CN112459122B - Municipal administration cable well lid changes device - Google Patents
Municipal administration cable well lid changes device Download PDFInfo
- Publication number
- CN112459122B CN112459122B CN202011284506.1A CN202011284506A CN112459122B CN 112459122 B CN112459122 B CN 112459122B CN 202011284506 A CN202011284506 A CN 202011284506A CN 112459122 B CN112459122 B CN 112459122B
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- China
- Prior art keywords
- cutting
- well lid
- carousel
- cutting assembly
- claw
- 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.)
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- 238000005520 cutting process Methods 0.000 claims abstract description 98
- 210000000078 claw Anatomy 0.000 claims abstract description 25
- 238000003825 pressing Methods 0.000 claims abstract description 11
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 8
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 8
- 241001330002 Bambuseae Species 0.000 claims description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 8
- 239000011425 bamboo Substances 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 230000008859 change Effects 0.000 abstract description 3
- 230000001681 protective effect Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
- E02D29/1445—Tools for positioning or removing cover frames
Abstract
The invention discloses a municipal cable well lid replacing device which comprises a pressing plate and a cutting assembly, wherein a shaft sleeve is arranged at the upper end of the pressing plate, a rotating shaft is arranged in the shaft sleeve, the cutting assembly is connected to the lower end of the pressing plate and is in sliding connection with the rotating shaft, and a hydraulic cylinder connected with the cutting assembly is arranged at the upper end of the pressing plate. The cutting assembly comprises a cutting arm, a supporting arm and a cutting disc, the cutting disc comprises an upper rotary disc and a lower rotary disc, the supporting arm is uniformly fixed between the upper rotary disc and the lower rotary disc, the supporting arm comprises a supporting cylinder and a telescopic rod, the supporting cylinder is connected with the upper rotary disc and the lower rotary disc through a lead screw, the cutting arm comprises a connecting plate, a claw seat and a cutting claw, the lower end of the claw seat is provided with the cutting claw, and the claw seat is sleeved at the lower end of the connecting plate. Can carry out annular cutting to the road surface around the damaged well lid, cutting speed is fast, efficient, has saved manpower and time greatly, can accelerate well lid change speed, reduces the influence to road traffic.
Description
Technical Field
The invention relates to the technical field of power equipment, in particular to a municipal cable well lid replacing device.
Background
Municipal administration well lid for cover the road deep well, prevent that people or object from falling. A circular shape is generally used. Can be used for green belts, sidewalks, motor vehicle lanes, wharfs, alleys and the like.
Municipal administration well lid is in long-term use, because constantly rolling of vehicle leads to well lid and well seat to take place the damage, if the maintenance untimely traffic accident that leads to easily, traditional change mode adopts electric saw or electric hammer a bit to cut open subaerial concrete, then takes out well seat and well lid, changes new well seat and well lid, backfills the concrete at last and flattens the concrete.
The prior art adopts artifical mode when getting damaged well lid and well seat, changes the inefficiency, extravagant a large amount of manpowers and time, and a lot of well lids set up in the middle of the road moreover, and the change time can seriously influence traffic order too for a long time.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the municipal cable well cover replacing device which can perform annular cutting on the road surface around the damaged well cover, has high cutting speed and high efficiency, greatly saves manpower and time, can accelerate the well cover replacing speed and reduce the influence on road traffic.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a municipal administration cable well lid changing device, includes pressure disk and cutting assembly, the upper end of pressure disk is equipped with the axle sleeve, be equipped with the pivot in the axle sleeve, the lower extreme of pressure disk even has cutting assembly, cutting assembly and pivot sliding connection, the upper end of pressure disk is equipped with the pneumatic cylinder of being connected with cutting assembly.
Preferably, the lower extreme edge of pressure disk can dismantle even there is the protection casing, the surface of protection casing evenly is equipped with the mesh.
Preferably, the edge of pressure disk is equipped with the fixed plate, fixed plate and protection casing bolted connection.
Preferably, be connected through the bearing between pivot and the axle sleeve, the upper end of pivot is equipped with the connecting hole, be equipped with the pinhole on the lateral wall of connecting hole, the lower extreme of pivot is equipped with the trepanning, the upper end of cutting assembly be equipped with trepanning complex connecting axle.
Preferably, the cutting assembly includes cutting arm, support arm and cutting dish, the cutting dish includes carousel and lower carousel, it evenly is fixed with the support arm to go up between carousel and the lower carousel, the support arm is including supporting a section of thick bamboo and telescopic link, it is connected with last carousel, lower carousel through the lead screw to support a section of thick bamboo, the tip slip of supporting a section of thick bamboo even has the telescopic link, be equipped with the locking bolt of fixed telescopic link on the lateral wall of supporting a section of thick bamboo, the cutting arm includes connecting plate, claw seat and cutting claw, the connecting plate is connected with the tip of telescopic link is perpendicular, the lower extreme of claw seat is equipped with the cutting claw, and the claw seat cup joints the lower extreme at the connecting plate.
Preferably, backup plates connected with the cutting disc are arranged on two sides of the supporting cylinder, and supporting plates are connected between the backup plates.
Preferably, the upper end of going up the carousel rotates to link has draws the clamping ring, the upper end of drawing the clamping ring is equipped with the guide bar, the upper end of pressure disk be equipped with guide bar complex guide cylinder, the upper end of guide bar is equipped with the stopper, the pneumatic cylinder is connected with the upper end of drawing the clamping ring.
Preferably, the upper end of going up the carousel is equipped with the spacing ring, and the quantity of spacing ring is two, forms the ring channel between two spacing rings, draw the clamping ring to be located the ring channel, the lower extreme that draws the clamping ring evenly is equipped with the ball, the upper end of spacing ring is equipped with the fender ring.
Preferably, a reinforcing rib is arranged between the shaft sleeve and the pressing plate.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the rotary cutting device, the cutting assembly is used for rotary cutting, the hydraulic cylinder provides a downward pressing cutting force, the road surface around the damaged well lid can be cut in an annular mode, the cutting speed is high, the efficiency is high, manpower and time are greatly saved, the well lid replacement speed can be increased, and the influence on road traffic is reduced.
2. In order to ensure the safety in the cutting process, the protective cover is detachably connected to the lower end edge of the pressure plate, meshes are uniformly arranged on the surface of the protective cover, on one hand, the weight can be reduced, on the other hand, the cutting condition can be observed through the meshes, the protective cover can also play a role in supporting and protecting, not only can cutting broken stones be prevented from flying out, but also foreign objects can be prevented from entering, the safety is ensured, and the protective cover adopts a detachable structure, so that the internal cutting assembly can be conveniently maintained.
3. The matching form of the rotating shaft and the connecting shaft can meet the sliding requirement and provide rotating power, the structure is simple, the use is convenient, the compactness of the structure is improved, and the space is greatly saved.
4. The length of the supporting arm is adjustable, the well covers with different diameters can be replaced, the universality is improved, the supporting arm and the cutting arm and the connecting plate and the claw seat are detachably connected, the replacement is convenient, the cost can be saved, and the waste is avoided.
5. According to the invention, the backup plates connected with the cutting disc are arranged on the two sides of the supporting cylinder, and the supporting plates are connected between the backup plates to support and fix the supporting arms, so that the reliability of the whole structure is improved.
6. The pull-press ring can pull and press the cutting disc, can provide cutting power, can pull and lift the cutting disc through the hydraulic cylinder, can ensure the stability of the cutting disc in the cutting process by pressing the cutting disc downwards through the balls at the bottom of the press ring, ensures uniform stress, reduces the abrasion to the cutting claw, and improves the overall service life.
Drawings
FIG. 1 is a first schematic structural diagram of the present invention;
FIG. 2 is a second schematic structural view of the present invention;
FIG. 3 is a cross-sectional view of the present invention;
FIG. 4 is a schematic view of a cutting assembly;
FIG. 5 is a schematic view of the cutting assembly with the upper turntable removed;
fig. 6 is a schematic structural view of the tension ring.
In the figure: 1-pressing a plate; 101-a guide cylinder; 102-a shaft sleeve; 103-reinforcing ribs; 104-a connecting plate; 2-a hydraulic cylinder; 3-a rotating shaft; 301-connection hole; 302-pin hole; 303-trepanning; 4-a protective cover; 5-a cutting arm; 501-connecting plate; 502-a jaw seat; 503-cutting jaws; 6-a support arm; 601-a support cylinder; 602-a telescopic rod; 603-locking bolts; 7-cutting the disc; 701-a connecting shaft; 702-a baffle ring; 703-a stop collar; 704-lower turntable; 705-backing plate; 706-a support plate; 707-a screw rod; 708-an upper turntable; 709-ring path; 8-pulling and pressing the ring; 801-guide bar; 802-a ball bearing; 803-limiting block.
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.
As shown in fig. 1-2, a municipal administration cable well lid replacement device, including pressure disk 1 and cutting assembly, the upper end of pressure disk is equipped with axle sleeve 102, be equipped with strengthening rib 103 between axle sleeve 102 and the clamp plate, improve structural firmness, be equipped with pivot 3 in the axle sleeve 102, be connected through the bearing between pivot 3 and the axle sleeve 102, the lower extreme of pressure disk 1 even has cutting assembly, cutting assembly and 3 sliding connection of pivot, the upper end of pressure disk 1 is equipped with pneumatic cylinder 2 of being connected with cutting assembly, pivot 3 is connected with engineering machine tool and provides rotary power, pneumatic cylinder 2 is used for pushing down cutting assembly, provide the power of cutting down for cutting assembly.
In order to guarantee the security among the cutting process, can dismantle at pressure disk 1's lower extreme edge even there is protection casing 4, and protection casing 4's surface evenly is equipped with the mesh, can weight reduction on the one hand, and on the other hand can observe the cutting situation through the mesh, and protection casing 4 can also play support, guard action, not only prevents the cutting rubble departure, can also prevent that the foreign object from getting into, ensures safety.
In order to facilitate the dismouting, be equipped with fixed plate 104 in pressure disk 1's edge, fixed plate 104 and protection casing 4 bolted connection, the dismouting is convenient, and protection casing 4 adopts detachable construction, can be convenient for maintain the cutting assembly of inside.
In order to facilitate connection, as shown in fig. 3, a connection hole 301 is formed in the upper end of the rotating shaft 3, a pin hole 302 is formed in the side wall of the connection hole 301 and used for fixing during connection, a sleeve hole 303 is formed in the lower end of the rotating shaft 3, a connection shaft 701 matched with the sleeve hole 303 is arranged at the upper end of the cutting assembly, in order to provide rotating power, the connection shaft 701 is of a prism structure, the sleeve hole 303 is in sliding fit with the connection shaft 701, the pressing movement in the cutting process is met, the sliding requirement can be met, and the rotating power can be provided.
The method specifically comprises the following steps: as shown in fig. 4, the cutting assembly includes a cutting arm 5, a support arm 6 and a cutting disc 7, the cutting disc 7 includes an upper rotating disc 708 and a lower rotating disc 704, the support arm 6 is uniformly fixed between the upper rotating disc 708 and the lower rotating disc 704, in this embodiment, 6 support arms 6 are provided, the support arm 6 includes a support cylinder 601 and a telescopic rod 602, the support cylinder 601 is connected with the upper rotating disc 708 and the lower rotating disc 704 through a screw 707, the end of the support cylinder 601 is slidably connected with the telescopic rod 602, a locking bolt 603 for fixing the telescopic rod 602 is provided on a side wall of the support cylinder 601, the length of the telescopic rod 602 can be adjusted, the requirement for changing well lids with different diameters can be met, the versatility is increased, the cutting arm 5 includes a connecting plate 501, a claw seat 502 and a cutting claw 503, the connecting plate 501 is vertically connected with the end of the telescopic rod 602, the connecting plate can be detached and replaced through a bolt, the lower end of the claw seat 502 is provided with the cutting claw 503, the claw seat 502 is sleeved on the lower end of the connecting plate 501 and connected with a bolt, the claw seat 502 can be replaced, maintenance is convenient, and cost is saved.
In order to ensure the stability and firmness of the structure of the supporting arm 6, as shown in fig. 5, the two sides of the supporting cylinder 601 are provided with the backup plates 705 connected with the cutting disc 7, and the supporting plate 706 is connected between the backup plates 705 to support and fix the supporting arm 6, thereby increasing the reliability of the whole structure.
As shown in fig. 6, the upper end of the upper rotating disc 708 is rotatably connected with the pull-press ring 8, the upper end of the pull-press ring 8 is provided with the guide rod 801, the upper end of the pressure plate 1 is provided with the guide cylinder 101 matched with the guide rod 801, the guide effect on the up-and-down movement of the cutting disc 7 is achieved, the cutting is ensured to be tidy and accurate, the upper end of the guide rod 801 is provided with the limit block 803, the separation between the cutting disc 7 and the pressure plate 1 can be prevented in the pull-up process, and the hydraulic cylinder 2 is connected with the upper end of the pull-press ring 8.
The rotation connection mode between the tension and compression ring 8 and the cutting disc 7 is as follows: the upper end of going up carousel 708 is equipped with spacing ring 703, and the quantity of spacing ring 703 is two, and the diameter of two spacing rings 703 is different, forms the ring way 709 between two spacing rings 703, draws the clamping ring 8 to be located the ring way 709, draws the lower extreme of clamping ring 8 and evenly is equipped with ball 802, and the upper end of spacing ring 703 is equipped with and keeps off ring 702, blocks the clamping ring 8 and prevents the slippage.
When the device is used, an output shaft of the engineering machine is connected with the rotating shaft 3, a pin rod is inserted into the pin hole 302 for fixing, the device is slowly moved to the position above a well lid to be replaced through the engineering machine, the upper position and the lower position of the device are aligned with the well lid to be replaced, then the device slowly descends, the protective cover 4 is pressed on the ground, the output shaft of the engineering machine is started to drive the rotating shaft 3 to rotate, the rotating shaft drives the connecting shaft 701 to rotate, the connecting shaft 701 drives the cutting disc 7 to rotate, meanwhile, the hydraulic cylinder 2 extends to press the cutting disc 7 downwards, the cutting claw 503 is pressed on the ground to provide cutting force for the cutting process, along with the rotation of the cutting arm 5, the cutting claw 503 cuts an annular groove on the ground until the well base is separated from the ground, at the moment, the hydraulic cylinder 2 pulls the cutting disc 7 to return, the engineering machine lifts and removes the replacing device, at the moment, the damaged well base and the well lid can be taken out to replace the well base and the well lid, the cutting process is simple and quick, and the well cover replacing speed can be greatly improved.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (5)
1. The utility model provides a device is changed to municipal administration cable well lid which characterized in that: including pressure disk and cutting assembly, the upper end of pressure disk is equipped with the axle sleeve, be equipped with the pivot in the axle sleeve, the lower extreme of pressure disk even has cutting assembly, cutting assembly and pivot sliding connection, the upper end of pressure disk is equipped with the pneumatic cylinder of being connected with cutting assembly, be connected through the bearing between pivot and the axle sleeve, the upper end of pivot is equipped with the connecting hole, be equipped with the pinhole on the lateral wall of connecting hole, the lower extreme of pivot is equipped with the trepanning, cutting assembly's upper end be equipped with trepanning complex connecting axle, the connecting axle is prismatic structure, trepanning and connecting axle sliding fit, cutting assembly includes cutting arm, support arm and cutting dish, the cutting dish includes carousel and lower carousel, evenly be fixed with the support arm between carousel and the lower carousel, the support arm includes a support section of thick bamboo and telescopic link, a support section of thick bamboo passes through lead screw and last carousel, cutting dish, The lower carousel is connected, the tip of a support section of thick bamboo slides even has the telescopic link, be equipped with the locking bolt of fixed telescopic link on the lateral wall of a support section of thick bamboo, the cutting arm includes connecting plate, claw seat and cutting claw, the connecting plate is connected with the tip of telescopic link is perpendicular, the lower extreme of claw seat is equipped with the cutting claw, and the claw seat cup joints the lower extreme at the connecting plate, the upper end of going up the carousel rotates even has the clamping ring, the upper end of pulling the clamping ring is equipped with the guide bar, the upper end of pressure disk be equipped with guide bar complex guide cylinder, the upper end of guide bar is equipped with the stopper, the pneumatic cylinder is connected with the upper end of pulling the clamping ring, the upper end of going up the carousel is equipped with the spacing ring, and the quantity of spacing ring is two, forms the ring way between two spacing rings, pull the clamping ring and be located the ring way, the lower extreme of pulling the clamping ring evenly is equipped with the ball, the upper end of spacing ring is equipped with the retaining ring.
2. The municipal cable well lid replacing device according to claim 1, wherein: the lower extreme edge of pressure disk can dismantle even there is the protection casing, the surface of protection casing evenly is equipped with the mesh.
3. The municipal cable well lid replacing device according to claim 2, wherein: the edge of pressure disk is equipped with the fixed plate, fixed plate and protection casing bolted connection.
4. The municipal cable well lid replacing device according to claim 1, wherein: backup plates connected with the cutting disc are arranged on two sides of the supporting cylinder, and supporting plates are connected between the backup plates.
5. The municipal cable well lid replacing device according to claim 1, wherein: and reinforcing ribs are arranged between the shaft sleeve and the pressing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011284506.1A CN112459122B (en) | 2020-11-17 | 2020-11-17 | Municipal administration cable well lid changes device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011284506.1A CN112459122B (en) | 2020-11-17 | 2020-11-17 | Municipal administration cable well lid changes device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112459122A CN112459122A (en) | 2021-03-09 |
| CN112459122B true CN112459122B (en) | 2022-04-08 |
Family
ID=74837595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011284506.1A Active CN112459122B (en) | 2020-11-17 | 2020-11-17 | Municipal administration cable well lid changes device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112459122B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206052512U (en) * | 2016-08-12 | 2017-03-29 | 浙江方圆市政工程有限公司 | Pavement cutting machine |
| CN108411870A (en) * | 2018-05-22 | 2018-08-17 | 泉州永春信凯机械设备有限公司 | A kind of lake surface operation icecap |
| CN209798501U (en) * | 2019-04-10 | 2019-12-17 | 柳州市建筑设计科学研究院 | Road well lid excavator of dust fall environmental protection |
| CN210177340U (en) * | 2019-04-14 | 2020-03-24 | 潘浩 | Pavement construction maintenance vehicle |
| CN111636281A (en) * | 2020-07-01 | 2020-09-08 | 英达热再生有限公司 | Road surface cutterbar |
| CN211522782U (en) * | 2019-10-10 | 2020-09-18 | 浙江八咏公路工程有限公司 | Pavement cutting device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8646847B2 (en) * | 2009-10-14 | 2014-02-11 | Coneqtec Corp. | Manhole remover |
-
2020
- 2020-11-17 CN CN202011284506.1A patent/CN112459122B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206052512U (en) * | 2016-08-12 | 2017-03-29 | 浙江方圆市政工程有限公司 | Pavement cutting machine |
| CN108411870A (en) * | 2018-05-22 | 2018-08-17 | 泉州永春信凯机械设备有限公司 | A kind of lake surface operation icecap |
| CN209798501U (en) * | 2019-04-10 | 2019-12-17 | 柳州市建筑设计科学研究院 | Road well lid excavator of dust fall environmental protection |
| CN210177340U (en) * | 2019-04-14 | 2020-03-24 | 潘浩 | Pavement construction maintenance vehicle |
| CN211522782U (en) * | 2019-10-10 | 2020-09-18 | 浙江八咏公路工程有限公司 | Pavement cutting device |
| CN111636281A (en) * | 2020-07-01 | 2020-09-08 | 英达热再生有限公司 | Road surface cutterbar |
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| Publication number | Publication date |
|---|---|
| CN112459122A (en) | 2021-03-09 |
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