CN1039252C - A road-surface applying screed for a road-surface finisher - Google Patents
A road-surface applying screed for a road-surface finisher Download PDFInfo
- Publication number
- CN1039252C CN1039252C CN93116805.8A CN93116805A CN1039252C CN 1039252 C CN1039252 C CN 1039252C CN 93116805 A CN93116805 A CN 93116805A CN 1039252 C CN1039252 C CN 1039252C
- Authority
- CN
- China
- Prior art keywords
- plate
- formation
- scraper plate
- formation plate
- road surface
- 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.)
- Expired - Fee Related
Links
- 239000000463 material Substances 0.000 claims abstract description 16
- 230000015572 biosynthetic process Effects 0.000 claims description 94
- 238000007790 scraping Methods 0.000 claims description 17
- 125000006850 spacer group Chemical group 0.000 claims description 10
- 238000009499 grossing Methods 0.000 abstract 4
- 230000000694 effects Effects 0.000 description 4
- 238000002955 isolation Methods 0.000 description 3
- 238000005056 compaction Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 230000015654 memory Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Images
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
- E01C19/22—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 consolidating or finishing laid-down unset materials
- E01C19/30—Tamping or vibrating apparatus other than rollers ; Devices for ramming individual paving elements
- E01C19/34—Power-driven rammers or tampers, e.g. air-hammer impacted shoes for ramming stone-sett paving; Hand-actuated ramming or tamping machines, e.g. tampers with manually hoisted dropping weight
- E01C19/40—Power-driven rammers or tampers, e.g. air-hammer impacted shoes for ramming stone-sett paving; Hand-actuated ramming or tamping machines, e.g. tampers with manually hoisted dropping weight adapted to impart a smooth finish to the paving, e.g. tamping or vibrating finishers
-
- 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
- E01C2301/00—Machine characteristics, parts or accessories not otherwise provided for
- E01C2301/14—Extendable screeds
- E01C2301/16—Laterally slidable screeds
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Machines (AREA)
Abstract
In the case of a screed (B) for a road paver (road finisher) (F) which has a boxlike screed body (7), which is oriented transversely to the laying direction and at the bottom of which a smoothing plate (8) capable of being placed on the laid material is arranged, and which has at least one vibrating device (V) incorporated in the screed (B), the smoothing plate (8) is mounted pendulously on the screed body (7) in such a way that vibrations of the smoothing plate (8) are substantially not transmitted to the screed body (7), and the vibrating device (V) is arranged directly on the smoothing plate (8).
Description
The present invention relates to a kind of surfacer road surface scraper plate that is used for, comprise the plate body of scraping of box, it is provided with transverse to the road surfacing direction, is provided with formation plate scraping the plate body bottom, and this formation plate is used for being seated in the top of ground surface material.This road surface also comprises at least one vibrating device that is arranged in the usefulness scraper plate of road surface with scraper plate.
Disclosed scraper plate in EP 0472094A1, its formation plate be by hinge with scrape plate body before lower edge be connected, this hinge has a horizontally extending hinge axis.Perhaps pass through a spring assembly on the raised position of back.Vibrating device is installed on the bridge architecture, and this structure is connected to the vertical front wall and the upside of formation plate again.Like this, vibrating device is to be positioned on the position of formation plate top one segment distance.In operation, formation plate is around hinge axis, and this hinge axis has the tail end of formation plate, and this tail end is similar to vertical reciprocating motion.Simultaneously, the front end of formation plate is close to motionless.The rear portion that is limited to this plate during the vibration of formation plate is as a result done is to afterbody, and the forward part of formation plate more or less is pressed on the surface course.
Wei Gele company (Vogele AG) is at document (the D-6800 Mannheim of its " lengthening scraper plate and standard scraper plate ", a kind of road surface scraper plate is disclosed No.2352/1.5/4.92), wherein each vibrating device is to install like this, be that the whole plate body or whole scraper plate quality and formation plate scraped is together by exciting, therefore, they also vibrate.When ground surface material was laid, the formation plate of vibration was as the compacting parts.This formation plate is seated on the surface of ground surface material layer of accumulation.As a rule, the beater device has also been set up with scraper plate in the road surface, and this device comprises a beater bar, and this installs in the formation plate front-end operations.For encourage have big quality scrape plate body and formation plate, need bigger exciting force, although had like this than higher exciting force, also can only make formation plate produce smaller amplitude, the vibration of scraping plate body is the very big load of parts generation of one to bogey and other with scraper plate with the road surface.For lengthening formula scraper plate, each blade member (main blade member and lengthening blade member) comprises at least one vibrating device.
The purpose of this invention is to provide a kind of as the road surface scraper plate described in top first section,, also can make the formation plate in the vibrating device produce bigger amplitude although this road surface has reduced exciting force with scraper plate.This scraper plate surface layer that can satisfy the need produces improved uniform vibration and smooth effect.
Purpose of the present invention can realize like this: the described plate body of scraping is with tunnel shape extend through formation plate, and do not contact with formation plate, scrape plate body and also be provided with the extension that is basically parallel to formation plate, each extension is bearing between flexible member and the following flexible member, this time flexible member sits on the formation plate, and a basic vertical pull bar is set on formation plate at least, and described pull bar departed from or the extend through extension, thereby do not contact with extension, described pull bar is bearing on the flexible member.
In such embodiments, formation plate be separately vibration to be activated to the extent of vibration of scraping on the plate body little of ignoring, scrape plate body and the road surface that is arranged in above the formation plate is put at compacting operation as rest mass with the matter of blade member.Isolate owing to scrape between the whole plate of plate body peace, and vibrating device acts directly on the formation plate,, the amplitude of formation plate is increased although exciting force is smaller.Like this, just improved the consolidation effect of ground surface material.In addition, the rest mass of scraping plate body, the parts that are connected with scraper plate with the road surface and supporting arrangement is no longer caused the influence of very strong perturbed force of the vibration of formation plate.The vibration frequency of formation plate and amplitude can accurately be adjusted, and can change rapidly, and this is that the quality of formation plate is smaller because use the quality of scraper plate than the road surface.
Vibrating device comprises a vertical vibrator in one embodiment, and it comprises an excitation quality, and can produce vertical vibration after being subjected to excitement, and this vertical vibrator is arranged on the formation plate, thereby vibration is acted directly on the formation plate.In this embodiment, vertical vibrator acts directly on the formation plate.Scrape plate body and road surface and almost can ignore with the suffered vibration of scraper plate, formation plate is for vibration effect that ground surface material applied and scrape plate body and influence this vibration effect hardly.
In one embodiment, vibrating device comprises at least one non-equilibrium exciting mass, thus this exciting mass be arranged on make on the formation plate vibration act directly on the formation plate; Between this non-equilibrium exciting mass and this formation plate, auxiliary mass is set preferably.In this embodiment, non-equilibrium exciting mass is directly to be fixedly attached on the formation plate.Therefore thereby unnecessary excited vibration scraper plate plate body makes the formation plate vibration.
Simple in structure at one, among the embodiment of dependable performance, spacer assembly comprises a plurality of flexible members, and these flexible members can be spring part or block rubber, said flexible member is arranged on formation plate and scrapes between the plate body, and works on the direction that formation plate rises and falls.No matter how operative orientation changes, flexible member always with formation plate with scrape plate body and keep apart.The structure of spacer assembly is provided with like this and can makes the scraper plate body that the formation plate drawing gravitation is delivered to formation plate can not produce any problem again, use spring part or block rubber to be because they between the very long operating period in, service performance is almost constant, in addition, use flexible member also because they are easy to adapt to sometimes on the road surface with the more abominable condition of work on the scraper plate.
In one embodiment, said flexible member is to lead by the pull bar that is arranged in parallel, and if necessary, flexible member can be by prestretched, such structure setting has lid, because these pull bars are in place reliably on formation plate with respect to scraping plate body.Advance the middle scraper body when being in the position of a rising at surfacer in transportation, and the drawing motion that these pull bars then are used for scraping plate body is delivered on the formation plate, and pulls and supports formation plate, makes it remain on above position, ground.
In one embodiment, scrape plate body with tunnel shape extend through formation plate, and do not contact with formation plate, scrape plate body and also be provided with the extension that is basically parallel to formation plate, each extension is bearing between flexible member and the following flexible member, and this time flexible member sits on the formation plate, a basic vertical pull bar is set on formation plate at least, described pull bar departs to be walked around or the extend through extension, thereby does not contact with this extension, and described pull bar is bearing on the flexible member.Such structure is useful when the edge action of the close formation plate of spacer assembly.Formation plate is vibration equably on its whole length and width.The vibration force that is produced by vibrating device is delivered in the ground surface material of the whole compaction plane between formation plate and the ground surface material again equably.
In one embodiment, described road surface comprises that with scraper plate a main scraper plate and at least one auxiliary scraper plate, this auxiliary scraper plate are to be used for extending or shrinking at main scraper plate side; Described each scraper plate comprises that all one is scraped plate body and a formation plate, and main scraper plate and auxiliary scraper plate all are provided with at least one vibrating device on formation plate, at formation plate with scrape a spacer assembly and/or a hinge are set between the plate body at least.Because main scraper plate has identical structure design with auxiliary scraper plate, therefore on whole pavement construction width, can both guarantee uniform compaction.
By embodiment the present invention is further described with reference to the accompanying drawings.
Fig. 1 has the lateral view of road surface with the surfacer of scraper plate;
Fig. 2 A, 2B are the partial top view of Fig. 1;
Fig. 3 has schematically shown the sectional view of road surface with first embodiment of scraper plate;
Fig. 4 has schematically shown the portion view of road surface with second embodiment of scraper plate;
Surfacer F illustrated in figures 1 and 2 comprises travel mechanism 2 (wheel or crawler belt), this mechanism is arranged on the underframe 1 and by center driven part 3 and is driven, front portion at finisher F, be provided with material memories 4 at the top of underframe 1, the conveying device (not shown) is transported to ground surface material distributor 6 with ground surface material from material memories 4, and this distributor is horizontally installed on the rear portion of finisher F.By side outrigger 5 road surface is connected on the finisher F with scraper plate B.This scraper plate B is distributed the ground surface material of heaping, and forms flat surface, then with further smooth and compacting of ground surface material.The road surface can be the standard scraper plate that the fixing operation width is arranged with scraper plate B, or the lengthening scraper plate of operation variable-width, in the illustrated embodiment, but this lengthening scraper plate comprises the auxiliary scraper plate Z (seeing Fig. 2 A and 2E) of a central main scraper plate H and two horizontal expansions and contraction, adjusts according to working width and determines auxiliary scraper plate Z.The road surface can be provided with beater device T with scraper plate B, sees along operative orientation, and this device is arranged at the front portion of scraper plate B.In addition, a vibration is set on the road surface in scraper plate B at least; Device V, in the embodiment shown, main scraper plate H and each auxiliary scraper plate Z are provided with alternate vibrating device V.
Schematically shown the local diagrammatic sketch of road surface among Fig. 3 and Fig. 4 with scraper plate B, described scraper plate B means main scraper plate H or auxiliary scraper plate Z and is bearing in it in basic scraper plate or is bearing in (R among Fig. 1) in the transverse support, the formation plate 8 that is used for being placed on the ground surface material top is arranged on the downside of scraping plate body 7 of tunnel shape lengthening, and scraper plate 7 extends laterally accross operative orientation.Be provided with a plurality of spacer assembly E between plate body 7 and the formation plate 8 scraping, the structure example of this spacer assembly E be as can being to scrape the vibration isolating device of plate body 7 with respect to formation plate 8, and is arranged on the peripheral part of scraping plate body 7.Each spacer assembly E can for example have one and go up flexible member 9 and following flexible member 10, and these flexible members can be spring or block rubber.The extension 11 of scraping plate body 7 in clamping between flexible member, and passes through the pull bar 12 of formation plate 8, and flexible member is maintained.Therefore, scraping plate body 7 does not contact with formation plate.
In the example of the road surface shown in Fig. 2 with scraper plate B, the road surface is a vertical vibrator with the vibrating device V of scraper plate B inside, this vibrator comprises an exciting mass 13, in the mode of routine it is driven with generation and to move up and down, exciting mass 13 is clamped between the upper and lower spring 16, on the underlaid formation plate 8 of spring 16 difference and on the top cross member 15.Cross member 15 is fixedly attached on the formation plate 8.Pull bar 17 is used for determining the position of exciting mass 13.When exciting mass 13 during with the motion of the moving component of above-below direction, just the vibration force that is produced is directly passed to formation plate 8, by elastomeric isolation device E, make and scrape plate body 7 and be in the vibration isolation with respect to formation plate 8.Can produce very big amplitude in vertical direction by relatively little exciting force, because formation plate is at vertical vibration basically, therefore by at formation plate 8 with scrape between the plate body 7 stop device is set, drawing can be moved along the moving direction transmission, described moving direction is transverse to direction of vibration.
Under situation embodiment illustrated in fig. 4, is a non-equilibrium quality vibrating device on the road surface with the vibrating device V of scraper plate plate B inside, it has the non-equilibrium mass 20 that can be driven in rotation and is used as the exciting piece, by at bearing] supporting arrangement 19 on 8 comes clamping to believe non-equilibrium mass 20.This mass 20 or be directly installed on the formation plate 18 perhaps is fixed on the auxiliary block 21, and this block 21 is fixed on the formation plate 8.
In above-mentioned two embodiment, be directly delivered to the upper surface (this upper surface is represented with label 14) of formation plate 8 and can not motivate any direct vibration scraping plate body 7 by the power that exciting mass 13 and 20 produced.
Can on the whole width of formation plate 8 or whole length, a plurality of vibrating devices be set by above-mentioned mode.Road surface other parts with scraper plate can be set, and these parts do not participate in vibration on vibrating device V.
The structure of elastomeric isolation device E should be such, even they are delivered to drawing gravitation on the formation plate 8 again not to scraping any vibration of plate body 7 excitations from scraping plate body 7; In addition, the structure of spacer assembly E also will satisfy such requirement, promptly formation plate is being promoted when making travel position with scraper plate on the road surface, and formation plate 8 can not fall down.
Claims (6)
1. the road surface scraper plate of a surfacer comprises that a box-shaped scrapes plate body, and it is provided with transverse to the road surfacing direction, and is provided with formation plate in its underpart, and described formation plate is used for being seated in the top of ground surface material; Also comprise at least one vibrating device that is arranged in the usefulness scraper plate of road surface; In a kind of mode of vibration described formation plate (8) is bearing in and scrapes on the plate body (7), and the vibration of formation plate is not delivered to substantially scrape on the plate body (7), it is characterized in that,
Be characterised in that, the described plate body (7) of scraping is with tunnel shape extend through formation plate (8), and do not contact with formation plate (8), scrape plate body (7) and also be provided with the extension (11) that is basically parallel to formation plate (8), each extension is bearing between flexible member (9) and the following flexible member (10), this time flexible member (10) sits on the formation plate (8), a basic vertical pull bar (12) is set on formation plate (8) at least, described pull bar (12) departed from or extend through extension (11), thereby do not contact with extension (11), described pull bar (12) is bearing on the flexible member (9).
2. according to the described road surface of claim 1 scraper plate, it is characterized in that described vibrating device (V) comprises a vertical vibrator, this vibrator comprises that one is suitable for being formed vertical vibration by the exciting mass (13) of exciting with this; This vertical vibrator is arranged on the formation plate (8), thereby just vibration acts directly on the described formation plate (8).
3. according to the described road surface of claim 1 scraper plate, it is characterized in that described vibrating device (V) comprises at least one non-equilibrium exciting mass (20), it is fixed on this formation plate (8) thereby goes up vibration is acted directly on this formation plate (8); Between described non-equilibrium exciting mass and described formation plate (8), an auxiliary mass (21) is set.
4. according at least one described road surface scraper plate in the claim 1 to 3, it is characterized in that, described spacer assembly (E) comprises a plurality of flexible members (9,10), these flexible members can be spring part or block rubber, they are arranged on this formation plate (8) and scrape between the plate body (7), and act on the rise of this formation plate (8) and the direction that falls on.
5. according to the described road surface of claim 4 scraper plate, it is characterized in that described flexible member (9,10) is to lead by the pull bar (12) that is parallel to each other, if necessary, flexible member can be by prestretched.
6. according to the scraper plate of road surface described in the claim 1 to 5, it is characterized in that described road surface scraper plate (B) comprises a main scraper plate (H) and at least one auxiliary scraper plate (Z), this auxiliary scraper plate is suitable for extending or shrinking at main scraper plate (H) side; Described each scraper plate comprises that all one is scraped a plate body (7) and a formation plate (8), main scraper plate (H) and auxiliary scraper plate (Z) all are provided with at least one vibrating device (V) on formation plate (8), at formation plate (8) with scrape a spacer assembly (E) and/or a hinge (G) are set between the plate body (7) at least.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE9212166U DE9212166U1 (en) | 1992-09-09 | 1992-09-09 | Screed for a paver |
| DEG9212166.7 | 1992-09-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1084240A CN1084240A (en) | 1994-03-23 |
| CN1039252C true CN1039252C (en) | 1998-07-22 |
Family
ID=6883598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN93116805.8A Expired - Fee Related CN1039252C (en) | 1992-09-09 | 1993-09-09 | A road-surface applying screed for a road-surface finisher |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0586886B1 (en) |
| JP (1) | JP2710543B2 (en) |
| CN (1) | CN1039252C (en) |
| DE (2) | DE9212166U1 (en) |
| DK (1) | DK0586886T3 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005007154A1 (en) * | 2005-02-16 | 2006-08-17 | Bjj Kleinmaschinen Gmbh | Self-propelled device for treating hippodrome has smoothing tool which exhibits pressure plate whereby pressure plate is propelled by unbalance motor in a direction vertical to hippodrome surface |
| EP2599920B1 (en) * | 2011-12-01 | 2015-02-11 | Joseph Vögele AG | Paver |
| US9267246B2 (en) | 2014-05-20 | 2016-02-23 | Caterpillar Paving Products Inc. | Paving machine having vibration-isolated screed assembly |
| CN104452553A (en) * | 2014-12-31 | 2015-03-25 | 柳工无锡路面机械有限公司 | Side baffle floating mechanism for paver screed plate |
| DE102017101685A1 (en) * | 2017-01-30 | 2018-08-02 | Hamm Ag | compactor |
| CN108130845B (en) * | 2017-12-18 | 2019-11-26 | 新沂市瓦窑工业园区有限公司 | A kind of cam engagement formula cement pavement paving device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1932951A1 (en) * | 1969-06-28 | 1971-01-07 | Dingler Werke Ag | Device for compacting and smoothing a layer of road surface material applied to a road surface |
| DK142178B (en) * | 1977-12-14 | 1980-09-15 | Phoenix As | Asphalt Paver. |
| WO1980000160A1 (en) * | 1978-06-28 | 1980-02-07 | Aebi Ag R | Finishing machine for concrete road |
| IT1243556B (en) * | 1990-08-23 | 1994-06-16 | Pietro Ceccaroli | IRON, FOR EXTENSION OF ROAD COATS, WITH SWINGING LOWER PART AROUND AN AXIS PLACED ON THE SAME IRON. |
-
1992
- 1992-09-09 DE DE9212166U patent/DE9212166U1/en not_active Expired - Lifetime
-
1993
- 1993-08-05 DK DK93112592T patent/DK0586886T3/en active
- 1993-08-05 EP EP93112592A patent/EP0586886B1/en not_active Expired - Lifetime
- 1993-08-05 DE DE59308025T patent/DE59308025D1/en not_active Expired - Lifetime
- 1993-09-09 CN CN93116805.8A patent/CN1039252C/en not_active Expired - Fee Related
- 1993-09-09 JP JP5224671A patent/JP2710543B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE59308025D1 (en) | 1998-02-26 |
| DK0586886T3 (en) | 1998-09-21 |
| JPH06272211A (en) | 1994-09-27 |
| CN1084240A (en) | 1994-03-23 |
| DE9212166U1 (en) | 1994-01-20 |
| JP2710543B2 (en) | 1998-02-10 |
| EP0586886A3 (en) | 1994-06-01 |
| EP0586886B1 (en) | 1998-01-21 |
| EP0586886A2 (en) | 1994-03-16 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |