JPH0765643B2 - Assembling the power transmission belt - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of assembling a pin mount type or pin and link mount type transmission belt which is wound around a V pulley having a V groove for transmission.

[0002]

2. Description of the Related Art A conventional pin mount type or pin and link mount type transmission belt has a large number of dimensions from the center of the pulley when the belt is fitted in the V groove of the pulley to the center point of the pin of the pin mount block. I measured the pin mount block of, and assembled the power transmission belt without selecting the one with an approximate size.

[0003]

As described above, the conventional transmission belt has been assembled without selecting each pin mount block, but since the pin mount block is connected to the link by the pin without rattling, the transmission belt. Around the pulley, the running radii at the V-groove fitting portions of the pulleys of each pin mount block vary, resulting in over tension on the link plate of the transmission belt and variations in the transmission torque between the pulleys. There was a problem to do.

In order to solve the above-mentioned problems, in the present invention, a large number of at least one or more superposed link plates are connected endlessly by a pin, and both ends of the block mounted on the pin or the link plate are V pulleys. In a pin mount or pin-and-link mount type transmission belt that is joined to the V groove of, the dimension from the center of the pulley to the pin center point of the pin mount block when the belt is fitted in the V groove of the pulley is measured. Measured on many pin mount blocks,
The measured blocks are selected in units of several tens of microns, and adjacent blocks are arranged so that the difference in dimension from the center of the pulley is not more than a predetermined value to assemble a transmission belt.

[0005]

As described above, in the present invention, in the pin mount or pin and link mount type transmission belt, from the center of the pulley when the belt is fitted in the V groove of the pulley to the pin center point of the pin mount block. Is measured for a number of pin mount blocks, the measured blocks are selected in units of several tens of microns, and adjacent blocks are arranged so that the difference in size from the center of the pulley is below a predetermined value. Since the transmission belt is assembled by using the transmission belt of the present invention, when the transmission belt of the present invention is wound around the pulley, the variation of the running radius in the V groove fitting portion of the pulley of each pin mount block is different from that of the conventional transmission belt. Very small

Therefore, according to the present invention, the over tension is not generated in the link plate of the transmission belt, and the fluctuation of the transmission torque between the pulleys is significantly reduced.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. FIGS. 1 and 2 show an example of a pin mount type transmission belt, and FIGS. 3 to 5 show an example of a pin and link mount type transmission belt.

In the figure, 1 is a link plate, 2 is a pin for connecting a number of link plates 1 endlessly, 3 is a pin mounted on the linked link plate 1, and a pin mounting block 4 mounted on the pin 2 (see FIG. 1). , 2) is a plug which is fitted into the pin mount block 3 to prevent the pin 2 from coming off, and 5 (see FIGS. 3, 4 and 5) is a pin which covers the pin mount block 3 to prevent the pin 2 from coming off. A clip, 6 is a link mount block fitted to the link plate 1, 7 (see FIGS. 6 and 7) is a V pulley, 7 a is its V groove, and O is the center of the V pulley 7.

In the present invention, as shown in FIGS. 6 and 7, from the center O of the V pulley 7 to the pin center point P of the pin mount block 3 when the transmission belt is fitted in the V groove 7a of the V pulley 7. Up to R ₁ , R ₂ , R ₃ , R ₄ ---
Is measured for a large number of pin mount blocks 3, and the measured blocks 3 are sorted into units of several tens of microns so that the dimensional difference between the adjacent blocks 3 from the center O of the pulley 7 is at least several tens of microns or less. Arrange the blocks 3 to assemble a set of transmission belts.

[0010]

As described above, in the present invention, in the pin mount or pin and link mount type transmission belt, the pin mount is performed from the center O of the pulley 7 when the belt is fitted in the V groove 7a of the pulley 7. The dimensions R ₁ , R ₂ , R ₃ --- up to the pin center point P of the block 3 are measured with respect to a large number of pin mount blocks 3, and the measured blocks 3 are sorted into units of several tens of microns, and adjacent blocks are arranged. Since the blocks 3 are arranged so that the dimensional difference from the center O of the pulley 7 is at least several tens of microns or less to assemble a set of transmission belts, the transmission belt of the present invention is wound around the pulley 7. when multiplied, variation in running radius _{R 1, R 2, R 3} --- in the fitting portion between the V-groove 7a of the pulley 7 of each pin mounting block 3 and the conventional transmission belt It compares very smaller.

Therefore, according to the present invention, it is possible to obtain an effect that the over tension is not generated in the link plate 1 of the transmission belt and the fluctuation of the transmission torque between the pulleys is significantly reduced.

[Brief description of drawings]

FIG. 1 is a partial side view showing an example of a pin mount type transmission belt to which the present invention is applied.

FIG. 2 is a sectional view taken along the line II-II in FIG.

FIG. 3 is a partial side view showing an example of a pin-and-link mount type transmission belt to which the present invention is applied.

4 is a sectional view taken along line IV-IV in FIG.

FIG. 5 is a VV sectional view of the same.

FIG. 6 is an explanatory diagram showing a state in which a pin mount block is fitted in a V groove of a V pulley.

FIG. 7 is a side view of FIG. 6 showing the V groove of the pulley in a cut state.

[Explanation of symbols]

1 link plate 2 pin 3 pin mount block 4 plug 5 pin clip 6 link mount block 7 V pulley 7a V groove O pulley center P pin mount block pin center point R ₁ , R ₂ , R ₃ OP dimension

Claims (1)

[Claims] 1. A pin mount in which a large number of at least one or more link plates are endlessly connected by a pin, and both ends of a block mounted on the pin or the link plate are joined to a V groove of a V pulley. Alternatively, in a pin-and-link mount type transmission belt, the dimension from the center of the pulley to the pin center point of the pin mount block when the belt is fitted in the V groove of the pulley is measured for many pin mount blocks, and the measurement is performed. The method of assembling a transmission belt, wherein the blocks are selected in units of several tens of microns, and adjacent blocks are arranged so that the difference in dimension from the center of the pulley is equal to or less than a predetermined value to assemble a transmission belt. .