CN107322595A - A kind of double-crawler type emergency rescue robot and control method - Google Patents

A kind of double-crawler type emergency rescue robot and control method Download PDF

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Publication number
CN107322595A
CN107322595A CN201710502712.7A CN201710502712A CN107322595A CN 107322595 A CN107322595 A CN 107322595A CN 201710502712 A CN201710502712 A CN 201710502712A CN 107322595 A CN107322595 A CN 107322595A
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CN
China
Prior art keywords
double
emergency rescue
type emergency
crawler type
rescue robot
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710502712.7A
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Chinese (zh)
Inventor
柯文德
古顺东
张晋伟
陈紫娟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong University of Petrochemical Technology
Original Assignee
Guangdong University of Petrochemical Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong University of Petrochemical Technology filed Critical Guangdong University of Petrochemical Technology
Priority to CN201710502712.7A priority Critical patent/CN107322595A/en
Publication of CN107322595A publication Critical patent/CN107322595A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25JMANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J9/00Programme-controlled manipulators
    • B25J9/16Programme controls
    • B25J9/1679Programme controls characterised by the tasks executed
    • B25J9/1689Teleoperation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25JMANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J11/00Manipulators not otherwise provided for
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25JMANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J9/00Programme-controlled manipulators
    • B25J9/16Programme controls
    • B25J9/1679Programme controls characterised by the tasks executed
    • B25J9/1682Dual arm manipulator; Coordination of several manipulators
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25JMANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J9/00Programme-controlled manipulators
    • B25J9/16Programme controls
    • B25J9/1694Programme controls characterised by use of sensors other than normal servo-feedback from position, speed or acceleration sensors, perception control, multi-sensor controlled systems, sensor fusion
    • B25J9/1697Vision controlled systems

Abstract

The present invention discloses a kind of double-crawler type emergency rescue robot, including:The pedrail mechanism of left and right two, 4 DC speed-reducings, the chassis being connected between two pedrail mechanisms in left and right;The chassis and the junction of two crawler belts in the left and right are provided with downwardly projecting part;The DC speed-reducing is bolted and the downwardly projecting part;The chassis lower surface is provided with multiple sensors, microcontroller, image transmission system;The chassis upper surface is provided with double mechanical arms mechanism;The invention also discloses a kind of double-crawler type emergency rescue robot and control method.Double-crawler type emergency rescue robot provided in an embodiment of the present invention has both arms, two hands coordination operation function, and both hands operation, which can improve load, can also complete more actions, and the present invention is more intelligent, prevents both arms to interfere with each other.The long-range execute-in-place of the present invention will more ensure the safety and mechanical flexibility ratio of rescue personnel.

Description

A kind of double-crawler type emergency rescue robot and control method
Technical field
The present invention relates to intelligent rescue aid technical field, specifically, more particularly to a kind of double-crawler type rescue Robot and control method.
Background technology
At present, in various natural calamities and major accident scene, machine can be with electronic force driving machine tool arm, wheel type machine fortune Scanning frequency degree, which can faster add, quickly reaches disaster field.Shearing, broken, cutting, expansion, crawl can be realized in the ruins that cave in Deng operation, it is possible to carry out life detection etc..Implement Quick rescue, people's lives and properties are rescued in maximum efficiency.
Present rescue and relief work caterpillar type robot has that intelligence degree is low, adaptive ability is poor, application field limitation, The defects such as exploitation and composition cost is high, inefficiency (application of Single Mechanical arm, no multisensor syste etc.).
The content of the invention
In order to solve problem of the prior art, the embodiments of the invention provide a kind of double-crawler type emergency rescue robot with And control method.The technical scheme is as follows:
On the one hand there is provided a kind of double-crawler type emergency rescue robot, it is characterised in that including:The crawler belt of left and right two Mechanism, 4 DC speed-reducings, the chassis being connected between two pedrail mechanisms in left and right;
The chassis and the junction of two crawler belts in the left and right are provided with downwardly projecting part;The DC speed-reducing It is bolted and the downwardly projecting part;
The chassis lower surface is provided with multiple sensors, microcontroller, image transmission system;The chassis upper surface is provided with Double mechanical arms mechanism.
Alternatively, the material on the chassis is aluminium alloy, shape class cuboid, and is provided with lid, the upper lid can from Main dismounting.
Alternatively, the pedrail mechanism includes crawler belt, grouser and Athey wheel;2 Athey wheels of homonymy are carried out with described The grouser is provided with band engagement link, the crawler belt supporting surface;The two pedrail mechanism symmetrical configurations in the left and right.
Alternatively, each pedrail mechanism is mounted on a crawler belt;Each crawler belt is fitted with being used to mitigate car body shake 7 dampers of effect that is dynamic and facilitating crawler belt installing/dismounting.
Alternatively, the multiple sensor is arranged on bottom plate by different directions, diverse location;
Multiple sensors are respectively that 2 MQ-2 smog gas sensors modules are used for detecting methane, liquefied gas fuel gas, 2 MQ-5 liquefaction natural gas town gas sensor assemblies, 2 MQ-7 carbon monoxide transducer modules;
6 sensor point two ends are in the layout of the tray bottom in cruciformity, symmetrical.
Alternatively, the double mechanical arms mechanism includes 2 6DOF manipulators, 2 gripper accessories and mechanical arm bottom Seat;The mechanical arm base is fixed on front, each one of left and right on chassis;The mechanical arm mechanism connects micro-control by signal wire Device processed;Front end robot arm mechanism installs the accessory realized and cut, crush, cutting, expanding, capturing various motion.
On the other hand there is provided a kind of double-crawler type emergency rescue robot control method, including:
After STM32 chip carrying UCOS systems, using UCOS systems each power and energy into a single line Journey, multithreading work;
Into task scheduling system, UCOS system calls are given by the CPU rights to use of STM32 chips, and create multiple Business;The respective thread of each Charge-de-Mission;Data between each thread set up exchange.
Alternatively, then the STM32 chips are opened by the brightness outside light sensor detection by control relay Open major light.
Alternatively, the STM32 chips connect each mechanical arm by signal wire.
Alternatively, the STM32 chips receive the data of serial ports one, then again by the data by serial ports two by data Send to ARDUINO control machinery arms.
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is:
Double-crawler type emergency rescue robot provided in an embodiment of the present invention has both arms, two hands coordination operation function, just Than two hands of thing that such as one hand of the mankind can be done are few, and both hands operation, which can improve load, can also complete more actions, the present invention It is more intelligent, prevent both arms to interfere with each other.
The present invention enters after dark surrounds, can open major light auxiliary camera.Camera can remote transmission to control end; Control end can remote control double mechanical arms.The long-range execute-in-place of the present invention will more ensure the safety and machinery of rescue personnel Flexibility ratio;Manipulator of the present invention realizes the various motion such as shearing, broken, cutting, expansion, crawl after replacing.The present invention is also With life detection function.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, makes required in being described below to embodiment Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings Accompanying drawing.
Fig. 1 is a kind of double-crawler type emergency rescue robot structural representation that the embodiment of the present invention one is provided;
Fig. 2 is the pedrail mechanism schematic diagram that the embodiment of the present invention one is provided;
Fig. 3 is multiple sensor schematics that the embodiment of the present invention one is provided;
Fig. 4 is the double mechanical arms mechanism map that the embodiment of the present invention one is provided;
Fig. 5 is a kind of flow chart for double-crawler type emergency rescue robot control method that the embodiment of the present invention two is provided.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention Formula is described in further detail.
The invention provides a kind of double-crawler type emergency rescue robot, referring to Fig. 1, including:The pedrail mechanism of left and right two 1st, 4 DC speed-reducings, the chassis 2 being connected between two pedrail mechanisms in left and right;
The chassis 2 and the junction of two crawler belts 1 in the left and right are provided with downwardly projecting part;The direct current slows down electric Machine is bolted and the downwardly projecting part;
The lower surface of chassis 2 is provided with multiple sensors 3, microcontroller, image transmission system;Install the chassis upper surface There is double mechanical arms mechanism 4.
Specifically, in the present embodiment, using 24V DC speed-reducings.
Alternatively, the material on the chassis 2 is aluminium alloy, shape class cuboid, and is provided with lid, the upper lid can from Main dismounting.
Alternatively, referring to Fig. 2, the pedrail mechanism 1 includes crawler belt 11, grouser 12 and Athey wheel 13;Described in homonymy 2 Athey wheel 13 is engaged with the crawler belt 11 and linked, and the grouser 12 is provided with the supporting surface of crawler belt 11, is difficult to skid, traction Adhesion property is good, is conducive to playing larger tractive force, the pedrail mechanism symmetrical configuration of left and right two;Two tracked machines in the left and right Structure symmetrical configuration.
Alternatively, each pedrail mechanism is mounted on a crawler belt;Each crawler belt is fitted with being used to mitigate car body shake 7 dampers of effect that is dynamic and facilitating crawler belt installing/dismounting.
Alternatively, the multiple sensor 3 is arranged on bottom plate by different directions, diverse location;
Multiple sensors are respectively that 2 MQ-2 smog gas sensors modules are used for detecting methane, liquefied gas fuel gas, 2 MQ-5 liquefaction natural gas town gas sensor assemblies, 2 MQ-7 carbon monoxide transducer modules;
Referring to Fig. 3,6 sensors, 3 points of two ends are in the layout of the tray bottom in cruciformity, symmetrical.
Specifically, multiple sensors are respectively that 2 MQ-2 smog gas sensors modules are used for detecting that methane, liquefied gas can Combustion gas body, 2 MQ-5 liquefaction natural gas town gas sensor assemblies, 2 MQ-7 carbon monoxide transducer modules work as sensing When there is fuel gas in device local environment, the electrical conductivity of sensor increases with the increase of combustable gas concentration in air, makes The change of electrical conductivity can be converted to the output signal corresponding with the gas concentration with simple circuit;6 sensors point Two ends are in the layout of tray bottom in cruciformity, symmetrical, and series is different per operative sensor, and this layout is to increase Big detection space, improves the accuracy of detection.
Alternatively, referring to Fig. 4, the double mechanical arms mechanism 4 includes 2 6DOF manipulators 41,2 gripper accessories 42 and mechanical arm base 43;The mechanical arm base 43 is fixed on front, each one of left and right on chassis 2;The mechanical arm machine Structure connects microcontroller by signal wire;Front end robot arm mechanism installs realization and cuts, crushes, cutting, expanding, capturing a variety of move The accessory of work.
Specifically, preprogrammed instruction control machinery hand, pawl can be sent by terminal interface in the present embodiment to act, machinery Pawl is arranged on manipulator front end, and gripper has different accessories, can be achieved to shear, crush, cutting, expanding respectively, capture it is a variety of Function, gripper accessory easy installation and removal, the mechanism improves the efficiency of rescue, realizes the complex class people in bionics Holding function, can replace the mankind implementing rescue of exploring to the hazardous environment that people's secondary injury is big or people can not touch, reduce Casualties.
In the present embodiment, hardware system is many sensing systems of peripheral hardware output connection using STM32 microcontrollers as core System, motor driving, image transmission system etc., multiple Smoke Sensors under chassis gather operating environment gas concentration situation of speedily carrying out rescue work and passed through Host computer is wirelessly transferred back, if the pre-set value that gas concentration exceedes people will produce alarm, so that people are to hazardous environment Take measures on customs clearance;Robot front end is equipped with two illuminating lamps and camera, and conveniently opening lamp in dark surrounds still can be danger Dangerous environment information is wirelessly transferred back terminal by the form of video;Double mechanical arms mechanism on chassis is located at robot front end Part, symmetrical (seeing figure in detail), does not interfere with each other, and greatly improves the efficiency of operation.
Embodiment two
The invention provides a kind of double-crawler type emergency rescue robot control method, referring to Fig. 5, including:
S100:After STM32 chip carrying UCOS systems, using UCOS systems each power and energy into single one Individual thread, multithreading work;
S200:Into task scheduling system, UCOS system calls are given by the CPU rights to use of STM32 chips, and create many Individual task;The respective thread of each Charge-de-Mission;Data between each thread set up exchange.
Alternatively, then the STM32 chips are opened by the brightness outside light sensor detection by control relay Open major light.
Alternatively, the STM32 chips connect each mechanical arm by signal wire.
Alternatively, the STM32 chips receive the data of serial ports one, then again by the data by serial ports two by data Send to ARDUINO control machinery arms.
Further, when human testing, the human response constantly around detection;
STM32 detects surrounding environment by sensor;
STM32 sends the information of surrounding environment by serial ports one to control end, judges whether to enter rescue for people;
STM32 controls driver motor, allows machine to move;
Infrared obstacle avoidance module and prevent hanging module, the in automatic mode automatic obstacle avoiding when robot runs into obstacle;Work as inspection Then robot stop motion when measuring hanging, prevents robot from falling damage.
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is:
Double-crawler type emergency rescue robot provided in an embodiment of the present invention has both arms, two hands coordination operation function, just Than two hands of thing that such as one hand of the mankind can be done are few, and both hands operation, which can improve load, can also complete more actions, the present invention It is more intelligent, prevent both arms to interfere with each other.
The present invention enters after dark surrounds, can open major light auxiliary camera.Camera can remote transmission to control end; Control end can remote control double mechanical arms.The long-range execute-in-place of the present invention will more ensure the safety and machinery of rescue personnel Flexibility ratio;Manipulator of the present invention realizes the various motion such as shearing, broken, cutting, expansion, crawl after replacing.The present invention is also With life detection function.
Presently preferred embodiments of the present invention is these are only, is not intended to limit the invention, it is all in the spirit and principles in the present invention Within, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.

Claims (10)

1. a kind of double-crawler type emergency rescue robot, it is characterised in that including:The pedrail mechanism of left and right two, 4 direct currents slow down Motor, the chassis being connected between two pedrail mechanisms in left and right;
The chassis and the junction of two crawler belts in the left and right are provided with downwardly projecting part;The DC speed-reducing passes through Bolt is fixed and the downwardly projecting part;
The chassis lower surface is provided with multiple sensors, microcontroller, image transmission system;The chassis upper surface is provided with two-shipper Tool arm mechanism.
2. double-crawler type emergency rescue robot as claimed in claim 1, it is characterised in that the material on the chassis closes for aluminium Gold, shape class cuboid, and lid is provided with, the upper lid can be dismantled independently.
3. double-crawler type emergency rescue robot as claimed in claim 2, it is characterised in that the pedrail mechanism includes carrying out Band, grouser and Athey wheel;2 Athey wheels of homonymy are engaged with the crawler belt to be linked, and is provided with the crawler belt supporting surface The grouser;The two pedrail mechanism symmetrical configurations in the left and right.
4. double-crawler type emergency rescue robot as claimed in claim 3, it is characterised in that each pedrail mechanism is mounted on One crawler belt;Each crawler belt is fitted with for mitigating car body vibrations and facilitating 7 of effect of crawler belt installing/dismounting to subtract Shake device.
5. double-crawler type emergency rescue robot as claimed in claim 4, it is characterised in that the multiple sensor is by difference Direction, diverse location are arranged on bottom plate;
Multiple sensors are respectively that 2 MQ-2 smog gas sensors modules are used for detecting methane, liquefied gas fuel gas, 2 MQ-5 liquefaction natural gas town gas sensor assemblies, 2 MQ-7 carbon monoxide transducer modules;
6 sensor point two ends are in the layout of the tray bottom in cruciformity, symmetrical.
6. double-crawler type emergency rescue robot as claimed in claim 5, it is characterised in that the double mechanical arms mechanism includes 2 6DOF manipulators, 2 gripper accessories and mechanical arm base;The mechanical arm base is fixed on front on chassis, Each one of left and right;The mechanical arm mechanism connects microcontroller by signal wire;Front end robot arm mechanism installs realization and cuts, breaks Broken, cutting, expansion, the accessory of crawl various motion.
7. a kind of double-crawler type emergency rescue robot control method, it is characterised in that including:
It is many using UCOS systems each power and energy into a single thread after STM32 chip carrying UCOS systems Thread work;
Into task scheduling system, UCOS system calls are given by the CPU rights to use of STM32 chips, and create multiple tasks;Respectively The individual respective thread of Charge-de-Mission;Data between each thread set up exchange.
8. double-crawler type emergency rescue robot control method as claimed in claim 7, it is characterised in that the STM32 cores Then piece opens major light by the brightness outside light sensor detection by control relay.
9. double-crawler type emergency rescue robot control method as claimed in claim 8, it is characterised in that the STM32 cores Piece connects each mechanical arm by signal wire.
10. double-crawler type emergency rescue robot control method as claimed in claim 9, it is characterised in that the STM32 cores Piece receives the data of serial ports one, and the data then are sent data into ARDUINO control machinery arms by serial ports two again.
CN201710502712.7A 2017-06-27 2017-06-27 A kind of double-crawler type emergency rescue robot and control method Pending CN107322595A (en)

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Application Number Priority Date Filing Date Title
CN201710502712.7A CN107322595A (en) 2017-06-27 2017-06-27 A kind of double-crawler type emergency rescue robot and control method

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109434796A (en) * 2018-10-31 2019-03-08 安徽工程大学 A kind of crawler type forcible entry firefighting robot
CN110978000A (en) * 2019-11-25 2020-04-10 燕山大学 Connecting rod type multi-arm rescue robot
CN112276901A (en) * 2020-10-30 2021-01-29 北京市安全生产科学技术研究院 Large-load emergency rescue robot for complex environment

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101751038A (en) * 2008-12-05 2010-06-23 沈阳新松机器人自动化股份有限公司 Navigation control device of mobile robot
US20110240382A1 (en) * 2010-04-06 2011-10-06 Robotex Inc. Robotic system and method of use
WO2013122166A1 (en) * 2012-02-15 2013-08-22 日立建機株式会社 Dual-arm work machine
CN103818491A (en) * 2012-11-19 2014-05-28 青岛理工大学琴岛学院 Disaster relief robot
CN204076266U (en) * 2014-08-22 2015-01-07 滨州学院 A kind of Disaster Relief Robot and control device thereof
CN104667462A (en) * 2015-01-09 2015-06-03 广西大学 Fire-fighting robot
CN105818131A (en) * 2016-05-13 2016-08-03 李建纯 Special intelligent engineering emergency rescue and disaster relief vehicle
CN106671086A (en) * 2017-01-24 2017-05-17 中国人民解放军火箭军工程大学 Caterpillar type radiation monitoring robot and using method thereof
CN206899245U (en) * 2017-06-27 2018-01-19 广东石油化工学院 A kind of double-crawler type emergency rescue robot

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101751038A (en) * 2008-12-05 2010-06-23 沈阳新松机器人自动化股份有限公司 Navigation control device of mobile robot
US20110240382A1 (en) * 2010-04-06 2011-10-06 Robotex Inc. Robotic system and method of use
WO2013122166A1 (en) * 2012-02-15 2013-08-22 日立建機株式会社 Dual-arm work machine
CN103818491A (en) * 2012-11-19 2014-05-28 青岛理工大学琴岛学院 Disaster relief robot
CN204076266U (en) * 2014-08-22 2015-01-07 滨州学院 A kind of Disaster Relief Robot and control device thereof
CN104667462A (en) * 2015-01-09 2015-06-03 广西大学 Fire-fighting robot
CN105818131A (en) * 2016-05-13 2016-08-03 李建纯 Special intelligent engineering emergency rescue and disaster relief vehicle
CN106671086A (en) * 2017-01-24 2017-05-17 中国人民解放军火箭军工程大学 Caterpillar type radiation monitoring robot and using method thereof
CN206899245U (en) * 2017-06-27 2018-01-19 广东石油化工学院 A kind of double-crawler type emergency rescue robot

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
姚秋平: "《永磁式油罐爬壁机器人研制》", 《广东石油化工学院学报》 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109434796A (en) * 2018-10-31 2019-03-08 安徽工程大学 A kind of crawler type forcible entry firefighting robot
CN110978000A (en) * 2019-11-25 2020-04-10 燕山大学 Connecting rod type multi-arm rescue robot
CN112276901A (en) * 2020-10-30 2021-01-29 北京市安全生产科学技术研究院 Large-load emergency rescue robot for complex environment

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Application publication date: 20171107