CN219345396U

CN219345396U - Axial roller type rotary drive

Info

Publication number: CN219345396U
Application number: CN202223519925.6U
Authority: CN
Inventors: 钱峰; 孙磊
Original assignee: Xuzhou Saiyue Construction Machinery Co ltd
Current assignee: Xuzhou Saiyue Construction Machinery Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-07-14
Anticipated expiration: 2032-12-28

Abstract

The utility model relates to the field of slewing drive, and discloses an axial roller type slewing drive, which comprises a shell, a slewing bearing, a worm, a flange, an end cover and a bearing, wherein the slewing bearing comprises an outer ring, an inner ring and rollers embedded between the outer ring and the inner ring, a plurality of rolling teeth are arranged on the axial end surface of the outer ring in an equiangular distribution manner, the rolling teeth consist of a mandrel, a roller bearing and a retainer ring, and the shell consists of a worm cavity and a gear ring cavity. The axial roller type rotary drive has the advantages that the rotary support adopts the crossed rollers, meanwhile, the outer ring of the rotary support adopts the roller bearing as the meshing of the teeth and the worm teeth, so that the abrasion and the heating are reduced, the service life is prolonged, meanwhile, the clearance between the rollers and the worm teeth can be reduced without influencing the rotation performance due to the fact that the rollers can rotate, the transmission precision is improved, and the rollers are axially placed, so that the simultaneous transmission of a plurality of rollers can be realized, and the transmission torque and the service performance are improved.

Description

Axial roller type rotary drive

Technical Field

The utility model relates to the technical field of rotation driving, in particular to an axial roller type rotation driving.

Background

The axial roller type rotary drive is novel rotary drive, is different from the conventional rotary drive with worm and worm wheel or worm and bevel gear, and has the advantages that no matter which type of fit is adopted, sliding friction is adopted between teeth in the mode, friction resistance is large, the rotating speed is low, meanwhile, the transmission precision is low, abrasion is accelerated at high rotating speed, and the problem of friction sound exists.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides an axial roller type rotary drive, which solves the problems in the background art.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an axial gyro wheel formula rotary drive, includes casing, slewing bearing, worm, flange, end cover and bearing, slewing bearing includes outer lane, inner circle and inlays the roller between outer lane and the inner circle, a plurality of rolling teeth are installed to equiangular distribution on the axial terminal surface of outer lane, the rolling teeth comprises dabber, roller bearing and retaining ring, the casing comprises worm chamber and ring gear chamber, the rolling teeth on the outer lane meshes with the tooth of worm.

Further, the wheel bearing is mounted on a spindle.

Further, the mandrel is fixed on the axial end face of the outer ring.

Further, the retainer ring is mounted on the mandrel.

Further, the flange and the end cap are fixed on the housing.

Further, the worm is mounted inside the worm cavity.

Still further, the slewing bearing is mounted inside the ring gear cavity.

Further, the slewing bearing is fixedly connected with the shell through the inner ring.

(III) beneficial effects

Compared with the prior art, the utility model provides an axial roller type rotary drive, which has the following beneficial effects:

1. the axial roller type rotary drive has the advantages that the rotary support adopts the crossed rollers, meanwhile, the outer ring of the rotary support adopts the roller bearing as the meshing of the teeth and the worm teeth, so that the abrasion and the heating are reduced, the service life is prolonged, meanwhile, the clearance between the rollers and the worm teeth can be reduced without influencing the rotation performance due to the fact that the rollers can rotate, the transmission precision is improved, and the rollers are axially placed, so that the simultaneous transmission of a plurality of rollers can be realized, and the transmission torque and the service performance are improved.

Drawings

FIG. 1 is a schematic view of the present utility model in a front cross-section;

FIG. 2 is a schematic view of the present utility model in a top-down configuration;

fig. 3 is an enlarged schematic view of the structure of fig. 1 a according to the present utility model.

In the figure: 1. a housing; 1.1, a worm cavity; 1.2, gear ring cavity; 2. a slewing bearing; 2.1, an outer ring; 2.1.1, rolling teeth; 2.1.1.1, mandrel; 2.1.1.2, roller bearings; 2.1.1.3, check ring; 2.2, an inner ring; 2.3, rollers; 3. a worm; 4. a flange; 5. an end cap; 6. and (3) a bearing.

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.

Example 1

The preferred embodiment of the axial roller type rotary driving provided by the present utility model is shown in fig. 1 to 3: the utility model provides an axial gyro wheel formula rotary drive, including casing 1, slewing bearing 2, worm 3, flange 4, end cover 5 and bearing 6, slewing bearing 2 includes outer lane 2.1, inner circle 2.2 and inlays the roller 2.3 of arranging between outer lane 2.1 and inner circle 2.2, a plurality of rolling teeth 2.1.1 are installed to equiangular distribution on the axial terminal surface of outer lane 2.1, rolling teeth 2.1.1 comprises dabber 2.1.1.1, roller bearing 2.1.1.2 and retaining ring 2.1.1.3, casing 1 comprises worm chamber 1.1 and ring gear chamber 1.2, rolling teeth 2.1.1 on outer lane 2.1 meshes with the tooth of worm 3.

Further, a wheel bearing 2.1.1.2 is mounted on the spindle 2.1.1.1.

Further, the mandrel 2.1.1.1 is fixed on the axial end face of the outer ring 2.1.

Further, a retainer ring 2.1.1.3 is mounted on the spindle 2.1.1.1.

Further, the flange 4 and the end cap 5 are fixed to the housing 1.

Further, the worm 3 is mounted inside the worm cavity 1.1.

Further, a slewing bearing 2 is mounted inside the ring gear cavity 1.2.

Further, the pivoting support 2 is fixedly connected to the housing 1 via an inner ring 2.2.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

It should be noted that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," etc. refer to the orientation or positional relationship as shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

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. An axial roller type rotary drive is characterized in that: including casing (1), slewing bearing (2), worm (3), flange (4), end cover (5) and bearing (6), slewing bearing (2) include outer lane (2.1), inner circle (2.2) and inlay roller (2.3) between outer lane (2.1) and inner circle (2.2), a plurality of rolling teeth (2.1.1) are installed to equiangular distribution on the axial terminal surface of outer lane (2.1), rolling teeth (2.1.1) comprise dabber (2.1.1.1), roller bearing (2.1.1.2) and retaining ring (2.1.1.3), casing (1) comprise worm chamber (1.1) and ring gear chamber (1.2), rolling teeth (2.1.1) on outer lane (2.1) are with the tooth meshing of worm (3).

2. An axial roller type rotary drive as defined in claim 1, wherein: the wheel bearing (2.1.1.2) is mounted on a spindle (2.1.1.1).

3. An axial roller type rotary drive as defined in claim 1, wherein: the mandrel (2.1.1.1) is fixed on the axial end face of the outer ring (2.1).

4. An axial roller type rotary drive as defined in claim 1, wherein: the retainer ring (2.1.1.3) is arranged on the mandrel (2.1.1.1).

5. An axial roller type rotary drive as defined in claim 1, wherein: the flange (4) and the end cover (5) are fixed on the shell (1).

6. An axial roller type rotary drive as defined in claim 1, wherein: the worm (3) is arranged in the worm cavity (1.1).

7. An axial roller type rotary drive as defined in claim 1, wherein: the slewing bearing (2) is arranged in the gear ring cavity (1.2).

8. An axial roller type rotary drive as defined in claim 1, wherein: the slewing bearing (2) is fixedly connected with the shell (1) through the inner ring (2.2).