US675811A - Equipment of electric cranes. - Google Patents

Equipment of electric cranes. Download PDF

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Publication number
US675811A
US675811A US3169300A US1900031693A US675811A US 675811 A US675811 A US 675811A US 3169300 A US3169300 A US 3169300A US 1900031693 A US1900031693 A US 1900031693A US 675811 A US675811 A US 675811A
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cranes
crane
vessel
equipment
deck
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US3169300A
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Henry Burrell
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/18Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
    • B66C23/36Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
    • B66C23/52Floating cranes

Definitions

  • Nonms PE r915 co. wrap'ro-urno, swam o. c,
  • My present invention relates to improvements in cranes adapted to be used upon shipboard to facilitate the transferring of cargoes and the like and in the manner of mounting said cranes upon a vessel whereby greatest strength is given to the structure of the vessel, and yet the said cranes will occupy the most advantageous positions.
  • Figure I represents a central longitudinal section through a vessel equipped with my improved apparatus or equipment.
  • Fig. II is a plan of the same.
  • Fig. III is a detail diagrammatical view showing the arcs through which said cranes swing.
  • Fig. IV is a side elevational view showing the method of mounting the cranes upon the vessel.
  • Fig. IV is a detail plan view showing the craneoperating mechanism.
  • Fig.V is a side elevation of a crane, showing the position of the jib upon the deck when not in service.
  • Fig. VI is a plan view of the same.
  • Fig.VII is a transverse section through a vessel, showing the operation of the cranes.
  • Fig.VII is a transverse section through a vessel, showing the operation of the cranes.
  • Fig. IX is a plan view of the same.
  • Fig. X is a diagran1- matic view showing the operation of the cranes in transferring cargoes while at sea.
  • Fig. XI is a similar view showing the means adapted for coaling war-ships while at sea, and
  • Fig. XII is a transverse section thereof.
  • A represents the main deck of a vessel upon which my said improvements have been applied, and A is the lower deck of the same.
  • FIG. 13 represents the trunk running longitudinally of the vessel and above the center of the main deck A, this trunk B having an upper deck formed upon the top thereof.
  • this trunk B having an upper deck formed upon the top thereof.
  • hatches O At suitable places along the upper deck are provided hatches O, and these hatches are provided with communication with the hold of the ves sel.
  • a number of cranes EC Upon each edge of this upper deck are located a number of cranes EC, said cranes being so disposed that each crane is adapted to operate from two of said hatches in loading or unloading cargo from said vessel.
  • L represents a hollow casing, preferably metallic, mounted between the main deck A and upper deck.
  • This casing isshown as being square in cross-section, though it is obvious that any desired shape may be adopted.
  • Passing through the casing L is the crane pillar or post CP, which is also hollow, its upper end terminating in the ventilator-top VT, having its sides open.
  • This crane-post is supported upon the upper deck by the bearing BT and beneath the main deck by the lower bearing BT
  • These bearings may be ball, roller, or any desirable type of bearing. This method of mounting the cranes tends to distribute the strain due to the weight of the jib and also to lower the center of gravity of the crane.
  • a pair of sheaves or pulleys LS P is a plattorm carried by the crane-pillar above the upper deck, upon which an operator may stand in operating the crane.
  • GM represents controlling means mounted upon said platform, by means of which the operation of the crane is controlled.
  • HM represents the hoisting-motor, geared to the hoisting-drum, said motor being electrically connected to the controlling 5 mechanism OM.
  • J is the jib of the crane, which is pivotally supported upon the crane-pillar OP at a point directly above the bearing BT and approximately upon a level with the upper deck.
  • the tension-rod TR Secured to the outer end of this jib is the tension-rod TR, connected to the pulley RS, over which the derricking rope or cable passes.
  • DM represents the motor for operating the derricking mechanism, the derricking being effected by winding and unwinding this rope passing over the pulley RS.
  • this mechanism comprises the wormpinion ⁇ VX, gearing with the worm or spur wheel ⁇ VIV, which latter meshes with an internal gearing upon the spurwheel SlV.
  • the motor SM As the worm-wheel ⁇ VW' is rotated by the motor SM the same travels around the spur-wheel S ⁇ V, which latter being held stationary reacts to turn the' crane.
  • This casing MO is a casing inclosiug the motors and gearing, secured to the under side of the main deck A, the said motor and gearing being allowed to rotate therein.
  • This casing MO is preferably formed in two halves and secured together upon each side of the bulkhead BII.
  • the lower end of the crane pillar or post is left open to allow air circulation between the space between decks and the outerair through the ventilator VT.
  • II represents the cargo-ports in the side of the steamer, through which coal and similar cargoes may be loaded.
  • Z represents a hook or 0t her suitable means for handling the load.
  • Fig. VII I have shown a section through a vessel, illustrating how the cranes are operated in loading or unloading to or from a wharf or quay or a railway alongside the vessel.
  • one of the cranes is shown provided with a device GB, provided with teeth adapted to grip the load.
  • the crane in dotted lines is shown having the bucket BK supported from its hook, it being obvious that these holders or receptacles are changed according to the material to be handled.
  • the crane upon the opposite side of the vessel is shown with the basket BK thereof occupying the position of loading to the port II. This crane may be employed when loading from or unloading to a vessel or barge lying alongside.
  • the vessel is on a voyage or when the cranes are not in use, they may be stripped and swung around with their jibs resting horizontally upon said upper deck, as shown in Figs. V and VI.
  • a ladder Y leading from the upper deck to the motor-chamber MC, providing a means of access to the machinery for the purposes of oiling, inspecting, and other purposes, a casing Y inclosing said ladder between the main and upper decks.
  • Fig. VIII I have indicated the arcs through which the erane-jibs swing in loading and unloading from the hatches.
  • One of these cranes is shown in solid lines .1 raising coal from the bunker K through the hatchway C and in dotted lines J lowering the coal into the chute K through the hatchway C communicating with the boiler-furnaces, thereby avoiding the necessity of transferring the coal by hand, as is now the practice.
  • Figs. X, XI, and XII show how the cranes are employed in transferring coal from a coaling vessel to other vessels while at sea, said ships lying alongside.
  • Fig. X are shown vessels of the ordinary type of merchant steamer having the central hatches C and the coaling-hatches (III. It is possible to coal four vessels simultaneously in this manner.
  • Figs. XI and XII show two warships being coaled. In this case are shown a cruiser upon one sideand a battleship upon the other, both being anchored or spaced at a considerable distance clear of the coalingship.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)
  • Ship Loading And Unloading (AREA)

Description

No. 675,8". Patented lune 4, l90l. H. BUBRELL.
EQUIPMENT 0F ELECTRIC CRANES.
, woo.
) 5 Sheets-Shoot I.
(Application filed Oct. 1
(No Model.)
Inventor;
nu: malls arena 00 PnoTo-uYno, wnuwcnom u c No. 675,8. Patented lune 4, "JUL H. BURRELL.
EQUIPMENT 0F ELECTRIC GRANES.
(Application filed Oct. 1, 1900.) (No Model.) 5 Sheets-Shoot 2.
we uomus mm; on, mwaurno wsmnawu, n c
H. BUBRELL.
Patented lune 4, I90I.
EQUIPMENT 0F ELECTRIC CBANES.
(Application filed Oct. 1, 1900.) (No Model.)
Witness es m 4752mm 5 Sheath-Sheet 3.
Irwenibr: @M
Nonms PE r915 co. wrap'ro-urno, swam o. c,
No. 675,8". Patented June 4, I90I. l-l. BURRELL.
EQUIPMENT 0F ELECTRIC CRANES.
(Application fllad Oct. 1, 1900.) (No Model.) 5 Sheets-Shoat 5.
UNITED STATES PATENT OFFICE.
HENRY BURRELL, OF GLASGO\V, SCOTLAND.
EQUIPMENT OF ELECTRIC CRANES.
SPECIFICATION forming part of Letters Patent N 0. 675,81 1, dated June 4, 1901.
Application filed October 1, 1900. Serial No. 31.693. (No model.)
To all whom 2325 may concern:
Be it known that I, HENRY BURRELL,Sl1ipowner, a subject of the Queen of the United Kingdom, and a resident of 4 Devonshire Gardens, in the city of Glasgow, Scotland, have invented an Improvement in Equipment of Electric Cranes, of which the following is a specification.
My present invention relates to improvements in cranes adapted to be used upon shipboard to facilitate the transferring of cargoes and the like and in the manner of mounting said cranes upon a vessel whereby greatest strength is given to the structure of the vessel, and yet the said cranes will occupy the most advantageous positions.
In order to more fully explain my said invention, reference will be had to the accompanying drawings, wherein Figure I represents a central longitudinal section through a vessel equipped with my improved apparatus or equipment. Fig. II is a plan of the same. Fig. III is a detail diagrammatical view showing the arcs through which said cranes swing. Fig. IV is a side elevational view showing the method of mounting the cranes upon the vessel. Fig. IV is a detail plan view showing the craneoperating mechanism. Fig.V is a side elevation of a crane, showing the position of the jib upon the deck when not in service. Fig. VI is a plan view of the same. Fig.VII is a transverse section through a vessel, showing the operation of the cranes. Fig. VIII is a partial section taken longitudinally through a vessel, showing the operation of the cranes from the hatches and bunkers. Fig. IX is a plan view of the same. Fig. X is a diagran1- matic view showing the operation of the cranes in transferring cargoes while at sea. Fig. XI is a similar view showing the means adapted for coaling war-ships while at sea, and Fig. XII is a transverse section thereof.
In the accompanying drawings similar parts are indicated by the same letters of reference.
A represents the main deck of a vessel upon which my said improvements have been applied, and A is the lower deck of the same.
13 represents the trunk running longitudinally of the vessel and above the center of the main deck A, this trunk B having an upper deck formed upon the top thereof. At suitable places along the upper deck are provided hatches O, and these hatches are provided with communication with the hold of the ves sel. Upon each edge of this upper deck are located a number of cranes EC, said cranes being so disposed that each crane is adapted to operate from two of said hatches in loading or unloading cargo from said vessel.
L represents a hollow casing, preferably metallic, mounted between the main deck A and upper deck. This casingisshown as being square in cross-section, though it is obvious that any desired shape may be adopted. Passing through the casing L is the crane pillar or post CP, which is also hollow, its upper end terminating in the ventilator-top VT, having its sides open. This crane-post is supported upon the upper deck by the bearing BT and beneath the main deck by the lower bearing BT These bearings may be ball, roller, or any desirable type of bearing. This method of mounting the cranes tends to distribute the strain due to the weight of the jib and also to lower the center of gravity of the crane. Mounted in the top of the crane-pillar GP are a pair of sheaves or pulleys LS P is a plattorm carried by the crane-pillar above the upper deck, upon which an operator may stand in operating the crane. GM represents controlling means mounted upon said platform, by means of which the operation of the crane is controlled.
Upon the lowerend of the crane-pillar and adapted to rotate therewith are carried the motor-operated means for hoisting, derricking, and sluing the crane. While I have shown a particular form of mechanism, it is of courseobvious that any suitable form of mechanism may be substituted, if desired.
As shown, HM represents the hoisting-motor, geared to the hoisting-drum, said motor being electrically connected to the controlling 5 mechanism OM.
J is the jib of the crane, which is pivotally supported upon the crane-pillar OP at a point directly above the bearing BT and approximately upon a level with the upper deck. loo Secured to the outer end of this jib is the tension-rod TR, connected to the pulley RS, over which the derricking rope or cable passes.
DM represents the motor for operating the derricking mechanism, the derricking being effected by winding and unwinding this rope passing over the pulley RS.
SM represents the motor for operating the slning mechanism. As shownin the drawings, this mechanism comprises the wormpinion \VX, gearing with the worm or spur wheel \VIV, which latter meshes with an internal gearing upon the spurwheel SlV. As the worm-wheel \VW' is rotated by the motor SM the same travels around the spur-wheel S\V, which latter being held stationary reacts to turn the' crane.
MO is a casing inclosiug the motors and gearing, secured to the under side of the main deck A, the said motor and gearing being allowed to rotate therein. This casing MO is preferably formed in two halves and secured together upon each side of the bulkhead BII.
The lower end of the crane pillar or post is left open to allow air circulation between the space between decks and the outerair through the ventilator VT.
II represents the cargo-ports in the side of the steamer, through which coal and similar cargoes may be loaded.
Z represents a hook or 0t her suitable means for handling the load.
In Fig. VII, I have shown a section through a vessel, illustrating how the cranes are operated in loading or unloading to or from a wharf or quay or a railway alongside the vessel. In this view one of the cranes is shown provided with a device GB, provided with teeth adapted to grip the load. The crane in dotted lines is shown having the bucket BK supported from its hook, it being obvious that these holders or receptacles are changed according to the material to be handled. The crane upon the opposite side of the vessel is shown with the basket BK thereof occupying the position of loading to the port II. This crane may be employed when loading from or unloading to a vessel or barge lying alongside.
\Vhen the vessel is on a voyage or when the cranes are not in use, they may be stripped and swung around with their jibs resting horizontally upon said upper deck, as shown in Figs. V and VI. In these views is also shown a ladder Y, leading from the upper deck to the motor-chamber MC, providing a means of access to the machinery for the purposes of oiling, inspecting, and other purposes, a casing Y inclosing said ladder between the main and upper decks.
In Fig. VIII, I have indicated the arcs through which the erane-jibs swing in loading and unloading from the hatches. One of these cranes is shown in solid lines .1 raising coal from the bunker K through the hatchway C and in dotted lines J lowering the coal into the chute K through the hatchway C communicating with the boiler-furnaces, thereby avoiding the necessity of transferring the coal by hand, as is now the practice.
Figs. X, XI, and XII show how the cranes are employed in transferring coal from a coaling vessel to other vessels while at sea, said ships lying alongside. In Fig. X are shown vessels of the ordinary type of merchant steamer having the central hatches C and the coaling-hatches (III. It is possible to coal four vessels simultaneously in this manner. Figs. XI and XII show two warships being coaled. In this case are shown a cruiser upon one sideand a battleship upon the other, both being anchored or spaced at a considerable distance clear of the coalingship.
It is obvious that although I have shown one particular form of crane and operating mechanism as applied to one particular form of vessel these details are not claimed in the present application, and these may be varied as desired. Therefore these features have been indicated only. It is also obvious that many advantages will be secured through the use of my said invention and that the same may be used for a variety of purposes.
Having thus described my said invention, what I claim, and desire to secure by Letters Patent of the United States, is-
1. In an equipment of the character described, the combination with the upper and main decksjof avessel; of a crane post or upright passing through said upper and main decks, a jib adapted to swing from said upper deck, controlling means carried by said crane, and mechanism connected to said controlling means carried by the lower end of said crane-post for operating said crane, sub stantially as described.
2. In an equipment of the character described, the combination with the upper and main decks of a vessel; of a crane post or upright passing through and supported by said upper and main decks, a jib adapted to swing from said upper deck, and means carried by said crane for electrically operating the same, substantially as described.
3. In an equipment of the character described, the eombination with the upper and main decks of a vessel; of a crane post or pillar passing through said decks, a jib adapted to swing from said upper deck, means carried by said crane-pillar for controlling the crane, and mechanism carried upon said crane-pillar and connected to said controlling means for electrically operating said crane, substantially as described.
t. In an equipment of the character described, the combination with the upper and main decks of a vessel; of a crane mounted upon said vessel, having its crane post or pillar passing through said upper and main decks, a jib adapted to swing from said up per deck, controlling means carried by said cranes, above said upper deck, and electric motors connected to said controlling means for operating said cranes, substantially as described.
5. In an equipment of the character described, the combination with the upper and main decks, and a plurality of hatches carried by said upper deck; of a plurality of cranes mounted upon said Vessel, the crane posts or pillars of said cranes passing through said upper and main decks, each of said cranes being so disposed as to be adapted to operate from two of said hatches, controlling means carried by said cranes, and means also carried by said cranes and connected to said controlling means for operating said cranes, substantially as described.
6. In an apparatus adapted to be applied to a vessel for facilitating the transfer of cargo of a Vessel, the combination with the upper and main decks of a vessel, and a plurality of hatches provided upon said upper deck; of a plurality of cranes mounted upon said Vessel, a jib adapted to swing from each of said cranes, above the upper deck, and to operate upon two of said hatchways, means carried by said cranes for controlling the same, mechanism carried by the lower end of said cranes below said main deck and connected to said controlling means for operating said cranes, substantially as described.
HENRY BURRELL.
\Vitnesses:
JASPER RICHARDSON, I. J. DAwsoN.
US3169300A 1900-10-01 1900-10-01 Equipment of electric cranes. Expired - Lifetime US675811A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3342348A (en) * 1964-09-29 1967-09-19 Bergens Mek Verksted Jib arrangements for ships
US20180079631A1 (en) * 2015-03-27 2018-03-22 National Oilwell Varco Norway As Offshore Lifting Crane

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3342348A (en) * 1964-09-29 1967-09-19 Bergens Mek Verksted Jib arrangements for ships
US20180079631A1 (en) * 2015-03-27 2018-03-22 National Oilwell Varco Norway As Offshore Lifting Crane
US10611610B2 (en) * 2015-03-27 2020-04-07 National Oilwell Varco Norway As Offshore lifting crane

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