CN218030144U

CN218030144U - Oil field is with relief valve in pit

Info

Publication number: CN218030144U
Application number: CN202222059189.4U
Authority: CN
Inventors: 曹斌; 高庆忠; 周海东
Original assignee: Xi'an Zhengshi Intelligent Technology Co ltd
Current assignee: Xi'an Zhengshi Intelligent Technology Co ltd
Priority date: 2022-08-05
Filing date: 2022-08-05
Publication date: 2022-12-13
Anticipated expiration: 2032-08-05

Abstract

The utility model relates to a relief valve technical field specifically is an oil field is with relief valve in pit, including the relief valve body, the side surface of relief valve body communicates with each other and is connected with the output pipeline, the tip fixedly connected with ring flange A of output pipeline, the lower surface of relief valve body communicates with each other and is connected with the input pipeline, the lower extreme fixedly connected with ring flange B of input pipeline, ring flange B's surface can be dismantled through the bolt and be connected with the metal casing, the inside of metal casing is provided with the filter screen. The utility model discloses a starter motor makes the filter screen take place periodic vibrations, shakes the slabstone on filter screen surface and falls, and the period rotates to remove the slabstone to the inside of connecting pipe about the catch tray simultaneously, rotates the ball valve and makes the metal-back and communicate with each other with the external world and can discharge the slabstone, need not to pull down the metal-back and just can clear up the slabstone on filter screen surface to the time of shut down has been reduced, has reduced oil production's cost.

Description

Oil field is with relief valve in pit

Technical Field

The utility model relates to a relief valve technical field specifically is an oil field is with relief valve in pit.

Background

The underground safety valve is an underground tool which is arranged in an oil gas well and can be closed emergently to prevent well blowout, ensure measures of the oil gas well and ensure production safety under abnormal conditions or irresistible natural disasters.

Chinese patent (publication number: CN 211524769U) discloses an oil field downhole safety valve, which achieves the effect of filtering oil needing to pass through the downhole safety valve in advance through the matching effect of a filter screen, a connecting pipeline, a second flange plate and a metal shell, achieves the function of preventing the downhole safety valve from being blocked by stone slag in the oil to cause the downhole safety valve to be incapable of normally operating, is convenient to disassemble the metal shell and replace the damaged filter screen, but the filter screen of the safety valve is blocked after being used for a long time, and can be cleaned only by disassembling the metal shell, so that the downhole safety valve is stopped for a long time, and the cost of oil production is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oil field is with relief valve in pit to the relief valve in the contrast file that provides in the solution above-mentioned background art uses the problem that the back filter screen can block up for a long time.

In order to achieve the above object, the utility model provides a following technical scheme: an underground safety valve for an oil field comprises a safety valve body, wherein the side surface of the safety valve body is communicated and connected with an output pipeline, the end part of the output pipeline is fixedly connected with a flange A, the lower surface of the safety valve body is communicated and connected with an input pipeline, the lower end of the input pipeline is fixedly connected with a flange B, the surface of the flange B is detachably connected with a metal shell through bolts, a filter screen is arranged inside the metal shell, a vibration assembly is arranged inside the metal shell, a linkage mechanism is arranged inside the metal shell, and a slag discharging mechanism is arranged on the outer surface of the metal shell;

the vibrations subassembly includes through fixing base fixed mounting in the motor of metal casing side surface, the output shaft fixedly connected with pivot A of motor, pivot A's tip fixedly connected with cam, and the surface of pivot A and cam all is coated with the insulating layer, the spout has been seted up to the inside wall of metal casing, and filter screen and spout sliding fit, the two sets of telescopic links of roof fixedly connected with of spout, and the last fixed surface of telescopic link and filter screen is connected, the surface of telescopic link all overlaps and is equipped with the spring.

It can be seen by above-mentioned scheme that coming the inside of coming the leading-in relief valve body of exploitation oil through the input pipeline, come the inside oil of relief valve body to derive to the external world through output pipeline, be connected output pipeline with the petroleum pipeline through ring flange A, through setting up the vibrations subassembly, make starter motor can drive pivot A and cam rotation, when the cam contacts the filter screen, the elasticity rebound that the spring was overcome to cam extrusion filter screen messenger, when the filter screen was kept away from to the cam, the elasticity of spring promotes the filter screen and resets, just can make the filter screen vibrations when the lower wall contact of filter screen and spout, thereby shake the stone sediment that falls filter screen surface.

In the embodiment, the linkage mechanism comprises a rotating rod rotatably arranged between the inner side walls of the metal shell, a collecting tray is sleeved on the outer surface of the rotating rod, an arc-shaped plate is fixedly connected to the side surface of the collecting tray, and a connecting rod is hinged to the upper surface of the collecting tray and is in hinged fit with the cam;

by above-mentioned scheme, through setting up link gear for the cam pivoted drives the connecting rod motion simultaneously, and then drives the collecting tray and from top to bottom the cycle rotate, thereby removes the stone ballast of collecting tray upper surface to the left side, and removes the inside to the connecting pipe through the arc.

In this embodiment, the slag discharging mechanism includes a connecting pipe which is communicated with the side surface of the metal shell, a ball valve is arranged on the inner wall of the connecting pipe, a rotating shaft B is fixedly connected to the outer surface of the ball valve, the end of the rotating shaft B penetrates through the outer surface of the connecting pipe, the end of the connecting pipe extends to the outside of the connecting pipe, and a handle is fixedly connected to the end of the rotating shaft B;

it can be seen by above-mentioned scheme that through setting up slag extractor for rotate the handle and can drive pivot B and ball valve and rotate, after the metal casing communicates with each other with the external world, the inside oil of metal casing and the inside stone sediment of connecting pipe can flow to the external world, thereby discharges the stone sediment to the external world.

In this embodiment, a protective cover is fixedly connected to a side surface of the metal shell, and the protective cover is sleeved on an outer surface of the motor;

it can be seen by above-mentioned scheme that shelters from the motor through the safety cover to protect it.

In the embodiment, the spring is made of high carbon steel, and the end part of the spring is respectively and fixedly connected with the upper surface of the filter screen and the top wall of the chute;

it can be seen by above-mentioned scheme that come to reset the filter screen through the spring for the filter screen can collide with the lower wall of spout.

In the embodiment, the outer surface of the handle is sleeved with the rubber sleeve, and the outer surface of the rubber sleeve is provided with the anti-skid grains;

by above scheme, can effectively increase the frictional force of operating personnel hand and handle through above setting to conveniently rotate the handle.

Compared with the prior art, the beneficial effects of the utility model are that: the motor is started to enable the filter screen to vibrate periodically, the stone slag on the surface of the filter screen is shaken off, meanwhile, the collection disc rotates up and down periodically to move the stone slag to the inside of the connecting pipe, the ball valve is rotated to enable the metal shell to be communicated with the outside, the stone slag can be discharged, and the stone slag on the surface of the filter screen can be cleaned without detaching the metal shell, so that the shutdown time is shortened, and the petroleum production cost is reduced;

1. the rotating shaft A and the cam can be driven to rotate by starting the motor, and the filter screen is vibrated periodically under the matching of the cam and the spring, so that the ballast on the surface of the filter screen is shaken off;

2. the cam rotates and drives the connecting rod to move simultaneously, so that the collecting disc is driven to rotate up and down periodically, the stone slag on the upper surface of the collecting disc moves to the inside of the connecting pipe through the arc-shaped plate, the ball valve can be driven to rotate by rotating the handle, and when the metal shell is communicated with the outside, a mixture of the stone slag and petroleum can be discharged.

Drawings

Fig. 1 is one of the three-dimensional structural diagrams of the present invention;

fig. 2 is one of the schematic three-dimensional structures of the present invention;

FIG. 3 is a schematic partial cross-sectional view of the present invention;

fig. 4 is an enlarged schematic view of a in fig. 3 according to the present invention.

In the figure: 100. a safety valve body; 101. an output pipe; 102. a flange A; 103. an input pipe; 104. a flange B; 105. a metal shell; 106. filtering with a screen; 200. a vibration assembly; 201. a motor; 202. a rotating shaft A; 203. a cam; 204. a chute; 205. a telescopic rod; 206. a spring; 300. a linkage mechanism; 301. rotating the rod; 302. a collection tray; 303. an arc-shaped plate; 304. a connecting rod; 400. a slag discharge mechanism; 401. a connecting pipe; 402. a ball valve; 403. a rotating shaft B; 404. a handle; 500. a protective cover.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: an underground safety valve for an oil field comprises a safety valve body 100, wherein the side surface of the safety valve body 100 is communicated with an output pipeline 101, the end part of the output pipeline 101 is fixedly connected with a flange A102, the lower surface of the safety valve body 100 is communicated with an input pipeline 103, the lower end of the input pipeline 103 is fixedly connected with a flange B104, the surface of the flange B104 is detachably connected with a metal shell 105 through bolts, a filter screen 106 is arranged in the metal shell 105, a vibration component 200 is arranged in the metal shell 105, a linkage mechanism 300 is arranged in the metal shell 105, and a slag discharging mechanism 400 is arranged on the outer surface of the metal shell 105;

the vibration assembly 200 comprises a motor 201 fixedly mounted on the side surface of the metal shell 105 through a fixing seat, an output shaft of the motor 201 is fixedly connected with a rotating shaft A202, the end part of the rotating shaft A202 is fixedly connected with a cam 203, the outer surfaces of the rotating shaft A202 and the cam 203 are coated with insulating layers, the inner side wall of the metal shell 105 is provided with a sliding groove 204, the filter screen 106 is in sliding fit with the sliding groove 204, the top wall of the sliding groove 204 is fixedly connected with two groups of telescopic rods 205, the telescopic rods 205 are fixedly connected with the upper surface of the filter screen 106, and the outer surfaces of the telescopic rods 205 are sleeved with springs 206;

specifically, the linkage mechanism 300 comprises a rotating rod 301 rotatably installed between the inner side walls of the metal shell 105, a collecting tray 302 is sleeved on the outer surface of the rotating rod 301, an arc-shaped plate 303 is fixedly connected to the side surface of the collecting tray 302, a connecting rod 304 is hinged to the upper surface of the collecting tray 302, the connecting rod 304 is hinged and matched with the cam 203, and by arranging the linkage mechanism 300, the cam 203 rotates and simultaneously drives the connecting rod 304 to move, so that the collecting tray 302 is driven to rotate up and down periodically, and therefore, the ballast on the upper surface of the collecting tray 302 is moved to the left side and moved to the inside of the connecting pipe 401 through the arc-shaped plate 303;

specifically, the slag discharging mechanism 400 comprises a connecting pipe 401 which is communicated and connected with the side surface of the metal shell 105, a ball valve 402 is arranged on the inner wall of the connecting pipe 401, a rotating shaft B403 is fixedly connected to the outer surface of the ball valve 402, the end part of the rotating shaft B403 penetrates through the outer surface of the connecting pipe 401, the end part of the connecting pipe 401 extends to the outside of the connecting pipe 401, a handle 404 is fixedly connected to the end part of the rotating shaft B403, the rotating handle 404 can drive the rotating shaft B403 and the ball valve 402 to rotate by arranging the slag discharging mechanism 400, after the metal shell 105 is communicated with the outside, oil in the metal shell 105 and stone slag in the connecting pipe 401 can flow to the outside, and therefore the stone slag is discharged to the outside;

specifically, the side surface of the metal shell 105 is fixedly connected with a protective cover 500, the protective cover 500 is sleeved on the outer surface of the motor 201, and the motor 201 is shielded by the protective cover 500, so that the motor is protected;

specifically, the spring 206 is made of high carbon steel, and the end of the spring 206 is respectively and fixedly connected with the upper surface of the screen 106 and the top wall of the chute 204, and the screen 106 is reset by the spring 206, so that the screen 106 collides with the lower wall of the chute 204;

specifically, the rubber sleeve has been cup jointed to the surface of handle 404, and the surface of rubber sleeve has seted up anti-skidding line, can effectively increase the frictional force of operating personnel hand and handle 404 through above setting to conveniently rotate handle 404.

The working principle is as follows: when the filter screen 106 is seriously blocked and needs to be cleaned, the safety valve body 100 is adjusted by a control system to close a valve in the safety valve body 100, at the moment, the motor 201 is started, the output shaft of the motor 201 drives the rotating shaft A202 to rotate, the rotating shaft A202 drives the cam 203 to rotate, after the cam 203 is contacted with the frame of the filter screen 106, the cam 203 extrudes the filter screen 106 to enable the filter screen 106 to slide upwards against the elastic force of the spring 206, when the cam 203 is far away from the filter screen 106, the elastic force of the spring 206 pushes the filter screen 106 to reset, when the filter screen 106 is contacted with the lower wall of the chute 204, vibration is generated, so that the stone slag on the surface of the filter screen 106 is shaken off, and falls onto the upper surface of the collecting tray 302 under the action of gravity;

cam 203 can drive the one end of connecting rod 304 and make circular motion when the pivoted, and then drive collecting tray 302 and make reciprocating motion from top to bottom, thereby make the ballast of collecting tray 302 upper surface move to the left side, and move to the inside of connecting pipe 401 through arc 303, after a certain amount of ballast had been deposited in the inside of connecting pipe 401, rotate handle 404, handle 404 drives pivot B403 and ball valve 402 and rotates, make metal casing 105 communicate with each other with the external world, at this moment the mixture of ballast and oil, will discharge to the external world through connecting pipe 401, after the ballast was discharged, rotate handle 404, handle 404 drives pivot B403 and ball valve 402 and rotates, make metal casing 105 not communicate with each other with the external world.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an oil field is with downhole safety valve, includes safety valve body (100), its characterized in that: the side surface of the safety valve body (100) is communicated and connected with an output pipeline (101), the end part of the output pipeline (101) is fixedly connected with a flange A (102), the lower surface of the safety valve body (100) is communicated and connected with an input pipeline (103), the lower end of the input pipeline (103) is fixedly connected with a flange B (104), the surface of the flange B (104) is detachably connected with a metal shell (105) through bolts, a filter screen (106) is arranged inside the metal shell (105), a vibration assembly (200) is arranged inside the metal shell (105), a linkage mechanism (300) is arranged inside the metal shell (105), and a slag discharge mechanism (400) is arranged on the outer surface of the metal shell (105);

vibrations subassembly (200) are including motor (201) through fixing base fixed mounting in metal casing (105) side surface, the output shaft fixedly connected with pivot A (202) of motor (201), tip fixedly connected with cam (203) of pivot A (202), and the surface of pivot A (202) and cam (203) all scribbles the insulating layer, spout (204) have been seted up to the inside wall of metal casing (105), and filter screen (106) and spout (204) sliding fit, two sets of telescopic link (205) of roof fixedly connected with of spout (204), and telescopic link (205) and the last fixed surface of filter screen (106) are connected, the surface of telescopic link (205) all overlaps and is equipped with spring (206).

2. The subsurface safety valve for oil field according to claim 1, wherein: link gear (300) are including rotating dwang (301) of installing between metal casing (105) inside wall, and the surface of dwang (301) of telling has cup jointed catch tray (302), the side surface fixedly connected with arc (303) of catch tray (302), the upper surface of catch tray (302) articulates there is connecting rod (304), and connecting rod (304) and cam (203) articulated cooperation.

3. The subsurface safety valve for oil field according to claim 1, wherein: slag discharging mechanism (400) is including connecting in connecting pipe (401) of metal casing (105) side surface mutually, the inner wall of connecting pipe (401) is provided with ball valve (402), the outer fixed surface of ball valve (402) is connected with pivot B (403), and the tip of pivot B (403) runs through the surface of connecting pipe (401), and the tip of connecting pipe (401) extends to the outside of connecting pipe (401), the tip fixedly connected with handle (404) of pivot B (403).

4. The subsurface safety valve for oil field according to claim 1, wherein: the side surface of metal-back (105) is fixedly connected with safety cover (500), and safety cover (500) cover is established at the surface of motor (201).

5. The subsurface safety valve for oil field according to claim 1, wherein: the material of spring (206) is high carbon steel, and the tip of spring (206) is respectively with the upper surface of filter screen (106) and the roof fixed connection of spout (204).

6. A subsurface safety valve for oil fields as claimed in claim 3, wherein: the outer surface of the handle (404) is sleeved with a rubber sleeve, and the outer surface of the rubber sleeve is provided with anti-skid grains.