CN216588515U - Special coring device for hard broken stratum in geothermal drilling - Google Patents

Abstract

The utility model discloses a special coring device of broken stratum of stereoplasm in geothermal drilling, including mounting panel and sampling device, one side of mounting panel is equipped with the positive and negative motor that the output set up down, the bottom output of positive and negative motor is equipped with the connecting rod, sampling device establishes the bottom at the connecting rod, sampling device's inside is equipped with the sample chamber, is equipped with two sliding doors that open and anticlockwise rotate and close along with positive and negative motor clockwise on the outer periphery wall in sample chamber, at first will install through the bolt on the crane, then descend this sampling device through the price rising frame, the utility model discloses not only realize the sample, simple structure moreover, only need a slightly be greater than the drilling of sampling device external diameter can, it is very convenient.

Description

Special coring device for hard broken stratum in geothermal drilling

Technical Field

The utility model relates to a drilling equipment technical field, in particular to special coring device in broken stratum of stereoplasm in geothermal drilling.

Background

Geothermal drilling, a drilling and well-forming technique for exploring and developing geothermal energy sources buried inside the crust of the earth. During exploration of hard fractured formations, sampling research needs to be carried out on the hard fractured formations.

The sampling device in the prior art has a complex structure and is very troublesome, a plurality of devices are usually required during sampling, and a sampling hole has great requirements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a special coring device in broken stratum of stereoplasm in geothermal drilling to solve the problem of proposing in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a special coring device of broken stratum of stereoplasm in geothermal drilling, includes mounting panel and sampling device, one side of mounting panel is equipped with the positive and negative motor that the output set up down, the bottom output of positive and negative motor is equipped with the connecting rod, sampling device establishes the bottom at the connecting rod, sampling device's inside is equipped with the sample chamber, is equipped with two sliding doors that open and anticlockwise rotate and close along with positive and negative motor clockwise on the outer periphery wall in sample chamber.

As the utility model discloses preferred scheme, the top in sample chamber is equipped with the roof, the bottom in sample chamber is equipped with the diapire, be equipped with the top spout on the outer circumference of roof bottom, be equipped with the bottom spout on the outer circumference at diapire top, the top of sliding door is equipped with the top slide with top spout sliding connection, the bottom of sliding door is equipped with the bottom slide with bottom spout sliding connection, the sliding door lateral wall is equipped with the extension bar of vertical setting on closing the lateral wall of one side towards the sliding door, one side that the sliding door is close to the extension bar is equipped with the blade.

As the utility model discloses preferred scheme, equal fixed connection between sliding door and top slide and the bottom slide, fixed connection between sliding door and the extension bar.

As the utility model discloses preferred scheme, be equipped with on the outer periphery wall in sample chamber and match the baffle that uses with the sliding door, every all be equipped with in the lateral wall of baffle towards sliding door one side open-ended and accomodate the groove.

As the utility model discloses preferred scheme, be integrated into one piece between baffle and roof and the diapire, the width of accomodating the groove is greater than the thickness of sliding door.

As the utility model discloses preferred scheme, through bolted connection between positive and negative motor and the mounting panel, the mounting panel passes through the bolt and installs on the probing crane.

As the utility model discloses preferred scheme, through the coupling joint between the output of connecting rod and positive and negative motor, fixed connection between connecting rod and sampling device's the roof.

The utility model discloses beneficial effect: when the utility model is used, firstly the installation is installed on the lifting frame through the bolt, then the sampling device is descended through the price-raising frame, when the sampling device reaches the sampling position, firstly the clockwise rotation positive and negative motor drives the sampling device through the rotation of the positive and negative motor, the sliding door is opened through the extension bar under the action of the rock soil around, the clockwise rotation positive and negative motor continues after the large opening, the sample rock soil needing to be sampled enters the sampling cavity from the groove of the sliding door through the action of the blade, after the clockwise rotation for a period of time, the rock soil sample can enter the sampling cavity, then the counterclockwise rotation positive and negative motor is started, the sliding door is closed under the action of the extension bar, because the blade is arranged, the rock soil at the edge is cut and then falls, the rock soil in the sliding groove at the bottom can also be extruded because of the blade, and then the sampling device can be taken out through the lifting frame, to sum up, the utility model discloses not only realize the sample, simple structure moreover, only need a little greater than the drilling of sampling device external diameter can, it is very convenient.

Drawings

FIG. 1 is a perspective view of the special coring apparatus for hard and broken ground layer in geothermal drilling of the present invention;

FIG. 2 is a perspective view of the utility model of the core device for hard broken ground during geothermal drilling with the sliding door opened;

FIG. 3 is an enlarged view of the position A of the coring apparatus for a hard fractured formation in geothermal drilling according to the present invention;

FIG. 4 is a perspective view of a sliding door of the coring apparatus for hard and broken ground layer in geothermal drilling according to the present invention;

FIG. 5 is a schematic view of a sliding door of the coring apparatus dedicated for hard fractured formations in geothermal drilling according to the present invention;

fig. 6 is a schematic view of a baffle of the coring device dedicated for hard fractured formations in geothermal drilling of the present invention.

In the figure: 1. mounting a plate; 2. a positive and negative motor; 3. a coupling; 4. a connecting rod; 5. a sampling device; 51. a sampling cavity; 52. a sliding door; 521. an extension bar; 522. a top slide plate; 523. a bottom slide plate; 524. a blade; 53. a top wall; 531. a top chute; 54. a bottom wall; 541. a bottom chute; 55. a baffle plate; 551. a receiving groove.

Detailed Description

The technical solution 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 some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a special coring device of broken stratum of stereoplasm in geothermal drilling, includes mounting panel 1 and sampling device 5, one side of mounting panel 1 is equipped with the positive and negative motor 2 that the output set up down, the bottom output of positive and negative motor 2 is equipped with connecting rod 4, sampling device 5 establishes the bottom at connecting rod 4, sampling device 5's inside is equipped with sample chamber 51, is equipped with two sliding door 52 that open and anticlockwise rotate and close along with positive and negative motor 2 clockwise on sample chamber 51's outer circumferential wall.

In an embodiment, referring to fig. 1 to 6, a top wall 53 is disposed at a top end of the sampling cavity 51, a bottom wall 54 is disposed at a bottom of the sampling cavity 51, a top sliding slot 531 is disposed on an outer circumference of a bottom of the top wall 53, a bottom sliding slot 541 is disposed on an outer circumference of a top of the bottom wall 54, a top sliding plate 522 slidably connected to the top sliding slot 531 is disposed at a top end of the sliding door 52, a bottom sliding plate 523 slidably connected to the bottom sliding slot 541 is disposed at a bottom of the sliding door 52, an upright protruding rod 521 is disposed on a side wall of an outer side wall of the sliding door 52 facing a closed side of the sliding door 52, a blade 524 is disposed on a side of the sliding door 52 close to the protruding rod 521, the sliding door 52 is fixedly connected to the top sliding plate 522 and the bottom sliding plate 523, the sliding door 52 is fixedly connected to the protruding rod 521, a baffle 55 used in cooperation with the sliding door 52 is disposed on an outer circumference wall of the sampling cavity 51, each of the baffle plates 55 has a receiving groove 551 formed in a side wall thereof and opened toward the side of the sliding door 52, the baffle plates 55 are integrally formed with the top wall 53 and the bottom wall 54, and the width of the receiving groove 551 is greater than the thickness of the sliding door 52.

In an embodiment, referring to fig. 1, the positive and negative motors 2 are connected with the mounting plate 1 through bolts, the mounting plate 1 is mounted on the drilling crane through bolts, the connecting rod 4 is connected with the output end of the positive and negative motors 2 through the coupler 3, and the connecting rod 4 is fixedly connected with the top wall 53 of the sampling device 5.

The operation principle is as follows: when the utility model is used, firstly the installation is installed on the lifting frame through the bolt, then the sampling device is descended through the price-raising frame, when the sampling device reaches the sampling position, firstly the clockwise rotation positive and negative motor drives the sampling device through the rotation of the positive and negative motor, the sliding door is opened through the extension bar under the action of the rock soil around, the clockwise rotation positive and negative motor continues after the large opening, the sample rock soil needing to be sampled enters the sampling cavity from the groove of the sliding door through the action of the blade, after the clockwise rotation for a period of time, the rock soil sample can enter the sampling cavity, then the counterclockwise rotation positive and negative motor is started, the sliding door is closed under the action of the extension bar, because the blade is arranged, the rock soil at the edge is cut and then falls, the rock soil in the sliding groove at the bottom can also be extruded because of the blade, and then the sampling device can be taken out through the lifting frame, to sum up, the utility model discloses not only realize the sample, simple structure moreover, only need a little greater than the drilling of sampling device external diameter can, it is very convenient.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. A special coring device for hard broken strata in geothermal drilling comprises a mounting plate (1) and a sampling device (5), and is characterized in that: one side of mounting panel (1) is equipped with positive and negative motor (2) that the output set up down, the bottom output of positive and negative motor (2) is equipped with connecting rod (4), the bottom at connecting rod (4) is established in sampling device (5), the inside of sampling device (5) is equipped with sample chamber (51), is equipped with two sliding door (52) that open and anticlockwise rotate and close along with positive and negative motor (2) clockwise on the outer periphery wall in sample chamber (51).

2. The apparatus of claim 1, wherein the apparatus comprises: the top of sample chamber (51) is equipped with roof (53), the bottom of sample chamber (51) is equipped with diapire (54), be equipped with top spout (531) on the outer circumference of roof (53) bottom, be equipped with bottom spout (541) on the outer circumference at diapire (54) top, the top of sliding door (52) is equipped with top slide plate (522) with top spout (531) sliding connection, the bottom of sliding door (52) is equipped with bottom slide plate (523) with bottom spout (541) sliding connection, be equipped with on the lateral wall of sliding door (52) lateral wall close one side towards sliding door (52) and vertically set up reach bar (521), one side that sliding door (52) are close to reach bar (521) is equipped with blade (524).

3. The apparatus of claim 2, wherein the apparatus comprises: the sliding door (52) is fixedly connected with the top sliding plate (522) and the bottom sliding plate (523), and the sliding door (52) is fixedly connected with the extension rod (521).

4. The apparatus of claim 1, wherein the apparatus comprises: the sampling cavity (51) is provided with baffles (55) matched with the sliding door (52) for use on the outer circumferential wall, and a receiving groove (551) opened towards one side of the sliding door (52) is formed in the side wall of each baffle (55).

5. The apparatus of claim 4, wherein the apparatus further comprises: the baffle plate (55) is integrally formed with the top wall (53) and the bottom wall (54), and the width of the accommodating groove (551) is larger than the thickness of the sliding door (52).

6. The apparatus of claim 1, wherein the apparatus comprises: the drilling machine is characterized in that the positive and negative motors (2) are connected with the mounting plate (1) through bolts, and the mounting plate (1) is mounted on the drilling lifting frame through bolts.

7. The apparatus of claim 1, wherein the apparatus comprises: the output end of the connecting rod (4) and the output end of the positive and negative motor (2) are connected through the coupler (3), and the connecting rod (4) is fixedly connected with the top wall (53) of the sampling device (5).

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