CN210288041U

CN210288041U - Vibratory roller with tunable vibration wheel torque

Info

Publication number: CN210288041U
Application number: CN201920589653.6U
Authority: CN
Inventors: 陈清越; 张嵩海
Original assignee: Nanjing Hongsitong Machinery Technology Co ltd
Current assignee: Nanjing Hongsitong Machinery Technology Co ltd
Priority date: 2019-04-27
Filing date: 2019-04-27
Publication date: 2020-04-10
Anticipated expiration: 2029-04-27

Abstract

The utility model discloses a vibratory roller that vibration wheel moment is tunable, including the road roller body, be equipped with tunable eccentric in the vibration wheel of road roller body, tunable eccentric includes the eccentric block body, this internal shape of a hoof that is equipped with of eccentric block holds the chamber, the eccentric block body is located the shape of a hoof and holds chamber one side outside and be equipped with the arc counterweight plate, the fixed block tip is equipped with the axis of rotation that extends to the eccentric block body outside, the shape of a hoof holds the arc groove rail that chamber both sides terminal surface was equipped with rather than inside profile looks adaptation, the centre gripping has a plurality of rotatable counter weight rollers between two arc groove rails, counter weight roller surface cladding has the buffer layer, be equipped with buffering subassembly between arc groove rail and the round pin axle. The utility model discloses a vibratory roller that vibration wheel moment is tunable, design simple structure, it is convenient to trade the amplitude, and mechanical failure such as difficult emergence card dun can not produce the impact to hydraulic pressure part, has improved its life.

Description

Vibratory roller with tunable vibration wheel torque

Technical Field

The utility model relates to a road roller, concretely relates to road roller that moment is tunable.

Background

The road roller is widely used for the filling compaction operation of large engineering projects such as high-grade highways, railways, airport runways, dams, stadiums and the like, can roll sandy, semi-viscous and cohesive soil, roadbed stable soil and asphalt concrete pavement layers, is suitable for various compaction operations under the action of the gravity of the machine, enables the rolled layers to generate permanent deformation and be compact, a vibrating wheel of the vibrating road roller is core equipment, a vibration exciter is arranged in a steel wheel of the vibrating wheel, generates vibration with certain amplitude and frequency by driving an eccentric block assembly to rotate, so that certain exciting force is generated on the ground to carry out compaction operation of the pavement, the impact and noise when the amplitude of the traditional movable eccentric block structure is changed are large, and the road roller is generally realized by changing the included angle between a movable eccentric block and a fixed eccentric block, the adjustment of this angle is traditionally achieved in two ways: firstly, the position of a key slot on the rotating shaft and the position of a key slot of the movable eccentric block are used for adjustment; secondly, perforating holes are arranged on the fixed eccentric block and the movable eccentric block, and the connection of different position holes is realized through bolts for adjustment, so that the design structure is complex, the vibration amplitude is inconvenient to change, mechanical faults such as blocking and the like easily occur, and when the vibration amplitude of the eccentric block structure is changed, impact can be generated on a hydraulic component, and the service life of the hydraulic component is shortened.

Disclosure of Invention

The purpose of the invention is as follows: an object of the utility model is to prior art not enough, provide a vibratory roller that vibrating wheel moment is tunable, facilitate the use.

The technical scheme is as follows: the utility model relates to a vibratory roller with tunable vibration wheel moment, which comprises a roller body, wherein a tunable eccentric is arranged in a vibration wheel of the roller body, the tunable eccentric comprises an eccentric block body, the eccentric block body comprises a first block body and a second block body which are connected through bolts, a horseshoe-shaped accommodating cavity is arranged in the eccentric block body, an arc-shaped counterweight plate is arranged outside one side of the horseshoe-shaped accommodating cavity of the eccentric block body, the inner wall of the horseshoe-shaped accommodating cavity is provided with a fixed block extending to the central part of the horseshoe-shaped accommodating cavity, the end part of the fixed block is provided with a rotating shaft extending to the outside of the eccentric block body, arc-shaped groove rails matched with the inner contour of the horseshoe-shaped accommodating cavity are arranged on the end surfaces of the two sides of the horseshoe-shaped accommodating cavity, a plurality of rotatable counterweight rollers are clamped between the two arc-shaped groove rails, the counterweight roller is characterized in that a blind hole is formed in the end face of the counterweight roller, the pin shaft is inserted into the blind hole in a rotating mode, a damping layer is coated on the surface of the counterweight roller, a buffer assembly is arranged between the arc-shaped groove rail and the pin shaft and comprises a buffer wall which is attached to the inner wall of the arc-shaped groove rail, the cross section of the buffer wall is wavy, a plurality of bow-shaped spring pieces are uniformly arranged on the circumferential surface of the pin shaft in a surrounding mode, and the contour of each bow-shaped spring piece is matched with.

The buffer layer is including locating the first buffer layer on counter weight roller surface, the shock attenuation post along the radial direction of counter weight roller is covered with to first buffer layer surface, shock attenuation post top is connected in the second buffer layer.

The outer surface of the first shock absorption layer is positioned between four adjacent shock absorption columns and is provided with a first shock absorption bulge, and the inner surface of the second shock absorption layer is provided with a second shock absorption bulge corresponding to the first shock absorption bulge.

And a rotating bearing is arranged in the blind hole and connected to the pin shaft.

The profile of the arc-shaped groove rail is in a five-third-to-six-fourth-circle shape, and 3-5 arc-shaped spring pieces are arranged.

The rubber layer that is used for the shock attenuation is equipped with to the fixed block with the contact surface of counter weight roller, all be equipped with corresponding fluting in first block, the second block, two flutings are closed to constitute the shape of a hoof and hold the chamber.

Has the advantages that: the utility model discloses a vibratory roller with tunable vibration wheel moment, when in use, the amplitude is adjusted by adjusting the rotation direction of the tunable eccentric, when the tunable eccentric rotates clockwise, under the action of inertia and centrifugal force, the counterweight roller slides to one side close to the arc counterweight plate along the arc groove rail; when adjustable eccentric ware anticlockwise rotation, under the effect of inertia and centrifugal force, the counter weight roller slides to keeping away from arc counterweight plate one side along the arc grooved rail, because the moment of two kinds of states is different, thereby reach the effect of trading the amplitude, in order to eliminate unnecessary vibration, not only increase the buffer layer on counter weight roller surface, prevent that it from colliding with the vibration of bringing mutually, epaxial bow-shaped spring leaf of round pin still can take place to block the effect with the wave surface of buffer wall, bow-shaped spring leaf can take place elastic deformation when buffer wall, make the moving speed of counter weight roller slow down, and then reduce vibration, and the design simple structure, it is convenient to trade the amplitude, mechanical failure such as difficult emergence card pause, can not produce the impact to hydraulic part, the service life of the hydraulic part is prolonged.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic diagram of the counterclockwise rotation of the tunable eccentric according to the present invention;

fig. 3 is a schematic diagram of the tunable eccentric of the present invention rotating clockwise;

fig. 4 is a side view of the tunable eccentric of the present invention;

FIG. 5 is a partial schematic view of the shock absorbing layer of the present invention;

fig. 6 is a schematic structural diagram of the buffer assembly of the present invention.

Detailed Description

The technical solution of the present invention is explained in detail below, but the scope of protection of the present invention is not limited to the embodiments.

As shown in fig. 1 to 6, the utility model relates to a vibratory roller with tunable vibration wheel torque, which comprises a roller body 1, a tunable eccentric device is arranged in a vibratory wheel 2 of the roller body 1, the tunable eccentric device comprises an eccentric block body 3, the eccentric block body 3 comprises a first block body 4 and a second block body 5 which are connected through bolts, a horseshoe-shaped accommodating cavity 6 is arranged in the eccentric block body 3, an arc-shaped counterweight plate 7 is arranged outside one side of the horseshoe-shaped accommodating cavity 6 of the eccentric block body 3, a fixed block 8 extending to the center of the horseshoe-shaped accommodating cavity 6 is arranged on the inner wall of the horseshoe-shaped accommodating cavity 6, a rotating shaft 9 extending to the outside of the eccentric block body 3 is arranged at the end part of the fixed block 8, arc-shaped groove rails 10 matched with the inner contour of the horseshoe-shaped accommodating cavity 6 are arranged on the end surfaces on both sides, a plurality of rotatable counterweight rollers 11 are clamped between the two arc-shaped groove, the end face of the counterweight roller 11 is provided with a blind hole, the pin shaft 12 is inserted into the blind hole in a rotating manner, the surface of the counterweight roller 11 is coated with a damping layer, a buffer assembly is arranged between the arc-shaped groove rail 10 and the pin shaft 12 and comprises a buffer wall 13 which is attached to the inner wall of the arc-shaped groove rail 10, the cross section of the buffer wall 13 is wavy, a plurality of bow-shaped spring pieces 14 are uniformly arranged on the circumferential surface of the pin shaft 12 in a surrounding manner, and the contour of each bow-shaped spring piece 14 is matched with.

The buffer layer is including locating first buffer layer 15 on counter weight roller 11 surface, and first buffer layer 15 surface is covered with along the shock attenuation post 16 of counter weight roller 11 radial direction, and the shock attenuation post 16 top is connected in second buffer layer 17.

The outer surface of the first shock absorbing layer 15 is provided with a first shock absorbing bulge 18 between four adjacent shock absorbing columns 16, and the inner surface of the second shock absorbing layer 17 is provided with a second shock absorbing bulge 19 corresponding to the first shock absorbing bulge 18.

The contour of the arc-shaped groove rail 10 is five-third to six-third of a circle, and 3-5 arc-shaped spring pieces 14 are arranged.

The contact surface of the fixed block 8 and the counterweight roller 11 is provided with a rubber layer for damping, corresponding slots 20 are arranged in the first block 4 and the second block 5, and the two slots 20 are closed to form a horseshoe-shaped accommodating cavity 6.

As mentioned above, although the present invention has been shown and described with reference to certain preferred embodiments, it should not be construed as limiting the invention itself. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A vibratory roller with a tunable vibration wheel torque is characterized in that: the adjustable eccentric device comprises a road roller body, a tunable eccentric device is arranged in a vibration wheel of the road roller body, the tunable eccentric device comprises an eccentric block body, the eccentric block body comprises a first block body and a second block body which are connected through bolts, a U-shaped containing cavity is arranged in the eccentric block body, an arc-shaped counterweight plate is arranged outside one side of the U-shaped containing cavity of the eccentric block body, a fixed block extending to the central part of the U-shaped containing cavity is arranged on the inner wall of the U-shaped containing cavity, a rotating shaft extending to the outside of the eccentric block body is arranged at the end part of the fixed block, arc-shaped groove rails are arranged on the inner walls of two sides of the U-shaped containing cavity, a plurality of rotatable counterweight rollers are clamped between the two arc-shaped groove rails, the counterweight rollers are connected in the arc-shaped groove rails in a sliding mode through pin shafts, the surface of the counterweight roller is coated with a damping layer, a buffer assembly is arranged between the arc-shaped groove rail and the pin shaft, the buffer assembly comprises a buffer wall which is attached to the inner wall of the arc-shaped groove rail, the cross section of the buffer wall is wavy, a plurality of bow-shaped spring pieces are uniformly arranged on the circumferential surface of the pin shaft in a surrounding mode, and the contours of the bow-shaped spring pieces are matched with the surface contours of the buffer wall.

2. A vibratory roller with a vibratory wheel having a tunable torque as claimed in claim 1, wherein: the buffer layer is including locating the first buffer layer on counter weight roller surface, the shock attenuation post along the radial direction of counter weight roller is covered with to first buffer layer surface, shock attenuation post top is connected in the second buffer layer.

3. A vibratory roller with a vibratory wheel having a tunable torque as claimed in claim 2, wherein: the outer surface of the first shock absorption layer is positioned between four adjacent shock absorption columns and is provided with a first shock absorption bulge, and the inner surface of the second shock absorption layer is provided with a second shock absorption bulge corresponding to the first shock absorption bulge.

4. A vibratory roller with a vibratory wheel having a tunable torque as claimed in claim 1, wherein: and a rotating bearing is arranged in the blind hole and connected to the pin shaft.

5. A vibratory roller with a vibratory wheel having a tunable torque as claimed in claim 1, wherein: the profile of the arc-shaped groove rail is in a five-third-to-six-fourth-circle shape, and 3-5 arc-shaped spring pieces are arranged.

6. A vibratory roller with a vibratory wheel having a tunable torque as claimed in claim 1, wherein: the rubber layer that is used for the shock attenuation is equipped with to the fixed block with the contact surface of counter weight roller, first block, second block terminal surface all are equipped with corresponding fluting, two flutings are closed to constitute the shape of a hoof and hold the chamber.