US1875730A - Crane trolley - Google Patents

Description

Sept.- 6,1932. .7 o. HIVELY v 7 CRANE TROLLEY Filed Aug. 26, 1930 5 Sheets5heet l 0.s5,z'an Hive! saw Sept. 6. 1932. o. HIVELY 1,875,730

CRANE TROLLEY I Filed Aug. 26, 1950 s Sheets-Sheet 2 1. Sept. 6, 193.2. 0. HIVELY CRANE TROLLEY Filed Aug. 26, 19:50

5 Sheets-Sheet 5' 0. HIVELY CRANE TROLLEY Sept. 6, 1932.

Filed Aug. 26, 1930 5 Sheets-Sheet 4 v ileum,

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Sept. 6, 1932. o. HlVELY CRANE TROLLEY Filed Aug. 26. 1930 5 Sheets-Sheet 5 gwue'n to'c Qssian/ H Patented Sept. 6, 1932 v nnITEosTATEs PATE NT'OFF' ICEf ossie mv'ELx, or A LIANCE, oHIo, AssIeNoE'romHE MORGAN ENGINEERING com- PANY, E AnLI Nc cnIo CRANE TEoLLEY i Application filed August 26, 1930. Serial No. 477,914.

This inventionrelates' to improvements in crane trolleys, and more especially to such a trolley designed for the purpose of handling a hot metal ladle and tilting the ladle with-.

out help from. a ground-man. While themechanism is especially adapted for this -pur-.

Y pose, it will be-obviousfrom this disclosure that it might be used for other purposes, such as turning of'forgings, manipulating tongs, etc. .7 f

The primary. object of the' invention is to provide a crane trolley mechanism including a hook actuatedfrom the trolley, toengage the lower portion of a ladle, and means cooperating with the hook for elevating the latter to tilt the ladle and thus pour-the contentsof the latter. V a 1 Another object is to furnish mechanism of this character, all parts of which'may be controlled by a single operator. i =1 lv thxthef foregoing objects outlined and with other objects inview which will-appear as the description proceeds, the invention consists in the novel: features hereafter de-: scribed in deta1l,'1llustrated lIl the-accompointed out in the appended claims.

In the drawings, 7 I

an in drawin s and more articularl Fig. lie at top plan view of my improved.

trolley. I

. Fig. 2 is an end elevation of theisaine with the hoisting ropes, ladle andtilting hook, mechanism eleminated to facilitate illus tration; i .Fig. 3 is 'a side elevation, partly broken away, of the entire mechanism.

Fig. 4 isa similar view. with the carriage portion of the trolley omitted and showing the crank'nieans employedfor "moving-the hook into and out of engagement with the ladle. y

Fig. 5 is an end elevation ofthe ladle and portions of its elevating'and tilting mechanism. I

Fig. 6 is an elevation of a'detail.

Fig. 7 is a top plan View of the pulley or block mechanism of the ladle tilting device.

Referring to the drawings, 10 designates the body or platform ofa trolley carriage having supporting wheels 11 which travel on the usual crane tracks (not shown).

The main hoisting drum of the trolley is shown" at 12, and it is drivenin the usual way by anelectric motor 13. -Cables 14 are wound on-the drum. Each of these cables has one of its ends-secured to the drum, and

its other end anchored to the carriage as shown at 15. These cables have portions depending from the carriage and passing about pulleys 16 'whichare mounted on axles supported by a ladle elevating frame 17 which is used to raise and lower ladles containing. moltenmetal." One of these ladles is shown" at 18. It will be obvious that when the mo tor 13is actuated, the drum 12 can be turned: to wind: or unwind cables 14, and this will result in elevating or lowering the ladle.

In accordance with my invention, the ladle.

other end'anchored to the carriage, as shown at 23. Depending portions of these cables pass about a pair of pulleys 24, and from the" axles of, theseipulleys, a link 25 depends.

This link partially supports, and is pivotally connected at 26 tova ladle tilting hook 27 which is adapted to engage either one of the bars 28. Each one of these bars is rigidly connected toa pair of cars 29 that are rigid with the lower end portionof the ladle.'--It will be clear from Fig.3 that when the hook is in engagement with one of the bars 28, and.

is elevated while the frame 17 remains stationary,'the ladle will be tilted on its trunnions 19 for the purpose of pouring from the ladle;

As part of my inventio-mI have means for Two cables 22 are wound see moving the lower extremity of the-hook 27 toward and away from the ladlefor the purpose of connecting the. hook to one of the bars 28. To this end, a lever 30 is pivotally mounted on the axle 31, and is rigidly connected with the casing 32 of a pulley 88 which rotates on an axle 34. The pulley 33is susfrom one end of a lever 37. The other end of this lever is mounted on a fixed shaft 38 that projects from one end of the trolley carriage. For the purpose of raising or lowering the free end 39 of the lever 37, the medial portion of the latter is supported by a link 40,and the upper end of the link ismounted V on a crank'pin or eccentric 41, which extends from a shaft 42. The latter, as best shown in Fig. 6, is fixed to a worm gear 43, driven by a worm 44, which is operated by an electric notor 45, and is arranged in a casing 46.

' Atthis point it will be noted that all of the motorsof the trolley will be connected by a suitable wiring to a common control board, not shown, in order that a single operator may control the travel of the trolley along its tracks, the raising and lowering of the ladle, .the swinging of: the hook 27, and the tilting of the ladle.

In order that the raising and lowering of the pulley33 will act to swing the hook on thepivot 26, the axle 34 is secured to the,

upper ends of'links 47, and the lower ends of these links carrya cross pin 48 which ex i tends through a'slot 49 at the upper end-of the .will drop downwardly, and the hook will, swing about the pivot 26, so as to bring the hook 27. The slot permits of a small amount of movement of the hook 27 without moving the block or pulley 33while tilting the ladle.

In operation, assuming that the frame 17 haselevated the ladle and carried' thelatter 1. to the point of pouring, at such time, the hook 27- willbe in the dotted line position shown in Fig. 4, at which time the crankpin 41 will be above the shaft 42. Now, if the motor 45 is actuated, the shaft 42 can beturned to lower the crank pin 41 so that the pulley 33 lower extremity of the hook beneath the bar 28 at the left side of the ladle. I v

Now, when the motor 21 is started, the

cables 22, and will be wound, so that the hook 27 will be elevated to tilt the ladle about itstrunnions 19, or into the dotted line position of the ladle, as shown in Fig. 3, Of course, when the parts are returned to the position shown in Fig 4, and then the motor 45 is actuated, it will cause the crank pin 41 a to again move to a point above the shaft 42,

with the result that the'hook will be moved from the full line position of Fig. 4, to the dot-ted line position of that figure.

From the foregoing it is believed thatthe construction, operation, and advantages of the invention may be readily understood, and

I am aware that changes may be made in the details disclosed, without departing from the spirit of the invention, as expressed in the claims. V Q

What I claim andvdesire to secure by Letters Patent is:

by the latter, and means coacting with one of the last mentioned cables for raising or lowering one of the pulleys so as to swing the tilting member.

2. A mechanism of the character described, including a main hoist-ing drum provided with a hoisting cable, a member tilting drum provided with hoisting cables, pulleys engaging the last mentioned cables, a tilting member operatively connected to the pulleys to be swung or elevated by the latter, means coacting with one of the last mentioned cables for raising or lowering one'ofthe pulleys so a as to swing the tilting member, and a lever connecting saidpulleysa r Y 3. A 'mechanism'of the character described, comprising a trolley carriage, a main hoisting drum mounted on the carriage, a main hoisting cable actuated by said drum, elevating means supportedby the cable, an auxiliary hoisting drum mounted on the carriage, cables actuated by the auxiliary drum, pulleys operatively connected with the last mentioned cables, axles associated with the pulleys, a lever connected to said axles, a tilting member supported by the axles,and.means operatively connected to'one of the last mentioned cables for swinging said tilting member. 7

4. A mechanism of the character described, comprising a trolley carriage, a main hoisting ing cable actuated by. said drum, elevating means supported by the cable, an auxiliary hoisting drum mounted on the carriage, cables actuated by the auxiliary drum,'pulleys operatively connected with the last mentioned cables, axles associated with the pulleys, a lever connected to said axles, a tilting mem ber supported by the axles, and means operatively connected to one ofthe last mentioned cables for swinging said tilting mem-' ber, the last mentioned means including a lever connected to one end of one of said cables and pivotally mounted on the carriage.

5. A mechanism of theqcharacter described, comprising a trolley carriage, a mainhoisting drum mounted on, the carriage, a main hoisting cable actuated by said drum, ele-' vating means supported by the cable, an auxiliary hoisting drum mounted on the carriage, cables actuated by the auxiliary drum,

pulleys operatively connected with the last mentioned cables, axles associated with the pulleys, a lever connected to said axles, a tilt-j ber, the last mentioned means including a crank pin operatively connected to one end of'one of said cables, and an electric motor for actuating the crank pin. I

6. A crane trolley'comprising a carriage, a main drum mounted on the carriage, an electric motor foractuating the drum, main cables Wound on the drum, each cable having one of-its ends secured to the drum and its other end secured to the carriage, a hoisting element having I guide pulleys suspended from said cables, motor operated auxiliary drum means mounted onthe carriage, auxil iary cables wound on the auxiliary drum means, each oi. the auxiliary cables having one of its ends secured to the auxiliary drum means and its other end secured to the carriage, pulleys supported by the auxiliary cables, a tilting member partially supported by the last mentioned pulleys, and means for swinging the tilting member toward and away from the hoisting element.

7. A crane trolley comprising a carriage, a

main drum mounted on the carriage, an electric motor for actuating the drum, main cables wound on the drum, each cable having one of its ends secured to the drum and its other end secured to the carriage, a hoisting element having guide pulleys suspended from said cables, motor operated auxiliary drum means mounted on the carriage, auxiliary cables wound on the auxiliary drum means, each of the auxiliary cables having one of its ends secured tothe auxiliary drum means and its other end secured to the carriage, pulleys supported by the auxiliary cables, a tilting member partially supported by the last mentioned pulleys, means for swinging the tilting member toward and away from the hoisting element, the last mentioned means including a third auxiliary cable having one of its ends secured to the auxiliary drum means, and means connected to the other end of the third auxiliary cable for 1 moving the last mentioned end toward or away from said carriage.

8. In mechanism of the class described, supporting pulleys, means for raising and lowering said pulleys, a hook pivotally connected to the pulleys, a third cable supported pulley, a lever pivotally connecting the third pulley to the first mentioned pulleys, means operatively connecting the third pulley to said hook, a cable supporting the third pulley, and means for elevating or lowering one end of the last mentioned cable for swinging the hook about its pivotal connection with the first mentioned pulleys.

9. In combination, a trolley carriage, main elevating means supported by the carriage, a

hoisting element carried by said means, auxiliary elevating means supported by the carriage, means on the carriage for preventing the main elevating means and auxiliary elevating means from moving toward and away from each other, a tilting element pivotally connected to the auxiliary elevatingmeans and swingable toward and away. from the hoisting element, and means supported by her.

10. In. mechanism of the a character de-. scribed, a trolley carriage mainraising and lowering "means supported by the carriage,

a hoisting'element carried thereby, a ladle 7' supported by the elementand pivotally con nected tothe latter, a ladle tilting hook en-. gageable with the ladle, meanssupported by the carriage for raising: and lowering said hook, and-means supported by the carriage for swinging the hook toward and away from the ladle. Y a a 11. A crane trolley comprising a carriage, main raising and lowering-means supported by the carriage, a hoisting element carried by said means, a ladle'supported'by and pivotally connected with said element, hoisting drum means mounted on the carriage, a hoisting cable associated with the drum means, a. pulley supported by said cable, a tilting hook Y pivotally connected to the pulley and engageable with the ladle for tilting the latter, and means supported by the carriage for swinging the hook toward and away from the ladle. i 3 1 V 12. A crane trolley comprising acarriage, main raising and lowering means supported by the carriage,'a hoisting'element'carried by said means, a ladle'supported by andpivot'ally connected with said element, hoisting drum means mounted on the carriage, a hoisting cable associated with the drum,'apulley supported by said cable, a tilting hook pivot ally connected to the pulley and engageable with the ladlefor tilting the latter, means 16 wound on said drum means, a hoisting element suspended vfrom the cables, a ladle piv:

otally connected to and supportedby'said element, auxiliary hoisting "drum means mounted on the carriage, auxiliary cables wound'on the auxiliary drum means, pulleys suspended from said cables, a link suspended from the pulleys, a hook pivotally. connected to said link, a leverpivotally connectedto said pulleys, a thirdpulley-connected to the lever, a second linkconnected to the third pulley and pivotally connected'to the hook at a point spaced from, the point where the first link is connected to the latter, and means for swinging said leverand moving thesec- J the carriage for swinging said tiltable meme otallyconnected to and supported by said element, auxiliary hoisting drum means mounted on the carriage, auxiliary cables wound on the auxiliary drum means, pulleys suspended from said, cables, a linksuspended from the pulleys, a hook pivotally connected to said link, a lever pivotally connected to said pulleys, athird pulley connected to the lever, .a second link connected to the third pulley and pivotally connected to the hook at a point spaced from the point where the first link is connected to the latter, and means for swinging said levervand moving the sec ond link for swinging the hook'toward and away from the ladle, the hook being COIle nected to the second link by a slot and pin connection.

15. A crane trolley comprising a carriage, an electric motor actuated main drum mounted on the carriage, main cables wound on said drum, each cable having one of its ends connected to theodrum and its other endv connected to the carriage, a hoisting element suspended from the cables, a ladle pivotally connected to and supported by said element, a motor driven auxiliary drum mounted on the carriage, auxiliary cables wound on the auxiliary drum, each auxiliary cable having one of its ends secured to the auxiliary drum, and its other end connected to the carriage, pulleys supported by the auxiliary cables, a link suspended from said pulleys, a tilting hook pivotally connected to the link and engageable with the ladle for tilting the latter, a third auxiliary cable having one of its ends connected to the auxiliary drum, a third pulley suspended from the last mentioned cable, a lever connecting the third, pulley to the first mentioned pulleys, a link suspended from the third, pulleyand pivotally connected to the hook, and means for moving the other end of the third auxiliary cable toward and away from the carriage.

16. A crane trolley comprising a carriage, an electric motor actuated main drum mounted on the carriage, main cableswound on said drum, each cable having one of its ends connected to the drum and its other end con- 7 nected to the carriage, a hoisting element suslink suspended from said pulleys, a tilting away fromtheicarriage, the last mentioned means including an electric motor actuated 7 element mounted. on the carriage. v

vIn testimony whereof, I have signed this specification. I

i OISSIAN HIVELY,

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