CN111332924A - Integrated internal driving main shaft device suitable for escalator or moving sidewalk - Google Patents
Integrated internal driving main shaft device suitable for escalator or moving sidewalk Download PDFInfo
- Publication number
- CN111332924A CN111332924A CN202010088866.8A CN202010088866A CN111332924A CN 111332924 A CN111332924 A CN 111332924A CN 202010088866 A CN202010088866 A CN 202010088866A CN 111332924 A CN111332924 A CN 111332924A
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- CN
- China
- Prior art keywords
- escalator
- hollow shaft
- driving
- chain wheel
- cylinder
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B23/00—Component parts of escalators or moving walkways
- B66B23/02—Driving gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
- B66D5/12—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes with axial effect
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
- B66D5/24—Operating devices
Abstract
The invention provides an integrated internal driving spindle device suitable for an escalator or a moving sidewalk, which comprises a power device, a transmission device and a fixing device, wherein the fixing device comprises a fixing support and a fixing shaft assembly, the transmission device is installed on the fixing support through the fixing shaft assembly, and the power device is arranged in the transmission device and can drive the transmission device to rotate around the fixing shaft assembly. The power device is arranged in the driving barrel, the structure is compact, the machine room space is saved, meanwhile, a driving chain wheel, a step chain wheel and a transmission chain in the prior art are omitted, the problem of environmental pollution caused by open-type driving chain wheel, step chain wheel and transmission chain lubricating oil is solved, the noise is reduced, the energy consumption is reduced, and the operation efficiency is improved.
Description
Technical Field
The invention relates to the technical field of escalators, in particular to an integrated internal driving spindle device suitable for escalators or moving sidewalks.
Background
The escalator is provided with circulating running steps and fixed electric driving equipment for conveying passengers upwards or downwards, consists of a stair way and handrails at two sides, and is widely applied to places where people flow is concentrated, such as stations, docks, markets, airports, underground railways and the like. However, due to civil or mechanical design, the machine room maintenance space for placing the escalator driving device is too small or no, so that higher requirements are put on the volume of the escalator driving device and the failure rate of the escalator driving device.
Patent document CN100537396C discloses a middle chain type step drive device for an escalator, which comprises a load step chain 3 and a step main rail 2 on which a step chain roller 32 in the load step chain 3 rolls; the escalator further comprises at least one set of chain wheel driving device arranged in the longitudinal middle of the escalator and connected with a power source, wherein the chain wheel driving device is positioned below the load step chain 3, and the driving chain 4 of the chain wheel driving device is provided with chain teeth capable of meshing with the load step chain 3. However, the device still has the characteristics of large volume and frequent maintenance of the driving device, and is not suitable for the situation that the machine room of the escalator driving device is designed to be small.
Disclosure of Invention
In view of the defects in the prior art, the invention aims to provide an integrated internal driving spindle device suitable for an escalator or a moving sidewalk.
The invention provides an integrated internal driving spindle device suitable for an escalator or a moving sidewalk, which comprises a power device 100, a transmission device 200 and a fixing device 300;
the fixing device 300 includes a fixing bracket 310 and a fixing shaft assembly 320;
the transmission 200 is mounted on the fixed bracket 310 by the fixed shaft assembly 320;
the power device 100 is arranged inside the transmission device 200 and is in driving connection with the transmission device 200;
as the power plant 100 rotates, the transmission 200 rotates about the fixed shaft assembly 320.
Preferably, the power plant 100 includes an electric motor 110, a planetary reducer 120, and a cycloidal-pin gear reducer 130;
one end of the planetary reducer 120 is connected with the motor 110, and the other end is connected with the cycloidal pin gear reducer 130;
the cycloidal pin gear reducer 130 can be rotated by the planetary reducer 120 when the motor 110 is rotated.
Preferably, the transmission 200 includes a driving cylinder 210, a first hollow shaft 220, a second hollow shaft 230, a first step driving sprocket 240, a second step driving sprocket 250, and a handrail driving sprocket 260;
one end of the first hollow shaft 220 is fixedly connected with the first step driving sprocket 240, the other end is fixedly connected with the left side of the driving cylinder 210, and the handrail driving sprocket 260 is arranged in the middle of the first hollow shaft 220;
one end of the second hollow shaft 230 is fixedly connected with the second step driving sprocket 250, and the other end is fixedly connected with the right side of the driving cylinder 210;
the driving cylinder 210 can be driven by the power device 100 to respectively drive the first step driving sprocket 240, the second step driving sprocket 250 and the handrail driving sprocket 260 to synchronously rotate through the first hollow shaft 220 and the second hollow shaft 230.
Preferably, the first hollow shaft 220 and the second hollow shaft 230 are respectively provided with a bearing assembly 270 inside;
the bearing assembly 270 employs a thrust bearing.
Preferably, the driving cylinder 210 is internally provided with a first inner supporting ring 211 and a second inner supporting ring 212.
Preferably, the power plant 100 further comprises an electromagnetic brake 140.
Preferably, the planetary gear reducer 120 and the cycloidal pin gear reducer 130 are connected by a connecting shaft 150.
Preferably, the driving cylinder 210 is internally provided with a driving cylinder ring gear 213.
Preferably, the drive cylinder 210 is internally provided with a coupling device 214.
Preferably, an accommodating space 400 is arranged between the driving cylinder 210 and the power device 100;
the accommodating space 400 is loaded with lubricating oil 410.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention solves the problem that the space for placing the integrated internal driving main shaft device in the escalator or the moving sidewalk is limited, has compact structure and saves the space of a machine room.
2. The whole power device 100 is arranged inside the driving cylinder 210, and meanwhile, a driving chain wheel, a step chain wheel and a transmission chain in the prior art are omitted, so that the problem of environmental pollution caused by open-type driving chain wheel, step chain wheel and transmission chain lubricating oil is solved, noise is reduced, energy consumption is reduced, and operation efficiency is improved.
3. The planetary reducer 120 and the cycloidal pin gear reducer 130 are in transmission connection through the connecting shaft 150, so that the failure rate is reduced, the maintenance frequency is low, and the defect of high maintenance frequency caused by the fact that a coupler is arranged for transmission is avoided.
4. The thrust bearings are arranged in the first hollow shaft 220 and the second hollow shaft 230, so that the radial and axial loads generated by the rotation of the first hollow shaft 220 and the second hollow shaft 230 driven by the motor 110 can be adapted, the product quality is improved, and the service life of the product is prolonged.
5. By arranging the electromagnetic brake 140, the running escalator can be stopped in time, the situation that the escalator 400 is reversed is prevented, the safety factor of the escalator 400 is improved, the running quality of the escalator is improved, and the practicability is high.
6. The cycloid pin gear speed reducer 130 can be effectively supported while being decelerated and driven by the coupling device 214, so that torsion generated in the rotation process of the cycloid pin gear speed reducer 130 is effectively avoided, and the operation quality and the product quality are improved.
7. Through in drive barrel 210 inside set up in first interior lock ring 211 and the second lock ring 212 can play the effect of effective support to drive barrel 210, increased drive barrel 210's intensity, improved product quality.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
fig. 3 is a schematic structural view of an escalator 400;
fig. 4 is a schematic structural diagram of an embodiment of the present invention.
The figures show that:
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.
According to the invention, as shown in fig. 1, the integrated internal driving spindle device suitable for an escalator or a moving walk comprises a power device 100, a transmission device 200 and a fixing device 300, wherein the fixing device 300 comprises a fixing bracket 310 and a fixing shaft assembly 320, the transmission device 200 is mounted on the fixing bracket 310 through the fixing shaft assembly 320, the power device 100 is arranged inside the transmission device 200 and is in driving connection with the transmission device 200, and the power device 100 can drive the transmission device 200 to rotate around the fixing shaft assembly 320. In a preferred embodiment, as shown in fig. 2, the transmission device 200 includes a driving cylinder 210, a first hollow shaft 220, a second hollow shaft 230, a first step driving sprocket 240, a second step driving sprocket 250, and a handrail driving sprocket 260, wherein one end of the first hollow shaft 220 is tightly connected to the first step driving sprocket 240, the other end is tightly connected to the left side of the driving cylinder 210, the handrail driving sprocket 260 is disposed at the middle portion of the first hollow shaft 220, one end of the second hollow shaft 230 is tightly connected to the second step driving sprocket 250, the other end is tightly connected to the right side of the driving cylinder 210, the driving cylinder 210 can drive the first step driving sprocket 240, the second step driving sprocket 250, and the handrail driving sprocket 260 to synchronously rotate through the first hollow shaft 220 and the second hollow shaft 230, respectively, under the driving of the power device 100, the power device 100 is disposed inside the driving cylinder 210, the structure is compact, the machine room space is saved, the parts such as the driving chain wheel, the step chain wheel and the transmission chain in the prior art are saved, the problem of environmental pollution caused by open-type driving chain wheel, step chain wheel and transmission chain lubricating oil is solved, the noise is reduced, the energy consumption is reduced, and the operation efficiency is improved.
Specifically, as shown in fig. 2, the fixed shaft assembly 320 is used for fixing and supporting the power device 100 and the transmission device 200, the fixed shaft assembly 320 includes a first fixed shaft 321 and a second fixed shaft 322, the first hollow shaft 220 and the second hollow shaft 230 are hollow shafts, and bearing assemblies 270 are disposed inside the first hollow shaft 220 and the second hollow shaft 230, respectively, wherein the bearing assemblies 270 include a first bearing 271, a second bearing 272, a third bearing 273 and a fourth bearing 274, the first bearing 271, the second bearing 272, the third bearing 273 and the fourth bearing 274 are thrust bearings, the first hollow shaft 220 is sleeved outside the first fixed shaft 321, and the first bearing 271 and the second bearing 272 are installed between the first hollow shaft 220 and the first fixed shaft 321 and disposed at two ends of the first hollow shaft 220; the third and fourth bearings 273 and 274 are installed between the second hollow shaft 230 and the second fixed shaft 322 and disposed at both ends of the second hollow shaft 230; when the power device 100 drives the transmission device 200 to synchronously rotate, the first hollow shaft 220 can circumferentially rotate around the first fixed shaft 321, the second hollow shaft 230 circumferentially rotates around the second fixed shaft 322, when the power device 100 rotates, a radial load and a larger axial load can be generated, and the thrust bearings arranged inside the first hollow shaft 220 and the second hollow shaft 230 can adapt to the axial load generated by the motor 110 driving the first hollow shaft 220 and the second hollow shaft 230 to rotate, so that the product quality is improved, and the service life of the product is prolonged.
Specifically, as shown in fig. 1 and 2, the power device 100 includes a motor 110, a planetary reducer 120, and a cycloidal pin gear reducer 130, the motor 110, the planetary reducer 120, and the cycloidal pin gear reducer 130 are sequentially installed inside a driving cylinder 210, the motor 110 includes a motor housing 111, the planetary reducer 120 includes a planetary reducer housing 121, one end of the motor 110 is fixedly connected to a first fixed shaft 321 through the motor housing 111, the other end of the motor 110 is fixedly connected to the planetary reducer housing 121 of the planetary reducer 120 through the motor housing 111, the planetary reducer 120 and the cycloidal pin gear reducer 130 are connected through a connecting shaft 150, and when the motor 110 rotates, the cycloidal pin gear reducer 130 can be driven to rotate by the planetary reducer 120. In a preferred embodiment, the motor housing 111 and the planetary reducer housing 121 are fastened and connected by bolts, the planetary reducer 120 performs a first-stage speed reduction, the cycloidal pin gear reducer 130 performs a second-stage speed reduction, and the rotation speed required by the escalator 400 is realized by two-stage speed reduction; the planetary reducer 120 and the cycloidal pin gear reducer 130 are connected through a connecting shaft 150, a connecting shaft key groove 151 is formed in the connecting shaft 150, and the planetary reducer 120 and the cycloidal pin gear reducer 130 are directly driven through the connecting shaft key groove 151 by additionally arranging a matched flat key, so that the defects of high failure rate and maintenance frequency caused by the fact that a conventional coupler is arranged for driving connection are overcome, the service life of the power device is prolonged, and the maintenance frequency is reduced.
Specifically, the inside of the driving cylinder 210 is provided with a first inner supporting ring 211 and a second inner supporting ring 212, in a preferred embodiment, as shown in fig. 2, the driving cylinder 210 is a cylindrical cylinder, the first annular inner supporting ring 211 is arranged at one end inside the driving cylinder 210, the second annular inner supporting ring 212 is arranged at the other end inside the driving cylinder 210, and the first inner supporting ring 211 and the second inner supporting ring 212 arranged inside the driving cylinder 210 can effectively support the driving cylinder 210, so that the strength of the driving cylinder 210 is increased, and the product quality is improved.
Specifically, as shown in fig. 1 and 2, the power device 100 further includes an electromagnetic brake 140. In a preferred embodiment, after the power device 100 is powered on, the electromagnetic brake 140 is turned on, the motor 110 rotates, the driving cylinder 210 is internally provided with the driving cylinder gear ring 213, the motor 110 is decelerated in two stages by the planetary reducer 120 and the cycloidal pin gear reducer 130, the rotation of the motor 110 simultaneously drives the cycloidal pin gear reducer 130 to rotate, at this time, the cycloidal pin gear reducer 130 rotates to drive the driving cylinder 210 to rotate by the driving cylinder gear ring 213, the driving cylinder 210 is respectively and fixedly connected with the first hollow shaft 220 and the second hollow shaft 230, the rotation of the driving cylinder 210 drives the first hollow shaft 220 and the second hollow shaft 230 to synchronously rotate, at the same time, the first step driving sprocket 240, the second step driving sprocket 250 and the handrail driving sprocket 260 also simultaneously rotate, at this time, the first step driving sprocket 240 and the second step driving sprocket 250 synchronously drive the ladder path 410 to move, the handrail belt driving chain wheel 260 drives the handrail 420 to move; after the power device 100 is powered off, the motor 110 stops rotating, the electromagnetic brake 140 is turned off, and simultaneously the cycloid pin gear reducer 130, the driving cylinder 210, the first hollow shaft 220, the second hollow shaft 230, the first step driving sprocket 240, the second step driving sprocket 250 and the handrail driving sprocket 260 also stop rotating, as shown in fig. 3, the ladder path 410 and the handrail 420 also stop moving at the same time, and because the electromagnetic brake 140 is turned off, the situation that the escalator 400 which stops running is reversed can be effectively prevented, the safety factor of the escalator 400 is improved, the running quality of the escalator is improved, and the practicability is strong.
Specifically, as shown in fig. 2, the driving cylinder 210 is internally provided with a coupling device 214. In a preferred embodiment, the cycloidal pin gear reducer 130 comprises a cycloidal transmission assembly 131 and a cycloidal support assembly 132, wherein one end of the coupling device 214 is fixedly connected with the second fixed shaft 322, and the other end of the coupling device 214 is fixedly connected with the cycloidal support assembly 132, so that the cycloidal pin gear reducer 130 can be effectively supported while being decelerated and transmitted by the coupling device 214, torsion generated in the rotation process of the cycloidal pin gear reducer 130 is effectively avoided, and the operation quality and the product quality are improved.
Specifically, an accommodating space 400 is provided between the driving cylinder 210 and the power device 100, the accommodating space 400 is loaded with lubricating oil 410, the motor 110 in the power device 100 is disposed in the accommodating space 400, the motor 110 can generate a large amount of heat during operation, and the lubricating oil 410 loaded in the accommodating space 400 dissipates heat to ensure the normal operation of the motor 110.
Specifically, as shown in fig. 2 and 4, the dimensional design according to an embodiment of the present invention is shown, wherein the dimensional unit in the drawing is mm, wherein the overall length is 1390 mm, the diameter of the drive cylinder 210 is 320 mm, the length of the drive cylinder 210 is 700 mm, the distance between the first step drive sprocket 240 and the second step drive sprocket 250 is 1080 mm, the distance between the first step drive sprocket 240 and the handrail belt drive sprocket 260 is 103 mm, the distance between the second step drive sprocket 250 and the drive cylinder 210 is 103 mm, and the distance between the handrail belt drive sprocket 260 and the drive cylinder 210 is 128 mm.
The working principle of the invention is as follows:
when the power device 100 is powered on, the electromagnetic brake 140 is turned on, the motor 110 starts to rotate, the motor 110 performs two-stage speed reduction through the planetary speed reducer 120 and the cycloidal pin gear speed reducer 130 to enable the rotating speed of the cycloidal pin gear speed reducer 130 to be suitable for the rotating speed of the ladder way 410, a driving cylinder gear ring 213 is arranged inside the driving cylinder 210, the motor 110 rotates and simultaneously drives the cycloidal pin gear speed reducer 130 to rotate, at the moment, the cycloidal pin gear speed reducer 130 rotates to drive the driving cylinder 210 to rotate through the driving cylinder gear ring 213, the driving cylinder 210 is respectively and fixedly connected with the first hollow shaft 220 and the second hollow shaft 230, the rotation of the driving cylinder 210 drives the first hollow shaft 220 and the second hollow shaft 230 to synchronously rotate, the first step driving sprocket 240, the second step driving sprocket 250 and the handrail driving sprocket 260 also synchronously rotate, at the moment, the first step driving sprocket 240 and the second step driving sprocket 250 synchronously, the handrail belt driving chain wheel 260 drives the handrail 420 to move, and because the first hollow shaft 220 and the second hollow shaft 230 are respectively internally provided with the bearing assemblies 270 and respectively sleeved on the first fixed shaft 321 and the second fixed shaft 322, when the first hollow shaft 220 and the second hollow shaft 230 synchronously rotate, the first fixed shaft 321 and the second fixed shaft 322 play a good role in supporting, so that the whole device is more stable and efficient in operation; when the power device 100 is powered off, the motor 110 stops rotating, the electromagnetic brake 140 is turned off, and the cycloid pin gear reducer 130, the driving cylinder 210, the first hollow shaft 220, the second hollow shaft 230, the first step driving sprocket 240, the second step driving sprocket 250 and the handrail driving sprocket 260 also stop rotating at the same time, as shown in fig. 3, at which time the ladder way 410 and the handrail 420 also stop moving.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
1. An integrated internal driving spindle device suitable for an escalator or a moving pavement, which is characterized by comprising a power device (100), a transmission device (200) and a fixing device (300);
the fixing device (300) comprises a fixing bracket (310) and a fixing shaft assembly (320);
the transmission device (200) is arranged on the fixed bracket (310) through a fixed shaft assembly (320);
the power device (100) is arranged inside the transmission device (200) and is in driving connection with the transmission device (200);
when the power device (100) rotates, the transmission device (200) rotates around the fixed shaft assembly (320).
2. An integrated inner drive spindle unit for an escalator or moving walkway according to claim 1, wherein the power unit (100) comprises an electric motor (110), a planetary reducer (120) and a cycloidal pin gear reducer (130);
one end of the planetary reducer (120) is connected with the motor (110), and the other end of the planetary reducer is connected with the cycloidal pin gear reducer (130);
when the motor (110) rotates, the cycloidal pin gear reducer (130) can be driven to rotate by the planetary reducer (120).
3. The integrated inner drive spindle device for an escalator or a moving walkway according to claim 1, wherein the transmission (200) comprises a drive cylinder (210), a first hollow shaft (220), a second hollow shaft (230), a first step drive sprocket (240), a second step drive sprocket (250), and a handrail belt drive sprocket (260);
one end of the first hollow shaft (220) is fixedly connected with the first step driving chain wheel (240), the other end of the first hollow shaft is fixedly connected with the left side end of the driving cylinder body (210), and the handrail driving chain wheel (260) is arranged in the middle of the first hollow shaft (220);
one end of the second hollow shaft (230) is fixedly connected with the second step driving chain wheel (250), and the other end of the second hollow shaft is fixedly connected with the right side end of the driving cylinder (210);
the driving cylinder (210) can drive the first step driving chain wheel (240), the second step driving chain wheel (250) and the handrail driving chain wheel (260) to synchronously rotate through the first hollow shaft (220) and the second hollow shaft (230) respectively under the driving of the power device (100).
4. The integrated inner drive spindle device for an escalator or a moving walkway according to claim 3, wherein the first and second hollow shafts (220, 230) are provided with bearing assemblies (270) inside, respectively;
the bearing assembly (270) employs a thrust bearing.
5. An integrated inner drive spindle unit for an escalator or moving walkway according to claim 3, wherein the drive cylinder (210) is internally provided with a first inner support ring (211) and a second inner support ring (212).
6. An integrated inner drive spindle unit for an escalator or moving walkway according to claim 2, wherein the power unit (100) further comprises an electromagnetic brake (140).
7. An integrated inner drive spindle unit for an escalator or moving walkway according to claim 2, wherein the planetary reducer (120) and cycloidal pin gear reducer (130) are connected by a connecting shaft (150).
8. An integrated inner drive spindle unit for an escalator or moving walkway according to claim 3, wherein the drive cylinder (210) is internally provided with a drive cylinder toothing (213).
9. An integrated inner drive spindle unit for an escalator or moving walkway according to claim 3, wherein the drive cylinder (210) is internally provided with a coupling device (214).
10. The integrated inner drive spindle device for escalators or moving walkways according to claim 3, wherein an accommodating space (400) is provided between the drive cylinder (210) and the power unit (100);
the accommodating space (400) is loaded with lubricating oil (410).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010088866.8A CN111332924A (en) | 2020-02-12 | 2020-02-12 | Integrated internal driving main shaft device suitable for escalator or moving sidewalk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010088866.8A CN111332924A (en) | 2020-02-12 | 2020-02-12 | Integrated internal driving main shaft device suitable for escalator or moving sidewalk |
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| Publication Number | Publication Date |
|---|---|
| CN111332924A true CN111332924A (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010088866.8A Pending CN111332924A (en) | 2020-02-12 | 2020-02-12 | Integrated internal driving main shaft device suitable for escalator or moving sidewalk |
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| Country | Link |
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| CN (1) | CN111332924A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114244000A (en) * | 2022-01-21 | 2022-03-25 | 深圳市富隆达电梯有限公司 | Heat dissipation auxiliary device for elevator driving motor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203865784U (en) * | 2014-05-04 | 2014-10-08 | 周知日 | Cycloidal-pin wheel elevator traction machine |
| CN205222411U (en) * | 2015-06-10 | 2016-05-11 | 东芝电梯株式会社 | Passenger conveyer |
-
2020
- 2020-02-12 CN CN202010088866.8A patent/CN111332924A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203865784U (en) * | 2014-05-04 | 2014-10-08 | 周知日 | Cycloidal-pin wheel elevator traction machine |
| CN205222411U (en) * | 2015-06-10 | 2016-05-11 | 东芝电梯株式会社 | Passenger conveyer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114244000A (en) * | 2022-01-21 | 2022-03-25 | 深圳市富隆达电梯有限公司 | Heat dissipation auxiliary device for elevator driving motor |
| CN114244000B (en) * | 2022-01-21 | 2022-09-06 | 深圳市富隆达电梯有限公司 | Heat dissipation auxiliary device for elevator driving motor |
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Application publication date: 20200626 |
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