CN208932368U - A kind of height-adjustable double-wall corrugated pipe conveying device - Google Patents
A kind of height-adjustable double-wall corrugated pipe conveying device Download PDFInfo
- Publication number
- CN208932368U CN208932368U CN201821558908.4U CN201821558908U CN208932368U CN 208932368 U CN208932368 U CN 208932368U CN 201821558908 U CN201821558908 U CN 201821558908U CN 208932368 U CN208932368 U CN 208932368U
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- CN
- China
- Prior art keywords
- thumb wheel
- upper bracket
- corrugated pipe
- height
- wall corrugated
- 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.)
- Expired - Fee Related
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- 210000003813 thumb Anatomy 0.000 claims abstract description 67
- 125000006850 spacer group Chemical group 0.000 claims description 23
- 210000004907 gland Anatomy 0.000 claims description 12
- 239000004519 grease Substances 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000005461 lubrication Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 230000006641 stabilisation Effects 0.000 abstract 1
- 238000011105 stabilization Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 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
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000004744 fabric Substances 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
- 238000005457 optimization Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Screw Conveyors (AREA)
Abstract
The utility model discloses a kind of height-adjustable double-wall corrugated pipe conveying devices.This kind of height-adjustable double-wall corrugated pipe conveying device includes the lower bracket and upper bracket being oppositely arranged, lower bracket upper end is equipped with lower groove, upper bracket lower end is equipped with upper groove body, upper groove body connected ball headstock, connecting ball head screw rod is rotated in ball cup, ball screw is divided into bulb end and screw rod end, and screw rod end is set in thread bush, and thread bush lower end is connect with lower groove；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 upper 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 ball screw to adjust the height of conveying device, the first thumb wheel and the second thumb wheel driving double-wall corrugated pipe in moving in delivery pipe, motion stabilization.
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 since the general height of conveying device can not be according to reality
Situation is adjusted, and is resulted in the need for increasing and decreasing cushion block in conveying device bottom, is just adapted to the needs of various occasions.
Utility model content
The purpose of the utility model is to provide a kind of height-adjustable conveying devices, and the process for conveying double-wall corrugated pipe is flat
Surely.
In order to realize that above-mentioned purpose of utility model, a kind of height-adjustable double-wall corrugated pipe conveying device of the utility model are adopted
With following technical solution:
A kind of height-adjustable double-wall corrugated pipe conveying device, including cylindrical lower bracket, the lower bracket upper surface are opened
Equipped with lower groove, the lower bracket upper end is provided with cylindrical upper bracket, and the upper bracket lower surface offers upper groove body, described
Upper groove body and lower groove are oppositely arranged, and height adjustment device, the height adjustment dress are provided between the upper bracket and lower bracket
The both ends for being symmetrically disposed on upper bracket and lower bracket are set, the height adjustment device includes the ball cup connecting with upper groove body, institute
It states and is rotatably connected to ball screw in ball cup, the ball screw is divided into bulb end and screw rod end, and the ball cup offers
The half-arc groove to match with bulb end, the bulb end are set in half-arc groove, are also crimped with ball on the outside of the bulb end
Head gland, the bulb gland offer the half-arc groove to match with bulb end, the semicircle of the bulb gland and ball cup
Arc slot is oppositely arranged to form arc groove, and the bulb end is set in arc groove, and the screw rod end is opened by bulb gland correspondence
If through-hole stretch out in outside, the screw rod end is set in corresponding thread bush, and the thread bush lower end is connect with lower groove,
The thread bush offers the first threaded hole to match with screw rod end screw thread, the end of thread and the first threaded hole spiral shell along length
Line connection；The upper bracket upper end is connected with delivery pipe, and the delivery pipe offers first through hole, the first through hole along axis
For conveying double-wall corrugated pipe, the delivery pipe front end is provided with the first thumb wheel, and rear end is provided with the second thumb wheel, and described first group
Wheel and the second thumb wheel are located in upper groove body and are rotatablely connected with upper bracket, and first thumb wheel and the second thumb wheel outer ring are convex along axis
There is uniformly distributed moving tooth out, the delivery pipe downside surface offers the second through-hole, first thumb wheel and the second thumb wheel upper end
Moving tooth is protruded into first through hole by the second through-hole, and when the first thumb wheel and the rotation of the second thumb wheel, moving tooth is inserted into double-walled wave thereon
For line pipe outer wall uniformly in the gap of the annular wall of protrusion, first thumb wheel center is plugged with first rotating shaft, the first rotating shaft
It is rotatablely connected with upper bracket, the first rotating shaft is also connected with driving device, the driving device driving first rotating shaft rotation, institute
It states the second thumb wheel center and is plugged with the second shaft, second shaft and upper bracket are rotatablely connected, the first rotating shaft and second
It is provided with synchronization mechanism between shaft, the synchronization mechanism includes first sprocket wheel affixed with first rotating shaft and affixed with the second shaft
The second sprocket wheel, first sprocket wheel and the second sprocket wheel same specification and the first sprocket wheel and the second sprocket wheel pass through same chain drive.
Rotating ballhead screw rod, due to the limitation of bulb gland and ball cup, so ball screw only rotates, since thread bush is under
Bracket is affixed, and screw rod end relatively rotates with thread bush, so screw rod end threadingly covers the axis of the first threaded hole opened up
Displacement, to adjust the distance between upper bracket and lower bracket；Driving device provides power to first rotating shaft, and first rotating shaft turns
It is dynamic, first rotating shaft drive the first thumb wheel connected to it, the rotation of the first sprocket wheel, since the moving tooth insertion of the first thumb wheel is double-wall corrugated
Pipe outer wall is uniformly in the gap of the annular wall of protrusion, and under the rotation of the first thumb wheel, moving tooth pushes the annular wall of double-wall corrugated pipe,
Double-wall corrugated pipe moves under the driving of moving tooth along through-hole, and the rotation of the first sprocket wheel passes to the second sprocket wheel by chain,
The rotation of second sprocket wheel is to drive coaxial the second thumb wheel rotation, when double-wall corrugated pipe moves to the through-hole other side, the
Two thumb wheels provide the driving force of movement to double-wall corrugated pipe.
It is equipped with gap between the bulb end and arc groove, the grease of lubrication is filled in the gap.Gap prevents
Bulb end is stuck with arc groove in rotation, and grease keeps the rotation at bulb end more smooth.
The through-hole wall offers seal groove, and the sealing ring for preventing grease leakage is provided in the seal groove.
Sealing ring is by grease seal in gap, preventing from causing unnecessary loss and waste.
The driving device includes the motor connecting with upper bracket, and the output shaft and first rotating shaft of the motor pass through shaft coupling
Device connection.Motor is common dynamical element, at low cost and be easily obtained, and starts motor, and the output shaft of motor passes through shaft coupling
Transmission provides power directly to first rotating shaft.
The first rotating shaft both ends and upper bracket are rotatablely connected, and described first rotating shaft one end also stretches out on the outside of upper bracket,
And connect with driving device, the part that the first rotating shaft is located in upper groove body is successively socketed with the first spacer, the first sprocket wheel,
Two spacers, the first thumb wheel, third spacer；Second both ends of the shaft and upper bracket are rotatablely connected, and second shaft is located at upper
Part in groove body is successively socketed with the 4th spacer, the second sprocket wheel, the 5th spacer, the second thumb wheel, the 6th spacer, wherein the first chain
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.It is logical
Cross the efficiency of bearing optimization first rotating shaft and the rotation of the second shaft.
The bearing is cylinder roller bearing.
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.
It is slidably connected between upper bracket and lower bracket.Upper bracket and lower bracket are slidably connected, then upper bracket and lower bracket part
Region can be overlapped, reduces the volume of entire conveying device, and when upper bracket and lower bracket are slidably connected, entirely
Conveying device is more stable.
Upper bracket both ends offer third through-hole corresponding with screw rod end, and the third through-hole is by upper bracket outer surface and upper
Groove body connection, the screw rod end is additionally provided with the plane along its axisymmetrical, the fixture when plane is as rotating ballhead screw rod
The plane of clamping.When rotating screw rod end, fixture protrudes into the plane at clamping screw rod end in upper groove body by third through-hole, rotates bulb
Screw rod is to adjust the spacing of upper bracket and lower bracket.
Compared with prior art, the utility model has the beneficial effects that: spiral shell is stretched out at rotation ball screw adjusting screw rod end
The length of line set, to realize the height for adjusting conveying device, and the first thumb wheel and the second thumb wheel cooperate double-wall corrugated pipe table
The annular wall of face protrusion pushes double-wall corrugated pipe to move along delivery pipe, and process is stablized.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 be Fig. 1 along the sectional view of A-A；
Fig. 3 is cross-sectional view of the Fig. 1 along B-B；
Fig. 4 is the C partial enlarged view of Fig. 1；
Fig. 5 is the front view of the utility model.
Wherein, 1 lower bracket, 2 lower grooves, 3 upper brackets, 4 upper groove bodies, 5 ball cups, 6 bulb ends, 7 screw rod ends, 8 bulb pressures
Lid, 9 greases, 10 seal grooves, 11 sealing rings, 12 thread bush, 13 first threaded holes, 14 delivery pipes, 15 first through hole, 16 first
Thumb wheel, 17 second thumb wheels, 18 moving teeth, 19 second through-holes, 20 first rotating shafts, 21 motors, 22 shaft couplings, 23 second shafts, 24
One sprocket wheel, 25 second sprocket wheels, 26 chains, 27 first spacers, 28 second spacers, 29 third spacers, 30 the 4th spacers, 31 the 5th every
Set, 32 the 6th spacers, 33 bearings, 34 third through-holes, 35 planes.
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, a kind of height-adjustable double-wall corrugated pipe conveying device, including cylindrical lower bracket 1, lower bracket
Upper surface offers lower groove 2, and lower bracket upper end is provided with cylindrical upper bracket 3, and upper bracket lower surface offers upper groove body 4,
Upper groove body and lower groove are oppositely arranged, and are slidably connected between upper bracket and lower bracket, and height is provided between upper bracket and lower bracket and is adjusted
Regulating device, height adjustment device are symmetrically disposed on the both ends of upper bracket and lower bracket, and height adjustment device includes connecting with upper groove body
The ball cup 5 connect is rotatably connected to ball screw in ball cup, and ball screw is divided into bulb end 6 and screw rod end 7, and ball cup is opened
Equipped with the half-arc groove to match with bulb end, bulb end is set in half-arc groove, is also crimped with bulb pressure on the outside of bulb end
Lid 8, bulb gland offer the half-arc groove to match with bulb end, and the half-arc groove of bulb gland and ball cup is oppositely arranged
Arc groove is formed, bulb end is set in arc groove, and gap is equipped between bulb end and arc groove, is used in gap filled with lubrication
Grease 9, screw rod end stretches out in outside by the corresponding through-hole opened up of bulb gland, and through-hole wall offers seal groove 10,
The sealing ring 11 for preventing grease leakage is provided in seal groove, screw rod end is set in corresponding thread bush 12, under thread bush
End is connect with lower groove, and thread bush offers the first threaded hole 13 to match with screw rod end screw thread along length, the end of thread and the
One threaded hole is threadedly coupled；Upper bracket upper end is connected with delivery pipe 14, and delivery pipe offers first through hole 15 along axis, and first is logical
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 the second thumb wheel 17, the first thumb wheel
It is located in upper groove body with the second thumb wheel and is rotatablely connected with upper bracket, the first thumb wheel and the second thumb wheel outer ring is protruding with along axis
The moving tooth 18 of cloth, moving tooth are circle-arc tooth, and excessive for circular arc between adjacent moving tooth, delivery pipe downside surface offers 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 the first thumb wheel and second group
When wheel rotation, moving tooth is inserted into the gap of the annular wall of the uniform protrusion of double-wall corrugated pipe outer wall thereon, the first thumb wheel center grafting
There is a first rotating shaft 20, first rotating shaft and upper bracket are rotatablely connected, and first rotating shaft is also connected with driving device, driving device driving the
The rotation of one shaft, driving device include the motor 21 connecting with upper bracket, and the output shaft and first rotating shaft of motor pass through shaft coupling
22 connections, the second thumb wheel center are plugged with the second shaft 23, and the second shaft and upper bracket are rotatablely connected, first rotating shaft and second turn
Between centers is provided with synchronization mechanism, and synchronization mechanism includes first sprocket wheel 24 and with second shaft affixed affixed with first rotating shaft
Two sprocket wheels 25, the first sprocket wheel and the second sprocket wheel same specification and the first sprocket wheel and the second sprocket wheel are driven by same chain 26, and first
Both ends of the shaft and upper bracket are rotatablely connected, and first rotating shaft one end also stretches out on the outside of upper bracket, and connect with driving device, first
The part that shaft is located in upper groove body is successively socketed with the first spacer 27, the first sprocket wheel, the second spacer 28, the first thumb wheel, third
Spacer 29；Second both ends of the shaft and upper bracket are rotatablely connected, and the part that the second shaft is located in upper groove body is successively socketed with the 4th
Spacer 30, the second sprocket wheel, the 5th spacer 31, the second thumb wheel, the 6th spacer 32, 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 33, outside bearing
Circle is affixed with upper bracket, and bearing is cylinder roller bearing, and upper bracket both ends are also provided with third through-hole 34 corresponding with screw rod end,
Upper bracket outer surface is connected to by third through-hole with upper groove body, and screw rod end also mills out the plane 35 along its axisymmetrical, and plane is made
The plane of fixture clamping when for rotating ballhead screw rod.
The specific work process and principle of the utility model:
Plane of the fixture by third through-hole clamping screw end, rolling clamp, thus rotating ballhead screw rod, due to bulb pressure
The limitation of lid and ball cup, so ball screw only rotates, since thread bush is affixed with lower bracket, screw rod end and thread bush
It relatively rotates, so screw rod end threadingly covers the axis shift of the first threaded hole opened up, to adjust upper bracket under
The distance between bracket has adjusted the height of conveying device；Driving device provides power to first rotating shaft, and first rotating shaft turns
It is dynamic, first rotating shaft drive the first thumb wheel connected to it, the rotation of the first sprocket wheel, since the moving tooth insertion of the first thumb wheel is double-wall corrugated
Pipe outer wall is uniformly in the gap of the annular wall of protrusion, and under the rotation of the first thumb wheel, moving tooth pushes the annular wall of double-wall corrugated pipe,
Double-wall corrugated pipe moves under the driving of moving tooth along through-hole, and the rotation of the first sprocket wheel passes to the second sprocket wheel by chain,
The rotation of second sprocket wheel is to drive coaxial the second thumb wheel rotation, when double-wall corrugated pipe moves to the through-hole other side, the
Two thumb wheels provide the driving force of movement to double-wall corrugated pipe, and process is steady.
Claims (10)
1. a kind of height-adjustable double-wall corrugated pipe conveying device, it is characterised in that: including cylindrical lower bracket, the 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 offers
Groove body, the upper groove body and lower groove are oppositely arranged, and height adjustment device, the height are provided between the upper bracket and lower bracket
Degree regulating device is symmetrically disposed on the both ends of upper bracket and lower bracket, and the height adjustment device includes the ball connecting with upper groove body
Headstock is rotatably connected to ball screw in the ball cup, and the ball screw is divided into bulb end and screw rod end, the ball cup
The half-arc groove to match with bulb end is offered, the bulb end is set in half-arc groove, is also pressed on the outside of the bulb end
It is connected to bulb gland, the bulb gland offers the half-arc groove to match with bulb end, the bulb gland and ball cup
Half-arc groove be oppositely arranged to form arc groove, the bulb end is set in arc groove, the screw rod end pass through bulb gland
The corresponding through-hole opened up stretches out in outside, and the screw rod end is set in corresponding thread bush, the thread bush lower end and lower slot
Body connection, the thread bush offer the first threaded hole to match with screw rod end screw thread, the end of thread and first along length
Threaded hole is threadedly coupled；The upper bracket upper end is connected with delivery pipe, and the delivery pipe offers first through hole along axis, described
First through hole is for conveying double-wall corrugated pipe, and the delivery pipe front end is provided with the first thumb wheel, and rear end is provided with the second thumb wheel, institute
It states the first thumb wheel and the second thumb wheel is located in upper groove body and is rotatablely connected with upper bracket, first thumb wheel and the second thumb wheel outer ring
It is protruding with uniformly distributed moving tooth along axis, the delivery pipe downside surface offers the second through-hole, first thumb wheel and second group
The moving tooth of wheel upper end is protruded into first through hole by the second through-hole, and when the first thumb wheel and the rotation of the second thumb wheel, moving tooth is inserted thereon
In the gap for entering the annular wall of the uniform protrusion of double-wall corrugated pipe outer wall, first thumb wheel center is plugged with first rotating shaft, described
First rotating shaft and upper bracket are rotatablely connected, and the first rotating shaft is also connected with driving device, and the driving device drives first turn
Axis rotation, second thumb wheel center are plugged with the second shaft, and second shaft and upper bracket are rotatablely connected, and described first turn
It is provided with synchronization mechanism between axis and the second shaft, the synchronization mechanism includes first sprocket wheel affixed with first rotating shaft and with second
The second affixed sprocket wheel of shaft, first sprocket wheel and the second sprocket wheel same specification and the first sprocket wheel and the second sprocket wheel pass through same chain
Item transmission.
2. a kind of height-adjustable double-wall corrugated pipe conveying device according to claim 1, it is characterised in that: the bulb
It is equipped with gap between end and arc groove, the grease of lubrication is filled in the gap.
3. a kind of height-adjustable double-wall corrugated pipe conveying device according to claim 1, it is characterised in that: the through-hole
Inner wall offer seal groove, the sealing ring for preventing grease leakage is provided in the seal groove.
4. according to claim 1 to any height-adjustable double-wall corrugated pipe conveying device described in 3, it is characterised in that:
The driving device includes the motor connecting with upper bracket, and the output shaft of the motor is connect with first rotating shaft by shaft coupling.
5. a kind of height-adjustable double-wall corrugated pipe conveying device according to claim 4, 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 connect with 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, the 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 the part in upper groove body successively
It is 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 are put down altogether
Face setting, the first thumb wheel and the coplanar setting of the second thumb wheel.
6. a kind of height-adjustable double-wall corrugated pipe conveying device according to claim 5, 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.
7. a kind of height-adjustable double-wall corrugated pipe conveying device according to claim 6, it is characterised in that: the bearing
For cylinder roller bearing.
8. a kind of height-adjustable double-wall corrugated pipe conveying device according to claim 7, it is characterised in that: the moving tooth
It is excessive for circular arc between adjacent moving tooth for circle-arc tooth.
9. a kind of height-adjustable double-wall corrugated pipe conveying device according to claim 8, it is characterised in that: upper bracket and
It is slidably connected between lower bracket.
10. a kind of height-adjustable double-wall corrugated pipe conveying device according to claim 9, it is characterised in that: upper bracket
Both ends offer third through-hole corresponding with screw rod end, and upper bracket outer surface is connected to by the third through-hole with upper groove body, described
Screw rod end is additionally provided with the plane along its axisymmetrical, the plane that fixture clamps when the plane is as rotating ballhead screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821558908.4U CN208932368U (en) | 2018-09-25 | 2018-09-25 | A kind of height-adjustable double-wall corrugated pipe conveying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821558908.4U CN208932368U (en) | 2018-09-25 | 2018-09-25 | A kind of height-adjustable double-wall corrugated pipe conveying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208932368U true CN208932368U (en) | 2019-06-04 |
Family
ID=66722204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821558908.4U Expired - Fee Related CN208932368U (en) | 2018-09-25 | 2018-09-25 | A kind of height-adjustable double-wall corrugated pipe conveying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208932368U (en) |
-
2018
- 2018-09-25 CN CN201821558908.4U patent/CN208932368U/en not_active Expired - Fee Related
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190604 |