Damping performance test system of rotary shimmy damping device based on linear driving

Abstract

The invention discloses a damping performance test system of a rotary shimmy damping device based on linear driving, which comprises a switching mechanism, and the switching mechanism comprises a mounting support, a connecting plate, a connecting shaft and a movable connecting rod; a connecting plate is fixedly arranged at one end of the mounting support, and the free end of the connecting plate is in sliding connection with the movable connecting rod; one end of the connecting shaft is hinged to the movable connecting rod, the connecting shaft is connected with a moving part of the linear test equipment through the movable connecting rod, and the linear test equipment is used for driving the movable connecting rod to move linearly; the other end of the connecting shaft is hinged with a moving part of the rotary shimmy damping device; and the top and the other end of the mounting support are fixedly connected with the linear test equipment and the fixed part of the rotary shimmy damping device respectively. The linear motion of the linear test equipment is converted into the rotary motion of the moving part of the rotary shimmy damping device through the conversion mechanism, the rotary shimmy damping device can be used for carrying out damping performance test on the linear test equipment, and the rotary shimmy damping device has good practicability.

Description

Technical Field

[0001] The invention belongs to the technical field of damping performance testing of a rotary sway reduction device, and in particular relates to a damping performance testing system of a rotary sway reduction device based on linear drive. Background Art

[0002] At present, the application of sway reduction devices is becoming more and more extensive, and the sway reduction damping performance is the main functional performance index. The types of test equipment for the sway reduction device include linear and rotary types. However, the test equipment for the sway reduction device is expensive, has high technical requirements, and has limited test resources. Therefore, improving the economy in the development process of the sway reduction device and effectively and reasonably utilizing the existing test equipment and technical resources are the current research and development hotspots. In particular, the test equipment for the existing commonly used linear sway reduction device is not compatible with the rotary sway reduction device. Summary of the invention

[0003] The purpose of the present invention is to provide a damping performance test system for a rotary sway reduction device based on linear drive, aiming to solve the above-mentioned problems. The present invention enables the test equipment of the linear sway reduction device (linear test equipment) to be applied to the rotary sway reduction device, thereby improving the utilization efficiency of the test equipment resources and the economy of the sway reduction device development process, and has good practicality.

[0004] The present invention is mainly achieved through the following technical solutions:

[0005] A damping performance testing system for a rotary sway reduction device based on linear drive comprises a conversion mechanism, wherein the conversion mechanism comprises a mounting support, a connecting plate, a connecting shaft and a movable connecting rod; a connecting plate is fixedly provided at one end of the mounting support, and a free end of the connecting plate is slidably connected to the movable connecting rod; one end of the connecting shaft is hinged to the movable connecting rod, and the connecting shaft is connected to a moving part of a linear test device through the movable connecting rod, and the linear test device is used to drive the movable connecting rod to move linearly; the other end of the connecting shaft is hinged to a moving part of the rotary sway reduction device; the top and the other end of the mounting support are fixedly connected to the fixed parts of the linear test device and the rotary sway reduction device, respectively.

[0006] In order to better implement the present invention, further, one end of the connecting shaft is hinged to the movable connecting rod through a second joint bearing, and the other end of the connecting shaft is hinged to the moving part of the rotary sway reduction device through a first joint bearing.

[0007] In order to better realize the present invention, it further includes a connecting pin, one side of the movable connecting rod is slidably connected to the free end of the connecting plate, one end of the movable connecting rod is a U-shaped structure, and a connecting shaft is inserted into the inside of the U-shaped opening, one end of the connecting pin penetrates into the U-shaped opening and passes through the connecting shaft, the movable connecting rod and is connected to the locking nut, and the connecting pin is hinged to the connecting shaft through a second joint bearing; the other end of the movable connecting rod is a columnar structure, and the other end of the movable connecting rod is fixedly connected to the moving part of the linear test equipment.

[0008] In order to better realize the present invention, it further includes a sliding support, the free end of the connecting plate is provided with a sliding support, the sliding support is provided with a sliding groove, the sliding support and the connecting shaft are inserted into the U-shaped opening at one end of the movable connecting rod, one end of the connecting pin is inserted into the U-shaped opening and passes through the connecting shaft, the sliding groove, the movable connecting rod in sequence and is connected to the locking nut, and the connecting pin is slidably connected to the sliding groove.

[0009] In order to better implement the present invention, further, one end of the connecting pin is provided with a limited end, and the other end is provided with an external thread corresponding to the locking nut.

[0010] In order to better realize the present invention, further, a fixing protrusion is provided on the top of the mounting support, and a side support is provided on one side, and the side support located at the other end of the mounting support is fixedly connected to the fixing component of the rotary sway reduction device; the fixing protrusion is fixedly connected to the fixing component of the linear test equipment.

[0011] In order to better implement the present invention, further, one end of the mounting bracket is fixed to the mounting connecting plate by a locking bolt.

[0012] The beneficial effects of the present invention are as follows:

[0013] The present invention realizes the conversion of the linear motion of the linear test equipment into the rotational motion of the moving parts of the rotary sway reduction device through a conversion mechanism, and the rotary sway reduction device can perform a damping performance test on the linear test equipment. The rotary sway reduction device is fixed to the linear test equipment through a mounting support, and is fixed to the moving parts of the linear test equipment through a movable connecting rod; the present invention converts the linear motion of the linear test equipment into the rotational motion of the rotary sway reduction device through the internal motion structure of the conversion mechanism, realizes the damping performance test of the rotary sway reduction device, and has good practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the conversion mechanism of the present invention;

[0015] Figure 2 for Figure 1 Sectional view of AA.

[0016] Among them: 1-locking bolt, 2-connecting plate, 3-mounting support, 4-connecting shaft, 5-first joint bearing, 6-sliding support, 7-movable connecting rod, 8-locking nut, 9-connecting pin, 10-second joint bearing, 11-side support, 12-fixing protrusion. DETAILED DESCRIPTION

[0017] Embodiment 1:

[0018] A damping performance test system for a rotary sway reduction device based on linear drive includes a conversion mechanism for converting the linear motion of a linear test device into the rotational motion of a moving part of the rotary sway reduction device, so that the rotary sway reduction device can be tested for damping performance on the linear test device. The conversion mechanism includes: a connecting plate 2, a mounting support 3, a connecting shaft 4 and a movable connecting rod 7.

[0019] A connecting plate 2 is fixedly provided at one end of the mounting support 3, and the free end of the connecting plate 2 is slidably connected to the movable link 7; one end of the connecting shaft 4 is hinged to the movable link 7, and the connecting shaft 4 is connected to the moving part of the linear test equipment through the movable link 7, and the linear test equipment is used to drive the movable link 7 to move linearly; the other end of the connecting shaft 4 is hinged to the moving part of the rotary sway reduction device; the top and the other end of the mounting support 3 are fixedly connected to the fixed parts of the linear test equipment and the rotary sway reduction device respectively. Preferably, one end of the connecting shaft 4 is hinged to the movable link 7 through the second joint bearing 10, and the other end of the connecting shaft 4 is hinged to the moving part of the rotary sway reduction device through the first joint bearing 5.

[0020] When the damping performance of the rotary type sway reduction device is tested, the fixed part of the sway reduction device is fixedly connected to the conversion mechanism through the side support 11 of the mounting support 3, and the moving part of the sway reduction device is connected to one end of the movable link 7 through the connecting shaft 4, the first joint bearing 5, and the second joint bearing 10. After the assembly connection between the sway reduction device and the conversion mechanism is completed, the conversion mechanism is connected to the fixed part of the linear test equipment through the fixed protrusion 12 of the mounting support 3, and the conversion mechanism is connected to the moving part of the linear test equipment through the other end of the movable link 7.

[0021] Start the linear test equipment, keep the mounting support 3 and the fixed parts of the linear test equipment stationary, and the movable link 7 performs reciprocating linear motion with the moving parts of the sway reduction device. The connection between the connecting shaft 4 and the moving parts of the rotary sway reduction device and the movable link 7 is a hinge connection. Therefore, the motion trajectory of the first joint bearing 5 is a circular arc, and the motion trajectory of the second joint bearing 10 is a straight line.

[0022] The movable link 7 performs linear motion under the drive of the linear test equipment, thereby driving the connecting shaft 4 to perform linear motion. At the same time, the first joint bearing 5 of the connecting shaft 4 is connected to the moving parts of the rotary sway reduction device, and the connecting shaft 4 drives the moving parts of the rotary sway reduction device to perform circular motion. Due to the damping effect of the internal structure of the rotary sway reduction device, the damping characteristics of the rotary sway reduction device act on the moving parts of the linear test equipment through the conversion mechanism, thereby realizing the test of the damping performance of the sway reduction device.

[0023] The present invention utilizes the working principle of the connecting rod to convert the linear motion of the linear test equipment into the rotary motion of the moving parts of the rotary sway reduction device. The rotary sway reduction device can be used to test the damping performance on the linear test equipment used for the linear sway reduction device.

[0024] Embodiment 2:

[0025] A damping performance test system for a rotary sway reduction device based on linear drive, such as Figure 1 and Figure 2 As shown, it includes a conversion mechanism for converting the linear motion of the linear test equipment into the rotational motion of the moving parts of the rotary anti-sway device, so that the rotary anti-sway device can be used to test the damping performance on the linear test equipment. The conversion mechanism includes: a locking bolt 1, a connecting plate 2, a mounting support 3, a connecting shaft 4, a first joint bearing 5, a sliding support 6, a movable connecting rod 7, a locking nut 8, a connecting pin 9 and a second joint bearing 10.

[0026] Generally, the working principle of the sway reduction device is that the fixed part of the sway reduction device is connected to the fixed body of the host, and the moving part of the sway reduction device is connected to the moving body of the host. When the moving body of the host is working, the moving part of the sway reduction device and the fixed part generate relative motion, and at the same time, damp the motion of the moving body of the host. When testing the damping performance of the sway reduction device, the installation of the sway reduction device on the test equipment simulates the actual working condition of the sway reduction device.

[0027] A connecting plate 2 is fixedly provided at one end of the mounting support 3, and the free end of the connecting plate 2 is slidably connected to the movable link 7; one end of the connecting shaft 4 is hinged to the movable link 7, and the connecting shaft 4 is connected to the moving part of the linear test equipment through the movable link 7, and the linear test equipment is used to drive the movable link 7 to move linearly; the other end of the connecting shaft 4 is hinged to the moving part of the rotary sway reduction device; the top and the other end of the mounting support 3 are fixedly connected to the fixed parts of the linear test equipment and the rotary sway reduction device respectively. Preferably, one end of the connecting shaft 4 is hinged to the movable link 7 through the second joint bearing 10, and the other end of the connecting shaft 4 is hinged to the moving part of the rotary sway reduction device through the first joint bearing 5.

[0028] The fixed part of the rotary sway reduction device is fixedly connected to the conversion mechanism through the side support 11 of the mounting support 3, the conversion mechanism is fixedly connected to the fixed part of the linear test equipment through the fixing protrusion 12 of the mounting support 3, and the mounting support 3 is fixedly connected to the connecting plate 2 through the locking bolt 1. The free end of the connecting plate 2 is provided with a sliding support 6, and the connecting plate 2 is movably connected with the movable connecting rod 7 through the sliding support 6.

[0029] One end of the movable link 7 is a U-shaped structure, and the sliding support 6 and the connecting shaft 4 are inserted into the U-shaped opening, and the connecting pin 9 is hinged to the connecting shaft 4 through the second joint bearing 10; the free end of the connecting plate 2 is provided with a sliding support 6, and the sliding support 6 is provided with a slide groove. One end of the connecting pin 9 penetrates the U-shaped opening and passes through the connecting shaft 4, the slide groove, the movable link 7 in sequence and is connected to the locking nut 8, and the connecting pin 9 is slidably connected to the slide groove. The other end of the movable link 7 is a columnar structure, and the other end of the movable link 7 is fixedly connected to the moving part of the linear test equipment.

[0030] The moving part of the rotary type sway reduction device is fixedly hingedly connected to the connecting shaft 4 through the first joint bearing 5, and the connecting shaft 4 is fixedly hingedly connected to the movable connecting rod 7 through the second joint bearing 10 and the connecting pin 9. The locking nut 8 fastens the movable connecting rod 7, the connecting shaft 4, and the connecting plate 2 through the connecting pin 9, and the connecting pin 9 is used to prevent the locking nut 8 from loosening. The conversion mechanism is fixedly connected to the moving part of the linear test equipment through the movable connecting rod 7 to perform linear motion.

[0031] When the damping performance of the rotary sway reduction device is tested, the connecting plate 2, the mounting support 3, the side support 11 and the fixed protrusion 12 are fixed, and the connecting shaft 4, the first joint bearing 5, the connecting pin 9, the movable connecting rod 7, the locking nut 8 and the second joint bearing 10 move synchronously with the moving parts of the linear test equipment. The motion trajectory of the moving parts of the rotary sway reduction device is a circular arc, and the motion trajectory of the first joint bearing 5 is also a circular arc, which is the same as the motion trajectory of the moving parts of the rotary sway reduction device. The linear motion of the linear test equipment is converted into the rotational motion of the moving parts of the rotary sway reduction device through the connecting shaft 4 and the first joint bearing 5 and the second joint bearing 10 of the conversion mechanism.

[0032] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any simple modification or equivalent change made to the above embodiment based on the technical essence of the present invention shall fall within the protection scope of the present invention.

Claims

1. A damping performance test system for a rotary sway reduction device based on linear drive, characterized in that: The invention comprises a conversion mechanism, wherein the conversion mechanism comprises a mounting support (3), a connecting plate (2), a connecting shaft (4) and a movable connecting rod (7); a connecting plate (2) is fixedly provided at one end of the mounting support (3), and a free end of the connecting plate (2) is slidably connected to the movable connecting rod (7); one end of the connecting shaft (4) is hinged to the movable connecting rod (7), and the connecting shaft (4) is connected to a moving part of a linear test device through the movable connecting rod (7), and the linear test device is used to drive the movable connecting rod (7) to move linearly; the other end of the connecting shaft (4) is hinged to a moving part of a rotary sway reduction device; the top and the other end of the mounting support (3) are fixedly connected to the fixed parts of the linear test device and the rotary sway reduction device, respectively.

2. The damping performance testing system of the rotary sway reduction device based on linear drive according to claim 1 is characterized in that: One end of the connecting shaft (4) is hinged to the movable connecting rod (7) via a second joint bearing (10), and the other end of the connecting shaft (4) is hinged to the moving part of the rotary sway reduction device via a first joint bearing (5).

3. The damping performance testing system of the rotary sway reduction device based on linear drive according to claim 2 is characterized in that: It also includes a connecting pin (9), one side of the movable connecting rod (7) is slidably connected to the free end of the connecting plate (2), one end of the movable connecting rod (7) is a U-shaped structure, and a connecting shaft (4) is inserted into the inside of the U-shaped opening, one end of the connecting pin (9) penetrates into the U-shaped opening and passes through the connecting shaft (4), the movable connecting rod (7) and is connected to the locking nut (8), and the connecting pin (9) is hinged to the connecting shaft (4) through a second joint bearing (10); the other end of the movable connecting rod (7) is a columnar structure, and the other end of the movable connecting rod (7) is fixedly connected to the moving part of the linear test equipment.

4. The damping performance testing system of the rotary sway reduction device based on linear drive according to claim 3 is characterized in that: It also includes a sliding support (6), the free end of the connecting plate (2) is provided with a sliding support (6), the sliding support (6) is provided with a sliding groove, the sliding support (6) and the connecting shaft (4) are inserted into the U-shaped opening at one end of the movable connecting rod (7), one end of the connecting pin (9) penetrates into the U-shaped opening and passes through the connecting shaft (4), the sliding groove, the movable connecting rod (7) in sequence and is connected to the locking nut (8), and the connecting pin (9) is slidably connected to the sliding groove.

5. A damping performance testing system for a rotary sway reduction device based on linear drive according to claim 3 or 4, characterized in that: One end of the connecting pin (9) is provided with a limited end, and the other end is provided with an external thread corresponding to the locking nut (8).

6. The damping performance testing system of the rotary sway reduction device based on linear drive according to claim 1 is characterized in that: The top of the mounting support (3) is provided with a fixing protrusion (12), and one side is provided with a side support (11); the side support (11) located at the other end of the mounting support (3) is fixedly connected to the fixing component of the rotary type sway reduction device; and the fixing protrusion (12) is fixedly connected to the fixing component of the linear test equipment.

7. A damping performance testing system for a rotary sway reduction device based on linear drive according to claim 6, characterized in that: One end of the mounting support (3) is fixedly mounted on the connecting plate (2) via a locking bolt (1).

Images