CN218063119U

CN218063119U - Split type dustproof bearing

Info

Publication number: CN218063119U
Application number: CN202222132865.6U
Authority: CN
Inventors: 李涛; 徐亚文
Original assignee: Taishan Gypsum Yibin Co ltd
Current assignee: Taishan Gypsum Yibin Co ltd
Priority date: 2022-08-12
Filing date: 2022-08-12
Publication date: 2022-12-16
Anticipated expiration: 2032-08-12

Abstract

The utility model discloses a split type dustproof bearing, including bearing mount pad, steel ball subassembly and the inner ring that is used for connecting the axis of rotation, the inner ring is the annular, steel ball subassembly cover is established the outer wall of inner ring, the bearing mount pad includes the davit that two symmetries set up, the lower part of davit is half ring structure, two the half ring structure lock of davit is constituteed the ring structure and is established on the steel ball subassembly, the upper portion of davit is for falling L shape, two behind the half ring structure lock of davit, the shape of falling L upper portion of two davits makes up into T shape, and the middle part of T shape stays the lubricating oil passageway, a plurality of inlet ports have been seted up at the middle part of davit, the inlet port with the lubricating oil passageway intercommunication. The utility model has the advantages of simple structure conveniently adds lubricating oil, and the leakproofness is good, can prevent effectively that lime powder from getting into the bearing and improving long service life.

Description

Split type dustproof bearing

Technical Field

The utility model relates to a bearing field especially relates to a split type dust bearing.

Background

The gypsum board is a material prepared by taking building gypsum as a main raw material. The gypsum board is processed with the gesso as the raw materials, and the transport of current gesso generally uses U type screw conveyer, and when carrying the longer term, generally all be equipped with two auger delivery poles among the U type screw conveyer, two auger delivery poles pass through splined connection and are in the same place, hang at the junction and establish a bearing frame simultaneously, insert the spline and guarantee two auger delivery pole pivoted stability in the bearing frame.

However, the current general all that uses is integral bearing frame, directly insert the bearing frame with the spline of two screw conveyer pole junctions promptly, because U type screw conveyer is used for carrying the gesso, long-time the back of using, powdered gesso enters into the bearing easily, lead to lubricating oil to play should not have the effect, cause the dry grinding problem of flower key and bearing, make the aggravation wearing and tearing, cause transmission position clearance grow, produce axial shimmy, make the gallows receive the impact, screw conveyer trouble appears easily, the maintenance frequency is high. On the other hand, although the problem that gypsum powder enters the bearing can be solved by sealing the end face of the bearing, when lubricating oil needs to be added to the bearing, the whole bearing needs to be completely disassembled, which is time-consuming, labor-consuming and inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a split type dust bearings has simple structure, conveniently adds lubricating oil, and the leakproofness is good, can prevent effectively that lime powder from getting into the bearing and improving long service life advantage.

In order to realize the purpose, the utility model discloses a technical scheme is: the utility model provides a split type dustproof bearing, includes bearing mount pad, steel ball subassembly and is used for connecting the inner ring of axis of rotation, the inner ring is the annular, steel ball subassembly cover is established the outer wall of inner ring, the bearing mount pad includes the davit that two symmetries set up, the lower part of davit is half-ring structure, two the half-ring structure lock of davit is constituteed the ring structure and is established on the steel ball subassembly, the upper portion of davit is for falling L shape, two behind the half-ring structure lock of davit, the shape upper portion of falling L of two davits makes up into T shape, and the middle part of T shape stays the lubricating oil passageway, a plurality of inlet port has been seted up at the middle part of davit, the inlet port with the lubricating oil passageway intercommunication.

Furthermore, the semicircular ring structure of the lower part of the suspension arm is provided with a threaded connection block, the threaded connection block and the upper part of the suspension arm are both provided with threaded connection holes, and the two suspension arms are fastened and fixed by arranging bolts in the threaded connection holes.

Furthermore, the upper part of the suspension arm is also provided with a mounting hole.

Furthermore, still include that the cross section is conical dust cover, the dust cover is installed in the axis of rotation, and the one end of dust cover with the terminal surface laminating of ring structure, the through-hole has been seted up at the middle part of dust cover, the axis of rotation inserts in the through-hole, and still be equipped with O type sealing washer between axis of rotation and the dust cover.

Compared with the prior art, the utility model has the advantages of: through set up the lubricating oil passageway between two davits, when adding lubricating oil in to the bearing, need not dismantle easy operation convenient and fast completely with the bearing, can effectually prevent through dust cover and O type sealing washer simultaneously that lime powder from getting into between bearing and the spline, improve the life of bearing, reduce screw conveyer's maintenance frequency, practice thrift the cost.

Drawings

Fig. 1 is a front sectional view of the present invention;

FIG. 2 isbase:Sub>A view taken along line A-A of FIG. 1;

fig. 3 is a schematic structural diagram of the steel ball assembly of the present invention.

In the figure: 1. a suspension arm; 2. a steel ball component; 201. a support ring; 202. a steel ball; 3. an inner ring; 4. a bolt; 5. a threaded connection block; 6. a lubricant oil passage; 7, an oil inlet hole; 8. mounting holes; 9. a dust cover; 10. an O-shaped sealing ring; 11. a rotating shaft; 12. a spline; 13. and (5) a bearing seal ring.

Detailed Description

The present invention will be further explained below.

In the present embodiment, as shown in fig. 1 to fig. 3, a split type dust-proof bearing includes a bearing mounting seat, a steel ball assembly 2 and an inner ring 3 for connecting a rotating shaft 11, where the inner ring 3 is annular, when being mounted, the rotating shafts 11 at two ends of two spiral conveying rods on a U-shaped spiral conveyor are connected together through a spline 12, and then the spline 12 is inserted into the inner ring 3 to connect the two spiral conveying rods; the steel ball assembly 2 is sleeved on the outer wall of the inner ring 3, as shown in fig. 3, the steel ball assembly 2 comprises an annular support ring 201 and a plurality of steel balls 202, the plurality of steel balls 202 are rotatably connected to the support ring 201, and the plurality of steel balls 202 are arranged around the support ring 201; the bearing installation seat comprises two symmetrically arranged suspension arms 1, the lower portions of the suspension arms 1 are semicircular ring structures, the semicircular ring structures are buckled to form a circular ring structure and are sleeved on the steel ball component 2, the upper portions of the suspension arms 1 are inverted L-shaped and two after the semicircular ring structures of the suspension arms 1 are buckled, the inverted L-shaped upper portions of the two suspension arms 1 are combined to form a T shape, a lubricating oil channel 6 is reserved in the middle of the T shape, a plurality of oil inlet holes 7 are formed in the middle of the suspension arms 1, the oil inlet holes 7 are communicated with the lubricating oil channel 6, in the embodiment, the oil inlet holes 7 are three, the three oil inlet holes 7 are uniformly arranged, the lubricating oil channel 6 is cylindrical, when lubricating oil does not need to be added, a plug can be used for blocking the lubricating oil channel 6, sundries are prevented from falling into a bearing through the lubricating oil channel 6, when the lubricating oil needs to be added, the plug is taken down to inject the lubricating oil into the lubricating oil channel 6, the lubricating oil flows to the steel ball component 2 from the oil inlet holes 7, the whole bearing does not need to be completely disassembled, and the operation is simple and convenient.

Specifically, a threaded connection block 5 is arranged on the semicircular structure at the lower part of the suspension arm 1, as shown in fig. 1, threaded connection holes are formed in the threaded connection block 5 and the upper parts of the suspension arms 1, the threaded connection holes are used for installing bolts 4, after the two suspension arms 1 are tightly buckled, the two suspension arms 1 are fastened through the bolts 4, it should be noted that the bolts 4 connecting the upper parts of the two suspension arms 1 are arranged at two sides of the lubricating oil channel 6, that is, the bolts 4 cannot penetrate through the lubricating oil channel 6, so that the addition of the lubricating oil is influenced; preferably, the upper part of the suspension arm 1 is further provided with a mounting hole 8, and the whole bearing is fixedly mounted on the U-shaped screw conveyor through the mounting hole 8 and plays a role in fixing the bearing.

The dustproof cover 9 is preferably of a split structure, namely the dustproof cover 9 is formed by buckling two symmetrical arc-shaped plates, arc-shaped grooves are formed in the arc-shaped plates, after the two arc-shaped plates are buckled, the two arc-shaped grooves are combined into the through hole, the rotating shaft 11 on the spiral conveying rod is inserted into the through hole, an O-shaped sealing ring 10 is further arranged between the rotating shaft 11 and the dustproof cover 9, the sealing performance between the spiral conveying rod and a bearing is guaranteed through the O-shaped sealing ring 10, and gypsum powder is further prevented from falling into the bearing; simultaneously both ends all are equipped with around the bearing dust cover 9, and dust cover 9 and bearing closely laminate, certainly for the dustproof function of further promotion bearing, still be provided with bearing seal 13 between dust cover 9 and davit 1. It should be noted that the arc plates are also provided with the same structure as the threaded connection block 5, and the two arc plates are fixedly mounted on the rotating shaft 11 through the structure.

The principle and the implementation of the present invention are explained by applying specific examples, and the above description of the embodiments is only used to help understand the method and the core idea of the present invention; while the invention has been described in terms of specific embodiments and applications, it will be apparent to those skilled in the art that numerous variations and modifications can be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. The utility model provides a split type dustproof bearing which characterized in that: including bearing mount pad, steel ball subassembly and the inner ring that is used for connecting the axis of rotation, the inner ring is the annular, steel ball subassembly cover is established the outer wall of inner ring, the bearing mount pad includes the davit that two symmetries set up, the lower part of davit is half ring structure, two the half ring structure lock of davit is constituteed the ring structure and is established steel ball subassembly is last, the upper portion of davit is for falling L shape, two behind the half ring structure lock of davit, the upper portion of falling L shape of two davits makes up into T shape, and the middle part of T shape stays the lubricating oil passageway, a plurality of inlet ports have been seted up at the middle part of davit, the inlet port with the lubricating oil passageway intercommunication.

2. The split dust bearing of claim 1, wherein: the suspension arm is characterized in that a threaded connecting block is arranged on the semicircular ring structure at the lower part of the suspension arm, threaded connecting holes are formed in the threaded connecting block and the upper part of the suspension arm, and the two suspension arms are fastened and fixed through bolts arranged in the threaded connecting holes.

3. The split dust bearing of claim 2, wherein: the upper part of the suspension arm is also provided with a mounting hole.

4. The split dust bearing of claim 1, wherein: still include that the cross section is conical dust cover, the dust cover is installed in the axis of rotation, and the one end of dust cover with the terminal surface laminating of ring structure, the through-hole has been seted up at the middle part of dust cover, the axis of rotation inserts in the through-hole, and still be equipped with O type sealing washer between axis of rotation and the dust cover.