CN215525160U

CN215525160U - Sampling device for geological mineral exploration

Info

Publication number: CN215525160U
Application number: CN202122268995.8U
Authority: CN
Inventors: 孟祥鑫; 朱光骥; 董妍; 孟丽沙; 亓协全; 于明光; 刘凯丽; 袁超; 屈元会; 成世才; 卢兆群; 王成成
Original assignee: China Chemical Geology And Mine Bureau Shandong Geological Prospecting Institute
Current assignee: China Chemical Geology And Mine Bureau Shandong Geological Prospecting Institute
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-01-14
Anticipated expiration: 2031-09-18

Abstract

The utility model discloses a sampling device for geological mineral exploration, which comprises a connecting rod and a sampling cylinder arranged at the lower end of the connecting rod, wherein the side wall of the sampling cylinder is provided with a plurality of sample inlets, one end of each sample inlet is hinged with a sampling claw, one side of each sampling claw is provided with a connecting plate, and each connecting plate is provided with a chute; the driving mechanism comprises a driving disc and a plurality of guide sleeves arranged at the lower part of the driving disc, guide grooves are arranged at the upper parts of the guide sleeves, a sample feeding gap is arranged between the driving disc and the inner wall of the sampling cylinder, a plurality of arc-shaped grooves are arranged on the driving disc, a driving shaft is fixedly connected at the center of the driving disc, and the driving shaft is connected with a connecting rod; the middle part of the guide sleeve is movably connected with the driving shaft, a telescopic rod is slidably connected inside the guide sleeve, one end of the telescopic rod is hinged with the sliding groove, and a guide rod is arranged on the upper part of the other end of the telescopic rod. After the geological drilling is carried out, the sampling cylinder is lowered to the required height, the handle is rotated, and the sampling claw is opened through the connecting rod and the driving shaft, so that the geological fixed-point sampling is completed, and the efficiency and the accuracy of the geological fixed-point sampling are improved.

Description

Sampling device for geological mineral exploration

Technical Field

The utility model belongs to the technical field of geological exploration, and particularly relates to a sampling device for geological mineral exploration.

Background

In engineering geological exploration, a certain number of physical samples are taken from a drill hole (or from a pit, a well or a groove) at a certain depth according to the technical requirements of exploration or engineering design construction, which is the main task of the engineering geological exploration, is the main means for acquiring geological data below the earth surface by the engineering geological exploration and the hydrogeological exploration, and is also an important method for inspecting the construction quality of underground engineering such as building foundations and the like; the purpose of drilling and sampling is mainly to have the following aspects: firstly, revealing and dividing stratum, and identifying and describing the properties and components of rock and soil; finding out geological structure, unfavorable geological phenomenon distribution boundary and form, etc.; thirdly, carrying out analysis experiments on rock samples collected in the holes to find out the physical and mechanical properties of the rocks; finding out the type of the underground water, measuring the water level, taking a water sample, and analyzing the physical and chemical properties of the underground water; sampling and testing in the drill hole.

Present sampling tool commonly used is mostly the rotation geotome, with the sampling tube with the mode of gyration at the uniform velocity or impress geology inside fast, make the soil sample be full of the sampling tube in order to accomplish the sample, this kind of sampling mode is better to continuous sampling result of use, but has the problem that sampling efficiency is low, the sampling accuracy is poor to the fixed point sample.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art, provides a sampling device for geological mineral exploration, and solves the problems of low fixed-point sampling efficiency and poor sampling accuracy in the prior art.

In order to achieve the purpose, the utility model adopts the technical scheme that:

a sampling device for geological mineral exploration comprises a connecting rod and a sampling cylinder arranged at the lower end of the connecting rod, wherein the upper end of the connecting rod is connected with a handle, a plurality of sample inlets are formed in the side wall of the sampling cylinder, one end of each sample inlet is hinged with a sampling claw, a connecting plate is arranged on one side of each sampling claw, a sliding groove is formed in the connecting plate, and an end cover is arranged at the upper end of the sampling cylinder; a driving mechanism is arranged in the sampling cylinder and comprises a driving disc and a plurality of guide sleeves arranged at the lower part of the driving disc, guide grooves are arranged at the upper parts of the guide sleeves, a sample introduction gap is arranged between the driving disc and the inner wall of the sampling cylinder, a plurality of arc-shaped grooves are arranged on the driving disc, a driving shaft is fixedly connected at the center of the driving disc, and the driving shaft is connected with a connecting rod; the middle part of the guide sleeve is movably connected with the driving shaft, a telescopic rod is connected in the guide sleeve in a sliding manner, one end of the telescopic rod is hinged with the sliding chute, a guide rod is arranged at the upper part of the other end of the telescopic rod, and the guide rod is arranged in the guide groove in a clearance manner; in an initial state, the sampling claw and the sampling cylinder are enclosed to form a closed cylindrical cylinder; during the sample, clockwise rotation handle, transfer the sampler barrel to the inside degree of depth of treating the sample of drilling, then anticlockwise rotation handle, the handle passes through the connecting rod and drives drive shaft anticlockwise rotation, the drive shaft drives the driving-disc rotation, the arc wall drive guide arm on the driving-disc outwards slides in the guide slot to the drive telescopic link outwards backs down the sample claw and makes the sample claw open, inside the sample claw scraped the soil sample of drilling inside wall to the sampler barrel, accomplishes the sample of soil.

As a further optimization of the technical scheme, the two sides of the guide sleeve are provided with limiting grooves, the two sides of one end of the telescopic rod are provided with limiting rods, the limiting rods are arranged in the limiting grooves in a clearance mode, the limiting grooves and the limiting rods limit the telescopic range of the telescopic rod, and the problem that the sampling claw is difficult to sample or even is damaged due to bending deformation caused by too large rotating angle of the sampling claw is avoided.

As a further optimization of the technical scheme, the connecting rod comprises a plurality of standard joints, a first connecting block is arranged at the upper end of each standard joint, a first sleeve matched with the first connecting block is arranged at the lower end of each standard joint, the first connecting blocks of adjacent standard joints are inserted into the first sleeves and connected through pin shafts, a second sleeve is arranged in the middle of the handle, and the first connecting blocks of the upper standard joints are inserted into the second sleeves and connected through pin shafts; the length of the connecting rod can be conveniently adjusted by the plurality of standard sections according to the sampling depth, and the standard sections with the same structure enhance the universality of the standard sections; the detachable standard knot is convenient for the dismouting of sampling device, and then is convenient for sampling device's transportation and use.

As a further optimization of the technical scheme, a plurality of groups of sampling cylinders are arranged, the upper ends of the sampling cylinders are provided with cylinder necks, the cylinder necks are matched with the inner walls of the lower parts of the adjacent sampling cylinders, pin holes are formed in the cylinder necks and the bottoms of the sampling cylinders, and fixing pins are arranged in the pin holes; the upper end of the driving shaft is provided with a second connecting block, the lower end of the driving shaft is provided with a third sleeve, the adjacent second connecting blocks are inserted in the third sleeve, and the uppermost second connecting block is inserted in the first sleeve of the standard knot at the lowermost end; the multi-group sampling cylinders are convenient for sampling the drill holes at different depths at one time, and the sampling efficiency is improved.

As a further preferred of this technical scheme, the shaft sleeve is fixedly connected with to the barrel neck both sides, the fixed pin activity ground cover is established inside the shaft sleeve, the inside spring that is equipped with of shaft sleeve, the one end and the fixed pin of spring are connected, and spring and fixed pin constitute the spring catch, the adjacent sampler barrel quick assembly disassembly of being convenient for, and avoided losing of fixed pin.

As a further optimization of the technical scheme, the end cover is of a frustum-shaped structure, so that the resistance of the sampling cylinder in the process of lifting upwards after sampling is completed is reduced.

As a further optimization of the technical scheme, a drill bit is arranged at the lower end of the sampling cylinder, a fixing pin is arranged at the upper part of the drill bit, a shaft sleeve is arranged on one side of the fixing pin, a spring is arranged in the shaft sleeve, one end of the spring is connected with the fixing pin, the fixing pin of the drill bit is detachably inserted into a pin hole at the lower part of the sampling cylinder, a third connecting block is arranged at the upper part of the drill bit, and the third connecting block is inserted into a third sleeve at the lower end of the sampling cylinder at the lowest part; when there is a collapse inside the borehole, the drill bit facilitates the rapid passage of the sampling device through the collapse zone.

As a further preferred option of the technical solution, the drill is provided with a first helical blade on the outside, and the first helical blade further enhances the ability of the drill to pass through the collapse zone.

As a further preferred of this technical scheme, the inside stirring vane that is equipped with of sampling tube, stirring vane and drive shaft fixed connection, stirring vane stirs the mixture to the soil sample in the sampling tube, has alleviateed the process when follow-up chemical examination, stirring vane is spiral shell belt stirring vane, has strengthened stirring vane's stirring effect.

As a further preferred option of this technical scheme, the drive shaft outside is equipped with second helical blade, and the soil sample circulation upset in the sampling tube when second helical blade is inside the sampling tube soil sample to the lift, has further strengthened the stirring effect of soil sample.

The utility model has the beneficial effects that:

1) after the geological drilling is carried out, the sampling cylinder is lowered to the required height, the handle is rotated, and the sampling claw is opened through the connecting rod and the driving shaft, so that the geological fixed-point sampling is completed, and the efficiency and the accuracy of the geological fixed-point sampling are improved.

2) The plurality of standard knots are detachably assembled, so that the length of the connecting rod can be conveniently adjusted according to the sampling depth, and the standard knots with the same structure enhance the universality of the standard knots; the detachable standard knot is convenient for the dismouting of sampling device, and then is convenient for sampling device's transportation and use.

3) The utility model is provided with a plurality of groups of sampling cylinders, thereby being convenient for completing the sampling of soil samples with different depths by one-time operation and improving the sampling efficiency.

4) The drill bit and the first helical blade outside the drill bit facilitate the sampling device to quickly cross the collapse zone of the borehole.

5) The stirring mechanism is arranged in the sampling cylinder, so that the soil sample in the sampling cylinder is stirred, and the workload of subsequent soil sample test is reduced.

Drawings

FIG. 1 is a schematic structural view of a sampling device for geological mineral exploration.

FIG. 2 is an exploded view of a standard knot and a handle in the sampling device for geological mineral exploration.

FIG. 3 is an exploded view of a sampling cylinder, an end cap and a drill bit in the sampling device for geological mineral exploration.

FIG. 4 is a drawing showing an opened state of a sampling jaw in the sampling apparatus for geological mineral exploration according to the present invention.

FIG. 5 is a schematic view of the internal structure of a sampling cylinder of the sampling device for geological mineral exploration.

FIG. 6 is a schematic structural view of a driving mechanism of a sampling device for geological mineral exploration.

FIG. 7 is an enlarged view of the sampling device for geological mineral exploration shown at A in FIG. 6.

FIG. 8 is a schematic view of a drill head of a sampling device for geological mineral exploration according to the present invention.

In the figure: 1. a connecting rod; 11. a standard section; 12. a first connection block; 13. a first sleeve; 2. a handle; 21. a second sleeve; 3. a sampling tube; 31. a sample inlet; 32. a sampling claw; 321. a connecting plate; 322. a chute; 33. a cylinder neck; 34. a fixing pin; 341. a shaft sleeve; 342. a spring; 35. a drive mechanism; 351. a drive shaft; 352. a second connecting block; 353. a third sleeve; 354. a drive disc; 355. an arc-shaped slot; 356. a guide sleeve; 3561. a guide groove; 3562. a limiting groove; 357. a telescopic rod; 3571. a guide bar; 3572. a limiting rod; 36. a pin hole; 37. a stirring blade; 38. a second helical blade; 39. an end cap; 4. a drill bit; 41. a third connecting block; 42. a first helical blade.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to fig. 1 to 8, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used for convenience of description only, and do not indicate or imply that the devices or elements referred to must have a specific orientation, a specific orientation configuration and operation, and thus, are not to be construed as limiting the present invention.

As shown in fig. 1, a sampling device for geological mineral exploration comprises a connecting rod 1 and a plurality of groups of sampling cylinders 3 arranged at the lower end of the connecting rod 1, wherein the upper end of the connecting rod 1 is connected with a handle 2, as shown in fig. 1-2, the connecting rod 1 comprises a plurality of standard joints 11, the upper ends of the standard joints 11 are provided with first connecting blocks 12, the lower ends of the standard joints 11 are provided with first sleeves 13 matched with the first connecting blocks 12, the first connecting blocks 12 of adjacent standard joints 11 are inserted into the first sleeves 13 and connected through pin shafts, the middle part of the handle 2 is provided with a second sleeve 21, and the first connecting blocks 12 of the upper standard joints 11 are inserted into the second sleeves 21 and connected through pin shafts; the plurality of standard knots 11 are convenient for adjusting the length of the connecting rod 1 according to the sampling depth, and the standard knots 11 with the same structure enhance the universality of the standard knots 11; the detachable standard knot 11 is convenient for the disassembly and assembly of the sampling device, and further is convenient for the transportation and the use of the sampling device.

The side wall of the sampling cylinder 3 is provided with a plurality of sample inlets 31, one end of each sample inlet 31 is hinged with a sampling claw 32, one side of each sampling claw 32 is provided with a connecting plate 321, each connecting plate 321 is provided with a chute 322, the upper end of each sampling cylinder 3 is provided with a cylinder neck 33, each cylinder neck 33 is matched with the inner wall of the lower part of the adjacent sampling cylinder 3, the bottoms of the cylinder necks 33 and the sampling cylinders 3 are provided with pin holes 36, and fixing pins 34 are arranged in the pin holes 36; the two sides of the cylinder neck 33 are fixedly connected with shaft sleeves 341, the fixing pin 34 is movably sleeved inside the shaft sleeves 341, springs 342 are arranged inside the shaft sleeves 341, one end of each spring 342 is connected with the fixing pin 34, the springs 342 and the fixing pins 34 form a spring 342 pin, so that the adjacent sampling cylinders 3 can be conveniently and quickly disassembled, and the fixing pins 34 are prevented from being lost.

A second connecting block 352 is arranged at the upper end of the driving shaft 351, a third sleeve 353 is arranged at the lower end of the driving shaft 351, the adjacent second connecting blocks 352 are inserted in the third sleeve 353, and the uppermost second connecting block 352 is inserted in the first sleeve 13 of the standard joint 11 at the lowermost end; the multi-group sampling cylinder 3 is convenient for sampling the drilling holes with different depths at one time, and the sampling efficiency is improved.

An end cover 39 is arranged at the upper end of the sampling tube 3; as shown in fig. 3, in the present embodiment, the end cap 39 is a frustum-shaped structure, which reduces the resistance when the sampling tube 3 is pulled up after sampling. A driving mechanism 35 is arranged in the sampling cylinder 3, the driving mechanism 35 comprises a driving disk 354 and a plurality of guide sleeves 356 arranged at the lower part of the driving disk 354, the upper part of the guide sleeves 356 is provided with a guide groove 3561, a sample introduction gap is arranged between the driving disk 354 and the inner wall of the sampling cylinder 3, the driving disk 354 is provided with a plurality of arc-shaped grooves 355, the center of the driving disk 354 is fixedly connected with a driving shaft 351, and the driving shaft 351 is connected with a connecting rod 1; the middle part of the guide sleeve 356 is movably connected with the driving shaft 351, the inside of the guide sleeve 356 is slidably connected with a telescopic rod 357, one end of the telescopic rod 357 is hinged with the chute 322, the upper part of the other end of the telescopic rod 357 is provided with a guide rod 3571, and the guide rod 3571 is arranged inside the guide groove 3561 in a clearance manner; as shown in fig. 7, two sides of the guide sleeve 356 are provided with a limiting groove 3562, two sides of one end of the telescopic rod 357 are provided with a limiting rod 3572, the limiting rod 3572 is installed inside the limiting groove 3562 in a clearance manner, the limiting groove 3562 and the limiting rod 3572 limit the telescopic range of the telescopic rod 357, and the problem that the sampling claw 32 is difficult to sample or even the sampling claw 32 is bent, deformed and damaged due to an excessively large rotation angle of the sampling claw 32 is avoided.

As shown in fig. 3 and 8, in this embodiment, a drill 4 is disposed at the lower end of the sampling cylinder 3, a fixing pin 34 is disposed at the upper portion of the drill, a sleeve 341 is disposed at one side of the fixing pin 34, a spring 342 is disposed inside the sleeve 341, one end of the spring 342 is connected to the fixing pin 34, the fixing pin 34 of the drill 4 is detachably inserted into a pin hole 36 at the lower portion of the sampling cylinder 3, a third connecting block 41 is disposed at the upper portion of the drill 4, and the third connecting block 41 is inserted into a third sleeve 353 at the lower end of the sampling cylinder 3 at the lowest portion; the first helical blade 42 is arranged outside the drill bit 4, and the first helical blade 42 further enhances the capability of the drill bit 4 to pass through a collapse area; the drill bit 4 facilitates rapid passage of the sampling device through the collapse zone when there is a collapse inside the borehole.

In the initial state, the sampling claw 32 and the sampling tube 3 enclose a closed cylindrical tube; during the sample, clockwise rotation handle 2, transfer sampling cylinder 3 to the inside degree of depth of treating the sample of drilling, then anticlockwise rotation handle 2, handle 2 drives drive shaft 351 anticlockwise rotation through connecting rod 1, drive shaft 351 drives driving-disc 354 and rotates, arc wall 355 drive guide arm 3571 on driving-disc 354 outwards slides in guide slot 3561, thereby drive telescopic link 357 outwards backs down sampling claw 32 and makes sampling claw 32 open, sampling claw 32 scrapes the soil sample of drilling inside wall to inside sampling cylinder 3, the sample of completion soil.

As shown in fig. 5, the stirring blade 37 is arranged inside the sampling cylinder 3, the stirring blade 37 is fixedly connected with the driving shaft 351, the stirring blade 37 stirs and mixes the soil sample in the sampling cylinder 3, so as to reduce the processes in the subsequent assay, and the stirring blade 37 is a helical ribbon type stirring blade 37, so that the stirring effect of the stirring blade 37 is enhanced. As shown in fig. 5, in this embodiment, the second helical blade 38 is disposed outside the driving shaft 351, and when the second helical blade 38 lifts the soil sample inside the sampling cylinder 3 upwards, the soil sample is circularly inverted inside the sampling cylinder 3, so as to further enhance the stirring effect of the soil sample.

The foregoing is merely exemplary and illustrative of the present invention, and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the utility model as defined in the accompanying claims.

Claims

1. A sampling device for geological mineral exploration comprises a connecting rod and a sampling cylinder arranged at the lower end of the connecting rod, wherein the upper end of the connecting rod is connected with a handle; a driving mechanism is arranged in the sampling cylinder and comprises a driving disc and a plurality of guide sleeves arranged at the lower part of the driving disc, guide grooves are arranged at the upper parts of the guide sleeves, a sample introduction gap is arranged between the driving disc and the inner wall of the sampling cylinder, a plurality of arc-shaped grooves are arranged on the driving disc, a driving shaft is fixedly connected at the center of the driving disc, and the driving shaft is connected with a connecting rod; the middle part of the guide sleeve is movably connected with the driving shaft, a telescopic rod is connected inside the guide sleeve in a sliding mode, one end of the telescopic rod is hinged to the sliding groove, a guide rod is arranged on the upper portion of the other end of the telescopic rod, and the guide rod is installed inside the guide groove in a clearance mode.

2. The sampling device as claimed in claim 1, wherein the guide sleeve has a limiting groove at both sides thereof, the telescopic rod has a limiting rod at one end thereof at both sides thereof, and the limiting rod is installed in the limiting groove with a gap therebetween.

3. The sampling device as claimed in claim 1, wherein the connecting rod comprises a plurality of standard knots, a first connecting block is arranged at the upper end of each standard knot, a first sleeve matched with the first connecting block is arranged at the lower end of each standard knot, the first connecting blocks of adjacent standard knots are inserted into the first sleeves and connected through pins, a second sleeve is arranged in the middle of the handle, and the first connecting blocks of the upper standard knots are inserted into the second sleeves and connected through pins.

4. The sampling device for geological mineral exploration according to any of claims 1-3, wherein said sampling cylinders are provided with multiple groups, the upper ends of the sampling cylinders are provided with cylinder necks, the cylinder necks are matched with the inner walls of the lower parts of the adjacent sampling cylinders, the cylinder necks and the bottoms of the sampling cylinders are provided with pin holes, and the pin holes are provided with fixing pins; the drive shaft upper end is equipped with the second connecting block, and the drive shaft lower extreme is equipped with the third sleeve, and adjacent second connecting block is pegged graft inside the third sleeve, and the second connecting block of the top is pegged graft in the first sleeve of the standard festival of bottom.

5. The sampling device of claim 4, wherein shaft sleeves are fixedly connected to two sides of the cylinder neck, the fixing pin is movably sleeved inside the shaft sleeves, a spring is arranged inside the shaft sleeves, one end of the spring is connected with the fixing pin, and the spring and the fixing pin form a spring pin.

6. A sampling device as claimed in claim 1, wherein the end cap is of frusto-conical configuration.

7. The sampling device as claimed in claim 5, wherein a drill bit is provided at a lower end of the sampling cylinder, a fixing pin is provided at an upper portion of the drill bit, a shaft sleeve is provided at one side of the fixing pin, a spring is provided inside the shaft sleeve, one end of the spring is connected to the fixing pin, the fixing pin of the drill bit is detachably inserted into the pin hole at a lower portion of the sampling cylinder, a third connecting block is provided at an upper portion of the drill bit, and the third connecting block is inserted into a third sleeve at a lower end of the sampling cylinder at the lowest portion.

8. A sampling device for geological mineral exploration according to claim 7, wherein said drill head is externally provided with a first helical blade.

9. The sampling device of claim 1, wherein the sampling barrel is internally provided with a stirring blade, the stirring blade is fixedly connected with the driving shaft, and the stirring blade is a helical stirring blade.

10. A sampling device for geological mineral exploration according to claim 9, wherein said drive shaft is externally provided with a second helical blade.