JPH066780U - Power transmission damper device - Google Patents

Abstract

(57) [Summary] [Purpose] In the power transmission part of the flywheel part, in order to shorten the time for replacing the damper member, the damper member can be replaced without disassembling the power transmission part,
In addition, the shape of the damper member is simplified to enable low cost processing. A fitting that allows a damper member to be inserted and removed between a ring and a protrusion provided in a circumferential direction of the disk body located inside the ring in a direction along a rotation axis of the disk body. A stopper plate for preventing the damper member from slipping out in the direction of the rotation axis of the disk member is provided on the surface of the disk member, and an opening for attaching and detaching the stopper plate to the casing that houses the ring and the disk member. It is provided.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a damper device for a power transmission unit of a marine speed reducer or the like.

[0002]

[Prior art]

 2. Description of the Related Art Conventionally, as a technique related to a damper device for a power transmission unit, a technique disclosed in Jpn. The damper device of this technology has a large number of fitting parts (circular and partially cutout) on the inner circumference of the ring, and a large number of protrusions provided in the circumferential direction of the disk body located inside the ring. A damper member having a shape that matches the shape of the fitting portion is attached to the portion so as to be inserted in the radial direction, and the damper member is fitted into the fitting portion.

[0003]

[Problems to be solved by the device]

 In the damper device configured as described above, when the damper member deteriorates and is to be replaced, the disk member must be temporarily removed from the ring and the damper member must be removed from the protrusion of the disk member. The ring and the disk had to be disassembled, and the replacement work took a very long time. Further, since it is necessary to configure the damper member so as to match the shape of the fitting portion, the shape of the damper member is complicated and the processing cost is high.

[0004]

[Methods for solving problems]

 The present invention has the following configuration in order to solve the above problems. That is, in a configuration in which a damper member is arranged between a ring and a disk body located inside the ring to transmit power, the inner peripheral portion of the ring and the uneven portion of the outer peripheral portion of the disk member are respectively provided with damper members. A fitting part matching the shape is provided, a damper plate is inserted into the fitting part to prevent the stopper plate from slipping out in the direction of the rotation axis, and a casing for housing the ring and the disc body is provided with It is provided with an opening for attaching and detaching the stopper plate.

[0005]

[Action]

 When replacing the damper member, leave the ring and disc pair attached as they are, remove the stopper plate from the opening, pull out the old damper member from the direction along the axis of rotation of the disc body, and replace it with the new damper member. Replacing the damper member at the fitting part is completed by inserting the plug and installing the stopper plate. The damper member at each fitting is replaced by rotating the ring to sequentially align the openings.

[0006]

【Example】

 The problems and configurations to be solved by the present invention are as described above. Next, the embodiments of the present invention shown in the accompanying drawings will be described. FIG. 1 is a side sectional view of a power transmission unit using the present invention, FIG. 2 is a partial front view showing a shape of fitting of a ring 2 and a disc body 3, and FIG. 3 is a damper member 4 and a fitting member for the fitting unit. FIG. 6 is a perspective view showing a mounting structure of a stopper plate 5.

First, in FIG. 1, as one element of a power transmission unit, a ring 2 is fixed by bolts to a side surface of a circumferential portion of a flywheel 1 fixed to a crankshaft of an engine. A disc body 3 is fitted to the inner peripheral portion of the ring 2 via a damper member 4, and a power transmission shaft 9 is fitted and fixed to the central portion 3c of the disc body 3, and the power transmission shaft 9 The dynamic force is transmitted from the gear 11 fixedly installed to the propeller shaft (not shown) through the forward / reverse switching and the clutch 10.

As shown in FIGS. 2 and 3, a large number of recessed portions 2a are provided on the inner peripheral portion of the ring 2, and semicircular damper member fitting portions 2b are provided on the side surfaces of the recessed portions 2a. On the other hand, on the other hand, the outer peripheral portion of the disk body 3 is radially formed with convex portions 3a, 3a, ... ing. A damper member fitting portion 3b is formed on the side surface of the convex portion 3a of the disk body 3 so as to form a circular fitting portion together with the damper member fitting portion 2b. As shown in the drawing, the cylindrical damper member 4 is inserted into the cylindrical fitting portion constituted by the pad member fitting portions 2b and 3b. Further, an oval stopper plate 5 is applied to the side surface of the disk member 3 to fix it to the protrusion 3a of the disk body 3 with a bolt 6 to prevent the damper member 4 from coming off.

The damper member 4 is made of an elastic material such as rubber and serves as a cushioning material between the disk body 3 and the ring 2. Further, in order to prevent the damper member from coming off, it has been necessary to complicate the shape of the damper member and the fitting portion itself, but the present invention uses the stopper plate 5 so that the damper member and the fitting portion are It is possible to prevent the damper member from coming off even if the shape of the is slightly different due to a processing error or the gap is large. In the present embodiment, the shape of the damper member fitting portions 2b and 3b is matched to form a cylindrical shape, but the fitting portion and the damper member may be formed into a plate shape or a trapezoidal shape. It is possible and the shape is not limited, and in any case, the shape is simplified and the processing can be performed at low cost. Further, although the stopper plate 5 is designed to prevent the two damper members from coming off, the stopper plate 5 may be configured to have one or three or more coming off members, and the stopper plate 5 may be provided with a damper member. It can also be configured so that they can be loosely fitted and both can be removed at once.

The ring 2 and the disc body 3 fitted in this way are covered with a casing 7 as shown in FIG. 1, and the side surface of the casing 7 is located at the position of the protrusion 3 a of the disc body 3. An opening 7a having a size such that the topper plate 5 can be removed is provided, and the damper member 4 is detachable from the opening 7a. The opening 7a is usually covered with a lid 8. When replacing the damper member, the lid 8 is removed to open the opening 7a, the bolt 6 is removed to remove the stopper plate 5, and the old damper is removed. The member 4 is extracted and replaced with a new one, and the stopper plate 5 is fastened again with the bolt 6 to complete the replacement of the damper member in one fitting portion. That is, since the damper member 4 can be pulled out in the direction of the rotation axis core 3c of the disc body 3 by removing the stopper plate 5 from the opening 7a, the casing 7 is removed and the disc body 3 is pulled out from the ring 2. However, it is possible to rotate the ring 2 to align the opening 7a with the disk body 3 and the ring 2 attached as they are without the need for the troublesome disassembly of the power transmission unit itself. The damper member can be replaced.

[0011]

[Effect of device]

 The present invention has the following effects by being configured as in the claims. That is, when the damper member is replaced, it is not necessary to disassemble the power transmission unit itself as in the conventional case, and the replacement work time can be shortened. Further, the use of the stopper plate can prevent the damper member from coming off from the fitting portion, so that the shape of the damper member can be simplified and processed at low cost.

[Brief description of drawings]

FIG. 1 is a side sectional view of a power transmission unit using the present invention.

FIG. 2 is a partial plan view showing a fitting shape of a ring 2 and a disk body 3.

FIG. 3 is a damper member 4 and a stopper plate 5 for the fitting portion.
FIG. 3 is a perspective view showing a mounting structure of FIG.

[Explanation of symbols]

 2 ring 3 disk body 4 damper member 5 stopper plate 7 casing 7a opening

Claims (1)

[Scope of utility model registration request] 1. In a structure in which a damper member is arranged between a ring and a disk body located inside the ring to transmit power, the damper is provided on each of an uneven portion of an inner peripheral portion of the ring and an outer peripheral portion of the disk body. A fitting portion that matches the shape of the member is provided, and a stopper plate that inserts a damper member into the fitting portion to prevent the member from slipping out in the direction of the rotation axis is provided, and a casing that houses the ring and the disc body, A damper device for a power transmission part, which is provided with an opening for attaching and detaching the stopper plate.