JPH10109874A - Lubricant coating device for escalator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the workability of lubricant coating by disposing a tank mounted in a footstep for housing lubricants, providing a coating piece contacted/moved away from a skirt guard for coating the lubricants and contacting/ moving away this coating piece from the skirt guard by a contacting/separating means. SOLUTION: For a raising operation, a solenoid switch device 28 connected to a lower operation cam 11b is excited to move the operation cam 11b to an operation side while an upper operation cam 11a is kept in a releasing side. Then, by passing an operation roller 25a through the operation cam 11b moved to the operation side, a switching member 25 is rotated to the operation side and a coating piece 13 is positioned in a coating place. That is, the left and right coating pieces 13 are simultaneously pushed up to a skirt guard 5 by a spring 14. A clutch 23 is connected by a clutch operation piece 24, the rotation of a follow-up roller 2 is transmitted to a pump 17, and the silicone of a tank 16 is supplied to the coating pieces 13 via a pipe 18 and then applied on the surface of the skirt guard 5.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an escalator lubricant applying apparatus for applying a lubricant such as silicon to a skirt guard of an escalator.

[0002]

2. Description of the Related Art FIG. 5 is a schematic diagram showing an example of a conventional escalator. In the figure, reference numeral 1 denotes a plurality of steps which are connected endlessly. These steps 1 include a driving roller (not shown) for transmitting a driving force, and a rotatable follower roller for maintaining the posture of the steps 1. 2 are provided respectively. Reference numeral 3 denotes a follower rail for guiding the follower roller 2, 4 denotes a balustrade standing upright on both sides of the transport path of the step 1, 5 denotes a lower part of the balustrade 4, and faces both ends in the width direction of the step 1. The skirt guard 6 is a moving handrail that moves in synchronization with the steps 1.

In such an escalator, the gap between the moving step 1 and the skirt guard 5 is 0.5 to 4 m.
m, it is necessary to apply a lubricant such as silicon to the skirt guard 5 so that passengers' shoes or the like are not drawn into this gap.

FIG. 6 is an explanatory view showing a method of applying a lubricant to a skirt guard in a conventional escalator.
FIG. 6 is a diagram corresponding to a VI-VI cross section in FIG. 5. In the figure, reference numeral 7 denotes a silicon applicator which is placed on the steps 1 and applies silicone as a lubricant to the skirt guard 5.

As shown in FIG. 6, when applying silicon to the skirt guard 5, the silicon applicator 7 is placed on the step 1, and an operator presses the applied piece of the silicon applicator 7 against the skirt guard 5. Then, the escalator is raised or lowered to apply silicon to the entire skirt guard 1. Also, step 1 of the escalator while driving
Alternatively, the silicon applicator 7 may be placed as is, and the applied piece may be pressed against the skirt guard 5. As such a conventional silicon applicator 7, for example, the one shown in Japanese Utility Model Publication No. 54-45670 is known.

[0006]

In the conventional silicon coating method as described above, it is necessary to transport the silicon coater 7 to the escalator and put it on the step 1, but the silicon coating operation usually takes one to two months. However, there is a problem that it takes a lot of time and labor in a place where a large number of escalators such as department stores are installed. In addition, since the skirt guard 1 is on both the left and right sides of the step 1, it is necessary to perform the above operation twice for one escalator.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problems, and can reduce the labor of transportation and installation, and can improve the workability of a lubricant application operation. It is an object of the present invention to obtain a lubricant application device for an escalator.

[0008]

The lubricant application device for an escalator according to the present invention is mounted on a step.
A tank containing a lubricant, an application piece that is provided in the step so as to be able to approach and separate from the skirt guard and applies the lubricant to the skirt guard, and a supply unit that supplies the lubricant in the tank to the application piece And a contacting / separating means for bringing the application piece into and out of contact with the skirt guard.

According to a second aspect of the present invention, there is provided an escalator lubricant applying apparatus in which application pieces are provided on both left and right sides of a step, and these application pieces are moved toward and away from a skirt guard in conjunction with each other.

According to a third aspect of the present invention, there is provided a lubricant application device for an escalator, comprising: a pump connected to a tank; a pipe connecting the pump and the application piece; and a pump for transmitting rotation of a step follower roller. And a pump driving mechanism for driving the pump.

According to a fourth aspect of the present invention, there is provided a lubricant applying apparatus for an escalator, wherein a clutch for interrupting the transmission of rotation of the following roller is provided in the pump drive mechanism when the applied piece is separated from the skirt guard. is there.

According to a fifth aspect of the present invention, there is provided a lubricant application device for an escalator, wherein the switching member is provided in the step and switches the position of the application piece between an application position and a non-application position, and is provided on the truss side. This uses a contacting / separating means having an operation cam for operating a member.

According to a sixth aspect of the present invention, there is provided a lubricant application device for an escalator, wherein an operation cam is moved by an electromagnetic switch device.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a configuration diagram showing an escalator having a lubricant application device according to an embodiment of the present invention, and FIG. 2 is a cross-sectional view taken along line II-II in FIG.
The same or corresponding parts as those in FIG. 5 are denoted by the same reference numerals, and description thereof will be omitted.

In FIG. 1, reference numeral 1A denotes a step with a silicon coating device connected between steps 1, and this step 1A with a silicon coating device is the same as the normal step 1 except that the silicon coating device is incorporated. belongs to. 11a, 11
Reference numeral b denotes an operation cam that is provided near both ends of the transport path of the step 1, that is, in the upper and lower horizontal sections, and that sets and releases the step 1A with the silicon coating device.

In FIG. 2, reference numeral 12 denotes left and right follow rollers 2.
And a pair of left and right steps 13 that respectively support the skirt guard 5 so as to be able to approach and separate from the skirt guard 5.
The coating pieces 13 are formed by winding a cloth around the outside of, for example, a sponge, urethane, or the like. 14 is a spring for pressing the application piece 13 against the skirt guard 5, and 15 is the left and right application pieces 1.
3 is a connecting rod for bringing the skirt guard 5 into and out of contact with the skirt guard 5.

Reference numeral 16 denotes a tank supported in the step 1A and containing silicon as a lubricant, and 17 denotes a tank 16
Pump 18 is connected to the pump 17 and the application piece 1
3 is a pipe driving mechanism for transmitting the rotation of the follow-up roller 2 to drive the pump 17. The pump driving mechanism 19 includes pulleys 20A and 20B, as shown in FIG. A timing belt 21 wound between the pulleys 20A and 20B, a shaft 22 of the pulley 20B, a clutch 23 interposed between the shaft 22 and the pump 17,
And a clutch operation piece 24 provided in the middle of the connecting rod 15 to operate the clutch 23.

Reference numeral 25 is connected to the connecting rod 15 to
Is a switching member for switching the position between the application position and the non-application position. The operation member 25a is provided at one end of the switching member 25, and the lock roller 25b is provided at the other end. Reference numeral 26 denotes a lock device fixed to the step 1A. The lock device 26 has a built-in spring (not shown) whose leading end comes and goes to lock the locking roller 25b.

In FIG. 3, reference numeral 28 denotes an upper and lower horizontal portion fixed to a truss (not shown) of an escalator, an electromagnetic switch device (cam driving device) for moving the operation cams 11a and 11b, and 13a a coating piece. The mounting metal 14 a is a shaft of the spring 14. As shown in FIG. 4, the electromagnetic switch device 28 includes a cylinder 29 having a built-in electromagnetic coil,
A plunger 30 inserted into the cylinder 29, a driving lever 31 for connecting the plunger 30 and the cam 27, a spring retainer 32 connected to the plunger 30 by a nut 33, and a spring retainer 32 provided between the plunger 30 and the spring retainer 32. The return spring 34 is provided.

The supply means in this example has a pump 17, a pipe 18, and a pump drive mechanism 19. Further, the contacting / separating means in this example includes connecting rods 15,
It has a switching member 25, a cam 27, and an electromagnetic switch device.

Next, the operation will be described. For example, at the time of the ascent operation, the electromagnetic switch device 28 connected to the lower operation cam 11b is excited to operate the operation cam 11b.
Is moved to the operation side, and the upper operation cam 11a remains at the release side. In addition, in the case of the descending operation, the reverse is the case of the ascending operation. The electromagnetic switch device 28 moves the cams 11a and 11b to the operation side by exciting the built-in electromagnetic coil, and moves the cams 11a and 11b to the release position by the restoring force of the return spring 34 when the excitation is released. This allows
When the operation roller 25a passes through the operation cams 11a and 11b moved to the operation side, the switching member 25 is rotated to the operation side as shown in FIG.

In the operating state as shown in FIGS. 2 and 3, the switching member 25 is pivoted to the operating side,
Is located at the application position. That is, the left and right application pieces 13
Are simultaneously pressed against the skirt guard 5 by the spring 14. Further, the clutch 23 is connected by the clutch operation piece 24, and the rotation of the
7 and the silicon in the tank 16 is supplied to the application piece 13 via the pipe 18. And the application piece 13
Is supplied to the surface of the skirt guard 5.

Thereafter, when the operation roller 25a passes through the other operation cams 11a and 11b at the release position, the switching member 25 is rotated to the release side, that is, clockwise in FIG.
When the locking roller 25b passes through the distal end of the lock device 26, the switching member 25 is locked, and the application piece 13 is maintained at the non-application position against the spring 14, that is, at the position separated from the skirt guard 5. Dripping. At this time, the left and right application pieces 13 are similarly moved to the non-application position by the connecting rod 15, the clutch 23 is released, the transmission of rotation from the following roller 2 is interrupted, the pump 17 is stopped, and the supply of silicon is stopped. Also stop.

Since such a lubricant applying device is built in the step 1A, it is not necessary to carry or install the lubricant every time the work is performed, and the workability is improved. In addition, since the left and right application pieces 13 are linked, silicon can be applied to the left and right skirt guards 5 at a time, and the workability is further improved. Furthermore, since the pump is driven by using the rotation of the follower roller, no special power supply or the like is required, which is economical.

Although the electromagnetic switch device 28 is fixed on the truss side in the above description, it may be mounted on the step 1A. The operation of the electromagnetic switch device 28 may be performed by a switch provided on the operation panel, and is automatically operated for one turn of the step 1 when driving for a certain period of time using a timed unit. May be controlled as follows.

In the above example, the left and right application pieces 13 are linked, but they may be independently brought into contact with and separated from the skirt guard 5. Further, in the above example, the pump 17 is driven by the rotation of the follow roller 2, but a drive source such as a battery may be mounted.

Further, in the above example, silicon is shown as the lubricant, but other lubricants may be used.

[0028]

As described above, the lubricant application device for an escalator according to the first aspect of the present invention has the components built into the steps, so that the labor for transportation and installation can be reduced, and the workability can be improved. .

In the lubricant applying apparatus for an escalator according to the second aspect of the present invention, the application pieces are provided on both the left and right sides of the steps, and these application pieces are moved toward and away from the skirt guard in conjunction with each other. Can be improved.

In the lubricant application device for an escalator according to the third aspect of the present invention, the pump is driven by using the rotation of the follower roller to supply the lubricant to the application piece, so that the economic efficiency can be improved. And maintenance work such as battery replacement can be reduced.

According to a fourth aspect of the present invention, there is provided the escalator lubricant applying device, wherein the clutch for interrupting the transmission of the rotation of the following roller when the applied piece is separated from the skirt guard is provided.
Since it is provided in the pump drive mechanism, the lubricant can be supplied only when necessary, with a simple structure.

In the lubricant applying apparatus for an escalator according to the fifth aspect of the present invention, the operation cam provided on the fixed side of the escalator switches the contact of the application piece to and from the skirt guard, thereby preventing the step from becoming heavy. And the configuration can be simplified.

In the lubricant applying apparatus for an escalator according to the sixth aspect of the present invention, since the operation cam is moved by the electromagnetic switch, the reliability can be improved.

[Brief description of the drawings]

FIG. 1 is a configuration diagram showing an escalator having a lubricant application device according to an example of an embodiment of the present invention.

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

FIG. 3 is a configuration diagram showing an enlarged main part of the lubricant application device of FIG. 2;

FIG. 4 is a plan view showing the electromagnetic switch device of FIG. 3;

FIG. 5 is a schematic configuration diagram showing an example of a conventional escalator.

FIG. 6 is an explanatory view showing a method of applying a lubricant to a skirt guard in a conventional escalator.

[Explanation of symbols]

1 step, 2 follow rollers, 5 skirt guard, 11
a, 11b Operation cam, 13 coating piece, 16 tank, 17 pump, 18 pipe, 19 pump drive mechanism, 23 clutch, 25 switching member, 28 electromagnetic switch device.

Claims (6)

[Claims] 1. A tank mounted in a step and containing a lubricant, and an application piece provided in the step so as to be able to approach and separate from a skirt guard and applying the lubricant to the skirt guard. An escalator lubricant application device, comprising: a supply unit that supplies a lubricant in the tank to the application piece; and a contact / separation unit that causes the application piece to approach and separate from the skirt guard. . 2. The lubrication of an escalator according to claim 1, wherein the application pieces are provided on both left and right sides of the step, and the contacting / separating means makes the application pieces on both sides contact / separate from / to the skirt guard. Agent application device. 3. The supply means includes a pump connected to the tank, a pipe connecting the pump and the application piece, and a pump drive mechanism for transmitting rotation of a step follower roller to drive the pump. 3. The lubricant application device for an escalator according to claim 1, wherein the lubricant application device has a lubricant. 4. The escalator according to claim 3, wherein the pump driving mechanism is provided with a clutch for interrupting the transmission of rotation of the following roller when the application piece is separated from the skirt guard. Lubricant application device. 5. A switching member provided in the step and for switching the position of the application piece between an application position and a non-application position, and an operation cam provided on the truss side for operating the switching member. The lubricant application device for an escalator according to any one of claims 1 to 4, comprising: 6. The lubricant applying apparatus for an escalator according to claim 5, wherein the operation cam is moved by an electromagnetic switch device.