WO2003021043A1 - Palier reglable - Google Patents

Palier reglable Download PDF

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Publication number
WO2003021043A1
WO2003021043A1 PCT/CN2002/000570 CN0200570W WO03021043A1 WO 2003021043 A1 WO2003021043 A1 WO 2003021043A1 CN 0200570 W CN0200570 W CN 0200570W WO 03021043 A1 WO03021043 A1 WO 03021043A1
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WO
WIPO (PCT)
Prior art keywords
stud
plate
base
seat
adjustable support
Prior art date
Application number
PCT/CN2002/000570
Other languages
English (en)
French (fr)
Inventor
Xiangming Wu
Hongwei Zhou
Lingen Huang
Original Assignee
Shanghai Meglev Transportation Delevopment Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Meglev Transportation Delevopment Co., Ltd. filed Critical Shanghai Meglev Transportation Delevopment Co., Ltd.
Priority to EP02750767A priority Critical patent/EP1424447B1/en
Priority to DE60226618T priority patent/DE60226618D1/de
Priority to US10/488,539 priority patent/US7207721B2/en
Publication of WO2003021043A1 publication Critical patent/WO2003021043A1/zh

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Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00Structural or constructional details of bridges
    • E01D19/04Bearings; Hinges
    • E01D19/048Bearings being adjustable once installed; Bearings used in incremental launching
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00Structural or constructional details of bridges
    • E01D19/04Bearings; Hinges
    • E01D19/042Mechanical bearings
    • E01D19/046Spherical bearings
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00Joints and connections
    • Y10T403/32Articulated members
    • Y10T403/32254Lockable at fixed position
    • Y10T403/32262At selected angle
    • Y10T403/32311Ball and socket

Definitions

  • the invention relates to an adjustable support, in particular to an adjustable support for an elevated road beam, a rail track rail and a magnetic suspension railway track beam.
  • Rail beams and other structures are provided with supports at both ends.
  • the rail beams need to be checked and adjusted during installation and maintenance. Such corrections and adjustments are achieved through the adjustment of the rail beam supports.
  • the Inserting a filler steel plate and a wedge-shaped steel plate between the adjusting sleeve hole and the shearing tenon of the support base plate to adjust the installation position of the track support.
  • the above method has inconveniences, labor and cost, inaccurate adjustment and excessive adjustment. Disadvantages of unable to withdraw the wedge.
  • the technical problem to be solved by the present invention is to overcome the shortcomings of the prior art mentioned above, and provide a kind of adjustable support, which should have stepless adjustment in vertical and horizontal directions, convenient installation, replacement and adjustment operations, low Compression, high precision and maintenance-free performance.
  • An adjustable support is characterized in that it is mainly composed of a top plate, a top seat, a ball hinge, a stud, a stud base, a lock nut and a lock screw:
  • the stud base is a base with a base flange A cylindrical seat, the inner wall of the cylinder is provided with internal threads, the upper end surface of the cylinder is evenly provided with two or more screw holes, and the base flange is evenly provided with a plurality of positioning waist holes; the external thread of the stud and the stud base The internal thread is matched. According to this, the stud can be screwed into any height position of the base of the stud.
  • the upper end of the stud is provided with a recess in the center and the upper outer wall is provided with an adjustment socket.
  • the internal thread of the lock nut can be sleeved on
  • the lock nut is provided with a screw hole corresponding to the screw hole of the base of the stud, which can be used for the screw-lock connection of the lock bolt;
  • Tee -the lower tee is placed in the center of the upper end of the stud [ 1 ′′ 1 cavity, the crown of the upper tee is placed in the ball bowl of the lower tee to form a ball hinge; Said that the top plate is placed on the top seat;
  • the upper ball seat and the lower ball seat are inlaid with a high wear-resistant self-lubricating material
  • the stud is a hollow stud
  • a bottom plate is also provided, and a cylindrical head welding nail and a corresponding positioning screw hole are welded on the lower surface of the bottom plate, and the stud base is connected with the bottom plate through a positioning waist hole of the bottom plate and a positioning screw hole of the bottom plate with a high-strength bolt;
  • the bottom plate and the top plate are square or rectangular;
  • An upper sliding plate made of a stainless steel plate fixedly connected to the top plate and a lower sliding plate made of a low compression wear-resistant self-lubricating material are arranged between the top plate and the top seat, so that the two-way between the top plate and the base is bidirectional. Exercise is more convenient and flexible;
  • the two sides of the bottom surface of the top plate form convex edges, and the cross-section of the bottom surface has a ⁇ shape.
  • the top seat, the upper sliding plate, and the lower sliding plate are nested therein, so that the top plate forms a one-way movable shape relative to the top seat. Too.
  • the bottom plate also has a screw sleeve between the positioning screw hole and the high-strength bolt.
  • the outer wall of the screw sleeve is provided with an external thread to match the internal thread of the positioning screw hole, and the inner wall of the screw sleeve is provided with an internal thread, and the high-strength bolt Matching external threads;
  • the top plate and the top seat are respectively provided with corresponding screw holes which can be connected by screws.
  • the adjustable track beam support of the present invention has the following advantages:
  • the spiral structure is introduced into the structure of the base of the support, and the support is designed as a separable stud and a base of the stud.
  • the height of the support can be adjusted steplessly within a certain range in the vertical direction. Therefore, when modern high-speed track lines such as magnetic levitation are operated for a period of time, and due to the geological influence, the unevenness of the lower structure will cause the track structure to be corrected to an accurate position through the above-mentioned stepless height adjustment structure of the support.
  • the support can be locked by the vertical height-adjusting locking device.
  • the present invention creatively applies a lock nut and uses a lock screw to lock the lock.
  • the compression between the tightening nut and the stud base, and the direction of the compression force is specially considered in the design.
  • the direction of the superstructure pressure supported by the support is the same. Therefore, only a small compression force can be used to ensure the support of the support.
  • the height adjustment device will not be loosened by the impact vibration of the vehicle, etc .;
  • the invention adopts a structural solution in which the stud and the ball hinge are separated from each other to make the support structure more reasonable.
  • the processing difficulty is reduced and the processing efficiency is improved.
  • the stud and the ball hinge part can be manufactured by using appropriate materials, which reduces the cost. When some parts are damaged after several years of use, some parts can be easily replaced without having to replace the entire support, thus reducing maintenance costs;
  • This structure enables the support of the present invention to meet the needs of the curve of the line, and meets the requirements of a certain angle of rotation in the plane of the vertical curve or the plane of the horizontal curve without obliquely placing the entire support.
  • the angular deflection error caused by the manufacturing error of the track beam and the substructure can also be eliminated by the ball hinge structure A during installation. Therefore, the requirements for the accuracy of the line structure and the accuracy of the mounting of the support are reduced;
  • the present invention adopts a structure in which a horizontal sliding surface is placed on the ball seat portion of the ball hinge.
  • the advantage is that the sliding surface of the unidirectional or bidirectional sliding support can be kept parallel to the bottom of the track beam without having to tilt the support seat.
  • the two adjacent beam ends always maintain a flat joint.
  • it is necessary for locomotives of modern high-speed rail transit systems such as magnetic levitation to pass at high speed.
  • this advantage is not available in other bearings that place the horizontal sliding surface below the lower tee;
  • the invention uses low compression and high wear-resistant self-lubricating materials between the ball hinge and the plane friction surface, which avoids direct metal-to-metal friction and reduces the material selection requirements of the friction pair, which can meet The requirements of high-speed rail transit system for low compression deformation and long life of the line.
  • the adjustable support of the present invention can indeed perform stepless adjustment in vertical and horizontal directions, and is convenient for installation, replacement and adjustment, and has low compression, high accuracy, and maintenance-free performance. It can meet the needs of correcting the deviation caused by various uniform or uneven settlements of the substructure of the track line structure.
  • This adjustable support makes it possible to construct high-precision rail transit systems, especially magnetic levitation rail systems, under complex geological conditions.
  • FIG. 1 is a schematic diagram of a half-section structure of Embodiment 1 of the present invention
  • FIG. 2 is a schematic cross-sectional structure view taken along AA in FIG. 1.
  • FIG. 3 is a schematic cross-sectional structure view taken along BB of FIG. 1.
  • FIG. 4 is a schematic diagram of a half-section structure of Embodiment 2 of the present invention.
  • FIG. 5 is a schematic diagram of a half-section structure of Embodiment 3 of the present invention.
  • FIG. 1, FIG. 2 and FIG. 3 are respectively a schematic diagram of a half-section structure, an AA cross-section structure, and a BB cross-section structure of Embodiment 1 of the present invention, as shown in the present invention.
  • An adjustable support is mainly composed of a top plate 1, a top seat 2, a ball hinge 3, a stud 4, a lock nut 5, a stud base 6, and a bottom plate 7:
  • the stud base 6 is a cylindrical seat with a base flange 64 at the bottom.
  • the inner wall of the barrel is provided with internal threads 61.
  • the upper end surface of the barrel is evenly provided with two or more screw holes 62, and the base flange 64 is evenly provided.
  • the external thread 43 of the stud 4 is matched with the internal thread 61 of the stud base 6, so that the stud 4 can be screwed into any height position of the stud base 6, and a cavity 41 is provided in the center of the upper end of the stud 4,
  • the upper outer wall is provided with an adjustment jack 42;
  • the internal thread of the lock nut 5 can be rotatably sleeved on the external thread 43 of the stud 4.
  • the lock nut 5 is provided with a screw hole 51 corresponding to the screw hole 62 of the base 6, and the lock screw 52 can be rotated.
  • the circular dimple 21 in the middle of the bottom surface of the top seat 2 is fitted with an upper ball seat 31, and the lower ball seat 32 is placed in a cavity 41 in the center of the upper end of the stud 4.
  • the ball of the upper ball seat 31 The crown is placed into the ball bowl of the lower tee 32 to form a ball hinge 3;
  • the top plate 1 is placed on the top seat 2.
  • a bottom plate 7 is further provided below the stud base 6.
  • a plurality of cylindrical head welding nails 76 are welded on the lower surface of the bottom plate 7 and the surroundings are positioned corresponding to the positioning waist holes 63 on the base flange 64 of the stud base 6.
  • a screw hole 71, the stud base 6 is connected to the base plate 7 through a positioning screw hole 71 of the positioning waist hole 63 and the bottom plate 7 with a high-strength bolt 75;
  • the bottom plate 7 and the top plate 1 are both square or rectangular;
  • the upper ball seat 31 and the lower ball seat 32 are inlaid with a high wear-resistant self-lubricating material 33;
  • the stud 4 is a hollow stud
  • a screw sleeve 72 is sleeved between the positioning screw hole 71 of the bottom plate 7 and the high-strength bolt 75.
  • the outer wall of the screw sleeve 72 is provided with an external thread 73 to match the internal thread of the positioning screw hole 71, and the inner wall of the screw sleeve 72 is provided with With internal thread 74, matching with external thread of high-strength bolt 75;
  • the top plate 1 and the top seat 2 are respectively provided with corresponding screw holes 12 and 23, so that the support of the present invention maintains an integrated relationship during transportation and installation. After installation, the screws can be removed to enter the working state.
  • FIG. 4 is a schematic diagram of a half-section structure of an adjustable track beam bidirectional movable support in Embodiment 2 of the present invention Compared with FIG. 1, the main difference between FIG. 4 and FIG. 1 is that an upper sliding plate 11 made of a stainless steel plate fixedly connected to the top plate 1 is also provided between the top plate 1 and the top plate 2, and the top plate 2
  • the lower sliding plate 22 made of the above low compression wear-resistant self-lubricating material makes the two-way movement between the top plate 1 and the top seat 2 more convenient.
  • Fig. 5 is a schematic diagram of a half-section structure of an adjustable track beam unidirectional movable support according to Embodiment 3 of the present invention.
  • the main difference between FIG. 5 and FIG. 4 is that the two sides of the bottom surface of the top plate 1 form convex edges, and the cross section has a ⁇ shape.
  • the top seat 2 and the upper slide plate 11 and the lower slide plate 22 are nested therein. , So that the top plate 1 forms a one-way movable state with respect to the top seat 2.
  • the adjustable track beam support of the present invention can be regarded as being composed of the following systems ⁇
  • Vertical height adjustment and locking system It consists of a stud base 6, a bolt 4, a lock nut 5, and a compression screw 52 of the support.
  • the stud base 6 is internally processed with an internal thread 61, together with the stud 4. Form a device that can be adjusted steplessly in the vertical direction. After adjusting to the required height, the vertical adjustment system can be locked by using the locking screw 52 between the lock nut 5 and the stud base 6;
  • Ball hinge system It consists of upper ball seat 31 and lower ball seat 32.
  • a low compression deformation and high wear-resistant self-lubricating material 33 is inlaid between the upper ball seat 31 and the lower ball seat 32.
  • This device can adjust the vertical line of the line Or the angle of the support caused by the ultra-high horizontal curve can also adjust the angular deviation caused by the manufacturing error of the track beam or the substructure cover beam;
  • Leveling system consists of stud base 6, lower bottom plate 7, high-strength bolt 75. Adopt the structure that the stud base 6 is separated from the lower bottom plate 7, pre-open the waist holes 63 in the stud base 6, and then connect the stud base 6 and the bottom plate 7 with high-strength bolts 75.
  • the bolt 75 can be loosened, the stud base 6 is moved to the appropriate position to the side, and then the bolt 75 is locked to achieve the function of the lateral adjustment of the support;
  • Horizontal friction pair It consists of upper sliding plate 11 and lower sliding plate 22, where upper sliding plate 11 is stainless steel plate welded or riveted on top plate 1, and lower sliding plate 22 is wear-resistant and self-lubricating with a low compression. material.
  • the friction pair formed by adopting the structure can realize the requirements of low compression deformation, high abrasion resistance and long service life of the support of the modern high-speed rail transit system.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Hinges (AREA)
  • Vibration Prevention Devices (AREA)
  • Bearings For Parts Moving Linearly (AREA)

Description

可调式支庳 技术领域
本发明涉及可调式支座, 特别是一种用于高架道路梁、 有轨^辆轨道梁 和磁悬浮铁路轨道梁的可调式支座。 技术背景
轨道梁等结构的两端设有支座, 该轨道梁在安装和维护时都需要进行校 止:和调整, 这种校正和调整通过轨道梁支座的调整来实现, 通常采用在支 下摆的调整套孔与支座底板的抗剪榫之间插入填塞钢板和楔形钢板来调整轨 道支座的安装位置, 釆用上述方法调整存在着操作不便, 费工费钱, 调整不 准确和调整过量时无法退楔的缺点。
由于磁悬浮列车等现代高速轨道交通系统在高速运行时, 系统对线路结 构有异常高的精度要求, 要求线路在荷载、 温差等影响因素的作用下的变形 控制在很小的范围内。 而磁悬浮列牢等现代高速轨道交通系统在 速运行时 的荷载, 包括上部结构自身的重量均是通过支座再传递给下部结构的。 M时 支座本身由于受力和温度等作用所引起的变形或位移作为线路本身的 部分 和轨道梁结构的变形或位移叠加累积在线路上对轨道交通的高速运行产^不 利影响。 这些微小的变形和移位, 对于传统的桥梁等结构是不成问题的。 似 对现代高速交通的有轨车辆的行驶轨道而言, 特别是磁悬浮轨道中, 这 较 小的变形会影响列车的高速运行。 同时由于轨道结构的下部结构在 力的作 用下, 随着时间的推移而产生的基础沉降是不可避免的, 尤其是在软土地基 条件下, 这种沉降会更大, 而下部结构沉降尤其是两相邻墩之间的不均匀沉 降引起的上部轨道结构移位和错位, 对于象磁悬浮列车这类高速轨道交通系 统来说是绝对不允许的。 在列车运行-一段时间后, 当发生超过机车系统允许 的过大的线路变形和沉降变位, 往往要通过支座的调整来纠正。 这就是说, 轨道交通, 特别是磁悬浮列车等现代高速轨道交通系统对轨道梁支座提出了 更高的要求 发明内容
本发明要解决的技术问题是要克服上述已有技术的不足, 提供- -种可 调式支座, 该支座应具有在竖向和横向能无级调节, 安装、 更换和调整操作 方便, 低压缩、 高精度和免维护的性能。
本发明的技术解决方案如下:
一种可调式支座, 其特征在于它主要由顶板、 顶座、 球铰、 螺柱、 螺柱 底座、锁紧螺母和锁紧螺钉构成: 该螺柱底座是一底带有底座法兰的筒形座, 筒内壁设有内螺纹, 其筒上端面均匀地设有两个以上的螺钉孔, 底座法兰均 匀地设有多个定位腰孔; 该螺柱的外螺纹与螺柱底座的内螺纹相配, 依此, 螺柱可旋入螺柱底座的任一高度位置, 该螺柱上端中央设有凹腔, 上部外壁 设有调节插孔; 该锁紧螺母的内螺纹可旋套在螺柱的外螺纹上, 该锁紧螺母 设有与螺柱底座的螺钉孔相对应的螺钉孔, 可供锁紧螺栓旋锁连结; 该顶座 底面中部的圆形凹坑正好嵌卡一上球座, - 下球座置放在螺柱上端中央的 [1「1 腔中, 所说的上球座的球冠置入与之相配的下球座的球碗中, 形成球铰; 所 说顶板放在顶座之上;
所说的上球座与下球座之间镶嵌有高耐磨自润滑材料;
所说螺柱为中空螺柱;
还设有底板, 底板下表面焊有圆柱头焊钉和相应的定位螺孔, 所说螺柱 底座用高强螺栓通过底板的定位腰孔和底板的定位螺孔与底板连接;
所说的底板和顶板均为方形或长方形;
所说的顶板和顶座之间还设有与顶板固定连接的不锈钢板制成的上滑动 板和用低压缩的耐磨自润滑材料制成的下滑动板, 使顶板与底座之间的双向 运动更方便灵活;
所说的顶板的底面两边形成凸边, 该底面的其断面具有 π形状, 将所说 顶座及上滑动板和下滑动板都嵌套其内, 使顶板相对顶座形成单向活动状 太.
所说的底板的定位螺孔与高强螺栓之间还套有螺套, 该螺套的外壁设有 外螺纹与定位螺孔的内螺纹相配, 而螺套的内壁设有内螺纹, 与高强螺栓的 外螺纹相配;
所述顶板和顶座分别设有可用螺钉连接的相对应的螺孔。
本发明的可调式轨道梁支座与现有技术相比, 具有下列优点:
1 . 将螺旋式结构引入支座底座的构造中, 将支座设计成可分离的螺柱 与螺柱底座两部分。 通过螺栓与螺柱底座之间的旋转达到支座在竖向一定范 围内可无级调整高度的目的。 因此, 当磁悬浮等现代高速轨道线路在运行一 段时间后, 受地质影响, 下部结构出现不均勾沉降后, 即可通过支座的上述 无级调高结构, 将轨道线路纠正到准确的位置。 在螺柱上有若干调节插孔, 在调整时, 只要将调节把手塞入调节插孔即可方便地转动螺柱, 将支座调整 到所需高度;
2. 当支座在竖向调整完毕后, 可通过竖向调高的锁定装置, 将支座锁 定, 本发明在设计该锁定构造时创造性地应用了锁紧螺母, 并采用锁紧螺钉 将锁紧螺母与螺柱底座之间压紧, 并在设计时特别考虑了压紧力的方向与支 座所承受的上部结构压力方向一致, 因此只要采用较小的压紧力即可确保支 座的调高装置不会受车辆等的冲击振动等影响而松动;
3. 本发明采用调高的螺柱与球铰相分离的结构方案, 使支座结构更趋 合理。 降低了加工难度, 提高了加工效率。 并且使螺柱与球铰部分可各 [^选 用合适的材料进行制造, 降低了成本。 当使用若干年后一部分出现损坏时, 可方便地将部分零件进行更换, 而不必将整个支座换掉, 因此还可降低维修 成本;
4. 采用支座底座与底板相分离的构造, 并结合螺柱底座上的腰孔与底 板用螺栓相连接, 可调整线路因下部结构的不均匀沉降等因素发生的侧向移 位。 当列车运行一段时间后, 若发现个别线路段发生侧向位移, 可将螺栓松 动, 将支座的底部作侧向移动调整到位后, 再将底座与底板螺栓锁紧; 5 . 由支座的上下球座构成的球铰构造, 使支座在下底板保持水平, 座 身保持垂直的前提下, 其上顶板和支座滑移面部分在一定范围内可旋转任意 角度。 这一构造, 使本发明的支座可顺应线路曲线的需要, 满足在竖曲线平 面或横曲线平面内一定的转角要求, 而无需将整个支座斜放。 同时因轨道梁 及下部结构的制造误差引起的角度偏转误差也可在安装时通过本球铰构造 A 动消除。 因此降低了对线路结构精度和支座安装精度的要求;
6. 本发明采用将水平滑移面置于球铰上球座部分的构造。 其优点在于 无需将支座座身斜置, 就可保持单向或双向滑动支座的滑移面始终与轨道梁 梁底平行。 当轨道梁因温度引起胀縮时, 两相邻梁端之间始终保持平接。 保 证这一接头部分的平顺是对象磁悬浮等现代高速轨道交通系统的机车在高速 通过时必须的。 而这一优点是其他将水平滑移面置于下球座以下的支座所不 具备的;
7. 为了保证两相邻轨道梁对接接头的平顺, 在以往的支座安装时, 采 用支座斜置的方法, 来保证滑移面与轨道梁的梁底平行。 但这种措施带来的 不利因素是: 使精确地调整因下部结构沉降引起的线路错位变得非常困难。 因为一般情况下, 下部结构因地质原因引起的沉降总是垂直向下的。 而斜放 的支座调高一般只能沿着支座的中线方向, 也即支座的斜置方向, 两者之间 存在一定的夹角。 因此造成线路通过支座调高校正了其垂直方向的偏差后, 又带来了水平方向的偏差, 而本发明就克服了这一困难;
8. 本发明在球铰和平面的摩擦面之间均采用了低压缩、 高耐磨的自润 滑材料, 避免了金属与金属之间的直接摩擦, 也降低了摩擦副的选材要求, 可满足高速轨道交通系统对线路低压缩变形、 长寿命使用的要求。
综上所述, 本发明可调式支座, 确实能在竖向和横向进行无级调节, 安 装、 更换、 调整操作方便, 具有低压缩、 高精度、 免维护的性能。 它能适应 补偿轨道线路结构因下部结构各种均匀或不均匀沉降而引起的纠偏需要。 这 种可调式支座使在复杂地质条件下修建高精度轨道交通系统尤其是磁悬浮轨 道系统成为可能。 附图说明
图 1是本发明实施例 1的半剖结构示意图
图 2是图 1的 AA剖视结构示意图。
图 3是图 1的 BB剖视结构示意图。
图 4是本发明实施例 2的半剖结构示意图
图 5是本发明实施例 3的半剖结构示意图
图中:
1—顶板 5—锁紧螺母
11一上滑动板 51—螺钉孔
12—螺孔 52—锁紧螺钉
2—顶座 6—螺柱底座
21—底面圆形凹坑 61—内螺纹
22—下滑动板 62—螺孔
23—螺孔 63—定位腰孔
3—球铰 64—底座法兰
31—上球座 7—底板
32—下球座 71—定位螺孔
33—高耐磨自润滑材料 72—螺套
4一螺柱 73—外螺紋
41一凹腔 74—内螺紋
42—调节插孔 75—高强螺栓
43—外螺纹 76—圆柱头焊钉 实施例
图 1、 图 2和图 3分别为本发明实施例 1——可调式固定支座的半剖结 构示意图、 AA剖视结构示意图和 BB 剖视结构示意图, 如图所示, 本发明 一种可调式支座, 主要由顶板 1、 顶座 2, 球铰 3、 螺柱 4、 锁紧螺母 5、 螺 柱底座 6、 底板 7构成:
该螺柱底座 6是一底带有底座法兰 64的筒形座, 筒内壁设有内螺纹 61, 其筒上端面均匀地设有两个以上的螺孔 62, 底座法兰 64均匀地设有多个定 位腰孔 63 ;
该螺柱 4的外螺纹 43与螺柱底座 6的内螺纹 61相配, 依此, 螺柱 4可 旋入螺柱底座 6 的任一高度位置, 该螺柱 4上端中央设有凹腔 41, 上部外 壁设有调节插孔 42;
该锁紧螺母 5的内螺紋可旋套在螺柱 4的外螺紋 43上, 该锁紧螺母 5 设有与底座 6的螺钉孔 62相对应的螺钉孔 51, 可供锁紧螺钉 52旋锁连结; 该顶座 2底面中部的圆形凹坑 21 正好嵌卡一上球座 31, 一下球座 32 置放在螺柱 4上端中央的凹腔 41中, 所说的上球座 31的球冠置入与之相配 的下球座 32的球碗中, 形成球铰 3 ;
所说顶板 1放在顶座 2之上。
所说螺柱底座 6之下还设有底板 7, 底板 7下表面焊有多根圆柱头焊钉 76和周边设有与螺柱底座 6的底座法兰 64上的定位腰孔 63相应的定位螺 孔 71, 所说螺柱底座 6用高强螺栓 75通过定位腰孔 63和底板 7的定位螺 孔 71与底板 7连接;
所说的底板 7和顶板 1均为方形或长方形;
所说的上球座 31与下球座 32之间镶嵌有高耐磨自润滑材料 33 ;
所说螺柱 4为中空螺柱;
所说底板 7的定位螺孔 71与高强螺栓 75之间还套有螺套 72,该螺套 72 的外壁设有外螺纹 73与定位螺孔 71 的内螺紋相配, 而螺套 72的内壁设有 内螺纹 74, 与高强螺栓 75的外螺纹相配;
所述顶板 1和顶座 2分别设有相对应的螺孔 12和 23, 使本发明支座在 运输和安装过程中保持一体关系, 安装好后, 卸下螺钉, 即可进入工作状态。
图 4是本发明实施例 2——可调式轨道梁双向活动支座的半剖结构示意 图, 图 4和图 1相比, 最主要的区别是在所说顶板 1和顶座 2之间还设有与 顶板 1 固定连接的不锈钢板制成的上滑动板 11, 及在顶座 2之上的低压缩 耐磨自润滑材料制成的下滑动板 22, 使顶板 1 和顶座 2之间的双向运动更 方便。
图 5是本发明实施例 3——可调式轨道梁单向活动支座的半剖结构示意 图。 图 5和图 4相比, 主要区别在于所说的顶板 1的底面两边形成凸边, 其 断面具有 π形状, 将所说顶座 2及上滑动板 11和下滑动板 22都嵌套其内, 使顶板 1相对于顶座 2之间形成单向活动状态。
如果从功能来说, 本发明的可调式轨道梁支座可看成是由下列系统构成 的-
1. 竖向调高及锁定系统: 由支座的螺柱底座 6, 螺栓 4, 锁紧螺母 5及 压紧螺钉 52组成, 螺柱底座 6内腔加工有内螺纹 61, 与螺柱 4一起构成可 在竖向无级调高的装置, 当调整到所需高度后, 可采用在锁紧螺母 5与螺柱 底座 6之间的锁紧螺钉 52将竖向调高系统锁定;
2. 球铰系统: 由上球座 31和下球座 32组成, 在上球座 31与下球座 32 之间镶嵌有低压缩变形高耐磨自润滑材料 33, 该装置可调节线路竖向或横 向曲线超高引起的支座转角, 也可调节因轨道梁或下部结构盖梁的制作误差 引起的角度偏差;
3. 水平调整系统: 由螺柱底座 6、 下底板 7、 高强螺栓 75组成。 采用 螺柱底座 6与下底板 7相分离的构造, 在螺柱底座 6中预开定位腰孔 63, 再用高强螺栓 75将螺柱底座 6与底板 7连接起来。 当需要支座作侧向调整 时, 可将螺栓 75松开, 向侧面移动螺柱底座 6至合适的位置, 再将螺栓 75 锁紧, 即可实现支座侧向可调的功能;
4. 水平磨擦副: 由上滑动板 11及下滑动板 22组成, 其中上滑动板 11 采用不锈钢板悍接或铆接在顶板 1 上, 下滑动板 22釆用一种低压缩的耐磨 自润滑材料。 采用本结构形成的磨擦副可实现现代高速轨道交通系统对支座 的低压縮变形、 高耐磨和长寿命使用的需要。

Claims

权利要求书
1. 一种可调式支座, 其特征在于它主要由顶板 (1)、 顶座 (2), 球铰 (3)、 螺柱 (4)、 锁紧螺母 (5)、 螺柱底座 (6) 和锁紧螺钉 (52) 构成: 该螺柱底座 (6) 是一底带有底座法兰 (64) 的筒形座, 筒内壁设有内 螺纹 (61), 其筒上端面均匀地设有两个以上的螺孔 (62), 底座法兰 (64) 均匀地设有多个定位腰孔 (63);
该螺柱 (4) 的外螺纹 (43) 与螺柱底座 (6) 的内螺纹 (61) 相配, 依 此, 螺柱 (4) 可旋入螺柱底座 (6) 的任一高度位置, 该螺柱 (4) 上端中 央设有凹腔 (41), 上部外壁设有调节插孔 (42);
该锁紧螺母 (5) 的内螺紋可旋套在螺柱 (4) 的外螺纹 (43) 上, 该锁 紧螺母 (5) 设有与螺柱底座 (6) 的螺钉孔 (62) 相对应的螺钉孔 (51), 可供锁紧螺钉 (52) 旋锁连结;
该顶座 (2) 底面中部的圆形凹坑 (21) 正好嵌卡一上球座 (31), 一下 球座 (32) 置放在螺柱 (4) 上端中央的凹腔 (41) 中, 所说的上球座 (31) 的球冠置入与之相配的下球座 (32) 的球碗中, 形成球铰 (3);
所说顶板 (1) 放在顶座 (2) 之上。
2. 根据权利要求 1所述的可调式支座, 其特征在于所说的上球座 (31) 与下球座 (32) 之间镶嵌有高耐磨自润滑材料 (33)。
3. 根据权利要求 1所述的可调式支座, 其特征在于所说螺柱 (4) 为中 空螺柱。
4. 根据权利要求 1 所述的可调式支座, 其特征在于还设有底板 (7), 底板 (7) 下表面焊有圆柱头焊灯 (76) 和相应的定位螺孔 (71), 所说螺柱 底座(6)用高强螺栓(75)通过定位腰孔(63)和底板(7)的定位螺孔(71) 与底板 (7) 连接。
5. 根据权利要求 4所述的可调式支座, 其特征在于所说的底板 (7) 和 顶板 (1) 均为方形或长方形。
6. 根据权利要求 5所述的可调式支座, 其特征在于所说的顶板 (1) 和 顶座 (2)之间还设有与顶板(1) 固定连接的不锈钢板制成的上滑动板(11) 和低压缩的耐磨自润滑材料制成的下滑动板 (22)。
7. 根据权利要求 6所述的可调式支座, 其特征在于所说的顶板 (1) 的 底面两边形成凸边, 底面的断面具有 π形状, 将所说顶座 (2) 及上滑动板
(11) 和下滑动板 (22) 都嵌套其内, 使顶板 (1) 相对顶座 (2) 形成单向 活动状态。
8. 根据权利要求 4所述的可调式支座, 其特征在于所说的底板 (7) 的 定位螺孔 (71) 与高强螺栓 (75) 之间还套有螺套 (72), 该螺套 (72) 的 外壁设有外螺纹 (73) 与定位螺孔 (71) 的内螺纹相配, 而螺套 (72) 的内 壁设有内螺纹 (74), 与高强螺栓 (75) 的外螺纹相配。
9. 根据权利要求 1或 2或 3或 4或 5或 6或 7或 8所述的可调式支座, 其特征在于所述顶板(1)和顶座(2)分别设有相对应的螺孔(12)和(23)。
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CN112731976A (zh) * 2020-12-18 2021-04-30 中国航空工业集团公司北京航空精密机械研究所 角度微调机构和微调方法
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EP1424447A1 (en) 2004-06-02
US7207721B2 (en) 2007-04-24
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DE60226618D1 (de) 2008-06-26
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