WO2017181693A1 - 梯度载荷万向联轴器 - Google Patents

梯度载荷万向联轴器 Download PDF

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Publication number
WO2017181693A1
WO2017181693A1 PCT/CN2016/108792 CN2016108792W WO2017181693A1 WO 2017181693 A1 WO2017181693 A1 WO 2017181693A1 CN 2016108792 W CN2016108792 W CN 2016108792W WO 2017181693 A1 WO2017181693 A1 WO 2017181693A1
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Prior art keywords
flange
shaft
primary
cross pin
transmission
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PCT/CN2016/108792
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English (en)
French (fr)
Inventor
赵龙志
陈春凤
李林
孔骏骏
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镇江索达联轴器有限公司
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Publication of WO2017181693A1 publication Critical patent/WO2017181693A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
    • F16D3/26—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D9/00—Couplings with safety member for disconnecting, e.g. breaking or melting member
    • F16D9/06—Couplings with safety member for disconnecting, e.g. breaking or melting member by breaking due to shear stress
    • F16D9/08—Couplings with safety member for disconnecting, e.g. breaking or melting member by breaking due to shear stress over a single area encircling the axis of rotation, e.g. shear necks on shafts

Definitions

  • the invention relates to a gradient load universal joint and belongs to the field of couplings.
  • some couplings also have the function of damping, damping and improving the dynamic performance of the shafting.
  • the coupling consists of two halves, which are respectively coupled to the drive shaft and the driven shaft.
  • Most of the general power machines are connected to the working machine by means of a coupling.
  • the universal joint uses the characteristics of its mechanism to make the two shafts not on the same axis, and the two axes can be continuously rotated under the condition of the angle of the axis, and the torque and the movement can be reliably transmitted.
  • the biggest feature of universal coupling is that its structure has large angular compensation capability, compact structure and high transmission efficiency.
  • the angles of the two axes of different structural types of universal joints are different, generally between 5° and 45°.
  • the universal joint coupling needs to protect the overload while transmitting the non-coaxial movement, and can automatically disconnect the transmission chain when an overload occurs.
  • the invention designs a gradient load universal joint for the needs of overload protection in the current transmission process.
  • the gradient load universal joint has the following structures: a first connecting flange, a second connecting flange, a first shaft end flange, a primary shaft, a connecting shaft, a secondary shaft, a secondary shaft end flange, Connecting bolt, three-stage connecting flange, four-stage connecting flange, cross pin; one-stage connecting flange and two-stage connecting flange are designed for dual structure, cross pin between first-level connecting flange and second-connecting flange
  • the connection is realized, the secondary connection flange and the first-stage shaft end flange are axially connected by the connecting bolt, and the first-stage shaft end flange and the end of the primary shaft are integrated, and the primary shaft and the secondary shaft are connected
  • the shaft is connected, the connecting shaft is integrated with the primary shaft and the secondary shaft, and the primary shaft and the secondary shaft have the same diameter, and the connecting shaft diameter is smaller than the primary shaft and the secondary shaft diameter, and the secondary shaft
  • the end and the secondary shaft end flange are integrated,
  • the anti-torque coefficient of the connecting bolt is not equal to the anti-torque coefficient of the connecting shaft and the anti-torque coefficient of the cross pin.
  • the connecting bolt between the secondary connecting flange and the primary shaft end flange is equal in size to the connecting bolt between the secondary shaft end flange and the third-stage connecting flange, and is uniformly arranged in a ring.
  • the cross pin has a clearance fit with the primary connection flange and the secondary connection flange.
  • the cross pin and the third-stage connecting flange and the fourth-stage connecting flange have a clearance fit.
  • the invention has simple structure, and the double overload protection structure of the connecting shaft and the connecting bolt is added to realize the gradient of the transmission overload, and the load can be gradually distributed when the overload occurs during the transmission process, thereby reducing the damage degree of the equipment caused by the overload. , to achieve the effect of load release.
  • Figure 1 is a general structural view of the present invention.
  • Figure 2 is an exploded structural view of the present invention.
  • the structure includes: first-grade connecting flange 1, two-stage connecting flange 2, first-stage shaft end flange 3, first-stage shaft 4, connecting shaft 5 , secondary shaft 6, secondary shaft end flange 7, connecting bolt 8, three-stage connecting flange 9, four-stage connecting flange 10, cross pin 11; primary connecting flange 1 and secondary connecting flange 2 are The dual structure design, the first connection flange 1 and the second connection flange 2 are connected by the cross pin 11 , and the second connection flange 2 and the first shaft end flange 3 are connected by the connection bolt 8 for axial connection, The end of the shaft end flange 3 and the end of the primary shaft 4 are of a unitary structure, and the primary shaft 4 and the secondary shaft 6 are connected by a connecting shaft 5, which is connected to the primary shaft 4 and the secondary shaft 6
  • the shaft diameters of the primary shaft 4 and the secondary shaft 6 are equal, the shaft diameter of the connecting shaft 5 is smaller than the shaft diameter of the primary shaft
  • the torque resistance coefficient of the bolt 8 is not equal to the torque resistance coefficient of the connecting shaft 5 and the torque resistance coefficient of the cross pin 11; the connecting bolt 8 between the secondary connecting flange 2 and the primary shaft end flange 3 is the same
  • the connecting bolts 8 between the shaft end flange 7 and the third-stage connecting flange 9 are of the same specification, and are uniformly arranged in a ring; the cross pin 11 is connected between the first connecting flange 1 and the secondary connecting flange 2
  • the cross pin 11 and the third-stage connecting flange 9 and the fourth-stage connecting flange 10 are gap-fitted.
  • the gradient load universal joint described in this embodiment when in use, the first connecting flange 1 and the secondary connecting flange 2 are driven by the cross pin 11, the secondary connecting flange 2 and the primary shaft end Flange 3 between the connecting bolts 8
  • the transmission is realized, and the transmission between the primary shaft 4 and the secondary shaft 6 is realized by the connecting shaft 5, and the transmission between the secondary shaft end flange 7 and the third-stage connecting flange 9 by means of the connecting bolt 8 is realized, and the three-stage connecting flange is realized.
  • 9 and the four-stage connecting flange 10 are driven by the cross pin 11, and the double overload protection structure of the connecting shaft 5 and the connecting bolt 8 is added to realize the gradient of the transmission overload, and the load can be carried out when an overload situation occurs during the transmission process. Gradient distribution can reduce the degree of equipment damage caused by overload and achieve the effect of load release.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Motor Power Transmission Devices (AREA)
  • Arrangement And Driving Of Transmission Devices (AREA)

Abstract

一种梯度载荷万向联轴器，结构中一级连接法兰(1)与二级连接法兰(2)之间由十字销(11)实现传动，二级连接法兰(2)与一级轴端法兰(3)之间通过连接螺栓(8) 实现传动，一级轴(4)与二级轴(6)之间通过连接轴(5)实现传动，二级轴端法兰(7)与三级连接法兰(9)之间借助连接螺栓(8)实现传动，三级连接法兰(9)与四级连接法兰(10)通过十字销(11)实现传动；连接螺栓（8）的抗扭矩系数与连接轴（5）的抗扭矩系数和十字销（11）的抗扭矩系数不相等；通过增设了连接轴(5)与连接螺栓(8)双重过载保护结构，实现了传动过载的梯度化，在传动过程中发生过载情况时可以将载荷进行梯度化分布，可以降低过载造成的设备损坏程度，达到载荷释放的效果。

Description

梯度载荷万向联轴器 技术领域
本发明涉及梯度载荷万向联轴器，属于联轴器领域。
背景技术
用来联接不同机构中的两根轴(主动轴和从动轴)使之共同旋转以传递扭矩的机械零件。在高速重载的动力传动中，有些联轴器还有缓冲、减振和提高轴系动态性能的作用。联轴器由两半部分组成，分别与主动轴和从动轴联接。一般动力机大都借助于联轴器与工作机相联接。万向联轴器利用其机构的特点，使两轴不在同一轴线，存在轴线夹角的情况下能实现所联接的两轴连续回转，并可靠地传递转矩和运动。万向联轴器最大的特点是：其结构有较大的角向补偿能力，结构紧凑，传动效率高。不同结构型式万向联轴器两轴线夹角不相同，一般在5°-45°之间。
目前万向联轴器在传递非同轴运动的同时，需要对过载起到保护作用，在发生过载时可以实现自动断开传动链。
发明内容
本发明针对目前传动过程中的过载保护的需要，设计了梯度载荷万向联轴器。
本发明解决其技术问题所采取的技术方案是：
该梯度载荷万向联轴器，其结构包括：一级连接法兰、二级连接法兰、一级轴端法兰、一级轴、连接轴、二级轴、二级轴端法兰、连接螺栓、三级连接法兰、四级连接法兰、十字销；一级连接法兰与二级连接法兰为对偶结构设计，一级连接法兰与二级连接法兰之间通过十字销实现连接，二级连接法兰与一级轴端法兰通过连接螺栓实现轴向连接，一级轴端法兰与一级轴的端部为一体式结构，一级轴与二级轴通过连接轴实现连接，所述连接轴与一级轴和二级轴为一体式结构，一级轴和二级轴轴径相等，连接轴轴径小于一级轴和二级轴轴径，二级轴的端部与二级轴端法兰为一体式结构，二级轴端法兰与三级连接法兰通过连接螺栓实现轴向连接，三级连接法兰与四级连接法兰之间通过十字销实现连接。
所述连接螺栓的抗扭矩系数与连接轴的抗扭矩系数和十字销的抗扭矩系数不相等。
所述二级连接法兰与一级轴端法兰之间的连接螺栓同二级轴端法兰与三级连接法兰之间的连接螺栓规格相等，均为环装均匀布置。
所述十字销与一级连接法兰和二级连接法兰之间为间隙配合。
所述十字销与三级连接法兰与四级连接法兰之间为间隙配合。
与现有技术相比，本发明的有益效果是：
本发明结构简单，通过增设了连接轴与连接螺栓双重过载保护结构，实现了传动过载的梯度化，在传动过程中发生过载情况时可以将载荷进行梯度化分布，可以降低过载造成的设备损坏程度，达到载荷释放的效果。
附图说明
图1为本发明整体结构图。
图2为本发明分解结构图。
图中：1一级连接法兰、2二级连接法兰、3一级轴端法兰、4一级轴、5连接轴、6二级轴、7二级轴端法兰、8连接螺栓、9三级连接法兰、10四级连接法兰、11十字销。
具体实施方式
如图1、2所示：梯度载荷万向联轴器，其结构包括：一级连接法兰1、二级连接法兰2、一级轴端法兰3、一级轴4、连接轴5、二级轴6、二级轴端法兰7、连接螺栓8、三级连接法兰9、四级连接法兰10、十字销11；一级连接法兰1与二级连接法兰2为对偶结构设计，一级连接法兰1与二级连接法兰2之间通过十字销11实现连接，二级连接法兰2与一级轴端法兰3通过连接螺栓8实现轴向连接，一级轴端法兰3与一级轴4的端部为一体式结构，一级轴4与二级轴6通过连接轴5实现连接，所述连接轴5与一级轴4和二级轴6为一体式结构，一级轴4和二级轴6的轴径相等，连接轴5轴径小于一级轴4和二级轴6轴径，二级轴6的端部与二级轴端法兰7为一体式结构，二级轴端法兰7与三级连接法兰9通过连接螺栓8实现轴向连接，三级连接法兰9与四级连接法兰10之间通过十字销11实现连接；所述连接螺栓8的抗扭矩系数与连接轴5的抗扭矩系数和十字销11的抗扭矩系数不相等；所述二级连接法兰2与一级轴端法兰3之间的连接螺栓8同二级轴端法兰7与三级连接法兰9之间的连接螺栓8规格相等，均为环装均匀布置；所述十字销11与一级连接法兰1和二级连接法兰2之间为间隙配合；所述十字销11与三级连接法兰9与四级连接法兰10之间为间隙配合。
本实施例所描述的梯度载荷万向联轴器，使用时，一级连接法兰1与二级连接法兰2之间由十字销11实现传动，二级连接法兰2与一级轴端法兰3之间通过连接螺栓8 实现传动，一级轴4与二级轴6之间通过连接轴5实现传动，二级轴端法兰7与三级连接法兰9之间借助、连接螺栓8实现传动，三级连接法兰9与四级连接法兰10通过十字销11实现传动，通过增设了连接轴5与连接螺栓8双重过载保护结构，实现了传动过载的梯度化，在传动过程中发生过载情况时可以将载荷进行梯度化分布，可以降低过载造成的设备损坏程度，达到载荷释放的效果。
以上所述，仅为本发明的具体实施方式，熟悉本领域的技术人员在本发明揭露的范围内，可轻易想到的变化，都应涵盖在发明的保护范围之内。

Claims (5)

  1. 梯度载荷万向联轴器，结构包括：一级连接法兰(1)、二级连接法兰(2)、一级轴端法兰(3)、一级轴(4)、连接轴(5)、二级轴(6)、二级轴端法兰(7)、连接螺栓(8)、三级连接法兰(9)、四级连接法兰(10)、十字销(11)；其特征是：一级连接法兰(1)与二级连接法兰(2)为对偶结构设计，一级连接法兰(1)与二级连接法兰(2)之间通过十字销(11)实现连接，二级连接法兰(2)与一级轴端法兰(3)通过连接螺栓(8)实现轴向连接，一级轴端法兰(3)与一级轴(4)的端部为一体式结构，一级轴(4)与二级轴(6)通过连接轴(5)实现连接，所述连接轴(5)与一级轴(4)和二级轴(6)为一体式结构，一级轴(4)和二级轴(6)的轴径相等，连接轴(5)轴径小于一级轴(4)和二级轴(6)轴径，二级轴(6)的端部与二级轴端法兰(7)为一体式结构，二级轴端法兰(7)与三级连接法兰(9)通过连接螺栓(8)实现轴向连接，三级连接法兰(9)与四级连接法兰(10)之间通过十字销(11)实现连接。
  2. 根据权利要求1所述的梯度载荷万向联轴器，其特征是：连接螺栓(8)的抗扭矩系数与连接轴(5)的抗扭矩系数和十字销(11)的抗扭矩系数不相等。
  3. 根据权利要求1所述的梯度载荷万向联轴器，其特征是：二级连接法兰(2)与一级轴端法兰(3)之间的连接螺栓(8)同二级轴端法兰(7)与三级连接法兰(9)之间的连接螺栓(8)规格相同，均为环装均匀布置。
  4. 根据权利要求1所述的梯度载荷万向联轴器，其特征是：十字销(11)与一级连接法兰(1)和二级连接法兰(2)之间为间隙配合。
  5. 根据权利要求1所述的梯度载荷万向联轴器，其特征是：十字销(11)与三级连接法兰(9)与四级连接法兰(10)之间为间隙配合。
PCT/CN2016/108792 2016-04-19 2016-12-07 梯度载荷万向联轴器 WO2017181693A1 (zh)

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CN105757132A (zh) * 2016-04-19 2016-07-13 镇江索达联轴器有限公司 梯度载荷万向联轴器

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Publication number Priority date Publication date Assignee Title
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