CN216991723U

CN216991723U - Oil recovery centrifugal pump seal cover dismounting device

Info

Publication number: CN216991723U
Application number: CN202220724034.5U
Authority: CN
Inventors: 闫民力; 霍国栋; 刁海胜; 闫澎思; 熊小伟; 罗凌燕; 耿炜; 谢敏; 王云梅; 郝伟伟
Original assignee: Petrochina Co Ltd
Current assignee: Petrochina Co Ltd
Priority date: 2022-03-30
Filing date: 2022-03-30
Publication date: 2022-07-19
Anticipated expiration: 2032-03-30

Abstract

The utility model relates to the technical field of equipment maintenance tool research and development, and particularly discloses a seal sleeve dismounting device of an oil extraction centrifugal pump, which comprises: a U-shaped fixing frame and two lifting frames; a first threaded rod is arranged in the middle of a cross rod of the U-shaped fixing frame; two erects all weld on the lateral wall that is close to one end each other has two links, and the solid fixed ring in one end fixedly connected with left side of two links of one side erector, the solid fixed ring in one end fixedly connected with right side of two links of one side erector in addition, the solid fixed ring in left side is close to fixedly connected with fixture block on the solid fixed ring in one end lateral wall in right side, and the solid fixed ring in right side has seted up the draw-in groove on the solid fixed ring in one end lateral wall in left side is close to. According to the utility model, the clamping block on the left fixing ring is clamped with the clamping groove on the right fixing ring, meanwhile, the abutting pads on the left fixing ring and the right fixing ring wrap the outer wall of the seal sleeve body, and the first threaded rod is rotated to simultaneously pull the left fixing ring and the right fixing ring downwards, so that the seal sleeve body is quickly and safely disassembled, and the work efficiency is improved.

Description

Oil recovery centrifugal pump seal cover dismounting device

Technical Field

The utility model relates to the technical field of research and development of equipment maintenance tools, in particular to a device for detaching a sealing sleeve of an oil extraction centrifugal pump.

Background

Mechanical seal cover suffers damage easily during the transportation among the prior art, often needs to change the seal cover, does not set up special dismounting device at present, all is that bare-handed extracts the seal cover a bit, not only dismantles inefficiency, and is unstable when drawing moreover, easily causes the cracked problem of pull rod.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a device for detaching a sealing sleeve of an oil extraction centrifugal pump, which aims to solve the technical problems that a mechanical sealing sleeve detaching tool in the prior art is low in detaching efficiency and is unstable in pulling, so that a pulling rod is easy to break.

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

the utility model provides a seal sleeve dismounting device of an oil extraction centrifugal pump, which comprises: a U-shaped fixing frame and two lifting frames; a first threaded rod is arranged in the middle of a cross rod of the U-shaped fixing frame; two all the welding has two links on the crane lateral wall that is close to one end each other, and the solid fixed ring in one end fixedly connected with left side of two links of one side crane, the solid fixed ring in the one end fixedly connected with right side of two links of one side crane in addition, the solid fixed ring in a left side is close to the solid fixed ring in the one end lateral wall of the right side and goes up the fixedly connected with fixture block, the solid fixed ring in the right side is close to and has seted up the draw-in groove on the solid fixed ring in the one end lateral wall of the left side.

Furthermore, the middle part of the cross rod of the U-shaped fixing frame is in interference fit with a threaded sleeve, and the first threaded rod is in threaded connection in the threaded sleeve.

Furthermore, one end of the first threaded rod is fixedly connected with a first knob, the other end of the first threaded rod is in interference fit with a fixed bearing, and a fixed block is arranged on the outer wall of the fixed bearing in interference fit.

Furthermore, a sliding groove is symmetrically formed in the vertical rods on the two sides of the U-shaped fixing frame in the left-right direction, and a second threaded rod is connected to each sliding groove in a sliding mode.

Furthermore, the two ends of the fixing block are in threaded connection with one ends of the two second threaded rods, the other ends of the two second threaded rods penetrate through the corresponding lifting frames, and the two second threaded rods are fixedly connected with second knobs.

Further, the lifting frame is rotatably connected with the second threaded rod.

Further, the fixed ring in a left side all is half circular ring structure with the fixed ring in the right side, and the shape size of the fixed ring in a left side is the same with the fixed ring in the right side.

Furthermore, a plurality of abutting pads are glued on the inner walls of the two left fixing rings and the two right fixing rings; the abutting pad is in contact connection with the outer wall of the sealing sleeve body.

Furthermore, the fixture block is of an arc-shaped structure, the fixture block is clamped with the clamping groove, and the shape and the size of the fixture block are matched with the clamping groove.

Furthermore, the right fixing ring and the clamping block are both provided with limiting locking screw holes, locking bolts are connected in the locking screw holes in a threaded mode, and locking nuts are connected on the locking bolts in a threaded mode.

The utility model has at least the following beneficial effects:

1. according to the sealing sleeve, the clamping block on the left fixing ring is clamped with the clamping groove on the right fixing ring, meanwhile, the abutting pads on the left fixing ring and the right fixing ring wrap the outer wall of the sealing sleeve body, and the first threaded rod is rotated to enable the left fixing ring and the right fixing ring to simultaneously pull the sealing sleeve body downwards, so that the sealing sleeve body is quickly and safely disassembled, and the work efficiency is improved.

2. According to the clamping sleeve, the locking nut, the locking bolt and the locking screw hole are arranged, when the clamping block is clamped in the clamping groove, the locking bolt is inserted into the locking screw hole, the locking nut is in threaded connection with the locking bolt, the clamping block is firmly clamped with the clamping groove, the left fixing ring and the right fixing ring are prevented from falling off from the sealing sleeve body in the drawing process, and the use safety is greatly improved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the utility model, and are included to illustrate an exemplary embodiment of the utility model and not to limit the utility model. In the drawings:

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

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

fig. 3 is an enlarged schematic view of a portion a of fig. 2.

In the figure: 1. a U-shaped fixing frame; 2. a lifting frame; 3. a connecting frame; 4. a seal cartridge body; 5. a propping pad; 6. a left retaining ring; 7. a right securing ring; 8. a first knob; 9. a second knob; 10. a second threaded rod; 11. a first threaded rod; 12. a threaded bushing; 13. a fixed block; 14. fixing the bearing; 15. a chute; 16. locking the bolt; 17. locking the nut; 18. locking the screw hole; 19. a clamping block; 20. a clamping groove.

Detailed Description

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

The following detailed description is exemplary in nature and is intended to provide further details of the utility model. Unless otherwise defined, all technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the utility model.

Example 1

As shown in fig. 1-3, the present invention provides a device for dismounting a seal cartridge of an oil recovery centrifugal pump, comprising: the device comprises a U-shaped fixing frame 1, two lifting frames 2, a connecting frame 3, a tightening pad 5, a left fixing ring 6, a right fixing ring 7, a second threaded rod 10 and a first threaded rod 11; the middle part interference fit of the horizontal pole of U-shaped mount 1 has threaded sleeve 12, threaded connection has first threaded rod 11 among the threaded sleeve 12, the first knob 8 of one end fixedly connected with of first threaded rod 11, the other end interference fit of first threaded rod 11 has fixing bearing 14, interference fit has fixed block 13 on fixing bearing 14's the outer wall, bilateral symmetry has seted up a spout 15 on the montant of U-shaped mount 1 both sides, sliding connection has second threaded rod 10 among every spout 15, second threaded rod 10 runs through spout 15.

The both ends of fixed block 13 and two second threaded rod 10 one end threaded connection, the other end of two second threaded rod 10 runs through and corresponds crane 2 to fixedly connected with second knob 9, crane 2 rotates with second threaded rod 10 and is connected.

Two connecting frames 3 are welded on the side walls of the two adjacent ends of the two lifting frames 2, one end of each of the two connecting frames 3 of one lifting frame 2 is fixedly connected with a left fixing ring 6, and one end of each of the two connecting frames 3 of the other lifting frame 2 is fixedly connected with a right fixing ring 7; the left fixing rings 6 and the right fixing rings 7 are of semicircular annular structures, the left fixing rings 6 and the right fixing rings 7 are identical in shape and size, and a plurality of abutting pads 5 are glued to the inner walls of the two left fixing rings 6 and the two right fixing rings 7; the abutting pad 5 is in contact connection with the outer wall of the sealing sleeve body 4.

The fixed ring 6 in a left side is close to fixedly connected with fixture block 19 on the solid fixed ring 7's in a right side one end lateral wall, and fixture block 19 is the arc structure, has seted up draw-in groove 20 on the solid fixed ring 7 in a right side is close to the solid fixed ring 6 in a left side one end lateral wall, fixture block 19 and draw-in groove 20 joint, fixture block 19's shape size and draw-in groove 20 phase-match.

The right fixing ring 7 and the clamping block 19 are both provided with a limiting locking screw hole 18, a locking bolt 16 is in threaded connection in the locking screw hole 18, and a locking nut 17 is in threaded connection on the locking bolt 16.

Example 2

The use method of the device for detaching the sealing sleeve of the oil extraction centrifugal pump comprises the following steps:

firstly, the device is moved to the position right below a sealing sleeve needing to be disassembled, then a U-shaped fixing frame 1 is fixed, then a second knob 9 is rotated, the second knob 9 enables a second threaded rod 10 to be in threaded connection with the fixing block, the second threaded rod 10 enables two lifting frames 2 to be close to each other, the lifting frames 2 enable a left fixing ring 6 and a right fixing ring 7 to be close to each other, a clamping block 19 is clamped in a clamping groove 20, so that the left fixing ring 6 and the right fixing ring 7 wrap a sealing rubber sleeve body 4, then a locking bolt 16 is inserted into a locking screw hole 18, then a locking nut 17 is in threaded connection with the locking bolt 16 to prevent the left fixing ring 6 and the right fixing ring 7 from falling off from the sealing sleeve body 4, a clamping pad 5 enhances the grabbing force of the left fixing ring 6 and the right fixing ring 7 on the sealing sleeve body 4, then a first knob 8 is rotated, the first knob 8 enables a first threaded rod 11 to rotate in a threaded sleeve 12, first threaded rod 11 moves down, and first threaded rod 11 makes fixed block 13 move down to make second threaded rod 10 move down, second threaded rod 10 makes crane 2 move down, thereby makes solid fixed ring 6 in the left side and solid fixed ring 7 in the right side draw seal cover body 4 down simultaneously, thereby dismantles seal cover body 4 fast safely.

It will be appreciated by those skilled in the art that the utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or are equivalent to the scope of the utility model are intended to be embraced therein.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the utility model without departing from the spirit and scope of the utility model, which is to be covered by the claims.

Claims

1. The utility model provides an oil recovery centrifugal pump seal cover dismounting device which characterized in that includes: a U-shaped fixing frame (1) and two lifting frames (2); a first threaded rod (11) is arranged in the middle of a cross rod of the U-shaped fixing frame (1); two all the welding has two link (3) on crane (2) the lateral wall that is close to one end each other, the solid fixed ring in one end fixedly connected with (6) of two link (3) of one side crane (2), the solid fixed ring in the one end fixedly connected with right side (7) of two link (3) of one side crane (2) in addition, the solid fixed ring in a left side (6) is close to fixedly connected with fixture block (19) on the one end lateral wall of the solid fixed ring in the right side (7), draw-in groove (20) have been seted up on the solid fixed ring in the right side (7) is close to the one end lateral wall of the solid fixed ring in the left side (6).

2. A centrifugal pump gland dismounting device for oil recovery according to claim 1, characterized in that the threaded sleeve (12) is interference fitted in the middle of the cross-bar of the U-shaped fixing bracket (1), and the first threaded rod (11) is connected in the threaded sleeve (12) by screw thread.

3. A dismounting device for a sealing sleeve of a centrifugal pump for oil recovery according to claim 1, characterized in that one end of the first threaded rod (11) is fixedly connected with a first knob (8), the other end of the first threaded rod (11) is in interference fit with a fixed bearing (14), and the outer wall of the fixed bearing (14) is in interference fit with a fixed block (13).

4. A device for dismounting the sealing sleeve of a centrifugal pump for oil recovery according to claim 3, characterized in that the vertical rods at both sides of the U-shaped fixing frame (1) are symmetrically provided with a sliding slot (15) at left and right sides, and each sliding slot (15) is slidably connected with a second threaded rod (10).

5. A centrifugal pump seal boot dismounting device for oil recovery according to claim 4, characterized in that, both ends of the fixed block (13) are in threaded connection with one end of two second threaded rods (10), and the other end of two second threaded rods (10) runs through the corresponding crane (2) and is fixedly connected with a second knob (9).

6. A centrifugal pump seal gland dismounting device for oil recovery according to claim 5, characterized in that the crane (2) is rotatably connected with the second threaded rod (10).

7. The extraction centrifugal pump seal cartridge dismounting device of claim 1, characterized in that, the left fixed ring (6) and the right fixed ring (7) are both semi-circular ring structures, and the shape and size of the left fixed ring (6) and the right fixed ring (7) are the same.

8. A centrifugal pump seal cartridge dismounting device for oil recovery according to claim 6, characterized in that a plurality of resisting pads (5) are glued to the inner walls of the two left fixing rings (6) and the two right fixing rings (7); the abutting pad (5) is in contact connection with the outer wall of the sealing sleeve body (4).

9. The device for dismounting the sealing sleeve of the centrifugal pump for oil recovery according to claim 1, characterized in that the clamping block (19) is of an arc-shaped structure, the clamping block (19) is clamped with the clamping groove (20), and the size and shape of the clamping block (19) are matched with the clamping groove (20).

10. The sealing sleeve dismounting device of the centrifugal pump for oil recovery according to claim 1, characterized in that the right fixing ring (7) and the clamping block (19) are both provided with a limiting locking screw hole (18), a locking bolt (16) is in threaded connection with the locking screw hole (18), and a locking nut (17) is in threaded connection with the locking bolt (16).