SU1002448A1

SU1002448A1 - Bridge-building appliance

Info

Publication number: SU1002448A1
Application number: SU813355697A
Authority: SU
Inventors: Загид Таджиевич Хучбаров
Original assignee: За витель i ГУ:t . 45 Sv -, .-.,.;. ; ; 1 Ч:; V -;.)J,5f S ц5 t -JSr- ;..v«s.,,.-...
Priority date: 1981-11-19
Filing date: 1981-11-19
Publication date: 1983-03-07

Description

(-54) АВАНБЕК(-54) AVANBEK

Изобретение относитс к области мостостроени и может быть использовано в конструкци х аванбека дл надвижки пролетных строений мостов.The invention relates to the field of bridge construction and can be used in avanbek constructions for sliding bridge spans.

Известен аванбек, включающий неcjrmyro балку, шарнирно соединенную нижним по сом с надвигаемым пролетным строением, и гидЗфост жку, укрепленную между пролетным строением и верхним по сом несущейбалки дл обеспечени возможности регулировани угла наклона несушей балки .l The avanbek is known, including a necjrmyro beam pivotally connected by a lower catfish with an approaching span, and a hydraulic bridge reinforced between the bridge span and the upper bearing catfish to allow adjustment of the angle of the roof beam.

Недостаток этого аванбека заключаетс в сложности конструкции ввиду необходимости применени мощных гидроцилиндров дл гидррст жки,-расположенной в наиболее напр женном сечении аванбека, а также в значительных энергозатратах.The disadvantage of this avanbek is in the complexity of the design due to the need to use powerful hydraulic cylinders for hydraulics, located in the most stressed avanbek section, as well as in significant energy consumption.

Наиболее близким решением к предг лагаемому по технической сущности и достигаемому эффекту вл етс аванбек , включающий металлическую несущую бгшку, закрепленную на верхнем по се надвигаемого пролетного строени , и элементы креплени несущей балки HSi пролетном строении 2.The closest solution to the proposed by the technical essence and the achieved effect is avanbek, including a metal carrier bng, fixed on the upper over the sliding bridge structure, and fastening elements of the supporting beam HSi span structure 2.

Недостаток этого аванбека заключаетс в значительной его материале)-.The disadvantage of this avanbek is in its significant material) -.

емкости, обусловленной необходй .мостью достаточного прот женного заведени несущей балки на верхний по с пралетного строени и достаточно мощными элементами креплени ,несущей балки на пролетном строении, а также необходимостью существенного увеличени сечени несущей балки при увеличении длины ее приемной capacity, due to the need for a sufficiently extended installation of the carrier beam to the upper along with the praglet structure and sufficiently powerful fastening elements, the carrier beam on the span structure, as well as the need for a substantial increase in the carrier beam section

10 части.10 parts.

Цель изобретени - снижение материалоемкости аванбека при одновременном увеличении его длиныThe purpose of the invention is to reduce the material consumption of avanbek while increasing its length

Указанна цель достигаетс тем, This goal is achieved by

15 что аванбек, включающий металлическую несущую балку, закрепленную на : верхнем по се надвигаемого пролетного строени , и элементы креплени несущей балки на пролетном строении, 15 that avanbek, including a metal carrier beam, fixed on: the upper and the upper of the movable span, and the fastening elements of the carrier beam on the span structure,

20 аванбек снабжен тросовыми отт жками, веерообразно расход щимис в направлении от пролетного строени к металлической балке и закрепленными -нижними концами в уровне нижнего по са 20 avanbek is equipped with cable straps, which fan-shapedly diverge in the direction from the span to the metal beam and are fixed with lower ends in the level of the bottom rail.

25 пролетного строени , а верхними концами на несущей балке, и элементами .креплени отт жек, выполненными в виде направл ющих упоров, укрепленных в уровне нижнего по са пролетнр-/ 25 of the superstructure, and the upper ends on the support beam, and fastening elements of fasteners, made in the form of guide stops reinforced at the level of the lower span of the projectile /

Claims

30, of the first line, and on the carrier beam, and clamps for fastening the brace on the right-hand side {stops. Fig, 1 shows avanbek, general view; in fig. 2 - the same moment of receiving the end of the avanbek to the support in the process of sliding the span of the avanbek includes a metal support beam 1 of constant height fixed on the upper extension of the suspended span 2 by means of fastener elements 3, for example, a bolted joint, cable 4, fan-shaped, diverging in the direction from the span 2 to the carrier beam 1 and secured by the lower ends in the level of the lower half of the span, and the upper ends on the carrier beam ide guide abutments 5, 6, mounted respectively in the lower level of the belt 2 and Spans on the carrier beam 1, and compressing 7 for attachment ott rods 4 guide abutments 5.6. The presence of cable delays 4 significantly increases the rigidity of the avanbek support beam, which is necessary for normal avanbek operation when receiving the end of it onto an alternate support when sliding the span structure, which makes it possible to increase the avanbek length while significantly reducing its material consumption compared with the known avanbek designs. , moreover, at a constant height of the carrier beam. The invention of the avanbek, including a metal carrier beam, mounted on the upper overhang of the superstructure, and fastening elements of the carrier beam on the superstructure, different in that / in order to reduce the material intensity of the avanbek while increasing its length, the avanbek is equipped with cable straps, fan-shaped, diverging in the direction from the span to the bearing beam and fixed lower ends in the level of the lower half of the span, and upper ends on the supporting beam, and fasteners for fasteners, made in the form of guide pins, reinforced at the level of the lower span structure and on the carrier beam, and clamps for fastening the pins on the guide pins. Sources of information taken into account in the examination 1. GDR patent number 120492, cl. 19 D 21/00, 1976. 2, USSR Copyright Certificate No. 379723, cl. E 01 D 15/12, 1970 prototype).