CN221054156U - Trailer axle bearing locking structure - Google Patents

Abstract

The utility model discloses a trailer axle bearing locking structure, which relates to the technical field of bearing locking and comprises an outer ring body, wherein an inner ring body is arranged between the inner walls of the outer ring body, an adjusting cavity is arranged between the inner walls of the outer ring body, a guide groove is arranged on the inner bottom surface of the adjusting cavity, a plurality of arc-shaped spring pieces are fixed on the inner top surface of the adjusting cavity at equal intervals along the circumferential direction, one ends of the arc-shaped spring pieces slide and extend to the inside of the guide groove.

Description

Trailer axle bearing locking structure

Technical Field

The utility model relates to the technical field of bearing locking, in particular to a trailer axle bearing locking structure.

Background

Bearings are an important component in contemporary mechanical devices. The main function of the device is to support the mechanical rotator, reduce the friction coefficient in the moving process and ensure the rotation precision, and the device adopts a bearing to drive the rotation of the steel wire storage roller on the trailer, so that the steel wire storage roller is convenient to store and release the steel wire.

However, the existing bearings are mostly installed in the bearing installation holes in an interference fit manner in the use process, the installation mode is easy to fall off when the bearing is impacted greatly on the butt joint part, and meanwhile, the faster the bearing rotates, the more easily the shaking is generated under the condition of high external load, so that the connecting equipment is unstable in operation.

Disclosure of utility model

(One) solving the technical problems

The utility model provides a trailer axle bearing locking structure, which solves the technical problems that the existing bearing mounting mode is easy to fall off when a large impact is applied to a butt joint part, and the faster the bearing rotates, the more easily the bearing shakes under the condition of large external load, so that the connecting equipment is unstable in operation.

(II) technical scheme

In order to solve the technical problems, the utility model provides the following technical scheme:

The utility model provides a trailer axletree bearing locking structure, includes the outer lane body, be provided with the inner circle body between the inner wall of outer lane body, the regulation chamber has been seted up between the inner wall of outer lane body, the guide way has been seted up to the inside bottom surface in regulation chamber, the inside top surface in regulation chamber is fixed with a plurality of arc spring pieces along circumferencial direction equidistance, a plurality of the inside that all slides to extend to the guide way of one end of arc spring piece.

Preferably, the surface of outer lane body has offered a plurality of through holes that run through to adjusting the intracavity portion along circumferencial direction equidistance, and is a plurality of the equal sliding connection in inside of through hole has the locating lever, and is a plurality of the one end of locating lever all corresponds to be connected on the surface of arc spring leaf, the annular draw-in groove has all been seted up to the inside top surface and the bottom surface in adjusting the chamber, the top and the bottom of inner circle body all are fixed with annular rand, two annular rand all correspond the block in the inside of annular draw-in groove.

Preferably, a plurality of louvres have been seted up along circumferencial direction equidistance to the top of inner circle body, a plurality of adjustment tank have been seted up along circumferencial direction equidistance to the surface of inner circle body, and is a plurality of the spacing groove has all been seted up to the both sides inner wall of adjustment tank, and is a plurality of the inside of adjustment tank all is provided with the movable seat, and is a plurality of one side of movable seat all is fixed with the spring body, and is a plurality of the one end of spring body all corresponds to be fixed at the inside bottom surface of adjustment tank, and is a plurality of the both sides of movable seat all are fixed with the stopper of sliding connection in the spacing inslot, a plurality of the equal roll connection of one side of movable seat has the ball.

(III) beneficial effects

Compared with the prior art, the utility model has the following beneficial effects:

1. When the device is used, the outer ring body is arranged at the butt joint position, then the external driving shaft is arranged in the inner ring body, when the external driving shaft drives the inner ring body to rotate, centrifugal force is generated when the rotating speed is high, the movable seat and the balls extend outwards under the action of the centrifugal force, so that the balls compress the plurality of arc-shaped spring pieces outwards of the outer ring body in the rolling process, the positioning rod is lifted out, and therefore limit fixation is generated at the butt joint position with the outside, and the fixation of the joint position is enhanced.

2. According to the utility model, when the arc-shaped spring piece slides, one side of the arc-shaped spring piece extends into the guide groove, and meanwhile, when the rotating speed is reduced, the movable seat can be retracted into the adjusting groove under the action of elastic tension of the spring body, so that the arc-shaped spring piece drives the positioning rod to retract, and when the inner ring body and the outer ring body relatively rotate, the inner ring body rotates more stably through the mutual clamping of the annular clamping groove and the annular clamping ring.

Drawings

Fig. 1 is a schematic perspective view of a trailer axle bearing locking structure according to the present utility model;

FIG. 2 is a schematic cross-sectional perspective view of a trailer axle bearing lock structure according to the present utility model;

FIG. 3 is a schematic perspective view showing a cross-section of an outer ring body in a trailer axle bearing locking structure according to the present utility model;

Fig. 4 is a schematic cross-sectional perspective view of an inner ring body in a trailer axle bearing locking structure according to the present utility model.

Reference numerals: 1. an outer ring body; 2. an inner ring body; 3. a through hole; 4. a positioning rod; 5. a heat radiation hole; 6. a regulating chamber; 7. a guide groove; 8. an arc-shaped spring piece; 9. an annular clamping groove; 10. an annular collar; 11. an adjustment tank; 12. a limit groove; 13. a movable seat; 14. a limiting block; 15. a ball; 16. a spring body.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Embodiment 1, as shown in fig. 1-3, the present utility model provides a trailer axle bearing locking structure technical scheme: including outer lane body 1, be provided with inner circle body 2 between the inner wall of outer lane body 1, seted up between the inner wall of outer lane body 1 and adjusted chamber 6, guide way 7 has been seted up to the inside bottom surface of adjusting chamber 6, and the inside top surface of adjusting chamber 6 is fixed with a plurality of arc spring pieces 8 along the circumferencial direction equidistance, and the one end of a plurality of arc spring pieces 8 all slides and extends to the inside of guide way 7.

The whole embodiment 1 has the effects that the outer ring body 1 is arranged at the butt joint part, then the external driving shaft is arranged inside the inner ring body 2, when the external driving shaft drives the inner ring body 2 to rotate, centrifugal force is generated when the rotating speed is faster, the movable seat 13 and the balls 15 extend outwards under the action of the centrifugal force, so that the balls 15 compress a plurality of arc-shaped spring pieces 8 towards the outer side of the outer ring body 1 in the rolling process, the positioning rod 4 is lifted out, and therefore limit fixation is generated at the butt joint part with the outside, and the fixation of the joint part is enhanced;

The problem of current bearing mounting means very easily drop when the great impact of butt joint position, the bearing rotates faster simultaneously, especially very easily produces under the very big circumstances of external load and rocks, leads to connecting device unstable operation is solved.

In embodiment 2, as shown in fig. 1-3, a plurality of through holes 3 penetrating into the adjusting cavity 6 are formed on the outer surface of the outer ring body 1 at equal intervals along the circumferential direction, the positioning rods 4 are slidably connected in the plurality of through holes 3, one ends of the plurality of positioning rods 4 are correspondingly connected to the outer surface of the arc-shaped spring piece 8, annular clamping grooves 9 are formed on the inner top surface and the bottom surface of the adjusting cavity 6, annular clamping rings 10 are fixedly arranged on the top and the bottom of the inner ring body 2, two annular clamping rings 10 are correspondingly clamped in the annular clamping grooves 9, a plurality of heat dissipation holes 5 are formed on the top of the inner ring body 2 at equal intervals along the circumferential direction, a plurality of adjusting grooves 11 are formed on the outer surface of the inner ring body 2 at equal intervals along the circumferential direction, limit grooves 12 are formed on the inner walls of two sides of the plurality of the adjusting grooves 11, movable seats 13 are respectively arranged in the plurality of the adjusting grooves 11, spring bodies 16 are respectively fixed on one sides of the movable seats 13, one ends of the plurality of the spring bodies 16 are correspondingly fixed on the inner bottom surfaces of the adjusting grooves 11, two sides of the movable seats 13 are respectively fixedly connected with limiting blocks 14 in the limit grooves 12, and one sides of the movable seats 15 are respectively connected with rolling balls.

The effect that its whole embodiment 2 reached is, when arc spring piece 8 slides, and one side of arc spring piece 8 extends to the inside of guide slot 7, and simultaneously when the rotational speed diminishes, can shrink movable seat 13 back to the inside of festival groove 11 under the elastic tension effect of spring body 16 to make arc spring piece 8 drive locating lever 4 shrink, when inner ring body 2 and outer lane body 1 relative rotation, through the mutual block of annular draw-in groove 9 and annular rand 10, make inner ring body 2 rotate more steadily.

Working principle: when using this device, install outer lane body 1 in butt joint position, then install outside drive shaft inside inner circle body 2, when outside drive shaft drives inner circle body 2 and rotates, can produce centrifugal force when the rotational speed is faster, make movable seat 13 and ball 15 outside extension under centrifugal force effect, thereby make ball 15 compress outside a plurality of arc spring pieces 8 outside outer circle body 1 at rolling in-process, make the locating lever 4 jack away, thereby produce spacing fixedly with outside butt joint department, strengthen the fixed of junction, when arc spring piece 8 slides, one side of arc spring piece 8 extends to the inside of guide way 7, simultaneously when the rotational speed diminishes, can shrink movable seat 13 back the interior of adjusting groove 11 under the elastic tension effect of spring body 16, thereby make arc spring piece 8 drive locating lever 4 shrink, when inner circle body 2 and outer lane body 1 relatively rotate, through annular draw-in groove 9 and annular collar 10's mutual block, make inner circle body 2 rotate more steadily.

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 (3)

1. The utility model provides a trailer axletree bearing locking structure, includes outer lane body (1), its characterized in that: an inner ring body (2) is arranged between the inner walls of the outer ring body (1), an adjusting cavity (6) is formed between the inner walls of the outer ring body (1), a guide groove (7) is formed in the inner bottom surface of the adjusting cavity (6), a plurality of arc-shaped spring pieces (8) are fixed on the inner top surface of the adjusting cavity (6) at equal intervals along the circumferential direction, and one ends of the arc-shaped spring pieces (8) slide and extend to the inside of the guide groove (7);

The utility model discloses a motor, including outer lane body (1) and spring body (13), including inner circle body (2) and outer lane body, a plurality of through-holes (3) that run through to regulation chamber (6) inside are offered along circumference direction equidistance, a plurality of through-holes (4) are all slidingly connected in the inside of through-holes (3), a plurality of louvres (5) have been offered along circumference direction equidistance to the top of inner circle body (2), a plurality of adjustment tank (11) have been offered along circumference direction equidistance to the surface of inner circle body (2), a plurality of spacing groove (12) have all been offered to the both sides inner wall of adjustment tank (11), a plurality of the inside of adjustment tank (11) all is provided with movable seat (13), a plurality of one side of movable seat (13) all is fixed with spring body (16), a plurality of the one end of spring body (16) all corresponds the inside bottom surface of fixing at adjustment tank (11), a plurality of both sides of movable seat (13) all are fixed with stopper (14) slidingly connected in spacing groove (12) inside, a plurality of movable seat (13) all roll-in one side is connected with ball (15).

2. A trailer axle bearing lock structure as in claim 1, wherein: one ends of the positioning rods (4) are correspondingly connected to the outer surface of the arc-shaped spring piece (8), and annular clamping grooves (9) are formed in the top surface and the bottom surface of the inner portion of the adjusting cavity (6).

3. A trailer axle bearing lock structure as in claim 2, wherein: annular clamping rings (10) are fixed at the top and the bottom of the inner ring body (2), and the two annular clamping rings (10) are correspondingly clamped in the annular clamping grooves (9).