CN105113379B - A kind of well lid repairs vehicle and automatic milling and planing system - Google Patents
A kind of well lid repairs vehicle and automatic milling and planing system Download PDFInfo
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- CN105113379B CN105113379B CN201510528769.5A CN201510528769A CN105113379B CN 105113379 B CN105113379 B CN 105113379B CN 201510528769 A CN201510528769 A CN 201510528769A CN 105113379 B CN105113379 B CN 105113379B
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- milling
- oil cylinder
- cutterhead
- well lid
- arm
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Abstract
The invention discloses a kind of well lids to repair vehicle, including load wagon, and bituminous concrete case, well lid transport case, control box, beam mechanism, hydraulic support leg, cutterhead and gripping arm on load wagon, load wagon is equipped with bituminous concrete case, disk of walking around is installed back in the well lid transport case at load wagon rear portion, turntable connection rotary motor is turned round, revolution turntable rotation is driven by rotary motor；Beam mechanism, beam mechanism end installation milling mechanism and grasping mechanism are installed on revolution turntable；The bottom end at load wagon rear portion is equipped with hydraulic support leg, and hydraulic support leg, rotary motor, beam mechanism, milling mechanism and grasping mechanism are driven by hydraulic system, hydraulic system connection control box.The milling of present invention collection, lifting, bituminous concrete are filled in one, instead of artificial heavy labor, shorten the maintenance time, reduce maintenance cost, relative to existing road surface breakage well lid Maintenance specification, shorten the maintenance time.
Description
Technical field
The present invention relates to a kind of well lids to repair vehicle and automatic milling and planing system.
Background technology
With China's expanding economy, highway and urban highway traffic amount are increasing, therefore it is required that highway, city
The maintaining unit of city's road rapidly repairs the disease of highways and streets and just can guarantee the normal of traffic in time.In city
Can be dispersed on road some municipal drainages, communication cable, power cable well lid, under the repeated action of car load, well
Broken, depression often occurs for lid periphery road surface, generates cracking failure immediately, there will be severe walling crib and loosens, seriously affects friendship
Logical safety, congestion in road and road are beautiful, these diseases must be repaired or be replaced, just can guarantee smooth traffic and driving
Safety.
There are two types of current settling modes, and one kind is traditional work, using artificial plus small-sized machine；Another is near several
Year gradually grow up using based on milling mechanism, manually with small-sized machine supplemented by operating type (such operating type is American-European
Country's use is more, because reequiping milling mechanism with sliding loader, purchases machine cost and accessory is more complicated after sale, cost is higher, state
It is interior actually rare).Both operating types all have the following disadvantages：1) strong noise：Such as air compressor machine, pneumatic pick, grooving machine)；2)
It is inefficient；3) maintenance personal's labor intensity is big；4) it takes a lot of work, is bothersome, expense is expected and pollution is big；5) construction quality can not ensure, apply
Vehicle congestion is often resulted between duration.
Invention content
The present invention proposes a kind of well lid and repairs vehicle and automatic milling and planing system, and collection milling, lifting, bituminous concrete are filled in
One instead of artificial heavy labor, shortens the maintenance time, reduces maintenance cost, is broken relative to existing road surface
Well lid Maintenance specification is damaged, shortens the maintenance time, shortens the traffic envelope road time, damaged well lid maintenance is fast, saves
Manpower saves maintenance cost, and construction inherent quality is guaranteed, and construction presentation quality is beautiful.
The present invention is realized particular by following technical scheme：
A kind of well lid repairs vehicle, bituminous concrete case, well lid transport including load wagon and on load wagon
Case, control box, beam mechanism, hydraulic support leg, cutterhead and gripping arm, the load wagon are equipped with bituminous concrete case, the dress
Disk of walking around is installed back in the well lid transport case at carrier vehicle rear portion, the revolution turntable connection rotary motor is driven back by rotary motor
It walks around disc spins；Beam mechanism, the beam mechanism end installation milling mechanism and grasping mechanism are installed on the revolution turntable；
The bottom end at the load wagon rear portion is equipped with hydraulic support leg, the hydraulic support leg, rotary motor, beam mechanism, milling mechanism
It is driven with grasping mechanism by hydraulic system, the hydraulic system connects control box.
Further, the beam mechanism includes arm support principal arm, arm support auxiliary, level-one oil cylinder, two-level oil cylinder, three-level oil cylinder
With milling feed cylinder, described arm support principal arm one end is fixed on by shaft on revolution turntable, and other end fixation is consolidated by shaft
It is scheduled in the middle part of arm support auxiliary；Described level-one oil cylinder one end is fixed on revolution turntable, and the other end is fixed on arm support master by shaft
In the middle part of arm；One end of the two-level oil cylinder is fixed on by shaft in the middle part of arm support principal arm, and the other end is fixed on the one of arm support auxiliary
End, the other end of the arm support auxiliary are fixed on the middle part of milling feed cylinder by shaft；One end of the three-level oil cylinder leads to
It crosses shaft to be fixed in the middle part of arm support auxiliary, the other end is fixed on one end of milling feed cylinder, the milling feeding by shaft
The other end of oil cylinder fixes milling mechanism；The level-one oil cylinder, two-level oil cylinder, three-level oil cylinder and milling feed cylinder connect respectively
Hydraulic system.
Further, the milling mechanism includes at least milling motor, cutterhead and milling-planing teeth, and the cutterhead is fixed on arm support
Mechanism end, the cutterhead top are equipped with milling motor, and the milling motor drives cutterhead to rotate by transmission mechanism, the knife
Face try to get to the heart of a matter equipped with milling-planing teeth, the milling motor is connected to hydraulic system.
Further, the grasping mechanism includes at least gripping arm oil cylinder and gripping arm, and the gripping arm is at least by two gripper machines
The chain one end for being installed on gripping arm oil cylinder of tool, the other end of gripping arm oil cylinder are fixed on beam mechanism end, and gripping arm oil cylinder is stretched up and down
Contracting drives the gripper folding of gripping arm, and the gripping arm oil cylinder connects hydraulic system.
Further, the bituminous concrete case includes at least the auger set in babinet, the auger connection discharging horse
It reaches, the discharging motor is connected to hydraulic system.
A kind of automatic milling and planing system for the well lid to be controlled to repair vehicle, distinguishes electricity including control box and with control box
Power takeoff speed probe, cutterhead speed probe, voice module, display module and the microswitch of road connection, the cutterhead
Speed probe is mounted on the rotating speed that cutterhead is measured in milling mechanism, and the power takeoff speed probe is installed on hydraulic system
On power takeoff, installation positioner in the milling mechanism installs microswitch on the locator.
Further, the microswitch is moved up and down with milling mechanism, is contacted with ground when reaching certain pressure, is sent
Signal drives cutterhead rotation, while power takeoff turns to control box, control box control hydraulic system driving milling motor operations
The numerical value of fast sensor and cutterhead speed probe passes through display module.
Further, when the rotating speed that power takeoff speed probe and cutterhead speed probe detect drops to predetermined value
When, control box control voice module is prompted, and again without the input signal for receiving control box when, control hydraulic system stop
Fuel feeding gives milling motor so that cutterhead stops rotating.
What the present invention generated has the beneficial effect that：The present invention is examined using power takeoff speed probe and cutterhead speed probe
Operation rotating speed is surveyed, and passes through the tachometer value that display unit Dynamic Announce monitors, relative to the prior art with subjective feeling, is had
Monitoring is accurate, and real-time improves the stable operation safety of well lid milling and plane operation；Whole structure design passes through control simultaneously
Box controls the startup of motor, carries out the movement of whole device, ensures the intelligence and safety of milling and plane operation, reduce operation
The labor intensity of personnel.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structure diagram of invention；
Fig. 2 is the vertical view of the present invention；
Schematic diagram when Fig. 3 is milling well lid of the present invention；
Fig. 4 is the schematic diagram of each control unit installation of the present invention；
Fig. 5 is control system block schematic illustration of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
A kind of well lid repairs vehicle, the bituminous concrete including load wagon 1 and on load wagon as shown in Figures 1 to 3
Case 2, well lid transport case 6, control box 7, beam mechanism, hydraulic support leg 8, cutterhead 22 and gripping arm 21, the load wagon 1 are equipped with
Bituminous concrete case 2, disk 9 of walking around is installed back in the well lid transport case 6 at 1 rear portion of load wagon, and the revolution turntable 9 connects back to
Turn motor 10, revolution turntable rotation is driven by rotary motor 10；Beam mechanism, the arm support machine are installed on the revolution turntable 9
Structure end is installed by milling mechanism and grasping mechanism；The bottom end at 1 rear portion of load wagon is equipped with hydraulic support leg 8, the hydraulic pressure branch
Support leg 8, rotary motor 10, beam mechanism, milling mechanism and grasping mechanism are driven by hydraulic system, the hydraulic system connection
Control box 7.It repairs vehicle to sail to loading at new well lid, lift on new well lid to well lid transport case, open hydraulic support leg 8, support
Load wagon is played, rotary motor driving revolution turntable 9 rotates, and beam mechanism, milling mechanism is driven to rotate to need to hang at the well lid of load,
By adjusting arm support oil cylinder control milling mechanism and cover seat of manhole concentric, milling mechanism gripping arm oil cylinder is stretched according to cover seat of manhole size
It is long, so that gripping arm is stretched out, well seat is stuck in along side, reaches fixed matching status, in the coordination of revolution turntable and arm support
Under matching, new cover seat of manhole is hung and is loaded onto well lid transport case.
Beam mechanism includes arm support principal arm 11, arm support auxiliary 14, level-one oil cylinder 12, two-level oil cylinder 13,15 and of three-level oil cylinder
Milling feed cylinder 16, described 11 one end of arm support principal arm are fixed on by shaft on revolution turntable 9, and other end fixation passes through shaft
It is fixed on 14 middle part of arm support auxiliary；Described 12 one end of level-one oil cylinder is fixed on revolution turntable 9, and the other end is fixed on by shaft
11 middle part of arm support principal arm；One end of the two-level oil cylinder 13 is fixed on 11 middle part of arm support principal arm by shaft, and the other end is fixed on
One end of arm support auxiliary 14, the other end of the arm support auxiliary 14 are fixed on the middle part of milling feed cylinder 16 by shaft；Institute
The one end for stating three-level oil cylinder 15 is fixed on 14 middle part of arm support auxiliary by shaft, and the other end is fixed on milling into oil supply by shaft
One end of cylinder 16, the other end of the milling feed cylinder 16 fix milling mechanism；The level-one oil cylinder 12, two-level oil cylinder 13,
Three-level oil cylinder 15 and milling feed cylinder 16 connect hydraulic system respectively.Entire beam mechanism level-one oil cylinder 12, two-level oil cylinder 13,
The stretching motion of three-level oil cylinder 15 is completed to move arm support principal arm 11,14 position of arm support auxiliary, while 16 end of milling feed cylinder
Fixation cutter head is held to keep vertical, and then milling feed cylinder 16 is flexible, ensure movement of the cutterhead in vertical direction.
Milling mechanism includes at least milling motor 17, cutterhead 22 and milling-planing teeth 23, and the cutterhead 22 is fixed on beam mechanism
End, 22 top of cutterhead are equipped with milling motor 17, and the milling motor 17 drives cutterhead 22 to rotate by transmission mechanism, institute
22 bottom surface of cutterhead is stated equipped with milling-planing teeth 23, the milling motor 17 is connected to hydraulic system.Milling motor wherein in the present embodiment
17 matching connection drive sprockets 18, driven sprocket 19 are connect with 22 upper surface of cutterhead, the linkage driven sprocket 19 of drive sprocket 18, into
And realize linkage, band movable knife disc rotary work.Certainly other than chain drive, alternative solution can be the kind of drive of the present invention
Other linked manners such as gear drive.
Grasping mechanism includes at least gripping arm oil cylinder 20 and gripping arm 21, and the gripping arm 21 is at least pacified by two gripper mechanical chains
One end loaded on gripping arm oil cylinder 20, the other end of gripping arm oil cylinder 20 are fixed on beam mechanism end, and gripping arm oil cylinder stretches about 20
The gripper folding of gripping arm 21 is driven, the gripping arm oil cylinder 20 connects hydraulic system.The grasping mechanism is easily achieved, Er Qie
Many fields are applied to, and are mainly driven in the present embodiment by the telescopic rod of gripping arm oil cylinder 20 and are realized the function, convenient for whole control
System.
Further bituminous concrete case 2 includes at least the auger 3 set in babinet, and the auger 3 connects discharging motor 4,
The discharging motor 4 is connected to hydraulic system.In the present embodiment, 2 top setting door of bituminous concrete case, feed inlet and outlet are real
Now mixing, the purpose of input and output material.
A kind of automatic milling and planing system as shown in Figures 4 and 5, for the well lid to be controlled to repair vehicle, including control box 7 and
Power takeoff speed probe 71, cutterhead speed probe 72, voice module 73, the display mould being connect with the difference circuit of control box 7
Block 74 and microswitch 75, the cutterhead speed probe 72 are mounted on the rotating speed that cutterhead is measured in milling mechanism, the power taking
Device speed probe 71 is installed on the power takeoff of hydraulic system, installation positioner in the milling mechanism, on the locator
Microswitch 75 is installed.
When milling mechanism locator moves downward, matched with shabby well lid, the microswitch 75 mounted on locator upper end
It is contacted with ground, when reaching certain pressure, sends a signal to control box 7, control box 7 passes through HYDRAULIC CONTROL SYSTEM milling motor
17 work, then drive cutterhead rotation, and milling-planing teeth 23 starts milling well lid periphery bituminous paving, while power takeoff with desired speed
Speed probe 71 and cutterhead speed probe 72 can detect the rotating speed of power takeoff and the rotating speed of driven sprocket, numerical value display system
System can show numerical value by display module 74.During milling well lid, milling-planing teeth 23 follows cutterhead by the normal work of set rotating speed
Make, when the rotating speed that power takeoff speed probe and driven sprocket speed probe detect drops to certain numerical value, illustrate road
Face level has reached cement level, and control box 7 receives signal, then when judging rotating speed less than certain numerical value, on the one hand passes through
73 prompt system of voice module is prompted, and again without when receiving extraneous input signal then by hydraulic system fuel cut-off to
Milling motor 17 so that cutterhead 22 stops rotating, and stops milling and plane operation；When starting the transmission of 17 drive sprocket of milling motor, carry out
During milling and plane operation, speech prompting system can send out the first prompting sound, and operating personnel is prompted to pay attention to safe operation；When sensor is supervised
When measuring cutterhead milling rotating speed and dropping to a certain numerical value, control box 7 can control voice prompt system send out second of prompting sound, carry
Show whether operating personnel's milling mechanism continues milling and plane operation, when within a certain period of time, operating personnel do not pass through related key
It responds, then by hydraulic system fuel cut-off to milling motor 17 so that cutterhead stops rotating, and stops milling and plane operation, sends out at this time
Go out the third prompting sound, operating personnel is prompted to carry out next step operation.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (7)
1. a kind of well lid repairs vehicle, which is characterized in that including load wagon (1) and the bituminous concrete on load wagon
Case (2), well lid transport case (6), control box (7), beam mechanism, hydraulic support leg (8), cutterhead (22) and gripping arm (21), it is described
Load wagon (1) is equipped with bituminous concrete case (2), and disk of walking around is installed back in the well lid transport case (6) at load wagon (1) rear portion
(9), the revolution turntable (9) connects rotary motor (10), and revolution turntable rotation is driven by rotary motor (10)；The revolution turns
Beam mechanism, the beam mechanism end installation milling mechanism and grasping mechanism are installed on disk (9)；Load wagon (1) rear portion
Bottom end be equipped with hydraulic support leg (8), the hydraulic support leg (8), rotary motor (10), beam mechanism, milling mechanism and grab
Mechanism is taken to be driven by hydraulic system, the hydraulic system connection control box (7)；
Automatic milling and planing system is further included, for the well lid to be controlled to repair vehicle, the automatic plane milling system includes control box (7),
And power takeoff speed probe (71), cutterhead speed probe (72), the voice module being connect with control box (7) difference circuit
(73), display module (74) and microswitch (75), the cutterhead speed probe (72) measure knife in milling mechanism
The rotating speed of disk, the power takeoff speed probe (71) are installed on the power takeoff of hydraulic system, are installed in the milling mechanism
Locator, installation microswitch (75) on the locator.
2. a kind of well lid as described in claim 1 repairs vehicle, which is characterized in that the beam mechanism includes arm support principal arm
(11), arm support auxiliary (14), level-one oil cylinder (12), two-level oil cylinder (13), three-level oil cylinder (15) and milling feed cylinder (16), institute
It states arm support principal arm (11) one end to be fixed on revolution turntable (9) by shaft, the other end is fixed is fixed on arm support pair by shaft
In the middle part of arm (14)；Described level-one oil cylinder (12) one end is fixed on revolution turntable (9), and the other end is fixed on arm support master by shaft
In the middle part of arm (11)；One end of the two-level oil cylinder (13) is fixed on by shaft in the middle part of arm support principal arm (11), and the other end is fixed on
One end of arm support auxiliary (14), the other end of the arm support auxiliary (14) are fixed on by shaft in milling feed cylinder (16)
Portion；One end of the three-level oil cylinder (15) is fixed on by shaft in the middle part of arm support auxiliary (14), and the other end is fixed on by shaft
One end of milling feed cylinder (16), the other end of the milling feed cylinder (16) fix milling mechanism；The level-one oil cylinder
(12), two-level oil cylinder (13), three-level oil cylinder (15) and milling feed cylinder (16) connect hydraulic system respectively.
3. a kind of well lid as described in claim 1 repairs vehicle, which is characterized in that the milling mechanism includes at least milling motor
(17), cutterhead (22) and milling-planing teeth (23), the cutterhead (22) are fixed on beam mechanism end, and cutterhead (22) top is equipped with
Milling motor (17), the milling motor (17) drive cutterhead (22) to rotate by transmission mechanism, and cutterhead (22) bottom surface is set
There is milling-planing teeth (23), the milling motor (17) is connected to hydraulic system.
4. a kind of well lid as described in claim 1 repairs vehicle, which is characterized in that the grasping mechanism includes at least gripping arm oil cylinder
(20) one end of gripping arm oil cylinder (20) is at least installed on by two gripper mechanical chains, is grabbed with gripping arm (21), the gripping arm (21)
The other end of arm oil cylinder (20) is fixed on beam mechanism end, and gripping arm oil cylinder (20) stretches up and down drives the gripper of gripping arm (21) to open
It closes, the gripping arm oil cylinder (20) connects hydraulic system.
5. a kind of well lid as described in claim 1 repairs vehicle, which is characterized in that the bituminous concrete case (2) includes at least
The auger (3) set in babinet, auger (3) the connection discharging motor (4), the discharging motor (4) are connected to hydraulic system.
6. a kind of well lid as described in claim 1 repairs vehicle, which is characterized in that the microswitch (75) is in milling mechanism
Lower movement is contacted with ground when reaching certain pressure, sends a signal to control box (7), control box (7) control hydraulic system driving
Milling motor (17) works, and then cutterhead (22) is driven to rotate, while power takeoff speed probe (71) and cutterhead revolution speed sensing
The numerical value of device (72) passes through display module (74).
7. a kind of well lid as claimed in claim 6 repairs vehicle, which is characterized in that when power takeoff speed probe (71) and cutterhead
When the rotating speed that speed probe (72) detects drops to predetermined value, control box (7) control voice module (73) is prompted,
And when again without the input signal for receiving control box (7), control hydraulic system fuel cut-off gives milling motor (17) so that cutterhead
It stops rotating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510528769.5A CN105113379B (en) | 2015-08-25 | 2015-08-25 | A kind of well lid repairs vehicle and automatic milling and planing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510528769.5A CN105113379B (en) | 2015-08-25 | 2015-08-25 | A kind of well lid repairs vehicle and automatic milling and planing system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105113379A CN105113379A (en) | 2015-12-02 |
| CN105113379B true CN105113379B (en) | 2018-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510528769.5A Active CN105113379B (en) | 2015-08-25 | 2015-08-25 | A kind of well lid repairs vehicle and automatic milling and planing system |
Country Status (1)
| Country | Link |
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| CN (1) | CN105113379B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106671069A (en) * | 2016-12-02 | 2017-05-17 | 厦门通士达照明有限公司 | Automatic mechanical arm |
| CN108678025B (en) * | 2018-06-11 | 2020-01-31 | 秦泰 | inspection shaft lid second grade opening device for municipal works |
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| JP2008095495A (en) * | 2006-10-16 | 2008-04-24 | Desil Construction Co Ltd | Manhole cover removing machine |
| CN101392497A (en) * | 2007-09-19 | 2009-03-25 | 赵成旭 | Wellhead maintenance method and device thereof |
| CN103194958A (en) * | 2013-04-08 | 2013-07-10 | 中国重型汽车集团唐山市宏远专用汽车有限公司 | Method and car for rapidly repairing pavements and manhole covers |
| CN203160108U (en) * | 2013-04-08 | 2013-08-28 | 中国重型汽车集团唐山市宏远专用汽车有限公司 | Pavement and manhole cover rapid patching car |
| CN204238111U (en) * | 2014-10-24 | 2015-04-01 | 武汉悍路威科技发展有限公司 | Be applicable to the well lid cutting equipment of road maintenance |
| CN104562906A (en) * | 2014-12-30 | 2015-04-29 | 浙江联运环境工程有限公司 | Device and method for repairing manhole cover |
| CN204401431U (en) * | 2014-12-30 | 2015-06-17 | 浙江联运环境工程有限公司 | A kind of milling equipment for repairing inspection well cover |
| CN205100077U (en) * | 2015-08-25 | 2016-03-23 | 武汉市汉福专用车有限公司 | Car and automatic plane system of milling are restoreed to well lid |
-
2015
- 2015-08-25 CN CN201510528769.5A patent/CN105113379B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008095495A (en) * | 2006-10-16 | 2008-04-24 | Desil Construction Co Ltd | Manhole cover removing machine |
| CN101392497A (en) * | 2007-09-19 | 2009-03-25 | 赵成旭 | Wellhead maintenance method and device thereof |
| CN103194958A (en) * | 2013-04-08 | 2013-07-10 | 中国重型汽车集团唐山市宏远专用汽车有限公司 | Method and car for rapidly repairing pavements and manhole covers |
| CN203160108U (en) * | 2013-04-08 | 2013-08-28 | 中国重型汽车集团唐山市宏远专用汽车有限公司 | Pavement and manhole cover rapid patching car |
| CN204238111U (en) * | 2014-10-24 | 2015-04-01 | 武汉悍路威科技发展有限公司 | Be applicable to the well lid cutting equipment of road maintenance |
| CN104562906A (en) * | 2014-12-30 | 2015-04-29 | 浙江联运环境工程有限公司 | Device and method for repairing manhole cover |
| CN204401431U (en) * | 2014-12-30 | 2015-06-17 | 浙江联运环境工程有限公司 | A kind of milling equipment for repairing inspection well cover |
| CN205100077U (en) * | 2015-08-25 | 2016-03-23 | 武汉市汉福专用车有限公司 | Car and automatic plane system of milling are restoreed to well lid |
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| Publication number | Publication date |
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| CN105113379A (en) | 2015-12-02 |
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