CN212811481U - High-transmission-reliability coupler - Google Patents
High-transmission-reliability coupler Download PDFInfo
- Publication number
- CN212811481U CN212811481U CN202021772833.7U CN202021772833U CN212811481U CN 212811481 U CN212811481 U CN 212811481U CN 202021772833 U CN202021772833 U CN 202021772833U CN 212811481 U CN212811481 U CN 212811481U
- Authority
- CN
- China
- Prior art keywords
- rotor
- isolation sleeve
- outer rotor
- inner rotor
- high transmission
- 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
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
A high-transmission-reliability coupler comprises a coupler body protection device, wherein the coupler body is arranged in the protection device, and the protection device is a semi-closed omega-shaped protection cover; the coupler body comprises a power input end, an inner rotor, an outer rotor, an isolation sleeve assembly and a load end; the inner rotor is connected with a power input end, the power input end is connected with a motor, the outer rotor is connected with a load end, the inner rotor is arranged in the outer rotor, and an isolation sleeve assembly is arranged between the inner rotor and the outer rotor; permanent magnets with the same magnetic pole pair number are uniformly distributed on the inner cylindrical surfaces of the inner rotor and the outer rotor; the permanent magnets are fan-shaped permanent magnets and are respectively embedded into the inner rotor and the outer rotor. High transmission reliability's shaft coupling, simple structure, easily installation, convenient maintenance, change vulnerable part effectively keep apart vibrations, improve the reliability, protection security is good, application prospect is extensive.
Description
Technical Field
The utility model relates to a shaft coupling technical field, concretely relates to shaft coupling of high transmission reliability.
Background
With the development of modern industry, the transmission system is developed towards the trend of high speed and high power, and the application range is wider and wider. The coupling is a key part of a shaft transmission system and is a mechanical part for connecting a driving shaft and a driven shaft to transmit torque. The traditional coupler achieves the purpose of transmitting torque through mechanical connection, has certain compensation capacity, can allow slight vibration in the rotating process, but has relative displacement to generate additional load, so that the working condition is deteriorated, impact can be generated on a motor and transmission equipment, the failure rate and the overhaul frequency are increased, the damage of the equipment is easy to accelerate, the installation precision requirement is high, and the installation cost is high.
In addition, due to the higher and higher requirements for the construction of the intrinsic safety and safety environment of the equipment, the safety protection of the transmission system is gradually attracting attention, the exposed coupling needs to be protected under the condition of telling rotation, and the coupling in the prior art also lacks the consideration of the aspect.
Therefore, a coupler with high transmission reliability needs to be developed, so that the defects of the traditional mechanical coupler in the prior art are overcome, the working machine runs stably, the mounting precision requirement is reduced, the mounting cost is reduced, and the safety protection is improved.
Chinese patent application No. CN201721220241.2 discloses a multipurpose coupler, which comprises a first half coupler, a second half coupler and an additional coupler, and solves the technical problem that the existing coupler can only correspond to the inner diameter of a pair of shafts, and does not solve the problems of high failure rate and maintenance frequency caused by impact generated by the additional load of the coupler, high equipment damage and installation precision requirements, high installation cost and no safety protection.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: in order to overcome not enough above, the utility model aims at providing a shaft coupling of high transmission reliability, structural design is reasonable, has solved the shaft coupling additional and has carried the fault rate that produces the impact and the required precision of the damage and the installation of maintenance frequency, equipment high, the problem of no safety protection of production to protection security is good, and application prospect is extensive.
The technical scheme is as follows: a high-transmission-reliability coupler comprises a coupler body and a protection device, wherein the coupler body is arranged in the protection device, and the protection device is a semi-closed omega-shaped protection cover; the coupler body comprises a power input end, an inner rotor, an outer rotor, an isolation sleeve assembly and a load end; the inner rotor is connected with a power input end, the power input end is connected with a motor, the outer rotor is connected with a load end, the inner rotor is arranged in the outer rotor, and an isolation sleeve assembly is arranged between the inner rotor and the outer rotor; permanent magnets with the same magnetic pole pairs are uniformly distributed on the outer cylindrical surface of the inner rotor and the inner cylindrical surface of the outer rotor; the permanent magnets are fan-shaped permanent magnets and are respectively embedded into the inner rotor and the outer rotor.
The shaft coupling with high transmission reliability has simple structure, easy installation, convenient maintenance and easy replacement of wearing parts; the coupler body utilizes an air gap magnetic field to transmit torque, and mechanical connection does not exist, so that vibration can be effectively isolated, equipment damage caused by vibration is effectively avoided, equipment maintenance cost is reduced, the service life of the coupler body is prolonged, and reliability is improved; the protection device is a semi-closed omega-shaped protection cover, is integrally designed, is convenient to install, has a protection effect, and can have a certain blocking function on liquid, solid and the like.
Further, in the above-mentioned coupler with high transmission reliability, the spacer assembly includes an outer spacer, an inner spacer and a base, the inner spacer is disposed in the outer spacer, and the base is disposed outside one end of the outer spacer (facing the power input end).
During the use process, the isolation sleeve of the coupler can be damaged to cause medium leakage. In the case of the transport of special media, absolute safety against leakage is required. Such leakage caused by the breakage of the insulating sleeve is also not allowed, and can cause environmental pollution and even endanger the life and health of personnel. The spacer assembly, when one of the inner spacer or the outer spacer is damaged, the complete outer spacer (or the inner spacer) still seals the conveyed medium, preventing the medium leakage.
Further, in the coupling with high transmission reliability, a vacuum layer is arranged between the outer spacer bush and the inner spacer bush.
Further, the isolation sleeve assembly of the coupler with high transmission reliability further comprises an alarm device, the alarm device comprises a pressure gauge, a pressure sensor and an ECU (173), the pressure gauge is arranged on one side of the isolation sleeve assembly and communicated with the vacuum layer, the pressure sensor is arranged on the other side of the isolation sleeve assembly and also communicated with the vacuum layer, and the pressure sensor is connected with the ECU and transmits information to the ECU.
Further, foretell shaft coupling of high transmission reliability, alarm device still includes the alarm, ECU is connected with the alarm.
Because the vacuum layer between the inner spacer and the outer spacer of the coupler is close to vacuum, when one of the inner spacer and the outer spacer is damaged, outside air or a conveyed medium enters between the inner spacer and the outer spacer, and the pressure of the vacuum layer is increased. The pressure gauge is arranged on the isolation sleeve assembly and used for measuring and displaying the pressure between the inner isolation sleeve and the outer isolation sleeve (vacuum layer); pressure sensor also installs on the isolation cover subassembly for gather the pressure information of interior external separation cover room (vacuum layer), and with information transfer to ECU, ECU receives and handles pressure information, in case discovery interior external separation cover room (vacuum layer) pressure appears unusually, will send the instruction and start the alarm and report to the police, remind the maintenance personal to carry out maintenance to the shaft coupling, thereby avoid appearing because of the damaged medium leakage phenomenon that appears of shaft coupling isolation cover.
Further, in the coupling with high transmission reliability, the number of the permanent magnets on the inner rotor and the outer rotor is 16, and the thickness of each permanent magnet is 18-24 mm; the permanent magnet is made of neodymium iron boron N35.
When the number of the permanent magnets is 16, the permanent magnets are all in the optimal duty ratio range.
Further, in the coupling with high transmission reliability, the motor is a three-phase asynchronous motor.
The utility model has the advantages that:
(1) the shaft coupling with high transmission reliability has simple structure, easy installation, convenient maintenance and easy replacement of wearing parts; the coupler body utilizes an air gap magnetic field to transmit torque, and mechanical connection does not exist, so that vibration can be effectively isolated, equipment damage caused by vibration is effectively avoided, equipment maintenance cost is reduced, the service life of the coupler body is prolonged, and reliability is improved;
(2) the high transmission reliability shaft coupling of the utility model has the advantages that the protection device is a semi-closed omega-shaped protection cover, is designed integrally, is convenient to install, has a protection effect, and can also have a certain blocking function on liquid, solid and the like;
(3) in the high-transmission-reliability coupler of the utility model, when one of the inner spacer sleeve or the outer spacer sleeve is damaged, the finished outer spacer sleeve (or the inner spacer sleeve) still seals the conveyed medium to prevent the medium from leaking; install alarm device on the isolation cover subassembly, in case the discovery is unusual in inside and outside spacer sleeve room (vacuum layer) pressure, will send the instruction and start the alarm and report to the police, remind maintenance personal to maintain the processing to the shaft coupling to avoid appearing because of the damaged medium leakage phenomenon that appears of shaft coupling isolation cover.
Drawings
Fig. 1 is an overall structural view of the coupling with high transmission reliability according to the present invention;
fig. 2 is a protection device for a coupling with high transmission reliability according to the present invention;
fig. 3 is a schematic connection diagram of the spacer assembly and the alarm device of the high transmission reliability coupling of the present invention;
in the figure: the coupling comprises a coupling body 1, a power input end 11, an inner rotor 12, an outer rotor 13, an isolation sleeve assembly 14, an outer isolation sleeve 141, an inner isolation sleeve 142, a base 143, a load end 15, a permanent magnet 16, an alarm device 17, a pressure gauge 171, a pressure sensor 172, an ECU173, an alarm 174, a protection device 2 and a motor 3.
Detailed Description
The invention will be further elucidated with reference to the accompanying figures 1-3 and the specific embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The coupler with high transmission reliability of the structure shown in fig. 1 and 2 comprises a coupler body 1 and a protection device 2, wherein the coupler body 1 is installed in the protection device 2, and the protection device 2 is a semi-closed omega-shaped protection cover; the coupler body 1 comprises a power input end 11, an inner rotor 12, an outer rotor 13, an isolation sleeve assembly 14 and a load end 15; the inner rotor 12 is connected with a power input end 11, the power input end 11 is connected with the motor 3, the outer rotor 13 is connected with a load end 15, the inner rotor 12 is arranged in the outer rotor 13, and an isolation sleeve assembly 15 is arranged between the inner rotor 12 and the outer rotor 13; permanent magnets 16 with the same magnetic pole pairs are uniformly distributed on the outer cylindrical surface of the inner rotor 12 and the inner cylindrical surface of the outer rotor 13; the permanent magnet 16 is a fan-shaped permanent magnet, and the permanent magnet 16 is respectively embedded in the outer cylindrical surface of the inner rotor 12 and the outer rotor 13.
In addition, as shown in fig. 1 and 3, the isolation sleeve assembly 14 includes an outer spacer 141, an inner spacer 142, and a base 143, the inner spacer 142 is disposed in the outer spacer 141, and the base 143 is disposed outside one end of the outer spacer 141 facing the power input end 11.
In addition, a vacuum layer is arranged between the outer spacer 141 and the inner spacer 142. The isolation sleeve assembly 14 further comprises an alarm device 17, the alarm device 17 comprises a pressure gauge 171, a pressure sensor 172 and an ECU173, and the pressure gauge 171 is arranged on one side of the isolation sleeve assembly 14 and is communicated with the vacuum layer; the pressure sensor 172 is disposed on the other side of the isolation sleeve assembly 14 and also communicates with the vacuum floor, and the pressure sensor 172 is connected to the ECU173 and communicates information to the ECU 173.
In addition, the alarm device 17 further includes an alarm 174, and the ECU173 is connected to the alarm 174.
Further, the number of the permanent magnets 16 on the outer cylindrical surface of the inner rotor 12 and the outer rotor 13 is 16, and the thickness of the permanent magnets 16 is 18-24 mm; the permanent magnet 16 is made of neodymium iron boron N35.
Furthermore, the electric machine 3 is a three-phase asynchronous motor.
Examples
The structural basis is as shown in FIGS. 1 to 3.
The shaft coupling with high transmission reliability has reasonable structural design, simple structure, easy installation and convenient maintenance and replacement of wearing parts; the coupler body 1 utilizes an air gap magnetic field to transmit torque, and mechanical connection does not exist, so that vibration can be effectively isolated, equipment damage caused by vibration is effectively avoided, equipment maintenance cost is reduced, the service life of the coupler body is prolonged, and reliability is improved; the protection device 2 is a semi-closed omega-shaped protection cover, is integrally designed, is convenient to install, has a protection effect, and can have a certain blocking function on liquid, solid and the like.
During the use process, the isolation sleeve of the coupler can be damaged to cause medium leakage. In the case of the transport of special media, absolute safety against leakage is required. Such leakage caused by the breakage of the insulating sleeve is also not allowed, and can cause environmental pollution and even endanger the life and health of personnel. The utility model discloses a spacer assembly 14, when one of inner spacer 142 or outer spacer 141 was damaged, the medium that the intact outer spacer 141 (or inner spacer 142) still will be carried was sealed, prevented that the medium from leaking.
Since the vacuum layer between the inner spacer 142 and the outer spacer 141 of the coupling is close to vacuum, when one of the inner spacer 142 or the outer spacer 141 is damaged, the outside air or the transported medium will enter between the inner spacer 142 and the outer spacer 141, and the pressure of the vacuum layer will increase. A pressure gauge 171 is mounted on the isolation sleeve assembly 14 for measuring and displaying the pressure between the inner spacer 142 and the outer spacer 141 (vacuum layer); the pressure sensor 172 is also mounted on the isolation sleeve assembly 14, and is configured to collect pressure information between the inner spacer 142 and the outer spacer 141 (vacuum layer), and transmit the information to the ECU173, and the ECU173 receives and processes the pressure information, and once it is found that the pressure between the inner spacer 142 and the outer spacer 141 (vacuum layer) is abnormal, the ECU173 sends an instruction to start the alarm 174 to alarm, so as to remind a maintenance worker to perform maintenance on the coupling, thereby avoiding a medium leakage phenomenon due to the damage of the coupling spacer.
The number of the permanent magnets 16 on the outer cylindrical surface of the inner rotor 12 and the outer rotor 13 is 16, and the thickness of the permanent magnets 16 is 18-24 mm; the permanent magnet 16 is made of neodymium iron boron N35. When the number of the permanent magnets 16 is 16, the optimal duty ratio range can be ensured.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.
In addition, the embodiments of the present invention can be arbitrarily combined with each other, and the same shall be regarded as the disclosure of the present invention as long as the idea of the present invention is not violated.
Claims (7)
1. The coupler with high transmission reliability is characterized by comprising a coupler body (1) and a protection device (2), wherein the coupler body (1) is installed in the protection device (2), and the protection device (2) is a semi-closed omega-shaped protective cover; the coupler body (1) comprises a power input end (11), an inner rotor (12), an outer rotor (13), an isolation sleeve assembly (14) and a load end (15); the inner rotor (12) is connected with a power input end (11), the power input end (11) is connected with the motor (3), the outer rotor (13) is connected with a load end (15), the inner rotor (12) is arranged in the outer rotor (13), and an isolation sleeve assembly (14) is arranged between the inner rotor (12) and the outer rotor (13); permanent magnets (16) with the same magnetic pole pair number are uniformly distributed on the outer cylindrical surface of the inner rotor (12) and the inner cylindrical surface of the outer rotor (13); the permanent magnet (16) is a fan-shaped permanent magnet, and the permanent magnet (16) is respectively embedded in the inner rotor (12) and the outer rotor (13).
2. The high transmission reliability coupling according to claim 1, wherein the isolation sleeve assembly (14) comprises an outer isolation sleeve (141), an inner isolation sleeve (142) and a base (143), the inner isolation sleeve (142) is arranged in the outer isolation sleeve (141), and the base (143) is arranged outside one end of the outer isolation sleeve (141) facing the power input end (11).
3. The high transmission reliability coupling according to claim 2, characterized in that a vacuum layer is between the outer spacer (141) and the inner spacer (142).
4. The high transmission reliability shaft coupling according to claim 3, wherein the isolation sleeve assembly (14) further comprises an alarm device (17), the alarm device (17) comprises a pressure gauge (171), a pressure sensor (172) and an ECU (173), the pressure gauge (171) is arranged at one side of the isolation sleeve assembly (14) and is communicated with a vacuum layer; the pressure sensor (172) is arranged on the other side of the isolation sleeve assembly (14) and is also communicated with the vacuum layer, and the pressure sensor (172) is connected with the ECU (173) and transmits information to the ECU (173).
5. The high transmission reliability coupling according to claim 4, wherein the alarm device (17) further comprises an alarm (174), and the ECU (173) is connected to the alarm (174).
6. The high transmission reliability shaft coupling according to claim 1, characterized in that the number of permanent magnets (16) on the inner rotor (12) and the outer rotor (13) is 16, the thickness of the permanent magnets (16) is 18-24 mm; the permanent magnet (16) is made of neodymium iron boron N35.
7. The high transmission reliability coupling according to claim 1, wherein the electric machine (3) is a three-phase asynchronous motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021772833.7U CN212811481U (en) | 2020-08-24 | 2020-08-24 | High-transmission-reliability coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021772833.7U CN212811481U (en) | 2020-08-24 | 2020-08-24 | High-transmission-reliability coupler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212811481U true CN212811481U (en) | 2021-03-26 |
Family
ID=75084822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021772833.7U Active CN212811481U (en) | 2020-08-24 | 2020-08-24 | High-transmission-reliability coupler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212811481U (en) |
-
2020
- 2020-08-24 CN CN202021772833.7U patent/CN212811481U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109607094B (en) | Intelligent belt conveyor idler structure | |
| CN111946656A (en) | Combined permanent magnetic suspension bearing for pump | |
| CN201197099Y (en) | Water cooling permanent magnet synchronization pulling motor | |
| CN212811481U (en) | High-transmission-reliability coupler | |
| CN113489236A (en) | Axle end power generation facility, bogie and railway vehicle | |
| WO2016150242A1 (en) | Magneto-rheological technology based overload protection device for torque shaft of electric motor in coal mining machine | |
| CN202579721U (en) | Shaftless transmission device | |
| CN210196046U (en) | High-temperature magnetic pump | |
| CN201656744U (en) | Cage-shaped permanent magnet driver | |
| CN107792616A (en) | Belt offset detecting device | |
| CN101777858A (en) | Cage type permanent magnetic driver | |
| CN202260679U (en) | Motor for high-protection axial flow fan and high-protection axial flow fan with motor | |
| CN210629334U (en) | Synchronous permanent magnet coupling of high leakproofness | |
| CN211009162U (en) | Integrated centrifugal compressor | |
| CN209795077U (en) | Passenger car rear axle housing structure | |
| CN103337937A (en) | Novel coaxial magnetic transmission device | |
| CN109546799B (en) | Large-sized electric wheel direct-drive outer rotor wheel rim driving motor of mining dump truck | |
| CN208870805U (en) | A kind of differential impeller magnetic drive component of electronic water pump for automobile | |
| CN211557121U (en) | Synchronous permanent magnet coupler with single permanent magnet rotor | |
| CN201956802U (en) | Connector for three-phase asynchronous motor and transmission of electrical automobile | |
| CN212508951U (en) | Combined permanent magnetic suspension bearing for pump | |
| CN216564808U (en) | Novel brake area encoder motor mounting structure | |
| CN216134415U (en) | Non-stop maintenance device for multiple flange type motor driven systems | |
| CN219659509U (en) | Motor for preventing bearing failure and power loss | |
| CN219990548U (en) | Belt conveyor and bucket wheel machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |