CN108894090B - Road surface cutting machine for highway construction - Google Patents
Road surface cutting machine for highway construction Download PDFInfo
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- CN108894090B CN108894090B CN201811162261.8A CN201811162261A CN108894090B CN 108894090 B CN108894090 B CN 108894090B CN 201811162261 A CN201811162261 A CN 201811162261A CN 108894090 B CN108894090 B CN 108894090B
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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
- 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
- E01C23/0906—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 cuts, grooves, recesses or, excluding forming, cracks, e.g. cleaning by sand-blasting or air-jet ; for trimming paving edges
- E01C23/0926—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 cuts, grooves, recesses or, excluding forming, cracks, e.g. cleaning by sand-blasting or air-jet ; for trimming paving edges with power-driven tools, e.g. vibrated, percussive cutters
- E01C23/0933—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 cuts, grooves, recesses or, excluding forming, cracks, e.g. cleaning by sand-blasting or air-jet ; for trimming paving edges with power-driven tools, e.g. vibrated, percussive cutters rotary, e.g. circular-saw joint cutters
- E01C23/094—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 cuts, grooves, recesses or, excluding forming, cracks, e.g. cleaning by sand-blasting or air-jet ; for trimming paving edges with power-driven tools, e.g. vibrated, percussive cutters rotary, e.g. circular-saw joint cutters about vertical or inclined axes, e.g. for core sampling
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Repair (AREA)
Abstract
The invention discloses a road surface cutting machine for highway construction, which comprises a guide plate, wherein connecting holes are respectively arranged at two ends inside the guide plate, a fixing bolt is slidably connected on the inner side surface of each connecting hole, a positioning head is arranged on the lower surface of the fixing bolt, a compression nut is in threaded connection with the upper end of the outer surface of the fixing bolt, a connecting groove is arranged on the front end surface of the guide plate, a positioning block is arranged on the inner bottom surface of the connecting groove, the outer surface of the positioning block is slidably connected with a connecting plate through a positioning groove, the outer surface of the connecting plate is slidably connected with the inner side surface of the connecting groove, the two side surfaces of the connecting plate are fixedly arranged on the inner side surface of the connecting groove through connecting screws, the road surface cutting machine for highway construction is connected with a machine frame through a guide plate structure with the guide grooves and, the safety and the high efficiency of the highway maintenance are ensured.
Description
Technical Field
The invention relates to the technical field of highway instruments, in particular to a pavement cutting machine for highway construction.
Background
At present highway maintenance in-process, need amputate the local road surface of damage, then fill the restoration again, this just needs use the road surface cutting machine to operate, drives the cutting piece through the gasoline engine and cuts, can effectively get rid of the road surface structure of damage.
But current road surface cutting machine still has some weak points when in-service use, for example, when the cutting, lack necessary guide structure, and because road surface hardness ratio arrives, the cutting machine is behind the skew dislocation, cause the cutting piece rupture easily to damage, the stability in use is relatively poor, and the inconvenient height of adjusting the cutting piece of current cutting machine structure, to different road surface structures, unable depth regulation, cause the cutting not in place easily, or the cutting depth is too big and increase work load, the result of use is unsatisfactory, can not guarantee driven rate of tension during the drive simultaneously, skid easily and cause the cutting piece to rotate unstably, the cutting effect is unsatisfactory.
Disclosure of Invention
The invention aims to provide a road surface cutting machine for road construction, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a road surface cutting machine for highway construction comprises a guide plate, wherein connecting holes are formed in two ends of the interior of the guide plate, a fixing bolt is connected to the inner side surface of each connecting hole in a sliding mode, a positioning head is arranged on the lower surface of each fixing bolt, and a compression nut is connected to the upper end of the outer surface of each fixing bolt in a threaded mode;
the front end surface of the guide plate is provided with a connecting groove, the inner bottom surface of the connecting groove is provided with a positioning block, the outer surface of the positioning block is connected with a connecting plate in a sliding manner through a positioning groove, the outer surface of the connecting plate is connected with the inner side surface of the connecting groove in a sliding manner, and the two side surfaces of the connecting plate are fixedly arranged on the inner side surface of the connecting groove through connecting screws;
the rear end surface of deflector is equipped with the direction recess, the inboard surface sliding connection of direction recess has the guide block, the both sides surface of guide block all is equipped with dodges the groove, dodge the inside in groove and placed supporting spring, supporting spring's both ends are rotated through the connecting seat and are connected with guide roller, guide roller's surface roll connection is in the inside both sides surface of direction recess.
Preferably, the rear side surface of the guide block is fixedly connected with a rack, the two side surfaces of the rack are rotatably connected with movable rollers, a handle is arranged on the front side surface of the rack, and a cavity is formed in the rack.
Preferably, the rear side surface of the cavity is provided with an open slot, the center of the inside of the cavity is rotatably connected with a driving belt wheel, and the lower end of the inside of the cavity is rotatably connected with a guide belt wheel.
Preferably, the inside upper end of cavity has the tensioning rod through-hole sliding connection, the surface upper end slip cap of tensioning rod has the tensioning spring, the lower surface of tensioning rod rotates and is connected with the tensioning band pulley.
Preferably, the equal fixedly connected with backup pad in upper surface both sides of frame, the inboard surface of backup pad articulates through the articulated shaft has the diaphragm, the lower surface rear side fixedly connected with arc cover of diaphragm, the inboard surface of arc cover rotates and is connected with the cutting piece, the axle head fixed mounting of cutting piece has driven pulleys, driven pulleys's surface rotates and is connected with the belt, the surface of belt rotates and connects in the surface of driving pulley, leading pulley and tensioning band pulley.
Preferably, the lower surface rear side of diaphragm fixedly connected with section of thick bamboo that resets, the inside sliding connection of a section of thick bamboo that resets has reset spring, the inside lower extreme sliding connection of a section of thick bamboo that resets has the release link, the lower surface fixed connection of release link is in the upper surface rear side of frame.
Preferably, the inside front end of diaphragm is equipped with rectangular logical groove, the inboard surface sliding connection who leads to the groove has adjusting threaded rod, adjusting threaded rod's upper surface is equipped with the hand wheel, adjusting threaded rod's lower surface rotates through rotating the seat and connects in the upper surface front end of frame.
Preferably, the outer surface of the adjusting threaded rod is in threaded connection with an adjusting nut, and the upper surface of the adjusting nut is slidably connected to the front end of the lower surface of the transverse plate.
Preferably, both sides of the lower surface of the adjusting nut are provided with guide rods, and the outer surfaces of the guide rods are connected to the upper surface of the rack in a sliding mode through holes.
Compared with the prior art, the invention has the beneficial effects that: this road surface cutting machine for highway construction is through the deflector structure that has the direction recess, combine the guide block to connect the frame, can install the deflector in advance, supplementary direction, avoid the skew dislocation, can couple together a plurality of deflectors through the connecting plate simultaneously, increase length and improve the adaptability, it is exactly the supplementary tensioning belt of tensioning band pulley through the spring tensioning again, can guarantee pivoted stability, install the cutting piece through articulated diaphragm simultaneously, the adjusting nut who combines the adjusting screw rod to connect supports the regulation, be convenient for adjust the height that the cutting piece descends, the cutting scope is more extensive, can adjust the belt tensioning by oneself simultaneously, the convenience and the stability of using can be greatly improved like this, guarantee the safe high efficiency that the highway was maintained.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the interface of the deflector of the present invention;
FIG. 3 is a side view of the frame of the present invention;
FIG. 4 is an enlarged view of the invention at A;
fig. 5 is a schematic view of an adjusting threaded rod connection of the present invention.
In the figure: the device comprises a guide plate 1, a connecting hole 11, a fixing bolt 12, a positioning head 13, a compression nut 14, a connecting groove 15, a positioning block 16, a positioning groove 17, a connecting plate 18, a connecting screw 19, a guide groove 2, a guide block 21, a dodging groove 22, a support spring 23, a guide roller 24, a rack 3, a movable roller 31, a handle 32, a cavity 33, an open groove 34, a driving pulley 35, a guide pulley 36, a tensioning rod 37, a tensioning spring 38, a tensioning pulley 39, a support plate 4, a hinging shaft 41, a transverse plate 42, an arc cover 43, a cutting blade 44, a driven pulley 45, a belt 46, a return cylinder 47, a return spring 48, a return rod 49, a strip through groove 5, an adjusting threaded rod 51, a hand wheel 52, a rotating seat 53, an adjusting nut 54 and a guide.
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. 1-5, the present invention provides a technical solution: a road surface cutting machine for highway construction comprises a guide plate 1, wherein connecting holes 11 are formed in two ends of the interior of the guide plate 1, fixing bolts 12 are connected to the inner side surfaces of the connecting holes 11 in a sliding mode, positioning heads 13 are arranged on the lower surfaces of the fixing bolts 12, compression nuts 14 are connected to the upper ends of the outer surfaces of the fixing bolts 12 in a threaded mode, the fixing bolts 12 are expansion bolts and can be fixed to the ground firstly, and then the guide plate 1 is installed and positioned, so that stability is guaranteed;
the front end surfaces of the guide plates 1 are provided with connecting grooves 15, the inner bottom surfaces of the connecting grooves 15 are provided with positioning blocks 16, the outer surfaces of the positioning blocks 16 are connected with connecting plates 18 in a sliding mode through positioning grooves 17, the end portions of the two guide plates 1 can be connected together, the degree of cutting is guaranteed, the length is further increased, different cutting lengths are adapted, safety and stability are achieved, the outer surfaces of the connecting plates 18 are connected to the inner side surfaces of the connecting grooves 15 in a sliding mode, and the surfaces of the two sides of each connecting plate 18 are fixedly installed on the inner side surfaces of the connecting grooves 15;
the rear end surface of deflector 1 is equipped with direction recess 2, the inboard surface sliding connection of direction recess 2 has guide block 21, can be in the inside slip of direction recess 2, and then guide positioning, avoid misplacing to one side skew, safety and stability when improving the cutting, the both sides surface of guide block 21 all is equipped with dodges groove 22, dodge the inside in groove 22 and placed supporting spring 23, supporting spring 23's both ends are rotated through the connecting seat and are connected with guide roller 24, can support the location like this, through guide roller 24's roll effect, when guaranteeing stability, can not interfere the removal, guarantee the convenience of using, guide roller 24's surface roll connection is in guide recess 2's inside both sides surface.
The rear side surface of the guide block 21 is fixedly connected with a rack 3, the two side surfaces of the rack 3 are rotatably connected with moving rollers 31, a handle 32 is arranged on the front side surface of the rack 3, the pushing and moving are convenient, the cutting is more convenient, and a cavity 33 is arranged inside the rack 3.
The rear side surface of cavity 33 is equipped with open slot 34, can dodge belt 46, avoids interfering, and the inside center department of cavity 33 rotates and is connected with driving pulley 35, and the axle head is connected with the gasoline engine, can drive, and concrete connection mode and theory of operation all belong to prior art, no longer describe, and the inside lower extreme of cavity 33 rotates and is connected with leading pulley 36.
There is tensioning rod 37 in the inside upper end of cavity 33 through-hole sliding connection, and tensioning spring 38 has been tied to the surface upper end sliding sleeve of tensioning rod 37, and tensioning rod 37's lower surface rotates and is connected with tensioning band pulley 39, can carry out the tensioning that makes progress to belt 46 like this, improves the stability of transmission, and when adjusting the height of cutting piece 44 simultaneously, can cushion and dodge, avoids length not enough, improves the convenience of using.
Equal fixedly connected with backup pad 4 in upper surface both sides of frame 3, the inboard surface of backup pad 4 articulates through articulated shaft 41 has diaphragm 42, convenient rotation angle regulation, and then can adjust the height that the cutting piece descends, the adaptability is than higher, the lower surface rear side fixedly connected with arc cover 43 of diaphragm 42, the inboard surface rotation of arc cover 43 is connected with cutting piece 44, the axle head fixed mounting of cutting piece 44 has driven pulley 45, driven pulley 45's surface rotates and is connected with belt 46, belt 46's surface rotation is connected in driving pulley 35, leading pulley 36 and tensioning band pulley 39's surface, can transmit power area cutting piece 44 rotation, guarantee the high efficiency of cutting.
The lower surface rear side fixedly connected with of diaphragm 42 resets a section of thick bamboo 47, and the inside sliding connection that resets a section of thick bamboo 47 has reset spring 48, and the inside lower extreme sliding connection that resets a section of thick bamboo 47 has release link 49, and the lower surface fixed connection of release link 49 is in the upper surface rear side of frame 3, can upwards push up the rear end of diaphragm 42 like this tightly, and then can upwards reset and raise the height, and it is more convenient high-efficient to use.
The front end of the inner portion of the transverse plate 42 is provided with a strip-shaped through groove 5, a strip-shaped structure can avoid interference of an adjusting threaded rod 51 when rotating, the stability during adjustment is improved, the inner side surface of the strip-shaped through groove 5 is connected with the adjusting threaded rod 51 in a sliding mode, the upper surface of the adjusting threaded rod 51 is provided with a hand wheel 52, and the lower surface of the adjusting threaded rod 51 is rotatably connected to the front end of the upper surface of the rack 3 through a rotating seat 53.
Adjusting threaded rod 51's surface threaded connection has adjusting nut 54, adjusting nut 54's upper surface sliding connection is in the lower surface front end of diaphragm 42, can adjust from top to bottom and prop up the front end height of diaphragm 42, and then adjust the height of cutting piece 44, it is more stable high-efficient, adjusting nut 54's lower surface both sides all are equipped with guide bar 55, through-hole sliding connection is passed through to guide bar 55's surface in the upper surface of frame 3, adjusting nut 54 can be avoided rotating, only can slide from top to bottom when guaranteeing to adjust, stability is improved.
The invention is implemented as follows: when the cutting machine is used, the guide plate 1 is fixed to the edge of a cutting position, then the cutting machine is fixedly installed through the fixing bolt 12, the fixing bolt 12 belongs to an expansion bolt, the specific connection mode belongs to the prior art, and description is omitted, then the guide block 21 is connected to the inside of the guide groove 2, the frame 3 can be positioned and guided, dislocation towards one side is avoided, then the gasoline engine can be started to drive the driving belt wheel 35 to rotate, further the driving belt wheel 46 can be driven to drive the cutting blade 44 to rotate, the cutting machine needs to adjust the height downwards to cut, the adjusting threaded rod 51 can be driven to rotate through the hand wheel 52, the adjusting nut 54 cannot rotate due to the limit of the guide rod 55, the adjusting nut 54 can be driven to slide upwards through the thread effect, the front end of the transverse plate 42 is pushed to rotate upwards, avoidance is carried out through the strip through, transverse plate 42 rotates around articulated shaft 41 like this, the rear end is taking arc cover 43 to remove downwards, can make pivoted cutting piece 44 cut downwards and enter into under the road surface, it is more convenient to adjust relatively, when adjusting height simultaneously, can change belt 46's angle and stroke, can change tensioning band pulley 39's height through tensioning rod 37 compression tensioning spring 38, and then guarantee the tensioning effect, improve the stability of cutting, can promote the frame 3 through handle 32 and remove after that, slide in the guide groove 2 inside through guide block 21 and lead to the direction, avoid the dislocation and cause cutting piece 44 to damage, safety and high efficiency are improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a road surface cutting machine for highway construction, includes deflector (1), its characterized in that: connecting holes (11) are formed in two ends of the inner portion of the guide plate (1), a fixing bolt (12) is connected to the inner side surface of each connecting hole (11) in a sliding mode, a positioning head (13) is arranged on the lower surface of each fixing bolt (12), and a compression nut (14) is connected to the upper end of the outer surface of each fixing bolt (12) in a threaded mode;
a connecting groove (15) is formed in the front end surface of the guide plate (1), a positioning block (16) is arranged on the inner bottom surface of the connecting groove (15), the outer surface of the positioning block (16) is connected with a connecting plate (18) in a sliding mode through a positioning groove (17), the outer surface of the connecting plate (18) is connected to the inner side surface of the connecting groove (15) in a sliding mode, and the surfaces of the two sides of the connecting plate (18) are fixedly installed on the inner side surface of the connecting groove (15) through connecting screws (19);
the rear end surface of deflector (1) is equipped with direction recess (2), the inboard surface sliding connection of direction recess (2) has guide block (21), the both sides surface of guide block (21) all is equipped with dodges groove (22), support spring (23) have been placed to the inside of dodging groove (22), the both ends of support spring (23) are rotated through the connecting seat and are connected with guide roller (24), the surface roll connection of guide roller (24) is in the inside both sides surface of direction recess (2).
2. The road surface cutting machine for road construction according to claim 1, characterized in that: the rear side surface of guide block (21) fixedly connected with frame (3), the both sides surface of frame (3) all rotates and is connected with removal gyro wheel (31), the front side surface of frame (3) is equipped with handle (32), the inside of frame (3) is equipped with cavity (33).
3. The road surface cutting machine for road construction according to claim 2, characterized in that: the rear side surface of cavity (33) is equipped with open slot (34), the inside center department of cavity (33) rotates and is connected with driving pulley (35), the inside lower extreme of cavity (33) rotates and is connected with direction band pulley (36).
4. The road surface cutting machine for road construction according to claim 2, characterized in that: the inside upper end of cavity (33) has tensioning rod (37) through-hole sliding connection, tensioning spring (38) have been cup jointed to the surface upper end slip of tensioning rod (37), the lower surface of tensioning rod (37) rotates and is connected with tensioning band pulley (39).
5. The road surface cutting machine for road construction according to claim 2, characterized in that: the equal fixedly connected with backup pad (4) in upper surface both sides of frame (3), the inboard surface of backup pad (4) articulates through articulated shaft (41) has diaphragm (42), lower surface rear side fixedly connected with arc cover (43) of diaphragm (42), the inboard surface rotation of arc cover (43) is connected with cutting piece (44), the axle head fixed mounting of cutting piece (44) has driven pulley (45), the surface rotation of driven pulley (45) is connected with belt (46), the surface rotation of belt (46) is connected in the surface of driving pulley (35), leading pulley (36) and tensioning band pulley (39).
6. The road surface cutting machine for road construction according to claim 5, characterized in that: the lower surface rear side fixedly connected with of diaphragm (42) resets a section of thick bamboo (47), the inside sliding connection that resets a section of thick bamboo (47) has reset spring (48), the inside lower extreme sliding connection that resets a section of thick bamboo (47) has release link (49), the lower surface fixed connection of release link (49) is in the upper surface rear side of frame (3).
7. The road surface cutting machine for road construction according to claim 5, characterized in that: the inside front end of diaphragm (42) is equipped with rectangular logical groove (5), the inboard surface sliding connection who rectangular leads to groove (5) has adjusting threaded rod (51), adjusting threaded rod (51)'s upper surface is equipped with hand wheel (52), adjusting threaded rod (51)'s lower surface rotates through rotating seat (53) and connects in the upper surface front end of frame (3).
8. The road surface cutter for road construction according to claim 7, characterized in that: the outer surface of the adjusting threaded rod (51) is in threaded connection with an adjusting nut (54), and the upper surface of the adjusting nut (54) is connected to the front end of the lower surface of the transverse plate (42) in a sliding mode.
9. The road surface cutter for road construction according to claim 8, wherein: guide rods (55) are arranged on two sides of the lower surface of the adjusting nut (54), and the outer surfaces of the guide rods (55) are connected to the upper surface of the rack (3) in a sliding mode through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811162261.8A CN108894090B (en) | 2018-09-30 | 2018-09-30 | Road surface cutting machine for highway construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811162261.8A CN108894090B (en) | 2018-09-30 | 2018-09-30 | Road surface cutting machine for highway construction |
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| CN108894090A CN108894090A (en) | 2018-11-27 |
| CN108894090B true CN108894090B (en) | 2020-09-25 |
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| CN201811162261.8A Active CN108894090B (en) | 2018-09-30 | 2018-09-30 | Road surface cutting machine for highway construction |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111232564A (en) * | 2020-01-23 | 2020-06-05 | 宜兴高泰克精密机械有限公司 | Feeding device for flange machining |
| CN111395133A (en) * | 2020-03-24 | 2020-07-10 | 安徽中桥建设集团有限公司 | Road construction is road surface cutting reducing mechanism for maintenance |
| CN111455949A (en) * | 2020-04-10 | 2020-07-28 | 马茹宾 | Rotary transmission control device for movable ice surface cutting device |
| CN112482170A (en) * | 2020-11-13 | 2021-03-12 | 王修亮 | Edge asphalt slag removing equipment for asphalt road paving |
| CN113305107A (en) * | 2021-06-26 | 2021-08-27 | 济南隆超石油机械锻造有限公司 | Oxide skin knockout machine |
| CN113668347B (en) * | 2021-07-27 | 2022-12-23 | 马良 | Automatic guide correction road cutting device |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202008011915U1 (en) * | 2008-09-08 | 2008-11-27 | Lissmac Maschinenbau Und Diamantwerkzeuge Gmbh | Movable joint cutter |
| CN201367551Y (en) * | 2009-02-25 | 2009-12-23 | 吴凌云 | Traveling guiding device of pavement groove cutter |
| WO2012030994A2 (en) * | 2010-08-31 | 2012-03-08 | Vermeer Manufacturing Company | Trenching machine with rear guide |
| CN102995550A (en) * | 2012-11-02 | 2013-03-27 | 铜陵隆顺环保设备有限公司 | Rectilinear guide wheel fixing mechanism of circular spherical joint cutting machine |
| CN205295901U (en) * | 2015-12-30 | 2016-06-08 | 山西机械化建设集团公司 | Concrete pavement closing machine operation device that leads is by oneself said to airport field |
| CN205975326U (en) * | 2016-08-11 | 2017-02-22 | 嘉兴建祥建设有限公司 | Road cutting machine |
| CN206752275U (en) * | 2017-03-17 | 2017-12-15 | 浙江协和建设有限公司 | Pavement cutting machine |
| CN207442335U (en) * | 2017-09-07 | 2018-06-01 | 广东智慧城市建设有限公司 | A kind of overhead device of electrical equipment |
| CN207727403U (en) * | 2018-01-08 | 2018-08-14 | 瑞德(新乡)路业有限公司 | A kind of stingy seam machine guider in airport |
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Effective date of registration: 20200902 Address after: No. 48, Jinxin Road, Shantou City, Guangdong Province Applicant after: Guangdong Hengda road and Bridge Construction Co.,Ltd. Address before: 450000 Zhengzhou City, Henan Province 412723196304068142 Applicant before: Zhou Meilan |
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Address after: 510530 Room 101, No.10 Minrong street, Changling street, Huangpu District, Guangzhou City, Guangdong Province Patentee after: Guangdong Hengda road and Bridge Construction Co.,Ltd. Address before: No.48 Jinxin Road, Shantou, Guangdong 515000 Patentee before: Guangdong Hengda road and Bridge Construction Co.,Ltd. |
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