CN213419699U

CN213419699U - Sealing device for soot blower bearing box

Info

Publication number: CN213419699U
Application number: CN202022464952.2U
Authority: CN
Inventors: 陈杰
Original assignee: Xinjiang Huadian Hami Thermal Power Co ltd
Current assignee: Xinjiang Huadian Hami Thermal Power Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-06-11
Anticipated expiration: 2030-10-30

Abstract

The utility model discloses a soot blower bearing box sealing device relates to bearing box sealing device technical field, specifically is soot blower bearing box sealing device, including the fixed connection seat, the last fixed surface of fixed connection seat is connected with the bearing box, and the both sides that the upper surface of fixed connection seat is located the bearing box are equipped with the bolt through-hole, and the top fixedly connected with oil inlet of bearing box, the upper surface of bearing box are located the small-size oil pump of one side fixedly connected with of oil inlet, and the internal surface of bearing box passes through bolt fixedly connected with bearing mount pad, fixedly connected with rolling bearing on the bearing mount pad. This soot blower bearing box sealing device sets up through the cooperation of sealing connection mechanism and sealing mechanism, makes the connection between end cover and the bearing box body need not through the bolt fastening at the in-process that uses to guaranteed the holistic leakproofness of end cover and bearing box body after being connected.

Description

Sealing device for soot blower bearing box

Technical Field

The utility model relates to a bearing box sealing device technical field specifically is soot blower bearing box sealing device.

Background

The bearing box is a box part which plays a role in supporting and lubricating the bearing, is also called a twisting box and is a box part which plays a role in supporting and lubricating the bearing. At the same time, bear the axial and radial forces generated by the device during operation. In devices having rotating shafts, the shafts are typically supported for rotation by bearings, which are mounted in bearing housings filled with lubricating oil and lubricated during operation by the bearings. Meanwhile, various forces applied to the shaft during working can be transmitted to the bearing box and are borne by the bearing box. The bearing housing is typically made of cast iron or cast steel.

The existing bearing box is sealed by the end covers on two sides of the bearing box and the inner oil slinger, although the sealing effect of the oil slinger is good, the connection between the end covers and the bearing box body is mostly connected by bolts, dust is easy to enter in the long-time use process, and the oil slinger is not easy to detach and replace when the elements in the bearing box body go wrong.

To sum up, current bearing box end cover sealing effect is not good to the dismouting is complicated to consume time during the maintenance, and the device that dust impurity got rid of in the lubricating oil is not had in the current bearing box in addition, uses and need open the bearing box and change lubricating oil, and not only wastes time and energy and has still reduced the leakproofness of bearing box.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a soot blower bearing housing sealing device has solved the problem of proposing among the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the sealing device for the bearing box of the soot blower comprises a fixed connecting seat, wherein the upper surface of the fixed connecting seat is fixedly connected with a bearing box body, bolt through holes are formed in the two sides, located on the bearing box body, of the upper surface of the fixed connecting seat, an oil inlet is fixedly connected to the top of the bearing box body, a small oil pump is fixedly connected to one side, located on the oil inlet, of the upper surface of the bearing box body, a bearing mounting seat is fixedly connected to the inner surface of the bearing box body through bolts, a rotating bearing is fixedly connected onto the bearing mounting seat, a sealing mechanism is arranged on one side, located on the bearing mounting seat, of the inner surface of the bearing box body, sealing end covers are abutted to the two ends of the bearing box body, oil retaining rings are arranged on the side surfaces of the sealing end covers, a sealing connection mechanism is arranged on the side, and a dismounting mechanism is arranged on one side of the sealing rubber soft plate in the unlocking hole.

Optionally, an oil pumping pipe is inserted into one end of the small oil pump, an oil conveying pipe is inserted into the other end of the small oil pump, the oil pumping pipe and one end of the oil conveying pipe are inserted into the bearing box, and a filter box is arranged on the oil conveying pipe.

Optionally, the sealing mechanism comprises an installation baffle ring, the installation baffle ring is fixedly connected to the inner surface of the bearing box body, a sealing spring is fixedly connected to the side surface of the installation baffle ring, and a sealing top plate is fixedly connected to the other end of the sealing spring.

Optionally, the sealing end cover is in a step shape, one end of the sealing end cover with a relatively small size is inserted into the side face of the bearing box body, and the sealing connection mechanism is located on the side face of the end of the sealing end cover with the relatively small size.

Optionally, the sealing connection mechanism includes a sealing installation groove, an inner surface of the sealing installation groove is fixedly connected with a return spring, the other end of the return spring is fixedly connected with a sealing locking block, and the position of the sealing locking block corresponds to the position of the unlocking hole.

Optionally, the disassembly body includes spring mounting panel, spring mounting panel's side fixedly connected with compression spring, push pedal in compression spring's the other end fixedly connected with, it has interior push rod to peg graft in the compression spring, the side of push pedal including the one end fixed connection of interior push rod, the side of the butt at the sealed rubber soft board is fixed to the other end of interior push rod.

(III) advantageous effects

The utility model provides a soot blower bearing box sealing device possesses following beneficial effect:

1. this soot blower bearing box sealing device sets up through sealing connection mechanism and sealing mechanism's cooperation, makes being connected between end cover and the bearing box body need not through the bolt fastening at the in-process that uses, and has guaranteed end cover and bearing box body holistic leakproofness after being connected, and the dust takes place along the condition that the junction gap got into in the bearing box body in having avoided traditional connected mode, has improved the leakproofness of bearing box body, has guaranteed the result of use.

2. This soot blower bearing box sealing device, cooperation through small-size oil pump and rose box sets up, can carry out the loop filter to the lubricating oil in the bearing box at the in-process that uses, avoids the dust in the lubricating oil in the bearing box to pile up to need frequently to open end cover and carry out the bulk change to lubricating oil in having avoided the use, only need regularly through the oil inlet add lubricating oil can, avoided the bearing box frequently to be opened, improved the leakproofness of bearing box.

Drawings

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

FIG. 2 is a schematic structural diagram of the bearing housing of the present invention;

fig. 3 is a schematic structural view of the sealing end cap of the present invention;

fig. 4 is a schematic structural diagram of the bearing housing of the present invention in a top view.

In the figure: 1. fixing the connecting seat; 2. a bearing housing; 3. a bolt through hole; 4. an oil inlet; 5. a small-sized oil pump; 6. a bearing mount; 7. a rotating bearing; 8. a sealing mechanism; 801. installing a baffle ring; 802. a seal spring; 803. sealing the top plate; 9. sealing the end cap; 10. an oil slinger; 11. a sealing connection mechanism; 1101. sealing the mounting groove; 1102. a return spring; 1103. sealing the locking block; 12. unlocking the hole; 13. sealing the rubber soft board; 14. a disassembly mechanism; 1401. a spring mounting plate; 1402. a compression spring; 1403. an inner push plate; 1404. an inner push rod; 15. an oil pumping pipe; 16. an oil delivery pipe; 17. a filter box.

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.

Referring to fig. 1 to 4, the present invention provides a technical solution: soot blower bearing box sealing device, including fixed connection seat 1, the last fixed surface of fixed connection seat 1 is connected with bearing box 2, the upper surface of fixed connection seat 1 is located the both sides of bearing box 2 and is equipped with bolt through-hole 3, the top fixedly connected with oil inlet 4 of bearing box 2, one side fixedly connected with small-size oil pump 5 that the upper surface of bearing box 2 is located oil inlet 4, the one end of small-size oil pump 5 is pegged graft and is had oil pumping pipe 15, the other end of small-size oil pump 5 is pegged graft and is had oil pipeline 16, the oil pumping pipe 15 is pegged graft inside bearing box 2 with the one end of oil pipeline 16, be equipped with rose box 17 on oil pipeline 16, this soot blower bearing box sealing device, through the cooperation setting of small-size oil pump 5 and rose box 17, can carry out the circulation filtration to the lubricating oil in the bearing box 2 in the use, avoid piling up, therefore, the situation that the sealing end cover 9 needs to be frequently opened to integrally replace lubricating oil in the use process is avoided, only the lubricating oil needs to be added through the oil inlet 4 regularly, the bearing box body 2 is prevented from being frequently opened, the sealing performance of the bearing box body 2 is improved, the inner surface of the bearing box body 2 is fixedly connected with the bearing mounting seat 6 through bolts, the rotating bearing 7 is fixedly connected onto the bearing mounting seat 6, the sealing mechanism 8 is arranged on one side, located on the bearing mounting seat 6, of the inner surface of the bearing box body 2 and comprises a mounting baffle ring 801, the mounting baffle ring 801 is fixedly connected onto the inner surface of the bearing box body 2, the sealing spring 802 is fixedly connected onto the side surface of the mounting baffle ring 801, the sealing top plate 803 is fixedly connected onto the other end of the sealing spring 802, the sealing end cover 9 is abutted against the two ends of the bearing box body 2, the sealing end cover 9 is in, the sealing connection mechanism 11 is positioned on the side of the end with the relatively small size of the sealing end cover 9, the oil baffle ring 10 is arranged on the side of the sealing end cover 9, the sealing connection mechanism 11 comprises a sealing installation groove 1101, a return spring 1102 is fixedly connected to the inner surface of the sealing installation groove 1101, a sealing locking block 1103 is fixedly connected to the other end of the return spring 1102, the position of the sealing locking block 1103 corresponds to the position of the unlocking hole 12, the soot blower bearing box sealing device ensures the whole sealing performance of the connection between the sealing end cover 9 and the bearing box body 2 after the connection between the sealing end cover 9 and the bearing box body 2 through the matching arrangement of the sealing connection mechanism 11 and the sealing mechanism 8, and avoids the occurrence of the situation that dust enters the bearing box body 2 along the gap at the connection part in the traditional connection mode, the leakproofness of the bearing box body 2 is improved, the use effect is guaranteed, the side of the bearing box body 2 is provided with the unlocking hole 12, the soft sealing rubber plate 13 is fixedly connected in the unlocking hole 12, the dismounting mechanism 14 is arranged on one side of the soft sealing rubber plate 13 in the unlocking hole 12, the dismounting mechanism 14 comprises a spring mounting plate 1401, the side fixedly connected with compression spring 1402 of the spring mounting plate 1401, the push plate 1403 is fixedly connected to the other end of the compression spring 1402, the inner push rod 1404 is inserted in the compression spring 1402, the side of the push plate 1403 is fixedly connected to one end of the inner push rod 1404, and the other end of the inner push rod 1404 is fixedly abutted to the side of the soft sealing rubber plate 13.

When the rotating bearing is used, the rotating bearing 7 is fixedly connected on the bearing mounting seat 6, the step ends of the sealing end covers 9 at two sides are inserted into the bearing box body 2, the sealing locking block 1103 is pushed into the unlocking hole 12 under the thrust action of the return spring 1102 after being completely inserted, so that the sealing end covers 9 are connected with the bearing box body 2, one end of each sealing end cover 9 abuts against the side surface of the corresponding sealing top plate 803, the sealing top plates 803 are pushed to compress the sealing springs 802, the sealing top plates 803 are more tightly abutted against one ends of the sealing end covers 9, dust is prevented from entering the sealing end covers 9, the lubricating oil in the bearing box body 2 is pumped out by the small and medium-sized oil pump 5 through the oil pumping pipe 15 in the use process and is input into the bearing box body 2 again through the oil conveying pipe 16, when the lubricating oil passes through the filter box 17 on the oil conveying pipe 16, the dust in the lubricating oil can, when the component in the bearing box 2 goes wrong, the sealing rubber soft plate 13 is pressed to drive the inner push rod 1404 to drive the inner push plate 1403 to be pushed inwards, so that the sealing lock block 1103 is pushed out of the unlocking hole 12, the sealing end cover 9 can be rapidly detached, and the maintenance is more convenient.

The utility model discloses a theory of operation and beneficial effect: the sealing device for the bearing box of the soot blower is characterized in that the sealing connection mechanism 11 and the sealing mechanism 8 are arranged in a matched manner, so that the sealing end cover 9 is connected with the bearing box body 2 without being fixed through bolts in the using process, the integral sealing performance of the sealing end cover 9 and the bearing box body 2 after being connected is ensured, the condition that dust enters the bearing box body 2 along a joint gap in the traditional connection mode is avoided, the sealing performance of the bearing box body 2 is improved, the using effect is ensured, the sealing device for the bearing box of the soot blower can circularly filter the lubricating oil in the bearing box body 2 in the using process through the matched arrangement of the small-sized oil pump 5 and the filter box 17, the dust accumulation in the lubricating oil in the bearing box body 2 is avoided, the sealing end cover 9 is prevented from being frequently opened to integrally replace the lubricating oil in the using process, and only the lubricating oil needs to be periodically added through the oil inlet 4, the bearing box body 2 is prevented from being frequently opened, and the sealing performance of the bearing box body 2 is improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Soot blower bearing housing sealing device, including fixed connection seat (1), its characterized in that: the bearing box body (2) is fixedly connected to the upper surface of the fixed connection seat (1), bolt through holes (3) are formed in the two sides, located on the bearing box body (2), of the upper surface of the fixed connection seat (1), an oil inlet (4) is fixedly connected to the top of the bearing box body (2), a small oil pump (5) is fixedly connected to one side, located on the oil inlet (4), of the upper surface of the bearing box body (2), a bearing installation seat (6) is fixedly connected to the inner surface of the bearing box body (2) through bolts, a rotating bearing (7) is fixedly connected to the bearing installation seat (6), a sealing mechanism (8) is arranged on one side, located on the bearing installation seat (6), of the inner surface of the bearing box body (2), sealing end covers (9) are abutted to the two ends of the bearing box body (2), and oil baffle rings (10) are arranged, the side of end cover (9) is equipped with sealing connection mechanism (11), the side of bearing box (2) is equipped with the unlocking hole (12), fixedly connected with sealing rubber soft board (13) in unlocking hole (12), the one side that is located sealing rubber soft board (13) in unlocking hole (12) is equipped with disassembly body (14).

2. The sootblower bearing housing seal arrangement of claim 1, wherein: oil extraction pipe (15) are inserted into one end of small oil pump (5), oil delivery pipe (16) are inserted into the other end of small oil pump (5), oil extraction pipe (15) and one end of oil delivery pipe (16) are inserted into the inside of bearing box body (2), and oil delivery pipe (16) is provided with filter box (17).

3. The sootblower bearing housing seal arrangement of claim 1, wherein: sealing mechanism (8) keep off ring (801) including the installation, installation keeps off ring (801) fixed connection at the internal surface of bearing box (2), the side fixedly connected with sealing spring (802) of installation fender ring (801), sealing spring's (802) other end fixedly connected with seals roof (803).

4. The sootblower bearing housing seal arrangement of claim 1, wherein: the sealing end cover (9) is in a step shape, one end, with the relatively small size, of the sealing end cover (9) is inserted into the side face of the bearing box body (2), and the sealing connection mechanism (11) is located on the side face of one end, with the relatively small size, of the sealing end cover (9).

5. The sootblower bearing housing seal arrangement of claim 4, wherein: the sealing connection mechanism (11) comprises a sealing installation groove (1101), a return spring (1102) is fixedly connected to the inner surface of the sealing installation groove (1101), a sealing locking block (1103) is fixedly connected to the other end of the return spring (1102), and the position of the sealing locking block (1103) corresponds to the position of the unlocking hole (12).

6. The sootblower bearing housing seal arrangement of claim 1, wherein: the disassembling mechanism (14) comprises a spring mounting plate (1401), a compression spring (1402) is fixedly connected to the side face of the spring mounting plate (1401), an inner push plate (1403) is fixedly connected to the other end of the compression spring (1402), an inner push rod (1404) is inserted into the compression spring (1402), one end of the inner push rod (1404) is fixedly connected to the side face of the inner push plate (1403), and the other end of the inner push rod (1404) is fixedly abutted to the side face of the sealing rubber soft plate (13).