CN107130498B - Road roller vibration exciter with adjustable vibration state - Google Patents
Road roller vibration exciter with adjustable vibration state Download PDFInfo
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- CN107130498B CN107130498B CN201710480723.XA CN201710480723A CN107130498B CN 107130498 B CN107130498 B CN 107130498B CN 201710480723 A CN201710480723 A CN 201710480723A CN 107130498 B CN107130498 B CN 107130498B
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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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- Road Paving Machines (AREA)
Abstract
The invention belongs to the technical field of vibratory rollers, and particularly relates to a vibration exciter of a roller with adjustable vibration state. The vibration exciter comprises a vibration exciting support, wherein a first fixed shaft and a second fixed shaft are arranged in the vibration exciting support, the first fixed shaft and the second fixed shaft are arranged in parallel and synchronously and reversely rotate, a first fixed eccentric block and a second movable eccentric block are arranged on the first fixed shaft and the second fixed shaft, and the arrangement structures of the first fixed shaft and the second fixed eccentric block and the second movable eccentric block enable the vibration exciter to be in a pure vibration compaction state or a state combining vibration compaction and swing compaction. By adjusting the mass distribution of the fixed eccentric block and the movable eccentric block and adjusting the arrangement position and the installation mode of the movable eccentric block on the fixed shaft, the invention not only can vertically superpose the ground and directionally vibrate up and down, but also has the swing compaction effect caused by torque synergy, thereby better compacting the roadbed.
Description
Technical Field
The invention belongs to the technical field of vibratory rollers, and particularly relates to a vibration exciter of a roller with adjustable vibration state.
Background
In order to better compact the roadbed, the vibration road roller in the prior art generally adopts two amplitudes, namely large amplitude and small amplitude, to tamp the roadbed. However, only the tamping in the direction perpendicular to the ground is often difficult to achieve a good compacting effect, especially for roadbeds with large vehicle flow or heavy-duty vehicles passing through, so that the vibration mechanism of the existing vibratory roller cannot meet the practical requirement, and improvement is urgently needed.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a road roller vibration exciter with adjustable vibration state. The vibration exciter of the road roller can provide vibration tamping in the direction vertical to the ground and also can provide a swinging compaction effect, so that the roadbed can be firmer.
In order to solve the problems, the invention adopts the following technical scheme:
the road roller vibration exciter with the adjustable vibration state comprises a vibration excitation support, wherein a first fixing shaft and a second fixing shaft are arranged in the vibration excitation support, the first fixing shaft and the second fixing shaft are arranged in parallel and rotate synchronously and reversely, a first fixing eccentric block and a second fixing shaft are arranged on the first fixing shaft and the second fixing shaft respectively, and the vibration exciter is in a pure vibration compaction state or a state combining vibration compaction with swing compaction due to arrangement structures of the first fixing shaft and the second fixing eccentric block and the second movable eccentric block.
Preferably, a plane formed by the first fixing shaft and the second fixing shaft is a horizontal plane.
Preferably, the first fixed shaft, the fixed eccentric block and the movable eccentric block arranged on the first fixed shaft form a first vibration unit, and the second fixed shaft, the fixed eccentric block and the movable eccentric block arranged on the second fixed shaft form a second vibration unit; the first vibration unit and the second vibration unit are centrosymmetric about a central axis of the vibration exciter.
Preferably, a first fixed eccentric block and a second fixed eccentric block are fixedly arranged at two ends of the first fixed shaft respectively, and a movable eccentric block is further sleeved and fixed on the first fixed shaft; a first fixed eccentric block and a second fixed eccentric block are fixedly arranged at two ends of the second fixed shaft respectively, and a movable eccentric block is further sleeved and fixed on the second fixed shaft; the arrangement position of the movable eccentric block on the first fixed shaft and the arrangement position of the movable eccentric block on the second fixed shaft deviate from the central position of each fixed shaft.
Preferably, the mass of the first fixed eccentric block and the mass of the second fixed eccentric block are equal.
Preferably, the mass of the first fixed eccentric block is smaller than that of the second fixed eccentric block.
Preferably, the movable eccentric block on the first fixed shaft is arranged at one side of the first fixed eccentric block close to the first fixed shaft; and the movable eccentric block on the second fixed shaft is arranged at one side close to the first fixed eccentric block on the second fixed shaft.
As one of the preferred schemes of the invention, when the vibrating motor drives the synchronous reversing mechanism to operate and then drives the fixed shaft to rotate forwards, the corresponding fixed shaft rotates backwards synchronously, so that the eccentric blocks on the two fixed shafts vertically superpose on the ground to vibrate directionally up and down, meanwhile, the two movable eccentric blocks arranged on the two fixed shafts in a crossed way generate clockwise torque on the horizontal plane, the two fixed eccentric blocks I and the two fixed eccentric blocks II arranged on the two fixed shafts generate anticlockwise torque on the horizontal plane, and the clockwise torque and the anticlockwise torque are equal and offset.
According to another preferred scheme of the invention, when the vibration motor drives the synchronous reversing mechanism to operate and then drives the first fixed shaft to rotate reversely, the corresponding second fixed shaft rotates synchronously forward, so that the eccentric blocks on the two fixed shafts vertically superpose on the ground to vibrate in an up-and-down directional manner, meanwhile, the two movable eccentric blocks crosswise arranged on the two fixed shafts generate anticlockwise torque on a horizontal plane, the first fixed eccentric block and the second fixed eccentric block arranged on the two fixed shafts generate anticlockwise torque on the horizontal plane, and the two anticlockwise torques in the same direction are superposed, so that the vibration generated by the vibration exciter not only has up-and-down vibration compaction, but also has swinging compaction caused by the torque.
Preferably, a left support bearing and a right support bearing for fixedly mounting the vibration exciter in the steel wheel are respectively arranged on two sides of the vibration exciter, the left support bearing is mounted on the steel wheel through a left outer vibration bearing seat, and the right support bearing is mounted on the steel wheel through a right outer vibration bearing seat; the left outer vibration bearing seat and the right outer vibration bearing seat are in limit fixing and connection through an upper fixed connection round shaft and a lower fixed connection round shaft.
The invention has the beneficial effects that:
1) The invention provides a vibration exciter, which is characterized in that a first fixed shaft and a second fixed shaft which are arranged in parallel are arranged in the vibration exciter, and a fixed eccentric block and a movable eccentric block are arranged on the first fixed shaft and the second fixed shaft. Through the mass distribution of adjusting fixed eccentric block and activity eccentric block to and adjust the setting position and the mounting means of activity eccentric block on the fixed axle, can realize two kinds as follows vibration compaction effect: first, the torque generated by the rotation of the fixed eccentric blocks on the first fixed shaft and the second fixed shaft and the torque generated by the rotation of the movable eccentric blocks are equal and offset, so that all the eccentric blocks (including the fixed eccentric blocks and the movable eccentric blocks) on the first fixed shaft and the second fixed shaft vertically superpose up-down directional vibration on the ground; secondly, the torque generated by the rotation of the fixed eccentric blocks on the first fixed shaft and the second fixed shaft and the torque generated by the rotation of the movable eccentric blocks are mutually superposed to increase the efficiency, so that all the eccentric blocks (including the fixed eccentric blocks and the movable eccentric blocks) on the first fixed shaft and the second fixed shaft not only vertically superpose and directionally vibrate up and down on the ground, but also have the swinging and compacting effects generated by the torque increase.
The invention has simple structure and easy production and manufacture, and really realizes the simultaneous action of directional vibration and swing compaction vibration, thereby better compacting the roadbed.
2) The left outer vibration bearing seat and the right outer vibration bearing seat are limited, fixed and connected through an upper fixed connection round shaft and a lower fixed connection round shaft, the upper fixed connection round shaft and the lower fixed connection round shaft are parallel to each other, and a plane formed by the upper fixed connection round shaft and the lower fixed connection round shaft is perpendicular to a plane formed by the first fixed shaft and the second fixed shaft. Compared with the connecting mode of a traditional vibration exciter cylinder, the limiting connecting mode not only simplifies the structure, but also greatly improves the assembly visibility.
Drawings
Fig. 1 is a schematic structural view of the exciter of the road roller.
Fig. 2 is a schematic structural diagram of a vibration exciter in a pure vertical vibration state.
Fig. 3 is a schematic view of the vibration exciter of the present invention for achieving both vertical vibration and oscillatory compaction.
Fig. 4 is a schematic view showing the installation state of the upper fixedly-connected circular shaft and the lower fixedly-connected circular shaft.
Reference numerals are as follows:
1-steel wheel 2-left outer vibration bearing seat 3-left support bearing 4-left inner vibration bearing seat
5-vibrating bearing 6-eccentric block-7-eccentric block fixing pin
8-eccentric block fixing shaft I9-spacer ring I10-movable eccentric block I11-limiting block
12-spacer ring two 13-fixed eccentric block two 14-gear box body
15-synchronous reversing mechanism 16-right internal vibration bearing seat 17-right support bearing
18-vibration motor 19-eccentric block fixed shaft two 20-right external vibration bearing seat
21-upper fixed connection round shaft 22-lower fixed connection round shaft
Detailed Description
The technical solution of the present invention is clearly and completely described below with reference to the accompanying drawings and embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 4, the road roller vibration exciter with adjustable vibration state comprises a vibration exciting support, wherein a first fixed shaft 8 and a second fixed shaft 19 are arranged in the vibration exciting support, the first fixed shaft 8 and the second fixed shaft 19 are arranged in parallel and synchronously rotate in opposite directions, a first fixed eccentric block and a second movable eccentric block are respectively arranged on the first fixed shaft 8 and the second fixed shaft 19, and the vibration exciter is in a pure vibration compaction state or a state combining vibration compaction and swing compaction due to arrangement structures of the first fixed shaft 8 and the second fixed shaft 19.
As shown in fig. 4, a plane formed by the first fixing shaft 8 and the second fixing shaft 19 is a horizontal plane.
The first fixed shaft 8, the fixed eccentric block and the movable eccentric block arranged on the first fixed shaft form a first vibration unit, and the second fixed shaft 19, the fixed eccentric block and the movable eccentric block arranged on the second fixed shaft form a second vibration unit; the first vibration unit and the second vibration unit are centrosymmetric about a central axis of the vibration exciter.
Specifically, as shown in fig. 1 to 3, a first fixed eccentric block 6 and a second fixed eccentric block 13 are respectively and fixedly arranged at two ends of a first fixed shaft 8, and a movable eccentric block 10 is further fixedly sleeved on the first fixed shaft 8; a first fixed eccentric block 6 and a second fixed eccentric block 13 are fixedly arranged at two ends of the second fixed shaft 19 respectively, and a movable eccentric block 10 is further fixedly sleeved on the second fixed shaft 19; the arrangement position of the movable eccentric block 10 on the first fixed shaft 8 and the arrangement position of the movable eccentric block 10 on the second fixed shaft 19 are deviated from the central position of each fixed shaft.
Taking the first fixed shaft 8 as an example, the first fixed eccentric block 6 and the second fixed eccentric block 13 are both fixedly arranged on the first fixed shaft through the eccentric block fixing pin 7, and the movable eccentric block 10 is arranged on the first fixed shaft 8 through the limiting block 11; the first fixed eccentric block 6 and the movable eccentric block 10 on the first fixed shaft 8 are limited by a spacer ring 9, and the movable eccentric block 10 and the second fixed eccentric block 13 are limited by a spacer ring 12. The positions of the first fixed eccentric block 6 and the second fixed eccentric block 13 on the first fixed shaft 8 are fixed, namely the positions of the first fixed eccentric block 6 and the second fixed eccentric block 13 on the first fixed shaft 8 are not adjustable. The position of the movable eccentric block 10 on the first fixed shaft 8 can be adjusted, that is, the movable eccentric block 10 can be arranged on the first fixed shaft 8 at least at two positions, as shown in fig. 2 and 3, and the cantilever end of the movable eccentric block 10 shown in fig. 2 is opposite to the cantilever end of the movable eccentric block 10 shown in fig. 3.
The mass of the first fixed eccentric block 6 and the mass of the second fixed eccentric block 13 can be equal or unequal.
In this embodiment, the mass of the first fixed eccentric block 6 is smaller than that of the second fixed eccentric block 13.
As shown in fig. 2 and 3, the movable eccentric block 10 on the first fixed shaft 8 is arranged at one side close to the first fixed eccentric block 6 on the first fixed shaft 8; the movable eccentric block 10 on the second fixed shaft 19 is arranged at one side of the first fixed eccentric block 6 close to the second fixed shaft 19.
As a first preferred scheme of the present invention, as shown in fig. 2, when the vibration motor 18 drives the synchronous reversing mechanism 15 to operate and then drives the first fixed shaft 8 to rotate forward, the corresponding second fixed shaft 19 rotates backward synchronously, so that the eccentric blocks on the two fixed shafts vertically superpose and vibrate vertically and directionally on the ground, meanwhile, the two movable eccentric blocks 10 crosswise arranged on the two fixed shafts generate clockwise torque on the horizontal plane, the two first fixed eccentric blocks 6 and the two second fixed eccentric blocks 13 arranged on the two fixed shafts generate counterclockwise torque on the horizontal plane, and the clockwise torque and the counterclockwise torque are equal and offset.
As shown in FIG. 2, for the fixed shaft one 8, the mass of the fixed eccentric mass one 6 is F 1 The distance between the centers of the first fixed eccentric block 6 and the first fixed shaft 8 is L 1 (ii) a The mass of the second fixed eccentric block 13 is F 2 Fixed eccentric block two 13The distance between the center of the first fixed shaft 8 and the center of the second fixed shaft is L 2 (ii) a The movable eccentric mass 10 has a mass F 3 The distance between the movable eccentric block 10 and the center of the first fixed shaft 8 is L 3 By adjusting the mass and position of the first fixed eccentric mass 6, the second fixed eccentric mass 13 and the movable eccentric mass 10, the following equation can be obtained:
F 2 L 2 －F 1 L 1 ＝F 3 L 3 。
that is, in fig. 2, the clockwise torque and the counterclockwise torque are equal and offset, and the vibration generated by the vibration exciter is a pure up-and-down directional vibration compaction effect.
As a second preferred scheme of the invention, when the vibration motor 18 drives the synchronous reversing mechanism 15 to operate and then drives the first fixed shaft 8 to rotate reversely, the corresponding second fixed shaft 19 rotates synchronously forward, so that the eccentric blocks on the two fixed shafts vertically superpose and vibrate up and down directionally on the ground, meanwhile, the two movable eccentric blocks 10 which are crosswise arranged on the two fixed shafts generate anticlockwise torque on the horizontal plane, the two first fixed eccentric blocks 6 and the two second fixed eccentric blocks 13 which are arranged on the two fixed shafts generate anticlockwise torque on the horizontal plane, and the two anticlockwise torques in the same direction are superposed, at the moment, the vibration generated by the vibration exciter not only carries out up-and-down vibration compaction, but also carries out swinging compaction caused by the torque.
As shown in FIG. 3, for the fixed shaft I8, the mass of the fixed eccentric block I6 is F 1 The distance between the centers of the first fixed eccentric block 6 and the first fixed shaft 8 is L 1 (ii) a The mass of the second fixed eccentric block 13 is F 2 The distance between the second fixed eccentric block 13 and the center of the first fixed shaft 8 is L 2 (ii) a The mass of the movable eccentric mass 10 is F 3 The distance between the movable eccentric block 10 and the center of the first fixed shaft 8 is L 3 If the masses and positions of the first fixed eccentric mass 6, the second fixed eccentric mass 13 and the movable eccentric mass 10 are the same as those in the previous embodiment, the following equation can be obtained:
superposition torque M =2 (F) 2 L 2 －F 1 L 1 )+2F 3 L 3 ＝4F 3 L 3 。
In fig. 2, clockwise torque and anticlockwise torque are mutually superposed, and vibration generated by the vibration exciter has swinging compaction effect generated by the torque in addition to the vertical directional vibration compaction effect.
As shown in fig. 4, a left support bearing 3 and a right support bearing 17 for mounting and fixing the vibration exciter in a steel wheel 1 are respectively arranged on two sides of the vibration exciter, the left support bearing 3 is mounted on the steel wheel 1 through a left outer vibration bearing seat 2, and the right support bearing 17 is mounted on the steel wheel 1 through a right outer vibration bearing seat 20; the left outer vibration bearing seat 2 and the right outer vibration bearing seat 20 are limited, fixed and connected through an upper fixed connection round shaft 21 and a lower fixed connection round shaft 22.
Claims (5)
1. The utility model provides a road roller vibration exciter of vibration state adjustable, includes excitation support, its characterized in that: the vibration exciter is characterized in that a first fixed shaft (8) and a second fixed shaft (19) are arranged in the vibration exciting support, the first fixed shaft (8) and the second fixed shaft (19) are arranged in parallel and synchronously and reversely rotate, a first fixed eccentric block and a second movable eccentric block are arranged on the first fixed shaft (8) and the second fixed shaft (19), and the vibration exciter is in a pure vibration compaction state or a state combining vibration compaction with swing compaction due to arrangement structures of the first fixed shaft (8) and the second fixed shaft (19);
the plane formed by the first fixing shaft (8) and the second fixing shaft (19) is a horizontal plane;
the first fixed shaft (8) and the fixed eccentric block and the movable eccentric block arranged on the first fixed shaft form a first vibration unit, and the second fixed shaft (19) and the fixed eccentric block and the movable eccentric block arranged on the second fixed shaft form a second vibration unit; the first vibration unit and the second vibration unit are in central symmetry about a central axis of the vibration exciter;
a first fixed eccentric block (6) and a second fixed eccentric block (13) are fixedly arranged at two ends of the first fixed shaft (8) respectively, and a movable eccentric block (10) is further sleeved and fixed on the first fixed shaft (8); a first fixed eccentric block (6) and a second fixed eccentric block (13) are fixedly arranged at two ends of the second fixed shaft (19) respectively, and a movable eccentric block (10) is further fixedly sleeved on the second fixed shaft (19); the arrangement position of the movable eccentric block (10) on the first fixed shaft (8) and the arrangement position of the movable eccentric block (10) on the second fixed shaft (19) deviate from the central position of each fixed shaft;
the mass of the first fixed eccentric block (6) is less than or equal to that of the second fixed eccentric block (13).
2. A road roller exciter with adjustable vibration state according to claim 1, characterized in that: the movable eccentric block (10) on the first fixed shaft (8) is arranged at one side of the first fixed eccentric block (6) close to the first fixed shaft (8); the movable eccentric block (10) on the second fixed shaft (19) is arranged at one side of the first fixed eccentric block (6) close to the second fixed shaft (19).
3. A road roller exciter with adjustable vibration state according to claim 2, characterized in that: when the vibrating motor (18) drives the synchronous reversing mechanism (15) to operate and then drives the first fixed shaft (8) to rotate forwards, the corresponding second fixed shaft (19) rotates backwards synchronously, so that the eccentric blocks on the two fixed shafts vertically superpose on the ground to vibrate directionally up and down, meanwhile, the two movable eccentric blocks (10) which are arranged on the two fixed shafts in a crossed mode generate clockwise torque on a horizontal plane, the two first fixed eccentric blocks (6) and the two second fixed eccentric blocks (13) which are arranged on the two fixed shafts generate anticlockwise torque on the horizontal plane, and the clockwise torque and the anticlockwise torque are equal and offset.
4. A vibration exciter for a road roller with adjustable vibration conditions according to claim 2, characterised in that: when the vibrating motor (18) drives the synchronous reversing mechanism (15) to operate and then drives the first fixed shaft (8) to rotate reversely, the corresponding second fixed shaft (19) rotates synchronously in a forward direction, vertical superposition of the eccentric blocks on the two fixed shafts on the ground is realized, the two movable eccentric blocks (10) which are arranged on the two fixed shafts in a crossed manner generate anticlockwise torque on the horizontal plane, the two first fixed eccentric blocks (6) and the two second fixed eccentric blocks (13) which are arranged on the two fixed shafts generate anticlockwise torque on the horizontal plane, the two anticlockwise torques in the same direction are superposed, and the vibration generated by the vibration exciter not only has vertical vibration compaction, but also has swinging compaction caused by the torque.
5. A vibration exciter for a road roller according to any of claims 1 to 4 having an adjustable vibrational state, characterised in that: the vibration exciter is characterized in that a left supporting bearing (3) and a right supporting bearing (17) which are used for being fixedly installed in a steel wheel (1) are respectively arranged on two sides of the vibration exciter, the left supporting bearing (3) is installed on the steel wheel (1) through a left outer vibration bearing seat (2), and the right supporting bearing (17) is installed on the steel wheel (1) through a right outer vibration bearing seat (20); the left outer vibration bearing seat (2) and the right outer vibration bearing seat (20) are in limit fixing and connection through an upper fixed connection round shaft (21) and a lower fixed connection round shaft (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710480723.XA CN107130498B (en) | 2017-06-22 | 2017-06-22 | Road roller vibration exciter with adjustable vibration state |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710480723.XA CN107130498B (en) | 2017-06-22 | 2017-06-22 | Road roller vibration exciter with adjustable vibration state |
Publications (2)
| Publication Number | Publication Date |
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| CN107130498A CN107130498A (en) | 2017-09-05 |
| CN107130498B true CN107130498B (en) | 2022-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710480723.XA Active CN107130498B (en) | 2017-06-22 | 2017-06-22 | Road roller vibration exciter with adjustable vibration state |
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| CN (1) | CN107130498B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4196637A (en) * | 1975-06-16 | 1980-04-08 | Babbitless | Vibratory device with controlled actuation |
| AU2450084A (en) * | 1983-02-18 | 1984-08-23 | Bowater Tutt Industries Pty. Ltd. | Vibratory mechanism |
| CN101392493A (en) * | 2007-09-22 | 2009-03-25 | 黄方权 | Amplitude adjustable exciter structure of directional vertical vibration roller |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2435423Y (en) * | 2000-06-02 | 2001-06-20 | 洛阳市非标准设备制造厂 | Double-amplitude box type vertical vibrating mechanism for heavy-duty roller |
| DE10147957B4 (en) * | 2001-09-28 | 2006-11-02 | Wacker Construction Equipment Ag | Vibration generator for a soil compaction device |
| CN1382871A (en) * | 2002-05-22 | 2002-12-04 | 陈启方 | Vibration exciter for vertical vibration and oscillation types road roller |
| JP3799022B2 (en) * | 2003-02-24 | 2006-07-19 | 酒井重工業株式会社 | Vibration mechanism and vibration roller |
| CN100393941C (en) * | 2003-10-15 | 2008-06-11 | 陈启方 | Vibration exciter for vertical-vibrating road roller |
| CN100529477C (en) * | 2004-10-30 | 2009-08-19 | 陈启方 | Synchronous drive method for parallel installation of multiple eccentric shafts |
| CN101476276B (en) * | 2009-01-20 | 2010-09-29 | 屠卫东 | New road roller exciter apparatus |
| CN102747669B (en) * | 2012-07-09 | 2015-09-23 | 池州腾虎机械科技有限公司 | A kind ofly can be exchanged into vertical or vibration or complex vibration vibration wheel of road roller |
| DE102013020690A1 (en) * | 2013-12-03 | 2015-06-03 | Bomag Gmbh | Vibration generator for a vibratory compactor and construction machine with such a vibration exciter |
| CN106638238A (en) * | 2017-01-16 | 2017-05-10 | 合肥永安绿地工程机械有限公司 | Eccentric vibration device of road roller and arranging structure thereof |
| CN208183488U (en) * | 2017-06-22 | 2018-12-04 | 合肥永安绿地工程机械有限公司 | A kind of adjustable road roller exciter of vibrational state |
-
2017
- 2017-06-22 CN CN201710480723.XA patent/CN107130498B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4196637A (en) * | 1975-06-16 | 1980-04-08 | Babbitless | Vibratory device with controlled actuation |
| AU2450084A (en) * | 1983-02-18 | 1984-08-23 | Bowater Tutt Industries Pty. Ltd. | Vibratory mechanism |
| CN101392493A (en) * | 2007-09-22 | 2009-03-25 | 黄方权 | Amplitude adjustable exciter structure of directional vertical vibration roller |
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