CN114541217A - Shock-resistant road roller vibrating wheel excitation mechanism - Google Patents
Shock-resistant road roller vibrating wheel excitation mechanism Download PDFInfo
- Publication number
- CN114541217A CN114541217A CN202210171779.8A CN202210171779A CN114541217A CN 114541217 A CN114541217 A CN 114541217A CN 202210171779 A CN202210171779 A CN 202210171779A CN 114541217 A CN114541217 A CN 114541217A
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- China
- Prior art keywords
- eccentric block
- magnet
- excitation mechanism
- shock
- vibration
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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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- 230000007246 mechanism Effects 0.000 title claims abstract description 69
- 230000005284 excitation Effects 0.000 title claims abstract description 50
- 230000035939 shock Effects 0.000 title claims description 19
- 238000013016 damping Methods 0.000 claims abstract description 14
- 230000003139 buffering effect Effects 0.000 claims description 23
- 230000000694 effects Effects 0.000 claims description 14
- 230000007717 exclusion Effects 0.000 claims description 6
- 125000006850 spacer group Chemical group 0.000 claims description 5
- 230000003116 impacting effect Effects 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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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
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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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Road Paving Machines (AREA)
Abstract
The invention discloses an impact-resistant vibration mechanism of a road roller vibration wheel, which belongs to the field of vibration mechanisms and reduces the force of a movable eccentric block impacting a fixed eccentric block through the repulsion force of a magnet. The damping mechanism comprises a fixed eccentric block and a movable eccentric block, wherein the fixed eccentric block and the movable eccentric block are provided with repulsive damping magnets. The invention is mainly used for the vibration excitation mechanism of the road roller vibration wheel.
Description
Technical Field
The invention relates to an excitation mechanism, in particular to an excitation mechanism of a vibration wheel of a shock-resistant road roller.
Background
The vibration exciting mechanism of the road roller vibration wheel can be divided into an impact type and a non-impact type. The impact type excitation mechanism mainly comprises a through shaft type and a split type, and has the advantages of low price, simplicity in processing and manufacturing, convenience in installation and maintenance and the like, so that the impact type excitation mechanism is widely applied. However, the impact type eccentric excitation mechanism has no buffer damping device between the movable eccentric block and the limiting block, so that when the machine is started or stopped, the movable eccentric block impacts the limiting block, firstly, noise is generated, and secondly, the limiting block, the eccentric block and the vibration bearing are possibly damaged due to the huge centrifugal force of the movable eccentric block, so that the vibration wheel cannot work, and the service life of the road roller is shortened; the non-impact eccentric vibration exciting mechanism can be mainly divided into a liquid buffer type and a steel ball type, the whole part is broken into parts, the idea of fluid damping vibration attenuation is adopted, and a movable eccentric block in the impact vibration exciting mechanism is replaced by fluid or steel balls, so that the non-impact or low-impact effect is achieved. However, the manufacturing process of the closed cavity required by the liquid or the small steel ball is complex, the production cost is high, and the sealing cavity can be made larger in order to achieve the corresponding exciting force, so that the shock excitation mechanism of the non-impact sealing cavity is not widely applied in practice at present.
Disclosure of Invention
The invention aims to provide an impact-resistant vibration wheel excitation mechanism of a road roller, which reduces the force of a movable eccentric block impacting a fixed eccentric block through the repulsion force of a magnet.
The invention is realized by the following technical scheme:
the utility model provides a road roller vibration wheel excitation mechanism of shock resistance, includes buffering damping mechanism, buffering damping mechanism is equipped with the buffering magnet that repels each other including fixed eccentric block and activity eccentric block on fixed eccentric block and the activity eccentric block.
Further, buffering damping mechanism for leading to shaft type excitation mechanism, the activity eccentric block is located fixed eccentric block, be equipped with the mount pad on the fixed eccentric block, buffering magnet includes magnet I and magnet II, be equipped with mounting groove I on the mount pad, be equipped with magnet I in the mounting groove I, be equipped with the spring between magnet I and the mounting groove I, magnet I can remove in mounting groove I when receiving the impact, mounting groove I plays the effect of direction, be equipped with mounting groove II on the activity eccentric block that leads to shaft type excitation mechanism, be equipped with magnet II in the mounting groove II, magnet I and magnet II contact both ends homopolar mutual exclusion and correspond the cooperation.
Furthermore, the through shaft type excitation mechanism also comprises a flange plate, the flange plate is connected with a fixed eccentric block of the through shaft type excitation mechanism through a bolt, and a movable eccentric block of the through shaft type excitation mechanism is connected with the flange plate through a spacer bush.
Furthermore, the section of the movable eccentric block is semicircular.
Further, buffering vibration damper be split type excitation mechanism, split type excitation mechanism still includes the vibration axle, be equipped with two fixed eccentric blocks on the vibration axle, be equipped with movable eccentric block between two fixed eccentric blocks, be equipped with the connecting pin between two fixed eccentric blocks, buffering magnet includes magnet III and magnet IV, be equipped with mounting groove III on the connecting pin, magnet III is installed in mounting groove III, be equipped with mounting groove IV on the movable eccentric block, be equipped with magnet IV in the mounting groove IV, be equipped with the spring between magnet IV and the mounting groove IV, magnet III and magnet IV contact both ends homopolar mutual exclusion and correspond the cooperation.
Furthermore, a retainer ring is arranged between the fixed eccentric block and the vibration shaft.
Furthermore, the movable eccentric block is in clearance fit with the vibration shaft.
Furthermore, the fixed eccentric block is connected with the vibration shaft through a key.
Compared with the prior art, the invention has the beneficial effects that:
1. simple structure improves bearing life, noise abatement.
2. The force of the movable eccentric block impacting the fixed eccentric block is reduced through the magnets with mutual repulsion, so that the impact is reduced, and even no impact is generated.
3. The spring may also act as a shock absorber.
Drawings
FIG. 1 is a half-sectional view of a through-shaft type excitation mechanism of the present invention;
FIG. 2 is a cross-sectional view I of the through-shaft type excitation mechanism of the present invention;
FIG. 3 is a cross-sectional view II of the through-shaft excitation mechanism of the present invention;
FIG. 4 is a schematic structural diagram of the split excitation mechanism of the present invention;
FIG. 5 is a cross-sectional view I of the split excitation mechanism of the present invention;
FIG. 6 is a cross-sectional view II of the split excitation mechanism of the present invention;
FIG. 7 is a key installation schematic of the split excitation mechanism of the present invention.
In the figure: 1. a flange plate; 2. fixing the eccentric block; 3. a mounting seat; 4. a magnet I; 5. a movable eccentric block; 6. a spring; 7. a magnet II; 8. a spacer sleeve; 9. a connecting pin; 10. a retainer ring; 11. a key; 12. a magnet III; 13. and a magnet IV.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Embodiment 1, as shown in fig. 1-2, an impact-resistant vibration wheel excitation mechanism of a road roller comprises a buffering vibration reduction mechanism, wherein the buffering vibration reduction mechanism comprises a fixed eccentric block 2 and a movable eccentric block 5, and repulsive buffering magnets are arranged on the fixed eccentric block 2 and the movable eccentric block 5; the damping mechanism is a through shaft type vibration excitation mechanism, the movable eccentric block 5 is positioned in the fixed eccentric block 2, the fixed eccentric block 2 is provided with a mounting seat 3, the damping magnet comprises a magnet I4 and a magnet II 7, the mounting seat 3 is provided with a mounting groove I, the magnet I4 is arranged in the mounting groove I, a spring 6 is arranged between the magnet I4 and the mounting groove I, the magnet I4 can move in the mounting groove I when being impacted, the mounting groove I plays a guiding role, the movable eccentric block 5 of the through shaft type vibration excitation mechanism is provided with a mounting groove II, the magnet II 7 is arranged in the mounting groove II, the magnet I4 and the magnet II 7 are in contact with each other, the two ends of the magnet I4 and the magnet II 7 are in homopolar mutual exclusion and are correspondingly matched, the movable eccentric block 5 and the fixed eccentric block 2 rotate around a same central shaft, and the spring 6 also can play a damping role; the through shaft type excitation mechanism also comprises a flange plate 1, the flange plate 1 is connected with a fixed eccentric block 2 of the through shaft type excitation mechanism through a bolt, and a movable eccentric block 5 of the through shaft type excitation mechanism is connected with the flange plate 1 through a spacer sleeve 8; the section of the movable eccentric block 5 is semicircular.
The external motor drives the axle rotatory, the axle links to each other with ring flange 1, and then drive whole excitation mechanism and rotate, when the motor clockwise rotation, there is spacer 8 between activity eccentric block 5 and the fixed eccentric block 2, activity eccentric block 5 is also clockwise rotation inside the fixed eccentric block 2, as shown in figure 3, when activity eccentric block 5 rotatory contact fixed eccentric block 2, magnet I4 and magnet II 7 produce the repulsion force, magnet II 7 on the fixed eccentric block 2 can compress spring 6, and then spring 6 can produce elasticity, final rotation state is, the face of activity eccentric block 5 and a face contact of fixed eccentric block 2, spring 6 elasticity and magnet repulsion force combined action, reduce the impact.
The motor passes through the spline and is connected with the vibration axle, and the motor rotation drives the vibration axle and rotates together, and fixed eccentric block 2 passes through key 11 and vibration axle fixed connection together, and retaining ring 10 has restricted that fixed eccentric block 2 can the axial displacement, and activity eccentric block 5 can be rotatory along the axis. Similarly, as shown in fig. 6, when the movable eccentric block 5 is in rotary contact with the magnet iii 12 on the connecting pin 9 of the fixed eccentric block 2, the magnet iii 12 and the magnet iv 13 generate repulsive force, the magnet iv 13 on the fixed eccentric block 2 compresses the spring 6, and the spring 6 generates elastic force, and the elastic force of the spring 6 and the repulsive force of the magnet act together to reduce impact.
Claims (8)
1. The utility model provides a road roller vibration wheel excitation mechanism of nai impact, includes buffering damping mechanism, its characterized in that: the buffering and vibration damping mechanism comprises a fixed eccentric block (2) and a movable eccentric block (5), and repulsive buffering magnets are arranged on the fixed eccentric block (2) and the movable eccentric block (5).
2. The shock excitation mechanism for the shock-resistant road roller vibration wheel of claim 1, wherein: buffering damping mechanism for leading to shaft type excitation mechanism, activity eccentric block (5) are located fixed eccentric block (2), be equipped with mount pad (3) on fixed eccentric block (2), buffering magnet includes magnet I (4) and magnet II (7), be equipped with mounting groove I on mount pad (3), be equipped with magnet I (4) in the mounting groove I, be equipped with spring (6) between magnet I (4) and the mounting groove I, be equipped with mounting groove II on the activity eccentric block (5) that leads to shaft type excitation mechanism, be equipped with magnet II (7) in the mounting groove II, magnet I (4) and magnet II (7) contact both ends homopolar mutual exclusion and correspond the cooperation.
3. The shock excitation mechanism for the shock-resistant road roller vibration wheel of claim 2, wherein: the through shaft type excitation mechanism further comprises a flange plate (1), the flange plate (1) is connected with a fixed eccentric block (2) of the through shaft type excitation mechanism through a bolt, and a movable eccentric block (5) of the through shaft type excitation mechanism is connected with the flange plate (1) through a spacer sleeve (8).
4. The vibration excitation mechanism of the shock-resistant road roller vibration wheel according to any one of claims 2 to 3, characterized in that: the section of the movable eccentric block (5) is semicircular.
5. The shock excitation mechanism for the shock-resistant road roller vibration wheel of claim 1, wherein: buffering damping mechanism be split type excitation mechanism, split type excitation mechanism still includes the vibration axle, be equipped with two fixed eccentric block (2) on the vibration axle, be equipped with movable eccentric block (5) between two fixed eccentric block (2), be equipped with connecting pin (9) between two fixed eccentric block (2), buffering magnet includes magnet III (12) and magnet IV (13), be equipped with mounting groove III on connecting pin (9), magnet III (12) are installed in mounting groove III, be equipped with mounting groove IV on activity eccentric block (5), be equipped with magnet IV (13) in the mounting groove IV, be equipped with spring (6) between magnet IV (13) and the mounting groove IV, magnet III (12) and magnet IV (13) contact both ends homopolar mutual exclusion and correspond the cooperation.
6. The shock excitation mechanism for the shock-resistant road roller vibration wheel of claim 5, wherein: a retainer ring (10) is arranged between the fixed eccentric block (2) and the vibration shaft.
7. The shock excitation mechanism for the shock-resistant road roller vibration wheel of claim 5, wherein: the movable eccentric block (5) is in clearance fit with the vibration shaft.
8. The shock excitation mechanism for the shock-resistant road roller vibration wheel of claim 5, wherein: the fixed eccentric block (2) is connected with the vibration shaft through a key (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210171779.8A CN114541217A (en) | 2022-02-24 | 2022-02-24 | Shock-resistant road roller vibrating wheel excitation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210171779.8A CN114541217A (en) | 2022-02-24 | 2022-02-24 | Shock-resistant road roller vibrating wheel excitation mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114541217A true CN114541217A (en) | 2022-05-27 |
Family
ID=81677736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210171779.8A Pending CN114541217A (en) | 2022-02-24 | 2022-02-24 | Shock-resistant road roller vibrating wheel excitation mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114541217A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0655532A1 (en) * | 1993-11-30 | 1995-05-31 | Sakai Heavy Industries, Ltd. | A vibrating mechanism and an apparatus of generating vibrations for a vibration compacting roller with a variable amplitude |
| CN102383361A (en) * | 2011-08-29 | 2012-03-21 | 山东临工工程机械有限公司 | Exciting mechanism of vibrating roller |
| CN205012207U (en) * | 2015-10-13 | 2016-02-03 | 长安大学 | Amplitude modulation vibration exciter for vibrated roller |
| CN208088067U (en) * | 2018-02-28 | 2018-11-13 | 徐工集团工程机械股份有限公司 | A kind of vibration eccentric stiffener, vibrating wheels and road roller |
| CN109502015A (en) * | 2018-12-23 | 2019-03-22 | 朱光玺 | A kind of undercarriage cushioning structure near space solar energy unmanned plane |
| CN209652706U (en) * | 2019-02-28 | 2019-11-19 | 徐工集团工程机械股份有限公司道路机械分公司 | It is a kind of using vibratory chamber's lubricating oil damped without impact vibration wheel construction |
| CN215051834U (en) * | 2021-06-15 | 2021-12-07 | 济宁市技师学院 | Buffer type double steel wheel road roller vibration exciter |
-
2022
- 2022-02-24 CN CN202210171779.8A patent/CN114541217A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0655532A1 (en) * | 1993-11-30 | 1995-05-31 | Sakai Heavy Industries, Ltd. | A vibrating mechanism and an apparatus of generating vibrations for a vibration compacting roller with a variable amplitude |
| CN102383361A (en) * | 2011-08-29 | 2012-03-21 | 山东临工工程机械有限公司 | Exciting mechanism of vibrating roller |
| CN205012207U (en) * | 2015-10-13 | 2016-02-03 | 长安大学 | Amplitude modulation vibration exciter for vibrated roller |
| CN208088067U (en) * | 2018-02-28 | 2018-11-13 | 徐工集团工程机械股份有限公司 | A kind of vibration eccentric stiffener, vibrating wheels and road roller |
| CN109502015A (en) * | 2018-12-23 | 2019-03-22 | 朱光玺 | A kind of undercarriage cushioning structure near space solar energy unmanned plane |
| CN209652706U (en) * | 2019-02-28 | 2019-11-19 | 徐工集团工程机械股份有限公司道路机械分公司 | It is a kind of using vibratory chamber's lubricating oil damped without impact vibration wheel construction |
| CN215051834U (en) * | 2021-06-15 | 2021-12-07 | 济宁市技师学院 | Buffer type double steel wheel road roller vibration exciter |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20220527 |