CN107727385B - Field rotary blade test system - Google Patents
Field rotary blade test system Download PDFInfo
- Publication number
- CN107727385B CN107727385B CN201711129001.6A CN201711129001A CN107727385B CN 107727385 B CN107727385 B CN 107727385B CN 201711129001 A CN201711129001 A CN 201711129001A CN 107727385 B CN107727385 B CN 107727385B
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- 238000012360 testing method Methods 0.000 title claims abstract description 32
- 230000005540 biological transmission Effects 0.000 claims abstract description 21
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 230000009467 reduction Effects 0.000 claims description 2
- 230000008859 change Effects 0.000 abstract description 9
- 230000009347 mechanical transmission Effects 0.000 abstract description 5
- 239000003921 oil Substances 0.000 description 34
- 230000002457 bidirectional effect Effects 0.000 description 17
- 238000003971 tillage Methods 0.000 description 7
- 239000002689 soil Substances 0.000 description 6
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a field rotary blade testing system, which is arranged on a bracket, and the bracket is arranged on a tractor and comprises: the first input shaft is connected with the tractor to drive the input shaft to rotate; the two-way variable hydraulic pump comprises a second input shaft, a hydraulic pump oil inlet port and a hydraulic pump oil outlet port, and the second input shaft is suitable for being connected with the first input shaft; the unidirectional variable hydraulic motor comprises a hydraulic motor first port, a hydraulic motor second port and a first output shaft, and the hydraulic motor first port is suitable for being connected with an oil outlet port of the hydraulic pump; and the cutter shaft tube is rotatably arranged at the lower end of the bracket, and the first output shaft is suitable for being connected with the cutter shaft tube. The testing system realizes stepless speed change by combining hydraulic transmission and mechanical transmission, greatly reduces dynamic load of the transmission system, and greatly prolongs service life and reliability of mechanical parts.
Description
Technical Field
The invention relates to the field of agricultural machinery equipment, in particular to a field rotary blade testing system.
Background
In the prior art, the transmission system of the field rotary tillage cutter is mostly mechanical transmission, and the working environment is bad, so that the dynamic load of the transmission system is large, and the phenomenon of overload flameout of an engine is easy to occur, thereby greatly reducing the service life and reliability of related mechanical parts.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a field rotary blade testing system which realizes stepless speed change by combining hydraulic transmission and mechanical transmission, can automatically adapt to the change of load and running resistance, greatly reduces the dynamic load of a transmission system, avoids flameout of an engine, and greatly prolongs the service life and reliability of mechanical parts.
In order to achieve the above object, the present invention provides a field rotary blade testing system mounted on a stand mounted on a tractor, comprising: the first input shaft is connected with the tractor to drive the input shaft to rotate; the two-way variable hydraulic pump comprises a second input shaft, a hydraulic pump oil inlet port and a hydraulic pump oil outlet port, and the second input shaft is suitable for being connected with the first input shaft; the unidirectional variable hydraulic motor comprises a hydraulic motor first port, a hydraulic motor second port and a first output shaft, and the hydraulic motor first port is suitable for being connected with the hydraulic pump oil outlet port; and the cutter shaft tube is rotatably arranged at the lower end of the bracket, and the first output shaft is suitable for being connected with the cutter shaft tube.
In the technical scheme, an engine of a tractor drives a first input shaft to rotate, the power of the first input shaft is transmitted to a second input shaft of a bidirectional variable hydraulic pump, the rotation of the second input shaft enables oil in the bidirectional variable hydraulic pump to generate pressure, mechanical energy of the engine is converted into pressure energy of the oil, the oil with pressure enters a first port of a hydraulic motor of a unidirectional variable hydraulic motor from an oil outlet port of the hydraulic pump of the bidirectional variable hydraulic pump and drives a first output shaft to rotate, the hydraulic energy of the oil is converted into mechanical energy for the rotation of the first output shaft, and then the first output shaft drives a cutter shaft tube to rotate, so that the aim of rotary tillage and soil breaking of cutters on the cutter shaft tube is achieved; the stepless speed regulation of the rotating speed of the cutter shaft tube is realized by regulating the flow of the output oil of the bidirectional variable hydraulic pump. The system realizes stepless speed change by combining hydraulic transmission and mechanical transmission, can automatically adapt to the change of load and running resistance, greatly reduces the dynamic load of a transmission system, avoids flameout of an engine, and greatly prolongs the service life and reliability of mechanical parts.
In addition, the field rotary blade testing system provided by the invention can also have the following technical characteristics:
further, the transmission further comprises a first gearbox, wherein the input end of the first gearbox is connected with the first input shaft, and the output end of the first gearbox is suitable for being connected with the second input shaft.
Further, a coupling connecting the output end of the first gearbox and the second input shaft is arranged between the first gearbox and the second input shaft.
Further, the cutter shaft comprises a second gearbox, an input shaft of the second gearbox is suitable for being connected with a first output shaft of the unidirectional variable hydraulic motor, and an output shaft of the second gearbox is connected with the cutter shaft tube.
Further, a torque sensor is arranged between the unidirectional variable hydraulic motor and the second gearbox, one end of the torque sensor is connected with the first output shaft, and the other end of the torque sensor is connected with the second gearbox input shaft.
Further, the second gearbox is arranged on one side of the support and is fixedly connected with the support through a fastener.
Preferably, the second gearbox is fixedly connected with the support through bolts, a plurality of first positioning holes are formed in the second gearbox, a plurality of second positioning holes are formed in the support, the first positioning holes correspond to the second positioning holes one by one, and the bolts sequentially penetrate through the first positioning holes and the second positioning holes.
Further, the rotary blade testing system further comprises a five-wheel instrument which is fixedly arranged on the bracket so as to measure the speed of the rotary blade testing system.
Further, the upper end of the bracket is also provided with a connecting frame, and the tractor is connected with the bracket through the connecting frame.
Further, the connecting frame comprises a plurality of connecting rods and an ear plate, the connecting rods are fixedly connected with the support, and the ear plate is provided with a pin hole suitable for connecting the tractor.
Compared with the traditional purely mechanically-driven rotary blade testing system, the field rotary blade testing system provided by the invention has the advantages that the power of the field rotary blade testing system is controlled by adopting hydraulic stepless speed change, the change of load and running resistance can be automatically adapted, liquid is used as a force transmission medium, the dynamic load of a transmission system is greatly reduced, the overload and flameout of an engine are easily prevented, the service life of related parts can be prolonged, and the field rotary blade testing system is particularly important for agricultural machinery and engineering machinery with severe working conditions.
Drawings
FIG. 1 is a front view of a field rotary blade testing system;
FIG. 2 is a top view of FIG. 1;
fig. 3 is a hydraulic system diagram of a field rotary blade testing system.
Reference numerals:
a bracket 1; a first input shaft 2; a bidirectional variable hydraulic pump 3; a second input shaft 31; a hydraulic pump inlet port 32; a hydraulic pump oil outlet port 33; a unidirectional variable hydraulic motor 4; a first output shaft 41; a hydraulic motor first port 42; a hydraulic motor second port 43; a knife shaft tube 5; a first gearbox 6; a first gear 61; a second gear 62; a drive shaft 63; a coupling 7; a second gearbox 8; a second gearbox input shaft 81; a second gearbox output shaft 82; a bolt 83; a torque sensor 9; a fifth wheel instrument 10; a connection frame 11; a link 111; an ear plate 112; an oil tank 12; a tractor 13.
Detailed Description
The invention will be further described with reference to fig. 1 to 3.
According to an embodiment of the present invention, as shown in fig. 1, 2 and 3, a rotary blade test system for a field is installed on a stand 1, and the stand 1 is installed on a tractor 13, comprising: a first input shaft 2, a bidirectional variable hydraulic pump 3, a unidirectional variable hydraulic motor 4 and a cutter shaft tube 5.
The first input shaft 2 is connected with the tractor 13 to drive the input shaft to rotate; that is, the engine output end of the tractor 13 is connected to the first input shaft 2, and after the engine of the tractor 13 is started, the engine of the tractor 13 drives the first input shaft 2 to rotate, so that the rotation speed of the first input shaft 2 can be controlled by controlling the rotation speed of the engine of the tractor 13.
A bi-directional variable displacement hydraulic pump 3, the bi-directional variable displacement hydraulic pump 3 comprising a second input shaft 31, a hydraulic pump inlet port 32 and a hydraulic pump outlet port 33, the second input shaft 31 being adapted to be connected to the first input shaft 2; specifically, as shown in fig. 3, the hydraulic pump further includes a tank 12, and the hydraulic pump inlet port 32 is adapted to be connected to the tank 12, for example, the hydraulic pump inlet port 32 is connected to the tank 12 through an oil pipe; the first input shaft 2 transmits power to the second input shaft 31, so that a power source is provided for the bidirectional variable displacement hydraulic pump 3, and oil in the oil tank 12 enters the bidirectional variable displacement hydraulic pump 3 through rotation of the second input shaft 31 and flows to an oil outlet port 33 of the hydraulic pump; the mechanical energy is converted into the pressure energy of the oil, the pressure energy of the oil is in direct proportion to the rotating speed, and the flow rate of the output oil of the bidirectional variable hydraulic pump 3 can be adjusted.
A single direction variable hydraulic motor 4, the single direction variable hydraulic motor 4 comprising a hydraulic motor first port 42, a hydraulic motor second port 43 and a first output shaft 41, the hydraulic motor first port 42 being adapted to be connected to the hydraulic pump discharge port 33; specifically, as shown in fig. 3, the hydraulic pump oil outlet 33 is connected to the first hydraulic motor port 42, the second hydraulic motor port 43 is adapted to be connected to the oil tank 12, for example, the hydraulic pump oil outlet 33 and the first hydraulic motor port 42 and the second hydraulic motor port 43 are both adapted to be connected to the oil tank 12 through oil pipes, that is, one end of each oil pipe is connected to the hydraulic pump oil outlet 33, and the other end of each oil pipe is connected to the first hydraulic motor port 42, so that the hydraulic oil enters the unidirectional variable hydraulic motor 4 from the bidirectional variable hydraulic pump 3, the hydraulic oil drives the unidirectional variable hydraulic motor 4 to rotate, and the first output shaft 41 of the unidirectional variable hydraulic motor 4 outputs power, thereby realizing the conversion of the hydraulic energy of the oil into the mechanical energy for rotating the first output shaft 41. And
A cutter shaft tube 5, the cutter shaft tube 5 is rotatably installed at the lower end of the bracket 1, and the first output shaft 41 is adapted to be connected with the cutter shaft tube 5; specifically, a plurality of cutters are arranged on the cutter shaft tube 5, and the cutters rotate along with the rotation of the cutter shaft tube 5, so that the rotary tillage and soil breaking effects are realized, rolling bearings are respectively and fixedly arranged at two ends of the cutter shaft tube 5, the inner rings of the rolling bearings are fixedly connected with the cutter shaft tube 5, and the outer rings of the rolling bearings are fixedly connected with the bracket 1, so that the friction force between the cutter shaft tube 5 and the bracket 1 can be reduced, and the rotary stability of the cutter shaft tube 5 can be improved; and the first output shaft 41 of the unidirectional variable hydraulic motor 4 transmits power to the cutter shaft tube 5, so that the cutter shaft tube 5 can be driven to rotate, and the purpose of rotary tillage and soil breaking can be achieved.
Specifically, the engine of the tractor 13 drives the first input shaft 2 to rotate, the power of the first input shaft 2 is transmitted to the second input shaft 31 of the bidirectional variable hydraulic pump 3, the oil in the bidirectional variable hydraulic pump 3 generates pressure through the rotation of the second input shaft 31, the mechanical energy of the engine is converted into the pressure energy of the oil, the pressurized oil enters the first hydraulic motor port 42 of the unidirectional variable hydraulic motor 4 through the hydraulic pump oil outlet port 33 of the bidirectional variable hydraulic pump 3 and drives the first output shaft 41 to rotate, the hydraulic energy of the oil is converted into the mechanical energy of the rotation of the first output shaft 41, and then the first output shaft 41 drives the rotation of the cutter shaft tube 5, so that the purpose of rotary tillage and soil crushing of cutters on the cutter shaft tube 5 is realized; the stepless speed regulation of the rotating speed of the cutter shaft tube 5 is realized by regulating the flow of the output oil of the bidirectional variable hydraulic pump 3. The system realizes stepless speed change by combining hydraulic transmission and mechanical transmission, further realizes stepless speed regulation of the rotating speed of the cutter shaft tube 5, can automatically adapt to the change of load and running resistance, greatly reduces the dynamic load of a transmission system, avoids flameout of an engine, and greatly prolongs the service life and reliability of mechanical parts.
In some embodiments of the invention, the device further comprises a first gearbox 6, wherein an input end of the first gearbox 6 is connected with the first input shaft 2, and an output end of the first gearbox 6 is suitable for being connected with the second input shaft 31; specifically, the first gearbox 6 may be a primary speed increasing gear, and includes a first gear 61, a second gear 62 and a transmission shaft 63, where the number of teeth of the first gear 61 is greater than that of the second gear 62, the first gear 61 is fixedly disposed on the first input shaft 2, the second gear 62 is disposed on the transmission shaft 63, the first gear 61 and the second gear 62 are meshed with each other, and the transmission shaft 63 is adapted to be connected to the second input shaft 31. The rotation speed of the engine of the tractor 13 can be increased through the primary speed increasing gear transmission so as to meet the rotation speed of the working requirement of the bidirectional variable hydraulic pump 3.
Further, a coupling 7 is provided between the first gearbox 6 and the second input shaft 31, which coupling connects the output end of the first gearbox 6 to the second input shaft 31. Specifically, the two ends of the coupling 7 are respectively provided with a connecting port, one connecting port is connected with the transmission shaft 63, and the other connecting port is connected with the second input shaft 31 of the bidirectional variable hydraulic pump 3, so that the transmission shaft 63 of the first gearbox 6 can drive the second input shaft 31 of the bidirectional variable hydraulic pump 3 to rotate, torque is conveniently transmitted, the effects of damping and buffering can be achieved, and the dynamic performance of a shafting is improved.
In one embodiment of the invention, a second gearbox 8 is further comprised, said second gearbox input shaft 81 being adapted to be connected to the first output shaft 41 of said unidirectional variable hydraulic motor 4, said second gearbox output shaft 82 being connected to said arbor tube 5. Specifically, the second gearbox 8 is in multi-stage reduction gear transmission, and as oil with pressure enters the unidirectional variable hydraulic motor 4, the rotation speed of the unidirectional variable hydraulic motor 4 is too high, and in the actual rotary tillage soil breaking process of the rotary tillage pipe, the rotation speed of the cutter shaft pipe 5 cannot be too high, and the second gearbox 8 is arranged between the cutter shaft pipe 5 and the second output shaft, so that the rotation speed of the unidirectional variable hydraulic motor 4 can be effectively reduced, and the soil breaking quality is improved; it is noted that the second gearbox 8 is a multi-stage parallel shaft gearbox, for example, as illustrated in fig. 1, a four-stage gearbox.
Further, a torque sensor 9 is disposed between the unidirectional variable hydraulic motor 4 and the second gearbox 8, one end of the torque sensor 9 is connected with the first output shaft 41, and the other end of the torque sensor 9 is connected with the second gearbox input shaft 81. By providing the torque sensor 9 between the unidirectional variable hydraulic motor 4 and the second gearbox 8, the torque of the first output shaft 41 of the unidirectional variable hydraulic motor 4 can be effectively monitored in real time, so as to better calculate the power consumption of the cutter on the cutter shaft tube 5.
Further, the second speed device is arranged on one side of the bracket 1 and is fixedly connected with the bracket 1 through a fastener. Specifically, the second gearbox 8 is fixedly connected with the support 1 through bolts 83, a plurality of first positioning holes are formed in the second gearbox 8, a plurality of second positioning holes are formed in the support 1, the first positioning holes and the second positioning holes are in one-to-one correspondence, and the bolts 83 sequentially penetrate through the first positioning holes and the second positioning holes. This makes the connection between the second gearbox 8 and the support 1 more reliable, and easy to disassemble and install, and to repair and maintain.
In one embodiment of the invention, further comprising a fifth wheel 10, said fifth wheel 10 being fixedly mounted on said support 1 for measuring the speed of said test system; specifically, in actual operation, the wheels of the fifth wheel machine 10 are in contact with the ground, the forward speed of the test system is measured, and the forward speed is used as an influencing factor for testing the performance of the test system, so as to test the dynamic performance, braking performance and other performances of the test system.
Further, a connecting frame 11 is further arranged at the upper end of the bracket 1, the tractor 13 is connected with the bracket 1 through the connecting frame 11, the connecting frame 11 comprises a plurality of connecting rods 111 and an ear plate 112, the connecting rods 111 are fixedly connected with the bracket 1, and the ear plate 112 is provided with a pin hole suitable for connecting the tractor 13; specifically, the connecting frame 11 is disposed at the middle position of the support 1, and the plurality of connecting rods 111 are symmetrically disposed on the support 1, for example, as shown in fig. 1, four connecting rods 111 are disposed symmetrically disposed on two sides of the center position of the support 1, so that the tractor 13 is stressed more reasonably in the connection process with the support 1, the reliability is higher, the connecting frame 11 and the support 1 can be fixedly connected in a welding manner, and therefore, the connecting manner is simple in process, high in reliability and low in cost.
In the description of the present invention, it should be understood that the terms "upper," "lower," and the like indicate orientations or positional relationships, and are merely used for convenience in describing the invention and simplifying the description, and do not indicate or imply that the devices or elements shown must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be a direct contact of the first feature with the second feature, or an indirect contact of the first and second features through an intervening medium.
In the present invention, unless explicitly specified and limited otherwise, the terms "connected," "fixed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; may be a mechanical connection; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present invention, reference is made to the term "one embodiment," "some embodiments," etc., means 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, schematic representations of the above terms are not necessarily directed 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. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (7)
1. A field rotary blade testing system, characterized in that, the rotary blade testing system is installed on support (1), support (1) is installed on tractor (13), includes:
the first input shaft (2) is connected with the tractor (13) so as to drive the input shaft to rotate;
a bi-directional variable displacement hydraulic pump (3), the bi-directional variable displacement hydraulic pump (3) comprising a second input shaft (31), a hydraulic pump inlet port (32) and a hydraulic pump outlet port (33), the second input shaft (31) being adapted to be connected to the first input shaft (2);
-a unidirectional variable hydraulic motor (4), the unidirectional variable hydraulic motor (4) comprising a hydraulic motor first port (42), a hydraulic motor second port (43) and a first output shaft (41), the hydraulic motor first port (42) being adapted to be connected to the hydraulic pump oil outlet port (33); and
the cutter shaft tube (5), the cutter shaft tube (5) is rotatably arranged at the lower end of the bracket (1), and the first output shaft (41) is suitable for being connected with the cutter shaft tube (5);
the device further comprises a first gearbox (6), wherein the input end of the first gearbox (6) is connected with the first input shaft (2), and the output end of the first gearbox (6) is suitable for being connected with the second input shaft (31);
a coupler (7) for connecting the output end of the first gearbox (6) and the second input shaft (31) is arranged between the first gearbox (6) and the second input shaft (31); the first gearbox (6) is a primary speed increasing gear;
the cutter shaft tube (5) further comprises a second gearbox (8), wherein the second gearbox input shaft (81) is suitable for being connected with a first output shaft (41) of the unidirectional variable hydraulic motor (4), and the second gearbox output shaft (82) is connected with the cutter shaft tube (5); the second gearbox (8) is a multi-stage reduction gear transmission.
2. The field rotary blade testing system according to claim 1, wherein a torque sensor (9) is arranged between the unidirectional variable hydraulic motor (4) and the second gearbox (8), one end of the torque sensor (9) is connected with the first output shaft (41), and the other end of the torque sensor (9) is connected with the second gearbox input shaft (81).
3. The field rotary blade testing system according to claim 1 or 2, wherein the second gearbox (8) is arranged at one side of the bracket (1) and is fixedly connected with the bracket (1) through a fastener.
4. The field rotary blade testing system according to claim 3, wherein the second gearbox (8) is fixedly connected with the support (1) through bolts (83), a plurality of first positioning holes are formed in the second gearbox (8), a plurality of second positioning holes are formed in the support (1), the first positioning holes and the second positioning holes are in one-to-one correspondence, and the bolts (83) sequentially penetrate through the first positioning holes and the second positioning holes.
5. The field rotary blade testing system of claim 1, further comprising a fifth wheel instrument (10), the fifth wheel instrument (10) being fixedly mounted on the stand (1) to measure the speed of the rotary blade testing system.
6. The field rotary blade testing system according to claim 5, wherein a connecting frame (11) is further arranged at the upper end of the bracket (1), and the tractor (13) is connected with the bracket (1) through the connecting frame (11).
7. The field rotary blade testing system according to claim 6, wherein the connecting frame (11) comprises a plurality of connecting rods (111) and an ear plate (112), the plurality of connecting rods (111) are fixedly connected with the bracket (1), and the ear plate (112) is provided with a pin hole suitable for connecting the tractor (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711129001.6A CN107727385B (en) | 2017-11-15 | 2017-11-15 | Field rotary blade test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711129001.6A CN107727385B (en) | 2017-11-15 | 2017-11-15 | Field rotary blade test system |
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| Publication Number | Publication Date |
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| CN107727385A CN107727385A (en) | 2018-02-23 |
| CN107727385B true CN107727385B (en) | 2024-03-22 |
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| CN201711129001.6A Active CN107727385B (en) | 2017-11-15 | 2017-11-15 | Field rotary blade test system |
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| CN (1) | CN107727385B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110702391B (en) * | 2019-10-14 | 2021-03-16 | 湖北工业大学 | Agricultural machinery rotating part vibration soil box experiment testing arrangement |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08298807A (en) * | 1995-05-09 | 1996-11-19 | Kubota Corp | Controller of working machine |
| JP2002223605A (en) * | 2001-02-02 | 2002-08-13 | Kubota Corp | Working vehicle |
| RU96718U1 (en) * | 2010-04-01 | 2010-08-20 | Государственное образовательное учреждение высшего профессионального образования "Мордовский государственный университет им. Н.П. Огарева" | EXPERIMENTAL TROLLEY FOR TEST STAND |
| CN102680265A (en) * | 2012-05-24 | 2012-09-19 | 河南中科机电科技集团有限公司 | Testing method of rotary deep scarification combined farming machine |
| CN202614536U (en) * | 2012-05-07 | 2012-12-19 | 兖州市山拖凯泰机械有限公司 | Comprehensive running-in test bed for agricultural machines |
| CN203884147U (en) * | 2014-05-06 | 2014-10-22 | 宁波中意液压马达有限公司 | Rotary cultivator |
| 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 |
| CN105067363A (en) * | 2015-08-12 | 2015-11-18 | 山东省农业机械科学研究院 | Rotary cultivator test bed |
| CN205389333U (en) * | 2016-03-20 | 2016-07-27 | 商旭东 | Hydraulic drive rotary cultivator |
| CN107046818A (en) * | 2017-05-05 | 2017-08-18 | 华中农业大学 | A kind of speed drives rotary cultivator than controlled hydraulic |
| CN207439666U (en) * | 2017-11-15 | 2018-06-01 | 农业部南京农业机械化研究所 | Field rotary blade test system |
-
2017
- 2017-11-15 CN CN201711129001.6A patent/CN107727385B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08298807A (en) * | 1995-05-09 | 1996-11-19 | Kubota Corp | Controller of working machine |
| JP2002223605A (en) * | 2001-02-02 | 2002-08-13 | Kubota Corp | Working vehicle |
| RU96718U1 (en) * | 2010-04-01 | 2010-08-20 | Государственное образовательное учреждение высшего профессионального образования "Мордовский государственный университет им. Н.П. Огарева" | EXPERIMENTAL TROLLEY FOR TEST STAND |
| CN202614536U (en) * | 2012-05-07 | 2012-12-19 | 兖州市山拖凯泰机械有限公司 | Comprehensive running-in test bed for agricultural machines |
| CN102680265A (en) * | 2012-05-24 | 2012-09-19 | 河南中科机电科技集团有限公司 | Testing method of rotary deep scarification combined farming machine |
| CN203884147U (en) * | 2014-05-06 | 2014-10-22 | 宁波中意液压马达有限公司 | Rotary cultivator |
| 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 |
| CN105067363A (en) * | 2015-08-12 | 2015-11-18 | 山东省农业机械科学研究院 | Rotary cultivator test bed |
| CN205389333U (en) * | 2016-03-20 | 2016-07-27 | 商旭东 | Hydraulic drive rotary cultivator |
| CN107046818A (en) * | 2017-05-05 | 2017-08-18 | 华中农业大学 | A kind of speed drives rotary cultivator than controlled hydraulic |
| CN207439666U (en) * | 2017-11-15 | 2018-06-01 | 农业部南京农业机械化研究所 | Field rotary blade test system |
Non-Patent Citations (1)
| Title |
|---|
| 手扶拖拉机配套旋耕机的扭矩测试装置的研究;李素青等;《福建农机》(第3期);第11-13页 * |
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| CN107727385A (en) | 2018-02-23 |
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