CN206387523U - The torque-measuring apparatus of engine cam - Google Patents
The torque-measuring apparatus of engine cam Download PDFInfo
- Publication number
- CN206387523U CN206387523U CN201720094934.5U CN201720094934U CN206387523U CN 206387523 U CN206387523 U CN 206387523U CN 201720094934 U CN201720094934 U CN 201720094934U CN 206387523 U CN206387523 U CN 206387523U
- Authority
- CN
- China
- Prior art keywords
- camshaft
- measurement
- hole
- radial direction
- coil
- 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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Abstract
The utility model discloses a kind of torque-measuring apparatus of engine cam, including：Measurement camshaft, between the gear shaft terminal of the measurement camshaft and the first cam be provided with radial direction through hole, measurement camshaft from gear shaft terminal to radial direction through hole at be provided with axial bore；Camshaft stand, it is used for installing measurement camshaft, and measurement camshaft can rotate on camshaft stand；Resistance strain gage, it is sticked at radial direction through hole；Induction coil, it includes：Transmitting coil, it is fixed on gear shaft terminal, and transmitting coil is electrically connected by wire through axial bore and radial direction through hole with resistance strain gage；And receiving coil, its vicinity just to being arranged on transmitting coil；And receiver, it is electrically connected with receiving coil, and receiver receives the electric signal that resistance strain gage is sent by induction coil.The device can measure the moment of torsion of camshaft in the case where camshaft rotates.
Description
Technical field
The utility model, which is related to engine, to be designed and developed, more particularly to a kind of torque-measuring apparatus of engine cam.
Background technology
At present, in engines distribution cam axle and travelling gear design it should be understood that its moment of torsion for bearing and driving force,
Drawn according to material by theoretical calculation, its accuracy can not be protected.If measured using measuring method, existing
Have in technology, the method for measurement engine torque is generally to be measured using dynamometer machine known to the moment of torsion that engine terminus is exported, for
Just extremely difficult during the moment of torsion that the parts of measurement engine interior are born, camshaft is exactly one of those, and engine is in fortune
In row, camshaft is rotating, it is impossible to which the data transfer of measurement is come out.
The information for being disclosed in the background section is merely intended to increase the understanding to general background of the present utility model, and
It is not construed as recognizing or implies that the information structure has been existing well known to persons skilled in the art in any form
Technology.
Utility model content
The purpose of this utility model is to provide a kind of torque-measuring apparatus of engine cam, rotated in camshaft
In the case of can measure the moment of torsion of camshaft.
To achieve the above object, the utility model provides a kind of torque-measuring apparatus of engine cam, including：Survey
Amount camshaft, between the gear shaft terminal of the measurement camshaft and the first cam be provided with radial direction through hole, measurement camshaft from
Axial bore is provided with gear shaft terminal to radial direction through hole；Camshaft stand, it is used for installing measurement camshaft, measurement cam
Axle can rotate on camshaft stand；Resistance strain gage, it is sticked at radial direction through hole；Induction coil, it includes：Emission lines
Circle, it is fixed on gear shaft terminal, and transmitting coil is electrically connected by wire through axial bore and radial direction through hole with resistance strain gage；
And receiving coil, its vicinity just to being arranged on transmitting coil；And receiver, it is electrically connected with receiving coil, receiver
The electric signal that resistance strain gage is sent is received by induction coil.
Preferably, camshaft stand includes camshaft after-poppet and camshaft fore-stock, and measurement camshaft passes through bearing
On camshaft after-poppet and camshaft fore-stock.
Compared with prior art, the utility model has the advantages that：Camshaft can be simulated in actual use
In the case of measure its moment of torsion, with long-term work and reuse, the advantage of camshaft actuated torque can be accurately measured out, be convex
Wheel shaft, the Design and optimization of drive gear and check provide accurate parameter.
Brief description of the drawings
Fig. 1 is the instrumentation plan of the torque-measuring apparatus according to engine cam of the present utility model.
Embodiment
Below in conjunction with the accompanying drawings, embodiment of the present utility model is described in detail, it is to be understood that this practicality
New protection domain is not limited by embodiment.
Explicitly indicated that unless otherwise other, otherwise in entire disclosure and claims, term " comprising " or its change
Change such as "comprising" or " including " etc. and will be understood to comprise stated element or part, and do not exclude other members
Part or other parts.
As shown in figure 1, according to a kind of torque-measuring apparatus of engine cam of the utility model embodiment,
Including measurement camshaft 2, camshaft stand (Isosorbide-5-Nitrae), resistance strain gage 3, induction coil and receiver 7, the wherein line of induction
Circle includes transmitting coil 5 and receiving coil 6, and the measurement is provided with radially between the gear shaft terminal and the first cam of camshaft 2
Through hole, measurement with camshaft 2 from gear shaft terminal to radial direction through hole at be provided with axial bore, camshaft stand (Isosorbide-5-Nitrae) be used for install
Measurement camshaft 2, measurement camshaft 2 can rotate on camshaft stand (Isosorbide-5-Nitrae), and resistance strain gage 3 is sticked radially
Through hole, transmitting coil 5 is fixed on gear shaft terminal, and transmitting coil 5 passes through axial bore and radial direction through hole and resistance by wire
Foil gauge 3 is electrically connected, and receiving coil 6 is just to the vicinity for being arranged on transmitting coil 5, and receiver 7 is electrically connected with receiving coil 6, connect
Receipts machine 7 receives the electric signal that resistance strain gage 3 is sent, transmitting coil 5 by the sensing between transmitting coil 5 and receiving coil 6
With receiving coil 6 both without contact physically, launched by sensing and receive signal, when measurement camshaft 2 rotates
When, measurement is with camshaft 2 because stress produces strain, and produced dependent variable is equal with the dependent variable of camshaft 2 with measuring, and passes through
Receiver 7, which handles, calculate reception signal (resistance strain gage 3 in response to become occur resistance variations and export electric signal) obtains moment of torsion
Measured value.
As a kind of preferred embodiment, camshaft stand includes camshaft after-poppet 1 and camshaft fore-stock 4, and measurement is used
Camshaft 2 is arranged on camshaft after-poppet 1 and camshaft fore-stock 4 by bearing.
To sum up, the torque-measuring apparatus of the engine cam of the present embodiment, can simulate camshaft in actual use
In the case of measure its moment of torsion, with long-term work and reuse, the advantage of camshaft actuated torque can be accurately measured out, be convex
Wheel shaft, the Design and optimization of drive gear and check provide accurate parameter.
The foregoing description to specific illustrative embodiment of the present utility model be in order to illustrate and illustration purpose.These
Description is not wishing to being defined to the utility model into disclosed precise forms, and it will be apparent that according to above-mentioned teaching, can carry out
It is many to change and change.The purpose of selecting and describing the exemplary embodiment is that explaining certain principles of the present utility model
And its practical application, so that those skilled in the art can realize and utilize a variety of examples of the present utility model
Property embodiment and a variety of selections and change.Scope of the present utility model is intended to by claims and its waits similar shape
Formula is limited.
Claims (2)
1. a kind of torque-measuring apparatus of engine cam, it is characterised in that including：
Measurement camshaft, is provided with radial direction through hole, the measurement between the gear shaft terminal of the measurement camshaft and the first cam
With camshaft from the gear shaft terminal to the radial direction through hole at be provided with axial bore；
Camshaft stand, it is used for installing the measurement camshaft, and the measurement camshaft can be in the camshaft branch
Rotated on frame；
Resistance strain gage, it is sticked at the radial direction through hole；
Induction coil, it includes：
Transmitting coil, it is fixed on the gear shaft terminal, and the transmitting coil passes through the axial bore and described by wire
Radial direction through hole is electrically connected with the resistance strain gage；And
Receiving coil, its vicinity just to being arranged on the transmitting coil；And
Receiver, it is electrically connected with the receiving coil, and the receiver receives the resistance-strain by the induction coil
The electric signal that piece is sent.
2. the torque-measuring apparatus of engine cam according to claim 1, it is characterised in that the camshaft stand
Including camshaft after-poppet and camshaft fore-stock, the measurement camshaft is arranged on the camshaft after-poppet by bearing
On the camshaft fore-stock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720094934.5U CN206387523U (en) | 2017-01-25 | 2017-01-25 | The torque-measuring apparatus of engine cam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720094934.5U CN206387523U (en) | 2017-01-25 | 2017-01-25 | The torque-measuring apparatus of engine cam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206387523U true CN206387523U (en) | 2017-08-08 |
Family
ID=59494050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720094934.5U Expired - Fee Related CN206387523U (en) | 2017-01-25 | 2017-01-25 | The torque-measuring apparatus of engine cam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206387523U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110595654A (en) * | 2019-10-16 | 2019-12-20 | 南京高速齿轮制造有限公司 | Online monitoring device for torque of output shaft of gear box |
-
2017
- 2017-01-25 CN CN201720094934.5U patent/CN206387523U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110595654A (en) * | 2019-10-16 | 2019-12-20 | 南京高速齿轮制造有限公司 | Online monitoring device for torque of output shaft of gear box |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170808 Termination date: 20220125 |