Bucket elevator convenient to maintain

Abstract

The bucket elevator convenient to maintain comprises a machine shell, a rotating belt arranged in the machine shell and a plurality of hoppers installed on the rotating belt, supporting rotating shafts used for supporting the rotating belt are arranged on the upper portion and the lower portion of the machine shell respectively, and a main motor used for driving the rotating belt to move is installed on the lower portion of the machine shell. A low-speed driving mechanism for driving the belt to move slowly is arranged at the end of the main motor; the low-speed driving mechanism comprises a support and a gear motor installed on the support, a small chain wheel is installed on an output shaft of the gear motor, a reduction gearbox is installed at the main motor end through a coupler, a large chain wheel in transmission connection with the small chain wheel is installed on the reduction gearbox, and the large chain wheel is in transmission connection with the small chain wheel through a chain. The low-speed driving mechanism is additionally arranged to assist in replacing the hopper, so that the situation that a person climbs up and down to enter equipment to inspect the hopper of the bucket elevator in the past is changed, the maintenance efficiency is improved, and uncertain potential safety hazards occurring in the inspection process are eliminated.

Description

TECHNICAL FIELD

[0001] The utility model relates to a bucket elevator, in particular to a bucket elevator convenient to maintain. BACKGROUND

[0002] For the bucket elevator hopper inspection maintenance process, adopt artificial to enter the inside of equipment, through many people cooperation, stand at the top of equipment, make the bucket, make the bucket elevator slow operation to replace the damaged hopper. The existing maintenance mode has the following two problems, on the one hand, from the number of personnel, the repair personnel need 4, 2 of which step on the bucket, the remaining 2 replace the hopper, during personnel fatigue needs to change position, time-consuming and laborious, the increase of the number of people makes that other faults cannot be reasonably arranged, and the production is delayed, on the other hand, from the equipment maintenance safety, since the missing of the hopper is too much, it can lead to the unbalance of the bucket elevator belt operation, leading to the serious runaway phenomenon during inspection, when the bucket elevator runs at high speed, the repair personnel cannot replace the hopper, and there is great safety hazard. SUMMARY

[0003] The utility model solves the technical problem in the prior art, and provides a bucket elevator which is reasonable in design, simple in structure and convenient to maintain.

[0004] In order to achieve the above object, the utility model adopts the following technical scheme:

[0005] A bucket elevator convenient to maintain, including casing, the rotating belt for being arranged in the casing and the plurality of hoppers for being installed on the rotating belt, the upper portion and the lower portion of the casing are equipped with the support shaft for supporting the rotating belt, the both ends of the support shaft are installed on the casing through the bearing, the lower portion of the casing is installed with the main motor for driving the rotating belt movement, the output end of the main motor is connected with the reduction gearbox through the coupler, its characteristics are that, the slow drive mechanism for driving the belt slow movement is connected between the coupler and the reduction gearbox, the slow drive mechanism includes the support and the reduction motor for being installed on the support, the output shaft of the reduction motor is installed with the small sprocket, the large sprocket for being transmissionally connected with the small sprocket is installed on the reduction gearbox, and the large sprocket is transmissionally connected with the small sprocket through the chain.

[0006] The technical problem solved by the utility model can also be realized through the following technical scheme, the base is arranged on the side of the casing, the lifting platform for placing the slow drive mechanism is arranged above the base, the drive cylinder for driving the lifting platform lifting is arranged on the base, the quick installation of the chain is realized through the lifting of the lifting platform.

[0007] The technical problem solved by the utility model can also be realized through the following technical scheme, the switch for controlling the reduction motor is installed on the support.

[0008] The technical problem solved by the utility model can also be solved through the following technical scheme, the shaft coupling is connected between the main motor and the coupling and between the coupling and the speed reducer.

[0009] The technical problem solved by the utility model can also be solved through the following technical scheme, the speed reducer motor is a frequency conversion motor.

[0010] Compared with the prior art, the utility model discloses a slow driving mechanism is added, the slow driving mechanism is used for checking the hopper one by one through the slow driving rotation belt, and the slow driving mechanism is used for assisting the replacement of the hopper, the slow driving mechanism is used for changing the previous personnel to climb into the equipment to check the hopper, the slow driving mechanism is used for improving the maintenance efficiency, and the slow driving mechanism is used for eliminating the uncertain safety hidden danger in the checking process, the large sprocket, the small sprocket and the speed reducer are used for matching the corresponding maintenance speed of the slow driving mechanism, the slow driving mechanism is used for being convenient to operate, saving labor and safe in use. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 The utility model discloses a slow driving mechanism of the hopper type elevator convenient to maintain.

[0012] In the drawing, 1 is the shaft coupling, 2 is the coupling, 3 is the large sprocket, 4 is the small sprocket, 5 is the speed reducer motor, 6 is the main motor, 7 is the speed reducer, 8 is the hopper, and 9 is the casing. DETAILED DESCRIPTION

[0013] The technical scheme in the utility model embodiments will be apparently and completely described below with reference to the drawings in the utility model embodiments, and apparently, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments.

[0014] In the description of the utility model, it is understood that the orientation or position relation indicated by the terms "up", "down", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and the like is the orientation or position relation based on the orientation or position relation shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0015] REFERENCE Figure 1 A hopper type elevator convenient to maintain, including casing 9, be located in the rotating belt of casing 9 and be loaded on the rotating belt and several hoppers 8, the upper portion and lower portion of casing 9 are equipped with the support pivot for supporting rotating belt, and the support pivot both ends are installed on the casing through bearing, and the lower portion of casing is installed with main motor 6 for driving rotating belt movement, and the output end of main motor 6 is connected with speed reducer 7 through coupling 2,

[0016] A slow driving mechanism for driving the slow movement of the belt is connected between the coupling 2 and the reduction gearbox 7; the slow driving mechanism comprises a support and a reduction motor 5 mounted on the support, the reduction motor being a cycloidal pin wheel reduction motor, a small chain wheel 4 is mounted on the output shaft of the reduction motor 5, a large chain wheel 3 is mounted on the reduction gearbox 7 and is in driving connection with the small chain wheel 4, a switch for controlling the reduction motor is mounted on the support, and a shaft coupling is connected between the main motor and the coupling and between the coupling and the reduction gearbox.

[0017] The driving mode is,

[0018] The main motor is connected with the coupling, the coupling is connected with the shaft coupling, the shaft coupling is connected with the reduction gearbox, the reduction gearbox is connected with the gear coupling, the gear coupling is connected with the drum of the bucket elevator, the drum drives the rotating belt inside the bucket elevator, a plurality of hoppers are arranged on the rotating belt, and the material is lifted from the bottom to the highest position into the silo through high-speed operation;

[0019] The reduction motor is additionally mounted, the large chain wheel and the small chain wheel are connected through the chain, and slow rotation is realized, wherein, the principle of the coupling, the main motor is driven to rotate at high speed, the coupling is driven, the hydraulic oil inside the coupling drives the other end to rotate due to centrifugal force.

[0020] A base is arranged on one side of the shell, a lifting table for placing the slow driving mechanism is arranged above the base, a driving cylinder for driving the lifting table to lift is arranged on the base, and the chain is quickly installed through the lifting of the lifting table.

[0021] The bucket elevator convenient to maintain changes the transmission part of the bucket elevator, installs the slow driving mechanism, assists in replacing the hopper, is convenient to operate, saves labor, and is safe to use. Considering that the slow driving mechanism does not pursue high speed and the actual situation of the working environment of the bucket elevator, the chain wheel and chain transmission mode is selected. The slow rotation of the bucket elevator is realized through the transmission between the adjustable speed motor and the chain wheel, the purpose of checking the hopper is achieved.

[0022] The economic benefits generated by the bucket elevator convenient to maintain are,

[0023] First, the direct economic benefits:

[0024] The average monthly operation amount before implementation is 1526 tons; the operation efficiency is improved by 18.6% after implementation, and it is expected that the operation amount can be increased by 1526*12*18.6%=3406 tons per year;

[0025] According to the pure profit of 12 yuan / ton brought by ton bag operation, it is expected that the company can create more pure profit: 3406x12=40872 yuan per year;

[0026] Second, the indirect benefit: the operation is reduced from 4 to 2, which improves the labor productivity by 50%; the maintenance worker is completely liberated from emergency maintenance to engage in other equipment maintenance work, which reduces the labor intensity and improves the equipment intact rate.

[0027] The above describes only the preferred specific embodiments of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A bucket elevator facilitating maintenance, comprising a casing, a rotating belt arranged in the casing, and a plurality of buckets arranged on the rotating belt, the upper and lower portions of the casing are provided with support shafts for supporting the rotating belt, the support shafts are arranged on the casing through bearings at both ends, a main motor for driving the rotating belt to move is arranged on the lower portion of the casing, and a reducer box is connected to the output end of the main motor through a coupler, characterized in that, A slow driving mechanism for driving the slow movement of the belt is connected between the coupling and the reduction gearbox; the slow driving mechanism comprises a support and a reduction motor mounted on the support, a small chain wheel is mounted on the output shaft of the reduction motor, a large chain wheel is mounted on the reduction gearbox and is in driving connection with the small chain wheel, and the large chain wheel is in driving connection with the small chain wheel through a chain.

2. A bucket elevator facilitating maintenance according to claim 1, characterized in that A base is arranged on one side of the casing, a lifting platform for placing the slow driving mechanism is arranged above the base, and a driving cylinder for driving the lifting platform to lift is arranged on the base.

3. A bucket elevator facilitating maintenance according to claim 1, characterized in that A switch for controlling the reduction motor is mounted on the support.

4. A bucket elevator for ease of maintenance according to claim 1, wherein A shaft coupling is connected between the main motor and the coupling and between the coupling and the reduction gearbox.

5. A bucket elevator facilitating maintenance according to claim 1, characterized in that The reduction motor is a variable frequency motor.

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