CN217211441U - Vibration detection device for electric steering column - Google Patents
Vibration detection device for electric steering column Download PDFInfo
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- CN217211441U CN217211441U CN202220755946.9U CN202220755946U CN217211441U CN 217211441 U CN217211441 U CN 217211441U CN 202220755946 U CN202220755946 U CN 202220755946U CN 217211441 U CN217211441 U CN 217211441U
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- steering column
- vibration
- vibration sensor
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Abstract
The utility model discloses an electric steering column's vibration detection device, include: the device comprises a fixed base, a cylinder connecting structure, two quick fixing bolts, a driving cylinder assembly, a vibration sensor fixed support and two vibration sensors; the cylinder connecting structure is provided with a connecting plate and two supporting arms; the fixed base is supported on the supporting arm and is fixedly connected with the connecting plate; the support arm is provided with a threaded through hole, and the quick fixing bolt can fix the vibration detection device on the detection platform through the threaded through hole on the support arm; the driving air cylinder assembly is provided with a fixed part, a movable part and a driving air cylinder, the fixed part is fixed on the air cylinder connecting structure, the movable part is connected with the fixed part in a guiding manner, the driving air cylinder is fixed on the fixed part, and the movable part is driven to move up and down along the fixed part; the vibration sensor fixing support is fixedly connected with the movable part, and the vibration sensor is fixed on the vibration sensor fixing support.
Description
Technical Field
The utility model relates to an automatic change the detection area, concretely relates to electric steering column's vibration detection device
Background
Along with stricter quality requirements of a product platform on UCS electric steering column products, the vibration detection device at a single-point position used in the prior art can not meet the quality requirements of new products through simple contact with the products, and in addition, the vibration detection device with large volume can not be added due to small equipment space.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model provides one set of vibration detection device, can measure the product vibration condition with high accuracy to small simple to operate.
In order to solve the technical problem, the utility model provides a vibration detection device of an electric steering column, which comprises a fixed base, a cylinder connecting structure, two quick fixing bolts, a driving cylinder component, a vibration sensor fixed bracket and two vibration sensors;
the cylinder connecting structure is provided with a connecting plate and two supporting arms; the fixed base is supported on the supporting arm and is fixedly connected with the connecting plate; the support arm is provided with a threaded through hole, and the quick fixing bolt can fix the vibration detection device on the detection platform through the threaded through hole on the support arm; the driving air cylinder assembly is provided with a fixed part, a movable part and a driving air cylinder, the fixed part is fixed on the air cylinder connecting structure, the movable part is connected with the fixed part in a guiding manner, the driving air cylinder is fixed on the fixed part, and the movable part is driven to move up and down along the fixed part; the vibration sensor fixing support is fixedly connected with the movable part, and the vibration sensor is fixed on the vibration sensor fixing support;
preferably, the fixed base comprises at least one positioning pin and a boss, the positioning pin is fixed on the upper surface of the boss and matched with two positioning holes at the bottom of the electric steering column, and the boss is matched with the internal control at the bottom of the electric steering column.
Preferably, the fixing base further comprises a supporting member, one end of the supporting member is fixed on the side surface of the boss, and the other end of the supporting member is used for supporting the electric steering column.
Preferably, the fixing part further comprises a guide rail, and the driving cylinders are fixed on two sides of the guide rail.
Preferably, the driving cylinder assembly further comprises an air inlet and an air outlet, the air inlet and the air outlet are fixed on the fixed part and connected with the driving cylinder pipeline.
Preferably, two mounting holes are formed in the vibration sensor fixing support, an annular nylon sleeve is fixed in each mounting hole, an internal thread is formed in the inner wall of each nylon sleeve, an external thread is formed in the mounting portion of the vibration sensor, and the vibration sensor is fixed in the nylon sleeve through threaded connection.
Preferably, the fixed distance between the two vibration sensors is the distance between the middle lines of the two bearing seats at the two ends of the transmission worm of the electric steering column.
Preferably, the vibration sensor further has a communication cable electrically connected to an external data acquisition device.
Compared with the prior art, the technical scheme of this application, the measuring point is more, more is close the product vibration source, and the measuring result can be more sensitive, and this device structure occupation space is little in addition, has simple to operate, advantage that stable in structure measurement accuracy is high.
Drawings
Fig. 1 is a schematic structural view of a vibration detecting apparatus of an electric power steering column according to an embodiment;
FIG. 2 is a schematic view of a stationary base structure and a connecting electric steering column according to an embodiment;
FIG. 3 is a schematic structural diagram of the vibration detection apparatus after the fixing base is hidden according to an embodiment;
fig. 4 is a use state reference diagram of the vibration detection device of the electric power steering column according to the embodiment.
Detailed Description
As shown in fig. 1 to 4, the present embodiment provides a vibration detection apparatus for an electric steering column, which includes a fixing base 1, a cylinder connection structure 2, two quick fixing bolts 3, a driving cylinder assembly 4, a vibration sensor fixing bracket 5, and two vibration sensors 6. The cylinder connecting structure is provided with a connecting plate and two supporting arms; the fixed base is supported on the supporting arm and is fixedly connected with the connecting plate;
the support arm is provided with a threaded through hole, and the quick fixing bolt can fix the vibration detection device on the detection platform through the threaded through hole on the support arm; the driving air cylinder assembly is provided with a fixed part 41, a movable part 42 and a driving air cylinder 43, the fixed part is fixed on an air cylinder connecting structure, the movable part is connected with the fixed part in a guiding manner, the driving air cylinder is fixed on the fixed part, and the movable part is driven to move up and down along the fixed part; the vibration sensor fixing support is fixedly connected with the movable part, and the vibration sensor is fixed on the vibration sensor fixing support;
as shown in fig. 2, the fixing base includes at least one positioning pin and a boss, the positioning pin is fixed on the upper surface of the boss and is matched with two positioning holes at the bottom of the electric steering column, and the boss is matched with the internal control at the bottom of the electric steering column. The fixed base further comprises a supporting piece, one end of the supporting piece is fixed on the side face of the boss, and the other end of the supporting piece is used for supporting the electric steering column.
The fixed part also comprises a guide rail, and the driving cylinders are fixed on two sides of the guide rail. The driving cylinder assembly further comprises an air inlet and an air outlet, wherein the air inlet and the air outlet are fixed on the fixing part and connected with a driving cylinder pipeline.
Preferably, two mounting holes are formed in the vibration sensor fixing support, an annular nylon sleeve is fixed in each mounting hole, an internal thread is formed in the inner wall of each nylon sleeve, an external thread is formed in the mounting portion of the vibration sensor, and the vibration sensor is fixed in the nylon sleeve through threaded connection.
The fixed distance between the two vibration sensors is the distance between the middle lines of the two bearing seats at the two ends of the transmission worm of the electric steering column. The vibration sensor is also provided with a communication cable which is electrically connected with an external data acquisition device.
The detection method of the electric power steering column by the vibration detection device is described as follows:
the electric steering column is placed on the fixed base, and a certain distance is reserved between the electric steering column and the vibration sensor at the moment so as to protect the vibration sensor from being damaged due to external force collision.
During measurement, the air cylinder assembly is driven to drive the vibration sensor to ascend and contact with the shell of the electric steering column, and the position of the vibration sensor is just positioned at two bearing seats at two ends of the transmission worm. And when the electric steering column is in a test running state, measuring whether the vibration noise of the two bearing positions meets the requirement or not, thereby determining whether the product is a qualified product or not and whether the product can be delivered off line or not.
In addition, when the vibration sensor is driven by the air cylinder to be in contact with a product, the vibration noise figure at the moment is subjected to zero clearing and peeling operation, so that the accuracy of the measured value is determined, and errors caused by vibration of the detection device are avoided.
Compared with the prior art, the measuring points of the scheme are more, the product vibration source is closer, the measuring result can be more sensitive, and in addition, the device has the advantages of small structure occupation space, convenience in installation and high structural stability and measuring precision.
The above description is only an example of the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and those skilled in the art should be able to realize the equivalent alternatives and obvious variations of the present invention.
Claims (8)
1. A vibration detecting apparatus of an electric power steering column, comprising:
the device comprises a fixed base, a cylinder connecting structure, two quick fixing bolts, a driving cylinder assembly, a vibration sensor fixed support and two vibration sensors;
the cylinder connecting structure is provided with a connecting plate and two supporting arms;
the fixed base is supported on the supporting arm and is fixedly connected with the connecting plate;
the support arm is provided with a threaded through hole, and the quick fixing bolt can fix the vibration detection device on the detection platform through the threaded through hole on the support arm;
the driving air cylinder assembly is provided with a fixed part, a movable part and a driving air cylinder, the fixed part is fixed on the air cylinder connecting structure, the movable part is connected with the fixed part in a guiding manner, the driving air cylinder is fixed on the fixed part, and the movable part is driven to move up and down along the fixed part;
the vibration sensor fixing support is fixedly connected with the movable part, and the vibration sensor is fixed on the vibration sensor fixing support.
2. The vibration detecting apparatus of an electric power steering column according to claim 1, characterized in that:
the fixing base comprises at least one positioning pin and a boss, the positioning pin is fixed on the upper surface of the boss and matched with two positioning holes in the bottom of the electric steering column, and the boss is matched with the internal control in the bottom of the electric steering column.
3. The vibration detecting apparatus of an electric power steering column according to claim 2, characterized in that:
the fixed base further comprises a supporting piece, one end of the supporting piece is fixed to the side face of the boss, and the other end of the supporting piece is used for supporting the electric steering column.
4. The vibration detecting apparatus of an electric power steering column according to claim 1, characterized in that:
the fixed part also comprises a guide rail, and the driving cylinders are fixed on two sides of the guide rail.
5. The vibration detecting apparatus of an electric power steering column according to claim 4, characterized in that:
the driving cylinder assembly further comprises an air inlet and an air outlet, wherein the air inlet and the air outlet are fixed on the fixing part and connected with a driving cylinder pipeline.
6. The vibration detecting apparatus of an electric power steering column according to claim 1, characterized in that:
the vibration sensor fixing support is provided with two mounting holes, an annular nylon sleeve is fixed in each mounting hole, the inner wall of each nylon sleeve is provided with an internal thread, the mounting part of the vibration sensor is provided with an external thread, and the vibration sensor is fixed in the nylon sleeve through threaded connection.
7. The vibration detecting apparatus of an electric power steering column according to claim 1, characterized in that:
the fixed distance between the two vibration sensors is the distance between the middle lines of the two bearing seats at the two ends of the transmission worm of the electric steering column.
8. The vibration detecting apparatus of an electric power steering column according to claim 1, characterized in that:
the vibration sensor is also provided with a communication cable which is electrically connected with an external data acquisition device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220755946.9U CN217211441U (en) | 2022-03-31 | 2022-03-31 | Vibration detection device for electric steering column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220755946.9U CN217211441U (en) | 2022-03-31 | 2022-03-31 | Vibration detection device for electric steering column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217211441U true CN217211441U (en) | 2022-08-16 |
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ID=82760310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220755946.9U Active CN217211441U (en) | 2022-03-31 | 2022-03-31 | Vibration detection device for electric steering column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217211441U (en) |
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2022
- 2022-03-31 CN CN202220755946.9U patent/CN217211441U/en active Active
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