CN115367599A - Step chain for rotary escalator - Google Patents

Abstract

The invention relates to the technical field of chains, in particular to a step chain for a rotary escalator. The technical scheme adopted by the invention is as follows: the outer ring cascade chain is composed of an outer ring inner chain link, an outer ring transition chain link, an outer ring shaft link, an outer ring outer chain link and an outer ring connecting chain link, and the inner ring cascade chain is composed of an inner ring inner chain link, an inner ring transition chain link, an inner ring shaft link, an inner ring outer chain link and an inner ring connecting chain link. The invention has the advantages that: wholly comprise interior outer lane step chain, can realize rotatory escalator's user demand when using, the security when using is also more reliable, and the durability is stronger, can carry out the cooperation installation of more laminating to cylindrical building.

Description

Step chain for rotary escalator

Technical Field

The invention relates to the technical field of chains, in particular to a step chain for a rotary escalator.

Background

The majority of the escalators adopt straight-line walking ladder paths, but when building limitation or pursuit of attractiveness, rotary steps are needed, the existing escalators are straight ladders in a straight line form, the use requirements of the rotary escalators cannot be met, and the straight ladders cannot achieve the rotary lifting effect.

Disclosure of Invention

The invention aims to provide a step chain for a rotary escalator, which adopts a brand-new structural design, is integrally composed of an inner ring step chain and an outer ring step chain, can meet the use requirement of the rotary escalator in use, has more reliable safety and stronger durability in use, can be used for fitting and installing cylindrical buildings more closely, and solves the application blank of the escalator in a rotary lifting environment.

The technical scheme of the invention is as follows:

the utility model provides a rotatory step chain for automatic escalator which characterized in that: the step chain comprises an outer ring step chain and an inner ring step chain, wherein the inner ring arc length of the inner ring step chain is smaller than the outer ring arc length of the outer ring step chain, the outer ring step chain and a shaft link of the inner ring step chain are matched with a step pedal, the outer ring step chain comprises an outer ring inner chain link, an outer ring transition chain link, an outer ring shaft link and an outer ring connecting chain link, the inner ring step chain comprises an inner ring inner chain link, an inner ring transition chain link, an inner ring shaft link, an inner ring outer chain link and an inner ring connecting chain link, the outer ring inner chain link comprises two first inner chain links, a first sleeve, two rollers, a universal ball seat, a universal ball gland, a universal ball and two universal ball spacers, and the universal ball gland is matched and installed with the universal ball together through a matching spherical surface, the universal ball gland is pressed into a spherical space of the universal ball seat, counter bores are arranged on two sides of the universal ball seat, the diameter of each counter bore is larger than that of the outer side structure of the universal ball spacer bush, the universal ball spacer bush and a hinge pair formed by the universal ball can rotate for a certain angle, the outer ring transition chain link consists of a roller and a first transition chain plate of a pin shaft, the outer ring shaft link consists of a first D-shaped pin shaft, three first check rings, two first S-shaped outer chain plates of two main wheel fixing pins, a pin shaft, two step main wheels of two fourth check rings, two second check rings, a bending attachment plate, a fixed bearing pin and a bearing, the outer ring outer chain link consists of the first outer chain plate and the pin shaft, the outer ring connecting chain link consists of the first outer chain plate, a third check ring of the first connecting chain plate and the pin shaft, and the inner ring of the inner ring inner chain link consists of a first sleeve, a second sleeve, a third check ring of a second sleeve and a second sleeve, the outer ring transition chain link consists of a second sleeve and a second transition chain plate, the inner ring shaft chain link consists of a second D-shaped pin shaft, a second S-shaped outer chain plate, a pin shaft, a fourth retaining ring, a step main wheel and a second retaining ring, the inner ring outer chain link consists of a second outer chain plate and a matched pin shaft, and the inner ring connecting chain link consists of a third retaining ring, a retaining ring pin shaft, a second outer chain plate and a second connecting chain plate; universal ball spacer with the universal ball inner bore form one with the vice hole of first sleeve complex hinge, the diameter of the vice hole of hinge is greater than the round pin axle with the external diameter of retaining ring round pin axle, first sleeve with universal ball spacer and fourth sleeve terminal surface stretch out first inner link joint and fourth inner link joint and first transition link joint, second transition link joint, first D type round pin epaxial is equipped with a curved board that attaches, curved attaching is equipped with two main wheel fixed pins on the board, and curved attaching is equipped with a fixed bearing round pin on the face of bending of board, the last transition fit of fixed bearing round pin is equipped with a bearing.

Furthermore, the outer surfaces of the bent auxiliary plate, the first transition chain plate, the second outer chain plate, the second connecting chain plate, the second inner chain plate, the first outer chain plate and the first connecting chain plate are all provided with a zinc-plated protective layer.

Further, the bent auxiliary plate, the first transition link plate, the second outer link plate, the second connecting link plate, the second inner link plate, the first outer link plate and the first connecting link plate are made of the same material.

The invention has the beneficial effects that:

the escalator adopts a brand-new structural design, integrally consists of the inner and outer ring step chains, can meet the use requirement of a rotary escalator when in use, has more reliable safety and stronger durability when in use, can be matched and installed to a cylindrical building in a more fitting way, and solves the application blank of the escalator in a rotary lifting environment.

Drawings

FIG. 1 is a schematic top view of the present invention;

FIG. 2 is a schematic front view of the outer race step chain of the present invention;

FIG. 3 is a schematic cross-sectional view of the outer race step chain of the present invention;

FIG. 4 is a schematic front view of the inner race step chain of the present invention;

FIG. 5 is a schematic cross-sectional view of the inner race step chain of the present invention;

FIG. 6 is a schematic cross-sectional view of an inner link of the outer race of the present invention;

FIG. 7 is a cross-sectional schematic view of an outer ring transition link of the present invention;

FIG. 8 is a schematic cross-sectional view of an outer race axle link of the present invention;

FIG. 9 is a schematic cross-sectional view of the position of the outer race axle link B-B of the present invention;

FIG. 10 is a schematic cross-sectional view of an outer link of the outer ring of the present invention;

FIG. 11 is a schematic cross-sectional view of an outer race connecting link of the present invention;

FIG. 12 is a schematic cross-sectional view of an inner link of the inner race of the present invention;

FIG. 13 is a schematic cross-sectional view of an inner race transition link of the present invention;

FIG. 14 is a schematic cross-sectional view of an inner race axle link of the present invention;

FIG. 15 is a cross-sectional view of an inner race outer link of the present invention;

FIG. 16 is a schematic cross-sectional view of an inner race connecting link of the present invention;

in the figure: 1. the first inner chain plate, 2, the first sleeve, 3, the roller, 4, the universal ball seat, 5, the universal ball gland, 6, the universal ball, 7, the universal ball spacer bush, 8, the first D-shaped pin shaft, 9, the first retainer ring, 10, the main wheel fixing pin, 11, the first S-shaped outer chain plate, 12, the first outer chain plate, 13, the pin shaft, 14, the first transition chain plate, 15, the fourth retainer ring, 16, the fourth sleeve, 17, the first connecting chain plate, 18, the third retainer ring, 19, the retainer ring pin shaft, 20, the step main wheel, 21, the second retainer ring, 22, the bent plate, 23, the fixed bearing pin, 24, the second inner chain plate, 25, the second S-shaped outer chain plate, 26, the second outer chain plate, 27, the second chain plate transition, 28, the second connection, 29, the second D-shaped pin shaft, 634 and the bearing.

Detailed Description

As shown in fig. 1 to 16, a step chain for a rotary escalator adopts a brand-new structural design, is integrally composed of an inner ring step chain and an outer ring step chain, can meet the use requirement of the rotary escalator when in use, has relatively reliable safety when in use and stronger durability, can be used for fitting cylindrical buildings, and solves the application blank of the escalator under a rotary lifting environment. The step chain comprises an outer ring step chain and an inner ring step chain, wherein the inner ring arc length of the inner ring step chain is smaller than the outer ring arc length of the outer ring step chain, the outer ring step chain and a shaft chain joint of the inner ring step chain are matched with a step pedal, the outer ring step chain comprises an outer ring inner chain link, an outer ring transition chain link, an outer ring shaft chain link and an outer ring connecting chain link, the inner ring step chain comprises an inner ring inner chain link, an inner ring transition chain link, an inner ring shaft chain link, an inner ring outer chain link and an inner ring connecting chain link, the outer ring inner chain link comprises two first inner chain links 1, a first sleeve 2, two rollers 3, a universal ball seat 4, a universal ball gland 5, a universal ball 6 and two universal ball spacers 7, the universal ball seat 4 and the universal ball gland 5 are matched and installed together through a matched spherical surface and the universal ball 6, the universal ball gland 5 is pressed into the spherical space of the universal ball seat 4, counter bores are arranged on two sides of the universal ball seat 4, the diameter of each counter bore is larger than that of the outer side structure of the universal ball spacer 7, the universal ball spacer 7 and a hinge pair formed by the universal ball 6 can rotate for a certain angle, the outer ring transition chain link is composed of a roller 3 and a first transition chain plate 14 of a pin shaft 13, the outer ring shaft link is composed of a first D-shaped pin shaft 8, three first retainer rings 9, two main wheel fixing pins 10, two first S-shaped outer chain plates 11, a pin shaft 13, two fourth retainer rings 15, two step main wheels 20, two second retainer rings 21, a bent plate 22, a fixed bearing pin 23 and a bearing 634, the outer ring outer chain link is composed of a first outer chain plate 12 and a pin shaft 13, and the outer ring connection chain link is composed of a first outer chain plate 12, a second retainer ring 14, a bent plate 12 and a hinge shaft 13, the inner ring inner chain link consists of a first sleeve 2, a roller 3, a universal ball seat 4, a universal ball gland 5, a universal ball 6, a universal ball spacer 7 and a second inner chain plate 24, the outer ring transition chain link consists of a second sleeve 16 and a second transition chain plate 27, the inner ring shaft link consists of a second D-shaped pin shaft 29, a second S-shaped outer chain plate 25, a pin shaft 13, a fourth retainer ring 15, a step main wheel 20 and a second retainer ring 21, the inner ring outer chain link consists of a second outer chain plate 26 and a matching pin shaft 13, and the inner ring connecting chain link consists of a third retainer ring 18, a retainer ring pin shaft 19, a second outer chain plate 26 and a second connecting pin 28; the universal ball spacer 7 and the inner hole of the universal ball 6 form a hinge pair inner hole matched with the first sleeve 2, the diameter of the hinge pair inner hole is larger than the outer diameters of the pin shaft 13 and the retainer ring pin shaft 19, so that an outer ring transition chain link, an inner ring transition chain link, an outer ring shaft chain link, an inner ring shaft chain link, an outer ring outer chain link, an inner ring outer chain link and an outer ring connecting chain link which are provided with the pin shaft 13 and a retainer ring pin shaft 19 can be ensured to flexibly rotate along the axial direction of the hinge pair inner hole, the end surfaces of the first sleeve 2, the universal ball spacer 7 and the fourth sleeve 16 extend out of the first inner chain plate 1, the fourth inner chain plate 24, the first transition chain plate 14 and the second transition chain plate 27, the outer sides of the inner hole surfaces of the first inner chain plate 1, the second inner chain plate 24, the first transition chain plate 14 and the second transition chain plate 27 are at a certain distance from the inner sides of the small hole surfaces of the first outer chain plate 12, the first S-shaped outer chain plate 11, the first connecting chain plate 17, the first transition chain plate 14, the second outer chain plate 26, the second S-shaped outer chain plate 25, the second connecting chain plate 28 and the second transition chain plate 27 of the hinge sub-link, so that the hinge sub-link with universal balls arranged on the outer ring inner chain link and the inner ring inner chain link can be longitudinally rotated for a certain angle with the outer ring transition chain link, the outer ring shaft link, the inner ring transition chain link and the inner ring shaft link, the distance is limited by the rotation angle of the rotary escalator, and the corresponding distance is increased. A first D-shaped pin shaft 8, two first S-shaped outer chain plates 11 and a pin shaft 13 form an outer ring shaft link frame, the first D-shaped pin shaft 8 is matched with an inner hole of a second sleeve 16 of a second outer ring transition link to form a hinge pair, the outer ring transition link flexibly rotates along the axial direction of the first D-shaped pin shaft 8, the pin shaft 13 is matched with inner holes of a universal ball 6 and a universal ball spacer 7 of the outer ring inner link to form the hinge pair, and the outer ring inner link can longitudinally rotate for a certain angle while flexibly rotating along the axial direction of the pin shaft 13; a bent accessory plate 22 is arranged on the first D-shaped pin shaft 8, two main wheel fixing pins 10 are arranged on the bent accessory plate 22, a step main wheel 20 is arranged on each main wheel fixing pin 10 in a transition fit mode, a step is designed on each main wheel fixing pin 10 to enable the step main wheel 20 to be at a certain distance from the bent accessory plate 22, the bent accessory plate 22 is guaranteed not to interfere with the free rolling of the step main wheel 20, a first retainer ring 9 and a second retainer ring 21 are arranged on two sides of each main wheel fixing pin 10 to prevent the main wheel fixing pins 10 and the step main wheel 20 from falling off, the bent accessory plate 22 is radially parallel to the first S-shaped outer chain plate 11, and a truss and a chain wheel of the rotary escalator are guaranteed to be respectively meshed with the step main wheel 20 and the hinge pair roller 3 of the step chain; the bending surface of the bending attachment plate 22 is provided with a fixed bearing pin 23, the fixed bearing pin 23 is provided with a bearing in a transition fit mode, one side, provided with the bearing, of the fixed bearing pin 23 is fixed through a fourth retaining ring 15 to prevent the bearing from falling off, the outer ring of the bearing is matched with a truss gauge of the rotary escalator to offset the centripetal force in the operation process of the rotary escalator, and the normal operation of the rotary escalator is guaranteed. The second D-shaped pin shaft 29, the two second S-shaped outer chain plates 25 and the pin shaft 13 form an inner ring pin shaft link frame, the second D-shaped pin shaft 29 is matched with an inner hole of the second sleeve 16 of the inner ring transition link to form a hinge pair, the inner ring transition link flexibly rotates along the axial direction of the D-shaped second pin shaft 29, the pin shaft 13 is matched with inner holes of the universal ball 6 and the universal ball spacer 7 of the inner ring inner link to form a hinge pair, and the inner ring inner link can longitudinally rotate for a certain angle while flexibly rotating along the axial direction of the pin shaft 13; the second D-shaped pin 29 is provided with a step to keep a certain distance between the step main wheel 20 and the second S-shaped outer chain plate 25, so as to ensure that the second S-shaped outer chain plate 25 does not interfere with the free rolling of the step main wheel 20, and the bearing side of the second D-shaped pin 29 is fixed by the second retainer ring 21 to prevent the bearing from falling off.

Preferably, the outer surfaces of the bent attached plate 22, the first transition link plate 14, the second transition link plate 27, the second outer link plate 26, the second connecting link plate 28, the second inner link plate 24, the first outer link plate 12 and the first connecting link plate 17 are all provided with a galvanized protective layer, so that the overall structural strength is better, and the service life in the use process is longer.

Preferably, the materials of the bent attachment plate 22, the first transition link plate 14, the second transition link plate 27, the second outer link plate 26, the second connecting link plate 28, the second inner link plate 24, the first outer link plate 12 and the first connecting link plate 17 are the same, so that the cost is lower during production and the processing are more convenient.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications or substitutions can be made without departing from the principle of the present invention, and these modifications or substitutions should also be considered as the protection scope of the present invention.

Claims (3)

1. The utility model provides a rotatory step chain for automatic escalator which characterized in that: including outer lane cascade chain and inner circle cascade chain, the inner circle arc length of inner circle cascade chain is less than the outer lane arc length of outer lane cascade chain, outer lane cascade chain the axle chain joint and the cooperation of step footboard of inner circle cascade chain, outer lane cascade chain comprises outer lane inner chain link, outer lane transition chain link, outer lane outer chain link and outer lane connecting link, inner circle cascade chain comprises inner lane inner chain link, inner circle transition chain link, inner circle axle chain link, inner circle outer chain link and inner lane connecting link, outer lane inner chain link comprises two first inner chain links (1), a first sleeve (2), two rollers (3), a universal ball seat (4), a universal ball gland (5), a universal ball (6), two universal ball spacer bushes (7), universal ball seat (4), universal ball gland (5) through the cooperation sphere with universal ball (6) cooperation is installed together, universal ball gland (5) are impressed in the spherical space of universal ball seat (4), the both sides of universal ball seat (4) are equipped with, the diameter of universal ball gland (7) is greater than the diameter of the counter bore of universal ball spacer bush (7) with universal ball (6) cooperation is installed together, universal ball bearing bush (13) is formed by the first angle type hinge (13) of outer lane transition ball link, the first angle of the hinge (13) is connected to the universal ball bearing (6) the universal ball bearing bush (6) the universal ball bearing can the hinge Three first retaining ring (9), two step bull wheel fixed pins (10), two S-shaped outer link plates (11) and a round pin axle (13), two fourth retaining rings (15), two step bull wheels (20), two second retaining rings (21), one bend and attach board (22), a fixed bearing pin (23), a bearing (634) and constitute, outer chain link of outer lane comprises first outer link plate (12) and round pin axle (13), outer lane connected link comprises first outer link plate (12), first connected link plate (17) third retaining ring (18) and retaining ring round pin axle (19), inner circle inner link comprises first sleeve (2), roller (3), universal ball seat (4), universal ball gland (5), universal ball (6), universal ball spacer bush (7) and second inner link plate (24), outer lane transition link comprises second sleeve (16) and second transition link (27), inner circle shaft link comprises second D type outer pin axle (29), second S-shaped outer link plate (25), second round pin axle (25), second outer link plate (18), third retaining ring (18), inner circle connected link (26) and step bull ring (26) and step outside the inner circle connected link (13) comprises second outer link plate (18), pin axle (26) and step bull ring (13), inner circle connected link (13) and step bull ring and step outer link (26) and step outer link and constitute, A second outer chain plate (26) and a second connecting chain plate (28); universal ball spacer (7) with universal ball (6) hole form one with the vice hole of first sleeve (2) complex hinge, the diameter of the vice hole of hinge is greater than round pin axle (13) with the external diameter of retaining ring round pin axle (19), first sleeve (2) with universal ball spacer (7) and fourth sleeve (16) terminal surface stretch out first inner chain board (1) and fourth inner chain board (24) and first transition link joint (14), second transition link joint (27), be equipped with one on first D type round pin axle (8) and bend and attach board (22) and be equipped with two leading wheel fixed pins (10), bend and attach the face of bending of board (22) and be equipped with fixed bearing pin (23), fixed bearing pin (23) go up transition fit and be equipped with a bearing.

2. The step chain for a rotary escalator as claimed in claim 1, wherein: the outer surfaces of the bent auxiliary plates (22), the first transition chain plates (14), the second transition chain plates (27), the second outer chain plates (26), the second connecting chain plates (28), the second inner chain plates (24), the first outer chain plates (12) and the first connecting chain plates (17) are all provided with a zinc-plated protective layer.

3. The step chain for a rotary escalator as claimed in claim 1, wherein: the bent attachment plate (22), the first transition chain plate (14), the second transition chain plate (27), the second outer chain plate (26), the second connecting chain plate (28), the second inner chain plate (24), the first outer chain plate (12) and the first connecting chain plate (17) are made of the same material.

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