CN1382872A - Vibration exciter with constant exciting force for vibration-type road roller and lubricating and cooling unit for vibration bearing - Google Patents
Vibration exciter with constant exciting force for vibration-type road roller and lubricating and cooling unit for vibration bearing Download PDFInfo
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- CN1382872A CN1382872A CN 02119643 CN02119643A CN1382872A CN 1382872 A CN1382872 A CN 1382872A CN 02119643 CN02119643 CN 02119643 CN 02119643 A CN02119643 A CN 02119643A CN 1382872 A CN1382872 A CN 1382872A
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- eccentric block
- vibrator
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Abstract
A vibration exciter for vibration-type road roller and the lubricating-cooling unit of vibrating bearing are disclosed, which is composed of bearing seat installing tube and its sealing plate, fixed and slide eccentric blocks, spring, and circulating tube of cooling-lubricating oil. The mass center of the assembly of slide eccentric block and spraying is positioned at one side of the rotation center line. The mass center of fixed eccentric block is at its another side. The resultant eccentricity is decreased when the frequency is increased, so its exciting force is constant.
Description
The present invention relates to a kind of vibrator of permanent exciting force vibratory roller and the self-loopa lubricating and cooling of vibration bearing, belong to the road building machinery field.
The vibrator of existing vibratory roller, its amplitude modulation mechanism mainly contains two kinds of forms: a kind of is rotating amplitude modulation mechanism; Another kind is a sleeve amplitude modulation mechanism, rotating amplitude modulation mechanism can only obtain two amplitudes and can not satisfy the eccentric block direction of rotation remaining consistent with the vibrating wheels travel direction, sleeve amplitude modulation mechanism is owing to its structural reason, can't be applied to the heavy type and the superduty vibratory roller of big exciting force, existing vibratory roller is under the prerequisite of same amplitude, increase vibration frequency, then the exciting force size must increase with the variation of square amount of frequency, this just badly influences the normal use of vibration bearing, simultaneously, the lubricated grease lubrication or thin oil splash lubrications of adopting of the vibration bearing of existing vibratory roller more, cooling effect is relatively poor, makes the compacting operation of the heavy type of extensive use and superduty vibratory roller be difficult to the consolidation effect that reaches best.
The object of the present invention is to provide the vibrator that a kind of exciting force of vibratory roller remains unchanged and the self-loopa cooling lubricating arrangement of vibration bearing, when promptly vibration frequency increased, exciting force was constant, and amplitude decreases; When frequency reduces, exciting force is also constant, amplitude increases thereupon, this amplitude just in time is suitable for the compacting requirement of various soil, various compound and the various shops layer of highway construction from the roadbed to the road surface with the corresponding relation of frequency change, and, the thin oil self-loopa lubricating and cooling system with vibration bearing of joining makes the heavy type of the especially big exciting force of vibratory roller and various soil and the compound that the superduty vibratory roller is spread layer to road all can reach best consolidation effect and the application life that can improve vibration bearing.
Realize that purpose of the present invention mainly with the following methods: utilize the centrifugal force of slip eccentric block in the vibrator to change and change eccentric moment automatically with vibration frequency change, reach exciting force is remained unchanged substantially, and amplitude changes with square quantitative changeization of frequency; Vibration bearing adopts thin oil lubricant, when utilizing the vibrator rotation in its chamber the centrifugal force of thin oil make flow through cooling sap cavity in the vibrating wheels cylinder of thin oil Automatic Cycle, reach to the efficient cooling of vibration bearing with lubricate.
A kind of excited vibration device of permanent exciting force vibratory roller and the lubricating and cooling of vibration bearing, mainly contain the vibrator driver element, splined shaft, vibration bearing and bearing support, the bearing support mounting pipe, fixed eccentric block, the slip eccentric block, attached slip eccentric block, attached slip eccentric block pull bar, spring, the cooling and lubricating oil circulating pipe is formed, bearing support is installed in the bearing support mounting pipe, the wounded in the battle keyhole in the axial two ends of fixed eccentric block, the splined shaft string is in splined hole, main slip eccentric block, attached slip eccentric block pull bar, attached slip eccentric block and spring all are contained in the abdominal cavity of fixed eccentric block, and the cooling and lubricating oil circulating pipe passes the cooling sap cavity in the vibrating wheels.
Description of drawings of the present invention is as follows:
1-vibrator driver element, 2-splined shaft, 3-vibration bearing
4-attached slip eccentric block pull bar 5-slip eccentric block 6-spring
7-fixed eccentric block 8-big the plug screw of attached slip eccentric block 9-fixed eccentric block
10-bearing support, 11-bearing support spacer, 12-bearing support mounting pipe
13-vibrator sleeve pipe, 14-vibrator sleeve pipe shrouding, 15-vibrating wheels side plate
16-vibrating wheels cylinder, 17-cooling and lubricating oil circulating pipe
Accompanying drawing is the typical structure schematic diagram of the embodiment of the invention
The course of work of the embodiment of the invention is: vibrator driver element 1 drives fixed eccentric block 7 rotations by splined shaft 2, make and be contained in fixed eccentric block 7 Intraabdominal slip eccentric blocks 5, attached slip eccentric block pull bar 4, spring 6, attached slip eccentric block 8 is done the same frequency rotation together, wherein, slip eccentric block 5 and be in the homonymy of vibrator centre of gyration line by the barycenter after slip eccentric block 5 and spring 6 combinations, the barycenter of fixed eccentric block 7 (containing the big plug screw 9 of fixed eccentric block) is in the opposite side of vibrator centre of gyration line, under different speed situations, produce different centrifugal force, and spring 6 still has certain elastic force to act on slip eccentric block 5 and attached slip eccentric block pull bar 4 after having overcome self centrifugal force, two power are issued to balance in a certain speed, increase along with speed, slip eccentric block 5, the centrifugal force of attached slip eccentric block pull bar 4 and spring 6 increases, spring deformation strengthens, slip eccentric block 5, attached slip eccentric block pull bar 4, each eccentricity of attached slip eccentric block 8 and spring 6 is all made the direction opposite with the eccentricity of fixed eccentric block 7 and is changed, total eccentricity of vibrator is reduced, and make the exciting force substantially constant of vibrator, when vibrator stops the rotation, slip eccentric block 5, attached slip eccentric block pull bar 4, attached slip eccentric block 8 returns to inactive state under the elastic force effect of spring 6, the characteristic of comprehensive Design spring 6 and slip eccentric block 5, attached slip eccentric block 8 and attached slip eccentric block pull bar 4, can obtain that exciting force increases with speed and constant substantially or become vibrator big or that diminish, during fixed eccentric block 7 rotations, thin oil in the vibrator enclosed cavity of being made up of vibrator sleeve pipe 13 and vibrator sleeve pipe shrouding 14 is done equidirectional rotation, fluid self produces centrifugal force, flow out from the periphery of vibrator sleeve pipe 13 the mouth of pipe by cooling and lubricating oil circulating pipe 17, through vibrating wheels cooling sap cavity, flow at the mouth of pipe by cooling and lubricating oil circulating pipe 17, finish the self-loopa cooling of lubrication oil near vibrator centre of gyration place.
Realize approach of the present invention, the embodiment that provides by accompanying drawing carries out theory design and manufacturing, can realize enforcement of the present invention.
Vibrator provided by the invention and cooling and lubricating device are equally applicable to other kinds vibratory roller.
The present invention has the following advantages:
One, have the constant vibrated roller of exciting force substantially constant, its amplitude frequency square amount The relation that changes and change has really realized the stepless frequency modulation amplitude modulation of vibrating wheels, is fit to from the roadbed to the road fully Face, the compacting operation from all kinds of soil to various compounds are the Almightiness type vibrated roller.
Two, because the substantially constant of exciting force, when frequency is increased the load of vibration bearing constant, carry The reliability of high vibration bearing.
Three, because the centrifugal force that utilizes vibrator rare lubrication oil of when rotation to produce adopts the lubrication oil self-circulation system, cooling and lubricating is effective.
Four, the present invention is simple in structure, reliable.
Claims (10)
1, a kind of vibrator of permanent exciting force vibratory roller and the lubricating and cooling of vibration bearing, mainly contain splined shaft (2), fixed eccentric block (7), the big plug screw of fixed eccentric block (9), slip eccentric block (5), spring (6), attached slip eccentric block pull bar (4), attached slip eccentric block (8), vibration bearing (3), bearing support (10), bearing support spacer (11), bearing support mounting pipe (12), vibrator sleeve pipe (13), vibrator sleeve pipe shrouding (14), vibrating wheels side plate (15), vibrating wheels cylinder (16) and cooling and lubricating oil circulating pipe (17) are formed, it is characterized in that: the eccentric block that produces exciting force is by fixed eccentric block (7) (containing the big plug screw of fixed eccentric block (9)) and slip eccentric block (5), spring (6), attached slip eccentric block (8), attached slip eccentric block pull bar (4) combines, the eccentricity of fixed eccentric block (7) (containing the big plug screw of fixed eccentric block (9)) is constant, and slip eccentric block (5), spring (6), attached slip eccentric block (8), the eccentricity of attached slip eccentric block pull bar (4) all changes with the variation of the speed of vibrator, wherein, fixed eccentric block (7), spring (6), slip eccentric block (5) is the indispensable part in the vibrator.
2, the lubricating and cooling of the vibrator of permanent exciting force vibratory roller as claimed in claim 1 and vibration bearing, it is characterized in that: fixed eccentric block (7) is a hollow structure, slip eccentric block (5), spring (6), attached slip eccentric block (8), attached slip eccentric block pull bar (4) all are loaded in the abdominal cavity of fixed eccentric block (5), and the big plug screw of fixed eccentric block (9) is twisted the termination equal fixed eccentric block (7) and as the part of fixed eccentric block (7).
3, the lubricating and cooling of the vibrator of permanent exciting force vibratory roller as claimed in claim 1 and vibration bearing, it is characterized in that: the barycenter of slip eccentric block (5) and be in the outer homonymy of vibrator centre of gyration line by the barycenter of the assembly of slip eccentric block (5) and spring (6), the barycenter of fixed eccentric block (7) is in the outer opposite side of vibrator centre of gyration line.
4, the lubricating and cooling of the vibrator of permanent exciting force vibratory roller as claimed in claim 1 and vibration bearing, it is characterized in that: quantity, quality and the barycenter of the quality of the quality of the characteristic of comprehensive Design spring (6) and fixed eccentric block (7) and barycenter, slip eccentric block (5) and barycenter, attached slip eccentric block (8), can realize that exciting force is constant substantially or become purpose big or that diminish with the variation of speed.
5, the lubricating and cooling of the vibrator of permanent exciting force vibratory roller as claimed in claim 1 and vibration bearing, it is characterized in that: fixed eccentric block (7) also can be designed to the solid structure, spring (6), slip eccentric block (5), attached slip eccentric block (8), attached slip eccentric block pull bar (4) are designed to cannula-like and are sleeved on the external cylindrical surface of fixed eccentric block (7).
6, the lubricating and cooling of the vibrator of permanent exciting force vibratory roller as claimed in claim 1 and vibration bearing, it is characterized in that: also can not contain attached slip eccentric block (8) and attached slip eccentric block pull bar (4) in the exciter structure, only need fixed eccentric block (7), spring (6), slip eccentric block (5), can be designed to the vibrator of different frequency and amplitude relation equally.
7, the lubricating and cooling of the vibrator of permanent exciting force vibratory roller as claimed in claim 1 and vibration bearing, it is characterized in that: fixed eccentric block (7), vibration bearing (3) are installed on the interior structure of bearing mounting pipe (12) with bearing support (10), make vibrator become the integral unit structure, can be as required at axial arranged or several of vibrator sleeve pipe (13).
8, the lubricating and cooling of the vibrator of permanent exciting force vibratory roller as claimed in claim 1 and vibration bearing is characterized in that: vibrator sleeve pipe (13), vibrator sleeve pipe shrouding (14) are formed the vibrator enclosed cavity, fill with thin oil in the chamber.
9, the lubricating and cooling of the vibrator of permanent exciting force vibratory roller as claimed in claim 1 and vibration bearing, it is characterized in that: the enclosed cavity that vibrator sleeve pipe (13), vibrating wheels former (15), vibrating wheels cylinder (16) are formed is full of cooling liquid in the chamber.
10, the lubricating and cooling of the vibrator of permanent exciting force vibratory roller as claimed in claim 1 and vibration bearing, it is characterized in that: the two ends mouth of pipe of cooling and lubricating oil circulating pipe (17) is connected on the two ends of vibrator enclosed cavity respectively and not on same turning circle cylinder, and the fluid that makes cooling and lubricating oil circulating pipe (17) the two ends mouth of pipe has different kinetic energy and realizes the self-loopa of fluid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02119643 CN1382872A (en) | 2002-05-16 | 2002-05-16 | Vibration exciter with constant exciting force for vibration-type road roller and lubricating and cooling unit for vibration bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02119643 CN1382872A (en) | 2002-05-16 | 2002-05-16 | Vibration exciter with constant exciting force for vibration-type road roller and lubricating and cooling unit for vibration bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1382872A true CN1382872A (en) | 2002-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02119643 Pending CN1382872A (en) | 2002-05-16 | 2002-05-16 | Vibration exciter with constant exciting force for vibration-type road roller and lubricating and cooling unit for vibration bearing |
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| CN (1) | CN1382872A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102127894A (en) * | 2011-04-01 | 2011-07-20 | 屠卫东 | Oil hopper self-lubricating system for vibration exciter of vibration roller |
| CN103924499A (en) * | 2014-04-30 | 2014-07-16 | 成都海凌达机械有限公司 | Wheel body supporting structure of vibratory roller |
| CN103938530A (en) * | 2014-04-30 | 2014-07-23 | 成都海凌达机械有限公司 | Vibrating drum body |
| CN104032655A (en) * | 2014-05-09 | 2014-09-10 | 柳工无锡路面机械有限公司 | Stepless frequency conversion AM (amplitude modulation) vibration exciter of vibratory roller |
| CN107029976A (en) * | 2017-06-23 | 2017-08-11 | 石家庄铁道大学 | A kind of vibrator |
| CN113863097A (en) * | 2021-09-29 | 2021-12-31 | 徐工集团工程机械股份有限公司道路机械分公司 | Stepless amplitude modulation vibration wheel and road roller |
-
2002
- 2002-05-16 CN CN 02119643 patent/CN1382872A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102127894A (en) * | 2011-04-01 | 2011-07-20 | 屠卫东 | Oil hopper self-lubricating system for vibration exciter of vibration roller |
| CN102127894B (en) * | 2011-04-01 | 2012-09-05 | 屠卫东 | Oil hopper self-lubricating system for vibration exciter of vibration roller |
| CN103924499A (en) * | 2014-04-30 | 2014-07-16 | 成都海凌达机械有限公司 | Wheel body supporting structure of vibratory roller |
| CN103938530A (en) * | 2014-04-30 | 2014-07-23 | 成都海凌达机械有限公司 | Vibrating drum body |
| CN103924499B (en) * | 2014-04-30 | 2016-05-11 | 成都海凌达机械有限公司 | Vibrated roller wheel support structure |
| CN104032655A (en) * | 2014-05-09 | 2014-09-10 | 柳工无锡路面机械有限公司 | Stepless frequency conversion AM (amplitude modulation) vibration exciter of vibratory roller |
| CN107029976A (en) * | 2017-06-23 | 2017-08-11 | 石家庄铁道大学 | A kind of vibrator |
| CN113863097A (en) * | 2021-09-29 | 2021-12-31 | 徐工集团工程机械股份有限公司道路机械分公司 | Stepless amplitude modulation vibration wheel and road roller |
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