CN113512925B - Vibration excitation device of electric road roller based on adjustable amplitude - Google Patents
Vibration excitation device of electric road roller based on adjustable amplitude Download PDFInfo
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- CN113512925B CN113512925B CN202110767590.0A CN202110767590A CN113512925B CN 113512925 B CN113512925 B CN 113512925B CN 202110767590 A CN202110767590 A CN 202110767590A CN 113512925 B CN113512925 B CN 113512925B
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- road roller
- bevel gear
- eccentric block
- rotating shaft
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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
- E01C19/286—Vibration or impact-imparting means; Arrangement, mounting or adjustment thereof; Construction or mounting of the rolling elements, transmission or drive thereto, e.g. to vibrator mounted inside the roll
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- Structural Engineering (AREA)
- Road Paving Machines (AREA)
Abstract
The invention discloses an amplitude-adjustable-based excitation device of an electric road roller, and relates to an excitation device of an electric road roller, which comprises a road roller wheel body, wherein a support frame seat body is arranged in the road roller wheel body and at the position of a front frame of the road roller, an excitation motor is arranged in the middle of the support frame seat body, a transmission rotating shaft is arranged at the output end of the excitation motor, the transmission rotating shaft horizontally extends into an inner cylinder body, the outer wall of the inner cylinder body is connected with the inner wall of the road roller wheel body through a connecting plate body, the transmission rotating shaft is connected with a third eccentric block through a third connecting key, and a balance weight part is arranged on the side part of the third eccentric block and at the interval in the inner cylinder body. The invention has compact integral structure, smaller volume, symmetrical distribution structure of the balancing weight, strong load capacity, small energy consumption loss when being used for the electric road roller and capability of reducing vibration disturbance in the horizontal direction to the maximum extent.
Description
Technical Field
The invention relates to an excitation device of an electric road roller, in particular to an excitation device of an electric road roller based on adjustable amplitude.
Background
The road roller belongs to the field of road equipment in engineering machinery, is widely used for the filling compaction operation of large engineering projects such as high-grade highways, railways, airport runways, dams, stadiums and the like, and can roll sandy, semi-viscous and viscous soil, roadbed stabilized soil and asphalt concrete pavement layers. The road roller is suitable for various compaction operations under the action of the gravity of machinery, so that a compacted layer is permanently deformed and compacted, and the road roller is divided into a steel wheel type road roller and a tire type road roller.
The vibration exciter is a device which is attached to some machines and equipment and is used for generating exciting force, and is an important part utilizing mechanical vibration, and can make the excited object obtain vibration quantity with a certain form and size so as to make vibration operation on the object, and the vibration exciter can also be used as an exciting part to form a vibration machine for implementing the work of conveying, screening, compacting and forming material or object, tamping soil sand and stone and the like. The vibration exciters are classified into inertial type electric, electromagnetic type, electrohydraulic type, pneumatic type, and hydraulic type according to the excitation type. The exciter can generate unidirectional or multidirectional, simple harmonic or non-simple harmonic exciting force.
The existing excitation device for the electric road roller has the following technical problems: the existing traditional vibratory roller has the advantages that in the vibratory compaction process, the vibratory wheel can generate acting forces in four directions, namely the front direction and the rear direction, on the ground, the vibratory wheel can play the largest compaction role on the ground only by the acting force in the vertical direction to achieve the compaction purpose, the acting force in the horizontal direction enables the vibratory wheel to generate vibratory disturbance in the horizontal plane to influence the walking stability of the roller, the abrasion of the vibratory steel wheel is accelerated, particularly, the vibratory excitation device module is applied to an electric roller, the energy consumption loss of the electric roller is larger by the vibration in the horizontal direction, the walking stability of the electric roller is greatly influenced, and the whole machine endurance of the electric roller is more unfavorable, so that the driver can make targeted improvement on the vibratory excitation device module part of the electric roller aiming at the series of problems.
Through the retrieval, the applicant is Qingdao science and technology university, application number CN201720890897.9, application date is 20170721's a road roller stepless amplitude modulation excitation device, it discloses following technical content, the utility model relates to a road roller stepless amplitude modulation excitation device, the excitation mechanism in the inner cylinder of vibration wheel includes two sets of vibration exciters, hydraulic motor, and their structure is identical, the vibration exciter comprises excitation shaft A, rotatory section of thick bamboo, eccentric block, excitation shaft B, fixed block, the eccentric block is located excitation shaft A with the sealed intracavity that excitation shaft B encloses, adjusts the messenger through the oil pressure and the direction of outside hydraulic control system in the sealed intracavity the eccentric block produces off-centre, produces the exciting force. The utility model has the advantages that: the rotary connecting cylinder and the excitation shaft are integrated, so that the length of the whole excitation mechanism is effectively shortened, the production cost is reduced, and two modes of vertical excitation and horizontal excitation can be realized. The technical problem that the vibration wheels generate vibration disturbance in the horizontal plane due to the acting force in the horizontal direction cannot be solved, particularly under the condition of being applied to an electric road roller, the technical scheme of the patent is quite different, and the beneficial effect of the technical scheme of the application cannot be achieved, so that the novelty and the creativity of the application are not damaged.
Disclosure of Invention
The invention aims to solve the problems, and provides an excitation device of an electric road roller based on adjustable amplitude, which has a compact integral structure, a small volume, a symmetrical distribution structure of balancing weights, strong load capacity, small energy consumption loss for the electric road roller, capability of reducing vibration disturbance in the horizontal direction to the maximum extent, easy installation, disassembly and maintenance operation, and a balance weight part, and effectively plays a role in balancing the vibration disturbance in the horizontal direction in the excitation operation process of the whole device, thereby meeting the actual requirements of enterprises on the development of the electric road roller and solving a great important problem in the research and development process of the electric road roller.
In order to realize the purpose, the invention adopts the technical scheme that: based on electronic road roller vibration excitation device of amplitude adjustable, including the road roller wheel body, frame position department sets up a frame pedestal before the road roller in the road roller wheel body, frame pedestal middle part is provided with excitation motor, excitation motor output is provided with the transmission pivot, it is internal that transmission pivot level stretches into the inner tube, inner tube outer wall is connected with road roller wheel internal wall through the connecting plate body, be connected with the third eccentric block through the third connection key in the transmission pivot, third eccentric block lateral part just sets up balanced counter weight portion in the inside interval of inner tube, the installation sets up initiative bevel gear in the transmission pivot, initiative bevel gear and first driven bevel gear meshing transmission, first driven bevel gear and second driven bevel gear meshing transmission, second driven bevel gear lateral part sets up the second eccentric block, one side that initiative bevel gear was kept away from to the second eccentric block sets up first eccentric block, first eccentric block passes through first connection key fixed the setting in the transmission pivot.
As a further optimization of the invention, a connecting sleeve body is arranged on the side part of the second driven bevel gear facing the second eccentric block, and the outer wall of the connecting sleeve body is connected with the second eccentric block through a second connecting key.
As a further optimization of the invention, the transmission rotating shaft penetrates through the middle part of the connecting sleeve body, and the connecting sleeve body is not contacted with the transmission rotating shaft.
As a further optimization of the invention, the balance weight part comprises a connecting bridge frame body arranged in the inner cylinder body, the end part of the connecting bridge frame body is fixed on the inner surface of the inner cylinder body through a bolt, a balance shell is arranged at the side part of the connecting bridge frame body, a guide rod body is vertically arranged in the balance shell, and a balance block body playing a balance role is movably arranged on the guide rod body.
As a further optimization of the invention, the end parts of the balancing blocks and the guide rod bodies are symmetrically provided with the spring bodies.
As a further optimization of the invention, the middle part of the connecting bridge frame body is provided with a cover sleeve body, a bearing is arranged between the cover sleeve body and the transmission rotating shaft, and the end part of the cover sleeve body is connected with an end cover body through a bolt.
As a further optimization of the invention, the balance shells are symmetrically arranged at the side part of the connecting bridge body, and the number of the balance shells is two or four.
As a further optimization of the invention, the first driven bevel gear is arranged at one end of the supporting shaft body, the other end of the supporting shaft body is arranged in the supporting seat body, and the supporting seat body is arranged on the inner surface of the inner cylinder body.
The invention has the beneficial effects that: the invention provides an excitation device of an electric road roller based on adjustable amplitude, which has the advantages of compact overall structure, small volume, symmetrical distribution structure of balancing weights, strong load capacity, small energy consumption loss for the electric road roller, capability of reducing vibration disturbance in the horizontal direction to the maximum extent, easiness in installation, disassembly and maintenance operation, and capability of effectively balancing the vibration disturbance in the horizontal direction in the excitation operation process of the whole device, meeting the actual requirements of enterprises on the development of the electric road roller and solving a great important problem in the research and development process of the electric road roller.
1. The invention is provided with a third eccentric block, a first eccentric block and a second eccentric block, and drives an excitation motor, wherein the third eccentric block, the first eccentric block and a driving bevel gear rotate in the same direction, a driving bevel gear is in meshing transmission with a first driven bevel gear, the first driven bevel gear is in meshing transmission with a second driven bevel gear, the second driven bevel gear rotates in a direction opposite to that of the driving bevel gear, the rotating direction of the third eccentric block and the rotating direction of the first eccentric block are opposite to that of the second eccentric block, the centrifugal forces generated by the third eccentric block and the first eccentric block in the horizontal direction are opposite in direction and equal in magnitude, and the centrifugal forces generated in the vertical direction are superposed, so that the acting force in the vertical direction is superposed to the maximum extent while the vibration disturbance in the horizontal direction is counteracted, thereby the wheel body of the electric road roller is easier to press the road surface, and the energy loss can be reduced, the integral endurance of the electric road roller is improved.
2. The balance weight part is arranged, the guide rod body is vertically arranged in the balance shell, the guide rod body is movably provided with a balance block body for playing a balance role, the balance block body can do linear motion along the guide rod body under the condition that the whole device is subjected to uneven road surfaces or external pressure, the spring body absorbs, buffers and balances, the acting force of the road roller wheel body is balanced under the condition that the balance weight part is large in size, and the balance block body can reset and play a role in absorbing vibration and buffering due to the spring body.
Drawings
Fig. 1 is a schematic front view of the present invention.
FIG. 2 is a schematic view of the balance weight position of the present invention.
FIG. 3 is a schematic view of the structure of the position of the transmission shaft in the present invention.
The text labels in the figures are represented as: 1. an excitation motor; 2. a bracket frame seat body; 3. connecting the frame body; 4. an inner cylinder; 5. a road roller wheel body; 6. connecting the plate bodies; 7. a balance weight portion; 8. a support base; 9. a support shaft body; 10. a first driven bevel gear; 11. a first connecting key; 12. a first eccentric mass; 13. a second driven bevel gear; 14. connecting the sleeve body; 15. a second connecting key; 16. a second eccentric mass; 17. a drive bevel gear; 18. an end cap body; 19. a cap body; 20. a third eccentric mass; 21. a third connecting key; 22. a transmission rotating shaft; 701. a balance housing; 702. a guide rod body; 703. a spring body; 704. connecting the bridge body; 705. a balancing mass.
Detailed Description
The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.
As shown in fig. 1 to 3, the specific structure of the present invention is: an electric road roller vibration excitation device based on adjustable amplitude comprises a road roller wheel body 5, a support frame seat body 2 is arranged in the road roller wheel body 5 and at the position of a front frame of a road roller, a vibration excitation motor 1 is arranged in the middle of the support frame seat body 2, a transmission rotating shaft 22 is arranged at the output end of the vibration excitation motor 1, the transmission rotating shaft 22 horizontally extends into an inner cylinder body 4, the outer wall of the inner cylinder body 4 is connected with the inner wall of the road roller wheel body 5 through a connecting plate body 6, the transmission rotating shaft 22 is connected with a third eccentric block 20 through a third connecting key 21, a balance weight part 7 is arranged at the side part of the third eccentric block 20 and at the inner part of the inner cylinder body 4 at intervals, a driving bevel gear 17 is arranged on the transmission rotating shaft 22, the driving bevel gear 17 is in meshing transmission with a first driven bevel gear 10, the first driven bevel gear 10 is in meshing transmission with a second driven bevel gear 13, a second eccentric block 16 is arranged at the side part of the second driven bevel gear 13, a first eccentric block 12 is arranged at one side of the second eccentric block 16 far away from the driving bevel gear 17, the first eccentric block 12 is fixedly arranged on the transmission rotating shaft 22 through a first connecting key 11.
As a preferred embodiment of the present invention, in order to facilitate the device to mutually cancel the acting force in the horizontal direction as a whole, a connecting sleeve 14 is provided on the side of the second driven bevel gear 13 facing the second eccentric block 16, the second eccentric block 16 is provided on the outer wall of the connecting sleeve 14 through a second connecting key 15, the excitation motor 1 is driven, the third eccentric block 20, the first eccentric block 12 and the drive bevel gear 17 perform the rotation motion in the same direction, the drive bevel gear 17 is in meshing transmission with the first driven bevel gear 10, the first driven bevel gear 10 is in meshing transmission with the second driven bevel gear 13, the second driven bevel gear 13 performs the rotation motion in the opposite direction to the drive bevel gear 17, the rotation direction of the third eccentric block 20 and the first eccentric block 12 is opposite to the rotation direction of the second eccentric block 16, and the centrifugal forces generated by the three blocks in the horizontal direction are opposite and equal in magnitude, and the centrifugal force that produces in the vertical direction superposes mutually to superpose the effort in the vertical direction in the at utmost when offsetting the ascending vibration disturbance of horizontal direction, thereby make electric road roller wheel body 5 compress tightly the road surface more easily, can also reduce energy loss, improve electric road roller whole continuation of journey.
As a preferred embodiment of the present invention, in order to facilitate the rotation of the third eccentric block 20 and the first eccentric block 12 in the opposite direction to the rotation of the second eccentric block 16, the transmission rotation shaft 22 passes through the middle of the connecting sleeve body 14, and the connecting sleeve body 14 is not in contact with the transmission rotation shaft 22.
As a preferred embodiment of the present invention, in order to facilitate the realization of further reducing the interference of vibration in the horizontal direction, the balance weight part 7 includes a connecting bridge body 704 disposed in the inner cylinder 4, the end of the connecting bridge body 704 is fixed on the inner surface of the inner cylinder 4 by a bolt, a balance housing 701 is disposed at the side of the connecting bridge body 704, a guide rod body 702 is vertically disposed inside the balance housing 701, a balance block 705 for balancing is movably disposed on the guide rod body 702, the balance block 705 can move linearly along the guide rod body 702 when the whole device is subjected to an uneven road surface or external pressure, meanwhile, the spring body 703 absorbs the buffer and balances, the whole balance weight part 7 can balance the acting force of the road roller wheel body 5 under the condition of larger amplitude, while the spring body 703 allows the balance mass 705 to reset and act as a shock absorber and cushion.
As a preferred embodiment of the present invention, in order to further reduce the interference of vibration in the horizontal direction, the end of the balancing block 705 is symmetrically provided with the spring body 703 on the guide rod body 702.
As a preferred embodiment of the present invention, in order to facilitate easy detachment and connection between the cover 19 and the transmission shaft 22, the cover 19 is disposed in the middle of the connecting bridge 704, a bearing is disposed between the cover 19 and the transmission shaft 22, and the end of the cover 19 is connected to the end cover 18 by a bolt.
As a preferred embodiment of the present invention, in order to facilitate further reducing the interference of the vibration in the horizontal direction, the balance housing 701 is symmetrically disposed at the side of the connecting bridge body 704, and the number of the disposed balance housings is two or four.
As a preferred embodiment of the present invention, in order to facilitate the installation of the first driven bevel gear 10, the first driven bevel gear 10 is disposed at one end of the support shaft body 9, the other end of the support shaft body 9 is disposed in the support base body 8, and the support base body 8 is disposed on the inner surface of the inner cylinder 4.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.
Claims (7)
1. The vibration excitation device of the electric road roller based on adjustable amplitude is characterized by comprising a road roller wheel body (5), a support frame seat body (2) is arranged in the road roller wheel body (5) and at the position of a front frame of the road roller, a vibration excitation motor (1) is arranged in the middle of the support frame seat body (2), a transmission rotating shaft (22) is arranged at the output end of the vibration excitation motor (1), the transmission rotating shaft (22) horizontally extends into an inner cylinder body (4), the outer wall of the inner cylinder body (4) is connected with the inner wall of the road roller wheel body (5) through a connecting plate body (6), the transmission rotating shaft (22) is connected with a third eccentric block (20) through a third connecting key (21), a balance weight part (7) is arranged at the side part of the third eccentric block (20) and at an internal interval of the inner cylinder body (4), a driving bevel gear (17) is arranged on the transmission rotating shaft (22), and the driving bevel gear (17) is meshed with a first driven bevel gear (10), first driven bevel gear (10) and second driven bevel gear (13) meshing transmission, second driven bevel gear (13) lateral part sets up second eccentric block (16), one side that initiative bevel gear (17) was kept away from in second eccentric block (16) sets up first eccentric block (12), first eccentric block (12) are fixed to be set up on transmission shaft (22) through first connection key (11), balance weight portion (7) are including setting up connection bridge body (704) in interior barrel (4), the internal surface of barrel (4) in the bolt fastening is passed through to the tip of connection bridge body (704), connection bridge body (704) lateral part sets up balanced casing (701), the inside vertical guide bar body (702) that sets up of balanced casing (701), the activity sets up balanced block body (705) that play the balanced effect on guide bar body (702).
2. The excitation device for the electric road roller with the adjustable amplitude as claimed in claim 1, wherein a connecting sleeve body (14) is arranged on the side of the second driven bevel gear (13) facing the second eccentric block (16), and the second eccentric block (16) is connected and arranged on the outer wall of the connecting sleeve body (14) through a second connecting key (15).
3. The excitation device for the electric road roller with the adjustable amplitude as claimed in claim 2, wherein the transmission rotating shaft (22) penetrates through the middle of the connecting sleeve body (14), and the connecting sleeve body (14) is not in contact with the transmission rotating shaft (22).
4. The excitation device for the electric road roller with the adjustable amplitude as claimed in claim 1, wherein the end of the balancing block (705) is symmetrically provided with the spring body (703) on the guide rod body (702).
5. The excitation device of the electric road roller based on the adjustable amplitude as claimed in claim 1, wherein a cover body (19) is arranged in the middle of the connecting bridge body (704), a bearing is arranged between the cover body (19) and the transmission rotating shaft (22), and an end cover body (18) is arranged at the end part of the cover body (19) through bolt connection.
6. The excitation device for the electric road roller with the adjustable amplitude as claimed in claim 1, wherein the balance shell (701) is symmetrically arranged at the side of the connecting bridge body (704), and the number of the balance shell is two or four.
7. The excitation device for the electric road roller with the adjustable amplitude as claimed in claim 1, wherein the first driven bevel gear (10) is arranged at one end of a support shaft body (9), the other end of the support shaft body (9) is arranged in a support seat body (8), and the support seat body (8) is arranged on the inner surface of the inner cylinder body (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110767590.0A CN113512925B (en) | 2021-07-07 | 2021-07-07 | Vibration excitation device of electric road roller based on adjustable amplitude |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110767590.0A CN113512925B (en) | 2021-07-07 | 2021-07-07 | Vibration excitation device of electric road roller based on adjustable amplitude |
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| CN113512925A CN113512925A (en) | 2021-10-19 |
| CN113512925B true CN113512925B (en) | 2022-09-27 |
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| CN202110767590.0A Active CN113512925B (en) | 2021-07-07 | 2021-07-07 | Vibration excitation device of electric road roller based on adjustable amplitude |
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| EP0459063A1 (en) * | 1990-05-28 | 1991-12-04 | Caterpillar Paving Products Inc. | Apparatus and method for controlling the frequency of vibration of a compacting machine |
| CN104805756A (en) * | 2015-03-31 | 2015-07-29 | 徐工集团工程机械股份有限公司道路机械分公司 | Built-in vertical vibrating wheel for reversing mechanism |
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| EP3833819A1 (en) * | 2018-08-10 | 2021-06-16 | Volvo Construction Equipment AB | Directional vibration control apparatus for compactor drum with single eccentric |
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| BE696003A (en) * | 1966-03-30 | 1967-09-01 | ||
| CN101503873B (en) * | 2008-12-04 | 2011-02-09 | 合肥永安绿地工程机械有限公司 | Eccentric vibrating mechanism |
| CN101649595A (en) * | 2009-06-30 | 2010-02-17 | 成都市宇中梅科技有限责任公司 | Vibrating type road roller |
| UA101518C2 (en) * | 2011-03-21 | 2013-04-10 | Дніпропетровський Національний Університет Залізничного Транспорту Імені Академіка В. Лазаряна | Soil compressing machine |
| CN102094378B (en) * | 2011-03-23 | 2012-08-29 | 三一重工股份有限公司 | Amplitude modulation excitation mechanism and amplitude modulation component |
| JP2013014984A (en) * | 2011-07-06 | 2013-01-24 | Hitachi Constr Mach Co Ltd | Compaction roller for vibration roller vehicle, and method of manufacturing the same |
| CN105887939B (en) * | 2016-06-21 | 2018-06-15 | 刘元雪 | A kind of energy dissipating oscillator, standing wave area power guard system and method |
| CN206385432U (en) * | 2017-01-06 | 2017-08-08 | 湖南中大机械制造有限责任公司 | The exciting device of vertical vibration roller |
| CN107916608B (en) * | 2017-11-16 | 2019-08-30 | 太原理工大学 | The exciting device of vertical vibration roller |
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2021
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0459063A1 (en) * | 1990-05-28 | 1991-12-04 | Caterpillar Paving Products Inc. | Apparatus and method for controlling the frequency of vibration of a compacting machine |
| CN104805756A (en) * | 2015-03-31 | 2015-07-29 | 徐工集团工程机械股份有限公司道路机械分公司 | Built-in vertical vibrating wheel for reversing mechanism |
| EP3833819A1 (en) * | 2018-08-10 | 2021-06-16 | Volvo Construction Equipment AB | Directional vibration control apparatus for compactor drum with single eccentric |
| CN110656556A (en) * | 2019-10-12 | 2020-01-07 | 王汉君 | Road device is pressed in vibrations of highway construction usefulness |
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