CN213090942U - Weighing and metering device for scrap steel tank - Google Patents

Abstract

The utility model provides a scrap steel tank weighing and metering device, which comprises a vehicle body, a weighing sensor and a weighing loader; the vehicle body is provided with a weighing groove; the weighing sensor is arranged in the weighing groove and is connected with a weighing data transmission machine through a signal wire, the weighing data transmission machine transmits a weighing signal to a weighing display in a central control room in a wireless data transmission mode, and the weighing data transmission machine is fixedly arranged on the vehicle body; the weighing loader is arranged in the weighing groove and is connected with the weighing sensor through a sensor pressure head; the periphery of the weighing carrier is additionally provided with a protection plate for preventing scattered scrap steel from clamping the weighing carrier, and the protection plate is fixedly arranged on the vehicle body; the utility model provides a static rail weighbridge use a period after, there is the technical problem of sinking phenomenon in the basis.

Description

Weighing and metering device for scrap steel tank

Technical Field

The utility model belongs to the technical weighing and metering utensil field of metallurgical industry, in particular to a scrap steel material tank weighing and metering utensil.

Background

The fixed-point weighing and metering of the waste steel in front of the metallurgical iron and steel enterprise furnace are usually realized on a static rail weighbridge by adopting a material tank truck, the metering mode is influenced by the batching environment (factors such as rainwater, humidity, waste steel scattering, electromagnetic disc impact and the like), higher equipment faults often occur, and the maintenance and overhaul costs of the equipment are higher. Such as:

1. after the static rail weighbridge is used for a period of time, the foundation sinks;

2. the scrap steel and scrap iron often clamp the rail weighbridge to cause inaccurate weighing;

3. in rainy seasons, due to the fact that the basic topography of the road surface is low, water accumulation often occurs, the sensor and the signal wire are affected by moisture, and weighing accuracy is greatly affected;

4. when the electromagnetic disc cleans the table surface, the weighing rail and the weighing table surface are impacted to cause deformation.

Disclosure of Invention

Not enough to prior art, the utility model provides a scrap steel material jar weighing and metering utensil has solved following at least one's technical problem: after the static rail weighbridge is used for a period of time, the foundation sinks; the technical problem of inaccurate weighing is caused by the fact that the rail weighbridge is often clamped by scrap steel and scrap iron; in rainy season, due to the fact that the basic topography of the road surface is low, water accumulation often occurs, the sensor and the signal line are affected by damp, and weighing accuracy is greatly affected; when the electromagnetic disc cleans the table surface, the weighing rail and the weighing table surface are impacted to cause deformation.

In order to achieve the above object, the utility model provides a following technical scheme: a scrap steel tank weighing and metering device comprises a vehicle body, a weighing sensor and a weighing loader; the vehicle body is provided with a weighing groove; the weighing sensor is arranged in the weighing groove and is connected with a weighing data transmission machine through a signal wire, the weighing data transmission machine transmits a weighing signal to a weighing display in a central control room in a wireless data transmission mode, and the weighing data transmission machine is fixedly arranged on the vehicle body; the weighing loader is arranged in the weighing groove and is connected with the weighing sensor through a sensor pressure head; the periphery of the weighing loader is additionally provided with a protection plate for preventing scattered scrap steel from blocking the weighing loader, and the protection plate is fixedly installed on the vehicle body.

Preferably, the power supply of the weighing data transmission machine comes from a power supply device, and the power supply device is fixedly arranged on the vehicle body; the power supply device comprises a battery and a battery controller, wherein the battery power supply mode is controlled by the battery controller.

Preferably, the signal wire is a shielding cable wire, the shielding cable wire is inserted into a steel pipe, and the steel pipe is arranged in a girder of the vehicle body.

Preferably, the load carrier comprises: the device comprises a weighing platform, a landing guide, a bearing beam and a weighing buffer device; the falling guide consists of two arc plates which are symmetrical left and right relative to the center of the weighing platform; the arc-shaped plate is obliquely arranged between the weighing platform and the bearing beam; the weighing platform is parallel to a girder of the vehicle body; the bearing beam is connected with the sensor pressure head through the weighing buffer device and is arranged above the sensor pressure head; the weighing buffer device is arranged on the bearing beam; the edge of the bearing beam is located below the protection plate.

Preferably, the external dimension of the arc-shaped plate is matched with the external dimension of the bottom of the charging bucket.

Preferably, the weighing buffer device comprises a spring, a U-shaped shell, a cylindrical sleeve, a movable bearing plate, a flange and a circular tube; wherein the cylindrical sleeve is arranged in the inner cavity of the U-shaped shell and the inner cavity of the circular tube; the round tube is fixedly connected with the U-shaped openings at the two ends of the U-shaped shell, the inner diameter of the U-shaped shell is the same as that of the round tube, and the axes of the round tube and the U-shaped shell are coaxial; the flange is fixedly arranged on the circular tube, the U-shaped shell is fixedly arranged on the bearing beam, and the cylindrical sleeve, the spring and the movable bearing plate are limited in an inner cavity formed by an inner cavity of the U-shaped shell and an inner cavity of the circular tube by the flange; the movable bearing plate is positioned in the inner cavity of the cylindrical sleeve and slides up and down in the inner cavity of the cylindrical sleeve, the spring is arranged on the movable bearing plate, and the spring is positioned in the inner cavity of the cylindrical pipe; the movable bearing plate is connected with the sensor pressure head and is positioned above the sensor pressure head; the axes of the sensor pressure head, the spring and the movable bearing plate are coaxial.

Preferably, the load carrier further comprises: a restraint limiting device; the restraint limiting device comprises a limiting shaft, an upper limiting through hole plate connected with the bearing beam, a lower limiting through hole plate connected with a girder of the vehicle body and a limiting pin plate; the upper limiting through hole plate and the lower limiting through hole plate are consistent in diameter and are arranged on one axis; the limiting pin plate penetrates through the handle of the limiting shaft and is fixed on the outer side of the upper limiting through hole plate through a bolt.

Preferably, the vehicle body is also provided with four wheels for walking; the vehicle body is also fixedly provided with a driving device for driving the wheels, a protective cover is arranged above the driving device, and the protective cover is arranged on and fixed on the vehicle body; the driving device comprises a speed reducer, a driving motor, a gear coupling and a connecting shaft, wherein the driving motor is connected with the speed reducer and is an energy-saving motor; the speed reducer is connected with the connecting shaft through the tooth type coupler, and the speed reducer is a hard tooth surface and shaft-mounted speed reducer; the connecting shaft is connected with the wheel.

Preferably, a rail cleaner is arranged in front of the wheels and fixedly mounted on the vehicle body; the vehicle body is also fixedly provided with a flash sound alarm device and a hoisting component for hoisting, and a protective cover is arranged outside the flash sound alarm device; the vehicle body is provided with a leading-out device for guiding the cable on the cable drum and is positioned at one side of the driving device; and accident traction and terminal buffering devices are arranged at two ends of the vehicle body in the moving direction.

Preferably, the cylindrical sleeve comprises a first steel sleeve, a rubber sleeve and a second steel sleeve; wherein the first steel sleeve is sleeved on the second steel sleeve; casting high-temperature rubber between the first steel sleeve and the second steel sleeve to form the rubber sleeve; and steel wire reinforcing bars are arranged in the rubber sleeve.

The embodiment of the utility model provides a beneficial effect that technical scheme brought is:

1. the utility model discloses a redesign of symmetry heavy loader, weighing data transfer machine and guard plate makes its precision of weighing promote to 0.3% by original 1%, and equipment failure rate is less than or equal to 1/year, has satisfied the requirement of production rhythm and technology.

2. The utility model discloses a loader and automobile body integrated design weigh, make the utility model discloses do not need the fixed point to weigh, reducible operative employee's positioning work volume improves loading efficiency.

3. The utility model discloses a signal has adopted wireless transmission technique, makes the utility model provides a when rainy season, because the lower ponding phenomenon often appears in road surface basis relief for sensor and signal line wet, the technical problem that the precision of weighing received great influence.

4. The utility model discloses a restraint stop device can effectively play the restraint and the guard action of weighing carrier to can anti-tilt, shock resistance, it is more convenient to make maintenance, maintenance.

5. The utility model discloses a buffer weighs, it can effectively cushion the impact of batching in-process iron and steel material whereabouts to the sensor, extension weighing sensor's life.

6. The utility model discloses an online automatic weighing and data acquisition of on-vehicle batching have saved the commodity circulation, have reduced the cost of labor, are favorable to the decision-making of production process and the propulsion of enterprise "two melt".

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the vehicle body of the present invention;

FIG. 3 is a schematic structural view of the present invention used in conjunction with a charging bucket;

FIG. 4 is a top view of FIG. 3;

FIG. 5 is an enlarged view of the portion A of FIG. 3;

FIG. 6 is a schematic view of the weighing carrier of the present invention;

FIG. 7 is a schematic view of the weighing carrier of the present invention;

FIG. 8 is a schematic view of the weighing carrier of the present invention;

fig. 9 is a block diagram of a weighing system of the present invention;

fig. 10 is a schematic view of a shaft pin limiting structure of the present invention;

FIG. 11 is a diagram showing the relationship between the cable drum and the vehicle body;

fig. 12 is a schematic structural view of a cylindrical sleeve according to the present invention;

fig. 13 is a schematic structural view of the vehicle body of the present invention.

The symbols in the figures are as follows:

the device comprises a weighing loader 1, a constraint limiting device 2, a handle 21, a limiting pin plate 22, a limiting shaft 23, an upper limiting through hole plate 24, a lower limiting through hole plate 25, a vehicle body 3, a wheel 4, a driving device 5, a protection plate 6, a rail cleaner 7, a protection cover 8, a terminal buffer device 19, a scale body 10, a weighing buffer device 11, a spring 111, a U-shaped shell 112, a cylindrical sleeve 113, a first steel sleeve 1131, a rubber sleeve 1132, a second steel sleeve 1133, a movable bearing plate 114, a flange 115, a circular pipe 116, a sensor pressure head 12, a weighing sensor 13, a weighing platform 14, a bearing beam 15 and a falling guide 16.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

Referring to fig. 1 to 4, the utility model provides a scrap steel tank weighing and metering device, which comprises a vehicle body 3, a weighing sensor 13 and a weighing loader 1; the vehicle body 1 is provided with a weighing groove; the weighing sensor 13 is arranged in the weighing groove and is connected with a weighing data transmission machine through a signal wire, the weighing data transmission machine transmits a weighing signal to a weighing display in a central control room in a wireless data transmission mode, and the weighing data transmission machine is fixedly arranged on the vehicle body 3; the weighing loader 1 is arranged in the weighing groove and is connected with a weighing sensor 13 through a sensor pressure head 12; the periphery of the weighing loader 1 is additionally provided with a protection plate 6 for preventing scattered scrap steel from blocking the weighing loader, and the protection plate 6 is fixedly installed on the vehicle body 3.

In this embodiment, the utility model discloses a loader 1 that weighs sets up in the weighing groove, and the weighing groove sets up on automobile body 3 simultaneously, makes loader 1 and 3 integration settings of automobile body weigh, also makes automobile body 3 form automobile body 3 that subsides formula structure simultaneously because of the groove setting of weighing on automobile body 3, and then makes the utility model overcomes the influence that the static track scale of two mesas received the batching environment does not need the fixed point to weigh, and reducible operative employee's location work volume improves loading efficiency. The utility model discloses a loader 1 of weighing is connected with automobile body 3 through restraint stop device 2, and wherein restraint stop device 2 can effectively play the restraint and the guard action of the heavy loader of symmetry to can prevent toppling over, shock resistance and by electromagnet suck or the hoisting under the unexpected condition, also make the utility model discloses it is more convenient to maintain, overhaul. The utility model discloses be provided with guard plate 6 at 1 peripheries of the loader of weighing, the scrap steel that its guard plate 6 can prevent to scatter blocks the balance body of the loader of weighing 1, and the precision is weighed in the guarantee and the extension maintenance cycle is promoted. The utility model discloses a weighing data transfer machine is connected through the wireless weighing controller who controls in the room with well, makes the utility model provides a during rainy season, because the lower ponding phenomenon often appears in road surface basis relief for sensor and signal line wet, the technical problem that the precision of weighing received great influence.

In this embodiment, the utility model discloses the principle of weighing utilizes the static weighing mode to realize weighing of steel scrap batching process, and the driving that has many same specifications in the batching factory building smelts steel scrap formula requirement according to the electric stove, packs into the material jar with various steel scrap, the utility model discloses a weighing system weighs the steel scrap in the steel scrap material jar of packing into, and weighing data passes through wireless transmission to the display instrument that weighs in the steel scrap control room, and wherein the display instrument that weighs is weighing controller promptly, and outdoor large screen display and indoor weighing instrument synchronous display steel gross weight in the steel scrap material jar, and the material jar car of filling with the steel scrap transports the electric stove reinforced stride (annotate off-line back lithium cell power supply system and get into dormant state) according to the instruction from the factory building.

In this embodiment, the utility model discloses a reduced the drawback because of the transmission of towline brings, made the system more stable, the utility model discloses still provide power supply unit to fixed mounting is on automobile body 3, and wherein power supply unit still passes through signal line and the data transmitter electric connection of weighing, and the data transmitter power supply of weighing comes from power supply unit, and wherein power supply unit includes the battery, battery controller, and wherein battery power supply mode is controlled by battery controller, and battery passing signal line and battery controller electric connection, wherein the battery is the lithium cell, and the battery can also be fuel cell or plumbous brilliant battery etc. in other embodiments. The utility model discloses a phenomenon that the weighing sensor cable is pounded absolutely can not take place, with the signal line cartridge in the steel pipe, set up the steel pipe in the girder of automobile body 3 simultaneously. In the present embodiment, the signal line is a shielded cable line.

In this embodiment, see fig. 6 to 8, the utility model discloses a be favorable to steel scrap material jar weighing and metering utensil adaptation batching scene to the requirement of material tank car bearing height, the utility model discloses set the balance body 10 structure of weighing carrier 1 to the formula of subsiding, balance body 10 from the top down orthographic external shape is H shape, and this balance body 10 includes weighing platform 14, carrier beam 15, the position direction 16 that falls, weighing buffer 11, and wherein weighing platform 14 is through the position direction 16 that falls and carrier beam 15 fixed connection. The falling guide 16 is composed of two symmetrical arc plates, and the arc plates are obliquely arranged between the weighing platform 14 and the bearing beam 15, so that the distance between the upper top ends of the two arc plates is greater than the distance between the lower bottom ends of the two arc plates; the overall dimension of the arc-shaped plate corresponds to the overall dimension of the bottom of the charging bucket, and the anti-collision strength is high. The weighing platform 14 has a shape in which two sides are cut out circularly. The distance between the two end points of the arc-shaped plate is equal to the distance between the two sides of the weighing platform 14. The scale body 10 of this structure can make the utility model discloses weighing system is more stable, and it is more square to maintain, overhaul. The platform 14 of weighing inlays in the cell wall of weighing groove, still is parallel with the main case formula girder with automobile body 3 simultaneously, and the girder is case roof beam formula steel member, and the girder mainly plays connection and supporting role, and the girder holds in the palm the utility model discloses a weight and the load of material jar in other embodiments, also can call the girder steel with the girder, and it highly requires according to the scene to confirm. The weighing platform 14, the carrier beam 15 and the falling guide 16 are integrally arranged, the size and the shape of the weighing platform are designed according to the overall dimension of the bottom of the charging bucket and the requirements of the falling position and the condition of the charging bucket, and the carrier beam 15 is connected with the sensor pressure head 12 through the weighing buffer device 11. The buffer 11 that weighs sets up on carrier bar 15 to as an organic whole through gusset and steel sheet and carrier bar 15 welding, make the utility model discloses can bear and be greater than (material jar + maximum weighing) × 150% bearing capacity. The load beam 15 is above the sensor head 12 and the edge of the load beam 11 is below the guard plate 6.

In this embodiment, for better prevent scattered scrap steel block the loader 1 of weighing, the utility model discloses be located the roof beam 15 and weigh the top in gap between the groove with guard plate 6 to cover the gap.

In this embodiment, the utility model discloses an impact load when considering the decline of steel scrap silo (steel scrap silo dead weight 20t, lifting hook descending speed 12m/mim), still should consider the impact load that 2.5t steel scrap freely falls from 5m eminence, the utility model discloses a steel sheet that thickness is not less than 30mm is adopted to the panel of the scale body 10, and this scale body 10 guarantees not to have under the steel scrap silo decline impact situation and is showing the deformation.

The utility model discloses a be provided with four weighing sensor 13 in the loader of weighing 1, compare with being provided with eight sensors in the static track scale of current double table face, the utility model discloses manufacturing cost has been practiced thrift. Wherein four weighing sensor 13 are arranged in the four corners department of weighing cell, and fixed mounting is going up sensor pressure head 12 on weighing sensor 13, and weighing sensor 13 is bridge sensor, 13 supply voltage of weighing sensor: DC12V, 80 mA.

In this embodiment, referring to fig. 5 and 9, the utility model discloses when designing the power transmission system of steel scrap jar weighing and metering utensil, should pay attention to and eliminate the factor that influences the degree of accuracy, must exert power all the time on every weighing sensor central line through settling the formula balance body to do not receive transverse load and distortion power as far as possible and influence. The stability and the reliability that still pay close attention to, this balance body and weighing sensor that design and make carefully except, must also pay close attention to the impact of loading material jar, automobile body, balance body, weighing sensor very, has adopted weighing buffer 11 here, and this weighing buffer 11 can effectively overcome the impact to balance body, automobile body and weighing sensor when the scrap steel falls, and the stability and the reliability of system will promote by a wide margin, the fault rate will reduce by a wide margin. The weighing buffer device 11 comprises a spring 111, a U-shaped shell 112, a cylindrical sleeve 113, a movable bearing plate 114 and a round pipe 116, wherein the cylindrical sleeve 113 is arranged in an inner cavity formed by an inner cavity of the U-shaped shell 112 and an inner cavity of the round pipe 116, the round pipe 116 is fixedly connected with U-shaped openings at two ends of the U-shaped shell 112 through seamless welding, the inner diameter of the U-shaped shell 112 is the same as that of the round pipe 116, the axes of the two are coaxial, and the round pipe 116 is an extension part of a round channel of the U-shaped shell 112, so that the processing cost of the U-shaped shell 112 can be saved. In this embodiment, the U-shaped housing 12 is made of a cylindrical steel material, which is referred to as a U-shaped steel body. The flange 115 is fixedly arranged on the circular tube 116, the U-shaped shell 112 is fixedly arranged on the bearing beam 15, and the movable cylindrical sleeve 113, the spring 111 and the movable bearing plate 114 are limited in an inner cavity formed by an inner cavity of the U-shaped shell 112 and an inner cavity of the circular tube 116 by the flange 115.

The movable bearing plate 114 is positioned in the inner cavity of the cylindrical sleeve 113, the movable bearing plate 114 can slide in the cylindrical sleeve 113, the spring 111 is arranged on the movable bearing plate 114, the spring 111 is positioned in the inner cavity of the cylindrical sleeve 113, the movable bearing plate 114 is connected with the sensor pressure head 12, meanwhile, the movable bearing plate 114 is positioned above the sensor pressure head 12, and the axes of the sensor pressure head 12, the spring 111 and the movable plate 114 are coaxial, so that the force transmission is completed. In the present embodiment, the spring 111 is a disc spring, and in other embodiments, the spring may be a spring other than a disc spring, such as a ring spring, a plate spring, a coil spring, a truncated cone spiral spring, a torsion bar spring, and so on.

In the embodiment, the lower end of the sensor pressure head 12 is fixedly arranged on the weighing sensor 13, and the upper end is arranged on the movable bearing plate 114 and is positioned in a through hole on the flange 115. Due to the action of the limiting device 2, the upper part of the sensor pressure head 12 is limited in the through hole of the flange 115, and the sensor pressure head 12 can not move out of the coverage range of the movable bearing plate 114 because of the transverse movement of the scale body.

In the present embodiment, referring to fig. 12, the cylindrical sleeve 113 includes a first steel sleeve 1131, a rubber sleeve 1132, and a second steel sleeve 1133. The first steel sleeve 1131 is sleeved on the second steel sleeve 1133, the first steel sleeve 1131 and the second steel sleeve 1133 are both formed by processing seamless steel pipes, fine threads are arranged on the inner sides of the first steel sleeve 1131 and the second steel sleeve 1133, and the first steel sleeve 1131 and the second steel sleeve 1133 are concentric circles. High-temperature rubber is cast between the first steel sleeve 1131 and the second steel sleeve 1133 to form a rubber sleeve 1132, a steel wire reinforcement is arranged in the rubber sleeve 1132, the rubber sleeve 1132 is formed by adopting one-time cast rubber, and the rubber of the rubber sleeve 1132 is high-temperature strong rubber.

In this embodiment, the effect of the cylindrical sleeve 113 in the weighing buffer device 11 is to prevent the utility model discloses when weighing the material jar and falling to the position, the lateral impact of production.

In the embodiment, the diameter of the movable bearing plate 114 is larger than that of the through hole of the flange 115 and is smaller than or equal to the inner diameter of the cylindrical sleeve 113.

In this embodiment, see fig. 5 and 11, the utility model discloses a can effectively play the restraint and the guard action of weighing carrier to can anti-tilt, shock resistance, make maintenance, maintenance more convenient, the utility model discloses a restraint stop device 2 chooses for use for the axis pin formula restraint stop device of diameter 70mm, in other embodiments, restraint stop device 2 can also choose for use the axle sleeve formula restraint stop device. The restriction and limiting device 2 comprises a limiting shaft 23, two upper limiting through hole plates 24, a lower limiting through hole plate 25 positioned between the two upper limiting through hole plates 24, a handle 21 and a limiting pin plate 22. The handle 21 is arranged on the limiting shaft 23, the limiting shaft 23 penetrates through an upper limiting through hole plate 24 connected with the scale body and a lower limiting through hole plate 25 connected with the girder of the car body, the hole diameters of the upper limiting through hole plate 24 and the lower limiting through hole plate 25 are consistent and are required to be on the same axis, the gap between the upper limiting through hole plate and the lower limiting through hole plate is 3-5mm, and the gap between the outer diameter of the limiting shaft 23 and the inner diameter of the through hole of the upper limiting through hole plate 24 and the inner diameter of the through hole of the lower limiting through hole plate 25 is 3-. The limit pin plate 22 penetrates through the handle 21 on the limit shaft and is fastened on the outer side of the upper limit through hole plate 24 through bolts to prevent the limit shaft 23 from rotating and falling off.

The utility model discloses a spacing axle 23 and last spacing through-hole board 24, lower spacing through-hole board 25 form the hasp, make the balance body 10 link into an integrated entity with automobile body 3 to make the balance body 10 restricted on automobile body 3.

In this embodiment, see fig. 2 and fig. 13, the utility model discloses a better adaptation batching adverse circumstances demand has reduced the influence of proruption trouble to production, the utility model discloses a four wheels 4 that are used for the walking to set up on automobile body 3, its bearing box adopts the angle type bearing box, and the material adopts ZG270-500 of stipulating in JB/T5000.6, is provided with manual drier oil filling point on the bearing box, and the bearing adopts double-row self-aligning roller bearing, and the end that moves about of bearing should adorn in the automobile body 3 outside. The utility model discloses a wheel 4 can be installed on former double-table-board static rail weighbridge civil engineering, makes the utility model discloses need not install the foundatin plate again and lay spool etc. save a large amount of civil engineering construction and maintenance cost.

In this embodiment, see fig. 2 and fig. 13, the utility model discloses a two sets of drive arrangement 5, every set of drive arrangement 5 drive two wheels 4 of coaxial side, wherein drive arrangement 5 includes speed reducer, driving motor, tooth coupling, connecting axle, and wherein driving motor is connected with the speed reducer, and driving motor's terminal box setting is in the outside of automobile body 3, and driving motor is energy-conserving motor, its insulation level H level, protection level IP54, motor supply voltage: AC380V 5-50 HZ; the speed reducer is connected with the connecting shaft through a tooth type coupler, and the speed reducer is a hard tooth surface and shaft-mounted speed reducer; the connecting shaft is connected with the wheel 4. The utility model discloses a coaxial line wheel 4's tread centre-to-centre spacing deviation must not exceed 2mm, and 4 treads of homonymy wheel should be on a horizontal plane, and the deviation is no longer than 1 mm. The center diagonal deviation of the mounting surface of the wheel 4 is not more than 3 mm. The utility model discloses consider drive arrangement 5's maintenance and maintenance, be provided with protection casing 8 in drive arrangement 5's top, protection casing 8 fixed mounting is in on the automobile body 3, protection casing 8 will have sufficient rigidity and intensity, can prevent that electromagnet's scrap steel that falls from pounding drive arrangement 5, can prevent again that run into the scrap steel that falls in the walking of drive arrangement 5 from damaging drive arrangement 5. The protection cover 8 can be conveniently disassembled and assembled when being overhauled.

In this embodiment, see fig. 3, the utility model discloses a scrap steel card main wheel 4 that prevents to drop, the utility model discloses be provided with clear rail ware 7 in the place ahead of every wheel 4, clear rail ware 7 clear the direction of clearing is the walking direction of wheel 4, clear rail ware 7 fixed mounting is on automobile body 3. The vehicle body 3 is also fixedly provided with a flash sound alarm device and a hoisting component for hoisting, wherein the decibel of the flash sound alarm device is more than 115dB, the flash frequency of the flash sound alarm device is more than 40 times, the installation position of the flash sound alarm device is arranged at a position which is not hit by the waste steel of the electromagnetic chuck, and a protective cover is arranged outside the flash sound alarm device.

Referring to fig. 11 and 13, in this embodiment, the utility model discloses a be provided with the eduction gear that is used for guiding the cable on the cable drum on the automobile body 3 to be located one side of drive arrangement 5, the cable is drawn out to the steel pipe length about 1.0m, for preventing that the cable is impaired in the wire outlet department, the wire outlet adopts the double tube pressure line formula, when moving to the on-vehicle reel cable of tank wagon with ground, the cable is easily scratched by foreign matter such as steel scrap, cable drum 18 and automobile body 3 are the disconnect-type, be about to cable drum 18 and place 17 on the steel structure platform of length 3m, wide 3m, height 7m, form aerial reel. Accident traction and terminal damping devices 19 are provided at both ends of the vehicle body 3 in the direction of motion.

In this embodiment, referring to fig. 10, the utility model discloses a realize on-line automatic weighing and data acquisition of on-vehicle batching, saved the commodity circulation, reduced the cost of labor, be favorable to the decision-making of production process and the propulsion of enterprise "two melt", the utility model discloses still provide weighing data transmitter, communication module, be used for activating weighing system's off-line dormancy system, wherein weighing data transmitter receives the signal that weighing sensor 13 detected, and this signal is the digital quantity signal of weight, and the digital quantity signal is RS232C, and sends the signal to the weighing controller in the hollow space room through wireless mode, shows with the display screen, and wireless transmission distance is 300 meters; wherein communication module receives the signal that weighing controller sent to in the PLC system with 4 ~ 20mA analog quantity signal entering computer with the signal, the degree of accuracy of analog quantity signal: less than or equal to 0.15 percent; the off-line sleeping system comprises a battery, a battery controller and a vehicle in-out detector, wherein the vehicle in-out detector detects a signal of vehicle in-out and transmits the signal to the battery controller, and the battery controller controls whether the battery activates a weighing data transmitter.

Specifically, when a scrap steel tank truck enters a batching plant for batching, a vehicle in-out detector detects a signal of vehicle entering and wakes up a scrap steel tank weighing and metering device; after the batching is finished, when the steel scrap tank car is driven out of the batching plant, the vehicle in-out sensor detects a signal of the vehicle, so that the steel scrap tank weighing and metering device enters a dormant state.

In this embodiment, for the power supply time of extension battery, the utility model discloses a high input resistance weighing sensor, weighing system's input resistance is more than or equal to 2000 omega promptly. The utility model discloses a battery replacement time is more than or equal to 60 days, weighing system voltage: AC220V 50 + -1 HZ.

In this embodiment, the utility model discloses a weigh the object and be the scrap steel, its weight of weighing requires the design according to the material loading of trying on, is less than 300t in principle, and safe overload 150%, its division value of weighing the precision is 50kg, and the precision error is less than or equal to 0.3%, and its operational environment condition is-20 ~ 65 ℃, and its speed of a motor vehicle is adjustable for 4-20 m/min.

It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.

Claims (10)

1. A weighing and metering device for a steel scrap tank is characterized in that,

the scrap steel tank weighing and metering device comprises a vehicle body, a weighing sensor and a weighing loader;

the vehicle body is provided with a weighing groove;

the weighing sensor is arranged in the weighing groove and is connected with a weighing data transmission machine through a signal wire, the weighing data transmission machine transmits a weighing signal to a weighing display in a central control room in a wireless data transmission mode, and the weighing data transmission machine is fixedly arranged on the vehicle body;

the weighing loader is arranged in the weighing groove and is connected with the weighing sensor through a sensor pressure head;

the periphery of the weighing loader is additionally provided with a protection plate for preventing scattered scrap steel from blocking the weighing loader, and the protection plate is fixedly installed on the vehicle body.

2. The scrap steel bucket weighing and metering device of claim 1 wherein,

the power supply of the weighing data transmission machine comes from a power supply device which is fixedly arranged on the vehicle body;

the power supply device comprises a battery and a battery controller, wherein the battery power supply mode is controlled by the battery controller.

3. The scrap steel bucket weighing and metering device of claim 1 wherein,

the signal wire is a shielding cable wire, the shielding cable wire is inserted into a steel pipe, and the steel pipe is arranged in a girder of the vehicle body.

4. The scrap steel bucket weighing and metering device of claim 1 wherein,

the weighing carrier comprises: the device comprises a weighing platform, a landing guide, a bearing beam and a weighing buffer device;

the falling guide consists of two arc plates which are symmetrical left and right relative to the center of the weighing platform;

the arc-shaped plate is obliquely arranged between the weighing platform and the bearing beam; the weighing platform is parallel to a girder of the vehicle body;

the bearing beam is connected with the sensor pressure head through the weighing buffer device and is arranged above the sensor pressure head;

the weighing buffer device is arranged on the bearing beam;

the edge of the bearing beam is located below the protection plate.

5. The scrap steel bucket weighing and metering device of claim 4 wherein,

the overall dimension of the arc-shaped plate is matched with the overall dimension of the bottom of the charging bucket.

6. The scrap steel bucket weighing and metering device of claim 4 wherein,

the weighing buffer device comprises a spring, a U-shaped shell, a cylindrical sleeve, a movable bearing plate, a flange and a circular tube;

wherein the cylindrical sleeve is arranged in the inner cavity of the U-shaped shell and the inner cavity of the circular tube;

the round tube is fixedly connected with the U-shaped openings at the two ends of the U-shaped shell, the inner diameter of the U-shaped shell is the same as that of the round tube, and the axes of the round tube and the U-shaped shell are coaxial;

the flange is fixedly arranged on the circular tube, the U-shaped shell is fixedly arranged on the bearing beam, and the cylindrical sleeve, the spring and the movable bearing plate are limited in an inner cavity formed by an inner cavity of the U-shaped shell and an inner cavity of the circular tube by the flange;

the movable bearing plate is positioned in the inner cavity of the cylindrical sleeve and slides up and down in the inner cavity of the cylindrical sleeve, the spring is mounted on the movable bearing plate, and the spring is positioned in the inner cavity of the cylindrical sleeve;

the movable bearing plate is connected with the sensor pressure head and is positioned above the sensor pressure head;

the axes of the sensor pressure head, the spring and the movable bearing plate are coaxial.

7. The scrap box weighing and metering device of claim 5 wherein,

the weighing carrier further comprises: a restraint limiting device;

the restraint limiting device comprises a limiting shaft, an upper limiting through hole plate connected with the bearing beam, a lower limiting through hole plate connected with a girder of the vehicle body and a limiting pin plate;

the upper limiting through hole plate and the lower limiting through hole plate are consistent in diameter and are arranged on one axis;

the limiting pin plate penetrates through the handle of the limiting shaft and is fixed on the outer side of the upper limiting through hole plate through a bolt.

8. The scrap steel bucket weighing and metering device of claim 1 wherein,

the vehicle body is also provided with four wheels for walking;

the vehicle body is also fixedly provided with a driving device for driving the wheels, a protective cover is arranged above the driving device, and the protective cover is arranged on and fixed on the vehicle body;

the driving device comprises a speed reducer, a driving motor, a gear coupling and a connecting shaft, wherein the driving motor is connected with the speed reducer and is an energy-saving motor;

the speed reducer is connected with the connecting shaft through the tooth type coupler, and the speed reducer is a hard tooth surface and shaft-mounted speed reducer; the connecting shaft is connected with the wheel.

9. The scrap box weighing and metering device of claim 8 wherein,

a rail cleaner is arranged in front of the vehicle body and fixedly mounted on the vehicle body;

the vehicle body is also fixedly provided with a flash sound alarm device and a hoisting component for hoisting, and a protective cover is arranged outside the flash sound alarm device;

the vehicle body is provided with a leading-out device for guiding the cable on the cable drum and is positioned at one side of the driving device; and accident traction and terminal buffering devices are arranged at two ends of the vehicle body in the moving direction.

10. The scrap box weighing and metering device of claim 6 wherein,

the cylindrical sleeve comprises a first steel sleeve, a rubber sleeve and a second steel sleeve;

wherein the first steel sleeve is sleeved on the second steel sleeve;

casting high-temperature rubber between the first steel sleeve and the second steel sleeve to form the rubber sleeve;

and steel wire reinforcing bars are arranged in the rubber sleeve.

Images