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CN112978614B - Lifting system and method for improving lifting hanging safety of airplane - Google Patents

Lifting system and method for improving lifting hanging safety of airplane Download PDF

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Publication number
CN112978614B
CN112978614B CN202110412869.7A CN202110412869A CN112978614B CN 112978614 B CN112978614 B CN 112978614B CN 202110412869 A CN202110412869 A CN 202110412869A CN 112978614 B CN112978614 B CN 112978614B
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China
Prior art keywords
lifting
sensor
threshold value
load
hanging
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CN202110412869.7A
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Chinese (zh)
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CN112978614A (en
Inventor
张卓
张健
冯涛
艾超
余江
李辉
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Beijing Andawell Aviation Equipment Co Ltd
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Beijing Andawell Aviation Equipment Co Ltd
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Priority to CN202110412869.7A priority Critical patent/CN112978614B/en
Publication of CN112978614A publication Critical patent/CN112978614A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/10Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks
    • B66F7/16Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by one or more hydraulic or pneumatic jacks
    • B66F7/20Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by one or more hydraulic or pneumatic jacks by several jacks with means for maintaining the platforms horizontal during movement
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/28Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F2700/00Lifting apparatus
    • B66F2700/05Hydraulic jacks
    • B66F2700/052Support- or transmission members

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Emergency Lowering Means (AREA)
  • Control And Safety Of Cranes (AREA)

Abstract

The application discloses a lifting system and a lifting method for improving lifting and hanging safety of an aircraft, and relates to the technical field of aviation equipment; the resistance monitoring system is added on the existing lifting platform, and is adopted to monitor the resistance, so that the resistance change between the load and the hanger in the lifting process can be perceived in real time in the mounting and lifting process, and the maximum load threshold value is set; when the resistance change of any one sensor or the sum of the resistance changes of all the sensors exceeds the value, a control module in the resistance monitoring system can make a decision to control the lifting executing mechanism to stop lifting in time, readjust the posture, and after the resistance is released, the control module controls the executing mechanism to resume normal work; by adopting the lifting system and the lifting method, the damage risk of the loading padlock into the groove and the clamping stagnation in the guide groove to the aircraft can be effectively solved, and the safety of the aircraft lifting and hanging process is greatly improved.

Description

Lifting system and method for improving lifting hanging safety of airplane
Technical Field
The invention relates to the technical field of aviation equipment, in particular to a lifting system and a lifting method for improving the lifting hanging safety of an airplane.
Background
Aircraft need to quickly mount a large number of payloads to meet the need for quickly performing a flight mission. The aircraft belly hanging has certain specificity, the lifting device can send the load padlock into the guide slot in the vertical direction, and the hanging point at the uppermost layer can be reached by a long stroke, the hanging mode has the following problems that 1) the requirement on the slot entering precision is high, and if the precision has errors, the padlock impacts the aircraft; 2) The attitude environments of the airplane and the equipment are complex, uncontrollable factors exist in the guide groove stroke of the padlock, and the risk of jamming can occur, so that the airplane is damaged.
The conventional hanging operation system is shown in fig. 1, a transport vehicle is used for transporting a hanging load to a designated position of an airplane belly, a lifting mechanism lifts the hanging load to a certain height, a padlock enters a guide groove of a hanger from an inlet of the guide groove, the padlock lifts to a highest hanging point position along the guide groove, the hanging of the load at the highest position is completed, and the steps are repeated to complete hanging of a plurality of loads.
However, the device has the following problems that when the padlock enters the inlet of the guide groove, the accuracy requirement is high, and when the padlock exceeds the error range, the padlock can collide with the hanger, so that the aircraft is damaged; when the padlock ascends in the guide groove, the attitude environments of the airplane and equipment are complex, uncontrollable factors exist in the stroke of the padlock in the guide groove, and the padlock and the guide groove can possibly have jamming risks, so that the airplane is damaged.
Disclosure of Invention
The invention aims to provide a lifting system and a lifting method for improving the mounting safety of an aircraft, so as to solve the problems in the prior art.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
The lifting system for improving the mounting safety of the aircraft comprises a lifting platform, a hanging frame device and a resistance monitoring system, wherein the lifting platform is used for rapidly mounting an aircraft load on the belly of the aircraft through the hanging frame device, and the resistance monitoring system is used for monitoring the resistance between the load and the hanging frame in real time and controlling the lifting process of the lifting platform according to whether the acquired resistance is abnormal or not; the resistance monitoring system comprises a pressure sensor and a control module, wherein the lifting platform comprises a lifting power mechanism, a gesture adjusting platform, a tray for bearing a load and the pressure sensor arranged on the gesture adjusting platform; the tray is arranged on the gesture adjusting platform, and the gesture adjusting platform is arranged on the lifting power mechanism; the control module is connected with the pressure sensor and the lifting power mechanism; the hanger device is arranged on the abdomen of the aircraft.
Preferably, the lifting system is divided into two symmetrical lifting platforms, a hanger device and a resistance monitoring system.
Preferably, the hanging rack device comprises a hanging rack, a padlock and a guide groove, wherein the guide groove is vertically arranged on the hanging rack, and the padlock can move along the guide groove; and the load on the lifting platform is mounted on the guide groove through the padlock, and the load is lifted to the highest hanging point of the guide groove from the inlet of the guide groove at the lowest point of the guide groove.
Preferably, four sensors are arranged on each lifting platform and are respectively positioned at the left side and the right side of the gesture adjusting platform, and the four sensors are specifically a first sensor, a second sensor, a third sensor and a fourth sensor, wherein the first sensor and the second sensor are respectively positioned at the front end and the rear end of the left side of the gesture adjusting platform; the third sensor and the fourth sensor are respectively positioned at the front end and the rear end of the right side of the gesture adjusting platform.
Preferably, the lifting power mechanism adopts a hydraulic actuating mechanism.
Another object of the present invention is to provide a lifting method for improving the safety of an aircraft hanging, which comprises the following steps:
S1, moving a lifting platform to an aircraft load hanging designated position, then hanging the load on the lifting platform on the hanging frame device through a padlock, recording an initial pressure value received by a pressure sensor at the moment, and sending the value to the control module;
S2, along with the upward lifting process of the load along the guide groove of the hanger, a pressure sensor arranged on the lifting platform detects a real-time pressure value between the load and the guide groove in the lifting process in real time, and sends the real-time pressure value to the control module;
S3, the control module compares the received real-time pressure value with the initial pressure value to obtain threshold value data, compares the threshold value data with a maximum load threshold value set in the system, and makes a control decision;
s4, the lifting platform responds to the control decision, the lifting executing mechanism stops or continues to work, wherein when the lifting executing mechanism stops working, the posture of the lifting platform is adjusted, and the lifting platform continues to work after the control module gives a work restoration instruction;
s5, repeating the steps S2-S4 until the load is lifted to the highest point of the guide groove.
Preferably, a maximum load threshold value is set between the step S2 and the step S3, and the maximum load threshold value is 50-150 kg.
Preferably, the step S3 specifically includes:
Comparing the threshold value data with a maximum load threshold value, and when all the threshold value data are not larger than the maximum load threshold value, making no instruction by the control module, and continuing to lift the load by the lifting executing mechanism;
when any one of the threshold value data is larger than the maximum load threshold value, the control module makes an instruction for stopping the lifting process, and controls the lifting executing mechanism to stop the load lifting process.
Preferably, the threshold value data includes the sum of the threshold value of each sensor and the threshold values of all sensors, and the real-time pressure value of each sensor is differenced from the initial pressure value of the sensor to obtain the threshold value of each sensor; and (3) carrying out difference between the sum of the real-time pressure values of all the sensors and the sum of the initial pressure values of all the sensors to obtain the sum of the threshold values of all the sensors.
Preferably, in step S4, adjusting the posture of the lifting platform includes moving the tray back and forth and adjusting the pitch angle direction and the size of the posture adjustment platform, where the pitch angle of the posture adjustment platform can be measured by using a gyro sensor of the lifting platform.
The beneficial effects of the invention are as follows:
the invention discloses a lifting system and a method for improving the lifting and hanging safety of an aircraft, wherein a resistance monitoring system is added on the existing lifting platform, so that the resistance change between a load and a hanging frame in the lifting process can be perceived in real time in the mounting and lifting process, when the resistance is overlarge or abnormal, the lifting can be stopped in time, the posture is adjusted, the resistance is relieved, the normal work is recovered, and the damage risk caused by the loading padlock entering a groove and clamping stagnation in a guide groove to the aircraft is solved.
Drawings
FIG. 1 is a schematic view of a lifting system for improving the safety of lifting and hanging an aircraft provided in example 1;
FIG. 2 is a schematic view of the arrangement of pressure sensors for improving the safety of lifting and hanging an aircraft provided in example 1;
1 is the highest hanging point, 2 is a guide groove, 3 is a hanging rack, 4 is a guide groove inlet, 5 is a transport vehicle, 6 is a lifting mechanism, 7 is a posture adjustment platform, 8 is a tray, 9 is a hanging load, 10 is a padlock, 11 is a first left sensor, 12 is a second left sensor, 13 is a left lifting platform, 14 is a third left sensor, 15 is a fourth left sensor, 16 is a first right sensor, 17 is a second right sensor, 18 is a right lifting platform, 19 is a third right sensor, and 20 is a fourth right sensor;
fig. 3 is a schematic view of a process of performing safe lifting using the lifting system in embodiment 1.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention, and that the pressures and resistances described herein are all interactions between the lifting platform and the hanger means as detected by the sensors.
Example 1
The embodiment provides a lifting system for improving the mounting safety of an aircraft, which comprises a lifting platform, a hanging frame device and a resistance monitoring system, wherein the lifting platform is used for rapidly mounting an aircraft load on the belly of the aircraft through the hanging frame device, and the resistance monitoring system is used for monitoring the resistance between the load and the hanging frame in real time and controlling the lifting process of the lifting platform according to whether the acquired resistance is abnormal or not; the resistance monitoring system comprises a pressure sensor and a control module, wherein the lifting platform comprises a lifting power mechanism, a gesture adjusting platform, a tray for bearing a load and the pressure sensor arranged on the gesture adjusting platform; the tray is arranged on the gesture adjusting platform, and the gesture adjusting platform is arranged on the lifting power mechanism; the control module is connected with the pressure sensor and the lifting power mechanism; the hanger device is arranged on the abdomen of the aircraft.
As shown in fig. 1, the lifting system in this embodiment is divided into two symmetrical lifting platforms, a hanger device and a resistance monitoring system.
The hanging rack device comprises a hanging rack, a padlock and a guide groove, wherein the guide groove is vertically arranged on the hanging rack, and the padlock can move along the guide groove; and the load on the lifting platform is mounted on the guide groove through the padlock, and the load is lifted to the highest hanging point of the guide groove from the inlet of the guide groove at the lowest point of the guide groove.
As shown in fig. 2, four sensors are disposed on each lifting platform and are respectively located at the left side and the right side of the gesture adjusting platform, specifically a first sensor, a second sensor, a third sensor and a fourth sensor, wherein the first sensor and the second sensor are respectively located at the front end and the rear end of the left side of the gesture adjusting platform; the third sensor and the fourth sensor are respectively positioned at the front end and the rear end of the right side of the gesture adjusting platform.
The lifting power mechanism in the embodiment adopts a hydraulic actuating mechanism, and a gyro sensor is also arranged on the lifting platform and is used for measuring the pitch angle of the lifting platform.
Example 2
The embodiment provides a lifting method for improving the safety of an aircraft hanging, which adopts the lifting system for improving the safety of the aircraft hanging described in the embodiment 1, as shown in fig. 3, and mainly comprises the following steps:
S1, moving a lifting platform to an aircraft load hanging designated position, then hanging the load on the lifting platform on the hanging frame device through a padlock, recording an initial pressure value received by a pressure sensor at the moment, and sending the value to the control module;
S2, along with the upward lifting process of the load along the guide groove of the hanger, a pressure sensor arranged on the lifting platform detects a real-time pressure value between the load and the guide groove in the lifting process in real time, and sends the real-time pressure value to the control module;
S3, the control module compares the received real-time pressure value with the initial pressure value to obtain threshold value data, compares the threshold value data with a maximum load threshold value set in the system, and makes a control decision;
s4, the lifting platform responds to the control decision, the lifting executing mechanism stops or continues to work, wherein when the lifting executing mechanism stops working, the posture of the lifting platform is adjusted, and the lifting platform continues to work after the control module gives a work restoration instruction;
S5, repeating the steps S2-S4 until the load is lifted to the highest point of the guide groove, and repeating the steps S1-S4 if a plurality of loads are hung.
And a maximum load threshold value is set between the step S2 and the step S3, and the maximum load threshold value is 50-150 kg and is adjusted according to actual needs.
The step S3 specifically includes:
Comparing the threshold value data with a maximum load threshold value, and when all the threshold value data are not larger than the maximum load threshold value, making no instruction by the control module, and continuing to lift the load by the lifting executing mechanism;
when any one of the threshold value data is larger than the maximum load threshold value, the control module makes an instruction for stopping the lifting process, and controls the lifting executing mechanism to stop the load lifting process.
The threshold value data in this embodiment includes the sum of the threshold value of each sensor and the threshold values of all sensors, and the real-time pressure value of each sensor is differenced from the initial pressure value of the sensor to obtain the threshold value of each sensor; and (3) carrying out difference between the sum of the real-time pressure values of all the sensors and the sum of the initial pressure values of all the sensors to obtain the sum of the threshold values of all the sensors.
In this embodiment, the stopping of the lifting executing mechanism in step S4 is specifically that the hydraulic executing mechanism releases pressure, and adjusting the posture of the lifting platform includes moving the tray back and forth and adjusting the pitch angle direction and the size of the posture adjusting platform, where the pitch angle of the posture adjusting platform can be measured by using a gyro sensor of the lifting platform.
Detailed Description
The lifting system in embodiment 1 is adopted to carry out a complete mounting process, which comprises the following steps: firstly, the whole lifting platform is transported to a designated position of the belly of an airplane through a transport vehicle, then a lifting power mechanism is adopted to lift the load in the tray to a certain height, a padlock on the load enters the guide groove of the hanging frame device from the bottommost end (guide groove inlet) of the guide groove, along with the continuous lifting process of the lifting platform, the padlock is lifted to the highest hanging point position along the guide groove, the hanging of the load at the highest position is completed, and the steps are repeated to complete the hanging of a plurality of loads.
By adopting the technical scheme disclosed by the invention, the following beneficial effects are obtained:
The invention discloses a lifting system for improving the lifting and hanging safety of an airplane, which is characterized in that a resistance sensing system is added on the existing lifting platform, so that the resistance change between a load and a hanging frame in the lifting process can be sensed in real time in the lifting process of the mounting, when the resistance is overlarge or abnormal, the lifting can be stopped in time, the posture is adjusted, the resistance is relieved, the normal work is recovered, and the damage risk caused by the loading padlock entering a groove and jamming in a guide groove to the airplane is solved.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which is also intended to be covered by the present invention.

Claims (5)

1. The lifting method for improving the aircraft hanging safety by using the lifting device for improving the aircraft hanging safety is characterized by comprising a lifting platform, a hanging frame device and a resistance monitoring system, wherein the lifting platform is used for quickly mounting an aircraft load on the belly of an aircraft through the hanging frame device, and the resistance monitoring system is used for monitoring the resistance between the load and the hanging frame in real time and controlling the lifting process of the lifting platform according to whether the acquired resistance is abnormal or not; the resistance monitoring system comprises a pressure sensor and a control module, wherein the lifting platform comprises a lifting power mechanism, a gesture adjusting platform, a tray for bearing a load and the pressure sensor arranged on the gesture adjusting platform; the tray is arranged on the gesture adjusting platform, and the gesture adjusting platform is arranged on the lifting power mechanism; the control module is connected with the pressure sensor and the lifting power mechanism; the hanger device is arranged at the abdomen of the aircraft;
The lifting device is divided into two symmetrical lifting platforms, a hanging frame device and a resistance monitoring system;
the hanging rack device comprises a hanging rack, a padlock and a guide groove, wherein the guide groove is vertically arranged on the hanging rack, and the padlock can move along the guide groove; the load on the lifting platform is mounted on the guide groove through the padlock, and the load is lifted to the highest hanging point of the guide groove from the inlet of the guide groove at the lowest point of the guide groove;
Four sensors are arranged on each lifting platform and are respectively positioned at the left side and the right side of the gesture adjusting platform, namely a first sensor, a second sensor, a third sensor and a fourth sensor, wherein the first sensor and the second sensor are respectively positioned at the front end and the rear end of the left side of the gesture adjusting platform; the third sensor and the fourth sensor are respectively positioned at the front end and the rear end of the right side of the gesture adjusting platform;
the lifting method comprises the following steps:
S1, moving a lifting platform to an aircraft load hanging designated position, then hanging the load on the lifting platform on the hanging frame device through a padlock, recording an initial pressure value received by a pressure sensor at the moment, and sending the value to the control module;
S2, along with the upward lifting process of the load along the guide groove of the hanger, a pressure sensor arranged on the lifting platform detects a real-time pressure value between the load and the guide groove in the lifting process in real time, and sends the real-time pressure value to the control module;
S3, the control module compares the received real-time pressure value with the initial pressure value to obtain threshold value data, compares the threshold value data with a maximum load threshold value set in the system, and makes a control decision; the step S3 specifically includes:
Comparing the threshold value data with a maximum load threshold value, and when all the threshold value data are not larger than the maximum load threshold value, making no instruction by the control module, and continuing to lift the load by the lifting executing mechanism;
When any one of the threshold value data is larger than the maximum load threshold value, the control module makes an instruction for stopping the lifting process and controls the lifting executing mechanism to stop the load lifting process;
s4, the lifting platform responds to the control decision, the lifting executing mechanism stops or continues to work, wherein when the lifting executing mechanism stops working, the posture of the lifting platform is adjusted, and the lifting platform continues to work after the control module gives a work restoration instruction;
s5, repeating the steps S2-S4 until the load is lifted to the highest point of the guide groove.
2. The lifting method for improving aircraft mounting safety by using the lifting device for improving aircraft mounting safety according to claim 1, wherein the lifting power mechanism adopts a hydraulic actuating mechanism.
3. The lifting method for improving the aircraft hanging safety by using the lifting device for improving the aircraft hanging safety according to claim 1, wherein a maximum load threshold value is set between the step S2 and the step S3, and the maximum load threshold value is 50-150 kg.
4. The lifting method for improving aircraft mounting safety by using a lifting device for improving aircraft mounting safety according to claim 1, wherein the threshold value data comprises a sum of a threshold value of each sensor and a threshold value of all sensors, and the threshold value of each sensor is obtained by making a difference between a real-time pressure value of each sensor and an initial pressure value of the sensor; and (3) carrying out difference between the sum of the real-time pressure values of all the sensors and the sum of the initial pressure values of all the sensors to obtain the sum of the threshold values of all the sensors.
5. The lifting method for improving aircraft mounting safety by using the lifting device for improving aircraft mounting safety according to claim 3, wherein adjusting the posture of the lifting platform in step S4 comprises moving the tray back and forth and adjusting the pitch angle direction and the size of the posture adjustment platform.
CN202110412869.7A 2021-04-16 2021-04-16 Lifting system and method for improving lifting hanging safety of airplane Active CN112978614B (en)

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CN112978614B true CN112978614B (en) 2024-07-23

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN216377334U (en) * 2021-04-16 2022-04-26 北京安达维尔航空设备有限公司 Lifting system for improving safety of lifting and hanging of airplane

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101492831B1 (en) * 2013-08-01 2015-02-11 한국항공우주산업 주식회사 Cargo Hook Load manifesting system of Helicopter having a Load Correcting Function and Controlling Method for the Same
CN204508617U (en) * 2014-12-31 2015-07-29 四川航泰航空装备有限公司 A kind of aircraft bomb truck
KR102017136B1 (en) * 2017-12-26 2019-09-02 주식회사 한화 Lifting device for installation of external stores onto aircraft
CN110641708B (en) * 2019-10-14 2025-01-24 北京安达维尔航空设备有限公司 A mounting device for improving aircraft mounting efficiency
CN110895183B (en) * 2019-11-28 2021-05-25 北京机电工程研究所 A transfer device and test system in the vibration test of an aircraft externally mounted aircraft
CN111977014B (en) * 2020-07-16 2023-09-19 芜湖天航装备技术有限公司 Auxiliary bullet hanging device of aviation catapulting device and hanging method thereof

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN216377334U (en) * 2021-04-16 2022-04-26 北京安达维尔航空设备有限公司 Lifting system for improving safety of lifting and hanging of airplane

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