CN111304997B - Asphalt laying equipment for municipal engineering building - Google Patents
Asphalt laying equipment for municipal engineering building Download PDFInfo
- Publication number
- CN111304997B CN111304997B CN202010131716.0A CN202010131716A CN111304997B CN 111304997 B CN111304997 B CN 111304997B CN 202010131716 A CN202010131716 A CN 202010131716A CN 111304997 B CN111304997 B CN 111304997B
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- China
- Prior art keywords
- discharging pipe
- sealing plate
- machine body
- asphalt
- sliding
- 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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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/02—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
- E01C19/10—Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic binders, e.g. with bitumen, with resins, i.e. producing mixtures or coating aggregates otherwise than by penetrating or surface dressing; Apparatus for premixing non-hydraulic mixtures prior to placing or for reconditioning salvaged non-hydraulic compositions
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/12—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials
- E01C19/16—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials for applying or spreading liquid materials, e.g. bitumen slurries
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Machines (AREA)
Abstract
The invention relates to asphalt laying equipment for municipal engineering buildings, which belongs to the field of municipal construction and comprises a machine body, wherein a stirring bin is arranged on the machine body, a stirrer is arranged in the stirring bin, a heating device is arranged outside the stirring bin, a storage bin is arranged on the machine body and positioned on one side of the stirring bin, the storage bin is communicated with the stirring bin, an asphalt pump is arranged on the storage bin, the input end of the asphalt pump is communicated with the storage bin, a discharging pipe is arranged on the output end of the asphalt pump, one end, far away from the asphalt pump, of the discharging pipe extends to a position close to the bottom of the machine body, a sealing plate is arranged on the discharging pipe and positioned at the end, far away from the asphalt pump, of the discharging pipe, the sealing plate is connected to the discharging pipe in a sliding mode along the length direction perpendicular to the discharging pipe, one side of the sealing plate is abutted to the side wall of the machine body, and a driving device for controlling the movement of the sealing plate is arranged on the machine body. The invention has the effect of conveniently controlling the outflow speed of the asphalt.
Description
Technical Field
The invention relates to the technical field of municipal construction, in particular to asphalt laying equipment for municipal engineering buildings.
Background
When laying the construction of waterproof asphalt felt, the staff at first need the blade coat hot pitch to need waterproof surface, then the manual work covers the felt on it again, and the manual work compaction felt extrudes unnecessary pitch and air again to accomplish the construction of waterproof asphalt felt, when carrying out asphalt laying, people can adopt dedicated laying equipment usually, thereby improve the efficiency and the quality of laying.
The prior Chinese patent with application publication number CN109235190A discloses an asphalt laying device for municipal engineering construction, which comprises a frame, a feed inlet is arranged on the left side of the top of the frame, a guide chute which is inclined downwards is arranged along the feed inlet, a feed bin is arranged at a discharge outlet of the guide chute, the bin is internally provided with a stirrer, a shaft lever of the stirrer passes through a clapboard to be connected with a driving device, the driving device comprises a large gear, a small gear and a driving motor, an opening is arranged on one side of the top of the storage bin, a vertical closed shell which is vertically upward is arranged at the opening, the vertical closed outer shell is internally provided with a cylindrical inner shell, the inner cavity of the cylindrical inner shell is provided with a driving screw rod, the screw rod is provided with a spiral blade, a discharge port is arranged at the upper part of one side of the cylinder, the discharge port is connected with an inclined material guide shell, and the lower end of the driving screw is connected with a second driving motor.
The above prior art solutions have the following drawbacks: when using this laying device, the feed bin is added with pitch and additive from the feed inlet to the staff, and start the agitator and stir pitch, pitch after the stirring gets into the drum, and remove to the discharge gate under the drive of drive formula screw rod, final pitch flows out the construction position along tilting guide shell from the discharge gate, but at the in-process of laying pitch, because the outflow speed of pitch is uncontrollable, consequently lead to the used pitch quantity of construction too much or lack, cause the waste of pitch and the inconvenience of construction.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the asphalt laying equipment for municipal engineering buildings, which is convenient for controlling the outflow speed of asphalt.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides an asphalt laying equipment of municipal works building, includes the organism, be provided with the stirring storehouse on the organism, be provided with the agitator in the stirring storehouse, the stirring storehouse is provided with heating device outward, one side that just is located the stirring storehouse on the organism is provided with the storage storehouse, the storage storehouse is linked together with the stirring storehouse, be provided with the blowing pipe on the storage storehouse, the one end that the storage storehouse was kept away from to the blowing pipe extends to the position that is close to the bottom of the body, the tip that the storage storehouse was kept away from to the blowing pipe just is located the blowing pipe on the blowing pipe is provided with the closing plate, the length direction sliding connection of closing plate along the perpendicular to blowing pipe is on the blowing pipe, one side butt of closing plate is to on the lateral wall of organism, be provided with the drive arrangement who is used for controlling the closing plate and removes on the organism.
By adopting the technical scheme, when the equipment is used, firstly, workers add the asphalt and the additive into the stirring bin, the asphalt is stirred by the stirrer, and the heating device is used for heating the asphalt in the stirring bin, after stirring for a certain time, introducing asphalt into the storage bin, wherein the asphalt in the storage bin can enter the discharge pipe, the asphalt is moved out through the discharge pipe and laid to a construction position, before discharging, a worker can drive the closing plate to move through the driving device, so that the closing plate closes the port part of the discharging pipe, thereby changing the size of the outlet of the discharging pipe, the outflow speed of the asphalt from the discharging pipe is slowed down, and the size of the outlet of the discharging pipe can be adjusted by the staff according to the situation, thereby realize the regulation of pitch outflow speed for can reduce the waste of pitch in the work progress, make the use of pitch laying equipment more convenient.
The present invention in a preferred example may be further configured to: the machine body is provided with a sliding groove at the position where the sealing plate is located, the length direction of the sliding groove is parallel to the sliding direction of the sealing plate, the sealing plate is provided with a sliding block in the sliding groove in a sliding mode, the driving device comprises a motor arranged on the machine body, a threaded lead screw is arranged on an output shaft of the motor, the threaded lead screw is connected in the sliding groove in a rotating mode along the length direction of the sliding groove, and the sliding block is sleeved on the threaded lead screw in a threaded mode.
Through adopting above-mentioned technical scheme, when the position of closing plate is adjusted to needs, starter motor, the motor can drive the screw thread lead screw and rotate, the screw thread lead screw rotates, because the slider is located the spout, the slider can not follow the screw thread lead screw and rotate, and the slider screw thread cup joints on the screw thread lead screw, consequently the slider can remove along the length direction of screw thread lead screw on the screw thread lead screw, the in-process that the slider removed then can drive the closing plate and remove, make the position change of closing plate on the blowing pipe, thereby make the export size of blowing pipe change, and the screw thread lead screw has auto-lock nature, after stall, the position of slider just can be fixed, make the closing plate can keep fixed, thereby guarantee that the outflow speed of pitch is in the invariant.
The present invention in a preferred example may be further configured to: the connecting groove is formed in the end face, abutted against the closed plate, of the discharging pipe, the length direction of the connecting groove is the same as the sliding direction of the closed plate, and the closed plate is provided with a connecting strip which is connected into the connecting groove in a sliding mode.
Through adopting above-mentioned technical scheme, the closing plate then can drive the connecting strip and remove in the spread groove when removing, and connecting strip and spread groove can lead the removal of closing plate for the closing plate can remove on the blowing pipe better.
The present invention in a preferred example may be further configured to: the cross section shape of spread groove sets up to the T shape, the connecting strip sets up with the spread groove cooperation of T shape.
Through adopting above-mentioned technical scheme, set up the shape of connecting strip and spread groove into the T shape for the connecting strip can not break away from the spread groove easily, thereby makes the shut plate can be connected with the blowing pipe better.
The present invention in a preferred example may be further configured to: the surface of the discharging pipe abutted to the sealing plate is set to be in an inclined state, the sealing plate is obliquely arranged on the discharging pipe, and the length direction of the sliding groove is matched with the sliding direction of the sealing plate.
By adopting the technical scheme, the closing plate is obliquely arranged, so that the asphalt blocked by the closing plate can flow out along the oblique closing plate, and the condition that the asphalt is blocked in the discharge pipe is reduced.
The present invention in a preferred example may be further configured to: the discharging pipe is provided with a cleaning opening, the cleaning opening is communicated with the inside of the discharging pipe, and the cleaning opening is in threaded connection with a sealing cover.
Through adopting above-mentioned technical scheme, after equipment finishes using, sealed lid can be opened to the staff to pour into the cleaner into through the washing mouth towards the blowing intraductal remaining pitch of blowing, thereby clear up the setting up of washing mouth and make the washing of blowing pipe more convenient.
The present invention in a preferred example may be further configured to: and a heating device for ensuring the temperature of the asphalt is arranged on the side wall of the discharging pipe.
Through adopting above-mentioned technical scheme, heating device can heat the blowing pipe to guarantee the temperature of the intraductal pitch of blowing, prevent the condition that the pitch solidifies, make pitch can flow from the blowing pipe better.
The present invention in a preferred example may be further configured to: and polytetrafluoroethylene coatings are respectively coated on the inner wall of the discharge pipe and the closing plate.
By adopting the technical scheme, the polytetrafluoroethylene coating can protect the discharging pipe and the sealing plate, and reduce the corrosion of chemical substances in asphalt on the discharging pipe and the sealing plate, so that the service lives of the discharging pipe and the sealing plate are prolonged.
In summary, the invention includes at least one of the following beneficial technical effects:
through set up storage storehouse and blowing pipe on equipment, make pitch flow from the blowing pipe, set up the closing plate on the tip of keeping away from storage storehouse at the blowing pipe simultaneously, the position that changes the closing plate makes the export size of blowing pipe change to make the outflow speed of pitch change, make the staff can control the outflow speed of pitch more conveniently, and then reduce the waste of pitch.
Drawings
Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.
Fig. 2 is a schematic diagram of a partial explosion structure after the closing plate and the discharging pipe are exploded according to the embodiment of the invention.
Fig. 3 is a schematic diagram of a partial exploded structure of an exploded sealing cover and a discharging tube according to an embodiment of the present invention.
In the figure, 1, a machine body; 11. a stirring bin; 12. a stirrer; 13. a storage bin; 131. a connecting pipe; 132. a control valve; 15. a chute; 16. a motor; 17. a threaded lead screw; 2. discharging the material pipe; 21. connecting grooves; 22. cleaning the opening; 23. a sealing cover; 3. a closing plate; 31. a slider; 32. a connecting strip; 4. a heating device.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the asphalt paving apparatus for municipal engineering buildings disclosed by the invention comprises an apparatus body 1, a stirring bin 11 is arranged on the apparatus body 1, a stirrer 12 is arranged in the stirring bin 11, the stirrer 12 is composed of a stirring motor, a stirring shaft and a stirring paddle, a heating device 4 is arranged outside the stirring bin 11, the heating device 4 is an electric heating belt arranged outside the stirring bin 11, a storage bin 13 is arranged on the apparatus body 1 and on one side of the stirring bin 11, the storage bin 13 is communicated with the stirring bin 11, a connecting pipe 131 is arranged between the storage bin 13 and the stirring bin 11, and a control valve 132 is arranged on the connecting pipe 131.
Referring to fig. 1 and 2, be provided with discharging pipe 2 on the storage storehouse 13, the one end that discharging pipe 2 kept away from storage storehouse 13 extends to the position that is close to organism 1 bottom, discharging pipe 2's cross sectional shape sets up to squarely, the tip that discharging pipe 2 went up and lie in discharging pipe 2 and keep away from storage storehouse 13 is provided with closing plate 3, closing plate 3's size and discharging pipe 2's cross sectional size looks adaptation, closing plate 3 is along the length direction sliding connection of perpendicular to discharging pipe 2 on discharging pipe 2, and one side butt of closing plate 3 connects to on the lateral wall of organism 1, be provided with drive arrangement on the organism 1, drive arrangement can drive closing plate 3 and remove.
When using this equipment, make the pitch after the stirring get into in storage silo 13, and shift out through blowing pipe 2, and before the blowing, the staff can drive closing plate 3 through drive arrangement and remove, make closing plate 3 seal the port part of blowing pipe 2, thereby change the export size of blowing pipe 2, pitch just can change from the outflow speed of blowing pipe 2 this moment, and the staff can adjust the export size of blowing pipe 2 according to the construction conditions, reduce the waste of pitch, make the use of pitch laying equipment more convenient.
Referring to fig. 1 and 2, a sliding groove 15 is arranged on the machine body 1 and at the position of the closing plate 3, the length direction of the sliding groove 15 is parallel to the sliding direction of the closing plate 3, a sliding block 31 connected in the sliding groove 15 in a sliding manner is fixedly connected to the closing plate 3, the driving device comprises a motor 16, the motor 16 is fixed on the side wall of the machine body 1, a threaded lead screw 17 is coaxially connected to an output shaft of the motor 16, the threaded lead screw 17 is rotatably connected in the sliding groove 15 along the length direction of the sliding groove 15, the sliding block 31 is sleeved on the threaded lead screw 17 in a threaded manner, in order to enable asphalt to better flow out, the abutting surface of the discharging pipe 2 and the closing plate 3 is set to be in an inclined state, the closing plate 3 is obliquely arranged on the discharging pipe 2, and the length direction of the sliding groove 15 is matched with the sliding direction of the closing plate 3.
The starter motor 16 drives the threaded lead screw 17 to rotate, because the slider 31 is located the chute 15, and the slider 31 is in threaded sleeve joint on the threaded lead screw 17, therefore the slider 31 can move on the threaded lead screw 17 along the length direction of the threaded lead screw 17, and the slider 31 can drive the closing plate 3 to move, so that the position of the closing plate 3 on the discharging pipe 2 is changed, the size of an outlet of the discharging pipe 2 is changed, and the outflow speed of asphalt is changed.
Referring to fig. 2, a connecting groove 21 has been seted up on the terminal surface that blowing pipe 2 and closing plate 3 butt connect, the length direction of connecting groove 21 is the same with the sliding direction of closing plate 3, be provided with connecting strip 32 of sliding connection in connecting groove 21 on closing plate 3, the setting of connecting strip 32 and connecting groove 21 can play the guide effect to closing plate 3, simultaneously in this embodiment, in order to make connecting strip 32 be difficult for breaking away from connecting groove 21, set up the cross sectional shape of connecting groove 21 into the T shape, connecting strip 32 sets up with the cooperation of the connecting groove 21 of T shape.
Referring to fig. 3, for the convenience of residual asphalt in asphalt discharging pipe 2, cleaning opening 22 has been seted up on discharging pipe 2, and cleaning opening 22 and discharging pipe 2 are inside to be linked together, and threaded connection has sealed lid 23 on cleaning opening 22, and when wasing, the staff only need with sealed lid 23 screw cap, with the cleaner through washing opening 22 add discharging pipe 2 can.
Referring to fig. 1, a heating device 4 is disposed on a side wall of the discharging pipe 2, and the heating device 4 can maintain the temperature of the asphalt in the discharging pipe 2, so that the asphalt can better flow out; meanwhile, in order to prolong the service life of the discharging pipe 2 and the closing plate 3, polytetrafluoroethylene coatings (not shown in the figure) are coated on the inner wall of the discharging pipe 2 and the closing plate 3.
The implementation principle of the embodiment is as follows: when using this equipment, at first in the staff adds stirring storehouse 11 with pitch and additive, stir pitch through agitator 12, utilize heating device 4 to heat the pitch in stirring storehouse 11 simultaneously, after stirring for a certain time, open control valve 132, make pitch flow in storage storehouse 13, in pitch in the storage storehouse 13 can flow into discharging pipe 2, can flow out the construction position through discharging pipe 2 after pitch gets into discharging pipe 2.
Before the blowing, the outflow speed that the staff can adjust pitch according to the construction conditions, the staff this moment needs starter motor 16 to drive screw lead screw 17 and rotates, and screw lead screw 17 when rotating, because slider 31 is located spout 15, and slider 31 screw sleeve connects on screw lead screw 17, consequently slider 31 can remove along screw lead screw 17's length direction on screw lead screw 17, slider 31 then can drive closing plate 3 and remove, thereby make the position change of closing plate 3 on blowing pipe 2, thereby make the export size of blowing pipe 2 change, and then change the outflow speed of pitch, and then make the waste that can reduce pitch in the work progress, the convenience that the equipment used is laid to pitch has been improved.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (6)
1. The utility model provides an equipment is laid to pitch of municipal works building, includes organism (1), be provided with on organism (1) and stir storehouse (11), be provided with agitator (12) in stirring storehouse (11), be provided with heating device (4), its characterized in that outside stirring storehouse (11): a storage bin (13) is arranged on one side, located on the stirring bin (11), of the machine body (1), the storage bin (13) is communicated with the stirring bin (11), a discharging pipe (2) is arranged on the storage bin (13), one end, far away from the storage bin (13), of the discharging pipe (2) extends to a position close to the bottom of the machine body (1), a sealing plate (3) is arranged on the discharging pipe (2) and located at the end, far away from the storage bin (13), of the discharging pipe (2), the sealing plate (3) is connected to the discharging pipe (2) in a sliding mode along the length direction perpendicular to the discharging pipe (2), one side of the sealing plate (3) abuts against the side wall of the machine body (1), and a driving device used for controlling the sealing plate (3) to move is arranged on the machine body (1);
a sliding groove (15) is formed in the machine body (1) and located at the position of the sealing plate (3), the length direction of the sliding groove (15) is parallel to the sliding direction of the sealing plate (3), a sliding block (31) connected in the sliding groove (15) in a sliding mode is arranged on the sealing plate (3), the driving device comprises a motor (16) arranged on the machine body (1), a threaded lead screw (17) is arranged on an output shaft of the motor (16), the threaded lead screw (17) is connected in the sliding groove (15) in a rotating mode along the length direction of the sliding groove (15), and the sliding block (31) is sleeved on the threaded lead screw (17) in a threaded mode; the connecting groove (21) has been seted up on the terminal surface of blowing pipe (2) and closing plate (3) butt, the length direction of connecting groove (21) is the same with the slip direction of closing plate (3), be provided with connecting strip (32) of sliding connection in connecting groove (21) on closing plate (3).
2. The asphalt paving equipment for municipal engineering buildings according to claim 1, characterized in that: the cross section of the connecting groove (21) is in a T shape, and the connecting strip (32) is matched with the T-shaped connecting groove (21).
3. The asphalt paving equipment for municipal engineering buildings according to claim 2, characterized in that: the surface of the discharge pipe (2) abutted against the sealing plate (3) is set to be in an inclined state, the sealing plate (3) is obliquely arranged on the discharge pipe (2), and the length direction of the sliding groove (15) is matched with the sliding direction of the sealing plate (3).
4. The asphalt paving equipment for municipal engineering buildings according to claim 1, characterized in that: the cleaning device is characterized in that a cleaning opening (22) is formed in the discharging pipe (2), the cleaning opening (22) is communicated with the interior of the discharging pipe (2), and a sealing cover (23) is connected to the cleaning opening (22) in a threaded mode.
5. The asphalt paving equipment for municipal engineering buildings according to claim 1, characterized in that: and a heating device (4) for ensuring the temperature of the asphalt is arranged on the side wall of the discharging pipe (2).
6. The asphalt paving equipment for municipal engineering buildings according to claim 1, characterized in that: and polytetrafluoroethylene coatings are respectively coated on the inner wall of the discharging pipe (2) and the closing plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010131716.0A CN111304997B (en) | 2020-02-29 | 2020-02-29 | Asphalt laying equipment for municipal engineering building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010131716.0A CN111304997B (en) | 2020-02-29 | 2020-02-29 | Asphalt laying equipment for municipal engineering building |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111304997A CN111304997A (en) | 2020-06-19 |
| CN111304997B true CN111304997B (en) | 2021-09-10 |
Family
ID=71149317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010131716.0A Expired - Fee Related CN111304997B (en) | 2020-02-29 | 2020-02-29 | Asphalt laying equipment for municipal engineering building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111304997B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113321337A (en) * | 2021-04-24 | 2021-08-31 | 南京润华建设集团有限公司 | Municipal administration sewage treatment plant |
| CN113685029B (en) * | 2021-08-30 | 2022-12-02 | 深圳市卓宝科技股份有限公司 | Asphalt distributing machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107268389A (en) * | 2017-07-26 | 2017-10-20 | 湖北圣通石化有限公司 | Pitch sub-material for producing modified pitch stirs material drain system |
| CN207046122U (en) * | 2017-06-06 | 2018-02-27 | 绍兴柯桥骏达针纺织品有限公司 | A kind of chemical industry storage tank of discharge adjustable mouth size |
| CN108930213A (en) * | 2018-08-20 | 2018-12-04 | 国诚集团有限公司 | A kind of town road asphalt concrete pavement construction method and apparatus |
| CN110424220A (en) * | 2019-08-26 | 2019-11-08 | 淄博询知方技术开发有限公司 | A kind of road engineering pavement asphalt laying equipment |
| CN209636596U (en) * | 2019-02-22 | 2019-11-15 | 潘中华 | A kind of highway engineering asphalt mortar, bituminous mortar mixing plant |
| CN110804926A (en) * | 2019-11-27 | 2020-02-18 | 齐嘉蕾 | Asphalt laying equipment |
-
2020
- 2020-02-29 CN CN202010131716.0A patent/CN111304997B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207046122U (en) * | 2017-06-06 | 2018-02-27 | 绍兴柯桥骏达针纺织品有限公司 | A kind of chemical industry storage tank of discharge adjustable mouth size |
| CN107268389A (en) * | 2017-07-26 | 2017-10-20 | 湖北圣通石化有限公司 | Pitch sub-material for producing modified pitch stirs material drain system |
| CN108930213A (en) * | 2018-08-20 | 2018-12-04 | 国诚集团有限公司 | A kind of town road asphalt concrete pavement construction method and apparatus |
| CN209636596U (en) * | 2019-02-22 | 2019-11-15 | 潘中华 | A kind of highway engineering asphalt mortar, bituminous mortar mixing plant |
| CN110424220A (en) * | 2019-08-26 | 2019-11-08 | 淄博询知方技术开发有限公司 | A kind of road engineering pavement asphalt laying equipment |
| CN110804926A (en) * | 2019-11-27 | 2020-02-18 | 齐嘉蕾 | Asphalt laying equipment |
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| Publication number | Publication date |
|---|---|
| CN111304997A (en) | 2020-06-19 |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20210910 |