CN210322363U

CN210322363U - Rock-soil sampler for petroleum development and exploration

Info

Publication number: CN210322363U
Application number: CN201920969221.8U
Authority: CN
Inventors: 郭远军
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-26
Filing date: 2019-06-26
Publication date: 2020-04-14
Anticipated expiration: 2029-06-26

Abstract

The utility model discloses a ground sampler is used in oil development reconnaissance relates to oil development reconnaissance technical field. The sampler comprises a vertically arranged sampling tube; the upper end of the sampling tube is fixed with a sealing cover in a matching way; the upper end of the seal cover is connected with an operating handle through a support rod; the lower end of the sampling cylinder is coaxially and fixedly communicated with a conical hollow drill bit; the inner diameter of the hollow drill bit is equal to that of the sampling cylinder; the lower end of the hollow drill bit is uniformly distributed with drill teeth along the circumferential direction; a soil sample clamping mechanism is arranged on the sampling cylinder; the soil sample clamping mechanism comprises a through hole uniformly formed in the lower end of the sampling cylinder along the circumferential direction, a connecting ring sleeved on the upper part of the outer wall of the sampling cylinder and a thrust ring sleeved on the lower part of the outer wall of the sampling cylinder; the lower end of the connecting ring is connected with the upper end of the thrust ring through a plurality of support rods. The utility model has the advantages that: the pressure can be applied to the lower end position of the rock soil sample, so that the rock soil sample is combined more tightly, and the problems of missing, scattered soil layers and the like of the rock soil sample are reduced.

Description

Rock-soil sampler for petroleum development and exploration

Technical Field

The utility model relates to an oil development reconnaissance technical field.

Background

In petroleum geological exploration, soil samples are often collected so as to directly observe or analyze the natural state of rock-soil layers and the geological structure of each stratum. The sampler commonly used at present inserts the sampling tool of tube-shape a certain degree of depth in the soil layer earlier, then takes out the sampling tool again, and at this moment the ground sample can be carried out along with the sampling tool, and the advantage of this kind of sampler is simple structure, convenient to use, easily carry, however its shortcoming is when taking out the sampling tool from the soil layer, and the ground sample scatters from the end opening under the sampling tool easily, especially to the loose soil layer of soil texture, leads to the ground sample to have the lacuna problem, the soil layer is in disorder scheduling problem easily, influences the accurate analysis to the ground sample.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem, it is not enough to the technique that the aforesaid exists, provides a ground sampler for oil development reconnaissance, and it can exert pressure to ground sample lower extreme position, makes ground sample combine inseparabler, reduces the ground sample and has the emergence of scarce, the scattered in disorder scheduling problem of soil layer.

The utility model adopts the technical proposal that: the rock-soil sampler for petroleum development and exploration comprises a vertically arranged sampling cylinder; the upper end of the sampling tube is fixed with a sealing cover in a matching way; the upper end of the seal cover is connected with an operating handle through a support rod; the lower end of the sampling cylinder is coaxially and fixedly communicated with a conical hollow drill bit; the inner diameter of the hollow drill bit is equal to that of the sampling cylinder; the lower end of the hollow drill bit is uniformly distributed with drill teeth along the circumferential direction; a soil sample clamping mechanism is arranged on the sampling cylinder;

the soil sample clamping mechanism comprises a through hole uniformly formed in the lower end of the sampling cylinder along the circumferential direction, a connecting ring sleeved on the upper part of the outer wall of the sampling cylinder and a thrust ring sleeved on the lower part of the outer wall of the sampling cylinder; the lower end of the connecting ring is connected with the upper end of the thrust ring through a plurality of support rods; the upper end of the connecting ring is coaxially and rotatably connected with a positioning ring; the positioning ring is in threaded connection with the outer wall of the sampling cylinder; the left side and the right side of the positioning ring are both fixed with an extension handle; the through openings are arranged along the vertical direction, and clamping strips are correspondingly arranged in the through openings; the upper end of the holding strip is hinged with the upper end in the through opening; the outer side wall of the holding strip is in a conical surface structure, and the inner side wall of the holding strip corresponds to the inner side wall of the sampling cylinder; the clamping strip inside wall evenly distributed has anti-skidding line.

Further optimizing the technical scheme, the sampling cylinder of the rock-soil sampler for petroleum development and exploration is internally and slidably connected with a material pushing block; a push rod is fixed at the upper end of the material pushing block along the vertical direction; the push rod slides through the middle part of the sealing cover; the middle part of the operating handle is provided with a mounting hole; a rubber sleeve is fixedly sleeved in the mounting hole; the push rod penetrates through the rubber sleeve in a friction mode; the upper end of the push rod is fixed with a material pressing handle.

Further optimizing the technical scheme, a hollow drill bit of the rock-soil sampler for petroleum development and exploration is sleeved with a limit sleeve; the left side and the right side of the limiting sleeve are both fixed with pedals.

The beneficial effects of the utility model reside in that:

1. the lower end of the sampling cylinder is coaxially and fixedly communicated with a conical hollow drill bit, the inner diameter of the hollow drill bit is equal to that of the sampling cylinder, drill teeth are uniformly distributed at the lower end of the hollow drill bit along the circumferential direction, the sampling cylinder can be conveniently drilled into a soil layer through the hollow drill bit and the drill teeth at the lower end of the hollow drill bit, the operation is labor-saving, and the effect of coring the soil layer is realized; the upper end of the clamping strip is hinged with the upper end in the through opening, the inner side wall of the clamping strip corresponds to the inner side wall of the sampling cylinder, and the clamping strip can apply pressure to a rock-soil sample at the lower part in the sampling cylinder, so that the rock-soil sample is combined more tightly; the connecting ring is connected with the thrust ring through a support rod, the upper end of the connecting ring is coaxially and rotatably connected with a positioning ring, the positioning ring is in threaded connection with the outer wall of the sampling cylinder, and the thrust ring can move up and down under the action of the positioning ring; the outer side wall of each holding strip is in a conical surface structure, and the holding strips can be mutually gathered and close to each other through the movement of the thrust ring, so that the rock soil sample is clamped; the clamping strip inside wall evenly distributed has anti-skidding line, under the clamping strip with the tight state of ground sample clamp, can further reduce ground through anti-skidding line and drop.

2. The material pushing block can play a role in pushing the rock-soil sample, so that the rock-soil sample can be conveniently taken out from the sampling cylinder; friction is generated between the push rod and the rubber sleeve, the push rod can be fixed through friction force, and a rock soil sample is prevented from being pushed out by a push block due to dead weight during sampling; the hollow drill head is sleeved with the limiting sleeve, the pedal plates are fixed to the left side and the right side of the limiting sleeve respectively, the hollow drill head can be limited in direction when sampling is conducted, the drilling is avoided being askew, the pedal plates can be convenient for an operator to pedal, and the limiting sleeve is fixed by the weight of the operator.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a partially exploded view of the soil sample clamping mechanism;

fig. 3 is a partially exploded view of the upper portion of the sampling tube.

In the figure, 1, a sampling tube; 2. sealing the cover; 3. an operating handle; 4. a hollow drill bit; 5. drilling teeth; 6. a port; 7. a connecting ring; 8. a thrust ring; 9. a support bar; 10. a support rod; 11. a positioning ring; 12. an extension handle; 13. clamping strips; 14. anti-skid lines; 15. a material pushing block; 16. a push rod; 17. mounting holes; 18. a rubber sleeve; 19. a material pressing handle; 20. a limiting sleeve; 21. a foot pedal.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1, a geotechnical sampler for petroleum development and exploration comprises a vertically arranged sampling cylinder 1; the upper end of the sampling tube 1 is fixed with a sealing cover 2 in a matching way; the upper end of the sealing cover 2 is connected with an operating handle 3 through a support rod 10; the lower end of the sampling cylinder 1 is coaxially and fixedly communicated with a conical hollow drill bit 4; the inner diameter of the hollow drill bit 4 is equal to that of the sampling cylinder 1; the lower end of the hollow drill bit 4 is uniformly distributed with drill teeth 5 along the circumferential direction; and a soil sample clamping mechanism is arranged on the sampling cylinder 1.

As shown in fig. 2-3, the soil sample clamping mechanism comprises a through opening 6 uniformly formed at the lower end of the sampling cylinder 1 along the circumferential direction, a connecting ring 7 sleeved on the upper part of the outer wall of the sampling cylinder 1, and a thrust ring 8 sleeved on the lower part of the outer wall of the sampling cylinder 1; the lower end of the connecting ring 7 is connected with the upper end of the thrust ring 8 through a plurality of support rods 9; the upper end of the connecting ring 7 is coaxially and rotatably connected with a positioning ring 11; the positioning ring 11 is in threaded connection with the outer wall of the sampling tube 1; the left side and the right side of the positioning ring 11 are both fixed with an extension handle 12; the through openings 6 are arranged along the vertical direction, and clamping strips 13 are correspondingly arranged in the through openings 6; the upper end of the holding strip 13 is hinged with the upper end in the through hole 6; the outer side wall of the holding strip 13 is in a conical surface structure, and the inner side wall of the holding strip 13 corresponds to the inner side wall of the sampling tube 1; the inner side wall of the holding strip 13 is uniformly distributed with anti-skid grains 14; a material pushing block 15 is connected in the sampling tube 1 in a sliding manner; a push rod 16 is fixed on the upper end of the material pushing block 15 along the vertical direction; the push rod 16 slides through the middle of the cover 2; the middle part of the operating handle 3 is provided with a mounting hole 17; a rubber sleeve 18 is fixedly sleeved in the mounting hole 17; the push rod 16 is rubbed and penetrated through the rubber sleeve 18; a material pressing handle 19 is fixed at the upper end of the push rod 16; the hollow drill bit 4 is externally sleeved with a limit sleeve 20; the left and right sides of the limiting sleeve 20 are both fixed with foot pedals 21.

During operation, the limiting sleeve 20 is placed at a sampling position, two feet step on the pedals 21 on two sides respectively, then the operating handle 3 is held by hands, the hollow drill bit 4 is placed in the limiting sleeve 20, the operating handle 3 is rotated back and forth, the hollow drill bit 4 is gradually drilled into the soil layer until the lower end of the sampling cylinder 1 reaches a position with enough depth, then the positioning ring 11 is screwed by the extending handle 12, the thrust ring 8 is gradually moved downwards, the clamping strips 13 are pushed to gradually gather close to the soil layer, the lower end of a rock soil sample in the sampling cylinder 1 is gradually clamped, the soil layer is looser in the process, the gathering amplitude of the clamping strips 13 is larger, the clamping state of the soil layer is ensured, the sampling cylinder 1 can be gradually lifted out of the soil layer after the soil layer is clamped, when the rock soil sample needs to be taken out of the sampling cylinder 1, the positioning ring 11 is screwed, the thrust ring 8 is gradually moved upwards, the clamping constraint of the clamping strips 13 on the rock soil sample is removed, and then the material pressing handle 19 is pressed, so that the push rod 16 pushes the material pushing block 15, and the rock soil sample can be pushed out from the sampling cylinder 1.

In the technical scheme, the clamping strips 13 are gathered to exert the effect of clamping constraint force on the soil layer, so that the soil scattered from the lower end of the sampling cylinder 1 is effectively reduced, the occurrence of the conditions of missing, soil layer scattering and the like of the rock soil sample is reduced, and the rock soil sample is more accurately analyzed.

Among this technical scheme, can conveniently dial downside soil through the brill tooth 5 of hollow bit 4 lower extreme, the helical structure in the outside of hollow bit 4 itself can conveniently dial outside soil, and in addition, the scope diameter that hollow bit 4 bored into is greater than the diameter of the ground sample of coring, can be convenient for holding strip 13, thrust ring 8, bracing piece 9 and stretch into in the soil horizon along with hollow bit 4.

Claims

1. The utility model provides a rock and soil sampler for oil development reconnaissance which characterized in that: comprises a vertically arranged sampling tube (1); the upper end of the sampling tube (1) is fixed with a sealing cover (2) in a matching way; the upper end of the sealing cover (2) is connected with an operating handle (3) through a support rod (10); the lower end of the sampling cylinder (1) is coaxially and fixedly communicated with a conical hollow drill bit (4); the inner diameter of the hollow drill bit (4) is equal to that of the sampling cylinder (1); the lower end of the hollow drill bit (4) is uniformly distributed with drill teeth (5) along the circumferential direction; a soil sample clamping mechanism is arranged on the sampling cylinder (1);

the soil sample clamping mechanism comprises through holes (6) uniformly formed in the lower end of the sampling cylinder (1) along the circumferential direction, a connecting ring (7) sleeved on the upper part of the outer wall of the sampling cylinder (1), and a thrust ring (8) sleeved on the lower part of the outer wall of the sampling cylinder (1); the lower end of the connecting ring (7) is connected with the upper end of the thrust ring (8) through a plurality of support rods (9); the upper end of the connecting ring (7) is coaxially and rotatably connected with a positioning ring (11); the positioning ring (11) is in threaded connection with the outer wall of the sampling tube (1); the left side and the right side of the positioning ring (11) are both fixed with an extension handle (12); the through holes (6) are arranged along the vertical direction, and clamping strips (13) are correspondingly arranged in the through holes (6); the upper end of the holding strip (13) is hinged with the inner upper end of the through hole (6); the outer side wall of the holding strip (13) is in a conical surface structure, and the inner side wall of the holding strip (13) corresponds to the inner side wall of the sampling tube (1); the inner side wall of the holding strip (13) is uniformly distributed with anti-skid grains (14).

2. The geotechnical sampler for oil development and exploration according to claim 1, characterized in that: a material pushing block (15) is connected in the sampling tube (1) in a sliding way; a push rod (16) is fixed on the upper end of the material pushing block (15) along the vertical direction; the push rod (16) slides through the middle part of the sealing cover (2); the middle part of the operating handle (3) is provided with a mounting hole (17); a rubber sleeve (18) is sleeved and fixed in the mounting hole (17); the push rod (16) is rubbed and penetrates through the rubber sleeve (18); the upper end of the push rod (16) is fixed with a material pressing handle (19).

3. The geotechnical sampler for oil development and exploration according to claim 1, characterized in that: a limiting sleeve (20) is sleeved outside the hollow drill bit (4); the left side and the right side of the limiting sleeve (20) are both fixed with foot pedals (21).