CN206129915U - Shaft coupling and test system - Google Patents
Shaft coupling and test system Download PDFInfo
- Publication number
- CN206129915U CN206129915U CN201621194873.1U CN201621194873U CN206129915U CN 206129915 U CN206129915 U CN 206129915U CN 201621194873 U CN201621194873 U CN 201621194873U CN 206129915 U CN206129915 U CN 206129915U
- Authority
- CN
- China
- Prior art keywords
- shaft coupling
- rotating shaft
- lid
- curved portions
- test system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model provides a shaft coupling and test system, the shaft coupling include connection subject and with the lid that connection subject connects, connection subject's one end is provided with the connection structure who is used for connecting first pivot, and the other end is provided with arc portion, the lid with the cooperation of arc portion forms the mounting hole that is used for connecting the second pivot, wherein, arc portion with form between the lid be provided with in the mounting hole with the mounting hole complex is used for the cover to be in the second changes epaxial flexible liner. The utility model provides a shaft coupling and test system need not to carry on the processing of engaging tooth on the shaft coupling, the reducible design degree of difficulty and processing complexity, reduce cost, but also have the advantages such as interference that can reduce power junction noise.
Description
Technical field
This utility model is related to shaft coupling technical field, more particularly to a kind of shaft coupling and test system.
Background technology
Automobile or equipment are in process of production, it usually needs each parts are tested, to guarantee its quality.For example,
Motor is generally tested by test-bed, during test, is needed the rotating shaft of motor by shaft coupling and test-bed
The rotating shaft of dynamometer machine is attached, to enter action edge transmission.
For new forms of energy car dynamical system, power part is usually inside and outside spline fitted transmission power, is to improve NVH
(Noise, Vibration, Harshness) performance, the rotating shaft of motor are designed using helical teeth, and this is improved to testing motor rack
Difficulty, because the machine shaft for having helical teeth at present can only realize the connection with dynamometer machine in the following way：
First, it is attached by the helical teeth set with interior helical teeth, but interior helical teeth processing technique is complicated, high processing costs；
2nd, engaged with the helical teeth of machine shaft by the axle with outer helical teeth, but test when installing that machine shaft can not be with
Dynamometer machine is coaxial, and operation is unstable, is to realize that even running also needs to increase other adnexaes such as bearing etc., and cost increases；
3rd, it is attached using planet carrier, but equivalent to increased speed change gear, rotating speed is asynchronous and complex structure, into
This increase.
Above-mentioned three kinds of schemes, cost are higher, and by metal material contact transmission power, so in motor NVH
During performance test, impact can be produced on test result.
Utility model content
In view of this, this utility model is directed to a kind of shaft coupling and test system, to solve to have in prior art
The rotating shaft of helical teeth is high with dynamometer machine link cost and produces the problem for affecting to test result.
To reach above-mentioned purpose, what the technical solution of the utility model was realized in：
This utility model provides a kind of shaft coupling, and the shaft coupling includes connecting main body and connects what main body connected with described
Lid, one end of the connection main body are provided with for connecting the attachment structure of first rotating shaft, and the other end is provided with curved portions, institute
State lid and the curved portions to cooperatively form for being connected the installing hole of the second rotating shaft；Wherein, the curved portions and the lid
Between be provided with the installing hole that formed with the installing hole coordinate for the flexible liner that is enclosed within second rotating shaft
Set.
Further, the side of the flexible liner is formed with from one end the opening axially extended to the other end.
Further, lobe is provided with one of outside of the inner side of the curved portions and the flexible liner,
The groove with the raised portion fits is formed with another one.
Further, the lid is fixedly connected with the curved portions by bolt.
Further, the both sides relative to axis of the curved portions are respectively arranged with the first bolt hole, the lid
Both sides are respectively arranged with the second bolt hole corresponding with the first bolt hole difference, and the bolt passes through first bolt hole
Connect with second bolt hole.
Further, the connection main body includes cylindrical body, and the attachment structure for connecting the first rotating shaft sets
Put in one end of the cylindrical body, the curved portions are integrally formed the other end in the cylindrical body.
Further, the attachment structure for connecting the first rotating shaft is to arrange in the end of the cylindrical body
Ring flange with multiple bolts hole.
The shaft coupling that this utility model is provided leads to the mode of the tooth engagement transmission power for having overturned traditional, without the need in shaft coupling
The engaging tooth that upper setting is engaged with rotating shaft to be connected, saving engaging tooth can reduce the complexity of design difficulty and processing technique
Degree, reduces cost.In addition, the shaft coupling wide accommodation that this utility model is provided, can be used for connection with helical teeth, straight-tooth, people
The rotating shaft of various profiles of tooth such as font tooth, can also connect optical axis.And the shaft coupling provided using this utility model can also be dropped significantly
The interference of low dynamics junction noise.
According to another aspect of the present utility model, a kind of test system is also provided, including the dynamometer machine with first rotating shaft
And the tested device with the second rotating shaft, the test system also include shaft coupling as above, the dynamometer machine it is described
First rotating shaft is connected with the attachment structure of the shaft coupling, and second rotating shaft of the tested device is connected to the arc
In the installing hole that shape portion and the lid are formed.
Further, helical teeth, straight-tooth or human-like tooth are provided with second rotating shaft of the tested device.
Further, the tested device is motor, change speed gear box or electromotor.
The test system is had the advantage that with above-mentioned shaft coupling identical relative to prior art, will not be described here.
Other features and advantages of the utility model will be described in detail in subsequent specific embodiment part.
Description of the drawings
The accompanying drawing for constituting a part of the present utility model is used for providing further understanding to of the present utility model, and this practicality is new
The exemplary embodiment of type and its illustrate for explaining this utility model, do not constitute to improper restriction of the present utility model.
In the accompanying drawings：
Fig. 1 is the structural representation of shaft coupling in an embodiment of the present utility model；
Fig. 2 is the structural representation of connection main body in shaft coupling；
Fig. 3 is the structural representation of lid in shaft coupling；
Fig. 4 is the structural representation of flexible liner in shaft coupling.
Description of reference numerals：
1- connects main body；11- cylindrical bodies；
12- curved portions；121- lobe；
The first bolts hole of 122-；13- ring flanges；
2- lids；The second bolts hole of 21-；
3- flexible liners；31- is open；
32- grooves.
Specific embodiment
It should be noted that the spy in embodiment and embodiment in the case where not conflicting, in this utility model
Levy and can be mutually combined.
In description of the present utility model, it is to be understood that term " interior ", " outward " refer to the interior of each spare part profile
Outward, term " first ", " second " etc. are only for the purpose for describing, for distinguishing same or analogous architectural feature, and can not
It is interpreted as indicating or implying the importance or the impliedly quantity of indicative character of feature.
This utility model provides a kind of shaft coupling, and the shaft coupling is included connecting main body 1 and connected with the connection main body 1
Lid 2, one end of the connection main body 1 is provided with for the attachment structure that connects first rotating shaft that (attachment structure is not limited
In being directly connected to first rotating shaft, also can connect with the part being connected in first rotating shaft), the other end is provided with curved portions 12, institute
State lid 2 and the curved portions 12 to cooperatively form for being connected the installing hole of the second rotating shaft.
Wherein, it is provided with the installing hole for being formed between the curved portions 12 and the lid 2 and the installing hole
Coordinate for the flexible liner 3 that is enclosed within second rotating shaft.
The shaft coupling that this utility model is provided is flexible by arranging in the installing hole that formed between curved portions 12 and lid 2
Bushing 3, then the shaft coupling can be used for connect with engaging tooth (helical teeth, straight-tooth or herringbone tooth etc.) the second rotating shaft, second turn
When axle is clamped between curved portions 12 and lid 2 by lid 2, the engaging tooth in the second rotating shaft can be bitten in flexible liner 3,
Thus indentation is formed on flexible liner 3 so that flexible liner holds the second rotating shaft tightly, so as to transmit power.This utility model is carried
For shaft coupling overturned the mode of traditional tooth engagement transmission power, without the need for arranging on shaft coupling and to be connected second
The engaging tooth of rotating shaft engagement, saving engaging tooth can reduce the complexity of design difficulty and processing technique, reduces cost.And this reality
With the shaft coupling wide accommodation of new offer, can be used to connect turning with various profiles of tooth such as helical teeth, straight-tooth, herringbone teeth
Axle, can also connect optical axis (transmitting power by the frictional force between flexible liner 3 and optical axis) certainly.Further, since the shaft coupling
Device passes through flexible liner 3 and shaft contacts, can greatly reduce the interference of noise at power connector.
The shaft coupling is particularly suited for device or equipment enters in the test system of action edge transmission, such as in the NVH of motor
In Performance Test System, dynamometer machine can be connected by the shaft coupling with testing of electric motors (one end dynamometer machine for connecting of shaft coupling turn
Axle, the rotating shaft of other end connecting test motor), the interference due to reducing noise at power connector can improve NVH performance tests
The effectiveness of data.And as the shaft coupling is by the way of lid 2 combines installation connecting shaft with curved portions 12, the diameter of axle it is suitable
Close scope relatively large, when testing of electric motors is changed, it is not necessary to redesign shaft coupling, improve the utilization rate of frock.
In addition, changing testing of electric motors (or during other test equipments) as flexible liner 3 is engaged from different teeth, then it is soft
Property bushing 3 inevitably occur damage, when flexible liner 3 is damaged, it is only necessary to change flexible liner 3, need not change whole
Individual shaft coupling, so as to can reduces cost.
Below by specific embodiment and combine accompanying drawing the technical solution of the utility model is described in detail.
In preferred implementation of the present utility model, as depicted in figs. 1 and 2, connecting main body 1 includes cylindrical body 11, uses
One end of the cylindrical body 11 is arranged in the attachment structure for connecting the first rotating shaft, the curved portions 12 are integrally formed in institute
State the other end of cylindrical body 11.
Here it should be noted that, it is described connection main body 1 be not limited to include the frame mode of cylindrical body 11, for example, can set
The block entity structure of meter replaces cylindrical body 11, and so, one end of the entity structure is fixed with curved portions 12, and the other end is provided with
The attachment structure (such as ring flange) of connection first rotating shaft, as long as by curved portions 12 and 2 clamping rotating shaft of lid and wherein
The shaft coupling for arranging flexible liner 3 belongs to protection domain of the present utility model.
In present embodiment, the structure of the flexible liner 3 arranged between curved portions 12 and lid 2 is as shown in figure 4, excellent
Selection of land, is formed with from one end the opening 31 axially extended to the other end in the side of the flexible liner 3, can so cause flexibility
Bushing 3 can open and change its internal diameter, conveniently be enclosed within axle to be connected.
The flexible liner 3 can select rigidity, wearability, fatigue durability, creep resistant, resistance to impact, corrosion resistance, resistance to
The excellent material of high temperature sex expression.Preferably, the flexible liner 3 adopts POM (polyformaldehyde, polyformaldehyde), Buddhist nun
The flexible material such as dragon 66, PA (polyamide, polyamide) or polytetrafluoro is made.
In present embodiment, it is preferable that in one of outside of the inner side of the curved portions 12 and the flexible liner 3
On be provided with lobe 121, be formed with another one with the lobe 121 coordinate groove 32.Specifically such as Fig. 2 and Fig. 4 institutes
Show, present embodiment is lobe 121 to be arranged in the inner side of curved portions 12, groove 32 is set on flexible liner 3.By described
Lobe 121 and groove 32 coordinate, and can cause shaft coupling that torque is passed to connected rotating shaft by flexible liner 3.It is preferred that
Ground, the lobe 121 and groove 32 axially extend setting, are more beneficial for the transmission of torque.
In present embodiment, it is preferable that the lid 2 is fixedly connected with curved portions 12 by bolt.Concrete such as Fig. 2 and Tu
Described in 3, the both sides relative to axis of curved portions 12 are respectively arranged with the first bolt hole 122, and the both sides of the lid 2 set respectively
Being equipped with and corresponding second bolt hole 21 being distinguished with first bolt hole 122, the bolt passes through 122 He of the first bolt hole
Second bolt hole 21 connects.So, by bolt pretightening banding flexible liner 3, flexible liner 3 passes through opening to lid 2
The rotating shaft connected by the size and then banding of 31 change internal diameters.The increasing of bolt pretightening and the thickness of flexible liner 3 can be certainly
Determine the degree that rotating shaft bites into flexible liner 3, so as to determine peak torque that the shaft coupling can be transmitted.
In addition, in present embodiment, it is preferable that the attachment structure for connecting first rotating shaft is in the cylindrical body
The ring flange 13 that 11 end is arranged, is provided with multiple bolts hole on the ring flange 13.The ring flange 13 can with to be connected
First rotating shaft on the structure connection such as the ring flange that arranges and realize being indirectly connected with first rotating shaft.
Certainly, the attachment structure for connecting first rotating shaft is not limited to the version using ring flange 13, example
As also internal spline (or external splines) can be arranged in connection main body 1, by internal spline (or external splines) and first rotating shaft
External splines (or internal spline) coordinates to realize being directly connected to for the shaft coupling and first rotating shaft.
According to another aspect of the present utility model, a kind of test system is also provided, the test system is included with first turn
The dynamometer machine of axle and the tested device with the second rotating shaft, the test system also include shaft coupling as above, the survey
The first rotating shaft of work(machine is connected with the attachment structure of the shaft coupling, and second rotating shaft of the tested device is connected to
In the installing hole that the curved portions 12 and the lid 2 are formed.
The tested device can be motor, change speed gear box or electromotor etc., it is preferable that described second turn of the tested device
Helical teeth, straight-tooth or human-like tooth are provided with axle.
The test system that this utility model is provided, by adopting shaft coupling as above, can reduces cost, Er Qieti
The high utilization rate of frock, and the interference of noise at power connector is greatly reduced in performance test, make NVH test performance numbers
According to more effectiveness.
The foregoing is only better embodiment of the present utility model, not to limit this utility model, it is all
Within spirit of the present utility model and principle, any modification, equivalent substitution and improvements made etc. should be included in this practicality new
Within the protection domain of type.
Claims (10)
1. a kind of shaft coupling, it is characterised in that the shaft coupling include connecting main body (1) and with connection main body (1) connection
Lid (2), one end of connection main body (1) is provided with for connecting the attachment structure of first rotating shaft, and the other end is provided with
Curved portions (12), the lid (2) and the curved portions (12) are cooperatively formed for being connected the installing hole of the second rotating shaft；
Wherein, it is provided with and the installing hole in the installing hole for being formed between the curved portions (12) and the lid (2)
Coordinate for the flexible liner (3) that is enclosed within second rotating shaft.
2. shaft coupling according to claim 1, it is characterised in that the side of the flexible liner (3) is formed with from one end edge
Axially extend to the opening (31) of the other end.
3. shaft coupling according to claim 1, it is characterised in that the inner side of the curved portions (12) and the flexible liner
(3) lobe (121) is provided with one of outside, is formed with another one recessed with what the lobe (121) coordinated
Groove (32).
4. shaft coupling according to claim 1, it is characterised in that the lid (2) is by bolt and the curved portions
(12) it is fixedly connected.
5. shaft coupling according to claim 4, it is characterised in that the both sides relative to axis of the curved portions (12) point
First bolt hole (122) is not provided with, the both sides of the lid (2) are respectively arranged with first bolt hole (122) respectively
Corresponding second bolt hole (21), the bolt passes through first bolt hole (122) and second bolt hole (21) connects.
6. the shaft coupling according to any one in claim 1-5, it is characterised in that the connection main body (1) is including cylinder
Shape body (11), the attachment structure for connecting the first rotating shaft are arranged on one end of the cylindrical body (11), the arc
Shape portion (12) is integrally formed the other end in the cylindrical body (11).
7. shaft coupling according to claim 6, it is characterised in that for connecting the attachment structure of the first rotating shaft
It is the ring flange with multiple bolts hole (13) arranged in the end of the cylindrical body (11).
8. a kind of test system, including the dynamometer machine with first rotating shaft and the tested device with the second rotating shaft, its feature exists
Also include the shaft coupling according to any one in claim 1-7 in, the test system, described the of the dynamometer machine
One rotating shaft is connected with the attachment structure of the shaft coupling, and second rotating shaft of the tested device is connected to the arc
In the installing hole that portion (12) and the lid (2) are formed.
9. test system according to claim 8, it is characterised in that arrange in second rotating shaft of the tested device
There are helical teeth, straight-tooth or human-like tooth.
10. test system according to claim 8, it is characterised in that the tested device is motor, change speed gear box or starts
Machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621194873.1U CN206129915U (en) | 2016-10-28 | 2016-10-28 | Shaft coupling and test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621194873.1U CN206129915U (en) | 2016-10-28 | 2016-10-28 | Shaft coupling and test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206129915U true CN206129915U (en) | 2017-04-26 |
Family
ID=58578661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621194873.1U Expired - Fee Related CN206129915U (en) | 2016-10-28 | 2016-10-28 | Shaft coupling and test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206129915U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108593164A (en) * | 2018-06-14 | 2018-09-28 | 北京世通科创技术有限公司 | A kind of torque sensing device assembly and the method for measuring torque |
-
2016
- 2016-10-28 CN CN201621194873.1U patent/CN206129915U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108593164A (en) * | 2018-06-14 | 2018-09-28 | 北京世通科创技术有限公司 | A kind of torque sensing device assembly and the method for measuring torque |
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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: 20170426 Termination date: 20211028 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |