CN219994171U

CN219994171U - Double spacer needle roller assembly that adds of extra-large load convenient to installation

Info

Publication number: CN219994171U
Application number: CN202321182300.7U
Authority: CN
Inventors: 李震; 贾喜良; 李赓; 王超; 王萌; 汪静
Original assignee: Jining Jingyi Bearing Co ltd
Current assignee: Jining Jingyi Bearing Co ltd
Priority date: 2023-05-17
Filing date: 2023-05-17
Publication date: 2023-11-10
Anticipated expiration: 2033-05-17

Abstract

The utility model provides an oversized-load double-row spacer needle roller assembly convenient to install, and relates to the technical field of rollers. The utility model has the advantages of firm installation, avoiding the separate installation of different stop pins one by one, improving the efficiency, facilitating the installation of the spacer bush and the needle roller, and the like.

Description

Double spacer needle roller assembly that adds of extra-large load convenient to installation

Technical Field

The utility model relates to the technical field of rollers, in particular to an oversized-load double-row spacer sleeve needle roller assembly convenient to install.

Background

The bearing is an important part in modern mechanical equipment, and has the main functions of supporting a mechanical rotating body, reducing the friction coefficient in the motion process, and the needle bearing is provided with thin and long rollers, so that the radial structure is compact, the inner diameter size and the load capacity of the bearing are the same as those of other types of bearings, the outer diameter is minimum, and the bearing is particularly suitable for a supporting structure with limited radial installation size.

In the prior art, as disclosed in chinese patent No. cn2015121807. X, a planetary gear bearing device includes a planet carrier, a planetary gear pin, a planetary gear and a needle bearing, and is characterized in that: the left end and the right end of the inner ring of the needle bearing are provided with inner spacer bushes; the left end and the right end of the outer ring body of the needle bearing are provided with outer spacer bushes; the inner spacer bush is annular; the outer spacer bush consists of a spacer ring and a flange on the spacer ring; the right end of the planet wheel pin shaft is provided with a positioning clamping ring.

But among the prior art, the installation and dismantlement are convenient, adopt interior spacer bush and outer spacer bush to carry out radial spacing to needle bearing, the epaxial installation rand of planet wheel round pin carries out axial spacing with planet wheel and needle bearing, utilize the relative motion of outer spacer bush of installation stop pin restriction and planet wheel, there is not relative motion between needle bearing outer lane body and planet wheel and the outer spacer bush during the operation, there is not wearing and tearing between outer spacer bush and the planet wheel, reliability and stability that bearing device operated have been improved, but still there are some shortages, utilize pinhole and stop pin to install, this kind of mode of installation is not firm enough, install respectively different stop pins, it is time consuming and laborious, inconvenient to install spacer bush and needle.

Disclosure of Invention

The utility model aims to solve the problems that the installation is not firm enough, the installation is respectively carried out on different stop pins, time and labor are wasted, and the installation of a spacer bush and a needle roller is inconvenient.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an extra-large load double spacer needle roller assembly that adds convenient to installation, includes the outer lane body, the inboard of the outer lane body is fixed to be equipped with the spacer, the both sides activity of spacer is equipped with symmetrical kingpin, the outer wall rotation of kingpin is equipped with symmetrical spacing ring, the mounting groove has all been seted up at the both ends of the outer lane body, the both ends of the outer lane body with the inboard of mounting groove is movable mounting has the collar, the collar is close to the fixed first mounting structure that is equipped with in one side of the outer lane body, the collar is close to the fixed second mounting structure that is equipped with in one side of the outer lane body.

Preferably, the longitudinal section of the mounting ring is L-shaped, and the number of the mounting rings is two.

Preferably, the longitudinal section of the mounting groove is in an inverted T shape, and the mounting groove is in a stepped cylindrical shape.

Preferably, the rolling pin is thin at two ends and thick in the middle.

Preferably, the first mounting structure comprises a first fixing column fixedly arranged on one side, close to the outer ring body, of the mounting ring, a first outer cylinder is fixedly arranged at the other end of the first fixing column, a first inner cylinder is movably arranged on one side, opposite to the central axis of the outer ring body, of the first outer cylinder, a first baffle is fixedly arranged on one side, opposite to the central axis of the outer ring body, of the first inner cylinder, and a first spring is fixedly connected to one side, close to the first inner cylinder, of the first outer cylinder.

Preferably, the second mounting structure comprises a second fixing column fixedly arranged on one side, close to the outer ring body, of the mounting ring, a second outer cylinder is fixedly arranged at the other end of the second fixing column, a second inner cylinder is movably arranged on one side, far away from the central axis of the outer ring body, of the second outer cylinder, a second spring is fixedly arranged on one side, far away from the central axis of the outer ring body, of the second outer cylinder, and a second baffle is fixedly arranged on one side, far away from the central axis of the outer ring body, of the second inner cylinder.

Compared with the prior art, the utility model has the advantages and positive effects that:

according to the utility model, the needle rollers are arranged in the two limiting rings, the two limiting rings and the needle rollers are arranged in the outer ring body, the first mounting structure and the second mounting structure are driven to be clamped in the mounting groove through the mounting ring, and the mounting ring is arranged on the outer ring body, so that the needle rollers, the limiting rings, the outer ring body and the mounting ring can be conveniently and rapidly arranged.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a schematic perspective view of the needle roller and stop collar of the present utility model;

FIG. 4 is a schematic perspective view of a mounting ring according to the present utility model;

FIG. 5 is an enlarged schematic view of the portion A of FIG. 2 according to the present utility model;

fig. 6 is an enlarged view of the B part of fig. 2 according to the present utility model.

Legend description: 1. an outer ring body; 2. a separator; 3. needle roller; 4. a limiting ring; 5. a mounting ring; 6. a first mounting structure; 601. a first fixing column; 602. a first outer cylinder; 603. a first inner cylinder; 604. a first baffle; 605. a first spring; 7. a second mounting structure; 701. a second fixing column; 702. a second outer cylinder; 703. a second spring; 704. a second inner cylinder; 705. a second baffle; 8. and a mounting groove.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

As shown in fig. 1-6, the utility model provides an oversized-load double-row spacer needle assembly convenient to install, which comprises an outer ring body 1, wherein a spacer body 2 is fixedly arranged at the inner side of the outer ring body 1, the longitudinal section of the spacer body 2 is in a T shape, the spacer body 2 is in a circular ring shape, the spacer body 2 is fixedly connected with the outer ring body 1, symmetrical needle needles 3 are movably arranged at two sides of the spacer body 2, the needle needles 3 are uniformly distributed at two sides of the spacer body 2 on the outer ring body 1, symmetrical limiting rings 4 are rotationally arranged on the outer wall of the needle needles 3, the limiting rings 4 are spacers, through holes matched with the needle needles 3 are formed in the limiting rings 4, the number of the limiting rings 4 is four, mounting grooves 8 are formed at two ends of the outer ring body 1 and the inner side of the mounting grooves 8, the mounting grooves 8 are movably mounted for supporting and mounting the first mounting structures 6, the mounting grooves 8 are used for supporting and mounting the second mounting structures 7, the first mounting structures 6 are fixedly arranged at one side of the mounting rings 5, which is close to the outer ring body 1, and the second mounting structures 7 are fixedly arranged at one side of the mounting rings 5, which is close to the outer ring 1.

In this embodiment, the mounting rings 5 have an L-shaped longitudinal section, the number of the mounting rings 5 is two, and the mounting rings 5 are used for supporting the first mounting structure 6 and the second mounting structure 7.

Further, the longitudinal section of the mounting groove 8 is in an inverted T shape, the mounting groove 8 is in a stepped cylindrical shape, the mounting groove 8 is formed in two ends of the outer ring body 1, and the mounting groove 8 is used for supporting the first mounting structure 6 and the second mounting structure 7.

The needle roller 3 is thin at two ends and thick in the middle, the diameter of the middle of the needle roller 3 is larger than that of the two ends of the needle roller, the needle roller 3 is formed by two smooth round platforms, and the needle roller 3 is used for rotating in the outer ring body 1 and the limiting ring 4.

For further improving the effect of quick installation, first mounting structure 6 is including fixed setting up at the first fixed column 601 of collar 5 near outer lane body 1 one side, the other end of first fixed column 601 is fixed to be equipped with first urceolus 602, fixed column 601 is used for connecting support to first urceolus 602 and collar 5, first urceolus 602 is just to the activity of one side of outer lane body 1 central axis be equipped with first inner tube 603, first spring 605 is used for first inner tube 603 to stretch out and draw back in first urceolus 602 inside, first inner tube 603 is used for supporting first fender 604, first fender 604 is used for collar 5 to be spacing in mounting groove 8 inside, first inner tube 603 is just to the fixed first fender 604 that is equipped with in one side of outer lane body 1 central axis, one side that first urceolus 602 is close to first inner tube 603 fixedly connected with first spring 605.

It is further added that the second mounting structure 7 comprises a second fixing column 701 fixedly arranged on one side, close to the outer ring body 1, of the mounting ring 5, the second fixing column 701 is used for fixedly supporting and connecting the mounting ring 5 and a second outer cylinder 702, the second outer cylinder 702 is fixedly arranged at the other end of the second fixing column 701, a second inner cylinder 704 is movably arranged on one side, far away from the central axis of the outer ring body 1, of the second outer cylinder 702, a second spring 703 is used for enabling the second inner cylinder 704 to stretch out and draw back inside the second outer cylinder 702, a second spring 703 is fixedly arranged on one side, far away from the central axis of the outer ring body 1, of the second inner cylinder 704, a second baffle 705 is fixedly arranged on one side, far away from the central axis of the outer ring body 1, of the second inner cylinder 704, and the second baffle 705 is used for limiting the mounting ring 5 in the inner portion of the fixing groove 8.

The application method and the working principle of the device are as follows: firstly, the needle roller 3 is inserted into the two limiting rings 4, the needle roller 3 and the limiting rings 4 are installed on two sides of the inner partition body 2 of the outer ring body 1, then the first installation structure 6 and the second installation structure 7 are driven by the installation ring 5 to be inserted into the installation groove 8 on the outer ring body 1, the installation ring 5 drives the first fixing column 601 to slide in the installation groove 8, the first baffle 604 and the first inner cylinder 603 compress the first spring 605 in the first outer cylinder 602, the second baffle 705 and the second inner cylinder 704 compress the second spring 703 in the second outer cylinder 702, meanwhile, the second baffle 705 and the second inner cylinder 704 compress the second spring 703, when the first baffle 604 and the second baffle 705 enter the installation groove 8, the first spring 605 and the second spring 703 are relaxed, the first baffle 604 and the second baffle 705 are clamped in the installation groove 8 completely, and the rapid installation of the installation ring 5 is facilitated.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. The utility model provides an extra-large load double spacer needle roller assembly convenient to installation, includes outer lane body (1), the inboard of outer lane body (1) is fixed and is equipped with spacer body (2), the both sides activity of spacer body (2) is equipped with symmetrical kingpin (3), the outer wall rotation of kingpin (3) is equipped with spacing ring (4) of symmetry, its characterized in that: the novel outer ring is characterized in that mounting grooves (8) are formed in two ends of the outer ring body (1), mounting rings (5) are movably mounted at two ends of the outer ring body (1) and on the inner sides of the mounting grooves (8), a first mounting structure (6) is fixedly arranged on one side, close to the outer ring body (1), of each mounting ring (5), and a second mounting structure (7) is fixedly arranged on one side, close to the outer ring body (1), of each mounting ring (5).

2. The extra-heavy-load double-row spacer needle roller assembly convenient to install according to claim 1, wherein: the longitudinal section of the mounting ring (5) is L-shaped, and the number of the mounting rings (5) is two.

3. The extra-heavy-load double-row spacer needle roller assembly convenient to install according to claim 1, wherein: the longitudinal section of the mounting groove (8) is in an inverted T shape, and the mounting groove (8) is in a stepped cylindrical shape.

4. The extra-heavy-load double-row spacer needle roller assembly convenient to install according to claim 1, wherein: the rolling pin (3) is thin at two ends and thick in the middle.

5. The extra-heavy-load double-row spacer needle roller assembly convenient to install according to claim 1, wherein: the first mounting structure (6) comprises a first fixing column (601) fixedly arranged on one side, close to the outer ring body (1), of the mounting ring (5), a first outer cylinder (602) is fixedly arranged on the other end of the first fixing column (601), a first inner cylinder (603) is movably arranged on one side, opposite to the central axis of the outer ring body (1), of the first outer cylinder (602), a first baffle body (604) is fixedly arranged on one side, opposite to the central axis of the outer ring body (1), of the first inner cylinder (603), and a first spring (605) is fixedly connected on one side, close to the first inner cylinder (603), of the first outer cylinder (602).

6. The extra-heavy-load double-row spacer needle roller assembly convenient to install according to claim 1, wherein: the second mounting structure (7) is including fixed second fixed column (701) that sets up in collar (5) and be close to outer lane body (1) one side, the other end of second fixed column (701) is fixed to be equipped with second urceolus (702), one side activity that outer lane body (1) central axis was kept away from to second urceolus (702) is equipped with second inner tube (704), one side that outer lane body (1) central axis was kept away from to second urceolus (702) is fixed to be equipped with second spring (703), one side that outer lane body (1) central axis was kept away from to second inner tube (704) is fixed to be equipped with second fender body (705).