CN210176281U

CN210176281U - Novel traction machine

Info

Publication number: CN210176281U
Application number: CN201920917621.4U
Authority: CN
Inventors: Guojiang Yao; 姚国江; Zhiqiang Min; 闵志强; Jiuwu Zhang; 章九五; Jinju Lu; 陆金菊; Hua Shen; 沈华
Original assignee: Zhejiang Furder Driving Technology Co Ltd
Current assignee: Zhejiang Furder Driving Technology Co Ltd
Priority date: 2019-06-18
Filing date: 2019-06-18
Publication date: 2020-03-24
Anticipated expiration: 2029-06-18

Abstract

The utility model provides a novel tractor, which causes the outer rotor tractor to brake through a shaft brake, and causes the brake structure of the whole tractor to be simple and reliable; and the brake is placed in the traction machine, so that the installation space is saved. The axial center of the engine base is provided with a rotating shaft through hole, an outer ring area of an axial first end face of the engine base is internally concave to form a stator and rotor installation cavity, a central area of an axial second end face of the engine base is internally concave to form a brake installation cavity, the rotating shaft is supported in the rotating shaft through hole through a bearing, a first end side of the rotating shaft is arranged in a manner of being convex to the first end face of the engine base, a second end of the rotating shaft is arranged in the brake installation cavity, first end faces of the stator and the rotor installation cavity are open, the second end face of the stator and the rotor installation cavity is a second end wall, the stator is fixedly sleeved in corresponding sleeved shaft areas of the stator and the rotor installation cavity from the open end, the rotor specifically comprises an annular rotor and a central.

Description

Novel traction machine

Technical Field

The utility model relates to a technical field of hauler structure specifically is a novel hauler.

Background

The elevator traction machine is power equipment of an elevator, and is also called an elevator main machine. The function is to transport and transmit power to run the elevator. The existing traction machine comprises an inner rotor traction machine and an outer rotor traction machine, wherein when the existing traction machine is used for braking, the outer ring surface of the outer rotor is braked by brakes arranged on two sides of the machine base, so that the braking of a rotating shaft and a traction wheel is completed; two brakes need to be arranged, and because the braking is completed through the outer ring surface, the abrasion of the brake pad of the brake is relatively large, the gap between the brake pad and the outer ring surface of the rotor needs to be adjusted frequently, the braking structure of the whole tractor is complex, the braking noise is large, the residential environment of residents is influenced, the after-sale maintenance cost is increased, and certain potential safety hazards exist.

Disclosure of Invention

In order to solve the problems, the utility model provides a novel tractor which enables an external rotor tractor to brake through a shaft brake, so that the whole tractor has simple and reliable braking structure, low braking noise and large braking torque, does not generate rigid change to the whole structure during braking, and reduces the after-sale maintenance cost; and the brake is placed in the traction machine, so that the installation space is saved.

A novel traction machine is characterized in that: the brake device comprises a base, a stator, a rotor, a traction wheel, a brake and a rotating shaft, wherein a rotating shaft through hole is formed in the axial center of the base, a stator and a rotor installation cavity are formed in the outer ring area of the axial first end face of the base in a concave mode, a brake installation cavity is formed in the central area of the axial second end face of the base in a concave mode, the rotating shaft is supported in the rotating shaft through hole through a bearing, the first end side of the rotating shaft is arranged in a mode of protruding the first end face of the base, the second end of the rotating shaft is arranged in the brake installation cavity, the first end face and the second end face of the stator and rotor installation cavity are respectively provided with a second end wall, the stator is fixedly sleeved on the corresponding sleeved shaft area of the stator and rotor installation cavity from the opened end, the rotor specifically comprises an annular rotor and a central connecting flange, the axial outer end of the annular rotor is connected with, the center of center flange is provided with central locating hole, the outer loop part of center flange is provided with driving sheave flange, center flange evagination in stator and rotor installation cavity arrange, the fixed cover of central locating hole in the corresponding end of pivot, the annular rotor is interior to stretch in the radial outer ring region of stator and rotor installation cavity, annular rotor and stator match and form the motor structure, the pivot through hole is located the inboard of central locating hole is arranged, do not seal in the center flange drive pivot of frame rotates, the stopper pass through connecting screw rigid coupling in the end wall of stopper installation cavity, the tip that is located of pivot the stopper installation cavity is through the stopper braking.

It is further characterized in that:

a base outer wrapping ring is arranged on the periphery of the outer ring surface of the annular rotor, and the axial second end of the base outer wrapping ring is connected with the outer ring part of the second end wall to form an integral structure;

the corresponding end of the rotating shaft does not protrude out of the outer end face of the central positioning hole, and the central positioning hole is fixedly connected with the corresponding end of the rotating shaft through a key structure;

the outer end surface of the central positioning hole does not protrude out of the outer end surface of the traction sheave, so that the whole structure is convenient to arrange;

bearing mounting rabbets are respectively arranged at two ends of the rotating shaft corresponding to the rotating shaft through hole of the base, and the corresponding first bearing and the corresponding second bearing are respectively mounted on the corresponding bearing mounting rabbets and then limited by the bearings of the locking structure, so that the bearings of the rotating shaft and the base are stably and reliably positioned;

a locking ring is fixedly connected to a first end face of the machine base and used for axially positioning an outer ring of the first bearing, a locking ring plate is clamped on the rotating shaft corresponding to an inner ring of the second bearing, and the locking ring plate ensures the axial position of the second bearing;

a central avoidance hole is formed in the position, corresponding to the rotating shaft, of the brake, and the encoder is fixedly connected with the rotating shaft and is arranged in the area of the central avoidance hole;

the end wall of the brake mounting cavity is used for fixedly mounting a brake, the brake comprises a brake disc, the brake disc is fixedly sleeved on the rotating shaft, annular brake pads are respectively arranged on two end faces of an outer ring of the brake disc, and a magnet yoke and an armature of a main body part of the brake are mutually acted to press and attach the corresponding brake pads for braking.

After the structure of the utility model is adopted, because the first end side of the rotating shaft is arranged in a way of protruding from the first end surface of the base and is used for installing the rotor, the second end of the rotating shaft is arranged in the brake installation cavity, the brake is fixedly connected with the end wall of the brake installation cavity through the connecting screw, and the end part of the rotating shaft in the brake installation cavity is braked through the brake; the outer rotor tractor is braked by the shaft brake, so that the whole tractor has a simple and reliable braking structure, low braking noise and large braking torque, does not generate rigid change to the whole structure during braking, and reduces the after-sale maintenance cost; and the brake is placed in the traction machine, so that the installation space is saved.

Drawings

Fig. 1 is a schematic front view structure diagram of the present invention;

the names corresponding to the sequence numbers in the figure are as follows:

the brake device comprises a machine base 1, a rotating shaft through hole 101, a stator and rotor mounting cavity 102, a brake mounting cavity 103, a second end wall 104, a sleeved shaft region 105, a machine base outer wrapping ring 106, a stator 2, a rotor 3, an annular rotor 31, a central connecting flange 32, a central positioning hole 321, a traction sheave connecting flange 322, a radial connecting ring 33, a traction sheave 4, a brake 5, a central avoiding hole 51, a brake disc 52, a brake pad 53, a rotating shaft 6, a bearing mounting spigot 61, a first bearing 7, a second bearing 8, a locking ring 9, a locking ring plate 10, an encoder 11 and a bolt 12.

Detailed Description

A novel traction machine is shown in figure 1: the axial center of the engine base 1 is provided with a rotating shaft through hole 101, an outer ring area of an axial first end surface of the engine base 1 is concavely provided with a stator and rotor mounting cavity 102, a central area of an axial second end surface of the engine base 1 is concavely provided with a brake mounting cavity 103, the rotating shaft 6 is supported on the rotating shaft through hole 101 through a bearing, a first end side of the rotating shaft 6 is arranged in a way of protruding from the first end surface of the engine base 1, a second end of the rotating shaft 6 is arranged in the brake mounting cavity 103, the first end surface and the second end surface of the stator and rotor mounting cavity 102 are open, the second end surface is a second end wall 104, the stator 2 is fixedly sleeved on a corresponding sleeved shaft area 105 of the stator and rotor mounting cavity 102 from the open end, the rotor 3 specifically comprises an annular rotor 31 and a central connecting flange 32, the axial outer end of the annular rotor 31 is connected with the outer ring part of the flange 32 through a radial connecting ring 33, the center of the central connecting flange 32 is provided with a central positioning hole 321, the outer ring part of the central connecting flange 32 is provided with a traction sheave connecting flange 322, the central connecting flange 32 is arranged by protruding out of the stator and rotor mounting cavity 102, the central positioning hole 321 is fixedly sleeved at the corresponding end of the rotating shaft 6, the annular rotor 31 extends into the radial outer ring area of the stator and rotor mounting cavity 102, the annular rotor 31 and the stator 2 are matched to form a motor structure, the rotating shaft through hole 101 is arranged at the inner side of the central positioning hole 321, the central connecting flange 32 which is not sealed in the base 1 drives the rotating shaft to rotate, the brake 5 is fixedly connected to the end wall of the brake mounting cavity 103 through a connecting screw, and the end part of the rotating shaft 6 which is arranged in the brake mounting cavity 103.

A base outer wrapping ring 106 is arranged on the periphery of the outer ring surface of the annular rotor 31, and the axial second end of the base outer wrapping ring 106 is connected with the outer ring part of the second end wall 104 to form an integral structure;

the corresponding end of the rotating shaft 5 does not protrude out of the outer end surface of the central positioning hole 321, and the central positioning hole 321 is fixedly connected with the corresponding end of the rotating shaft 6 through a key structure (not shown in the figures and belonging to the existing mature structure);

the outer end surface of the central positioning hole 321 does not protrude outside the outer end surface of the traction sheave 4, and the traction sheave 4 is fixedly connected to the traction sheave connecting flange 322 through the bolt 12, so that the whole structure is convenient to arrange;

bearing mounting rabbets 61 are respectively arranged at the two ends of the rotating shaft 6 corresponding to the rotating shaft through hole 101 of the machine base 1, and the corresponding first bearing 7 and the corresponding second bearing 8 are respectively mounted on the corresponding bearing mounting rabbets 61 and then limited by a bearing of a locking structure, so that the bearings of the rotating shaft and the machine base are stably and reliably positioned;

a locking ring 9 is fixedly connected to a first end face of the machine base 1, the locking ring 9 is used for axially positioning the outer ring position of the first bearing 7, a locking ring plate 10 is clamped on the rotating shaft 6 corresponding to the inner ring of the second bearing 8, and the locking ring plate 10 ensures the axial position of the second bearing 8;

a central avoiding hole 51 is arranged at the position of the brake 5 corresponding to the rotating shaft 6, and the encoder 11 is fixedly connected with the rotating shaft 6 and is arranged in the area of the central avoiding hole 51.

The end wall of the brake installation cavity 103 in the specific embodiment is used for fixedly installing the brake 5, the brake 5 is specifically a shaft brake type brake, and comprises a brake disc 52, the brake disc 52 is sleeved on the rotating shaft 6, two end faces of an outer ring of the brake disc 52 are respectively provided with an annular brake pad 53, and a magnetic yoke and an armature of a main body part of the brake 5 are mutually pressed and attached to the corresponding brake pad 53 for braking.

The working principle is as follows: the first end side of the rotating shaft is arranged in a manner of protruding from the first end surface of the base and is used for mounting the rotor, the second end of the rotating shaft is arranged in the brake mounting cavity, the brake is fixedly connected to the end wall of the brake mounting cavity through a connecting screw, and the end part of the rotating shaft, which is positioned in the brake mounting cavity, is braked through the brake; the outer rotor tractor is braked by the shaft brake, so that the whole tractor has a simple and reliable braking structure, low braking noise and large braking torque, does not generate rigid change to the whole structure during braking, and reduces the after-sale maintenance cost; and the brake is placed in the traction machine, so that the installation space is saved.

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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A novel traction machine is characterized in that: the brake device comprises a base, a stator, a rotor, a traction wheel, a brake and a rotating shaft, wherein a rotating shaft through hole is formed in the axial center of the base, a stator and a rotor installation cavity are formed in the outer ring area of the axial first end face of the base in a concave mode, a brake installation cavity is formed in the central area of the axial second end face of the base in a concave mode, the rotating shaft is supported in the rotating shaft through hole through a bearing, the first end side of the rotating shaft is arranged in a mode of protruding the first end face of the base, the second end of the rotating shaft is arranged in the brake installation cavity, the first end face and the second end face of the stator and rotor installation cavity are respectively provided with a second end wall, the stator is fixedly sleeved on the corresponding sleeved shaft area of the stator and rotor installation cavity from the opened end, the rotor specifically comprises an annular rotor and a central connecting flange, the axial outer end of the annular rotor is connected with, the center of center flange is provided with central locating hole, the outer loop part of center flange is provided with driving sheave flange, center flange evagination in stator and rotor installation cavity arrange, the fixed cover of central locating hole in the corresponding end of pivot, the annular rotor is interior to stretch in the radial outer ring region of stator and rotor installation cavity, annular rotor and stator match and form the motor structure, the pivot through hole is located the inboard of central locating hole is arranged, do not seal in the center flange drive pivot of frame rotates, the stopper pass through connecting screw rigid coupling in the end wall of stopper installation cavity, the tip that is located of pivot the stopper installation cavity is through the stopper braking.

2. The new traction machine as claimed in claim 1, characterized in that: and the periphery of the outer ring surface of the annular rotor is provided with a base outer wrapping ring, and the axial second end of the base outer wrapping ring is connected with the outer ring part of the second end wall to form an integral structure.

3. The new traction machine as claimed in claim 1, characterized in that: the corresponding end of the rotating shaft does not protrude out of the outer end face of the central positioning hole, and the central positioning hole is fixedly connected with the corresponding end of the rotating shaft through a key structure.

4. The new traction machine as claimed in claim 3, characterized in that: the outer end surface of the central positioning hole does not protrude outwards from the outer end surface of the traction sheave.

5. The new traction machine as claimed in claim 1, characterized in that: the two ends of the rotating shaft, corresponding to the rotating shaft through hole of the base, are respectively provided with a bearing mounting spigot, and the corresponding first bearing and the corresponding second bearing are respectively mounted on the corresponding bearing mounting spigots and then are limited by the bearings of the locking structure.

6. The new traction machine as claimed in claim 5, characterized in that: the first end face of the base is fixedly connected with a locking ring, the locking ring is used for axially positioning the outer ring of the first bearing, the rotating shaft is clamped with a locking ring plate corresponding to the inner ring of the second bearing, and the locking ring plate ensures the axial position of the second bearing.

7. The new traction machine as claimed in claim 1, characterized in that: the position department that corresponds to the pivot of stopper is provided with the center and dodges the hole, and the encoder rigid coupling the pivot, just be located the region in center dodge the hole arranges.

8. The new traction machine as claimed in claim 1, characterized in that: the end wall of the brake mounting cavity is used for fixedly mounting a brake, the brake comprises a brake disc, the brake disc is fixedly sleeved on the rotating shaft, annular brake pads are respectively arranged on two end faces of an outer ring of the brake disc, and a magnet yoke and an armature of a main body part of the brake are mutually acted to press and attach the corresponding brake pads for braking.