Down-hole rapid sampling device

Abstract

The utility model discloses down-the-hole rapid sampling equipment which comprises a lifting assembly used for releasing and recycling the equipment, a connecting assembly is arranged at the bottom of the lifting assembly, a winding assembly is arranged in the connecting assembly, a sampling assembly capable of telescopically touching rock soil is arranged on the peripheral side of the winding assembly, and the sampling assembly comprises a supporting cylinder. A sampling tube is slidably inserted in the middle of the supporting cylinder, a spring is fixedly arranged between the sampling tube and the supporting cylinder, a connecting rope is arranged at one end, close to the spring, of the sampling tube, and a drill bit is arranged at the other end of the sampling tube. According to the utility model, the sampling tube is pushed by the spring to pop up, so that the protective shell is fixed while rapid sampling is realized, continuous sampling is facilitated, and the representativeness of down-the-hole samples is improved; the connecting ropes are wound on the winding roller, the winding roller is rotated to drive the four connecting ropes to be tightened at the same time, the sampling pipe is pulled to reset, the sampling efficiency is improved, and the sampling pipe is stored in the supporting cylinder when not used, so that the sampling pipe is convenient to store and transport.

Description

TECHNICAL FIELD

[0001] The utility model belongs to soil sampling technical field, especially, relate to a quick sampling equipment for down -the -hole. BACKGROUND

[0002] Down -the -hole refers to the utilization specific drilling equipment, the stratum below ground surface or below water body is drilled out a cylindrical hole. The purpose of this hole is wide, for example, obtains the underground rock core sample in geological exploration, constructs the oil well passage in oil exploitation, carries out the foundation pile hole construction in building engineering etc. When looking for mineral resources, obtains the rock core sample of different depth through down -the -hole drilling, analyzes the mineral composition, structure etc. of rock, to determine the reserves and distribution of mineral products.

[0003] Contrast the Chinese patent with the publication No. CN 110231193 B discloses a kind of quick sampling device for soil, belongs to soil sampling technical field, including sampling cylinder, soil extractor, drill rod, motor and rotary drill bit;Sampling cylinder inside is provided with collection cavity along the axial direction and at least one soil collection cavity along the axial direction, which penetrates the top wall and bottom wall of sampling cylinder, and collection cavity is adjacent with soil collection cavity and communicates through at least one through hole;The upper end of soil extractor is located outside the top wall of sampling cylinder, and the lower end is inserted into and extends to the bottom end of soil collection cavity through soil collection cavity, for taking out the soil sample in soil collection cavity;The upper end of drill rod is located outside the top wall of sampling cylinder, and the lower end is inserted into and extends to the bottom end of collection cavity through collection cavity;Motor is connected with the lower end of drill rod;Rotary drill bit is connected with the output shaft of motor.

[0004] The above-mentioned patent has the following disadvantages: the bottom drill bit can only be used for sampling the surface layer and the bottom of the hole, the sampling representativeness is poor, and the sample is uneven, resulting in a gap between the sample grade and the actual product grade. UTILITY MODEL CONTENTS

[0005] The utility model discloses a kind of quick sampling equipment for down -the -hole, including the lifting assembly for putting out and recycling equipment, the bottom of the lifting assembly is provided with connecting assembly, the inside of the connecting assembly is provided with winding assembly, the outer circumferential side of the winding assembly is provided with telescopic touch rock-soil sampling assembly.

[0006] The lifting assembly includes a mounting seat, a winding roller is rotatably arranged in the middle of the mounting seat, and a first motor is arranged on one side of the winding roller.

[0007] The sampling assembly includes a support cylinder, a sampling pipe is slidably arranged in the middle of the support cylinder, a spring is fixedly arranged between the sampling pipe and the support cylinder, a connecting rope is arranged at one end of the sampling pipe close to the spring, and a drill bit is arranged at the other end of the sampling pipe.

[0008] The lifting assembly includes a mounting seat, a winding roller is rotatably arranged in the middle of the mounting seat, and a first motor is arranged on one side of the winding roller.

[0009] When the equipment reaches the designated depth, the rock-soil sample is brought into the sampling tube by extending the drill bit and winding the wire around the winding roller.

[0010] The connecting assembly comprises a protective shell, a second motor is mounted in the middle of the protective shell, and a plugboard is arranged at the output end of the second motor.

[0011] The winding assembly comprises a connecting frame, a winding roller is rotatably arranged at the top of the connecting frame, and a clamping groove is arranged in the middle of the winding roller.

[0012] As a preferred embodiment of the above technical scheme, the plugboard is connected with the protective shell through bearings, the plugboard is connected with the winding roller through sliding insertion, and the winding roller is connected with the connecting frame through bearings.

[0013] The plugboard is inserted into the clamping groove matched with the shape, so that the winding roller is connected with the motor output shaft, and the maintenance and replacement of the components are facilitated.

[0014] As a preferred embodiment of the above technical scheme, a sampling port is arranged at one end of the drill bit, and the support cylinder is fixedly connected with the protective shell through end bolts.

[0015] By sampling in four directions along the wall of the hole, the samples are mixed in four parts during analysis, so that the scientific nature of the submersible hole sampling is ensured, and the daily geological production ore blending can be better guided.

[0016] The beneficial effects of the utility model are as follows:

[0017] 1. The sampling tube is pushed out by the spring, the protective shell is fixed, and the sampling is quickly taken, so that continuous sampling is facilitated, and the representativeness of the submersible hole sample is improved.

[0018] 2. The connecting ropes are wound on the winding roller, and rotating the winding roller can simultaneously tighten the four connecting ropes, so that the sampling tube is reset, the sampling efficiency is improved, and the sampling tube is stored in the support cylinder when not in use, so that storage and transportation are facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The structure schematic diagram of the device as a whole is shown.

[0020] Figure 2 The structure schematic diagram of the connecting assembly is shown.

[0021] Figure 3 The structure schematic diagram of the winding assembly is shown.

[0022] Figure 4 The structure schematic diagram of the sampling assembly is shown.

[0023] In the drawing marks: 1, lifting assembly; 101, mounting seat; 102, winding roller; 103, No. 1 motor; 2, connecting assembly; 201, protective shell; 202, plugboard; 203, No. 2 motor; 3, winding assembly; 301, connecting frame; 302, winding roller; 303, clamping groove; 4, sampling assembly; 401, support cylinder; 402, sampling tube; 403, drill bit; 404, spring; 405, connecting rope. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the utility model embodiment more clear, the utility model technical scheme will be described clearly and completely below in combination with embodiments.

[0025] Figure 1 - Figure 4 A quick sampling device for borehole, comprising a lifting assembly 1 for releasing and recovering the device, the lifting assembly 1 is provided with a connecting assembly 2 at the bottom, the connecting assembly 2 is internally provided with a winding assembly 3, and the winding assembly 3 is provided with a sampling assembly 4 for touching the rock-soil in an extension mode at the outer circumferential side.

[0026] Figure 2 In the lifting assembly 1, the mounting seat 101 is provided with a winding roller 102 rotatably arranged in the middle, and the winding roller 102 is provided with a No. 1 motor 103 at one side.

[0027] The No. 1 motor 103 is started to drive the winding roller 102 to release the lifting rope, and the device is lowered to a specified height in the borehole, and the device is recovered after the sample collection is completed.

[0028] Figure 2 In the connecting assembly 2, the protective shell 201 is internally provided with a No. 2 motor 203, the No. 2 motor 203 is provided with a plugboard 202 at the output end, and the plugboard 202 is bearing-connected with the protective shell 201.

[0029] The protective shell 201 is moved to a specified height in the borehole, the No. 2 motor 203 is started to drive the plugboard 202 to rotate and control the sampling tube 402 to be released or retracted.

[0030] Figure 3 In the winding assembly 3, the connecting frame 301 is provided with a winding roller 302 rotatably arranged at the top, the winding roller 302 is provided with a clamping groove 303 in the middle, the plugboard 202 is slidingly connected with the winding roller 302, and the winding roller 302 is bearing-connected with the connecting frame 301.

[0031] The No. 2 motor 203 drives the winding roller 302 to rotate through the plugboard 202, the winding roller 302 winds the connecting rope 405, the sampling tube 402 is pulled to slide inward along the support cylinder 401, until it is completely accommodated therein, and the recovery of the sampling tube 402 is completed.

[0032] Figure 3 Figure 4 In the middle, the sampling assembly 4 includes a support cylinder 401, a sampling pipe 402 is slidably arranged in the middle of the support cylinder 401, a spring 404 is fixedly arranged between the sampling pipe 402 and the support cylinder 401, a connecting rope 405 is arranged at one end of the sampling pipe 402 close to the spring 404, a drill bit 403 is arranged at the other end of the sampling pipe 402, a sampling port is formed at one end of the sampling pipe 402 close to the drill bit 403, and the support cylinder 401 is fixedly connected with the protective shell 201 through end bolts.

[0033] When the connecting rope 405 is relaxed, the support cylinder 401 supports the spring 404 to push the sampling pipe 402 outward through the elastic force until the drill bit 403 is inserted into the soil, and the rock-soil sample is brought into the sampling pipe 402 through the extension drill bit 403 and the take-up of the winding roller 102.

[0034] The above examples are only used to illustrate the technical solutions of the present application, and not to limit them.​

Claims

1. A down-the-hole rapid sampling apparatus comprising a lifting assembly (1) for launching and retrieving the apparatus, characterized in that: The lifting assembly (1) bottom is provided with a connecting assembly (2), the connecting assembly (2) is provided with a winding assembly (3) inside, the winding assembly (3) is provided with a telescopic touch soil sampling assembly (4) on the outer periphery side; The sampling assembly (4) includes a support cylinder (401), a sampling pipe (402) is slidably inserted in the middle of the support cylinder (401), a spring (404) is fixedly arranged between the sampling pipe (402) and the support cylinder (401), a connecting rope (405) is arranged on one end of the sampling pipe (402) close to the spring (404), and a drill bit (403) is arranged on the other end of the sampling pipe (402).

2. A downhole rapid sampling apparatus according to claim 1, wherein: The lifting assembly (1) includes a mounting seat (101), a winding roller (102) is rotatably arranged in the middle of the mounting seat (101), and a first motor (103) is arranged on one side of the winding roller (102).

3. A downhole rapid sampling apparatus as defined in claim 1, wherein: The connecting assembly (2) includes a protective shell (201), a second motor (203) is mounted in the middle of the protective shell (201), and a plugboard (202) is arranged on the output end of the second motor (203).

4. A downhole rapid sampling apparatus according to claim 3, wherein: The winding assembly (3) includes a connecting frame (301), a winding roller (302) is rotatably arranged on the top of the connecting frame (301), and a clamping groove (303) is arranged in the middle of the winding roller (302).

5. A downhole rapid sampling apparatus according to claim 3, wherein: The plugboard (202) is connected with the bearing of the protective shell (201).

6. A downhole rapid sampling apparatus according to claim 4, wherein: The plugboard (202) is connected with the sliding insertion of the winding roller (302), and the winding roller (302) is connected with the bearing of the connecting frame (301).

7. A downhole rapid sampling apparatus as defined in claim 3, wherein: The sampling pipe (402) is provided with a sampling port on one end close to the drill bit (403), and the support cylinder (401) is fixedly connected with the protective shell (201) through end bolts.

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