CN214533482U

CN214533482U - Oil drilling and production fracturing equipment fluid end assembly-RD 5

Info

Publication number: CN214533482U
Application number: CN202023260134.7U
Authority: CN
Inventors: 朱明�; 李刚; 吴涛
Original assignee: Jiangyin Yida Machinery Manufacturing Co ltd
Current assignee: Jiangyin Yida Machinery Manufacturing Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-10-29
Anticipated expiration: 2030-12-29

Abstract

The utility model discloses an oil bores and adopts fracturing equipment fluid end assembly- -RD5, comprising a cylinder body, cylinder body middle part fixed mounting has strutting arrangement, strutting arrangement middle part and cylinder body right-hand member middle part run through jointly have the piston rod, piston rod surface left side fixed mounting has the feed member, piston rod surface left part fixed mounting has row material spare, the other fixed mounting of cylinder body upper end left part and lower extreme left part has the inlet pipe and arranges the material pipe, the spout has all been opened to cylinder body inner wall upper portion and inner wall lower part. The utility model discloses a petroleum drilling and production fracturing equipment fluid end assembly-RD 5, through the supporting device, the feeding piece, the discharging piece, the chute and the cooperation installation of the feeding pipe and the discharging pipe, can realize the work of sucking and discharging of fracturing fluid fast, improve the fracturing effect; and the installation of feed liquor pipe, piston rod and piston spare can wash the operation to the inside residue of cylinder body, has solved the problem that fracturing pump fluid end washs too difficult messenger fracturing pump fluid end life reduction.

Description

Oil drilling and production fracturing equipment fluid end assembly-RD 5

Technical Field

The utility model relates to the field of, in particular to oil bores and adopts fracturing unit hydraulic end assembly-RD 5.

Background

Along with the rapid development of economy in China and the rapid improvement of the development of the economy in industry, more and more advanced equipment appears in the industry of China, a fracturing pump hydraulic end is often used, and the fracturing pump hydraulic end often has the following problems in the use process: 1. spring parts are often arranged in the hydraulic end of the fracturing pump and used for sucking and discharging fracturing fluid, and the spring parts are easily damaged in the long-term use process, so that the effect of the fracturing process is reduced; 2. the interior of the hydraulic end of the existing fracturing pump is not easy to clean, so that the service life of the hydraulic end of the fracturing pump is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a petroleum drilling and production fracturing equipment fluid end assembly-RD 5, can effectively solve the problem among the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a hydraulic end assembly-RD of an oil drilling and production fracturing device comprises a cylinder body, wherein a supporting device is fixedly arranged in the middle of the cylinder body, a piston rod penetrates through the middle part of the supporting device and the middle part of the right end of the cylinder body together, a piston piece is fixedly sleeved at the right part of the piston rod, the outer diameter of the piston piece is equal to the inner diameter of the cylinder body, the left side of the outer surface of the piston rod is fixedly provided with a feeding piece, the left part of the outer surface of the piston rod is fixedly provided with a material discharging piece, the left part of the upper end and the left part of the lower end of the cylinder body are respectively fixedly provided with a material inlet pipe and a material discharging pipe, the upper part of the inner wall of the cylinder body and the lower part of the inner wall are both provided with a sliding chute, one side of the feeding part close to the cylinder body and one side of the discharging part close to the cylinder body are both connected with the inside of the sliding chute in a sliding way, the cylinder body upper end right part fixed mounting has the feed liquor pipe, cylinder body lower extreme right part fixed mounting has the fluid-discharge tube, and equal fixed mounting has the valve in fluid-discharge tube middle part and feed liquor pipe middle part.

Preferably, strutting arrangement includes the sleeve, sleeve right part fixed mounting has two support frames, the equal fixed mounting of sleeve upper end left part and lower extreme left part has three hornblocks, three hornblock middle parts run through there is the pivot No. one, a pivot surface front portion activity has cup jointed a connecting rod No. one, one side that three hornblocks were kept away from to a connecting rod runs through there is the pivot No. two.

Preferably, the left end of the piston rod penetrates through the interior of the sleeve, and one side, far away from the sleeve, of each support frame is fixedly connected with the inner wall of the cylinder body.

Preferably, the feeding part includes an installation piece, No. three pivots run through in installation piece middle part, No. two connecting rods have been cup jointed in the anterior activity of No. three pivot surface, No. two connecting rod upper end fixed mounting have flexible loop bar No. one, flexible loop bar upper end fixed mounting has a sliding seat No. one, sliding seat rear portion fixed mounting has a slider No. one.

Preferably, the discharging part comprises a second mounting block, a fourth rotating shaft penetrates through the middle of the second mounting block, a third connecting rod is sleeved on the front portion of the outer surface of the fourth rotating shaft, a second telescopic sleeve rod is fixedly connected to the lower end of the third connecting rod, a second sliding seat is fixedly connected to the lower end of the second telescopic sleeve rod, a second sliding block is fixedly connected to the rear portion of the second sliding seat, and the second sliding seat is located below the right side of the first sliding seat.

Preferably, the rear end of the second rotating shaft penetrates through the middle of the second connecting rod and the middle of the third connecting rod respectively, and the inside of the sliding groove is in sliding connection with one side of the first sliding block away from the first sliding seat and one side of the second sliding block away from the second sliding seat respectively.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the utility model discloses in, through strutting arrangement, feeding piece, play work piece, spout and inlet pipe and the cooperation installation of arranging the material pipe, can realize the work of inhaling and discharging of fracturing fluid fast, compare with traditional spring part, avoid the spring fatigue to lead to fracturing fluid suction volume or output volume to reduce, improve the fracturing effect.

(2) The utility model discloses in, through opening the valve on the feed liquor pipe, the washing liquid passes through the feed liquor pipe and gets into in the cylinder body to drive piston spare motion in the cylinder body under the effect of piston rod, carry out the disturbance to the washing liquid, thereby carry out the cleaning operation to the inside residue of cylinder body, solved fracturing pump fluid end and washd too difficultly, the problem that makes the life of fracturing pump fluid end reduce.

Drawings

FIG. 1 is a longitudinal cross-sectional view of a hydraulic end assembly- -RD5 of an oil drilling and production fracturing apparatus of the present invention;

FIG. 2 is a schematic structural diagram of a supporting device of a hydraulic end assembly-RD 5 of the oil drilling and production fracturing equipment of the present invention;

FIG. 3 is a longitudinal cross-sectional view of the feed member of the hydraulic end assembly- -RD5 of an oil drilling and production fracturing apparatus of the present invention;

fig. 4 is a longitudinal sectional view of the discharge member of the hydraulic end assembly-RD 5 of the oil drilling and production fracturing equipment of the present invention.

In the figure: 1. a discharge pipe; 2. a feed pipe; 3. a support device; 4. a feeding member; 5. discharging the material; 6. a cylinder body; 7. a piston rod; 8. a chute; 9. a piston member; 10. a liquid inlet pipe; 11. a liquid discharge pipe; 31. a support frame; 32. a sleeve; 33. a triangular block; 34. a first rotating shaft; 35. a second rotating shaft; 36. a first connecting rod; 41. a first mounting block; 42. a third rotating shaft; 43. a second connecting rod; 44. a first sliding seat; 45. a first sliding block; 46. a first telescopic loop bar; 51. a second mounting block; 52. a fourth rotating shaft; 53. a third connecting rod; 54. a second telescopic loop bar; 55. a second sliding seat; 56. and a second sliding block.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in figures 1-4, a hydraulic end assembly-RD 5 of petroleum drilling and fracturing equipment comprises a cylinder body 6, a supporting device 3 is fixedly installed in the middle of the cylinder body 6, a piston rod 7 jointly penetrates through the middle of the supporting device 3 and the middle of the right end of the cylinder body 6, a piston part 9 is fixedly sleeved on the right part of the piston rod 7, the outer diameter of the piston part 9 is equal to the inner diameter of the cylinder body 6, a feeding part 4 is fixedly installed on the left side of the outer surface of the piston rod 7, a discharging part 5 is fixedly installed on the left part of the outer surface of the piston rod 7, a feeding pipe 2 and a discharging pipe 1 are respectively and fixedly installed on the left part of the upper end and the left part of the lower end of the cylinder body 6, sliding chutes 8 are respectively formed on the upper part of the inner wall and the lower part of the inner wall of the cylinder body 6, one side of the feeding part 4 close to the cylinder body 6 and one side of the discharging part 5 close to the cylinder body 6 are both in sliding connection with the inner part of the sliding chutes 8, a liquid inlet pipe 10 is fixedly installed on the right part of the upper end of the cylinder body 6, a liquid outlet pipe 11 is fixedly installed on the right part of the lower end of the cylinder body 6, and valves are fixedly arranged in the middle of the liquid discharge pipe 11 and the middle of the liquid inlet pipe 10.

In order to support the feeding part 4 and the discharging part 5, the supporting device 3 comprises a sleeve 32, two supporting frames 31 are fixedly installed at the right part of the sleeve 32, triangular blocks 33 are fixedly installed at the left part of the upper end and the left part of the lower end of the sleeve 32, a first rotating shaft 34 penetrates through the middle parts of the triangular blocks 33, a first connecting rod 36 is movably sleeved at the front part of the outer surface of the first rotating shaft 34, and a second rotating shaft 35 penetrates through one side, far away from the triangular blocks 33, of the first connecting rod 36; in order to guide and support the piston rod 7, the left end of the piston rod 7 penetrates through the sleeve 32, and one sides of the two support frames 31 far away from the sleeve 32 are fixedly connected with the inner wall of the cylinder body 6; the feeding part 4 comprises a first mounting block 41, a third rotating shaft 42 penetrates through the middle of the first mounting block 41, a second connecting rod 43 is movably sleeved at the front part of the outer surface of the third rotating shaft 42, a first telescopic loop bar 46 is fixedly mounted at the upper end of the second connecting rod 43, a first sliding seat 44 is fixedly mounted at the upper end of the first telescopic loop bar 46, a first sliding block 45 is fixedly mounted at the rear part of the first sliding seat 44, and when the feeding pipe 2 is opened, fracturing fluid is pressed into the cylinder 6 by the pressure difference between the inside and the outside of the cylinder 6; the discharge part 5 comprises a second mounting block 51, a fourth rotating shaft 52 penetrates through the middle of the second mounting block 51, a third connecting rod 53 is movably sleeved on the front part of the outer surface of the fourth rotating shaft 52, a second telescopic sleeve rod 54 is fixedly connected to the lower end of the third connecting rod 53, a second sliding seat 55 is fixedly connected to the lower end of the second telescopic sleeve rod 54, a second sliding block 56 is fixedly connected to the rear part of the second sliding seat 55, the second sliding seat 55 is positioned at the lower right part of the first sliding seat 44, the discharge pipe 1 is opened, fracturing fluid can be pressed out of the cylinder body 6 by pressure in the cylinder body 6 at the moment, and the matching installation of the discharge part 5 and the feed part 4 avoids the reduction of the suction output quantity of the fracturing fluid caused by the traditional spring action and improves the fracturing effect; the rear end of the second rotating shaft 35 penetrates through the middle of the second connecting rod 43 and the middle of the third connecting rod 53 respectively, and the inside of the sliding chute 8 is in sliding connection with one side of the first sliding block 45 away from the first sliding seat 44 and one side of the second sliding block 56 away from the second sliding seat 55 respectively.

It should be noted that the utility model relates to a hydraulic end assembly of oil drilling and production fracturing equipment-RD 5, when the fracturing fluid needs to be sucked, the hydraulic end effect is received, piston rod 7 drives piston member 9 to make reciprocating motion in cylinder body 6, when piston rod 7 moves to the fracturing pump power end, piston rod 7 moves to the right end, drive No. two connecting rod 43 and No. three connecting rod 53 to rotate along No. two pivot 35, so that the rotation of No. two connecting rod 43 and No. three connecting rod 53 drives No. one telescopic sleeve rod 46 and No. two telescopic sleeve rod 54 to make telescopic motion and simultaneously drive No. one sliding seat 44 and No. two sliding seats 55 to all move to the left, at this moment, No. one sliding seat 44 moves to the lower left of inlet pipe 2, inlet pipe 2 is opened, the fracturing fluid is pressed into cylinder body 6 by the pressure difference inside and outside cylinder body 6, No. two sliding seats 55 move to the position of discharge pipe 1, discharge pipe 1 is closed, when the piston rod 7 moves to the left end, the second connecting rod 43 and the third connecting rod 53 are driven to rotate again along the second rotating shaft 35, so that the first telescopic sleeve rod 46 and the second telescopic sleeve rod 54 are driven to do stretching movement by the rotation of the second connecting rod 43 and the third connecting rod 53, the first sliding seat 44 and the second sliding seat 55 are driven to move rightwards, the first sliding seat 44 moves to the position of the feed pipe 2 at the moment, the feed pipe 2 is closed, the second sliding seat 55 moves to the upper right of the discharge pipe 1, the discharge pipe 1 is opened, the fracturing fluid can be pressed out of the cylinder body 6 by the pressure in the cylinder body 6 at the moment, and the hydraulic end avoids the reduction of the suction output quantity of the fracturing fluid caused by the spring action and improves the fracturing effect; and when the inside cleaning operation of cylinder body 6 needs to be carried out, open the valve on feed liquor pipe 10, the washing liquid passes through feed liquor pipe 10 and gets into in cylinder body 6 to drive piston spare 9 and move in cylinder body 6 under the effect of piston rod 7, disturb the washing liquid, thereby carry out the cleaning operation to the inside of cylinder body 6.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. 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. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An oil drilling and production fracturing equipment fluid end assembly-RD 5, comprising a cylinder body (6), characterized in that: the cylinder body (6) middle part fixed mounting has strutting arrangement (3), strutting arrangement (3) middle part and cylinder body (6) right-hand member middle part run through jointly has piston rod (7), the fixed cover in piston rod (7) right part has piston spare (9), piston spare (9) external diameter equals cylinder body (6) internal diameter, piston rod (7) surface left side fixed mounting has feeding member (4), piston rod (7) surface left part fixed mounting has row material spare (5), cylinder body (6) upper end left part and lower extreme left part do not fixed mounting have inlet pipe (2) and row material pipe (1), spout (8) have all been opened to cylinder body (6) inner wall upper portion and inner wall lower part, one side that feeding member (4) are close to cylinder body (6) and one side that row material spare (5) are close to cylinder body (6) all with spout (8) inside sliding connection, the upper end right part fixed mounting of cylinder body (6) has feed liquor pipe (10), cylinder body (6) lower extreme right part fixed mounting has fluid-discharge tube (11), and equal fixed mounting in fluid-discharge tube (11) middle part and feed liquor pipe (10) middle part has the valve.

2. The oil drilling and production fracturing equipment fluid end assembly-RD 5 of claim 1, wherein: strutting arrangement (3) are including sleeve (32), sleeve (32) right part fixed mounting has two support frames (31), sleeve (32) upper end left part and the equal fixed mounting of lower extreme left part have three hornblocks (33), three hornblocks (33) middle part run through have a pivot (34), a connecting rod (36) has been cup jointed in the anterior activity of pivot (34) surface, one side that three hornblocks (33) were kept away from in a connecting rod (36) runs through No. two pivot (35).

3. The oil drilling and production fracturing equipment fluid end assembly-RD 5 of claim 2, wherein: the left end of the piston rod (7) penetrates through the interior of the sleeve (32), and one side, far away from the sleeve (32), of the support frame (31) is fixedly connected with the inner wall of the cylinder body (6).

4. The oil drilling and production fracturing equipment fluid end assembly-RD 5 of claim 1, wherein: feeding part (4) are including installation piece (41) No. one, No. one installation piece (41) middle part is run through and is had No. three pivot (42), No. three pivot (42) surface front portion activity has been cup jointed No. two connecting rods (43), No. two connecting rod (43) upper end fixed mounting has flexible loop bar (46) No. one, flexible loop bar (46) upper end fixed mounting has sliding seat (44) No. one, sliding seat (44) rear portion fixed mounting has slider (45) No. one.

5. The oil drilling and production fracturing equipment fluid end assembly-RD 5 of claim 1, wherein: arrange material piece (5) including No. two installation piece (51), No. two installation piece (51) middle part is run through and is had No. four pivot (52), No. three connecting rod (53) have been cup jointed in No. four pivot (52) surface front portion activities, No. three connecting rod (53) lower extreme fixedly connected with telescopic sleeve rod (54) No. two, No. two telescopic sleeve rod (54) lower extreme fixedly connected with sliding seat (55) No. two, No. two sliding seat (55) rear portion fixedly connected with slider (56) No. two, No. two sliding seat (55) are located sliding seat (44) right side below.

6. The oil drilling and production fracturing equipment fluid end assembly-RD 5 of claim 2, wherein: the rear end of the second rotating shaft (35) penetrates through the middle of the second connecting rod (43) and the middle of the third connecting rod (53) respectively, and the inside of the sliding groove (8) is connected with one side of the first sliding block (45) far away from the first sliding seat (44) and one side of the second sliding block (56) far away from the second sliding seat (55) in a sliding mode.