CN202631169U - Torque testing device of rotary cultivator matched with hand tractor - Google Patents
Torque testing device of rotary cultivator matched with hand tractor Download PDFInfo
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- CN202631169U CN202631169U CN 201220298519 CN201220298519U CN202631169U CN 202631169 U CN202631169 U CN 202631169U CN 201220298519 CN201220298519 CN 201220298519 CN 201220298519 U CN201220298519 U CN 201220298519U CN 202631169 U CN202631169 U CN 202631169U
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Abstract
The utility model relates to a torque testing device of a rotary cultivator matched with a hand tractor. The torque testing device of the rotary cultivator matched with the hand tractor comprises a box body which is internally provided with a transmission mechanism for connecting the tractor and the rotary cultivator. The transmission mechanism comprises a torque sensor, a gear I engaged with a backward gear of the tractor and a gear IV engaged with an input gear of the rotary cultivator. The gear I is arranged on a shaft I. One end of the shaft I is supported by the box body while the other end of the shaft I is connected with one end of a shaft II. The shaft II is provided with a gear II which is engaged with a gear III. The gear III is arranged at a shaft input end of the torque sensor. The shaft input end of the torque sensor is connected with one end of the shaft III. The gear IV is arranged on the shaft III. The torque testing device of the rotary cultivator matched with the hand tractor provided by the utility model is convenient and quick to install and simple to operate, and torque, rotating speed and power consumption of the rotary cultivator can be quickly tested without changing the structures of the hand tractor and the rotary cultivator.
Description
Technical field
The utility model relates to a kind of torsion-testing apparatus of walking tractor matching rotary cultivator, belongs to the agricultural machinery field tests.
Background technology
Hand tractor is the topmost farm power machinery in China vast rural area, particularly southern area, and rotary cultivator then is one of most important tillage implement that matches with it.The rotary cultivator operation consumption is big, how to pass judgment on the fine or not and whether reasonable with tractor of the performance of rotary cultivator own, and moment of torsion, rotating speed and power consumption are the major parameters of its judge.The peak torque of rotary cultivator, rotation speed relation ability to work, life-span and the security of rotary cultivator.The moment of torsion of rotary cultivator, rotating speed and power consumption parameter are also relevant with the structural parameters (quantity of the radius of clean-up of Rotary tillage blade, rotary cultivator working width, Rotary tillage blade and the spread pattern on cutter shaft) of rotary cultivator, kinematic parameter (peripheral speed of Rotary tillage blade, the pace of unit and the ratio of the two), performance parameter (bite length of the rotary tillage degree of depth, blade and every the native width of cutting of blade) etc.; Can measure the moment of torsion and the rotating speed of transmission shaft accurately and real-time; For evaluation hand tractor rotary cultivator operation quality can satisfy agriculture requirement and with the supporting rationality of hand tractor; And whether the examination model machine reach designing requirement and have very important significance, in addition for the fault of timely discovery transmission shaft with improve design and also have very important meaning.
Present domestic rotary cultivator torsion-testing mainly still is employed in axle and goes up the classic method of pasting foil gauge.Be foil gauge-strain-gauge test rotary cultivator rotating speed, moment of torsion and power consumption.This method is directly at the transmission shaft paster of Devices to test; Promptly every being uniformly distributed with at a distance from 90 ° sticked resistance strain gage on rotary tillage arbor input end circumference; And be connected into full-bridge circuit and collector ring joins; The axle output terminal tach signal input dynamic strain indicator that while and measurement of rotating speed element (Hall element or tachometer disk) record is handled through the on-site real-time of dynamic strain indicator, obtains the rotary cultivator moment of torsion and calculates power consumption.But this torque measuring method is extremely loaded down with trivial details, and machine of every test must be at the transmission shaft paster of tested machinery and equipment, time-consuming, effort and poor repeatability.Therefore research and develop rotary cultivator rotating speed, moment of torsion and power consumption test fexible unit, the situation that changes at present " machine one pastes " is very necessary, has important practical significance.
Summary of the invention
In view of the deficiency of prior art, the purpose of the utility model be to provide a kind of simple to operate, measure fast and reliable, error is little and the torsion-testing apparatus of the walking tractor matching rotary cultivator of good reproducibility.
To achieve these goals; The technical scheme of the utility model is: a kind of torsion-testing apparatus of walking tractor matching rotary cultivator; Comprise casing, be provided with the gear train that is used to connect tractor and rotary cultivator in the said casing, said gear train comprises a torque sensor.
Further, said gear train also comprises gear I that is meshed with the tractor reverse gear gear and the gear IV that is meshed with rotary cultivator input gear, and said gear I is arranged on the I; One end of said axle I is by case supports; The other end of said axle I is connected with an end of axle II and by case supports, the other end of said axle II is by case supports, and said axle II is provided with the gear II; Said gear II is meshed with the gear III; Said gear III is arranged on the axle input end of torque sensor, and the axle input end of said torque sensor is by case supports, and the axle output terminal of said torque sensor is connected with an end of axle III; The other end of said axle III is by case supports, and said gear IV is arranged on the III.
Further, said gear I is connected with the axle I through flat key, and said gear IV is connected with the axle III through flat key, has the gap between the tooth top of said gear I and gear IV.
Further; Said axle I is identical with the physical dimension of axle III; The other end of said axle I is provided with spline; One end of said axle II is provided with the spline that matches with the spline of axle I, and an end of said axle III is provided with spline, and the axle output terminal of said torque sensor is provided with the spline that matches with the spline of axle III.
Further; Said gear II is identical with the physical dimension of gear III; Said gear II is connected with the axle II through the spline housing I, and the spline of said gear II matches with the male splines of spline housing I, and the other end of said axle II is provided with the spline that matches with the inner spline groove of spline housing I.
Further; Said gear III is connected with the axle input end of torque sensor through the spline housing II; Said spline housing I is identical with the physical dimension of spline housing II; The spline of the said gear III II that matches with the male splines of spline housing, the axle input end of said torque sensor is provided with the spline that matches with the inner spline groove of spline housing II.
Further, said gear I is identical with the number of teeth of gear IV, and said gear II is identical with the number of teeth of gear III.
Further, said casing is to be formed by connecting through bolt casing I and casing II.
Further, on the gearbox body of tractor, the B face of said casing I is connected with rotary cultivator through bolt the A face of said casing I through bolt.
Compared with prior art; The utlity model has following advantage: the utility model has been developed general torsion-testing apparatus to the torque measurement of hand tractor rotary cultivator; This torsion-testing apparatus is simple in structure, easy to operate, low cost of manufacture, be easy to carry; During test this torque-measuring apparatus is attached on the transmission shaft of machine; Need not to change the structure of hand tractor and rotary cultivator, this method of testing can be measured to fast and reliable moment of torsion, rotating speed and the power of parameter to calculate rotary cultivator such as moment of torsion, rotating speed, has advantages such as error is little, good reproducibility; In addition, the utility model also can be used to measure the moment of torsion of other drive-type facility of walking tractor matching, like driven disk plow, paddy field driving harrow etc.
Below in conjunction with accompanying drawing and embodiment the utility model is done further elaboration.
Description of drawings
Fig. 1 is the scheme of installation of proving installation.
Fig. 2 is the one-piece construction figure of proving installation.
Fig. 3 is drive mechanism figure.
Fig. 4 is the structural drawing of axle I and axle III.
Fig. 5 is the structural drawing of axle II.
Fig. 6 is the structural drawing of spline housing I and spline housing II.
Fig. 7 is the structural drawing of gear II and gear III.
Among the figure: 1-casing I, 2,4,8,11,14,15,19, the 21-rolling bearing, 3-gear I, 5-axle I, 6-casing II; 7-axle II, 9-gear II, 10-spline housing I, 12-gear III, 13-spline housing II; The 16-outer cover, 17-torque sensor, 18-axle III, 20-gear IV; 22-casing coupling bolt nut, 23-torque sensor anchor bolt nut, A-A face, B-B face.
Embodiment
12 horsepowers of level hand tractors are the topmost farm power machinery in China vast rural area, particularly southern area, and rotary cultivator then is one of most important tillage implement that matches with it.Measure the rotary cultivator moment of torsion of 12 horsepowers of level walking tractor matching; Pull down the bolt that connects hand steered gear box of tractor and rotary cultivator wheel box earlier; Separate hand tractor and rotary cultivator, be installed in this torsion-testing apparatus between hand tractor and the former connecting portion of rotary cultivator again.
With reference to figure 1 ~ 7, a kind of torsion-testing apparatus of walking tractor matching rotary cultivator comprises casing; Be provided with the gear train that is used to connect tractor and rotary cultivator in the said casing, the gear IV 20 that said gear train comprises a torque sensor 17, the gear I 3 that is meshed with the tractor reverse gear gear and is meshed with rotary cultivator input gear, said gear I 3 is arranged on the I 5; One end of said axle I 5 is by case supports; The other end of said axle I 5 is connected with an end of axle II 7 and by case supports, the other end of said axle II 7 is by case supports, and said axle II 7 is provided with gear II 9; Said gear II 9 is meshed with gear III 12; Said gear III 12 is arranged on the axle input end of torque sensor 17, and the axle input end of said torque sensor 17 is by case supports, and the axle output terminal of said torque sensor 17 is connected with an end of axle III 18; The other end of said axle III 18 is by case supports, and said gear IV 20 is arranged on the III 18.
In the present embodiment, said gear I 3 is connected with axle I 5 through flat key, and said gear IV 20 is connected with axle III 18 through flat key, has the gap between the tooth top of said gear I 3 and gear IV 20; Said axle I 5 is identical with the physical dimension of axle III 18; The other end of said axle I 5 is provided with spline; One end of said axle II 7 is provided with the spline that matches with the spline of axle I 5; One end of said axle III 18 is provided with spline, and the axle output terminal of said torque sensor 17 is provided with the spline that matches with the spline of axle III 18.
In the present embodiment; Said gear II 9 is identical with the physical dimension of gear III 12; Said gear II 9 is connected with axle II 7 through spline housing I 10; The spline of said gear II 9 matches with the male splines of spline housing I 10, and the other end of said axle II 7 is provided with the spline that matches with the inner spline groove of spline housing I 10; Said gear III 12 is connected with the axle input end of torque sensor 17 through spline housing II 13; Said spline housing I 10 is identical with the physical dimension of spline housing II 13; The spline of said gear III 12 II that matches with the male splines of spline housing, the axle input end of said torque sensor 17 is provided with the spline that matches with the inner spline groove of spline housing II 13.
In order to reduce friction force, the two ends of said spline housing I 10 and spline housing II 13 are by case supports, and support place of said casing and each parts is provided with rolling bearing.
In order to make this torsion-testing apparatus before and after installing, all not change the ratio of gear of tractor and rotary cultivator, said gear I 3 is identical with the number of teeth of gear IV 20, and said gear II 9 is identical with the number of teeth of gear III 12.
For the ease of assembling; Said casing is to be formed by connecting through bolt casing I 1 and casing II 6; On the gearbox body of tractor, the B face of said casing I 1 is connected with rotary cultivator through bolt the A face of said casing I 1 through bolt, and the outer periphery of said casing II 6 is equipped with outer cover 16.
The method of testing of this torsion-testing apparatus is carried out according to the following steps: when install (1); Make casing be fixedly connected with rotary cultivator with the gearbox body of tractor respectively through bolt; The BG of tractor is meshed with the gear I 3 of this torsion-testing apparatus, the input gear of rotary cultivator is meshed with the gear IV 20 of this torsion-testing apparatus; When (2) testing; BG driven gear I 3 rotations of tractor; Gear I 3 is through axle I 5 and 9 rotations of axle II 7 driven gear II; Gear II 9 is through the axle input end of gear III 12 driving torque sensors 17, and an output terminal of torque sensor 17 is through 20 rotations of axle III 18 driven gear IV, and gear IV 20 is through the input gear and then the driving rotary cultivator of rotary cultivator; This moment, torque sensor 17 was carried in the parameters such as moment of torsion, rotating speed on himself axle through measurement, thereby calculated moment of torsion, rotating speed and the power consumption of rotary cultivator.
The above is merely the preferred embodiment of the utility model, and all equalizations of being done according to the utility model claim change and modify, and all should belong to the covering scope of the utility model.
Claims (9)
1. the torsion-testing apparatus of a walking tractor matching rotary cultivator, it is characterized in that: comprise casing, be provided with the gear train that is used to connect tractor and rotary cultivator in the said casing, said gear train comprises a torque sensor.
2. the torsion-testing apparatus of walking tractor matching rotary cultivator according to claim 1 is characterized in that: said gear train also comprises gear I that is meshed with the tractor reverse gear gear and the gear IV that is meshed with rotary cultivator input gear, and said gear I is arranged on the I; One end of said axle I is by case supports; The other end of said axle I is connected with an end of axle II and by case supports, the other end of said axle II is by case supports, and said axle II is provided with the gear II; Said gear II is meshed with the gear III; Said gear III is arranged on the axle input end of torque sensor, and the axle input end of said torque sensor is by case supports, and the axle output terminal of said torque sensor is connected with an end of axle III; The other end of said axle III is by case supports, and said gear IV is arranged on the III.
3. the torsion-testing apparatus of walking tractor matching rotary cultivator according to claim 2; It is characterized in that: said gear I is connected with the axle I through flat key; Said gear IV is connected with the axle III through flat key, has the gap between the tooth top of said gear I and gear IV.
4. the torsion-testing apparatus of walking tractor matching rotary cultivator according to claim 3; It is characterized in that: said axle I is identical with the physical dimension of axle III; The other end of said axle I is provided with spline; One end of said axle II is provided with the spline that matches with the spline of axle I, and an end of said axle III is provided with spline, and the axle output terminal of said torque sensor is provided with the spline that matches with the spline of axle III.
5. according to the torsion-testing apparatus of claim 2 or 4 described walking tractor matching rotary cultivators; It is characterized in that: said gear II is identical with the physical dimension of gear III; Said gear II is connected with the axle II through the spline housing I; The spline of said gear II matches with the male splines of spline housing I, and the other end of said axle II is provided with the spline that matches with the inner spline groove of spline housing I.
6. the torsion-testing apparatus of walking tractor matching rotary cultivator according to claim 5; It is characterized in that: said gear III is connected with the axle input end of torque sensor through the spline housing II; Said spline housing I is identical with the physical dimension of spline housing II; The spline of the said gear III II that matches with the male splines of spline housing, the axle input end of said torque sensor is provided with the spline that matches with the inner spline groove of spline housing II.
7. according to the torsion-testing apparatus of claim 2,3,4 or 6 described walking tractor matching rotary cultivators, it is characterized in that: said gear I is identical with the number of teeth of gear IV, and said gear II is identical with the number of teeth of gear III.
8. the torsion-testing apparatus of walking tractor matching rotary cultivator according to claim 1 is characterized in that: said casing is to be formed by connecting through bolt casing I and casing II.
9. the torsion-testing apparatus of walking tractor matching rotary cultivator according to claim 8 is characterized in that: on the gearbox body of tractor, the B face of said casing I is connected with rotary cultivator through bolt the A face of said casing I through bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220298519 CN202631169U (en) | 2012-06-25 | 2012-06-25 | Torque testing device of rotary cultivator matched with hand tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220298519 CN202631169U (en) | 2012-06-25 | 2012-06-25 | Torque testing device of rotary cultivator matched with hand tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202631169U true CN202631169U (en) | 2012-12-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220298519 Expired - Fee Related CN202631169U (en) | 2012-06-25 | 2012-06-25 | Torque testing device of rotary cultivator matched with hand tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202631169U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102721498A (en) * | 2012-06-25 | 2012-10-10 | 福建农林大学 | Torque testing method and device for rotary cultivator matched with walking tractor |
| CN104297012A (en) * | 2014-11-07 | 2015-01-21 | 南宁市南北动力有限公司 | Working performance test bench for large rotary cultivator |
-
2012
- 2012-06-25 CN CN 201220298519 patent/CN202631169U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102721498A (en) * | 2012-06-25 | 2012-10-10 | 福建农林大学 | Torque testing method and device for rotary cultivator matched with walking tractor |
| CN102721498B (en) * | 2012-06-25 | 2014-10-29 | 福建农林大学 | Torque testing method and device for rotary cultivator matched with walking tractor |
| CN104297012A (en) * | 2014-11-07 | 2015-01-21 | 南宁市南北动力有限公司 | Working performance test bench for large rotary cultivator |
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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 |
Granted publication date: 20121226 Termination date: 20150625 |
|
| EXPY | Termination of patent right or utility model |