CN219673120U - Bearing frame of quick centering and connection - Google Patents
Bearing frame of quick centering and connection Download PDFInfo
- Publication number
- CN219673120U CN219673120U CN202321126645.0U CN202321126645U CN219673120U CN 219673120 U CN219673120 U CN 219673120U CN 202321126645 U CN202321126645 U CN 202321126645U CN 219673120 U CN219673120 U CN 219673120U
- Authority
- CN
- China
- Prior art keywords
- bearing
- centering
- main shaft
- quick
- spindle
- 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
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 229910052751 metal Inorganic materials 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 13
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 10
- 229910052697 platinum Inorganic materials 0.000 claims description 5
- 210000002445 nipple Anatomy 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 4
- 230000007246 mechanism Effects 0.000 abstract description 4
- 238000012545 processing Methods 0.000 abstract description 4
- 230000005484 gravity Effects 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Support Of The Bearing (AREA)
Abstract
The utility model discloses a bearing seat capable of being quickly centered and connected, which comprises a bearing shell, a front end bearing, a rear end bearing, a bearing main shaft and a centering main shaft, wherein the front end bearing is connected with the bearing shell; the bearing main shaft is connected with the bearing shell through the front end bearing and the rear end bearing, the bearing main shaft is a hollow shaft, the centering main shaft is positioned in the bearing main shaft and is in sliding fit, and in addition, the centering main shaft is in transmission connection with the bearing main shaft through a rectangular spline pair. The bearing seat is characterized in that a main shaft is selected to be made into a hollow shaft, spline teeth and a centering buffer mechanism are moved backwards, the structure and the space of a front end device are greatly saved, the whole gravity center is moved backwards, and the whole rigidity and the whole stability are improved; through improving the structure, the two parts are all revolving parts, so that the processing is convenient, and the precision of the parts is easy to ensure; the centering device is added by improving the structures of the centering main shaft and the bearing main shaft, so that the precision and dynamic balance quality of equipment are guaranteed, and the installation is convenient; by improving the fixing mode of the bearing shell, the overall rigidity and the limit of the installation space are improved, and the stability of the system is facilitated.
Description
Technical Field
The utility model relates to the technical field of automatic test tables, in particular to a bearing seat capable of being quickly centered and connected.
Background
The gearbox is used as a key component in a vehicle transmission system, and the whole vehicle has high requirements on performance and reliability. The performance data of the gearbox is accurately measured, and the basis of continuously optimizing the design of the gearbox in the development process is also ensured. Therefore, in the development process of the gearbox, a gearbox bench test for performing various performance tests is an essential important link.
The gearbox bench is applied to rotary automatic test tables such as an engine, a motor, a gearbox and the like and is used for connecting a test product drive or load shaft so as to meet the requirements of torque and power transmission equipment, and meanwhile, automatic production and beat are required to be met.
The prior art scheme is as follows: firstly, the existing device adopts a solid shaft scheme, and a torque transmission and buffer mechanism is arranged in front, so that the defects of poor centering precision, large rotation runout, difficult guarantee of dynamic balance, large structural volume and the like exist. Secondly, the existing device adopts a stand type fixing scheme, and is unfavorable for design and arrangement due to space and structure limitation, so that the whole shafting is long, poor in rigidity and the like.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model aims to provide a bearing seat which is quickly centered and connected, so as to solve the problems that the whole shaft system is lengthened, the rigidity is poor and the like due to the fact that the existing device is limited by space and structure and is not beneficial to design and arrangement.
Therefore, the utility model provides a bearing seat capable of being quickly centered and connected, which comprises a bearing shell, a front end bearing, a rear end bearing, a bearing main shaft and a centering main shaft; the bearing main shaft is connected with the bearing shell through the front end bearing and the rear end bearing, the bearing main shaft is a hollow shaft, the centering main shaft is positioned in the bearing main shaft and is in sliding fit, and in addition, the centering main shaft is in transmission connection with the bearing main shaft through a rectangular spline pair.
Further, the front shaft diameter of the centering main shaft is supported on a centering ring, the rear shaft diameter of the centering main shaft is supported on a guide ring, and the centering ring and the guide ring are respectively in interference fit with the inner cavity of the bearing main shaft.
Further, the front end of the bearing main shaft is provided with a limiting cover, and the limiting cover is positioned on the outer side of the centering ring.
Further, a compression spring is arranged at the tail end of the centering main shaft, and an end cover connected with the tail end of the bearing main shaft is arranged at the other end of the compression spring.
Further, the rear end bearing is fixed on the bearing main shaft through a clamp spring.
Further, the front end bearing is fixed on the bearing main shaft through a lock nut.
Further, through holes I are respectively formed in positions, corresponding to the front end bearing and the rear end bearing, of the bearing shell, and platinum thermal resistors are arranged in the through holes I.
Further, the front end of the bearing shell is provided with a front end bearing cover, and the rear end of the bearing shell is provided with a rear end bearing cover.
Further, a second through hole is further formed in the bearing shell, and a nipple is arranged on the second through hole.
Further, a proximity switch is arranged on the bearing shell, a first metal ring is arranged on the centering main shaft, and the proximity switch is located on one radial side of the first metal ring.
According to the bearing seat capable of being quickly centered and connected, the selected main shaft is made into the hollow shaft, the spline teeth and the centering buffer mechanism are moved backwards, the structure and the space of the front end device are greatly saved, the whole gravity center is moved backwards, and the whole rigidity and the stability are improved; through improving the structure, the two parts are all revolving parts, so that the processing is convenient, and the precision of the parts is easy to ensure; the centering device is added by improving the structures of the centering main shaft and the bearing main shaft, so that the precision and dynamic balance quality of equipment are guaranteed, and the installation is convenient; by improving the fixing mode of the bearing shell, the overall rigidity and the limit of the installation space are improved, and the stability of the system is facilitated.
In addition to the objects, features and advantages described above, the present utility model has other objects, features and advantages. The present utility model will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 is a schematic perspective view of a bearing housing of the present utility model in a quick centering and coupling configuration;
FIG. 2 is a top view of the quick-centering and connecting bearing housing of the present utility model;
FIG. 3 is a right side view of the quick-centering and connecting bearing housing of the present utility model;
FIG. 4 is an A-A cross-sectional view of the quick-centering and connecting bearing housing of the present utility model;
description of the reference numerals
1. A bearing housing; 2. a front end bearing; 3. a bearing spindle; 4. centering ring; 5. a limit cover; 6. a second metal ring; 7. a first metal ring; 8. a lock nut; 9. a front end bearing cap; 10. centering the main shaft; 11. a rear end bearing; 12. clamping springs; 13. an end cap; 14. a compression spring; 15. a guide ring; 16. a rear end bearing cap; 17. a bracket; 18. a proximity switch; 19. a platinum thermal resistor; 20. and a nipple.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
As shown in fig. 1 to 4, the bearing housing of the present utility model, which is rapidly centered and connected, comprises: a bearing housing 1, a front end bearing 2, a rear end bearing 11, a bearing spindle 3 and a centering spindle 10; the bearing main shaft 3 is connected with the bearing shell 1 through the front end bearing 2 and the rear end bearing 11, the bearing main shaft 3 is a hollow shaft, and the centering main shaft 10 is positioned in the bearing main shaft 3 and is in sliding fit.
Specifically, the bearing housing 1 is internally provided with a front end bearing 2 and a rear end bearing 11 in the front and rear, the front end bearing 2 is fixed on the bearing spindle 3 by a lock nut 8, and the rear end bearing 11 is fixed on the bearing spindle 3 by a snap spring 12.
The front end bearing cover 9 is used for fixing the bearing main shaft 3 and the front end bearing 2 in the bearing shell 1, the rear end bearing 11 is sealed in the bearing shell 1 through the rear end bearing cover 16, so that the inside of a cavity structure formed by the bearing main shaft 3 and the bearing shell 1 is kept sealed, and then cooling and lubricating can be performed through lubricating oil.
Specifically, as shown in fig. 4, the bearing main shaft 3 is of a hollow structure, the front shaft diameter of the centering main shaft 10 is supported on the centering ring 4, the rear shaft diameter of the centering main shaft 10 is supported on the guide ring 15, and the centering ring 4 and the guide ring 15 are in interference fit with the inner cavity of the bearing main shaft 3, so that the centering main shaft 10 is in sliding fit with the bearing main shaft 3.
The centering main shaft 10 and the bearing main shaft 3 are in transmission connection by utilizing a rectangular spline pair structure, the centering main shaft 10 and the bearing main shaft 3 always keep synchronous rotation, and the centering main shaft can freely stretch out and draw back by utilizing the rectangular spline pair structure.
The end of the centering main shaft 10 is provided with the compression spring 14, the other end of the compression spring 14 is limited by the end cover 13, and the end cover 13 is detachably and fixedly connected with the end of the bearing main shaft 3, so that the processing and the assembly are convenient.
In addition, be equipped with spacing lid 5 at the front end of bearing main shaft 3, spacing lid 5 is located centering ring 4 outside, simultaneously, is equipped with annular boss on the centering main shaft 10, and it is spacing to centering ring 4 and centering main shaft 10 through spacing lid 5, avoids centering main shaft 10 travel distance too big.
As shown in fig. 1 and 2, the device integrates a proximity switch 18, the proximity switch 18 is fixed on the bearing housing 1 through a bracket 17, the proximity switch 18 is located on one radial side of the metal ring 7, the metal ring 7 is fixed on the centering main shaft 10, and the proximity switch 18 is used for detecting the position of the metal ring 7 so as to judge whether the centering main shaft 10 is reset or not. In addition, a second metal ring 6 is arranged outside the first metal ring 7, and the second metal ring 6 is fixed on the first metal ring 7 and locked on the centering main shaft 10.
As shown in fig. 1 to 3, through holes one are respectively formed in positions corresponding to the front end bearing 2 and the rear end bearing 11 on the bearing housing 1, a platinum thermal resistor 19 is arranged in the through hole one, a through hole two is further formed in the bearing housing 1, a nozzle 20 is mounted on the through hole two, the temperature of the front end bearing 2 and the rear end bearing 11 is detected through the platinum thermal resistor 19, and the front end bearing 2 and the rear end bearing 11 are filled with oil through the nozzle 20.
In summary, the bearing seat which is quickly centered and connected is applied to an automatic test board and is used for connecting a test product driving or loading shaft so as to meet the requirements of torque and power transmission equipment, and meanwhile, automatic shaft butt joint is realized.
The technical scheme is as follows: (1) The main shaft of the bearing is made into a hollow shaft, and a spline pair and a compression spring are arranged at the rear end; (2) Centering devices are added on the inner sides of two ends of the bearing main shaft, so that the rotation precision and the processing difficulty of the centering main shaft are improved; (3) The bearing shell is changed into a flange type, the length of a centering main shaft is reduced by utilizing the length of a cantilever of the shell, and the integral rigidity is improved; (4) The structure is optimized, so that the front end structure of the centering main shaft is simplified, and the centering main shaft is convenient to manufacture and assemble; (5) The device integrates structures such as temperature, oiling, vibration, position detection and the like.
In addition, the bearing pedestal solves the following problems through the technical scheme: (1) The main shaft is made into a hollow shaft, the spline teeth and the centering buffer mechanism are moved backwards, the structure and the space of the front end device are greatly saved, the whole gravity center is moved backwards, and the whole rigidity and the whole stability are improved; (2) After the spline teeth are moved backwards, a centering device is added at the front end, so that the rotation precision of the whole shafting is guaranteed; (3) After the spline teeth are moved backwards, the whole structure is staggered, so that the manufacturing difficulty and the assembly convenience are improved; (4) The frame type structure of the shell is changed, so that the limitation of space and structure is greatly improved; (5) The guiding performance of the compression spring during expansion and contraction is improved, and the compression spring is smoother.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. The bearing seat is characterized by comprising a bearing shell (1), a front end bearing (2), a rear end bearing (11), a bearing main shaft (3) and a centering main shaft (10);
the bearing main shaft (3) is connected with the bearing shell (1) through the front end bearing (2) and the rear end bearing (11), the bearing main shaft (3) is a hollow shaft, the centering main shaft (10) is positioned in the bearing main shaft (3) and is in sliding fit, and in addition, the centering main shaft (10) is in transmission connection with the bearing main shaft (3) through a rectangular spline pair.
2. The quick-centering and connecting bearing housing according to claim 1, characterized in that the front axle diameter of the centering spindle (10) is supported on a centering ring (4), the rear axle diameter of the centering spindle (10) is supported on a guide ring (15), and the centering ring (4), the guide ring (15) are respectively in interference fit with the inner cavity of the bearing spindle (3).
3. The quick-centering and connecting bearing housing according to claim 2, characterized in that the front end of the bearing spindle (3) is provided with a limit cap (5), the limit cap (5) being located outside the centering ring (4).
4. The quick-centering and connecting bearing housing according to claim 1, characterized in that the centering spindle (10) is provided with a compression spring (14) at its end, the other end of the compression spring (14) being provided with an end cap (13) connected to the end of the bearing spindle (3).
5. The quick-centering and connecting bearing housing according to claim 1, characterized in that the rear end bearing (11) is fixed to the bearing spindle (3) by means of a snap spring (12).
6. The quick-centering and connecting bearing housing according to claim 1, characterized in that the front end bearing (2) is fixed to the bearing spindle (3) by means of a lock nut (8).
7. The bearing seat for quick centering and connection according to claim 1, characterized in that through holes I are respectively arranged on the bearing housing (1) at positions corresponding to the front end bearing (2) and the rear end bearing (11), and platinum thermal resistors (19) are arranged in the through holes I.
8. The quick-centering and connecting bearing housing according to claim 1, characterized in that the front end of the bearing housing (1) is provided with a front end bearing cap (9) and the rear end of the bearing housing (1) is provided with a rear end bearing cap (16).
9. The quick-centering and connecting bearing housing according to claim 8, characterized in that the bearing housing (1) is further provided with a second through hole, on which a nipple (20) is mounted.
10. The quick-centering and connecting bearing housing according to claim 1, characterized in that a proximity switch (18) is provided on the bearing housing (1), a metal ring one (7) is provided on the centering spindle (10), and the proximity switch (18) is located on one radial side of the metal ring one (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321126645.0U CN219673120U (en) | 2023-05-10 | 2023-05-10 | Bearing frame of quick centering and connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321126645.0U CN219673120U (en) | 2023-05-10 | 2023-05-10 | Bearing frame of quick centering and connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219673120U true CN219673120U (en) | 2023-09-12 |
Family
ID=87921503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321126645.0U Active CN219673120U (en) | 2023-05-10 | 2023-05-10 | Bearing frame of quick centering and connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219673120U (en) |
-
2023
- 2023-05-10 CN CN202321126645.0U patent/CN219673120U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN219673120U (en) | Bearing frame of quick centering and connection | |
| CN112461539A (en) | Gear box test bed | |
| CN209513285U (en) | For testing the experimental rig of flexural pivot bushing deflection and torsional direction rigidity | |
| CN110702284A (en) | Novel dynamometer | |
| CN115493521A (en) | Brake disc geometric tolerance detection equipment based on vision technology | |
| CN216160160U (en) | Coupling torque measuring machine | |
| CN213933109U (en) | Gear box test bed | |
| CN212391157U (en) | Dynamometer and motor test device | |
| KR20100087201A (en) | Testing device for automatic transmission | |
| CN220154597U (en) | Transmission system and motor dynamic test board | |
| CN212605416U (en) | Wheel steering angle detection device | |
| CN210198646U (en) | Air tightness detection device for research and development of improved universal joint | |
| CN208849623U (en) | A kind of machining center B axle transmission mechanism | |
| CN112129531A (en) | Bipolar telescopic loading docking mechanism | |
| CN215726805U (en) | Engine test connecting device | |
| CN217179578U (en) | Excircle degree detection device for hub bearing machining | |
| CN106546494B (en) | Automobile hub rotary bending testing machine | |
| CN220084213U (en) | New energy automobile motor test loading dynamometer | |
| CN206990702U (en) | A kind of internal spline motor and dynamometer machine attachment means | |
| CN216030349U (en) | High-performance mandrel precision inspection tool | |
| CN214951909U (en) | Testing device for outer rotor motor dynamometer bench | |
| CN215431551U (en) | High-rigidity electric main shaft bearing framework | |
| CN218271152U (en) | Electric eddy current dynamometer | |
| CN220147486U (en) | Quick-release device for pedal of electric vehicle | |
| CN219327730U (en) | Steering output shaft |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |