WO2024061146A1 - 测量装置 - Google Patents
测量装置 Download PDFInfo
- Publication number
- WO2024061146A1 WO2024061146A1 PCT/CN2023/119320 CN2023119320W WO2024061146A1 WO 2024061146 A1 WO2024061146 A1 WO 2024061146A1 CN 2023119320 W CN2023119320 W CN 2023119320W WO 2024061146 A1 WO2024061146 A1 WO 2024061146A1
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- WO
- WIPO (PCT)
- Prior art keywords
- transmission shaft
- sensor
- support
- measuring device
- transmission
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 120
- 238000012360 testing method Methods 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 230000005489 elastic deformation Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F5/00—Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided for; Handling, transporting, testing or inspecting aircraft components, not otherwise provided for
- B64F5/60—Testing or inspecting aircraft components or systems
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
Definitions
- the present application relates to the field of testing technology, and in particular to a measuring device.
- the purpose of this application is to provide a measuring device that can accurately measure the push-pull force and torque of the propeller motor.
- the present application provides a measuring device for testing the component to be tested.
- the component to be tested includes a motor and a propeller.
- the propeller is connected to the output end of the motor.
- the measuring device includes : Base plate; transmission mechanism, including a transmission shaft and a support base, the transmission shaft is connected to the motor and the support base, the support base is used to support the transmission shaft, and the support base is slidingly connected to the base plate;
- a first sensor is provided on the bottom plate, and the transmission mechanism can move along the axis of the transmission shaft and abut against the first sensor, so that the first sensor measures the tensile force of the component to be measured or Thrust;
- a second sensor one end is coaxially connected to the transmission shaft, and the other end is connected to the support base.
- the transmission shaft can drive the second sensor to rotate, so that the second sensor measures the to-be-measured component torque.
- a linear guide rail is provided on the bottom plate
- a transmission plate is provided on the linear guide rail
- the support seat is provided on the transmission plate
- the transmission plate is slidably connected to the bottom plate through the linear guide rail.
- the transmission plate is provided with a force transmission block, the force transmission block is in contact with the first sensor, and is used to pull or push the first sensor, so that the first sensor measures the to-be-measured The pulling or pushing force of a component.
- the support base includes a first support base and a second support base
- the transmission shaft passes through the first support base and rotates with the first support base
- the second support base is connected to the first support base.
- the second sensor is located at one end away from the transmission shaft.
- first support seats there are multiple first support seats, and the plurality of first support seats are used to support the transmission shaft.
- the first support seats are provided as a pair, and a transmission shaft link portion is sandwiched between the pair of first support seats.
- the transmission shaft link portion is fixedly connected to the transmission shaft and can be adjusted accordingly.
- the drive shaft rotates.
- a gasket is provided between the transmission shaft link portion and each first support seat.
- a coupling is provided at one end of the transmission shaft close to the second sensor.
- the transmission shaft is provided with a linear bearing.
- a motor support assembly is provided on the side where the transmission shaft is connected to the motor, and the motor support assembly is used to fix the motor.
- the motor drives the propeller to rotate.
- the motor and the propeller will produce pulling force or thrust force on the transmission shaft.
- the transmission shaft can move along its own axis direction, thereby contacting the first pressure.
- the first pressure sensor can measure the magnitude of the pulling force or thrust; the component to be tested can generate torque to drive the transmission shaft to rotate, and the transmission shaft drives the second sensor to measure the torque.
- the first pressure sensor and the second pressure sensor do not affect each other, thereby improving the measurement accuracy.
- Figure 1 shows a schematic structural diagram of a measuring device according to an embodiment of the present application
- Figure 2 shows a bottom view of the measuring device according to the embodiment of the present application
- Figure 3 shows a side view of the measuring device according to the embodiment of the present application.
- Figure 4 shows an enlarged partial view of A in Figure 3 .
- first, second, etc. are used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another element. For example, the first interface and the second interface are described. Furthermore, as used herein, the singular forms “a”, “an” and “the” are intended to include the plural forms as well, unless the context indicates otherwise. It should be further understood that the terms “comprising” and “including” indicate the presence of stated features, steps, operations, elements, components, items, categories, and/or groups, but do not exclude one or more other features, steps, operations, The presence, occurrence, or addition of elements, components, items, categories, and/or groups.
- Relative spatial terms such as “lower” and “upper” may be used to more easily explain the relationship of one device to another device illustrated in the drawings. Such terms are meant not only in the sense indicated in the drawings but also in other senses or operations of the device in use. For example, if the device in the figures is turned over, one element described as “below” another element would then be oriented “above” the other element. Therefore, the exemplary term “lower” is intended to include both upper and lower. The device can be rotated 90° or other angles, and terms referring to relative spaces are interpreted accordingly.
- the measuring device includes a motor and a propeller, the propeller is connected to the output end of the motor, and the motor can drive the propeller to rotate.
- the measuring device includes a base plate 1, a transmission mechanism 2, a first sensor 3 and a second sensor 4.
- the transmission mechanism 2 includes a transmission shaft 21 and a support seat 22.
- the transmission shaft 21 is connected to the motor (not shown in the figure) and the support seat 22.
- the support seat 22 is slidably connected to the base plate 1.
- the support seat 22 is used to support the transmission shaft 21.
- the first sensor 3 is arranged on the base plate 1.
- the transmission mechanism 2 can move along the axial direction of the transmission shaft 21 and abut against the first sensor 3, so that the first sensor 3 measures the tension or thrust of the component to be measured; one end of the second sensor 4 is coaxially connected to the transmission shaft 21, and the other end is connected to the support seat 22.
- the transmission shaft 21 can drive the second sensor 4 to rotate, so that the second sensor 4 measures the tension or thrust of the component to be measured.
- the motor of the component under test drives the propeller to rotate, and the motor is connected to the transmission shaft 21.
- the rotation of the propeller will produce a pulling force or a thrust force on the transmission shaft 21.
- the transmission shaft 21 can move along its own axis.
- the magnitude of the pulling force or pushing force is measured through the first sensor 3 .
- the support base 22 includes a first support base 221 and a second support base 222. More specifically, there may be multiple first support bases 221, and the multiple first support bases 221 are all used to support the transmission shaft. 21. Prevent the transmission shaft 21 from interfering with other components and affecting the measurement results.
- two first support seats 221 are provided.
- Both the first support base 221 and the second support base 222 are detachably connected to the transmission plate 23 at the bottom thereof.
- the base plate 1 is provided with a linear guide rail 10, and the transmission plate 23 is provided on the linear guide rail 10.
- the transmission plate 23 is slidably connected to the base plate 1 through the linear guide rail 10.
- the transmission shaft 21 is provided with a transmission shaft chain ring part 24.
- the transmission shaft chain ring part 24 is fixedly connected to the transmission shaft 21 and can rotate following the transmission shaft 21.
- the transmission shaft chain ring part 24 is clamped on the two first support seats 221 Between them, the two first supporting seats 221 clamp the transmission shaft chain ring portion 24 and move together in the axial direction of the transmission shaft 21 , so that the transmission shaft 21 can drive the transmission shaft chain ring portion 24 and the third wheels on both sides of the transmission shaft chain ring portion 24 .
- a support seat 221 and the transmission plate 23 move along the axis of the transmission shaft 21 on the linear guide 10.
- a force transmission block 25 is provided at the bottom of the transmission plate 23, and the force transmission block 25 is in contact with the first
- the sensor 3 and the force transmission block 25 are bolted to the first sensor 3, so that when the transmission mechanism 2 moves along the axis of the transmission shaft 21, it brings the power transmission block 25 to pull or push the first sensor 3, thereby measuring the component to be tested. Pull or push.
- the transmission shaft 21 is provided with a linear bearing 26, which can be used to reduce friction in axial and radial movements.
- the first sensor 3 can abut against the fixing block 30 , which can stabilize the first sensor 3 .
- a motor support assembly 5 can be disposed between the transmission shaft 21 and the motor.
- the motor support assembly 5 includes a fixed base 51, a fixed plate 52 and a support column 53.
- the fixed base 51 is connected to one end of the transmission shaft 21, and the fixed plate 52 can be customized according to the diameter of the test motor, and the support column 53 is used to support the motor.
- the transmission shaft 21 is connected to the motor through the motor support assembly 5, which can ensure the connection strength and stability of the large-sized motor and the transmission shaft 21.
- the transmission shaft 21 passes through the two first support seats 221 and rotates with the first support seats 221.
- a gasket is provided between the transmission shaft chain ring portion 24 on the transmission shaft 21 and each first support seat 221. , the friction between the transmission shaft chain ring portion 24 and each first support seat 221 can be reduced when the transmission shaft chain ring portion 24 follows the rotation of the transmission shaft 21 .
- One end of the second sensor 4 and the transmission shaft 21 Coaxially connected, the other end is fixedly connected to the second support base 222.
- the second support base 222 is used to support the second sensor 4 and the transmission shaft 21 .
- a coupling 27 is provided at one end of the transmission shaft 21 close to the second sensor 4.
- the coupling 27 can be used to adjust the concentricity of the transmission shaft 21 and the second sensor 4, and also serves as a safety device to prevent The transmission shaft 21 bears excessive load and damages the measuring device, thus serving as overload protection.
- the first sensor 3 and the second sensor 4 do not affect each other, realizing dynamic tension measurement and improving measurement accuracy.
- the measuring device can also be installed on vehicles such as cars.
- the car is used to drive the measuring device to move.
- the vehicle speed can be changed according to test requirements to simulate the feedback data of the component under test under different flow speeds.
- the first sensor is a tension sensor.
- the tension sensor undergoes elastic deformation under the action of external force, causing the resistance strain gauge (conversion element) attached to its surface to also deform. After the resistance strain gauge deforms, its resistance The value will change (increase or decrease), and then this resistance change is converted into an electrical signal (voltage or current) through the corresponding measurement circuit, thus completing the process of converting external force into an electrical signal.
- the second sensor is a torque sensor.
- the torque sensor can use the measured physical quantity to generate elastic deformation on the elastic element. Therefore, the elastic deformation can be converted into a change in resistance through the strain gauge, thereby measuring the torque value.
- the motor drives the propeller to rotate.
- the motor and the propeller will produce pulling force or thrust force on the transmission shaft.
- the transmission shaft can move along its own axis direction, thereby contacting the first pressure.
- the first pressure sensor can measure the magnitude of the pulling force or thrust; the component to be tested can generate torque to drive the transmission shaft to rotate, and the transmission shaft drives the second sensor to measure the torque.
- the first pressure sensor and the second pressure sensor do not affect each other, thereby improving the measurement accuracy.
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Transportation (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
一种测量装置，用于对待测组件进行测试，待测组件包括电机和螺旋桨，螺旋桨连接于电机的输出端，测量装置包括底板（1）；传动机构（2），包括传动轴（21）和支撑座（22），传动轴（21）连接电机和支撑座（22），支撑座（22）用于支撑传动轴（21），支撑座（22）滑动连接于底板（1）；第一传感器（3），设置在底板（1）上，传动机构（2）能够沿传动轴（21）轴线方向运动并抵接于第一传感器（3），以使第一传感器（3）测量待测组件的拉力或者推力；第二传感器（4），一端与传动轴（21）同轴连接，另一端与支撑座（22）连接，传动轴（21）能够带动第二传感器（4）转动，以使第二传感器（4）测量待测组件的扭力。
Description
本申请涉及测试技术领域，尤其涉及一种测量装置。
随着无人机行业的蓬勃发展，无人机对电机的安全性和可靠性要求也越来越高，对生产的电机都需要进行扭力测试，以保证电机的出厂性能，通常采用扭力测试设备对无人机进行性能测试，市面上主流的测试设备适用于小型无人机电机，对于大型或超大型无人机电机来说因其尺寸过大导致测试转轴头重脚轻重量不平衡，因而产生较大的误差。因此亟需发明一种适用于大型无人机电机且测试精度更佳的测试设备。
实用新型内容
本申请的目的在于提供一种测量装置，本申请的测量装置能够准确测量螺旋桨电机的推拉力和扭力。
为解决上述技术问题，本申请提供了一种测量装置，用于对待测组件进行测试，所述待测组件包括电机和螺旋桨，所述螺旋桨连接于所述电机的输出端，所述测量装置包括：底板；传动机构，包括传动轴和支撑座，所述传动轴连接所述电机和所述支撑座，所述支撑座用于支撑所述传动轴，所述支撑座滑动连接于所述底板；第一传感器，设置在所述底板上，所述传动机构能够沿所述传动轴轴线方向运动并抵接于所述第一传感器，以使所述第一传感器测量所述待测组件的拉力或者推力；第二传感器，一端与所述传动轴同轴连接，另一端与所述支撑座连接，所述传动轴能够带动所述第二传感器转动，以使所述第二传感器测量所述待测组件的扭力。
作为优选，所述底板上设置有直线导轨，所述直线导轨上设置有传动板，所述支撑座设置在所述传动板上，所述传动板通过所述直线导轨与所述底板可滑动连接。
作为优选，所述传动板设置有力传递块，所述力传递块抵接于所述第一传感器，用于拉动或推动所述第一传感器，以使所述第一传感器对应测量所述待测组件的拉力或推力。
作为优选，所述支撑座包括第一支撑座和第二支撑座，所述传动轴穿过所述第一支撑座且与所述第一支撑座转动配合，所述第二支撑座连接于所述第二传感器远离所述传动轴的一端。
作为优选，所述第一支撑座设置有多个，多个所述第一支撑座均用于支撑所述传动轴。
作为优选，所述第一支撑座设置为一对，所述一对第一支撑座之间夹持有传动轴链环部，所述传动轴链环部与所述传动轴固定连接且能够随所述传动轴转动。
作为优选，所述传动轴链环部与每个第一支撑座之间设置有垫片。
作为优选，所述传动轴靠近所述第二传感器的一端设置有联轴器。
作为优选，所述传动轴上套设有直线轴承。
作为优选，所述传动轴与所述电机连接的一侧还设置有电机支撑组件，所述电机支撑组件用于固定所述电机。
本实用新型提供的测量装置，电机驱动螺旋桨转动，电机和螺旋桨会对传动轴产生拉力或者推力，在该拉力或者推力的作用下，传动轴能够沿自身轴线方向运动，从而抵接于第一压力传感器，第一压力传感器从而测得该拉力或者推力的大小；待测组件能够产生扭力从而带动传动轴转动，传动轴带动第二传感器，从而测得扭力。本实用新型提供的测量装置，第一压力传感器和第二压力传感器互不影响，提高了测量精度。
图1显示为本申请实施例测量装置的结构示意图；
图2显示为本申请实施例测量装置的仰视图；
图3显示为本申请实施例测量装置的侧视图；
图4显示为图3中A的局部放大图。
以下通过特定的具体实例说明本申请的实施方式，本领域技术人员可由本说明书所揭露的内容轻易地了解本申请的其他优点与功效。本申请还可以通过另外不同的具体实施方式加以实施或应用系统，本说明书中的各项细节也可以基于不同观点与应用系统，在没有背离本申请的精神下进行各种修饰或改变。需说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。
下面以附图为参考，针对本申请的实施例进行详细说明，以便本申请所属技术领域的技术人员能够容易地实施。本申请可以以多种不同形态体现，并不限定于此处说明的实施例。
为了明确说明本申请，省略与说明无关的器件，对于通篇说明书中相同或类似的构成要素，赋予了相同的参照符号。
在通篇说明书中，当说某器件与另一器件“连接”时，这不仅包括“直接连接”的情形，
也包括在其中间把其它元件置于其间而“间接连接”的情形。另外，当说某种器件“包括”某种构成要素时，只要没有特别相反的记载，则并非将其它构成要素排除在外，而是意味着可以还包括其它构成要素。
当说某器件在另一器件“之上”时，这可以是直接在另一器件之上，但也可以在其之间伴随着其它器件。当对照地说某器件“直接”在另一器件“之上”时，其之间不伴随其它器件。
虽然在一些实例中术语第一、第二等在本文中用来描述各种元件，但是这些元件不应当被这些术语限制。这些术语仅用来将一个元件与另一个元件进行区分。例如，第一接口及第二接口等描述。再者，如同在本文中所使用的，单数形式“一”、“一个”和“该”旨在也包括复数形式，除非上下文中有相反的指示。应当进一步理解，术语“包含”、“包括”表明存在所述的特征、步骤、操作、元件、组件、项目、种类、和/或组，但不排除一个或多个其他特征、步骤、操作、元件、组件、项目、种类、和/或组的存在、出现或添加。此处使用的术语“或”和“和/或”被解释为包括性的，或意味着任一个或任何组合。因此，“A、B或C”或者“A、B和/或C”意味着“以下任一个：A；B；C；A和B；A和C；B和C；A、B和C”。仅当元件、功能、步骤或操作的组合在某些方式下内在地互相排斥时，才会出现该定义的例外。
此处使用的专业术语只用于言及特定实施例，并非意在限定本申请。此处使用的单数形态，只要语句未明确表示出与之相反的意义，那么还包括复数形态。在说明书中使用的“包括”的意义是把特定特性、区域、整数、步骤、作业、要素及/或成份具体化，并非排除其它特性、区域、整数、步骤、作业、要素及/或成份的存在或附加。
表示“下”、“上”等相对空间的术语可以为了更容易地说明在附图中图示的一器件相对于另一器件的关系而使用。这种术语是指，不仅是在附图中所指的意义，还包括使用中的装置的其它意义或作业。例如，如果翻转附图中的装置，曾说明为在其它器件“下”的某器件则说明为在其它器件“上”。因此，所谓“下”的示例性术语，全部包括上与下方。装置可以旋转90°或其它角度，代表相对空间的术语也据此来解释。
虽然未不同地定义，但包括此处使用的技术术语及科学术语，所有术语均具有与本申请所属技术领域的技术人员一般理解的意义相同的意义。普通使用的字典中定义的术语追加解释为具有与相关技术文献和当前提示的内容相符的意义，只要未进行定义，不得过度解释为理想的或非常公式性的意义。
本实施例提供了一种测量装置，用于对待测组件的推拉力和扭力进行测试，待测组件包
括电机和螺旋桨，螺旋桨连接于电机的输出端，电机能够带动螺旋桨转动。如图1和图2所示，测量装置包括底板1、传动机构2、第一传感器3以及第二传感器4，传动机构2包括传动轴21和支撑座22，传动轴21连接电机(图中未示出)和支撑座22，支撑座22滑动连接于底板1，支撑座22用于支撑传动轴21，第一传感器3设置在底板1上，传动机构2能够沿传动轴21轴线方向运动并抵接于第一传感器3，以使第一传感器3测量待测组件的拉力或者推力；第二传感器4的一端与传动轴21同轴连接，另一端与支撑座22连接，传动轴21能够带动第二传感器4转动，以使第二传感器4测量待测组件的拉力或者推力。
具体地，待测组件的电机驱动螺旋桨转动，电机连接于传动轴21，螺旋桨的转动会对传动轴21产生拉力或者推力，在该拉力或者推力的作用下，传动轴21能够沿自身轴线方向运动，通过第一传感器3测得该拉力或者推力的大小。于本实施例中，支撑座22包括第一支撑座221和第二支撑座222，更具体地，第一支撑座221可以设置有多个，多个第一支撑座221均用于支撑传动轴21，防止传动轴21与其他部件干涉，影响测量结果。优选地，第一支撑座221设置有两个。第一支撑座221和第二支撑座222均可拆卸连接于其底部的传动板23。底板1上设置有直线导轨10，传动板23设置在直线导轨10上，传动板23通过直线导轨10与底板1可滑动连接。传动轴21上设置有传动轴链环部24，传动轴链环部24与传动轴21固定连接，可以跟随传动轴21转动，传动轴链环部24被夹持在两个第一支撑座221之间，两个第一支撑座221夹持传动轴链环部24在传动轴21轴线方向一起运动，从而传动轴21能够带动传动轴链环部24、传动轴链环部24两侧的第一支撑座221以及传动板23在直线导轨10上沿传动轴21轴线方向运动，如图3和图4所示，传动板23的底部设置有力传递块25，力传递块25抵接于第一传感器3，力传递块25与第一传感器3螺栓连接，以使传动机构2沿传动轴21轴线方向运动时，带动力传递块25来拉动或推动第一传感器3，以此测量待测组件的拉力或者推力。进一步地，传动轴21上套设有直线轴承26，可以用于减小轴向和径向移动的摩擦力。第一传感器3可以抵靠在固定块30上，可以起到稳固第一传感器3的作用。
同时。如图3所示，传动轴21与电机之间可以设置电机支撑组件5，电机支撑组件5包括固定座51、固定盘52和支撑柱53，固定座51连接在传动轴21的一端，固定盘52可以根据测试电机的直径定制，支撑柱53用来支撑电机。传动轴21通过电机支撑组件5连接电机，可以保证大尺寸电机和传动轴21的连接强度以及连接稳定性。
同时，传动轴21穿过两个第一支撑座221且与第一支撑座221转动配合，传动轴21上的传动轴链环部24与每个第一支撑座221之间均设置有垫片，可以在传动轴链环部24跟随传动轴21转动时减缓其与各个第一支撑座221间的摩擦。第二传感器4的一端与传动轴21
同轴连接，另一端与第二支撑座222固定连接。第二支撑座222用于支撑第二传感器4和传动轴21。在电机驱动螺旋桨转动时，螺旋桨及电机产生扭力带动传动轴21转动，传动轴21带动第二传感器4转动从而测得扭力。
进一步地，传动轴21靠近第二传感器4的一端还设置有联轴器27，联轴器27可以用于调整传动轴21和第二传感器4的同心度，同时作为一种安全装置用来防止传动轴21承受过大的载荷而损坏测量装置，起到过载保护的作用。本实施例提供的测量装置，第一传感器3和第二传感器4互不影响，实现了动态拉力测量，提高了测量精度。
此外，测量装置还可以设置于汽车等交通工具上，汽车用于带动测量装置移动，据测试需求可改变车速，模拟不同流速度下待测组件的反馈数据。与本实施例中，第一传感器为拉力传感器，拉力传感器在外力作用下产生弹性变形，使粘贴在他表面的电阻应变片(转换元件)也随同产生变形，电阻应变片变形后，它的阻值将发生变化(增大或减小)，再经相应的测量电路把这一电阻变化转换为电信号(电压或电流)，从而完成了将外力变换为电信号的过程。第二传感器为扭矩传感器，扭矩传感器可利用被测物理量在弹性元件上产生弹性变形，因而弹性变形可通过应变片转换成电阻的变化，从而测出扭矩值。
本实用新型提供的测量装置，电机驱动螺旋桨转动，电机和螺旋桨会对传动轴产生拉力或者推力，在该拉力或者推力的作用下，传动轴能够沿自身轴线方向运动，从而抵接于第一压力传感器，第一压力传感器从而测得该拉力或者推力的大小；待测组件能够产生扭力从而带动传动轴转动，传动轴带动第二传感器，从而测得扭力。本实用新型提供的测量装置，第一压力传感器和第二压力传感器互不影响，提高了测量精度。
上述实施例仅例示性说明本申请的原理及其功效，而非用于限制本申请。任何熟悉此技术的人士皆可在不违背本申请的精神及范畴下，对上述实施例进行修饰或改变。因此，举凡所属技术领域中具有通常知识者在未脱离本申请所揭示的精神与技术思想下所完成的一切等效修饰或改变，仍应由本申请的权利要求所涵盖。
Claims (10)
- 一种测量装置，用于对待测组件进行测试，所述待测组件包括电机和螺旋桨，所述螺旋桨连接于所述电机的输出端，其特征在于，所述测试装置包括：底板；传动机构，包括传动轴和支撑座，所述传动轴连接所述电机和所述支撑座，所述支撑座用于支撑所述传动轴，所述支撑座滑动连接于所述底板；第一传感器，设置在所述底板上，所述传动机构能够沿所述传动轴轴线方向运动并抵接于所述第一传感器，以使所述第一传感器测量所述待测组件的拉力或者推力；第二传感器，一端与所述传动轴同轴连接，另一端与所述支撑座连接，所述传动轴能够带动所述第二传感器转动，以使所述第二传感器测量所述待测组件的扭力。
- 根据权利要求1所述的测量装置，其特征在于，所述底板上设置有直线导轨，所述直线导轨上设置有传动板，所述支撑座设置在所述传动板上，所述传动板通过所述直线导轨与所述底板可滑动连接。
- 根据权利要求2所述的测量装置，其特征在于，所述传动板设置有力传递块，所述力传递块抵接于所述第一传感器，用于拉动或推动所述第一传感器，以使所述第一传感器对应测量所述待测组件的拉力或推力。
- 根据权利要求1所述的测量装置，其特征在于，所述支撑座包括第一支撑座和第二支撑座，所述传动轴穿过所述第一支撑座且与所述第一支撑座转动配合，所述第二支撑座连接于所述第二传感器远离所述传动轴的一端。
- 根据权利要求4所述的测量装置，其特征在于，所述第一支撑座设置有多个，多个所述第一支撑座均用于支撑所述传动轴。
- 根据权利要求5所述的测量装置，其特征在于，所述第一支撑座设置为一对，所述一对第一支撑座之间夹持有传动轴链环部，所述传动轴链环部与所述传动轴固定连接且能够随所述传动轴转动。
- 根据权利要求6所述的测量装置，其特征在于，所述传动轴链环部与每个第一支撑座之间设置有垫片。
- 根据权利要求2所述的测量装置，其特征在于，所述传动轴靠近所述第二传感器的一端设置有联轴器。
- 根据权利要求2所述的测量装置，其特征在于，所述传动轴上套设有直线轴承。
- 根据权利要求5所述的测量装置，其特征在于，所述传动轴与所述电机连接的一侧还设置有电机支撑组件，所述电机支撑组件用于固定所述电机。
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| CN206772468U (zh) * | 2017-04-19 | 2017-12-19 | 成都天府新区光启未来技术研究院 | 发动机测试装置 |
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| CN206725141U (zh) * | 2017-05-27 | 2017-12-08 | 河南流量航空材料有限公司 | 一种螺旋桨动力测试台 |
| CN210793683U (zh) * | 2019-08-21 | 2020-06-19 | 成都纵横大鹏无人机科技有限公司 | 测试装置 |
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