SU1173190A1 - Arrangement for controlling dosage loading of railway cars - Google Patents

Abstract

MANAGEMENT DEVICE OF DOSED LOADING RAILWAY CARS, containing conveyor scales installed on the feed conveyor, and platform scales with a dial gauge with built-in photosensor unit, Wagon type sensor connected to the factor setting unit, supply control units and the bodywork templates and accessories for the application patterns and accessories that set the template for the application patterns. movement of cars, characterized in that, in order to increase the accuracy of the uniform weight loading of the cars, a logic control unit is inserted into it , the displacement sensor of the traction unit and the position sensor of the car, and the inputs of the logic control unit are connected respectively to the outputs of the displacement sensor of the traction unit, conveyor scales and coefficient setting unit, and the outputs of the traction unit control unit, the loading conveyor control unit and a dial gauge photo sensor unit, the other input of which is connected i with the unit of the car type, and the output is connected with the inputs of the control unit O) by the traction unit, the logic unit of the control unit and the unit Agon control output of which is connected to one input of the control unit by the feeding conveyor, and the other input of which, the control unit input unit input feed conveyor and the traction control unit are connected to the audio output transducer polozheCh carriage. :about

Description

11 The invention relates to the management of loading rail cars using weighing equipment and is intended, in particular, for the dosed loading of cars with iron ore concentrate in the mining industry. The purpose of the invention is to improve the accuracy of the uniform weight loading of cars. FIG. 1 shows a block diagram of the proposed device; in fig. 2 - functional scheme of the unit type cars; in fig. 3 functional scheme of the photosensor unit; in FIG. 4 - location of photo sensors in the dial gauge; in fig. 5 - functional logic block; in fig. 6 illustrates the point-to-step mode of carload loading. The device contains a wagon type setting device 1 connected to a block of 2 coefficients and a block of 3 photo sensors embedded in a dial indicator 4 weights of carload platform scales 5. The outputs of a block of 2 coefficients are connected to inputs K (and K of a logic unit 6 inputs whose weight and movement are connected respectively with a pulsed output of the belt scales 7 and sensors 8 of the linear displacements of the traction unit 9, the pitch and stop outputs are connected respectively with the forward and stop inputs of the control unit 10 of the traction unit drive 9, and the forward and back outputs are called hell is connected to the same inputs of the control unit 11 of the drive of the reversing conveyor 12. You move the dose of the logic unit 6 is connected to the same input of the photo sensor unit 3, the reverse output of which is connected to the input of the unit setting wagon type 1, the reset input of the logical unit 6 and the second input of the block 10 controlling a tractor assembly 9, the second input of which is connected to the output of the sensor 13 of the position connected to the start-up of the reverse-drive conveyor drive control unit .12 and the feed drive control unit 14. lonnogo conveyor 15, whose stop input is connected with the same output type 1 Setpoint carriages. At 02 of FIG. 1 also shows loaded wagons 16 .. Wagon type 1 setter (see Fig. 2.) contains m p-position switches 17, -17 (t-number of wagons in the composition supplied for loading, n-number of wagon types by weight of loaded concentrate), whose fixed contacts of the same name are combined and form n output tires, a sampling setpoint device 1, and their movable contacts through, dissociating diodes 18 (- 18, connected to the corresponding outputs. 1 - IT. m - channel ring distributor 19 pulses, clock the input of which forms the input shift master a 1 car type associated with one input of an element I 20, the second input of which is connected to the last m-th output of the distributor 19, and the output forms the output bus stopping device 1. The photo sensor unit 3 (see FIG. 3) contains p photo sensors 21, - 21 (n is the number of types of cars by weight of the loaded concentrate), each of which contains an illuminator and a photodiode. Some of the outputs of the illuminators of all photosensors in 21 (- 21 form the n inputs sample, their second conclusions are combined and form the dose input 3 photo sensor units, photodiode anodes of all photo sensors are connected to the zero bus, and their cathodes are combined and connected to the input of the pulse driver 22, connected via a resistor to the power bus, while the output of the pulse driver 22 forms the reverse side of the photosensor unit 3. Photosensors 21 (- 21 j, are located at the points of the scale of the dial gauge 4, which are assigned to the appropriate dose, with the axis of the arrow which is rigidly connected to the three-pointer simulator 24 of the arrow, interacting (blocking the luminous flux) with the photosensors 21, - 21,. depending on capacity, category and route, are divided into nine types, with the gross weight (in tons) of all nine types of cars forming a numerical series of 85, 86, 87, 88, 89, 90, 91, 92, 93, 128, from which it is clear that, with the exception of the ninth type, the loading of cars of every two adjacent types differs by one tonne. Therefore, eight of the nine photosensors 21, 21g should be placed on a small arc of the dial gauge scale 4 from 85 mark 83. For example, for 160 tons This arc is 18 or 0.05 of the full scale. In this case, the placement of photosensors is difficult due to structural difficulties. Moreover, with such close placement in photosensors, the illuminator can influence: the selected photosensor on photodiodes The first photosensors, which, in turn, require additional protection measures, in the proposed device, photosensors are placed as follows: The first eight of the nine photosensors 21) - 21g are divided into three groups (24 arrows by the number of simulator petals), and photo sensors 21, 214 21 of the first group, corresponding to the first, fourth and seventh types of cars, are placed at the dial marks of the dial indicator 4, coinciding with the gross weight of these types of cars, namely, marks 85 t, 89 t, photosensors 21, 21 and 21g of the second group are shifted by 120 and photo sensor and 21, and 21g of the third group at 240 ° relative to the dial marks of the dial indicator 4 corresponding to these types of cars. The photo sensor 21q is placed at a mark of 128 t, corresponding to the gross weight of the wagons of the ninth type. The arrangement of the photosensors 21 in the weight dial indicator 4 is shown in FIG. 4. Sensors are placed on a fixed ring attached to the back of the pointer. Photo sensors 21 ,, 214, 21 of the first group and photo sensor 21, j form the reverse output signal when their luminous flux overlaps with the first lobe of the simulator 24 arrows, the initial position of which coincides with the zero mark of the dial indicator 4; Photo sensors 212, C 8 of the second group and 21, 21 of the third group form an output signal when their luminous flux overlaps, respectively, with the second and third lobes of the simulator 24 shifted relative to the first lobe by 120 and 240, counting clockwise (see FIG. 4 , back view). Logic block 6 (see Fig. 5) contains two controlled frequency dividers 25 and 26 with division factors G Gyyyy Gg 4q, respectively, and G is the carrying capacity of the car. q is the price of weight pulses produced by a conveyor scale 7, t; L is the length of the loaded car, m ;: 1 is the price of the traveling impulses from the output of the sensor 8 linear displacements of the tractor aggregate-. These 9, m dividers 25 and 26 are connected to the inputs of motion and weight, respectively, and their control buses are connected to the inputs of the logic unit, respectively. 6. The output of frequency divider; 25 is connected to the output bus of the logical block 6 and connected to the input of a binary two-bit counter with 27 steps, the inverse output of the upper trigger of which is connected to the output bus dose and connected to the input of the operation of the frequency divider. 26. The output of the divider 26 is connected to the installation input in 1 of the direction trigger 28 and with one input of the element 29, the second input of which is connected to the forward output of the trigger 28 connected to the enable input of the frequency divider 25, and the output of the element 29 is connected output bus logical block 6 pitch. Direct and inverse outputs of trigger 28 form forward and reverse exits respectively, and its input to O is the reset input of logic block 6, the proposed device implements a point-by-step technology for loading iron ore concentrate following. An empty train consisting of ten wagons of various lifting capacity HocTHj is delivered by a traction unit to a loading point. When the head car occupies the initial position under the reversing loading conveyor (see fig.b), the train stops, the loading conveyor in the rearward direction and the feeding conveyor are sequentially started.

Concentrate begins to flow into the car, loading a cone in the tail end of the car.

After dumping the I cone, constituting TD load capacity of the loaded car in tons (coarse load on conveyor weights on the feed conveyor), the loading conveyor reverses in the forward direction and the concentrate flow enters the head part of the car, loading the II cone (see Fig. bb)

After optics II cone (also

G

Vruba download -g) gives the command

traction assembly for forward movement The composition is extended one step

(, - the length of the loaded wagon), and the III cone is loaded (also

ba download -g. cm fig.bv), after dressing of which the composition is again drawn to one. Step and load the last 1 кон cone. When loading a cone (after the second step), the loaded car is completely installed on the platform of the car scale (see Fig. 6 g) and further loading occurs during continuous weighing of the car, which ensures its precise loading.

The loading of the 1st cone continues until the gross weight of the car with an accuracy I provided by the car platform weights reaches a predetermined value, after which the loading conveyor is reversed backwards again and the concentrate flow enters the next car. the unit and the train are moved forward until the next car has reached the loading start point (see Fig. 6 d), and the next car loading cycle is repeated.

The device for automatic control of the installation for dosed loading of cars with iron ore concentrate in point-by-step mode works as follows.

Before loading, the operator on the switch x 17 (- 17 setting wagon type 1 (see figure 2) dials the wagon type numbers in the sequence of their placement as part of the head car. The circular m-channel distributor 19 impulses of the setting 1 are at the same time the initial state in which a single signal is present at its first output. This signal polls the switch 17 in the ikhon state, set to the i -th position corresponding to the head car type cipher. Consequently, on the i-th output bus As there is a single signal that sinks into the photo sensor unit 3 at the corresponding i and sample input and then to the first output of the photosensor illuminator 21 (see Fig. 3). However, the illuminator does not turn on, since its second output connected to the input dose of 3 photosensor unit, there is no zero potential resolving yet.

At the same time, a single signal from the i -th output bus, a sample of the setting device 1 of the type of cars enters the block of 2 coefficients and generates at its output tires K / f and K Dual

Own codes of the coefficient K.l-

Determining the amount of concentrate to be placed in one cone and the coefficient

To opr | tshchayuschy length schaga

(distance between adjacent cones). The binary codes of the coefficients K and K are transmitted to logic block 6 (see Fig. 5) on the bus to control frequency dividers 26 and 25, respectively.

After entering into the device data on the types of cars of the train, the operator uses the remote controlled traction unit to deliver the train to the loading path. Further operation of the device until the end of the loading of the last car occurs automatically.

The head car 16 is pulled up under the loading point and acts on the car position sensor 13 (for example, a photo relay), as a result of which the reversing feed conveyor 12 and the feeding inclined carrier 15 are started, the reversing conveyor 12 is started in the direction of Lenin back, since in the initial state the direction trigger 28 in logic block 6 is in the zero state and from its inverse output a single signal arrives on the output bus back of block 6 connected to the same input of control block 11 water conveyor 12. At the same time, the signal from the output of the sensor 13 of the position of the car arrives at one of the inputs of the stop unit 10 of the drive control unit - the booster unit 9 and causes it to stop. In this case, the head car occupies the initial position under the loading conveyor 12 (see FIG. 6 a), through which the concentrate enters the tail part of the car, forming the I cone. When the concentrate flow moves along the conveyor 15 and further along the reversible conveyor 12 into the loaded wagon 16, the weighing conveyor 7 pushes pulses, the frequency of which is proportional to the intensity of the flow. Weight pulses from the output of conveyor scales 7 enter the weight of logic unit 6 connected to the input of a controlled frequency divider 26 (see Fig. 5), at the resolution of which operation there is a resolving single signal from the inverse output of the high trigger the binary counter has 27 steps, and the control bus receives the binary code of the division factor Kj /. Consequently, at the output of the frequency splitter 26, each of the incoming weighing impulses received at the inlet appears, indicating that the dumping of the loading cone is complete. The error of loading the cone in this case determines the error of the belt scales 7 o. This ensures rough loading of the first three cones. After dumping I cone impulse. From the output of frequency divider 26, it enters the installation into 1 direction trigger 28 and, on the trailing edge, converts it to a single state, as a result of which the signals taken from the output buses forward and backward of logic unit 6 are reversed. The loading conveyor 12 is reversed in the forward direction, and the concentrate flow enters the head part of the car. The second pulse from the output of frequency divider 26, indicating the end of loading of the second cone, does not change the unit state of the direction trigger 28, passes to the output of the element 29, connected to the output bus, step of the logic unit 6. At the same time, in the drive control unit 10 unit 9 receives a command to move in the forward direction. The composition is drawn in the indicated direction. The traveling pulses produced by the sensor 8 of the linear displacements of the traction unit 9 are fed to the movement input of the logic unit 6, which is associated with a platoon of the controlled frequency divider. 25J at the permission input of which, after dumping I of the cone, the resolving single signal from the direct output of the direction trigger 28 is set, and the binary code of the division factor Kj is inputted to the control buses. Hence, at the output of the frequency divider 25, every K. received at its entrance track pulses. After pulling the loaded car one step a pulse from the output of frequency divider 25 is fed to the input of a binary two-bit counter 27 steps, where it stores from and simultaneously to the output bus the logical block 6 connected to the same input of the drive unit 10 of the driving unit 9. The composition stops and the cone III is loaded. The appearance of the third impulse from the output of the frequency divider 26 weight impulses again leads to the formation of the command of the traction unit 9 to move forward, and after pulling the loaded car to the next step, as evidenced by

the pulse from the output of the frequency divider 25 track pulses, the composition stops again and the loading of the last 1 of the cone begins.

After pulling the train in two steps, the loaded head car is completely installed on the weighing platform (see Fig. 6g) and, CJJ, further loading of the car to a given dose occurs during its continuous weighing with an error of the weights, i.e. precise loading of the car to a given dose is carried out.

This happens as follows. The counter 27 steps, when pulses arrive at its input, is set to state 01, at which the zero frequency from the inverse output of the high trigger prevents the work of the frequency divider 26 of the weight pulses. At the same time, this zero potential through the output bus dose enters the block 3 photosensors (see Fig. 3) and turns on the illuminator of the photosensor 2 | j-, corresponding to the type of the head car, since the second light of the illuminator on the i - and sample bus from type 1 adjuster wagons enters a single potential. The illumination of the photodiode 2-1 of the i -th photosensor leads to a change in the signal 22 from 1 to O at the input of the imager, however, the imager that reacts to the reverse change of the input signal from O to 1 does not produce an output signal.

As mentioned above, the petals of the simulator 24 arrows are shifted relative to each other by 1/3 of the dial of the dial gauge (120) or about 50 tons (for 160-ton weights), and since the gross weight of the first eight types of cars (see Table) is located each time the scales 85 and 93 of the scale, then each of these photosensors intersect in succession with two petals of three (the photo sensor corresponding to the ninth type of carriages intersects with all three petals).

However, the intersection of the selected photo sensor with the first lobe (the first two for the ninth type of cars) does not lead to the formation of a premature (spurious) signal at the output

bus reverse unit 3 photosensors, since its illuminator at this point is still de-energized. The illuminator is switched on (see above) after loading the first three cones and the subsequent installation of the loading wagon onto the weighing platform, which means after the first lobe passes through the selected photo sensor corresponding to the type of the loading wagon.

For example, a car of the 1st type, the gross weight of which is 85 tons at the time of turning on the illuminator of the photosensor 21J is already loaded by 3/4 and its weight with tare is approximately 70 tons, therefore, the petals of the simulator 24 are arrows whose position in the original state corresponded to marks O, 50, scales, occupy new positions corresponding to marks

 (one

i70,120, 1b, ° (176), and the selected photo sensor 21

illuminator

 one

which included is located at around 85 of the dial gauge scale. .

The loading of the 1st cone continues until the gross weight of the car reaches a predetermined value at which the luminous flux of the illuminator of the photosensor 21 overlaps with the petal of the simulator 24 arrow. Its photodiode darkens, which leads to a change in the signal at the input of the imaging unit 22 from O to 1. The imaging unit 22 generates a pulse signal, which is fed to the output bus by reversing the photo sensor unit 3 and performs the following functions.

In logic block 6 (see Fig. 5), this signal transmits to the input of the installation in O of the direction trigger 28 and returns it to its original state, which leads to reversing of the loading conveyor 12 in the backward direction and, consequently, switching the concentrate flow to the next railway carriage.

At the same time, the same signal (its s, adny front) arriving at the clock input of the g-channel ring distributor 19 of the wagon type setting device 1 (see Fig. 2), 1 of its first bit, is shifted to

the second, while on the output tires a sample of the dial 1 of the type of cars, receives the cipher, the type of the second car dialed on the switch 172.

In addition, the same signal received at the input block forward. 10, the drive train control unit 9 is switched on, and the train is moved forward until the second car reaches the starting point for loading (the moment the car position sensor 13 triggers). The car loading cycle is repeated.

When loading the last car, the reverse signal received on

shift

setting device type 1

Newly, goes to the output of the element And 20, since during the operation of this signal at the second input of the element And 20 there is still a single signal from the last output of the m-channel ring distributor 19.

And 20

The signal from the output element

.IT,

through the output bus, the stop of the 1. car type sensor arrives at the same input of the drive control unit 14 of the feeding conveyor 15, as a result of which the conveyor 15, as well as the reversible loading conveyor 12, are turned off.

...

/ 7;

%

I I "1

123 m-i

nineteen

l ±:

..J

Figure 2 Three-petal imitator Shooter E5 Dial Ring Photo Dot

fpus, f

Places of installation

Dzododatchiko on the ring Rear view

Claims (1)

DEVICE FOR MANAGING THE DOSED LOAD OF RAILWAY CARS, containing conveyor scales mounted on the feed conveyor, and platform scales with a dial ('pointer having a built-in photosensor unit, a wagon type adjuster connected to the coefficient setting unit, feed and load conveyor control units and loading conveyors and unit displacement carriages, characterized in that, in order to increase the accuracy of uniform weight loading wagons, incorporated in it _# logic control unit, Dutch to the displacements' of the traction unit and the position sensor of the carriage, the inputs of the logical control unit being connected respectively to the outputs of the displacement sensor of the traction unit, conveyor weights and the unit for setting coefficients, and the outputs to the control unit of the traction unit, the control unit of the loading conveyor and the block of photosensitive dial a pointer, the other input of which is connected to a wagon-type master, and the output - to the inputs of the traction unit control unit, the logical control unit and wagon-type master, I control s output is connected to one input of the control unit by the feeding conveyor, and the other input of which, the input control unit feed conveyor and the input driving unit control unit connected to the output of the car position sensor. P73190 11731