CN101302737B - Drive device of road roller vibration mechanism - Google Patents
Drive device of road roller vibration mechanism Download PDFInfo
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- CN101302737B CN101302737B CN200810127863XA CN200810127863A CN101302737B CN 101302737 B CN101302737 B CN 101302737B CN 200810127863X A CN200810127863X A CN 200810127863XA CN 200810127863 A CN200810127863 A CN 200810127863A CN 101302737 B CN101302737 B CN 101302737B
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- gear
- power input
- rotating shaft
- power output
- gear pair
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Abstract
The invention relates to a drive device of a vibrating mechanism that is arranged in a vibrating wheel of a vibrating road roller, in particular to a drive device with vertical vibrating. A shell of the drive device with vertical vibrating comprises at least a first gear pair and a second gear pair that rotate reversely at constant speed, as well as a first rotary shaft and a second rotary shaft that are connected with the gear pairs, and the other ends of the first rotary shaft and the second rotary shaft are connected with a first group and a second group of eccentric blocks inside the vibrating mechanism and used for driving the first group and the second group of eccentric blocks to rotate reversely, thus forming composite force in the vertical direction; the first gear pair comprises a power input gear and a power output gear, a female spline of the power output gear of the first gear pair is matched with a shaft end of the first rotary shaft, the second gear pair comprises a power input gear and a power output gear, and a female spline of the power output gear of the second gear pair is matched with a shaft end of the second rotary shaft; the second rotary shaft that is shaped like a hollow pipe is freely sheathed outside a shaft body of the first rotary shaft, and the power input gear of the first gear pair is coaxially connected with a power input shaft. The drive device with vertical vibrating reduces power consumption, improves efficiency and raises torque transmission reasonableness.
Description
Technical field
The present invention relates to the drive unit of the vibrating mechanism in the vibrating wheels of vibratory roller, specifically is exactly the drive unit of the vibrating mechanism of vertical vibration roller.
Background technology
In the prior art, in order to realize the vertical orientation vibration, many group eccentric blocks are set in the vibrating wheels of road roller, drive unit drives eccentric block, eccentric block obtains when rotating to make a concerted effort in vertical direction, should be passed on the outside wheel body of vibrating wheels by support component with joint efforts, and implement vertical vibration by the wheel body road pavement, road pavement is implemented compaction actions.
It is to rely on drive unit to guarantee that the orientation of many group eccentric blocks is rotated, it is comparatively desirable form of structure that many group eccentric blocks rotate along same revolution axle center, this arrangement form can be called for short the coaxial tandem of eccentric block visually, specifically be exactly that two rotating shafts are set at least, rotating shaft is connected in series coaxially to each other and mutually, and the rotating shaft of hollow tubular is wherein arranged, and passes through for other rotating shaft in it, constitute coaxial arrangement thus, belong to rotating shaft string shell type and connect or be called for short cascaded structure.Drive unit as the rotating shaft of this form can have multiple form of structure, what drive unit adopted in the prior art is with external impetus equipment, directly pass as the line shaft of motor or oil motor and to receive wherein in the rotating shaft, again power is transmitted to subordinate's rotating shaft successively by parts such as gear pair and splines afterwards, like this, the difficult arrangement of gear not only, and be unfavorable for transmission more than the structure of two rotating shafts, its complex structure, especially moment of torsion transmission distribute unreasonable; In addition, because the restriction of drive unit self structure in the prior art, the housing of drive unit relied on inboard end face and fixedlys connected with junction plate when it was installed, the junction plate location is assemblied on the inner ring of bearing, bearing is installed on the radial webs that is provided with in the inner chamber of the end of mounting pipe or wheel body, install on the frame cantilever by shock absorber in the outside of junction plate, and for ease of explanation, the prior art can be defined as the external drive unit.In the external drive unit, the inner ring that junction plate and bearing are passed in the end of rotating shaft extends to housing one side of external drive unit, in order to realize connecting, the length of rotating shaft is longer, for slender axles, not only rotating shaft processing difficulties, and, shaft length strengthens the back distortion and strengthens, and the space length that is used for the mounting arrangements eccentric block is simultaneously reduced.
Summary of the invention
Purpose of the present invention just provides a kind of drive unit of road roller vibration mechanism, optimizes the layout of gear pair and improves the reasonability that moment of torsion transmits.
For achieving the above object, the present invention has adopted following technical scheme: a kind of drive unit of road roller vibration mechanism, the housing that comprises drive unit, at least comprise first in the housing, two gear pairs, first, one end of 2 two rotating shafts and above-mentioned first, two gear pairs link to each other, first, the other end of 2 two rotating shafts to vibrating mechanism one side extend and with vibrating mechanism in first, two liang of group eccentric blocks link to each other and drive its backward rotation, forming downward vibration in vertical direction makes a concerted effort, it is characterized in that: described first gear pair comprises first power input gear and first power output gear, the internal spline of first power output gear cooperates with the axle head of first rotating shaft, described second gear pair comprises second power input gear and second power output gear, the internal spline of second power output gear cooperates with the axle head of second rotating shaft, the second rotating shaft sky of hollow tubular is enclosed within on the axle body of first rotating shaft, and first power input gear of described first gear pair is connected with power input shaft is coaxial; Described second gear pair also comprises transition gear, and transition gear meshes with second power input gear and second power output gear respectively, so that first, second gear pair constant speed backward rotation.
In the technique scheme, first gear pair comprises first power input gear and first power output gear, the internal spline of described first power output gear cooperates with the axle head of first rotating shaft, like this, line shaft as powered attendant-controlled wheelchairs motor or oil motor is directly connected on first power input gear of first gear pair, is transferred torque on first power output gear of first gear pair by this power input gear and then transfer torque to drive first group of eccentric block in first rotating shaft and rotate; Simultaneously, another road moment of torsion transfer route is to transfer torque on second power output gear of second gear pair by second power input gear with coaxial second gear pair that is connected of first power input gear of first gear pair, and then drives second rotating shaft and drive second group of eccentric block and rotate.This torque distribution mode has been simplified the layout of gear pair, and power peer is delivered to first and second two groups of eccentric blocks, has reduced power consumption, has improved efficient, and the reasonability that moment of torsion transmits obtains to improve.
Description of drawings
Fig. 1 is the structural representation in the vertical cross section on installation of the present invention and the vibrating wheels;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the A-A sectional view among Fig. 2;
Fig. 4 is the B-B sectional view among Fig. 2;
Fig. 5 is the structural representation of vibrating mechanism;
Fig. 6 is the arrangement of gears schematic diagram of first, second and third gear pair in the housing.
The specific embodiment
Referring to Fig. 1,2, the drive unit of road roller vibration mechanism, the housing 10 that comprises drive unit, at least comprise first in the housing 10, two gear pairs, first, two gear pair constant speed backward rotation, first, 2 two rotating shafts 30, an end of 40 and above-mentioned first, two gear pairs link to each other, first, 2 two rotating shafts 30,40 the other end to vibrating mechanism 20 1 sides extend and with vibrating mechanism 20 in first, two liang of group eccentric blocks 21,22 link to each other drives its backward rotation, forming downward vibration in vertical direction makes a concerted effort, described first gear pair comprises first power input gear 50 and first power output gear 60, the internal spline of first power output gear 60 cooperates with the axle head of first rotating shaft 30, described second gear pair comprises second power input gear 70 and second power output gear 90, the internal spline of second power output gear 90 cooperates with the axle head of second rotating shaft 40, second rotating shaft, 40 skies of hollow tubular are enclosed within on the axle body of first rotating shaft 30 described first, first of two gear pairs, second power input gear 50,70 are connected with power input shaft is coaxial.
In technique scheme, external impetus can adopt motor or hydraulic motor, its rotating shaft at first links to each other and transfer torque with the rotating shaft of first, second power input gear 50,70 of first and second gear pair, first, second power input gear 50,70 by first and second gear pair transfers torque on first, second power output gear 60,90 of first and second gear pair again, drive first and second two rotating shafts 30,40 with this and rotate, thereby drive first and second group eccentric block 21,22 backward rotation respectively.The torque distribution that makes the arrangement of this gear pair becomes with rationally, and the layout of gear pair is simplified and helped more to the structure of gear pair.
For realize vertical direction downward make a concerted effort than Datong District the time guarantee that load evenly distributes along the vibrating wheels length direction, it is necessary considering to be provided with two groups of above eccentric blocks, technique scheme provides moment of torsion when also very helping being provided with the 3rd group of eccentric block, and the setting that drives the 3rd gear pair of the 3rd group of eccentric block 23 rotations among the present invention also becomes easy.Specifically referring to Fig. 3,4,5, the 3rd gear pair that rotates in the same way with first gear pair also is set in the described housing 10, the 3rd gear pair links to each other with the 3rd rotating shaft 130, the 3rd rotating shaft 130 skies of hollow tubular are enclosed within on the axle body of second rotating shaft 40, end near vibrating mechanism 20 in the 3rd rotating shaft 130 is coaxial fixing with the 3rd group of eccentric block 23, simultaneously referring to Fig. 1, in vibrating mechanism 20, be provided with one group of first and third group of eccentric block 21,23, be provided with two groups of second group of eccentric blocks 22, amount to four groups of eccentric blocks.
Described housing 10 is fixed near an end of the body 24 of vibrating mechanism 20 and the inner ring of bearing 140, and the outer ring of bearing 140 is fixed in the canular bearing support 151 that is provided with on the vibrating wheels 150.
For convenience of explanation, an end of the housing described in the present invention 10 and the other end are meant the two ends of length direction of the rotating shaft of housing 10 mounting teeth wheel sets.
Drive unit is to be directly installed between the end of body 24 of vibrating mechanism 20 and the vibration damper complement like this, so just make and win, two, three rotating shafts 30,40,130 are effectively reduced to the distance the body 24 that enters the socket shape that constitutes vibrating mechanism from leaving the drive unit housing, can under the prerequisite of guaranteeing the eccentric block installation length, effectively reduce first on the one hand, two, three rotating shafts 30,40,130 length, the difficulty of processing of this favourable reduction rotating shaft and cost, improved the force environment that is subjected to of rotating shaft objectively, favourable minimizing rotating shaft is bent, distortion during torsional interaction; In addition, when drive unit be that the objective arrangement space of drive unit along the axial length direction that reduced helps reasonable Arrangement and organize eccentric block more when being directly installed between the end of body 24 of vibrating mechanism and the vibration damper complement.
Specify the structural concept of the gear pair that constitutes drive unit of the present invention below in conjunction with Fig. 3,4,5.
Described second gear pair comprises transition gear 80, and transition gear 80 meshes with second power input gear 70 and second power output gear 90 respectively.
Described first, second, third power input gear 50,70,110, there is the collar of extension vertically on the profile of tooth both sides of first, second, third power output gear 60,90,120 and transition gear 80, this collar cooperates fixing with the inner ring of bearing 170, the outer ring cooperation of bearing 170 is fixed in the housing 10 and is provided with on the bearing support 160.This employing bearing 170 fixes each gear, and both convenient the installation can guarantee stability, the reliability of working gear again.
Described bearing support 160 is a ring-type, and bearing support 160 is provided with limit baffle ring 161 each other.Provide several with bearing support 160 settings exactly as preferred scheme, 1～2 bearing of each bearing support 160 fixed installation.This structure can guarantee that the handling ease of bearing support 160, limit baffle ring 161 realizes that it is also very easy to assemble.
The 3rd power input gear 110 in described first, second power input gear 50,70 and the 3rd gear pair is fixed on the same splined shaft 100 by the internal spline that is provided with in it, adopt splined to help assembling, can guarantee the reliability that moment of torsion transmits again, splined shaft 100 moment of torsion rotating shafts direct and motor or hydraulic motor link.
Described housing 10 is positioned at axial about two ends end plate 11,12 is set, described inner end end plate 11 is provided with the through hole that passes through for first and second two rotating shafts 30,40, with the drive unit that constitutes after the end plate shutoff, be convenient to implement sealing, for gear drive lubricated provides assurance.
Below in conjunction with Fig. 1,3,4,5,6 explanations operating principle of the present invention.
The moment of torsion rotating shaft of motor or hydraulic motor drives first power input gear 50 and rotates, and first power input gear 50 and 60 engagements of first power output gear, first rotating shaft 30 link to each other with first power output gear 60 and drive 21 rotations of first group of eccentric block; Simultaneously fixedly connected first, second power input gear 50,70 on the splined shaft 100, so second power input gear 70 also together rotates, second power input gear 70 drives second power output gear 90 through transition gear 80 and rotates, second power output gear 90 and first power output gear, 60 direction of rotation, second power output gear 90 drives by second rotating shaft 40.
Two groups of second group of eccentric blocks 22 rotate and with first group of eccentric block 21 direction of rotation; Simultaneously, splined shaft 100 also is fixed with the 3rd power input gear 110, drive the 3rd power output gear 120 and rotate, the 3rd power output gear 120 drives the 3rd rotating shaft 130 drive 23, the three groups of eccentric blocks 23 of the 3rd group of eccentric block and first group of eccentric block 21 rotates in the same way.
Forming vertical vibration with joint efforts, should evenly distribute at the vibrating wheels length direction with joint efforts when eccentric block 21,22,23 rotates, vibratory compaction be implemented on pending road surface or roadbed by vibrating wheels.
Claims (8)
1. the drive unit of a road roller vibration mechanism, the housing (10) that comprises drive unit, housing comprises first in (10) at least, two gear pairs, first, 2 two rotating shafts (30,40) a end and above-mentioned first, two gear pairs link to each other, first, 2 two rotating shafts (30,40) the other end to vibrating mechanism (20) one sides extend and with vibrating mechanism (20) in first, two liang of group eccentric blocks link to each other and drive its backward rotation, forming downward vibration in vertical direction makes a concerted effort, it is characterized in that: described first gear pair comprises first power input gear (50) and first power output gear (60), the internal spline of first power output gear (60) cooperates with the axle head of first rotating shaft (30), described second gear pair comprises second power input gear (70) and second power output gear (90), the internal spline of second power output gear (90) cooperates with the axle head of second rotating shaft (40), second rotating shaft (40) sky of hollow tubular is enclosed within on the axle body of first rotating shaft (30), and first power input gear (50) of described first gear pair is connected with power input shaft is coaxial; Described second gear pair also comprises transition gear (80), and transition gear (80) meshes with second power input gear (70) and second power output gear (90) respectively, so that first and second gear pair constant speed backward rotation.
2. the drive unit of road roller vibration mechanism according to claim 1, it is characterized in that: the 3rd gear pair that rotates in the same way with first gear pair also is set in the described housing (10), the 3rd gear pair links to each other with the 3rd rotating shaft (130), the 3rd rotating shaft (130) sky of hollow tubular is enclosed within on the axle body of second rotating shaft (40), and the 3rd rotating shaft (130) is gone up near an end of vibrating mechanism (20) coaxial fixing with the 3rd group of eccentric block.
3. the drive unit of road roller vibration mechanism according to claim 1, it is characterized in that: an end of the body (24) of the close vibrating mechanism on the described housing (10) and the inner ring of bearing (140) are fixed, and the outer ring of bearing (140) is fixed on vibrating wheels (150) and goes up in the canular bearing support (151) that is provided with.
4. the drive unit of road roller vibration mechanism according to claim 2, it is characterized in that: described the 3rd gear pair comprises the 3rd power input gear (110) and the 3rd power output gear (120), and the 3rd power output gear (120) matches with the axle head away from vibrating mechanism (20) of the 3rd rotating shaft (130).
5. the drive unit of road roller vibration mechanism according to claim 4, it is characterized in that: described first, second, third power input gear (50,70,110), there is the collar that extends vertically on the profile of tooth both sides of first, second, third power output gear (60,90,120) and transition gear (80), this collar cooperates fixing with the inner ring of bearing (170), the outer ring cooperation of bearing (170) is fixed in the housing (10) and is provided with on the bearing support (160).
6. the drive unit of road roller vibration mechanism according to claim 4, it is characterized in that: the 3rd power input gear (110) in described first, second power input gear (50,70) and the 3rd gear pair is fixed on the same splined shaft (100) by the internal spline that is provided with in it.
7. the drive unit of road roller vibration mechanism according to claim 5, it is characterized in that: described housing (10) is positioned at axial about two ends end plate (11,12) is set, and the inner end end plate (11) of close vibrating mechanism (20) is provided with the through hole that passes through for first and second two rotating shafts (30,40).
8. the drive unit of road roller vibration mechanism according to claim 5 is characterized in that: described bearing support (160) is ring-type, and bearing support (160) is provided with limit baffle ring (161) each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810127863XA CN101302737B (en) | 2008-07-07 | 2008-07-07 | Drive device of road roller vibration mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810127863XA CN101302737B (en) | 2008-07-07 | 2008-07-07 | Drive device of road roller vibration mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101302737A CN101302737A (en) | 2008-11-12 |
| CN101302737B true CN101302737B (en) | 2010-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810127863XA Expired - Fee Related CN101302737B (en) | 2008-07-07 | 2008-07-07 | Drive device of road roller vibration mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101302737B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103993540A (en) * | 2014-05-28 | 2014-08-20 | 池州腾虎机械科技有限公司 | Connecting structure of multiple eccentric shafts and synchronous driving device thereof |
| CN104005320B (en) * | 2014-05-28 | 2016-05-11 | 合肥永安绿地工程机械有限公司 | A kind of directional vibration wheel system of road roller travelling gear box structure |
| CN104675977B (en) * | 2015-02-16 | 2017-04-19 | 合肥永安绿地工程机械有限公司 | Gearbox assembly with self-lubricating structure for vertical orientation vibratory roller |
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2008
- 2008-07-07 CN CN200810127863XA patent/CN101302737B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN101302737A (en) | 2008-11-12 |
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Granted publication date: 20101020 Termination date: 20200707 |
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| CF01 | Termination of patent right due to non-payment of annual fee |