CN2539744Y

CN2539744Y - Tamping machine

Info

Publication number: CN2539744Y
Application number: CN02220257U
Authority: CN
Inventors: 马建华; 朱建荣
Original assignee: ZHANGJIAGANG CHANGLI MACHINERY CO Ltd
Current assignee: ZHANGJIAGANG CHANGLI MACHINERY CO Ltd
Priority date: 2002-04-16
Filing date: 2002-04-16
Publication date: 2003-03-12
Anticipated expiration: 2012-04-16

Abstract

The utility model discloses a tamping tool used for tamping proportional coal in coker industry, which mainly comprises a body case, under which a running gear is arranged. A tamping press head driven by a hydraulic drive apparatus is arranged in the body case, and the tamping press head and the body case are connected through the hydraulic drive apparatus. Due to the adoption of a hydraulic drive structure, the operation is smooth and steady, and no impact destruction occurs to a coal box while tamping work is under way. Meanwhile, because the coal tamping and pressing area of the hydraulically powered tamping press head in work is much larger than the coal hammer stamping area of the mechanically driven tamping hammer in work, the tamped coal cake has even density with comparatively smooth coal cake surface. The utility model is helpful in producing coking coal with high quality, and has high work efficiency.

Description

Plug ramming machine

Technical field

The utility model relates to adopt makes the coking equipment industry that coal comes coking firm by ramming, refers more particularly to the plug ramming machine that wherein is used for making firm by ramming mixed coal.

Background technology

At coking industry, coke strenth height, the granularity produced are big, quality good in order to make, and generally all must make into mixed coal firm by ramming briquette, and plug ramming machine is exactly to be used for coking is made firm by ramming into mixed coal a kind of equipment of briquette specially.The plug ramming machine that generally uses is the mechanical transmission-type structure at present, in this machine the typical structure of single group tamping unit as shown in Figure 1, mainly by stop hammering ratchet 1 into shape, stop hammering into shape electro-magnet 2, driving chain 3, synchromesh gear 4, transfer that the leadman takes turns 5, disk spring 6, driving gear 7, eccentric wheel 8, guide deflection sheave 9, compactor 10 form; Its principle of work is: driving chain 3 drives eccentric wheel 8 by two synchromesh gears 4 and promotes compactor 10, the positive pressure of 8 pairs of compactors 10 of eccentric wheel applies by disk spring 6 by transferring the leadman to take turns 5, when eccentric wheel 8 rotates to the room, compactor 10 promptly with the mixed coal in the velocity shock coal bin of freely falling body, is made into mixed coal firm by ramming briquette.A general plug ramming machine is made up of the tamping unit of many groups said structure, and each compactor of organizing in the tamping unit moves with certain frequency staggering; Usually, plug ramming machine by running gear walking on the track of coal bin both sides, thereby block-by-block, the coal in the coal bin is made firm by ramming solid piecemeal, make the used briquette of coking; Above-mentioned running gear is made up of the electric motor and the speed reduction unit of wheel and driving cartwheel usually.

The shortcoming of above-mentioned mechanical transmission-type plug ramming machine is: one, because the Working environment of plug ramming machine is more abominable, thereby the wearing and tearing of each movement parts are more serious, cause the work-ing life of plug ramming machine shorter; Two, because the compactor in the plug ramming machine constantly impacts mixed coal with the speed of freely falling body, thereby also can constantly impact, thereby have influence on work-ing life of coal bin coal bin; Three, in the said structure, the face of making firm by ramming of compactor---the area that also is its working face when making mixed coal firm by ramming is all less usually, thereby its working efficiency is lower.

Summary of the invention

At the problems referred to above, the utility model will provide that a kind of working efficiency is higher, stable action, work-ing life long plug ramming machine.

For achieving the above object, the technical solution adopted in the utility model is: described plug ramming machine mainly comprises: casing, and the casing below is provided with running gear, is provided with in the casing and makes pressure head firm by ramming, make pressure head firm by ramming and driven by fluid pressure drive device, fluid pressure drive device will be made pressure head firm by ramming and will be connected with casing.

Running gear recited above mainly comprises: wheel, wheel are installed in the below of casing, and wheel is driven by electric motor and speed reduction unit, and electric motor and speed reduction unit and casing fix.

Fluid pressure drive device recited above mainly comprises: be fixedly installed on the hydraulic ram in the casing, one end of hydraulic ram with make pressure head firm by ramming and be fixedly connected, also be set with guide pin bushing in the casing, be movably set with guide pillar in the guide pin bushing, the lower end of guide pillar with make pressure head firm by ramming and fixedly connected.

The utility model has the advantages that: owing to adopted the hydrostatic transmission structure, so when making work firm by ramming stable action, coal bin is not had impact destroys; Simultaneously since hydraulically powered when making pressure head work firm by ramming to coal to smash pressure surface long-pending, long-pending much bigger to the hammer pressure surface of coal during than mechanically operated compactor work, so the briquette density of making firm by ramming is even, the briquette surface ratio is more smooth, helps producing high-quality coke, and working efficiency is also higher.

Description of drawings

Fig. 1 is the structural representation of mechanical transmission-type tamping unit in the prior art;

Fig. 2 is the structural representation of plug ramming machine described in the utility model;

Fig. 3 is the left TV structure synoptic diagram of Fig. 2.

Embodiment

Below in conjunction with the drawings and specific embodiments technical scheme described in the utility model and principle of work thereof and advantage are further described.

As shown in Figure 2, plug ramming machine described in the utility model mainly comprises: casing 6, and the below of casing 6 is provided with running gear, is provided with in the casing 6 to make pressure head 11 firm by ramming, make pressure head 11 firm by ramming and driven by fluid pressure drive device, fluid pressure drive device will be made pressure head 11 firm by ramming and will be connected with casing 6.

As shown in Figure 2, running gear recited above mainly comprises: wheel 2, and wheel 2 is installed in the below of casing 6, and wheel 2 is driven by electric motor 4 and speed reduction unit 3, and electric motor 4 and speed reduction unit 3 fix with casing 6; In the present embodiment, the wheel 2 in left side is driven by electric motor 4 and speed reduction unit 3 among Fig. 2, is motion-work wheel, and the wheel on right side is a driven wheel.

As Fig. 2, shown in Figure 3, fluid pressure drive device recited above mainly comprises: be fixedly installed on the hydraulic ram 5 in the casing 6, in the present embodiment, be provided with nine hydraulic rams 5 altogether, one end of hydraulic ram 5 with make pressure head 11 firm by ramming and fixedly connected, also be set with guide pin bushing 9 in the casing 6, be movably set with guide pillar 10 in the guide pin bushing 9, the lower end of guide pillar 10 with make pressure head 11 firm by ramming and fixedly connected, the purpose that guide pillar 10 and guide pin bushing 9 are set is---play guide effect when pressure head 11 moves up and down making firm by ramming.In the present embodiment, enter into oil cylinder 5, be provided with dustproof shell 7 and be enclosed in the shell of oil cylinder 5 and make firm by ramming between the pressure head 11 in order to prevent dust etc.

The principle of work of plug ramming machine described in the utility model is: running gear is walked on the track 1 of coal bin both sides by wheel 2 wherein, before beginning to smash the pressure briquette, start running gear earlier plug ramming machine is walked once on track 1, allow be arranged on the flat coal plate 12 of making firm by ramming on the pressure head 11 the coal peak in the coal bin is put down; Then, make hydraulic ram 5 actions, hydraulic ram 5 drivings are made pressure head 11 firm by ramming and are moved down, and make and make pressure head 11 firm by ramming with the mixed coal compacting of certain pressure with its below; Then, hydraulic ram 5 reverse motions are mentioned and are made pressure head 11 firm by ramming, control running gear again and make plug ramming machine move forward a segment distance on track 1, hydraulic ram 5 drives once more and makes pressure head 11 firm by ramming and move down then, makes to make pressure head 11 firm by ramming with the mixed coal compacting of certain pressure with its below; Perseveration like this, with the compacting piecemeal of the mixed coal in the coal bin, the mixed coal in the coal bin all is compacted into till the required briquette the most at last.In the present embodiment, for preventing that plug ramming machine may float when smashing pressure work, as shown in Figure 2, downside at casing 6 is set with " L " shape hook 8, link up with the downside of 8 lodges at the chimb of track 1, like this, neither hinder plug ramming machine to walk in orbit, can guarantee that again plug ramming machine can not float when smashing pressure work.

From the above mentioned as can be known owing to adopted the hydrostatic transmission structure, so when making work firm by ramming stable action, coal bin is not had impact destroys; Simultaneously since hydraulically powered when making pressure head 11 work firm by ramming to coal to smash pressure surface long-pending, long-pending much bigger to the hammer pressure surface of coal during than mechanically operated compactor work, so the briquette density of making firm by ramming is even, the briquette surface ratio is more smooth, help producing high-quality coke, working efficiency is also higher.

Claims

1, plug ramming machine mainly comprises: casing, and the casing below is provided with running gear, is provided with in the casing and makes pressure head firm by ramming, and it is characterized in that: make pressure head firm by ramming and driven by fluid pressure drive device, fluid pressure drive device will be made pressure head firm by ramming and will be connected with casing.

2, plug ramming machine as claimed in claim 1 is characterized in that: described running gear mainly comprises: wheel, wheel are installed in the below of casing, and wheel is driven by electric motor and speed reduction unit, and electric motor and speed reduction unit and casing fix.

3, plug ramming machine as claimed in claim 1 or 2, it is characterized in that: described fluid pressure drive device mainly comprises: be fixedly installed on the hydraulic ram in the casing, one end of hydraulic ram with make pressure head firm by ramming and be fixedly connected, also be set with guide pin bushing in the casing, be movably set with guide pillar in the guide pin bushing, the lower end of guide pillar with make pressure head firm by ramming and fixedly connected.