Linear actuator testboard
By designing a linear actuator test bench, using the combination of sliding mount and guide rail slider pair, the problem of insufficient durability and reliability of existing test devices is solved, and adaptation and real-time detection of different types of actuators is achieved. , improves the accuracy and stability of the test.
Patent Information
- Application Number
- CN202420173556.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-24
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2034-01-24
AI Technical Summary
The existing aerial linear actuator test devices lack durability and reliability, especially the design of the test installation platform is incomplete, and the use scenarios of hydraulic systems are limited.
A linear actuator test bench was designed, including a machine, a T-slot, a fixed mount, a guide rail slider pair, an encoder, a sensor and a control box. It is adapted to the sliding mount and a guide rail slider pair. Different models of linear actuators and real-time data acquisition and control using encoders and sensors.
A flexible adaptation and real-time detection of different models of linear actuators is achieved, which improves the durability and reliability of the test, avoids slipping out of the sliding mount, and provides accurate displacement and velocity data through the encoder and sensor.
Smart Images
Figure CN222224440U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of aviation, and in particular relates to actuator testing equipment. Background Art
[0002] Currently, there is a lack of testing equipment for aviation linear actuators. Most of the existing devices use electronic systems or hydraulic systems for testing, and their durability and reliability cannot be guaranteed.
[0003] Chinese patent CN201320492615.1 discloses a "Linear Actuator Test Device", which consists of an aluminum profile shell, a detachable front panel, and a detachable rear panel; the front panel is provided with a control switch and an indicator light, and the rear panel is provided with an aviation socket CZ1, which is provided with a special cable to connect the linear actuator test device signal with the product under test to complete the control and testing work. However, this technology does not provide a test installation platform.
[0004] Chinese patent CN201911305062.2 discloses "A linear actuator dynamic performance observation and detection system", including a linear actuator to be tested, characterized in that a ball receiving device is provided at the front end of the linear actuator to be tested, and a small ball random motion device is provided above the ball receiving device; the small ball random motion device includes a vertically placed plate, a height adjustment device is installed on the plate, and multiple rows of gear levers are arranged alternately on the plate, and a sensor for detecting the position of the small ball is also provided on the plate; the sensor is connected to a control and signal processing unit, and the control and signal processing unit is connected to the linear actuator to be tested, and the sensor sends the position information of the small ball to the control and signal processing unit, and the control and signal processing unit controls the linear actuator to be tested to push the ball receiving device to the position directly below the small ball. However, in this technology, a hydraulic system is used for detection, and the use scenario is limited. Utility Model Content
[0005] The utility model aims to provide a linear actuator test bench to solve the technical problem of linear actuator detection.
[0006] To achieve the above purpose, the specific technical solution of the utility model is as follows:
[0007] A linear actuator test bench, characterized in that it includes a machine platform, the machine platform is provided with a plurality of T-slots, the T-slots are provided with fixed mounting seats and guide rail slider pairs, the guide rail slider pairs are provided with sliding mounting seats, the sliding mounting seats are connected to an encoder through a pull wire, the encoder is connected to a control box, and the control box is arranged on the side of the machine platform through a mounting plate.
[0008] Furthermore, guide rail stop blocks are provided at both ends of the guide rail slider pair, and the guide rail stop blocks are arranged on the machine platform perpendicular to the guide rail slider pair to prevent the sliding mounting seat from sliding out.
[0009] Furthermore, the encoder is arranged on the side of the machine platform, and a sensor connecting plate is provided on the sliding mounting seat, and the sensor connecting plate extends to the side of the machine platform and is connected to the pull wire.
[0010] Furthermore, a pair of guide rail slider pairs are arranged in parallel on the machine platform, and the sliding mounting seat straddles the guide rail slider pairs. By adjusting the spacing between the guide rail slider pairs, different linear actuators can be adapted.
[0011] Furthermore, a wire draw encoder protection plate is provided on the machine platform, and the wire draw encoder protection plate is in the shape of a semi-open rectangular frame.
[0012] Furthermore, a roller is provided on the machine platform, and a locking plate is provided on the roller.
[0013] The technical solution of the utility model has the following advantages:
[0014] 1. It can be adapted to different types of linear actuators through different sliding mounts. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the structure of the utility model;
[0016] Figure 2 It is a schematic diagram of the top structure of the utility model. DETAILED DESCRIPTION
[0017] In order to better understand the purpose, structure and function of the utility model, the following is a further detailed description of a linear actuator test bench of the utility model in conjunction with the accompanying drawings.
[0018] like Figure 1 As shown, a linear actuator test bench of the utility model has a main body of a machine platform 1, a roller 2 is installed under the machine platform 1 through a frame, a locking plate 3 is provided on the roller 2, and the roller 2 is locked by stepping on it. The roller 2 with the locking plate 3 belongs to the prior art, and there are many solutions, which will not be elaborated here.
[0019] A plurality of T-slots are arranged in parallel on the machine 1. The fixed mounting seat 9 and the guide rail slider pair 6 are connected to the T-slots by screws. The guide rail slider pair 6 is provided with a sliding mounting seat 8. The two ends of the linear actuator are respectively fixed to the fixed mounting seat 9 and the sliding mounting seat 8. The sliding mounting seat 8 is connected to the encoder 12 through the pull wire 13. The encoder 12 is connected to the control box 5 and exchanges data. The control box 5 is arranged on the side of the machine 1 through the mounting plate 4. A displacement sensor is installed on the sliding mounting seat 8.
[0020] In the application process of the present invention, when the linear actuator to be tested performs reciprocating motion, the sliding mounting seat 8 moves on the guide rail slider pair 6. During the movement of the sliding mounting seat 8, the pull wire 13 is driven, which, on the one hand, causes the displacement sensor to generate a signal, and on the other hand, the encoder 12 generates a rotation signal, which is internally calculated to display the real-time displacement and speed, and the control box 5 outputs a voltage signal corresponding to the displacement and speed.
[0021] In the application process of the present invention, guide rail stop blocks 7 are provided at both ends of the guide rail slider pair 6. The guide rail stop blocks 7 are arranged on the machine platform 1 perpendicular to the guide rail slider pair 6 to prevent the sliding mounting seat 8 from sliding out.
[0022] In the application process of the present invention, the encoder 12 is arranged on the side of the machine 1, and the sliding mounting seat 8 is provided with a sensor connecting plate 10, which extends to the side of the machine 1 and is connected to the pull wire 13. The displacement sensor on the sliding mounting seat 8 is arranged on the sensor connecting plate 10.
[0023] In the application process of the technology of the present application, a pair of guide rail slider pairs 6 are provided in parallel on the machine platform 1, and the sliding mounting seat 8 straddles the guide rail slider pairs 6. By adjusting the spacing between the guide rail slider pairs 6, different linear actuators can be adapted.
[0024] In the application process of the present invention, a wire encoder protection plate 11 is provided on the machine 1, and the wire encoder protection plate 11 is a semi-open rectangular frame. The protection plate 11 frames the sensor on the sensor connecting plate 10 and the wire 13 for protection, avoiding external interference.
[0025] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.
Claims
1. A linear actuator test bench, characterized in that: The invention comprises a machine platform (1), wherein the machine platform (1) is provided with a plurality of T-shaped slots, wherein the T-shaped slots are provided with fixed mounting seats (9) and guide rail slider pairs (6), wherein a sliding mounting seat (8) is installed on the guide rail slider pairs (6), wherein the sliding mounting seat (8) is connected to an encoder (12) via a pull wire (13), wherein the encoder (12) is connected to a control box (5), and wherein the control box (5) is arranged on a side of the machine platform (1) via a mounting plate (4).
2. The linear actuator test bench according to claim 1, characterized in that: Guide rail stop blocks (7) are provided at both ends of the guide rail slider pair (6); the guide rail stop blocks (7) are arranged on the machine platform (1) perpendicular to the guide rail slider pair (6) to prevent the sliding mounting seat (8) from sliding out.
3. The linear actuator test bench according to claim 2, characterized in that: The encoder (12) is arranged on the side of the machine platform (1), and a sensor connecting plate (10) is provided on the sliding mounting seat (8). The sensor connecting plate (10) extends to the side of the machine platform (1) and is connected to the pull wire (13).
4. The linear actuator test bench according to claim 3, characterized in that: A pair of guide rail slider pairs (6) are arranged in parallel on the machine platform (1), and a sliding mounting seat (8) is straddled on the guide rail slider pairs (6). Different linear actuators can be adapted by adjusting the spacing between the guide rail slider pairs (6).
5. The linear actuator test bench according to claim 4, characterized in that: The machine platform (1) is provided with a wire encoder protection plate (11), and the wire encoder protection plate (11) is in the shape of a semi-open rectangular frame.
6. The linear actuator test bench according to claim 5, characterized in that: The machine platform (1) is provided with a roller (2), and the roller (2) is provided with a locking plate (3).