WO2015058515A1 - 一种防离析螺旋分料器及摊铺机 - Google Patents

一种防离析螺旋分料器及摊铺机 Download PDF

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Publication number
WO2015058515A1
WO2015058515A1 PCT/CN2014/077526 CN2014077526W WO2015058515A1 WO 2015058515 A1 WO2015058515 A1 WO 2015058515A1 CN 2014077526 W CN2014077526 W CN 2014077526W WO 2015058515 A1 WO2015058515 A1 WO 2015058515A1
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WIPO (PCT)
Prior art keywords
spiral
plow
segregation
paver
mixture
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PCT/CN2014/077526
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English (en)
French (fr)
Inventor
夏锦阳
吴俊良
王继努
Original Assignee
戴纳派克（中国）压实摊铺设备有限公司
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Application filed by 戴纳派克（中国）压实摊铺设备有限公司 filed Critical 戴纳派克（中国）压实摊铺设备有限公司
Priority to US15/030,744 priority Critical patent/US20160265172A1/en
Priority to EP14855986.7A priority patent/EP3061868A4/en
Publication of WO2015058515A1 publication Critical patent/WO2015058515A1/zh

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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/12—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials
    • E01C19/20—Apparatus for distributing, e.g. spreading, granular or pulverulent materials, e.g. sand, gravel, salt, dry binders
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/48—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ

Definitions

  • the present invention generally relates to a spiral distributor, and more particularly to an anti-separation spiral distributor and a paver having the separation-proof spiral distributor.
  • BACKGROUND OF THE INVENTION With the continuous improvement of road construction technology and the continuous improvement of road quality requirements, the application and status of asphalt concrete pavers have been paid more and more attention. The segregation phenomenon of asphalt concrete pavers on the road during construction is also Gaining importance. There are many reasons for the road surface segregation.
  • the road surface segregation caused by the asphalt concrete paver mainly includes hopper separation, spiral agitation separation, tamping and smelting, screed paving and segregation, and random segregation.
  • the squeegee is a translating layered conveying device that does not re-mix and mix the mixture, so the physical and temperature segregation of the mixture produced in the previous processes cannot be improved. For this reason, in recent years, attempts have been made to add a mixer truck in front of the paver, and the temperature and physical segregation are effectively improved by the functions of heat preservation, heating, and stirring. For the paver itself, improved segregation is achieved primarily through the structural design of the auger and the kinematic parameters.
  • the screw feeder will also stir the asphalt mixture twice during the conveying process.
  • the effect of the second mixing will be affected by the internal friction of the asphalt mixture and the mixture and the spiral.
  • the effect of the external friction between the reasonable, and the reasonable spreader screw feeder should be able to stir the mixture well, so that the mixture produced in the previous process can be effectively improved, while meeting the required mixing of different parts of the paving width.
  • the amount of material is used to ensure the flatness. This is the ultimate requirement for the design of the screw feeder and a reasonable way to improve the performance of the paver.
  • the spiral distributor drives the bottom of the sprocket box to easily produce longitudinal separation, that is, the strip-shaped separation belt along the driving direction appearing on the paving layer. This is due to the spatial interference of the spiral drive sprocket box, so that the left and right spirals are disconnected at a certain distance from the middle seam. The mixture at this break is not evenly spread and stirred by the screw, and will be at the bottom of the spiral drive sprocket box. Generate Stacking and squeezing, and relying only on the natural flow of the mixture to fill, the paving density is low and the gradation is uneven, forming a distinct strip-shaped segregation zone.
  • the problem to be solved by the present invention is to provide a screw feeder for a paver that can prevent segregation at the bottom of a drive sprocket of a screw feeder.
  • the present invention provides an anti-separation spiral distributor, which is disposed on a paver, including a left and right spiral and a spiral drive sprocket box, wherein the spiral drive sprocket box is provided with a front for entering
  • the mixture in the anti-separation spiral distributor is divided into plow-shaped dispensing devices on both sides.
  • left and right spirals on both sides of the spiral drive sprocket case are respectively fixedly provided with left reverse blades and right reverse blades for returning a part of the mixture to the bottom of the spiral drive sprocket case.
  • the plow-shaped dispensing device is connected with a steel plate, the steel plate is provided with a plurality of waist-shaped through holes, and the plow-shaped dispensing device is fixed by the bolt passing through the waist-shaped through holes. Screw drive on the sprocket box.
  • the present invention also provides a paver having the above-described anti-separation spiral distributor.
  • the anti-separation spiral distributor and paver of the invention have the following beneficial effects as follows:
  • the plow-shaped distribution device can effectively adjust the flow of the mixture, so that the asphalt mixture can be effectively stirred, and the mixture is reduced in the spiral.
  • the accumulation and extrusion at the bottom of the drive sprocket box reduces the longitudinal separation of the asphalt mixture and improves the paving quality of the road surface after paving.
  • FIG. 1 is a front view of an anti-separation spiral distributor of the present invention
  • Figure 2 is a left side view of the anti-separation spiral distributor of the present invention.
  • Figure 3 is a front elevational view of the plow-shaped dispensing device of the anti-separation spiral distributor of the present invention
  • Figure 4 is a right side view of the plow-shaped dispensing device of the anti-separation spiral distributor of the present invention
  • the plow-shaped dispensing device 1 of the anti-separation spiral distributor of the present invention has a shape resembling a nose shape, and the front central portion thereof is a plow beam 10, a steel plate 9 and a plow-shaped dispensing device. 1 is connected, and a plurality of through holes are formed in the steel plate 9. As shown in Fig. 5, in the top view of the plow-type dispensing device 1, it is substantially inverted triangle.
  • the plow-shaped dispensing device 1 is disposed in front of the spiral drive sprocket case 8, as shown in Fig. 1, in a preferred embodiment of the invention, the plow-shaped dispensing device 1 passes through the steel plate 9.
  • the through hole bolt 6 is fixed on and in front of the spiral drive sprocket case 8 of the anti-separation spiral distributor, wherein the through hole of the steel plate 9 through which the bolt 6 is passed is preferably a waist-shaped through hole, so that the bolt 6 can be The waist-shaped through hole slides up and down, so that the plow-shaped dispensing device 1 can be adjusted up and down according to working conditions.
  • the plow-shaped dispensing device 1 can also be directly welded to the steel structure of the screw drive sprocket case 8 by moving the lift cylinder 7 and the screw drive sprocket 8 up and down.
  • the asphalt mixture enters the anti-separation screw feeder from the feeder (not shown) in the direction of the paver frame 13 through the plow-shaped material.
  • the plough beam 10 of the apparatus 1 is divided into two sides of the plow-type dispensing device 1, and after being sent to the left baffle plate 4 and the right baffle plate 5, the left spiral blade 11 and the right spiral blade 12 on the left and right spirals
  • the rotation is carried to both sides of the trough formed by the left baffle 4, the right baffle 5, and the screed 14, so that the paving operation can be smoothly performed.
  • the plough beam 10 of the ploughing device 1 has a smooth arc transition on both sides of the device, which can reduce the flow resistance of the mixture, and is beneficial to the flow of the mixture, so that the mixture follows the plough beam on both sides of the ploughing device Spread evenly, thus avoiding the forced mixing of the mixture at the bottom of the sprocket box by the sprocket.
  • the left reverse spiral blade 2 and the right reverse spiral blade 3 installed on the left and right spirals on both sides of the spiral drive sprocket box 8 can reversely mix the asphalt mixture, and divide the plow-shaped dispensing device 1 into two.
  • the side mixture is returned to the bottom of the spiral drive sprocket box 8 while being thoroughly agitated, thereby preventing the asphalt mixture from being interrupted by the plow-type dispensing device 1 and breaking a certain distance from the slit.
  • the paver having the anti-separation spiral distributor of the present invention has a low density and uneven gradation of the mixture when the asphalt mixture passes through the plow-shaped distribution device at the screw drive sprocket 8
  • the phenomenon can effectively reduce the longitudinal segregation of the asphalt mixture at the screw drive sprocket box 8.

Abstract

一种防离析螺旋分料器及摊铺机。该防离析螺旋分料器设置于摊铺机上，且其包括左、右螺旋和螺旋驱动链轮箱（8）。该螺旋驱动链轮箱（8）前方设置有用于将进入防离析螺旋分料器内的混合料分到两侧的犁形分料装置（1）。该犁形分料装置（1）使沥青混合料得到有效搅拌，从而避免了由于混合料在螺旋驱动链轮箱（8）底部的堆积而产生的离析。

Description

一种防离析螺旋分料器及摊铺机 技术领域 本发明涉及一种螺旋分料器， 具体涉及一种防离析螺旋分料器及 具有该防离析螺旋分料器的摊铺机。 背景技术 随着道路施工技术的不断完善和路面质量要求的不断提高， 沥青 混凝土摊铺机的应用和地位也越来越受到重视， 沥青混凝土摊铺机在 施工过程中对路面造成的离析现象也越来越受到重视。 造成路面离析 的原因有很多， 由沥青混凝土摊铺机造成的路面离析主要有料斗离析、 螺旋搅料离析、 夯锤夯实离析、 熨平板摊铺离析以及随机性离析等。
对于沥青混凝土摊铺机， 输送和分布混合料是通过刮板和螺旋分 料器两个重要部件完成。 刮板是一种平移式分层输料装置， 对混合料 不会产生重新的搅拌混合作用， 因而对前几道工序产生的混合料物理 和温度离析不能改善。 为此， 近几年来兴起在摊铺机前加置混合料转 运车的工艺尝试， 通过其保温、 加热、 搅拌等作用使温度和物理离析 得到有效改善。 对摊铺机自身而言， 改善离析主要通过螺旋分料器的 结构设计以及运动学参数来实现。
在沥青混合料经过拌合机一次搅拌后， 螺旋输料器在输送过程中 还会对沥青混合料二次搅拌， 二次搅拌的效果会受到沥青混合料的内 摩擦力作用以及混合料与螺旋之间的外摩擦力作用的影响， 而合理的 摊铺机螺旋分料器应能够良好搅拌混合料， 使前期工序产生的混合料 离析得到有效改善， 同时满足摊铺宽度上不同部位所需混合料量， 使 平整度得到保证。 这就是螺旋分料器设计的最终要求， 也是摊铺机提 高性能的合理途径。
而在施工过程中， 螺旋分料器驱动链轮箱底很容易产生纵向离析， 即摊铺层上出现的沿行车方向的条形离析带。 这是由于螺旋驱动链轮 箱的空间干涉， 使左、 右螺旋在中缝处断开一定距离， 这一断裂处的 混合料得不到螺旋的均匀撒布和搅拌， 会在螺旋驱动链轮箱底部产生 堆积和挤压， 而仅依靠混合料的自然流动来充填， 摊铺后密实度很低 且级配不匀， 形成一明显的条形离析带。 发明内容 针对现有技术存在的上述缺陷， 本发明要解决的问题是， 提供一 种可以防止在螺旋分料器的驱动链轮箱底产生离析的摊铺机用螺旋分 料器。
为解决上述问题， 本发明提供了一种防离析螺旋分料器， 设置于 摊铺机上， 包括左、 右螺旋和螺旋驱动链轮箱， 其中所述螺旋驱动链 轮箱前方设置有用于将进入所述防离析螺旋分料器内的混合料分到两 侧的犁形分料装置。
作为优选， 所述螺旋驱动链轮箱两侧的左、 右螺旋上分别固定设 置有将部分混合料送回所述螺旋驱动链轮箱底部的左反向叶片和右反 向叶片。
作为优选， 所述犁形分料装置上连接有钢板， 所述钢板上开设有 多个腰形通孔， 所述犁形分料装置通过穿过所述腰形通孔的螺栓固定 在所述螺旋驱动链轮箱上。
本发明还提供了一种摊铺机， 其具有上述的防离析螺旋分料器。 本发明的防离析螺旋分料器和摊铺机具有如下几个方面的有益效 果为： 其犁形分料装置能有效调节混合料流动， 使沥青混合料得到有 效搅拌， 减小混合料在螺旋驱动链轮箱底部的堆积和挤压， 降低沥青 混合料的纵向离析，改善摊铺后道路表面摊铺质量。 附图说明 图 1为本发明的防离析螺旋分料器的主视图；
图 2为本发明的防离析螺旋分料器的左视图；
图 3为本发明的防离析螺旋分料器的犁形分料装置的主视图; 图 4为本发明的防离析螺旋分料器的犁形分料装置的右视图; 图 5为本发明的防离析螺旋分料器的犁形分料装置的俯视图。 具体实施方式 下面结合附图和具体实施例对本发明作进一歩详细描述， 但不作 为对本发明的限定。
如图 3和图 4所示， 本发明的防离析螺旋分料器的犁形分料装置 1， 其形状类似鼻形， 其前方的正中部为犁梁 10， 钢板 9与犁形分料装置 1 相连， 钢板 9上开有多个通孔。 如图 5所示， 在所述犁形分料装置 1的俯 视图中， 其大体呈倒三角形。
在本发明中， 犁形分料装置 1设置在螺旋驱动链轮箱 8的前方， 如 图 1所示， 在本发明的一优选实施例中， 犁形分料装置 1通过穿过钢板 9 上的通孔的螺栓 6固定在防离析螺旋分料器的螺旋驱动链轮箱 8上并位 于其前方， 其中钢板 9上穿设螺栓 6的通孔优选为腰形通孔， 使得螺栓 6 可以在腰形通孔内上下滑动， 从而可根据工况需求上下调节犁形分料 装置 1。 犁形分料装置 1也可以直接焊接在螺旋驱动链轮箱 8的钢结构 上， 通过调节提升油缸 7与螺旋驱动链轮箱 8上下移动。
请继续参考图 1以及图 2， 当摊铺机工作时， 沥青混合料从摊铺机 机架 13方向的输料器 （未示出） 进入防离析螺旋分料器内， 通过犁形 分料装置 1的犁梁 10被分到犁形分料装置 1的两侧， 再送到左挡料板 4和 右挡料板 5后， 在左、 右螺旋上的左螺旋叶片 11和右螺旋叶片 12的转动 下被输送到由左挡料板 4、 右挡料板 5以及熨平板 14构成的料槽两侧， 使摊铺作业可以顺利进行。
犁形分料装置 1的犁梁 10与该装置两侧为光滑圆弧过渡， 可减小混 合料流动阻力， 有利于混合料流动， 使混合料顺着犁形分料装置 1犁梁 两侧均匀撒落， 从而避免了链轮箱底部混合料因堆积被链轮箱强制挤 压。 同时， 螺旋驱动链轮箱 8两侧的左、 右螺旋上装设的左反向螺旋叶 片 2和右反向螺旋叶片 3可反向搅拌沥青混合料， 将被犁形分料装置 1分 到两侧的部分混合料送回螺旋驱动链轮箱 8底部， 同时进行充分搅拌， 从而避免了沥青混合料被犁形分料装置 1空间干涉而从中缝处断开一 定的距离。
具有本发明的防离析螺旋分料器的摊铺机， 在其螺旋驱动链轮箱 8 处， 当沥青混合料经过犁形分料装置后， 混合料不存在密实度低和级 配不匀的现象， 能有效减少螺旋驱动链轮箱 8处沥青混合料的纵向离析 的产生。 当然， 以上所述是本发明的优选实施方式， 应当指出， 对于本技 术领域的普通技术人员来说， 在不脱离本发明原理的前提下， 还可以 做出若干改进和润饰， 这些改进和润饰也视为本发明的保护范围。

Claims

权 利 要 求
1.一种防离析螺旋分料器， 设置于摊铺机上， 包括左、 右螺旋和 螺旋驱动链轮箱， 其特征在于， 所述螺旋驱动链轮箱前方设置有用于 将进入所述防离析螺旋分料器内的混合料分到两侧的犁形分料装置。
2.如权利要求 1所述的防离析螺旋分料器， 其特征在于， 所述螺 旋驱动链轮箱两侧的左、 右螺旋上分别固定设置有将部分混合料送回 所述螺旋驱动链轮箱底部的左反向叶片和右反向叶片。
3.如权利要求 1所述的防离析螺旋分料器， 其特征在于， 所述犁 形分料装置上连接有钢板， 所述钢板上开设有多个腰形通孔， 所述犁 形分料装置通过穿过所述腰形通孔的螺栓固定在所述螺旋驱动链轮箱 上。
4.一种摊铺机， 其特征在于， 具有权利要求 1〜3中任一项所述的 防离析螺旋分料器。
PCT/CN2014/077526 2013-10-21 2014-05-15 一种防离析螺旋分料器及摊铺机 WO2015058515A1 (zh)

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US15/030,744 US20160265172A1 (en) 2013-10-21 2014-05-15 Anti-segregation auger and paver
EP14855986.7A EP3061868A4 (en) 2013-10-21 2014-05-15 Anti-segregation auger distributor and paver

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CN201310498558.2A CN103526674B (zh) 2013-10-21 2013-10-21 一种防离析螺旋分料器及摊铺机
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CN109537406A (zh) * 2019-01-11 2019-03-29 甘肃路桥建设集团有限公司 一种摊铺机防离析挡板
CN110468660A (zh) * 2019-08-13 2019-11-19 天津工程机械研究院有限公司 摊铺机螺旋分料链轮箱抗离析导料板结构及摊铺机
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