Manual turning speed reducer for weighing coal feeder

Abstract

A manual turning speed reducer for a weighing coal feeder relates to the field of speed reducers. The speed reducer is mainly designed for solving the problem that the speed reducer of the existing weighing coal feeder does not have a manual turning function, so that the equipment maintenance is influenced. An input shaft is mounted at the top in the shell, a pinion is arranged at the lower end of the input shaft, a bull gear meshed with the pinion is fixed at the upper end of a bevel gear shaft, the lower end of the bevel gear shaft is meshed with a bevel gear, the bevel gear is mounted on a bevel gear shaft, an output gear is meshed with teeth of the bevel gear shaft, and the output gear is mounted on an output shaft. The output shaft is mounted at the bottom in the shell; a hole is formed in the side surface of the shell; the gear A is meshed with the large gear, the gear A is fixed to a gear shaft A, a gear B meshed with the gear A is fixed to a gear shaft B, the upper end of the gear shaft B extends out of the shell, and a hand wheel is installed on the gear shaft B. The device has the advantages that the overhauling opening of the roller or the part, needing to be overhauled, of the belt faces a worker through the manual barring, and then overhauling operation is facilitated.

Description

Technical Field

[0001] This utility model relates to the field of speed reducers, specifically to a speed reducer for a weighing coal feeder. Background Technology

[0002] The input end of the reducer of the weighing coal feeder is connected to the output end of the motor, and the output end of the reducer is connected to the drum of the weighing coal feeder. The operation of the motor and the reducer drives the drum of the weighing coal feeder to work.

[0003] Currently, when a balancing coal feeder needs maintenance, the inspection port of the drum must face a direction convenient for workers to operate. Similarly, when the belt mounted on the outside of the drum needs maintenance, the part of the belt to be inspected must also face the workers. However, if the motor is damaged, the reducer will not work, often resulting in the inspection port of the drum and the part of the belt to be inspected not facing the workers, which is very inconvenient for workers and makes maintenance difficult.

[0004] When the weighing feeder has been running for a period of time, the weighing and metering modules need to be calibrated. Without a manual turning function, this task cannot be completed. Therefore, it is urgent to design a reducer with a manual turning function for the weighing feeder. Summary of the Invention

[0005] The technical problem to be solved by this utility model is to provide a manual rotary reducer for a weighing feeder that can be manually driven to change the direction of the drum and meet the calibration requirements when the motor is damaged during maintenance of the weighing feeder or when the weighing and metering modules are being calibrated.

[0006] The purpose of this utility model is achieved as follows: it includes a housing, the top of the housing is the input end, the bottom side of the housing is the output end, the top of the housing is connected to the motor by bolts, the input shaft of the reducer is mounted on the top of the housing by bearings, the input shaft of the reducer is a hollow shaft, the output shaft of the motor extends into the input shaft of the reducer, and the output shaft of the motor and the input shaft of the reducer are connected by a key.

[0007] A small gear is fixed at the lower end of the input shaft of the reducer, and a large gear is fixed at the upper end of the vertical bevel gear shaft. The bevel gear shaft is installed in the housing through bearings. The large gear and the small gear mesh, and the lower end of the bevel gear shaft meshes with the bevel gear. The bevel gear is installed on the bevel gear shaft, which is horizontally arranged. The bevel gear shaft is installed in the housing through bearings. The outer surface of the bevel gear shaft has teeth. An output gear is located below the bevel gear shaft. The output gear meshes with the teeth on the outer surface of the bevel gear shaft. The output gear is installed on the horizontally arranged output shaft. The output shaft is installed at the bottom of the housing through bearings. The output shaft is a hollow shaft. A hole is provided on the side of the housing at the position corresponding to the output shaft. The rotor of the weighing feeder's drum extends into the output shaft through the hole on the side of the housing and is connected to the output shaft through a key. The housing outside the output shaft is connected to the body of the weighing feeder through bolts.

[0008] It also includes gear A, which meshes with a large gear. Gear A is fixed on a vertically arranged gear shaft A, which is mounted inside the housing via bearings. It also includes gear B, which meshes with gear A. Gear B is fixed on a vertically arranged gear shaft B, which is mounted inside the housing via bearings. The upper end of gear shaft B extends out of the housing, i.e., the housing has a through hole for gear shaft B to extend out. A handwheel is installed on gear shaft B extending out of the housing. A sealing ring is provided between gear shaft B and the wall of the through hole.

[0009] The advantages of this utility model are: when the motor is damaged and cannot work, or when the weighing and metering module needs to be calibrated, turning the handwheel drives gear A and gear B to rotate, which in turn drives the large gear and bevel gear shaft to rotate. The bevel gear drives the bevel gear shaft to rotate, which in turn drives the drum of the weighing feeder to rotate through the output gear and output shaft. This makes the inspection port of the drum or the part of the belt that needs to be inspected face the workers, thus facilitating the workers' inspection and maintenance operations.

[0010] It can also perform real-time calibration and verification of the weighing and metering modules of the weighing feeder to meet the long-term and accurate operation requirements of the weighing feeder. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the structure of this utility model. Detailed Implementation

[0012] The following is combined Figure 1 The present invention will be further described below;

[0013] It includes a housing 1, with the top of the housing being the input end and the bottom side of the housing being the output end. The top of the housing is connected to the motor 2 by bolts. The input shaft 3 of the reducer is mounted on the top of the housing by bearings. The input shaft of the reducer is a hollow shaft. The output shaft of the motor extends into the input shaft of the reducer. The output shaft of the motor and the input shaft of the reducer are connected by a key.

[0014] A small gear 4 is fixed at the lower end of the input shaft of the reducer, and a large gear 5 is fixed at the upper end of the vertical bevel gear shaft 6. The bevel gear shaft is installed in the housing through bearings. The large gear and the small gear mesh. The lower end of the bevel gear shaft meshes with the bevel gear 7. The bevel gear is installed on the bevel gear shaft 8. The bevel gear shaft is arranged horizontally. The bevel gear shaft is installed in the housing through bearings. The outer surface of the bevel gear shaft has teeth. An output gear 9 is provided below the bevel gear shaft. The output gear meshes with the teeth on the outer surface of the bevel gear shaft. The output gear is installed on the horizontally arranged output shaft 10. The output shaft is installed at the bottom of the housing through bearings. The output shaft is a hollow shaft. The side of the housing has holes at the corresponding output shaft positions. The rotor of the weighing feeder's drum extends into the output shaft through the holes on the side of the housing and is connected to the output shaft through a key. The housing outside the output shaft is connected to the body of the weighing feeder through bolts.

[0015] It also includes gear A11, which meshes with a large gear. Gear A is fixed on a vertically arranged gear shaft A12. Gear shaft A is installed in the housing via bearings. It also includes gear B13, which meshes with gear A. Gear B is fixed on a vertically arranged gear shaft B14. Gear shaft B is installed in the housing via bearings, and the upper end of gear shaft B extends out of the housing. That is, the housing is provided with a through hole for gear shaft B to extend out. A handwheel 15 is installed on gear shaft B extending out of the housing. A sealing ring is provided between gear shaft B and the wall of the through hole.

[0016] When the motor is working normally, it drives the input shaft of the reducer to rotate through the output shaft, which in turn drives the bevel gear shaft to rotate through the pinion and gear, which in turn drives the bevel gear shaft to rotate through the bevel gear, which in turn drives the output shaft to rotate through the output gear, which in turn drives the drum to rotate.

[0017] The above are merely preferred embodiments of this utility model and do not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A manual rotary reducer for a weighing coal feeder, comprising a housing (1), the top of the housing being the input end and the bottom side of the housing being the output end, the input shaft (3) of the reducer being mounted on the top of the housing via a bearing, the input shaft of the reducer being a hollow shaft, the output shaft of the motor extending into the input shaft of the reducer, and the output shaft of the motor and the input shaft of the reducer being connected by a key; A small gear (4) is fixed at the lower end of the input shaft of the reducer, and a large gear (5) is fixed at the upper end of the vertical bevel gear shaft (6). The bevel gear shaft is installed in the housing through bearings. The large gear and the small gear mesh. The lower end of the bevel gear shaft meshes with the bevel gear (7). The bevel gear is installed on the bevel gear shaft (8). The bevel gear shaft is arranged horizontally. The bevel gear shaft is installed in the housing through bearings. The outer surface of the bevel gear shaft has teeth. An output gear (9) is provided below the bevel gear shaft. The output gear meshes with the teeth on the outer surface of the bevel gear shaft. The output gear is installed on the horizontally arranged output shaft (10). The output shaft is installed at the bottom of the housing through bearings. The output shaft is a hollow shaft. A hole is provided on the side of the housing at the corresponding position of the output shaft. The rotor of the weighing feeder's drum extends into the output shaft through the hole on the side of the housing and is connected to the output shaft through a key. The housing outside the output shaft is connected to the body of the weighing feeder through bolts. Its characteristics are: It also includes gear A (11), which meshes with a large gear. Gear A is fixed on a vertically arranged gear shaft A (12). Gear shaft A is installed in the housing through a bearing. It also includes gear B (13) which meshes with gear A. Gear B is fixed on a vertically arranged gear shaft B (14). Gear shaft B is installed in the housing through a bearing, and the upper end of gear shaft B extends out of the housing, that is, the housing is provided with a through hole for gear shaft B to extend out.

2. The manual turning gear reducer for the weighing coal feeder according to claim 1, characterized in that: A handwheel (15) is installed on the gear shaft B extending from the housing, and a sealing ring is provided between the gear shaft B and the wall of the through hole.

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