WO2018157711A1 - 高速铁路crtsⅲ型无砟轨道板成型模具及脱模装置 - Google Patents

高速铁路crtsⅲ型无砟轨道板成型模具及脱模装置 Download PDF

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Publication number
WO2018157711A1
WO2018157711A1 PCT/CN2018/075608 CN2018075608W WO2018157711A1 WO 2018157711 A1 WO2018157711 A1 WO 2018157711A1 CN 2018075608 W CN2018075608 W CN 2018075608W WO 2018157711 A1 WO2018157711 A1 WO 2018157711A1
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WIPO (PCT)
Prior art keywords
lifting
rail
upper strut
plate forming
mold
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PCT/CN2018/075608
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English (en)
French (fr)
Inventor
王朝林
张正宁
史立
柴凤建
毕胜
徐忠勇
屈鹏飞
隋斌
张正彪
薛长艳
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山西高行液压股份有限公司
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Application filed by 山西高行液压股份有限公司 filed Critical 山西高行液压股份有限公司
Publication of WO2018157711A1 publication Critical patent/WO2018157711A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/0002—Auxiliary parts or elements of the mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
    • B28B13/04—Discharging the shaped articles
    • B28B13/06—Removing the shaped articles from moulds
    • B28B13/065—Removing the shaped articles from moulds by applying electric current or other means of discharging, e.g. pneumatic or hydraulic discharging means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/0029—Moulds or moulding surfaces not covered by B28B7/0058 - B28B7/36 and B28B7/40 - B28B7/465, e.g. moulds assembled from several parts

Definitions

  • the invention relates to a mould for reinforced concrete forming, which is used for casting and forming CRTSIII rail plate of high-speed railway, in particular to a high-speed railway CRTSIII rail plate forming mould, and the invention relates to a high-speed railway CRTSIII A demoulding device for a type of track plate mold.
  • the high-speed railway ballastless track plate of the prior art is produced by the pretensioning method, and the steel bar tensioning is required before the pouring, and the strong tensile force causes a certain stress deformation on the track plate mold, which will seriously affect the quality of the ballastless track plate, and at the same time
  • the track plate mold has a high frequency of recycling, and after a certain period of time, the track plate mold will be permanently deformed and caused to be scrapped.
  • the current method is to provide a support rod in the lower part of the bottom mold to offset the stress generated by the tensioning process, but this method is not limited, and it is not enough to completely eliminate the hidden danger of stress.
  • a high-speed railway CRTSIII type ballastless track plate forming die comprising a bottom mold, two end molds and two side molds detachably connected to the bottom mold, wherein the two side molds are symmetric
  • An upper strut seat is fixed, and an upper strut is disposed, and two ends of the upper strut are respectively connected with two symmetric upper strut seats.
  • the high-speed railway CRTSIII type track plate forming die is characterized in that: four upper strut seats are respectively arranged on the two side molds, and four upper struts corresponding to the upper strut seat are four, The upper strut is detachably fixedly coupled to the upper strut mount.
  • the high-speed railway CRTSIII type ballastless track plate forming mold is characterized in that the inner side of the upper strut seat is provided with a lifting rail having a lower height than the upper strut, and one end of the lifting rail is hingedly connected with the side end of the side mold.
  • the high-speed railway CRTSIII type ballastless track plate forming mold is characterized in that two lifting rails are symmetrically arranged on the two side molds, and one ends of the two lifting rails are hingedly fixed to the side molds respectively. Both ends.
  • the high-speed railway CRTSIII type ballastless track plate forming mold is characterized in that the two end molds are provided with upper strut grooves.
  • the high-speed railway CRTSIII type ballastless track plate forming mold is characterized in that the lower part of the bottom mold is provided with a lower strut corresponding to the fixed position of the upper strut.
  • a demoulding device for a high-speed railway CRTSIII type ballastless track plate forming mold comprising two horizontal beams and a lifting beam connecting two horizontal beams, the end side of the horizontal beam is fixed on the top of the lifting support, and the characteristics thereof
  • the lifting beam is provided with a lifting device, and the lifting beam is further provided with a lifting device.
  • the demolding device dedicated to the high-speed railway CRTSIII type ballastless track plate forming mold is characterized in that the rail lifting device comprises a piston rod downward lifting rail cylinder, and the rod end of the lifting rail cylinder is fixed A corner device, wherein the lower part of the corner is fixed with a lifting block by a lifting rod.
  • the high-speed railway CRTSIII type ballastless track plate forming mold of the invention has the upper strut seat and the corresponding upper strut on the side mold, which can completely offset the deformation stress on the side mold during the tensioning process, thereby eliminating the scratch of the bottom mold.
  • the bending stress ensures the quality of the track plate production and also avoids the permanent deformation of the mold during the recycling process.
  • the demoulding device for the high-speed railway CRTSIII type ballastless track plate forming mold of the invention can quickly push the upper strut into the groove of the two side end molds through the rail raising device, and the structure is simple and convenient to use.
  • Figure 1 is a schematic view of a mold structure
  • Figure 2 is a schematic view of the rail lifting device in place
  • Figure 3 is a schematic view of the completion state of the lifting operation
  • FIG. 4 is a schematic view showing a state in which a side mold and a side mold and a bottom mold are separated;
  • Figure 5 is a schematic structural view of a demolding device
  • Figure 6 is a schematic view showing the state in which the demolding device and the mold are in place
  • Fig. 7 is a schematic view showing the structure of a rail lifting device using an electromagnet device.
  • the high-speed railway CRTSIII type ballastless track plate forming mold of the invention can be used for the production line of the type III pre-tension track plate water machine, the mold body comprises a bottom mold 1, and two end molds 2 and two corresponding to the four peripheral portions of the bottom mold respectively a side mold 3, wherein the two end molds and the two side molds and the bottom mold are detachably connected, and the end mold and the end mold bottom are provided with end/side mold separating members matched with the demolding device, The bottom of the mold bottom mold is provided with a positioning pedestal.
  • upper upper strut seats 4 are symmetrically fixed on the upper platforms of the two side molds 3, and four upper strut seats on the same side mold are also symmetrically disposed with respect to the center of the side molds, and the upper strut
  • the two ends of the 6 are respectively connected to the two upper strut mounts.
  • the bolt connection method is adopted, and other methods may be used in actual use, such as a connection structure for facilitating connection and disassembly, such as the snap ring and the card seat.
  • a lifting rail 5 is disposed inside the upper strut seat, and the height of the lifting rail is lower than the lower strut position of the upper strut.
  • the lifting rails can be arranged in a single support, that is, a lifting rail is respectively arranged on the two side molds.
  • a lifting rail is respectively arranged on the two side molds.
  • symmetric double-branch is used, that is, two lifting rails of the same length are symmetrically arranged on the two side molds, and two lifting rails are respectively arranged.
  • One end of each of the side molds is fixed to the hinge base 7 at one end. The other end is centered in the middle of the side mold.
  • a special lifting device on the demoulding device such as an electromagnetic suction device or an earring device, may be used.
  • a lifting plate 9 is welded to the lifting rail lifting end, and the lifting rails are provided between the two lifting rails.
  • the upper end molds are provided with upper strut grooves 8.
  • a lower strut 11 is further disposed at a position corresponding to the upper strut seat at the lower portion of the bottom mold.
  • the rectangular lifting block enters between the two lifting rails by the above-mentioned passage and rotates 90 degrees so that the long axis direction of the lifting rail block corresponds to the upper lifting plate, and the rail lifting device will rise two.
  • the lifting track is raised by an angle of about 3-5 degrees.
  • the demoulding device for the high-speed railway CRTSIII type ballastless track plate forming mold of the present invention belongs to one of the supporting equipments of the pre-tension track plate water-flow unit production line, and corresponds to four working positions of the track plate mold.
  • the lifting brackets 12 are respectively fixed on the outer sides of the rails 10, and the beams 13 on the same side of the two end moulds 2 are fixed on the top ends of the corresponding two lifting brackets.
  • the lifting beam 14 is fixed in the middle of the two beams.
  • a lifting device 18 and a balancing device 17 are mounted on the lifting beam.
  • a railing device 16 is designed, which includes a piston end downwardly facing rail cylinder 19, which is fixedly connected with the piston rod end.
  • the hydraulic angler 20 has a lifting rod fixed at a lower portion of the cornering device, and the lifting rail block 21 is fixed at the end of the lifting rod.
  • the rail lifting device has two totals, which are respectively installed at the two ends of the rail lifting arm 15 .
  • the rail lifter 15 is horizontally fixed in the center of the hoisting beam and is horizontally perpendicular to the hoisting.
  • Another preferred embodiment of the present invention is a rail lifter using an electromagnetic device.
  • two electromagnets 22 are fixed at the rod end of the lift cylinder to correspond to the ends of the two lift rails, respectively.
  • the power is turned on, the electromagnet is energized to generate magnetic force and the lifting rail is sucked, and the piston rod of the lifting cylinder 19 is contracted to lift the rail on one side, and the piston rod is lowered after the operation is completed, and the rail is reset.
  • Turn off the power the electromagnet loses power, the magnetic force disappears, and the cylinder rod is reset.
  • the track plate mold and the track plate are in position, and the fixing bolts between the upper strut and the upper strut seat 4 are loosened, and the side mold opening and closing devices corresponding to the two side molds 3 work first to pull the two side molds apart.
  • the upper strut is then dropped onto the lifting rail 5, the piston rod of the lifting cylinder is lowered, and the lifting rail 21 is fed into the space between the two lifting rails of the lower part of the lifting plate 9 through the lifting plate gap, and the hydraulic angler 20 works.
  • the rail block rotates by 90 degrees, the rectangular lifting rail block is in contact with the upper lifting plate 9 , and the lifting rail cylinder piston rod shrinking lifting rail block 21 and the lifting plate 9 lifts the lifting rail 5 to a certain height on one side, usually about 3-5 degrees. That is, the upper strut 6 on the lifting rail rolls down to the upper strut 8 in the upper part of the end mold.
  • the piston rod will then descend, the track will be reset, the hydraulic angler will work, the lift block will be reset, the piston rod will contract, and the lift block will be reset.
  • the railing is completed by a workflow. Then, the side mold opening and closing device corresponding to the end mold works to separate the two end molds from the bottom mold.
  • the demolding device operates to further separate the formed rail plate from the bottom mold.
  • the upper and lower struts are respectively arranged on the upper and lower sides of the bottom mold; the four upper struts and the four lower struts are vertically balanced and left and right balanced, and are supported between the two side molds, so that The tension of the tension steel bar acting on the two side molds is decomposed between the upper strut 3 and the lower strut 11 to reduce the stress deformation of the bottom mold 1.
  • the bottom surface of the bottom mold 1 is also symmetrically disposed with at least two end steel bars fixed to one end of the steel bar, and the other end is connected with a tension rod and a steel bar lock nut, by locking the lock nut of the steel rod. Adjust the end of the bottom mold 1 to bow warp.
  • the invention is also provided with a hydraulic system and a control system, all of which are well known in the art, and are not described in the application documents.

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  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Moulds, Cores, Or Mandrels (AREA)

Abstract

一种高速铁路CRTSⅢ型无砟轨道板成型模具，侧模（3）上对称固定有上撑杆座（4），上撑杆座（4）之间设置有上撑杆（6），上撑杆座（4）的内侧设置有提升轨道（5），该模具能够抵消张拉过程中侧模上的变形应力，消除底模的挠曲应力。还提供了一种专用于高速铁路CRTSⅢ型无砟轨道板成型模具的脱模装置，通过提轨器（16）可迅速将上撑杆（6）推向两侧端模(2)的上撑杆槽（8）内，其结构简单、使用方便。

Description

高速铁路CRTSⅢ型无砟轨道板成型模具及脱模装置 技术领域
本发明涉及一种用于钢筋混凝土成型的型模，用于高速铁路CRTSⅢ型轨道板浇注与成型，具体为一种高速铁路CRTSⅢ型轨道板成型模具，本发明还涉及一种适用于高速铁路CRTSⅢ型轨道板模具用的脱模装置。
 背景技术
现有技术的高速铁路无砟轨道板采用先张法生产，需要浇筑前进行钢筋张拉，强大的张拉力对轨道板模具造成一定的应力变形，会严重影响无砟轨道板的质量，同时由于轨道板模具循环使用频率较高，经一定时间后会使轨道板模具产生永久性变形导致报废。目前采用的方法是在底模下部设置支撑棒以抵消张拉过程产生的应力，但这种方法作用不限，不足以完全消除应力产生的隐患。
 技术问题
针对上述现有技术存在的问题，设计了一种高速铁路CRTSⅢ型无砟轨道板成型模具及与所述模具匹配的脱模装置。
 技术解决方案
一种高速铁路CRTSⅢ型无砟轨道板成型模具，包括底模、与所述底模可拆分连接的两个端模和两个侧模，其特征是所述的两个侧模上对称的固定有上撑杆座，设置有上撑杆，所述上撑杆的两端分别与对称设置的两个上撑杆座连接。
所述的高速铁路CRTSⅢ型轨道板成型模具，其特征是所述的两侧模上分别设置有四个上撑杆座，与所述上撑杆座对应的上撑杆为四支，所述的上撑杆与上撑杆座可拆分地固定连接。
所述的高速铁路CRTSⅢ型无砟轨道板成型模具，其特征是所述上撑杆座内侧设置有高度低于上撑杆的提升轨道，所述提升轨道的一端与侧模端部铰连接。
所述的高速铁路CRTSⅢ型无砟轨道板成型模具，其特征是所述两个侧模上对称地分别设置有两支提升轨道，所述两支提升轨道的一端分别铰接地固定在侧模的两端头。
所述的高速铁路CRTSⅢ型无砟轨道板成型模具，其特征是所述的两个端模上设置有上撑杆槽。
所述的高速铁路CRTSⅢ型无砟轨道板成型模具，其特征是所述的底模下部与上撑杆固定位置对应的设有下撑杆。
一种专用于高速铁路CRTSⅢ型无砟轨道板成型模具的脱模装置，包括两支水平横梁、连接两支水平横梁的起吊梁，所述水平横梁的端侧固定在升降支座顶端，其特征是所述的起吊梁上设置有起模装置，所述的起吊梁上还设置有提轨器。
所述的专用于高速铁路CRTSⅢ型无砟轨道板成型模具的脱模装置，其特征是所述的提轨器包括一个活塞杆向下的提轨油缸，所述提轨油缸的杆端固定有转角器，所述转角器下部通过一支提升杆固定有提轨块。
 有益效果
本发明的高速铁路CRTSⅢ型无砟轨道板成型模具，在侧模上设置上撑杆座及对应上撑杆，可完全抵消张拉过程中侧模上的变形应力，进而消除了底模的挠曲应力，保证了轨道板生产质量，同时也避免了模具在循环使用过程中产生的永久变形。本发明的专用于高速铁路CRTSⅢ型无砟轨道板成型模具的脱模装置，通过提轨器可迅速将上撑杆推向两侧端模的槽内，其结构简单，使用方便。
 附图说明
图1是模具结构示意图；
图2是提轨器就位示意图；
图3是提轨作业完成状态示意图；
图4是边模与侧模与底模分离状态示意图；
图5是脱模装置结构示意图；
图6是脱模装置与模具就位状态示意图；
图7是采用电磁铁装置的提轨器结构示意图。
图中，1-底模；2-端模；3-侧模；4-上撑杆座；5-提升轨道；6-上撑杆；7-铰接座；8-上撑杆槽；9-抬升板；10-轨道；11-下撑杆；12-升降支座；13-横梁；14-起吊梁；15-提轨器悬臂；16-提轨器；17-平衡装置；18-起模装置；19-提轨油缸；20-转角器；21-提轨块；22-电磁铁。
 本发明的实施方式
以下结合附图对本发明作详细说明。
本发明的高速铁路CRTSⅢ型无砟轨道板成型模具，可用于Ⅲ型先张轨道板流水机组生产线，该模具本体包括底模1，与底模四个周边分别对应的两个端模2和两个侧模3，其中两个端模与两个侧模与底模间为可拆分连接，在所述侧模与端模底部设置有与脱模装置匹配的端/侧模分离构件，所述模具底模的底部设置有定位台座。
图1所示，两个侧模3的上部平台上对称地固定有四对上撑杆座4，并且位于同一侧模上的四个上撑杆座亦相对侧模中心对称设置，上撑杆6的两端分别与两个上撑杆座连接，本实施例中采用了螺栓连接方式，实际使用中亦可采用其它方式，比如卡环与卡座匹配等方便连接与拆卸的连接结构。在上撑杆座内侧设置有提升轨道5，该提升轨道的高度低于上撑杆下边缘位置。提升轨道的一端铰接固定在侧模上，工作时该轨道可单边抬升。上述提升轨道可单支设置，即两侧模上分别设置一支提升轨道，本实施例采用对称双支设置，即两侧模上分别对称地设置两支长度相同的提升轨道，两支提升轨道的一端分别对应侧模的一个端头固定在铰接座7上。另一端对中设置在侧模中部。提升作业时，可采用脱模设备上的专用提升装置，如电磁吸合装置或设置耳环装置等，本实施例是将提升轨道抬升端焊接一个抬升板9，两支提升轨道之间有供提轨块转动的空间，两个抬升板之间有供提轨块进出的通道。所述的两个端模上设置有上撑杆槽8。在底模下部与上撑杆座对应位置还设置有下撑杆11。
如图2-3所示，抬升作业时，矩形提轨块由上述通道进入两支提升轨道之间并转动90度使提轨块长轴方向对应上部的抬升板，提轨器上升将两支提升轨道抬起约3-5度角。
图5-6所示，本发明的专用于高速铁路CRTSⅢ型无砟轨道板成型模具的脱模装置，属先张轨道板流水机组生产线配套设备之一，其对应轨道板模具作业位置的四个边角分别固定有位于轨道10外侧的升降支座12，两个端模2同侧的横梁13固定在其对应的两个升降支座顶端。起吊梁14固在两支横梁的中间位置。起吊梁上安装有起模装置18与平衡装置17，针对本发明的上撑杆装置自动分离，设计了提轨器16，其包括活塞端向下的提轨油缸19，与活塞杆端固定连接的液压转角器20，在转角器下部固定有一支提升杆，提轨块21固定在提升杆端部。该提轨器共计两支，分别安装在提轨器悬臂15的两端。提轨器悬臂15水平固定在起吊梁中央并与起吊当水平垂直。
本实用发明的另一个较佳实施例是采用电磁装置的提轨器，如图7所示，在提轨油缸杆端固定两个电磁铁22分别对应两个提升轨道的端头。当电磁铁下降与提升轨道接触后接通电源，电磁铁得电产生磁力与提升轨道吸合，提轨油缸19活塞杆收缩将提升轨道单边吸起，作业完成后活塞杆下降，提升轨道复位，关闭电源，电磁铁失电，磁力消失，油缸活塞杆复位。
工作时，轨道板模具暨轨道板就位，松开上撑杆与上撑杆座4间的固定螺栓，两个侧模3对应的边模开合装置率先工作将两个侧模拉开，上撑杆随之落到提升轨道5上，提轨油缸活塞杆下降，将提轨块21经抬升板间隙送入抬升板9下部两支提升轨道之间的空间，液压转角器20工作使提轨块转动90度角，矩形提轨块与其上部的抬升板9接触配合，提轨油缸活塞杆收缩提轨块21暨抬升板9将提升轨道5单边抬升一定高度，通常约3-5度即可，提升轨道上的上撑杆6滚动下滑至端模上部上撑杆槽8内。活塞杆再将下降，提升轨道复位，液压转角器工作，提轨块复位，活塞杆收缩，提轨块复位。提轨器一个工作流程完成。随后端模对应的边模开合装置工作，将两个端模与底模分离。脱模装置工作，进一步使成型轨道板与底模分离。
两个侧模与两个端模分离后状态如图4所示。
本发明在底模上、下分别对应地设置上撑杆与下撑杆；通过四个上撑杆、四个下撑杆上下均衡、左右均衡的布置，撑于两个侧模之间，使作用于两个侧模上的张拉钢筋拉力分解于上撑杆3、下撑杆11之间，减小了底模1的应力变形。所述底模1底面还对称设置有至少两根端向钢棒，该端向钢棒的一端固定，另一端连接有张拉杆及钢棒锁紧螺母，通过锁紧钢棒的锁紧螺母来调整底模1端向弓型翘曲。
本发明还配套有液压系统及控制系统均属本领域的公知技术，申请文件中不加赘述。

Claims (9)

  1. 一种高速铁路CRTSⅢ型先张轨道板成型模具，包括底模（1），与所述底模可拆分连接的两个端模（2）和两个侧模（3），其特征是所述的两个侧模上对称的固定有上撑杆座（4），设置有上撑杆（6），所述上撑杆（6）的两端分别与对称设置的两个上撑杆座连接。
  2. 根据权利要求1所述的高速铁路CRTSⅢ型先张轨道板成型模具，其特征是所述的两侧模上分别设置有四个上撑杆座，与所述上撑杆座对应的上撑杆为四支，所述的上撑杆与上撑杆座可拆分地固定连接。
  3. 根据权利要求1或2所述的高速铁路CRTSⅢ型先张轨道板成型模具，其特征是所述上撑杆座内侧设置有高度低于上撑杆的提升轨道（5），所述提升轨道的一端与侧模端部铰连接。
  4. 根据权利要求3所述的高速铁路CRTSⅢ型无砟轨道板成型模具，其特征是所述两个侧模上对称地分别设置有两支提升轨道（5），所述两支提升轨道的一端分别铰接地固定在侧模的两端头。
  5. 根据权利要求4所述的高速铁路CRTSⅢ型先张轨道板成型模具，其特征是所述的两个端模上设置有上撑杆槽（8）。
  6. 根据权利要求1、2、4或5中任一权利要求所述的高速铁路CRTSⅢ型先张轨道板成型模具，其特征是所述的底模下部与上撑杆固定位置对应的设有下撑杆（11）。
  7. 一种专用于高速铁路CRTSⅢ型无砟轨道板成型模具的脱模装置，包括两支水平横梁（13）、连接两支水平横梁的起吊梁（14），所述水平横梁的端侧固定在升降支座（12）顶端，其特征是所述的起吊梁上设置有起模装置（18），所述的起吊梁上还设置有提轨器（16）。
  8. 根据权利7所述的专用于高速铁路CRTSⅢ型无砟轨道板成型模具的脱模装置，其特征是所述的提轨器包括一个活塞杆向下的提轨油缸（19），所述提轨油缸的杆端固定有转角器（20），所述转角器下部通过一支提升杆固定有提轨块（21）。
  9. 根据权利要求7所述的专用于高速铁路CRTSⅢ型无砟轨道板成型模具的脱模装置，其特征是所述的提轨器包括一个活塞杆向下的提轨油缸（19），所述提轨油缸的杆端固定有电磁铁（22）。
PCT/CN2018/075608 2017-03-03 2018-02-07 高速铁路crtsⅲ型无砟轨道板成型模具及脱模装置 WO2018157711A1 (zh)

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