A high dynamic force measuring device and method for a gas actuator
By designing a high-dynamic force measuring device for gas actuators, the driving force is measured in real time and different force loads are simulated, solving the problem of inaccurate measurement in existing technologies and achieving the effect of high-dynamic force measurement and simulation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- CAIHONG DRONE TECH CO LTD
- Filing Date
- 2022-12-30
- Publication Date
- 2026-04-10
AI Technical Summary
Existing technologies for measuring the driving force of gas actuators neglect high dynamic characteristics and cannot simulate different force loads, resulting in inaccurate test results.
A high-dynamic force measurement device for a gas actuator was designed, including a gas cylinder, a force sensor, a spring mounting plate, and multiple spring connecting components. It simulates the working process of the gas actuator, measures the driving force in real time, and simulates different force loads.
It enables accurate measurement of the high dynamic driving force of gas actuators and simulation of different force loads, thus improving the accuracy of force measurement results.
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Figure CN116181519B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application belongs to the technical field of gas actuator force measurement, and more particularly relates to a high-dynamic force measuring device and method for a gas actuator. BACKGROUND
[0002] Missiles, unmanned aerial vehicles and other aircraft launched by canister launchers need to use folding wing devices to reduce the lateral size, and a gas actuator can be used to drive the folding wing unfolding device. In order to reasonably design the folding wing unfolding device, it is necessary to measure the driving force generated by the gas actuator during operation to provide a reference for test verification.
[0003] The driving force generated by the gas actuator during operation is a high-dynamic force that changes dramatically over time, so it is necessary to measure it in real time during operation. The gas actuator will bear different force loads when driving different folding wing unfolding mechanisms, including air resistance of the wing surface and mechanical transmission resistance, etc., and the force loads need to be simulated in the test.
[0004] The prior art for measuring the driving force of the gas actuator ignores the high-dynamic characteristics of the driving force of the gas actuator, and cannot simulate the different force loads on the gas actuator during force measurement, resulting in inaccurate test results. SUMMARY
[0005] The present application aims to solve the problem of the prior art that the measurement of the driving force of the gas actuator ignores the high-dynamic characteristics of the driving force of the gas actuator, and cannot simulate the different force loads on the gas actuator during force measurement, resulting in inaccurate test results.
[0006] To achieve the above-mentioned purpose, the present application provides a high-dynamic force measuring device for a gas actuator, which comprises:
[0007] A bottom plate, on which a gas cylinder, a first support and a second support are sequentially and spacedly arranged, and a piston rod with one end exposed is arranged in the gas cylinder;
[0008] A first shaft and a second shaft are respectively slidably arranged in the first support and the second support, and one end of the first shaft is connected with the piston rod;
[0009] A force sensor is arranged between the first shaft and the second shaft, one end of the force sensor is connected with the other end of the first shaft, and the other end of the force sensor is connected with one end of the second shaft;
[0010] A first spring mounting plate and a second spring mounting plate are connected with the first support and the other end of the second shaft respectively, and a plurality of spring connecting components are arranged on the first spring mounting plate and the second spring mounting plate respectively;
[0011] A plurality of springs are detachably connected with the spring connecting components.
[0012] Optionally, the gas cylinder is connected with an ignition device, the gas cylinder is used for filling fuel, and the ignition device is used for igniting the fuel.
[0013] Optionally, a transmitter is connected with the force sensor, the transmitter is connected with a data acquisition module, and the data acquisition module is connected with an upper computer.
[0014] Optionally, a first linear bearing and a second linear bearing are arranged in the first support and the second support respectively, and the first shaft and the second shaft are arranged in the first linear bearing and the second linear bearing respectively.
[0015] Optionally, the first shaft and the second shaft are threadedly connected with two ends of the force sensor respectively.
[0016] Optionally, the piston rod is detachably connected with the one end of the first shaft through a connecting component, one end of the connecting component is provided with a stud, the stud is connected with a threaded hole on the piston rod, the other end of the connecting component is provided with a connecting lug extending outward along an axis, the one end of the first shaft is provided with a connecting groove, the connecting lug is movably arranged in the connecting groove and is hinged through a bolt.
[0017] Optionally, the second spring mounting plate is provided with a mounting groove, a mounting hole is arranged in a groove bottom of the mounting groove, the other end of the second shaft is arranged in the mounting groove and is mounted on the second spring mounting plate through a mounting bolt and a gasket penetrating through the mounting hole.
[0018] Optionally, the middle parts of the first spring mounting plate and the second spring mounting plate are connected with the first support and the other end of the second shaft respectively, and a plurality of the spring connecting components are arranged on upper end faces of the first spring mounting plate and the second spring mounting plate.
[0019] Optionally, the spring connecting component is a screw, a plurality of screw holes are arranged on the upper end faces of the first spring mounting plate and the second spring mounting plate, the screw is detachably arranged in the screw hole, and hooks are arranged at two ends of the spring, the hooks can be hung on the screw.
[0020] The application further provides a high-dynamic force measuring method of a gas actuator, which utilizes the high-dynamic force measuring device of the gas actuator.
[0021] filling fuel in the gas cylinder;
[0022] a set number of springs are connected between the first spring mounting plate and the second spring mounting plate through spring connecting components;
[0023] igniting the fuel;
[0024] measuring force through a force sensor.
[0025] The present application provides a high dynamic force measuring device and method for a gas actuator, which has the beneficial effect that the device is provided with a gas cylinder, which can be filled with fuel to simulate the working process of the gas actuator, and a force sensor is used to measure the driving force generated after the fuel in the gas cylinder is ignited in real time, so that the force of the gas actuator with high dynamic characteristics can be measured well, and the device is provided with a first spring mounting plate and a second spring mounting plate with a plurality of spring connecting components, so that a set number of springs can be installed between the first spring mounting plate and the second spring mounting plate according to needs, different force loads received by the gas actuator during the force measurement process are simulated, and the accuracy of the force measurement result is improved.
[0026] Other features and advantages of the present application will be described in detail in the following specific embodiments. BRIEF DESCRIPTION OF DRAWINGS
[0027] The above and other objects, features and advantages of the present application will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings in which like reference characters refer to like parts throughout the figures, and wherein:
[0028] Figure 1 A structural schematic diagram of a high dynamic force measuring device for a gas actuator according to an embodiment of the present application is shown.
[0029] Figure 2 A connection structure schematic diagram of a first shaft and a first support of a high dynamic force measuring device for a gas actuator according to an embodiment of the present application is shown.
[0030] Figure 3 A connection structure schematic diagram of a second shaft and a second support of a high dynamic force measuring device for a gas actuator according to an embodiment of the present application is shown.
[0031] Figure 4 A partial enlarged structural schematic diagram of a high dynamic force measuring device for a gas actuator according to an embodiment of the present application is shown.
[0032] Figure 5 A flowchart of a high dynamic force measuring method for a gas actuator according to an embodiment of the present application is shown.
[0033] BRIEF DESCRIPTION OF DRAWINGS
[0034] 1, bottom plate; 2, gas cylinder; 3, first support; 4, second support; 5, piston rod; 6, first shaft; 7, second shaft; 8, force sensor; 9, first spring mounting plate; 10, second spring mounting plate; 11, spring connecting part; 12, spring; 13, bolt; 14, mounting bolt; 15, gasket. DETAILED DESCRIPTION
[0035] The preferred embodiments of the present application will be described in more detail below. Although the preferred embodiments of the present application are described below, it is understood that the present application can be practiced with various modifications and changes within the scope and spirit of the present application, which should not be interpreted in the limiting sense as set forth herein. Rather, these embodiments are provided so that this application will be thorough and complete, and will fully convey the scope of the application to those skilled in the art.
[0036] As shown in Figures 1 to 4 , the present application provides a high dynamic force measuring device for a gas actuator, which comprises:
[0037] a bottom plate 1, a gas cylinder 2, a first support 3 and a second support 4 are sequentially and spacedly arranged on the bottom plate 1, and a piston rod 5 with one end exposed is arranged in the gas cylinder 2;
[0038] a first shaft 6 and a second shaft 7 are respectively slidably arranged in the first support 3 and the second support 4, and one end of the first shaft 6 is connected with the piston rod 5;
[0039] a force sensor 8 is arranged between the first shaft 6 and the second shaft 7, one end of the force sensor 8 is connected with the other end of the first shaft 6, and the other end of the force sensor 8 is connected with one end of the second shaft 7;
[0040] a first spring mounting plate 9 and a second spring mounting plate 10 are respectively connected with the other end of the first support 3 and the second shaft 7, and a plurality of spring connecting parts 11 are respectively arranged on the first spring mounting plate 9 and the second spring mounting plate 10;
[0041] a plurality of springs 12 are detachably connected with the spring connecting parts 11.
[0042] Specifically, in order to solve the problem that the high dynamic characteristics of the driving force of the gas actuator are ignored in the prior art, and the different force loads on the gas actuator during the force measurement cannot be simulated, resulting in inaccurate test results, the gas actuator high dynamic force measuring device provided by the present application is provided with a gas cylinder 2 which can be filled with fuel to simulate the working process of the gas actuator, and the driving force generated after the fuel in the gas cylinder 2 is ignited is measured in real time by using a force sensor 8, so that the force measurement of the gas actuator with high dynamic characteristics can be well performed, and the gas actuator high dynamic force measuring device has a first spring mounting plate 9 and a second spring mounting plate 10 which are provided with a plurality of spring connecting parts 11, and a certain number of springs 12 can be installed between the first spring mounting plate 9 and the second spring mounting plate 10 as needed, so as to simulate the different force loads on the gas actuator during the force measurement, and make the force measurement process closer to the actual working process.
[0043] Optionally, the gas cylinder is connected with an ignition device, and the gas cylinder 2 is used to fill fuel, and the ignition device is used to ignite the fuel.
[0044] Specifically, the fuel and the ignition device can be selected to be the fuel that the gas actuator should be filled with and the ignition device that should be used to achieve the simulation effect.
[0045] Optionally, a transmitter is connected to the force sensor 8, the transmitter is connected with a data acquisition module, and the data acquisition module is connected with an upper computer.
[0046] Specifically, the force measurement signals monitored by the force sensor 8 are transmitted to the transmitter, the data acquisition module and the upper computer in sequence, and the data of the test force changing with time is recorded by the upper computer.
[0047] Optionally, the first support 3 and the second support 4 are respectively provided with a first linear bearing and a second linear bearing, and the first shaft 6 and the second shaft 7 are respectively arranged in the first linear bearing and the second linear bearing.
[0048] Specifically, the first shaft 6 and the second shaft 7 are respectively connected with the first support 3 and the second support 4 through the first linear bearing and the second linear bearing, so as to reduce the loss of force and improve the force measurement accuracy; in the embodiment, the first support 3 and the second support 4 are both bearing seats.
[0049] Optionally, the first shaft 6 and the second shaft 7 are respectively threadedly connected with two ends of the force sensor 8.
[0050] Specifically, the first shaft 6 and the second shaft 7 are connected with two input ends of the force sensor 8 through the threaded parts at the respective ends thereof.
[0051] Optionally, the piston rod 5 is detachably connected with one end of the first shaft 6 through a connecting component, one end of the connecting component is provided with a stud which is connected with a threaded hole on the piston rod 5, and the other end of the connecting component is provided with a connecting lug which extends outward along the axis and is movably arranged in a connecting groove of the first shaft 6 and is hinged through a pin 13.
[0052] Specifically, through holes are arranged on both sides of the connecting groove, and a connecting hole is arranged on the connecting lug, and the pin 13 passes through the through holes and the connecting hole to realize the hinging of the connecting component and the first shaft 6, thereby facilitating installation.
[0053] Optionally, the second spring mounting plate 10 is provided with a mounting groove, and the groove bottom of the mounting groove is provided with a mounting hole, and the other end of the second shaft 7 is arranged in the mounting groove and is mounted on the second spring mounting plate 10 through a mounting bolt 14 and a gasket 15 which pass through the mounting hole.
[0054] Specifically, after the other end of the second shaft 7 is inserted into the mounting groove, the mounting bolt 14 is screwed into the threaded hole on the other end of the second shaft 7 and the gasket 15 is pressed, thereby realizing the connection between the second shaft 7 and the second spring mounting plate 10.
[0055] In this embodiment, the gasket 15 is arranged between the mounting bolt 14 and the second spring mounting plate 10.
[0056] Optionally, the middle parts of the first spring mounting plate 9 and the second spring mounting plate 10 are connected with the first support 3 and the other end of the second shaft 7 respectively, and a plurality of spring connecting components 11 are arranged on the upper end faces of the first spring mounting plate 9 and the second spring 12.
[0057] Specifically, the first spring mounting plate 9 and the second spring mounting plate 10 are arranged perpendicularly to the axes of the first shaft 6 and the second shaft 7, and the axes of the first shaft 6 and the second shaft 7 are located in the middle parts of the first spring mounting plate 9 and the second spring mounting plate 10, and a plurality of spring connecting components 11 are arranged on both sides of the axes of the first shaft 6 and the second shaft 7, and are used for hanging the springs 12.
[0058] Optionally, the spring connecting component 11 is a screw, a plurality of screw holes are arranged on the upper end faces of the first spring mounting plate 9 and the second spring mounting plate 10, and the screw is detachably arranged in the screw hole, and the two ends of the spring 12 are provided with hooks which can be hung on the screw.
[0059] Specifically, the screw is partially screwed into the screw hole and the other part is exposed, and the spring 12 can be hung on the exposed part of the screw through the hooks.
[0060] As shown in the figure, the application also provides a high dynamic force measuring method of the gas actuator, which utilizes the high dynamic force measuring device of the gas actuator, and the method comprises the following steps: Figure 5
[0061] Filling fuel in the gas cylinder 2;
[0062] A certain number of springs 12 are connected between the first spring mounting plate 9 and the second spring mounting plate 10 through the spring connecting component 11;
[0063] Igniting the fuel;
[0064] Force measurement is performed through the force sensor 8.
[0065] Specifically, the high dynamic force measurement method of the gas actuator provided by the present application utilizes the high dynamic force measurement device of the gas actuator as described above, and the force measurement steps are as follows:
[0066] 1. Filling the fuel, i.e. the pyrotechnics, in the gas cylinder 2, installing the ignition device, and resetting the piston rod 5 to the inside of the gas cylinder 2;
[0067] 2. According to the force measurement requirement, a certain number of springs 12 are hung between the first spring mounting plate 9 and the second spring mounting plate 10 to simulate the force load;
[0068] 3. Connecting the measurement system, sequentially connecting the force sensor 8, the transmitter, the data acquisition card, i.e. the data acquisition module, and the host computer; starting the measurement system by power on, and starting to record data;
[0069] 4. Starting the ignition device, and the gas cylinder 2 simulates the gas actuator to start working, the force sensor 8 measures the high dynamic force generated by the gas actuator in real time, the measurement signal is sequentially transmitted to the transmitter, the data acquisition card, and the host computer, and the host computer records the data of the test force changing with time;
[0070] 5. The force measurement work is completed, the host computer records the complete data, and subsequent analysis is performed by the test personnel.
[0071] The above has described the embodiments of the present application, the above description is exemplary, is not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those skilled in the art without departing from the scope and spirit of the described embodiments.
Claims
1. A high dynamic force measuring device for a gas actuator, characterized in that The device comprises: a bottom plate, a gas cylinder, a first support and a second support are sequentially and spacedly arranged on the bottom plate, a piston rod exposed at one end is arranged in the gas cylinder; a first shaft and a second shaft are slidably arranged in the first support and the second support respectively, one end of the first shaft is connected with the piston rod; a force sensor is arranged between the first shaft and the second shaft, one end of the force sensor is connected with the other end of the first shaft, and the other end of the force sensor is connected with one end of the second shaft; a first spring mounting plate and a second spring mounting plate are connected with the other end of the first support and the second shaft respectively, a plurality of spring connecting components are arranged on the first spring mounting plate and the second spring mounting plate respectively; a plurality of springs are detachably connected with the spring connecting components.
2. The high dynamic force measuring device for gas actuators according to claim 1, characterized in that The gas cylinder is connected with an ignition device, the gas cylinder is used to fill fuel, and the ignition device is used to ignite the fuel.
3. The high dynamic force measuring device for gas actuators according to claim 1, characterized in that A transmitter is connected to the force sensor, the transmitter is connected with a data acquisition module, and the data acquisition module is connected with an upper computer.
4. The high dynamic force measuring device for gas actuators according to claim 1, characterized in that First and second linear bearings are arranged in the first support and the second support respectively, and the first and second shafts are arranged in the first and second linear bearings respectively.
5. The high dynamic force measuring device for gas actuators according to claim 1, characterized in that The first and second shafts are threadedly connected with both ends of the force sensor.
6. The high dynamic force measuring device for gas actuators according to claim 1, characterized in that The piston rod is detachably connected with the one end of the first shaft through a connecting component, one end of the connecting component is provided with a stud, the stud is connected with a threaded hole on the piston rod, the other end of the connecting component is provided with a connecting lug extending outward along an axis, the one end of the first shaft is provided with a connecting groove, and the connecting lug is movably arranged in the connecting groove and is hinged through a latch.
7. The high dynamic force measuring device for gas actuators according to claim 1, characterized in that An installation groove is arranged on the second spring mounting plate, an installation hole is arranged at the bottom of the installation groove, and the other end of the second shaft is arranged in the installation groove and is installed on the second spring mounting plate through an installation bolt and a gasket penetrating through the installation hole.
8. The high dynamic force measuring device for gas actuators according to claim 1, characterized in that The middle parts of the first and second spring mounting plates are connected with the other ends of the first support and the second shaft respectively, and a plurality of spring connecting components are spacedly arranged on the upper end faces of the first and second spring mounting plates.
9. The high dynamic force measuring device for gas actuators according to claim 1, characterized in that The spring connecting components are screws, a plurality of screw holes are arranged on the upper end faces of the first and second spring mounting plates, the screws are detachably arranged in the screw holes, hooks are arranged at both ends of the springs, and the hooks can be hung on the screws.
10. A method for high dynamic force measurement of a gas actuator, using a device for high dynamic force measurement of a gas actuator according to any one of claims 1 to 9, characterized in that The method comprises: filling fuel in the gas cylinder; connecting a set number of springs between the first and second spring mounting plates through spring connecting components; igniting the fuel; measuring force through the force sensor.
Citation Information
Patent Citations
High-dynamic force measuring device for gas actuator
CN219262532U