Collecting device for geotechnical engineering exploration
Technical Field
The invention relates to the technical field of civil engineering equipment, in particular to a collecting device for geotechnical engineering exploration.
Background
Geotechnical engineering exploration refers to finding out, analyzing and evaluating geological and environmental characteristics of a construction site and geotechnical engineering conditions according to requirements of construction engineering, and compiling activities of investigation files. The task of geotechnical engineering investigation is to correctly reflect the influence of engineering geological conditions of a site and the property of a geotechnical body according to the requirements of different investigation stages, carry out technical demonstration and evaluation by combining the specific requirements of engineering design, construction conditions, foundation treatment and other engineering, submit decision-making specific suggestions for treating geotechnical engineering problems and solving the problems, provide design criteria of foundation, side slope and other engineering and instructive suggestions of geotechnical engineering construction, provide a basis for design and construction, and serve the whole process of engineering construction.
When exploring soil collection for the soil layer of a construction site, it is often necessary to collect a soil sample deep underground. The existing collecting device for geotechnical engineering exploration is designed to be more traditional, has a complex structure, is very laborious to operate and is inconvenient to use.
Disclosure of Invention
The invention aims to solve the technical problem of providing a collecting device for geotechnical engineering exploration.
The technical scheme for solving the technical problems is as follows:
a collecting device for geotechnical engineering exploration comprises a sampling tube and a drill bit, wherein one end of the sampling tube is open, the other end of the sampling tube is closed, and the drill bit is rotatably arranged at the open end of the sampling tube and can be positioned; and rotating the drill bit to be coaxial with the sampling tube so as to drill a sampling channel in the soil, or to be positioned at one side of the open end of the sampling tube so as to sample.
The invention has the beneficial effects that: during sampling, firstly, the drill bit is rotated until the drill bit is coaxial with the sampling tube so as to drill a sampling channel in the soil; after the sampling channel is drilled, rotating the drill bit to one side of the open end of the sampling tube to perform sampling; after sampling, the drill bit is rotated to return to the initial position and is coaxial with the sampling tube, and the sampling tube is drawn out of the soil to finish sampling. The invention has simple structure, can realize quick sampling, is simple and convenient to operate, saves time and labor and greatly improves the sampling efficiency.
On the basis of the technical scheme, the invention can be further improved as follows.
Furthermore, the drill bit is rotatably connected with the open end of the sampling tube through two oppositely arranged connecting plates, and one side of the drill bit is fixedly connected with a limiting baffle; the drill bit with when the sampling tube is coaxial limit baffle's one end is followed the axial extension of sampling tube to extend to with the lateral wall laminating of sampling tube open end.
Adopt above-mentioned further scheme's beneficial effect to inject the drill bit through limit baffle, avoid the drill bit to rotate wantonly and influence the sample.
Furthermore, a transmission shaft is rotatably arranged in the sampling pipe along the axial direction of the sampling pipe, and a first bevel gear is coaxially and fixedly sleeved at one end of the transmission shaft; a second bevel gear is rotatably arranged in the open end of the sampling tube, the second bevel gear is fixedly sleeved on one end of a rotating shaft, and the other end of the rotating shaft penetrates through the open end of the sampling tube, is in transmission connection with the drill bit and is meshed with the first bevel gear; and rotating the transmission shaft and driving the first bevel gear to rotate, wherein the first bevel gear drives the second bevel gear to rotate so as to drive the drill bit to rotate.
The technical scheme has the advantages that the transmission shaft is rotated to drive the first bevel gear to rotate, the first bevel gear drives the second bevel gear to rotate so as to drive the drill bit to rotate, and therefore the relative position of the drill bit and the sampling tube is changed, and rapid sampling is facilitated.
Furthermore, the other end of the transmission shaft extends to the closed end of the sampling tube, and a third bevel gear is coaxially and fixedly sleeved on the transmission shaft; a bevel gear IV is rotatably arranged in the closed end of the sampling tube and is meshed with the bevel gear III; a movable handle is arranged on the closed end of the sampling tube along the radial direction of the sampling tube, and one end of the movable handle is in transmission connection with the bevel gear IV; and rotating the movable handle and driving the bevel gear IV to rotate, wherein the bevel gear IV drives the bevel gear III and the transmission shaft to rotate.
The technical scheme has the advantages that the movable handle is rotated to drive the bevel gear IV to rotate, the bevel gear IV drives the bevel gear III and the transmission shaft to rotate, the transmission shaft drives the bevel gear I to rotate, and the bevel gear I drives the bevel gear II to rotate so as to drive the drill bit to rotate, so that the relative position of the drill bit and the sampling tube is changed, and rapid sampling is facilitated.
Further, be equipped with the round hole that link up on the lateral wall of the blind end of sampling tube, the downthehole fixed mounting of round hole has the bearing, the both ends of bearing respectively with the one end of movable handle with four fixed connection of bevel gear.
The beneficial effects of adopting the above further scheme are that simple structure, it is easy and simple to handle.
Further, the closed end of the sampling tube is fixedly connected with a fixed handle along the radial direction of the sampling tube, and the fixed handle and the movable handle are arranged oppositely.
Adopt above-mentioned further scheme's beneficial effect be that fixed handle and movable handle cooperation are convenient for the operation of sampler to sample labour saving and time saving.
Further, on the inner wall of the sampling tube along its axial interval fixed mounting have a plurality ofly with transmission shaft complex fixing base, the transmission shaft passes a plurality ofly in proper order the fixing base and with a plurality of the equal swivelling joint of fixing base.
The beneficial effects of adopting above-mentioned further scheme are that simple structure ensures the stability of transmission shaft.
Further, fixed mounting has sealed the pad on the drill bit, sealed pad is located the drill bit with between the opening end of sampling tube, the drill bit with when the sampling tube is coaxial sealed pad seals the opening end of sampling tube.
The beneficial effect who adopts above-mentioned further scheme is that after the sample was accomplished, seal the open end of sampling tube through sealed the pad, avoid the sample in the sampling tube to spill.
Further, the sealing gasket is made of rubber materials.
The beneficial effect who adopts above-mentioned further scheme is that having elasticity, being convenient for seal the open end of sampling tube, avoid the sample in the sampling tube to spill.
Furthermore, fixedly connected with is used for shoveling the digger blade on soil surface stone layer on the closed end of sampling tube.
The beneficial effects of adopting above-mentioned further scheme are that the sampling in-process, at first shovels the stone layer on soil surface through the digger blade, avoids follow-up drill bit sample, avoids haring the drill bit, prolongs its life, practices thrift the cost.
Drawings
FIG. 1 is a schematic view of the whole structure of the present invention when drilling a sampling channel;
FIG. 2 is an enlarged view of A in FIG. 1;
FIG. 3 is an enlarged view of B in FIG. 1;
FIG. 4 is a second schematic diagram of the whole structure of the present invention when drilling the sampling channel;
FIG. 5 is a schematic view of the overall structure of the present invention during sampling.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the device comprises a sampling tube, 2, a drill bit, 3, a connecting plate, 4, a limiting baffle, 5, a transmission shaft, 6, a first bevel gear, 7, a second bevel gear, 8, a third bevel gear, 9, a fourth bevel gear, 10, a movable handle, 11, a fixed handle, 12, a fixed seat, 13, a sealing gasket, 14 and a digging shovel.
Detailed Description
The principles and features of this invention are described in connection with the drawings and the detailed description of the invention, which are set forth below as examples to illustrate the invention and not to limit the scope of the invention.
As shown in fig. 1 to 5, the present invention provides a collecting device for geotechnical engineering exploration, which comprises a sampling tube 1 and a drill bit 2, wherein one end of the sampling tube 1 is open, the other end is closed, and the drill bit 2 is rotatably mounted at the open end of the sampling tube 1 and can be positioned; the drill bit 2 is rotated to be coaxial with the sampling tube 1 to drill a sampling passage in the soil or to a side thereof at an open end of the sampling tube 1 to perform sampling. During sampling, firstly, the drill bit 2 is rotated until the drill bit is coaxial with the sampling tube 1 so as to drill a sampling channel in soil; after the sampling channel is drilled, rotating the drill bit 2 to one side of the open end of the sampling tube 1 for sampling; after sampling, the drill bit 2 is rotated to return to the initial position and is coaxial with the sampling tube 1, and the sampling tube 1 is drawn out from the soil to finish sampling. The invention has simple structure, can realize quick sampling, is simple and convenient to operate, saves time and labor and greatly improves the sampling efficiency.
Example 1
On the basis of the above structure, in the present embodiment, the drill bit 2 is fixedly mounted with a sealing pad 13, such as a strong adhesive, in a manner that can be conceived by those skilled in the art, so as to facilitate replacement; the sealing gasket 13 is located between the drill bit 2 and the open end of the sampling tube 1, and the sealing gasket 13 seals the open end of the sampling tube 1 when the drill bit 2 is coaxial with the sampling tube 1. After sampling, the open end of the sampling tube 1 is sealed by the sealing gasket 13 to prevent the sample in the sampling tube 1 from leaking.
Preferably, in this embodiment, the sealing pad 13 is made of rubber, and has elasticity, so as to seal the open end of the sampling tube 1 and prevent the sample in the sampling tube 1 from leaking.
Example 2
On the basis of the first embodiment, in the present embodiment, the drill bit 2 is rotatably connected to the open end of the sampling tube 1 through two oppositely disposed connecting plates 3, one end of each connecting plate 3 is welded to the drill bit 2, and the other end is rotatably connected to the open end of the sampling tube 1 through a rotating shaft. One side fixedly connected with limit baffle 4 of sampling tube 1, limit baffle 4's one end extends along the axial of sampling tube 1 when drill bit 2 is coaxial with sampling tube 1 to extend to and laminate with the lateral wall of sampling tube 1 open end, limit baffle 4's one end and drill bit 2 welding together. The in-process that the drill bit 2 rotated, inject the drill bit 2 through limit baffle 4, avoid the drill bit 2 to rotate wantonly and influence the sample.
Example 3
On the basis of the first embodiment, in the embodiment, a transmission shaft 5 is rotatably installed in the sampling tube 1 along the axial direction thereof, and a bevel gear I6 is coaxially and fixedly sleeved on one end of the transmission shaft 5, usually in an interference connection manner; the open end of the sampling tube 1 is rotatably provided with a second bevel gear 7, the second bevel gear 7 is in transmission connection with the drill bit 2, and the concrete steps are as follows: one end of a rotating shaft connected with the connecting plate 3 extends into the sampling tube 1, a second bevel gear 7 is fixedly sleeved on one end of the rotating shaft in an interference connection mode, and the second bevel gear 7 is meshed with the first bevel gear 6. During sampling, the transmission shaft 5 is rotated to drive the bevel gear I6 to rotate, and the bevel gear I6 drives the bevel gear II 7 to rotate so as to drive the drill bit 2 to rotate, so that the relative position of the drill bit 2 and the sampling tube 1 is changed, and rapid sampling is facilitated.
In addition, along its axial interval fixed mounting have a plurality ofly on the inner wall of sampling tube 1 with transmission shaft 5 complex fixing base 12, fixing base 12 and sampling tube 1 integrated into one piece, transmission shaft 5 passes a plurality of fixing bases 12 in proper order and all rotates with a plurality of fixing bases 12 to be connected, be equipped with on every fixing base 12 with transmission shaft 5 complex through-hole, simple structure ensures transmission shaft 5's stability.
Example 4
On the basis of the third embodiment, in the present embodiment, the other end of the transmission shaft 5 extends to the closed end of the sampling tube 1, and a bevel gear three 8 is coaxially and fixedly sleeved thereon, and is usually connected in an interference manner; a bevel gear four 9 is rotatably arranged in the closed end of the sampling tube 1, and the bevel gear four 9 is meshed with a bevel gear three 8; the closed end of the sampling tube 1 is provided with a movable handle 10 along the radial direction, one end of the movable handle 10 is in transmission connection with a bevel gear IV 9, and the method specifically comprises the following steps: the side wall of the closed end of the sampling tube 1 is provided with a through round hole, a bearing is fixedly arranged in the round hole, a welding mode is usually adopted, two ends of the bearing are respectively and fixedly connected (welded) with one end of the movable handle 10 and the bevel gear IV 9, the structure is simple, and the operation is simple and convenient. During sampling, the movable handle 10 is rotated to drive the bevel gear four 9 to rotate, the bevel gear four 9 drives the bevel gear three 8 and the transmission shaft 5 to rotate, the transmission shaft 5 drives the bevel gear one 6 to rotate, and the bevel gear one 6 drives the bevel gear two 7 to rotate so as to drive the drill bit 2 to rotate, so that the relative position of the drill bit 2 and the sampling tube 1 is changed, and rapid sampling is facilitated.
Example 5
On the basis of the fourth embodiment, in this embodiment, the fixed handle 11 is fixedly connected to the closed end of the sampling tube 1 along the radial direction thereof, the fixed handle 11 is disposed opposite to the movable handle 10, and one end thereof is welded to the closed end of the sampling tube 1. During sampling, the fixed handle 11 and the movable handle 10 are matched to facilitate the operation of a sampler so as to sample, and time and labor are saved.
Example 6
On the basis of the structure, in the embodiment, the closed end of the sampling tube 1 is fixedly connected with the digging shovel 14 for shoveling the soil surface stone layer, and the digging shovel 14 and the sampling tube 1 are welded together. In the sampling process, at first, the stone layer on soil surface is eradicated through the digger blade 14, avoids follow-up drill bit 2 sample, avoids damaging drill bit 2, prolongs its life, practices thrift the cost.
The working principle of the invention is as follows:
firstly, a stone layer on the soil surface is removed by a digging shovel 14;
secondly, the handle 10 is moved forward and drives a bevel gear four 9 to rotate, the bevel gear four 9 drives a bevel gear three 8 and a transmission shaft 5 to rotate, the transmission shaft 5 drives a bevel gear one 6 to rotate, and the bevel gear one 6 drives a bevel gear two 7 to rotate so as to drive the drill bit 2 to rotate until the drill bit 2 is coaxial with the sampling tube 1;
thirdly, manually holding the fixed handle 11 and the movable handle 10, and drilling a sampling channel;
fourthly, the handle 10 is reversely moved and drives the bevel gear four 9 to rotate, the bevel gear four 9 drives the bevel gear three 8 and the transmission shaft 5 to rotate, the transmission shaft 5 drives the bevel gear one 6 to rotate, and the bevel gear one 6 drives the bevel gear two 7 to rotate so as to drive the drill bit 2 to rotate until the drill bit 2 is positioned at one side of the sampling tube 1 for sampling;
fifthly, the handle 10 is moved forward and drives the bevel gear four 9 to rotate, the bevel gear four 9 drives the bevel gear three 8 and the transmission shaft 5 to rotate, the transmission shaft 5 drives the bevel gear one 6 to rotate, the bevel gear one 6 drives the bevel gear two 7 to rotate so as to drive the drill bit 2 to rotate until the drill bit 2 is coaxial with the sampling tube 1, the sampling tube 1 is extracted from the soil, and sampling is completed.
It should be noted that, when drilling a sampling channel in the soil, the diameter of the drilled sampling channel is larger than that of the sampling tube 1, so as to ensure the drill bit 2 to rotate normally.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.