Gearbox lubrication test evaluation device

Abstract

The utility model discloses a gear box lubrication test evaluation device which comprises a workbench and a gear box installed on the side face of the workbench, a driving motor is installed on the upper side of the workbench, a driving shaft is installed on an output shaft of the driving motor, a first disc is fixed to the end of the driving shaft, a second disc is arranged on the side face of the first disc, and the second disc is connected with the workbench. A connecting piece and a detection assembly are arranged between the first disc and the second disc, and a transmission shaft is installed on the side face of the second disc. According to the gear box lubrication test evaluation device, the change of torque when the motor drives the gear to rotate is monitored through the arranged detection assembly, the lubrication effect of lubricating oil on the gear can be effectively judged by comparing monitoring data, the detachable gear is arranged in the test box, the gear can be detached for size measurement after the test is completed, and the test efficiency is improved. And the gear wear degree is detected, so that lubricating oil with relatively good quality can be selected according to a detection result for large-scale application.

Description

Technical Field

[0001] The utility model relates to the technical field of lubrication test devices, in particular to a gear box lubrication test evaluation device. Background Art

[0002] In order to reduce the friction between gears and improve their transmission efficiency, lubricants are usually applied to the gears. However, there are many kinds of lubricants on the market. To ensure that the lubricants have a good lubricating effect, they usually need to be tested when they are used on a large scale. At present, when testing lubricants, the motor usually drives the gears to rotate, and then the personnel judge the quality of the lubricants or take samples of the lubricants for testing. There are large errors in directly judging the quality of the lubricants, and the sampling test has low efficiency and high cost, which makes it difficult to evaluate the lubricants. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the existing defects and provide a gear box lubrication test and evaluation device. The detection component is set to monitor the change of torque when the motor drives the gear to rotate. By comparing the monitoring data, the lubrication effect of the lubricating oil on the gear can be effectively judged. A detachable gear is arranged in the test box. After the test is completed, the gear can be removed for dimensional measurement and the degree of gear wear can be detected. It is convenient to select lubricating oil of better quality for large-scale application according to the test results, which can effectively solve the problems in the background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a gearbox lubrication test and evaluation device, comprising a workbench and a gearbox installed on the side of the workbench, a drive motor is installed on the upper side of the workbench, a drive shaft is installed on the output shaft of the drive motor, a first disc is fixed to the end of the drive shaft, and a second disc is arranged on the side of the first disc, a connecting piece and a detection component are arranged between the first disc and the second disc, and a transmission shaft is installed on the side of the second disc.

[0005] The transmission shaft passes through and extends into the gear box. A main gear installed on the side of the transmission shaft is arranged in the gear box. A test gear meshing with the main gear is installed in the gear box.

[0006] As a preferred technical solution of the utility model, the connecting member includes a first clamping plate and a second clamping plate, the first clamping plate is installed on the side of the first disc, the second clamping plate is installed on the side of the second disc, and the detection component is located between the first clamping plate and the second clamping plate.

[0007] As a preferred technical solution of the utility model, the connecting parts and the detection components are provided in several groups, the detection component is a pressure sensor, the first disc and the second disc are provided with a protective cover on the outside, and the protective cover is slidingly arranged, the first splint, the second splint and the pressure sensor are all located in the protective cover, and a protective box for positioning the protective cover is installed on the upper side of the workbench.

[0008] As a preferred technical solution of the utility model, a battery pack and a communication module are installed on the side of the pressure sensor, the output end of the pressure sensor is electrically connected to the input end of the communication module, and the battery pack is used to power the pressure sensor and the communication module.

[0009] As a preferred technical solution of the utility model, a positioning seat is provided in the gear box, and an arc groove is provided on the top of the positioning seat, a positioning shaft is fixed to the side of the test gear, and the positioning shaft is rotatably set in the arc groove, the top of the gear box is open, and a protective cover plate for sealing the opening is provided at the opening of the gear box, and a positioning frame for limiting the positioning shaft is fixed to the side of the protective cover plate.

[0010] As a preferred technical solution of the utility model, a movable plate is slidably installed in the gear box, the positioning seat is installed on the side of the movable plate, a guide rod for positioning and guiding the movable plate is fixed in the gear box, a push rod is installed on the side of the movable plate, and one end of the push rod passes through and extends to the outside of the gear box.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The gearbox lubrication test and evaluation device of the utility model controls the driving motor to drive the driving shaft to rotate. The driving shaft pushes the second clamping plate through the first clamping plate on the side of the first disc so that the second disc drives the transmission shaft to rotate. In this process, the first clamping plate and the second clamping plate apply force to the pressure sensor, and the pressure sensor detects the force of the main gear driving the test gear to rotate. By setting up multiple groups of gearboxes, the lubrication effect of multiple different lubricants can be tested. The lubricating oil used in the gearbox with the lowest torque is the lubricating oil with the best lubricating effect, which is convenient for testing and evaluating the quality of the lubricating oil.

[0013] 2. In the gearbox lubrication test and evaluation device of the utility model example, after the test is completed, the protective cover on the top of the gearbox is opened to move the positioning frame away from the side of the positioning shaft, and then the test gear is removed from the side of the positioning seat and removed from the gearbox, and the outer side of the test gear is observed or the size is measured to detect the degree of wear of the test gear, so as to facilitate the evaluation of the lubrication test data results. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a cross-sectional structural schematic diagram of the protection box in the utility model;

[0016] Figure 3 for Figure 2 A schematic diagram of the structure enlargement at the center A;

[0017] Figure 4 for Figure 2 A magnified schematic diagram of the structure at point B in the middle.

[0018] In the figure: 1 workbench, 2 drive motor, 3 drive shaft, 4 first disc, 41 first clamping plate, 5 second disc, 51 second clamping plate, 6 transmission shaft, 7 pressure sensor, 71 battery pack, 72 communication module, 8 gear box, 81 main gear, 82 positioning seat, 83 protective cover plate, 84 positioning frame, 85 moving plate, 86 guide rod, 87 push rod, 9 test gear, 91 positioning shaft, 10 protective sleeve, 11 protective box. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figure 1-4 The utility model provides a technical solution: a gearbox lubrication test and evaluation device, comprising a workbench 1 and a gearbox 8 installed on the side of the workbench 1, a drive motor 2 is installed on the upper side of the workbench 1, and the drive motor 2 is controlled by an external controller or switch group. Its circuit setting adopts the existing technology, and a drive shaft 3 is installed on the output shaft of the drive motor 2 through a coupling, a first disc 4 is fixed at the end of the drive shaft 3, and a second disc 5 is arranged on the side of the first disc 4, a connecting piece and a detection component are arranged between the first disc 4 and the second disc 5, the connecting piece is used for transmission, and the detection component is used to detect the torque size during transmission, and a transmission shaft 6 is installed on the side of the second disc 5.

[0021] The transmission shaft 6 passes through and extends into the gear box 8. A main gear 81 installed on the side of the transmission shaft 6 is provided in the gear box 8. A test gear 9 meshing with the main gear 81 is installed in the gear box 8. The gear box 8 facilitates the installation and use of the test gear 9, and the test gear 9 protects the main gear 81 and the test gear 9, which is convenient for the lubrication test of the lubricating oil.

[0022] The connecting part includes a first clamping plate 41 and a second clamping plate 51. The first clamping plate 41 is installed on the side of the first disc 4, and the second clamping plate 51 is installed on the side of the second disc 5. The detection component is located between the first clamping plate 41 and the second clamping plate 51. The driving motor 2 is controlled to work to drive the driving shaft 3 to rotate. The driving shaft 3 pushes the second clamping plate 51 through the first clamping plate 41 on the side of the first disc 4 so that the second disc 5 drives the transmission shaft 6 to rotate. In this process, the first clamping plate 41 and the second clamping plate 51 apply force to the detection component, and the detection component detects the force of the main gear 81 driving the test gear 9 to rotate. By setting up multiple groups of gear boxes 8, the lubrication effects of multiple different lubricants can be compared and tested. The lubricating oil used in the gear box 8 with the lowest torque is the lubricating oil with the best lubrication effect, which is convenient for testing and evaluating the quality of the lubricating oil.

[0023] Several groups of connecting parts and detection components are provided. The detection component is a pressure sensor 7. The pressure sensor 7 detects the force of the main gear 81 driving the test gear 9 to rotate. The multiple groups of pressure sensors 7 are used to compare the data detection results and reduce the error of the test data. A protective cover 10 is provided on the outer side of the first disc 4 and the second disc 5. The first clamp plate 41, the second clamp plate 51 and the pressure sensor 7 are all located in the protective cover 10. The protective cover 10 is used to position the pressure sensor 7 to prevent the pressure sensor 7 from falling off from between the first clamp plate 41 and the second clamp plate 51. The protective cover 10 is slidingly arranged. By sliding the protective cover 10 away from the sides of the first disc 4 and the second disc 5, it is convenient to take out the pressure sensor 7 from between the first clamp plate 41 and the second clamp plate 51 for maintenance and replacement. A protective box 11 for positioning the protective cover 10 is installed on the upper side of the workbench 1.

[0024] A battery pack 71 and a communication module 72 are installed on the side of the pressure sensor 7. The output end of the pressure sensor 7 is electrically connected to the input end of the communication module 72. The battery pack 71 is used to power the pressure sensor 7 and the communication module 72. The pressure sensor 7 is controlled by an external controller, and the test data of the pressure sensor 7 is fed back to the controller through the communication module 72, which is convenient for the test personnel to compare and record the test data results.

[0025] A positioning seat 82 is provided in the gear box 8, and an arc groove is opened on the top of the positioning seat 82. A positioning shaft 91 is fixed to the side of the test gear 9, and the positioning shaft 91 is rotatably set in the arc groove. The top of the gear box 8 is open, and a protective cover plate 83 for sealing the opening is provided at the opening of the gear box 8. A positioning frame 84 for limiting the positioning shaft 91 is fixed on the side of the protective cover plate 83. By fixing the protective cover plate 83 at the opening so that the positioning frame 84 positions the positioning shaft 91, it is convenient for the installation and use of the test gear 9.

[0026] A movable plate 85 is slidably installed in the gear box 8, and a positioning seat 82 is installed on the side of the movable plate 85. A guide rod 86 for positioning and guiding the movable plate 85 is fixed in the gear box 8, and a push rod 87 is installed on the side of the movable plate 85. One end of the push rod 87 passes through and extends to the outside of the gear box 8. The movable plate 85 is pushed by the push rod 87 to move, so that the test gear 9 is meshed with the main gear 81 to test the lubricating effect of the lubricating oil. After the test is completed, the test gear 9 is separated from the main gear 81 by pulling the push rod 87, so that the test gear 9 is removed from the positioning seat 82. It should be noted that after pushing the movable plate 85 to make the test gear 9 mesh with the main gear 81, the protective cover 83 is installed. At this time, the positioning frame 84 on the side of the protective cover 83 can be effectively engaged with the positioning seat 82, which is convenient for the installation and positioning of the test gear 9.

[0027] The drive motor 2, pressure sensor 7, battery pack 71 and communication module 72 used in the present invention are all commonly used electronic components in the prior art, and their working methods and circuit structures are well-known technologies and will not be elaborated here.

[0028] When using:

[0029] The driving motor 2 is controlled to work and drive the driving shaft 3 to rotate. The driving shaft 3 pushes the second clamping plate 51 through the first clamping plate 41 on the side of the first disc 4 so that the second disc 5 drives the transmission shaft 6 to rotate. In this process, the first clamping plate 41 and the second clamping plate 51 exert force on the pressure sensor 7, and the pressure sensor 7 detects the force of the main gear 81 driving the test gear 9 to rotate. By setting up multiple sets of gear boxes 8, the lubrication effects of multiple different lubricants can be compared and tested. The lubricating oil used in the gear box 8 with the lowest torque is the lubricating oil with the best lubricating effect, which is convenient for testing and evaluating the quality of the lubricating oil;

[0030] After the test is completed, open the protective cover 83 on the top of the gear box 8, move the positioning frame 84 away from the side of the positioning shaft 91, then remove the test gear 9 from the side of the positioning seat 82 and move it out of the gear box 8, observe the outside of the test gear 9 or measure its dimensions to detect the degree of wear of the test gear 9, so as to facilitate the evaluation of the lubrication test data results.

[0031] The undisclosed parts in the present utility model are all prior art, and their specific structures, materials and working principles are not described in detail. Although the embodiments of the present utility model have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present utility model, and the scope of the present utility model is defined by the attached claims and their equivalents.

Claims

1. A gearbox lubrication test and evaluation device, comprising a workbench (1) and a gearbox (8) mounted on a side of the workbench (1), characterized in that: A driving motor (2) is installed on the upper side of the workbench (1); a driving shaft (3) is installed on the output shaft of the driving motor (2); a first disc (4) is fixed to the end of the driving shaft (3); a second disc (5) is arranged on the side of the first disc (4); a connecting piece and a detection component are arranged between the first disc (4) and the second disc (5); and a transmission shaft (6) is installed on the side of the second disc (5); The transmission shaft (6) passes through and extends into the interior of a gear box (8), wherein a main gear (81) mounted on a side of the transmission shaft (6) is disposed in the gear box (8), and a test gear (9) meshing with the main gear (81) is mounted in the gear box (8).

2. The gearbox lubrication test and evaluation device according to claim 1, characterized in that: The connecting member comprises a first clamping plate (41) and a second clamping plate (51), wherein the first clamping plate (41) is mounted on a side of the first disc (4), and the second clamping plate (51) is mounted on a side of the second disc (5), and the detection assembly is located between the first clamping plate (41) and the second clamping plate (51).

3. The gearbox lubrication test and evaluation device according to claim 2, characterized in that: The connecting parts and the detection components are provided in several groups. The detection component is a pressure sensor (7). The first disc (4) and the second disc (5) are provided with a protective sleeve (10) on the outside, and the protective sleeve (10) is slidably arranged. The first clamping plate (41), the second clamping plate (51) and the pressure sensor (7) are all located in the protective sleeve (10). A protective box (11) for positioning the protective sleeve (10) is installed on the upper side of the workbench (1).

4. The gearbox lubrication test and evaluation device according to claim 3, characterized in that: A battery pack (71) and a communication module (72) are installed on the side of the pressure sensor (7); the output end of the pressure sensor (7) is electrically connected to the input end of the communication module (72); and the battery pack (71) is used to supply power to the pressure sensor (7) and the communication module (72).

5. The gearbox lubrication test and evaluation device according to claim 1, characterized in that: A positioning seat (82) is arranged in the gear box (8), and an arc groove is opened on the top of the positioning seat (82); a positioning shaft (91) is fixed on the side of the test gear (9), and the positioning shaft (91) is rotatably arranged in the arc groove; the top of the gear box (8) is open, and a protective cover plate (83) for sealing the opening is arranged at the opening of the gear box (8); a positioning frame (84) for limiting the positioning shaft (91) is fixed on the side of the protective cover plate (83).

6. The gearbox lubrication test and evaluation device according to claim 5, characterized in that: A movable plate (85) is slidably mounted in the gear box (8), the positioning seat (82) is mounted on the side of the movable plate (85), a guide rod (86) for positioning and guiding the movable plate (85) is fixed in the gear box (8), a push rod (87) is mounted on the side of the movable plate (85), and one end of the push rod (87) passes through and extends to the outside of the gear box (8).

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