CN218913500U

CN218913500U - Novel bearing locking structure

Info

Publication number: CN218913500U
Application number: CN202223319374.9U
Authority: CN
Inventors: 高占勇
Original assignee: Handan Hongda Chemical Fiber Machinery Co ltd
Current assignee: Handan Hongda Chemical Fiber Machinery Co ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-04-25
Anticipated expiration: 2032-12-09

Abstract

The utility model relates to the technical field of polyester drafting machines, and provides a novel bearing locking structure which is convenient for effectively locking a bearing, prevents the bearing from loosening and axially moving, ensures normal operation of equipment, and comprises a shaft head, a rotating bearing, a locking nut, a tightening mechanism, a tightening gasket, a tightening bushing, a locking nut and a limiting mechanism, wherein the rotating bearing is arranged on the shaft head; the limiting mechanism comprises two anti-loosening frames, the two anti-loosening frames are mounted on the lock nut through screws, the two anti-loosening frames are respectively arranged in the two limiting grooves, the limiting mechanism comprises two anti-loosening frames, the two anti-loosening frames are mounted on the lock nut through screws, and the two anti-loosening frames are respectively arranged in the two limiting grooves.

Description

Novel bearing locking structure

Technical Field

The utility model relates to the technical field of polyester drafting machines, in particular to a novel bearing locking structure.

Background

The polyester drafting machine is a mechanical device used for the drafting and twisting process in the production process of nylon, polyester and polypropylene multifilament, the polyester, nylon and polypropylene raw yarn (POY, UDY) spun by the spinning machine are drafted and twisted to have certain linear density (fineness), strength, elongation and other physical properties, and can be directly or after elasticizing for weaving, and the use and the characteristics of the polyester drafting machine are as follows: the method is suitable for carrying out longitudinal step-by-step stretching on the fiber web which is output after being overlapped by a lapping machine, so that the orientation of the fiber is changed, and the aspect strength ratio of the fiber web is improved; the three-roller five-group drafting form is characterized in that each group is independently driven, the variable frequency speed is adjusted, the drafting ratio is convenient and reliable, the surface of the drafting roller is coated with special metal card clothing, the polyester drafting machine is a common device in the chemical fiber industry, the driving form is bevel gear driving, and the locking end of the bevel gear is usually in the form of locking nut GB/T812 plus brake gasket GB/T858. When the helical gear is greatly loaded, the vibration generated by the operation of the external polyester drafting machine is easy to cause the loosening and axial movement of the locking nut GB/T812 plus the brake gasket GB/T858 locking structure, and finally the helical gear is damaged and the equipment is stopped.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a novel bearing locking structure which is convenient for effectively locking a bearing, prevents the bearing from loosening and axially moving, and ensures the normal operation of equipment.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the novel bearing locking structure comprises a shaft head and further comprises a rotating bearing, wherein the rotating bearing is arranged on the shaft head, a screw fastener and a limiting groove are formed in the shaft head, a locking nut is connected with the screw fastener in a threaded mode, a tightening mechanism is arranged on the locking nut and used for tightening between the locking nut and a withdrawal liner, a locking gasket is sleeved on the screw fastener, a withdrawal liner is sleeved on the shaft head, the withdrawal liner is arranged between the locking nut and the rotating bearing, and a limiting mechanism is arranged on the locking nut;

in order to limit the lock nut, the limiting mechanism comprises two anti-loosening frames, the two anti-loosening frames are arranged on the lock nut through screws, and the two anti-loosening frames are respectively arranged in the two limiting grooves.

In order to carry out multiple spacing to lock nut, prevent that lock nut is not hard up to lead to the condition that rolling bearing appears becoming flexible, axial displacement, preferably, tight mechanism in top includes two fixed blocks, two equal fixed connection of fixed block is on lock nut, withdraw and unload two tight pieces in top fixedly connected with on the bush, two screw and equal threaded connection have a tight screw in top all offered on the fixed block, two the right-hand member of tight screw in top contacts with two tight pieces respectively.

In order to facilitate the tightening of the locking nut by an operator, the locking nut is further provided with a plurality of grooves for the tightening of the locking nut by the operator through the tool clamping grooves.

In order to increase the locking stability of the locking nut, a plurality of limiting pieces are fixedly connected to the locking gasket.

In order to drive the jacking screws to rotate, as a further scheme of the scheme, six square blocks are fixedly connected to the two jacking screws.

In order to increase the stability of the connection of the fixing blocks, as a still further proposal of the proposal, two fixing blocks are welded on the lock nut.

In order to press the limiting piece into the groove, on the basis of the scheme, the width of the limiting piece is consistent with the width of the groove on the lock nut.

In order to increase the stability of the jacking screws when jacking the jacking plates, the scheme is further based on the scheme, and the two jacking screws are both rotationally connected with top plates.

(III) beneficial effects

Compared with the prior art, the utility model provides a novel bearing locking structure, which has the following beneficial effects:

according to the novel bearing locking structure, the locking nut is locked and screwed, the rotating bearing is supported through the dismounting bush sleeved on the shaft head, the locking nut is limited through the limiting mechanism arranged on the locking nut, and the locking nut is propped up through the locking mechanism arranged on the locking nut, so that the locking nut is doubly limited, therefore, the novel bearing locking structure is convenient for effectively locking the bearing, prevents the bearing from loosening and axially moving, and ensures normal operation of equipment.

Drawings

FIG. 1 is a schematic perspective view of the utility model in an overall exploded configuration;

FIG. 2 is a schematic perspective view of the whole structure of the present utility model;

FIG. 3 is a schematic view of a part of the three-dimensional structure of the limiting mechanism and the tightening mechanism of the present utility model;

fig. 4 is a schematic view of a partial enlarged structure at a in fig. 3 according to the present utility model.

In the figure:

1. a shaft head; 2. a rotating bearing; 3. a lock nut; 4. a locking spacer; 5. disassembling the bushing; 6. a limiting piece; 7. six square blocks; 8. a top plate;

100. a limiting mechanism; 101. an anti-loosening frame; 102. a screw;

200. a jacking mechanism; 201. a fixed block; 202. a tightening block; 203. and (5) pushing up the screw rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a novel bearing locking structure comprises a shaft head 1, and further comprises a rotating bearing 2, wherein the rotating bearing 2 is arranged on the shaft head 1, a screw buckle and a limiting groove are formed in the shaft head 1 and are used for screwing and fixing a locking nut 3, so that the locking nut 3 is prevented from falling off, the screw buckle is connected with the locking nut 3 in a threaded manner, a plurality of grooves are formed in the locking nut 3 and are used for screwing the locking nut 3 by an operator through tool clamping grooves so as to facilitate screwing the locking nut 3 by the operator, a jacking mechanism 200 is arranged on the locking nut 3 and is used for jacking between the locking nut 3 and a dismounting bush 5, a locking gasket 4 is sleeved on the screw buckle, a plurality of limiting pieces 6 are fixedly connected onto the locking gasket 4 so as to clamp the limiting pieces 6 into the grooves formed in the locking nut 3 after the locking nut 3 is locked, the width of the limiting pieces 6 is consistent with the width of the grooves formed in the locking nut 3 so as to press the limiting pieces 6 into the grooves formed in the locking nut 3, a dismounting bush 5 is sleeved on the shaft head, a dismounting bush 5 is arranged between the locking nut 3 and the dismounting bush 2, and the locking bush 3 is arranged on the bearing 100;

referring to fig. 3, the limiting mechanism 100 includes two locking frames 101, wherein the two locking frames 101 are mounted on the locking nut 3 through screws 102, and the two locking frames 101 are respectively arranged in two limiting grooves so as to limit the locking nut 3 and increase the locking stability of the locking nut 3;

referring to fig. 3, the tightening mechanism 200 includes two fixing blocks 201, where the two fixing blocks 201 are welded on the lock nut 3, so that the fixing blocks 201 are relatively simple when connected, and have a long service life, the two fixing blocks 201 are fixedly connected to the lock nut 3, two tightening blocks 202 are fixedly connected to the dismounting sleeve 5, screw holes are formed in the two fixing blocks 201 and are uniformly connected with tightening screws 203 in a threaded manner, top plates 8 are rotatably connected to the two tightening screws 203, so that when the tightening screws 203 are tightened against the tightening blocks 202, the tightening stability is improved, and six square blocks 7 are fixedly connected to the two tightening screws 203, so that the tightening screws 203 are driven to rotate by the six square blocks 7, and the right ends of the two tightening screws 203 are respectively contacted with the two tightening blocks 202, so that the lock nut 3 is conveniently tightened against the lock nut 3, and the locking nut 3 is prevented from falling off to cause loosening of the rotating bearing 2.

In summary, when the rolling bearing 2 needs to be locked, firstly, the rolling bearing 2 is pressed onto the spindle head 1, then the dismounting sleeve 5 is sleeved on the spindle head 1, the spindle head 1 is tightly propped, then the limiting piece 6 of the inner ring of the locking gasket 4 is aligned with the corresponding groove formed in the spindle head 1 and inserted, then the locking nut 3 is screwed onto the screw buckle formed in the spindle head 1, thereby the locking gasket 4 is clamped between the dismounting sleeve 5 and the locking nut 3, then the locking frame 101 is mounted on the locking nut 3 through the screw 102, when the locking frame 101 is mounted, the bottom of the locking frame 101 is placed in the limiting groove formed in the spindle head 1, then the locking frame 101 is fixed on the locking nut 3 through the screw 102, after the locking nut 3 is locked, the limiting piece 6 of the outer ring of the locking gasket 4 is aligned with the corresponding groove and pressed down, so that the limiting piece 6 is placed in the groove, thereby the locking nut 3 is limited, then an operator rotates the six square block 7 to drive the jacking screw 203 to rotate, thereby the top plate 8 rotationally connected on the jacking screw 203 is pushed against the dismounting sleeve 5, the locking piece 202 is fixedly connected on the spindle head 1, thereby the locking nut 3 is prevented from moving axially, and the locking nut 3 is prevented from being loosened, and the situation of the locking nut is prevented from moving axially, and the locking nut 3 is prevented from being loosened.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel bearing locking structure, includes spindle nose (1), its characterized in that still includes rolling bearing (2), rolling bearing (2) set up on spindle nose (1), set up spiral shell knot and spacing groove on spindle nose (1), threaded connection has lock nut (3) on the spiral shell knot, install tight mechanism (200) in top on lock nut (3) for carry out top tightly between lock nut (3) and withdrawal bush (5), the cover is equipped with locking gasket (4) on the spiral shell knot, the cover is equipped with withdrawal bush (5) on spindle nose (1), withdrawal bush (5) set up between lock nut (3) and rolling bearing (2), be provided with stop gear (100) on lock nut (3);

the limiting mechanism (100) comprises two anti-loosening frames (101), the two anti-loosening frames (101) are mounted on the lock nut (3) through screws (102), and the two anti-loosening frames (101) are respectively arranged in the two limiting grooves.

2. The novel bearing locking structure according to claim 1, wherein the tightening mechanism (200) comprises two fixing blocks (201), the two fixing blocks (201) are fixedly connected to the locking nut (3), the two tightening blocks (202) are fixedly connected to the dismounting sleeve (5), screw holes are formed in the two fixing blocks (201) and are in threaded connection with tightening screws (203), and the right ends of the two tightening screws (203) are respectively contacted with the two tightening blocks (202).

3. The novel bearing locking structure according to claim 2, wherein the locking nut (3) is provided with a plurality of grooves for an operator to tighten the locking nut (3) through the tool clamping grooves.

4. A novel bearing locking structure according to claim 3, wherein a plurality of limiting pieces (6) are fixedly connected to the locking washer (4).

5. The novel bearing locking structure according to claim 4, wherein six square blocks (7) are fixedly connected to the two tightening screws (203).

6. A novel bearing locking structure according to claim 5, characterized in that both said fixed blocks (201) are welded to the lock nut (3).

7. The novel bearing locking structure according to claim 6, wherein the width of the limiting piece (6) is consistent with the width of the groove on the locking nut (3).

8. A novel bearing locking structure according to claim 7, wherein the top plate (8) is rotatably connected to both of the tightening screws (203).