CN109678039B

CN109678039B - Supporting structure of main shaft and escalator or sidewalk

Info

Publication number: CN109678039B
Application number: CN201910149295.1A
Authority: CN
Inventors: 陆其荣; 林剑波
Original assignee: Kone Elevators Co Ltd; Kone Corp
Current assignee: Kone Elevators Co Ltd; Kone Corp
Priority date: 2019-02-28
Filing date: 2019-02-28
Publication date: 2024-06-07
Anticipated expiration: 2039-02-28
Also published as: CN109678039A

Abstract

A support structure for a main shaft of a motor reduction gearbox of an escalator or a walkway, wherein the support structure comprises a bearing housing for supporting the main shaft; the support structure further comprises a first adjusting mechanism and a second adjusting mechanism; the first adjusting mechanism adjusts the position of the bearing seat relative to the truss in a first direction; the second adjustment mechanism adjusts the position of the bearing mount relative to the truss in a second direction different from the first direction. An escalator or a walkway comprising a support structure as described above for supporting the main shaft of a side motor reduction gearbox of the escalator or walkway.

Description

Supporting structure of main shaft and escalator or sidewalk

Technical Field

The present disclosure relates to a support structure for a main shaft of a motor reduction gearbox for an escalator or a walkway. The present disclosure also relates to an escalator or a walkway comprising a support structure as described above for supporting the main shaft of the side motor reduction gearbox of the escalator or walkway.

Background

Some escalators or moving walkways transmit power from the drive unit to the step belt through a lateral intermediate motor reduction box rather than a drive chain, thereby improving the efficiency of the drive. The general design requirement of this drive method is to keep the overall size of the escalator the same as that of a chain driven escalator, even though the main shaft of the side intermediate motor reduction gearbox is much longer than that of a chain driven escalator.

In the prior art hollow profiles are used as support beams (also called trusses) over which screw plates are welded to fix bearing blocks for supporting the main shaft. The adjustment requirements in the front-rear direction (i.e. the direction of travel of the elevator) and in the left-right direction (i.e. the direction perpendicular to the direction of travel of the elevator) due to manufacturing tolerances are not considered in this solution.

In the prior art, a support beam of curved shape is also used, inside which there is a threaded plate (without welding), which has two axial adjustments. However, since the screw plate is located inside the support beam, it is difficult to move the screw plate to be fixed to the main shaft bearing housing.

Therefore, there is a need for a new support structure for the main shaft of a lateral intermediate motor reduction gearbox that can guarantee sufficient strength and rigidity of the whole escalator or walkway and that makes the adjustment of the bearing blocks used to support the main shaft (in particular in the direction of travel of the elevator and perpendicular to the direction of travel), installation and maintenance work easier.

Disclosure of Invention

The general idea of the present disclosure is that the new support structure for the main shaft of the side intermediate motor reduction gearbox uses machined thick plates as support beams (also called trusses), the threaded plates being located in slots (also called sliding grooves) of the trusses for fixing the bearing blocks.

Each bearing seat of the main shaft is fixed by a reinforced truss support beam, and a thread plate is arranged in a slotted hole of the truss support beam. Fasteners, such as bolts, are connected to the threaded plates through fastener slots provided on the truss support beams.

The screw plate can be moved back and forth by pulling a pull rod provided on the screw plate during field installation and maintenance. Since most escalator or walkway sides are directly surrounded by buildings or cladding, the adjustment space for the operator on the outside of the truss is limited. To this end, the present disclosure also provides a front-rear and a lateral jackscrew mechanism, enabling adjustment of the bearing housing (in the elevator travel direction and perpendicular to the travel direction) for supporting the main shaft to the correct position.

Specifically, according to one aspect of the present disclosure, there is provided a support structure for a main shaft of a motor reduction gearbox of an escalator or a walkway, wherein: the support structure includes a bearing housing for supporting the spindle.

The support structure further comprises a first adjusting mechanism and a second adjusting mechanism; the first adjusting mechanism adjusts the position of the bearing seat relative to the truss support beam in a first direction; the second adjustment mechanism adjusts the position of the bearing housing relative to the truss support beam in a second direction different from the first direction.

According to the above aspect of the disclosure, the support structure comprises a screw plate; the bearing seat is arranged on the threaded plate through a fastener; the screw plate is slidable with respect to and supported by a truss support beam for mounting the escalator or the moving walkway; the fastener is connected to the threaded plate through an elongated fastener slot provided on the truss support beam and through another elongated fastener slot provided on the bearing housing; the length direction of the elongated fastener slot is along the first direction; the length direction of the elongated fastener slot is along the second direction.

According to the above aspects of the present disclosure, the first direction is perpendicular to the second direction; the first direction is parallel to the travelling direction of the escalator or the walkway; the second direction is perpendicular to the direction of travel of the escalator or the walkway.

According to the above aspects of the present disclosure, the truss support beam is provided with an elongated sliding groove along the first direction; a portion of the threaded plate is slidably disposed in the sliding groove and supported by the truss support beam in the first direction and the second direction.

The sliding groove restricts movement of the screw plate in a third direction perpendicular to the first direction and the second direction.

According to the above aspects of the present disclosure, a pulling rod is provided on the screw plate, and an operator can move the screw plate during installation and maintenance stages by pulling the pulling rod.

The pull rod passes through a pull rod slot hole arranged on the truss support beam.

According to the above aspects of the present disclosure, the first adjustment mechanism includes a first jack screw mechanism (front-rear jack screw mechanism); the first jackscrew mechanisms are disposed on both sides of the bearing housing, one end of each of the first jackscrew mechanisms is abutted against one of the bearing housing ends and the other end thereof is rotatably connected to the truss support beam by a screw connection.

The first jack screw mechanism moves the bearing housing in the first direction by rotation of the first jack screw mechanism relative to the truss support beam.

According to the above aspects of the present disclosure, the second adjusting mechanism includes a second jack mechanism (lateral jack mechanism); the second jack screw mechanisms are disposed on both sides of the bearing housing, one end of each of the second jack screw mechanisms being abutted against a lug extending from an end of the bearing housing and the other end thereof being rotatably connected to the truss support beam by a screw connection.

The second jack screw mechanism moves the bearing housing in the second direction by rotation of the second jack screw mechanism relative to the truss support beam.

According to another aspect of the present disclosure there is provided an escalator or a walkway comprising a support structure as described above for supporting the main shaft of a side motor reduction gearbox of the escalator or walkway.

Compared with the solutions in the prior art, the technical solution of the present disclosure has the following technical advantages:

1. the overall strength and rigidity of the truss support beam of the escalator or the walkway is enhanced, thereby reducing displacement during installation and maintenance.

2. Even in a limited working space, space for installation and maintenance adjustment can be reserved by pulling a pulling rod fixed on the screw plate.

3. The front and rear jackscrew mechanisms and the transverse jackscrew mechanisms are used for simply and conveniently adjusting the position of the bearing seat in the traveling direction of the elevator and in the direction perpendicular to the traveling direction, so that the influence of manufacturing tolerance is overcome.

So that the disclosure may be better understood, and so that the contributions to the art may be better appreciated, it has been outlined, quite broadly, in order that the detailed description thereof herein may be better appreciated. There are, of course, embodiments of the disclosure that will be described below and which will form the subject matter of the appended claims.

As such, those skilled in the art will appreciate that the conception upon which this disclosure is based may readily be utilized as a basis for the designing of other structures, methods and systems for carrying out the several purposes of the present disclosure. It is important, therefore, that the claims be regarded as including such equivalent constructions insofar as they do not depart from the spirit and scope of the present disclosure.

Drawings

The present disclosure will be better understood and its advantages will be more clearly apparent to those skilled in the art from the following drawings. The drawings described herein are for illustration purposes only of selected embodiments and are not intended to limit the scope of the present disclosure in any way as opposed to all possible implementations.

Fig. 1 shows a plan view of an escalator or a walkway comprising a support structure for supporting a main shaft according to the present disclosure;

FIG. 2 shows an enlarged view of a portion of the support structure of FIG. 1;

FIG. 3 shows a side view of the support structure of FIG. 2;

FIG. 4 illustrates a perspective view of the support structure according to the present disclosure as shown in FIG. 2;

FIG. 5 shows an enlarged partial perspective view of the support structure of FIG. 1 with the bearing housing removed;

fig. 6 shows a perspective view of a bearing housing according to the present disclosure.

Detailed Description

As shown in fig. 1, the supporting structure of the main shaft 8 of the motor reduction gearbox of the escalator or the walkway according to the present disclosure employs a machined thick plate as a truss support beam 2 (also called truss 2), and a screw plate 3 is located in a slot hole 2-1 (also called sliding groove 2-1) of the truss 2 for connecting with the bearing housing 1.

The two ends of the main shaft 8 are respectively provided with a supporting structure comprising the bearing blocks 1, each bearing block 1 of the main shaft 8 is fixed by a reinforced truss support beam 2, and a thread plate 3 is arranged in a slot hole of the truss support beam 2. Fasteners such as bolts 4 are connected to the threaded plate 3 through fastener slots 2-2 (not shown in fig. 1) provided on the truss support beams 2.

The screw plate 3 can be moved back and forth during field installation and maintenance by pulling a pulling rod 5 provided on the screw plate 3. Since most escalator or walkway sides are directly surrounded by buildings or cladding, the adjustment space for the operator on the outside of the truss is limited. To this end, the present disclosure also provides a front-rear and transverse jackscrew mechanism (described in detail below in connection with fig. 2-3) to enable adjustment of the bearing housing for supporting the main shaft (in the direction of travel of the elevator and perpendicular to the direction of travel) to the correct position.

In particular, according to one embodiment of the present disclosure, as shown in fig. 2 to 3, there is provided a support structure for a main shaft 8 of a motor reduction box of an escalator or a moving walkway, wherein: the support structure comprises a bearing housing 1 for supporting the spindle.

The support structure further comprises a first adjustment mechanism 7 and a second adjustment mechanism 6; the first adjusting mechanism 7 adjusts the position of the bearing block 1 relative to the truss support beam 2 in a first direction; the second adjustment mechanism 6 adjusts the position of the bearing housing 1 relative to the truss support beam 2 in a second direction different from the first direction.

According to the above-described embodiments of the present disclosure, the support structure includes a screw plate 3; the bearing seat 1 is arranged on the screw plate 3 through a fastener 4; the screw plate 3 is slidable with respect to a truss support beam 2 for mounting the escalator or the moving walkway and is supported by the truss support beam 2; the fastener 4 is connected to the thread plate 3 through an elongated fastener slot 2-2 (shown in fig. 5) provided on the truss support beam 2 and through another elongated fastener slot 1-3 (shown in fig. 6) provided on the bearing housing 1. The length of the elongated fastener slot 2-2 is along the first direction. The length of the other fastener slot 1-3 of the elongated shape is along the second direction.

According to the above-described various embodiments of the present disclosure, the first direction is perpendicular to the second direction; the first direction is parallel to the travelling direction of the escalator or the walkway; the second direction is perpendicular to the direction of travel of the escalator or the walkway.

According to the above-described various embodiments of the present disclosure, the truss support beam 2 is provided with an elongated sliding groove 2-1 along the first direction; in the first direction and the second direction, a part of the screw plate 3 is slidably provided in the sliding groove 2-1 and supported by the truss support beam 2.

The sliding groove 2-1 restricts the movement of the screw plate 3 in a third direction (up-down direction in the plan view of fig. 2) perpendicular to the first direction and the second direction.

According to the various embodiments of the present disclosure described above, a pulling rod 5 is provided on the screw plate 3, and an operator can move the screw plate 3 during the installation and maintenance phase (releasing the first and second adjustment mechanisms 7 and 6) by pulling the pulling rod 5.

The pull rod 5 passes through a pull rod slot provided on the truss support beam 2 (see fig. 4).

According to the above-described respective embodiments of the present disclosure, the first adjustment mechanism includes a first jack mechanism 7 (front-rear jack mechanism 7); the first jack screw mechanisms 7 are arranged on both sides of the bearing housing 1, one end 7-1 of each of the first jack screw mechanisms being against one of the end 1-1 of the bearing housing 1 and the other end 7-2 of the first jack screw mechanisms being rotatably connected to the truss support beam 2 by a threaded connection (for example, but not limited to, directly or indirectly connected to the truss support beam 2 by a jack screw connection plate 7-3 fixed to the truss support beam 2, see fig. 2).

By rotation of the first jackscrew mechanism 7 relative to the truss support beam 2, the first jackscrew mechanism 7 moves the bearing housing 1 in the first direction, i.e. parallel to the travelling direction of the elevator.

According to the above-described various embodiments of the present disclosure, the second adjustment mechanism includes a second jack mechanism 6 (a lateral jack mechanism 6, as shown in fig. 4); the second jackscrew mechanisms 6 are arranged on both sides of the bearing housing 1, one end 6-1 of each of the second jackscrew mechanisms being against the bearing housing 1 (e.g. against a lug 1-2 extending from the end 1-1 of the bearing housing 1, see fig. 6) and the other end 6-2 of the second jackscrew mechanism being rotatably connected to the truss support beam by a threaded connection (e.g. but not limited to being directly or indirectly connected to the truss support beam 2 by a jackscrew connection plate 6-3 fixed to the truss support beam 2, see fig. 4).

By rotation of the second jackscrew mechanism 6 relative to the truss support beam 2, the second jackscrew mechanism 6 moves the bearing housing 1 in the second direction, i.e. perpendicular to the travelling direction of the elevator.

According to another embodiment of the present disclosure there is provided an escalator or a travelator, as shown in fig. 1, comprising a support structure as described above for supporting the main shaft of the side motor reduction gearbox of the escalator or travelator.

2. Even in a limited working space, space for installation and maintenance adjustment can be reserved by pulling the pulling rod 5 fixed on the screw plate.

3. The use of the front and rear jackscrew mechanism 7 and the transverse jackscrew mechanism 6 simply and conveniently enables the position of the bearing block 1 to be adjusted in the direction of travel of the elevator and perpendicular to the direction of travel, thereby overcoming the effects of manufacturing tolerances.

While the disclosure has been described in the specification and drawings with reference to a particular embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the disclosure as defined in the claims. Moreover, the combination and organization of features, elements, and/or functions between particular embodiments herein is clearly apparent, and thus, from this disclosure, one skilled in the art will appreciate that features, elements, and/or functions of an embodiment may be optionally incorporated into another particular embodiment, unless described otherwise. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the disclosure without departing from the essential scope thereof. Therefore, it is intended that the disclosure not be limited to the particular embodiments illustrated by the drawings, but that the disclosure will include all embodiments falling within the scope of the foregoing description and the appended claims, as the best mode presently contemplated for carrying out this disclosure.

Claims

1. A supporting structure of a main shaft for a main shaft of a motor reduction gearbox of an escalator or a walkway, wherein

The support structure includes a bearing housing for supporting the spindle;

the support structure further comprises a first adjusting mechanism and a second adjusting mechanism;

The first adjusting mechanism adjusts the position of the bearing seat relative to the truss support beam in a first direction;

the second adjustment mechanism adjusts the position of the bearing housing relative to the truss support beam in a second direction different from the first direction;

the support structure comprises a threaded plate;

the bearing seat is arranged on the threaded plate through a fastener;

the screw plate is slidable with respect to and supported by a truss support beam for mounting the escalator or the walkway.

2. The support structure of a spindle of claim 1, wherein

The fastener is connected to the threaded plate through an elongated fastener slot provided on the truss support beam and through another elongated fastener slot provided on the bearing housing;

The length direction of the elongated fastener slot is along the first direction;

the length direction of the elongated fastener slot is along the second direction.

3. The support structure of a spindle of claim 2, wherein

The first direction is perpendicular to the second direction;

The first direction is parallel to the travelling direction of the escalator or the walkway;

the second direction is perpendicular to the direction of travel of the escalator or the walkway.

4. A support structure for a spindle according to claim 2 or 3, wherein

The truss support beam is provided with an elongated sliding groove along the first direction;

A portion of the threaded plate is slidably disposed in the sliding groove and supported by the truss support beam in the first direction and the second direction;

5. The support structure for a spindle of claim 4, wherein

A pulling rod is arranged on the threaded plate, and an operator can move the threaded plate in the installation and maintenance stage by pulling the pulling rod;

6. A support structure for a spindle according to claim 2 or 3, wherein

The first adjusting mechanism comprises a first jackscrew mechanism;

The first jackscrew mechanisms are arranged on two sides of the bearing seat, one end part of each first jackscrew mechanism is abutted against one end part of the bearing seat, and the other end part of each first jackscrew mechanism is rotatably connected to the truss support beam through threaded connection;

7. The support structure for a spindle of claim 6, wherein

The second adjusting mechanism comprises a second jackscrew mechanism;

the second jackscrew mechanisms are arranged on two sides of the bearing seat, one end part of each second jackscrew mechanism is abutted against a lug extending from the end part of the bearing seat, and the other end part of each second jackscrew mechanism is rotatably connected to the truss support beam through a threaded connection;

8. An escalator or a walkway comprising a support structure for the main shaft of the side motor reduction gearbox of the escalator or walkway according to any one of the preceding claims.