CN209368636U - A kind of asphalt pavement on-site heat recoveryremixer - Google Patents
A kind of asphalt pavement on-site heat recoveryremixer Download PDFInfo
- Publication number
- CN209368636U CN209368636U CN201821800298.4U CN201821800298U CN209368636U CN 209368636 U CN209368636 U CN 209368636U CN 201821800298 U CN201821800298 U CN 201821800298U CN 209368636 U CN209368636 U CN 209368636U
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- China
- Prior art keywords
- asphalt
- pitch
- vehicle frame
- scraper conveyor
- chain scraper
- 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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- 239000010426 asphalt Substances 0.000 title claims abstract description 99
- 239000000463 material Substances 0.000 claims abstract description 42
- 238000010438 heat treatment Methods 0.000 claims abstract description 20
- 238000005303 weighing Methods 0.000 claims abstract description 11
- 238000002156 mixing Methods 0.000 claims abstract description 6
- 238000009826 distribution Methods 0.000 claims description 30
- 238000002485 combustion reaction Methods 0.000 claims description 19
- 239000007921 spray Substances 0.000 claims description 11
- 238000010926 purge Methods 0.000 claims description 10
- 239000000654 additive Substances 0.000 claims description 7
- 230000000996 additive effect Effects 0.000 claims description 7
- 230000008676 import Effects 0.000 claims description 6
- 238000010992 reflux Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 4
- 239000002283 diesel fuel Substances 0.000 claims description 3
- 239000000295 fuel oil Substances 0.000 claims description 3
- 239000010720 hydraulic oil Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 230000008929 regeneration Effects 0.000 description 5
- 238000011069 regeneration method Methods 0.000 description 5
- 238000011065 in-situ storage Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 108010066114 cabin-2 Proteins 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Road Paving Machines (AREA)
Abstract
The utility model discloses a kind of asphalt pavement on-site heat recoveryremixer, including vehicle frame, driver's cabin is provided in front of vehicle frame, virgin material addition hopper is provided in front of driver's cabin, the front part sides of vehicle frame are provided with asphalt tank, are provided with bucket elevator between two asphalt tanks, the rear of bucket elevator is provided with chain scraper conveyor, the length direction that chain scraper conveyor carries over vehicle frame is in tilted layout, and hot air heating system is configured on bucket elevator and chain scraper conveyor；It is provided with weighing hopper below the end of chain scraper conveyor, is provided with below weighing hopper and mixes pot, the pot of mixing is located at below the tail portion of vehicle frame, is additionally provided on vehicle frame for measuring sprinkling system to the pitch for mixing sprinkling new pitch material in pot；Heating mantles are provided with below the middle part of vehicle frame.The utility model effectively reduces the length of car body, and compact-sized, rationally distributed.
Description
Technical field
The utility model relates to a kind of sheet pavement in-situ heat regeneration equipment, a kind of bituminous pavement is concretely related to just
Underground heat regeneration remixer.
Background technique
Old asphalt pavement Jia Re ﹑ Fan Song ﹑ is added with hot reproducer on the spot and is regenerated by sheet pavement in-situ heat regeneration
The pavement maintenance technique of Tan Pu ﹑ compaction moulding then Ji ﹑ new pitch Hun He Liao ﹑ is stirred again after.Sheet pavement in-situ heat regeneration
Unit includes heater, remixer and paver etc., and wherein remixer is mainly to collect the Bituminous concrete surface material after heating rake pine, so
It is mixed afterwards with new pitch material and regenerative agent etc., obtains regeneration mix.However there are following several respects more in existing remixer
The problem of:
It 1, is mostly completed using the chain scraper conveyor of the single inclination arrangement of structure type when asphalt material conveys, it is difficult in this way
The body length for exempting to extend remixer, cannot reduce body length as far as possible in other words, so that remixer is there are at high cost,
The a series of problem such as inflexible.
2, existing chain scraper conveyor is when conveying asphalt material, and does not have heat insulation function, and asphalt material can be with the mistake of conveying
Journey and it is natural air cooled, pavement spread temperature requirement cannot be better meet, it is existing multiple in order to improve the temperature of asphalt material as far as possible
Machine is mixed often to be heated using heating roller.
3, the problems such as there are pipeline asphalt distribution is not clean, and heating method pollutes environment, is sprayed in pitch heating.
4, each component layout of remixer is unreasonable, not compact enough.
Utility model content
Based on above-mentioned technical problem, the utility model provides a kind of asphalt pavement on-site heat recoveryremixer.
Technical solution used by the utility model is:
A kind of asphalt pavement on-site heat recoveryremixer, including vehicle frame, are provided with driver's cabin in front of vehicle frame, are driving
It is provided with virgin material addition hopper in front of room, the front part sides of vehicle frame are provided with asphalt tank, are arranged between two asphalt tanks
There is bucket elevator, the rear of bucket elevator is provided with chain scraper conveyor, chain scraper conveyor carries over the length direction of vehicle frame
It is in tilted layout, hot air heating system is configured on bucket elevator and chain scraper conveyor；
The hot air heating system includes combustion chamber, and one end of combustion chamber connect with burner, is configured on the burner
The air outlet of air blower, combustion chamber is connected with bucket elevator, and hot gas is blown into bucket lifting from combustion chamber air outlet by air blower
Machine enters back into chain scraper conveyor heated asphalt material；The side of chain scraper conveyor is provided with return air channel, is set on return air channel
It is equipped with air-introduced machine, return air channel is connected with the air inlet of combustion chamber；
It is provided with weighing hopper below the end of chain scraper conveyor, is provided with below weighing hopper and mixes pot, it is described to mix pot
Below the tail portion of vehicle frame, it is additionally provided on vehicle frame for being to the pitch metering sprinkling for mixing sprinkling new pitch material in pot
System；
Heating mantles are provided with below the middle part of vehicle frame.
Preferably, it is provided with the diesel fuel tanks for being used to provide power fuel oil between asphalt tank and driver's cabin, is conveyed in carrier bar
It is provided with water tank above machine, air compressor machine and additive tank are provided on vehicle frame and positioned at the side of chain scraper conveyor, in vehicle
Hydraulic oil container, hydraulic air cooling radiator, power distribution cabinet and battery are provided on frame and positioned at the other side of chain scraper conveyor.
Preferably, the bucket elevator includes organism frame, and the bottom front of organism frame is provided with aggregate bin,
Aggregate bin is internally provided with material toggling tooth, the circumversion chain being vertically arranged is internally provided in organism frame, in circumversion chain
Upper interval is laid with promotion hopper, and the promotion hopper for being located at turn around lowermost end before chain is mutually connected with material toggling tooth, the carrier bar
One end of conveyer is located at turn around below the back top of chain, the boosted bunker lift of asphalt material that aggregate bin is collected, then
It is poured on chain scraper conveyor.
Preferably, the pitch metering sprinkling system includes the pitch efferent duct that one end is connected with the outlet of asphalt tank
The other end in road, pitch output channel is connect with the import of pitch solenoid valve, and pitch filtering is provided on pitch output channel
Device and asphalt delivery pump, asphalt delivery pump are connected to motor；Pitch solenoid valve wherein one outlet by pitch reflux line with
The import of asphalt tank connects；Another outlet of pitch solenoid valve is connected with asphalt distribution pipeline, sets on asphalt distribution pipeline
It is equipped with asphalt flow meter, several asphalt distribution spray heads are additionally provided on asphalt distribution pipeline；Pitch solenoid valve and three ventilations
Cylinder is connected；It is internally provided with heating tube in asphalt tank, in pitch output channel, pitch reflux line and asphalt distribution pipeline
On be wound with heater strip.
Preferably, the pitch metering sprinkling system further includes a purging pipeline being connected with asphalt distribution pipeline,
Purging pipeline on be provided with impulse electromagnetic valve and the first check valve, be provided on asphalt distribution pipeline prevent asphalt flow meter by
Purge the second one-way valve influenced.
The advantageous effects of the utility model are:
1, the utility model uses the combination transfer mode of bucket elevator and chain scraper conveyor, first mentions asphalt material vertically
It rises, then carries out carrier bar conveying again, which can reduce the length of body to a certain extent, so that remixing equipment
There are the series of advantages such as compact and flexible, at low cost.
2, the utility model is kept the temperature by hot wind simultaneously during asphalt material conveys, and asphalt material can be prevented defeated
It is cooling during sending, so as to better meet pavement spread temperature requirement, pavement spread quality is promoted, in addition compared to existing
There is technology to eliminate heating roller, structure is more compact, and production cost is low.
3, the utility model can accurate temperature of the heated asphalt to needs, and not waste of resource, and can be accurate
Metering, the additive amount for controlling pitch guarantees the accurate of final charge ratio；Furthermore it is possible to pitch remaining in pipeline be rushed dry
Only, guarantee accurate measurement and guarantee the clean of pipeline, it is free of cleaning.
4, the utility model remixer is compact-sized, rationally distributed.
Detailed description of the invention
The utility model is described in further detail with specific embodiment with reference to the accompanying drawing:
Fig. 1 is the structural schematic diagram of the utility model remixer complete machine；
Fig. 2 is that the utility model remixer removes the structural schematic diagram after the components such as asphalt tank；
Fig. 3 is the side view of the utility model remixer complete machine；
Fig. 4 is the overall structure diagram of asphalt material conveying and heating in the utility model；
Fig. 5 is the principle schematic diagram of bucket elevator in the utility model；
Fig. 6 is the principle schematic diagram that pitch measures sprinkling system in the utility model.
Specific embodiment
In conjunction with attached drawing, a kind of asphalt pavement on-site heat recoveryremixer, including vehicle frame 1, it is provided with and drives in the front of vehicle frame 1
Room 2 is sailed, the front of driver's cabin 2 is provided with virgin material addition hopper 3, the front part sides of vehicle frame 1 are provided with asphalt tank 4, two
It is provided with bucket elevator 5 between a asphalt tank, the rear of bucket elevator 5 is provided with chain scraper conveyor 6, chain scraper conveyor
6 length directions for carrying over vehicle frame 1 are in tilted layout, and hot air heating system is configured on bucket elevator 5 and chain scraper conveyor 6.
The hot air heating system includes combustion chamber 7, and one end of combustion chamber 7 connect with burner 8, matches on burner 8
It is equipped with air blower, the air outlet of combustion chamber 7 is connected with bucket elevator 5, and hot gas is blown into bucket from combustion chamber air outlet by air blower
Formula elevator enters back into chain scraper conveyor heated asphalt material.The side of chain scraper conveyor is provided with return air channel 13, in return air
Air-introduced machine 10 is provided on channel, return air channel is connected with the air inlet of combustion chamber.
It is provided with weighing hopper 11 below the end of chain scraper conveyor, is provided with below weighing hopper and mixes pot 12, it is described
It mixes pot 12 to be located at below the tail portion of vehicle frame, be additionally provided on vehicle frame for being sprayed to the pitch metering for mixing sprinkling new pitch material in pot
Spill system 9.
Heating mantles 14 are provided with below the middle part of vehicle frame.
The course of work of the utility model approximately as:
Virgin material is put into virgin material addition bucket, virgin material is sprinkling upon on milling material by carrier bar rotation, the mixture of virgin material and milling material
It being transported on chain scraper conveyor by bucket elevator, mixture heats under the thermal energy that burner provides during transportation,
Weighing hopper is fallen into chain scraper conveyor tail end mixture, weighing hopper metering weighing, which again pours into material, mixes pot, mixes in pot whipping process
Pitch and additive are sprayed, finally stirs evenly material, pot door is mixed and opens discharging.
As the further design to the utility model, it is provided with and is used to provide power between asphalt tank 4 and driver's cabin 2
The diesel fuel tanks 15 of fuel oil, are provided with water tank 16 above chain scraper conveyor, the side on vehicle frame and positioned at chain scraper conveyor
Be provided with air compressor machine 17 and additive tank 18, on vehicle frame and be located at chain scraper conveyor the other side be provided with hydraulic oil container 19,
Hydraulic air cooling radiator 20, power distribution cabinet 21 and battery 22.
Further, the bucket elevator 5 includes organism frame 501, is provided in the bottom front of organism frame 501
Aggregate bin 502, is internally provided with material toggling tooth 503 in aggregate bin, is internally provided with the revolution being vertically arranged in organism frame
Chain 504, interval, which is laid with, on circumversion chain promotes hopper 505, be located at turn around the promotion hopper of lowermost end before chain with
Material toggling tooth is mutually connected, and one end of the chain scraper conveyor is located at turn around below the back top of chain, the pitch that aggregate bin is collected
Expect boosted bunker lift, is then poured on chain scraper conveyor 6.
Mixture is by the material toggling tooth rotation inside aggregate bin, into hopper is promoted, promotes hopper and drives with turning motor
The circumversion chain of operating is lifted up.After being promoted to extreme higher position, then continue revolution downwards, at the same promoted the material mouth of hopper to
Under, the asphalt material promoted in hopper is poured into chain scraper conveyor, then continues to convey by chain scraper conveyor.It is same with this
When, burner flame is burnt in the combustion chamber, heats air, and combustion chamber air outlet is connected with bucket elevator, combustor blast
Hot gas is blown into bucket elevator from combustion chamber air outlet by machine, enters back into chain scraper conveyor heated asphalt material, hot gas cycle to chain
Plate conveyer rear end enters air-introduced machine from chain scraper conveyor side air duct under the action of air-introduced machine, then again by air duct into
Enter combustion chamber, participates in heat cycles again.
Further, the pitch metering sprinkling system 9 includes the pitch output that one end is connected with the outlet of asphalt tank
The other end of pipeline 901, pitch output channel is connect with the import of pitch solenoid valve 902, is provided on pitch output channel
Asphalt filter 903 and asphalt delivery pump 904, asphalt delivery pump 904 are connect with motor 905.Wherein the one of pitch solenoid valve 902
Outlet is connect by pitch reflux line 906 with the import of asphalt tank.Another outlet of pitch solenoid valve 902 and asphalt-spraying
Road 907 is connected, and asphalt flow meter 908 is provided on asphalt distribution pipeline, is additionally provided on asphalt distribution pipeline several
A asphalt distribution spray head 909.Pitch solenoid valve 902 is connected with threeway cylinder 9010.Heating is internally provided in asphalt tank
Pipe, is wound with heater strip on pitch output channel, pitch reflux line and asphalt distribution pipeline.Pitch metering sprinkling system
System is also while the spraying pipe as additive, asphalt distribution pipeline are connected with additive tank 18.
Further, the pitch metering sprinkling system further includes a purging pipeline being connected with asphalt distribution pipeline
9011, it is provided with impulse electromagnetic valve 9012 and the first check valve 9013 on purging pipeline 9011, is set on asphalt distribution pipeline
It is equipped with the second one-way valve 9014 for preventing asphalt flow meter from being influenced by purging.
Asphalt tank, pitch heat cycles pipeline, asphalt distribution spray head are heated to pitch before remixer start-up operation
It is not aging and has reached minimum sprinkling and require temperature, this group of data can be obtained by testing.The temperature of pitch is 130
DEG C, the temperature of pitch heat cycles pipeline is 90 DEG C, and the temperature at asphalt distribution spray head 6 is 110 DEG C.
Before normal start-up operation, pitch motor is opened, after the proportion of processing honest material, has obtained pitch add value,
Start the automatic spraying of pitch, cold primer-oil can flow through asphalt filter from asphalt tank, and the contaminant filter in pitch is clean, so
Asphalt delivery pump is reached afterwards, and when pitch solenoid valve is not switched on, pitch flows out in asphalt tank flows back to asphalt tank again, forms one
Circulation.When control device obtains the signal of asphalt distribution, pitch solenoid valve can be automatically opened, and asphalt distribution spray head starts to spray
Pitch, until the counting of asphalt flow meter has reached pre-set charge ratio, closing pitch solenoid valve.In order to make spray outlet
The asphalt distribution at place is clean, to guarantee accurate measurement, impulse electromagnetic valve can be automatically opened several seconds after several seconds, after flowmeter
Pipeline and spray outlet purging are remaining clean, and second one-way valve makes pitch that can only spray spray from the pipeline flow-direction after flowmeter
Head, and cannot be toward asphalt flow meter stream, therefore the counting of asphalt flow meter will not change in this process.
It takes or uses for reference prior art and can be realized in the part that do not addressed in aforesaid way.
It should be noted that under the introduction of this specification, any equivalent substitute side made by those skilled in the art
Formula or obvious mode of texturing, should be covered by the scope of the present utility model within.
Claims (5)
1. a kind of asphalt pavement on-site heat recoveryremixer, it is characterised in that: including vehicle frame, driving is provided in front of vehicle frame
Room is provided with virgin material addition hopper in front of driver's cabin, the front part sides of vehicle frame is provided with asphalt tank, in two asphalt tanks
Between be provided with bucket elevator, the rear of bucket elevator is provided with chain scraper conveyor, chain scraper conveyor carries over vehicle frame
Length direction is in tilted layout, and hot air heating system is configured on bucket elevator and chain scraper conveyor；
The hot air heating system includes combustion chamber, and one end of combustion chamber is connect with burner, is configured with air blast on the burner
The air outlet of machine, combustion chamber is connected with bucket elevator, and hot gas is blown into bucket elevator from combustion chamber air outlet by air blower, then
Into chain scraper conveyor heated asphalt material；The side of chain scraper conveyor is provided with return air channel, is provided on return air channel
Air-introduced machine, return air channel are connected with the air inlet of combustion chamber；
It is provided with weighing hopper below the end of chain scraper conveyor, is provided with below weighing hopper and mixes pot, the pot of mixing is located at
Below the tail portion of vehicle frame, it is additionally provided on vehicle frame for measuring sprinkling system to the pitch for mixing sprinkling new pitch material in pot；
Heating mantles are provided with below the middle part of vehicle frame.
2. a kind of asphalt pavement on-site heat recoveryremixer according to claim 1, it is characterised in that: in asphalt tank and drive
It sails and is provided with the diesel fuel tanks for being used to provide power fuel oil between room, water tank is provided with above chain scraper conveyor, on vehicle frame
And the side for being located at chain scraper conveyor is provided with air compressor machine and additive tank, the other side on vehicle frame and positioned at chain scraper conveyor
It is provided with hydraulic oil container, hydraulic air cooling radiator, power distribution cabinet and battery.
3. a kind of asphalt pavement on-site heat recoveryremixer according to claim 1, it is characterised in that: the bucket lifting
Machine includes organism frame, and the bottom front of organism frame is provided with aggregate bin, is internally provided with material toggling tooth in aggregate bin,
Organism frame is internally provided with the circumversion chain being vertically arranged, and interval is laid with promotion hopper on circumversion chain, is located at back
The promotion hopper for turning lowermost end before chain is mutually connected with material toggling tooth, after one end of the chain scraper conveyor is located at turn around chain
Then lower section at the top of face, the boosted bunker lift of asphalt material that aggregate bin is collected are poured on chain scraper conveyor.
4. a kind of asphalt pavement on-site heat recoveryremixer according to claim 1, it is characterised in that: the pitch metering
Sprinkling system includes the pitch output channel that one end is connected with the outlet of asphalt tank, the other end and pitch of pitch output channel
The import of solenoid valve connects, and asphalt filter and asphalt delivery pump, asphalt delivery pump and electricity are provided on pitch output channel
Machine connection；A wherein outlet for pitch solenoid valve is connected by the import of pitch reflux line and asphalt tank；Pitch solenoid valve
Another outlet is connected with asphalt distribution pipeline, asphalt flow meter is provided on asphalt distribution pipeline, in asphalt distribution pipeline
On be additionally provided with several asphalt distribution spray heads；Pitch solenoid valve is connected with threeway cylinder；In being internally provided with for asphalt tank
Heating tube is wound with heater strip on pitch output channel, pitch reflux line and asphalt distribution pipeline.
5. a kind of asphalt pavement on-site heat recoveryremixer according to claim 4, it is characterised in that: the pitch metering
Sprinkling system further includes a purging pipeline being connected with asphalt distribution pipeline, purging pipeline on be provided with impulse electromagnetic valve and
First check valve is provided with the second one-way valve for preventing asphalt flow meter from being influenced by purging on asphalt distribution pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821800298.4U CN209368636U (en) | 2018-11-02 | 2018-11-02 | A kind of asphalt pavement on-site heat recoveryremixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821800298.4U CN209368636U (en) | 2018-11-02 | 2018-11-02 | A kind of asphalt pavement on-site heat recoveryremixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209368636U true CN209368636U (en) | 2019-09-10 |
Family
ID=67835893
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821800298.4U Expired - Fee Related CN209368636U (en) | 2018-11-02 | 2018-11-02 | A kind of asphalt pavement on-site heat recoveryremixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209368636U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109371783A (en) * | 2018-11-02 | 2019-02-22 | 山东畅通集团股份有限公司 | A kind of asphalt pavement on-site heat recoveryremixer |
-
2018
- 2018-11-02 CN CN201821800298.4U patent/CN209368636U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109371783A (en) * | 2018-11-02 | 2019-02-22 | 山东畅通集团股份有限公司 | A kind of asphalt pavement on-site heat recoveryremixer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201028 Address after: 261506 No.6 pingri Road, Jiangzhuang Town, Gaomi City, Weifang City, Shandong Province Patentee after: Shandong Expressway changtongdao Bridge Engineering Co.,Ltd. Address before: 261506, opposite the north exit of Gaomi Jiqing Expressway, Gaomi City, Weifang City, Shandong Province Patentee before: SHANDONG CHANGTONG GROUP Co.,Ltd. |
|
| 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: 20190910 |