Real-time monitoring device for friction torque of motor car bearing

Abstract

The utility model relates to the technical field of monitoring devices, and discloses a real-time monitoring device for friction torque of a motor car bearing, which solves the problems that the existing detection device is poor in positioning stability by manually rotating a screw rod, and the screw rod is inevitably screwed in place during fixation due to limited manpower, so that the positioning is easy to loosen. The device comprises a workbench, a control panel is fixedly installed on the front portion of the workbench, supporting legs are fixedly installed at the four corners of the bottom of the workbench, a supporting plate is fixedly installed on the rear side of the workbench, a pneumatic clamping jaw is fixedly installed on the top of the supporting plate, a supporting frame is fixedly installed on the top of the workbench, and a driving air cylinder is fixedly installed on the top of the supporting frame; the transmission end of the driving air cylinder extends to the lower portion of the supporting frame and is fixedly provided with a connecting frame, and a driving motor is fixedly installed at the inner bottom of the connecting frame. The detection device can quickly and conveniently position the motor car bearing, the positioning stability is good, and the motor car bearing is prevented from loosening.

Description

TECHNICAL FIELD

[0001] The utility model belongs to monitoring device technical field, concretely is a kind of motor train unit bearing friction torque real-time monitoring device. BACKGROUND

[0002] The detection of motor train unit bearing friction torque is a complex and delicate process, usually involving multiple measurement methods and special equipment;The detection method of motor train unit bearing friction torque can be divided into three categories according to its basic principle: transmission method, balance method and energy method;These methods have their own characteristics and are suitable for different measurement scenarios and precision requirements;The commonly used detection is transmission method, the principle of transmission method is to install torque sensor to the middle of bearing and driving mechanism as transmission body, in the case of keeping the outer ring fixed, when the driving mechanism drives the inner ring of bearing to rotate, the friction torque of bearing will be transmitted to the torque sensor as load torque, the torque measured by torque sensor is the friction torque value of bearing;

[0003] The existing patent (publication number: CN211553161U) is a bearing friction torque detection device, which has the advantages of high assembly efficiency and fast detection speed, improving the detection efficiency;But the stability of the detection device through manual rotation of screw rod positioning is poor, due to the limitation of manpower, it is difficult to tighten in place during fixing, which may cause the loosening of positioning. UTILITY MODEL CONTENT

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a motor train unit bearing friction torque real-time monitoring device, which effectively solves the problem of poor stability of the existing detection device through manual rotation of screw rod positioning, due to the limitation of manpower, it is difficult to tighten in place during fixing, which may cause the loosening of positioning.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: a real -time monitoring device of train bearing friction torque, control panel is fixedly installed to the front part of work table, support leg is fixedly installed to the bottom four corners of work table, support plate is fixedly installed to the rear side of work table, pneumatic clamping jaw is fixedly installed to the top of support plate, support frame is fixedly installed to the top of work table, drive cylinder is fixedly installed to the top of support frame, the transmission end of drive cylinder extends to the lower part of support frame and is fixedly installed with connecting frame, drive motor is fixedly installed to the inner bottom of connecting frame, the output of drive motor extends to the lower part of connecting frame and is fixedly installed with torque sensor, fixed disc is fixedly installed to the bottom of torque sensor, connecting disc is fixedly installed to the bottom of fixed disc through four support rods, servo motor is fixedly installed to the top of connecting disc, three arc plates are arranged at equal distance below connecting disc, servo motor, torque sensor, drive motor, pneumatic clamping jaw and drive cylinder are electrically connected with control panel through flexible line, the output of servo motor is equipped with transmission assembly, transmission assembly is transmission connection with three arc plates, and servo motor is operated and is output power to three arc plates through transmission assembly.

[0006] Preferably, the top of the fixed disc is annularly and equidistantly fixedly installed with three mounting strips, the top of the three mounting strips is fixedly installed with a sliding strip, the lower surface of the connecting frame is provided with a sliding groove, and the three sliding strips are slidingly installed in the sliding groove.

[0007] Preferably, the transmission assembly comprises a rotating disc, the rotating disc is fixedly installed on the output end of the servo motor, three positioning plates are annularly and equidistantly fixedly installed on the bottom of the rotating disc, three transmission grooves are annularly and equidistantly provided on the lower surface of the rotating disc, a transmission strip is slidingly installed in each of the three transmission grooves, a transmission rod is rotatably installed on the bottom of each transmission strip through a rotating shaft, the three transmission rods are inserted into the three positioning plates, and the mutually distant ends of the three transmission rods are fixedly connected with the three arc plates.

[0008] Preferably, the top of the rotating disc is annularly and equidistantly fixedly installed with three connecting strips, the top of each connecting strip is fixedly installed with a limiting strip, the lower surface of the connecting disc is provided with limiting grooves, and the three limiting strips are slidingly installed in the three limiting grooves.

[0009] Compared with the prior art, the utility model discloses the beneficial effects that: when using, operating personnel place the motor car bearing on the workbench, and then operating personnel start pneumatic jaw and hold the outer ring of motor car bearing fixedly, and then operating personnel start drive cylinder and drive three arc plates to move to the inside of motor car bearing, and then operating personnel start servo motor and drive rotating disc rotation, and the stability of rotating disc rotation is increased through the cooperation of three transmission grooves and three transmission bars, and three transmission rods move to the back along the inside of three positioning plates when three transmission rods move to the back, and three arc plates will drive three arc plates to locate the inner ring of motor car bearing,

[0010] Finally operating personnel start drive motor and drive torque sensor rotation, and torque sensor drives connecting disc rotation through fixing disc and four support rods, and the stability of fixing disc rotation is increased through three mounting bars and three sliding grooves, and connecting disc rotation will drive the inner ring of motor car bearing through three arc plates, so that the friction torque of motor car bearing can be monitored in real time through torque sensor, and torque sensor will send monitoring data to control panel and display, convenient for operating personnel to check, so that the detection device can position motor car bearing quickly and conveniently, and the stability of positioning is good, and motor car bearing is avoided to loosen. BRIEF DESCRIPTION OF DRAWINGS

[0011] The drawings are used to provide further understanding of the utility model, and constitute a part of the specification, are used to explain the utility model together with the embodiments of the utility model, and do not constitute the limitation on the utility model.

[0012] In the drawings:

[0013] Figure 1 It is real -time monitoring device structure schematic drawing for motor car bearing friction torque of the utility model,

[0014] Figure 2 It is torque sensor structure schematic drawing for the utility model,

[0015] Figure 3 It is transmission groove structure schematic drawing for the utility model,

[0016] Figure 4 It is transmission bar structure schematic drawing for the utility model,

[0017] Figure 5 It is limiting groove structure schematic drawing for the utility model,

[0018] In the figure: 1, workbench; 2, control panel; 3, support leg; 4, support plate; 5, pneumatic clamping jaw; 6, support frame; 7, drive cylinder; 8, connecting frame; 9, drive motor; 10, torque sensor; 11, fixed disc; 12, support rod; 13, servo motor; 14, connecting disc; 15, rotating disc; 16, arc plate; 17, mounting strip; 18, sliding strip; 19, sliding groove; 20, positioning plate; 21, transmission groove; 22, transmission strip; 23, transmission rod; 24, connecting strip; 25, limiting strip; 26, limiting groove. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0020] By Figures 1 to 5 The utility model discloses a workbench 1 is provided with control panel 2, support leg 3, support plate 4, pneumatic clamping jaw 5, support frame 6, drive cylinder 7, connecting frame 8, drive motor 9, torque sensor 10, fixed disc 11, connecting disc 14, servo motor 13, three arc plates 16, transmission assembly, three mounting strips 17, three sliding strips 18, sliding groove 19, three sliding strips 18 are slidably installed in the inside of sliding groove 19.

[0021] When in use, the operator places the motor vehicle bearing on the workbench 1, and then the operator starts the pneumatic clamping jaw 5 to clamp and fix the outer ring of the motor vehicle bearing, and then the operator starts the driving cylinder 7 to drive the three arc-shaped plates 16 to move downward to the inside of the motor vehicle bearing, and then the operator starts the servo motor 13 to drive the transmission assembly to operate, and when the transmission assembly operates, it will drive the three arc-shaped plates 16 to position the inner ring of the motor vehicle bearing.

[0022] Finally, the operator starts the driving motor 9 to drive the torque sensor 10 to rotate, and the torque sensor 10 drives the connecting disc 14 to rotate through the fixing disc 11 and the four supporting rods 12, and when the fixing disc 11 rotates, it drives the three sliding rods 18 to slide in the three sliding grooves 19 through the three mounting strips 17, which increases the stability of the fixing disc 11 when rotating, and when the connecting disc 14 rotates, it drives the inner ring of the motor vehicle bearing to rotate through the three arc-shaped plates 16, so that the friction torque of the motor vehicle bearing can be monitored in real time through the torque sensor 10, and at the same time, the torque sensor 10 will send the monitoring data to the control panel 2 for display, which is convenient for the operator to check; so that the detection device can quickly and conveniently position the motor vehicle bearing, and the positioning stability is good, which avoids loosening of the motor vehicle bearing.

[0023] The transmission assembly comprises a rotating disc 15 fixedly installed at the output end of the servo motor 13, and the bottom of the rotating disc 15 is annularly and equidistantly fixedly installed with three positioning plates 20, and the lower surface of the rotating disc 15 is annularly and equidistantly provided with three transmission grooves 21, and the transmission grooves 21 are each slidably installed with a transmission rod 22, and the bottom of the transmission rod 22 is rotatably installed with a transmission rod 23 through a rotating shaft, and the three transmission rods 23 are inserted into the three positioning plates 20, and the mutually distant ends of the three transmission rods 23 are respectively fixedly connected with the three arc-shaped plates 16; and the top of the rotating disc 15 is annularly and equidistantly fixedly installed with three connecting rods 24, and the top of the connecting rod 24 is fixedly installed with a limiting rod 25, and the lower surface of the connecting disc 14 is provided with a limiting groove 26, and the three limiting rods 25 are slidably installed in the three limiting grooves 26.

[0024] The operator starts the servo motor 13 to drive the rotating disc 15 to rotate, and when the rotating disc 15 rotates, it drives the three limiting rods 25 to slide in the three limiting grooves 26 through the three connecting rods 24, which increases the stability of the rotating disc 15 when rotating, and when the rotating disc 15 rotates, it drives the three transmission rods 23 to move away from the three positioning plates 20 through the cooperation of the three transmission grooves 21 and the three transmission rods 22, and when the three transmission rods 23 move away, they will drive the three arc-shaped plates 16 to position the inner ring of the motor vehicle bearing.

Claims

1. A real-time monitoring device for friction torque of a high-speed train bearing, comprising a workbench (1), characterized in that: The front of the workbench (1) is fixedly provided with a control panel (2), the bottom of the workbench (1) is fixedly provided with supporting legs (3) at four corners, the rear side of the workbench (1) is fixedly provided with a supporting plate (4), the top of the supporting plate (4) is fixedly provided with a pneumatic clamp jaw (5), the top of the workbench (1) is fixedly provided with a supporting frame (6), the top of the supporting frame (6) is fixedly provided with a drive cylinder (7), the transmission end of the drive cylinder (7) extends to the lower part of the supporting frame (6) and is fixedly provided with a connecting frame (8), the inner bottom of the connecting frame (8) is fixedly provided with a drive motor (9), the output end of the drive motor (9) extends to the lower part of the connecting frame (8) and is fixedly provided with a torque sensor (10), the bottom of the torque sensor (10) is fixedly provided with a fixed disc (11), the bottom of the fixed disc (11) is fixedly provided with a connecting disc (14) through four supporting rods (12), the top of the connecting disc (14) is fixedly provided with a servo motor (13), three arc-shaped plates (16) are arranged in an annular and equidistant manner below the connecting disc (14), the servo motor (13), the torque sensor (10), the drive motor (9), the pneumatic clamp jaw (5) and the drive cylinder (7) are electrically connected with the control panel (2) through flexible wires, the output end of the servo motor (13) is provided with a transmission assembly, the transmission assembly is in transmission connection with the three arc-shaped plates (16), and the servo motor (13) outputs power to the three arc-shaped plates (16) through the transmission assembly when the servo motor (13) operates.

2. The real-time monitoring device for friction torque of a high-speed train bearing according to claim 1, characterized in that: The top of the fixed disc (11) is fixedly provided with three mounting strips (17) in an annular and equidistant manner, the top of each of the three mounting strips (17) is fixedly provided with a sliding strip (18), and the lower surface of the connecting frame (8) is provided with a sliding groove (19) therein, and each of the three sliding strips (18) is slidingly installed in the sliding groove (19).

3. The real-time monitoring device for friction torque of a high-speed train bearing according to claim 1, characterized in that: The transmission assembly comprises a rotating disc (15), the rotating disc (15) is fixedly installed at the output end of the servo motor (13), three positioning plates (20) are fixedly installed at the bottom of the rotating disc (15) in an annular and equidistant manner, three transmission grooves (21) are arranged in an annular and equidistant manner on the lower surface of the rotating disc (15), a transmission strip (22) is slidingly installed in each of the three transmission grooves (21), a transmission rod (23) is rotatably installed at the bottom of each of the transmission strips (22) through a rotating shaft, the three transmission rods (23) are inserted into the three positioning plates (20), and the mutually distant ends of the three transmission rods (23) are fixedly connected with the three arc-shaped plates (16) respectively.

4. The real-time monitoring device for friction torque of a high-speed train bearing according to claim 3, characterized in that: The top of the rotating disc (15) is fixedly provided with three connecting strips (24) in an annular and equidistant manner, the top of each of the connecting strips (24) is fixedly provided with a limiting strip (25), and the lower surface of the connecting disc (14) is provided with limiting grooves (26) therein, and the three limiting strips (25) are slidingly installed in the three limiting grooves (26).

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