CN115287980A - Steel wheel of stepless amplitude modulation vibration road roller - Google Patents
Steel wheel of stepless amplitude modulation vibration road roller Download PDFInfo
- Publication number
- CN115287980A CN115287980A CN202210103441.9A CN202210103441A CN115287980A CN 115287980 A CN115287980 A CN 115287980A CN 202210103441 A CN202210103441 A CN 202210103441A CN 115287980 A CN115287980 A CN 115287980A
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- steel wheel
- amplitude modulation
- bevel gear
- cover plate
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 89
- 239000010959 steel Substances 0.000 title claims abstract description 89
- 238000013016 damping Methods 0.000 claims description 6
- 238000005056 compaction Methods 0.000 abstract description 14
- 238000000034 method Methods 0.000 abstract description 7
- 230000007547 defect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 230000005284 excitation Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/22—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
- E01C19/23—Rollers therefor; Such rollers usable also for compacting soil
- E01C19/28—Vibrated rollers or rollers subjected to impacts, e.g. hammering blows
-
- 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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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Machines (AREA)
Abstract
The invention discloses a novel stepless amplitude modulation road roller vibration steel wheel, which mainly comprises a road roller steel wheel and a stepless amplitude modulation mechanism. When the steel wheel vibrates, the amplitude modulation motor is used for continuously adjusting the eccentricity of the eccentric block, so that the stepless amplitude modulation of the vibrating steel wheel is realized. The method overcomes the defects of few amplitude modulation gears of the steel wheel, narrow construction process adaptability, poor pavement compaction effect and the like of the existing vibratory roller. The amplitude modulation device of the vibration steel wheel is easy to realize automatic control and intelligent control, and is simple and quick to operate. The bevel gear meshing form is adopted, the structure is compact, the work is stable, the reliability is high, the modular design can be realized, the processing and the installation are easy, and the practical and popularization values are higher.
Description
Technical Field
The invention relates to engineering construction machinery, in particular to a novel steel wheel of a stepless amplitude modulation vibratory roller.
Background
In the compaction working process of the road roller, compaction work is often carried out on different paving materials, different paving thicknesses and different compaction stages. In order to obtain a better surface compaction effect, the danger of crushing aggregate is reduced, and the phenomenon of excessive compaction is avoided, the road roller is required to output different amplitudes and exciting forces to obtain the better surface compaction effect, so that the danger of crushing aggregate is reduced, and the phenomenon of excessive compaction is avoided.
At present, most domestic and foreign road rollers adopt two fixed amplitudes, the double amplitudes are realized by forward and reverse rotation of a vibration exciter, the operation noise is large, the comfort is poor, and the service life is short; for different modern compaction materials, compaction with different compaction thicknesses and special requirements also has the defect of small amplitude selection range, vibratory rollers with different tonnage specifications need to be selected, the equipment occupation is large, and the utilization efficiency is low.
Disclosure of Invention
The invention aims to solve the technical problem of providing a novel steel wheel of a stepless amplitude modulation vibratory roller, which overcomes the defects of poor comfort, complex amplitude modulation structure, complex installation and maintenance process, poor working stability and the like of the existing vibratory roller in the amplitude modulation process; the amplitude adjusting structure of the vibratory roller is compact and simple, the vibratory roller is convenient to disassemble and assemble, the amplitude can be adjusted continuously and timely according to the needs of a compaction site, and a stable automatic control function can be realized. The amplitude modulation process is smooth-going, and convenient operation is swift, improves compaction work efficiency by a wide margin and guarantees the compaction quality, has longer life.
In order to solve the technical problems, the invention adopts the following technical means:
a novel stepless amplitude modulation vibratory roller steel wheel comprises a roller steel wheel and a stepless amplitude modulation mechanism, wherein the roller steel wheel is provided with a large steel wheel; the stepless amplitude modulation mechanism is provided with a middle steel wheel body, a small steel wheel body, a vibration motor and an amplitude modulation motor which are coaxially arranged with the large steel wheel;
a small steel wheel body, a first supporting plate and a second supporting plate are arranged in the middle steel wheel body; the middle steel wheel body is provided with a left cover plate, a right cover plate and a middle steel wheel; a first gear and a second gear are arranged between the right cover plate and the first support plate and are constantly meshed; a gear carrier, a bevel gear four, a bevel gear three, a bevel gear five and a gear three are arranged between the support plate two and the support plate one; the bevel gear III and the bevel gear V are hollow gears, an internal spline is processed in a central hole, and the central hole of the bevel gear III is a through hole; the outer edge of the gear rack is processed with straight teeth, the straight teeth of the gear rack are meshed with the gear three times, the ratio of the reference circle diameters of the straight teeth to the gear three times is 2;
the small steel wheel body is arranged in the middle steel wheel body and is provided with a small steel wheel, a small steel wheel left cover plate, a small steel wheel right cover plate, a bevel gear I, a bevel gear II, a guide rail, an eccentric block and a fixing plate; a spur gear is processed at the end part of the right cover plate of the small steel wheel, the spur gear is meshed with the gear in a four-normal mode, and the ratio of the reference circle diameters of the spur gear to the gear is 1; the first bevel gear is installed on the fixing plate through a bearing, the shaft end of the first bevel gear is in threaded connection with the eccentric block, when the first bevel gear rotates, the eccentric block is driven to move along the guide rail, and the length direction of the guide rail is consistent with the radius direction of the wheel body; the second bevel gear is a hollow gear, and an external spline is machined at the end part of the gear shaft and is in matched connection with the internal spline of the third bevel gear;
the vibration motor drives the gear I to rotate through the coupler, and then drives the gear II, the gear III and the gear IV to rotate; the second gear, the third gear and the fourth gear are coaxially fixed; the ratio of straight teeth of a gear frame to the diameter of the three-degree circle of the gear is 2; the rotating speeds of the three parts are the same, and the rotating speed is set to be 2n; the ratio of the straight teeth of the gear carrier to the diameter of the three-degree circle of the gear is 2;
the amplitude modulation motor is connected with the fifth bevel gear through an amplitude modulation shaft and controls the fifth bevel gear to rotate; and the diameter of the reference circle of the gear four is the same as that of a straight gear at the end part of the right cover plate of the small steel wheel.
When amplitude modulation operation is not carried out, the bevel gear V does not rotate under the action of the amplitude modulation shaft and the amplitude modulation motor, the output rotating speed of the bevel gear III is 2n, and the rotating speed of the bevel gear II is 2n. The diameter of the reference circle of the gear IV is the same as that of a straight gear at the end part of a right cover plate of the small steel wheel, so that the rotating speed of the small steel wheel body is also 2n, and the eccentric block is driven to rotate at the rotating speed of 2n to generate vibration excitation. The first bevel gear is fixed in the small steel wheel through a fixing plate (28), and the rotating speed of the first bevel gear around the center line of the small steel wheel is the same as that of the second bevel gear, so that the first bevel gear and the second bevel gear are relatively static. When amplitude modulation is carried out, the bevel gear V rotates under the action of the amplitude modulation shaft and the amplitude modulation motor, the bevel gear I and the bevel gear II rotate relatively, the bevel gear I rotates to drive the eccentric block to move along the guide rail, the eccentric distance is continuously changed, the small steel wheel body can output continuously changed excitation force at the same rotating speed, and stepless amplitude modulation is further realized.
Compared with the prior art, the outstanding characteristics are that:
(1) The invention provides a novel vibration steel wheel of a stepless amplitude modulation road roller, which is different from the vibration steel wheel technology of the existing double-amplitude and multi-amplitude road roller.
(2) The vibration steel wheel amplitude modulation device is easy to realize automatic control and intelligent control, and is simple and rapid to operate. The bevel gear and the gear are meshed, so that the structure is compact, the working is stable, the reliability is high, the modular design can be realized, the processing and the installation are easy, and the practical and popularization values are high.
The further preferred technical scheme is as follows:
the left and right ends of the large steel wheel are respectively provided with a left bearing seat and a right bearing seat, and the outer sides of the left bearing seat and the right bearing seat are respectively provided with a left connecting plate and a right connecting plate.
And the left connecting plate and the right connecting plate are respectively provided with a damping block, and the left connecting plate and the right connecting plate are respectively connected with a front frame of the road roller through the damping blocks.
Drawings
Fig. 1 is a schematic structural diagram of a vibration steel wheel of a novel stepless amplitude modulation road roller.
FIG. 2 is a cross-sectional view of an eccentric mass.
FIG. 3 isbase:Sub>A schematic sectional view of the structure A-A in FIG. 2.
The symbols in the figure illustrate:
1-amplitude modulated motor; 2-a vibration damping block; 3-a left connecting plate; 4-left bearing seat; 5-a left cover plate; 6-small steel wheel left cover plate; 7-a medium steel wheel; 8-small steel wheels; 9-amplitude modulation axis; 10-an eccentric mass; 11-bevel gear one; 12-bevel gear two; 13-small steel wheel right cover plate; 14-bevel gear three; 15-bevel gear four; 16-gear rack; 17-bevel gear five; 18-support plate one; 19-gear one; 20-right end cap; 21-a vibration motor; 22-a right connecting plate; 23-right bearing seat; 24-gear two; 25-gear three; 26-support plate two; 27-gear four; 28-a guide rail; 29-fixing plate; 30-large steel wheel.
Detailed Description
The present invention will be further described with reference to the following examples.
Referring to fig. 1, the novel stepless amplitude modulation road roller vibration steel wheel provided by the invention comprises a road roller steel wheel and a stepless amplitude modulation mechanism.
The calculation formula of the centrifugal force generated by the eccentric block 10 in the rotating process and the amplitude of the vibrating steel wheel is as follows:
(1) Exciting force:
wherein,
-the mass of the eccentric mass,
(2) Amplitude of the vibrating steel wheel:
wherein,
-a mass of oscillation.
It is clear from the above formula that the amplitude can be adjusted by changing the eccentricity of the eccentric mass without changing the mass of the vibration and the mass of the eccentric mass.
The left bearing seat 4 and the right bearing seat 23 are arranged at the left end and the right end of the large steel wheel 30, the middle steel wheel 7 is arranged at the center of the inner part of the large steel wheel 30 through a bearing, a left cover plate 5 and a right cover plate 20, the left connecting plate 3 is connected with the left cover plate 5, and the right connecting plate 22 is connected with the right cover plate 20; the left connecting plate 3 and the right connecting plate 22 are respectively connected with a front frame of the road roller through the damping blocks 2, so that the large steel wheel 30 can roll and advance by taking the central lines of the left cover plate 5 and the right cover plate 20 as rotation centers under the pushing action of the front frame.
The middle steel wheel body consists of a left cover plate 5, a right cover plate 20 and a middle steel wheel 7 positioned between the two cover plates; the middle steel wheel body is internally provided with a small steel wheel body, a first supporting plate 18 and a second supporting plate 26.
A first gear 19 and a second gear 24 are installed between the right cover plate 20 and the first support plate 18, and the first gear 19 and the second gear 24 are constantly meshed.
A gear carrier 16, a bevel gear four 15, a bevel gear three 14, a bevel gear five 17 and a gear three 25 are arranged between the support plate two 26 and the support plate one 18; the bevel gear III 14 and the bevel gear V17 are hollow gears, internal splines are machined in central holes, and the central hole of the bevel gear III 14 is a through hole; the outer edge of the gear carrier 16 is machined with straight teeth, the straight teeth of the gear carrier 16 are constantly meshed with the third gear 25, the ratio of the reference circle diameters of the straight teeth to the third gear is 2.
The small steel wheel body is arranged in the middle steel wheel body and consists of a small steel wheel 8, a small steel wheel left cover plate 6, a small steel wheel right cover plate 13, a bevel gear I11, a bevel gear II 12, a guide rail 28, an eccentric block 10 and a fixing plate 29. Wherein, the end of the right cover plate 13 of the small steel wheel is provided with a spur gear, the spur gear is normally meshed with a fourth gear 27, and the ratio of the reference circle diameters of the spur gear and the fourth gear is 1. The first bevel gear 11 is mounted on the fixing plate 29 through a bearing, the shaft end of the first bevel gear is in threaded connection with the eccentric block 10, two ends of the eccentric block 10 are respectively connected with the small steel wheel left cover plate 6 and the small steel wheel right cover plate 13 through guide rails 28, and the length direction of the guide rails 28 is consistent with the radius direction of the gear body. When the bevel gear I11 rotates, the driving eccentric block 10 moves along the guide rail 28. The second bevel gear 12 is a hollow gear, and an external spline is processed at the end part of the gear shaft and is in fit connection with an internal spline of the third bevel gear 14.
As shown in fig. 2, which is a schematic cross-sectional view of the eccentric mass, the eccentric mass 10 can effectively change the eccentricity of the eccentric mass when moving along the radial direction of the wheel body.
The vibration motor 21 is arranged on the right connecting plate 22 and drives the gear I19 to rotate through the coupler, and then drives the gear II 24, the gear III 25 and the gear IV 27 to rotate; the gear two 24, the gear three 25 and the gear four 27 are coaxially fixed, and the rotating speeds of the three are the same (the rotating speed is 2 n). The ratio of the straight teeth of the carrier 16 to the pitch diameter of the third gear 25 is 2.
The speed regulating motor 1 is installed on the left connecting plate 3 and is connected with the fifth bevel gear 17 through the amplitude-modulation shaft 9 to control the rotation of the fifth bevel gear 17.
When amplitude modulation operation is not carried out, the bevel gear five 17 does not rotate under the action of the amplitude modulation shaft 9 and the amplitude modulation motor 1, the output rotating speed of the bevel gear three 14 is 2n, and the rotating speed of the bevel gear two 12 is 2n; the diameter of the reference circle of the gear four 27 is the same as that of a straight gear at the end part of the right cover plate 13 of the small steel wheel, so that the rotating speed of the small steel wheel body is 2n, and the eccentric block 10 is driven to rotate at the rotating speed of 2n to generate vibration excitation. The first bevel gear 11 is fixed in the small steel wheel 8 through a fixing plate 29, and the rotating speed of the first bevel gear 11 around the center line of the small steel wheel 8 is the same as the rotating speed of the second bevel gear 12, so that the first bevel gear and the second bevel gear are relatively static.
As shown in FIG. 3, the eccentric mass 10 is screwed with the first bevel gear 11 and can move along the guide rail 28. When amplitude modulation is carried out, the bevel gear V17 rotates under the action of the amplitude modulation shaft 9 and the amplitude modulation motor 1, the bevel gear I11 and the bevel gear II 12 rotate relatively, the eccentric block 10 moves along the radial direction of the wheel body, the eccentric distance changes continuously, the small steel wheel body can output continuously changing exciting force at the same rotating speed, and stepless amplitude modulation is further realized.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims and their equivalents.
Claims (3)
1. The utility model provides a novel stepless amplitude modulation vibratory roller steel wheel, includes roller steel wheel, stepless amplitude modulation mechanism, its characterized in that:
the road roller steel wheel is provided with a large steel wheel (30);
the stepless amplitude modulation mechanism is provided with a middle steel wheel body, a small steel wheel body, a vibration motor (21) and an amplitude modulation motor (1) which are coaxially arranged with the large steel wheel (30);
a small steel wheel body, a first support plate (18) and a second support plate (26) are arranged in the middle steel wheel body; the middle steel wheel body is provided with a left cover plate (5), a right cover plate (20) and a middle steel wheel (7); a first gear (19) and a second gear (24) are arranged between the right cover plate (20) and the first support plate (18), and the first gear (19) and the second gear (24) are constantly meshed; a gear carrier (16), a bevel gear four (15), a bevel gear three (14), a bevel gear five (17) and a gear three (25) are arranged between the support plate two (26) and the support plate one (18); the bevel gear III (14) and the bevel gear V (17) are hollow gears, an internal spline is machined in a central hole, and the central hole of the bevel gear III (14) is a through hole; the outer edge of the gear rack (16) is processed with straight teeth, the straight teeth of the gear rack (16) are constantly meshed with the gear III (25), the ratio of the reference circle diameters of the gear rack and the gear III to the reference circle diameters of the gear rack is 2;
the small steel wheel body is arranged inside the middle steel wheel body and is provided with a small steel wheel (8), a small steel wheel left cover plate (6), a small steel wheel right cover plate (13), a bevel gear I (11), a bevel gear II (12), a guide rail (28), an eccentric block (10) and a fixing plate (29); a straight gear is processed at the end part of the right cover plate (13) of the small steel wheel, the straight gear is normally meshed with a gear four (27), and the ratio of the reference circle diameters of the straight gear to the gear four (27) is 1; the bevel gear I (11) is arranged on the fixing plate (29) through a bearing, the shaft end of the bevel gear I is in threaded connection with the eccentric block (10), when the bevel gear I (11) rotates, the eccentric block is driven to move along the guide rail (28), and the length direction of the guide rail (28) is consistent with the radius direction of the wheel body; the second bevel gear (12) is a hollow gear, an external spline is machined at the end part of a gear shaft and is in matched connection with the internal spline of the third bevel gear (14);
the vibration motor (21) drives the gear I (19) to rotate through the coupler, and then drives the gear II (24), the gear III (25) and the gear IV (27) to rotate; the gear II (24), the gear III (25) and the gear IV (27) are coaxially fixed; the ratio of the straight teeth of the gear rack (16) to the reference circle diameter of the gear III (25) is 2;
the amplitude modulation motor (1) is connected with a fifth bevel gear (17) through an amplitude modulation shaft (9) and controls the rotation of the fifth bevel gear (17); the fourth gear (27) and a spur gear at the end part of the right cover plate (13) of the small steel wheel have the same reference circle diameter.
2. The novel stepless amplitude modulation vibratory roller steel wheel of claim 1, characterized in that: the left end and the right end of the large steel wheel (30) are respectively provided with a left bearing seat (4) and a right bearing seat (23), and the outer sides of the left bearing seat (4) and the right bearing seat (23) are respectively provided with a left connecting plate (3) and a right connecting plate (22).
3. The novel stepless amplitude modulation vibratory roller steel wheel of claim 2, characterized in that: and the left connecting plate (3) and the right connecting plate (22) are both provided with a vibration damping block (2), and the left connecting plate (3) and the right connecting plate (22) are respectively connected with a front frame of the road roller through the vibration damping block (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210103441.9A CN115287980B (en) | 2022-01-28 | 2022-01-28 | Stepless amplitude modulation vibratory roller steel wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210103441.9A CN115287980B (en) | 2022-01-28 | 2022-01-28 | Stepless amplitude modulation vibratory roller steel wheel |
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| Publication Number | Publication Date |
|---|---|
| CN115287980A true CN115287980A (en) | 2022-11-04 |
| CN115287980B CN115287980B (en) | 2024-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210103441.9A Active CN115287980B (en) | 2022-01-28 | 2022-01-28 | Stepless amplitude modulation vibratory roller steel wheel |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4367054A (en) * | 1981-02-24 | 1983-01-04 | The Koehring Company | Vibratory roller |
| US4830534A (en) * | 1987-10-21 | 1989-05-16 | Hyster Company | Dual amplitude vibration generator for compaction apparatus |
| US5618133A (en) * | 1993-11-30 | 1997-04-08 | Sakai Heavy Industries, Ltd. | Vibrating mechanism and apparatus for generating vibrations for a vibration compacting roller with variable amplitude |
| CN1532340A (en) * | 2003-03-21 | 2004-09-29 | �����ɷ� | Regulator for regulating accentric moment or foller drum eccentric shaft |
| CN103438206A (en) * | 2013-09-16 | 2013-12-11 | 陕西中大机械集团湖南中大机械制造有限责任公司 | Hydraulic control stepless amplitude regulation device of vibratory roller |
| CN103934188A (en) * | 2014-05-08 | 2014-07-23 | 王建喜 | Exciter eccentric block eccentric distance adjusting mechanism |
| CN204898478U (en) * | 2015-08-18 | 2015-12-23 | 长安大学 | Vibrated roller steel wheel of adjustable amplitude |
| CN105648882A (en) * | 2016-03-24 | 2016-06-08 | 长安大学 | Vibration excitation unit used in vibration compaction machine and electric stepless adjustment vibration exciter of vibration excitation unit |
| CN108060628A (en) * | 2017-12-14 | 2018-05-22 | 太原理工大学 | A kind of vibration steel wheel of ungraded amplitude road roller |
| CN209476646U (en) * | 2018-12-25 | 2019-10-11 | 中国石油集团渤海石油装备制造有限公司 | Adjustable eccentric away from eccentric block component, vibration excitor and vibrating screen |
| CN209476704U (en) * | 2018-12-12 | 2019-10-11 | 河南省平原矿山机械有限公司 | A kind of exciting force of exciter regulating mechanism |
-
2022
- 2022-01-28 CN CN202210103441.9A patent/CN115287980B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4367054A (en) * | 1981-02-24 | 1983-01-04 | The Koehring Company | Vibratory roller |
| US4830534A (en) * | 1987-10-21 | 1989-05-16 | Hyster Company | Dual amplitude vibration generator for compaction apparatus |
| US5618133A (en) * | 1993-11-30 | 1997-04-08 | Sakai Heavy Industries, Ltd. | Vibrating mechanism and apparatus for generating vibrations for a vibration compacting roller with variable amplitude |
| CN1532340A (en) * | 2003-03-21 | 2004-09-29 | �����ɷ� | Regulator for regulating accentric moment or foller drum eccentric shaft |
| CN103438206A (en) * | 2013-09-16 | 2013-12-11 | 陕西中大机械集团湖南中大机械制造有限责任公司 | Hydraulic control stepless amplitude regulation device of vibratory roller |
| CN103934188A (en) * | 2014-05-08 | 2014-07-23 | 王建喜 | Exciter eccentric block eccentric distance adjusting mechanism |
| CN204898478U (en) * | 2015-08-18 | 2015-12-23 | 长安大学 | Vibrated roller steel wheel of adjustable amplitude |
| CN105648882A (en) * | 2016-03-24 | 2016-06-08 | 长安大学 | Vibration excitation unit used in vibration compaction machine and electric stepless adjustment vibration exciter of vibration excitation unit |
| CN108060628A (en) * | 2017-12-14 | 2018-05-22 | 太原理工大学 | A kind of vibration steel wheel of ungraded amplitude road roller |
| CN209476704U (en) * | 2018-12-12 | 2019-10-11 | 河南省平原矿山机械有限公司 | A kind of exciting force of exciter regulating mechanism |
| CN209476646U (en) * | 2018-12-25 | 2019-10-11 | 中国石油集团渤海石油装备制造有限公司 | Adjustable eccentric away from eccentric block component, vibration excitor and vibrating screen |
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| CN115287980B (en) | 2024-08-02 |
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