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Date submitted1980-11-20
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Date accepted1981-01-15
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Date published1981-05-28
Classification of systems of quarry motor transport and mathematical model of their optimization
- Authors:
- A. A. Kuleshov
Optimization tasks of quarry road transport systems are solved on the basis of their analysis and synthesis. Analysis consists in studying the properties of the system and the efficiency of its functioning depending on the structure of links between subsystems and elements ...
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Date submitted1980-11-15
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Date accepted1981-01-10
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Date published1981-05-28
Study of load characteristics of electromechanical transmission of heavy-duty dump trucks
The purpose of the study was to establish the characteristics of load modes of electromechanical transmission of heavy-duty dump trucks on a typical route of a deep-type quarry depending on the driving conditions - the characteristics of the road route and the degree of weight loading of the dump truck ...
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Date submitted1980-11-16
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Date accepted1981-01-08
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Date published1981-05-28
Fuel efficiency of BelAZ family dump trucks
- Authors:
- O. D. Serebrennikov
Fuel efficiency of road transport is determined by a number of factors that can be combined into three groups depending on the vehicle design, driving conditions and operational characteristics ...
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Date submitted1980-11-05
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Date accepted1981-01-08
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Date published1981-05-28
Built-in device for accounting of BelAZ-549 dump truck operation in static and dynamic modes
- Authors:
- V. A. Gardzish
- M. A. Semenov
The main indicator characterizing the work of a heavy-duty dump truck BelAZ-549 is the mass of transported cargo. Automatic accounting of this indicator can be performed with the help of the built-in device both in static and dynamic modes ...
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Date submitted1980-11-08
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Date accepted1981-01-15
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Date published1981-05-28
Calculation of turning parameters of pneumatic wheeled machines with on-board drives
- Authors:
- I. I. Margolin
On the turn of a pneumatic wheeled machine equipped with motor-wheels or side drives, in the absence of special means of regulation of each driving wheel or driving wheels of different sides, the distribution of load between the wheels depends on the mechanical characteristics of the drives, on the tires of the pneumatic wheeled machine and on the radius of turning of the machine, which, in turn, affects the coordinates of the center of turn ...
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Date submitted1980-11-23
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Date accepted1981-01-21
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Date published1981-05-28
Determination of the resistance coefficient to motion along the curvilinear trajectory and the turning moment of the steering wheels of the mine pneumatic wheeled cars.
- Authors:
- I. I. Margolin
The uniform circular motion of an elastic wheel can be represented as a complex motion consisting of straight-line rolling and uniform rotation about a vertical axis passing through the center of contact, which in general is displaced relative to the midplane of the wheel due to the action of the lateral force ...
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Date submitted1980-11-01
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Date accepted1981-01-30
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Date published1981-05-28
Application of modernized cars VD-5,6 at the mine "Leningradskaya" of the production association "Leningradslanets".
- Authors:
- N. T. Karelin
- O. I. Sergeev
To prevent spillage of cargo in the gaps between the end walls of the cars and to ensure the loading of all cars of the train during its continuous movement under the unloading end of the conveyor (or under the feeder of the loading hopper) without stopping the conveyor (or feeder) at the loading points of the locomotive rolling different types of car loaders ...
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Date submitted1980-11-27
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Date accepted1981-01-28
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Date published1981-05-28
Methodology of determining the design parameters of the surface of the driving vacuum drums of belt conveyors
- Authors:
- K. A. Vasiliev
- B. P. Zhuravlev
The tractive capacity of the driving vacuum drum with a perforated shell is determined by the equation ...
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Date submitted1980-11-10
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Date accepted1981-01-16
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Date published1981-05-28
Problem of creation of multi-drive belt conveyors with intermediate vacuum drives
- Authors:
- K. A. Vasiliev
- D. A. Jungmeister
Improvement of conveyor transport of the mining industry both at open and underground mining goes on the way of steady increase in the length of belt conveyors in one stack in order to reduce the number of reloading points and transportation links in the conveyor lines ...
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Date submitted1980-11-28
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Date accepted1981-01-29
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Date published1981-05-28
Calculation and selection of conveyor sludge pickers
- Authors:
- Yu. D. Tarasov
Spillage in the sub-conveyor space is formed as a result of incomplete cleaning of the working surface of the conveyor belt by existing designs of cleaners and subsequent partial or almost complete self-cleaning of the belt when interacting with the roller bearings of the idle branch of the conveyor ...
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Date submitted1980-11-21
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Date accepted1981-01-05
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Date published1981-05-28
Cleaning of conveyor belt conveyors subconveyor space
- Authors:
- Yu. D. Tarasov
- A. M. Tregubov
At a number of cement quarries of the country for transportation of both overburden rocks and cement raw materials are introduced belt conveyors of KLM, KLZ, KLO types with the length of the pack up to 1 km, allowing in principle not only to fully mechanize, but also to automate the process of moving the rock mass ...
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Date submitted1980-11-21
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Date accepted1981-01-26
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Date published1981-05-28
Methodology of prediction of pulp conveyor wear
Analysis of the work of hydrotransport complexes at mining enterprises shows that so far the efficiency of hydrotransport does not correspond to the technical capabilities of this type of transportation ...
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Date submitted1980-11-12
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Date accepted1981-01-25
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Date published1981-05-28
Optimization of pulp conveyor parameters for long-distance coal hydrotransportation
- Authors:
- V. N. Pokrovskaya
- V. P. Dokukin
Economic efficiency of hydrotransportation is based on the compliance of transportation parameters with the minimum costs of construction and operation of the hydrotransportation system ...
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Date submitted1980-11-24
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Date accepted1981-01-19
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Date published1981-05-28
Calculation methodology of culvert devices in the hydraulic transportation system
- Authors:
- Yu. N. Gulyaev
- A. S. Medvedev
Hydrotransport of bulk materials has become widespread in the removal of industrial waste at mining, metallurgical and energy enterprises, so there was a need to develop scientifically based methods of calculation of hydraulic conveying systems ...
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Date submitted1980-11-24
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Date accepted1981-01-18
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Date published1981-05-28
Investigation of axial loads of ground pumps in schemes with sequential inclusion
- Authors:
- D. G. Povolotsky
Axial hydraulic force is the sum of unbalanced forces acting on the impeller in the axial direction. They arise from the interaction of the impeller with the flow of hydraulic mixture and are balanced by the axial reaction in the bearings mounted on the pump shaft ...
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Date submitted1980-11-17
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Date accepted1981-01-01
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Date published1981-05-28
Influence of surface-active substances on energy characteristics of hydraulic transportation
- Authors:
- E. V. Sergeev
Anomalous influence of various surface-active substances (surfactants) on the hydraulic characteristics of suspended flows and flows of homogeneous liquid should be studied in the design, operation and calculation of water conduits and slurry lines at the processing plants of non-ferrous and ferrous metallurgy, coal hydromines, etc. ...
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Date submitted1980-11-14
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Date accepted1981-01-09
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Date published1981-05-28
Operating parameters of installations for pneumatic transportation of discrete pulp samples
- Authors:
- A. N. Frakman
Currently, in the USSR and abroad, much attention is paid to the creation of automated process control systems (ACS TP), in particular, at the enrichment plants ...
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Date submitted1980-11-19
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Date accepted1981-01-15
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Date published1981-05-28
Use of plate thickeners for thickening of enrichment waste for the purpose of filling the excavated space
- Authors:
- A. N. Klets
The experience of domestic and foreign mines shows that in the absence of near the mines in sufficient quantities of inert material (gravel, crushed stone, sand) necessary for solidification of inert material (gravel, crushed stone, sand), it is possible to successfully use the current waste from the beneficiation of non-ferrous metal ores ...
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Date submitted1980-11-21
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Date accepted1981-01-18
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Date published1981-05-28
Calculation of spiral-chain type traction device
- Authors:
- N. B. Boytsov
- A. B. Nezametdinov
In LMI works on research and creation of new working bodies of mining machines with spiral-chain type drive ...
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Date submitted1980-11-18
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Date accepted1981-01-13
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Date published1981-05-28
Determination of mining equipment reserve value
- Authors:
- B. S. Borsch
One of the ways to ensure the fulfillment of the planned task by the mining enterprise is general redundancy, in which there is some unloaded reserve of machines, replenishing the fleet of operating ones when they fail before the scheduled repair ...
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Date submitted1980-11-28
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Date accepted1981-01-09
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Date published1981-05-28
Statics of walking mining machines with moving masses
- Authors:
- I. P. Timofeev
During the experimental development of the seabed on the shelf of the Baltic Sea in 1977 tested walking machine with erlift working body, which moves on the seabed by changing the position of the center of mass when moving the working body along the support frame on one of the cantilevers ...