Prestressed multidirectional displacement comb plate expansion device

A multi-directional displacement and telescopic device technology, which is applied to bridge parts, bridges, buildings, etc., can solve the problems of increasing the thickness of the slab, increasing the span of the slab, failure of the telescopic device, etc., achieving low maintenance costs, The effect of convenient construction and smooth driving

Active Publication Date: 2011-06-22
柳州东方工程橡胶制品有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

2. The spherical support, the cross-joint plate and the movable tooth plate are separate structures, which are prone to vibration due to the impact of the wheel load. After rep

Method used

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  • Prestressed multidirectional displacement comb plate expansion device
  • Prestressed multidirectional displacement comb plate expansion device
  • Prestressed multidirectional displacement comb plate expansion device

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Embodiment Construction

[0024] Such as Figure 1-1 to Figure 1-3 , the prestressed multi-directional displacement comb-shaped expansion device of the present invention includes a sliding tooth plate 1, a fixed tooth plate 2, a sealing rubber belt 3 and a plurality of multi-directional displacement mechanisms, a fixed tooth plate 2 and a sliding tooth plate 1 Set on the stainless steel plates 10, 11 respectively located in the two bridge plates 71, 72, the stainless steel plate 10 is flexibly connected with the toothed end of the sliding tooth plate 1, the stainless steel plate 11 is fixedly connected with the fixed tooth plate 2, and the sealing rubber belt 3 is located on the two sides. Below the stainless steel plates 10 and 11 (see Figure 1-3 ); said each multidirectional displacement mechanism includes a protective cover 4, 2 elastic structures 5 and 2 anchor bolts 6, and the 2 elastic structures 5 are installed in the protective cover 4 to ensure sufficient The anchor bolt 6 runs through the el...

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PUM

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Abstract

The invention discloses a prestressed multidirectional displacement comb plate expansion device, which comprises a sliding toothed plate, a fixed toothed plate, a sealing rubber tape and a plurality of multidirectional displacement mechanisms, wherein the fixed toothed plate and the sliding toothed plate are arranged on stainless steel plates positioned on two bridge plates respectively, and the stainless steel plates are movably connected with the toothed end of the sliding toothed plate and fixedly connected with the fixed toothed plate; the sealing rubber tape is positioned below the two stainless steel plates; the multidirectional displacement mechanism comprises a protective cover, m elastic structures and an anchor bolt; each elastic structure is arranged in the protective cover; and the anchor bolt passes through the elastic structure, one end of the anchor bolt passes through an upper cover plate of the protective cover and is fastened and connected with the sliding toothed plate through a nut, and the other end of the anchor bolt is fixed at the bottom of the elastic structure or a mounting connecting plate at the bottom. The elastic structures are made of steel springs or macromolecular materials. The device has reasonable structure, and solves the problems that the bolt is yielded and sheared and the toothed plates are warped and the like because of multidirectional displacement of the bridge end of the expansion device in the vertical direction, transverse direction, oblique direction and the like.

Description

【Technical field】 [0001] The invention relates to a prestressed anchoring device accessory for prestressed construction, in particular to a bridge telescopic device. 【Background technique】 [0002] At present, there is a widely used telescopic device on bridges—the comb-shaped telescopic device. There are following deficiencies in the telescopic device of this structure: 1. Its sliding tooth plate is directly connected with the beam body with bolts on the bridge deck. To shift. 2. The sliding tooth plate is connected with the beam body by bolts, which is a rigid connection. Under the repeated impact of the wheel load, the bolts are likely to be plastically deformed, causing the tooth plate to loosen, resulting in the failure of the telescopic device. [0003] CN201321598Y utility model patent discloses "a bridge telescopic device with multi-directional displacement". structure to realize the lateral and longitudinal displacement compensation of the telescopic device. The...

Claims

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Application Information

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IPC IPC(8): E01D19/06
Inventor 资道铭潘图春邓学奇黄森李世军梁德郡何家荣黎宏
Owner 柳州东方工程橡胶制品有限公司
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