JP3442239B2 - Belt-type moving sidewalk handrail drive - Google Patents

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 drive device for a moving walkway equipped with a transparent balustrade panel.

[0002]

2. Description of the Related Art As shown in FIG. 11, a conventional belt type handrail driving mechanism for a moving sidewalk is constructed by straddling a handrail 1 with a drive wheel 62 and a driven wheel 63 at both ends, and the drive wheel 62 and an endless moving type tread belt. 4 is connected to the drive pulley 5 by a chain 6, and the drive pulley 5 is rotated by a motor / speed reducer 7 via a chain 8.
The handrail 1 is driven by an endless moving type, and the return side handrail 1a and the carrying side step belt 4a move in opposite directions. FIG. 11 is a side view of a moving walkway equipped with a conventional handrail drive device, and 69 in FIG. 11 is a tension device for giving a tension necessary for driving the handrail 1, 68.
Shows the pressing roller of the return side handrail 1a.

As described above, the handrail 1 is driven by the chain 6 in a moving sidewalk in which the handrail 1 is driven by rotating the drive wheel 62 interposing the handrail 1 from the drive pulley 5 of the step belt 4 by the chain 6. The balustrade panel 61 of the handrail, which is installed in the drive wheel 62, is designed to shield these drive devices from the outside.
Must be an opaque plate.

However, in recent years, in escalator,
With the appearance of a transparent balustrade panel that allows the inside to be seen through, an escalator of this type is becoming established due to its fashionability. 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.

FIG. 12 is a partial side view showing a conventional handrail driving device for an escalator having a transparent balustrade panel.
As shown in FIG. 12, an escalator having a conventional transparent balustrade panel has a balustrade panel 13 in which the handrail 1 is made of a transparent plate.
It is mounted on a large number of guide rollers 12 arranged in a semicircle at the end of the truss frame, and is mounted on a drive wheel 15 provided inside the truss frame 144, and is driven by a chain 17 from a step drive shaft sprocket 16 The handrail 1 is driven by rotating the wheel 15.

[0006]

Even in a moving walkway for which the present invention is intended, the drive mechanism of the handrail is housed in the truss frame, as in the case of the transparent balustrade panel type escalator as shown in FIG. However, the belt-type moving walkway has a problem different from that of the escalator, and the handrail drive mechanism cannot be directly applied to the belt-type moving walkway. The reason is the inspection of the drive wheel 15 and the chain 17, etc.,
When adjusting the tensioning device, in the case of an escalator, by removing the individual steps,
It is possible for a worker to enter the truss frame for maintenance and inspection work, but in the case of a belt-type moving walkway, the tread belt is continuous, so work must be performed inside the truss frame unless it is cut. This is because there is a problem that personnel cannot enter. When all the balustrade panels of the belt-type moving sidewalk are made of glass, there is a problem in the related art that the above-mentioned problems occur.

Therefore, an object of the present invention is to solve the above-mentioned problems, further reduce the overall width of the moving walkway as compared with the conventional type, and adapt it to a moving walkway with a long captain, and it is compact and easy to maintain. An object of the present invention is to provide a moving handrail drive device for an easy belt type moving sidewalk.

[0008]

The invention according to claim 1 is
On the return side that passed through the inlet (9a) from the carrying side and turned 180 degrees on the return side, the reduction gear with motor (27) provided below the handrail (1a) on the return side and the output shaft of the reduction gear with motor (27) The bearing unit (43) of the fixed frame (30) arranged in series with the attached sprocket wheel (41) and the lower surface of the return side handrail (1a) and in contact with the back side of the return side handrail (1a). ), A plurality of drive rollers (29) mounted on one side of the drive roller shaft (28) and a sprocket mounted on the other side of the drive roller shaft (28) A plurality of two-row sprocket wheels (44) in two rows, and the sprocket wheel (41) and the two-row sprocket wheels for transmitting the power of the motor-equipped speed reducer (27) to the drive roller (29). (44) An endless chain (42) hung between each other, A plurality of pressing rollers (32) arranged in series, which are in contact with the front side of the return side handrail (1a) on the upper surface of the return side handrail (1a), and are vertically provided on the fixed frame (30). Guide rod (36)
And the pressing roller rather than the core of the guide rod (36).
A stanchion (31) eccentrically provided on the (32) side and vertically provided on the fixed frame (30), the guide rod (36) and the stanchion.
The pressing roller (3
2) A free-insertion frame (35) made of a square steel tube that supports the pressing roller shaft (33), and a push-down provided on the column (31) for pressing the free-insertion frame (35) downward. A spacer fitted between the mechanism (40) and the free insertion frame (35) and the fixed frame (30) into the guide rod (36) to support the free insertion frame (35) on the lower side thereof. (38) and the endless chain (42) is the sprocket wheel.
(41) and the adjacent two-row sprocket wheels (44) are hung between the inside (or outside) sprockets, and between the adjacent two-row sprocket wheels (44), the outside and the outside ( Or the inner and inner) sprockets are hung around each other and then placed next to each other.
Between the row sprocket wheels (44), the inner and inner (or outer and outer) sprockets are hung on each other, and thereafter, the sprocket is alternately hung on the outer side, the outer side, and the inner side. 32) is the pressing mechanism (4
0), the drive device main body is configured to squeeze the front side of the return-side handrail (1a) between the drive roller (29) and the drive roller (29) for traveling.
(19) and the return side handrail (1a) the drive unit main body (19)
180 degrees before entering, and the drive body
It is characterized by a handrail reversing mechanism (2) for reversing 180 degrees after exiting from (19).

According to the second aspect of the present invention, there is provided a reduction gear with an electric motor (27) provided below the handrail (1a) on the return side which has passed through the inlet (9a) from the carrying side, and the reduction gear with the electric motor (27).
Sprocket wheel mounted on the output shaft of (41)
And arranged in series on the lower surface of the return side handrail (1a),
A fixed frame that contacts the front side of the return side handrail (1a)
A plurality of drive rollers (2) mounted on one side of the drive roller shaft (28) supported by the bearing unit (43) of (30).
9), a plurality of two-row sprocket wheels (44) attached to the other side of the drive roller shaft (28) and having two rows of sprockets inside and outside, and the speed reducer with an electric motor (27). An endless chain (42) wound between the sprocket wheel (41) and the two-row sprocket wheel (44) for transmitting power to the drive roller (29)
And the return handrail (1a) on the upper surface of the return handrail (1a).
a) a plurality of pressing rollers (32) arranged in series, which come into contact with the back side of a), a guide rod (36) provided vertically on the fixed frame (30), and a guide rod (36). The fixed frame (3
(0) A vertical support column (31) and the guide rod (36)
And a loose insertion frame (35) made of a square steel pipe that pivotally supports the pressing roller shaft (33) of the pressing roller (32), which is vertically inserted into the support column (31) so as to be freely movable, and the free insertion frame. A push-down mechanism (40) provided on the column (31) for pushing the (35) downward, the loose insertion frame (35) and the fixed frame.
The endless chain (42) is composed of a spacer (38) fitted between the guide rod (36) and the guide rod (36) and supporting the free insertion frame (35) on the lower side thereof. (41) and the two-row sprocket wheels (44) adjacent to each other are hung between the inner (or outer) sprockets, and between the adjacent two-row sprocket wheels (44), the outer side and the outer side (or Inner and inner) sprockets are hung around each other, and between the adjacent two-row sprocket wheels (44), the inner and inner (or outer and outer) sprockets are hung around each other, and thereafter The pressing roller (32) is alternately wound on the outside, the inside, and the inside, and the pressing mechanism (40) moves the back side of the return side handrail (1a) between the driving roller (29). Pinch It is characterized by running.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, the present invention will be described with reference to the drawings. FIG. 1 is a side view of a belt-type moving walkway equipped with a moving handrail drive device according to the present invention, and FIG. 2 is A of FIG.
-A line sectional view, FIG. 3 is a sectional view taken along line BB of FIG. 1, FIG. 4 is a sectional view taken along line C-C of FIG. 5, FIG. 1 is an enlarged sectional view taken along the line FF of FIG. 1, FIG. 7 is a view taken along the line DD of FIG. 5, and FIG.
FIG. 9 is a cross-sectional view showing the first handrail reversing mechanism and the fourth handrail reversing mechanism, and FIG. 10 is the second handrail reversing mechanism.
It is sectional drawing which shows a 3rd handrail reversing mechanism and an auxiliary handrail reversing mechanism.

In order to achieve the above object, it is a condition that the handrail driving device main body 19 can be housed in a narrow space inside the skirt guard 20 and the deck cover 21. For a moving sidewalk with a long captain, as shown in FIG.
Will be dealt with by arranging a plurality of them.

According to the present invention, in order to store the speed reducer 27 with an electric motor for driving the handrail 1 in a narrow space, the return side handrail 1a is rotated by 180 degrees by the handrail reversing mechanism 2 before entering the handrail drive body 19. The lower space of the handrail 1a is enlarged by reversing it, and further, after passing through the handrail driving device main body 19, it is inverted again by 180 degrees and returned to the original to become the carrying side handrail 1b.

The tread belt 4 is interposed on a drive pulley 5 provided at one end of a moving sidewalk frame 14, and the drive pulley 5 is coaxial with a chain wheel (sprocket wheel) 18
Is driven by the electric motor / speed reducer 7 via the chain 8 to drive the tread belt 4 in an endless movement type. As for the tread belt 4, the upper part is the carrying tread belt.
4a, the lower side 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 a support roller 25 at the bottom of the frame 14. 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 back rail interposed between a plurality of guide rollers 12 arranged in a semicircle shape at both ends of a balustrade panel 13 made of a transparent plate, and a handrail drive device main body 19 drives the tread belt 4. It is designed to be driven by an endless mobile system by receiving force. The lower part of the handrail 1 is a return side handrail 1a, and the upper part is a carrying side handrail 1b.

In the handrail 1a on the return side, the handrail reversing mechanism 2 inverts 180 degrees between the inlet 9a and the first drive unit body 19a (1d is the reversing portion), and between the last drive unit body 19b and the inlet 9b. It is designed to be inverted 180 degrees again (1d is the inversion part). The drive device main body 19 is
Depending on the length of the moving sidewalk as shown in Fig. 1, 1 in the middle
Through multiple locations. In this embodiment, the first drive unit main body 19a and the last drive unit main 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, handrail inlets 9a and 9b are provided for the purpose of preventing danger. A handrail reversing mechanism 2 for reversing the handrail 1a by 180 degrees and then reversing it by 180 degrees is provided between the inlets 9a, 9b.

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 unit 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.

As shown in FIG. 9, the first reversing mechanism 2a is provided with the handrail pressing roller 3 below and the receiving roller 22 above. As shown in FIG. 10, the second reversing mechanism 2b is
The return handrail 1a is provided downstream of the first reversing mechanism 2a and between the first reversing mechanism 2a and the second reversing mechanism 2b.
In order to invert 180 degrees, the handrail pressing roller 3 is provided on the upper side and the receiving roller 22 is provided on the lower side.

The third reversing mechanism 2d, as shown in FIG.
The handrail pressing roller 3 is provided above and the receiving roller 22 is provided below. 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. 9, the handrail pressing roller 3 is provided on the lower side and the receiving roller 22 is provided on the upper side. Further, a plurality of auxiliary handrail reversing mechanisms 2c are provided between the drive device main body 19a and the main body 19b. It is provided. Auxiliary inversion mechanism
2c is, as shown in FIG. 10, a second and a third reversing mechanism 2b, 2d.
Similarly, 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.

Although not shown, the handrail reversing mechanism 2 (2a, 2b, 2c, 2d, 2e) is not provided in the device of the present invention,
The return-side handrail 1a may be formed as it is, that is, so as to enter the handrail drive device main body 19 without being turned upside down. If the reversing mechanism 2 is not provided, the handrail 1 remains unreversed,
It will pass through each of the drive device main bodies 19. According to this, the structure of the moving handrail drive device of the belt type moving sidewalk becomes simpler. However, since the front side of the handrail comes into contact with the driving roller, the front side is easily damaged, and the aesthetic retention period of the handrail and the life of the handrail are shortened as compared with the case where the handrail reversing mechanism is provided.

In the main body 19 of the handrail drive device, a speed reducer 27 with an electric motor is provided below the return side handrail 1a. The motor-equipped speed reducer 27 is installed on a bracket 50 fixed to a frame 14 of a sidewalk that moves in a space below the return-side handrail 1a. A sprocket wheel 41 is attached to the output shaft of the speed reducer 27 with an electric motor. The sprocket wheel 41 is provided with a single row of sprockets (chain connecting portion).

On the lower surface of the return-side handrail 1a, which is turned 180 degrees on the return side after passing through the inlet 9a from the carrying side, two drive rollers 29 are arranged in series in the longitudinal direction of the moving sidewalk (left-right direction in FIG. 8). (See FIGS. 1 and 8). Drive roller 29
Each of these is in contact with the back side of the return handrail 1a. Further, each of the drive rollers 29 is attached to one side of a drive roller shaft 28 which is rotatably supported (that is, rotatably supported) by a bearing unit 43 of a steel fixed frame 30. A two-row sprocket wheel 44 having two rows of inner and outer sprockets is attached to the other side of each drive roller shaft 28. The two-row sprocket wheel 44 is also arranged in series in the longitudinal direction together with the sprocket wheel 41. The fixed frame 30 is fixed to the frame 14 of the moving walkway.

The sprocket wheel 41 and the sprocket on the inner side of the adjacent two-row sprocket wheel 44a are wound around by an endless chain 42a. The outer sprocket of the two-row sprocket wheel 44a and the outer sprocket of the adjacent two-row sprocket wheel 44b are wound around by an endless chain 42b. In this way, the two-row sprocket wheels 44a-44b are alternately staggered to form inner / inner / outer / outer sprockets.
The power of 27 is smoothly and reliably transmitted to each drive roller 29, and the handrails on the return side are respectively placed on the rotating drive rollers 29.
1a can be conducted.

The drive roller 29 has an elastic body (for example, urethane rubber) having a large friction coefficient and a small wear on the outer periphery thereof.
Are covered by. In this embodiment, the drive roller
Although the 29 and two-row sprocket wheels 44 are arranged in series and the number is two, the number is not limited to the above number.
Any number from 2 to 4 is suitable. Three
When providing more than one piece, the intangible chains 42 are alternately connected in a staggered manner.

As shown in FIGS. 7 and 8, the fixed frame 30
Is a two-row sprocket wheel 44 at both ends in the longitudinal direction of the moving sidewalk and in the width direction (vertical direction in FIG. 7) at that position.
On the side, guide rods 36, 36 are vertically provided to vertically pass through the fixed frame 30. The upper portion of each guide rod 36 projects above the fixed frame 30.

Further, the fixed frame 30 has a guide rod 36 in the widthwise direction at the intermediate portion in the longitudinal direction and at that position.
A support 31 is vertically provided to vertically pass through the fixed frame 30 while being eccentric to the presser roller 32 side with respect to the core. The upper portion of the pillar 31 projects above the fixed frame 30.

On the two guide rods 36 and the columns 31 on the fixed frame 30, a loose insertion frame 35 having a square cross section made of square steel pipe is loosely supported so as to be vertically movable. The hole diameter of the portion of the loose insertion frame 35 into which the guide rod 36 is inserted is slightly larger than the diameter of the guide rod 36 so that the loose insertion frame 35 can slide up and down. Free insertion frame 35
A spring 40 is inserted in the upper end portion of the column 31 protruding further upward. At the top of the post 31 above the spring 40 is a nut
37 is screwed, the upper end of the spring 40 is pressed by the nut 37 and compressed, and the free insertion frame 35 is pressed downward, thus forming a depressing mechanism. It is preferable to use the spring for the pushing-down mechanism. Furthermore, between the loose insertion frame 35 and the fixed frame 30, the loose insertion frame
A collar 38 that supports (35) at its lower side is fitted in each of the guide rods 36, 36. Color 38 is loose insertion frame 35
It functions as a spacer that provides a predetermined gap between the fixed frame 30 and the fixed frame 30. Free insertion frame provided in this way
A pressing roller shaft 33 is pivotally supported by the pressing roller shaft 35, and the pressing roller shaft 33 rotatably supports the pressing roller 32.

As described above, in the present invention, the support column 31 is eccentrically provided on the pressing roller 32 side with respect to the guide core of the guide rod 36, and the guide rod 36 between the loose insertion frame 35 and the fixed frame 30 is provided. Since the spacer 38 is fitted in, the loose insertion frame 35 pressed downward by the spring 40 always maintains a parallel state, and the pressing roller shaft 33 and the drive roller shaft 28 are always maintained in parallel. Therefore, when the front side and the back side of the return side handrail 1a are squeezed between the press roller 32 and the drive roller 29 to travel, the front side of the return side handrail 1a (the back side if there is no reversing mechanism) is contacted by the pressing force of the spring 40. Each of the pressing rollers 32 to be pressed can clamp the surface of the return side handrail 1a against the driving roller 29 in an appropriate state, and the pressing roller 32 is in contact with the handrail 1a in a substantially parallel state almost entirely. , Sufficient handrail driving force is obtained and the handrail surface is not damaged. In the present embodiment, the number of columns is one and the number of guide rods is two, but the number is not limited to this.

The return side handrail 1a is pinched and conveyed in a direction opposite to the traveling direction of the carrying side step belt 4a. This return side handrail 1a is located inside the skirt guard 20 below the balustrade panel 13, and the carrying side handrail 1 above the balustrade panel moves in the same direction as the carrying side step belt 4a.

The handrail drive device main body 19 according to the present invention can be downsized, and the skirt guard 20 in the handrail drive device main body 19 can be used for maintenance, inspection and repair.
It has an advantage that it can be easily performed by removing the deck cover 21.

Further, since the transfer movement of the handrail 1 is generated by the power source of the controllable motor-equipped speed reducer 27 of the drive unit main body 19, the speed of the handrail 1 can be easily synchronized with the speed of the tread belt 4. Also, it is preferable in terms of safety measures.

The inventors of the present invention conducted various endurance tests as comparative examples in developing the belt-type moving handrail drive device for moving walkways of the present invention, and found the following problems. 13 to 18 are drawings showing the structure of an apparatus for carrying out a comparative example. As shown in FIGS. 13 to 18, in the comparative example, a drive roller 29 attached to a drive roller shaft 28 pivotally supported by a fixed frame 30 of a handrail drive device fixed to a frame 14 of a moving walkway, and a fixed roller It was attached to a presser roller shaft 33 that is supported in parallel with the drive roller shaft 28 of the drive roller 29 on a free insertion frame 35 that vertically slides a guide rod 36 that vertically penetrates the frame 30. The pressing roller 32 is provided, and the return side handrail 1a is clamped and driven by the drive roller shaft 29 and the pressing roller 32 from above and below, but the spring 40 for pressing the free insertion frame 35 is inserted vertically. Columns 31, 31 and guide rods 36,
As shown in FIG. 15, 36 are arranged in a straight line in the longitudinal direction.

However, in such a structure, the hole diameter of the portion of the loose insertion frame 35 into which the guide rod 36 is inserted is
Since it is slightly larger than the diameter of the guide rod 36 so that it can slide up and down, when downward force is applied to the free insertion frame 35 by the spring 40, the clearance between the diameter of the guide rod 36 and the hole diameter of the free insertion frame 35 is increased. As a result, the pressing roller shaft 33 inclines in one direction from the state shown in FIG. 17, and the pressing roller 32 comes into partial contact with the handrail 1a in an unbalanced manner, and a sufficient handrail driving force can be obtained. At the same time, it caused problems such as scratching the surface of the handrail.

According to the apparatus of the present invention, as described above, since the loose insertion frame 35 is held in the parallel state and is pressed downward, the pressing roller shaft 33 and the driving roller shaft 28 are held in parallel, The pressing roller 32 contacts almost the entire surface of the handrail 1a in parallel with the surface of the handrail 1a, and the above problem is solved.

[0039]

As described above, according to the moving handrail drive device of the present invention, the following industrially useful effects are brought about. (1) The conventional type handrail drive shown in Fig. 11 has a drive wheel.
Although the handrail 1 is wound around 62 and the handrail is run by the friction, it is necessary to give a large tension to the handrail so that the handrail does not slip. If the length of the moving walkway is long or the height difference is large, the tension applied to the handrail will be too large and will exceed the allowable limit of the handrail.Therefore, a long walkway or a high lift moving walkway cannot be manufactured due to the handrail strength. It will be. On the other hand, according to the present invention, since the handrail driving device main body does not apply a large tension to the handrail, there is no limitation due to the strength of the handrail on a moving sidewalk of long length and high head. Further, as described above, since it is not necessary to apply a large tension to the handrail by the handrail drive device main body, the life of the handrail can be extended accordingly. (2) It is possible to manufacture a moving walkway with an all-transparent balustrade panel that suits the trend of modern fashion and upscale, and the handrail is driven reliably at the same speed as the step belt, and maintenance and inspection is easy. Can be carried out. (3) The handrail reversing mechanism does not damage the front side of the handrail and keeps its aesthetic appearance for a long time, extending the life of the handrail. (4) Conventional type The moving handrail driving device of FIG. 11 has a structure in which the handrail driving sprocket is attached to the outside of the driving sprocket of the step belt pulley shaft, and thus the machine width of the moving sidewalk is determined by the present invention. According to this, because it can be installed independently at any position in the middle of the moving sidewalk,
It is possible to reduce the machine width. (5) Since the driving roller shaft and the pressing roller shaft are parallel to each other, the contact surfaces of the pressing roller, the handrail and the driving roller are uniform, and a large driving force can be obtained. (6) Since the uneven contact is eliminated, it is possible to prevent the handrail surface from being scratched.

[Brief description of drawings]

FIG. 1 is a side view showing an embodiment of a belt-type 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 showing details of a main part of FIG.

FIG. 6 is an enlarged cross-sectional view taken along the line FF of FIG.

FIG. 7 is a view taken along the line DD of FIGS. 5 and 6;

FIG. 8 is a view taken along the line EE of FIGS. 5 and 6;

FIG. 9 is a cross-sectional view showing first and fourth handrail reversing mechanisms.

FIG. 10 is a cross-sectional view showing second, third and auxiliary handrail reversing mechanisms.

FIG. 11 is a side view showing a belt-type moving walkway provided with a conventional moving handrail drive device.

FIG. 12 is a partial side view showing a handrail driving device for an escalator in which a conventional balustrade panel is transparent.

FIG. 13 is a cross-sectional view of a moving handrail driving device for a belt-type moving walkway implemented in a comparative example.

FIG. 14 is a cross-sectional view of a moving handrail driving device for a belt-type moving walkway implemented in a comparative example.

15 is a view taken along the line DD of FIGS. 13 and 14. FIG.

16 is a view taken along the line EE of FIGS. 13 and 14. FIG.

FIG. 17 is an enlarged cross-sectional view of the main parts of FIG.

FIG. 18 is a view showing a state where pressure is applied to the handrail.
3 is an enlarged cross-sectional view of a main part of FIG.

[Explanation of symbols]

1 handrail (handrail) 1a Return handrail 1b Carrying handrail 1c Handrail curved part 1d handrail reversing part 2 Handrail inversion mechanism 2a 1st handrail reversing mechanism 2b Second handrail reversing mechanism 2c Auxiliary handrail reversing mechanism 2d Third handrail reversing mechanism 2e 4th 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 6,8,17 chain 9,9a, 9b Handrail inlet 12 Guide roller 13 transparent balustrade panel 14 moving sidewalk frames 144 truss frame 15 drive wheel 18 sprocket wheel 19 Handrail drive main unit 19a First handrail drive unit body 19b Last handrail drive body 20 Skirt guard 21 deck cover 22 Receiver roller 23,25 Belt support roller 26 Meandering prevention roller 27 Reducer with electric motor 28 Drive roller shaft 29 Drive roller 30 fixed frame 31 prop 32 Presser roller 33 Presser roller shaft 35 loose insertion frame 36 guide rod 37 nuts 38 color (spacer) 40 spring 41 single row sprocket wheel 42 endless chain 43 Flange type bearing unit 44 2 row sprocket wheel 50 Reducer mounting bracket 51 pedestal 52 pieces 61 opaque balustrade panel 62 drive wheel 63 Driven wheel 68 Return roller on the handrail 69 tension device

Claims (2)

(57) [Claims] 1. A speed reducer (27) with an electric motor, which is provided below a handrail (1a) on the return side, which is turned 180 degrees on the return side that passes through the inlet (9a) from the carrying side, and the speed reducer (2) with the electric motor.
Sprocket wheel (41) mounted on the output shaft of 7)
And arranged in series on the lower surface of the return side handrail (1a),
Fixed frame that contacts the back side of the return handrail (1a)
A plurality of drive rollers (2) mounted on one side of the drive roller shaft (28) supported by the bearing unit (43) of (30).
9), a plurality of two-row sprocket wheels (44) attached to the other side of the drive roller shaft (28) and having two rows of sprockets inside and outside, and the speed reducer with an electric motor (27). An endless chain (42) wound between the sprocket wheel (41) and the two-row sprocket wheel (44) for transmitting power to the drive roller (29)
And the return handrail (1a) on the upper surface of the return handrail (1a).
a) a plurality of pressing rollers (32) arranged in series, which are in contact with the front side, and a guide rod (3) vertically provided on the fixed frame (30).
6), a column (31) vertically provided on the fixed frame (30) with the guide rod (36) being eccentric to the pressing roller (32) side with respect to the core, and the guide rod (36 ) And the pressing roller movably inserted vertically into the column (31).
(32) provided on the support frame (31) for pressing the free insertion frame (35) and the free insertion frame (35) made of a square steel tube that pivotally supports the pressing roller shaft (33). A push-down mechanism (40),
A spacer (38) fitted between the free insertion frame (35) and the fixed frame (30) and fitted in the guide rod (36) for supporting the free insertion frame (35) under the spacer (38). The endless chain (42) includes the sprocket wheel (41) and the adjacent two-row sprocket wheel (44).
Sprocket inside (or outside) of
Furthermore, the adjacent two-row sprocket wheels (44)
The sprocket on the outer side and the outer side (or the inner side and the inner side) is wound around each other, and the sprocket on the inner side and the inner side (or the outer side and the outer side) is sprocketed between the adjacent two-row sprocket wheels (44). The pressing roller (32) is wound around each other, and thereafter, is alternately wound outside and outside and inside and inside.
(40) by the drive roller (29) between the drive side of the return side handrail (1a) the driving device main body (19) which is squeezed and run, and the return side handrail (1a) Handrail reversing mechanism for reversing 180 degrees before entering the device body (19) and reversing 180 degrees after exiting from the drive device body (19).
(2) A moving handrail driving device for a belt-type moving walkway, which is composed of 2. A speed reducer with an electric motor (2) provided below the handrail (1a) on the return side that has passed through the inlet (9a) from the carrying side.
7), a sprocket wheel (41) attached to the output shaft of the motored reduction gear (27), and the return handrail (1
The bearing unit (43) of the fixed frame (30), which is arranged in series on the lower surface of (a) and comes into contact with the front side of the return side handrail (1a).
A plurality of drive rollers (29) mounted on one side of the drive roller shaft (28) supported by
A plurality of two-row sprocket wheels mounted on the other side of (28) and having sprockets in two rows inside and outside
(44) and the sprocket wheel (4) for transmitting the power of the reduction gear with electric motor (27) to the drive roller (29).
1) and the endless chain (42) wound around the two-row sprocket wheels (44), and the return side handrail (1a)
A plurality of pressing rollers (32) arranged in series, which come into contact with the back side of the return side handrail (1a) on the upper surface of the guide rail (3) which is vertically provided on the fixed frame (30).
6), a column (31) vertically provided on the fixed frame (30) with the guide rod (36) being eccentric to the pressing roller (32) side with respect to the core, and the guide rod (36 ) And the pressing roller movably inserted vertically into the column (31).
(32) provided on the support frame (31) for pressing the free insertion frame (35) and the free insertion frame (35) made of a square steel tube that pivotally supports the pressing roller shaft (33). A push-down mechanism (40),
A spacer (38) fitted between the free insertion frame (35) and the fixed frame (30) and fitted in the guide rod (36) for supporting the free insertion frame (35) under the spacer (38). The endless chain (42) is wound around the sprocket wheel (41) and the sprocket inside (or outside) the two-row sprocket wheel (44) adjacent to the sprocket wheel (41), and further, the adjacent two-row sprocket wheels (44). ) Between each other, the sprocket on the outside and the outside (or the inside and the inside) are hung around each other, and then the two adjacent
Between the row sprocket wheels (44), the inner and inner (or outer and outer) sprockets are hung on each other, and thereafter, the sprocket is alternately hung on the outer side, the outer side, and the inner side. 32) is the pressing mechanism (4
The moving handrail drive device for a belt-type moving walkway, characterized in that the back side of the return side handrail (1a) is squeezed between the drive roller (29) and the driving roller (29) so as to run.