CN214793870U

CN214793870U - Geotechnical sampling device for constructional engineering investigation

Info

Publication number: CN214793870U
Application number: CN202022278765.5U
Authority: CN
Inventors: 康长平; 侯越译
Original assignee: Guiyang Architectural Survey And Design Co ltd
Current assignee: Guiyang Architectural Survey And Design Co ltd
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-11-19
Anticipated expiration: 2030-10-14

Abstract

The utility model discloses a geotechnical sampling device is used in building engineering reconnaissance, concretely relates to geotechnical engineering equipment field, which comprises a flat plate, dull and stereotyped bottom fixedly connected with support, the bottom fixedly connected with stabilizer blade of support, dull and stereotyped top fixedly connected with turning handle, one side fixedly connected with telescopic link of support is kept away from to dull and stereotyped bottom, the bottom sliding connection of telescopic link has the bracing piece, the bottom fixedly connected with buffer beam of bracing piece, the bottom fixedly connected with drilling rod of buffer beam. The utility model discloses a set up telescopic link and spring and buffer beam and can play the cushioning effect when the drill bit receives the impact, prevent that the drill bit from receiving the damage under impacting, through setting up the through-hole on the drilling rod, motor drive sample screw rod passes through the through-hole and outwards stretches out, takes a sample to the ground, returns the sample box after the sample is accomplished for the sample can not receive external environment's interference.

Description

Geotechnical sampling device for constructional engineering investigation

Technical Field

The utility model relates to a geotechnical engineering equipment technical field, more specifically say, the utility model relates to a geotechnical sampling device is used in building engineering reconnaissance.

Background

The basic contents of construction engineering surveys are engineering surveys, hydrogeological surveys, and engineering geological surveys. The exploration task aims to find natural geological condition data such as landforms, stratum soil lithology, geological structures, hydrological conditions and the like of construction sites of engineering projects, identify and comprehensively evaluate the natural geological condition data, provide scientific and reliable basis for site selection, engineering design and construction of the construction projects, and pay great attention to the quality of soil samples for rock-soil sampling. In the drilling and soil taking processes, the soil structure is very easy to be stirred, and the soil sample with disturbed structure is used for testing, so that an error conclusion is necessarily obtained, and engineering accidents or construction funds are wasted. The 'geotechnical engineering survey specification') provides a standard for soil sample quality grade division, the soil sample quality grade is provided according to the requirements of different tests on the soil sample disturbance degree, different sampling tools are suitable for different soil types, in order to obtain qualified soil samples during soil sampling, appropriate sampling tools and sampling methods are selected according to the requirements on the soil sample quality grade and the soil type, and geotechnical sampling analysis is an essential step before various engineering constructions. In the sampling process, different properties exist in rock-soil layers with different depths, so that the rock-soil layers with different depths need to be sampled.

However, in the time of practical use, the sampling device of current tradition can only carry out once and take a sample, and when the ground layer to the different degree of depth, sampling device will repeated sample work, and efficiency is lower, and current sampling device lacks buffer gear, receives when assaulting at the drill bit, causes the damage to drill bit and sampling device easily.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a geotechnical sampling device is used in building engineering reconnaissance to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a rock-soil sampling device for constructional engineering investigation comprises a flat plate, wherein the bottom of the flat plate is fixedly connected with a support, the bottom of the support is fixedly connected with a support leg, the top of the flat plate is fixedly connected with a rotating handle, one side of the bottom of the flat plate, which is far away from the support, is fixedly connected with a telescopic rod, the bottom of the telescopic rod is slidably connected with a support rod, the bottom of the support rod is fixedly connected with a buffer rod, the bottom of the buffer rod is fixedly connected with a drill rod, and the bottom of the drill rod is fixedly connected with a drill bit;

a fixed column is fixedly connected inside the drill rod, one side of the fixed column is detachably connected with a motor chamber, a motor is fixedly connected inside the motor chamber, and one side of the motor is rotatably connected with a bearing;

one side fixedly connected with pivot of bearing, the bottom fixedly connected with supporter of motor, one side of pivot is rotated and is connected with the sampling box.

Further, the bottom fixedly connected with connecting block of twist grip, the bottom fixedly connected with dwang of connecting block, the through-hole has been seted up in dull and stereotyped surface running through, the dwang passes from through-hole department.

Further, the inside fixedly connected with spring of bracing piece, the bracing piece has two sets ofly, two sets of the bracing piece is the symmetric distribution, the spring has two sets ofly, two sets of the spring is the symmetric distribution.

Further, the surface of the motor chamber can be dismantled and is connected with the fixed screw, the motor chamber can be dismantled with the fixed column through the fixed screw and be connected.

Furthermore, the surface of the drill rod is provided with a through hole, the inside of the sampling box is rotatably connected with a sampling screw rod, and the surface of the sampling screw rod is provided with threads.

Further, the support has two sets ofly, two sets of the support is the symmetric distribution, the stabilizer blade has two sets ofly, two sets of the stabilizer blade is the symmetric distribution.

Furthermore, there are three groups of sampling screws, and the three groups of sampling screws are linearly distributed at equal intervals.

The utility model discloses a technological effect and advantage:

1. compared with the prior art, the buffer device is formed by arranging the telescopic rod, the supporting rod and the spring, so that when the drill bit is impacted, the impact force can be buffered, the impact force is reduced, the drill bit and the whole device cannot be damaged, and the normal working state can be kept;

2. compared with the prior art, through setting up drilling rod and motor in it, the rotation that the motor rotated the drive pivot makes the through-hole that the sampling screw rod passes through on the drilling rod drill out, takes a sample to the ground through the screw thread on the sampling screw rod, and the back is accomplished in the sample, rotates by the pivot again, makes the sampling screw rod return to the sampling box in, can reduce the interference of external factor to the ground sample at to a great extent, is convenient for carry out experimental study.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the sampling structure of the present invention.

Fig. 3 is a schematic view of the buffering structure of the present invention.

The reference signs are: 1. a flat plate; 2. a support; 3. a support leg; 4. rotating the handle; 5. connecting blocks; 6. rotating the rod; 7. a telescopic rod; 8. a support bar; 9. a spring; 10. a buffer rod; 11. a drill stem; 12. fixing a column; 13. a motor chamber; 14. fixing screws; 15. a motor; 16. a bearing; 17. a rotating shaft; 18. a rack; 19. a sampling box; 20. sampling screw rods; 21. a drill bit.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The geotechnical sampling device for architectural engineering investigation shown in the attached drawings 1-3 comprises a flat plate 1, wherein the bottom of the flat plate 1 is fixedly connected with a support 2, the bottom of the support 2 is fixedly connected with a support leg 3, the top of the flat plate 1 is fixedly connected with a rotating handle 4, one side of the bottom of the flat plate 1, which is far away from the support 2, is fixedly connected with a telescopic rod 7, the bottom of the telescopic rod 7 is slidably connected with a support rod 8, the bottom of the support rod 8 is fixedly connected with a buffer rod 10, the bottom of the buffer rod 10 is fixedly connected with a drill rod 11, and the bottom of the drill rod 11 is fixedly connected with a drill bit 21;

a fixed column 12 is fixedly connected inside the drill rod 11, one side of the fixed column 12 is detachably connected with a motor chamber 13, a motor 15 is fixedly connected inside the motor chamber 13, and one side of the motor 15 is rotatably connected with a bearing 16;

one side of bearing 16 is fixedly connected with pivot 17, and the bottom fixedly connected with supporter 18 of motor 15, one side of pivot 17 rotates and is connected with sample box 19.

In a preferred embodiment, the bottom fixedly connected with connecting block 5 of twist grip 4, the bottom fixedly connected with dwang 6 of connecting block 5, the surface of dull and stereotyped 1 has run through and has seted up the through-hole, dwang 6 passes from the through-hole to in make dwang 6 to lean out downwards through the through-hole on the dull and stereotyped 1 through twist grip 4, be favorable to developing of follow-up sample work.

In a preferred embodiment, the inside fixedly connected with spring 9 of bracing piece 8, bracing piece 8 have two sets ofly, and two sets of bracing pieces 8 are the symmetric distribution, and spring 9 has two sets ofly, and two sets of springs 9 are the symmetric distribution to in-process at the drill bit 21 drilling downwards, if meet great impact, can play the cushioning effect, weakening impact force by a wide margin makes drill bit 21 and integrated device can not receive the damage, can continue to work.

In a preferred embodiment, a fixing screw 14 is detachably connected to the surface of the motor chamber 13, and the motor chamber 13 is detachably connected to the fixing post 12 through the fixing screw 14, so that the motor 15 is placed in the motor chamber 13, the motor 15 and the rotating shaft 17 are kept in a horizontal state, and sampling is facilitated.

In a preferred embodiment, a through hole is formed on the surface of the drill rod 11, a sampling screw 20 is rotatably connected to the inside of the sampling box 19, the surface of the sampling screw 20 is threaded, so that the sampling screw 20 can extend through the through hole on the drill rod 11, and the rock soil is brought back into the sampling box 19 by the threads on the surface of the sampling screw 20 and the rotation of the motor 15.

In a preferred embodiment, there are two sets of supports 2, two sets of supports 2 are symmetrically distributed, two sets of support legs 3 are symmetrically distributed, and two sets of support legs 3 are symmetrically distributed, so that the support legs 3 can be stably located on the ground, and the stability of the device is maintained, so that the device can stably perform sampling work.

In a preferred embodiment, sampling screw 20 has three groups, and three groups of sampling screw 20 are equidistance straight line distribution to sample the ground through the sampling device of three different water flat lines, can obtain the ground data of the different degree of depth, avoided a lot of samplings, improved work efficiency.

The utility model discloses the theory of operation: when the device is used, the support legs 3 are placed on a horizontal ground, the stability of the whole device is kept, the rotating handle 4 is screwed, the rotating rod 6 is driven to move downwards, the drill rod 11 is driven to move downwards, when a preset position is reached, the motor 15 starts to rotate, the rotating shaft 17 is driven to rotate, the sampling screw rods 20 are pushed to rotate outwards through the through holes in the drill rod 11, the rock and soil samples are brought back to the sampling box 19 through threads on the surface of the sampling screw rods, the three groups of sampling screw rods 20 can simultaneously obtain rock and soil data of different depths, repeated sampling is avoided, the working efficiency is improved, in the process, the contact with the outside is less, the influence of external factors is less, in the experiment, more accurate data can be obtained, the later building development work is facilitated, when the drill bit 21 drills to harder materials such as rocks, huge impact force can be received, the impact force passes through the buffer rod 10, When the telescopic rod 7 and the spring 9 are greatly weakened, the drill bit 21 is not damaged by large impact force, and the service life of the equipment is prolonged.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a geotechnical sampling device is used in building engineering reconnaissance, includes dull and stereotyped (1), its characterized in that: the bottom of the flat plate (1) is fixedly connected with a support (2), the bottom of the support (2) is fixedly connected with a support leg (3), the top of the flat plate (1) is fixedly connected with a rotating handle (4), one side, far away from the support (2), of the bottom of the flat plate (1) is fixedly connected with a telescopic rod (7), the bottom of the telescopic rod (7) is slidably connected with a support rod (8), the bottom of the support rod (8) is fixedly connected with a buffer rod (10), the bottom of the buffer rod (10) is fixedly connected with a drill rod (11), and the bottom of the drill rod (11) is fixedly connected with a drill bit (21);

a fixed column (12) is fixedly connected inside the drill rod (11), a motor chamber (13) is detachably connected to one side of the fixed column (12), a motor (15) is fixedly connected inside the motor chamber (13), and a bearing (16) is rotatably connected to one side of the motor (15);

one side fixedly connected with pivot (17) of bearing (16), the bottom fixedly connected with supporter (18) of motor (15), one side rotation of pivot (17) is connected with sampling box (19).

2. The geotechnical sampling device for architectural engineering investigation of claim 1, wherein: the bottom fixedly connected with connecting block (5) of twist grip (4), the bottom fixedly connected with dwang (6) of connecting block (5), the through-hole has been seted up in the surface of flat board (1) runs through, dwang (6) are passed from through-hole department.

3. The geotechnical sampling device for architectural engineering investigation of claim 1, wherein: the inside fixedly connected with spring (9) of bracing piece (8), bracing piece (8) have two sets ofly, two sets of bracing piece (8) are the symmetric distribution, spring (9) have two sets ofly, two sets of spring (9) are the symmetric distribution.

4. The geotechnical sampling device for architectural engineering investigation of claim 1, wherein: the surface of the motor chamber (13) is detachably connected with a fixing screw (14), and the motor chamber (13) is detachably connected with a fixing column (12) through the fixing screw (14).

5. The geotechnical sampling device for architectural engineering investigation of claim 1, wherein: the surface of the drill rod (11) is provided with a through hole, the inside of the sampling box (19) is rotatably connected with a sampling screw rod (20), and the surface of the sampling screw rod (20) is provided with threads.

6. The geotechnical sampling device for architectural engineering investigation of claim 1, wherein: the support (2) have two sets ofly, two sets of support (2) are the symmetric distribution, stabilizer blade (3) have two sets ofly, two sets of stabilizer blade (3) are the symmetric distribution.

7. The geotechnical sampling device for architectural engineering investigation of claim 5, wherein: the sampling screw rods (20) are provided with three groups, and the three groups of sampling screw rods (20) are linearly distributed at equal intervals.