CN214836944U - Liquid supplementing device of small-displacement oil-gas mixed transportation pump - Google Patents

Abstract

The utility model belongs to the field of oil and gas transportation, in particular to a liquid supplementing device of a small-displacement oil and gas mixed transportation pump, which comprises a mixed transportation pump, an installation base, a liquid supplementing assembly and a mixed transportation pipeline; a mixing delivery pump is installed on one side of the top surface of the installation base through a bolt, a liquid supplementing assembly is installed on the other side of the top surface of the installation base, a mixing delivery pipeline is fixedly connected to the middle of the top surface of the installation base, the output end of the mixing delivery pump is connected with the mixing delivery pipeline, the liquid supplementing assembly is communicated with the mixing delivery pipeline through a pipeline, and the liquid supplementing assembly comprises a dust-proof box, a liquid storage box and a pressurizing structure; a dust prevention box is arranged on the top surface of the mounting base, a liquid storage box is fixedly connected inside the dust prevention box, a pressurizing structure is arranged on one surface of the liquid storage box, and a pipeline on the other surface of the liquid storage box is communicated with a mixed transportation pipeline; through the fluid infusion subassembly of dust-proof case parcel, avoided outside dust to fall to the structural pressurization difficulty that causes of pressurizeing, reduced the probability that the fluid infusion subassembly broke down.

Description

Liquid supplementing device of small-displacement oil-gas mixed transportation pump

Technical Field

The utility model relates to an oil gas transportation field specifically is a little discharge capacity oil gas multiphase pump fluid infusion device.

Background

The oil-gas mixed transportation pump is used in the gathering and transportation process, mainly transports crude oil containing gas, water, sand and the like, realizes the centralized purification, separation and storage of the crude oil, and can reduce the pressure of a well mouth and improve the yield of a single well or a region. The oil-gas mixed transportation pump produced in China mainly comprises a single screw, a double screw, a three-screw pump, a plunger pump and the like according to the structural form, wherein the screw pump is most widely applied.

In the using process of the oil-gas mixed transportation pump, liquid needs to be replenished in a transportation pipeline, the oil-gas mixed transportation pump is mostly used outdoors, the using environment is severe, a large amount of dust exists, and falls on the surface of a liquid replenishing device, so that the dust is clamped into a pressurizing structure of the liquid replenishing device frequently, the pressurizing is difficult, and the liquid replenishing efficiency is influenced; therefore, the small-displacement oil-gas mixed transfer pump fluid infusion device is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

In order to compensate prior art's not enough, the use of oil gas defeated pump is mostly outdoor, and service environment is comparatively abominable, has a large amount of dusts, and a large amount of dusts fall on the fluid infusion device surface for go into the dust often in the pressurization structure of fluid infusion device, cause the pressurization difficulty, influence the problem of fluid infusion efficiency, the utility model provides a little discharge capacity oil gas defeated pump fluid infusion device.

The utility model provides a technical scheme that its technical problem adopted is: the utility model relates to a small-displacement oil-gas mixed transportation pump fluid infusion device, which comprises a mixed transportation pump, an installation base, a fluid infusion assembly and a mixed transportation pipeline; the mixed transportation pump is installed on one side of the top surface of the installation base through bolts, the liquid supplementing assembly is installed on the other side of the top surface of the installation base, the mixed transportation pipeline is fixedly connected to the middle of the top surface of the installation base, the output end of the mixed transportation pump is connected with the mixed transportation pipeline, and the liquid supplementing assembly pipeline is communicated with the mixed transportation pipeline.

Preferably, the liquid supplementing assembly comprises a dust prevention box, a liquid storage box and a pressurizing structure; the top surface of the installation base is provided with a dustproof box, the interior of the dustproof box is fixedly connected with a liquid storage box, one surface of the liquid storage box is provided with a pressurizing structure, and the other surface of the liquid storage box is communicated with a mixed transportation pipeline.

Preferably, the pressurization structure includes a piston cylinder, a servo electric cylinder and a piston, one side rigid coupling piston cylinder of liquid reserve tank, the servo electric cylinder of top surface rigid coupling of piston cylinder, the piston rod of servo electric cylinder slides and runs through the roof of piston cylinder, the bottom outer lane screw thread installation piston of the piston rod of servo electric cylinder, the outer lane of piston and the inner wall sliding fit of piston cylinder, the screw hole is all seted up with the bottom side of liquid reserve tank to the bottom side of piston cylinder, the internal thread installation of screw hole ends anti-structure.

Preferably, the anti-reverse structure comprises a valve body, a circular groove, a limiting hole, a water through hole, a sealing head and a spring; the novel piston cylinder is characterized in that a valve body is installed in the threaded hole in a threaded manner, a circular groove is formed in one surface, close to the piston cylinder, of the valve body, a limiting hole is formed in the middle of the inner portion of the circular groove, a water through hole is formed in the outer ring of the inner wall of the circular groove, the water through hole is communicated with a liquid storage tank, a sealing head is installed in the circular groove in a sliding manner, a convex rod of the sealing head is in sliding fit with the limiting hole, the back of the sealing head is fixedly connected with one end of a spring, the other end of the spring is fixedly connected with the inner wall of the circular groove, and the inner ring of the spring is sleeved on the outer ring of the convex rod of the sealing head.

Preferably, notches are formed in the other two sides of one end, close to the liquid supplementing assembly, of the mounting base, rolling wheels are fixedly connected to two sides of the bottom surface of the dust-proof box, and the rolling wheels are in sliding fit with the notches.

Preferably, straight grooves are formed in the other two sides of one end, close to the liquid supplementing assembly, of the mounting base, the straight grooves are located between the notches of the two sides, fixing holes are formed in the two sides of the bottom surface of the dust-proof box, nuts are embedded in the tops of the fixing holes, the fixing holes in the two sides correspond to the straight grooves in the two sides respectively, bolts are slidably mounted in the straight grooves in the two sides, the bolts penetrate through the fixing holes, and screw rods of the bolts are in threaded fit with the nuts.

Preferably, the top surface of the liquid storage box is communicated with the adding pipe, the adding pipe penetrates through the top wall of the dust-proof box, the outer wall of the adding pipe is fixedly connected with the top wall of the dust-proof box, and the top of the adding pipe is provided with a sealing cover in a threaded manner.

Preferably, an access hole is formed in one surface, close to the pressurizing structure, of the dust-proof box, and a dust-proof door is mounted on an outer ring screw of the access hole.

The utility model discloses an useful part lies in:

1. through the dustproof door parcel fluid infusion subassembly of dust-proof box and bolt installation, the access hole of seting up is convenient for the staff to overhaul the fluid infusion subassembly, has avoided outside dust to fall to the structural pressurization difficulty that causes of pressurizeing, influences fluid infusion efficiency, has reduced the probability that the fluid infusion subassembly broke down.

2. Through the inside slip of sealed head atress to the circular slot, spill the limbers, the spring compression holds power, and after the pressurization, after the pressure that sealed head received reduced, the spring resets, promotes sealed head and slides to the outside of circular slot, seals the limbers, has avoided the liquid in the liquid reserve tank to pour into a piston section of thick bamboo in, causes the damage of pressurization structure, has improved the security of pressurization structure then.

3. Through the gyro wheel cooperation notch that sets up, the bolt runs through straight flute and fixed orifices cooperation nut, and the staff of being convenient for removes the fluid infusion subassembly, is convenient for simultaneously install the quick accuracy of fluid infusion subassembly on the installation base.

Drawings

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

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

fig. 2 is a cross-sectional view of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

fig. 4 is a cross-sectional view of an embodiment of the present invention;

fig. 5 is a partial enlarged view of fig. 4 at B.

In the figure: 1. a mixing and conveying pump; 2. installing a base; 3. a fluid infusion assembly; 4. a mixing and transporting pipeline; 201. a notch; 202. a straight groove; 301. a dust-proof box; 302. a liquid storage tank; 303. a piston cylinder; 304. a servo electric cylinder; 305. a piston; 306. a valve body; 307. a circular groove; 308. a limiting hole; 309. a water through hole; 310. a sealing head; 311. a spring; 312. a roller; 313. a fixing hole; 314. an addition pipe; 315 a pressurized cartridge; 316. a support plate; 317. a motor; 318. a screw rod; 319. an internal thread push piece; 320. a limiting strip; 321. rotating the sleeve; 322. a loop bar; 323. rotating the ring; 324. rotating the beads; 325. and a bearing.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, a small displacement oil-gas mixed transportation pump fluid infusion device includes a mixed transportation pump 1, a mounting base 2, a fluid infusion assembly 3 and a mixed transportation pipeline 4; the mixed transportation pump is characterized in that a mixed transportation pump 1 is installed on one side of the top surface of the installation base 2 through a bolt, a liquid supplementing assembly 3 is installed on the other side of the top surface of the installation base 2, a mixed transportation pipeline 4 is fixedly connected to the middle of the top surface of the installation base 2, the output end of the mixed transportation pump 1 is connected with the mixed transportation pipeline 4, and the liquid supplementing assembly 3 is communicated with the mixed transportation pipeline 4 through a pipeline.

Referring to fig. 1-3, as an embodiment of the present invention, the fluid infusion assembly 3 includes a dust-proof box 301, a fluid storage box 302 and a pressurizing structure; a dust prevention box 301 is arranged on the top surface of the installation base 2, a liquid storage box 302 is fixedly connected inside the dust prevention box 301, a pressurizing structure is arranged on one surface of the liquid storage box 302, and a pipeline on the other surface of the liquid storage box 302 is communicated with a mixed transportation pipeline 4; through dustproof case 301 parcel fluid infusion subassembly 3, avoided outside dust to fall on the pressurization structure, cause the pressurization difficulty, influence fluid infusion efficiency.

Referring to fig. 1-3, as an embodiment of the present invention, the pressurizing structure includes a piston cylinder 303, a servo electric cylinder 304 and a piston 305, one side of the liquid storage tank 302 is fixedly connected to the piston cylinder 303, the top surface of the piston cylinder 303 is fixedly connected to the servo electric cylinder 304, a piston rod of the servo electric cylinder 304 slidably penetrates through a top wall of the piston cylinder 303, the piston 305 is installed on an outer ring of the bottom of the piston rod of the servo electric cylinder 304 in a threaded manner, an outer ring of the piston 305 is slidably fitted to an inner wall of the piston cylinder 303, both a bottom side of the piston cylinder 303 and a bottom side of the liquid storage tank 302 are provided with threaded holes, and an anti-reverse structure is installed on internal threads of the threaded holes; the piston 305 is pushed by the piston rod of the servo electric cylinder 304 to slide in the piston cylinder 303, so that the liquid in the liquid storage tank 302 is pressurized in the mixing and conveying pipeline 4, and the automatic liquid supplementing of the mixing and conveying pump 1 is realized.

Referring to fig. 1-3, as an embodiment of the present invention, the anti-reverse structure includes a valve body 306, a circular groove 307, a limiting hole 308, a water hole 309, a sealing head 310, and a spring 311; a valve body 306 is installed on the inner thread of the threaded hole, a round groove 307 is formed in one surface, close to the piston cylinder 303, of the valve body 306, a limiting hole 308 is formed in the middle of the inner portion of the round groove 307, a water through hole 309 is formed in the outer ring of the inner wall of the round groove 307, the water through hole 309 is communicated with the liquid storage tank 302, a sealing head 310 is installed inside the round groove 307 in a sliding mode, a convex rod of the sealing head 310 is matched with the limiting hole 308 in a sliding mode, the back of the sealing head 310 is fixedly connected with one end of a spring 311, the other end of the spring 311 is fixedly connected with the inner wall of the round groove 307, and the inner ring of the spring 311 is sleeved on the outer ring of the convex rod of the sealing head 310; through the pressurization of pressurization structure for sealed head 310 atress slides to the inside of circular slot 307, spills limbers 309, and spring 311 compression holds up power, and after the pressurization is accomplished, the pressure that sealed head 310 received reduces the back, and spring 311 resets, promotes sealed head 310 and slides to the outside of circular slot 307, seals limbers 309, has avoided the liquid in the liquid reserve tank 302 to pour into in the piston tube 303, causes the damage of pressurization structure, has then improved the security of pressurization structure.

Referring to fig. 1-3, as an embodiment of the present invention, notches 201 are formed in the other two sides of one end of the mounting base 2 close to the fluid infusion assembly 3, rollers 312 are fixedly connected to two sides of the bottom surface of the dust-proof box 301, and the rollers 312 are in sliding fit with the notches 201; through the gyro wheel 312 cooperation notch 201 that sets up, be convenient for remove fluid infusion subassembly 3, the staff of being convenient for simultaneously is installed fluid infusion subassembly 3 on the installation base 2 with the accuracy fast.

Referring to fig. 1-3, as an embodiment of the present invention, straight grooves 202 are formed in two sides of one end of the mounting base 2 close to the fluid infusion assembly 3, the straight grooves 202 are located between the notches 201 on two sides, fixing holes 313 are formed in two sides of the bottom surface of the dust-proof box 301, nuts are embedded in the tops of the fixing holes 313, the fixing holes 313 on two sides correspond to the straight grooves 202 on two sides, bolts are slidably mounted in the straight grooves 202 on two sides, the bolts pass through the fixing holes 313, and screws of the bolts are in threaded fit with the nuts; the fluid infusion member 3 is mounted and fixed to the mounting base 2 by bolts passing through the straight grooves 202 and nuts fitting into the fixing holes 313.

Referring to fig. 1-3, as an embodiment of the present invention, the top surface of the liquid storage tank 302 is communicated with an adding pipe 314, the adding pipe 314 penetrates through the top wall of the dust-proof box 301, the outer wall of the adding pipe 314 is fixedly connected to the top wall of the dust-proof box 301, and a sealing cover is installed on the top of the adding pipe 314 by a thread.

Referring to fig. 1-3, as an embodiment of the present invention, an access hole is formed on a side of the dust-proof box 301 close to the pressurizing structure, and a dust-proof door is installed on an outer ring screw of the access hole; through the arranged access hole, the liquid supplementing assembly 3 is convenient for workers to overhaul; through the dustproof door that sets up, avoid outside dust to get into in the dustproof case 301, reduced the probability that fluid infusion subassembly 3 broke down.

Referring to fig. 4-5, another embodiment of the above-mentioned pressing structure is: the pressurizing structure comprises a pressurizing cylinder 315, a support plate 316, a motor 317, a screw rod 318, an internal thread push sheet 319 and a limit strip 320; one side of the liquid storage box 302 is fixedly connected with a pressurizing cylinder 315, a supporting plate 316 is installed on an internal bolt of the dust-proof box 301, the supporting plate 316 is positioned at the top of the pressurizing cylinder 315, the middle part of the supporting plate 316 is fixedly connected with a motor 317, an output shaft of the motor 317 is fixedly connected with a screw rod 318, the screw rod 318 rotatably penetrates through the middle part of the supporting plate 316 and the top wall of the pressurizing cylinder 315, an internal thread push piece 319 is installed on an outer ring thread of the screw rod 318, an outer ring of the internal thread push piece 319 is in sliding fit with the inner wall of the pressurizing cylinder 315, a plurality of limiting strips 320 are fixedly connected with the inner wall of the pressurizing cylinder 315, a sliding opening is formed on the outer ring of the internal thread push piece 319, and the sliding opening is in sliding fit with the internal thread push piece 319; the screw rod 318 is driven to rotate by the motor 317, and the pushing internal thread push piece 319 slides to the bottom of the pressurizing cylinder 315 along the limiting strip 320, so that the liquid in the liquid storage box 302 is pressed into the mixing and conveying pipeline 4, and the automatic liquid supplement of the mixing and conveying pump 1 is realized.

Referring to fig. 4-5, another embodiment of the above-mentioned pressing structure is: the inner bottom surface of the pressurizing cylinder 315 is fixedly connected with a rotating sleeve 321, the bottom end of the screw rod 318 is rotatably penetrated through the top wall of the rotating sleeve 321, the outer ring at the bottom of the screw rod 318 is fixedly connected with a sleeve rod 322, the inner bottom surface of the pressurizing cylinder 315 is fixedly connected with a rotating ring 323, the outer ring of the rotating ring 323 is sleeved on the inner ring of the rotating sleeve 321, the top surface of the rotating ring 323 is provided with an annular groove, a plurality of rotating balls 324 are rotatably installed inside the annular groove, the top surfaces of the rotating balls 324 are rotatably matched with the bottom surface of the sleeve rod 322, the middle outer ring of the sleeve rod 322 is rotatably installed with a bearing 325, and the outer ring of the bearing 325 is rotatably matched with the inner ring of the rotating sleeve 321; the rotating balls 324 rotate in the annular grooves, so that the friction resistance of the screw rod 318 during rotation is reduced, and meanwhile, the bearing 325 arranged on the outer ring of the sleeve rod 322 further reduces the friction resistance of the screw rod 318 during rotation, so that the driving load of the motor 317 is reduced, and the service life of the motor 317 is prolonged.

The working principle is as follows: firstly, pushing the liquid supplementing assembly 3 to move, aligning the roller 312 with the notch 301, pushing the liquid supplementing assembly 3 to the top of the mounting base 2, penetrating the straight groove 202 and the fixing hole 313 through bolts, screwing the bolts with 2 nuts inside the fixing hole 313, adding liquid into the liquid storage tank 302 through the adding pipe 314, screwing the sealing cover to the top of the adding pipe 314, and finally connecting the output pipe of the liquid storage tank 302 to the mixing and conveying pipeline 4;

then, the servo electric cylinder 304 is started, the piston rod of the servo electric cylinder 304 pushes the piston 305 to slide in the piston cylinder 303, so that the sealing head 310 is forced to slide towards the inside of the circular groove 307, the water through hole 309 is leaked, the spring 311 compresses the stored force to pressurize the liquid storage tank 302, and the liquid in the liquid storage tank 302 is pressed into the mixing and conveying pipeline 4; after the pressurization is finished, the pressure on the sealing head 310 is reduced, the spring 311 resets, the sealing head 310 is pushed to slide towards the outer side of the circular groove 307, the water through hole 309 is sealed, and the liquid in the liquid storage tank 302 is prevented from being poured into the piston cylinder 303.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

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

Claims (8)

1. The utility model provides a small discharge capacity oil-gas multiphase pump fluid infusion device which characterized in that: comprises a mixing and conveying pump (1), a mounting base (2), a liquid supplementing assembly (3) and a mixing and conveying pipeline (4); the mixed transportation pump is characterized in that a mixed transportation pump (1) is installed on one side of the top surface of the installation base (2) through a bolt, a liquid supplementing assembly (3) is installed on the other side of the top surface of the installation base (2), a mixed transportation pipeline (4) is fixedly connected to the middle of the top surface of the installation base (2), the output end of the mixed transportation pump (1) is connected with the mixed transportation pipeline (4), and the liquid supplementing assembly (3) is communicated with the mixed transportation pipeline (4).

2. The small-displacement oil-gas multiphase pump fluid infusion device according to claim 1, characterized in that: the liquid supplementing assembly (3) comprises a dustproof box (301), a liquid storage box (302) and a pressurizing structure; the top surface installation dust proof box (301) of installation base (2), the inside rigid coupling liquid reserve tank (302) of dust proof box (301), the pressurization structure is installed to the one side of liquid reserve tank (302), the another side pipeline intercommunication of liquid reserve tank (302) mixes defeated pipeline (4).

3. The small-displacement oil-gas mixture transfer pump fluid infusion device of claim 2, wherein: pressurization structure includes piston cylinder (303), servo electric cylinder (304) and piston (305), one side rigid coupling piston cylinder (303) of liquid reserve tank (302), the servo electric cylinder (304) of top surface rigid coupling of piston cylinder (303), the piston rod of servo electric cylinder (304) slides and runs through the roof of piston cylinder (303), bottom outer lane screw thread installation piston (305) of the piston rod of servo electric cylinder (304), the inner wall sliding fit of the outer lane of piston (305) and piston cylinder (303), the screw hole is all seted up to the bottom side of piston cylinder (303) and the bottom side of liquid reserve tank (302), the anti-structure is only ended in the inside screw thread installation of screw hole.

4. The small-displacement oil-gas multiphase pump fluid infusion device according to claim 3, characterized in that: the anti-reverse structure comprises a valve body (306), a circular groove (307), a limiting hole (308), a water through hole (309), a sealing head (310) and a spring (311); the internal thread of the threaded hole is provided with a valve body (306), one surface, close to the piston cylinder (303), of the valve body (306) is provided with a round groove (307), the middle part of the inside of the round groove (307) is provided with a limiting hole (308), the outer ring of the inner wall of the round groove (307) is provided with a water through hole (309), the water through hole (309) is communicated with the liquid storage tank (302), the inside of the round groove (307) is slidably provided with a sealing head (310), a convex rod of the sealing head (310) is in sliding fit with the limiting hole (308), the back of the sealing head (310) is fixedly connected with one end of a spring (311), the other end of the spring (311) is fixedly connected with the inner wall of the round groove (307), and the outer ring of the convex rod of the sealing head (310) is sleeved with the inner ring of the spring (311).

5. The small-displacement oil-gas mixture transfer pump fluid infusion device of claim 2, wherein: notch (201) are all seted up to the one end other both sides that installation base (2) are close to fluid infusion subassembly (3), the equal rigid coupling in bottom surface both sides of dust proof box (301) gyro wheel (312), gyro wheel (312) and notch (201) sliding fit.

6. The small-displacement oil-gas mixture transfer pump fluid infusion device of claim 5, wherein: straight flute (202) are all seted up to one end other both sides that installation base (2) are close to fluid infusion subassembly (3), both sides straight flute (202) are located between notch (201) of both sides, fixed orifices (313) are all seted up to the bottom surface both sides of dust-proof box (301), the nut is inlayed at the top of fixed orifices (313), both sides fixed orifices (313) correspond the straight flute (202) of both sides respectively, both sides the inside slidable mounting bolt of straight flute (202), the bolt runs through fixed orifices (313), and the screw rod and the nut screw-thread fit of bolt.

7. The small-displacement oil-gas mixture transfer pump fluid infusion device of claim 2, wherein: the top surface of the liquid storage box (302) is communicated with an adding pipe (314), the adding pipe (314) penetrates through the top wall of the dust-proof box (301), the outer wall of the adding pipe (314) is fixedly connected with the top wall of the dust-proof box (301), and a sealing cover is installed at the top of the adding pipe (314) in a threaded mode.

8. The small-displacement oil-gas mixture transfer pump fluid infusion device of claim 2, wherein: an access hole is formed in one surface, close to the pressurizing structure, of the dust-proof box (301), and a dust-proof door is mounted on an outer ring screw of the access hole.

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