CN114592863A

CN114592863A - A sampler that is used for oil field exploitation well head to have impurity separation function

Info

Publication number: CN114592863A
Application number: CN202210159486.8A
Authority: CN
Inventors: 李雄
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-02-22
Filing date: 2022-02-22
Publication date: 2022-06-07

Abstract

The invention relates to the field of oil field sampling, in particular to a sampler with an impurity separation function for an oil field exploitation wellhead. Because the super viscous crude contains a large amount of paraffin, can lead to super viscous crude to solidify, make the pipeline at oil outlet valve and rear portion cause the jam, super viscous crude remains simultaneously and can cause the influence to taking a sample next time. The utility model provides a sampler that is used for oil field exploitation well head to have impurity separation function, includes first shell body, feeding agencies and arranges material mechanism etc. and feeding agencies inlays in the leading flank upper portion of first shell body, arranges the interior upper portion that material mechanism located first shell body, arranges material mechanism and feeding agencies intercommunication. According to the invention, the material taking mechanism is arranged, so that the effect of quantitative sampling is achieved during each sampling, different pressures in the oil production well are avoided, the oil outlet has different oil output amounts in unit time during sampling, an operator cannot close the oil outlet in time, and an ultra-thick oil sample overflows from the sampling barrel.

Description

A sampler that is used for oil field exploitation well head to have impurity separation function

Technical Field

The invention relates to the field of oil field sampling, in particular to a sampler with an impurity separation function for an oil field exploitation wellhead.

Background

Crude oil sampling detection is very important to handing-over measurement of oil and petroleum product, need take a sample to the crude oil of production at the oil recovery well head when oil exploitation, tests the sample through technical staff, confirms the content of each material in the crude oil, provides the accurate data of testing for geology personnel, and geology personnel take effective measure according to the test data, guarantee the production of crude oil.

When the oil recovery well head to super viscous crude samples, through opening out the oil valve, super viscous crude enters into the sampling bucket this moment, because super viscous crude's mobility is too poor, when closing out the oil valve after, can remain a large amount of super viscous crude in the pipeline at oil valve and rear portion this moment, because contain a large amount of paraffin in the super viscous crude, can lead to super viscous crude to solidify, make the pipeline that goes out oil valve and rear portion cause the jam, super viscous crude remains to lead to the fact the influence to next sample simultaneously, make the chemical examination result inaccurate, and simultaneously, can not carry out quantitative sampling when the sample, and simultaneously, owing to can produce a large amount of large granule grit at the exploitation in-process, super viscous crude's mobility is poor, a large amount of large granule grit is stayed in super viscous crude, can lead to the fact the influence to technical staff chemical examination data.

Therefore, a sampler with an impurity separation function for an oil field exploitation wellhead is needed to be provided.

Disclosure of Invention

In order to overcome the defects that a large amount of super-thick oil is remained in an oil outlet valve and a pipeline at the rear part, the super-thick oil is solidified due to the fact that the super-thick oil contains a large amount of paraffin, the oil outlet valve and the pipeline at the rear part are blocked, and the super-thick oil residue influences next sampling to cause inaccurate test results, the invention has the technical problems that: the utility model provides a sampler that is used for oil field exploitation well head to have impurity separation function.

The technical implementation scheme of the invention is as follows: a sampler with an impurity separation function for an oil field exploitation wellhead comprises a first shell, a second shell, a fixed bottom plate, guide rails, a sliding door, a material taking mechanism, a material discharging mechanism, an opening and closing mechanism and a filtering mechanism, wherein the rear part of the first shell is fixedly connected with the second shell, the first shell is communicated with the second shell, the lower ends of the first shell and the second shell are fixedly connected with the fixed bottom plate, the lower part of the front side surface of the first shell is provided with a square through hole, the left part and the right part of the front side surface of the square through hole of the first shell are respectively fixedly connected with the guide rails, the sliding door is slidably connected between the two guide rails and matched with the square through hole of the first shell, the second shell, the fixed bottom plate and the sliding door are matched to form a closed protective shell, the material taking mechanism is embedded on the upper part of the front side surface of the first shell, the material discharging mechanism is arranged on the upper inner part of the first shell, arrange material mechanism and feeding agencies intercommunication, the lower part of feeding agencies is located to the mechanism that opens and shuts, the mechanism that opens and shuts cooperates with feeding agencies, a sample to super viscous crude, filtering mechanism locates the downside of the mechanism that opens and shuts, filtering mechanism is used for filtering the large granule impurity in the super viscous crude, through first shell body, the second shell body, the protecting crust of PMKD and sliding door formation is avoided when the sample to super viscous crude, in the granule flying stone in the air enters into the sampling bucket, cause the influence to the sample result.

Further, the material taking mechanism comprises a fixed shell, flange elbows, a support, a sealing element, a connecting rod, rotating wheels, first sliding blocks and a sealing ring, wherein the fixed shell is embedded in the front side surface of the first outer shell, the front side surface and the rear side surface of the inner side of the fixed shell are arranged in a circular arc manner, the rear part of the fixed shell is provided with four first circular through holes, the four first circular through holes are symmetrically arranged from front to back, the two first circular through holes on the front side are respectively communicated with the flange elbows, the two flange elbows both penetrate through the right part of the first outer shell, the front side surface of the fixed shell is fixedly connected with the support, the middle part of the front side surface of the fixed shell is fixedly connected with the sealing element for sealing, the connecting rod penetrates through the fixed shell and the sealing element, the sealing element is slidably connected with the connecting rod, the front end of the connecting rod is arranged in a threaded manner, the middle part of the support is rotatably connected with the rotating wheels, the rotating wheels are in threaded connection with the front part of the connecting rod, and the first sliding blocks for quantitative sampling are slidably connected inside the fixed shell, first sliding block all installs the sealing ring with the upper and lower both sides face of connecting rod, and the sealing ring is used for first sliding block to slide at the stationary casing medial surface is sealed, makes at every turn take a sample the effect that reaches the ration sample, avoids the pressure difference in the oil recovery well, and the oil-out is different in the oil output in unit interval when leading to taking a sample, and operating personnel can not in time close the oil-out, causes the super viscous crude sample to spill over the sampling bucket.

Furthermore, a second circular through hole is respectively formed in the front portion and the rear portion of the first sliding block, the size of the second circular through hole is the same as that of the first circular through hole, the front side face and the rear side face of the first sliding block are arranged in an arc mode, and the front side face and the rear side face of the first sliding block are matched with the inner side face of the fixed shell and used for sealing the front side face of the fixed shell.

Further, the discharging mechanism comprises a fixed round shell, a first sliding plate, a first fixing plate, a first servo motor, a threaded rod, a first electric push rod, a round shell, a second fixing plate, a first fixing block and a telescopic component, wherein the fixed round shell is fixedly connected to the rear part of the upper side surface of the fixed shell, the fixed round shell is communicated with a first round through hole at the rear part, a sliding groove is formed in the rear part of the fixed round shell, the inner side surface of the fixed round shell is slidably connected with the first sliding plate, a threaded through hole is formed in the front part of the first sliding plate, the rear part of the outer side surface of the first sliding plate is fixedly connected with the first fixing plate, the first fixing plate is slidably connected in the sliding groove of the fixed round shell, the upper part of the inner side surface of the fixed round shell is fixedly connected with the first servo motor, the lower end of an output shaft of the first servo motor is fixedly connected with the threaded rod, the threaded rod passes through hole of the first sliding plate, and is in threaded connection with the first sliding plate, first electric putter has been inlayed at the middle part of first sliding plate, first electric putter's telescopic link lower extreme rigid coupling has circular shell, a plurality of square through hole has been seted up to circular shell lateral surface circumference, the lower extreme rigid coupling of circular shell has the second fixed plate, the upper surface middle part rigid coupling of second fixed plate has first fixed block, flexible subassembly is located in the cavity of circular shell and second fixed plate cooperation formation, circular shell and second fixed plate are with the circular through hole inner wall clean up of second, avoid super viscous crude to remain to solidify and make this device can not normal use.

Further, the telescopic component comprises a first fixed rod, a second sliding block, a first spring, a first limiting block, a second fixed rod, a third sliding block, a second spring, a second limiting block, a diamond block, a third fixed plate, a fixed sleeve, a sliding sleeve and a third spring, wherein a plurality of first fixed rods are fixedly connected with the outer side surface of the first fixed block at equal intervals in the circumferential direction, the outer ends of the plurality of first fixed rods are respectively and slidably connected with the second sliding block, the outer end of the second sliding block is arranged in an inclined plane chamfer manner, the outer end of the second sliding block penetrates through a square through hole of the circular shell, the first spring sleeve is sleeved on the outer side surface of the first fixed rod, two ends of the first spring are respectively and fixedly connected with the first fixed block and the second sliding block, the left part and the right part of the outer side surface of the second fixed block are fixedly connected with the first limiting block in an opposite manner, the second fixed rod is positioned under the first fixed rod, the outer ends of the two second fixed rods are connected with a third sliding block in a sliding way, the outer ends of the third sliding block are arranged in an inclined chamfer way and used for resetting the third sliding block, the third sliding block penetrates through the square through hole of the circular shell, the second spring ring is sleeved on the outer side surface of the second fixed rod, the two ends of the second spring ring are fixedly connected with the first fixed block and the third sliding block respectively, the left part and the right part of the outer side surface of the third sliding block are fixedly connected with a second limiting block, the second limiting block is positioned in the inner side of the first limiting block, the diamond block is fixedly connected with the lower side surface of the second sliding block, the left part and the right part of the diamond block are arranged in a plane way, the left part and the right part of the diamond block are both provided with circular grooves, the left part and the right part of the upper side surface of the third sliding block are fixedly connected with third fixed plates, the inner sides of the two third fixed plates are both fixedly connected with fixed sleeves in a sliding way, the outer side surfaces of the two sliding sleeves are both arranged in a round head way, the inner of two sliding sleeves cooperates with the circular slot of diamond-shaped block, and the both ends difference rigid coupling of third spring is in fixed cover and sliding sleeve, and sliding sleeve and diamond-shaped block cooperation are used for driving the third sliding block and reset, clear up remaining super viscous crude in to rectangular filtration pore through second sliding block and third sliding block, reduce the amount of residue of super viscous crude, avoid super viscous crude to solidify and make rectangular filtration pore block up.

Furthermore, the opening and closing mechanism comprises a first square shell, a second sliding plate, an arc-shaped ring, a sliding shell, a second fixed block, a rotating ring, a first gear, a rotating rod, a first connecting block, a first rack, a second connecting block and a second rack, wherein the first square shell is fixedly connected to the rear part of the lower side surface of the fixed shell, a circular through hole is formed in the middle of the first square shell, the square through hole of the first square shell is communicated with the first circular through hole in the rear part of the fixed shell, the left part of the inner side surface of the first square shell is slidably connected with the second sliding plate, the right side of the second sliding plate is arranged in a circular arc manner, the right end of the second sliding plate is fixedly connected with the arc-shaped ring, the arc-shaped ring and the right circular arc of the second sliding plate enclose a circle with the same size as the circular through hole of the first square shell, the right part of the inner side surface of the first square shell is slidably connected with the sliding shell, the left side of the sliding shell is arranged in a circular arc manner, and the arc-shaped ring and the second sliding plate are slidably connected to the inner side surface of the sliding shell, the sliding shell is matched with a second sliding plate to seal a first circular through hole at the rear part of the lower side surface of the fixed shell, the arc-shaped ring is used for sealing the left side of the sliding shell, a second fixed block is fixedly connected with the lower part of the rear side surface of the fixed shell, the lower side surface of the second fixed block is rotatably connected with a rotating ring, the lower end of the rotating ring is fixedly connected with a first gear, the middle part of the first gear is provided with a circular guide hole, a rotating rod passes through the second fixed block, the rotating ring and the first gear, the upper end of the rotating rod is fixedly connected with a first fixed plate, the outer side surface of the lower part of the rotating rod is provided with two spiral guide rails, the two spiral guide rails of the rotating rod are matched with the circular guide hole of the first gear, the right part of the rear side surface of the sliding shell is fixedly connected with a first connecting block, the left side surface of the first connecting block is fixedly connected with a first rack, the first rack is positioned at the front side of the first gear and is mutually meshed, the left part of the rear side surface of the second sliding plate is fixedly connected with a second connecting block, the rear end right flank rigid coupling of second connecting block has the second rack, the second rack is located the rear side and the intermeshing of first gear, second sliding plate and sliding shell and the cooperation of first square shell simultaneously, the circular through-hole department of seting up first square shell seals, through the second sliding plate, arc ring and the cooperation of sliding shell form airtight cavity, avoid super viscous crude to flow into the inside solidification of first square shell, lead to this device can not normal use, cooperate first sliding block to reach the effect of ration sample simultaneously.

Furthermore, the material of the arc-shaped ring is hard alloy material, and the upper side surface and the lower side surface of the arc-shaped ring are provided with sealing strips.

Furthermore, the filtering mechanism comprises a fixed circular tube, a filtering tube, fixed strips, a second electric push rod, connecting plates, a sliding bottom plate and arc-shaped sliding strips, the fixed circular tube is fixedly connected to the lower side surface of the first square shell, the filtering tube is arranged in the fixed circular tube, the filtering tube is fixedly connected to the lower side surface of the first square shell, the filtering tube is communicated with the circular through hole of the first square shell, the inner diameter of the filtering tube is the same as the size of the circular through hole of the first square shell, a plurality of strip-shaped filtering holes for filtering are circumferentially and equidistantly formed in the filtering tube, the widths of the second sliding block, the third sliding block and the strip-shaped filtering holes are the same as that of the filtering holes, the fixed strips are fixedly connected to the left part and the right part between the fixed circular tube and the filtering tube, the second electric push rod is embedded at the lower parts of the two fixed strips, the connecting plates are fixedly connected to the lower ends of the second electric push rod, the sliding bottom plate is fixedly connected to the upper side surfaces of the two connecting plates, and the sliding bottom plate is in sealing fit with the lower ends of the filtering tube, the equal sliding connection in front and back two between fixed pipe and the filter tube has arc slide bar, and arc slide bar is soft rubber material, and arc slide bar receives the extrusion force of fixed pipe and filter tube, and square blind hole has been seted up to arc slide bar's medial surface, and the third sliding block is the same with square blind hole size, extrudees super viscous crude downwards through round shell and second fixed plate, filters large granule impurity through rectangular filtration pore, avoids large granule impurity to cause the influence to follow-up sample detection.

Further, the filter residue collecting device comprises a filter residue collecting mechanism, wherein the filter residue collecting mechanism comprises a first electric slide rail, a first connecting frame, a second square shell, a third fixed block, an H-shaped sliding plate, tension springs, sliding connecting strips, a square groove plate, a special-shaped plate, a second connecting frame, a scraping component, a second electric slide rail and a collecting shell, the first electric slide rail is fixedly connected with the left side and the right side of the inner upper part of the second outer shell, an electric slide block is arranged on the first electric slide rail in a sliding manner, the lower side of the electric slide block on the first electric slide rail is fixedly connected with the first connecting frame, the lower ends of the two first connecting frames are fixedly connected with the second square shell, the front side surface of the second square shell is fixedly connected with the third fixed block, the lower part of the third fixed block is provided with a sliding groove, the H-shaped sliding plate penetrates through the sliding groove of the third fixed block, the H-shaped sliding plate is slidably connected with the third fixed block, the left side and the right side of the third fixed block are provided with the tension springs, two ends of a tension spring are respectively fixedly connected with a third fixed block and an H-shaped sliding plate, the left part and the right part of the H-shaped sliding plate are respectively and slidably connected with a sliding connecting strip, the lower side surface of the sliding connecting strip is fixedly connected with a square groove plate, the middle part of the square groove plate is provided with a groove, the front part and the rear part of the inner side surface of the square groove plate are respectively and fixedly connected with a second connecting frame, a special-shaped plate is fixedly connected between the lower parts of the two second connecting frames, the special-shaped plate is positioned at the middle part of the square groove plate at the groove opening part, the front end of the special-shaped plate is arranged in an inclined plane, the square groove plate is matched with the special-shaped plate to form a sliding groove, the special-shaped plate is slidably connected with the H-shaped sliding plate, a scraping component is divided into two parts, the scraping component is arranged at the front part and the rear part of the sliding connecting strip, the scraping component is used for scraping residual super-thick oil, the left part and the right part of the inner side surface of the second outer shell are fixedly connected with a second electric sliding rail, the left part and the inner side surface of the second outer shell, an electric sliding plate is slidably connected with an electric sliding block, a collecting shell is slidably arranged on the second electric sliding rail, a collecting shell is arranged between the inner side surface of the electric sliding block of the second sliding block, a collecting shell, the extremely viscous oil that the rotor plate was glued to arc sliding strip downside and is stayed strikes off, reduces the residue of extremely viscous oil, avoids extremely viscous oil to solidify and causes this device can not normal use.

Furthermore, the scraping component comprises a fourth sliding block, a third rack, a second servo motor, a second gear, a rotating plate, a fixed seat, a sliding rod, a fourth spring, a rotating shaft, a rotating block, a torsion spring and a stop block, wherein the rear inner side surfaces of the two groups of sliding connecting strips and the square groove plate are respectively connected with the fourth sliding block in a sliding way, the upper inner side surface of the fourth sliding block on the left side is fixedly connected with the third rack, the lower inner side surface of the fourth sliding block on the right side is fixedly connected with the third rack, the third rack on the left side is positioned above the third rack on the right side, the left side surface and the right side surface of the second square shell are provided with T-shaped through holes for guiding the third racks on the left side and the right side, the two third racks respectively pass through the T-shaped through holes of the second square shell, the second servo motor is fixedly connected with the rear side surface of the second square shell, the output shaft of the second servo motor passes through the second square shell, and the front end of the output shaft of the second servo motor is fixedly connected with the second gear, two third racks are located the upper and lower both sides of second gear respectively, two third racks all mesh with the second gear, two sliding connection strip's front end all articulates there is the rotor plate that is used for striking off remaining super viscous crude, the inner of two rotor plates is articulated each other, the equal rigid coupling in the side front of going up of two electronic slide rails of second has the fixing base, sliding connection has on the fixing base and is used for spacing slide bar, the inner of two slide bars all passes the sliding tray, the outside cover of slide bar is equipped with the fourth spring, the both ends of fourth spring rigid coupling respectively in slide bar and fixing base, the front end of dysmorphism board has seted up flutedly, the front end rigid coupling of dysmorphism board has the axis of rotation, axis of rotation is connected with the turning block, the left and right sides of axis of rotation is overlapped and is equipped with the torsional spring, the both ends of torsional spring rigid coupling respectively in dysmorphism board and turning block, the recess upper portion rigid coupling of dysmorphism board has and is used for spacing dog.

The invention has the following advantages: the invention prevents particles in air from flying stones from entering a sampling barrel to influence a sampling result when sampling ultra-thick oil through a protective shell formed by a first outer shell, a second outer shell, a fixed bottom plate and a sliding door, prevents the ultra-thick oil from overflowing from the front part of the fixed shell along a connecting rod by arranging a material taking mechanism and sealing the connecting rod in the backward moving process through a sealing element, and at the same time, the ultra-thick oil sample is filled in a second circular through hole at the rear part of a first sliding block, so that the quantitative sampling effect is achieved by sampling each time, different pressures in an oil production well are avoided, different oil output amounts of oil outlets in unit time during sampling are different, operators cannot close the oil outlets in time to cause the ultra-thick oil sample to overflow the sampling barrel, and the ultra-thick oil is always in a flowing state in the backward moving process of the first sliding block, so as to avoid the pipeline from being damaged due to overlarge pressure in the pipeline, the front side and the back side of the first sliding block are attached to the inner side of the fixed shell, so that the overflow of the super-thick oil from the front part of the fixed shell is avoided, the material discharging mechanism is arranged, the inner wall of the second circular through hole is cleaned by the circular shell and the second fixed plate, the phenomenon that the super-thick oil is solidified to prevent the super-thick oil from being remained to enable the device to be used normally is avoided, then the third sliding block drives the arc-shaped sliding strip to move downwards, the super-thick oil remained in the strip-shaped filtering hole is cleaned by the second sliding block and the third sliding block, the residual super-thick oil is reduced, the strip-shaped filtering hole is prevented from being blocked by the super-thick oil, meanwhile, the residual super-thick oil can affect a sample to be sampled, the arc-shaped ring is matched with the left end of the sliding shell by arranging the opening and closing mechanism, the arc-shaped ring is matched with the sliding shell to enable the sliding shell to form a closed shell, the super-thick oil is prevented from entering the sliding shell to be solidified to enable the device to be used normally, meanwhile, the second sliding plate and the sliding shell are matched with the first square shell to seal the round through hole formed in the first square shell, so that the super-thick oil is prevented from flowing into the first square shell to be solidified, and the first sliding block is matched to achieve the effect of quantitative sampling, so that the device cannot be normally used, the super-thick oil is prevented from flowing downwards along the second round through hole at the rear part of the first sliding block by the pressure in the oil production well in the backward moving process of the first sliding block by matching the second sliding plate with the sliding shell, so that the super-thick oil overflows from the lower part of the device, the super-thick oil is extruded downwards by the round shell and the second fixing plate by the arrangement of the filtering mechanism, large-particle impurities are filtered by the strip filtering hole, the influence of the large-particle impurities on the subsequent sample detection is avoided, and the electric sliding block of the first electric sliding rail drives the components on the first electric sliding rail to reset by the arrangement of the filter residue collecting mechanism, the extremely thick oil that the rotor plate was glued to the arc slide bar downside and is stayed strikes off this moment, reduces the residue of extremely thick oil, avoids extremely thick oil to solidify and causes this device can not normal use.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic sectional perspective view of the present invention.

Fig. 3 is a schematic perspective view of a material taking mechanism according to the present invention.

Fig. 4 is a schematic partial perspective view of a material taking mechanism according to the present invention.

Fig. 5 is a schematic perspective view of the discharging mechanism of the present invention.

Fig. 6 is a schematic sectional three-dimensional structure of the discharging mechanism of the present invention.

Fig. 7 is a partially cut-away perspective structural diagram of the first discharging mechanism of the present invention.

Fig. 8 is an enlarged perspective view of the invention at a.

Fig. 9 is a partial perspective view of the second discharging mechanism of the present invention.

Fig. 10 is a rear perspective view of the opening and closing mechanism of the present invention.

Fig. 11 is a partially sectional perspective view of the first opening and closing mechanism of the present invention.

Fig. 12 is a partially sectional perspective view of a second opening and closing mechanism according to the present invention.

Fig. 13 is a schematic cross-sectional perspective view of the filter mechanism of the present invention.

Fig. 14 is a partial perspective view of the filter mechanism of the present invention.

Fig. 15 is a schematic perspective view of the residue collecting mechanism of the present invention.

Fig. 16 is a schematic view of a partial rear perspective structure of the residue collection mechanism of the present invention.

Fig. 17 is a schematic view of a filter residue collection mechanism of the present invention in a partial side view.

Fig. 18 is an enlarged perspective view of the present invention at B.

The parts are labeled as follows: 1-a first outer housing, 2-a second outer housing, 3-a fixed bottom plate, 4-a guide rail, 5-a sliding door, 601-a fixed shell, 602-a first circular through hole, 603-a flange elbow, 604-a bracket, 605-a sealing member, 606-a connecting rod, 607-a rotating wheel, 608-a first sliding block, 609-a sealing ring, 610-a second circular through hole, 701-a fixed circular shell, 702-a first sliding plate, 703-a first fixed plate, 704-a first servo motor, 705-a threaded rod, 706-a first electric push rod, 707-a circular shell, 708-a second fixed plate, 709-a first fixed block, 710-a first fixed rod, 711-a second sliding block, 712-a first spring, 713-a first limiting block, 714-second fixed rod, 715-third sliding block, 716-second spring, 717-second limiting block, 718-diamond block, 719-third fixed plate, 720-fixed sleeve, 721-sliding sleeve, 722-third spring, 801-first square shell, 802-second sliding plate, 803-arc ring, 804-sliding shell, 805-second fixed block, 806-rotating ring, 807-first gear, 808-rotating rod, 809-first connecting block, 810-first rack, 811-second connecting block, 812-second rack, 901-fixed circular tube, 902-filtering tube, 903-long filtering hole, 904-fixed bar, 905-second electric push rod, 906-connecting plate, 907-sliding bottom plate, 908-arc sliding bar, 909-square blind hole, 1001-first electric slide rail, 1002-first connecting frame, 1003-second square shell, 1004-third fixed block, 1005-H slide plate, 1006-tension spring, 1007-slide connecting bar, 1008-square slotted plate, 1009-special plate, 1009 a-slide slot, 1010-second connecting frame, 1011-fourth slide block, 1012-third rack, 1013-second servo motor, 1014-second gear, 1015-rotating plate, 1016-fixed seat, 1017-slide rod, 1018-fourth spring, 1019-rotating shaft, 1020-rotating block, 1021-torsion spring, 1022-stop block, 1023-second electric slide rail and 1024-collecting shell.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings. It is only noted that the invention is intended to be limited to the specific forms set forth herein, including any reference to the drawings, as well as any other specific forms of embodiments of the invention.

Example 1

A sampler with an impurity separation function for an oil field exploitation wellhead comprises a first outer shell 1, a second outer shell 2, a fixed bottom plate 3, guide rails 4, a sliding door 5, a material taking mechanism, a material discharging mechanism, an opening and closing mechanism and a filtering mechanism, wherein the second outer shell 2 is fixedly connected to the rear part of the first outer shell 1, the first outer shell 1 is communicated with the second shell, the fixed bottom plate 3 is fixedly connected to the lower ends of the first outer shell 1 and the second shell, a square through hole is formed in the lower part of the front side surface of the first outer shell 1, the guide rails 4 are respectively and fixedly connected to the left part and the right part of the front side surface of the square through hole of the first outer shell 1, the sliding door 5 is slidably connected between the two guide rails 4, the sliding door 5 is matched with the square through hole of the first outer shell 1, the second outer shell 2, the fixed bottom plate 3 and the sliding door 5 are matched to form a sealed protective shell, avoid when taking a sample super viscous crude, granule flying stone in the air enters into the sampling bucket in, cause the influence to the sample result, a feeding agencies inlays in the leading flank upper portion of first shell body 1 for quantitative sampling, material mechanism locates the interior upper portion of first shell body 1, it communicates with feeding agencies to arrange the material mechanism, feeding agencies's lower part is located to the mechanism that opens and shuts, the mechanism and the feeding agencies cooperation that opens and shuts, be used for taking a sample super viscous crude, reach the effect to super viscous crude quantitative sampling, filtering agencies locates the downside of the mechanism that opens and shuts, filtering agencies is used for filtering the large granule impurity in the super viscous crude.

When the device is used, an operator communicates the device between oil outlet pipelines of an oil extraction wellhead, then the operator slides the sliding door 5 upwards, then the operator places the sampling barrel in the first outer shell 1, the second outer shell 2 and the fixed bottom plate 3 are matched to form a cavity, then the operator resets the sliding door 5, at the moment, the protective shell formed by the first outer shell 1, the second outer shell 2, the fixed bottom plate 3 and the sliding door 5 prevents particle flying stones in the air from entering the sampling barrel to influence the sampling result when sampling the ultra-thick oil, then the operator starts the material taking mechanism which quantitatively samples the ultra-thick oil, then the operator starts the material discharging mechanism which discharges the ultra-thick oil sample in the material taking mechanism, meanwhile, the material discharging mechanism drives the opening and closing mechanism to open, and then the ultra-thick oil sample is discharged from the material taking mechanism, in the mechanism enters into filter mechanism through opening and shutting, extrudees super viscous crude sample downwards through arranging material mechanism, and super viscous crude sample filters through filter mechanism, filters large granule impurity, and super viscous crude sample after the filtration enters into the sampling bucket in, operating personnel takes out the sampling bucket afterwards and carries out follow-up operation, and operating personnel clears up the residue after filtering afterwards, avoids remaining super viscous crude sample to solidify, influences this device and uses next time.

Example 2

On the basis of embodiment 1, as shown in fig. 3 to 4, the material taking mechanism includes a fixed shell 601, flange elbows 603, a bracket 604, a sealing element 605, a connecting rod 606, a rotating wheel 607, a first sliding block 608 and a sealing ring 609, the fixed shell 601 is embedded in the front side surface of the first outer shell 1, the front and back side surfaces of the inner side of the fixed shell 601 are arranged in an arc shape, the rear portion of the fixed shell 601 is provided with four first circular through holes 602, the four first circular through holes 602 are symmetrically arranged in the front and back direction, the two first circular through holes 602 on the front side are respectively communicated with the flange elbows 603, the two flange elbows 603 pass through the right portion of the first outer shell 1, the front side surface of the fixed shell 601 is fixedly connected with the bracket 604, the middle portion of the front side surface of the fixed shell 601 is fixedly connected with the sealing element for sealing, the connecting rod 606 passes through the fixed shell 601 and the sealing element 605, the sealing element 605 is slidably connected with the connecting rod 606, the front end of the connecting rod 606 is arranged in a thread, the middle part of the bracket 604 is rotatably connected with a rotating wheel 607, the rotating wheel 607 is in threaded connection with the front part of the connecting rod 606, a first sliding block 608 for quantitative sampling is in sliding connection with the inside of the fixed shell 601, the front part and the back part of the first sliding block 608 are respectively provided with a second circular through hole 610, the size of the second circular through hole 610 is the same as that of the first circular through hole 602, the front side and the back side of the first sliding block 608 are arranged in an arc shape, the front side and the back side of the first sliding block 608 are matched with the inner side of the fixed shell 601 and used for sealing the front side of the fixed shell 601 and avoiding overflow of super heavy oil along the connecting rod 606, the first sliding block 608 is fixedly connected with the back end of the connecting rod 606, the upper side and the lower side of the first sliding block 608 are both provided with sealing rings 609, the sealing rings 609 are used for the first sliding block 608 in sealing on the inner side of the fixed shell 601 to achieve the effect of quantitative sampling at each time, different pressures in the oil extraction well are avoided by arranging the second circular through the second through hole 610 of the first sliding block 608, the oil-out is different in the volume of producing oil in unit interval when leading to the sample, and operating personnel can not in time close the oil-out, causes the super viscous crude sample to spill over the sampling bucket.

As shown in fig. 5-9, the discharging mechanism includes a fixed circular shell 701, a first sliding plate 702, a first fixed plate 703, a first servo motor 704, a threaded rod 705, a first electric push rod 706, a circular shell 707, a second fixed plate 708, a first fixed block 709, a first fixed rod 710, a second sliding block 711, a first spring 712, a first limited block 713, a second fixed rod 714, a third sliding block 715, a second spring 716, a second limited block 717, a diamond block 718, a third fixed plate 719, a fixed sleeve 720, a sliding sleeve 721 and a third spring 722, the fixed circular shell 701 is fixedly connected to the rear of the upper side of the fixed shell 601, the fixed circular shell 701 is communicated with a first circular through hole 602 at the rear, the rear of the fixed circular shell 701 is provided with a sliding slot, the inner side of the fixed circular shell 701 is slidably connected with the first sliding plate 702, the front of the first sliding plate 702 is provided with a threaded through hole, the rear of the outer side of the first sliding plate 702 is fixedly connected with the first fixed plate 703, the first fixing plate 703 is slidably connected in a sliding slot of the fixed round shell 701, a first servo motor 704 is fixedly connected to the upper portion of the inner side surface of the fixed round shell 701, a threaded rod 705 is fixedly connected to the lower end of an output shaft of the first servo motor 704, the threaded rod 705 passes through a threaded through hole of the first sliding plate 702, the threaded rod 705 is in threaded connection with the first sliding plate 702, a first electric push rod 706 is embedded in the middle of the first sliding plate 702, a round shell 707 is fixedly connected to the lower end of a telescopic rod of the first electric push rod 706, a plurality of square through holes are circumferentially arranged on the outer side surface 707 of the round shell, a second fixing plate 708 is fixedly connected to the lower end of the round shell 707, a first fixing block 709 is fixedly connected to the middle of the upper surface of the second fixing plate 708, a plurality of first fixing rods 710 are circumferentially and equidistantly fixedly connected to the outer side surface of the first fixing rod 710, a second sliding block 711 is slidably connected to the outer end of the second sliding block 711 is provided with an inclined chamfer angle, the outer end of the second sliding block 711 passes through the square through hole of the circular shell 707, the first spring 712 is sleeved on the outer side surface of the first fixing rod 710, two ends of the first spring 712 are respectively and fixedly connected with the first fixing block 709 and the second sliding block 711, the left and right parts of the outer side surface of the second sliding block 711 are respectively and fixedly connected with the first limiting block 713, the outer side surface of the first fixing block 709 is oppositely and fixedly connected with the second fixing rod 714, the second fixing rod 714 is positioned under the first fixing rod 710, the outer ends of the two second fixing rods 714 are slidably connected with the third sliding block 715, the outer end of the third sliding block 715 is provided with an inclined chamfer for resetting of the third sliding block 715, the third sliding block 715 passes through the square through hole of the circular shell 707, the second spring 716 is sleeved on the outer side surface of the second fixing rod 714, two ends of the second spring 716 are respectively and fixedly connected with the first fixing block 709 and the third sliding block 715, the left and right parts of the outer side surface of the third sliding block 715 are respectively and fixedly connected with the second limiting block 717, the second limiting block 717 is located more inward than the first limiting block 713, the diamond block 718 is fixedly connected to the lower side face of the second sliding block 711, the left portion and the right portion of the diamond block 718 are arranged in a plane, circular grooves are formed in the left portion and the right portion of the diamond block 718, third fixing plates 719 are fixedly connected to the left portion and the right portion of the upper side face of the third sliding block 715, fixing sleeves 720 are fixedly connected to the inner side faces of the two third fixing plates 719, sliding sleeves 721 are slidably connected to the outer side faces of the fixing sleeves 720, the inner ends of the two sliding sleeves 721 are arranged in a round head shape, the inner ends of the two sliding sleeves 721 are matched with the circular grooves of the diamond block 718, two ends of a third spring 722 are fixedly connected to the fixing sleeves 720 and the sliding sleeves 721 respectively, the sliding sleeves 721 are matched with the diamond block 718 to drive the third sliding block to reset, and the ultra-thick oil residue 715 is prevented from being solidified so that the device cannot be used normally.

As shown in fig. 10-12, the opening and closing mechanism includes a first square shell 801, a second sliding plate 802, an arc-shaped ring 803, a sliding shell 804, a second fixed block 805, a rotating ring 806, a first gear 807, a rotating rod 808, a first connecting block 809, a first rack 810, a second connecting block 811 and a second rack 812, the first square shell 801 is fixedly connected to the rear portion of the lower side of the fixed shell 601, a circular through hole is formed in the middle of the first square shell 801, the square through hole of the first square shell 801 is communicated with the first circular through hole 602 in the rear portion of the fixed shell 601, the left portion of the inner side of the first square shell 801 is slidably connected to the second sliding plate 802, the right side of the second sliding plate 802 is arranged in an arc shape, the right end of the second sliding plate 802 is fixedly connected to the arc-shaped ring 803, the arc-shaped ring 803 is made of a hard alloy material, the sealing strips are installed on the upper and lower sides of the arc-shaped ring 803, the arc-shaped ring 803 and the right side of the second sliding plate 802 enclose a circle having the same size as the circular through hole of the first square shell 801, the right part of the inner side surface of the first square shell 801 is slidably connected with a sliding shell 804, the left side of the sliding shell 804 is arranged in a circular arc manner, an arc-shaped ring 803 and a second sliding plate 802 are slidably connected with the inner side surface of the sliding shell 804, the sliding shell 804 is matched with the second sliding plate 802 to seal a first circular through hole 602 at the rear part of the lower side surface of the fixed shell 601, the arc-shaped ring 803 is used for sealing the left side of the sliding shell 804, a second fixed block 805 is fixedly connected with the lower part of the rear side surface of the fixed shell 601, the lower side surface of the second fixed block 805 is rotatably connected with a rotating ring 806, the lower end of the rotating ring 806 is fixedly connected with a first gear 807, a circular guide hole is arranged in the middle of the first gear 807, a rotating rod 808 penetrates through the second fixed block 805, the rotating ring 806 and the first gear 807, the upper end of the rotating rod 808 is fixedly connected with the first fixed plate 703, two spiral guide rails are arranged on the outer side surface of the lower part of the rotating rod 808, the two spiral guide rails are matched with the circular guide hole of the first gear 807, the rear side right part of slip shell 804 is rigid coupling has first connecting block 809, the left surface rigid coupling of first connecting block 809 has first rack 810, first rack 810 is located the front side and the intermeshing of first gear 807, the rear side left part rigid coupling of second sliding plate 802 has second connecting block 811, the rear end right flank rigid coupling of second connecting block 811 has second rack 812, second rack 812 is located the rear side and the intermeshing of first gear 807, through second sliding plate 802, arc ring 803 and slip shell 804 cooperation form airtight cavity, it solidifies to avoid super viscous crude to enter into slip shell 804, make this device unable normal use.

As shown in fig. 13-14, the filtering mechanism includes a fixed circular tube 901, a filtering tube 902, a fixed strip 904, a second electric push rod 905, a connecting plate 906, a sliding bottom plate 907 and an arc-shaped sliding strip 908, the fixed circular tube 901 is fixedly connected to the lower side surface of the first square shell 801, the filtering tube 902 is arranged inside the fixed circular tube 901, the filtering tube 902 is fixedly connected to the lower side surface of the first square shell 801, the filtering tube 902 is communicated with the circular through hole of the first square shell 801, the inner diameter of the filtering tube 902 is the same as the circular through hole of the first square shell 801, a plurality of long filtering holes 903 for filtering are arranged on the filtering tube 902 at equal intervals in the circumferential direction, a second sliding block 711 and a third sliding block 715 are the same as the width of the long filtering holes 903, the fixed strips 904 are fixedly connected to the left and right portions between the fixed circular tube 901 and the filtering tube 902, the second electric push rod 905 is embedded at the lower portions of the two fixed strips 904, the connecting plate 906 is fixedly connected to the lower end of the second electric push rod 905, the upper side of two connecting plates 906 is fixedly connected with a sliding bottom plate 907, the sliding bottom plate 907 is in sealing fit with the lower end of the filter pipe 902, the front part and the rear part between the fixed circular pipe 901 and the filter pipe 902 are both in sliding connection with arc-shaped sliding strips 908, the arc-shaped sliding strips 908 are made of soft rubber, the arc-shaped sliding strips 908 are subjected to extrusion force of the fixed circular pipe 901 and the filter pipe 902, the inner side of the arc-shaped sliding strips 908 is provided with square blind holes 909, the size of the third sliding block 715 is the same as that of the square blind holes 909, the outer end of the third sliding block 715 penetrates into the square blind holes 909, and the third sliding block 715 drives the arc-shaped sliding strips 908 to slide downwards.

An operator communicates the flange bent pipes 603 on the upper side and the lower side with oil outlet pipelines of an oil extraction wellhead, ultra-thick oil flows in from the flange bent pipe 603 on the lower side and flows out from the flange bent pipe 603 on the upper side, then the operator rotates the rotating wheel 607 clockwise, the rotating wheel 607 drives the connecting rod 606 to move backwards, the connecting rod 606 is sealed by the sealing element 605 in the backward moving process, the ultra-thick oil is prevented from overflowing from the front part of the fixed shell 601 along the connecting rod 606, the connecting rod 606 drives the first sliding block 608 and the sealing ring 609 to move backwards, at the moment, the second circular through hole 610 at the rear part of the first sliding block 608 is filled with an ultra-thick oil sample, the two second circular through holes 610 arranged through the first sliding block 608 enable each sampling to achieve the quantitative sampling effect, the situation that the oil outlets have different oil output amounts in unit time during sampling and cannot be closed in time due to the different pressures in the oil extraction well is avoided, cause the super viscous crude sample to spill over the sampling bucket through the sealing ring 609 that sets up, make first sliding block 608 and fixed shell 601 sealing fit, after the trailing flank of first sliding block 608 and fixed shell 601 contact, the anterior second circular through-hole 610 of first sliding block 608 and two flange return bends 603 intercommunication, super viscous crude continues to flow upwards along the anterior second circular through-hole 610 of first sliding block 608 this moment, in the in-process that first sliding block 608 moved backward, super viscous crude is in the mobile state always, avoid the pipeline internal pressure too big, cause the pipeline to damage, the front and back both sides of first sliding block 608 and the medial surface laminating of fixed shell 601, so avoid super viscous crude to spill over from fixed shell 601 front portion.

Then, an operator starts the first servo motor 704, an output shaft of the first servo motor 704 drives the threaded rod 705 to rotate clockwise, the threaded rod 705 drives the first sliding plate 702 to move downwards, the first sliding plate 702 drives the first electric push rod 706 to move downwards, the first electric push rod 706 drives the circular shell 707 and the second fixing plate 708 to move downwards, the circular shell 707 and the second fixing plate 708 push downwards the super-thick oil sample in the second circular through hole 610 at the rear part of the first sliding block 608, simultaneously, the first sliding plate 702 drives the first fixing plate 703 to move downwards, the first fixing plate 703 drives the rotating rod 808 to move downwards, the rotating rod 808 drives the first gear 807 and the rotating ring 806 to rotate anticlockwise through the spiral guide rail, at this time, the first gear 807 drives the first rack 810 and the second rack 812 to be away from each other from the left and the right, the first rack 810 drives the sliding shell 804 to slide rightwards through the first connecting block 809, the second rack 812 drives the second sliding plate 802 and the arc-shaped ring 803 to slide to the left through the second connecting block 811, the inner ends of the second sliding plate 802 and the sliding shell 804 form a circle with the same size as the circular through hole of the first square shell 801, and the arc-shaped ring 803 is matched with the left end of the sliding shell 804, at this time, the arc-shaped ring 803 is matched with the sliding shell 804, so that the sliding shell 804 forms a closed shell, and the ultra-thick oil is prevented from entering the sliding shell 804 to be solidified, so that the device can not be used normally, meanwhile, the second sliding plate 802 and the sliding shell 804 are matched with the first square shell 801 to seal the circular through hole arranged on the first square shell 801, so that the ultra-thick oil is prevented from flowing into the first square shell 801 to be solidified, and the effect of quantitative sampling is achieved by matching with the first sliding block 608, so that the device can not be used normally, and in the process of backward movement of the first sliding block 608 through the cooperation of the second sliding plate 802 and the sliding shell 804, the pressure in the production well is prevented from causing the super heavy oil to flow downwards along the second circular through hole 610 at the first sliding rear part, so that the super heavy oil overflows from the lower part of the device.

After the second sliding plate 802 and the sliding shell 804 are completely opened, an operator starts the first electric push rod 706, the telescopic rod of the first electric push rod 706 drives the circular shell 707 and the second fixing plate 708 to move downwards, the circular shell 707 and the second fixing plate 708 drive the components therein to move downwards, at this time, the circular shell 707 and the second fixing plate 708 push the super-thick oil in the second circular through hole 610 at the rear part of the first sliding downwards, simultaneously, the circular shell 707 and the second fixing plate 708 clean the inner wall of the second circular through hole 610 completely, so as to avoid the super-thick oil from remaining and solidifying to cause the device to be incapable of being used normally, when the super-thick oil moves to the filter pipe 902, the super-thick oil overflows along the long filter hole 903 through the extrusion force of the circular shell 707 and the second fixing plate 708 to the super-thick oil, the super-thick oil overflowing continuously flows downwards to the sampling barrel along the gap between the fixed circular pipe 901 and the filter pipe 902, at this time, impurities mixed in the super-thick oil leave large particles in the filter pipe 902, when the circular shell 707 and the second fixed plate 708 move to the upper end of the filter pipe 902, the second sliding block 711 and the third sliding block 715 slide outwards under the action of the elastic force of the first spring 712 and the second spring 716, first the outer end of the third sliding block 715 is inserted into the square blind hole 909, the third sliding block 715 drives the third fixed plate 719, the fixed sleeve 720, the sliding sleeve 721 and the third spring 722 to slide outwards, at this time, the elastic force of the second spring 716 is greater than the pressing force between the sliding sleeve 721 and the diamond 718, at this time, the sliding sleeve 721 and the diamond 718 do not cooperate with each other, then the second sliding block 711 is inserted into the elongated filter hole 903, at this time, the second sliding block 711 drives the diamond 718 to move outwards, then under the action of the first limiting block 713 and the second limiting block 717, the extending lengths of the second sliding block 711 and the third sliding block 718 are different, and the diamond presses the sliding sleeve 721 towards both sides, the diamond 718 is engaged with the sliding sleeve 721 by the elastic force of the third spring 722.

Then the third sliding block 715 drives the arc-shaped sliding strip 908 to move downwards, at this time, the second sliding block 711 and the third sliding block 715 clean the residual super-thick oil in the long-strip filtering hole 903, so as to reduce the residual amount of the super-thick oil, prevent the super-thick oil from solidifying to block the long-strip filtering hole 903, and simultaneously, the residual super-thick oil can affect the sample to be sampled, at the same time, the arc-shaped sliding strip 908 can extrude the residual super-thick oil downwards on the inner wall of the fixed 901 circular tube and the outer wall of the filtering tube 902, so that the super-thick oil can completely enter the sampling barrel, at this time, the super-thick oil in the filtering tube 902 can be completely filtered, then the operator slides the sliding door 5 upwards to take out the sampling barrel filled with the super-thick oil, then the operator starts the second electric push rod 905, the telescopic rod of the second electric push rod 905 drives the sliding bottom plate 907 to move downwards through the connecting plate 906, and cleans the lower side surface of the arc-shaped sliding strip 908 and the upper side surface of the sliding bottom plate 907 through the operator, convenient next use, clearance finishes the back operating personnel and starts second electric putter 905 and make sliding bottom plate 907 reset, then operating personnel closes second electric putter 905, then operating personnel makes sliding door 5 reset, and operating personnel starts first electric putter 706 afterwards, and first electric putter 706's telescopic link drives the part rebound on it, and third sliding block 715 drives arc sliding strip 908 and upwards slides this moment.

When the outer end inclined surface of the second slider 711 contacts the strainer 902, the second slider 711 is pressed, the second slider 711 is reset under the pressing action of the strainer 902 on the second slider 711, the second slider 711 drives the diamond 718 to move inward, the pressing force between the diamond 718 and the sliding sleeve 721 is greater than the elastic force of the second spring 716, then the diamond 718 drives the sliding sleeve 721 to move backward, the sliding sleeve 721 drives the third slider 715 to move inward through the third fixing plate 719, the inclined surface of the third slider 715 contacts the strainer 902, the inclined surface of the third slider 715 is pressed by the strainer 902, so that the third slider 715 is reset, the elastic force of the first spring 712 is greater than the pressing force between the diamond 718 and the sliding sleeve 721, and the diamond 718 and the sliding sleeve are not matched again.

After the first electric push rod 706 drives the parts on the telescopic rod to reset, the operator closes the first electric push rod 706, then the operator starts the first servo motor 704, the output shaft of the first servo motor 704 drives the threaded rod 705 to rotate counterclockwise, at this time, the first sliding plate 702 drives the first fixing plate 703 and the rotating rod 808 to reset, the first gear 807 drives the first rack 810 and the second rack 812 to reset, then the first rack 810 and the second rack 812 drive the second sliding plate 802, the arc-shaped ring 803 and the sliding shell 804 to reset, then the operator closes the first servo motor 704, then the operator rotates the rotating wheel 607 counterclockwise to reset the first sliding block 608, so that the second circular through hole 610 in the front of the first sliding block 608 is communicated with the flange bent pipes 603 on both sides, and the ultra-thick oil continues to flow upward, which is convenient for next use.

Example 3

On the basis of embodiment 2, as shown in fig. 15 to 16, the apparatus further comprises a filter residue collecting mechanism, the filter residue collecting mechanism comprises a first electric slide rail 1001, a first connecting frame 1002, a second square shell 1003, a third fixing block 1004, an H-shaped slide plate 1005, a tension spring 1006, a slide connecting bar 1007, a square slot plate 1008, a special-shaped plate 1009, a second connecting frame 1010, a scraping component, a second electric slide rail 1023 and a collecting shell 1024, the left and right sides of the inner upper portion of the second housing 2 are fixedly connected with the first electric slide rail 1001, an electric slide block is slidably arranged on the first electric slide rail 1001, the lower side of the electric slide block on the first electric slide rail 1001 is fixedly connected with the first connecting frame 1002, the lower ends of the two first connecting frames 1002 are fixedly connected with the second square shell 1003, the front side of the second square shell 1003 is fixedly connected with the third fixing block 1004, the lower portion of the third fixing block 1004 is provided with a sliding slot, the H-shaped slide plate 1005 penetrates through the sliding slot of the third fixing block 1004, an H-shaped sliding plate 1005 is connected with a third fixed block 1004 in a sliding way, the left and right sides of the third fixed block 1004 are provided with tension springs 1006, two ends of each tension spring 1006 are respectively fixedly connected with the third fixed block 1004 and the H-shaped sliding plate 1005, the left and right parts of the H-shaped sliding plate 1005 are connected with a sliding connecting strip 1007 in a sliding way, the lower side surface of the sliding connecting strip 1007 is fixedly connected with a square groove plate 1008, the middle part of the square groove plate 1008 is provided with a groove, the front and the back of the inner side surface of the square groove plate 1008 are fixedly connected with second connecting frames 1010, a special plate 1009 is fixedly connected between the lower parts of the two second connecting frames 1010, the special plate 1009 is positioned at the middle groove of the square groove plate 1008, the front end of the special plate 1009 is arranged in an inclined plane way, the square groove plate 1008 and the special plate 1009 cooperate to form a sliding groove, the special plate 1009a is connected with the H-shaped sliding plate 1005 in a sliding way, the scraping component is divided into two parts, the front and the front part of the sliding connecting strip 1007, the scraping component is used for scraping residual super heavy oil, the equal rigid coupling in two parts has the electronic slide rail 1023 of second about the medial surface of second outer casing 2, and the electronic slide rail 1023 of second goes up the slip and is equipped with electronic slider, and the rigid coupling has the collection shell 1024 that is used for collecting impurity between the electronic slider medial surface on the electronic slide rail 1023 of second.

As shown in fig. 17-18, the scraping component includes a fourth sliding block 1011, a third rack 1012, a second servo motor 1013, a second gear 1014, a rotating plate 1015, a fixing seat 1016, a sliding rod 1017, a fourth spring 1018, a rotating shaft 1019, a rotating block 1020, a torsion spring 1021 and a stopper 1022, wherein the two sets of sliding connecting bars 1007 and the back inner side of the square slot plate 1008 are both connected with the fourth sliding block 1011 in a sliding manner, the upper inner side of the fourth sliding block 1011 on the left side is fixedly connected with the third rack 1012, the lower inner side of the fourth sliding block 1011 on the right side is fixedly connected with the third rack 1012, the third rack 1012 on the left side is located above the third rack 1012 on the right side, the left and right sides of the second square shell are provided with T-shaped through holes for guiding the third racks 1012 on the left and right sides, both the third racks 1012 pass through the T-shaped through holes of the second square shell 1003, the second servo motor 1013 is fixedly connected to the back side of the second square shell 1003, an output shaft of the second servo motor 1013 penetrates through the second square shell 1003, a second gear 1014 is fixedly connected to the front end of the output shaft of the second servo motor 1013, two third racks 1012 are respectively located at the upper side and the lower side of the second gear 1014, the two third racks 1012 are both meshed with the second gear 1014, the front ends of the two sliding connecting strips 1007 are both hinged with a rotating plate 1015 for scraping residual super-heavy oil, the inner ends of the two rotating plates 1015 are hinged with each other, the front parts of the upper sides of the two second electric sliding rails 1023 are both fixedly connected with a fixing seat 1016, a sliding rod 1017 for limiting is slidably connected on the fixing seat 1016, the inner ends of the two sliding rods 1017 penetrate through a sliding groove 1009a, a fourth spring 1018 is sleeved outside the sliding rod 1017, two ends of the fourth spring 1018 are respectively fixedly connected to the sliding rod 1017 and the fixing seat 1016, a groove is formed at the front end of the special-shaped plate, a rotating shaft 1019 is fixedly connected to a rotating block 1020, the two parts cover is equipped with torsional spring 1021 about axis of rotation 1019, and the both ends of torsional spring 1021 rigid coupling respectively in dysmorphism board 1009 and turning block 1020, and the recess upper portion rigid coupling of dysmorphism board 1009 has the dog 1022 that is used for spacing, avoids super viscous crude to solidify and causes this device can not normal use.

When the operator takes out the sampling tube, the operator starts the second electric slide rail 1023, the electric slide block on the second electric slide rail 1023 drives the collection shell 1024 to slide forward, at this time, the collection shell 1024 is positioned below the fixed round tube 901, then the operator starts the first electric slide rail 1001, the electric slide block of the first electric slide rail 1001 drives the first connecting frame 1002 to slide forward, the first connecting frame 1002 drives the second square shell 1003 to move forward, the second square shell 1003 drives the third fixed block 1004 to slide forward, the third fixed block 1004 drives the H-shaped slide plate 1005 to move forward, the H-shaped slide plate 1005 drives the sliding connecting bar 1007, the square slotted plate 1008 and the special-shaped plate 1009 on both sides to move forward, when the square slotted plate 1008 and the special-shaped plate 1009 move forward, the sliding rod 1017 slides on the upper side of the sliding slot 1009a, at this time, the tension spring 1006 stretches, when the first connecting frame 1002 moves to the front end of the first electric slide rail 1001, the square groove plate 1008 and the special-shaped plate 1009 move to the foremost end, the sliding rod 1017 no longer slides on the upper side of the sliding groove 1009a, the sliding connection strip 1007, the square groove plate 1008 and the special-shaped plate 1009 reset under the action of the tension spring 1006, at the moment, the two rotating plates 1015 are in contact with the lower end of the fixed circular tube 901, an operator starts the first electric sliding rail 1001, the electric sliding block of the first electric sliding rail 1001 drives the components on the electric sliding rail to reset, at the moment, the rotating plate 1015 scrapes off the super-thick oil adhered to the lower side surface of the arc-shaped sliding strip 908, the residue of the super-thick oil is reduced, the phenomenon that the device cannot be normally used due to the solidification of the super-thick oil is avoided, when the first connecting frame 1002 drives the components on the electric sliding rail to move forwards, the sliding rod 1017 is located on the upper side of the rotating block 1020, due to the arrangement of the stop block 1022, the rotating block 1020 can only rotate anticlockwise, so that the sliding rod 1017 slides along the upper side surface of the special-shaped plate 1007, at the sliding connection strip 1007, at the moment, the sliding connection strip 1009a sliding rod 1007, Square frid 1008 and dysmorphism board 1009 slide down along fourth sliding block 1011, and extension spring 1006 is tensile this moment, so avoid rotor plate 1015 and the remaining super viscous oil contact of pipe 901 lower extreme, when dysmorphism board 1009 rear portion and slide bar 1017 contact, slide bar 1017 slides down along slide groove 1009a this moment, makes sliding connection strip 1007, square frid 1008 and dysmorphism board 1009 restore to the throne under the pulling force effect of extension spring 1006 this moment, and the last side of rotor plate 1015 and pipe 901 lower extreme are in same height this moment.

Then the operator starts the second electric push rod 905 to move downwards, at this time, the sliding bottom plate 907 drives the residual super heavy oil and large particle impurities to move downwards, then the operator starts the second servo motor 1013, the output shaft of the second servo motor 1013 drives the second gear 1014 to rotate anticlockwise, at this time, the second gear 1014 drives the two third racks 1012 to approach each other, the two third racks 1012 respectively drive the fourth sliding blocks 1011 thereon to approach each other, so that the sliding connecting strip 1007, the square slotted plate 1008 and the special-shaped plate 1009 on both sides approach each other, at this time, the square slotted plate 1008 and the special-shaped plate 1009 drive the two sliding rods 1017 to approach each other, at this time, the fourth spring 1018 compresses, at this time, the hinged position of the inner ends of the two rotating plates 1015 moves forwards, and then the above operation is repeated, so that the two rotating plates 1015 are located between the sliding bottom plate 907 and the filter tube 902, at this time, the two rotating plates 1015 are in contact with the lower end of the filter tube 902, at this time, the operator starts the second electric push rod 905 to move the sliding bottom plate 907 upwards, at this time, the upper side surface of the sliding bottom plate 907 contacts with the lower side surfaces of the two rotating plates 1015, then the operator starts the first electric slide rail 1001 to enable the two rotating plates 1015 to scrape off the ultra-thick oil and large particle impurities stuck at the lower end of the filter pipe 902 and the upper side surface of the sliding bottom plate 907, so that the stuck ultra-thick oil and large particle impurities fall into the collecting shell 1024, then the operator starts the second electric push rod 905 to reset the sliding bottom plate 907, then the second electric push rod 905 is closed, then the operator starts the second servo motor 1013 to reset the sliding connecting strips 1007 at both sides, the square groove plate 1008 and the special-shaped plate 1009, the sliding connecting strips 1007 at both sides drive the two rotating plates 1015 to reset, at this time, the sliding rod 1017 is reset under the elastic force of the fourth spring 1018, then the second servo motor 1013 is closed, convenient next use, regularly clear up rotor plate 1015 and collection shell 1024 through operating personnel, guarantee this device normal use.

The embodiments described above are provided to enable persons skilled in the art to make or use the invention and that modifications or variations can be made to the embodiments described above by persons skilled in the art without departing from the inventive concept of the present invention, so that the scope of protection of the present invention is not limited by the embodiments described above but should be accorded the widest scope consistent with the innovative features set forth in the claims.

Claims

1. The utility model provides a sampler that is used for oil field exploitation well head to have impurity separation function, including first shell body (1), second shell body (2), PMKD (3), guide rail (4) and sliding door (5), characterized by: the device comprises a material taking mechanism, a material discharging mechanism, an opening and closing mechanism and a filtering mechanism, wherein a second outer shell (2) is fixedly connected to the rear part of a first outer shell (1), the first outer shell (1) is communicated with the second shell, a fixed bottom plate (3) is fixedly connected to the lower ends of the first outer shell (1) and the second shell, a square through hole is formed in the lower part of the front side surface of the first outer shell (1), guide rails (4) are respectively and fixedly connected to the left part and the right part of the front side surface of the square through hole of the first outer shell (1), a sliding door (5) is slidably connected between the two guide rails (4), the sliding door (5) is matched with the square through hole of the first outer shell (1), the second outer shell (2), the fixed bottom plate (3) and the sliding door (5) are matched to form a closed protective shell, the material taking mechanism is embedded in the upper part of the front side surface of the first outer shell (1), the material discharging mechanism is arranged on the upper part of the first outer shell (1), the device comprises a discharge mechanism, an opening and closing mechanism, a filtering mechanism, a sampling mechanism and a filtering mechanism, wherein the discharge mechanism is communicated with the material taking mechanism, the opening and closing mechanism is arranged at the lower part of the material taking mechanism, the opening and closing mechanism is matched with the material taking mechanism, the filtering mechanism is arranged at the lower side of the opening and closing mechanism, the filtering mechanism is matched with the opening and closing mechanism and used for sampling the ultra-thick oil, and the filtering mechanism is used for filtering large granular impurities in the ultra-thick oil; the material taking mechanism comprises a fixed shell (601), flange bent pipes (603), a support (604), a sealing element (605), a connecting rod (606), a rotating wheel (607), a first sliding block (608) and a sealing ring (609), wherein the fixed shell (601) is embedded in the front side surface of a first shell (1), the front side surface and the rear side surface of the inner side of the fixed shell (601) are arranged in a circular arc manner, four first circular through holes (602) are formed in the rear part of the fixed shell (601), the four first circular through holes (602) are symmetrically arranged in the front and rear direction, the two first circular through holes (602) in the front side are respectively communicated with the flange bent pipes (603), the two flange bent pipes (603) penetrate through the right part of the first shell (1), the front side surface of the fixed shell (601) is fixedly connected with the support (604), the middle part of the front side surface of the fixed shell (601) is fixedly connected with the sealing element (605) for sealing, and the connecting rod (606) penetrates through the fixed shell (601) and the sealing element (605), sealing member (605) and connecting rod (606) sliding connection, the front end of connecting rod (606) is the screw thread setting, support (604) middle part is rotated and is connected with and rotates wheel (607), it is connected with the anterior threaded connection of connecting rod (606) to rotate wheel (607), a first sliding block (608) sliding connection for ration sample is in the inside of set casing (601), the rear end rigid coupling of first sliding block (608) and connecting rod (606), sealing ring (609) are all installed to the upper and lower both sides face of first sliding block (608), sealing ring (609) are used for first sliding block (608) to slide in set casing (601) medial surface is sealed.

2. The sampler with the function of separating impurities for the oil field exploitation wellhead according to the claim 1 is characterized in that: the front part and the rear part of the first sliding block (608) are respectively provided with a second circular through hole (610), the size of the second circular through hole (610) is the same as that of the first circular through hole (602), the front side surface and the rear side surface of the first sliding block (608) are arranged in an arc shape, and the front side surface and the rear side surface of the first sliding block (608) are matched with the inner side surface of the fixed shell (601) and used for sealing the front side surface of the fixed shell (601).

3. The sampler with the function of separating impurities for the oil field exploitation wellhead according to the claim 1 is characterized in that: the discharging mechanism comprises a fixed round shell (701), a first sliding plate (702), a first fixed plate (703), a first servo motor (704), a threaded rod (705), a first electric push rod (706), a round shell (707), a second fixed plate (708), a first fixed block (709) and a telescopic component, wherein the fixed round shell (701) is fixedly connected to the rear part of the upper side face of the fixed shell (601), the fixed round shell (701) is communicated with a first round through hole (602) at the rear part, a sliding groove is formed in the rear part of the fixed round shell (701), the inner side face of the fixed round shell (701) is slidably connected with the first sliding plate (702), a threaded through hole is formed in the front part of the first sliding plate (702), the rear part of the outer side face of the first sliding plate (702) is fixedly connected with the first fixed plate (703), the first fixed plate (703) is slidably connected in the sliding groove of the fixed round shell (701), the upper part of the inner side face of the fixed round shell (701) is fixedly connected with the first servo motor (704), output shaft lower extreme rigid coupling threaded rod (705) of first servo motor (704), the threaded through-hole of first sliding plate (702) is passed in threaded rod (705), and threaded rod (705) and first sliding plate (702) threaded connection, first electric putter (706) have been inlayed at the middle part of first sliding plate (702), the telescopic link lower extreme rigid coupling of first electric putter (706) has circular shell (707), a plurality of square through-hole has been seted up to circular shell (707) lateral surface circumference, the lower extreme rigid coupling of circular shell (707) has second fixed plate (708), second fixed plate (708) upper surface middle part rigid coupling has first fixed block (709), flexible subassembly is located in the cavity that circular shell (707) and second fixed plate (708) cooperation formed.

4. The sampler with the function of separating impurities for the oil field exploitation wellhead according to the claim 3 is characterized in that: the telescopic component comprises a first fixed rod (710), a second sliding block (711), a first spring (712), a first limit block (713), a second fixed rod (714), a third sliding block (715), a second spring (716), a second limit block (717), a diamond block (718), a third fixed plate (719), a fixed sleeve (720), a sliding sleeve (721) and a third spring (722), wherein a plurality of first fixed rods (710) are fixedly connected with the outer side surface of the first fixed block (709) at equal intervals in the circumferential direction, the outer ends of a plurality of first fixed rods (710) are respectively and slidably connected with the second sliding block (711), the outer end of the second sliding block (711) is provided with an inclined chamfer and is used for resetting the third sliding block (715), the outer end of the second sliding block (711) penetrates through a square through hole of a circular shell (707), the first spring (712) is sleeved on the outer side surface of the first fixed rod (710), the two ends of the first spring (712) are respectively and fixedly connected with the first sliding block (709) and the second fixed block (711), the left part and the right part of the outer side surface of the second sliding block (711) are fixedly connected with a first limiting block (713), the outer side surface of the first fixed block (709) is oppositely and fixedly connected with a second fixed rod (714), the second fixed rod (714) is positioned under the first fixed rod (710), the outer ends of the two second fixed rods (714) are connected with a third sliding block (715) in a sliding way, the outer end of the third sliding block (715) is arranged in an inclined chamfer way, the third sliding block (715) penetrates through a square through hole of the circular shell (707), the second spring (716) is sleeved on the outer side surface of the second fixed rod (714), two ends of a ring of the second spring (716) are respectively and fixedly connected with the first fixed block (709) and the third sliding block (715), the left part and the right part of the outer side surface of the third sliding block (715) are fixedly connected with a second limiting block (717), the second limiting block (717) is positioned closer to the inner side than the first limiting block (713), and the diamond block (718) is fixedly connected with the lower side surface of the second sliding block (711), two portions are the plane setting about diamond-shaped block (718), the circular recess has all been seted up in two portions about diamond-shaped block (718), the equal rigid coupling in two portions has third fixed plate (719) about the last side of third sliding block (715), the equal rigid coupling of medial surface of two third fixed plates (719) has fixed cover (720), fixed cover (720) lateral surface sliding connection has sliding sleeve (721), the inner of two sliding sleeve (721) is the button head setting, the inner of two sliding sleeve (721) cooperates with the circular recess of diamond-shaped block (718), the both ends difference rigid coupling of third spring (722) in fixed cover (720) and sliding sleeve (721), sliding sleeve (721) and diamond-shaped block (718) cooperation are used for driving third sliding block (715) to reset.

5. The sampler with the function of separating impurities for the oil field exploitation wellhead according to the claim 1 is characterized in that: the opening and closing mechanism comprises a first square shell (801), a second sliding plate (802), an arc-shaped ring (803), a sliding shell (804), a second fixed block (805), a rotating ring (806), a first gear (807), a rotating rod (808), a first connecting block (809), a first rack (810), a second connecting block (811) and a second rack (812), wherein the first square shell (801) is fixedly connected to the rear part of the lower side surface of the fixed shell (601), a circular through hole is formed in the middle of the first square shell (801), the square through hole of the first square shell (801) is communicated with a first circular through hole (602) in the rear part of the fixed shell (601), the left part of the inner side surface of the first square shell (801) is slidably connected with the second sliding plate (802), the right side of the second sliding plate (802) is arranged in an arc shape, the arc-shaped ring (803) is fixedly connected to the right end of the second sliding plate (802), and the arc-shaped ring (803) and the right side of the second sliding plate (802) enclose a circular through hole of the first square shell (801) in the same size as the circular through hole of the first square shell (801) The right part of the inner side surface of a first square shell (801) is connected with a sliding shell (804) in a sliding mode, the left side of the sliding shell (804) is arranged in a circular arc mode, an arc-shaped ring (803) and a second sliding plate (802) are connected to the inner side surface of the sliding shell (804) in a sliding mode, the sliding shell (804) is matched with the second sliding plate (802), a first circular through hole (602) in the rear portion of the lower side surface of a fixed shell (601) is sealed, the arc-shaped ring (803) is used for sealing the left side of the sliding shell (804), a second fixed block (805) is fixedly connected to the lower portion of the rear side surface of the fixed shell (601), the lower side surface of a second fixed block (805) is rotatably connected with a rotating ring (806), a first gear (807) is fixedly connected to the lower end of the rotating ring (806), a circular guide hole is formed in the middle of the first gear (807), the rotating rod (808) penetrates through the second fixed block (805), the rotating ring (806) and the first gear (807), the upper end and the first fixed plate (703) rigid coupling of dwang (808), the lower part lateral surface of dwang (808) is equipped with two spiral guide rails, two spiral guide rails of dwang (808) and the circular guiding hole cooperation of first gear (807), the trailing flank right part rigid coupling of slip shell (804) has first connecting block (809), the left surface rigid coupling of first connecting block (809) has first rack (810), first rack (810) are located the front side and the intermeshing of first gear (807), the trailing flank left part rigid coupling of second sliding plate (802) has second connecting block (811), the trailing end right flank rigid coupling of second connecting block (811) has second rack (812), second rack (812) are located the rear side and the intermeshing of first gear (807).

6. The sampler with the function of separating impurities for the oil field exploitation wellhead according to the claim 5 is characterized in that: the arc-shaped ring (803) is made of hard alloy materials, and sealing strips are arranged on the upper side surface and the lower side surface of the arc-shaped ring (803).

7. The sampler with the function of separating impurities for the oil field exploitation wellhead according to the claim 1 is characterized in that: the filtering mechanism comprises a fixed circular tube (901), a filtering tube (902), fixing strips (904), a second electric push rod (905), a connecting plate (906), a sliding bottom plate (907) and arc-shaped sliding strips (908), wherein the fixed circular tube (901) is fixedly connected with the lower side surface of a first square shell (801), the filtering tube (902) is arranged inside the fixed circular tube (901), the filtering tube (902) is fixedly connected with the lower side surface of the first square shell (801), the filtering tube (902) is communicated with a circular through hole of the first square shell (801), the inner diameter of the filtering tube (902) is the same as the size of the circular through hole of the first square shell (801), long filtering holes (903) for filtering are formed in the filtering tube (902) at equal intervals in the circumferential direction, the second sliding block (711) and a third sliding block (715) are the same as the widths of the filtering holes (903), the fixing strips (904) are fixedly connected between the left part and the right part of the fixed circular tube (901) and the filtering tube (902), second electric putter (905) have all been inlayed to the lower part of two fixed strips (904), the lower extreme rigid coupling of second electric putter (905) has connecting plate (906), the side rigid coupling that goes up of two connecting plates (906) has sliding bottom plate (907), sliding bottom plate (907) and filter tube (902) lower extreme cooperation, the equal sliding connection in front and back two has arc slide bar (908) between fixed pipe (901) and filter tube (902), arc slide bar (908) are soft rubber material, arc slide bar (908) receive the extrusion force of fixed pipe (901) and filter tube (902), square blind hole (909) have been seted up to the medial surface of arc slide bar (908), third sliding block (715) are the same with square blind hole (909) size.

8. The sampler with the function of separating impurities for the oil field exploitation wellhead according to the claim 1 is characterized in that: the filter residue collecting device comprises a first electric slide rail (1001), a first connecting frame (1002), a second square shell (1003), a third fixing block (1004), an H-shaped sliding plate (1005), a tension spring (1006), a sliding connecting strip (1007), a square groove plate (1008), a special-shaped plate (1009), a second connecting frame (1010), a scraping component, a second electric slide rail (1023) and a collecting shell (1024), wherein the left side and the right side of the inner upper part of the second outer shell (2) are fixedly connected with the first electric slide rail (1001), an electric slide block is arranged on the first electric slide rail (1001) in a sliding way, the first connecting frame (1002) is fixedly connected to the lower side of the electric slide block on the first electric slide rail (1001), the second square shell (1003) is fixedly connected to the lower ends of the two first connecting frames (1002), the third fixing block (1004) is fixedly connected to the front side surface of the second square shell (1003), and a sliding groove is formed in the lower part of the third fixing block (1004), the H-shaped sliding plate (1005) penetrates through a sliding groove of the third fixed block (1004), the H-shaped sliding plate (1005) is connected with the third fixed block (1004) in a sliding manner, tension springs (1006) are arranged on the left side and the right side of the third fixed block (1004), two ends of each tension spring (1006) are respectively fixedly connected with the third fixed block (1004) and the H-shaped sliding plate (1005), sliding connecting strips (1007) are respectively and slidably connected with the left side and the right side of the H-shaped sliding plate (1005), a square groove plate (1008) is fixedly connected with the lower side of each sliding connecting strip (1007), a groove is formed in the middle of each square groove plate (1008), second connecting frames (1010) are fixedly connected with the front and the back of the inner side of each square groove plate (1008), a special-shaped plate (1009) is fixedly connected between the lower parts of the two second connecting frames (1010), the special-shaped plate (1009) is located at the groove in the middle of each square groove plate (1008), the front end of each special-shaped plate (1009) is arranged as an inclined surface, and the square groove plate (1008) is matched with the special-shaped plate (1009) to form a sliding groove (1009 a), dysmorphism board (1009) and H shape sliding plate (1005) sliding connection, it divide into two parts to strike off the subassembly, strike off the subassembly and locate two parts around sliding connection strip (1007), strike off the subassembly and be used for striking off remaining super viscous crude, the equal rigid coupling in two parts has electronic slide rail (1023) of second about the medial surface of second shell (2), the electronic slide rail of second (1023) is gone up the slip and is equipped with electronic slider, the rigid coupling has collection shell (1024) that are used for collecting impurity between the electronic slider medial surface on the electronic slide rail (1023) of second.

9. The sampler with the function of separating impurities for the oil field exploitation wellhead according to claim 8, is characterized in that: the scraping component comprises a fourth sliding block (1011), a third rack (1012), a second servo motor (1013), a second gear (1014), a rotating plate (1015), a fixed seat (1016), a sliding rod (1017), a fourth spring (1018), a rotating shaft (1019), a rotating block (1020), a torsion spring (1021) and a stop block (1022), wherein the rear inner sides of the two groups of sliding connecting strips (1007) and the square groove plate (1008) are both connected with the fourth sliding block (1011) in a sliding way, the upper inner side of the left fourth sliding block (1011) is fixedly connected with the third rack (1012), the lower inner side of the right fourth sliding block (1011) is fixedly connected with the third rack (1012), the left third rack (1012) is positioned above the right third rack (1012), the left and right sides of the second square shell are provided with T-shaped through holes for guiding the left and right third racks (1012), and the two third racks (1012) pass through the T-shaped through holes of the second square shell (1003), a second servo motor (1013) is fixedly connected to the rear side surface of the second square shell (1003), an output shaft of the second servo motor (1013) passes through the second square shell (1003), a second gear (1014) is fixedly connected to the front end of an output shaft of the second servo motor (1013), two third racks (1012) are respectively positioned at the upper side and the lower side of the second gear (1014), the two third racks (1012) are respectively meshed with the second gear (1014), the front ends of the two sliding connecting strips (1007) are respectively hinged with a rotating plate (1015) for scraping off residual super-thick oil, the inner ends of the two rotating plates (1015) are mutually hinged, the front parts of the upper side surfaces of the two second electric sliding rails (1023) are respectively fixedly connected with a fixed seat (1016), a sliding rod (1017) for limiting is slidably connected to the fixed seat (1016), the inner ends of the two sliding rods (1017) pass through a sliding groove (1009 a), and a fourth spring (1018) is sleeved outside the sliding rod (1017), the both ends of fourth spring (1018) are rigid coupling respectively in slide bar (1017) and fixing base (1016), the front end of dysmorphism board (1009) is seted up flutedly, the front end rigid coupling of dysmorphism board (1009) has axis of rotation (1019), axis of rotation (1019) rotate and are connected with turning block (1020), two portion covers are equipped with torsional spring (1021) about axis of rotation (1019), the both ends of torsional spring (1021) rigid coupling respectively in dysmorphism board (1009) and turning block (1020), the recess upper portion rigid coupling of dysmorphism board (1009) is used for spacing dog (1022).