US1382614A - Hoisting and conveying machinery - Google Patents

Description

u o srme AND. CONVEYING MACHINERY. v APPL'ICATI0N flLED MAY 24, I918. 1 3.82 Patented June 28, 1921.

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. Patented June 28, 1921.

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HOISTING AND CONVEYING MACHINERY.

APPLICAT ION FILED MAY 24, 1918.

1,382,614. PatentedJuheZS, 1921.

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HOISTING AND CONVEYING MACHINERY.

I APPLICATION FILED MAY 24. I918.

1,382,614. Patented June 28, 1921.

4 SHEETSSHEET 4;

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UNITED STATES PATENT OFFICE.

I CHRISTIAAN W. AVELING, OF ELGIN', ILLINOIS.

HOISTING-AN D CONVEYING MACHINERY.

To aZZ whom it may concern:

Be it known that LCHRISTIAAN W. Aver.- ING, a citizen of the United States, residing at Elgin, in the county of Kane and State of Illinois, have invented new and useful Improvements in Hoisting and Conveying Machinery, of which the following is a full, clear, concise, and exact description, reference bein had to the accompanying drawin forming a part of this specification.

' y invention relates to hoisting and conveying machinery. In its more specific aspect, it relates to electric traveling cranes.

One of the objects of my invention is to I provide an improved type of hoist which will cut down the number of parts required. Another object of my invention is to provide an improved traveling crane in which the bridge which carries the trolley tracks is mounted on a motor-driven dirigible carriage. Another object of my invention is to provide an improved traveling crane which will facilitate and accelerate the transferring of coal from railroad cars or other long-haul conveyances to trucks, so as to release the cars or other conveyances as quickly as possible, in order to relieve the car-shortage.

In order to give a general idea of the construction, it is here stated that the traveling crane here shown comprises a trolley on which the hoisting drums and hoist-motors are mounted, a bridge on which are mounted tracks for the trolley to travel on, and a dirigible motor-driven carriage on which the bridge is mounted, the carriage being constructed to travel on the pavement and being provided with a motor drive and a manually-operable steering mechanism, and being so constructed that the legs in which the wheels are mounted can straddle a truck, and so that the trolley which supports the hoisting mechanism can be brought into position over the truck.

A traveling crane thus constructed avoids the necessity of laying tracks for'the carriage which supports the bridge and enables the crane to be used in locations 1n which it would be impossible or impracticable to use a crane in which the carriage supporting the bridge wasmounted to travel on tracks.

In order to give a general idea of the hoisting mechanism, it is here stated that this comprises two winding drums and two hoist motors, one for each drum, each wind- Specification of Letters Patent. P t t d Jun e 28, 1921 Application filed May 24,

1918. Serial Ito/236,302.

ing drum being rotatably mounted on a shaft'which forms part of the transmission between the other winding drum and its motor.

Inthe drawings, in which one embodiment of my invention is shown Figure 1 is a side elevation of a traveling crane illustrating my invention;

Fig. 2 is an end elevation of the crane shown in Fig.1;

Fig. 3 is a fragmentary sectional View on the line 33 of Fig. 2, showing part of the steering mechanism;

Fig. 4 is a fragmentary sectional view on the line 4.4: of Fig. 2, showing another part of the steering mechanism;

Fig. 5 is a vertical sectional view on the line 5-5 of Fig. 2, showing part of the steering mechanism;

Fig. 6 is a plan View of the being shown in section;

Fig. 7 is a side elevation of the trolley;

Fig. 8 is an end elevation of the trolley; Fig. 9 is a somewhat diagrammatic View showing a traveling crane embodying my trolley, parts invention used in connection with an end-- less-belt conveyer; and

Fig. 10 is a section. substantially on the line 1010 of Fig. 9.

Referring now to the drawings in detail, the traveling crane is shown in connection with a railway-car 10 from which material is to be removed and placed in a truck 11.

The crane comprises a carriage 12 which can straddle the truck 11, a bridge 13 supported by the carriage 12 and extending over both the railway-car 10 and the truck 11, and a trolley 14; traveling on tracks 15 supported by the bridge 13 and movable from a position in which it is above the car 10 to a position above the truck 11.

The carriage 12 is provided with a motor 16, by means of which the carriage can be propelled from place to place, and with a steering wheel 17, by means of which the operator can direct the movement of the carriage as it is propelled by the motor 16.

The trolley 14: is provided with a selfopening bucket 171, which receives the material in the car 10 and which can be moved over above the truck 11 and allowed to discharge the material into the truck.

For directing the material discharge from the bucket 171 into the truck 11, a pair of chutes 18 are provided, supported by the carriage 12, these chutes being inclined in position to direct the material into the truck 11. V

The carriage 12 may be formed mainly of structural steel and comprises, in a general way, four vertical legs 19, one at each corner of the carriage, these legs being connected together and braced by suitable structural framework (indicated at 20).

Each of the legs 19 has secured at its lower end a bearing in which one of the carriage wheels is mounted. Two of the wheels 21 are used as drive wheels, and the other two wheels 22 are used as steering wheels.

The drive-wheels 21, which are mounted in the bearing brackets 23, are driven from the motor 16 through the motor pinion 24,

.the differential car 25 meshing with the pinion 24, the sha ting 26 driven fromthe dif;

ferential gear 25, the bevel-gears 27 secured on the shafting 26, the bevel-gears 28 meshing with the bevel-gears 27, respectively, the shaft 29 on which the bevel-gears 28 are mounted, the bevel-gears 30 secured on the shaft 29, respectively, and the bevelgears 31 meshing with the bevel-gears 30 respectively and secured on the shaft 32 to which the drive wheels 21 are secured.

there will be a clearance between the rails 15 for the passage of the hoisting cables 491 in their movement with the trolley, the side girders 50 of the bridge are supported by trussed cantaliver beams 51, which are supported by the legs 19 and. extend inwardly underneath the girders 50, terminating just beyond the girders, so that clearance is provided between the opposing ends of these cantaliver beams for the cables-491 in their movement. 7 a

The trolley which supports the hoisting mechanism comprises: the two cast trolley sides 52, 53, the drive-wheels 54 which run on the tracks 15 and are secured to the shaft 55, the trolley travel motor '56 which drives the drive-wheels 54, the supporting wheels 57 secured on the shaft 58, which is mounted in suitable bearings 59 on the trolley sides, the hoisting drum 60, the motor 61 for the holding drum 60, the lacing drum 62, the motor 63 for driving the drum 62, and the transmission mechanism between the motors 61 and 63 and the respective drums driven by them.

The transmission between the motor 61 i and the drum comprises the motor pin- Each steering wheel 22 is swiveled in a ion 64, the gear meshing with the pinion bearing 33 secured at the bottom of the leg 19. This swivel mounting is shown in detail in Figs. 4 and 5.

The steering wheel 22 is rotatably mounted on a swinging shaft 34, one end of which shaft is pivoted on a pin 35 secured to the bearing 33, and the other end of which pin is slidably mounted in guide-ways 36 formed on the bearing member 33.

The swinging shaft 34 is provided with a segmentary worm gear 37, which meshes with a worm 38 mounted in bearings formed in the bearing-bracket 33. This worm 38 and worm-gear segment 37 are actuated from the steering wheel 17 through the shaft 39 to which the hand-wheel 17 is secured, a bevel-gear 40 (Fig. 5) secured to the shaft 39, bevel-gear 41 meshing with the bevelgear 40, the shaft 42 to which the bevelgear 41 is secured, a bevel-gear 43 secured to the shaft 42, a bevel-gear 44 meshing with the gear 43, a shaft 45 to which the bevelgear 44 is secured, a bevel-gear 46 secured to the shaft 45, a bevel-gear 47 meshing with the bevel-gear 46, and the shaft 48 to which the bevel-gear 47 is secured and to which the worm 38 also is secured.

The transmission to both of the steering wheels 22 from the manually-operable wheel 17 is the same, so that the turning of the hand-wheel 17 will operate to turn both of the wheels 22 in the same direction.

A suitable platform 49 may be provided for the operator to stand on to direct the movement of the carriage 12.

' In order to support the bridge 13 so that l 64, the shaft 66 to. which the gear 65 is secured, the pinion 67 secured to the shaft 66, and the gear 68 meshing withthe pinion .67 and secured to the drum 60 by means of -bolts 69. V V g ii Similarly, the transmission between the motor 63 and the drum 62 comprises'the motor pinion 70, the gear 71 meshing with the pinion 70, the shaft 72 to which the gear 71 is secured, the pinion7 3 secured to the shaft 72, and the gear 74 meshing with the pinion 73 and secured to the drum 62 by means of the bolts 75. f

The drum 60 and the gear 68 secured to said drum are both rotatable on the'shaft 72, which forms part of the transmission between the motor 63 and the drum 62, and the drum 62 and gear 74 secured theretoare both rotatably mounted on the shaft 66, which shaft forms part of the transmission between themotor 61' and the drum 60.

The shafts 66 and 72 are mounted in suitable bearings 76 on the trolley sides 52 and 53.

The shafts 55 and 58 and the transmission shafts 66 and 72 constitute thesole connection between the-two trolley sides. In order to give rigidity to this construction, each of the trolley sides is provided with a bearing 77 extending downwardly from the bracket 78, which is formed integral with each trolley side, as shown in Fig. 8, to support the motor 56. H i

The trolley side 52 thus has three points of support with respect to the shaft 58, the V3 7 two bearings on opposite sides of the wheels,

57, and the bearing 77, which is spaced a considerable distance from the bearings 78 adjacent the wheels, so that the shaft 58 is firmly held at right-angles to the direction in which the trolley side 52 extends. Similarly, the shaft 55 is firmly held at rightangles to the direction in which the trolley side 53 extends.

By this construction I am enabled to dispense with the usual machinery girt which extends between the two trolley sides to hold them firmly in position with respect to each other. As the wheels 54; and 57 are firmly secured to their respective shafts, they maintain the trolley sides 52 and 53 in their proper spaced relation.

The bucket 171, which is supported by the cables 191, is made in two parts, 79 and 80, which parts can be closed together to form a bucket for holding material, or which can be caused to separate, as shown in Fig. 2, to discharge the material in the bucket. The bucket is so constructed that when both of the cables 191 are used to support the bucket, the bucket will be held in closed position, but so that when only the cable which is secured to the drum 60 is supporting the bucket and the other cable is slack, the weight of the material in the bucket will cause the two halves 79 and 80 to separate to permit the material in the bucket to escape.

Buckets of this type are old in the art and no detailed description is necessary.

A brake 81, which may be of any usual or suitable type, is provided for the transmission shaft 66 which drives the drum-60. Magnetic brakes 82 and 83, which may be of any usual or suitable type, are provided for the motors 61 and 63, respectively,-in order that these motors may be brought quickly to a stop when the current is turned off.

The operation of the hoisting mechanism and conveying machinery described above is as follows: To move the carriage into the desired position, the motor 16 is put in operation to drive the wheels 21, which support one end of the carriage 12, and the steering wheel 17 is operated to guide the carriage to the desired position. The trolley travel motor 56 is then put in operation to move the trolley 14 to the desired position above the car 10, and the motors 61 and 63 are then operated to lower the bucket 17 into position to be filled.

After the bucket 17 has been filled, the motors 61 and 63 are put in operation to raise the bucket, and the trolley travel motor 56 is put in operation to move the bucket above the truck 11. The cable from the lacing drum is then slacked and the mate- In some cases it may be desirable to pro- I vide an endless-belt conveyer to receive the materialfrom the chutes 18. Such a construction is shown in Figs. 9 and 10.

The'material is dumped from the bucket 171 into a chute 84, which delivers the material onto an endless-belt conveyer 85 of any usual or suitable type. This endless belt conveyer 85 works on suitable rollers 86, which are supported on an elongated frame 87, said frame 87 being mounted for universal movement so that it can be swung up or down or to the right or left. The manner in which this swinging frame is mounted is shown in Fig. 10.

The side members 88 of the frame 87 are pivotally mounted on spindles 89 secured to a swiveled sup-port 90, the support 90 being swiveled on'a pin 91 secured to the framework 20. The frame 87 may be supported by either a tie-rod or a cable, indicated at 92, or by means of a supporting frame 93. By means of this construction coal may be taken from the car and distributed over a considerable range without moving the carriage 12.

Current may be supplied to the motors in any suitable manner, asby flexible conductors having one end connected to any suitable source of supply, and the other end detachably connected to a receptacle 94 carried by the bridge 13.

I claim as new and desire to secure by Letters Patent of the United States:

A traveling crane comprising a motor driven carriage, an overhead bridge carried by said carriage, and extending transversely to the normal line of travel of said carriage, a hoist-trolley traveling on said bridge, a grab-bucket supported by said hoist-trolley and raised and lowered thereby, and moved along the bridge thereby and an endlessbelt conveyer carried by said carriage, and mounted to swing about a vertical axis, to

which said grab-bucket delivers the material.

In wltness whereof, I have hereunto subscrlbed my name.

CHRISTIAAN W. AV-ELING.

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