CN108000611A - A kind of railway track plate expansion joint environmental protection cutting and elimination saw - Google Patents
A kind of railway track plate expansion joint environmental protection cutting and elimination saw Download PDFInfo
- Publication number
- CN108000611A CN108000611A CN201711470611.2A CN201711470611A CN108000611A CN 108000611 A CN108000611 A CN 108000611A CN 201711470611 A CN201711470611 A CN 201711470611A CN 108000611 A CN108000611 A CN 108000611A
- Authority
- CN
- China
- Prior art keywords
- saw
- saw blade
- block
- environmental protection
- expansion joint
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000008030 elimination Effects 0.000 title claims abstract description 17
- 238000003379 elimination reaction Methods 0.000 title claims abstract description 17
- 230000007613 environmental effect Effects 0.000 title claims abstract description 17
- 238000005498 polishing Methods 0.000 claims abstract description 28
- 230000001681 protective effect Effects 0.000 claims abstract description 18
- 239000000428 dust Substances 0.000 claims abstract description 15
- 210000004907 gland Anatomy 0.000 claims description 17
- 239000004567 concrete Substances 0.000 abstract description 4
- 239000004033 plastic Substances 0.000 abstract description 4
- 229920003023 plastic Polymers 0.000 abstract description 4
- 238000004140 cleaning Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 3
- 241000763859 Dyckia brevifolia Species 0.000 description 41
- 238000010586 diagram Methods 0.000 description 10
- 239000006260 foam Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000009411 base construction Methods 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000004746 geotextile Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- -1 limiting groove Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002984 plastic foam Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011376 self-consolidating concrete Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/18—Means for removing cut-out material or waste
- B26D7/1845—Means for removing cut-out material or waste by non mechanical means
- B26D7/1863—Means for removing cut-out material or waste by non mechanical means by suction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/04—Cleaning by suction, with or without auxiliary action
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/22—Single-purpose machines or devices for particular grinding operations not covered by any other main group characterised by a special design with respect to properties of the material of non-metallic articles to be ground
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention belongs to railroad construction field, and in particular to a kind of railway track plate expansion joint environmental protection cutting and elimination saw.Saw block including saw body, arranged on the line shaft sawed in body body, the saw block being sheathed on line shaft, the protective cover for being fixedly arranged on the saw body and covering on the saw block, the adjustable support being articulated with protective cover, slotting of the saw block including being located at center and be located in the polishing saw blade of slotting saw block both sides.Slotting saw block includes single saw blade that multi-disc overlapping is set.The polishing saw blade for the overlapping both sides that the application passes through middle multi-disc list saw blade, so as to which directly by the foamed plastics in seam, disposably plane is clean, and then directly polished off when running into the unnecessary concrete in both sides by saw blade of polishing, all dust for digging or polishing are collected totally, by once, whole seam is fitly come out by saw, while sawed posterior restoration seam is straight woth no need to the miscellaneous dirt of secondary cleaning, the time is cost savings, improves efficiency.
Description
Technical field
The invention belongs to railroad construction field, and in particular to a kind of railway track plate expansion joint environmental protection cutting and elimination saw.
Background technology
Conventional high-speed railway is to use a kind of new III plate-type non-fragment orbits of template CRTS, its structure by rail, fastener,
The part groups such as precast track plate, self-compacting concrete, limiting groove, intermediate isolating layer (geotextiles) and reinforced concrete footing
Into;Wherein base is reinforced concrete structure, and net is welded using double steel bar.Base (transverse direction) expansion joint width is 20mm, is used
Polystyrol plastic foam plate joint filling, when construction, are embedded into base;After the completion of base construction, 20mm is cut at expansion joint
The seam of × 20mm, is sealed using organosilicon caulking material.The unnecessary concrete in conventional method expansion joint processing expansion joint both sides should
Bit by bit removed with hammer, chisel and angle grinder, for example grind a little or rise and a little draw edge again, it is time-consuming and laborious, and draw,
The application angle grinders such as any excess foam plastics, debris, rubble after having ground in seam and straight screwdriver are cleared up.Above-mentioned operation
Trouble, inconvenient, environmental pollution is big.
The content of the invention
The purpose of the present invention is provide a kind of railway track plate expansion joint environmental protection cutting and elimination saw regarding to the issue above.
The present invention above-mentioned technical purpose technical scheme is that：
A kind of railway track plate expansion joint environmental protection cutting and elimination saw, including saw body, the line shaft in saw body body, be sheathed on
Saw block on line shaft, the protective cover for being fixedly arranged on the saw body and covering on the saw block, be articulated with it is described anti-
Adjustable support on shield, the slotting that the saw block is included positioned at center saw block and are located in beating for the slotting saw block both sides
Grind saw blade.
Preferably, the slotting saw block includes single saw blade that multi-disc overlapping is set.
Preferably, the protective cover backside top is equipped with the dust suction hole post communicated with the protective cover cover chamber, the suction
Pipeline is connected with dirt hole post, the pipe end connects dust collection equipment.
Preferably, the line shaft is equipped with the covered joint seat with the saw block socket, the covered joint seat is equipped with set
Spindle, clip plate and outer press cover with the socked shaft threaded, the saw block are sheathed on the socked shaft, the set
Spindle center is equipped with the column with inner bolt hole and beyond the socked shaft that is spirally connected, and the column outer circumferential surface that is spirally connected is equipped with anti-deflection
Section, clip plate and the outer press cover center offer the through hole being adapted to the outer surface of column that is spirally connected, are set on the outer press cover
There is the nut being spirally connected through the outer press cover and the column that is spirally connected.
Preferably, the circle pressure edge that week is sawed on block along being pressed on equipped with protrusion on the inside of the outer press cover, the pressure edge
It is sheathed on outside the socked shaft and is pressed on the outer surface of the saw block, the length of the socked shaft is not less than two panels polishing saw
The sum of thickness of piece and 8 slotting saw blocks.
Preferably, the socked shaft outer circumferential surface be equipped with prevent between adjacent single saw blade or polishing saw blade and single saw blade it
Between with respect to slide positioning section, it is described list saw blade and polishing saw blade center sleeve joint hole be equipped with and it is described positioning section matching
The straight flange portion of conjunction；Or two spacing prick posts are at least arranged with the covered joint seat, the list saw blade and polishing saw blade are accordingly
Offer the limit hole for being pierced by the spacing prick post.
Preferably, the adjustable support rear end is hinged with the protective cover, front end passes through the arc with a word through hole
Bar is adjusted with the protective cover and is connected.
Preferably, the adjustable support includes mainboard, on mainboard bottom surface and positioned at two marks of saw block both sides
Show lath, the sign lath at least front end forms sign section beyond the mainboard front end, offered on shown mainboard for wearing
Go out the through hole of the saw block, the front and rear of the mainboard is offered for installing sign lath perpendicular to the sign section
A word length hole, and the sign lath at least adjacent to line shaft outer end is adjustably coupled on the word length hole.
Preferably, determine on the socked shaft towards being provided with the gland that gos deep into the socked shaft on the end face of the outer press cover
Position hole, the outer press cover is interior to be equipped with the gland cutting for being inserted into the gland location hole, and the gland cutting is relative to the pressure edge
Shrink in the outer press cover.
Preferably, the gland location hole is the arcuate socket being coaxially disposed with socked shaft, the gland cutting is transversal
The arc-shaped arc cutting in face, and the arc length of arc cutting is shorter than the arc length of arcuate socket, single saw is carpenter's saw
Piece, the list saw blade include the sub-pieces and master slice of alternate setting, and the unilateral symmetrical each protrusion in both sides of the sub-pieces has a grafting
Column, the master slice are equipped with two spliced eyes that can be inserted into the inserting column, and the inserting column, which is highly less than, finds single saw blade
Thickness, it is described polishing saw blade be equipped with a spliced eye and an inserting column.
In conclusion the invention has the advantages that：
1st, the polishing saw blade for the overlapping both sides that the application passes through middle multi-disc list saw blade, so that directly by the foamed plastics in seam
Disposable plane is clean, and while running into the unnecessary concrete in both sides is then directly polished off by saw blade of polishing, all to dig or beat
Grind the dust come to be collected totally through protective cover, dust suction hole post and pipeline under the action of dust collection equipment, accomplish without any letup, it is whole
A seam is fitly come out by saw, while sawed posterior restoration seam is straight woth no need to the miscellaneous dirt of secondary cleaning, when cost savings
Between, improve efficiency.The width of block is entirely sawed in the superposition for how much the piece numbers that the application passes through single saw blade to control, so as to suitable
For opening different size of seam, wide adaptation range, controllability is strong, and convenient for disassembly and assembly.The application by position section or son,
The setting of master slice to realize so as to opposite cannot sliding between single saw blade, it is ensured that and it is non-slip between saw blade, so as to ensure that once
Slotting（Open seam）Efficient, effective progress.The application also by indicating the design of lath, makes operator more intuitively right
Quasi- seam carries out slotting, ensures accurate contraposition and carries out slotting as the crow flies, greatly improves the efficiency, and indicate lath can be according to connecing
Slit width degree difference is adjusted with saw block width difference, and guarantee precisely takes the air line.
2nd, the relation specifically coordinated between the covered joint seat of the application, socked shaft, clip plate and outer press cover, both easy to peace
Dress, sets suitable for single saw blade of different the piece numbers, adjusts master just, while also ensures the stability of installation positioning, easy to align.
3rd, the application is simple in structure, easy to process, and cost is low, simple operation.
Brief description of the drawings
Fig. 1 is the application structure diagram one；
Fig. 2 is the application structure diagram two；
Fig. 3 is the application fragmentary bottom structure diagram；
Fig. 4 is covered joint seat and miscellaneous part fit structure schematic diagram；
Fig. 5 is covered joint seat structure diagram；
Fig. 6 is single saw blade with straight flange portion and polishing saw-blade structure schematic diagram；
Fig. 7 is the single saw blade and polishing saw-blade structure schematic diagram of limit hole；
Fig. 8 is the covered joint seat structure diagram with spacing prick post；
Fig. 9 is master slice structure schematic diagram；
Figure 10 is sub-pieces structure diagram.
Embodiment
The present invention is described in further detail below in conjunction with attached drawing.
This specific embodiment is only explanation of the invention, it is not limitation of the present invention, people in the art
Member as needed can make the present embodiment the modification of no creative contribution after this specification is read, but as long as at this
All protected in the right of invention be subject to Patent Law.
Embodiment one：
A kind of railway track plate expansion joint environmental protection cutting and elimination saw, it is characterised in that：Including saw body 1, in saw body body
Line shaft, the saw block being sheathed on line shaft, be fixedly arranged on the saw body and cover at the protective cover on the saw block
2nd, the adjustable support 3 being articulated with the protective cover, the slotting that the saw block is included positioned at center are sawed block 4 and are located in described
The polishing saw blade 5 of slotting saw block both sides.
The slotting saw block includes single saw blade 41 that multi-disc overlapping is set.The protective cover backside top is equipped with to be prevented with described
The dust suction hole post 61 that shield cover chamber communicates, pipeline 62 is connected with the dust suction hole post, and the pipe end connects dust collection equipment
63。
The line shaft be equipped with it is described saw block socket covered joint seat 71, the covered joint seat be equipped with socked shaft 72,
With the clip plate and outer press cover 73 of the socked shaft threaded, the saw block is sheathed on the socked shaft, the socket
Axis center is equipped with the column 74 with inner bolt hole and beyond the socked shaft that is spirally connected, and the column outer circumferential surface that is spirally connected is equipped with anti-deflection
Section 75, the clip plate 77 and outer press cover center offer the through hole being adapted to the outer surface of column that is spirally connected, the outer press cover
On be provided through the nut 76 that the outer press cover and the column that is spirally connected are spirally connected.
Week is along equipped with the raised circle pressure being pressed on saw block, along 731, the pressure edge is sheathed on the inside of the outer press cover
The socked shaft is outer and is pressed on the outer surface of the saw block, and the length of the socked shaft is not less than two panels polishing saw blade and 8
The sum of thickness of piece slotting saw block.
Embodiment two：
It is unlike the embodiments above be in be equipped with the socked shaft outer circumferential surface prevent between adjacent single saw blade or polishing saw blade
Between single saw blade with respect to slide positioning section, it is described list saw blade and polishing saw blade center sleeve joint hole equipped with it is described fixed
The position matched straight flange portion 51 in section；Or two spacing prick posts 711 are at least arranged with the covered joint seat, it is described list saw blade and
Polishing saw blade accordingly offers the limit hole 52 for being pierced by the spacing prick post.
Embodiment three：
Unlike the embodiments above be in is hinged in the adjustable support rear end with the protective cover, and front end with a word by leading to
The arc strip 8 in hole is adjusted with the protective cover to be connected.
The adjustable support includes mainboard 31, on mainboard bottom surface and positioned at two sign laths of saw block both sides
32, the sign lath at least front end forms sign section 321 beyond the mainboard front end, is offered on shown mainboard for being pierced by
The through hole of the saw block, the front and rear of the mainboard are offered for installing sign lath perpendicular to the sign section
One word length hole, and the sign lath at least adjacent to line shaft outer end is adjustably coupled on the word length hole.
Example IV：
It is unlike the embodiments above to be in going deep into the socket towards being provided with the end face of the outer press cover on the socked shaft
The gland location hole 722 of axis, the outer press cover is interior to be equipped with the gland cutting 732 for being inserted into the gland location hole, and the gland is inserted
Bar is shunk in the outer press cover relative to the pressure edge.
Embodiment five：
Unlike the embodiments above be in the gland location hole is the arcuate socket that is coaxially disposed with socked shaft, and the gland is inserted
Bar is the arc-shaped arc cutting in cross section, and the arc length of arc cutting is shorter than the arc length of arcuate socket, single saw
For woodworking saw blade, the list saw blade includes the sub-pieces and master slice of alternate setting, the unilateral symmetrical each protrusion in both sides of the sub-pieces
There is an inserting column 51, the master slice is equipped with two spliced eyes 52 that can be inserted into the inserting column.The inserting column is highly less than
It was found that the thickness of single saw blade.Polishing saw blade is equipped with a spliced eye and an inserting column.So that polishing saw blade both may be used
With can also be with master slice grafting with sub-pieces grafting.
The inserting column of primary and secondary on piece and spliced eye are set according to the tooth of saw blade, it is ensured that after primary and secondary piece plugs, phase
Tooth on adjacent saw blade is not overlapping, but stagger, so as to improve slotting effect, slotting is cleaner, evenly.
The polishing saw blade for the overlapping both sides that the application passes through middle multi-disc list saw blade, so that directly by the foam plastic in seam
The disposable plane of material is clean, and while running into the unnecessary concrete in both sides is then directly polished off by saw blade of polishing, it is all dig or
Polish the dust come to be collected totally through protective cover, dust suction hole post and pipeline under the action of dust collection equipment, accomplish without any letup,
Whole seam is fitly come out by saw, while sawed posterior restoration seam cost savings straight woth no need to the miscellaneous dirt of secondary cleaning
Time, improves efficiency.
Claims (10)
- A kind of 1. railway track plate expansion joint environmental protection cutting and elimination saw, it is characterised in that：Including saw body（1）, arranged on saw body body Interior line shaft, the saw block being sheathed on line shaft, be fixedly arranged on the saw body and cover at anti-on the saw block Shield（2）, the adjustable support that is articulated with the protective cover（3）, slotting saw block of the saw block including being located at center（4）With It is located in the polishing saw blade of the slotting saw block both sides（5）.
- A kind of 2. railway track plate expansion joint environmental protection cutting and elimination saw according to claim 1, it is characterised in that：The slotting Sawing block includes single saw blade that multi-disc overlapping is set（41）.
- A kind of 3. railway track plate expansion joint environmental protection cutting and elimination saw according to claim 2, it is characterised in that：The protection Cover backside top is equipped with the dust suction hole post communicated with the protective cover cover chamber（61）, pipeline is connected with the dust suction hole post （62）, the pipe end connection dust collection equipment（63）.
- A kind of 4. railway track plate expansion joint environmental protection cutting and elimination saw according to claim 3, it is characterised in that：The power Axis is equipped with the covered joint seat with the saw block socket（71）, the covered joint seat is equipped with socked shaft（72）And the socked shaft The clip plate of threaded（77）And outer press cover（73）, it is described saw block be sheathed on the socked shaft, the socket axis center Equipped with the column with inner bolt hole and beyond the socked shaft that is spirally connected（74）, the column outer circumferential surface that is spirally connected is equipped with anti-deflection section （75）, clip plate and the outer press cover center offers the through hole being adapted to the outer surface of column that is spirally connected, is set on the outer press cover There is the nut being spirally connected through the outer press cover and the column that is spirally connected（76）.
- A kind of 5. railway track plate expansion joint environmental protection cutting and elimination saw according to claim 4, it is characterised in that：The external pressure Lid inner side week is along equipped with the raised circle pressure edge being pressed on saw block（731）, the pressure edge is sheathed on outside the socked shaft simultaneously It is pressed on the outer surface of the saw block, the length of the socked shaft saws the thickness of blocks not less than two panels polishing saw blade and 8 slottings The sum of degree.
- A kind of 6. railway track plate expansion joint environmental protection cutting and elimination saw according to claim 3, it is characterised in that：The socket Axis outer circumferential surface be equipped with prevent between adjacent single saw blade or between polishing saw blade and single saw blade opposite slip positioning section, it is described The center sleeve joint hole of single saw blade and saw blade of polishing is equipped with and the matched straight flange portion in the anti-deflection section（51）；Or the set Two spacing prick posts are at least arranged with joint chair（711）, the list saw blade and polishing saw blade are accordingly offered for being pierced by The limit hole of the spacing prick post（52）.
- A kind of 7. railway track plate expansion joint environmental protection cutting and elimination saw according to claim 1, it is characterised in that：It is described adjustable Back-end support is hinged with the protective cover, and front end passes through the arc strip with a word through hole（8）Company is adjusted with the protective cover Connect.
- A kind of 8. railway track plate expansion joint environmental protection cutting and elimination saw according to claim 7, it is characterised in that：It is described adjustable Stent includes mainboard（31）, on mainboard bottom surface and positioned at two sign laths of saw block both sides（32）, the dial plate Bar at least front end forms sign section beyond the mainboard front end（321）, offer on shown mainboard for being pierced by the saw block Through hole, the front and rear of the mainboard offers the word length hole for installing sign lath perpendicular to the sign section, And the sign lath at least adjacent to line shaft outer end is adjustably coupled on the word length hole.
- A kind of 9. railway track plate expansion joint environmental protection cutting and elimination saw according to claim 5, it is characterised in that：The socket Towards being provided with the gland location hole that gos deep into the socked shaft on the end face of the outer press cover on axis（722）, set in the outer press cover There is the gland cutting for being inserted into the gland location hole（732）, the gland cutting is relative to the pressure along shrinking in the outer press cover It is interior.
- A kind of 10. railway track plate expansion joint environmental protection cutting and elimination saw according to claim 9, it is characterised in that：The pressure Lid location hole is the arcuate socket that is coaxially disposed with socked shaft, and the gland cutting is the arc-shaped arc cutting in cross section, and arc The arc length of shape cutting is shorter than the arc length of arcuate socket, and single saw is woodworking saw blade, and the list saw blade includes alternate set The sub-pieces and master slice put, the unilateral symmetrical each protrusion in both sides of the sub-pieces have an inserting column（51）, the master slice is equipped with can It is inserted into two spliced eyes of the inserting column（52）, the inserting column is highly less than the thickness for finding single saw blade, the polishing Saw blade is equipped with a spliced eye and an inserting column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711470611.2A CN108000611A (en) | 2017-12-29 | 2017-12-29 | A kind of railway track plate expansion joint environmental protection cutting and elimination saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711470611.2A CN108000611A (en) | 2017-12-29 | 2017-12-29 | A kind of railway track plate expansion joint environmental protection cutting and elimination saw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108000611A true CN108000611A (en) | 2018-05-08 |
Family
ID=62049333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711470611.2A Pending CN108000611A (en) | 2017-12-29 | 2017-12-29 | A kind of railway track plate expansion joint environmental protection cutting and elimination saw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108000611A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110080538A (en) * | 2019-04-19 | 2019-08-02 | 中国二十二冶集团有限公司 | Remove the cutter and preparation method thereof that cystosepiment is reserved at expansion joint |
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| TWM248587U (en) * | 2003-10-30 | 2004-11-01 | Ruei-Sen Liau | Circular sawing machine |
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2017
- 2017-12-29 CN CN201711470611.2A patent/CN108000611A/en active Pending
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|---|---|---|---|---|
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| TWM248587U (en) * | 2003-10-30 | 2004-11-01 | Ruei-Sen Liau | Circular sawing machine |
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| CN205364238U (en) * | 2016-02-04 | 2016-07-06 | 黑旋风锯业股份有限公司 | Inflexible ultra -thin saw bit integrated configuration of reinforcing cutting |
| CN107046957A (en) * | 2016-12-24 | 2017-08-18 | 信宜市晓锋农业科技发展有限公司 | Forage cast-cutting saw |
| CN106956199A (en) * | 2017-05-15 | 2017-07-18 | 南通弘力机械制造有限公司 | A kind of environment-friendly type section bar sawing grinding apparatus |
| CN107081813A (en) * | 2017-05-19 | 2017-08-22 | 无锡凯皓科技有限公司 | The board cutting machine of grinding wheel is installed |
| CN208133094U (en) * | 2017-12-29 | 2018-11-23 | 中铁十六局集团第三工程有限公司 | A kind of railway track plate expansion joint environmental protection cutting and elimination saw |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110080538A (en) * | 2019-04-19 | 2019-08-02 | 中国二十二冶集团有限公司 | Remove the cutter and preparation method thereof that cystosepiment is reserved at expansion joint |
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