WO2013060123A1 - 一种沥青搅拌设备用筛网组件及振动筛 - Google Patents

一种沥青搅拌设备用筛网组件及振动筛 Download PDF

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Publication number
WO2013060123A1
WO2013060123A1 PCT/CN2012/073908 CN2012073908W WO2013060123A1 WO 2013060123 A1 WO2013060123 A1 WO 2013060123A1 CN 2012073908 W CN2012073908 W CN 2012073908W WO 2013060123 A1 WO2013060123 A1 WO 2013060123A1
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WO
WIPO (PCT)
Prior art keywords
screen
subnet
asphalt mixing
vibrating
disposed
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Application number
PCT/CN2012/073908
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English (en)
French (fr)
Inventor
王艳军
王延恒
赵继成
Original Assignee
湖南三一智能控制设备有限公司
三一重工股份有限公司
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Application filed by 湖南三一智能控制设备有限公司, 三一重工股份有限公司 filed Critical 湖南三一智能控制设备有限公司
Publication of WO2013060123A1 publication Critical patent/WO2013060123A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • B07B1/40—Resonant vibration screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/005—Transportable screening plants

Definitions

  • the invention relates to the technical field of asphalt mixing equipment, in particular to a screen assembly and a vibrating screen for asphalt mixing equipment.
  • the vibrating screen is mainly composed of linear screen, which is characterized by multi-stage screening, especially for the classification of medium and fine material grades, and the screening efficiency is high;
  • the large-scale development trend of the mixing station, the vibrating screen also developed in a large direction.
  • the overall size of the vibrating screen is super high and wide, and transportation is extremely inconvenient; the replacement of the screen is also more and more difficult.
  • the vibrating screen for sifting five materials there are two general methods, one is five-layer five-segment type, and the other is four-five-seven-seven-segment type.
  • the former is rarely used on asphalt stations, and the second form is commonly used.
  • all vibrating screens are composed of closed screen boxes and sieve bodies, vibration exciters and support springs.
  • the height of the five material vibrating screens is generally about 3 meters.
  • the first object of the present invention is to provide a screen assembly and a vibrating screen for an asphalt mixing equipment to realize screening of five materials under the premise of satisfying productivity requirements, and a vibrating screen.
  • the height dimension is greatly reduced.
  • a screen assembly for an asphalt mixing plant comprises a first screen, a second screen, a third screen, a fourth screen and a fifth screen which are disposed obliquely in a horizontal direction; the first screen, The screen apertures of the second screen, the third screen, the fourth screen and the fifth screen are sequentially increased, and are distributed in three layers and two columns; wherein the third screen and the fifth screen are Connecting, disposed on the first layer; the second screen and the fourth screen are disposed on the second layer, and the two screens are provided with a space between the screens for passing through the screen of the third screen Feeding the screen with the second screen; the first screen is disposed on the third layer; the third screen, the second screen, and the first screen are located in the first column , The fifth screen and the fourth screen are located in the second column.
  • the third screen comprises a first subnet, a second subnet and a hinge; the first subnet and the second subnet pass the The hinges are butted to form a movable connection; and, the third screen further includes a detachable fixing connection assembly for fixing the first subnet and the second subnet to which the hinge is movably connected.
  • the detachable fixing connection assembly comprises a first taper sleeve, a second taper sleeve and a tapered pin; the first taper sleeve is connected to the first subnet, The second taper sleeve is connected to the two sub-networks; the taper pin is tapered, and is engaged in the first taper sleeve and the second cone to fix the first sub-network and the second sub-network .
  • the third screen and the fifth screen are connected by an intermediate support beam.
  • the screen assembly for the asphalt mixing equipment of the invention solves the problem of the five materials of the vibrating screen by using the three-layer five-stage screen structure. Under the premise of satisfying the production efficiency, the shape of the vibrating screen is greatly reduced, and the shipment of the container transportation is satisfied. the way.
  • a second object of the present invention is to provide a vibrating screen for an asphalt mixing plant, comprising a screen box, a body assembly disposed in the box, and an exciter disposed at the top of the box; the screen assembly including horizontally a first screen, a second screen, a third screen, a fourth screen, and a fifth screen disposed obliquely in a direction; the first screen, the second screen, the third screen, and the fourth screen And the hole diameter of the fifth screen is sequentially increased, and is distributed in three layers and two columns; wherein the third net is connected to the fifth screen and disposed on the first layer; the second screen and the second screen The fourth screen is disposed on the second layer, and the two screens are provided with a space between the screens for passing through the screen of the third screen and the screen of the second screen; The first screen is disposed on the third layer; the third screen, the second screen and the first screen are located in the first column, and the first column is adjacent to the feeding end of the screen box; The fifth net and the fourth net are located
  • the third screen comprises a first subnet, a second subnet and a hinge; the first subnet and the second subnet pass the hinge The butt joints form a movable connection; and, the third screen further includes a detachable fixing connection assembly, the detachable fixing connection assembly is configured to fix the first subnet and the second of the articulated connection of the hinge Subnet.
  • the detachable fixing connecting assembly comprises a first taper sleeve, a second taper sleeve and a tapered pin; the first taper sleeve is connected to the first subnet, The second taper sleeve is connected to the two sub-networks; the taper pin is tapered, and is engaged in the first taper sleeve and the second cone to fix the first sub-network and the second sub-network.
  • a comb-shaped separating baffle is disposed in the screen box near the feeding end of the screen box.
  • the comb-shaped separating baffle comprises a comb plate and a receiving plate, and the comb plate is detachably connected to the receiving plate.
  • the comb plate and the receiving plate are detachably connected by bolts.
  • the vibrating screen having the screen assembly for the asphalt mixing apparatus should also have corresponding technical effects.
  • FIG. 1 is a schematic structural view of an embodiment of a screen assembly for an asphalt mixing plant of the present invention
  • FIG. 2 is a schematic structural view of another embodiment of a screen assembly for an asphalt mixing plant of the present invention
  • FIG. 3 is a first subnet 51 and a second sub- The net 52 is docked by the hinge 8 to form an active connection, and is in a schematic view of the docked state;
  • FIG. 4 is a schematic view showing that the first subnet 51 and the second subnet 52 are connected by the hinge 8 to form an active connection, and are in a folded state;
  • FIG. 5 is a schematic structural view of a detachable fixing connecting assembly 17 in an embodiment
  • FIG. 6 is a schematic structural view of an embodiment of a vibrating screen for an asphalt mixing apparatus according to the present invention
  • FIG. 7 is a schematic structural view of another embodiment of a vibrating screen for an asphalt mixing plant of the present invention
  • FIG. 8 is a schematic structural view of another embodiment of a vibrating screen for an asphalt mixing plant of the present invention
  • FIG. 9 is a schematic structural view of a comb-shaped baffle ;
  • Figure 10 is a schematic view of a comb-shaped plate and a receiving baffle forming a comb-shaped separating baffle;
  • Figure 11 is a schematic plan view showing the top view of the comb plate.
  • Figure 1 is a schematic view showing the construction of an embodiment of a screen assembly for an asphalt mixing plant of the present invention.
  • the screen assembly for asphalt mixing equipment includes a first screen 3, a second screen 4, a third screen 5, a fourth screen 11 and a fifth screen 10 which are disposed obliquely in the horizontal direction; the first screen 3
  • the mesh apertures of the second screen 4, the third screen 5, the fourth screen 11 and the fifth screen 10 are sequentially increased, and are distributed in three layers and two columns; wherein the third screen 5 and the fifth screen 10 phases are connected to the first layer; the second screen 4 and the fourth screen 11 are disposed on the second layer, and a spacing L is provided between the two screens, and the interval L is used for passing through the screen of the third screen 5
  • the screen of the second screen 4; the first screen 3 is arranged in the third layer; the third screen 5, the second screen 4 and the first screen 3 are located in the first column, the fifth screen The net 10 and the fourth screen 11 are located in the second column.
  • the third screen 5 and the fifth screen 10 may be connected through the intermediate support beam, and may be connected in other manners, which is not limited herein.
  • the total height is less than 2.3 m and can be loaded into a standard container.
  • the screen assembly for the asphalt mixing equipment of the present embodiment solves the problem of the five materials of the vibrating screen by using the three-layer five-stage screen structure. Under the premise of satisfying the production efficiency, the shape of the vibrating screen is greatly reduced, and the container transportation is satisfied. Shipping method.
  • Figure 2 is a schematic view showing the structure of another embodiment of the screen assembly for an asphalt mixing plant of the present invention.
  • the screen assembly for asphalt mixing equipment includes a first screen 3, a second screen 4, a third screen 5, a fourth screen 11 and a fifth screen 10 which are disposed obliquely in the horizontal direction; the first screen 3
  • the mesh apertures of the second screen 4, the third screen 5, the fourth screen 11 and the fifth screen 10 are sequentially increased, and are distributed in three layers and two columns; wherein the third screen 5 and the fifth screen 10 phase connection, set on the first floor;
  • the second screen 4 and the fourth screen 11 are disposed on the second layer, and a spacing L is provided between the two screens, and the spacing L is used for the screening of the third screen 5 and the screening of the second screen 4.
  • the first screen 3 is arranged in the third layer; the third screen 5, the second screen 4 and the first screen 3 are located in the first column, and the fifth screen 10 and the fourth screen 11 are located in the second Column.
  • the total height of the vibrating screen is less than 2.3 meters and can be loaded into a standard container.
  • the screen assembly for the asphalt mixing equipment of the present embodiment solves the problem of five materials of the vibrating screen by using a three-layer five-stage screen structure, and vibrates under the premise of satisfying the production efficiency.
  • the size of the screen is greatly reduced to meet the shipping method of container transportation.
  • the third screen 5 includes a first subnet 51, a second subnet 52 and a hinge 8; the first subnet 51 and the second subnet 52 are hinged
  • the piece 8 is docked to form an active connection.
  • a schematic diagram of the first subnet 51 and the second subnet 52 being docked by the hinge 8 to form an active connection is shown in Figs. 3 and 4.
  • the third screen 5 further includes a detachable fixing connecting member 17 for fixing the first subnet 51 and the second subnet 52 to which the hinge 8 is movably connected.
  • the third screen 5 is composed of two parts, the front and the back, and has a hinge member in the middle, and a detachable fixing connection assembly 17, which ensures that the screen is free from space restrictions when it is taken out and replaced. Folding, when the screen is installed in the screen body, the front and rear screens are rigidly integrated by the detachable fixing connecting assembly, which facilitates the front end positioning.
  • Fig. 5 is a schematic view showing the structure of a detachable fixing connecting member 17 in one embodiment.
  • the detachable fixing connecting component 17 includes a first taper sleeve 14, a second taper sleeve 14 and a tapered pin 15; the first taper sleeve 13 is fixedly connected to the second subnet 52, and the second taper sleeve 14 is connected to the first A subnet 51; the tapered pin 15 has a tapered shape and is engaged in the first taper sleeve 13 and the second cone 14 to fix the first subnet 51 and the second subnet 52.
  • the detachable fixing connection assembly ⁇ will be described in detail below.
  • the front and rear first screens 51 and the second screens 52 joined by the hinges 8 are formed into a rigid unit to facilitate inward pushing installation. Therefore, the first taper sleeve 13, the second taper sleeve 14, and the taper pin 15 are provided at the front and rear screen joints.
  • the first taper sleeve 13 and the second taper sleeve 14 are respectively fixed to adjacent end faces of the front and rear screens.
  • the taper pin 15 penetrates into the first taper sleeve 13 and the second taper sleeve 14. Since the taper pin 15 is tapered, the front and the rear are small. Large, and the third screen 5 is also tilt mounted, front low and rear high.
  • the cone pin 15 is tighter and tighter when the vibrating screen is operated.
  • the taper pin 15 can be withdrawn by a small tool and tapped lightly to realize the third The screen 5 is folded and contracted.
  • FIG 6 is a schematic view showing the structure of an embodiment of a vibrating screen for an asphalt mixing plant of the present invention.
  • the vibrating screen for asphalt mixing equipment comprises a screen box 1, a screen assembly 2 disposed in the screen box 1, and a top exciter 9 disposed on the top of the screen box 1.
  • the screen assembly 2 comprises: inclined in a horizontal direction a first screen 3, a second screen 4, a third screen 5, a fourth screen 11 and a fifth screen 10; a first screen 3, a second screen 4, a third screen 5,
  • the screen apertures of the fourth screen 1 1 and the fifth screen 10 are sequentially increased, and are distributed in three layers and two columns; wherein the third screen 5 is connected to the fifth screen 10 and disposed on the first layer;
  • the second screen 4 and the fourth screen 11 are disposed on the second layer, and a spacing L is provided between the two screens, and the spacing L is used for the screening of the third screen 5 and the screening of the second screen 4. .
  • each of the screen assemblies 2 is inclined along the feed end of the screen box toward the discharge end of the screen box, and the feed end is higher than the discharge end.
  • the screen assembly 2 and the enclosed screen box 1 are connected by four sets of support springs (not shown).
  • the vibrating screen for the asphalt mixing apparatus further includes a tensioning device and a fixed sieve plate corresponding to the five screens, and the mounting thereof is known to those skilled in the art and will not be described here.
  • Five nets correspond to five materials, which can be used to classify five materials.
  • the third screen 5 and the fifth screen 10 may be connected through the intermediate support beam, and may be connected in other manners, which is not limited herein.
  • the vibrating screen for asphalt mixing has a total height of less than 2.3 m and can be loaded into a standard container.
  • the spacing between the second screen 4 and the fourth screen 11 is only a schematic representation.
  • the spacing L is sized to facilitate the screening.
  • Another type of aggregate is the design principle.
  • the left side of the lower screen is shorter than the upper screen, that is, the left side of the fourth screen 11 is shorter than the left side of the fifth screen 10, and the first screen
  • the left side of the third screen 4 is shorter than the left side of the second screen 4, and the left side of the second screen 4 is shorter than the third screen.
  • the screen assembly for the asphalt mixing equipment of the present embodiment solves the problem of the five materials of the vibrating screen by using the three-layer five-stage screen structure. Under the premise of satisfying the production efficiency, the shape of the vibrating screen is greatly reduced, and the container transportation is satisfied. Shipping method.
  • Figure 7 is a schematic view showing the structure of another embodiment of the vibrating screen for an asphalt mixing plant of the present invention.
  • the vibrating screen for the asphalt mixing apparatus of the present embodiment is different from the embodiment shown in FIG. 6 in that the third screen 5 includes a first subnet 51, a second subnet 52, and a hinge 8; the first subnet 51 and The second subnetwork 52 is docked by the hinges 8 to form an active connection.
  • a schematic diagram of the first subnet 51 and the second subnet 52 being docked by the hinge 8 to form a movable connection is shown in Figs. 3 and 4.
  • the third screen 5 further includes a detachable fixing connecting member 17 for fixing the first subnet 51 and the second subnet 52 to which the hinge 8 is movably connected.
  • the third screen 5 is composed of two parts, the front and the back, and has a hinge member in the middle, and a detachable fixing connection assembly 17, which ensures that the screen is free from space restrictions when it is taken out and replaced. Folding, when the screen is installed in the screen body, the front and rear screens are rigidly integrated by the detachable fixing connecting assembly, which facilitates the front end positioning.
  • the structure of the detachable fixing connecting component 17 can also adopt the structure shown in FIG. 5, including the first taper sleeve 14, the second taper sleeve 14 and the taper pin 15; the first taper sleeve 13 is fixedly connected to the second Subnet 52, the second taper sleeve 14 is connected to the first subnet 51; the taper pin 15 is tapered, and is engaged in the first taper sleeve 13 and the second cone 14 to fix the first subnet 51 and the first Two subnets 52.
  • the detachable fixing connecting member 17 will be described in detail below.
  • the front and rear first screens 51 and the second screens 52 joined by the hinges 8 are formed into a rigid unit to facilitate inward pushing installation. Therefore, the first taper sleeve 13, the second taper sleeve 14, and the taper pin 15 are provided at the front and rear screen joints.
  • the first taper sleeve 13 and the second taper sleeve 14 are respectively fixed to adjacent end faces of the front and rear screens.
  • the taper pin 15 penetrates into the first taper sleeve 13 and the second taper sleeve 14.
  • the taper pin 15 Since the taper pin 15 is tapered, the front small and the rear are large, and the third screen 5 is also installed obliquely, before Low and then high. Therefore, the cone pin 15 is tighter and tighter when the vibrating screen is operated.
  • the taper pin 15 can be withdrawn by a small tool and tapped lightly to realize the third The mesh 5 is folded and contracted to enable replacement of the screen in a small space.
  • the spacing between the second screen 4 and the fourth screen 11 is merely a schematic representation.
  • the spacing L is sized to facilitate screening.
  • An aggregate is a design principle.
  • the left side of the lower screen is shorter than the upper screen, that is, the left side of the fourth screen 11 is shorter than the left side of the fifth screen 10, and the first screen 3
  • the left side is shorter than the left side of the second screen 4, and the left side of the second screen 4 is shorter than the left side of the third screen 5.
  • the ratio of the size of the hinge member 8 and the fixing connecting member 17 to the screen frame assembly is not a ratio at the time of actual implementation of the present invention.
  • the present invention is only schematically illustrated with this component.
  • the hinge member 8 and the fixing connecting member 17 are sized so as not to form an obstacle to the formation of aggregates flowing through the screen surface.
  • Fig. 8 is a schematic view showing the structure of another embodiment of the vibrating screen for an asphalt mixing plant of the present invention.
  • the vibrating screen for the asphalt mixing apparatus of the present embodiment is different from the embodiment shown in Fig. 7 in that a comb-shaped separating baffle 6 is disposed in the screen box 1 near the feeding end of the screen box 1.
  • the comb-shaped partition baffle 6 is realized to realize the function of separating the material, the cloth and the coarse and fine materials.
  • the fine material falls into the third screen 5 in advance at the comb-shaped section at the rear end of the comb-shaped partitioning baffle 6, and then the fine-grained material is sequentially separated and falls on the third screen 5 to avoid a large amount of mixed materials falling.
  • the direct impact on the third screen 5 reduces the probability of breakage of the third screen 5 and prolongs the service life of the third screen 5.
  • the spacing between the second screen 4 and the fourth screen 11 is merely a schematic representation.
  • the spacing L is sized to facilitate screening.
  • An aggregate is a design principle.
  • the left side of the lower screen is shorter than the upper screen, that is, the left side of the fourth screen 11 is shorter than the left side of the fifth screen 10, and the first screen 3
  • the left side is shorter than the left side of the second screen 4, and the left side of the second screen 4 is shorter than the left side of the third screen 5.
  • the ratio of the size of the hinge member 8 and the fixing connecting member 17 to the screen frame assembly is not a ratio at the time of actual implementation of the present invention.
  • the present invention is only schematically illustrated with this component.
  • the hinge member 8 and the fixing connecting member 17 are sized so as not to form an obstacle to the formation of aggregates flowing through the screen surface.
  • Figure 9 is a schematic view of the structure of the comb-shaped splitting baffle 6.
  • the buffer comb-shaped separating baffle 6 can also be used in another arrangement: that is, the comb-shaped plate 7 and the receiving baffle 16 are detachably connected; for example, by bolts. Thus, the comb plate 7 is easily replaced.
  • Figure 10 is a schematic view of the comb-shaped plate 7 and the receiving baffle 16 forming a comb-shaped powder baffle.
  • Figure 11 is a schematic view showing the structure of a comb plate.
  • the use of the comb-shaped splitting baffle can be used when the material reaches the end of the screen, and the mixture of different particle sizes falls into the lower screen in order to achieve pre-separation and increase the permeation rate. Improve the efficiency of screening and extend the service life of the screen.
  • the present invention adopts a three-layer five-segment screen structure to solve the five kinds of screening materials of the vibrating screen, and solves the problem that the length of the screen is too long after the number of layers is compressed, and the screen change is inconvenient, and
  • a buffer comb-shaped material dividing baffle is arranged at the feeding end of the vibrating screen, and the buffer comb-shaped material dividing plate is integrally designed with the original baffle plate, and the comb-shaped material-dividing section is added on the basis of realizing the material and the tiling function, so that A large amount of mixed materials are separated in advance here, and the fine materials first fall into the first layer of the net, and are penetrated in advance, and the coarse materials fall into the sieve mesh according to the particle diameter, thereby reducing the severe impact on the first screen when a large amount of the mixture is poured. Therefore, the screen is protected, the service life of the first screen is extended, and the screening efficiency is improved.

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Abstract

一种沥青搅拌设备用筛网组件及振动筛。筛网组件包括水平方向倾斜设置的第一筛网（3）、第二筛网（4）、第三筛网（5）、第四筛网（11）和第五筛网（10）；第一筛网（3）、第二筛网（4）、第三筛网（5）、第四筛网（11）和第五筛网（10）的筛孔孔径依次增大，呈三层两列分布；其中第三筛网（5）与第五筛网（10）相连接，设置于第一层；第二筛网（4）与第四筛（11）网设置于第二层，且两筛网间设有间隔（L），用于通过第三筛网（5）的筛下料与第二筛网（4）的筛上料；第一筛网（3）单筛设置于第三层；第三筛网（5）、第二筛网（4）和第一筛网（3）位于第一列，第五筛网（10）和第四筛网（11）位于第二列。本发明采用三层五段式筛网结构解决了振动筛筛分五种物料的问题，在满足生产效率的前提下，振动筛外形尺寸大幅降低，满足集装箱运输的装运。

Description

一种沥青搅拌设备用筛网组件及振动筛
本申请要求于 2011 年 10 月 24 日提交中国专利局、 申请号为 201110324788. 8、 发明名称为 "一种沥青搅拌设备用筛网组件及振动筛" 的中国专利申请的优先权， 其全部内容通过引用结合在本申请中。
技术领域
本发明涉及沥青搅拌设备技术领域， 特别是涉及一种沥青搅拌设备用 筛网组件及振动筛。
背景技术
目前， 在沥青混合料搅拌设备中， 振动筛主要以直线筛为主， 其特点 是可实现多级筛分， 特别用于对中细料级物料的分级， 筛分效率高； 但随 着沥青搅拌站大型化发展趋势， 振动筛也相应向大型方向发展。 振动筛整 体外形尺寸超高超宽， 运输极不方便； 筛网的更换也越来越困难。
以筛分五种物料的振动筛而言， 通常的方法有两种， 一种是五层五段 式， 另一种是四点五层九段式。 前者已很少在沥青站上使用， 常用的是第 二种形式。 由于沥青搅拌站环保要求比较高， 对设备粉尘排放浓度有严格 的行业规定， 因此所有振动筛都是由封闭的筛箱和筛体、 激振器、 支撑弹 簧等组成。 这样， 五种物料振动筛高度尺寸一般在 3米左右。 随着海外市 场的不断开拓， 沥青站的出口也逐渐增多， 振动筛的外形尺寸不能满足集 装箱装运方式运输的问题已越来越突出。
发明内容
针对现有技术存在的问题， 本发明第一个目的在于提供一种沥青搅拌 设备用筛网组件及振动筛， 以在满足生产率要求的前提下， 实现对五种物 料的筛分，且振动筛的高度尺寸大幅降低。
本发明一种沥青搅拌设备用筛网组件包括沿水平方向倾斜设置的第一 筛网、 第二筛网、 第三筛网、 第四筛网和第五筛网； 所述第一筛网、 第二 筛网、 第三筛网、 第四筛网和第五筛网的筛孔孔径依次增大， 呈三层两列 分布； 其中， 所述第三筛网与所述第五筛网相连接， 设置于第一层； 所述 第二筛网与所述第四筛网设置于第二层， 且两筛网间设有间隔， 所述间隔 用于通过所述第三筛网的筛下料与所述第二筛网的筛上料； 所述第一筛网 设置于第三层； 所述第三筛网、所述第二筛网和所述第一筛网位于第一列， 所述第五筛网和所述第四筛网位于第二列。
优选地， 所述沥青搅拌设备用筛网组件中， 所述第三筛网包括第一子 网、 第二子网和铰接件； 所述第一子网与所述第二子网通过所述铰接件对 接形成活动连接； 并且， 所述第三筛网还包括可拆卸的固定用连接组件， 用于固定所述铰接件活动连接的第一子网和第二子网。
优选地， 所述沥青搅拌设备用筛网组件中， 所述可拆卸的固定用连接 组件包括第一锥套、 第二锥套和锥销； 所述第一锥套连接于第一子网， 所 述第二锥套连接于二子网； 所述锥销呈锥形， 同时卡接于所述第一锥套和 所述第二锥中， 以固定所述第一子网和第二子网。
优选地， 所述沥青搅拌设备用筛网组件中， 所述第三筛网与所述第五 筛网通过中间支撑梁连接。
本发明沥青搅拌设备用筛网组件采用三层五段式筛网结构解决了振动 筛筛分五种物料的问题， 在满足生产效率的前提下， 振动筛外形尺寸大幅 降低， 满足集装箱运输的装运方式。
本发明的第二个目的在于提供一种沥青搅拌设备用振动筛，包括筛箱、 设置于所述 箱内的 体组件以及设置于所述 箱顶部激振器； 所述筛体 组件包括沿水平方向倾斜设置的第一筛网、 第二筛网、 第三筛网、 第四筛 网和第五筛网； 所述第一筛网、 第二筛网、 第三筛网、 第四筛网和第五筛 网的 孔孔径依次增大， 呈三层两列分布； 其中， 所述第三 网与所述第 五筛网相连接， 设置于第一层； 所述第二筛网与所述第四筛网设置于第二 层， 且两筛网间设有间隔， 所述间隔用于通过所述第三筛网的筛下料与所 述第二筛网的筛上料； 所述第一筛网设置于第三层； 所述第三筛网、 所述 第二筛网和所述第一筛网位于第一列，所述第一列靠近所述筛箱的进料端； 所述第五 网和所述第四 网位于第二列， 所述第二列靠近所述 箱的出 料端。
优选地，所述沥青搅拌设备用振动筛中，所述第三筛网包括第一子网、 第二子网和铰接件； 所述第一子网与所述第二子网通过所述铰接件对接形 成活动连接； 并且， 所述第三筛网还包括可拆卸的固定用连接组件， 所述 可拆卸的固定用连接组件用于固定所述铰接件活动连接的第一子网和第二 子网。 优选地， 所述沥青搅拌设备用振动筛中， 所述可拆卸的固定用连接组 件包括第一锥套、 第二锥套和锥销； 所述第一锥套连接于第一子网， 所述 第二锥套连接于二子网； 所述锥销呈锥形， 同时卡接于所述第一锥套和所 述第二锥中， 以固定所述第一子网和第二子网。
优选地， 所述沥青搅拌设备用振动筛中， 所述筛箱内， 靠近所述筛箱 的进料端设置有梳形分料挡板。
优选地， 所述沥青搅拌设备用振动筛中， 所述梳形分料挡板包括梳形 板和接料板， 所述梳形板与所述接料板可拆卸连接。
优选地， 所述沥青搅拌设备用振动筛中， 所述梳形板与所述接料板通 过螺栓可拆卸连接。
由于上述的沥青搅拌设备用筛网组件具有上述的技术效果， 具有该沥 青搅拌设备用筛网组件的振动筛也应具备相应的技术效果。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案， 下面将对 实施例或现有技术描述中所需要使用的附图作筒单地介绍， 显而易见地， 下面描述中的附图仅仅是本发明的一些实施例， 对于本领域普通技术人员 来讲， 在不付出创造性劳动性的前提下， 还可以根据这些附图获得其他的 附图。
图 1为本发明沥青搅拌设备用筛网组件实施例的结构示意图； 图 2为本发明沥青搅拌设备用筛网组件另一实施例的结构示意图； 图 3为第一子网 51与第二子网 52通过铰接件 8对接形成活动连接， 且处于对接状态的示意图；
图 4为第一子网 51与第二子网 52通过铰接件 8对接形成活动连接， 且处于折叠状态的示意图；
图 5为在一个实施例中， 可拆卸的固定用连接组件 17的结构示意图； 图 6为本发明沥青搅拌设备用振动筛实施例的结构示意图；
图 7为本发明沥青搅拌设备用振动筛另一实施例的结构示意图； 图 8为本发明沥青搅拌设备用振动筛另一实施例的结构示意图； 图 9为梳形分料挡板的结构示意图；
图 10为梳形板与接料挡板配合形成梳形分料挡板的示意图； 图 11为梳形板的俯视图结构示意图。
具体实施方式
下面将结合本发明实施例中的附图， 对本发明实施例中的技术方案进 行清楚、 完整地描述， 显然， 所描述的实施例仅仅是本发明一部分实施例， 而不是全部的实施例。 基于本发明中的实施例， 本领域普通技术人员在没 有做出创造性劳动前提下所获得的所有其他实施例， 都属于本发明保护的 范围。
沥青搅拌设备用 网组件实施例
参照图 1 , 图 1为本发明沥青搅拌设备用筛网组件实施例的结构示意 图。
该沥青搅拌设备用筛网组件包括沿水平方向倾斜设置的第一筛网 3、 第二筛网 4、 第三筛网 5、 第四筛网 11和第五筛网 10; 第一筛网 3、 第二 筛网 4、 第三筛网 5、 第四筛网 11和第五筛网 10的筛孔孔径依次增大， 呈 三层两列分布； 其中第三筛网 5与第五筛网 10相连接， 设置于第一层； 第 二筛网 4与第四筛网 11设置于第二层， 且两筛网间设有间隔 L , 间隔 L用 于通过第三筛网 5的筛下料与第二筛网 4的筛上料； 第一筛网 3单筛设置 于第三层； 第三筛网 5、 第二筛网 4和第一筛网 3位于第一列， 第五筛网 1 0和第四筛网 1 1位于第二列。 此外， 在具体实施时， 第三筛网 5与第五 筛网 10可以通过中间支撑梁连接， 当然也可以采用其他方式连接，本发明 在此不做限定。
振动筛网组件装入振动筛后， 总高低于 2. 3米，可装入标准集装箱内。 本实施例沥青搅拌设备用筛网组件采用三层五段式筛网结构解决了振动筛 筛分五种物料的问题， 在满足生产效率的前提下， 振动筛外形尺寸大幅降 低， 满足集装箱运输的装运方式。
参照图 2 , 图 2为本发明沥青搅拌设备用筛网组件另一实施例的结构 示意图。
该沥青搅拌设备用筛网组件包括沿水平方向倾斜设置的第一筛网 3、 第二筛网 4、 第三筛网 5、 第四筛网 11和第五筛网 10; 第一筛网 3、 第二 筛网 4、 第三筛网 5、 第四筛网 11和第五筛网 10的筛孔孔径依次增大， 呈 三层两列分布； 其中第三筛网 5与第五筛网 10相连接， 设置于第一层； 第 二筛网 4与第四筛网 11设置于第二层， 且两筛网间设有间隔 L , 间隔 L用 于通过第三筛网 5的筛下料与第二筛网 4的筛上料； 第一筛网 3单筛设置 于第三层； 第三筛网 5、 第二筛网 4和第一筛网 3位于第一列， 第五筛网 10和第四筛网 11位于第二列。振动筛总高低于 2. 3米，可装入标准集装箱 内。
与图 1所述的实施例相同， 本实施例沥青搅拌设备用筛网组件采用三 层五段式筛网结构解决了振动筛筛分五种物料的问题， 在满足生产效率的 前提下， 振动筛外形尺寸大幅降低， 满足集装箱运输的装运方式。
但是， 与图 1所示的实施例不同之处在于， 第三筛网 5包括第一子网 51、 第二子网 52和铰接件 8 ; 第一子网 51与第二子网 52通过铰接件 8对 接形成活动连接。 第一子网 51与第二子网 52通过铰接件 8对接形成活动 连接的示意图参照图 3和图 4所示。
并且， 第三筛网 5还包括可拆卸的固定用连接组件 17 , 可拆卸的固定 用连接组件 17用于固定铰接件 8活动连接的第一子网 51和第二子网 52。
也就是说， 第三筛网 5由前后两部分组成， 中间有铰接件， 还有可拆 卸的固定用连接组件 17 , 这样的结构能保证该筛网在取出更换时， 不受空 间限制， 可折叠， 又可在向筛体内安装筛网时， 前后段筛网由可拆卸的固 定用连接组件 Π成刚性整体， 便于前端定位。
参照图 5 , 图 5为在一个实施例中， 可拆卸的固定用连接组件 17的结 构示意图。
其中， 可拆卸的固定用连接组件 17包括第一锥套 14、 第二锥套 14和 锥销 15 ; 第一锥套 1 3固定连接于第二子网 52 , 第二锥套 14连接于第一子 网 51 ; 锥销 15呈锥形， 同时卡接于第一锥套 1 3和第二锥 14中， 以固定 第一子网 51和第二子网 52。
下面对可拆卸的固定用连接组件 Π进行详细说明。
当新的第三筛网 5需装入筛体内时， 由铰接件 8连接的前后第一筛网 51和第二筛网 52要形成一个刚性整体， 以便于向内推送安装。 因此在前 后两段筛网连接处， 设置第一锥套 1 3、 第二锥套 14和锥销 15。 其中第一 锥套 1 3 、第二锥套 14分别固定在前后筛网相邻端面。当向筛体内推送时， 锥销 15穿入第一锥套 1 3、 第二锥套 14中， 由于锥销 15呈锥形， 前小后 大， 并且第三筛网 5也是倾斜安装， 前低后高。 因此在振动筛工作时锥销 15越装越紧。 而当第三筛网 5需抽出更换时， 当第三筛网 5拉出一半时到 铰接件 8处时， 可用一小工具， 轻轻敲击， 即可将锥销 15退出， 实现第三 筛网 5折叠收缩的作用。
沥青搅拌设备用振动筛实施例
参照图 6 , 图 6为本发明沥青搅拌设备用振动筛实施例的结构示意图。 在该实施例中， 沥青搅拌设备用振动筛包括筛箱 1、 设置于筛箱 1 内 的筛体组件 2以及设置于筛箱 1顶部激振器 9 ; 筛体组件 2包括： 沿水平 方向倾斜设置的第一筛网 3、 第二筛网 4、 第三筛网 5、 第四筛网 11和第 五筛网 10; 第一筛网 3、 第二筛网 4、 第三筛网 5、 第四筛网 1 1和第五筛 网 1 0的筛孔孔径依次增大，呈三层两列分布； 其中第三筛网 5与第五筛网 10相连接， 设置于第一层； 第二筛网 4与第四筛网 11设置于第二层， 且 两筛网间设有间隔 L , 间隔 L用于通过第三筛网 5的筛下料与第二筛网 4 的筛上料。 也就是说， 第二层中的两张筛网中部断开； 第一筛网 3设置于 第三层； 第三筛网 5、 第二筛网 4和第一筛网 3位于第一列， 第一列靠近 筛箱 1的进料端； 第五筛网 10和第四筛网 11位于第二列， 第二列靠近筛 箱的出料端。 此外， 需要说明的是， 筛网组件 2中的每一筛网， 都是沿筛 箱的进料端向筛箱的出料端倾斜， 进料端高于出料端。
筛体组件 2与封闭式筛箱 1间通过四组支撑弹簧（未示出 )连接。 沥 青搅拌设备用振动筛还包括与五张筛网相应的拉紧装置及固定筛板， 其安 装为本领域技术人员所习知， 在此不再说明。 五张 网对应五种物料， 可 实现五种物料的分级。
此外，在具体实施时， 第三筛网 5与第五筛网 10可以通过中间支撑梁 连接， 当然也可以采用其他方式连接， 本发明在此不做限定。
本实施例沥青搅拌用振动筛， 总高低于 2. 3米，可装入标准集装箱内。 需要指出的是： 图 6中第二层筛网中， 第二筛网 4与第四筛网 11间隔 L仅仅是示意性的表示， 在具体实施本发明时， 该间隔 L的大小以方便筛 分另外一种骨料为设计原则。 并且， 在整个图中， 下层筛网左侧要短于上 一层筛网， 也就是说， 第四筛网 11的左侧短于第五筛网 1 0的左侧， 而第 一筛网 3的左侧短于第二筛网 4的左侧， 第二筛网 4的左侧短于第三筛网 5的左侧。
本实施例沥青搅拌设备用筛网组件采用三层五段式筛网结构解决了振 动筛筛分五种物料的问题， 在满足生产效率的前提下， 振动筛外形尺寸大 幅降低， 满足集装箱运输的装运方式。
参照图 7 , 图 7为本发明沥青搅拌设备用振动筛另一实施例的结构示 意图。
本实施例沥青搅拌设备用振动筛与图 6所示的实施例不同之处在于， 第三筛网 5包括第一子网 51、 第二子网 52和铰接件 8 ; 第一子网 51与第 二子网 52通过铰接件 8对接形成活动连接。 第一子网 51与第二子网 52 通过铰接件 8对接形成活动连接的示意图参照图 3和图 4所示。
并且， 第三筛网 5还包括可拆卸的固定用连接组件 17 , 可拆卸的固定 用连接组件 17用于固定铰接件 8活动连接的第一子网 51和第二子网 52。
也就是说， 第三筛网 5由前后两部分组成， 中间有铰接件， 还有可拆 卸的固定用连接组件 17 , 这样的结构能保证该筛网在取出更换时， 不受空 间限制， 可折叠， 又可在向筛体内安装筛网时， 前后段筛网由可拆卸的固 定用连接组件 Π成刚性整体， 便于前端定位。
此外，可拆卸的固定用连接组件 17的结构还可以采用图 5所示的结构， 包括第一锥套 14、第二锥套 14和锥销 15 ; 第一锥套 1 3固定连接于第二子 网 52 , 第二锥套 14连接于第一子网 51 ; 锥销 15呈锥形， 同时卡接于第一 锥套 1 3和第二锥 14中， 以固定第一子网 51和第二子网 52。
下面对可拆卸的固定用连接组件 17进行详细说明。
当新的第三筛网 5需装入筛体内时， 由铰接件 8连接的前后第一筛网 51和第二筛网 52要形成一个刚性整体， 以便于向内推送安装。 因此在前 后两段筛网连接处， 设置第一锥套 1 3、 第二锥套 14和锥销 15。 其中第一 锥套 1 3 、第二锥套 14分别固定在前后筛网相邻端面。当向筛体内推送时， 锥销 15穿入第一锥套 1 3、 第二锥套 14中， 由于锥销 15呈锥形， 前小后 大， 并且第三筛网 5也是倾斜安装， 前低后高。 因此在振动筛工作时锥销 15越装越紧。 而当第三筛网 5需抽出更换时， 当第三筛网 5拉出一半时到 铰接件 8处时， 可用一小工具， 轻轻敲击， 即可将锥销 15退出， 实现第三 筛网 5折叠收缩的作用， 能够实现在较小空间上筛网的更换。 此外， 对于图 7 , 有如下问题需要说明。
第一、 图 7第二层筛网中，第二筛网 4与第四筛网 1 1间隔 L仅仅是示 意性的表示， 在具体实施本发明时， 该间隔 L的大小以方便筛分另外一种 骨料为设计原则。 并且， 在整个图中， 下层筛网左侧要短于上一层筛网， 也就是说， 第四筛网 11的左侧短于第五筛网 10的左侧， 而第一筛网 3的 左侧短于第二筛网 4的左侧， 第二筛网 4的左侧短于第三筛网 5的左侧。
第二、铰接件 8和固定用连接组件 17示出的大小相对于筛体组件的比 例并非本发明具体实施时的比例。 在这里， 本发明仅仅示意性的说明具有 这个部件。 实际上，铰接件 8和固定用连接组件 17大小以不应对流过筛面 的骨料形成阻碍为设计原则。
参照图 8 , 图 8为本发明沥青搅拌设备用振动筛另一实施例的结构示 意图。
本实施例沥青搅拌设备用振动筛与图 7所示的实施例不同之处在于， 筛箱 1 内， 靠近筛箱 1的进料端设置有梳形分料挡板 6。 当骨料进入振动 筛进料口时， 经梳形分料挡板 6 , 实现混合料接料、 布料、 粗细料分离的 功能。 细料在梳形分料挡板 6后端梳形段提前落入第三筛网 5上， 然后细 粗粒径料依次分离， 落入第三筛网 5上， 避免了大量混合料在落入第三筛 网 5上时， 对第三筛网 5的直接沖击， 减少了第三筛网 5破损的机率， 延 长了第三筛网 5的使用寿命。
此外， 对于图 8 , 有如下问题需要说明。
第一、 图 8第二层筛网中，第二筛网 4与第四筛网 1 1间隔 L仅仅是示 意性的表示， 在具体实施本发明时， 该间隔 L的大小以方便筛分另外一种 骨料为设计原则。 并且， 在整个图中， 下层筛网左侧要短于上一层筛网， 也就是说， 第四筛网 11的左侧短于第五筛网 10的左侧， 而第一筛网 3的 左侧短于第二筛网 4的左侧， 第二筛网 4的左侧短于第三筛网 5的左侧。
第二、铰接件 8和固定用连接组件 17示出的大小相对于筛体组件的比 例并非本发明具体实施时的比例。 在这里， 本发明仅仅示意性的说明具有 这个部件。 实际上，铰接件 8和固定用连接组件 17大小以不应对流过筛面 的骨料形成阻碍为设计原则。
参照图 9 , 图 9为梳形分料挡板 6的结构示意图。 此外， 緩沖梳形分料挡板 6也可用另一方案： 即由梳形板 7与接料挡 板 16两部分可拆卸连接； 例如， 由螺栓连接。 这样， 梳形板 7方便拆换。 图 10为梳形板 7与接料挡板 16配合形成梳形粉料挡板的示意图。 图 11 为梳形板的结构示意图。
梳形分料挡板的使用， 可在物料到筛网上端时， 不同粒径的混合料在 此按粒径从小到大，依次落入下部筛网上，实现预分离，增大透筛率，提高筛 分效率，延长筛网使用寿命的作用。
综上所述， 本发明采用了一种三层五段式筛网结构解决振动筛五种筛 分料问题， 同时解决了压缩层数后筛网长度过长， 换筛不方便的问题， 另 外在振动筛进料端设置緩沖梳形分料挡板， 该緩沖梳形分料板与原挡料板 一体式设计，在实现挡料，平铺作用基础上，增加梳形分料段，使大量混合料 在此提前分离，细料先落入第一层 网上，提前透 ，粗料按粒径依次落入 筛网上，降低了大量混合料涌来时对第一张筛网的剧烈沖击，从而起到保护 筛网， 延长了第一张筛网使用寿命及提高筛分效率的作用。
以上仅为本发明的较佳实施例而已， 并不用以限制本发明， 凡在本发 明的精神和原则之内， 所作的任何修改、 等同替换、 改进等， 均应包含在 本发明的保护范围之内

Claims

权 利 要 求
1、 一种沥青搅拌设备用筛网组件，
包括沿水平方向倾斜设置的第一筛网、 第二筛网、 第三筛网、 第四筛 网和第五筛网； 其特征在于，
所述第一筛网、 第二筛网、 第三筛网、 第四筛网和第五筛网的筛孔孔 径依次增大， 呈三层两列分布； 其中
所述第三筛网与所述第五筛网相连接， 设置于第一层；
所述第二筛网与所述第四筛网设置于第二层， 且两筛网间设有间隔， 所述间隔用于通过所述第三筛网的筛下料与所述第二筛网的筛上料；
所述第一筛网设置于第三层； 以及，
所述第三 网、 所述第二 网和所述第一 网位于第一列， 所述第五 筛网和所述第四筛网位于第二列。
2、 根据权利要求 1所述的沥青搅拌设备用筛网组件， 其特征在于， 所述第三筛网包括第一子网、 第二子网和铰接件；
所述第一子网与所述第二子网通过所述铰接件对接形成活动连接； 并 且
所述第三筛网还包括可拆卸的固定用连接组件， 用于固定所述铰接件 活动连接的第一子网和第二子网。
3、 根据权利要求 2所述的沥青搅拌设备用筛网组件， 其特征在于， 所述可拆卸的固定用连接组件包括第一锥套、 第二锥套和锥销； 所述第一锥套连接于第一子网， 所述第二锥套连接于二子网； 所述锥 销呈锥形， 同时卡接于所述第一锥套和所述第二锥中， 以固定所述第一子 网和第二子网。
4、 根据权利要求 1所述的沥青搅拌设备用筛网组件， 其特征在于， 所述第三筛网与所述第五筛网通过中间支撑梁连接。
5、一种沥青搅拌设备用振动筛， 包括筛箱、设置于所述筛箱内的筛体 组件以及设置于所述筛箱顶部激振器； 其特征在于，
所述 体组件包括：
沿水平方向倾斜设置的第一筛网、 第二筛网、 第三筛网、 第四筛网和 第五 网； 其特征在于， 所述第一筛网、 第二筛网、 第三筛网、 第四筛网和第五筛网的筛孔孔 径依次增大， 呈三层两列分布； 其中
所述第三筛网与所述第五筛网相连接， 设置于第一层；
所述第二筛网与所述第四筛网设置于第二层， 且两筛网间设有间隔， 所述间隔用于通过所述第三筛网的筛下料与所述第二筛网的筛上料；
所述第一筛网设置于第三层； 以及，
所述第三 网、 所述第二 网和所述第一 网位于第一列， 所述第一 列靠近所述筛箱的进料端； 所述第五筛网和所述第四筛网位于第二列， 所 述第二列靠近所述筛箱的出料端。
6、 根据权利要求 5所述的沥青搅拌设备用振动筛， 其特征在于， 所述第三筛网包括第一子网、 第二子网和铰接件；
所述第一子网与所述第二子网通过所述铰接件对接形成活动连接； 并 且
所述第三筛网还包括可拆卸的固定用连接组件， 所述可拆卸的固定用 连接组件用于固定所述铰接件活动连接的第一子网和第二子网。
7、 根据权利要求 6所述的沥青搅拌设备用振动筛， 其特征在于， 所述可拆卸的固定用连接组件包括第一锥套、 第二锥套和锥销； 所述第一锥套连接于第一子网， 所述第二锥套连接于二子网； 所述锥 销呈锥形， 同时卡接于所述第一锥套和所述第二锥中， 以固定所述第一子 网和第二子网。
8、 根据权利要求 5-7所述的沥青搅拌设备用振动筛， 其特征在于， 所述筛箱内， 靠近所述筛箱的进料端设置有梳形分料挡板。
9、 根据权利要求 8所述的沥青搅拌设备用振动筛， 其特征在于， 所述梳形分料挡板包括梳形板和接料板， 所述梳形板与所述接料板可 拆卸连接。
10、 根据权利要求 9所述的沥青搅拌设备用振动筛， 其特征在于， 所述梳形板与所述接料板通过螺栓可拆卸连接。
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