CN207333480U - A kind of three fork arm Hooks coupling universal coupling of cylindrical roller type - Google Patents
A kind of three fork arm Hooks coupling universal coupling of cylindrical roller type Download PDFInfo
- Publication number
- CN207333480U CN207333480U CN201721289101.0U CN201721289101U CN207333480U CN 207333480 U CN207333480 U CN 207333480U CN 201721289101 U CN201721289101 U CN 201721289101U CN 207333480 U CN207333480 U CN 207333480U
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- CN
- China
- Prior art keywords
- cylindrical roller
- fork arm
- output shaft
- slide block
- assembly
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- 238000010168 coupling process Methods 0.000 title claims abstract description 64
- 230000008878 coupling Effects 0.000 title claims abstract description 63
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 63
- 238000005461 lubrication Methods 0.000 claims abstract description 12
- 238000009826 distribution Methods 0.000 claims abstract description 4
- 238000005096 rolling process Methods 0.000 claims description 16
- 230000001050 lubricating effect Effects 0.000 claims description 15
- 238000013016 damping Methods 0.000 claims description 7
- 239000004519 grease Substances 0.000 claims description 4
- 239000010687 lubricating oil Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 12
- 238000009434 installation Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000005299 abrasion Methods 0.000 abstract description 3
- 230000033001 locomotion Effects 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
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- Bearings For Parts Moving Linearly (AREA)
Abstract
The utility model discloses a kind of three fork arm Hooks coupling universal coupling of cylindrical roller type, including：Input shaft, slide block assembly, trident bar assembly, output shaft assembly；The input shaft side is provided with keyway, and opposite side is provided with three groups of slide block slots in 120 ° of distributions；The slide block assembly has 3 sets, is separately mounted to described in 3 groups in slide block slot, and is connected with the trident bar assembly；The trident bar assembly is connected by involute spline with the output shaft assembly, three fork arm Hooks coupling universal coupling of cylindrical roller type provided by the utility model has high lubrication, and abrasion is small, and energy loss is small, transmission efficiency, bearing capacity is strong, reliable, service life length, buffer shock-absorbing performance is good, the remarkable advantage such as low manufacture cost, processing and installation convenience, is adapted to more complicated transmission scene.
Description
Technical field
Shaft coupling field is the utility model is related to, particularly relates to a kind of three fork arm universal joint shaft of cylindrical roller type
Device.
Background technology
With the development of science and technology, more and more mechanical equipments, need to adjust two between centers to reach optimal properties of product
Distance and angle, in mechanical transmission course shaft coupling propose increasingly higher demands.For transmit two between centers become distance and
The torque of angle, the structure of use is usually Hooks coupling universal coupling.Common Hooks coupling universal coupling has cross Hooks coupling universal coupling and ball
Cage Hooks coupling universal coupling etc..Cross Hooks coupling universal coupling can produce additional load in transmission process, cause vibration, be not suitable for
At a high speed, the excessive transmission of interaxial angle；Ball cage type Hooks coupling universal coupling is then there are high precision machining, the shortcomings such as bearing capacity is low.
In order to overcome the disadvantages mentioned above of common Hooks coupling universal coupling, it is universal that new three fork arm of cylindrical roller type has been invented in design
Shaft coupling.The Universal coupling has that buffer shock-absorbing is good, low manufacture cost, and processing and installation is convenient, and bearing capacity is strong,
It is reliable, the advantages of service life is long.The Universal coupling uses the movement shape that cylindrical roller rolls in rolling groove
Formula, instead of common Hooks coupling universal coupling sliding block and is directly slided in groove, reduce the friction and wear in transmission process, reduce
Shaft coupling energy loss, improves production efficiency.The Universal coupling uses the form of involute spline transmission, improves
The bearing capacity of shaft coupling.
The content of the invention
It is good that the purpose of this utility model is to provide a kind of buffer shock-absorbing, low manufacture cost, and processing and installation is convenient, carrying
Greatly, reliable, low-loss, service life length, it is universal to be adapted to complicated three fork arm of cylindrical roller type for being driven scene
Axis device.
Scheme is as follows used by the utility model：
A kind of three fork arm Hooks coupling universal coupling of cylindrical roller type, including：Input shaft, slide block assembly, trident bar assembly, output shaft
Component；The input shaft side is provided with keyway, and opposite side is provided with three groups of slide block slots in 120 ° of distributions；The slide block assembly has 3
Set, is separately mounted to described in 3 groups in slide block slot, and be connected with the trident bar assembly；The trident bar assembly is by gradually opening
Line spline is connected with the output shaft assembly.
Further, often covering the slide block assembly includes：Slider body, cylindrical roller, roller cage, oscillating bearing；
The slider body is rectangular configuration, and both sides are provided with rolling groove；The cylindrical roller for often covering the slide block assembly has 10,
The roller cage has 2, and every 5 cylindrical rollers are separately mounted in every 1 roller cage, the roller
Retainer is installed on the both sides of the slider body by screw, and the cylindrical roller can roll in the rolling groove；Institute
Stating oscillating bearing has 3 sets, is separately mounted to the center of the slider body.
Further, the trident bar assembly includes：Three fork arms, lubricating felt, rubber damping pad；The base of three fork arm
Portion is machined with boss, and middle part is machined with involute spline groove；The involute spline groove is in excessively described three fork arms, three axial lines
Face on be provided with lubrication groove, the lubricating felt is positioned in the lubrication groove；The inner ring for often covering the oscillating bearing is installed on
On three fork arm, sliding pair is formed；The vibration isolation rubber is lined with 3, is placed in the boss of three fork arm and the joint
Between bearing, play the role of the support oscillating bearing and absorb the oscillating bearing vibration.
Further, the output shaft assembly includes：Output shaft, output shaft end cap, spring；The output shaft side processing
For the form of involute spline, and the shaft shoulder is processed, slided in the involute spline groove of three fork arm, form sliding pair；
The output shaft end cap is installed on the end of the output shaft involute spline side by trip bolt；The spring is placed in
Between the end face of three fork arm and the shaft shoulder of the output shaft, when the input shaft and the output shaft axle base reduce
When, the spring plays the role of transmitting thrust and absorbs axial vibration.
Further, the oscillating bearing is made of self-lubricating material, realizes the lubrication of itself；The lubricating felt
Lubricating oil is fully infiltrated before assembling, is constantly moistened in sliding process in the involute spline groove easy to the output shaft
Lubricating oil, forming oil film with this reduces friction coefficient, so as to reduce friction；The rolling groove of the slider body and the input shaft
The lubrication groove that section is arc is provided with slide block slot, its depth is 0.1 times of cylindrical roller diameter, curvature and the cylinder
Roller circular section is identical, in order to storing lubricating grease, the cylindrical roller in the pre-assembly, the slide block slot rolling groove and
Lubricating grease is uniformly smeared in the rolling groove of the slider body, in order to which the roller is constantly lubricated in rolling process,
Thus friction, abrasion and the energy loss of total system are reduced.
The beneficial effect that a kind of three fork arm Hooks coupling universal coupling of cylindrical roller type of the utility model can obtain is：
Employ cylindrical roller and roll the form that sliding block directly slides that instead of, line contact instead of face contact；To gradually opening
Line spline drived part uses the processing mode of lubricating felt feed lubrication, and oscillating bearing uses self-lubricating material；In joint shaft
Hold and rubber damping pad is set between the boss of three fork arms, the axial movement of output shaft sets spring；Employ high transmission accuracy,
The involute spline driving form of large carrying capacity；Compared with existing three fork arms Hooks coupling universal coupling, there is high lubrication, wear
Small, energy loss is small, and transmission efficiency, bearing capacity is strong, reliable, and service life length, buffer shock-absorbing performance is good, is fabricated to
This is low, and the remarkable advantages such as processing and installation is convenient, are adapted to more complicated transmission scene.
Brief description of the drawings
Fig. 1：A kind of three fork arm Hooks coupling universal coupling device three-dimensional structure diagram of cylindrical roller type of the utility model；
Fig. 2：A kind of three fork arm Hooks coupling universal coupling slide block assembly figure of cylindrical roller type of the utility model；
Fig. 3：A kind of three fork arm Hooks coupling universal coupling slider body figure of cylindrical roller type of the utility model；
Fig. 4：A kind of three fork arm Hooks coupling universal coupling trident bar assembly figure of cylindrical roller type of the utility model；
Fig. 5：A kind of three fork arm Hooks coupling universal coupling output shaft assembly figure of cylindrical roller type of the utility model.
In figure：1- input shafts, 2- slide block assemblies, 3- trident bar assemblies, 4- output shaft assemblies, 20- slider bodies, 21- circles
Column roller, 22- roller cages, 23- oscillating bearings, tri- fork arms of 30-, 31- lubricating felts, 32- rubber damping pads, 40- outputs
Hubcap, 41- output shafts, 42- springs.
Embodiment
The specific implementation to the utility model is further described below in conjunction with the accompanying drawings.
As shown in Fig. 1,2,3,4,5, three fork arm Hooks coupling universal coupling of the utility model cylindrical roller type, including：Input shaft 1,
Slide block assembly 2, trident bar assembly 3, output shaft assembly 4；Described 1 one end of input shaft is provided with keyway, and the other end is provided with three groups and is in
The slide block slot of 120 ° of distributions；The slide block assembly 2 has 3 sets, is separately mounted to described in 3 groups in slide block slot, and with three fork arm groups
Part 3 connects；The trident bar assembly 3 is connected by involute spline with the output shaft assembly 4.
The slide block assembly 2, which often covers, to be included：Slider body 20, cylindrical roller 21, roller cage 22, oscillating bearing 23；
The slider body 20 is rectangular configuration, and both sides are provided with rolling groove；The cylindrical roller 21 for often covering the slide block assembly 2 has
10, the roller cage 22 has 2, and every 5 cylindrical rollers 21 are separately mounted to every 1 roller cage 22
Interior, the roller cage 22 is installed on the both sides of the slider body 20 by screw, and the cylindrical roller 21 can be in institute
State in the rolling groove of input shaft 1 and roll；The oscillating bearing 23 has 3 sets, is separately mounted to the center of the slider body 20.
The trident bar assembly 3 includes：Three fork arms 30, lubricating felt 31, rubber damping pad 32；The middle part of three fork arm 30
Involute spline groove is provided with, base portion is machined with boss；The involute spline groove is in excessively described three fork arms, 30 3 axial lines
Lubrication groove is provided with face, the lubricating felt 31 is positioned in the lubrication groove；The inner ring of the oscillating bearing 23 is installed on institute
State on three fork arms 30, form sliding pair；The rubber damping pad 32 has 3, be respectively placed at three fork arm 30 boss and
Between the oscillating bearing 23.
The output shaft assembly 4 includes：Output shaft end cap 40, output shaft 41, spring 42；41 side of the output shaft processing
For the form of involute spline, the shaft shoulder is processed, and is slided in the involute spline groove of three fork arm 30, forms and slides
It is secondary；The output shaft end cap 40 is installed on the end of the 41 involute spline side of output shaft by trip bolt；The bullet
Spring 42 is placed between the end face of three fork arm 30 and the shaft shoulder of the output shaft 41.
As shown in Fig. 1,2,3,4,5, a kind of three fork arm Hooks coupling universal coupling method of work of cylindrical roller type step of the utility model
It is rapid as follows：
Moment of torsion and movement input to the input shaft 1, and the output is transmitted to through the slide block assembly 2 and trident bar assembly 3
Axis 41, realizes the transmission of moment of torsion.In transmission process, the slide block assembly 2 slides in the slide block slot of the input shaft 1, at the same time
Three fork arm 30 is delivered torque to by the oscillating bearing 23, then passes to the output shaft 41, the output shaft
41 can slide axially in the involute spline groove of the trident bar assembly 3, and transmission process overcomes common Hooks coupling universal coupling
At the uniform velocity input and speed change export the shortcomings that；Meanwhile the oscillating bearing 23 produces when along the axial-movement of three fork arm 30
Vibration can be absorbed by the rubber damping pad 32, the output shaft 41 is axially moved the vibration produced, can be by the bullet
Spring 42 absorbs.During the motion, the cylindrical roller 21 on the slide block assembly 2 is respectively in the rolling of the slider body 20
Rolled in slide block slot on dynamic groove and the input shaft 1, constantly obtain lubricating grease in rolling process, the output shaft 41 constantly by
Lubricating oil is obtained in the lubricating felt 32, coordinates the oscillating bearing 23 using self-lubricating material, system obtains more preferably
Lubricant effect, reduces abrasion and energy-saving and noise-reducing positive effect.
The scope of protection of the utility model is not only limited to this, and any one skilled in the art is in this practicality
In the technical scope of new exposure, the change or replacement that can readily occur in, should all cover the scope of protection of the utility model it
It is interior.Therefore, the scope of protection of the utility model should be using the protection domain that claim is defined as evidence.
Claims (5)
1. a kind of three fork arm Hooks coupling universal coupling of cylindrical roller type, including：Input shaft, slide block assembly, trident bar assembly, output shaft group
Part；The input shaft side is provided with keyway, and opposite side is provided with three groups of slide block slots in 120 ° of distributions；The slide block assembly has 3 sets,
It is separately mounted to described in 3 groups in slide block slot, and is connected with the trident bar assembly；The trident bar assembly is spent by involute
Key is connected with the output shaft assembly.
A kind of 2. three fork arm Hooks coupling universal coupling of cylindrical roller type as claimed in claim 1, it is characterised in that：Often cover the sliding block
Component includes slider body, cylindrical roller, roller cage, oscillating bearing；The slider body is rectangular configuration, and both sides are opened
There is rolling groove；Often covering the cylindrical roller of the slide block assembly has 10, and the roller cage has 2, every 5 circles
Column roller is separately mounted in every 1 roller cage, and the roller cage is installed on the sliding block master by screw
The both sides of body, the cylindrical roller can roll in the rolling groove；The oscillating bearing has 3 sets, is separately mounted to described
The center of slider body.
A kind of 3. three fork arm Hooks coupling universal coupling of cylindrical roller type as claimed in claim 2, it is characterised in that：The three fork arms group
Part includes three fork arms, lubricating felt, rubber damping pad；The base portion of three fork arm is machined with boss, and middle part is machined with involute
Spline；The involute spline groove is provided with lubrication groove, the lubricating felt on the face of excessively described three fork arms, three axial lines
It is positioned in the lubrication groove；The inner ring for often covering the oscillating bearing is installed on three fork arm, forms sliding pair；It is described to subtract
The rubber that shakes is lined with 3, is placed between boss and the oscillating bearing of three fork arm, play the support oscillating bearing and
Absorb the effect of the oscillating bearing vibration.
A kind of 4. three fork arm Hooks coupling universal coupling of cylindrical roller type as claimed in claim 1, it is characterised in that：The output shaft group
Part includes output shaft, output shaft end cap, spring；The output shaft side is processed as the form of involute spline, and processes shaft
Shoulder, is slided in the involute spline groove of three fork arm, forms sliding pair；The output shaft end cap is installed by trip bolt
In the end of the output shaft involute spline side；The spring is placed in the end face of three fork arm and the output shaft
Between the shaft shoulder, when the input shaft and output shaft axle base reduction, the spring plays transmitting thrust and absorption axiss
To the effect of vibration.
A kind of 5. three fork arm Hooks coupling universal coupling of cylindrical roller type as claimed in claim 3, it is characterised in that：The oscillating bearing
It is made of self-lubricating material；Lubricating oil is fully infiltrated before the lubricating felt assembling；The rolling groove of the slider body and
The lubrication groove that section is arc is provided with the slide block slot of the input shaft, its depth is 0.1 times of cylindrical roller diameter, bent
Rate is identical with the cylindrical roller circular section, the cylindrical roller in the pre-assembly, in the rolling groove of the slide block slot and described
Lubricating grease is uniformly smeared in the rolling groove of slider body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721289101.0U CN207333480U (en) | 2017-10-09 | 2017-10-09 | A kind of three fork arm Hooks coupling universal coupling of cylindrical roller type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721289101.0U CN207333480U (en) | 2017-10-09 | 2017-10-09 | A kind of three fork arm Hooks coupling universal coupling of cylindrical roller type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207333480U true CN207333480U (en) | 2018-05-08 |
Family
ID=62367865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721289101.0U Expired - Fee Related CN207333480U (en) | 2017-10-09 | 2017-10-09 | A kind of three fork arm Hooks coupling universal coupling of cylindrical roller type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207333480U (en) |
-
2017
- 2017-10-09 CN CN201721289101.0U patent/CN207333480U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180508 Termination date: 20211009 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |