CN109235220A - A kind of high efficiency cement pavement regenerating device and its working method - Google Patents
A kind of high efficiency cement pavement regenerating device and its working method Download PDFInfo
- Publication number
- CN109235220A CN109235220A CN201811088801.2A CN201811088801A CN109235220A CN 109235220 A CN109235220 A CN 109235220A CN 201811088801 A CN201811088801 A CN 201811088801A CN 109235220 A CN109235220 A CN 109235220A
- Authority
- CN
- China
- Prior art keywords
- knife
- cutter head
- high efficiency
- regenerating device
- milling rotor
- 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.)
- Pending
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
- E01C23/12—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 taking-up, tearing-up, or full-depth breaking-up paving, e.g. sett extractor
- E01C23/121—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 taking-up, tearing-up, or full-depth breaking-up paving, e.g. sett extractor with non-powered tools, e.g. rippers
-
- 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
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/02—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
- E01C19/10—Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic binders, e.g. with bitumen, with resins, i.e. producing mixtures or coating aggregates otherwise than by penetrating or surface dressing; Apparatus for premixing non-hydraulic mixtures prior to placing or for reconditioning salvaged non-hydraulic compositions
- E01C19/1004—Reconditioning or reprocessing bituminous mixtures, e.g. salvaged paving, fresh patching mixtures grown unserviceable; Recycling salvaged bituminous mixtures; Apparatus for the in-plant recycling thereof
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Road Repair (AREA)
Abstract
The invention discloses a kind of high efficiency cement pavement regenerating devices, including apparatus for work, the apparatus for work includes: lift arm, shaft, milling rotor, motor reducer and housing, the milling rotor includes the cement knife for being fixedly mounted on cylinder surface, and the cement knife includes knife bar, tool magazine and cutter head, and the knife bar spiral is mounted on roller, the tool magazine is fixedly welded on knife bar top, and the cutter head is detachably secured on tool magazine；The cutter head includes the point of a knife and tool post of integral type, and the point of a knife is cone, and the tool post is fixedly mounted on point of a knife bottom, and the tool post bottom end further includes fixed device；The fixed device includes the radial jack that the annular groove and/or through-going recess of tool post bottom end is arranged in.The cutter head of milling rotor in the present invention uses a variety of connection types, facilitates the disassembly of cutter head, and cutter head uses rotation mode counterclockwise, and advance resistance becomes smaller, and improves construction efficiency.
Description
Technical field
The present invention relates to building machinery technical fields, more particularly to a kind of high efficiency cement pavement regenerating device and its work
Method.
Background technique
Cement pavement passes through the case where rolling repeatedly, often will appear cracking, collapse of heavy-duty vehicle.To this road surface into
It is all often that the cement pavement of cracking is broken by bulk cement block using hydraulic hammer when row is repaired, broken cement block can be with
It is broken into rubble using fixed crusher to recycle, this broken Land use systems transportation cost is high, the period is long.
The build on road surface is carried out using cement pavement regenerating device, former milling rotor mostly uses the working method of upmilling, regenerates
Machine tire on the drive wheels is advancing when driving, and resistance is big；When encountering bad weather, regenerating device tyre slip does not advance.
Summary of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the present invention provides a kind of high efficiency cement pavement regenerating device and its works
Make method.
The technical scheme adopted by the invention is that: a kind of high efficiency cement pavement regenerating device, including apparatus for work, the work
Industry device includes: lift arm, is connected with elevating ram, to go up and down milling rotor；Shaft is arranged between lift arm, and
And it is connected with car body；Milling rotor, is fixedly mounted between lift arm；Motor reducer, fixing end are connected with lift arm
It connects, and its round end is connected with milling rotor；Housing is set to above milling rotor, is fixedly connected with rack；The milling
Digging rotor includes the cement knife for being fixedly mounted on cylinder surface, and the cement knife includes knife bar, tool magazine and cutter head, the knife bar spiral shell
Rotation is mounted on roller, and the tool magazine is fixedly welded on knife bar top, and the cutter head is detachably secured on tool magazine；The cutter head
Point of a knife and tool post including integral type, the point of a knife are cone, and the tool post is fixedly mounted on point of a knife bottom, the tool post bottom
End further includes fixed device；The fixed device includes the radial direction that the annular groove and/or through-going recess of tool post bottom end is arranged in
Jack.
Further, the tool post is fastened on annular groove by spring card with tool magazine and is mutually fixed.
Further, the tool post is connected in jack by positioning bolt spiral with tool magazine and is mutually fixed.
Further, the knife damaged surface is equipped with clamping close device.
Further, the tool magazine is equipped with cylindrical hollow, it is described it is hollow axially penetrate through tool magazine, and tool magazine it is hollow in
Portion is matched with the clamping close device of knife damaged surface.
Further, the cutter head is at an acute angle with cylinder surface cutter head junction tangent line counterclockwise.
Further, the cement knife includes the middle knife and circumferential array that are staggered in cylinder surface at roller both ends
Side knife.
Further, the angle a of end face of the axis of the side knife relative to roller is 15-20 °, the axis of the middle knife
The angle b of end face relative to roller is 40-50 °.
It further, is 130-160mm along the interval c of roller axial direction between the laterally adjacent middle knife.
Further, a kind of working method of high efficiency cement pavement regenerating device, cement pavement regenerating device are mentioned by engine
For power, drives lift arm to reach the grinding depth of needs to go up and down milling rotor by elevating ram, drives hydraulic oil pump,
To drive milling rotor to rotate, regenerating device hoofing part tire direction of rotation and milling turn hydraulic oil pump drive motor speed reducer
The direction of rotation of son is consistent, and milling rotor cutter head is crushed ground, and making arrives again for broken road block mixing rubble, cement powder and water
The road surface of milling, it is subsequent that steamroller is made to build road surface.
Compared with prior art, the beneficial effects of the present invention are: the cutter head of the milling rotor in the present invention uses a variety of companies
Mode is connect, the cutter head of different sizes, specification can be replaced according to different road surfaces, is replaced convenient and efficient；Cutter head is using rotation counterclockwise
Turn mode, the advance resistance of car becomes smaller, material particle size after the angle of cutter head arrangement position and cutter head setting makes machine broken
Small, broken material can be utilized with in-place regeneration, add rubble.It can be regenerated as new roadbed after cement powder and water, simplify
Construction link improves the construction efficiency of cement pavement maintenance, and former roadbed material can reuse on the spot, improves construction
Efficiency reduces construction cost, protects environment.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of high efficiency cement pavement regenerating device of the present invention；
Fig. 2 is the top view of milling rotor in the present invention；
Fig. 3 is that schematic diagram is arranged in cement nose angle degree in the present invention；
Fig. 4 is the structural schematic diagram of cement knife in the present invention；
Fig. 5 is the structural schematic diagram of cutter head in the present invention.
Wherein: 1- lift arm, 2- elevating ram, 3- milling rotor, 4- shaft, 5- motor reducer, 6- housing, 31- rolling
Cylinder, 32- cement knife, knife in 32-a-, the side 32-b- knife, 321- knife bar, 322- tool magazine, 323- cutter head, 3231- point of a knife, 3232- knife
Column, the fixed device of 32321-, 32322- clamping close device, 323211- annular groove, 323212- jack.
Specific embodiment
In order to deepen the understanding of the present invention, present invention will be further explained below with reference to the attached drawings and examples, the implementation
Example for explaining only the invention, does not constitute protection scope of the present invention and limits.
Embodiment 1:
As shown in Figure 1, Figure 4 and Figure 5, a kind of high efficiency cement pavement regenerating device, including apparatus for work, the apparatus for work packet
Include: lift arm 1 is connected with elevating ram 2, to go up and down milling rotor 3；Shaft 4 is arranged between lift arm 1, and with
Car body is connected；Milling rotor 3 is fixedly mounted between lift arm 1；Motor reducer 5 is set to 1 outside of lift arm, and
It is connected with milling rotor 3；Housing 6 is set to 3 top of milling rotor, is fixedly connected with rack；
The milling rotor 3 includes being fixedly mounted on the cement knife 32 on 31 surface of roller, the cement knife 32 include knife bar 321,
Tool magazine 322 and cutter head 323,321 spiral of knife bar are mounted on roller 31, and the tool magazine 322 is fixedly welded on the top of knife bar 321
End, the cutter head 323 are detachably secured on tool magazine 322；The cutter head 323 includes the point of a knife 3231 and tool post of integral type
3232, the point of a knife 3231 is cone, and the tool post 3232 is fixedly mounted on 3231 bottom of point of a knife, 3232 bottom end of tool post
It further include fixed device 32321；The fixed device 32321 include be arranged in tool post bottom end annular groove 323211 and/or
The radial jack 323212 of through-going recess.
As shown in Figures 2 and 3, the axis of side knife 32-b is 15 ° relative to the angle a of the end face of roller 31, middle knife 32-a
Axis relative to the angle b of the end face of roller 31 be 40 °, in this angular interval, when milling 3 rotary operation of rotor, knife
First 323 is most strong for the breaking capacity of earth's surface, and the interval c between laterally adjacent middle knife 32-a along 31 axial direction of roller is 140mm,
Even distribution cutter head 323 enables 323 road pavement of cutter head to concentrate and is crushed.
In the above-described embodiments, tool post 3232 is mutually fixed with tool magazine 322 by spring card, borrows external tool for spring
Card is engaged on annular groove 323211, and cutter head 323 is fixed relative to tool magazine 322；When replacing cutter head 323, bullet is directly dismantled
Spring card, it is convenient, fast；Roller 31 is connected with motor reducer 5, controls the speed of rotation of roller 31.
Embodiment 2:
As shown in Figure 1, Figure 4 and Figure 5, a kind of high efficiency cement pavement regenerating device, including apparatus for work, the apparatus for work packet
Include: lift arm 1 is connected with elevating ram 2, to go up and down milling rotor 3；Shaft 4 is arranged between lift arm 1, and with
Car body is connected；Milling rotor 3 is fixedly mounted between lift arm 1；Motor reducer 5 is set to 1 outside of lift arm, and
It is connected with milling rotor 3；Housing 6 is set to 3 top of milling rotor, is fixedly connected with rack；
The milling rotor 3 includes being fixedly mounted on the cement knife 32 on 31 surface of roller, the cement knife 32 include knife bar 321,
Tool magazine 322 and cutter head 323,321 spiral of knife bar are mounted on roller 31, and the tool magazine 322 is fixedly welded on the top of knife bar 321
End, the cutter head 323 are detachably secured on tool magazine 322；The cutter head 323 includes the point of a knife 3231 and tool post of integral type
3232, the point of a knife 3231 is cone, and the tool post 3232 is fixedly mounted on 3231 bottom of point of a knife, 3232 bottom end of tool post
It further include fixed device 32321；The fixed device 32321 include be arranged in tool post bottom end annular groove 323211 and/or
The radial jack 323212 of through-going recess.
As shown in Figures 2 and 3, the axis of side knife 32-b is 20 ° relative to the angle a of the end face of roller 31, middle knife 32-a
Axis relative to the angle b of the end face of roller 31 be 50 °, in this angular interval, when milling 3 rotary operation of rotor, knife
First 323 is most strong for the breaking capacity of earth's surface, and the interval c between adjacent middle knife 32-a along 31 axial direction of roller is 150mm, uniformly divides
Cloth cutter head 323 enables 323 road pavement of cutter head to concentrate and is crushed.
In the above-described embodiments, tool post 3232 is mutually fixed with tool magazine 322 by positioning bolt, by positioning bolt and jack spiral shell
It tethers and connects, cutter head 323 is fixed relative to tool magazine 322；When replacing cutter head 323, positioning bolt is directly dismantled, it is convenient, fast；Roller
31 are connected with motor reducer 5, control the speed of rotation of roller 31.
In the above-described embodiments, a kind of working method of high efficiency cement pavement regenerating device, cement pavement regenerating device is by sending out
Motivation provides power, drives lift arm 1 to reach the grinding depth of needs to go up and down milling rotor 3 by elevating ram 2, drives
Hydraulic oil pump, hydraulic oil pump drive motor speed reducer 5 is to drive milling rotor 3 to rotate, the rotation of regenerating device hoofing part tire
Direction is consistent with the direction of rotation of milling rotor 3, and 3 cutter head 322 of milling rotor is crushed ground, broken road block mixing rubble, water
Making is subsequent that steamroller is made to build road surface to the road surface of milling again for mud powder and water.
What the embodiment of the present invention was announced is preferred embodiment, and however, it is not limited to this, the ordinary skill people of this field
Member, easily according to above-described embodiment, understands spirit of the invention, and make different amplification and variation, but as long as not departing from this
The spirit of invention, all within the scope of the present invention.
Claims (10)
1. a kind of high efficiency cement pavement regenerating device, including apparatus for work, it is characterised in that: the apparatus for work includes:
Lift arm is connected with elevating ram, to go up and down milling rotor；
Shaft, setting are connected between lift arm, and with car body；
Milling rotor, is fixedly mounted between lift arm；
Motor reducer, fixing end are connected with lift arm, and its round end is connected with milling rotor；
Housing is set to above milling rotor, is fixedly connected with rack；
The milling rotor includes the cement knife for being fixedly mounted on cylinder surface, and the cement knife includes knife bar, tool magazine and cutter head,
The knife bar spiral is mounted on roller, and the tool magazine is fixedly welded on knife bar top, and the cutter head is detachably secured to tool magazine
On；
The cutter head includes the point of a knife and tool post of integral type, and the point of a knife is cone, and the tool post is fixedly mounted on point of a knife bottom
Portion, the tool post bottom end further include fixed device；
The fixed device includes the radial jack that the annular groove and/or through-going recess of tool post bottom end is arranged in.
2. high efficiency cement pavement regenerating device according to claim 1, it is characterised in that: the tool post and tool magazine pass through bullet
Spring card is fastened on annular groove and mutually fixes.
3. high efficiency cement pavement regenerating device according to claim 1, it is characterised in that: the tool post and tool magazine are by determining
Position bolt spiral, which is connected in jack, mutually fixes.
4. high efficiency cement pavement regenerating device according to claim 1, it is characterised in that: the tool post surface is equipped with engaging
Device.
5. high efficiency cement pavement regenerating device according to claim 1 or 4, it is characterised in that: the tool magazine is equipped with cylinder
Body is hollow, it is described it is hollow axially penetrate through tool magazine, and the hollow inside of tool magazine is matched with the clamping close device on tool post surface.
6. high efficiency cement pavement regenerating device according to claim 1, it is characterised in that: the cutter head is counterclockwise
It is at an acute angle with cylinder surface cutter head junction tangent line.
7. high efficiency cement pavement regenerating device according to claim 1, it is characterised in that: the cement knife includes staggeredly setting
Set cylinder surface middle knife and circumferential array roller both ends side knife.
8. high efficiency cement pavement regenerating device according to claim 7, it is characterised in that: the axis of the side knife relative to
The angle a of the end face of roller is 15-20 °, and the angle b of end face of the axis of the middle knife relative to roller is 40-50 °.
9. high efficiency cement pavement regenerating device according to claim 7, it is characterised in that: between the laterally adjacent middle knife
Interval c along roller axial direction is 130-160mm.
10. a kind of working method of high efficiency cement pavement regenerating device, it is characterised in that: cement pavement regenerating device is mentioned by engine
For power, drives lift arm to reach the grinding depth of needs to go up and down milling rotor by elevating ram, drives hydraulic oil pump,
To drive milling rotor to rotate, regenerating device hoofing part tire direction of rotation and milling turn hydraulic oil pump drive motor speed reducer
The direction of rotation of son is consistent, and milling rotor cutter head is crushed road surface, and the rubble generated after pavement breaking, aggregate chips can be with cement and water just
Then ground uniform mixing makes steamroller form new roadbed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811088801.2A CN109235220A (en) | 2018-09-18 | 2018-09-18 | A kind of high efficiency cement pavement regenerating device and its working method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811088801.2A CN109235220A (en) | 2018-09-18 | 2018-09-18 | A kind of high efficiency cement pavement regenerating device and its working method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109235220A true CN109235220A (en) | 2019-01-18 |
Family
ID=65059189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811088801.2A Pending CN109235220A (en) | 2018-09-18 | 2018-09-18 | A kind of high efficiency cement pavement regenerating device and its working method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109235220A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113338133A (en) * | 2021-04-28 | 2021-09-03 | 湖南省交建工程集团有限公司 | Cold recycling machine for asphalt road construction |
| CN116516779A (en) * | 2023-06-01 | 2023-08-01 | 徐州锐马重工机械有限公司 | Construction method for in-situ recycled pavement structure base course of old cement concrete pavement |
| CN116516780A (en) * | 2023-06-01 | 2023-08-01 | 徐州锐马重工机械有限公司 | In-situ regeneration aggregate system for old cement concrete pavement |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2372361Y (en) * | 1999-06-07 | 2000-04-05 | 陕西秦川畅通公路机械开发有限公司 | Milling-planing device for asphalt paving |
| CN201424622Y (en) * | 2009-06-10 | 2010-03-17 | 王木义 | Structural improvement of road planing cutter |
| CN102912716A (en) * | 2011-08-04 | 2013-02-06 | 宝马格有限公司 | Milling rotor for processing soil material and soil cultivation machine with such a rotor |
| CN203729186U (en) * | 2014-02-27 | 2014-07-23 | 徐州昂拓机械科技有限公司 | Special milling rotor for fine milling on pavement milling machine |
| CN203768777U (en) * | 2014-04-02 | 2014-08-13 | 西安宏大交通科技有限公司 | Cutting tool for milling rotor |
| CN204530409U (en) * | 2015-03-24 | 2015-08-05 | 西安宏大交通科技有限公司 | For the finish-milling plane rotor of pavement milling machine |
| CN105648884A (en) * | 2015-09-02 | 2016-06-08 | 西安宏大交通科技有限公司 | Milling machine tool and tool apron thereof |
| CN105887638A (en) * | 2016-05-14 | 2016-08-24 | 湘潭大学 | Milling machine cutting pick |
| US20170362783A1 (en) * | 2016-06-16 | 2017-12-21 | Asphalt Zipper, Inc. | Asphalt milling attachment with adjustable baffle and secure attachment |
| CN207405458U (en) * | 2017-06-22 | 2018-05-25 | 徐州昂拓机械科技有限公司 | The precise and tiny milling rotor of three spin lines used on pavement milling machine |
-
2018
- 2018-09-18 CN CN201811088801.2A patent/CN109235220A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2372361Y (en) * | 1999-06-07 | 2000-04-05 | 陕西秦川畅通公路机械开发有限公司 | Milling-planing device for asphalt paving |
| CN201424622Y (en) * | 2009-06-10 | 2010-03-17 | 王木义 | Structural improvement of road planing cutter |
| CN102912716A (en) * | 2011-08-04 | 2013-02-06 | 宝马格有限公司 | Milling rotor for processing soil material and soil cultivation machine with such a rotor |
| CN203729186U (en) * | 2014-02-27 | 2014-07-23 | 徐州昂拓机械科技有限公司 | Special milling rotor for fine milling on pavement milling machine |
| CN203768777U (en) * | 2014-04-02 | 2014-08-13 | 西安宏大交通科技有限公司 | Cutting tool for milling rotor |
| CN204530409U (en) * | 2015-03-24 | 2015-08-05 | 西安宏大交通科技有限公司 | For the finish-milling plane rotor of pavement milling machine |
| CN105648884A (en) * | 2015-09-02 | 2016-06-08 | 西安宏大交通科技有限公司 | Milling machine tool and tool apron thereof |
| CN105887638A (en) * | 2016-05-14 | 2016-08-24 | 湘潭大学 | Milling machine cutting pick |
| US20170362783A1 (en) * | 2016-06-16 | 2017-12-21 | Asphalt Zipper, Inc. | Asphalt milling attachment with adjustable baffle and secure attachment |
| CN207405458U (en) * | 2017-06-22 | 2018-05-25 | 徐州昂拓机械科技有限公司 | The precise and tiny milling rotor of three spin lines used on pavement milling machine |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113338133A (en) * | 2021-04-28 | 2021-09-03 | 湖南省交建工程集团有限公司 | Cold recycling machine for asphalt road construction |
| CN116516779A (en) * | 2023-06-01 | 2023-08-01 | 徐州锐马重工机械有限公司 | Construction method for in-situ recycled pavement structure base course of old cement concrete pavement |
| CN116516780A (en) * | 2023-06-01 | 2023-08-01 | 徐州锐马重工机械有限公司 | In-situ regeneration aggregate system for old cement concrete pavement |
| CN116516779B (en) * | 2023-06-01 | 2023-12-19 | 徐州锐马重工机械有限公司 | Construction method for in-situ recycled pavement structure base course of old cement concrete pavement |
| CN116516780B (en) * | 2023-06-01 | 2024-02-06 | 徐州锐马重工机械有限公司 | In-situ regeneration aggregate system for old cement concrete pavement |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109235220A (en) | A kind of high efficiency cement pavement regenerating device and its working method | |
| CN102121350B (en) | Impulse type hydraulic rock drill | |
| CN201730127U (en) | Bent arm rotation moving type stone crusher | |
| CN107601393A (en) | A kind of cast case turnover fixture | |
| US6033031A (en) | Milling machine with vibrating mechanism and rotary drum | |
| CN111005281B (en) | Highway pavement construction equipment and highway pavement construction method realized by same | |
| CN107695665A (en) | Engineering loader boss bolt compresses locking device | |
| CN101509225A (en) | Planing mill for recycling pavement | |
| CN201141114Y (en) | Miniature pedrail type pavement planning mill | |
| CN2372360Y (en) | Multifunctional maintenance carriage for asphalt paving | |
| CN110067570A (en) | A kind of slurry pipe-jacking machine of wide adaptation range | |
| CN103161187A (en) | Bulldozer and earth-loosening device thereof | |
| CN204039892U (en) | A kind of asphalt road plane milling machine | |
| CN201730128U (en) | Small type movable stone crusher | |
| CN102011363B (en) | Blade for bituminous pavement milling machine and grooving machine | |
| CN204039891U (en) | A kind of milling machine | |
| CN110374030B (en) | Reinforced anti-collision guardrail structure for highway bend, construction machine and process | |
| CN210738562U (en) | Firm shovel plate structure of coal mine heading equipment machinery | |
| RU2055184C1 (en) | Working member of device for breaking of mineral media and artificial materials | |
| CN215888233U (en) | Low-clearance multifunctional pile machine | |
| CN203238523U (en) | Traction type curbstone sliding formwork machine | |
| CN206351057U (en) | A kind of integrated machine head of mining industry stone crusher | |
| CN211340346U (en) | Device for grooving road surface by water cutting | |
| CN203821211U (en) | Hand-push type bush hammer | |
| CN106437768A (en) | Concrete pump with vibration of hopper fence driven by cam |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190118 |
|
| RJ01 | Rejection of invention patent application after publication |