CN107663828B - pavement joint cutting and joint filling integrated device - Google Patents
pavement joint cutting and joint filling integrated device Download PDFInfo
- Publication number
- CN107663828B CN107663828B CN201711133489.XA CN201711133489A CN107663828B CN 107663828 B CN107663828 B CN 107663828B CN 201711133489 A CN201711133489 A CN 201711133489A CN 107663828 B CN107663828 B CN 107663828B
- Authority
- CN
- China
- Prior art keywords
- cutting
- wheel
- vehicle body
- brush
- filling
- 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.)
- Active
Links
Classifications
-
- 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
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/09—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges
- E01C23/096—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for forming, opening-out, cleaning, drying or heating and filling
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Repair (AREA)
Abstract
The invention discloses a pavement joint cutting and joint filling integrated device, which comprises a vehicle body, a stepping motor and a rotating motor, wherein the stepping motor is arranged on the vehicle body; the cutting device comprises a vehicle body, a cutting wheel, a rotating shaft, a cutting wheel driving device and a cutting wheel, wherein the vehicle body is connected with a moving frame in a sliding manner; the cutting wheel is connected with a driving motor through a rotating shaft and a transmission belt; and a brush wheel is arranged on the right side of the cutting wheel. The invention is provided with the brush wheel, the brush roller and the water spray head, the brush wheel cleans sludge in the cutting seam, and the brush roller cleans the sludge cleaned from the cutting seam to one side far away from the cutting seam, thereby ensuring that no sludge exists in the cutting seam and simultaneously avoiding peripheral sludge from flowing back to the cutting seam; the asphalt mastic filling machine is provided with the filling box and the helical blade roller, asphalt mastic is stirred, the fluidity of the asphalt mastic is kept, extrusion filling is carried out through the helical blade roller, the filling effect and efficiency are improved, joint cutting and joint filling are completed at one time, and the operation efficiency is improved.
Description
Technical Field
The invention relates to the field of construction machinery, in particular to a road surface joint cutting and joint filling integrated device.
background
The concrete joint cutter is a small machine tool, and has a simple structure. But the joint cutting has huge effect in the construction of cement pavements, and the joint cutting is also an essential link in the construction, and directly influences the pavement strength and the service life. The working principle is that the diamond saw blade is driven by power to complete the cutting operation.
Traditional joint cutter adopts the mode of water spray dust fall, has better dust fall effect, becomes mud after dust and water mix at that time, in the joint-cutting that flows in again easily, when the operation of caulking is needed in the later stage, need use instruments such as high-pressure squirt or iron wire crotch to clear up the joint-cutting, very troublesome, and along with the extension of time, rubbish is more and more in the joint-cutting moreover, is more and more difficult to clear up, has increased the difficulty for the operation of caulking in the later stage.
Disclosure of Invention
The invention aims to provide an integrated pavement joint cutting and joint filling device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
A pavement joint cutting and joint filling integrated device comprises a vehicle body, a stepping motor and a rotating motor; an infrared ray marking instrument is fixedly connected to the position of the central line of the outer wall of the left side of the vehicle body; the cutting device comprises a vehicle body, a cutting wheel, a rotating shaft, a cutting wheel driving device and a cutting wheel, wherein the vehicle body is connected with a moving frame in a sliding manner; the cutting wheel is connected with a driving motor through a rotating shaft and a transmission belt; the right side of the cutting wheel is provided with a brush wheel which is rotationally connected with the movable frame through a rotating shaft, and the thickness of the brush wheel is the same as that of the cutting wheel; the outer sides of the cutting wheel and the hairbrush wheel are provided with hairbrush rollers which are symmetrical in front and back; the left side of the brush roller is connected with a rotating shaft of the cutting wheel through a first transmission bevel gear set, and the right side of the brush roller is connected with the rotating shaft of the brush wheel through a second transmission bevel gear set; the left side of the cutting wheel is provided with a first water spray head, and the right side of the brush wheel is provided with a second water spray head; the first sprinkler head and the second sprinkler head are communicated with a high-pressure water pump through a water pipe; the high-pressure water pump is communicated with a water tank; the side wall of the moving frame is vertically and fixedly connected with symmetrical moving rods, the moving rods are in threaded connection with lead screws, and the lead screws extend to the upper part of the vehicle body and are connected with stepping motors; the right side of the trolley body is fixedly connected with a pouring box, and the upper end of the right side of the pouring box is provided with a feeding pipe; the bottom of the pouring box is provided with a pouring pipe, and the tail end of the pouring pipe is provided with a manual valve; the filling box and the filling pipe are internally provided with helical blade rollers, and the helical blade rollers are connected with a rotating motor through a driving shaft.
As a further scheme of the invention: the bottom of the vehicle body is provided with a roller, and the right side of the vehicle body is fixedly connected with a push rod.
As a further scheme of the invention: the driving motor is fixedly connected with the movable frame.
as a further scheme of the invention: the bottom of the driving motor is provided with a baffle plate, and the baffle plate is fixedly connected with the movable frame.
As a further scheme of the invention: the brush bristles are uniformly distributed on the circumferential outer wall of the brush wheel.
As a further scheme of the invention: the high-pressure water pump is fixedly connected with the upper surface of the vehicle body.
As a further scheme of the invention: and a feeding pipe is arranged at the upper end of the right side of the perfusion box.
Compared with the prior art, the invention has the beneficial effects that: the invention is provided with the brush wheel, the brush roller and the water spray head, the brush wheel cleans sludge in the joint cutting, and the brush roller cleans the sludge cleaned from the joint cutting to one side far away from the joint cutting, so that no sludge is in the joint cutting, and meanwhile, the sludge at the periphery is prevented from flowing back to the joint cutting, thereby facilitating subsequent joint cutting; the asphalt mastic filling machine is provided with the filling box and the helical blade roller, asphalt mastic is stirred, the fluidity of the asphalt mastic is kept, extrusion filling is carried out through the helical blade roller, the filling effect and efficiency are improved, joint cutting and joint filling are completed at one time, and the operation efficiency is improved; the cutting machine is provided with the moving frame driven by the screw rod, so that the height of the cutting wheel can be conveniently adjusted, and the cutting depth can be ensured to meet the operation requirement.
Drawings
FIG. 1 is a front view of an integrated pavement slitting and caulking apparatus;
FIG. 2 is a schematic view of the internal structure of the integrated pavement joint cutting and filling device;
FIG. 3 is a schematic structural diagram of a movable frame in the integrated pavement slitting and caulking device;
FIG. 4 is a top view of a cutting wheel in the integrated pavement slitting and caulking apparatus.
In the figure: 1-a vehicle body; 2-a roller; 3-infrared ray line marking instrument; 4-a push rod; 5, moving a rack; 6-a cutting wheel; 7-a rotating shaft; 8-a drive belt; 9-a first drive bevel gear set; 10-a brush roller; 11-a second set of drive bevel gears; 12-a brush wheel; 13-a first sprinkler head; 14-a second sprinkler head; 15-a baffle; 16-a moving rod; 17-a screw rod; 18-a stepper motor; 19-a water tank; 20-high pressure water pump; 21-filling a box; 22-a feeding pipe; 23-a perfusion tube; 24-manual valves; 25-a helical blade roller; 26-a rotating motor; 27-driving the motor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, in the embodiment of the present invention, an integrated device for joint cutting and joint filling on a road surface includes a vehicle body 1, a stepping motor 18 and a rotating motor 26; the bottom of the vehicle body 1 is provided with a roller 2, and the right side of the vehicle body 1 is fixedly connected with a push rod 4, so that the vehicle body 1 can be moved conveniently; an infrared ray graticule instrument 3 is fixedly connected to the central line position of the outer wall of the left side of the vehicle body 1, and the infrared ray graticule instrument 3 is electrically connected with an external power supply to ensure the cutting linearity; a moving frame 5 is connected in the vehicle body 1 in a sliding mode, a cutting wheel 6 is arranged at the bottom of the moving frame 5, the cutting wheel 6 is rotatably connected with the moving frame 5 through a rotating shaft 7, and the cutting wheel 6 cuts the ground; the cutting wheel 6 is connected with a driving motor 27 through a rotating shaft 7 and a transmission belt 8, the driving motor 27 is fixedly connected with the movable frame 5, a baffle 15 is arranged at the bottom of the driving motor 27, the baffle 15 is fixedly connected with the movable frame 5, and the driving motor 27 is electrically connected with an external power supply; a brush wheel 12 is arranged on the right side of the cutting wheel 6, the thickness of the brush wheel 12 is the same as that of the cutting wheel 6, and the brush wheel 12 cleans the seams; bristles are uniformly distributed on the circumferential outer wall of the brush wheel 12, and the brush wheel 12 is rotationally connected with the movable frame 5 through the rotating shaft 7; the outer sides of the cutting wheel 6 and the brush wheel 12 are provided with brush rollers 10 which are symmetrical in front and back, and the brush rollers 10 clean the cleaned garbage to one side far away from the cutting seam; the left side of the brush roller 10 is connected with a rotating shaft 7 of the cutting wheel 6 through a first transmission bevel gear set 9, and the right side of the brush roller 10 is connected with the rotating shaft 7 of the brush wheel 12 through a second transmission bevel gear set 11; a first water spraying head 13 is arranged on the left side of the cutting wheel 6, and the first water spraying head 13 is fixedly connected with the movable frame 5; a second water spraying head 14 is arranged on the right side of the brush wheel 12, the second water spraying head 14 is fixedly connected with the moving frame 5, and the second water spraying head 14 washes the seams; the first sprinkler head 13 and the second sprinkler head 14 are communicated with a high-pressure water pump 20 through water pipes, the high-pressure water pump 20 is fixedly connected with the upper surface of the vehicle body 1, and the high-pressure water pump 20 is electrically connected with an external power supply; the high-pressure water pump 20 is communicated with a water tank 19, the water tank 19 is fixedly connected with the upper surface of the vehicle body 1, and the high-pressure water pump 20 pumps water in the water tank 19 to the first sprinkler head 13 and the second sprinkler head 14 through water pipes to be sprayed out.
Referring to fig. 2, two moving rods 16 which are symmetrical left and right are vertically and fixedly connected to the side wall of the moving frame 5, the moving rods 16 are in threaded connection with a screw rod 17, the screw rod 17 extends to the upper part of the vehicle body 1 and is connected with a stepping motor 18, the stepping motor 18 is fixedly connected with the upper surface of the vehicle body 1, the stepping motor 18 is electrically connected with an external power supply, and the stepping motor 18 drives the screw rod 16 to rotate, so as to drive the moving frame 5 to move up and down; a pouring box 21 is fixedly connected to the right side of the vehicle body 1, a feeding pipe 22 is arranged at the upper end of the right side of the pouring box 21, and asphalt cement is fed into the pouring box 21 from the feeding pipe 22; the bottom of the pouring box 21 is provided with a pouring pipe 23, and the tail end of the pouring pipe 23 is provided with a manual valve 24 which is convenient to open; fill case 21 and fill and be equipped with helical blade roller 25 in the pipe 23, helical blade roller 25 stirs and extrudes the ejection of compact to pitch glue agent type, and helical blade roller 25 has rotation motor 26 through drive shaft connection, rotates motor 26 and is connected with surface fixed on the automobile body 1, rotates motor 16 and external power source electric connection.
The working principle of the invention is as follows: the infrared ray line marking instrument 3 is opened, the vehicle body 1 is pushed to move through the push rod 4, the linearity of the moving track of the vehicle body 1 is kept, and the linearity of a cutting seam is ensured; starting the stepping motor 18, driving the screw rod 17 to rotate by the stepping motor 18, further driving the moving rod 16 and the moving frame 5 to move downwards, further driving the cutting wheel 6 and the brush wheel 12 to move downwards, and adjusting the height of the moving frame 5 according to the depth requirement of a cutting seam; the cutting effect is ensured; starting the driving motor 27 and the high-pressure water pump 20, driving the cutting wheel 6 to rotate by the driving motor 27 through the transmission belt 8 and the rotating shaft 7, and further cutting the ground, and simultaneously pumping the water in the water tank 19 to the first water spraying head 13 and the second water spraying head 14 by the high-pressure water pump 20 to spray; the first water spray head 13 settles dust generated by cutting; along with the movement of the vehicle body 1, the brush wheel 12 enters the cutting seam, the rotating shaft 7 of the cutting wheel 6 drives the brush roller 10 to rotate through the first transmission bevel gear set 10, the brush roller 10 drives the brush wheel 12 to rotate through the second transmission bevel gear set 11, the brush wheel 12 cleans sludge in the cutting seam, the second water spray head 14 washes the cutting seam, the brush roller 10 cleans the sludge to one side far away from the cutting seam, the sludge is prevented from flowing back to enter the cutting seam, and meanwhile, the periphery of the cutting seam is cleaned; when the asphalt mastic is needed to be poured into the cut, the asphalt mastic is only needed to be put into the pouring box 21 from the feeding pipe 22, the rotating motor 26 is started, the rotating motor 26 drives the helical blade roller 25 to rotate through the driving shaft, the asphalt mastic is stirred and mixed, and the asphalt mastic is prevented from being solidified in the construction process to cause insufficient fluidity and abnormal pouring; and the manual valve 24 is opened, asphalt cement flows into the cutting seam from the filling pipe 23 under the pushing and extruding of the helical blade roller 25, so that efficient filling is realized, filling is performed after the cutting seam, and water is prevented from entering the cutting seam to corrode a roadbed.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A pavement joint cutting and joint filling integrated device comprises a vehicle body (1), a stepping motor (18) and a rotating motor (26); the infrared marking device is characterized in that an infrared marking instrument (3) is fixedly connected to the central line of the outer wall of the left side of the vehicle body (1); the trolley is characterized in that a moving frame (5) is connected in the trolley body (1) in a sliding mode, a cutting wheel (6) is arranged at the bottom of the moving frame (5), and the cutting wheel (6) is rotatably connected with the moving frame (5) through a rotating shaft (7); the cutting wheel (6) is connected with a driving motor (27) through a rotating shaft (7) and a transmission belt (8); a brush wheel (12) is arranged on the right side of the cutting wheel (6), the brush wheel (12) is rotatably connected with the movable frame (5) through a rotating shaft (7), and the thickness of the brush wheel (12) is the same as that of the cutting wheel (6); the outer sides of the cutting wheel (6) and the brush wheel (12) are provided with brush rollers (10) which are symmetrical in front and back; the left side of the brush roller (10) is connected with a rotating shaft (7) of the cutting wheel (6) through a first transmission bevel gear set (9), and the right side of the brush roller (10) is connected with the rotating shaft (7) of the brush wheel (12) through a second transmission bevel gear set (11); a first water spraying head (13) is arranged on the left side of the cutting wheel (6), and a second water spraying head (14) is arranged on the right side of the brush wheel (12); the first sprinkler head (13) and the second sprinkler head (14) are communicated with a high-pressure water pump (20) through water pipes; the high-pressure water pump (20) is communicated with a water tank (19); the side wall of the moving frame (5) is vertically and fixedly connected with symmetrical moving rods (16), the moving rods (16) are in threaded connection with lead screws (17), and the lead screws (17) extend to the upper part of the vehicle body (1) and are connected with stepping motors (18); a filling box (21) is fixedly connected to the right side of the vehicle body (1), a filling pipe (23) is arranged at the bottom of the filling box (21), and a manual valve (24) is arranged at the tail end of the filling pipe (23); the filling box (21) and the filling pipe (23) are internally provided with a helical blade roller (25), and the helical blade roller (25) is connected with a rotating motor (26) through a driving shaft.
2. The integrated pavement slitting and caulking device according to claim 1, wherein the bottom of the vehicle body (1) is provided with rollers (2), and the right side of the vehicle body (1) is fixedly connected with a push rod (4).
3. The integrated pavement slitting and caulking device according to claim 1, wherein the driving motor (27) is fixedly connected with the moving frame (5).
4. The integrated pavement slitting and caulking device according to claim 1, wherein a baffle (15) is arranged at the bottom of the driving motor (27), and the baffle (15) is fixedly connected with the movable frame (5).
5. The integrated pavement slitting and caulking device according to claim 1, wherein the brush wheel (12) has bristles uniformly distributed on the circumferential outer wall thereof.
6. The integrated pavement slitting and caulking device according to claim 1, wherein the high pressure water pump (20) is fixedly connected with the upper surface of the vehicle body (1).
7. The integrated pavement slitting and caulking device according to claim 1, wherein a feeding pipe (22) is provided at the upper right end of the pouring box (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711133489.XA CN107663828B (en) | 2017-11-16 | 2017-11-16 | pavement joint cutting and joint filling integrated device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711133489.XA CN107663828B (en) | 2017-11-16 | 2017-11-16 | pavement joint cutting and joint filling integrated device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107663828A CN107663828A (en) | 2018-02-06 |
| CN107663828B true CN107663828B (en) | 2019-12-17 |
Family
ID=61144420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711133489.XA Active CN107663828B (en) | 2017-11-16 | 2017-11-16 | pavement joint cutting and joint filling integrated device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107663828B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108411754A (en) * | 2018-03-26 | 2018-08-17 | 林忠 | A kind of road furniture |
| CN108505423A (en) * | 2018-03-26 | 2018-09-07 | 林忠 | A kind of hydraulic engineering equipment |
| CN109082990B (en) * | 2018-08-28 | 2021-01-12 | 江苏雨梦建设有限公司 | Damaged asphalt pavement repairing method |
| CN109082991B (en) * | 2018-08-28 | 2020-11-17 | 安徽三江建设工程有限公司 | Road engineering road surface prosthetic devices |
| CN109267462A (en) * | 2018-10-26 | 2019-01-25 | 栾勇 | A kind of grooving machine head elevating gear |
| CN109551648A (en) * | 2018-12-12 | 2019-04-02 | 江苏建筑职业技术学院 | A kind of wet cutting apparatus of prefabricated concrete hollow slab easy to remove for building |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100910647B1 (en) * | 2009-02-16 | 2009-08-05 | 의왕개발 주식회사 | Cutting device for repairing concrete road |
| CN204626223U (en) * | 2015-05-14 | 2015-09-09 | 齐永强 | Infrared rays straight line highway cutting machine |
| CN205188782U (en) * | 2015-10-16 | 2016-04-27 | 河南航瑞建设工程有限公司 | Road surface groover with adjustable |
| CN206034262U (en) * | 2016-08-25 | 2017-03-22 | 唐异茂 | Pavement construction machinery cutting machine |
| CN107090765A (en) * | 2017-04-25 | 2017-08-25 | 盛亚红 | A kind of joint-cutting joint filling all-in-one of constructing road |
| CN107338714A (en) * | 2017-04-25 | 2017-11-10 | 成都圭目机器人有限公司 | A kind of road facial cleft stitches repair robot |
-
2017
- 2017-11-16 CN CN201711133489.XA patent/CN107663828B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100910647B1 (en) * | 2009-02-16 | 2009-08-05 | 의왕개발 주식회사 | Cutting device for repairing concrete road |
| CN204626223U (en) * | 2015-05-14 | 2015-09-09 | 齐永强 | Infrared rays straight line highway cutting machine |
| CN205188782U (en) * | 2015-10-16 | 2016-04-27 | 河南航瑞建设工程有限公司 | Road surface groover with adjustable |
| CN206034262U (en) * | 2016-08-25 | 2017-03-22 | 唐异茂 | Pavement construction machinery cutting machine |
| CN107090765A (en) * | 2017-04-25 | 2017-08-25 | 盛亚红 | A kind of joint-cutting joint filling all-in-one of constructing road |
| CN107338714A (en) * | 2017-04-25 | 2017-11-10 | 成都圭目机器人有限公司 | A kind of road facial cleft stitches repair robot |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107663828A (en) | 2018-02-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107663828B (en) | pavement joint cutting and joint filling integrated device | |
| CN107366216A (en) | A kind of town road cuts joint filling device | |
| CN107718314B (en) | Highway concrete transportation stirring device and using method thereof | |
| CN215104530U (en) | Be applied to road maintenance cementation of fissures device of municipal works | |
| CN110331644B (en) | A line printer for road construction | |
| CN111827061A (en) | Highway restores all-in-one | |
| CN216405050U (en) | Pavement maintenance device for highway construction | |
| CN112982097A (en) | Multifunctional road paving device and method for construction | |
| CN207484253U (en) | A kind of town road cuts joint filling device | |
| CN219710018U (en) | Road crack repair ditching device | |
| CN209891028U (en) | Road bridge maintenance patching device | |
| CN204097844U (en) | The road surface router of Automatic clearance waste residue | |
| CN116335004A (en) | General filling equipment of road building restoration | |
| CN207828755U (en) | A kind of road surface joint-cutting and joint filling integrated device | |
| CN214882828U (en) | Bituminous paving hole groove patching device | |
| CN213450472U (en) | Spraying dust fall car for coal mine production | |
| CN210946399U (en) | Pre-cleaning device of road roller | |
| CN209323341U (en) | A kind of road engineering road surface setting-out vehicle | |
| CN112030691A (en) | Road surface patching device is used in road engineering construction | |
| CN214459498U (en) | Crack pouring device for highway maintenance | |
| CN218951892U (en) | Multi-functional municipal construction road compaction equipment | |
| CN219315469U (en) | Sign line replacement equipment | |
| CN213772830U (en) | Road compaction device for municipal construction | |
| CN217026614U (en) | Highway crack processing apparatus that highway engineering was used | |
| CN221072230U (en) | Road caulking machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Lan Zhizhong Inventor after: Ma Haitao Inventor after: Xu Jichuan Inventor before: Xu Jichuan |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20191121 Address after: 100000 No.2 building, No.2 yard, xifuheyuan, Tongzhou District, Beijing Applicant after: The Fourth of CCCC Fourth Highway Engineering Co., Ltd. Applicant after: Zhang Shi Highway Zhangjiakou Management Office Address before: 255000 No. 77 Nanding Town Station Street, Zhangdian District, Zibo City, Shandong Province Applicant before: Xu Jichuan |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |