An industrial robot speed reducer leakage detection device

Abstract

The present invention discloses a leakage detection device for an industrial robot speed reducer, which relates to the field of speed reducer detection and includes two bottom plates, and mounting frames are fixedly connected to the tops of both of the two bottom plates. In the present invention, when the rotating plate rotates around a non-central point, it acts on the hollow frame, causing it to generate a reciprocating vertical motion. The cam rotates with the rotating plate, and through the interaction of the first linkage rod and the second linkage rod, the push rod is driven. Due to the constraint of the central rod, the push rod can change its angle and rotate, ensuring that the lifting block makes a stable linear reciprocating motion in the second sliding groove. The up-and-down motion of the hollow frame is transmitted to the lifting block through the guiding block, and combined with the linear reciprocating motion, a compound motion is formed. This motion is transmitted to the industrial robot speed reducer inside the clamping plate, generating strong shaking. This shaking simulates the vibrations and impacts that may occur in the actual working environment, thereby enabling a more accurate assessment of the sealing performance and durability of the speed reducer.

Description

Technical Field

[0001] The present invention relates to the technical field of reducer detection, and particularly to a leakage detection device for an industrial robot reducer. Background Art

[0002] Robot reducers have the characteristics of high precision, high rigidity, high load, high efficiency, high speed ratio, long life, low inertia, low vibration, low noise, low temperature rise, beautiful appearance, light structure, convenient installation, and precise positioning. They are suitable for the speed increase and decrease transmission of AC servo motors, DC servo motors, stepping motors, and hydraulic motors.

[0003] For example, the "novel leakage detection device for an industrial robot reducer" with the publication number CN213874842U includes a base; first chutes are opened on the inner side walls of the base, and first sliders are arranged inside the first chutes. At the same time, a dehumidification box is connected above the outer side of the first slider. A silica gel pad is arranged below the outer side of the base. First clamping grooves are opened above the outer side of the base, and first clamping blocks are arranged inside the first clamping grooves. At the same time, a detection board is connected above the outer side of the first clamping block, and detection paper is arranged above the outer side of the detection board.

[0004] However, in the prior art, in practical applications, industrial robot reducers may experience various vibrations and impacts. These vibrations may cause the seals to loosen, break, or the sealing surfaces to deform, thereby causing leakage of lubricating oil. Therefore, general detection equipment cannot accurately simulate these vibrations and shakes during detection, resulting in the inability to accurately evaluate the potential leakage risk caused by vibrations in the real working environment of the reducer. Thus, during use, it is impossible to effectively prevent and reduce the occurrence of this leakage phenomenon, thereby affecting the performance and life of the reducer. Summary of the Invention

[0005] The purpose of the present invention is to provide a leakage detection device for an industrial robot reducer to solve the problem in the above background art that these vibrations and shakes cannot be accurately simulated during detection, resulting in the inability to accurately evaluate the potential leakage risk caused by vibrations in the real working environment of the reducer.

[0006] To achieve the above purpose, the present invention provides the following technical solution: A leakage detection device for an industrial robot reducer includes two bottom plates. Installation frames are fixedly connected to the tops of both bottom plates. A fixed block is installed on one side of the top of one installation frame, and two limiting frames are slidably connected to the top of the other installation frame. A testing mechanism is installed between the two installation frames, and a positioning mechanism is installed on the top of the testing mechanism. The positioning mechanism is used to position the industrial robot reducer to be detected;

[0007] The testing mechanism includes a rotating plate and a hollow frame. The rotating plate is located at the center inside the hollow frame. A cam is fixedly connected to the center of one side of the rotating plate. One end of the cam is rotatably connected to a first linkage rod. One end of the first linkage rod is rotatably connected to a second linkage rod. A center rod is fixedly connected to the middle of the second linkage rod. One end of the center rod is rotatably connected to a push rod. A guide block is fixedly connected to the center of the top of the hollow frame. The guide block is slidably connected to the fixed block. A lifting block is fixedly connected to the top of the guide block. A second chute is formed in the center of the top of the lifting block. A second slider is slidably connected inside the second chute. A test bench is fixedly connected to the top of the second slider. A connecting frame is fixedly connected to the center of one side of the test bench.

[0008] Preferably, a driving motor is installed on one side of the fixed block, and the output end of the driving motor is fixedly connected to the rotating plate.

[0009] Preferably, one end of the center rod is rotatably connected to the side wall of one of the mounting brackets, and the diameter of the rotating plate is the same as the inner width of the hollow frame.

[0010] Preferably, the cross-section of the second slider is a trapezoidal structure, and the width of the bottom end of the second slider is greater than that of the second chute.

[0011] Preferably, the positioning mechanism includes a mounting block. The mounting block is located inside the test bench, and the bottom of the mounting block is fixedly connected to the center of the top of the test bench. A first chute is formed inside the mounting block, and a support frame is fixedly connected to the center of the inner cavity of the first chute.

[0012] Preferably, a bidirectional lead screw is rotatably connected to the center of the support frame. Two first sliders are slidably connected inside the first chute, and the two first sliders are symmetrically distributed inside the first chute.

[0013] Preferably, the cross-section of the first slider is a trapezoidal structure, and the width of the bottom end of the first slider is greater than the width of the top of the first chute.

[0014] Preferably, the first slider is threadedly connected to the outer surface of the bidirectional lead screw, and a knob is fixedly connected to one end of the bidirectional lead screw.

[0015] Preferably, two clamping plates are symmetrically installed above the mounting block, and the bottoms of the two clamping plates are respectively fixedly connected to the tops of the two first sliders.

[0016] An industrial robot reducer leakage detection method includes the following steps:

[0017] Step 1: Detection pre-preparation. Place the industrial robot reducer to be tested between the two clamping plates, and place a solution test paper inside the test bench.

[0018] Step 2: Locking. Turn the knob so that the knob drives the bidirectional lead screw to move. The bidirectional lead screw controls the downward movement of the two first sliders by means of the threads on its surface, and then positions the industrial robot reducer to be tested by the movement of the clamping plate.

[0019] Step 3: Start testing. When the driving motor operates, it drives the rotating plate and the cam to rotate. Under the coordinated action of the first linkage rod, the second linkage rod and the push rod, the lifting block can move up and down, and the test bench moves linearly back and forth, so that the industrial robot reducer to be tested keeps shaking.

[0020] Step 4: Record the results. When the control test time reaches 10 - 60 minutes, after the test is over, immediately stop the operation of the test bench, and carefully observe the results of the test paper. The color change or wetness degree on the test paper will directly reflect the leakage situation of the reducer during the test. Then conduct multiple tests repeatedly and record the test results.

[0021] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0022] 1. In the present invention, when the rotating plate rotates around a non - center point, the dynamic force generated by it acts on the hollow frame, causing it to generate a vertical reciprocating motion up and down. The cam rotates with the rotating plate. Through the interaction of the first linkage rod and the second linkage rod, the push rod is driven. Due to the constraint of the central rod, the push rod can change its angle and rotate, ensuring that the lifting block makes a stable linear reciprocating motion in the second chute. The up - and - down motion of the hollow frame is transmitted to the lifting block through the guiding block, combined with the linear reciprocating motion, to form a compound motion. This motion is transmitted to the industrial robot reducer inside the clamping plate, generating strong shaking. This shaking simulates the vibrations and impacts that may occur in the actual working environment, thus being able to more accurately evaluate the sealing performance and durability of the reducer, ensuring the comprehensiveness and accuracy of the reducer test.

[0023] 2. In the present invention, through the driving motor, the rotating plate starts to rotate, and the cam cooperating with it rotates synchronously. The specific shape and trajectory of the rotating plate drive the hollow frame to perform precise up - and - down reciprocating motions. During this process, the guiding block is closely linked with the hollow frame and moves synchronously with the up - and - down motion of the hollow frame. The fixed block provides a stable motion environment for the guiding block and limits its motion range, ensuring the safety of the system. Under the guidance of the guiding block, the lifting block also makes a stable up - and - down reciprocating motion. This motion mode ensures the accuracy and reliability of the detection of the industrial robot reducer.

[0024] 3. In the present invention, the industrial robot reducer is precisely placed between two clamping plates with matching profiles to ensure non-destructive clamping. Rotate the knob, which drives the bidirectional lead screw to rotate. The threads at both ends of the lead screw are opposite, driving two first sliders to move synchronously in opposite directions or towards each other, thereby adjusting the distance between the clamping plates. Under the constraint of the first chute, the first sliders maintain stable linear movement to prevent deviation. As the knob rotates, the two clamping plates gradually approach and finally tightly clamp the reducer. This clamping method is both stable and reliable, ensuring that the reducer will not fall off during the detection process. The entire adjustment process is simple and easy to implement, quickly adapting to reducers of different sizes, providing a solid foundation for subsequent precise detection. Description of the Drawings

[0025] Figure 1 is the overall structural schematic diagram of a leakage detection device for an industrial robot reducer according to the present invention;

[0026] Figure 2 is the partial structural schematic diagram of a leakage detection device for an industrial robot reducer according to the present invention;

[0027] Figure 3 is the front view structural schematic diagram of a leakage detection device for an industrial robot reducer according to the present invention;

[0028] Figure 4 is the disassembled structural schematic diagram of the test mechanism of a leakage detection device for an industrial robot reducer according to the present invention;

[0029] Figure 5 is the structural schematic diagram of the test mechanism of a leakage detection device for an industrial robot reducer according to the present invention;

[0030] Figure 6 is the partial structural schematic diagram of the test mechanism of a leakage detection device for an industrial robot reducer according to the present invention;

[0031] Figure 7 is the structural schematic diagram of the positioning mechanism of a leakage detection device for an industrial robot reducer according to the present invention.

[0032] In the figure: 1. Base plate; 11. Limiting frame; 12. Fixed block; 13. Mounting frame; 2. Positioning mechanism; 21. Mounting block; 22. First chute; 23. First slider; 24. Support frame; 25. Knob; 26. Clamping plate; 27. Bidirectional lead screw; 3. Test mechanism; 31. Hollow frame; 32. Rotating plate; 33. Cam; 34. First linkage rod; 35. Second linkage rod; 351. Central rod; 36. Pushing rod; 361. Connecting frame; 37. Lifting block; 371. Second chute; 38. Guide block; 39. Test bench; 391. Second slider; 4. Driving motor. Detailed Embodiments

[0033] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0034] Embodiment 1: Refer to Figures 1-6 As shown in the figure: An industrial robot reducer leakage detection device includes two bottom plates 1. Mounting frames 13 are fixedly connected to the tops of both bottom plates 1. A fixed block 12 is installed on one side of the top of one mounting frame 13. Two limit frames 11 are slidably connected to the top of the other mounting frame 13. A testing mechanism 3 is installed between the two mounting frames 13. A positioning mechanism 2 is installed on the top of the testing mechanism 3. The positioning mechanism 2 is used to position the industrial robot reducer to be detected;

[0035] The testing mechanism 3 includes a rotating plate 32 and a hollow frame 31. The rotating plate 32 is located at the center inside the hollow frame 31. A cam 33 is fixedly connected to the center of one side of the rotating plate 32. One end of the cam 33 is rotatably connected to a first linkage rod 34. One end of the first linkage rod 34 is rotatably connected to a second linkage rod 35. A center rod 351 is fixedly connected to the middle of the second linkage rod 35. One end of the center rod 351 is rotatably connected to a push rod 36. A guide block 38 is fixedly connected to the center of the top of the hollow frame 31. The guide block 38 is slidably connected to the fixed block 12. A lifting block 37 is fixedly connected to the top of the guide block 38. A second chute 371 is opened at the center of the top of the lifting block 37. A second slider 391 is slidably connected inside the second chute 371. A testing table 39 is fixedly connected to the top of the second slider 391. A connecting frame 361 is fixedly connected to the center of one side of the testing table 39.

[0036] In this embodiment, first, when the rotating plate 32 performs a circular motion around a non - center point, the dynamic force generated by it on the hollow frame 31 is complex and variable. This asymmetric rotation not only causes the hollow frame 31 to receive an upward force, but also as the rotating plate 32 continues to rotate, the direction of this force will also change. This change will cause the hollow frame 31 to generate an up - and - down reciprocating motion in the vertical direction.

[0037] When the cam 33 rotates together with the rotating plate 32, it interacts with the second link 35 through the first link 34. Since the center of the second link 35 is fixed to the center rod 351, and the center rod 351 is rotatably connected to the mounting bracket 13, the second link 35 can only swing around the center rod 351. This swing is converted into a driving force on the lifting block 37 through the push rod 36. Due to the constraint of the center rod 351, the push rod 36 can change its angle and rotate during the transmission of power, thus ensuring that the lifting block 37 can perform stable linear reciprocating motion inside the second chute 371.

[0038] Through the guide block 38, the up-and-down movement of the hollow frame 31 is transmitted to the lifting block 37, so as to be combined with the linear reciprocating motion generated by the second link 35 through the push rod 36. This combined motion enables the lifting block 37 to perform not only up-and-down reciprocating motion but also linear reciprocating motion. This compound motion is transmitted to the industrial robot reducer to be tested inside the clamping plate 26, causing it to generate strong shaking. By simulating various vibrations and impacts that may occur in the actual working environment, the sealing performance and durability of the reducer can be evaluated more accurately.

[0039] Embodiment 2: Figures 3-5 As shown, a driving motor 4 is installed on one side of the fixed block 12, and the output end of the driving motor 4 is fixedly connected to the rotating plate 32. One end of the center rod 351 is rotatably connected to the side wall of one of the mounting brackets 13, and the diameter of the rotating plate 32 is the same as the inner width of the hollow frame 31. The cross-section of the second slider 391 is a trapezoidal structure, and the bottom width of the second slider 391 is greater than that of the second chute 371.

[0040] In this embodiment, when the driving motor 4 is started and drives the rotating plate 32 to rotate. As the rotating plate 32 rotates, the cam 33 that fits closely with it will also rotate synchronously. Due to the specific shape and rotation trajectory of the rotating plate 32, it will interact with the hollow frame 31, thereby driving the hollow frame 31 to perform up-and-down reciprocating motion. This motion mode ensures that the hollow frame 31 can perform precise and stable up-and-down movement within a limited range.

[0041] At the same time, the guide block 38 is closely connected to the hollow frame 31. Therefore, when the hollow frame 31 performs up-and-down reciprocating motion, the guide block 38 will also move with it. When the guide block 38 moves inside the fixed block 12, it will interact with the lifting block 37. This interaction enables the lifting block 37 to perform up-and-down reciprocating motion together under the drive of the guide block 38.

[0042] The fixed block 12 can not only provide a stable motion environment for the guide block 38 but also limit the motion range of the guide block 38, thus avoiding the situation of detachment. It not only improves the safety of the entire system but also ensures the accuracy and reliability of the detection.

[0043] During the lifting process of the guide block 38, its stable motion trajectory also ensures that the lifting block 37 can maintain stable motion. This stability is crucial for the detection of multiple industrial robot reducers. It can ensure that each reducer can be accurately and consistently detected, thereby improving the efficiency and accuracy of the detection.

[0044] Embodiment 3: According to Figures 6-7 As shown, the positioning mechanism 2 includes a mounting block 21, which is located on the inner side of the test bench 39, and the bottom of the mounting block 21 is fixedly connected to the center of the top of the test bench 39. A first slide groove 22 is provided on the inner side of the mounting block 21, and a support frame 24 is fixedly connected to the center of the inner cavity of the first slide groove 22. A bidirectional screw rod 27 is rotatably connected to the center of the support frame 24, and two first sliders 23 are slidably connected to the inner side of the first slide groove 22, and the two first sliders 23 are symmetrically distributed inside the first slide groove 22. The cross section of the first slider 23 is a trapezoidal structure, and the width of the bottom end of the first slider 23 is greater than the width of the top of the first slide groove 22. The first slider 23 is connected to the outer surface of the bidirectional screw rod 27 by threads, and a knob 25 is fixedly connected to one end of the bidirectional screw rod 27. Two clamps 26 are symmetrically installed above the mounting block 21, and the bottoms of the two clamps 26 are fixedly connected to the tops of the two first sliders 23 respectively.

[0045] In this embodiment, first, the industrial robot reducer is accurately placed on two clamping plates 26. The two clamping plates 26 have contours that match the reducer surface to ensure that no damage is caused during the clamping process.

[0046] When the spacing of the clamping plates 26 needs to be adjusted to accommodate reducers of different sizes, the staff can operate by rotating the knob 25. The knob 25 is connected to the bidirectional screw rod 27. When the knob 25 is rotated, it drives the bidirectional screw rod 27 to rotate together. The surfaces of both ends of the bidirectional screw rod 27 are engraved with opposite threads, so that the screw rod can simultaneously control the sliding of the two first sliders 23 when rotating.

[0047] As the bidirectional screw rod 27 rotates, the two first sliders 23 will move in opposite or opposite directions according to the direction of the thread. This ensures that no matter how big the reducer is, the clamping plate 26 can be accurately adjusted to a suitable spacing. At the same time, the first slider 23 will be restricted by the first slide groove 22 when moving, and this restriction ensures that the slider can maintain stable linear motion and avoid deviation or shaking during the movement.

[0048] When the two clamping plates 26 are brought close together by the movement of the first slider 23, they will tightly clamp the industrial robot reducer in the middle. This clamping method is not only stable and reliable, but also can effectively prevent the reducer from falling off during the detection process.

[0049] Embodiment 4: A method for detecting leakage of an industrial robot reducer, comprising the following steps:

[0050] 1) Preparing for testing: placing the industrial robot reducer to be tested between two clamping plates 26, and placing a solution test paper inside the test table 39;

[0051] 2) Lock and turn the knob 25, so that the knob 25 drives the bidirectional screw 27 to move. The bidirectional screw 27 uses the threads on the surface to control the two first sliders 23 to move downward, and then the clamping plate 26 is moved to position the reducer of the industrial robot to be tested;

[0052] 3) Start the test. When the driving motor 4 is running, the rotating plate 32 and the cam 33 are driven to rotate. Under the coordinated action of the first linkage rod 34, the second linkage rod 35 and the push rod 36, the lifting block 37 can move up and down, and the test table 39 reciprocates in a straight line, so that the industrial robot reducer to be tested shakes continuously;

[0053] 4) Record the results. When the test time reaches 10-60 minutes, stop the operation of the test bench 39 immediately after the test is completed, and carefully observe the results of the test paper. The color change or wetness on the test paper will directly reflect the leakage of the reducer during the test. Then repeat the test several times and record the test results.

[0054] The method of use and working principle of the device: First, the reducer is carefully placed between the two clamping plates 26. By rotating the knob 25, the bidirectional screw 27 can be easily driven to rotate. This rotation action utilizes the opposite threads on the two ends of the screw to effectively control the sliding direction of the two first sliders 23 on the screw. Due to the design of the thread direction, the two sliders will move in opposite or opposite directions, ensuring the accuracy and stability of clamping.

[0055] During the movement of the sliders, they are strictly restricted by the first slide groove 22, ensuring the accuracy and stability of the linear motion, thereby avoiding the risk of the sliders detaching from the mounting block 21. The movement of the two sliders further drives the synchronous movement of the two clamping plates 26, so that the industrial robot reducer to be tested can be accurately positioned and firmly clamped. This design not only ensures the stability of the reducer during the test process, but also effectively prevents it from falling off during the test process.

[0056] Next, by starting the driving motor 4, the rotating plate 32 begins to rotate. This rotation not only drives the synchronous rotation of the cam 33 but also causes the up-and-down reciprocating motion of the hollow frame 31. The guide block 38 moves along with the movement of the hollow frame 31, thereby driving the lifting block 37 to perform up-and-down reciprocating motion inside the fixed block 12. The design of the fixed block 12 ensures the stability and safety of the guide block 38 during movement, avoiding the risk of it deviating from the track.

[0057] During the circular motion of the rotating plate 32, since its rotation center is not located at the center of the circle, a force is exerted on the hollow frame 31, causing it to move upward. As the rotating plate 32 continues to rotate, when the upward force on the hollow frame 31 is no longer applied, the hollow frame 31 will descend due to gravity. This continuous rotational motion causes the hollow frame 31 to produce a stable up-and-down reciprocating motion.

[0058] Meanwhile, when the rotating plate 32 rotates, the cam 33 also rotates synchronously. The rotation of the cam 33 drives the movement of the first linkage rod 34, and then drives the movement of the push rod 36 through the second linkage rod 35. Since the center of the second linkage rod 35 is located on the center rod 351 and the center rod 351 is rotatably connected to the mounting frame 13, the second linkage rod 35 remains stable in the horizontal position and only swings around the center rod 351. This swing transmits power to the lifting block 37 through the push rod 36, causing it to perform linear reciprocating motion inside the second chute 371. Due to the presence of the center rod 351, the push rod 36 can flexibly change the angle and rotation direction during power transmission, ensuring the smooth transmission of power.

[0059] Finally, the up-and-down reciprocating motion and the linear reciprocating motion of the lifting block 37 act on the industrial robot reducer to be tested through the clamping plate 26, causing it to shake strongly. This shaking helps to detect whether there are quality problems such as leakage in the reducer, improving the accuracy and reliability of the detection.

[0060] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. An industrial robot reducer leakage detection device, comprising two base plates (1), the tops of the two base plates (1) are fixedly connected to mounting frames (13), one of the mounting frames (13) is mounted with a fixing block (12) on one side of the top, and the top of the other mounting frame (13) is slidably connected to two limit frames (11), characterized in that: A testing mechanism (3) is installed between the two mounting frames (13), a positioning mechanism (2) is installed on the top of the testing mechanism (3), and the positioning mechanism (2) is used to position the reducer of the industrial robot to be tested; The testing mechanism (3) comprises a rotating plate (32) and a hollow frame (31), wherein the rotating plate (32) is located at the center of the inner side of the hollow frame (31), a cam (33) is fixedly connected to the center of one side of the rotating plate (32), one end of the cam (33) is rotatably connected to a first linkage rod (34), one end of the first linkage rod (34) is rotatably connected to a second linkage rod (35), the middle of the second linkage rod (35) is fixedly connected to a center rod (351), and one end of the center rod (351) is rotatably connected to a push rod (36). A guide block (38) is fixedly connected to the center of the top of the hollow frame (31); the guide block (38) is slidably connected to the fixed block (12); a lifting block (37) is fixedly connected to the top of the guide block (38); a second slide groove (371) is provided at the center of the top of the lifting block (37); a second slider (391) is slidably connected inside the second slide groove (371); a test bench (39) is fixedly connected to the top of the second slider (391); and a connecting frame (361) is fixedly connected to the center of one side of the test bench (39).

2. The industrial robot reducer leakage detection device according to claim 1, characterized in that: A drive motor (4) is mounted on one side of the fixed block (12), and an output end of the drive motor (4) is fixedly connected to the rotating plate (32).

3. The industrial robot reducer leakage detection device according to claim 2, characterized in that: One end of the central rod (351) is rotatably connected to a side wall of one of the mounting frames (13), and the diameter of the rotating plate (32) is the same as the inner width of the hollow frame (31).

4. The industrial robot reducer leakage detection device according to claim 3, characterized in that: The cross section of the second sliding block (391) is a trapezoidal structure, and the bottom end width of the second sliding block (391) is greater than the second sliding groove (371).

5. The industrial robot reducer leakage detection device according to claim 4, characterized in that: The positioning mechanism (2) comprises a mounting block (21), the mounting block (21) being located inside the test bench (39), and the bottom of the mounting block (21) being fixedly connected to the center of the top of the test bench (39), the inside of the mounting block (21) being provided with a first slide groove (22), and the center of the inner cavity of the first slide groove (22) being fixedly connected to a support frame (24).

6. The industrial robot reducer leakage detection device according to claim 5, characterized in that: A bidirectional screw rod (27) is rotatably connected to the center of the support frame (24), and two first sliding blocks (23) are slidably connected to the inside of the first sliding groove (22), and the two first sliding blocks (23) are symmetrically distributed inside the first sliding groove (22).

7. The industrial robot reducer leakage detection device according to claim 6, characterized in that: The cross section of the first sliding block (23) is a trapezoidal structure, and the bottom width of the first sliding block (23) is greater than the top width of the first sliding groove (22).

8. The industrial robot reducer leakage detection device according to claim 7, characterized in that: The first sliding block (23) is connected to the outer surface of the bidirectional screw rod (27) via threads, and a knob (25) is fixedly connected to one end of the bidirectional screw rod (27).

9. The industrial robot reducer leakage detection device according to claim 8, characterized in that: Two clamping plates (26) are symmetrically mounted above the mounting block (21), and the bottoms of the two clamping plates (26) are respectively fixedly connected to the tops of the two first sliding blocks (23).

10. A method for detecting leakage of an industrial robot reducer, characterized in that: The industrial robot reducer leakage detection device described in claim 9 is used, comprising the following steps: S1. Preparing for testing: placing the industrial robot reducer to be tested between two clamping plates (26), and placing a solution test paper on the inner side of the test bench (39); S2, locking, turning the knob (25), so that the knob (25) drives the bidirectional screw (27) to move, and the bidirectional screw (27) uses the threads on the surface to control the two first sliders (23) to move downward, and then the clamping plate (26) is moved to position the reducer of the industrial robot to be tested; S3, start testing, when the driving motor (4) is running, the rotating plate (32) and the cam (33) are driven to rotate, and under the coordinated action of the first linkage rod (34), the second linkage rod (35) and the push rod (36), the lifting block (37) can move up and down, and the test bench (39) can move back and forth in a straight line, so that the industrial robot reducer to be tested shakes continuously; S4. Record the results. When the test time reaches 10-60 minutes, immediately stop the test bench (39) after the test is completed, and carefully observe the test paper results. The color change or wetness on the test paper will directly reflect the leakage of the reducer during the test. Then, repeat the test several times and record the test results.

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