• 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:
    Published without abstract.
    公开号:SU1667635A3
    申请号:SU874202691
    申请日:1987-06-08
    公开日:1991-07-30
    发明作者:Фастердинг Гюнтер；Френцель Юрген
    申请人:Штальверке Пайне-Зальцгиттер Аг (Фирма)；
    IPC主号:
    专利说明:

    FIG. T
    The invention relates to a concrete sleeper for rail tracks on heavy, high speed and urban railway sections.
    The purpose of the invention is to optimize the laying and fastening of the rails.
    FIG. 1 shows a forked end of the sleeper, top view; in fig. 2 is a section A-A in FIG. 1; in fig. 3 - concrete sleeper, cut.
    The two ends of 1 concrete sleepers in the form of beams of polymer concrete have a wedge-shaped surface with a slope of 1:40 to the center of the track. Liners 3-6 of spring plates made of a non-conducting material are placed on the rail 2 rail. The distance between the centers of the pads 4 and 5 is 600 mm, the distance between the centers of the pads 3 and 4, or 5 and 6 is 170 mm. In the middle between the pads 3 and 4 or 5 and 6, the pods of the plate are fixed with the help of the guide plate 7, the clamp strap 8 and the screw 9.
    The slot 10 and the fastening plane 11 are intended for the Nelson anchor 12. In this case, the soles of the 13 rails are elastically fixed through the plates on the wedge-shaped surface 14 of the sleepers. The anchor of Nelson is tightened with a nut 15. The guide plate 7, with one of its edges, interacts with the inclined surface 16. The sleeper contains polyethylene dowels 17. In FIG. 3 shows the end of the sleeper with the carbon fiber traverse 18 poured in to reinforce the underhole zone, and the other end of the sleeper optionally contains a fiberglass lintel 19 of the traverse 20. Jumper 19 of the traverse 20 is connected to the polyethylene dowels 17. Preliminarily, the Nelson anchor is welded to flat steel 21 in the asphalt base 22. The anchor is tightened by the nut 15 through the washer 23 to the plane 11. The lintels are placed along the entire sleeper vi end on the shoulder 24 with a hole for the Nelson anchor. about
    The scale works as follows.
    The double overlap of the rail on a normal concrete transverse sleeper in the form of a beam with an intermediate mounting of the base 13 of the rail 2 gives an optimal fixation of the rail at three points. The greater the distance between the linings at the ends of the sleepers, the more favorable is the distribution of stress in the rail and the sleeper under load. In the ideal case, the distance between the pads 3 and 4 or 5 and 6 of all the sleepers should be constant, but this leads to too much consumption of the sleepers. An intermediate solution with a spacing between the pads on the cross ties, which is more than 20% of the distance to
    the lining on the adjacent sleeper already provides a significant reduction in stress in the rail. The distance between the linings is limited by the width of the sleepers and,
    consequently, an increase in its weight, as well as an increased risk of destruction of the sleepers with an increased lever arm to the axis of the sleepers. The problems of mass are solved by the Y-shaped form of the concrete Sleeper, in which
    Saves approximately 20% of the mass of concrete per unit length of the laid rail.
    The use of a concrete sleeper according to the invention with two or more rail linings is advisable to use no more than heavy load reinforced concrete sections, such as the urban railway, high-speed sections and sections for a number of trains. In spite of the overall elasticity of the track, the fixed support element protects the rail from breakage due to twisting and bending. This is achieved, firstly, by distributing the load on the sleeper at three points at each end of the sleeper and, secondly,
    using a known polymer concrete from colloidal cement with 4-10% addition of polymers, such as polyvinyl acetate. You can also use a concrete sleeper with chopped or laminated GFK (carbon) fibers. The technological properties of these composite materials are better than those of simple or pre-stressed concrete. If necessary, areas of sleepers, the most
    subject to stress, can be reinforced with a mixture of combined substances or the addition of long-fiber carbon fibers or glass fiber. This gain has the advantage that
    electrically conductive material is excluded that may interfere with signal systems with an electrical rail circuit due to induction or the occurrence of an electrical circuit (formation
    electrolyte during the rain between the rail and the sleeper, or the gain of the sleeper). In the same way, the system of sleepers can eliminate the influence of a magnetic field formed by a constant-drive vehicle. To increase the shear resistance, especially on the asphalt base, concrete sleepers can be connected to the base with the help of the so-called Nelson anchors 12. This increases the stiffness of the sleepers as a rail support. Strengthening the sleepers at the most loaded points with the help of connecting dowels 17, designed for tensioning anchors, for example, sleeper screws 9, and poured into concrete in the form of a bridge made of artificial material or fiber tow, can be made by connecting screw dowels on the rail with one crosshead by connecting the dowels located on the inside of the rail and connecting all the dowels with the Nelson anchor mount. The reinforcement may include the Nelson anchor attachment area.
    权利要求:
    Claims (5)
    [1]
    1. Concrete sleeper with ends in the form of beams and a width-to-height ratio of less than 2: 1, containing linings and anchor fastenings of the rail base, which means that, in order to optimize the laying and fastening of the rails, at each end of the sleepers at least two linings placed on both
    side of the tension anchor for fastening the rail foot, while the body of the sleepers in the fastening zones is made with reinforcement of non-conductive material.
    [2]
    2. The sleeper of claim 1, characterized by
    so that it is made Y-shaped in the plan.
    [3]
    3. Sleeping under item 2, characterized in that the distance between the centers of adjacent pads is 0.2 times greater than the distance between the centers of adjacent inner pads of the forked end of the cross tie.
    [4]
    4. Sleep on PP. 1-3, that is, so that the body of the sleepers is made of polymer or fibrous concrete.
    [5]
    5. Sleep on PP. 1-4, that is, with the fact that the reinforcement is made of carbon fiber and / or resistant against the saponification of fiberglass.
    ten
    FIG. 2
    类似技术:
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    JP3087093B2|2000-09-11|The structure of the vertical bridge in the railway viaduct
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    JP3272083B2|2002-04-08|Connection structure for synthetic sleepers
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    同族专利:
    公开号 | 公开日
    DE3601917A1|1987-07-30|
    引用文献:
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    DE19863601917|DE3601917A1|1986-01-23|1986-01-23|Process for the purification of flue gases|
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