CN207087571U - A kind of Prestressed concrete cylinder pipe road bellmouth and socket sanding apparatus - Google Patents
A kind of Prestressed concrete cylinder pipe road bellmouth and socket sanding apparatus Download PDFInfo
- Publication number
- CN207087571U CN207087571U CN201720874052.0U CN201720874052U CN207087571U CN 207087571 U CN207087571 U CN 207087571U CN 201720874052 U CN201720874052 U CN 201720874052U CN 207087571 U CN207087571 U CN 207087571U
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- Prior art keywords
- bellmouth
- prestressed concrete
- pipe road
- concrete cylinder
- sanding apparatus
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Abstract
The utility model discloses a kind of Prestressed concrete cylinder pipe road bellmouth and socket sanding apparatus, including frame, support and movable stand, support includes vertical beam and horizontal beam, vertical beam lower end is fixed on horizontal beam and upper end is provided with Wire pulling seat, and horizontal beam both ends are respectively arranged with a driven pulley；Frame upper and lower ends are respectively arranged with pulley and driving wheel, driving wheel connection has first driving means, first driving means are fixedly arranged in frame, and frame can slide up and down along vertical beam, and frame is connected with Wire pulling seat by steel wire rope and the payload segment of steel wire rope bypasses on pulley；Movable stand is connected on support, and movable stand lower end is provided with the roller that a surface is provided with steel wire, and roller connection has the second drive device, and the second drive device is fixedly arranged on movable stand；Driving wheel, driven pulley and roller are respectively positioned on the same side of support and diameter parallel.The utility model Prestressed concrete cylinder pipe road bellmouth is easy to use with socket sanding apparatus and operating efficiency is high.
Description
Technical field
Pipeline grinding technology field is the utility model is related to, more particularly to a kind of Prestressed concrete cylinder pipe road bellmouth
With socket sanding apparatus.
Background technology
Prestressed concrete cylinder pipe (PrestressedConereteCylinderPipe) abbreviation PCCP, prestress steel
Cylinder concrete tube core in the fabrication process, it is necessary to by concreting, twine silk, spray after the steel cylinder in PCCP completes
The processes such as mortar cover, it can just obtain a complete tube core.During concreting and whitewashing, PCCP's holds, inserts
Mouth can inevitably adhere to more concrete and mortar, because Prestressed concrete cylinder pipe core is after underground is embedded to, need
Held by PCCP, sealing is completed in the mutual cooperation of socket, this requires to hold, socket has high accuracy, while socket joint discharge surface has
There is attachment to meet corrosion-resistant requirement.Therefore, in follow-up production process, it is necessary to will hold, the coagulation of jack surfaces
Soil and mortar are cleaned out, first, meeting the requirement of follow-up anticorrosion with painting material, second, ensureing Prestressed concrete cylinder pipe road
The bell and spigot dimensional accuracy of core.
At present, existing technology is to use manual polishing method, in the special sanding machine of both ends man-hour manually hand-held of tube core, to pipe
The outer wall of core socket, the inwall of bellmouth polish, and " this method has the following disadvantages:1st, polishing it is less efficient, 2, need
More is artificial, 3, the precision of polishing had a great influence by worker's subjectivity, 4, dangerous in bruting process.
Utility model content
The purpose of this utility model is to provide a kind of Prestressed concrete cylinder pipe road bellmouth and socket sanding apparatus, with solution
Certainly the above-mentioned problems of the prior art, can be easily by the mixed of Prestressed concrete cylinder pipe road bellmouth and jack surfaces
Solidifying soil and mortar polishing, clean out, reduce the labor intensity of operating personnel and improve grinding efficiency.
To achieve the above object, the utility model provides following scheme：The utility model provides a kind of pre-stress steel cylinder
Concrete duct bellmouth and socket sanding apparatus, including frame, support and movable stand, the support include vertical beam and level
Beam, the vertical beam lower end is fixed on the horizontal beam and upper end is provided with Wire pulling seat, the horizontal beam both ends difference
It is provided with a driven pulley；The frame upper and lower ends are respectively arranged with pulley and driving wheel, and the driving wheel connection has first
Drive device, the first driving means are fixedly arranged in the frame, and the frame can slide up and down along the vertical beam, institute
State that frame is connected with the Wire pulling seat by steel wire rope and the payload segment of the steel wire rope bypasses on the pulley；Institute
State movable stand connection on the bracket, the movable stand lower end is provided with the roller that a surface is provided with steel wire, the roller
Connection has the second drive device, and second drive device is fixedly arranged on the movable stand；The driving wheel, driven pulley and roller
It is respectively positioned on the same side of the support and diameter parallel.
Preferably, the movable stand includes sleeve pipe, inserting column and crossbeam, the inserting column and the beam vertical and the inserting column
One end is fixedly arranged on the crossbeam, and described sleeve pipe is sheathed on the inserting column and is fixedly arranged on the horizontal beam, outside described sleeve pipe
Wall is provided with a nut, and a leading screw is provided with the crossbeam and is coordinated with the nut.
Preferably, the vertical beam welds together with the horizontal beam, and the inserting column is together with the beam welding.
Preferably, the first driving means are motor, and the motor drives the active to rotate by chain-drive mechanism
It is dynamic, the first sprocket wheel that the chain-drive mechanism includes being arranged on the output shaft of the motor, the master for being arranged on the driving wheel
The second sprocket wheel on moving axis and the chain being wound on first sprocket wheel and second sprocket wheel.
Preferably, the diameter of first sprocket wheel is less than the diameter of second sprocket wheel.
Preferably, second drive device is servomotor, and the servomotor drives institute by belt wheel transmission mechanism
State roller rotation, the belt wheel transmission mechanism include be arranged on the servo motor output shaft first pulley, be arranged on institute
The transmission belt stated the second belt wheel on the input shaft of roller and be wound in the first pulley and second belt wheel.
Preferably, the diameter of the first pulley is more than the diameter of second belt wheel.
Preferably, the steel wire is evenly distributed on the cylinder surface.
Preferably, the pulley is vertical with the driving wheel axis.
The utility model also provides a kind of based on above-mentioned Prestressed concrete cylinder pipe road bellmouth and socket sanding apparatus
Prestressed concrete cylinder pipe road bellmouth and socket polishing process：When needing polishing Prestressed concrete cylinder pipe road bellmouth, make
The roller and two driven pulleys are close to the internal wall of pipe orifice of socket, then tense the Wire pulling seat, make institute
The mouth of pipe outer wall that driving wheel is close to socket is stated, it is last to start the first driving means and second drive device simultaneously；
When needing polishing Prestressed concrete cylinder pipe road socket, the driving wheel is set to be close to the internal wall of pipe orifice of spigot first, by institute
Stating Wire pulling seat and tensing makes two driven pulleys be close to the mouth of pipe outer wall of spigot, the roller is close to spigot
Mouth of pipe outer wall, it is last to start the first driving means and second drive device simultaneously.
The utility model Prestressed concrete cylinder pipe road bellmouth and socket sanding apparatus and method are compared with prior art
Achieve following technique effect：
The utility model Prestressed concrete cylinder pipe road bellmouth and socket sanding apparatus are simple in construction, easy to use, profit
Can be easily by prestressing force with the utility model Prestressed concrete cylinder pipe road bellmouth and socket sanding apparatus and method
Steel production route bellmouth and the polishing of the concrete and mortar of jack surfaces, clean out, only need to control in scale removal process
The open and close of motor and controlled motor, dramatically reduce the labor intensity of operating personnel, improve polishing
Efficiency, and ensure that polishing precision.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
In the required accompanying drawing used be briefly described, it should be apparent that, drawings in the following description are only of the present utility model
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other accompanying drawings.
Fig. 1 is that the utility model Prestressed concrete cylinder pipe road bellmouth shows with a kind of structure at visual angle of socket sanding apparatus
It is intended to；
Fig. 2 is the utility model Prestressed concrete cylinder pipe road bellmouth and the structure at socket sanding apparatus another kind visual angle
Schematic diagram；
Fig. 3 is the structure of the utility model Prestressed concrete cylinder pipe road bellmouth and hold-down mechanism in socket sanding apparatus
Schematic diagram；
Fig. 4 is the structure of the utility model Prestressed concrete cylinder pipe road bellmouth and supporting mechanism in socket sanding apparatus
Schematic diagram；
Fig. 5 is the structure of the utility model Prestressed concrete cylinder pipe road bellmouth and workpiece polishing mechanism in socket sanding apparatus
Schematic diagram；
Wherein, 1- hold-down mechanisms, 101- frames, 102- motors, 103- driving wheels, 104- driving shafts, 105- pulleys, 11-
Chain wheel driving mechanism, the sprocket wheels of 111- first, the sprocket wheels of 112- second, 2- supporting mechanisms, 201- supports, 202- Wire pulling seats, 21-
Follower, 211- driven pulleys, 212- driven shafts, 3- workpiece polishing mechanisms, 301- movable stands, 302- servomotors, 303- rollers,
31- belt wheel transmissions mechanism, the belt wheels of 311- second, 312- first pulleys, 313- input shafts.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
The purpose of this utility model is to provide a kind of Prestressed concrete cylinder pipe road bellmouth and socket sanding apparatus, with solution
The problem of certainly prior art is present, can be easily by Prestressed concrete cylinder pipe road bellmouth and the concrete of jack surfaces
Polish, clean out with mortar, reduce the labor intensity of operating personnel and improve grinding efficiency.
The utility model provides a kind of Prestressed concrete cylinder pipe road bellmouth and socket sanding apparatus, including frame, branch
Frame and movable stand, the support include vertical beam and horizontal beam, and the vertical beam lower end is fixed on the horizontal beam and upper end
Wire pulling seat is provided with, the horizontal beam both ends are respectively arranged with a driven pulley；The frame upper and lower ends are set respectively
There are pulley and driving wheel, the driving wheel connection has first driving means, and the first driving means are fixedly arranged in the frame,
The frame can be slided up and down along the vertical beam, and the frame is connected and described with the Wire pulling seat by steel wire rope
The payload segment of steel wire rope bypasses on the pulley；On the bracket, the movable stand lower end is set for the movable stand connection
The roller that a surface is provided with steel wire is equipped with, the roller connection has the second drive device, and second drive device is fixedly arranged on
On the movable stand；The driving wheel, driven pulley and roller are respectively positioned on the same side of the support and diameter parallel.
The utility model also provides a kind of based on above-mentioned Prestressed concrete cylinder pipe road bellmouth and socket sanding apparatus
Prestressed concrete cylinder pipe road bellmouth and socket polishing process：When needing polishing Prestressed concrete cylinder pipe road bellmouth, make
The roller and two driven pulleys are close to the internal wall of pipe orifice of socket, then tense the Wire pulling seat, make institute
The mouth of pipe outer wall that driving wheel is close to socket is stated, it is last to start the first driving means and second drive device simultaneously；
When needing polishing Prestressed concrete cylinder pipe road socket, the driving wheel is set to be close to the internal wall of pipe orifice of spigot first, by institute
Stating Wire pulling seat and tensing makes two driven pulleys be close to the mouth of pipe outer wall of spigot, the roller is close to spigot
Mouth of pipe outer wall, it is last to start the first driving means and second drive device simultaneously.
The utility model Prestressed concrete cylinder pipe road bellmouth and socket sanding apparatus are simple in construction, easy to use, profit
Can be easily by prestressing force with the utility model Prestressed concrete cylinder pipe road bellmouth and socket sanding apparatus and method
Steel production route bellmouth and the polishing of the concrete and mortar of jack surfaces, clean out.
To enable above-mentioned purpose of the present utility model, feature and advantage more obvious understandable, below in conjunction with the accompanying drawings and tool
Body embodiment is described in further detail to the utility model.
As illustrated in fig. 1 and 2, the present embodiment Prestressed concrete cylinder pipe road bellmouth includes compacting machine with socket sanding apparatus
Structure 1, supporting mechanism 2 and workpiece polishing mechanism 3；
Wherein, as shown in figure 3, hold-down mechanism 1 includes frame 101, pulley 105, driving wheel 103 and motor 102, pulley
105 and driving wheel 103 be separately positioned on the upper and lower ends of frame 101, the axis of pulley 105 is perpendicular to actively in the present embodiment
The axis of wheel 103, motor 102 are fixedly arranged in frame 101, and motor 102 drives driving wheel 103 to rotate by chain-drive mechanism, chain
Transmission mechanism include be arranged on the output shaft of motor 102 the first sprocket wheel 111, be arranged on the driving shaft 104 of driving wheel 103
The second sprocket wheel 112 and the chain that is wound on the first sprocket wheel 111 and the second sprocket wheel 112, the diameter of the first sprocket wheel 111 be less than the
The diameter of two sprocket wheels 112.
Wrapped as shown in figure 4, supporting mechanism 2 includes support 201, Wire pulling seat 202 and two driven pulleys 211, support 201
Vertical beam and horizontal beam are included, vertical beam lower end is welded on horizontal beam, and Wire pulling seat 202 is arranged at vertical beam upper end, two
Driven pulley 211 is respectively arranged at the both ends of horizontal beam, is connected between driven pulley 211 and horizontal beam by driven shaft 212, and driven
Axle 212 forms follower 21 parallel to driving shaft 104, driven pulley 211 with driven shaft 212.
Frame 101 is slidably arranged on the vertical beam of support 201, is connected with a steel wire rope in frame 101, steel wire rope it is another
One end is arranged on Wire pulling seat 202 and the payload segment of steel wire rope bypasses on pulley 105, passes through Wire pulling seat 202
Tense or loosen steel wire rope and can adjust frame 101 and slided up and down along vertical beam.
As shown in figure 5, workpiece polishing mechanism 3 includes movable stand 301, roller 303 and servomotor 302, movable stand 301 includes set
Pipe, inserting column and crossbeam, inserting column are welded on crossbeam with beam vertical and inserting column one end, and sleeve pipe is sheathed on inserting column and is fixedly arranged on branch
On the horizontal beam of frame 201, sleeve outer wall is provided with a nut, and a leading screw is provided with crossbeam and is coordinated with nut；Roller 303 is arranged at
On crossbeam, the surface of roller 303 is evenly arranged with steel wire, and roller 303 is connected with crossbeam by input shaft 313, and the input shaft 313 is flat
Row is arranged in frame 101 in the driven shaft 212 of driven pulley 211, servomotor 302, and servomotor 302 passes through belt wheel transmission machine
Structure 31 drives roller 303 to rotate, belt wheel transmission mechanism 31 include being arranged on first pulley 312 on the output shaft of servomotor 302,
The second belt wheel 311 being arranged on the input shaft 313 of roller 303 and the biography being wound on the belt wheel 311 of first pulley 312 and second
Dynamic band, the diameter of first pulley 312 are more than the diameter of the second belt wheel 311；By rotating nuts can make inserting column in sleeve pipe on
Lower movement, so as to which the distance between crossbeam and horizontal beam be adjusted, that is, realize the regulation to the position of roller 303.
It is worth noting that, driving wheel 103, driven pulley 211 and roller 303 are respectively positioned on the same side of support 201.
The present embodiment also provides a kind of pre- based on above-mentioned Prestressed concrete cylinder pipe road bellmouth and socket sanding apparatus
Stress steel production route bellmouth and socket polishing process：
First, when needing to polish Prestressed concrete cylinder pipe road bellmouth, supporting mechanism 2 and workpiece polishing mechanism 3 are placed on
On the inside of bellmouth, two driven pulleys 211 are made to be close to the internal wall of pipe orifice of socket first；Then Wire pulling seat 202 is tensed, made
Driving wheel 103 is close to the mouth of pipe outer wall of socket, and mouth of pipe wall is stuck between driving wheel 103 and driven pulley 211；Then spiral shell is rotated
It is female to be moved up and down by screw-nut structure regulation workpiece polishing mechanism 3, roller 303 is close to the internal wall of pipe orifice of socket, it is last same
Shi Qidong motors 102 and servomotor 302, motor 102 drive driving wheel 103 to be moved along mouth of pipe outer wall by chain wheel driving mechanism 11
It is dynamic, while by belt wheel transmission mechanism 31 to drive roller 303 can not stall for servomotor 302, the steel wire on the surface of roller 303 is with holding
The fierce friction such as the concrete of intraoral wall, glue sand, makes concrete, glue sand etc. be come off from bellmouth inwall, and driving wheel 103 is along outside the mouth of pipe
Wall can also drive driven pulley 211, roller 303 to be moved along bellmouth inwall during moving, so as to by whole bellmouth inner wall cleaning
Totally；
2nd, when needing to polish Prestressed concrete cylinder pipe road socket, hold-down mechanism 1 is placed on the inside of socket, it is first
Driving wheel 103 is first set to be close to the internal wall of pipe orifice of spigot, Wire pulling seat 202 is tensed into two driven pulleys 211 is close to spigot
Mouth of pipe outer wall；Then rotating nuts adjust workpiece polishing mechanism 3 by screw-nut structure and moved up and down, and make roller 303 be close to insert
Mouth of pipe outer wall at mouthful, last to start the servomotor 302 of motor 102 simultaneously, motor 102 is driven by chain wheel driving mechanism 11 and led
Driving wheel 103 moves along internal wall of pipe orifice, while servomotor 302 does not stall dynamic, rolling by the drive roller 303 of belt wheel transmission mechanism 31
The steel wire on 303 surfaces of cylinder and the concrete of receptacle wall, glue sand etc. are fierce to rub, and concrete, glue sand etc. is taken off from receptacle wall
Falling, driving wheel 103 can also drive driven pulley 211, roller 303 to be moved along receptacle wall during being moved along internal wall of pipe orifice, from
And whole receptacle wall is cleaned out.
It is worth noting that, polished using the present embodiment Prestressed concrete cylinder pipe road bellmouth and socket sanding apparatus
During the internal wall of pipe orifice of Prestressed concrete cylinder pipe road socket, the longer driven pulley 211 of use is close in the mouth of pipe of socket
Wall；And using the present embodiment Prestressed concrete cylinder pipe road bellmouth and socket sanding apparatus polishing prestress steel cylinder concrete
During the mouth of pipe outer wall of pipeline spigot, due to being additionally provided with the mouth of pipe outer wall of some Prestressed concrete cylinder pipe road spigots
Seal groove, longer driven pulley 211 can not be stablized to be bonded with the mouth of pipe outer wall of spigot, therefore in the mouth of pipe outer wall of polishing spigot
When each longer driven pulley can be replaced with two spaced, shorter driven pulleys, i.e., set altogether on supporting mechanism 2
Four short driven pulleys, two short driven pulleys of inner side are made to be stuck in seal groove, two short driven pulleys in outside are close to outside the mouth of pipe
On wall, the socket tube wall in Prestressed concrete cylinder pipe road is clamped with can so making sanding apparatus monolithic stability, so as to enter
The follow-up polishing work of row.
, it is necessary to explanation in description of the present utility model, term " on ", " under ", " horizontal stroke ", " vertical ", " level ",
The orientation or position relationship of the instructions such as " interior ", " outer " are based on orientation shown in the drawings or position relationship, are for only for ease of and retouch
State the utility model and simplify and describe, rather than instruction or imply signified device or element must have deposit specific orientation, with
Specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " first ", " mat woven of fine bamboo strips two "
It is only used for describing purpose, and it is not intended that instruction or hint relative importance.The upper downward of workpiece polishing mechanism in the utility model
The mode of section is not limited with the present embodiment, and those skilled in the art can think on the basis of the utility model core concept is known
To realizing the regulation up and down of the i.e. roller of workpiece polishing mechanism, should falling otherwise within the scope of protection of the utility model.
Specific case used herein is set forth to principle of the present utility model and embodiment, above example
Explanation be only intended to help and understand method and its core concept of the present utility model；Meanwhile for the general technology of this area
Personnel, according to thought of the present utility model, there will be changes in specific embodiments and applications.In summary,
This specification content should not be construed as to limitation of the present utility model.
Claims (9)
1. a kind of Prestressed concrete cylinder pipe road bellmouth and socket sanding apparatus, it is characterised in that：Including frame, support and shifting
Moving frame, the support include vertical beam and horizontal beam, and the vertical beam lower end is fixed on the horizontal beam and upper end is provided with
Wire pulling seat, the horizontal beam both ends are respectively arranged with a driven pulley；The frame upper and lower ends are respectively arranged with pulley
And driving wheel, the driving wheel connection have first driving means, the first driving means are fixedly arranged in the frame, the machine
Frame can slide up and down along the vertical beam, and the frame is connected with the Wire pulling seat by steel wire rope and the steel wire rope
Payload segment bypassed on the pulley；On the bracket, the movable stand lower end is provided with one for the movable stand connection
Surface is provided with the roller of steel wire, and the roller connection has the second drive device, and second drive device is fixedly arranged on the shifting
In moving frame；The driving wheel, driven pulley and roller are respectively positioned on the same side of the support and diameter parallel.
2. Prestressed concrete cylinder pipe road according to claim 1 bellmouth and socket sanding apparatus, it is characterised in that：Institute
Stating movable stand includes sleeve pipe, inserting column and crossbeam, and the inserting column is fixedly arranged on the horizontal stroke with the beam vertical and described inserting column one end
Liang Shang, described sleeve pipe are sheathed on the inserting column and are fixedly arranged on the horizontal beam, and described sleeve pipe outer wall is provided with a nut, institute
State and a leading screw and nut cooperation are provided with crossbeam.
3. Prestressed concrete cylinder pipe road according to claim 2 bellmouth and socket sanding apparatus, it is characterised in that：Institute
State vertical beam with the horizontal beam to weld together, the inserting column is together with the beam welding.
4. Prestressed concrete cylinder pipe road according to claim 3 bellmouth and socket sanding apparatus, it is characterised in that：Institute
It is motor to state first driving means, and the motor drives the driving wheel to rotate by chain-drive mechanism, the chain-drive mechanism
Including the first sprocket wheel being arranged on the output shaft of the motor, the second sprocket wheel being arranged on the driving shaft of the driving wheel with
And it is wound on the chain on first sprocket wheel and second sprocket wheel.
5. Prestressed concrete cylinder pipe road according to claim 4 bellmouth and socket sanding apparatus, it is characterised in that：Institute
The diameter for stating the first sprocket wheel is less than the diameter of second sprocket wheel.
6. Prestressed concrete cylinder pipe road according to claim 5 bellmouth and socket sanding apparatus, it is characterised in that：Institute
It is servomotor to state the second drive device, and the servomotor drives the roller to rotate by belt wheel transmission mechanism, the band
Wheel drive mechanism include be arranged on the servo motor output shaft first pulley, be arranged on the input shaft of the roller
Second belt wheel and the transmission belt being wound in the first pulley and second belt wheel.
7. Prestressed concrete cylinder pipe road according to claim 6 bellmouth and socket sanding apparatus, it is characterised in that：Institute
The diameter for stating first pulley is more than the diameter of second belt wheel.
8. Prestressed concrete cylinder pipe road according to claim 1 bellmouth and socket sanding apparatus, it is characterised in that：Institute
State steel wire and be evenly distributed on the cylinder surface.
9. Prestressed concrete cylinder pipe road according to claim 1 bellmouth and socket sanding apparatus, it is characterised in that：Institute
It is vertical with the driving wheel axis to state pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720874052.0U CN207087571U (en) | 2017-07-19 | 2017-07-19 | A kind of Prestressed concrete cylinder pipe road bellmouth and socket sanding apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720874052.0U CN207087571U (en) | 2017-07-19 | 2017-07-19 | A kind of Prestressed concrete cylinder pipe road bellmouth and socket sanding apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207087571U true CN207087571U (en) | 2018-03-13 |
Family
ID=61544616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720874052.0U Withdrawn - After Issue CN207087571U (en) | 2017-07-19 | 2017-07-19 | A kind of Prestressed concrete cylinder pipe road bellmouth and socket sanding apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207087571U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107150280A (en) * | 2017-07-19 | 2017-09-12 | 河北工程大学 | A kind of Prestressed concrete cylinder pipe road bellmouth and socket sanding apparatus and method |
| CN110355628A (en) * | 2019-07-26 | 2019-10-22 | 烟台工程职业技术学院(烟台市技师学院) | A kind of inner wall of the pipe arrangement for grinding |
-
2017
- 2017-07-19 CN CN201720874052.0U patent/CN207087571U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107150280A (en) * | 2017-07-19 | 2017-09-12 | 河北工程大学 | A kind of Prestressed concrete cylinder pipe road bellmouth and socket sanding apparatus and method |
| CN110355628A (en) * | 2019-07-26 | 2019-10-22 | 烟台工程职业技术学院(烟台市技师学院) | A kind of inner wall of the pipe arrangement for grinding |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20180313 Effective date of abandoning: 20230725 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20180313 Effective date of abandoning: 20230725 |
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