阅读说明：本技术 一种井下石油原油或流体烃类浓度的检测装置 (Detection apparatus for underground petroleum crude oil or fluid hydrocarbon concentration ) 是由 高岳 李盈盈 乔杰 于 2019-11-25 设计创作，主要内容包括：本发明公开了一种井下石油原油或流体烃类浓度的检测装置,包括底板、固定轴、固定板、第一液压杆、连接板、滚轮、立柱、侧板、第二液压杆、压板、第一电机、转轮、外壳、第一开口、密封圈、内壳、第二开口、套轴、连接轴、端面齿轮、传动齿轮、转轴、第一导向轮、第一拉绳、第二导向轮、第二电机、套板、弹簧、卡块和第二拉绳。本发明通过立柱的移动方便带动固定轴的移动,方便对井下石油原油进行采集,方便对原油石油进行检测；带动外壳的移动方便对不同深度的石油进行采集,方便对不同深度不同浓度的石油原油进行采集；通过外壳移动后带动内壳的转动有利于对采集的石油进行收集,通过密封圈的设计避免不同深度的石油对采集的样本造成影响。(The invention discloses a device for detecting the concentration of underground petroleum crude oil or fluid hydrocarbons, which comprises a bottom plate, a fixed shaft, a fixed plate, a first hydraulic rod, a connecting plate, a roller, an upright post, a side plate, a second hydraulic rod, a pressing plate, a first motor, a rotating wheel, an outer shell, a first opening, a sealing ring, an inner shell, a second opening, a sleeve shaft, a connecting shaft, an end face gear, a transmission gear, a rotating shaft, a first guide wheel, a first pull rope, a second guide wheel, a second motor, a sleeve plate, a spring, a clamping block and a second pull rope. The fixing shaft is conveniently driven to move through the movement of the upright column, so that underground petroleum crude oil is conveniently collected, and crude oil petroleum is conveniently detected; the shell is driven to move, so that petroleum at different depths can be conveniently collected, and crude petroleum at different depths and different concentrations can be conveniently collected; the rotation that drives the inner shell after removing through the shell is favorable to collecting the oil of gathering, avoids the oil of the different degree of depth to cause the influence to the sample of gathering through the design of sealing washer.)

1. A detection device for hydrocarbon concentration of underground petroleum crude oil or fluid is characterized in that: comprises a fixed shaft (2) positioned at the bottom of a bottom plate (1), a limiting mechanism, a moving mechanism and a rotating mechanism;

the limiting mechanism comprises a fixing plate (3), an upright post (7) and a side plate (8), the top surface of the bottom plate (1) is fixedly connected with the fixing plate (3), the fixing plate (3) is fixedly connected with a first hydraulic rod (4), the bottom end of the first hydraulic rod (4) is fixedly connected with a connecting plate (5), the bottom end of the connecting plate (5) is rotatably connected with the roller (6), the middle part of the bottom plate (1) is fixedly connected with the upright post (7), the top surface of the bottom plate (1) is fixedly connected with the side plate (8), the side wall of the side plate (8) is fixedly connected with a second hydraulic rod (9), and the end part of the second hydraulic rod (9) is fixedly connected with the pressing plate (10);

the moving mechanism comprises a first motor (11), the first motor (11) is fixedly connected with the top surface of the bottom plate (1), the output end of the first motor (11) is fixedly connected with the rotating wheel (12), a second pull rope (30) is wound and connected on the surface of the rotating wheel (12), the end part of the second pull rope (30) is fixedly connected with the top surface of the fixed shaft (2), the bottom of the fixed shaft (2) is fixedly connected with the outer shell (13), the outer shell (13) is provided with a first opening (14), the inner wall of the outer shell (13) is fixedly connected with the sealing ring (15), and the inside of the outer shell (13) is rotatably connected with the inner shell (16);

the rotating mechanism comprises a sleeve shaft (18) and a connecting shaft (19), the sleeve shaft (18) and the connecting shaft (19) are fixedly connected with the top of the inner shell (16), the top of the connecting shaft (19) is fixedly connected with an end face gear (20), the end face gear (20) is meshed with a transmission gear (21), the transmission gear (21) is fixedly connected with the end of a rotating shaft (22), the other end of the rotating shaft (22) is fixedly connected with a first guide wheel (23), the surface of the first guide wheel (23) is fixedly connected with a first pull rope (24), the top of the first pull rope (24) is fixedly connected with a second guide wheel (25), and the second guide wheel (25) is fixedly connected with the output end of a second motor (26).

2. The apparatus for detecting hydrocarbon concentration in petroleum crude oil or fluid in a well according to claim 1, wherein: fixed axle (2) bottom and shell (13) fixed connection, four first openings (14) and second opening (17) have been seted up respectively to shell (13) and inner shell (16), and the distance of per two adjacent first openings (14) is greater than the width of first opening (14), and inner shell (16) inner wall rotates with sealing washer (15) that are ring structure and is connected.

3. The apparatus for detecting hydrocarbon concentration in petroleum crude oil or fluid in a well according to claim 1, wherein: the top surface of the bottom plate (1) is fixedly connected with a second motor (26) and two first motors (11) respectively, the surfaces of the rotating wheels (12) at the output ends of the two first motors (11) are fixedly connected with second pull ropes (30), and the two second pull ropes (30) are in penetrating connection with the bottom plate (1) and are fixedly connected with the two sides of the top surface of the fixed shaft (2).

4. The apparatus for detecting hydrocarbon concentration in petroleum crude oil or fluid in a well according to claim 1, wherein: the first pull rope (24) is respectively connected with the bottom plate (1) and the fixed shaft (2) in a penetrating mode, and the first pull rope (24) is connected with the surface of the first guide wheel (23) in a winding mode.

5. The apparatus for detecting hydrocarbon concentration in petroleum crude oil or fluid in a well according to claim 1, wherein: connecting axle (19) and fixed axle (2) bottom through connection, inner shell (16) and face gear (20) at connecting axle (19) both ends are located fixed axle (2) both sides respectively, sleeve shaft (18) of inner shell (16) top surface are the ring form structure, and sleeve shaft (18) top surface sets up four evenly distributed's the draw-in groove that is used for fixture block (29) joint.

6. The apparatus for detecting hydrocarbon concentration in petroleum crude oil or fluid in a well according to claim 1, wherein: fixed axle (2) bottom is located inside shell (13), fixed axle (2) bottom surface and two lagging (27) fixed connection, two lagging (27) are inside all through spring (28) and fixture block (29) fixed connection, fixture block (29) and the inside sliding connection of lagging (27), and fixture block (29) bottom surface is the slope structure.

7. The apparatus for detecting hydrocarbon concentration in petroleum crude oil or fluid in a well according to claim 1, wherein: the rotating shaft (22) is rotatably connected with the bottom end inside the fixed shaft (2), the transmission gear (21) and the first guide wheel (23) on the rotating shaft (22) are respectively located on two sides of the rotating shaft (22), and the top of the fixed shaft (2) is fixedly connected with the bottom end of the upright post (7).

8. The apparatus for detecting hydrocarbon concentration in petroleum crude oil or fluid in a well according to claim 1, wherein: the upright post (7) is of a square structure and is in sliding connection with the middle of the bottom plate (1), the side wall of the bottom plate (1) is contacted with the pressing plate (10), and the pressing plate (10) is in sliding connection with the top surface of the bottom plate (1).

9. The apparatus for detecting hydrocarbon concentration in petroleum crude oil or fluid in a well according to claim 1, wherein: four fixing plates (3) which are L-shaped structures are uniformly distributed on the periphery of the bottom plate (1), the four fixing plates (3) are fixedly connected with the first hydraulic rods (4), and the connecting plates (5) and the rollers (6) at the bottoms of the four first hydraulic rods (4) are located on two sides of the bottom plate (1).

10. The apparatus for detecting hydrocarbon concentration in petroleum crude oil or fluid in a well according to claim 1, wherein: the bottom of the inner shell (16) is rotatably connected with the inside of the outer shell (13), and the second opening (17) and the first opening (14) which are formed in the side walls of the inner shell (16) and the outer shell (13) are the same in size.

Technical Field

The invention relates to a detection device, in particular to a detection device for the concentration of underground petroleum crude oil or fluid hydrocarbons, and belongs to the technical field of petroleum application.

Background

The petroleum crude oil is unprocessed petroleum, is black brown, green fluorescent and special-smell viscous oily liquid, is a mixture of a plurality of liquid hydrocarbons such as alkane, cycloalkane, aromatic hydrocarbon and alkene, and mainly comprises two elements of carbon and hydrogen which respectively account for 83-87% and 11-14%; and a small amount of sulfur, oxygen and nitrogen, trace elements such as phosphorus, arsenic, potassium, sodium, calcium, magnesium, nickel, iron and vanadium, the specific gravity of the crude oil is 0.78-0.97, the molecular weight of the crude oil is 280-300, the freezing point of the crude oil is-50-24 ℃, and the crude oil is refined and processed to obtain various products such as fuel oil, solvent oil, lubricating grease, paraffin, asphalt, liquefied gas and aromatic hydrocarbon, so that the fuel, the raw materials and the chemical products are provided for various departments of national economy.

The existing petroleum crude oil refers to untreated petroleum after being exploited, is an energy substance containing a large amount of energy, and for the concentration detection of underground petroleum crude oil or fluid hydrocarbon, because the petroleum crude oil is positioned underground during exploitation, the petroleum crude oil is not beneficial to operation during component detection, the petroleum crude oil is not beneficial to the lowering of acquisition equipment, and the operation difficulty is increased; the concentration of the petroleum crude oil at different depths is different, so that the collection of each layer is not facilitated during detection, the operation difficulty is increased, the detection precision is easily influenced, and the subsequent exploitation is not facilitated; and when gathering, be unfavorable for sealing petroleum crude oil, be unfavorable for sealing the petroleum crude oil of the different degree of depth, cause the testing data inaccurate easily. Therefore, the device for detecting the hydrocarbon concentration of the petroleum crude oil or the fluid in the well is provided aiming at the problems.

Disclosure of Invention

The present invention is directed to solving the above problems and providing a device for detecting the hydrocarbon concentration of petroleum crude oil or fluid downhole.

The invention achieves the above purpose through the following technical scheme, a detection device for the concentration of underground petroleum crude oil or fluid hydrocarbons, which comprises a fixed shaft positioned at the bottom of a bottom plate, a limiting mechanism, a moving mechanism and a rotating mechanism, wherein the fixed shaft is connected with the bottom plate through a connecting rod;

the limiting mechanism comprises a fixing plate, an upright post and a side plate, the top surface of the bottom plate is fixedly connected with the fixing plate, the fixing plate is fixedly connected with a first hydraulic rod, the bottom end of the first hydraulic rod is fixedly connected with a connecting plate, the bottom end of the connecting plate is rotatably connected with the roller, the middle part of the bottom plate is fixedly connected with the upright post, the top surface of the bottom plate is fixedly connected with the side plate, the side wall of the side plate is fixedly connected with a second hydraulic rod, and the end part of the second hydraulic rod is fixedly connected with the pressing;

the moving mechanism comprises a first motor, the first motor is fixedly connected with the top surface of the bottom plate, the output end of the first motor is fixedly connected with the rotating wheel, a second pull rope is wound on the surface of the rotating wheel and connected, the end part of the second pull rope is fixedly connected with the top surface of the fixed shaft, the bottom of the fixed shaft is fixedly connected with the outer shell, the outer shell is provided with a first opening, the inner wall of the outer shell is fixedly connected with the sealing ring, and the inner part of the outer shell is rotatably connected with the inner shell;

slewing mechanism includes sleeve shaft and connecting axle, sleeve shaft and connecting axle all with inner shell top fixed connection, connecting axle top and face gear fixed connection, and face gear is connected with the drive gear meshing, drive gear and pivot tip fixed connection, another tip of pivot and first leading wheel fixed connection, and first leading wheel surface and first stay cord fixed connection, first stay cord top and second leading wheel fixed connection, and second leading wheel and second motor output fixed connection.

Preferably, the bottom of the fixed shaft is fixedly connected with the outer shell, the outer shell and the inner shell are respectively provided with four first openings and four second openings, the distance between every two adjacent first openings is greater than the width of the first openings, and the inner wall of the inner shell is rotatably connected with the sealing ring in a circular ring structure.

Preferably, the top surface of the bottom plate is fixedly connected with the second motor and the two first motors respectively, the surfaces of the rotating wheels at the output ends of the two first motors are fixedly connected with the second pull ropes, and the two second pull ropes are in penetrating connection with the bottom plate and are fixedly connected with two sides of the top surface of the fixed shaft.

Preferably, the first pull rope is respectively connected with the bottom plate and the fixed shaft in a penetrating manner, and the first pull rope is connected with the surface of the first guide wheel in a winding manner.

Preferably, the connecting shaft is in penetrating connection with the bottom of the fixed shaft, the inner shells at the two ends of the connecting shaft and the end face gear are respectively located on the two sides of the fixed shaft, the sleeve shaft on the top surface of the inner shells is of a circular ring-shaped structure, and four clamping grooves which are uniformly distributed and used for clamping the clamping blocks are formed in the top surface of the sleeve shaft.

Preferably, the bottom of the fixing shaft is located inside the shell, the bottom surface of the fixing shaft is fixedly connected with the two sleeve plates, the inner portions of the sleeve plates are fixedly connected with the clamping blocks through springs, the clamping blocks are slidably connected with the inner portions of the sleeve plates, and the bottom surfaces of the clamping blocks are of an inclined structure.

Preferably, the rotating shaft is rotatably connected with the bottom end inside the fixed shaft, the transmission gear and the first guide wheel on the rotating shaft are respectively positioned on two sides of the rotating shaft, and the top of the fixed shaft is fixedly connected with the bottom end of the upright post.

Preferably, the upright posts are of a square structure and are in sliding connection with the middle of the bottom plate, the side wall of the bottom plate is in contact with a pressing plate, and the pressing plate is in sliding connection with the top surface of the bottom plate.

Preferably, four fixing plates in an L-shaped structure are uniformly distributed on the periphery of the bottom plate, the four fixing plates are fixedly connected with the first hydraulic rods, and the connecting plates and the rollers at the bottoms of the four first hydraulic rods are located on two sides of the bottom plate.

Preferably, the bottom of the inner shell is rotatably connected with the inside of the outer shell, and the second opening and the first opening formed in the side walls of the inner shell and the outer shell are the same in size.

The invention has the beneficial effects that:

1. the vertical column is simple in structure and convenient to operate, the fixed shaft is conveniently driven to move through the movement of the vertical column, underground petroleum crude oil or fluid hydrocarbons are conveniently collected, crude oil and petroleum are conveniently detected, the convenience in operation is improved, and the fixed shaft is conveniently limited through the movement of the pressing plate;

2. the invention can conveniently collect petroleum at different depths by driving the shell to move, is beneficial to collecting crude petroleum at different depths and different concentrations, is beneficial to improving the detection precision of the petroleum, and is convenient for the subsequent detection of the petroleum concentration;

3. according to the invention, the collected petroleum can be collected by driving the inner shell to rotate after the outer shell moves, and the influence of petroleum at different depths on the collected sample can be avoided by the design of the sealing ring, so that the detection of the crude petroleum concentration is facilitated.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic overall perspective view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic side view of the present invention;

FIG. 4 is a schematic view of a portion of the structure shown in FIG. 2.

In the figure: 1. the hydraulic press comprises a bottom plate, 2, a fixed shaft, 3, a fixed plate, 4, a first hydraulic rod, 5, a connecting plate, 6, a roller, 7, a stand column, 8, a side plate, 9, a second hydraulic rod, 10, a pressing plate, 11, a first motor, 12, a rotating wheel, 13, an outer shell, 14, a first opening, 15, a sealing ring, 16, an inner shell, 17, a second opening, 18, a sleeve shaft, 19, a connecting shaft, 20, a face gear, 21, a transmission gear, 22, a rotating shaft, 23, a first guide wheel, 24, a first pull rope, 25, a second guide wheel, 26, a second motor, 27, a sleeve plate, 28, a spring, 29, a clamping block, 30 and a second pull rope.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Referring to fig. 1-4, a device for detecting the hydrocarbon concentration of petroleum crude oil or fluid in a well includes a fixed shaft 2 located at the bottom of a bottom plate 1, a limiting mechanism, a moving mechanism and a rotating mechanism;

the limiting mechanism comprises a fixing plate 3, an upright post 7 and a side plate 8, the top surface of the bottom plate 1 is fixedly connected with the fixing plate 3, the fixing plate 3 is fixedly connected with a first hydraulic rod 4, the bottom end of the first hydraulic rod 4 is fixedly connected with a connecting plate 5, the bottom end of the connecting plate 5 is rotatably connected with a roller 6, the middle part of the bottom plate 1 is fixedly connected with the upright post 7, the top surface of the bottom plate 1 is fixedly connected with the side plate 8, the side wall of the side plate 8 is fixedly connected with a second hydraulic rod 9, and the end part of the second hydraulic rod 9 is fixedly connected with a pressing plate;

the moving mechanism comprises a first motor 11, the first motor 11 is fixedly connected with the top surface of the bottom plate 1, the output end of the first motor 11 is fixedly connected with a rotating wheel 12, a second pull rope 30 is wound on the surface of the rotating wheel 12, the end part of the second pull rope 30 is fixedly connected with the top surface of the fixed shaft 2, the bottom of the fixed shaft 2 is fixedly connected with an outer shell 13, the outer shell 13 is provided with a first opening 14, the inner wall of the outer shell 13 is fixedly connected with a sealing ring 15, and the inner part of the outer shell 13 is rotatably connected with an inner shell 16;

the rotating mechanism comprises a sleeve shaft 18 and a connecting shaft 19, the sleeve shaft 18 and the connecting shaft 19 are fixedly connected with the top of the inner shell 16, the top of the connecting shaft 19 is fixedly connected with an end face gear 20, the end face gear 20 is meshed with a transmission gear 21, the transmission gear 21 is fixedly connected with the end part of a rotating shaft 22, the other end part of the rotating shaft 22 is fixedly connected with a first guide wheel 23, the surface of the first guide wheel 23 is fixedly connected with a first pull rope 24, the top of the first pull rope 24 is fixedly connected with a second guide wheel 25, and the second guide wheel 25 is fixedly connected with the output end of a second motor 26.

The bottom of the fixed shaft 2 is fixedly connected with an outer shell 13, the outer shell 13 and an inner shell 16 are respectively provided with four first openings 14 and four second openings 17, the distance between every two adjacent first openings 14 is greater than the width of the first openings 14, and the inner wall of the inner shell 16 is rotatably connected with a sealing ring 15 in a circular ring structure, so that the outer shell 13 and the inner shell 16 can be conveniently communicated, and crude petroleum oil can conveniently enter; the top surface of the bottom plate 1 is fixedly connected with the second motor 26 and the two first motors 11 respectively, the surfaces of the rotating wheels 12 at the output ends of the two first motors 11 are fixedly connected with the second pull ropes 30, and the two second pull ropes 30 are in penetrating connection with the bottom plate 1 and are fixedly connected with the two sides of the top surface of the fixed shaft 2, so that the vertical movement of the fixed shaft 2 is facilitated, and the shell 13 is conveniently driven to move simultaneously; the first pull rope 24 is respectively connected with the bottom plate 1 and the fixed shaft 2 in a penetrating way, and the first pull rope 24 is wound and connected with the surface of the first guide wheel 23, so that the first guide wheel 23 can be conveniently pulled to rotate, and the rotating shaft 22 can be conveniently driven to rotate; the connecting shaft 19 is connected with the bottom of the fixed shaft 2 in a penetrating manner, the inner shells 16 and the end face gears 20 at two ends of the connecting shaft 19 are respectively positioned at two sides of the fixed shaft 2, the sleeve shaft 18 on the top surface of the inner shell 16 is of a circular ring-shaped structure, and four clamping grooves which are uniformly distributed and used for clamping the clamping blocks 29 are formed in the top surface of the sleeve shaft 18, so that the rotation of the inner shell 16 is facilitated, and the relative rotation between the inner shell 16 and the outer shell 13; the bottom of the fixed shaft 2 is located inside the outer shell 13, the bottom surface of the fixed shaft 2 is fixedly connected with the two sleeve plates 27, the insides of the two sleeve plates 27 are fixedly connected with the fixture block 29 through the spring 28, the fixture block 29 is slidably connected with the insides of the sleeve plates 27, and the bottom surface of the fixture block 29 is in an inclined structure, so that the fixture block 29 can move conveniently, and the rotated inner shell 16 can be limited conveniently; the rotating shaft 22 is rotatably connected with the bottom end inside the fixed shaft 2, the transmission gear 21 and the first guide wheel 23 on the rotating shaft 22 are respectively positioned on two sides of the rotating shaft 22, and the top of the fixed shaft 2 is fixedly connected with the bottom end of the upright post 7, so that the rotating shaft 22 can rotate conveniently to drive the connecting shaft 19 to rotate; the upright post 7 is in a square structure and is in sliding connection with the middle of the bottom plate 1, the side wall of the bottom plate 1 is in contact with the pressing plate 10, and the pressing plate 10 is in sliding connection with the top surface of the bottom plate 1, so that the upright post 7 can move conveniently, and the fixing shaft 2 can be driven to move conveniently; four fixing plates 3 in an L-shaped structure are uniformly distributed around the bottom plate 1, the four fixing plates 3 are fixedly connected with the first hydraulic rods 4, and the connecting plates 5 at the bottoms of the four first hydraulic rods 4 and the rollers 6 are positioned on two sides of the bottom plate 1, so that the rollers 6 can rotate conveniently, and the bottom plate 1 can move conveniently; the bottom of the inner shell 16 is rotatably connected with the inside of the outer shell 13, and the second opening 17 and the first opening 14 formed in the side walls of the inner shell 16 and the outer shell 13 are the same in size, so that the petroleum crude oil can be conveniently collected.

When the device is used, firstly, an electrical element in the device is externally connected with a power supply and a control switch, a connecting plate 5 is driven to vertically move by the extension of a first hydraulic rod 4 on a fixing plate 3, the connecting plate 5 drives a roller 6 to simultaneously move and supports the bottom surface, after the bottom plate 1 is jacked up, the bottom plate 1 is driven to move by pushing the bottom plate 1, so that the bottom plate 1 moves to a wellhead, the connecting plate 5 and the roller 6 are driven to move by the shortening of the first hydraulic rod 4, the roller 6 is separated from the ground and then supported by the bottom plate 1, and meanwhile, an upright post 7 in the middle of the bottom plate 1 is positioned in the wellhead;

when the first motor 11 and the second motor 26 rotate simultaneously, the first motor 11 drives the rotating wheel 12 to rotate, the second pull rope 30 wound on the rotating wheel 12 is loosened, the second motor 26 drives the second guide wheel 25 to rotate, the first pull rope 24 is loosened, the fixed shaft 2 and the shell 13 are lowered, the fixed shaft 2 drives the stand column 7 to move simultaneously, and when the fixed shaft 2 moves to a specified position, the pressing plate 10 is driven to move through extension of the second hydraulic rod 9 on the side plate 8, so that the pressing plate presses the stand column 7 tightly, and the fixed shaft 2 and the shell 13 are limited;

then, after the second guide wheel 25 is driven to rotate by the reverse rotation of the second motor 26, the first pull rope 24 is pulled to wind on the second guide wheel 25, the first pull rope 24 pulls the first guide wheel 23 to rotate, and further drives the rotating shaft 22 to rotate, the rotating shaft 22 rotates to drive the transmission gear 21 to rotate and then drive the face gear 20 to rotate, so that the connecting shaft 19 drives the inner shell 16 to rotate inside the outer shell 13, the inner shell 16 drives the second opening 17 to rotate and then positively correspond to the first opening 14 on the outer shell 13, and further the inner shell 16 is opened, so that the detected petroleum crude oil is conveniently collected, after the collection is completed, after the inner shell 16 is driven to rotate by the continuous rotation of the second motor 26, the second opening 17 is staggered with the first opening 14 after moving, and further the sample inside the inner shell 16 is protected, and the problem that the petroleum crude oil with different depths has influence on the sample when the fixed, drive sleeve shaft 18 and rotate simultaneously when inner shell 16 rotates, make sleeve shaft 18 promote fixture block 29 at the inside vertical movement of lagging 27, make the spring 28 compression back, when fixture block 29 removed the draw-in groove department that sleeve shaft 18 was seted up, thrust through spring 28 promotes fixture block 29 and carries out the joint with sleeve shaft 18, avoid taking place to rotate when vertical removal fixed axle 2, after the collection is accomplished, rotate when first motor 11 and second motor 26 and take out fixed axle 2 and shell 13, conveniently carry out concentration detection to the crude petroleum of gathering.

It is well within the skill of those in the art to implement and protect the present invention without undue experimentation and without undue experimentation that the present invention is directed to software and process improvements.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.