CN212106609U - Composite roller bearing with rollers on two sides - Google Patents

Abstract

The utility model discloses a take compound roller bearing of two side gyro wheels, including the spindle nose, the base bearing, sealed shroud, the round pin axle, the side gyro wheel, briquetting and fastening screw, the base bearing sets up in the spindle nose outside, be equipped with ball support between spindle nose and the base bearing, two gyro wheel installation rooms have been seted up to a side symmetry of spindle nose, the gyro wheel installation room has the side gyro wheel through the round pin axle support, the middle part of sealed shroud links to each other with the base bearing rigid coupling through a plurality of fastening screw and covers the opening part at the gyro wheel installation room, the rectangle through-hole has been seted up to the lid symmetry of sealed shroud, be equipped with the briquetting between base bearing and the sealed shroud, the outer terminal. The utility model discloses a set up two side gyro wheels and replace traditional unilateral gyro wheels, avoid seting up too big cavity at the base bearing middle part, only need set up two less cavities, and leave sufficient interval in the middle of two less cavities, guarantee the holistic intensity performance of compound roller bearing through this kind of mode.

Description

Composite roller bearing with rollers on two sides

Technical Field

The utility model relates to a compound roller bearing technical field especially relates to a take compound roller bearing of two side gyro wheels.

Background

The composite roller bearing is assembled by the axial roller bearing and the radial roller bearing, so that the size of the bearing is reduced, and the installation structure is simplified, thereby reducing the manufacturing cost. The composite roller bearing has larger radial and axial bearing capacity, and each accessory has strong replaceability, and is increasingly applied to various gantry lifting systems. The composite roller bearing mainly comprises the following parts: 1) the mounting mode of the shaft head and the composite roller bearing is welding, and the specific mode is that the shaft head is welded with a plate with a round hole and then assembled with a portal; 2) the main roller is a main bearing body in the composite roller bearing and mainly bears the load in the vertical direction; 3) the side roller is a secondary bearing body in the composite roller bearing and mainly bears the load in the horizontal direction; 4) and the cover plate enables the main side roller shaft heads to be installed together to form a whole. The assembly mode of the composite roller bearing is as follows: the side idler wheels are installed inside the shaft head through pin shafts, the main idler wheel sleeves the outside of the shaft head, and the cover plate is fixed at the tail of the shaft head through nuts.

The traditional composite roller bearing has the defects in the use process, most of the traditional composite roller bearing is of a unilateral roller structure, so that the side rollers need to be designed into large sizes, and enough rolling contact surfaces can be ensured, so that a cavity formed in the center of a main bearing is large, the overall strength performance of the composite roller bearing is influenced, and optimization and improvement are needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above-mentioned problem that exists among the prior art, provide a take compound roller bearing of two side gyro wheels.

In order to realize the technical purpose, the technical effect is achieved, the utility model discloses a realize through following technical scheme:

a composite roller bearing with double-side rollers comprises a shaft head, a main bearing, a sealing cover, a pin shaft, side rollers, a pressing block and fastening screws, wherein the main bearing is arranged outside the shaft head, a ball support is arranged between the shaft head and the main bearing, two roller mounting chambers are symmetrically arranged on one side surface of the shaft head, the roller mounting chambers are supported by the side rollers through the pin shaft, the middle part of the sealing cover is fixedly connected with the main bearing through the fastening screws and is covered at an opening of the roller mounting chambers, two rectangular through holes convenient for exposing the side rollers are symmetrically arranged on a cover body of the sealing cover, the pressing block is arranged between the main bearing and the sealing cover, pin shaft mounting grooves convenient for placing the pin shaft are symmetrically arranged on two sides of each roller mounting chamber of the main bearing, the inner ends of the pin shaft mounting grooves are semicircular grooves matched with the shape of the pin shaft, and the outer, the inner end is provided with a semicircular pipe part matched with the pin shaft in shape.

Further, in the composite roller bearing with the double-sided rollers, the two side rollers have the same height with respect to the exposed portion of the seal cover.

Further, in the composite roller bearing with the rollers on the two sides, the length of the rectangular through hole is smaller than the radius of the sealing cover.

Furthermore, in the composite roller bearing with the rollers on the two sides, the middle part of the pin shaft is a rotating supporting area, and the two sides of the pin shaft are fixed areas; and a cylindrical needle roller bearing is arranged between the side roller and the rotating support area of the pin shaft.

Further, in the composite roller bearing with the rollers on both sides, the cover body of the sealing cover cap is provided with a T-shaped through hole matched with the fastening screw, and the main bearing is provided with an internal threaded hole matched with the fastening screw.

Further, in the composite roller bearing with the rollers on the two sides, the pressing block is made of wear-resistant stainless steel materials.

The utility model has the advantages that:

the utility model has the advantages of reasonable design, it replaces traditional unilateral gyro wheel through setting up two side gyro wheels, avoids offering too big cavity at the base bearing middle part, only needs to offer two less cavities, and leaves sufficient interval in the middle of two less cavities, ensures compound gyro wheel bearing holistic intensity performance through this kind of mode.

When the local abrasion is serious, only local replacement is needed, and integral replacement is not needed, so that the use cost is reduced.

Of course, it is not necessary for any product to achieve all of the above advantages simultaneously in practicing the invention.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic front sectional view of the composite roller bearing of the present invention;

FIG. 2 is a schematic diagram of the right-side view of the composite roller bearing of the present invention;

FIG. 3 is a schematic structural view of the middle pin shaft and the side roller of the present invention;

FIG. 4 is a schematic structural view of a pressing block of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1-shaft head, 2-main bearing, 3-sealing cover cap, 4-roller mounting chamber, 5-pin shaft, 6-side roller, 7-pressing block, 8-rectangular through hole and 9-fastening screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the present embodiment is a composite roller bearing with double-sided rollers, including a shaft head 1, a main bearing 2, a sealing cover 3, a pin 5, side rollers 6, a pressing block 7 and fastening screws 9, wherein the main bearing 2 is disposed outside the shaft head 1, a ball support is disposed between the shaft head 1 and the main bearing 2, two roller installation chambers 4 are symmetrically disposed on one side of the shaft head 1, the roller installation chambers 4 support the side rollers 6 through the pin 5, the middle portion of the sealing cover 3 is fixedly connected to the main bearing 2 through a plurality of fastening screws 9 and covers an opening of the roller installation chamber 4, two rectangular through holes 8 for exposing the side rollers 6 are symmetrically disposed on a cover body of the sealing cover 3, the pressing block 7 is disposed between the main bearing 2 and the sealing cover 3, the main bearing 2 is disposed on two sides of each roller installation chamber 4 and symmetrically disposed with a pin, the inner end of the pin shaft mounting groove is a semicircular groove matched with the pin shaft 5 in shape, the outer end face of the pressing block 7 is a plane convenient for being contacted with the sealing cover cap 3, the inner end of the pressing block is provided with a semicircular pipe part matched with the pin shaft 5 in shape, and the semicircular pipe part and the semicircular groove are matched to form a positioning rotary groove.

In this embodiment, the two side rollers 6 are equal in height with respect to the exposed portion of the sealing cover 3.

In this embodiment, the length of the rectangular through hole 8 is smaller than the radius of the sealing cover 3.

In this embodiment, the middle of the pin 5 is a rotation supporting area, and the two sides are fixing areas; a cylindrical needle roller bearing is arranged between the side roller 6 and the rotation supporting area of the pin shaft 5.

In this embodiment, the cover body of the sealing cover 3 is provided with a T-shaped through hole engaged with the fastening screw 9, and the main bearing 2 is provided with an internal threaded hole engaged with the fastening screw 9.

In this embodiment, the pressure block 7 is made of a wear-resistant stainless steel material. According to the requirement, a rubber cushion plate can be arranged between the pressing block 7 and the sealing cover 3, so that the pressing effect is improved.

One specific application of this embodiment is: the structural design of this embodiment is reasonable, and it is through setting up two side gyro wheels 6 and replacing traditional unilateral gyro wheels, avoids offering too big cavity at main bearing 2 middle part, only needs to offer two less cavities, and leaves sufficient interval in the middle of two less cavities, guarantees the holistic intensity performance of compound gyro wheel bearing through this kind of mode.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (6)

1. The utility model provides a compound roller bearing of two side gyro wheels in area, includes spindle nose, base bearing, sealed shroud, round pin axle, side gyro wheel, briquetting and fastening screw, the base bearing sets up in the spindle nose outside, be equipped with ball support, its characterized in that between spindle nose and the base bearing: two gyro wheel installation rooms have been seted up to a side symmetry of spindle nose, the gyro wheel installation room has the side gyro wheel through round pin axle support, the middle part of sealed shroud links to each other with the main bearing solid through a plurality of fastening screws and covers the opening part at the gyro wheel installation room, two rectangle through-holes that are convenient for expose the side gyro wheel are seted up to the lid symmetry of sealed shroud, be equipped with the briquetting between main bearing and the sealed shroud, the bilateral symmetry that the main bearing is located every gyro wheel installation room is seted up and is convenient for place the round pin axle mounting groove of round pin axle, the inner of round pin axle mounting groove be with round pin axle shape complex semicircle groove, the outer terminal surface of briquetting is for the plane of being convenient for with the contact of sealed shroud.

2. The double-sided roller-equipped composite roller bearing according to claim 1, wherein: the two side rollers are equal in height with respect to the exposed portion of the sealing cover.

3. The double-sided roller-equipped composite roller bearing according to claim 1, wherein: the length of the rectangular through hole is smaller than the radius of the sealing cover cap.

4. The double-sided roller-equipped composite roller bearing according to claim 1, wherein: the middle part of the pin shaft is a rotating supporting area, and the two sides of the pin shaft are fixed areas; and a cylindrical needle roller bearing is arranged between the side roller and the rotating support area of the pin shaft.

5. The double-sided roller-equipped composite roller bearing according to claim 1, wherein: the cover body of the sealing cover cap is provided with a T-shaped through hole matched with the fastening screw, and an internal thread hole matched with the fastening screw is arranged in the main bearing.

6. The double-sided roller-equipped composite roller bearing according to claim 1, wherein: the pressing block is made of wear-resistant stainless steel materials.

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