CN-121994019-A - Device for ensuring safety maintenance of rotary kiln

Abstract

The application relates to a device for ensuring safety maintenance of a rotary kiln, which comprises the rotary kiln, wherein a rotary kiln gear ring is constructed at one end of the rotary kiln, and a locking mechanism, wherein the locking mechanism comprises a gear box, a screw rod sliding block mechanism, a rotating hand wheel and a locking ejector rod, a steering and transmission gear set is arranged in the gear box, the rotating hand wheel is connected with a rotating shaft of a transmission gear, a screw rod of the screw rod sliding block mechanism is connected with one end of the rotating shaft of the steering gear, the locking ejector rod is connected with a sliding block of the screw rod sliding block mechanism, one end of the locking ejector rod is provided with gear teeth meshed with the rotary kiln gear ring, the sliding block is driven by the rotating hand wheel to extend out through the transmission gear in the gear box and the rotating hand wheel to push the locking ejector rod to prop against the rotary kiln gear ring, and the pure mechanical locking can be added on the basis of the original electric locking kiln, so that the danger caused by faults or locking failures of an electric system is reduced.

Inventors

• YE SONGHE
• SHI TAO
• ZHANG JIANBO
• GAO RONG
• LIU DONGQUAN
• LI YUQING
• ZHANG YUXU
• LI QINYI

Assignees

• 楚雄滇中有色金属有限责任公司

Dates

Publication Date

20260508

Application Date

20260112

Claims (10)

1. 1. A device for ensuring the safety maintenance of a rotary kiln, comprising: a rotary kiln (1), one end of the rotary kiln (1) is provided with a rotary kiln gear ring (2), and The locking mechanism (3), the locking mechanism (3) comprises a gear box (5), a screw rod sliding block mechanism, a rotary hand wheel (9) and a locking ejector rod (8); the rotary kiln gear ring (2) is characterized in that a steering and transmission gear set is arranged in the gear box (5), a rotary hand wheel (9) is connected and arranged on a rotating shaft of the transmission gear, one end of the rotating shaft of the steering gear is connected with a screw rod of a screw rod sliding block mechanism, a locking ejector rod (8) is connected and arranged on a sliding block of the screw rod sliding block mechanism, one end of the locking ejector rod (8) is provided with gear teeth meshed with the rotary kiln gear ring (2), and the rotary hand wheel (9) is rocked to drive the screw rod of the screw rod sliding block mechanism to rotate through the transmission gear and the steering gear in the gear box (5) so that the sliding block drives the locking ejector rod (8) to extend to prop against the rotary kiln gear ring (2).
2. 2. The device for ensuring the safety maintenance of rotary kilns according to claim 1, characterized in that the gears in the gearbox (5) comprise a first bevel gear (10), a second bevel gear (11), a large spur gear (12) and a small spur gear (13); The rotary shaft of the small straight gear (13) extends out of the gear box (5) to be connected with the rotary hand wheel (9), the large straight gear (12) is fixedly connected with the second bevel gear (11) on the same rotary shaft, the large straight gear (12) is meshed with the small straight gear (13) for transmission, the rotary shaft of the first bevel gear (10) extends out of the gear box (5) to be connected with the transmission screw rod (6) of the screw rod sliding block mechanism, and the first bevel gear (10) and the second bevel gear (11) are meshed for transmission.
3. 3. The device for ensuring the safety maintenance of the rotary kiln according to claim 1 or2 is characterized in that a locking pin (14) is connected and arranged on the outer side of the gear box (5), and the locking pin (14) is connected with the rotary hand wheel (9) in a sliding and inserting mode to limit the rotary hand wheel (9).
4. 4. The device for ensuring the safety maintenance of the rotary kiln according to claim 1 or 2 is characterized in that one end of a guide rail seat of the screw rod sliding block mechanism is provided with a rotating sliding block (7) in a switching way, a through hole is formed in the center of the rotating sliding block (7), and the locking ejector rod (8) is slidingly connected in the through hole.
5. 5. The device for ensuring the safety maintenance of the rotary kiln according to claim 4, wherein the locking ejector rod (8) is connected to a slide block of the screw rod slide block mechanism in a switching manner.
6. 6. The device for ensuring the safety maintenance of the rotary kiln according to claim 4, wherein the locking ejector rod (8) is fixedly arranged on a slide block of the screw rod slide block mechanism and is parallel to the axis of the screw rod slide block mechanism.
7. 7. The device for ensuring the safety maintenance of the rotary kiln according to claim 6, wherein one end of the locking ejector rod (8) is provided with an arc-shaped gear strip which is meshed with the rotary kiln gear ring (2) and is positioned at the middle lower part of the rotary kiln gear ring (2).
8. 8. The device for ensuring the safety maintenance of the rotary kiln according to claim 6, wherein one end of the locking ejector rod (8) is provided with a spur gear rack which is meshed with the rotary kiln gear ring (2) and is positioned at the bottom of the rotary kiln gear ring (2).
9. 9. The device for ensuring the safety maintenance of the rotary kiln according to claim 1, wherein the rotary kiln supporting wheel (4) is arranged on one side of the rotary kiln (1), a cushion block (15) is arranged at the rotary kiln supporting wheel (4), and the cushion block (15) is arranged below the arc-shaped gear bar or the straight gear bar.
10. 10. A device for ensuring the safety maintenance of rotary kilns according to claim 3, characterized in that said locking pin (14) is provided with a clasp.

Description

Device for ensuring safety maintenance of rotary kiln Technical Field The application relates to the technical field of kiln equipment, in particular to a device for ensuring safety maintenance of a rotary kiln. Background In the rotary kiln maintenance, the internal contracting brake on the original kiln is usually used for locking the kiln to avoid the kiln from rotating, and then after the operation cabinet is locked and registered, maintenance personnel enter the interior of the kiln for maintenance. However, the electrical equipment cannot achieve 100% safety and reliability, and once the electrical system fails or the band-type brake slips and fails, serious threat is generated to the safety of maintenance operators in the furnace body. Disclosure of Invention In order to solve or partially solve the problems in the related art, the application provides a device for ensuring the safety maintenance of a rotary kiln, which can increase a pure mechanical lock on the basis of locking the kiln by an original electric band-type brake and reduce the danger caused by the failure of an electric system or the slipping failure of the band-type brake. The application discloses a device for ensuring the safety maintenance of a rotary kiln, which comprises: a rotary kiln, one end of which is provided with a rotary kiln gear ring, and The locking mechanism comprises a gear box, a screw rod sliding block mechanism, a rotating hand wheel and a locking ejector rod; The rotary hand wheel is rocked to drive the screw rod of the screw rod sliding block mechanism to rotate through the transmission gear and the steering gear in the gear box, so that the sliding block drives the locking ejector rod to extend out to prop against the rotary kiln gear ring. Optionally, the gears in the gear box comprise a first bevel gear, a second bevel gear, a large spur gear and a small spur gear; The rotating shaft of the first bevel gear extends out of the gear box to be connected with a transmission screw rod of the screw rod sliding block mechanism, and the first bevel gear and the second bevel gear are meshed and transmitted. Optionally, a locking pin is connected and arranged at the outer side of the gear box, and the locking pin is slidingly inserted on the rotating hand wheel to limit the rotating hand wheel. Optionally, a rotating slide block is arranged at one end of the guide rail seat of the screw rod slide block mechanism in a switching way, a through hole is formed in the center of the rotating slide block, and the locking ejector rod is slidingly connected in the through hole. Optionally, the locking ejector rod is connected to a slider of the screw slider mechanism. Optionally, the locking ejector rod is fixedly arranged on a slide block of the screw rod slide block mechanism and is parallel to the axis of the screw rod slide block mechanism. Optionally, one end of the locking ejector rod is provided with an arc-shaped gear bar, and the arc-shaped gear bar is meshed with the rotary kiln gear ring and is positioned at the middle lower part of the rotary kiln gear ring. Optionally, one end of the locking ejector rod is provided with a spur gear rack, and the spur gear rack is meshed with the rotary kiln gear ring and is positioned at the bottom of the rotary kiln gear ring. Optionally, a rotary kiln supporting wheel is arranged at one side of the rotary kiln, a cushion block is arranged at the rotary kiln supporting wheel, and an arc gear bar or a straight gear bar of the cushion block is arranged below the cushion block. Optionally, a buckle is provided on the locking pin. The technical scheme provided by the application can comprise the following beneficial effects: The device rotates the hand wheel through the rocking of operating personnel, power is transmitted to the locking ejector rod through the gear in the gear box and the transmission screw rod in sequence, three teeth on the locking ejector rod are meshed with the rotary kiln gear ring on the rotary kiln, and finally the rotary kiln is locked, so that the rotary kiln is prevented from rotating. The application is integrally locked by a pure machine on the basis of the original electric band-type brake locking kiln, and greatly reduces the danger caused by the failure of an electric system or the slipping failure of the band-type brake. It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application as claimed. Drawings The foregoing and other objects, features and advantages of the application will be apparent from the following more particular descriptions of exemplary embodiments of the application as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the application. FIG. 1 is a schematic view of a structure of an embodiment of the present application in u