Speed reducer testing device
Through the reducer testing device that combines electric slide rails and bevel gears, the problem of human experience dependence in the prior art is solved, and the automatic detection of the shafts of different specifications of reducer shafts is realized, which improves the accuracy and efficiency of the detection.
Patent Information
- Application Number
- CN202422120487.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-30
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2034-08-30
AI Technical Summary
The existing reducer testing methods rely on human experience and cannot accurately measure the radial bouncing of the rotating shaft and the end face bouncing. The detection steps are cumbersome and poor adaptability, making it difficult to meet the detection needs of reducers of different specifications.
The reducer testing device is used to cooperate with electric slide rails, bevel gears and bidirectional screws. The housing position is adjusted through the electric slide rails to ensure the alignment of the rotation shafts, and the infrared module and counter are used to monitor the radial force and rotation speed to achieve automated detection.
Accurate detection of the shafts of reducers of different specifications is achieved, artificial errors are reduced, detection efficiency and accuracy are improved, and the reducer complies with design standards.
Smart Images
Figure CN223138981U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of speed reducers, in particular to a speed reducer testing device. Background Technique
[0002] A speed reducer is an independent component composed of gear transmission, worm transmission, and gear-worm transmission enclosed in a rigid housing, and is commonly used as a speed reduction transmission device between a prime mover and a working machine.
[0003] The testing of speed reducers mainly includes: geometric dimension and form and position tolerance detection, rotational accuracy and balance testing, tooth surface hardness and surface roughness detection, assembly quality inspection, no-load and load performance testing, and sealing performance testing. After completing the above comprehensive detections, the speed reducer can ensure that its performance meets the standards and is ready for factory shipment.
[0004] Regarding the rotational accuracy and balance testing of speed reducers, some of the existing testing methods rely on the practical experience of testers to judge the specific parameters of the detection, and cannot accurately measure the radial runout and end face runout of the rotating shaft. Moreover, the detection steps are relatively cumbersome and prone to human errors; and the detection fixtures of the detection machines used usually only target speed reducers of the same specification, and have poor adaptability to products of different specifications. Content of the Utility Model
[0005] In order to overcome the above-mentioned disadvantages of the prior art, the utility model provides an axial center speed reducer testing device that can detect the eccentricity of the rotating shafts of speed reducers of different specifications.
[0006] The technical solution of the utility model is: a reducer testing device, which includes an electric slide rail, an electric slider, a fixed disk, a sliding block, a lifting plate, a spring, an infrared module, a controller, an alarm, a first rotating rod, a sliding rod, a housing, a second rotating rod, bevel gears, a bidirectional screw rod, clamping plates and a guiding plate. An electric slider is slidably arranged on the electric slide rail. A fixed disk is arranged at the front end of the electric slider. Two sliding grooves are respectively opened on both sides of the middle part of the fixed disk. A sliding block is slidably arranged between the two sliding grooves in the middle part of the fixed disk. A lifting plate is slidably arranged in the middle part of the sliding block. Cavities are respectively left between the rear part of the lifting plate and both sides inside the sliding block. Springs are symmetrically arranged in the two cavities. Infrared modules are respectively arranged at the lower part inside the lifting plate and the lower part inside the sliding block, and the end faces of the two infrared modules are in contact with each other. A controller is arranged at the middle position of the bottom of the fixed disk. An alarm is arranged at the front side of the lower part of the fixed disk. A first rotating rod is rotatably arranged at the front side of the lifting plate. A sliding rod is slidably arranged inside the first rotating rod. A housing is arranged at the front side of the sliding rod. A second rotating rod is rotatably arranged through the upper part of the housing. There are three bevel gears. One of the bevel gears is arranged at the bottom end of the second rotating rod. A bidirectional screw rod is threadedly arranged between the two sides at the rear part inside the housing. The other two bevel gears are arranged at both sides of the middle part of the bidirectional screw rod. The two bevel gears in the middle part are respectively rotatably meshed with one of the bevel gears above, and the two bevel gears in the middle part of the bidirectional screw rod are arranged oppositely. Clamping plates are respectively arranged at both ends of the bidirectional screw rod by threads. The clamping plates are located inside the housing. A guiding plate is arranged in the middle part of the housing. The rear parts of both sides of the clamping plates are respectively slidably arranged inside the two sides of the guiding plate.
[0007] Further, the alarm is close to the controller at the rear, and the alarm is electrically connected to the controller.
[0008] Further, an installation groove is opened at the upper position near the rear part of the first rotating rod.
[0009] Further, a hexagonal prism hole is opened at the top inside the second rotating rod.
[0010] Further, a counter and an induction module are further included. A counter is arranged at the front side position of the upper part of the sliding block. The induction module is arranged in the installation groove of the first rotating rod, and the induction module is located directly below the counter.
[0011] Further, the counter is electrically connected to the induction module.
[0012] The beneficial effects of the utility model are: the position of the housing is adjusted through the electric slide rail to ensure the alignment of the reducer rotating shaft and the housing; the bevel gears are matched with the bidirectional screw rod, and rotating shafts of different sizes can be accurately clamped; the sliding block and the lifting block detect the radial force generated by the rotating shaft to identify manufacturing defects, and the actual rotation speed and number of turns are monitored through the induction module and the counter to ensure compliance with the design standards; when the radial force is abnormal or the speed does not meet the standard, the infrared module and the alarm will give warnings for timely adjustment. Description of the Drawings
[0013] Figure 1 This is the assembly schematic diagram of the utility model.
[0014] Figure 2 This is the three-dimensional structure schematic diagram of the electric slide rail, electric slider and fixed disk of the utility model.
[0015] Figure 3 This is the three-dimensional structure schematic diagram of components such as the lifting plate, spring and infrared module of the utility model.
[0016] Figure 4 This is the three-dimensional structure schematic diagram of components such as the housing, second rotating rod and bevel gear of the utility model.
[0017] Figure 5 This is the three-dimensional structure schematic diagram of components such as the bevel gear, bidirectional screw rod and clamping plate of the utility model.
[0018] Figure 6 This is the three-dimensional structure schematic diagram of components such as the sliding block, counter and induction module of the utility model. Among them: 1. Electric slide rail, 2. Electric slider, 3. Fixed disk, 40. Sliding block, 41. Lifting plate, 42. Spring, 43. Infrared module, 44. Controller, 45. Alarm instrument, 50. First rotating rod, 51. Sliding rod, 52. Housing, 53. Second rotating rod, 54. Bevel gear, 55. Bidirectional screw rod, 56. Clamping plate, 57. Guide plate, 60. Counter, 61. Induction module. Specific embodiments
[0019] The present utility model will be further described below in conjunction with the accompanying drawings and embodiments.
[0020] Embodiment: A reducer testing device, as Figures 1-6As shown in the figure, it includes an electric slide rail 1, an electric slider 2, a fixed disk 3, a sliding block 40, a lifting plate 41, a spring 42, an infrared module 43, a controller 44, an alarm instrument 45, a first rotating rod 50, a sliding rod 51, a housing 52, a second rotating rod 53, bevel gears 54, a bidirectional screw 55, clamping plates 56 and a guide plate 57. The electric slide rail 1 is used to provide a linear motion base platform for the entire test system. An electric slider 2 is slidably arranged on the electric slide rail 1. The electric slider 2 moves on the electric slide rail 1 and can drive the components connected thereto to perform precise displacement in the horizontal direction. A fixed disk 3 is arranged at the front end of the electric slider 2. The fixed disk 3 serves as the installation base for other components. Chute grooves are opened on both sides in the middle of the fixed disk 3. A sliding block 40 is slidably arranged between the two chute grooves in the middle of the fixed disk 3. A lifting plate 41 is slidably arranged in the middle of the sliding block 40. Cavities are left between the rear part of the lifting plate 41 and both sides inside the sliding block 40. Springs 42 are symmetrically arranged in the two cavities. They can provide a constant pre-tightening force for the reducer and ensure the stability of the reducer during the test to guarantee the accuracy of the test. Infrared modules 43 are arranged at the lower part inside the lifting plate 41 and the lower part inside the sliding block 40. When the reducer is being tested, it can monitor whether there is an eccentricity phenomenon in the reducer rotating shaft, and the end faces of the two infrared modules 43 are in contact. A controller 44 is fixedly arranged at the middle position at the bottom of the fixed disk 3. When the infrared module 43 detects an abnormality, it can send a signal to the controller 44. An alarm instrument 45 is arranged at the front side of the lower part of the fixed disk 3. The alarm instrument 45 is close to the controller 44 at the rear. The alarm instrument 45 is electrically connected to the controller 44. When the controller 44 receives an abnormal signal, the alarm instrument 45 will be activated to give a warning. A first rotating rod 50 is rotatably arranged at the front side of the lifting plate 41. An installation groove is opened at the upper position of the rear part of the first rotating rod 50 for installing other components. A sliding rod 51 is slidably arranged inside the first rotating rod 50. When the sliding rod 51 slides inside the first rotating rod 50, it can drive the components connected to its front side to move synchronously. A housing 52 is arranged at the front side of the sliding rod 51. A second rotating rod 53 is rotatably arranged through the upper part of the housing 52. A hexagonal prism hole is opened at the top inside the second rotating rod 53 to match with a hexagonal wrench or other hexagonal tools, so as to rotate the second rotating rod 53 manually or through tools. There are three bevel gears 54. One bevel gear 54 is arranged at the bottom end of the second rotating rod 53. A bidirectional screw 55 is threadedly arranged between the two sides at the rear part inside the housing 52. The other two bevel gears 54 are arranged on both sides of the middle of the bidirectional screw 55. The two bevel gears 54 in the middle are both rotatably meshed with the one bevel gear 54 above, realizing the conversion of the torque from the vertical direction to the horizontal direction and transmitting it to the bidirectional screw 55. And the two bevel gears 54 in the middle of the bidirectional screw 55 are arranged oppositely. Clamping plates 56 are arranged at both ends of the bidirectional screw 55 in a threaded manner. The clamping plates 56 are located inside the housing 52. The rotation of the bidirectional screw 55 makes the clamping plates 56 at both ends move synchronously to fix the rotating shaft of the reducer to be tested and ensure that the reducer will not be displaced during the test.Inside the middle part of the housing 52, a guide plate 57 is provided. The rear parts of the two clamping plates 56 slide on both sides inside the guide plate 57. The guide plate 57 ensures that the clamping plates 56 remain parallel when moving, avoiding displacement of the speed reducer during the test.
[0021] As Figure 1 and Figure 6 shown, it further includes a counter 60 and an induction module 61. The counter 60 is arranged at the front side position of the upper part of the sliding block 40. The counter 60 records the number of rotations of the speed reducer. The induction module 61 is arranged in the installation groove of the first rotating rod 50. The induction module 61 is located directly below the counter 60. The induction module 61 is used in cooperation with the counter 60, and can detect the rotation position or the number of rotations of the first rotating rod 50, and feed the data back to the controller 44 for monitoring the rotation speed of the speed reducer shaft. The counter 60 is electrically connected to the induction module 61. Through the electrical connection, the induction module 61 can transmit the monitored data (such as the number of rotations of the shaft) to the counter 60.
[0022] First, install the electric slide rail 1 on the vertical mounting plate above the tabletop. Place the reducer to be tested on the tabletop. Drive the fixed seat to move up or down through the electric slide rail 1, so that the fixed seat drives components such as the front slider 40 and the housing 52 to move synchronously. Adjust the slide rail until the front part inside the housing 52 is precisely aligned with the position of the reducer's rotating shaft. Subsequently, pull the sliding rod 51, and the front housing 52 will cover the outside of the reducer's rotating shaft. At this time, turn off the electric slide rail 1 and stop driving the fixed seat, and the housing 52 will also stop moving. Insert a hex wrench into the hexagonal prism hole of the second rotating rod 53 and rotate the hex wrench, which will drive the second rotating rod 53 to rotate. One bevel gear 54 at the bottom of the second rotating rod 53 will also rotate accordingly, causing the other two bevel gears 54 meshing with it to rotate. The other two bevel gears 54 will drive the bidirectional screw 55 to rotate. The clamping plates 56 at both ends of the bidirectional screw 55 will move inwards or outwards along the thread direction. Then continue to rotate the hex wrench until the clamping plates 56 tightly adhere to and fix the reducer's rotating shaft. Remove the hex wrench; start the reducer to make its rotating shaft start to rotate. The clamping plates 56 clamped on both sides of the rotating shaft will rotate accordingly, and the entire housing 52 will rotate. The first rotating rod 50 at the rear of the housing 52 will also rotate synchronously. During the rotation of the reducer's rotating shaft, a radial rotational force will be generated. If the rotating shaft is eccentric, that is, the error generated during the manufacturing process causes the radial rotational force to be too large or too small, this will affect the rotation speed of the first rotating rod 50. If the radial rotational force is too large, the lifting plate 41 connected to the rotating shaft will slide up and down as the rotating shaft rotates. The sliding of the lifting plate 41 will affect the contact between the infrared modules 43, causing the two infrared modules 43 to separate. When the infrared modules 43 separate, the controller 44 below will receive the separation signal and trigger the alarm instrument 45 to alarm. The tester can learn from the alarm signal that the radial rotational force of the reducer's rotating shaft does not meet the specifications. In addition, if the eccentricity distance of the reducer's rotating shaft is too large, it will cause the slider 40 to slide, which also reflects that the eccentricity degree of the reducer's rotating shaft does not meet the standard; when the housing 52 rotates, the first rotating rod 50 and the induction module 61 on it will also rotate together. The induction module 61 is used to feedback the rotation speed of the reducer's rotating shaft. Normally, when the reducer's rotating shaft stops rotating, it should be exactly below the counter 60. The counter 60 measures the rotation speed and number of turns of the reducer's rotating shaft according to the position of the induction module 61. If when the reducer's rotating shaft stops, the induction module 61 is not directly below the counter 60 but is offset, then the counter 60 will feedback that the rotation speed of the reducer's rotating shaft does not meet the test standard. The above completes all the detection procedures.
[0023] The above has described the embodiments of the present invention in detail with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the purpose of the present invention.
Claims
1. A reducer testing device, characterized in that it comprises There are an electric slide rail (1), an electric slider (2), a fixed disk (3), a sliding block (40), a lifting plate (41), a spring (42), an infrared module (43), a controller (44), an alarm (45), a first rotating rod (50), a sliding rod (51), a housing (52), a second rotating rod (53), bevel gears (54), a bidirectional screw rod (55), clamping plates (56) and a guide plate (57). An electric slider (2) is slidably arranged on the electric slide rail (1). A fixed disk (3) is arranged at the front end of the electric slider (2). Two sides of the middle part of the fixed disk (3) are respectively provided with sliding grooves. A sliding block (40) is slidably arranged between the two sliding grooves in the middle part of the fixed disk (3). A lifting plate (41) is slidably arranged in the middle part of the sliding block (40). Cavities are left between the rear part of the lifting plate (41) and both sides inside the sliding block (40). Springs (42) are symmetrically arranged in the two cavities. Infrared modules (43) are arranged at the lower part inside the lifting plate (41) and the lower part inside the sliding block (40), and the end faces of the two infrared modules (43) are in contact with each other. A controller (44) is arranged at the middle position of the bottom of the fixed disk (3). An alarm (45) is arranged at the front side of the lower part of the fixed disk (3). A first rotating rod (50) is rotatably arranged at the front side of the lifting plate (41). A sliding rod (51) is slidably arranged inside the first rotating rod (50). A housing (52) is arranged at the front side of the sliding rod (51). A second rotating rod (53) is rotatably arranged through the upper part of the housing (52). There are three bevel gears (54). One of the bevel gears (54) is arranged at the bottom end of the second rotating rod (53). A bidirectional screw rod (55) is threadedly arranged between both sides at the rear part inside the housing (52). The middle part of the bidirectional screw rod (55) is provided with the other two bevel gears (54). The two bevel gears (54) in the middle part are both rotatably meshed with the one bevel gear (54) above, and the two bevel gears (54) in the middle part of the bidirectional screw rod (55) are arranged oppositely. Clamping plates (56) are threadedly arranged at both ends of the bidirectional screw rod (55). The clamping plates (56) are located inside the housing (52). A guide plate (57) is arranged in the middle part inside the housing (52). The rear parts of both sides of the clamping plates (56) are slidably arranged on both sides inside the guide plate (57).
2. The reducer testing device according to claim 1, characterized in that, The alarm (45) is close to the controller (44) at the rear, and the alarm (45) is electrically connected to the controller (44).
3. The reducer testing device according to claim 2, characterized in that, An installation groove is arranged at the upper position near the rear part of the first rotating rod (50).
4. The reducer testing device according to claim 3, characterized in that A hexagonal prism hole is arranged at the top inside the second rotating rod (53).
5. The reducer testing device according to claim 4, characterized in that, It further includes a counter (60) and an induction module (61). The counter (60) is arranged at the upper front side position of the sliding block (40). The induction module (61) is arranged in the installation groove of the first rotating rod (50), and the induction module (61) is located directly below the counter (60).
6. The reducer testing device according to claim 5, characterized in that, The counter (60) is electrically connected to the induction module (61).