WO2015161768A1 - 一种机械摇臂式垂直投料缓冲装置 - Google Patents

一种机械摇臂式垂直投料缓冲装置 Download PDF

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Publication number
WO2015161768A1
WO2015161768A1 PCT/CN2015/077028 CN2015077028W WO2015161768A1 WO 2015161768 A1 WO2015161768 A1 WO 2015161768A1 CN 2015077028 W CN2015077028 W CN 2015077028W WO 2015161768 A1 WO2015161768 A1 WO 2015161768A1
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Prior art keywords
cushioning
buffer
right angle
elastic limiting
plate
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PCT/CN2015/077028
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English (en)
French (fr)
Inventor
缪协兴
张吉雄
张强
高瑞
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中国矿业大学
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Application filed by 中国矿业大学 filed Critical 中国矿业大学
Priority to US14/917,817 priority Critical patent/US9938083B2/en
Priority to AU2015251380A priority patent/AU2015251380B2/en
Publication of WO2015161768A1 publication Critical patent/WO2015161768A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G11/00—Chutes
    • B65G11/20—Auxiliary devices, e.g. for deflecting, controlling speed of, or agitating articles or solids
    • B65G11/206—Auxiliary devices, e.g. for deflecting, controlling speed of, or agitating articles or solids for bulk
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G11/00—Chutes
    • B65G11/08—Chutes with discontinuous guiding surfaces, e.g. arranged in zigzag or cascade formation
    • B65G11/085—Chutes with discontinuous guiding surfaces, e.g. arranged in zigzag or cascade formation with zig-zag formations
    • B65G11/088—Chutes with discontinuous guiding surfaces, e.g. arranged in zigzag or cascade formation with zig-zag formations for bulk
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G65/00—Loading or unloading
    • B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
    • B65G65/32—Filling devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
    • B65G69/16—Preventing pulverisation, deformation, breakage, or other mechanical damage to the goods or materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
    • B65G2201/04—Bulk
    • B65G2201/045—Sand, soil and mineral ore
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2207/00—Indexing codes relating to constructional details, configuration and additional features of a handling device, e.g. Conveyors
    • B65G2207/28—Impact protection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2814/00—Indexing codes relating to loading or unloading articles or bulk materials
    • B65G2814/02—Auxiliary devices or arrangements
    • B65G2814/0205—Auxiliary devices or arrangements for preventing breakage, pulverisation or damage to materials
    • B65G2814/0211—Auxiliary devices or arrangements for preventing breakage, pulverisation or damage to materials using moving braking means to slow down the speed during free fall

Definitions

  • the invention relates to a mechanical rocker type vertical feeding buffering device, and is particularly suitable for buffering ground material placement in a coal mine and metal mine integrated mechanized solid filling coal mining material buffering system.
  • the filling mining has realized the large-scale mining of the “three downs” coal, effectively improving the coal output rate of the mine, realizing the control of the surface and solving the problem of surface waste accumulation.
  • the general meteorite is thrown to the bottom of the well from a distance of 100 meters to a kilometer from the bottom of the well.
  • the general speed will reach 100m/s or more, and the high-speed meteorite has a great Impact force, if not buffered, will cause great damage to the bottom of the well storage bin when it reaches the bottom of the well, shortening the service life of the storage bin and causing waste of resources.
  • the object of the present invention is to provide a mechanical rocker arm which is simple in structure, safe and efficient, can effectively reduce the impact force of falling materials, and maintains the wall of the bottom storage bin from being damaged.
  • Vertical feeding buffer device
  • the mechanical rocker type vertical feeding buffer device of the present invention comprises a box body, wherein the box body is provided with two buffer units arranged in a high and low relative offset layer, and the two buffer units are respectively composed of a buffer mechanism and a fixed hinge mechanism.
  • the buffer mechanism comprises a buffer plate, a spring and a balance weight
  • the fixed hinge mechanism comprises a right angle round rod, a hinge plate welded on the right angle round rod
  • elastic limit devices are arranged on both sides of the hinge plate
  • the elastic limit position The device is composed of two elastic limiting plates and a hollow iron ring welded, the elastic limiting plate is fixed on the upper and lower surfaces of the hollow iron ring, and the right angle round rod is inserted into the hollow iron ring sleeve of the elastic limiting device, and the buffer plate is fixed at On the hinge plate, the upper and lower ends of the spring are connected with the right angle round rod, and the lower end of the spring is suspended to balance the weight.
  • the angle between the two elastic limiting plates in the elastic limiting device is equal to the angle between the outer hanging spring edge of the right angle round box and the horizontal plane when the right angle round bar is in a natural state.
  • the balance weight is a homogeneous iron block, and the weight of the weight is determined according to the feeding height. Each time the feeding height is increased by 1 m, the balance weight is increased by 1 kg to 1.15 kg.
  • the distance between the two buffer units arranged in the high and low relative offset layers is 300-500 mm, and the two buffer plates are intersected in the horizontal direction, and the cross-sectional area is 1/5 to 1/4 of the buffer board area.
  • Figure 1 is a schematic view of the structure of the present invention.
  • Figure 2 is a schematic view showing the structure of the working state of the present invention.
  • FIG. 3 is a schematic structural view of an elastic limit device of the present invention.
  • the mechanical rocker type vertical feeding buffering device of the invention is mainly composed of two identical buffering units and a box body, and the two buffering units are respectively disposed on the inner side of the box body with a certain height difference, and the buffering unit is composed of a buffering mechanism and a fixed hinge mechanism.
  • the buffer mechanism is composed of a baffle plate 1, a spring 5 and a balance weight 6.
  • the fixed hinge mechanism is composed of a hinge plate 2, a right angle round bar 3 and an elastic limit device 4, and the buffer plate 1 is provided with two connection holes on one side thereof, and is hinged.
  • the plate 2 is provided with two connecting holes of the same size.
  • the baffle plate 1 and the hinge plate 2 are fixed by bolts through the connecting holes, the hinge plate 2 is welded and connected to the right angle round bar 3, and the elastic limiting device 4 is composed of two elastic limiting plates.
  • the hollow iron ring is welded, the elastic limiting plate is fixed on the upper and lower surfaces of the hollow iron ring, and the right angle round rod 3 and the elastic limiting device 4 are connected by the hollow iron ring in the elastic limiting device 4, and the elastic limiting device 4 is fixed on the On the box body 7, the angle between the two elastic limiting plates in the elastic limiting device 4 is equal to the angle between the outer hanging spring 5 side of the box 7 and the horizontal plane in the natural state of the right angle round bar 3; the upper end of the spring 5 Connected to the right angle round bar 3, The lower end of the spring 5 is suspended and balanced 6 and the balance weight 6 is a homogeneous iron block.
  • the weight is determined according to the feeding height. For each 1m increase in the feeding height, the balance weight 6 is increased by 1kg to 1.15kg; the two buffer units are at right angles.
  • the horizontal section of the round rod 3 is fixed on the casing 7 with a height difference of 300 mm to 500 mm in the vertical direction, that is, the distance between the two buffer units arranged in the high and low relative division layers is 300 to 500 mm, and the two buffer plates 1 are horizontal.
  • the projection has an intersection, and the cross-sectional area is 1/5 to 1/4 of the area of the buffer plate.
  • the ground material is vertically placed into the mechanical rocker type vertical feeding buffer device through the feeding pipe.
  • the shock absorbing plate 1 receives the impact force from the material, it is turned downward around the axis of the horizontal section of the right angle round bar 3, and the material first passes through the material.
  • the buffer plate 1 located at the top is buffered, the buffer plate 1 falling below is double-buffered, and the material is buffered twice and then dropped.
  • the low speed is scattered to the storage bin; at the same time, as the buffer plate 1 is turned down, the torque of the buffer plate 1 to the axial center of the right angle round rod 3 is gradually reduced, and the spring 5 and the balance weight 6 are aligned with the axial center of the right angle round rod 3 The torque is gradually increased.
  • the buffer plate 1 has an upward movement around the axis of the right-angled round rod 3 until the torque of the buffer plate 1 and the balance weight 6 to the axial center of the right-angled round rod 3 is balanced; and two buffer plates 1 When the downward limit reaches the maximum limit state, the outer edge is on the same lead line, so that the buffer plate 1 can always buffer the material.
  • the buffer plate 1 is turned up by the balance weight 6 to return to the natural state. This process is repeated with the recirculation cycle, so that the material thrown in the feed pipe is continuously buffered.
  • the mechanical rocker type vertical feeding buffer device reduces the damage to the storage bin wall and realizes the safe release of materials.

Abstract

一种机械摇臂式垂直投料缓冲装置，由两个相同的缓冲单元及箱体（7）组成，两个缓冲单元以一定高差分别设置于箱体（7）内侧，缓冲单元由缓冲机构和固定铰接机构组成，缓冲机构由缓冲板（1）、弹簧（5）和平衡砝码（6）构成，固定铰接机构由铰接板（2）、直角圆杆（3）和弹性限位装置（4）构成，缓冲板（1）和铰接板（2）通过连接孔采用螺栓固定，铰接板（2）与直角圆杆（3）焊接连接，弹性限位装置（4）由两块弹性限位板和空心铁环焊接组成，直角圆杆（3）与弹性限位装置（4）通过弹性限位装置（4）中空心铁环套接连接，弹簧（5）上端与直角圆杆（3）连接，弹簧（5）下端悬吊平衡砝码（6）。物料经投料管投至缓冲板，经两块缓冲板（1）二次缓冲后落下，缓冲装置在缓冲板（1）和缓冲砝码（6）的共同作用下反复实现缓冲和复原。

Description

一种机械摇臂式垂直投料缓冲装置 技术领域
本发明涉及一种机械摇臂式垂直投料缓冲装置，尤其适用于煤矿及金属矿山综合机械化固体充填采煤物料缓冲系统中对地面物料投放的缓冲。
背景技术
目前，充填开采已经实现了对“三下”压煤的规模性开采，有效的提高了矿井的出煤率，实现了对地表的控制，解决了地表废弃物堆积问题。在充填采煤投料系统中，一般矸石从距离井底上百米至上千米的位置投至井底，当物料到达井底时，一般速度都会达到100m/s以上，高速度的矸石具有极大地冲击力，如果不加以缓冲，到达井底时会对井底储料仓仓壁形成很大的破坏，缩短储料仓的使用寿命，造成资源的浪费。
发明内容
技术问题：本发明的目的是针对已有技术中存在的问题，提供一种结构简单、安全高效、能有效减小下落物料冲击力、维护井底储料仓仓壁不受破坏的机械摇臂式垂直投料缓冲装置。
技术方案：本发明的机械摇臂式垂直投料缓冲装置，包括箱体，箱体上设有高低相对错层布置的两个缓冲单元，两个缓冲单元分别由缓冲机构和固定铰接机构组成，所述的缓冲机构包括缓冲板、弹簧和平衡砝码，所述的固定铰接机构包括直角圆杆、焊接在直角圆杆上的铰接板，铰接板的两侧设有弹性限位装置，弹性限位装置由两块弹性限位板和空心铁环焊接组成，弹性限位板固定于空心铁环上下表面，直角圆杆插装在弹性限位装置的空心铁环套内，所述缓冲板固定在铰接板上，随铰接板上下摆动，弹簧上端与直角圆杆连接，弹簧下端悬吊平衡砝码。
所述弹性限位装置中两块弹性限位板之间的夹角等于直角圆杆自然状态时直角圆杆箱体外悬吊弹簧边与水平面的夹角。
所述的平衡砝码为均质铁块，其配重依据投料高度确定，投料高度每增加1m，平衡砝码加重1kg～1.15kg。
所述高低相对错层布置的两个缓冲单元之间的距离为300～500mm，两块缓冲板在水平方向投影有交叉，交叉面积为缓冲板面积的1/5～1/4。
有益效果：由于采用了上述技术问题，当物料经投料管投至缓冲装置的缓冲板时，经两块缓冲板二次缓冲后落下，缓冲装置在缓冲板和缓冲砝码的共同作用下反复实现缓 冲和复原。能有效减小下落物料冲击力、对充填物料实现有效缓冲，减小对储料仓损害，保证充填采煤有序进行。经现场实际应用于综合机械化固体物料充填采煤技术中，当地面物料通过投料管道投放到井下时，经过此机械摇臂式垂直投料缓冲装置，大大减小了物料对仓壁的冲击，实现固体物料的安全投放。整个装置结构简单，使用方便，安全高效、投资少，在井工充填开采具有广泛的实用性，对于其他的矿山工程具有借鉴意义。
附图说明
图1是本发明的结构示意图。
图2是本发明工作状态结构示意图。
图3是本发明弹性限位装置结构示意图。
图中：1-缓冲板，2-铰接板，3-直角圆杆，4-弹性限位装置，5-弹簧，6-平衡砝码，7-箱体。
具体实施方式
下面结合附图对本发明的一个实施例作进一步的描述：
本发明的机械摇臂式垂直投料缓冲装置，主要由两个相同的缓冲单元及箱体组成，两个缓冲单元以一定高差分别设置于箱体内侧，缓冲单元由缓冲机构和固定铰接机构组成；缓冲机构由缓冲板1、弹簧5和平衡砝码6构成，固定铰接机构由铰接板2、直角圆杆3和弹性限位装置4构成，缓冲板1一侧设有两个连接孔，铰接板2上设有两个同样尺寸的连接孔，缓冲板1和铰接板2通过连接孔采用螺栓固定，铰接板2与直角圆杆3焊接连接，弹性限位装置4由两块弹性限位板和空心铁环焊接组成，弹性限位板固定于空心铁环上下表面，直角圆杆3与弹性限位装置4通过弹性限位装置4中空心铁环套接连接，弹性限位装置4固定于箱体7上，所述弹性限位装置4中两块弹性限位板之间的夹角等于直角圆杆3自然状态时箱体7外悬吊弹簧5边与水平面的夹角；弹簧5上端与直角圆杆3连接，弹簧5下端悬吊平衡砝码6，平衡砝码6为均质铁块，其配重依据投料高度确定，投料高度每增加1m，平衡砝码6加重1kg～1.15kg；两个缓冲单元以直角圆杆3水平段在垂直方向成300mm～500mm的高差固定于箱体7上，即高低相对错层布置的两个缓冲单元之间的距离为300～500mm，两块缓冲板1在水平方向投影有交叉，交叉面积为缓冲板面积的1/5～1/4。
工作时，地面物料经投料管垂直投放至机械摇臂式垂直投料缓冲装置，缓冲板1受到来自物料的冲击力后，绕着直角圆杆3水平段一边的轴心向下翻转，物料首先经位于上方的缓冲板1缓冲后，落于下方的缓冲板1进行二次缓冲，物料经两次缓冲后落下， 低速散落至储料仓；同时，随着缓冲板1的向下翻转，缓冲板1对直角圆杆3轴心的力矩逐渐减少，而弹簧5和平衡砝码6对直角圆杆3轴心的力矩逐渐增加，因此，缓冲板1绕着直角圆杆3轴心有向上运动的趋势，直至缓冲板1和平衡砝码6对直角圆杆3轴心的力矩达到平衡为止；而且两块缓冲板1在向下到达最大限位状态时外边缘处于同一铅直线上，从而保证缓冲板1可一直对物料起到缓冲作用。当投料结束时，缓冲板1在平衡砝码6的作用下向上翻转，至恢复到自然状态。此过程随着落料周而复始的循环进行，从而不断对投料管中投出的物料进行缓冲。此机械摇臂式垂直投料缓冲装置减小了对储料仓仓壁的破坏，实现了对物料的安全投放。

Claims (4)

  1. 一种机械摇臂式垂直投料缓冲装置，其特征在于：它包括箱体(7)，箱体(7)上设有高低相对错层布置的两个缓冲单元，两个缓冲单元分别由缓冲机构和固定铰接机构组成，所述的缓冲机构包括缓冲板(1)、弹簧(5)和平衡砝码(6)，所述的固定铰接机构包括直角圆杆(3)、焊接在直角圆杆(3)上的铰接板(2)，铰接板(2)的两侧设有弹性限位装置(4)，弹性限位装置(4)由两块弹性限位板和空心铁环焊接组成，弹性限位板固定于空心铁环上下表面，直角圆杆(3)插装在弹性限位装置(4)的空心铁环套内，所述缓冲板(1)固定在铰接板(2)上，随铰接板(2)上下摆动，弹簧(5)上端与直角圆杆(3)连接，弹簧(5)下端悬吊平衡砝码(6)。
  2. 根据权利要求1所述的一种机械摇臂式垂直投料缓冲装置，其特征在于：所述弹性限位装置(4)中两块弹性限位板之间的夹角等于直角圆杆(3)自然状态时箱体(7)外悬吊弹簧(5)边与水平面的夹角。
  3. 根据权利要求1所述的一种机械摇臂式垂直投料缓冲装置，其特征在于：所述的平衡砝码(6)为均质铁块，其配重依据投料高度确定，投料高度每增加1m，平衡砝码(6)加重1kg～1.15kg。
  4. 根据权利要求1所述的一种机械摇臂式垂直投料缓冲装置，其特征在于：所述高低相对错层布置的两个缓冲单元之间的距离为300～500mm，两块缓冲板(1)在水平方向投影有交叉，交叉面积为缓冲板(1)面积的1/5～1/4。
PCT/CN2015/077028 2014-04-21 2015-04-21 一种机械摇臂式垂直投料缓冲装置 WO2015161768A1 (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US14/917,817 US9938083B2 (en) 2014-04-21 2015-04-21 Mechanical rocker arm-type vertical feeding cushioning device
AU2015251380A AU2015251380B2 (en) 2014-04-21 2015-04-21 Mechanical rocker arm-type vertical feeding cushioning device

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