Anti-vibration and anti-shake test board for large-hollow light-weight speed reducer

Abstract

The invention, which relates to the technical field of the speed reducer test equipment, discloses an anti-seismic and anti-shake test bench for a large hollow lightweight speed reducer, comprising an anti-seismic test bench, the top of the anti-seismic test bench is symmetrically provided with positioning mechanisms, the bottom of the anti-seismic test bench is provided with a cushioning mechanism, and the anti-seismic test bench is provided with a test mechanism. The positioning air cylinder pushes the side pushing block and the positioning clamping plate to slide in the opposite direction, the multi-face stable clamping effect is provided for the speed reducer, the sliding block provides the guiding effect in the moving process, the positioning accuracy can be improved, meanwhile, the lifting sliding rail is further installed on the side face of the side pushing block, and the positioning precision is improved. The lifting sliding blocks are arranged on the outer sides of the positioning clamping plates and slidably connected to the inner sides of the lifting sliding rails, the lifting threaded rods are used for threaded connection in the positioning clamping plates, the lifting motors are used for driving the lifting threaded rods to rotate to drive the positioning clamping plates to achieve height adjustment, then rapid adjustment according to the height of the speed reducer is facilitated, and the application range is widened.

Description

Technical Field

[0001] The present invention relates to the technical field of reducer testing equipment, in particular to a large hollow lightweight reducer anti-vibration and anti-shake test bench. Background Art

[0002] With the rapid development of industrial automation, large hollow lightweight reducers have been widely used in many fields, such as aerospace, new energy vehicle manufacturing, and high-end CNC machine tools. Due to their unique large hollow structural design, this type of reducer can effectively reduce its own weight while meeting the high torque transmission requirements, thereby improving the overall operating efficiency and energy utilization of the equipment. However, during actual operation, large hollow lightweight reducers are extremely susceptible to vibration and shock due to their structural characteristics and the complexity of the working environment. Vibration and shaking will not only cause the transmission accuracy of the reducer to decrease, affecting the normal operation of the equipment, but may also cause premature wear or even damage to components, seriously shortening the service life of the reducer. Therefore, it is particularly important to test the anti-seismic and anti-shake performance of large hollow lightweight reducers.

[0003] The existing reducer seismic test bench is not convenient for quickly and stably positioning and installing the reducer during seismic testing, which increases the difficulty of operation and reduces the test efficiency. To solve the above problems, a large hollow lightweight reducer seismic and anti-shake test bench is proposed. Summary of the Invention

[0004] The purpose of the present invention is to provide a large hollow lightweight reducer anti-vibration and anti-shake test bench to solve the problem that the existing technology proposed in the above background technology is not convenient for quickly and stably positioning and installing the reducer during operation, which increases the difficulty of operation and reduces the test efficiency.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a large hollow lightweight reducer anti-vibration and anti-shake test bench, comprising an anti-vibration test bench, a positioning mechanism is symmetrically provided on the top of the anti-vibration test bench, a shock-absorbing mechanism is provided on the bottom of the anti-vibration test bench, a test mechanism is installed on the anti-vibration test bench, and the anti-vibration test bench comprises a table plate, a horizontal vibration motor and an eccentric wheel are provided at the bottom of the table plate, the eccentric wheel is provided at the output end of the horizontal vibration motor, a movable rail is symmetrically provided at the bottom of the table plate, a horizontal slider is movably installed on the inner side of the movable rail, damping telescopic rods are provided on both sides of the horizontal slider, a spring member is provided on the outer side of the damping telescopic rod, a support frame is installed at the bottom of the horizontal slider, a mounting plate is provided at the bottom of the support frame, and a vertical vibration motor is provided on one side of the mounting plate; The positioning mechanism includes a positioning cylinder, the output end of the positioning cylinder is connected to a sliding block, a side push block is provided on the top of the sliding block, a lifting slide rail is provided on one side of the side push block, a lifting slider is slidably installed on the inner side of the lifting slide rail, and a positioning splint is provided on the side of the lifting slider.

[0006] Preferably, the shock absorbing mechanism includes a connecting plate, a plurality of shock absorbing springs are distributed along the edge of the bottom of the connecting plate, and a damping buffer column is provided on the inner side of the shock absorbing springs.

[0007] Preferably, a bottom supporting plate is installed at the bottom of the shock-absorbing spring, and a spring is provided on the outer side of the damping buffer column.

[0008] Preferably, the testing mechanism includes a testing host, and a signal line is connected to one side of the testing host.

[0009] Preferably, an acceleration sensor, a displacement sensor and a force sensor are provided on one side of the test host.

[0010] Preferably, the inner side of the lifting slider is threadedly connected to a lifting threaded rod, a lifting motor is provided on the top of the lifting threaded rod, the lifting threaded rod passes through the top of the lifting slide rail, and the lifting motor is installed on the top of the lifting slide rail.

[0011] Preferably, a plurality of anti-slip strips are evenly distributed on one side of the positioning splint, and side supports are fixedly installed on both sides of the positioning cylinder, and the side supports are symmetrically installed on the outer side of the table.

[0012] Preferably, a U-shaped frame is fixedly installed on the bottom of the table, and the horizontal vibration motor is installed on the U-shaped frame.

[0013] Preferably, movable support plates are provided at both ends of the bottom of the movable rail, and movable grooves are symmetrically opened on the top of the support frame, and the movable support plates are slidably connected to the inner side of the movable grooves.

[0014] Preferably, damping support columns are provided at both ends of the bottom of the support frame, and the bottoms of the damping support columns are connected to the tops of the connecting plates.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. In the present invention, the side push block and the positioning clamp plate are pushed to slide toward each other by the positioning cylinder, thereby providing a multi-faceted and stable clamping effect for the reducer, and the sliding block provides a guiding role during the movement, which is beneficial to improving the positioning accuracy. At the same time, a lifting slide rail is also installed on the side of the side push block, and a lifting slider is provided on the outer side of the positioning clamp plate to be slidably connected to the inner side of the lifting slide rail, and the internal lifting threaded rod is threadedly connected. The lifting threaded rod is driven by the lifting motor to rotate to drive the positioning clamp plate to achieve height adjustment, which is beneficial to quickly adjust according to the height of the reducer, improves the scope of application, effectively improves the efficiency of installation and positioning, and further improves the testing efficiency. The anti-slip strip on the inner side of the positioning clamp plate is beneficial to provide an anti-slip effect during positioning and clamping, thereby improving the anti-slip performance and ensuring stable positioning and clamping.

[0016] 2. In the present invention, a plurality of shock-absorbing springs and damping buffer columns are distributed around the bottom of the connecting plate to provide support, and the bottom further provides stable support through the bottom support plate, which is beneficial to provide effective shock absorption during vibration operation, reduce the effect of vibration on the ground, thereby effectively reducing the impact on the surrounding area and ensuring the test effect.

[0017] 3. In the present invention, a space is provided for placing the reducer during testing through the table plate. The reducer is installed on the top of the table plate, and then a horizontal vibration motor is fixedly installed through a U-shaped frame for stable installation and support. The horizontal vibration motor is used to drive the eccentric wheel to rotate, thereby generating centrifugal force, so that the table plate can achieve horizontal vibration. At the same time, a movable rail is provided at the bottom of the table plate, and a horizontal slider is installed for sliding inside, and a rebound support is provided through a damping telescopic rod and a spring part, which is beneficial for the table plate and the reducer to achieve high-frequency horizontal vibration during the swinging vibration of the eccentric wheel. The sliding connection of the movable support plate and the movable groove can provide a stable support effect, which is beneficial to improve stability during the test. The bottom of the support frame is installed with a vertical vibration motor through the mounting plate, which can provide vertical vibration operation by utilizing its up and down swinging working principle. At the same time, the damping support column cooperates to keep the top at high-frequency vibration, which is beneficial for performing vertical swing work again after the horizontal vibration test is completed, which is beneficial for achieving multi-directional testing, improving the comprehensiveness of the test, and ensuring the test accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a three-dimensional diagram of a large hollow lightweight reducer anti-vibration and anti-shake test bench according to the present invention; Figure 2 This is a schematic structural diagram from another angle of a large hollow lightweight reducer anti-vibration and anti-shake test bench of the present invention; Figure 3 This is a partial structural diagram of a large hollow lightweight reducer anti-vibration and anti-shake test bench of the present invention; Figure 4 This is a partial cross-sectional structural diagram of a large hollow lightweight reducer anti-vibration and anti-shake test bench according to the present invention; Figure 5 This is a structural schematic diagram of a positioning mechanism of a large hollow lightweight reducer anti-vibration and anti-shake test bench according to the present invention; Figure 6 For the present invention Figure 1 A in the figure shows the enlarged structural diagram; Figure 7 For the present invention Figure 5 The enlarged structural diagram at B in FIG.

[0019] In the picture: 1. Anti-seismic test bench; 101. Table; 102. U-shaped frame; 103. Horizontal vibration motor; 104. Eccentric wheel; 105. Movable rail; 106. Horizontal slider; 107. Damping telescopic rod; 108. Spring; 109. Movable support plate; 110. Support frame; 111. Movable slot; 112. Mounting plate; 113. Vertical vibration motor; 114. Damping support column; 2. Positioning mechanism; 201. Positioning cylinder; 202. Sliding block; 2 03. Side push block; 204. Lifting slider; 205. Lifting threaded rod; 206. Lifting slide rail; 207. Lifting motor; 208. Positioning splint; 209. Anti-slip strip; 3. Shock-absorbing mechanism; 301. Connecting plate; 302. Shock-absorbing spring; 303. Damping buffer column; 304. Bottom support plate; 4. Testing mechanism; 401. Testing host; 402. Acceleration sensor; 403. Displacement sensor; 404. Force sensor; 405. Signal line. DETAILED DESCRIPTION

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the implementation regulations described are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0021] Example 1: Figure 1-Figure 7As shown, the present invention provides a technical solution: a large hollow lightweight reducer anti-vibration and anti-shake test bench, including an anti-vibration test bench 1, a positioning mechanism 2 is symmetrically arranged on the top of the anti-vibration test bench 1, a shock absorbing mechanism 3 is arranged on the bottom of the anti-vibration test bench 1, and a testing mechanism 4 is installed on the anti-vibration test bench 1. The anti-vibration test bench 1 includes a table 101, a horizontal vibration motor 103 and an eccentric wheel 104 are arranged at the bottom of the table 101, and the eccentric wheel 104 is arranged at the output end of the horizontal vibration motor 103. A movable rail 105 is symmetrically arranged at the bottom of the table 101, and a horizontal slider 106 is movably installed on the inner side of the movable rail 105. Damping telescopic rods 107 are arranged on both sides of the horizontal slider 106. A spring member 108 is provided on the outside of the rod 107, a support frame 110 is installed at the bottom of the horizontal slider 106, a mounting plate 112 is provided at the bottom of the support frame 110, a vertical vibration motor 113 is provided on one side of the mounting plate 112, a U-shaped frame 102 is fixedly installed at the bottom of the table 101, the horizontal vibration motor 103 is installed on the U-shaped frame 102, movable support plates 109 are provided at both ends of the bottom of the movable rail 105, movable grooves 111 are symmetrically opened on the top of the support frame 110, and the movable support plates 109 are slidably connected to the inner side of the movable groove 111, and damping support columns 114 are provided at both ends of the bottom of the support frame 110, and the bottom of the damping support column 114 is connected to the top of the connecting plate 301; The positioning mechanism 2 includes a positioning cylinder 201, the output end of the positioning cylinder 201 is connected to a sliding block 202, a side push block 203 is provided on the top of the sliding block 202, and a lifting slide rail 206 is provided on one side of the side push block 203. A lifting slider 204 is slidably installed on the inner side of the lifting slide rail 206, and a positioning splint 208 is provided on the side of the lifting slider 204. The inner side of the lifting slider 204 is threadedly connected to a lifting threaded rod 205, and a lifting motor 207 is provided on the top of the lifting threaded rod 205. The lifting threaded rod 205 passes through the top of the lifting slide rail 206, and the lifting motor 207 is installed on the top of the lifting slide rail 206. Several anti-slip strips 209 are evenly distributed on one side of the positioning splint 208, and side support frames are fixedly installed on both sides of the positioning cylinder 201, and the side support frames are symmetrically installed on the outer side of the table 101.

[0022] In this embodiment, the table 101 provides a space for placing the reducer during testing. The reducer is installed on the top of the table 101, and then a horizontal vibration motor 103 is fixedly installed through the U-shaped frame 102 for stable installation support. The horizontal vibration motor 103 is used to drive the eccentric wheel 104 to rotate, thereby generating centrifugal force, so that the table 101 can achieve horizontal vibration. At the same time, the movable rail 105 is provided at the bottom of the table 101, and a horizontal slider 106 is slidably installed inside, and a rebound support is provided through the damping telescopic rod 107 and the spring member 108, which is conducive to the swing and vibration of the eccentric wheel 104. During the test, the table 101 and the reducer can achieve high-frequency horizontal vibration. The sliding connection of the movable support plate 109 and the movable groove 111 can provide stable support, which is beneficial to improve stability during the test. The bottom of the support frame 110 is installed with a vertical vibration motor 113 through the mounting plate 112, which can provide vertical vibration operation by using its up and down swinging working principle. At the same time, the damping support column 114 cooperates to keep the top at high-frequency vibration, which is beneficial to perform vertical swing work again after the horizontal vibration test is completed, which is beneficial to realize multi-directional detection work, improve the comprehensiveness of the test, and ensure the test accuracy.

[0023] The anti-skid strip 209 on the inner side of the positioning clamp 208 is conducive to providing anti-skid effect during positioning and clamping, thereby improving the anti-skid performance and ensuring stable positioning.

[0024] Example 2: Figure 6 As shown, the shock-absorbing mechanism 3 includes a connecting plate 301, and a plurality of shock-absorbing springs 302 are distributed along the edge of the bottom of the connecting plate 301. A damping buffer column 303 is arranged on the inner side of the shock-absorbing spring 302, a bottom supporting plate 304 is installed at the bottom of the shock-absorbing spring 302, and a spring is arranged on the outer side of the damping buffer column 303.

[0025] In this embodiment, a plurality of shock-absorbing springs 302 and damping buffer columns 303 are distributed around the bottom of the connecting plate 301 to provide support, and the bottom is further provided with a stable support through the bottom support plate 304, which is beneficial to provide effective shock absorption during vibration operation, reduce the effect of vibration on the ground, thereby effectively reducing the impact on the surrounding area and ensuring the test effect.

[0026] Example 3: Figure 1 As shown, the testing mechanism 4 includes a testing host 401 , one side of the testing host 401 is connected to a signal line 405 , and one side of the testing host 401 is provided with an acceleration sensor 402 , a displacement sensor 403 and a force sensor 404 .

[0027] In this embodiment, the signal line 405 on the side of the test host 401 is connected to the reducer controller, which is conducive to controlling the reducer through the signal line 405 for manipulation and information reading. At the same time, the acceleration sensor 402 can detect, sense and record the acceleration during the vibration process, the displacement sensor 403 can sense and record the displacement amplitude generated during the vibration test, and the force sensor 404 facilitates the sensing and recording of the force generated during the vibration test. By comparing multiple groups of recorded data and combining the reducer working status data input by the signal line 405, the test host 401 is used for comparative analysis to obtain the seismic performance of the reducer, which is conducive to corresponding improvement processing according to its defects, thereby ensuring the test effect.

[0028] In the present invention, when the large hollow lightweight reducer anti-vibration and anti-shake test bench is in use, first, before the test, the reducer to be tested is placed on the surface of the table 101, and then the positioning cylinder 201 is used to push the side push block 203 and the positioning clamping plate 208 to slide in opposite directions, providing a multi-faceted stable clamping effect for the reducer. During the movement, the sliding block 202 provides a guiding function, which is conducive to improving the positioning accuracy. At the same time, a lifting slide rail 206 is also installed on the side of the side push block 203. A lifting slider 204 is provided on the outer side of the positioning clamping plate 208 and is slidably connected to the inner side of the lifting slide rail 206, and the interior is threadedly connected using a lifting threaded rod 205. The lifting motor 207 drives the lifting threaded rod 205 to rotate to drive the positioning clamping plate 208. The height adjustment is realized, which is conducive to rapid adjustment according to the height of the reducer, improves the scope of application, effectively improves the efficiency of installation and positioning, and further improves the test efficiency. The anti-slip strip 209 on the inner side of the positioning clamp 208 is conducive to providing anti-slip effect during positioning and clamping, thereby improving the anti-slip performance and ensuring stable positioning and clamping. The platform 101 provides space for the reducer to be placed during testing. The reducer is installed on the top of the platform 101 and then fixedly installed with a horizontal vibration motor 103 through the U-shaped frame 102 for stable installation support. The horizontal vibration motor 103 is used to drive the eccentric wheel 104 to rotate, thereby generating centrifugal force, so that the platform 101 can achieve the effect of horizontal vibration. At the same time, the movable rail 105 is arranged on the platform 10 1, and a horizontal slider 106 is slidably installed inside, and a rebound support is provided through the damping telescopic rod 107 and the spring member 108, which is conducive to the table 101 and the reducer to achieve high-frequency horizontal vibration during the swinging and vibration of the eccentric wheel 104. The sliding connection of the movable support plate 109 and the movable groove 111 can provide a stable support effect, which is conducive to improving stability during the test. The bottom of the support frame 110 is installed with a vertical vibration motor 113 through the mounting plate 112, which can provide vertical vibration operation by using its up and down swinging working principle. At the same time, the damping support column 114 cooperates to make the top maintain high-frequency vibration, which is conducive to vertical swinging again after the horizontal vibration test is completed, which is conducive to actual The multi-faceted detection work is now carried out, which improves the comprehensiveness of the test and ensures the test accuracy. The signal line 405 on the side of the test host 401 is connected to the reducer controller part, which is conducive to controlling the reducer through the signal line 405 for manipulation and information reading. At the same time, the acceleration sensor 402 can detect and sense the acceleration during the vibration process, the displacement sensor 403 can sense and record the displacement amplitude generated during the vibration test, and the force sensor 404 is convenient for sensing and recording the force generated during the vibration test. By comparing multiple groups of recorded data and combining the reducer working status data input by the signal line 405, the test host 401 is used for comparative analysis to obtain the anti-seismic performance of the reducer.This facilitates corresponding improvements based on its defects, ensuring the effectiveness of the test. The signal line 405 on the side of the test host 401 is connected to the reducer controller, which facilitates controlling the reducer through the signal line 405 for manipulation and information reading. At the same time, the acceleration sensor 402 can detect, sense, and record the acceleration during the vibration process. The displacement sensor 403 can sense and record the displacement amplitude generated during the vibration test. The force sensor 404 facilitates sensing and recording the force generated during the vibration test. By comparing multiple sets of recorded data and combining the reducer working status data input through the signal line 405 and using the test host 401 for comparative analysis, the seismic performance of the reducer can be obtained. This facilitates corresponding improvements based on its defects, ensuring the effectiveness of the test.

[0029] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A large hollow lightweight reducer anti-vibration and anti-shake test bench, comprising an anti-vibration test bench (1), characterized in that: The top of the anti-seismic test platform (1) is symmetrically provided with a positioning mechanism (2), the bottom of the anti-seismic test platform (1) is provided with a damping mechanism (3), and a testing mechanism (4) is installed on the anti-seismic test platform (1). The anti-seismic test platform (1) comprises a platform (101), the bottom of the platform (101) is provided with a horizontal vibration motor (103) and an eccentric wheel (104), the eccentric wheel (104) is provided at the output end of the horizontal vibration motor (103), and the bottom of the platform (101) is symmetrically provided with a positioning mechanism (2). A movable rail (105) is provided, a horizontal slider (106) is movably installed on the inner side of the movable rail (105), damping telescopic rods (107) are provided on both sides of the horizontal slider (106), a spring member (108) is provided on the outer side of the damping telescopic rod (107), a support frame (110) is installed at the bottom of the horizontal slider (106), a mounting plate (112) is provided at the bottom of the support frame (110), and a vertical vibration motor (113) is provided on one side of the mounting plate (112); The positioning mechanism (2) comprises a positioning cylinder (201), the output end of the positioning cylinder (201) is connected to a sliding block (202), a side push block (203) is provided on the top of the sliding block (202), a lifting slide rail (206) is provided on one side of the side push block (203), a lifting slider (204) is slidably mounted on the inner side of the lifting slide rail (206), and a positioning clamp (208) is provided on the side of the lifting slider (204).

2. The large hollow lightweight reducer anti-vibration and anti-shake test bench according to claim 1 is characterized by: The shock absorbing mechanism (3) comprises a connecting plate (301), a plurality of shock absorbing springs (302) are distributed along the edge of the bottom of the connecting plate (301), and a damping buffer column (303) is provided on the inner side of the shock absorbing springs (302).

3. The large hollow lightweight reducer anti-vibration and anti-shake test bench according to claim 2 is characterized by: A bottom support plate (304) is installed at the bottom of the shock-absorbing spring sheet (302), and a spring is provided on the outside of the damping buffer column (303).

4. The large hollow lightweight reducer anti-vibration and anti-shake test bench according to claim 1 is characterized by: The testing mechanism (4) comprises a testing host (401), and one side of the testing host (401) is connected to a signal line (405).

5. The large hollow lightweight reducer anti-vibration and anti-shake test bench according to claim 4 is characterized by: An acceleration sensor (402), a displacement sensor (403) and a force sensor (404) are provided on one side of the test host (401).

6. The large hollow lightweight reducer anti-vibration and anti-shake test bench according to claim 1 is characterized by: The inner side of the lifting slider (204) is threadedly connected to a lifting threaded rod (205), and a lifting motor (207) is provided on the top of the lifting threaded rod (205). The lifting threaded rod (205) passes through the top of the lifting rail (206), and the lifting motor (207) is installed on the top of the lifting rail (206).

7. The large hollow lightweight reducer anti-vibration and anti-shake test bench according to claim 6 is characterized by: A plurality of anti-slip strips (209) are evenly distributed on one side of the positioning clamping plate (208), and side supports are fixedly installed on both sides of the positioning cylinder (201), and the side supports are symmetrically installed on the outside of the table (101).

8. The large hollow lightweight reducer anti-vibration and anti-shake test bench according to claim 1 is characterized by: A U-shaped frame (102) is fixedly mounted on the bottom of the platform (101), and the horizontal vibration motor (103) is mounted on the U-shaped frame (102).

9. The large hollow lightweight reducer anti-vibration and anti-shake test bench according to claim 8, characterized in that: Movable support plates (109) are provided at both ends of the bottom of the movable rail (105), and movable grooves (111) are symmetrically opened on the top of the support frame (110), and the movable support plates (109) are slidably connected to the inner side of the movable grooves (111).

10. The large hollow lightweight reducer anti-vibration and anti-shake test bench according to claim 9, characterized in that: Damping support columns (114) are provided at both ends of the bottom of the support frame (110), and the bottom of the damping support column (114) is connected to the top of the connecting plate (301).

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