CN210509948U

CN210509948U - Tilting pad bearing

Info

Publication number: CN210509948U
Application number: CN201920880324.7U
Authority: CN
Inventors: 薛山; 周健; 章国良
Original assignee: Suzhou Hufu New Material Technology Co ltd
Current assignee: Suzhou Hufu New Material Technology Co ltd
Priority date: 2019-06-12
Filing date: 2019-06-12
Publication date: 2020-05-12
Anticipated expiration: 2029-06-12

Abstract

The utility model is suitable for a bearing technical field provides a tilting pad bearing, including bearing housing, tile and shell lid, the inner wall of bearing housing has seted up the slot, the surface of bearing housing sets up the draw-in groove of L shape, the outside of tile is provided with the cutting, and the inside wall of bearing housing is pegged graft and is had a plurality of the tile, and each leave the clearance between the tile; insert the slot of bearing housing from the top down with the tile, install from horizontal direction tile and bearing groove fixed, the L shape draw-in groove that spout and bearing housing lateral wall seted up on the tile inside wall were seted up afterwards, the lug of cooperation shell lid annular inside wall is aimed at and is inserted, rotatory joint, it fixes to it from fore-and-aft direction with tile and bearing housing, avoid breaking away from between the two, this kind of mode installation is simple, and combination between the two is also firm with tile and bearing housing, do not influence its original function and use.

Description

Tilting pad bearing

Technical Field

The utility model belongs to the technical field of the bearing, especially, relate to a tilting pad bearing.

Background

The tilting pad bearing for high-speed rotating machine set is generally composed of several pad blocks, on the pad blocks an arc pad back eccentric to rotating shaft is set, so that it can be in line contact with bearing shell body, therefore the pad blocks can be swung in circumferential direction, and the wedge angle formed with shaft neck surface can be changed, so that it can adapt to different working conditions.

The existing tilting pad bearing is inconvenient to disassemble due to the complex structure, and the pads and the bearing seat of the existing tilting pad bearing are integrally processed, so that when one pad is damaged, the whole tilting pad bearing needs to be replaced, and unnecessary replacement and maintenance cost is caused.

SUMMERY OF THE UTILITY MODEL

The utility model provides a tilting pad bearing aims at solving present tilting pad bearing and because of its structure is more complicated, dismantles inconveniently, and some tilting pad bearing's pad and bearing frame are whole processing simultaneously and form, when one of them pad damaged, then need to change whole tilting pad bearing, cause the problem of unnecessary change maintenance cost.

The utility model discloses a realize like this, a tilting pad bearing, including bearing housing, tile and outer shell lid, the slot has been seted up to the inner wall of bearing housing, the draw-in groove of L shape is seted up to the surface of bearing housing, the outside of tile is provided with the cutting, just it is a plurality of to peg graft to the inside wall of bearing housing the tile, and each leave the clearance between the tile, the spout has been seted up to the inside wall of tile, outer shell lid sets up to the ring form and covers fit the bearing housing with the both ends of tile, the annular has been seted up to outer shell lid's inside, just the inside of annular is provided with the lug.

Preferably, the protruding blocks are arranged in two rows and are respectively positioned on the left inner side wall and the right inner side wall of the annular groove, and the two rows of protruding blocks are respectively inserted into the clamping grooves and the gaps.

Preferably, the insertion end of the clamping groove is flush with the gap, and the two rows of the bumps are aligned with each other.

Preferably, the sliding groove is communicated with the gap, and the projection is connected to the inside of the sliding groove in a sliding manner.

Preferably, the bearing shell and the tile are provided with stepped protruding portions at both ends thereof, and the shell cover is provided with two protruding portions respectively located at both ends thereof.

Preferably, the insert strips of the tiles are matched with the slots, and the cross sections of the insert strips are arranged to be inverted trapezoids.

Preferably, the tile is arc-shaped, and the back surface of the tile is attached to the inner wall of the bearing shell.

Preferably, the tile is internally provided with a shaft hole, and the shaft hole axially penetrates through the tile.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a tilting pad bearing, set up the slot through the inner wall at the bearing housing, the back of tile sets up the cutting, insert the slot of bearing housing from the top down with the tile, install tile and bearing groove fixedly from horizontal direction, the L shape draw-in groove that spout and bearing housing lateral wall seted up on the tile inside wall afterwards, the lug of cooperation shell cover annular inside wall is aimed at and is inserted, rotatory joint, fix tile and bearing housing from fore-and-aft direction to it, avoid breaking away from between the two, this kind of mode installation is simple, and tile and bearing housing make up between the two also firm, do not influence its original function and use.

Drawings

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

FIG. 2 is a schematic view of the combined structure of the bearing shell and the tile in the present invention;

FIG. 3 is a schematic view of the structure of the bearing housing of the present invention;

FIG. 4 is a schematic view of the structure of the middle tile of the present invention;

FIG. 5 is a schematic view of the structure of the middle housing of the present invention;

FIG. 6 is a schematic view of the assembled structure of the present invention;

in the figure: 1. a bearing housing; 2. a slot; 3. a card slot; 4. a tile; 5. a chute; 6. a shaft hole; 7 a housing cover; 8. a ring groove; 9. and (4) a bump.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a tilting pad bearing, including bearing housing 1, tile 4 and outer cover 7, slot 2 has been seted up to the inner wall of bearing housing 1, draw-in groove 3 that L shape was seted up to the surface of bearing housing 1, the outside of tile 4 is provided with the cutting, and the inside wall of bearing housing 1 is pegged graft and is had a plurality of tiles 4, and leave the clearance between each tile 4, spout 5 has been seted up to the inside wall of tile 4, outer cover 7 sets up to the ring form and covers the both ends that fit bearing housing 1 and tile 4, annular 8 has been seted up to outer cover 7's inside, and annular 8's inside is provided with lug 9.

In the present embodiment, the distance from the L-shaped transverse groove of the locking groove 3 to the top end of the bearing housing 1 is the same as the distance from the sliding groove 5 to the top end of the tile 4, i.e. when the bearing housing 1 and the tile 4 are kept flush, the transverse groove of the locking groove 3 and the sliding groove 5 are at the same height, which provides a basis for rotating the housing cover 7 to transfer the protrusion 9 into the transverse groove of the locking groove 3 and the sliding groove 5.

In the present embodiment, when assembling, one of the tiles 4 is selected first, the insert on the back of the tile 4 is aligned with the slot 2 on the inner wall of the bearing housing 1, and is inserted from top to bottom, and the tile 4 and the bearing housing 1 are kept flush, then another tile 4 is selected and is also inserted aligned with the slot 2, then all the remaining tiles 4 are inserted in the inner wall of the bearing housing 1 in a surrounding manner and are kept flush, so that simple installation between the tile 4 and the bearing housing 1 is completed, then one of the housing covers 7 is picked up, the bumps 9 inside the ring grooves 8 of the housing covers 7 are aligned with the gaps between the tiles 4 and the slot 3 of the bearing housing 1, then the housing cover 7 is pressed and inserted into the slot 3 and the gap, wherein the bumps 9 on both sides are deep in the slot 3 and the gap, when the bumps 9 on the outer side slide to the bottom of the slot 3 and cannot slide down further, the user rotates outer shell lid 7 again, slides the other end of draw-in groove 3 with the lug 9 in the outside, carries out the joint to bearing housing 1 fixed, and inboard lug 9 enters into the joint along the clearance and fixes in spout 5 simultaneously, carries out the joint to tile 4 and fixes, consolidates original fixed mounting, has avoided breaking away from between the two.

Furthermore, two rows of the convex blocks 9 are arranged and respectively positioned on the left inner side wall and the right inner side wall of the ring groove 8, and the two rows of the convex blocks 9 are respectively inserted into the clamping grooves 3 and the gaps.

In this embodiment, the two rows of bumps 9 on the inner side wall of the ring groove 8 of the housing cover 7 are respectively clamped and fixed on the outer side of the bearing housing 1 and the inner side of the tile 4, the alignment between the insertion end and the gap of the bumps 9 and the clamping groove 3 is firstly carried out on the housing cover 7, and then the tile 4 and the bearing housing 1 are fixed by pressing down, inserting and rotating.

Furthermore, the insertion end of the slot 3 is relatively flush with the gap, and the two rows of bumps 9 are aligned with each other.

In this embodiment, insert the end and the clearance position with draw-in groove 3 aligns, be convenient for lie in two rows of lugs 9 of 8 inside wall left and right alignments when inserting of annular groove, need not unnecessary adjustment, insert end and clearance of draw-in groove 3 with the lug 9 alignment of 7 annular grooves of outer cover 8 inside, push down later and insert draw-in groove 3 and clearance in, the lug 9 in the outside slides the unable gliding in bottom of draw-in groove 3, rotate outer cover 7 afterwards, slide the lug 9 in the outside to the other end of draw-in groove 3, it is fixed to carry out the joint to bearing housing 1, lug 9 of inboard simultaneously enters into spout 5 along the clearance and the joint is fixed, it is fixed to carry out the joint to tile 4.

Further, the sliding groove 5 is communicated with the gap, and the bump 9 is slidably connected inside the sliding groove 5.

In the present embodiment, the sliding groove 5 is communicated with the gap, and the projection 9 on one side of the inner side wall is inserted into the gap between the tiles 4 and then goes deep into the gap, and then rotates into the sliding groove 5 along with the rotation of the housing cover 7, so as to perform the clamping fixation of the inner side of the tile 4.

Further, both ends of the bearing housing 1 and the tile 4 are provided with stepped protruding portions, and the housing cover 7 is provided with two protruding portions respectively located at both ends thereof.

In the embodiment, the two ends of the bearing shell 1 and the tile 4 are both provided with the stepped protruding parts, so that the stepped protruding parts can be conveniently covered and accommodated by the shell cover 7, the tile 4 and the two ends of the bearing shell 1 which are simply inserted and connected originally are tightly fixed, and the tile 4 and the bearing shell 1 are prevented from being separated.

Furthermore, the insert strips of the tiles 4 are matched with the slots 2, and the cross sections of the insert strips are arranged to be inverted trapezoids.

In the present embodiment, the inverted trapezoidal insertion strip and the insertion groove 2 are inserted into each other, and are not easily detached from and dropped off, and the insertion strip on the back of the tile 4 is first inserted into the insertion groove 2 on the inner wall of the bearing housing 1 from top to bottom, so that the single tile 4 is simply installed inside the bearing housing 1.

Further, the tiles 4 are formed in an arc shape, and the back surfaces thereof are attached to the inner wall of the bearing housing 1.

In the embodiment, the arc-shaped tile 4 is matched with the bearing shell 1, so that the back of the tile 4 is conveniently attached to the inner wall of the bearing shell 1, a gap is prevented from being reserved between the arc-shaped tile 4 and the bearing shell, and the insertion strip on the back of the tile 4 is broken or damaged in the rotating process.

Further, a shaft hole 6 is formed in the tile 4, and the shaft hole 6 penetrates through the tile 4 along the axial direction.

In the present embodiment, the through-hole 6 provided inside the tile 4 is used for mounting and fixing the tilting pad bearing, and the tilting pad bearing and an external device are mounted and combined through a shaft, so that the tilting pad bearing is matched with the external device for rotating use.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A tilting pad bearing, characterized by: including bearing shell (1), tile (4) and outer cover (7), slot (2) have been seted up to the inner wall of bearing shell (1), draw-in groove (3) of L shape are seted up to the surface of bearing shell (1), the outside of tile (4) is provided with the cutting, just it has a plurality ofly to peg graft the inside wall of bearing shell (1) tile (4), and each leave the clearance between tile (4), spout (5) have been seted up to the inside wall of tile (4), outer cover (7) set up to the ring form and cover fit bearing shell (1) with the both ends of tile (4), annular (8) have been seted up to the inside of outer cover (7), just the inside of annular (8) is provided with lug (9).

2. A tilting pad bearing according to claim 1 wherein: the convex blocks (9) are arranged in two rows and are respectively positioned on the left inner side wall and the right inner side wall of the annular groove (8), and the convex blocks (9) are respectively inserted into the clamping groove (3) and the gap.

3. A tilting pad bearing according to claim 2 wherein: the inserting end of the clamping groove (3) is flush with the gap, and the two rows of the convex blocks (9) are aligned with each other.

4. A tilting pad bearing according to claim 1 wherein: the sliding groove (5) is communicated with the gap, and the bump (9) is connected to the inside of the sliding groove (5) in a sliding mode.

5. A tilting pad bearing according to claim 1 wherein: the bearing shell (1) and the tile (4) are provided with stepped protruding parts at two ends, and the shell cover (7) is provided with two protruding parts which are respectively positioned at two ends of the shell cover.

6. A tilting pad bearing according to claim 1 wherein: the inserting strips of the tiles (4) are matched with the inserting grooves (2), and the cross sections of the inserting strips are arranged to be inverted trapezoids.

7. A tilting pad bearing according to claim 1 wherein: the tile (4) is arc-shaped, and the back is attached to the inner wall of the bearing shell (1).

8. A tilting pad bearing according to claim 1 wherein: shaft hole (6) have been seted up to the inside of tile (4), just shaft hole (6) run through along the axial tile (4).