WO2022120889A1 - 一种具有保护机构的颚式破碎机 - Google Patents

一种具有保护机构的颚式破碎机 Download PDF

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Publication number
WO2022120889A1
WO2022120889A1 PCT/CN2020/136468 CN2020136468W WO2022120889A1 WO 2022120889 A1 WO2022120889 A1 WO 2022120889A1 CN 2020136468 W CN2020136468 W CN 2020136468W WO 2022120889 A1 WO2022120889 A1 WO 2022120889A1
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Prior art keywords
rotating shaft
flywheel
protection mechanism
rod
eccentric block
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PCT/CN2020/136468
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English (en)
French (fr)
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朱兴良
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毛雪梅
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Publication of WO2022120889A1 publication Critical patent/WO2022120889A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C1/00—Crushing or disintegrating by reciprocating members
    • B02C1/02—Jaw crushers or pulverisers

Definitions

  • the device of the invention belongs to the technical field of jaw crushers, in particular to a jaw crusher with a protection mechanism.
  • Jaw crusher commonly known as jaw crusher, consists of a movable jaw plate and a fixed jaw plate to form a crushing cavity, which simulates the movement of the two jaws of animals to complete the material crushing operation. It is widely used in medium-size crushing of various ores and bulk materials in mining, smelting, building materials, highway, railway, water conservancy and chemical industries. Usually, the movable jaw plate is driven by the rotating shaft eccentrically set on the flywheel for crushing.
  • the jaw crusher needs to crush a variety of materials, the actual use situation is more complicated. Usually, some particles with higher hardness are mixed in the crushed materials, which will cause a larger load to the crusher. When the load is too large, The movable jaw plate cannot crush the material, which is easy to cause damage to the equipment. Therefore, in the existing crusher manufacturing process, a brittle bracket is usually used, and the bracket usually adopts a two-section thick and middle-thin structure to ensure that the When the movable jaw plate is overloaded, the toggle plate will break to ensure the integrity of the rest of the crusher, or use a special fuse on the circuit. When the motor is overloaded, the fuse will be burned to cancel the drive to the flywheel.
  • the device of the invention provides a jaw crusher with a protection mechanism in view of the deficiency that the flywheel can drive the rotating shaft to rotate easily damage the equipment when the load of the existing crusher is too large.
  • a jaw crusher with a protection mechanism comprising a frame, a fixed jaw and a movable jaw, and the movable jaw is rotatably provided with a driving movable jaw to work
  • the rotating shaft, one end of the rotating shaft is provided with a flywheel that drives the rotating shaft to rotate, and the rotating shaft is eccentrically arranged on the flywheel.
  • the protection mechanism includes an installation groove opened on the rotating shaft and the flywheel, the installation groove is circular and the center of the circle is located on the rotating shaft, the axial direction of the installation groove is parallel to the axial direction of the rotating shaft, and the installation groove is rotatably provided with An eccentric block, the shape of the eccentric block is the same as the shape of the installation slot on the upper part of the rotating shaft, and one end of the rotating shaft is fixedly provided with a control module for controlling the rotation of the eccentric block.
  • a stop lever is fixed at one end of the eccentric block, and a first stop lever and a second stop lever are respectively fixed on the rotating shaft to limit the rotation position of the rotating shaft.
  • the stop lever rotates to the first stop lever
  • the eccentric block is completely located in the installation groove on the rotating shaft.
  • the gear lever is rotated to the second limit rod, part of the eccentric block is located in the installation groove on the flywheel.
  • the length of the stop rod is greater than the shortest distance between the outer diameter of the eccentric block and the first limit rod and the second limit rod.
  • a rotating rod is fixed at the center of the installation groove, a rotating groove for clamping the rotating rod is formed on the eccentric block, and the eccentric block is sleeved on the rotating rod through the rotating groove.
  • the protection mechanism includes a plurality of chutes arranged around the rotating shaft, two ends of the chutes are respectively located on the rotating shaft and the flywheel, the axial direction of the chutes is perpendicular to the axial direction of the rotating shaft, and a sliding groove is movably provided with a
  • the length of the sliding groove on the rotating shaft is greater than the length of the sliding groove on the flywheel
  • the length of the sliding pin is less than the length of the sliding groove on the rotating shaft and greater than the length of the sliding groove on the flywheel.
  • a control module for controlling the movement of the sliding pin is fixed on the rotating shaft.
  • At least two of the sliding grooves and the sliding pins are respectively provided and evenly arranged around the rotating shaft, and the sliding grooves and the sliding pins are in one-to-one correspondence.
  • the present invention when the present invention is in use, when the load of the movable jaw plate is too large, the connection between the rotating shaft and the flywheel is disengaged by driving the protection mechanism through the control module, the flywheel is idling on the rotating shaft, and the rotating shaft that loses power is connected to the flywheel.
  • the movable jaw plate stops moving quickly, which effectively avoids damage to the equipment caused by the large flywheel driving the rotating shaft and the movable jaw plate to continue to move, effectively protects the equipment, and can continue the crushing work without subsequent parts replacement, with high crushing efficiency. , it is more convenient to use.
  • Fig. 1 is the overall structure view of the present invention
  • Fig. 2 is the overall structural view of the rotating shaft and the flywheel in the embodiment 1;
  • Fig. 3 is the overall structure view of the flywheel in embodiment 1;
  • Fig. 4 is the enlarged view of A place in Fig. 3;
  • FIG. 5 is a schematic diagram of an eccentric block connecting a rotating shaft and a flywheel
  • Fig. 6 is the overall structure view of eccentric block
  • Fig. 7 is the overall structure view of the rotating shaft and the flywheel in embodiment 2;
  • Fig. 8 is the internal structure view of the rotating shaft and the flywheel in embodiment 2;
  • Fig. 9 is an enlarged view at B in Fig. 8;
  • FIG. 10 is a schematic diagram of the protection mechanism releasing the connection between the rotating shaft and the flywheel
  • Figure 11 is an enlarged view at C in Figure 10;
  • FIG. 12 is an enlarged view of D in FIG. 2 .
  • a jaw crusher with a protection mechanism includes a frame 1, a fixed jaw plate 2 and a movable jaw plate 3, and a driving movable jaw is rotatably arranged on the movable jaw plate 3.
  • the protection mechanism 6 does not drive the rotating shaft 4 to rotate and idly rotates on the rotating shaft 4 .
  • the protection mechanism 6 includes an installation groove 7 opened on the rotating shaft 4 and the flywheel 5.
  • the installation groove 7 is circular and the center of the circle is located on the rotating shaft 4.
  • the axial direction of the installation groove 7 is parallel to the axial direction of the rotating shaft 4.
  • An eccentric block 8 is rotatably arranged in the groove 7, and the shape of the eccentric block 8 is the same as that of the installation groove 7 on the upper part of the rotating shaft 4.
  • One end of the rotating shaft 4 is fixedly provided with a control module 9 for controlling the rotation of the above-mentioned eccentric block 8,
  • One end of the eccentric block 8 is fixedly provided with a stop lever 10 , and a first stop lever 11 and a second stop lever 12 are respectively fixed on the rotating shaft 4 to limit the rotational position of the rotating shaft 4 .
  • the eccentric block 8 When it is rotated to the first limit rod 11, the eccentric block 8 is completely located in the installation groove 7 on the rotating shaft 4. When the shift rod 10 is rotated to the second limit rod 12, part of the eccentric block 8 is installed on the flywheel 5. in slot 7. The length of the stop rod 10 is greater than the shortest distance between the outer diameter of the eccentric block 8 and the first limit rod 11 and the second limit rod 12 .
  • a rotating rod 13 is fixedly arranged at the center of the installation groove 7, and a rotating groove 16 for clamping the rotating rod 13 is opened on the eccentric block 8.
  • the eccentric block 8 is sleeved on the rotating rod 13 through the rotating groove 16. .
  • the eccentric block 8 can be stably rotated in the installation groove 7 through the rotating rod 13 to prevent the eccentric block 8 from moving.
  • the control module 9 drives the eccentric block 8 to rotate, so that the gear lever 10 on the eccentric block 8 is rotated from the second limit rod 12 to the first limit rod 11, so that the eccentric block 8 is rotated.
  • the block 8 is completely located in the installation groove 7 on the rotating shaft 4, the connection between the rotating shaft 4 and the flywheel 5 is disengaged, the flywheel 5 is idling on the rotating shaft 4, and the rotating shaft 4 and the movable jaw plate 3 that lose power quickly stop moving, which effectively avoids poor quality.
  • the large flywheel 5 drives the rotating shaft 4 and the movable jaw 3 to continue to move, causing damage to the equipment, effectively protecting the equipment, and the crushing work can continue without the need for subsequent parts replacement.
  • the crushing efficiency is high and it is more convenient to use.
  • a jaw crusher with a protection mechanism includes a frame 1, a fixed jaw plate 2 and a movable jaw plate 3.
  • the movable jaw plate 3 is rotatably provided with a driving movable jaw.
  • the rotating shaft 4 on which the plate 3 works, one end of the rotating shaft 4 is rotated and provided with a flywheel 5 that drives the rotating shaft 4 to rotate, and the rotating shaft 4 is eccentrically arranged on the flywheel 5, and a flywheel 5 is arranged between the rotating shaft 4 and the flywheel 5
  • the protection mechanism 6 does not drive the rotating shaft 4 to rotate and idly rotates on the rotating shaft 4 .
  • the protection mechanism 6 includes a plurality of sliding grooves 14 arranged around the rotating shaft 4 , the two ends of the sliding grooves 14 are respectively located on the rotating shaft 4 and the flywheel 5 , the axial direction of the sliding groove 14 is perpendicular to the axial direction of the rotating shaft 4 , and the sliding groove 14 A sliding pin 15 for locking the rotating shaft 4 and the flywheel 5 is movably arranged in the interior.
  • the length of the sliding groove 14 on the rotating shaft 4 is greater than the length of the sliding groove 14 on the flywheel 5 and the length of the sliding pin 15 is smaller than that of the sliding groove 14 on the flywheel 5.
  • the length of the rotating shaft 4 is greater than the length of the chute 14 on the flywheel 5 , and a control module 9 for controlling the movement of the sliding pin 15 is fixed on the rotating shaft 4 .
  • the sliding grooves 14 and the sliding pins 15 are respectively provided with two and are evenly arranged around the rotating shaft 4 , and the sliding grooves 14 and the sliding pins 15 are in one-to-one correspondence.
  • the sliding pin 15 in the chute 14 is located at the end of the chute 14 away from the rotating shaft 4, and one end of the sliding pin 15 is located in the flywheel 5, and the sliding pin 15 is driven by the control module 9 along the
  • the chute 14 moves in the direction of the rotating shaft 4, so that the sliding pin 15 is completely located in the chute 14 on the rotating shaft 4, the connection between the rotating shaft 4 and the flywheel 5 is disengaged, the flywheel 5 is idling on the rotating shaft 4, and the rotating shaft 4 which loses power and the movable
  • the jaw plate 3 stops moving quickly, effectively preventing the flywheel 5 with a larger mass from driving the rotating shaft 4 and the movable jaw plate 3 to continue to move and causing damage to the equipment, effectively protecting the equipment, and the crushing work can continue without the need for subsequent parts replacement.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Grinding (AREA)

Abstract

一种具有保护机构的颚式破碎机，解决了现有破碎机负载过大时飞轮（5）带动转轴（4）进行转动容易损坏设备的问题。在使用中，当活动颚板（3）的负载过大时，通过控制模块（9）驱动保护机构（6）使转轴（4）与飞轮（5）之间的连接脱离，飞轮（5）在转轴（4）上空转，失去动力的转轴（4）与活动颚板（3）迅速停止运动，有效避免质量较大的飞轮（5）带动转轴（4）与活动颚板（3）继续运动对设备造成损伤，有效保护设备，且不需要进行后续的零件更换即可继续进行破碎工作，破碎效率较高，使用时较为方便。

Description

一种具有保护机构的颚式破碎机 技术领域
本发明设备属于颚式破碎机技术领域，特别涉及一种具有保护机构的颚式破碎机。
背景技术
颚式破碎机，俗称颚破，由活动颚板和固定颚板两块颚板组成破碎腔，模拟动物的两颚运动而完成物料破碎作业的破碎机。广泛运用于矿山、冶炼、建材、公路、铁路、水利和化工等行业中各种矿石与大块物料的中等粒度破碎，通常由偏心设置在飞轮上的转轴来带动活动颚板进行破碎。
由于颚式破碎机需要破碎各种不同的材料，实际使用情况较为复杂，通常在破碎的物料中会夹杂部分硬度较大的颗粒，会对破碎机产生较大的负载，当负载过大时，活动颚板无法对物料进行破碎，容易导致设备的损坏，因此，在现有的破碎机制造过程中，通常会采用脆性的肘板，且肘板通常采用两段粗中间细的结构，保证当活动颚板负载过大时，肘板断裂，保证破碎机其余部分的完整，或者在电路上使用特质的保险丝，当电机负载过大时烧毁保险丝取消对飞轮的驱动，但采用这两种方式的破碎机在实际使用中，烧毁保险丝或者肘板断裂后，质量较大的飞轮仍处于转动的状态，转轴带动活动颚板继续运动，极易损坏整体设备，现有技术存在可改进之处。
发明内容
本发明设备针对现有破碎机负载过大时飞轮任带动转轴进行转动容易损坏设备的不足，提供了一种具有保护机构的颚式破碎机。
本发明的发明目的是通过以下技术方案实现的：一种具有保护机构的颚式破碎机，包括机架、固定颚板与活动颚板，所述活动颚板上转动设置有驱动活动颚板工作的转轴，该转轴的一端转动设置有一个驱动该转轴转动的飞轮且该转轴偏心设置在该飞轮上，其特征在于，所述转轴与飞轮之间设置有使飞轮与转轴闭合或开启的保护机构。
作为优选，所述保护机构包括开设在转轴与飞轮上的安装槽，该安装槽为圆形且圆心位于转轴上，该安装槽的轴向与转轴的轴向平行，该安装槽内转动设置 有一个偏心块，该偏心块的形状与安装槽位于转轴上部分的形状相同，该转轴的一端固定设置有一个控制上述偏心块转动的控制模块。
作为优选，所述偏心块的一端固定设置有一个档杆，所述转轴上分别固定设置有一个限制上述转轴转动位置的第一限位杆与第二限位杆，当档杆转动至第一限位杆处时，偏心块完全位于转轴上的安装槽内，当档杆转动至第二限位杆处时，部分偏心块位于飞轮上的安装槽内。
作为优选，所述档杆的长度大于偏心块外径与第一限位杆和第二限位杆之间的最短距离。
作为优选，所述安装槽圆心处固定设置有一个转动杆，所述偏心块上开设有用于卡接该转动杆的转动槽，偏心块通过该转动槽套设在转动杆上。
作为优选，所述保护机构包括多个围绕转轴设置的滑槽，该滑槽的两端分别位于转轴与飞轮上，滑槽的轴向与转轴的轴向垂直，滑槽内活动设置有一个用于锁定转轴与飞轮的滑动销，所述滑槽位于转轴上的长度大于滑槽位于飞轮上的长度且滑动销的长度小于滑槽位于转轴上的长度并大于滑槽位于飞轮上的长度，所述转轴上固定设置有控制该滑动销移动的控制模块。
作为优选，所述滑槽与滑动销分别至少设置有两个且围绕转轴均匀设置，所述滑槽与滑动销一一对应。
与现有技术先比，本发明在使用中，当活动颚板的负载过大时，通过控制模块驱动保护机构使转轴与飞轮之间的连接脱离，飞轮在转轴上空转，失去动力的转轴与活动颚板迅速停止运动，有效避免质量较大的飞轮带动转轴与活动颚板继续运动对设备造成损伤，有效保护设备，且不需要进行后续的零件更换即可继续进行破碎工作，破碎效率较高，使用时较为方便。
附图说明
图1为本发明的整体结构视图；
图2为实施例1中转轴与飞轮的整体结构视图；
图3为实施例1中飞轮的整体结构视图；
图4为图3中A处的放大图；
图5为偏心块连接转轴与飞轮的示意图；
图6为偏心块的整体结构视图；
图7为实施例2中转轴与飞轮的整体结构视图；
图8为实施例2中转轴与飞轮的内部结构视图；
图9为图8中B处的放大图；
图10为保护机构解除转轴与飞轮连接的示意图；
图11为图10中C处的放大图；
图12为图2中D处的放大图。
图中标记：1、机架；2、固定颚板；3、活动颚板；4、转轴；5、飞轮；6、保护机构；7、安装槽；8、偏心块；9、控制模块；10、档杆；11、第一限位杆；12、第二限位杆；13、转动杆；14、滑槽；15、滑动销；16、转动槽。
具体实施方式
下面结合附图所表示的实施例对本发明作进一步描述：
实施例1
如图1-6和图11所示，一种具有保护机构的颚式破碎机，包括机架1、固定颚板2与活动颚板3，所述活动颚板3上转动设置有驱动活动颚板3工作的转轴4，该转轴4的一端转动设置有一个驱动该转轴4转动的飞轮5且该转轴4偏心设置在该飞轮5上，所述转轴4与飞轮5之间设置有使飞轮5不带动转轴4转动并在转轴4上空转的保护机构6。
所述保护机构6包括开设在转轴4与飞轮5上的安装槽7，该安装槽7为圆形且圆心位于转轴4上，该安装槽7的轴向与转轴4的轴向平行，该安装槽7内转动设置有一个偏心块8，该偏心块8的形状与安装槽7位于转轴4上部分的形状相同，该转轴4的一端固定设置有一个控制上述偏心块8转动的控制模块9，所述偏心块8的一端固定设置有一个档杆10，所述转轴4上分别固定设置有一个限制上述转轴4转动位置的第一限位杆11与第二限位杆12，当档杆10转动至第一限位杆11处时，偏心块8完全位于转轴4上的安装槽7内，当档杆10转动至第二限位杆12处时，部分偏心块8位于飞轮5上的安装槽7内。所述档杆10的长度大于偏心块8外径与第一限位杆11和第二限位杆12之间的最短距离。
所述安装槽7圆心处固定设置有一个转动杆13，所述偏心块8上开设有用于卡接该转动杆13的转动槽16，偏心块8通过该转动槽16套设在转动杆13上。 偏心块8通过该转动杆13能够稳定在安装槽7内转动，避免偏心块8出现移动。
当活动颚板3的负载过大时，通过控制模块9驱动偏心块8转动，使偏心块8上的档杆10由第二限位杆12处转动至第一限位杆11处，使偏心块8完全位于转轴4上的安装槽7内，转轴4与飞轮5之间的连接脱离，飞轮5在转轴4上空转，失去动力的转轴4与活动颚板3迅速停止运动，有效避免质量较大的飞轮5带动转轴4与活动颚板3继续运动对设备造成损伤，有效保护设备，且不需要进行后续的零件更换即可继续进行破碎工作，破碎效率较高，使用时较为方便
实施例2
如图1和图7-11所示，一种具有保护机构的颚式破碎机，包括机架1、固定颚板2与活动颚板3，所述活动颚板3上转动设置有驱动活动颚板3工作的转轴4，该转轴4的一端转动设置有一个驱动该转轴4转动的飞轮5且该转轴4偏心设置在该飞轮5上，所述转轴4与飞轮5之间设置有使飞轮5不带动转轴4转动并在转轴4上空转的保护机构6。
所述保护机构6包括多个围绕转轴4设置的滑槽14，该滑槽14的两端分别位于转轴4与飞轮5上，滑槽14的轴向与转轴4的轴向垂直，滑槽14内活动设置有一个用于锁定转轴4与飞轮5的滑动销15，所述滑槽14位于转轴4上的长度大于滑槽14位于飞轮5上的长度且滑动销15的长度小于滑槽14位于转轴4上的长度并大于滑槽14位于飞轮5上的长度，所述转轴4上固定设置有控制该滑动销15移动的控制模块9。所述滑槽14与滑动销15分别设置有两个且围绕转轴4均匀设置，所述滑槽14与滑动销15一一对应。
当活动颚板3的负载过大时，此时滑槽14内的滑动销15位于滑槽14远离转轴4的一端，滑动销15的一端位于飞轮5内，通过控制模块9驱动滑动销15沿滑槽14向转轴4方向移动，使滑动销15完全位于转轴4上的滑槽14内，转轴4与飞轮5之间的连接脱离，飞轮5在转轴4上空转，失去动力的转轴4与活动颚板3迅速停止运动，有效避免质量较大的飞轮5带动转轴4与活动颚板3继续运动对设备造成损伤，有效保护设备，且不需要进行后续的零件更换即可继续进行破碎工作，破碎效率较高，使用时较为方便
文中所描述的具体实施例仅仅是对本发明精神作举例说明。本发明所属技术领域的技术人员可以对所描述的具体实施例做各种各样的修改或补充或采用类 似的方式替代，但并不会偏离本发明的精神或者超越所附权利要求书所定义的范围。

Claims (7)

  1. 一种具有保护机构的颚式破碎机，包括机架(1)、固定颚板(2)与活动颚板(3)，所述活动颚板(3)上转动设置有驱动活动颚板(3)工作的转轴(4)，该转轴(4)的一端转动设置有一个驱动该转轴(4)转动的飞轮(5)且该转轴(4)偏心设置在该飞轮(5)上，其特征在于，所述转轴(4)与飞轮(5)之间设置有使飞轮(5)与转轴(4)闭合或开启的保护机构(6)。
  2. 根据权利要求1所述的一种具有保护机构的颚式破碎机，其特征在于，所述保护机构(6)包括开设在转轴(4)与飞轮(5)上的安装槽(7)，该安装槽(7)为圆形且圆心位于转轴(4)上，该安装槽(7)的轴向与转轴(4)的轴向平行，该安装槽(7)内转动设置有一个偏心块(8)，该偏心块(8)的形状与安装槽(7)位于转轴(4)上部分的形状相同，该转轴(4)的一端固定设置有一个控制上述偏心块(8)转动的控制模块(9)。
  3. 根据权利要求2所述的一种具有保护机构的颚式破碎机，其特征在于，所述偏心块(8)的一端固定设置有一个档杆(10)，所述转轴(4)上分别固定设置有一个限制上述转轴(4)转动位置的第一限位杆(11)与第二限位杆(12)，当档杆(10)转动至第一限位杆(11)处时，偏心块(8)完全位于转轴(4)上的安装槽(7)内，当档杆(10)转动至第二限位杆(12)处时，部分偏心块(8)位于飞轮(5)上的安装槽(7)内。
  4. 根据权利要求3所述的一种具有保护机构的颚式破碎机，其特征在于，所述档杆(10)的长度大于偏心块(8)外径与第一限位杆(11)和第二限位杆(12)之间的最短距离。
  5. 根据权利要求4所述的一种具有保护机构的颚式破碎机，其特征在于，所述安装槽(7)圆心处固定设置有一个转动杆(13)，所述偏心块(8)上开设有用于卡接该转动杆(13)的转动槽(16)，偏心块(8)通过该转动槽(16)套设在转动杆(13)上。
  6. 根据权利要求1所述的一种具有保护机构的颚式破碎机，其特征在于，所述保护机构(6)包括多个围绕转轴(4)设置的滑槽(14)，该滑槽(14)的两端分别位于转轴(4)与飞轮(5)上，滑槽(14)的轴向与转轴(4)的轴向垂直，滑槽(14)内活动设置有一个用于锁定转轴(4)与飞轮(5)的滑动销(15)，所述滑槽(14)位于转轴(4)上的长度大于滑槽(14)位于飞轮(5)上的长度 且滑动销(15)的长度小于滑槽(14)位于转轴(4)上的长度并大于滑槽(14)位于飞轮(5)上的长度，所述转轴(4)上固定设置有控制该滑动销(15)移动的控制模块(9)。
  7. 根据权利要求6所述的一种具有保护机构的颚式破碎机，其特征在于，所述滑槽(14)与滑动销(15)分别设置有两个且围绕转轴(4)均匀设置，所述滑槽(14)与滑动销(15)一一对应。
PCT/CN2020/136468 2020-12-10 2020-12-15 一种具有保护机构的颚式破碎机 WO2022120889A1 (zh)

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