CN205449359U - Camshaft drive moment calibration device - Google Patents
Camshaft drive moment calibration device Download PDFInfo
- Publication number
- CN205449359U CN205449359U CN201620295903.1U CN201620295903U CN205449359U CN 205449359 U CN205449359 U CN 205449359U CN 201620295903 U CN201620295903 U CN 201620295903U CN 205449359 U CN205449359 U CN 205449359U
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- camshaft
- moment
- caliberating device
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Abstract
The utility model discloses a camshaft drive moment calibration device, it contains: dish, foil gage and strain amplifier are hung to support, arm of force pole, weight. The support is used for supporting and the stationary cam axle. Arm of force pole one end is fixed in the camshaft. The weight is hung the dish and is connected in the other end of arm of force pole for place the weight, give camshaft loading moment. The foil gage is firm paste the cam axle journal on the surface, through the different moment of the actual load of camshaft, the different dependent variables of foil gage production. Strain amplifier passes through the wire and connects in the foil gage, convert the dependent variable of foil gage into different voltage value output, and the voltmeter is connected to strain amplifier's output. Therefore, the utility model discloses a camshaft drive moment calibration device, the driving moment that can more accurate test out the camshaft.
Description
Technical field
This utility model relates to camshaft actuated power field tests, particularly to a kind of camshaft actuated moment caliberating device.
Background technology
Measure distribution cam axle or fuel injection camshaft the most on the engine typically by pasting foil gauge on camshaft, as the cam shaft rotates, camshaft produces strain because of stress, and foil gauge is firmly attached on camshaft journal surface, and produced dependent variable is equal with the dependent variable of camshaft.The dependent variable obtained according to measurement is multiplied by the elastic modelling quantity of camshaft material, i.e. obtains driving moment.
Prior art surveys the method for camshaft actuated moment, because the elastic modelling quantity of camshaft material is to look into the empirical value that Materials Handbook obtains, so obtained driving moment is also a big probable value, is not exact value.
The information being disclosed in this background section is merely intended to increase the understanding to general background of the present utility model, and is not construed as recognizing or imply in any form this information structure prior art well known to persons skilled in the art.
Utility model content
The purpose of this utility model is to provide a kind of camshaft actuated moment caliberating device, has the advantage that can more precisely test out camshaft actuated moment, and Design and optimization and check for camshaft drive gear provide and calculate parameter accurately.
For achieving the above object, this utility model provides a kind of camshaft actuated moment caliberating device, and it comprises: bearing, arm bar, counterweight extension dish, foil gauge and strain amplifier.Bearing is in order to support and to fix camshaft.Camshaft is fixed in arm bar one end.Counterweight extension dish is connected to the other end of arm bar, is used for placing counterweight, to camshaft loading moment.Foil gauge is firmly attached on cam journal surface, and by the moment that camshaft actual loaded is different, foil gauge produces differently strained amount.Strain amplifier is connected to foil gauge by wire, and the dependent variable of foil gauge is converted to different magnitude of voltage output, and the outfan of strain amplifier connects voltmeter.
Preferably, in technique scheme, bearing also comprises base plate, fore-stock and after-poppet.Fore-stock is fixed on the side of base plate, and after-poppet is fixed on the opposite side of base plate.Wherein, camshaft two ends are respectively arranged on fore-stock and after-poppet.
Preferably, in technique scheme, bearing also comprises fore-stock lid, and it tightens on fore-stock by bolt, in order to make camshaft not rotate.
Preferably, in technique scheme, bearing also comprises after-poppet lid, and it tightens on after-poppet by bolt, in order to make camshaft not rotate.
Preferably, in technique scheme, arm bar locking nut is fixed on camshaft.
Compared with prior art, this utility model has the advantages that camshaft actuated moment caliberating device of the present utility model, having the advantage that can more precisely test out camshaft actuated moment, Design and optimization and check for camshaft drive gear provide and calculate parameter accurately.
Accompanying drawing explanation
Fig. 1 is the schematic top plan view according to camshaft actuated moment caliberating device of the present utility model.
Fig. 2 is the schematic front view according to camshaft actuated moment caliberating device of the present utility model.
Fig. 3 is the nominal data figure of certain type according to camshaft actuated moment caliberating device of the present utility model.
Fig. 4 is the loading moment linear relationship chart with output voltage of certain type according to camshaft actuated moment caliberating device of the present utility model.
Main Reference Numerals illustrates:
1-after-poppet lid, 2-after-poppet, 3-camshaft, 4-fore-stock lid, 5-foil gauge, 6-counterweight, 7-arm bar, 8-locking nut, 9-wire, 10-voltmeter, 11-strain amplifier, 12-fore-stock, 13-counterweight extension dish, 14-bolt, 15-base plate.
Detailed description of the invention
Below in conjunction with the accompanying drawings, detailed description of the invention of the present utility model is described in detail, it is to be understood that protection domain of the present utility model is not limited by detailed description of the invention.
Explicitly indicate that unless otherwise other, otherwise in entire disclosure and claims, term " includes " or its conversion such as " comprising " or " including " etc. will be understood to comprise stated element or ingredient, and does not get rid of other element or other ingredient.
As shown in Figures 1 to 4, according to a kind of camshaft actuated moment caliberating device of this utility model detailed description of the invention, it comprises: bearing, arm bar 7, counterweight extension dish 13, foil gauge 5 and strain amplifier 11.Bearing is in order to support and to fix camshaft 3.Camshaft 3 is fixed in arm bar 7 one end.Counterweight extension dish 13 is connected to the other end of arm bar 7, is used for placing counterweight 6, to camshaft 3 loading moment.Foil gauge 5 is firmly attached on camshaft 3 neck surface, and by the moment that camshaft 3 actual loaded is different, foil gauge 5 produces differently strained amount.Strain amplifier 11 is connected to foil gauge 5 by wire, and the dependent variable of foil gauge 5 is converted to different magnitude of voltage output, and the outfan of strain amplifier 11 connects voltmeter.
Preferably, bearing also comprises: base plate 15, fore-stock 12 and after-poppet 2.Fore-stock 12 is fixed on the side of base plate 15；After-poppet 2 is fixed on the opposite side of base plate 15；Wherein camshaft 3 two ends are respectively arranged on fore-stock 12 and after-poppet 2.
Preferably, bearing also comprises fore-stock lid 4, and it tightens on fore-stock 12 by bolt, in order to make camshaft 3 not rotate.
Preferably, bearing also comprises after-poppet lid 1, and it tightens on after-poppet 2 by bolt, in order to make camshaft 3 not rotate.
Preferably, arm bar 7 locking nut 8 is fixed on camshaft 3.
By the moment that camshaft 3 actual loaded is different, foil gauge 5 produces differently strained amount, be converted to different magnitudes of voltage by the dependent variable of 11 foil gauges 5 of strain amplifier export, thus obtain the loading moment of reality and the linear relationship of output voltage, when threst stand measures camshaft 3 driving moment, collect the output voltage of strain amplifier 11 with data acquisition equipment, according to the linear relationship of loading moment Yu output voltage, conversion obtains the driving moment of reality.
In a word, camshaft actuated moment caliberating device of the present utility model, there is the advantage that can more precisely test out camshaft actuated moment, Design and optimization and check for camshaft drive gear provide and calculate parameter accurately.
The aforementioned description to specific illustrative embodiment of the present utility model illustrates that and the purpose of illustration.These descriptions are not wishing to be defined to this utility model disclosed precise forms, and it will be apparent that according to above-mentioned teaching, can much change and change.The purpose selected exemplary embodiment and describe is to explain certain principles of the present utility model and actual application thereof, so that those skilled in the art is capable of and utilizes various different exemplary of the present utility model and various different selection and change.Scope of the present utility model is intended to be limited by claims and equivalents thereof.
Claims (5)
1. a camshaft actuated moment caliberating device, in order to demarcate the moment of camshaft, it is characterised in that described camshaft actuated moment caliberating device comprises:
Bearing, it is in order to support and to fix camshaft；
Arm bar, described camshaft is fixed in its one end；
Counterweight extension dish, it is connected to the other end of described arm bar, is used for placing counterweight, to described camshaft loading moment；
Foil gauge, it is firmly attached on described cam journal surface, by the moment that described camshaft actual loaded is different, the described foil gauge differently strained amount of generation；And
Strain amplifier, it is connected to described foil gauge by wire, the dependent variable of described foil gauge is converted to different magnitude of voltage output, and the outfan of described strain amplifier connects voltmeter.
Camshaft actuated moment caliberating device the most according to claim 1, it is characterised in that described bearing comprises:
Base plate；
Fore-stock, it is fixed on the side of described base plate；
After-poppet, it is fixed on the opposite side of described base plate；
Wherein, described camshaft two ends are respectively arranged on described fore-stock and described after-poppet.
Camshaft actuated moment caliberating device the most according to claim 1, it is characterised in that described bearing also comprises fore-stock lid, it tightens on described fore-stock by bolt, in order to make described camshaft not rotate.
Camshaft actuated moment caliberating device the most according to claim 1, it is characterised in that described bearing also comprises after-poppet lid, it tightens in the rear on support by bolt, in order to make described camshaft not rotate.
Camshaft actuated moment caliberating device the most according to claim 1, it is characterised in that described arm bar locking nut is fixed on described camshaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620295903.1U CN205449359U (en) | 2016-04-11 | 2016-04-11 | Camshaft drive moment calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620295903.1U CN205449359U (en) | 2016-04-11 | 2016-04-11 | Camshaft drive moment calibration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205449359U true CN205449359U (en) | 2016-08-10 |
Family
ID=56606712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620295903.1U Expired - Fee Related CN205449359U (en) | 2016-04-11 | 2016-04-11 | Camshaft drive moment calibration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205449359U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105698990A (en) * | 2016-04-11 | 2016-06-22 | 广西玉柴机器股份有限公司 | Cam shaft driving moment calibrating device |
| CN107367383A (en) * | 2017-06-26 | 2017-11-21 | 厦门致杰智能科技有限公司 | A kind of device for measuring Intelligent toilet cover gear-box maximum power square |
-
2016
- 2016-04-11 CN CN201620295903.1U patent/CN205449359U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105698990A (en) * | 2016-04-11 | 2016-06-22 | 广西玉柴机器股份有限公司 | Cam shaft driving moment calibrating device |
| CN107367383A (en) * | 2017-06-26 | 2017-11-21 | 厦门致杰智能科技有限公司 | A kind of device for measuring Intelligent toilet cover gear-box maximum power square |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160810 Termination date: 20200411 |