CN219935334U - Sand sampler for rock and soil investigation - Google Patents

Abstract

The utility model relates to a rock and soil reconnaissance sand remover, which relates to the technical field of reconnaissance equipment; the water injection device comprises a connecting rod, wherein an inner drill cylinder is arranged on the connecting rod, an outer drill cylinder is sleeved outside the inner drill cylinder, a water injection cavity is formed between the inner drill cylinder and the outer drill cylinder, a water injection hole communicated with the water injection cavity is formed in the top of the outer drill cylinder in a penetrating manner, and the water injection hole is used for water flow injection; the end parts of the outer drill cylinder and the inner drill cylinder are provided with saw teeth. According to the utility model, the water injection holes are used for injecting water into the water injection cavity between the inner drilling cylinder and the outer drilling cylinder, and the driving motor and the like are started to drive the inner drilling cylinder and the outer drilling cylinder to rotate, so that the sampled soil becomes soft due to the wetting of water flow, the external force required by pressing the inner drilling cylinder and the outer drilling cylinder into a designated position is reduced, the inner drilling cylinder and the outer drilling cylinder are conveniently penetrated into the sampled soil by a worker, and the smoothness in sampling is improved.

Description

Sand sampler for rock and soil investigation

Technical Field

The utility model relates to the technical field of surveying equipment, in particular to a rock and soil exploration sand remover.

Background

Geotechnical engineering investigation refers to the process of finding out, analyzing and evaluating the geology, environmental characteristics and geotechnical engineering conditions of a construction site according to the requirements of construction engineering, and compiling an investigation file.

In the related art, the investigation and sand taking are to drill holes in the ground and take sand in the holes. The sand remover generally comprises a driving motor, a connecting rod arranged on a rotating shaft of the driving motor, and a drilling barrel arranged on the connecting rod, wherein when a worker takes sand, the driving motor needs to be started to screw the drilling barrel into sampling soil, so that the soil is taken out by the drilling barrel.

When the staff is in the comparatively dry ground sample of soil property, need press down hard and bore a section of thick bamboo, when the soil of needs sampling is darker, the staff need apply bigger external force to bore a section of thick bamboo, wastes time and energy, exists the improvement space.

Disclosure of Invention

In order to improve the simplicity of the drilling barrel in sampling, the utility model provides a rock and soil exploration sand remover.

The utility model provides a rock and soil investigation sand remover, which adopts the following technical scheme:

the rock and soil investigation sand taking device comprises a connecting rod, wherein an inner drill cylinder is arranged on the connecting rod, an outer drill cylinder is sleeved outside the inner drill cylinder, a water injection cavity is formed between the inner drill cylinder and the outer drill cylinder, a water injection hole communicated with the water injection cavity is formed in the top of the outer drill cylinder in a penetrating manner, and the water injection hole is used for water flow injection; the end parts of the outer drill cylinder and the inner drill cylinder are provided with saw teeth.

Through adopting above-mentioned technical scheme, on the one hand, when needs sample, prick the sample surface earlier with the sawtooth, start driving motor etc. and drive interior bore section of thick bamboo, outer bore section of thick bamboo and rotate, water injection to the water injection intracavity through the water injection hole afterwards, sample soil will become soft because of the soaking of rivers this moment to required external force when boring section of thick bamboo, outer bore section of thick bamboo and impressing the assigned position in will be reduced, made things convenient for the staff to bore section of thick bamboo and outer bore section of thick bamboo in with boring the section of thick bamboo in going deep into the sample soil in, improved the smoothness nature when taking a sample. On the other hand, the double-layer drilling barrel formed by the inner drilling barrel and the outer drilling barrel is adopted, so that the stability in drilling is improved, the condition that the connecting rod and the inner drilling barrel deviate in sampling is reduced, and the accuracy and the simplicity in sampling are improved.

Optionally, the distance between the end of the outer drill cylinder and the connecting rod is smaller than the distance between the end of the inner drill cylinder and the connecting rod.

Through adopting above-mentioned technical scheme, when taking a sample, outer bore section of thick bamboo tip will contact the sample surface first to insert gradually in the sample layer along with driving motor's order, realized the prepositioning of interior bore section of thick bamboo through outer boring section of thick bamboo this moment, reduced the condition that interior bore section of thick bamboo takes place the skew in the sample process of punching, improved the accuracy when taking a sample.

Optionally, the inner drill cylinder and the outer drill cylinder are both provided with protrusions, and the protrusions are spirally arranged along the extending directions of the inner drill cylinder and the outer drill cylinder.

Through adopting above-mentioned technical scheme, bellied setting has increased interior bore section of thick bamboo, outer roughness of boring a section of thick bamboo surface, has reduced the laminating nature between sample soil and interior bore a section of thick bamboo, the outer bore a section of thick bamboo, has made things convenient for interior bore a section of thick bamboo, outer bore a section of thick bamboo and has broken the soil through protruding simultaneously, has further improved the smoothness nature of boring a section of thick bamboo, outer bore a section of thick bamboo drilling time.

Optionally, the inner drill cylinder comprises a left cylinder body arranged on the connecting rod and a right cylinder body detachably arranged on the left cylinder body, the right cylinder body is provided with an inserting block, the left cylinder body is provided with an inserting groove for inserting the inserting block, and the inserting groove is matched with the shape of the inserting block; the left cylinder body is provided with a fastener, and the fastener is used for fixing the right cylinder body on the left cylinder body; the outer drill cylinder is detachably arranged on the connecting rod.

By adopting the technical scheme, when the soil is required to be taken out from the inner drilling cylinder after sampling is finished, the outer drilling cylinder is firstly taken out from the connecting rod, then the limit fixation of the fastening piece on the left cylinder body and the right cylinder body is released, then the right cylinder body is pulled out from the left cylinder body, at the moment, the soil can be pulled out from the inner drilling cylinder by a working staff through a shovel and the like, so that the working staff can conveniently and rapidly take and transport the sampled soil completely, and the simplicity in sampling is improved; when the right barrel body needs to be fixed on the left barrel body, the right barrel body is firstly moved to the direction close to the left barrel body to be inserted into the inserting groove by the inserting block, then the right barrel body is fixed on the left barrel body by the fastening piece, the whole fixing mode is very convenient and fast, the right barrel body can be limited and fixed on the left barrel body by the inserting fit of the inserting block and the inserting groove, the tightness of the joint of the right barrel body and the left barrel body is improved, and the stability of the right barrel body when the fastening piece is screwed is further improved.

Optionally, a connecting ring is arranged at the end part of the left cylinder body, the connecting ring and the inner cylinder body are coaxially arranged, and the saw teeth are arranged on the connecting ring; the connecting ring is provided with a positioning ball and a reset spring, one end of the reset spring is arranged on the positioning ball, the other end of the reset spring is arranged on the connecting ring, and the reset spring is used for ejecting the end part of the positioning ball from the top end of the connecting ring; the right cylinder body is provided with a positioning groove, the positioning groove is used for inserting a positioning ball, and the positioning ball is matched with the positioning groove in shape.

By adopting the technical scheme, when the right barrel is mounted on the left barrel, the bottom end of the right barrel is firstly placed at the top end of the connecting ring, then the right barrel is moved towards the direction close to the inserting groove, the positioning ball extending from the top end of the connecting ring is contacted with the bottom end of the right barrel and is pressed into the connecting ring, and when the right barrel is moved to the position where the positioning groove is opposite to the positioning ball, the positioning ball is automatically inserted into the positioning ball under the action of the elasticity of the reset spring, so that the sliding range of the right barrel can be limited by the inserting and matching of the positioning ball and the positioning groove, and the accuracy of the right barrel in inserting is improved; the adoption of the positioning ball can ensure that the positioning ball is smoothly pressed into the connecting ring by the right cylinder body by utilizing the characteristic that the radian of the surface of the positioning ball is smooth.

Optionally, be provided with solid board on the left barrel inside wall, solid board tip stretches out from left barrel tip, solid board extends along left barrel circumferencial direction, solid board is used for contacting with right barrel inside wall.

Through adopting above-mentioned technical scheme, when right body is installed on left body, the tip that solid template worn out from left body will closely laminate with right body inside wall mutually to with left body and right body junction shutoff. When staff fills water into the water injection cavity through the water injection hole, the condition that external moist soil permeates into the inner drilling cylinder is reduced through the solid plate, the original state of sampling materials is guaranteed, and the accuracy of sampling data is improved; on the other hand, can carry out the solid type to the inside soil of interior brill section of thick bamboo through solid template, reduce the staff when taking out soil, the soil takes place the condition that drops on a large scale, improved the staff and taken out the efficiency of soil.

Optionally, a sealing gasket is arranged in the plugging groove and is used for being in contact with the plugging block.

Through adopting above-mentioned technical scheme, the clearance between grafting piece and the grafting groove has been reduced in the setting of sealed pad, has improved the stability of grafting piece and grafting groove junction, has further improved the firm nature of right barrel fixed on left barrel.

Optionally, the insertion block is provided with a rounded corner.

Through adopting above-mentioned technical scheme, the setting of chamfer has reduced the sharp-pointed degree of grafting piece tip border department, has reduced the grafting piece insert to the grafting inslot with the collision and the resistance between the grafting inslot inside wall, has improved the smooth and easy nature that the grafting piece was inserted to the grafting inslot smoothly.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. the water injection holes are used for injecting water into the water injection cavity, the driving motor and the like are started to drive the inner drill cylinder and the outer drill cylinder to rotate, and at the moment, sampling soil becomes soft due to wetting of water flow, so that external force required by pressing the inner drill cylinder and the outer drill cylinder into a specified position is reduced, workers can conveniently penetrate the inner drill cylinder and the outer drill cylinder into the sampling soil, and smoothness in sampling is improved.

2. When soil needs to be taken out from the inner drilling cylinder, the right cylinder body is pulled out from the left cylinder body, and at the moment, staff can pull out the soil from the inner drilling cylinder through a shovel and the like, so that the convenience of the staff in quick and complete taking out and carrying of the sampled soil is improved, and the convenience in sampling is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model.

Fig. 2 is a partial cross-sectional view of an embodiment of the present utility model embodying an inner drill barrel, an outer drill barrel, and a water injection hole.

Fig. 3 is a schematic view of a partial explosion of a right barrel, left barrel, and stationary plate embodying an embodiment of the present utility model.

Fig. 4 is a partial schematic view of a positioning slot according to an embodiment of the present utility model.

Fig. 5 is an enlarged schematic view at a in fig. 3.

Fig. 6 is a schematic view of a partial explosion of an embodiment of the present utility model embodying a detent ball and a return spring.

Reference numerals illustrate: 1. a connecting rod; 2. an inner drill barrel; 21. a left barrel; 211. a plug-in groove; 212. fixing plates; 213. a sealing gasket; 22. a right barrel; 221. a plug block; 222. chamfering; 23. a fastener; 231. a threaded hole; 24. a connecting ring; 241. a positioning ball; 242. a return spring; 25. a positioning groove; 3. an outer drill barrel; 31. a water injection cavity; 32. a water injection hole; 4. saw teeth; 5. a protrusion.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-6.

The embodiment of the utility model discloses a rock and soil investigation sand remover. Referring to fig. 1 and 2, the rock and soil investigation sand remover comprises a connecting rod 1, an inner drill barrel 2 integrally formed on the connecting rod 1, and an outer drill barrel 3 detachably mounted on the connecting rod 1, wherein the outer drill barrel 3 is sleeved outside the inner drill barrel 2.

Referring to fig. 1 and 2, a water injection cavity 31 is formed between the inner drill barrel 2 and the outer drill barrel 3, a water injection hole 32 is formed on the side wall of the top of the outer drill barrel 3, the water injection hole 32 is communicated with the water injection cavity 31, and the water injection hole 32 is used for allowing water to flow into the water injection cavity 31. The height of the inner drilling cylinder 2 is lower than that of the outer drilling cylinder 3, the distance between the bottom end of the inner drilling cylinder 2 and the connecting rod 1 is smaller than that between the bottom end of the outer drilling cylinder 3 and the connecting rod 1, and the end parts of the inner drilling cylinder 2 and the outer drilling cylinder 3 are provided with saw teeth 4.

When needs sample, prick the sample surface earlier with the sawtooth 4 on the outer section of thick bamboo that bores 3, bore section of thick bamboo 2, outer section of thick bamboo 3 and rotate in starting driving motor etc. drive, bore section of thick bamboo 3 tip and insert gradually in the sample soil along with driving motor's drive, bore the prepositioning of section of thick bamboo 2 in having realized boring through outer section of thick bamboo 3 this moment, reduced the condition that bore section of thick bamboo 2 and take place the skew in the sample in-process of punching, improved the accuracy when taking a sample. After the staff deepens outer bore section of thick bamboo 3 a certain degree of depth into sample soil, through the water injection hole 32 to the water injection in the water injection chamber 31, sample soil will become soft because of the soaking of rivers this moment to required external force when having reduced to bore section of thick bamboo 2, outer bore section of thick bamboo 3 into appointed position in, made things convenient for the staff to bore section of thick bamboo 2 and outer bore section of thick bamboo 3 deep into in the sample soil in with interior bore section of thick bamboo 2, improved the smoothness when taking a sample.

Referring to fig. 2 and 3, the inner drill barrel 2 and the outer drill barrel 3 are formed with protrusions 5 on the circumferential outer side walls thereof, and the protrusions 5 extend spirally in the barrel height direction. The arrangement of the bulges 5 increases the roughness of the surfaces of the inner drilling barrel 2 and the outer drilling barrel 3, facilitates the inner drilling barrel 2 and the outer drilling barrel 3 to break the soil, and further improves the smoothness of the inner drilling barrel 2 and the outer drilling barrel 3 during drilling.

Referring to fig. 3, the inner drill barrel 2 includes a left barrel 21 integrally formed on the connecting rod 1, a connecting ring 24 integrally formed on the left barrel 21, and a right barrel 22 detachably mounted on the left barrel 21, wherein the left barrel 21 and the right barrel 22 are spliced together to form the inner drill barrel 2. The connecting ring 24 and the inner drill barrel 2 are coaxially arranged, and the saw teeth 4 are integrally formed at one end of the connecting ring 24 far away from the connecting rod 1.

Referring to fig. 3 and 4, two sets of plug blocks 221 are integrally formed on the right barrel 22, the plug blocks 221 extend along the height direction of the right barrel 22, and the plug blocks 221 are respectively located on the outer side walls of the end parts of the right barrel 22 extending along the height direction. The insertion block 221 is formed with a rounded corner 222, and the rounded corner 222 extends in the height direction of the insertion block 221.

Referring to fig. 3 and 5, the left barrel 21 is provided with insertion grooves 211 corresponding to the insertion blocks 221 one by one, the insertion grooves 211 are used for inserting the insertion blocks 221 corresponding to the insertion grooves 211, and sealing gaskets 213 are fixedly attached in the insertion grooves 211. The gasket 213 is made of rubber material, and the gasket 213 is used for abutting against the plug 221 inserted into the plug slot 211. The left barrel 21 is detachably provided with a fastener 23, the fastener 23 is used for fixing the plug block 221 in the plug groove 211, and in the embodiment of the utility model, the fastener 23 adopts a bolt.

Referring to fig. 3 and 5, screw holes 231 are formed in the right and left barrels 22 and 21, and the screw holes 231 are located on the inner side walls of the insertion block 221 and the insertion groove 211, respectively. When the soil is required to be taken out after sampling, the outer drill barrel 3 is firstly removed from the connecting rod 1, then the limit fixation of the fastening piece 23 to the left barrel body 21 and the right barrel body 22 is released, then the right barrel body 22 is pulled out of the left barrel body 21, and at the moment, the soil can be pulled out of the inner drill barrel 2 by a shovel or the like, so that the rapid and complete taking out and carrying of the sampled soil by the staff are facilitated.

Referring to fig. 3 and 5, two sets of fixing plates 212 are integrally formed on the inner sidewall of the left barrel 21, the two sets of fixing plates 212 are respectively adjacent to the two sets of inserting grooves 211, and the fixing plates 212 extend along the height direction of the left barrel 21. The fixed plate 212 extends along the circumferential direction of the inner side wall of the left barrel 21, the fixed plate 212 extends out of the end part of the left barrel 21, the openings of the inserting grooves 211 are positioned at the central axes of the corresponding fixed plates 212, and the fixed plate 212 is used for being mutually attached and abutted with the inner side wall of the right barrel 22.

After the right barrel 22 is installed on the left barrel 21, the outer side walls of the fixed plates 212 opposite to each other are tightly propped against the inner side walls of the right barrel 22, and at the moment, the joint of the inserting groove 211 and the inserting block 221 can be plugged through the fixed plates 212, so that the situation that external moist soil infiltrates into the inner drill barrel 2 when workers inject water into the water injection cavity 31 is reduced, and the accuracy of sampling data is improved. Simultaneously, can carry out the solid type to the inside soil of interior bore section of thick bamboo 2 through solid board 212, reduce the staff when taking out soil, the condition that the soil takes place the large tracts of land and drops has improved the staff and has taken out the efficiency of soil.

Referring to fig. 6, a return spring 242 and a positioning ball 241 are mounted on the connection ring 24, one end of the return spring 242 is fixedly connected in the connection ring 24, the other end of the return spring 242 is fixedly connected on the positioning ball 241, the return spring 242 stretches along the height direction of the connection ring 24, and the return spring 242 is used for ejecting the end of the positioning ball 241 from the side wall of the top of the connection ring 24. The side wall of the bottom end of the right cylinder body 22 is provided with a positioning groove 25, the positioning groove 25 is used for inserting a positioning ball 241, and the shape of the positioning groove 25 is matched with that of the positioning ball 241.

When the right barrel 22 needs to be fixed on the left barrel 21, the bottom end of the right barrel 22 is placed at the top end of the connecting ring 24, then the right barrel 22 is moved towards the direction approaching the inserting groove 211, at this time, the positioning ball 241 extending from the top end of the connecting ring 24 is contacted with the bottom end of the right barrel 22 and is pressed into the connecting ring 24, and the return spring 242 is compressed. When the right barrel 22 moves to the position where the positioning groove 25 is opposite to the positioning ball 241, the positioning ball 241 will be automatically inserted into the positioning ball 241 under the action of the elastic force of the return spring 242, at this time, the insertion block 221 will be completely inserted into the insertion groove 211 and tightly abutted against the sealing pad 213, the two sets of fixing plates 212 will tightly abut against the inner side wall of the right barrel 22, and then the fastening piece 23 will be screwed into the threaded hole 231, thereby completing the fixed connection of the right barrel 22 and the left barrel 21.

The sliding range of the right cylinder body 22 can be limited through the positioning ball 241 and the positioning groove 25, the accuracy of the right cylinder body 22 and the left cylinder body 21 during insertion is improved, friction between the insertion block 221 and the insertion groove 211 is reduced through the rounding 222, and the insertion block 221 is conveniently inserted into the insertion groove 211 by a worker.

The implementation principle of the rock and soil investigation sand remover provided by the embodiment of the utility model is as follows: when sampling is needed, the saw teeth 4 on the outer drilling barrel 3 are pricked into the sampling surface, and then a driving motor and the like are started to drive the inner drilling barrel 2 and the outer drilling barrel 3 to rotate. The end part of the outer drilling cylinder 3 is gradually inserted into sampling soil along with the driving of the driving motor, the pre-positioning of the inner drilling cylinder 2 is realized through the outer drilling cylinder 3, the condition that the inner drilling cylinder 2 is deviated in the punching and sampling process is reduced, and the accuracy in sampling is improved. After the staff deepens outer bore section of thick bamboo 3 a certain degree of depth into sample soil, through the water injection hole 32 to the water injection in the water injection chamber 31, sample soil will become soft because of the soaking of rivers this moment to required external force when having reduced to bore section of thick bamboo 2, outer bore section of thick bamboo 3 into appointed position in, made things convenient for the staff to bore section of thick bamboo 2 and outer bore section of thick bamboo 3 deep into in the sample soil in with interior bore section of thick bamboo 2, improved the smoothness when taking a sample.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (8)

1. The utility model provides a ground reconnaissance sand taking device, includes connecting rod (1), its characterized in that: an inner drill cylinder (2) is arranged on the connecting rod (1), an outer drill cylinder (3) is sleeved outside the inner drill cylinder (2), a water injection cavity (31) is formed between the inner drill cylinder (2) and the outer drill cylinder (3), a water injection hole (32) communicated with the water injection cavity (31) is formed in the top of the outer drill cylinder (3) in a penetrating mode, and the water injection hole (32) is used for water supply injection; the ends of the outer drill cylinder (3) and the inner drill cylinder (2) are provided with saw teeth (4).

2. A geotechnical survey sand remover according to claim 1 and characterized in that: the distance between the end part of the outer drill cylinder (3) and the connecting rod (1) is smaller than the distance between the end part of the inner drill cylinder (2) and the connecting rod (1).

3. A geotechnical survey sand remover according to claim 1 and characterized in that: the inner drilling barrel (2) and the outer drilling barrel (3) are respectively provided with a bulge (5), and the bulges (5) are spirally arranged along the extending directions of the inner drilling barrel (2) and the outer drilling barrel (3).

4. A geotechnical survey sand remover according to claim 1 and characterized in that: the inner drill cylinder (2) comprises a left cylinder body (21) arranged on the connecting rod (1) and a right cylinder body (22) detachably arranged on the left cylinder body (21), an inserting block (221) is arranged on the right cylinder body (22), an inserting groove (211) for inserting the inserting block (221) is formed in the left cylinder body (21), and the shape of the inserting groove (211) is matched with that of the inserting block (221); the left cylinder body (21) is provided with a fastener (23), and the fastener (23) is used for fixing the right cylinder body (22) on the left cylinder body (21); the outer drill cylinder (3) is detachably arranged on the connecting rod (1).

5. A geotechnical survey sand remover according to claim 4 and characterized in that: the end part of the left cylinder body (21) is provided with a connecting ring (24), the connecting ring (24) and the inner cylinder body are coaxially arranged, and the saw teeth (4) are arranged on the connecting ring (24); a positioning ball (241) and a return spring (242) are arranged on the connecting ring (24), one end of the return spring (242) is arranged on the positioning ball (241), the other end of the return spring (242) is arranged on the connecting ring (24), and the return spring (242) is used for ejecting the end part of the positioning ball (241) from the top end of the connecting ring (24); the right cylinder body (22) is provided with a positioning groove (25), the positioning groove (25) is used for inserting a positioning ball (241), and the positioning ball (241) is matched with the positioning groove (25) in shape.

6. A geotechnical survey sand remover according to claim 4 and characterized in that: the utility model discloses a left barrel, including left barrel (21), left side barrel (21) are provided with on the inside wall, solid board (212) tip stretches out from left barrel (21), solid board (212) extend along left barrel (21) circumferencial direction, solid board (212) are used for contacting with right barrel (22) inside wall.

7. A geotechnical survey sand remover according to claim 4 and characterized in that: a sealing gasket (213) is arranged in the inserting groove (211), and the sealing gasket (213) is used for being in contact with the inserting block (221).

8. A geotechnical survey sand remover according to claim 4 and characterized in that: the plug-in block (221) is provided with a rounding (222).