JP6184572B1 - Passenger conveyor and its mounting method - Google Patents

Abstract

A passenger conveyor capable of attaching pins to a base without welding on site is described. A support angle 72 mounted on an anchor plate 78, a bush mounting hole 98 provided at a predetermined position of the support angle 72, an outer base 86 provided on an upper surface of the anchor plate 78, and an outer base 86, an inner recess 88 formed inside 86, an inner base 90 accommodated in the recess 88, a pin hole 124 provided at a predetermined position of the inner base 90, and a bush mounting hole 98 of the support angle 72. The cylindrical bush 106 disposed on the upper surface of the inner base 90, the shaft hole 108 provided in the axial direction of the bush 106, and the shaft hole 108 are inserted into the pin hole 124 of the inner base 90. Pin 126. [Selection] FIG.

Description

  Embodiments of the present invention relate to a passenger conveyor and its mounting method.

  When a passenger conveyor such as an escalator or a moving sidewalk is attached to the building, a housing or a receiving beam is provided in the building, and a support angle of the truss of the passenger conveyor is bridged on the mounting surface of the housing or the receiving beam.

Japanese Patent No. 5784229

  In the passenger conveyor as described above, the support angle on the lower floor side is a structure in which an anchor plate attached to the housing is fixed by a pin. Therefore, since the plate-like base into which this pin is inserted differs in the building to which the passenger conveyor is attached, the base is welded to the anchor plate in the field. However, the base welding work at the site is troublesome for the operator, and there is a problem that the work cannot be performed at a site where the use of fire is restricted.

  In view of the above problems, an embodiment of the present invention describes a passenger conveyor that can attach pins to a base without performing welding on site and a method for attaching the passenger conveyor.

  An embodiment of the present invention includes a truss, a frame provided in a building, or a plate-like anchor plate placed on a placing surface of a receiving beam, provided at an end of the truss, A support angle placed on top, a bush mounting hole provided at a predetermined position of the support angle, a plate-like outer base provided on an upper surface of the anchor plate, and an inner side of the outer base. A storage recess, a plate-shaped inner base stored in the storage recess, a pin hole provided at a predetermined position of the inner base, and the bush mounting hole of the support angle, A cylindrical bush disposed on the upper surface; a shaft hole provided in the axial direction of the bush; and a pin housed in the shaft hole of the bush and inserted into the pin hole of the inner base. Ah .

Explanatory drawing seen from the side of the escalator of this embodiment. The perspective view of an anchor plate. The perspective view of an inner base. The perspective view of the state which mounted the support angle in the housing. The perspective view of a bush and a marking jig. The perspective view of the state which accommodated the marking jig in the bush. The perspective view of the state which is going to insert the bush which accommodated the marking jig in a bush attachment hole. The perspective view of the state which inserted the bush which accommodated the marking jig in the bush attachment hole. The perspective view of the state which attached the pressing plate to the bush. The perspective view of the state which has screwed the hexagon bolt in the pin opening part of the pressing plate. The longitudinal cross-sectional view of the front-back direction in FIG. The longitudinal cross-sectional view of the front-back direction of the state which further screwed the hexagon bolt in FIG. The perspective view of the state which has taken out the bush which accommodated the marking jig from the bush attachment hole. The perspective view of the state which jacked up the support angle and removed the inner base from the accommodation recessed part. The perspective view of the state which is going to remove the inner base from a storage recessed part. The perspective view of the state which opened the pin hole in the inner base. The longitudinal cross-sectional view of the state which opened the pin hole in the inner base. The perspective view of the state which inserted the bush which accommodated the pin in the bush attachment hole 98 of a support angle. The perspective view of the state which fixed the pressing plate on the bush. It is a longitudinal cross-sectional view of the front-back direction in FIG.

Hereinafter, the escalator 10 in an embodiment of the present invention will be described with reference to FIGS. 1 to 20.

(1) Escalator 10
The structure of the escalator 10 will be described with reference to FIG. FIG. 1 is an explanatory view of the escalator 10 as seen from the side.

  A truss 12 that is a framework of the escalator 10 is supported in the front-rear direction by support angles 70 and 72 across the upper-layer housing 2 and the lower-floor housing 2 of the building 1. This support structure will be described in detail later.

  Inside the upper floor machine room 14 at the upper end of the truss 12, a drive unit 18 for running the step 30, a pair of left and right main drive sprockets 24, 24, and a pair of left and right handrail drive sprockets 27, 27 are provided. ing. The drive device 18 stops and stops the rotation of the motor 20, the speed reducer, the output sprocket attached to the output shaft of the speed reducer, the drive chain 22 driven by the output sprocket, and the motor 20. And a disc brake for maintaining the state. The drive chain 22 rotates the pair of left and right main drive sprockets 24, 24. The pair of left and right main drive sprockets 24, 24 and the pair of left and right handrail drive sprockets 27, 27 are connected by a connecting belt (not shown) and rotate synchronously. A control unit 50 that controls the motor 20, the disc brake, and the like is provided inside the machine room 14 on the upper floor side.

  A pair of left and right driven sprockets 26 and 26 are provided in the lower floor machine room 16 at the lower end of the truss 12. Between the pair of left and right main drive sprockets 24, 24 on the upper floor side and the pair of left and right driven sprockets 26, 26, a pair of left and right endless step chains 28, 28 are suspended. A plurality of steps 30 are attached to the pair of left and right step chains 28, 28 at equal intervals. When the motor 20 rotates, the front wheel 301 of the step 30 travels on a guide rail (not shown) fixed to the truss 12, and the rear wheel 302 travels on the guide rail 25 fixed to the truss 12.

  On the left and right sides of the truss 12, a pair of left and right balustrades 36, 36 are erected. A handrail rail 39 is provided above the balustrade 36, and an endless handrail belt 38 moves along the handrail rail 39. A front skirt guard 40 on the upper floor side is provided in the lower front part on the upper floor side of the balustrade 36, and a front skirt guard 42 on the lower floor side is provided in the lower front part on the lower floor side. Inlet portions 46 and 48, which are entrances and exits of the handrail belt 38, protrude from each other.

  A skirt guard 44 is provided at the lower side of the balustrade 36, and the step 30 travels between the pair of left and right skirt guards 44, 44. Operation panels 52 and 56 and speakers 54 and 58 are provided on the inner side surfaces of the skirt guards 44 on the upper and lower floors, respectively.

The handrail belt 38 enters the front skirt guard 40 from the inlet 46 on the upper floor side, and is passed over the handrail drive sprocket 27 through the guide roller group 64, and then the skirt through the guide roller group 66. It moves in the guard 44 and appears outside the front skirt guard 42 from the inlet 48 on the lower floor side. The handrail belt 38 moves in synchronization with the step 30 as the handrail drive sprocket 27 rotates together with the main drive sprocket 24. Further, a pressing member 68 for pressing the handrail belt 38 that travels to the rotating handrail drive sprocket 27 is provided.

  An entrance / exit of a pair of left and right skirt guards 44, 44 on the upper floor side, and the upper floor side entrance / exit plate 32 is horizontally provided on the ceiling surface of the machine room 14. The lower floor side entrance / exit board 34 is provided on the ceiling surface of the machine room 16 and is provided horizontally. A comb-like comb 60 is provided at the front end of the upper floor board 32, and the step 30 enters the comb 60. A comb-like comb 62 is also provided at the tip of the lower floor board 34.

(2) Structure of housings 2 and 2 Next, the structure of the housing 2 will be described. As shown in FIG. 4, the above-described housings 2 and 2 are provided on the upper floor and the lower floor of the building 1 to support the escalator 10. The housing 2 is composed of a placing surface 3, a front wall 4, a left wall 5, and a right wall 6 that are made of reinforcing steel or concrete and are formed in a substantially horizontal state, and the upper surface and the rear surface are open.

(3) Support angles 70 and 72
Next, the support angle 72 on the lower floor side will be described. A support angle 72 is provided at the front end of the truss 12, that is, the end on the lower floor side. As shown in FIG. 4, the support angle 72 includes a vertical plate 74 and a horizontal plate 76 that protrudes horizontally forward from the upper end of the vertical plate 74, and the vertical plate 74 is located above the front end of the truss 12. It is fixed. The horizontal dimension of the horizontal plane 76 of the support angle 72 is formed to be slightly smaller than the horizontal dimension of the mounting surface 3 of the housing 2.

As shown in FIG. 1, a support angle 70 is provided at the front end portion of the truss 12, that is, at the end portion on the upper floor side. The support angle 70 is similarly composed of a vertical plate and a horizontal plate, and the vertical plate is fixed to the upper portion of the front end portion of the truss 12, that is, the upper portion of the end portion on the upper floor side.

As shown in FIG. 4, a bush mounting hole 98 is opened at the center of the support angle 72. Four screw holes 100 are opened in the outer peripheral portion of the bush mounting hole 98. Bolt holes 104 into which jackup bolts 102 and 102 are screwed are opened on both sides of the support angle 72.

(4) Anchor plate 78
Next, the anchor plate 78 on the lower floor side will be described with reference to FIGS. The anchor plate 78 is a rectangle having substantially the same shape as the placement surface 3. As shown in FIG. 2, fasteners 80 are welded in advance in the front-rear direction to the left and right sides of the anchor plate 78. The stopper 80 has a plate-like position determining portion 80b erected from the outer end portion of the plate-like leg portion 80a. In the factory, the leg portions 80a of the pair of left and right fasteners 80 are welded in advance to the left and right side portions of the upper surface of the anchor plate 78. The distance between the pair of left and right fasteners 80 is set to a dimension 3 to 5 mm larger than the dimension in the left and right direction of the support angle 72. As a result, as shown in FIG. 4, the support angle 72 placed between the pair of left and right fasteners 80, 80 does not move in the left-right direction.

As shown in FIG. 2, a mortar cover support member 84 for supporting the mortar cover is welded to the rear portion of the anchor plate 78 in the left-right direction in advance. The mortar cover is a cover for preventing the mortar from flowing into the support portion.

As shown in FIG. 2, a frame-shaped outer base 86 is welded to the center of the anchor plate 78. The outer base 86 is plate-shaped and has a rectangular storage recess 88 formed therein.

As shown in FIG. 3, a plate-shaped rectangular inner base 90 is stored in the storage recess 88. Each corner portion of the inner base 90 through screw holes 92, as shown in FIG. 7, is fixed to the housing recess 88 by screws 94. A removal screw hole 96 passes through the center of the left and right sides of the inner base 90.

(5) Installation process of truss 12 Next, a process in which an operator attaches the support angle 72 of the truss 12 to the housing 2 on the lower floor side will be described in order with reference to FIGS.

(First step)
In the first step, one or a plurality of rectangular plate-shaped lower shims 77 having bolt holes opened are placed on the placement surface 3 of the lower-side housing 2 (see FIG. 12). There are two purposes for placing the lower shim 77. The first purpose is to adjust the height of the support angle 72, and the second purpose is to place the placement surface 3 horizontally.

(Second step)
In the second step, a plate-shaped anchor plate 78 is placed on the plurality of lower shims 77 (see FIG. 12 ). Then, as shown in FIG. 4 , the operator fixes the anchor plate 78 to the mounting surface 3 of the housing 2 with a plurality of lower shims 77 sandwiched therebetween.

(Third step)
In the third step, as shown in FIG. 4, the pair of left and right height adjusting members 82 are placed on the upper surface of the anchor plate 78 between the pair of left and right metal fittings 80, 80.

(4th process)
In the fourth step, as shown in FIG. 4, the horizontal surface 76 of the support angle 72 of the truss 12 is placed above the pair of left and right fasteners 80 and placed on the pair of left and right height adjustment plates 82. In this state, the operator checks whether the left and right direction of the support angle 72 is horizontal, and whether it is adjusted to the required height. If not, or if the height is not enough If not, an operation of sandwiching the upper shim between the height adjusting plate 82 and the horizontal plane 76 is performed.

(5th process)
In the fifth step, as shown in FIGS. 5 and 6, a marking jig 110, which is a positioning jig, is stored in the shaft hole 108 of the metal cylindrical bush 106. The marking jig 110 has a cylindrical shape, and a lower portion has a conical projection so that marking can be performed.

(Sixth step)
In the sixth step, the bush 106 having the marking jig 110 is inserted into the bush mounting hole 98 of the support angle 72 as shown in FIGS.

(Seventh step)
In the seventh step, as shown in FIG. 8, the upper surface of the bush 106 protrudes from the support angle 72, so as shown in FIG. 9, a predetermined number of donut-shaped presser shims 112 are stacked to be uniform with the upper surface of the bush 106. To. Thereafter, as shown in FIG. 9, a disc-shaped pressing plate 114 is placed and screwed to the support angle 72 with the screw 101. A pin opening 116 is opened at the center of the disc-shaped holding plate 114.

(8th step)
In the eighth step, the hexagon bolt 118 is inserted from the pin opening 116 of the holding plate 114 as shown in FIG. 10, and the hexagon bolt 118 penetrates the pin opening 116 and the upper surface of the bush 106 as shown in FIG. Then, it abuts on the upper surface of the marking jig 110. Then, as shown in FIG. 12, the operator further tightens the hexagon bolt 118, and the lower part of the marking jig 110 is brought into contact with the upper surface of the inner base 90 to make the impression 120.

(9th step)
In the ninth step, as shown in FIG. 13, the pressing plate 114 and the pressing shim 112 are removed, and the bush 106 containing the marking jig 110 is removed from the bush mounting hole 98 of the support angle 72.

(10th step)
In the tenth step, the support angle 72 is jacked up.

(11th step)
In the eleventh step, as shown in FIG. 15, the bolts 122, 122 are screwed into and tightened into the removal screw holes 96 provided on both sides of the inner base 90, and the inner base 90 is lifted from the housing recess 88. Thereafter, as shown in FIG. 14, the inner base 90 is removed from the storage recess 88.

(12th step)
In the twelfth step, a pin hole 124 is opened at the position of the indentation 120 provided in the inner base 90 as shown in FIGS.

(13th step)
In the thirteenth step, as shown in FIG. 18, the inner base 90 with the pin holes 124 opened is housed again in the housing recess 88 and fixed to the housing recess 88 with screws 94. The pin 126 is accommodated in the shaft hole 108 of the bush 106 (see FIG. 20) . The jacked-up support angle 72 is placed on the inner base 90 again.

(14th step)
In the fourteenth step, as shown in FIG. 18, the bush 106 in which the pin 126 (see FIG. 20) is accommodated is inserted into the bush mounting hole 98 opened in the support angle 72. At this time, the pin 126 is inserted into the pin hole 124 of the inner base 90 (see FIG. 20) .

(15th step)
In the fifteenth step, as shown in FIG. 18 , the pressing shim 112 is placed around the bush 106 protruding from the support angle 72 as shown in FIG. 19 again. As shown in FIG. 19, when the pressing plate 114 is placed on the upper surface of the bush 106 and the pressing plate 114 is fixed with the screw 101 as shown in FIG. 20, the pin 126 becomes the support angle 72 and the pin of the inner base 90. It is fixed in the state inserted in the hole 124.

As a result, simply by opening the pin hole 124 in the inner base 90, the pin hole 124 corresponding to the site is formed, and the support angle 72 on the lower floor side can be fixed to the anchor plate 78 by the pin 126.

  The upper floor support angle 70 is placed on the anchor plate 78 and is not fixed by the pin 126.

(6) Effects According to this embodiment, the support angle 72 on the lower floor side of the truss 12 can be attached to the housing 2 of the building 1 without welding at the site where the escalator 10 is attached. Since the anchor plate 78 and the fastener 80 are welded in advance at the factory, the operator does not need to perform welding at the site, is easy to work, and is excellent in terms of environment.

(7) Other Modifications In the above-described embodiment, the structure in which the building 2 is provided in the building 1 has been described. However, the present embodiment can also be applied to a receiving beam composed of reinforcing bars.

  Moreover, in the said embodiment, although demonstrated applying to the escalator 10, you may replace with this and may apply to the moving sidewalk.

  Although one embodiment of the present invention has been described above, this embodiment is presented as an example and is not intended to limit the scope of the invention. These novel embodiments can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the spirit of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalents thereof.

DESCRIPTION OF SYMBOLS 1 ... Building, 2 ... Housing, 3 ... Mounting surface, 10 ... Escalator, 12 ... Truss, 70 ... Support angle, 72 ... Support angle, 76 horizontal plate, 78 ... Anchor plate, 80 ... Stop bracket, 86 ... Outer base, 88 ... Storage recess, 90 ... Inner base, 98 ... Bush mounting hole, 106 ... Bush, 108 ... Shaft hole, 110 ... Marking jig, 112 ... Presser shim, 114 ... Presser plate, 116 ... Pin opening, 118 ... Hexagon bolt, 120 ... Indentation, 122 ... Bolt, 124 ... Pin hole, 126 ... Pin

Claims (10)

A truss,
A frame provided in the building, or a plate-like anchor plate placed on the placing surface of the receiving beam;
A support angle provided at an end of the truss and placed on the anchor plate;
A bush mounting hole provided at a predetermined position of the support angle;
A plate-like outer base provided on the upper surface of the anchor plate;
A storage recess formed inside the outer base;
A plate-like inner base housed in the housing recess;
A pin hole provided at a predetermined position of the inner base;
A cylindrical bush penetrating the bush mounting hole of the support angle and disposed on the upper surface of the inner base;
An axial hole provided in the axial direction of the bush;
A pin housed in the shaft hole of the bush and inserted into the pin hole of the inner base;
With passenger conveyor. A holding plate fixed to the upper surface of the support angle and the upper surface of the bush;
The passenger conveyor according to claim 1. The inner base is a rectangular plate;
The passenger conveyor according to claim 1. The inner base is fixed with screws to the anchor plate in the storage recess,
The passenger conveyor according to claim 1. A pair of left and right fasteners are provided on the upper surface of the anchor plate,
The support angle is placed between a pair of left and right fasteners,
The passenger conveyor according to claim 1. The passenger conveyor is an escalator,
The passenger conveyor according to claim 1. A process of placing a plate-shaped anchor plate on the housing provided in the building or the placing surface of the receiving beam;
Storing the plate-shaped inner base in the storage recess of the plate-shaped outer base provided on the upper surface of the anchor plate;
Placing a truss support angle on the anchor plate;
Storing a cylindrical marking jig in the axial hole of the cylindrical bush;
Inserting the bush containing the marking jig into the bush mounting hole penetrating the support angle;
Extruding the marking jig downward and making an indentation on the upper surface of the inner base; and
Removing the support angle;
Removing the bush containing the marking jig from the bush mounting hole;
Opening a pin hole at the position of the indentation of the inner base;
Storing a pin in the shaft hole of the bush;
Placing the support angle again on the anchor plate;
Inserting the bush containing the pin into the bush mounting hole of the support angle, and inserting the pin into the pin hole;
A method for mounting a passenger conveyor having A step of fixing a pressing plate to the upper surface of the support angle and the upper surface of the bush;
The method for attaching a passenger conveyor according to claim 7. In the step of opening the pin hole at the position of the indentation of the inner base,
Opening the pin hole after removing the inner base from the outer base;
The method for attaching a passenger conveyor according to claim 7. The marking jig is a columnar shape, and the lower portion is a conical shape.
The method for attaching a passenger conveyor according to claim 7.

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