CN219382817U - Aircraft thrust testing arrangement - Google Patents

Abstract

The utility model relates to the technical field of motor testing, and discloses an aircraft thrust testing device which is simple and convenient to operate and high in detection efficiency. The device comprises a screw rod transmission assembly, a first pressure detection module, a first limit detection module, a second pressure detection module, a second limit detection module, a data acquisition and control module and a main control module; the screw rod transmission assembly is provided with a base, a screw rod and a nut seat, the screw rod is rotationally connected to the base, the screw rod is in transmission connection with a motor to be tested, the nut seat is in threaded connection with the screw rod, and the screw rod can move back and forth along the extending direction of the screw rod. The utility model can detect the thrust of the motor in forward rotation and reverse rotation by matching with the pressure detection module and the screw rod transmission assembly, simplifies the testing process, has high convenience and detection efficiency, and in addition, the utility model can prevent the thrust output by the motor from exceeding the maximum range by matching with the limit detection module, thereby avoiding damaging the pressure detection module, effectively protecting the pressure detection module and having high reliability.

Description

Aircraft thrust testing arrangement

Technical Field

The utility model relates to the technical field of motor testing, in particular to an aircraft thrust testing device.

Background

The device for testing the thrust of the motor comprises a motor body, a base, a motor support, a screw rod, a guide rail and a nut seat, wherein the motor body is fixed on the motor support, the motor support is fixed on the base, the guide rail is fixed on the base, the nut seat is in sliding fit on the guide rail, a corresponding load (e.g. a weight) is hung on the nut during testing, the screw rod is electrified to rotate by the motor body, the screw rod drives the nut to linearly move, and the thrust of the motor is detected by increasing the number of the loads. However, the test structure and the test method cannot effectively test the traction torque of the motor, are troublesome to operate and have low detection efficiency.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the device for testing the thrust of the aircraft, which can effectively detect the thrust value of the motor of the aircraft, and has simple and convenient operation and high detection efficiency.

The aircraft thrust testing device comprises a screw rod transmission assembly, a first pressure detection module, a first limit detection module, a second pressure detection module, a second limit detection module, a data acquisition and control module and a main control module; the screw rod transmission assembly is provided with a base, a screw rod and a nut seat, the screw rod is rotationally connected to the base, the first end of the screw rod is in transmission connection with a motor to be tested, and the nut seat is in threaded connection with the screw rod and can move back and forth along the extending direction of the screw rod; the first pressure detection module is arranged at the first end of the screw rod and positioned in the linear direction of the movement of the nut seat; the first limit detection module is arranged between the first pressure detection module and the nut seat and is positioned in the linear direction of movement of the nut seat; the second pressure detection module is arranged at the second end of the screw rod and is positioned in the linear direction of the movement of the nut seat; the second limit detection module is arranged between the second pressure detection module and the nut seat and is positioned in the linear direction of movement of the nut seat; the data acquisition and control module is electrically connected with the first pressure detection module, the first limit detection module, the second pressure detection module, the second limit detection module and the motor to be detected respectively; the main control module is electrically connected with the data acquisition and control module.

According to some embodiments of the utility model, the first pressure detection module comprises a first pressure sensor and a first spring; the first pressure sensor is detachably connected with the base and is positioned at the first end of the screw rod, the first pressure sensor is arranged towards the nut seat, and the first pressure sensor is electrically connected with the data acquisition and control module; the first spring is sleeved on the screw rod, the first end of the first spring is abutted to the detection end of the first pressure sensor, and the second end of the first spring is abutted to the first end of the nut seat.

According to some embodiments of the utility model, the second pressure detection module includes a second pressure sensor and a second spring; the second pressure sensor is detachably connected with the base and is positioned at the second end of the screw rod, the second pressure sensor is arranged towards the nut seat, and the second pressure sensor is electrically connected with the data acquisition and control module; the second spring is sleeved on the screw rod, the first end of the second spring is abutted to the detection end of the second pressure sensor, and the second end of the second spring is abutted to the second end of the nut seat.

According to some embodiments of the utility model, the base is provided with a guide groove parallel to the screw rod, the guide groove is positioned right below the screw rod, and the guide groove is connected with the nut seat in a sliding fit manner.

According to some embodiments of the utility model, the first limit detection module includes a first slider and a first limit switch; the first sliding block is connected with the guide groove in a sliding fit manner and can move back and forth along the extending direction of the screw rod; the first limit switch is fixed on the first sliding block, the detection end faces the nut seat, and the first limit switch is electrically connected with the data acquisition and control module.

The second limit detection module comprises a second sliding block and a second limit switch, and the second sliding block is connected with the guide groove in a sliding fit manner and can move back and forth along the extending direction of the screw rod; the second limit switch is fixed on the second sliding block, the detection end faces the nut seat, and the second limit switch is electrically connected with the data acquisition and control module.

According to some embodiments of the utility model, the nut seat further comprises at least two limit screws, a guide rail parallel to the screw rod is arranged in the middle of the guide groove, the guide rail is in sliding connection with the bottom of the nut seat, the bottom of the first sliding block and the bottom of the second sliding block, threaded holes are formed in the side faces of the first sliding block and the side faces of the second sliding block, and the corresponding limit screws penetrate through the corresponding threaded holes to be abutted to the guide rail so as to fix the corresponding first sliding block or second sliding block.

According to some embodiments of the utility model, the data acquisition and control module comprises a power supply unit, a processing unit, a pressure acquisition unit, a driving unit and an LED lamp display unit; the input end of the power supply unit is electrically connected with a power supply; the power end of the processing unit is electrically connected with the power supply unit, the input and output ends of the processing unit are electrically connected with the main control module, and the processing unit is also electrically connected with the first limit detection module and the second limit detection module respectively; the power end of the pressure acquisition unit is electrically connected with the power supply unit, the input end of the pressure acquisition unit is electrically connected with the first pressure detection module and the second pressure detection module respectively, and the output end of the pressure acquisition unit is electrically connected with the processing unit; the power end of the driving unit is electrically connected with the power supply unit, the control end of the driving unit is electrically connected with the processing unit, and the output end of the driving unit is electrically connected with the motor to be tested. The power end of the LED lamp display unit is electrically connected with the power supply unit, and the control end of the LED lamp display unit is electrically connected with the processing unit.

According to some embodiments of the utility model, the main control module comprises a touch screen and an industrial personal computer; the industrial personal computer is respectively and electrically connected with the touch screen and the data acquisition and control module.

According to some embodiments of the utility model, the temperature sensor further comprises at least one patch type temperature measuring module, wherein the patch type temperature measuring module is electrically connected with the data acquisition and control module and is used for being attached to the surface of the motor to be measured so as to measure the temperature of the motor to be measured.

According to some embodiments of the utility model, the patch type temperature measurement module comprises a sheet-shaped shell, a temperature sensor and a pasting part; the temperature sensor is arranged in the shell and is electrically connected with the data acquisition and control module, and the detection end of the temperature sensor is embedded at the bottom of the shell; the sticking part is arranged at the bottom of the shell and is provided with an avoidance hole for avoiding the detection end of the temperature sensor

The embodiment of the utility model has at least the following beneficial effects: through cooperation first pressure detection module, second pressure detection module and lead screw drive assembly, can detect the thrust when motor corotation and reversal, simplified test process, promoted convenience and the efficiency of detection effectively, in addition, cooperation first spacing detection module and the spacing detection module of second can prevent that motor output's thrust from surpassing first pressure detection module and second pressure detection module's the biggest range, avoid causing the damage to first pressure detection module or second pressure detection module, protected first pressure detection module and second pressure detection module effectively, promoted the reliability.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic diagram of circuit module connections of an aircraft thrust testing apparatus according to an embodiment of the present utility model;

FIG. 2 is a schematic structural view of the aircraft thrust testing device shown in FIG. 1;

fig. 3 is a schematic structural diagram of a patch type temperature measurement module of an aircraft thrust testing device according to another embodiment of the present utility model.

Reference numerals:

Detailed Description

The conception, specific structure, and technical effects produced by the present utility model will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, aspects, and effects of the present utility model. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other.

It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly or indirectly fixed or connected to the other feature. Further, the descriptions of the upper, lower, left, right, top, bottom, etc. used in the present utility model are merely with respect to the mutual positional relationship of the respective constituent elements of the present utility model in the drawings.

It should be noted that, unless otherwise specified, when a feature is referred to as being "electrically connected" or "electrically connected" with another feature, the two features may be directly connected through pins, or connected through cables, or may be connected through a wireless transmission manner. The specific electrical connection mode belongs to a general mode of a person skilled in the art, and the person skilled in the art can realize connection according to the need.

Furthermore, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used in the description presented herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any combination of one or more of the associated listed items.

It should be understood that although the terms first, second, third, etc. may be used in this disclosure to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element of the same type from another. For example, a first element could also be termed a second element, and, similarly, a second element could also be termed a first element, without departing from the scope of the present disclosure.

Referring to fig. 1 and 2, an aircraft thrust testing device according to an embodiment of the present utility model includes a screw drive assembly 100, a first pressure detection module 200, a first limit detection module 300, a second pressure detection module 400, a second limit detection module 500, a data acquisition and control module 600, and a main control module 700; the screw transmission assembly 100 is provided with a base 110, a screw 120 and a nut seat 130, the screw 120 is rotationally connected to the base 110, a first end of the screw 120 is in transmission connection with a motor 900 to be tested, and the nut seat 130 is in threaded connection with the screw 120 and can move back and forth along the extending direction of the screw 120; the first pressure detection module 200 is disposed at a first end of the screw rod 120 and is located in a linear direction along which the nut seat 130 moves; the first limit detection module 300 is disposed between the first pressure detection module 200 and the nut seat 130, and is located in a linear direction in which the nut seat 130 moves; the second pressure detection module 400 is disposed at the second end of the screw rod 120 and located in a linear direction along which the nut seat 130 moves; the second limit detection module 500 is disposed between the second pressure detection module 400 and the nut seat 130, and is located in a linear direction in which the nut seat 130 moves; the data acquisition and control module 600 is electrically connected with the first pressure detection module 200, the first limit detection module 300, the second pressure detection module 400, the second limit detection module 500 and the motor 900 to be tested respectively; the main control module 700 is electrically connected to the data acquisition and control module 600.

Working principle: the motor 900 to be tested is fixed on the base 110 and is in transmission connection with the screw rod 120, the motor 900 to be tested can be electrified and rotated through the data acquisition and control module 600, when the motor 900 to be tested rotates positively, the screw rod 120 is driven to rotate and the nut seat 130 is driven to move towards the second end of the screw rod 120, at this moment, the nut seat 130 is close to and presses the second pressure detection module 400, the second pressure detection module 400 detects real-time pressure and transmits signals to the data acquisition and control module 600 until the nut seat 130 abuts against the second limit detection module 500, once the signals of the second limit detection module 500 are received, the data acquisition and control module 600 sends control signals to enable the motor 900 to be tested to rotate reversely, the screw rod 120 is driven to rotate reversely, and the nut seat 130 is driven to move towards the first end of the screw rod 120, at this moment, the nut seat 130 is close to and presses the first pressure detection module 200, the first pressure detecting module 200 detects the real-time pressure and transmits a signal to the data collecting and controlling module 600 until the nut seat 130 abuts against the position of the first limit detecting module 300, once the signal of the first limit detecting module 300 is received, the data collecting and controlling module 600 will send a control signal to rotate the motor 900 to be tested forward again, the screw rod 120 will be driven to rotate forward and the nut seat 130 will return to the original position, when the data collecting and controlling module 600 collects the signal of the first pressure detecting module 200 or the second pressure detecting module 400 in real time, the data collecting and controlling module 600 will transmit the received data to the main control module 700 in real time, the main control module 700 will process and display and store the relevant thrust data according to the signal sent by the data collecting and controlling module 600, and after calculating according to the collected data, the maximum thrust value can be obtained.

It should be noted that, the process of calculating the collected data by the main control module 700 belongs to the existing conventional technical means, and is not described in detail herein; the motor 900 to be tested and the screw rod 120 can be in transmission connection through a coupler, and the coupler is adopted, so that the motor 900 to be tested and the screw rod 120 can be conveniently in transmission connection and separation; the motor 900 to be tested and the base 110 can be fixed or separated in a bolt connection or clamping mode, and the specific connection mode belongs to a technical means conventional to those skilled in the art, and can be replaced according to requirements, so long as the motor 900 to be tested can be fixed on the base 110, and meanwhile, the motor is convenient to detach.

Referring to fig. 1 and 2, in some embodiments of the present utility model, a first pressure detection module 200 includes a first pressure sensor 210 and a first spring 220; the first pressure sensor 210 is detachably connected with the base 110 and is positioned at the first end of the screw rod 120, the first pressure sensor 210 is arranged towards the nut seat 130, and the first pressure sensor 210 is electrically connected with the data acquisition and control module 600; the first spring 220 is sleeved on the screw rod 120, and a first end of the first spring 220 abuts against a detection end of the first pressure sensor 210, and a second end of the first spring 220 abuts against a first end of the nut seat 130.

Specifically, when the nut seat 130 moves linearly and approaches the first pressure sensor 210, an axial pressure is generated on the first spring 220, the first spring 220 transmits the pressure to the first pressure sensor 210, and the first pressure sensor 210 can detect the pressure in real time. In the process of linear motion of the nut seat 130, after the first pressure sensor 210 is pressurized, the reaction force generated by the first pressure sensor 210 becomes the load of the motor 900 to be tested, and as the nut seat 130 continues to move towards the first pressure sensor 210, the first spring 220 is gradually compressed, the reaction force gradually increases, so that the load also gradually increases, therefore, the first pressure sensor 210 can feed back the collected pressure signal to the data collection and control module 600 in real time, and then the data collection and control module 600 feeds back the pressure signal to the main control module 700, and the main control module 700 performs processing calculation according to the collected data.

Wherein, the first spring 220 is sleeved on the screw rod 120, so that the stability of the first spring 220 can be ensured, the condition that the first spring 220 is offset in the compression process can be prevented, and the detection reliability is further improved.

It can be known that the first pressure sensor 210 and the first spring 220 can be selected according to the maximum thrust when the motor 900 to be tested is designed, and the specific model parameter selection belongs to the technical means commonly used by those skilled in the art, and this time is not explained excessively; the first pressure sensor 210 may be detachably connected to the base 110 by a bolt connection or a magnetic connection.

Referring to fig. 1 and 2, in some embodiments of the present utility model, the second pressure detection module 400 includes a second pressure sensor 410 and a second spring 420; the second pressure sensor 410 is detachably connected with the base 110 and is positioned at the second end of the screw rod 120, the second pressure sensor 410 is arranged towards the nut seat 130, and the second pressure sensor 410 is electrically connected with the data acquisition and control module 600; the second spring 420 is sleeved on the screw rod 120, and a first end of the second spring 420 abuts against a detection end of the second pressure sensor 410, and a second end of the second spring 420 abuts against a second end of the nut seat 130.

Similarly, when the nut seat 130 moves linearly and approaches the second pressure sensor 410, an axial pressure is generated on the second spring 420, the second spring 420 transmits the pressure to the second pressure sensor 410, and the second pressure sensor 410 can detect the pressure in real time. In the process of linear movement of the nut seat 130, after the second pressure sensor 410 is pressurized, the reaction force generated by the second pressure sensor 410 becomes the load of the motor 900 to be tested, and as the nut seat 130 continues to move towards the first pressure sensor 210, the second spring 420 is gradually compressed, the reaction force gradually increases, so that the load also gradually increases, therefore, the second pressure sensor 410 can feed back the collected pressure signal to the data collection and control module 600 in real time, and then the data collection and control module 600 feeds back to the main control module 700, and the main control module 700 performs processing calculation according to the collected data.

Wherein, the second spring 420 is sleeved on the screw rod 120, so that the stability of the second spring 420 can be ensured, the condition that the second spring 420 is offset in the compression process can be prevented, and the detection reliability is further improved.

Similarly, it can be known that the second pressure sensor 410 and the second spring 420 can be selected according to the maximum thrust when the motor 900 to be tested is designed, and the specific model parameter selection belongs to the technical means commonly used by those skilled in the art, and this time will not be explained excessively; and the second pressure sensor 410 may be detachably connected to the base 110 by a bolt connection or a magnetic connection.

In some embodiments of the present utility model, the base 110 is provided with a guide groove parallel to the screw 120, the guide groove is located right under the screw 120, and the guide groove is connected with the nut seat 130 in a sliding fit manner. The guide groove is matched, so that the nut seat 130 can be kept stable in the moving process, and the reliability is improved; in addition, it is known that, instead of using a guide groove, a guide rail may be used to achieve the purpose of stably moving the nut seat 130.

Referring to fig. 1 and 2, in some embodiments of the present utility model, a first limit detection module 300 includes a first slider 310 and a first limit switch 320; the first sliding block 310 is connected with the guide groove in a sliding fit manner and can move back and forth along the extending direction of the screw rod 120; the first limit switch 320 is fixed on the first slider 310, and the detection end faces the nut seat 130, and the first limit switch 320 is electrically connected with the data acquisition and control module 600.

The second limit detection module 500 comprises a second slider 510 and a second limit switch 520, wherein the second slider 510 is connected with the guide groove in a sliding fit manner and can move back and forth along the extending direction of the screw rod 120; the second limit switch 520 is fixed on the second slider 510, and the detection end faces the nut seat 130, and the second limit switch 520 is electrically connected with the data acquisition and control module 600.

Specifically, when the nut seat 130 approaches the first pressure detection module 200 or the second pressure detection module 400 in a linear motion manner, the nut seat 130 approaches the first limit switch 320 or the second limit switch 520 step by step, and meanwhile, when the nut seat 130 approaches the first pressure detection module 200 or the second pressure detection module 400, the nut seat 130 first touches the corresponding first limit switch 320 or the second limit switch 520, so that the measurement range of the first pressure detection module 200 or the second pressure detection module 400 can be prevented from being exceeded when the motor 900 to be detected, damage to the first pressure detection module 200 or the second pressure detection module 400 is prevented from being caused, and reliability and safety are effectively improved.

It can be appreciated that the first limit switch 320 or the second limit switch 520 may detect the displacement stroke of the nut seat 130 by using a micro switch, a relay, an infrared sensor, etc., and specifically, the detection of the displacement stroke belongs to a technical means common to those skilled in the art, and will not be described in detail herein.

In some embodiments of the present utility model, the nut seat further comprises at least two limiting screws, a guide rail parallel to the screw rod 120 is disposed in the middle of the guide groove, the guide rail is slidably connected with the bottom of the nut seat 130, the bottom of the first slider 310 and the bottom of the second slider 510, threaded holes are disposed on the sides of the first slider 310 and the second slider 510, and the corresponding limiting screws pass through the corresponding threaded holes to abut against the guide rail to fix the corresponding first slider 310 or the second slider 510.

In addition, the first slider 310 or the second slider 510 is matched with the sliding fit connection of the guide groove, and meanwhile, the limit screw is matched, so that appropriate adjustment can be performed according to the parameters of the actual motor 900 to be detected or the parameters of the first pressure detection module 200 and the second pressure detection module 400, the detection application range is improved, and the convenience is further improved.

Referring to fig. 1, in some embodiments of the present utility model, the data acquisition and control module 600 includes a power supply unit 610, a processing unit 620, a pressure acquisition unit 630, a driving unit 640, and an LED lamp display unit 650; the input end of the power supply unit 610 is electrically connected with a power supply; the power end of the processing unit 620 is electrically connected with the power supply unit 610, the input and output ends of the processing unit 620 are electrically connected with the main control module 700, and the processing unit 620 is also electrically connected with the first limit detection module 300 and the second limit detection module 500 respectively; the power end of the pressure acquisition unit 630 is electrically connected with the power supply unit 610, the input end of the pressure acquisition unit 630 is electrically connected with the first pressure detection module 200 and the second pressure detection module 400 respectively, and the output end of the pressure acquisition unit 630 is electrically connected with the processing unit 620; the power end of the driving unit 640 is electrically connected to the power supply unit 610, the control end of the driving unit 640 is electrically connected to the processing unit 620, and the output end of the driving unit 640 is electrically connected to the motor 900 to be tested. The power end of the LED lamp display unit 650 is electrically connected to the power supply unit 610, and the control end of the LED lamp display unit 650 is electrically connected to the processing unit 620.

The power supply unit 610 may be configured according to an existing power supply circuit, a voltage reduction circuit or a power storage battery, so that the power supply unit 610 may be connected with different external direct currents or alternating currents, so as to output various different voltages, and conventional working voltages of 5V, 3.8V, etc. may be provided to the processing unit 620, the pressure acquisition unit 630, the driving unit 640, and the LED lamp display unit 650, for example, if the external power supply is matched with a storage battery, the power supply may still be continuously performed for other units under the condition of power failure, so that the detection of the motor 900 to be detected may be ensured to be performed smoothly; the processing unit 620 may select a suitable processor such as a singlechip, a PLC, a DSP, etc. according to the requirement, and cooperate with corresponding peripheral circuits to implement the functions mentioned in the present utility model, and the specific selection belongs to conventional technical means of those skilled in the art, in this embodiment, the processing unit 620 may use a singlechip with a model number of STM32F103C8T6 as a core processor; the pressure acquisition unit 630 is used for acquiring the pressure signal of the first pressure sensor 210 or the second pressure sensor 410, and specifically how to acquire the pressure signal is a conventional technical means for a person skilled in the art, and the person skilled in the art can select and design according to the actual requirement, so that excessive details will not be described here, further, in this embodiment, the pressure acquisition unit 630 may use a chip with a model HX711 and cooperate with a corresponding peripheral circuit, so that the analog signal of the first pressure sensor 210 or the second pressure sensor 410 can be converted into a digital signal; the driving unit 640 can drive the motor 900 to be tested to achieve a forward or reverse working state according to the control signal output by the processing unit 620, and the specific circuit structure is a conventional technical means for those skilled in the art, so that those skilled in the art can select and design according to actual requirements, and the excessive details are not repeated here, for example, an H-bridge dc motor driving circuit can be adopted; the LED lamp display unit 650 may adopt a corresponding conventional LED lamp structure, and may change the working voltage of the LED lamp to display different colors, so as to remind a worker that the current motor 900 to be tested is in a forward or reverse state, and meanwhile, when the current motor is abnormal, the worker is warned by controlling the LED lamp to flash, so that the technical means for controlling the LED lamp is also conventional to those skilled in the art, and detailed description is not repeated.

Referring to fig. 1, in some embodiments of the present utility model, a main control module 700 includes a touch screen 710 and an industrial personal computer 720; the industrial personal computer 720 is electrically connected with the touch screen 710 and the data acquisition and control module 600. Specifically, the types of the touch screen 710 and the industrial personal computer 720 can be selected according to actual demands, wherein the touch screen 710 can facilitate display of thrust test data to be displayed directly, and meanwhile, workers can control the touch screen 710 conveniently, in addition, the industrial personal computer 720 can also adopt a type with a 4G communication function or a 5G communication function, for example, the IPC-606B is an industrial personal computer 720 integrating the wireless communication of the SIM card 4G, the Intel Sichuan J1900 processor is adopted, the design of 4 kernel 4 threads is adopted, the main frequency is up to 2.0GHz, the board is pasted with 4GB memory, the performance is more stable, and in addition, the industrial personal computer 720 has rich IO interfaces, and can be used for quickly interfacing with other devices of clients.

Referring to fig. 3, in some embodiments of the present utility model, at least one patch type temperature measuring module 800 is further included, where the patch type temperature measuring module 800 is electrically connected to the data acquisition and control module 600, and the patch type temperature measuring module 800 is used for being attached to a surface of the motor 900 to be measured so as to measure a temperature of the motor 900 to be measured. The patch type temperature measuring module 800 is adopted, so that the patch type temperature measuring module can be conveniently adhered to the motor 900 to be measured, and therefore the temperature of the motor 900 to be measured during operation can be detected in real time, whether the temperature is abnormal during operation of the motor 900 to be measured is ensured, and the patch type temperature measuring module has the advantages of convenience and effective lifting.

Referring to fig. 3, in some embodiments of the present utility model, a patch type temperature measuring module 800 includes a case 810 in a sheet shape, a temperature sensor 820, and a paste portion 830; the temperature sensor 820 is disposed in the housing 810 and electrically connected to the data acquisition and control module 600, and a detection end of the temperature sensor 820 is embedded in the bottom of the housing 810; the adhesive part 830 is provided at the bottom of the housing 810, and has a hole for avoiding the detection end of the temperature sensor 820.

Set up paste portion 830, can be convenient for patch formula temperature measurement module 800 be fixed in on the motor 900 that awaits measuring, simultaneously when measuring and accomplish, also be convenient for separate patch formula temperature measurement module 800, the convenience has been promoted, set up dodge the hole, can make temperature sensor 820's detection end directly laminate with the surface of motor 900 that awaits measuring, with the reliability that promotes temperature detection, wherein, paste portion 830 can adopt blue butyl rubber or replace nail to glue, can be convenient for paste in order to realize fixed effect, also be convenient for dismantle the separation simultaneously, the reliability has been promoted, and temperature sensor 820 then can select suitable model according to the demand can, if can adopt thermistor sensor or thermocouple sensor.

It may be appreciated that, when the temperature sensor 820 is adopted, the data acquisition and control module 600 may set a corresponding temperature acquisition unit synchronously, so as to convert the acquired temperature analog signal into a digital signal, for example, an a/D conversion chip with the model of ADS1286 and a corresponding peripheral circuit may be adopted, an input end of the temperature acquisition unit is electrically connected with the temperature sensor 820, an output end of the temperature acquisition unit is electrically connected with the processing unit 620, and then real-time acquisition of the temperature of the motor 900 to be tested during working can be realized.

According to the embodiment of the present utility model, at least some effects can be achieved by such arrangement, by cooperating with the first pressure detecting module 200, the second pressure detecting module 400 and the screw driving assembly 100, the thrust force during the forward rotation and the reverse rotation of the motor can be detected, the testing process is simplified, the convenience and the detecting efficiency are effectively improved, in addition, by cooperating with the first limit detecting module 300 and the second limit detecting module 500, the thrust force output by the motor can be prevented from exceeding the maximum range of the first pressure detecting module 200 and the second pressure detecting module 400, the damage to the first pressure detecting module 200 or the second pressure detecting module 400 is avoided, the first pressure detecting module 200 and the second pressure detecting module 400 are effectively protected, and the reliability is improved.

The present utility model is not limited to the above embodiments, but can be modified, equivalent, improved, etc. by the same means to achieve the technical effects of the present utility model without departing from the spirit and principles of the present disclosure. Are intended to fall within the scope of the present utility model. Various modifications and variations are possible in the technical solution and/or in the embodiments within the scope of the utility model.

Claims (10)

1. An aircraft thrust testing device, comprising:

the screw rod transmission assembly (100) is provided with a base (110), a screw rod (120) and a nut seat (130), wherein the screw rod (120) is rotationally connected to the base (110), a first end of the screw rod (120) is in transmission connection with a motor (900) to be tested, and the nut seat (130) is in threaded connection with the screw rod (120) and can move back and forth along the extending direction of the screw rod (120);

the first pressure detection module (200) is arranged at the first end of the screw rod (120) and is positioned in the linear direction of the movement of the nut seat (130);

the first limit detection module (300) is arranged between the first pressure detection module (200) and the nut seat (130) and is positioned in the linear direction of the movement of the nut seat (130);

the second pressure detection module (400) is arranged at the second end of the screw rod (120) and is positioned in the linear direction of the movement of the nut seat (130);

the second limit detection module (500) is arranged between the second pressure detection module (400) and the nut seat (130) and is positioned in the linear direction of the movement of the nut seat (130);

the data acquisition and control module (600) is respectively and electrically connected with the first pressure detection module (200), the first limit detection module (300), the second pressure detection module (400), the second limit detection module (500) and the motor (900) to be detected;

and the main control module (700) is electrically connected with the data acquisition and control module (600).

2. The aircraft thrust testing device of claim 1, wherein the first pressure detection module (200) comprises:

the first pressure sensor (210) is detachably connected with the base (110) and is positioned at the first end of the screw rod (120), the first pressure sensor (210) is arranged towards the nut seat (130), and the first pressure sensor (210) is electrically connected with the data acquisition and control module (600);

the first spring (220) is sleeved on the screw rod (120), the first end of the first spring (220) is abutted to the detection end of the first pressure sensor (210), and the second end of the first spring (220) is abutted to the first end of the nut seat (130).

3. The aircraft thrust testing device of claim 1, wherein: the second pressure detection module (400) comprises:

the second pressure sensor (410) is detachably connected with the base (110) and is positioned at the second end of the screw rod (120), the second pressure sensor (410) is arranged towards the nut seat (130), and the second pressure sensor (410) is electrically connected with the data acquisition and control module (600);

the second spring (420) is sleeved on the screw rod (120), the first end of the second spring (420) is abutted to the detection end of the second pressure sensor (410), and the second end of the second spring (420) is abutted to the second end of the nut seat (130).

4. The aircraft thrust testing device according to claim 1, wherein the base (110) is provided with a guide groove parallel to the screw rod (120), the guide groove is located right below the screw rod (120), and the guide groove is connected with the nut seat (130) in a sliding fit manner.

5. The aircraft thrust testing device of claim 4, wherein:

the first limit detection module (300) includes:

the first sliding block (310) is connected with the guide groove in a sliding fit manner and can move back and forth along the extending direction of the screw rod (120);

the first limit switch (320) is fixed on the first sliding block (310) and the detection end faces the nut seat (130), and the first limit switch (320) is electrically connected with the data acquisition and control module (600);

and the second limit detection module (500) comprises:

the second sliding block (510) is connected with the guide groove in a sliding fit manner and can move back and forth along the extending direction of the screw rod (120);

the second limit switch (520) is fixed on the second sliding block (510) and the detection end faces the nut seat (130), and the second limit switch (520) is electrically connected with the data acquisition and control module (600).

6. The aircraft thrust testing device according to claim 5, further comprising at least two limit screws, wherein a guide rail parallel to the screw rod (120) is provided in the middle of the guide groove, the guide rail is slidably connected with the bottom of the nut seat (130), the bottom of the first slider (310) and the bottom of the second slider (510), threaded holes are provided in the sides of the first slider (310) and the second slider (510), and the corresponding limit screws pass through the corresponding threaded holes to be abutted against the guide rail so as to fix the corresponding first slider (310) or second slider (510).

7. The aircraft thrust testing device of claim 1, wherein the data acquisition and control module (600) comprises:

a power supply unit (610), the input end of which is electrically connected with a power supply;

the power end of the processing unit (620) is electrically connected with the power supply unit (610), the input and output ends of the processing unit (620) are electrically connected with the main control module (700), and the processing unit (620) is also electrically connected with the first limit detection module (300) and the second limit detection module (500) respectively;

the pressure acquisition unit (630), the power end of the pressure acquisition unit (630) is electrically connected with the power supply unit (610), the input end of the pressure acquisition unit (630) is electrically connected with the first pressure detection module (200) and the second pressure detection module (400) respectively, and the output end of the pressure acquisition unit (630) is electrically connected with the processing unit (620);

the power end of the driving unit (640) is electrically connected with the power supply unit (610), the control end of the driving unit (640) is electrically connected with the processing unit (620), and the output end of the driving unit (640) is electrically connected with the motor (900) to be tested;

the LED lamp display unit (650), the power end of LED lamp display unit (650) with power supply unit (610) electric connection, the control end of LED lamp display unit (650) with processing unit (620) electric connection.

8. The aircraft thrust testing device of claim 1, wherein the main control module (700) comprises:

a touch screen (710);

and the industrial personal computer (720) is electrically connected with the touch screen (710) and the data acquisition and control module (600) respectively.

9. The aircraft thrust testing device of claim 1, wherein: the temperature measuring device comprises a motor (900) to be measured, and is characterized by further comprising at least one patch type temperature measuring module (800), wherein the patch type temperature measuring module (800) is electrically connected with the data acquisition and control module (600), and the patch type temperature measuring module (800) is used for being attached to the surface of the motor (900) to be measured so as to measure the temperature of the motor (900) to be measured.

10. The aircraft thrust testing device of claim 9, wherein the patch temperature measurement module (800) comprises:

a sheet-shaped housing (810);

the temperature sensor (820) is arranged in the shell (810) and is electrically connected with the data acquisition and control module (600), and the detection end of the temperature sensor (820) is embedded at the bottom of the shell (810);

and an adhesion part (830) provided at the bottom of the housing (810) and provided with a avoidance hole for avoiding the detection end of the temperature sensor (820).