CN220071943U

CN220071943U - Medium-speed mill

Info

Publication number: CN220071943U
Application number: CN202321524358.5U
Authority: CN
Inventors: 李海燕
Original assignee: Jinan Ande Metallurgical Machinery Co ltd
Current assignee: Jinan Ande Metallurgical Machinery Co ltd
Priority date: 2023-06-15
Filing date: 2023-06-15
Publication date: 2023-11-24
Anticipated expiration: 2033-06-15

Abstract

The utility model provides a medium speed mill, comprising: the novel slow-release device comprises a bottom plate, a connecting plate, a slow-release column and a tooth column, wherein the connecting plate is arranged at the upper end of the left side of the bottom plate, the slow-release column is arranged at the upper end of the connecting plate, a support seat is arranged at the upper end of the slow-release column, a connecting frame is arranged at the right end of the support seat, a guide tank is arranged on the inner side of the connecting frame, and a cover body is arranged at the upper end of the guide tank. Through using connecting plate, slowly-releasing post, prop seat and link, can keep stable at the abrasive material in-process to leading the jar, the mutual block between slowly-releasing post, the prop seat simultaneously can promote the roll force when leading jar and remove, and reduce vibration potential energy, through using motor, the transmission shaft, tooth post and transmission awl tooth, its transmission awl tooth and pillar have compared in ordinary gear and belt power transmission and have increased transmission area and stability, the motor provides stable power supply to the abrasive material work of grinding the main part when can the operation.

Description

Medium-speed mill

Technical Field

The utility model belongs to the technical field of medium-speed mills, and relates to a medium-speed mill.

Background

The medium speed mill is an important coal mill and is widely applied to the fields of thermal power plants and the like. As a high load device, the stability of the transmission system of the medium speed mill has important influence on the normal operation, service life, maintenance cost and the like of the device.

Firstly, the middle-speed mill keeps transmission stability, so that normal operation of equipment can be ensured. The transmission system of the medium-speed mill comprises a motor, a gear box, a main speed reducer and the like, and if the transmission system is unstable, the running speed and the torque of the equipment are unstable, so that the coal grinding effect and the production efficiency are affected. For example, if the gears in the gear box are not meshed properly, the transmission system will vibrate, and the middle speed grinding machine will vibrate and noise. If these problems are not handled in time, they can lead to equipment damage and even safety accidents. Therefore, the stability of the medium speed mill transmission system is very important to be maintained, and the normal operation of equipment can be ensured.

Secondly, the middle-speed mill keeps transmission stability, so that the service life of equipment can be prolonged. The transmission system of the medium-speed mill is an important component of equipment, and if the transmission system is unstable, the equipment can be subjected to problems such as abrasion, faults and the like, so that the service life of the equipment is shortened. For example, if the gears within the drive train are not properly meshed, gear damage may result, leading to equipment failure. If the equipment is not maintained in time due to faults, abrasion and aging of the equipment can be accelerated, and the service life of the equipment is shortened. Thus, maintaining stability of the medium speed mill drive train can extend the service life of the equipment.

Finally, maintaining the drive stability of the medium speed mill can reduce the maintenance cost of the equipment. If the transmission system of the medium speed mill is unstable, various faults and problems of equipment can occur, and frequent maintenance and maintenance are required. If the equipment requires frequent maintenance, maintenance costs will be increased, thereby increasing production costs. For example, if the gears inside the gearbox are poorly meshed, the gears need to be replaced in time, which increases maintenance costs. If the stability of the transmission system is maintained, the maintenance cost of equipment can be reduced, and the production efficiency is improved.

In summary, maintaining the transmission stability of the intermediate speed mill has important effects on the normal operation, service life, maintenance cost and the like of the equipment. Therefore, in the use and maintenance process of the medium speed mill, attention needs to be paid to maintaining the stability of the transmission system, periodically checking and maintaining the transmission system, and timely handling the faults and problems of the transmission system so as to ensure the normal operation of the equipment, prolong the service life of the equipment and reduce the maintenance cost, so that the medium speed mill is needed to solve the above problems.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide a medium-speed mill, which solves the problems in the background art.

The utility model is realized by the following technical scheme: a medium speed mill comprising: the device comprises a bottom plate, a connecting plate, a slow-release column, a supporting seat, a connecting frame, a feeding bin, a cover body, a guide tank, a motor, transmission teeth, a jogging groove, transmission bevel teeth, a transmission shaft, an inner bearing, a frame and a tooth column, wherein the connecting plate is arranged at the upper end of the left side of the bottom plate;

the upper end of the connecting plate is provided with a slow-release column, the upper end of the slow-release column is provided with a supporting seat, the right end of the supporting seat is provided with a connecting frame, the inner side of the connecting frame is provided with a guide tank, the upper end of the guide tank is provided with a cover body, the upper end of the cover body is provided with a feeding bin, the lower end of the guide tank is provided with a motor, the inside of the guide tank is provided with a grinding main body, and the lower end of the grinding main body is provided with transmission teeth;

the inner side of the transmission gear is provided with an embedded groove, the lower end of the transmission gear is provided with a transmission bevel gear, the lower end of the transmission bevel gear is provided with a transmission shaft, the outer side of the lower end of the transmission shaft is provided with a gear column, the outer side of the transmission shaft is provided with an inner bearing, and the outer side of the inner bearing is provided with a frame.

As a preferred implementation mode, the bottom plate is fixedly connected with the connecting plate through bolts, the connecting plate is fixedly connected with the slow-release column, the slow-release column is an AC0608 type spring slow-release damping column, the slow-release column is fixedly connected with the left side of the support seat through bolts, and the guide tank can be stabilized through the connecting plate, the slow-release column, the support seat and the connecting frame.

As a preferred implementation mode, the cross section of the supporting seat is of a 7-shaped structure, the supporting seat and the connecting frame are of an integrated structure, the connecting frame is of a sectional structure, the connecting frame is divided into a left section and a right section, and the left section is fixedly connected with the connecting frame of the right section through bolts.

As a preferable implementation mode, a grinding bin is arranged in the guide tank, the grinding main body is positioned in the middle of the inside of the guide tank, the upper end of the grinding main body is provided with a guide chute, and a grinding roller shaft and a GP-6639 grinding roller bearing are arranged in the grinding main body.

As a preferable implementation mode, the transmission bevel gear is meshed with the transmission gear, the middle position of the upper end of the transmission bevel gear is embedded with the inside of the embedded groove, and the upper end of the transmission bevel gear is connected with the inner side of the GP-6639 grinding roller bearing.

As a preferred implementation mode, the transmission bevel gear, the transmission shaft and the gear column are of an integrated structure, the inner bearings are provided with a plurality of groups, and the outer sides of the plurality of groups of the inner bearings are fixedly connected with the inner sides of the frames.

As a preferred implementation mode, the upper end of the motor is provided with a driving shaft, the driving shaft and the tooth columns are connected through a coupling, two groups of inner bearings are deep groove ball bearings, and a stable power source can be provided for the abrasive work of the grinding main body through the motor, the transmission shaft, the tooth columns and the transmission bevel gear.

After the technical scheme is adopted, the utility model has the beneficial effects that: through using connecting plate, slowly-releasing post, prop seat and link, can keep stable at the abrasive material in-process to leading the jar, the mutual block between slowly-releasing post, the prop seat simultaneously can promote the roll force when leading jar and remove, and reduce vibration potential energy, through using motor, the transmission shaft, tooth post and transmission awl tooth, its transmission awl tooth and pillar have compared in ordinary gear and belt power transmission and have increased transmission area and stability, the motor provides stable power supply to the abrasive material work of grinding the main part when can the operation.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic diagram of a medium speed mill according to the present utility model;

FIG. 2 is a schematic view of the bottom of a main body of a medium speed mill according to the present utility model;

FIG. 3 is an exploded view of the drive cone, drive shaft and tooth post of the present utility model in a medium speed mill;

FIG. 4 is a block diagram of the drive cone teeth, drive shaft and tooth post in a medium speed mill according to the present utility model;

in the figure: 100-bottom plate, 110-connecting plate, 120-slow release column, 130-supporting seat, 140-connecting frame, 150-feeding bin, 160-cover body, 170-guide tank, 180-motor, 190-transmission tooth, 200-jogging groove, 210-transmission cone tooth, 220-transmission shaft, 230-inner bearing, 240-frame, 250-tooth column and 260-mill main body.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a medium speed mill, comprising: the novel slow-release device comprises a base plate 100, a connecting plate 110, a slow-release column 120, a supporting seat 130, a connecting frame 140, a feeding bin 150, a cover 160, a guide tank 170, a motor 180, transmission teeth 190, a jogging groove 200, transmission bevel teeth 210, a transmission shaft 220, an inner bearing 230, a frame 240 and a tooth column 250, wherein the connecting plate 110 is arranged at the upper end of the left side of the base plate 100;

the upper end of the connecting plate 110 is provided with a slow release column 120, the upper end of the slow release column 120 is provided with a supporting seat 130, the right end of the supporting seat 130 is provided with a connecting frame 140, the inner side of the connecting frame 140 is provided with a guide tank 170, the upper end of the guide tank 170 is provided with a cover 160, the upper end of the cover 160 is provided with a feeding bin 150, the lower end of the guide tank 170 is provided with a motor 180, the inside of the guide tank 170 is provided with a grinding main body, and the lower end of the grinding main body is provided with a transmission tooth 190;

the inside of the transmission teeth 190 is provided with a jogging groove 200, the lower end of the transmission teeth 190 is provided with a transmission bevel gear 210, the lower end of the transmission bevel gear 210 is provided with a transmission shaft 220, the outer side of the lower end of the transmission shaft 220 is provided with a tooth post 250, the outer side of the transmission shaft 220 is provided with an inner bearing 230, and the outer side of the inner bearing 230 is provided with a frame 240.

The bottom plate 100 is fixedly connected with the connecting plate 110 through bolts, the connecting plate 110 is fixedly connected with the slow-release column 120, the slow-release column 120 is an AC0608 type spring slow-release damping column, the slow-release column 120 is fixedly connected with the left side of the support seat 130 through bolts, and the guide tank 170 can be stabilized through the connecting plate 110, the slow-release column 120, the support seat 130 and the connecting frame 140.

The cross section of the supporting seat 130 is of a 7-shaped structure, the supporting seat 130 and the connecting frame 140 are of an integrated structure, the connecting frame 140 is of a sectional structure, the connecting frame 140 is divided into a left section and a right section, and the left section connecting frame 140 and the right section connecting frame 140 are fixedly connected through bolts.

The guide tank 170 is internally provided with a grinding bin, the grinding main body is positioned at the middle position inside the guide tank 170, the upper end of the grinding main body is provided with a guide groove, the grinding main body is internally provided with a grinding roller shaft and a GP-6639 grinding roller bearing, and the grinding main body is an ARM type medium-speed grinding roller sleeve.

The transmission bevel gear 210 is meshed with the transmission gear 190, the middle position of the upper end of the transmission bevel gear 210 is embedded with the inside of the embedded groove 200, and the upper end of the transmission bevel gear 210 is connected with the inner side of the GP-6639 grinding roller bearing.

The transmission bevel gear 210, the transmission shaft 220 and the gear post 250 are integrated, the inner bearings 230 are provided with a plurality of groups, and the outer sides of the plurality of groups of inner bearings 230 are fixedly connected with the inner side of the frame 240.

The upper end of the motor 180 is provided with a driving shaft, the driving shaft and the tooth column 250 are connected through a coupling, the two sets of inner bearings 230 are deep groove ball bearings, and a stable power source can be provided for the abrasive work of the grinding main body through the motor 180, the transmission shaft 220, the tooth column 250 and the transmission bevel gear 210.

Referring to fig. 1-4, as a first embodiment of the present utility model: in order to solve the problem that if the transmission system of the medium speed mill is an important component of equipment, if the transmission system is unstable, the equipment is worn out and failed, so that the service life of the equipment is shortened, firstly, staff introduces external coal abrasive materials into the inside of the equipment from the outside of the upper end of the feeding bin 150, as the grinding bin is arranged inside the guide tank 170, the grinding main body is positioned at the middle position inside the guide tank 170, the upper end of the grinding main body is provided with a guide chute, the coal abrasive materials enter the inside of the guide chute through the feeding bin 150 and then enter the inside of the grinding main body through the guide chute, and the coal is subjected to a slag grinding process through the grinding main body, at this moment, the staff starts the motor 180, and because the upper end of the motor 180 is provided with a driving shaft, the driving shaft and the tooth columns 250 are connected through a coupling, the tooth columns 250 are driven to rotate through the coupling, and the transmission bevel teeth 210, the transmission shaft 220 and the tooth columns 250 are of an integral structure, the tooth columns 250 drive the transmission bevel teeth 210 rotate inside the transmission teeth 190, the transmission bevel teeth 190 drive the main body to run, the transmission bevel teeth 210 and the transmission bevel teeth 190 are meshed with the transmission bevel teeth 190, and the middle position of the upper end of the transmission bevel teeth are embedded with the transmission bevel teeth 200, and the transmission power is stable, and the power strength can be provided.

Referring to fig. 1, as a second embodiment of the present utility model: based on the above description, further, since the grinding bin is provided inside the guide tank 170, the grinding body is located at the middle position inside the guide tank 170, and when the grinding body runs inside the guide tank 170, the guide tank 170 vibrates, and the vibration force is slowly released through the connection frame 140, the support seat 130 and the slow release column 120, so that the guide tank 170 can be effectively kept stable in the working process.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. A medium speed mill comprising: bottom plate (100), connecting plate (110), slowly-releasing post (120), prop seat (130) and tooth post (250), its characterized in that: the upper end of the left side of the bottom plate (100) is provided with a connecting plate (110);

the novel slow-release grinding machine is characterized in that a slow-release column (120) is arranged at the upper end of the connecting plate (110), a supporting seat (130) is arranged at the upper end of the slow-release column (120), a connecting frame (140) is arranged at the right end of the supporting seat (130), a guide tank (170) is arranged on the inner side of the connecting frame (140), a cover body (160) is arranged at the upper end of the guide tank (170), a feeding bin (150) is arranged at the upper end of the cover body (160), a motor (180) is arranged at the lower end of the guide tank (170), a grinding main body (260) is arranged in the guide tank (170), and transmission teeth (190) are arranged at the lower end of the grinding main body (260);

the inside gomphosis groove (200) that is equipped with of drive tooth (190), drive tooth (190) lower extreme is equipped with drive bevel gear (210), drive bevel gear (210) lower extreme is equipped with transmission shaft (220), the outside of transmission shaft (220) lower extreme is equipped with tooth post (250), the outside of transmission shaft (220) is equipped with inner bearing (230), the outside of inner bearing (230) is equipped with frame (240).

2. A medium speed mill according to claim 1, wherein: the base plate (100) is fixedly connected with the connecting plate (110) through bolts, the connecting plate (110) is fixedly connected with the slow-release column (120), the slow-release column (120) is an AC0608 type spring slow-release damping column, and the slow-release column (120) is fixedly connected with the left side of the support seat (130) through bolts.

3. A medium speed mill according to claim 2, wherein: the cross section of the supporting seat (130) is of a 7-shaped structure, the supporting seat (130) and the connecting frame (140) are of an integrated structure, the connecting frame (140) is of a sectional structure, the connecting frame (140) is divided into a left section and a right section, and the connecting frame (140) of the right section are fixedly connected through bolts.

4. A medium speed mill according to claim 3, wherein: the novel grinding machine is characterized in that a grinding bin is arranged inside the guide tank (170), the grinding main body (260) is located at the middle position inside the guide tank (170), a guide groove is formed in the upper end of the grinding main body (260), a grinding roll shaft and a GP-6639 grinding roll bearing are arranged inside the grinding main body (260), and the grinding main body (260) is an ARM type medium-speed grinding roll sleeve.

5. A medium speed mill according to claim 4, wherein: the transmission bevel gear (210) is meshed with the transmission gear (190), the middle position of the upper end of the transmission bevel gear (210) is embedded with the inside of the embedded groove (200), and the upper end of the transmission bevel gear (210) is connected with the inner side of the GP-6639 grinding roller bearing.

6. A medium speed mill according to claim 5, wherein: the transmission bevel gear (210), the transmission shaft (220) and the gear column (250) are of an integrated structure, the inner bearings (230) are provided with a plurality of groups, and the outer sides of the inner bearings (230) are fixedly connected with the inner sides of the frames (240).

7. A medium speed mill according to claim 1 or 6, characterized in that: the upper end of the motor (180) is provided with a driving shaft, the driving shaft and the tooth column (250) are connected through a coupling, and the two groups of inner bearings (230) are deep groove ball bearings.