CN207423422U - The measurement frock of rotary cultivator input torque - Google Patents
The measurement frock of rotary cultivator input torque Download PDFInfo
- Publication number
- CN207423422U CN207423422U CN201721667039.4U CN201721667039U CN207423422U CN 207423422 U CN207423422 U CN 207423422U CN 201721667039 U CN201721667039 U CN 201721667039U CN 207423422 U CN207423422 U CN 207423422U
- Authority
- CN
- China
- Prior art keywords
- measuring device
- wireless
- measurement
- transmission shaft
- strain measuring
- 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 measurement frock of rotary cultivator input torque, including：Transmission shaft；Wireless strain measuring device, is fixedly connected with transmission shaft, and wireless strain measuring device includes foil gauge, and foil gauge is close to transmission shaft arrangement, and foil gauge is used to measure the input torque on transmission shaft to obtain strain signal；And data recording equipment, it is communicated to connect with wireless strain measuring device, for receiving the measurement data of wireless strain measuring device.The measurement work structuring of the utility model is simple, small, and easy to carry, use cost is low；Since measurement frock completes whole online torque calibration calibration, high certainty of measurement before actually measuring；When vehicle tests rotary cultivator input torque, which can directly replace the former transmission shaft between the tractor and rotary cultivator for needing to test, and simple installation, versatility is high, high certainty of measurement.
Description
Technical field
The utility model belongs to vehicle test fixture technical field, is related to a kind of measurement frock of rotary cultivator input torque.
Background technology
Rotary cultivator is the agricultural machinery and implement that tractor is coordinated to be used, for being crushed to soil.It is actual to measure rotary cultivator
Operation torque demand (tractor motive power output shaft is input to the torque of rotary cultivator, hereinafter referred to as input torque) is for vehicle power
Matching, optimization operating speed and depth are significant.
The measurement method of the rotary cultivator input torque of the prior art is：1st, in tractor to the transmission shaft between rotary cultivator
Modified torque sensor on (hereinafter referred to as transmission shaft).2nd, foil gauge is pasted on transmission shaft, is connected by wireless device or slip ring
Foil gauge is connect, carrys out calculated torque further according to strain signal.
However, the prior art there are it is following the shortcomings that：1st, the cost by the way of the modified torque sensor on transmission shaft
Height, modification difficulty is big, and the volume for reequiping inter-axle shaft becomes larger, the problem of be easy to causeing movement interference and insufficient intensity, changes simultaneously
Weight increases after dress, not readily portable.2nd, by the way of foil gauge is pasted on transmission shaft, then height is required to patch location,
The influence of measurement accuracy easily driven axial wood matter and patch effect, it is complicated for operation, it is not easy to execute-in-place.
Therefore, the utility model is combined into an entirety by transmission shaft and wireless strain measuring device and carries out torque calibration
Calibration, it is a kind of simple in structure so as to obtain, it is quick for installation, it is easy to carry, measure accurate Torque Measuring System.
The information for being disclosed in the background section is merely intended to increase the understanding to the general background of the 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 measurement frock of rotary cultivator input torque, so as to overcome the prior art
The problem of.
To achieve the above object, the utility model provides a kind of measurement frock of rotary cultivator input torque, the measurement work
Dress includes：Transmission shaft；Wireless strain measuring device, is fixedly connected with transmission shaft, and wireless strain measuring device includes foil gauge,
Foil gauge is close to transmission shaft arrangement, and foil gauge is used to measure the input torque on transmission shaft to obtain strain signal；And data
Recording device is communicated to connect with wireless strain measuring device, for receiving the measurement data of wireless strain measuring device.
Preferably, in above-mentioned technical proposal, wireless strain measuring device further includes：Strain signal processing chip, wireless string
Mouth sending module, wherein, strain signal processing chip is connected with foil gauge by conducting wire, and wireless serial sending module is built-in with day
Line, wireless strain measuring device are used for realizing the enhanced processing and wireless transmission of strain signal.
Preferably, in above-mentioned technical proposal, wireless strain measuring device further includes strain gauge means power supply, is used for giving
Wireless strain measuring device is powered.
Compared with prior art, the utility model has the advantages that：
Transmission shaft and strain gauge means are formed an organic whole by the measurement frock of the utility model, can direct generation
For torque sensor, the measurement frock is small, easy to carry, and using process without other consumptive materials, use cost is low；This practicality
The transmission shaft of new measurement frock completes whole online torque calibration before actually measuring with strain gauge means and calibrates, because
This high certainty of measurement；When vehicle tests rotary cultivator input torque, the measurement frock can directly replace need to test it is dilatory
Former transmission shaft between machine and rotary cultivator, simple installation, versatility is high, high certainty of measurement.
Description of the drawings
Fig. 1 is the structure diagram of the measurement frock of rotary cultivator input torque according to the present utility model；
Fig. 2 is the fundamental diagram of wireless strain measuring device according to the present utility model.
Main Reference Numerals explanation：
1- transmission shafts, 2- wireless strain measuring devices, 3- data recording equipments.
Specific embodiment
Below in conjunction with the accompanying drawings, specific embodiment of the present utility model is described in detail, it is to be understood that this practicality
New protection domain is not restricted by specific implementation.
Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " comprising " or its change
It changes such as "comprising" or " including " etc. and will be understood to comprise stated element or component, and do not exclude other members
Part or other components.
As shown in Figure 1, the measurement frock for the rotary cultivator input torque according to specific embodiment of the present invention.The survey
Amount frock includes：Transmission shaft 1, wireless strain measuring device 2 and data recording equipment 3.Wherein, wireless strain measuring device 2 with
Transmission shaft 1 is fixedly connected, so as to be combined into an entirety.Wireless strain measuring device 2 includes foil gauge, and foil gauge is close to pass
Moving axis 1 arranges, for measuring the input torque on transmission shaft 1 to obtain strain signal.Data recording equipment 3 is surveyed with wireless strain
Amount device 2 communicates to connect, for recording the measurement data of wireless strain measuring device 2.
Wireless strain measuring device 2 further includes：Strain signal processing chip, wireless serial sending module and strain measurement dress
Put power supply.Wherein, strain signal processing chip is connected with foil gauge by conducting wire, and wireless serial sending module is built-in with antenna,
Wireless strain measuring device is used for realizing the enhanced processing and wireless transmission of strain signal, the operation principle of strain gauge means 2
As shown in Figure 2.Strain gauge means power supply is used for powering to wireless strain measuring device 2.
Since transmission shaft 1 is standard component, generalization degree is high.Since wireless strain measuring device 2 and transmission shaft 1 are solid
The relative position relation of the foil gauge of fixed combination connection, transmission shaft 1 and wireless strain measuring device 2 has been completely fixed, therefore
Which is in practical application from the influence of patch location and transmission shaft material, and the input torque value of measurement is than traditional theory
The mode of calculating is more accurate.Data Data recording device 3 can read the measurement data of its reception by using computer.
The installation of the measurement frock of the utility model and the course of work are：
It is combined in transmission shaft 1 with wireless strain measuring device 2 after installation is complete and carries out on-line proving calibration first, so as to really
Determine the correspondence of strain signal and standard torque value.When vehicle tests rotary cultivator input torque, the survey after calibrating will be demarcated
Amount frock integrally replaces former transmission shaft to carry out the measurement of input torque, and measurement process is specially：Foil gauge measurement is strained
Signal, strain signal processing chip handle strain signal, compliance voltage signal are converted to serial digital signals, then
Wireless serial sending module sends the digital signal by built-in antenna, so as to fulfill the survey of wireless strain measuring device
The function of amount, strain signal enhanced processing and wireless transmission.On Data Data recording device 3 is received by way of wireless communication
The digital signal of measurement data is stated, and the measurement data of its reception is read by using computer, so as to accurately be surveyed
Test result.
The description of the foregoing specific exemplary embodiment to the utility model is in order to illustrate and illustration purpose.These
Description is not wishing to for the utility model to be defined to disclosed precise forms, and it will be apparent that according to the above instruction, can carry out
Many change and variations.The purpose of selecting and describing the exemplary embodiment is that explain the certain principles of the utility model
And its practical application, so that those skilled in the art can realize and utilize a variety of examples of the utility model
Property embodiment and various chooses and changes.The scope of the utility model is intended to by claims and its waits similar shapes
Formula is limited.
Claims (3)
1. a kind of measurement frock of rotary cultivator input torque, which is characterized in that the measurement frock includes：
Transmission shaft；
Wireless strain measuring device is fixedly connected with the transmission shaft, and the wireless strain measuring device includes foil gauge, institute
It states foil gauge and is close to the transmission shaft arrangement, the foil gauge is used to measure the input torque on the transmission shaft to be strained
Signal；And
Data recording equipment is communicated to connect with the wireless strain measuring device, for receiving the wireless strain measurement dress
The measurement data put.
2. measurement frock according to claim 1, which is characterized in that the wireless strain measuring device further includes：Strain
Signal processing chip, wireless serial sending module, wherein, the strain signal processing chip is connected with the foil gauge by conducting wire
It connects, the wireless serial sending module is built-in with antenna, and the wireless strain measuring device is used for realizing the strain signal
Enhanced processing and wireless transmission.
3. measurement frock according to claim 1, which is characterized in that the wireless strain measuring device further includes strain and surveys
Installation's power source is measured, is used for powering to the wireless strain measuring device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721667039.4U CN207423422U (en) | 2017-12-05 | 2017-12-05 | The measurement frock of rotary cultivator input torque |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721667039.4U CN207423422U (en) | 2017-12-05 | 2017-12-05 | The measurement frock of rotary cultivator input torque |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207423422U true CN207423422U (en) | 2018-05-29 |
Family
ID=62396925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721667039.4U Expired - Fee Related CN207423422U (en) | 2017-12-05 | 2017-12-05 | The measurement frock of rotary cultivator input torque |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207423422U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109724729A (en) * | 2018-12-29 | 2019-05-07 | 西南大学 | Wireless torque signal acquisition and receiving module and its control method |
-
2017
- 2017-12-05 CN CN201721667039.4U patent/CN207423422U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109724729A (en) * | 2018-12-29 | 2019-05-07 | 西南大学 | Wireless torque signal acquisition and receiving module and its control method |
| CN109724729B (en) * | 2018-12-29 | 2020-12-04 | 西南大学 | Wireless torque signal acquisition and receiving module and control 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 |
Granted publication date: 20180529 Termination date: 20211205 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |