CN109112933B - Screed vibrating mechanism and paver - Google Patents
Screed vibrating mechanism and paver Download PDFInfo
- Publication number
- CN109112933B CN109112933B CN201811283289.7A CN201811283289A CN109112933B CN 109112933 B CN109112933 B CN 109112933B CN 201811283289 A CN201811283289 A CN 201811283289A CN 109112933 B CN109112933 B CN 109112933B
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- Prior art keywords
- eccentric
- bearing seat
- eccentric shaft
- eccentric sleeve
- sleeve
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- 238000005096 rolling process Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000003245 working effect Effects 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
- E01C19/4866—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 with solely non-vibratory or non-percussive pressing or smoothing means for consolidating or finishing
- E01C19/4873—Apparatus designed for railless operation
Abstract
The invention discloses a screed vibrating mechanism and a paver, wherein the vibrating mechanism comprises an eccentric shaft, a fixed bearing seat, a movable bearing seat, vibrating beams, eccentric sleeves, positioning discs and fasteners; the eccentric shaft is provided with a fixed bearing seat mounting section and a movable bearing seat mounting section, an eccentric amount is arranged between the fixed bearing seat mounting section and the movable bearing seat mounting section, and the vibrating beam is connected with the movable bearing seat; the eccentric sleeve is provided with an inner hole matching surface and an outer circle mounting surface, an eccentric amount is arranged between the inner hole matching surface and the outer circle mounting surface of the eccentric sleeve, the movable bearing seat is arranged on the outer circle mounting surface of the eccentric sleeve, and the eccentric sleeve is arranged on the eccentric shaft in a rotatable manner by the inner hole matching surface and the movable bearing seat mounting surface of the eccentric shaft; the positioning disc is fixedly arranged on the eccentric shaft and is matched with the eccentric sleeve in a mode of limiting at least two rotation angles of the eccentric sleeve relative to the eccentric shaft, and the eccentric sleeve is fixed on the eccentric shaft through a fastener at the at least two rotation angles.
Description
Technical Field
The invention relates to a screed vibrating mechanism and a paver, and belongs to the technical field of compacting machinery.
Background
Screed, an indispensable component of pavers, plays an increasingly important role. The technical development of the screed plate of the paver is also a daily and a new technical layer is endless. Meanwhile, a screed vibrating system of the paver is most important as a pavement compacting mechanism; the vibration system comprises a rotation mechanism and a compaction mechanism, wherein the rotation mechanism is supported by two points, and if the amplitude adjustment structures of the two supporting parts are inconsistent, the whole vibration system swings, so that the pavement molding is seriously influenced; the traditional amplitude adjusting structure is formed by matching the unthreaded hole with the threaded hole, so that the problem of manufacturing and mounting errors exists, and the problem is mainly caused by a gap between the positioning unthreaded hole and the fixing bolt; for this current situation, it is necessary to perform structural optimization to eliminate manufacturing and installation errors caused by the gap between the positioning unthreaded hole and the fixing bolt in the original design.
Disclosure of Invention
The purpose is as follows: in order to overcome the defects in the prior art, the invention provides a screed vibrating mechanism and a paver.
The technical scheme is as follows: in order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a screed vibrating mechanism, vibrating mechanism includes eccentric shaft, fixed bearing frame, movable bearing frame, vibrating beam; the eccentric shaft is provided with a fixed bearing seat mounting section and a movable bearing seat mounting section, an eccentric amount is arranged between the fixed bearing seat mounting section and the movable bearing seat mounting section, the fixed bearing seat is mounted on the fixed bearing seat mounting section of the eccentric shaft, and the vibrating beam is connected with the movable bearing seat; the method is characterized in that:
the vibrating mechanism further comprises an eccentric sleeve, a positioning disc and a fastener;
the eccentric sleeve is provided with an inner hole matching surface and an outer circle mounting surface, an eccentric amount is arranged between the inner hole matching surface and the outer circle mounting surface of the eccentric sleeve, the movable bearing seat is arranged on the outer circle mounting surface of the eccentric sleeve, and the eccentric sleeve is arranged on the eccentric shaft in a rotatable mode of the inner hole matching surface and the movable bearing seat mounting surface of the eccentric shaft;
the positioning disc is fixedly arranged on the eccentric shaft and is matched with the eccentric sleeve in a mode of limiting at least two rotation angles of the eccentric sleeve relative to the eccentric shaft, and the eccentric sleeve is fixed on the eccentric shaft through the fastening piece on the at least two rotation angles.
As a preferred scheme, the screed vibrating mechanism is characterized in that: one of the eccentric sleeve and the positioning disc is provided with a protruding part facing the other, the other of the eccentric sleeve and the positioning disc is provided with a notch area, the notch area is provided with two positioning edges, and the two positioning edges are matched with the protruding part to limit two rotation angles of the eccentric sleeve relative to the eccentric shaft.
More preferably, the protruding portion is disposed on the eccentric sleeve, and the notch area is disposed on the positioning disc.
As a preferred scheme, the screed vibrating mechanism is characterized in that: the eccentric sleeve is provided with a mounting pin hole, and the protruding part of the eccentric sleeve is a positioning pin arranged at the mounting pin hole of the eccentric sleeve.
As a preferred scheme, the screed vibrating mechanism is characterized in that: the fastening piece is a bolt, a radial thread mounting hole is formed in the eccentric shaft, the eccentric sleeve is provided with radial unthreaded holes matched with the radial thread mounting holes in the rotation angles of the eccentric shaft, and the eccentric sleeve is fixed on the eccentric shaft through the radial thread mounting holes and the radial unthreaded holes by the bolt.
As a preferred scheme, the screed vibrating mechanism is characterized in that: the positioning disc and the eccentric shaft are provided with key grooves, and the positioning disc is fixed on the eccentric shaft through a flat key.
Preferably, the eccentric sleeve is imprinted with amplitude values corresponding to the at least two rotation angles relative to the eccentric shaft, and the eccentric shaft or the positioning disk is imprinted with marks for indicating the amplitude.
Preferably, the fixed bearing seat is mounted on the fixed bearing seat mounting section of the eccentric shaft through a rolling bearing, and the movable bearing seat is mounted on the outer circle mounting surface of the eccentric sleeve through a rolling bearing.
Preferably, the vibrating mechanism further comprises a movable hydraulic motor, and the hydraulic motor is connected with the eccentric shaft and used for driving the eccentric shaft to rotate so as to drive the vibrating beam to move up and down.
The vibration amplitude adjustment of the screed vibrating mechanism is realized by overlapping the eccentric sleeve and the eccentric quantity of the eccentric shaft, the notch on the positioning disc is used as a positioning edge of two-gear vibration amplitude, the positioning pin is arranged on the eccentric sleeve, when the eccentric sleeve is rotated, the positioning pin is clamped at the upper notch and the lower notch of the positioning disc, so that the accurate positioning of the two-gear vibration amplitude is realized, meanwhile, the eccentric sleeve is imprinted with vibration amplitude values corresponding to at least two rotation angles relative to the eccentric shaft, and when the eccentric sleeve is adjusted, the exposed value in the notch of the positioning disc is the vibration amplitude value of the vibrating mechanism, so that the user can conveniently check.
In another aspect, the present invention also provides a screed plate, characterized in that: the screed vibrating mechanism is arranged.
On the other hand, the invention also provides a paver, which is characterized in that: the screed vibrating mechanism is arranged.
The beneficial effects are that: according to the screed vibrating mechanism and the paver, the vibrating mechanism with the two-gear amplitude adjusting structure is adopted, and the two-gear amplitude adjusting structure is used for separating the positioning mechanism from the fixing mechanism, so that manufacturing and mounting errors caused by gaps between the original positioning unthreaded holes and the fixing bolts are eliminated. By applying the technology, the technical problem is solved, the accuracy of amplitude adjustment is greatly improved, and the method is convenient to implement and has good economic benefit. When the screed vibrating system works, consistency of vibration amplitude is well guaranteed, consistency of compaction degree of paving materials is well guaranteed, and paving quality is effectively improved.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1.
In the figure: eccentric shaft 1, driving motor 2, positioning disk 3, eccentric sleeve 4, movable bearing seat 5, vibrating beam 6, fixed flat key 7, fixing bolt 8, locating pin 9, fixed bearing seat 10.
Detailed Description
The invention will be further described with reference to specific examples.
Example 1
As shown in fig. 1 and 2, the screed vibrating mechanism with the two-gear amplitude adjusting structure comprises an eccentric shaft 1, a driving motor 2, a positioning disc 3, an eccentric sleeve 4, a movable bearing seat 5, vibrating beams 6, a fixed flat key 7, a fixed bolt 8, a positioning pin 9 and a fixed bearing seat 10.
The eccentric shaft 1 is provided with a fixed bearing seat mounting section and a movable bearing seat mounting section, an eccentric amount is arranged between the fixed bearing seat mounting section and the movable bearing seat mounting section, the fixed bearing seat 10 is mounted on the fixed bearing seat mounting section of the eccentric shaft, the vibrating beam 6 is connected with the movable bearing seat 5, the eccentric sleeve 4 is provided with an inner hole matching surface and an outer circle mounting surface, an eccentric amount is arranged between the inner hole matching surface of the eccentric sleeve 4 and the outer circle mounting surface, the movable bearing seat 5 is mounted on the outer circle mounting surface of the eccentric sleeve, the eccentric sleeve is rotatably mounted on the eccentric shaft in a manner that the inner hole matching surface and the movable bearing seat mounting surface of the eccentric shaft are rotatable, the positioning disc is fixedly mounted on the eccentric shaft and is matched with the eccentric sleeve in a manner that at least two rotating angles of the eccentric sleeve relative to the eccentric shaft can be limited, the eccentric sleeve is fixed on the eccentric shaft through a fastener, and the amplitude adjustment is realized by superposition of the eccentric amounts of the eccentric sleeve 4 and the eccentric shaft 1. The opening on the locating plate 3 is used as the locating edge of two-gear amplitude, the locating pin 9 is arranged on the eccentric sleeve 4, when the eccentric sleeve 4 is rotated, the locating pin 9 is clamped at the upper opening and the lower opening of the locating plate 3, so that the accurate locating of the two-gear amplitude is realized, meanwhile, the amplitude numerical values corresponding to at least two rotation angles relative to the eccentric shaft are printed on the eccentric sleeve 4, and when the eccentric sleeve is adjusted, the exposed numerical value in the opening of the locating plate is the amplitude value of the vibrating mechanism, so that the user can check conveniently. Accurate uniformity has improved vibration stability, has promoted paver's working property greatly.
The assembly mode of the design parts is as follows: the eccentric shaft 1 is provided with a left eccentric part and a right eccentric part, the left eccentric part and the right eccentric part are provided with a fixed bearing seat 10 which is connected with the frame to play a role in fixing and supporting, and meanwhile, the left eccentric part and the right eccentric part are provided with an eccentric sleeve 4 and a movable bearing seat 5, and a working mechanism on one side is described;
the eccentric shaft 1 is directly connected with the driving motor 2, the positioning disk 3 is assembled on the eccentric shaft 1 through a fixed flat key 7, the eccentric sleeve 4 is assembled on the eccentric shaft 1 and positioned through a fixed bolt 8, the eccentric sleeve 4 is provided with a positioning pin 9, the movable bearing seat 5 is assembled on the eccentric sleeve 4, and the lower part of the movable bearing seat 5 is connected with the vibrating beam 6 through a bolt; when the fixing bolt 8 is loosened, the eccentric sleeve 4 is rotated, and when the locating pin 9 on the eccentric sleeve 4 is contacted with the locating edge of the opening of the locating disc 3 for locating, after the fact that the stroke numerical value mark exposed by the opening on the locating disc 3 is required by a user is confirmed, after the fixing bolt 8 is screwed down, the adjustment is completed, the driving motor 2 is directly connected with the eccentric shaft 1 for rotating, the overlapped eccentric quantity of the eccentric sleeve 4 and the eccentric shaft 1 leads to the up-and-down swing of the movable bearing seat 5, and the material is compacted by the up-and-down movement of the lower part of the movable bearing seat 5 and the vibrating beam 6, so that the requirement of the pavement compactness is finally met. The whole consistency of the vibrating beam 6 is guaranteed by the rotation precision of the vibrating mechanism, extra swinging is eliminated, and stable vibration is realized.
The foregoing is only a preferred embodiment of the invention, it being noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present invention, and such modifications and adaptations are intended to be comprehended within the scope of the invention.
Claims (9)
1. The utility model provides a screed vibrating mechanism, vibrating mechanism includes eccentric shaft, fixed bearing frame, movable bearing frame, vibrating beam; the eccentric shaft is provided with a fixed bearing seat mounting section and a movable bearing seat mounting section, an eccentric amount is arranged between the fixed bearing seat mounting section and the movable bearing seat mounting section, the fixed bearing seat is mounted on the fixed bearing seat mounting section of the eccentric shaft, and the vibrating beam is connected with the movable bearing seat; the method is characterized in that:
the vibrating mechanism further comprises an eccentric sleeve, a positioning disc and a fastener;
the eccentric sleeve is provided with an inner hole matching surface and an outer circle mounting surface, an eccentric amount is arranged between the inner hole matching surface and the outer circle mounting surface of the eccentric sleeve, the movable bearing seat is arranged on the outer circle mounting surface of the eccentric sleeve, and the eccentric sleeve is arranged on the eccentric shaft in a rotatable mode of the inner hole matching surface and the movable bearing seat mounting surface of the eccentric shaft;
the positioning disc is fixedly arranged on the eccentric shaft and is matched with the eccentric sleeve in a mode of limiting at least two rotation angles of the eccentric sleeve relative to the eccentric shaft, and the eccentric sleeve is fixed on the eccentric shaft through the fastening piece on the at least two rotation angles;
one of the eccentric sleeve and the positioning disc is provided with a protruding part facing the other, the other of the eccentric sleeve and the positioning disc is provided with a notch area, the notch area is provided with two positioning edges, and the two positioning edges are matched with the protruding part and are used for limiting two rotation angles of the eccentric sleeve relative to the eccentric shaft; the eccentric sleeve is printed with amplitude values corresponding to the at least two rotation angles relative to the eccentric shaft, and the eccentric shaft or the positioning disc is printed with marks for indicating the amplitude.
2. The screed vibrating mechanism of claim 1, wherein: the protrusion is arranged on the eccentric sleeve, and the notch area is arranged on the positioning disc.
3. The screed vibrating mechanism of claim 2, wherein: the eccentric sleeve is provided with a mounting pin hole, and the protruding part of the eccentric sleeve is a positioning pin arranged at the mounting pin hole of the eccentric sleeve.
4. The screed vibrating mechanism of claim 1, wherein: the fastening piece is a bolt, a radial thread mounting hole is formed in the eccentric shaft, the eccentric sleeve is provided with radial unthreaded holes matched with the radial thread mounting holes in the rotation angles of the eccentric shaft, and the eccentric sleeve is fixed on the eccentric shaft through the radial thread mounting holes and the radial unthreaded holes by the bolt.
5. The screed vibrating mechanism of claim 1, wherein: the positioning disc and the eccentric shaft are provided with key grooves, and the positioning disc is fixed on the eccentric shaft through a flat key.
6. The screed vibrating mechanism of claim 1, wherein: the fixed bearing seat is arranged on the fixed bearing seat mounting section of the eccentric shaft through a rolling bearing, and the movable bearing seat is arranged on the outer circle mounting surface of the eccentric sleeve through a rolling bearing.
7. The screed vibrating mechanism of claim 1, wherein: the vibrating mechanism further comprises a movable hydraulic motor, and the hydraulic motor is connected with the eccentric shaft and used for driving the eccentric shaft to rotate so as to drive the vibrating beam to move up and down.
8. A screed plate, characterized in that: a screed vibrating mechanism according to any one of claims 1-7.
9. A paver, characterized in that: a screed vibrating mechanism according to any one of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811283289.7A CN109112933B (en) | 2018-10-31 | 2018-10-31 | Screed vibrating mechanism and paver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811283289.7A CN109112933B (en) | 2018-10-31 | 2018-10-31 | Screed vibrating mechanism and paver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109112933A CN109112933A (en) | 2019-01-01 |
| CN109112933B true CN109112933B (en) | 2024-01-23 |
Family
ID=64854381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811283289.7A Active CN109112933B (en) | 2018-10-31 | 2018-10-31 | Screed vibrating mechanism and paver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109112933B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113897842A (en) * | 2021-10-21 | 2022-01-07 | 徐工集团工程机械股份有限公司道路机械分公司 | Vibrating mechanism, screed and paver |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4359296A (en) * | 1981-02-06 | 1982-11-16 | Cronkhite Daniel R | Vibrator for screed boards |
| CN2844206Y (en) * | 2005-05-10 | 2006-12-06 | 中外合资镇江华晨华通路面机械有限公司 | Paver vibrator amplitude is determined mechanism |
| CN101649597A (en) * | 2009-09-17 | 2010-02-17 | 长安大学 | Vibrator for paver capable of controlling inertia force |
| EP2325391A1 (en) * | 2009-11-20 | 2011-05-25 | Joseph Vögele AG | Tamper with variable stroke |
| CN103132441A (en) * | 2011-12-01 | 2013-06-05 | 宝马格有限公司 | Device for the displacement of a tamping bar of a road finisher |
| CN103590309A (en) * | 2013-11-08 | 2014-02-19 | 中联重科股份有限公司 | Rammering mechanism and ironing device for paver, and paver |
| CN104233931A (en) * | 2014-08-19 | 2014-12-24 | 湖南三一路面机械有限公司 | Amplitude adjusting device, vibration device and road roller |
| CN104894951A (en) * | 2015-06-30 | 2015-09-09 | 戴纳派克（中国）压实摊铺设备有限公司 | Double vibrating mechanism with motor, ironing plate and paver |
| CN209099134U (en) * | 2018-10-31 | 2019-07-12 | 徐工集团工程机械股份有限公司 | A kind of ironing-board vibrating mechanism and paver |
-
2018
- 2018-10-31 CN CN201811283289.7A patent/CN109112933B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4359296A (en) * | 1981-02-06 | 1982-11-16 | Cronkhite Daniel R | Vibrator for screed boards |
| CN2844206Y (en) * | 2005-05-10 | 2006-12-06 | 中外合资镇江华晨华通路面机械有限公司 | Paver vibrator amplitude is determined mechanism |
| CN101649597A (en) * | 2009-09-17 | 2010-02-17 | 长安大学 | Vibrator for paver capable of controlling inertia force |
| EP2325391A1 (en) * | 2009-11-20 | 2011-05-25 | Joseph Vögele AG | Tamper with variable stroke |
| CN103132441A (en) * | 2011-12-01 | 2013-06-05 | 宝马格有限公司 | Device for the displacement of a tamping bar of a road finisher |
| CN103590309A (en) * | 2013-11-08 | 2014-02-19 | 中联重科股份有限公司 | Rammering mechanism and ironing device for paver, and paver |
| CN104233931A (en) * | 2014-08-19 | 2014-12-24 | 湖南三一路面机械有限公司 | Amplitude adjusting device, vibration device and road roller |
| CN104894951A (en) * | 2015-06-30 | 2015-09-09 | 戴纳派克（中国）压实摊铺设备有限公司 | Double vibrating mechanism with motor, ironing plate and paver |
| CN209099134U (en) * | 2018-10-31 | 2019-07-12 | 徐工集团工程机械股份有限公司 | A kind of ironing-board vibrating mechanism and paver |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109112933A (en) | 2019-01-01 |
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