CN201221977Y - Platform balance for metering tube blank bar product - Google Patents

Abstract

Disclosed is a platform scale for measuring tube and bar products, which mainly solves the technical problems that the mechanical measuring components of the body of the existing platform scale are easy to wear, the mechanical rigid structure of the loader is easy to deform and be fatigue, requirements upon measurement accuracy is difficult to be adapted and met for long period of time as strong impact load and concentrative eccentric load to equipments are formed when a bridge crane picks up bar materials on the site, and measurement error caused by the random drooped length of the steel cable is inevitable to be avoided. The technical scheme essential points includes: the loader is suspended and mounted on a load bearing base, a sensor is arranged between the loader and the load bearing base, an output signal wire of the sensor is connected with a display instrument, wherein the loader and the load bearing base are manufactured by an overall steel billet, a damping anti-vibration rack is mounted at the upper portion of the loader, and a steel cable weight baffle is mounted at the center of the loader. The platform scale for measuring tube and bar products is simple and compact in overall structure, and convenient in manufacture, installation, usage and maintenance, and particularly has strong impact resisting capacity, which enables measurement to be more accurate and reliable. Additionally, the platform scale can be widely applied to local weight measurement in severe producing environment for metallurgical industry.

Description

Tube blank bar material products metering platform balance

Technical field

The utility model relates to a kind of weighing apparatus, and the platform scale that finished product measures is carried out at especially a kind of metallurgy industry scene that is used for.

Background technology

Hang when getting object such as tube blank bar material product at metallurgy industry field by using crane, easily weighing apparatus is formed bigger impact load and produces concentrated eccentric load in moment, and the amount of existing platform scale mechanical deformation and stress relief all has certain randomness, and easily the stability to the metering result produces a very large impact.And platform scale product commonly used normally adopts the double-deck weighing platform of band snubber assembly, its deadweight approximate number ton is heavy, weigh at every turn and bear the impulsive force that 5-10 doubly conducts oneself with dignity, no matter carrier adopts box girder structure or plate frame structure, its rigidity all counterweight large impact amount load mode seems very limited, and can be along with long-term frequent the use, deformation and fatigue can take place in rigid structure, directly influence the sensor measurement characteristic; And existing platform scale equipment load-bearing basis employing is the framed structure of reinforced concrete structure or iron and steel welding, in long-term use, according to object dynamics and Principles of Statics analysis, original carrying basic rigidity structure can produce certain crackle and loading plate snaps loosening, stiction diminished when load-bearing foundation structure was stressed, its stiction changes along with the variable quantity of carrying anchorage force, thereby can cause repeatability, the bad stability of metering.Be difficult to guarantee to carry the permanance on basis.Especially along with enterprise's rhythm of production is accelerated, easier apparatus body mechanical measurement component wear, sensor component aged deterioration, the malformation of carrier mechanical rigid and the fatigue of causing, the standard measure in rugged surroundings can not be eliminated long-term adaptation and satisfy driving and hang when getting bar equipment is formed factors such as bigger impact load and concentrated eccentric load, rope capacity weight is uncertain to measuring accuracy with stability produces and influence.How system solves the finished product platform scale and adapts to for a long time and satisfy quantification stability problem under the on-the-spot special severe environmental conditions, is the difficult problem that metallurgy industry faces jointly always.

Summary of the invention

The purpose of this utility model provides a kind of compact conformation, the manufacturing cycle is short, metering is more accurate, easy for installation, the tube blank bar material products metering platform balance of strong shock resistance.

The technical scheme that its technical matters that solves the utility model adopts is: carrier 1 supports and is installed on the load-bearing pedestal 5, between carrier 1 and the load-bearing pedestal 5 sensor 4 is installed, the output information line and the Displaying Meter 6 of sensor 4 join, carrier 1 and load-bearing pedestal 5 are made by monoblock Wide and Heavy Plates base respectively, on the top of carrier 1 buffering shock mounting 2 is installed, the plate washer 3 of eliminating wire rope weight is installed at carrier 1 central part.The bottom of the plate washer of installing at carrier 1 central part 3 is installed on the load-bearing pedestal 5.

The beneficial effects of the utility model are: the utlity model has compact conformation, characteristics such as opposing rigid objects impact capacity is strong, and carrier structure and load-bearing supporting base do not need processing, device fabrication manufacturing and installation procedure are simple, short construction period, can not restricted by the production scene again, it is also by installing the plate washer of eliminating wire rope weight at the carrier middle part, thereby the error of having avoided wire rope that metering is caused fully, make metering more accurate, the finished product platform scale adapts to for a long time and the quantification stability problem that satisfies on-the-spot special mal-condition has under been opened up a new way comprehensively in order to solve, and it can be widely used in metallurgy industry scene rugged surroundings middle rolling car and hang and get the weight of heavy metering process.

Description of drawings

Fig. 1 is a side-looking structural representation of the present utility model.

Fig. 2 is the plan structure synoptic diagram of Fig. 1.

Among the figure: the 1-carrier, 2-cushions shock mounting, 3-plate washer, 4-sensor, 5-load-bearing pedestal, 6-Displaying Meter.

Embodiment

By Fig. 1 and Fig. 2 as can be known, carrier 1 supported being installed on the load-bearing pedestal 5 of the present utility model, between carrier 1 and the load-bearing pedestal 5 sensor 4 is installed, the output information line and the Displaying Meter 6 of sensor 4 join, carrier 1 and load-bearing pedestal 5 can adopt respectively by two monoblock Wide and Heavy Plates bases and make, buffering shock mounting 2 is installed respectively in the both sides, top of carrier 1, buffering shock mounting 2 can adopt the rubber material to make, install above carrier 1 central authorities and eliminate wire rope weight plate washer 3, the bottom of the plate washer 3 of load-bearing wires rope weight is installed on the load-bearing pedestal 5.For guaranteeing the useful life longevity of carrier 1, carrier 1 can adopt the useless Wide and Heavy Plates base of whole of 6020 * 1200 * 180mm, its weight is about 11 tons, in use, drop on the carrier 1 of the present utility model from crane as 5 tons of multiple bars, in 0.1s buffering shock mounting 2 absorptions that the motion of institute's rigid collision that produces is installed by carrier 1 two ends in the time of 1s, thus the stabilization time of minimizing sensor 4 in the surveying work process.Wire rope freely unclamps bar and all drops on the plate washer 3, thereby eliminate of the influence of the uncertain weight of the sagging height of wire rope to metering, have only bar weight to act on the carrier 1, measure by 4 sensors 4, sensor 4 output analog electrical signals are given Displaying Meter 6 and are carried out the weight demonstration.For guaranteeing the useful life longevity of bearing base 5, bearing base 5 can adopt the useless Wide and Heavy Plates base of whole of 9620 * 1800 * 220mm as bearing base, about 28 tons of its weight, existing equipment tradition load-bearing reinforcement foundation xoncrete structure is easy to crack to snap problems such as loosening with foundation plate supporting point thereby solved preferably, its installation is also fairly simple, need only excavate a shallow foundation hole, and pave with cobblestone, the Wide and Heavy Plates base is placed in the hole at the end, hole; Adjusting lateral error pact ± 3mm on 4 supporting point positions gets final product.Also can be around the Wide and Heavy Plates base fill up with plastic foam and prevent to expand with heat and contract with cold, make it concordant with ground with concreting again and get final product, construction period is than the construction period shortening of reinforced concrete structure or iron and steel lead frame structure more than 6 times.Consult Fig. 1 and Fig. 2.

Sensor 4 can select to install 4, and can be installed in carrier 1 bottom corner location respectively.The about 4000mm of span wherein, general bar length is 5-9m, the power transmission that drops in the metering on the carrier 1 is equally distributed basically, because the sensor stress point is the umbilical point contact condition, the stressed annex of sensor can in time overcome and absorb the big pressure that loads generation, guarantees that the less winding degree of carrier changes the measurement characteristics that can not influence sensor.Every bundle bar 5t is multiple, if drop on the carrier 1 from 400mm height freely falling body, sensor 4 every dynamic loads that bear are that impact load is about 7.5t, and this situation is imagined under abnomal condition; Object in the normal descend process because of being subjected to the friction force of crane elevator, its decline rate is slower than free-fall velocity, buckles load to sensor should be less than 7.5t, so select for use the sensor total volume of 4 20t to reach 80t, be to use more than 2.6 times, it can satisfy the bar landing impulse force that collision movement produced.Displaying Meter resolution is selected for use more than or equal to 0.6uv/d can satisfy request for utilization.

Claims (2)

1, a kind of tube blank bar material products metering platform balance, carrier (1) supports and is installed on the load-bearing pedestal (5), between carrier (1) and the load-bearing pedestal (5) sensor (4) is installed, the output information line of sensor (4) and Displaying Meter (6) join, it is characterized in that: carrier (1) and load-bearing pedestal (5) are made by monoblock Wide and Heavy Plates base respectively, on the top of carrier (1) buffering shock mounting (2) is installed, the plate washer (3) of eliminating wire rope weight is installed at carrier (1) central part.

2, tube blank bar material products metering platform balance according to claim 1 is characterized in that: the bottom of the plate washer of installing at carrier (1) central part (3) is installed on the load-bearing pedestal (5).

Images