CN201473860U - Road roller vibration exciter with adjustable excited force direction - Google Patents
Road roller vibration exciter with adjustable excited force direction Download PDFInfo
- Publication number
- CN201473860U CN201473860U CN2009201427795U CN200920142779U CN201473860U CN 201473860 U CN201473860 U CN 201473860U CN 2009201427795 U CN2009201427795 U CN 2009201427795U CN 200920142779 U CN200920142779 U CN 200920142779U CN 201473860 U CN201473860 U CN 201473860U
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- road roller
- vibrating
- cylindrical shell
- shaft
- force direction
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Abstract
The utility model belongs to the technical field of a vibratory roller and particularly relates to a road roller vibration exciter with adjustable excited force direction. The vibration exciter comprises a cylinder and vibrating shafts fixed in the cylinder, wherein the cylinder is supported and fixed on a vibrating wheel through a bearing; the vibrating shafts are respectively provided with an eccentric block; a vibrating motor fixed on the front frame of the road roller is connected with the vibrating shaft through a transmission mechanism; one side of the cylinder is provided with a driving mechanism fixed on the front frame of the road roller; and the driving mechanism drives the cylinder to rotate corresponding to the vibrating wheel. When the direction of the excited force needs to be adjusted, the driving mechanism is started to drive the cylinder to rotate corresponding to the vibrating wheel, then the direction of the excited force changes, thereout, the resultant force of the eccentric block on the vibrating shaft is changed, and the change amplitude is adjusted at any time along with the rotation angle of the cylinder. The road roller vibration exciter realizes the stepless adjustment of the excited force direction of the road roller, and has simple structure and easy realization.
Description
Technical field
The utility model belongs to the vibratory roller technical field, is specifically related to the adjustable road roller exciter of a kind of exciting force direction.
Background technology
The exciting force direction of vibratory roller in the market is fixing unadjustable, and in the practice of construction process, for the highway section of different roadbed, its tolerance difference to ramming is if tamping force is excessive, then make the roadbed fragmentation easily, tamping force is too small, is not easy firm roadbed again, so vibratory roller need be adjusted the direction of exciting force in light of the circumstances, the eccentric vibration mechanism of obviously existing vibratory roller can not satisfy actual needs, needs improvement badly.
The utility model content
The purpose of this utility model provides the adjustable road roller exciter of a kind of exciting force direction, and its exciting force direction can be adjusted at any time according to on-site actual situations, and simple structure, is convenient to produce.
For achieving the above object, the utility model has adopted following technical scheme: the adjustable road roller exciter of a kind of exciting force direction, comprise cylindrical shell and the vibrating shaft that is fixed therein, cylindrical shell is fixed on the vibrating wheels by bearings, be provided with eccentric block on the vibrating shaft, the vibrating motor that is fixed on the road roller front frame links to each other with vibrating shaft by transmission mechanism, one side of described cylindrical shell is provided with the driving mechanism that is fixed on the road roller front frame, and the drive mechanism cylindrical shell rotates with respect to vibrating wheels.
As shown from the above technical solution, when not needing to adjust the exciting force direction, the vibrating motor on the road roller drives vibrating shaft by transmission mechanism and rotates, and vibrating shaft drives eccentric block whirling vibration immediately, and road roller then acts on roadbed under fixed amplitude; When needs are adjusted the exciting force direction, start driving mechanism, then the drive mechanism cylindrical shell rotates with respect to vibrating wheels, because vibrating shaft is fixed on the cylindrical shell, therefore vibrating shaft also rotates with respect to vibrating wheels, the direction of exciting force changes thereupon, the size of making a concerted effort of the eccentric block on the vibrating shaft also changes thus, the amplitude that also is road roller changes, the amplitude that the exciting force direction changes is then adjusted at any time with the rotational angle of cylindrical shell, and therefore as can be known, the utility model has been realized exciting force direction stepless adjustable of road roller, and simple structure is easy to realize.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the drive mechanism schematic diagram of transmission mechanism.
The specific embodiment
As shown in Figure 1, the adjustable road roller exciter of a kind of exciting force direction, the vibrating shaft 40A, the 40B that comprise cylindrical shell 10 and be fixed therein, cylindrical shell 10 is supported and fixed on the vibrating wheels 30 by bearing 20, be provided with eccentric block 50 on vibrating shaft 40A, the 40B, the vibrating motor 60 that is fixed on the road roller front frame links to each other with vibrating shaft 40A, 40B by transmission mechanism 70, one side of described cylindrical shell 10 is provided with the driving mechanism 80 that is fixed on the road roller front frame, and driving mechanism 80 drives cylindrical shell 10 and rotates with respect to vibrating wheels 30.
As shown in Figure 1, described vibrating shaft 40A, 40B are symmetrically distributed with respect to the axis of rotation of cylindrical shell 10, the mutual balance of moment that forms when helping eccentric block 50 vibrations on vibrating shaft 40A, the 40B, the resultant direction that forms when also making simultaneously eccentric block 50 vibrations is passed the axis of rotation of cylindrical shell 10, makes the whole force-bearing situation of cylindrical shell 10 comparatively balanced.
When described vibrating shaft 40A, the residing plane of 40B are horizontal plane, and the quantity of eccentric block 50 equates and during along the axis of rotation symmetry arrangement of cylindrical shell 10 on the axle, eccentric block 50 formed resultant directions on vibrating shaft 40A, the 40B are vertical direction, the exciting force that also is the horizontal direction of eccentric block 50 is offset, and the exciting force of vertical direction superposes mutually, thereby helps forming firm exciting force.
As shown in Figure 1, the quantity of the eccentric block 50 on described vibrating shaft 40A, the 40B equates and is 2～4.
The quantity of eccentric block 50 can change the size of the exciting force of road roller, helps operating personnel and makes suitable selection according to different foundation situation.Eccentric block 50 on vibrating shaft 40A, the 40B should be staggered, so that the trouble-free operation of eccentric block 50, and the equilibrium that helps the power and the moment of vibrator integral body.
As shown in Figure 1, described bearing 20 is arranged on the outer circumference wall of cylindrical shell 10 equably along the axis of rotation direction of cylindrical shell 10, and bearing 20 is fixed on the vibrating wheels 30 by the gripper shoe 31 that links to each other with its outer ring.This arrangement of bearing 20 can be born the impact load that eccentric block 50 forms better, and guarantees the work that vibrator can be continual and steady.
Transmission mechanism 70 has multiple implementation, as preferred version of the present utility model, as shown in Figure 1, 2, described transmission mechanism 70 comprises the driving gear 71 that links to each other with vibrating motor 60, the both sides of driving gear 71 are provided with driven gear 72,73, driven gear 72,73 and vibrating shaft 40A, 40B one are corresponding and be fixed on shaft end, and driving gear 71 directly links to each other with one of them driven gear 72, and links to each other with another driven gear 73 by transition gear 74.
Described transmission mechanism 70 links to each other with driving gear 71 by power transmission shaft 75, and the axis direction of power transmission shaft 75 overlaps mutually with the bearing of trend of the axis of rotation of cylindrical shell 10.
During work, vibrating motor 60 drives driving gear 71 by power transmission shaft 75 and rotates, the driven gear 72,73 that driving gear 71 drives its both sides immediately rotates, by as can be known aforementioned, the direction of rotation of driven gear 72,73, thus make that the rotation direction of vibrating shaft 40A, 40B is also opposite, and then the rotation direction of the eccentric block 50 on vibrating shaft 40A, the 40B is also opposite, so that the exciting force of the horizontal direction of eccentric block 50 is offset, and the exciting force of vertical direction superposes mutually.
As the further preferred version of the utility model, as shown in Figure 1, 2, described driven gear 72,73 and vibrating shaft 40A, 40B are hollow form and are provided with internal spline, are provided with splined shaft 90 with transmission between driven gear 72,73 and its corresponding vibrating shaft 40A, the 40B.
The setting of internal spline and splined shaft 90 not only helps transmission, and has reduced the consumption of the material of vibrating shaft 40A, 40B and driven gear 72,73, has reduced the manufacturing cost of product.
As shown in Figure 1, described cylindrical shell 10 and driving mechanism 80 relative end caps 11 are provided with ring gear, are provided with the gear 81 that is meshed with it in the ring gear, and described gear 81 links to each other with the driving shaft 82 of driving mechanism 80.
During work, when needs change the exciting force direction of road roller, start driving mechanism 80, then driving mechanism 80 moves and rotates by driving shaft 82 driven gears 81, and gear 81 is meshed with ring gear on the end cap 11, therefore ring gear begins to rotate with respect to vibrating wheels 30, also be that end cap 11 rotates with respect to vibrating wheels 30, because end cap 11 is fixed on the end of cylindrical shell 10, therefore cylindrical shell 10 also rotates with respect to vibrating wheels 30, and owing to hold driving gear 71 and driven gear 72,73 gear-box 76 also is fixedly installed in the cylindrical shell 10, therefore gear-box 76 also rotates synchronously with cylindrical shell 10, make vibrating shaft 40A in the cylindrical shell 10 simultaneously, the plane that 40B forms also rotates with respect to vibrating wheels 30, thereby the exciting force direction of road roller is changed, the component that in the vertical direction produces during eccentric block 50 vibrations simultaneously also changes, the amplitude that amplitude that road roller exciting force direction changes and aforementioned component change changes with the angle that cylindrical shell 10 rotates, thereby has realized the stepless adjustable of exciting force direction.
As preferred version of the present utility model, described vibrating motor 60 is a hydraulic motor, and hydraulic motor drives operation by variable pump.
Hydraulic motor on the road roller is to move rotation by the hydraulic system fuel feeding that oil pump is controlled, if oil pump is chosen as variable pump, then can realize the stepless speed regulation of vibrating motor 60, also make the vibrator direction of road roller obtain more various regulative mode, thereby make road roller carry out construction with a definite target in view, improved speed of application and construction effect at different roadbed highway sections.
Claims (10)
1. road roller exciter that the exciting force direction is adjustable, comprise cylindrical shell (10) and the vibrating shaft (40A that is fixed therein, 40B), cylindrical shell (10) is supported and fixed on the vibrating wheels (30) by bearing (20), vibrating shaft (40A, be provided with eccentric block (50) 40B), the vibrating motor (60) that is fixed on the road roller front frame passes through transmission mechanism (70) and vibrating shaft (40A, 40B) link to each other, it is characterized in that: a side of described cylindrical shell (10) is provided with and is fixed on the road roller front frame and driving mechanism (80) that driving cylindrical shell (10) rotates with respect to vibrating wheels (30).
2. the adjustable road roller exciter of exciting force direction according to claim 1 is characterized in that: described driving mechanism (80) and transmission mechanism (70) are arranged on the homonymy of cylindrical shell (10).
3. the adjustable road roller exciter of exciting force direction according to claim 1, it is characterized in that: described vibrating shaft (40A, 40B) is symmetrically distributed with respect to the axis of rotation of cylindrical shell (10), and the quantity of the eccentric block (50) on the described vibrating shaft (40A, 40B) equates and is 2～4.
4. the adjustable road roller exciter of exciting force direction according to claim 1, it is characterized in that: described bearing (20) is arranged on the outer circumference wall of cylindrical shell (10) equably along the axis of rotation direction of cylindrical shell (10), and bearing (20) is fixed on the vibrating wheels (30) by the gripper shoe (31) that links to each other with its outer ring.
5. the adjustable road roller exciter of exciting force direction according to claim 1 is characterized in that: described vibrating motor (60) is the hydraulic motor that is driven operation by variable pump.
6. the adjustable road roller exciter of exciting force direction according to claim 1 and 2, it is characterized in that: described transmission mechanism (70) comprises the driving gear (71) that links to each other with vibrating motor (60), the both sides of driving gear (71) are provided with driven gear (72,73), driven gear (72,73) is corresponding one by one with vibrating shaft (40A, 40B) and be fixed on shaft end, driving gear (71) directly links to each other with one of them driven gear (72), and links to each other with another driven gear (73) by transition gear (74).
7. the adjustable road roller exciter of exciting force direction according to claim 1 and 2, it is characterized in that: the end cap (11) that described cylindrical shell (10) is relative with driving mechanism (80) is provided with ring gear, be provided with the gear (81) that is meshed with it in the ring gear, described gear (81) links to each other with the driving shaft (82) of driving mechanism (80).
8. the adjustable road roller exciter of exciting force direction according to claim 3 is characterized in that: the residing plane of described vibrating shaft (40A, 40B) is a horizontal plane.
9. new road roller exciter according to claim 6, it is characterized in that: described driven gear (72,73) and vibrating shaft (40A, 40B) are hollow form and are provided with internal spline, are provided with splined shaft (90) with transmission between driven gear (72,73) and its corresponding vibrating shaft (40A, 40B).
10. the adjustable road roller exciter of exciting force direction according to claim 6, it is characterized in that: described transmission mechanism (70) links to each other with driving gear (71) by power transmission shaft (75), and the axis direction of power transmission shaft (75) overlaps mutually with the bearing of trend of the axis of rotation of cylindrical shell (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201427795U CN201473860U (en) | 2009-01-20 | 2009-01-20 | Road roller vibration exciter with adjustable excited force direction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201427795U CN201473860U (en) | 2009-01-20 | 2009-01-20 | Road roller vibration exciter with adjustable excited force direction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201473860U true CN201473860U (en) | 2010-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201427795U Expired - Fee Related CN201473860U (en) | 2009-01-20 | 2009-01-20 | Road roller vibration exciter with adjustable excited force direction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201473860U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110855069A (en) * | 2019-12-19 | 2020-02-28 | 新乡市弘升振动电机有限公司 | Vibrating motor base capable of adjusting angle |
| CN109082978B (en) * | 2018-09-26 | 2024-04-26 | 青岛科技大学 | Gear rack type amplitude modulation excitation device |
-
2009
- 2009-01-20 CN CN2009201427795U patent/CN201473860U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109082978B (en) * | 2018-09-26 | 2024-04-26 | 青岛科技大学 | Gear rack type amplitude modulation excitation device |
| CN110855069A (en) * | 2019-12-19 | 2020-02-28 | 新乡市弘升振动电机有限公司 | Vibrating motor base capable of adjusting angle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100519 Termination date: 20170120 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |