the threaded drill rod 23 in the ground, and the operation is quite simple; when the support buffer column 3 is subjected to vibration, the sliding column 19 slides in the fixed cylinder column 21, the support spring 18 is compressed, and the spring force of the support buffer column can be used for shock absorption and buffering.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (7)

1. The utility model provides a measuring device of ground geology reconnaissance degree of depth, includes screw thread drilling rod (23) through motor (11) drive, its characterized in that: the motor (11) is arranged below the top plate (1), the top plate (1) is fixed on the mounting plate (2) through a stand column (15), a supporting buffer column (3) is fixed on the lower end face of the mounting plate (2), an output shaft of the motor (11) is connected with a rotating rod (22) through a coupler, the rotating rod (22) is rotationally connected on the mounting plate (2) through a bearing, the lower end of the rotating rod (22) is in threaded connection with a threaded drill rod (23) for drilling a geotechnical geological layer, a driving gear (12) capable of being meshed with a measuring gear (16) is fixedly arranged on the rotating rod (22), the measuring gear (16) is fixedly arranged on a rotating shaft, a measuring soft tape wheel (8) is fixedly arranged on the rotating shaft, two ends of the rotating shaft are respectively rotationally connected on a sliding block (17) and a sliding plate (5) through bearings, the sliding block (17) is slidingly connected in a sliding groove arranged on the mounting plate (2), the sliding plate (5) is slidingly connected in a sliding groove arranged on the top plate (1), the sliding plate (5) is provided with a soft tape wheel (4) which is arranged in a horizontal direction, the soft tape wheel (4) is symmetrically arranged on the rotating shaft, the soft tape wheel (4) is wound along the rotating shaft, the rotating shaft is rotationally connected to the sliding plate (5) through a bearing; a protective box (13) is arranged on the lower end surface of the top plate (1), and a storage battery (14) for supplying power to the motor (11) is arranged in the protective box (13);
a U-shaped mounting plate (6) is arranged on the sliding plate (5) and between the soft tape wheel (8) for measurement and the soft tape wheel (4), and a guide device (7) for stabilizing the motion of the flexible tape is fixedly arranged on the U-shaped mounting plate (6); the guide device (7) comprises guide rods (26), guide shafts (27), guide rollers (28), U-shaped mounting grooves (29) and adjusting threaded rods (30), wherein two sides of each U-shaped mounting plate (6) are respectively connected with one adjusting threaded rod (30) in a threaded mode, the front end of each adjusting threaded rod (30) is rotationally connected with one U-shaped mounting groove (29) through a bearing, the guide shafts (27) are mounted on each U-shaped mounting groove (29), the guide rollers (28) capable of being contacted with flexible tapes are mounted on the guide shafts (27), the guide rods (26) are fixedly mounted on the upper end face of each U-shaped mounting groove (29), and the guide rods (26) are slidably connected in the inner wall grooves of the U-shaped mounting plates (6);
the support buffer columns (3) are uniformly distributed and are arranged in a circle with the center of the mounting plate (2) as the center of the circle, each support buffer column (3) comprises a support spring (18), a sliding column (19), a screw rod (20) and a fixed cylinder column (21), the fixed cylinder column (21) is fixedly connected to the mounting plate (2), the support springs (18) and the sliding column (19) are arranged in the fixed cylinder column (21), two ends of each support spring (18) are respectively connected with the top of the fixed cylinder column (21) and the sliding column (19), the lower end face of each sliding column (19) is fixedly connected with the screw rod (20), and a conical head is arranged at the lower end of each screw rod (20).
2. The apparatus for measuring the depth of a geotechnical geological survey according to claim 1, wherein: the motor (11) is a variable frequency motor, the top plate (1) is provided with a control panel (10), a frequency converter and a solar panel, and the storage battery (14) is electrically connected with the motor (11), the control panel (10), the frequency converter and the solar panel through wires.
3. The apparatus for measuring the depth of a geotechnical geological survey according to claim 1, wherein: the screw thread drill rod (23) lower extreme is equipped with screw thread fixed end (31), screw thread drill rod (23) and screw thread fixed end (31) are integrated into one piece structure, and threaded connection has screw thread drill bit (25) on screw thread fixed end (31), screw thread drill bit (25) are screw thread back taper drill bit, are equipped with screw thread recess (33) at the up end of screw thread drill rod (23), are equipped with screw hole (24) on the lateral wall of screw thread drill rod (23), and threaded connection has the holding bolt in screw hole (24), are equipped with screw thread fixed orifices (32) on the lateral wall of screw thread recess (33), and threaded connection has the holding bolt in screw thread fixed orifices (32).
4. The apparatus for measuring the depth of a geotechnical geological survey according to claim 1, wherein: an elastic pressing piece (34) for pressing the stable flexible rule is hinged on the side wall of the flexible tape wheel (4).
5. The apparatus for measuring the depth of a geotechnical geological survey according to claim 1, wherein: a noise reduction box is sleeved outside the motor (11), and the noise reduction box consists of a sound insulation plate or a sound attenuation plate.
6. The apparatus for measuring the depth of a geotechnical geological survey according to claim 1, wherein: the flexible rule is a steel tape rule, a cloth rule or a tape rule.
7. A method for measuring the depth of a geotechnical geological survey using the measuring device of claim 1, characterized in that: when the motor is used for driving the threaded drill rod to drill into the rock-soil geological layer to measure the depth of the threaded drill rod into the rock-soil geological layer, the flexible rule is used for measuring the depth of the threaded drill rod into the rock-soil geological layer, namely the flexible rule is wound on a flexible tape wheel in advance, then the front end of the flexible rule is fixed on the flexible tape wheel for measurement, a gear for measurement is coaxially arranged on the flexible tape wheel for measurement, the gear for measurement is meshed with a driving gear arranged on a rotating rod of the threaded drill rod driven by a motor through a rotating rod, and therefore when the motor is used for driving the threaded drill rod to drill into the rock-soil geological layer, the driving gear drives the flexible tape wheel for measurement to rotate, so that the flexible rule is wound on the flexible tape wheel for measurement, and the depth of the rock-soil geological layer can be measured or read from scales on the flexible rule wound on the flexible tape wheel for measurement.
CN201811191255.5A 2018-10-12 2018-10-12 Method and device for measuring rock-soil geological investigation depth Active CN109282730B (en)

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CN111336893B (en) * 2020-04-11 2021-11-16 河北益坤岩土工程新技术有限公司 Device and method for measuring geotechnical geological investigation depth
CN112240839B (en) * 2020-10-09 2022-09-13 王元 Geotechnical sampling device and sampling method for geotechnical engineering investigation
CN114062023B (en) * 2021-11-25 2023-07-07 山东省地质矿产勘查开发局第四地质大队(山东省第四地质矿产勘查院) Automatic drilling equipment for geological mineral resource survey
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