CN105155430B - High-speed Railway Bridges beam gantry walking maintenance conditions method and maintenance conditions device - Google Patents

High-speed Railway Bridges beam gantry walking maintenance conditions method and maintenance conditions device Download PDF

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CN105155430B
CN105155430B CN201510513254.8A CN201510513254A CN105155430B CN 105155430 B CN105155430 B CN 105155430B CN 201510513254 A CN201510513254 A CN 201510513254A CN 105155430 B CN105155430 B CN 105155430B
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frame
bridge
maintenance
nose girder
detecting
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CN105155430A (en
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罗雀林
唐红文
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ZHUZHOU NATIONAL RAILWAY INDUSTRIAL Co Ltd
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ZHUZHOU NATIONAL RAILWAY INDUSTRIAL Co Ltd
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Abstract

A kind of High-speed Railway Bridges beam gantry walking maintenance conditions method and maintenance conditions device, it is characterised in that:Maintenance and detecting system using a kind of generally portal-framed structure form;The maintenance of described portal-framed structure form and detecting system be in the case where a support high-speed rail bridge guardrails of both sides is set up in bridge both sides joist as walking and the fulcrum of work gate-type alternately walking maintenance and detecting system;Walked along iron wire high on high-speed railway bridge by the maintenance and detecting system of portal-framed structure form, and bridge repaired in the process of walking or is detected the preventive inspection and maintenance conditions operation to complete high-speed railway bridge.

Description

High-speed Railway Bridges beam gantry walking maintenance conditions method and maintenance conditions device
Technical field
The present invention relates to a kind of maintenance conditions method and device of railway infrastructure, and in particular to a kind of high-speed railway The maintenance conditions method and device of bridge, is run with the normal safe for ensureing high-speed railway bridge, category railway infrastructure detection Maintenance technology field.
Background technology:
With developing rapidly for high-speed railway, China's high-speed rail bridge gets a lot of applications in high ferro, and present China is high Metal bridge beam is mainly characterized by:Bridge the line is busy road ratio is big, and multispan is overhead, bridge long, Longspan Bridge are more;Design speed per hour 300km, The Passenger dedicated railway Bridge of 350km all uses non-fragment orbit;Use to wait the whole hole prestressed concrete of 32 meters of two-wires across arrangement Simple supported box beam is principal mode structure, on a small quantity 24 meters of simple supported box beams of configuration.
Calculated by 1.3 ten thousand kilometers of existing line, China's high-speed rail bridge at least more than 5,000 kilometers.Bridge is used as bullet train The carrier of running track, to ensure security, stationarity and the ride comfort requirement of high ferro visitor's special line high-speed cruising, it is necessary to With high ride, high stability and high reliability.By the traffic accident that bridge hidden danger is brought, often car crash Serious accident, therefore constantly detection, maintenance, the means and equipment of maintenance of lifting high-speed rail bridge, it appears more important and urgent.
Because railroad bridge is important part in high ferro circuit, detection and dimension of China's high ferro management level to bridge Shield is increasingly paid attention to, and the rail-mounted bridge-checking vehicle of railway is to substantially meet high-speed railway bridge maintenance now to be set with the one kind safeguarded Standby, still place enters to research and develop the primary stage at home, substantially based on introduction.
Railroad bridge maintenance conditions device can be divided into bridge floor main line track walking type, bridge case according to the method for operation substantially The special walking rails formula of web built-in fitting, pavement walking type and ground cross-country.
(1)Bridge floor main line track walking type bridge checking device
It is traveling track with railway main line track, travel speed is fast, Stability Analysis of Structures, technology are more ripe, has both at home and abroad Using.Rail-mounted bridge checking device, either basket-hanging or truss-like are required for taking high ferro operation passage, therefore can only be Run under the conditions of high ferro operation " skylight ", and high-speed railway running train density is big, it is desirable to punctuality rate is high, and it is not to open up " skylight " Reality, and its Working mechanism protrudes horizontally up from circuit both sides, is limited by the contact net of circuit both sides, is worked completing one After point, Working mechanism must be retracted to the state of reorganizing and outfit avoids contact net could run to next operating point.Two operating points Between, operating personnel must repeatedly manipulate implement retractable, not only inefficiency, staff be also easy to it is tired out, this show High speed so with high-speed railway, efficient requirement are runed counter to.
(2)Bridge box and beam web built-in fitting dedicated track walking type bridge checking device
It is traveling track with bridge both sides dedicated track, bridge machinery operation, technology can be carried out with manpower or driven by power There is the GQJ-P of Zhuzhou Guo Tie Industrial Co., Ltd.s ripe, Stability Analysis of Structures, the country;The range of models bridge checking device such as GQJ-G(And in Patent, the patent No. are declared within 2011:ZL 2011.2 0164584.8)But, the built-in fitting of the bridge checking device need to set in bridge At the beginning of meter will design arrangement, during beam processed in bridge web pre-buried trapped orbit support built-in fitting, and need set Built-in fitting, track and track support quantity are more, and installation risk is larger, and totle drilling cost is higher.And existing high-speed rail bridge percent More than 98 do not have pre-plugged built-in fitting, it is impossible to install dedicated track walking type bridge checking device.
(3)Pavement walking type bridge checking device
Pavement with railroad bridge both sides is to walk row of channels, at home and abroad there is application, such as MOOG companies of Germany MBS90 The desk-top bridge checking device of type sidewalk traveling.China is after high-speed railway bridge in 2008 has carried out optimization design, it is considered to bullet train Traffic safety, do not allow personnel and miscellaneous equipment to pass through during train operation, on bridge floor, catenary mast is arranged at outside pavement Side, therefore pavement walking type bridge checking device has not been suitable for country's high-speed rail bridge now.
(4)Ground cross-country bridge checking device
Ground sidewalk or field meadow under bridge are run on, closely bridge machinery and dimension are implemented by foldable arm rack hanging basket Repair.The device is not suitable for the region that traffic above-ground limitation can not run, such as:Rivers, mountain area, farmland etc., applicable interval are smaller, And being influenceed larger by bridge height and ground surface or terrain, applicability is poor, inefficiency.
And from 2008, high-speed railway bridge carried out bridge deck Optimized Improvement Design, it is considered to which bullet train runs Safety, does not allow the upper bridge of personnel and miscellaneous equipment to pass through during train passage, contact line pillar is arranged at pavement outside, and bridge floor is not Pavement formula is set and checks car, completely closed under bridge, without the current sidewalk of setting.Therefore, high-speed rail bridge detection means requirement has Efficiency high, security are good, strong adaptability, the low advantage of power consumption, it is adaptable to the preventive inspection of high-speed railway bridge and dimension Detection operation is repaiied, and for operator provides safety guarantee in each part of detection bridge.Therefore Chinese metal bridge high is combined The actual national conditions of beam, a kind of novel high speed railroad bridge maintenance of research and development, detection means are imperative.
By patent retrieval do not have discovery have with the constructed patent literature of the present invention, have certain relation with the present invention Patent mainly have following:
1st, Patent No. CN201510024166, the invention of entitled " a kind of new high ferro truss bridge detecting vehicle " Patent, which disclose a kind of high ferro truss bridge detecting vehicle, including locomotive and the truss assembly on locomotive, institute Stating truss assembly includes truss, lowering or hoisting gear, whirligig, telescopic oil cylinder, and the cylinder base of the telescopic oil cylinder is arranged on and rises Falling unit, connects whirligig on the motion bar of telescopic oil cylinder, the truss installa-tion is on the spinning device.
2nd, a kind of Patent No. CN201410013214, entitled " round-the-clock railroad bridge detection car " patent of invention, should Patent discloses a kind of round-the-clock railroad bridge detection car, including two seniority among brothers and sisters being arranged side by side walk supporting leg, walking branch described in two rows Leg is respectively positioned on electric pole outside, and walking wheel is provided with below the walking supporting leg, and walking wheel described in two rows is located at track Between soundproof wall, each it is described walking supporting leg by being hingedly connected on structure stand, each it is described walking supporting leg below The supporting leg oscillating oil cylinder for driving the walking supporting leg horizontal hunting is provided with, the supporting leg oscillating oil cylinder is arranged on the structure branch On frame, each described structure stand lower end is connected on power unit, workbench is provided with above the power unit, two Arrange and be provided with two swinging crossbeam groups between the structure stand.
3rd, Patent No. CN201410561631, it is entitled " a kind of suitable for bridge machinery and the light-duty extension of maintenance activity The patent of invention of basket ", which disclose it is a kind of suitable for bridge machinery and the light hanging basket of maintenance activity, it is mainly flat by work Platform, coaster, track, decelerator and brakes and counterweight(20)Five parts assemble;Described workbench leads to coaster Cross lifting rope(15)It is connected;Described decelerator and brakes are arranged on the fixed platform of coaster(12)On;Described counterweight (20)It is placed in the counterweight platform of coaster(19)On.
Although above-mentioned these patents are directed to the maintenance conditions of railroad bridge, it was also proposed that some structural improvement, But all do not change existing mode and form fundamentally, all still there is foregoing deficiency, it is impossible to meet high-speed iron The preventive inspection and the new requirement of maintenance conditions operation of road and bridge beam, therefore still need further to be improved.
The content of the invention
It is an object of the invention to the deficiency being directed to existing for the maintenance conditions method and device of existing railroad bridge, propose A kind of maintenance conditions method and device of new railroad bridge, the maintenance conditions method and device of the railroad bridge goes for The preventive inspection of high-speed railway bridge and maintenance conditions job requirements, and be operator when each part of bridge is detected Safety guarantee is provided.
In order to reach this purpose, the invention provides a kind of High-speed Railway Bridges beam gantry walking maintenance conditions method, Maintenance and detecting system using a kind of generally portal-framed structure form;The maintenance of described portal-framed structure form and detecting system Be in the case where a support high-speed rail bridge guardrails of both sides is set up in bridge both sides joist as walk and work fulcrum gate-type alternate row Walk maintenance and detecting system;Carried out along iron wire high on high-speed railway bridge by the maintenance and detecting system of portal-framed structure form Walking, and bridge repaired in the process of walking or is detected that preventive inspection and maintenance to complete high-speed railway bridge are examined Survey operation.
Further, described maintenance and detecting system by portal-framed structure form on high-speed railway bridge along high ferro It is the portal-framed structure shape coupled with both sides vertical shaft truss using the horizontal-associate truss higher than bridge contact gauze gauge that line is walked The maintenance of formula and detecting system, the maintenance of portal-framed structure form and detecting system couple including horizontal-associate truss with both sides vertical shaft truss Door frame, body frame, traveling nose girder, slew gear and maintenance conditions workbench are hung with door frame, using high-speed rail bridge two Joist leads the body frame and traveling of the maintenance of portal-framed structure form and detecting system as walking and the fulcrum of work under side rail Beam enterprising every trade of joist under high-speed rail bridge guardrails of both sides in the way of alternately walking is walked.
Further, the mode of described alternating walking is that the maintenance of portal-framed structure form and detecting system are divided into two Point, a part is traveling nose girder, and another part is the maintenance of portal-framed structure form and the body frame of detecting system;First by traveling nose girder Hung over upper arm support modes on the edge joist under high-speed rail bridge guardrails of both sides, and fixed, then allow portal-framed structure shape The maintenance of formula and the body frame of detecting system are moved further along high-speed rail bridge on traveling nose girder, and bridge is entered in moving process Row maintenance is detected;In the maintenance of portal-framed structure form and the body frame of detecting system other end is moved to along traveling nose girder from one When, and after detecting and finishing, and the body frame of the maintenance of portal-framed structure form and detecting system is fixed on high-speed rail bridge guardrails of both sides Under edge joist on, then unclamp on edge joist by traveling nose girder under high-speed rail bridge guardrails of both sides, allow traveling nose girder edge The maintenance of portal-framed structure form and the body frame of detecting system alternately mobile to next section, again by traveling nose girder after moving into place Hung over upper arm support modes on the edge joist under high-speed rail bridge guardrails of both sides, and fixed, then allow portal-framed structure shape The maintenance of formula and the body frame of detecting system are moved further along high-speed rail bridge on traveling nose girder, and bridge is entered in moving process The maintenance or detection of next section of row, form a kind of mode of alternately mobile operation.
Further, described traveling nose girder and the maintenance of portal-framed structure form and the body frame of detecting system are in high-speed rail bridge Fixation is that, using four suspension arm support modes of bridge one side, suspension arm utilizes High-speed Railway Bridges on edge joist under guardrails of both sides Beam edge joist runs passage as the suspension of bridge maintaining detection means, and suspension arm is arranged on traveling nose girder two ends, master two-by-two Top of the trellis two ends.
Further, the maintenance of described portal-framed structure form and the slew gear of detecting system are arranged on portal-framed structure shape Under the maintenance of formula and the both sides body frame of detecting system, maintenance conditions workbench is connected under slew gear;In portal-framed structure form Maintenance and detecting system walking to bridge pier when, by slew gear so that under body frame maintenance conditions workbench rotation, around Open bridge pier;After bypassing bridge pier, then it is rotated back so that the maintenance conditions workbench docking on both sides is got up, and proceeds maintenance Or detection.
Further, the maintenance of described portal-framed structure form and detecting system pass through self-contained electronic drag chain haulage gear Bridge maintaining, detection means is completed to be vertically moved along bridge;And by electronic screw body, assembly pulley in body frame, drive movement Frame, nose girder or fixed mount are moved horizontally, angle rotary action, move horizontally the distance of adjustable bridge checking device and bridge, angle Bridge checking device can be done yaw action by degree revolution, complete the function of being walked along bridge curve.
A kind of gantry type maintenance conditions device for realizing above-mentioned High-speed Railway Bridges beam gantry walking maintenance conditions method, bag The door frame that horizontal-associate truss couples with both sides vertical shaft truss is included, body frame, traveling nose girder, slew gear and maintenance are hung with door frame Detection workbench, traveling nose girder is enclosed within the framework of body frame, and can move back and forth walking, slew gear in the framework of body frame Under body frame, maintenance conditions workbench, and maintenance conditions workbench are connected under slew gear in slew gear band Swing rotary motion can be done under dynamic.
Further, the door frame that described horizontal-associate truss couples with both sides vertical shaft truss be frame structure, horizontal-associate truss with The mast height of both sides vertical shaft truss connection contacts gauze gauge higher than bridge, and body frame is connected to one with door frame by fastener Rise, door frame is arranged on the centre position of body frame upper frame.
Further, described body frame is square frame structure, and traveling nose girder is provided with the frame structure of body frame, Traveling nose girder can move back and forth in the quadra of body frame, and can by governor motion carry out between two traveling nose girders away from From adjustment;First the frame structure of body frame is provided with body frame suspension arm by rail, and body frame is suspended on high ferro by body frame suspension arm On edge joist under bridge guardrails of both sides.
Further, described traveling nose girder is mounted in what is moved on the slipping mechanism that two groups of guide wheels are constituted, wherein One group is longitudinal guide wheel, and traveling nose girder is arranged on longitudinal guide wheel, and traveling nose girder can lead in the longitudinal direction in the quadra of body frame Move back and forth on wheel, and longitudinal guide wheel is in turn mounted on the sliding block that one group of transverse shifting guide wheel is constituted;By adjust sliding block Lateral attitude in body frame adjusts the distance between two traveling nose girders;Described slipping mechanism is by electronic screw body and pulley Group drives.
Further, described body frame suspension arm and traveling nose girder suspension arm are using four suspension arm branch hold modes of bridge one side Formula, wherein, there are two body frame suspension arms body frame inner side, and there are two traveling nose girder suspension arms, four suspension arms in traveling nose girder inner side Passage is run by the use of high-speed railway bridge edge joist as the suspension of bridge maintaining detection means, suspension arm is arranged on away two-by-two Row nose girder two ends and body frame top two ends.
The advantage of the invention is that:
The present invention takes the detecting system of portal framed structure, and is repaired and detected by alternative expression motion mode, main There are following characteristics:
(1)Bridge maintaining, detection suitable for the mixing pattern such as multispan simply supported beam, continuous beam, the firm structure beam of concrete;
(2)The bridge maintaining of accommodation curve radius >=3500m, detection;
(3)Do not influence the operation of high-speed railway bullet train, and can sustain the wind load that is produced when bullet train passes through and Vibration;
(4)With Stability Analysis of Structures, detection platform controllable rotating operation, working range is big;
(5)Gantry walking running mechanism, suspension arm support, whole equipment can bridge pier work continuously;
(6)Workbench horizontal stretching can meet bridge bottom, middle part maintenance and detect;
(7)Workbench remains level in bridge machinery work, is adapted to many people's work;
(8)Testing staff or equipment can be upper and lower conveniently by the escape way of bridge checking device;
(9)Portal-framed structure has enough intensity and rigidity;With wind resistance power and shock resistance, personnel and equipment are in work It is mobile very steady on platform, will not rock;
(10)The device meets relevant laws and regulations and standard.
Using apparatus of the present invention, various detections can be carried out, and can be between carried out not in the case that high ferro is normally run Disconnected bridge maintaining and detection, have reached every job requirements of high-speed rail bridge maintenance conditions, and operating efficiency is high.
Brief description of the drawings
Fig. 1 is principle schematic diagram. of the present invention;
Fig. 2 is the lateral structure schematic diagram of Fig. 1;
Fig. 3 is body frame part of the present invention mplifying structure schematic diagram;
Fig. 4 is body frame part structure for amplifying side schematic view of the present invention.
Specific embodiment
The present invention is expanded on further with specific embodiment below in conjunction with the accompanying drawings.
Embodiment one
Be can be seen that the present invention relates to a kind of High-speed Railway Bridges beam gantry walking maintenance conditions method by attached Fig. 1 and 2 Gantry type maintenance conditions device, including the door frame 1 that horizontal-associate truss couples with both sides vertical shaft truss is hung with master under door frame 1 Frame 2, traveling nose girder 3, slew gear 4 and maintenance conditions workbench 5, traveling nose girder 3 are enclosed within the framework of body frame 2, and can be Move back and forth walking in the framework of body frame, slew gear 4 is arranged under body frame 2, maintenance conditions work is connected under slew gear 4 Platform 5, and maintenance conditions workbench 5 can do swing rotary motion under slew gear drive.
The door frame that described horizontal-associate truss couples with both sides vertical shaft truss is frame structure, horizontal-associate truss and both sides vertical shaft purlin Higher than bridge contact gauze gauge 6, body frame 2 is linked together the height of door frame 1 of frame connection with door frame 1 by fastener, door frame 1 Installed in the centre position of the upper frame of body frame 2.
Described body frame 2 is square frame structure, and traveling nose girder 3 is provided with the frame structure of body frame, and traveling is led Beam 3 can move back and forth in the quadra of body frame, and traveling nose girder suspension arm 15, traveling nose girder are provided with the inner side of traveling nose girder 3 Suspension arm 15 is arranged on the two ends framework 16 of traveling nose girder 3, and can be carried out between two traveling nose girders by governor motion Distance adjustment;First the frame structure of body frame is provided with body frame suspension arm 13 by rail, and body frame is outstanding by body frame suspension arm 13 Hang on the edge joist 7 under high-speed rail bridge guardrails of both sides.Guard rail 12 is installed above body frame 2.
Described traveling nose girder 3 is mounted in what is moved on the slipping mechanism 8 that two groups of guide wheels are constituted, and one of which is vertical To guide wheel 9, traveling nose girder 3 is arranged on longitudinal guide wheel 9, on longitudinal guide wheel 9 that traveling nose girder 3 can be in the quadra of body frame Move back and forth, and longitudinal guide wheel 9 is in turn mounted at the governor motion that one group of transverse shifting guide wheel 10 and transverse shifting framework 14 are constituted On 11;By adjust governor motion 11 body frame 2 in lateral attitude adjust two traveling nose girders between distance;Described Slipping mechanism is driven by electronic screw body and assembly pulley.
Described body frame suspension arm 13 and traveling nose girder suspension arm 15 use four suspension arm support modes of bridge one side, its In, there are two body frame suspension arms 13 body frame inner side, and there are two traveling nose girder suspension arms 15, four suspension arm profits in traveling nose girder inner side Passage is run as the suspension of bridge maintaining detection means with high-speed railway bridge edge joist 6, four suspension arms are installed two-by-two The two ends at the top of traveling nose girder two ends 16 and body frame.
Above-mentioned listed embodiment, simply carries out clear, complete description with reference to accompanying drawing to technical scheme;It is aobvious So, described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based in the present invention Embodiment, all other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all Belong to the scope of protection of the invention.
By above-described embodiment as can be seen that the invention further relates to a kind of High-speed Railway Bridges beam gantry walking maintenance conditions Method, maintenance and detecting system using a kind of generally portal-framed structure form;The maintenance and inspection of described portal-framed structure form Examining system be in the case where a support high-speed rail bridge guardrails of both sides is set up in bridge both sides joist as walking and work fulcrum door Formula alternately repair and detecting system by walking;By the maintenance and detecting system of portal-framed structure form on high-speed railway bridge along height Iron wire is walked, and in the process of walking bridge is repaired or detected and complete the preventive inspection of high-speed railway bridge With maintenance conditions operation.
Further, described maintenance and detecting system by portal-framed structure form on high-speed railway bridge along high ferro It is the portal-framed structure type coupled with both sides vertical shaft truss using the horizontal-associate truss higher than bridge contact gauze gauge that line is walked Formula is key maintenance and detecting system, and portal-framed structure pattern is that the maintenance of backbone and detecting system include horizontal-associate truss and both sides The door frame of vertical shaft truss connection, is hung with body frame, traveling nose girder, slew gear and maintenance conditions workbench under door frame, profit With joist under high-speed rail bridge guardrails of both sides as walking and the fulcrum of work, by the maintenance of portal-framed structure form and detecting system Body frame and traveling the nose girder enterprising every trade of joist under high-speed rail bridge guardrails of both sides in the way of alternately walking are walked.
Further, the mode of described alternating walking is that the maintenance of gantry frame structure form and detecting system are divided into two Part a, part is traveling nose girder, and another part is the maintenance of portal-framed structure form and the body frame of detecting system;First traveling is led Beam is hung on the edge joist under high-speed rail bridge guardrails of both sides with upper arm support modes, and is fixed, and then allows portal-framed structure The maintenance of form and the body frame of detecting system are moved further along high-speed rail bridge on traveling nose girder, and to bridge in moving process Repaired or detected;Moved to from one separately along traveling nose girder in the maintenance of gantry frame structure form and the body frame of detecting system At one, and after detecting and finishing, and the body frame of portal-framed structure form detecting system is fixed under high-speed rail bridge guardrails of both sides Unclamped on edge joist, then on edge joist by traveling nose girder under high-speed rail bridge guardrails of both sides, allow traveling nose girder along dragon The maintenance of portal-framed structure form and the body frame of detecting system are alternately mobile to next section, after moving into place again by traveling nose girder with Upper arm support modes are hung on the edge joist under high-speed rail bridge guardrails of both sides, and are fixed, and then allow portal-framed structure form Maintenance and the body frame of detecting system moved on traveling nose girder further along high-speed rail bridge, and bridge is carried out in moving process Next section of maintenance or detection, forms a kind of mode of alternately mobile operation.
Further, described traveling nose girder and the maintenance of portal-framed structure form and the body frame of detecting system are in high-speed rail bridge Fixation is that, using four suspension arm support modes of bridge one side, suspension arm utilizes High-speed Railway Bridges on edge joist under guardrails of both sides Beam edge joist runs passage as the suspension of bridge maintaining detection means, and suspension arm is arranged on traveling nose girder two ends, master two-by-two Top of the trellis two ends.
Further, the maintenance of described portal-framed structure form and the slew gear of detecting system are arranged on portal-framed structure shape Under the maintenance of formula and the both sides body frame of detecting system, maintenance conditions workbench is connected under slew gear;In portal-framed structure form Maintenance and detecting system walking to bridge pier when, by slew gear so that under body frame maintenance conditions workbench rotation, around Open bridge pier;After bypassing bridge pier, then it is rotated back so that the maintenance conditions workbench docking on both sides is got up, and proceeds maintenance Or detection.
Further, the maintenance of described portal-framed structure form and detecting system pass through self-contained electronic drag chain haulage gear Bridge maintaining, detection means is completed to be vertically moved along bridge;And by electronic screw body, assembly pulley in body frame, drive movement Frame, nose girder or fixed mount are moved horizontally, angle rotary action, move horizontally the distance of adjustable bridge checking device and bridge, angle Bridge checking device can be done yaw action by degree revolution, complete the function of being walked along bridge curve.
The advantage of the invention is that:
The present invention is gone on high-speed railway bridge by the maintenance of portal-framed structure form and detecting system along iron wire high Walk, and by alternative expression motion mode repair bridge or detected completing the preventive inspection of high-speed railway bridge With maintenance conditions operation, mainly there are following characteristics:
(1)Bridge maintaining, detection suitable for the mixing pattern such as multispan simply supported beam, continuous beam, the firm structure beam of concrete;
(2)The bridge maintaining of accommodation curve radius >=3500m, detection;
(3)Do not influence the operation of high-speed railway bullet train, and can sustain the wind load that is produced when bullet train passes through and Vibration;
(4)With Stability Analysis of Structures, detection platform controllable rotating operation, working range is big;
(5)Gantry walking running mechanism, suspension arm support, whole equipment can bridge pier work continuously;
(6)Workbench horizontal stretching can meet bridge bottom, middle part maintenance and detect;
(7)Workbench remains level in bridge machinery work, is adapted to many people's work;
(8)Testing staff or equipment can be upper and lower conveniently by the escape way of bridge checking device;
(9)Portal-framed structure has enough intensity and rigidity;With wind resistance power and shock resistance, personnel and equipment are in work It is mobile very steady on platform, will not rock;
(10)The device meets relevant laws and regulations and standard.
Using apparatus of the present invention, various detections can be carried out, and can be between carried out not in the case that high ferro is normally run Disconnected bridge maintaining and detection, have reached every job requirements of high-speed rail bridge maintenance conditions, and operating efficiency is high.Using the present invention Device, can be with on-line maintenance and detection following items:
(1)The inspection of crackle;
(2)The inspection in inside concrete space;
(3)The inspection of concrete crushing strength;
(4)The measurement of movable bearing support roll shaft length travel;
(5)The inspection of laminated rubber bearing;
(6)The inspection of bondbeam, girder steel bead crack;
(7)The inspection of high-strength bolt;
(8)Inspection of girder steel crackle etc..

Claims (6)

1. a kind of High-speed Railway Bridges beam gantry walking maintenance conditions method, using a kind of maintenance of generally portal-framed structure form And detecting system;The maintenance of described portal-framed structure form and detecting system are to set up a support high-speed rail bridge two in bridge both sides Joist is alternately walked as the gate-type of walking and the fulcrum of work and is repaired and detecting system under side rail;By portal-framed structure form Maintenance and detecting system walked along iron wire high on high-speed railway bridge, and bridge repaired in the process of walking Or detection completes the preventive inspection and maintenance conditions operation of high-speed railway bridge;The described dimension by portal-framed structure form Repair with detecting system that to be walked along iron wire high on high-speed railway bridge be horizontal-associate using gauze gauge is contacted higher than bridge The maintenance of the portal-framed structure form that truss couples with both sides vertical shaft truss and detecting system, the maintenance and detection of portal-framed structure form System includes the door frame that horizontal-associate truss couples with both sides vertical shaft truss, and body frame, traveling nose girder, slew gear are hung with door frame With maintenance conditions workbench, by the use of high-speed rail bridge guardrails of both sides under joist as walking and work fulcrum, by portal-framed structure The maintenance of form and the body frame of detecting system and traveling the nose girder joist under high-speed rail bridge guardrails of both sides in the way of alternately walking Enterprising every trade is walked;It is characterized in that:Described traveling nose girder is mounted in what is moved on the slipping mechanism that two groups of guide wheels are constituted, One of which is longitudinal guide wheel, and traveling nose girder is arranged on longitudinal guide wheel, and what traveling nose girder can be in the quadra of body frame is vertical To dynamic to move back on guide wheel, and longitudinal guide wheel is in turn mounted on the sliding block that one group of transverse shifting guide wheel is constituted;By adjusting sliding block Body frame in lateral attitude adjust two traveling nose girders between distance;Described slipping mechanism by electronic screw body and Assembly pulley drives;The mode of described alternating walking is that the maintenance of portal-framed structure form and detecting system are divided into two parts, one Part is traveling nose girder, and another part is the maintenance of portal-framed structure form and the body frame of detecting system;First by traveling nose girder hanging Arm support modes are hung on the edge joist under high-speed rail bridge guardrails of both sides, and are fixed, and then allow portal-framed structure form The body frame of maintenance and detecting system is moved further along high-speed rail bridge on traveling nose girder, and bridge is tieed up in moving process Repair or detect;The maintenance of portal-framed structure form and the body frame of detecting system along traveling nose girder from move to other end for one when, And after detection is finished, and the body frame of portal-framed structure form detecting system is fixed on the edge joist under high-speed rail bridge guardrails of both sides On, then unclamp on edge joist by traveling nose girder under high-speed rail bridge guardrails of both sides, traveling nose girder is allowed along portal-framed structure shape The maintenance of formula and the body frame of detecting system are alternately mobile to next section, again by traveling nose girder with upper arm branch hold mode after moving into place Formula is hung on the edge joist under high-speed rail bridge guardrails of both sides, and is fixed, and then allows the maintenance and inspection of portal-framed structure form The body frame of examining system is moved further along high-speed rail bridge on traveling nose girder, and next section of dimension is carried out to bridge in moving process Repair or detect, form a kind of mode of alternately mobile operation.
2. High-speed Railway Bridges beam gantry walking maintenance conditions method as claimed in claim 1, it is characterised in that:Described walks The maintenance of row nose girder and portal-framed structure form and the body frame of detecting system are solid on the edge joist under high-speed rail bridge guardrails of both sides Surely it is that, using four suspension arm support modes of bridge one side, suspension arm is examined by the use of high-speed railway bridge edge joist as bridge maintaining The suspension operation passage of device is surveyed, suspension arm is arranged on traveling nose girder two ends, body frame top two ends two-by-two.
3. High-speed Railway Bridges beam gantry walking maintenance conditions method as claimed in claim 1, it is characterised in that:Described door The maintenance of frame structure type and the slew gear of detecting system are arranged on the maintenance of portal-framed structure form and the both sides of detecting system Under body frame, maintenance conditions workbench is connected under slew gear;Bridge is arrived in the maintenance of portal-framed structure form and detecting system walking During pier, by slew gear so that the maintenance conditions workbench under body frame rotates, bridge pier is got around;After bypassing bridge pier, then rotate Return so that the maintenance conditions workbench docking on both sides is got up, and is proceeded to repair or is detected.
4. a kind of gantry type maintenance conditions for realizing High-speed Railway Bridges beam gantry walking maintenance conditions method described in claim 1 Device, including the door frame that horizontal-associate truss couples with both sides vertical shaft truss, are hung with body frame, traveling nose girder, turn-around machine under door frame Structure and maintenance conditions workbench, traveling nose girder are enclosed within the framework of body frame, and can move back and forth walking in the framework of body frame, Slew gear is arranged under body frame, and maintenance conditions workbench is connected under slew gear, and maintenance conditions workbench is being returned Rotation mechanism can do swing rotary motion under driving;Described body frame is square frame structure, is pacified in the frame structure of body frame Equipped with traveling nose girder, traveling nose girder can move back and forth in the quadra of body frame, and can carry out two by governor motion and walk The distance between row nose girder is adjusted;The frame structure of body frame is provided with body frame suspension arm by rail side, and body frame is outstanding by body frame Upper arm is suspended on the edge joist under high-speed rail bridge guardrails of both sides;Described traveling nose girder is mounted in two groups of guide wheels and is constituted Slipping mechanism on move, one of which is longitudinal guide wheel, and traveling nose girder is arranged on longitudinal guide wheel, and traveling nose girder can be in master Move back and forth on longitudinal guide wheel in the quadra of frame, and longitudinal guide wheel is in turn mounted at the cunning that one group of transverse shifting guide wheel is constituted On block;By adjust sliding block body frame in lateral attitude adjust two traveling nose girders between distance;Described sliding plane Structure is driven by electronic screw body and assembly pulley.
5. the gantry type maintenance conditions device of High-speed Railway Bridges beam gantry walking maintenance conditions method as claimed in claim 4, It is characterized in that:The door frame that described horizontal-associate truss couples with both sides vertical shaft truss is frame structure, and horizontal-associate truss is erected with both sides The mast height of well truss connection contacts gauze gauge higher than bridge, and body frame is linked together with door frame by fastener, door frame Installed in the centre position of body frame upper frame.
6. the gantry type maintenance conditions device of High-speed Railway Bridges beam gantry walking maintenance conditions method as claimed in claim 5, It is characterized in that:Described body frame suspension arm and traveling nose girder suspension arm use four suspension arm support modes of bridge one side, wherein, There are two body frame suspension arms body frame inner side, and there are two body frame suspension arms traveling nose girder inner side, and four suspension arms utilize high-speed railway Bridge edge joist as bridge maintaining detection means suspension run passage, suspension arm two-by-two be arranged on traveling nose girder two ends and Body frame top two ends.
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