CN216867438U

CN216867438U - Chain wheel mounting structure

Info

Publication number: CN216867438U
Application number: CN202220471388.3U
Authority: CN
Inventors: 孙善林
Original assignee: Zhejiang Hui Lin Intelligent Equipment Co ltd
Current assignee: Zhejiang Hui Lin Intelligent Equipment Co ltd
Priority date: 2022-03-04
Filing date: 2022-03-04
Publication date: 2022-07-01
Anticipated expiration: 2032-03-04

Abstract

The utility model relates to the technical field of chain wheel installation, in particular to a chain wheel installation structure which comprises a wall plate, a chain wheel, tapered roller bearings and a shed disc, wherein the chain wheel is provided with a chain wheel shaft, the chain wheel shaft between the chain wheel shaft and the shed disc is provided with at least two tapered roller bearings, the installation directions of the at least two tapered roller bearings on the chain wheel shaft are opposite, and the tapered roller bearings are arranged on the wall plate. The chain wheel mounting structure can improve the axial load bearing capacity of the chain wheel assembled on the wall plate so as to ensure the stability of equipment in the high-speed operation process.

Description

Chain wheel mounting structure

Technical Field

The utility model relates to the technical field of chain wheel installation, in particular to a chain wheel installation structure.

Background

In the prior art, a chain wheel on a jacquard adopts an integral structure, a chain wheel shaft on the chain wheel is sleeved with a deep groove ball bearing, and the bearing is fixed on a wall plate by utilizing a bearing cover. However, with the requirements on the number of jacquard fabrics being higher and the speed being higher and higher, the performance requirements of the jacquard are improved, and the radial force and the axial force applied to the chain wheel and the chain wheel shaft in the operation process of the jacquard are greatly improved. Therefore, the traditional deep groove ball bearing can bear low axial load, and is easy to cause the retainer to be cracked when being used on a jacquard machine with higher axial impact load, thereby influencing the normal operation of equipment.

SUMMERY OF THE UTILITY MODEL

The utility model provides a chain wheel mounting structure for solving the technical defects, which can effectively increase the axial load borne by a chain wheel in the using process.

The utility model discloses a chain wheel mounting structure which comprises a wall plate, a chain wheel, tapered roller bearings and a shed disc, wherein the chain wheel is provided with a chain wheel shaft, the shed disc is arranged on the chain wheel shaft, the chain wheel shaft between the chain wheel and the shed disc is provided with at least two tapered roller bearings, the mounting directions of the at least two tapered roller bearings on the chain wheel shaft are opposite, a gasket is arranged between the tapered roller bearings, and the tapered roller bearings are arranged on the wall plate.

In the above scheme, be fixed or integrative structure between sprocket shaft and the sprocket, the sprocket shaft then sets up on the wallboard through two at least tapered roller bearings, and tapered roller bearing's installation opposite direction, is equipped with the gasket between two tapered roller bearings. Because the tapered roller bearings have the capability of bearing unidirectional axial load, the axial bearing capability of the chain wheel shaft is increased by utilizing at least two tapered roller bearings with opposite installation directions, so that the jacquard machine is suitable for high-performance jacquard machines, and the radial bearing capability of the chain wheel can be improved.

The wall plate is provided with a bearing sleeve, one end of the bearing sleeve is provided with a bearing gland, the bearing sleeve and the bearing gland form an annular clamping groove, and the outer ring of the tapered roller bearing is arranged in the annular clamping groove. The radial cross section of the bearing sleeve is of an L-shaped structure, and an annular clamping groove is formed after the bearing sleeve is matched with a bearing gland at the end part, so that the bearing is conveniently assembled and fixed. The bearing sleeve can be fixed on the wallboard, or can be processed into the form of the bearing sleeve on the wallboard, namely the bearing sleeve and the wallboard are integrated, and the bearing gland and the bearing sleeve limit the outer ring of the tapered roller bearing so as to realize the fixation of the tapered roller bearing and the chain wheel shaft on the wallboard.

An oil filling channel is arranged on the bearing sleeve, the oil filling channel extends into the annular clamping groove from the outer side of the bearing sleeve, and an oil filling nozzle is arranged on the oil filling channel on the outer side of the bearing sleeve. Through the design of the oil filling nozzle and the oil filling channel on the bearing sleeve, oil can be filled in the bearing, and the oil can be filled regularly after the bearing is used for a certain time, so that the normal operation of the bearing is ensured. The deep groove ball bearing applied to the traditional jacquard machine cannot be oiled.

The shuttle port disc and the chain wheel are respectively arranged at two ends of the chain wheel shaft, and the inner ring of the tapered roller bearing is fixed on the chain wheel shaft between the shuttle port disc and the chain wheel. A step protruding outward may be provided on the sprocket shaft near one end of the sprocket for abutting against the inner race of the tapered roller bearing on the one side, and the inner race of the tapered roller bearing on the other side is defined by the shed disk, thereby fixing the tapered roller bearing on the sprocket shaft to the sprocket shaft. Of course, the step may not be provided, and the tapered roller bearing on the side is directly abutted against the sprocket. Above-mentioned scheme can make things convenient for the assembly of sprocket on the sprocket shaft, and is fixed also simple and convenient to it simultaneously.

The chain wheel and the chain wheel shaft are of a split structure and are connected through bolts. The chain wheel and the chain wheel shaft can be of an integral structure or a split structure. If the structure is a split structure, bolts can be adopted for fixed connection. When the chain wheel and the chain wheel shaft are of split structures, the chain wheel and the chain wheel shaft are simpler and more convenient to process, and the processing cost is reduced.

Because a position difference exists between the inner ring and the outer ring of the tapered roller bearing, a gasket is arranged between the inner ring and the outer ring of two adjacent tapered roller bearings, so that the bearing roller and the inner ring and the outer ring cannot be fixed, and the positions of the inner ring and the outer ring between the adjacent tapered roller bearings are kept stable after being pressed.

The chain wheel mounting structure can improve the axial load bearing capacity of the chain wheel assembled on a wall plate so as to ensure the stability of equipment in a high-speed operation process.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

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

fig. 3 is a perspective view of the present invention. (not shown wallboard)

Detailed Description

To further illustrate the technical means and effects of the present invention for achieving the intended purpose of the utility model, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.

Example 1:

as shown in fig. 1, 2 and 3, the utility model discloses a sprocket mounting structure, which comprises a wall plate 1, a sprocket 3 and a shed disc 2, wherein a sprocket shaft 4 is arranged on the sprocket 3, the shed disc 2 is arranged on the sprocket shaft 4, two tapered roller bearings 5 are arranged on the sprocket shaft 4 between the shed disc 2 and the sprocket 3, the mounting directions of the two tapered roller bearings 5 on the sprocket shaft 4 are opposite, and the tapered roller bearings 5 are arranged on the wall plate 1. Of course, in other embodiments, the number of the tapered roller bearings 5 may be three or more, and at least one tapered roller bearing 5 is installed in a direction opposite to that of the other tapered roller bearings 5.

In the above scheme, the chain wheel shaft 4 and the chain wheel 3 are fixed or integrated, the chain wheel shaft 4 is arranged on the wall plate 1 through at least two tapered roller bearings 5, and the mounting directions of the tapered roller bearings 5 are opposite. Because the tapered roller bearings 5 have the capability of bearing unidirectional axial load, the axial bearing capability of the chain wheel shaft 4 is increased by utilizing at least two tapered roller bearings 5 with opposite installation directions, so that the jacquard machine is suitable for high-performance jacquard machines, and the radial bearing capability of the chain wheel 3 can be improved.

Be provided with bearing housing 6 on wallboard 1, be provided with bearing cover 7 in the one end of bearing housing 6, bearing housing 6 forms an annular clamping groove with bearing cover 7, tapered roller bearing 5's outer lane sets up in annular clamping groove. The radial section of the bearing sleeve 6 is of an L-shaped structure, and an annular clamping groove is formed after the bearing sleeve is matched with the bearing gland 7 at the end part, so that the bearing is conveniently assembled and fixed. The bearing sleeve 6 is fixed on the wall plate 1, and the bearing gland 7 and the bearing sleeve 6 limit the outer ring of the tapered roller bearing 5 so as to fix the tapered roller bearing 5 and the chain wheel shaft 4.

An oil filling channel 8 is arranged on the bearing sleeve 6, the oil filling channel 8 extends into the annular clamping groove from the outer side of the bearing sleeve 6, and an oil filling nozzle 9 is arranged on the oil filling channel 8 on the outer side of the bearing sleeve 6. Through the design of the oiling nozzle 9 and the oiling channel 8 on the bearing sleeve 6, the oil can be added into the bearing, and the oil can be added regularly after being used for a certain time, so that the normal operation of the bearing is ensured. The traditional deep groove ball bearing cannot be oiled.

The shuttle plate 2 is arranged on the chain wheel shaft 4 at the end which is not provided with the chain wheel 3, and the inner ring of the tapered roller bearing 5 is fixed on the chain wheel shaft 4 between the shuttle plate 2 and the chain wheel 3. A step protruding outward may be provided on the sprocket shaft 4 near one end of the sprocket 3 for abutting against the inner race of the tapered roller bearing 5 on the one side, and the inner race of the tapered roller bearing 5 on the other side is defined by the shed disk 2, thereby fixing the tapered roller bearing 5 on the sprocket shaft 4 to the sprocket shaft 4. Of course, the step may not be provided, and the tapered roller bearing 5 on the side is directly abutted against the sprocket 3. Above-mentioned scheme can make things convenient for the assembly of sprocket 3 on sprocket shaft 4, and is fixed also simple and convenient to it simultaneously.

The chain wheel 3 and the chain wheel shaft 4 are of split structures and are connected through bolts. Therefore, in other embodiments, a step may be provided on the sprocket shaft 4 near one end of the shed disk 2 for abutting against the inner race of the tapered roller bearing 5, and the other end may abut against the inner race of the tapered roller bearing 5 through the sprocket 3 to fix the inner race of the tapered roller bearing 5 to the sprocket shaft 4. The sprocket 3 and the sprocket shaft 4 may be integrated or separated. If the structure is a split structure, bolts can be adopted for fixed connection. When the chain wheel 3 and the chain wheel shaft 4 are of split structures, the chain wheel and the chain wheel shaft are simpler and more convenient to process, and the processing cost is reduced.

Since there is a positional difference between the inner ring and the outer ring of the tapered roller bearing 5, a spacer 10 is provided between the inner ring or the outer ring of two adjacent tapered roller bearings 5, so that the inner ring and the outer ring between the adjacent tapered roller bearings 5 are kept stable.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be a mechanical connection; they may be directly connected or indirectly connected through intervening media, or may be in the interactive relationship of two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

Although the present invention has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the present invention.

Claims

1. The utility model provides a sprocket mounting structure which characterized by: including wallboard, sprocket, tapered roller bearing, shed dish, be provided with the sprocket shaft on the sprocket, the shed dish sets up on the sprocket shaft, is provided with two at least tapered roller bearings on the sprocket shaft between sprocket and shed dish, and at least wherein two tapered roller bearings are opposite at the epaxial installation direction of sprocket, is provided with the gasket between the tapered roller bearing, tapered roller bearing sets up on the wallboard.

2. A sprocket mounting structure as set forth in claim 1, wherein: the wall plate is provided with a bearing sleeve, one end of the bearing sleeve is provided with a bearing gland, the bearing sleeve and the bearing gland form an annular clamping groove, and the outer ring of the tapered roller bearing is arranged in the annular clamping groove.

3. A sprocket mounting structure as set forth in claim 2, wherein: an oil filling channel is arranged on the bearing sleeve, the oil filling channel extends into the annular clamping groove from the outer side of the bearing sleeve, and an oil filling nozzle is arranged on the oil filling channel on the outer side of the bearing sleeve.

4. A sprocket mounting structure as set forth in claim 1, 2 or 3, wherein: the chain wheel and the chain wheel shaft are of a split structure and are connected through bolts.