CN105350434A - Vibratory road roller and amplitude modulation device thereof - Google Patents
Vibratory road roller and amplitude modulation device thereof Download PDFInfo
- Publication number
- CN105350434A CN105350434A CN201510711900.1A CN201510711900A CN105350434A CN 105350434 A CN105350434 A CN 105350434A CN 201510711900 A CN201510711900 A CN 201510711900A CN 105350434 A CN105350434 A CN 105350434A
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- China
- Prior art keywords
- eccentric block
- amplitude modulation
- installation shaft
- movable eccentric
- vibratory roller
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- 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.)
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Classifications
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- 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
- E01C19/23—Rollers therefor; Such rollers usable also for compacting soil
- E01C19/28—Vibrated rollers or rollers subjected to impacts, e.g. hammering blows
- E01C19/285—Vibrated rollers or rollers subjected to impacts, e.g. hammering blows with attachments for work other than rolling, e.g. dozer blades, shoes for conversion into plate vibrator; fitted to vehicles, road-construction or earth-moving machinery ; vibrated or the like auxiliary rolls, e.g. for rolling road edges; provided with means for facilitating transport
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The invention discloses a vibratory road roller and an amplitude modulation device thereof. The amplitude modulation device comprises an installation shaft, and a fixed eccentric block arranged on the installation shaft, and also includes a movable eccentric block and a limit component. The movable eccentric block is rotatably arranged on the installation shaft; the limit component and the installation shaft are fixedly connected; the movable eccentric block comprises a first limit site and a second limit site; when the installation shaft is rotating clockwise, the first limit site rotates to fit with the limit component; when the installation shaft is rotating anticlockwise, limit component rotates to fit with the second limit site; and the eccentricity of the movable eccentric block is greater than that of the fixed eccentric block. The amplitude modulation device provided by the invention can reduce the wear of rollway surface of the bearing inner race and prolong the service life of the bearing.
Description
Technical field
The present invention relates generally to road surface construction machinery technical field, specifically, relates to a kind of vibratory roller amplitude modulation apparatus, and is provided with the vibratory roller of this amplitude modulation apparatus.
Background technology
Vibratory roller be a kind of for by ground subsoils compacting road building machinery.Amplitude modulation apparatus is the mechanism of the exciting force producing vibratory roller.The amplitude modulation apparatus of prior art generally comprises and is arranged at fixed eccentric block on same axis and movable eccentric block, and wherein fixed eccentric block and axle are without relative motion, and movable eccentric block coordinates with shaft clearance, can relative motion.
The centrifugal force that exciting force is rotated by eccentric and producing, its size rely on the superposition of fixed eccentric block and movable eccentric block and the reverse eccentric throw that formed and rotating speed different and formed.When movable eccentric block overlaps with fixed eccentric block, the eccentricity of the amplitude modulation apparatus that both are formed is: the eccentricity of fixed eccentric block adds the eccentricity of movable eccentric block; When movable eccentric block and fixed eccentric block phase place are 180 degree, the eccentricity formed is: the eccentricity of fixed eccentric block deducts the eccentricity of movable eccentric block.
Adopt the amplitude modulation apparatus structure of aforementioned prior art, no matter movable eccentric block overlaps with fixed eccentric block or deviates from completely mutually, position of centre of gravity is all be positioned at fixed eccentric block side (on same straight line, just the position of centroidal distance center of rotation is different), the centrifugal force direction that then forward and reverse produce also is identical, namely on same straight line.For the bearing supporting amplitude modulation apparatus, the bearing area of bearing inner race is constant all the time, is only positioned at bearing side, and thus cause the one-sided wearing and tearing of bearing large, application life reduces.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of vibratory roller amplitude modulation apparatus, the force-bearing situation of the bearing of this amplitude modulation apparatus can be improved, solve the defect that in prior art, loss is large, application life is short.
Vibratory roller amplitude modulation apparatus of the present invention, comprise installation shaft, and the fixed eccentric block be arranged in described installation shaft, and comprise movable eccentric block and limiting component, described movable eccentric block is rotatably arranged in described installation shaft, described limiting component is fixedly connected with described installation shaft, described movable eccentric block comprises the first limit point and the second limit point, described in when described installation shaft rotates forward, the first limit point turns to and fits with described limiting component, described in during described installation shaft reversion, the second limit point turns to and fits with described limiting component, the eccentricity of described movable eccentric block is greater than the eccentricity of described fixed eccentric block.
Further, when rotating and reverse, the phase difference of described movable eccentric block is 180 °, in the state of one of forward or reverse, and described movable eccentric block and described fixed eccentric block phase coincidence.
Further, described vibratory roller amplitude modulation apparatus also comprises the first side plate be arranged in described installation shaft, and described limiting component is fixed on described first side plate.
Further, described vibratory roller amplitude modulation apparatus also comprises the second side plate, interior girth sheets and outer girth sheets, described first side plate, the second side plate, interior girth sheets and outer girth sheets form airtight cavity, and described movable eccentric block to be set on described interior girth sheets and to be positioned at described cavity.
Further, buffering liquid is filled with in described cavity.
Further, described cavity being provided with perforate, described perforate being provided with the plug screw for closing described perforate.
Further, described limiting component is backing pin, and the upper surface of described backing pin or soffit are fitted with the first limit point of described movable eccentric block or the second limit point respectively.
Further, described limiting component is arranged on described fixed eccentric block.
Further, described movable eccentric block is provided with installing hole, described movable eccentric block by described installing hole movable set in described installation shaft, described installation shaft is provided with connecting key, described installing hole is provided with the keyway coordinated with described connecting key, the width of described keyway is greater than the width of described connecting key.
Further, described fixed eccentric block place plane and described movable eccentric block place plane parallel.
Another aspect of the present invention, also provides a kind of vibratory roller, and described vibratory roller is provided with the vibratory roller amplitude modulation apparatus of aforementioned any one.
Vibratory roller of the present invention and amplitude modulation apparatus thereof, comprise installation shaft, fixed eccentric block, movable eccentric block and limiting component, this fixed eccentric block comprises the first limit point and the second limit point, described in when installation shaft rotates forward, the first limit point and described limiting component are fitted, second limit point described in during reversion and described limiting component are fitted, and the eccentricity of described movable eccentric block is greater than the eccentricity of described fixed eccentric block.The present invention is by being set to the eccentricity of movable eccentric block the eccentricity being greater than fixed eccentric block, the direction of centrifugal force is determined primarily of the position of movable eccentric block, by changing the position of movable eccentric block, the direction of centrifugal force can be changed, thus improve the lubrication of bearing.
Further, in the state of one of forward or reverse, the eccentricity of amplitude modulation apparatus to be added with the eccentricity of fixed eccentric block by movable eccentric block and to obtain; When another state of forward or reverse, the eccentricity of amplitude modulation apparatus is subtracted each other by the eccentricity of movable eccentric block and fixed eccentric block and obtains.Correspondingly, the centrifugal force direction produced when rotating and reverse is contrary, and supporting region bearing carrying two centrifugal force is contrary, thus can slow down the wearing and tearing of bearing inner race roller surface further, extends the application life of bearing.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of vibratory roller amplitude modulation apparatus a state of one embodiment of the invention;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the schematic diagram of vibratory roller amplitude modulation apparatus in another state of one embodiment of the invention;
Fig. 4 is the B-B sectional view of Fig. 3;
Fig. 5 is the bearing area schematic diagram of the bearing of one embodiment of the invention;
Fig. 6 is the structural representation of the cavity of one embodiment of the invention;
Fig. 7 is the C-C sectional view of Fig. 6.
Description of reference numerals:
Installation shaft-1 fixed eccentric block-2
Movable eccentric block-3 limiting component-4
First side plate-5 second side plate-6
The outer girth sheets-8 of interior girth sheets-7
Plug screw-9
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
In the present invention, term " first ", " second " are mainly used in distinguishing different parts, but specifically do not limit parts.
It is the structural representation of the vibratory roller amplitude modulation apparatus of one embodiment of the invention shown in Fig. 1-Fig. 4, it is wherein the schematic diagram of a state wherein shown in Fig. 1, Fig. 2 is the A-A sectional view of Fig. 1, is the schematic diagram in another state shown in Fig. 3, and Fig. 4 is the B-B sectional view of Fig. 3.
The amplitude modulation apparatus of this embodiment is for generation of the exciting force of vibratory roller, and then road pavement ground carries out compacting operation.This embodiment at least comprises installation shaft 1, fixed eccentric block 2, movable eccentric block 3 and limiting component 4.Installation shaft 1 is connected with bearing, stressed by this loading ability of bearing.Fixed eccentric block 2 is arranged in installation shaft 1, and without relative motion between this installation shaft 1, namely this fixed eccentric block 2 along with the rotation of installation shaft 1 synchronous axial system, it is arranged in installation shaft 1 by modes such as assembling, welding.
Aforementioned active eccentric block 3 is installed in rotation in this installation shaft 1, and namely under centrifugal action, this movable eccentric block 3 can rotate relative to installation shaft 1.Aforementioned limiting component 4 is for carrying out spacing to the turned position of movable eccentric block 3, and this limiting component 4 can be arranged in installation shaft 1 directly or indirectly.Preferably, installation shaft 1 is provided with the first side plate 5, limiting component 4 is fixed on this first side plate 5.
Movable eccentric block 3 comprises the first limit point and the second limit point, when installation shaft 1 rotates forward, aforementioned first limit point turns to and fits (state with reference to shown in figure 2) with limiting component 4, and when installation shaft 1 is reversed, aforementioned second limit point turns to and fits (state with reference to shown in figure 4) with limiting component 4.Aforementioned rotating and reverse refers to two contrary rotary states, one of them corresponding clockwise direction, and another is counterclockwise corresponding.First limit point and the second limit point can be the positions such as the end of movable eccentric block, or middle part.
Aforementioned limiting component 4 is fixedly connected with installation shaft 1, can comprise two assemblies, is respectively used to laminating first limit point and the second limit point, to carry out spacing to movable eccentric block 3.Preferably, limiting component 4 is backing pin, and the upper surface of backing pin or soffit are fitted with the first limit point of movable eccentric block 3 or the second limit point respectively.Aforementioned upper surface and soffit refer to two faces being positioned at opposite side, and the quantity of backing pin can be one.When limiting component 4 is arranged on fixed eccentric block 2, technique effect of the present invention can be realized equally.In another kind of scheme, particularly, movable eccentric block 3 is provided with installing hole, movable eccentric block 3 passes through this installing hole movable set in installation shaft 1, installation shaft 1 is provided with connecting key, this installing hole is provided with the keyway coordinated with connecting key, and the width of keyway is greater than the width of connecting key.Like this, by coordinating of active connection and keyway both sides, spacing (namely the both sides of keyway form the first limit point and the second limit point respectively) to movable eccentric block 3 can be realized equally.
In addition, the eccentricity of aforementioned active eccentric block 3 of the present invention is greater than the eccentricity of fixed eccentric block 2.By the eccentricity of movable eccentric block is set to the eccentricity being greater than fixed eccentric block, the direction of centrifugal force is determined primarily of the position of movable eccentric block, by changing the position of movable eccentric block, the direction of centrifugal force can be changed, thus improve the lubrication of bearing.The shape of fixed eccentric block 2 can with reference to technology that is existing and that improve, unlike, this fixed eccentric block 2 can adopt the size less than prior art, less to ensure its eccentricity.The shape entirety of movable eccentric block 3 is the sector structure shown in Fig. 6, and its body can adopt semicircle.
Fixed eccentric block 2 is preferably one with the quantity of movable eccentric block 3.When space allows, fixed eccentric block 2 and movable eccentric block 3 can be positioned at the same plane perpendicular to installation shaft 1.Preferably, fixed eccentric block 2 place plane and movable eccentric block 3 place plane parallel, the orientation namely shown in Fig. 2 and Fig. 4, fixed eccentric block 2 and movable eccentric block 3 one are positioned at left side, another is positioned at right side, and space structures is more reasonable, and is convenient to processing and manufacturing.
In addition, when preferably rotating and reverse, the phase difference of movable eccentric block 3 is 180 °, and in the state of one of forward or reverse, movable eccentric block 3 and fixed eccentric block 2 phase coincidence, can make the direction of the centrifugal force produced during forward and reverse just in time contrary.
In the state of one of forward or reverse, the eccentricity of amplitude modulation apparatus to be added with the eccentricity of fixed eccentric block 2 by movable eccentric block 3 and to obtain; When another state of forward or reverse, the eccentricity of amplitude modulation apparatus to be subtracted each other with the eccentricity of fixed eccentric block 2 by movable eccentric block 3 and obtains.Correspondingly, the centrifugal force direction produced when rotating and reverse is contrary, and supporting region bearing carrying two centrifugal force is contrary.
Be the bearing area schematic diagram of the bearing of one embodiment of the invention shown in Fig. 5, in the state of one of forward or reverse, bearing area is D1, and in another state of forward or reverse, bearing area is D2.As can be seen from the figure, region D1 and D2 is positioned at opposite side, thus can slow down the wearing and tearing of bearing inner race roller surface therebetween on the contrary, extends the application life of bearing, avoids the defect of prior art middle (center) bearing one side bearing.
Movable eccentric block 3 can rotate and limited in open space, and preferably this movable eccentric block 3 is positioned at closed cavity.Be the structural representation of the cavity of one embodiment of the invention shown in Fig. 6, Fig. 7 is the C-C sectional view of Fig. 6.This embodiment comprises the first side plate 5, second side plate 6, interior girth sheets 7 and outer girth sheets 8, overall forms airtight cavity, and movable eccentric block 3 to be set on interior girth sheets 7 and to be positioned at cavity.Certainly, aforementioned limiting component 4 is also positioned at cavity.This cavity is arranged in installation shaft 1 by modes such as assembling, welding.
Sharp impacts between limiting component 4 and movable eccentric block 3, is also filled with buffering liquid in preferred cavity, has certain damping when movable eccentric block 3 is rotated, and improves the reliability and stability of amplitude modulation apparatus motion.Buffering liquid can be preset in cavity in the fabrication process, preferably, cavity is provided with perforate, this perforate is provided with the plug screw 9 for closed opening hole, after opening plug screw 9, can carry out supplementing or changing to the buffering liquid in cavity.
Except the vibratory roller amplitude modulation apparatus of previous embodiment, the present invention also provides a kind of vibratory roller being provided with this amplitude modulation apparatus.Other structure such as steel wheel, the driver's cabin etc. of vibratory roller with reference to technology that is existing and that improve, can not repeat this herein.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a vibratory roller amplitude modulation apparatus, comprise installation shaft (1), and the fixed eccentric block (2) be arranged in described installation shaft (1), it is characterized in that, also comprise movable eccentric block (3) and limiting component (4), described movable eccentric block (3) is rotatably arranged in described installation shaft (1), described limiting component (4) is fixedly connected with described installation shaft (1), described movable eccentric block (3) comprises the first limit point and the second limit point, described in when described installation shaft (1) rotates forward, the first limit point turns to and fits with described limiting component (4), described in during described installation shaft (1) reversion, the second limit point turns to and fits with described limiting component (4), the eccentricity of described movable eccentric block (3) is greater than the eccentricity of described fixed eccentric block (2).
2. vibratory roller amplitude modulation apparatus according to claim 1, it is characterized in that, when rotating and reverse, the phase difference of described movable eccentric block (3) is 180 °, in the state of one of forward or reverse, described movable eccentric block (3) and described fixed eccentric block (2) phase coincidence.
3. vibratory roller amplitude modulation apparatus according to claim 1, it is characterized in that, also comprise the first side plate (5) be arranged in described installation shaft (1), described limiting component (4) is fixed on described first side plate (5).
4. vibratory roller amplitude modulation apparatus according to claim 3, it is characterized in that, also comprise the second side plate (6), interior girth sheets (7) and outer girth sheets (8), described first side plate (5), the second side plate (6), interior girth sheets (7) and outer girth sheets (8) form airtight cavity, and described movable eccentric block (3) is set in described interior girth sheets (7) and goes up and be positioned at described cavity.
5. vibratory roller amplitude modulation apparatus according to claim 4, is characterized in that, is filled with buffering liquid in described cavity.
6. vibratory roller amplitude modulation apparatus according to claim 5, is characterized in that, described cavity is provided with perforate, described perforate is provided with the plug screw (9) for closing described perforate.
7. vibratory roller amplitude modulation apparatus according to claim 1, is characterized in that, described limiting component (4) is arranged on described fixed eccentric block (2).
8. vibratory roller amplitude modulation apparatus according to claim 1, it is characterized in that, described movable eccentric block (3) is provided with installing hole, described movable eccentric block (3) by described installing hole movable set in described installation shaft (1), (1) is provided with connecting key to described installation shaft, described installing hole is provided with the keyway coordinated with described connecting key, the width of described keyway is greater than the width of described connecting key.
9. the vibratory roller amplitude modulation apparatus according to any one of claim 1-7, is characterized in that, described fixed eccentric block (2) place plane and described movable eccentric block (3) place plane parallel.
10. a vibratory roller, is characterized in that, described vibratory roller is provided with the vibratory roller amplitude modulation apparatus described in any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510711900.1A CN105350434B (en) | 2015-10-28 | 2015-10-28 | A kind of vibrated roller and its amplitude modulation apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510711900.1A CN105350434B (en) | 2015-10-28 | 2015-10-28 | A kind of vibrated roller and its amplitude modulation apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105350434A true CN105350434A (en) | 2016-02-24 |
| CN105350434B CN105350434B (en) | 2017-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510711900.1A Active CN105350434B (en) | 2015-10-28 | 2015-10-28 | A kind of vibrated roller and its amplitude modulation apparatus |
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| Country | Link |
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| CN (1) | CN105350434B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110565481A (en) * | 2019-09-03 | 2019-12-13 | 徐工集团工程机械股份有限公司道路机械分公司 | Vibration eccentric structure of road roller |
| CN112064459A (en) * | 2020-09-11 | 2020-12-11 | 费鑫杰 | Vibratory roller capable of adjusting weight of roller for road surface and use method |
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| CN2377278Y (en) * | 1999-02-05 | 2000-05-10 | 徐州工程机械制造厂 | Automatic vibration and oscillation switching mechanism for roller |
| CN202644354U (en) * | 2012-07-09 | 2013-01-02 | 池州腾虎机械科技有限公司 | Vibrator vibrating mechanism of vibratory roller capable of regulating eccentricity continuously |
| WO2014175787A1 (en) * | 2013-04-25 | 2014-10-30 | Volvo Construction Equipment Ab | Assembly for vibrating a compacting drum of a compacting machine |
| 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 |
| CN204276316U (en) * | 2014-10-22 | 2015-04-22 | 徐工集团工程机械股份有限公司道路机械分公司 | A kind of separate type Dual amplitudes exciting device |
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2015
- 2015-10-28 CN CN201510711900.1A patent/CN105350434B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2377278Y (en) * | 1999-02-05 | 2000-05-10 | 徐州工程机械制造厂 | Automatic vibration and oscillation switching mechanism for roller |
| CN202644354U (en) * | 2012-07-09 | 2013-01-02 | 池州腾虎机械科技有限公司 | Vibrator vibrating mechanism of vibratory roller capable of regulating eccentricity continuously |
| WO2014175787A1 (en) * | 2013-04-25 | 2014-10-30 | Volvo Construction Equipment Ab | Assembly for vibrating a compacting drum of a compacting machine |
| 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 |
| CN204276316U (en) * | 2014-10-22 | 2015-04-22 | 徐工集团工程机械股份有限公司道路机械分公司 | A kind of separate type Dual amplitudes exciting device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110565481A (en) * | 2019-09-03 | 2019-12-13 | 徐工集团工程机械股份有限公司道路机械分公司 | Vibration eccentric structure of road roller |
| CN110565481B (en) * | 2019-09-03 | 2024-05-24 | 徐工集团工程机械股份有限公司道路机械分公司 | Vibration eccentric structure of road roller |
| CN112064459A (en) * | 2020-09-11 | 2020-12-11 | 费鑫杰 | Vibratory roller capable of adjusting weight of roller for road surface and use method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105350434B (en) | 2017-11-24 |
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Denomination of invention: Vibratory road roller and amplitude modulation device thereof Effective date of registration: 20191230 Granted publication date: 20171124 Pledgee: Business Department of Hunan Branch of China Construction Bank Co., Ltd. Pledgor: Hunan Sany Road Machinery Co., Ltd. Registration number: Y2019430000071 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
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Date of cancellation: 20211217 Granted publication date: 20171124 Pledgee: Business Department of Hunan Branch of China Construction Bank Co.,Ltd. Pledgor: HUNAN SANY ROAD MACHINERY Co.,Ltd. Registration number: Y2019430000071 |