CN106012823A - Crawler-type self-traveling main cable inspection vehicle - Google Patents
Crawler-type self-traveling main cable inspection vehicle Download PDFInfo
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- CN106012823A CN106012823A CN201610546718.XA CN201610546718A CN106012823A CN 106012823 A CN106012823 A CN 106012823A CN 201610546718 A CN201610546718 A CN 201610546718A CN 106012823 A CN106012823 A CN 106012823A
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- towing rope
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
- E01D19/106—Movable inspection or maintenance platforms, e.g. travelling scaffolding or vehicles specially designed to provide access to the undersides of bridges
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Abstract
The invention discloses a crawler-type self-traveling main cable inspection vehicle. The crawler-type self-traveling main cable inspection vehicle comprises a main stander, a traveling drive mechanism, a compression wheel pressure-maintaining system, overturning straining mechanisms, a basket lifting system, working platforms and a control system, wherein the main stander is of an n-shaped structure and arranged on a main cable, a plurality of overturning straining mechanisms are longitudinally arranged between bottom two sides of the main stander to form a temporary folding lower passage, and the compression wheel pressure-maintaining system is mounted on the main stander and pushes against the bottom of the main cable, so that sufficient pressure is maintained between the main stander and the main cable; the traveling drive mechanism is mounted on the main stander and drives the main stander to travel by traveling on the main cable; the basket lifting system is mounted below the main stander, the working platforms are respectively mounted at two outer sides of the main stander, and the control system is respectively connected with the traveling drive mechanism, the compression wheel pressure-maintaining system, the overturning straining mechanisms and the basket lifting system. By adopting the crawler-type self-propelling main cable inspection vehicle, an auxiliary suspension cable can be effectively bypassed, barrier-free continuous climbing can be realized, and safety and reliability can be realized.
Description
Technical field
The present invention relates to a kind of crawler self and walk main push-towing rope inspection car, particularly relate to a kind of automatic hoist cable of crossing, safe and reliable main push-towing rope checks car, belongs to inspection car technical field.
Background technology
China has carried out large-scale construction in recent years to suspension bridge, cable-stayed bridge, make China become suspension bridge in the world, cable-stayed bridge quantity is most, span is maximum, invest most countries.
Cable is suspension bridge, cable-stayed bridge load-supporting part, is bridge security, ensures reliably, and the inspection of China's cable, upkeep operation at present or are carried out the mode of the operation such as defect inspection, Corrosion Maintenance by operating personnel in hundreds of meters high-altitude to cable manually to be completed.Work high above the ground adds the potential safety hazard of operating personnel, labor intensity, and labor efficiency is low simultaneously.
The suspension bridge of China, cable-stayed bridge major part have been enter into detecting, safeguarding or change the period of hawser, for improving operating personnel's safety, reduce cost, raise labour efficiency, and have clear some devices carrying out for cable detecting of Crinis Carbonisatus at present.
Such as: patent CN1256189A pneumatic worming hawser climbing device, patent CN101259857A electric-drive creeping type hawser climbing device.It is unfavorable for the inspection of hawser, maintenance work owing to creeping motion type moves, has again patent CN101734300A to propose continuous moving cable rope climbing device.These devices can only carry out obstacle detouring to variable cross-section cable at present, the cable with attached vertical pull bar can not be carried out obstacle detouring, vertical pull bar can not be detected, be safeguarded simultaneously.
To bridge main push-towing rope and vertically pull bar carry out Inspection and maintenance it is crucial that: checking, in maintenance process, bridge main push-towing rope and attached vertical pull bar detection equipment do not affect the normal operation of vehicle, bridge main push-towing rope and vertical pull bar can be carried out the inspection of all standing, maintenance, support personnel's safety simultaneously, alleviates the psychological fear of bridge inspection operating personnel.Therefore the cable rope climbing device designing efficient, safety and the manned accessible continuous moving of energy is significant.
Summary of the invention
The goal of the invention of the present invention is: provides a kind of crawler self to walk main push-towing rope and checks car, solve existing hawser climbing device for cannot be carried out obstacle detouring with the main push-towing rope of attached hoist cable, can not safe manned accessible climb continuously, vertical pull bar be cannot be carried out to the technical problem of efficient detection and maintenance, thus can effectively solve the problem that above-mentioned problems of the prior art.
The technical solution used in the present invention is such that
nullA kind of crawler self is walked main push-towing rope and is checked car，Including mainframe、Hoofing part mechanism、Contact roller pressure-retaining system、Upset tensioning mechanism、Lifting of hanging basket system、Work platforms and control system，Described mainframe is door type structure，Mainframe is symmetrically erected on main push-towing rope，Some described upset tensioning mechanisms are longitudinally arranged at the lower channel forming interim open-close type between mainframe two bottom sides，Described contact roller pressure-retaining system is arranged on mainframe and withstands from down main push-towing rope and makes to keep enough pressure between mainframe and main push-towing rope，Described hoofing part mechanism is arranged on mainframe and drives main rack row to walk by the walking on main push-towing rope，Described lifting of hanging basket system is arranged on below mainframe，Described work platforms is separately mounted to outside mainframe two，Described control system respectively with hoofing part mechanism、Contact roller pressure-retaining system、Upset tensioning mechanism、Lifting of hanging basket system connects.
As preferably, described mainframe includes upper mounting plate, side truss, upper guardrail and pedal, oblique cat ladder, side truss lengthening section and perpendicular cat ladder, described side truss is located at below the upper mounting plate left and right sides and is collectively forming gate skeleton, described upper guardrail and pedal are located on upper mounting plate, described oblique cat ladder upper end is connected with upper mounting plate, described side truss lengthening section is located at two ends bottom the truss of side, and described perpendicular cat ladder upper end is connected with upper mounting plate, and lower end is connected with side truss.Connecting for detachable connection between each several part so that whole mainframe can split into single module, and to reduce its volume, meanwhile, mounting or dismounting are also convenient for.
As preferably, described hoofing part mechanism includes track beam and driving wheel thereon, rail chain crawler belt, tensioner, guide wheel, it is provided with thrust wheel between track beam bottom and rail chain crawler belt, piece jointed shaft of horizontally set on described track beam, jointed shaft two ends are connected with the steering cylinder being arranged on framework connecting plate by steering base, the some creeper treads of horizontally set on described rail chain crawler belt, creeper tread two ends are bent outwardly and form the arc blocking main push-towing rope, so that hoofing part mechanism walks forward on main push-towing rope.Hoofing part mechanism uses the creeper tread of arc, its objective is that the main frame enabling inspection car utilizes the stable walking of creeper undercarriage on arc " road surface "；It increases the walking contact area of main frame by the creeper tread of arc, is effectively improved machine traction, reduces the main frame compressive stress to arc " road surface ", and then improves the main frame walking stability on arc " road surface "；It is effectively improved the climbing capacity of main frame.
As preferably, also setting up sideslip detecting system on described mainframe, described sideslip detecting system includes distance measuring sensor, camber control device and switching valve, and distance measuring sensor is connected with camber control device, camber control device is connected with switching valve, and switching valve is connected with steering cylinder；In the left and right sides of mainframe, corresponding driving wheel, guide wheel respectively arrange one to distance measuring sensor respectively.
As preferably, also include that equipment box, described equipment box lay respectively at both sides, mainframe bottom, in case, be placed with hoofing part mechanism, contact roller pressure-retaining system, upset tensioning mechanism, the control equipment of lifting of hanging basket system.
As preferably, described contact roller pressure-retaining system includes wheel carrier, compressed oil cylinder, fairlead weldment, support tube, copper sheathing, feather key, axle, wheel vulcanization member and bearing pin, and wheel carrier is connected with wheel vulcanization member by axle, drives wheel vulcanization member to move；Copper sheathing and feather key are respectively arranged in fairlead weldment inside corresponding hole and groove, and the guide post on wheel carrier slides in copper sheathing, and by copper sheathing and feather key guiding；One end of compressed oil cylinder is hinged with wheel carrier, and the other end is hinged with support tube by bearing pin, and the take-off lever telescopic band driving wheel frame of compressed oil cylinder and wheel vulcanization member are along the endoporus stretching motion of fairlead weldment, and feather key prevents wheel carrier from rotating.On car, this contact roller pressure-retaining system is installed by checking at main push-towing rope, improve the inspection car normal pressure to main push-towing rope, when the gradient of main push-towing rope is more than the static friction angle of main push-towing rope surfacing and rubber, make the stiction checking between car and main push-towing rope more than car load walking resistance, thus reach to promote the purpose checking car climbing capacity, play the effect improving walking stability, driving and parking safety can also be improved simultaneously, enable self-travel type main push-towing rope inspection car to walk on heavy grade main push-towing rope and be possibly realized.
As preferably, described upset tensioning mechanism includes turnover panel, fixed plate, oil cylinder seat and overturning oil cylinder；Described overturning oil cylinder is located at below turnover panel, hinged bottom its right-hand member and turnover panel, and left end is articulated with on the left of inspection car owner's truss by oil cylinder seat；Described turnover panel left end is articulated with on the left of inspection car owner's truss by a bearing pin and a pin ear, arranging support platform bottom the right-hand member of turnover panel and overlapped with fixed plate level by this support platform, described fixed plate is connected on the right side of car owner's truss with checking by No. two bearing pins and No. two pin ears；Turnover panel can stir under the drive of overturning oil cylinder up and down, described fixed plate includes plate body and the drawing cylinder being fixed on plate body, the tailpiece of the piston rod of described drawing cylinder arranges limited block, on the piston rod, when piston rod shrinks, limited block pulls support platform to described support platform card, thus turnover panel is mutually strained with fixed plate, also being horizontally disposed with push rod facing to turnover panel right-hand member in described fixed plate, when turnover panel is mutually strained with fixed plate, push rod plays position-limiting action.Hoist cable can be effectively avoided when inspection garage is walked, it is achieved that main push-towing rope checks that the automatization of car continuously drives by the automatic turning of turnover panel；It addition, the mode that turnover panel and fixed plate are strained is enhanced main push-towing rope also by drawing cylinder to check the main couple rigidity of car, ensure that main push-towing rope checks the stability in the large of car.
In sum, owing to have employed technique scheme, the invention has the beneficial effects as follows:
1, one door type mainframe is set, mainframe bottom arrange can the lower channel of folding, reduce the aerophobia sense of staff, simultaneously, by this lower channel, door font mainframe can also be formed the entirety closed, increase main push-towing rope and check stability and the safety of car；
2, crawler travel drive mechanism, the adhesive ability between increase inspection car and main push-towing rope are set, and add the ability of automatic deviation correction, prevent from checking when car is walked on main push-towing rope because gradient becomes the skidding caused greatly；
3, the thrust of continuous and effective is provided by contact roller pressure-retaining system, it is ensured that main push-towing rope checks that car overall operation is more stable so that operating personnel is safer；
4. in the case of ensureing complete machine rigidity, avoid attached hoist cable by upset tensioning mechanism thus realize automatic hoist cable excessively；
5. car wanders off in the process of walking to prevent main push-towing rope from checking by sideslip detecting system by distance measuring sensor.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram that main push-towing rope of the present invention checks car.
Fig. 2 is the left view structural representation that main push-towing rope of the present invention checks car.
Fig. 3 is the perspective view of main push-towing rope inspection car owner's frame of the present invention.
Fig. 4 is that main push-towing rope of the present invention checks that the structural representation of drive mechanism is walked by garage.
The A-A generalized section of Tu5Shi Tu3 hoofing part mechanism.
Fig. 6 is the structural representation that main push-towing rope of the present invention checks car contact roller pressure-retaining system.
Fig. 7 is the top view of contact roller pressure-retaining system shown in Fig. 6.
Fig. 8 is the structural representation that main push-towing rope of the present invention checks car upset tensioning mechanism.
Fig. 9 is the top view of upset tensioning mechanism shown in Fig. 8.
Labelling in figure:
1 is mainframe, and 2 is hoofing part mechanism, and 3 is equipment box, and 4 is contact roller pressure-retaining system, and 5 is upset tensioning mechanism, and 6 is lifting of hanging basket system, and 7 is hydraulic system, and 8 is electric-control system, work platforms 9, and 10 is control system；
101 is upper mounting plate, and 102 is side truss, and 103 is upper guardrail and pedal, and 104 is oblique cat ladder, and 105 is side truss lengthening section, and 106 is perpendicular cat ladder；
201 is driving wheel, and 202 is track beam, and 203 is rail chain crawler belt, and 204 is thrust wheel, and 205 is tensioner, and 206 is guide wheel, and 207 is jointed shaft, and 208 is steering base, and 209 is framework connecting plate, and 210 is steering cylinder；
501 is wheel carrier, and 502 is compressed oil cylinder, and 503 is fairlead weldment, and 504 is support tube, and 505 is copper sheathing, and 506 is feather key, and 507 is axle, and 508 is wheel vulcanization member, and 509 is bearing pin, and 510 is a connecting plate, and 511 is No. two connecting plates；
601 is turnover panel, and 602 is fixed plate, and 603 is a pin ear, and 604 is a bearing pin, and 605 is oil cylinder seat, and 606 is overturning oil cylinder, and 607 is drawing cylinder, and 608 is push rod, and 609 is No. two pin ears, and 610 is No. two bearing pins, and 611 is support platform.
Detailed description of the invention
Below in conjunction with the accompanying drawings, the present invention is described in detail.
nullSuch as Fig. 1、Shown in 2，A kind of crawler self is walked main push-towing rope and is checked car，Including mainframe 1、Hoofing part mechanism 2、Contact roller pressure-retaining system 4、Upset tensioning mechanism 5、Lifting of hanging basket system 6、Work platforms 9 and control system 10，Described mainframe 1 is door type structure，Mainframe 1 is symmetrically erected on main push-towing rope，Some described upset tensioning mechanisms 5 are longitudinally arranged at the lower channel forming interim open-close type between mainframe 1 two bottom sides，Described contact roller pressure-retaining system 4 is arranged on mainframe 1 and withstands from down main push-towing rope and makes to keep between mainframe 1 and main push-towing rope enough pressure，Described hoofing part mechanism 2 is arranged on mainframe 1 and drives mainframe 1 to walk by the walking on main push-towing rope，Described lifting of hanging basket system 6 is arranged on below mainframe 1，Described work platforms 9 is separately mounted to 1 liang of outside of mainframe，Described control system 10(rough segmentation is hydraulic system 7、Electric-control system 8 two large divisions) respectively with hoofing part mechanism 2、Contact roller pressure-retaining system 4、Upset tensioning mechanism 5、Lifting of hanging basket system 6 connects.
Described mainframe 1 is as shown in Figure 3, including upper mounting plate 101, side truss 102, upper guardrail and pedal 103, oblique cat ladder 104, side truss lengthening section 105 and perpendicular cat ladder 106, described side truss 102 is located at below upper mounting plate 101 left and right sides and is collectively forming gate skeleton, described upper guardrail and pedal 103 are located on upper mounting plate 101, described oblique cat ladder 104 upper end is connected with upper mounting plate 101, described side truss lengthening section 105 is located at two ends bottom side truss 102, described perpendicular cat ladder 106 upper end is connected with upper mounting plate 101, and lower end is connected with side truss 102.
Described hoofing part mechanism 2 such as Fig. 4, shown in 5, including track beam 202 and driving wheel thereon 201, rail chain crawler belt 203, tensioner 205, guide wheel 206, it is provided with thrust wheel 204 between track beam 202 bottom and rail chain crawler belt 203, piece jointed shaft 207 of horizontally set on described track beam 202, jointed shaft 207 two ends are connected with the steering cylinder 210 being arranged on framework connecting plate 209 by steering base 208, the some creeper treads of horizontally set on described rail chain crawler belt 203, creeper tread two ends are bent outwardly and form the arc blocking main push-towing rope, so that hoofing part mechanism 2 walks forward on main push-towing rope.
Also setting up sideslip detecting system on described mainframe 1, described sideslip detecting system includes distance measuring sensor, camber control device and switching valve, and distance measuring sensor is connected with camber control device, and camber control device is connected with switching valve, and switching valve is connected with steering cylinder 210；In the left and right sides of mainframe 1, corresponding driving wheel 201, guide wheel 206 respectively arrange one to distance measuring sensor respectively.
Also include that equipment box 3, described equipment box 3 lay respectively at both sides, mainframe 1 bottom, in case, be placed with hoofing part mechanism 2, contact roller pressure-retaining system 4, upset tensioning mechanism 5, the control equipment of lifting of hanging basket system 6.
Described contact roller pressure-retaining system 4 is as shown in Figure 6,7, including wheel carrier 501, compressed oil cylinder 502, fairlead weldment 503, support tube 504, copper sheathing 505, feather key 506, axle 507, wheel vulcanization member 508 and bearing pin 509, wheel carrier 501 is connected with wheel vulcanization member 508 by axle 507, drives wheel vulcanization member 508 to move；Copper sheathing 505 and feather key 506 are respectively arranged in fairlead weldment 503 inside corresponding hole and groove, and the guide post on wheel carrier 501 slides copper sheathing 505 in, and pass through copper sheathing 505 and feather key 506 guides；One end of compressed oil cylinder 502 is hinged with wheel carrier 501, the other end is hinged with support tube 504 by bearing pin 509, the take-off lever telescopic band driving wheel frame 501 of compressed oil cylinder 502 and wheel vulcanization member 508 are along the endoporus stretching motion of fairlead weldment 503, and feather key 506 prevents wheel carrier 501 from rotating.
Described upset tensioning mechanism 5 as shown in Figure 8,9, including turnover panel 601, fixed plate 602, oil cylinder seat 605 and overturning oil cylinder 606；Described overturning oil cylinder 606 is located at below turnover panel 601, hinged bottom its right-hand member and turnover panel 601, and left end is articulated with on the left of inspection car owner's truss by oil cylinder seat 605；Described turnover panel 601 left end is articulated with on the left of inspection car owner's truss by a bearing pin 4 and a pin ear 3, arranging support platform 611 bottom the right-hand member of turnover panel 601 and overlapped with fixed plate 602 level by this support platform 611, described fixed plate 602 is connected on the right side of car owner's truss with checking by No. two bearing pins 610 and No. two pin ears 609；Turnover panel 601 can stir under the drive of overturning oil cylinder 606 up and down, described fixed plate 602 includes plate body and the drawing cylinder 607 being fixed on plate body, the tailpiece of the piston rod of described drawing cylinder 607 arranges limited block, described support platform 611 is blocked on the piston rod, when piston rod shrinks, limited block pulls support platform 611, thus turnover panel 601 is mutually strained with fixed plate 602, also it is horizontally disposed with push rod 608 facing to turnover panel 601 right-hand member in described fixed plate 602, when turnover panel 601 is mutually strained with fixed plate 602, push rod 608 plays position-limiting action.
Claims (7)
- null1. a crawler self is walked main push-towing rope and is checked car，It is characterized in that: include mainframe (1)、Hoofing part mechanism (2)、Contact roller pressure-retaining system (4)、Upset tensioning mechanism (5)、Lifting of hanging basket system (6)、Work platforms (9) and control system (10)，Described mainframe (1) is door type structure，Mainframe (1) is symmetrically erected on main push-towing rope，Some described upset tensioning mechanisms (5) are longitudinally arranged at the lower channel forming interim open-close type between mainframe (1) two bottom sides，Described contact roller pressure-retaining system (4) is arranged on mainframe (1) and withstands main push-towing rope from down and makes to keep enough pressure between mainframe (1) and main push-towing rope，Described hoofing part mechanism (2) is arranged on mainframe (1) and drives mainframe (1) to walk by the walking on main push-towing rope，Described lifting of hanging basket system (6) is arranged on mainframe (1) lower section，Described work platforms (9) is separately mounted to outside mainframe (1) two，Described control system (10) respectively with hoofing part mechanism (2)、Contact roller pressure-retaining system (4)、Upset tensioning mechanism (5)、Lifting of hanging basket system (6) connects.
- A kind of crawler self the most according to claim 1 is walked main push-towing rope and is checked car, it is characterized in that: described mainframe (1) includes upper mounting plate (101), side truss (102), upper guardrail and pedal (103), tiltedly cat ladder (104), side truss lengthening section (105) and perpendicular cat ladder (106), described side truss (102) is located at below upper mounting plate (101) left and right sides and is collectively forming gate skeleton, described upper guardrail and pedal (103) are located on upper mounting plate (101), described oblique cat ladder (104) upper end is connected with upper mounting plate (101), described side truss lengthening section (105) is located at two ends, side truss (102) bottom, described perpendicular cat ladder (106) upper end is connected with upper mounting plate (101), lower end is connected with side truss (102).
- nullA kind of crawler self the most according to claim 1 is walked main push-towing rope and is checked car，It is characterized in that: described hoofing part mechanism (2) includes track beam (202) and driving wheel thereon (201)、Rail chain crawler belt (203)、Tensioner (205)、Guide wheel (206)，Thrust wheel (204) it is provided with between track beam (202) bottom and rail chain crawler belt (203)，The upper piece jointed shaft (207) of horizontally set of described track beam (202)，Jointed shaft (207) two ends are connected with the steering cylinder (210) being arranged on framework connecting plate (209) by steering base (208)，The upper some creeper treads of horizontally set of described rail chain crawler belt (203)，Creeper tread two ends are bent outwardly and form the arc blocking main push-towing rope，So that hoofing part mechanism (2) walks forward on main push-towing rope.
- 4. a kind of crawler self is walked main push-towing rope and is checked car, it is characterized in that: described mainframe also sets up sideslip detecting system on (1), described sideslip detecting system includes distance measuring sensor, camber control device and switching valve, distance measuring sensor is connected with camber control device, camber control device is connected with switching valve, and switching valve is connected with steering cylinder (210)；In the left and right sides of mainframe (1), the most corresponding driving wheel (201), guide wheel (206) respectively arrange one to distance measuring sensor.
- 5. a kind of crawler self as claimed in claim 1 is walked main push-towing rope and is checked car, it is characterized in that: also include equipment box (3), described equipment box (3) lays respectively at mainframe (1) both sides, bottom, is placed with hoofing part mechanism (2), contact roller pressure-retaining system (4), upset tensioning mechanism (5), the control equipment of lifting of hanging basket system (6) in case.
- 6. a kind of crawler self as claimed in claim 1 is walked main push-towing rope and is checked car, it is characterized in that: described contact roller pressure-retaining system (4) includes wheel carrier (501), compressed oil cylinder (502), fairlead weldment (503), support tube (504), copper sheathing (505), feather key (506), axle (507), wheel vulcanization member (508) and bearing pin (509), wheel carrier (501) is connected with wheel vulcanization member (508) by axle (507), drives wheel vulcanization member (508) mobile；Copper sheathing (505) and feather key (506) are respectively arranged in fairlead weldment (503) inside corresponding hole and groove, and the guide post on wheel carrier (501) slides copper sheathing (505) in, and pass through copper sheathing (505) and feather key (506) guiding；One end of compressed oil cylinder (502) is hinged with wheel carrier (501), the other end is hinged with support tube (504) by bearing pin (509), take-off lever telescopic band driving wheel frame (501) of compressed oil cylinder (502) and wheel vulcanization member (508) are along the endoporus stretching motion of fairlead weldment (503), and feather key (506) prevents wheel carrier (501) from rotating.
- 7. a kind of crawler self as claimed in claim 1 is walked main push-towing rope and is checked car, it is characterised in that: described upset tensioning mechanism (5) includes turnover panel (601), fixed plate (602), oil cylinder seat (605) and overturning oil cylinder (606)；Described overturning oil cylinder (606) is located at turnover panel (601) below, and its right-hand member is hinged with turnover panel (601) bottom, and left end is articulated with on the left of inspection car owner's truss by oil cylinder seat (605)；Described turnover panel (601) left end is articulated with on the left of inspection car owner's truss by a bearing pin (4) and pin ear (3), arranging support platform (611) bottom the right-hand member of turnover panel (601) and overlapped with fixed plate (602) level by this support platform (611), described fixed plate (602) is connected on the right side of car owner's truss with checking by No. two bearing pins (610) and No. two pins ear (609)；Turnover panel (601) can stir under the drive of overturning oil cylinder (606) up and down, described fixed plate (602) includes plate body and the drawing cylinder (607) being fixed on plate body, the tailpiece of the piston rod of described drawing cylinder (607) arranges limited block, described support platform (611) is blocked on the piston rod, when piston rod shrinks, limited block pulls support platform (611), thus turnover panel (601) is mutually strained with fixed plate (602), also it is horizontally disposed with push rod (608) facing to turnover panel (601) right-hand member in described fixed plate (602), when turnover panel (601) is mutually strained with fixed plate (602), push rod (608) plays position-limiting action.
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| CN201610546718.XA CN106012823B (en) | 2016-07-13 | 2016-07-13 | A kind of crawler self walks main push-towing rope and checks car |
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| CN201610546718.XA CN106012823B (en) | 2016-07-13 | 2016-07-13 | A kind of crawler self walks main push-towing rope and checks car |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110131589A (en) * | 2019-04-19 | 2019-08-16 | 成都市新筑路桥机械股份有限公司 | A kind of towed main push-towing rope inspection vehicle of stepping |
| CN110869267A (en) * | 2017-07-12 | 2020-03-06 | 沙特阿拉伯石油公司 | Magnetic crawler with passive backward device |
| CN112900260A (en) * | 2021-04-07 | 2021-06-04 | 中冶检测认证有限公司 | Self-walking type suspension bridge main cable detection trolley |
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| CN205917594U (en) * | 2016-07-13 | 2017-02-01 | 中交公路规划设计院有限公司 | Crawler -type is from walking main push -towing rope inspection trolley |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110869267A (en) * | 2017-07-12 | 2020-03-06 | 沙特阿拉伯石油公司 | Magnetic crawler with passive backward device |
| CN110131589A (en) * | 2019-04-19 | 2019-08-16 | 成都市新筑路桥机械股份有限公司 | A kind of towed main push-towing rope inspection vehicle of stepping |
| CN112900260A (en) * | 2021-04-07 | 2021-06-04 | 中冶检测认证有限公司 | Self-walking type suspension bridge main cable detection trolley |
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