Because of the structure problem of the car dumper apron feeders, the equipment failure is frequent and maintenance is difficult. Aiming at the existing problems, the fault points of the conveying device are analyzed and the solutions are put forward.

In the use of vibratory separator, usually there will be short bearing life, excessive bearing temperature, shed oil, axle fracture and other failures, which not only affect the normal full play of vibratory separator efficiency, reduce the service life of parts of vibratory separator and lubricating oil and increase the consumption of spare parts and materials, but also accrete the labor intensity of repairmen and production workers. Therefore, the assurance to keep normal operation is an essential prerequisite to appropriately handle these failures, which can not only improve the economic b

Vibrator separator is widely used in mining, building materials, metallurgy, cement and other industries of fine material separation and recovery operations, which is the most effective imitation of human manual action and process of the screening machine. The standard procedure for operation and maintenance of vibrating screen is established and the operation of operators and maintenance work of repairmen are regulated to ensure the safety of personnel and the normal operation of vibrator separator.

Trough chain conveyor runs continuously in practice, which means the stable operation of equipment is crucial to production. Trough chain conveyor is widely used in bulk handling system of cereals, fodder, chemical engineering and other industries with the advantages of simple structure, small volume, good sealing, stable material flow, high temperature resistant and so on.

Ultrasonic vibrator separator It is mainly applicable to the vibration equipment for screening and removing impurities of high fine powder materials. It consists of ultrasonic screening system, pedestal, vibration motor, damping spring, frame and screen mesh. With the advantages of high screening accuracy and large output, it can solve the screening problems of fine powder materials such as easy adsorption, easy to stick to the screen and high electrostatic.

the corrugated sidewall belt conveyor adopts the conveyor belt with corrugated retaining edge and diaphragm, which is especially suitable for the continuous conveying of bulk materials with large inclination angle. It can be widely used in coal, chemical, electric power, building materials, metallurgy, food, port and other industries. This paper mainly introduces the experience of design of the corrugated sidewall belt conveyor.

The chain is the crux and expensive wearing part of belt bucket elevator. The prime project of reducing the cost of late component change is to prolong the service life of chain, and good lubrication can reduce the additional resistance force and save energy. It is the key to reduce the late cost of component that how to improve the work efficiency of lubrication, shorten the refueling internal and ensure the refueling quality.

The implementation of the scheme has highly improved the resistance to wear and strength of the major wearing parts of the heavy duty apron feeder, the device service life has been improved and service cycle has been extended. That is to improve the crushing operation efficiency, and can reduce the maintenance frequency, save maintenance cost, and achieve the purpose of reducing the cost.

Vibratory Separator consists of several components including the screen box, the driving device, sieve shoe, the bearing frame and the damping device. To keep the mesh clean, vibratory separator can be installed various mesh cleaning system as required, such as bouncing ball, rolling brush, jet, the elastic scrape and ultrasound technology are used routinely when the screening material is powdery or the materials easy to block the mesh.

There are several processes to go through that the fiberglass chopped strand from the drawing of the precursors to the finished product. And due to the sealing system, before the finished product is bagged, it is difficult to avoid the long section yarn, the uncut section yarn, the wool yarn flying in the system closed space and the wool yarn roll formed by dust falling into the bag, and it is undetectable, which results in a reduction in the acceptance rate of finished products and even leads to rework and re-screening of a batch of finished products.

Vibratory Separator is consists of pedestal, ordinary motor, soft transmission mechanism, isolation spring, vibration exciter and screening components. Vibratory Separator is widely applied in screening fine powder, micro powder, ultra-fine powder, bar and dry and wet materials, which possesses the characteristics of closed totally, no dust spreading, continuous operation, high screening accuracy, high efficiency, high utilization of screen, rapid start and low noise.

As a kind of special vibrating machine with single vibration source, vibratory separator can be divided into direct connection model and drive model according to different vibration source structure. The vibration source of ordinary motor is composed of ordinary motor, flexible soft drive mechanism and exciter, which is widely used because of its convenient maintenance and low cost.

The sealing of driven shaft of z type bucket elevator shows the different degrees of leakage of mineral powder outward after they've been operating for a while. Because the bottom of z type bucket elevator is mostly placed in the pit, and there is no superior ventilation equipment, resulting in a large amount of mineral powder and materials dispersed in the air. In addition, because the mineral powder can not be discharged in time, will bring different degrees of safety threats to equipment operation and maintenance personnel.

Belt conveyor has special advantages in bulk transportation, with the development of society, people have more requirements for working condition, which has led to the development of belt conveyors from a single type to a variety of uses model, the corrugated sidewall belt conveyor supporting by wire rope has been emerged in such social tendency.

Belt conveyor is the most commonly used equipment for conveying bulk materials， but the transport inclination of ordinary belt conveyor should not be too large. Corrugated sidewall belt conveyor is a kind of specially designed for large inclination conveying material of special conveyor， and applies to give priority to with vertical condition. In particular， when the material needs to be lifted to a certain height within a short horizontal length， the corrugated sidewall belt conveyor has the advantages of small area， simple construction and low engineering costs.

As the optional hosting device at home and abroad, belt bucket elevator produced by the introduction of foreign advanced technology, which widely used in such industries as the building materials, chemical engineering, mining and cereals. Due to the continuous operation at the highest intensity for a long time, the upper drum of belt bucket elevator often appears the problem of local bulge, delamination and abrasion, which is a hidden trouble for safety work in enterprises.

Apron feeder is widely used in the process of selection and transfer in metal mine, quarrying, metallurgy and cement, which can be installed horizontally and obliquely. The main problem of the existing apron feeder is that the conveying chain is easy to wear and the conveying capacity is limited.In order to solve this problem, a new structure of chain track was adopted.

Apron Feeder is the auxiliary device which was used for material conveying in mining. Although there are different types of Apron Feeder in domestic market, they are about to equal in main structure. It mainly applied to materials in short distance, have the advantages of large carrying capacity and strong impact resistance. It is one of the indispensable devices in mining transportation. However, the normal transport has been affected largely due to the frequent phenomenon of the chain plate deviating in the using process.

When the corrugated sidewall belt conveyor has the disadvantages of poor material performance and easy to scatter, its return device is mainly used for the automatic recovery of material scattered on the ground in the lower horizontal section of the corrugated sidewall belt conveyor. To overcome the aboved deficiency, a kind of C type return device of corrugated sidewall belt conveyor which can effectively return all materials scattered from the corrugated sidewall belt conveyor to the large inclination belt was provided.

The motion trajectory of uniaxial inclined screen is generally round or oval, which is a screen machine achieve vibration by using a straining box with an eccentric block exciter. Compared with biaxial linear vibrating screen, the uniaxial inclined screen has been widely used in industry with the advantages of simple structure, low manufacturing cost and less maintenance workload.

In the field of automatic packaging, uniform is always an unsolved problem. Traditional technology has been the use of manual feeding, not only labour intensity, but also not timely feeding, resulting in a large number of defective packaging and empty belt. The purpose of this paper is to provide a Z type bucket elevator for lifting and feeding, which can automatically complete a series of lifting and feeding actions.

This paper provides a self-locking device for belt bucket elevator, which can automatically lock the adjusted tail wheel status, thus avoiding the disadvantages of belt bucket elevator causing the change of wheel status by free rotation during its operation.

Apron Feeders has some design defects such as too large cloth area, which leads to unstable feeding and too large material quantity. Such problems affect the operation of the subsequent equipment and the life of the semi-self-grinding lining plate. Therefore, a series of modifications have been made to the Apron Feeders to stabilize the feed quantity and ensure the continuous production.

Belt bucket elevator generally includes housing, wheel group,conveyor belt control device and drive device. In the process of conveying, due to the action of materials, the conveyor belt tends to run off, in serious case, it will be stuck, which affects agricultural production and reduces efficiency. The purpose of this paper is to provide a deviation device that can automatically correct the deviation of chain bucket elevator.

The utility model designs a feed-back device of a corrugated sidewall belt conveyor with poor performance and easy to cause spillage. It is mainly used in the automatic recovery of materials scattered on the ground in the lower horizontal section of corrugated sidewall belt conveyor, belong to the technical field of bulk material conveying machinery.