CN100528709C

CN100528709C - Internally poking and externally vibrating dredging device

Info

Publication number: CN100528709C
Application number: CNB2006101675423A
Authority: CN
Inventors: 赵东楼
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-12-26
Filing date: 2006-12-26
Publication date: 2009-08-19
Anticipated expiration: 2026-12-26
Also published as: CN1986351A

Abstract

The internally poking and externally vibrating bin dredging apparatus includes one hydraulic dredging assembly comprising hydraulic pump station, hydraulic cylinder, dredging rod, etc installed inside the bin, and one bin wall vibrating assembly installed outside the bin. In the case of jammed bin, the bin dredging apparatus is started automatically to dredge the bin. The bin dredging apparatus may be controlled locally or remotely and automatically or manually, and can operate continuously or intermittently. The present invention is suitable for use in mine, chemical industry, electric power industry, etc.

Description

Internally poking and externally vibrating dredging device

Affiliated technical field

The present invention relates to the dredger in a kind of solid material course of conveying, relate to a kind of hopper of clearing up or rather and stop up and to make the unobstructed device of mass transport.

Background technology

In the solid material process of conveying powdered, granular, block or its mixture, reasons such as, viscosity height many owing to high humidity, the ash of material, make material stick on the bulkhead or be blocked in bunker or container such as awl bucket etc. in, cause cutout, influence normally continuing of producing and carry out, particularly carry in the raw coal process often to run at thermal powerplant.Owing to contain more ash in the raw coal, make raw coal lose good mobility, owing to contain moisture content, the pressure of top coal is easy to make the raw coal bonding, hardens, and is squeezed into piece, adds unreasonable coal bunker design, all make the coal breakage bucket glue coal, paulin coal, chute blockage easily, produce potential safety hazard.

Relatively Chang Yong method is manually to beat headwall with sudden force with sledgehammer, and this produces effect to paulin coal in short-term, and is then of no avail than what grow to the paulin coal time, and may shake the higher material of water content more real, must enter coal bunker inside and thoroughly clear up.Chinese patent CN2697033Y discloses a kind of " full automaticity hopper cleaner ", adopt the built-in type device to dredge, also there is following shortcoming: owing to insert in the hopper, foreign material in the material such as steel rope, the rope made of hemp, iron wire, big gun line etc. can be wrapped on the claw of mediation bar, bond many duffs and ash form big Ge she, occupy the space of former coal bunker, when the mediation bar is motionless, can produce the putty phenomenon, cause artificial obstruction; During cleaning, must soar hopper and just can carry out repair and maintenance.

Summary of the invention

The objective of the invention is at the deficiencies in the prior art, a kind of simple in structure, mediation efficient internally poking and externally vibrating dredging device higher, easy to install is provided.

Described technical scheme is such: at the inner hydraulic pressure dredger of installing of hopper, at the outside bulkhead vibration device of installing of hopper; Both power supplys are linked the switch box that has the fracture signal supervisory instrument respectively.

Described hydraulic pressure dredger is made up of hydraulic power unit, hydraulic ram, connector, mediation bar etc., and the piston in the hydraulic ram is connected with the oil cylinder piston bar, and the oil cylinder piston bar connects the mediation bar by connector; Described mediation bar is a polished rod, and on-bladed, nothing are scraped pawl, and the first half is a straight-bar, and the crooked S-shaped shape of lower part can increase the mediation area;

Described bulkhead vibration device is bulkhead vibrator or hopper wall vibrator or the broken arch of vibration locking device.Its eccentric block that utilizes vibrating motor energising rotation to drive the motor shaft two ends produces inertial excitation power, bulkhead is vibrated, make that material is impacted in the storehouse, thereby eliminate the relative stability of storeroom in the friction of material and feed bin and the storehouse, material is successfully discharged from Hatch Opening.The commercially available prod model is more, and generally selecting specification for use is frequency 50Hz, power 0.2-2.0KW, amplitude 3-5mm, maximum disturbance force 5000-32000N.

Described mediation bar upper end is provided with long-pending coal scraper plate.

Two kinds of dredgers of the present invention act on simultaneously, internally poking and externally vibrating: straight-line motion about hopper inner utilization mediation bar, material is produced push-and-pull action, in an inner hollow cylinder, stirring up and down again, the path of motion of a circle of formation of forming of hopper, stroke can reach 400mm, make the material that hardens loose, utilize bulkhead vibration device to make the material in the hopper be subjected to displacement, fall again in the hopper outside, reach the mediation effect.And the hydraulic pressure dredger of disclosing in simple the use, the effect of out of reach mediation is often used the outer bulkhead vibration device that shakes merely, can be material jolt ramming, and the also effect of out of reach mediation often.In disclose the hydraulic pressure dredger and the combination of the bulkhead vibration device that shakes outward, the mediation better effects if, more can satisfy the mediation needs.

Have following characteristics:

1, the fracture signal supervisory instrument of She Zhiing can make hopper stop up back primer fluid compressing cylinder and bulkhead vibration device automatically, and vibration and motion stop after the mediation automatically automatically.Both do the time spent simultaneously, and the mediation area is at 5m ²More than, the mediation height can reach more than 3 meters.

2, can set the work-hours of bulkhead vibration device and hydraulic pressure dredger by switch box, can realize regularly vibration, regularly mediation, both can work automatically, but manual work again; But both continuous workings, but intermittent use again; Both can control on the spot, remote controlled again.

3, the present invention is applicable to industries such as mine, chemical industry, electric power, is specially adapted to the mediation of the former coal bunker of thermal power plant, can solve operating paulin coal, chute blockage phenomenon effectively, also can be used for mediation, the block clearing of equipment such as grey slag bucket, grey pipeline, feed pipeline.

Description of drawings

Fig. 1 is a structural representation of the present invention.

Fig. 2 is the connection diagram between oil cylinder piston bar, connector, the mediation bar.

Among the figure, 1. hopper, 2. hydraulic pressure base, 3. hydraulic ram, 4. oil cylinder piston bar, 5. connector, 6. hydraulic power unit, 7. mediation bar, 8.U shape support, 9. switch box, 10. bulkhead vibration device, 11. fracture signal supervisory instruments, 12. pins, 13. long-pending coal scraper plates.

The specific embodiment

As shown in Figure 1, the present invention includes hydraulic pressure dredger and bulkhead vibration device 10.

Described hydraulic pressure dredger is made up of hydraulic power unit 6, hydraulic ram 3, connector 5, mediation bar 7 etc., is provided with piston 3 li of hydraulic rams, can be connected by pin with oil cylinder piston bar 4.This device is installed in the side of hopper 1 by hydraulic pressure base 2, and hydraulic power unit 6 connects switch boxs 9.

Described switch box 9 generally is made up of intelligent time relay, intermediate relay, shift knob, indicating device etc. for meeting the common system of industry standard.

Described bulkhead vibration device 10 is a kind of bulkhead vibrator, generally is installed in the high 1/4-1/3 place that struggles against, hopper lower edge, and power supply is directly connected to switch box 9.

According to actual needs such as the situation of material in the size of hopper, the hopper, hopper wall thickness, the hydraulic pressure dredger can be installed 1-3, and the bulkhead vibrator is installed 2-4.

As shown in Figure 2, oil cylinder piston bar 4 connects mediation bar 7 by connector 5.Mediation bar 7 is a polished rod, and on-bladed, nothing are scraped pawl, can not hang foreign material, can avoid windings such as the rope made of hemp, iron wire again, and the first half is a straight-bar, and the crooked S-shaped shape of lower part can increase the mediation area, is generally the cylinder of diameter 89mm, wall thickness 10mm.

Connector 5 is a solid cylinder, has pin-and-hole, and flexibly connects by pin 12 between the oil cylinder piston bar 4, and captives joint between the mediation bar 7, as welding.When installing and using, be out of line between oil cylinder piston bar 4, the mediation bar 7, and form an obtuse angle that is slightly less than 180 ° between the bucket wall.Be provided with long-pending coal scraper plate 13 in mediation bar 7 upper ends, can scrape off the long-pending coal that forms between mediation bar 7 and the bucket wall in good time.

The lowest positions that moves downward at oil cylinder piston bar 4 is provided with U-shaped support 8, is fixed on the bucket wall.Just in case pin 12 pines, can prevent to dredge the whereabouts of bar 7.

For realizing automatic work, Long-distance Control, on the feeder of hopper 1 lower end, also can be provided with fracture signal supervisory instrument 11, be a usual means, comprise supporting plate, travel switch etc., directly link to each other with switch box 9, supporting plate is installed on the load-transfer device of feeder.

Like this, when bed of material attenuation on the load-transfer device or when not having material, supporting plate moves down, drives travel switch and connects fracture signal supervisory instrument 11, send the fracture instruction, pass to switch box 9, send instruction and both controlled the 10 beginning vibrations of bulkhead vibration device, again by hydraulic power unit 6 control mediation bars 7 setting in motions, make both straight-line motions up and down of oil cylinder piston bar 4, mediation bar 7, material is produced push-and-pull action, stir up and down again, form the path of motion of a circle, stroke can reach 400mm, reaches the mediation effect.When the bed of material was normal on the belt conveyor, bulkhead vibration device 10 and mediation bar 7 quit work.

Claims

1, a kind of internally poking and externally vibrating dredging device is characterized in that at the inner hydraulic pressure dredger of installing of hopper, at the outside bulkhead vibration device of installing of hopper;

Described hydraulic pressure dredger comprises hydraulic power unit (6), hydraulic ram (3), connector (5), mediation bar (7), hydraulic ram (3) lining is provided with piston, oil cylinder piston bar (4) connects mediation bar (7) by connector (5), mediation bar (7) is a polished rod, on-bladed, nothing are scraped pawl, the first half is a straight-bar, the crooked S-shaped shape of lower part;

Described bulkhead vibration device is bulkhead vibrator or hopper wall vibrator or the anti-locking device of the broken arch of vibration;

The power supply of hydraulic ram (3), bulkhead vibration device is linked the switch box (9) that has fracture signal supervisory instrument (11) respectively.

2, internally poking and externally vibrating dredging device as claimed in claim 1 is characterized in that described mediation bar (7) upper end is provided with long-pending coal scraper plate (13).