US557216A

US557216A - Stone-breaker

Info

Publication number: US557216A
Authority: US
Publication date: 1896-03-31
Anticipated expiration: 1913-03-31

Description

(No Model.) 2 Sheets-Sheet 1.

R. MGCULLY.

STONE BREAKER.

No. 557,216. i Patented Mar. 31, 1896.

ATTORNEY I fng- UWE/WOR WTNESSES.' 7% /Ww/C No Model.) l

R. MGCULLY. STONE BREAKBR.

Ptented Mar. 31, 1896.

2 Sheets-'Sheet 2.

ATTORNEY ANDREW RCRANMI4 PHOTO-LFI'IIQAWASHINGTOMDC,

UNITED STATES PATENT OFFICE.

ROBERT MCCULLY, OF PHILADELPHIA, PENNSYLVANIA.

STONE-BREAKER.

SPECIFICATION forming part of Letters Patent No. 557,216, dated March 31, 1896.

Application filed September 17,1886. Serial No. 213,796. (No model.)

To @ZZ whom t may concern,.-

Beit known that I, ROBERT McCULLY, a

citizen of the United States, residing at Philadelphia, in the county 0f Philadelphia and State of Pennsylvania, have invented certain new and useful Improvements in Stone- Breakers, of which the following is a specification, reference being had therein to the accompanying drawings, wherein Figure l is a vertical section of a stonebreaking and ore-crushing machine embodying my improvements; and Fig. 2 is a like view of the upper part of the machine drawn to an enlarged scale, illustrating modifications of construction of detail parts.

My invention has relation to stone or other crushing machines, having particular reference to that form of the same shown and described in Letters Patent of the United States, granted to me September 7, 1886, No.3et8,757 and it has for its object the construction of parts to economize in the cost of manufacture, to increase the durability and efficiency of the machine, and to diminish the friction between its working parts and thereby correspondingly lessen the power required for operating the machine.

My invention accordingly consists of the combination, construction and arrangement of parts,as hereinafter described and claimed..

In the drawings, A represents the frame or casing of the machine, comprising the bottom plate B, chute or outlet-chamber O, crushingchamber D, and top plate E, preferably iianged and bolted together, as shown. F indicates the gyratory shaft, and G the crusherhead mounted thereon within the crushingchamber D.

The topplate E has a central hub-opening e, having vertical grooves e', in which are inserted bolts e2, upon the heads e? of which rests a solid or continuous steel or other suitable sleeve e4, having at its lower edge an inwardly-projecting flange e5. Upon the top of the latter is preferably placed a steel washer e6, and upon it rests a steel bushing c7, the bore of which preferably decreases or tapers downwardly, as shown, and in this bore is inserted the cylindrical head f of the gyratory shaft F, the lower edge or shoulder f of said head f resting or impinging upon the washer e6. The taper of the bore of bushing e7 provides suitable space to admit of the usual inclination of the gyratory shaft F and to provide contact on only one side of the head f with the bushing e7 as the shaft gyrates. The head f, therefore, has a rolling movement within the bushing e7, and all grinding or rubbing friction between said parts is avoided, and all wedging or tightening of the head in its bearing is prevented, no matter what weight or pressure it is subjected to.

The opening e is closed by a cap or cover es, through which pass the bolts e2, which have at their upper ends suitable adj Listing-nuts e9, which also serve to fasten the cap or cover e8 to the plate E. p

To keep the shaft F from raising during crushing, a set-screw 610, passing through cover es and abutting against the top of the shaft-headf,may be employed. l prefer,how ever, to insert between the screw ew and shafthead f a loosely-supported knuckle or toggle @11, having ball-and-socket bearings @12 with said screw and shaft-head, as shown, to avoid a grinding friction between said parts during the gyration or movement of the shaft-head f.

The h'ead f may be formed separate from the shaft F and screwed thereto, as indicated in Fig. l, or placed loosely thereon and held firmly in place by a set-nut f2, as shown in Fig. 2, or it may be otherwise formed, as desi red.

The shaft and crusher-head it will be noted are supported upon washer e, which in turn is maintained in position by sleeve e4 and bolts e2, so that the latter support both the Crusher-head shaft and its top bearing, and by adjusting nuts c" on said bolts the said parts are raised and lowered, as desired, to effect any variation in the degree of crushing, or for other purposes, as fully set forth in my aforesaid patent.

The crushing-chamber D has preferably two sets of working faces CZ and CZ', the set d of which is preferably made in sections having on their rear sides lugs d2, which tinto recesses d3 in the inner wall of chamber D. The

set CZ is in one piece and rests upon the top of the chute-chamber C. These faces CZ and (Z are firmly held in position by the rim E of plate E, overlapping the top edge of faces (Z. The faces (Z and d' are reversely tapered, or have different directions, as shown, while the Crusher-head G has the same, or one taper from top to bottom. The relative taper of the crusher-head and faces CZ and CZ/ is such that the material is crushed or broken coarsely or partially reduced between the faces CZ and the adjacent part of the Crusher-head and finely reduced or pulverized between the faces dV and the part of the crusher-head adjacent thereto.

The Crusher-head working faces may be in two pieces g g', as shown, and they are secured to a sleeve g2, which in turn is cast or otherwise fastened to the shaft F in a manner set forth in pending applications of even date herewith, or in any other desired way.

At the top of the Crusher-head at its outer edge is formed a flange c3, which preferably has a biting or sharp edge g4, which bites the material in the crushingchamber as it is broken or crushed and prevents it flying or jumping out of said chamber.

The bottom plate B has a depending central opening or bearing b, having a removable bottom b. Upon the top of this bearing rests a steel washer h, which supports and upon which revolves the driving-gear Il, having in its bore a sleeve h', provided with an eccentric or cam bore h2 for the reception of the lower end f3 of shaft F.

If desired, the top of the wheel H :may be covered by a plate or protector h3 to keep dirt and dust from said wheel, sleeve, and shaftbearings, or any other form of protector may be used.

In the top of bearing Z2 is a transverse groove or duct b2, which communicates with an annular recess b3, formed around the inner edge of said top, and in line therewith in sleeve h is a transverse opening 71,4 for oiling purposes, and, if desired, vertical grooves maybe cut on the inside and outside of sleeve h', as indicated by dotted lines 715, Fig. l, for a like purpose.

Around the upper part of bearing b and in plate B is formed an oiling-gutter and sediment-chamber b4, which are provided with a drip-cock b5, if desired, and this gutter eX- tends upwardly above the top of plate B and is bridged by radial bars b to maintain the full strength of said plate B, as fully described and shown in two other pending applications of even date herewith, Serial Nos. 213,795 and 213,797, respectively.

Gutter h4 is provided with an oil-supply pipe L, the filling end Z of which is about on a line with the top of the gutter, so that the oil will rise in filling end Z and in the gutter simultaneously to provide for ascertaining when the bearing is filled with oil and to prevent overflow therefrom. An y such overflow however, from gutter Z9* to plate B is retained in the machine by the annular flange 197, formed on the upper side of plate B, outside of the driving-gear II. Any waste oil accumulating on plate B is drained off through cock w. The oil flowing into gutter b4 passes through duct or ducts h2, recess b3, and openings h" to bearing Z) until it and the gutter are filled, and all the bearing parts of the lower end of the shaft and its driving-gear are thus thoroughly oiled.

The one or more chutes c for chamber C are constructed and arranged as desired; but I prefer to make them as set forth in my aforesaid Letters Patent.

In Fig. 2 the working faces eZ of crushingchamber D are made straight vertically, and the faces CZ only are tapering, the result in this case being the same as that above described for the reversely-tapered faces CZ and CZ'.

I prefer to make the faces d straight or directly vertical, as shown in Fig. 2, and give to the faces CZ a taper corresponding to that of the Crusher-head, as the latter having the same or but one taper from top to bottom prevents lodging of the ore or material at any point on its working face.

What I claim is- 1. In a stone-breaker, the combination of a housing or frame top plate having a central hub-opening, a gyratory shaft having an enlarged cylindrical upper end, a sleeve or bearing in said hub-opening, said sleeve having at its lower edge an inwardly-projecting flange forming a support for the lower end or edge of said cylindrical en d of the shaft and adjusting mechanism for raising and lowering said sleeve and shaft, substantially as set forth.

2. In a stone-breaker, the gyrating shaft F having head f, bushing e7, sleeve e4 having flange e5, top plate E having opening e and bolts e2 having adjusting-nuts e, substantially as set forth.

3. In a stone-breaker, the combination of a gyratory shaft supported at the top of the machine, and having an enlarged upper head f, a top plate provided with a central hubopening, a bearing composed of a sleeve supporting a washer, and a bushing resting on said washer, substantially as set forth.

4. In a stone-breaker, the combination with frame A and top plate E having opening e, of gyratory shaft F having head f, bushing e7 washer e, sleeve e4 having flange or shoulder e5 and bolts e2, substantially as shown and described.

5. In a stone-breaker the combination of a crushing-chamber having separate working faces d CZ',the gyratory shaft F having crusherhead G provided with a single taper from top to bottom and a top-edge flange g3, and driving mechanism located below the crushingchamber substantially as set forth.

G. In a stone-breaker the combination of a ICO IIO

IIS

Vertical gyratory shaft, a Crusher-head G having a top-edge flange g3, and a crushing-chamber D, substantially as and for the purpose set forth.

7. In a stone-breaker, the Combination with the gyrating shaft F and its top bearing, of supporting and. adjusting devices for said bearing and shaft, set-screw, and knuckle or toggle e having ball-and-soeket bearings on, said sereW and shaft,substantia11y as set forth. I o

In testimony whereof I affix my signature in presence of two Witnesses.

ROBERT MCCULLY. Witnesses:

S. J'. VAN STAVOREN, CHAS. F. VAN HORN.