CN210834162U - Crankshaft chain calibration device - Google Patents
Crankshaft chain calibration device Download PDFInfo
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- CN210834162U CN210834162U CN201921495059.7U CN201921495059U CN210834162U CN 210834162 U CN210834162 U CN 210834162U CN 201921495059 U CN201921495059 U CN 201921495059U CN 210834162 U CN210834162 U CN 210834162U
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- chain
- sprocket
- calibration device
- crankshaft
- strain
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Abstract
The utility model discloses a crankshaft chain calibration device, crankshaft chain calibration device includes: the tension meter comprises a base, a chain and a tension meter, wherein a chain wheel is arranged on the base; one end of the chain is meshed with the chain wheel; the tension meter is arranged at the other end of the chain and is suitable for tensioning the chain and collecting tension F; the chain wheel is provided with a strain gauge, and the strain gauge is suitable for acquiring strain voltage L of a bridge circuit where the strain gauge is located so as to calibrate a proportional relation K between torque N of the chain wheel and the strain voltage L. Therefore, the chain can be quickly detected, so that the chain can be detected more quickly and conveniently; on the other hand, the chain which is put into the market meets the allowable requirement, the chain is prevented from being broken in the using process, and the same service life of the chain and the engine is ensured.
Description
Technical Field
The utility model belongs to the technical field of the measuring tool technique and specifically relates to a crankshaft chain calibration device is related to.
Background
In the related art, a chain in a timing chain system requires the same life as an engine. The chain is not allowed to break, severely abrade and other faults in the normal work of the engine. Furthermore, a maximum allowable stress of the timing chain can be rapidly detected, so that the timing chain which is delivered from a factory is detected, the use safety of later-stage engine products and the service life of the timing chain are ensured, and the timing chain is prevented from being broken in the working process.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide a crankshaft chain calibration device, crankshaft chain calibration device can convert out the biggest allowable atress of chain fast, and the convenience is to the quality testing of chain.
According to the utility model discloses crankshaft chain calibration device includes: the tension meter comprises a base, a chain and a tension meter, wherein a chain wheel is arranged on the base; one end of the chain is meshed with the chain wheel; the tension meter is arranged at the other end of the chain and is suitable for tensioning the chain and collecting tension F; the chain wheel is provided with a strain gauge, and the strain gauge is suitable for acquiring strain voltage L of a bridge circuit where the strain gauge is located so as to calibrate a proportional relation K between torque N of the chain wheel and the strain voltage L.
According to the utility model discloses bent axle chain calibration device, through fixing the sprocket on the base and by the chain of tensiometer pulling, simulate out the working process of chain and sprocket, and then gather above-mentioned proportional relation K to convert out the biggest atress of chain according to above-mentioned proportional relation K, compare the biggest atress of allowwing with this type chain with the biggest atress of allowwing, whether satisfy the requirement of allowwing with judging this chain. Therefore, the chain can be quickly detected, so that the chain can be detected more quickly and conveniently; on the other hand, the chain which is put into the market meets the allowable requirement, the chain is prevented from being broken in the using process, and the same service life of the chain and the engine is ensured.
According to some embodiments of the invention, the chain comprises: the meshing section and with the tight limit section that the meshing section is connected, tight limit section with the tensiometer is connected, the meshing section with the chain meshing.
In some embodiments, the chain further comprises: the one end of pine limit section with tight limit section is connected, the other end of pine limit section with the meshing section is connected.
Further, the tight side section is tangent to the sprocket.
Optionally, the strain gage is disposed on a root surface of the sprocket.
Further, the chain is configured as a double-row roller chain, the chain wheel is configured as a double-tooth chain wheel, and the strain gauge is arranged between the first tooth and the second tooth of the chain wheel.
Furthermore, the number of the strain gauges is multiple, and the plurality of strain gauges are arranged on the chain wheel at equal angular intervals.
In some embodiments, the base comprises: the chain wheel comprises a base and a fixing part, wherein one end of the fixing part is connected with the base, and the other end of the fixing part is connected with the chain wheel.
According to the utility model discloses a some embodiments, bent axle chain calibration device still includes: a hoist connected with the tension meter, the hoist adapted to pull the tension meter.
Further, the crane selectively drives the tension meter and the chain to move.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic diagram of a crankshaft chain calibration device according to an embodiment of the present invention;
fig. 2 is a schematic view of an angle of a sprocket of a crankshaft chain calibration device according to an embodiment of the present invention;
fig. 3 is a schematic view of another angle of the sprocket of the crankshaft chain calibration device according to the embodiment of the present invention.
Reference numerals:
the crankshaft chain calibration device 100 is provided with a crankshaft,
a base 10, a base 11, a fixing part 12,
a chain 20, a tight side section 21, a loose side section 22,
the tension meter (30) is provided with a tension meter,
the strain gauge(s) 40 are,
a crane 60.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
A crankshaft chain calibration device 100 according to an embodiment of the present invention is described below with reference to fig. 1 to 3.
As shown in fig. 1, the crankshaft chain calibration apparatus 100 according to the embodiment of the present invention includes: the tension meter comprises a base 10, a chain 20 and a tension meter 30, wherein a chain wheel 50 is arranged on the base 10; one end of the chain 20 engages with the sprocket 50; the tension meter 30 is arranged at the other end of the chain 20 and is suitable for tensioning the chain 20 and collecting tension force F; the sprocket 50 is provided with a strain gauge 40, and the strain gauge 40 is suitable for acquiring a strain voltage L of a bridge circuit where the strain gauge 40 is located so as to calibrate a proportional relation K between a torque N and the strain voltage L of the sprocket 50.
Specifically, the sprocket 50 is fixed to the base 10, the sprocket 50 is not rotatable relative to the base 10, at least a part of the chain 20 is engaged with the sprocket 50, the chain 20 is pulled close to the chain 20 by the tension meter 30, and the tension indicator F of the tension meter 30 and the strain voltage L of the strain gauge 40 are acquired by a voltage change after the strain gauge 40 provided on the sprocket 50 is pressed while the chain 20 is pulled tight, and the proportional relationship K between the torque N and the strain voltage L is determined by determining the torque N from the radius r of the sprocket 50 and the tension meter 30F and by determining the ratio between the torque N and the strain voltage L.
Further, the maximum force applied to the chain 20 to be measured is converted by referring to the proportional relationship.
The strain voltage L is a voltage change that is applied to the strain gauge 40 as the resistance thereof gradually increases or decreases while the strain gauge 40 is being pressed, and the initial applied voltage is V, the voltage change value is mv, and the strain is mv/V.
According to the utility model discloses crankshaft chain calibration device 100, through fixing sprocket 50 on base 10 and the chain 20 by the pulling of tensiometer 30, simulate out the working process of chain 20 and sprocket 50, and then gather above-mentioned proportional relation K to convert out the biggest atress of chain 20 according to above-mentioned proportional relation K, compare the biggest atress with the biggest allowable atress of this type chain 20, whether satisfy allowable requirement (whether satisfy sprocket 50's operation requirement promptly) with this chain 20 with judging. Therefore, the chain 20 can be quickly detected, so that the chain 20 can be detected more quickly and conveniently; on the other hand, the chain 20 put on the market meets the allowable requirement, the chain 20 is prevented from being broken in the using process, and the same service life of the chain 20 and the engine is ensured.
According to some embodiments of the present invention, the chain 20 comprises: meshing section, slack side section 22 and the tight side section 21 of being connected with the meshing section, tight side section 21 is connected with tensiometer 30, and the meshing section meshes with chain 20, and the one end and the tight side section 21 of slack side section 22 are connected, and the other end and the meshing section of slack side section 22 are connected, and tight side section 21 is tangent with sprocket 50. Therefore, the working environment of the chain 20 in the crankshaft chain calibration device 100 of the embodiment is closer to the actual working environment, so that the measured data is closer to the stress value under the working condition, and the measurement accuracy is improved.
Alternatively, the strain gage 40 is disposed on the root surface of the sprocket 50. Thereby, the strain gauge 40 is pressed during engagement of the chain 20 with the sprocket 50.
As shown in fig. 2 and 3, the chain 20 is configured as a double-row roller chain, the sprocket 50 is configured as a double-tooth sprocket, and the strain gauge 40 is disposed between the first tooth 51 and the second tooth 52 of the sprocket 50. The number of the strain gauges 40 is plural, and the plurality of strain gauges 40 are provided on the sprocket 50 at equal angular intervals. Thereby, the strain at a plurality of positions of the chain 20 can be measured, so that the measurement result is more accurate and reliable.
Of course, the present invention is not limited to the structure of the chain 20 and the sprocket 50, and in other embodiments, the sprocket 50 is configured as a single-tooth sprocket, the chain 20 is configured as a single-row roller chain, and the strain gauge 40 is disposed in the gap between two adjacent teeth of the single-tooth sprocket, and can also be calibrated by the crankshaft chain calibration apparatus of the present embodiment.
Preferably, four strain gauges 40 are provided, and the four strain gauges 40 are provided on the sprocket 50 at 90 ° angular intervals.
As shown in fig. 1, the base 10 includes: the base 11 and the fixed part 12, one end of the fixed part 12 is connected with the base 11, and the other end of the fixed part 12 is connected with the chain wheel 50. Thereby, the sprocket 50 is more stably and reliably fixed to the base 10.
In the specific embodiment shown in fig. 1, the crankshaft chain calibration apparatus 100 further includes: a hoist 60, the hoist 60 being connected to the tension gauge 30, the hoist 60 being adapted to pull the tension gauge 30, and the hoist 60 selectively moving the tension gauge 30 and the chain 20. Therefore, in the measuring process, the crane 60 can provide pulling force, and after the measurement is finished or in the measurement preparation work, the crane 60 can be used for transferring the chain 20, so that the measurement is convenient, meanwhile, the labor intensity of an operator can be reduced, and the labor injury is avoided.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features.
In the description of the present invention, "a plurality" means two or more.
In the description of the present invention, the first feature "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween.
In the description of the invention, the first feature being "on", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. The utility model provides a crankshaft chain calibration device which characterized in that includes:
the chain wheel is arranged on the base;
a chain, one end of which is engaged with the sprocket;
the tension meter is arranged at the other end of the chain and is suitable for tensioning the chain and collecting tension F; wherein
The chain wheel is provided with a strain gauge, and the strain gauge is suitable for acquiring strain voltage L of a bridge circuit where the strain gauge is located so as to calibrate a proportional relation K between torque N of the chain wheel and the strain voltage L.
2. The crankshaft chain calibration device as claimed in claim 1, wherein the chain comprises: the meshing section and with the tight limit section that the meshing section is connected, tight limit section with the tensiometer is connected, the meshing section with the chain meshing.
3. The crankshaft chain calibration device as claimed in claim 2, wherein the chain further comprises: the one end of pine limit section with tight limit section is connected, the other end of pine limit section with the meshing section is connected.
4. The crankshaft chain calibration device as claimed in claim 2, wherein the tight side section is tangent to the sprocket.
5. The apparatus as claimed in claim 1, wherein the strain gauge is disposed on a tooth root surface of the sprocket.
6. The crankshaft chain calibration device of claim 5, wherein the chain is configured as a double row roller chain, the sprocket is configured as a double-tooth sprocket, and the strain gauge is disposed between the first tooth and the second tooth of the sprocket.
7. The crankshaft chain calibration device as claimed in claim 6, wherein the number of the strain gauges is plural, and the plural strain gauges are arranged on the sprocket at equal angular intervals.
8. The crankshaft chain calibration device as claimed in claim 1, wherein the base comprises: the chain wheel comprises a base and a fixing part, wherein one end of the fixing part is connected with the base, and the other end of the fixing part is connected with the chain wheel.
9. The crankshaft chain calibration device as claimed in claim 1, further comprising: a hoist connected with the tension meter, the hoist adapted to pull the tension meter.
10. The apparatus of claim 9, wherein the crane selectively moves the tension gauge and the chain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921495059.7U CN210834162U (en) | 2019-09-06 | 2019-09-06 | Crankshaft chain calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921495059.7U CN210834162U (en) | 2019-09-06 | 2019-09-06 | Crankshaft chain calibration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210834162U true CN210834162U (en) | 2020-06-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921495059.7U Expired - Fee Related CN210834162U (en) | 2019-09-06 | 2019-09-06 | Crankshaft chain calibration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210834162U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022242160A1 (en) * | 2021-05-20 | 2022-11-24 | 中国第一汽车股份有限公司 | Transfer case assembly clutch axial pressure calibration apparatus and calibration method thereof |
-
2019
- 2019-09-06 CN CN201921495059.7U patent/CN210834162U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022242160A1 (en) * | 2021-05-20 | 2022-11-24 | 中国第一汽车股份有限公司 | Transfer case assembly clutch axial pressure calibration apparatus and calibration method thereof |
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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: 20200623 Termination date: 20210906 |