CN108043857A - A kind of municipal refuse fills device - Google Patents
A kind of municipal refuse fills device Download PDFInfo
- Publication number
- CN108043857A CN108043857A CN201711388015.XA CN201711388015A CN108043857A CN 108043857 A CN108043857 A CN 108043857A CN 201711388015 A CN201711388015 A CN 201711388015A CN 108043857 A CN108043857 A CN 108043857A
- Authority
- CN
- China
- Prior art keywords
- chamber
- rack
- turn
- tail end
- wall
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B1/00—Dumping solid waste
- B09B1/004—Covering of dumping sites
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of municipal refuses to fill device,Including filling frame,The rack being arranged in the landfill frame that can be slided up and down,The rack inner roof wall is equipped with hydraulic device,The hydraulic stem of the hydraulic device is fixedly connected with the frame top,The landfill frame bottom is equipped with idler wheel,It is provided in the rack and slides chamber,First turn of chamber is provided in the rack slided on the left of chamber,Second turn of chamber is provided in the rack slided on the right side of chamber,Described slide slides cooperation and is equipped with sliding block in chamber,Cooperation is equipped with screw rod in the sliding block,The screw rod left part extend tail end with it is described slide chamber left end wall and be rotatably assorted be connected,The screw rod right part extends tail end and is connected with the first driving machine,In the first driving machine outer surface fixed installation and the frame inner wall,The second driving machine is installed in the sliding block of the screw rod upper end；The configuration of the present invention is simple, it is easy to operate.
Description
Technical field
The present invention relates to garbage loading embeading technical fields, are specifically a kind of municipal refuse landfill device.
Background technology
With being on the increase for domestic waste, some degradable waste lumps need to carry out rubbish in appointed place
Landfill operation, needs to carry out operation of digging pit during landfill, and due in general ground hardness soil it is more, generally require to soil into
Capable fragmentation procedure, while need after garbage loading embeading to carry out earthing tamping operation, it is existing in garbage loading embeading device usually only
Can carry out single broken or earthing tamping operation, it is impossible to realize integration operation, so as to add equipment purchase equipment and
Reduce work efficiency.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of municipal refuse landfill device, can solve above-mentioned present
The problem of in technology.
The present invention is achieved through the following technical solutions：A kind of municipal refuse landfill device of the present invention, including filling out
The rack being arranged in the landfill frame that bury frame, can slide up and down, the rack inner roof wall are equipped with hydraulic device, the hydraulic pressure
The hydraulic stem of device is fixedly connected with the frame top, and the landfill frame bottom is equipped with idler wheel, and cunning is provided in the rack
An actor's rendering of an operatic tune is provided with first turn of chamber in the rack slided on the left of chamber, is set in the rack slided on the right side of chamber
Have second turn of chamber, described slide slides cooperation and is equipped with sliding block in chamber, in the sliding block cooperation screw rod is installed, it is described
Screw rod left part extend tail end with it is described slide chamber left end wall and be rotatably assorted be connected, the screw rod right part extension tail end and first
Driving machine connects, the first driving machine outer surface be fixedly mounted in the frame inner wall, the screw rod upper end it is described
Second driving machine is installed, tail end is equipped with the first spline rod, second driving on the left of second driving machine in sliding block
Tail end is equipped with the second spline rod on the right side of machine, and be rotatably assorted peace in the rack slided between chamber and first turn of chamber
Equipped with first rotating shaft, the right side is provided with the first spline, the first rotating shaft equipped with port in inner wall on the right side of the first rotating shaft
Left side extends tail end and is installed with the first eccentric wheel, and first eccentric wheel is fitted in first turn of chamber, described
It is additionally provided in first turn of chamber and covers structure with the flat of first eccentric wheel mating connection, second turn of chamber slides chamber with described
Between the rack in be rotatably assorted the second shaft be installed, port is equipped in the second shaft inner left wall towards left setting
There is the second spline, the second shaft right side extension tail end is rotatably assorted with inner wall on the right side of second turn of chamber to be connected, described
The second shaft outer surface of second turn of intracavitary is installed with the first taper cone pulley, and described on the right side of first taper cone pulley
Two shaft outer surfaces are also installed with the second eccentric wheel, are connected with and connect in the rack on the downside of second eccentric wheel
Link structure, on the downside of second turn of chamber in be additionally provided with the second taper cone pulley being connected with first taper cone pulley, described the
Crushed stone is connected in the rack on the downside of two taper cone pulleies.
Preferably technical solution, the flat structure of covering include be arranged in the bottom of the frame end face described first
Turn the groove on the downside of chamber, sliding cooperation in the rack between the groove and first turn of chamber is equipped with push strut, institute
It states push strut bottom extension tail end and is installed with flat cladding plate, extending tail end at the top of the push strut is installed with connected plate,
The connected plate slides mating connection with first turn of chamber and is connected with first eccentric wheel, the connected plate bottom
The first tension spring is connected in first turn of chamber at left and right sides of the push strut.
Preferably technical solution, the crushed stone include being arranged on the empty slot on the right side of the rack in lower end wall,
It slides to be connected in the empty slot and slides set, described slide is rotatably assorted in set inner wall and is equipped with successive chunk, described to connect
Even block lower face is installed with rubble head, and the successive chunk middle port is provided with the 3rd spline, the 3rd flower upward
Cooperation is equipped with the 3rd spline rod in keyway, and the 3rd spline rod immediately below second taper cone pulley with being fixedly connected.
Preferably technical solution, the structure in succession include being arranged in the rack of the empty slot right-hand end
Guide groove slides cooperation in the guide groove and is equipped with guide pad, and the guide groove leads to setting and the right side with second turn of chamber
Side wall protrudes from second turn of chamber right side wall, so as to form a ladder, prevents the guide pad from entering in second turn of chamber,
Be provided in the rack between the empty slot and the guide groove and lead to slot, it is described lead to slided in slot cooperation be equipped with it is solid
Even block, the connected block left end face with it is described slide set and be fixedly connected with its right end face be fixedly connected with the guide pad, it is described
Lead to described on the downside of connected block and the guide pad and the second tension spring is connected in slot and guide groove.
The beneficial effects of the invention are as follows：The configuration of the present invention is simple, it is easy to operate, chamber is slided by being provided in rack,
It slides and first turn of chamber is provided in the rack on the left of chamber, slide and second turn of chamber is provided in the rack on the right side of chamber, slide sliding in chamber
Row cooperation is equipped with sliding block, coordinates in sliding block and is equipped with screw rod, and screw rod left part extends tail end and slides chamber left end wall
Be rotatably assorted connection, and screw rod right part extends tail end and is connected with the first driving machine, and the first driving machine outer surface is fixedly mounted and machine
In frame inner wall, the second driving machine is installed in the sliding block of screw rod upper end, tail end is equipped with the first flower on the left of the second driving machine
Key lever, the second driving machine right side tail end are equipped with the second spline rod, slide and be rotatably assorted in the rack between chamber and first turn of chamber
First rotating shaft is installed, the interior port that is equipped with of inner wall is provided with the first spline towards the right side on the right side of first rotating shaft, prolongs on the left of first rotating shaft
Long tail end is installed with the first eccentric wheel, and the first eccentric wheel is fitted in first turn of chamber, is additionally provided in first turn of chamber
With the first eccentric wheel be connected it is flat cover structure, second turn of chamber and slide to be rotatably assorted in rack between chamber and be equipped with second
Shaft is equipped with port in the second shaft inner left wall and a left side is provided with the second spline, extends tail end and the on the right side of the second shaft
Inner walls are rotatably assorted connection on the right side of two turns of chambers, and the second shaft outer surface of second turn of intracavitary is installed with the first taper cone pulley, the
The second shaft outer surface on the right side of one taper cone pulley is also installed with the second eccentric wheel, coordinates in the rack on the downside of the second eccentric wheel
Structure in succession is connected with, the second taper cone pulley being connected with the first taper cone pulley, the second cone are additionally provided in second turn of chamber downside
Crushed stone is connected in rack on the downside of shape wheel, it is flat so as to be realized when being needed after garbage loading embeading and putting down and cover Ramming operation
Cladding plate flexible work up and down automatically, when needing broken work, can realize that rubble head rotates broken work, Yi Jishi automatically
Existing rubble head up and down reciprocatingly crushes work automatically, realizes automation control, reduces manpower and uses.
Description of the drawings
For ease of explanation, the present invention is described in detail by following specific embodiment and attached drawing.
A kind of municipal refuse that Fig. 1 is the present invention fills device overall structure diagram；
Fig. 2 is the machine frame inside structure diagram of the present invention；
Fig. 3 is the enlarged structure schematic diagram of the crushed stone of the present invention.
Specific embodiment
As shown in Figure 1-Figure 3, a kind of municipal refuse landfill device of the invention, including landfill frame 7, setting of can sliding up and down
The rack 8 being placed in the landfill frame 7,8 inner roof wall of rack are equipped with hydraulic device 71, the hydraulic stem of the hydraulic device 71
72 are fixedly connected with 8 top of rack, so as to realize the retractable operation of the rack 8 by hydraulic device 71, can facilitate
Mobile to carry, 7 bottom of the landfill frame is equipped with idler wheel 73, is provided in the rack 8 and slides chamber 810, described to slide 810 left side of chamber
First turn of chamber 806 is provided in the rack 8 of side, second turn of chamber is provided in the rack 8 for sliding 810 right side of chamber
822, described slide slides cooperation and is equipped with sliding block 812 in chamber 810, in the sliding block 812 cooperation screw rod is installed
815,815 left part of screw rod extend tail end with it is described slide 810 left end wall of chamber and be rotatably assorted be connected, the screw rod 815
Right part extends tail end and is connected with the first driving machine 817, in 817 outer surface of the first driving machine fixed installation and the rack 8
In wall, the second driving machine 816, second driving machine 816 are installed in the sliding block 812 of 815 upper end of screw rod
Left side tail end is equipped with the first spline rod 811, and the 816 right side tail end of the second driving machine is equipped with the second spline rod 818, described
It slides to be rotatably assorted in the rack 8 between chamber 810 and first turn of chamber 806 and first rotating shaft 808 is installed, described first
Port is equipped in 808 right side inner wall of shaft, the right side is provided with the first spline 809,808 left side of first rotating shaft extends tail end
The first eccentric wheel 807 is installed with, first eccentric wheel 807 is fitted in first turn of chamber 806, and described first
Turn to be additionally provided in chamber 806 with first eccentric wheel 807 be connected it is flat cover structure, second turn of chamber 822 with it is described
It slides to be rotatably assorted in the rack 8 between chamber 810 and second shaft 814 is installed, 814 inner left wall of the second shaft is set
There is port that a left side is provided with the second spline 813,814 right side of the second shaft extends tail end and second turn of chamber 822 is right
Side inner wall is rotatably assorted connection, and 814 outer surface of the second shaft in second turn of chamber 822 is installed with the first taper
Wheel 821,814 outer surface of the second shaft on 821 right side of the first taper cone pulley are also installed with the second eccentric wheel 823,
Structure in succession is connected in the rack 8 of second eccentric wheel, 823 downside, is gone back in second turn of chamber, 822 downside
Be provided with the second taper cone pulley 824 being connected with first taper cone pulley 821, second taper cone pulley, 824 downside it is described
Crushed stone is connected in rack 8.
Valuably, the flat structure of covering includes the first turn of chamber being arranged in 8 bottom end face of rack, 806 downside
Groove 801, slide cooperation in the rack 8 between the groove 801 and first turn of chamber 806 and push strut be installed
803,803 bottom of push strut extends tail end and is installed with flat cladding plate 802, and 803 top of push strut extends tail end and consolidates
Dingan County is equipped with the plate 805 that is connected, the connected plate 805 and first turn of chamber 806 slide mating connection and with it is described first eccentric
Wheel 807 is connected, and connected 805 bottom of plate is located in first turn of chamber 806 of 803 left and right sides of push strut and matches somebody with somebody
Conjunction is connected with the first tension spring 804, so as to fulfill the automatic work flexible up and down of the flat cladding plate 802, and then after realization garbage loading embeading
The flat of soil covers tamping operation.
Valuably, the crushed stone includes the empty slot 830 being arranged in the 8 right side lower end wall of rack, the empty slot
It slides to be connected in 830 and slides set 833, described slide is rotatably assorted in 833 inner walls of set and is equipped with successive chunk 834, institute
It states 834 lower face of successive chunk and is installed with rubble head 835,834 middle port of successive chunk is provided with the 3rd spline upward
Slot 832, in the 3rd spline 832 cooperation the 3rd spline rod 831, the 3rd spline rod 831 and described second are installed
It is fixedly connected immediately below taper cone pulley 824, rotates broken work automatically so as to fulfill the rubble head 835.
Valuably, the structure in succession includes the guide groove being arranged in the rack 8 of 830 right-hand end of empty slot
827, cooperation being slided in the guide groove 827, guide pad 826 being installed, the guide groove 827 leads to second turn of chamber 822
It sets and right side wall protrudes from second turn of chamber, 822 right side wall, so as to form a ladder, prevent the guide pad 826 from entering
In second turn of chamber 88, it is provided in the rack 8 between the empty slot 830 and the guide groove 827 and leads to slot 829,
It is described lead to cooperation is slided in slot 829 connected block 825 is installed, connected 825 left end face of block with described to slide set 833 solid
Surely connection its right end face is fixedly connected with the guide pad 826, described on the downside of the connected block 825 and the guide pad 826
Lead to and the second tension spring 828 is connected in slot 829 and guide groove 827, it is automatic past up and down so as to fulfill the rubble head 835
Work is crushed again, realizes automation control, is reduced manpower and is used.
During original state, sliding block 812, which is located at, slides 810 center position of chamber, at this point, the first spline rod 811 is not with the
One spline 809 contacts, and the second spline rod 818 is not contacted with the second spline 813.
When needs are flat covers Ramming operation, by driving the second driving machine 817 that the first spline rod 811 is made to enter the first spline
In slot 809, start the first driving machine 816, the driving of the first driving machine 816 drives the first spline rod 811 to rotate and drives first rotating shaft
808 rotate, and so as to which the first eccentric wheel 807 is into rotary state, is driven and are connected under plate 805 by the rotation of the first eccentric wheel 807
Pressure and the upward top pressure by the first tension spring 804 so that the plate 805 that is connected up and down reciprocatingly works, are filled out so as to fulfill to rubbish
It buries the flat of rear soil and covers tamping operation.
When needing broken work, by driving the second driving machine 817 that the second spline rod 818 is made to enter the second spline
In 813, start the first driving machine 816, the driving of the first driving machine 816 drives the second spline rod 818 to rotate and drives the second shaft 814
It rotates, so as to which the second eccentric wheel 823 and the first taper cone pulley 821 are into rotary state, at this point, the first taper cone pulley 821 drives the
Two taper cone pulleies 824 rotate, and the second taper cone pulley 824 drives the 3rd spline rod 831 to rotate, and the 3rd spline rod 831 drives successive chunk 834
It rotating, successive chunk 834 drives rubble head 835 to rotate broken work, meanwhile, guide pad 826 is carried out by the second eccentric wheel 823
It is reciprocal to push, by the effect of the second tension spring 828 upward top pressure automatically, so that guide pad 826 up and down reciprocatingly lifts work automatically
Make, meanwhile, set 833 is slided by the connected block 825 of the drive of guide pad 826, the drive of block 825 that is connected, slides 833 drive successive chunk of set
834th, successive chunk 834 drives rubble head 835 up and down reciprocatingly to crush work.
The beneficial effects of the invention are as follows：The configuration of the present invention is simple, it is easy to operate, chamber is slided by being provided in rack,
It slides and first turn of chamber is provided in the rack on the left of chamber, slide and second turn of chamber is provided in the rack on the right side of chamber, slide sliding in chamber
Row cooperation is equipped with sliding block, coordinates in sliding block and is equipped with screw rod, and screw rod left part extends tail end and slides chamber left end wall
Be rotatably assorted connection, and screw rod right part extends tail end and is connected with the first driving machine, and the first driving machine outer surface is fixedly mounted and machine
In frame inner wall, the second driving machine is installed in the sliding block of screw rod upper end, tail end is equipped with the first flower on the left of the second driving machine
Key lever, the second driving machine right side tail end are equipped with the second spline rod, slide and be rotatably assorted in the rack between chamber and first turn of chamber
First rotating shaft is installed, the interior port that is equipped with of inner wall is provided with the first spline towards the right side on the right side of first rotating shaft, prolongs on the left of first rotating shaft
Long tail end is installed with the first eccentric wheel, and the first eccentric wheel is fitted in first turn of chamber, is additionally provided in first turn of chamber
With the first eccentric wheel be connected it is flat cover structure, second turn of chamber and slide to be rotatably assorted in rack between chamber and be equipped with second
Shaft is equipped with port in the second shaft inner left wall and a left side is provided with the second spline, extends tail end and the on the right side of the second shaft
Inner walls are rotatably assorted connection on the right side of two turns of chambers, and the second shaft outer surface of second turn of intracavitary is installed with the first taper cone pulley, the
The second shaft outer surface on the right side of one taper cone pulley is also installed with the second eccentric wheel, coordinates in the rack on the downside of the second eccentric wheel
Structure in succession is connected with, the second taper cone pulley being connected with the first taper cone pulley, the second cone are additionally provided in second turn of chamber downside
Crushed stone is connected in rack on the downside of shape wheel, it is flat so as to be realized when being needed after garbage loading embeading and putting down and cover Ramming operation
Cladding plate flexible work up and down automatically, when needing broken work, can realize that rubble head rotates broken work, Yi Jishi automatically
Existing rubble head up and down reciprocatingly crushes work automatically, realizes automation control, reduces manpower and uses.
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any
The change or replacement expected without creative work, should be covered by the protection scope of the present invention.Therefore, it is of the invention
Protection domain should be determined by the scope of protection defined in the claims.
Claims (4)
1. a kind of municipal refuse fills device, including landfill frame, the rack being arranged in the landfill frame that can be slided up and down, institute
Rack inner roof wall is stated equipped with hydraulic device, the hydraulic stem of the hydraulic device is fixedly connected with the frame top, the landfill
Frame bottom is equipped with idler wheel, it is characterised in that：It is provided in the rack and slides chamber, set in the rack slided on the left of chamber
First turn of chamber is equipped with, second turn of chamber is provided in the rack slided on the right side of chamber, described slide slides cooperation peace in chamber
Coordinate equipped with sliding block, in the sliding block and screw rod is installed, the screw rod left part extends tail end and slides a chamber left side with described
End wall is rotatably assorted connection, and the screw rod right part extends tail end and is connected with the first driving machine, the first driving machine outer surface
It is fixedly mounted in the frame inner wall, being equipped with the second driving machine in the sliding block of the screw rod upper end, described the
Tail end is equipped with the first spline rod on the left of two driving machines, and tail end is equipped with the second spline rod on the right side of second driving machine, described
It slides to be rotatably assorted in the rack between chamber and first turn of chamber and first rotating shaft is installed, in the first rotating shaft right side
Port is equipped in wall, the right side is provided with the first spline, extended tail end on the left of the first rotating shaft and be installed with the first bias
Wheel, first eccentric wheel are fitted in first turn of chamber, are additionally provided in first turn of chamber with described first partially
The flat of heart wheel mating connection covers structure, is rotatably assorted and is equipped in second turn of chamber and the rack slided between chamber
Second shaft, the interior port that is equipped with of the second shaft inner left wall are provided with the second spline, the second shaft right side towards a left side
Extension tail end is rotatably assorted with inner wall on the right side of second turn of chamber and is connected, the second shaft outer surface of second turn of intracavitary
It is installed with the first taper cone pulley, the second shaft outer surface on the right side of first taper cone pulley is also installed with second partially
Heart wheel, is connected with structure in succession in the rack on the downside of second eccentric wheel, on the downside of second turn of chamber in also set
The second taper cone pulley being connected with first taper cone pulley is equipped with, coordinates in the rack on the downside of second taper cone pulley and connects
It is connected to crushed stone.
2. a kind of municipal refuse landfill device according to claim 1, it is characterised in that：The flat structure of covering includes setting
The groove on the downside of first turn of chamber in the bottom of the frame end face, it is described between the groove and first turn of chamber
Cooperation is slided in rack, push strut is installed, the push strut bottom extends tail end and is installed with flat cladding plate, the push strut
Top extends tail end and is installed with connected plate, and the connected plate and first turn of chamber slide mating connection and with described first
Eccentric wheel is connected, and the connected plate bottom, which is located in first turn of chamber at left and right sides of the push strut, to be connected with
First tension spring.
3. a kind of municipal refuse landfill device according to claim 1, it is characterised in that：The crushed stone includes setting
Empty slot on the right side of the rack in lower end wall slides to be connected in the empty slot and slides set, described to slide set inner wall
It is inside rotatably assorted and successive chunk is installed, the successive chunk lower face is installed with rubble head, the successive chunk middle port court
On be provided with the 3rd spline, in the 3rd spline cooperation the 3rd spline rod is installed, the 3rd spline rod with it is described
It is fixedly connected immediately below second taper cone pulley.
4. a kind of municipal refuse landfill device according to claim 1, it is characterised in that：The structure in succession includes setting
Guide groove in the rack of the empty slot right-hand end slides cooperation in the guide groove and is equipped with guide pad, the sky
Be provided in the rack between slot and the guide groove and lead to slot, it is described lead to cooperation is slided in slot connected block is installed,
The connected block left end face with it is described slide set and be fixedly connected with its right end face be fixedly connected with the guide pad, the connected block
With on the downside of the guide pad described in lead to the second tension spring be connected in slot and guide groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711388015.XA CN108043857A (en) | 2017-12-20 | 2017-12-20 | A kind of municipal refuse fills device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711388015.XA CN108043857A (en) | 2017-12-20 | 2017-12-20 | A kind of municipal refuse fills device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108043857A true CN108043857A (en) | 2018-05-18 |
Family
ID=62130616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711388015.XA Withdrawn CN108043857A (en) | 2017-12-20 | 2017-12-20 | A kind of municipal refuse fills device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108043857A (en) |
-
2017
- 2017-12-20 CN CN201711388015.XA patent/CN108043857A/en not_active Withdrawn
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207070621U (en) | A kind of intelligent Chinese yam harvesting robotic | |
| CN208251058U (en) | A kind of soil moved in improve the original is more changed trains | |
| CN107700317A (en) | A kind of compact road tamping unit | |
| CN107059966A (en) | A kind of special scraper bowl of excavator | |
| CN108307710B (en) | A kind of digging apparatus | |
| CN108043857A (en) | A kind of municipal refuse fills device | |
| CN107653868B (en) | A kind of town road tamping unit | |
| CN107740330A (en) | A kind of portable tamping unit of urban road | |
| CN107842014A (en) | A kind of tamping unit of energy foundation ditch backfill | |
| CN108252345A (en) | A kind of road construction bull-dozer | |
| CN108086098A (en) | A kind of municipal works road tamping unit | |
| CN209369822U (en) | A kind of shield-tunneling construction deslagging device | |
| CN111946253A (en) | A well drilling send native equipment for rock layer creeps into in pit | |
| CN107306819A (en) | A kind of cultivation automatic feeder | |
| CN108043856A (en) | A kind of urban garbage fills device | |
| CN108325992A (en) | A kind of modified municipal refuse landfill device | |
| CN107558465B (en) | A kind of tamping unit of road construction | |
| CN206368383U (en) | Loading shovel | |
| CN107974954A (en) | A kind of improved bridge pavement construction device | |
| CN110476548B (en) | Agricultural automatic seeding device | |
| CN206681050U (en) | A kind of excavator | |
| CN208441853U (en) | Push-bench based on earth pressure balance | |
| CN108103944A (en) | A kind of bridge pavement constructing device | |
| CN108004885A (en) | A kind of tamping unit of flexible road construction | |
| CN208201963U (en) | A kind of road construction bull-dozer |
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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180518 |
|
| WW01 | Invention patent application withdrawn after publication |