JPH0325562B2 - - Google Patents
Info
- Publication number
- JPH0325562B2 JPH0325562B2 JP11708683A JP11708683A JPH0325562B2 JP H0325562 B2 JPH0325562 B2 JP H0325562B2 JP 11708683 A JP11708683 A JP 11708683A JP 11708683 A JP11708683 A JP 11708683A JP H0325562 B2 JPH0325562 B2 JP H0325562B2
- Authority
- JP
- Japan
- Prior art keywords
- rotating shaft
- section
- pair
- screw rod
- feed screw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 229920001971 elastomer Polymers 0.000 description 3
- 239000005060 rubber Substances 0.000 description 3
- 238000005056 compaction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Landscapes
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Road Paving Machines (AREA)
Description
【発明の詳細な説明】 本発明は振動ローラの起振機の改良に関する。[Detailed description of the invention] The present invention relates to improvements in vibrating roller exciters.
路面締固めのために用いられる振動式ロードロ
ーラについて、その振動ローラの起振機は、一つ
の偏心重錘を有し起振軸の回転数を変化させるこ
とによつて振動力を変化させる型式のもの、また
は複数の偏心重錘を有し結合ピンの位置をその都
度変えて相対角度位置を選択的に変化させること
によつて振動力を変化させる型式のものがある。 Regarding the vibrating road roller used for road compaction, the vibrator of the vibrating roller has one eccentric weight and changes the vibration force by changing the rotation speed of the vibrating shaft. There is also a type that has a plurality of eccentric weights and changes the vibration force by selectively changing the relative angular position by changing the position of the coupling pin each time.
しかしながら、起振軸の回転数を変化させる型
式の起振機は大きな振動数を得たい場合には好ま
しくなく、また結合ピンによつて複数の偏心重錘
の相対角度位置を選択的に変化させる型式の起振
機は無段階に且つ遠隔的に操作したい場合には好
ましいものではなかつた。 However, a type of exciter that changes the rotational speed of the excitation shaft is not preferable when obtaining a large vibration frequency, and also requires a connecting pin to selectively change the relative angular position of multiple eccentric masses. This type of exciter is not preferred when stepless and remote operation is desired.
本発明の目的は、前述の問題点を解消し、複数
の偏心重錘による振動力を起振機の運転時、停止
時に拘らず無段階に且つ遠隔的に変化させること
ができ、振動式ロードローラの発進、停止の際等
に必要に応じて振動力が小さくなるようにした
り、また締固め作業時に必要に応じて振動力を所
望の大きさに変化させたりすることができる振動
ローラの起振機を提供しようとするものである。 An object of the present invention is to solve the above-mentioned problems, to be able to steplessly and remotely change the vibration force generated by a plurality of eccentric weights, regardless of whether the exciter is in operation or stopped, and to A vibrating roller starter that can reduce the vibration force as needed when starting or stopping the roller, or change the vibration force to a desired level as necessary during compaction work. The aim is to provide a shaking machine.
以下図面を参照して本発明による振動ローラの
起振機の実施例について説明する。 DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of a vibration roller exciter according to the present invention will be described below with reference to the drawings.
第１図は振動式ロードローラの全体側面図であ
つて、１はロードローラ駆動部、２は振動ローラ
部である。ロードローラ駆動部１の車体３には内
燃機関４が塔載されるとともに動輪５が駆動可能
に装着され、上部に運転席６が設けられており、
振動ローラ部２は連結ピン７によつて駆動部１に
左右に操向可能に連結され、フレーム８に振動ロ
ーラ９が装着されている。このような振動式ロー
ドローラは振動ローラ９を振動させながら路面上
を前後に走行して該路面の締固めを行なうのであ
る。 FIG. 1 is an overall side view of a vibrating road roller, where 1 is a road roller driving section and 2 is a vibrating roller section. An internal combustion engine 4 is mounted on the vehicle body 3 of the road roller drive unit 1, and driving wheels 5 are drivably mounted on the vehicle body 3, and a driver's seat 6 is provided on the upper part.
The vibrating roller section 2 is connected to the drive section 1 by a connecting pin 7 so as to be steerable left and right, and a vibrating roller 9 is mounted on a frame 8. Such a vibrating road roller travels back and forth on the road surface while vibrating the vibrating roller 9 to compact the road surface.
第２図は振動ローラ部２の詳細を示すもので、
フレーム８の左右内側にはそれぞれフランジ１
１，１２が固着されており、それらに対向してフ
ランジ１３，１４が防振ゴム１５，１６を介して
取付けられている。１７，１８，１９はそれぞれ
振動ローラ９の内側に軸方向に間隔を置いて固定
された支持部材であつて、その両外側の支持部材
１７，１９はそれぞれ対応する軸受を介して左右
内側のフランジ１３，１４に支持されており、さ
らに振動ローラ９の軸心に沿つて配設された円筒
状の回転軸２０が支持部材１７，１８，１９に軸
受を介して支持されている。したがつて、振動ロ
ーラ９はフレーム８に支持されながら回転走行
し、その振動ローラ９に回転軸２０が回転自在に
支持されることになる。また、回転軸２０にはそ
の一端に油圧式の起振モータ２１が装着され、起
振モータ２１には油圧パイプ２２が接続されてお
り、回転軸２０がその起振モータ２１によつて回
転駆動されるようになつている。 Figure 2 shows details of the vibrating roller section 2.
There are flanges 1 on the left and right insides of the frame 8, respectively.
1 and 12 are fixed to each other, and flanges 13 and 14 are attached oppositely to them via vibration isolating rubbers 15 and 16. Reference numerals 17, 18, and 19 are support members fixed to the inner side of the vibrating roller 9 at intervals in the axial direction, and the support members 17 and 19 on both outer sides are connected to the left and right inner flanges via corresponding bearings, respectively. 13 and 14, and a cylindrical rotating shaft 20 disposed along the axis of the vibrating roller 9 is supported by support members 17, 18, and 19 via bearings. Therefore, the vibrating roller 9 rotates while being supported by the frame 8, and the rotating shaft 20 is rotatably supported by the vibrating roller 9. Further, a hydraulic vibration motor 21 is attached to one end of the rotating shaft 20, a hydraulic pipe 22 is connected to the vibration motor 21, and the rotating shaft 20 is rotationally driven by the vibration motor 21. It is becoming more and more common.
回転軸２０の中間部左右に振動ローラ９の中心
横断面Ｘ−Ｘに対称的に一対の環状の第１偏心重
錘２５が回転軸２０の回転軸２０の長手及び回転
方向に摺動可能に取付けられており、それらの偏
質量m1および重心G1の偏心量l1は互いに等しく
されている。回転軸の中間部左右に前記中心横断
面Ｘ−Ｘに対称に一対のスパイラル孔２６が設け
られ、一方回転軸２０の円筒内部左右に前記中心
横断面Ｘ−Ｘに対称に即ち一方が右ねじ、他方が
左ねじに螺切された送りねじ棒２７が回動自在に
支持され、一対のピン２８のボス部が送りねじ棒
２７のねじ部に螺合するとともにピン２８の先端
部がそれぞれスパイラル孔２６を通つて第１偏心
重錘２５に結合されている。左右対称の一対のス
パイラル孔２６はそれぞれの最内端部から最外端
部に至るに従つて、例えば180゜回転するようにな
つている。 A pair of annular first eccentric weights 25 are arranged symmetrically with respect to the center cross section XX of the vibrating roller 9 on the left and right sides of the middle part of the rotating shaft 20 and are slidable in the longitudinal and rotational direction of the rotating shaft 20. The eccentric mass m 1 and the eccentricity l 1 of the center of gravity G 1 are made equal to each other. A pair of spiral holes 26 are provided symmetrically with respect to the center cross section XX on the left and right sides of the middle part of the rotating shaft, while a pair of spiral holes 26 are provided symmetrically with the center cross section XX on the left and right sides of the cylindrical interior of the rotation shaft 20, that is, one has a right-handed thread. A feed screw rod 27, the other of which is threaded with a left-hand thread, is rotatably supported, and the boss portions of the pair of pins 28 are screwed into the threaded portions of the feed screw rod 27, and the tips of the pins 28 are each spiral-shaped. It is coupled to the first eccentric weight 25 through the hole 26. The pair of symmetrical spiral holes 26 are configured to rotate, for example, by 180 degrees from the innermost end to the outermost end.
また回転軸２０の外周面に沿つて回転軸２０の
長手及び回転方向に摺動可能な第１偏心重錘２５
の移動範囲を覆うような軸心方向長さを有する一
対の環状の第２偏心重錘３０が回転軸２０の中間
部左右に前記中心横断面Ｘ−Ｘに対称に固着され
ており、それらの偏質量m2および重心G2の偏心
量l2は互いに等しくされ且つ回転軸２０に関する
角度も等しくされている。第２偏心重錘３０は回
転軸２０にスパイラル孔２６を設けたことに対す
る補強にも役立つている。 Also, a first eccentric weight 25 that is slidable along the outer peripheral surface of the rotating shaft 20 in the longitudinal direction and rotational direction of the rotating shaft 20.
A pair of annular second eccentric weights 30 having a length in the axial direction that covers the movement range of the rotary shaft 20 are fixed symmetrically to the central cross section The eccentric mass m 2 and the eccentricity l 2 of the center of gravity G 2 are made equal to each other, and the angles with respect to the rotating shaft 20 are also made equal. The second eccentric weight 30 also serves as reinforcement for the spiral hole 26 provided in the rotating shaft 20.
次に送りねじ棒２７を回転軸２０に関して正ま
たは逆方向に回転させるための回動装置について
説明する。送りねじ棒２７の一端に回転軸２０に
関してその送りねじ棒を正または逆の方向に回動
させるための電動モータ３２が取付けられ、この
モータに給電するための電線３３およびスリツプ
リング３４が接続されている。送りねじ棒２７は
左右に前記中心横断面Ｘ−Ｘに対称に螺切されて
おり且つ回転軸２０には左右に前記中心横断面Ｘ
−Ｘに対称にスパイラル孔２６が設けられてピン
２８が案内されるようになつているので、送りね
じ棒２７が電動モータ３２によつて回転軸２０に
関して正または逆の方向に回動すれば、一対の第
１偏心重錘２５は左右対称に互いに近寄つたり離
れたりし、そのとき第２偏心重錘３０との間の相
対角度が連続的に変化するのである。その相対角
度は、スパイラル孔２６に従つてピン２８が前述
のように180゜回転するようになつているとすれ
ば、0゜〜180゜の範囲となる。 Next, a rotation device for rotating the feed screw rod 27 in the forward or reverse direction with respect to the rotating shaft 20 will be described. An electric motor 32 is attached to one end of the feed screw rod 27 for rotating the feed screw rod in the forward or reverse direction with respect to the rotating shaft 20, and an electric wire 33 and a slip ring 34 for supplying power to this motor are connected. ing. The feed screw rod 27 is threaded left and right symmetrically with respect to the center cross section X-X, and the rotation shaft 20 is threaded with the center cross section
- Since the spiral hole 26 is provided symmetrically to The pair of first eccentric weights 25 move toward and away from each other symmetrically, and at this time, the relative angle between them and the second eccentric weight 30 changes continuously. The relative angles will range from 0° to 180°, assuming that the spiral hole 26 allows the pin 28 to rotate 180° as described above.
そして例えばロードローラの発進時には第３図
ａに示すように第１偏心重錘２５と第２偏心重錘
３０とを互いに逆方向に向けて振動力を零または
これに近い状態とし、回転軸２０が一定の回転速
度になつた時点で送りねじ棒２７を正または逆の
方向に回動させれば、回転軸２０に設けたスパイ
ラル孔２６にピン２８が案内されて移動し、第１
偏心重錘２５が回転軸２０に対して角度変位して
第３図ｂ，ｃに示すように偏心重錘２５，３０間
の相対角度を与え、それに伴つて振動ローラの振
動力が変化するのである。 For example, when the road roller is started, the first eccentric weight 25 and the second eccentric weight 30 are directed in opposite directions as shown in FIG. If the feed screw rod 27 is rotated in the forward or reverse direction when the rotation speed reaches a certain level, the pin 28 is guided to the spiral hole 26 provided in the rotating shaft 20 and moves.
The eccentric weight 25 is angularly displaced with respect to the rotating shaft 20, giving a relative angle between the eccentric weights 25 and 30 as shown in FIGS. 3b and 3c, and the vibrating force of the vibrating roller changes accordingly. be.
送りねじ棒２７を回動させる装置については電
動モータ３２によるものを例示したが、これは第
４図に示すように送りねじ棒２７の端部をサンギ
ヤ３５とし回転軸２０の端部をリングギヤ３６と
しその中間に設けたプラネタリギヤ３７の公転を
制御すること、例えばプラネタリキヤリヤ３８と
フレーム８の間に介設したクラツチ３９を結合す
るかまたはプラネタリキヤリヤ３８と回転軸２０
の間に介設したクラツチ４０を結合することによ
つて、送りねじ棒２７を回転軸２０と同方向に回
動させるかまたは回転軸２０に関して逆方向に回
動させることができる。 The device for rotating the feed screw rod 27 has been exemplified using an electric motor 32, but as shown in FIG. To control the revolution of the planetary gear 37 provided in the middle thereof, for example, by coupling a clutch 39 interposed between the planetary carrier 38 and the frame 8, or by connecting the planetary carrier 38 and the rotating shaft 20.
By engaging the clutch 40 interposed therebetween, the feed screw rod 27 can be rotated in the same direction as the rotating shaft 20 or in the opposite direction with respect to the rotating shaft 20.
本発明による振動ローラの起振機は、前述のよ
うに構成されているので、複数の偏心重錘による
振動力を無段階に且つ遠隔的に変化させることが
でき、したがつて所望のときに所望の大きさの振
動力を与えることができるようになつた。 Since the vibrating roller exciter according to the present invention is configured as described above, it is possible to steplessly and remotely change the vibrating force generated by the plurality of eccentric weights, so that it can be used at any desired time. It is now possible to apply vibrational force of the desired magnitude.
第１図は振動式ロードローラの全体側面図、第
２図は振動ローラ部の断面正面図、第３図は第１
および第２の偏心重錘の相対的位置関係を示す線
図的説明図、第４図は送りねじ棒回動装置の変更
例の線図的説明図である。
１……ロードローラ駆動部、２……振動ローラ
部、８……フレーム、９……振動ローラ、１１…
…フランジ、１２……フランジ、１３……フラン
ジ、１４……フランジ、１５……防振ゴム、１６
……防振ゴム、１７，１８，１９……支持部材、
２０……回転軸、２１……起振モータ、２５……
第１偏心重錘、２６……スパイラル孔、２７……
送りねじ棒、２８……ピン、３０……第２偏心重
錘、３２……電動モータ。
Fig. 1 is an overall side view of the vibrating road roller, Fig. 2 is a cross-sectional front view of the vibrating roller section, and Fig. 3 is a cross-sectional front view of the vibrating roller section.
FIG. 4 is a diagrammatic explanatory diagram showing the relative positional relationship of the second eccentric weight, and FIG. 4 is a diagrammatic explanatory diagram of a modification of the feed screw rod rotating device. DESCRIPTION OF SYMBOLS 1... Road roller drive part, 2... Vibration roller part, 8... Frame, 9... Vibration roller, 11...
...Flange, 12...Flange, 13...Flange, 14...Flange, 15...Vibration isolation rubber, 16
... Vibration-proof rubber, 17, 18, 19 ... Support member,
20... Rotating shaft, 21... Vibration motor, 25...
First eccentric weight, 26...Spiral hole, 27...
Feed screw rod, 28... pin, 30... second eccentric weight, 32... electric motor.
Claims (1)
の回転軸が回転自在に支持され、前記回転軸の外
周面に沿つて前記振動ローラの中心横断面に対称
的に一対の第１偏心重錘が前記回転軸の長手及び
回転方向に摺動自在に取付けられ、前記回転軸の
円筒内部に前記中心横断面に左右対称に螺切され
た送りねじ棒が回動自在に支持され、一対のピン
のボス部が前記送りねじ棒と螺合するとともに先
端部が前記回転軸に前記中心横断面に対称的に設
けられた一対のスパイラル孔を通つて前記一対の
第１偏心重錘に結合され、前記回転軸に前記中心
横断面に対称的に一対の第２偏心重錘が固着さ
れ、前記回転軸を回転駆動するための起振モータ
が前記回転軸の一端に装着され、前記送りねじ棒
を前記回転軸に関して正または逆の方向に回動さ
せるための回動装置が前記回転軸に取付けられて
いることを特徴とする振動ローラの起振機。1 A cylindrical rotating shaft is rotatably supported inside the vibrating roller along its axial center, and a pair of first eccentric weights are arranged symmetrically to the center cross section of the vibrating roller along the outer peripheral surface of the rotating shaft. A weight is attached to be slidable in the longitudinal and rotational direction of the rotating shaft, and a feed screw rod threaded symmetrically to the center cross section is rotatably supported inside the cylinder of the rotating shaft. A boss portion of the pin is threadedly engaged with the feed screw rod, and a tip end portion of the pin is coupled to the pair of first eccentric weights through a pair of spiral holes provided in the rotating shaft symmetrically with respect to the center cross section. A pair of second eccentric weights are fixed to the rotating shaft symmetrically with respect to the center cross section, a vibration motor for rotationally driving the rotating shaft is attached to one end of the rotating shaft, and the feed screw rod A vibration exciter for a vibrating roller, characterized in that a rotating device for rotating the roller in a forward or reverse direction with respect to the rotating shaft is attached to the rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11708683A JPS6010005A (en) | 1983-06-30 | 1983-06-30 | Vibrator of vibration roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11708683A JPS6010005A (en) | 1983-06-30 | 1983-06-30 | Vibrator of vibration roller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6010005A JPS6010005A (en) | 1985-01-19 |
| JPH0325562B2 true JPH0325562B2 (en) | 1991-04-08 |
Family
ID=14703044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11708683A Granted JPS6010005A (en) | 1983-06-30 | 1983-06-30 | Vibrator of vibration roller |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6010005A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102023117922A1 (en) * | 2023-07-07 | 2025-01-09 | Hamm Ag | construction machine |
-
1983
- 1983-06-30 JP JP11708683A patent/JPS6010005A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6010005A (en) | 1985-01-19 |
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