Strong-drive traction machine

By using a planetary gear reducer and an independently separated roller design in the traction machine, the problems of high noise and maintenance difficulties in traditional traction machines are solved, and the elevator operation with lower noise and higher comfort is achieved.

CN222593159UActive Publication Date: 2025-03-11SUZHOU MONA DRIVE EQUIP CO LTD
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Patent Information

Application Number
CN202421226316.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-31
Publication Date
2025-03-11
Estimated Expiration
2034-05-31

AI Technical Summary

Technical Problem

Traditional traction machines are noisy, gearbox maintenance is troublesome and there is a risk of oil leakage.

Method used

Planetary gear reducer is used, and grease is added inside. The drum and the motor are separated independently, so the vibration and noise of the motor cannot be transmitted to the drum.

Benefits of technology

Reduces noise, eliminates daily maintenance, avoids the risk of oil leakage, and improves the comfort of the elevator cabin.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a strong-drive traction machine which comprises a motor and a roller connected to one side of the motor, the motor comprises a shell and end covers arranged on the two sides of the shell, the two end covers are provided with corresponding bearings, a main shaft is arranged between the two bearings, the main shaft is provided with a rotor assembly, and the rotor assembly is connected with the shell. A stator assembly corresponding to the rotor assembly box is arranged in the shell, a wire groove is formed in the peripheral wall of the roller, a planetary reducer is arranged in the roller, and one end of the main shaft extends out of the motor and is connected with the roller through the planetary reducer located in the roller so as to transmit torque. The planetary gear reducer has the advantages that the planetary gear reducer is used, lubricating grease is injected into the planetary gear reducer, and daily maintenance is avoided.
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Description

Technical Field

[0001] The utility model belongs to the field of traction machines, and in particular relates to a strong-drive traction machine. Background Art

[0002] The traction machine is the power equipment of the elevator, also known as the elevator main machine. Its function is to transport and transmit power to make the elevator run.

[0003] Traditional traction machines are all equipped with permanent magnet synchronous motors and helical gear reducers or worm gear reducers. They are noisy, difficult to change the gearbox oil, and have the risk of oil leakage. Utility Model Content

[0004] The purpose of the utility model is to provide a strong drive traction machine.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A strong drive traction machine includes a motor and a drum connected to one side of the motor, the motor includes a shell and end covers arranged on both sides of the shell, two end covers are provided with corresponding bearings, a main shaft is arranged between the two bearings, a rotor assembly is arranged on the main shaft, a stator assembly corresponding to the rotor assembly box is arranged in the shell, a wire groove is arranged on the outer peripheral wall of the drum, a planetary reducer is arranged inside the drum, one end of the main shaft extends out of the motor and is connected to the drum through the planetary reducer located in the drum to transmit torque.

[0007] Preferably, a left fixed plate is provided on one side of the drum close to the motor, and a right fixed plate is provided on the other side thereof; the left fixed plate is connected to the end cover of the motor and the housing of the planetary reducer by bolts, and one end of the drum is rotatably connected to the right fixed plate.

[0008] Preferably, the main shaft of the motor is connected to the input end of the planetary reducer, and the output end of the planetary reducer is matched with the roller via a stopper.

[0009] Preferably, a bearing is provided on the right fixed plate, a bearing cover is provided on the left side of the bearing, a protrusion is protruded from the bearing cover on one side facing the bearing, the protrusion is connected to the inside of the bearing, and the roller is connected to the bearing cover.

[0010] Preferably, the left fixing plate and the right fixing plate are connected via connecting rods, and the connecting rods are located at four corners of the left fixing plate and the right fixing plate.

[0011] Preferably, pressure plates corresponding to the wire grooves are provided on both sides of the outer peripheral wall of the drum, and the pressure plates are connected to the drum by bolts.

[0012] Preferably, it further comprises a frame, and the two fixing plates are both arranged on the frame.

[0013] The utility model has the beneficial effects of using a planetary gear reducer with grease injected inside to avoid daily maintenance, and the drum and the motor are independently separated, so that the vibration and noise of the motor cannot be transmitted to the drum, thereby improving the comfort of the elevator car. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model.

[0015] Figure 2 It is a front sectional view of the utility model.

[0016] Among them: motor 10, housing 12, end cover 14, stator assembly 16, rotor assembly 18, main shaft 20, bearing 22, planetary reducer 24, roller 26, left fixed plate 28, right fixed plate 30, connecting rod 32, bearing cover 34, pressure plate 36, frame 38, brake 40. DETAILED DESCRIPTION

[0017] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.

[0018] like Figure 1 and Figure 2 As shown, a strong drive traction machine of the utility model includes a motor 10 and a drum 26 connected to one side of the motor 10, the motor 10 includes a housing 12 and end covers 14 arranged on both sides of the housing 12, corresponding bearings 22 are arranged on the two end covers 14, a main shaft 20 is arranged between the two bearings 22, a rotor assembly 18 is arranged on the main shaft 20, a stator assembly 16 corresponding to the rotor assembly 18 is arranged in the housing 12, a wire groove is arranged on the outer peripheral wall of the drum 26, a planetary reducer 24 is arranged inside the drum 26, one end of the main shaft 20 extends out of the motor 10 and is connected to the drum 26 through the planetary reducer 24 located in the drum 26 to transmit torque;

[0019] The main shaft 20 drives the roller 26 to rotate through the planetary reducer 24, converting high speed into low speed and high torque, which is convenient for towing the cargo compartment. A planetary gear reducer is used, and grease is injected inside to avoid daily maintenance. At the same time, since the roller 26 and the motor 10 are separated, the vibration and noise of the motor 10 cannot be transmitted to the roller 26.

[0020] A left fixing plate 28 is provided on one side of the drum 26 close to the motor 10, and a right fixing plate 30 is provided on the other side thereof. The left fixing plate 28 is connected to the end cover 14 of the motor 10 and the housing of the planetary reducer 24 by bolts, and one end of the drum 26 is rotatably connected to the right fixing plate 30;

[0021] The housing 12, the left fixing plate 28 and the outer shell of the planetary reducer 24 are connected to each other to ensure stability. The left fixing plate 28 and the right fixing plate 30 also play a supporting role for the entire machine.

[0022] The main shaft 20 of the motor 10 is connected to the input end of the planetary reducer 24, and the output end of the planetary reducer 24 and the roller 26 are matched with a stopper;

[0023] By directly transmitting the torque in this way, the matching size is increased, the output end connection is convenient, and the cost is reduced.

[0024] The right fixed plate 30 is provided with a bearing 22, and a bearing cover 34 is provided on the left side of the bearing 22. The bearing cover 34 has a protrusion protruding from one side toward the bearing 22, and the protrusion is connected to the inside of the bearing 22. The roller 26 is connected to the bearing cover 34;

[0025] The bearing cover 34 can protect the bearing 22 and prevent foreign matter from entering the bearing 22 .

[0026] The left fixing plate 28 and the right fixing plate 30 are connected by connecting rods 32, and the connecting rods 32 are located at the four corners of the left fixing plate and the right fixing plate 30;

[0027] The left fixing plate 28 and the right fixing plate 30 are connected by a connecting rod 32 to increase stability and concentricity. At the same time, the connecting rod 32 can also limit the position of the rope.

[0028] Pressure plates 36 corresponding to the wire trough are provided on both sides of the outer peripheral wall of the drum 26 , and the pressure plates 36 are connected to the drum 26 by bolts; the cables on the wire trough can be limited by the pressure plates 36 .

[0029] It also includes a frame 38, and the two fixing plates are both arranged on the frame 38; the frame 38 supports the entire device and is also convenient for assembly.

[0030] The motor further includes a brake 40 connected to the motor housing 12 and corresponding to the main shaft 20 .

[0031] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0032] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A strong drive traction machine, characterized in that: It includes a motor and a roller connected to one side of the motor, the motor includes a shell and end covers arranged on both sides of the shell, two end covers are provided with corresponding bearings, a main shaft is arranged between the two bearings, a rotor assembly is arranged on the main shaft, a stator assembly corresponding to the rotor assembly box is arranged in the shell, a wire groove is arranged on the outer peripheral wall of the roller, a planetary reducer is arranged inside the roller, one end of the main shaft extends out of the motor and is connected to the roller through the planetary reducer located in the roller to transmit torque.

2. The strong drive traction machine according to claim 1, characterized in that: A left fixing plate is arranged on one side of the drum close to the motor, and a right fixing plate is arranged on the other side thereof. The left fixing plate is connected to the end cover of the motor and the housing of the planetary reducer through bolts, and one end of the drum is rotatably connected to the right fixing plate.

3. The strong drive traction machine according to claim 1, characterized in that: The main shaft of the motor is connected to the input end of the planetary reducer, and the output end of the planetary reducer is matched with the roller via a stopper.

4. The strong drive traction machine according to claim 2, characterized in that: A bearing is arranged on the right fixed plate, a bearing cover is arranged on the left side of the bearing, a protrusion is protruded from the bearing cover on one side facing the bearing, the protrusion is connected to the inside of the bearing, and the roller is connected to the bearing cover.

5. The strong drive traction machine according to claim 2, characterized in that: The left fixing plate and the right fixing plate are connected via connecting rods, and the connecting rods are located at four corners of the left fixing plate and the right fixing plate.

6. The strong drive traction machine according to claim 1, characterized in that: Pressing plates corresponding to the wire grooves are arranged on both sides of the outer peripheral wall of the drum, and the pressing plates are connected to the drum by bolts.

7. The strong drive traction machine according to claim 2, characterized in that: It also includes a frame, and the two fixing plates are both arranged on the frame.

Citation Information

Cited By

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