CN110421649A - Chain saw cutting test platform and cutting test method - Google Patents
Chain saw cutting test platform and cutting test method Download PDFInfo
- Publication number
- CN110421649A CN110421649A CN201910385122.XA CN201910385122A CN110421649A CN 110421649 A CN110421649 A CN 110421649A CN 201910385122 A CN201910385122 A CN 201910385122A CN 110421649 A CN110421649 A CN 110421649A
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- Prior art keywords
- timber
- chain saw
- cutting test
- stepping
- lifting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
- B27B17/00—Chain saws; Equipment therefor
- B27B17/0041—Saw benches or saw bucks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
- B27B17/00—Chain saws; Equipment therefor
- B27B17/08—Drives or gearings; Devices for swivelling or tilting the chain saw
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
- B27B25/00—Feeding devices for timber in saw mills or sawing machines; Feeding devices for trees
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
- B27B29/00—Gripping, clamping, or holding devices for the trunk or log in saw mills or sawing machines; Travelling trunk or log carriages
- B27B29/02—Clamping angles; Gripping equipment thereon
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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
- G01M13/00—Testing of machine parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/58—Investigating machinability by cutting tools; Investigating the cutting ability of tools
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0053—Cutting or drilling tools
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- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention relates to a kind of chain saw cutting test platforms, it include: the rack of timber bearing stringer there are two upper end is set, set on the chain saw of rack front side top, timber stepping driving means on the downside of timber bearing stringer, set on rack side and the chain saw lifting device that is connect with chain saw one end, equipped with the timber pressing device for being located at the compression fork above timber bearing stringer and being located on rear side of chain saw, timber feeding device.The chain saw cutting test platform, cutting test labor intensity is small, and test efficiency is high, and test accuracy is high.
Description
Technical field
The present invention relates to woodwork power tool field, especially a kind of chain saw cutting test platform and cutting test method.
Background technique
Chain saw (electric chain saw, oily chain saw) is common woodwork power tool；To guarantee that chain saw quality, the performance of chain saw need
Carry out cutting test；Due to not having chain saw cutting test device, chain saw cutting test is carried out by man-hour manually hand-held chain saw, there is labour
Intensity is big, and test efficiency is low, the low deficiency of test accuracy, and therefore, it is small to design a kind of cutting test labor intensity, test efficiency
Height, the high chain saw cutting test platform of test accuracy and cutting test method, become urgent problem to be solved.
Summary of the invention
The purpose of the invention is to overcome at present due to not having chain saw cutting test device, chain saw cutting test is by artificial
Hand-held chain saw carries out, and there are large labor intensities, and test efficiency is low, and the low deficiency of test accuracy provides a kind of cutting test labor
Fatigue resistance is small, and test efficiency is high, the high chain saw cutting test platform of test accuracy and cutting test method.
The specific technical solution of the present invention is:
A kind of chain saw cutting test platform, comprising: upper end set there are two timber bearing stringer rack, set on rack front side top
Chain saw, the timber stepping driving means on the downside of timber bearing stringer, set on rack side and the chain that is connect with chain saw one end
Lifting device is sawed, equipped with the timber pressing device for being located at the compression fork above timber bearing stringer and being located on rear side of chain saw, timber
Feeding device.The chain saw cutting test platform is in use, timber is placed on two timber bearing stringers by timber feeding device
On, the front end of timber is located on front side of chain saw；The compression fork of timber pressing device, which moves downward, to be pushed down on the upside of timber；Chain saw lifting dress
It sets driving chain saw and moves downward cutting timber, the timber under cutting falls collection；Timber stepping driving means pushes timber forward
After moving a step pitch, continue cutting test.The chain saw cutting test platform, cutting test labor intensity is small, test
High-efficient, test accuracy is high.
Preferably, the timber stepping driving means includes: the lifting seat that lower end is equipped with several lifting guide pillars, if
The bottom plate for having number guide sleeve identical with lifting guide pillar number and being connect with rack lower part, the lifting seat driving gas being connect with bottom plate
Cylinder, two mounting blocks to connect one to one with lifting seat upper-end front and rear portion are sliding by longitudinal rail with mounting blocks upper end
The timber stepping of dynamic connection pushes seat, stepping propelling driving device；Lifting seat drives the piston rod of cylinder and lifting seat lower end to connect
It connects.Timber stepping driving means is simple and practical in structure.
Preferably, the timber stepping push seat includes: the pedestal equipped with longitudinal counterbore, the lid connecting with pedestal
Plate, it is multiple to be located at the stepping push component between two mounting blocks and being arranged in the vertical direction；It includes: set on pedestal that stepping, which pushes component,
The lateral lower through-hole of bottom, through-hole on cover board and in the transverse direction opposite with lateral lower through-hole, be arranged in lateral lower through-hole and
In transverse direction in through-hole and the pushing plate at the distance between width less than two timber bearing stringer relative inner end, two be located at it is vertical
Longitudinal counterbore bottom surface is pushed down in the blend stop to connect one to one into counterbore and with pushing plate front-end and back-end, two lower ends respectively
Pressure spring group；The upper end of two pressure spring groups connects one to one with two blend stop lower ends；Stepping propelling driving device is and lifting seat
The push cylinder of upper end connection；The piston rod of push cylinder is connect with pedestal rear end；The stroke of push cylinder is equal to or more than phase
The spacing of the pushing plate of adjacent two steppings push component；When original state, cover board upper end is stretched out in pushing plate upper end；Pushing plate lower end
It is flushed with pedestal lower end.Timber stepping push seat makes the pushing plate by the stepping push component pushed down on the downside of timber overcome pressure spring group
Resistance moves downward yielding, and the pushing plate of the stepping push component on rear side of timber blocks timber rear end and makees in push cylinder
It is travelled forward a step pitch with lower push timber, pushing plate is steady and precision is high.
Preferably, the chain saw lifting device includes: to be installed in rack front end side and be equipped with several vertical straights
The pedestal of line guide rail, the slide for connecting with the sliding block of vertical lines guide rail and being connect with chain saw one end, the chain saw being connect with pedestal
Lifting cylinder；The piston rod of chain saw lifting cylinder is connect with slide.Chain saw lifting device structure is simple and practical.
Preferably, the timber pressing device includes: the bracket connecting with one side of rack, the pressure connecting with bracket
Tight cylinder；The piston rod of compression cylinder is connect with fork upper end is compressed.The compression fork of timber pressing device compresses side compression on timber
It is firm.
Preferably, the height at two timber bearing stringer relative inner end is lower than the height of opposed outer ends.
Conducive to firm placement timber.
Preferably, the timber feeding device includes: the folding arm loop wheel machine for being installed in rack rear end side, it is lifted on
It folds and horizontal hangs hoisting tongs on the suspension hook of arm loop wheel machine.The folding arm loop wheel machine of timber feeding device horizontal is hung on hoisting tongs handling timber
Material is firm steady.
Preferably, the chain saw cutting test platform further include: the photoelectric sensor arteries and veins connecting with rack front end counts
Device, timer.Counter is conducive to cutting timber, and timer record cutting test is time-consuming.
A kind of cutting test method of chain saw cutting test platform, the chain saw cutting test platform are above-mentioned chain saw cut
Testing stand, step 1, the horizontal hoisting tongs that hangs vise timber, fold arm loop wheel machine handling timber and timber is placed on two timber bearings
On stringer, the front end of timber is located on front side of chain saw；The piston rod driving of step 2, the compression cylinder of timber pressing device compresses fork
It moves downward and pushes down on the upside of timber；The piston rod of step 3, the chain saw lifting cylinder of chain saw lifting device drives chain saw through slide
Cutting timber is moved downward, the timber under cutting falls collection, and photoelectric sensor arteries and veins counter counts the timber fallen；
Step 4, the piston rod driving of compression cylinder compress fork and move upwards reset, and the piston rod of chain saw lifting cylinder drives through slide
Chain saw moves upwards reset；Step 5, timber stepping driving means lifting seat driving cylinder piston rod drive lifting seat to
The pushing plate of upper movement, the stepping push component pushed down on the downside of timber overcomes pressure spring group resistance to move downward, after being located at timber
The pushing plate of the stepping push component of side blocks timber rear end；The piston rod driving timber stepping push seat of push cylinder is transported forward
Dynamic, the pushing plate driving timber of the stepping push component on rear side of timber travels forward after a step pitch, and lifting seat drives gas
The piston rod driving lifting seat of cylinder moves downward resets, under the effect of pressure spring group reset force, by the pushing plate pushed down of timber downside
Reset is moved upwards, the piston rod driving timber stepping push seat of push cylinder moves reset backward；Step 6 repeats step 2
To step 5 until completing timber cutting, timer record cutting test is time-consuming.The cutting of the chain saw cutting test platform tries
Proved recipe method, it is small to be able to satisfy cutting test labor intensity, and test efficiency is high, the high needs of test accuracy.
Compared with prior art, the beneficial effects of the present invention are: the chain saw cutting test platform, cutting test labour are strong
Small, test efficiency height is spent, test accuracy is high.Timber stepping driving means is simple and practical in structure.Timber stepping push seat make by
The pushing plate for the stepping push component pushed down on the downside of timber overcomes pressure spring group resistance to move downward yielding, the step on rear side of timber
Pushing plate into push component blocks timber rear end and push timber travels forward a step pitch under push cylinder effect, push
Plate is steady and precision is high.Chain saw lifting device structure is simple and practical.The compression fork of timber pressing device compresses side compression on timber
It is firm.The height at two timber bearing stringer relative inner ends is lower than the height of opposed outer ends, is conducive to firm placement timber.Wood
Expect that the folding arm loop wheel machine of feeding device, the horizontal hoisting tongs handling timber feeding that hangs consolidate steadily.Counter is conducive to cutting timber, timing
It is time-consuming that device records cutting test.The cutting test method of the chain saw cutting test platform, is able to satisfy cutting test labor intensity
Small, test efficiency is high, the high needs of test accuracy.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the invention；
Fig. 2 is the left view of Fig. 1；
Fig. 3 is the structural schematic diagram of timber stepping driving means.
In figure: timber support stringer 1, rack 2, chain saw 3, compress fork 4, lifting guide pillar 5, lifting seat 6, guide sleeve 7, bottom plate 8,
Lifting seat drives cylinder 9, mounting blocks 10, longitudinal rail 11, longitudinal counterbore 12, pedestal 13, cover board 14, lateral lower through-hole 15, cross
Upward through-hole 16, pushing plate 17, blend stop 18, pressure spring group 19, push cylinder 20, vertical lines guide rail 21, pedestal 22, slide 23,
Chain saw lifting cylinder 24, compression cylinder 26, folds arm loop wheel machine 27, horizontal hangs hoisting tongs 28, photoelectric sensor arteries and veins counter bracket 25
29, timer 30, timber 31.
Specific embodiment
The present invention is described further shown in reference to the accompanying drawing.
As shown in attached drawing 1, attached drawing 2, attached drawing 3: a kind of chain saw cutting test platform, comprising: upper end set there are two timber support
The rack 2 of stringer 1, set on the chain saw 3 of 2 front side top of rack, the timber stepping set on 1 downside of timber bearing stringer pushes dress
It sets, set on 2 side of rack and the chain saw lifting device that is connect with 3 one end of chain saw, is equipped with and is located at 1 top of timber bearing stringer and position
In the timber pressing device of the compression fork 4 of 3 rear side of chain saw, timber feeding device.
The timber stepping driving means includes: that lower end sets lifting seat 6 there are two lifting guide pillar 5, be equipped with number with
The bottom plate 8 they 5 numbers of lifting guide pillar identical guide sleeve 7 and be spirally connected with 2 lower part of rack drives cylinder with the lifting seat that bottom plate 8 is spirally connected
9, two correspond the mounting blocks 10 being spirally connected with 6 upper-end front of lifting seat and rear portion, are led with 10 upper end of mounting blocks by longitudinal
The timber stepping that rail 11 is slidably connected pushes seat, stepping propelling driving device；The piston rod and lifting seat of lifting seat driving cylinder 9
6 lower ends are spirally connected.
The described timber stepping push seat includes: the pedestal 13 equipped with longitudinal counterbore 12, the cover board 14 being spirally connected with pedestal 13,
It is multiple to be located at the stepping push component between two mounting blocks 10 and being arranged in the vertical direction；It includes: set on pedestal that stepping, which pushes component,
The lateral lower through-hole 15 of 13 bottoms, through-hole 16 on cover board 14 and in the transverse direction opposite with lateral lower through-hole 15, is arranged in cross
Into lower through-hole 15 and lateral upper through-hole 16 and less than two timber of width support pushing away for the distance between 1 relative inner end of stringer
Send plate 17, two are located in longitudinal counterbore 12 and correspond the blend stops 18 being spirally connected with 17 front-end and back-end of pushing plate, under two
The pressure spring group 19 of longitudinal 12 bottom surface of counterbore is pushed down respectively in end；The upper end of two pressure spring groups 19 is corresponded with two 18 lower ends of blend stop
Welding；Stepping propelling driving device is the push cylinder 20 being spirally connected with 6 upper end of lifting seat；The piston rod and pedestal of push cylinder 20
13 rear ends are spirally connected；The stroke of push cylinder 20 is equal to the spacing of the pushing plate 17 of two neighboring stepping push component；Original state
When, 14 upper end of cover board is stretched out in 17 upper end of pushing plate；17 lower end of pushing plate is flushed with 13 lower end of pedestal.The cross section of longitudinal counterbore 12
Shape is rectangle；The cross-sectional shape of through-hole 16 is rectangle on lateral lower through-hole 15, transverse direction；On lateral lower through-hole 15, transverse direction
Through-hole 16 respectively with 17 clearance fit of pushing plate.
The chain saw lifting device includes: to be installed in 2 front end side of rack and set there are two vertical lines guide rail 21
Pedestal 22, the slide 23 for being spirally connected with the sliding block of vertical lines guide rail 21 and being spirally connected with 3 one end of chain saw, the chain saw being spirally connected with pedestal 22
Lifting cylinder 24；The piston rod of chain saw lifting cylinder 24 is spirally connected with 23 lower end of slide.
The timber pressing device includes: the bracket 25 being spirally connected with 2 one side of rack, the compression gas being spirally connected with bracket 25
Cylinder 26；The piston rod of compression cylinder 26 is spirally connected with 4 upper ends of fork are compressed.
The height at two timber bearing, the 1 relative inner end of stringer is lower than the height of opposed outer ends.
The timber feeding device includes: the folding arm loop wheel machine 27 for being installed in 2 rear end side of rack, is lifted on folding arm
Horizontal on the suspension hook of loop wheel machine 27 hangs hoisting tongs 28.
The chain saw cutting test platform further include: the photoelectric sensor arteries and veins counter 29 that is spirally connected with 2 front end of rack, timing
Device 30.
A kind of cutting test method of chain saw cutting test platform, the chain saw cutting test platform are above-mentioned chain saw cut
Testing stand, step 1, the horizontal hoisting tongs 28 that hangs vise timber 31, fold 27 handling timber of arm loop wheel machine and timber is placed on two wood
On material bearing stringer 1, the front end of timber is located at 3 front side of chain saw；Step 2, the piston rod of the compression cylinder 26 of timber pressing device
Driving compression fork 4, which moves downward, to be pushed down on the upside of timber；Step 3, the piston rod warp of the chain saw lifting cylinder 24 of chain saw lifting device
Slide 23 drives chain saw 3 to move downward cutting timber, and the timber under cutting falls collection, and photoelectric sensor arteries and veins counter 29 is to falling
Under timber counted；Step 4, the piston rod driving of compression cylinder 26 compress fork 4 and move upwards reset, chain saw lifting air
The piston rod of cylinder 24 drives chain saw 3 to move upwards reset through slide 23；Step 5, the lifting seat driving of timber stepping driving means
The piston rod driving lifting seat 6 of cylinder 9 moves upwards, and the pushing plate 17 for the stepping push component pushed down on the downside of timber overcomes pressure
19 resistance of spring group moves downward, and the pushing plate 17 of the stepping push component on rear side of timber blocks timber rear end；Push cylinder
20 piston rod driving timber stepping push seat travels forward, and the pushing plate 17 of the stepping push component on rear side of timber drives
Timber travels forward after a step pitch, and the piston rod driving lifting seat 6 of lifting seat driving cylinder 9 moves downward reset, in pressure spring
Under group 19 reset forces effect, reset, the piston rod driving of push cylinder 20 are moved upwards by the pushing plate 17 pushed down on the downside of timber
Timber stepping push seat moves reset backward；Step 6 repeats step 2 to step 5 until completing timber cutting, timer 30
It is time-consuming to record cutting test.
In addition to the implementation, within the scope of the claims of the present invention and the specification, skill of the invention
Art feature or technical data can be reselected and be combined, to constitute new embodiment, these are all art technologies
Personnel are without carrying out what creative work can be realized, therefore the embodiment that these present invention are not described in also should be regarded as this
The specific embodiment of invention and within protection scope of the present invention.
Claims (9)
1. a kind of chain saw cutting test platform, comprising: upper end is set there are two the rack of timber bearing stringer, is set to rack front side top
Chain saw, characterized in that the chain saw cutting test platform further include: set on timber bearing stringer on the downside of timber stepping push
Device is equipped with and is located above timber bearing stringer and position set on rack side and the chain saw lifting device that connect with chain saw one end
The timber pressing device of compression fork on rear side of chain saw, timber feeding device.
2. chain saw cutting test platform according to claim 1, it is characterized in that: the timber stepping driving means includes:
Lower end is equipped with the lifting seat of several lifting guide pillars, is equipped with number guide sleeve identical with lifting guide pillar number and connects with rack lower part
The bottom plate connect, the lifting seat driving cylinder connecting with bottom plate, two connect one to one with lifting seat upper-end front and rear portion
Mounting blocks push seat, stepping propelling driving device by the timber stepping that longitudinal rail is slidably connected with mounting blocks upper end；Lifting
The piston rod of seat driving cylinder is connect with lifting seat lower end.
3. chain saw cutting test platform according to claim 2, it is characterized in that: the timber stepping push seat includes: to set
There is the pedestal of longitudinal counterbore, the cover board connecting with pedestal is multiple to be located at the stepping between two mounting blocks and being arranged in the vertical direction and push away
Sending component；Stepping push component includes: the lateral lower through-hole set on pedestal bottom, is set on cover board and opposite with lateral lower through-hole
Transverse direction on through-hole, be arranged in lateral lower through-hole and laterally upper through-hole and less than two timber bearing stringer relative inners of width
The pushing plate at the distance between end, two are located at the gear to connect one to one in longitudinal counterbore and with pushing plate front-end and back-end
The pressure spring group of longitudinal counterbore bottom surface is pushed down in item, two lower ends respectively；The upper end of two pressure spring groups and two blend stop lower ends one are a pair of
It should connect；Stepping propelling driving device is the push cylinder connecting with lifting seat upper end；After the piston rod and pedestal of push cylinder
End connection；When original state, cover board upper end is stretched out in pushing plate upper end.
4. chain saw cutting test platform according to claim 1, it is characterized in that: the chain saw lifting device includes: to be fixedly mounted with
In rack front end side and it is equipped with the pedestals of several vertical lines guide rails, is connect with the sliding block of vertical lines guide rail and and chain saw
The slide of one end connection, the chain saw lifting cylinder being connect with pedestal；The piston rod of chain saw lifting cylinder is connect with slide.
5. chain saw cutting test platform according to claim 1, it is characterized in that: the timber pressing device includes: and platform
The bracket of one side of frame connection, the compression cylinder being connect with bracket；The piston rod of compression cylinder is connect with fork upper end is compressed.
6. chain saw cutting test platform according to claim 1, it is characterized in that: two timber bearing stringer is relatively interior
The height of side is lower than the height of opposed outer ends.
7. according to claim 1 to any chain saw cutting test platform of claim 6, it is characterized in that: on the timber
Expect device include: the folding arm loop wheel machine for being installed in rack rear end side, be lifted on fold arm loop wheel machine suspension hook on it is horizontal sling weight
Pincers.
8. according to claim 1 to any chain saw cutting test platform of claim 6, it is characterized in that: further include: with rack
Photoelectric sensor arteries and veins counter, the timer of front end connection.
9. a kind of cutting test method of chain saw cutting test platform, the chain saw cutting test platform is claim 1 to right
It is required that 8 any chain saw cutting test platforms, it is characterized in that: step 1, the horizontal hoisting tongs that hangs vises timber, folds arm loop wheel machine and hangs
It transports timber and timber is placed on two timber bearing stringers, the front end of timber is located on front side of chain saw；Step 2, timber compress
The piston rod driving of the compression cylinder of device is compressed to pitch to move downward and be pushed down on the upside of timber；Step 3, the chain of chain saw lifting device
The piston rod for sawing lifting cylinder moves downward cutting timber through slide driving chain saw, and the timber under cutting falls collection, photoelectric transfer
Sensor arteries and veins counter counts the timber fallen；Step 4, the piston rod driving of compression cylinder compress fork and move upwards again
The piston rod of position, chain saw lifting cylinder moves upwards reset through slide driving chain saw；Step 5, the liter of timber stepping driving means
The piston rod driving lifting seat of drop seat driving cylinder moves upwards, the pushing plate gram for the stepping push component pushed down on the downside of timber
It takes pressure spring group resistance to move downward, the pushing plate of the stepping push component on rear side of timber blocks timber rear end；Push cylinder
Piston rod driving timber stepping push seat travel forward, the pushing plate of stepping on rear side of timber push component drives timber
After the step pitch that travels forward, the piston rod driving lifting seat of lifting seat driving cylinder moves downward reset, resets in pressure spring group
Under power effect, reset, the piston rod driving timber stepping push of push cylinder are moved upwards by the pushing plate pushed down on the downside of timber
Movement resets seat backward；Step 6 repeats step 2 to step 5 until completing timber cutting, and timer record cutting test consumes
When.
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| CN201910385122.XA CN110421649B (en) | 2019-05-09 | 2019-05-09 | Chain saw cutting test bed and cutting test method |
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| CN201910385122.XA CN110421649B (en) | 2019-05-09 | 2019-05-09 | Chain saw cutting test bed and cutting test method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113406605A (en) * | 2021-06-22 | 2021-09-17 | 国家海洋技术中心 | Container of integrated towed detection sonar system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113406605A (en) * | 2021-06-22 | 2021-09-17 | 国家海洋技术中心 | Container of integrated towed detection sonar system |
| CN113406605B (en) * | 2021-06-22 | 2022-11-11 | 国家海洋技术中心 | Container of integrated towed detection sonar system |
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