CN109262733A - A kind of hydrate colour environmental protection super abrasive plastic cement race track material installation - Google Patents
A kind of hydrate colour environmental protection super abrasive plastic cement race track material installation Download PDFInfo
- Publication number
- CN109262733A CN109262733A CN201810974937.7A CN201810974937A CN109262733A CN 109262733 A CN109262733 A CN 109262733A CN 201810974937 A CN201810974937 A CN 201810974937A CN 109262733 A CN109262733 A CN 109262733A
- Authority
- CN
- China
- Prior art keywords
- sliding
- slot
- switching chamber
- wheel
- sliding slot
- 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.)
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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
- B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
- B26D7/2628—Means for adjusting the position of the cutting member
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/16—Perforating by tool or tools of the drill type
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- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a kind of hydrate colour environmental protection super abrasive plastic cement race track material installations, including stand, it is fixedly installed on the pillar and the sliding body being installed on the pillar of the stand top end surface, the the first sliding slot extended up and down is equipped in the body, it is symmetrically arranged in the first sliding slot left hand end wall and connects slot, it is slipped in the first sliding slot and sliding platform is installed, the first electricity favourable turn is fixedly installed in the sliding platform, the first electricity favourable turn bottom end face power is equipped with the drill bit extended downwards, the first electricity favourable turn top end surface power is equipped with the reducing sleeve extended upwards, the upward spline of port is equipped in the reducing sleeve, spline fitted is equipped with splined shaft in the spline, the first taper wheel is fixed at the top of the splined shaft, end surface symmetric, which is equipped with, at left and right sides of the sliding platform protrudes into described lead to In access slot and slip the first connected unit being cooperatively connected.
Description
Technical field
The present invention relates to new material technology field, specifically a kind of hydrate colour environmental protection super abrasive plastic cement race track material is set
It is standby.
Background technique
Super abrasive plastic cement is the basic material that some runways use, these super abrasive plastic materials are needed in processing
Punch operation is carried out, and the perforating device Setting pattern in tradition is single, and needs manpower is excessive to come into operation, while can not
It realizes the multiple groups drilling operation on same straight line, processing efficiency greatly reduces, there are larger drawback, need to improve.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of hydrate colour environmental protection super abrasive plastic cement race track material installation,
It is able to solve the problems in above-mentioned present technology.
The present invention is achieved through the following technical solutions: a kind of hydrate colour environmental protection super abrasive plastic cement of the invention is run
Road material installation including stand, is fixedly installed on the pillar of the stand top end surface and sliding is installed on the pillar
Body, the first sliding slot extended up and down is equipped in the body, is symmetrically arranged in the first sliding slot left hand end wall
Slot is connected, is slipped in the first sliding slot and sliding platform is installed, the first electricity favourable turn is fixedly installed in the sliding platform, it is described
First electricity favourable turn bottom end face power is equipped with the drill bit extended downwards, and the first electricity favourable turn top end surface power installation is oriented
The reducing sleeve of upper elongation is equipped with the upward spline of port in the reducing sleeve, and spline fitted is equipped with flower in the spline
Key axis, the splined shaft top are fixed with the first taper wheel, and end surface symmetric is described equipped with protruding at left and right sides of the sliding platform
The first connected unit being cooperatively connected is connected in slot and is slipped, is rotatably assorted in first connected unit and the first articulated jib is installed,
It is described connect to communicate in end wall of the slot far from the described first sliding slot be provided with the first switching chamber, it is described first switching chamber in rotate
It is fitted with transfer panel, is rotatably assorted to be connected on the transfer panel inner side end and protrudes into second connection connected in slot
Platform is rotatably assorted in second connected unit and is connected with the second articulated jib, and second articulated jib and first articulated jib are cut with scissors
It connects, the second switching chamber that front and back extends, the second switching chamber and first switching is symmetrically set in the body
Be rotatably assorted between chamber and the first Coupling Shaft be installed, first Coupling Shaft inner end protrude into it is described first switching chamber in and with institute
It states transfer panel end face outside to be fixedly connected, the first Coupling Shaft outboard end protrudes into the second switching chamber and outside tail portion is solid
Surely it is equipped with the first driving wheel, third is equipped in the body on rear side of the first sliding slot and is transferred chamber, left and right two described the
Be rotatably assorted the second Coupling Shaft being equipped with through third switching chamber between two switching chambers, the institute in the second switching chamber
It states and is fixed with the second driving wheel in the second Coupling Shaft, pass through transmission belt between first driving wheel and second driving wheel
Transmission is cooperatively connected, and is fixed with the first toe joint wheel, first tooth in second Coupling Shaft in the third switching chamber
It has been engaged the second toe joint wheel on cock wheel, the second toe joint wheel and has been fixedly installed on the right side of the third switching chamber in inner wall
The second electricity favourable turn be connected by power, the 4th switching chamber is symmetrically set in the body on the upside of third switching chamber,
End wall transfer is dynamic before and after the 4th switching chamber is fitted with third Coupling Shaft, and front and back is symmetrical arranged in the third Coupling Shaft
There is third toe joint wheel, is fixedly installed turbine in the third Coupling Shaft between former and later two described third toe joint wheels, left and right
Two it is described 4th switching chambers between be rotatably assorted be equipped with through the described first sliding slot and with the turbine be cooperatively connected
Worm screw is fixed with the second taper wheel on the worm screw in the first sliding slot.
Further technical solution, described first sliding slot inner roof wall or so elongation are provided with second through the body
Sliding slot slips in the second sliding slot and is equipped with sliding arm, at left and right sides of the sliding arm elongation end respectively with the branch
Top is fixedly connected at left and right sides of column, is symmetrically arranged with before and after the sliding arm bottom end face and is cooperated company with the third toe joint wheel
The toe joint item connect.
Further technical solution, is equipped with the downward dovetail groove of port in the posts bottom end face, in the dovetail groove
Sliding to be equipped with symmetrical dovetails, the dovetails bottom is fixed by fixed arm and the body top end surface.
Further technical solution, in the stand top end surface equipped with port it is upward first connect hole, described first
Sliding slot inner bottom wall be equipped with port it is downward second connect hole.
Further technical solution, the spline inner bottom wall are equipped with the elastic component being fixedly connected with the splined shaft, institute
State to be symmetrically arranged in inner wall at left and right sides of spline and connect slot, it is described connect to slip in slot be equipped with and the splined shaft is fixed connects
What is connect connects block.
The beneficial effects of the present invention are:
When in use, plastic material plate is fixed on the stand for apparatus of the present invention, then simultaneously open first electricity favourable turn with
And second electricity favourable turn, it is described first electricity favourable turn rotation after can drive the drill bit, reducing sleeve, splined shaft and described first simultaneously
The rotation of taper wheel can be rotated, institute after the second electricity favourable turn rotation by the first toe joint wheel described in the second toe joint wheel drive
Second Coupling Shaft, second driving wheel, the first driving wheel and the switching can be driven after stating the rotation of the first toe joint wheel
Disk rotation, transfer panel rotation can be moved by second articulated jib and the first hinge handover armband the sliding platform to
Upper sliding can make the first taper wheel be meshed with the second taper wheel after the sliding platform upward sliding, described at this time
The rotation of first taper wheel can drive the second taper wheel to drive the worm screw rotation, can drive the whirlpool after the worm screw rotation
Wheel drives the third toe joint wheel rotation, can drive institute by the cooperation with the toe joint item after the third toe joint wheel rotation
It states body to slide to the right, the transfer panel can be joined after continuing to rotate by second articulated jib and first hinge
Armband moves the sliding platform slide downward and is detached from the first taper wheel and the second taper wheel, and the body stops at this time
It only moves, first time bore position is determined as a result, and the drill bit can be made to pass through described second after the sliding platform slide downward
Drilling operation is carried out after connecting slot, the mobile punch operation on same straight line thus back and forth can be realized；
Since splined shaft bottom is connect with the spline inner bottom wall by elastic component in the present invention, thus the sliding platform to
The first taper wheel can be made to be meshed after upper sliding a distance with the second taper wheel, the sliding platform continues up cunning
It can make the relatively described spline slide downward of the splined shaft after dynamic, thus can extend the first taper wheel and described the
The engagement duration of plug tap cincture to can ensure that the moving distance of the body, and then can make the drill bit enter next punching
Position；
Apparatus of the present invention structure is simple, and high degree of automation can mention significantly, it can be achieved that mobile punch operation in same level
High perforating efficiency and punching effect.
Detailed description of the invention
The present invention is described in detail by following specific embodiments and drawings for ease of explanation,.
Fig. 1 is a kind of overall structure diagram of hydrate colour environmental protection super abrasive plastic cement race track material installation of the invention.
Fig. 2 is the schematic diagram of internal structure of body in Fig. 1.
Fig. 3 is structural schematic diagram at A-A in Fig. 2.
Fig. 4 is structural schematic diagram at B-B in Fig. 2.
Specific embodiment
As shown in Figs 1-4, a kind of hydrate colour environmental protection super abrasive plastic cement race track material installation of the invention, including stand
10, the pillar 11 and the sliding body 15 being installed on the pillar 11 of 10 top end surface of stand, institute are fixedly installed on
The the first sliding slot 20 for being equipped in body 15 and extending up and down is stated, is symmetrically arranged with and connects in first sliding 20 left hand end wall of slot
Slot 46 slips in the first sliding slot 20 and is equipped with sliding platform 38, and the first electricity favourable turn is fixedly installed in the sliding platform 38
39, the first electricity 39 bottom end face power of favourable turn are equipped with the drill bit 40 extended downwards, the first electricity 39 top ends of favourable turn
Face power is equipped with the reducing sleeve 33 extended upwards, and the upward spline 34 of port, the spline are equipped in the reducing sleeve 33
Spline fitted is equipped with splined shaft 32 in slot 34, and the first taper wheel 31, the sliding platform are fixed at the top of the splined shaft 32
38 left and right sides end surface symmetrics, which are equipped with, protrudes into first connected unit 45 connected in slot 46 and slip mating connection, and described first
It is rotatably assorted in connected unit 45 and first articulated jib 44 is installed, it is described to connect in end wall of the slot 46 far from the described first sliding slot 20
It communicates and is provided with the first switching chamber 27, rotation is fitted with transfer panel 28, the transfer panel 28 in the first switching chamber 27
It is rotatably assorted to be connected on inner side end and protrudes into second connected unit 42 connected in slot 46, turn in second connected unit 42
Dynamic to be connected with the second articulated jib 43, second articulated jib 43 and first articulated jib 44 are hinged, in the body 15
It is symmetrically set with the second switching chamber 29 that front and back extends, is turned between the second switching chamber 29 and the first switching chamber 27
It is dynamic to be fitted with the first Coupling Shaft 16,16 inner end of the first Coupling Shaft protrude into the first switching chamber 27 and with it is described
28 end face outside of transfer panel is fixedly connected, and 16 outboard end of the first Coupling Shaft protrudes into the second switching chamber 29 and outside tail
Portion is fixed with the first driving wheel 30, is equipped with third switching chamber 48 in the body 15 of first sliding 20 rear side of slot, left
Be rotatably assorted the second Coupling Shaft 47 being equipped with through third switching chamber 48 between right two the second switching chambers 29, institute
It states and is fixed with the second driving wheel 53, first driving wheel 30 and institute in second Coupling Shaft 47 in the second switching chamber 29
It states and is cooperatively connected between the second driving wheel 53 by the transmission of transmission belt 52, second Coupling Shaft in the third switching chamber 48
It is fixed with the first toe joint wheel 49 on 47, the second toe joint wheel 50, second tooth have been engaged on the first toe joint wheel 49
Cock wheel 50 is connected by power with the second electricity favourable turn 51 being fixedly installed in the third switching 48 right side inner wall of chamber, and the third turns
It connects and is symmetrically set with the 4th switching chamber 23 in the body 15 of 48 upside of chamber, in the 4th switching 23 front and back end wall of chamber
It is rotatably assorted and third Coupling Shaft 26 is installed, front and back is symmetrically arranged with third toe joint wheel 24, front and back in the third Coupling Shaft 26
Turbine 25, left and right two the described 4th are fixedly installed in the third Coupling Shaft 26 between two third toe joint wheels 24
Be rotatably assorted the worm screw 22 being equipped with through the described first sliding slot 20 and with the turbine 25 mating connection between switching chamber 23,
The second taper wheel 21 is fixed on the worm screw 22 in the first sliding slot 20.
Valuably, described first sliding 20 inner roof wall of slot or so elongation is provided with slips through the second of the body 15
Slot slips in the second sliding slot and is equipped with sliding arm 18, sliding 18 left and right sides elongation end of arm respectively with the branch
11 left and right sides top of column is fixedly connected, and is symmetrically arranged with and the third toe joint wheel 24 before and after sliding 18 bottom end face of arm
The toe joint item 19 of mating connection.
Valuably, it is equipped with the downward dovetail groove 12 of port in 11 bottom end face of pillar, is slipped in the dovetail groove 12
Symmetrical dovetails 13 are installed, 13 bottom of dovetails is solid by fixed arm 14 and 15 top end surface of body
It is fixed.
Valuably, in 10 top end surface of stand equipped with port it is upward first connect hole 17, the first sliding slot
20 inner bottom walls be equipped with port it is downward second connect hole 41.
Valuably, 34 inner bottom wall of spline is equipped with the elastic component 37 being fixedly connected with the splined shaft 32, the flower
Be symmetrically arranged in 34 left and right sides inner wall of keyway and connect slot 36, it is described connect slipped in slot 36 be equipped with it is solid with the splined shaft 32
Surely what is connected connects block 35.
When original state, 15 leftmost side of body, the sliding platform 38 is located at the described first sliding 20 medium position of slot
Place, and the drill bit 40 is accommodated in completely in the described first sliding slot 20, under the action of elastic component 37, the splined shaft
32 stretch out to greatest extent outside 33 top end surface of reducing sleeve.
In use, plastic material plate is fixed on the stand 10, the first electricity favourable turn 39 and the are then opened simultaneously
Two electricity favourable turns 51 can drive the drill bit 40, reducing sleeve 33, splined shaft 32 and institute after first electricity favourable turn, 39 rotation simultaneously
The rotation of the first taper wheel 31 is stated, first tooth can be driven by the second toe joint wheel 50 after 51 rotation of the second electricity favourable turn
Cock wheel 49 rotates, and the first toe joint wheel 49 can drive second Coupling Shaft 47, second driving wheel 53, first after rotating
Driving wheel 30 and the transfer panel 28 rotate, and the rotation of transfer panel 28 can pass through second articulated jib 43 and described the
One hinge handover arm 44 drives 38 upward sliding of sliding platform, can make the first taper wheel after sliding 38 upward sliding of platform
31 are meshed with the second taper wheel 21, and the rotation of the first taper wheel 31 can drive the second taper wheel 21 to drive at this time
The worm screw 22 rotates, and the worm screw 22 can drive the turbine 25 that the third toe joint wheel 24 is driven to rotate after rotating, described
Third toe joint wheel 24 can drive the body 15 to slide to the right after rotating by the cooperation with the toe joint item 19, the switching
Disk 28 can drive the sliding platform by second articulated jib 43 and the first hinge handover arm 44 after continuing to rotate
38 slide downwards and be detached from the first taper wheel 31 with the second taper wheel 21, the body 10 stops movement at this time,
First time bore position is determined as a result, the drill bit 40 can be made to pass through described second after sliding 38 slide downward of platform logical
Drilling operation is carried out after access slot 41, and the mobile punch operation on same straight line thus back and forth can be realized；
Since 32 bottom of splined shaft is connect with 34 inner bottom wall of spline by elastic component 37 in the present invention, thus in the cunning
The first taper wheel 31 can be made to be meshed after consecutive 38 upward sliding a distance with the second taper wheel 21, it is described sliding
Platform 38 can make relatively described 34 slide downward of spline of the splined shaft 32 after continuing to slide up, thus can extend described
First taper wheel 31 engages duration with the second taper wheel 21, to can ensure that the moving distance of the body 15, in turn
The drill bit 40 can be made to enter next punch position.
The beneficial effects of the present invention are:
When in use, plastic material plate is fixed on the stand for apparatus of the present invention, then simultaneously open first electricity favourable turn with
And second electricity favourable turn, it is described first electricity favourable turn rotation after can drive the drill bit, reducing sleeve, splined shaft and described first simultaneously
The rotation of taper wheel can be rotated, institute after the second electricity favourable turn rotation by the first toe joint wheel described in the second toe joint wheel drive
Second Coupling Shaft, second driving wheel, the first driving wheel and the switching can be driven after stating the rotation of the first toe joint wheel
Disk rotation, transfer panel rotation can be moved by second articulated jib and the first hinge handover armband the sliding platform to
Upper sliding can make the first taper wheel be meshed with the second taper wheel after the sliding platform upward sliding, described at this time
The rotation of first taper wheel can drive the second taper wheel to drive the worm screw rotation, can drive the whirlpool after the worm screw rotation
Wheel drives the third toe joint wheel rotation, can drive institute by the cooperation with the toe joint item after the third toe joint wheel rotation
It states body to slide to the right, the transfer panel can be joined after continuing to rotate by second articulated jib and first hinge
Armband moves the sliding platform slide downward and is detached from the first taper wheel and the second taper wheel, and the body stops at this time
It only moves, first time bore position is determined as a result, and the drill bit can be made to pass through described second after the sliding platform slide downward
Drilling operation is carried out after connecting slot, the mobile punch operation on same straight line thus back and forth can be realized；
Since splined shaft bottom is connect with the spline inner bottom wall by elastic component in the present invention, thus the sliding platform to
The first taper wheel can be made to be meshed after upper sliding a distance with the second taper wheel, the sliding platform continues up cunning
It can make the relatively described spline slide downward of the splined shaft after dynamic, thus can extend the first taper wheel and described the
The engagement duration of plug tap cincture to can ensure that the moving distance of the body, and then can make the drill bit enter next punching
Position；
Apparatus of the present invention structure is simple, and high degree of automation can mention significantly, it can be achieved that mobile punch operation in same level
High perforating efficiency and punching effect.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
The change or replacement expected without creative work, should be covered by the protection scope of the present invention.Therefore, of the invention
Protection scope should be determined by the scope of protection defined in the claims.
Claims (5)
1. a kind of hydrate colour environmental protection super abrasive plastic cement race track material installation, including stand, it is fixedly installed at the top of the stand
The pillar of end face and the sliding body being installed on the pillar, it is characterised in that: be equipped in the body and extend up and down
First sliding slot is symmetrically arranged in the first sliding slot left hand end wall and connects slot, and installation is slipped in the first sliding slot
There is sliding platform, the first electricity favourable turn is fixedly installed in the sliding platform, the first electricity favourable turn bottom end face power installation is oriented
The drill bit of lower elongation, the first electricity favourable turn top end surface power are equipped with the reducing sleeve extended upwards, set in the reducing sleeve
There is the spline that port is upward, spline fitted is equipped with splined shaft in the spline, and the is fixed at the top of the splined shaft
One taper wheel, the sliding platform left and right sides end surface symmetric, which is equipped with, protrudes into first company for connecting in slot and slipping mating connection
It is consecutive, it is rotatably assorted in first connected unit and the first articulated jib is installed, the slot that connects is far from the described first sliding slot
It is communicated in end wall and is provided with the first switching chamber, rotated in the first switching chamber and be fitted with transfer panel, in the transfer panel
It is rotatably assorted to be connected on side end face and protrudes into second connected unit connected in slot, the company of being rotatably assorted in second connected unit
It is connected to the second articulated jib, second articulated jib and first articulated jib are hinged, before being symmetrically set in the body
The the second switching chamber extended afterwards, is rotatably assorted between the second switching chamber and the first switching chamber and is equipped with the first switching
Axis, first Coupling Shaft inner end are protruded into the first switching chamber and are fixedly connected with the transfer panel end face outside, institute
State that the first Coupling Shaft outboard end protrudes into the second switching chamber and outside tail portion is fixed with the first driving wheel, described first is sliding
It is equipped with third switching chamber in the body on rear side of access slot, is rotatably assorted to be equipped between the second switching chambers of left and right two and pass through
The second Coupling Shaft of the third switching chamber is worn, is fixed with the second biography in second Coupling Shaft in the second switching chamber
Driving wheel is cooperatively connected between first driving wheel and second driving wheel by transmission V belt translation, the third switching chamber
In second Coupling Shaft on be fixed with the first toe joint wheel, the second toe joint wheel has been engaged on the first toe joint wheel,
The second toe joint wheel is connected by power with the second electricity favourable turn being fixedly installed on the right side of third switching chamber in inner wall, and described the
The 4th switching chamber is symmetrically set in the body on the upside of three switching chambers, end wall transfer is dynamic before and after the 4th switching chamber
It is fitted with third Coupling Shaft, front and back is symmetrically arranged with third toe joint wheel in the third Coupling Shaft, former and later two described the
It is fixedly installed turbine in the third Coupling Shaft between three toe joint wheels, rotates and matches between the 4th switching chamber of left and right two
Close the worm screw being equipped with through the described first sliding slot and with turbine mating connection, the snail in the first sliding slot
The second taper wheel is fixed on bar.
2. a kind of hydrate colour environmental protection super abrasive plastic cement race track material installation according to claim 1, it is characterised in that: institute
It states first sliding slot inner roof wall or so and extends the second sliding slot being provided with through the body, slipped in the second sliding slot
Sliding arm is installed, elongation end is fixedly connected with top at left and right sides of the pillar respectively at left and right sides of the sliding arm, described
The toe joint item being cooperatively connected with the third toe joint wheel is symmetrically arranged with before and after sliding arm bottom end face.
3. a kind of hydrate colour environmental protection super abrasive plastic cement race track material installation according to claim 1, it is characterised in that: institute
It states and is equipped with the downward dovetail groove of port in posts bottom end face, slipped in the dovetail groove and symmetrical dovetails are installed,
The dovetails bottom is fixed by fixed arm and the body top end surface.
4. a kind of hydrate colour environmental protection super abrasive plastic cement race track material installation according to claim 1, it is characterised in that: institute
State in stand top end surface equipped with port it is upward first connect hole, the first sliding slot inner bottom wall is equipped with downward the of port
Two connect hole.
5. a kind of hydrate colour environmental protection super abrasive plastic cement race track material installation according to claim 1, it is characterised in that: institute
It states spline inner bottom wall and is equipped with the elastic component being fixedly connected with the splined shaft, symmetrically set in inner wall at left and right sides of the spline
Connect slot, it is described connect to slip to be equipped in slot connect block with what the splined shaft was fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810974937.7A CN109262733A (en) | 2018-08-24 | 2018-08-24 | A kind of hydrate colour environmental protection super abrasive plastic cement race track material installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810974937.7A CN109262733A (en) | 2018-08-24 | 2018-08-24 | A kind of hydrate colour environmental protection super abrasive plastic cement race track material installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109262733A true CN109262733A (en) | 2019-01-25 |
Family
ID=65154363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810974937.7A Withdrawn CN109262733A (en) | 2018-08-24 | 2018-08-24 | A kind of hydrate colour environmental protection super abrasive plastic cement race track material installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109262733A (en) |
-
2018
- 2018-08-24 CN CN201810974937.7A patent/CN109262733A/en not_active Withdrawn
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20190125 |