CN210512587U - Friction wheel driven rotary kiln - Google Patents
Friction wheel driven rotary kiln Download PDFInfo
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- CN210512587U CN210512587U CN201920955013.2U CN201920955013U CN210512587U CN 210512587 U CN210512587 U CN 210512587U CN 201920955013 U CN201920955013 U CN 201920955013U CN 210512587 U CN210512587 U CN 210512587U
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Abstract
The utility model relates to a driven rotary kiln of friction pulley belongs to the rotary kiln field. The rotary kiln comprises a mounting plate, a linear guide rail sliding block and a hydraulic cylinder; the driving friction wheel and the driving motor are both arranged on the mounting plate, and the mounting plate can move back and forth in the linear guide rail sliding block under the driving of the hydraulic cylinder through the linear guide rail. The adjustment of the friction force between the driven friction wheel and the driving friction wheel can be realized by changing the installation form of the driving friction wheel; from the manufacturing requirement of the device, the working surfaces of the driving friction wheel and the driven friction wheel only need to ensure enough hardness and rigidity, and compared with the manufacturing requirement of the existing equipment, the manufacturing precision is low, the manufacturing is convenient and the cost is low; and the friction pair in the structural form is dry, so that the driven friction wheel of the driving friction wheel does not need to be lubricated, and the use and maintenance cost is low.
Description
Technical Field
The utility model belongs to the rotary kiln field, concretely relates to driven rotary kiln of friction pulley.
Background
The rotary kiln is a rotary calcining kiln and is widely used in the industries of metallurgy, mine, coal, building materials, light industry, electric power, chemical industry and the like. The existing rotary kiln is driven: or open gear transmission is adopted, namely a large gear ring is coaxially and rigidly connected with the cylinder body, and a small gear is meshed with the large gear ring to transmit rotary motion and torque to the cylinder body, so that the cylinder body is driven to rotate; or one group of riding wheels in a plurality of groups of riding wheels for supporting the rotary cylinder body are set as driving friction wheels, and the cylinder body is driven to rotate by utilizing the friction force between the driving friction wheels and the wheel belt.
The transmission mode that a large gear ring is used as a main transmission part is adopted, and the size is large due to large load; the large gear ring works under the environmental conditions of low rotating speed, high power, alternating stress action, much dust and high temperature for a long time, is a high-quality gear ring, has high manufacturing progress, is carefully maintained and cannot be abraded. Therefore, the requirements for manufacturing precision and installation of the large gear ring are higher than the requirements for the gear of a common transmission device, which causes the large gear ring to have high processing and manufacturing difficulty and high manufacturing cost. In addition, the existing rotary kiln large gear ring is a semi-open type gear transmission system, only a simple protective cover is provided, a large amount of floating objects and small particles are contained in the air of a working site, and the floating objects and the small particles easily enter the working surface of the gear ring to cause abrasive wear, so that the semi-open type gear transmission system needs to be lubricated by grease, and the use cost and the maintenance cost are increased.
In the rotary kiln using a group of riding wheels as driving friction wheel transmission, because the riding wheels of the supporting cylinder are not movable, the added friction transmission ensures that the riding wheels have both supporting and transmission functions, because the pressure applied on the riding wheels is only a component force of the dead weight of the cylinder along the connecting line of the center of the cylinder and the center of the riding wheels, under the conditions of insufficient pressing force and incapability of the riding wheel position, the friction force is insufficient, the friction transmission can slip, and the transmission fails.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a friction wheel driven rotary kiln to eliminate the disadvantages of the existing rotary kiln.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a friction wheel transmission rotary kiln comprises a cylinder body, wherein a head supporting riding wheel and a tail supporting riding wheel are correspondingly arranged at two ends of the cylinder body, a driven friction wheel is coaxially and rigidly connected to the cylinder body, the driven friction wheel is matched with a driving friction wheel to form a friction pair, and the driving friction wheel is connected with a driving motor; the device also comprises a mounting plate, a linear guide rail sliding block and a hydraulic cylinder; two groups of linear guide rails are arranged on two opposite sides of the mounting plate in parallel, two groups of linear guide rail sliding blocks are oppositely and fixedly arranged on the mounting base, and the mounting plate is correspondingly inserted into the two groups of linear guide rail sliding blocks through the linear guide rails on the two sides of the mounting plate; the telescopic end of the hydraulic cylinder is connected to the mounting plate and can push the mounting plate to move back and forth along the linear guide rail slide block; the driving friction wheel and the driving motor are both arranged on the mounting plate.
Furthermore, the hydraulic cylinder is hinged on a support, and the support is fixedly arranged on the installation basis.
Further, a mandrel of the driving friction wheel is coaxially and rigidly connected with an output shaft of the driving motor through a coupler.
Further, still include the fender wheel, driven friction pulley sets up at afterbody support riding wheel rear and keep off the wheel and be located between the two.
The beneficial effects of the utility model reside in that:
the adjustment of the friction force between the driven friction wheel and the driving friction wheel can be realized by changing the installation form of the driving friction wheel; from the manufacturing requirement of the device, the working surfaces of the driving friction wheel and the driven friction wheel only need to ensure enough hardness and rigidity, and compared with the manufacturing requirement of the existing equipment, the manufacturing precision is low, the manufacturing is convenient and the cost is low; and the friction pair in the structural form is dry, so that the driven friction wheel of the driving friction wheel does not need to be lubricated, and the use and maintenance cost is low.
In general, the transmission system with the structure form has simple and reliable structure, reliable transmission and low manufacturing cost; no need of lubrication and low use and maintenance cost.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.
Drawings
For the purposes of promoting a better understanding of the objects, features and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic plan view of the rotary kiln;
fig. 2 is a schematic perspective view of the rotary kiln.
Reference numerals:
the device comprises a head supporting riding wheel-1, a barrel-2, a tail supporting riding wheel-3, a catch wheel-4, a driven friction wheel-5, a driving friction wheel-6, a mounting plate-7, a hydraulic cylinder-8, a support-9, a driving motor-10, a linear guide rail-11 and a linear guide rail slide block-12.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in any way limiting the scope of the invention; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "front", "back", etc., indicating directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limiting the present invention, and those skilled in the art can understand the specific meanings of the terms according to specific situations.
Referring to fig. 1 to 2, a friction wheel driven rotary kiln includes a cylinder 2, a head supporting riding wheel 1 and a tail supporting riding wheel 3 correspondingly disposed at two ends of the cylinder 2, a driven friction wheel 5 coaxially and rigidly connected to the cylinder 2, the driven friction wheel 5 and a driving friction wheel 6 cooperating to form a friction pair, the driving friction wheel 6 being connected to a driving motor 10; the device also comprises a mounting plate 7, a linear guide rail 11, a linear guide rail slide block 12 and a hydraulic cylinder 8; two groups of linear guide rails 11 are arranged on two opposite sides of the mounting plate 7 in parallel, two groups of linear guide rail sliding blocks 12 are oppositely and fixedly arranged on a mounting base, and the mounting plate 7 is correspondingly inserted into the two groups of linear guide rail sliding blocks 12 through the linear guide rails 11 on two sides of the mounting plate; the telescopic end of the hydraulic cylinder 8 is connected to the mounting plate 7 and can push the mounting plate 7 to enable the linear guide rail 11 on the mounting plate to move back and forth in the linear guide rail sliding block 12; the driving friction wheel 6 and the driving motor 10 are both arranged on the mounting plate 7.
In the rotary kiln, a head supporting idler 1 and a tail supporting idler 3 are used for supporting the whole barrel body 2. The driven friction wheel 5 is coaxially and rigidly connected with the cylinder 2; the driving friction wheel 6 is of a mandrel type, and a mandrel on the driving friction wheel is coaxially and rigidly connected with an output shaft of the driving motor 10 through a coupler; the rotation of the cylinder 2 is realized by driving the driven friction wheel 5 by the driving friction wheel 6. The driving friction wheel 6 and the driving motor 10 are both arranged on the mounting plate 7, and the linear guide rails 11 arranged on the two sides of the mounting plate 7 are embedded in the linear guide rail sliding blocks 12; one end of the mounting plate 7 is connected with a hydraulic cylinder 8, and the mounting plate 7 can slide in the direction away from and close to the cylinder body 2 by utilizing the extension and retraction of a piston rod of the hydraulic cylinder 8, so that the adjustment of the friction force between the friction pairs is realized.
The hydraulic cylinder 8 is hinged on the support 9, and the support 9 is fixedly arranged on the installation foundation. The installation foundation can be the ground, can also be facilities such as rack.
The rotary kiln also comprises a catch wheel 4, a driven friction wheel 5 is arranged behind the tail supporting riding wheel 3, and the catch wheel 4 is positioned between the tail supporting riding wheel 3 and the tail supporting riding wheel; the catch wheel 4 is used for limiting the axial movement of the cylinder 2.
The working process of the rotary kiln is as follows:
when the rotary kiln works, a piston rod of the hydraulic cylinder 8 extends out to push the mounting plate, so that the driving friction wheel 6 and the driven friction wheel 5 are directly contacted and pressed to form a pair of friction pairs with enough friction force, and when the driving motor 10 drives the driving friction wheel 6 to rotate, the output rotary motion and torque are transmitted to the barrel body 2 through the friction pairs formed between the driving friction wheel 6 and the driven friction wheel 5, so that the whole barrel body 2 is driven to rotate; when the rotary kiln needs to stop rotating, the piston rod of the hydraulic cylinder 8 retracts to pull the mounting plate 7 and enable the driving friction wheel 6 on the mounting plate to move towards the direction far away from the cylinder body 2, the driving friction wheel 6 is separated from the contact with the driven friction wheel 5, the transmission of the rotating motion and the torque is interrupted, the cylinder body 2 stops rotating, and the rotary kiln stops.
The transmission utilizes the friction force between the friction pairs to carry out rotary motion and torque transmission, the working surfaces of the driving friction wheel and the driven friction wheel only need to ensure enough hardness and rigidity, and compared with the manufacturing requirement of the existing equipment, the transmission has the advantages of low manufacturing precision, convenient manufacturing and low cost; and the friction pair in the structural form is dry, so that the driven friction wheel of the driving friction wheel does not need to be lubricated, and the use and maintenance cost is low.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the scope of the claims of the present invention.
Claims (4)
1. A friction wheel transmission rotary kiln comprises a cylinder body, wherein a head supporting riding wheel and a tail supporting riding wheel are correspondingly arranged at two ends of the cylinder body, a driven friction wheel is coaxially and rigidly connected to the cylinder body, the driven friction wheel is matched with a driving friction wheel to form a friction pair, and the driving friction wheel is connected with a driving motor; the method is characterized in that: the device also comprises a mounting plate, a linear guide rail sliding block and a hydraulic cylinder; two groups of linear guide rails are arranged on two opposite sides of the mounting plate in parallel, two groups of linear guide rail sliding blocks are oppositely and fixedly arranged on the mounting base, and the mounting plate is correspondingly inserted into the two groups of linear guide rail sliding blocks through the linear guide rails on the two sides of the mounting plate; the telescopic end of the hydraulic cylinder is connected to the mounting plate and can push the mounting plate to move back and forth in the linear guide rail slide block; the driving friction wheel and the driving motor are both arranged on the mounting plate.
2. The friction wheel driven rotary kiln of claim 1, wherein: the hydraulic cylinder is hinged on the support, and the support is fixedly arranged on the installation foundation.
3. The friction wheel driven rotary kiln of claim 1, wherein: the mandrel of the driving friction wheel is coaxially and rigidly connected with the output shaft of the driving motor through a coupling.
4. The friction wheel driven rotary kiln of claim 1, wherein: the driven friction wheel is arranged behind the tail supporting riding wheel and is positioned between the tail supporting riding wheel and the stopping wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920955013.2U CN210512587U (en) | 2019-06-24 | 2019-06-24 | Friction wheel driven rotary kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920955013.2U CN210512587U (en) | 2019-06-24 | 2019-06-24 | Friction wheel driven rotary kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210512587U true CN210512587U (en) | 2020-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920955013.2U Active CN210512587U (en) | 2019-06-24 | 2019-06-24 | Friction wheel driven rotary kiln |
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| CN (1) | CN210512587U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110274462A (en) * | 2019-06-24 | 2019-09-24 | 重庆赛迪热工环保工程技术有限公司 | The rotary kiln of frictional wheel drive |
-
2019
- 2019-06-24 CN CN201920955013.2U patent/CN210512587U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110274462A (en) * | 2019-06-24 | 2019-09-24 | 重庆赛迪热工环保工程技术有限公司 | The rotary kiln of frictional wheel drive |
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