CN211855930U - Device capable of surveying and sampling hard rock soil - Google Patents

Abstract

The utility model provides a device capable of surveying and sampling hard rock and soil, comprising a base; the base is a cuboid metal plate, the upper part of which is mounted with a fixed support by welding; the end of the connecting bracket is mounted with a welding a fixed socket; a motor is arranged above the fixed socket; one side of the motor is fixedly connected to the push rod by welding; the bottom of the motor is fixed with a screw with a motor bushing; the inside of the motor bushing A motor main shaft is provided, and the top of the motor main shaft is rotatably connected with the motor; the bottom end of the motor main shaft is fixedly connected with the main shaft connector through threads; There is a piston inside the cavity of the section, and a piston rod is installed on the upper part of the piston by means of threads. The hole groove is convenient for breaking the rock and soil inside the core drill pipe from the outside, and at the same time, push the piston rod, and use the piston to push out the rock and soil, and it is more convenient to take out the rock and soil. Convenient.

Description

A device that can survey and sample hard rock and soil

technical field

The utility model belongs to the technical field of geotechnical engineering investigation, and more particularly relates to a device capable of sampling hard geotechnical investigations.

Background technique

The main purpose of geotechnical engineering investigation is to find out the geological situation and provide geological investigation structure and various geotechnical engineering parameters for design and construction. Undisturbed soil sampling is an important work of geotechnical engineering investigation. Geotechnical sampling is to extract the undisturbed soil of the lower soil sample as a sample to understand the properties of the base layer, which is used for various engineering construction to carry out data statistics on the soil samples of the construction stratum. It includes geotechnical engineering survey, design, test, construction and monitoring. Involves the whole process of engineering construction. It is of great significance in various constructions such as housing, municipal administration, energy, water conservancy, roads, shipping, mining, and national defense.

When the existing hard rock-soil sampling device is opening the rock, the drill bit cannot cut directly and vertically due to the smooth and hard surface of the rock, which will cause the drill bit to swing, making it difficult for operators to control, and the drill pipe will be subject to great wear and tear. At the same time, when the rock and soil taken are moderately weathered granite or slightly weathered granite, the rock and soil will be stuck inside the drill pipe, and the process of taking out the rock and soil is relatively difficult, and the drill pipe will be damaged if removed violently.

Utility model content

In order to solve the above-mentioned technical problems, the present utility model provides a device that can survey and sample hard rock and soil, so as to solve the problem that the drill bit cannot be directly vertical when the existing hard rock and soil sampling device is used to open the rock because the rock surface is smooth and hard. Cutting will cause the drill bit to swing, making it difficult for the operator to control, and the drill bit will be greatly worn. At the same time, when the rock and soil taken are moderately weathered granite or slightly weathered granite, the rock and soil will be stuck in the drill pipe. Internally, the process of removing rock and soil is relatively difficult, and if violent removal will cause damage to the drill pipe.

The purpose and effect of the device for hard rock and soil survey and sampling of the present utility model are achieved by the following specific technical means:

A device capable of surveying and sampling hard rock and soil, comprising a base; the base is a cuboid metal plate, the upper part of which is mounted with a fixed column by welding; the fixed column is a cylindrical column with a sliding plate outside , and the inside of the sliding plate is slidably connected with the fixed pillar; the sliding plate is installed with a connecting bracket by welding; the end of the connecting bracket is installed with a fixed sleeve by welding; a motor is arranged above the fixed sleeve; One side of the motor is fixedly connected with the push rod by welding; the bottom of the motor is mounted with a motor bushing by means of fixing screws; a motor spindle is arranged inside the motor bushing, and the top of the motor spindle is rotatably connected with the motor; The bottom end of the main shaft of the motor is fixedly connected with the main shaft connecting head by means of threads; the main shaft connecting head is fixedly connected with the core drilling rod by means of threads; the end of the core drilling rod is provided with an alloy drill bit.

Further: the fixed sleeve is in the form of a cuboid cavity, and the middle positions of the left and right sides are provided with bearings, and the two bearings are provided with rotating shafts, wherein the rotating shafts are rotatably connected with the bearings.

Further: the motor shaft sleeve passes through the interior of the cavity of the fixed sleeve opening, and the motor shaft sleeve is fixedly connected to the rotating shaft by means of threads.

Further: the core drilling rod has a cylindrical cavity structure, and its sidewall is provided with a plurality of inclined holes, and the holes are arranged in a parallel manner.

Further: a piston is provided inside the cavity of the top section of the core drilling rod, and a piston rod is installed on the upper part of the piston by means of threads, and they are respectively slidably connected with the core drilling rod and the interior of the main shaft connecting head.

The utility model at least includes the following beneficial effects:

The hard geotechnical survey and sampling device is provided with a fixed sleeve, which is a cuboid cavity structure, and has bearings in the middle of the left and right sides. The motor shaft sleeve passes through the cavity of the fixed sleeve mouth, and the motor shaft sleeve is fixedly connected with the rotating shaft by means of threads, and the motor shaft sleeve and the motor can swing left and right through the rotating shaft. The drilling rig is inclined through the rotating shaft, so that the alloy drill bit first cuts into the rock on one side, and then slowly adjusts it, so that the drilling rig and the drill pipe are drilled vertically downward, which can effectively prevent the drill bit from swinging and improve the rationality of the structure.

The side wall of the existing coring drill rod is provided with a number of inclined hole grooves, the holes and grooves are arranged in parallel, a piston is arranged inside the cavity of the top section of the coring drill rod, and a piston rod is installed on the upper part of the piston by means of threads. , and they are respectively connected with the inner sliding connection of the core drill pipe and the main shaft connector, the hole groove is convenient to crush the rock and soil inside the core drill pipe from the outside, and at the same time push the piston rod, use the piston to push out the rock and soil, and it is more convenient to take out the rock and soil fast.

Description of drawings

Figure 1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic structural diagram of the rotating angle of view drawn from FIG. 1 according to the present invention.

FIG. 3 is a schematic view of the drill pipe and the fixed sleeve shaft of the present invention.

FIG. 4 is a schematic diagram of the longitudinal cross-sectional structure of the drill pipe of the present invention.

FIG. 5 is a schematic view of the longitudinal cross-sectional structure of the fixed sleeve of the present invention.

In the figure, the corresponding relationship between component names and drawing numbers is:

1. Base; 2. Fixed pillar; 3. Sliding plate; 4. Motor; 5. Fixed sleeve; 6. Push rod; 7. Core drill pipe; 8. Alloy drill bit; 9. Rotating shaft; 10. Connecting bracket; 11. Motor bushing; 12. Bearing; 13. Hole and groove; 14. Piston; 15. Piston rod; 16. Spindle connector; 17. Motor spindle.

Detailed ways

The embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

In the description of the present utility model, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer" ", "front end", "rear end", "head", "tail" and other indications of orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, only for the convenience of describing the present utility model and simplifying the description, Rather than indicating or implying that the indicated device or element must have a particular orientation, be constructed and operate in a particular orientation, it should not be construed as a limitation of the present invention. Furthermore, the terms "first," "second," "third," etc. are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection, or It can be connected integrally; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

Example:

As shown in accompanying drawings 1 to 5:

The utility model provides a device capable of surveying and sampling hard rock and soil, comprising a base 1; the base 1 is a cuboid metal plate, the upper part of which is mounted with a fixed column 2 by welding; the fixed column 2 is a cylindrical column whose outer A sliding plate 3 is provided, and the interior of the sliding plate 3 is slidably connected with the fixed pillar 2; the sliding plate 3 is mounted with a connecting bracket 10 by welding; A motor 4 is provided above; one side of the motor 4 is fixedly connected to the push rod 6 by welding; a motor bushing 11 is installed at the bottom of the motor 4 by means of screws; The top end of 17 is rotatably connected with the motor 4; the bottom end of the motor main shaft 17 is fixedly connected with the main shaft connecting head 16 by means of threads; the main shaft connecting head 16 is fixedly connected with the core drilling rod 7 by means of threads; There are alloy drill bits 8.

Among them: as shown in Figures 3 and 5, the fixed sleeve 5 is a cuboid cavity structure, and the middle positions of the left and right sides are provided with bearings 12, and two bearings 12 are provided with rotating shafts 9 inside, wherein the rotating shaft 9 and the bearing 12 Turn the connection. The motor bushing 11 passes through the cavity of the fixed socket 5 , and is fixedly connected to the rotating shaft 9 by means of threads. The rotating shaft 9 can make the motor bushing 11 and the motor 4 swing left and right. The drilling rig 4 is tilted through the rotating shaft 9, so that the alloy drill bit 8 first cuts into the rock on one side, and then slowly adjusts it, so that the drilling rig 4 and the core drill rod 7 are drilled vertically downward, which effectively prevents the alloy drill bit 8 from swinging, and improves the reasonable structure. sex.

Among them: as shown in Figures 3 and 4, the core drilling rod 7 is a cylindrical cavity structure, and its side wall is provided with a number of inclined hole grooves 13, and the hole grooves 13 are arranged in a parallel manner; the core drilling rod 7 A piston 14 is provided inside the cavity of the top section, and a piston rod 15 is installed on the upper part of the piston 14 by means of threads, and they are respectively connected with the core drill rod 7 and the interior of the main shaft connecting head 16 in sliding connection. The hole groove 13 is convenient for breaking the rock and soil inside the coring drill rod 7 from the outside, while pushing the piston rod 15, and using the piston 14 to push out the rock and soil, it is more convenient and quick to take out the rock and soil.

The specific usage mode and function of this embodiment:

First fix the base 1 stably, connect the main shaft connector 16 to the motor main shaft 17, and then connect the core drilling rod 7 to the main shaft connector 16. After the assembly is complete, start the drilling rig 4 to start working. When drilling the rock, the operator pushes the push rod 6 and tilts the drilling rig 4 through the rotating shaft 9, so that the alloy drill bit 8 first cuts into the rock on one side, and then slowly adjusts the device so that the drilling rig 4 and the core drilling rod 7 are vertically downward During drilling, the alloy drill bit 8 is effectively prevented from swinging, and the structural rationality is improved. After the geotechnical sampling is completed, if the rock and soil is stuck in the core drill pipe 7 and cannot be taken out, the internal rock and soil of the core drill pipe 7 can be easily broken from the outside through the hole groove 13, and the piston rod 15 is pushed at the same time, and the rock is removed by the piston 14. The soil is pushed out, and it is more convenient and quick to take out the rock and soil.

The embodiments of the present invention are presented for purposes of illustration and description, and are not intended to be exhaustive or to limit the invention to the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to better explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for the design of various embodiments with various modifications as are suited to the particular use.

Claims (5)

1. A device capable of surveying and sampling hard rock and soil, comprising a base (1), characterized in that: the base (1) is a cuboid metal plate, and a fixed support (2) is installed on its upper part by welding; The fixed column (2) is a cylindrical column with a sliding plate (3) on the outside, and the interior of the sliding plate (3) is slidably connected with the fixed column (2); the sliding plate (3) is installed by welding There is a connecting bracket (10); the end of the connecting bracket (10) is mounted with a fixed sleeve (5) by welding; a motor (4) is arranged above the fixed sleeve (5); the motor (4) One side is fixedly connected to the push rod (6) by welding; the bottom of the motor (4) is installed with a motor bushing (11) by means of screws; the motor bushing (11) is internally provided with a motor spindle ( 17), and the top end of the motor spindle (17) is rotatably connected with the motor (4); the bottom end of the motor spindle (17) is fixedly connected with the spindle connector (16) by means of threads; the spindle connector (16) is connected by It is fixedly connected with the core drilling rod (7) by means of threads; an alloy drill bit (8) is provided at the end of the core drilling rod (7). 2. The device capable of surveying and sampling hard rock and soil according to claim 1, characterized in that: the fixed sleeve (5) is a cuboid cavity structure, and bearings (12) are provided in the middle positions of the left and right sides thereof. , and two bearings (12) are provided with rotating shafts (9) inside, wherein the rotating shafts (9) are rotatably connected with the inner holes and grooves of the bearings (12). 3. The device capable of surveying and sampling hard rock and soil according to claim 1, characterized in that: the motor bushing (11) passes through the interior of the cavity of the fixed bushing (5), and the motor bushing (11) It is fixedly connected with the rotating shaft (9) by means of threads. 4. The device capable of surveying and sampling hard rock and soil according to claim 1, characterized in that: the core drilling rod (7) is a cylindrical cavity structure, and its side walls are provided with a number of inclined holes ( 13), and the holes (13) are arranged in parallel. 5. The device for hard rock and soil survey and sampling according to claim 1, characterized in that: a piston (14) is provided inside the cavity of the top section of the core drill pipe (7), and the upper part of the piston (14) is provided with a piston (14). Piston rods (15) are installed by means of threads, and they are respectively slidably connected with the core drill rod (7) and the interior of the main shaft connecting head (16).

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