CN215338893U - Jacking mechanism for railway rolling bearing running-in machine - Google Patents
Jacking mechanism for railway rolling bearing running-in machine Download PDFInfo
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- CN215338893U CN215338893U CN202121314742.3U CN202121314742U CN215338893U CN 215338893 U CN215338893 U CN 215338893U CN 202121314742 U CN202121314742 U CN 202121314742U CN 215338893 U CN215338893 U CN 215338893U
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- driving
- linear guide
- guide rail
- jacking mechanism
- rolling bearing
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Abstract
The utility model discloses a jacking mechanism for a railway rolling bearing running-in machine, which comprises a guide mounting seat and an inflatable friction wheel, wherein the guide mounting seat comprises a bottom plate, a support frame arranged on the bottom plate and a linear guide rail arranged on the support frame, the inflatable friction wheel is arranged on the guide mounting seat in a sliding manner along the length extension direction of the linear guide rail, and an included angle of 30-40 degrees is formed between the length extension direction of the linear guide rail and the horizontal plane. When the jacking mechanism is adopted in the running-in process, rolling friction exists between the inflatable friction wheel and the wheel set tread, the friction resistance is small, and the running is stable and reliable.
Description
Technical Field
The utility model relates to the technical field of railway wagon rolling bearing running-in equipment, in particular to a jacking mechanism for a railway rolling bearing running-in machine.
Background
The railway wagon is a vehicle for transporting railway goods, and the wheel axle is an important interchangeable part on the railway wagon, and the technical state of the railway wagon directly influences the running safety of the vehicle. Therefore, a running-in test needs to be carried out on the bearing, the wheel is driven by the simulation wheel set to drive the inner ring of the bearing to rotate through the variable-frequency driving device under the normal working state, and the temperature rise condition of the bearing in the process is further detected. Because the existing bearing running-in equipment is generally arranged under a foundation pit, only a running-in part is exposed out of the ground, and based on the limitation of a structure, under the prior art scheme, a rotating mechanism for driving a wheel pair is a vertical jacking mechanism, and vertically jacks up a driving friction wheel, so that the friction wheel is contacted with the inner side surface of the wheel, a motor drives the friction wheel to rotate to realize running-in of the wheel pair, and further the temperature rise condition of a rolling bearing in the process is measured. The running-in process has the following defects: 1) the friction wheel has poor stress state and large shake during running-in; 2) in the running-in process, the inner side surface of the wheel has sliding friction, and the running-in resistance is large; 3) a vertical jacking mechanism is adopted, and the driving impact in the jacking and descending processes is large; 4) and a vertical jacking mechanism is adopted, so that the wheel set is easy to jack up in the jacking process, and potential safety hazards exist. The above technical problems are the ones that the skilled person is directed to solve.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides a jacking mechanism for a railway rolling bearing running-in machine, which has a simple structure and is stable and reliable in working process.
In order to achieve the purpose, the utility model adopts the technical scheme that: the jacking mechanism for the railway rolling bearing running-in machine comprises a guide mounting seat and an inflatable friction wheel, wherein the guide mounting seat comprises a bottom plate, a support frame arranged on the bottom plate and a linear guide rail arranged on the support frame, the inflatable friction wheel is arranged on the guide mounting seat in a sliding mode along the length extension direction of the linear guide rail, and an included angle of 30-40 degrees is formed between the length extension direction of the linear guide rail and the horizontal plane.
As a specific implementation manner, the tightening mechanism further comprises a driving mounting seat slidably mounted on the linear guide rail, a driving motor for driving the inflatable friction wheel to rotate around the axis direction of the driving mounting seat is mounted on the driving mounting seat, and the inflatable friction wheel is mounted on an output end of the driving motor.
As a specific implementation manner, the supporting frame comprises two vertically arranged supporting plates symmetrically arranged on the bottom plate and a connecting plate arranged between the two supporting plates, an included angle between the upper end surface of each supporting plate and the horizontal plane is controlled to be 30-40 degrees, and the linear guide rail is arranged on the upper end surface of each supporting plate.
As a specific implementation mode, the support frame further comprises two reinforcing ribs I arranged on one side face, opposite to the support plate, of the two support plates and two reinforcing ribs II arranged on one side face, opposite to the support plate, of the support plate, the reinforcing ribs I and the reinforcing ribs II are multiple, and the reinforcing ribs I and the reinforcing ribs II are arranged on the support plate corresponding to the reinforcing ribs I and the reinforcing ribs II at intervals along the length extending direction of the linear guide rail.
In a specific embodiment, the length extension directions of the reinforcing ribs I and the reinforcing ribs II are both perpendicular to the length extension direction of the linear guide rail.
As a specific implementation manner, the tightening mechanism further includes a driving cylinder installed on the bottom plate and used for driving the driving mounting seat to slide along the length extension direction of the linear guide rail, and an output end of the driving cylinder is connected to the driving mounting seat.
As a specific implementation manner, the driving mounting seat comprises a mounting base and a motor mounting seat mounted on the mounting base through a supporting rib plate, the driving motor is mounted on the motor mounting seat, and the mounting base is further provided with a cylinder connecting seat for connecting the output end of the driving cylinder.
As a specific embodiment, the driving motor is a variable frequency driving motor.
In a specific embodiment, the linear guide has a length extending direction with an angle of 30 ° with respect to a horizontal plane.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages: the jacking mechanism for the railway rolling bearing running-in machine adopts the linear guide rail with the included angle of 30-40 degrees with the horizontal plane, so that the inflatable friction wheel can stably rise along the linear guide rail in the running-in process until the inflatable friction wheel is contacted with the wheel tread, and then the wheel is driven to rotate by the rotation of the inflatable friction wheel so as to meet the requirement of the bearing running-in test.
Drawings
FIG. 1 is a schematic structural diagram of a jacking mechanism for a railway rolling bearing running-in machine, which is disclosed by the utility model;
FIG. 2 is a schematic structural view of a guide mount;
FIG. 3 is a schematic structural view of a drive mount;
wherein: 1. a guide mounting seat; 11. a base plate; 12. a support frame; 121. a support plate; 122. a connecting plate; 123. reinforcing ribs I; 124. reinforcing ribs II; 13. a linear guide rail; 3. a drive mounting base; 31. installing a base; 32. supporting the rib plate; 33. a motor mounting seat; 34. a cylinder connecting seat; 4. a drive motor; 5. the cylinder is driven.
Detailed Description
The technical solution of the present invention is further explained with reference to the drawings and the specific embodiments.
A jacking mechanism for a railway rolling bearing running-in machine comprises a guide mounting seat 1 and an inflatable friction wheel 2, and is shown in figure 1. The guide mounting seat 1 comprises a bottom plate 11, a support frame 12 installed on the bottom plate 11 and a linear guide rail 13 installed on the support frame 12, wherein the inflatable friction wheel 2 is installed on the guide mounting seat 1 in a sliding mode along the length extension direction of the linear guide rail 13, and an included angle of 30-40 degrees is formed between the length extension direction of the linear guide rail 13 and the horizontal plane.
Here, the tightening mechanism further includes a driving mount 3 slidably mounted on the linear guide 13, a driving motor 4 for driving the pneumatic friction wheel 2 to rotate around the axis line direction of the driving mount 3 is mounted on the driving mount 3, and the pneumatic friction wheel 2 is mounted on the output end of the driving motor 4, as shown in fig. 3.
Here, the supporting frame 12 includes two vertically arranged supporting plates 121 symmetrically installed on the base plate 11, and a connecting plate 122 installed between the two supporting plates 121, as shown in fig. 2, an angle between an upper end surface of the supporting plate 121 and a horizontal plane is controlled to be 30 ° to 40 °, and the linear guide 13 is installed on the upper end surface of the supporting plate 121.
In this example, the supporting frame 12 further includes a plurality of ribs i 123 disposed on one side surface of the two supporting plates 121 opposite to each other, and a plurality of ribs ii 124 disposed on one side surface of the two supporting plates 121 facing away from each other, as shown in fig. 2, and the plurality of ribs i 123 and the plurality of ribs ii 124 are disposed on the corresponding supporting plates 121 at intervals along the length extending direction of the linear guide 13. In this example, the longitudinal extension directions of the ribs i 123 and the ribs ii 124 are perpendicular to the longitudinal extension direction of the linear guide 13, and the upper ends of the ribs i 123 extend to the lower side surface of the linear guide 13 and the lower ends extend to the upper surface of the connecting plate 122. This setting mode can effectively improve the support stability of support frame 12.
Here, the tightening mechanism further includes a driving cylinder 5 mounted on the base plate 11 for driving the driving mount 3 to slidably move along the longitudinal extension direction of the linear guide 13, and as shown in fig. 1, an output end of the driving cylinder 5 is connected to the driving mount 3.
Specifically, the driving mounting base 3 includes a mounting base 31, and a motor mounting base 33 mounted on the mounting base 31 through a support rib plate 32, the driving motor 4 is mounted on the motor mounting base 33, and the mounting base 31 is further provided with a cylinder connecting seat 34 for connecting an output end of the driving cylinder 5, as shown in fig. 3. Here, the drive motor 4 employs a variable frequency drive motor 4.
In this example, the linear guide 13 has an angle of 30 ° with respect to a horizontal plane in a longitudinal extending direction. Through this angle setting, can make and aerify friction pulley 2 more steady at the lift in-process, whole tight mechanism in top can not take place violent shake at the running-in-process.
The linear guide rail 13 is arranged to be inclined, an included angle between the linear guide rail 13 and the horizontal plane is controlled to be 30-40 degrees, the driving mounting seat 3 can stably ascend along the length extension direction of the linear guide rail 13 under the driving of the driving air cylinder 5 until the inflatable friction wheel 2 is contacted with a wheel tread, then the driving motor 4 drives the inflatable friction wheel 2 to rotate, the wheel is further driven to rotate, the running-in test of the wheel is realized, the inflatable friction wheel 2 is adopted, rolling friction exists between the inflatable friction wheel 2 and the wheel tread in the running-in process, the friction resistance is small, and the running is stable; in addition, the driving cylinder 5 is adopted for driving, so that the inflatable friction wheel 2 is in flexible contact (gas can be compressed) with the wheel set tread, and the adverse effect caused by the out-of-round wheel set is overcome; meanwhile, the jacking mechanism decomposes the upward jacking force of the driving cylinder 5 in the jacking process, so that the upward jacking force cannot jack up the wheel pair, and the potential safety hazard of jacking up the wheel pair caused by the adoption of a vertical jacking mechanism in the prior art is eliminated; when the air supply to the drive cylinder 5 is cut off, the drive mount 3 slides down slowly in the direction of the longitudinal extension of the linear guide 13, and its impact force is much smaller than that of the linear descent occurring in the vertical lift mechanism.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (9)
1. The jacking mechanism for the railway rolling bearing running-in machine is characterized by comprising a guide mounting seat and an inflatable friction wheel, wherein the guide mounting seat comprises a bottom plate, a support frame arranged on the bottom plate and a linear guide rail arranged on the support frame, the inflatable friction wheel is arranged on the guide mounting seat in a sliding manner along the length extension direction of the linear guide rail, and an included angle of 30-40 degrees is formed between the length extension direction of the linear guide rail and the horizontal plane.
2. The jacking mechanism for the railway rolling bearing running-in machine is characterized by further comprising a driving installation seat which is slidably installed on the linear guide rail, wherein a driving motor used for driving the inflatable friction wheel to rotate around the axis direction of the inflatable friction wheel is installed on the driving installation seat, and the inflatable friction wheel is installed at the output end of the driving motor.
3. The jacking mechanism for the railway rolling bearing running-in machine is characterized in that the supporting frame comprises two vertically arranged supporting plates and a connecting plate, the two supporting plates are symmetrically arranged on the bottom plate, the connecting plate is arranged between the two supporting plates, the included angle between the upper end surfaces of the supporting plates and the horizontal plane is controlled to be 30-40 degrees, and the linear guide rail is arranged on the upper end surfaces of the supporting plates.
4. The jacking mechanism for the railway rolling bearing running-in machine is characterized in that the supporting frame further comprises reinforcing ribs I arranged on one side face, opposite to the two supporting plates, of the two supporting plates and reinforcing ribs II arranged on one side face, opposite to the two supporting plates, of the two supporting plates, the reinforcing ribs I and the reinforcing ribs II are multiple, and the reinforcing ribs I and the reinforcing ribs II are arranged on the supporting plates corresponding to the reinforcing ribs I and the reinforcing ribs II at intervals along the length extending direction of the linear guide rail.
5. The jacking mechanism for the railway rolling bearing running-in machine is characterized in that the length extending directions of the reinforcing ribs I and the reinforcing ribs II are perpendicular to the length extending direction of the linear guide rail.
6. The jacking mechanism for the railway rolling bearing running-in machine is characterized by further comprising a driving air cylinder which is installed on the bottom plate and used for driving the driving installation seat to slide along the length extension direction of the linear guide rail, and the output end of the driving air cylinder is connected to the driving installation seat.
7. The jacking mechanism for the railway rolling bearing running-in machine is characterized in that the driving mounting seat comprises a mounting base and a motor mounting seat mounted on the mounting base through a supporting rib plate, the driving motor is mounted on the motor mounting seat, and a cylinder connecting seat for connecting the output end of the driving cylinder is further arranged on the mounting base.
8. The jacking mechanism for the railway rolling bearing running-in machine is characterized in that the driving motor is a variable frequency driving motor.
9. The jacking mechanism for the railway rolling bearing running-in machine of claim 1, wherein the included angle between the length extension direction of the linear guide rail and the horizontal plane is 30 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121314742.3U CN215338893U (en) | 2021-06-11 | 2021-06-11 | Jacking mechanism for railway rolling bearing running-in machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121314742.3U CN215338893U (en) | 2021-06-11 | 2021-06-11 | Jacking mechanism for railway rolling bearing running-in machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215338893U true CN215338893U (en) | 2021-12-28 |
Family
ID=79557596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121314742.3U Active CN215338893U (en) | 2021-06-11 | 2021-06-11 | Jacking mechanism for railway rolling bearing running-in machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215338893U (en) |
-
2021
- 2021-06-11 CN CN202121314742.3U patent/CN215338893U/en active Active
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