CN217270055U

CN217270055U - Novel negative pressure sand washing joint

Info

Publication number: CN217270055U
Application number: CN202221324683.2U
Authority: CN
Inventors: 葛兵; 刘斌; 于龙; 廖维宇; 董志斌; 邱鹏
Original assignee: Karamay Haoyuan Tiancheng Energy Technology Co Ltd
Current assignee: Karamay Haoyuan Tiancheng Energy Technology Co Ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2022-08-23
Anticipated expiration: 2032-05-30

Abstract

The utility model discloses a novel negative pressure sand washing connects, the connecting seat comprises a connecting seat, install the center tube in the connecting seat, and connecting seat outer wall bottom welded fastening has the dirt board of scraping, the connecting seat top surface is inlayed and is fixed with a rubber circle, and the laminating of top rubber circle top and base plate bottom surface, run through the screw thread on the base plate and install positioning bolt, and positioning bolt bottom and fixed plate threaded connection to fixed plate welded fastening is at connecting seat outer wall top, connecting seat inner wall welded fastening has the barrier ring, and the barrier ring top surface is inlayed and is fixed with interior rubber circle to interior rubber circle top and center tube bottom laminating, connecting seat outer wall fixed mounting has the horizontal plate. This novel negative pressure sand washing connects adopts neotype structural design, and the dismantlement installation that can be quick avoids oil reservoir sand to fall back to influence the sand washing effect to whole can be stably connected with the water supply pipeline, can effectively avoid negative pressure sand washing to connect and drop, guarantees that negative pressure sand washing connects and can stably use.

Description

Novel negative pressure sand washing joint

Technical Field

The utility model relates to an oil field sand washing operation equipment technical field specifically is a novel negative pressure sand washing connects.

Background

The sand washing operation of the oil field is to wash and disperse sand plugs at the bottom of the well by using high-speed flowing liquid, and take the washed and dispersed sand out of the ground by using the circulating capacity of liquid flow circulating upward, so as to remove accumulated sand at the bottom of the well, recover and improve the yield of the well or the injection amount of a water injection well, wherein the existing negative pressure sand washing joint is connected through a lock catch structure, can be quickly lost when in use and needs to be replaced at regular time.

The installation of current negative pressure sand washing joint is with dismantle complex operation, need use tools such as breakout tongs, and the time that expends is longer, dismantles in the installation, and oil reservoir sand can fall back fast, influences the sand washing effect, and only relies on hasp and bolt with the pipe connection, when rivers pass through fast, can produce the vibration, probably leads to negative pressure sand washing articulate not hard up to drop.

Therefore, a new negative pressure sand washing joint is needed to be designed for the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel negative pressure sand washing connects to propose current negative pressure sand washing joint installation and dismantlement complex operation in solving above-mentioned background art, need use tools such as breakout tongs, the time of consumeing is longer, in dismantling the installation, oil reservoir sand can fall back fast, influences the sand washing effect, and only relies on hasp and bolt with pipe connection, when rivers pass through fast, can produce the vibration, probably leads to the not hard up problem that drops of negative pressure sand washing articulate.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel negative pressure sand washing connects, includes the connecting seat, install the center tube in the connecting seat, and connecting seat outer wall bottom welded fastening has scrapes dirty board to it is fixed with outer rubber circle to scrape to inlay on the connecting seat outer wall of dirty board top, connecting seat top surface is inlayed and is fixed with a rubber circle, and the laminating of top rubber circle top and base plate bottom surface to base plate welded fastening is on the center tube outer wall, run through the screw thread on the base plate and install positioning bolt, and positioning bolt bottom and fixed plate threaded connection to fixed plate welded fastening is at connecting seat outer wall top, connecting seat inner wall welded fastening has the barrier ring, and the barrier ring top surface is inlayed and is fixed with interior rubber circle to interior rubber circle top is laminated with the center tube bottom, connecting seat outer wall fixed mounting has the horizontal plate.

Preferably, the front view section of the dirt scraping plate is an isosceles obtuse triangle, the diameter of the bottom end of the dirt scraping plate is equal to the diameter of the top of the connecting seat, and the connecting seat is in threaded connection with the central pipe.

Preferably, the positioning bolts and the fixing plate are distributed at equal angles relative to the center of the central tube, and the side view shape of the fixing plate is a right triangle.

Preferably, the horizontal plate is provided with a track window, a locking mechanism is installed in the track window, and the bottom end of the locking mechanism is fixedly provided with a vertical clamping plate.

Preferably, the locking mechanism comprises a top bolt and a locking nut, the top bolt penetrates through the track window, the locking nut is installed at the top end of the top bolt, and the bottom end of the top bolt is welded and fixed at the center of the top surface of the vertical clamping plate.

Preferably, the top bolts and the vertical clamping plates are symmetrically distributed about the connecting seat, the top bolts are in sliding connection with the track window, and the vertical clamping plates are arc-shaped high-speed steel plates with rough surfaces.

Compared with the prior art, the beneficial effects of the utility model are that: the novel negative pressure sand washing joint adopts a novel structural design, can be quickly disassembled and assembled, avoids the sand falling of an oil layer from influencing the sand washing effect, can be stably connected with a water supply pipeline, can effectively avoid the negative pressure sand washing joint from falling off, and ensures that the negative pressure sand washing joint can be stably used;

1. the device can be integrally and stably fixed at the tail end of a water supply pipeline by the mutual matching of the connecting seat, the dirt scraping plate, the outer rubber ring, the horizontal plate, the track window, the locking mechanism and the vertical clamping plate, so that the stability of the central pipe can be ensured, and the integral loosening and slipping of the device can be avoided;

2. through base plate, positioning bolt, fixed plate, interior rubber circle and barrier ring work of mutually supporting, can be with connecting seat and center tube stable connection to seal center tube and connecting seat, can effectively avoid water to leak from connecting seat and center tube junction, guarantee that the whole normal stable work of ability of device.

Drawings

FIG. 1 is a schematic view of the front view structure of the present invention;

FIG. 2 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 3 is a schematic top view of the horizontal plate and the locking mechanism of the present invention;

fig. 4 is a schematic view of the bottom cross-sectional structure of the connecting seat and the stop ring of the present invention.

In the figure: 1. a connecting seat; 2. a central tube; 3. a dirt scraping plate; 4. an outer rubber ring; 5. pushing a rubber ring; 6. a substrate; 7. positioning a bolt; 8. a fixing plate; 9. an inner rubber ring; 10. a blocking ring; 11. a horizontal plate; 12. a track window; 13. a locking mechanism; 1301. a jack bolt; 1302. a lock nut; 14. vertical splints.

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 a technical solution: a novel negative pressure sand washing joint comprises a connecting seat 1, a central tube 2, a dirt scraping plate 3, an outer rubber ring 4, a top rubber ring 5, a base plate 6, a positioning bolt 7, a fixing plate 8, an inner rubber ring 9, a stop ring 10, a horizontal plate 11, a track window 12, a locking mechanism 13, a top bolt 1301, a locking nut 1302 and a vertical clamping plate 14, wherein the connecting seat 1 is connected with the central tube 2, the dirt scraping plate 3 is arranged at the bottom end of the outer wall of the connecting seat 1, the outer rubber ring 4 is fixedly arranged on the outer wall of the connecting seat 1 above the dirt scraping plate 3, the front section of the dirt scraping plate 3 is in an isosceles obtuse triangle shape, the diameter of the bottom end of the dirt scraping plate 3 is equal to the diameter of the top of the connecting seat 1, the connecting seat 1 is in threaded connection with the central tube 2, the connecting seat 1 can be quickly connected with the central tube 2 through the structural design, and impurities on the inner wall of the pipeline can be pushed downwards by the dirt scraping plate 3 when the pipeline is inserted into the pipeline, the outer rubber ring 4 is prevented from being damaged by friction with impurities, and the sealing effect is prevented from being influenced;

the top surface of the connecting seat 1 is provided with a top rubber ring 5, the top of the top rubber ring 5 is attached to the bottom surface of a base plate 6, the base plate 6 is fixedly installed on the outer wall of the central tube 2, a positioning bolt 7 is installed on the base plate 6 in a penetrating mode, the bottom end of the positioning bolt 7 is connected with a hole formed in the top surface of a fixing plate 8, the fixing plate 8 is fixedly installed on the top of the outer wall of the connecting seat 1, the positioning bolt 7 and the fixing plate 8 are distributed in an equal angle mode relative to the center of the central tube 2, the side view shape of the fixing plate 8 is a right triangle, the connecting seat 1 and the central tube 2 can be reinforced through the structural design, and the connecting seat 1 and the central tube 2 are stably connected;

the inner wall of the connecting seat 1 is fixedly provided with a stop ring 10, the top surface of the stop ring 10 is provided with an inner rubber ring 9, the top of the inner rubber ring 9 is attached to the bottom end of the central tube 2, two sides of the outer wall of the connecting seat 1 are fixedly welded with horizontal plates 11, track windows 12 are formed in the horizontal plates 11, locking mechanisms 13 are arranged in the track windows 12, vertical clamping plates 14 are arranged at the bottom ends of the locking mechanisms 13, and the device can be integrally and stably fixed at the tail end of a water delivery pipeline by the aid of the structural design, so that the connecting seat 1 and the central tube 2 can stably work;

the locking mechanism 13 comprises a top bolt 1301 and a locking nut 1302, the top bolt 1301 penetrates through the track window 12, the locking nut 1302 is installed at the top end of the top bolt 1301, the bottom end of the top bolt 1301 is welded and fixed to the center of the top surface of the vertical clamping plate 14, the horizontal position of the vertical clamping plate 14 can be fixed through the structural design, and the vertical clamping plate 14 can stably fix the whole device at the tail ends of water pipes with different diameters; the top bolts 1301 and the vertical clamping plates 14 are symmetrically distributed about the connecting seat 1, the top bolts 1301 are in sliding connection with the track window 12, the vertical clamping plates 14 are arc-shaped high-speed steel plates with rough surfaces, the vertical clamping plates 14 can drive the top bolts 1301 to horizontally slide along the track window 12 to adjust the positions, the vertical clamping plates 14 are tightly attached to the outer wall of the water conveying pipeline, and the connecting seat 1 is fixed.

The working principle is as follows: when the device is installed, the central tube 2 is inserted into the center of the connecting seat 1, the central tube 2 is rotated, the central tube 2 rotates and descends in the connecting seat 1 and is in threaded connection with the connecting seat 1 until the bottom surface of the central tube 2 is tightly attached to the inner rubber ring 9, the central tube 2 is stopped rotating, a hole formed in the base plate 6 is aligned with a hole formed in the top of the fixing plate 8 in the figure 2, the positioning bolt 7 is rotated to be connected with the base plate 6 and the fixing plate 8, and the central tube 2 is connected with the connecting seat 1 and sealed;

then holding the symmetrically distributed horizontal plates 11 by two hands, aligning the bottom end of the connecting seat 1 with the tail end of the water conveying pipeline and inserting, pushing impurities and gravel on the inner wall of the pipeline downwards by the dirt scraping plate 3, enabling the outer rubber ring 4 to be attached to the smooth inner wall of the water conveying pipeline and slide downwards until the bottom surface of the horizontal plate 11 is attached to the tail end of the water conveying pipeline, and inserting the connecting seat 1 into the water conveying pipeline for fixing;

then, the locking nut 1302 is rotated to move upwards to be far away from the horizontal plate 11, the vertical clamping plate 14 is pulled to drive the top bolt 1301 to horizontally slide towards the direction of the connecting seat 1 along the track window 12 until the inner surfaces of the symmetrically distributed 2 vertical clamping plates 14 are tightly attached to the outer wall of the water pipeline, the locking nut 1302 is screwed up and down on the top bolt 1301 to reset, the surface of the horizontal plate 11 is extruded, the top surface of the vertical clamping plate 14 is matched to clamp the horizontal plate 11, so that the position of the vertical clamping plate 14 is fixed, the vertical clamping plate 14 fixes the whole stable clamping of the device at the tail end of the water pipeline, and the sand washing operation can be normally carried out, namely the working principle of the novel negative pressure sand washing joint.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel negative pressure sand washing connects, includes connecting seat (1), its characterized in that: the automatic dirt scraping device is characterized in that a central tube (2) is installed in the connecting seat (1), a dirt scraping plate (3) is fixedly welded at the bottom end of the outer wall of the connecting seat (1), an outer rubber ring (4) is fixedly embedded on the outer wall of the connecting seat (1) above the dirt scraping plate (3), a top rubber ring (5) is fixedly embedded at the top surface of the connecting seat (1), the top of the top rubber ring (5) is attached to the bottom surface of a base plate (6), the base plate (6) is fixedly welded on the outer wall of the central tube (2), a positioning bolt (7) is installed on the base plate (6) in a penetrating threaded mode, the bottom end of the positioning bolt (7) is in threaded connection with a fixing plate (8), the fixing plate (8) is fixedly welded at the top end of the outer wall of the connecting seat (1), a blocking ring (10) is fixedly welded at the inner wall of the connecting seat (1), an inner rubber ring (9) is fixedly embedded at the top surface of the blocking ring (10), and the top of the inner rubber ring (9) is attached to the bottom end of the central tube (2), and a horizontal plate (11) is fixedly arranged on the outer wall of the connecting seat (1).

2. The novel negative pressure sand washing joint as claimed in claim 1, wherein: the front view section of the dirt scraping plate (3) is an isosceles obtuse triangle, the diameter of the bottom end of the dirt scraping plate (3) is equal to the diameter of the top of the connecting seat (1), and the connecting seat (1) is in threaded connection with the central pipe (2).

3. The novel negative pressure sand washing joint as claimed in claim 1, wherein: positioning bolt (7) and fixed plate (8) all are the equal angular distribution about the center of center tube (2), and the side view shape of fixed plate (8) is right triangle.

4. The novel negative pressure sand washing joint as claimed in claim 1, wherein: track window (12) have been seted up on horizontal plate (11), and install locking mechanical system (13) in track window (12) to locking mechanical system (13) bottom fixed mounting has perpendicular splint (14).

5. The novel negative pressure sand washing joint as claimed in claim 4, wherein: the locking mechanism (13) comprises a top bolt (1301) and a locking nut (1302), the top bolt (1301) penetrates through the track window (12), the locking nut (1302) is installed at the top end of the top bolt (1301), and meanwhile the bottom end of the top bolt (1301) is welded and fixed to the center of the top face of the vertical clamping plate (14).

6. The novel negative pressure sand washing joint as claimed in claim 5, wherein: the top bolt (1301) and the vertical clamping plate (14) are symmetrically distributed about the connecting seat (1), the top bolt (1301) is in sliding connection with the track window (12), and the vertical clamping plate (14) is an arc-shaped high-speed steel plate with a rough surface.