CN109405947B - Multichannel quantitative loading rail scale and metering method thereof - Google Patents
Multichannel quantitative loading rail scale and metering method thereof Download PDFInfo
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- CN109405947B CN109405947B CN201811438181.0A CN201811438181A CN109405947B CN 109405947 B CN109405947 B CN 109405947B CN 201811438181 A CN201811438181 A CN 201811438181A CN 109405947 B CN109405947 B CN 109405947B
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- scale
- rail
- feeding
- railway carriage
- track
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000005303 weighing Methods 0.000 claims abstract description 57
- 239000000463 material Substances 0.000 claims abstract description 52
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 238000007599 discharging Methods 0.000 description 2
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/02—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles
- G01G19/04—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles for weighing railway vehicles
- G01G19/06—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles for weighing railway vehicles on overhead rails
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
- Control Of Conveyors (AREA)
Abstract
The invention relates to a multichannel quantitative loading rail weighbridge and a metering method thereof, belonging to the metering weighbridge. The technical scheme who adopts is, including setting up three group's track on same pair of track, be first track scale, second track scale and third track scale respectively, the equidistance distributes between three group's track scales, wait that the railcar of loading is gone into on the track its front and back gyro wheel is in respectively on two sets of track scales that are adjacent around, be equipped with two sets of storage cases that hold the material on the railcar, the half length of each station carriage of two storage cases, the upper portion of storage case is open feed inlet, the track top of first track scale position is equipped with first feed system, the track top of position is equipped with the second feed system between the second track scale. The belt conveyor weighing device has the advantages that the original belt conveyor weighing device is used for weighing the belt conveyor weighing device, and the weighing accuracy is improved; three groups of track scales are arranged, two adjacent groups are used as a weighing channel, so that two materials can be sequentially weighed, the transport capacity is improved, and the transport capacity waste is avoided.
Description
Technical Field
The invention relates to a multichannel quantitative loading rail weighbridge and a metering method thereof, belonging to the metering weighbridge.
Background
The equipment for transporting the two mixed materials is that a set of belt scales is respectively arranged in two storage bins to charge materials into containers of each section of vehicles staying on the railway track through two charging ports.
However, due to the poor stability of the belt scale, it is not guaranteed that the magnitude of each container or truck is accurately controlled each time within the allowable limits of the railway. Once the multiple materials are detected by the dynamic rail scale, the unloading is very troublesome, so that the materials are not more loaded than the materials, and the capacity of the railway is seriously affected.
And because two different materials are required to be loaded at two different loading points, accurate and quick loading work is difficult to complete by adopting a common control method.
Disclosure of Invention
The invention provides a multichannel quantitative loading rail scale and a metering method thereof, solves the problems, realizes the real-time metering of total loading, effectively utilizes the capacity of a truck,
In order to achieve the above purpose, the invention adopts the technical scheme that;
The multichannel quantitative loading rail scale comprises three groups of rail cross sections which are arranged on the same pair of rails, namely a first rail scale, a second rail scale and a third rail scale, wherein the three groups of rail scales are distributed at equal intervals, the front roller and the rear roller of a rail carriage to be loaded are respectively positioned on two groups of rail scales which are adjacent front and rear after the rail carriage to be loaded enters the rail, two groups of storage boxes for containing materials are arranged on the rail carriage, one half of the length of each station carriage of the two storage boxes is provided with an open feed inlet at the upper part of the storage box,
The first feeding system is arranged above the track at the first track scale position, the second feeding system is arranged above the track at the position between the second track scales, and the first feeding system and the second feeding system respectively meter and convey different materials.
Preferably, front and rear rollers of the railway carriage are respectively positioned on a first rail scale and a second rail scale, the first rail scale and the second rail scale form a first weighing channel, and the first weighing channel is used for measuring the mass of the railway carriage; the front roller and the rear roller of the railway carriage are respectively positioned on a second track scale and a third track scale, and the second track scale and the third track scale form a second weighing channel.
Preferably, the distance between discharge holes of the first feeding system and the second feeding system is 4.6m, the distance between adjacent track scales is 2.5m, and the lengths of the three groups of track scales are 5m respectively.
Preferably, the first feeding system and the second feeding system respectively comprise a corresponding hopper and a belt scale arranged at the discharge port of the hopper, and the discharge end of the belt scale is led into a storage box of a railway carriage below.
A method for weighing by utilizing a multichannel quantitative loading rail scale, a first feeding system conveys materials and performs weighing,
1) Driving the railway carriage onto the rail, wherein a front row wheel set of the railway carriage is positioned on the first rail scale, and a rear row wheel set of the railway carriage is positioned on the rail;
2) The first feeding system starts one-time feeding, the hopper conveys materials into a front storage box of the railway carriage through the belt scale, the belt scale meters the conveyed materials, the one-time feeding weight accounts for half of the total conveyed materials, and after the belt scale detects that the preset one-time feeding weight is reached, the first feeding system stops feeding;
3) The method comprises the steps that a railway carriage is driven to a first weighing channel, namely a front row wheel set of the railway carriage is positioned on a second rail scale, a rear row wheel set of the railway carriage is positioned on the first rail scale, a first feeding system starts secondary feeding, the secondary feeding is carried out to a rear storage box of the railway carriage, materials in a hopper are conveyed into the rear storage box of the railway carriage through a belt scale, and the railway carriage is weighed in real time by the first weighing channel;
4) When the first weighing channel monitors the preset conveying weight, namely the difference weight between the preset total conveying weight and the primary feeding weight is reached, stopping secondary feeding of the first feeding system, and enabling the railway carriage to run out of the railway scale to the railway, wherein feeding conveying of the first feeding system is finished;
The second feeding system conveys the material and performs the step of weighing,
1) Driving the railway carriage to a first weighing channel, wherein a front row wheel set of the railway carriage is positioned on a second rail scale, and a rear row wheel set of the railway carriage is positioned on the first rail scale;
2) The second feeding system starts one-time feeding, the hopper conveys materials into a front storage box of the railway carriage through the belt scale, the belt scale meters the conveyed materials, the one-time feeding weight accounts for half of the total conveyed materials, and after the belt scale detects that the preset one-time feeding weight is reached, the feeding of the second feeding system is stopped;
3) The rail carriage is driven to a second weighing channel, namely, a front row wheel set of the rail carriage is positioned on a third rail balance, a rear row wheel set of the rail carriage is positioned on the second rail balance, a second feeding system starts secondary feeding, the secondary feeding is carried out to a rear storage box of the rail carriage, the materials in the hopper are conveyed into the rear storage box of the rail carriage through a belt scale, the rail carriage is weighed by the second weighing channel in real time,
4) And stopping secondary feeding of the second feeding system when the second weighing channel monitors the preset conveying weight, namely the difference weight between the preset total conveying weight and the primary feeding weight is reached, and enabling the railway carriage to run out of the railway scale to the railway, wherein the feeding conveying of the second feeding system is finished.
The invention has the advantages that the original belt scale feeding and metering is used for weighing the rail scale, and the weighing accuracy is improved; three groups of track scales are arranged, two adjacent groups are used as a weighing channel, so that two materials can be sequentially weighed, the standard load of a carriage can be more similar, the transport capacity is improved, and the transport capacity waste is avoided; two materials can be weighed and conveyed, and the problem that weighing and conveying of multiple materials are required to be carried out separately is solved.
Drawings
Figure 1 is a diagram of the loading of a bin in front of a first feeding system for a car according to the invention,
Figure 2 is a diagram of the loading of the bin of the present invention after a first feeding system,
Figure 3 is a diagram of the loading of the bin of the present invention prior to a second feeding system,
Figure 4 is a loading diagram of the bin of the present invention after a second feeding system,
Figure 5 is a circuit connection diagram in the track scale of the present invention,
Figure 6 is a wiring diagram of a rail balance pressure sensor of the present invention,
1. Railway carriage, 2, first track scale, 3, second track scale, 4, third track scale, 5, first feed system, 6, second feed system, 7, track, 8 terminal boxes, 9 weighing control system, 10 pressure sensor, 11 plugs, 101 front discharging box 102 back discharging box.
Detailed Description
The following is a further explanation of the specific structure of the present invention and its method,
The multichannel ration loading track scale comprises three groups of track rails which are arranged on the same pair of tracks, wherein the track rails are respectively a first track scale, a second track scale and a third track scale, the track scales are equidistantly distributed, the front roller and the rear roller of a railway carriage 1 to be loaded are respectively positioned on two groups of track scales which are adjacent front and rear after the railway carriage 1 to be loaded enters the track, two groups of storage boxes for containing materials are arranged on the railway carriage 1, one half of each station carriage of each storage box is long, and the upper part of each storage box is an open feed inlet. In practical application, the railway carriage is a flat-plate railway carriage, two containers with equal sizes are arranged on the railway carriage, and materials are loaded in the containers.
The track top of first track scale 3 positions is equipped with first feed system 5, and the track top of position between the second track scale 4 is equipped with second feed system 6, and first feed system 5 and second feed system 6 respectively measure and carry different materials. The first feeding system and the second feeding system respectively comprise a corresponding hopper and a belt scale arranged at the discharge port of the hopper, and the discharge end of the belt scale is led into a storage box of the lower railway carriage 1.
The front roller and the rear roller of the railway carriage are respectively positioned on a first rail scale and a second rail scale, the first rail scale and the second rail scale form a first weighing channel, and the first weighing channel is used for measuring the mass of the railway carriage; the front roller and the rear roller of the railway carriage are respectively positioned on a second track scale and a third track scale, and the second track scale and the third track scale form a second weighing channel.
Four groups of pressure sensors are arranged in the single track scale, the pressure sensors are connected into a weighing control system with a display screen through a junction box, and a belt scale of the feeding system is also connected with the weighing control system through wires. The weighing control system is Ke Li D12 electronic weighing instrument, and the product is widely used for metering and controlling wagon balance products. And the weighing control system controls the feeding quantity to reach a set quantitative value to control the belt scale to stop feeding, so that quantitative loading is completed.
The discharge hole spacing of the first feeding system 5 and the second feeding system 6 is 4.6m, the track scale spacing of the front-back adjacent track scales is 2.5m, the lengths of the three groups of track scales are 5m respectively, the size distances adapt to the distance of the current feeding system, and the size distances correspond to the sizes of the existing track scales and the track flat car.
The device can load and weigh two different materials, in particular to a step of conveying the materials by the first feeding system 5 and weighing the materials,
1) Driving the railway carriage onto the rail, wherein a front row wheel set of the railway carriage is positioned on a first rail scale, and a rear row wheel set of the railway carriage is positioned on a rail, as shown in fig. 1;
2) The first feeding system starts one-time feeding, the hopper conveys materials into a front storage box of the railway carriage through the belt scale, the belt scale meters the conveyed materials, the one-time feeding weight accounts for half of the total conveyed materials, and after the belt scale detects that the preset one-time feeding weight is reached, the first feeding system stops feeding;
3) The method comprises the steps of driving a railway carriage to a first weighing channel, namely, a front row wheel set of the railway carriage is positioned on a second rail scale, a rear row wheel set of the railway carriage is positioned on the first rail scale, a first feeding system starts secondary feeding, the secondary feeding is carried out to a rear storage box of the railway carriage, materials in a hopper are conveyed into the rear storage box of the railway carriage through a belt scale, and the railway carriage is weighed in real time by the first weighing channel, as shown in fig. 2;
4) When the first weighing channel monitors the preset conveying weight, namely the difference weight between the preset total conveying weight and the primary feeding weight is reached, stopping secondary feeding of the first feeding system, and after the feeding conveying of the first feeding system is finished, the railway carriage runs out of the railway scale to the railway.
The second feeding system 6 delivers the material and performs the step of weighing,
1) Driving the railway carriage onto the first weighing channel, wherein a front row wheel set of the railway carriage is positioned on the second rail scale, and a rear row wheel set of the railway carriage is positioned on the first rail scale, as shown in fig. 3;
2) The second feeding system starts one-time feeding, the hopper conveys materials into a front storage box of the railway carriage through the belt scale, the belt scale meters the conveyed materials, the one-time feeding weight accounts for half of the total conveyed materials, and after the belt scale detects that the preset one-time feeding weight is reached, the feeding of the second feeding system is stopped;
3) The rail carriage is driven to a second weighing channel, namely, a front row wheel set of the rail carriage is positioned on a third rail balance, a rear row wheel set of the rail carriage is positioned on the second rail balance, a second feeding system starts secondary feeding, the secondary feeding is carried out to a rear storage box of the rail carriage, the materials in the hopper are conveyed into the rear storage box of the rail carriage through a belt scale, the rail carriage is weighed in real time by the second weighing channel, as shown in figure 4,
4) And stopping secondary feeding of the second feeding system when the second weighing channel monitors the preset conveying weight, namely the difference weight between the preset total conveying weight and the primary feeding weight is reached, and stopping feeding of the second feeding system, wherein the feeding conveying of the second feeding system is finished, and the railway carriage runs out of the railway scale onto the railway.
The device is used for weighing and loading two materials at similar positions, adopts twice feeding metering, uses three independent rail scales to carry out combined weighing, controls feeding and weighing by the same weighing control system, reduces the use of metering equipment, feeds and meters in batches, and improves the accuracy of feeding and metering. Thus, the weight of the feed can be strictly controlled, and overload or underload can not occur.
Claims (3)
1. The multichannel quantitative loading rail scale is characterized by comprising three groups of rail cross sections which are arranged on the same pair of rails and are respectively a first rail scale, a second rail scale and a third rail scale, wherein the three groups of rail scales are distributed at equal intervals, front and rear rollers of a rail carriage (1) to be loaded are respectively positioned on two groups of rail scales which are adjacent front and rear after the rail carriage is driven into the rails, two groups of storage boxes for containing materials are arranged on the rail carriage (1), one half of each station carriage of each storage box is provided with an open feed inlet, a first feed system (5) is arranged above the rail at the position of the first rail scale (3), a second feed system (6) is arranged above the rail at the position of the second rail scale (4), and the first feed system (5) and the second feed system (6) are respectively used for metering and conveying different materials;
the front roller and the rear roller of the railway carriage are respectively positioned on a first rail scale and a second rail scale, the first rail scale and the second rail scale form a first weighing channel, and the first weighing channel is used for measuring the mass of the railway carriage; the front roller and the rear roller of the railway carriage are respectively positioned on a second track scale and a third track scale, and the second track scale and the third track scale form a second weighing channel;
a first feeding system (5) for transporting the material and for weighing the material,
1) Driving the railway carriage onto the rail, wherein a front row wheel set of the railway carriage is positioned on the first rail scale, and a rear row wheel set of the railway carriage is positioned on the rail;
2) The first feeding system starts one-time feeding, the hopper conveys materials into a front storage box of the railway carriage through the belt scale, the belt scale meters the conveyed materials, the one-time feeding weight accounts for half of the total conveyed materials, and after the belt scale detects that the preset one-time feeding weight is reached, the first feeding system stops feeding;
3) The method comprises the steps that a railway carriage is driven to a first weighing channel, namely a front row wheel set of the railway carriage is positioned on a second rail scale, a rear row wheel set of the railway carriage is positioned on the first rail scale, a first feeding system starts secondary feeding, the secondary feeding is carried out to a rear storage box of the railway carriage, materials in a hopper are conveyed into the rear storage box of the railway carriage through a belt scale, and the railway carriage is weighed in real time by the first weighing channel;
4) When the first weighing channel monitors the preset conveying weight, namely the difference weight between the preset total conveying weight and the primary feeding weight is reached, stopping secondary feeding of the first feeding system, and after the feeding conveying of the first feeding system is finished, the railway carriage runs out of the railway scale to the railway;
a second feeding system (6) for conveying the material and for weighing,
1) Driving the railway carriage to a first weighing channel, wherein a front row wheel set of the railway carriage is positioned on a second rail scale, and a rear row wheel set of the railway carriage is positioned on the first rail scale;
2) The second feeding system starts one-time feeding, the hopper conveys materials into a front storage box of the railway carriage through the belt scale, the belt scale meters the conveyed materials, the one-time feeding weight accounts for half of the total conveyed materials, and after the belt scale detects that the preset one-time feeding weight is reached, the feeding of the second feeding system is stopped;
3) The method comprises the steps that a railway carriage is driven onto a second weighing channel, namely a front row wheel set of the railway carriage is located on a third rail scale, a rear row wheel set of the railway carriage is located on the second rail scale, a second feeding system starts secondary feeding, the materials in a hopper are conveyed into a rear storage box of the railway carriage through a belt scale, the railway carriage is weighed in real time by the second weighing channel, when the second weighing channel monitors preset conveying weight, namely the difference weight between the preset total conveying weight and primary feeding weight is achieved, secondary feeding of the second feeding system is stopped, feeding conveying of the second feeding system is finished, and the railway carriage is driven out of the rail scale onto a rail.
2. The multi-channel quantitative loading rail weighbridge according to claim 1, wherein the discharge hole spacing of the first feeding system (5) and the second feeding system (6) is 4.6m, the rail weighbridge spacing adjacent to each other in front and back is 2.5m, and the lengths of the three groups of rail weighbridges are 5m respectively.
3. The multichannel quantitative loading rail scale according to claim 1, wherein the first feeding system and the second feeding system respectively comprise a corresponding hopper and a belt scale arranged at a discharge hole of the hopper, and a discharge end of the belt scale is led into a storage box of a lower railway carriage (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811438181.0A CN109405947B (en) | 2018-11-29 | 2018-11-29 | Multichannel quantitative loading rail scale and metering method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811438181.0A CN109405947B (en) | 2018-11-29 | 2018-11-29 | Multichannel quantitative loading rail scale and metering method thereof |
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| CN109405947A CN109405947A (en) | 2019-03-01 |
| CN109405947B true CN109405947B (en) | 2024-04-19 |
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