Device and method for detecting defects of gears in ultra-large torque reducer

Abstract

The present invention relates to the technical field of reducers, and specifically relates to a device and method for detecting defects of gears in an ultra-large torque reducer. The device comprises guide rails and several suspension rods fixedly connected above the guide rails, wherein the several suspension rods are configured to position and fix the guide rails, and several reducer bodies to be subjected to detection are distributed and placed below the guide rails; a travelling mechanism, which is slidably mounted below the guide rails and is configured to drive a detection component to move along the guide rails; and a positioning and moving mechanism, which is arranged below the travelling mechanism, wherein a fixing bracket is fixedly mounted below the positioning and moving mechanism, a camera is fixedly mounted below the fixing bracket, and the positioning and moving mechanism is configured to position the camera, enabling the detailed detection of different parts. Compared with the prior art, the present application meets the requirements for automatically detecting defects of different apparatuses in a visualized manner by means of the travelling mechanism being provided in cooperation with the positioning and moving mechanism; in addition, the arrangement of the device does not depend on ground space, thereby enabling the more efficient utilization of production space.

Description

A large torque reducer inner gear defect detection device and method TECHNICAL FIELD

[0001] The present application relates to the technical field of reducers, in particular to a large torque reducer inner gear defect detection device and method. BACKGROUND

[0002] The reducer is a core component in the transmission system, which can improve the system output torque under the premise of reducing the speed to meet the transmission requirements. The structure and working principle of the super large reducer are the same as those of the general torque reducer. The typical faults of the general reducer have been widely studied.

[0003] In the prior art, compared with the commonly used reducer, the super large torque reducer has a large volume, and the structural parameters and the transmitted working torque of the internal transmission parts of the super large torque reducer are much larger than those of the conventional reducer. The working conditions are generally more severe. However, due to the large volume and heavy weight, a large amount of manpower and material resources are required to disassemble and inspect the super large torque reducer, the downtime is long, the production efficiency is easily affected, and the gear is a core component of the reducer and a component that is prone to failure. It bears high load and large torque, is prone to wear and tear, and even breaks, resulting in the failure of the entire reducer. If the fault is not detected in time, it will cause greater cost loss. Therefore, the present application discloses a large torque reducer inner gear defect detection device to meet the batch rapid detection of gear defects and reduce the loss of manpower. SUMMARY

[0004] Therefore, the purpose of the present application is to provide a large torque reducer inner gear defect detection device and method to solve the problem of difficult detection of the internal structure of the large torque reducer.

[0005] To achieve the above purpose, the present application provides a large torque reducer inner gear defect detection device, two guide rails and a plurality of hangers fixedly connected above the two guide rails. A plurality of hangers are used to position and fix the two guide rails. A detection component is arranged below the two guide rails. A plurality of detected reducer bodies are placed below the guide rails.

[0006] A walking mechanism is slidably installed below the two guide rails. The walking mechanism is used to drive the detection component to move along the guide rail.

[0007] The positioning movement mechanism is arranged below the walking mechanism, and comprises four up-and-down stretching columns fixedly installed on both sides below the walking mechanism. The bottom ends of the four up-and-down stretching columns are fixedly installed with a platform support. A fixed support is movably installed below the positioning movement mechanism. A camera is fixedly installed below the fixed support. The positioning movement mechanism is used for positioning the camera, and can detect different parts in detail.

[0008] The window automatic opening and closing mechanism comprises an electric cylinder fixedly installed on one side below the platform support, and a cover plate fixedly installed above the reducer body. The window automatic opening and closing mechanism controls the opening and closing of the window on the cover plate at the top of the reducer.

[0009] Preferably, the walking mechanism comprises two roller wheels and a plurality of guide wheels slidably installed on the lower side of the guide rail. One side of one of the roller wheels is provided with a first driving motor. One side of the two roller wheels is provided with a mounting plate. The lower side of the mounting plate is fixedly connected with a loading table. The bottom of the loading table is fixedly installed with a wireless signal transceiver.

[0010] Preferably, the top ends of the four up-and-down stretching columns are fixedly connected with the bottom of the two loading tables on both sides, respectively. The longitudinal sides of the platform support are respectively provided with two camera moving guide rods. The two camera moving guide rods are slidably installed with sliding blocks, respectively.

[0011] Preferably, the lateral positions of the platform support are respectively rotatably installed with two rotating shafts. The two sides of the rotating shafts are respectively sleeved with belt pulleys. The two belt pulleys on the two rotating shafts are respectively sleeved with a transversely arranged transmission belt I. The top end of the sliding block is fixedly connected with the transversely arranged transmission belt I.

[0012] Preferably, the lower sides of the two sliding blocks are also rotatably installed with belt pulleys. The two belt pulleys below the sliding blocks are sleeved with a longitudinally arranged transmission belt II. A camera support is fixedly installed on one side of the longitudinally arranged transmission belt II below the sliding block.

[0013] Preferably, one side of the platform support is also fixedly installed with a second driving motor. The output end of the second driving motor is in transmission connection with one of the rotating shafts. The output end of the second driving motor and one of the rotating shafts are further provided with a belt tensioning wheel.

[0014] Preferably, the bottom side of the cover plate is provided with a sliding groove. The middle part of the cover plate is vertically provided with a sight glass. The sliding groove is slidably installed with a sliding block. The sliding block is used for shielding and opening and closing the sight glass. One side of the sliding block is fixedly connected with an optical shaft. The other end of the optical shaft is fixedly connected with an adapter plate. The adapter plate is matched with the output end of the electric cylinder.

[0015] Preferably, the sliding block is arranged between the cover plate and the reducer end cover, the upper surface of the sliding block is attached to the top surface of the sliding groove, the lower surface of the sliding block is attached to the top surface of the reducer end cover, a sight hole is arranged on the reducer end cover, the sight hole is coaxially arranged with the sight mirror, and the sliding block is arranged between the sight mirror and the sight hole.

[0016] Preferably, a positioning mechanism is further arranged below the positioning movement mechanism and on the reducer top cover, the positioning mechanism comprises an infrared emitter fixedly installed below the camera support and an infrared reflection point fixedly installed on one side of the cover plate.

[0017] The application also discloses a large-torque reducer inner gear defect detection method applied to the large-torque reducer inner gear defect detection device.

[0018] S1: first, the walking mechanism of the detection device is installed below the guide rail, a roller is driven by the first driving motor, the walking mechanism moves to a predetermined position along the guide rail, the object table ensures that the detection device remains stable during the movement, the wireless signal transceiver fixedly installed at the bottom of the object table receives a remote control signal to control the movement and positioning of the walking mechanism, the camera and other detection devices are fixed on the object table and move to the position of the reducer gear to be detected along with the walking mechanism;

[0019] S2: the infrared emitter fixedly installed below the camera support receives the infrared signal reflected by the infrared reflection point fixedly installed on one side of the top cover window to determine whether the detection position is reached, when the detection position is reached, a wireless control signal is transmitted to the wireless signal transceiver, the wireless signal transceiver controls the first driving motor to stop, and the entire detection device stops above the reducer to be detected;

[0020] S3: the up-and-down stretching column of the positioning movement mechanism provides stable vertical support, the platform support is installed at the bottom end of the four up-and-down stretching columns to drive the platform support to ascend and descend, the sliding block slides on the camera moving guide rod to drive the camera to move horizontally, at this time, the output end of the second driving motor is connected with one of the rotating shafts through a belt and a belt tensioning wheel to drive the belt to move, thereby driving the camera to move vertically, the camera support is fixedly installed below the sliding block on the side of the vertical transmission belt, the second driving motor drives the transmission shaft and the belt pulley to drive the vertical and horizontal transmission belts, thereby driving the camera to move stably in two directions, and the platform support is lifted and lowered to realize comprehensive and accurate detection of the reducer gear.

[0021] S4: When the camera moves to the specified detection position, the electric cylinder drives the adapter plate to move forward or backward, and the adapter plate drives the sliding block to slide in the sliding groove through the optical axis. When the sliding block moves, it blocks or opens the sight mirror, realizing the protection or exposure of the sight mirror. The sight mirror is vertically arranged in the middle of the cover plate to provide a clear observation window for the camera. When detection is needed, the electric cylinder drives the sliding block to open the sight mirror, allowing the camera to observe and detect the inside through the sight mirror. After detection, the electric cylinder drives the sliding block to close the sight mirror again. The whole process is controlled by the electric cylinder, realizing the automatic opening and closing of the sight mirror. Advantages

[0022] 1. The super large torque reducer inner gear defect detection device is provided with a walking mechanism cooperating with a positioning motion mechanism. The walking mechanism drives the detection device to move along the guide rail, so that the detection device can move between different reducer positions. The wireless signal transceiver receives remote control signals to control the movement and positioning of the walking mechanism, ensuring that the detection equipment remains stable during movement. The positioning motion mechanism provides vertical support through the up and down extension column. The platform support can be lifted and lowered. The sliding block slides on the camera moving guide rod. The horizontal and vertical transmission belts ensure the smooth movement of the camera in two directions. The second drive motor provides power to ensure the tension of the belt and the smoothness of the transmission system. The walking mechanism moves the detection device along the guide rail to the required detection position, ensuring that the device can quickly switch positions between different reducers. The positioning motion mechanism further precisely positions the camera, allowing it to perform detailed gear defect detection at the detection position. This can achieve batch-specific, visual detection of different environments and equipment. Simply arrange the defect detection device above the equipment to be detected to meet the needs of automated and visual defect detection of different equipment. Moreover, the device arrangement does not depend on ground space, which can better utilize production space.

[0023] 2. The super large torque reducer inner gear defect detection device is provided with a window automatic opening and closing mechanism. When the detection area is reached, the electric cylinder output end can be connected with the adapter plate. At this time, the electric cylinder controls the movement of the sliding block to realize the automatic opening and closing of the sight mirror, reducing manual operation and improving the convenience and efficiency of operation. When detection is needed, the sliding block opens the sight mirror, and the camera can observe the internal gear through the sight mirror, ensuring the real-time and accuracy of the detection process. The automatic opening and closing of the sight mirror protects the equipment and ensures the real-time and accuracy of the detection.

[0024] 3. The large torque reducer inner gear defect detection device, through the positioning mechanism, the infrared positioning mechanism ensures that the camera can accurately align the gear detection point, through the reception and reflection of the infrared signal, the positioning of the camera can be adjusted in real time, so that it aligns with the target detection part, and the accurate positioning reduces the time of re-alignment of the camera, improves the detection efficiency and accuracy, and ensures that each gear part can be detected in detail. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to make the technical solutions in the present application or the prior art clearer, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0026] Fig. 1 is a schematic view of the three-dimensional structure of the present application;

[0027] Fig. 2 is a schematic view of the structure of the positioning motion mechanism of the present application;

[0028] Fig. 3 is a schematic view of the structure of the window automatic opening and closing mechanism of the present application;

[0029] Fig. 4 is a schematic view of the local structure of the window automatic opening and closing mechanism of the present application;

[0030] Fig. 5 is a schematic view of the structure of the positioning mechanism of the present application;

[0031] Fig. 6 is a schematic view of the working process of the present application.

[0032] In the figure, the marks are:

[0033] 1, boom; 2, walking mechanism; 201, first drive motor; 202, object table; 203, roller; 204, guide wheel; 205, wireless signal transceiver; 3, positioning motion mechanism; 301, up-down stretching column; 302, camera moving guide rod; 303, second drive motor; 304, transmission belt one; 305, platform support; 306, pulley; 307, rotating shaft; 308, sliding block; 309, camera; 310, fixed support; 311, belt tensioning wheel; 312, transmission belt two; 4, window automatic opening and closing mechanism; 401, electric cylinder; 402, adapter plate; 403, optical axis; 404, sliding block; 405, sight glass; 406, cover plate; 407, sliding groove; 5, positioning mechanism; 501, infrared emitter; 502, infrared reflection point; 6, guide rail. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical solutions and advantages of the present application clearer, the following will further describe the present application in combination with specific embodiments.

[0035] It should be noted that the technical terms or scientific terms used in the present application should be understood as the general meaning understood by those skilled in the art unless otherwise defined. The "first", "second" and similar words used in the present application do not represent any order, quantity or importance, but are only used to distinguish different components. "Include" or "contain" and similar words mean that the elements or objects before the word cover the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connected" or "connected" and similar words are not limited to physical or mechanical connection, but can include electrical connection, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to represent the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0036] As shown in Figures 1 to 6, the inner gear defect detection device of the super large torque reducer, two guide rails 6 and a plurality of hangers 1 fixedly connected above the two guide rails 6, the plurality of hangers 1 are used for positioning and fixing the two guide rails 6, a detection component is arranged below the two guide rails 6, and a plurality of reducer bodies to be detected are placed below the guide rails 6; a walking mechanism 2, the walking mechanism 2 is slidingly installed below the two guide rails 6, and the walking mechanism 2 is used to drive the detection component to move along the guide rail 6; a positioning motion mechanism 3, the positioning motion mechanism 3 is arranged below the walking mechanism 2, the positioning motion mechanism 3 includes four up-down stretching columns 301 fixedly installed on the lower sides of the walking mechanism 2, a platform support 305 is fixedly installed at the bottom ends of the four up-down stretching columns 301, a fixed support 310 is movably installed below the positioning motion mechanism 3, a camera 309 is fixedly installed below the fixed support 310, the positioning motion mechanism 3 is used for positioning the camera 309, and detailed detection of different parts can be realized; a window automatic opening and closing mechanism 4, the window automatic opening and closing mechanism 4 includes an electric cylinder 401 fixedly installed on one side below the platform support 305 and a cover plate 406 fixedly installed above the reducer body, the window automatic opening and closing mechanism 4 controls the opening and closing of the window on the top cover plate 406 of the reducer, wherein a positioning mechanism 5 is further arranged below the positioning motion mechanism 3 and on the top cover of the reducer, the positioning mechanism 5 includes an infrared emitter 501 fixedly installed below the camera 309 support and an infrared reflection point 502 fixedly installed on one side of the cover plate 406;

[0037] First, the reducer body to be detected is placed in a fixed position under the guide rail 6, the walking mechanism 2 is slidingly installed under the guide rail 6, moves along the guide rail 6 to cover all detection areas, drives the positioning motion mechanism 3 to move, the positioning motion mechanism 3 is aligned with the detection position through the camera 309 installed on the lower fixed support 310 thereof, the infrared positioning mechanism 5 ensures that the camera 309 is accurately aligned with the gear detection point, the camera 309 detects the gears in different parts in detail under the control of the positioning motion mechanism 3, takes pictures of the gears through the camera 309, identifies potential defects, the window automatic opening and closing mechanism 4 opens the window before the detection starts, allows the camera 309 to observe the internal gears, closes the window after the detection ends, protects the internal structure of the reducer, the entire detection process realizes automation and high precision, ensures the detection efficiency and accuracy, wherein the sliding installation mode of the walking mechanism 2 allows the detection components to move flexibly along the guide rail 6, realizes comprehensive coverage detection of different reducer bodies, and the positioning motion mechanism 3 can accurately control the position of the camera 309, so that the camera 309 can be aligned with different parts of the detected gear for detailed detection, improving the precision and efficiency of the detection, the automatically opened and closed window protects the internal structure of the reducer, while allowing the camera 309 to observe when needed, ensuring the convenience and safety during detection.

[0038] As shown in FIG. 1 and FIG. 2, the walking mechanism 2 includes two rollers 203 slidingly installed on the lower side of the guide rail 6 and a plurality of guide wheels 204, one side of one of the rollers 203 is provided with a first driving motor 201, one side of the two rollers 203 is provided with a mounting plate, the lower side of the mounting plate is fixedly connected with a loading table 202, and the bottom of the loading table 202 is fixedly installed with a wireless signal transceiver 205;

[0039] When using the detection device, first, the walking mechanism 2 of the detection device is installed on the lower side of the guide rail 6, the walking mechanism 2 includes two rollers 203 and a plurality of guide wheels 204, which ensure that the device can move stably, and the configuration of the two rollers 203 and the plurality of guide wheels 204 ensures that the walking mechanism 2 moves stably and smoothly on the guide rail 6, reduces friction and resistance, and guarantees the stability during movement, one of the rollers 203 is driven by the first driving motor 201, the walking mechanism 2 moves to a predetermined position along the guide rail 6, the mounting plate and the loading table 202 ensure that the detection equipment remains stable during movement, the wireless signal transceiver 205 fixedly installed at the bottom of the loading table 202 receives remote control signals to control the movement and positioning of the walking mechanism 2, the camera 309 and other detection equipment are fixed on the loading table 202 and move to the position of the reducer gear to be detected with the walking mechanism 2, and the entire process is remotely controlled through wireless signals to realize efficient and accurate detection operation.

[0040] As shown in FIG. 1, FIG. 2, the top of four up and down stretching columns 301 is fixedly connected with the bottom of two sides of two object tables 202 respectively, the longitudinal two sides of a platform support 305 are provided with two camera moving guide rods 302 respectively, two camera moving guide rods 302 are slidably installed with sliding blocks 308 respectively, the lateral position two sides of the platform support 305 are rotatably installed with two rotating shafts 307 respectively, the two sides of the rotating shaft 307 are sleeved with pulleys 306, and the two sides of the pulleys 306 of the two rotating shafts 307 are sleeved with a horizontally arranged transmission belt one 304, the top of the sliding block 308 is fixedly connected with the horizontally arranged transmission belt one 304, and the two sliding blocks 308 are also rotatably installed with pulleys 306 below, the two pulleys 306 below the sliding block 308 are sleeved with a longitudinally arranged transmission belt two 312, a camera 309 support is fixedly installed on one side of the longitudinally arranged transmission belt two 312 below the sliding block 308, and a second driving motor 303 is also fixedly installed on one side of the platform support 305, and the output end of the second driving motor 303 is drivingly connected with one of the rotating shafts 307, and a belt tensioning wheel 311 is arranged between the output end of the second driving motor 303 and one of the rotating shafts 307.

[0041] When the detection device is used, the up and down stretching columns 301 of the positioning motion mechanism 3 are fixed below the two sides of the object table 202 to provide stable vertical support, the platform support 305 is installed at the bottom of the four up and down stretching columns 301 to drive the platform support 305 to ascend and descend, the longitudinal two sides of the platform support 305 are provided with the camera moving guide rods 302, the sliding blocks 308 slide on the camera moving guide rods 302, the transmission belt one 304 is used to realize horizontal movement, at this time, the second driving motor 303 is fixedly installed on one side of the platform support 305, the output end of the second driving motor 303 is connected with one of the rotating shafts 307 through a belt and the belt tensioning wheel 311, the belt is driven to move, and the tension of the transmission belt one 304 is ensured, the rotating shafts 307 are rotatably installed on the lateral position two sides of the platform support 305, the two sides of the rotating shaft 307 are sleeved with the pulleys 306, the transmission belt one 304 is connected on the pulleys 306, the top of the sliding block 308 is fixedly connected with the transmission belt one 304, the pulleys 306 are also rotatably installed below the sliding block 308, the transmission belt two 312 is connected on the pulleys 306, the camera 309 is driven to move longitudinally, the camera 309 support is fixedly installed on one side of the transmission belt two 312 below the sliding block 308, the whole system is powered by the second driving motor 303, the transmission shaft and the pulley 306 are driven, the transmission belt one 304 and the transmission belt two 312 are driven, and then the sliding block 308 and the camera 309 are smoothly moved in two directions, the overall and accurate detection of the gear of the speed reducer is realized, and the whole operation is controlled by the wireless signal transceiver 205 to ensure the efficiency and accuracy of the detection process.

[0042] As shown in Figures 3 to 5, the bottom side of the cover plate 406 is provided with a sliding groove 407, the middle part of the cover plate 406 is vertically provided with a sight glass 405, the inside of the sliding groove 407 is slidingly installed with a sliding block 404, the sliding block 404 is used for shielding and opening and closing the sight glass 405, one side of the sliding block 404 is fixedly connected with an optical shaft 403, the other end of the optical shaft 403 is fixedly connected with an adapter plate 402, the adapter plate 402 is matched with the output end of the electric cylinder 401;

[0043] When the operation starts, the electric cylinder 401 drives the adapter plate 402 to move forward or backward, the adapter plate 402 drives the sliding block 404 to slide in the sliding groove 407 through the optical shaft 403, when the sliding block 404 moves, the sight glass 405 is shielded or opened, the protection or exposure of the sight glass 405 is realized, the sight glass 405 is vertically arranged in the middle part of the cover plate 406, and a clear observation window is provided for the camera 309, when detection is needed, the electric cylinder 401 drives the sliding block 404 to open the sight glass 405, so that the camera 309 can observe and detect the inside through the sight glass 405, after the detection is completed, the electric cylinder 401 drives the sliding block 404 to close the sight glass 405 again, the automatic opening and closing of the sight glass 405 is realized through the accurate control of the electric cylinder 401, and the efficiency and accuracy of the detection process are ensured;

[0044] The sliding block 404 is arranged between the cover plate 406 and the reducer end cover, the upper surface of the sliding block 404 is attached to the top surface of the sliding groove 407, the lower surface of the sliding block 404 is attached to the top surface of the reducer end cover, a sight hole is arranged on the reducer end cover, the sight hole is coaxially arranged with the sight glass 405, and the sliding block 404 is arranged between the sight glass 405 and the sight hole;

[0045] When the electric cylinder 401 drives the adapter plate 402, the adapter plate 402 drives the sliding block 404 to move in the sliding groove 407 through the optical shaft 403, when detection is needed, the electric cylinder 401 moves the sliding block 404 away, so that the sight hole and the sight glass 405 are aligned, the camera 309 can observe the inside of the reducer through the sight glass 405 and the sight hole for detection, after the detection is completed, the electric cylinder 401 drives the sliding block 404 again, and moves the sliding block 404 to the position between the sight glass 405 and the sight hole to shield the sight glass 405.

[0046] The application also discloses a large-torque reducer inner gear defect detection method, which is applied to the large-torque reducer inner gear defect detection device and comprises the following steps:

[0047] S1: First, the walking mechanism 2 of the detection device is installed under the guide rail 6, and by driving a roller 203 through the first drive motor 201, the walking mechanism 2 moves along the guide rail 6 to a predetermined position, and the load table 202 ensures that the detection equipment remains stable during movement. The wireless signal transceiver 205 fixedly installed at the bottom of the load table 202 receives remote control signals to control the movement and positioning of the walking mechanism 2. The camera 309 and other detection equipment are fixed on the load table 202 and move with the walking mechanism 2 to the position of the gear of the speed reducer that needs to be detected;

[0048] S2: The infrared emitter 501 fixedly installed below the camera 309 bracket receives the reflected infrared signal of the infrared reflecting point 502 fixedly installed on one side of the top cover window to determine whether it has reached the detection position. When it reaches the detection position, a wireless control signal is transmitted to the wireless signal transceiver 205, and the wireless signal transceiver 205 controls the first drive motor 201 to stop, and the entire detection device stops above the speed reducer that needs to be detected;

[0049] S3: The up-and-down extension column 301 of the positioning motion mechanism 3 provides stable vertical support, the platform bracket 305 is installed at the bottom end of the four up-and-down extension columns 301 to drive the platform bracket 305 to ascend and descend. The sliding block 308 slides on the camera moving guide rod 302 to drive the camera 309 to move laterally. At this time, the second drive motor 303 is connected to one of the rotating shafts 307 through a belt and a belt tensioning wheel 311 at its output end to drive the belt to move and drive the camera 309 to move longitudinally. The camera 309 bracket is fixedly installed below the sliding block 308 on one side of the longitudinal transmission belt 304. The second drive motor 303 drives the transmission shaft and the belt pulley 306 to drive the longitudinal and lateral transmission belts 304, and further drives the camera 309 to move smoothly in two directions, and cooperates with the platform bracket 305 to ascend and descend to realize comprehensive and accurate detection of the gear of the speed reducer;

[0050] S4: When the camera 309 moves to the specified detection position, the electric cylinder 401 drives the adapter plate 402 to move forward or backward, and the adapter plate 402 drives the sliding block 404 to slide in the sliding groove through the optical axis 403. When the sliding block 404 moves, it blocks or opens the sight mirror 405 to realize protection or exposure of the sight mirror 405. The sight mirror 405 is vertically arranged in the middle of the cover plate 406 to provide a clear observation window for the camera 309. When detection is needed, the electric cylinder 401 drives the sliding block 404 to open the sight mirror 405, allowing the camera 309 to observe and detect internally through the sight mirror 405. After the detection is completed, the electric cylinder 401 drives the sliding block 404 to close the sight mirror 405 again. The entire process is precisely controlled by the electric cylinder 401 to realize automatic opening and closing of the sight mirror 405;

[0051] Compared with the prior art, the automatic movement and positioning of the walking mechanism 2 are realized through the first driving motor 201 and the wireless signal transceiver 205, the automation degree and the accuracy of the detection process are improved, the error of manual operation is reduced, the multi-directional movement of the positioning movement mechanism 3 and the camera 309 is matched, the comprehensive and accurate detection of the speed reducer gear can be realized, the camera 309 can move smoothly in the transverse and longitudinal directions, and is matched with the lifting of the platform support 305, so that the detection has no dead angle, and the infrared emitter 501 and the reflection point are matched, so that whether the detection device reaches the specified detection position can be accurately judged, and the accuracy and reliability of the detection process are ensured.

[0052] Those skilled in the art should understand: the discussion of any of the above embodiments is only exemplary, and is not intended to imply that the scope (including claims) of the present application is limited to these examples; under the idea of the present application, the technical features in the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the present application as described above, which are not provided in details for the sake of brevity.

[0053] The present application is intended to cover all such alternatives, modifications and variations as fall within the broad scope of the appended claims. Accordingly, any and all such modifications, variations, and equivalents that fall within the spirit and scope of the application are intended to be included within the scope of the application.

Claims

1.

1. An apparatus for detecting defects in an inner gear of an ultra-torque reducer, the apparatus comprising: The utility model relates to a kind of automatic detection device for reducer, including: Two guide rails (6) and the hanger (1) of being fixedly connected above two the guide rails (6), several the hanger (1) is used for positioning and fixed two the guide rails (6), the lower portion of two the guide rails (6) is provided with detection component, and the lower portion of the guide rail (6) is placed with several detected reducer body; Walking mechanism (2), the walking mechanism (2) is slidably installed below two the guide rails (6), and the walking mechanism (2) is used to drive detection component to move along guide rail (6); Positioning motion mechanism (3), the positioning motion mechanism (3) is arranged below walking mechanism (2), and the positioning motion mechanism (3) includes four upper and lower stretch columns (301) fixedly installed below the two sides of the walking mechanism (2), the bottom of four the upper and lower stretch columns (301) is fixedly installed with platform support (305), fixed support (310) is movably installed below the positioning motion mechanism (3), camera (309) is fixedly installed below the fixed support (310), and the positioning motion mechanism (3) is used to position camera (309), and different parts can be detected in detail; Window automatic opening and closing mechanism (4), the window automatic opening and closing mechanism (4) includes electric cylinder (401) fixedly installed below one side of platform support (305), and cover plate (406) fixedly installed above the reducer body, and the window automatic opening and closing mechanism (4) controls the window opening and closing on the top cover plate (406) of reducer.

2. The apparatus for detecting defects of an inner gear of an ultra-large torque reducer according to claim 1, characterized by, The walking mechanism (2) includes two roller wheels (203) and a plurality of guide wheels (204) slidably installed below the guide rail (6), one side of one roller wheel (203) is provided with a first drive motor (201), one side of two the roller wheels (203) is provided with a mounting plate, the lower portion of the mounting plate is fixedly connected with a carrier (202), and the bottom of the carrier (202) is fixedly installed with a wireless signal transceiver (205).

3. The apparatus for detecting defects of an inner gear of an ultra-large torque reducer according to claim 2, characterized by, The top of four the upper and lower stretch columns (301) is fixedly connected with the bottom of two the carrier (202) two sides respectively, and the longitudinal two sides of the platform support (305) are respectively provided with two camera moving guide rods (302), and the sliding block (308) is slidably installed on two the camera moving guide rods (302).

4. The apparatus for detecting defects of an inner gear of an ultra-large torque reducer according to claim 3, characterized by, The horizontal position two sides of the platform support (305) are respectively rotatably installed with two rotating shafts (307), the two sides of the rotating shaft (307) are sleeved with pulley (306), and the two sides pulley (306) of two the rotating shafts (307) are sleeved with horizontally arranged transmission belt one (304), and the top of the sliding block (308) is fixedly connected with horizontally arranged transmission belt one (304).

5. The apparatus for detecting defects of an inner gear of an ultra-large torque reducer according to claim 4, characterized by, Two said slide block (308) below also rotatingly installed pulley (306), the slide block (308) below two pulley (306) on the sleeve set longitudinally arranged transmission belt two (312), camera (309) support fixedly installed in the slide block (308) below longitudinally arranged transmission belt two (312) one side.

6. The apparatus for detecting defects of an inner gear of an ultra-large torque reducer according to claim 5, wherein The side of the platform support (305) is also fixedly installed with a second drive motor (303), the output end of the second drive motor (303) is in belt transmission connection with one of the rotating shafts (307), and the output end of the second drive motor (303) is also provided with a belt tensioning wheel (311) between one of the rotating shafts (307).

7. The apparatus for detecting defects of an inner gear of an ultra-large torque reducer according to claim 1, wherein The bottom side of the cover plate (406) is provided with a sliding groove (407), the middle part of the cover plate (406) is vertically provided with a sight glass (405), the inside of the sliding groove is slidably provided with a sliding block (404), the sliding block (404) is used for shielding and opening and closing the sight glass (405), one side of the sliding block (404) is fixedly connected with an optical shaft (403), the other end of the optical shaft (403) is fixedly connected with an adapter plate (402), and the adapter plate (402) is matched with the output end of the electric cylinder (401).

8. The apparatus for detecting defects of an inner gear of an ultra-large torque reducer according to claim 7, characterized by, The sliding block (404) is arranged between the cover plate (406) and the reducer end cover, the upper surface of the sliding block (404) is attached to the top surface of the sliding groove (407), the lower surface of the sliding block (404) is attached to the top surface of the reducer end cover, the reducer end cover is provided with a sight hole, the sight hole and the sight glass (405) are coaxially arranged, and the sliding block (404) is arranged between the sight glass (405) and the sight hole.

9. The apparatus for detecting defects in the inner gear of an ultra-torque reducer according to claim 1, wherein The lower side of the positioning motion mechanism (3) is also provided with a positioning mechanism (5) on the reducer top cover, the positioning mechanism (5) comprises an infrared emitter (501) fixedly installed below the camera (309) support and an infrared reflection point (502) fixedly installed on one side of the cover plate (406).

10. A method for detecting defects of an inner gear of an ultra-torque reducer, applied to the device for detecting defects of the inner gear of the ultra-torque reducer according to any one of claims 1-9, characterized in that, The steps include: S1: first, install the walking mechanism (2) of the detection device under the guide rail (6), drive one roller (203) through the first drive motor (201), and move the walking mechanism (2) along the guide rail (6) to the predetermined position, the object table (202) ensures that the detection equipment remains stable during the movement, the wireless signal transceiver (205) fixedly installed at the bottom of the object table (202) receives the remote control signal, controls the movement and positioning of the walking mechanism (2), the camera (309) and other detection equipment are fixed on the object table (202), and the walking mechanism (2) is moved to the position of the reducer gear to be detected; S2: The infrared emitter (501) fixedly installed below the camera (309) bracket receives the infrared signal reflected by the infrared reflecting point (502) fixedly installed on one side of the top cover window, to determine whether the detection position is reached. When the detection position is reached, the wireless control signal is transmitted to the wireless signal transceiver (205), and the wireless signal transceiver (205) controls the first drive motor (201) to stop, and the entire detection device stops above the reducer to be detected; S3: The up-and-down stretching column (301) of the positioning motion mechanism (3) provides stable vertical support, the platform bracket (305) is installed at the bottom end of the four up-and-down stretching columns (301), drives the platform bracket (305) to ascend and descend, the sliding block (308) slides on the camera moving guide rod (302), drives the camera (309) to move horizontally, at this time the output end of the second drive motor (303) is connected with one of the rotating shafts (307) through the belt and the belt tensioning wheel (311), drives the belt to move, drives the camera (309) to move vertically, the camera (309) bracket is fixedly installed below the sliding block (308) on the side of the vertical transmission belt (304), the second drive motor (303) drives the transmission shaft and the belt pulley (306), drives the vertical and horizontal transmission belts, and then drives the camera (309) to move stably in two directions, cooperates with the platform bracket (305) to ascend and descend, and realizes comprehensive and accurate detection of the reducer gear; S4: When the camera (309) moves to the specified detection position, the electric cylinder (401) drives the adapter plate (402) to move forward or backward, the adapter plate (402) drives the sliding block (404) to slide in the sliding groove (407) through the optical axis (403), when the sliding block (404) moves, the sight glass (405) is shielded or opened, the protection or exposure of the sight glass (405) is realized, the sight glass (405) is vertically arranged in the middle of the cover plate (406), and a clear observation window is provided for the camera (309), when detection is required, the electric cylinder (401) drives the sliding block (404) to open the sight glass (405), so that the camera (309) can observe and detect the inside through the sight glass (405), after the detection is completed, the electric cylinder (401) drives the sliding block (404) to close the sight glass (405) again, and the automatic opening and closing of the sight glass (405) is realized through the accurate control of the electric cylinder (401).

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