CN2589410Y - Hydraulic air cushion belt conveyer - Google Patents

Abstract

The utility model relates to a hydraulic air cushion belt conveyer, which is applied to the belt conveyers of bulk materials in every department of metallurgy, mine, coal, power station, harbor, food, building materials. The utility model comprises a group of tensioner, a driven guide roller, a common vinylonor rubber belt or nylon rubber belt, a driving pipeline, a containing gas water chamber, a containing fan, non-containing gas chamber, a fan and a water pump. All parts are assembled on the same supporting frame except a control system. The utility model eliminates the defects generated by friction drive. For example, traction force is focused on the driving roller, the strength requirement of the rubber belt is high, the belt speed of the rubber belt is low, the machine body is thick, large and heavy, and various accidents occur in the operation. The utility model is characterized in that one disk surface of the containing gas water chamber is split into two and is turned into two gas chambers; one driving pipeline is arranged below the middle of the disk surface; the water flow ejaculated by a nozzle on a pipe is directly ejaculated into a fluid director in a snail shape fixedly arranged on the non-containing material surface of the rubber belt to push the rubber forward. Water mediums finishing the work are not mixed with the air cushion of the disk surface; water mediums is fallen to the middle W water area according to the certain direction; the water is used again after the water is absorbed by the water pump to complete the internal circulation of the water in the shortest route. The utility model realizes that the bulk materials are transported at far distance of any length.

Description

Air cushion-belt conveyer surges

Technical field: the utility model relates to a kind of belt conveying equipment that is used for the continuous conveying bulk material of metallurgy, mine, coal, power station, harbour, grain, building materials, all departments.

Technical background: with the utility model surge air cushion-belt conveyer same domain, the most close of the same trade product, be belt conveyer and the supporting of half air cushion of adopting traditional friction-driven principle design manufacturing, the roller of boarding at the nursery supporting both at home and abroad, promptly the carrying band is air cushion-belt conveyer for being commonly called as of air cushion supporting.The former the domestic universal product has the series standard of TD75 type belt conveyer; By organizing national industry enterprise design-calculated air cushion-belt conveyer not form national standard as yet headed by Taiyuan Heavy Machinery College.External each state-owned oneself standard.But the belt conveyer of that a kind of supporting form no matter, their deficiencies technically are:

1. because the friction-driven principle causes tractive force to concentrate on head roll, and haul distance is long more, freight volume is big more, high more to the tension intensity requirement of adhesive tape, adhesive tape costs an arm and a leg.

2. owing to be friction-driven, must to adhesive tape have very big first tensile force and adhesive tape to cylinder certain enclose cornerite, can satisfy tractive force and moment of torsion that friction force forms.So cause coupler, drg, retarder, axle and head roll, tightening device and head, tail, middle support, the intensity of each side, the requirement of rigidity are all high, cause the thick heaviness of body, influence cost of product.

3. friction-driven particularly, the belt conveyer of the roller of boarding at the nursery supporting, the ubiquity rubber belt from deviating that is in operation, wear and tear, skid, tear, spreading, brake failure each side problem.Therefore the maintenance of equipment amount is big, and the zero big stop work and production of Inventory of Spare Parts is more.

4. because friction-driven, the belt conveyer that the roller of boarding at the nursery supporting and half air cushion support, the rotation parts are more and weight is bigger, and the adhesive tape running velocity is difficult for improving, the belt speed longer-term rests in the scope of 1.5～4.0 meter per seconds both at home and abroad, influences improving of properties of product.

5. expanding economy requires more and more length and big more to haul distance, the freight volume of bulk material, thereby the tension intensity of adhesive tape is required progressively to rise; The adhesive tape that from cotton canvas is belt carcass is the belt carcass adhesive tape to Wei Nilun or nylon, arrives so-called high strength folder steel cable belt again.Occurring with " fragrant human relations " abroad again in recent years is the adhesive tape of belt carcass, and it improves several times again than folder pull of steel wire intensity, and its cost of price rises especially significantly.This shows that the tension intensity that improves adhesive tape of having only that is caused by the friction-driven principle satisfies needs of economic development, is not to be a perfect behave.

Summary of the invention: the utility model drives deficiency or the problem that exists for eliminating or reducing friction, and the spy provides a kind of single tube road, two air chamber, utilizes the momentum change of fluid to disperse to drive the technical scheme of adhesive tape so claim to surge air cushion-belt conveyer.

Concrete technical scheme: the air cushion-belt conveyer that surges of single tube road, two air chambers (Fig. 1,2,3), it is the compressed gas that provides by the carrying blower fan, import respectively the air water chamber of carrying air water chamber (Fig. 5) from both sides, it sprays from the pore of card, forms air cushion between adhesive tape and card adhesive tape is floated.One that is installed in two card middle lower portion (Fig. 2,3) drives pipeline ejaculation current, directly inject in the volute air deflector that is installed in the non-loading surface of adhesive tape (Fig. 7), the current of finishing merit fall into middle W pool (Fig. 3), air water chamber by certain direction, the carrying adhesive tape is subjected to the bump of certain penstock and the variation of momentum, promotes adhesive tape and advances.Aqueous medium is in fully enclosed carrying air water indoor circulation.Unloaded blower fan and unloaded air chamber fit together, and undertake supporting, the operation of unloaded adhesive tape.Designs simplification is rationally reliable.Air cushion-belt conveyer is that fluid disperses driving principle owing to surge, and its cost of product can descend 35～55% than friction-driven cost.This only is the income of manufacturing enterprise, and user's income does not count as yet.

Description of drawings: the utility model is described in further detail below in conjunction with serial number (SN) and accompanying drawing.

Tightening device, 2. driven guide pulley, 3. adhesive tape, 4. unloaded blower fan, 5. carrying air water chamber, 6. the carrying blower fan, 7. unloaded air chamber, 8. drive pipeline, 9. water pump, 10. loading and unloading material carrying roller, 11. cleaning carrying rollers, 12. dividing plates, 13. connecting plates, 14. semicircular ring, 15. single tube measuring cells, 16. nozzles, 17. air water chamber cards, 18 volute air deflectors, 19. hydraulic pipelines, 20. sucking tubies, 21 supports.

Fig. 1 is basic structure of the present utility model and schematic appearance.

Fig. 2 is the cutaway view of Fig. 1 of the present utility model along the A-A line.

Fig. 3 is the cutaway view of Fig. 1 of the present utility model along the G-G line.Throw off end cap.

Fig. 4 is the cutaway view of Fig. 3 along the B-B line.

Fig. 5 is the cutaway view of Fig. 3 along the C-C line.

Fig. 6 is that Fig. 3 is packed in the volute air deflector at adhesive tape middle part and the upward view of adhesive tape.

Fig. 7 is the cutaway view and the mutual alignment cutaway view that drive pipeline work of Fig. 6 along the D-D line.

Fig. 8 is the cutaway view of Fig. 7 along the E-E line.

Fig. 9 is the front elevation of volute air deflector.

Figure 10 is the cutaway view of Fig. 9 along the F-F line.

Figure 11 is that Fig. 4 is along H-H drum face part sectional view.

The specific embodiment: carrying air water chamber and card thereof, dividing plate, driving pipeline, owing to touch water for a long time, for rust protection selection material is glass-felt plastic, ABS, UPVC.Carrying air water chamber card Pasting or spraying wear-resistant materials such as nylon film, other members are made of steel.To measuring big card, nozzle, volute air deflector, the various parts of dividing plate, adopting and touching tool production is optimal way.Describe concrete structure of the present utility model and service condition in detail according to sequence number 1～21 and Fig. 1～11.

This machine comprises and utilizes tightening device 1, is assembled in the driven guide pulley 2 on the support 21, adhesive tape 3, unloaded blower fan 4, carrying air water chamber 5, carrying blower fan 6, unloaded air chamber 7 drives pipeline 8, water pump 9, loading and unloading material carrying roller 10, cleaning carrying roller 11 is formed the utility model with manual or computer control system.Wherein carrying air water chamber 5 (Fig. 2) is to be divided into two air chambers in a right left side, and carrying blower fan 6 forms two K districts (Fig. 3) from the air of both sides input.Forms air cushion H district by the air of the pore ejection of the air chamber card 17 in K district adhesive tape is floated, and form the H district of uniform pressure at driving tube 8 on every side.This district is made up of card 17 and dividing plate 12 (Fig. 5), and the air pressure in H district is lower than the K district.In carrying air water chamber 5, the gap h (Fig. 4) of certain altitude is arranged between the dividing plate 12, the bottom of a connecting plate 13 and the negative of air water chamber, thereby the bottom is three W districts that are connected, owing to air-cushion pressure is lower than the pressure of air chamber, so the W district water level of centre is the highest.Driving tube 8 is contained in (Fig. 4,3) on the semicircular ring 14, and its length is identical with carrying air water chamber 5, lays nozzle 16 (Fig. 4,7,8) on tube wall at a certain distance, and the spray orifice of two symmetries is arranged on the nozzle 16.Side in carrying air water chamber is equipped with a single tube measuring cell 15 at a certain distance, changes with the pressure of observing every section air chamber.

Opening control switch during work, at first start two blower fans 4 and 6, air with certain pressure charges in carrying air water chamber 5 and the unloaded air chamber 7, adhesive tape is floated simultaneously, then water pump 9 drives pipeline 8 with current 19 inputs by the road of certain pressure, inject in the air deflector 18 by two strands of current that the nozzle that is contained on the pipe penetrates, held up adhesive tape 3 by air cushion and loading and unloading material carrying roller 10 this moment, drive guide pulley 2 and 11 entrys into service of cleaning carrying roller, control system increases the revolution and the flow of pump gradually, after making belt speed reach rated value, begin feed, can realize stable operation according to the revolution and the flow of load size control pump 9 by throwing machine or tilting chute.No matter have carry or the situation of no-load under, the volute air deflector 18 below the adhesive tape 3, all the time with driving tube 8 on nozzle 16 keep relative position and do not depart from.Current in the directive volute air deflector are finished after the merit, fall in the middle W district of Fig. 3.Water is siphoned away and recycles by pump 9.During shutdown, at first stop feed, can suitably reduce the rotating speed of pump 9 this moment.After unsnatching, material closes pump 9.When treating that adhesive tape 3 shuts down, close blower fan 4 and 6, adhesive tape drops on the card of air chamber, attaches firmly and does not slide, and finishes a working cycle this moment.At some in particular cases, material is not unsnatched and is shut down, and needs elder generation that water pump 9 is half-open when starting, and tightly blow in then machine 4 and 6 can realize carrying startup fully.

For prevent the aqueous medium in winter freeze can add an amount of anti-freezer, even if but, and finish the continuous conveying of bulk material at any long distance, large conveying quantity in subzero 30 degrees centigrade of still safe operations.

Claims (3)

1. air cushion-belt conveyer that surges, comprise the tightening device that is assembled on the support, driven guide pulley, adhesive tape, carrying air water chamber, carrying blower fan, drive pipeline, unloaded air chamber, unloaded blower fan, control system, it is characterized in that: the card of carrying air water chamber is divided into two and is divided into two air chambers, a driving pipeline runs through total length, and the volute air deflector is packed on the non-loading surface of adhesive tape.

2. belt conveyer according to claim 1 is characterized in that: running through on the driving pipeline of air chamber total length has the well-distributed nozzle.

3. belt conveyer according to claim 1 is characterized in that: snail type air deflector is a symmetric form.

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