WO2012000381A1 - 可调节落料的卸料斗装置及具有其的混凝土搅拌设备 - Google Patents

可调节落料的卸料斗装置及具有其的混凝土搅拌设备 Download PDF

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Publication number
WO2012000381A1
WO2012000381A1 PCT/CN2011/075617 CN2011075617W WO2012000381A1 WO 2012000381 A1 WO2012000381 A1 WO 2012000381A1 CN 2011075617 W CN2011075617 W CN 2011075617W WO 2012000381 A1 WO2012000381 A1 WO 2012000381A1
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WO
WIPO (PCT)
Prior art keywords
discharge
hopper
valve body
valve
rotating shaft
Prior art date
Application number
PCT/CN2011/075617
Other languages
English (en)
French (fr)
Inventor
黄向阳
倪小青
张家平
张架桥
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
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 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
Priority to BR112012030425A priority Critical patent/BR112012030425A2/pt
Publication of WO2012000381A1 publication Critical patent/WO2012000381A1/zh

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00Component parts, details or accessories for large containers
    • B65D90/54Gates or closures
    • B65D90/62Gates or closures having closure members movable out of the plane of the opening
    • B65D90/623Gates or closures having closure members movable out of the plane of the opening having a rotational motion
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C7/00Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
    • B28C7/16Discharge means, e.g. with intermediate storage of fresh concrete
    • B28C7/161Discharge means, e.g. with intermediate storage of fresh concrete with storage reservoirs for temporarily storing the fresh concrete; Charging or discharging devices therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00Component parts, details or accessories for large containers
    • B65D90/54Gates or closures
    • B65D90/66Operating devices therefor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/20Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation arranged externally of valve member
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/20Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation arranged externally of valve member
    • F16K1/2007Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation arranged externally of valve member specially adapted operating means therefor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/20Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation arranged externally of valve member
    • F16K1/2021Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation arranged externally of valve member with a plurality of valve members
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2590/00Component parts, details or accessories for large containers
    • B65D2590/54Gates or closures
    • B65D2590/66Operating devices therefor
    • B65D2590/664Operating devices therefor actuating mechanism other than manual, e.g. pneumatic, electropneumatic, hydraulic, electromagnetic

Definitions

  • the present invention relates to an unloading hopper apparatus with adjustable blanking and a concrete mixing apparatus therewith.
  • the mixing machine is provided with a discharge hopper device for controlling the discharge speed.
  • the discharge door of the existing discharge hopper device on the mixing machine has three states: a fully open state, a half open state, and a closed state.
  • the unloading structure of the concrete mixing station is generally as follows. Usually, the unloading hopper is installed under the unloading valve of the mixing main body. The unloading hopper is used for the transition storage concrete, and the rubber tube is installed at the bottom of the unloading hopper, and the clamping device is used to control the unloading. Fully open, half open and closed.
  • the main discharge valve can be half-opened or reduced in half-opening time during operation to increase the full-opening time, thereby greatly increasing the discharge speed of the single-disc material.
  • the main discharge valve is simply removed, the concrete will quickly enter the discharge hopper.
  • the concrete collected in the discharge hopper also enters the feed inlet of the mixer quickly, which may cause the concrete to accumulate at the feed port, resulting in The mixer will block the material, which will affect the discharge time. Therefore, only the unloading hopper device of the three control states of half open, full open and closed can not meet the actual unloading demand.
  • the technical problem to be solved by the present invention is to provide a discharge hopper device capable of controlling blanking and a concrete mixing device having the same, which can conveniently control the degree of opening and closing of the discharge valve.
  • the present invention provides a discharge hopper device capable of controlling blanking, comprising: a discharge hopper assembly; and a discharge valve assembly connected to the lower portion of the discharge hopper assembly, the discharge valve assembly comprising: a cylindrical valve
  • the body is connected to the valve hopper assembly and has a blanking passage; the valve portion is disposed on the tubular valve body, and includes: a rotating shaft, and a door panel connected to the rotating shaft, and a driving portion connected to the end of the rotating shaft, driving The rotating shaft selectively positions the door panel at any position between the fully open position and the fully closed position.
  • valve portion is a split door structure including an opposite pair of rotating shafts and a corresponding pair of door plates.
  • the driving portion includes: a cylinder including a cylinder block and a piston rod; and two rocker arms, wherein one rocker arm portion is connected between the cylinder block and a corresponding one of the rotating shafts, and the other rocker arm portion is connected to the piston rod and Corresponding to another axis of rotation.
  • cylindrical valve body portion includes: a cylindrical valve body; a guard plate disposed on the inner wall of the valve body and extending inwardly, the guard plate being located above the valve portion.
  • the shield is a ring member having a diameter smaller than a closed plug size of the pair of door panels.
  • it can be a flat ring
  • the shield is an inverted tapered ring that is received by the lower end.
  • valve body is cylindrical, and both ends of the door plate facing both ends of the rotating shaft have curved edges.
  • the curved edge can be adapted to the cylindrical inner wall of the cylindrical body or to the lower end of the inverted tapered annular shield to better cover or block the blanking passage.
  • the discharge valve assembly further includes an opposite pair of seat portions, including: a housing connected to the side wall of the cylindrical valve body, including an opening portion opening toward the cylindrical valve body; and the first seat body And the second seat body are respectively disposed at two ends of the casing, and the side wall of the cylindrical valve body is provided with a side opening corresponding to the opening portion of each seat body portion; a pair of rotating shafts are respectively disposed on the pair of seat bodies And passing through the respective first and second bases of the pair of seat portions.
  • the discharge hopper assembly comprises: a plurality of bucket plates, the upper end of each bucket plate being a straight edge, the lower The upper end is a tip end, and the upper end of each bucket is sequentially connected to form a polygonal upper bucket; a plurality of curved plates, each of which has a top end and a lower end with a circular arc, and the lower ends of the curved plates are sequentially connected to each other. a circular lower bucket mouth; wherein, the plurality of bucket plates and the plurality of curved plates are spaced apart from each other and connected by the side edges.
  • the discharge hopper assembly further includes: a plurality of connecting plates respectively disposed on each side of the upper bucket opening and protruding outward; the discharge cylinder being connected below the lower bucket opening; and the discharge hopper flange connected The lower end of the discharge cylinder; the upper end of the cylindrical valve body portion of the discharge valve assembly is provided with a valve flange that cooperates with the flange of the discharge hopper.
  • a concrete mixing apparatus comprising a stirring main body and any one of the above-described controllable blanking discharge hoppers mounted on the mixing main unit.
  • the driving portion is connected to the end of the rotating shaft, and the rotating shaft is driven to selectively position the door panel at any position between the fully open position and the fully closed position, so that the valve door panel can be conveniently controlled.
  • the degree of opening and closing, and thus effectively control the unloading process improve the unloading speed of concrete mixing equipment, and improve work efficiency.
  • the invention adopts a valve structure for opening the door, and uses two end portions of the cylinder to connect and drive the corresponding valve door plates of the two rotating shafts of the valve portion through the rocker arm portion, and the driving structure is designed to be single, and the two valve door plates are evenly stressed. , and the blanking is always dropped by the middle position between the two door panels, and the blanking position is balanced, which is convenient for blanking.
  • the guard plate is provided in the body of the cylindrical valve, which can effectively prevent the concrete mortar and other materials from splashing or infiltrating into the rotating shaft, reducing the wear of the rotating shaft and improving the life of the valve assembly.
  • valve door panel pivots inside the cylindrical, especially cylindrical valve body, and there is often a large fit clearance between the two, and the present invention further defines an annular guard plate that can be closed with the valve door panel. The next 4 ⁇ well to achieve the blockage of the material.
  • the annular guard plate may be a flat annular member or an inverted tapered annular member that is received at the lower end. In the latter case, the valve is more advantageous for the material to be unloaded relative to the former.
  • the seat body portion is arranged on the tubular valve body, and the valve portion is mounted on the valve body portion through the seat body portion, and the structure is stable and reliable.
  • the discharge hopper assembly includes a bucket plate and a curved plate to form a structure with an upper lower circle, so that the upper end can be In combination with the square discharge opening on the mixing device, the circular discharge structure below is more favorable for unloading, so that it can better meet the actual needs and achieve better discharge effect.
  • Figure 1 is a perspective view showing a preferred embodiment of a discharge hopper apparatus of the present invention
  • Figure 2 is a perspective view showing the three-dimensional structure of the discharge hopper assembly of the discharge device of Figure 1; and Figure 3 is a partially cutaway perspective view of the discharge hopper assembly of the discharge device of Figure 1.
  • the discharge hopper apparatus of the present invention includes a discharge hopper assembly 10 and a discharge valve assembly 20.
  • the lower end of the discharge hopper assembly has a discharge hopper flange 211, and the upper end of the discharge valve assembly 20 is provided with a valve flange 215.
  • Two flanges, discharge valve assembly 20 are coupled to the underside of the discharge hopper assembly 10.
  • the discharge valve assembly 20 includes a cylindrical valve body portion 21, a valve portion 23, and a drive portion 24, and a seat portion 22 may be further disposed on the cylindrical valve body portion 21, and the valve portion 23 is mounted on The seat portion 22 is attached to the tubular valve body portion 21 in the seat portion 22.
  • the cylindrical valve body portion 21 includes a cylindrical valve body 211 which may be, for example, a square tube shape or a cylindrical shape. In this embodiment, it is cylindrical.
  • a discharge hopper flange 215 is connected to the upper end of the valve body 211.
  • a side opening is provided on a side wall of the cylindrical valve body 211 for mounting the valve portion 23 at this position. And a seat portion 22 (if any) for supporting the valve portion.
  • the valve portion 23 may have a single-opening structure or a structure in which the door is opened.
  • the valve portion 23 is a split door structure including an opposite pair of rotating shafts 231 and a corresponding pair of door plates 232, and the rotating shaft 231 is disposed on the side wall of the cylindrical valve body At the upper side opening, the door panel 232 is coupled to the rotating shaft 231 so that the door panel of the valve portion 23 can be located inside the cylindrical valve body 211.
  • the door panel for controlling the blanking is a door panel which can be mounted on the rotating shaft 10 by fasteners (bolts, bolsters, nuts, etc.) 233, or can be welded on the rotating shaft, through the opening and closing of the door panel, to reach the adjustment control concrete falling The amount of material.
  • the cylindrical valve body 211 is provided with a pair of opposite side openings.
  • a seat portion 22 is separately mounted in opposed form.
  • Each of the seat portions 22 includes a housing 221 and a first body 222 and a second seat 223 at the ends of the housing, respectively.
  • the housing 221 is coupled to the side wall of the cylindrical valve body 211, and includes two vertically disposed first housing plates 221a on the side, two oppositely connected to the lower edge of the upper edge of the first housing plate 221a, and two parallel arrangements
  • the second casing plate 221b and the third casing plate connected to the end of the second casing plate 221b of the first casing plate 221a further include an opening portion 221d that opens toward the side opening 217 of the cylindrical valve body 211.
  • a rotating shaft 231 is disposed in each of the seats, and both ends of the rotating shaft 231 are supported by the first base 222 and the second base 223, respectively.
  • the driving portion 24 is coupled to the end of the rotating shaft 231 and includes a cylinder 241 and two rocker arms 242.
  • the cylinder 241 includes a cylinder block and a piston rod
  • the rocker arm portion 242 is configured in the form of a crank arm, wherein one rocker arm portion 242 is coupled between the rear end of the cylinder block and a corresponding one of the rotating shafts 231, and the other rocker arm portion 242 is coupled to Between the front end of the piston rod and the other rotating shaft 231 corresponding thereto.
  • the extension length of the piston rod can be changed, so that the door panel can be placed at any desired position between the fully open position and the fully closed position, thereby facilitating the adjustment of the opening and closing of the discharge valve. degree. Opening and closing of the door panel will change the size of the discharge hopper outlet to adjust and control the discharge.
  • the driving device of the driving portion 24 may be an actuator such as a motor.
  • the cylindrical valve body 211 further has a shield 216 which is disposed on the inner wall of the valve body 211 and extends inward.
  • the shield 216 and unloading The valve flange 216 at the upper end of the valve is connected.
  • the purpose of the guard plate is to prevent the concrete mortar from splashing or infiltrating into the rotating shaft 10, and further draining into the mating interval of the bearing seat body and the rotating shaft to accelerate the wear of the rotating shaft and the shaft 7.
  • the shield 216 may have various forms, for example, it may extend above the rotating shaft 231 of the valve portion 23, covering a portion of the rotating shaft 231 exposed in the valve body 211 from the upper side, or may further cover the guard 216 at the valve. Above section 23.
  • the shield is an inverted tapered ring that is received at the lower end, which not only provides better protection but also facilitates the falling of the material.
  • the shield may also be a planar ring member, for example in the form of a flat pad.
  • the inner diameter of the shield is smaller than the outer diameter of the entire closure area of the pair of door panels 232 when closed to better block the blanking passage.
  • valve body body 211 is cylindrical, and both ends of the door plate 232 facing the both ends of the rotating shaft 231 have curved edges.
  • the curved edge can be adapted to the cylindrical inner wall of the cylindrical body or to the lower end of the inverted tapered annular shield to better cover or seal the blanking passage.
  • the discharge hopper cone portion of the discharge hopper assembly 10 is welded by the curved plate 11 and the bucket plate 13, and includes a plurality of bucket plates 13 and a plurality of curved plates 11.
  • a plurality of bucket plates 13 and a plurality of curved plates 11 are spaced apart from each other and connected by side edges.
  • the upper end of each bucket 13 is a straight side, and the lower end is a tip end.
  • the upper end of each bucket 13 is connected in sequence to form a polygonal upper bucket; a plurality of curved plates 11 each having an upper end and a lower end. As a circular arc side, the lower ends of the curved plates 11 are sequentially connected to form a circular lower bucket opening.
  • the hopper assembly 10 further includes a plurality of webs 12 that are respectively disposed on respective sides of the upper hopper opening and that protrude outward. These connecting plates 12 are welded around the discharge hopper to form a mounting plane which is mounted on the mixing platform of the concrete mixing station. In a specific implementation, the connecting plates may also be flange portions formed by the upper end edges of the respective bucket plates.
  • the discharge cylinder 14 is welded under the lower bucket mouth, and the discharge cylinder 14 is connected with the bottom of the discharge bucket cone to ensure that the concrete in the cone bucket is guided by the self-weight into the discharge cylinder.
  • the bottom of the discharge cylinder 14 can weld the discharge hopper flange.
  • the discharge hopper flange 211 is coupled to the valve flange 215 provided at the upper end of the cylindrical valve body portion 21 of the discharge valve assembly 20.
  • the discharge hopper flange 211 is mounted on the discharge hopper cone by fasteners such as bolts
  • the discharge hopper flange at the bottom is not limited to the above-described lower circular shape as needed, and may be provided in various forms such as a circular shape, a conical shape, a square cylindrical shape, and an upper circle.
  • the discharge valve assembly at the bottom end of the discharge hopper assembly can be made in one piece.
  • the discharge hopper assembly and the discharge valve assembly are connected by flanges, which are easy to manufacture and install on the one hand, and easy to repair and disassemble on the other hand.
  • the agitation apparatus (not shown) of the present invention includes a stirring main unit and the unloading hopper apparatus of the present invention mounted on the agitating main unit.
  • the working principle of the stirring device (for example, a mixer truck) of the present invention is as follows. Under normal circumstances, when the main unit unloads the material, the main unit unloading door is fully open and half open, and the main discharge door is in a semi-open state. After the concrete is stirred, the concrete enters the unloading hopper. When the concrete mixing station is normally feeding, the mixer has already waited at the discharge opening at the bottom of the discharge hopper. At the beginning of unloading, the concrete quickly enters the discharge hopper and quickly flows into the feed port of the mixer.
  • the rapidity causes the concrete to block at the feed port of the mixer, causing the material to overflow.
  • the driving device is turned on. Due to the action of the driving device, the door panel rotates together with the rotating shaft, and the size of the discharge opening of the unloading hopper is changed by the rotation of the material door to achieve the purpose of controlling the blanking amount of the discharging hopper.
  • the discharge hopper apparatus and the agitation apparatus of the present invention are not limited to use in construction engineering machinery, and can be applied to similar agitation construction apparatuses in other fields.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Accessories For Mixers (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)

Description

可调节落料的卸料斗装置及具有其的混凝土搅拌设备 本申请要求于 2010 年 6 月 30 日提交中国专利局、 申请号为 201010222745.4、 发明名称为"可调节落料的卸料斗装置及具有其的混凝土 搅拌设备"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
本发明涉及一种可调节落料的卸料斗装置及具有其的混凝土搅拌设 备。
背景技术
在建筑工程机械领域, 混凝土搅拌站 (楼)正在经历着迅猛发展, 客 户越来越追求产品的品质, 一方面要求更高的搅拌效率, 另一方面追求更 短的搅拌循环周期。
混凝土搅拌站正常工作循环中, 影响搅拌站工作周期的因素很多, 其 中一个重要因素就是搅拌主机卸料时间。
搅拌主机上都设置有卸料斗装置, 用来控制卸料速度。 搅拌主机上的 现有卸料斗装置的卸料门有三种状态: 全开状态、 半开状态、 闭合状态。 混凝土搅拌站卸料结构一般为如下方式, 通常是在搅拌主机卸料阀门下安 装卸料斗, 卸料斗用于过渡存储混凝土, 并在卸料斗底部安装夹布橡胶管, 应用夹棍装置, 控制卸料的全开、 半开和闭合。 为了提高卸料速度, 降低 单盘卸料时间, 作业时可以取消主机卸料阀门半开或减少半开时间, 以便 增大全开时间, 从而大大提高单盘料卸料速度。 但是, 如果单纯取消主机 卸料阀门半开, 混凝土将快速进入卸料斗中, 聚集在卸料斗中的混凝土同 时也快速进入搅拌车进料口, 可能会导致混凝土在进料口处积料, 造成搅 拌车堵料, 反而会影响卸料时间。 因此, 只有半开、 全开和闭合三种控制 状态的卸料斗装置并不能满足实际的卸料需求。
因此, 业界需要对卸料斗装置进行改进, 以便能够方便地控制卸料阀 门开闭程度。 发明内容
本发明所要解决的技术问题是提供一种可控制落料的卸料斗装置及具 有其的混凝土搅拌设备, 能够方便地控制卸料阀门开闭程度。
为解决上述技术问题, 本发明提供了一种可控制落料的卸料斗装置, 包括: 卸料斗组件; 以及卸料阀门组件, 连接到卸料斗组件的下方, 卸料 阀门组件包括: 筒状阀体部, 与阀料斗组件连接, 具有落料通道; 阀门部, 设置在筒状阀体部上, 包括: 转轴, 以及门板, 连接到转轴上, 以及驱动 部, 连接到转轴的端部, 驱动转轴使门板选择性地处于全开位置和全闭位 置之间的任意位置。
进一步地, 阀门部为对开门结构, 包括对置的一对转轴和相应的一对 门板。
进一步地, 驱动部包括: 气缸, 包括气缸体和活塞杆; 以及两个摇臂 部, 其中一个摇臂部连接在气缸体与相应的一个转轴之间, 另一个摇臂部 连接在活塞杆和与之相应的另一个转轴之间。
进一步地, 筒状阀体部包括: 筒状的阀体本体; 护板, 设置在阀体本 体内壁上并向内侧延伸, 护板位于阀门部上方。
进一步地,护板为环形件,其内孔直径小于一对门板的闭合封堵尺寸。 比如其可以是平面的环形件
进一步地, 护板为下端内收的倒锥状环形件。
进一步地, 阀体本体为圓筒状, 门板的朝向转轴两端的两个端部具有 弧形边缘。 弧形边缘不但可与筒状本体的圓筒形内壁相适应, 也可以与倒 锥状环形护板的下端相适应, 以更好地覆盖或封堵落料通道。
进一步地, 卸料阀门组件还包括对置的一对座体部, 包括: 壳体, 连 接在筒状阀体的侧壁上, 包括朝向筒状阀体敞开的开口部; 以及第一座体 和第二座体, 分别设置在壳体两端, 筒状阀体的侧壁上设置有与每一个座 体部的开口部相对应的侧面开口; 一对转轴分别设置在该一对座体部中, 并通过该一对座体部的各自的第一座体和第二座体支撑。
进一步地, 卸料斗组件包括: 多个斗板, 每个斗板的上端为直边, 下 端为尖端, 各斗板的上端直边依次连接形成多边形上斗口; 多个弧形板, 每个弧形板的上端为尖端, 下端为圓弧边, 各弧形板的下端依次连接形成 圓形下斗口; 其中, 多个斗板与多个弧形板彼此间隔布置并以侧边相连。
进一步地, 卸料斗组件还包括: 多个连接板, 分别设置在上斗口的各 个边上, 并向外侧凸出; 出料筒, 连接在下斗口的下方; 以及卸料斗法兰, 连接在出料筒的下端; 卸料阀门组件的筒状阀体部的上端设置有与卸料斗 法兰相配合的阀门法兰。
根据本发明的另一个方面, 还提供了一种混凝土搅拌设备, 包括搅拌 主机和安装在所述搅拌主机上的以上所述的任一种可控制落料的卸料斗装 置。
本发明具有以下技术效果:
1. 由于卸料装置中, 驱动部连接到转轴的端部, 驱动所述转轴使所述 门板选择性地处于全开位置和全闭位置之间的任意位置, 因而可以方便地 控制阀门门板的开闭程度, 进而有效地控制卸料过程, 提高混凝土搅拌设 备的卸料速度, 提高工作效率。
2. 本发明采用对开门的阀门结构, 并利用气缸两端通过摇臂部连接和 驱动阀门部的两个转轴相应的阀门门板, 此种驱动结构设计筒单, 并且两 个阀门门板受力均匀, 并且落料始终由两个门板之间的中间位置落下, 落 料位置均衡, 便于落料。
3. 筒状阀体部中设置护板,可以有效地防止混凝土砂浆等物料飞溅或 渗入到转轴上, 减少转轴磨损, 可以提高阀门组件的寿命。
4. 阀门门板在筒状特别是圓筒状阀体内部枢转,二者之间往往会有较 大的配合间隙, 而本发明中进一步限定了环形护板, 其可以与阀门门板在 闭合状态下 4艮好地实现对物料的封堵。
5.环形护板可以是平面的环形件,也可以是下端内收的倒锥状环形件, 在后者的情况下, 相对于前者, 阀门打开时更有利于物料的下卸。
6.在筒状阀体上设置座体部,阀门部通过该座体部来安装到阀体部上, 结构稳定、 可靠。
7. 卸料斗组件包括斗板和弧形板, 形成上方下圓的结构, 这样上端可 以与搅拌设备上的方形出料口配合, 下方的圓形出料结构更有利于卸料, 从而能够更好地满足实际需要, 实现更好的卸料效果。
除了上面所描述的目的、 特征和优点之外, 本发明还有其它的目的、 特征和优点。 下面将参照图, 对本发明作进一步详细的说明。
附图说明
附图用来提供对本发明的进一步理解, 构成本申请的一部分, 本发明 的示意性实施例及其说明用于解释本发明,并不构成对本发明的不当限定。 在附图中:
图 1 示出了本发明的卸料斗装置的一个优选实施例的立体结构示意 图;
图 2示出了图 1中的卸料装置中卸料斗组件的立体结构示意图; 以及 图 3示出了图 1中的卸料装置中卸料斗组件的局部剖切的立体结构示 意图。
具体实施方式
以下结合附图对本发明的实施例进行详细说明, 但是本发明可以由权 利要求限定和覆盖的多种不同方式实施。
参见图 1 ,本发明的卸料斗装置包括卸料斗组件 10和卸料阀门组件 20, 卸料斗组件的下端具有卸料斗法兰 211 , 卸料阀门组件 20的上端设置有阀 门法兰 215 , 通过这两个法兰, 卸料阀门组件 20连接到卸料斗组件 10的 下方。
再来参见图 2和图 3 , 卸料阀门组件 20包括筒状阀体部 21、 阀门部 23和驱动部 24,在筒状阀体部 21上可以进一步设置座体部 22, 阀门部 23 安装在所述座体部 22中, 并过座体部 22安装到筒状阀体部 21上。
筒状阀体部 21包括筒状的阀体本体 211 , 例如, 其可以是方筒状, 也 可以圓筒状。 本实施例中为圓筒状。 阀体本体 211的上端连接有卸料斗法 兰 215。
筒状阀体 211的侧壁上设置有侧面开口, 用于在此位置安装阀门部 23 和用于支撑阀门部的座体部 22 (如果有)。
阀门部 23可以采用单开门的结构, 也可以采用对开门的结构。 从图 2 和图 3可以看到, 在本实施例中, 阀门部 23为对开门结构, 包括对置的一 对转轴 231和相应的一对门板 232, 转轴 231布置在筒状阀体侧壁上的侧 面开口处, 门板 232连接到转轴 231上,使阀门部 23的门板可以位于筒状 阀体 211的内部。 控制落料的门板为一门板可通过紧固件(螺栓、 垫圏和 螺母等) 233安装在转轴 10上, 也可焊接在转轴上, 通过门板的开启和闭 合, 以到达调节控制混凝土的落料量。
从图 2和图 3中可以看到, 为了布置对置的一对转轴, 筒状阀体 211 上设置了对置的一对侧面开口。 在每个侧面开口处, 以对置的形式分别安 装一个座体部 22。每个座体部 22包括壳体 221 ,和分别位于壳体两端的第 一座体 222和第二座 223。 壳体 221连接在筒状阀体 211的侧壁上, 包括 位于侧面的竖立布置的第一壳体板 221a、 分别与第一壳体板 221a的上边 缘的下边缘连接并平行布置的两个第二壳体板 221b、 以及连接在第一壳体 板 221a第二壳体板 221b的端部的第三壳体板, 还包括朝向筒状阀体 211 的侧面开口 217敞开的开口部 221d。 每个座体中设置一个转轴 231 , 转轴 231的两端分别通过第一座体 222和第二座体 223支撑。
驱动部 24连接到转轴 231的端部, 包括气缸 241和两个摇臂部 242。 气缸 241包括气缸体和活塞杆, 摇臂部 242配置为曲臂的形式, 其中一个 摇臂部 242连接在气缸体的后端与相应的一个转轴 231之间, 另一个摇臂 部 242连接在活塞杆的前端和与之相应的另一个转轴 231之间。 这样, 当 气缸 241驱动时, 活塞杆相对气缸体伸出, 则气缸作为一个整体, 其两端 分别驱动两个门轴同时枢转, 从而改变门板 232的枢转角度。 通过控制进 入气缸或从气缸排出的气流, 可以改变活塞杆的伸出长度, 从而可以使门 板处于全开位置和全闭位置之间的任意所需位置, 实现方便地调节卸料阀 门的开闭程度。 门板的开启和闭合将改变卸料斗出料口的大小, 以达到调 节和控制卸料量。 驱动部 24的驱动装置也可以是电机等执行机构。
再来看图 2和图 3 , 筒状的阀体本体 211中还具有护板 216,其设置在 阀体本体 211内壁上并向内侧延伸。 在图中示出的实施中, 护板 216与卸 料阀门上端部的阀门法兰 216连接。 护板的目的是防止混凝土砂浆飞溅或 渗入到转轴 10上,进一步引流到轴承座座体与转轴的配合间歇中,加速转 轴与轴 7 座的磨损。 护板 216可以有多种形式, 例如, 其可以在阀门部 23 的转轴 231的上方延伸, 覆盖从上向上看转轴 231在阀体本体 211内暴露 的部分,也可以进一步覆盖护板 216位于阀门部 23上方。通过覆盖转轴的 暴露部分, 可以对转轴起到很好的防护作用, 防止砂浆等物料飞溅到转轴 上, 防止对转轴的磨损。 从图 2和图 3中可以看到, 护板为下端内收的倒 锥状环形件, 这不但可以起到更好的防护作用, 而且有利于物料的下落。 护板还可以是平面的环形件, 例如呈一平垫状。 在本实施例中, 护板的内 孔直径小于一对门板 232在闭合时的整个封堵区域的外围尺寸, 以更好的 封堵落料通道。
仍然参见图 2和图 3, 阀体本体 211为圓筒状, 门板 232的朝向转轴 231 两端的两个端部具有弧形边缘。 弧形边缘不但可与筒状本体的圓筒形 内壁相适应, 也可以与倒锥状环形护板的下端相适应, 以更好地覆盖或封 堵落料通道。
再来看图 1 , 卸料斗组件 10的卸料斗锥体部分由弧形板 11和斗板 13 拼焊而成, 包括多个斗板 13和多个弧形板 11。 多个斗板 13与多个弧形板 11彼此间隔布置并以侧边相连。 每个斗板 13的上端为直边, 下端为尖端, 各斗板 13的上端直边依次连接形成多边形上斗口; 多个弧形板 11 , 每个 弧形板 11的上端为尖端, 下端为圓弧边, 各弧形板 11的下端依次连接形 成圓形下斗口。 为了增加耐磨性, 锥斗的各侧板(包括斗板和弧形板) 内 侧可安装耐磨村板。 卸料斗组件 10进一步包括多个连接板 12, 分别设置 在上斗口的各个边上, 并向外侧凸出。这些连接板 12围焊在卸料斗上部位 形成安装平面,此安装面安装在混凝土搅拌站搅拌层平台上。具体实施时, 这些连接板也可以是各个斗板的上端边缘翻边而形成的翻边部。 出料筒 14 焊接在下斗口的下方, 出料筒 14与卸料斗锥体底部连接,可以保证锥斗中 的混凝土依靠自重导流进入出料筒中。 出料筒 14底部可焊接卸料斗法兰。 该卸料斗法兰 211与卸料阀门组件 20的筒状阀体部 21的上端设置的阀门 法兰 215配合连接。 卸料斗法兰 211通过螺栓等紧固件安装在卸料斗锥体 底部的卸料斗法兰。 根据需要, 卸料斗不限于所示出的上方下圓形式, 也 可以设置为圓形的, 锥形的, 方形筒状的, 上圓下方的等各种形式。
卸料斗组件底端的卸料阀门组件可以制作成整体。 卸料斗组件与卸料 阀门组件通过法兰盘连接, 一方面便于制作和安装, 另一方面便于维修拆 卸。
本发明的搅拌设备(未示出) 包括搅拌主机和安装在搅拌主机上的本 发明的卸料斗装置。 本发明的搅拌设备(例如搅拌车) 的工作原理如下。 通常情况下, 搅拌主机卸料时, 主机卸料门有全开和半开, 卸料初时状态, 主机卸料门呈半开状态, 混凝土搅拌完毕后, 混凝土进入卸料斗中。 混凝 土搅拌站正常打料时, 搅拌车已经在卸料斗底部卸料口处等待接料。 卸料 开始, 混凝土快速进入卸料斗中, 并快速流入搅拌车进料口, 过快速度使 混凝土在搅拌车进料口堵料, 导致溢料。 为了控制卸料速度, 开启驱动装 置, 由于驱动装置的作用, 门板随转轴一起转动, 通过料门的转动改变卸 料斗出料口的大小, 以达到控制卸料斗落料量的目的。
本发明的卸料斗装置和搅拌设备并不限于用在建筑工程机械方面, 其 还可以应用于其他领域中类似的搅拌施工设备中。
以上所述仅为本发明的优选实施例而已, 并不用于限制本发明, 对于 本领域的技术人员来说, 本发明可以有各种更改和变化。 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
1.一种可控制落料的卸料斗装置, 包括:
卸料斗组件(10); 以及
卸料阀门组件 (20), 连接到所述卸料斗组件(10) 的下方,
其特征在于, 所述卸料阀门组件(20) 包括:
筒状阀体部 (21), 与所述阀料斗组件连接, 具有落料通道;
阀门部 (23), 设置在所述筒状阀体部 (21)上, 包括:
转轴(231 ), 以及
门板(232), 连接到所述转轴(231)上, 以及
驱动部 (24), 连接到所述转轴(231) 的端部, 驱动所述转轴使所述 门板(232)选择性地处于全开位置和全闭位置之间的任意位置。
2.根据权利要求 1所述的卸料斗装置, 其特征在于, 所述阀门部( 23 ) 为对开门结构, 包括对置的一对所述转轴 (231 )和相应的一对所述门板
( 232 )。
3.根据权利要求 2所述的卸料斗装置, 其特征在于, 所述驱动部( 24 ) 包括:
气缸(241), 包括气缸体和活塞杆; 以及
两个摇臂部(242), 其中一个摇臂部(242)连接在所述气缸体与相应 的一个所述转轴(231)之间, 另一个摇臂部 (242)连接在所述活塞杆和 与之相应的另一个所述转轴 ( 231 )之间。
4.根据权利要求 2所述的卸料斗装置, 其特征在于, 所述筒状阀体部 (21) 包括:
筒状的阀体本体(211 );
护板(216), 设置在所述阀体本体(211 ) 内壁上并向内侧延伸, 所述 护板( 216 )位于所述阀门部 ( 23 )上方。
5.根据权利要求 4所述的卸料斗装置, 其特征在于, 所述护板为环形 件, 其内孔直径小于所述一对门板(232) 的闭合封堵尺寸。
6.根据权利要求 4或 5所述的卸料斗装置, 其特征在于, 所述护板为 下端内收的倒锥状环形件。
7.根据权利要求 4或 5所述的卸料斗装置, 其特征在于, 所述阀体本 体(211)为圓筒状, 所述门板(232)的朝向所述转轴(231 )两端的两个 端部具有弧形边缘。
8.根据权利要求 2所述的卸料斗装置, 其特征在于:
所述卸料阀门组件(20)还包括对置的一对座体部 (22), 包括:
壳体(221), 连接在所述筒状阀体(211)的侧壁上, 包括朝向所 述筒状阀体(211) 敞开的开口部; 以及
第一座体( 222 )和第二座体( 223 ), 分别设置在所述壳体( 221 ) 两端,
所述筒状阀体( 211 )的侧壁上设置有与每一个所述座体部( 22 )的开 口部相对应的侧面开口;
所述一对转轴(231 )分别设置在该一对座体部(22)中, 并通过该一 对座体部 (22) 的各自的第一座体(222)和第二座体(223 ) 支撑。
9.根据权利要求 1所述的卸料斗装置, 其特征在于, 所述卸料斗组件 ( 10) 包括:
多个斗板(13), 每个所述斗板(13)的上端为直边, 下端为尖端, 各 所述斗板(13) 的上端直边依次连接形成多边形上斗口;
多个弧形板(11), 每个所述弧形板(11)的上端为尖端, 下端为圓弧 边, 各所述弧形板( 11 ) 的下端依次连接形成圓形下斗口;
其中, 所述多个斗板(13) 与所述多个弧形板(11)彼此间隔布置并 以侧边相连。
10. 一种混凝土搅拌设备,其特征在于, 包括搅拌主机和安装在所述 搅拌主机上的根据以上任一权利要求所述的可控制落料的卸料斗装置。
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CN107541450A (zh) * 2017-08-24 2018-01-05 广西力源宝科技有限公司 一种防结料发酵配料系统
CN108840115A (zh) * 2018-09-03 2018-11-20 力鸿智信(北京)科技有限公司 一种上料装置及其控制方法
CN113968428A (zh) * 2021-09-26 2022-01-25 山东美事达农牧科技有限公司 一种适用于不同尺寸的饲料加工设备的闸板
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CN114474405A (zh) * 2022-01-24 2022-05-13 文成县旅居宏能混凝土有限公司 一种混凝土搅拌站
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