CN204296897U - Variable parallelogram crawler type in-pipe Work robot - Google Patents

Variable parallelogram crawler type in-pipe Work robot Download PDF

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Publication number
CN204296897U
CN204296897U CN201420732990.3U CN201420732990U CN204296897U CN 204296897 U CN204296897 U CN 204296897U CN 201420732990 U CN201420732990 U CN 201420732990U CN 204296897 U CN204296897 U CN 204296897U
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double
pivot shaft
slider
support
swing arm
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CN201420732990.3U
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王黎喆
胡明
张阳
陈文华
张鹏
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Zhejiang University of Technology ZJUT
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Zhejiang University of Technology ZJUT
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Abstract

The utility model discloses a kind of variable parallelogram crawler type in-pipe Work robot.Existing pipe robot only adapts to reducing and the angle change of pipeline by buffer gear, adaptive capacity existing defects.The utility model comprises vehicle body component, double-slider suspended rack assembly and variable parallelogram track assembly; Three variable parallelogram track assemblies compress inner-walls of duct, each variable parallelogram track assembly is connected with vehicle body component by a double-slider suspended rack assembly, and variable parallelogram track assembly drives the relative vehicle body component of variable parallelogram track assembly launch or shrink; Double-slider suspended rack assembly comprises two double-slider mechanisms be oppositely arranged, and double-slider mechanism comprises the first crank, first connecting rod, the second crank, second connecting rod and sliding sleeve.The utility model can adjust crawler belt shape automatically, thus is effectively increased in pipe the ability of crossing unknown obstacle and the crossing ability in various bend pipe and adapter bonnet.

Description

Variable parallelogram crawler type in-pipe Work robot
Technical field
The utility model belongs to robotics, relates to detecting robot of pipe, is specifically related to a kind of variable parallelogram crawler type in-pipe Work robot.
Background technology
Industrial piping system operating mode is very complicated, for ensureing that each plumbing system operates safely and efficiently, need apply pipe robot and carrying out pipe interior detection.Existing pipe robot can in the complicated in-pipe such as straight tube and U-tube and operation, but when adapter bonnet and each angle bend pipe, only adapted to reducing and the angle change of pipeline by buffer gear, its adaptive capacity exists critical defect.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, a kind of variable parallelogram crawler type in-pipe Work robot is proposed, this robot can according to inner-walls of duct actual condition, the crawler belt shape of the variable parallelogram track assembly of automatic adjustment, thus be effectively increased in pipe the ability of crossing unknown obstacle and the crossing ability in various bend pipe and adapter bonnet; Double-slider suspended rack assembly protects the crawler belt of this card robot all the time and inner-walls of duct has thrust, thus ensures the relative stability of robot movement in pipeline.
The technical solution adopted in the utility model is as follows:
The utility model comprises vehicle body component, double-slider suspended rack assembly and variable parallelogram track assembly.
Described vehicle body component comprises main pivot shaft, secondary pivot shaft fixed block, secondary pivot shaft, sleeve locating piece, secondary pivot shaft sleeve and stage clip.Described main pivot shaft and the two ends of three secondary pivot shafts respectively with one piece secondary pivot shaft fixed block affixed; Two pieces of sleeve locating piece centerings are nested with on main pivot shaft and three secondary pivot shafts, and affixed with main pivot shaft; The two ends of the secondary pivot shaft of every root are all equipped with secondary pivot shaft sleeve and stage clip, and one end of secondary pivot shaft sleeve contacts with corresponding sleeve locating piece, and one end of stage clip contacts with corresponding secondary pivot shaft fixed block.
Described double-slider suspended rack assembly comprises two double-slider mechanisms be oppositely arranged, and described double-slider mechanism comprises the first crank, first connecting rod, the second crank, second connecting rod and sliding sleeve.Three double-slider suspended rack assemblies are uniformly distributed along the circumference with the double-slider mechanism of one end; Hinged with all corresponding with the vehicle body component sleeve locating piece of the first crank of three double-slider mechanisms of one end and one end of the second crank; The two ends of the secondary pivot shaft of every root of vehicle body component are connected by sliding pair with the sliding sleeve of a double-slider mechanism respectively; The two ends of sliding sleeve contact with the other end of stage clip with secondary pivot shaft sleeve corresponding on secondary pivot shaft respectively; In same double-slider mechanism, one end of sliding sleeve and first connecting rod and second connecting rod is all hinged; The other end of the first crank and the second crank is hinged with the middle part of first connecting rod and second connecting rod respectively.
Described variable parallelogram track assembly comprises motor, the first support, the first finishing bevel gear cuter, the first swing arm, the second finishing bevel gear cuter, the first straight gear, the second straight gear, wheel shaft, drive pulley, crawler belt, the second support, driving pulley, Timing Belt, the first locating dowel pin, driven pulley, transmission shaft, the second swing arm and the second locating dowel pin.Three variable parallelogram track assemblies are uniformly distributed along the circumference, first support of each variable parallelogram track assembly is all hinged with the other end of two first connecting rods of corresponding double-slider suspended rack assembly, and the second support of each variable parallelogram track assembly is all hinged with the other end of two second connecting rods of corresponding double-slider suspended rack assembly.The two ends of described first support and the second support are all bearing on two transmission shafts by bearing, wherein a transmission shaft is hinged with driving pulley and the first swing arm, another root transmission shaft is hinged with driven pulley and the second swing arm, and the second finishing bevel gear cuter and the first straight gear are fixed on same transmission shaft; Described driving pulley is connected by Timing Belt with driven pulley; The first described finishing bevel gear cuter is fixed on the output shaft of motor, and forms gear pair with the second finishing bevel gear cuter; One end of two the first locating dowel pins is fixed on driving pulley and driven pulley respectively, and the other end is each passed through a position-limited trough at the second support two ends, and respectively with the first swing arm and the second swing arm affixed; One end of two the second locating dowel pins is fixed in the first swing arm and the second swing arm respectively, and the other end embeds in a position-limited trough at the first support two ends respectively; The two ends of described first swing arm and the second swing arm are all supported with wheel shaft by bearing, and four wheel shafts are all connected with drive pulley; The second described straight gear is fixed on a wheel shaft of the first straight gear, and forms gear pair with the first straight gear; Described crawler belt is nested with on four drive pulleys.
The second described support is hinged with tension wheel, described tension wheel tensioning Timing Belt.
The base of described motor is fixed on the motor cabinet of the first support.
The position-limited trough at described first support two ends and the position-limited trough at the second support two ends are oppositely arranged.
The beneficial effects of the utility model:
1, the utility model is by adaptive mode, adopts variable parallelogram track assembly and double-slider suspended rack assembly, guarantees it smoothly by the complicated pipeline such as bend pipe, adapter bonnet or the obstacle crossing the unknown in pipeline, has stronger obstacle climbing ability;
2, each variable parallelogram track assembly of the present utility model drives with motor respectively, as long as arbitrary motor normally works, pipe robot can realize mobile and operation, reduces the risk of robot clamping stagnation in the duct;
3, stage clip of the present utility model ensures that this robot has the ability automatically adapting to adapter bonnet, obstacle or bend pipe, and has the effect of buffering absorbing.
Accompanying drawing explanation
Fig. 1 is integral structure block diagram of the present utility model;
Fig. 2 is the assembly relation block diagram of vehicle body component in the utility model, double-slider suspended rack assembly and variable parallelogram track assembly;
Fig. 3 is the structural perspective of vehicle body component in the utility model;
Fig. 4 is the structural perspective of the double-slider mechanism in the utility model;
Fig. 5 is the structural perspective of variable parallelogram track assembly in the utility model;
Fig. 6 is each design of part block diagram of variable parallelogram track assembly in the utility model;
Fig. 7 is the Longitudinal cross section schematic of the utility model motoring condition in straight tube;
Fig. 8 is the cross sectional representation of the utility model motoring condition in straight tube;
Fig. 9 be the utility model in adapter bonnet or obstacle detouring time motoring condition schematic diagram;
Figure 10 is the schematic diagram of the utility model motoring condition in bend pipe.
In figure: 1, vehicle body component, 2, double-slider suspended rack assembly, 3, variable parallelogram track assembly; 1-1, main pivot shaft, 1-2, secondary pivot shaft fixed block, 1-3, secondary pivot shaft, 1-4, sleeve locating piece, 1-5, secondary pivot shaft sleeve, 1-6, stage clip; 2-1, the first crank, 2-2, first connecting rod, 2-3, the second crank, 2-4, second connecting rod, 2-5, sliding sleeve; 3-1, motor, 3-2, the first support, 3-3, the first finishing bevel gear cuter, 3-4, the first swing arm, 3-5, the second finishing bevel gear cuter, 3-6, the first straight gear, 3-7, the second straight gear, 3-8, wheel shaft, 3-9, drive pulley, 3-10, crawler belt, 3-11, the second support, 3-12, driving pulley, 3-13, Timing Belt, 3-14, tension wheel, 3-15, the first locating dowel pin, 3-16, driven pulley, 3-17, clutch shaft bearing, 3-18, the second bearing, 3-19, transmission shaft, 3-20, the second swing arm, 3-21, the second locating dowel pin.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As illustrated in fig. 1 and 2, variable parallelogram crawler type in-pipe Work robot, comprises vehicle body component 1, double-slider suspended rack assembly 2 and variable parallelogram track assembly 3.Three variable parallelogram track assemblies 3 compress inner-walls of duct, each variable parallelogram track assembly 3 is connected with vehicle body component 1 by a double-slider suspended rack assembly 2, and variable parallelogram track assembly 3 drives the relative vehicle body component 1 of variable parallelogram track assembly 3 launch or shrink.
As shown in Figure 3, vehicle body component 1 comprises main pivot shaft 1-1, secondary pivot shaft fixed block 1-2, secondary pivot shaft 1-3, sleeve locating piece 1-4, secondary pivot shaft sleeve 1-5 and stage clip 1-6.The two ends of main pivot shaft 1-1 and three secondary pivot shaft 1-3 respectively with one piece secondary pivot shaft fixed block 1-2 affixed; Two pieces of sleeve locating piece 1-4 centerings are nested with on main pivot shaft 1-1 and three secondary pivot shaft 1-3, and affixed with main pivot shaft 1-1; The two ends of the secondary pivot shaft 1-3 of every root are all equipped with secondary pivot shaft sleeve 1-5 and stage clip 1-6, and one end of secondary pivot shaft sleeve 1-5 contacts with corresponding sleeve locating piece 1-4, and one end of stage clip 1-6 contacts with corresponding secondary pivot shaft fixed block 1-2.
As shown in Fig. 2,3 and 4, double-slider suspended rack assembly 2 comprises two double-slider mechanisms be oppositely arranged, and double-slider mechanism comprises the first crank 2-1, first connecting rod 2-2, the second crank 2-3, second connecting rod 2-4 and sliding sleeve 2-5.Three double-slider suspended rack assemblies 2 are uniformly distributed along the circumference with the double-slider mechanism of one end; Hinged with the first crank 2-1 of three double-slider mechanisms of one end and all corresponding with the vehicle body component sleeve locating piece 1-4 in one end of the second crank 2-3; The two ends of the secondary pivot shaft 1-3 of every root of vehicle body component are connected by sliding pair with the sliding sleeve 2-5 of a double-slider mechanism respectively; The two ends of sliding sleeve 2-5 contact with the other end of stage clip 1-6 with secondary pivot shaft sleeve 1-5 corresponding on secondary pivot shaft 1-3 respectively; In same double-slider mechanism, one end of sliding sleeve 2-5 and first connecting rod 2-2 and second connecting rod 2-4 is all hinged; The other end of the first crank 2-1 and the second crank 2-3 is hinged with the middle part of first connecting rod 2-2 and second connecting rod 2-4 respectively.
As illustrated in Figures 5 and 6, variable parallelogram track assembly 3 comprises motor 3-1, the first support 3-2, the first finishing bevel gear cuter 3-3, the first swing arm 3-4, the second finishing bevel gear cuter 3-5, the first straight gear 3-6, the second straight gear 3-7, wheel shaft 3-8, drive pulley 3-9, crawler belt 3-10, the second support 3-11, driving pulley 3-12, Timing Belt 3-13, tension wheel 3-14, the first locating dowel pin 3-15, driven pulley 3-16, transmission shaft 3-19, the second swing arm 3-20 and the second locating dowel pin 3-21.Three variable parallelogram track assemblies 3 are uniformly distributed along the circumference, first support 3-2 of each variable parallelogram track assembly 3 is all hinged with the other end of two first connecting rod 2-2 of corresponding double-slider suspended rack assembly 2, and the second support 3-11 of each variable parallelogram track assembly 3 is all hinged with the other end of two second connecting rod 2-4 of corresponding double-slider suspended rack assembly 2.The two ends of the first support 3-2 and the second support 3-11 are all bearing on two transmission shaft 3-19 by clutch shaft bearing 3-17, wherein a transmission shaft 3-19 is hinged with driving pulley 3-12 and the first swing arm 3-4, another root transmission shaft 3-19 is hinged with driven pulley 3-16 and the second swing arm 3-20, and the second finishing bevel gear cuter 3-5 and the first straight gear 3-6 is fixed on same transmission shaft 3-19; Driving pulley 3-12 is connected by Timing Belt 3-13 with driven pulley 3-16; Tension wheel 3-14 and the second support 3-11 is hinged, and tensioning Timing Belt 3-13; The base of motor 3-1 is fixed on the motor cabinet of the first support 3-2; First finishing bevel gear cuter 3-3 is fixed on the output shaft of motor 3-1, and forms gear pair with the second finishing bevel gear cuter 3-5; One end of two the first locating dowel pin 3-15 is fixed on driving pulley 3-12 and driven pulley 3-16 respectively, and the other end is each passed through a position-limited trough at the second support 3-11 two ends, and affixed with the first swing arm 3-4 and the second swing arm 3-20 respectively; One end of two the second locating dowel pin 3-21 is fixed on the first swing arm 3-4 and the second swing arm 3-20 respectively, and the other end embeds in a position-limited trough at the first support 3-2 two ends respectively; The position-limited trough at the first support 3-2 two ends and the position-limited trough at the second support 3-11 two ends are oppositely arranged; The two ends of the first swing arm 3-4 and the second swing arm 3-20 are all supported with wheel shaft 3-8 by the second bearing 3-18, and four wheel shaft 3-8 are all connected with drive pulley 3-9; Second straight gear 3-7 is fixed on a wheel shaft 3-8 of the first straight gear 3-6, and forms gear pair with the first straight gear 3-6; Crawler belt 3-10 is nested with on four drive pulley 3-9.
The principle of work of this variable parallelogram crawler type in-pipe Work robot:
As Fig. 2, 5, 6, shown in 7 and 8, in straight tube, first swing arm 3-4 of the variable parallelogram track assembly 3 of this robot and the center shaft keeping parallelism state of the second swing arm 3-20 and pipeline, the motor 3-1 of each variable parallelogram track assembly drives the first finishing bevel gear cuter 3-3 to rotate, first finishing bevel gear cuter 3-3 drives the second finishing bevel gear cuter 3-5 by gear pair, transmission shaft 3-19 and the first straight gear 3-6 rotates, first straight gear 3-6 drives the second straight gear 3-7 to rotate by gear pair, second straight gear 3-7 drives the wheel shaft 3-8 affixed with it to rotate, thus drive crawler belt 3-10 to rotate by drive pulley 3-9, this robot is driven to travel in the duct.
As Fig. 2,5,6, shown in 9 and 10, when running into adapter bonnet, obstacle or bend pipe, first swing arm 3-4 of the variable parallelogram track assembly of this robot is rocked under external force and becomes an inclination angle with the center shaft of pipeline, and the second swing arm 3-20 keeps same inclination angle with the first swing arm 3-4 under the effect of Timing Belt 3-13; Meanwhile, double-slider suspended rack assembly 2 regulates the diameter of this robot under external force.After this robot passes by adapter bonnet, obstacle or bend pipe, double-slider suspended rack assembly 2 under the pressure effect of stage clip 1-6, make the first swing arm 3-4 and the second swing arm 3-20 again with the center shaft keeping parallelism state of pipeline, this robot continues to travel in the duct.Stage clip 1-6 ensures that this robot has the ability automatically adapting to adapter bonnet, obstacle or bend pipe, and has the effect of buffering absorbing.

Claims (4)

1. variable parallelogram crawler type in-pipe Work robot, comprises vehicle body component, double-slider suspended rack assembly and variable parallelogram track assembly, it is characterized in that:
Described vehicle body component comprises main pivot shaft, secondary pivot shaft fixed block, secondary pivot shaft, sleeve locating piece, secondary pivot shaft sleeve and stage clip; Described main pivot shaft and the two ends of three secondary pivot shafts respectively with one piece secondary pivot shaft fixed block affixed; Two pieces of sleeve locating piece centerings are nested with on main pivot shaft and three secondary pivot shafts, and affixed with main pivot shaft; The two ends of the secondary pivot shaft of every root are all equipped with secondary pivot shaft sleeve and stage clip, and one end of secondary pivot shaft sleeve contacts with corresponding sleeve locating piece, and one end of stage clip contacts with corresponding secondary pivot shaft fixed block;
Described double-slider suspended rack assembly comprises two double-slider mechanisms be oppositely arranged, and described double-slider mechanism comprises the first crank, first connecting rod, the second crank, second connecting rod and sliding sleeve; Three double-slider suspended rack assemblies are uniformly distributed along the circumference with the double-slider mechanism of one end; Hinged with all corresponding with the vehicle body component sleeve locating piece of the first crank of three double-slider mechanisms of one end and one end of the second crank; The two ends of the secondary pivot shaft of every root of vehicle body component are connected by sliding pair with the sliding sleeve of a double-slider mechanism respectively; The two ends of sliding sleeve contact with the other end of stage clip with secondary pivot shaft sleeve corresponding on secondary pivot shaft respectively; In same double-slider mechanism, one end of sliding sleeve and first connecting rod and second connecting rod is all hinged; The other end of the first crank and the second crank is hinged with the middle part of first connecting rod and second connecting rod respectively;
Described variable parallelogram track assembly comprises motor, the first support, the first finishing bevel gear cuter, the first swing arm, the second finishing bevel gear cuter, the first straight gear, the second straight gear, wheel shaft, drive pulley, crawler belt, the second support, driving pulley, Timing Belt, the first locating dowel pin, driven pulley, transmission shaft, the second swing arm and the second locating dowel pin; Three variable parallelogram track assemblies are uniformly distributed along the circumference, first support of each variable parallelogram track assembly is all hinged with the other end of two first connecting rods of corresponding double-slider suspended rack assembly, and the second support of each variable parallelogram track assembly is all hinged with the other end of two second connecting rods of corresponding double-slider suspended rack assembly; The two ends of described first support and the second support are all bearing on two transmission shafts by bearing, wherein a transmission shaft is hinged with driving pulley and the first swing arm, another root transmission shaft is hinged with driven pulley and the second swing arm, and the second finishing bevel gear cuter and the first straight gear are fixed on same transmission shaft; Described driving pulley is connected by Timing Belt with driven pulley; The first described finishing bevel gear cuter is fixed on the output shaft of motor, and forms gear pair with the second finishing bevel gear cuter; One end of two the first locating dowel pins is fixed on driving pulley and driven pulley respectively, and the other end is each passed through a position-limited trough at the second support two ends, and respectively with the first swing arm and the second swing arm affixed; One end of two the second locating dowel pins is fixed in the first swing arm and the second swing arm respectively, and the other end embeds in a position-limited trough at the first support two ends respectively; The two ends of described first swing arm and the second swing arm are all supported with wheel shaft by bearing, and four wheel shafts are all connected with drive pulley; The second described straight gear is fixed on a wheel shaft of the first straight gear, and forms gear pair with the first straight gear; Described crawler belt is nested with on four drive pulleys.
2. variable parallelogram crawler type in-pipe Work robot according to claim 1, is characterized in that: the second described support is hinged with tension wheel, described tension wheel tensioning Timing Belt.
3. variable parallelogram crawler type in-pipe Work robot according to claim 1, is characterized in that: the base of described motor is fixed on the motor cabinet of the first support.
4. variable parallelogram crawler type in-pipe Work robot according to claim 1, is characterized in that: the position-limited trough at described first support two ends and the position-limited trough at the second support two ends are oppositely arranged.
CN201420732990.3U 2014-11-27 2014-11-27 Variable parallelogram crawler type in-pipe Work robot Active CN204296897U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104477264A (en) * 2014-11-27 2015-04-01 浙江理工大学 Changeable parallelogram crawler-type in-pipe mobile operation robot
CN105136820A (en) * 2015-09-09 2015-12-09 广东工业大学 Pipeline defect detection robot based on annular laser three-dimensional scanning
CN105546275A (en) * 2016-02-04 2016-05-04 北京建筑大学 Novel pipeline robot support mechanism
CN105730535A (en) * 2016-02-21 2016-07-06 上海大学 Three-surface driven search and rescue robot for ruins
CN109305237A (en) * 2018-11-12 2019-02-05 山东大学 A kind of climbing robot
CN112123238A (en) * 2020-09-23 2020-12-25 东风汽车集团有限公司 Round hole quick centering mechanism

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104477264A (en) * 2014-11-27 2015-04-01 浙江理工大学 Changeable parallelogram crawler-type in-pipe mobile operation robot
CN104477264B (en) * 2014-11-27 2016-11-23 浙江理工大学 A kind of variable parallelogram crawler type in-pipe Work robot
CN105136820A (en) * 2015-09-09 2015-12-09 广东工业大学 Pipeline defect detection robot based on annular laser three-dimensional scanning
CN105546275A (en) * 2016-02-04 2016-05-04 北京建筑大学 Novel pipeline robot support mechanism
CN105730535A (en) * 2016-02-21 2016-07-06 上海大学 Three-surface driven search and rescue robot for ruins
CN109305237A (en) * 2018-11-12 2019-02-05 山东大学 A kind of climbing robot
CN112123238A (en) * 2020-09-23 2020-12-25 东风汽车集团有限公司 Round hole quick centering mechanism

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