CN104179114A - Paver - Google Patents
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- Publication number
- CN104179114A CN104179114A CN201410398843.1A CN201410398843A CN104179114A CN 104179114 A CN104179114 A CN 104179114A CN 201410398843 A CN201410398843 A CN 201410398843A CN 104179114 A CN104179114 A CN 104179114A
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- China
- Prior art keywords
- cross beam
- frame
- paver
- curb
- mainframe
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- 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.)
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- Road Paving Machines (AREA)
Abstract
The invention provides a paver and relates to the field of pavement engineering machinery. The paver comprises a main frame, a buffer cylinder mounted on the front end of the main frame, a swing beam mounted behind the buffer cylinder at the front end of the main frame, an electric appliance control system, a screed plate on the rear end of a draft arm, main frame connecting columns, a road shoulder distributor and a road shoulder forming machine, wherein the main frame connecting columns are correspondingly arranged on the left and right sides of the main frame and behind the swing beam; the road shoulder distributor is arranged between the swing beam of the main frame and the buffer cylinder mounted on the front end of the main frame; the road shoulder forming machine is mounted on the side surface of the screed plate. The paver is capable of completing paving, leveling and punning in one step during road shoulder filling, is simple and convenient to operate and is capable of carrying out continuous construction, the construction quality is improved and the cost is saved.
Description
Technical field
The present invention relates to field of road engineering machinery field, particularly a kind of paver.
Background technology
At present, in highway construction, shoulder work adopts placement in layers method to carry out, and adopts the method to need soil in artificial cooperative mechanical, tricycle transport, the compacting of small-sized ramming machinery.Curb soil, in work progress, strictly be controlled degree of compaction, the planeness of each aspect etc. of native quality, the placement in layers of curb soil, accomplishes curb soil of every training, reaches the attractive in appearance of line style.
Moreover when the curb horizontal wall inscription of highway pavement runway and a side is inconsistent, conventional construction method generally adopts road surface and curb separately to carry out, and adopts the paver that mechanization degree is higher to carry out pavement construction, then adopts artificial cooperative mechanical to carry out shoulder work.
In sum, when shoulder work, the general width of curb filling is narrower, boundary of works area is narrow and small, is unfavorable for the operation of large-scale construction equipment, in the process of filling, the work such as making, levelling all needs manually to complete, not only working sources input is many, and progress is slow, greatly reduces mechanized construction process, but also must handle longitudinal seam well, construction quality can not get good guarantee, is also unfavorable for cost control, produces extra charge.
Summary of the invention
The present invention has overcome weak point of the prior art, and a kind of in the time filling curb, realize making, levelling, the one-time formed paver of compacting are provided.
In order to realize object of the present invention, we will adopt following technical scheme to be implemented:
A kind of paver, comprise mainframe, be installed on the buffer roller of mainframe front end, be arranged at the walking beam below of buffer roller that is installed on mainframe front end, electrical apparatus control system is formed and is arranged at the screed of draft arm rear end by engine electrically control, hydraulic pressure electrical control and Lighting Control Assembly, it is characterized in that: also comprise mainframe joint pin, curb material distributing machine and curb forming machine; Described mainframe joint pin is arranged at described walking beam corresponding position, the mainframe left and right sides below; Described curb material distributing machine is arranged at the walking beam of described mainframe and is installed between the buffer roller of mainframe front end; Described curb forming machine is installed on screed side.
Further, described curb material distributing machine comprises chain, drag conveyer, aggregate bin, buncher, rollover hydraulic jack, discharging opening baffle plate, buffer roller, support, sub-material shelves and frame and two security bars, described curb material distributing machine is by the U-shaped interface of described frame rear end and described U-shaped connection of mainframe joint pin, the front end of frame is provided with buffer roller, the rear cross beam of frame nestles up the walking beam of mainframe front end, between the rear cross beam of frame and the middle cross beam of frame, a drag conveyer is installed, the rear cross beam of frame and the upper end of middle cross beam are laterally separately installed with the headwall of a fan activity, the headwall of two fan activities forms described aggregate bin, the rear cross beam of frame and the left end of middle cross beam or right-hand member are provided with a support, one buncher is installed on support, between the rear cross beam of frame and middle cross beam, be provided with component material shelves, between the rear cross beam of frame and middle cross beam, aggregate bin is each side provided with a discharging opening baffle plate, the upper end of rollover hydraulic jack is installed on respectively the back of the headwall of two fan activities, the lower end of rollover hydraulic jack is installed on respectively the outside of rear cross beam and the middle cross beam of frame, security bar is arranged at respectively rear cross beam and middle cross beam inner side.
Further, described rollover hydraulic jack is connected with described hydraulic pressure electrical control by oil pipe; Described buncher is by wire and described engine electrically control connection; Described sub-material shelves are arranged in aggregate bin; The upper surface of the rear cross beam of described frame is higher than the upper surface of frame middle cross beam; The headwall of two described fan activities is hinged with the rear cross beam upper surface of frame and the middle cross beam upper surface of frame respectively; The below of described discharging opening baffle plate is discharging opening; The output of described buncher is connected with the drive sprocket of drag conveyer by chain.
Further, described curb forming machine comprises screed junction plate, transverse slat, vibrating plate, vibrator and baffle plate, described curb forming machine is fixedly connected with bolt with the side of described screed by described screed junction plate, between screed junction plate and baffle plate, be fixedly connected with transverse slat, transverse slat upper surface end is provided with bridge piece, vibrating plate is overlapped on transverse slat by bridge piece, and vibrating plate is fixedly connected with vibrator with fixture.
Further, described vibrator is by wire and described engine electrically control connection; The curved shape of described transverse slat.
Further, described frame is rolling bridge.
Further, described curb forming machine can be installed on left surface or right flank or the left and right sides of described screed.
Further, described rollover hydraulic jack has two at least.
Further, described sub-material shelves have three at least.
Further, the drive sprocket of described drag conveyer and be arranged at security bar below by the connection chain between movable sprocket.
Beneficial effect
Paver of the present invention can be realized making, levelling, compacting one-shot forming in the time filling curb, without soil in artificial cooperative mechanical, tricycle transport, the operation that small-sized ramming machinery is tamped, the present invention is also with according to the actual conditions of road surface and curb, by adjusting the installation site of curb forming machine, complete very easily once the pave operation of moulding of curb in conjunction with the work of curb material distributing machine, this paver is easy and simple to handle, and construction continuously, improve construction quality, saved cost.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the top view of curb material distributing machine of the present invention;
Fig. 3 is the front view of curb material distributing machine of the present invention;
Fig. 4 is the rear elevation of curb material distributing machine of the present invention;
Fig. 5 is the top view of curb forming machine of the present invention;
Fig. 6 is the rear elevation of curb forming machine of the present invention;
Fig. 7 is the rear elevation of curb forming machine of the present invention;
Fig. 8 is the top view of curb forming machine of the present invention.
Detailed description of the invention
By reference to the accompanying drawings, the present invention is described further:
As shown in Figure 1, described curb material distributing machine 2 be arranged at described paver 1 mainframe 110 walking beam 120 and be installed between the buffer roller 4 of mainframe 110 front ends; Described curb forming machine 3 is installed on screed 130 sides.
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Fig. 5 and Fig. 6, described curb material distributing machine 2 comprises chain 5, drag conveyer 210, aggregate bin 220, buncher 230, rollover hydraulic jack 240, discharging opening baffle plate 250, sub-material shelves 260, support 270 and frame 280 and security bar 290, described curb material distributing machine 2 is connected with described mainframe 110 joint pin 1101U types by the U-shaped interface 2801 of described frame 280 rear ends, the front end of frame 280 is provided with buffer roller 4, the rear cross beam 2802 of frame 280 nestles up the walking beam 120 of mainframe 110 front ends, between the rear cross beam 2802 of frame 280 and the middle cross beam 2803 of frame 280, drag conveyer 210 is installed, the rear cross beam 2802 of frame 280 and the upper end of middle cross beam 2803 are laterally separately installed with the headwall 2201 and 2202 of a fan activity, the headwall 2201 and 2202 of two fan activities forms described aggregate bin 220, the rear cross beam 2802 of frame 280 and the left end of middle cross beam 2803 or right-hand member are provided with support 270, buncher 230 is installed on support 270, between the rear cross beam 2802 of frame 280 and middle cross beam 2803, be provided with sub-material shelves 260, between the rear cross beam 2802 of frame 280 and middle cross beam 2803, the left and right sides of aggregate bin 220 is provided with discharging opening baffle plate 250, the upper end of rollover hydraulic jack 2401 and 2402 is installed on respectively the back of the headwall 2201 and 2202 of two fan activities, the lower end of rollover hydraulic jack 2401 or 2402 is installed on respectively the outside of rear cross beam 2802 and the middle cross beam 2803 of frame 280, security bar 290 is arranged at rear cross beam 2802 and middle cross beam 2803 inner sides.
Described buncher 230 is by the engine electrically control connection in wire and described electrical apparatus control system, for buncher 230 provides power supply, the output of described buncher 230 is connected with the drive sprocket 2101 of drag conveyer 210 by chain 5, the drive sprocket 2101 of described drag conveyer 210 and be arranged at security bar 2901 and 2902 belows by the connection chain between movable sprocket 2102; Described rollover hydraulic jack 240 is connected with hydraulic pressure electrical control in described electrical apparatus control system by oil pipe; Described sub-material shelves 260 are arranged in aggregate bin 220, and described sub-material shelves 260 have three at least; The upper surface of the rear cross beam 2802 of described frame 280 is higher than the upper surface of the middle cross beam 2803 of frame 280; The headwall 2201 and 2202 of two described fan activities is hinged with rear cross beam 2802 upper surfaces of frame 280 and middle cross beam 2803 upper surfaces of frame 280 respectively, and the rollover hydraulic jack 2401 or 2402 in the described back of the headwall that is installed on a fan activity 2201 or 2202 and the outside of the rear cross beam 2802 of frame 280 or middle cross beam 2803 has one at least; The below of described discharging opening baffle plate 250 is discharging openings.
Described frame 280 is set to the bridge that rolls, and is the load in order to alleviate paver.
As Fig. 1, shown in Fig. 7 and Fig. 8, curb forming machine 3 in paver 1 comprises screed junction plate 310, transverse slat 320, vibrating plate 330, vibrator 340 and baffle plate 350 and fixture 360, described curb forming machine 3 is fixedly connected with bolt 6 with the side of the screed 130 of described paver 1 by described screed junction plate 310, between screed junction plate 310 and baffle plate 350, be fixedly connected with transverse slat 320, transverse slat 320 upper surface ends are provided with bridge piece 370, vibrating plate 330 is overlapped on transverse slat 320 by bridge piece 370, vibrating plate 330 use fixtures 360 are fixedly connected with vibrator 340.
Described vibrator 340 is by engine electrically control connection in wire and described electrical apparatus control system; The described curved shape of transverse slat 320.
Described curb forming machine 3 can be installed on left surface or right flank or the left and right sides of described screed 130.
Embodiment
As shown in Fig. 1-8, in the time of shoulder work, start paver 1, curb is housed to be filled on the buffer roller 4 that native tipping truck is close proximity to paver 1, tipping truck fills soil by curb and unloads in the aggregate bin 220 of curb material distributing machine 2 of installing in paver 1 front end, paver 1 operator starts the engine electrically control in electrical apparatus control system, hydraulic pressure electrical control, drive buncher 230 and rollover hydraulic jack 240 to work, under the lifting of rollover hydraulic jack 240, the headwall 2201 and 2202 of two fan activities of aggregate bin 220 is taking the headwall 2201 and 2202 upset headwall 2201 and 2202 within axially with rear cross beam 2802 upper surfaces of frame 280 and the middle cross beam 2803 upper surface hinge point of frame 280 respectively of two described fan activities, to fill soil carries on drag conveyer 210, buncher 230 drives drag conveyer 210 to work, discharging openings by filling soil by the below of discharging opening baffle plate 250, to fill soil and be transported to the construction location of curb, the curb forming machine 3 of installing in described discharging opening the same side, with being fixedly connected with transverse slat 320 between screed junction plate 310 and baffle plate 350, the curb moulding form that transverse slat 320 belows form, to fill soil and carry out integer, after integer, the effect with the fixing vibrator 340 of fixture 360 of re-using on the vibrating plate 330 that is overlapped on transverse slat 320 and vibrating plate 330 to integer after curb fill soil and tamp.
Above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit, and those of ordinary skill in the field should be appreciated that still and can modify or part technical characterictic is equal to replacement the detailed description of the invention of invention; And not departing from the spirit of technical solution of the present invention, it all should be encompassed in the technology of request protection of the present invention.
Claims (10)
1. a paver, comprise mainframe, be installed on the buffer roller of mainframe front end, be arranged at the walking beam below of buffer roller that is installed on mainframe front end, electrical apparatus control system is formed and is arranged at the screed of draft arm rear end by engine electrically control, hydraulic pressure electrical control and Lighting Control Assembly, it is characterized in that: also comprise mainframe joint pin, curb material distributing machine and curb forming machine; Described mainframe joint pin is arranged at described walking beam corresponding position, the mainframe left and right sides below; Described curb material distributing machine is arranged at the walking beam of described mainframe and is installed between the buffer roller of mainframe front end; Described curb forming machine is installed on screed side.
2. a kind of paver according to claim 1, it is characterized in that: described curb material distributing machine comprises chain, drag conveyer, aggregate bin, buncher, rollover hydraulic jack, discharging opening baffle plate, buffer roller, support, sub-material shelves and frame and two security bars, described curb material distributing machine is by the U-shaped interface of described frame rear end and described U-shaped connection of mainframe joint pin, the front end of frame is provided with buffer roller, the rear cross beam of frame nestles up the walking beam of mainframe front end, between the rear cross beam of frame and the middle cross beam of frame, a drag conveyer is installed, the rear cross beam of frame and the upper end of middle cross beam are laterally separately installed with the headwall of a fan activity, the headwall of two fan activities forms described aggregate bin, the rear cross beam of frame and the left end of middle cross beam or right-hand member are provided with a support, one buncher is installed on support, between the rear cross beam of frame and middle cross beam, be provided with component material shelves, between the rear cross beam of frame and middle cross beam, aggregate bin is each side provided with a discharging opening baffle plate, the upper end of rollover hydraulic jack is installed on respectively the back of the headwall of two fan activities, the lower end of rollover hydraulic jack is installed on respectively the outside of rear cross beam and the middle cross beam of frame, security bar is arranged at respectively rear cross beam and middle cross beam inner side.
3. a kind of paver according to claim 2, is characterized in that: described rollover hydraulic jack is connected with described hydraulic pressure electrical control by oil pipe; Described buncher is by wire and described engine electrically control connection; Described sub-material shelves are arranged in aggregate bin; The upper surface of the rear cross beam of described frame is higher than the upper surface of frame middle cross beam; The headwall of two described fan activities is hinged with the rear cross beam upper surface of frame and the middle cross beam upper surface of frame respectively; The below of described discharging opening baffle plate is discharging opening; The output of described buncher is connected with the drive sprocket of drag conveyer by chain.
4. a kind of paver according to claim 1, it is characterized in that: described curb forming machine comprises screed junction plate, transverse slat, vibrating plate, vibrator and baffle plate, described curb forming machine is fixedly connected with bolt with the side of described screed by described screed junction plate, between screed junction plate and baffle plate, be fixedly connected with transverse slat, transverse slat upper surface end is provided with bridge piece, vibrating plate is overlapped on transverse slat by bridge piece, and vibrating plate is fixedly connected with vibrator with fixture.
5. a kind of paver according to claim 4, is characterized in that: described vibrator is by wire and described engine electrically control connection; The curved shape of described transverse slat.
6. according to a kind of paver described in claim 2 or 3, it is characterized in that: described frame is rolling bridge.
7. according to a kind of paver described in claim 1 or 4, it is characterized in that: described curb forming machine can be installed on left surface or right flank or the left and right sides of described screed.
8. according to a kind of paver described in claim 2 or 3, it is characterized in that: the rollover hydraulic jack in the described back of the headwall that is installed on a fan activity and the outside of the rear cross beam of frame or middle cross beam has one at least.
9. according to a kind of paver described in claim 2 or 3, it is characterized in that: described sub-material shelves have three at least.
10. a kind of paver according to claim 2, is characterized in that: the drive sprocket of described drag conveyer and be arranged at security bar below by the connection chain between movable sprocket.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410398843.1A CN104179114A (en) | 2014-08-10 | 2014-08-10 | Paver |
| CN201510315056.0A CN105220602B (en) | 2014-08-10 | 2015-06-03 | A kind of road shoulder molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410398843.1A CN104179114A (en) | 2014-08-10 | 2014-08-10 | Paver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104179114A true CN104179114A (en) | 2014-12-03 |
Family
ID=51960437
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410398843.1A Pending CN104179114A (en) | 2014-08-10 | 2014-08-10 | Paver |
| CN201510315056.0A Expired - Fee Related CN105220602B (en) | 2014-08-10 | 2015-06-03 | A kind of road shoulder molding machine |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510315056.0A Expired - Fee Related CN105220602B (en) | 2014-08-10 | 2015-06-03 | A kind of road shoulder molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN104179114A (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105220602A (en) * | 2014-08-10 | 2016-01-06 | 刘全 | A kind of curb forming machine |
| CN107604963A (en) * | 2017-09-19 | 2018-01-19 | 吴江市明港道桥工程有限公司 | A kind of Road tooth cheats quick digging mechanism |
| CN107858899A (en) * | 2017-12-17 | 2018-03-30 | 黑龙江盛世新宇高新技术开发有限公司 | Multi-functional side paver and application method |
| CN108149552A (en) * | 2018-02-02 | 2018-06-12 | 中建八局第建设有限公司 | A kind of earth shoulder constructing device |
| CN109610278A (en) * | 2019-01-29 | 2019-04-12 | 长安大学 | A kind of asphalt high compact paves forming method |
| CN109930453A (en) * | 2019-04-16 | 2019-06-25 | 陈建军 | Hardened verge forming device |
| CN110241690A (en) * | 2019-05-30 | 2019-09-17 | 周建刚 | A kind of slip form paver |
| CN110241691A (en) * | 2019-05-30 | 2019-09-17 | 周建刚 | A kind of slip-form machine |
| CN110607726A (en) * | 2019-09-29 | 2019-12-24 | 沧州市市政工程股份有限公司 | Regenerative pavement structure and road building process thereof |
| CN110735377A (en) * | 2018-07-19 | 2020-01-31 | 尚建国 | road shoulder soil slide machine |
| CN111733671A (en) * | 2020-06-16 | 2020-10-02 | 文泽 | Equipment for shaping cement road shoulder |
| CN112160220A (en) * | 2020-10-09 | 2021-01-01 | 湖南省合创渣土运输有限公司 | Paver is used in municipal administration road surface processing |
| CN113089432A (en) * | 2021-04-22 | 2021-07-09 | 刘全 | Road shoulder slip form |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106400659B (en) * | 2016-11-25 | 2019-09-03 | 陈建军 | Road shoulder shapes sliding formwork mold |
| CN107574741A (en) * | 2017-09-15 | 2018-01-12 | 张竞博 | The towed road surface curb laydown machine of automatic control big-power tractor |
| CN108316076A (en) * | 2018-01-23 | 2018-07-24 | 刘全 | A kind of closely knit making construction method of highway earth shoulder sliding formwork pressure |
| CN108360342A (en) * | 2018-02-11 | 2018-08-03 | 陕西中大机械集团有限责任公司 | A kind of curb molding lying device |
| CN110016851A (en) * | 2019-04-25 | 2019-07-16 | 陈建军 | A kind of earth shoulder sliding formwork mold and paver |
| CN111676780B (en) * | 2020-05-28 | 2022-03-15 | 中铁十局集团青岛工程有限公司 | Template of slip form forming machine |
| CN113373763B (en) * | 2021-06-18 | 2023-07-07 | 山推工程机械股份有限公司 | Spreading control system and spreading machine |
| CN113605181B (en) * | 2021-08-10 | 2023-05-23 | 中交二公局第六工程有限公司 | Road shoulder paver and construction method thereof |
| CN116180742B (en) * | 2023-02-13 | 2024-06-11 | 中建八局第二建设有限公司 | Highway arch skeleton sliding-mode forming device and use method thereof |
| CN115839088B (en) * | 2023-02-13 | 2024-06-11 | 中建八局第二建设有限公司 | Multifunctional slope protection framework construction vehicle and working method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2065625U (en) * | 1989-07-26 | 1990-11-14 | 河北省迁安县机械厂 | Drawing type road shoulder comprehensive curing machine |
| CN2444982Y (en) * | 2000-05-30 | 2001-08-29 | 蒋支军 | Multifunction comprehesive vehicle for cement road surface |
| US6817849B1 (en) * | 2001-12-05 | 2004-11-16 | B. R. Lee Industries, Inc. | System for forming a curb and other structures |
| CN104179114A (en) * | 2014-08-10 | 2014-12-03 | 刘全 | Paver |
| CN204898479U (en) * | 2015-06-03 | 2015-12-23 | 刘全 | Curb make -up machine |
-
2014
- 2014-08-10 CN CN201410398843.1A patent/CN104179114A/en active Pending
-
2015
- 2015-06-03 CN CN201510315056.0A patent/CN105220602B/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105220602B (en) * | 2014-08-10 | 2019-04-05 | 刘全 | A kind of road shoulder molding machine |
| CN105220602A (en) * | 2014-08-10 | 2016-01-06 | 刘全 | A kind of curb forming machine |
| CN107604963A (en) * | 2017-09-19 | 2018-01-19 | 吴江市明港道桥工程有限公司 | A kind of Road tooth cheats quick digging mechanism |
| CN107604963B (en) * | 2017-09-19 | 2023-03-14 | 吴江市明港道桥工程有限公司 | Quick excavation mechanism for road tooth pits |
| CN107858899A (en) * | 2017-12-17 | 2018-03-30 | 黑龙江盛世新宇高新技术开发有限公司 | Multi-functional side paver and application method |
| CN108149552A (en) * | 2018-02-02 | 2018-06-12 | 中建八局第建设有限公司 | A kind of earth shoulder constructing device |
| CN108149552B (en) * | 2018-02-02 | 2023-08-11 | 中建八局第一建设有限公司 | Soil shoulder construction device |
| CN110735377A (en) * | 2018-07-19 | 2020-01-31 | 尚建国 | road shoulder soil slide machine |
| CN109610278A (en) * | 2019-01-29 | 2019-04-12 | 长安大学 | A kind of asphalt high compact paves forming method |
| CN109930453A (en) * | 2019-04-16 | 2019-06-25 | 陈建军 | Hardened verge forming device |
| CN110241691A (en) * | 2019-05-30 | 2019-09-17 | 周建刚 | A kind of slip-form machine |
| CN110241690A (en) * | 2019-05-30 | 2019-09-17 | 周建刚 | A kind of slip form paver |
| CN110607726A (en) * | 2019-09-29 | 2019-12-24 | 沧州市市政工程股份有限公司 | Regenerative pavement structure and road building process thereof |
| CN111733671A (en) * | 2020-06-16 | 2020-10-02 | 文泽 | Equipment for shaping cement road shoulder |
| CN112160220A (en) * | 2020-10-09 | 2021-01-01 | 湖南省合创渣土运输有限公司 | Paver is used in municipal administration road surface processing |
| CN113089432A (en) * | 2021-04-22 | 2021-07-09 | 刘全 | Road shoulder slip form |
| CN113089432B (en) * | 2021-04-22 | 2022-12-09 | 刘全 | Road shoulder slip form |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105220602B (en) | 2019-04-05 |
| CN105220602A (en) | 2016-01-06 |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141203 |