CN1215964C

CN1215964C - Passenger lift device

Info

Publication number: CN1215964C
Application number: CN 02146923
Authority: CN
Inventors: 斋藤忠一; 小岛和平
Original assignee: Hitachi Ltd
Current assignee: Hitachi Ltd
Priority date: 2001-10-23
Filing date: 2002-10-22
Publication date: 2005-08-24
Anticipated expiration: 2022-10-22
Also published as: JP3922526B2; CN1413902A; JP2003128374A

Abstract

To provide a passenger conveyer hardly damaging the tread cleat even if foreign matters enter a meshing part of a step with a comb tooth. The passenger conveyer is provided with a means (a projecting part 32b) for producing a gap smaller than that between a treat cleat (31) and a comb tooth (14). This passenger conveyer has a plurality of step treads (3) endlessly connected to circulate between the boarding and alighting floors at both end parts, the tread cleat (31) having a number of projecting parts (31A) and recessed grove parts (31B) elongated in the advancing direction in the cross direction of the tread (3), an end cleat (32) having the same section as the tread cleat (31) at the end in the advancing direction of the step tread (3), and the comb tooth (14) provided at the tip of the boarding and alighting floor to mesh with the plurality of tread cleats (31) at a space between them.

Description

Device of passenger conveyor

Technical field

The present invention relates to comprise the device of passenger conveyor of escalator and moving sidewalk, particularly a kind of long tread plate is formed on the device of passenger conveyor of the pedal surface on the moving direction.

Background technology

Usually, in device of passenger conveyor such as escalator, with regard to the pedal that forms the pedal surface of standing for the passenger, on the pedal surface of the molded formation of ripple of, the die casting by aluminum alloy described and stainless steel sheet, install and have parallel, the bossing evenly spaced, that alternately form and the pedal surface tread plate of slot at (for example) Japanese publication patent disclosure 2001-89057.In addition, the end tread plate made from synthetic resin is installed, they extend beyond one of the front-end and back-end of pedal surface or both along moving direction at the Width of pedal surface.The end tread plate with have the color of remarkable prompting effect, such as yellow coloring, and use than aluminium and the more resilient synthetic resin of corrosion-resistant steel.

On the other hand, at the two ends longitudinally of above-mentioned device of passenger conveyor, installation arrives and leaves the arrival of pedal and leave flooring for the passenger, and provides a comb in the forward end that arrives and leave flooring.The tooth edge of comb inserts in the slot of each tread plate, and on the contrary, the bottom of comb is inserted at the top of tread plate, and comb and tread plate are installed into by very little gap and work in coordination.

Have in the pedal of said structure, when entering the mating part between comb and the pedal surface tread plate when foreign material, such as handstone, will produce a problem, promptly the pedal surface tread plate is damaged or is out of shape.The damage of pedal surface tread plate and distortion comprise passenger's toe cap or the risk that finger tip enters comb or the collision of pedal surface tread plate and comb, and their recovery needs a large amount of time and expense, therefore, this is a big problem aspect maintenance, thereby needs a scheme that solves it.

Summary of the invention

The present invention's attempt provides a kind of device of passenger conveyor, even foreign material enter comb, it also can reduce the damage and the distortion of pedal surface tread plate.

According to the present invention, to achieve these goals, has a circulation bonded assembly a kind of, the arrival of at both ends and leaving between the flooring in the device of passenger conveyor of many pedals that circulation moves, the pedal surface tread plate has in the Width of pedal, many bossings and slot along the moving direction extension, the end tread plate has the cross section identical with the cross section of pedal surface tread plate and in the end of pedal moving direction, cooperate with many pedal surface tread plates and have the gap and be installed in the comb that arrives and leave flooring forward end place, and the device that is used for forming the gap littler than the gap between pedal surface tread plate and the comb is arranged on the tread plate of end.

By using said structure, when foreign material enter comb, with before the pedal surface tread plate contacts, foreign material with contact with plastic end tread plate, like this, when foreign material pass mating part between end tread plate and the comb, the crushed or compression of foreign material, and the pedal surface tread plate can not damage.

Brief description of drawings

Fig. 1 is near the summary side elevation an escalator top, has shown one embodiment of the invention;

Fig. 2 is the back view of the single pedal among Fig. 1;

Fig. 3 is the cutaway view along the A-A line among Fig. 2;

Fig. 4 is the scheme drawing of combination of the enlarged drawing of the mating part of comb and the main portion among Fig. 3;

Fig. 5 is the cutaway view along the B-B line among Fig. 4.

Summary of the invention

Introduce embodiments of the invention below with reference to the accompanying drawings.

Fig. 1 is near the summary side elevation an escalator top, has shown one embodiment of the invention; Fig. 2 is the back view of the single pedal among Fig. 1; Fig. 3 is the cutaway view along the A-A line among Fig. 2; Fig. 4 is the scheme drawing of combination of the enlarged drawing of the mating part of comb and the main portion among Fig. 3; And Fig. 5 is the cutaway view along the B-B line among Fig. 4.

In the accompanying drawings, escalator 1 is installed into from lower floor's flooring (not shown) and extends to upper floor F, it is to move the system that body transmits the passenger by two, and moving body comprises and being connected with cycle pedals chain 2 and mobile many pedals 3 and with the synchronization-moving handrail 4 of pedal.In addition, two moving bodys are installed into by the rotation of the drive wheel 10 of an actuating device 8 and by driving chain 9 and are driven, and be directed respectively by a guide rail 11 and a parapet 12 and move, and actuating device 8 comprises electrical motor 6 and the retarder 7 that rotates by the electricity instruction that is installed in the controller 5 in the machine room K.

In addition, pedal 3 has pedal surface tread plate 31 at least, end tread plate 32, end tread plate 33 and

side tread plate

34 and 35, wherein, pedal surface tread plate 31 has many bossing 31A that replace and slot 31B, be connected with the end of pedal surface tread plate 31 and have many bossing 32A that replace and a slot 32B at the end tread plate 32 with W1 width of front end, the end tread plate 33 with W2 width in the rear end also is connected with the end of pedal surface tread plate 31 and has many bossing 33A that replace and a slot 33B, and the

side tread plate

34 and 35 with W3 width is in the both sides of pedal surface tread plate 31, and their form the pedal surface that moves.In addition, in order to prevent that the shoes tip is close and to be clipped in the gap of each pedal 3 periphery,

end tread plate

32 and 33 and

side tread plate

34 and 35 adopts synthetic resin, such as polycarbonate and suitably coat color, such as yellow, so that point out and provide elasticity, and easily shoes are extracted out when being clamped at the shoes tip, these tread plates are being fixed on the pedal surface tread plate 31 with the machine screw (not shown) under the detouchable situation.

In addition, the rear end 31C bonded assembly pedal 3 of their end and pedal surface tread plate 31 have downward extension, radius of curvature be R bossing 36A back riser 36 and a pair of almost be leg-of-mutton bearing support 37, bearing support 37 is at the two supports pedal surface tread plate 31 and the back riser 36 of the Width of pedal.Also have, the lower end 36B of the front end 31D of pedal surface tread plate 31 and back riser 36, be that the front end 37A and the rear end 37B of bearing support 37 has front-wheel 38 and trailing wheel 39, they are respectively by main shaft 38A and main shaft 39A supporting, and front-wheel 38 and trailing wheel 39 move along guide rail 11, and turn to (Fig. 1) when arriving and leaving flooring 13.

In addition, the structure of pedal 3 also comprises, constitute pedal surface, many bossing 31A, 32A and 33A, and

many slot

31B, 32B and 33B and

side tread plate

34 and 35 be fixed on the many teeth edge 14A that arrives and leave the comb 14 of flooring 13 front ends and cooperate, thereby with minimize degree and prevent that passenger's shoes tip or the person's of falling finger tip from entering wherein of tolerance clearance.In addition, select purpose identical with the material of end tread plate 32, comb 14 adopts synthetic resin, and it is preferable aspect painted and elasticity, and is utilizing the machine screw (not shown) to be fixed on arrival under the detouchable situation and leaving on the flooring 13.

Like this; with regard to regard to the pedal 3 of the main portion of device of passenger conveyor of the present invention; in order to prevent that foreign material from entering pedal surface tread plate 31 and being installed in the

end tread plate

32 and 33 and arrive and leave between the comb 14 of flooring 13 of its front-end and back-end, with adopt below will introduce, at the safety method of pedal surface tread plate 31.

That is, shown in the enlarged drawing of Fig. 4, compare with gap S2 between the upper surface 32a of the bossing 32A of the bottom 14B of comb 14 and end tread plate 32, the gap S1 that highly forms by the outstanding 32b that is formed on the bossing 32A is narrower.That is, it is less than the upper surface 31a of pedal surface tread plate 31 and the gap between the comb 14.

Therefore, enter as foreign material X, such as handstone when direction of arrow M moves, passes the pedal 3 of comb 14 and the gap S1 between the comb 14, foreign material X is highlighted 32b crushing or compression, passes comb 14, falls into machine room K.Like this, the influence of foreign material X can not act on the upper surface 31a, and pedal surface tread plate 31 itself is avoided external action.In addition, when foreign material X is big and hard when destroying the degree of giving prominence to 32b, end tread plate 32 or comb 14 will be replaced as expendable part.Yet,, avoided as the main portion of pedal 3 and the damage and the distortion of the pedal surface tread plate 31 that is difficult to repair even in this case.

In addition, according to the present invention, the gap S5 between the tooth edge 14A of the bottom 32c of the slot 32B of end tread plate 32 and comb 14 is less than the bottom 31b of the slot 31B of pedal surface tread plate 31 and the gap S6 between the tooth edge 14A.Therefore, enter as foreign material Y, such as handstone when arrow M direction moves and pass the pedal 3 of comb 14 and the gap S5 between the comb tooth edge 14A, foreign material Y is crushed by bottom 32c or compresses, and passes comb 14, and falls into machine room K.Like this, the influence of foreign material Y can not act on the 31b of bottom, and pedal surface tread plate 31 itself is avoided external action.In addition, when foreign material Y is big and hard bottom destroying during the degree of 32c or comb 14, end tread plate 32 or comb 14 will be replaced as expendable part.Yet,, avoided as the main portion of pedal 3 and the damage and the distortion of the pedal surface tread plate 31 that is difficult to repair even in this case.

In addition, according to the present invention as shown in Figure 5, the gap S3 between the side 14C at the tooth edge of the side 32d of the slot 32B of end tread plate 32 and comb 14 is less than the gap S4 between the side 14C at the side 31c of the slot 31B of pedal surface tread plate 31 and tooth edge.Therefore, enter as foreign material Z, such as handstone when direction of arrow M (Fig. 4) moves, passes gap S3 between the side 14C at tooth edge of the side 32d of slot 32B of end tread plate 32 of comb 14 and comb 14, foreign material Z is crushed by side 32d or is compressed by bottom 31c, pass comb 14, and fall into machine room K.Like this, the influence of foreign material Z can not act on the 31c of side, and pedal surface tread plate 31 itself is avoided external action.

In addition, when the big and hard degree to destruction side 31c or tooth edge 14A of foreign material Z, end tread plate 32 or comb 14 will be replaced as expendable part.Yet,, avoided as the main portion of pedal 3 and the damage and the distortion of the pedal surface tread plate 31 that is difficult to repair even in this case.

By using the described structure of Fig. 1 to 5; when foreign material X, Y or Z enter comb 14; pedal surface tread plate 31 is subjected to special protection by end tread plate 32 with the metal manufacturing; like this, this structure has played and has eliminated because the damage of difficulty aspect maintenance that time and expense cause and the stability that influences the passenger and the effect of distortion.

In addition, position and the relation between the level error shown in Figure 4 and 5, between pedal surface tread plate 31 and the end tread plate 32 can in statu quo be applied to end tread plate 33, prevent the effect that effect is identical thereby produce with above-mentioned damage and distortion.

In addition, the said structure that relates to pedal 3 of the present invention can in statu quo be applied to be similar to the pedal on the moving sidewalk that moves of escalator 1, and pedal surface tread plate 31 can produce identical effect with 41, and with irrelevant such as materials such as aluminum alloy or corrosion-resistant steels.

In addition, in the foregoing description, shown upper surface, side and bottom gapped be less example.Yet if use any in them, this is a kind of also should to be included in the present invention.

As mentioned above, the present invention can provide a kind of device of passenger conveyor, and it has a kind of structure, and when foreign material entered mating part between pedal and the comb, the pedal surface tread plate can damage hardly.

Claims

1. device of passenger conveyor, this device has the arrival of circulation bonded assembly and at both ends and leaves many pedals that circulation is moved between the flooring, in the Width of described pedal, have at the many bossings of moving direction extension and the pedal surface tread plate of slot, have with the cross section same cross-sectional of described pedal tread plate, at the end tread plate at the place, end of the described moving direction of described pedal, and be installed in described arrival and leave on the forward end of flooring, cooperate and have the comb in gap with described many pedal tread plates; It is characterized in that this device also is included in the device in the gap littler than the gap between described pedal surface tread plate and the described comb of formation between described end tread plate and the described comb.

2. device of passenger conveyor as claimed in claim 1 is characterized in that, the less described device in described gap that forms with described comb is formed at least one of described upper surface, side and slot of described end tread plate.

3. device of passenger conveyor as claimed in claim 1 or 2 is characterized in that, making the little described device in described gap that forms with described comb is a lip-deep projection piece that is formed at described end tread plate.

4. device of passenger conveyor as claimed in claim 3 is characterized in that, described projection piece is by many outstanding compositions.