Device for simulating rolling bearing slipping

[0042] Example 1

[0043] like figure 1As shown; a device for simulating rolling bearing slipping, including a first power device 1, a second power device 2, a coupling 3 and a fixed seat 4, and the first power device 1 and the second power device 2 are respectively arranged in On both sides of the fixed seat 4, a detection mechanism 5 and an adjustment structure 6 are fixed on the fixed seat 4, and the first power device 1 and the second power device 2 are connected to the first power device 1 and the second power device 2 through a coupling 3 respectively. The power unit 2 is connected, and the first power unit 1 and the second power unit 2 both include an adjustment base 12 and a motor 11 fixed on the adjustment base 12, and the power rod of the motor 11 is connected with the corresponding coupling 3; The adjustment structure 6 includes a speed regulating shaft 61 and a speed regulating seat 62 fixed on the fixed seat 4, one end of the speed regulating shaft 61 is connected with the coupling 3, and the other end of the speed regulating shaft 61 is connected with an adjusting grip Hand 64, the speed regulating shaft 61 is covered with a speed regulating support bearing 63, and the speed regulating supporting bearing 63 is fixed on the speed regulating seat 62; the detection mechanism 5 includes a test rotating shaft 51 and is fixed on the fixed seat 4 The supporting positioning seat 52, the pressure applying seat 53 and the detecting seat 54 on the test shaft 51 are provided with a detecting bearing 55, a loading bearing 58 and a supporting bearing 59, and the loading bearing 58 is arranged between the detecting bearing 55 and the supporting bearing. 59, the detection bearing 55 is arranged on the detection seat 54, the support bearing 59 is arranged on the support positioning seat 52, the hydraulic cylinder 57 is fixed on the pressure applying seat 53, and the power rod of the hydraulic cylinder 57 is A lifting block 56 is provided, the loading bearing 58 is arranged on the lifting block 56, one end of the test rotating shaft 51 is connected to the coupling 3, and the detection bearing 55 on the other end of the testing rotating shaft 51 cooperates with the adjustment structure 6; The detection seat 54 is provided with a vibration sensor; the adjusting handle 64 includes a rotating plate 65 and at least two adjusting fingers 66, and the rotating plate 65 is provided with a dovetail groove 67 for the sliding of the adjusting fingers 66 , the adjustment finger 66 includes a dovetail slider 69 and a telescopic adjustment rod 610, the dovetail slider 69 is arranged in the dovetail groove 67, one end of the telescopic adjustment rod 610 is connected to the dovetail slider 69, the telescopic The other end of the adjusting rod 610 is connected with a stud 611 , and a plurality of locking screw holes 612 pass through the dovetail slot 67 , and a stop screw for fixing the dovetail slider 69 is arranged in the locking screw hole 612 .

[0044] The motor 11 in the first power unit 1 and the second power unit 2 drives the corresponding coupling 3 to rotate, and the two couplings 3 respectively drive the speed regulating shaft 61 and the test shaft 51 to rotate, and the test shaft 51 drives the detection bearing The inner ring of 55 rotates, one end of the test shaft 51 is fixed by the support positioning seat 52 and the support bearing 59, pressure is applied through the hydraulic cylinder 57, and the pressure is transmitted to the inner ring of the test shaft 51 through the lifting block 56 and the loading bearing 58, while its outer The ring is connected with the detection seat 54 to achieve a fixed effect, so that the change in the working state of the bearing 55 under a certain pressure can be simulated, and the vibration generated when the bearing 55 is working under different pressures is transmitted to the detection equipment through the vibration sensor; The rotation of the fast rotating shaft 61 can drive the adjustment handle 64 to rotate, and the stud 611 in the adjustment handle 64 is connected with the cage of the detection bearing 55, and the connection method is to process several supply screws on the cage of the detection bearing 55 in advance. The hole through which the post 611 passes is connected with the retainer through a nut, so that the retainer and the adjusting handle 64 rotate synchronously, and the rotation speed of the retainer is controlled by adjusting the handle 64 to achieve artificial control of the retainer slipping speed, the effective data of the detection bearing 55 is calculated through the slipping data of the cage at different speeds for comprehensive calculation; in order to facilitate the adjustment of the gripper 64 and the cage connection, at least two adjustment grippers 66 are set on the turn plate 65 It makes it easy to adjust the finger 66 to drive the cage to rotate. At the same time, the dovetail slider 69 cooperates with the dovetail groove 67 to achieve the purpose of changing the relative position between the telescopic adjustment rod 610 and the holder, so that the stud 611 can be inserted into the hole processed on the cage. The stop screw fixes the position of the dovetail slider 69 to prevent the dovetail slider 69 from moving when it rotates; by adjusting the handle 64 to control the slipping of the cage, the vibration generated by the cage under different pressures in different slipping states can be detected, which is useful for detection The data of detecting the bearing 55 is more accurate.

[0045] Example 2

[0046] On the basis of Embodiment 1, one end of the telescopic adjustment rod 610 runs through the dovetail slider 69, the dovetail slider 69 is provided with a stop screw for fixing the telescopic adjustment rod 610, and the dovetail groove 67 is provided with a telescopic adjustment The transition channel 68 through which the rod 610 passes; the coupling 3 is a quincunx type flexible coupling; the motor 11 is a stepping motor; a locking cover 614 and a locking cover 614 are also included. Locking block 613, one end of the telescopic adjusting rod 610 is provided with an external thread that engages with the locking cover 614, the locking cover 614 is provided with a waist-shaped adjusting hole 615, and one end of the stud 611 passes through the waist The type adjustment hole 615 is connected with the locking block 613; a pressure sensor is provided between the hydraulic cylinder 57 and the lifting block 56; a slide rail is connected to the lifting block 56, and the slide rail is fixed on the pressure seat 53 superior.

[0047] The telescopic adjustment rod 610 penetrates through the dovetail slider 69 so that the telescopic adjustment rod 610 can be stretched, and at the same time, a transition channel 68 is provided to extend the telescopic length of the telescopic adjustment rod 610, which is convenient for controlling the insertion of the stud 611 on the telescopic adjustment rod 610 into the cage The added hole is convenient for its installation. The coupling 3 adopts a plum-shaped flexible coupling to reduce the vibration generated by the motor 1 from being transmitted to the detection mechanism 5 and the adjustment structure 6, which will affect the data collected by the vibration sensor. The motor can accurately control the rotation speed, and the locking block 613 is fixed on one end of the telescopic adjustment rod 610 through the locking cover 614, and a waist-shaped adjustment hole 615 for the stud 611 to pass is set on the locking cover 614, so that The stud 611 moves in the waist-shaped adjustment hole 615, so that the stud 611 is better connected with the mounting hole on the cage, and it is convenient to replace the stud 611 at the same time. When the inner ring is at different speeds, there will be slipping and slight suffocation, which will cause the cage to suddenly stop and stop. At this time, the stud 611 and its parts are prone to breakage and deformation. The locking block 613 is fixed with the locking cover 614. The stud 611 is to facilitate its replacement and installation to connect to the cage connection hole; the pressure applied by the hydraulic cylinder 57 is determined by the pressure sensor, and the lifting block 56 is guaranteed by the slide rail.

[0048] Example 3

[0049] On the basis of Embodiment 2, the end of the test shaft 51 close to the adjustment structure 6 is provided with a stepped shaft; it also includes a fixed ring 510, which is sleeved outside the test shaft 51, and the fixed ring 510 is provided with There is a locking break slot 511, and a locking pin is arranged in the lock break slot 511.

[0050] Install test bearings 55 of different diameters through the stepped shaft, install some larger test bearings 55 through the fixed ring 510, set the fixed ring 510 on the test shaft 51, and set the test bearing 55 on the fixed ring 510 to achieve installation. At the same time, the purpose of fixing the detection bearing 55 and the fixed ring 510 is achieved by inserting the locking pin into the locking broken groove 511.