CN111457717A - Rotary furnace and self-adaptive riding wheel supporting device thereof - Google Patents
Rotary furnace and self-adaptive riding wheel supporting device thereof Download PDFInfo
- Publication number
- CN111457717A CN111457717A CN202010318685.XA CN202010318685A CN111457717A CN 111457717 A CN111457717 A CN 111457717A CN 202010318685 A CN202010318685 A CN 202010318685A CN 111457717 A CN111457717 A CN 111457717A
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- riding wheel
- pressing plate
- limiting
- support
- sleeve
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/22—Rotary drums; Supports therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/22—Rotary drums; Supports therefor
- F27B2007/2246—Support rollers
Abstract
The invention discloses a rotary furnace and a self-adaptive riding wheel supporting device thereof, wherein the riding wheel supporting device is arranged between a furnace tube and a riding wheel, the riding wheel supporting device comprises a base, an elastic support and a riding wheel support, the riding wheel support is L type and comprises a bottom plate and a vertical plate, the bottom plate is connected with the base through the elastic support, the base is fixed on the periphery of the furnace tube, the vertical plate is arranged on the side surface of the riding wheel, the rotary furnace comprises the riding wheel and the riding wheel supporting device, the riding wheel supporting devices are respectively arranged on two sides of the riding wheel, and the riding wheel supporting devices on each side are distributed on a circular surface of the side surface of the riding wheel in an annular array mode by taking the centers of the furnace tube and the riding wheel as the circle center.
Description
Technical Field
The invention relates to the field of rotary furnace firing equipment, in particular to a rotary furnace and a self-adaptive riding wheel supporting device thereof.
Background
Rotary kilns are the most critical equipment in the clinker calcination process. The strong thermal load and the working system of continuous production have strict requirements on the equipment quality and the operation method, and the operation condition of the continuous production is directly related to whether the whole production process line can normally operate or not. Theoretically, the cylinder of the rotary kiln is arranged on the riding wheel at an inclination of 3% -4%, and the central line of the riding wheel is parallel to the central line of the cylinder. In fact, the rotary furnace may cause the central line of the riding wheel to be unparallel to the central line of the cylinder due to factors such as uneven foundation settlement, bending deformation of the cylinder, abrasion of the equipment, manufacturing error of the external dimension of the equipment and the like, so that the stress between the riding wheel and the belt is extremely uneven, the belt contacts with the edge of the riding wheel, and finally the surface of the riding wheel belt is burned or pitted or even peeled off. Once the above problems occur, the idler centerline must be manually adjusted repeatedly. The adjustment is tedious and the workload is large.
Therefore, it is necessary to adopt a supporting device of the riding wheel, so that the supporting device of the riding wheel can adapt to the changes of the working condition of the kiln to keep the good contact between the riding wheel and the belt, thereby avoiding the negative effects caused by the change of the working condition of the kiln.
Disclosure of Invention
The invention aims to solve the technical problem of providing a rotary furnace and a self-adaptive supporting device for a riding wheel thereof, wherein the supporting device for the riding wheel is arranged to ensure that the riding wheel and a wheel belt and the central line of the riding wheel and the central line of a cylinder body are always kept in a parallel state, so that the stress between the riding wheel and the wheel belt is uniform, and the supporting load in the rotary furnace is uniformly distributed.
In order to solve the technical problem, the invention provides a self-adaptive riding wheel supporting device which is characterized in that the riding wheel supporting device is arranged between a furnace tube and a riding wheel, the riding wheel supporting device comprises a base, an elastic support and a riding wheel support, the riding wheel support is L-shaped and comprises a bottom plate and a vertical plate, the bottom plate is connected with the base through the elastic support, the base is fixed on the periphery of the furnace tube, and the vertical plate is arranged on the side face of the riding wheel.
In a preferred embodiment of the present invention, the connection surface between the base and the furnace tube is an arc surface matching the radian of the furnace tube, and the connection surface between the bottom plate and the elastic support is a plane.
In a preferred embodiment of the present invention, the vertical plate further comprises a screw hole, and the vertical plate is locked and fixed on the riding wheel through a bolt.
In a preferred embodiment of the present invention, the elastic support further includes an upper pressing plate and a lower pressing plate respectively connected to the base and the riding wheel support, a supporting sleeve is disposed between the upper pressing plate and the lower pressing plate, the supporting sleeve is a sleeve-shaped structure with an open end, the open end of the supporting sleeve faces the lower pressing plate, an elastic body is disposed in the opening of the supporting sleeve, and the elastic body supports the supporting sleeve, such that a certain distance is formed between the supporting sleeve and the lower pressing plate.
In a preferred embodiment of the present invention, the elastic support further includes a limiting structure disposed inside the elastic support, the limiting structure is disposed between the lower pressing plate and the support sleeve, and the limiting structure connects the lower pressing plate and the support sleeve for limiting the support sleeve from moving upward from the lower pressing plate.
In a preferred embodiment of the present invention, the limiting structure further comprises limiting baffles arranged on the left and right sides of the lower pressing plate and a pressing plate arranged on the limiting baffles, one end of the pressing plate is fixedly arranged on the limiting baffles, the other end of the pressing plate is respectively arranged towards the inner sides of the limiting baffles, limiting bosses are formed on the inner sides of the limiting baffles, the supporting sleeve is provided with a limiting flange protruding out of the outer wall of the supporting sleeve on one side of the opening end, and the limiting flange is arranged between the pressing plate and the lower pressing plate and is matched with the limiting bosses.
In a preferred embodiment of the present invention, the elastic body is a compression spring, an air spring or an elastic rubber.
In order to solve the technical problem, the invention provides a rotary furnace which comprises riding wheels and the riding wheel supporting devices, wherein the riding wheel supporting devices are respectively arranged on two sides of the riding wheels, and the riding wheel supporting devices on each side are distributed on a circular surface on the side surface of the riding wheel in an annular array mode by taking the centers of the furnace tube and the riding wheel as the circle center.
In a preferred embodiment of the present invention, the supporting device of the supporting roller is connected to the supporting device of the supporting roller through a ball-hinged pull rod.
In a preferred embodiment of the invention, the device further comprises auxiliary supporting wheels arranged on two sides below the supporting wheels, and the auxiliary supporting wheels are connected with the supporting wheels through chain wheels.
The invention has the beneficial effects that:
the supporting device of the riding wheel is arranged between the original furnace tube and the riding wheel, and the elastic support is arranged for elastically supporting the riding wheel, so that the riding wheel and the belt are always kept in a parallel state, the central line of the riding wheel and the central line of the cylinder body are always kept in a parallel state, the stress between the riding wheel and the belt is uniform, and the problems of extremely non-uniform stress between the riding wheel and the belt and contact between a chain wheel and the edge of the riding wheel due to the fact that the riding wheel is not parallel to the belt can be effectively solved. The service life of parts such as the wheel belt and the riding wheel at the supporting position is prolonged.
The rotary furnace is provided with the riding wheel supporting devices on two sides of the riding wheel, and the riding wheel supporting devices on each side are distributed on the circular surface of the side surface of the riding wheel in an annular array by taking the centers of the furnace tube and the riding wheel as the circle centers to form a plurality of riding wheel supporting devices surrounding the side surface of the riding wheel.
Drawings
FIG. 1 is a schematic view of an assembly structure of the adaptive riding wheel supporting device of the invention;
FIG. 2 is a schematic structural view of the riding wheel support assembly of the present invention;
FIG. 3 is a schematic structural view of the elastic support of the present invention;
FIG. 4 is a schematic side view of the riding wheel of the rotary kiln of the present invention;
FIG. 5 is a schematic view of the structure of a rotary kiln of the present invention.
The reference numbers in the figures illustrate: 1. a riding wheel supporting device; 11. a base; 12. an elastic support; 121. an upper pressure plate; 122. a lower pressing plate; 123. a support sleeve; 124. an elastomer; 125. a limit baffle; 126. pressing a plate; 127. a limiting boss; 128. a limiting flange; 13. a riding wheel support; 2. a furnace tube; 3. a riding wheel; 4. an auxiliary riding wheel; 5. a ball pivot pull rod.
Detailed Description
The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.
Referring to fig. 1-2, in an embodiment of the self-adaptive riding wheel supporting device of the present invention, a riding wheel supporting device 1 of the embodiment is disposed between a furnace tube 2 and a riding wheel 3, the riding wheel supporting device 1 includes a base 11, an elastic support 12, and a riding wheel support 13, the riding wheel support 13 is L type, and includes a bottom plate and a vertical plate, the bottom plate is connected to the base 11 through the elastic support 12, the base 11 is fixed on the periphery of the furnace tube 2, the base 11 is welded on the furnace tube 2, both the vertical plate and a side surface of the riding wheel 3 are provided with screw holes, the vertical plate is locked and fixed on the riding wheel 3 through bolts, in this embodiment, the riding wheel supporting device 1 is disposed between the original furnace tube 2 and the riding wheel 3, the elastic support is maintained for the riding wheel 3 and an elastic support for a wheel belt sleeved on the outside of the riding wheel 3 through the elastic support 12 inside the riding wheel supporting device 1, so as to ensure that the riding wheel 3 and the center line of the riding wheel 3 are always kept parallel to the wheel belt, the riding wheel belt is uniformly stressed, and the problem of uneven service life of the riding wheel 3 and the riding wheel belt is effectively solved.
Because boiler tube 2 is tubular structure, inconvenient directly sets up elastic support 12 at boiler tube 2 outer wall, and this embodiment adopts base 11 to carry out transition connection, specifically, sets up base 11 is the arc surface that matches with boiler tube 2 radian with boiler tube 2's being connected face, bottom plate 11 is the plane with elastic support 12's being connected face, has so both realized being connected of boiler tube 2 and base 11, has provided elastic support 12's the space of placing again.
Referring to fig. 3, the elastic support 12 includes an upper pressing plate 121 and a lower pressing plate 122 connected to the base 11 and the riding wheel support 13, a supporting sleeve 123 is disposed between the upper pressing plate 121 and the lower pressing plate 122, the supporting sleeve 123 is a sleeve-shaped structure with an open end, the open end of the supporting sleeve 123 faces the lower pressing plate, an elastic body 124 is disposed in the opening of the supporting sleeve 123, the elastic body 124 supports the supporting sleeve 123, so that a certain distance exists between the supporting sleeve 123 and the lower pressing plate 122, and the reserved distance in this embodiment is a distance for adjusting the offset of the center line of the riding wheel 3.
In order to prevent the elastic body 124 from ejecting the support sleeve 123 during the rebound process, a limiting structure is arranged in the elastic support 12, and the limiting structure is arranged between the lower pressure plate 122 and the support sleeve 123 and is used for connecting the lower pressure plate 122 and the support sleeve 123 and limiting the support sleeve 123 to move above the lower pressure plate 122.
Specifically, the limiting structure comprises limiting baffles 125 arranged on the left side and the right side of the lower pressure plate 122 and a pressure plate 126 arranged on the limiting baffles 125, one end of the pressure plate 126 is fixedly arranged on the limiting baffles 125, the other end of the pressure plate extends towards the inner sides of the limiting baffles 125 respectively, limiting bosses 127 are formed on the inner sides of the limiting baffles 125, limiting flanges 128 protruding out of the outer walls of the supporting sleeves 123 are arranged on one sides of the opening ends of the supporting sleeves 123, and the limiting flanges 128 are located between the pressure plate 126 and the lower pressure plate 122 and are arranged in a matched manner with the limiting bosses 127.
Specifically, the elastic body 124 is a compression spring, an air spring, or an elastic rubber.
Referring to fig. 4, an embodiment of the rotary kiln of the present invention includes the riding wheels 3 and the riding wheel supporting devices 1, the riding wheel supporting devices 1 are respectively disposed at two sides of the riding wheel 3, the riding wheel supporting devices 1 at each side are annularly distributed on a circular surface of a side surface of the riding wheel 3 with centers of the furnace tube 2 and the riding wheel 3 as a circle center, a plurality of riding wheel supporting devices 1 surrounding the side surface of the riding wheel 3 are formed, the elastic support 12 is elastically supported at any position during the rotation of the riding wheel 3, the supporting load distribution of the rotary kiln is uniform and does not deviate during the long-term rotation of the riding wheel, the occurrence of pitting corrosion or even peeling of the surface of the riding wheel belt is prevented, during the long-term use, the occurrence of uneven foundation sinking at any position of the riding wheel in the rotary kiln, bending deformation of the drum body, and abrasion of the equipment, the pair can be adjusted in an adaptive way through the riding wheel supporting device 1.
In this embodiment, the two sides below the riding wheel 3 are provided with the auxiliary riding wheels 4, the auxiliary riding wheels 4 are connected with the riding wheel 3 through chain wheels, and the riding wheel 3 is driven to rotate through the support of the auxiliary riding wheels 4.
Referring to fig. 5, the riding wheel supporting devices 1 on both sides of the riding wheel 3 are connected through a spherical hinge pull rod 5, a vertical plate of the riding wheel supporting device 1 protrudes out of the riding wheel 3, a spherical seat is arranged on a protruding part of the vertical plate, the spherical hinge pull rod 5 is inserted into the spherical seat, the two riding wheel brackets 13 are connected through the spherical hinge pull rod 5 to balance horizontal component forces of the riding wheels 3 on both sides, and the spherical hinge structure of the spherical hinge pull rod 5 meets the requirement that the rotation freedom degrees of the riding wheel brackets 13 on the left side and the right side relative to the horizontal plane are not limited.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.
Claims (10)
1. The self-adaptive riding wheel supporting device is characterized in that the riding wheel supporting device is arranged between a furnace tube and a riding wheel and comprises a base, an elastic support and a riding wheel support, wherein the riding wheel support is L type and comprises a bottom plate and a vertical plate, the bottom plate is connected with the base through the elastic support, the base is fixed on the periphery of the furnace tube, and the vertical plate is arranged on the side face of the riding wheel.
2. The adaptive riding wheel supporting device as claimed in claim 1, wherein the connection surface of the base and the furnace tube is an arc surface matching with the radian of the furnace tube, and the connection surface of the bottom plate and the elastic support is a plane.
3. The adaptive riding wheel supporting device as defined in claim 1, wherein the vertical plate is provided with a screw hole, and the vertical plate is locked and fixed on the riding wheel through a bolt.
4. The adaptive riding wheel supporting device as claimed in claim 1, wherein the elastic support comprises an upper pressing plate and a lower pressing plate respectively connected with the base and the riding wheel support, a supporting sleeve is arranged between the upper pressing plate and the lower pressing plate, the supporting sleeve is of a sleeve-shaped structure with an open end, the open end of the supporting sleeve is arranged towards the lower pressing plate, an elastic body is arranged in the opening of the supporting sleeve, and the elastic body supports the supporting sleeve, so that a certain distance is reserved between the supporting sleeve and the lower pressing plate.
5. The adaptive riding wheel support device of claim 4, wherein a limiting structure is arranged in the elastic support, the limiting structure is arranged between the lower pressing plate and the support sleeve, and the limiting structure is connected with the lower pressing plate and the support sleeve and used for limiting the support sleeve to move upwards the lower pressing plate.
6. The adaptive riding wheel supporting device as claimed in claim 5, wherein the limiting structure comprises limiting baffles arranged on the left and right sides of the lower pressing plate and a pressing plate arranged on the limiting baffles, one end of the pressing plate is fixedly arranged on the limiting baffles, the other end of the pressing plate is respectively arranged towards the inner sides of the limiting baffles, limiting bosses are formed on the inner sides of the limiting baffles, limiting flanges protruding out of the outer wall of the supporting sleeve are arranged on one side of the opening end of the supporting sleeve, and the limiting flanges are arranged between the pressing plate and the lower pressing plate and matched with the limiting bosses.
7. The adaptive idler support arrangement of claim 4 wherein said elastomer is a compression spring, an air spring or an elastomeric rubber.
8. A rotary furnace comprises a riding wheel and is characterized by further comprising riding wheel supporting devices according to any one of claims 1 to 7, wherein the riding wheel supporting devices are respectively arranged on two sides of the riding wheel, and the riding wheel supporting devices on each side are distributed on a circular surface of the side surface of the riding wheel in an annular array mode by taking the centers of the furnace tube and the riding wheel as circle centers.
9. The rotary kiln as claimed in claim 8, wherein the roller supports on both sides of the roller are connected by a ball-and-socket link.
10. The rotary kiln as claimed in claim 8, wherein auxiliary idlers are provided on both sides below the idlers, and the auxiliary idlers are connected to the idlers by sprockets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010318685.XA CN111457717A (en) | 2020-04-21 | 2020-04-21 | Rotary furnace and self-adaptive riding wheel supporting device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010318685.XA CN111457717A (en) | 2020-04-21 | 2020-04-21 | Rotary furnace and self-adaptive riding wheel supporting device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111457717A true CN111457717A (en) | 2020-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010318685.XA Pending CN111457717A (en) | 2020-04-21 | 2020-04-21 | Rotary furnace and self-adaptive riding wheel supporting device thereof |
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| CN (1) | CN111457717A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113028825A (en) * | 2020-10-13 | 2021-06-25 | 南京利卡维智能科技有限公司 | Lifting type combinable furnace tube |
-
2020
- 2020-04-21 CN CN202010318685.XA patent/CN111457717A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113028825A (en) * | 2020-10-13 | 2021-06-25 | 南京利卡维智能科技有限公司 | Lifting type combinable furnace tube |
| CN113028825B (en) * | 2020-10-13 | 2022-09-27 | 南京利卡维智能科技有限公司 | Hoisting type combined furnace tube |
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