CN216869522U - A flatness measuring device for rolling bearings - Google Patents

Abstract

A flatness measuring device for rolling bearings, comprising a clamp body, a pressure sensing assembly arranged on the clamp body and adjustable in position, and a support assembly for supporting a positioning bearing, characterized in that the clamp body includes a clamp head , a pliers handle for holding and applying force, the pliers head includes an upper pliers and a lower pliers, the pressure sensing assembly includes a sensor arranged on the upper pliers, the end of the sensor away from the upper pliers touches Connected to the bearing surface, the support assembly includes a rotatable rotating block, and an end of the rotating block close to the sensor is used for positioning the bearing. It solves the defects of inconvenient portability and low detection efficiency in the general bearing flatness detection device.

Description

A flatness measuring device for rolling bearings

technical field

The utility model belongs to the technical field of bearing detection, in particular to a flatness measuring device of a rolling bearing.

Background technique

Bearing is one of the indispensable parts in modern production and life. Rolling bearing is a kind of bearing, which usually includes inner ring, outer ring and rolling elements. In order to ensure the good performance of the bearing in practical application, and to facilitate the improvement of the bearing later, Before the actual application of the bearing, the relevant performance needs to be tested according to the actual use environment. The flatness of the high-precision bearing ring directly affects the groove swing and vertical difference of the ring, which in turn affects the rotation accuracy and performance of the entire set of bearings.

At present, the flatness detection device in the bearing industry is generally heavy, and it is usually placed on a platform when the device is used. When the staff carries out random inspection of the processed bearings in order to achieve a rapid evaluation of the quality of the batch, they usually bring the bearings to the device for inspection.

For the related methods in the above, when the number of detections is large, the work efficiency will be reduced. The inventor believes that the general bearing flatness detection device has the defects of being inconvenient to carry and low in detection efficiency.

SUMMARY OF THE INVENTION

In order to solve the defects of inconvenient portability and low detection efficiency of a general bearing flatness detection device, the present application provides a flatness measurement device of a rolling bearing.

The flatness measuring device of a rolling bearing provided by the present application adopts the following technical scheme: comprising a clamp body, a pressure sensing assembly arranged on the clamp body and adjustable in position, and a support assembly for supporting a positioning bearing, the The forceps body includes a forceps head and a forceps handle for holding and applying force, the forceps head includes an upper forceps and a lower forceps, the pressure sensing assembly includes a sensor arranged on the upper forceps, and the sensors are far away from the One end of the upper clamp abuts on the bearing surface, the support assembly includes a rotatable rotating block, and one end of the rotating block close to the sensor is used for positioning the bearing.

By adopting the above technical solution, when the staff needs to measure the bearing, they must first hold and apply force on the clamp handle, so that the upper clamp and the lower clamp are far away from each other, and then the bearing is placed on the rotating block, and then force is applied to the clamp handle Then, the upper clamp and the lower clamp return to the initial position, and the position of the sensor is adjusted according to the position of the bearing, so that one end of the sensor is attached to the surface of the bearing, and finally the measurement is performed. The device has a simple structure, and at the same time, the arrangement of the clamp handle and the clamp head is different from the general bearing measurement device fixed on the table, which is convenient for the staff to carry around and complete the measurement work at any time.

Optionally, the pressure sensing assembly further includes a connection block, the end of the connection block away from the upper clamp is connected to the sensor, and the upper clamp is provided with a U-shaped through hole for the connection block to slide. , one end of the connecting block away from the sensor is positioned on the upper clamp through a positioning bolt.

By adopting the above technical solution, when the staff needs to adjust the position of the sensor according to the position of the bearing, it is necessary to first loosen the positioning bolt, and then move the connecting block. When the sensor moves to the position opposite to the bearing, then tighten the positioning bolt. The design of the device is relatively simple, and the economy of the device fabrication is improved.

Optionally, the support assembly further includes a fixing block threadedly connected to the lower clamp, an end of the fixing block close to the upper clamp is provided with an insertion hole, and the rotating block includes one end inserted into the upper clamp. An insertion column in the insertion hole, and a support table arranged on the insertion column for placing the bearing.

By adopting the above technical solution, the staff places the bearing on the support table, and applies force on the rotating block to make the rotating block rotate and then drive the bearing to rotate, that is, the comprehensive detection of the bearing surface by the sensor is completed, and the flatness measurement result is improved. accuracy.

Optionally, the support table is made of rubber, and an end surface of the support table close to the upper clamp is embedded with a magnetic iron.

By adopting the above technical solution, when the staff needs to measure the bearing, they must first place the bearing on the magnetic attraction iron on the support table, and in the subsequent detection of the bearing, force the support table to rotate, and then realize the sensor Accurate detection of the flatness of the inner and outer rings of the bearing. The setting of the magnetic attraction improves the stability of the bearing fixed on the support table.

Optionally, the fixed block is provided with a fixed bearing in the insertion hole.

By adopting the above technical solution, the fixed block passes through the fixed bearing, and the arrangement of the fixed bearing ensures the stability of the positioning of the fixed block, and at the same time improves the rotation precision of the fixed block.

Optionally, a display screen connected to the pressure sensing assembly is provided on one end surface of the upper clamp away from the lower clamp.

By adopting the above technical solution, the data of the bearing measured by the staff can be directly obtained from the data displayed on the display screen, which is convenient for the staff to obtain directly and improves the efficiency and accuracy of the detection.

Optionally, the lower clamp is provided with an IoT signal transmitting module.

By adopting the above technical solution, the data of the display screen can be automatically recorded in the network equipment through the Internet of Things signal transmission module, which facilitates subsequent analysis of the results, and improves the comprehensiveness of the functions of the detection device.

Optionally, insulating plastic is sleeved on the pliers handle.

By adopting the above technical solution, the insulating plastics are arranged to facilitate the staff to hold the pliers handle with one hand, so as to prevent injury to the palm of the staff when the staff exerts force.

To sum up, the present application includes at least one of the following beneficial technical effects:

1. A flatness measuring device of a rolling bearing is provided with a clamp handle, which is convenient for staff to carry and improves the portability of the device;

2. The upper clamp is provided with a movable pressure sensor component, so that the staff can adjust the position of the pressure sensor according to the size of the bearing, which improves the measurement range of the device;

3. The end of the rotary table close to the upper clamp is installed with a magnetic iron, which improves the stability of the bearing fixed on the rotary table.

Description of drawings

Fig. 1 is a structural diagram of a flatness measuring device of a rolling bearing

Fig. 2 is a partial structural diagram of a flatness measuring device of a rolling bearing.

Figure 3 is an exploded view of the support assembly.

FIG. 4 is a flow chart of uploading sensor detection data to the terminal.

Description of reference numerals: 1, clamp handle; 2, clamp head; 201, upper clamp; 202, lower clamp; 3, pressure sensing assembly; 301, connecting block; 302, sensor; 4, positioning bolt; 5, display screen 601, fixed block; 602, rotating block; 6021, plug column; 6022, support table; 7, plug hole; 8, fixed bearing;

Detailed ways

The present application will be further described in detail below in conjunction with accompanying drawings 1-4.

The embodiment of the present application discloses a flatness measuring device of a rolling bearing. Referring to FIG. 1 , it includes a clamp body, a pressure sensing assembly 3 for measuring the bearing, and a support assembly 6 for supporting the bearing. The pliers body includes a pliers head 2 and a pliers handle 1 hinged with the pliers head 2 through a rotating shaft. The pliers head 2 includes an upper pliers 201 on which the pressure sensing assembly 3 is installed, and a lower pliers 202 on which the support assembly 6 is installed. The bearings are placed on the upper pliers. 201 and the lower jaw 202 on the support assembly 6. The display screen 5 is installed on the end surface of the upper clamp 201 away from the lower clamp 202 , and the lower clamp 202 is installed with an IoT signal transmitting module.

When the worker detects the bearing, when the worker needs to measure the bearing placed on the support assembly 6, it is necessary to adjust the position of the pressure sensing assembly 3 and exert force on the support assembly 6 to make the bearing rotate, thereby realizing the device separately. Measurement of the flatness of the inner and outer rings of a bearing. The staff can directly obtain the measurement value from the display screen 5, and the value will be transmitted to the terminal at the same time, which improves the measurement accuracy and facilitates subsequent numerical analysis. The device does not need to be placed in a fixed position, has a small structure, can be operated with both hands and is easy to carry, which is convenient for staff to carry out random inspection of bearings in various occasions, and greatly improves the efficiency of bearing inspection.

1 and 2, the pressure sensing assembly 3 includes a connecting block 301 and a sensor 302 screwed to one end of the connecting block 301. The sensor 302 is a percent micrometer of CW141. The end of the upper clamp 201 away from the sensor 302 is provided with a U-shaped through hole, the end of the connecting block 301 away from the sensor 302 is fixed on one end surface of the upper clamp 201 by the positioning bolt 4, and the end of the connecting block 301 close to the sensor 302 passes through the U-shaped through hole. hole. The worker realizes the movement of the connecting block 301 in the U-shaped through hole by loosening and tightening the positioning bolt 4 , that is, realizing the position adjustment of the sensor 302 according to the bearing position.

1 to 3 , the support assembly 6 includes a fixing block 601 threadedly connected to one end surface of the lower jaw 202 close to the upper jaw 201 , and a rotating block 602 inserted into the fixing block 601 . The bearing is placed on the rotating block 602, and by applying force on the rotating block 602, the bearing rotates with the rotation of the rotating block 602, that is, the sensor 302 completes the comprehensive detection of the bearing side end face. When testing different types of bearings, in order to ensure the detection accuracy of the sensor 302, by adjusting the height of the fixing block 601 screwed to the lower clamp 202, the sensor 302 is always in contact with the inner and outer ring surfaces of the bearing to complete the detection work.

Referring to FIG. 3 , the rotating block 602 includes an inserting column 6021 and a support table 6022 integrally provided with the inserting column 6021 , and one end surface of the fixing block 601 close to the inserting column 6021 is provided with an inserting hole 7 for the inserting column 6021 to be inserted into. . In addition, the fixed bearing 8 is installed in the insertion hole 7 with interference, and the insertion column 6021 is inserted into the inner ring of the fixed bearing 8 with interference. In order to improve the rotation stability of the plug-in column 6021, further accuracy of the bearing measurement can be achieved.

The support table 6022 is made of rubber, an installation groove is formed on one end surface of the support table 6022 close to the sensor 302 , and a ring-shaped magnetic iron 9 is embedded in the installation groove. The arrangement of the magnetic attraction iron 9 improves the stability of the bearing being fixed on the support table 6022 .

Referring to FIG. 4 , each time the sensor 302 obtains a piece of data, it will upload the detection data through the IoT signal transmission module. After judging the type of the sensor 302 , the data of the sensor 302 is parsed through the corresponding protocol, and finally the data of the sensor 302 is judged. Whether the upload is successful, if not, return to the step of uploading the detection data by the IoT signal transmitter module. If successful, upload the data to the cloud platform and load it into the terminal for subsequent staff to analyze the detection data and then judge. The quality of the rolling bearing measured, and through sample analysis, to calculate the quality pass rate of the rolling bearing in this batch.

The implementation principle of the flatness measuring device of the rolling bearing according to the embodiment of the present application is as follows: the worker needs to apply force to the clamp handle 1 first, so that the upper clamp 201 and the lower clamp 202 are separated. Then place the bearing on the support table 6022, and then apply force to the clamp handle 1 to make the upper clamp 201 and the lower clamp 202 return to their original positions, and then adjust the positioning bolt 4 to realize the position adjustment of the sensor 302, so that the sensor 302 can be aligned The inner ring or outer ring of the bearing finally exerts force on the support table 6022 to drive the bearing to be measured to rotate, that is, the sensor 302 completes the detection of the surface flatness of the inner and outer rings of the bearing, and the final value is displayed on the display and sent to the terminal. Record.

The above are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. Therefore: all equivalent changes made according to the structure, shape and principle of the present application should be covered within the scope of the present application. Inside.

Claims (8)

1. A flatness measuring device for a rolling bearing, comprising a clamp body, a pressure sensing assembly (3) arranged on the clamp body and adjustable in position, and a support assembly (6) for supporting a positioning bearing, characterized in that : The pliers body includes a pliers head (2), a pliers handle (1) for holding and applying force, and the pliers head (2) includes an upper pliers (201) and a lower pliers (202), the pressure sensor The assembly (3) comprises a sensor (302) arranged on the upper clamp (201), the end of the sensor (302) away from the upper clamp (201) abuts on the bearing surface, and the support assembly (6) A rotatable rotating block (602) is included, and one end of the rotating block (602) close to the sensor (302) is used for positioning the bearing. 2 . The flatness measuring device of a rolling bearing according to claim 1 , wherein the pressure sensing assembly ( 3 ) further comprises a connecting block ( 301 ), and the connecting block ( 301 ) is far away from the upper One end of the clamp (201) is connected to the sensor (302), the upper clamp (201) is provided with a U-shaped through hole for the connecting block (301) to slide, and the connecting block (301) is away from the One end of the sensor (302) is positioned on the upper clamp (201) through the positioning bolt (4). 3 . The flatness measuring device of a rolling bearing according to claim 1 , wherein the support assembly ( 6 ) further comprises a fixing block ( 601 ) that is threadedly connected to the lower clamp ( 202 ). 3 . An insertion hole (7) is opened at one end of the fixing block (601) close to the upper clamp (201), and the rotating block (602) includes an insertion column whose one end is inserted into the insertion hole (7). (6021), a support table (6022) provided on the plug column (6021) for placing the bearing. 4 . The flatness measuring device of a rolling bearing according to claim 3 , wherein the support table ( 6022 ) is made of rubber, and the support table ( 6022 ) is close to the surface of the upper clamp ( 201 ). 5 . One end face is embedded with a magnetic iron (9). 5 . The flatness measuring device of a rolling bearing according to claim 3 , wherein the fixed block ( 601 ) is provided with a fixed bearing ( 8 ) in the insertion hole ( 7 ). 6 . 6 . The flatness measuring device of a rolling bearing according to claim 1 , characterized in that: an end surface of the upper clamp ( 201 ) away from the lower clamp ( 202 ) is provided with a connection with the pressure sensing assembly ( 6 . 3) Connected display (5). 7 . The flatness measuring device of a rolling bearing according to claim 1 , wherein the lower clamp ( 202 ) is provided with an IoT signal transmitting module. 8 . 8 . The flatness measuring device of a rolling bearing according to claim 1 , wherein an insulating plastic is sleeved on the clamp handle ( 1 ). 9 .

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