CN212768206U

CN212768206U - Mineral conveyor roller mechanism

Info

Publication number: CN212768206U
Application number: CN202021349066.9U
Authority: CN
Inventors: 赵阳培
Original assignee: Jiangsu Jianzhu Institute
Current assignee: Jiangsu Jianzhu Institute
Priority date: 2020-07-10
Filing date: 2020-07-10
Publication date: 2021-03-23
Anticipated expiration: 2030-07-10

Abstract

The utility model discloses an idler mechanism of a mineral conveyor, which belongs to the technical field of mine construction equipment. It includes a rotating shaft, a middle idler set on the rotating shaft, two side idlers, and a power device for driving the rotating shaft; the two ends of the rotating shaft are rotatably installed with side supports, and the middle of the rotating shaft is rotatably installed with an intermediate support; The side idler includes three separate first tapered rollers, second tapered rollers, and third tapered rollers; the first tapered rollers, the second tapered rollers, and the third tapered rollers are installed in sequence. on the reel. The utility model divides the conical side idler into three equal parts, and the diameter difference between the inner and outer ends of each part is small, which reduces the friction loss to the conveyor belt; and the relative friction part is divided into three equal parts, so that the friction on the conveyor belt is more uniform. , prolong the service life and maintenance cycle of the conveyor belt, improve production efficiency and reduce production costs.

Description

Roller mechanism of mineral conveyor

Technical Field

The utility model relates to a mine architectural equipment technical field specifically is a mineral conveyer bearing roller mechanism.

Background

In mining, the mineral is usually conveyed by a conveyor, and in order to increase the mineral conveying capacity and protect the conveyor belt of the conveyor, idlers are usually mounted at equal distances at the bottom of the conveyor belt. The current carrier roller mechanism can only play a bearing role on the conveying belt, and most of transmission mechanisms of the conveying belt are rotating motors from two ends of the conveying belt.

In order to enable the carrier roller mechanism to provide certain power for conveying, the Chinese patent discloses a carrier roller mechanism (CN 206013690U) of a mountain mechanical conveyor, which comprises a bottom plate, a left support and a right support, wherein the left support and the right support are respectively installed on two sides of the top of the bottom plate, fixed lock catches are respectively arranged on the tops of the left support and the right support, the fixed lock catches on the tops of the left support and the right support are connected through a connecting shaft, a rotating gear is installed at the left end of the connecting shaft, a power motor is installed on the inner side of the left support, a rotating shaft is arranged at the left end of the power motor, a transmission gear is installed at one end, far away from the power motor, of the rotating shaft, and the. The utility model discloses a through the motor power, drive gear, running gear, drive chain and the axle that links that sets up to and at the side roller and the bottom roll of linking epaxial installation, make this mining machinery conveyer's bearing roller mechanism reach the effect of supplementary transport mineral.

The technology has the following defects:

in order to enable the bottom roller and the two side rollers to have a uniform transmission shaft, the bottom roller and the side rollers are horizontally coaxial, and the side rollers are of a conical structure. The side roller rolls to provide certain power for the upper conveyer belt;

however, because the side roller is in a conical structure, the diameters of the inner end and the outer end of the side roller are greatly different, and the linear speed is greatly different. Because the same section speed of the conveying belt is inevitably equal, the inner end and the outer end of the side roller and the conveying belt inevitably have larger relative movement, the friction loss of the conveying belt is increased, and the service life of the conveying belt is greatly influenced.

Disclosure of Invention

For solving above-mentioned technical problem, reduce the relative motion of side roller and conveyer belt, reduce the conveyer belt friction loss, the utility model provides a mineral conveyer bearing roller mechanism.

The utility model discloses a following technical scheme realizes: a roller mechanism of a mineral conveyor comprises a rotating shaft, a middle roller, two side rollers and a power device, wherein the middle roller, the two side rollers and the power device are sleeved on the rotating shaft; two ends of the rotating shaft are rotatably provided with side supports, and the middle part of the rotating shaft is rotatably provided with a middle support; the side carrier roller comprises a first conical roller, a second conical roller and a third conical roller which are separated; the first conical roller, the second conical roller and the third conical roller are sequentially arranged on the rotating shaft; the first conical roller is connected with the rotating shaft through an inner key; the end surface of the outer side of the first conical roller is provided with a shaft center hole; the second conical roller is rotatably connected with the rotating shaft and is positioned on the outer side of the first conical roller; the inner end surface of the second conical roller is provided with a convex second central turntable which is rotatably sleeved in the shaft center hole of the first conical roller; the end face of the outer side of the second conical roller is provided with a shaft center hole; the third conical roller is rotatably connected with the rotating shaft and is positioned outside the second conical roller; and the inner end surface of the third conical roller is provided with a convex third central turntable, and the third central turntable is rotatably sleeved in the second conical roller shaft center hole.

It further comprises the following steps: the outer side end face of the first conical roller is provided with an outer side mounting groove, and the inner end face of the second conical roller is provided with an inner side mounting groove; the outer side mounting groove of the first conical roller is opposite to the inner side mounting groove of the second conical roller, and a first wear-resistant gasket is mounted in the outer side mounting groove of the first conical roller and the inner side mounting groove of the second conical roller; the circumferential surface of the first wear-resistant washer is a conical surface, and the circumferential surface of the first wear-resistant washer is aligned with the circumferential surfaces of the first conical roller and the second conical roller.

The outer end face of the second conical roller is provided with an outer side mounting groove, and the inner end face of the third conical roller is provided with an inner side mounting groove; the outer side mounting groove of the second conical roller is opposite to the inner side mounting groove of the third conical roller, and a second wear-resistant gasket is mounted in the outer side mounting groove of the second conical roller and the inner side mounting groove of the third conical roller; the circumferential surface of the second wear-resistant washer is a conical surface, and the circumferential surface of the second wear-resistant washer is aligned with the circumferential surfaces of the second conical roller and the third conical roller.

The power device comprises a speed reducing motor, a belt wheel is installed at one end of the rotating shaft, and an output shaft of the speed reducing motor is connected with the belt wheel through a transmission belt.

And two sides of the side carrier roller are provided with shaft check rings which are arranged in a sink groove formed in the rotating shaft.

Compared with the prior art, the beneficial effects of the utility model are that: the conical side carrier roller is divided into three parts, the diameter difference between the inner end and the outer end of each part is small, and the friction loss to the conveying belt is reduced; and the relative friction part is divided into three parts, so that the friction on the conveying belt is more uniform, the service life and the maintenance period of the conveying belt are prolonged, the production efficiency is improved, and the production cost is reduced.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of a side idler construction;

in the figure: 1. a rotating shaft; 2. side support; 3. a middle support; 4. a middle carrier roller; 5. side supporting rollers; 6. a first tapered roller; 7. a second conical roll; 7-1, a second central turntable; 8. a third tapered roller; 8-1, a third central turntable; 9. a first wear washer; 10. a second wear washer; 11. a reduction motor; 12. a pulley; 13. a transmission belt; 14. a retainer ring for a shaft.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 and 2, a roller mechanism of a mineral conveyor comprises a rotating shaft 1, a middle roller 4, two side rollers 5 and a power device, wherein the middle roller 4 and the two side rollers 5 are sleeved on the rotating shaft 1; the both ends of pivot 1 are rotated and are installed the side and support 2, the middle part of pivot 1 is rotated and is installed middle support 3.

The improvement of the embodiment is that:

the side supporting roller 5 comprises a first tapered roller 6, a second tapered roller 7 and a third tapered roller 8 which are separated, and the first tapered roller 6, the second tapered roller 7 and the third tapered roller 8 are sequentially arranged on the rotating shaft 1.

The first conical roller 6 is connected with the rotating shaft 1 through an inner key, a shaft check ring 14 is arranged at the inner end of the first conical roller 6, and the shaft check ring 14 is installed in a sinking groove formed in the rotating shaft 1. The outer side end face of the first conical roller 6 is provided with a shaft center hole.

The second conical roller 7 is rotatably connected with the rotating shaft 1 through a bearing, and the second conical roller 7 is positioned outside the first conical roller 6. The inner end surface of the second conical roller 7 is provided with a convex second central turntable 7-1, and the second central turntable 7-1 is rotatably sleeved in the axial hole of the first conical roller 6 through a bearing. The outer side end face of the second conical roller 7 is provided with a shaft center hole.

The outer side end face of the first conical roller 6 is provided with an outer side mounting groove, and the inner end face of the second conical roller 7 is provided with an inner side mounting groove. The outer side mounting groove of the first tapered roller 6 is opposed to the inner side mounting groove of the second tapered roller 7, and a first wear-resistant washer 9 is mounted in the outer side mounting groove of the first tapered roller 6 and the inner side mounting groove of the second tapered roller 7. The circumferential surface of the first wear-resistant washer 9 is a conical surface, and the circumferential surface of the first wear-resistant washer 9 is aligned with the circumferential surfaces of the first conical roller 6 and the second conical roller 7.

The third conical roller 8 is rotatably connected with the rotating shaft 1 through a bearing, the third conical roller 8 is positioned on the outer side of the second conical roller 7, a shaft check ring 14 is arranged on the outer side of the third conical roller 8, and the shaft check ring 14 is arranged in a sink groove formed in the rotating shaft 1. The inner end face of the third conical roller 8 is provided with a convex third central turntable 8-1, and the third central turntable 8-1 is rotatably sleeved in the axial hole of the second conical roller 7 through a bearing.

An outer side mounting groove is formed in the end surface of the outer side of the second conical roller 7, and an inner side mounting groove is formed in the end surface of the inner end of the third conical roller 8; the outer side mounting groove of the second conical roller 7 is opposite to the inner side mounting groove of the third conical roller 8, and a second wear-resistant washer 10 is mounted in the outer side mounting groove of the second conical roller 7 and the inner side mounting groove of the third conical roller 8. The circumferential surface of the second wear-resistant washer 10 is a conical surface, and the circumferential surface of the second wear-resistant washer 10 is aligned with the circumferential surfaces of the second conical roller 7 and the third conical roller 8.

The power device comprises a speed reducing motor 11, a belt wheel 12 is installed at one end of the rotating shaft 1, and an output shaft of the speed reducing motor 11 is connected with the belt wheel 12 through a transmission belt 13.

The speed reducing motor 11 of the embodiment drives the belt wheel 12 and the rotating shaft 1 through the transmission belt 13, further drives the middle carrier roller 4 and the side carrier rollers 5, and provides support for the upper side conveying belt and friction force for forward movement of the upper side conveying belt. The conical side carrier roller is divided into three parts, the diameter difference of the inner end and the outer end of each part is small, and the friction loss to the conveying belt is reduced. And the relative friction part is divided into three parts, so that the friction on the conveying belt is more uniform, the service life and the maintenance period of the conveying belt are prolonged, the production efficiency is improved, and the production cost is reduced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An idler mechanism for a mineral conveyor, comprising a rotating shaft (1), an intermediate idler (4) sleeved on the rotating shaft (1), two side idlers (5), and a rotating shaft (1) for driving the rotating shaft (1) The power device of the rotating shaft (1) is rotatably installed with side supports (2) at both ends, and the middle part of the rotating shaft (1) is rotatably installed with an intermediate support (3);

It is characterized by:

The side idler rollers (5) include three separate first conical rollers (6), second conical rollers (7), and third conical rollers (8); the first conical rollers (6) ), the second tapered roller (7), and the third tapered roller (8) are sequentially installed on the rotating shaft (1);

The first tapered roller (6) is connected with the rotating shaft (1) by an inner key; the outer end face of the first tapered roller (6) is provided with a shaft center hole;

The second tapered roller (7) is rotatably connected with the rotating shaft (1), the second tapered roller (7) is located outside the first tapered roller (6); the inner end surface of the second tapered roller (7) has a protruding The second center turntable (7-1) of the second center turntable (7-1) is rotatably sleeved in the shaft hole of the first tapered roller (6); the outer end face of the second tapered roller (7) has a shaft center hole;

The third conical roller (8) is rotatably connected with the rotating shaft (1), the third conical roller (8) is located outside the second conical roller (7); the inner end surface of the third conical roller (8) has a protruding The third center turntable (8-1), the third center turntable (8-1) is rotatably sleeved in the shaft center hole of the second tapered roller (7).

2. The idler mechanism of mineral conveyor according to claim 1, characterized in that: the outer end surface of the first tapered roller (6) is provided with an outer mounting groove, and the inner end surface of the second tapered roller (7) is provided with an outer mounting groove. The inner mounting groove; the outer mounting groove of the first tapered roller (6) is opposite to the inner mounting groove of the second tapered roller (7), and the outer mounting groove of the first tapered roller (6) is opposite to the second tapered roller A first wear-resistant washer (9) is installed in the inner mounting groove of (7); the circumferential surface of the first wear-resistant washer (9) is a conical surface, and the circumferential surface of the first wear-resistant washer (9) is connected to the first cone The circumferential surfaces of the shaped roller (6) and the second tapered roller (7) are aligned.

3. The idler mechanism of the mineral conveyor according to claim 1, characterized in that: the outer end surface of the second tapered roller (7) is provided with an outer mounting groove, and the inner end surface of the third tapered roller (8) is provided with an outer mounting groove. The inner mounting groove; the outer mounting groove of the second tapered roller (7) is opposite to the inner mounting groove of the third tapered roller (8), and the outer mounting groove of the second tapered roller (7) is opposite to the third tapered roller A second wear-resistant washer (10) is installed in the inner mounting groove of (8); the circumferential surface of the second wear-resistant washer (10) is a conical surface, and the circumferential surface of the second wear-resistant washer (10) is connected to the second cone The circumferential surfaces of the shaped roller (7) and the third tapered roller (8) are aligned.

4. The idler mechanism of the mineral conveyor according to claim 1, characterized in that: the power device comprises a deceleration motor (11), a pulley (12) is installed at one end of the rotating shaft (1), and the deceleration motor (11) ) The output shaft is connected to the pulley (12) through the drive belt (13).

5. The idler mechanism of the mineral conveyor according to claim 1, characterized in that: both sides of the side idler (5) are provided with shaft retaining rings (14), and the shaft retaining rings (14) are installed on the in the sink slot opened on the rotating shaft (1).