[특허]Crane girder for a crane, in particular for an overhead or gantry crane, and a crane comprising such a girder

Konecranes Global Corporation

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특허 상세정보

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내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Crane girder for a crane, in particular for an overhead or gantry crane, and a crane comprising such a girder

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B66C-006/00 F16B-007/18 B66C-017/00
출원번호	US-0313314 (2015-05-21)
등록번호	US-10155644 (2018-12-18)
우선권정보	DE-10 2014 107 323 (2014-05-23)
국제출원번호	PCT/EP2015/061291 (2015-05-21)
국제공개번호	WO2015/177292 (2015-11-26)
발명자 / 주소	Paßmann, Christoph Kreisner, Richard Schlierbach-Knobloch, Thomas Noll, Stefan Schulte, Franz
출원인 / 주소	Konecranes Global Corporation
대리인 / 주소	Gardner, Linn, Burkhart & Ondersma LLP
인용정보	피인용 횟수 : 0 인용 특허 : 13

초록

A crane girder for a crane, such as an overhead or gantry crane, that is configured as a trussed girder with an upper chord, a lower chord, and braces connecting the chords to each other. At least one of the braces is designed flatly and has a main surface which extends transversely to a longitudinal direction of the crane girder. The brace is removably secured to the upper chord and/or the lower chord.

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1. A crane girder for a crane, said crane girder comprising: a trussed girder with an upper chord, a lower chord, and braces connecting said upper and lower chords to one another;wherein the crane girder is configured to support a movable crane trolley having a lifting gear;wherein at least one of the braces comprises an at least partially flattened brace that has a flattened main surface that extends transversely to a longitudinal direction of the trussed girder; andwherein the flattened brace is detachably fastened to at least one of the upper chord and the lower chord by means of a screw connection, and wherein the screw connection is arranged at least partially within a plane formed by the main surface of the brace, and wherein the screw connection has a screw-in direction in generally parallel alignment with the main surface. 2. The crane girder of claim 1, wherein the brace is detachably fastened to at least one of the upper chord and the lower chord via the main surface of the brace. 3. The crane girder of claim 1, wherein the brace is detachably fastened to at least one of a web of the upper chord and a web of the lower chord, and wherein the web that is fastened to the brace extends generally vertically in relation to the longitudinal direction of the trussed girder. 4. The crane girder of claim 1, wherein the brace is detachably fastened to at least one of the upper chord and the lower chord in at least one of a form-fitting and a force-fitting manner. 5. The crane girder of claim 1, wherein the screw connection comprises at least one screw, a sleeve fastened to the main surface of the brace, and a nut supported on the sleeve, and wherein the brace is detachably fastened to at least one of the upper chord and the lower chord by means of the screw passing through a screw passage of the upper chord or of the lower chord and the sleeve to engage the nut. 6. The crane girder of claim 5, wherein the screw connection comprises a clamping pin, and wherein the screw is guided through the clamping pin and the upper chord or the lower chord is supported on the clamping pin. 7. The crane girder of claim 5, wherein the main surface of the brace has at least one aperture, and wherein the peripheral surface of the sleeve lies and is fastened against the edge of the at least one aperture. 8. The crane girder of claim 1, wherein the brace is fastened by means of a plug-in connection. 9. The crane girder of claim 8, wherein the plug-in connection has a plug-in direction in generally parallel alignment with the main surface of the brace. 10. The crane girder of claim 9, wherein the plug-in connection is produced directly between the main surface and the upper chord or the lower chord, and wherein at least one plug-in shoulder of the main surface is inserted into a plug-in receiver of the upper chord or into a plug-in receiver of the lower chord. 11. The crane girder of claim 1, wherein the upper chord and the lower chord are additionally connected to one another by means of a plurality of posts arranged in the longitudinal direction of the trussed girder. 12. The crane girder of claim 1, wherein the upper chord and the lower chord are connected to one another exclusively in a detachable manner. 13. A crane, comprising: at least one crane girder that is configured to extend horizontally in a longitudinal direction;wherein the crane girder comprises an upper chord and a lower chord extending in generally parallel alignment in the longitudinal direction; andwherein the crane girder comprises a plurality of braces connecting said upper and lower chords to one another;wherein at least one of the braces comprises an at least partially flattened brace that has a flattened main surface that extends transversely to the longitudinal direction and is detachably fastened to at least one of the upper chord and the lower chord by means of a screw connection, and wherein the screw connection is arranged at least partially within a plane formed by the main surface of the brace, and wherein the screw connection has a screw-in direction in generally parallel alignment with the main surface. 14. The crane of claim 13, wherein the plurality of braces are detachably fastened to each of the upper chord and the lower chord. 15. The crane of claim 13, wherein the plurality of braces are each detachably fastened at opposing ends to a web of the upper chord and a web of the lower chord, and wherein the webs extend generally vertically in relation to the longitudinal direction. 16. The crane of claim 13, wherein the plurality of braces are each detachably fastened at opposing ends to the upper and lower chords via a screw connection, and wherein the screw connection comprises a screw and a sleeve welded, soldered, or adhered to the brace, and a screw passage at the respective upper or lower chord, and wherein the screw passes through the screw passage and the sleeve to form the screw connection. 17. A method of assembling a crane girder, said method comprising: providing an upper chord, a lower chord, and braces configured to connect the upper and lower chords to one another, wherein at least one of the braces comprises an at least partially flattened brace that has a flattened main surface that extends transversely to a longitudinal direction of the girder;orienting the braces relative to the upper chord and the lower chord to a fastening position that provides the desired setting angle of the braces relative to the upper and lower chords; anddetachably fastening the braces to the upper and lower chords to lock the braces in the fastening position by means of screw connections at each end of each of the braces, wherein the flattened brace is detachably fastened to at least one of the upper chord and the lower chord by means of the screw connection, and wherein the screw connection is arranged at least partially within a plane formed by the main surface of the brace, and wherein the screw connection has a screw-in direction in generally parallel alignment with the main surface. 18. The method of claim 17, wherein the screw connections each comprises a screw and a sleeve fastened to the respective brace, and a screw passage at the respective upper or lower chord, and wherein the screw passes through the screw passage and the sleeve to form the screw connection. 19. A crane girder for a crane, said crane comprising: a trussed girder with an upper chord, a lower chord, and braces connecting said upper and lower chords to one another;wherein at least one of the braces comprises an at least partially flattened brace that has a flattened main surface that extends transversely to a longitudinal direction of the trussed girder; andwherein the flattened brace is detachably fastened to at least one of the upper chord and the lower chord by means of a screw connection;wherein the screw connection is arranged at least partially within a plane formed by the main surface of the flattened brace, and wherein the screw connection has a screw-in direction in generally parallel alignment with the main surface. 20. The crane girder of claim 19, wherein the flattened brace is detachably fastened to at least one of the upper chord and the lower chord via the main surface of the flattened brace. 21. The crane girder of claim 19, wherein the flattened brace is detachably fastened to at least one of a web of the upper chord and a web of the lower chord, and wherein the web that is fastened to the flattened brace extends generally vertically in relation to the longitudinal direction of the trussed girder.

이 특허에 인용된 특허 (13)

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Crane girder for a crane, in particular for an overhead or gantry crane, and a crane comprising such a girder

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특허 상세정보

Crane girder for a crane, in particular for an overhead or gantry crane, and a crane comprising such a girder

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