US280781A

US280781A - barditzky

Info

Publication number: US280781A
Authority: US
Publication date: 1883-07-10
Anticipated expiration: 1900-07-10

Description

(No Model.) 2 Sheets-Sheet 1. H. BARDITZKY.

MINING MAGHINE.

Patented July 10, 1883.

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r 2 Sheets-Shet 2. H H. BARDITZKY.

(No Model.)

MINING MACHINE.

N. PETER; Mniithqruphor, \VnW-n. D. c.

.To all whom it may concern.-

UNITED STATES PATENT O FICE.

HERMANN BARDITZKY, OF ST. LOUIS, MISSOURI, ASSIGNOR TO ANDREW BRANDENBUR GE R AED WILLIAM TIRRE, OF

OF TWO-THIRDS SAME PLACE.

MINING-MACHINE.

SPECIFICATION formingpart of Letters Patent No; 280,781, dated July 10, 1883.

Application filed February 13, 1883. (No model.)

Be it known that I, HERMANN BARDITZKY, a subject of the King of Prussia, and a resident of St. Louis and State of Missouri, have;

invented a new and useful Improved Mining- Machine, of which the following is a specification.

Myinvention relates to improvements in mining-machines designed more especially to facilitate the laborious operation of undercutting, boring, drilling, and detaching coal, clay, rocks, &c. hence is serviceable for working in coal and clay mines and banks, quarries, and for tunneling purposes. I accomplish the said objects by the mechanism illustrated in the accompanying drawings, in which Sheet 1: Figure l is a perspective viewfof the complete machine as readyfor application and use. Sheet II: Fig. 2 is a side elevation. Fig. 3 is a top plan, the dotted lines representing the respective positions any of the boringtools, also pick and extractor-tool, can be made to assume when not to be used. Fig. 4 is a transverse section on line 4 4"of Fig. 3. Fig. 5 is a detail view showing the coupling-connection between one end of a shaft and its rack-bar.

Fig. 6 is a detail view showing a shaft with its feather passing through a collar fitted by its flanges to revolve in the .bearing of the upright frame. Fig. 7 is a detail of the feed mechanism that drives the pinions on all the rack-bars, said figure showing adjustable parts to suit the pawl with relation to the driving ratchet wheel. Fig. 8 is a detail of the pick with its pivoted jaw or extractor.

Similar letters of reference refer to the same parts throughout the several views.

A represents the bed-plate of the machine, upon which the operating parts are mounted.

As shown in Fig. 1, the entire machine can be made portable by providing same with trucks or wheels in the manner usual.

The respective standards are composed of two parts-the lower section, B, and the top section, B. (See Figs. 1, 2, 3, 4, 6.)

1) represents the bolt-fastening through the sleeve-corners of the two sections 1313, to unite the standard parts top of each other, as indi cated.

O are the shafts, of which there can be any number, all similarly arranged and operating alike. Each shaft is capable of being revolved, and at the same time has a forward push motion, and the manner and means to fit said shafts to pass through therespective opposite collars d d in the standards are as follows: Each shaft has extending its entire length a feather, c. This fits in a corresponding-shaped groove, 0, made in the two collars, as shown in Figs. 1, 4, 6. Further, each collar is placed in the bearing between the two sectional parts of a standard, so that the collars can freely revolve at the same time. The opposite side flanges at shown in Figs. 1, 4. Otherwise the pinions are kept in place alongside the standards by an additional bracket-support, 0, so as not to interfere with the proper rotation of the pinion. (See Figs. 1, 3.) The joint, therefore, between the pinion and its shaft is such as also to permit the shaft to be revolved and be capable of a forward motion when the shaft is to be fed forward or be withdrawn, as the case may require.

E is the main drivinggear, fitted to mesh with both pinions toimpart rotation to each. (See Figs. 1, 2, 3, 4.) This driving gear-wheel is mounted to turn with the power-shaft F, that has its ends journaled near top of the uprights or standards.

. F is the bell-pulley on the main shaft, from which, by belting connection to power source, the operation of all the parts takes place.

, G represents the boring-tool or'cutters. (See Figs. 1, 2, 3.)

The several shafts 0, together with their boring-tools, can therefore be freely revolved to bore, drill, or hole the coal, clay,'or material; but, further, it is my object at the same time, in boring or holing the material, to impart to each shaft, or all combined, as desired, a forward thrust or push motion, and this I accomplish by the mechanism as follows:

H H are the respective rack-bars, which I couple to each shaft. The coupling I, to unite the end of the shaft to its rack-bar, is such as to freely permit not only the shaft to revolve, but also permits both shaft and its rack-bar to have the horizontal forward feed motion just stated to thrust the boring-tool forward while in the act of boring or holing the material. This coupling I is in the nature of a sleeve made in two like halves, with flanges i (See Figs. 1, 2, 3, 5.) At one end the coupling presents an opening fitted for the insertion ofthe end of the rack-bar, and a pin, 6., is passed through all the parts to secure the rack-bar to the coupling. (See Figs. 1, 5.)

The end of the shaft is likewise placed between the coupling-halves, these being fitted with an'an'nular groove or recess, i, to re ceive the head of the shaft, which is thus coupled, so that it can revolve, yet follow up the movements imparted to the rack-bar. (See Fig. 5.) Finally, the two coupling-halves are placed top of each other, and their sleeves are firmly bolted together, as indicated. All the rack-bars are thus coupled to their shafts; hence when the former are withdrawn or moved backward the same motion can be imparted to the shaft. This coupling-connection permits the operator to disengage any or all the rack-bars from their shafts, to dispense entirely with any particular rack-bar, or to operate a shaft and borer-tool alone.

The mechanism to operate the rack-bars is as follows: The power-shaft at one end carries a bevel-gear, j, meshing with the similar bevel-gear j, mounted on a shaft, j", which is transversely arranged and turning in proper bearings top of a side standard, J, that is bolted upright to the bed-plate of the machine. (See Figs. 1, 2.) The opposite end of the transverse shaftj carries adisk-wheel,

j, to which is eceentrically pivoted one end of a pitman, J. The other end of pitman, by means of a set-screw, j, passing through a slot, 3"", is adjustably secured to an arm, J that has its lower end pivoted to the bedplate or journaled to the rear shaft, K, as indicated. The rear shaft, K, is also arranged transversely, and turns in proper journalboxes of the side frames or standards, k 7;. (See Fig. 3.) To this shaft K is rigidly secured the respective pinions It It to mesh with the respective rack-bars. (See Figs. 1, 2, 3.) Also, on the shaft K is the driving ratchetwheel K, in engagement with which is the pawl that is shown pivoted to the vibratory arm J (See Figs. 1, 2, 3, 7.) Thus the intermittent circular motion of the driving ratchet-wheel K, from the vibratory motion of the arm J", carrying the pawl k, revolves the rear shaft, K, with its pinions, and imparts a horizontal feed or push motion to each rack-bar.

It will be noted that the feed motion on the part of any or all the racks does not interfere with the revolving of the tools, and that as each tool holes or bores into the material this forward feed motion on the part of the rackbars is communicated to its proper shaft and tool, and decisively assists the lat ter to bore its way into the material.

In connection with the revolving rear shaft I have provided an automaticacting pry or pick and extractor to enter the coal, clay, or material alongside of the holings, for purposes of loosening the walls between the places where the holes are bored, breaking the material, also extracting the broken chunks or loosened portions.

L represents the pick, and pivoted to one side thereof is a jaw or extracter, L. (Sec Figs. 1, 3, 8.) As shown, the pick is the sharpened point of a long rod or bar, L which passes through guide-boxes secured to the bed-plate. The rear end of the bar L can be made a rackbar or coupled to one, (see L in Figs. 1, 3.) This rack-bar L is operated by the farther pinion Z on the extreme end of the rear shaft, K. (See Figs. 1., 3.) The rack-bar L, being thus capable of a forward thrust motion, forces the pick, with its extractor, to enter the material. More specifically stated, in thrusting the pick forward, its hinged jaw or extractor L is forced to lie alongside of the rod in the position shown in Figs. 1, 3. The pick and extractor in this condition penetrate the material; but on with drawing the pick its jaw or extractor L is moved outward, assuming the position shown in Fig. 8, taking hold of the material and extracting the broken portion thereof in the very act of withdrawing the complete instrument. At any stage of the work the pick and extractor can be used, and when not to be used is si in ply withdrawn to the rear or removed from themachine. Similarly, any shaft carrying a boring-tool can be withdrawn or made to assume the position shown in dotted lines in Fig.

3 by uncoupling the joint with its rack-bar and removing same out of gear.

The complete operation of the machine can be stated as follows: The machine by its trucks can be brought to face the coal, clay, or material to be mined, as desired. When in proper position, the power source operates all the shafts carrying boring-tools simultaneously, or such of these parts as it may be desired to operate. At same time the feed mechanism thrusts the tools forward into the work or material. It is this forward thrust, push, or impact motion of each shaft, acting simultaneously with their revolving boring-tools, that bores and otherwise forms the hole or holings in the material, forming and dividing walls in same, preparatory to loosening and removing the holed portions. The loose gritty sand or pulverized portion of the material can. pass through the hollow of the boring-tool, falling out immediately behind same; or the said pulverized rock, coal, 850., removed by the cutting-edges can bepassed out at the rear end of the machine by simply making the shafts (that carry the boring-tools) hollow their entire length and closing the tool at its junction with the end of its shaft. The same forward thrust motion being imparted to the pick forces it to enter the material and loosen and break same, and on the returnstroke the said broken material is extracted by the eX- K, mounted on shaft K, having pinion k, mesh ing with rack-bar H, coupled to same shaft carrying the tool, as described, by means whereof the said shaft or shaft and tool and rack-bar can have a forward or thrust motion, as and for the purposes set forth.

2. In a mining-machine, the combination of partsviz., the sectional standards B B, the

collard, having groove 0 and flanges (2 the feed-shaft 0, having feather c, the'boring-tool G, the pinion E, having groove 6, the main driving-gear E", power-shaftF, bevel-gearj, the bevel-gear j on a separately-supported shaft, j having eccentric connection to pitman J operating an arm, J carrying pawl R the driving ratchet-wheel Kon shaft K, having the pinion k, meshing with rack-bar II, coupled to same shaft carrying the boring tool, by means whereof the said shaft or its tool can be revolved and at same time feed forward, in the manner and for the purposes set forth.

3. In a mining-machine, in combination with a revolving shaft carrying a pinion, Z, the rackbar L the rod L, carrying pick L, having pivoted jaw or extractor L, to operate substantially as and for the purposes set forth.

In testimony of said invention I have here- I unto set my hand.

HERMANN BARDIIZKY.

Witnesses:

VVILLIAM W. HERTHEL, ANDREW BRANDENBURGER.