CN111929100B - Hydrogeology surveys sampling device - Google Patents

Hydrogeology surveys sampling device Download PDF

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Publication number
CN111929100B
CN111929100B CN202010954472.6A CN202010954472A CN111929100B CN 111929100 B CN111929100 B CN 111929100B CN 202010954472 A CN202010954472 A CN 202010954472A CN 111929100 B CN111929100 B CN 111929100B
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China
Prior art keywords
sampling
sampling device
base
rod
motor
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CN202010954472.6A
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CN111929100A (en
Inventor
李雪
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Shandong Institute of Geophysical and Geochemical Exploration
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Shandong Institute of Geophysical and Geochemical Exploration
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/04Devices for withdrawing samples in the solid state, e.g. by cutting
    • G01N1/08Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A90/00Technologies having an indirect contribution to adaptation to climate change
    • Y02A90/30Assessment of water resources

Abstract

The invention belongs to the technical field of sampling equipment, and particularly relates to a hydrogeological detection sampling device which comprises a base and a sampling head, wherein a movable bottom rod is rotatably connected to the base through a rotating shaft, a top plate is arranged at the top end of the base in parallel, two movable ejector rods are symmetrically and slidably connected to the bottom surface of the top plate, the movable bottom rod is movably connected inside the movable ejector rods, a movable bottom rod, the movable ejector rods, a second knob, a bidirectional screw rod, a support rod and a sliding block are arranged between the base and the top plate, the movable bottom rod and the movable ejector rods can be conveniently adjusted, the sampling head is guaranteed to be vertical to the ground for sampling, the representativeness of sampling is guaranteed, a sampling shell is arranged inside the top plate, a first motor, a sliding rod, a sliding block, a gear, a second motor and a rack are arranged inside the sampling shell, geological sampling is convenient, manpower is saved, the sampling efficiency is improved, and a push plate, a jacking spring and a push rod are arranged on the top plate, so that geological samples can be conveniently taken out from the sampling head.

Description

Hydrogeology surveys sampling device
Technical Field
The invention belongs to the technical field of sampling equipment, and particularly relates to a hydrogeological detection sampling device.
Background
Hydrogeology, geology branch subject, referring to the phenomenon of various changes and movements of groundwater in nature, hydrogeology is the science of studying groundwater, with the needs of development and production construction of science, hydrogeology is divided into branch subjects such as regional hydrogeology, groundwater dynamics, hydrology geochemistry, water supply hydrogeology, deposit hydrogeology, soil improvement hydrogeology, etc., when carrying out the hydrogeology to survey, it is usually necessary to use a sampling device to sample, when carrying out the sample, it is necessary to guarantee that the insertion point of the sampling head is vertical to the bottom surface, guarantee the integrality of the sample, when carrying out the hydrogeology survey, researchers generally take out the soil from the bottom surface manually to carry out the hydrogeology survey, the work efficiency is low, can not sample the deep geology, and at the same time can not guarantee that the sampling head is horizontal to the ground, and the sample can not be sampled, when taking out the geological sample from the sampling head to deposit, the layered structure is easily destroyed, and the accuracy of the sample is influenced.
Disclosure of Invention
To solve the problems set forth in the background art described above. The invention provides a hydrogeological detection sampling device which has the characteristics of convenience for vertical sampling of a sampling head, simple structure, improvement on working efficiency and labor saving.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a hydrogeology surveys sampling device, includes base and sampling head, the base is rotated through the pivot and is connected with the activity sill bar, the top parallel arrangement of base has the roof, the bottom surface symmetry sliding connection of roof has two activity ejector pins, the activity sill bar is at the inside swing joint of activity ejector pin, the inside of activity ejector pin is rotated and is connected with two-way lead screw, one side of two-way lead screw is connected with the second knob, the symmetry closes soon on the two-way lead screw and is connected with two sliders, two the bottom of slider is rotated through the pivot and is connected with the bracing piece, two the other end of bracing piece is rotated through same pivot and is connected on the top of activity sill bar, and two spinal branch vaulting poles are eight characters type and arrange.
According to the preferable technical scheme of the hydrogeological detection sampling device, the top plate is internally connected with a sampling shell in a penetrating mode, the sampling shell is internally and movably connected with a movable plate, the top end of the movable plate is connected with a first motor, the sampling head is fixedly connected to an output shaft of the first motor, the back face of the sampling shell is connected with a second motor in a sliding mode, an output shaft of the second motor is sleeved with a gear, the output shaft of the second motor is rotatably connected with the movable plate through a bearing, one side of the interior of the sampling shell is connected with a rack, and the rack is meshed with the gear.
As a preferred technical scheme of the hydrogeological detection sampling device, sliding blocks are symmetrically connected to two sides of the movable plate, sliding rods are symmetrically connected to the inner wall of the sampling shell, and the sliding blocks are connected to the sliding rods in a sleeved mode.
As a preferable technical scheme of the hydrogeological detection sampling device, the two sides of the base are symmetrically screwed and connected with the grounding bolt, and the top end of the grounding bolt is connected with the first knob.
As a preferable technical scheme of the hydrogeological detection sampling device, a through hole is formed in the base, and the sampling head moves in the through hole.
As a preferable technical scheme of the hydrogeological detection sampling device, the top end of the movable bottom rod is provided with a limiting block, and the limiting block is positioned inside the movable top rod.
As a preferable technical scheme of the hydrogeological detection sampling device, a trolley handle is arranged on the surface of the base.
As a preferable technical scheme of the hydrogeological detection sampling device, a push rod is movably connected inside the top plate, the bottom end of the push rod is connected with a push plate, a jacking spring is sleeved on the push rod, the bottom end of the jacking spring is connected with the top plate, the top end of the jacking spring is connected with the push rod, and the push plate is located above the sampling head.
Compared with the prior art, the invention has the beneficial effects that: install movable sill bar between base and roof, the activity ejector pin, the second knob, two-way lead screw, the bracing piece, the slider, conveniently adjust movable sill bar and activity ejector pin, guarantee sample connection and the perpendicular sample in ground, guarantee the representativeness of sample, at the internally mounted sample shell of roof, at the first motor of internally mounted of sample shell, the slide bar, the sliding block, the gear, the second motor, the rack, conveniently take a sample to the geology, use manpower sparingly, improve sampling efficiency, install the push pedal on the roof, push up tight spring and push rod, conveniently take out the geology sample from the sample connection.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the movable carrier rod of the present invention;
FIG. 3 is a schematic view of the internal structure of the sampling housing according to the present invention;
FIG. 4 is a schematic side view of a sampling housing according to the present invention;
FIG. 5 is an enlarged schematic view of the structure at A in FIG. 3;
FIG. 6 is a schematic structural view of a push rod according to the present invention;
in the figure: 1. a base; 2. a movable plate; 3. a sampling head; 4. a movable bottom rod; 5. a movable ejector rod; 6. a top plate; 7. a sampling housing; 8. a ground bolt; 9. a first knob; 10. a second knob; 11. a bidirectional screw rod; 12. a support bar; 13. a slider; 14. a first motor; 15. a slide bar; 16. a slider; 17. a gear; 18. a second motor; 19. a rack; 20. pushing the plate; 21. the spring is tightly propped; 22. a push rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.
Examples
Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a hydrogeology surveys sampling device, including base 1 and sampling head 3, base 1 rotates through the pivot to be connected with movable sill bar 4, base 1's top parallel arrangement has roof 6, the bottom surface symmetry sliding connection of roof 6 has two movable ejector pins 5, movable sill bar 4 is at the inside swing joint of movable ejector pin 5, the inside of movable ejector pin 5 is rotated and is connected with two-way lead screw 11, one side of two-way lead screw 11 is connected with second knob 10, the symmetry closes soon on the two-way lead screw 11 and is connected with two sliders 13, the bottom of two sliders 13 is rotated through the pivot and is connected with bracing piece 12, the other end of two bracing pieces 12 rotates the top of connecting at movable sill bar 4 through same pivot, two bracing pieces 12 are eight characters type and arrange.
In this embodiment, the first knob 9 is rotated to fix the ground bolt 8 to the ground, and the second knob 10 is rotated to drive the bidirectional screw rod 11 to rotate, so that the slider 13 rotates to open the support rod 12 under the action of the rotating shaft, so that the length between the movable bottom rod 4 and the movable top rod 5 is changed, the top plate 6 is inclined under the action of the rotating shaft, and the sampling head 3 is ensured to be inserted into the ground vertically.
Specifically, the inside through connection of roof 6 has sample shell 7, the inside swing joint of sample shell 7 has fly leaf 2, the top of fly leaf 2 is connected with first motor 14, sampling head 3 fixed connection is on the output shaft of first motor 14, the back sliding connection of sample shell 7 has second motor 18, gear 17 has been cup jointed on the output shaft of second motor 18, the output shaft of second motor 18 passes through the bearing with fly leaf 2 and rotates and be connected, the inside one side of sample shell 7 is connected with rack 19, rack 19 and gear 17 mesh.
In this embodiment, the first motor 14 in the sampling housing 7 is started to drive the sampling head 3 to rotate, the second motor 18 is started to drive the gear 17 to rotate, and due to the engagement of the rack 19 and the gear 17, the gear 17 rotates along the rack 19, so that the movable plate 2 moves up and down, the sampling head 3 is controlled to move, and the hydrogeology is sampled.
Specifically, the two sides of the movable plate 2 are symmetrically connected with sliding blocks 16, the inner wall of the sampling shell 7 is symmetrically connected with sliding rods 15, and the sliding blocks 16 are sleeved on the sliding rods 15.
In this embodiment, when the movable plate 2 moves up and down, the sliding block 16 slides up and down along the sliding rod 15 to define the motion track of the movable plate 2, and the movable plate 2 is placed to rotate.
Specifically, the two sides of the base 1 are symmetrically screwed with the grounding bolts 8, and the top ends of the grounding bolts 8 are connected with the first knobs 9.
In this embodiment, the sampling device is pushed to a designated position, and the first knob 9 is rotated to fix the ground bolt 8 to the ground.
Specifically, in the through-hole was seted up to base 1's inside, the sample head 3 was in the through-hole activity.
In this embodiment, sampling head 3 is at the through-hole internalization, makes things convenient for sampling head 3 to carry out pattern work to hydrogeology.
Specifically, the top end of the movable bottom rod 4 is provided with a limiting block, and the limiting block is positioned inside the movable top rod 5.
In this embodiment, the stopper is installed on the top of activity sill bar 4, avoids activity sill bar 4 to deviate from activity ejector pin 5, influences the use.
Specifically, a cart handle is mounted on the surface of the base 1.
In this embodiment, promote the shallow handle, promote sampling device to the assigned position, make things convenient for sampling device's removal.
Specifically, the inside swing joint of roof 6 has push rod 22, and the bottom of push rod 22 is connected with push plate 20, has cup jointed the tight spring 21 in top on the push rod 22, and the bottom of the tight spring 21 in top links to each other with roof 6, and the top of the tight spring 21 in top links to each other with push rod 22, and push plate 20 is located the top of sampling head 3.
In this embodiment, the push rod 22 is pressed downward, so that the push plate 20 moves downward, and the tightening spring 21 contracts to eject out a geological sample inside the sampling head 3, so that a sample storage bottle is placed at the bottom of the sampling head 3, and the push rod 22 is released, so that the tightening spring 21 expands to reset the push rod 22.
The working principle and the using process of the invention are as follows: after the sampling device is installed, the trolley handle is pushed, the sampling device is pushed to a specified position, the first knob 9 is rotated to fix the grounding bolt 8 with the ground, the second knob 10 is rotated to drive the bidirectional screw rod 11 to rotate, the slide block 13 is rotated to open the support rod 12 under the action of the rotating shaft, the length between the movable bottom rod 4 and the movable ejector rod 5 is changed, the top plate 6 is inclined under the action of the rotating shaft, the sampling head 3 is ensured to be inserted into the ground vertically, the first motor 14 in the sampling shell 7 is started to drive the sampling head 3 to rotate, the second motor 18 is started to drive the gear 17 to rotate, the gear 17 is meshed with the gear 17 due to the rack 19, the movable plate 2 is moved up and down, the sampling head 3 is controlled to move, hydrogeology is sampled, the push rod 22 is pressed downwards, the push plate 20 is moved downwards, the push spring 21 is contracted at the same time, geological samples in the sampling head 3 are ejected, a sample storage bottle is placed at the bottom of the sampling head 3, the push rod 22 is loosened, and the push rod 21 is reset and relaxed.
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 may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. The utility model provides a hydrogeology surveys sampling device, includes base (1) and sampling head (3), its characterized in that: base (1) rotates through the pivot to be connected with activity sill bar (4), the top parallel arrangement of base (1) has roof (6), the bottom surface symmetry sliding connection of roof (6) has two activity ejector pins (5), activity sill bar (4) is at the inside swing joint of activity ejector pin (5), the inside of activity ejector pin (5) is rotated and is connected with two-way lead screw (11), one side of two-way lead screw (11) is connected with second knob (10), the symmetry closes soon on two-way lead screw (11) and is connected with two slider (13), two the bottom of slider (13) is rotated through the pivot and is connected with bracing piece (12), two the other end of bracing piece (12) is rotated through same pivot and is connected on the top of activity sill bar (4), and two bracing pieces (12) are eight characters type and arrange.
2. The hydrogeological detection sampling device of claim 1, wherein: the inside through connection of roof (6) has sample shell (7), the inside swing joint of sample shell (7) has fly leaf (2), the top of fly leaf (2) is connected with first motor (14), sampling head (3) fixed connection is on the output shaft of first motor (14), the back sliding connection of sample shell (7) has second motor (18), gear (17) have been cup jointed on the output shaft of second motor (18), the output shaft of second motor (18) passes through the bearing rotation with fly leaf (2) and is connected, inside one side of sample shell (7) is connected with rack (19), rack (19) and gear (17) meshing.
3. The hydrogeological detection sampling device of claim 2, wherein: the both sides symmetry of fly leaf (2) is connected with sliding block (16), the inner wall internal symmetry of sample shell (7) is connected with slide bar (15), sliding block (16) cup joint on slide bar (15).
4. The hydrogeological detection sampling device of claim 1, wherein: the two sides of the base (1) are symmetrically screwed and connected with a grounding bolt (8), and the top end of the grounding bolt (8) is connected with a first knob (9).
5. The hydrogeological detection sampling device of claim 1, wherein: in the through-hole was seted up to the inside of base (1), sample head (3) are at the through-hole internalization.
6. The hydrogeological detection sampling device of claim 1, wherein: the top end of the movable bottom rod (4) is provided with a limiting block, and the limiting block is positioned inside the movable ejector rod (5).
7. The hydrogeological detection sampling device of claim 1, wherein: the surface of the base (1) is provided with a trolley handle.
8. The hydrogeological detection sampling device of claim 1, wherein: the inside swing joint of roof (6) has push rod (22), the bottom of push rod (22) is connected with push pedal (20), tight spring in top (21) have been cup jointed on push rod (22), the bottom of tight spring in top (21) links to each other with roof (6), the top of tight spring in top (21) links to each other with push rod (22), push pedal (20) are located the top of sampling head (3).
CN202010954472.6A 2020-09-11 2020-09-11 Hydrogeology surveys sampling device Active CN111929100B (en)

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CN113640056B (en) * 2021-08-23 2023-02-21 安徽清大云博环保科技有限公司 Quick sampling mechanism for silicate ion detection
CN114184418B (en) * 2021-12-09 2023-10-27 山东省物化探勘查院 Geological exploration crushing and sampling device

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207181074U (en) * 2017-09-25 2018-04-03 冮爽 Heavy metal-polluted soil detects sampling equipment
CN208780497U (en) * 2018-09-06 2019-04-23 谈城 A kind of Geological Engineering sampler
CN209802727U (en) * 2019-04-19 2019-12-17 广东省海洋地质调查院 Rock-soil sampling device for marine geological survey
CN110593241A (en) * 2019-09-24 2019-12-20 北京享云智汇科技有限公司 Soil sampling system for highway engineering and stabilizing mechanism thereof
CN209857812U (en) * 2019-06-03 2019-12-27 青岛三众合机械科技有限公司 Novel examine a workstation that car was used
CN209979274U (en) * 2019-05-29 2020-01-21 长江大学 Engineering geology investigation sampling device
CN110967214A (en) * 2019-11-04 2020-04-07 陕西众策网络科技发展有限公司 Sampling device for deep soil detection
CN210954377U (en) * 2019-12-18 2020-07-07 青海九0六工程勘察设计院 Hydrogeology detecting device
CN211042775U (en) * 2019-10-25 2020-07-17 王宝红 Sampler for geological environment monitoring
CN211205828U (en) * 2019-12-10 2020-08-07 海南鑫尚德工程技术有限公司 Geological detection sampling device
JP6739719B1 (en) * 2019-07-15 2020-08-12 温州▲てい▼安智能科技有限公司 Mining shaft drilling equipment to prevent collapse
CN211258489U (en) * 2019-11-24 2020-08-14 杜文新 Coal mine geological drilling sampling device
CN211292146U (en) * 2019-12-06 2020-08-18 褚文文 Medical science inspection micro sampler

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2996641B1 (en) * 2012-10-05 2016-07-15 Alci VEGETABLE EQUIPMENT SAMPLING TOOL, AUTOMATIC COMPRISING IT, SAMPLING CELL COMPRISING SUCH A PLC AND METHOD OF SAMPLING

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207181074U (en) * 2017-09-25 2018-04-03 冮爽 Heavy metal-polluted soil detects sampling equipment
CN208780497U (en) * 2018-09-06 2019-04-23 谈城 A kind of Geological Engineering sampler
CN209802727U (en) * 2019-04-19 2019-12-17 广东省海洋地质调查院 Rock-soil sampling device for marine geological survey
CN209979274U (en) * 2019-05-29 2020-01-21 长江大学 Engineering geology investigation sampling device
CN209857812U (en) * 2019-06-03 2019-12-27 青岛三众合机械科技有限公司 Novel examine a workstation that car was used
JP6739719B1 (en) * 2019-07-15 2020-08-12 温州▲てい▼安智能科技有限公司 Mining shaft drilling equipment to prevent collapse
CN110593241A (en) * 2019-09-24 2019-12-20 北京享云智汇科技有限公司 Soil sampling system for highway engineering and stabilizing mechanism thereof
CN211042775U (en) * 2019-10-25 2020-07-17 王宝红 Sampler for geological environment monitoring
CN110967214A (en) * 2019-11-04 2020-04-07 陕西众策网络科技发展有限公司 Sampling device for deep soil detection
CN211258489U (en) * 2019-11-24 2020-08-14 杜文新 Coal mine geological drilling sampling device
CN211292146U (en) * 2019-12-06 2020-08-18 褚文文 Medical science inspection micro sampler
CN211205828U (en) * 2019-12-10 2020-08-07 海南鑫尚德工程技术有限公司 Geological detection sampling device
CN210954377U (en) * 2019-12-18 2020-07-07 青海九0六工程勘察设计院 Hydrogeology detecting device

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