CN111188891A - Improved motor belt pulley for elevator door machine - Google Patents
Improved motor belt pulley for elevator door machine Download PDFInfo
- Publication number
- CN111188891A CN111188891A CN202010139602.0A CN202010139602A CN111188891A CN 111188891 A CN111188891 A CN 111188891A CN 202010139602 A CN202010139602 A CN 202010139602A CN 111188891 A CN111188891 A CN 111188891A
- Authority
- CN
- China
- Prior art keywords
- wheel plate
- pulley
- pulley body
- outer wheel
- plate
- 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.)
- Pending
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/30—Chain-wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/02—Door or gate operation
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pulleys (AREA)
Abstract
The invention discloses an improved motor belt pulley for an elevator door machine, which is characterized by comprising a belt pulley body, an outer wheel plate and an inner wheel plate, wherein the outer wheel plate and the inner wheel plate are respectively and rigidly connected with the belt pulley body; the small end of the inner taper hole is close to one end of the outer wheel plate; and a bolt through hole is processed in the center of the outer wheel plate. The invention has high precision of cone fit coaxiality, good tightness, adjustable clearance or interference, capability of transmitting torque by using friction force and more stable and reliable torque transmission.
Description
Technical Field
The invention belongs to the technical field of elevators, and particularly relates to an improved motor belt pulley for an elevator door machine.
Background
In the present elevator, the belt pulley and the motor rotating shaft have the following installation modes:
1. the belt pulley and the motor rotating shaft are in hot press fit, namely the belt pulley is heated and then is in hot press fit on the motor rotating shaft.
2. The belt pulley is matched with the motor rotating shaft through a key, a key groove is milled on the rotating shaft, and the belt pulley is connected with the motor rotating shaft through the key.
3. The two modes are combined or are assisted by bolt fastening.
The above method has the following defects:
1. the belt pulley is difficult to disassemble in a hot-pressing assembling mode;
2. the key connection and key groove processing technology have high requirements, the matching position needs to be adjusted during key assembly, the working time is wasted, and the belt pulley is difficult to disassemble.
Disclosure of Invention
The invention aims to solve the technical problem of providing an improved motor belt pulley for an elevator door machine aiming at the problems existing in the assembly between the belt pulley and a motor rotating shaft.
The technical problem to be solved by the invention can be realized by the following technical scheme:
the improved motor belt pulley for the elevator door machine comprises a belt pulley body, an outer wheel plate and an inner wheel plate, wherein the outer wheel plate and the inner wheel plate are respectively and rigidly connected with the belt pulley body; the small end of the inner taper hole is close to one end of the outer wheel plate; and a bolt through hole is processed in the center of the outer wheel plate.
In a preferred embodiment of the present invention, the outer circumferential diameter of the outer wheel plate is larger than the outer circumferential diameter of the pulley body; the inner surface of the outer wheel plate is connected with the outer end face of the belt wheel body into a whole.
In a preferred embodiment of the present invention, a groove is provided on an inner surface of the outer wheel plate, and a boss is provided on an outer end surface of the pulley body, the boss being embedded in the groove so that the outer wheel plate is rigidly connected to the pulley body; the small end of the inner taper hole is positioned at one end of the outer wheel plate.
In a preferred embodiment of the present invention, an outer wheel plate groove is provided on an outer end surface of the pulley body, and the outer wheel plate is embedded into the outer wheel plate groove so that the outer wheel plate is rigidly connected with the pulley body; the small end of the inner taper hole is positioned at one end of the outer wheel plate.
In a preferred embodiment of the present invention, an outer wheel rib boss is arranged on the outer end surface of the pulley body, an outer wheel rib is rigidly embedded on the outer wheel rib boss, and the outer circumference diameter of the outer wheel rib is larger than that of the pulley body.
In a preferred embodiment of the present invention, the bolt through hole is coaxial with the inner tapered hole.
In a preferred embodiment of the present invention, the pulley further comprises an inner wheel plate rigidly connected to an inner end of the pulley body.
In a preferred embodiment of the present invention, a hole matched with the outer circumference of the pulley body is arranged in the inner wheel plate; the inner end of the outer circumference of the belt pulley body is embedded into the hole on the inner wheel plate in an interference fit mode, so that the inner wheel plate is rigidly connected with the belt pulley body; the big end of the inner taper hole is positioned at one end of the inner wheel plate.
In a preferred embodiment of the present invention, the inner end surface of the pulley body is flush with the outer end surface of the inner wheel plate.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following advantages:
1. the installation mode is simple and easy;
2. the improved motor belt pulley of the door elevator and the solid rotating shaft of the motor are in conical fit, the coaxiality precision is high, the tightness is good, the gap or interference is adjustable, the torque can be transmitted by using the friction force, and the torque transmission is more stable and reliable;
3. the improved door machine motor belt pulley and the solid rotating shaft of the motor are matched in a conical manner for convenient installation, so that the labor intensity of installation workers is greatly reduced, the working time is saved, special equipment of a press-in method or a temperature difference method is not needed, and the production cost is reduced.
4. The improved motor belt pulley of the elevator door machine is convenient to disassemble and maintain, and the practicability of the product is improved.
Drawings
Fig. 1 is a schematic structural view of an improved motor pulley of an elevator door machine according to embodiment 1 of the present invention, viewed from one direction.
Fig. 2 is a schematic structural view of an improved motor pulley of an elevator door machine according to embodiment 1 of the present invention, viewed from another direction.
Fig. 3 is a schematic structural view of a motor in embodiment 1 of the present invention.
Fig. 4 is an assembly view of the pulley of the improved door motor and the solid rotating shaft of the motor for the elevator door machine of embodiment 1 of the present invention.
Fig. 5 is an assembly view of the improved door motor pulley and the solid rotating shaft of the motor for an elevator door machine according to embodiment 3 of the present invention.
Fig. 6 is an assembly view of the improved door motor pulley and the solid rotating shaft of the motor for an elevator door machine according to embodiment 4 of the present invention.
Detailed Description
The invention is further described below in conjunction with the appended drawings and detailed description.
Example 1
Referring to fig. 1 and 2, the improved door motor pulley is shown to include an outer pulley plate 100, a pulley body 200, and an inner pulley plate 300.
An inner taper hole 210 is formed at the center of the pulley body 200, and wedge-shaped gear teeth 220 are uniformly formed on the outer circumferential surface of the pulley body 200.
A bolt through-hole 110 is formed at the center of the outer wheel plate 100 such that the outer circumferential diameter of the outer wheel plate 100 is greater than the outer circumferential diameter of the pulley body 200.
The outer circumference of the inner wheel plate 300 is also larger than the outer circumference of the pulley body 200, and a hole 310 matching the outer circumference of the pulley body 200 is formed in the inner wheel plate 300.
When the improved door machine motor pulley is assembled, the inner end of the outer circumference of the pulley body 200 is embedded into the hole 310 on the inner wheel plate 300 in an interference fit mode.
Referring to fig. 3, the rotating shaft of the rotor of the door motor 400 of this embodiment is a solid rotating shaft 410, a conical surface 420 matched with the inner conical hole 210 of the pulley body 200 is formed on the outer peripheral surface of the shaft extension end of the solid rotating shaft 410, and a threaded blind hole 430 is formed in the center of the outer end surface of the solid rotating shaft 410.
Referring to fig. 4, when the improved door motor pulley of this embodiment is assembled with the solid rotary shaft 410, the solid rotary shaft 410 is inserted into the inner tapered hole 210 of the pulley body 200 of the improved door motor pulley and the conical surface 420 of the solid rotary shaft 410 is tightly fitted with the inner tapered hole 210. Then, the outer wheel plate 100 is pressed on the outer end face of the pulley body 200 and the outer end face of the solid rotating shaft 410, the bolt through hole 110 on the outer wheel plate 100 and the threaded blind hole 430 in the center of the solid rotating shaft 410 are aligned, and a fastening bolt 510 is used for sleeving the spring washer 520, penetrating through the bolt through hole 110, and then being screwed into the threaded blind hole 430 and fastened, so that the improved motor pulley of the gantry crane is tightly connected with the rotor.
When assembled, the small end of the internal tapered bore 210 is located at one end of the outer wheel plate 100 and the large end of the internal tapered bore 210 is located at one end of the inner wheel plate 300. The inner end surface 230 of the pulley body 200 is flush with the outer end surface 320 of the inner wheel plate 300.
The rims of the outer and inner race plates 100 and 300 protruding from the outer circumferential surface of the pulley body 200 serve as ribs of the pulley body 200.
Example 2
This example differs from example 1 in that: the inner surface 120 of the outer wheel plate 100 is rigidly connected with the outer end surface 240 of the pulley body 200, and the bolt through holes 110 of the outer wheel plate 100 are coaxial with the inner taper holes 210 of the pulley body 200. The rest of the procedure is the same as in example 1
Example 3
This example differs from example 1 in that: referring to fig. 5, a groove 121 is formed on the inner surface 120 of the outer wheel plate 100, and a boss 241 is formed on the outer end surface 240 of the pulley body 200, the boss 241 being fitted into the groove 121 so that the outer wheel plate 100 is rigidly connected to the pulley body 200.
Example 4
This example differs from example 1 in that: referring to fig. 6, an outer wheel plate groove 242 is formed on an outer end surface 240 of the pulley body 200, and the outer wheel plate 100 is inserted into the outer wheel plate groove 242 such that the outer wheel plate 100 is rigidly connected to the pulley body 200. An outer wheel flange boss 243 is arranged on the outer end face 240 of the pulley body 200, an outer wheel flange 100a is rigidly embedded on the outer wheel flange boss 243, and the outer circumference diameter of the outer wheel flange 100a is larger than that of the pulley body 200.
Claims (9)
1. The improved motor belt pulley for the elevator door machine is characterized by comprising a belt pulley body, an outer wheel plate and an inner wheel plate, wherein the outer wheel plate and the inner wheel plate are respectively and rigidly connected with the belt pulley body; the small end of the inner taper hole is close to one end of the outer wheel plate; and a bolt through hole is processed in the center of the outer wheel plate.
2. The improved motor pulley for elevator door machines of claim 1, wherein the outer circumferential diameter of said outer pulley plate is greater than the outer circumferential diameter of said pulley body; the inner surface of the outer wheel plate is connected with the outer end face of the belt wheel body into a whole.
3. The improved motor pulley for elevator door machines as claimed in claim 1, wherein a groove is provided on an inner surface of the outer pulley plate, and a boss is provided on an outer end surface of the pulley body, the boss being embedded in the groove so that the outer pulley plate is rigidly connected to the pulley body; the small end of the inner taper hole is positioned at one end of the outer wheel plate.
4. The improved motor pulley for elevator door machines of claim 1, wherein an outer wheel plate groove is formed on an outer end surface of the pulley body, and the outer wheel plate is inserted into the outer wheel plate groove so that the outer wheel plate is rigidly connected with the pulley body; the small end of the inner taper hole is positioned at one end of the outer wheel plate.
5. The improved motor pulley for elevator door machines as claimed in claim 1, wherein an outer wheel rib boss is provided on an outer end surface of said pulley body, an outer wheel rib is rigidly embedded on said outer wheel rib boss, and an outer circumferential diameter of said outer wheel rib is larger than an outer circumferential diameter of said pulley body.
6. The improved motor pulley for elevator door machines of claim 1, wherein said bolt through hole is coaxial with said internal tapered hole.
7. The improved motor pulley for elevator door machines of any of claims 1-6, further comprising an inner wheel plate rigidly connected to an inner end of said pulley body.
8. The improved motor pulley for elevator door machines of claim 7, wherein a hole is provided in said inner plate to fit the outer circumference of said pulley body; the inner end of the outer circumference of the belt pulley body is embedded into the hole on the inner wheel plate in an interference fit mode, so that the inner wheel plate is rigidly connected with the belt pulley body; the big end of the inner taper hole is positioned at one end of the inner wheel plate.
9. The improved motor pulley for elevator door machines of claim 8, wherein an inner end surface of said pulley body is flush with an outer end surface of said inner pulley plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010139602.0A CN111188891A (en) | 2020-03-03 | 2020-03-03 | Improved motor belt pulley for elevator door machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010139602.0A CN111188891A (en) | 2020-03-03 | 2020-03-03 | Improved motor belt pulley for elevator door machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111188891A true CN111188891A (en) | 2020-05-22 |
Family
ID=70705395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010139602.0A Pending CN111188891A (en) | 2020-03-03 | 2020-03-03 | Improved motor belt pulley for elevator door machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111188891A (en) |
-
2020
- 2020-03-03 CN CN202010139602.0A patent/CN111188891A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107813261B (en) | Split type torque adjusting mechanism for disassembling and assembling threaded locking ring | |
| CA2366790C (en) | Mounting system for speed reducers | |
| CN103109087A (en) | Arrangement of components of a wind power plant | |
| CN106969134B (en) | Bearing positioning pre-tightening adjustment and sealing structure for input end of middle bridge | |
| CN106425989A (en) | Crankshaft rear oil seal assembling tool | |
| CN110701291B (en) | Split type planet carrier assembly convenient to planet wheel axle location | |
| CN211778856U (en) | Improved motor belt pulley for elevator door machine | |
| US8720662B2 (en) | Roller with modular hub assembly | |
| CN111188891A (en) | Improved motor belt pulley for elevator door machine | |
| CN201802774U (en) | Lock sleeve coupler device | |
| CN211778610U (en) | Keyless coupling capable of positioning light load transmission and shaft hole transmission structure | |
| CN111237431A (en) | Improved motor belt pulley mounting structure and mounting method for gantry crane | |
| US6176797B1 (en) | Adaptor for power transmission in a pulley and shaft | |
| CN2061227U (en) | Mechanical transmission device with removable shaft coupling piece | |
| CN108808909B (en) | Rotor structure with split type clamp plate | |
| CN201487069U (en) | Quickly connected coupling with single taper sleeve | |
| CN108080925B (en) | Device and method for disassembling outer ring of roller bearing in annular cavity | |
| CN111332915B (en) | Gantry crane motor belt pulley mounting structure and mounting method | |
| CN215980518U (en) | Wind power locking disc structure | |
| CN113623131B (en) | Wind generating set | |
| CN111219474A (en) | Motor belt pulley for elevator door motor | |
| CN217207403U (en) | Spline transmission locking structure | |
| CN210087952U (en) | Laminated bolt assembled crankshaft power output assembly | |
| CN209838988U (en) | End pin type rigid coupling | |
| CN213235136U (en) | Connecting device for a main shaft and a hub of a turbine rotor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |