CN216279012U - Bearing for truck axle - Google Patents

Abstract

The utility model discloses a bearing for a truck axle, which comprises an inner shaft sleeve, wherein annular baffles are arranged on two sides of the outer side of the inner shaft sleeve, a plurality of groups of tapered rollers are sleeved on two sides of the outer side of the inner shaft sleeve, which are close to the annular baffles, an outer shaft sleeve is sleeved on the outer sides of the plurality of groups of tapered rollers together, a plurality of groups of movable grooves are arranged on two sides of the inner side of the outer shaft sleeve, and movable rods are sleeved on the tops of the inner sides of the plurality of groups of movable grooves; according to the utility model, through the mutual matching of the clamping ring, the ball, the movable groove, the movable rod, the annular clamping groove, the contact plate and the annular baffle plate, the contact plate can be attached to the outer side of the tapered roller after the device is installed, so that the tapered roller is subjected to auxiliary limitation, the axial load and the radial load borne by the outer shaft sleeve can be shared, the contact between the tapered roller and the outer shaft sleeve is prevented from loosening and slipping, the stability of the bearing during operation is prevented from being influenced, the operation stability of the device is improved, and the bearing capacity of the device is enhanced.

Description

Bearing for truck axle

Technical Field

The utility model relates to the technical field of bearings, in particular to a bearing for an axle of a truck.

Background

Trucks, commonly called trucks, also called trucks, including dump trucks, haul trucks, off-highway and off-road trucks in non-road areas and various vehicles specially manufactured for special needs, which refer to vehicles mainly used for transporting goods and sometimes vehicles capable of hauling other vehicles, belong to the category of commercial vehicles, and as the vehicles usually need to bear larger loads, the axles thereof usually adopt double-row tapered roller bearings which can bear stronger weight;

some problems still exist with the existing devices: when bearing axial and radial load between current device bearing inner race and the tapered roller, the condition that the not hard up skids can appear, stability when having influenced the device rotation to the sealed effect of device both sides is relatively poor, and in the dust got into the device easily, frictional force when increasing the device rotation has reduced the life of device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a bearing for a truck axle, which aims to solve the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a bearing for cargo vehicle axle, includes the inner sleeve, the both sides in the inner sleeve outside are provided with annular baffle, the both sides cover that the inner sleeve outside is close to annular baffle is equipped with multiunit tapered roller, multiunit the common cover in tapered roller's the outside is equipped with outer axle sleeve, the inboard both sides of outer axle sleeve are provided with multiunit movable groove, multiunit the top cover of movable groove inboard is equipped with movable rod, multiunit the bottom of movable rod is provided with the contact plate with tapered roller matched with, the edge of outer axle sleeve both sides is provided with annular clamping groove, and is two sets of the edge that annular baffle is close to one side mutually is provided with the snap ring with annular clamping groove matched with, multiunit the top of movable rod extends to annular clamping groove's inboard and cover and is equipped with the ball.

Preferably, guide rods are arranged on two sides of the inner side of the movable groove, and sliding sleeves connected with the contact plates are sleeved on the outer sides of the two groups of guide rods and used for guiding the contact plates.

Preferably, the cross-sectional shape of snap ring is trapezoidal, the ball is laminated with the inclined plane of snap ring mutually, and when the device rotated, the ball can roll along the inclined plane of snap ring.

Preferably, the contact plate is made of an arc-shaped structure, the inner side of the contact plate is attached to the tapered roller, the tapered roller is limited in an auxiliary mode, and axial and radial loads borne by the outer shaft sleeve can be distributed.

Preferably, both sides of the inner wall of the outer shaft sleeve are made of funnel-shaped structures and are attached to the tapered rollers to rotate.

Preferably, the middle part of one side, close to each other, of each two groups of annular baffles is provided with a retainer matched with the tapered roller, and the retainer is used for limiting the tapered roller.

Compared with the prior art, the utility model has the beneficial effects that: this bearing for cargo-carrying automobile axle passes through the snap ring, the ball, the movable slot, the movable rod, ring groove, mutually support between contact plate and the ring baffle, make the contact plate can laminate and tapered roller's the outside after the device installation, carry out supplementary restriction to tapered roller, but the axial and the radial load that bear of the outer axle sleeve of divideing share, prevent that tapered roller from taking place not hard up and skidding with the contact of outer axle sleeve, stability when moving bearing causes the influence, the operating stability of device has been promoted, thereby the device bearing capacity has been strengthened, and ring baffle can cover in the bearing both sides after the device installation, cooperation snap ring and ring groove's block, can prevent in the dust gets into the bearing, the sealing capacity of device has been promoted.

Drawings

FIG. 1 is a front cross-sectional view of the present invention;

FIG. 2 is a side cross-sectional view of the present invention

Fig. 3 is an enlarged view of the structure at a in fig. 1 according to the present invention.

In the figure: 1. an inner sleeve; 2. a snap ring; 3. an outer sleeve; 4. a tapered roller; 5. a ball bearing; 6. a movable groove; 7. a movable rod; 8. an annular neck; 9. a contact plate; 10. an annular baffle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides an embodiment: a bearing for a truck axle comprises an inner shaft sleeve 1, two sides of the outer side of the inner shaft sleeve 1 are provided with annular baffles 10, the middle parts of two groups of annular baffles 10 close to one side are provided with retainers matched with tapered rollers 4 and used for limiting the tapered rollers 4, two sides of the outer side of the inner shaft sleeve 1 close to the annular baffles 10 are sleeved with a plurality of groups of tapered rollers 4, the outer sides of the plurality of groups of tapered rollers 4 are sleeved with an outer shaft sleeve 3 together, two sides of the inner wall of the outer shaft sleeve 3 are made of funnel-shaped structures and are jointed with the tapered rollers 4 to rotate, two sides of the inner side of the outer shaft sleeve 3 are provided with a plurality of groups of movable grooves 6, two sides of the inner side of each movable groove 6 are provided with guide rods, the outer sides of the two groups of guide rods are sleeved with sliding sleeves connected with contact plates 9 and used for guiding the contact plates 9, the tops of the inner sides of the plurality of the groups of the movable grooves 6 are sleeved with movable rods 7, the bottoms of the plurality of the movable rods 7 are provided with contact plates 9 matched with the tapered rollers 4, contact plate 9 is made by the arc structure, contact plate 9's inboard is laminated with tapered roller 4 mutually, assist the restriction to tapered roller 4, but axial and radial load that outer axle sleeve 3 bore of dividing an arm, the edge at outer axle sleeve 3 both sides is provided with ring groove 8, two sets of ring baffle 10 are close to the edge of one side mutually and are provided with snap ring 2 with 8 matched with of ring groove, the cross sectional shape of snap ring 2 is trapezoidal, ball 5 laminates with the inclined plane of snap ring 2 mutually, when the device rotated, ball 5 can roll along the inclined plane of snap ring 2, the top of multiunit movable rod 7 extends to 8 inboard of ring groove and overlaps and is equipped with ball 5.

The working principle is as follows: when the device is installed, the snap ring 2 can be clamped into the annular clamping groove 8, the snap ring 2 is inserted into the annular clamping groove 8, the ball 5 can roll along the inclined edge of the snap ring 2, the movable rod 7 is pushed to move towards one side of the inner shaft sleeve 1, the contact plate 9 can be pushed by the movable rod 7 to move towards one side of the inner shaft sleeve 1 under the guide of the guide rod and the sliding sleeve, after the installation and installation are completed, the contact plate 9 can be tightly attached to the outer side of the tapered roller 4, when the device rotates, the tapered roller 4 can roll along the inner sides of the contact plate 9 and the outer shaft sleeve 3, meanwhile, the ball 5 can roll along the inner side of the snap ring 2, the load borne by the split device during rotation can be split, the stability of operation is improved, after the device is installed, the annular baffle plate 10 can cover the two sides of the device at the moment, and dust can be prevented from entering the device.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that the terms "connected" and "connected" are to be interpreted broadly, e.g., as either a fixed connection or a removable connection, unless expressly stated or limited otherwise; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims (6)

1. The utility model provides a bearing for cargo vehicle axle, includes inner sleeve (1), its characterized in that: annular baffles (10) are arranged on two sides of the outer side of the inner shaft sleeve (1), a plurality of groups of tapered rollers (4) are sleeved on two sides of the outer side of the inner shaft sleeve (1) close to the annular baffles (10), an outer shaft sleeve (3) is sleeved on the outer sides of the tapered rollers (4) together, a plurality of groups of movable grooves (6) are arranged on two sides of the inner side of the outer shaft sleeve (3), movable rods (7) are sleeved on the tops of the inner sides of the plurality of groups of movable grooves (6), contact plates (9) matched with the tapered rollers (4) are arranged at the bottoms of the plurality of groups of movable rods (7), the edge of outer axle sleeve (3) both sides is provided with ring groove (8), and is two sets of ring baffle (10) are close to the edge of one side mutually and are provided with snap ring (2) with ring groove (8) matched with, multiunit the top of movable rod (7) extends to the inboard of ring groove (8) and the cover is equipped with ball (5).

2. The truck axle bearing of claim 1, wherein: the two sides of the inner side of the movable groove (6) are provided with guide rods, and the outer side of the two groups of guide rods is sleeved with a sliding sleeve connected with the contact plate (9).

3. The truck axle bearing of claim 1, wherein: the cross-sectional shape of snap ring (2) is trapezoidal, ball (5) laminate mutually with the inclined plane of snap ring (2).

4. The truck axle bearing of claim 1, wherein: the contact plate (9) is made of an arc-shaped structure, and the inner side of the contact plate (9) is attached to the tapered roller (4).

5. The truck axle bearing of claim 1, wherein: the two sides of the inner wall of the outer shaft sleeve (3) are made of funnel-shaped structures.

6. The truck axle bearing of claim 1, wherein: the middle part of one side, close to the two groups of annular baffles (10), is provided with a retainer matched with the tapered rollers (4).

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