CN210665901U - Adjustable cantilever shaft inertia disc load loading device - Google Patents
Adjustable cantilever shaft inertia disc load loading device Download PDFInfo
- Publication number
- CN210665901U CN210665901U CN201920994280.0U CN201920994280U CN210665901U CN 210665901 U CN210665901 U CN 210665901U CN 201920994280 U CN201920994280 U CN 201920994280U CN 210665901 U CN210665901 U CN 210665901U
- Authority
- CN
- China
- Prior art keywords
- inertia
- dish
- disc
- shaft
- inertia disc
- 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
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model provides an adjustable cantilever axle inertia dish load loading device, including basic shaft, the cover that expands, base member inertia dish, end cover and removable inertia dish, expand the cover with the base member inertia dish all cup joints the one end of basic shaft just the cover that expands is located the basic shaft with between the base member inertia dish, the end cover install in the surface and the extrusion of base member inertia dish expand the cover, removable inertia dish is ring shape and can dismantle and be fixed in base member inertia dish surface is around. The utility model provides an adjustable cantilever shaft inertia disc load loading device, which adopts a replaceable inertia disc to realize adjustable inertia load within a certain range, and can better meet the requirement of test on adjustable inertia load change; the utility model discloses each group's inertia dish all adopts the circumference symmetry design, and the installation is simple swift, can effectively alleviate inertia dish gyration centrifugal force to the influence of test, improves operating mode condition.
Description
Technical Field
The utility model relates to a servo drive and servo motor test field especially relate to an adjustable cantilever shaft inertia dish load loading device.
Background
In the test and test process of the servo drive and the servo motor, performance parameters and stability of products under different loads need to be tested, and loading devices required by different test requirements are different, so that inertia discs with corresponding inertia need to be selected and used according to different test requirements. The traditional method for changing the inertia is to design inertia discs with different loads, and change the inertia of a rotor by changing the diameter or the thickness of the rotor; however, each test requirement of the mode corresponds to one inertia disc specification, so that resources are wasted, the inertia disc is complex to replace, and the test efficiency is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an adjustable cantilever axle is used to measurement dish load loading device, each kind of test requirement that aims at being used for solving current mode that changes inertia all corresponds an inertia dish specification, and not only resource-wasting changes the inertia dish moreover loaded down with trivial details, influences efficiency of software testing's problem.
The utility model discloses a realize like this:
the utility model provides an adjustable cantilever axle inertia dish load loading device, including basic shaft, the cover that expands, base member inertia dish, end cover and removable inertia dish, expand the cover with the base member inertia dish all cup joints the one end of basic shaft just the cover that expands is located the basic shaft with between the base member inertia dish, the end cover install in the surface and the extrusion of base member inertia dish expand the cover, removable inertia dish is ring shape and can dismantle and be fixed in base member inertia dish surface is around.
Furthermore, the expansion sleeve is located in the middle of the inner side of the base inertia disc, one end of the expansion sleeve is stopped on the base inertia disc, a circle of abdicating groove is concavely arranged at the position, close to the outer surface, of the inner side of the base inertia disc, the expansion sleeve partially extends into the abdicating groove, the end cover is provided with an annular extrusion part protruding out of the surface of the end cover and matched with the abdicating groove, and the extrusion part extends into the abdicating groove and extrudes the expansion sleeve.
Further, the expansion sleeve is provided with two groups which are arranged side by side, and each group of expansion sleeve comprises an expansion sleeve inner ring and an expansion sleeve outer ring which are sleeved with each other.
Further, the replaceable inertia discs are one or more inertia discs with priority coefficients.
Furthermore, a plurality of screw holes are uniformly distributed in each replaceable inertia disc along the circumferential direction, fixing holes corresponding to the screw holes are formed in the base inertia disc, and screws penetrate through the screw holes and the fixing holes to fix the replaceable inertia disc and the base inertia disc.
Further, when the replaceable inertia disc is provided with a plurality of replaceable inertia discs, the replaceable inertia discs are overlapped together, and the replaceable inertia discs and the base inertia disc are fixed through-length screws.
Furthermore, when the replaceable inertia discs are multiple, two adjacent replaceable inertia discs are fixed through a group of screws, and the positions of two adjacent groups of screws are arranged in a staggered mode.
Further, the base shaft is a motor shaft or a shaft connected with the motor through a coupler.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model provides an adjustable cantilever shaft inertia disc load loading device, which adopts a replaceable inertia disc to realize adjustable inertia load within a certain range, and can better meet the requirement of test on adjustable inertia load change; the inertia discs of each group of the utility model adopt the circumferential symmetry design, the installation is simple and rapid, the influence of the rotation centrifugal force of the inertia discs on the test can be effectively reduced, and the working condition is improved; the utility model discloses but the motor is installed to the direct mount or through the shaft coupling, and structural rigidity is high, and the operation is stable, reliable, the various complicated operating modes of adaptation that can be better.
Drawings
Fig. 1 is a cross-sectional view of an adjustable cantilever shaft inertia disc load loading device provided in an embodiment of the present invention when a replaceable inertia disc is installed;
fig. 2 is a cross-sectional view of an adjustable cantilever axle inertia disc load loading device provided by an embodiment of the present invention when a plurality of replaceable inertia discs are installed;
fig. 3 is a side view of an adjustable cantilever shaft inertia disk load loading device according to an embodiment of the present invention.
Description of reference numerals: 1-base shaft, 2-base body inertia disc, 3-expansion sleeve inner ring, 4-expansion sleeve outer ring, 5-end cover, 6-replaceable inertia disc, 7-abdicating groove, 8-extruding part, 9-screw hole and 10-fixing hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 and 2, the embodiment of the utility model provides an adjustable cantilever axle inertia dish load loading device, including basic shaft 1, the cover that expands, base member inertia dish 2, end cover 5 and removable inertia dish 6, basic shaft 1 is the motor shaft or for the axle of being connected through shaft coupling and motor, expand the cover with base member inertia dish 2 all cup joints the one end of motor is kept away from to basic shaft 1, just it is located to expand the cover basic shaft 1 with between the base member inertia dish 2 for hookup basic shaft 1 and base member inertia dish 2 make it rotate in step. The end cover 5 is installed on the outer surface of the base body inertia disc 2 and extrudes the expansion sleeve, the friction force between the expansion sleeve and the base shaft 1 and between the expansion sleeve and the base body inertia disc 2 is increased through the extrusion expansion sleeve, the base shaft 1 and the base body inertia disc 2 are fixed relatively and firmly, and meanwhile, the end cover 5 can limit the front end of the base shaft 1 and prevent the front and back movement of the base shaft. The replaceable inertia disc 6 is annular and is detachably fixed on the periphery of the outer surface of the base body inertia disc 2, the replaceable inertia disc 6 is designed in a circumferential symmetry mode, installation is simple and rapid, the influence of the rotary centrifugal force of the inertia disc on testing can be effectively reduced, and working conditions are improved; the replaceable inertia disc 6 is detachably connected with the base body inertia disc 2, so that inertia load in a certain range can be adjusted by replacing the replaceable inertia disc 6, and the requirement of testing on adjustable inertia load change can be well met.
The embodiment is refined, the expansion sleeve is located at the middle position of the inner side of the base body inertia disc 2, one end of the expansion sleeve is blocked on the base body inertia disc 2, a circle of abdicating groove 7 is concavely arranged at the position, close to the outer surface, of the inner side of the base body inertia disc 2, the expansion sleeve partially extends into the abdicating groove 7, the end cover 5 is provided with an annular extrusion part 8 protruding out of the surface of the end cover 5 and matched with the abdicating groove 7, the end cover 5 is fixed with the base body inertia disc 2 through a plurality of screws uniformly distributed along the circumference, after the fixation, the extrusion part 8 just extends into the abdicating groove 7 and extrudes the expansion sleeve, and the annular extrusion part 8 is just located around the base shaft 1, so that the base shaft 1 can be well limited.
Preferably, the expansion sleeves are provided with two groups which are arranged side by side, each group of expansion sleeves comprises an expansion sleeve inner ring 3 and an expansion sleeve outer ring 4 which are sleeved with each other, and the relative fixation between the base shaft 1 and the base body inertia disc 2 is more reliable through the two groups of expansion sleeves.
Preferably, the replaceable inertia disc 6 is one or more inertia discs with priority coefficients, the replaceable inertia disc 6 can be designed into symmetrical rings with different thicknesses or different size rules according to the priority coefficients, or designed into rings with the same specification size according to the moment of inertia multiplied by the priority coefficients, and the priority coefficients can be selected according to 0.1, 0.2, 0.5, 1, 2 and 5. The requirement of inertia replacement can be met by increasing or decreasing the number of the replaceable inertia discs 6 or replacing the replaceable inertia discs with different sizes each time.
Further detailing the above embodiments, as shown in fig. 3, each replaceable inertia disk 6 is uniformly distributed with a plurality of screw holes 9, six in this embodiment, the base inertia disk 2 is provided with fixing holes 10 corresponding to the screw holes 9, the replaceable inertia disk 6 is fixed with the base inertia disk 2 by passing screws through the screw holes 9 and the fixing holes 10, and the positions of the screws are uniformly distributed along the circumference, so that the rotational centrifugal force of the inertia disk can be effectively reduced.
Further, when the replaceable inertia disc 6 has a plurality of parts, there are two fixing methods. One way is that a plurality of the replaceable inertia discs 6 are overlapped together and the replaceable inertia discs 6 and the base inertia disc 2 are fixed through a through-length screw. The other mode is that two adjacent replaceable inertia discs 6 are fixed through a group of screws, and the positions of two adjacent groups of screws are arranged in a staggered mode.
The utility model provides an adjustable cantilever shaft inertia disc load loading device, which adopts a replaceable inertia disc 6 to realize adjustable inertia load within a certain range, and can better meet the requirement of testing on adjustable inertia load change; the inertia discs of each group of the utility model adopt the circumferential symmetry design, the installation is simple and rapid, the influence of the rotation centrifugal force of the inertia discs on the test can be effectively reduced, and the working condition is improved; the utility model discloses but the motor is installed to the direct mount or through the shaft coupling, and structural rigidity is high, and the operation is stable, reliable, the various complicated operating modes of adaptation that can be better.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides an adjustable cantilever axle inertia dish load loading device which characterized in that: including basic shaft, the cover that expands, base member inertia dish, end cover and removable inertia dish, expand the cover with the base member inertia dish all cup joints the one end of basic shaft just the cover that expands is located the basic shaft with between the base member inertia dish, the end cover install in the surface of base member inertia dish and extrusion the cover that expands, removable inertia dish is ring shape and can dismantle and be fixed in around the base member inertia dish surface.
2. The adjustable cantilever shaft inertia disc load apparatus of claim 1, wherein: the expansion sleeve is located in the middle of the inner side of the base inertia disc, one end of the expansion sleeve is stopped on the base inertia disc, a circle of abdicating groove is concavely arranged at the position, close to the outer surface, of the inner side of the base inertia disc, the expansion sleeve part extends into the abdicating groove, the end cover is provided with an annular extrusion part protruding out of the surface of the end cover and matched with the abdicating groove, and the extrusion part extends into the abdicating groove and extrudes the expansion sleeve.
3. The adjustable cantilever shaft inertia disc load apparatus of claim 1, wherein: the expansion sleeve is provided with two groups which are arranged side by side, and each group of expansion sleeve comprises an expansion sleeve inner ring and an expansion sleeve outer ring which are sleeved with each other.
4. The adjustable cantilever shaft inertia disc load apparatus of claim 1, wherein: the end cover is fixed with the base inertia disc through a screw, the diameter of the end cover is smaller than that of the base inertia disc, and the replaceable inertia disc is located on the outer side of the end cover.
5. The adjustable cantilever shaft inertia disc load apparatus of claim 1, wherein: the replaceable inertia discs are one or more inertia discs with priority coefficients.
6. The adjustable cantilever shaft inertia disc load apparatus of claim 5, wherein: each replaceable inertia disc is uniformly provided with a plurality of screw holes along the circumferential direction, the base body inertia disc is provided with fixing holes corresponding to the screw holes, and the replaceable inertia disc and the base body inertia disc are fixed through screws penetrating through the screw holes and the fixing holes.
7. The adjustable cantilever shaft inertia disc load apparatus of claim 6, wherein: when the replaceable inertia discs are multiple, the replaceable inertia discs are overlapped together and fixed with the base inertia disc through long screws.
8. The adjustable cantilever shaft inertia disc load apparatus of claim 6, wherein: when the replaceable inertia discs are multiple, two adjacent replaceable inertia discs are fixed through a group of screws, and the positions of two adjacent groups of screws are arranged in a staggered mode.
9. The adjustable cantilever shaft inertia disc load apparatus of claim 1, wherein: the base shaft is a motor shaft or a shaft connected with the motor through a coupler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920994280.0U CN210665901U (en) | 2019-06-28 | 2019-06-28 | Adjustable cantilever shaft inertia disc load loading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920994280.0U CN210665901U (en) | 2019-06-28 | 2019-06-28 | Adjustable cantilever shaft inertia disc load loading device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210665901U true CN210665901U (en) | 2020-06-02 |
Family
ID=70817399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920994280.0U Active CN210665901U (en) | 2019-06-28 | 2019-06-28 | Adjustable cantilever shaft inertia disc load loading device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210665901U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113595278A (en) * | 2021-07-30 | 2021-11-02 | 珠海格力电器股份有限公司 | Rotor subassembly and have its motor |
-
2019
- 2019-06-28 CN CN201920994280.0U patent/CN210665901U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113595278A (en) * | 2021-07-30 | 2021-11-02 | 珠海格力电器股份有限公司 | Rotor subassembly and have its motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7517155B2 (en) | Resilient mount of uniform stiffness | |
| CN210665901U (en) | Adjustable cantilever shaft inertia disc load loading device | |
| CN204828378U (en) | Prevent damping device of excess revolutions | |
| CN205404117U (en) | Radial three -dimensional loading device of antifriction bearing | |
| WO2015188640A1 (en) | Bearing | |
| CN213981844U (en) | Rotational speed type damper | |
| KR20170031036A (en) | Fluid driving device, motor assembly and centrifugal friction clutch thereof | |
| CN104455003B (en) | Weight-reduction pin type roller bearing retainer | |
| AU627747B2 (en) | Impeller for an axial flow fan | |
| CN210033758U (en) | Piston link assembly and compressor with same | |
| CN208503270U (en) | High-accuracy magnetic-suspension main-shaft | |
| CN118339386A (en) | Component for receiving and clamping a rotor | |
| CN211316354U (en) | Limiting structure of cross-flow fan blade, cross-flow fan blade and air conditioner | |
| CN208619632U (en) | A kind of synchronous pulley with overload protection | |
| CN208982487U (en) | A kind of high leakproofness double row tapered roller bearing | |
| KR102034265B1 (en) | Rotation apparatus | |
| CN217002311U (en) | Impeller assembling structure | |
| TWM592464U (en) | Hydraulic power generating device | |
| CN212567931U (en) | Device for detecting bearing precision | |
| CN216464380U (en) | Preassembling tool | |
| CN215178617U (en) | Thin-wall bearing test device | |
| JP7386708B2 (en) | Bearing assemblies, rotor assemblies, and blowers | |
| CN216975539U (en) | High-performance low-resistance heat dissipation oil baffle disc | |
| CN209348851U (en) | Minitype vertical type supercentrifuge | |
| CN203981348U (en) | A kind of revolving meber dynamic balance test tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |