CN214534367U

CN214534367U - Driving friction wheel device

Info

Publication number: CN214534367U
Application number: CN202022637503.3U
Authority: CN
Inventors: 许文
Original assignee: Nanjing Feida Machinery Co ltd
Current assignee: Nanjing Feida Machinery Co ltd
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-10-29
Anticipated expiration: 2030-11-13

Abstract

The utility model discloses an active friction wheel device, which relates to the technical field of transmission equipment and comprises a driving shaft and an active friction wheel, wherein the driving shaft is provided with two symmetrical first positioning keys, four identical baffle rings which are opposite in pairs are fixedly clamped on the shaft body of the driving shaft, a gland is clamped between every two opposite baffle rings, the outer side surface of the gland is provided with a bearing seat, the positions of the bearing seats are limited in the two symmetrical baffle rings, the two bearing seats are symmetrical with each other, and the bearing seats are tightly attached to the opposite surfaces of the two baffle rings; the stop ring is tightly attached to the driving friction wheel, the driving shaft is provided with two symmetrical second positioning keys, one side face of the driving friction wheel is provided with a non-return baffle, and a driving wheel fixing bolt and a driving shaft fixing bolt are in threaded connection with the non-return baffle; the outer wheel of the driving friction wheel is clamped with a friction belt. The utility model discloses an aspect has reduced the resistance when driving shaft and action wheel rotate, and on the other hand has increased the frictional force of action wheel surface, and convenient assembling is fit for promoting.

Description

Driving friction wheel device

Technical Field

The utility model belongs to the transmission equipment technique, concretely relates to initiative friction pulley device.

Background

In recent years, a ring cooler has been used to cool hot sintered ore discharged from a sintering machine, and a driving device of the ring cooler is composed of two sets of transmission systems forming an angle of 162 ° with each other. Each system consists of a motor, a speed reducer, a driving friction wheel and a driven friction wheel. It features that the two systems are identical to provide the same power and motion. The two systems are both hung on a fixed portal frame, and the whole transmission system can rotate a little around a shaft on the portal frame to absorb the vibration of the revolving frame in the operation process. The friction plate connected to the rotary frame by screws can do circular motion around the inner and outer horizontal tracks under the drive of the friction wheel, and under the condition of long-term operation of the circular cooler, the phenomena of slipping of a driving wheel of a driving device and the like can occur on the surface of the curved rail and the driving friction wheel, so that the work is influenced; in order to avoid the phenomenon, the embodiment provides the driving friction wheel device which is convenient to assemble, small in resistance when the driving friction wheel rotates and large in friction force when the driving friction wheel contacts with the curved rail surface.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an initiative friction pulley device, simple structure, easily operation has reduced the resistance when driving shaft and action wheel rotate on the one hand, and on the other hand has increased the frictional force of action wheel surface, and convenient assembling is fit for promoting.

The utility model provides a following technical scheme: a driving friction wheel device comprises a driving shaft, two retaining rings, a gland, a rolling shaft, a shaft center rod, a driving friction wheel and a retaining baffle, wherein a shaft body on one side of the driving shaft, which is far away from the driving friction wheel, is provided with two symmetrical positioning keys;

one side, away from the first positioning key, of the blocking ring is tightly attached to the driving friction wheel, two second positioning keys which are symmetrical are arranged on the shaft body of one side, away from the first positioning key, of the driving shaft, the driving friction wheel is located on the driving shaft and is fixedly connected with the driving shaft through the second positioning keys, a non-return baffle is arranged on one side, away from the blocking ring, of the driving friction wheel, the circle center of the non-return baffle and the circle center of the driving shaft are located on the same straight line, and a driving wheel fixing bolt and a driving shaft fixing bolt are in threaded connection with the non-return baffle;

the driving friction wheel outer wheel is provided with semicircular depressions which are uniformly distributed on the surface, clamping grooves which surround a circle are formed in the left side and the right side of the outer wheel, and a friction belt is fixedly clamped between the depressions and the clamping grooves.

Preferably, two thirds of the rolling shaft are positioned in the gland and are not in contact with the gland, the shaft center rod penetrates through the circle center of the rolling shaft and is in rolling connection with the gland in a penetrating mode, the two ends of the shaft center rod are provided with the baffles, the rolling shaft penetrates through the gland on the driving shaft and is evenly distributed in a circumferential mode, the rolling shaft is in rolling contact with the driving shaft, and the number of each circle is twelve.

Preferably, a driving shaft screw hole is formed in one end face, close to the second positioning key, of the driving shaft, a driving wheel screw hole is formed in one side face, close to the driving shaft screw hole, of the driving friction wheel, and the driving shaft fixing bolt and the driving wheel fixing bolt correspond to and are matched with the driving shaft screw hole and the driving wheel screw hole in positions.

Preferably, the outer surface of the friction belt is a rough wear-resistant material layer, and the thicknesses of the bearing seats are gradually reduced from the outer sides which are symmetrical to each other layer by layer.

The utility model has the advantages that: on the one hand, the resistance of the driving shaft and the driving wheel during rotation is reduced, on the other hand, the friction force on the outer surface of the driving wheel is increased, and the assembly is convenient and is suitable for popularization.

The method comprises the following specific steps:

(1) the utility model discloses a roller bearing and 1 rolling contact of driving shaft, when driving shaft 1 is rotatory, rolling resistance is littleer to adopt the design of two pressure lids, improved the stability of device.

(2) The friction belt is a rough wear-resistant material layer, and after the friction belt is contacted with the curved rail, the friction force is large and the outer ring of the driving friction wheel is protected.

(3) The utility model discloses a two liang of symmetrical fixed sheathes in the driving shaft of four fender rings, keep off the ring endotheca relatively and have the gland, the cover has the bearing seat on the gland, and the initiative friction pulley overlaps on the driving shaft, utilizes the stopping baffle to fix initiative friction pulley and driving shaft as an organic whole, makes whole device dismantlement installation more convenient.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is an overall schematic view of the present invention;

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

FIG. 3 is a schematic view of the driving shaft sleeved with the driving friction wheel of the present invention;

FIG. 4 is a schematic view of the joint between the middle gland and the driving shaft of the present invention;

labeled as: the device comprises a driving shaft 1, a first positioning key 2, a retaining ring 3, a gland 4, a rolling shaft 5, a shaft center rod 6, a bearing seat 7, a driving friction wheel 8, a friction belt 9, a second positioning key 10, a driving wheel fixing bolt 11, a driving shaft fixing bolt 12, a backstop baffle 13, a driving wheel screw hole 14 and a driving shaft screw hole 15.

Detailed Description

The present invention will be further described with reference to the following specific examples. These examples are provided only for illustrating the present invention and are not intended to limit the scope of the present invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The structural features of the present invention will now be described in detail with reference to the accompanying drawings.

Referring to fig. 1-2, an active friction wheel device comprises an active shaft 1, a baffle ring 3, a gland 4, a rolling shaft 5, an axle center rod 6, an active friction wheel 8 and a retaining baffle 13, two symmetrical first positioning keys 2 are arranged on the shaft body of one side of the driving shaft 1 far away from the driving friction wheel 8, the driving shaft 1 is fixedly combined with the transmission device by utilizing the first positioning keys 2, four identical baffle rings 3 which are opposite in pairs are fixedly clamped on the shaft body of the driving shaft 1, a gland 4 is clamped between every two opposite baffle rings 3, a bearing seat 7 is tightly attached to the outer side surface of the gland 4, the baffle ring 3 plays a role of fixing the bearing seat 7 of the gland 4, the positions of the bearing seats 7 are limited in two symmetrical baffle rings 3, and the two bearing seats 7 are symmetrical with each other, the driving shaft 1 is fixed by fixing the bearing seats 7 and the frame, and the bearing seats 7 are tightly attached to the opposite surfaces of the two baffle rings 3.

Referring to fig. 2-3, one side of the retaining ring 3 away from the first positioning key 2 is tightly attached to the driving friction wheel 8, one side of the driving shaft 1 away from the first positioning key 2 is provided with two second positioning keys 10, the driving friction wheel 8 is fixed on the driving shaft 1 by using the second positioning keys 10, one side of the driving friction wheel 8 away from the retaining ring 3 is provided with a non-return baffle 13, the circle center of the non-return baffle 13 and the circle center of the driving shaft 1 are located on the same straight line, a driving shaft fixing bolt 11 is in threaded connection with the non-return baffle 13, a driving shaft fixing bolt 12 is provided, one end of the driving shaft 1 close to the second positioning key 10 is provided with a driving shaft screw hole 15, the driving shaft fixing bolt 8 close to the driving shaft screw hole 15 is provided with a driving shaft screw hole 14, the driving shaft side fixing bolt 12, the driving shaft fixing bolt 11, the driving shaft screw hole 15 and the driving shaft screw hole 14 are in corresponding positions and matched with each other, the driving shaft 1, the driving friction wheel 8 and the retaining baffle 13 are fixed into a whole by a driving wheel fixing bolt 11 and a driving shaft fixing bolt 12.

Referring to fig. 2, semi-circular depressions are uniformly distributed on the surface of the outer wheel of the driving friction wheel 8, clamping grooves surrounding a circle are formed in the left side and the right side of the outer wheel, a friction belt 9 is fixedly clamped on the outer wheel of the driving friction wheel 8 through the depressions and the clamping grooves, and the friction force between the friction belt 9 and a curved rail is improved and the driving friction wheel 8 is protected due to the fact that the friction belt 9 is made of a rough wear-resistant material on the surface.

Referring to fig. 4, two thirds of the roller 5 are located in the gland 4 and are not in contact with the gland 4, the axle center rod 6 penetrates through the center of the circle of the roller 5 and is in rolling connection with the gland 4, so that the roller 5 can rotate freely, the two ends of the axle center rod 6 are provided with the baffles to prevent the roller 5 from falling off from the gland 4, the roller 5 is uniformly distributed on the driving shaft 1 at the position where the roller 5 penetrates through the gland 4, the roller 5 is in rolling contact with the driving shaft 1, and the number of each circle is twelve, so that the rolling connection between the roller 5 and the driving shaft 1 is realized.

The utility model discloses an initiative friction pulley device, simple structure, easily operation, the utility model discloses a roller bearing 5 and 1 rolling contact of driving shaft, when driving shaft 1 is rotatory, rolling resistance is littleer to adopt the design of two glands 4, improved the stability of device. Semicircular depressions are uniformly distributed on the surface of the outer ring of the driving friction wheel 8, grooves surrounding a circle are formed in the two side faces of the outer ring, the shape of the friction belt 9 is matched with that of the depressions and the grooves, the surface of the friction belt 9 is a rough wear-resistant material layer, the friction force is large after the friction belt is in contact with a curved rail, and the outer ring of the driving friction wheel is protected. The utility model discloses a four keep off ring 3 two liang of symmetrical fixed sheathes in driving shaft 1, keep off ring 3 endotheca relatively and have gland 4, and the cover has bearing seat 7 on gland 4, and the driving friction pulley 8 overlaps on driving shaft 1, utilizes stopping 13 baffle to fix driving friction pulley 8 and driving shaft 1 as an organic whole, and it is more convenient to make whole device dismantle the installation.

Specifically, referring to fig. 1-2, the stop ring 3, the gland 4, and the bearing seat 7 near one side of the first positioning key 2 are sequentially inserted into the corresponding positions on the driving shaft 1 from one side of the first positioning key 2, the driving shaft 1 is fixed to the transmission device through the first positioning key 2, the stop ring 3, the gland 4, and the bearing seat 7 near one side of the driving friction wheel 8 are inserted into the corresponding positions on the driving shaft 1 from one side near the driving friction wheel 8, the friction belt 9 is inserted into the outer wheel surface of the driving friction wheel 8, the driving friction wheel 8 is inserted into the driving shaft 1, the retaining baffle 13 is fixed to the driving friction wheel 8 through the driving wheel fixing bolt 11, the driving shaft fixing bolt 12 is fixed to the driving shaft 1 and the driving friction wheel 8, the friction belt 9 is adjusted to be in a curved rail contact, and when the driving friction wheel 8 rotates, the curved rail is required to be perpendicular to the axis of the driving friction wheel 8 in the speed direction of the contact with the driving friction wheel 8 (i.e., the tangent line of the driving friction wheel 8 at the position).

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A driving friction wheel device comprises a driving shaft (1), baffle rings (3), a gland (4), a rolling shaft (5), an axis rod (6), a driving friction wheel (8) and a retaining baffle (13), and is characterized in that two symmetrical first positioning keys (2) are arranged on a shaft body of one side, far away from the driving friction wheel (8), of the driving shaft (1), four identical baffle rings (3) which are opposite in pairs are fixedly clamped on the shaft body of the driving shaft (1), a gland (4) is clamped between every two opposite baffle rings (3), a bearing seat (7) is arranged on the outer side surface of the gland (4), the positions of the bearing seats (7) are limited in the two symmetrical baffle rings (3), the two bearing seats (7) are symmetrical with each other, and the bearing seats (7) are tightly attached to opposite surfaces of the two baffle rings (3);

one surface, far away from the first positioning key (2), of the retaining ring (3) is tightly attached to the driving friction wheel (8), two symmetrical second positioning keys (10) are arranged on a shaft body of one side, far away from the first positioning key (2), of the driving shaft (1), the driving friction wheel (8) is located on the driving shaft (1) and is fixedly connected with the driving shaft (1) through the second positioning keys (10), a non-return baffle (13) is arranged on one side face, far away from the retaining ring (3), of the driving friction wheel (8), the circle center of the non-return baffle (13) and the circle center of the driving shaft (1) are located on the same straight line, and a driving wheel fixing bolt (11) and a driving shaft fixing bolt (12) are in threaded connection with the non-return baffle (13);

the driving friction wheel (8) is characterized in that the surface of the outer wheel of the driving friction wheel (8) is provided with semicircular depressions which are uniformly distributed, the left side and the right side of the outer wheel are provided with clamping grooves which encircle a circle, and the outer wheel of the driving friction wheel (8) is fixedly clamped with the clamping grooves through the depressions to form friction belts (9).

2. The driving friction wheel device according to claim 1, wherein two thirds of the rollers (5) are located in the gland (4) and are not in contact with the gland (4), the axle center rod (6) is located at the center of the roller (5) and penetrates through the rollers (5), the axle center rod (6) is in rolling connection with the gland (4) in a penetrating manner, two ends of the axle center rod (6) are provided with baffles, the rollers (5) are uniformly and circumferentially distributed at the position of the driving shaft (1) penetrating through the gland (4), and the rollers (5) are in rolling contact with the driving shaft (1) and are twelve in number per circle.

3. The driving friction wheel device according to claim 1, wherein a driving shaft screw hole (15) is formed in one end face of the driving shaft (1) close to the second positioning key (10), a driving wheel screw hole (14) is formed in one side face of the driving friction wheel (8) close to the driving shaft screw hole (15), and the driving shaft fixing bolt (12) and the driving wheel fixing bolt (11) correspond to and are matched with the driving shaft screw hole (15) and the driving wheel screw hole (14) in position.

4. The active friction wheel device according to claim 1, characterized in that the outer surface of the friction belt (9) is a rough layer of wear-resistant material, and the bearing seats (7) are gradually decreased from the outer side thickness symmetrical to each other.