CN208631430U - A kind of double-wall corrugated pipe conveying device of tilt adjustable - Google Patents
A kind of double-wall corrugated pipe conveying device of tilt adjustable Download PDFInfo
- Publication number
- CN208631430U CN208631430U CN201821389683.4U CN201821389683U CN208631430U CN 208631430 U CN208631430 U CN 208631430U CN 201821389683 U CN201821389683 U CN 201821389683U CN 208631430 U CN208631430 U CN 208631430U
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- shaft
- thumb wheel
- bracket
- double
- corrugated pipe
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- 210000003813 thumb Anatomy 0.000 claims abstract description 65
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 125000006850 spacer group Chemical group 0.000 claims description 22
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 229920001903 high density polyethylene Polymers 0.000 description 4
- 239000004700 high-density polyethylene Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a kind of double-wall corrugated pipe conveying devices of tilt adjustable.The double-wall corrugated pipe conveying device of this kind of tilt adjustable includes lower bracket and upper bracket, lower bracket upper end is equipped with lower groove, upper bracket lower end is equipped with upper groove body, affixed first pillar of upper groove body, first pillar is hinged with second pillar affixed with lower groove, the upper groove body other end is also connected with third pillar, and third lower rod end is crimped on the cam face with lower groove rotation connection；Upper bracket upper end connects the delivery pipe that first through hole is opened up along axis, delivery pipe front end is equipped with the first thumb wheel, rear end is equipped with the second thumb wheel, two thumb wheels are set in the first groove body and are rotatablely connected with upper bracket, two thumb wheel outer rings are protruding with the moving tooth for protruding into first through hole along axis, first thumb wheel is also connected with driving device, is equipped with synchronization mechanism between two thumb wheels.By rotation cam to adjust the tilt angle of conveying device, the first thumb wheel and the second thumb wheel driving double-wall corrugated pipe in moving in delivery pipe.
Description
Technical field
The utility model relates to pipe fitting conveying technology field, in particular to the conveying rotary device of a kind of double-wall corrugated pipe.
Background technique
High density polyethylene (HDPE) (HDPE) double-wall corrugated pipe is a kind of New pipe with cyclic structure outer wall and smooth internal walls
Material, the beginning of the eighties succeed in developing first in Germany.By the development of more than ten years and perfect, via single Cultivar development to complete
Whole product line.At present in production technology and using very mature in technology.Due to its excellent performance and opposite warp
Great promotion and application have been obtained in developed countries such as America and Europes in the cost of Ji.In China, HDPE double-wall corrugated pipe is pushed away
Wide and application, which is in, rises the situation stage, and all technical reaches using standard.Double-wall corrugated inside pipe wall color is usual
There are blue and black, part brand inner wall to will use yellow.The transmission device of existing double-wall corrugated pipe, it is generally exactly common
Belt conveyer, although structure is simple, in actual use, because double-wall corrugated pipe is unstable in belt transmit process
Constant volume is also easy to produce landing, causes transmission efficiency low, and safety in utilization is low, and works as conveying device both ends mechanism height engaged therewith
When inconsistent, just directly pipe fitting can not be transported by conveying device.
Utility model content
The purpose of the utility model is to provide a kind of conveying devices of tilt adjustable, and convey the mistake of double-wall corrugated pipe
Cheng Pingwen.
In order to realize above-mentioned purpose of utility model, a kind of double-wall corrugated pipe of tilt adjustable of the utility model conveys dress
It sets and adopts the following technical scheme that
A kind of double-wall corrugated pipe conveying device of tilt adjustable, it is characterised in that: described including cylindrical lower bracket
Lower bracket upper surface offers lower groove, and the lower bracket upper end is provided with cylindrical upper bracket, and the upper bracket lower surface is opened
Equipped with upper groove body, the upper groove body and lower groove are oppositely arranged, and are provided with linkwork and angle between the upper bracket and lower bracket
Regulating mechanism is spent, the linkwork is located at one end of upper bracket and lower bracket, and angle adjusting mechanism is located at upper bracket and lower branch
The other end of frame, linkwork include one end and affixed the first pillar of upper groove body, and the first pillar other end is hinged with second
One end of column, the other end and lower groove of the second pillar are affixed, and angle adjusting mechanism includes one end and the affixed third of upper groove body
Pillar, third lower rod end are crimped on the outer peripheral surface of cam, and the cam center and pin shaft are affixed, and described pin shaft one end is under
Holder pivots connection, the other end are connect with first driving device；The upper bracket upper end is connected with delivery pipe, the delivery pipe edge
Axis offers first through hole, and for the first through hole for conveying double-wall corrugated pipe, the delivery pipe front end is provided with first group
Wheel, rear end are provided with the second thumb wheel, and first thumb wheel and the second thumb wheel are located in upper groove body and are rotatablely connected with upper bracket, institute
It states the first thumb wheel and the second thumb wheel outer ring is protruding with uniformly distributed moving tooth along axis, it is logical that the delivery pipe downside surface offers second
The moving tooth of hole, first thumb wheel and the second thumb wheel upper end is protruded into first through hole by the second through-hole, when the first thumb wheel and
When two thumb wheels rotate, moving tooth is inserted into the gap of the annular wall of the uniform protrusion of double-wall corrugated pipe outer wall thereon, first thumb wheel
Center is plugged with first rotating shaft, and the first rotating shaft and upper bracket are rotatablely connected, and the first rotating shaft is also connected with the second driving
Device, second driving device driving first rotating shaft rotation, second thumb wheel center are plugged with the second shaft, and described second
Shaft and upper bracket are rotatablely connected, and synchronization mechanism are provided between the first rotating shaft and the second shaft, the synchronization mechanism includes
The first affixed sprocket wheel and second sprocket wheel affixed with the second shaft with first rotating shaft, first sprocket wheel and the second sprocket wheel are the same as rule
Lattice and the first sprocket wheel and the second sprocket wheel pass through same chain drive.It is rotated by first driving device driving bearing pin, pin shaft drives
Cam rotation, since third pillar is crimped on cam face and third pillar and upper groove body are affixed, so third pillar is with pressure
Contact to cam center distance variation push upper bracket around the hinge joint of the first pillar and the second pillar rotate, realize this kind it is defeated
Send the variation of design factors；Second driving device provides power to first rotating shaft, and first rotating shaft rotation, first rotating shaft drives and it
First thumb wheel of connection, the rotation of the first sprocket wheel, since the moving tooth of the first thumb wheel is inserted into the ring of the uniform protrusion of double-wall corrugated pipe outer wall
In the gap of shape wall, under the rotation of the first thumb wheel, moving tooth pushes the annular wall of double-wall corrugated pipe, and double-wall corrugated pipe is in moving tooth
It is moved under driving along through-hole, and the rotation of the first sprocket wheel passes to the second sprocket wheel by chain, the rotation of the second sprocket wheel is to band
Coaxial the second thumb wheel rotation is moved, when double-wall corrugated pipe moves to the through-hole other side, the second thumb wheel is to double-wall corrugated pipe
The driving force of movement is provided, process is steady.
The first driving device includes first motor, and the first motor is connect with first support upper surface, and described
One bracket and lower bracket are affixed, and the first motor is protruded into output shaft in upper groove body by the through-hole that lower bracket side wall opens up,
The output shaft of the first motor is connect by shaft coupling with pin shaft.Motor is common dynamical element, at low cost and be easy to obtain
, start first motor, the output shaft of first motor is driven by shaft coupling provides power directly to pin shaft.
Second driving device includes the second motor for being connected to second support upper surface, the second support and upper branch
The connection of frame outer wall, the output shaft of second motor are connect with first rotating shaft by shaft coupling.Motor is common dynamical element,
It is at low cost and be easily obtained, start the second motor, the output shaft of the second motor is mentioned by shaft coupling transmission directly to first rotating shaft
For power.
It states first rotating shaft both ends and upper bracket is rotatablely connected, described first rotating shaft one end also stretches out on the outside of upper bracket, and
Connect with the second driving device, the part that the first rotating shaft is located in upper groove body be successively socketed with the first spacer, the first sprocket wheel,
Second spacer, the first thumb wheel, third spacer；Second both ends of the shaft and upper bracket are rotatablely connected, and second shaft is located at
Part in upper groove body is successively socketed with the 4th spacer, the second sprocket wheel, the 5th spacer, the second thumb wheel, the 6th spacer, wherein first
Sprocket wheel and the coplanar setting of the second sprocket wheel, the first thumb wheel and the coplanar setting of the second thumb wheel.
The first rotating shaft and the second both ends of the shaft are respectively sleeved on bearing, and the bearing outer ring and upper bracket are affixed；Institute
It states and is provided with bearing at pin shaft and lower bracket rotation connection, the pin shaft and bearing inner race are affixed, the bearing outer ring and lower branch
Frame is affixed.Optimize the efficiency of first rotating shaft and the rotation of the second shaft by bearing.
The bearing is cylinder roller bearing.
The cam outer ring is arc-shaped in outwardly protruding, and the third lower rod end is offered to match with cam outer ring
Arc groove.The arc groove of third lower rod end matches with the arc-shaped of cam outer ring, increases third pillar and crimps with cam
The contact area at place reduces the pressure of contact area, reduces the abrasion between contact surface, and make cam during transmission
It is more stable.
The moving tooth is circle-arc tooth, is that circular arc is excessive between adjacent moving tooth.This kind setting is for preventing moving tooth to be inserted into double-walled
The annular wall of the double-wall corrugated pipe outer wall protrusion of gouge when the gap of the annular wall of ripple pipe outer wall protrusion.
Compared with prior art, the utility model has the beneficial effects that: driving cam rotation by first motor, change
Third lower rod end at cam crimping at a distance from cam center, to change the tilt angle of first through hole, and first
The annular wall of thumb wheel and the second thumb wheel cooperation double-wall corrugated pipe surface bulge, pushes double-wall corrugated pipe to move along delivery pipe, process
Stablize.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 be Fig. 1 in along the sectional view of A-A；
Fig. 3 is the cross-sectional view in Fig. 1 along B-B；
Fig. 4 is the cross-sectional view in Fig. 1 along C-C.
Wherein, 1 lower bracket, 2 lower grooves, 3 upper brackets, 4 upper groove bodies, 5 first pillars, 6 second pillars, 7 third pillars, 8
Cam, 9 arc grooves, 10 pin shafts, 11 bearings, 12 first motors, 13 first supports, 14 delivery pipes, 15 first through hole, 16 first groups
Wheel, 17 second thumb wheels, 18 moving teeth, 19 second through-holes, 20 first rotating shafts, 21 second supports, 22 second shafts, 23 first sprocket wheels,
24 second sprocket wheels, 25 chains, 26 first spacers, 27 second spacers, 28 third spacers, 29 the 4th spacers, 30 the 5th spacers, 31
Six spacers.
Specific embodiment
With reference to embodiment, the utility model is furtherd elucidate, it should be understood that these embodiments are only used for
Bright the utility model rather than limitation the scope of the utility model, after having read the utility model, those skilled in the art
Member falls within the application range as defined in the appended claims to the modification of the various equivalent forms of the utility model.
As shown in Figs 1-4, the double-wall corrugated pipe conveying device of a kind of tilt adjustable, including cylindrical lower bracket 1, under
Rack upper surface offers lower groove 2, and lower bracket upper end is provided with cylindrical upper bracket 3, and upper bracket lower surface offers slot
Body 4, upper groove body and lower groove are oppositely arranged, and linkwork and angle adjusting mechanism are provided between upper bracket and lower bracket, hingedly
Mechanism is located at one end of upper bracket and lower bracket, and angle adjusting mechanism is located at the other end of upper bracket and lower bracket, linkwork
Including the first affixed pillar 5 of one end and upper groove body, the first pillar other end is hinged with one end of the second pillar 6, the second pillar
The other end and lower groove it is affixed, angle adjusting mechanism includes one end and the affixed third pillar 7 of upper groove body, third lower rod end
It is crimped on the outer peripheral surface of cam 8, cam outer ring is arc-shaped in outwardly protruding, and third lower rod end offers and cam outer ring
The arc groove 9 to match, cam center and pin shaft 10 are affixed, and pin shaft one end and lower bracket are rotatablely connected, and pin shaft and lower bracket turn
Dynamic junction is provided with bearing 11, and pin shaft is affixed with bearing inner race, and bearing outer ring is affixed with lower bracket, the pin shaft other end and first
Driving device connection, first driving device includes first motor 12, and first motor is connect with 13 upper surface of first support, and first
Frame is affixed with lower bracket, and first motor is protruded into output shaft in upper groove body by the through-hole that lower bracket side wall opens up, first motor
Output shaft connect with pin shaft by shaft coupling；Upper bracket upper end is connected with delivery pipe 14, and delivery pipe offers first along axis
Through-hole 15, first through hole is for conveying double-wall corrugated pipe, and delivery pipe front end is provided with the first thumb wheel 16, and rear end is provided with second group
Wheel 17, the first thumb wheel and the second thumb wheel are located in upper groove body and are rotatablely connected with upper bracket, the first thumb wheel and the second thumb wheel outer ring
Uniformly distributed moving tooth 18 is protruding with along axis, moving tooth is circle-arc tooth, and excessive for circular arc between adjacent moving tooth, delivery pipe downside surface is opened
Equipped with the second through-hole 19, the moving tooth of the first thumb wheel and the second thumb wheel upper end is protruded into first through hole by the second through-hole, when first
When thumb wheel and the second thumb wheel rotate, moving tooth is inserted into the gap of the annular wall of the uniform protrusion of double-wall corrugated pipe outer wall thereon, and first
Thumb wheel center is plugged with first rotating shaft 20, and first rotating shaft and upper bracket are rotatablely connected, and first rotating shaft is also connected with the second driving dress
It sets, the second driving device drives first rotating shaft rotation, and the second driving device includes be connected to 21 upper surface of second support second
Motor, second support are connect with upper bracket outer wall, and the output shaft of the second motor is connect with first rotating shaft by shaft coupling, and second group
Wheel center is plugged with the second shaft 22, and the second shaft and upper bracket are rotatablely connected, and is provided between first rotating shaft and the second shaft same
Mechanism is walked, synchronization mechanism includes first sprocket wheel 23 affixed with first rotating shaft and second sprocket wheel 24 affixed with the second shaft, the
One sprocket wheel and the second sprocket wheel same specification and the first sprocket wheel and the second sprocket wheel are driven by same chain 25, first rotating shaft both ends with it is upper
Holder pivots connection, first rotating shaft one end also stretches out on the outside of upper bracket, and is connect with the second motor by shaft coupling, first turn
Part of the axle position in upper groove body be successively socketed with the first spacer 26, the first sprocket wheel, the second spacer 27, the first thumb wheel, third every
Set 28；Second both ends of the shaft and upper bracket are rotatablely connected, the part that the second shaft is located in upper groove body be successively socketed with the 4th every
The 29, second sprocket wheel, the 5th spacer 30, the second thumb wheel, the 6th spacer 31 are covered, wherein the first sprocket wheel and the second sprocket wheel is coplanar sets
It sets, the first thumb wheel and the coplanar setting of the second thumb wheel, first rotating shaft and the second both ends of the shaft are respectively sleeved on bearing, bearing outer ring
Affixed with upper bracket, bearing is cylinder roller bearing.
The specific work process and principle of the utility model:
It is rotated by first motor driving bearing pin, pin shaft band moving cam rotates, since third pillar is crimped on cam face
And third pillar and upper groove body are affixed, so third pillar with crimping point to cam center distance variation push upper bracket around
The rotation of the hinge joint of first pillar and the second pillar, changes the tilt angle of first through hole, to realize this kind of conveying device angle
That spends is adjustable, and the second motor gives first rotating shaft to provide power, first rotating shaft rotation, and first rotating shaft drives first group connected to it
Wheel, the rotation of the first sprocket wheel are inserted into the gap of the annular wall of the uniform protrusion of double-wall corrugated pipe outer wall due to the moving tooth of the first thumb wheel,
Under the rotation of the first thumb wheel, moving tooth pushes the annular wall of double-wall corrugated pipe, and double-wall corrugated pipe is under the driving of moving tooth along logical
Hole movement, and the rotation of the first sprocket wheel passes to the second sprocket wheel by chain, the rotation of the second sprocket wheel is to drive coaxially
The rotation of second thumb wheel, when double-wall corrugated pipe moves to the through-hole other side, the second thumb wheel provides the drive of movement to double-wall corrugated pipe
Power, process are steady.
Claims (8)
1. a kind of double-wall corrugated pipe conveying device of tilt adjustable, it is characterised in that: including cylindrical lower bracket, under described
Rack upper surface offers lower groove, and the lower bracket upper end is provided with cylindrical upper bracket, and the upper bracket lower surface opens up
There is upper groove body, the upper groove body and lower groove are oppositely arranged, and are provided with linkwork and angle between the upper bracket and lower bracket
Regulating mechanism, the linkwork are located at one end of upper bracket and lower bracket, and angle adjusting mechanism is located at upper bracket and lower bracket
The other end, linkwork includes one end and affixed the first pillar of upper groove body, and the first pillar other end is hinged with the second pillar
One end, the other end and lower groove of the second pillar are affixed, and angle adjusting mechanism includes one end and the affixed third branch of upper groove body
Column, third lower rod end are crimped on the outer peripheral surface of cam, and the cam center and pin shaft are affixed, described pin shaft one end and lower branch
Frame rotation connection, the other end are connect with first driving device；The upper bracket upper end is connected with delivery pipe, and the delivery pipe is along axis
Line offers first through hole, and for the first through hole for conveying double-wall corrugated pipe, the delivery pipe front end is provided with the first thumb wheel,
Rear end is provided with the second thumb wheel, and first thumb wheel and the second thumb wheel are located in upper groove body and are rotatablely connected with upper bracket, described
First thumb wheel and the second thumb wheel outer ring are protruding with uniformly distributed moving tooth along axis, and it is logical that the delivery pipe downside surface offers second
The moving tooth of hole, first thumb wheel and the second thumb wheel upper end is protruded into first through hole by the second through-hole, when the first thumb wheel and
When two thumb wheels rotate, moving tooth is inserted into the gap of the annular wall of the uniform protrusion of double-wall corrugated pipe outer wall thereon, first thumb wheel
Center is plugged with first rotating shaft, and the first rotating shaft and upper bracket are rotatablely connected, and the first rotating shaft is also connected with the second driving
Device, second driving device driving first rotating shaft rotation, second thumb wheel center are plugged with the second shaft, and described second
Shaft and upper bracket are rotatablely connected, and synchronization mechanism are provided between the first rotating shaft and the second shaft, the synchronization mechanism includes
The first affixed sprocket wheel and second sprocket wheel affixed with the second shaft with first rotating shaft, first sprocket wheel and the second sprocket wheel are the same as rule
Lattice and the first sprocket wheel and the second sprocket wheel pass through same chain drive.
2. the double-wall corrugated pipe conveying device of tilt adjustable according to claim 1, it is characterised in that: described first
Driving device includes first motor, and the first motor is connect with first support upper surface, and the first support and lower bracket are solid
Connect, the first motor is protruded into output shaft in upper groove body by the through-hole that lower bracket side wall opens up, the first motor it is defeated
Shaft is connect by shaft coupling with pin shaft.
3. the double-wall corrugated pipe conveying device of tilt adjustable according to claim 1, it is characterised in that: described second
Driving device includes the second motor for being connected to second support upper surface, and the second support is connect with upper bracket outer wall, described
The output shaft of second motor is connect with first rotating shaft by shaft coupling.
4. the double-wall corrugated pipe conveying device of tilt adjustable according to claim 1, it is characterised in that: described first
Both ends of the shaft and upper bracket are rotatablely connected, and described first rotating shaft one end also stretches out on the outside of upper bracket, and with the second driving device
Connection, the part that the first rotating shaft is located in upper groove body is successively socketed with the first spacer, the first sprocket wheel, the second spacer, first
Thumb wheel, third spacer；Second both ends of the shaft and upper bracket are rotatablely connected, and second shaft is located at the part in upper groove body
It is successively socketed with the 4th spacer, the second sprocket wheel, the 5th spacer, the second thumb wheel, the 6th spacer, wherein the first sprocket wheel and the second sprocket wheel
Coplanar setting, the first thumb wheel and the coplanar setting of the second thumb wheel.
5. the double-wall corrugated pipe conveying device of tilt adjustable according to claim 4, it is characterised in that: described first
Shaft and the second both ends of the shaft are respectively sleeved on bearing, and the bearing outer ring and upper bracket are affixed；The pin shaft and lower bracket turn
Dynamic junction is provided with bearing, and the pin shaft and bearing inner race are affixed, and the bearing outer ring and lower bracket are affixed.
6. the double-wall corrugated pipe conveying device of tilt adjustable according to claim 5, it is characterised in that: the bearing
For cylinder roller bearing.
7. the double-wall corrugated pipe conveying device of tilt adjustable according to claim 1, it is characterised in that: the cam
Outer ring is arc-shaped in outwardly protruding, and the third lower rod end offers the arc groove to match with cam outer ring.
8. the double-wall corrugated pipe conveying device of tilt adjustable according to claim 1, it is characterised in that: the moving tooth
It is excessive for circular arc between adjacent moving tooth for circle-arc tooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821389683.4U CN208631430U (en) | 2018-08-28 | 2018-08-28 | A kind of double-wall corrugated pipe conveying device of tilt adjustable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821389683.4U CN208631430U (en) | 2018-08-28 | 2018-08-28 | A kind of double-wall corrugated pipe conveying device of tilt adjustable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208631430U true CN208631430U (en) | 2019-03-22 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821389683.4U Expired - Fee Related CN208631430U (en) | 2018-08-28 | 2018-08-28 | A kind of double-wall corrugated pipe conveying device of tilt adjustable |
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| Country | Link |
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| CN (1) | CN208631430U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110181585A (en) * | 2019-06-24 | 2019-08-30 | 浙江宏途电气科技有限公司 | A kind of bellows processing method |
| CN112293965A (en) * | 2020-10-29 | 2021-02-02 | 中南大学 | Intelligent wardrobe |
| CN112873789A (en) * | 2020-12-28 | 2021-06-01 | 江西昌鸿管业有限公司 | Double-wave-crest lining ribbed pipe and processing technology |
| CN114633303A (en) * | 2020-12-15 | 2022-06-17 | 全能管业科技(衢州)有限公司 | Processing device is used in production of modified high density polyethylene bellows of nanometer |
-
2018
- 2018-08-28 CN CN201821389683.4U patent/CN208631430U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110181585A (en) * | 2019-06-24 | 2019-08-30 | 浙江宏途电气科技有限公司 | A kind of bellows processing method |
| CN110181585B (en) * | 2019-06-24 | 2020-12-25 | 广东捷凌电器股份有限公司 | Corrugated pipe machining method |
| CN112293965A (en) * | 2020-10-29 | 2021-02-02 | 中南大学 | Intelligent wardrobe |
| CN114633303A (en) * | 2020-12-15 | 2022-06-17 | 全能管业科技(衢州)有限公司 | Processing device is used in production of modified high density polyethylene bellows of nanometer |
| CN112873789A (en) * | 2020-12-28 | 2021-06-01 | 江西昌鸿管业有限公司 | Double-wave-crest lining ribbed pipe and processing technology |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190322 |
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| CF01 | Termination of patent right due to non-payment of annual fee |