CN211254932U

CN211254932U - Step chain wheel for escalator

Info

Publication number: CN211254932U
Application number: CN201922451291.7U
Authority: CN
Inventors: 王玉珍
Original assignee: Wujiang Sunshine Plastic Products Co ltd
Current assignee: Wujiang Sunshine Plastic Products Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-08-14
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a step sprocket for on automatic escalator, including sprocket plate, drag chain ring, backing ring, mounting panel, bolt, bearing, fixture block, sprocket, installation axle, fretwork hole, draw-in groove, screw hole and mounting hole. The utility model discloses contain the tow chain ring, under the effect of tow chain ring, can directly play the effect of lifting to the step chain of staircase, need not independent installation and outer tow chain device, reduced the part of automatic escalator, be favorable to lifting of chain, the utility model discloses an install installation mechanism in the mounting hole of sprocket plate, the fixture block joint on the grommet of installation mechanism is in the draw-in groove of sprocket plate, then uses the bolt to fix the grommet, and the sprocket plate can be comparatively quick installs at installation epaxially, need not to impress the bearing in the mounting hole of draw-in groove, has made things convenient for greatly to assemble sprocket plate and bearing together, is favorable to improving the installation effectiveness of staircase.

Description

Step chain wheel for escalator

Technical Field

The utility model relates to a step sprocket specifically is a step sprocket for on automatic escalator, belongs to step sprocket application technical field.

Background

The escalator is formed by combining a chain conveyor with a special structural form and two belt conveyors with special structural forms, is provided with a circulating movement ladder way and is a fixed electric driving device used for conveying passengers upwards or downwards between different floor heights of a building, and the main components of the escalator comprise a step, a traction chain, a step chain wheel, a guide rail system, a main transmission system, a driving main shaft, a ladder way tensioning device, a handrail system, a comb plate, an escalator framework, an electric system and the like, wherein the step chain wheel is an important component for driving power.

However, most of the existing step chain wheels are simple chain wheels, when the chain wheels are installed, the bearings are required to be directly pressed into the installation holes of the chain wheels, the pressing is troublesome, the installation of the chain wheels is not facilitated, the assembly efficiency of the escalator is reduced, the existing chain wheels cannot lift the traction chain, the required outer installation lifting device lifts the traction chain, and the chain wheels are troublesome and have certain defects. Therefore, a step sprocket for an escalator is proposed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a step sprocket for an escalator to solve the above problems.

The utility model discloses a following technical scheme realizes above-mentioned purpose, a step sprocket for on automatic escalator, including sprocket plate, drag chain ring, sprocket tooth and installation mechanism, the center department of a sprocket plate side is opened there is the mounting hole, it has multiunit screw hole and a plurality of draw-in groove to open on the sprocket plate, the draw-in groove is communicated with the mounting hole, and a plurality of draw-in groove and screw hole are about the hollow evenly distributed of mounting hole, install installation mechanism in the mounting hole, the equal rigid coupling of both sides face that the sprocket plate corresponds each other has drag chain ring, the outer wall of sprocket plate is opened has sprocket tooth;

installation mechanism includes bushing ring, mounting panel, bolt, bearing, fixture block, sprocket and installation axle, the installation axle is fixed to be cup jointed on the inner ring of bearing, the outer loop fixed cup joint of bearing is in the bushing ring, the outer wall rigid coupling of bushing ring have with draw-in groove assorted fixture block, the bushing ring cup joints in the mounting hole of sprocket plate, the fixture block joint is close to in the draw-in groove of sprocket plate the rigid coupling of the even equidistance of outer wall of the bushing ring of bushing ring side has the polylith mounting panel, the bolt is installed to the screw thread on the mounting panel, just a terminal thread of bolt is installed in the threaded hole of sprocket plate.

Preferably, the chain wheel plate is a tungsten steel chain wheel plate, a plurality of hollowed holes are formed in one side face of the chain wheel plate, and the hollowed holes are symmetrical about the hole centers of the mounting holes.

Preferably, the stainless steel gasket is installed with mounting panel contact department to the bolt, the nut is installed to the other end screw thread of bolt, the nut is mutually contacted with the sprocket board.

Preferably, the lining ring is a tungsten steel lining ring, and the inner wall and the outer wall of the lining ring are both provided with anti-skid grains.

Preferably, the threaded holes are six groups, the number of the threaded holes in each group is two, and the number of the clamping grooves is six.

Preferably, the outer wall of the drag chain ring is sprayed with a ceramic wear-resistant coating, and the drag chain ring is an alloy steel drag chain ring.

The utility model has the advantages that:

1. the utility model has the advantages of ingenious conception and simple structure, the device comprises the drag chain ring, and can directly lift the step chain of the escalator under the action of the drag chain ring, and no external drag chain device needs to be independently installed, thereby reducing the parts of the escalator and being beneficial to lifting the chain;

2. the utility model discloses an install installation mechanism in the mounting hole of sprocket plate, the fixture block joint on installation mechanism's the grommet is in the draw-in groove of sprocket plate, then uses the bolt fixed with the grommet, and the sprocket plate can be comparatively quick install epaxial, need not to impress the bearing in the mounting hole of draw-in groove, has made things convenient for greatly to assemble sprocket plate and bearing together, is favorable to improving the installation effectiveness of staircase.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a front view of the present invention;

FIG. 2 is a front view of the sprocket plate of the present invention;

fig. 3 is a top view of the present invention.

In the figure: 1. the chain wheel plate, 2, drag chain ring, 3, backing ring, 4, mounting panel, 5, bolt, 6, bearing, 7, fixture block, 8, sprocket, 9, installation axle, 10, fretwork hole, 11, draw-in groove, 12, screw hole, 13, mounting hole.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-3, a step sprocket for an escalator includes a sprocket plate 1, a chain dragging ring 2, sprocket teeth 8 and a mounting mechanism, wherein a mounting hole 13 is formed in the center of one side surface of the sprocket plate 1, a plurality of groups of threaded holes 12 and a plurality of clamping grooves 11 are formed in the sprocket plate 1, the clamping grooves 11 are communicated with the mounting hole 13, the clamping grooves 11 and the threaded holes 12 are uniformly distributed in relation to the hollow of the mounting hole 13, the mounting mechanism is mounted in the mounting hole 13, the chain dragging ring 2 is fixedly connected to the two corresponding side surfaces of the sprocket plate 1, and the sprocket teeth 8 are formed on the outer wall of the sprocket plate 1;

installation mechanism includes bushing ring 3, mounting panel 4, bolt 5, bearing 6, fixture block 7, sprocket 8 and installation axle 9, install the fixed inner ring that cup joints at bearing 6 of axle 9, the fixed cup joint of outer loop of bearing 6 is in bushing ring 3, bushing ring 3's outer wall rigid coupling have with draw-in groove 11 assorted fixture block 7, bushing ring 3 cup joints in sprocket plate 1's mounting hole 13, fixture block 7 joint is close to in sprocket plate 1's draw-in groove 11 the even equidistance rigid coupling of bushing ring 3's the outer wall of 3 side of bushing ring has polylith mounting panel 4, bolt 5 is installed to the last screw thread of mounting panel 4, just one end screw thread of bolt 5 is installed in sprocket plate 1's screw hole 12.

The chain wheel plate 1 is a tungsten steel chain wheel plate, a plurality of hollowed holes 10 are formed in one side face of the chain wheel plate 1, and the hollowed holes 10 are symmetrical with respect to the hole center of the mounting hole 13; a stainless steel gasket is arranged at the contact position of the bolt 5 and the mounting plate 4, a nut is arranged at the other end of the bolt 5 in a threaded manner, and the nut is contacted with the chain wheel plate 1 so as to be convenient for mounting and fixing the backing ring 3; the lining ring 3 is a tungsten steel lining ring, and the inner wall and the outer wall of the lining ring 3 are both provided with anti-slip lines, so that the situation that the bearing 6 slips in the lining ring 3 is avoided; the number of the threaded holes 12 is six, the number of the threaded holes 12 in each group is two, and the number of the clamping grooves 11 is six; the outer wall of the drag chain ring 2 is sprayed with a ceramic wear-resistant coating, and the drag chain ring 2 is an alloy steel drag chain ring, so that the wear resistance of the drag chain ring 2 is ensured.

When the utility model is used, the device comprises the drag chain ring 2, under the action of the drag chain ring 2, the device can directly lift the step chain of the staircase, the outer drag chain device is not required to be independently installed, the parts of the escalator are reduced, the installation mechanism is installed in the installation hole 13 of the chain wheel plate 1, when the installation device is installed, the installation shaft 9 can be firstly fixedly sleeved in the bearing 6, then the bearing 6 is pressed into the lining ring 3 in a clamping way, finally the clamping block 7 on the lining ring 3 is clamped in the clamping groove 11 of the chain wheel plate 1, then the lining ring 3 is fixed by the bolt 5, at the moment, the installation shaft 9 is fixedly installed with the chain wheel plate 1, the chain wheel plate 1 can be rapidly installed on the installation shaft 9, the bearing 6 is not required to be pressed into the installation hole 13 of the clamping groove 11, the chain wheel plate 1 and the bearing 6 are greatly convenient to be assembled together, the installation efficiency of the staircase is improved, after the chain wheel teeth 8 on the chain wheel plate 1 are damaged, the lining ring 3 can be easily taken down from the chain wheel plate 1, the chain wheel plate 1 is convenient to replace after the chain wheel teeth 8 are damaged, the device is simple in structure, and the use is convenient.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A step sprocket for escalator is characterized in that: the chain wheel plate is characterized by comprising a chain wheel plate (1), a drag chain ring (2), chain wheel teeth (8) and an installing mechanism, wherein an installing hole (13) is formed in the center of one side face of the chain wheel plate (1), a plurality of groups of threaded holes (12) and a plurality of clamping grooves (11) are formed in the chain wheel plate (1), the clamping grooves (11) are communicated with the installing hole (13), the clamping grooves (11) and the threaded holes (12) are uniformly distributed in a hollow mode about the installing hole (13), the installing mechanism is installed in the installing hole (13), the chain wheel plate (1) is fixedly connected with the drag chain ring (2) on two corresponding side faces, and the chain wheel teeth (8) are formed in the outer wall of the chain wheel plate (1);

the mounting mechanism comprises a lining ring (3), a mounting plate (4), a bolt (5), a bearing (6), a clamping block (7), a sprocket (8) and a mounting shaft (9), the mounting shaft (9) is fixedly sleeved on an inner ring of the bearing (6), an outer ring of the bearing (6) is fixedly sleeved in the lining ring (3), the outer wall of the lining ring (3) is fixedly connected with a clamping block (7) matched with the clamping groove (11), the lining ring (3) is sleeved in the mounting hole (13) of the chain wheel plate (1), the clamping block (7) is clamped in a clamping groove (11) of the chain wheel plate (1), a plurality of mounting plates (4) are fixedly connected with the outer wall of the lining ring (3) close to one side surface of the lining ring (3) at uniform intervals, bolts (5) are mounted on the mounting plates (4) in a threaded manner, and one end of the bolt (5) is installed in a threaded hole (12) of the chain wheel plate (1) in a threaded manner.

2. The step sprocket for an escalator as claimed in claim 1, wherein: the chain wheel plate (1) is a tungsten steel chain wheel plate, a plurality of hollowed holes (10) are formed in one side face of the chain wheel plate (1), and the hollowed holes (10) are symmetrical about the hole centers of the mounting holes (13).

3. The step sprocket for an escalator as claimed in claim 1, wherein: the stainless steel gasket is installed with mounting panel (4) contact department in bolt (5), the nut is installed to the other end screw thread of bolt (5), the nut touches with sprocket plate (1).

4. The step sprocket for an escalator as claimed in claim 1, wherein: the lining ring (3) is a tungsten steel lining ring, and the inner wall and the outer wall of the lining ring (3) are both provided with anti-skid grains.

5. The step sprocket for an escalator as claimed in claim 1, wherein: the threaded holes (12) are six groups, the number of the threaded holes (12) in each group is two, and the number of the clamping grooves (11) is six.

6. The step sprocket for an escalator as claimed in claim 1, wherein: the outer wall of the drag chain ring (2) is sprayed with a ceramic wear-resistant coating, and the drag chain ring (2) is an alloy steel drag chain ring.