CN211508821U - Hollow shaft motor driving connecting device and hollow shaft motor - Google Patents
Hollow shaft motor driving connecting device and hollow shaft motor Download PDFInfo
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- CN211508821U CN211508821U CN202020373496.8U CN202020373496U CN211508821U CN 211508821 U CN211508821 U CN 211508821U CN 202020373496 U CN202020373496 U CN 202020373496U CN 211508821 U CN211508821 U CN 211508821U
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- hollow shaft
- shaft motor
- rotor
- pilot hole
- torque limiter
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Abstract
The utility model belongs to the technical field of shield constructs owner and drives hollow shaft motor. A hollow shaft motor driving connecting device and a hollow shaft motor comprise a coupling body, a first end cover and a second end cover, wherein the first end cover is arranged at a first end part of the coupling body and is attached to a top support with the end part of a transmission shaft; the second end cover is arranged at the second end part of the coupler body and is attached to the annular sinking groove on the rotor and supported; the coaxial intercommunication in shaft coupling body middle part is provided with first pilot hole and second pilot hole, first pilot hole with the transmission shaft matches the transmission meshing, the second pilot hole with the rotor matches the transmission meshing. The utility model has the advantages of reasonable design, simple structure, low cost to the equipment that need not be equipped with torque limiter, can install this device, normally transmits hollow shaft motor moment of torsion to keep the function of equipment fixing torque limiter, select in a flexible way.
Description
Technical Field
The utility model belongs to the technical field of shield constructs owner drive hollow shaft motor and uses, concretely relates to hollow shaft motor drive connecting device and hollow shaft motor.
Background
With the vigorous development of urban rail transit construction, the shield machine plays an increasingly important role as the main equipment of the current tunnel construction. The shield machine is divided into electric drive and liquid drive in a driving form, the main driving motor of the shield machine in the current electric drive form mostly adopts a hollow shaft motor, and a rotor of the hollow shaft motor is not connected with a transmission shaft, so that the torque of the motor cannot be directly transmitted. When the hollow shaft motor is used, a torque limiter is needed to be matched for use at present, the torque limiter is connected with a rotor of the hollow shaft motor and a transmission shaft to realize the connection of the rotor of the motor and an output shaft, and the hollow shaft motor and the like are protected from being damaged by overload torque through a preset torque limiting value of the torque limiter. However, due to different construction project stratums, different requirements of customers on equipment configuration, construction projects with good stratums, overload situations of the motor do not exist, a torque limiter does not need to be equipped, the torque limiter needs to be purchased from a professional manufacturer, the cost is high, and for equipment without the torque limiter, the torque limiter still needs to be installed to ensure that the hollow shaft motor normally transmits torque, so that the equipment cost is increased meaninglessly.
The schematic structural diagram of the hollow shaft motor is shown in fig. 1, and the hollow shaft motor mainly comprises a motor body 1, a transmission shaft 3 and a protective housing 4. The rotor 2 of hollow shaft motor is the cavity design, and rotor 2 stretches out the motor part and designs for the external spline shaft, and transmission shaft 3 is the design of both ends external spline shaft, and the motor moment of torsion passes through transmission shaft 3 and transmits, and the rotor 2 and the transmission shaft 3 of hollow shaft motor do not originally connect, can not directly transmit the moment of torsion. At present, a hollow shaft motor needs to be matched with a torque limiter 5 for use, and the motor rotor 2 and a transmission shaft 3 are connected through the torque limiter 5 and transmit torque.
Disclosure of Invention
The utility model discloses the purpose is to the problem that the aforesaid exists and not enough, provides a hollow shaft motor drive connecting device and hollow shaft motor, and its structural design is reasonable, simple structure, and low cost to the equipment that need not be equipped with torque limiter, can install this device, normally transmits hollow shaft motor moment of torsion to keep the function of equipment fixing torque limiter, select in a flexible way.
In order to realize the purpose, the adopted technical scheme is as follows:
a hollow shaft motor drive connection for a drive connection of a rotor and a drive shaft, comprising:
a coupling body;
the first end cover is arranged at the first end part of the coupler body and is attached to the top support of the end part of the transmission shaft; and
the second end cover is arranged at the second end part of the coupler body and is attached to the annular sinking groove on the rotor and supported;
the coaxial intercommunication in shaft coupling body middle part is provided with first pilot hole and second pilot hole, first pilot hole with the transmission shaft matches the transmission meshing, the second pilot hole with the rotor matches the transmission meshing.
According to the utility model discloses hollow shaft motor drive connecting device, preferably, the rotor tip with the transmission shaft tip all is provided with the external splines, the first pilot hole and the second pilot hole of shaft coupling body are the internal spline hole.
According to the utility model discloses hollow shaft motor drive connecting device, preferably, first end cover with the second end cover all through the bolt with this body coupling joint is fixed.
A hollow shaft motor, comprising:
a motor body;
a drive shaft;
a protective housing; and
the hollow shaft motor driving connecting device is arranged between the rotor and the transmission shaft.
According to the utility model discloses hollow shaft motor preferably, still includes torque limiter, torque limiter with hollow shaft motor drive connecting device can the interchange use.
By adopting the technical scheme, the beneficial effects are as follows:
the utility model discloses simple structure, low cost to the equipment that need not be equipped with torque limiter, can install this device, normally transmit hollow shaft motor moment of torsion to keep the function of equipment fixing torque limiter, when equipment is transferred to complicated stratum construction, this device of detachable, the installation torque limiter, through the predetermined moment of torsion limit value of torque limiter, the damage of overload moment of torsion is avoided to protection hollow shaft motor etc. makes things convenient for the nimble application range of shield structure machine equipment, and provide multiple selection for the customer.
This application can ensure holistic stability through the setting of first end cover and second end cover, avoids taking place and controls the drunkenness, improves transmission structure's stability, improves whole transmission structure's life.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments of the present invention will be briefly described below. The drawings are intended to depict only some embodiments of the invention, and not all embodiments of the invention are limited thereto.
Fig. 1 is a schematic structural view of a hollow shaft motor.
Fig. 2 is a schematic view of an assembly structure of the hollow shaft motor and the torque limiter.
Fig. 3 is an assembly structure diagram of the hollow shaft motor and the drive connection device according to the embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a torque limiter according to an embodiment of the present invention.
Number in the figure:
the motor comprises a motor body 1, a rotor 2, a transmission shaft 3, a protective housing 4, a torque limiter 5, a coupler body 6, a first end cover 7, a second end cover 8, a first assembly hole 9, a second assembly hole 10 and a bolt 11.
Detailed Description
The embodiments of the present invention will be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the invention are shown. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art.
In the description of the present invention, it is to be understood that the terms "first," "second," and the like are used for describing various elements of the present invention, and do not denote any order, quantity, or importance, but rather are used to distinguish one element from another.
It should be noted that when an element is referred to as being "connected," "coupled," or "connected" to another element, it can be directly connected, coupled, or connected, but it is understood that intervening elements may be present therebetween; i.e., positional relationships encompassing both direct and indirect connections.
It should be noted that the use of the terms "a" or "an" and the like do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items.
It should be noted that terms indicating orientation or positional relationship such as "upper", "lower", "left", "right", and the like, are used only for indicating relative positional relationship, which is for convenience of describing the present invention, and not that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation; when the absolute position of the object to be described is changed, the relative positional relationship may also be changed accordingly.
Referring to fig. 1-4, the application discloses a hollow shaft motor driving connection device for the transmission connection of a rotor and a transmission shaft, which comprises a coupling body 6, a first end cover 7 and a second end cover 8, wherein the first end cover 7 is arranged at the first end part of the coupling body 6 and is attached to the end part of the transmission shaft 3 to be supported; the second end cover 8 is arranged at the second end part of the coupling body 6 and is attached to the annular sinking groove on the rotor 2 to be supported; the coaxial intercommunication in 6 middle parts of shaft coupling body is provided with first pilot hole 9 and second pilot hole 10, and first pilot hole 9 matches the transmission meshing with transmission shaft 3, and second pilot hole 10 matches the transmission meshing with rotor 2.
The end part of the rotor 2 and the end part of the transmission shaft 3 are both provided with external splines, and the first assembly hole 9 and the second assembly hole 10 of the coupler body 6 are both internal spline holes.
The first end cover 7 and the second end cover 8 are both fixedly connected with the coupler body 6 through bolts 11.
The application also discloses a hollow shaft motor, which comprises a motor body 1, a transmission shaft 3, a protective housing 4 and a rotor 2, wherein the hollow shaft motor driving connecting device is arranged between the rotor 2 and the transmission shaft 3.
The torque limiter and the hollow shaft motor driving connecting device can be used interchangeably, and different requirements of users can be met.
In the working process, the detailed structure schematic diagram of the present invention is shown in fig. 4. The shaft coupling body is the structure machined part, has two internal spline holes, and simple structure can make by oneself, connects motor rotor external splines and transmission shaft external splines transmission moment of torsion respectively through two internal spline holes, and first end cover and second end cover are connected with this body coupling through the bolt respectively, and fixed transmission shaft and shaft coupling body avoid the play about transmission shaft and shaft coupling. When the torque limiter needs to be installed, the driving connecting device is directly detached, and the torque limiter is installed.
Aiming at equipment without a torque limiter, a driving connecting device is arranged between a motor rotor and a transmission shaft, so that the motor can normally transmit torque. When the shield machine equipment needs to be provided with the torque limiter when the tunneling area is changed, the driving connecting device is directly dismounted, and the torque limiter is mounted. The function of installing the torque limiter is reserved for the driving motor of the shield equipment, the shield equipment is convenient to use flexibly, and multiple choices are provided for customers.
While the above description has described in detail the preferred embodiments for carrying out the invention, it should be understood that these embodiments are presented by way of example only, and are not intended to limit the scope, applicability, or configuration of the invention in any way. The scope of the invention is defined by the appended claims and equivalents thereof. Many modifications may be made to the foregoing embodiments by those skilled in the art in light of the teachings of the present disclosure, and such modifications are intended to be within the scope of the present disclosure.
Claims (5)
1. A hollow shaft motor drive connection for the drive connection of a rotor and a drive shaft, comprising:
a coupling body;
the first end cover is arranged at the first end part of the coupler body and is attached to the top support of the end part of the transmission shaft; and
the second end cover is arranged at the second end part of the coupler body and is attached to the annular sinking groove on the rotor and supported;
the coaxial intercommunication in shaft coupling body middle part is provided with first pilot hole and second pilot hole, first pilot hole with the transmission shaft matches the transmission meshing, the second pilot hole with the rotor matches the transmission meshing.
2. The hollow shaft motor drive connection as recited in claim 1, wherein said rotor end portion and said driveshaft end portion are each provided with external splines and said first and second mounting apertures of said coupling body are each internally splined apertures.
3. The hollow axle motor drive connection of claim 1, wherein said first end cap and said second end cap are each secured to said coupling body by bolts.
4. A hollow shaft motor, comprising:
a motor body;
a drive shaft;
a protective housing; and
a rotor having a hollow shaft motor drive connection as claimed in any one of claims 1 to 3 provided between the rotor and the drive shaft.
5. The hollow axle motor of claim 4, further comprising a torque limiter, said torque limiter being interchangeable with said hollow axle motor drive connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020373496.8U CN211508821U (en) | 2020-03-23 | 2020-03-23 | Hollow shaft motor driving connecting device and hollow shaft motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020373496.8U CN211508821U (en) | 2020-03-23 | 2020-03-23 | Hollow shaft motor driving connecting device and hollow shaft motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211508821U true CN211508821U (en) | 2020-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020373496.8U Active CN211508821U (en) | 2020-03-23 | 2020-03-23 | Hollow shaft motor driving connecting device and hollow shaft motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211508821U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112343843A (en) * | 2020-10-26 | 2021-02-09 | 湖北工程学院 | Disrotatory axial-flow type main ventilator |
| CN115045919A (en) * | 2022-07-15 | 2022-09-13 | 杭州电子科技大学信息工程学院 | Compact coupling for outer rotor motor and mounting method thereof |
-
2020
- 2020-03-23 CN CN202020373496.8U patent/CN211508821U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112343843A (en) * | 2020-10-26 | 2021-02-09 | 湖北工程学院 | Disrotatory axial-flow type main ventilator |
| CN115045919A (en) * | 2022-07-15 | 2022-09-13 | 杭州电子科技大学信息工程学院 | Compact coupling for outer rotor motor and mounting method thereof |
| CN115045919B (en) * | 2022-07-15 | 2023-11-14 | 杭州电子科技大学信息工程学院 | Compact coupler for outer rotor motor and installation method thereof |
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