WO2016041248A1 - 悬臂式多向变位无螺栓梳形板伸缩装置及其安装方法 - Google Patents

悬臂式多向变位无螺栓梳形板伸缩装置及其安装方法 Download PDF

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WO2016041248A1
WO2016041248A1 PCT/CN2014/091080 CN2014091080W WO2016041248A1 WO 2016041248 A1 WO2016041248 A1 WO 2016041248A1 CN 2014091080 W CN2014091080 W CN 2014091080W WO 2016041248 A1 WO2016041248 A1 WO 2016041248A1
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plate
cantilever
plates
pair
vertical
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PCT/CN2014/091080
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English (en)
French (fr)
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刘祖江
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刘祖江
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Publication of WO2016041248A1 publication Critical patent/WO2016041248A1/zh

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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00—Structural or constructional details of bridges
    • E01D19/06—Arrangement, construction or bridging of expansion joints

Definitions

  • the invention relates to the technical field of bridge construction, in particular to a cantilever type multi-directional displacement boltless comb plate expansion device.
  • a widely used telescopic device on the bridge - a comb-shaped plate type telescopic device such as the Chinese utility model patent "anti-drop cantilever comb-type telescopic device" (patent number: ZL200920076024.X) discloses an anti-drop cantilever
  • the comb-shaped telescopic device comprises two comb-shaped steel plates and two anchor plates, and the comb-toothed steel plate is fixedly mounted on the "T" type anchor plate by cantilever type, and is characterized in that the comb-shaped steel plate is provided with anti-drop under the cantilever
  • the baffle and the baffle have an "L” shape, and the two sides are respectively fixed with the comb-shaped steel plate and the anchor plate; the other comb-shaped steel plate is provided with an anti-drop baffle under the cantilever, and the cross section of the baffle is " L" type, and is provided with reinforcing ribs, one side of the baffle is provided with a slit of the Chinese
  • the telescopic device of this structure has the following disadvantages: 1.
  • the sliding tooth plate is directly connected to the beam body by bolts on the bridge surface, and the structure cannot adapt to the vertical, lateral, oblique, torsion, etc. of the bridge beam end. Displacement.
  • 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 bolt is easily plastically deformed, causing the tooth plate to loosen, thereby causing the expansion device to fail.
  • an object of the present invention is to provide a cantilever type multi-directional displacement boltless comb-shaped plate expansion device based on a comb-plate type telescopic device, which adopts With the cantilever comb structure, the comb teeth are symmetrically interspersed with each other without disturbing the force.
  • the comb teeth can be twisted with the bridge to realize the multi-directional rotation of the telescopic device in the vertical, lateral and oblique directions to adapt to the bridge beam end.
  • Vertical, lateral, oblique and other multi-directional displacement which solves the problems of bolt yielding, shearing and swaying of the bolt due to the multi-directional displacement of the longitudinal, lateral and oblique directions of the bridge beam end.
  • a cantilever type multi-directional displacement boltless comb plate expansion device comprising a pair of cantilever tooth plates (4.1, 4.2), a pair of vertical plates (6.1, 6.2), M triangular front support bars Plate (5), M gate-shaped rear ribs (3) and anchored steel ring (1), TST elastic body (13), elastic filter filler (12), drawer type lower plate (9), drawer type
  • the upper plate (10), the elastic filter filler (12) is filled under the pair of cantilever plates (4.1, 4.2) and the drawer stainless steel plates (9, 10) and the inside of the pair of vertical plates (6.1, 6.2) Space
  • TST elastic body (13) is perfused at the interstitial space, characterized in that: the left cantilever tooth plate (4.1) and the left vertical plate (6.1) are vertically welded to the root of a row of teeth, and the right cantilever tooth plate ( 4.2) Vertically welded to the root of the right vertical plate (6.2), and the ports of the M-shaped rear ribs (3) and
  • the rear lower side and the outer side of the vertical plate are closely attached and welded in three dimensions, and the M triangular front support ribs (5) are evenly distributed on the underside of the cantilever tooth of the cantilever tooth plate (4.1, 4.2) and the vertical plate (6.1, 6.2).
  • the drawer type upper plate (10) is parallel to the left cantilever plate (4.1)
  • the rear side is vertically welded to the lower side of the left vertical plate (6.1)
  • the port is vertically folded with the upper end and the outermost pair of triangular front support ribs.
  • a further technical solution is that it further comprises a water strip (7) and a rubber waterstop (8).
  • the rubber waterstop (8) is U-shaped and is located under the drawer stainless steel plate (9, 10). The port is pressed with the water strip (7).
  • a further technical solution is: a pair of cantilever tooth plates (4.1, 4.2), a pair of vertical plates (6.1, 6.2), M triangular front support ribs (5) of the cantilever type multidirectional displacement mechanism are steel plates
  • the elastic filter filler (12) is a honeycomb polyurethane
  • the TST elastic body (13) is a bonding material for a bridge expansion joint
  • the drawer type lower support steel plate (9) and the drawer type upper support steel plate ( 10) is a stainless steel plate.
  • a further technical solution is that the pair of cantilever tooth plates (4.1, 4.2) and the vertical plates (6.1, 6.2), the M gate-shaped rear rib plates (3) and the M anchor steel bars (1) constitute no bolts.
  • Anchoring system using welding technology to separate a pair of cantilever plates (4.1, 4.2) with vertical plates (6.1, 6.2) and M gate-shaped rear ribs (3.1, 3.2) and M anchored steel rings (1.1, 1.2) The three-dimensional welding is integrated into a whole force-free bolt-free anchoring structure.
  • a further technical solution is that the M should not be less than seven unilaterally per meter.
  • the patent also discloses a multi-directional displacement boltless comb plate expansion device installation method, characterized in that: during the installation process, the rubber waterstop belt (8) is placed in a U-shaped longitudinal direction at the bridge gap, and is located in the drawer type stainless steel. Below the plate (9, 10), the port is pressed with a water strip (7).
  • the product adjusts the opening amount of the telescopic tooth corresponding to the temperature at the factory, and fixes the opening amount with a special removable platen, M anchored steel ring (1) and beam end Pre-embedded steel bars at both ends are welded as described above
  • the transition zone between the telescopic device and the deck pavement layer is filled with C50 steel brazing.
  • the invention adopts a cantilever comb-tooth structure, and the comb teeth are symmetrically inserted into each direction without interfering with the force, and the vertical, lateral, oblique and the like of the telescopic device are rotated by the compression and shear deformation of the elastic filter filler. It adapts to the vertical, lateral and oblique displacement of the beam end of the bridge; its structure is reasonable, which solves the multi-directional displacement of the telescopic device due to the vertical, lateral and oblique directions of the bridge beam end, resulting in bolt yielding, shearing and tooth plate Compared with the prior art, the problem of squat head has the advantages of convenient construction, low maintenance cost, stable driving, low noise and the like.
  • the boltless anchoring system is used to weld the telescopic device into a unitary force-free bolt-free anchoring structure, which breaks through the traditional technology that the tooth plate must be anchored by bolts, and fundamentally solves the problem that the bolt anchoring is easy to fatigue and loose.
  • Figure 1 is a partial plan view of the left portion of the present invention.
  • Figure 2 is a front view of the present invention.
  • the present invention uses a cantilever toothed plate (4.1, 4.2) to represent a left cantilever tooth plate 4.1, a right cantilever tooth plate 4.2, and the vertical plates (6.1, 6.2) represent a left vertical plate 6.1 and a right vertical plate 6.2.
  • the cantilever type multi-directional displacement boltless comb plate expansion device of the present invention comprises a pair of left cantilever tooth plates 4.1, a right cantilever tooth plate 4.2, a left vertical plate 6.1, a right vertical plate 6.2, and M triangular fronts.
  • the left cantilever tooth plate 4.1 and the left vertical plate 6.1 extend perpendicularly to the root of one row of teeth, and the ports of the M gate-shaped rear ribs 3 and the anchored reinforcing ring 1 are welded and evenly distributed behind the cantilever plate (4.1, 4.2).
  • the outer sides of the side and vertical plates (6.1, 6.2) are closely attached and welded in three dimensions, and the M triangular front support ribs 5 are evenly distributed on the underside of the cantilever teeth of the cantilever tooth plates (4.1, 4.2) and the vertical plates (6.1, 6.2).
  • the inside is three-dimensionally vertically attached and welded, the drawer-type upper plate 10 is parallel to the left cantilever plate 4.1, the rear side is vertically welded to the lower side of the left vertical plate 6.1, and the port vertically folds the upper end and the outermost pair of triangular front support ribs.
  • the cantilever type multi-directional displacement mechanism of the invention comprises a pair of cantilever tooth plates (4.1, 4.2), a pair of vertical plates (6.1, 6.2), M triangular front support ribs 5, a TST elastic body 13, and an elastic filter filler. 12, drawer type lower support plate 9, drawer type upper support plate 10.
  • the elastic filter filler 12 of the present invention is a honeycomb polyurethane, and the TST elastic body 13 is a bridge expansion joint.
  • the bonding material, the drawer type lower steel plate 9, and the drawer type upper plate steel 10 are stainless steel plates.
  • the boltless anchoring system of the present invention comprises a pair of cantilever toothed plates (4.1, 4.2), a pair of vertical plates (6.1, 6.2), M gate shaped rear ribs (3.1, 3.2) and an anchored reinforcing ring 1, the cantilever of the present invention
  • the tooth plate (4.1, 4.2) adopts a cantilever comb structure.
  • the comb teeth are symmetrically interspersed with each other without disturbing the force.
  • the comb teeth can be twisted with the bridge.
  • the boltless anchoring system is used, and the tooth plate is welded by welding technology. 4.2) By integrally welding the M gate-shaped rear ribs 3 and the anchoring steel ring 1.1 into a unitary force structure.
  • the rubber waterstop (8) is U-shaped and is located under the drawer type stainless steel plate (9, 10), and the port is pressed by the water retaining strip (7).
  • the invention also discloses the installation process of the cantilever type multi-directional displacement boltless comb-shaped plate expansion device: during the installation process, the rubber waterstop belt (8) is placed in the U-shaped longitudinal direction at the bridge gap, and is located in the drawer type stainless steel plate (9) 10) Below, the port is pressed with the water strip (7).
  • the product adjusts the opening amount of the telescopic tooth corresponding to the temperature at the factory, and fixes the opening amount with a special removable platen, M anchored steel ring (1) and beam end
  • a special removable platen, M anchored steel ring (1) and beam end The pre-embedded steel bars at both ends are welded, and the transition zone between the above-mentioned telescopic device and the deck pavement layer is filled with a C50 steel brazing material.
  • the boltless comb plate expansion device of the present invention is installed between the reserved gaps of the bridge.
  • the bridge may be subjected to external forces such as strong winds or heavy vehicles, and lateral displacements such as lateral or longitudinal directions may occur, and the pair of cantilever tooth plates (4.1, 4.2) of the present invention may be moved accordingly to adapt to the vertical direction of the bridge beam ends.
  • Multi-directional displacement, lateral, oblique, etc., and the device is bilaterally symmetrical. For example, heavy vehicles pass through the motion to make the bridge multi-directionally twisted, but it does not affect the bridge, so the life of the bridge is further improved.
  • the cantilever type multi-directional displacement boltless comb-shaped plate extension of the invention In the shrinking device, the number of the M triangular front support ribs 5, the M gate-shaped rear ribs 3 and the anchor rebar ring 1 arranged in the lateral direction is determined according to the width of the bridge deck, the load capacity, and the expansion of the comb plate expansion device. Generally, the number of unilateral sides should not be less than seven, which is a well-known technique that can be determined by those skilled in the art according to the prior art without requiring creative labor. Therefore, the present invention does not limit the specific number. .

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Structures (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

一种悬臂式多向变位无螺栓梳形板伸缩装置及其安装方法，涉及桥梁建筑技术领域。该装置通过改进的悬臂式多向变位无螺栓梳形板伸缩装置，采用悬臂式梳齿结构，梳齿对称穿插各个方向互不干扰受力，梳齿悬空可随桥扭动，实现伸缩装置的竖向、横向、斜向等多向的转动，来适应桥梁梁端竖向、横向、斜向等多向变位。该装置结构合理，解决了伸缩装置因桥梁梁端竖向、横向、斜向等多向变位造成螺栓屈服、剪断以及齿板翘头等问题。

Description

悬臂式多向变位无螺栓梳形板伸缩装置及其安装方法 【技术领域】
本发明涉及桥梁建筑技术领域，特别是一种悬臂式多向变位无螺栓梳形板伸缩装置。
【背景技术】
目前，在桥梁上有一种广泛使用的伸缩装置——梳形板式伸缩装置，如中国实用新型专利《防跌落悬臂式梳形伸缩装置》(专利号：ZL200920076024.X)公开了一种防跌落悬臂式梳形伸缩装置,包括两梳齿形钢板、两锚固板,梳齿形钢板以悬臂式固定设置在“T”型的锚固板上,特点是一梳齿形钢板的悬臂下设有防跌落挡板,挡板的截面呈“L”型,其两边分别与梳齿形钢板、锚固板固接；另一梳齿形钢板的悬臂下设有防跌落挡板,该挡板的截面呈“L”型,并设有加强筋板,其挡板的一边与梳齿形钢板设有缝隙,另一边与锚固板固接,两梳齿形钢板的梳齿以及两挡板为相互承插滑动连接。这种结构的伸缩装置存在以下不足：1、其滑动齿板是搭在桥面上用螺栓直接与梁体连接的，这种结构不能适应桥梁梁端竖向、横向、斜向、扭转等多向变位。2、滑动齿板使用螺栓与梁体连接，属于刚性连接，在受车轮载荷的反复冲击情况下，容易使螺栓发生塑性变形，造成齿板松脱，从而导致伸缩装置失效。
【发明内容】
针对背景技术的不足，本发明的目的在于提供一种基于梳形板式伸缩装置改进的悬臂式多向变位无螺栓梳形板伸缩装置，该装置采 用悬臂式梳齿结构，梳齿对称穿插各个方向互不干扰受力，梳齿悬空可随桥扭动，实现伸缩装置的竖向、横向、斜向等多向的转动，来适应桥梁梁端竖向、横向、斜向等多向变位，解决了伸缩装置因桥梁梁端竖向、横向、斜向等多向变位造成螺栓屈服、剪断以及齿板翘头等问题。
本发明的技术方案是：一种悬臂式多向变位无螺栓梳形板伸缩装置，包括一对悬臂齿板(4.1、4.2)、一对立板(6.1、6.2)、M个三角形前支撑筋板(5)、M个门字形后筋板(3)和锚固钢筋环(1)、TST弹缩体(13)、弹性过滤填充料(12)、抽屉式下托钢板(9)、抽屉式上托钢板(10)，弹性过滤填充料(12)填充在一对悬臂齿板(4.1、4.2)下面和抽屉式不锈钢板(9、10)上面及一对立板(6.1、6.2)内侧的全部空间，TST弹缩体(13)灌注在齿缝间隙处，其特征在于：所述的左悬臂齿板(4.1)与左立板(6.1)延一排齿根部垂直焊接，右悬臂齿板(4.2)与右立板(6.2)延一排齿根部垂直焊接，M个门字形后筋板(3)和锚固钢筋环(1)的端口焊接后，均匀分布于悬臂齿板(4.1、4.2)后下侧及立板外侧成三维垂直紧贴并焊接，M个三角形前支撑筋板(5)均匀分布于悬臂齿板(4.1、4.2)的悬臂齿正下侧及立板(6.1、6.2)内侧成三维垂直紧贴并焊接，抽屉式上托钢板(10)与左悬臂齿板(4.1)平行，后侧与左立板(6.1)下侧垂直焊接，端口垂直折叠上端与最外侧一对三角形前支撑筋板(5)外侧焊接；抽屉式下托钢板(9)与另一侧右悬臂齿板(4.2)平行，后侧与右立板(6.2)下侧垂直焊接，端口垂直折叠上端与最外侧一对三 角形前支撑筋板(5)内侧焊接，其中M为任意整数。
其进一步技术方案是：它还包括挡水条压条(7)、橡胶止水带(8)，所述的橡胶止水带(8)成U型，位于抽屉式不锈钢板(9、10)下面，端口用挡水条压条(7)压紧。
其进一步技术方案是：所述的悬臂式多向变位机构的一对悬臂齿板(4.1、4.2)、一对立板(6.1、6.2)、M个三角形前支撑筋板(5)材料是钢板，弹性过滤填充料(12)为蜂窝状聚氨酯，所述的TST弹缩体(13)为桥梁伸缩缝用粘接料，所述的抽屉式下托钢板(9)、抽屉式上托钢板(10)为不锈钢板。
其进一步技术方案是：所述的一对悬臂齿板(4.1、4.2)与立板(6.1、6.2)、M个门字形后筋板(3)和M个锚固钢筋环(1)组成无螺栓锚固系统，用焊接技术将一对悬臂齿板(4.1、4.2)分别与立板(6.1、6.2)和M个门字形后筋板(3.1、3.2)和M个锚固钢筋环(1.1、1.2)三维焊接为一体成整体受力无螺栓锚固结构。
其进一步技术方案是：所述的M每米单边不应少于7个。
本专利还公布了一种多向变位无螺栓梳形板伸缩装置安装方法，其特征在于：安装过程中，橡胶止水带(8)成U型纵向置于桥梁缝隙处，位于抽屉式不锈钢板(9、10)下面，端口用挡水条压条(7)压紧。
根据安装现场的实际温度，按照伸缩缝的不同型号，产品在出厂时调整与温度相对应的伸缩齿开口量，用特制可拆装压板固定开口量，M个锚固钢筋环(1)与梁端两端的预埋钢筋焊接，用如上所述 的伸缩装置与桥面铺装层之间的过渡带用C50钢钎维砼填充。
本发明采用悬臂式梳齿结构，梳齿对称穿插各个方向互不干扰受力，通过弹性过滤填充料的压缩、剪切变形实现伸缩装置的竖向、横向、斜向等多向的转动，来适应桥梁梁端竖向、横向、斜向等多向变位；其结构合理，解决了伸缩装置因桥梁梁端竖向、横向、斜向等多向变位，造成螺栓屈服、剪断以及齿板翘头等问题，与现有技术相比具有施工方便，维护费用低，行车平稳，噪音低等优点。采用无螺栓锚固系统将伸缩装置焊接成一体成整体受力无螺栓锚固结构，突破了以往齿板必须用螺栓锚固的传统技术，从根本上解决了螺栓锚固容易疲劳松动的病害。
【附图说明】
图1是本发明左边部分局部俯视图；
图2是本发明的主视图。
附图标记说明：1—锚固钢筋环，2—过渡带钢筋，3—门字形后筋板，4.1—左悬臂齿板、4.2—右悬臂齿板，5—三角形前支撑筋板、6.1—左立板、6.2—右立板，7—挡水条压条，8—橡胶止水带，9—抽屉式下托钢板，10—抽屉式上托钢板，11—抽屉式下托钢板连接板，12—弹性过滤填充料，13—TST弹缩体，14—C50钢纤维砼
【具体实施方式】
以下结合附图对本发明做进一步的说明。
为了便于所述，本发明用悬臂齿板(4.1、4.2)代表左悬臂齿板4.1、右悬臂齿板4.2，立板(6.1、6.2)代表左立板6.1、右立板6.2。
如图2，本发明之悬臂式多向变位无螺栓梳形板伸缩装置，包括一对左悬臂齿板4.1、右悬臂齿板4.2、左立板6.1、右立板6.2、M个三角形前支撑筋板5、M个门字形后筋板3和锚固钢筋环1、TST弹缩体13、弹性过滤填充料14、抽屉式下托钢板11、抽屉式上托钢板10、橡胶止水带8，左悬臂齿板4.1与左立板6.1延一排齿根部垂直焊接，M个门字形后筋板3和锚固钢筋环1的端口焊接后，均匀分布于悬臂齿板(4.1、4.2)后下侧及立板(6.1、6.2)外侧成三维垂直紧贴并焊接，M个三角形前支撑筋板5均匀分布于悬臂齿板(4.1、4.2)的悬臂齿正下侧及立板(6.1、6.2)内侧成三维垂直紧贴并焊接，抽屉式上托钢板10与左悬臂齿板4.1平行，后侧与左立板6.1下侧垂直焊接，端口垂直折叠上端与最外侧一对三角形前支撑筋板5外侧焊接；抽屉式下托钢板9与另一侧右悬臂齿板4.2平行，后侧与右立板6.2下侧垂直焊接，端口垂直折叠上端与最外侧一对三角形前支撑筋板5内侧焊接，橡胶止水带8成U型，位于抽屉式不锈钢板(9、10)下面，弹性过滤填充料12填充在一对悬臂齿板(4.1、4.2)下面和抽屉式不锈钢板(9、10)上面及一对立板(6.1、6.2)内侧的全部空间，TST弹缩体13灌注在齿缝间隙处。本发明的装置与桥面铺装层之间的过渡带用C50钢钎维砼14填充，如附图2所示。
本发明的悬臂式多向变位机构包括一对悬臂齿板(4.1、4.2)、一对立板(6.1、6.2)、M个三角形前支撑筋板5、TST弹缩体13、弹性过滤填充料12、抽屉式下托钢板9、抽屉式上托钢板10。本发明的弹性过滤填充料12为蜂窝状聚氨酯、TST弹缩体13为桥梁伸缩缝 用粘接料、所述的抽屉式下托钢板9、抽屉式上托钢板10为不锈钢板。本发明的无螺栓锚固系统包括一对悬臂齿板(4.1、4.2)、一对立板(6.1、6.2)、M个门字形后筋板(3.1、3.2)和锚固钢筋环1，本发明的悬臂齿板(4.1、4.2)采用悬臂式梳齿结构，梳齿对称穿插各个方向互不干扰受力，梳齿悬空可随桥扭动，采用无螺栓锚固系统，用焊接技术将齿板(4.1、4.2)通过与M个门字形后筋板3和锚固钢筋环1.1焊接为一体成整体受力结构。
本发明实施例中，橡胶止水带(8)成U型，位于抽屉式不锈钢板(9、10)下面，端口用挡水条压条(7)压紧。
本发明还公开了悬臂式多向变位无螺栓梳形板伸缩装置的安装过程：安装过程中，橡胶止水带(8)成U型纵向置于桥梁缝隙处，位于抽屉式不锈钢板(9、10)下面，端口用挡水条压条(7)压紧。
根据安装现场的实际温度，按照伸缩缝的不同型号，产品在出厂时调整与温度相对应的伸缩齿开口量，用特制可拆装压板固定开口量，M个锚固钢筋环(1)与梁端两端的预埋钢筋焊接，用上述的伸缩装置与桥面铺装层之间的过渡带用C50钢钎维砼14填充。
将本发明的无螺栓梳形板伸缩装置安装在桥梁预留缝隙之间。安装后，桥梁可能受大风或重型车辆等外力作用，发生横向或纵向等多向变位，而本发明的一对悬臂齿板(4.1、4.2)可以随之移动，适应了桥梁梁端竖向、横向、斜向等多向变位，且本装置左右对称，如重型车辆通过运动是使桥梁有多向扭变，但对桥梁不会造成影响，所以进一步的提高了桥梁的寿命。本发明悬臂式多向变位无螺栓梳形板伸 缩装置中，所述横向布置的M个三角形前支撑筋板5、M个门字形后筋板3和锚固钢筋环1的个数要根据桥面的宽度、载重量、梳形板伸缩装置的受力情况而定，一般每米单边不应少于7个，这是本领域的技术人员根据现有技术不需要花费创造性劳动就能确定的公知技术，故本发明不对具体个数进行限定。

Claims (6)

  1. 一种悬臂式多向变位无螺栓梳形板伸缩装置，包括一对悬臂齿板(4.1、4.2)、一对立板(6.1、6.2)、M个三角形前支撑筋板(5)、M个门字形后筋板(3)和锚固钢筋环(1)、TST弹缩体(13)、弹性过滤填充料(12)、抽屉式下托钢板(9)、抽屉式上托钢板(10)，弹性过滤填充料(12)填充在一对悬臂齿板(4.1、4.2)下面和抽屉式不锈钢板(9、10)上面及一对立板(6.1、6.2)内侧的全部空间，TST弹缩体(13)灌注在齿缝间隙处，其特征在于：
    所述的左悬臂齿板(4.1)与左立板(6.1)延一排齿根部垂直焊接，右悬臂齿板(4.2)与右立板(6.2)延一排齿根部垂直焊接，M个门字形后筋板(3)和锚固钢筋环(1)的端口焊接后，均匀分布于悬臂齿板(4.1、4.2)后下侧及立板外侧成三维垂直紧贴并焊接，M个三角形前支撑筋板(5)均匀分布于悬臂齿板(4.1、4.2)的悬臂齿正下侧及立板(6.1、6.2)内侧成三维垂直紧贴并焊接，抽屉式上托钢板(10)与左悬臂齿板(4.1)平行，后侧与左立板(6.1)下侧垂直焊接，端口垂直折叠上端与最外侧一对三角形前支撑筋板(5)外侧焊接；抽屉式下托钢板(9)与另一侧右悬臂齿板(4.2)平行，后侧与右立板(6.2)下侧垂直焊接，端口垂直折叠上端与最外侧一对三角形前支撑筋板(5)内侧焊接，其中M为任意整数。
  2. 如权利要求1所述的多向变位无螺栓梳形板伸缩装置，其特征在于：它还包括挡水条压条(7)、橡胶止水带(8)，所述的橡胶止水带(8)成U型，位于抽屉式不锈钢板(9、10)下面，端口用挡水条压条(7)压紧。
  3. 如权利要求1所述的多向变位无螺栓梳形板伸缩装置，其特征在于：所述的悬臂式多向变位机构的一对悬臂齿板(4.1、4.2)、一对立板(6.1、6.2)、M个三角形前支撑筋板(5)材料是钢板，弹性过滤填充料(12)为蜂窝状聚氨酯，所述的TST弹缩体(13)为桥梁伸缩缝用粘接料，所述的抽屉式下托钢板(9)、抽屉式上托钢板(10)为不锈钢板。
  4. 如权利要求1所述的多向变位无螺栓梳形板伸缩装置，其特征在于：所述的一对悬臂齿板(4.1、4.2)与立板(6.1、6.2)、M个门字形后筋板(3)和M个锚固钢筋环(1)组成无螺栓锚固系统，用焊接技术将一对悬臂齿板(4.1、4.2)分别与立板(6.1、6.2)和M个门字形后筋板(3.1、3.2)和M个锚固钢筋环(1.1、1.2)三维焊接为一体成整体受力无螺栓锚固结构。
  5. 如权利要求1、2或3所述的多向变位无螺栓梳形板伸缩装置，其特征在于：所述的M每米单边不应少于7个。
  6. 一种多向变位无螺栓梳形板伸缩装置安装方法，其特征在于：安装过程中，橡胶止水带(8)成U型纵向置于桥梁缝隙处，位于抽屉式不锈钢板(9、10)下面，端口用挡水条压条(7)压紧，根据安装现场的实际温度，按照伸缩缝的不同型号，产品在出厂时调整与温度相对应的伸缩齿开口量，用特制可拆装压板固定开口量，M个锚固钢筋环(1)与梁端两端的预埋钢筋焊接，用权利要求1至5所述的任一种伸缩装置与桥面铺装层之间的过渡带用C50钢钎维砼填充。
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