EP3326959A1 - Hebeanordnung für einen in elemente unterteilter mast und verfahren zur montage, demontage und wartung eines mastes - Google Patents

Hebeanordnung für einen in elemente unterteilter mast und verfahren zur montage, demontage und wartung eines mastes Download PDF

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Publication number
EP3326959A1
EP3326959A1 EP16201081.3A EP16201081A EP3326959A1 EP 3326959 A1 EP3326959 A1 EP 3326959A1 EP 16201081 A EP16201081 A EP 16201081A EP 3326959 A1 EP3326959 A1 EP 3326959A1
Authority
EP
European Patent Office
Prior art keywords
mast
lifting device
elements
assembled
lifting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP16201081.3A
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English (en)
French (fr)
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EP3326959B1 (de
Inventor
Karl Martin Gustafsson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Martin Gustafsson Ingenjoersbyraa AB
Martin Gustafsson Ingenjorsbyra AB
Original Assignee
Martin Gustafsson Ingenjoersbyraa AB
Martin Gustafsson Ingenjorsbyra AB
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Filing date
Publication date
Application filed by Martin Gustafsson Ingenjoersbyraa AB, Martin Gustafsson Ingenjorsbyra AB filed Critical Martin Gustafsson Ingenjoersbyraa AB
Priority to EP16201081.3A priority Critical patent/EP3326959B1/de
Publication of EP3326959A1 publication Critical patent/EP3326959A1/de
Application granted granted Critical
Publication of EP3326959B1 publication Critical patent/EP3326959B1/de
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Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes 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
    • B66C23/18—Cranes 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
    • B66C23/26—Cranes 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 for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail
    • B66C23/28—Cranes 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 for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail constructed to operate at successively higher levels
    • B66C23/283—Cranes 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 for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail constructed to operate at successively higher levels with frameworks composed of assembled elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/34—Arrangements for erecting or lowering towers, masts, poles, chimney stacks, or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
    • B66B9/16—Mobile or transportable lifts specially adapted to be shifted from one part of a building or other structure to another part or to another building or structure
    • B66B9/187—Mobile or transportable lifts specially adapted to be shifted from one part of a building or other structure to another part or to another building or structure with a liftway specially adapted for temporary connection to a building or other structure

Definitions

  • the invention concerns a lifting arrangement to be applied to a mast.
  • the invention also concerns a mast divided into elements, and methods for assembling, dismantling and servicing of a mast.
  • Mast for wind measurements are erected in connection to locations for planned wind power stations. The results from the measurements will be the basis for a decision on establishment. They are also used to verify the performance of the wind power stations. In step with the power stations being built ever taller, the measurements must also be done at greater heights. Today, measurements are demanded for heights of 150 - 200 meters. When the measurements are finished, often after 1 - 2 years, the masts remain for verification of the performance of the wind power stations, or they are dismantled and moved to another location.
  • masts in the present height are almost without exception done with the help of a helicopter. Even though the masts are slim by construction, in order to not to disturb the air flow at the recording devices, the individual elements will be so heavy that a significant amount of lifts are required. The erection is dependent on good weather conditions with low and steady winds and good visibility. Equally favourable conditions are required during dismantling. During the use of the mast, servicing of the mast or the instruments that are attached to it may be necessary, and therefore, service staff must be able to climb the mast on a ladder attached to the mast.
  • a high mast can, according to this document, be considered to be a mast which is requiring guys to be securely erect in any weather. Generally, depending on the construction, such masts are higher than 100 meters.
  • US 3 354 599 discloses a method to bring a lifting arrangement up a mast. Also in this document, the lifting arrangement is using a steel rope to elevate people or materials up the mast.
  • US 6 357 549 discloses a method and a device to erect a tower and to do maintenance on the tower.
  • the document discloses a platform 10 that is surrounding a hollow tower 72 ( figure 5 , view from above).
  • the platform can climb up and down the tower and carry a load, such as a new tower element.
  • rows 62-67 that the device is not useful for buildings that comprise guys, such as high masts.
  • US 6 357 549 is only applicable to free-standing structures without guys (towers).
  • the lifting arrangement in US 6 357 549 is climbing a rail resting on the ground (see column 2, rows 40 - 42), which is making it relatively heavy and therefore also more expensive.
  • the solution is provided with a device in the form of a lifting arrangement for the assembly, dismantling or servicing of a mast divided into elements according to claim 1.
  • the lifting device in an assembled state extends from one side of the mast only and leaves the remaining sides of the mast free, the lifting device is able to carry new elements up the mast during its erection without being impeded by guys, which may protrude from the corners of the mast and other sides.
  • the mast elements are acting as a support as well as a carrier for the engagement member which the lifting device travelling thereupon is using. In this way, a separate carrying device, such as for instance the one that is used in US 6 357 549 , is avoided.
  • the solution is also provided with a mast and methods for assembling, dismantling and servicing of a mast according to claims 7, 8, 9 and 10. These have advantages corresponding to those for the lifting arrangement.
  • Fig. 1 discloses a mast element
  • a lifting arrangement for the assembly, dismantling or servicing of a mast 2 divided into elements 1 is provided, which mast can be provided with guys.
  • Fig. 1 discloses an example of such an element 1 for a mast.
  • the elements can be differently designed, but each element 1 comprises at least three, parallel, in use substantially vertical rods 3, which rods 3 mutually are fixed by a plurality of members in a truss construction 4 and together enclose a volume.
  • the elements typically have a height of a couple of metres.
  • the elements 1 are connected with each other in their longitudinal direction to form the mast 2, see for instance fig. 2 that discloses an early stage with two erected, with each other connected elements 1.
  • the lifting arrangement itself comprises an engagement member 5 in parts, which parts are arranged to be fixed to the mast elements in their longitudinal direction and are arranged to be aligned with each other, see for instance figure 2 , where two parts of an engagement member 5 of each mast element 1 are aligned with each other.
  • the lifting arrangement is further comprising a lifting device 6 with a platform 7 for the transport of objects along the mast, e.g. a new element 8 of the mast 2 that is going to be assembled to such elements 1 that are already assembled, see Fig. 4 .
  • the lifting device 6 To enable the lifting device 6 to travel along the mast, it comprises a driving mechanism 9 which can propel the lifting device 6 while engaging the engagement member 5 whereby the lifting device 6, in an assembled state, without interruption can travel along the mast 2 while the mast elements 1 are acting as a support as well as a carrier of the engagement member 5 and the lifting device 6 travelling thereupon with any load. Owing to that it is the mast elements 1 that are carrying the engagement member and the lifting device, the engagement member can be made relatively weak and weight is therefore saved in the construction.
  • the driving mechanism 9 is shown integrated in the lower part of the lifting device.
  • the engagement member 5 is providing two functions, namely guidance of the lifting device 6 and a structure in which the lifting device 6 can engage and along which it can climb.
  • the engagement member 5 can be provided in one and the same physical part, such as, for instance, a pinion rack.
  • the cogs are providing the structure into which the lifting device can engage and climb along, while the cross section of the rack, for instance circular, brings about, together with a corresponding surrounding mechanism of the lifting device, the necessary guidance.
  • the two functions of the engagement member can also be provided in two separate physical units, for instance tracks with rollers for the guidance and a separate pinion rack that is providing the structure along which the lifting device 6 can climb.
  • Different structures for the climbing can be used, for instance the already mentioned pinion rack or a threaded rod. If it is a pinion rack, there have to be members for the adjustment of two pinion racks that meet in order to account for tolerances in the mast elements.
  • the lifting device 6 is arranged to, in an assembled state engaging the engagement member 5, occupy one side of the mast 2 only and leave the remaining sides of the mast 2 free.
  • the other sides of the mast are thereby free to be attached to the guys, which enable building a high mast since such masts require staying in order to be securely erect in any weather.
  • the lifting device 6 can comprise a cage 10, arranged for the transport of people, see Figure 3 .
  • the cage 10 enables safe transport of people and can for instance accommodate a service engineer that is protected from falling from the cage and also from falling objects during assembly work and ice falling from the mast, for instance during servicing. This is especially important in connection to high masts where service staff are particularly vulnerable. It is also tiring to climb long stretches on a ladder in such masts. After a longer climbing stretch, often with materials and tools that have to be brought along, an installer or service person can be exhausted and thus be exposed to an increased risk of accident.
  • the lifting device 6 is only shown in its embodiment as a cage, but other variants are of course possible.
  • the cage 10 its roof constitutes the platform 7.
  • the lifting device 6 is formed such that it, in use and in the vicinity of an upper end of a mast element 1, on which it is climbing, has a position in which the platform 6 extends on a level with the upper end of the previously assembled mast element.
  • the lifting device 6 can further comprise a transfer device 11 arranged to transfer an object loaded on the platform, e.g. a mast element 8 ( Figure 4 ), generally in a horizontal direction from the platform to a position above a previously assembled mast element.
  • a transfer device 11 arranged to transfer an object loaded on the platform, e.g. a mast element 8 ( Figure 4 ), generally in a horizontal direction from the platform to a position above a previously assembled mast element.
  • a new mast element 8 that is being carried upwards does consequently not have to be lifted from the platform over to its space on top of the mast, but can substantially just be pushed sideways to come to be placed on top of the previous element.
  • the lifting device When the mast element, that is to be assembled, has been pushed sideways and is located above the mast to which it will be connected, the lifting device can be lowered somewhat until the element makes contact with the mast.
  • the lifting device does not have to be equipped with a separate device, for instance a hoisting crane, in order to transfer a new mast element from the platform to its location in the mast.
  • a variant of the transfer device 11 is shown. It comprises two pairs of two parallel rods 12, each in one end articulatedly attached to a stiff member 13 and each in its other end articulatedly attached in relation to the lifting device 6. Each pair is located on the side of the mast element that is to be transferred. Further, this transfer device 11 comprises a linear drive unit 14 connected between the parallel rods 12. Due to this construction, a load can be attached in the stiff member 13 and by activation of the linear drive unit 14, the transfer device 11 can be brought to lift the load somewhat in a vertical direction during simultaneous transfer in a horizontal direction.
  • the linear drive unit 14 can for instance be a hydraulic cylinder or a ball screw.
  • this embodiment of the transfer device 11 constitutes a more simple, safer and more robust construction compared to a hoisting crane.
  • Another variant of the transfer device can comprise a member that is arranged to expand telescopically in a horizontal direction to bring about a horizontal transfer of an object loaded on the platform, e.g. a mast element, from the platform to a position above a previously assembled mast element.
  • a member that is arranged to expand telescopically in a horizontal direction to bring about a horizontal transfer of an object loaded on the platform, e.g. a mast element, from the platform to a position above a previously assembled mast element.
  • the transfer device can be equipped with members that grasp the mast, in the version of the mast element that is shown, for instance in the cross, 1 ⁇ 4 of the height of the element from above. The transfer device is then naturally made lower in order to fit. In view of a telescopic transfer device, one can for instance get hold of the frame legs 3 close to the lower part of the element. The holding movement can be activated from the cage or via a remote control in the same way as the other transfers.
  • the driving mechanism 9 of the mast also suitably comprises a motor and an energy source belonging to it.
  • An embodiment of said motor and driving source for autonomous drive comprises an electric motor with regenerative capacity and the energy source an electric battery. In this way, the potential energy of the lifting device can be recovered on its way down and be stored in the battery.
  • the regenerative capacity of the motor can arise from the windings of the motor as such or from a separate part with its own windings solely intended for the regeneration of electric energy.
  • Another alternative is to quick charge the battery when the lifting device has returned to ground position and while the next mast element is being loaded (when assembling the mast). That, however, requires access to an electric grid or electric generator.
  • the driving mechanism can constitute a combination of an electric motor with a battery and a combustion engine with a fuel tank and thereby constitute a hybrid drive.
  • the electric motor is arranged to be driven by the battery and the combustion engine is arranged to drive the electric motor in a regenerative mode in order to charge the battery.
  • An advantage with this arrangement is that the size and cost of the battery can be reduced while at the same time keeping the regenerative drive.
  • the lifting arrangement does not have to remain attached to a mast but can be moved to another location if it is not considered to be needed for servicing. Should one want to dismantle the mast, the lifting arrangement could be put back on.
  • such a mast comprises a plurality of elements 1 which comprise at least three, parallel, in use substantially vertical rods 3, which rods 3 mutually are fixed by a plurality of members in a truss construction 4 and together enclose a volume, wherein the elements 1 are connected together in their longitudinal direction to form the mast 2.
  • the mast comprises further a lifting arrangement according to any of the embodiments of the lifting arrangement according to the invention that were previously described.
  • the mast thus comprises an engagement member 5 in parts fixed to the mast elements in their longitudinal direction and aligned with each other.
  • a lifting device 6 with a platform 7 for the transport of objects along the mast, e.g. a new element 8 of the mast 2 that is going to be assembled to such elements 1 that are already assembled.
  • the lifting device 6 comprises a driving mechanism 9 which can elevate the lifting device 6 while engaging the engagement member 5 whereby the lifting device 6 without interruption can travel along the mast 2 while the mast elements 1 are acting as a support as well as a carrier of the engagement member 5 and the lifting device 6 travelling thereupon.
  • the lifting device 6 is assembled with and is engaging the engagement member 5 and extends from one side of the mast 2 only and leaves the remaining sides of the mast 2 free.
  • the mast according to the invention can, as mentioned, be provided in different embodiments corresponding to any embodiment of the above described embodiments of the lifting arrangement according to the invention.
  • the lifting device of the mast can be provided with a cage that enables transport of people.
  • the invention also concerns a method for assembly of a mast divided into elements, and will be described with reference to the figures.
  • the method comprises using a lifting arrangement according to any of the embodiments described above.
  • the parts of the engagement member 5 shall be fixed to the elements of the mast in their longitudinal direction. This can happen before the assembly occasion or in connection with the assembly of the mast.
  • the method is divided into a number of steps that have been numbered. Comments to each step is provided in parenthesis.
  • the mast is assembled by the method comprising to:
  • the mast includes guys
  • these can be assembled with the help of the lifting device according to a variant of the method.
  • the guy wires can be connected to the lifting device, be lifted to the height where they are to be placed, and thereafter transferred to and connected to the mast.
  • the method is applicable to any of the embodiments of the lifting arrangement that have been described above (which in turn have a correspondence to any of the embodiments of the mast according to the invention, as has been mentioned previously). Therefore, the method also comprises any modification that comprises any such embodiment of the lifting arrangement.
  • the variant of the lifting arrangement according to the invention where the lifting arrangement comprises an electric motor with an associated battery has a corresponding embodiment in the method for assembly of the mast where step 5) and step 8) are modified such that the climbing is effected by the lifting device being propelled by the electric motor which is fed by the battery.
  • the invention also comprises a method for dismantling a mast divided into elements.
  • This method has its starting point in the above described mast according to the invention and states how such a mast can be dismantled.
  • the method is applicable to any of the embodiments of the mast that can occur by the mast being implemented by any embodiment of the lifting arrangement according to the invention as described previously.
  • the mast 2 is dismantled by the method comprising to:
  • This method enables a simple and cost effective way to dismantle a mast.
  • the method comprises also any modification that comprises any such embodiment of the lifting arrangement.
  • the variant of the lifting arrangement according to the invention where the lifting arrangement comprises an electric motor with an associated battery has a corresponding embodiment in the method for assembly of the mast where step 1) and step 3) are modified such that the climbing is effected by the lifting device being propelled by the electric motor which is fed by the battery.
  • the present invention also comprises a method for servicing a mast divided into elements.
  • This method has, exactly as the method for dismantling of a mast, it starting point in the above described mast according to the invention and states how such a mast can be serviced.
  • the mast can be serviced by the method comprising to:
  • the method affords an improved opportunity to service compared to the service staff having to climb on their own accord on a ladder. It is less tiring to use the lifting device for lifting and more equipment can be brought along to the part of the mast that is to be serviced.
  • the method for service of a mast comprises a number of different embodiments essentially dependent on which embodiment of the previously described lifting device of the invention that is used.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Jib Cranes (AREA)
  • Types And Forms Of Lifts (AREA)
EP16201081.3A 2016-11-29 2016-11-29 Hebeanordnung für einen in elemente unterteilter mast und verfahren zur montage, demontage und wartung eines mastes Active EP3326959B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP16201081.3A EP3326959B1 (de) 2016-11-29 2016-11-29 Hebeanordnung für einen in elemente unterteilter mast und verfahren zur montage, demontage und wartung eines mastes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16201081.3A EP3326959B1 (de) 2016-11-29 2016-11-29 Hebeanordnung für einen in elemente unterteilter mast und verfahren zur montage, demontage und wartung eines mastes

Publications (2)

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EP3326959A1 true EP3326959A1 (de) 2018-05-30
EP3326959B1 EP3326959B1 (de) 2020-03-04

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3683178A1 (de) * 2018-12-04 2020-07-22 GEDA-Dechentreiter GmbH & Co. KG. Mast mit aufzug und personensicherung, insbesondere kranmast für einen turmdrehkran
CN112761409A (zh) * 2020-12-31 2021-05-07 李永东 一种5g信号基站辅助搭建系统

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB796365A (en) * 1955-11-24 1958-06-11 Access Equipment Ltd Improvements in or relating to power-operated access platforms
US3354599A (en) 1964-08-28 1967-11-28 Wickman & Company Ltd D Method of erecting a mast
SE392312B (sv) 1974-02-22 1977-03-21 Teleplan Ab Sett att montera en mast och byggsats for utforande av settet
AT382592B (de) * 1984-03-13 1987-03-10 Ebbs & Radinger Maschhandel Fahrbuehne fuer einen bauaufzug
DE4405651C1 (de) * 1994-02-22 1995-08-10 Zeppenfeld Aloys Gmbh Bauaufzug
US6357549B1 (en) 1999-06-03 2002-03-19 D. H. Blattner & Sons, Inc. Guide rail climbing lifting platform and method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB796365A (en) * 1955-11-24 1958-06-11 Access Equipment Ltd Improvements in or relating to power-operated access platforms
US3354599A (en) 1964-08-28 1967-11-28 Wickman & Company Ltd D Method of erecting a mast
SE392312B (sv) 1974-02-22 1977-03-21 Teleplan Ab Sett att montera en mast och byggsats for utforande av settet
AT382592B (de) * 1984-03-13 1987-03-10 Ebbs & Radinger Maschhandel Fahrbuehne fuer einen bauaufzug
DE4405651C1 (de) * 1994-02-22 1995-08-10 Zeppenfeld Aloys Gmbh Bauaufzug
US6357549B1 (en) 1999-06-03 2002-03-19 D. H. Blattner & Sons, Inc. Guide rail climbing lifting platform and method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3683178A1 (de) * 2018-12-04 2020-07-22 GEDA-Dechentreiter GmbH & Co. KG. Mast mit aufzug und personensicherung, insbesondere kranmast für einen turmdrehkran
CN112761409A (zh) * 2020-12-31 2021-05-07 李永东 一种5g信号基站辅助搭建系统
CN112761409B (zh) * 2020-12-31 2022-07-08 深圳市领创星通科技有限公司 一种5g信号基站辅助搭建系统

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