WO2022089253A1 - Top foldable scraping device in rectangular raw material yard - Google Patents

Top foldable scraping device in rectangular raw material yard Download PDF

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Publication number
WO2022089253A1
WO2022089253A1 PCT/CN2021/124695 CN2021124695W WO2022089253A1 WO 2022089253 A1 WO2022089253 A1 WO 2022089253A1 CN 2021124695 W CN2021124695 W CN 2021124695W WO 2022089253 A1 WO2022089253 A1 WO 2022089253A1
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Prior art keywords
scraper
scraping
arm
silo
raw material
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Ceased
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PCT/CN2021/124695
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French (fr)
Chinese (zh)
Inventor
陈鹏
付秀芳
杨文�
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Wisdri Engineering and Research Incorporation Ltd
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Wisdri Engineering and Research Incorporation Ltd
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Publication of WO2022089253A1 publication Critical patent/WO2022089253A1/en
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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
    • 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
    • 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
    • B65G65/34—Emptying devices
    • B65G65/40—Devices for emptying otherwise than from the top
    • 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
    • B65G69/04—Spreading out the materials conveyed over the whole surface to be loaded; Trimming heaps of loose materials

Definitions

  • the utility model belongs to the technical field of raw material storage, in particular to a top folding scraping device for a rectangular raw material field.
  • the raw material yard is specially used to deal with the needs of various users of iron and steel enterprises including iron making, sintering, pelletizing, coking and other users for raw materials.
  • the raw material varieties include iron powder, iron ore, iron ore powder, limestone, dolomite, silica , fluorite, coking coal, injection coal, sintered anthracite, ground pellets, ground sintering and other raw materials.
  • Transportation to meet the needs of each user to solve the imbalance of production and transportation between iron and steel enterprises and mines, to ensure continuous and orderly production of iron and steel enterprises, and to granulate and mix materials to provide users with qualified mixing materials .
  • the raw material yard includes closed grab crane yard, open-air stacker and reclaimer yard, semi-gantry yard, full-gantry peak yard, circular yard, silo yard, etc.
  • the closed grab crane material yard is not limited by the material accumulation angle, and the amount of material per unit area is relatively large, but its operation mode is intermittent operation, the level of automation and mechanization is low, and the production capacity is small, so it is not suitable for large and medium-sized material yards.
  • Other raw material yards have different shortcomings due to the limitations of equipment, environmental protection requirements, land occupation requirements, material accumulation angle and stack height.
  • the purpose of the utility model is to provide a top folding scraping device for a rectangular raw material yard, which does not affect the feeding, but can scrape the top of a plurality of silos in a row, avoids the accumulation angle, and improves the raw material yard. There is no need to raise the raw material again after feeding, which is easy to operate and saves energy.
  • a folding scraping device on the top of a rectangular raw material yard which is located below the feeding device and corresponds to the number of silos in a one-to-one manner, includes scraping walking carts supported across the top of the silos and matched with the rails on both sides of the top of the silos. And it is long with all the silos in the column.
  • the main body of the scraper is a bucket-shaped slot
  • the back of the bucket-shaped slot faces the side wall of the silo
  • the front end of the bucket-shaped slot extends outward to form a protruding scraper.
  • the scraper can scrape the bottom surface of the silo, and the discharge port on the bottom surface of the silo is located in the middle of the silo.
  • the middle of the scraping walking cart is arched and the two sides are downward.
  • the track is mounted on a support on the top of the side wall of the silo.
  • the scraping device is located below the feeding device, does not affect the feeding operation of the feeding device, and can cross the partition wall, so the top scraping operation can be performed on multiple silos in a row; the scraping device can scrape the top of the raw material. It is flat, avoiding the generation of accumulation angles and improving the reserves of the raw material yard, and the method of scraping is adopted, and the raw materials do not need to be lifted again after feeding, which is convenient to operate and saves energy; the scraping device has a simple structure and small installation space, especially The vertical installation space is small, the installation is convenient, and the maintenance is easy.
  • FIG. 1 is a working schematic diagram of the top folding scraping device of the rectangular raw material field in the embodiment of the present invention when it is unfolded.
  • FIG. 2 is a working schematic diagram of the folding scraper device on the top of the rectangular raw material yard in the embodiment of the present invention when it is folded.
  • FIG. 3 is a working schematic diagram of the top folding scraping device of the rectangular raw material yard in the embodiment of the present invention when it crosses the partition wall.
  • a folding scraper device on the top of a rectangular raw material yard is located under the feeding device 1 and corresponds to the number of silo columns one-to-one, including rails supported across the top and matched on both sides of the top of the silo.
  • the track 3 is longitudinal and is long with all the silos in the row.
  • a rotary table 5 is provided under the middle of the scraper walking cart 2, and an arm seat 6 is provided at the transmission end of the lower part of the rotary table 5.
  • the arm base 6 is hinged with the big arm 7, the small arm 8 and the scraper 9 in turn, and there are respectively connected between the arm base 6 and the big arm 7, between the big arm 7 and the small arm 8, and between the small arm 8 and the scraper 9.
  • the hydraulic cylinder 10, driven by the hydraulic cylinder 10, the big arm 7, the small arm 8 and the scraper 9 can unfold, fold, and complete the scraping action.
  • the scraper 9 can scrape
  • the big arm 7, the small arm 8 and the scraper 9 can smoothly cross the partition wall 14 between the adjacent silos in the same row with the scraper traveling cart 2 when folded.
  • the scraping device is located below the feeding device 1, does not affect the feeding operation of the feeding device 1, and can go over the partition wall 14, so it can perform top scraping operation on multiple silos in a row; the scraping device can The top of the raw material 13 is scraped flat, which avoids the accumulation angle and increases the reserves of the raw material field. Moreover, the scraping method is adopted, and the raw material 13 does not need to be lifted again after feeding, which is convenient to operate and saves energy; the scraping device has a simple structure, The installation space is small, especially the vertical installation space is small, the installation is convenient, and the maintenance is easy.
  • the main body of the scraper 9 is a bucket-shaped slot
  • the back of the bucket-shaped slot faces the side wall of the silo
  • the front end of the bucket-shaped slot extends to form a protruding scraper 9a
  • the middle of the scraper traveling cart 2 is arched and the two sides are downward, which not only improves the installation of the arm seat 6, the big arm 7, the small arm 8 and the scraper 9 height, and can disperse the force to both sides.
  • the rail 3 is installed on the support 4 on the top of the side wall of the silo, and there is no need to install the column support, which saves space.
  • the scraper 9 when the boom 7, the small arm 8 and the scraper 9 are unfolded, the scraper 9 can scrape the bottom surface of the silo, and the discharge port 11 on the bottom surface of the silo is located at the bottom of the silo. In the middle, the scraping device can scrape the raw material 13 remaining at the bottom toward the discharge port 11 , and the raw material 13 falls into the discharge device 12 from the discharge port 11 .
  • the rectangular raw material yard has two rows of silos side by side.
  • the actual number of rows can be adjusted according to specific conditions, and is not limited to two rows. Only one row of bins can be used.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)

Abstract

Disclosed is a top foldable scraping device in a rectangular raw material yard. The foldable scraping device is located below a feeding device (1), is in one-to-one correspondence to the number of columns of material bins, and comprises a scraping walking cart (2) which stretches across, supports and matches on tracks (3) on two sides of the tops of the material bins. The tracks (3) are longitudinal and can cover all the material bins in the column in length. A rotating table (5) is provided below the middle of the scraping walking cart (2); an arm base (6) is provided at a transmission tail end of the lower portion of the rotating table (5) and the arm base (6) is sequentially hinged to a large arm (7), a small arm (8), and a scraping hopper (9); hydraulic cylinders (10) are respectively connected between the arm base (6) and the large arm (7), between the large arm (7) and the small arm (8), and between the small arm (8) and the scraping hopper (9). The large arm (7), the small arm (8), and the scraping hopper (9) can be unfolded and folded and complete scraping action under driving of the hydraulic cylinders (10). When the large arm (7), the small arm (8), and the scraping hopper (9) are unfolded, the scraping hopper (9) can scrape the side wall of the material bin, and when the large arm (7), the small arm (8), and the scraping hopper (9) are folded, the large arm, the small arm, and the scraping hopper can smoothly cross a partition wall between adjacent material bins in the same column along with the scraping walking cart. The device can scrape materials on the top of a column of material bins, accumulation angles are avoided, operation is convenient, and energy is saved.

Description

矩形原料场顶部折叠式刮料装置Folding scraper on top of rectangular raw material yard 技术领域technical field

本实用新型属于原料储存技术领域，具体涉及一种矩形原料场顶部折叠式刮料装置。The utility model belongs to the technical field of raw material storage, in particular to a top folding scraping device for a rectangular raw material field.

背景技术Background technique

原料场是专门用来处理钢铁企业的各用户包括炼铁、烧结、球团、焦化等用户对原料的需求，原料品种包括铁精粉、铁矿石、铁矿粉、石灰石、白云石、硅石、萤石、焦煤、喷吹煤、烧结无烟煤、落地球团、落地烧结等各种原燃料，其作用是将各种通过各种方式运输进来的原料分别按照一定的组织方式进行贮存、配料、运输，以满足各用户的需要，以解决钢铁企业与矿山之间的生产和运输不平衡，确保钢铁企业的连续有序生产，同时对物料进行整粒混匀，向用户提供合格的混匀料。The raw material yard is specially used to deal with the needs of various users of iron and steel enterprises including iron making, sintering, pelletizing, coking and other users for raw materials. The raw material varieties include iron powder, iron ore, iron ore powder, limestone, dolomite, silica , fluorite, coking coal, injection coal, sintered anthracite, ground pellets, ground sintering and other raw materials. Transportation to meet the needs of each user, to solve the imbalance of production and transportation between iron and steel enterprises and mines, to ensure continuous and orderly production of iron and steel enterprises, and to granulate and mix materials to provide users with qualified mixing materials .

目前原料场有封闭抓斗起重机料场、露天堆取料机料场、半门架式料场、全门架尖顶料库、圆形料场、筒仓料库等。封闭抓斗起重机料场不受物料堆积角的限制，单位面积的堆料量相对较大，但其作业方式为间歇作业，自动化和机械化水平较低，生产能力较小，不适合大中型原料场。其它原料场由于受到设备、环保要求、占地要求、物料堆积角和堆高的限制，均有其不同缺点。At present, the raw material yard includes closed grab crane yard, open-air stacker and reclaimer yard, semi-gantry yard, full-gantry peak yard, circular yard, silo yard, etc. The closed grab crane material yard is not limited by the material accumulation angle, and the amount of material per unit area is relatively large, but its operation mode is intermittent operation, the level of automation and mechanization is low, and the production capacity is small, so it is not suitable for large and medium-sized material yards. . Other raw material yards have different shortcomings due to the limitations of equipment, environmental protection requirements, land occupation requirements, material accumulation angle and stack height.

实用新型内容Utility model content

本实用新型的目的是提供一种矩形原料场顶部折叠式刮料装置，该装置不影响进料，而能对一列的多个料仓进行顶部刮料，避免了产生堆积角，提高了原料场的储量，原料进料后不用再次提升，操作方便，节约能源。The purpose of the utility model is to provide a top folding scraping device for a rectangular raw material yard, which does not affect the feeding, but can scrape the top of a plurality of silos in a row, avoids the accumulation angle, and improves the raw material yard. There is no need to raise the raw material again after feeding, which is easy to operate and saves energy.

本实用新型所采用的技术方案是：The technical scheme adopted by the utility model is:

一种矩形原料场顶部折叠式刮料装置，位于进料装置下方且与料仓列数一一对应，包括横跨支撑且配合在料仓顶部两侧轨道上的刮料行走大车，轨道纵向且与所在列所有料仓通长，刮料行走大车中部下方设有旋转台，旋转台下部的传动末端设有臂座，臂座依次与大臂、小臂和刮斗铰接，臂座与大臂之间、大臂与小臂之间、小臂与刮斗之间分别连接有液压缸，在液压缸的带动下大臂、小臂和刮斗能展开、折叠、完成刮料动作，大臂、小臂 和刮斗展开时刮斗能刮到料仓侧壁，大臂、小臂和刮斗折叠时能随刮料行走大车顺利越过同一列的相邻料仓间的隔墙。A folding scraping device on the top of a rectangular raw material yard, which is located below the feeding device and corresponds to the number of silos in a one-to-one manner, includes scraping walking carts supported across the top of the silos and matched with the rails on both sides of the top of the silos. And it is long with all the silos in the column. There is a rotary table under the middle of the scraping walking cart, and an arm seat is provided at the transmission end of the lower part of the rotary table. Hydraulic cylinders are respectively connected between the booms, between the boom and the forearm, and between the forearm and the scraper. When the boom, forearm and scraper are unfolded, the scraper can scrape the side wall of the silo, and when the boom, forearm and scraper are folded, the cart can smoothly cross the partition wall between adjacent silos in the same row. .

进一步地，刮斗的主体为斗状槽，斗状槽的背面面向料仓侧壁，斗状槽的前端外伸形成突出的刮板。Further, the main body of the scraper is a bucket-shaped slot, the back of the bucket-shaped slot faces the side wall of the silo, and the front end of the bucket-shaped slot extends outward to form a protruding scraper.

进一步地，大臂、小臂和刮斗展开时刮斗能刮到料仓底面，料仓底面的出料口位于料仓的中部。Further, when the big arm, the small arm and the scraper are unfolded, the scraper can scrape the bottom surface of the silo, and the discharge port on the bottom surface of the silo is located in the middle of the silo.

进一步地，刮料行走大车的中部拱起、两边向下。Further, the middle of the scraping walking cart is arched and the two sides are downward.

进一步地，轨道安装在料仓侧壁顶部的支座上。Further, the track is mounted on a support on the top of the side wall of the silo.

本实用新型的有益效果是：The beneficial effects of the present utility model are:

该刮料装置位于进料装置下方，不影响进料装置的进料操作，而且能越过隔墙，因此能对一列的多个料仓进行顶部刮料操作；该刮料装置能将原料顶端刮平，避免了产生堆积角，提高了原料场的储量，而且采用的是刮平的方式，原料进料后不用再次提升，操作方便，节约能源；该刮料装置结构简单，安装空间小，尤其是竖向的安装空间小，安装方便，易于维护。The scraping device is located below the feeding device, does not affect the feeding operation of the feeding device, and can cross the partition wall, so the top scraping operation can be performed on multiple silos in a row; the scraping device can scrape the top of the raw material. It is flat, avoiding the generation of accumulation angles and improving the reserves of the raw material yard, and the method of scraping is adopted, and the raw materials do not need to be lifted again after feeding, which is convenient to operate and saves energy; the scraping device has a simple structure and small installation space, especially The vertical installation space is small, the installation is convenient, and the maintenance is easy.

附图说明Description of drawings

图1是本实用新型实施例中矩形原料场顶部折叠式刮料装置展开时的工作示意图。FIG. 1 is a working schematic diagram of the top folding scraping device of the rectangular raw material field in the embodiment of the present invention when it is unfolded.

图2是本实用新型实施例中矩形原料场顶部折叠式刮料装置折叠时的工作示意图。FIG. 2 is a working schematic diagram of the folding scraper device on the top of the rectangular raw material yard in the embodiment of the present invention when it is folded.

图3是本实用新型实施例中矩形原料场顶部折叠式刮料装置越过隔墙时的工作示意图。FIG. 3 is a working schematic diagram of the top folding scraping device of the rectangular raw material yard in the embodiment of the present invention when it crosses the partition wall.

图中：1-进料装置；2-刮料行走大车；3-轨道；4-支座；5-旋转台；6-臂座；7-大臂；8-小臂；9-刮斗；9a-刮板；10-液压缸；11-出料口；12-出料装置；13-原料；14-隔墙。In the picture: 1-feeding device; 2- scraper walking cart; 3-track; 4-support; 5-rotary table; 6-arm seat; 7-big arm; 8-small arm; 9-scraper ; 9a - scraper; 10 - hydraulic cylinder; 11 - discharge port; 12 - discharge device; 13 - raw material; 14 - partition wall.

具体实施方式Detailed ways

下面结合附图和实施例对本实用新型作进一步的说明。The utility model will be further described below in conjunction with the accompanying drawings and embodiments.

如图1至图3所示，一种矩形原料场顶部折叠式刮料装置，位于进料装置1下方且与料仓列数一一对应，包括横跨支撑且配合在料仓顶部两侧轨道3上的刮料行走大车2，轨道3纵向且与所在列所有料仓通长，刮料行走大车2中部下方设有旋转台5，旋转台5下部的传动末端设有臂座6，臂座6依次与大臂7、小臂8和刮斗9铰接，臂座6与大臂7之间、大臂7与小臂8之间、小臂8与刮斗9之间分别连接有液压缸10，在液压缸10的 带动下大臂7、小臂8和刮斗9能展开、折叠、完成刮料动作，大臂7、小臂8和刮斗9展开时刮斗9能刮到料仓侧壁，大臂7、小臂8和刮斗9折叠时能随刮料行走大车2顺利越过同一列的相邻料仓间的隔墙14。该刮料装置位于进料装置1下方，不影响进料装置1的进料操作，而且能越过隔墙14，因此能对一列的多个料仓进行顶部刮料操作；该刮料装置能将原料13顶端刮平，避免了产生堆积角，提高了原料场的储量，而且采用的是刮平的方式，原料13进料后不用再次提升，操作方便，节约能源；该刮料装置结构简单，安装空间小，尤其是竖向的安装空间小，安装方便，易于维护。As shown in Fig. 1 to Fig. 3, a folding scraper device on the top of a rectangular raw material yard is located under the feeding device 1 and corresponds to the number of silo columns one-to-one, including rails supported across the top and matched on both sides of the top of the silo. On the scraper walking cart 2 on the 3, the track 3 is longitudinal and is long with all the silos in the row. A rotary table 5 is provided under the middle of the scraper walking cart 2, and an arm seat 6 is provided at the transmission end of the lower part of the rotary table 5. The arm base 6 is hinged with the big arm 7, the small arm 8 and the scraper 9 in turn, and there are respectively connected between the arm base 6 and the big arm 7, between the big arm 7 and the small arm 8, and between the small arm 8 and the scraper 9. The hydraulic cylinder 10, driven by the hydraulic cylinder 10, the big arm 7, the small arm 8 and the scraper 9 can unfold, fold, and complete the scraping action. When the big arm 7, the small arm 8 and the scraper 9 are unfolded, the scraper 9 can scrape When reaching the side wall of the silo, the big arm 7, the small arm 8 and the scraper 9 can smoothly cross the partition wall 14 between the adjacent silos in the same row with the scraper traveling cart 2 when folded. The scraping device is located below the feeding device 1, does not affect the feeding operation of the feeding device 1, and can go over the partition wall 14, so it can perform top scraping operation on multiple silos in a row; the scraping device can The top of the raw material 13 is scraped flat, which avoids the accumulation angle and increases the reserves of the raw material field. Moreover, the scraping method is adopted, and the raw material 13 does not need to be lifted again after feeding, which is convenient to operate and saves energy; the scraping device has a simple structure, The installation space is small, especially the vertical installation space is small, the installation is convenient, and the maintenance is easy.

如图1和图2所示，在本实施例中，刮斗9的主体为斗状槽，斗状槽的背面面向料仓侧壁，斗状槽的前端外伸形成突出的刮板9a，方便对料仓侧壁进行刮料，同时避免刮伤料仓侧壁。As shown in Figures 1 and 2, in this embodiment, the main body of the scraper 9 is a bucket-shaped slot, the back of the bucket-shaped slot faces the side wall of the silo, and the front end of the bucket-shaped slot extends to form a protruding scraper 9a, It is convenient to scrape the side wall of the silo, and at the same time avoid scratching the side wall of the silo.

如图1和图2所示，在本实施例中，刮料行走大车2的中部拱起、两边向下，既提高了臂座6、大臂7、小臂8和刮斗9的安装高度，又能向两侧分散受力。As shown in Figures 1 and 2, in this embodiment, the middle of the scraper traveling cart 2 is arched and the two sides are downward, which not only improves the installation of the arm seat 6, the big arm 7, the small arm 8 and the scraper 9 height, and can disperse the force to both sides.

如图1和图2所示，在本实施例中，轨道3安装在料仓侧壁顶部的支座4上，无需再安装立柱支座，节约空间。As shown in Figures 1 and 2, in this embodiment, the rail 3 is installed on the support 4 on the top of the side wall of the silo, and there is no need to install the column support, which saves space.

如图1和图3所示，在本实施例中，大臂7、小臂8和刮斗9展开时刮斗9能刮到料仓底面，料仓底面的出料口11位于料仓的中部，该刮料装置可以将剩余在底部的原料13刮向出料口11，原料13从出料口11落入出料装置12。As shown in Figures 1 and 3, in this embodiment, when the boom 7, the small arm 8 and the scraper 9 are unfolded, the scraper 9 can scrape the bottom surface of the silo, and the discharge port 11 on the bottom surface of the silo is located at the bottom of the silo. In the middle, the scraping device can scrape the raw material 13 remaining at the bottom toward the discharge port 11 , and the raw material 13 falls into the discharge device 12 from the discharge port 11 .

如图1和图2所示，在本实施例中，矩形原料场具有并排两列料仓，实际的列数可以根据具体情况调整，并不限于两列，当然，如果场地限制比较大，也可以只采用一列料仓。As shown in Figures 1 and 2, in this embodiment, the rectangular raw material yard has two rows of silos side by side. The actual number of rows can be adjusted according to specific conditions, and is not limited to two rows. Only one row of bins can be used.

应当理解的是，对本领域普通技术人员来说，可以根据上述说明加以改进或变换，而所有这些改进和变换都应属于本实用新型所附权利要求的保护范围。It should be understood that, for those skilled in the art, improvements or transformations can be made according to the above description, and all these improvements and transformations should belong to the protection scope of the appended claims of the present invention.

Claims (5)

一种矩形原料场顶部折叠式刮料装置，其特征在于：位于进料装置下方且与料仓列数一一对应，包括横跨支撑且配合在料仓顶部两侧轨道上的刮料行走大车，轨道纵向且与所在列所有料仓通长，刮料行走大车中部下方设有旋转台，旋转台下部的传动末端设有臂座，臂座依次与大臂、小臂和刮斗铰接，臂座与大臂之间、大臂与小臂之间、小臂与刮斗之间分别连接有液压缸，在液压缸的带动下大臂、小臂和刮斗能展开、折叠、完成刮料动作，大臂、小臂和刮斗展开时刮斗能刮到料仓侧壁，大臂、小臂和刮斗折叠时能随刮料行走大车顺利越过同一列的相邻料仓间的隔墙。A folding scraping device on the top of a rectangular raw material yard, which is characterized in that: it is located below the feeding device and corresponds to the number of silo columns one-to-one, and includes a scraping walking device supported across the top of the silo and matched with the rails on both sides of the top of the silo. The track is longitudinal and is long with all the silos in the row. There is a rotary table under the middle of the scraper walking cart. The transmission end of the lower part of the rotary table is provided with an arm seat. The arm seat is hinged with the big arm, the small arm and the scraper in turn. , Hydraulic cylinders are respectively connected between the arm seat and the boom, between the boom and the forearm, and between the forearm and the scraper. Scraping action, when the boom, forearm and scraper are unfolded, the scraper can scrape the side wall of the silo, and when the boom, forearm and scraper are folded, the cart can smoothly cross the adjacent silos in the same row with the scraper. partition wall. 如权利要求1所述的矩形原料场顶部折叠式刮料装置，其特征在于：刮斗的主体为斗状槽，斗状槽的背面面向料仓侧壁，斗状槽的前端外伸形成突出的刮板。The top folding scraping device for a rectangular raw material yard according to claim 1, wherein the main body of the scraper is a bucket-shaped groove, the back of the bucket-shaped groove faces the side wall of the silo, and the front end of the bucket-shaped groove extends outward to form a protrusion. scraper. 如权利要求1所述的矩形原料场顶部折叠式刮料装置，其特征在于：大臂、小臂和刮斗展开时刮斗能刮到料仓底面，料仓底面的出料口位于料仓的中部。The top folding scraping device for a rectangular raw material yard according to claim 1, wherein the scraper can scrape the bottom surface of the silo when the big arm, the small arm and the scraper are unfolded, and the discharge port on the bottom surface of the silo is located in the silo the middle of. 如权利要求1所述的矩形原料场顶部折叠式刮料装置，其特征在于：刮料行走大车的中部拱起、两边向下。The folding scraper device on the top of the rectangular raw material yard according to claim 1 is characterized in that: the middle part of the scraper traveling cart is arched and the two sides are downward. 如权利要求1所述的矩形原料场顶部折叠式刮料装置，其特征在于：轨道安装在料仓侧壁顶部的支座上。The folding scraper device for the top of the rectangular raw material yard according to claim 1, wherein the track is installed on the support on the top of the side wall of the silo.
PCT/CN2021/124695 2020-10-27 2021-10-19 Top foldable scraping device in rectangular raw material yard Ceased WO2022089253A1 (en)

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