CN201270666Y - Combine-harvester cylinder torque sensor - Google Patents
Combine-harvester cylinder torque sensor Download PDFInfo
- Publication number
- CN201270666Y CN201270666Y CNU2008201224917U CN200820122491U CN201270666Y CN 201270666 Y CN201270666 Y CN 201270666Y CN U2008201224917 U CNU2008201224917 U CN U2008201224917U CN 200820122491 U CN200820122491 U CN 200820122491U CN 201270666 Y CN201270666 Y CN 201270666Y
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- CN
- China
- Prior art keywords
- belt pulley
- signal
- threshing cylinder
- transmission shaft
- torque sensor
- 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 threshing cylinder torque sensor of a combine harvester, comprising a belt pulley (1), a resistance strain gage (2), a rolling disc (3), a fixed disc (4), a signal emitter (5) and a signal receiver (6), wherein, the belt pulley (1) is arranged on a transmission shaft (12) for transmitting torque, the resistance strain gage (2) is stuck on the belt pulley (1) for testing the torque force of the belt pulley, the rolling disc (3) is connected with the belt pulley (1) and the transmission shaft (12) for arranging the signal emitter (5), the fixed disc (4) is connected with the frame of a rotating machine for arranging the signal receiver (6) and a conditioning circuit (7), the signal emitter (5) is connected with the resistance strain gage (2) for emitting a voltage signal outside, the signal receiver (6) is used for receiving the signal emitted by the signal emitter (5), the input end of the conditioning circuit (7) is connected with the signal receiver (6), the output end thereof is connected with a computer, and the computer collects the voltage signal in real time and work out the threshing cylinder torque according to the application program. The sensor has simple structure, convenient use and good testing effect.
Description
Technical field
The utility model relates to the wheeled rotating machinery torque sensor of belt, is specifically related to a kind of combined harvester threshing cylinder torque sensor.
Background technology
At present moment of torsion passes method of testing and mainly is divided into contact and contactless two kinds.The contact torque sensor is at adhering resistance strain sheets on the measured axis or shaft coupling is installed between measured axis, by the measure of the change moment of torsion of foil gauge resistance value; Non-contact torque sensor one class is based on optical means and utilizes moment of torsion and torsion angle relation to measure, and a class is based on the magnetics principle and utilizes torsional stress to produce the magnetic effect measurement.The common ground of above torsion-testing sensor is to reequip or to install corresponding tool on axle to the threshing cylinder power take-off.But combined harvester threshing cylinder is airtight device, and on the axle sheller unit is arranged, and above-mentioned sensor can't be installed.
Because the cereal density that combine gathered in and the moisture of cereal all are different, therefore the moment of torsion of threshing cylinder is also constantly changing in the grain header, so the operating personnel of combine are necessary to grasp at any time the moment of torsion of threshing cylinder, operating personnel or self-checking device can in time be adjusted the combine feed quantity according to the cylinder moment of torsion that the reality test draws, and make threshing cylinder keep optimum state constantly.
Summary of the invention
The purpose of this utility model is, but a kind of real-time testing combined harvester threshing cylinder torque sensor of design, and this sensor construction is simple, easy to use, good test effect.
For achieving the above object, the technical solution of the utility model is:
A kind of combined harvester threshing cylinder torque sensor comprises:
Belt pulley, described belt pulley is installed on the power transmission shaft of threshing cylinder, is used to transmit the torsion of threshing cylinder;
Resistance strain gage sticks on the described belt pulley, is used to test the torsion of described belt pulley;
Rolling disc is connected with power transmission shaft with described belt pulley, is used to install signal projector;
Fixed disk is connected with the frame of combine, is used to install signal receiver and modulate circuit;
Signal projector is connected with resistance strain gage, is used for the voltage signal of resistance strain gage is outwards launched;
Signal receiver is used for the signal that the received signal transmitter sends;
Modulate circuit, input is connected with signal receiver, and output is connected with calculator, is used to handle described voltage signal, and described signal is outputed to calculator.
Wherein, described resistance strain gage sticks on the interior annulus surface of the annular groove or the wheel hub of described belt pulley.
Wherein, be provided with cannelure on described fixed disk, described signal receiver, modulate circuit are installed in the described groove.
Wherein, the described fixed disk end that is provided with cannelure is nested in the outside of described rolling disc.
Wherein, between described rolling disc and described fixed disk, bearing is housed.
Wherein, described rolling disc is sleeved on the outside of the central shaft of described drive, with screw the end face of described rolling disc with described central shaft and described power transmission shaft is connected.
Wherein, be connected by key between the central shaft of described drive and the described power transmission shaft.
Advantage of the present utility model and beneficial effect are, owing on the belt pulley that connects threshing cylinder, pasted resistance strain gage, and rolling disc and fixed disk be housed on described belt pulley, on described rolling disc, signal projector is housed, signal receiver and modulate circuit are housed on described fixed disk, and above-mentioned device links together and just can go out the combined harvester threshing cylinder moment of torsion by real-time testing.This combine breaks away from that cylinder torque sensor is simple in structure, easy to use, and the result who is tested is accurate, provides convenience for the operating personnel of combine regulate the combine feed quantity at any time.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Among the figure: 1, belt pulley; 2, resistance strain gage; 3, rolling disc; 4, fixed disk; 5, signal projector; 6, signal receiver; 7, modulate circuit; 8, interior annulus surface; 9, screw; 10, bearing; 11, key; 12, power transmission shaft.
Embodiment
Following examples are used to illustrate the utility model, but are not used for limiting scope of the present utility model.
As shown in Figure 1, specific embodiment of the utility model is the combined harvester threshing cylinder power sensor, comprising: belt pulley 1, described belt pulley 1 is installed on the power transmission shaft 12 of described threshing cylinder, is used to transmit the torsion that breaks away from cylinder.Resistance strain gage 2 sticks on the described belt pulley 1, is used to test the torsion of described belt pulley 1.Rolling disc 3 is connected with power transmission shaft 12 with described belt pulley 1, is used to install rotaring signal transmitter 5.Fixed disk 4 is connected with the combine frame, is used to install signal receiver 6 and modulate circuit 7.Signal projector 5 is connected with resistance strain gage 2, is used for the voltage signal of resistance strain gage 2 is outwards launched.Signal receiver 6 is used for the signal that received signal transmitter 5 is exported.Modulate circuit 7, input and signal receiver 6, output is connected with calculator, is used to handle described voltage signal, and described signal is outputed to calculator.
Wherein, described resistance strain gage 2 sticks on the interior annulus surface 8 of the annular groove or the wheel hub of described belt pulley 1.Described fixed disk 4 is nested in an end of described drive.Be provided with groove on described fixed disk 4, described signal receiver 6, modulate circuit 7 are installed in the described groove.Described rolling disc 3 is sleeved on the outside of the power transmission shaft 12 of described belt pulley 1, with screw 9 end face of described rolling disc 3 with described belt pulley 1 and described power transmission shaft 12 is connected.Between described rolling disc 3 and described fixed disk 4, bearing 10 is housed.Described belt pulley 1 is connected by key 11 with described power transmission shaft 12.
Test philosophy of the present utility model is, tested combined harvester threshing cylinder power input shaft is connected with belt pulley by standard key 11, signal conditioning circuit is connected with belt pulley by hold-down screw 9, detect the dynamic torque of threshing cylinder by the torsion that detects the belt pulley transmission, utilize the torsion signal of computer real-time acquisition belt pulley, by application computes combined harvester threshing cylinder moment of torsion.The formula that calculator calculates is: moment of torsion=torsion * radius.
Described belt pulley is connected with threshing cylinder power transmission shaft 12 by standard key 11, rolling disc 3 is H shape along diametric section shape, one end shrinkage pool of H type rolling disc 3 is sleeved on the power transmission shaft 12 of belt pulley, H type rolling disc 3 is connected by hold-down screw 9 with the end face of the power transmission shaft 12 of described belt pulley and the end face of threshing cylinder power transmission shaft 12, and described modulate circuit 7 is installed on the described fixed disk.The annulus surface is along posting resistance strain gage 2 on the direction of circumference in belt pulley hub, the annulus surface will produce a certain amount of distortion along the direction of circumference in belt pulley hub when belt pulley rotates, this distortion will cause the variation of the surface charge amount of resistance strain gage, the variation of the quantity of electric charge can cause the change of resistance strain gage both end voltage, described voltage quantities is changed corresponding torsion numerical value multiply by the radius that resistance strain gage 2 is pasted again, just can directly detect the moment of torsion of threshing cylinder.Torsion signal is sent into calculator after by preliminary treatments such as modulate circuit 7 filtering, amplifications, calculate and adopt the written application program can draw the combined harvester threshing cylinder moment of torsion.
The above only is a preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (7)
1, a kind of combined harvester threshing cylinder torque sensor is characterized in that, comprising:
Belt pulley (1), described belt pulley (1) are installed on the power transmission shaft (12) of threshing cylinder, are used to transmit the torsion of threshing cylinder;
Resistance strain gage (2) sticks on the described belt pulley (1), is used to test the torsion of described belt pulley (1);
Rolling disc (3) is connected with power transmission shaft (12) with described belt pulley (1), is used to install signal projector (5);
Fixed disk (4) is connected with the frame of combine, is used to install signal receiver (6) and modulate circuit (7);
Signal projector (5) is connected with resistance strain gage (2), is used for the voltage signal of resistance strain gage (2) is outwards launched;
Signal receiver (6) is used for the signal that received signal transmitter (5) sends;
Modulate circuit (7), input is connected with signal receiver (6), and output is connected with calculator, is used to handle described voltage signal, and described signal is outputed to calculator.
2, combined harvester threshing cylinder torque sensor as claimed in claim 1 is characterized in that, described resistance strain gage (2) sticks on the interior annulus surface (8) of the annular groove or the wheel hub of described belt pulley (1).
3, combined harvester threshing cylinder torque sensor as claimed in claim 1 or 2 is characterized in that, is provided with cannelure on described fixed disk (4), and described signal receiver (6), modulate circuit (7) are installed in the described groove.
4, combined harvester threshing cylinder torque sensor as claimed in claim 3 is characterized in that, the end that described fixed disk (4) is provided with cannelure is nested in the outside of described rolling disc (3).
5, combined harvester threshing cylinder torque sensor as claimed in claim 4 is characterized in that, between described rolling disc (3) and described fixed disk (4) bearing (10) is housed.
6, combined harvester threshing cylinder torque sensor as claimed in claim 1 or 2, it is characterized in that, described rolling disc (3) is sleeved on the outside of the power transmission shaft (12) of described belt pulley (1), with screw (9) described rolling disc (3) is connected with the end face of described power transmission shaft (12) with described power transmission shaft (12).
7, combined harvester threshing cylinder torquer as claimed in claim 1 or 2 is characterized in that, is connected by key (11) between described belt pulley (1) and the described power transmission shaft (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201224917U CN201270666Y (en) | 2008-09-12 | 2008-09-12 | Combine-harvester cylinder torque sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201224917U CN201270666Y (en) | 2008-09-12 | 2008-09-12 | Combine-harvester cylinder torque sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201270666Y true CN201270666Y (en) | 2009-07-15 |
Family
ID=40881025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201224917U Expired - Fee Related CN201270666Y (en) | 2008-09-12 | 2008-09-12 | Combine-harvester cylinder torque sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201270666Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102077730A (en) * | 2010-12-02 | 2011-06-01 | 中国农业大学 | Operating speed control system and method for combine harvester |
| CN102090205A (en) * | 2010-12-07 | 2011-06-15 | 中国农业大学 | Multi-parameter control system for threshing performance of combined harvester |
| CN103270842A (en) * | 2013-05-24 | 2013-09-04 | 湖州思达机械制造有限公司 | Intelligent control system of harvester |
| CN103797966A (en) * | 2014-01-26 | 2014-05-21 | 洛阳理工学院 | Torque measuring system of threshing cylinder of combine harvester |
| CN105144981A (en) * | 2015-09-09 | 2015-12-16 | 安徽农业大学 | Real-time performance detection device for straw pulverizer matched with combine harvester for use |
| CN106664990A (en) * | 2016-12-30 | 2017-05-17 | 江苏大学 | Adjusting device and adjusting method for cereal threshing cylinder concave clearance |
| CN114088265A (en) * | 2021-10-14 | 2022-02-25 | 哈尔滨广瀚动力传动有限公司 | Near-field communication device of large-displacement disturbance rotating torque meter |
-
2008
- 2008-09-12 CN CNU2008201224917U patent/CN201270666Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102077730A (en) * | 2010-12-02 | 2011-06-01 | 中国农业大学 | Operating speed control system and method for combine harvester |
| CN102090205A (en) * | 2010-12-07 | 2011-06-15 | 中国农业大学 | Multi-parameter control system for threshing performance of combined harvester |
| CN103270842A (en) * | 2013-05-24 | 2013-09-04 | 湖州思达机械制造有限公司 | Intelligent control system of harvester |
| CN103797966A (en) * | 2014-01-26 | 2014-05-21 | 洛阳理工学院 | Torque measuring system of threshing cylinder of combine harvester |
| CN105144981A (en) * | 2015-09-09 | 2015-12-16 | 安徽农业大学 | Real-time performance detection device for straw pulverizer matched with combine harvester for use |
| CN106664990A (en) * | 2016-12-30 | 2017-05-17 | 江苏大学 | Adjusting device and adjusting method for cereal threshing cylinder concave clearance |
| CN114088265A (en) * | 2021-10-14 | 2022-02-25 | 哈尔滨广瀚动力传动有限公司 | Near-field communication device of large-displacement disturbance rotating torque meter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090715 Termination date: 20110912 |