CN211954753U

CN211954753U - Sampling device for rock and soil investigation

Info

Publication number: CN211954753U
Application number: CN202020379266.2U
Authority: CN
Inventors: 王太春; 张家乾; 单黎彬; 吕伟江; 刘义
Original assignee: Chongqing Dizhiyuan Geological Engineering Testing Co ltd
Current assignee: Chongqing Dizhiyuan Geological Engineering Testing Co ltd
Priority date: 2020-03-20
Filing date: 2020-03-20
Publication date: 2020-11-17
Anticipated expiration: 2030-03-20

Abstract

The utility model relates to a rock survey sampling device, which comprises a base, a sampler and a rotating handle, wherein the top of the base is provided with a first through hole which is provided with an internal thread; the sampler be hollow tubular structure and be provided with the external screw thread of first through-hole adaptation, the sampler passes through first through-hole with the base spiro union, the twist grip rigid coupling in the top of sampler, be provided with on the base and be used for striking off the scraper of sampler external screw thread inslot debris, the scraper set up in the below of first through-hole, the scraper includes handle of a knife and tool bit, the handle of a knife with pedestal connection, the pointed end of tool bit with the external screw thread groove adaptation of sampler just stretches into the external screw thread inslot of sampler. The utility model discloses have the effect that the sampler of being convenient for takes out.

Description

Sampling device for rock and soil investigation

Technical Field

The utility model belongs to the technical field of the technique of geophysical prospecting and specifically relates to a ground reconnaissance sampling device is related to.

Background

At present, rock and soil on a construction site need to be sampled before geotechnical engineering work is carried out. Sampling is the task of providing samples necessary for characterization of geotechnical characteristics and various laboratory tests. The geotechnical sampler is a tool for extracting undisturbed soil of lower layer test as a sample to know the properties of a base layer and analyzing the soil sample of a construction stratum before various engineering constructions.

The utility model discloses a ground sampling device of current chinese utility model that authorizes bulletin number is CN209727505U, it includes base and sampler, the round hole has been seted up on base upper portion, is equipped with the internal thread in the round hole, the sampler be hollow tubular structure, externally be equipped with the base on the round hole internal thread matched with external screw thread, the sampler upper end is fixed with the twist grip, the sampler comprises a plurality of sampling unit and a digger, fixed connection before the sampling unit is the fixed digger of the sampling unit lower extreme that is located the sampler lowermost.

When the rock-soil sampler is used for working, the length of the sampler can be assembled according to the sampling depth, the sampler is inserted into soil through the rotation of the threads during sampling, and the sampler is reversely taken out, so that labor is saved.

The above prior art solutions have the following drawbacks: when the sampler is taken out, sundries such as earth can be carried out in the external thread groove of the sampler, the sampler is in threaded connection with the base, the sundries such as earth fill the gap between the sampler and the base, the friction resistance is increased, and the sampler is taken out by workers difficultly.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a ground reconnaissance sampling device, it has the effect that the sampler of being convenient for takes out.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: a geotechnical investigation sampling device comprises a base, a sampler and a rotating handle, wherein a first through hole is formed in the top of the base and is provided with internal threads; the sampler be hollow tubular structure and be provided with the external screw thread of first through-hole adaptation, the sampler passes through first through-hole with the base spiro union, the twist grip rigid coupling in the top of sampler, be provided with on the base and be used for striking off the scraper of sampler external screw thread inslot debris, the scraper set up in the below of first through-hole, the scraper includes handle of a knife and tool bit, the handle of a knife with pedestal connection, the pointed end of tool bit with the external screw thread groove adaptation of sampler just stretches into the external screw thread inslot of sampler.

Through adopting above-mentioned technical scheme, the sampler is preceeded downwards and is taken a sample, and the sample is accomplished back rotation in opposite direction and is promoted, and the tool bit pointed end of scraper and the external screw thread groove shape and the size adaptation of sampler act on in the external screw thread groove in the rotatory in-process of sampler, strike off debris such as ground in the groove to make things convenient for staff's twist grip to take out the sampler. Therefore, compare prior art, this technical scheme has the characteristics that the sampler of being convenient for takes out.

The present invention may be further configured in a preferred embodiment as: the base is provided with a driving assembly used for elastically extruding the scraper to move towards the direction close to the sampler.

By adopting the technical scheme, the driving assembly acts on the scraper and aligns with elastic extrusion, so that the tool bit can effectively penetrate into the external thread groove of the sampler, and when the rock soil is dry, the tool bit can pull the rock soil down by slightly pulling the rock soil; when the ground is comparatively moist, drive assembly orders about the scraper and inserts the external thread groove depths, is of value to the ground clean up with the humidity, and on the same order, if the ground contains the more scraper of granule under drive assembly's elasticity extrusion, inserts the ground inside and strikes off.

The present invention may be further configured in a preferred embodiment as: the driving assembly comprises a protective shell, a fixed plate and a spring; the protective housing corresponds the handle of a knife rigid coupling in on the base, the handle of a knife penetrates in the protective housing, the fixed plate set up in the protective housing and with the perpendicular rigid coupling of handle of a knife, the spring housing is located the fixed plate is kept away from sampler one side on the handle of a knife and elastic support in the protective housing.

Through adopting above-mentioned technical scheme, the protective housing provides external protection for other structures of drive assembly, prevents that ground from leading to the fact the influence to drive assembly inner structure, and fixed plate and handle of a knife rigid coupling, spring drive fixed plate remove to make the effective butt of tool bit in the external screw thread groove of sampler.

The present invention may be further configured in a preferred embodiment as: the driving assembly is provided with an adjusting assembly used for adjusting the length of the compression section of the spring in a matching manner, and the adjusting assembly acts on one end, far away from the fixed plate, of the spring.

Through adopting above-mentioned technical scheme, use the compression interval length of adjusting part accent spring to increase the spring and to the butt force of fixed plate, and then make the inseparabler external screw thread inslot wall contact with the sampler of tool bit, make the effect of scraping off of ground better.

The present invention may be further configured in a preferred embodiment as: the protective housing rigid coupling in on the inner wall of base, correspond on the base lateral wall the spring is provided with the second through-hole, the second through-hole is provided with the internal thread, adjusting part includes top push knob and fly leaf, the top push knob includes portion of gripping and connecting portion, connecting portion be provided with the external screw thread of the internal thread adaptation of second through-hole, the fly leaf is worn to locate on the handle of a knife and is located the spring is kept away from the one end of fixed plate, connecting portion with second through-hole spiro union and with the fly leaf contact.

Through adopting above-mentioned technical scheme, the staff revolves the portion of gripping soon, makes connecting portion top push the fly leaf to the direction removal that is close to the fixed plate, can reduce the compression interval length of spring, staff easy operation, top push subassembly convenient to use.

The present invention may be further configured in a preferred embodiment as: the knife handle is detachably and fixedly connected with the knife head.

Through adopting above-mentioned technical scheme, the tool bit that can be convenient is changed.

The present invention may be further configured in a preferred embodiment as: the sampler includes a plurality of sampling units and entry driving ware, and is a plurality of the rigid coupling can be dismantled to the sampling unit, the entry driving ware can be dismantled the rigid coupling in lowermost end the lower extreme of sampling unit.

By adopting the technical scheme, a plurality of sampling units can be assembled according to the depth required to be detected, so that the sampler can reach the required length.

The present invention may be further configured in a preferred embodiment as: the digging device is of a hollow structure, the upper part of the digging device is cylindrical, and the lower part of the digging device is in an inverted circular truncated cone shape.

Through adopting above-mentioned technical scheme, be of value to reducing the resistance of precession in-process ground to the sampler downwards, make the staff more laborsaving.

To sum up, the utility model discloses a following at least one useful technological effect:

1. compared with the prior art, the technical scheme has the characteristic of facilitating the taking out of the sampler by arranging the scraper;

2. by arranging the driving assembly, the driving assembly acts on the scraper and aligns with elastic extrusion, so that the tool bit can effectively penetrate into the external thread groove of the sampler, and when the rock soil is dry, the tool bit can pull the rock soil down by slightly pulling the rock soil; when the rock soil is wet, the driving assembly drives the scraper to be inserted into the deep part of the external thread groove, so that the wet rock soil is cleaned, and similarly, if the rock soil contains more scrapers with particles, the scrapers are inserted into the rock soil to be scraped under the elastic extrusion action of the driving assembly;

3. through setting up adjusting part, use adjusting part to transfer the interval length of compression of spring down to increase the spring and to the butt force of fixed plate, and then make the inseparabler external screw thread inslot wall contact with the sampler of tool bit, make the effect of scraping off of ground better.

Drawings

Fig. 1 is a front view of a rock survey sampling device according to the present invention;

fig. 2 is the utility model provides a ground reconnaissance sampling device's cross-sectional view.

In the figure, 1, a base; 10. a first through hole; 11. a second through hole; 2. a sampler; 20. a sampling unit; 21. a digging device; 3. rotating the handle; 4. a scraper; 40. a knife handle; 41. a cutter head; 5. a drive assembly; 50. a protective shell; 51. a fixing plate; 52. a spring; 6. an adjustment assembly; 60. a pushing knob; 600. a grip portion; 601. a connecting portion; 61. a movable plate.

Detailed Description

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

Referring to fig. 1 and 2, in order to disclose the utility model, the rock survey sampling device comprises a base 1, a sampler 2, a rotating handle 3, a scraper 4, a driving component 5 and an adjusting component 6; the base 1 is of a plate-shaped structure, the middle part of the base protrudes upwards, a first through hole 10 is formed in the center of the top of the base 1, and internal threads are formed in the first through hole 10; the sampler 2 is a hollow tubular structure, the sampler 2 is provided with an external thread matched with the internal thread of the first through hole 10 and is in threaded connection with the base 1 through the first through hole 10, and the sampler 2 comprises a sampling unit 20 and a digger 21; a plurality of sampling units 20 are provided, and the plurality of sampling units 20 are screwed and fixed with each other; the digger 21 is screwed at the lower end of the sampling unit 20 at the lowest end, the end part of the digger 21 is in an inverted circular truncated cone shape, and the sampler 21 and the plurality of sampling units 20 are internally provided with channels for storing rock soil samples; the scraper 4 is horizontally arranged below the first through hole 10, the scraper 4 comprises a cutter handle 40 and a cutter head 41, and the cutter handle 40 is fixedly screwed with the cutter head 41; the knife handle 40 is of a rod-shaped structure, a second through hole 11 for the knife handle 40 to pass through is formed in the vertical side wall of the base 1, and one end, far away from the sampler 2, of the knife handle 40 penetrates through the second through hole 11; the cutter head 41 is in a cone structure, the shape and the size of the tip end of the cutter head 41 are matched with those of the external thread groove of the sampler 2, and the cutter head 41 extends into the external thread groove of the sampler 2 to scrape impurities such as rock soil and the like in the external thread groove.

The driving assembly 5 is arranged on the vertical inner wall of the base 1 corresponding to the scraper 4, and the driving assembly 5 comprises a protective shell 50, a fixed plate 51 and a spring 52; the protective shell 50 is a hollow cuboid structure with one open end, the open end of the protective shell 50 is fixedly connected with the inner wall of the base 1, and the knife handle 40 penetrates through the protective shell 50; the fixing plate 51 is a rectangular plate, and the fixing plate 51 is arranged in the protective shell 50 and is vertically and fixedly connected with the knife handle 40; the spring 52 is arranged in the protective shell 50 and sleeved on the knife handle 40; the adjusting assembly 6 comprises a pushing knob 60 and a movable plate 61, the pushing knob 60 comprises a holding part 600 and a connecting part 601, the holding part 600 is arranged on the outer side of the vertical side wall of the base 1, the holding part 600 is of a round cake-shaped structure, anti-skid lines are arranged on the periphery of the holding part 600, the connecting part 601 is of a cylindrical structure, external threads are arranged on the periphery of the connecting part 601, internal threads matched with the external threads on the connecting part 601 are arranged in the second through hole 11, the connecting part 601 is in threaded connection with the second through hole 11, and a channel for the knife handle 40 to pass through is arranged on the pushing knob 60 along the axial direction of the pushing knob; the movable plate 61 is a rectangular plate, the movable plate 61 vertically penetrates through the holder 40, the movable plate 61 is slidably connected with the holder 40, one end of the spring 52 is in contact with the movable plate 61, the other end of the spring is in contact with the fixed plate 51, and the spring 52 drives the fixed plate 51 to move towards the side close to the sampler 2.

The implementation principle of the embodiment is as follows: before sampling, a worker assembles and splices a plurality of sampling units 20 according to the sampling depth required so that the overall length of the sampler 2 meets the requirement of the sampling depth; after the preparation work is finished, a worker places the geotechnical investigation sampling device on the ground to be sampled, treads horizontal end parts on two sides of the base 1 by double feet or presses the horizontal end parts by heavy objects to enable the device to be stable and fixed, keeps the sampler 2 in a vertical state, then holds the rotating handle 3 to start rotating, enables the sampler 2 to precess towards the underground, and enables the underground geotechnical to enter a hollow channel of the sampler 2 in the process; after sampling is finished, a worker rotates the rotating handle 3 in the opposite direction, so that the sampler 2 integrally moves upwards to take out rock-soil samples, impurities such as rock-soil can be carried out in the external thread groove of the sampler 2 in the rotating process of the sampler 2, the tip end of the tool bit 41 extends into the external thread groove, the rock-soil is scraped by the tool bit 41 after contacting the tool bit 41, and if the rock-soil is dry, the tool bit 41 can be peeled off by touching the rock-soil; if the rock soil is wet, the cutter head 41 can be pressed into the thread groove as much as possible under the elastic extrusion of the spring 52 to scrape the rock soil in the thread groove; if the content of rock and soil particles is large, a worker can screw the holding part 600 of the pushing knob 60 to enable the connecting part 601 to push the movable plate 61 to move towards the direction close to the fixed plate 51 so as to reduce the compression movable space of the spring 52 and further increase the elastic extrusion force of the spring 52 on the scraper 4, so that the tip of the cutter head 41 is more firmly and tightly contacted with the groove wall of the thread groove to scrape the rock and soil and other impurities; make more convenient of staff at last promote sampler 2 rotation, effectively solved the rock and soil influence sampler 2 in the 2 thread grooves of rock and soil sampler and promoted problem.

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. A geotechnical investigation sampling device comprises a base (1), a sampler (2) and a rotating handle (3), wherein a first through hole (10) is formed in the top of the base (1), and internal threads are formed in the first through hole (10); sampler (2) for cavity tubular structure and be provided with the external screw thread of first through-hole (10) adaptation, sampler (2) pass through first through-hole (10) with base (1) spiro union, twist grip (3) rigid coupling in the top of sampler (2), its characterized in that: be provided with on base (1) and be used for scraping scraper (4) of sampler (2) external thread inslot debris, scraper (4) set up in the below of first through-hole (10), scraper (4) include handle of a knife (40) and tool bit (41), handle of a knife (40) with base (1) is connected, the pointed end of tool bit (41) with the external thread groove adaptation of sampler (2) just stretches into the external thread inslot of sampler (2).

2. The geotechnical investigation sampling device of claim 1, wherein: the base (1) is provided with a driving component (5) which is used for elastically extruding the scraper (4) to move towards the direction close to the sampler (2).

3. The geotechnical investigation sampling device of claim 2, wherein: the driving assembly (5) comprises a protective shell (50), a fixed plate (51) and a spring (52); the protective shell (50) corresponds to the knife handle (40) and is fixedly connected to the base (1), the knife handle (40) penetrates into the protective shell (50), the fixing plate (51) is arranged in the protective shell (50) and is fixedly connected with the knife handle (40) vertically, and the fixing plate (51) is far away from one side of the sampler (2) and is elastically supported in the protective shell (50) through the spring (52) in a sleeved mode.

4. The geotechnical investigation sampling device of claim 3, wherein: the driving assembly (5) is provided with an adjusting assembly (6) used for adjusting the length of a compression section of the spring (52) in a matching mode, and the adjusting assembly (6) acts on one end, far away from the fixed plate (51), of the spring (52).

5. The geotechnical investigation sampling device of claim 4, wherein: protective housing (50) rigid coupling in on the inner wall of base (1), correspond on base (1) lateral wall spring (52) are provided with second through-hole (11), second through-hole (11) are provided with the internal thread, adjusting part (6) are including pushing away knob (60) and fly leaf (61), push away knob (60) including portion of gripping (600) and connecting portion (601), connecting portion (601) be provided with the external screw thread of the internal thread adaptation of second through-hole (11), fly leaf (61) are worn to locate on handle of a knife (40) and are located spring (52) is kept away from the one end of fixed plate (51), connecting portion (601) with second through-hole (11) spiro union and with fly leaf (61) contact.

6. The geotechnical investigation sampling device of claim 1, wherein: the knife handle (40) is detachably and fixedly connected with the knife head (41).

7. The geotechnical investigation sampling device of claim 1, wherein: the sampler (2) comprises a plurality of sampling units (20) and a tunneling device (21), the sampling units (20) are detachably and fixedly connected, and the tunneling device (21) is detachably and fixedly connected to the lower end of the sampling unit (20) at the lowest end.

8. The geotechnical investigation sampling device of claim 7, wherein: the digging device (21) is of a hollow structure, and the digging device (21) is of an inverted circular truncated cone shape.