CN201525605U

CN201525605U - feeder

Info

Publication number: CN201525605U
Application number: CN200920279553XU
Authority: CN
Inventors: 吕技选
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-11-06
Filing date: 2009-11-06
Publication date: 2010-07-14
Anticipated expiration: 2019-11-06

Abstract

A feeder comprises a hydraulic device, a controller, a gate, a fore shaft, a hopper connected to the bottom portion of the fore shaft and an oscillation motor arranged on the outer side of the hopper. The controller is respectively connected with the hydraulic device and the oscillation motor, the hydraulic device is connected with the gate and used for controlling opening and closing of the gate, and the gate is arranged on the bottom portion of the hopper. When the feeder is in normal operation, the controller controls the hydraulic device to open the gate with certain opening according to appointed coal flow, coal briquettes are unloaded to a conveying belt through the gate and then conveyed to a loading tower, when large blocks of pulverized coal cakes attached together block the mouth of the hopper, the controller starts the oscillation motor, the large blocks of pulverized coal cakes are discomposed through vibration so as to dredge blocking at the mouth of the hopper, the oscillation motor is stopped after the feeder recovers normal operation, and then running time of the oscillation motor is reduced obviously, thereby reducing friction frequency of parts of the feeder, and prolonging service life of the feeder.

Description

Feeder

Technical field

The utility model belongs to the feeding device in the loading system of transportation and sales station, colliery, relates in particular to a kind of feeder.

Background technology

Existing transportation and sales station, colliery loading system as shown in Figure 1, the coal ore ore of underground mining generally is divided into three kinds, for example bulk coal, medium sized coal charcoal and fritter coal, various coals at first carry out the coal washing operation through washery 11 and remove spoil in the coal, coal behind the removal spoil is loaded into different storage silo 13 by belt conveyor 12 and stores, the bottom of each storage silo 13 is equipped with some feeders 14, to belt conveyor 15, belt conveyor 15 is sent to entrucking tower 16 with various coals and carries out the entrucking operation feeder 14 with coal-discharging.

As shown in Figure 2, the tradition feeder is made up of fore shaft 21, connecting band 22, vibration motor 23 and feed hopper 24, unloading during coal in order to prevent that it from damaging feed belt by pressure, it is domatic than what delay that special feed hopper 24 bottoms are set to the gradient, rest on the domatic of described feed hopper through the coal that has certain viscosity behind the washery by fore shaft 21, when unloading coal, start vibration motor 23, utilize vibration that coal-discharging is arrived feed belt, regulate the amplitude of vibration motor, the discharging quantity of control coal has reduced feed belt because overweight and impaired number of times.

But the shortcoming of above-mentioned feeder is, constantly produces vibration during feeder work, causes phase mutual friction frequency increase between each part, has accelerated the degree of aging of feeder.

The utility model content

The utility model provides a kind of feeder, and feeder is when normal operation, and vibration motor quits work, and has reduced the friction frequency between each part of feeder, has prolonged the service life of feeder.

In order to realize the utility model purpose of above-mentioned feeder, the utility model adopts a kind of feeder, comprise: hydraulic efficiency gear, controller, gate, fore shaft, with fore shaft bottom bonded assembly funnel be installed on the vibration motor in the funnel outside, described controller is connected with vibration motor with hydraulic efficiency gear respectively, hydraulic efficiency gear connects described gate, be used for opening and closing of control door, described gate is installed on funnel bottom.

Preferably, described gate comprises: be provided with domatic door body and fan-shaped door-plate, the domatic and bell mouth edge of the cambered surface of described fan-shaped door-plate and described door body is tangent, is fixed in a body inside by drive shaft.

Preferably, described feeder also comprises: support, described hydraulic efficiency gear are installed on the support outside.

Preferably, described feeder also comprises: canvas layer, described fore shaft is connected with funnel by canvas layer, and described funnel is connected with gate by canvas layer.

Preferably, described feeder also comprises: reinforce snap close, described reinforcing snap close is made up of contiguous block and connecting panel, corresponding respectively bottom and the bell mouth that is installed on described fore shaft of contiguous block, and connecting panel connects described contiguous block.

The feeder that the utility model provides, comprise hydraulic efficiency gear, controller, gate, fore shaft, with fore shaft bottom bonded assembly funnel be installed on the vibration motor in the funnel outside, described controller is connected with vibration motor with hydraulic efficiency gear respectively, hydraulic efficiency gear connects described gate, be used for opening and closing of control door, described gate is installed on funnel bottom.During the feeder normal operation, controller opens the sluices according to the coal flow control hydraulic efficiency gear of appointment and is certain aperture, and coal cinder is discharged on the belt conveyor by gate, transports to the entrucking tower then; When the coarse coal powder ball that is bonded together stops up bell mouth, controller starts vibration motor, decompose the coarse coal powder ball by vibration, the latch up phenomenon of mediation bell mouth place, treat that feeder recovers to cut out vibration motor after the normal operation, the time that vibration motor is opened obviously reduces, thereby has reduced the friction frequency between each part of feeder, has prolonged the service life of feeder.

Description of drawings

Fig. 1 is existing transportation and sales station, colliery loading system figure;

Fig. 2 is existing feeder structural representation;

Fig. 3 is the structural representation of the utility model feeder;

Fig. 4 is the preferred embodiment structural representation of gate that the utility model adopts;

Fig. 5 is the structural representation of the utility model preferred embodiment.

The specific embodiment

The structural representation of the utility model feeder as shown in Figure 1, comprise: hydraulic efficiency gear 31, controller, gate 33, fore shaft 34, with fore shaft bottom bonded assembly funnel 35 be installed on the vibration motor 36 in the funnel outside, described controller 32 is connected with vibration motor 36 with hydraulic efficiency gear 31 respectively, hydraulic efficiency gear 31 connects described gate 33, be used for opening and closing of control door 33, described gate 33 is installed on funnel bottom.

In the foregoing description, controller is used for the modulated pressure device and opens or closes gate, and control vibration motor startup and close.In feeder when work,, opening the sluices by controller modulated pressure device is certain aperture, and coal cinder or coal dust are unloaded to belt conveyor automatically from the gate exit under the effect of gravity.But, after the colliery of underground mining sends out from the washery, roughly be divided into block coal cinder and pulverous coal dust, the aqueous ingredients of coal dust is bigger, be easy to form coal dust group through extruding, will form the bigger coal dust piece of volume after coal dust group's drying, this coal dust piece is easy to stop up the bell mouth of feeder.When the coal dust piece stops up bell mouth, open vibration motor by controller, vibration motor vibrates into volume less coal dust piece and coal dust with the coal dust piece that coal dust forms, and the opening by gate is unloaded to belt conveyor, closes vibration motor after obstruction manifests disappearance.

As shown in Figure 3, when adopting the cross directional stretch unfolding mode, gate 33 also has certain deficiency, promptly gate 33 is in open mode when the unloading coal cinder, and most of coal cinder is deposited in earlier on the bar shaped door-plate 301 of described gate, is unloaded to belt conveyor in the outlet by gate then.Because a large amount of coal cinders are piled up, door-plate 301 is under pressure excessive, is easy to break away from the track of stretching or phenomenon of rupture takes place.

In order to overcome above-mentioned shortcoming, as shown in Figure 4, preferred, described gate comprises: be provided with domatic door body 41 and fan-shaped door-plate 42, the cambered surface 401 of described fan-shaped door-plate is tangent with domatic 402 and bell mouth edge 403 of described door body, is fixed in a body inside by drive shaft 43.Preferably, also comprise support, the door body of described gate is installed on internal stent, and described hydraulic efficiency gear is installed on the support outside, and the hydraulic push rod of hydraulic efficiency gear is connected with drive shaft.

In the foregoing description, controller is controlled fan-shaped door-plate by hydraulic efficiency gear and is rotated, thereby control door is opened and closed.Feeder when work gate is in open mode, and as shown in Figure 4, the cambered surface 401 of fan-shaped door-plate 42 breaks away from the domatic 402 of door bodies, and coal cinder and coal dust piece are slipped to belt conveyor from the cambered surface 401 and domatic 402 of fan-shaped door-plate.Adopt the gate of this structure, fan-shaped door-plate is difficult for piling up coal cinder, thereby has reduced the generation of phenomenons such as fracture.Need to prove, for reduce cambered surface 401 and domatic 402 and the bell mouth edge between friction, the cambered surface 401 of fan-shaped door-plate 42 with domatic 402 and bell mouth edge 403 separate certain distance.

In order to prevent that coal dust from spilling from the slit of fore shaft and funnel junction, and spill from the slit of funnel and gate junction, as shown in Figure 5, preferred, in the junction of described fore shaft and funnel canvas layer 51 is set, and canvas layer 52 is set at described funnel and gate junction.

As shown in Figure 5, in order to strengthen being connected of funnel and fore shaft, preferably, on funnel top and fore shaft junction reinforcing snap close 53 is installed, described reinforcing snap close is made up of contiguous block 501 and connecting panel 502, corresponding respectively bottom and the bell mouth that is installed on described fore shaft of contiguous block, connecting panel 502 connects described contiguous block 501.

Therefore, the technical scope of this utility model is not limited to the content on the specification sheets, also has the concrete technical application scheme of much determining according to its claim.The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims

1. feeder, it is characterized in that, comprise: hydraulic efficiency gear, controller, gate, fore shaft, with fore shaft bottom bonded assembly funnel be installed on the vibration motor in the funnel outside, described controller is connected with vibration motor with hydraulic efficiency gear respectively, hydraulic efficiency gear connects described gate, be used for opening and closing of control door, described gate is installed on funnel bottom.

2. according to the described feeder of claim 1, it is characterized in that described gate comprises: be provided with domatic door body and fan-shaped door-plate, the domatic and bell mouth edge of the cambered surface of described fan-shaped door-plate and described door body is tangent, is fixed in a body inside by drive shaft.

3. according to the described feeder of claim 2, it is characterized in that, also comprise: support, described hydraulic efficiency gear are installed on the support outside.

4. according to the described feeder of claim 3, it is characterized in that, also comprise: canvas layer, described fore shaft is connected with funnel by canvas layer, and described funnel is connected with gate by canvas layer.

5. according to the described feeder of claim 4, it is characterized in that, also comprise: reinforce snap close, described reinforcing snap close is made up of contiguous block and connecting panel, corresponding respectively bottom and the bell mouth that is installed on described fore shaft of contiguous block, and connecting panel connects described contiguous block.