CN107621365A - A kind of straw baling test platform - Google Patents
A kind of straw baling test platform Download PDFInfo
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- CN107621365A CN107621365A CN201711117631.1A CN201711117631A CN107621365A CN 107621365 A CN107621365 A CN 107621365A CN 201711117631 A CN201711117631 A CN 201711117631A CN 107621365 A CN107621365 A CN 107621365A
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Abstract
The invention discloses a kind of straw baling test platform, including power-transmission system, baling press, controller, device for transporting objects and hydraulic lifting system, power-transmission system includes a first driving means, and a torque sensor is connected between the output shaft and power input shaft of first driving means；One pull pressure sensor is installed, piston is provided with piston end surface pressure sensor on end face, platen pressure sensor is equipped with discharge chambe and the careless each wall in room of bundle on connecting rod；Torque sensor, pull pressure sensor, piston end surface pressure sensor and platen pressure sensor are connected with controller signals；Stalk is delivered on pickup by device for transporting objects；Hydraulic lifting system is used for the roller of elevator platform and baling press.The straw baling test platform signal acquisition is comprehensively accurate, using the teaching of the invention it is possible to provide the basic data of full and accurate agricultural crop straw baling operation research, more practical test data is provided for agricultural crop straw baling.
Description
Technical field
The present invention relates to agricultural machinery technological field, more particularly to a kind of straw baling test platform.
Background technology
Agricultural crop straw increasingly attracts attention as a kind of reproducible biomass resource, its value.At present,
The technical problem for restricting agricultural crop straw comprehensive utilization is mainly that agricultural crop straw stores up fortune problem.Although the present country has
The crop straw harvesting baling press of various models, but the overwhelming majority is the matured product of foreign imitation, lacks experiment number
According to as support, therefore, the operation effectiveness of baling press is not fine.
At present, some domestic experts and scholars have studied the baling mechanism of herbage and agricultural crop straw, but most of use
Enclosed Compression Study method, be very different with actual baling operation, small part open type compression experiment and use hydraulic compression
Mode, the baling experiment carried out in the ideal situation is different from baling press actual compression mode, therefore to the pressure of actual baling press
It is limited to tie task instruction meaning.
The content of the invention
It is an object of the invention to provide a kind of straw baling test platform, to solve the above-mentioned problems of the prior art,
Signal acquisition is comprehensively accurate, using the teaching of the invention it is possible to provide the basic data of full and accurate agricultural crop straw baling operation research, is agricultural crop straw pressure
Bundle provides more practical, effective test data.
To achieve the above object, the invention provides following scheme：
A kind of straw baling test platform of present invention offer, including power-transmission system, baling press, controller, material are defeated
Device and hydraulic lifting system are sent, the power-transmission system includes a first driving means, and the first driving means are set
In in a frame；The baling press front end is connected with the frame, and the baling press includes power input shaft, pickup, conveying
Feeding unit, feed chamber, piston compression device, discharge chambe, binding apparatus and the careless room of bundle, along stalk conveying direction, the compression
Room and the careless room of bundle are located at the binding apparatus front and back, the straw that the conveying feeding unit picks up pickup respectively
Stalk is delivered in the feed chamber, reciprocating by piston compression device, stalk is compressed in the discharge chambe, institute
State binding apparatus and bundling is carried out to the stalk after compression, and exported through the careless room of bundle；The output shaft of the first driving means
A torque sensor is connected between the power input shaft, the power input shaft is connected with a transmission mechanism, the biography
Power is conveyed on the toggle of the piston compression device by motivation structure, the connecting rod of the toggle from
Piston is connected by end, the transmission mechanism also transmits power to the pickup, the conveying feeding unit and the bundling
Device；One pull pressure sensor is installed, the piston is provided with piston end on the end face for compressing stalk on the connecting rod
Platen pressure sensing is equipped with face pressure force snesor, the discharge chambe and the top board, lower platen and side plate for tying careless room
Device；The torque sensor, the pull pressure sensor, the piston end surface pressure sensor and the platen pressure sensor
It is connected with the controller signals；The device for transporting objects is located at the side that the baling press is provided with the pickup,
Stalk is delivered on the pickup by the device for transporting objects；The hydraulic lifting system is used to support and lift the machine
Frame and the baling press.
Preferably, the hydraulic lifting system includes hydraulic station, hydraulic distributing valve and the multiple double acting liquid being sequentially connected
Cylinder pressure, the hydraulic station and the hydraulic distributing valve may be contained within the frame, the wheel shaft of the frame and the baling press
On be all connected with the cylinder body of the double acting hydraulic cylinder, the free end of the cylinder rod of each double acting hydraulic cylinder is connected with one
Seat.
Preferably, the first driving means output shaft passes sequentially through reducing axle sleeve and the first yielding coupling and the torsion
One end connection of square sensor, the other end of the torque sensor pass sequentially through the second yielding coupling, splined shaft and universal
Section is connected with the power input shaft of the baling press, and the optical axis end of the splined shaft connects with second yielding coupling
Connect, the Hua Jianduan of the splined shaft is connected with the universal joint, and the splined shaft is fixed on the frame by two bearing blocks
On；One first frequency converter is additionally provided with the frame, first frequency converter electrically connects with the first driving means；It is described
One end bottom of the frame away from the baling press is provided with directional wheel, and the frame is installed close to one end bottom of the baling press
There is universal wheel.
Preferably, the device for transporting objects includes support frame, the second drive device and conveyer belt, the second driving dress
Install and be placed on support frame as described above, the conveyer belt is horizontally placed at the top of support frame as described above, and second drive device drives
The conveyer belt operating.
Preferably, the lower band of the conveyer belt is located on the pickup elastic claw of the pickup close to one end of the pickup
Side；Support frame as described above bottom is provided with multiple supporting legs and multiple rollers in diverse location, and the roller can contact with ground, institute
State in supporting leg and be provided with liftable leg, the leg, which can stretch out the supporting leg and can raise support frame as described above, makes the rolling
Take turns liftoff.
Preferably, the top board of the discharge chambe, lower platen and biside plate are at least at one on the position of same cross section
It is provided with the platen pressure sensor, it is same at least at one on the top board of the careless room of bundle, lower platen and biside plate
The platen pressure sensor is provided with the position of cross section.
Preferably, close to being respectively provided with the binding apparatus on the top board of the discharge chambe, lower platen and biside plate
There is the platen pressure sensor；Close at the binding apparatus on the top board of the careless room of the bundle, lower platen and biside plate
It is provided with the platen pressure sensor；In the careless room of bundle on the top board, lower platen and biside plate for tying careless room
Exit position is provided with the platen pressure sensor.
Preferably, the platen pressure sensor is platen pressure sensor or side plate pressure sensor, the pressing plate pressure
Force snesor is arranged on the discharge chambe and/or the top board and/or lower platen of the careless room of bundle, the side plate pressure sensing
Device is arranged on the discharge chambe and/or the biside plate of the careless room of bundle.
Preferably, the platen pressure sensor includes platen sensor inner panel, platen sensor outside plate and multiple first
The top board of pressure sensor, the outer surface of the platen sensor inner panel and the discharge chambe and/or the careless room of bundle and/or
The inner surface of lower platen flushes, the top board of the platen sensor outside plate and the discharge chambe and/or the careless room of bundle and/or
Lower platen connects, the both ends of each first pressure sensor respectively with the platen sensor outside plate and the platen sensor
Inner panel connects.
Preferably, the side plate pressure sensor includes side plate sensor inner panel, side plate sensor outside plate and multiple second
Pressure sensor, the outer surface of the side plate sensor inner panel and the discharge chambe and/or the biside plate of the careless room of bundle it is interior
Surface is flushed, and the side plate sensor outside plate is connected with the biside plate of the discharge chambe and/or the careless room of bundle, and each described second
The both ends of pressure sensor are connected with the side plate sensor outside plate and the side plate sensor inner panel respectively.
The present invention achieves following technique effect relative to prior art：
Straw baling test platform in the present invention, set based on the common side feed-type press-baler for square bundle of in the market
Meter, can be that further research influences by testing the baling test data for obtaining the baling press during to straw baling
The Influencing Mechanism of crops baling quality and the Mechanism Optimization of baling press provide theoretical foundation and data supporting.Wherein power transmission
System is used to provide power, torque sensor, platen pressure sensor, pull pressure sensor and piston end surface pressure for baling press
Sensor can gather the pressure of main-shaft torque of the baling press during baling under different working condition, pressing plate and side plate in real time
The end force of power, the pressure of toggle and compression piston；Device for transporting objects can be uniform by agricultural crop straw
Feeding baling press in；Hydraulic lifting system can rise baling press and frame when carrying out baling experiment, make the car of baling press
Wheel disengages with ground, avoids baling press in the course of the work, produces the front and rear acquisition precision for shaking, influenceing data, it is ensured that
The signal collected accuracy of signal acquiring system.
First driving means are a variable-frequency motor, and hydraulic station is electric hydaulic station, and the driving of torque sensor measurement first fills
The output torque and rotating speed put, the power consumption of baling process is reacted, can test to obtain the optimal value of baling power consumption by baling.It is bent
The circular motion of handle linkage changes into the linear reciprocating motion of piston, and straw compression, the work of change are carried in discharge chambe
Lotus is that pull pressure sensor can measure side piston the main reason for causing baling press toggle fatigue and mode to be destroyed
Pulling force when during baling to pressure and the backhaul of institute's baling, pressure size required during baling is reacted, sought by experiment
Iptimum relationship when asking baling between pressure and institute's baling density；Piston end surface pressure sensor can carry out piston face pressure survey
Amount, platen pressure sensor measurement baling during and bundling after top board, lower platen and side plate to institute's baling
Pressure.The data transfer that above-mentioned each sensor measures is comprehensively accurate to controller, signal acquisition, using the teaching of the invention it is possible to provide full and accurate crops straw
The basic data of stalk baling operation research, technological approaches is provided for the optimization of baling mechanism；Controller is carried out at analysis to data
After reason, design can be optimized to baling press, lifts material, the intensity in baling mechanism heavy load region, carries out the structure of mechanism
Rearrange and strengthen, the compression frequency of regulating piston and the range of speeds of power input shaft.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the overall structure diagram of straw baling test platform provided by the invention；
Fig. 2 is the structural representation of the power-transmission system of straw baling test platform provided by the invention；
Fig. 3 is the structural representation of the piston compression device of straw baling test platform provided by the invention；
Fig. 4 is the structural representation of the platen pressure sensor and top board of straw baling test platform provided by the invention
Figure；
Fig. 5 is the structural representation of the platen pressure sensor of straw baling test platform provided by the invention；
Fig. 6 is the structural representation of the side plate pressure sensor of straw baling test platform provided by the invention.
In figure：1- baling presses；110- piston compression devices；120- binding apparatus；130- wheels；101- pickups；102-
Discharge chambe；103- ties careless room；104- connecting rods；105- pistons；106- top boards；2- hydraulic lifting systems；201- hydraulic stations；202-
Hydraulic distributing valve；203- double acting hydraulic cylinders；204- bearings；3- power-transmission systems；301- first driving means；302- first
Frequency converter；303- reducing axle sleeves；The yielding couplings of 304- first；305- splined shafts；306- bearing blocks；307- universal joints；308-
Second yielding coupling；4- device for transporting objects；401- support frames；The drive devices of 402- second；403- conveyer belts；404- branch
Leg；405- rollers；406- legs；The frequency converters of 407- second；501- torque sensors；502- pull pressure sensor；503- side plates
Pressure sensor；5031- side plate sensor outside plates；5032- side plate sensor inner panels；5033- second pressure sensors；504- lives
Fill in end force sensor；505- platen pressure sensors；5051- platen sensor outside plates；5052- platen sensor inner panels；
5053- first pressure sensors；6- frames；601- directional wheels；602- universal wheels.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
It is an object of the invention to provide a kind of straw baling test platform, to solve the above-mentioned problems of the prior art,
Signal acquisition is comprehensively accurate, using the teaching of the invention it is possible to provide the basic data of full and accurate agricultural crop straw baling operation research, is agricultural crop straw pressure
Bundle provides more practical test data.
In order to facilitate the understanding of the purposes, features and advantages of the present invention, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is further detailed explanation.
A kind of straw baling test platform, as shown in figs. 1 to 6, including power-transmission system 3, baling press 1, controller, thing
Material conveying device 4 and hydraulic lifting system 2, power-transmission system 3 include a first driving means 301, first driving means 301
It is arranged in a frame 6；The front end of baling press 1 is connected with frame 6, and baling press 1 includes power input shaft, pickup 101, conveys and feed
Enter device, feed chamber 102, piston compression device 110, discharge chambe 102, binding apparatus 120 and the careless room 103 of bundle, conveyed along stalk
Direction, discharge chambe 102 and the careless room 103 of bundle are located at the front and back of binding apparatus 120 respectively, convey feeding unit by pickup
101 stalks picked up are delivered in feed chamber 102, reciprocating by piston compression device 110, by stalk in discharge chambe 103
Inside it is compressed, binding apparatus 120 carries out bundling to the stalk after compression, and is exported through tying careless room 103；First driving means
A torque sensor 501 is connected between 301 output shaft and power input shaft, power input shaft is connected with a transmission mechanism,
Power is conveyed on the toggle of piston compression device 110 by transmission mechanism, the connecting rod 104 of toggle from
Piston is connected by end, transmission mechanism also transmits power to pickup 101, conveying feeding unit and binding apparatus 120；Such as Fig. 3
It is shown, a pull pressure sensor 502 is installed, piston 105 is provided with piston end on the end face for compressing stalk on connecting rod 104
Platen pressure biography is equipped with face pressure force snesor 504, discharge chambe 10 and the top board 106, lower platen and side plate of tying careless room 103
Sensor；The torque sensor 501, the pull pressure sensor 502, the piston end surface pressure sensor 504 and the plate
Formula pressure sensor is connected with the controller signals；Device for transporting objects 4 is located at baling press 1 and is provided with pickup 101
Stalk is delivered on pickup 101 by side, device for transporting objects 4；Hydraulic lifting system 2 is used to support and the He of elevator platform 6
Baling press 1.Hydraulic lifting system 2 includes hydraulic station 201, hydraulic distributing valve 202 and the multiple double acting hydraulic cylinders being sequentially connected
203, hydraulic station 201 and hydraulic distributing valve 202 be may be contained within frame 6, and double cropping is all connected with the wheel shaft of frame 6 and baling press 1
With the cylinder body of hydraulic cylinder 203, the free end of the cylinder rod of each double acting hydraulic cylinder 203 is connected with a bearing 204, bearing 204
Bottom contacts in frames 6 and baling press 1 with ground.
Straw baling test platform in the present embodiment, set based on the common side feed-type press-baler for square bundle of in the market
Meter, can be that further research influences by testing the baling test data for obtaining the baling press 1 during to straw baling
The Influencing Mechanism of crops baling quality and the Mechanism Optimization of baling press provide theoretical foundation and data supporting.Wherein power transmission
System 3 is used to provide power, torque sensor 501, platen pressure sensor, pull pressure sensor 502 and piston for baling press 1
End force sensor 504 can gather main-shaft torque of the baling press 1 during baling under different working condition, pressing plate in real time
The pressure of pressure, toggle and the end force of compression piston with side plate；Device for transporting objects 4 can be by farming
Thing stalk is uniformly fed in baling press 1；Hydraulic lifting system 2 can be by 6 liters of baling press 1 and frame when carrying out baling experiment
Rise, the wheel 130 of baling press 1 is disengaged with ground, avoid baling press 1 in the course of the work, produce front and rear vibrations, influence
The acquisition precision of data, it is ensured that the signal collected accuracy of signal acquiring system.
First driving means 301 are a variable-frequency motor in the present embodiment, and hydraulic station 201 is electric hydaulic station, torque sensing
Device 501 measures the output torque and rotating speed of first driving means 301, reacts the power consumption of baling process, can be tested by baling
Obtain the optimal value of baling power consumption.The circular motion of toggle changes into the linear reciprocating motion of piston 105, is compressing
To straw compression, the service load of change is the main original for causing the toggle of baling press 1 fatigue and mode to be destroyed for room 102
Cause, pull pressure sensor 502 can measure pulling force of the side piston 105 when during baling to pressure and the backhaul of institute's baling,
Pressure size required during baling is reacted, iptimum relationship when seeking baling by testing between pressure and institute's baling density；It is living
Plug end force sensor 504 can carry out the surface pressure measurement of piston 105, during the measurement baling of platen pressure sensor, with
And the pressure of top board 106, lower platen and side plate to institute's baling after bundling.The data transfer that above-mentioned each sensor measures
It is comprehensively accurate to controller, signal acquisition, using the teaching of the invention it is possible to provide the basic data of full and accurate agricultural crop straw baling operation research, to be baling
The optimization of mechanism provides technological approaches；After controller analyzes and processes to data, design can be optimized to baling press, is lifted
Material, the intensity in baling mechanism heavy load region, the structure for carrying out mechanism are rearranged and strengthened, the compression of regulating piston 105
The range of speeds of frequency and power input shaft.
As shown in Fig. 2 the output shaft of first driving means 301 passes sequentially through the yielding coupling 304 of reducing axle sleeve 303 and first
It is connected with one end of torque sensor 501, the other end of torque sensor 501 passes sequentially through the second yielding coupling 308, spline
Axle 305 and universal joint 307 are connected with the power input shaft of baling press 1, optical axis end and the second yielding coupling of splined shaft 305
308 connections, the Hua Jianduan of splined shaft 305 are connected with universal joint 307, and splined shaft 305 is fixed on frame by two bearing blocks 306
On 6；One first frequency converter 302 is additionally provided with frame 6, the first frequency converter 302 electrically connects with first driving means 301.
Set using said structure, wherein torque sensor 501 passes through the first yielding coupling 304 and first driving means
301 output axis connections, torque sensor 501 are connected by the second yielding coupling 308 with splined shaft 305, and the first driving dress
Axiality≤0.05mm of 301 output shafts and splined shaft 305 is put, torque sensing can be ensured with slowing down vibration, accurate transfer moment of torsion
The accuracy of the test result of device 501.Specifically, pull pressure sensor 502 is arranged on the company of baling press 1 by the bolt hole at both ends
On bar 104；Piston end surface pressure sensor 504 is arranged on the end face that piston 105 contacts with stalk to be compressed；Become by first
Frequency device 302 can change the rotating speed of first driving means 301, and realize straw baling operation stepless time adjustment and change piston 105
Compression frequency.
Straw baling test platform in the present embodiment, as shown in figure 1, double acting hydraulic cylinder 203 has 3 groups, every group has 2
It is individual, and 2 groups are provided with frame 6, it is separately mounted to the both ends of frame 6 along its length, have one group on baling press 1, be arranged on
On the wheel shaft of baling press 1；Hydraulic distributing valve 202 is hand-hydraulic distributing valve, and control hydraulic oil flow direction, hydraulic distributing valve 202 has 3
Individual joystick, and each joystick individually controls the lifting action of one group of double-act-ing hydraulic J-Horner 203.
As shown in Figure 1, 2, one end bottom of the frame 6 away from baling press 1 is provided with directional wheel 601, and frame 6 is close to baling press
1 one end bottom is provided with universal wheel 602, specifically, one end of frame 6 is connected to become one with the front end of baling press 1 by pin
Body, directional wheel 601 enable to straight line moving of the whole straw baling test platform along fixed-direction, and universal wheel 602 can 360
Degree rotation, adjust the angle of universal wheel 602, you can adjust the direction of travel of whole straw baling test platform.One end of frame 6
One end with baling press 1 is held to be connected as one by pin.
As shown in figure 1, device for transporting objects 4 includes support frame 401, the second drive device 402 and conveyer belt 403, second
Drive device 402 is arranged on support frame 401, and conveyer belt 403 is horizontally placed on the top of support frame 401, the second drive device 402
Conveyer belt 403 is driven to operate, the second drive device 402 is electrically connected to the second frequency converter 407.
The lower band of conveyer belt 403 is located above the pickup elastic claw of pickup 101 close to one end of pickup 101；Support frame
401 bottoms are provided with multiple supporting legs 404 and multiple rollers 405 in diverse location, and roller 405 can contact with ground, supporting leg 404
It is interior to be provided with liftable leg 406, leg 406 can stretch out supporting leg 404 and can lift support frame 401 make roller 405 liftoff.
Device for transporting objects 4 is set using said structure, in use, manually by laying straws in device for transporting objects 4
On conveyer belt 403, the second drive device 402 is variable-frequency motor, and the side of device for transporting objects 4 is located at the pickup 101 of baling press 1
Top, stalk drop on pickup 101 automatically, and pickup 101 operates stalk of pulling over and carries out baling operation to baling press 1 is interior.
Top board 106, lower platen and the biside plate of discharge chambe 102 are respectively provided with least at one on the position of same cross section
There is platen pressure sensor, tie on the top board 106, lower platen and biside plate of careless room 103 the same cross section at least at one
Platen pressure sensor is provided with position.
The straw baling test platform that the present embodiment provides, discharge chambe 102 and the careless room 103 of bundle are rectangular fluid chamber,
When measurement discharge chambe 102 or the careless 103 each wall of room of bundle are acted on the pressure of baling, measured simultaneously on same cross section
Pressure distribution on discharge chambe 102 or the careless 103 each wall of room of bundle, i.e. discharge chambe 102 or the careless room 103 of bundle are above and below same cross section
The wall of left and right four is designed with platen pressure sensor, and the center line of the platen pressure sensor on this cross section is located at same horizontal stroke
Section, the data of 4 platen pressure sensors measurement on same cross section can form one group of useful multi-faceted data, this
Sample test result is just more valuable, the top board of discharge chambe 102 and the careless room 103 of bundle in opening position corresponding to same cross section
106th, it is provided with platen pressure sensor on lower platen and biside plate.
In specific scheme, filled on the top board 106 of discharge chambe 102, lower platen and biside plate close to the bundling
Put and platen pressure sensor is provided with 120, the rear end of the platen pressure sensor at this is close to the binding apparatus 120
Front end, the pressure effect between 102 each wall of bale and discharge chambe after straw compression can be measured；Tie the upper of careless room 103
Close to being provided with platen pressure sensor at binding apparatus 120 on pressing plate 106, lower platen and biside plate, the plate at this
The front end of formula pressure sensor can measure bale after bale knots and tie careless room 103 close to the rear end of binding apparatus 120
Pressure effect between each wall；Tie and tying the careless exit position of room 103 on the top board 106, lower platen and biside plate of careless room 103
Platen pressure sensor is provided with, can measure will transfer out between the bale for tying careless room 103 and the careless 103 each wall of room of bundle
Pressure acts on.Tie the data that each platen pressure sensor in careless room 103 measures can react bale knot after expansion
Rate, the pressed density in discharge chambe 102 can be preferably adjusted by these data, to obtain the bale for meeting density requirements.
Platen pressure sensor is divided into platen pressure sensor 505 or side plate pressure sensor 503, platen pressure sensor
503 are arranged on discharge chambe 102 and/or the top board 106 and/or lower platen of the careless room 103 of bundle, and side plate pressure sensor 53 is set
In on the biside plate of discharge chambe 102 and/or the careless room 103 of bundle.
As shown in Figure 4,5, platen pressure sensor 505 includes platen sensor inner panel 5052, platen sensor outside plate
5051 and multiple first pressure sensors for being arranged between platen sensor inner panel 5052 and platen sensor outside plate 5051
553, in a platen pressure sensor 505, outer surface and discharge chambe 102 or the bundle grass of each platen sensor inner panel 5052
The top board 106 of room 103 or the inner surface of lower platen flush, each platen sensor outside plate 5051 and discharge chambe 102 or bundle grass
Top board 106 or the lower platen connection of room 103, each the between platen sensor inner panel 5052 and platen sensor outside plate 5051
The both ends of one pressure sensor 5053 are connected with platen sensor outside plate 5051 and platen sensor inner panel 5052 respectively.
As shown in fig. 6, side plate pressure sensor 503 includes side plate sensor inner panel 5032, side plate sensor outside plate 5031
And the multiple second pressure sensors 5033 being arranged between side plate sensor inner panel 5032 and side plate sensor outside plate 5031,
In one side plate pressure sensor 503, outer surface and discharge chambe 102 or the careless room 103 of bundle of each side plate sensor inner panel 5032
The inner surface of biside plate flush, the biside plate of each side plate sensor outside plate 5031 and discharge chambe 102 or the careless room 103 of bundle connects
Connect, the both ends difference of each second pressure sensor 5033 between side plate sensor inner panel 5032 and side plate sensor outside plate 5031
It is connected with side plate sensor outside plate 5031 and side plate sensor inner panel 5032.
Because pressure sensor gathers the above-mentioned of the platen pressure sensor that the data put individually are relatively difficult, in the present invention
Structure setting, multiple first pressure sensors are provided between platen sensor inner panel 5052 and platen sensor outside plate 5051
5053, and in side plate sensor inner panel 5032 and side plate sensor outside plate 5031 and multiple second pressure sensors 5033, will pass
Sensor is transformed into the platen pressure sensor of the whole series, makes the appearance of platen sensor inner panel 5052 and side plate sensor inner panel 5032
Face can be brought into close contact in the average pressure numerical value that on bale, can be gathered bale and act on upper and lower pressing plate or side plate, measurement
Structure is more accurate.
The platen pressure sensor 505 of the present embodiment platen sensor inner panel 5052 and platen sensor outside plate 5051 it
Between be provided with 2 first pressure sensors, 5053,2 first pressure sensors 5053 along discharge chambe 102 and tie the upper of careless room 103
The length direction of pressing plate 106 or lower platen is set, and 2 first pressure sensors 5053 are separately mounted to platen sensor inner panel
The both ends of 5052 length direction center lines, the centre-to-centre spacing of adjacent 2 second pressure sensors 5033 is 460mm.But this hair
The platen pressure sensor 505 of the straw baling test platform of bright offer is not limited to such a set-up mode, as long as being passed in pressing plate
Multiple first pressure sensors 5053 are provided between sensor inner panel 5052 and platen sensor outside plate 5051, can accurately be measured
The average pressure numerical value that bale is acted on upper and lower pressing plate.
The side plate pressure sensor 503 of the present embodiment side plate sensor inner panel 5032 and side plate sensor outside plate 5031 it
Between be provided with 4 second pressure sensors, 5033,4 second pressure sensors 5033 and be separately mounted to side plate sensor inner panel
On 5032 4 angles.But the side plate pressure sensor 503 of straw baling test platform provided by the invention be not limited to it is such a
Set-up mode, passed as long as being provided with multiple first pressures between side plate sensor inner panel 5032 and side plate sensor outside plate 5031
Sensor 5033, it can accurately measure the average pressure numerical value that bale is acted on side plate.First pressure in the present embodiment
Sensor 5053 and second pressure sensor 5033 are existing pressure sensor.
The straw baling test platform course of work that the present embodiment provides is as follows：Material is arrived into agricultural crop straw tiling first
In conveying device 4；Then hydraulic station 201 is started, manual control hydraulic distributing valve 202 makes it to the fuel feeding of double acting hydraulic cylinder 203
Frame 6 and baling press 1 are raised at the 12cm of ground by action；Subsequently start the first frequency converter 302, set as needed
The rotating speed of first driving means 301 and the compression frequency of piston 105, starting first driving means 301 makes baling press 1 start bundling
Operation；Subsequently start the second frequency converter 407, the rotating speed of the second drive device 402 is set according to feed quantity, start second and drive
Dynamic device 402 makes device for transporting objects 4 start to convey material operation, is tested：Torque sensor 501, platen pressure sensing
Device, pull pressure sensor 502 and piston end surface pressure sensor 504 gather the baling under different working condition of baling press 1 in real time
During main-shaft torque, upper lower platen and side plate to the end of the pressure of bale, the pressure of toggle and piston 105
Surface pressure, controller obtain baling test data of the baling press 1 during to straw baling, and related data of analyzing and researching
Influence to crops baling quality, and then optimize the structure of baling press 1；Finally after the completion of baling experiment, closing removes hydraulic pressure
Stand and frame 6 and baling press 1 are dropped into ground after 201 all power supplys, close the power supply of hydraulic station 201.
Specific case is applied in the present invention to be set forth the principle and embodiment of the present invention, above example
Illustrate to be only intended to help the method and its core concept for understanding the present invention；Meanwhile for those of ordinary skill in the art, according to
According to the thought of the present invention, in specific embodiments and applications there will be changes.In summary, this specification content
It should not be construed as limiting the invention.
Claims (10)
- A kind of 1. straw baling test platform, it is characterised in that：Including：Power-transmission system, the power-transmission system include a first driving means, and the first driving means are arranged at one In frame；Baling press, the baling press front end are connected with the frame, and the baling press includes power input shaft, pickup, conveying Feeding unit, feed chamber, piston compression device, discharge chambe, binding apparatus and the careless room of bundle, along stalk conveying direction, the compression Room and the careless room of bundle are located at the binding apparatus front and back, the straw that the conveying feeding unit picks up pickup respectively Stalk is delivered in the feed chamber, reciprocating by piston compression device, stalk is compressed in the discharge chambe, institute State binding apparatus and bundling is carried out to the stalk after compression, and exported through the careless room of bundle；The output shaft of the first driving means A torque sensor is connected between the power input shaft, the power input shaft is connected with a transmission mechanism, the biography Power is conveyed on the toggle of the piston compression device by motivation structure, the connecting rod of the toggle from Piston is connected by end, the transmission mechanism also transmits power to the pickup, the conveying feeding unit and the bundling Device；One pull pressure sensor is installed, the piston is provided with piston end on the end face for compressing stalk on the connecting rod Platen pressure sensing is equipped with face pressure force snesor, the discharge chambe and the top board, lower platen and side plate for tying careless room Device；Controller, the torque sensor, the pull pressure sensor, the piston end surface pressure sensor and the board-like pressure Force snesor is connected with the controller signals；Device for transporting objects, the device for transporting objects are located at the side that the baling press is provided with the pickup, the thing Stalk is delivered on the pickup by material conveying device；AndHydraulic lifting system, the hydraulic lifting system are used to support and lift the frame and the baling press.
- 2. straw baling test platform according to claim 1, it is characterised in that：The hydraulic lifting system is included successively Hydraulic station, hydraulic distributing valve and the multiple double acting hydraulic cylinders of connection, the hydraulic station and the hydraulic distributing valve may be contained within In the frame, the cylinder body of the double acting hydraulic cylinder is all connected with the wheel shaft of the frame and the baling press, it is each described The free end of the cylinder rod of double acting hydraulic cylinder is connected with a bearing.
- 3. straw baling test platform according to claim 1, it is characterised in that：The first driving means output shaft according to It is secondary to be connected by reducing axle sleeve and the first yielding coupling with one end of the torque sensor, the torque sensor it is another End passes sequentially through the second yielding coupling, splined shaft and universal joint and is connected with the power input shaft of the baling press, described The optical axis end of splined shaft is connected with second yielding coupling, and the Hua Jianduan of the splined shaft is connected with the universal joint, institute Splined shaft is stated to be fixed in the frame by two bearing blocks；It is additionally provided with one first frequency converter in the frame, described One frequency converter electrically connects with the first driving means；One end bottom of the frame away from the baling press is provided with directional wheel, and the frame is close to one end of the baling press Bottom is provided with universal wheel.
- 4. straw baling test platform according to claim 1, it is characterised in that：The device for transporting objects includes support Frame, the second drive device and conveyer belt, second drive device are arranged on support frame as described above, and the conveyer belt is horizontally disposed with At the top of support frame as described above, second drive device drives the conveyer belt operating.
- 5. straw baling test platform according to claim 4, it is characterised in that：The lower band of the conveyer belt is close to described One end of pickup is located above the pickup elastic claw of the pickup；Support frame as described above bottom is provided with multiple in diverse location Leg and multiple rollers, the roller can contact with ground, be provided with liftable leg in the supporting leg, the leg can be stretched Go out the supporting leg and can raise support frame as described above makes the roller liftoff.
- 6. straw baling test platform according to claim 1, it is characterised in that：The top board of the discharge chambe, push Plate and biside plate are provided with the platen pressure sensor at least at one on the position of same cross section, the careless room of bundle It is provided with the platen pressure sensing on top board, lower platen and biside plate on the position of same cross section at least at one Device.
- 7. straw baling test platform according to claim 6, it is characterised in that：The top board of the discharge chambe, push Close to being provided with the platen pressure sensor at the binding apparatus on plate and biside plate；The upper pressure of the careless room of bundle Close to being provided with the platen pressure sensor at the binding apparatus on plate, lower platen and biside plate；The careless room of bundle Top board, the exit position on lower platen and biside plate in the careless room of bundle be provided with the platen pressure sensor.
- 8. straw baling test platform according to claim 6, it is characterised in that：The platen pressure sensor is pressing plate Pressure sensor or side plate pressure sensor, the platen pressure sensor are arranged at the discharge chambe and/or the careless room of bundle Top board and/or lower platen on, the side plate pressure sensor is arranged at the both sides of the discharge chambe and/or the careless room of the bundle On plate.
- 9. straw baling test platform according to claim 8, it is characterised in that：The platen pressure sensor includes pressure Plate sensor inner panel, platen sensor outside plate and multiple first pressure sensors, the outer surface of the platen sensor inner panel with The inner surface of the top board and/or lower platen of the discharge chambe and/or the careless room of the bundle flushes, the platen sensor outside plate with The top board and/or lower platen connection of the discharge chambe and/or the careless room of bundle, the both ends point of each first pressure sensor It is not connected with the platen sensor outside plate and the platen sensor inner panel.
- 10. straw baling test platform according to claim 9, it is characterised in that：The side plate pressure sensor includes Side plate sensor inner panel, side plate sensor outside plate and multiple second pressure sensors, the outer surface of the side plate sensor inner panel Flushed with the inner surface of the discharge chambe and/or the biside plate of the careless room of bundle, the side plate sensor outside plate and the compression Room and/or the biside plate connection of the careless room of the bundle, the both ends of each second pressure sensor respectively with the side plate sensor Outside plate connects with the side plate sensor inner panel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711117631.1A CN107621365B (en) | 2017-11-13 | 2017-11-13 | Straw baling test platform |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711117631.1A CN107621365B (en) | 2017-11-13 | 2017-11-13 | Straw baling test platform |
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| CN107621365B CN107621365B (en) | 2023-09-29 |
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| CN108356941A (en) * | 2018-02-08 | 2018-08-03 | 冯云霞 | A kind of stalk braider |
| CN109916548A (en) * | 2019-03-15 | 2019-06-21 | 中国农业大学 | A kind of measuring device and measuring method of machine for forming cylindrical bale single steel rider and acting force between materials |
| CN111400836A (en) * | 2020-03-23 | 2020-07-10 | 塔里木大学 | Design optimization method and device for cutter tooth length and arrangement density of residual film recycling machine |
| CN114813194A (en) * | 2022-05-23 | 2022-07-29 | 中国农业大学 | Double-roller adjustable alfalfa modulation test device and method |
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| CN114813194B (en) * | 2022-05-23 | 2023-01-13 | 中国农业大学 | Double-roller adjustable alfalfa modulation test device and method |
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