CN101592515B

CN101592515B - Pontoon metering system of wharf materials

Info

Publication number: CN101592515B
Application number: CN2009101041370A
Authority: CN
Inventors: 朱东杰; 李维; 陈萍; 王智; 罗啸宇
Original assignee: Chongqing Iron and Steel Group Co Ltd
Current assignee: Chongqing Iron and Steel Group Co Ltd
Priority date: 2009-06-19
Filing date: 2009-06-19
Publication date: 2011-11-09
Anticipated expiration: 2029-06-19
Also published as: CN101592515A

Abstract

The invention relates to a pontoon metering system of wharf materials. A weighing sensor is arranged at the top end of a supporting upright post and is electrically connected with a weighing meter, hoppers are loaded on the weighing sensor and are hung in the air, a material-delivering shuttle plate is applied to delivering materials released by the hoppers to a material conveying belt, a control circuit is simultaneously connected with the weighing meter and a discharge bin gate, and the control circuit controls the open and the close of the discharge bin gate and performs accumulation on the weighing result. The number of the hoppers is four, the four hoppers are arranged on two sides of the material conveying belt respectively, each side is provided with two hoppers, the four hoppers are arranged in a shape as a cross in a square box, and the two hoppers on each side of the material conveying belt share one grab bucket. The pontoon metering system has the advantages of high automation degree, quick blanking and fewer human factors, can effectively restrain the attempt of doping and cheating of a supplier or a ship party, is convenient for the metering management of shipping materials, reduces the management cost, has accurate and reliable metering, and can achieve weight checking and recording, thus metering disputes caused by control rule metering can be reduced.

Description

Pontoon metering system of wharf materials

Technical field

The present invention relates to the material metering system, specifically refer to the extensive material metering system that unloads by the landing stage from harbour.

Background technology

Present some domestic large-scale state-owned iron and steel enterprises, because the increase of production capacity, the quantity of outsourcing ore, raw material is increasing.In order to ensure the accurate measurement of outsourcing goods and materials, each enterprise has all given great attention to the measurement problem of wharf materials.But because the restriction of some odjective causes, present most of enterprises still mainly are based on dipping and the metering method of seeing load line.But this metering method exists a lot of drawbacks, as: error is big, human factor is more, be difficult to malfeasant generations such as containment rehearses.

Summary of the invention

At the prior art above shortcomings, the purpose of this invention is to provide a kind of accurate measurement, effectively stop the pontoon metering system of wharf materials that human factor and avoiding is played tricks.

The object of the present invention is achieved like this: pontoon metering system of wharf materials, it comprises control circuit, be located at the support post on the landing stage, LOAD CELLS, weighing instrument, hopper, material transfer shuttle plate and mass transport belt, LOAD CELLS is located at the support post top, LOAD CELLS is electrically connected with weighing instrument, described hopper is carried on the LOAD CELLS also unsettled, material transfer shuttle plate is used for the material that hopper discharges is delivered to the mass transport belt, material transfer shuttle plate one end is positioned at hopper discharging door below, the material transfer shuttle plate other end is positioned at mass transport belt top, the end that material transfer shuttle plate is positioned at hopper discharging door below is higher than the other end that is positioned at mass transport belt top, control circuit is connected with the discharging door with weighing instrument simultaneously, carries out stored count by the switching of control circuit control discharging door and to weighing result.

Described hopper is four, is located at mass transport belt both sides respectively, two of every sides, and four hoppers are sphere of movements for the elephants shape and arrange the shared grab bucket of two hoppers of the every side of mass transport belt.One of them hopper of being responsible for when grabbing bucket is in the process of material transfer shuttle plate blowing, and this grab bucket can make full use of the grab bucket ability to another hopper material grasping, avoids its free time, at utmost improves blanking efficient.

Described material transfer shuttle plate places on the vibrating motor can drive vibration back and forth by vibrating motor, and material transfer shuttle plate is Kei-shaped, and control circuit is connected the start and stop with the control vibrating motor with vibrating motor.Mode by vibration can prevent that material from hardening on material transfer shuttle plate, even the also reliably material transfer of hardening is arranged.

Described support post is four, is distributed in four jiaos of rectangle, and a scale body framework is installed in four support post tops, and LOAD CELLS is located on the scale body framework.

Compare with the metering method of seeing load line with existing dipping, automaticity height of the present invention, human factor is little, can effectively contain the attempt that supplier or ship mix and rehearse, and is convenient to the measuring control of shipping material, reduces handling cost; The native system accurate measurement is reliable, and the meter of can realizing checking the weight is heavy, so just can reduce owing to the metering dispute of taking the dipping metering to produce.Because the hopper metering more saves time, accurately, its accuracy of measuring has reached III level scale standard (satisfying the trade settlement requirement), so can make trade settlement.Use after the metering of this metering system, be expected to be enterprise's saving cost every year and account for 0.5% of harbour goods and materials amount, economic benefit is considerable.

Description of drawings

Fig. 1-structural representation of the present invention;

Fig. 2-hopper arrangenent diagram of the present invention;

Fig. 3-the course of work of the present invention and schematic diagram.

Embodiment

The present invention is further illustrated below in conjunction with accompanying drawing.

(Fig. 1 has only shown the mechanical part of native system) as shown in Figure 1, pontoon metering system of wharf materials of the present invention, it comprises control circuit, support post 1, LOAD CELLS 2, weighing instrument, hopper 3, material transfer shuttle plate 4 and mass transport belt 5, LOAD CELLS 2 is located at support post 1 top, LOAD CELLS 2 is electrically connected with weighing instrument, and described hopper 3 is carried on the LOAD CELLS 2 also unsettled.Material transfer shuttle plate 4 is used for the material that hopper discharges is delivered to mass transport belt 5, again by the mass transport belt with mass transport in the warehouse that is built in quayside.Material transfer shuttle plate 4 one ends are positioned at hopper discharging door 6 belows, material transfer shuttle plate 4 other ends are positioned at mass transport belt 5 tops, the end that material transfer shuttle plate is positioned at hopper discharging door below is higher than the other end that is positioned at mass transport belt top, i.e. the inclination of material transfer shuttle plate, be convenient to the shuttle material.Control circuit is the PLC control system, and control circuit is connected with the discharging door with weighing instrument simultaneously, carries out stored count by the switching of control circuit control discharging door and to weighing result.Fig. 1 of the present invention has mainly reflected the mechanical part structure, and circuit part such as control circuit, weighing instrument and the vibrating motor that occurs later all do not draw on figure.

The present invention builds four weighing buckets 3 on every landing stage, be located at mass transport belt 5 both sides respectively, two of every sides, four hoppers 3 are sphere of movements for the elephants shape to be arranged, sees Fig. 2, the shared grab bucket of two hoppers of the every side of mass transport belt, both sides are totally two grab buckets, are respectively 1# grab bucket and 2# grab bucket.One of them hopper of being responsible for when 1# grab bucket or 2# grab bucket finishes in the process of material transfer shuttle plate blowing in weighing, weighing, and this grab bucket can make full use of the grab bucket ability to another hopper material grasping, avoids its free time, at utmost improves blanking efficient.

Material transfer shuttle plate 4 is corresponding one by one with weighing bucket 3, also is four.Each material transfer shuttle plate 4 places on the vibrating motor can drive vibration back and forth by vibrating motor, and material transfer shuttle plate 4 is Kei-shaped, and there is baffle plate the front end termination, and there is surrounding edge both sides, and control circuit is connected the start and stop with the control vibrating motor with vibrating motor.Because the complicacy of material, and may have moisture, and through material transfer shuttle plate the time, may occur hardening, purpose of the present invention prevents effectively that by the mode of vibration material from hardening just on material transfer shuttle plate, harden because the unobstructed of whole material transfer guaranteed in the not moving also normally material transfer of failure of oscillation even have.

Described support post 1 is four, be distributed in four jiaos of rectangle, promptly four support posts successively line form a rectangle, one scale body framework 7 is fixedly mounted on four support posts, 1 top, four LOAD CELLS 2 are " mouth " font to be located on the scale body framework 7, and " mouth " word that four LOAD CELLS 2 form is positioned at " mouth " word that four support posts 1 form.The present invention cooperates LOAD CELLS 2 to be constructed to static bunker scale in hopper 3, and the setting of scale body framework 7 can guarantee integrally-built stable, is convenient to hopper 3 again and is carried on the LOAD CELLS 2.

The course of work of the present invention and principle, see Fig. 3:

1# grabs bucket to 1, No. 3 hopper feed, and 2# grabs bucket to 2, No. 4 hopper feed, and during beginning, 1, No. 2 hopper feed is given in 1# grab bucket and 2# grab bucket simultaneously.Process is as follows: PLC sends 1, No. 2 vibrating motors of a signal at stop before the weighing, closes hopper discharging door simultaneously 1, No. 2, and the signal in PLC feed hopper pulpit is grabbed bucket material is grabbed into corresponding hopper from ship then; When finish 1, No. 2 hopper pairing 1,2 of grab bucket blowing is known as heavy instrument displayed value and begins metering after stable, PLC can receive the signal that an expression weighing finishes after metering finished, PLC gives control signal of 1, No. 2 hopper discharging door then, 1, No. 2 hopper discharging doors are opened, open 1, No. 2 vibrating motor in below simultaneously and begin to vibrate blowing, when 1,2 be known as heavy instrument reach certain lower limit and stable after, PLC can receive the signal that an expression blowing finishes; PLC sends control signal and closes hopper discharging door 3, No. 4 when opening 1, No. 2 hopper discharging door, and grab bucket is grabbed material into 3, No. 4 hoppers from ship again and carried out weighing, repeats above process, and such exchange charging blowing like this reaches the metering purpose.

Because hopper is to be supported on the LOAD CELLS, is equivalent to the pan of a steelyard of steelyard, adheres to the accuracy that influence is weighed on the bucket wall in order to prevent material always, each meter heavily finishes, and weighing instrument is all wanted zero clearing, to eliminate the influence that material adheres to.

Claims

1. pontoon metering system of wharf materials, it is characterized in that: it comprises control circuit, be located at the support post (1) on the landing stage, LOAD CELLS (2), weighing instrument, hopper (3), material transfer shuttle plate (4) and mass transport belt (5), LOAD CELLS (2) is located at support post (1) top, LOAD CELLS is electrically connected with weighing instrument, the LOAD CELLS (2) that is carried on described hopper (3) goes up and is unsettled, material transfer shuttle plate (4) is used for the material that hopper discharges is delivered to mass transport belt (5), material transfer shuttle plate (4) one ends are positioned at hopper discharging door (6) below, material transfer shuttle plate (4) other end is positioned at mass transport belt (5) top, the end that material transfer shuttle plate is positioned at hopper discharging door below is higher than the other end that is positioned at mass transport belt top, control circuit is connected with the discharging door with weighing instrument simultaneously, and control circuit receives metering that weighing instrument transmits signal and the blowing signal that finishes that finishes and controlled the switching of discharging door simultaneously by control circuit; Described material transfer shuttle plate (4) places on the vibrating motor and drives vibration back and forth by vibrating motor, and material transfer shuttle plate is Kei-shaped, and control circuit is connected the start and stop with the control vibrating motor with vibrating motor.

2. pontoon metering system of wharf materials according to claim 1 is characterized in that: described hopper (3) is four, is located at mass transport belt (5) both sides respectively, two of every sides, the shared grab bucket of two hoppers of the every side of mass transport belt (5).

3. pontoon metering system of wharf materials according to claim 1 and 2, it is characterized in that: described support post (1) is four, be distributed in four jiaos of rectangle, a scale body framework (7) is installed in four support posts (1) top, and LOAD CELLS (2) is located on the scale body framework (7).