Sampler for core sampling

Abstract

The utility model discloses a sampler for core sampling, which relates to the technical field of samplers and comprises a mounting rack, a driver is fixedly mounted at the top of the mounting rack, a sampling tube head is fixedly mounted at one end of an output shaft of the driver, and the sampling tube head is provided with a water injection cooling component and a material returning component; according to the technical scheme provided by the utility model, the water injection cooling assembly is arranged, specifically, when the driver drives the sampling pipe head to rotate for sampling, the water pump is externally connected, the water inlet pipe is connected, and cooling water enters the sealing sleeve through the water inlet pipe and then enters the sampling pipe head through the water inlet; and the water permeates into the contact position of the sampling pipe head and the sample through the water injection tank, so that the sampling pipe head can be cooled, and the service life of the sampling pipe head is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to a sampler technical field especially for a kind of sampler for core sampling. BACKGROUND

[0002] Core sample is indispensable in the field of geological research, especially in the fields of petroleum geology, sequence stratigraphy, sedimentology, etc., for example, the identification of sedimentary facies type, the study of source system, the observation and description of mineral microscopic characteristics, U-Pb dating research and other work are all based on core sample.

[0003] A long core test sampler for oil and gas field exploration is disclosed in Chinese patent document CN 220473014U, comprising a device body and a mounting bracket, an outer frame is provided in the device body, a threaded rod is provided on the outer frame, an upper horizontal plate is provided on the top of the outer frame, and an electric motor is mounted on the upper horizontal plate, the electric motor is in transmission connection with the threaded rod, a moving block is provided on one side of the mounting bracket, and the moving block is threaded on the threaded rod, a driver and a sampling head are provided on the upper and lower ends of the mounting bracket respectively, the driver and the sampling head are in transmission connection, two groups of water storage tanks are provided on the outer frame, a water pump is provided on the water storage tank, a spray pipe is connected to one end of the water pump, and a control valve is provided on the spray pipe. Although this arrangement can cool the sampling head after sampling, the rotation of the sampling head during sampling generates friction, which generates a large amount of heat in the sampling head, which easily damages the rigidity of the sampling head, making the sampling head not durable, and after sampling, the sample is difficult to remove from the inner tube of the sampling head, so improvement is needed. SUMMARY

[0004] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a sampler for core sampling to solve the problem that in the prior art, the rotation of the sampling head during sampling generates friction, which generates a large amount of heat in the sampling head, which easily damages the rigidity of the sampling head, making the sampling head not durable, and after sampling, the sample is difficult to remove from the inner tube of the sampling head.

[0005] Therefore, the utility model provides a sampler for core sampling, which comprises a mounting bracket, a driver is fixedly installed on the top of the mounting bracket, a sampling pipe head is fixedly installed on one end of the output shaft of the driver, and a water injection cooling assembly and a material returning assembly are arranged on the sampling pipe head.

[0006] The water injection cooling assembly comprises a plurality of water injection grooves, a sealing sleeve, a sealing ring, a water inlet pipe and a water inlet, the plurality of water injection grooves are formed in the inner wall of the sampling pipe head, the sealing sleeve is sleeved on one end of the top of the sampling pipe head, the sealing ring is fixedly installed on the inner side of the sealing sleeve, the water inlet pipe is fixedly connected to one side of the water injection groove, and the water inlet is formed in the side wall of one end of the sampling pipe head.

[0007] Optionally, the sealing sleeve is fixedly installed at the bottom of the mounting rack, and the sealing sleeve is located outside the water inlet.

[0008] Optionally, an outer wall of one end of the sampling tube head abuts against an inner surface of the sealing ring.

[0009] Optionally, the material returning assembly comprises a center rod, a waist-shaped hole, an outer sleeve, a push rod, a mesh push head, a supporting block and a return spring, the center rod is located inside the sampling tube head, the waist-shaped hole is formed in a side wall of one end of the sampling tube head, the outer sleeve is sleeved on an outer wall of one end of the sampling tube head, the push rod is slidably connected to an inner side of the waist-shaped hole, the mesh push head is fixedly installed at one end of the center rod, the supporting block is fixedly connected to the outer wall of the sampling tube head, and the return spring is sleeved on the outer wall of the sampling tube head.

[0010] Optionally, the push rod is fixedly installed at one end of the outer sleeve, and a middle portion of the push rod is fixedly installed at one end of the center rod.

[0011] Optionally, the mesh push head is slidably connected to the sampling tube head.

[0012] Optionally, one end of the return spring abuts against a top surface of the supporting block, and the other end of the return spring abuts against a bottom surface of the outer sleeve.

[0013] From the above technical solutions, it can be seen that the embodiments of the utility model have the following advantages:

[0014] 1. The sampler for core sampling of the utility model, through setting up the water injection cooling assembly, specifically, when the sampling tube head is rotated to sample under the driving of the driver, the water pump is connected externally, the water inlet pipe is connected, the cooling water enters the sealing sleeve from the water inlet pipe, then enters the inside of the sampling tube head from the water inlet, and then seeps into the sampling tube head and the sample contact position through the water injection groove, so that the sampling tube head can be cooled, thereby prolonging the service life of the sampling tube head.

[0015] 2. The sampler for core sampling of the utility model, through setting up the material returning assembly, specifically, after sampling, the push rod is pushed, so that the outer sleeve overcomes the elastic force of the return spring, the center rod is driven to move downward by the push rod, then the mesh push head is pushed, the mesh push head pushes the sample remaining in the sampling tube head out, so that the sample can be taken out conveniently and used conveniently.

[0016] The features and advantages of the utility model will be disclosed in detail in the following specific embodiments and drawings. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model will be further explained in combination with the drawings:

[0018] Figure 1 It is the structure schematic view of the utility model.

[0019] Figure 2 Figure 1 is a side view of the utility model;

[0020] Figure 3 Figure 1 is a side view of the utility model Figure 2 Figure 1 is a side view of the utility model;

[0021] Figure 4 Figure 1 is a side view of the utility model Figure 2 Figure 1 is a side view of the utility model.

[0022] The figure mark explanation: 1, mounting frame; 2, driver; 3, sampling pipe head; 401, water injection groove; 402, sealing sleeve; 403, sealing ring; 404, water inlet pipe; 405, water inlet; 501, center rod; 502, waist type hole; 503, outer sleeve; 504, push rod; 505, net-shaped push head; 506, support block; 507, reset spring. DETAILED DESCRIPTION

[0023] The technical scheme of the utility model embodiment is explained and described below in combination with the drawings of the utility model embodiment, but the following embodiments are only preferred embodiments of the utility model, not all. Based on the embodiments in the embodiments, other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0024] A sampler for core sampling is specifically described below in combination with the drawings of the utility model embodiment.

[0025] Embodiment 1

[0026] For the convenience of understanding, please refer to Figures 1 to 4 An embodiment of a sampler for core sampling provided by the utility model comprises a mounting frame 1, the mounting frame 1 is fixedly installed with a driver 2 at the top, the driver 2 is fixedly installed with a sampling pipe head 3 at one end of the output shaft, the sampling pipe head 3 is provided with a water injection cooling assembly and a material return assembly;

[0027] The water injection cooling assembly comprises a plurality of water injection grooves 401, a sealing sleeve 402, a sealing ring 403, a water inlet pipe 404 and a water inlet 405, the plurality of water injection grooves 401 are opened in the inner wall of the sampling pipe head 3, the sealing sleeve 402 is sleeved at one end of the top of the sampling pipe head 3, the sealing ring 403 is fixedly installed on the inner side of the sealing sleeve 402, the water inlet pipe 404 is fixedly connected on one side of the water injection groove 401, the water inlet 405 is opened in the side wall of one end of the sampling pipe head 3, the sealing sleeve 402 is fixedly installed at the bottom of the mounting frame 1, and the sealing sleeve 402 is located outside the water inlet 405, and the outer wall of one end of the sampling pipe head 3 abuts against the inner surface of the sealing ring 403.

[0028] Need to explain, by setting the water injection tank 401 in the sampling pipe head 3 inside, and by setting the sealing sleeve 402 and installing the sealing ring 403 between the sampling pipe head 3 form a rotating seal, in the driver 2 drive sampling pipe head 3 rotation sampling, by connecting the water pump outside, access to the water inlet pipe 404, cooling water from the water inlet pipe 404 into the sealing sleeve 402, then by the water inlet 405 into the sampling pipe head 3 inside, again through the water injection tank 401 into the sampling pipe head 3 and sample contact position, can be cooled to the sampling pipe head 3.

[0029] Embodiment 2

[0030] In some embodiments, as shown in Figure 2 、 Figure 4 The material returning assembly includes a center rod 501, a waist-shaped hole 502, an outer sleeve 503, a push rod 504, a mesh push head 505, a support block 506 and a reset spring 507. The center rod 501 is located inside the sampling pipe head 3. The waist-shaped hole 502 is arranged in the side wall of one end of the sampling pipe head 3. The outer sleeve 503 is sleeved on the outer wall of one end of the sampling pipe head 3. The push rod 504 is slidingly connected to the inner side of the waist-shaped hole 502. The mesh push head 505 is fixedly installed at one end of the center rod 501. The support block 506 is fixedly connected to the outer wall of the sampling pipe head 3. The reset spring 507 is sleeved on the outer wall of the sampling pipe head 3. The push rod 504 is fixedly installed at one end of the outer sleeve 503. The center rod 501 is fixedly installed at the middle part of the push rod 504. The mesh push head 505 is slidingly connected to the sampling pipe head 3. One end of the reset spring 507 abuts against the top surface of the support block 506. The other end of the reset spring 507 abuts against the bottom surface of the outer sleeve 503.

[0031] Need to explain, by setting the center rod 501 and the mesh push head 505, and by setting the outer sleeve 503, the push rod 504, the reset spring 507 and the reset spring 507, under the connection of the outer sleeve 503, the push rod 504, the reset spring 507 and the reset spring 507, the mesh push head 505 can be retracted in the sampling pipe head 3. After sampling, the push rod 504 is pushed, so that the outer sleeve 503 overcomes the elastic force of the reset spring 507, and the center rod 501 is driven downward by the push rod 504, and then the mesh push head 505 is pushed, and the mesh push head 505 pushes the sample remaining in the sampling pipe head 3 out, so as to facilitate the taking out of the sample.

[0032] The driver 2 in the utility model is a known component, which will not be described here.

[0033] Working principle: when using, the driver 2 drives the sampling pipe head 3 to rotate for sampling, through the external connection water pump, the water inlet pipe 404 is connected, the cooling water enters the sealing sleeve 402 from the water inlet pipe 404, then enters the inside of the sampling pipe head 3 from the water inlet 405, then seeps into the sampling pipe head 3 and the sample contact position through the water injection groove 401, the sampling pipe head 3 is cooled, after sampling is completed, the push rod 504 is pushed, so that the outer sleeve 503 overcomes the elastic force of the reset spring 507, at the same time, the push rod 504 drives the center rod 501 to move downward, then pushes the mesh push head 505, the mesh push head 505 pushes the sample remaining in the sampling pipe head 3 out.

[0034] The above-described and above-embodied examples are only used to illustrate the technical solutions of the present application, rather than limit the same; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can still be modified, or some technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A coring sampler for sampling a core, characterized by: Including the mounting frame (1), the drive (2) is fixedly installed on the top of the mounting frame (1), the output shaft of the drive (2) is fixedly installed with the sampling pipe head (3), the sampling pipe head (3) is provided with water injection cooling assembly and material returning assembly; The water injection cooling assembly includes several water injection grooves (401), a sealing sleeve (402), a sealing ring (403), a water inlet pipe (404) and a water inlet (405), several water injection grooves (401) are opened in the inner wall of the sampling pipe head (3), the sealing sleeve (402) is sleeved on one end of the top of the sampling pipe head (3), the sealing ring (403) is fixedly installed on the inner side of the sealing sleeve (402), the water inlet pipe (404) is fixedly connected on one side of the water injection groove (401), and the water inlet (405) is opened on the side wall of one end of the sampling pipe head (3).

2. A coring sampler according to claim 1, wherein: The sealing sleeve (402) is fixedly installed on the bottom of the mounting frame (1), and the sealing sleeve (402) is located outside the water inlet (405).

3. The core sampler for core sampling of claim 1, wherein: The outer wall of one end of the sampling pipe head (3) abuts against the inner surface of the sealing ring (403).

4. The core sampler for core sampling of claim 1, wherein: The material returning assembly includes a center rod (501), a waist-shaped hole (502), an outer sleeve (503), a push rod (504), a mesh push head (505), a supporting block (506) and a reset spring (507), the center rod (501) is located in the sampling pipe head (3), the waist-shaped hole (502) is opened in the side wall of one end of the sampling pipe head (3), the outer sleeve (503) is sleeved on the outer wall of one end of the sampling pipe head (3), the push rod (504) is slidingly connected on the inner side of the waist-shaped hole (502), the mesh push head (505) is fixedly installed on one end of the center rod (501), the supporting block (506) is fixedly connected on the outer wall of the sampling pipe head (3), and the reset spring (507) is sleeved on the outer wall of the sampling pipe head (3).

5. A coring sampler according to claim 4, wherein: The push rod (504) is fixedly installed on one end of the outer sleeve (503), and the push rod (504) is fixedly installed on one end of the center rod (501).

6. The core sampler for core sampling of claim 4, wherein: The mesh push head (505) is slidingly connected to the sampling pipe head (3).

7. The core sampler for core sampling of claim 4, wherein: One end of the reset spring (507) abuts against the top surface of the supporting block (506), and the other end of the reset spring (507) abuts against the bottom surface of the outer sleeve (503).

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