WO2012053122A1

WO2012053122A1 - Pivoting arm structure for solid lubricant application device

Info

Publication number: WO2012053122A1
Application number: PCT/JP2010/071019
Authority: WO
Inventors: 祥一大蔭; 英樹森
Original assignee: 日本潤滑剤株式会社
Priority date: 2010-10-21
Filing date: 2010-11-25
Publication date: 2012-04-26
Also published as: JP2012086753A

Abstract

The purpose of the present invention is to normally retain the attitude of a spring for pivotally pressing a pivoting arm in one direction. This pivoting arm structure for a solid lubricant application device is configured so that a washer (71) provided between the pivoting arm (8) and a spring member (10) can stably pivotally press the pivoting arm (8) while preventing the torsion, etc. of the spring member (10) when the pivoting arm (8) pivots, the spring member (10) being provided on the protruding tip shaft section (65) of a shaft body (61) which is provided in the through-hole (91) of the pivoting arm (8).

Description

Rotating arm structure of solid lubricant applicator

The present invention relates to a rotating arm structure of a solid lubricant application device, and more particularly to a novel improvement for normally maintaining the posture of a spring for urging and energizing a rotating arm in one direction.

An example of this type of solid lubricant coating device that has been conventionally used is the configuration disclosed in Patent Document 1.
That is, what is indicated by reference numeral 1 in FIG. 8 is a known traveling body, and the wheel 2 provided at the lower portion of the traveling body 1 is configured to travel on a known rail (not shown). A solid lubricant 5 is applied to the flange portion 4 of the wheel 2.

A pair of rotating

arms

8 and 9 are urged in one direction by spring members 10 such as torsion springs on opposite sides of the holding plate 6 provided at the lower part of the traveling body 1 via shaft support portions 7 in different directions. It is configured to be.

As shown in FIGS. 9 and 10 and FIGS. 11 to 15, the

rotary arms

8, 9 are fitted with the

holding members

11, 12 having a U-shaped cross section and a long groove shape. 9 is provided so as to be reciprocally movable along the longitudinal direction of the holding member 11, and a locking portion 40 formed in a U shape is provided on the

back portions

11 a and 12 a side of the

holding members

11 and 12. Further, a notch 41 and a bent portion 42 are formed in the

back portions

11a and 12a.

A tip end surface 21 is formed at the tip end of each of the

pivot arms

8 and 9 and has a plane only, and the surface direction thereof is non-orthogonal to the longitudinal direction 20 of each of the

pivot arms

8 and 9 shown in FIG.
A tongue piece 22 formed by bending is provided at the tip of each

holding member

11, 12, and the base portion of each solid lubricant 5 is sandwiched between the tip surface 21 and the tongue piece 22. Being held.

The notches 41 of the

holding members

11 and 12 are positioned on the arm back

portions

8a and 9a of the

rotary arms

8 and 9, and a part of the notches 41 is positioned in the notches 41 and the lever 50 is provided. The lever body 51 is fixed by a bolt 52.
The lever 50 can be rotated in the direction of the arrow A on the shaft support 53 of the lever body 51, and a rectangular frame-like connecting body is provided between the engaging portion 54 of the lever 50 and the locking portion 40. 60 is provided.

The connecting body 60 is operably coupled to the engaging portion 54 and the locking portion 40, and the

holding members

11, 12 are moved through the connecting body 60 by the rotation of the lever 50. The distance between the distal end surface 21 and the tongue piece 22 can be changed.
That is, the lever 50 is pivoted upward in the state of FIG. 9, the

holding members

11, 12 of the

pivot arms

8, 9 are lifted, and the tongue piece 22 serves as the base of the solid lubricant 5. When the lever 50 is rotated downward from the state shown in FIG. 9, the tongue piece 22 is lowered together with the turning

arms

11 and 12 via the coupling body 60, and the tip surface 21 and the tongue piece are brought together. The holding of the solid lubricant 5 is released with an interval between the two.
As shown in FIG. 9 and the like, the surface direction of the distal end surface 21 is an arm that faces the arm back

portions

8a and 9a from the arm back

portions

8a and 9a where the lever bodies 51 of the

rotary arms

8 and 9 are located. It forms so that it may become a downward slope toward the

front parts

8b and 9b.

Japanese Patent No. 4249923

Since the conventional solid lubricant application device is configured as described above, the following problems exist.
That is, there is provided a spring member composed of a torsion spring for urging and energizing each rotating arm in a different direction, but since the space for mounting this spring member is small, the wheel on which the solid lubricant directly slides is provided. When following the unevenness of the inner surface of the spring member, the spring member may be tightened or loosened, so that part of the spring member may enter the clearance of the shaft support part, and the spring property of the spring member is impaired, and each rotating arm There was a possibility that the rotation followability of the was impaired.

The rotating arm structure of the solid lubricant applying device according to the present invention is rotatably attached to a holding plate of a traveling body traveling on a rail, and holds the solid lubricant applied to the flange portion of the wheel of the traveling body. In a rotating arm structure of a solid lubricant applying device comprising at least a pair of rotating arms that are urged to rotate in opposite directions, a shaft body rotatably inserted into a through hole of the rotating arm; A tip projecting shaft portion of the shaft body penetrating the through-hole, a spring receiving body having a T-shaped cross section that is coaxially fitted and fixed to the outer periphery of the tip projecting shaft portion, and a flange portion that forms the spring receiving body; A spring member disposed on an outer periphery of the small-diameter portion of the small-diameter portion; a washer disposed between the spring member and the first outer surface of the rotating arm; and the first outer surface. Formed at the start of the spring member through the notch A first insertion hole formed in the spring receiving body, a second insertion hole into which a terminal end of the spring member is inserted, a lever body provided at a back portion of the rotating arm and having an openable / closable lever, The solid lubricant is provided between a holding member that is provided on the outer periphery of the lower part of the rotating arm so as to be movable up and down and is connected to the ring-shaped connecting body of the lever body, and a tongue piece of the holding member and a tip surface of the rotating arm. And a stopper pin provided at the rear end of the shaft body and a third insertion hole formed in the second outer surface of the rotating arm. The stopper pin and the rotating pin are configured such that their longitudinal directions are orthogonal to each other, and the rotating pin is in contact with the stopper pin, and a spring sleeve is provided on the outer periphery of the spring member. Configuration provided A.

Since the rotating arm structure of the solid lubricant applicator according to the present invention is configured as described above, the following effects can be obtained.
That is, at least a pair of rotating lubricants that are rotatably attached to the holding plate of the traveling body that runs on the rails, hold the solid lubricant applied to the flanges of the wheels of the traveling body, and are urged to rotate in opposite directions. In a rotating arm structure of a solid lubricant applying device comprising a rotating arm, a shaft body rotatably inserted into a through hole of the rotating arm, and a tip protruding shaft portion of the shaft body penetrating the through hole And a T-shaped spring receiver that is coaxially fitted and fixed to the outer periphery of the tip protruding shaft portion, and the outer periphery of the small-diameter portion among the flange portion and the small-diameter portion that form the spring receiver. A spring member provided, a washer disposed between the spring member and the first outer surface of the rotating arm and having a notch, and a start end of the spring member formed on the first outer surface via the notch A first insertion hole to be inserted and formed in the spring receiver. A second insertion hole into which a terminal end of the spring member is inserted; a lever body provided on an arm back portion of the rotating arm; and a lever body having an openable / closable lever; A holding member coupled to the ring-shaped coupling body of the lever body; and a clamping portion for clamping the solid lubricant between the tongue piece of the holding member and the tip end surface of the rotating arm. Even if the moving arm reciprocates and the spring member tries to deform, the washer is provided on the through-hole side of the rotating arm, so that the spring member is prevented from being kinked, and the aligned winding state is maintained. By obtaining a stable rotation operation of the rotation arm, it is possible to apply a stable lubricant.
A stopper pin provided at a rear end of the shaft body; and a rotation pin provided in a third insertion hole formed in a second outer surface of the rotation arm. The stopper pin and the rotation pin are By adopting a configuration in which the longitudinal directions are orthogonal to each other and the rotation pin is in contact with the stopper pin, the rotation range of the rotation arm can be reliably regulated.
In addition, since a spring sleeve is provided on the outer periphery of the spring member, it is possible to reliably prevent deformation of the spring member, such as kinking, during the rotation operation of the rotation arm.

It is a front block diagram of the rotation arm which shows the rotation arm structure of the solid lubricant application | coating apparatus by this invention. It is a left view of FIG. FIG. 3 is a sectional view A of FIG. 2. FIG. 3 is an arrow B view of FIG. 2. FIG. 2 is an exploded perspective view of FIG. 1. It is a front view which shows the other form of a washer. It is a perspective view which shows the other form of the sleeve for springs. It is a front block diagram which shows the conventional solid lubricant coating device. It is a front view which shows one holding member of FIG. FIG. 10 is a right side view of FIG. 9. FIG. 10 is a left side view of FIG. 9. It is a left view which shows the holding member of FIG. It is a right view of FIG. FIG. 13 is a rear view of FIG. 12. It is a top view of the principal part of FIG. FIG. 10 is a right side view of the rotating arm of FIG. 9. It is a right view of FIG. FIG. 17 is a rear view of FIG. 16.

An object of the present invention is to provide an arm structure of a solid lubricant application device that can normally maintain a posture of a spring for urging and energizing a rotating arm in one direction.

A preferred embodiment of a rotating arm structure of a solid lubricant applicator according to the present invention will be described below with reference to the drawings.
In addition, although the attachment structure of a spring member differs from a prior art example, the same code | symbol is attached | subjected and demonstrated to the same or equivalent part as a prior art example. In addition, about a prior art example, it shall use for this invention except for a part.
1, 2, and 10, what is indicated by reference numeral 8 is a rotating arm provided on the holding plate 6 of the traveling body 1 in FIG. 8, and this rotating arm 8 is a return of a spring member 10 described later. Although it consists of a pair which was urged | biased by the reverse direction mutually by force, since a pair is the same structure, only one rotation arm 8 is demonstrated here.

A longitudinal shaft body 61 is provided in a through hole 91 formed in the upper portion of the rotating arm 8 with a shaft sleeve 62 provided on the outer periphery thereof. The end 63 is positioned so as to protrude toward the second outer surface 64 of the rotating arm 8, and the tip protruding shaft portion 65 is disposed to protrude outward from the first outer surface 66 of the rotating arm 8.

A stopper pin 67 is provided at the rear end 63 by being inserted into the hole 67a along the diameter direction of the shaft body 61, and a rotation pin 69 is provided at the third insertion hole 68a of the second outer surface 64. The

pins

67 and 69 are arranged so that their longitudinal directions are orthogonal to each other. As shown in FIG. 4, the rotation range of the rotation arm 8 is set at a predetermined angle by the rotation pin 69 coming into contact with the stopper pin 67. It is configured to be regulated within.

As shown particularly in FIGS. 5 and 2, the tip protruding shaft portion 65 protruding outward from the first outer surface 66 includes a washer 71 having a notch 70, a spring member 10 including a torsion spring, and the like. A spring sleeve 72 located on the outer periphery of the spring member 10, a T-shaped section 73, a flange portion 73 and a small diameter portion 74, and a spring receiver 75 fixed to the tip protruding shaft portion 65 by a set screw 73b are sequentially inserted. A nut 81 is provided on the threaded portion 80 formed at the tip of the tip protruding shaft portion 65.
Therefore, the shaft 61 is fixed to the holding plate 6 of the traveling body 1 by sandwiching the holding plate 6 of FIG. Is held rotatably with respect to the holding plate 6.

The start end 10a of the spring member 10 is inserted into and engaged with the first insertion hole 68 through the notch 70, and the end 10b is inserted into and engaged with the second insertion hole 73a of the spring receiving body 75. The spring member 10 is disposed at the outer peripheral position of a narrow diameter portion 74 having a smaller diameter than the outer diameter of the flange portion 73 of the spring receiving body 75.
Accordingly, one end 10 </ b> A along the axial direction of the spring member 10 aligned and wound in a coil spring shape is in contact with the flange 73, and the other end 10 </ b> B is in contact with the washer 71.

Furthermore, a tip end surface 21 is formed at the tip end of the pivot arm 8 and the surface direction thereof is non-orthogonal with respect to the longitudinal direction of the pivot arm 8. A tongue piece 22 formed by bending is provided, and a base portion 5a of the solid lubricant 5 is sandwiched and held in a sandwiching space 21a between the distal end surface 21 and the tongue piece 22.

A notch 41 of the holding member 11 is located on the arm back 8a of the rotating arm 8, and a part of the notch 41 is located in the notch 41 and a lever body 51 having a lever 50 is a bolt 52. It is fixed by.
The lever 50 can be opened and closed on the shaft support 53 of the lever body 51 along the direction of the arrow A, and a square frame-like ring-shaped connecting body is provided between the engaging portion 54 of the lever 50 and the locking portion 40. 60 is provided.

The ring-shaped connecting body 60 is operably coupled to the engaging portion 54 and the locking portion 40, and the holding member 11 is moved in the longitudinal direction of the rotating arm 8 via the ring-shaped connecting body 60 by the rotation of the lever 50. The distance between the front end surface 21 and the tongue piece 22 can be changed.
That is, in the state where the lever 50 is closed upward in the state of FIG. 1, the holding member 11 of the rotating arm 8 is lifted, and the tongue piece 22 holds the base portion 5 a of the solid lubricant 5. When the lever 50 is turned downward from the state shown in FIG. 1, the tongue piece 22 is lowered together with the turning arm 11 via the ring-shaped connecting body 60, and the distance between the tip surface 21 and the tongue piece 22 is lowered. The holding of the solid lubricant 5 is released.
As shown in FIG. 1 and the like, the surface direction of the distal end surface 21 is directed from the arm back portion 8a where the lever body 51 of the rotating arm 8 is located toward the arm front portion 8b facing the arm back portion 8a. It is formed to have a downward slope.

Therefore, by providing the above-described rotating arms 8 as a pair on the holding plate 6 of the traveling body 1 as shown in FIG. 6, the solid lubrication having a configuration in which the pair of

rotating arms

8 and 9 are urged in opposite directions to each other. An agent application device can be obtained. The cutout 70 is not limited to the V shape shown in FIG. 5, and a cutout shape shown in FIG. Further, the spring sleeve 72 may have a structure having a slit 72a as shown in FIG.

The rotating arm structure of the solid lubricant applicator according to the present invention can be applied not only to the application of the solid lubricant but also to members other than the wheels by replacing the fixed lubricant with other liquid or melted material. Is possible.

Claims

Solid lubricant (5) which is rotatably attached to the holding plate (6) of the traveling body (1) traveling on the rail and applied to the flange (4) of the wheel (2) of the traveling body (1). In the rotating arm structure of the solid lubricant applicator device comprising at least a pair of rotating arms (8) that hold and are biased in opposite directions to each other,
A shaft body (61) rotatably inserted into the through hole (91) of the rotating arm (8), and a tip projecting shaft portion (65) of the shaft body (61) passing through the through hole (91). ), A spring receiving body (75) having a T-shaped cross section that is coaxially fitted and fixed to the outer periphery of the tip protruding shaft portion (65), and a flange portion (73) that forms the spring receiving body (75). Of the small diameter portion (74), a spring member (10) disposed on the outer periphery of the small diameter portion (74), and the first outer surface (66) of the spring member (10) and the rotating arm (8). A washer (71) disposed between the first outer surface (66) and a start end (10a) of the spring member (10) via the notch (70). A first insertion hole (68) to be inserted; a second insertion hole (73a) formed in the spring receiver (75) into which the terminal end (10b) of the spring member (10) is inserted; and the pivot arm A lever body (51) provided on the back (8a) of the arm of (8) and having an openable / closable lever (50), and a lower outer periphery of the rotating arm (8). A holding member (11) that is provided so as to be movable downward and is connected to the ring-shaped connecting body (60) of the lever body (51), a tongue piece (22) of the holding member (11), and the rotating arm (8). A rotating arm structure for a solid lubricant applicator, comprising a holding space (21a) for holding the solid lubricant (5) between the front end face (21) and the tip end face (21).
A stopper pin (67) provided at the rear end (63) of the shaft body (61) and a third insertion hole (68a) formed in the second outer surface (64) of the rotating arm (8). The stopper pin (67) and the rotating pin (69) are longitudinally orthogonal to each other, and the stopper pin (67) is connected to the rotating pin (69). The rotating arm structure of the solid lubricant applying device according to claim 1, wherein:
3. A rotating arm structure for a solid lubricant applicator according to claim 1, wherein a spring sleeve (72) is provided on the outer periphery of the spring member (10).