CN211855929U - Sampling core head structure for sampling device of geotechnical investigation engineering - Google Patents
Sampling core head structure for sampling device of geotechnical investigation engineering Download PDFInfo
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- CN211855929U CN211855929U CN202020397692.9U CN202020397692U CN211855929U CN 211855929 U CN211855929 U CN 211855929U CN 202020397692 U CN202020397692 U CN 202020397692U CN 211855929 U CN211855929 U CN 211855929U
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Abstract
The utility model provides a sampling core head structure for a sampling device of geotechnical investigation engineering, which comprises a main body; the outer side of the bottom of the main body is annularly arranged, fixedly and symmetrically provided with four positioning sliding chutes; four rock-soil collecting grooves are symmetrically arranged in the grooves on the outer side of the bottom of the main body in an annular arrangement mode. The setting of ground collecting vat, be favorable to taking out the convenience of ground, when falling to the depth of detection, will rotate the screw rod reversal, at this moment the main part can the rebound, and sleeve and drill point can be because the frictional force of outside ring temporarily does not upwards remove, the ground collecting vat just can spill like this, thereby make the ground of this degree of depth get into the inboard holding up tank in ground collecting vat bottom through the opening of ground collecting vat top one side, then continue the rebound and pull out, it can easily pour out the ground sample to pull out the back and directly withhold the fender board at ground collecting vat top with the finger after upwards promoting, it is more convenient when taking out the ground sample, the ground just is difficult for remaining in the inboard just.
Description
Technical Field
The utility model belongs to the technical field of the drilling equipment, more specifically say, in particular to a sample core structure for geotechnical investigation engineering sampling device.
Background
The drilling equipment is a mechanical device and equipment used for drilling construction under the specific working condition, and mainly comprises a drilling machine, a slurry pump, slurry purification equipment, a slurry stirrer, a drilling tower and the like; engineering drilling equipment is generally classified into engineering geological drilling equipment, hydrographic water well drilling equipment, engineering construction drilling equipment, core drilling equipment and sampling drilling equipment according to purposes, and the most important in sampling is a core head deep into the ground, namely a drill bit.
For example, patent application No. 201920108556.0, discloses a sampling drill bit comprising a drill bit apparatus; the key point of the technical scheme is that the drill comprises a drill handle, a drill body and a drill tip, wherein the drill body is cylindrical, and the circumferential surface of the drill body is fixedly connected with a spiral cutting board; a sampling hopper is arranged on the surface of the drill body close to the drill tip, and the sampling hopper is displaced on the surface of the drill body between the spiral knife boards; the drill body is provided with a holding tank for holding the sampling hopper, and the lower end of the sampling hopper is rotationally connected with the side wall of the holding tank; the surface of the sampling hopper far away from the drill body is fixedly connected with a protruding stress block; the utility model provides a probing sample needs the repeated drilling sample, influences work efficiency's problem, has reached quick sample and has guaranteed the sample quality, and the effect to the soil injury is reduced to the unrepeated drilling.
Based on the above search, the above patent is combined with most rock sampling drill bits in the prior art, and the following problems exist when the rock sampling drill bits are used: the ground sample groove of present ground sample drill bit all fixes at the drill bit inboard, because fixed so be difficult to outwards empty when taking out the ground sample in the drill bit, takes out inconveniently, has remained easily, and some sample grooves are opened always moreover, just probably get into the ground at the in-process that falls, get the ground of wrong degree of depth and influence the testing result.
Therefore, in view of the above, research and improvement are made on the existing structure and defects, and a sampling core structure for a sampling device of geotechnical investigation engineering is provided, so as to achieve the purpose of higher practical value.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a sample core structure for ground reconnaissance engineering sampling device to the ground sample groove of solving present ground sample drill bit all fixes at the drill bit inboardly, so be difficult to outwards empty because fixed when taking out the ground sample in the drill bit, it is inconvenient to take out, there is remaining easily, and some sample grooves are opened always, just probably get into the ground at the in-process that descends, the ground of getting the wrong degree of depth influences the problem of testing result.
The utility model is used for purpose and efficiency of geotechnical investigation engineering sampling device's sample core structure are reached by following concrete technological means:
a sampling core structure for a sampling device of geotechnical investigation engineering comprises a main body; a sleeve is movably arranged on the outer side of the bottom of the main body; the bottom of the sleeve is fixedly connected with a drill point through integral forming; the outer side of the bottom of the main body is annularly arranged, fixedly and symmetrically provided with four positioning sliding chutes; four rock-soil collecting grooves are symmetrically arranged in the grooves on the outer side of the bottom of the main body in an annular arrangement mode.
Furthermore, a cylindrical groove is formed in the middle of the sleeve, the main body is divided into an upper section and a lower section, the diameter of the outer portion of the sleeve is the same as that of the upper portion of the main body, the diameter of a circular groove in the sleeve is the same as that of the lower portion of the main body, and the lower portion of the main body is movably embedded into the circular groove in the inner side of the sleeve.
Furthermore, the inner side of the top of the sleeve is fixedly and symmetrically provided with four semicircular convex blocks in total through annular arrangement, the four semicircular convex blocks are just embedded into the four positioning sliding grooves and can slide up and down on the inner side of the four positioning sliding grooves, and the bottoms of the positioning sliding grooves are of a closed structure.
Further, the bottom outside of main part is the symmetry altogether and is provided with four arc walls that match with the ground collecting vat, and when the sleeve fell to minimumly, the height that this arc wall leaked can be than the high 1cm of ground collecting vat.
Furthermore, the top and one side of the top of the rock-soil collecting tank are provided with openings, the top is also provided with a section of baffle plate, the bottom is a storage tank which is sealed all around, and the outer side of the sleeve is also provided with two circular rings which protrude outwards.
Compared with the prior art, the utility model discloses following beneficial effect has:
the setting of ground collecting vat, be favorable to taking out the convenience of ground, when falling to the depth of detection, will rotate the screw rod reversal, at this moment the main part can the rebound, and sleeve and drill point can be because the frictional force of outside ring temporarily does not upwards remove, the ground collecting vat just can spill like this, thereby make the ground of this degree of depth get into the inboard holding up tank in ground collecting vat bottom through the opening of ground collecting vat top one side, then continue the rebound and pull out, it can easily pour out the ground sample to pull out the back and directly withhold the fender board at ground collecting vat top with the finger after upwards promoting, it is more convenient when taking out the ground sample, the ground just is difficult for remaining in the inboard just.
Telescopic setting, be favorable to improving the accuracy of testing result, it is minimum to pull down sleeve and drill point before the sample, then place four ground collecting grooves in four arcs in the main part bottom outside and promote downwards, then can promote this device embedding ground in the rotation through rotatory screw rod, sleeve and drill point can seal the ground collecting groove in the inboard along location spout rebound when contacting ground, and it is inboard that the ground on upper strata just can not get into the ground collecting groove like this, avoids influencing the testing result.
Drawings
Fig. 1 is a schematic view of the bent axis side structure of the present invention after being unfolded.
Fig. 2 is a schematic view of the bottom side structure of the present invention after expansion.
Fig. 3 is a schematic view of the bent shaft side structure after the utility model is folded.
Fig. 4 is a schematic view of the disassembled bent shaft side structure of the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a main body; 2. a sleeve; 3. drilling a tip; 4. positioning the chute; 5. rock soil collecting tank.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 4:
the utility model provides a sampling core head structure for a sampling device of geotechnical investigation engineering, which comprises a main body 1; a sleeve 2 is movably arranged at the outer side of the bottom of the main body 1; the inner side of the top of the sleeve 2 is fixedly and symmetrically provided with four semicircular convex blocks in total through annular arrangement, the four semicircular convex blocks are just embedded into the four positioning sliding grooves 4 and can slide up and down on the inner sides of the four positioning sliding grooves, and the bottoms of the positioning sliding grooves 4 are of a closed structure, so that the sleeve 2 and the drill tip 3 can slide up and down on the bottom of the main body 1 and cannot fall off up and down; the outer side of the bottom of the main body 1 is symmetrically provided with four arc-shaped grooves matched with the rock-soil collecting groove 5, when the sleeve 2 falls to the lowest position, the height of the arc-shaped grooves is 1cm higher than the height of the rock-soil collecting groove 5, and when the rock-soil collecting groove 5 is taken out and placed, the rock-soil collecting groove 5 can be directly taken out and placed from the opening, so that the rock-soil collecting groove 5 can be conveniently placed and taken out; the bottom of the sleeve 2 is fixedly connected with a drill point 3 through integral forming; the outer side of the bottom of the main body 1 is fixedly and symmetrically provided with four positioning chutes 4 in a circular arrangement; four rock and soil collecting grooves 5 are symmetrically arranged in the grooves on the outer side of the bottom of the main body 1 in an annular arrangement mode.
Wherein, sleeve 2's centre is a cylindrical groove, main part 1 divide into two sections from top to bottom, and sleeve 2's outside diameter is the same with main part 1's top partial diameter, the diameter of 2 inside circular slots of sleeve is the same with the diameter of 1 below part of main part, 1 below activity of main part imbeds in the 2 inboard circular slots of sleeve, sleeve 2 and drill point 3 can seal ground collecting vat 5 along 4 rebound of location spout in the inboard when contacting ground of this device, the ground on upper strata just can not get into ground collecting vat 5 inboardly like this, avoid influencing the testing result.
Wherein, top and top one side of ground collecting vat 5 set up the opening, and the top still is provided with one section plate washer, the bottom is a confined hold up tank all around, the outside of sleeve 2 still is provided with two outside bellied rings, when falling to the detection depth, with the rotation screw rod reversal, at this moment main part 1 can the rebound, and sleeve 2 and drill point 3 can be because the frictional force of outside ring temporarily do not upwards remove, ground collecting vat 5 just can spill like this, thereby make the ground of this degree of depth get into the inboard hold up tank in ground collecting vat 5 bottom through the opening of ground collecting vat 5 top one side, then continue the rebound and pull out, directly push up the back plate washer at ground collecting vat 5 top with the finger after pulling out and take out and can easily pour the ground sample, it is more convenient when taking out the ground sample, the ground is just also difficult for remaining in the inboard.
The specific use mode and function of the embodiment are as follows:
the utility model discloses in, earlier when using this device the bottom of this device fixed welding at the rotatory screw rod of sample, it is minimum to pull down sleeve 2 and drill point 3 before the sample, then place four ground collecting vat 5 in four arcs in the main part 1 bottom outside and promote downwards, then can promote this device embedding ground in rotatory through rotatory screw rod, sleeve 2 and drill point 3 can seal ground collecting vat 5 along location spout 4 rebound when contacting ground in the inboard, the ground on upper strata just can not get into ground collecting vat 5 inboardly like this, avoid influencing the testing result, when falling the depth of detection, with the reversal of rotatory screw rod, at this moment main part 1 can the rebound, and sleeve 2 and drill point 3 can be because the frictional force of outside ring is upwards not removed temporarily, ground collecting vat 5 just can spill the ground like this, thereby make the ground of this degree of depth get into in the inboard storage tank in collecting vat 5 bottom through the opening of collecting vat 5 top one side, the ground And then continue the rebound and pull out, directly push up the fender at ground collecting vat 5 top with the finger after pulling out and take out and can easily pour the ground sample out after upwards promoting, it is more convenient when taking out the ground sample, the ground just is difficult for remaining in the inboard just.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in 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 best 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 various embodiments with various modifications as are suited to the particular use contemplated.
Claims (5)
1. The utility model provides a sample core structure for geotechnical investigation engineering sampling device which characterized in that: comprises a main body (1); a sleeve (2) is movably arranged on the outer side of the bottom of the main body (1); the bottom of the sleeve (2) is fixedly connected with a drill point (3) through integral forming; the outer side of the bottom of the main body (1) is annularly arranged, fixedly and symmetrically provided with four positioning sliding chutes (4); four rock-soil collecting grooves (5) are symmetrically arranged in the grooves on the outer side of the bottom of the main body (1) in an annular arrangement mode.
2. The sampling core structure for a geotechnical investigation engineering sampling device of claim 1, wherein: the middle of the sleeve (2) is a cylindrical groove, the main body (1) is divided into an upper section and a lower section, the diameter of the outer part of the sleeve (2) is the same as that of the upper part of the main body (1), the diameter of the inner circular groove of the sleeve (2) is the same as that of the lower part of the main body (1), and the lower part of the main body (1) is movably embedded into the circular groove on the inner side of the sleeve (2).
3. The sampling core structure for a geotechnical investigation engineering sampling device of claim 1, wherein: the inner side of the top of the sleeve (2) is fixedly and symmetrically provided with four semicircular convex blocks in total through annular arrangement, the four semicircular convex blocks are just embedded into the four positioning sliding grooves (4) and can slide up and down on the inner side of the four positioning sliding grooves, and the bottoms of the positioning sliding grooves (4) are of a closed structure.
4. The sampling core structure for a geotechnical investigation engineering sampling device of claim 1, wherein: the bottom outside of main part (1) is the symmetry altogether and is provided with four arc walls that match with ground collecting vat (5), and when sleeve (2) fell to the minimum, the height that this arc wall leaked can be than the high 1cm of ground collecting vat (5).
5. The sampling core structure for a geotechnical investigation engineering sampling device of claim 1, wherein: the top and one side of the top of the rock and soil collecting tank (5) are provided with openings, the top is also provided with a section of baffle plate, the bottom is a storage tank which is sealed at the periphery, and the outer side of the sleeve (2) is also provided with two circular rings which protrude outwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020397692.9U CN211855929U (en) | 2020-03-25 | 2020-03-25 | Sampling core head structure for sampling device of geotechnical investigation engineering |
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| CN202020397692.9U CN211855929U (en) | 2020-03-25 | 2020-03-25 | Sampling core head structure for sampling device of geotechnical investigation engineering |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112412446A (en) * | 2020-11-20 | 2021-02-26 | 王兆举 | Portable drilling device for geotechnical engineering investigation |
| CN117168912A (en) * | 2023-11-01 | 2023-12-05 | 四川交通职业技术学院 | Drilling sampling device and method for tunnel investigation |
-
2020
- 2020-03-25 CN CN202020397692.9U patent/CN211855929U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112412446A (en) * | 2020-11-20 | 2021-02-26 | 王兆举 | Portable drilling device for geotechnical engineering investigation |
| CN117168912A (en) * | 2023-11-01 | 2023-12-05 | 四川交通职业技术学院 | Drilling sampling device and method for tunnel investigation |
| CN117168912B (en) * | 2023-11-01 | 2024-01-16 | 四川交通职业技术学院 | Drilling sampling device and method for tunnel investigation |
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