CN107515130A - A kind of rotary cutting test equipment - Google Patents
A kind of rotary cutting test equipment Download PDFInfo
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- CN107515130A CN107515130A CN201710764114.7A CN201710764114A CN107515130A CN 107515130 A CN107515130 A CN 107515130A CN 201710764114 A CN201710764114 A CN 201710764114A CN 107515130 A CN107515130 A CN 107515130A
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- cutting
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- stepper motor
- bearing
- test equipment
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/005—Testing of complete machines, e.g. washing-machines or mobile phones
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- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The present invention relates to farming and animal husbandry cutting mechanics technical field, specifically discloses a kind of rotary cutting test equipment, and the rotary cutting test equipment is made up of diced system, feed system and machine frame system.Diced system and feed system are optimized and design and be fixed in moveable mounting system by the present invention, having reached can use under a variety of occasions, and test job can be directly carried out in field, changing traditional experiment platform must be in laboratory and the drawbacks of needing more people's operations.Diced system is by driving stepper motor, stepper motor is connected with dynamic torque instrument by shaft coupling, cutting tool is fixed on cutting axis to be connected with dynamic torque instrument by shaft coupling, linked together by one piece of connecting plate and form diced system, dynamic torque instrument obtains cutting data and is sent in computer and stores in cutting process.
Description
Technical field
The present invention relates to farming and animal husbandry cutting mechanics technical field, more particularly to a kind of rotary cutting test equipment.
Background technology
Cutting is phenomenon very common in human being's production and life, such as forest felling and processing, farming in production
Processing of food raw material etc. is all closely related with cutting in the harvest of thing and the cutting process of stalk, daily life, but
The selection of cutting tool is often that people optimize design by experience, is entered without the cutting experiment by system
Row optimization design, at the same people to cutting method also without too many research, for example can not find optimal cutting angle and cutting
Speed etc..
Many scientific research personnel optimize to the cutting tool of agriculture field designs and devises cutting test platform, such as lucky
A kind of rotary maize straw cutting test platform of woods university design, the testing stand can carry out cutting test behaviour to maize straw
Make, but its haulage gear and cutting mechanism are separation, whole machine is excessively huge, and multiple person cooperational could carry out cutting examination
Test, and maize straw can only be fixed on haulage gear and could operated, it is impossible to directly carry out cutting for maize straw in field
Experiment is cut, therefore its application is subject to certain restrictions.A kind of also Jujun grasses stalk cutting test of University Of Agriculture and Forestry In Fujian's design
Platform, the testing stand use portal frame similar structures, and complicated, the angle of inclination adjustable range of vertical blades is smaller, and will be huge
Juncao stalk could carry out cutting test after fixing, and equally can not carry out cutting test under Jujun grasses nature growth conditions.
In summary, the problem of prior art is present be：(1) existing cutting test platform can not be naturally raw in cutting object
Cutting test is carried out when long, carries out cutting test after can only cutting object be fixed in laboratory；(2) existing cutting test
Platform is excessively huge, it is necessary to which more people, which operate, can just carry out cutting test simultaneously；(3) existing cutting test platform needs further excellent
Change, cutting angle adjustable extent is too small.
The content of the invention
The present invention is in order to overcome above-mentioned prior art problem present in, there is provided a kind of rotary cutting test equipment.
To achieve the above object, the present invention uses following technical scheme：
A kind of rotary cutting test equipment, including diced system, feed system and machine frame system, the diced system bag
Include the first supporting plate, the first stepper motor, first shaft coupling, dynamic torque instrument, clutch shaft bearing and first bearing seat, cutting axis,
Cutting tool, cutting tool grip block, clamp nut, first stepper motor connect the dynamic by first shaft coupling and turned round
One end of square instrument, the other end of the dynamic torque instrument connect the cutting axis by clutch shaft bearing, and the clutch shaft bearing is by institute
State clutch shaft bearing seat supports to fix, the cutting tool grip block is fixed on the cutting axis, and the cutting tool is by described
Cutting tool grip block clamps, and the clamp nut is anchored on one end of cutting axis, be close to the cutting tool grip block to prevent
Only the cutting tool loosens, and first supporting plate is by stepper motor, first shaft coupling, dynamic torque instrument, cutting axis, first
Bearing and first bearing seat are supported and fixed in coaxial height；The feed system include the second stepper motor, second shaft coupling,
Second bearing and second bearing seat, ball-screw, ball nut, a pair of line slideways and guide rail slide block, the second connecting plate, it is described
One end that second stepper motor connects the ball screw by second shaft coupling drives its rotation, the ball screw it is another
End connects the second bearing, and the second bearing is fixed by the second bearing seat supports, is provided with the ball screw
The ball nut, the ball nut and two pairs of guide rail slide blocks are linked together by the second connecting plate, two pairs of guide rails
Sliding block is symmetrical and is slidably mounted on a pair of line slideways, and a pair of line slideways are fixed in the second supporting plate, and described the
One supporting plate is fixed on two pairs of guide rail slide blocks；The machine frame system includes the base part for playing firm effect and can adjust to incline
The gear mechanism of rake angle, second supporting plate are fixedly connected with the base part.Above-mentioned described dynamic torque instrument can be
Cutting data is obtained in cutting process and is sent in computer and is stored, in order to the storage and analysis to cutting data, is obtained
Cutting data can be analyzed by big data analysis system, to improve conventional efficient.
Further, first supporting plate includes first level supporting plate and vertical with the first level supporting plate connected
The first vertical gripper shoe connect, some first installations are provided with the first level supporting plate and the first vertical gripper shoe
Hole, wherein, the first level supporting plate fixes first bearing seat and dynamic torque instrument by the first mounting hole set thereon,
First vertical gripper shoe fixes first stepper motor by the first mounting hole set thereon.First bearing seat and dynamic
State torquemeter can be cooperated by four bolts and mounting hole to be fixed in first level supporting plate, and the first stepper motor leads to
Cross four bolts and cooperated with mounting hole and is fixed in the first vertical gripper shoe, the steady of diced system can be improved by being arranged such
It is qualitative.
Further, second supporting plate includes the second horizontal supporting plate and the second vertical gripper shoe, and described second is perpendicular
Allotment fagging is two pieces and is provided with the second mounting hole, and one of second vertical gripper shoe fixes the by the second mounting hole
Two stepping motor, another piece of vertical gripper shoe fix second bearing by the second mounting hole, and second horizontal supporting plate is two
Block and respectively with two piece of second vertical gripper shoe vertical connection, two piece of second horizontal supporting plate is symmetrical, and described second is horizontal
Supporting plate is made up of a pair of L-shaped rails supporting plate and cross-brace plate.Wherein cross-brace plate is respectively used to support the second shaft coupling
Device and second bearing seat so that second shaft coupling and second bearing are done supported second bearing and be in coaxial height, and L-shaped is led
Mounting hole is provided with rail supporting plate, a pair of line slideways are fixed by the mounting hole.
Further, the gear mechanism of the adjustable tilt angle is by a little gear and big 1/4 tooth justified
Bar forms, and passes through rotary pinion, thus it is possible to vary the angle of inclination of the rack of 1/4 big circle.
Further, the range of tilt angles of the rack of the 1/4 big circle is 0~90 °.
Further, gear card article is installed below the little gear, tooth is controlled by the presence or absence of gear card article
Can wheel rotate.
Further, the base part includes pedestal and frame connecting shaft, the pedestal and frame connecting shaft integral type
Connection.
Beneficial effect is：Diced system and feed system are optimized and design and be fixed on movably by the present invention
In mounting system, having reached can use under a variety of occasions, and can directly carry out test job in field, change traditional experiment
Platform must be in laboratory and the drawbacks of needing more people's operations.Diced system is turned round by driving stepper motor, stepper motor and dynamic
Square instrument is connected by shaft coupling, and cutting tool is fixed on cutting axis to be connected with dynamic torque instrument by shaft coupling, passes through one piece
Connecting plate, which links together, forms diced system, and dynamic torque instrument obtains cutting data and is sent to computer in cutting process
Middle storage.Feed system is to be connected by an other driving stepper motor, stepper motor with ball-screw by shaft coupling, ball
It is furnished with ball nut on leading screw, ball nut is moved along a straight line by the rotation of ball-screw, ball-screw both sides also straight line is led
Rail, respectively there are two bearing sliders, ball nut and bearing slider to be linked together by one piece of connecting plate on line slideway, form
Feed system, diced system and feed system are linked together by connecting plate, you can realize the rotary motion of cutting and straight
Line moves.Machine frame system contains the rising tooth plate at adjustable cutting inclination angle, can change cutting by the rotation and fixation of tooth plate
Angle.Therefore, the present invention can realize carries out different rotary cutting speed, different feed speeds, no in field or laboratory
With cutting inclination angle and the cutting test of different cutting tools.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art.In all of the figs, similar element
Or part is typically identified by similar reference.In accompanying drawing, each element or part might not be drawn according to the ratio of reality.
Fig. 1 is diced system structural representation provided in an embodiment of the present invention；
Fig. 2 is the first supporting plate structure of diced system schematic diagram provided in an embodiment of the present invention；
Fig. 3 is the structural representation of feed system provided in an embodiment of the present invention：
Fig. 4 is the structural representation of the second supporting plate of feed system provided in an embodiment of the present invention：
Fig. 5 is the second connecting board structure schematic diagram of feed system provided in an embodiment of the present invention：
Fig. 6 is the structural representation of machine frame system provided in an embodiment of the present invention：
Fig. 7 is the structural representation that machine frame system provided in an embodiment of the present invention changes inclination angle：
Fig. 8 is a kind of structural representation of rotary cutting test equipment provided in an embodiment of the present invention.
Reference
Wherein 1 is diced system, and 11 be the first stepper motor, and 12 be first shaft coupling, and 13 be dynamic torque instrument, and 14 be
One bearing block, 15 be cutting axis, and 16 be cutting tool, and 17 be cutting tool grip block, and 18 be clamp nut, and 19 be the first support
Plate, 191 be the first vertical gripper shoe, and 192 be first level supporting plate, and 193 be the first mounting hole, and 120 be clutch shaft bearing, and 2 are
Feed system, 21 be the second stepper motor, and 22 be the second supporting plate, and 23 be ball-screw, and 24 be ball nut, and 25 be that guide rail is slided
Block, 26 be line slideway, and 27 be second bearing seat, and 28 be second bearing, and 29 be the second connecting plate, and 210 be second shaft coupling, 3
It is pedestal for machine frame system, 31,32 be frame connecting shaft, and 33 be the rack of 1/4 circle, and 34 be little gear, and 35 be gear card article.
Embodiment
With reference to embodiment, the present invention is further illustrated.
The present invention is achieved in that rotary cutting test equipment includes 3 systems, as follows：
(1) diced system；
(2) feed system；
(3) machine frame system；
1st, as shown in figure 1, diced system is comprising the first supporting plate 19, the first stepper motor 11, first shaft coupling 12, dynamic
State torquemeter 13, clutch shaft bearing and first bearing seat 14, cutting axis 15, cutting tool 16, cutting tool grip block 17, fastening spiral shell
Mother 18, first stepper motor 11 connect one end of the dynamic torque instrument 13 by first shaft coupling 12, and the dynamic is turned round
The other end of square instrument 13 connects the cutting axis by clutch shaft bearing, and the clutch shaft bearing 120 is by the first bearing seat 14
Support is fixed, and the cutting tool grip block 17 is fixed on the cutting axis 15, and the cutting tool 16 is by the cutting tool
Grip block clamping 17, the clamp nut 18 is anchored on one end of cutting axis 15, be close to the cutting tool grip block 17 to prevent
Only the cutting tool 16 loosens, first supporting plate 19 by stepper motor 11, first shaft coupling 12, dynamic torque instrument 13,
Cutting axis 15, clutch shaft bearing 19 and first bearing seat 14 are supported and fixed in coaxial height；It is fixed dynamic in equipment process
The position of state torquemeter 13, the clutch shaft bearing and first bearing seat 14 for designing cutting axis make its centre of gyration and dynamic torque instrument 13
The centre of gyration on same straight line.To make cutting process stably be advantageous to the collection of cutting data, cutting axis 15 should not mistake
Long or too short, the distance between two bearings are that 200~600mm is advisable.Cutting tool 16 is revolution cutting tool, passes through cutter
Have the fastening effect of grip block 17, the rotation of cutting tool is driven in the case where cutting axis rotate, according to cutting object not
Same to select to change different cutting tools, in order to preferably carry out the collection of cutting data, the diameter of cutting tool 16 exists
300~600mm is advisable.In cutting engineering in order to prevent cutting tool 16 from loosening, clamp nut 18 should be fastened on cutting axis.
The power resources of diced system are stepper motor 11, and rotating speed is according to the model difference difference, but be full of different stepper motors
The requirement of sufficient cutting test, maximum (top) speed should be in more than 1000r/min.The centre of gyration of the power output shaft of stepper motor 11 and dynamic
Point-blank, this is realized the centre of gyration of state torquemeter 13 by designing the first supporting plate of L-shaped, as shown in Fig. 2 institute
Stating the first supporting plate 19 includes first level supporting plate 192 and is erected with the first level supporting plate 192 connected vertically first
Allotment fagging 191, some first mounting holes are provided with the vertical gripper shoe 191 of first level supporting plate 192 and first
193, wherein, the first level supporting plate 192 is fixed first bearing seat 14 by the first mounting hole 193 set thereon and moved
State torquemeter 13, first vertical gripper shoe 191 fix the first stepping electricity by the first mounting hole 193 set thereon
Machine 11.First bearing seat 14 and dynamic torque instrument 13 can be cooperated by four bolts and mounting hole is fixed on first level
In supporting plate 192, the first stepper motor 11 is cooperated by four bolts and mounting hole is fixed on the first vertical gripper shoe 191
On, it is arranged such the stability that can improve diced system.
2nd, as shown in figure 3, the feed system 2 includes the second stepper motor 21, second shaft coupling 210, second bearing 28
And second bearing seat 27, ball-screw 23, ball nut 24, a pair of line slideways 26 and guide rail slide block 25, the second connecting plate 29,
One end that second stepper motor 21 connects the ball screw 23 by second shaft coupling 210 drives its rotation, the rolling
The other end of ballscrew 23 connects the second bearing 28, and the second bearing 28 supports fixation by the second bearing seat 27,
The ball nut 24, the ball nut 24 and two pairs of guide rail slide blocks 25 are installed on the ball screw 23 by second to connect
Fishplate bar 29 links together, and two pairs of guide rail slide blocks 25 are symmetrical and are slidably mounted on a pair of line slideways 26, a pair
Line slideway 26 is fixed in the second supporting plate 22, and first supporting plate 19 is fixed on two pairs of guide rail slide blocks 25；Feeding system
Difference, difference essentially consist in power and maximum turn for second stepper motor 21 of system 2 and the first stepper motor of diced system
Speed is less than the stepper motor of diced system.The effect of feed system is to be moved diced system in cut direction to cut to realize
Process is cut, it is achieved in that driving stepper motor ball-screw 23 is rotated, and is furnished with ball nut 24 on ball-screw 23,
The gyration of ball-screw 23 can only be converted into linear motion by ball nut 24 by after rotational restraint.Ball nut 24 by
To rotational restraint come from the line slideway 26 and guide rail slide block 25 of the both sides of ball-screw 23, wherein guide rail slide block 25 and ball
Nut 24 is linked together by the second connecting plate (as shown in Figure 5).To make the upper surface of guide rail slide block 25 and ball nut 24
Concordantly, the second supporting plate 22 of feed system is devised, as shown in figure 4, the size according to line slideway 26 and ball-screw 23
Devise the second supporting plate 22 so that pass through after coordinating the upper surface of rear rail sliding block 25 concordant with the upper surface of ball nut 24
Second connecting plate links together, and can smoothly be slided under the driving of ball-screw 23.
Further, as shown in figure 4, second supporting plate 22 includes the second horizontal supporting plate 222 and the second vertical branch
Fagging 221, second vertical gripper shoe 221 is two pieces and is provided with the second mounting hole 223, and one of second props up vertically
Fagging 221 fixes the second stepper motor 21 by the second mounting hole 223, and another piece of vertical gripper shoe 221 passes through the second mounting hole
223 fix second bearing 28, and second horizontal supporting plate 222 is two pieces and hung down respectively with two piece of second vertical gripper shoe 221
Direct-connected to connect, two piece of second horizontal supporting plate 222 is symmetrical, and second horizontal supporting plate 222 is by a pair of L-shaped rails supporting plate
2222 and cross-brace plate 2221 form.Wherein cross-brace plate 2221 is respectively used to support the axle of second shaft coupling 210 and second
Bearing 27 so that the second bearing 28 that second shaft coupling 210 and second bearing seat 27 are supported is in coaxial height, and L-shaped is led
Mounting hole is provided with rail supporting plate 2222, a pair of line slideways 26 are fixed by the mounting hole.Overall feed system 2 is installed
It is fixed in the second supporting plate 22, to maintain the firm of whole feed system 2.
3rd, machine frame system 3 includes the base part for playing firm effect and the tooth of adjustable tilt angle as described in Fig. 6 and Fig. 7
Mechanism is taken turns, second supporting plate 22 connects the base part；Base part includes pedestal 31, frame connecting shaft 32；It is described
The gear mechanism of adjustable tilt angle is made up of the rack 33 of 1/4 big circle of a little gear 34 and one, small by rotating
Gear 34, thus it is possible to vary the angle of inclination of the rack 33 of 1/4 big circle, the angle of inclination model of the rack 33 of the 1/4 big circle
Enclose for 0~90 °.The lower section of little gear 34 is provided with gear card article 35, and tooth is controlled by the presence or absence of gear card article 35
Can wheel rotate.Wherein pedestal 31 is firm motionless, and frame connecting shaft 32 supports whole cutting test equipment together.Adjust
Section cutting inclination angle is to be realized by the gear mechanism and little gear 34 of 1/4 circle by external toothing, can by rotate gear 34
To change the angle of inclination of the gear mechanism of 1/4 circle, so as to change the angle of inclination with the second supporting plate 22 of its connection, such as scheme
Shown in 7.Gear card article 35 is installed in the lower section of little gear 34, the effect of gear card article 35 is exactly to block turning for little gear 34
It is dynamic, so as to constant tilt angle.
Finally, diced system 1, feed system 2 and machine frame system are fitted together, as shown in Figure 8.Cutting after assembling
Its cutting test process of test equipment is as follows：According to the different growth conditions of cutting object, (pass through fixation after selecting cutting angle
Machine frame system is realized), the first stepper motor is opened to drive the rotary motion of cutting part, opens second stepper motor to drive
The feed motion of dynamic feed system, makes diced system to approach cutting object to realize cutting test.Diced system not in contact with
Before cutting object, dynamic torque instrument adjustable is zero point, and when diced system touches cutting object, dynamic torque instrument can be remembered
The moment variations of cutting tool are recorded, cutting data intermittent (such as 100 times per second) recorded by meter by data collecting card
In calculation machine system, when feed system is further moved until after diced system has cut cutting object, dynamic torque instrument recovers again
To zero point.It can further be changed into and cut with the change of torque in pictute cutting process by the change of record data
The change of power is cut, cutting power consumption can also be calculated by being multiplied by speed and clipping time.The said equipment is reasonable in design, feed system operation
Steadily, influence of the machine vibration to test error can be reduced.By the control system of computer, the first stepping can be controlled simultaneously
The start-up time of motor and the second stepper motor, running speed, drive manner etc., at the same at the time of can set data record and
Period, 1 people can complete cutting test test job.Reduce human error, improve the degree of accuracy of test.
Pass through above-described embodiment, it can be deduced that：Cutting test equipment of the present invention can change cutting rotating speed, cutting
Feed speed, inclination angle is cut to carry out cutting test, it is not necessary to fixed cutting object, while cutting tool can be changed to realize
The cutting test demand of different cutting tools.
Although the foregoing describing the embodiment of the present invention, it will be appreciated by those of skill in the art that these
It is merely illustrative of, protection scope of the present invention is defined by the appended claims.Those skilled in the art is not carrying on the back
On the premise of principle and essence from the present invention, various changes or modifications can be made to these embodiments, but these are changed
Protection scope of the present invention is each fallen within modification.
Claims (7)
1. a kind of rotary cutting test equipment, including diced system, feed system and machine frame system, it is characterised in that：It is described
Diced system includes the first supporting plate, the first stepper motor, first shaft coupling, dynamic torque instrument, clutch shaft bearing and clutch shaft bearing
Seat, cutting axis, cutting tool, cutting tool grip block, clamp nut, first stepper motor are connected by first shaft coupling
One end of the dynamic torque instrument, the other end of the dynamic torque instrument connect the cutting axis by clutch shaft bearing, and described
One bearing is fixed by the clutch shaft bearing seat supports, and the cutting tool grip block is fixed on the cutting axis, the cutting
Instrument is clamped by the cutting tool grip block, and the clamp nut is anchored on one end of cutting axis, is close to the cutting tool
Grip block to prevent the cutting tool from loosening, first supporting plate by stepper motor, first shaft coupling, dynamic torque instrument,
Cutting axis, clutch shaft bearing and first bearing seat are supported and fixed in coaxial height；The feed system include the second stepper motor,
Second shaft coupling, second bearing and second bearing seat, ball-screw, ball nut, a pair of line slideways and guide rail slide block, second
Connecting plate, one end that second stepper motor connects the ball screw by second shaft coupling drive its rotation, the rolling
The other end of ballscrew connects the second bearing, and the second bearing is fixed by the second bearing seat supports, the ball
The ball nut is installed on screw mandrel, the ball nut and two pairs of guide rail slide blocks are linked together by the second connecting plate,
Two pairs of guide rail slide blocks are symmetrical and are slidably mounted on a pair of line slideways, and a pair of line slideways are fixed on the second support
On plate, first supporting plate is fixed on two pairs of guide rail slide blocks；The machine frame system includes playing the base portion of firm effect
Divide and the gear mechanism of adjustable tilt angle, second supporting plate are fixedly connected with the base part.
A kind of 2. rotary cutting test equipment according to claim 1, it is characterised in that：First supporting plate includes
First level supporting plate and with the first level supporting plate the first vertical gripper shoe connected vertically, first level support
Some first mounting holes are provided with plate and the first vertical gripper shoe, wherein, the first level supporting plate by setting thereon
The first mounting hole for putting fixes first bearing seat and dynamic torque instrument, first vertical gripper shoe by set thereon first
Mounting hole fixes first stepper motor.
A kind of 3. rotary cutting test equipment according to claim 2, it is characterised in that：Second supporting plate includes
Second horizontal supporting plate and the second vertical gripper shoe, second vertical gripper shoe be two pieces and be provided with the second mounting hole,
One of second vertical gripper shoe fixes the second stepper motor by the second mounting hole, and another piece of vertical gripper shoe passes through second
Mounting hole fixes second bearing, and second horizontal supporting plate is two pieces and vertical with two piece of second vertical gripper shoe respectively connected
Connect, two piece of second horizontal supporting plate is symmetrical, and second horizontal supporting plate is by a pair of L-shaped rails supporting plate and cross-brace
Plate forms.
A kind of 4. rotary cutting test equipment according to claim 1, it is characterised in that：The adjustable tilt angle
Gear mechanism be made up of the rack of 1/4 big circle of a little gear and one, pass through rotary pinion, thus it is possible to vary big 1/
The angle of inclination of the rack of 4 circles.
A kind of 5. rotary cutting test equipment according to claim 4, it is characterised in that：The tooth of the 1/4 big circle
The range of tilt angles of bar is 0~90 °.
A kind of 6. rotary cutting test equipment according to claim 4, it is characterised in that：Installed below the little gear
There is gear card article, can rotating for gear be controlled by the presence or absence of gear card article.
A kind of 7. rotary cutting test equipment according to claim 1, it is characterised in that：The base part includes base
Seat and frame connecting shaft, the pedestal connect with frame connecting shaft integral type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710764114.7A CN107515130B (en) | 2017-08-30 | 2017-08-30 | Rotation type cutting test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710764114.7A CN107515130B (en) | 2017-08-30 | 2017-08-30 | Rotation type cutting test equipment |
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| CN107515130A true CN107515130A (en) | 2017-12-26 |
| CN107515130B CN107515130B (en) | 2020-05-22 |
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| CN201710764114.7A Active CN107515130B (en) | 2017-08-30 | 2017-08-30 | Rotation type cutting test equipment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109708910A (en) * | 2019-01-09 | 2019-05-03 | 江苏华频电子科技有限公司 | A kind of contrasting detection equipment of hand-held cutting machine |
| US20210164953A1 (en) * | 2019-12-03 | 2021-06-03 | University Of Idaho | Method and apparatus for analyzing stalk strength |
| CN113252492A (en) * | 2021-05-15 | 2021-08-13 | 南京林业大学 | Rotary sisal hemp blade cutting test bed |
| CN109708910B (en) * | 2019-01-09 | 2024-04-30 | 江苏华频电子科技有限公司 | Comparison detection equipment of handheld cutting machine |
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| CN113252492B (en) * | 2021-05-15 | 2022-04-22 | 南京林业大学 | Rotary sisal hemp blade cutting test bed |
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