CN216846161U - Detection system for axial size of bearing - Google Patents
Detection system for axial size of bearing Download PDFInfo
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- CN216846161U CN216846161U CN202220138240.8U CN202220138240U CN216846161U CN 216846161 U CN216846161 U CN 216846161U CN 202220138240 U CN202220138240 U CN 202220138240U CN 216846161 U CN216846161 U CN 216846161U
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- bearing
- contact device
- displacement sensor
- pressure sensor
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Abstract
The utility model provides a bearing axial dimension's detecting system, it includes fixed platform, a supporting fram, contact device and controller, the last horizontally workstation that is equipped with of fixed platform, it sets up on the workstation with the horizontal mode is fixed to wait to detect the bearing, contact device includes lift drive assembly, detect the head, pressure sensor and displacement sensor set up on detecting the head, lift drive assembly passes through the support frame and sets up on fixed platform, it sets up in lift drive assembly's end to detect the head, wherein control connection between the controller and the lift drive assembly among the contact device, pressure sensor among controller and the contact device, signal connection can synthesize pressure sensor between the displacement sensor, displacement sensor's feedback signal judges. The utility model has the advantages of simple structure, high measurement efficiency and good accuracy.
Description
Technical Field
The utility model belongs to the technical field of the bearing detects, concretely relates to feedback signal according to pressure sensor and displacement sensor synthesizes and judges whether qualified detecting system in order to detect bearing axial dimensions.
Background
The bearing is an important part in mechanical equipment, and the main function of the bearing is to support a mechanical rotating body, reduce the friction coefficient in the movement process of the mechanical rotating body and ensure the rotation precision of the mechanical rotating body.
After the bearing is produced, the quality of the bearing needs to be detected, the quality detection of the bearing relates to multiple aspects, and the detection of the inner diameter and the outer diameter, the smoothness and the axial size of the bearing are common.
The existing method for measuring the axial size of the bearing is to use an optical instrument for detection, and has the defects of low detection efficiency, large error and incapability of adapting to various bearing models; therefore, improvements are needed.
SUMMERY OF THE UTILITY MODEL
To prior art's defect, the utility model provides a bearing axial dimensions's detecting system has simple structure, measurement of efficiency height, advantage that the accuracy is good.
In order to realize the above-mentioned purpose, the utility model provides a bearing axial dimension's detecting system, it includes fixed platform, a supporting rack, contact device and controller, the last horizontally workstation that is equipped with of fixed platform, it sets up on the workstation with the horizontal mode is fixed to wait to detect the bearing, contact device includes lift drive assembly, detect the head, pressure sensor and displacement sensor set up on detecting the head, lift drive assembly passes through the support frame and sets up on fixed platform, it sets up in lift drive assembly's execution end to detect the head, wherein control connection between the controller and the lift drive assembly among the contact device, pressure sensor among controller and the contact device, signal connection can synthesize pressure sensor between the displacement sensor, displacement sensor's feedback signal judges.
As the utility model discloses a another kind of concrete implementation scheme is equipped with a plurality of work positions that are used for the fixed bearing that waits to detect on the workstation, detects the head and is equipped with a plurality of working heads with the work position one-to-one, and every working head all is equipped with pressure sensor and the displacement sensor of mutually supporting.
As another specific implementation scheme of the utility model, be the distribution of rectangle array between a plurality of work positions.
As another specific embodiment of the utility model, the support frame includes horizontal support frame and vertical support frame, and vertical support frame sets up on fixed platform, and horizontal support frame is connected on vertical support frame, and wherein contact device sets up on horizontal support frame and is located the workstation and waits to detect directly over the bearing.
As another specific embodiment of the utility model, vertical support frame includes vertical guide rail, and the horizontal support frame slides and sets up on vertical guide rail.
As another specific embodiment of the present invention, the fixing platform is a load-bearing fixing platform.
As another specific embodiment of the present invention, the lifting driving assembly is an electric assembly, a pneumatic assembly or a hydraulic assembly.
The utility model discloses possess following beneficial effect:
the utility model discloses simple structure synthesizes pressure sensor and displacement sensor's feedback signal through the controller and judges, can be quick measure the axial dimensions parameter to the bearing of the same type and reject after screening the defective work, the advantage that measurement of efficiency is high, the accuracy is good.
The utility model discloses in can carry out the detection of a plurality of bearings of the same type simultaneously, be favorable to the extensive screening operation of same batch bearing among the industrial production.
The present invention will be described in further detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the detection system of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.
Example 1
The embodiment provides a bearing axial dimension detection system, as shown in fig. 1, which includes a fixed platform 10, a supporting frame 20, a contact device 30 and a controller.
The fixed platform 10 is preferably a weighing type fixed platform, a horizontal workbench 11 is arranged on the fixed platform 10, the bearing to be detected is fixedly arranged on the workbench 11 in a horizontal mode, the bearing to be detected is fixedly arranged in a clamping and fixing mode through an axial inner ring, for example, and an outer ring of the bearing to be detected is attached to a measured plane, wherein the measured plane is the measuring plane of the instrument.
The contact device 30 includes a lifting driving assembly 31, a detection head 32, a pressure sensor and a displacement sensor, the pressure sensor and the displacement sensor are disposed on the detection head and form a sensor array 33, the lifting driving assembly 31 is disposed on the fixing platform 10 through the supporting frame 20, and the detection head 32 is disposed at an execution end of the lifting driving assembly 31.
The lifting drive assembly 31 is preferably a motorized assembly, and in other examples may be replaced by, for example, a pneumatic or hydraulic assembly.
The controller can be a terminal processor arranged on the fixed platform 10, the controller is in control connection with the lifting driving assembly 31 in the contact device 30, and the controller is in signal connection with the pressure sensor and the displacement sensor in the contact device 30 and can be used for judging by integrating feedback signals of the pressure sensor and the displacement sensor.
Further, a plurality of working positions 12 for fixing the bearing to be detected are arranged on the workbench 11, a plurality of working heads 34 corresponding to the working positions 12 one by one are arranged on the detection head 32, and each working head 34 is provided with a pressure sensor and a displacement sensor which are matched with each other.
The plurality of working positions 12 are distributed in a rectangular array, and the bearings to be detected fixed on the working positions 12 do not interfere with each other.
Still further, the support frame 20 includes a horizontal support frame 21 and a vertical support frame 22, the vertical support frame 22 is disposed on the fixed platform 10, the horizontal support frame 21 is connected to the vertical support frame 22, and the contact device 30 is disposed on the horizontal support frame 21 and located right above the bearing to be detected on the workbench 11.
The utility model discloses an optimal analysis and judgment process is in the controller:
transmitting the signals of the pressure sensor and the signals of the displacement sensor to a controller, wherein a force feedback threshold value, a displacement allowable minimum value and a displacement allowable maximum value are preset in the controller, and the controller analyzes and compares the obtained feedback signals of the pressure sensor and the displacement sensor with the preset values:
1) in the downward movement process of the contact device, if the feedback signal of the pressure sensor exceeds a force feedback threshold value, the fault is indicated, and the measurement is carried out after the fault needs to be stopped and eliminated;
2) judging whether the bearing size of the bearing is qualified or not
2.1) if a detection head in the contact device is in contact with the bearing to be detected before the set displacement allowable minimum value, judging that the bearing to be detected is unqualified;
2.2) if the detection head in the contact device is not contacted with the bearing to be detected after the set displacement allowable maximum value, judging that the bearing to be detected is unqualified;
2.3) if the detection head in the contact device is contacted between the set displacement allowable minimum value and the set displacement allowable maximum value, carrying out comprehensive judgment according to feedback signals of the pressure sensor and the displacement sensor:
after a detection head in the contact device is continuously contacted with a bearing to be detected, if a loading force change value delta F corresponding to a feedback signal of a detected pressure sensor and a distance change value delta x corresponding to a feedback signal of a displacement sensor meet a linear relation, namely Hooke's law delta F is k.delta x, wherein k is a stiffness coefficient, if the k value is within a tolerance range of a preset stiffness coefficient (set according to a qualified bearing), the contact state is judged to be normal;
if the feedback signals of the detected pressure sensor and/or displacement sensor do not change, judging that the placement position of the bearing to be detected has a fault, and detecting again after the bearing to be detected needs to be placed again;
judging that the contact state is abnormal under other conditions, stopping the machine and measuring after the fault is eliminated;
specifically, on the basis that the contact state is normal, the controller compares a feedback signal of the displacement sensor with a set product size tolerance (determined according to the axial size of the bearing to be detected), if the feedback signal is within the product size tolerance range, the bearing to be detected is judged to be qualified, and otherwise, the bearing to be detected is judged to be unqualified.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the scope of the invention. Any person skilled in the art can make some modifications without departing from the scope of the invention, i.e. all equivalent modifications made according to the invention are intended to be covered by the scope of the invention.
Claims (7)
1. The system for detecting the axial size of the bearing is characterized by comprising a fixed platform, a support frame, a contact device and a controller, wherein a horizontal workbench is arranged on the fixed platform, the bearing to be detected is fixedly arranged on the workbench in a horizontal mode, the contact device comprises a lifting driving assembly, a detection head, a pressure sensor and a displacement sensor, the pressure sensor and the displacement sensor are arranged on the detection head, the lifting driving assembly is arranged on the fixed platform through the support frame, the detection head is arranged at the execution tail end of the lifting driving assembly, the controller is in control connection with the lifting driving assembly in the contact device, the controller is in signal connection with the pressure sensor and the displacement sensor in the contact device and can integrate the pressure sensor and the displacement sensor, And judging the feedback signal of the displacement sensor.
2. The system for detecting the axial dimension of the bearing as claimed in claim 1, wherein the workbench is provided with a plurality of working positions for fixing the bearing to be detected, the detection head is provided with a plurality of working heads corresponding to the working positions one by one, and each working head is provided with the pressure sensor and the displacement sensor which are matched with each other.
3. The system for detecting the axial dimension of a bearing of claim 2, wherein a plurality of said work stations are arranged in a rectangular array.
4. The system for detecting the axial dimension of a bearing according to claim 1, wherein the supporting frame comprises a horizontal supporting frame and a vertical supporting frame, the vertical supporting frame is disposed on the fixed platform, the horizontal supporting frame is connected to the vertical supporting frame, and the contact device is disposed on the horizontal supporting frame and is located right above the bearing to be detected on the workbench.
5. The system for detecting the axial dimension of the bearing as claimed in claim 4, wherein the vertical support frame comprises a vertical guide rail, and the transverse support frame is slidably disposed on the vertical guide rail.
6. The system for detecting the axial dimension of a bearing of claim 1, wherein the fixed platform is a load-bearing fixed platform.
7. The system for detecting the axial dimension of a bearing of claim 1, wherein the lifting driving assembly is an electric assembly, a pneumatic assembly or a hydraulic assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220138240.8U CN216846161U (en) | 2022-01-19 | 2022-01-19 | Detection system for axial size of bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220138240.8U CN216846161U (en) | 2022-01-19 | 2022-01-19 | Detection system for axial size of bearing |
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| Publication Number | Publication Date |
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| CN216846161U true CN216846161U (en) | 2022-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220138240.8U Active CN216846161U (en) | 2022-01-19 | 2022-01-19 | Detection system for axial size of bearing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116039257A (en) * | 2022-12-30 | 2023-05-02 | 新源劲吾(北京)科技有限公司 | Printing positioning auxiliary device for color photovoltaic module |
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2022
- 2022-01-19 CN CN202220138240.8U patent/CN216846161U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116039257A (en) * | 2022-12-30 | 2023-05-02 | 新源劲吾(北京)科技有限公司 | Printing positioning auxiliary device for color photovoltaic module |
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