Rotation life detection device of harmonic speed reducer
By designing detection devices for multi-torque sensors and electromagnetic brakes, the problems of low detection efficiency, low data credibility and lack of protective structure in the prior art are solved, and efficient, reliable and safe harmonic reducer rotation life detection is achieved.
Patent Information
- Application Number
- CN202420652136.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-01
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-04-01
AI Technical Summary
The existing harmonic reducer rotation life detection device has low efficiency, low data credibility, and lacks protective structures, which leads to being easily affected by external objects during detection, which poses safety hazards.
A detection device including multiple torque sensors is designed, which can detect multiple harmonic reducers simultaneously, thereby improving detection efficiency and data credibility. At the same time, electromagnetic brakes are used to provide controllable loads, and external interference is prevented through protective shells and transparent windows, improving detection safety.
Through simultaneous detection of multiple workstations, the detection efficiency and data credibility are improved; the protective structure prevents interference from external objects, improving detection safety; the controllable load allows detection rotational life under different loads, enhancing the accuracy of detection.
Smart Images
Figure CN222689415U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of harmonic reducer detection, in particular to a rotation life detection device for a harmonic reducer. Background Art
[0002] A harmonic reducer is a gear transmission device that meets the needs of various working machines by reducing the speed and increasing the torque. It is widely used in many industries such as aerospace, navigation, machinery manufacturing, transportation, etc. Harmonic reducers are increasingly widely used in aviation, mining, metallurgy, chemical industry and other industries due to their small size, light weight and large carrying capacity. During the use of harmonic reducers, their rotational life needs to be tested. At present, most of the detection devices are for testing harmonic reducers of a single specification. This has low detection efficiency and low data credibility. In addition, there is a lack of protective structure, which makes it easy to be hit by external objects during detection, causing safety problems. To this end, we propose a rotational life detection device for harmonic reducers. Utility Model Content
[0003] The technical problem to be solved by the utility model is to overcome the existing defects and provide a rotational life detection device for a harmonic reducer. A plurality of torque sensors can be used to detect a plurality of harmonic reducers at the same time, thereby improving the detection efficiency and increasing the credibility of the data. The connected electromagnetic brake can provide a controllable load so that the rotational life of the harmonic reducer can be detected under different loads. At the same time, the protective shell provided can prevent safety problems caused by external force interference during the detection process, thereby effectively solving the problems in the background technology.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rotation life detection device for a harmonic reducer, comprising a workbench and a detection unit;
[0005] Workbench: base frames are fixed on both sides of the bottom surface, and a protective unit is provided on the top surface of the workbench;
[0006] The detection unit comprises a screw, a motor, an adjustment frame, a torque sensor and a support platform, wherein the screw is rotatably connected to the inside of the groove on the top surface of the workbench, the screw is threadedly connected to the screw hole on the surface of the adjustment frame, the adjustment frame is slidably connected to the groove on the top surface of the workbench, the support platform is evenly fixed on the top surface of the workbench, and the torque sensor is installed on the top surface of the support platform;
[0007] It also includes a controller, which is arranged on the left side of the workbench, the input end of the motor is electrically connected to the output end of the controller, the output end of the torque sensor is electrically connected to the input end of the controller, and the input end of the controller is electrically connected to the output end of an external power supply.
[0008] The screw is turned to adjust the position of the motor, so that it can be connected to harmonic reducers of different specifications. The other end of the harmonic reducer is connected to the torque sensor. The torque of the harmonic reducer can be detected by starting the motor and cooperating with the torque sensor. In this way, the service life of the harmonic reducer can be determined. At the same time, the use of multiple stations for simultaneous detection can also improve the credibility of the detection data.
[0009] Furthermore, the protection unit includes a support plate, a linear motor, a protective shell, a transparent window, a lighting lamp and a heat dissipation hole. The support plate has two and their functions are correspondingly fixed on the rear side of the top surface of the workbench. The front side of the support plate is provided with a linear motor. The front side of the linear motor mover seat is connected to one end of the rear side of the protective shell. The top surface of the protective shell is installed with a transparent window. The lighting lamps have two and are respectively fixed on both sides of the inside of the protective shell. The heat dissipation holes are provided on the rear side of the protective shell. The input ends of the linear motor and the lighting lamp are electrically connected to the output end of the controller. The linear motor is started to cover the protective shell on the top surface of the workbench. This can prevent the impact of external objects on the detection results during the detection process, and also improve the safety of the detection. The set transparent window is convenient for personnel to check.
[0010] Furthermore, the detection unit also includes a coupling and an electromagnetic brake, the coupling has two connecting shafts respectively fixed on both ends of the torque sensor, the rear coupling is fixedly connected to the output shaft of the electromagnetic brake, the input end of the electromagnetic brake is electrically connected to the output end of the controller, and the connected electromagnetic brake can provide a controllable load so as to detect the rotation life of the harmonic reducer under different loads.
[0011] Furthermore, the protection unit also includes a frame and a fan. The frame has two frames and is respectively fixed on the two active sides of the protection shell. The fan is placed inside the frame. The input end of the fan is electrically connected to the output end of the controller. Starting the fan can discharge the heat generated during the detection process to prevent heat accumulation from affecting the detection.
[0012] Furthermore, it also includes a placement rack, a spare parts box and an identification rack, the placement rack is fixed to the bottom surface of the workbench, the spare parts box is slidably connected inside the placement rack, and the identification rack is installed on the front side of the spare parts box. The identification rack on the front side of the spare parts box facilitates personnel to quickly identify and take out items in the box.
[0013] Furthermore, it also includes a display screen and an alarm light. The display screen is fixed on the front side of the protective shell, and the alarm lights are evenly distributed on the front side of the workbench. The input ends of the display screen and the alarm lights are electrically connected to the output ends of the controller. The display screen can display the detected data for easy viewing by personnel, and the alarm light can light up to remind personnel when there is a problem with the corresponding detection station data.
[0014] Compared with the prior art, the beneficial effects of the utility model are: the rotation life detection device of the harmonic reducer has the following advantages:
[0015] 1. The torque of the harmonic reducer can be detected by starting the motor with a torque sensor to determine the service life of the harmonic reducer. Simultaneous detection at multiple stations can also improve the credibility of the detection data.
[0016] 2. The protective shell is covered on the top surface of the workbench through a linear motor, which can prevent the impact of external objects on the test results during the test process, and also improve the safety of the test. The transparent window is convenient for personnel to check.
[0017] 3. The connected electromagnetic brake can provide a controllable load so that the rotation life of the harmonic reducer can be tested under different loads. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the structure of the utility model;
[0019] Figure 2 This is a schematic diagram of the structure of the protection unit of the utility model;
[0020] Figure 3 It is a partial enlarged structural schematic diagram of point A of the utility model.
[0021] In the figure: 1 workbench, 2 detection unit, 21 screw, 22 motor, 23 adjustment frame, 24 torque sensor, 25 support table, 26 coupling, 27 electromagnetic brake, 3 protection unit, 31 support plate, 32 linear motor, 33 protection shell, 34 transparent window, 35 lighting, 36 heat dissipation hole, 37 frame, 38 fan, 4 bottom frame, 5 placement rack, 6 spare parts box, 7 identification rack, 8 display screen, 9 alarm light, 10 controller. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] See also Figure 1-3 ,This embodiment provides a technical solution: a rotation life detection device for a harmonic reducer, comprising a workbench 1 and a detection unit 2;
[0024] Workbench 1: A base frame 4 is fixed on both sides of the bottom surface, a protective unit 3 is provided on the top surface of the workbench 1, and the protective unit 3 includes a support plate 31, a linear motor 32, a protective shell 33, a transparent window 34, a lighting lamp 35 and a heat dissipation hole 36. There are two support plates 31 and they are fixed on the rear side of the top surface of the workbench 1 for corresponding functions. A linear motor 32 is provided on the front side of the support plate 31. The front side of the mover seat of the linear motor 32 is connected to one end of the rear side of the protective shell 33. A transparent window 34 is installed on the top surface of the protective shell 33. There are two lighting lamps 35 and they are respectively fixed on both sides of the inside of the protective shell 33. The heat dissipation hole 36 is opened on the rear side of the protective shell 33. The linear motor 32 and the lighting lamp 35 are fixed on both sides of the inside of the protective shell 33. The input end of the bright light 35 is electrically connected to the output end of the controller 10, and the linear motor 32 is started to cover the protective shell 33 on the top surface of the workbench 1, so as to prevent the impact of external objects on the detection results during the detection process, and also improve the safety of the detection. The transparent window 34 is convenient for personnel to check. The protection unit 3 also includes a rack 37 and a fan 38. The rack 37 has two and is respectively fixed on the two active sides of the protective shell 33. The fan 38 is placed inside the rack 37. The input end of the fan 38 is electrically connected to the output end of the controller 10. Starting the fan 38 can discharge the heat generated during the detection process to prevent heat accumulation from affecting the detection.
[0025] Detection unit 2: includes a screw 21, a motor 22, an adjustment frame 23, a torque sensor 24 and a support table 25, the screw 21 is rotatably connected to the inside of the groove on the top surface of the workbench 1, the screw 21 is threadedly connected to the screw hole on the surface of the adjustment frame 23, the adjustment frame 23 is slidably connected to the groove on the top surface of the workbench 1, the support table 25 is evenly fixed on the top surface of the workbench 1, and the torque sensor 24 is installed on the top surface of the support table 25. The detection unit 2 also includes a coupling 26 and an electromagnetic brake 27. The coupling 26 has two connecting shafts respectively fixed on both ends of the torque sensor 24, the rear coupling 26 is fixedly connected to the output shaft of the electromagnetic brake 27, the input end of the electromagnetic brake 27 is electrically connected to the output end of the controller 10, and the connected electromagnetic brake 27 can provide a controllable load so as to detect the rotation life of the harmonic reducer under different loads;
[0026] The controller 10 is also included. The controller 10 is arranged on the left side of the workbench 1. The input end of the motor 22 is electrically connected to the output end of the controller 10. The output end of the torque sensor 24 is electrically connected to the input end of the controller 10. The input end of the controller 10 is electrically connected to the output end of the external power supply. The screw 21 is rotated to adjust the position of the motor 22, so that it can be connected to harmonic reducers of different specifications. The other end of the harmonic reducer is connected to the torque sensor 24. The starting motor 22 cooperates with the torque sensor 24 to detect the torque of the harmonic reducer, so as to judge the service life of the harmonic reducer. At the same time, using multiple stations for simultaneous detection can also improve the credibility of the detection data. It includes a placement rack 5, a spare parts box 6 and an identification rack 7. The placement rack 5 is fixed on the bottom surface of the workbench 1. The placement rack 5 is slidably connected to the spare parts box 6. The front side of the spare parts box 6 is installed with an identification rack 7. The identification rack 7 on the front side of the spare parts box 6 is convenient for personnel to quickly identify and take out the items in the box. It also includes a display screen 8 and an alarm light 9. The display screen 8 is fixed on the front side of the protective shell 33, and the alarm lights 9 are evenly distributed on the front side of the workbench 1. The input ends of the display screen 8 and the alarm lights 9 are electrically connected to the output end of the controller 10. The display screen 8 can display the detected data for the convenience of personnel to view, and the alarm light 9 can light up to remind personnel when there is a problem with the corresponding detection station data.
[0027] The working principle of the rotation life detection device of a harmonic reducer provided by the utility model is as follows: first, the screw rod 21 is rotated to adjust the position of the motor 22, so that it can be connected with harmonic reducers of different specifications. The other end of the harmonic reducer is connected to the torque sensor 24, and the motor 22 is started to drive the harmonic reducer to rotate. While rotating, the torque sensor 24 can detect the torque of the harmonic reducer. When the speed of the motor 22 remains unchanged and the torque data changes, it can be judged that the harmonic reducer has a fault, and then the rotation life is judged. The connected electromagnetic brake 27 can provide a controllable load so as to detect the rotation life of the harmonic reducer under different loads. During the detection, the linear motor 32 is started to cover the protective shell 33 on the top surface of the workbench 1, so that the impact of external objects on the detection result can be prevented during the detection process, and the safety of the detection can also be improved. The transparent window 34 is convenient for personnel to view. At the same time, the fan 38 is started to discharge the heat generated during the detection process to prevent the heat accumulation from affecting the detection. The use of multiple stations for simultaneous detection can also improve the credibility of the detection data, and the detected data is displayed on the display screen 8 for personnel to view.
[0028] It is worth noting that the controller 10 disclosed in the above embodiment uses the model S7-200, and the fan 38 can be freely configured according to the actual application scenario. It is recommended to use the fan model DA1504H055, the electromagnetic brake 27 can use the electromagnetic brake model HB-1M-LA, and the torque sensor 24 can use the torque sensor model EVT-60-5000N. The controller 10 controls the motor 22, the torque sensor 24, the electromagnetic brake 27, the linear motor 32, the lighting 35, the fan 38, the display screen 8 and the alarm light 9 using the methods commonly used in the prior art.
[0029] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.
Claims
1. A rotation life detection device for a harmonic reducer, characterized in that: It comprises a workbench (1) and a detection unit (2); Workbench (1): base frames (4) are fixed on both sides of the bottom surface, and a protective unit (3) is provided on the top surface of the workbench (1); The detection unit (2) comprises a screw (21), a motor (22), an adjustment frame (23), a torque sensor (24) and a support platform (25), wherein the screw (21) is rotatably connected to the inside of a groove on the top surface of the workbench (1), the screw (21) is threadedly connected to a screw hole on the surface of the adjustment frame (23), the adjustment frame (23) is slidably connected to the groove on the top surface of the workbench (1), the support platform (25) is evenly fixed on the top surface of the workbench (1), and the torque sensor (24) is installed on the top surface of the support platform (25); The invention further comprises a controller (10), wherein the controller (10) is arranged on the left side of the workbench (1), the input end of the motor (22) is electrically connected to the output end of the controller (10), the output end of the torque sensor (24) is electrically connected to the input end of the controller (10), and the input end of the controller (10) is electrically connected to the output end of an external power supply.
2. The rotation life detection device of a harmonic reducer according to claim 1 is characterized in that: The protection unit (3) comprises a support plate (31), a linear motor (32), a protection shell (33), a transparent window (34), an illuminating lamp (35) and a heat dissipation hole (36); the support plates (31) are provided with two and fixed to the rear side of the top surface of the workbench (1) in a corresponding manner; the front side surface of the support plate (31) is provided with a linear motor (32); the front side surface of the mover seat of the linear motor (32) is connected to one end of the rear side surface of the protection shell (33); the top surface of the protection shell (33) is provided with a transparent window (34); the illuminating lamps (35) are provided with two and fixed to the two sides of the inside of the protection shell (33); the heat dissipation hole (36) is provided on the rear side surface of the protection shell (33); the input ends of the linear motor (32) and the illuminating lamp (35) are electrically connected to the output end of the controller (10).
3. The rotation life detection device of a harmonic reducer according to claim 1 is characterized in that: The detection unit (2) further comprises a coupling (26) and an electromagnetic brake (27); the coupling (26) has two couplings and is respectively fixed on connecting shafts at both ends of the torque sensor (24); the rear coupling (26) is fixedly connected to the output shaft of the electromagnetic brake (27); and the input end of the electromagnetic brake (27) is electrically connected to the output end of the controller (10).
4. The rotation life detection device of a harmonic reducer according to claim 2 is characterized in that: The protection unit (3) further comprises a frame (37) and a fan (38); the frame (37) has two members and is respectively fixed on two active side surfaces of the protection shell (33); a fan (38) is placed inside the frame (37); an input end of the fan (38) is electrically connected to an output end of the controller (10).
5. The rotation life detection device of a harmonic reducer according to claim 1 is characterized in that: It also includes a placement rack (5), a spare parts box (6) and an identification rack (7), wherein the placement rack (5) is fixed to the bottom surface of the workbench (1), the interior of the placement rack (5) is slidably connected to the spare parts box (6), and the identification rack (7) is installed on the front side of the spare parts box (6).
6. The rotation life detection device of a harmonic reducer according to claim 2 is characterized in that: It also includes a display screen (8) and an alarm light (9), wherein the display screen (8) is fixed on the front side of the protective shell (33), and the alarm lights (9) are evenly distributed on the front side of the workbench (1), and the input ends of the display screen (8) and the alarm lights (9) are electrically connected to the output end of the controller (10).