CN220470136U

CN220470136U - Drilling pump for oilfield drilling

Info

Publication number: CN220470136U
Application number: CN202322074039.5U
Authority: CN
Inventors: 马小伟
Original assignee: Shaanxi Shengli Plateau Petroleum Engineering Technology Service Co ltd
Current assignee: Shaanxi Shengli Plateau Petroleum Engineering Technology Service Co ltd
Priority date: 2023-08-03
Filing date: 2023-08-03
Publication date: 2024-02-09
Anticipated expiration: 2033-08-03

Abstract

The utility model discloses a drilling pump for oilfield drilling, which relates to the technical field of drilling pumps and comprises a mounting box, wherein a fixed cylinder is arranged at one end of the mounting box, a fixed cover is arranged at one end of the fixed cylinder, a movable block is arranged in the fixed cylinder, a connecting rod is arranged at one side of the movable block, one end of the connecting rod extends to the outer side of the fixed cover, a rubber film is arranged at one end of the connecting rod, and a fixed cover is arranged at one end of the fixed cover. According to the utility model, the rotating frame is buckled on the outer side of the mounting box, and the rotating shaft is rotated to enable the moving block to directionally move in the mounting box, so that the limiting plate pulls the inner wall of the rotating frame to be limited, the fixed cover is tightly pressed on the fixed cover, and connection between the fixed cover and the fixed cover is completed, so that a bolt connection mode is replaced, and when the pump is dismounted later, compared with the bolt, the pump is more convenient, and cleaning or replacement of internal tools of a pump body related pipeline can be facilitated.

Description

Drilling pump for oilfield drilling

Technical Field

The utility model relates to the technical field of drilling pumps, in particular to a drilling pump for oilfield drilling.

Background

In the work of oil field, often can use the drilling pump, the drilling pump is the key equipment in the drilling fluid circulation system, on-the-spot custom is called the slush pump, generally be used for carrying high viscosity, high density and the higher drilling fluid of sand content to the shaft bottom under high pressure, so that cooling bit and carry detritus etc. relevant device in the prior art carries out the connection of each part through flange and bolt, like this when the relevant pipeline inside of the pump body appears blocking up because of mud, the difficult clearance of going on of relevant part of inside also is difficult for changing, because of this, to above-mentioned problem, intensive research has been carried out, the case produced.

Disclosure of Invention

The utility model aims to provide a drilling pump for oilfield drilling, which aims to solve the problem that the traditional device proposed in the background art is difficult to partially disassemble by using bolt connection.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a drilling pump for oil field well drilling, includes the mounting box, fixed section of thick bamboo is installed to the one end of mounting box, and fixed lid is installed to the one end of fixed section of thick bamboo, the inside of fixed section of thick bamboo is provided with the movable block, and the connecting rod is installed to one side of movable block, the one end of connecting rod extends to the outside of fixed lid, and the one end of connecting rod is provided with the rubber membrane, the one end of fixed lid is provided with fixed cover, and the check valve pipe is all installed at the upper and lower both ends of fixed cover, a plurality of rotating frames are installed through the articulated elements to the outer wall of fixed cover, and a plurality of mounting boxes are installed to the outer wall of fixed cover, the rotation axis is all installed through the pivot to the one end of mounting box inside, and the one end of rotation axis extends to the outside of mounting box all installs the knob, the rotation axis outer wall cover of mounting box is equipped with the movable block, the outside of mounting box is provided with the limiting plate, and the one end of limiting plate is connected with the one end of movable block through the mounting.

Preferably, the check valve pipe comprises a first connecting pipe, a check valve joint and a second connecting pipe, the second connecting pipe is arranged on the outer wall of the fixed cover, one end of the second connecting pipe is provided with the first connecting pipe through a flange, and one end of the first connecting pipe is provided with the check valve joint through the flange.

Preferably, the gearbox is installed to the one end of installing the case, and driving motor is installed to the input of gearbox, the internally mounted who extends to the installing case of gearbox has the disc, and installs the transfer line through the pivot in one side of disc one end, the one end of transfer line is connected with one side of movable block through the articulated elements.

Preferably, the inner wall of the fixed cover is fixed with an annular baffle, one side of the fixed cover is fixed with a plurality of resisting rods, a fixed ring is arranged between the resisting rods and one side of the annular baffle, and the fixed ring is connected with the outer wall of the rubber film.

Preferably, the inside of solid fixed ring transversely runs through and has a plurality of spacing holes, a plurality of locating holes have been seted up to one side of annular baffle, one side of supporting the pin all is fixed with the reference column, and the one end of reference column all runs through in the inside of spacing hole and extends to the inside of locating hole, the embedding has ring seal between one side of solid fixed ring and annular baffle.

Preferably, one end of the outer wall of the connecting rod is fixed with a fixed tray, one side of the rubber film is provided with a movable tray, one end of the connecting rod is provided with a threaded hole, and one end of the movable tray is fixed with a threaded rod matched with the threaded hole.

Preferably, the outer wall of the rotating shaft is provided with external threads, the inner wall of the moving block is provided with internal threads matched with the moving block, and the moving block is connected with the mounting box in a sliding mode.

Compared with the prior art, the utility model has the beneficial effects that:

through detaining rotatory frame in the outside of mounting box to rotatory rotation axis causes the movable block to be in the inside directional removal of mounting box, makes the limiting plate pull the inner wall of rotatory frame spacing, thereby makes fixed cover tightly sticis on fixed cover, accomplishes the connection between the two, thereby has replaced the connected mode of bolt, and during follow-up dismantlement, it is more convenient compared with the bolt, can be convenient for clear up or change the internal tool of the relevant pipeline of pump body.

Drawings

FIG. 1 is a schematic cross-sectional elevation view of the present utility model;

FIG. 2 is a schematic top view of the mounting box of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 4 is a schematic front view of the combination of the retaining cap and the retaining cap of the present utility model;

FIG. 5 is a schematic view showing a bottom cross-sectional structure of a limiting plate according to the present utility model;

FIG. 6 is a schematic view of a partial cross-sectional elevation view of a rubber membrane of the present utility model.

In the figure: 1. a fixed cover; 2. a fixed cover; 3. a one-way valve tube; 31. a liquid inlet pipe; 32. a one-way valve joint; 31. a liquid outlet pipe; 4. a movable block; 5. a connecting rod; 6. a fixed cylinder; 7. a disc; 8. a mounting box; 9. a transmission rod; 10. a gearbox; 11. a driving motor; 12. a fixing ring; 13. a limiting hole; 14. an annular baffle; 15. a stop lever; 16. positioning holes; 17. positioning columns; 18. a rubber film; 19. a rotation shaft; 20. a limiting plate; 21. a mounting box; 22. a rotating frame; 23. a moving block; 24. a movable tray; 25. and fixing the tray.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: referring to fig. 1-6, a drilling pump for oilfield drilling comprises a mounting box 8, wherein a fixed cylinder 6 is mounted at one end of the mounting box 8, a fixed cover 2 is mounted at one end of the fixed cylinder 6, a movable block 4 is arranged in the fixed cylinder 6, a connecting rod 5 is mounted at one side of the movable block 4, one end of the connecting rod 5 extends to the outer side of the fixed cover 2, a rubber membrane 18 is arranged at one end of the connecting rod 5, a fixed cover 1 is arranged at one end of the fixed cover 2, check valve pipes 3 are mounted at the upper end and the lower end of the fixed cover 1, a plurality of rotary frames 22 are mounted on the outer wall of the fixed cover 2 through hinges, a plurality of mounting boxes 21 are mounted on the outer wall of the fixed cover 1, a rotary shaft 19 is mounted at one end of the inner part of the mounting boxes 21 through rotary shafts, a rotary knob is mounted at one end of the rotary shaft 19 extending to the outer side of the mounting boxes 21, a movable block 23 is sleeved on the outer wall of the rotary shaft 19 in the mounting boxes 21, a limiting plate 20 is arranged at the outer side of the limiting plate 20, and one end of the limiting plate 20 is connected with one end of the movable block 23 through a fixing piece;

the outer wall of the rotating shaft 19 is provided with external threads, the inner wall of the moving block 23 is provided with internal threads matched with the external threads, and the connecting mode between the moving block 23 and the mounting box 21 is sliding connection;

specifically, as shown in fig. 1, 4 and 5, the rotating frame 22 is fastened on the outer side of the installation box 21, and the rotating shaft 19 is rotated to cause the moving block 23 to directionally move in the installation box 21, so that the limiting plate 20 pulls and limits the inner wall of the rotating frame 22, thereby tightly pressing the fixed cover 2 on the fixed cover 1 to complete the connection between the two, and otherwise, the fixed cover 1 can be detached.

The check valve pipe 3 comprises a first connecting pipe 31, a check valve joint 32 and a second connecting pipe 33, the second connecting pipe 33 is arranged on the outer wall of the fixed cover 1, one end of the second connecting pipe 33 is provided with the first connecting pipe 31 through a flange, and one end of the first connecting pipe 31 is provided with the check valve joint 32 through a flange;

specifically, as shown in fig. 1, the first connecting tube 31 may allow the liquid to pass through in one direction, so as to avoid the liquid from flowing back.

A gearbox 10 is arranged at one end of the mounting box 8, a driving motor 11 is arranged at the input end of the gearbox 10, a disc 7 is arranged in the mounting box 8 in an extending manner at the output end of the gearbox 10, a transmission rod 9 is arranged at one side of one end of the disc 7 through a rotating shaft, and one end of the transmission rod 9 is connected with one side of the movable block 4 through a hinge piece;

specifically, as shown in fig. 1 and 2, the driving motor 11 can reduce the speed to drive the disc 7 to rotate, so that the transmission rod 9 periodically pushes and pulls the movable block 4 to reciprocate, and the basic principle of the pump is realized.

An annular baffle plate 14 is fixed on the inner wall of the fixed cover 1, a plurality of blocking rods 15 are fixed on one side of the fixed cover 2, a fixed ring 12 is arranged between the blocking rods 15 and one side of the annular baffle plate 14, and the fixed ring 12 is connected with the outer wall of a rubber membrane 18;

a plurality of limiting holes 13 transversely penetrate through the inside of the fixed ring 12, a plurality of positioning holes 16 are formed in one side of the annular baffle 14, positioning columns 17 are fixed on one side of the resisting rods 15, one ends of the positioning columns 17 penetrate through the inside of the limiting holes 13 and extend to the inside of the positioning holes 16, and an annular sealing ring is embedded between the fixed ring 12 and one side of the annular baffle 14;

specifically, as shown in fig. 1 and 3, along with the buckling of the fixed cover 1 and the fixed cover 2, the positioning column 17 is clamped into the positioning hole 16, the vertical limiting of the fixed ring 12 can be completed through the limiting of the positioning column 17 to the limiting hole 13, the shaking of the fixed ring 12 is avoided, meanwhile, the annular baffle 14 and the resisting rod 15 respectively limit the two sides of the fixed ring 12, the fixed ring 12 is prevented from being transversely deflected, and at the moment, the fixed ring 12 is tightly pressed on the annular baffle 14, and the sealing ring can be used for sealing.

A fixed tray 25 is fixed at one end of the outer wall of the connecting rod 5, a movable tray 24 is arranged at one side of the rubber membrane 18, a threaded hole is formed at one end of the connecting rod 5, and a threaded rod matched with the movable tray 24 is fixed at one end of the movable tray 24;

specifically, as shown in fig. 1 and 6, the movable tray 24 may be mounted on the connection rod 5 by means of the cooperation of the threaded rod and the threaded hole, so that the movable tray 24 and the fixed tray 25 press the rubber membrane 18, thereby completing the fixation between the rubber membrane 18 and the connection rod 5.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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. Drilling pump for oilfield drilling, comprising a mounting box (8), characterized in that: fixed section of thick bamboo (6) are installed to the one end of installing box (8), and fixed lid (2) are installed to the one end of fixed section of thick bamboo (6), the inside of fixed section of thick bamboo (6) is provided with movable block (4), and one side of movable block (4) is installed connecting rod (5), the one end of connecting rod (5) extends to the outside of fixed lid (2), and the one end of connecting rod (5) is provided with rubber membrane (18), the one end of fixed lid (2) is provided with fixed cover (1), and all installs check valve pipe (3) at the upper and lower both ends of fixed cover (1), a plurality of rotating frame (22) are installed through the articulated elements to the outer wall of fixed cover (2), and a plurality of mounting boxes (21) are installed to the outer wall of fixed cover (1), rotation axis (19) are all installed through the pivot to the inside one end of mounting box (21), and the one end of rotation axis (19) extends to the outside of mounting box (21) all installs the knob, the inside rotation axis (19) outer wall cover of mounting box (21) is equipped with movable block (23), the outside that mounting box (21) is provided with spacing board (20) and one end (20) are connected with movable plate (20).

2. A drilling pump for oilfield drilling as defined in claim 1, wherein: the check valve pipe (3) comprises a first connecting pipe (31), a check valve joint (32) and a second connecting pipe (33), the second connecting pipe (33) is arranged on the outer wall of the fixed cover (1), the first connecting pipe (31) is arranged at one end of the second connecting pipe (33) through a flange, and the check valve joint (32) is arranged at one end of the first connecting pipe (31) through a flange.

3. A drilling pump for oilfield drilling as defined in claim 1, wherein: the gearbox (10) is installed to one end of install box (8), and driving motor (11) are installed to the input of gearbox (10), the internally mounted who extends to install box (8) of the output of gearbox (10) has disc (7), and installs transfer line (9) through the pivot in one side of disc (7) one end, one end of transfer line (9) is connected with one side of movable block (4) through the articulated elements.

4. A drilling pump for oilfield drilling as defined in claim 1, wherein: the inner wall of fixed cover (1) is fixed with annular baffle (14), one side of fixed lid (2) is fixed with a plurality of stop bars (15), and is provided with solid fixed ring (12) between one side of stop bars (15) and annular baffle (14), gu fixed ring (12) are connected with the outer wall of rubber membrane (18).

5. The drilling pump for oilfield drilling of claim 4, wherein: the inside of solid fixed ring (12) transversely runs through has a plurality of spacing holes (13), a plurality of locating holes (16) have been seted up to one side of annular baffle (14), one side of resisting pole (15) all is fixed with reference column (17), and the one end of reference column (17) all runs through in the inside of spacing hole (13) and extends to the inside of locating hole (16), the embedding has annular seal between one side of solid fixed ring (12) and annular baffle (14).

6. A drilling pump for oilfield drilling as defined in claim 1, wherein: one end of the outer wall of the connecting rod (5) is fixed with a fixed tray (25), one side of the rubber film (18) is provided with a movable tray (24), one end of the connecting rod (5) is provided with a threaded hole, and one end of the movable tray (24) is fixed with a threaded rod matched with the threaded hole.

7. A drilling pump for oilfield drilling as defined in claim 1, wherein: the outer wall of the rotating shaft (19) is provided with external threads, the inner wall of the moving block (23) is provided with internal threads matched with the external threads, and the connecting mode between the moving block (23) and the mounting box (21) is sliding connection.