JPS6131051Y2 - - Google Patents

Description

[Detailed description of the invention] This invention relates to a vibrating roller for the purpose of compacting the ground, and is expected to strengthen the frame structure that supports the roll.

Conventional vibrating rollers can be divided into types in which a vibrating shaft is provided within the roll and types in which a vibrating mechanism is provided in a support frame outside the roll, when viewed from the perspective of the vibrations exerted on the roll. On the other hand, in any of the above-mentioned types of vibrating rollers, the structure of the frame to support these rolls is not that the gap between the left and right frame side plates is adjusted in advance to match the width of the roll and the structure is combined into a single piece. When assembling a roll, it is not possible to mount both ends of the roll spindle on both side plates of the frame, and the roll cannot be repaired or replaced. First, when the rolls are assembled, they are connected to each other with bolts via a connecting support stand on which the engine and the like are mounted.

The purpose of vibrating rollers is to compact road surfaces by applying powerful vibrations to the rolls, so the frame that supports the rolls is required to have particularly high strength.As mentioned above, the support frames are connected by bolts. In the case of a type of frame, there is a limit in increasing the strength and rigidity of the frame itself, and there are major problems such as a lack of durability due to loosening of the bolts due to vibration.

In view of the problems with the support frame of vibrating rollers, this proposal is based on a frame that supports the roll with a rigid cross section H that has improved vibration resistance and durability.
It has an integral structure, and the roll adapted to this frame is also characterized by having a structure in which both support shafts can be freely attached to the rigid side plates of the frame.

Next, the vibration roller according to the present invention will be described in detail based on the illustrated embodiment. As shown in FIGS. 1 and 2, the frame 1 supporting the rolls 2 and 3 has a width W that can accommodate the rolls 2 and 3. The left and right side plates 4 and 5 are welded to both ends of the central support plate 8 on which the engine 6 and transmission 7 are mounted so that the engine 6 and the transmission 7 are fixed in advance, creating an integral frame structure with an H-shaped cross section when viewed from the front and rear directions of the aircraft. It is synthesized as In addition, the left and right side plates 4 and 5 of the frame 1 have the same height in the upper part than the center support plate 8, but the height of one side plate 4 in the part below the center support plate 8 is higher than the height of the left and right side plates 4. Due to the provision of the mechanism 9, the opposite side plate 5 is larger than the opposite side plate 5.
The height is set to be a small height above the center line of the spindles of the rolls 2 and 3.

In addition, the frame 1 has left and right side plates 4, 5 and a center support plate 8 integrated into one body, and as shown in FIG. Processed to ensure precise opening.

On the other hand, rolls 2 and 3 are, for example, roll 2 in FIG.
As shown by, the left and right side plates 4 of the frame 1,
A pair of side walls 11 and 12 are provided at the innermost part and have a roll width such that both ends are close to 5.
A vibrating shaft 14 having an eccentric pendulum 13 mounted thereon is rotatably mounted, and one end of the shaft 14 projects toward one side plate 4 of the frame.

On the outer surfaces of the roll side walls 11 and 12, support shafts 15 and 16 coaxial with the vibration generating shaft 14 are provided outside the center.
Discs 17 and 18 protruding from each other are attached via anti-vibration rubber 19. The spindle 15 of one of the disks 17 and 18 is of a cylindrical shaft type,
This cylindrical support shaft 15 is rotatably attached to a bearing body 20 fixed to the inner surface of the frame side plate 4, and the support shaft 16 of the other disk 18 is fixed to the inner surface of the frame side plate 5 as shown in FIG. bracket-shaped bearing 21
It is also rotatably attached to the shaft.

The cylindrical support shaft 15 is provided with a driving gear 22, and a gear 24 at the inner end of a shaft 23 that passes through the upper part of the bearing body 20 to the outside of the frame side plate 4 is meshed with the gear 22. The shaft 23 of this gear 24
Rather than attaching the roll 2 to the frame side plate in advance before assembling it into the frame 1, the frame side plate 4 is pre-drilled with a hole 26 large enough to insert the outer cylinder 25 that encases the shaft 23. , the roll 2 is assembled into the frame and the bearing body 20 is attached to the frame side plate 4.
After being connected to the inside of the frame via bolts 27, the outer cylinder 25 is inserted through the frame side plate 4, and the gear 24 is meshed with the drive gear 22.

A gear 28 is provided at the outer end of this shaft 23, and this gear 28 is a reduction gear 30 rotated by a drive output shaft 29 of the transmission 7, as shown in FIG.
The power from the drive output shaft 29 is transmitted to the gear 3.
0, 28, and 24 to the disk 17 of the cylindrical support shaft 15, causing the roll 2 to rotate.

Also, the frame side plate 4 is inserted through the inside of the cylindrical support shaft 15.
A sprocket shaft 31 inserted from the outside of an insertion hole 33 made in the frame side plate 4 in the same manner as the outer cylinder 25 of the shaft 23 is connected to the shaft end of the vibration generating shaft 14 that protrudes in the direction of the sprocket. 32 and the vibration output shaft 34 of the transmission 7 shown in FIG.
vibrations are starting to occur.

When installing the roll 2 on the frame 1, as shown in FIG. The roll 2 is placed under the frame 1 in a hanging state.
Next, as shown in Fig. 5b, the frame side plate 4 of the roll 2 is
The roll 2 is assembled into the frame 1 so that the tip end 20' of the bearing body 20 facing the side contacts the inner surface of the frame side plate 4. Next, roll 2 as shown in Figure 5c.
to the right to insert and fix the bearing tip end 20' into the insertion hole 33 in the frame side plate 4, and at the same time rotate the bracket-shaped bearing 21 on the opposite side upward and insert it into the inner surface of the frame side plate 5. It is fixed via bolts 27.

The vibrating roller according to the present invention has the shaft support of the rolls 2 and 3 to the frame side plates 4 and 5 as described above, and one side of the vibration roller is a bearing body 20 into which a driving force transmission gear can be installed after being attached to the inner surface of the frame side plate 4. In addition, on the other side, the frame 1 itself is attached to both side plates in advance because the bracket-shaped bearing 21 is used so that the protruding part as a connection part to the frame side plate 5 hangs down to a lower position where it does not interfere with the installation of the roll into the frame. Even if the rollers 4 and 5 have a rigid structure in which they are integrally welded to the central support plate 8, the rolls can be assembled without any problem, and the rolls can be freely attached and detached during repairs.

Of course, by making the frame a welded structure with an H-shaped cross section, it is possible to greatly increase the durability and robustness against vibrations when compared to frames with conventional bolt connections, and the quality of the product is improved. It has the effect that improvement can be expected.

[Brief explanation of the drawing]

FIG. 1 is a side view of the vibrating roller according to the present invention, FIG. 2 is a sectional view taken along the - line in FIG. 1, FIG. 3 is a side view on the opposite side to FIG. 1, and FIG. 4 is a perspective view of the frame. FIG. 5 is an explanatory diagram showing the process of assembling the roll into the frame. In the figure, 1...frame, 2,3...roll, 4,5...
...Frame side plate, 6...Engine, 7...Transmission, 8...Central support plate, 9...Transmission mechanism, 10...
...Through holes for mounting parts, 11, 12...Roll side wall,
13... Pendulum, 14... Excitation axis, 15, 16...
Support shaft, 17, 18... Disc, 19... Anti-vibration rubber,
20...Bearing body, 21...Bracket-shaped bearing, 2
2, 24, 28, 30...gear, 23...shaft, 2
5... Outer cylinder, 26, 33... Hole, 29... Drive output shaft, 31... Sprocket shaft, 34... Vibration output shaft.

Claims (1)

[Scope of utility model registration request] The roll support frame 1 has an integral structure with an H-shaped cross section when viewed from the front and rear directions, and the rolls 2 and 3 disposed inside the frame have an excitation shaft 14 mounted between both side walls 11 and 12, and a vibration generating shaft 14 mounted between both side walls 11 and 12. Anti-vibration rubber 1 on each outside
It consists of support shafts 15, 16 provided coaxially with the vibration generating shaft via 9, and bearing parts 20, 21 rotatably fitted to the support shafts 15, 16. The rolls 2 and 3 are attached to the frame 1 by connecting the bearings 20 and 21 to the inner surfaces of the frame side plates 4 and 5, and the power on the frame is transmitted through a transmission mechanism 9 disposed on the outer surface of one of the frame side plates 4. from the source to the one bearing portion 20 and the vibration generating shaft 14.
A vibrating roller characterized in that power is transmitted to the vibrating roller.