CN213145348U

CN213145348U - Novel top drive bearing isolator device

Info

Publication number: CN213145348U
Application number: CN202021956989.0U
Authority: CN
Inventors: 南晓辉
Original assignee: Gulf Rec Petroleum Engineering Tianjin Co ltd
Current assignee: Gulf Rec Petroleum Engineering Tianjin Co ltd
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-05-07
Anticipated expiration: 2030-09-09

Abstract

The utility model discloses a novel top drive bearing isolator device, in particular to the field of bearing isolators, which comprises a bearing box, wherein an output shaft runs through the inner side of the bearing box, and the bearing isolator is sleeved on the output shaft; the bearing isolator comprises a static ring, the static ring is arranged on the inner side of a bearing box, a movable ring is arranged on the inner side of the static ring, the movable ring is sleeved on an output shaft, and a reinforcing sealing assembly is fixedly arranged on one side of the movable ring, which is far away from the static ring; the reinforcing sealing assembly comprises two semicircular sleeves. The utility model discloses a semicircle cover is tight on the output shaft to the sealed pad of extrusion rubber, thereby make the sealed pad side of rubber paste tight rotating ring one side, and then increase the sealed effect between rotating ring and the output shaft, avoided the emergence of the weeping condition, and through two semicircle cover cramp output shafts, make the holistic fixed effect of installation of bearing isolator better, improved the stability of during operation.

Description

Novel top drive bearing isolator device

Technical Field

The utility model relates to a bearing isolator technical field, more specifically say, the utility model relates to a novel bearing isolator is driven on top device.

Background

The bearing isolator is a permanent bearing protector, it contains a rotating ring and a quiet ring, two parts combine into an organic whole, therefore in service both can not separate, the rotating ring rotates along with the axle, quiet ring is pressed into the bearing box and is fixed, rotating ring and quiet ring are mutually supported, prevent external impurity to get into the bearing box, and prevent that the lubricated medium from leaking, the best performance bearing isolator is made by metal, usually copper, has combined the vapor prevention function, prevent that external vapor from getting into the bearing box when equipment shuts down the cooling.

The top drive bearing isolator in the prior art still has some problems when using, for example when installing the bearing isolator, because the rotating ring of bearing isolator need overlap on the output shaft, consequently, the internal diameter of general rotating ring sets up and slightly is greater than the output shaft external diameter for there is certain clearance between rotating ring and the output shaft, then the condition of oil leak is likely to take place.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a novel bearing isolator is driven on top device, tightly on the output shaft through the semicircle ways, and extrude the rubber packing pad, thereby make the tight rotating ring one side of rubber packing pad side subsides, and then increase the sealed effect between rotating ring and the output shaft, make fluid in the bearing box can not flow through the clearance between rotating ring and the output shaft, the emergence of the weeping condition has been avoided, and press from both sides tight output shaft through two semicircle ways, fixed effect between rotating ring and the output shaft has been increased, make the holistic installation fixed effect of bearing isolator better, the stability of during operation has been improved, in order to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a novel top drive bearing isolator device comprises a bearing box, wherein an output shaft penetrates through the inner side of the bearing box, and a bearing isolator is sleeved on the output shaft; the bearing isolator comprises a static ring, the static ring is arranged on the inner side of a bearing box, a movable ring is arranged on the inner side of the static ring, the movable ring is sleeved on an output shaft, and a reinforcing sealing assembly is fixedly arranged on one side of the movable ring, which is far away from the static ring; consolidate seal assembly and include the semicircle cover, the semicircle cover sets up to two, the semicircle cover cup joints on the output shaft, the inboard fixed rubber packing pad that is equipped with of semicircle cover, the fixed bearing that is equipped with in semicircle cover outside, the inboard montant that runs through of bearing is equipped with, the montant is kept away from bearing one end welding and is had the screw rod, the nut has been cup jointed on the screw rod, the fixed spliced pole that is equipped with in nut one side, the spliced pole welds in rotating ring one side, the fixed movable plate that dials of screw rod one end.

In a preferred embodiment, a limiting block is fixedly arranged on one side, away from the static ring, of the dynamic ring, and a limiting groove is formed in one side, away from the dynamic ring, of the limiting block.

In a preferred embodiment, a connecting rod is fixedly arranged on the outer side of the semicircular sleeve, a limiting rod is fixedly arranged on the connecting rod, and one end of the limiting rod is arranged in the limiting groove.

In a preferred embodiment, a locking screw penetrates through the outer side of the bearing.

In a preferred embodiment, the toggle plate is provided with a through groove.

In a preferred embodiment, one of the semicircular sleeves is arranged at the top of the output shaft and the other semicircular sleeve is arranged at the bottom of the output shaft.

The utility model discloses a technological effect and advantage:

1. the output shaft is tightly sleeved with the semicircular sleeves, the rubber sealing gasket is extruded, so that the side face of the rubber sealing gasket is tightly attached to one side of the movable ring, the sealing effect between the movable ring and the output shaft is further improved, oil in the bearing box cannot flow out through a gap between the movable ring and the output shaft, the liquid leakage condition is avoided, the output shaft is clamped by the two semicircular sleeves, the fixing effect between the movable ring and the output shaft is improved, the integral installation and fixing effect of the bearing isolator is better, the stability in working is improved, compared with the prior art, the sealing property is improved, the liquid leakage condition is avoided, and the stability in working is improved;

2. make locking screw one end support tight montant through twisting locking screw, and then lock the montant, make the montant no longer rotate, avoided screw rod and montant to rotate and lead to the not hard up condition of semicircle cover to take place in the course of the work, the stability of during operation has further been improved, through having seted up logical groove on stirring the board, the weight and the windage of stirring the board have been reduced, the too big resistance when increasing the output shaft rotation of stirring board weight and windage has been avoided, the condition of consumption increase has been avoided, compared with the prior art, the stability of during operation has further been improved.

Drawings

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

FIG. 2 is an enlarged view of the portion A of FIG. 1;

fig. 3 is a schematic view of the three-dimensional structure of the semicircular sleeve of the present invention.

The reference signs are: 1. a bearing housing; 2. an output shaft; 3. a bearing isolator; 4. a stationary ring; 5. a moving ring; 6. reinforcing the sealing assembly; 7. a semicircular sleeve; 8. a rubber gasket; 9. a bearing; 10. a vertical rod; 11. a screw; 12. a nut; 13. connecting columns; 14. a poking plate; 15. a limiting block; 16. a limiting groove; 17. a connecting rod; 18. a limiting rod; 19. locking screws; 20. a through groove.

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.

The novel top drive bearing isolator device shown in the attached figures 1-3 comprises a bearing box 1, wherein an output shaft 2 penetrates through the inner side of the bearing box 1, and a bearing isolator 3 is sleeved on the output shaft 2; the bearing isolator 3 comprises a static ring 4, the static ring 4 is arranged on the inner side of the bearing box 1, a dynamic ring 5 is arranged on the inner side of the static ring 4, the dynamic ring 5 is sleeved on the output shaft 2, and a reinforcing sealing assembly 6 is fixedly arranged on one side, away from the static ring 4, of the dynamic ring 5; consolidate seal assembly 6 and include semicircle cover 7, semicircle cover 7 sets up to two, semicircle cover 7 cup joints on

output shaft

2, 7 inboard fixed rubber packing pad 8 that are equipped with of semicircle cover, 7 outside fixed bearings 9 that are equipped with of semicircle cover, 9 inboard runs through and is equipped with montant 10 of bearing, 9 one end welding of bearing has screw rod 11 is kept away from to montant 10, the nut 12 has been cup jointed on

screw rod

11, 12 one side of nut is fixed and is equipped with spliced pole 13, spliced pole 13 welds in 5 one sides of rotating ring, 11 one end of screw rod is fixed and is equipped with dials movable plate 14.

Furthermore, the movable ring 5 is fixedly provided with a limiting block 15 at one side far away from the stationary ring 4, and a limiting groove 16 is formed at one side far away from the movable ring 5 of the limiting block 15, so that the semicircular sleeve 7 is limited.

Further, a connecting rod 17 is fixedly arranged on the outer side of the semicircular sleeve 7, a limiting rod 18 is fixedly arranged on the connecting rod 17, and one end of the limiting rod 18 is arranged in the limiting groove 16, so that the semicircular sleeve 7 is limited.

Furthermore, a locking screw 19 is arranged outside the bearing 9 in a penetrating manner so as to lock the vertical rod 10.

Further, the toggle plate 14 is provided with a through slot 20 to reduce the weight and wind resistance of the toggle plate 14.

Further, a semicircle sleeve 7 is arranged at the top of the output shaft 2, and another semicircle sleeve 7 is arranged at the bottom of the output shaft 2, so that the two semicircle sleeves 7 are matched to form a complete ring body to be coated on the output shaft 2.

The utility model discloses the theory of operation: when the bearing isolator is used, the bearing isolator 3 is sleeved on the output shaft 2 and then slides towards the bearing box 1 until the static ring 4 on the bearing isolator 3 is clamped into the inner side of the bearing box 1, the poking plate 14 is then poked to drive the screw rod 11 on the poking plate to rotate, so that the screw rod 11 moves towards the direction close to the output shaft 2 relative to the nut 12, the nut 12 moves to push the vertical rod 10 to move, and further push the semicircular sleeve 7 to move, the semicircular sleeve 7 is tightly sleeved on the output shaft 2, and when the semicircular sleeve 7 is tightly sleeved on the output shaft 2, the rubber sealing gasket 8 is extruded, so that the side surface of the rubber sealing gasket 8 is tightly attached to one side of the dynamic ring 5, and further the sealing effect between the dynamic ring 5 and the output shaft 2 is increased, oil in the bearing box 1 cannot flow out through the gap between the dynamic ring 5 and the output shaft 2, the sealing effect is increased, the occurrence of liquid leakage is avoided, the fixed effect between rotating ring 5 and output shaft 2 has been increased, make the holistic installation fixed effect of bearing isolator 3 better, the stability of during operation has been improved, set up locking screw 19 through running through in bearing 9 one side, make locking screw 19 one end support tight montant 10 through twisting locking screw 19, and then lock montant 10, make montant 10 no longer rotate, screw rod 11 and montant 10 have been avoided rotating and lead to the not hard up condition of semicircle cover 7 to take place in the course of the work, the stability of during operation has further been improved, through seted up logical groove 20 on stirring board 14, the weight and the windage of stirring board 14 have been reduced, the too big resistance when increasing output shaft 2 and rotating of stirring board 14 weight and windage has been avoided, the condition that the consumption increases has been avoided.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a novel top drive bearing isolator device, includes bearing box (1), its characterized in that: an output shaft (2) penetrates through the inner side of the bearing box (1), and a bearing isolator (3) is sleeved on the output shaft (2); the bearing isolator (3) comprises a static ring (4), the static ring (4) is arranged on the inner side of the bearing box (1), a movable ring (5) is arranged on the inner side of the static ring (4), the movable ring (5) is sleeved on the output shaft (2), and a reinforcing sealing assembly (6) is fixedly arranged on one side, far away from the static ring (4), of the movable ring (5); consolidate seal assembly (6) and include semicircle cover (7), semicircle cover (7) set up to two, semicircle cover (7) cup joint on output shaft (2), semicircle cover (7) inboard is fixed and is equipped with rubber packing pad (8), the fixed bearing (9) that is equipped with in semicircle cover (7) outside, bearing (9) inboard is run through and is equipped with montant (10), montant (10) are kept away from bearing (9) one end welding and are had screw rod (11), nut (12) have been cup jointed on screw rod (11), nut (12) one side is fixed and is equipped with spliced pole (13), spliced pole (13) weld in rotating ring (5) one side, screw rod (11) one end is fixed and is equipped with dials movable plate (14).

2. The novel top drive bearing isolator device of claim 1, wherein: the movable ring (5) is far away from one side of the static ring (4) and is fixedly provided with a limiting block (15), and one side of the limiting block (15) far away from the movable ring (5) is provided with a limiting groove (16).

3. The novel top drive bearing isolator device of claim 2, wherein: the semicircular sleeve (7) is fixedly provided with a connecting rod (17) on the outer side, a limiting rod (18) is fixedly arranged on the connecting rod (17), and one end of the limiting rod (18) is arranged in a limiting groove (16).

4. The novel top drive bearing isolator device of claim 1, wherein: and a locking screw (19) penetrates through the outer side of the bearing (9).

5. The novel top drive bearing isolator device of claim 1, wherein: the poking plate (14) is provided with a through groove (20).

6. The novel top drive bearing isolator device of claim 1, wherein: one semicircular sleeve (7) is arranged at the top of the output shaft (2), and the other semicircular sleeve (7) is arranged at the bottom of the output shaft (2).