Involute cross shaft type universal coupling

Abstract

The utility model discloses an involute cross shaft type universal coupling which comprises a spline assembly and further comprises a switching assembly, and the first end of the switching assembly is detachably connected with the first end of the spline assembly. The first end of the roller fork head assembly is detachably connected with the second end of the switching assembly, and the second end of the roller fork head assembly is detachably connected with the roller inner gear sleeve; the first end of the motor fork head assembly is detachably connected with the second end of the spline assembly, and the second end of the motor fork head assembly is detachably connected with the motor shaft sleeve. The coupler is composed of a plurality of modularized assemblies such as a spline assembly, a switching assembly, a roller fork head assembly and a motor fork head assembly. Due to the modular design, manufacturing and assembling are facilitated, the maintainability and flexibility of the coupler are greatly improved, and parts are more convenient and faster to maintain or replace.

Description

Technical Field

[0001] The utility model relates to the technical field of couplings, in particular to an involute cross-axis universal coupling. Background Art

[0002] At present, the cross-axis universal coupling is one of the most common parts in transmission equipment. It has the characteristics of large angle compensation ability, large load-bearing capacity, high transmission efficiency, stable transportation, low noise, easy disassembly and maintenance, etc. It is often used to connect two shafts (driving shaft and driven shaft) in different mechanisms so that they rotate together to transmit torque. At the same time, it has the function of compensating for the axial, angular and radial offsets between the driving shaft and the driven shaft caused by manufacturing errors, installation errors, load deformation and temperature changes. The traditional cross-axis universal coupling is mainly composed of flange fork, cross bag assembly, spline shaft assembly, spline sub-assembly, etc. The flange fork and the spline shaft assembly are assembled with the cross bag assembly as one side of the universal shaft, and the components on the other side are flange fork, cross bag assembly and spline sub-assembly.

[0003] In the prior art, the patent document with application number: CN202322104057.3 discloses a multi-purpose limitable bidirectional spline cross-shaft universal coupling, which includes a spline sleeve assembly and a spline shaft assembly respectively installed on both sides of the spline sleeve assembly; the spline sleeve assembly includes a spline sleeve body with internal splines respectively provided on both sides of the inner hole; the spline shaft assembly includes a fork head shaft, the fork head shaft includes a connecting sleeve and a spline shaft axially arranged at the inner center of the connecting sleeve and provided with an external spline matching the spline in the inner hole of the spline sleeve body on the outside, the spacing between the spline shaft and the connecting sleeve is matched with the wall thickness of the end of the spline sleeve body, the spline of the spline shaft is connected to the inner side of the end of the spline sleeve body, the connecting sleeve is sleeved on the outer side of the end of the spline sleeve body, and a positioning locking assembly is provided on the outer side of the connecting sleeve and the outer side of the spline sleeve body. The utility model can be used in a variety of working conditions. The multi-purpose use of one shaft can reduce the amount of spare parts, shorten the maintenance time when a fault occurs, and increase the product life. In addition, the entire shaft runs more quietly and has a shock-absorbing and noise-reducing effect.

[0004] However, the existing cross-axis universal coupling is too long, which is not convenient for on-site installation. When it is repaired or replaced later, the entire shaft must be disassembled or installed, which takes a long time. Therefore, it is necessary to improve such a structure to overcome the above defects. Utility Model Content

[0005] The utility model aims to provide an involute cross-axis universal coupling, which is used to solve the problem that the existing cross-axis universal coupling is too long and inconvenient to install on site, and the entire shaft must be disassembled or installed during later maintenance or replacement, which is time-consuming.

[0006] The above technical objectives of the utility model are achieved by using the following technical solutions:

[0007] An involute cross-axis universal coupling includes a spline assembly, the spline assembly is used to transmit torque, and also includes:

[0008] An adapter assembly, a first end of the adapter assembly being detachably connected to a first end of the spline assembly;

[0009] A roller fork assembly, wherein the first end of the roller fork assembly is detachably connected to the second end of the adapter assembly, and the second end of the roller fork assembly is detachably connected to the inner gear sleeve of the roller;

[0010] A motor fork assembly, wherein a first end of the motor fork assembly is detachably connected to a second end of the spline assembly, and a second end of the motor fork assembly is detachably connected to a motor sleeve;

[0011] The adapter assembly includes an adapter sleeve, a first adapter flange is arranged on the first end of the adapter sleeve, the adapter sleeve is connected to the first end of the spline assembly through the first adapter flange and is locked through the first connecting unit, a second adapter flange is arranged on the second end of the adapter sleeve, the adapter sleeve is connected to the roller fork assembly through the second adapter flange and is locked through the second connecting unit.

[0012] The utility model is further configured as follows: the spline assembly comprises:

[0013] A spline shaft, a keyway is provided on the outer wall of the spline shaft, and the spline shaft is used to transmit torque;

[0014] The spline sleeve has key teeth matching the keyway on its inner side wall, the spline sleeve is arranged on the spline shaft, the upper sleeve of the spline sleeve is provided with a protective cover, and spline flanges are arranged on both ends of the spline sleeve.

[0015] The utility model is further configured as follows: a first roller flange is arranged on the first end of the roller fork assembly, the roller fork assembly is connected to the second adapter flange through the first roller flange and is locked through the second connecting unit, a second roller flange is arranged on the second end of the roller fork assembly, the roller fork assembly is connected to the roller inner gear sleeve through the second roller flange and is locked through the third connecting unit.

[0016] The utility model is further configured as follows: a connecting flange is arranged on one end of the inner gear sleeve of the roller, and the inner gear sleeve of the roller is connected to the second roller flange through the connecting flange and is locked through the connecting unit three.

[0017] The utility model is further configured as follows: an opening is arranged on the inner gear sleeve of the roller, and a top head is arranged in the opening.

[0018] The utility model is further configured as follows: a first motor flange is arranged on the first end of the motor fork assembly, the motor fork assembly is connected to the spline assembly via the first motor flange, and a second motor flange is arranged on the second end of the motor fork assembly.

[0019] The utility model is further configured as follows: a third motor flange is arranged on one end of the motor sleeve, and the motor sleeve is connected to the second motor flange through the third motor flange and is locked through a connecting unit four.

[0020] The utility model is further configured as follows: an oil injection unit is arranged on the spline sleeve, and the oil injection unit penetrates the inner and outer side walls of the spline sleeve.

[0021] In summary, the utility model has the following beneficial effects:

[0022] The coupling is composed of multiple modular components, including spline assembly, adapter assembly, roller fork assembly and motor fork assembly. This modular design is not only easy to manufacture and assemble, but also greatly enhances the maintainability and flexibility of the coupling. The detachable connection between the components makes it more convenient and quick to repair or replace parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of the utility model.

[0024] Figure 2 It is an AA sectional view of the utility model.

[0025] Figure 3 It is a BB sectional view of the utility model.

[0026] Figure 4 It is a CC sectional view of the utility model.

[0027] Numbers: Roller fork assembly 1, first roller flange 2, second roller flange 3, motor fork assembly 4, first motor flange 5, second motor flange 6, adapter sleeve 7, first adapter flange 8, second adapter flange 9, roller inner gear sleeve 10, connecting flange 11, top head 12, motor sleeve 13, third motor flange 14, spline shaft 15, spline sleeve 16, protective cover 17, oil injection unit 18 DETAILED DESCRIPTION

[0028] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with illustrations and specific embodiments.

[0029] like Figures 1 to 4As shown, the utility model proposes an involute cross-axis universal coupling, including a spline assembly, the spline assembly is used to transmit torque, and also includes a transfer assembly, the first end of the transfer assembly is detachably connected to the first end of the spline assembly; a roller fork assembly 1, the first end of the roller fork assembly 1 is detachably connected to the second end of the transfer assembly, and the second end of the roller fork assembly 1 is detachably connected to the roller inner gear sleeve 10; a motor fork assembly 4, the first end of the motor fork assembly 4 is detachably connected to the second end of the spline assembly, and the second end of the motor fork assembly 4 It is detachably connected to the motor sleeve 13; the adapter assembly includes an adapter sleeve 7, a first adapter flange 8 is provided on the first end of the adapter sleeve 7, the adapter sleeve 7 is connected to the first end of the spline assembly through the first adapter flange 8 and locked through the connection unit 1, and a second adapter flange 9 is provided on the second end of the adapter sleeve 7, the adapter sleeve 7 is connected to the roller fork assembly 1 through the second adapter flange 9 and locked through the connection unit 2; the coupling is composed of multiple modular components such as the spline assembly, the adapter assembly, the roller fork assembly 1 and the motor fork assembly 4. This modular design is not only easy to manufacture and assemble, but also greatly enhances the maintainability and flexibility of the coupling. The detachable connection method is adopted between the various components, which makes it more convenient and quick to repair or replace parts.

[0030] In this embodiment, the spline assembly includes a spline shaft 15, a keyway is provided on the outer wall of the spline shaft 15, and the spline shaft 15 is used to transmit torque; a spline sleeve 16, the inner wall of the spline sleeve 16 has key teeth matching the keyway, the spline sleeve 16 is arranged on the spline shaft 15, the upper sleeve of the spline sleeve 16 is provided with a protective cover 17, and spline flanges are provided on both ends of the spline sleeve 16.

[0031] In this embodiment, a first roller flange 2 is provided on the first end of the roller fork assembly 1, and the roller fork assembly 1 is connected to the second adapter flange 9 through the first roller flange 2 and locked through the connecting unit 2. A second roller flange 3 is provided on the second end of the roller fork assembly 1, and the roller fork assembly 1 is connected to the roller inner gear sleeve 10 through the second roller flange 3 and locked through the connecting unit 3.

[0032] In this embodiment, a connecting flange 11 is provided on one end of the roller inner gear sleeve 10 , and the roller inner gear sleeve 10 is connected to the second roller flange 3 via the connecting flange 11 and is locked via the connecting unit 3 .

[0033] In this embodiment, an opening is provided on the inner gear sleeve 10 of the roller, and a plug 12 is provided in the opening. The plug 12 can bear the force from the shaft or other components and effectively transfer the force to the sleeve or other structural components, which helps to disperse the load and prevent local overload and damage.

[0034] In this embodiment, a first motor flange 5 is provided on the first end of the motor fork assembly 4 , the motor fork assembly 4 is connected to the spline assembly via the first motor flange 5 , and a second motor flange 6 is provided on the second end of the motor fork assembly 4 .

[0035] In this embodiment, a third motor flange 14 is provided on one end of the motor sleeve 13, and the motor sleeve 13 is connected to the second motor flange 6 through the third motor flange 14 and locked through the connecting unit 29.

[0036] In this embodiment, an oil injection unit 18 is provided on the spline sleeve 16, and the oil injection unit 18 passes through the inner and outer side walls of the spline sleeve 16. The lubricating oil can directly enter the internal working area of ​​the spline sleeve 16 through the oil injection unit 18 to ensure that the contact surface between the spline and the spline shaft 15 is fully lubricated. By reducing friction and wear, the oil injection unit 18 helps to extend the service life of the spline sleeve 16 and related components.

[0037] The use process and principle of the utility model are as follows: according to the layout and requirements of the transmission system, the spline assembly, the adapter assembly, the roller fork assembly 1 and the motor fork assembly 4 are connected in the correct way. The components are firmly locked together by using a detachable connection unit. The lubrication of the spline sleeve 16 is checked regularly, and an appropriate amount of lubricating oil is injected into the spline sleeve 16 through the oil injection unit 18. At the same time, pay attention to check the fastening of each component to ensure that there is no looseness or wear. After starting the transmission system, observe the operation of the cross-axis universal coupling to ensure that it is stable and has no abnormal vibration or noise. Use monitoring equipment to regularly check parameters such as the temperature and torque of the coupling so as to promptly detect and deal with problems. When it is found that the components are damaged or severely worn, they should be repaired or replaced in time. Due to the modular design, damaged components can be replaced individually without replacing the entire coupling, which reduces maintenance costs and time.

[0038] In the description of the present utility model, it should be noted that the terms "upper", "lower", "inner", "outer", "left", "right" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the utility model product is usually placed when in use, or the orientation or positional relationship commonly understood by those skilled in the art, which is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the equipment or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model. In addition, the terms "first", "second" and the like are only used to distinguish the description, and cannot be understood as indicating or implying relative importance. In the description of the present utility model, it should also be noted that, unless otherwise clearly specified and limited, the terms "set", "connection" and the like should be understood in a broad sense, for example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal connection of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances. In this document, the terms "comprises," "comprising," or any other variations thereof, are intended to cover a non-exclusive inclusion of elements other than those listed and may also include additional elements not expressly listed.

[0039] Any details not mentioned in the above specific embodiments of the present invention belong to the known technologies in the art and can be implemented with reference to the known technologies.

[0040] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. The utility model may have various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. An involute cross-axis universal coupling, comprising a spline assembly, wherein the spline assembly is used to transmit torque, and is characterized in that: Also includes, An adapter assembly, wherein a first end of the adapter assembly is detachably connected to a first end of the spline assembly; A roller fork assembly, wherein the first end of the roller fork assembly is detachably connected to the second end of the adapter assembly, and the second end of the roller fork assembly is detachably connected to the inner gear sleeve of the roller; A motor fork assembly, wherein a first end of the motor fork assembly is detachably connected to a second end of the spline assembly, and a second end of the motor fork assembly is detachably connected to a motor sleeve; The adapter assembly includes an adapter sleeve, a first adapter flange is provided on the first end of the adapter sleeve, the adapter sleeve is connected to the first end of the spline assembly through the first adapter flange and is locked through a connecting unit 1, and a second adapter flange is provided on the second end of the adapter sleeve, the adapter sleeve is connected to the roller fork assembly through the second adapter flange and is locked through a connecting unit 2.

2. The involute cross-axis universal coupling according to claim 1, characterized in that: The spline assembly comprises, A spline shaft, wherein a keyway is provided on the outer wall of the spline shaft, and the spline shaft is used to transmit torque; A spline sleeve, wherein the inner side wall of the spline sleeve is provided with key teeth matching the keyway, the spline sleeve is arranged on the spline shaft, the upper sleeve of the spline sleeve is provided with a protective cover, and both ends of the spline sleeve are provided with spline flanges.

3. The involute cross-axis universal coupling according to claim 1, characterized in that: A first roller flange is arranged on the first end of the roller fork assembly, and the roller fork assembly is connected to the second adapter flange through the first roller flange and locked through the second connecting unit; a second roller flange is arranged on the second end of the roller fork assembly, and the roller fork assembly is connected to the roller inner gear sleeve through the second roller flange and locked through the third connecting unit.

4. The involute cross-axis universal coupling according to claim 3, characterized in that: A connecting flange is arranged on one end of the roller inner gear sleeve, and the roller inner gear sleeve is connected to the second roller flange through the connecting flange and is locked through the connecting unit three.

5. The involute cross-axis universal coupling according to claim 1, characterized in that: An opening is arranged on the inner gear sleeve of the rolling roller, and a plug is arranged in the opening.

6. The involute cross-axis universal coupling according to claim 1, characterized in that: A first motor flange is arranged on the first end of the motor fork assembly, and the motor fork assembly is connected to the spline assembly via the first motor flange. A second motor flange is arranged on the second end of the motor fork assembly.

7. The involute cross-axis universal coupling according to claim 6, characterized in that: A third motor flange is arranged on one end of the motor sleeve, and the motor sleeve is connected to the second motor flange through the third motor flange and locked through a connecting unit four.

8. The involute cross-axis universal coupling according to claim 2, characterized in that: The spline sleeve is provided with an oil injection unit, which penetrates the inner and outer side walls of the spline sleeve.

Images