JPH08324943A - Moving handrail driving gear for belt type moving walk - Google Patents

Abstract

PURPOSE: To prevent flowing a surface side by constituting a return side handrail inverted 180 deg. by a handrail inverting mechanism so as to place a surface of this handrail in an upper surface further with the reverse side in a lower surface, so as to eliminate contact between an endless belt and the surface of the return side handrail. CONSTITUTION: While press interposing tread belts 4a, 4b by retaining rollers 44, a support roller 27 is rotated, to guide a return side handrail 1a, inverted 180 deg. by a handrail inverting mechanism, onto a drive roller 29. A retaining roller 32 is compressed onto an endless belt 54 by utilizing pressing force of a coil spring 40. In this way, a return side handrail 1a, according to driving the carrying side tread belt 4a rotated, is press interposition transfer fed in a reverse direction to this advancing direction, and the endless belt 54 of a driving gear main unit 19 comes into contact with a reverse side of the return side handrail 1a, to prevent flowing a surface of the handrail. The return side handrail 1a is positioned in a skirt guide of a parapet panel lower part, further to move a parapet panel upper carrying side handrail in the same direction to the carrying side tread belt 4a.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a belt-type moving handrail driving device for a moving sidewalk, which is provided with a transparent balustrade panel and is hard to be scratched on the front side of the handrail.

[0002]

2. Description of the Related Art In recent years, a structure has emerged in an escalator in which a balustrade panel is made transparent so that the inside can be seen through.
Due to fashion, escalator of this type is becoming established. Therefore, even on a moving walkway, it has been demanded that the balustrade panel of the handrail be made transparent because of an upsizing trend. For this reason, even if the inventor configures the moving walkway with the transparent balustrade panel, the inventor cannot see the drive mechanism of the handrail from the outside and the maintenance and inspection are easy.
A belt-type moving handrail driving device for a moving sidewalk shown in FIG. 2 was developed and applied for in Japanese Patent Application No. 5-31136 (Japanese Patent Application Laid-Open No. 7-89685) (hereinafter referred to as "Prior Art 1").

According to the prior art 1, the handrail drive unit 19
Since it is not necessary to apply a large tension to the handrail 1, there is no limitation due to the strength of the handrail on a moving sidewalk of long length and high lift. Further, since it is not necessary to apply tension to the handrail 1 by the handrail drive unit 19, the life of the handrail can be extended accordingly. In addition, it has a transparent balustrade panel 13 adapted to modern fashion and luxury trends, so that the handrail 1 can be driven at the same speed as the tread belt 4 even if no person is present on the tread belt 4, In addition, excellent effects such as easy maintenance and inspection can be achieved.

[Problems to be Solved by the Invention]

However, according to the prior art 1, the movable handrail 1 is driven by pressing the back side of the handrail 1 with the presser roller 32, and driving the front side of the handrail 1 with the carrying side tread belt 4a as a drive source. It is performed by contacting with. Therefore, during driving, a flaw is generated on the front surface of the handrail 1 due to friction with the endless belt 54, and the aesthetic appearance is deteriorated.

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a belt-type moving handrail drive device for a moving sidewalk which can greatly reduce the degree of occurrence of flaws on the front side of the handrail and maintain the aesthetics of the handrail. is there.

[0006]

According to the first aspect of the present invention,
Presser roller that clamps the upper end of the carrying side tread belt (4a)
(44), a plurality of support rollers (27) rotated in contact with the lower surface end of the carrying side tread belt (4a), the support roller (27) and the return side handrail (1a) inverted by 180 degrees. ) Endless belt (54) and the endless belt (54) arranged in contact with the back side of the return side handrail (1a) so as to be endlessly movable.
A plurality of drive rollers (29) that wrap around the endlessly movable,
A plurality of presser rollers (32) contacting the front side of the return side handrail (1a) on the upper surface of the return side handrail (1a), a movable frame (35) pivotally supporting the presser roller (32), and The movable frame (35) comprises a push-down mechanism (40) for pushing the movable frame (35) downward, and the presser roller (32) has the push-down mechanism (4).
0), the front side of the return side handrail (1a) is squeezed between the endless belt (54) to run, and the handrail drive device main body (19) and the return side handrail (1a) are driven. Characterized by comprising a handrail reversing mechanism (2) for reversing 180 degrees before entering the device body (19) and reversing 180 degrees after exiting from the drive device body (19) Is.

According to a second aspect of the present invention, in the first aspect of the invention, the handrail reversing mechanism (2) is provided with its axis lined horizontally to clamp the return side handrail (1a) from above and below. In addition, the handrail pressing roller (3) for contacting the front side of the return side handrail (1a) and the return side handrail (1
It has a receiving roller (22) for contacting the back side of (a), and the first handrail reversing mechanism (2a) and the second handrail reversing mechanism (2b) are provided on the upstream side of the drive device main body (19). A third handrail reversing mechanism (2d) and a fourth handrail reversing mechanism (2e) are respectively provided on the downstream side of the drive device main body (19), and the first handrail reversing mechanism (2a) is The handrail pressing roller (3) is provided below and the receiving roller (22) is provided above, and the second handrail reversing mechanism (2b) provided on the downstream side of the first handrail reversing mechanism (2a) is In order to reverse the return side handrail (1a) by 180 degrees between the first handrail reversing mechanism (2a) and the second handrail reversing mechanism (2b), a handrail pressing roller (3) is received on the upper side. The roller (22) is provided downward, and the third handrail reversing mechanism (2d) is provided with the handrail pressing roller (3) on the upper side and the receiving roller (22) on the lower side. The fourth handrail reversing mechanism (2e) provided on the downstream side of the third handrail reversing mechanism (2d) includes the third handrail reversing mechanism (2d) and the fourth handrail reversing mechanism (2e). In order to invert the return handrail (1a) again by 180 degrees between
It is characterized in that it is provided with the handrail pressing roller (3) below and the receiving roller (22) above.

[0008]

The present invention relates to the improvement of the moving handrail drive device for the belt type moving sidewalk shown in the prior art 1,
After passing through the handrail inlet, the return-side handrail is inverted 180 degrees by the handrail reversing mechanism before entering the handrail drive body, and in the handrail drive body, the return-side handrail, the front side is the upper side, and the back side is the lower side. Since the endless belt of the handrail drive unit arranged below the return side handrail comes into contact with the back side of the return side handrail and the front side of the return side handrail does not contact the endless belt, It is hard to get scratches on the front side of. After returning from the handrail drive device, the return-side handrail is again inverted 180 degrees by the handrail inversion mechanism and passes through the handrail inlet.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, the present invention will be described based on the embodiments shown in the drawings.

FIG. 1 is a side view of a belt-type moving walkway equipped with a handrail drive device according to the present invention, FIG. 2 is a sectional view taken along the line AA of FIG. 1, and FIG. 3 is a sectional view taken along the line BB of FIG. 4 is a sectional view taken along the line C-C, FIG. 5 is an enlarged sectional view taken along the line of FIG. 5, FIG. 6 is a sectional view taken along the line DD of FIG. 5, and FIG. 7 is a sectional view taken along the line EE of FIG. is there. As shown in the drawing, the tread belt 4 is interposed on a drive pulley 5 provided at one end of the truss frame 14. The drive pulley 5 has a coaxial chain wheel (sprocket wheel) 18 which is a motor / decelerator. The tread belt 4 is driven endlessly by being rotated by the machine 7 via the chain 8. The upper part of the tread belt 4 is the carrying side tread belt 4a, and the lower part is the return side tread belt 4b.

The tread belt 4 is a special belt for transporting personnel, which has vertical grooves on its surface and has lateral rigidity. Lower surface of the carrying side tread belt 4a (that is, the back surface of the tread belt 4)
Are supported by support rollers 23 that support both ends. The lower surface of the return side tread belt 4b (the surface of the tread belt 4)
Are supported by support rollers 25 below the truss frame. Reference numerals 26 and 26 denote meandering prevention rollers for the tread belt 4, which are provided at both ends of the tread belt 4 in the width direction.

The handrail 1 (1a) is formed in the shape of a groove having a curved portion 1c on the back side thereof, as shown in the cross section of FIG. Note that the handrail is often referred to as a "handrail", but it is the same. In the present embodiment, "handrail" will be described. The handrail 1 has a plurality of guide rollers 12 arranged in a semicircular shape at both ends of a balustrade panel 13 made of a transparent plate, the back side of which is interposed. It receives a driving force and is driven by an endless movement type. Further, the handrail 1 has a return side handrail 1a on the lower side and a carrying side handrail 1b on the upper side, and the handrail reversing mechanism 2 is provided on the return side handrail 1a.
By the way, it may be inverted 180 degrees between the inlet 9a and the first drive unit body 19a (1d is the reversing portion), and may be inverted again by 180 degrees between the last drive unit body 19b and the inlet 9b (1d is the reversing portion). It has become. Drive unit body 19
Are provided in one or a plurality of places in the middle according to the length of the moving sidewalk as shown in FIG. In this embodiment, the first drive unit body 19a and the last drive unit body 19b are displayed.

The sidewalk mechanism in the portion other than the portion where the drive device main body 19 is provided has a structure as shown in FIGS. That is, the return side handrail in the handrail 1
1a is adapted to be electrically connected to the inside of the skirt guard 20 provided at the bottom of the balustrade panel 13 made of a transparent plate, and by removing the skirt guard 20 and the deck cover 21, a handrail on the return side can be provided if necessary. The conduction mechanism of 1a can be inspected.

Below the guide rollers 12 on both ends, an inlet for a handrail for preventing foreign matter insertion and danger prevention.
9a and 9b are provided respectively. Then, the handrail 1a is turned over 180 degrees between the inlets 9a and 9b, and the handrail 1a is turned to 1 again.
A handrail reversing mechanism 2 for reversing by 80 degrees and returning to the original is provided.

The handrail reversing mechanism 2 has a handrail pressing roller 3 for making contact with the front side of the return side handrail 1a and a receiving roller 22 for making contact with the back side of the return side handrail 1a. The handrail pressing roller 3 and the receiving roller 22 are
In order to clamp the return-side handrail 1a from above and below, the axis is set horizontally.

The first handrail reversing mechanism 2a and the second handrail reversing mechanism 2b are arranged on the upstream side of the first drive device main body 19a, and the third handrail reversing mechanism 2d and the fourth handrail reversing mechanism 2e are provided.
Are arranged on the downstream side of the last drive device main body 19b.

FIG. 8 is a sectional view showing the first handrail reversing mechanism and the fourth handrail reversing mechanism. As shown in FIG. 8, the first
The reversing mechanism 2a consists of the handrail pressing roller 3 below and the receiving roller.
It is provided with 22 up. FIG. 9 is a sectional view showing the second handrail reversing mechanism, the third handrail reversing mechanism, and the auxiliary handrail reversing mechanism. As shown in FIG. 9, the second reversing mechanism 2b
Is provided on the downstream side of the first reversing mechanism 2a, and between the first reversing mechanism 2a and the second reversing mechanism 2b, in order to reverse the return side handrail 1a by 180 degrees, the handrail pressing roller 3
On the upper side and the receiving roller 22 on the lower side.

As shown in FIG. 9, the third reversing mechanism 2d is provided with the handrail pressing roller 3 on the upper side and the receiving roller 22 on the lower side. The fourth reversing mechanism 2e is provided on the downstream side of the third reversing mechanism 2d, and for reversing the return-side handrail 1a 180 degrees between the third reversing mechanism 2d and the fourth reversing mechanism 2e. As shown in FIG. 8, the handrail pressing roller 3 is provided below and the receiving roller 22 is provided above.

A plurality of auxiliary reversing mechanisms 2c are provided between the drive device main bodies 19a and 19b. As shown in FIG. 9, the auxiliary reversing mechanism 2c includes the second and third reversing mechanisms 2c.
Similar to b and 2d, the handrail pressing roller 3 is provided on the upper side and the receiving roller 22 is provided on the lower side.

By the plurality of handrail reversing mechanisms 2a to 2e, the handrail 1a whose back side is the upper surface of the inlet 9a is provided.
However, the front side of the drive device body 19 is turned upside down by 180 degrees, and the handrail 1a is turned upside down again by 180 degrees so that the back side of the inlet 9b is in the original state.

In the drive device main body 19, the lower end of the carrying side stepping belt 4a (that is, the back surface of the stepping belt 4) end supporting roller 27 in the portions shown in FIGS. 4 and 5 is provided on the supporting frame 28, The shaft length is longer than that of the support roller 23 shown in FIGS. A plurality of the support rollers 27 are arranged in parallel at a predetermined short interval.
A drive roller 29 that rotates due to contact friction with the roller 27 via the endless belt 54 is arranged in parallel between the 27. Further, it is preferable that the widths of the driving roller 29 and the endless belt 54 are set so wide as not to come into contact with the curved portions 1c on both sides of the handrail 1 (see FIG. 5), as shown in FIG. Widen the contact surface with the handrail 1 to increase friction and efficiently drive the handrail 1
To tell

The endless belt 54 is wound around the outer periphery of the plurality of drive rollers 29. The endless belt 54 and the plurality of support rollers 27 are brought into contact with each other, and the handrails on the return side are placed on the endless belt 54. Contact the back side of 1a, and return handrail 1a
The upper surface, that is, the front side opposite to the back side is brought into contact with a plurality of pressing rollers 32 by the pressing force of the coil spring 40, and the handrail 1 is run while rotating the endless belt 54.

A groove for fitting the endless belt 54 is provided on the outer peripheral portion of the drive roller 29. The bottom surface of this groove, that is, the outer peripheral surface of the drive roller 29 and the inner side surface of the endless belt 54 may be flat, but a V-shaped groove is provided on the outer peripheral surface of the drive roller 29 and the V-shaped groove is formed on the inner side surface of the endless belt 54. V that fits in the groove
By providing the groove, the drive roller 29 and the endless belt 54
Prevents meandering and slipping more reliably. The drive rollers 29 are axially attached to the mounting frame 30, and both ends of the mounting frame 30 are erected on the support frame 28.
It is loosely inserted and supported so as to be slidable with respect to the pair of columns 31.

Further, above the driving rollers 29 fitted with the endless belts 54, the above-mentioned pressing rollers 32 for pressing the upper surface (front side) of the return side handrail 1a from above with the driving rollers 29 are provided. They are arranged in parallel. This presser roller 32
Is pivotally supported by one movable frame 35. Both ends of the movable frame 35 are loosely inserted and supported by the support column 31 via a pressing mechanism including a coil spring 40. Further, the movable frame 35 is loosely inserted into the guide rod 36 penetrating the mounting frame 30, and at the free insertion portions of the columns 31 at both ends, a coil spring 40 whose upper end is compressed by a nut 37 is provided.
A (push-down mechanism) is provided so as to be fitted to the support column 31, and each pressing roller 32 drives the return side handrail 1a by the pressing force of the coil spring 40 and the guide rod 36.
29 (endless belt 54) can be clamped in an appropriate state. As shown in FIG. 5, it is preferable that the width of the pressing roller 32 is set so large that it does not protrude from the handrail 1. This is because the contact surface with the handrail 1 is widened so that the handrail 1 can be reliably pinched. In addition, the presser roller 32
Is made of, for example, a resin that does not scratch the handrail 1.

Further, in order to ensure power transmission by contact friction between the step belt 4 and the support roller 27, the support roller
In the upper part of 27, a plurality of pressing rollers 44 are arranged in parallel in contact with the upper end of the carrying side stepping belt 4a. The pressing roller 44 is axially attached to a mounting frame 45, and both ends of the mounting frame 45 are slidably supported by a pair of guide columns 46 so as to be slidable. Outside the guide column 46,
Further, a column 47 is provided so as to be slidable with respect to the mounting frame 45. A coil spring 49 compressed by a nut 48 is provided on the upper end of the guide strut 47 so that the coil spring 49 is fitted to the strut 47.
And the presser rollers 44 are carried by the carrying side stepping belt 4a.
The upper surface (the surface of the tread belt 4) can be pressed against the support roller 27 in an appropriate state.

The operation of the embodiment will be described. As described above,
In the handrail drive device according to the present embodiment, each supporting roller 27 is rotated by the contact while pressing the stepping belt 4 with the pressing roller 44, and the endless belt 54 that is rotated by the rotation of the supporting roller 27 is fitted. On the drive roller 29, the return side handrail 1a which is turned 180 degrees by the handrail turning mechanism 2 is turned over.
And the endless belt 54 of the drive roller 29.
The pressing roller 32 arranged above is configured to be pressed onto the endless belt 54 of each driving roller 29 by utilizing the pressing force of the coil spring 40. As a result, the return-side handrail 1a moves along with the carrying-side tread belt 4a as it rotates.
The pressure is transferred in a direction opposite to the traveling direction of 4a, the endless belt 54 of the drive device main body 19 comes into contact with the back side of the return side handrail 1a,
No scratches on the surface of the handrail 1. The return-side handrail 1a is located inside the skirt guard 20 below the balustrade panel 13, and the carrying-side handrail 1b above the balustrade panel moves in the same direction as the carrying-side tread belt 4a.

Further, the handrail drive device according to the present invention can planarly transmit power to the handrail by utilizing the contact friction of a plurality of various rollers associated with the transfer movement of the step belt, so that the device itself can be miniaturized. Further, maintenance and repair can be easily performed by removing the skirt guard 20 and the deck cover 21 in the handrail drive unit.

Further, since the transfer movement of the handrail 1 is caused by the transfer movement of the tread belt 4, the speeds of the handrail 1 and the tread belt 4 can always be synchronized, which is preferable from the viewpoint of safety. It has the advantage that it can provide a new type of moving walkway that is transparent.

Further, since the power load transmitted to the handrail is evenly distributed to each support roller 27, the durability of the support roller 27 is increased, and the slip between the support roller 27 and the drive roller 29 is eliminated, so that the tread belt The speed of 4 and the speed of the handrail 1 can be matched.

In order to wind the endless belt 54 around the drive roller 29, one drive roller 29 is added to each end to make n + 1, and the drive rollers 29 at both ends give a predetermined tension to the endless belt 54. Was given.

[0031]

As described above, according to the handrail drive device of the present invention, the following industrially useful effects are brought about.

After the handrail (handrail) on the return side passes through the handrail inlet and before entering the body of the handrail drive device, the handrail reversing mechanism reverses the handrail 180 degrees so that the front side of the handrail is on top. The backside of the handrail is in contact with the endless belt when it enters the handrail drive part, so that the front side of the handrail does not contact the endless belt, the front side of the handrail is not damaged, and the handrail durability is improved. To do.

It is possible to provide a belt-type moving walkway having a beautiful handrail which is suitable for modern fashion and upsizing, and the handrail has no flaws and has good aesthetics and texture.

Since it is not necessary to apply a large tension to the handrail with the handrail driving device main body, there is no limitation due to the strength of the handrail for a long walkway with a high machine head and a high lift, and the handrail reversing mechanism does not damage the front side of the handrail. Since the aesthetics can be maintained for a long time, the life of the handrail is extended from the aesthetic viewpoint.

[Brief description of drawings]

FIG. 1 is a side view showing an embodiment of a moving walkway equipped with a moving handrail drive device according to the present invention.

FIG. 2 is a sectional view taken along the line AA of FIG.

FIG. 3 is a sectional view taken along line BB of FIG.

4 is a cross-sectional view taken along the line CC of FIG.

5 is an enlarged cross-sectional view of the main parts of FIG.

6 is a cross-sectional view taken along the line DD of FIG.

FIG. 7 is a sectional view taken along line EE of FIG. 5;

FIG. 8 is a cross-sectional view showing first and fourth handrail reversing mechanisms.

FIG. 9 is a cross-sectional view showing second, third and auxiliary handrail reversing mechanisms.

FIG. 10 is a side view showing a belt-type moving walkway provided with a conventional moving handrail drive device.

[Explanation of symbols]

 1 handrail (handrail) 1a return handrail 1b carrying side handrail 1c handrail curved part 1d handrail reversing part 2 handrail reversing mechanism 2a first handrail reversing mechanism 2b second handrail reversing mechanism 2c auxiliary handrail reversing mechanism 2d third handrail reversing mechanism 2e Fourth handrail reversing mechanism 3 Handrail presser roller 4 Tread belt 4a Carrying side tread belt 4b Return side tread belt 5 Drive pulley 7 Electric motor / speed reducer 8 Chain 9, 9a, 9b Handrail inlet 12 Guide roller 13 Transparent balustrade panel 14 Truss Frame 18 Sprocket wheel 19 Handrail drive main unit 19a First handrail drive main unit 19b Last handrail drive main unit 20 Skirt guard 21 Deck cover 22 Receiving rollers 23, 25 Belt support roller 26 Meandering prevention roller 27 Support roller 28 Support frame 29 Drive roller 30 Mounting frame 31 Strut 32 Presser roller 35 Movable frame 36 Guide rod 37 Nut 40 Coil spring 44 Belt presser roller 45 Mounting frame 46 Guide column 47 Column 48 Nut 49 Coil spring 54 Endless belt

Claims (2)

[Claims] 1. A pressing roller (44) for pinching the upper end of the carrying side tread belt (4a), and a plurality of supporting rollers rotated in contact with the lower surface end of the carrying side tread belt (4a). (27)
And an endless belt (54) and the endless belt (54) arranged to be movable endlessly in contact with the back side of the return side handrail (1a) on the lower surface of the support roller (27) and the return side handrail (1a) inverted by 180 degrees. A plurality of driving rollers (29) around which the belt (54) is endlessly movable, and a plurality of pressing rollers (3) which come into contact with the front side of the return side handrail (1a) on the upper surface of the return side handrail (1a).
2) and a movable frame (35) that pivotally supports the pressing roller (32).
And a lowering mechanism (40) for pressing the movable frame (35) downward, the pressing roller (32) is provided between the endless belt (54) by the lowering mechanism (40). With the front side of the return side handrail (1a) is squeezed and run, the handrail drive device main body (19) and the return side handrail (1a) are inverted 180 degrees before entering the drive device main body (19). And the drive device body (19)
A moving handrail drive device for a belt-type moving sidewalk, which comprises a handrail reversing mechanism (2) for reversing 180 degrees after exiting from. 2. The handrail reversing mechanism (2) is provided to contact the front side of the return side handrail (1a), which is provided with the axis line horizontally for pinching the return side handrail (1a) from above and below. Handrail presser roller (3) and return handrail for
The first handrail reversing mechanism (2a) and the second handrail reversing mechanism (2b) have a receiving roller (22) for contacting the back side of (1a), and are provided on the upstream side of the drive device body (19). However, a third handrail reversing mechanism (2d) and a fourth handrail reversing mechanism (2e) are respectively provided on the downstream side of the drive device main body (19), and the first handrail reversing mechanism (2a) is , Handrail retainer rollers (3)
And the receiving roller (22) on the lower side, and the second handrail reversing mechanism (2b) provided on the downstream side of the first handrail reversing mechanism (2a) includes the first handrail reversing mechanism. Mechanism (2
In order to reverse the return side handrail (1a) by 180 degrees between a) and the second handrail reversing mechanism (2b), the handrail presser roller (3) is placed on the upper side and the receiving roller (22) is placed on the lower side. The third handrail reversing mechanism (2d) is provided and is a handrail pressing roller.
(3) is provided on the upper side and the receiving roller (22) is provided on the lower side. The fourth handrail reversing mechanism (2e) provided on the downstream side of the third handrail reversing mechanism (2d) is 3 Handrail reversing mechanism (2
In order to invert the return side handrail (1a) again by 180 degrees between the d) and the fourth handrail reversing mechanism (2e), the handrail pressing roller (3) is placed below and the receiving roller (22) is placed above. The device according to claim 1, wherein the device is provided.