CN104846739A - Bridge inspection and maintenance device - Google Patents
Bridge inspection and maintenance device Download PDFInfo
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- CN104846739A CN104846739A CN201510208602.0A CN201510208602A CN104846739A CN 104846739 A CN104846739 A CN 104846739A CN 201510208602 A CN201510208602 A CN 201510208602A CN 104846739 A CN104846739 A CN 104846739A
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- walking
- bridge
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- bridge inspection
- inspection maintenance
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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
Abstract
The invention relates to a bridge inspection and maintenance device comprising a walking guidance beam (1) which is arranged along the extension direction of a bridge, an inspection channel (2) which is used for supporting maintenance personnel and equipment, a channel walking mechanism (3) which is used for driving the inspection channel (2) to move along the walking guidance beam (1), a channel rotating mechanism (4) which is used for rotating the inspection channel (2) from a position vertically extending with respect to the walking guidance beam (1) to a position being parallel to the walking guidance beam (1), a series of separated hanging mechanisms that are alternately arranged on corresponding beams of the bridge, and at least three supporting walking units (6). The distance between the farthest two hanging mechanisms among any three adjacent hanging mechanisms is less than the length of the walking guidance beam (1); each of the supporting walking units (6) is provided with a unit walking mechanism that is arranged on the walking guidance beam (1) in a walking manner, and is hung on the walking guidance beam (1). Comparing with the prior art, the bridge inspection and maintenance device reduces the building cost of bridges, and the bridge inspection and maintenance device is convenient to be popularized.
Description
Technical field
The present invention relates to bridge inspection maintenance unit, relate in particular to a kind of maintenance and inspection device of continuous span bridge.
Background technology
Up to now, China high ferro operation mileage nearly ten thousand kilometers, calculate in the ratio on bridge the line is busy road 52%, China's high-speed rail bridge about has more than 5,000 kilometers.Bridge is as the substructure of track, and for guaranteeing the safety of high-speed cruising condition, stationarity and ride comfort requirement, must have high ride, high stability and high reliability, therefore, the examination and repair of bridge seems extremely important.
High-speed rail bridge inspection vehicle is that one can provide job platform, equipment for bridge machinery personnel, for the professional vehicle of flowing checking and maintenance, have flexibly, feature fast and efficiently---by self power or railcar traction, operating location can be arrived fast, effectively utilize skylight point; Do not affect in operation process and face line traffic, and can not regain implement low speed between operating point and advance, operating efficiency is high.
According to high-speed rail bridge feature, the key technology demand of high-speed rail bridge inspection vehicle (can referred to as bridge-checking vehicle) comprising: 1. Main Function checks bridge bottom surface, facade and bridge pier state; 2. ensure that bridge-checking vehicle has the ability of continuous walking between simply supported beam and continuous beam; 3. bridge-checking vehicle should be able to adapt to the caused impact different from simply supported beam bridge pier of continuous beam bridge pier; 4. must consider that line bar and contact net are to the restriction of operating space.
For meeting above-mentioned technical need, the high-speed rail bridge inspection vehicle adopted at present mainly comprises basket-hanging and truss-like two kinds.Wherein truss-like high-speed rail bridge inspection vehicle point vehicular (also claiming self-propelled) and pull-type again.In use, need to regain the trussed construction stretched out when vehicular truss high-speed rail bridge inspection vehicle runs into contact net vertical rod in moving process, when pull-type truss high-speed rail bridge inspection vehicle runs into bridge pier in moving process, then need to avoid the interference of bridge pier.
Zhengzhou Dafang Bridge Machinery Co., Ltd. has delivered a kind of high-speed railway special utility bridge machinery maintenance car (DQJ95/21 type pull-type) in January, 2010 on " bridge " periodical, wherein key technology comprises: hang mode under adopting case beam, the wherein pre-buried structural member for track installation in bridge side, welded rails support member on built-in fitting, and settle track, track is arranged in case beam both sides, adopts two bridge-checking vehicles to carry out the maintenance of case beam; Be provided with expansion bracket, make this expansion bracket structure meet detection to 3-6.5m differing heights case beam facade, this expansion bracket achieves the function of bridge-checking vehicle by bridge pier simultaneously; Be provided with the large degree of depth, rotatable access path, make single access path length reach 8.5m, and 90 ° of rotations can be carried out, meet wide-span case ellbeam floor detection needs; Duplicate rows walking power source is installed, complete machine both can manually manually be walked, also can electric walking; Adopt two bridge-checking vehicle to be arranged symmetrically with in case Liang Liang side, use parallel function, two bridge-checking vehicles can be connected and carry out the detection of case beam.
During Measuring error, test and repair vehicle is in the state that expansion bracket stretches out completely, and working platform is in and stretches direction and the state paralleled with bridge bottom surface perpendicular to bridge.Now along with test and repair vehicle is slowly walked along the bridge direction that stretches, staff, by the aisle on working platform and the main frame that is connected between working platform and track, completes bottom pier coping portion, case beam and the Measuring error of sidepiece.When bridge-checking vehicle needed bridge pier, staff makes working platform horizontally rotate 90 ° by operating walk way slew gear, make working platform and the bridge direction that stretches parallel, expansion bracket is packed up simultaneously, make the shoulder that working platform is given prominence to higher than bridge pier, with this in test and repair vehicle is advanced forward, avoid the interference of bridge pier, pass through bridge pier.After crossing pier, then state when reverting to Measuring error proceeds upkeep operation.This shows, pull-type truss high-speed railway bridge test and repair vehicle obvious advantage is that the operation of its service work to high ferro does not have an impact substantially, therefore has greater flexibility to the time of service work, the selection of weather.
But above-mentioned prior art needs to lay dedicated track, and this will pay corresponding construction cost.And domestic high-speed rail bridge is in order to reduce bridging cost, majority does not all do considers design accordingly, and this part high-speed rail bridge is at present in the overwhelming majority with bridge.The bridge deck-siding that this wherein has narrows, and without sense channel, this is also for subsequent installation dedicated track brings inconvenience.
Chinese patent literature CN203947413U discloses a kind of bridge top chord check car.This bridge top chord check car comprises and connects corridor and column, described column is fixed on described connection corridor, two ends, described connection corridor are symmetrical is respectively provided with walking mechanism, described connection corridor is arranged on bridge movably by described walking mechanism, described walking mechanism comprises walking beam and carrying platform, described carrying platform is arranged on described walking beam movably, described walking beam is arranged on bridge movably, the bottom of described walking beam is provided with claw, the top of described carrying platform is fixed with the described corridor that is connected, liftable support clips is provided with bottom it, bridge is provided with multiple connector, described claw and described support clips can be connected on the connector on bridge.The bridge top chord check car that the prior art provides can be climbed without the need to laying track by walking mechanism, saves the material full-bridge laying track with low cost.
But, inspection trolley disclosed in above-mentioned Chinese patent literature, its structures shape its be not suitable for pull-type truss high-speed railway bridge test and repair vehicle and complete like this bottom pier coping portion, case beam and the device of the Measuring error of sidepiece.
In addition; applicant is also noted that: in concrete-bridge manufacture; and in use procedure; because concrete hy-dration reaction or outside air temperature sudden change cause internal-external temperature difference to cross conference, case beam is caused damage; so usually in the position not affecting bridge bulk strength and use, normally air vent can be provided with on sidewall.
Summary of the invention
For this reason, the problem that the pull-type truss high-speed railway bridge test and repair vehicle that technical problem to be solved by this invention is not install dedicated track formula cannot be installed, use, and a kind of bridge inspection maintenance unit not needing to install dedicated track is proposed thus.
For solving the problems of the technologies described above, a kind of bridge inspection maintenance unit of the present invention, comprises
Walking nose girder, it is longitudinally arranged along high-speed rail bridge bearing of trend;
Access path, for carrying maintainer and equipment,
Passage walking mechanism, moves along described walking nose girder for driving described access path;
Passage slew gear, is arranged between described passage walking mechanism and described access path, for described access path is turned back to the position parallel relative to described walking nose girder from relative to the described vertically extending position of walking nose girder;
A series of discrete carry mechanism, in corresponding bridge beam body, interval is arranged, and the spacing of farthest two described carry mechanisms of any three adjacent described carry mechanisms is less than the length of described walking nose girder;
At least three support walking unit, support walking unit and have unit walking mechanism respectively, to be arranged on walking on described walking nose girder, and tangle described walking nose girder described in each.
Bridge inspection maintenance unit of the present invention also has the controller controlling described passage slew gear and the action of described support walking unit.
Described carry mechanism is molded over the air vent on described bridge beam body sidewall; The described walking unit that supports is provided with and is suitable for inserting and extracts the extension pin of described air vent, and the retractable driving device that described extension pin is walked on unit by described support drives.
Described extension pin comprises hollow main bearing bar, telescopically is arranged on the stretching bar in described main bearing bar, be provided with a pulling claw to guide in the leading section of described stretching bar, being provided with on described pulling claw guides can folding pulling claw, in the aft mounted push stopping part of described main bearing bar, and a pawl driving mechanism driving the relatively described main bearing bar of described stretching bar axially relatively to move back and forth.
Described support walking unit is also provided with detent mechanism, and described detent mechanism comprises one and seeks a recognition device, and one changes the described extension pin high-low regulating hanging pin relatively described support walking unit high and low position; Described hang pin high-low regulating coordinate described unit walking mechanism according to described in seek signal that recognition device obtains and control described extensions by described controller and sell the described air vent of aligning.
A described recognition device of seeking is a video visual recognition device.
Also supplementary lighting sources is provided with near described video visual recognition device.
Described support walking unit can be five, and the length of described walking nose girder is greater than the spacing of farthest two described carry mechanisms of any five adjacent described carry mechanisms.
Elevating mechanism is provided with between described passage walking mechanism and described passage slew gear.
Further, above-mentioned parts respectively arrange a set of in bridge both sides, are arranged symmetrically with; In using state, the adjacent end portion of described access path removably links together, shape all-in-one-piece passage.
Described access path can also be Telescopic truss structure.
Technique scheme of the present invention has the following advantages compared to existing technology:
First, bridge inspection maintenance unit of the present invention due to do not need dedicated track to support and for walking, for high ferro construction saves a large amount of track materials.
In addition, because the present invention adopts bridge air vent inherently as carry mechanism, need not be therefore the application of pull-type truss high-speed railway bridge Measuring error device and pay extra cost, the processing of installing dedicated track is carried out to bridge.Be convenient to current high-speed rail bridge on promote the use of rapidly bridge inspection maintenance unit of the present invention.
Hang the upper locking mechanism arranged of pin described extension pin to be linked together securely with bridge beam body, ensure the safety hung over.
Support on walking unit and the site error that detent mechanism overcomes concrete simply supported beam, continuous beam certainly exists in the fabrication process is set, ensure to support certainly being dynamically connected of walking unit and carry mechanism, the reliability of raising joint efficiency and connection.
Accompanying drawing explanation
In order to make content of the present invention be more likely to be clearly understood, below according to a particular embodiment of the invention and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is the perspective view of bridge inspection maintenance unit of the present invention;
Fig. 2 be embodiment illustrated in fig. 1 in support walking unit perspective view;
Fig. 3 is the spot figure that in schematic diagram 2, camera seeks an operating principle to air vent;
Fig. 4 be embodiment illustrated in fig. 2 in the structural representation that is connected with air vent of extension pin;
Fig. 5 A-i is the schematic diagram of the course of work in a display walking cycle embodiment illustrated in fig. 1.
In figure, Reference numeral is expressed as: 1-walk nose girder, 2-access path, 3-passage walking mechanism, 4-passage slew gear, 5-air vent, 6-support walking unit, 7-unit walking mechanism, 8-hang pin, 9-retractable driving device, the main bearing bar of 10-, 11-stretching bar, 12-pulling claw guide, 13-can folding pulling claw, 14-push stopping part, 15-pawl driving mechanism, 16-camera, 17-hang sell high-low regulating, 19-elevating mechanism.
Detailed description of the invention
Below in conjunction with accompanying drawing, concrete scheme of the present invention is explained.
See Fig. 1, a kind of bridge inspection maintenance unit of the present invention, comprises walking nose girder 1, access path 2, passage walking mechanism 3, passage slew gear 4, a series of discrete air vent 5, five as carry mechanism support walking unit 6 and controller.Longitudinally arranging along high-speed rail bridge bearing of trend of described walking nose girder 1, described access path 2 is for carrying maintainer and equipment, described passage walking mechanism 3 moves along described walking nose girder 1 for driving described access path 2, described passage slew gear 4 is arranged between described passage walking mechanism 3 and described access path 2, for described access path 2 is turned back to the position parallel relative to described walking nose girder 1 from relative to the described vertically extending position of walking nose girder 1, a series of discrete air vent 5 is disposed in corresponding bridge beam body, the spacing of farthest two described air vents 5 of any five adjacent described air vents 5 is less than the length of described walking nose girder 1, five support walking unit 6 and have unit walking mechanism 7 respectively, and described unit walking mechanism 7 is arranged on supporting walking unit 6 described in each on described walking nose girder 1 with walking, and tangles described walking nose girder 1, described controller is for controlling described passage slew gear 4 and describedly supporting walking unit 6 action.See Fig. 2, described support walking unit 6 is provided with and is suitable for inserting and extracts the extension pin 8 of described air vent 5, and described extension pin 8 drives by the described retractable driving device 9 of walking on unit 6 that supports.In the present embodiment, described extension pin 8 comprises telescopically and is arranged on the described hollow main bearing bar 10 supported on walking unit 6, telescopically is arranged on the stretching bar 11 in the axial hollow cavity of described main bearing bar 10, be provided with a pulling claw in the leading section of described stretching bar 11 and guide 12, guide at described pulling claw that be provided with on 12 can folding pulling claw 13, in the aft mounted push stopping part 14 of described main bearing bar 10, and one drive described can folding pulling claw 13 at the edge open configuration that can block described air vent 5 and the pawl driving mechanism 15 that can move back and forth between the collapse state of air vent 5 described in retraction.Described retractable driving device 9 drives described main bearing bar 10 and described stretching bar 11 is flexible moves back and forth, and the structure and working principle of its Multi-section electric telescopic stem such as with electric expansion antenna is identical, is not repeated at this.Described support walking unit 6 is also provided with detent mechanism, and described detent mechanism comprises one as the camera 16 seeking a recognition device, and one changes the relatively described extension pin high-low regulating 17 supporting walking unit 6 high and low position of described extension pin 8; Described extension pin high-low regulating 17 coordinates described unit walking mechanism 7 to control described extension pin 8 according to the signal that described camera 16 obtains by described controller to aim at described air vent 5.In order to ensure the effect of visual identity under different environment for use, near described camera 16, be provided with supplementary lighting sources, such as, carry 30W LED light source, realize the light source supply in the poor situation of light.In the present embodiment, be the differing heights change in size between adapting to bottom described air vent 5 and described bridge beam body, between described passage walking mechanism 3 and described passage slew gear 4, be provided with elevating mechanism 18.
During work, the described extension pin 8 on described support walking unit 6 is as follows with the cooperating process of described air vent 5:
Described support walking unit 6 moves back and forth under described unit walking mechanism 7 drives on described walking nose girder 1, and finds the described air vent 5 that will be connected and fixed by the described camera 16 of described camera 16 disposed thereon.First move predetermined distance according to predetermined relative position, until needed for the described air vent 5 that is connected and fixed appear within the field range of camera 16.Then, when the required described air vent 5 be connected and fixed appears within field range, detect with the position of the sample frequency of 10 per second to the required described air vent 5 be connected and fixed, binary conversion treatment is carried out to acquisition image, the image of black splotch can obtain black and white contrast, forming containing patchhole, by verge searching algorithm, find the particular location of black splotch in the picture.In black splotch region, by center of gravity finding algorithm, position of centre of gravity can be obtained, because the black splotch that the described air vent 5 that will be connected and fixed is formed mostly is oval or circular, so its center of gravity i.e. center, i.e. the pixel coordinate of the center of circle in two dimensional image.Again by the geometrical relationship that CCD, camera lens and bridge floor are formed, the pixel coordinate in the center of circle is changed, obtain the real coordinate position in the center of circle, as shown in Figure 3.The x of described air vent 5 apart from camera 16 center, the actual range in y-axis direction that will be connected and fixed can be obtained thus.Because the distance of camera 16 central axis relative to described extension pin 8 central axis can be obtained by the absolute encoder of servomotor, the correction value therefore adding this distance can obtain the distance between patchhole to insert head.Along with the described movement supporting walking unit 6, this range data can constantly upgrade, to revise all interference that extraneous factor is brought, until the described pulling claw of described extension pin 8 guides 12 can accurately insert in this air vent 5.
Described retractable driving device 9 drives the relatively described main bearing bar 10 of described stretching bar 11 to move axially, make the described pulling claw of the leading section of described stretching bar 11 guide 12 to stretch in described air vent 5, then drive described main bearing bar 10 to stretch into together in described air vent 5.When the aft mounted described push stopping part 14 of described bearing bar is resisted against in described bridge beam body, described pawl driving mechanism 15 acts on, and what make described pulling claw guide on 12 describedly can open by folding pulling claw 13.For one of ordinary skill in the art, the structure of described pawl driving mechanism 15 has the multiple form that can adopt, stretch out as telescopic ball-point pen clicks nib, click the structure that nib is retracted again, the form of structure that the present embodiment adopts is that a resilient bias makes described to remain on collapse state by folding pulling claw 13, and one acts on described bracing wire on folding pulling claw 13 can pulling and make describedly to overcome described biasing force and move to open configuration etc. by folding pulling claw 13.After this, described retractable driving device 9 drives the relatively described main bearing bar 10 of described stretching bar 11 to move axially to retracted orientation, makes described pulling claw guide 12 to produce displacement with described push stopping part 14, tension location.Realize the described connection supported between walking unit 6 and described air vent 5 thus.When needs depart from connection, described retractable driving device 9 drives the relatively described main bearing bar 10 of described stretching bar 11 to move axially to stretching out direction as shown in Figure 4, described bracing wire loosen make described can folding pulling claw 13 under the partial pressure of described resilient bias, move to collapse state.After this, described retractable driving device 9 drives the relatively described main bearing bar 10 of described stretching bar 11 to move axially to retracted orientation, and then drive described main bearing bar 10 1 in the same way retracted orientation move axially, and contract from described air vent 5, complete the connection between described support walking unit 6 and described air vent 5 and disconnecting process thus.
The walking course of work of the described bridge inspection maintenance unit in the present embodiment is as follows:
Utilize described support walking unit 6 to realize described bridge inspection maintenance unit with described walking nose girder 1 routing motion to be movably walking, first described in other support walking unit 6 and described walking nose girder 1 motionless, walking unit 6 is supported (certainly described in one of them, according to the situation of the present embodiment, simultaneously mobilely support walking unit 6 described in two or three and be also fine) described extension pin 8 according to the aforementioned described cooperating process supporting the described extension pin 8 on walking unit 6 and described air vent 5, extract described extension pin 8 from the described air vent 5 bridge beam body after, this support walking unit 6 is driven to move towards direction of advance along described walking nose girder 1 by described unit walking mechanism 7, find the position, hole of air vent 5 described in another, and according to the aforementioned described cooperating process supporting described extension the pin 8 and described air vent 5 of walking on unit 6, the described extension pin 8 of this support walking unit 6 is inserted in new-found described air vent 5, be fixed on Liang Tishang.Move successively again described in other and support walking unit 6, move forward until all described support walking unit 6 all complete.
Then, the described unit walking mechanism 7 supporting walking unit 6 described at least one drives described walking nose girder 1 to move forward walking.
Afterwards, described passage walking mechanism 3 drives described access path 2 to move along described walking nose girder 1, carries out maintenance and inspection work.
High-speed railway Common Span type of bridge is more, and its deck-molding, case are wide, gravity vent spacing is had nothing in common with each other, and different beam type parameter difference is larger.Gravity vent spacing is generally 2m, and be 6.7m at 24m beam joint maximum spacing, for solving the problem that gravity vent spacing changes greatly, the present embodiment arranges five described support walking unit 6 altogether on walking nose girder 1, and only need four described support walking unit 6 alternately to move ahead between two in the ordinary course of things, only bear the load of device with two described support walking unit 6 simultaneously.When need by 6.7m maximum spacing time, increase the 5th described support walking unit 6 and work, lower three described support of this operating mode unit 6 of walking carry simultaneously.
Seeing Fig. 5 a, is mobile front state, is now moved to by described access path 2 below middle described support walking unit 6, then moves forward described walking nose girder 1.While described unit walking mechanism 7 moves described walking nose girder 1, described passage walking mechanism 3 also drives described access path 2 with equal speed by contrary moving direction, described access path 2 is moved and remains on below described support walking unit 6.Described like this access path 2 is the equal of counterweight for walking nose girder 1, and when acquisition walking nose girder 1 anterior extension end crosses over 7.7 metre hole distance, cantilever is unlikely to undue downwarp.
See Fig. 5 b, described walking nose girder 1 moves forward, and first, front described support walking unit 6 strides across bridge stub and inserts first air vent 5 place nearest in adjacent left bridge beam body.And in the manner aforesaid described being connected to is hung pin 8 and be inserted in air vent 5 described in this and be connected and fixed.
See Fig. 5 c, the reach of the described support walking in second, front unit 6 strides across first air vent 5 of this bridge beam body near adjacent bridge beam body, be not connected and fixed with air vent described in this 5, the 3rd, front is described supports first air vent 5 place that walking unit 6 moves forward to this bridge beam body, and is connected and fixed with air vent described in this 5.
As fig 5d, described access path 2 moves forward a pitch of holes.
Then as depicted in fig. 5e, support second and the 3rd air vent 5 place that walking unit 6 is advanced to this bridge beam body described in remaining, and be connected and fixed with air vent described in these 5 successively.
See Fig. 5 f, more described walking nose girder 1 is moved forward a pitch of holes, first, front described support walking unit 6 moves forward to second described air vent 5 place in adjacent left bridge beam body, and is connected and fixed with this second described air vent 5.
See Fig. 5 g, second, front is described supports first air vent 5 place that walking unit 6 is advanced to adjacent bridge beam body, and is connected and fixed with this first described air vent 5.Now, described access path 2 is opened, and rotates to the state treating bridge pier under the drive of described passage slew gear 4.
See Fig. 5 h, described walking nose girder 1 moves forward a pitch of holes again, and first, front described support walking unit 6 moves forward to the 3rd described air vent 5 place in adjacent left bridge beam body, and is connected and fixed with the 3rd described air vent 5.
See Fig. 5 i, second, front is described supports second air vent 5 place that walking unit 6 is advanced to adjacent bridge beam body, and is connected and fixed with this second described air vent 5.Then, described access path 2, by bridge pier, arrives after below described support walking unit 6, rotates to duty and close up under the drive of described passage slew gear 4.So far terminated by the course of work of bridge pier, after this 3rd to the 5th described support walking unit 6 is progressively advanced to corresponding described air vent 5, and is attached thereto fixing.Enter normal walking states.
The simply supported beam of bridge and the gravity vent of continuous beam deposit in height difference, and the described described extension pin high-low regulating 17 supporting walking unit 6 of the present invention, can also adapt to bridge inspection maintenance unit seamlessly transitting between simply supported beam and continuous beam.Figure 16 be simply supported beam and continuous beam seamlessly transit operating mode.
When running into pier in continuous beam, walk around middle pier because the width of pier in continuous beam is greater than the width of bridge beam body box as wanted, what beam inspection maintenance unit can be made to become is very huge.For this reason, in the present embodiment, the described elevating mechanism 18 be arranged between described passage walking mechanism 3 and described slew gear can avoid pier in these by being elevated described access path 2.
Be more than the explanation of the structure and working principle of half range bridge inspection maintenance unit, be then that above-mentioned parts are respectively arranged a set of in bridge both sides for view picture bridge inspection maintenance unit, be arranged symmetrically with.In using state, the adjacent end portion of described access path 2 removably links together, shape all-in-one-piece passage.
Cross the requirement of pier stud for adapting to described access path 2, and be convenient to revolution.Described access path 2 can also be Telescopic truss structure.
For above-described embodiment, the present invention can also do the following replacement and change:
From two dot point principle in line, the function that bridge inspection maintenance unit of the present invention has three to support walking unit 6 and just can realize supporting and walking.Namely wherein any two for supporting, and another is for movement, as above-mentioned alternately move mode realizes the walking of bridge inspection maintenance unit.Accordingly, in a series of discrete carry mechanism, the spacing of farthest two described carry mechanisms of any three adjacent described carry mechanisms is less than the length of described walking nose girder 1
When described bridge beam body is shaping, the reinforcing bar with predetermined strength be located in described bridge beam body can also be applicable to, described reinforcing bar be exposed described bridge beam body part and be made into hook-shaped Reinforced hook as described carry mechanism.Correspondingly, described support on walking unit 6 is then provided with the de-extension parts that are suitable for tangling with Reinforced hook described in these or departing to replace the described extension pin 8 in previous embodiment, corresponding described de-extension parts drive by the described drive unit supported on walking unit 6 equally, and under the guiding being decided to be mechanism, complete the connection with described Reinforced hook.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain of the invention.
Claims (12)
1. a bridge inspection maintenance unit, comprises
Walking nose girder (1), it is longitudinally arranged along high-speed rail bridge bearing of trend;
Access path (2), for carrying maintainer and equipment,
Passage walking mechanism (3), for driving described access path (2) mobile along described walking nose girder (1);
Passage slew gear (4), be arranged between described passage walking mechanism (3) and described access path (2), for described access path (2) is turned back to the position parallel relative to described walking nose girder (1) from relative to the vertically extending position of described walking nose girder (1);
It is characterized in that; Also comprise
A series of discrete carry mechanism, in corresponding bridge beam body, interval is arranged, and the spacing of farthest two described carry mechanisms of any three adjacent described carry mechanisms is less than the length of described walking nose girder (1);
At least three support walking unit (6), support walking unit (6) and have unit walking mechanism respectively, to be arranged on walking on described walking nose girder (1), and tangle described walking nose girder (1) described in each.
2. bridge inspection maintenance unit according to claim 1, is characterized in that: also have and control described passage slew gear (4) and the described controller supporting walking unit (6) action.
3. bridge inspection maintenance unit according to claim 1 and 2, is characterized in that: described carry mechanism is the air vent (5) be molded on described bridge beam body sidewall; Describedly support walking unit (6) and be provided with and be suitable for inserting and extract the extension pin of described air vent (5), described extension pin is by described retractable driving device (9) drive supported in walking unit (6).
4. bridge inspection maintenance unit according to claim 3, is characterized in that: described extension pin comprises main bearing bar (10) and is arranged on the locking mechanism on described main bearing bar (10).
5. bridge inspection maintenance unit according to claim 4, it is characterized in that: described locking mechanism comprise telescopically be arranged on described main bearing bar (10) hollow in stretching bar (11), be provided with a pulling claw in the leading section of described stretching bar (11) and guide (12), guide at described pulling claw that (12) be provided with can folding pulling claw (13), the aft mounted thrust parts (14) of described main bearing bar (10), and a pawl driving mechanism (15) driving the relatively described main bearing bar (10) of described stretching bar (11) axially relatively to move back and forth.
6. the bridge inspection maintenance unit according to claim 3-5 any one, it is characterized in that: described support walking unit (6) is also provided with detent mechanism, described detent mechanism comprises one and seeks a recognition device (16), and one changes the described extension pin high-low regulating (17) hanging pin relatively described support walking unit (6) high and low position; Described hang pin high-low regulating (17) coordinate described unit walking mechanism according to described in seek signal that a recognition device (16) obtains and control described extensions by described controller and sell the described air vent of aligning (5).
7. bridge inspection maintenance unit according to claim 6, is characterized in that: described in seek a recognition device (16) be a video visual recognition device.
8. bridge inspection maintenance unit according to claim 7, is characterized in that: near described video visual recognition device, be also provided with supplementary lighting sources.
9. the bridge inspection maintenance unit according to claim 3-8 any one, it is characterized in that: described support walking unit (6) is five, the length of described walking nose girder (1) is greater than the spacing of farthest two described carry mechanisms of any five adjacent described carry mechanisms.
10. the bridge inspection maintenance unit according to claim 1-9 any one, is characterized in that: between described passage walking mechanism (3) and described passage slew gear (4), be provided with elevating mechanism (18).
11. bridge inspection maintenance units according to claim 1-10 any one, is characterized in that: above-mentioned parts respectively arrange a set of in bridge both sides, are arranged symmetrically with; In using state, the adjacent end portion of described access path (2) removably links together, shape all-in-one-piece passage.
12. bridge inspection maintenance units according to claim 1-11 any one, is characterized in that: described access path (2) is Telescopic truss structure.
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| CN201510208602.0A CN104846739B (en) | 2015-04-28 | 2015-04-28 | Bridge inspection and maintenance device |
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| CN201510208602.0A CN104846739B (en) | 2015-04-28 | 2015-04-28 | Bridge inspection and maintenance device |
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| CN104846739B CN104846739B (en) | 2017-01-25 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN107632023A (en) * | 2017-09-06 | 2018-01-26 | 徐宗涛 | Bridge machinery structure and its detection method |
| CN108708277A (en) * | 2018-06-29 | 2018-10-26 | 中国葛洲坝集团第工程有限公司 | Overpass bridge bottom wire laying device |
| CN109811652A (en) * | 2019-03-27 | 2019-05-28 | 兰州交通大学 | A kind of mixed combined box beam bridge testing apparatus of assembled Wavelike steel webplate steel- |
| CN109837834A (en) * | 2019-01-15 | 2019-06-04 | 北京恒力铁科技术开发有限公司 | Arch bridge video check vehicle and arch bridge video check vehicle and track fit structure |
| CN110700093A (en) * | 2019-10-24 | 2020-01-17 | 武汉武桥交通装备技术有限公司 | Trackless running gear of beam bottom inspection vehicle |
| CN113123231A (en) * | 2021-05-12 | 2021-07-16 | 衡橡科技股份有限公司 | Rotary lifting type bridge inspection vehicle |
| CN113202019A (en) * | 2021-04-06 | 2021-08-03 | 贵州省质安交通工程监控检测中心有限责任公司 | Walking trolley capable of self-adapting to change of space between narrow walls |
| EP4007835A4 (en) * | 2019-08-02 | 2023-07-19 | Brandsafway Services, LLC | Monorail system and related scaffold structures, systems and methods of use |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105155430A (en) * | 2015-08-20 | 2015-12-16 | 株洲国铁实业有限公司 | Gantry walking type maintaining and detecting method and device for high-speed railway bridge |
| CN107632023A (en) * | 2017-09-06 | 2018-01-26 | 徐宗涛 | Bridge machinery structure and its detection method |
| CN107632023B (en) * | 2017-09-06 | 2020-01-31 | 兰州交通大学工程检测有限公司 | Bridge detection structure and detection method thereof |
| CN108708277A (en) * | 2018-06-29 | 2018-10-26 | 中国葛洲坝集团第工程有限公司 | Overpass bridge bottom wire laying device |
| CN109837834A (en) * | 2019-01-15 | 2019-06-04 | 北京恒力铁科技术开发有限公司 | Arch bridge video check vehicle and arch bridge video check vehicle and track fit structure |
| CN109811652A (en) * | 2019-03-27 | 2019-05-28 | 兰州交通大学 | A kind of mixed combined box beam bridge testing apparatus of assembled Wavelike steel webplate steel- |
| EP4007835A4 (en) * | 2019-08-02 | 2023-07-19 | Brandsafway Services, LLC | Monorail system and related scaffold structures, systems and methods of use |
| CN110700093A (en) * | 2019-10-24 | 2020-01-17 | 武汉武桥交通装备技术有限公司 | Trackless running gear of beam bottom inspection vehicle |
| CN113202019A (en) * | 2021-04-06 | 2021-08-03 | 贵州省质安交通工程监控检测中心有限责任公司 | Walking trolley capable of self-adapting to change of space between narrow walls |
| CN113123231A (en) * | 2021-05-12 | 2021-07-16 | 衡橡科技股份有限公司 | Rotary lifting type bridge inspection vehicle |
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