Space locking mechanism performance test system

Abstract

The invention provides a space locking mechanism performance test system, which is characterized by comprising a cabinet, a display module, a controller module, a driver module, an active lock test module and a passive lock test module, the display module sends out an instruction according to the test process and displays main performance parameters of the tested locking mechanism in real time; the controller module receives an instruction sent by the display module, and the driver module directly drives the active lock test module and the passive lock test module to move after signal processing; the active lock test module is used for measuring performance parameters of an active lock of the tested locking mechanism; and the passive lock test module is used for measuring performance parameters of the passive lock of the tested locking mechanism. According to the invention, the requirement of simultaneous testing of the active lock and the passive lock can be met, the key performance parameters of the tested locking mechanism are displayed in real time, the testing process is optimized, the installation operation is simple and rapid, the equipment maintenance is simpler and more convenient, and the testing efficiency of batch products can be improved.

Description

Technical Field

[0001] The present invention relates to a space locking mechanism, and particularly to a performance testing system for a space locking mechanism. Background Art

[0002] For the docking between a spacecraft and a near-earth space station, the transfer of samples in the lunar orbit, etc., a locking mechanism is required to complete the locking function of two aircraft. The locking mechanism is usually divided into an active end and a passive end, which are respectively installed on two aircraft to be docked. The locking mechanism must be subjected to ground performance tests to ensure that it meets the in-orbit functional requirements.

[0003] Currently, existing performance testing equipment for locking mechanisms has problems such as relatively single functions, relatively complex testing processes, lagging data interpretation, and long calibration and maintenance cycles. Summary of the Invention

[0004] To solve the above problems and aiming at the disadvantages of current locking mechanism testing equipment, the present invention provides a performance testing system for a space locking mechanism, which is characterized by including a cabinet, a display module, a controller module, a driver module, an active lock testing module, and a passive lock testing module;

[0005] The display module issues instructions according to the test process and real-time displays the main performance parameters of the locking mechanism to be tested; the controller module receives the instructions issued by the display module, and after signal processing, directly drives the active lock testing module and the passive lock testing module to move by the driver module; the active lock testing module is used to measure the performance parameters of the active lock of the locking mechanism to be tested; the passive lock testing module is used to measure the performance parameters of the passive lock of the locking mechanism to be tested.

[0006] Each module of the testing system is installed in the cabinet. The display module is connected to the controller module, the controller module is connected to the driver module, and the driver module is connected to the active lock testing module and the passive lock testing module to realize functions of equipment power supply, instruction parsing and execution, and complete the motion control and performance parameter acquisition of the active lock testing module and the passive lock testing module.

[0007] Further, the instructions include start test, test abort, and end test.

[0008] Further, the performance parameters of the active lock of the locking mechanism to be tested include locking torque, locking force, rotational speed, current, voltage, measured value of transmission efficiency, and curve; the performance parameters of the passive lock of the locking mechanism to be tested include the torque and locking force required when the passive lock operates.

[0009] Furthermore, the active lock test module includes a driving component I, a rotational speed and torque measurement component I, a pressure sensor I, and a process passive lock. An interface for installing the active lock of the lock mechanism under test is also provided on the active lock test module for installing the active lock of the lock mechanism under test. The output end of the driving component I is directly connected to the rotational speed and torque measurement component I and drives the active lock of the lock mechanism under test to move. The active lock completes the locking with the process passive lock and presses the pressure sensor I.

[0010] Furthermore, during the test, the driving component I provides the driving torque, and the rotational speed and torque measurement component I measures the torque of the transmission shaft rotation and the rotational speed at this time in real time.

[0011] Furthermore, the pressure sensor I is installed between the process passive lock and the active lock of the lock mechanism under test to monitor the locking force value in real time.

[0012] Furthermore, the process passive lock matches the active lock of the lock mechanism under test, and the locking state in space is the same as that of the main and passive locks, reflecting the actual working performance of the product.

[0013] Furthermore, the passive lock test module includes a driving component II, a rotational speed and torque measurement component II, a pressure sensor II, and a process active lock. An interface for installing the passive lock of the lock mechanism under test is provided on the passive lock test module for installing the passive lock of the lock mechanism under test;

[0014] The output end of the driving component II is directly connected to the rotational speed and torque measurement component II and drives the active lock of the lock mechanism under test to move. The active lock of the lock mechanism under test completes the locking with the process passive lock and presses the pressure sensor II; the pressure sensor II is installed between the process active lock and the passive lock of the lock mechanism under test to monitor the locking force value in real time.

[0015] Furthermore, during the test, the driving component II provides the driving torque, and the rotational speed and torque measurement component II measures the torque of the transmission shaft rotation and the rotational speed at this time in real time.

[0016] Furthermore, the process active lock matches the passive lock of the lock mechanism under test, and the locking state in space is the same as that of the main and passive locks, reflecting the actual working performance of the product.

[0017] Compared with the prior art, the beneficial effects achieved by the present invention are as follows:

[0018] The performance test system for the space locking mechanism provided by the present invention can meet the requirements of simultaneous testing of the active lock and the passive lock, can display the key performance parameters of the lock mechanism under test in real time, optimizes the product test process, the installation operation of the lock mechanism under test is simple and fast, and the equipment maintenance is more convenient, which can improve the test efficiency of batch products. Description of the Drawings

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0020] Figure 1 Isometric view of a performance test system for a spatial locking mechanism provided by the present invention;

[0021] Figure 2 Top view of a performance test system for a spatial locking mechanism provided by the present invention;

[0022] Figure 3 Schematic diagram of the active lock test module provided by the present invention;

[0023] Figure 4 Schematic diagram of the passive lock test module provided by the present invention;

[0024] Figure 5 Display page during the active lock test provided by the present invention;

[0025] Figure 6 Display page during the passive lock test provided by the present invention;

[0026] Figure 7 Schematic diagram of the information flow of the performance test system for the spatial locking mechanism provided by the present invention.

[0027] Explanation of reference numerals:

[0028] 1, cabinet; 2, test system display module; 3, controller module; 4, driver module; 5, active lock test module; 6, passive lock test module; 7, drive assembly I; 8, rotational speed and torque measurement assembly I; 9, active lock; 10, pressure sensor I; 11, process passive lock; 12, drive assembly II; 13, rotational speed and torque measurement assembly II; 14, pressure sensor II; 15, passive lock; 16, process active lock. Detailed implementation manners

[0029] The following further describes the present invention in conjunction with the drawings and specific embodiments. It should be noted that the drawings are all in a very simplified form and use non-precise ratios, only for the purpose of conveniently and clearly assisting in explaining the purpose of the embodiments of the present invention.

[0030] The performance test system for the spatial locking mechanism of the present invention is a device that can measure the key performance indicators of the active end and the passive end of the locking mechanism in real time, and is applicable to the ground performance test and in-orbit performance prediction of the spatial locking mechanism.

[0031] A performance testing system for a spatial locking mechanism of the present invention can measure in real time and synchronously display the measured locking torque, locking force, rotational speed, current, voltage, actual measured values and curves of transmission efficiency of the active end of the locking mechanism to be tested, and the torque and locking force when the passive end of the locking mechanism to be tested moves.

[0032] As Figure 1 , Figure 2 shown, a performance testing system for a spatial locking mechanism of the present invention includes a cabinet 1, a display module 2, a controller module 3, a driver module 4, an active lock testing module 5, and a passive lock testing module 6. The display module 2 issues instructions according to the test process and is also used to display in real time the main performance parameters of the locking mechanism to be tested; the controller module 3 receives the instructions issued by the display module 2, and after signal processing, directly drives the active lock testing module 5 and the passive lock testing module 6 by the driver module 4; the active lock testing module 5 is used to measure the performance parameters of the active lock 9 of the locking mechanism to be tested; the passive lock testing module 6 is used to measure the performance parameters of the passive lock 15 of the locking mechanism to be tested.

[0033] As Figure 2 shown, each module of the testing system is installed in the cabinet 1. The display module 2 is connected to the controller module 3, the controller module 3 is connected to the driver module 4, and the driver module 4 is connected to the active lock testing module 5 and the passive lock testing module 6. The connections between all modules are made by power supply and communication cables to realize functions of equipment power supply, instruction parsing and execution, and complete the motion control and performance parameter acquisition of the active lock testing module and the passive lock testing module.

[0034] The instructions include start testing, test abort, and end testing.

[0035] The performance parameters of the active lock 9 of the locking mechanism to be tested include the measured locking torque, locking force, rotational speed, current, voltage, actual measured values and curves of transmission efficiency, calculate the input and output power and transmission efficiency, clearly display and save the test results in the form of curves. The display page during the test of the active lock 9 is as Figure 5 shown.

[0036] The performance parameters of the passive lock 15 of the locking mechanism to be tested include the torque and locking force required when the passive lock 15 moves. The locking force, as an important parameter for measuring the product performance, is displayed separately and a warning is given when it exceeds the set range. The locking force range in this embodiment is 26 - 32 kN, meeting the locking requirements of the space station. The display page during the test of the passive lock is as Figure 6 shown;

[0037] As Figure 3As shown, the active lock test module 5 includes a driving component I 7, a rotational speed and torque measurement component I 8, a pressure sensor I 10, and a process passive lock 11. An interface for installing the active lock of the lock mechanism to be tested is also provided on the active lock test module 5 for installing the active lock 9 of the lock mechanism to be tested, which is convenient for both installation and disassembly.

[0038] The output end of the driving component I 7 is directly connected to the rotational speed and torque measurement component I, and drives the active lock 9 of the lock mechanism to be tested to move. At this time, the active lock 9 completes the locking with the process passive lock 11 and presses the pressure sensor I 10; during the test, the driving component I 7 provides the driving torque, and the rotational speed and torque measurement component I 8 measures the torque of the drive shaft rotation and the rotational speed at this time in real time; the pressure sensor I 10 is installed between the process passive lock 11 and the active lock 9 of the lock mechanism to be tested, and monitors the locking force value in real time; the process passive lock 11 matches the active lock of the lock mechanism to be tested, and is in the same actual locking state in space as the main and passive locks, and can reflect the actual working performance of the product.

[0039] As Figure 4 shown, the passive lock test module 6 includes a driving component II 12, a rotational speed and torque measurement component II 13, a pressure sensor II 14, and a process active lock 16; an interface for installing the passive lock of the lock mechanism to be tested is provided on the passive lock test module 6 for installing the passive lock 15 of the lock mechanism to be tested, which is convenient for both installation and disassembly.

[0040] The output end of the driving component II 12 is directly connected to the rotational speed and torque measurement component II 13, and drives the active lock 9 of the lock mechanism to be tested to move. At this time, the active lock 9 of the lock mechanism to be tested completes the locking with the process passive lock 16 and presses the pressure sensor II 12.

[0041] During the test, the driving component II 12 provides the driving torque, and the rotational speed and torque measurement component II 13 measures the torque of the drive shaft rotation and the rotational speed at this time in real time; the pressure sensor II 14 is installed between the process active lock 16 and the passive lock 15 of the lock mechanism to be tested, and monitors the locking force value in real time; the process active lock 16 matches the passive lock 15 of the lock mechanism to be tested, and is in the same actual locking state in space as the main and passive locks, and can reflect the actual working performance of the product.

[0042] As Figure 7 shown, the controller module 3, the driver module 4, the active lock test module 5, and the passive lock test module 6 perform instruction and information interaction. Figure 7 This is the information flow diagram of the performance test system for the space locking mechanism provided by the present invention, clearly showing the information interaction of each main module of the performance test system for the space locking mechanism, and is embedded in the test system.

[0043] Although the present invention has been disclosed above with the preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make possible changes and modifications to the technical solution of the present invention by using the methods and technical contents disclosed above without departing from the spirit and scope of the present invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention without departing from the technical solution of the present invention shall fall within the protection scope of the technical solution of the present invention. The content not described in detail in the specification of the present invention belongs to the well-known technology of those skilled in the art.

Claims

1. A spatial locking mechanism performance testing system, characterized in that: It includes a cabinet, a display module, a controller module, a driver module, an active lock test module, and a passive lock test module; The display module issues instructions according to the test process and displays the main performance parameters of the tested locking mechanism in real time; the controller module receives the instructions issued by the display module, and the driver module directly drives the active lock test module and the passive lock test module to move after signal processing; the active lock test module is used to measure the performance parameters of the active lock of the tested locking mechanism; the passive lock test module is used to measure the performance parameters of the passive lock of the tested locking mechanism, Each module of the test system is installed in a cabinet, the display module is connected to the controller module, the controller module is connected to the driver module, and the driver module is connected to the active lock test module and the passive lock test module to realize equipment power supply, instruction parsing and execution functions, and complete motion control and performance parameter collection of the active lock test module and the passive lock test module.

2. The spatial locking mechanism performance testing system according to claim 1, characterized in that: The instructions include starting a test, terminating a test, and ending a test.

3. The spatial locking mechanism performance testing system according to claim 1, characterized in that: The performance parameters of the active lock of the tested locking mechanism include locking torque, locking force, rotation speed, current, voltage, measured value and curve of transmission efficiency; the performance parameters of the passive lock of the tested locking mechanism include the torque and locking force required for passive locking action.

4. The spatial locking mechanism performance testing system according to claim 1, characterized in that: The active lock test module includes a drive component I, a speed and torque measuring component I, a pressure sensor I, and a process passive lock. The active lock test module is also provided with an interface for installing the active lock of the locking mechanism to be tested, which is used to install the active lock of the locking mechanism to be tested. The output end of the drive component I is directly connected to the speed and torque measuring component I, and drives the active lock of the locking mechanism to be tested to move. The active lock completes the locking with the process passive lock and presses the pressure sensor I.

5. The spatial locking mechanism performance testing system according to claim 5, characterized in that: During the test, the driving component I provides the driving torque, and the speed torque measurement component I measures the torque of the transmission shaft and the speed at that time in real time.

6. The spatial locking mechanism performance testing system according to claim 5, characterized in that: The pressure sensor I is installed between the process passive lock and the active lock of the locking mechanism to be tested to monitor the locking force value in real time.

7. The spatial locking mechanism performance testing system according to claim 5, characterized in that: The process passive lock matches the active lock of the tested locking mechanism, and is consistent with the active and passive locks in the spatial locking state, reflecting the actual working performance of the product.

8. The spatial locking mechanism performance testing system according to claim 1, characterized in that: The passive lock test module includes a drive component II, a speed torque measurement component II, a pressure sensor II, and a process active lock. The passive lock test module is provided with an interface for installing a passive lock of the locking mechanism to be tested, and is used to install the passive lock of the locking mechanism to be tested; The output end of the driving component II is directly connected to the speed torque measuring component II, and drives the active locking movement of the locking mechanism under test. The active lock of the locking mechanism under test completes the locking with the process passive lock and presses the pressure sensor II; the pressure sensor II is installed between the process active lock and the passive lock of the locking mechanism under test to monitor the locking force value in real time.

9. The spatial locking mechanism performance testing system according to claim 8, characterized in that: During the test, the driving component II provides the driving torque, and the speed torque measurement component II measures the torque of the transmission shaft and the speed at that time in real time.

10. The spatial locking mechanism performance testing system according to claim 8, characterized in that: The process active lock matches the passive lock of the tested locking mechanism, and is consistent with the active and passive locks in the spatial locking state, reflecting the actual working performance of the product.

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