Hydrogeological sampling device

By designing components such as supports and hydraulic rods, the problems of soil collapse and drill pipe swaying in loose soil were solved, thus achieving stability and integrity in hydrogeological sampling.

CN223756359UActive Publication Date: 2026-01-02THE SECOND HYDROGEOLOGY & ENG GEOLOGY BRIGADE OF SHANDONG PROVINCIAL BUREAU OF GEOLOGICAL EXPLORATION (SHANDONG LUBEI GEOLOGICAL & ENG SURVEY INST)
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Patent Information

Application Number
CN202422835789.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-20
Publication Date
2026-01-02
Estimated Expiration
2034-11-20

AI Technical Summary

Technical Problem

Existing hydrogeological sampling equipment is prone to causing soil collapse and drill pipe shaking in loose soil, affecting soil integrity and drill pipe stability.

Method used

The design employs a combination of brackets, positioning hydraulic rods, lead screws, rotary motors, lifting components, and closing components. It utilizes an annular airbag inflated by an air pump to prevent soil collapse and uses positioning hydraulic rods to prevent the drill barrel from shaking.

Benefits of technology

It effectively maintains soil integrity, prevents the drill pipe from collapsing and shaking in loose soil, and ensures the stability and accuracy of the sampling process.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223756359U_ABST
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Abstract

The hydrogeological sampling device comprises a support, a positioning hydraulic rod, a lead screw, a mounting plate, a drilling barrel, a rotating motor, a lifting assembly and a closing-in assembly, the support is provided with a bottom plate, a vertical plate and a top plate, inclined tables are arranged on the two sides of the bottom plate, and an opening extending out of the drilling barrel is formed in the middle of the bottom plate; the positioning hydraulic rods are arranged on inclined tables on the two sides of the bottom plate, a plurality of lead screws are rotationally connected between the bottom plate and the top plate, one ends of the lead screws penetrate through the top plate, the lifting assembly is arranged on the end face of the top plate and used for driving the lead screws to rotate, the mounting plate is meshed with the lead screws, and the rotating motor is arranged on the top end face of the mounting plate. The drilling barrel is rotationally connected to the middle of the mounting plate, an output shaft of the rotating motor is fixedly connected with the top of the drilling barrel, and the closing-in assembly is arranged at an opening in the bottom of the drilling barrel; after the drilling barrel is adopted, the air pump inflates the air bag, so that the air bag expands to extrude soil at the opening of the drilling barrel, and the soil cannot collapse or fall off in the ascending process of the drilling barrel.
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Description

TECHNICAL FIELD

[0001] The utility model relates to geological sampling technical field, in particular to a hydrogeological sampling device. BACKGROUND

[0002] Hydrogeological exploration sampling can master the genesis, distribution and movement law of underground water and surface water, the existing hydrogeological sampling equipment is through the drilling cylinder to the land drilling, and the drilling cylinder keeps going down in the soil, thereby sampling the soil of different depths, but when sampling in the loose soil area, the soil is easy to collapse and fall in the drilling cylinder ascending process, thereby being not favorable to the soil keeping integrity, and the existing sampling equipment is not provided with additional reinforcing device when the drilling cylinder drills into the ground, so that the drilling cylinder is easy to shake in the drilling process, thereby causing the drilling cylinder unable to drill into the ground smoothly, therefore, the hydrogeological sampling device is designed to solve the above problems. SUMMARY

[0003] In view of the deficiency of the existing geological sampling device, the utility model aims at providing a hydrogeological sampling device, which has the advantages of keeping soil integrity, preventing the drilling cylinder from shaking and displacing and the like.

[0004] To achieve the above object, one technical scheme of the utility model is: a hydrogeological sampling device, which comprises a support, a positioning hydraulic rod, a lead screw, a mounting plate, a drilling cylinder, a rotary motor, a lifting assembly and a closing assembly, the support has a bottom plate, a vertical plate and a top plate, the bottom plate has inclined inclined tables on both sides, the bottom plate has an opening extending the drilling cylinder in the middle, the positioning hydraulic rod is arranged on the inclined tables on both sides of the bottom plate, the vertical plate is vertically arranged in the middle of the bottom plate, the top plate is arranged on the top of the vertical plate and parallel to the bottom plate, a plurality of lead screws are rotatably connected between the bottom plate and the top plate, one end of the lead screw penetrates the top plate, the lifting assembly is arranged on the end face of the top plate and used for driving the lead screw to rotate, the mounting plate is engaged with the lead screw, the rotary motor is arranged on the top end face of the mounting plate, the drilling cylinder is rotatably connected in the middle of the mounting plate, the output shaft of the rotary motor is fixedly connected with the top of the drilling cylinder, and the closing assembly is arranged on the opening in the bottom of the drilling cylinder.

[0005] Preferably, the lifting assembly has a lifting motor, a synchronous wheel and a synchronous belt, the synchronous wheel is sleeved on the top end of the lead screw, the output shaft of the lifting motor is fixedly connected with one end of any lead screw, the lifting motor is fixedly connected with the top plate through a mounting frame, and the synchronous belt is sleeved on the outer edge of the synchronous wheel and is driven; when the lifting motor is started, one side of the lead screw drives the other side of the lead screw to rotate through the synchronous belt and the synchronous wheel, so that the mounting plate can be synchronously driven to move along the lead screw.

[0006] Preferably, the closing assembly has a ring-shaped air bag and an air pump, the ring-shaped air bag is arranged on the inside of the drill cylinder opening, the air pump is arranged on the end face of the mounting plate, and the air pump is communicated with the ring-shaped air bag through the air channel arranged in the drill cylinder and the mounting plate; when the air pump works to inflate the air bag, the air bag expands to press the soil at the drill cylinder opening, so that the soil in the drill cylinder does not collapse and fall during the rising process of the drill cylinder.

[0007] Preferably, the bottom end face of the bracket bottom plate further has a plurality of universal wheels for movement.

[0008] The beneficial effects of the utility model are: 1. after the completion of the drill cylinder, when the air pump inflates the air bag, the air bag expands to press the soil at the drill cylinder opening, so that the soil in the drill cylinder does not collapse and fall during the rising process of the drill cylinder; 2. before the soil sampling work is carried out, the positioning hydraulic rod on both sides is started to extend, the hydraulic positioning rod is inserted into the soil in an inclined state to position, so that the drill cylinder is prevented from easily shaking and moving during the drilling process. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 It is a sectional structure view of the utility model.

[0010] Figure 2 It is a sectional structure view of the utility model in the sampling completion state.

[0011] Figure 3 It is the utility model Figure 1 The local enlarged view of the I area.

[0012] Figure 4 It is the utility model Figure 1 The local enlarged view of the II area.

[0013] Figure 5 It is the utility model Figure 2 The local enlarged view of the III area. DETAILED DESCRIPTION

[0014] The preferred embodiments of the utility model will be described in detail below with reference to the drawings, so that the advantages and characteristics of the utility model can be more easily understood by those skilled in the art, and the protection scope of the utility model can be more clearly and explicitly defined.

[0015] It should be noted that, in the description of the utility model, the terms "upper", "lower", "left", "right", "inner", "outer" and the like indicate the direction or positional relationship terms based on the direction or positional relationship shown in the drawings, which are only for the convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore it cannot be understood as a limitation on the utility model.

[0016] In addition, it needs to be explained that, in the description of the utility model, unless another explicit provision and limitation, the term "mount", "connect", "connect", "have", "set" should be broad understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication. For the person skilled in the art, the specific meaning of the above-mentioned term in the utility model can be understood according to the specific circumstances.

[0017] Please refer to Figures 1 to 5 The utility model embodiment includes:

[0018] A hydrogeological sampling device, including support 1, positioning hydraulic rod 2, screw rod 3, mounting plate 4, drill cylinder 5, rotating motor 6, lifting assembly 7 and close-up assembly 8, the support 1 has bottom plate 11, stand 12 and top plate 13, the bottom plate 11 both sides have inclined inclined table 14, the bottom plate 11 middle part has the opening of drill cylinder 5, the positioning hydraulic rod 2 is arranged in the inclined table 14 of bottom plate 11 both sides, the bottom plate 11 middle part is vertically provided with stand 12, the top plate 13 parallel to the bottom plate 11 is equipped with the top of stand 12, the bottom plate 11 and top plate 13 are equipped with the rotation connection of multiple screw rods 3, one end of the screw rod 3 penetrates the top plate 13, the lifting assembly 7 is arranged in the end surface of top plate 13 for driving screw rod 3 rotation, the mounting plate 4 and screw rod 3 are engaged, the rotating motor 6 is arranged in the top end surface of mounting plate 4, the drill cylinder 5 is rotationally connected in the middle part of mounting plate 4, the output shaft of rotating motor 6 and the top of drill cylinder 5 are fixedly connected, the close-up assembly 8 is arranged in the bottom opening of drill cylinder 5;

[0019] The lifting assembly 7 has lifting motor 71, synchronous wheel 72 and synchronous belt 73, the synchronous wheel 72 is sleeved on the top end of screw rod 3, the output shaft of lifting motor 71 and the one end of arbitrary screw rod 3 are fixedly connected, the lifting motor 71 is fixedly connected with top plate 13 through mounting bracket, the synchronous belt 73 is sleeved on the outer edge of synchronous wheel 72 and is driven, when the lifting motor 71 starts, one side screw rod 3 drives the other side screw rod 3 rotation through synchronous belt 73 and synchronous wheel 72 simultaneously, so that mounting plate 4 can be synchronously driven along screw rod 3 moves;

[0020] The close-up assembly 8 has ring type air bag 81 and air pump 82, the ring type air bag 81 is attached and arranged in the inner side of the opening of drill cylinder 5, the air pump 82 is arranged in the end surface of mounting plate 4, the air pump 82 is communicated with ring type air bag 81 through the air channel arranged in drill cylinder 5 and mounting plate 4, when the air pump 82 works and fills air in the air bag, the air bag expands and extrudes the soil at the opening of drill cylinder 5, so that the soil in drill cylinder 5 does not collapse and fall during the rising of drill cylinder 5;

[0021] The bottom end surface of the bottom plate 11 of the support 1 is also provided with a plurality of universal wheels 9 for movement;

[0022] Through the above setting, in the actual working process, the specific working principle is as follows:

[0023] Before the soil sampling work is carried out, the device is moved above the soil to be sampled, and then the positioning hydraulic rod 2 located on both sides of the bottom plate 11 of the support 1 is extended to make the hydraulic positioning rod tilt and insert into the soil for positioning, so as to prevent the drill cylinder 5 from easily shaking and moving during drilling;

[0024] When the device samples the soil, the rotating motor 6 and the lifting motor 71 are started, the rotating motor 6 drives the drill cylinder 5 to rotate to facilitate drilling into the ground, and the lifting motor 71 drives the two side lead screws 3 to rotate through the synchronous wheel 72 and the synchronous belt 73, thereby driving the drill cylinder 5 on the mounting plate 4 to drill into the ground;

[0025] When the drill cylinder 5 completes sampling, the air pump 82 is started to pump gas into the ring-shaped air bag 81, the air bag expands to press the soil at the opening of the drill cylinder 5, and the soil is pressed and will not directly fall from the drill cylinder 5, so that the soil in the drill cylinder 5 will not collapse and fall during the lifting of the drill cylinder 5, thereby achieving the effect of maintaining the integrity of the soil;

[0026] When the drill cylinder 5 is completely lifted, the air pump 82 pumps out the gas in the ring-shaped air bag 81, so that the ring-shaped air bag 81 shrinks and no longer presses the soil at the opening of the drill cylinder 5, so that the soil in the drill cylinder 5 can be smoothly taken out;

[0027] The above only describes the embodiments of the present application, and does not limit the patent range of the present application, any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, is also included in the patent protection range of the present application.

Claims

1. A hydrogeological sampling device, characterized in that, The device comprises a support, positioning hydraulic rod, screw rod, mounting plate, drill cylinder, rotary motor, lifting assembly and closing assembly, the support has a bottom plate, vertical plate and top plate, the bottom plate has inclined inclined table on both sides, the middle part of the bottom plate has an opening for the drill cylinder, the positioning hydraulic rod is arranged on the inclined table on both sides of the bottom plate, the vertical plate is vertically arranged in the middle part of the bottom plate, the top plate is arranged on the top of the vertical plate and parallel to the bottom plate, a plurality of screw rods are arranged between the bottom plate and the top plate and are rotatably connected, one end of the screw rod penetrates the top plate, the lifting assembly is arranged on the end face of the top plate and is used for driving the rotation of the screw rod, the mounting plate is engaged with the screw rod, the rotary motor is arranged on the top end face of the mounting plate, the drill cylinder is rotatably connected in the middle part of the mounting plate, the output shaft of the rotary motor is fixedly connected with the top part of the drill cylinder, and the closing assembly is arranged on the bottom opening of the drill cylinder. The closing assembly has a ring-shaped air bag and an air pump, the ring-shaped air bag is arranged on the inner side of the drill cylinder opening, the air pump is arranged on the end face of the mounting plate, and the air pump is communicated with the ring-shaped air bag through the air duct arranged in the drill cylinder and the mounting plate.

2. A hydrogeological sampling device according to claim 1, wherein, The lifting assembly has a lifting motor, synchronous wheel and synchronous belt, the synchronous wheel is sleeved on the top end of the screw rod, the output shaft of the lifting motor is fixedly connected with one end of any screw rod, the lifting motor is fixedly connected with the top plate through the mounting frame, and the synchronous belt is sleeved on the outer edge of the synchronous wheel for transmission.

3. A hydrogeological sampling device according to claim 1, wherein, The bottom end face of the bottom plate of the support further has a plurality of universal wheels for movement.