CN204435223U - A kind of cable detection robot for cable-stayed bridge system - Google Patents

A kind of cable detection robot for cable-stayed bridge system Download PDF

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Publication number
CN204435223U
CN204435223U CN201520031317.1U CN201520031317U CN204435223U CN 204435223 U CN204435223 U CN 204435223U CN 201520031317 U CN201520031317 U CN 201520031317U CN 204435223 U CN204435223 U CN 204435223U
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China
Prior art keywords
cable
frame
climbing
sub
stayed bridge
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Expired - Fee Related
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CN201520031317.1U
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Chinese (zh)
Inventor
刘强强
林开亮
龙杰才
王辉
陈立
孟一村
徐友健
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Huazhong University of Science and Technology
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Huazhong University of Science and Technology
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Priority to CN201520031317.1U priority Critical patent/CN204435223U/en
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Abstract

The utility model discloses a kind of cable detection robot for cable-stayed bridge system, comprise frame, frame is provided with multiple power climbing device, the plurality of power climbing device circumference is uniformly distributed, power climbing device comprises actuating unit and two climbing devices, these two climbing devices are setting up and down and connected by synchronous drive mechanism, each climbing device includes the roller that can be attached to and cable rolls, the roller of one of them climbing device drives it to rotate by actuating unit, synchronous drive mechanism can drive all roller synchronous rotaries of two climbing devices setting up and down, described frame comprises multiple sub-bracing frame, each power climbing device is arranged on a sub-bracing frame, adjacent sub-bracing frame is connected by linkage, described linkage can regulate the distance between adjacent two sub-bracing frames.The utility model has very high compliance, can work on the cable of different-diameter, uses linkage to carry out connexon bracing frame, is convenient to the overall dimension regulating robot system.

Description

A kind of cable detection robot for cable-stayed bridge system
Technical field
The utility model belongs to climbing robot field, is specifically related to a kind of cable detection robot for cable-stayed bridge system.
Background technology
Cable stayed bridge is the main bridge type of Longspan Bridge, and cable is the main supporting part of cable stayed bridge, the inner wire of its primary structure member cable is under bridge dynamic loading, rain shakes, wind shakes long term, and easily occur fracture, therefore the testing of cable stayed bridge is most important.At present to the detection of cable and imperfection.Be the manual type adopting hoist engine to drag hanging basket dolly in early days, workload is large, and efficiency is low, poor stability.
The cable detection robot for cable-stayed bridge of current appearance mainly contains two kinds, i.e. motor driving wheel formula robot and pneumatic squirmy robot, and the former moves continuously, compact conformation, and control simple, climbing efficiency is high, but its obstacle climbing ability is poor; The latter's structure is simple, is made up of upper and lower two parts, and centre connects with cylinder, and every part is all equipped with three cylinders, is alternately in clamping and propradation, realizes climbing, have good obstacle climbing ability, but controls comparatively complexity, and sport efficiency is low, and volume is usually larger.
In motor driving wheel formula climbing robot, also there are some achievements in research at present, but more or less come with some shortcomings.A lot of same machines people is dimeric, and wherein only one motor is housed, as active part, another part is as driven, and play pressuring action, this sample loading mode may be installed more convenient, but climbing ability is limited, poor stability, and be unfavorable for changing robot overall dimension.Also be made up of three parts some same machines people, but often comparatively large along cable axis direction size, and the impact of cable self amount of deflection on robot motion is more serious.Also have some robot architectures too simple, undue rely on extension spring be used for adapt to different cables, though there is good obstacle climbing ability, because integral rigidity is not enough, is easy in robot kinematics rock near cable, affects Detection job.Generally speaking, all there is the contradiction between obstacle climbing ability and robust motion in a lot of like product at present.
Utility model content
For above defect or the Improvement requirement of prior art, the utility model provides a kind of cable detection robot for cable-stayed bridge system, its object is to replace the manual detection mode fallen behind, use the method for remote control, carry checkout equipment climbing cable, complete cable inspection task, a kind of safety, efficiently cable inspection mode are provided.
For achieving the above object, according to an aspect of the present utility model, provide a kind of cable detection robot for cable-stayed bridge system, comprise frame, described frame is provided with multiple power climbing device that can be attached to cable surface and climb, the plurality of power climbing device circumference is uniformly distributed, power climbing device comprises actuating unit and two climbing devices, these two climbing devices are setting up and down and connected by synchronous drive mechanism, each climbing device includes the roller that can be attached to and cable rolls, the roller of one of them climbing device drives it to rotate by actuating unit, described synchronous drive mechanism can drive all roller synchronous rotaries of two climbing devices setting up and down, described frame comprises multiple sub-bracing frame, each power climbing device is arranged on a sub-bracing frame, adjacent sub-bracing frame is connected by linkage, described linkage can regulate the distance between adjacent two sub-bracing frames.
Preferably, described actuating unit comprises motor and reductor, described climbing device also comprises rotatably rack-mounted first rotating shaft, reductor drives the first rotating shaft to rotate, frame is provided with support, support is provided with the second rotating shaft, the first rotating shaft is connected with the second rotating shaft by the first transmission mechanism, described roller is fixedly mounted in the second rotating shaft, and the first rotating shaft of two climbing devices is connected by described synchronous drive mechanism.
Preferably, support is arranged in frame by the first described rotating shaft, is provided with bearing between support and the first rotating shaft, and the support of two climbing devices is linked together by extension spring, and extension spring is for making the roller compression of two climbing devices at cable.
Preferably, described motor is electromagnetic braking motor.
Preferably, one of them support is provided with spring base, described spring base has been threaded extension spring support bar, and one end of extension spring is connected on extension spring support bar, and the other end is connected on another support.
Preferably, described linkage comprises two junction plates together bonded to each other, every root junction plate is provided with multiple connecting through hole, the plurality of connecting through hole is arranged along the longitudinal direction of junction plate, have bolt device the two to be fixedly connected with from connecting through hole through after two junction plates, every root junction plate is fixedly connected on a sub-bracing frame respectively.
Preferably, described junction plate entirety is in cuboid, and described linkage also comprises cushion block, and described cushion block is arranged on wherein between a plate and sub-bracing frame, and the thickness of this cushion block is equal with the thickness of another junction plate.
Preferably, described sub-bracing frame comprises main frame and is arranged on the angle steel on main frame, and the side of angle steel connects main frame, the linkage described in its opposite side connects.
Preferably, described roller is provided with the rubber outer ring for contacting with cable.
Preferably, the quantity of the roller of each climbing device is two, there is spacing between these two rollers.
In general, the above technical scheme conceived by the utility model compared with prior art, can obtain following beneficial effect:
1) the utility model solves the contradiction between the obstacle climbing ability of climbing robot system existence for a long time and robust motion, whole roller by the drive of synchronous drive mechanism can on cable synchronous rolling, move in all-wheel powered mode, there is outstanding obstacle climbing ability;
2) there is very high compliance, can work on the cable of different-diameter, use linkage to carry out connexon bracing frame, be convenient to the overall dimension regulating robot system;
3) simple and reliable for structure, there is stronger load capacity simultaneously, easily realize miniaturization, lightweight, be applicable to outdoor study;
4) as coarse adjustment, extension spring has certain deformation range, and as fine setting, its adjustable range is enough large;
5) each support is relatively independent, by pulling extension spring and making support around the first axis of rotation, can lift independently, reduce the impact overall on robot system, therefore robust motion is good to realize support when roller runs into obstacle;
6) motor carries electro-magnetic braking functions, can realize power-off protection, and effectively prevents downslide situation when starting;
7) roller adopts two modes side by side, strengthens the contact area with cable, improves robust motion.
Accompanying drawing explanation
Fig. 1 ~ Fig. 2 is the structural representation under the utility model different visual angles;
Fig. 3 is the structural representation of the utility model medium power climbing device.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.In addition, if below in described each embodiment of the utility model involved technical characteristic do not form conflict each other and just can mutually combine.
As shown in FIG. 1 to 3, a kind of Character of Cable Force of Cable stayed Bridge robot motion device, comprises frame 1, and described frame 1 is provided with multiple power climbing device 2 that can be attached to cable surface and climb, the plurality of power climbing device 2 circumference is uniformly distributed.Power climbing device 2 comprises actuating unit 21 and two climbing devices 22, and these two climbing devices 22 are setting up and down and connected by synchronous drive mechanism 23.Why adopt two climbing devices, when being to make this telecontrol equipment move on cable, top and the bottom can keep balance and can not skew on cable, and movement is got up just than smoothly like this.Preferably, described synchronous drive mechanism 23 is synchronous belt drive mechanism, to ensure the synchronous of motion.
Each climbing device 22 includes the roller 24 that can be attached to and cable rolls, and preferably, described roller 24 is provided with the rubber outer ring for contacting with cable, in order to avoid cause damage to cable.When roller 24 rolls on cable, then this telecontrol equipment can climb on cable.The quantity of the roller 24 of each climbing device 22 is two, there is spacing, so that be attached to better on cable between these two rollers 24.The roller 24 of one of them climbing device 22 drives it to rotate by actuating unit 21, described synchronous drive mechanism 23 can drive all rollers 24 synchronous rotary of two climbing devices 22 setting up and down of same power climbing device 2, so just makes the movement of this telecontrol equipment more steady.
Further, described actuating unit 21 comprises motor 211 and reductor 212.Described motor 211 preferably adopts electromagnetic braking motor, and when the unexpected power-off of cable robot, electromagnetic braking motor quits work and just can not rotate again; by the synchronous effect of transmission device; roller 24 can not be rolled, and this telecontrol equipment is parked on cable, plays power-failure protecting effect.Preferably, the quantity of the power climbing device 2 that described frame 1 is installed is three, when three power climbing devices 2 are arranged in frame 1, structure comparison is stablized, and the roller 24 of three power climbing devices 2 also rolls than being easier to be attached on cable, this telecontrol equipment is made to be not easy to fall down from cable.Correspondingly, the quantity of electromagnetic braking motor is also three, and three electromagnetic braking motor work simultaneously, rotating speed is controlled by reductor 212, carry out transmission through synchronous drive mechanism 23, ensure that all rollers 24 make strict synchronous axial system, move on cable with full type of drive.In addition, control the forward and backward of electromagnetic braking motor and stop can realizing the climbing of cable robot, climbing down and location.
Described climbing device 22 also comprises rotatably being arranged between the first rotating shaft 221, first rotating shaft 221 in frame 1 and frame 1 and is provided with bearing; Reductor 212 drives the first rotating shaft 221 to rotate, and frame 1 is provided with support 3, support 3 is provided with between the second rotating shaft 223, second rotating shaft 223 and support 3 and is provided with bearing; First rotating shaft 221 is connected with the second rotating shaft 223 by the first transmission mechanism 222, and preferably, synchronous belt drive mechanism selected by the first transmission mechanism 222; Described roller 24 is fixedly mounted in the second rotating shaft 223, and the first rotating shaft 221 of two climbing devices 22 is connected by described synchronous drive mechanism 23.
As one ratio more preferably scheme, described support 3 is arranged in frame 3 by the first described rotating shaft 221, between support 3 and the first rotating shaft 221, bearing is installed, can rotates independently of each other between such support 3 and the first rotating shaft 221, and can not influence each other.The support 3 of two climbing devices 22 is connected by extension spring 4, and extension spring 4 is pressed on cable for making the roller 24 of two climbing devices 22, and being provided with of extension spring 4 helps roller 24 and pass through obstacle.
One of them support 3 is provided with spring base 41, and described spring base 41 has been threaded extension spring support bar 42, and one end of extension spring 4 is connected on extension spring support bar 42, and the other end is connected on another support 3.Turn extension spring support bar 42, the elastic force of extension spring 4 pairs of supports 3 can be adjusted, thus roller 24 can be adjusted be pressed in active force on cable.The utility model uses extension spring 4, the distance of the roller 24 on upper and lower two climbing devices 22 can be made distant, contribute to the stability keeping whole telecontrol equipment.
Described frame 1 comprises multiple sub-bracing frame 10, and each power climbing device 2 is arranged on a sub-bracing frame 10, and adjacent sub-bracing frame 10 is connected by linkage 11, and described linkage 11 can regulate the distance between adjacent two sub-bracing frames 10.Preferably, the quantity of the linkage 11 between adjacent two sub-bracing frames 10 is two, and these two linkages about 11 are arranged, is convenient to like this make sub-bracing frame 10 keep stable.Preferably, the quantity of described sub-bracing frame 10 is three, and the quantity of described linkage 11 is also correspondingly set to three, and the angle of two adjacent linkages 11 is 60 °, is thisly leg-of-muttonly provided with the stability helping holding structure.
Linkage 11 for the spacing regulating adjacent two sub-bracing frames 10 has a lot, for example the structure of linkage 11 can adopt one block of plate, this plate arranges a chute, then utilize bolt to pass chute rear thread and be connected to a sub-bracing frame 10, the position of adjusting bolt in chute, can regulate the spacing of adjacent two sub-bracing frames 10; In addition, the structure of linkage 11 can also be selected mutually to overlap with two boards, one block of plate arranges chute, another block plate arranges through hole, two boards is fixed together through after chute and through hole with bolt device 113, also can regulate the length of linkage 11, thus regulate the spacing of adjacent two sub-bracing frames 10.
Preferably, linkage 11 of the present utility model comprises two junction plates 111 together bonded to each other, every root junction plate 111 is provided with multiple bolt of being convenient to through the connecting through hole 112 of junction plate 111, the plurality of connecting through hole 112 is arranged along the longitudinal direction of junction plate 111, bolt device 113 is had the two to be fixedly connected with from connecting through hole 112 through after two junction plates 111, the quantity of described bolt device 113 is preferably two or more, and each bolt device 113 passes from a connecting through hole 112.Every root junction plate 111 is fixedly connected on a sub-bracing frame 10 respectively, described junction plate 111 entirety is in cuboid, described linkage 11 also comprises cushion block 114, cushion block 114 is arranged on wherein between a plate 111 and sub-bracing frame 10, the thickness of cushion block 114 is equal with the thickness of another junction plate 111, cushion block 114 staggers for making a plate 111 and another junction plate 111, then two junction plates 111 can correctly assemble and not interfere.
Described sub-bracing frame 10 comprises main frame 101 and is arranged on the angle steel 102 on main frame 101, and described linkage 11 is arranged on angle steel 102.Two ends in each main frame 101 respectively fill an angle steel 102, and side and the main frame 101 of angle steel 102 are adjacent to, and this side is preferably provided with four holes, fixes with bolt and nut; Junction plate 111 entirety is in cuboid, and it is contained in angle steel 102 opposite side; Main frame 101 and junction plate 111 can couple together by angle steel 102 easily.
As mentioned above, the utility model has reached by miniaturization, lightweight, dependable performance, Character of Cable Force of Cable stayed Bridge robot system applied widely, has assisted the object of the detection under different condition, maintenance work; Solve current cable stayed bridge to take manual detection and reparation, carry the problem of machines cumbersome, inefficiency, the labour intensity reducing testing staff, with dangerous, strengthens reliability.
Those skilled in the art will readily understand; the foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.

Claims (10)

1. a cable detection robot for cable-stayed bridge system, it is characterized in that: comprise frame (1), described frame (1) is provided with multiple power climbing device (2) that can be attached to cable surface and climb, the plurality of power climbing device (2) circumference is uniformly distributed, power climbing device (2) comprises actuating unit (21) and two climbing devices (22), these two climbing devices (22) setting up and down and by synchronous drive mechanism (23) connect, each climbing device (22) includes the roller (24) that can be attached to and cable rolls, the roller (24) of one of them climbing device (22) drives it to rotate by actuating unit (21), described synchronous drive mechanism (23) can drive all rollers (24) synchronous rotary of two climbing devices (22) setting up and down, described frame (1) comprises multiple sub-bracing frame (10), each power climbing device (2) is arranged on a sub-bracing frame (10), adjacent sub-bracing frame (10) is connected by linkage (11), described linkage (11) can regulate the distance between adjacent two sub-bracing frames (10).
2. a kind of cable detection robot for cable-stayed bridge system according to claim 1, it is characterized in that: described actuating unit (21) comprises motor (211) and reductor (212), described climbing device (22) also comprises the first rotating shaft (221) be rotatably arranged in frame (1), reductor (212) drives the first rotating shaft (221) to rotate, frame (1) is provided with support (3), support (3) is provided with the second rotating shaft (223), first rotating shaft (221) is connected with the second rotating shaft (223) by the first transmission mechanism (222), described roller (24) is fixedly mounted in the second rotating shaft (223), first rotating shaft (221) of two climbing devices (22) is connected by described synchronous drive mechanism (23).
3. a kind of cable detection robot for cable-stayed bridge system according to claim 2, it is characterized in that: support (3) is arranged in frame (3) by described the first rotating shaft (221), between support (3) and the first rotating shaft (221), bearing is installed, the support (3) of two climbing devices (22) is linked together by extension spring (4), and extension spring (4) is pressed on cable for making the roller (24) of two climbing devices (22).
4. a kind of cable detection robot for cable-stayed bridge system according to claim 2, is characterized in that: described motor (211) is electromagnetic braking motor.
5. a kind of cable detection robot for cable-stayed bridge system according to claim 3, it is characterized in that: one of them support (3) is provided with spring base (41), described spring base (41) has been threaded extension spring support bar (42), one end of extension spring (4) is connected on extension spring support bar (42), and the other end is connected on another support (3).
6. a kind of cable detection robot for cable-stayed bridge system according to claim 1, it is characterized in that: described linkage (11) comprises two junction plates (111) together bonded to each other, every root junction plate (111) is provided with multiple connecting through hole (112), the plurality of connecting through hole (112) is arranged along the longitudinal direction of junction plate (111), bolt device (113) is had the two to be fixedly connected with from connecting through hole (112) through after two junction plates (111), every root junction plate (111) is fixedly connected on a sub-bracing frame (10) respectively.
7. a kind of cable detection robot for cable-stayed bridge system according to claim 6, it is characterized in that: described junction plate (111) entirety is in cuboid, described linkage (11) also comprises cushion block (114), described cushion block (114) is arranged on wherein between a plate (111) and sub-bracing frame (10), and the thickness of this cushion block (114) is equal with the thickness of another junction plate (111).
8. a kind of cable detection robot for cable-stayed bridge system according to claim 6, it is characterized in that: described sub-bracing frame (10) comprises main frame (101) and is arranged on the angle steel (102) on main frame (101), the side of angle steel (102) connects main frame (101), the linkage (11) described in its opposite side connects.
9. a kind of cable detection robot for cable-stayed bridge system according to claim 1, is characterized in that: described roller (24) is provided with the rubber outer ring for contacting with cable.
10. a kind of cable detection robot for cable-stayed bridge system according to claim 1, is characterized in that: the quantity of the roller (24) of each climbing device (22) is two, there is spacing between these two rollers (24).
CN201520031317.1U 2015-01-16 2015-01-16 A kind of cable detection robot for cable-stayed bridge system Expired - Fee Related CN204435223U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104612045A (en) * 2015-01-16 2015-05-13 华中科技大学 Cable-stayed bridge cable detection robot system
CN105239504A (en) * 2015-09-01 2016-01-13 东南大学 Cable inspection robot
CN106368123A (en) * 2016-11-01 2017-02-01 中国计量大学 Novel wheel type cable rope climbing device
CN106930185A (en) * 2017-03-30 2017-07-07 同济大学 A kind of robot creeped for Character of Cable Force of Cable stayed Bridge
CN108562275A (en) * 2018-06-05 2018-09-21 北京中交桥宇科技有限公司 A kind of suspension cable mobile video acquisition system

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104612045A (en) * 2015-01-16 2015-05-13 华中科技大学 Cable-stayed bridge cable detection robot system
CN105239504A (en) * 2015-09-01 2016-01-13 东南大学 Cable inspection robot
CN106368123A (en) * 2016-11-01 2017-02-01 中国计量大学 Novel wheel type cable rope climbing device
CN106368123B (en) * 2016-11-01 2017-12-12 中国计量大学 A kind of novel wheel-type cable rope climbing device
CN106930185A (en) * 2017-03-30 2017-07-07 同济大学 A kind of robot creeped for Character of Cable Force of Cable stayed Bridge
CN106930185B (en) * 2017-03-30 2019-10-01 同济大学 A kind of robot creeped for Character of Cable Force of Cable stayed Bridge
CN108562275A (en) * 2018-06-05 2018-09-21 北京中交桥宇科技有限公司 A kind of suspension cable mobile video acquisition system

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20150701

Termination date: 20170116