CN209791785U - Centrifuge rocking arm supports and transmission structure - Google Patents
Centrifuge rocking arm supports and transmission structure Download PDFInfo
- Publication number
- CN209791785U CN209791785U CN201920615356.4U CN201920615356U CN209791785U CN 209791785 U CN209791785 U CN 209791785U CN 201920615356 U CN201920615356 U CN 201920615356U CN 209791785 U CN209791785 U CN 209791785U
- Authority
- CN
- China
- Prior art keywords
- supporting seat
- motor
- mounting surface
- rotating arm
- connecting piece
- 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
Landscapes
- Centrifugal Separators (AREA)
Abstract
The utility model discloses a centrifuge rotating arm supporting and transmission structure, which comprises a supporting seat, a bearing group, a transition piece, a connecting piece and a switching piece; because the rotating arm of the utility model is directly supported on the supporting seat, the supporting rigidity is greatly improved compared with the supporting rigidity which is directly and fixedly arranged on the motor shaft; in addition, the torque of the motor is transmitted to the rotating arm through the connecting piece, and the connecting piece is reasonably designed, so that the torsional rigidity of the connecting piece is higher, the vibration of the motor can be well isolated, and the transmission to the rotating arm is avoided; the supporting seat and the upper end cover of the motor adopt a sleeving structure, so that the whole system is compact in structure; meanwhile, the motor mounting surface and the supporting seat mounting surface are relatively close to each other, are parallel to each other or are positioned on the same plane, are provided with the same mounting base, and are machined to meet the mounting requirements of the motor mounting surface and the supporting seat mounting surface, so that the mounting and adjusting work difficulty of the whole structure is reduced, and the better coaxiality of the supporting seat and the motor shaft is ensured.
Description
Technical Field
The utility model belongs to the technical field of centrifuge, concretely relates to centrifuge rocking arm supports and transmission structure.
Background
the centrifuge is widely applied to the aspects of civil engineering, aerospace, test calibration and the like as a test platform. According to different functions, the specific structure of the centrifuge has certain differences, but the principle is basically consistent, and the structure and the composition are approximately equivalent. The main structure is indispensable for power source, transmission main shaft and tumbler, and the support of transmission main shaft and its connection with tumbler are different according to the specific situation.
the typical centrifuge transmission main shaft support transmission mode mainly comprises the following two schemes:
1. Scheme 1 is shown in fig. 4 and 5, wherein a motor 1 is shown; a motor shaft 11; a motor mounting surface 12; the rigid connecting piece 10, the motor shaft (the output shaft of the reducer) is the transmission main shaft, and the rotating arm is directly and fixedly arranged on the motor shaft through the rigid connecting component.
2. scheme 2 is shown in fig. 6 and 7, which show a motor 1; a motor shaft 11; a motor mounting surface 12; a rotating arm 2; a support base 3; a support seat mounting surface 31; a bearing 4; a coupling 8; a connecting shaft 9; the rigid connecting piece 10, the motor shaft (the output shaft of the speed reducer) is connected with the transmission main shaft through a coupler, and the transmission main shaft is provided with a special supporting system. The rotating arm is fixedly arranged on the transmission main shaft through a rigid connecting component.
The two schemes are widely applied in the field of the existing centrifugal machine, and the technology is mature. But has certain disadvantages aiming at different equipment requirements.
1. The rotating arm is directly arranged on a motor shaft in the scheme 1, the supporting rigidity is low, and the motor can generate electromagnetic vibration which cannot be eliminated in the driving process, so that the rotating arm is directly influenced.
2. the main disadvantages of scheme 2 are large installation size, not compact structure, need to design multilayer installation surface, and relatively large installation and adjustment difficulty.
In order to solve the problems, a rotating arm supporting and transmission structure of a centrifugal machine is developed by people.
Disclosure of Invention
The objective of the present invention is to provide a support and transmission structure for the rotating arm of a centrifuge.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
a centrifuge tumbler supports and transmits the structure, is used for the connection between tumbler and the electrical machinery, there are vertical through holes on the tumbler; the support and transmission structure includes:
a supporting seat; the supporting seat is funnel-shaped and reversely covers the top of the motor; the bottom of the supporting seat forms a circular supporting seat mounting surface, and the side wall of the motor forms a circular motor mounting surface which is expanded towards the periphery; the supporting seat mounting surface and the motor mounting surface are parallel or positioned on the same plane, and the supporting seat mounting surface and the motor mounting surface are fixedly mounted on the same base;
a bearing set; the top of the supporting seat is formed into a circular-ring columnar transverse supporting structure, a bearing set is fixedly sleeved on the transverse supporting structure, and the outer ring of the bearing set is connected with the through hole wall of the rotating arm;
A transition piece;
A connecting member;
An adapter; the motor shaft penetrates from the bottom inside the transverse supporting structure and penetrates out of the upper end of the transverse supporting structure; the top end of the motor shaft is rigidly connected with the transition piece; the adapter is rigidly connected with the rotating arm; the transition piece is connected with the adapter piece through a connecting piece for transmitting torque.
The beneficial effects of the utility model reside in that:
the utility model relates to a centrifuge rotating arm supporting and transmission structure;
1. Because the rotating arm is directly supported on the supporting seat, the supporting rigidity is greatly improved compared with the rigidity which is directly and fixedly arranged on the motor shaft;
2. In addition, the torque of the motor is transmitted to the rotating arm through the connecting piece, and the connecting piece is reasonably designed, so that the torsional rigidity of the connecting piece is higher, the vibration of the motor can be well isolated, and the transmission to the rotating arm is avoided;
3. the supporting seat and the upper end cover of the motor adopt a sleeving structure, so that the whole system is compact in structure; meanwhile, the motor mounting surface and the supporting seat mounting surface are relatively close to each other, are parallel to each other or are positioned on the same plane, are provided with the same mounting base, and are machined to meet the mounting requirements of the motor mounting surface and the supporting seat mounting surface, so that the mounting and adjusting work difficulty of the whole structure is reduced, and the better coaxiality of the supporting seat and the motor shaft is ensured.
Drawings
Fig. 1 is a cross-sectional view of the present invention;
FIG. 2 is an enlarged schematic view of a portion a of FIG. 1;
fig. 3 is a bottom view of the present invention;
FIG. 4 is a cross-sectional view of a prior art one;
FIG. 5 is a bottom view of the first prior art;
FIG. 6 is a cross-sectional view of a prior art two;
fig. 7 is a bottom view of a second prior art.
in the figure: 1-a motor; 11-motor shaft; 12-motor mounting face; 2-rotating arm; 3-a support seat; 31-a support seat mounting surface; 32-lateral support structure; 4-bearing set; 5-transition piece; 6-connecting piece; 7-an adaptor; 8-a coupler; 9-a connecting shaft; 10-rigid connection.
Detailed Description
the present invention will be further explained with reference to the accompanying drawings:
example 1, as shown in fig. 5, 6, 7;
A centrifuge tumbler 2 supports and transmits the structure, is used for the connection between tumbler 2 and the electrical machinery 1, there are vertical through holes on the tumbler 2; the support and transmission structure includes:
a support base 3; the supporting seat 3 is funnel-shaped, and the supporting seat 3 is reversely covered on the top of the motor 1; the bottom of the supporting seat 3 forms a circular supporting seat mounting surface 31, and the side wall of the motor 1 forms a circular motor mounting surface 12 which is unfolded towards the periphery; the support seat mounting surface 31 is parallel to or positioned on the same plane as the motor mounting surface 12, and the support seat mounting surface 31 and the motor mounting surface 12 are fixedly mounted on the same base;
a bearing set 4; the top of the supporting seat 3 is formed into a circular cylindrical transverse supporting structure 32, a bearing group 4 is fixedly sleeved on the transverse supporting structure 32, and the outer ring of the bearing group 4 is connected with the through hole wall of the rotating arm 2;
A transition piece 5;
a connecting piece 6;
an adaptor 7; the motor shaft 11 penetrates from the bottom inside the transverse support structure 32 and penetrates from the upper end thereof; the top end of the motor shaft 11 is rigidly connected with the transition piece; the adapter 7 is rigidly connected with the rotating arm 2; the transition piece is connected with the adapter piece 7 through a connecting piece 6 for transmitting torque.
The rotating arm 2 in the application is mainly supported by the supporting seat 3 (mainly embodied in that the connecting position of the supporting seat 3 and the rotating arm 2 through the bearing set 4 is positioned below the rigid connecting position of the adaptor 7 and the rotating arm 2), and the gravity of the rotating arm 2 is transmitted to the supporting seat 3 through the bearing set 4 and then transmitted to the geotechnical structure; the bearing set 4 can enable the rotating arm 2 and the supporting seat 3 to smoothly rotate relatively; the rotating arm 2 is secondarily transmitted to the motor shaft 11 for supporting by adopting the adapter 7, the connecting piece 6 and the transition piece 5;
example 2, as shown in fig. 5, 6;
This example differs from example 1 in that: transition piece 5 suit is at the top lateral wall of motor shaft 11, and connecting piece 6 is installed on the top upper portion of motor shaft 11, and adaptor 7 is installed on connecting piece 6 upper portion. Transition 5 is a transition ring in this application, and this transition ring is connected with motor shaft 11 through tight cover that expands, and connecting piece 6 includes upper end ring flange and lower extreme ring flange, and connecting piece 6 is connected with transition ring upper end through the lower extreme ring flange, and connecting piece 6 is connected with 7 lower extremes of adaptor through the upper end ring flange, and adaptor 7 upper ends also are provided with the ring flange, and adaptor 7 passes through the ring flange and is connected with the rocking arm.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (2)
1. a centrifuge tumbler supports and transmits the structure, is used for the connection between tumbler and the electrical machinery, there are vertical through holes on the tumbler; its characterized in that, supports and transmission structure includes:
a supporting seat; the supporting seat is funnel-shaped and reversely covers the top of the motor; the bottom of the supporting seat forms a circular supporting seat mounting surface, and the side wall of the motor forms a circular motor mounting surface which is expanded towards the periphery; the supporting seat mounting surface and the motor mounting surface are parallel or positioned on the same plane, and the supporting seat mounting surface and the motor mounting surface are fixedly mounted on the same base;
a bearing set; the top of the supporting seat is formed into a circular-ring columnar transverse supporting structure, a bearing set is fixedly sleeved on the transverse supporting structure, and the outer ring of the bearing set is connected with the through hole wall of the rotating arm;
a transition piece;
A connecting member;
an adapter; the motor shaft penetrates from the bottom inside the transverse supporting structure and penetrates out of the upper end of the transverse supporting structure; the top end of the motor shaft is rigidly connected with the transition piece; the adapter is rigidly connected with the rotating arm; the transition piece is connected with the adapter piece through a connecting piece for transmitting torque.
2. a centrifuge rotor arm support and transmission structure according to claim 1, wherein: the transition piece is sleeved on the side wall of the top end of the motor shaft, the connecting piece is installed on the upper portion of the top end of the motor shaft, and the adapter is installed on the upper portion of the connecting piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920615356.4U CN209791785U (en) | 2019-04-30 | 2019-04-30 | Centrifuge rocking arm supports and transmission structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920615356.4U CN209791785U (en) | 2019-04-30 | 2019-04-30 | Centrifuge rocking arm supports and transmission structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209791785U true CN209791785U (en) | 2019-12-17 |
Family
ID=68831658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920615356.4U Active CN209791785U (en) | 2019-04-30 | 2019-04-30 | Centrifuge rocking arm supports and transmission structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209791785U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109967269A (en) * | 2019-04-30 | 2019-07-05 | 中国工程物理研究院总体工程研究所 | A kind of support of centrifuge pivoted arm and drive mechanism |
-
2019
- 2019-04-30 CN CN201920615356.4U patent/CN209791785U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109967269A (en) * | 2019-04-30 | 2019-07-05 | 中国工程物理研究院总体工程研究所 | A kind of support of centrifuge pivoted arm and drive mechanism |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103874852B (en) | Drive system for wind power plant | |
| CN201862784U (en) | Rear-mounted direct-driven high-speed hydrostatic main shaft structure of numerical control machine tool | |
| CN207611282U (en) | A kind of engaging experimental bench for motor controller of new energy automobile | |
| CN101011794A (en) | Double axle table of AC permanent magnetic synchronization external-rotor-type force moment motor drive | |
| CN209791785U (en) | Centrifuge rocking arm supports and transmission structure | |
| CN208548815U (en) | Horizontal permanent-magnetic synchronizes submersible motor kludge production platform | |
| CN206250950U (en) | A kind of cantilever style permanent-magnet synchronous coupler | |
| CN102398214A (en) | Static pressure workbench for extra-large vertical grinder | |
| CN107863873B (en) | High-speed synchronous permanent magnet coupler and installation method thereof | |
| CN102649096B (en) | Gear motor for a mill drive system | |
| CN206962635U (en) | The mixed dynamic gearbox of one kind | |
| CN109833982B (en) | Geotechnical drum type centrifuge device | |
| CN110238415A (en) | Lathe spindle | |
| CN200995329Y (en) | Double-shaft rotation platform driven by AC permanent-magnetic synchronizing external-rotor torque motor | |
| CN105465203A (en) | High-elastic coupling with supporting effect | |
| CN202448030U (en) | Static pressure worktable for super large vertical grinder | |
| CN206747600U (en) | A kind of revolution at a high speed bearing block | |
| CN103568746A (en) | Drive assembly for tire service machine | |
| KR20110035107A (en) | Wheel assmbly for an electric vehicle | |
| CN209239074U (en) | The high rotating accuracy static pressure electric main shaft of high rigidity | |
| CN102102673A (en) | Super-long submerged stirring and conveying pump | |
| CN207735599U (en) | A kind of high-frequency high-speed main shaft device of integrated Z axis | |
| CN112460417A (en) | Single-shaft rotary table with high precision and high resolution | |
| CN106080165A (en) | A kind of ISG hybrid power transmission system | |
| CN109245424B (en) | High-reliability magnetic suspension high-speed intelligent motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |