CN115142318A - Stepless frequency conversion torsion hydraulic vibration road roller - Google Patents
Stepless frequency conversion torsion hydraulic vibration road roller Download PDFInfo
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- CN115142318A CN115142318A CN202210881412.5A CN202210881412A CN115142318A CN 115142318 A CN115142318 A CN 115142318A CN 202210881412 A CN202210881412 A CN 202210881412A CN 115142318 A CN115142318 A CN 115142318A
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- 238000006243 chemical reaction Methods 0.000 title description 5
- 230000007246 mechanism Effects 0.000 claims abstract description 47
- 230000005540 biological transmission Effects 0.000 claims abstract description 41
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 39
- 239000010959 steel Substances 0.000 claims abstract description 39
- 230000007306 turnover Effects 0.000 claims description 37
- 238000000034 method Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000009194 climbing Effects 0.000 abstract description 2
- 238000005056 compaction Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
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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
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
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- Civil Engineering (AREA)
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- General Engineering & Computer Science (AREA)
- Road Paving Machines (AREA)
Abstract
An electrodeless variable frequency torsional hydraulic vibratory roller belongs to the field of machinery and comprises a vibratory steel wheel, a planetary gear transmission mechanism, a walking driving mechanism, a transmission shaft, a hollow shaft, a frame, a four-way vibratory rotary valve and a swing oil cylinder, and is characterized in that the vibratory steel wheel is connected with two sets of planetary gear transmission mechanisms, the planetary gear transmission mechanisms are connected with the walking driving mechanism, and the walking driving mechanism is arranged on the frame; the output shaft of the swing oil cylinder is connected with the planetary gear transmission mechanism; the vibrating steel wheel comprises: the device comprises a cylinder body and end discs, wherein the two ends of the cylinder body are respectively provided with one end disc; each end disc is provided with a planetary gear transmission mechanism. The invention has strong climbing capability, good compaction effect, multiple purposes, energy saving and high efficiency.
Description
Technical Field
The invention belongs to the field of machinery, relates to the technology of vibratory rollers, and particularly relates to an electrodeless variable frequency torsional hydraulic vibratory roller.
Background
Among the existing technologies of vibratory rollers, there is a vibratory roller whose vibratory steel wheel generates circumferential vibration by using an inertial vibration technology, which is: the centrifugal force generated by the synchronous rotation of the two eccentric blocks is used as an effective exciting force to drive the vibrating steel wheel to generate circumferential vibration; the effective exciting force is a simple harmonic force which changes along with a time period, 50% of component force of the simple harmonic force is counteracted with each other to do useless work in a vibration period, so that the problem of low energy utilization rate exists, and the existing vibration road roller only has one or two fixed vibration frequencies and has the problem that the vibration frequency cannot be changed in real time to improve the construction efficiency and reduce the cost according to the requirements of construction conditions; and the structure is complex, the manufacturing cost is high, and the machine is a high-energy-consumption machine.
Disclosure of Invention
The invention provides a stepless frequency conversion torsion hydraulic vibratory roller, aiming at solving the problems of low energy utilization rate and incapability of realizing real-time stepless frequency conversion of vibration frequency in the existing vibratory roller technology and improving the overall working performance of the vibratory roller.
The technical scheme of the invention is as follows: an electrodeless variable frequency torsional hydraulic vibratory roller comprising: the device comprises a vibration steel wheel, a walking driving mechanism, a swing oil cylinder, a four-way reversing rotary valve, an oil pipe and a rack; is characterized in that: the vibration steel wheel is a component which takes the swing oil cylinder as a power element and can perform torsional vibration, and the vibration steel wheel comprises: the device comprises a cylinder body, an end disc and a linkage gear transmission mechanism; two end discs are arranged in an inner hole of the cylinder body; the linkage gear transmission mechanism is arranged on the two end plates and is a gear transmission mechanism with a symmetrical structure.
The linkage gear transmission mechanism comprises: the device comprises a central gear, an epicyclic frame, a mandrel, an internal gear, a box body, a hollow shaft and a transmission shaft; the central gear, the turnover frame, the mandrel and the internal gear are sequentially arranged in the box body, and the central gear is arranged at the axis position of the turnover frame; three mandrels are radially mounted on the turnover frame, an included angle of 120 degrees is formed between every two adjacent mandrels, each mandrel is sleeved with one turnover gear in a sliding mode, all three turnover gears are meshed with the central gear, and the internal gear is fixedly mounted with the box body and meshed with the three turnover gears; the hollow shaft fixedly connects the turnover frames on the two sides together; two ends of the central gear are provided with outward extending shafts, a spline hole is formed in the center of each outward extending shaft, and the two central gears are connected through splines at two ends of the transmission shaft; the transmission shaft is arranged in the shaft hole of the hollow shaft; two sides of the turnover frame are provided with outward extending shafts with holes in the middle, and the outward extending shafts are connected with the box body through bearings; the outward extending shaft of the turnover frame is also connected with the frame through a bearing so as to support the main machine body of the road roller; a flange is arranged outside the box body, and the linkage gear transmission mechanism is fixedly connected with the end disc through the flange; the swing oil cylinder is a power element for generating torsional hydraulic vibration and is arranged on the left side frame; an output shaft of the swing oil cylinder is connected with a central gear spline; the linkage gear transmission mechanism is arranged in the vibrating steel wheel, so that the left end and the right end of the vibrating steel wheel are stressed uniformly, and the amplitudes of all the parts are the same;
the linkage gear transmission mechanism is a fixed-axis gear train for transmitting torsional vibration, and the torsional vibration is small-amplitude swing and does not rotate in a whole circle; wherein the epicyclic gear acts as an idler gear; torsional vibration (amplitude) output by the swing oil cylinder is transmitted to the turnover gear, the internal gear, the box body and the end disc through the central gear and then transmitted to the cylinder body, so that the vibrating steel wheel can synchronously vibrate with the torsional vibration (amplitude) output by the swing oil cylinder; when the vibrating steel wheel rolls on the ground, the output shaft of the swing oil cylinder is connected with the central gear, and both the output shaft and the output shaft can only do torsional vibration and can not rotate in a whole circle, so that the peripheral gear can revolve around the central gear, and in the revolution process, the torsional vibration of the central gear is uninterruptedly carried out, and the peripheral gear also uninterruptedly transmits the torsional vibration; the vibration steel wheel can keep continuous torsional vibration in the rolling process; therefore, the stepless variable frequency torsional hydraulic vibratory roller can continuously perform torsional vibration in the walking process, and the torsional vibration is convenient to walk.
The invention further adopts the technical scheme that: the structure form of the swing oil cylinder is a rack and pinion structure, and the swing oil cylinder is provided with two oil ports and two hydraulic working chambers; two control ports of the four-way vibration rotary valve are communicated with two oil ports of the swing oil cylinder by an oil pipe, then high-pressure oil is alternately supplied to two hydraulic working chambers of the swing oil cylinder through a high-pressure port of the four-way vibration rotary valve, and the swing oil cylinder can output torsional vibration under the action of hydraulic pressure; the valve core of the four-way vibration rotary valve is driven to rotate by a motor, and the vibration frequency of the swing oil cylinder depends on the revolution of the valve core; the output revolution of the motor is steplessly changed by the airborne controller, so that the valve core is steplessly changed, and the vibration frequency output by the swing oil cylinder is steplessly changed.
The invention further adopts the technical scheme that: the traveling driving mechanism is arranged on the left side frame, an output shaft of the traveling driving mechanism is connected with the turnover frame on the left side in the linkage gear transmission mechanism through a key and drives the turnover frame to rotate, the turnover frame can drive the turnover gear to revolve around the central gear and rotate when rotating, the turnover gear drives the inner gear to rotate and drives the cylinder to roll on the ground through the box body and the end disc, and therefore the vibrating steel wheel can roll on the ground; the two parts of the walking driving mechanism and the swing oil cylinder are fixedly arranged on the frame and do not roll along with the vibration steel wheel.
The invention further adopts the technical scheme that: the four-way reversing rotary valve comprises a valve core, a valve sleeve, a valve body, a front end cover and a rear end cover; the valve core is arranged in the central hole of the valve sleeve; the valve core and the valve sleeve can slide and relatively rotate without clearance, and the valve core is driven to rotate by a motor; the valve sleeve is arranged in the central hole of the valve body and is connected with the valve body in an interference fit manner; two ends of the valve body are respectively sealed by a front end cover and a rear end cover; the front end cover is provided with a shaft hole for the extension shaft of the valve core to extend out and seal; the back end cover is provided with a main liquid return hole, and the four-way reversing rotary valve only needs two control ports for the invention; the output revolution of the valve core driving motor is steplessly changed by the airborne controller to lead the valve core to steplessly change speed, thus the output torsional vibration frequency of the swing oil cylinder can be steplessly changed, and the torsional vibration frequency of the vibration steel wheel is steplessly changed.
The invention has the beneficial effects that: the stepless variable frequency torsion hydraulic vibratory roller has high energy utilization rate and obvious energy-saving effect; the vibration frequency can be changed in real time to meet various construction requirements, and the construction cost is reduced; the climbing capability is strong, and the compaction effect is good; and the structure is simple, the design is reasonable, the manufacture is easy, the use is reliable, and the beneficial effect can be generated in the application.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 isbase:Sub>A schematic sectional view A-A of the present invention;
FIG. 3 is a schematic structural view of the four-way reversing valve of the present invention.
In the figure: 1. vibrating the steel wheel; 2. a barrel; 3. an end plate; 4. a linkage gear transmission mechanism; 5. a sun gear; 6. a turnover frame; 7. an epicyclic gear; 8. a mandrel; 9. an internal gear; 10. a box body; 11. a travel drive mechanism; 12. a drive shaft; 13. a hollow shaft; 14. a frame; 15. a four-way reversing rotary valve; 16. a swing oil cylinder; 17. an oil pipe. 15-1 valve core; 15-2, valve sleeve; 15-3, a valve body; 15-4, a front end cover; 15-5, a rear end cover; 15-6, a control port; 15-7, a high-pressure oil port; 18-8 and a total oil return port.
Detailed Description
As shown in fig. 1, an electrodeless frequency conversion torsion hydraulic vibratory roller comprises: the device comprises a swing oil cylinder (16), a vibration steel wheel (1), a walking driving mechanism (11), a four-way reversing rotary valve (15), an oil pipe (17) and a rack (14); the method is characterized in that: the swing oil cylinder (16) is a power element for generating torsional hydraulic vibration; the vibration steel wheel (1) is a component which can vibrate in a torsional mode by taking a swing oil cylinder (16) as a power element.
The vibrating steel wheel (1) comprises: the device comprises a cylinder body (2), an end disc (3) and a linkage gear transmission mechanism (4); the linkage gear transmission mechanism (4) is a gear transmission mechanism with a symmetrical structure, and comprises: the gear transmission mechanism comprises a central gear (5), a turnover gear (6), a turnover frame (6), a mandrel (8), an internal gear (9), a box body (10), a hollow shaft (13) and a transmission shaft (12); wherein, a central gear (5), a revolving gear (7), a revolving frame (6), a mandrel (8) and an internal gear (9) are sequentially arranged in a box body (10), and the central gear (5) is arranged at the central position of the revolving frame (6); three mandrels (8) are arranged on the revolving frame (6), an included angle of 120 degrees is formed between every two adjacent mandrels (8), a revolving gear (6) is sleeved on each mandrel (8) in a sliding mode, and the three revolving gears (6) are meshed with the central gear (5); the outer cylindrical surface of the internal gear (9) is fixedly connected with the box body (10) and is concentric with the central gear (5) and the turnover frame (6), and the internal gear (9) is also meshed with the three turnover gears (6); the turnover frames (6) on the two sides are fixedly connected with each other by a hollow shaft (13); two ends of the central gear (5) are provided with outward extending shafts, a spline hole is formed in the center of each outward extending shaft, and the two central gears (5) are connected through splines at two ends of a transmission shaft (12); the transmission shaft (12) is arranged in an inner hole of the hollow shaft (13); two sides of the turnover frame (6) are provided with outward extending shafts with holes in the middle, and the outward extending shafts are connected with the box body (10) through bearings; the outer extending shaft of the turnover frame (6) is also connected with the frame (14) by a bearing so as to support the main machine body of the road roller; a flange is arranged outside the box body (10), and the linkage gear transmission mechanism (4) is fixedly connected with the end disc (3) through the flange; the linkage gear transmission mechanism (4) is arranged at the central position of the vibrating steel wheel (1), so that the left end and the right end of the vibrating steel wheel (1) are stressed evenly, and the amplitudes of all the parts are equal.
Further embodiments of the invention: the linkage gear transmission mechanism (4) is a fixed-axis gear train for transmitting torsional vibration, wherein an epicyclic gear (6) plays a role of an idler, and the torsional vibration output by the swing oil cylinder (16) is transmitted to the cylinder body (2) through the paths of a central gear (5), a transmission shaft (12), an epicyclic gear (7), an internal gear (9), a box body (10) and an end disc (3), so that the vibration steel wheel (1) can vibrate synchronously with the torsional vibration output by the swing oil cylinder (16); when the vibrating steel wheel (1) rolls on the ground, the output shaft of the swing oil cylinder (16) is connected with the central gear (5), and both the output shaft and the output shaft can only do torsional vibration and can not rotate in a whole circle, so that the peripheral gear (6) can revolve around the central gear (5), the torsional vibration of the central gear (5) is carried out uninterruptedly in the revolution process, and the peripheral gear (6) also transmits the torsional vibration uninterruptedly; therefore, the vibrating steel wheel (1) can keep continuous torsional vibration in the rolling process; therefore, the stepless variable frequency torsional hydraulic vibratory roller can continuously perform torsional vibration in the walking process, and the torsional vibration is convenient to walk.
Further embodiments of the invention: the swing oil cylinder (16) is a rack and pinion power element.
The swing oil cylinder (16) is provided with two oil ports and two working cavities, the cylinder body of the swing oil cylinder (16) is arranged on the right side rack (14), and the output shaft of the swing oil cylinder is connected with the right side central gear (5) through a spline; then, two control ports (15-6) of the four-way vibration rotary valve (15) are communicated with two oil ports of the swing oil cylinder (16) through an oil pipe (17), then high-pressure oil is alternately supplied to two working chambers of the swing oil cylinder (16) through a high-pressure port (15-7) of the four-way vibration rotary valve (15), and the swing oil cylinder (16) can output torsional vibration under the action of hydraulic pressure; a valve core (15-1) of the four-way oscillating rotary valve (15) is driven to rotate by a motor, and the oscillation frequency of the oscillating oil cylinder (16) depends on the revolution number of the valve core (15-1); the output revolution of the motor is steplessly changed by the airborne controller to lead the valve core (15-1) to steplessly change the speed, thus the output torsional vibration frequency of the swing oil cylinder (16) can be steplessly changed.
The traveling driving mechanism (11) is installed on the left side rack (14), an output shaft of the traveling driving mechanism (11) is connected with the turnover frame (6) on the left side of the linkage gear transmission mechanism (4) through a key and drives the turnover frame (6) to rotate, the turnover frame (6) can drive the turnover gear (6) to revolve around the central gear (5) and rotate when rotating, the turnover gear (6) drives the internal gear (9) to rotate and drives the cylinder body (2) to roll on the ground through the box body (10) and the end disc (3), and therefore the vibrating steel wheel (1) can roll on the ground to travel; the two parts of the walking driving mechanism (11) and the swing oil cylinder (16) are fixedly arranged on the frame (14) and do not roll along with the vibration steel wheel (1).
The four-way reversing rotary valve (15) comprises a valve core (15-1), a valve sleeve (15-2), a valve body (15-3), a front end cover (15-4) and a rear end cover (15-5); the valve core (15-1) is arranged in the central hole of the valve sleeve (15-2); the valve core (15-1) and the valve sleeve (15-2) can slide and relatively rotate without clearance, and the valve core (15-1) is driven by a motor to rotate; the valve sleeve (15-2) is arranged in a central hole of the valve body (15-3), and the valve sleeve (15-2) is connected with the valve body (15-3) in an interference fit manner; two ends of the valve body (15-3) are respectively sealed by a front end cover (15-4) and a rear end cover (15-5) and sealed; the front end cover (15-4) is provided with a shaft hole for the outward extending shaft of the valve core (15-1) to extend out and seal; the rear end cover (15-5) is provided with a total liquid return hole (15-8), and the four-way reversing rotary valve (15) is used for the invention and only needs two control ports (15-6); the output revolution of the driving motor is steplessly changed by the airborne controller to lead the valve core (15-1) to steplessly change the speed, so that the output torsional vibration frequency of the swing oil cylinder (16) can be steplessly changed, and the torsional vibration frequency of the vibration steel wheel (1) is steplessly changed.
Description of the drawings: the four-way vibrating rotary valve can adopt Chinese patent number 202123083602.2, and is named as a vane type multi-loop synchronous vibrating rotary valve.
The other necessary parts of the roller of the invention are the same as those of the existing rollers.
Claims (8)
1. An electrodeless variable frequency torsion hydraulic vibratory roller comprises a vibratory steel wheel, a walking driving mechanism, a swing oil cylinder, a four-way reversing rotary valve, an oil pipe and a frame; the vibration steel wheel is connected with a walking driving mechanism, and the walking driving mechanism is arranged on the rack; the swing oil cylinder is connected with the frame; the method is characterized in that: the vibrating steel wheel comprises a cylinder body, an end disc and a linkage gear transmission mechanism; two end plates are arranged in the inner hole of the cylinder body; the linkage gear transmission mechanism is arranged on the two end discs; the linkage gear transmission mechanism comprises a central gear, an epicyclic frame, a mandrel, an internal gear, a box body, a hollow shaft and a transmission shaft; the central gear, the turnover frame, the mandrel and the internal gear are sequentially arranged in the box body, and the central gear is arranged at the axis position of the turnover frame; three mandrels are radially mounted on the turnover frame, an included angle of 120 degrees is formed between every two adjacent mandrels, each mandrel is sleeved with one turnover gear in a sliding mode, all three turnover gears are meshed with the central gear, and the internal gear is fixedly mounted with the box body and meshed with the three turnover gears; the hollow shaft fixedly connects the turnover frames at two sides together; two ends of the central gear are provided with outward extending shafts, a spline hole is formed in the center of each outward extending shaft, and the two central gears are connected through splines at two ends of the transmission shaft; the transmission shaft is arranged in the shaft hole of the hollow shaft; two sides of the turnover frame are provided with outward extending shafts with holes in the middle, and the outward extending shafts are connected with the box body through bearings; the outward extending shaft of the turnover frame is also connected with the frame through a bearing so as to support the main machine body of the road roller; a flange is arranged outside the box body, and the linkage gear transmission mechanism is fixedly connected with the end disc through the flange; the swing oil cylinder is arranged on the left side frame; an output shaft of the swing oil cylinder is connected with a central gear spline; the linkage gear transmission mechanism is arranged in the vibrating steel wheel, so that the left end and the right end of the vibrating steel wheel are stressed evenly, and the amplitudes of all the parts are the same.
2. The stepless torque-changing hydraulic vibratory roller as claimed in claim 1, wherein the linkage gear transmission mechanism is a fixed-axis gear train for transmitting torsional vibration, and the torsional vibration generated by the linkage gear transmission mechanism swings with small amplitude and does not rotate in a whole circle; the epicyclic gear acts as an idler.
3. The stepless torque-variable hydraulic vibratory roller as claimed in claim 1, wherein the torsional vibration amplitude output by the swing cylinder is transmitted to the epicyclic gear, the internal gear, the box body and the end disc through the central gear, and then transmitted to the cylinder body, so that the vibrating steel wheel can vibrate synchronously with the torsional vibration amplitude output by the swing cylinder; when the vibrating steel wheel rolls on the ground, the output shaft of the swinging oil cylinder is connected with the central gear, and both the output shaft and the central gear can only do torsional vibration and can not rotate in a whole circle, so that the revolving gear can revolve around the central gear, and in the revolving process, the torsional vibration of the central gear is carried out uninterruptedly, and the revolving gear also transmits the torsional vibration uninterruptedly; the vibration steel wheel can keep continuous torsional vibration in the rolling process; therefore, the stepless variable frequency torsional hydraulic vibratory roller can continuously perform torsional vibration in the walking process, and the torsional vibration is convenient to walk.
4. The stepless torque-changing hydraulic vibratory roller according to claim 1, wherein the structural form of the swing cylinder is a rack and pinion structure, and the swing cylinder is provided with two oil ports and two hydraulic working chambers; two control ports of the four-way vibration rotary valve are communicated with two oil ports of the swing oil cylinder by an oil pipe, then high-pressure oil is alternately supplied to two hydraulic working chambers of the swing oil cylinder through a high-pressure port of the four-way vibration rotary valve, and the swing oil cylinder can output torsional vibration under the action of hydraulic pressure; the valve core of the four-way vibration rotary valve is driven to rotate by a motor, and the vibration frequency of the swing oil cylinder depends on the revolution of the valve core; the output revolution of the motor is steplessly changed through the onboard controller, so that the valve core is steplessly changed in speed, and the vibration frequency output by the swing oil cylinder is steplessly changed.
5. The stepless torque-changing hydraulic vibratory roller as claimed in claim 1, wherein the output shaft of the traveling driving mechanism is connected with the left revolving frame in the linkage gear transmission mechanism by a key and drives the revolving frame to rotate, the revolving frame can drive the revolving gear to revolve around the central gear and rotate when rotating, the revolving gear drives the inner gear to rotate and drives the cylinder to roll on the ground through the box body and the end disc, and therefore the vibrating steel wheel can roll on the ground; the two parts of the walking driving mechanism and the swing oil cylinder are fixedly arranged on the frame and do not roll along with the vibration steel wheel.
6. The electrodeless torque-variable hydraulic vibratory roller as defined in claim 1, wherein the four-way reversing valve comprises a valve core, a valve sleeve, a valve body, a front end cover and a rear end cover; the valve core is arranged in the central hole of the valve sleeve; the valve core and the valve sleeve can slide and relatively rotate without clearance, and the valve core is driven to rotate by a motor; the valve sleeve is arranged in the central hole of the valve body and is connected with the valve body in an interference fit manner; two ends of the valve body are respectively sealed by a front end cover and a rear end cover; the front end cover is provided with a shaft hole for the extension shaft of the valve core to extend out and seal; the back end cover is provided with a main liquid return hole, and the four-way reversing rotary valve only needs two control ports when being used in the invention; the output revolution of the valve core driving motor is steplessly changed by the onboard controller to lead the valve core to steplessly change the speed, so that the output torsional vibration frequency of the swing oil cylinder can be steplessly changed, and further the torsional vibration frequency of the vibration steel wheel can be steplessly changed.
7. An electrodeless variable torque hydraulic vibratory roller as claimed in claim 1 in which the linkage gearing is a symmetrical arrangement of gearing mounted on the two end discs.
8. The stepless torque-variable hydraulic vibratory roller according to claim 1, wherein said swing cylinder is a power element generating torsional hydraulic vibration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210881412.5A CN115142318B (en) | 2022-07-26 | 2022-07-26 | Electrodeless variable-frequency torsion hydraulic vibratory roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210881412.5A CN115142318B (en) | 2022-07-26 | 2022-07-26 | Electrodeless variable-frequency torsion hydraulic vibratory roller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115142318A true CN115142318A (en) | 2022-10-04 |
| CN115142318B CN115142318B (en) | 2024-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210881412.5A Active CN115142318B (en) | 2022-07-26 | 2022-07-26 | Electrodeless variable-frequency torsion hydraulic vibratory roller |
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|---|---|---|---|---|
| FR2006576A1 (en) * | 1968-04-19 | 1969-12-26 | Abg Werke Gmbh | |
| US20030082003A1 (en) * | 2001-10-31 | 2003-05-01 | Potts Dean R. | Variable vibratory mechanism |
| WO2006047932A1 (en) * | 2004-10-30 | 2006-05-11 | Qifang Chen | A synchrodriving mechanism for a plurality of parallel installed eccentric shafts |
| CN102691248A (en) * | 2012-05-24 | 2012-09-26 | 青岛科技大学 | Amplitude adjustment device for intelligent vibratory roller |
| CN204401412U (en) * | 2014-12-25 | 2015-06-17 | 长安大学 | A kind of oscillatory vibration wheel of compound roller |
| CN110512495A (en) * | 2019-08-23 | 2019-11-29 | 黄方权 | A kind of adjustable vibrational structure of direction of excitation |
| EP3617405A1 (en) * | 2018-08-30 | 2020-03-04 | Forschungs und Transferzentrum Leipzig E.V. an der Hochschule für Technik, Wirtschaft und Kultur Leipzig | Vibration generator for a roller device for compacting soil |
| CN111373098A (en) * | 2017-11-21 | 2020-07-03 | 沃尔沃建筑设备公司 | Surface compactor with concentrically arranged eccentric masses |
-
2022
- 2022-07-26 CN CN202210881412.5A patent/CN115142318B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2006576A1 (en) * | 1968-04-19 | 1969-12-26 | Abg Werke Gmbh | |
| US20030082003A1 (en) * | 2001-10-31 | 2003-05-01 | Potts Dean R. | Variable vibratory mechanism |
| WO2006047932A1 (en) * | 2004-10-30 | 2006-05-11 | Qifang Chen | A synchrodriving mechanism for a plurality of parallel installed eccentric shafts |
| CN102691248A (en) * | 2012-05-24 | 2012-09-26 | 青岛科技大学 | Amplitude adjustment device for intelligent vibratory roller |
| CN204401412U (en) * | 2014-12-25 | 2015-06-17 | 长安大学 | A kind of oscillatory vibration wheel of compound roller |
| CN111373098A (en) * | 2017-11-21 | 2020-07-03 | 沃尔沃建筑设备公司 | Surface compactor with concentrically arranged eccentric masses |
| EP3617405A1 (en) * | 2018-08-30 | 2020-03-04 | Forschungs und Transferzentrum Leipzig E.V. an der Hochschule für Technik, Wirtschaft und Kultur Leipzig | Vibration generator for a roller device for compacting soil |
| CN110512495A (en) * | 2019-08-23 | 2019-11-29 | 黄方权 | A kind of adjustable vibrational structure of direction of excitation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115142318B (en) | 2024-05-31 |
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