CN110241690A - A kind of slip form paver - Google Patents
A kind of slip form paver Download PDFInfo
- Publication number
- CN110241690A CN110241690A CN201910460455.4A CN201910460455A CN110241690A CN 110241690 A CN110241690 A CN 110241690A CN 201910460455 A CN201910460455 A CN 201910460455A CN 110241690 A CN110241690 A CN 110241690A
- Authority
- CN
- China
- Prior art keywords
- host platform
- generating set
- slip form
- control panel
- mold
- 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
- 239000000463 material Substances 0.000 claims abstract description 17
- 238000000465 moulding Methods 0.000 claims description 26
- 239000000725 suspension Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims 1
- 238000007493 shaping process Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 239000004567 concrete Substances 0.000 abstract description 22
- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- 239000010959 steel Substances 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 22
- 239000004568 cement Substances 0.000 description 12
- 239000002994 raw material Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009415 formwork Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 210000001258 synovial membrane Anatomy 0.000 description 2
- 238000012876 topography Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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
- 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
- E01C19/48—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 laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ
- E01C19/4886—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 laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ for forming in a continuous operation kerbs, gutters, berms, safety kerbs, median barriers or like structures in situ, e.g. by slip-forming, by extrusion
- E01C19/4893—Apparatus designed for railless operation
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Machines (AREA)
Abstract
The present invention provides a kind of slip form paver, it is related to concrete speading apparatus field, a kind of slip form paver, including host platform, control panel is vertically equipped in the middle part of the top planes of the host platform, the top planes of the host platform are equipped with hydraulic station in the side of control panel, the top planes of the host platform are equipped with grapple feeding system in the side of hydraulic station, one side end of the host platform is equipped with high-pressure washer, the bottom of the host platform is equipped with traveling crawler, material transport band is tiltedly installed in the middle part of the bottom surface of the host platform, the side of the control panel is equipped with mold hydraulic lift system, the top surface other side of the host platform is vertically equipped with generating set, the back bottom of the generating set is equipped with the mold mounting rack that paves, power is provided using generating set, simultaneously using double steel tracks electric power Walking manner is driven, speed of application regulation is easy, turns to flexibly, and climb and fall, left and right zig zag are non-slip, barycentre steadiness of walking.
Description
Technical field
The present invention relates to concrete speading equipment technical field, specially a kind of slip form paver.
Background technique
Cement concrete form construction technology is initiated many years ago in Witt, Germany root Mechanology Inc., and the technique is in Europe at present
U.S. developed country generally pushes open, and China just started to promote successively in some key projects in recent years, traditional cement concrete
Pouring construction complex procedures need man-made support template, and multi-angle is fixed, then penetration concrete, manually vibrate, smooth out, several
Dismantle template after it again, this method needs a large amount of templates, needs largely manually to produce, and production efficiency is low and construction quality
It is difficult to ensure, cement concrete form construction technology has following several big advantages compared to traditional construction technique: speed of application is fast；Engineering
Quality is improved and guarantees；Engineering is aesthetic in appearance smooth；Both having saved labour's expenditure can also be such that the duration of a project fulfils ahead of schedule, make
Making different molds can construct the continuity concrete construction of any shape, and production and sales sliding formwork machinery and project contracting are applied
The market prospects of work are very optimistic.
Present invention mainly solves be exactly under MODEL OVER COMPLEX TOPOGRAPHY, equipment is difficult with, and single equipment can only manufacture list
The problem of one form, the whole scope of application of equipment is improved, equipment is conveniently replaceable.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, it the present invention provides a kind of slip form paver, solves under MODEL OVER COMPLEX TOPOGRAPHY,
The problem of equipment is difficult with, and single equipment can only manufacture single form.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs: a kind of slip form paver, including host
The top planes middle part of platform, the host platform is vertically equipped with control panel, and the top planes of the host platform are controlling
The side of panel is equipped with hydraulic station, and the top planes of the host platform are equipped with grapple feeding system, institute in the side of hydraulic station
The side end for stating host platform is equipped with high-pressure washer, and the bottom of the host platform is equipped with traveling crawler, and the host is flat
Material transport band is tiltedly installed in the middle part of the bottom surface of platform, the side of the control panel is equipped with mold hydraulic lift system, described
The top surface other side of host platform is vertically equipped with generating set, and the back bottom of the generating set is equipped with the mold installation that paves
The end face middle part of frame, the host platform is hinged with receiving hopper.
Preferably, rear light is equipped at the top of the back side of the generating set, the top bolt of the generating set is fixed with
Rain shade, the middle part and end of the rain shade are separately installed with active display and headlamp.
Preferably, the side of the material transport band is equipped with power motor, and power motor is double end motor, the power
Another end of motor is equipped with molding die, and the top of the molding die is equipped with feed inlet, and the inner cavity of the molding die is embedding
Conjunction has vibrating spear, and the bottom of the molding die is equipped with flattening-out roller.
Preferably, the mold hydraulic lift system includes hanging frame, and the side of the hanging frame is socketed with fixation
Side plate, the surface of the fixed side panel offer installation threaded hole, and fixing bolt is connected to hydraulic in the middle part of the back side of the fixed side panel
Cylinder body, the end of the hydraulic cylinder is chimeric main telescopic rod, and the end of the main telescopic rod is fixed with support mainboard.
Preferably, the grapple feeding system includes hold-down support, and load-bearing support arm is connected at the top of the hold-down support,
The end of the load-bearing support arm is connected with end hook arm, and the end of the end hook arm is connected with feed hook, the end hook
Hydraulic-driven bar is equipped between arm and feed hook and on the outside of the link position of end hook arm and load-bearing support arm.
(3) beneficial effect
The present invention provides a kind of slip form pavers.Have it is following the utility model has the advantages that
1, the present invention provides power using generating set, while being driven by electricity walking manner using double steel tracks, constructs
Speed regulation is easy, turns to flexibly, and climb and fall, left and right zig zag are non-slip, barycentre steadiness of walking.
2, using the mold mounting rack that paves the synovial membrane that paves is fixedly mounted, to realize that whole equipment can be convenient in the present invention
Replacement pave synovial membrane mold, improve the run stability of whole equipment.
Detailed description of the invention
Fig. 1 is main structure schematic diagram of the invention；
Fig. 2 is that structure of the invention faces component layout viewing；
Fig. 3 is the structural schematic diagram that claw assembly is hooked in the present invention；
Fig. 4 is the structural schematic diagram of mold suspension assembly in the present invention.
Wherein, 1, grapple feeding system；101, hold-down support；102, load-bearing support arm；103, end hook arm；104, hydraulic drive
Lever；105, it is fed hook；2, receiving hopper；3, material transport band；4, high-pressure washer；5, mold hydraulic lift system；51, it hangs
Hang frame；52, fixed side panel；53, hydraulic cylinder；54, mainboard is supported；55, main telescopic rod；56, threaded hole is installed；6, walking is carried out
Band；7, host platform；8, pave mold mounting rack；9, generating set；10, rear light；11, rain shade；12, active display；
13, headlamp；14, control panel；15, hydraulic station；16, power motor；17, molding die；18, flattening-out roller；19, it feeds
Mouthful；20, vibrating spear.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment one:
As shown in Figure 1, 2, the embodiment of the present invention provides a kind of slip form paver, including host platform 7, host platform 7
Control panel 14 is vertically equipped in the middle part of top planes, the top planes of host platform 7 are equipped with hydraulic in the side of control panel 14
Stand 15, the top planes of host platform 7 are equipped with grapple feeding system 1, a side end of host platform 7 in the side of hydraulic station 15
Equipped with high-pressure washer 4, the bottom of host platform 7 is equipped with traveling crawler 6, is tiltedly installed with original in the middle part of the bottom surface of host platform 7
Expect transmission belt 3, the side of control panel 14 is equipped with mold hydraulic lift system 5, and the top surface other side of host platform 7 is vertically equipped with
Generating set 9, the back bottom of generating set 9 are equipped with the mold mounting rack 8 that paves, and the end face middle part of host platform 7 is horizontally hinged
There is receiving hopper 2, rear light 10 is equipped at the top of the back side of generating set 9, the top bolt of generating set 9 is fixed with rain shade 11,
The middle part and end of rain shade 11 are separately installed with active display 12 and headlamp 13, and the side of material transport band 3 is equipped with dynamic
Force motor 16, and power motor 16 is double end motor, another end of power motor 16 is equipped with molding die 17, molding die 17
Top be equipped with feed inlet 19, the inner cavity of molding die 17 is chimeric vibrating spear 20, and the bottom of molding die 17 is equipped with flattening-out rolling
Cylinder 18, when carrying out the slding form operation such as cement concrete gutter, kerbstone or isolated column, host fills it up with construction water and oil plant
Starting device afterwards, first starting generating set 9, after equipment components normal operation, haulage vehicle is opened close to slip form paver
It opens grapple feeding system 1 to be put into molding die 17 from crawl cement concrete on haulage vehicle, starts vibration after raw material is filled
Tamper 20 makes the sufficiently closely knit molding of 17 inner concrete of molding die, and unlatching walking button at the uniform velocity advances and can complete gutter, road
The slding form operation of the straight line or camber line of the cement concretes structure such as kerb, isolated column, in construction grapple feeding system 1 according at
Concrete material stock situation in pattern tool 17 is properly added raw material, and mold inner concrete material stock must not be lower than and vibrate in normal construction
The end of stick 20, driver works according to front and back working face and shows while comprehensive observation device operating condition when construction
The construction line that the display situation controlling equipment of screen 12 is put well by technician runs and controls travel speed to be terminated up to constructing, and is applied
After work mechanical equipment and haulage vehicle can be rinsed with high-pressure washer 4.
Embodiment two:
As shown in Figure 1, 2, the embodiment of the present invention provides a kind of slip form paver, including host platform 7, host platform 7
Control panel 14 is vertically equipped in the middle part of top planes, the top planes of host platform 7 are equipped with hydraulic in the side of control panel 14
Stand 15, the top planes of host platform 7 are equipped with grapple feeding system 1, a side end of host platform 7 in the side of hydraulic station 15
Equipped with high-pressure washer 4, the bottom of host platform 7 is equipped with traveling crawler 6, is tiltedly installed with original in the middle part of the bottom surface of host platform 7
Expect transmission belt 3, the side of control panel 14 is equipped with mold hydraulic lift system 5, and the top surface other side of host platform 7 is vertically equipped with
Generating set 9, the back bottom of generating set 9 are equipped with the mold mounting rack 8 that paves, and the end face middle part of host platform 7 is horizontally hinged
There is receiving hopper 2, rear light 10 is equipped at the top of the back side of generating set 9, the top bolt of generating set 9 is fixed with rain shade 11,
The middle part and end of rain shade 11 are separately installed with active display 12 and headlamp 13, and the side of material transport band 3 is equipped with dynamic
Force motor 16, and power motor 16 is double end motor, another end of power motor 16 is equipped with molding die 17, molding die 17
Top be equipped with feed inlet 19, the inner cavity of molding die 17 is chimeric vibrating spear 20, and the bottom of molding die 17 is equipped with flattening-out rolling
Cylinder 18, paves when constructing in highway graded broken stone layer, cement stabilizing layer, blacktop, paves mold in host rear suspension
Afterwards, starting device after construction water and oil plant is filled it up with, first starting generating set 9, after equipment components normal operation, transport
Vehicle is close to slip form paver and lifts cargo bed, and grapple feeding system 1 cooperates the transport vehicle raw material that will pave at the uniform velocity to be discharged to slip-form machine
In front end receiving hopper 2, starts material transport band 3, the required raw material to pave is at the uniform velocity transported to paving for Slipform Paving drive end unit
In mold, raw material is evenly distributed to mold every nook and cranny by the screw material-distributing bar in mold, the road surface structare layer thickness to be paved
According to design data require use pave about 8 mold mounting rack adjust, after raw material in mold is filled unlatching walk button it is even
Speed advance can complete paving for the even uniform of road surface structare layer straight line or camber line, and grapple feeding system 1 is according to booth in construction
The concrete material stock situation cooperation haulage vehicle at the uniform velocity adding raw materials in mold are spread, material stock must not be lower than mould in normal construction mold
Has outlet end height, driver works aobvious while comprehensive observation device operating condition according to front and back working face when construction
The construction line that the display situation controlling equipment of display screen 12 is put well by technician runs and controls travel speed to be terminated up to constructing,
After construction mechanical equipment and haulage vehicle can be rinsed with high-pressure washer 4.
Embodiment three:
As shown in Figure 1, 2, the embodiment of the present invention provides a kind of slip form paver, including host platform 7, host platform 7
Control panel 14 is vertically equipped in the middle part of top planes, the top planes of host platform 7 are equipped with hydraulic in the side of control panel 14
Stand 15, the top planes of host platform 7 are equipped with grapple feeding system 1, a side end of host platform 7 in the side of hydraulic station 15
Equipped with high-pressure washer 4, the bottom of host platform 7 is equipped with traveling crawler 6, is tiltedly installed with original in the middle part of the bottom surface of host platform 7
Expect transmission belt 3, the side of control panel 14 is equipped with mold hydraulic lift system 5, and the top surface other side of host platform 7 is vertically equipped with
Generating set 9, the back bottom of generating set 9 are equipped with the mold mounting rack 8 that paves, and the end face middle part of host platform 7 is horizontally hinged
There is receiving hopper 2, rear light 10 is equipped at the top of the back side of generating set 9, the top bolt of generating set 9 is fixed with rain shade 11,
The middle part and end of rain shade 11 are separately installed with active display 12 and headlamp 13, and the side of material transport band 3 is equipped with dynamic
Force motor 16, and power motor 16 is double end motor, another end of power motor 16 is equipped with molding die 17, molding die 17
Top be equipped with feed inlet 19, the inner cavity of molding die 17 is chimeric vibrating spear 20, and the bottom of molding die 17 is equipped with flattening-out rolling
Cylinder 18, in Slipform Constraction in Cement Concrete, after host rear suspension Slipform Paving mold, fills it up with equipment water and oil
Starting device after material, first starting generating set 9, after equipment components normal operation, haulage vehicle is close to slip form paver
And cargo bed is lifted, grapple feeding system 1 cooperates transport vehicle that cement concrete raw material is at the uniform velocity discharged to slip-form machine front end receiving hopper 2
In, start material transport band 3, cement concrete raw material is at the uniform velocity transported in the sliding formwork mold of Slipform Paving drive end unit, mold
In screw material-distributing bar cement concrete raw material is evenly distributed to mold every nook and cranny, the road surface structare layer thickness root to be paved
According to design data require use pave about 8 mold mounting rack adjustment, after raw material is filled starting vibrating spear 20 make molding die
The sufficiently closely knit molding of 17 inner concretes, cement concrete pavement straight line or camber line can be completed by opening walking button and at the uniform velocity advancing
The Slipform Paving of even uniform is constructed, and grapple feeding system 1 is matched according to the concrete material stock situation in molding die 17 in construction
Haulage vehicle at the uniform velocity adding raw materials are closed, concrete material stock must not be lower than the end of vibrating spear 20 in normal construction, and when construction drives
Member is while comprehensive observation device operating condition, according to the display situation controlling equipment of front and back working face active display 12
The construction line put well by technician runs and controls travel speed to be terminated up to constructing, and high-pressure washer can be used after construction
4 rinse mechanical equipment and haulage vehicle.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence " including a reference structure ", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of slip form paver, including host platform (7), it is characterised in that: in the middle part of the top planes of the host platform (7)
Control panel (14) vertically are equipped with, the top planes of the host platform (7) are equipped with hydraulic station in the side of control panel (14)
(15), the top planes of the host platform (7) are equipped with grapple feeding system (1) in the side of hydraulic station (15), the host
One side end of platform (7) is equipped with high-pressure washer (4), and the bottom of the host platform (7) is equipped with traveling crawler (6), described
It is tiltedly installed with material transport band (3) in the middle part of the bottom surface of host platform (7), the side of the control panel (14) is equipped with mold liquid
It presses suspension (5), the top surface other side of the host platform (7) is vertically equipped with generating set (9), the generating set (9)
Back bottom be equipped with and pave mold mounting rack (8), be hinged with receiving hopper (2) in the middle part of the end face of the host platform (7).
2. a kind of slip form paver according to claim 1, it is characterised in that: at the top of the back side of the generating set (9)
Equipped with rear light (10), the top bolt of the generating set (9) is fixed with rain shade (11), the middle part of the rain shade (11)
Active display (12) and headlamp (13) are separately installed with end.
3. a kind of slip form paver according to claim 1, it is characterised in that: the side of the material transport band (3) is set
Dynamic motor (16), and power motor (16) is double end motor, another end of the power motor (16) is equipped with shaping mould
Have (17), the top of the molding die (17) is equipped with feed inlet (19), and the inner cavity of the molding die (17), which is fitted into have, vibrates
The bottom of stick (20), the molding die (17) is equipped with flattening-out roller (18).
4. a kind of slip form paver according to claim 1, it is characterised in that: mold hydraulic lift system (5) packet
It includes hanging frame (51), the side of the hanging frame (51) is socketed with fixed side panel (52), the table of the fixed side panel (52)
Face offers installation threaded hole (56), and fixing bolt is connected to hydraulic cylinder (53) in the middle part of the back side of the fixed side panel (52), described
The end of hydraulic cylinder (53) is chimeric to be had main telescopic rod (55), and the end of the main telescopic rod (55) is fixed with support mainboard
(54)。
5. a kind of slip form paver according to claim 1, it is characterised in that: the grapple feeding system (1) includes solid
Determine support (101), is connected with load-bearing support arm (102) at the top of the hold-down support (101), the end of the load-bearing support arm (102)
Portion is connected with end hook arm (103), and the end of the end hook arm (103) is connected with feed hook (105), the end hook arm
(103) between feed hook (105) and the link position of end hook arm (103) and load-bearing support arm (102) outside is equipped with
Hydraulic-driven bar (104).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910460455.4A CN110241690A (en) | 2019-05-30 | 2019-05-30 | A kind of slip form paver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910460455.4A CN110241690A (en) | 2019-05-30 | 2019-05-30 | A kind of slip form paver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110241690A true CN110241690A (en) | 2019-09-17 |
Family
ID=67885481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910460455.4A Pending CN110241690A (en) | 2019-05-30 | 2019-05-30 | A kind of slip form paver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110241690A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203360985U (en) * | 2013-05-09 | 2013-12-25 | 秦皇岛市卢龙华通工程机械厂 | Self-walking type self-adapting height adjustment edge stone sliding machine |
| CN104179114A (en) * | 2014-08-10 | 2014-12-03 | 刘全 | Paver |
| CN106012781A (en) * | 2016-07-22 | 2016-10-12 | 徐州徐工筑路机械有限公司 | Comprehensive asphalt pavement maintenance truck capable of performing site material frying and heat-preservation material storing |
| CN206127837U (en) * | 2016-08-20 | 2017-04-26 | 林志宏 | Road surface flattening distribution device |
| CN210341571U (en) * | 2019-05-30 | 2020-04-17 | 周建刚 | Slipform paver |
-
2019
- 2019-05-30 CN CN201910460455.4A patent/CN110241690A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203360985U (en) * | 2013-05-09 | 2013-12-25 | 秦皇岛市卢龙华通工程机械厂 | Self-walking type self-adapting height adjustment edge stone sliding machine |
| CN104179114A (en) * | 2014-08-10 | 2014-12-03 | 刘全 | Paver |
| CN105220602A (en) * | 2014-08-10 | 2016-01-06 | 刘全 | A kind of curb forming machine |
| CN106012781A (en) * | 2016-07-22 | 2016-10-12 | 徐州徐工筑路机械有限公司 | Comprehensive asphalt pavement maintenance truck capable of performing site material frying and heat-preservation material storing |
| CN206127837U (en) * | 2016-08-20 | 2017-04-26 | 林志宏 | Road surface flattening distribution device |
| CN210341571U (en) * | 2019-05-30 | 2020-04-17 | 周建刚 | Slipform paver |
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Application publication date: 20190917 |