CN210293750U

CN210293750U - Soil sampler

Info

Publication number: CN210293750U
Application number: CN201920726202.2U
Authority: CN
Inventors: 汪雷; 龚赞
Original assignee: Wuhan Zhongli Geotechnical Engineering Co ltd
Current assignee: Wuhan Zhongli Geotechnical Engineering Co ltd
Priority date: 2019-05-20
Filing date: 2019-05-20
Publication date: 2020-04-10
Anticipated expiration: 2029-05-20

Abstract

The utility model relates to a technical field that the ground detected, a geotome, including the drill barrel of bottom open-ended, slide in the drill barrel and be provided with bottom open-ended sampler barrel, the sampler barrel pastes with the drill barrel and leans on the setting, is provided with the spacing subassembly of restriction sampler barrel and drill barrel relative pivoted on the sampler barrel and the drill barrel, and a plurality of viewing apertures have been seted up along its axial in sampler barrel week side, are provided with the drive on the drill barrel and bore a section of thick bamboo pivoted and bore native motor. The utility model discloses a sampler barrel has reduced the clod and has scattered and influence the possibility of surveing to the support of clod.

Description

Soil sampler

Technical Field

The utility model belongs to the technical field of the technique that the ground detected and specifically relates to a geotome is related to.

Background

The soil sampler is used for lifting undisturbed soil of lower-layer test soil as a structure of a sample to observe a soil layer, the cutting ring of the soil sampler is drilled into the soil to a required depth and then the soil sampler is pulled out, then the cutting ring and the semi-cylinder are detached, and a scraper is used for scraping and leveling redundant soil at two ends of the soil sampler.

Patent publication No. is CN 208443594U's patent discloses a water conservancy and hydroelectric engineering ground geotechnical test detects geotome, including the motor case, the equal fixedly connected with slide bar in both sides of motor bottom of the case portion to fixedly connected with fixed plate between the bottom of two slide bars, the top fixedly connected with motor of motor incasement chamber, the output shaft of motor runs through the motor case and extends to the bottom of motor case, and the motor output shaft extends to the one end fixedly connected with threaded rod of motor bottom of the case portion, inserts the bottom sample through the effect of motor and threaded rod with the sampling tube to reduce the manpower.

Above-mentioned technical scheme has following defect, when taking out sample soil from a sampling section of thick bamboo, needs the testing personnel to extrude the soil sample in the sampling section of thick bamboo with hand or instrument usually, but causes sample soil to scatter like this, makes the soil sample be difficult to reflect real soil layer structure, reduces the exploration degree of accuracy to soil layer structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a geotome, its integrality that can keep taking out the clod makes things convenient for the measurement personnel to observe original soil layer structure.

The utility model discloses a can realize through following technical scheme:

the utility model provides a geotome, includes the bottom open-ended and bores a section of thick bamboo, it is provided with bottom open-ended sampler barrel to slide in the section of thick bamboo to bore, the sampler barrel with bore a section of thick bamboo and paste and lean on the setting, the sampler barrel with bore the last restriction that is provided with of a section of thick bamboo the sampler barrel with bore the spacing subassembly of a relative pivoted, a plurality of viewing apertures have been seted up along its axial in sampler barrel week side, be provided with the drive on the section of thick bamboo bore a section of thick bamboo pivoted and bore native motor.

By adopting the technical scheme, when soil sampling detection is carried out, the drilling barrel is vertically aligned to the ground, the drilling motor is started to drive the drilling barrel to rotate, the limiting component keeps the sampling barrel and the drilling barrel to rotate simultaneously, and the drilling barrel is manually pressed down while rotating, so that the drilling barrel is driven into the ground, and the sampling barrel is filled with soil; when observing the soil layer structure, earlier with the sampler barrel roll-off bore a section of thick bamboo, because the section of thick bamboo wall of sampler barrel plays the supporting role to the clod, the clod is difficult for scattering to can keep original soil layer structure, the testing personnel observes the clod of taking out through the viewing aperture, thereby can keep the integrality of clod.

Further set up as, spacing subassembly includes hollow shaft and control lever, the hollow shaft with the coaxial fixed connection of drill collar, bore the output shaft of native motor with the coaxial fixed connection of hollow shaft, the control lever is "L" shape, control lever one side is located in the hollow shaft and perpendicular fixed connection be in the top surface of sampling tube, the another side of control lever is worn out the hollow shaft, the hollow shaft is seted up along its axial and is supplied the gliding sliding tray of control lever.

Through adopting above-mentioned technical scheme, when the bore section of thick bamboo rotates, because the lateral wall butt of control lever week side and sliding tray to this hollow shaft rotates and drives the control lever and rotate, and the control lever rotates and drives the sampler barrel and rotate, and after the sample section of thick bamboo was filled up in the sample soil, through gliding control lever with the sampler barrel roll-off bore section of thick bamboo, thereby make things convenient for the measurement personnel to observe the clod.

Further, a plurality of reset springs are arranged in the sampling cylinder, and two ends of each reset spring are fixedly connected with the top end of the sampling cylinder and the inner top wall of the drilling cylinder respectively.

Through adopting above-mentioned technical scheme, the sampling tube passes through reset spring and bores a section of thick bamboo fixedly to the sampling tube is in boring a section of thick bamboo under normal condition, has reduced the possibility that the sampling tube glides when borrowing.

The bottom end of the drilling cylinder is further provided with a plurality of saw-tooth-shaped drilling claws for cutting the ground.

Through adopting above-mentioned technical scheme, a plurality of claws form the cockscomb structure, and when boring a section of thick bamboo and rotate, a plurality of claws cut ground, make things convenient for a section of thick bamboo that bores to get into the ground end to the efficiency of borrowing has been improved.

It is further provided that the bottom end of the sampling tube does not extend beyond the bottom end of the drill cylinder when the sampling tube is slid to an extreme position near the top wall of the drill cylinder.

Through adopting above-mentioned technical scheme, the bottom height of sampler barrel is higher than or is equal to the bottom height of boring a section of thick bamboo and has guaranteed that the sampler barrel can be accomodate in boring a section of thick bamboo completely, when boring a section of thick bamboo and boring and digging ground, reduces the condition that the sampler barrel touched ground earlier and damaged the sampler barrel.

The periphery of the drill cylinder is recessed inwards to form a plurality of pneumatic grooves with the length direction consistent with the axial direction of the drill cylinder.

Through adopting above-mentioned technical scheme, during the operation of fetching earth, because the existence of atmospheric pressure groove, the soil in the atmospheric pressure groove becomes loose because of the rotation to when taking out the drill barrel, the atmospheric pressure groove keeps balance with outside atmospheric pressure and the hole internal gas pressure of fetching earth, makes things convenient for the more light drill barrel of taking out of testing personnel ability, thereby when taking out the drill barrel, is difficult for because exert oneself too big and damage the interior clod of sample barrel.

Further set up as, be provided with the subassembly of fetching earth that is used for taking out soil in the sampling tube, the subassembly of fetching earth is including the board of fetching earth and the strip of fetching earth, the board of fetching earth slides and sets up in the sampling tube, the week side of the board of fetching earth with the inner wall of sampling tube pastes and leans on, the strip length direction of fetching earth with the sampling tube axial is unanimous, the strip of fetching earth upper end with the board of fetching earth is fixed just the strip of fetching earth with the inner wall of sampling tube is hugged closely, works as the board of fetching earth with during roof butt in the sampling tube, it surpasss to get the spline lower extreme the sampling tube bottom.

Through adopting above-mentioned technical scheme, after the record was observed to the soil layer structure in the sampler barrel to the testing personnel, through pulling the strip that fetches earth and move the board roll-off sampler barrel that fetches earth, when fetching earth board roll-off sampler barrel, the soil that drives in the sampler barrel comes out from the sampler barrel to make things convenient for testing personnel to take out the clod and carry out further detection to the soil that takes out.

The bottom end of the sampling strip is fixedly connected with a turning edge, the upper side of the turning edge is abutted to the bottom end of the drill cylinder, and the turning edge is located between the adjacent drill claws.

Through adopting above-mentioned technical scheme, get the native strip through turning over hem and bore a section of thick bamboo bottom butt to this bores a section of thick bamboo when boring down, gets the native strip and is difficult because direct contact ground and damage.

To sum up, the utility model discloses a beneficial technological effect does:

1. when soil sampling is detected, the drilling motor drives the drilling barrel to rotate, then the drilling barrel is pressed downwards, so that a sampling barrel in the drilling barrel is filled with soil, when soil blocks in the sampling barrel are observed, the sampling barrel slides out of the drilling barrel, the soil blocks are supported by the side wall of the sampling barrel at the moment to keep the original soil layer structure of the soil blocks, a detector observes the soil layer structure of the soil blocks through an observation port in the observation sampling barrel, the soil layer structure is not easy to damage, and therefore smooth detection is guaranteed;

2. during sampling, the sampling cylinder is fixed inside the drilling cylinder by the reset spring, so that the sliding condition of the sampling cylinder relative to the drilling cylinder during sampling is reduced, and after sampling is finished, the sampling cylinder is pushed out by the sliding control rod, so that a tester can conveniently observe soil blocks in the sampling cylinder;

3. the air pressure groove is formed by the inner concave of the peripheral side of the drill cylinder, and when soil is taken out, the air pressure groove can keep the external air pressure consistent with the air pressure at the bottom end of the drill cylinder, so that a tester can conveniently and easily draw the drill cylinder out of the ground.

Drawings

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

fig. 2 is a schematic view of the vertical cutting structure of the present invention.

In the figure, 1, a drill cylinder; 2. a sampling tube; 3. a viewing port; 4. a soil drilling motor; 5. a hollow shaft; 6. a control lever; 7. a sliding groove; 8. a return spring; 9. drilling a claw; 10. a handle; 11. an air pressure tank; 12. taking a soil plate; 13. taking soil strips; 14. and (6) folding edges.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a geotome, including bottom open-ended bore a section of thick bamboo 1, the edge of boring a section of thick bamboo 1 bottom is fixed with a plurality of claws 9 that bore, bores claw 9 and uses the axis of boring a section of thick bamboo 1 as central circumference evenly distributed. Slide in the drill cylinder 1 and be provided with bottom open-ended sampling tube 2, the lateral wall of sampling tube 2 pastes with the inner wall of drill cylinder 1 and leans on the butt, and when sampling tube 2 slides to pressing close to the interior roof extreme position of drill cylinder 1, the bottom of sampling tube 2 does not surpass the bottom of drill cylinder 1 to sampling tube 2 can be accomodate in drill cylinder 1 completely. A plurality of observation ports 3 are formed along the axial direction of the sampling tube 2 on the peripheral side of the sampling tube 2. The drill barrel 1 and the sampling barrel 2 are provided with limiting assemblies for limiting the sampling barrel 2 and the drill barrel 1 to rotate relatively, each limiting assembly comprises a hollow shaft 5 and an operating rod 6, the hollow shaft 5 is vertical and coaxially fixed with the upper end of the drill barrel 1, the upper end of the hollow shaft 5 is provided with a soil drilling motor 4, an output shaft of the soil drilling motor 4 is coaxially and fixedly connected with the hollow shaft 5, and two horizontal handles 10 are fixed on the soil drilling motor 4. When soil sampling detection is carried out, the hollow shaft 5 and the drilling barrel 1 are driven to rotate by the soil drilling motor 4, the sampling barrel 2 and the drilling barrel 1 are driven to rotate together by the limiting component, the ground is cut by the drilling claw 9, and the drilling barrel 1 is manually pressed down, so that soil is filled in the sampling barrel 2; when observing the clod in the sampling tube 2, earlier with sampling tube 2 roll-off drill 1, the soil layer structure of clod is observed to rethread viewing aperture 3, and the lateral wall of sampling tube 2 supports the clod, has reduced the clod and has scattered and lose the possibility of original soil layer structure to make things convenient for the measurement personnel to observe.

The control rod 6 is L-shaped, one side of the control rod 6 is positioned in the hollow shaft 5 and penetrates through the top wall of the drill barrel 1, one end, penetrating out of the top wall of the drill barrel 1, of the control rod 6 is coaxially fixed with the sampling barrel 2, the other side of the control rod 6 penetrates out of the hollow shaft 5, a sliding groove 7 for the control rod 6 to slide is formed in the side wall of the hollow shaft 5 along the length direction of the hollow shaft 5, the peripheral side face of the control rod 6 is abutted against the side wall of the sliding groove 7, the control rod 6 is driven to rotate when the hollow shaft 5 rotates, and the sampling barrel 2 is driven to rotate by the control rod 6. Be provided with a plurality of reset spring 8 on boring a section of thick bamboo 1 and the sampling tube 2, the 8 vertical and both ends of reset spring axis respectively with the top of sampling tube 2 and the interior roof fixed connection who bores a section of thick bamboo 1. When soil is taken, the reset spring 8 limits the up-and-down sliding of the sampling cylinder 2, and the sampling cylinder 2 is always positioned in the drilling cylinder 1, so that the possibility of self damage caused by the random sliding of the sampling cylinder 2 is reduced; when observing the soil layer structure of clod in the sampler barrel 2, through gliding control lever 6, reset spring 8 is stretched and drives sampler barrel 2 gliding roll-off drill barrel 1, and testing personnel observes the record back to the clod in sampler barrel 2, and reset spring 8's elasticity drives sampler barrel 2 and gets back to in the drill barrel 1 to make things convenient for testing personnel to take out sampler barrel 2, higher efficiency is surveyed the clod.

The periphery of the drill cylinder 1 is concavely provided with a plurality of air pressure grooves 11, the cross section of each air pressure groove 11 is semicircular, and the periphery of the sampling cylinder 2 corresponding to the positions of the air pressure grooves 11 is inwards concave, so that the outer walls of the sampling grooves are tightly attached to the inner wall of the drill cylinder 1. When the drill cylinder 1 advances towards the ground bottom, the bottom wall of the air pressure groove 11 stirs the soil to loosen the soil, so that the soil in the air pressure groove 11 is in a loose state, the air pressure at the bottom of the drill cylinder 1 is kept consistent with the air pressure on the ground by the air pressure groove 11 in the process of pulling the drill cylinder 1 out of the ground, detection personnel can pull the drill cylinder 1 out of the ground conveniently, soil blocks in the sampling cylinder 2 are not easy to be damaged due to excessive force in the process of pulling the drill cylinder 1 out, and the integrity of the soil blocks in the sampling cylinder 2 is further ensured.

In order to prolong the service life of the sampling cylinder 2 and the drilling cylinder 1, the sampling cylinder 2 and the drilling cylinder 1 are both coated with antirust coatings, so that the sampling cylinder 2 and the drilling cylinder 1 are not easy to rust when contacting with soil for a long time.

Be provided with the subassembly of fetching earth that is used for taking out sample soil in the sampler barrel 2, the subassembly of fetching earth includes the board 12 and the strip 13 of fetching earth, and the board 12 of fetching earth slides and sets up in the sampler barrel 2, and the week side of the board 12 of fetching earth pastes with the inner wall of sampler barrel 2 and leans on. Soil sampling strip 13 is pasted and is leaned on the inner wall of sampler barrel 2 and length direction is unanimous with the axial direction of sampler barrel 2, and the upper end of soil sampling strip 13 is fixed on soil sampling board 12, and other end integrated into one piece has turn-over edge 14, and when sampler barrel 2 was close to the extreme position of the interior roof of boring a section of thick bamboo 1 and soil sampling board 12 and the interior roof butt of sampler barrel 2, the upside of turn-over edge 14 just was located between adjacent brill claw 9 with the bottom butt of boring a section of thick bamboo 1. After the soil layer structure of the soil block in the sampling tube 2 is observed and recorded, the soil sampling strip 13 is pulled to drive the soil sampling plate 12 to slide, so that the soil block in the sampling tube 2 is pulled out of the sampling tube 2, and the detection personnel can conveniently detect the soil block next.

The implementation principle of the embodiment is as follows: when soil sampling detection is carried out, the soil drilling motor 4 drives the drilling barrel 1 to rotate, and the sampling barrel 2 is filled with sample soil along with manual pressing of the drilling barrel 1; when the soil layer structure is observed, the lower sliding control rod 6 drives the sampling cylinder 2 to slide downwards and slide out of the drill cylinder 1, soil blocks in the sampling cylinder 2 are supported through the side wall of the sampling cylinder 2, the original soil layer structure of the soil blocks is kept, and an observer observes the soil blocks through the observation port 3, so that the possibility of scattering of the soil blocks is reduced; after the observation record is finished, the reset spring 8 drives the sampling tube 2 to slide into the drilling tube 1, so that the sampling tube 2 is protected from being damaged easily.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a soil sampler, its characterized in that, bores a section of thick bamboo (1) including bottom open-ended, it is provided with bottom open-ended sampler barrel (2) to slide in a section of thick bamboo (1), sampler barrel (2) with bore a section of thick bamboo (1) and paste and lean on the setting, sampler barrel (2) with be provided with the restriction on a section of thick bamboo (1) sample barrel (2) with bore a section of thick bamboo (1) relative pivoted spacing subassembly, a plurality of viewing aperture (3) have been seted up along its axial in sampler barrel (2) week side, be provided with the drive on a section of thick bamboo (1) bores a section of thick bamboo (1) pivoted and bores native motor (4).

2. The soil sampler according to claim 1, wherein the limiting assembly comprises a hollow shaft (5) and a control rod (6), the hollow shaft (5) is coaxially and fixedly connected with the drill barrel (1), the output shaft of the soil drilling motor (4) is coaxially and fixedly connected with the hollow shaft (5), the control rod (6) is in an L shape, one side of the control rod (6) is positioned in the hollow shaft (5) and vertically and fixedly connected with the top surface of the sampling barrel (2), the other side of the control rod (6) penetrates out of the hollow shaft (5), and the hollow shaft (5) is provided with a sliding groove (7) along the axial direction of the hollow shaft (5) for the control rod (6) to slide.

3. The soil sampler according to claim 2, wherein a plurality of return springs (8) are arranged in the sampling barrel (2), and two ends of the plurality of return springs (8) are respectively fixedly connected with the top end of the sampling barrel (2) and the inner top wall of the drill barrel (1).

4. A geotome according to claim 1 wherein the bottom end of the barrel (1) is secured to a plurality of serrated jaws (9) for cutting the ground.

5. A sampler as claimed in claim 4 wherein the bottom end of the sampling barrel (2) does not extend beyond the bottom end of the drill barrel (1) when the sampling barrel (2) is slid to an extreme position adjacent the top wall of the drill barrel (1).

6. A soil sampler according to claim 5 wherein the periphery of the barrel (1) is recessed to form a plurality of pneumatic grooves (11) having a length direction corresponding to the axial direction of the barrel (1).

7. The soil sampler according to claim 6, wherein a soil sampling assembly for taking out soil in the sampling cylinder (2) is arranged in the sampling cylinder (2), the soil sampling assembly comprises a soil sampling plate (12) and a soil sampling strip (13), the soil sampling plate (12) is arranged in the sampling cylinder (2) in a sliding manner, the circumferential side of the soil sampling plate (12) is attached to the inner wall of the sampling cylinder (2), the length direction of the soil sampling strip (13) is consistent with the axial direction of the sampling cylinder (2), the upper end of the soil sampling strip (13) is fixed with the soil sampling plate (12), the soil sampling strip (13) is attached to the inner wall of the sampling cylinder (2), and when the soil sampling plate (12) is attached to the inner wall of the sampling cylinder (2), the lower end of the soil sampling strip exceeds the bottom end of the sampling cylinder (2).

8. The soil sampler as claimed in claim 7, wherein a turned edge (14) is fixedly connected to the bottom end of the sampling strip, the upper side of the turned edge (14) is abutted against the bottom end of the drill barrel (1), and the turned edge (14) is located between the adjacent drill claws (9).