CN214749050U

CN214749050U - Layered detection sampling device for rock and soil exploration

Info

Publication number: CN214749050U
Application number: CN202121272215.0U
Authority: CN
Inventors: 任伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2021-11-16
Anticipated expiration: 2031-06-08

Abstract

The utility model discloses a ground reconnaissance is with layering detection sampling device relates to ground reconnaissance field, the on-line screen storage device comprises a base, the last fixed surface of base is connected with two symmetric distribution's hydraulic lifting rod, two fixedly connected with fixed plate between the top of hydraulic lifting rod, the upper surface middle part fixedly connected with motor of fixed plate, the output of motor is connected with the transmission shaft. The utility model discloses a be provided with the connecting piece between transmission shaft and sampler barrel, the connecting piece can be with transmission shaft and sampler barrel fixed connection, makes the sampler barrel convenient to detach installation simultaneously, sets up a plurality of sampling grooves that are the vertical distribution of equidistant on the sampler barrel, is provided with auger blade between two adjacent sampling grooves, prevents that the ground from dropping for the sampler barrel can carry out the layering sample after the sample, has improved the precision that this device sampled.

Description

Layered detection sampling device for rock and soil exploration

Technical Field

The utility model relates to a ground reconnaissance field, in particular to ground reconnaissance is with layering detection sampling device.

Background

Geotechnical engineering is a new technical system established in civil engineering practice in 60's of the 20 th century in the countries of the Europe and the America. Geotechnical engineering is to solve the problems of rock and soil engineering, including foundation and foundation, slope, underground engineering and the like, and is used as a research object of the geotechnical engineering.

The sampling analysis of the soil body is an indispensable step before various engineering constructions, and the sampling analysis is mainly to extract undisturbed soil of lower-layer test soil as a sample through a certain geotechnical sampling device so as to know the properties of a base layer of the soil body. At present, the traditional sampling device mainly has the defects of complex structure, large volume, inconvenient carrying and use, high production cost and high subsequent maintenance cost in the using process. And the rock soil in the sampling cylinder can not be quickly sampled in a layered manner, so that the sampling precision is reduced. Therefore, it is necessary to invent a layered detection sampling device for geotechnical investigation to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ground reconnaissance is with layering detection sampling device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a layered detection sampling device for geotechnical investigation comprises a base, wherein the upper surface of the base is fixedly connected with two symmetrically distributed hydraulic lifting rods, a fixing plate is fixedly connected between the top ends of the two hydraulic lifting rods, the middle part of the upper surface of the fixed plate is fixedly connected with a motor, the output end of the motor is connected with a transmission shaft, a sampling cylinder is arranged below the transmission shaft, the top end of the sampling cylinder is connected with the bottom end of the transmission shaft through a connecting piece, one side of the sampling cylinder is provided with a plurality of sampling grooves which are distributed at equal intervals, the outer side of an opening at one end of each sampling groove is provided with a groove, the sealing plate is arranged in the groove and is of an arc-shaped structure, one end of the sealing plate is connected with the inner wall of one end of the groove through a pin shaft, and the other end of the sealing plate is connected with the bottom of the other end of the groove through a fixing pin.

Preferably, the bottom of a sampling cylinder is fixedly connected with an annular drill bit through internal and external threads, a plurality of auger blades which are vertically distributed at equal intervals are fixedly connected onto the inner wall of the sampling cylinder, and the auger blades and the sampling grooves are arranged in a staggered manner.

Preferably, the connecting piece comprises a convex plate fixedly installed at the top end of the sampling tube, and the edge of the upper surface of the convex plate is fixedly connected with a screw rod.

Preferably, the screw rod is provided with a plurality of, a plurality of the screw rod is the annular array and distributes.

Preferably, the upper surface of the convex plate is in fit connection with a connecting plate, the upper surface of the connecting plate is fixedly connected with the bottom end of the transmission shaft, and the outer side of the bottom end of the transmission shaft is fixedly connected with the connecting plate through a plurality of reinforcing plates distributed in an annular array.

Preferably, the edge of the connecting plate is provided with a plurality of through grooves matched with the screw rods, the upper ends of the screw rods penetrate through the through grooves and extend to the upper side of the connecting plate, the outer sides of the upper ends of the screw rods are sleeved with limit nuts, and the limit nuts are connected with the upper surface of the connecting plate in a fitting mode.

The utility model discloses a technological effect and advantage:

the utility model discloses a be provided with the connecting piece between transmission shaft and sampler barrel, the connecting piece can be with transmission shaft and sampler barrel fixed connection, make sampler barrel convenient to detach installation simultaneously, set up a plurality of sampling grooves that are the vertical distribution of equidistant on the sampler barrel, be provided with auger blade between two adjacent sampling grooves, prevent that the ground from dropping, make the sampler barrel can carry out the layering sample after the sample, the precision of this device sample has been improved, the outside in sampling groove is provided with the recess, closing plate in the recess can be sealed the sampling groove, the ground leaks and mixes through the sampling groove when avoiding this device sample, the sampling precision of this device has further been improved.

Drawings

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

Fig. 2 is the utility model discloses a coupon structure cuts open schematic diagram down.

Fig. 3 is a schematic sectional view of the sampling tube structure of the present invention.

Fig. 4 is a schematic perspective view of the sampling tube structure of the present invention.

Fig. 5 is a schematic sectional view of the structure of the connecting member of the present invention.

In the figure, 1, a base; 2. a hydraulic lifting rod; 3. a motor; 4. a drive shaft; 5. a sampling tube; 6. a connecting member; 7. a sampling groove; 8. a groove; 9. a sealing plate; 10. a fixing pin; 11. a ring bit; 12. a screw blade; 13. a convex plate; 14. a screw; 15. a connecting plate; 16. a reinforcing plate; 17. a through groove; 18. and a limiting nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a ground reconnaissance is with layering detection sampling device as shown in fig. 1-5, including base 1, base 1's two symmetric distributions's of last fixed surface hydraulic lifting rod 2, fixedly connected with fixed plate between two hydraulic lifting rod 2's the top, the upper surface middle part fixedly connected with motor 3 of fixed plate, motor 3's output is connected with transmission shaft 4, and transmission shaft 4's below is provided with sampler barrel 5, and sampler barrel 5's top is passed through connecting piece 6 and is connected with transmission shaft 4's bottom.

Specifically, one side of the sampling cylinder 5 is provided with a plurality of sampling grooves 7 which are distributed at equal intervals, the outer side of an opening at one end of each sampling groove 7 is provided with a groove 8, a sealing plate 9 is arranged inside each groove 8, the sealing plate 9 is of an arc structure, one end of the sealing plate 9 is connected with the inner wall at one end of each groove 8 through a pin shaft, the sealing plate 9 can seal the sampling grooves 7, rock and soil are prevented from leaking and mixing through the sampling grooves 7 when the device is used for sampling, the sampling precision of the device is further improved, the other end of the sealing plate 9 is connected with the bottom of the other end of each groove 8 through a fixing pin 10, the fixing pin 10 can limit and fix the sealing plate 9, the bottom end of the sampling cylinder 5 is fixedly connected with an annular drill bit 11 through internal and external threads, the annular drill bit 11 is convenient to detach and replace after being damaged, the inner wall of the sampling cylinder 5 is fixedly connected with a plurality of auger blades 12 which are vertically distributed at equal intervals, the auger blade 12 and the sampling groove 7 are arranged in a staggered mode, rock and soil can be prevented from falling by the auger blade 12, and layered sampling can be conveniently carried out by the device.

More specifically, the connecting piece 6 comprises a convex plate 13 fixedly installed at the top end of the sampling cylinder 5, the edge of the upper surface of the convex plate 13 is fixedly connected with a plurality of screw rods 14, the plurality of screw rods 14 are distributed in an annular array, the installation stability of the sampling cylinder 5 is improved by the arrangement of the plurality of screw rods 14, the upper surface of the convex plate 13 is in fit connection with a connecting plate 15, the upper surface of the connecting plate 15 is fixedly connected with the bottom end of the transmission shaft 4, the outer side of the bottom end of the transmission shaft 4 is fixedly connected with the connecting plate 15 through a plurality of reinforcing plates 16 distributed in an annular array, the edge of the connecting plate 15 is provided with a plurality of through grooves 17 matched with the screw rods 14, the upper end of each screw rod 14 penetrates through the through grooves 17 and extends to the upper part of the connecting plate 15, a limit nut 18 is sleeved on the outer side of the upper end of each screw rod 14, the limit nut 18 is in fit connection with the screw rods 14 to limit and fix the convex plate 13 and the connecting plate 15, thereby allowing the sampling tube 5 to be stably mounted.

The utility model discloses the theory of operation:

when the device works, firstly, the annular drill bit 11 is screwed to the bottom of the sampling cylinder 5, then the screw 14 on the convex plate 13 penetrates through the through groove 17 on the connecting plate 15, then the limiting nut 18 is sleeved on the outer side of the top end of the screw 14, the limiting nut 18 is screwed to the upper surface of the connecting plate 15, the connecting plate 15 and the convex plate 13 are fixed and limited, so that the sampling cylinder 5 is stably installed, then the motor 3 is started, the motor 3 drives the sampling cylinder 5 to rotate through the transmission shaft 4 and the connecting piece 6, then the two hydraulic lifting rods 2 are simultaneously started, the hydraulic lifting rods 2 drive the sampling cylinder 5 to move downwards through the fixing plate, so that the sampling cylinder 5 carries out rock soil sampling work through the annular drill bit 11, the auger blades 12 in the sampling cylinder 5 can prevent rock soil from falling, after sampling is finished, the sampling cylinder 5 is driven to move upwards through the hydraulic lifting rods 2, then the limiting nut 18 is unscrewed, and the sampling cylinder 5 is taken down, then lift the fixed pin 10 on the sampling tube 5 off and open closing plate 9, insert through small-size sampling mechanism and carry out the layering sample in the sample groove 7 for this device can carry out the layering sample to the ground of the different degree of depth, has improved the sampling precision of this device.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a ground reconnaissance is with layering detection sampling device, includes base (1), its characterized in that: the sampling device is characterized in that two hydraulic lifting rods (2) which are symmetrically distributed are fixedly connected to the upper surface of the base (1), a fixed plate is fixedly connected between the top ends of the two hydraulic lifting rods (2), a motor (3) is fixedly connected to the middle of the upper surface of the fixed plate, the output end of the motor (3) is connected with a transmission shaft (4), a sampling cylinder (5) is arranged below the transmission shaft (4), the top end of the sampling cylinder (5) is connected with the bottom end of the transmission shaft (4) through a connecting piece (6), a plurality of sampling grooves (7) which are distributed at equal intervals are formed in one side of the sampling cylinder (5), a groove (8) is formed in the outer side of an opening at one end of each sampling groove (7), a sealing plate (9) is arranged inside each groove (8), each sealing plate (9) is arranged in an arc-shaped structure, and one end of each sealing plate (9) is connected with the inner wall of one end of each groove (8) through a pin shaft, the other end of the sealing plate (9) is connected with the bottom of the groove at the other end of the groove (8) through a fixing pin (10).

2. The layered detection sampling device for geotechnical investigation of claim 1, wherein: the bottom of sampler barrel (5) is through interior external screw thread fixedly connected with annular drill bit (11), a plurality of auger blades (12) that are the vertical distribution of equidistant of fixedly connected with on the inner wall of sampler barrel (5), auger blade (12) and sample groove (7) dislocation set.

3. The layered detection sampling device for geotechnical investigation of claim 2, wherein: connecting piece (6) are including convex plate (13) of fixed mounting on sampling tube (5) top, the upper surface edge fixedly connected with screw rod (14) of convex plate (13).

4. The layered detection sampling device for geotechnical investigation of claim 3, wherein: the screw rods (14) are arranged in a plurality, and the screw rods (14) are distributed in an annular array.

5. The layered detection sampling device for geotechnical investigation of claim 4, wherein: the upper surface laminating of flange (13) is connected with connecting plate (15), the upper surface of connecting plate (15) and the bottom fixed connection of transmission shaft (4), the bottom outside of transmission shaft (4) is through a plurality of reinforcing plates (16) and connecting plate (15) fixed connection that are the annular array and distribute.

6. The layered detection sampling device for geotechnical investigation of claim 5, wherein: the edge of the connecting plate (15) is provided with a plurality of through grooves (17) matched with the screw rods (14), the upper ends of the screw rods (14) penetrate through the through grooves (17) and extend to the upper portion of the connecting plate (15), the outer side of the upper ends of the screw rods (14) is sleeved with limit nuts (18), and the limit nuts (18) are connected with the upper surface of the connecting plate (15) in a fitting mode.