CN214192182U - Chain wheel mechanism of escalator - Google Patents
Chain wheel mechanism of escalator Download PDFInfo
- Publication number
- CN214192182U CN214192182U CN202023308524.7U CN202023308524U CN214192182U CN 214192182 U CN214192182 U CN 214192182U CN 202023308524 U CN202023308524 U CN 202023308524U CN 214192182 U CN214192182 U CN 214192182U
- Authority
- CN
- China
- Prior art keywords
- ring portion
- inner ring
- outer ring
- escalator
- wheel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Gears, Cams (AREA)
Abstract
The utility model discloses a chain wheel mechanism of an escalator, which comprises a supporting shaft and a rotating component, wherein the rotating component comprises a main driving chain wheel and a step chain wheel, the main driving chain wheel comprises a first wheel body, the first wheel body is provided with a first inner ring part, a first middle part and a first outer ring part which are sequentially arranged along the gradually-distant supporting shaft, the outer peripheral surface of the first outer ring part is provided with a first wheel tooth structure, the step chain wheel comprises a second wheel body, the second wheel body is provided with a second inner ring part which is sequentially arranged along the gradually-distant supporting shaft, the outer peripheral surface of the second outer ring portion is provided with a second gear tooth structure, the first inner ring portion and the second inner ring portion are attached together and fixedly connected, the first outer ring portion and the second outer ring portion are arranged at intervals, and the axial distance between the first inner ring portion and the second inner ring portion is smaller than the axial distance between the first inner ring portion and the second outer ring portion. The utility model discloses carried out the cantilever design to the step sprocket, hang out and reduce the volume of main drive sprocket with the plane of main drive sprocket installation.
Description
Technical Field
The utility model belongs to the technical field of the automatic escalator, concretely relates to automatic escalator's sprocket mechanism.
Background
The escalator is more and more widely applied, and enterprises pay more and more attention to the cost of the escalator. The requirements of escalator complete machine manufacturers on compatibility are higher and higher. The escalator upper assembly is an indispensable large component of the escalator. The traction machine drives the upper assembly to drive to run through the main driving chain wheel, and the driving running drives the step chain to run, so that the steps are driven to go up and down. The main driving chain wheel on the drive is connected with the step chain wheel through a screw rod. In order to ensure the compatibility of the steps, at least 100 thousands of aluminum alloy step molds are required to be invested in one pair of aluminum alloy step molds, namely the width of the steps and the spacing size of the auxiliary wheels are not changed, and the two step chain wheels are driven to be consistent in opening. The opening size of the step chain wheel in the prior art is generally 1203 mm. Referring to fig. 1, as shown in the figure, the sprocket mechanism of the escalator includes a supporting shaft 10 and a rotating assembly rotatably connected to the supporting shaft 10, the rotating assembly includes a main driving sprocket 20 and a step sprocket 30 respectively sleeved outside the supporting shaft 10 at different positions along an axial direction, the main driving sprocket 20 includes a first wheel body having a first inner ring portion 21, a first middle portion 22 and a first outer ring portion 23 sequentially arranged along the gradually-distant supporting shaft 10, an outer circumferential surface of the first outer ring portion 23 is provided with a first gear structure, the step sprocket 30 includes a second wheel body having a second inner ring portion 31, a second middle portion 32 and a second outer ring portion 33 sequentially arranged along the gradually-distant supporting shaft 10, an outer circumferential surface of the second outer ring portion 33 is provided with a second gear structure, the first inner ring portion 21 and the second inner ring portion 31 are attached together and fixedly connected, the first outer ring portion 23 and the second outer ring portion 33 are arranged at a distance, the axial distance between the first inner ring portion 21 and the second inner ring portion 31 is equal to the axial distance between the first inner ring portion 21 and the second outer ring portion 33.
As the lifting height of the escalator is increased, the power of the tractor is increased, the number of rows of the main chain wheel connecting the tractor and the main driving chain wheel is increased, and two rows are changed into three rows. The main driving sprocket is also changed from 2 rows of teeth to 3 rows of teeth, and the increase of the number of teeth will cause the increase of the volume and the cost of the main driving sprocket.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automatic escalator's sprocket mechanism can reduce the volume and the cost of main drive sprocket.
In order to achieve the above object, the present invention provides the following technical solutions: a chain wheel mechanism of an escalator comprises a supporting shaft and a rotatable rotating assembly connected to the supporting shaft, wherein the rotating assembly comprises a main driving chain wheel and a step chain wheel which are respectively sleeved on the supporting shaft along the outer sides of different axial positions, the main driving chain wheel comprises a first wheel body, the first wheel body is provided with a first inner ring portion, a first middle portion and a first outer ring portion which are sequentially arranged along the supporting shaft, the outer peripheral surface of the first outer ring portion is provided with a first gear structure, the step chain wheel comprises a second wheel body, the second wheel body is provided with a second inner ring portion, a second middle portion and a second outer ring portion which are sequentially arranged along the supporting shaft, the outer peripheral surface of the second outer ring portion is provided with a second gear structure, the first inner ring portion and the second inner ring portion are attached together and fixedly connected, and the first outer ring portion and the second outer ring portion are arranged at intervals,
the second inner ring portion is offset from the second outer ring portion in a direction toward the first wheel body, and an axial distance between the second inner ring portion and the first inner ring portion is smaller than an axial distance between the second outer ring portion and the first inner ring portion.
Furthermore, the second wheel body is integrally formed.
Further, the second inner ring portion and the second outer ring portion are both in a ring plate shape, the second middle portion is in a cone shape, a small end of the second middle portion is close to the first wheel body, a large end of the second middle portion is far away from the first wheel body, the second inner ring portion is connected with the small end of the second middle portion, and the second outer ring portion is connected with the large end of the second middle portion.
Further, the taper angle of the second intermediate portion is 90 to 120 degrees.
Further, the thickness dimension of the second inner ring portion, the thickness dimension of the second intermediate portion, and the thickness dimension of the second outer ring portion are uniform.
Further, the first inner ring portion, the first intermediate portion, and the first outer ring portion are each in the shape of a ring plate.
Further, the first inner ring portion has an axial dimension larger than that of the first intermediate portion, and the first outer ring portion has an axial dimension larger than that of the first intermediate portion.
Further, the first intermediate portion is connected to the first inner ring portion at a middle position in the axial direction, and the first intermediate portion is connected to the first outer ring portion at a middle position in the axial direction.
Further, an axial dimension of the first outer race portion is greater than an axial dimension of the first inner race portion.
Furthermore, the first gear tooth structure is a three-row gear tooth structure, and the second gear tooth structure is a single-row gear tooth structure.
Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
1. the chain wheel mechanism of the escalator provided by the utility model, the step chain wheel is designed into a cantilever, and a plane installed with the main driving chain wheel is suspended, so that the volume of the main driving chain wheel is reduced;
2. in order to match the change of a double-row chain into a three-row chain, the main driving sprocket is changed into three rows of teeth from double-row teeth, but the plane mounted with the step sprocket is thinned, so that the volume of the main driving sprocket is controlled, and the product cost is saved.
Drawings
Fig. 1 is a schematic view of a sprocket mechanism of an escalator in the prior art;
fig. 2 is a schematic view of the chain wheel mechanism of the escalator disclosed in the present invention.
10, supporting a shaft; 20. a main drive sprocket; 21. a first inner ring portion; 22. a first intermediate portion; 23. a first outer ring portion; 24. a first gear tooth structure; 30. a step sprocket; 31. a second inner ring portion; 32. a second intermediate portion; 33. a second outer ring portion; 34. a second gear tooth structure;
40. a support shaft; 50. a main drive sprocket; 51. a first inner ring portion; 52. a first intermediate portion; 53. a first outer ring portion; 54. a first gear tooth structure; 60. a step sprocket; 61. a second inner ring portion; 62. a second intermediate portion; 63. a second outer ring portion; 64. a second gear tooth structure.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following is a preferred embodiment of the present invention, but is not intended to limit the scope of the present invention.
Example one
Referring to fig. 2, as shown in the figure, a sprocket mechanism of an escalator comprises a supporting shaft 40 and a rotating assembly rotatably connected to the supporting shaft 40, wherein the rotating assembly comprises a main driving sprocket 50 and a step sprocket 60 respectively sleeved outside the supporting shaft 40 at different positions along the axial direction, the main driving sprocket 50 comprises a first wheel body 54, the first wheel body is provided with a first inner ring portion 51, a first middle portion 52 and a first outer ring portion 53 which are sequentially arranged along the gradually-distant supporting shaft 40, the outer circumferential surface of the first outer ring portion is provided with a first gear structure, the step sprocket 60 comprises a second wheel body, the second wheel body is provided with a second inner ring portion 61, a second middle portion 62 and a second outer ring portion 63 which are sequentially arranged along the gradually-distant supporting shaft 40, the outer circumferential surface of the second outer ring portion 63 is provided with a second gear structure 64, the first inner ring portion 51 is attached to the second inner ring portion 61 and fixedly connected, the arrangement of the first and second outer ring portions 53 and 63 with a spacing distance therebetween,
the second inner race portion 61 is offset from the second outer race portion 63 in a direction toward the first wheel, and an axial distance between the second inner race portion 61 and the first inner race portion 51 is smaller than an axial distance between the second outer race portion 63 and the first inner race portion 51.
In a preferred embodiment of this embodiment, the second wheel is integrally formed.
In a preferred embodiment of the present embodiment, the second inner and outer race portions 61 and 63 are each in the form of a ring plate, the second intermediate portion 62 has a tapered tubular shape, the small end of the second intermediate portion 62 is located close to the first wheel, the large end of the second intermediate portion 62 is located away from the first wheel, the second inner race portion 61 is in contact with the small end of the second intermediate portion 62, and the second outer race portion 63 is in contact with the large end of the second intermediate portion 62.
In a preferred embodiment of this embodiment, the second intermediate portion 62 has a taper angle of 90 to 120 degrees.
In a preferred embodiment of the present embodiment, the thickness of the second inner ring portion 61, the thickness of the second intermediate portion 62, and the thickness of the second outer ring portion 63 are the same.
In a preferred embodiment of the present embodiment, the first inner ring portion 51, the first intermediate portion 52, and the first outer ring portion 53 are each in the shape of a ring plate.
In the preferred embodiment of the present embodiment, the first inner ring portion 51 has an axial dimension larger than that of the first intermediate portion 52, and the first outer ring portion 53 has an axial dimension larger than that of the first intermediate portion 52.
In a preferred embodiment of the present embodiment, the first intermediate portion 52 is connected to the first inner ring portion 51 at a position midway in the axial direction, and the first intermediate portion 52 is connected to the first outer ring portion 53 at a position midway in the axial direction.
In a preferred embodiment of this embodiment, the first outer ring portion 53 has an axial dimension greater than that of the first inner ring portion 51.
In the preferred embodiment of this embodiment, the first gear tooth structure 54 is a three-row gear tooth structure and the second gear tooth structure 64 is a single-row gear tooth structure.
In this embodiment, through the shape that changes the step sprocket, under the prerequisite of the first teeth of a cogwheel structure of guaranteeing the main drive sprocket and the distance of the second teeth of a cogwheel structure of step sprocket, three rows of wheel teeth sprockets have only increased the axial dimensions of main drive sprocket outer lane portion for two rows of teeth of a cogwheel sprockets, and the axial dimensions of inner lane portion does not increase, has realized the contact installation cooperation between main drive sprocket and the step sprocket promptly through changing the shape of the inner lane portion of step sprocket.
The public transportation type high-altitude escalator in the market has more and more projects, new designs and new bright spots are in endless, but the public transportation type high-altitude escalator has good compatibility and few projects which can well control the cost, and the projects are worthy of popularization.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention, including by way of illustration of the disclosed embodiments. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A chain wheel mechanism of an escalator comprises a supporting shaft and a rotatable rotating assembly connected to the supporting shaft, wherein the rotating assembly comprises a main driving chain wheel and a step chain wheel which are respectively sleeved on the supporting shaft along the outer sides of different axial positions, the main driving chain wheel comprises a first wheel body, the first wheel body is provided with a first inner ring portion, a first middle portion and a first outer ring portion which are sequentially arranged along the supporting shaft, the outer peripheral surface of the first outer ring portion is provided with a first gear structure, the step chain wheel comprises a second wheel body, the second wheel body is provided with a second inner ring portion, a second middle portion and a second outer ring portion which are sequentially arranged along the supporting shaft, the outer peripheral surface of the second outer ring portion is provided with a second gear structure, the first inner ring portion and the second inner ring portion are attached together and fixedly connected, and the first outer ring portion and the second outer ring portion are arranged at intervals,
the second inner ring portion is offset from the second outer ring portion in a direction toward the first wheel, and an axial distance between the second inner ring portion and the first inner ring portion is smaller than an axial distance between the second outer ring portion and the first inner ring portion.
2. A sprocket gear for an escalator as claimed in claim 1, wherein the second wheel body is integrally formed.
3. A sprocket gear for an escalator as claimed in claim 1, wherein the second inner and outer ring portions are each in the form of a ring plate, the second intermediate portion is in the form of a tapered cylinder, a small end of the second intermediate portion is located close to the first wheel, a large end of the second intermediate portion is located away from the first wheel, the second inner ring portion is contiguous with the small end of the second intermediate portion, and the second outer ring portion is contiguous with the large end of the second intermediate portion.
4. A sprocket gear according to claim 3, wherein the second intermediate portion has a taper angle of 90-120 °.
5. A sprocket gear of an escalator as claimed in claim 3, wherein a thickness dimension of said second inner ring portion, a thickness dimension of said second intermediate portion, and a thickness dimension of said second outer ring portion are uniform.
6. The escalator sprocket gear according to claim 1, wherein the first inner ring portion, the first intermediate portion, and the first outer ring portion are each in the form of a ring plate.
7. A sprocket gear for an escalator as claimed in claim 1, wherein the first inner race portion has an axial dimension greater than that of the first intermediate portion, and the first outer race portion has an axial dimension greater than that of the first intermediate portion.
8. The escalator sprocket gear according to claim 7, wherein the first intermediate portion is connected to the first inner race portion at a mid-section position in the axial direction, and the first intermediate portion is connected to the first outer race portion at a mid-section position in the axial direction.
9. A sprocket gear for an escalator as claimed in claim 1, wherein the first outer race portion has an axial dimension greater than an axial dimension of the first inner race portion.
10. A sprocket gear assembly for an escalator as claimed in claim 1, wherein the first tooth formation is a three-row tooth formation and the second tooth formation is a single-row tooth formation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023308524.7U CN214192182U (en) | 2020-12-30 | 2020-12-30 | Chain wheel mechanism of escalator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023308524.7U CN214192182U (en) | 2020-12-30 | 2020-12-30 | Chain wheel mechanism of escalator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214192182U true CN214192182U (en) | 2021-09-14 |
Family
ID=77633394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023308524.7U Active CN214192182U (en) | 2020-12-30 | 2020-12-30 | Chain wheel mechanism of escalator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214192182U (en) |
-
2020
- 2020-12-30 CN CN202023308524.7U patent/CN214192182U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214192182U (en) | Chain wheel mechanism of escalator | |
| CN201313616Y (en) | Bicycle chain plate | |
| CN208311432U (en) | A kind of built-up gear for automobile engine using new energy resources | |
| CN202531775U (en) | Two-wheel rotary extrusion pulley | |
| CN205915868U (en) | Motorcycle aluminum alloy wheel hub of three formulas | |
| CN210949786U (en) | NGWN type reduction gearbox of single-tooth planet wheel | |
| CN201272196Y (en) | Agricultural machine wheel | |
| CN210595053U (en) | Lifting device for stacker crane | |
| CN203560392U (en) | Chain wheel | |
| CN206929245U (en) | Batch (-type) clutch | |
| CN202065446U (en) | Chain wheel | |
| CN205908451U (en) | Gear pump | |
| CN216994734U (en) | Novel bicycle flywheel disc | |
| CN205089824U (en) | Motor transmission bearing and transmission rear cover | |
| CN217355473U (en) | Metal plate spinning multi-tooth belt pulley | |
| CN2373629Y (en) | Quadrangle snap chain | |
| CN214404610U (en) | Wheel reduction gear for high-leg vehicle | |
| CN217627207U (en) | Arm assembly is embraced to monorail crane drive division | |
| CN220409834U (en) | Paper bag handle rope cutting device | |
| CN210715884U (en) | Powder metallurgy planet carrier | |
| CN213332318U (en) | Novel oil type adjusting ring assembly structure is stored up in direction | |
| CN220904555U (en) | Three-piece type cross-size rim for hub | |
| CN219188584U (en) | High-pressure casting die for hub with brake parts | |
| CN221120788U (en) | High-toughness roller chain | |
| CN216370086U (en) | Disc ingot casting machine convenient to maintain |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |