CN102518027A - Flattening device and slipform paver - Google Patents
Flattening device and slipform paver Download PDFInfo
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- CN102518027A CN102518027A CN2011104183718A CN201110418371A CN102518027A CN 102518027 A CN102518027 A CN 102518027A CN 2011104183718 A CN2011104183718 A CN 2011104183718A CN 201110418371 A CN201110418371 A CN 201110418371A CN 102518027 A CN102518027 A CN 102518027A
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- stranding
- flat
- paperback
- hands
- topped ridge
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Abstract
The invention discloses a flattening device and a slipform paver. The flattening device comprises a sliding base, a flatting beam, a supporting member and an adjustable retaining member, wherein the flattening beam is connected to the sliding base in suspension and can move in the flattening direction with respect to the sliding base and rotate in a plane vertical to the flattening direction with respect to the sliding base; the supporting member has a limiting end and a movable end capable of rotating around the limiting end, wherein the movable end can be supported to the flattening beam after being locked so that the flattening beam can be arranged in a preset elevation angle; and the adjustable retaining member is for adjusting and locking the angle in which the movable end of the supporting member rotates around the limiting end. Through an operation of changing the working elevation angle of the flattening beam, the size of the pulp roll rubbed by the flattening beam can be adjusted more effectively and the paving quality is greatly improved.
Description
Technical field
The present invention relates to the field of road engineering machinery technical field, particularly relate to a kind of stranding paperback and put and slip form paver.
Background technology
Slip form paver is a kind of engineering machinery that is used for the cement pavement construction.The stranding flat-topped ridge of slip form paver is positioned at the rear portion of paver sliding formwork; Can move along the road surface direction, and can adjust, be used to put forward slurry and road pavement and repair in short transverse; Rub the height and the slip form paver front and back supporting leg of flat-topped ridge through adjustment with the hands and can realize the volume slurry evenly, no aggregate is rubbed with the hands.
As depicted in figs. 1 and 2, existing stranding paperback is put and generally includes: screw mandrel 18, holding screw 31, screw mandrel cover 39, stranding flat-topped ridge 14, deep groove ball bearing 35, bearing pin 36 and snap ring 37.Deep groove ball bearing 35 is fixed on through bearing pin 36 and snap ring 37 and rubs with the hands on the flat-topped ridge 14, rubs flat-topped ridge 14 with the hands and is hung on the erection support of rubbing flat-topped ridge with the hands through threaded screw rod cover 39 and threaded screw rod 18.
The basic functional principle that existing stranding paperback is put is: the crank-link mechanism of slip form paver drives stranding flat-topped ridge 14 and in the chute of screw mandrel cover 39, moves, thereby the reparation of slurry and road pavement is proposed in realization.When needs are highly adjusted rubbing flat-topped ridge 14 with the hands; Only need unclamp holding screw 31; (screw mandrel is the very high part of a kind of precision to rotary screw 18; It can confirm the stage coordinates position accurately, and will rotatablely move converts rectilinear motion to) be positioned at setting height to rubbing flat-topped ridge 14 with the hands, and then holding screw 31 lockings are got final product.
The defective that prior art exists is, rubs the stranding flat-topped ridge that paperback puts with the hands and can't realize the adjustment of the elevation angle (promptly rubbing flat-topped ridge bottom surface and road surface angle with the hands), and therefore, the slurry of can't more effective adjustment having rubbed is rolled up big or small, further improves spreading quality; In addition; Because the stranding flat-topped ridge that existing stranding paperback is put adopts the mode of four-point suspension, for ease of the assembling of deep groove ball bearing, the fit-up gap, outer ring of the chute of screw mandrel cover and deep groove ball bearing is bigger usually; This makes that the stranding flat-topped ridge rocks when work bigger, and flat quality is rubbed in influence with the hands.
Summary of the invention
The invention provides a kind of stranding paperback and put and slip form paver, rub the stranding flat-topped ridge elevation angle that paperback puts in the prior art with the hands and can't adjust in order to solve, the slurry of therefore can't more effective adjustment having rubbed is rolled up big or small, further improves the technical problem of spreading quality.
The present invention rubs paperback with the hands and puts, and comprising:
Sliding seat;
Rub flat-topped ridge with the hands, said stranding flat-topped ridge is hung and is connected in sliding seat, can move along rubbing flat operative orientation with the hands relative to sliding seat, and relative sliding seat rotates in perpendicular to the plane of rubbing flat operative orientation with the hands;
Top retainer component, said top retainer component comprise that restriction is held and can hold the movable end that rotates around restriction that said movable end can be resisted against the stranding flat-topped ridge after being locked, make the stranding flat-topped ridge be in the setting elevation angle;
Adjustable locking member is used to adjust and lock the angle of the movable end of top retainer component around the rotation of restriction end.
Preferably, power stops down outside, and said stranding flat-topped ridge off-centre is hung to be connected in sliding seat and to be in and set the elevation angle, and when no external force stopped, said stranding flat-topped ridge can rotate in perpendicular to the plane of rubbing flat operative orientation with the hands by relative sliding seat under action of gravity.
Further, said sliding seat has along rubbing the chute hole that flat operative orientation runs through with the hands, and said stranding paperback is put further and comprises: sliding axle and Holder for hanging household utensiles, wherein,
Said sliding axle comprises the part part outer with stretching out chute hole that is placed in the chute hole, and said sliding axle can axially move and chute hole rotation relatively along chute hole;
Said Holder for hanging household utensiles is fixed in the part outside the chute hole of stretching out of sliding axle;
Said stranding flat-topped ridge is fixedly connected with Holder for hanging household utensiles.
Preferably, said stranding paperback is put and further comprises erection support and be fixed in the height adjustment mechanism on the erection support, wherein,
The screw mandrel cover that said height adjustment mechanism comprises screw mandrel, be connected with wire rod thread and can be with the securing member of screw mandrel from locking radial, said sliding seat is fixedly connected with the screw mandrel cover, and when rotary screw, said screw mandrel overlaps the drive sliding seat and moves to setting height.
Preferable, said Holder for hanging household utensiles is eccentric Holder for hanging household utensiles.
Preferably, said stranding flat-topped ridge is fixedly connected with Holder for hanging household utensiles through hanging bearing pin.
Preferably, be equipped with clutch shaft bearing in the chute hole of said sliding seat, then said sliding shaft sleeve is in clutch shaft bearing.
Preferably, said clutch shaft bearing is a sliding bearing.
Optional; Said erection support has wall extension in a side of adjustable locking member; Said adjustable locking member comprises the adjustment screw bolt and nut; Said adjustment bolt passes wall extension and top retainer component and nut assembling, can make movable end rotate set angle around the restriction end through the position of adjustment nut on the adjustment bolt, so make rub with the hands flat-topped ridge around the sliding axle rotational to setting the elevation angle.
Preferable, the restriction end of said top retainer component is restricted on the top retainer component mount pad that is fixed on the erection support through first bearing pin.
Preferably; The movable end of said top retainer component is fixed with rolling mechanism; Said rolling mechanism comprises second bearing pin, second bearing and locking member; Said second bearing is assemblied on second bearing pin also spacing through locking member locking, and the outer ring of then said second bearing is resisted against the stranding flat-topped ridge, can put down moving of operative orientation in stranding with the stranding flat-topped ridge and roll.
Slip form paver of the present invention comprises like each described stranding paperback in the aforementioned techniques scheme and putting.
In technical scheme of the present invention,, can move along rubbing flat operative orientation with the hands relative to sliding seat because said stranding flat-topped ridge is hung and is connected in sliding seat; Reach relative sliding seat and in perpendicular to the plane of rubbing flat operative orientation with the hands, rotating, the movable end of said top retainer component is resisted against the stranding flat-topped ridge by adjustable locking member locking, when needs are adjusted the elevation angle of stranding flat-topped ridge; Only need to regulate adjustable locking member; Make the movable end of top retainer component rotate set angle around limiting end, the relative thereupon sliding seat of stranding flat-topped ridge turns to the setting elevation angle and gets final product, through changing the work elevation angle of rubbing flat-topped ridge with the hands; Can more effective adjustment rub the slurry volume size that flat-topped ridge has been rubbed with the hands with the hands, improve spreading quality greatly.
Description of drawings
Fig. 1 rubs paperback with the hands for prior art and puts the forward cross sectional view;
Fig. 2 rubs paperback with the hands for prior art and puts lateral view;
Fig. 3 puts the forward cross sectional view for the present invention rubs paperback with the hands;
Fig. 4 puts lateral view for the present invention rubs paperback with the hands.
Reference numeral
39-screw mandrel cover 35-deep groove ball bearing
36-bearing pin 37-snap ring
The 31-holding screw
11-sliding seat 12-sliding axle
13-Holder for hanging household utensiles 14-rubs flat-topped ridge with the hands
15-top retainer component 15a-limits end
15b-movable end 16a-adjusts bolt
16b-nut 17-erection support
17a-wall extension 18-screw mandrel
19-screw mandrel cover 20-securing member
21-hangs bearing pin 22-clutch shaft bearing
The 23-first bearing pin 24-top retainer component mount pad
The 25-second bearing pin 26-second bearing
27-locking member 28-holder
The specific embodiment
To rub the stranding flat-topped ridge elevation angle that paperback puts with the hands and can't adjust in order to solve in the prior art, the slurry of therefore can't more effective adjustment having rubbed is rolled up big or small, further improves the technical problem of spreading quality, the invention provides a kind of stranding paperback and puts and slip form paver.
Like Fig. 3 and shown in Figure 4, the present invention rubs paperback with the hands and puts, and comprising: sliding seat 11, stranding flat-topped ridge 14, top retainer component 15 and adjustable locking member, wherein,
Said stranding flat-topped ridge 14 is hung and is connected in sliding seat 11, can move along rubbing flat operative orientation with the hands relative to sliding seat 11, and relative sliding seat 11 rotates in perpendicular to the plane of rubbing flat operative orientation with the hands;
Said top retainer component comprises restriction end 15a and the movable end 15b that can rotate around restriction end 15a, and said movable end 15b can be resisted against after being locked and rub flat-topped ridge 14 with the hands, makes to rub flat-topped ridge 14 with the hands and be in and set the elevation angle (rub with the hands among Fig. 4 flat-topped ridge 14 be in the elevation angle be zero state);
Said adjustable locking member is used to adjust and lock the angle of the movable end 15b of top retainer component 15 around restriction end 15a rotation.
The flat operative orientation of said stranding is promptly rubbed the direction of the relative paver gantry motion of flat-topped ridge with the hands, and just cardinal principle is perpendicular to the direction of paver direction of advance.
As shown in Figure 4; Said stranding flat-topped ridge 14 power outside stops that down off-centre hangs to be connected in sliding seat 11 and to be in and sets the elevation angle; When no external force stops, said stranding flat-topped ridge 14 can be under action of gravity relative sliding seat 11 in perpendicular to the plane of rubbing flat operative orientation with the hands, turn to the position of relative inclined.
As shown in Figure 3; Said sliding seat 11 has along rubbing the chute hole that flat operative orientation runs through with the hands; Said stranding paperback is put further and comprises: sliding axle 12 and Holder for hanging household utensiles 13; Wherein, said sliding axle 12 comprises the part part outer with stretching out chute hole that is placed in the chute hole, and said sliding axle 12 can axially move and chute hole rotation relatively along chute hole; Said Holder for hanging household utensiles 13 is fixed in the part outside the chute hole of stretching out of sliding axle 12; Said stranding flat-topped ridge 14 is fixedly connected with Holder for hanging household utensiles 13.
Usually; Said stranding paperback is put and comprises the erection support 17 of rubbing flat-topped ridge 14 with the hands; In order to realize that said stranding paperback is put and also further comprises height adjustment mechanism, wherein to rubbing the adjustment of flat-topped ridge 14 working depths (being terrain clearance) with the hands; The screw mandrel cover 19 that said height adjustment mechanism comprises screw mandrel 18, be threaded with screw mandrel 18 and can be with the securing member 20 of screw mandrel 18 from locking radial; Said sliding seat 11 is fixedly connected with screw mandrel cover 19, and when rotary screw 18, said screw mandrel cover 19 drives sliding seat 11 and moves to setting height.
In Fig. 3, said securing member 20 is a holding screw, and the bottom of said screw mandrel cover 19 has adpting flange, and sliding seat 11 is connected through bolt with the adpting flange of screw mandrel cover 19.In the time need adjusting to the working depth of rubbing flat-topped ridge 14 with the hands; Unscrew holding screw; Rotary screw 18 makes 19 relative screw mandrel 18 precessions of screw mandrel cover, and screw mandrel cover 19 drives sliding seat 11; Sliding seat 11 and then drive are rubbed flat-topped ridge 14 with the hands and are carried out height adjustment, when rubbing the holding screw of screwing after flat-topped ridge 14 is in the setting working depth with the hands with screw mandrel 18 lockings.
Holder for hanging household utensiles 13 is preferably eccentric Holder for hanging household utensiles.Rubbing flat-topped ridge 14 with the hands is hung on the sliding axle 12 through Holder for hanging household utensiles 13 off-centre; Thereby off-centre is hung on the sliding seat 11; The axis of center of gravity and sliding axle 12 of promptly rubbing flat-topped ridge 14 with the hands is not on same vertical guide; When stranding flat-topped ridge 14 stops (top that is top retainer component movable end 15b is supported) in no external force like this, can under action of gravity, be positioned at sliding axle 12 axis place vertical guide around sliding axle 12 rotational until center of gravity, Holder for hanging household utensiles 13 relative horizontal directions tilt like this.Rub flat-topped ridge 14 with the hands owing to the movable end 15b of top retainer component 15 is resisted against by adjustable locking member locking, top retainer component 15 has interaction force with rubbing with the hands between the flat-topped ridge 14, and therefore, movable end 15b is close to stranding flat-topped ridge 14 each other.Said stranding flat-topped ridge 14 is fixedly connected with Holder for hanging household utensiles 13 through hanging bearing pin 21.Rub flat-topped ridge 14 with the hands and can also be not limited to this through other modes such as screw threads for fastening with being fixedly connected of Holder for hanging household utensiles 13.
In the embodiment shown in fig. 3, be equipped with clutch shaft bearing 22 in the chute hole of said sliding seat 11, said sliding axle 12 is placed in the clutch shaft bearing 22.Clutch shaft bearing 22 is preferably sliding bearing, bears sliding friction and has advantages such as stable working, reliable, noiseless.
As shown in Figure 4; Said erection support 17 has wall extension 17a in a side of adjustable locking member; Said adjustable locking member comprises adjustment bolt 16a and nut 16b; Said adjustment bolt 16a passes wall extension 17a and top retainer component 15 and nut 16b assembling, can make movable end 15b rotate set angle around restriction end 15a through the position of adjustment nut 16b on adjustment bolt 16a, so make rub with the hands flat-topped ridge 14 around sliding axle 12 rotational to setting the elevation angle.
The form of structure of adjustable locking member is not limited to this; Be appreciated that; Adjustment bolt 16a can be replaced by the adjusting lever with a plurality of draw-in grooves; And nut 16b can be replaced by snap ring, when snap ring is arranged in the different draw-in groove of adjusting lever, can adjust the position of snap ring on adjusting lever, thereby the elevation angle of flat-topped ridge 14 is rubbed in adjustment with the hands.
The restriction end 15a of said top retainer component is restricted on the top retainer component mount pad 24 that is fixed on the erection support 17 through first bearing pin 23.The movable end 15b of said top retainer component 15 is fixed with rolling mechanism; Said rolling mechanism comprises second bearing pin 25, second bearing 26 and locking member 27; Said second bearing 26 is assemblied on second bearing pin 25 and locks spacing through locking member 27; The outer ring of then said second bearing 26 is resisted against stranding flat-topped ridge 14, can roll moving of the flat operative orientation of stranding with stranding flat-topped ridge 14, thus the friction between minimizing and the stranding flat-topped ridge.Rub flat-topped ridge 14 with the hands because the outer ring of second bearing 26 is resisted against, and rub flat-topped ridge 14 with the hands and be close to each other, therefore, it is less when rubbing flat operation with the hands, to rub flat-topped ridge 14 vibrations with the hands, stable working.See also Fig. 4; Said second bearing 26 is a deep groove ball bearing; Said second bearing pin 25 is for having the multidiameter of screw thread, and said locking member 27 is also tight two nuts together, and the movable end 15b of said top retainer component 15 is welded with the holder 28 with installing hole; Said deep groove ball bearing (second bearing 26) is assemblied in second bearing pin 25, a side end face and is against the installing hole that penetrates holder 28 behind the shaft shoulder of second bearing pin 25, through and tight together two nuts (locking member 27) fixing.
It is following that the present invention rubs the assembling process that paperback puts with the hands:
To rub flat-topped ridge 14 with the hands and be connected through hanging bearing pin 21 with Holder for hanging household utensiles 13, sliding seat 11 sliding axle 12 of packing into behind the sliding bearing (clutch shaft bearing 22) of packing into, Holder for hanging household utensiles 13 is connected with sliding axle 12; The adpting flange of sliding seat 11 and screw mandrel cover 19 is connected through bolt, and screw mandrel overlaps 19 packs into behind the erection support 17, the screw mandrel 18 and lock holding screw (securing member 20) of packing into from the top; With top retainer component mount pad 24 through being bolted on the erection support 17; The restriction end 15a of top retainer component 15 is through the first bearing pin 23 top retainer component mount pad 24 of packing into; With deep groove ball bearing (second bearing 26) second bearing pin 25 of packing into; Pack into the holder 28 of top retainer component movable end 15b of second bearing pin 25, through and tight together two nuts (locking member 27) fixing; With adjustment bolt 16a pack into the prolongation wall 17a and the top retainer component 15 of erection support 17,16b fixes through nut.
The adjustment process of rubbing the flat-topped ridge elevation angle with the hands is following:
Unscrew the nut 16b of adjustable locking member; The position of adjustment nut 16b on adjustment bolt 16a; Make the movable end 15b of top retainer component 15 rotate set angle around restriction end 15a; And then rub with the hands flat-topped ridge 14 (when reverse adjustment time, under the self gravitation effect) under the promotion of deep groove ball bearing (second bearing 26) outer ring around sliding axle 12 rotational to setting the elevation angle, realize the adjustment of stranding flat-topped ridge 14 bottom surfaces and road surface angle.
Slip form paver of the present invention comprises that the stranding paperback in the aforementioned techniques scheme is put, and can effectively adjust and rub the slurry volume size that flat-topped ridge has been rubbed with the hands with the hands, and spreading quality is higher.
In technical scheme of the present invention,, can move along rubbing flat operative orientation with the hands relative to sliding seat because said stranding flat-topped ridge is hung and is connected in sliding seat; Reach relative sliding seat and in perpendicular to the plane of rubbing flat operative orientation with the hands, rotating, the movable end of said top retainer component is resisted against the stranding flat-topped ridge by adjustable locking member locking, when needs are adjusted the elevation angle of stranding flat-topped ridge; Only need to regulate adjustable locking member; Make the movable end of top retainer component rotate set angle around limiting end, the relative thereupon sliding seat of stranding flat-topped ridge turns to the setting elevation angle and gets final product, through changing the work elevation angle of rubbing flat-topped ridge with the hands; Can more effective adjustment rub the slurry volume size that flat-topped ridge has been rubbed with the hands with the hands, improve spreading quality greatly.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, belong within the scope of claim of the present invention and equivalent technologies thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.
Claims (12)
1. a stranding paperback is put, and it is characterized in that, comprising:
Sliding seat (11);
Rub flat-topped ridge (14) with the hands, said stranding flat-topped ridge (14) is hung and is connected in sliding seat (11), can move along rubbing flat operative orientation with the hands relative to sliding seat (11), and relative sliding seat (11) rotates in perpendicular to the plane of rubbing flat operative orientation with the hands;
Top retainer component (15), said top retainer component comprise limiting to be held (15a) and can hold the movable end (15b) of (15a) rotation around restriction, and said movable end (15b) can be resisted against stranding flat-topped ridge (14) after being locked, stranding flat-topped ridge (14) is in sets the elevation angle;
Adjustable locking member is used for the angle of the movable end (15b) of adjustment and locking top retainer component (15) around restriction end (15a) rotation.
2. stranding paperback as claimed in claim 1 is put; It is characterized in that; Power stops down outside; Said stranding flat-topped ridge (14) off-centre is hung to be connected in sliding seat (11) and to be in and is set the elevation angle, and when no external force stopped, said stranding flat-topped ridge (14) can rotate in perpendicular to the plane of rubbing flat operative orientation with the hands by relative sliding seat (11) under action of gravity.
3. stranding paperback as claimed in claim 2 is put, and it is characterized in that, said sliding seat (11) has along rubbing the chute hole that flat operative orientation runs through with the hands, and said stranding paperback is put further and comprises: sliding axle (12) and Holder for hanging household utensiles (13), wherein,
Said sliding axle (12) comprises the part part outer with stretching out chute hole that is placed in the chute hole, and said sliding axle (12) can axially move and chute hole rotation relatively along chute hole;
Said Holder for hanging household utensiles (13) is fixed in the part outside the chute hole of stretching out of sliding axle (12);
Said stranding flat-topped ridge (14) is fixedly connected with Holder for hanging household utensiles (13).
4. stranding paperback as claimed in claim 3 is put, and it is characterized in that, said stranding paperback is put and further comprises erection support (17) and be fixed in the height adjustment mechanism on the erection support (17), wherein,
Said height adjustment mechanism comprises screw mandrel (18), the screw mandrel cover (19) that is threaded with screw mandrel (18) and can be with the securing member (20) of screw mandrel (18) from locking radial; Said sliding seat (11) is fixedly connected with screw mandrel cover (19); When rotary screw (18), said screw mandrel cover (19) drives sliding seat (11) and moves to setting height.
5. stranding paperback as claimed in claim 3 is put, and it is characterized in that, said Holder for hanging household utensiles (13) is eccentric Holder for hanging household utensiles.
6. stranding paperback as claimed in claim 3 is put, and it is characterized in that, said stranding flat-topped ridge (14) is fixedly connected with Holder for hanging household utensiles (13) through hanging bearing pin (21).
7. stranding paperback as claimed in claim 3 is put, and it is characterized in that, is equipped with clutch shaft bearing (22) in the chute hole of said sliding seat (11), and then said sliding axle (12) is placed in the clutch shaft bearing (22).
8. stranding paperback as claimed in claim 7 is put, and it is characterized in that, said clutch shaft bearing (22) is a sliding bearing.
9. stranding paperback as claimed in claim 4 is put; It is characterized in that; Said erection support (17) has wall extension (17a) in a side of adjustable locking member; Said adjustable locking member comprises adjustment bolt (16a) and nut (16b); Said adjustment bolt (16a) passes wall extension (17a) and top retainer component (15) and nut (16b) assembling, can make movable end (15b) rotate set angle around restriction end (15a) through the position of adjustment nut (16b) on adjustment bolt (16a), so make rub with the hands flat-topped ridge (14) around sliding axle (12) rotational to setting the elevation angle.
10. stranding paperback as claimed in claim 4 is put, and it is characterized in that, the restriction end (15a) of said top retainer component (15) is restricted on the top retainer component mount pad (24) that is fixed on the erection support (17) through first bearing pin (23).
11. stranding paperback as claimed in claim 4 is put; It is characterized in that; The movable end (15b) of said top retainer component (15) is fixed with rolling mechanism, and said rolling mechanism comprises second bearing pin (25), second bearing (26) and locking member (27), and it is last and spacing through locking member (27) locking that said second bearing (26) is assemblied in second bearing pin (25); The outer ring of then said second bearing (26) is resisted against rubs flat-topped ridge (14) with the hands, can roll moving of the flat operative orientation of stranding with rubbing flat-topped ridge (14) with the hands.
12. a slip form paver is characterized in that, comprises like each described stranding paperback of claim 1～11 putting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110418371 CN102518027B (en) | 2011-12-14 | 2011-12-14 | Flattening device and slipform paver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110418371 CN102518027B (en) | 2011-12-14 | 2011-12-14 | Flattening device and slipform paver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102518027A true CN102518027A (en) | 2012-06-27 |
| CN102518027B CN102518027B (en) | 2013-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110418371 Active CN102518027B (en) | 2011-12-14 | 2011-12-14 | Flattening device and slipform paver |
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| CN (1) | CN102518027B (en) |
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| CN110172895A (en) * | 2019-05-30 | 2019-08-27 | 石岩 | A kind of multi-faceted semi-automatic road rank layup device for bottoming out carrying formula of twin shaft |
| CN111910494A (en) * | 2020-08-20 | 2020-11-10 | 广东冠粤路桥有限公司 | Rub paper-back edition with hands and paver |
| CN113550208A (en) * | 2021-07-23 | 2021-10-26 | 广州市佑安土木工程有限公司 | Rubbing beam and troweling device for slip form paver |
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| CN101906750A (en) * | 2010-08-05 | 2010-12-08 | 三一重工股份有限公司 | Screed vibrator and paver |
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| US5352063A (en) * | 1992-09-30 | 1994-10-04 | Allen Engineering Corporation | Polymer concrete paving machine |
| US5568992A (en) * | 1995-05-19 | 1996-10-29 | Caterpillar Paving Products Inc. | Screed control system for an asphalt paver and method of use |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110172895A (en) * | 2019-05-30 | 2019-08-27 | 石岩 | A kind of multi-faceted semi-automatic road rank layup device for bottoming out carrying formula of twin shaft |
| CN111910494A (en) * | 2020-08-20 | 2020-11-10 | 广东冠粤路桥有限公司 | Rub paper-back edition with hands and paver |
| CN111910494B (en) * | 2020-08-20 | 2024-05-17 | 广东冠粤路桥有限公司 | Rubbing device and paver |
| CN113550208A (en) * | 2021-07-23 | 2021-10-26 | 广州市佑安土木工程有限公司 | Rubbing beam and troweling device for slip form paver |
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| Publication number | Publication date |
|---|---|
| CN102518027B (en) | 2013-11-06 |
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