• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Device (1) for hoisting of prefabricated beams (2); of the type of beams (2) made of reinforced concrete with extreme heads (3) with holes (4) horizontal passages; and comprising end anchors (5) to be fixed on the heads (3) comprising said anchors (5): - at least one bolt (6) passing through one of the holes (4) of the head (3) of the beam (2), - a fork (7) with end hooks (71) on its arms (70) for fixing to the ends (60) of the pin (6), - a support element on the end face (30) of the head (3) of the beam (2) provided on the fork (7), and - a hook (8) for suspension cables (9), provided on the fork (7). (Machine-translation by Google Translate, not legally binding)
    公开号:ES2655980A1
    申请号:ES201731018
    申请日:2017-08-07
    公开日:2018-02-22
    发明作者:a mención Renuncia
    申请人:Gestion Y Actividades Secozam Sl；
    IPC主号:
    专利说明:

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    distal end of a hole (71a) for insertion of the end (60) bolt (6) and at its proximal end of at least one second bore (71b); the first joint (72) comprising a bolt (77) which is passing through the first holes (74a) of the braces (74) and the second hole (71b) of the hitch (71), - a central branch, configured by a crossbar (75) at whose ends the proximal ends of the connecting rods (73) are fixed; and whose crossbar (75) is arranged at a distance from the holes (71a) of the hooks (71) smaller than the distance between the hole (4) through the head (3) of the beam (2) in the that the bolt is inserted
    (6) and the upper lateral end edge (31) of the head (3) of the beam (2), to be configured simultaneously as the support element in the extreme face (30) of the head (3) of the beam (2), and -a hook (8) for suspension cables (9), comprising rotating lugs (81) rotatably arranged at the ends of the crossbar (75), for coupling said cables (9) (by shackles (83) or the like ). In this embodiment, the distribution plates (10) comprise clamps (100) for fixing on the crossbar (75). This configuration is easy to perform and calculate and scale depending on the weight of the beam, allows to assume errors in the positioning of holes maintaining the alignment of the shots and the flat support on the end, and reduces the size of the through holes , by embedding the through bar reducing its sizing. It also ensures that the lifting cables come out with a trajectory that avoids their interference with the upper wing of the concrete beam, a critical aspect since saving said wing laterally is totally unfeasible due to the sizing of the flex bolt that it would cause.
    More specifically, in the case of beams up to 80 tons, the connecting rods (73) are materialized in UPN 260 profiles in S-275 steel, the rotating lugs (81) are materialized in 30 mm S-275 steel plates thick, the crossbar (75) is materialized in solid 35mm diameter tube in S-355 steel
    or St52, the hooks (71) are, materialized in steel plate S-275 and thickness of 20 mm, the bolts (6) are materialized in steel 42CrMo4 (F125) in 80 mm diameter and the bolts (77) They are materialized in steel in 42CrMo4 steel (F125) in 80 mm diameter.
    Sufficiently described the nature of the invention, as well as the manner in which it is carried out in practice, it should be noted that the provisions indicated above and represented in the attached drawings are subject to detailed modifications in
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    权利要求:
    Claims (1)
    [1]
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    同族专利:
    公开号 | 公开日
    ES2655980B2|2018-09-13|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    JPS63151491U|1987-03-26|1988-10-05|
    JPH04112882U|1991-03-14|1992-10-01|
    JP2001302172A|2000-04-26|2001-10-31|Clion Co Ltd|Method and jig for suspending block|
    CN103420263A|2012-05-20|2013-12-04|沈兴财|Prefabricated plate hoisting tool|
    CN102718121A|2012-06-27|2012-10-10|中铁上海工程局有限公司|Lifting device for large cement pipe and construction method thereof|
    法律状态:
    2018-09-13| FG2A| Definitive protection|Ref document number: 2655980 Country of ref document: ES Kind code of ref document: B2 Effective date: 20180913 |
    优先权:
    申请号 | 申请日 | 专利标题
    ES201731018A|ES2655980B2|2017-08-07|2017-08-07|DEVICE FOR LIFTING PREFABRICATED BEAMS|ES201731018A| ES2655980B2|2017-08-07|2017-08-07|DEVICE FOR LIFTING PREFABRICATED BEAMS|
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