Spars and derricks
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Spars and derricks. Capt. K. De Baere. Spars. Rondhouten Espars. Spars - definition. Metal construction (cylindrical or square) to support cargo handling gear, navigation lights, radio antennas, flags and sails etc.

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Spars and derricks

Spars and derricks

Capt. K. De Baere


Spars

Spars

  • Rondhouten

  • Espars


Spars definition

Spars - definition

  • Metal construction (cylindrical or square) to support cargo handling gear, navigation lights, radio antennas, flags and sails etc.

  • Samson posts (mâtereau) – light construction often used to support radar or radio antennas, deck lightening also used as ventilation shaft

  • Derrick posts (mât) – Heavier construction used to support the derricks

  • Derrick (mât de charge)


Older ship

Older ship


Rondhouten espars

Fokkemast – mât de misaine

Fokkesteng – mât de hune

Grote mast – grand mât

Grote steng – grand mât de hune

Laadpalen – mât ou mâtereau

Laadboom – mât de charge

Gaffel – corne de vergue

Vlaggestok – mât de pavillon

Guesstok – mât de pavillon d’étrave

Rondhouten - Espars


Staand tuig le gr ement dormant

Voorstag – l’étais de misaine

Voorstengstag –l’étais de petit mât de hune

Fokkewant – les manœuvres dormantes du mât de misaine

Voorstengpardoen – galhauban(s)

Grootstag – l’étais du grand mât

Grootsteng gestag – l’étais du petit mât de hune

Grootwant – les manœuvres dormantes du grand mât

Grootstengpardoen – galhauban

Achterstag – hauban

Knikstag

Schoorsteenstagen – les étais de la cheminée

Staand tuig – Le gréement dormant


Terminology i think we are lucky

Terminology ? – I think we are lucky


Lopend tuig le gr ement courant

Boomhangers – martinets

Antenne – l’antenne

Vlaggelijnen - drisses

Lopend tuig – le gréement courant


Idem dito

Idem dito !


Spars on a more modern coaster

Spars on a more modern coaster

  • Kraanmast – pedestal + slewing bearing + crane house

  • Radarmast and Christmastree

  • Vlaggestok - flagstaff

  • Geusstok – jack staff

  • Fokkemast – foremast

  • Kraanarmmik – jib support


Masts m t and samson m tereau posts

Masts (mât) and Samson (mâtereau) posts

  • On modern shipping very little standing rigging (gréement dormant) is used to keep the decks as free as possible

  • Masts on general cargo ships are a lot heavier than on passenger ships or tankers

  • Masts are self supporting and are passing through upper- and tweendecks


Parts of a modern mast passing through several decks

Parts of a modern mast – passing through several decks

Mastkloot

Pomme de mât

Steng

Le mât de hune

Zadel

Cross tree

Ondermast

Bas-mât


Parts of a modern mast

Parts of a modern mast

  • Cross tree also serves as crow’s nest (nid de pie)

  • Cross tree is used to fix the mast head span blocks (poulie de martinet)

  • On a certain height above deck derrick supports are provided (to make the derricks sea fast)

  • Mast, samson posts, derrick supports are often combined with ventilation shafts, deckhouses (des roufs) and entrances to the cargo holds (cales) beneath


Spars and derricks

  • Square mast – not supported

  • Samson posts (mâtereau)

  • Ventilation shaft (conduit de ventilation) also used as derrick support

  • Heavy lift derrick (boom) (grosse bigue)

  • Sea position of the derricks


Derrick definition

Derrick - definition

  • A derrick is a lifting device composed of one mast or pole which is hinged freely at the bottom. It is controlled by (usually 4) lines powered by some such means as man-hauling or motors, so that the pole can move in all 4 directions. A line runs up it and over its top with a hook on the end,

  • The device was named after Thomas Derrick, an Englishexecutioner (beul – bourreau) from the Elizabethan era because of its resemblance of the frame from which a hangman's noose (strop – corde) hangs.


Spars and derricks

F

  • Derrick

  • Heel fitting + gooseneck trunnion

  • Derrick head

  • Mast head span eye fitting

  • Mast head span block

  • Span rope

  • Monkey face

  • Span chain

  • Topping lift

  • Snatch block

  • (k-l-m-r) clew lines – Slewing guy

  • Cargo runner

  • Load hook


Spars and derricks

Derrick

Heel fitting + gooseneck trunnion

Derrick head

Mast head span eye fitting

Mast head span block

Topping lift – span rope

Monkey face

Span chain

Topping rope

Snatch block

(k-l-m-r) clew lines – Slewing guy

Cargo block

Heel lead block

Cargo runner

Load hook

Laadboom

Lummelpot met lummel

Nok van de boom

Hangeroog aan de mast

Hangerblok

Hanger

Walmplaat

Hangerketting

Boomtopper

Voetblok

(k-l-m-r) boomgeien

Cargo blok

Rammelblok

Laadreep

Laadhaak


Spars and derricks

Derrick

Heel fitting + gooesneck trunnion

Derrick head

Mast head span eye fitting

Mast head span block

Topping lift – span rope

Monkey face

Span chain

Topping rope

Snatch block

(k-l-m-r) clew lines – Slewing guy

Cargo block

Heel lead block

Cargo runner

Load hook

Mât ou corne de charge

Ferrement de pivot de pied de corne

Tête de corne

Support de poulie de retour

Poulie de retour ou poulie de martinet

Palan de suspente - martinet

Trèfle ou pallonier

Chaine d’apiquage

Cable d’apiquage

Poulie de retour

(k-l-m-r) pantoires de brassage

Poulie de levage

Poulie de retour

Cartahu – câble de levage

Crochet de levage


L gende de la figure

Mât de charge ou corne de charge

Crapaudine

Poulie de retour

Mâterau

Poulie de martinet

Martinet

Maille d’assemblage

Chaîne de martinet

Queue de martinet

Polie de retour

Palan de garde

Poulie de charge

Cartahu

Crochet de charge

Treuil de charge

Légende de la figure


Legende van de figuur

Laadboom

Lummel

Voetblok of rammelblok

Mast

Hangerblok

Hanger

Walmplaat

Hangerketting

Boomtopper

Voetblok

Boomgeien

Laadblok

Laadreep

Laadhaak

Laadlier

Legende van de figuur


Twin span derrick for heavy loads m t de charge deux palans d apiquage pour charges lourdes

Twin span derrick for heavy loads – Mât de charge à deux palans d’apiquage pour charges lourdes


Twin span derrick for heavy loads m t de charge deux palans d apiquage pour charges lourdes1

Twin span derrick for heavy loads – Mât de charge à deux palans d’apiquage pour charges lourdes

  • Portal mast, mât portique

  • Cross tree (or upper transverse beam), hunc (ou traverse supérieure). 

  • Mast head cargo lead block bearing bracket, support de marionnette de poulie de retour de levage en tête de mât.

  • Mast head span bearing bracket, support de marionnette d’apiquage en tête de mât.

  • Mast head span lead block bearing bracket, support de marionnette de poulie de retour d’apiquage en tête de mât.

  • King post, mâtereau support de bigue.

  • Heavy derrick boom, bigue.

  • Derrick head span fitting, ferrement d’attache des palans d’apiquage en tête dc bigue.

  • Derrick head cargo fitting, ferrement d’attache du palan de levage en tête de bigue.


Twin span derrick for heavy loads m t de charge deux palans d apiquage pour charges lourdes2

Twin span derrick for heavy loads – Mât de charge à deux palans d’apiquage pour charges lourdes

  • Derrick heel fitting, ferrement de pied de bigue.

  • Gooseneck trunnion, pivot dc pied dc bigue.

  • Cargo winch, treuil de levage (ou treuil de charge).

  • Cargo runner (or cargo rope, or hoisting rope, or lifting rope, or cargo fall), câble de levage, (ou câble de hissage, ou cartahu, ou garant de charge).

  • Mast head cargo lead block, poulie de retour de levage en tête de mât.

  • Cargo lead block trunnion, marionnette de poulie de retour de levage.

  • derrick head built in sheave, réa incorporé en tête de bigue

  • Shackles, manilles

  • upper cargo (purchase) block (or derrick head cargo (purchase) block), poulie haute de levage (ou moufle supérieure de levage (ou moufle) supérieure de levage)

  • Lower cargo block (or lower cargo purchase block), poulie basse de levage (ou moufle inférieure de levage).


Twin span derrick for heavy loads m t de charge deux palans d apiquage pour charges lourdes3

Twin span derrick for heavy loads – Mât de charge à deux palans d’apiquage pour charges lourdes

  • Becket, ringot.

  • Ramshorn hook, crochet double.

  • Cargo tackle, palan de levage.

  • Span winches (used also for slewing motions), treuils d’apiquage (utilisés également pour les mouvements de brassage).

  • Span ropes, câbles d’apiquage.

  • Mast head span lead block, poulie de retour d’apiquage en tête de mât

  • Span lead block trunnion, marionnette de poulie de retour d’apiquage.

  • Derrick head span (purchase) block (or lower span (purchase) block), poulie (ou moufle) d’apiquageen tête dc bigue (ou poulie basse d’apiquage, ou muoufle inférieure d’apiquage).

  • Span triangle plate. trèfle (ou palonnier) d’apiquage.

  • swivel, émerillon


Twin span derrick for heavy loads m t de charge deux palans d apiquage pour charges lourdes4

Twin span derrick for heavy loads – Mât de charge à deux palans d’apiquage pour charges lourdes

  • Span block trunnion, marionnette d’apiquage.

  • Double connecting fork, chape double de liason

  • Mast head span (purchase) block (or upper span (purchase) block), poulie (ou moufle) d’apiquage en tête de mât (ou poulie basse d’apiquage ou mofle supérieure d’apiquage ).

  • Span/slewing tackles, palans d’apiquage/brassage


Derricks details

Derricks - details

  • Derricks are constructed out of Mannesman tubes

  • Mannesman tubes have a larger diameter in the middle

  • The bending moment (contrainte de flexion)is the greatest in the middle


Spars and derricks

Derrick Heel Gooseneck FittingFerrement de pivot de pied de corneLummel (crapaudine), lummelpot en bevestiging rammelblok (poulie de retour)


Spars and derricks

Derrick Heel Gooseneck FittingFerrement de pivot de pied de corneLummel, lummelpot en bevestiging rammelblok (poulie de retour)


Derrick head

Derrick head

  • Mast head with provisions for the slewing guys (gardes – palans de brassage)

  • Mast head support

  • Span rope (to hold the derrick in a certain position)(câble dormant d’apiquage ou martinet)

  • Cargo block

  • Slewing guys (gardes – pantoires – palans de brassage))

  • Topping lift (to change the elevation of the derrick)(palan de suspente)


Span block fitting

Span block fitting

  • The hanger block (poulie de martinet) must be attached so it can follow the movements of the derrick


Running hanger topping lift

Running hanger – topping lift

  • Heavy steel wire

  • One end is attached at the mast head, the other end goes to the the topping winch

  • Saw tooth drum edge (bords dentés du tambour)

  • Blocking device (barre de bloquage avec poignée)

  • Topping lift (Queue d’apiquage -> cargo winch)

  • Span rope (martinet)


Topping lowering a derrick

Topping/lowering a derrick

  • Topping lift is fastened on f.i. on a cargo winch or topping winch

  • When topping (heaving) the blocking bar rattles the indents on the drum edge

  • When the correct elevation has been reached the blocking falls behind the indents

  • When slacking the topping lift the tension is transferred to the the span rope

  • If you want to lower the derrick the tension is transferred to the cargo winch by means of the topping lift. Hence the blocking bar can be lifted and the topping lift and span rope slacked


Cargo blocks and heel lead blocks

Cargo Blocks and Heel lead Blocks

  • Used to guide the cargo runner (cartahu)

  • SWL of the block = SWL on a single cargo runner

  • The point of suspension (point de soutien) of the block (poulie) will carry twice this weight


Cargo blocks and heel lead blocks1

Cargo Blocks and Heel lead Blocks


Lower cargo blocks poulie de levage inferieur and load hooks

Lower cargo blocks (poulie de levage inferieur) and load hooks

Safety hooks and variations


Cargo hooks crochet de leave 1 sheave r a

Cargo hooks (crochet de leave) – 1 sheave (réa)


Cargo hook 2 sheaves r a

Cargo hook – 2 sheaves (réa)


Different cargo hooks

Different Cargo hooks


Heavy duty models

Heavy Duty models


Velle derrick 1 man operation

Velle Derrick => 1 man operation

  • Derricks are provided with 2 double topping/slewing guys (gardes – palans de brassage)

  • Slewing guys: If one is slacked and the other one is heaved at the same time the derrick swings in the direction of the rope being shortened.

  • Both slewing guys are directed to the same slewing winch but are mounted in opposite directions

Topping winch Slewing Winch

Treuil d’apiquage Treuil de brassage

Same Sense Opposite sense


Velle derrick

Velle Derrick

  • Both other ends of the slewing/topping guys are directed to the topping winch but here they are mounted in the same sense. If the winch is operated both are turning in the same direction and the derrick is lowered or heaved up

  • Spreader = Traversin = dwarsbalk


Velle derrick1

Velle Derrick


Velle derricks

Velle Derricks

MV Advantage

  • 1 Stulcken derrick 150 MT

  • 4 Velle derricks 35MT


Velle derrick2

Velle Derrick


Velle derrick3

Velle Derrick


Hallen derrick

Hallen Derrick

Similar working principle to the Velle Patent.

No Spreader (traversin) – Function has been taken by the very typical construction at the top of the mast


Hallen derrick1

Hallen Derrick


Hallen derrick2

Hallen Derrick


Heavy lift derricks

Heavy lift derricks

  • Fully rigged heavy lift derrick in upright position (la grosse bigue avec gréement complet)


Heavy lift derrick stulcken patent

Heavy Lift DerrickStulcken Patent


Heavy lift derrick stulcken patent1

Heavy Lift DerrickStulcken Patent


Stulcken 105 ton

Stulcken 105 ton


Stulcken 150 ton

Stulcken 150 ton


Revolving cranes

Revolving Cranes

  • In revolving cranes, the entire topping moment (moment de suspente ou d’apiquage) that is working on the crane is transferred to the ship’s construction via the slewing bearing (roulement de rotation). This system, however, is not suitable for very large forces like the ones on heavy lift ships. Instead, derricks (mast cranes) are still used.

  • A feature of a mast crane is that the crane is built on a heavy, fixed mast. The jib is attached in two places to a slewing platform.


Revolving cranes1

Revolving Cranes

  • The pulley block and the fixed top blocks (poulie de retour – poulie du martinet) (hangerblok & rammelblok) are located in the top of the mast. The topof the mast is free to rotate relative to the mast foundation and rotates together with the jib (flèche). The derricks described here often have no crane cabin. The crane is remote­controlled by a control panel that either lies somewhere or is strapped onto the shoulders of an operator. The cranes depicted here are all driven electrically.


Mast cranes

Mast Cranes

  • The hook block (poulie de levage) is made so heavy that it slacks (larguer) itself. This is necessary, but requires a large weight because the runner (cartahu) is a very thick and therefore tough steel cable that does not slack easily.


2 mast cranes working a heavy piece of cargo in tandem

2 Mast Cranes Working A Heavy Piece Of Cargo in Tandem


Mast cranes1

Mast Cranes


Legend

Mast

Jib

Topping lift & running part of the hoisting rope

Hook Block

Cargo Hook

Hook of auxiliary hoist

Slewing bearing

Mast foundation

Hatch

Anti-heeling tanks

Top of the mast

Legend


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