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EP0454709A1 - Vehicule, notamment chassis de dispositif de controle a pont. - Google Patents

Vehicule, notamment chassis de dispositif de controle a pont.

Info

Publication number
EP0454709A1
EP0454709A1 EP90901740A EP90901740A EP0454709A1 EP 0454709 A1 EP0454709 A1 EP 0454709A1 EP 90901740 A EP90901740 A EP 90901740A EP 90901740 A EP90901740 A EP 90901740A EP 0454709 A1 EP0454709 A1 EP 0454709A1
Authority
EP
European Patent Office
Prior art keywords
frame
additional
wheels
vehicle
vehicle according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP90901740A
Other languages
German (de)
English (en)
Other versions
EP0454709B1 (fr
Inventor
Alfons Moog
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AT90901740T priority Critical patent/ATE95864T1/de
Publication of EP0454709A1 publication Critical patent/EP0454709A1/fr
Application granted granted Critical
Publication of EP0454709B1 publication Critical patent/EP0454709B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
    • B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
    • B66F11/044—Working platforms suspended from booms

Definitions

  • Vehicle in particular chassis of a bridge inspection device
  • the invention relates to a vehicle, in particular
  • DE-OS 33 05 384 it is known from DE-OS 33 05 384 to carry out the conversion of a road transport chassis in an operating chassis characterized in that provided with rollers supports are extended from the frame down on the ⁇ road which the vehicle weight to a large extent or completely take.
  • the rollers are slowly drivable and steerable in this known chassis.
  • vehicles in particular trucks, with pressure-actuated, in particular air-sprung, rear axles are generally known.
  • These axles are pivoted up and down on the frame by means of two trailing arms and are supported on the frame by two air bellows or cylinder arrangements.
  • the frame By reducing the pressure in the bellows or cylinders, the frame, possibly with the load, can be lowered so far that it rests on unsprung stops of the axles.
  • the frame can be raised again by increasing the pressure and the suspension behavior required for road travel can be restored.
  • This height change is known to be used to carry out a rapid charge change, e.g. B. to pick up or put down a container standing on stilts.
  • the invention has for its object to propose a vehicle that takes over both the function of a road transport chassis and the function of an operating chassis, relatively low. Investment costs are required and can be changed quickly and easily from one operating mode to another.
  • the main difference of this vehicle compared to known convertible chassis for bridge underside devices or similar devices is that the unsprung additional wheels are not adjustable in height, at least under load on the frame, but the frame is lowered until these additional wheels come into contact with the ground.
  • the frame is also not lowered by means of devices which are assigned to the additional wheels, but rather with the aid of the pressure-sprung axle assembly.
  • Commercially available standard axles can be used, which are relatively inexpensive and special lifting devices on the additional wheels are unnecessary.
  • the maximum stroke of the pressure-operated height adjustment devices of standard truck axles is only about 12 cm. But that is enough, because the same rubber-tired wheels are expediently used as additional wheels as with the pressure-sprung axle units. So if the auxiliary wheels occasionally touch the ground occasionally when driving on the road as a result of bumps or when the sprung wheels are extremely compressed, that does no harm. The additional wheels then simply run along.
  • the pressure-sprung axle assembly can consist of one or more axles. The number of additional wheels is determined by the required stability. Under certain circumstances, a single additional wheel may already be sufficient. It is better to have two additional wheels, one of which is arranged in front of and one behind the axle assembly, preferably on the side facing the edge of the bridge during operation of the bridge underside device.
  • This additional axle can also be attached in front of or behind the pressure-sprung axle assembly, or an additional axle in front and one behind it.
  • the additional wheels preferably run in the same track as the wheels of the sprung axle assembly.
  • At least one additional wheel or an additional axle be designed to be steerable.
  • a simple steering device is sufficient since only small steering deflections are required.
  • a steering device is expedient, which normally assumes a central position and makes predetermined fixed deflections when the signal "left" or signal "right”.
  • the auxiliary wheels are also suitable for the arrangement of a slow drive.
  • the mentioned fixed stops of the axles of the pressure-sprung axle assembly, on which the frame lies when lowering, are relatively far inside, i.e. H. at a small distance from the median longitudinal plane of the vehicle.
  • the support base of the frame on these axles when tilting in the transverse direction is thus much smaller than the track width.
  • An important development of the invention consists in that an axially parallel support roller is arranged on the frame via at least one wheel of the axle assembly, to which the tire of the wheel in question rests with its tread in the lower position of the frame.
  • Several support rollers can also be provided for one wheel.
  • the main advantage of these back-up rollers is that the tilting edge of the frame is moved outwards with respect to the axes and the stability of the frame is thereby considerably increased.
  • Another advantage of such support rollers is that they can be equipped with a hydraulic slow drive, for example.
  • the backup rollers then act as driving friction wheels on the rubber tires. The backup rollers do not touch the tires in road transport operations.
  • Another means of increasing the stability of the frame in work is that the additional wheels have tires with a harder suspension behavior than the tires of the wheels of the axle assembly.
  • Tires can be foamed with plastic, for example. If necessary, the auxiliary wheels or some of them can be extendable in the axial direction so that D
  • the height of the additional wheels and the stops on the frame is expediently chosen so that when the frame is lowered into the lower position, the total axle load is evenly distributed over the existing axles.
  • the proposed vehicle can be designed as a self-driving truck, as a trailer or as a semi-trailer.
  • the steerable axle can also be used for steering in work mode. Except for one
  • Bridge underside device such a vehicle can also be used for mobile lifts, mobile high-work platforms or for working machines, e.g. B. Road construction machinery, use in the.
  • FIG. 1 is a side view of a truck, on which a bridge underside device is built, in the road transport position,
  • FIG. 3 shows the side view of a bridge underside device designed as a semi-trailer in the road transport position with towing vehicle
  • FIG. 4 shows the side view of this device ready for work, 5 on a smaller scale the side view of the chassis according to FIG. 4 with the bridge underside device erected when used on a bridge,
  • FIG. 6 shows a schematic cross section of such a vehicle in the region of the compressed air-sprung axle assembly, the frame with support rollers being in the upper position, and
  • Fig. 7 shows the representation of FIG. 6 with the frame lowered.
  • the truck according to FIGS. 1 and 2 has a frame 1 designed as a flat platform and a total of five axles which are provided with rubber tires of the same size as are usually used for
  • the front axle 2 is steerable and sprung as usual.
  • the two middle rear axles are the drive axles. They form an axle assembly 3 with compressed air suspension and a device for height adjustment.
  • the two axles mentioned are pivoted on the vehicle frame by means of trailing arms 4.
  • the air-filled bellows are indicated by 5.
  • An axially parallel support roller 6 is arranged at a distance of about 12 cm above each of the four wheels of the axle assembly 3. These backup rolls can be driven slowly with the help of rotating hydraulic motors.
  • In front of and behind the axle assembly 3 there is an additional axle 7 and 8, respectively, which are fixed, ie not resilient, to the frame 1.
  • the additional wheels run in the track of the wheels of the axle assembly 3.
  • the wheels of the additional axles 7 and 8 are so high that they are at a distance of about 12 cm from the road surface.
  • Bridge underside device consists essentially of a lifting tower 9 and a work platform 10 which is tilted by 90 ° so that its bottom is vertical.
  • the lifting tower has a lower tower section 12, which can be rotated about the tower axis by means of a turntable 11.
  • the work web 10 is pivotably connected to this at a transverse axis 13.
  • the lifting tower 9 is mounted on a guide frame 14 so as to be displaceable in the longitudinal direction.
  • This guide frame is articulated on a snap frame 17 by means of parallel levers 15 and 16. This in turn is movably mounted about a horizontal transverse axis 18 on a turntable 19 which rotates on the frame 1 about a vertical axis 20.
  • the vehicle is suitable for road transport operation.
  • the support rollers 6 are exposed and the wheels of the additional axles 7 and 8 have no ground contact.
  • the vehicle is prepared according to FIG. 2 by lowering the frame 1 for the working position. By reducing the air pressure in the bellows 5, these are compressed under the weight of the loaded frame and shorten. The frame sinks down until the additional wheels come into contact with the ground and are loaded.
  • the bearing blocks 21 of the trailing arms have also been lowered and the support rollers 6 press on the tires of the axle assembly 3.
  • the total axle load of the rear vehicle section is thus distributed from two to four axles.
  • FIG. 6 and 7 in particular show the support rollers 6 more clearly. These have a continuous shaft 22 and are constructed in such a way that they can absorb the considerable radial forces of the wheels of the axle assembly 3, which are designated 23 here.
  • the upper stops 24 attached to the frame 1 come into contact with the lower stops 25 attached to the axle.
  • the outer lateral boundary edges of the stops 24 running in the longitudinal direction of the vehicle are the decisive tilting edges of the vehicle body.
  • these tilting edges are moved laterally outwards by a distance a.
  • the backup rollers thus make a significant contribution to the stability of such a device in work.
  • the frictional contact between the support rollers and the wheels 23 is used for slowly moving the vehicle on the bridge.
  • the hydraulic motors, not shown, which engage the support rollers can also be remotely controlled from the work platform.
  • the front axle 2, which can be equipped with a remote control add-on, is used for steering.
  • FIGS. 3 to 5 show, as a second exemplary embodiment, a semi-trailer on which an identical bridge underside device is constructed.
  • the frame 26, also designed as a platform is in the upper position for road transport.
  • the towing vehicle 27 is coupled.
  • the trailer has four axles.
  • the two rear axles form an axle assembly 28 with compressed air suspension.
  • a permanently attached additional axle 29 Immediately in front of this there is a permanently attached additional axle 29 and at a distance further to the front, in the area of the cranking of the semitrailer neck there is a further likewise unsprung additional axle 30.
  • This is steerable and also short Longitudinal levers 31 attached, which by means of * a small hydraulic lifting cylinder 32 or a manual winch between an upper and.
  • the axle assembly 28 springs.
  • a backup roller 33 over the last wheel and a pair of backup rollers 34 over the penultimate wheel are disengaged.
  • the uncoupling from the towing vehicle 27 takes place in such a way that the additional axis 30 is first brought into its lower position and locked, so that both additional axes have the same ground clearance of 12 cm.
  • the compressed air-operated lowering devices are actuated both on the towing vehicle and on the axle assembly 28. All four axles of the semi-trailer thus assume the total axle load, as shown in FIG. 4.
  • the towing vehicle 27 can move away.
  • the support rollers which also have a slow hydraulic drive in this example, are engaged. With the simple steering device of the additional axle 30, the vehicle can follow the predetermined lane on the bridge.
  • the turntable 19 is rotated about its vertical axis 20 and at the same time the folding frame 17 is pivoted up about its axis 18 by means of a lifting cylinder, which is indicated by dash-dotted lines.
  • the lower part of the tower 12 thus moves over the parapet of the bridge and swivels further downward.
  • the parallel arms 15, 16, also by means of a stroke cylinder indicated by dash-dotted lines, from the snap frame 17 are pivoted away.
  • the semi-trailer could e.g. B. have a sprung axle assembly with three axles.
  • An additional axle could also be arranged behind the axle unit, the front additional axle 30, which can be lifted free of load, being eliminated depending on the longitudinal position of the center of gravity of the vehicle.
  • one or more additional axles should be steerable. More or fewer axles could also be provided in the truck. It would also be advantageous to be able to steer the rear additional axle behind the sprung axle assembly.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Vehicle Body Suspensions (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

Un véhicule, notamment le châssis d'un dispositif de contrôle à pont, comprend un cadre (1) et des roues de véhicule routier. Afin de pouvoir convertir rapidement et aisément un tel véhicule en un châssis de service à stabilité accrue, un ensemble d'essieu (3) à suspension hydraulique et au moins une roue supplémentaire (7, 8) non suspendue située devant et/ou derrière l'ensemble sont montés sur le cadre (1). L'ensemble essieu (3) comprend une installation hydraulique (4, 5) reliée au système de suspension qui permet de baisser le cadre (1) d'une position supérieure, dans laquelle la suspension s'exerce, à une position inférieure. La roue supplémentaire (7, 8) ne touche pas la chaussée dans la position supérieure du cadre (1), pendant le transport routier, et repose sur la chaussée dans la position inférieure de service du cadre (1). Des rouleaux de support (6) qui servent également d'entraînement lent peuvent être agencés au-dessus des roues de l'ensemble d'essieu (3).
EP90901740A 1989-01-23 1990-01-23 Vehicule, notamment chassis de dispositif de controle a pont Expired - Lifetime EP0454709B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90901740T ATE95864T1 (de) 1989-01-23 1990-01-23 Fahrzeug, insbesondere fahrgestell einer brueckenuntersichtvorrichtung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8900673U 1989-01-23
DE8900673U DE8900673U1 (de) 1989-01-23 1989-01-23 Fahrzeug mit einem druckmittelgefederten Achsaggregat

Publications (2)

Publication Number Publication Date
EP0454709A1 true EP0454709A1 (fr) 1991-11-06
EP0454709B1 EP0454709B1 (fr) 1993-10-13

Family

ID=6835264

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90901740A Expired - Lifetime EP0454709B1 (fr) 1989-01-23 1990-01-23 Vehicule, notamment chassis de dispositif de controle a pont

Country Status (8)

Country Link
US (1) US5167295A (fr)
EP (1) EP0454709B1 (fr)
JP (1) JP2901753B2 (fr)
AU (1) AU632784B2 (fr)
CA (1) CA2045635A1 (fr)
DE (2) DE8900673U1 (fr)
ES (1) ES2047914T3 (fr)
WO (1) WO1990008228A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202200023379A1 (it) 2022-11-14 2024-05-14 Weico Srl Veicolo e/o rimorchio con piattaforma per l’ispezione di ponti

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8910749U1 (de) * 1989-09-08 1991-02-07 Moog, Alfons, 7774 Deggenhausertal Brückenuntersichtvorrichtung
JPH08501051A (ja) * 1992-09-23 1996-02-06 パレット・ボス・ピーティーワイ・リミテッド 荷役車
US6598702B1 (en) * 2000-07-13 2003-07-29 Mcgillewie, Jr. Garth E. Under bridge access apparatus with cross-linking member connecting tower with vehicular chassis
US6698371B1 (en) 2002-10-28 2004-03-02 Harold A. Stoltzfus Boat with personnel elevator apparatus
US7134829B2 (en) 2004-03-09 2006-11-14 Absolute Electronic Solutions, Inc. Cargo trailer
US7950675B1 (en) 2005-05-13 2011-05-31 Absolute Electronic Solutions, Inc. Cargo carrier
US7406919B2 (en) * 2005-11-02 2008-08-05 Coots William R Method and apparatus for operating a vehicle on rails of a railroad track with an auxiliary drive assembly
WO2009158329A2 (fr) 2008-06-27 2009-12-30 Absolute Electronic Solutions, Inc. Véhicule tracteur de semi-remorque à plateau réglable
GB2488983C (en) * 2011-03-08 2014-12-03 Suspended structure, scaffolding or formwork system
GB2506944B (en) * 2012-10-15 2017-02-22 Niftylift Ltd Base unit for a vehicle
US9446662B2 (en) 2013-02-22 2016-09-20 B & B Metals, Inc. Auxiliary drive system
CN103306201B (zh) * 2013-07-11 2015-02-04 鞍山森远路桥股份有限公司 道路桥梁快速维修工程车
CN104947586A (zh) * 2015-04-28 2015-09-30 湖南桥康智能科技有限公司 桥梁检测作业车
CN104950913A (zh) * 2015-05-19 2015-09-30 湖南桥康智能科技有限公司 桥梁检测机器人臂架的一键展开控制系统
CN105862587B (zh) * 2016-05-27 2017-05-31 北京恒力铁科技术开发有限公司 一种桥梁检查车及检测方法

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US3262517A (en) * 1964-11-18 1966-07-26 Jerry P Malec Bridge crane
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DE3305384A1 (de) 1982-09-14 1984-03-15 Alfons 7774 Deggenhausertal Moog Einrichtung zur inspektion der unterseite von bruecken
DE3309729A1 (de) * 1983-03-18 1984-09-27 Bergische Achsenfabrik Fr. Kotz & Söhne, 5276 Wiehl Achsanhebevorrichtung
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202200023379A1 (it) 2022-11-14 2024-05-14 Weico Srl Veicolo e/o rimorchio con piattaforma per l’ispezione di ponti
EP4368778A1 (fr) 2022-11-14 2024-05-15 Weico Srl Véhicule et/ou remorque avec plateforme pour essai de pont

Also Published As

Publication number Publication date
AU4842990A (en) 1990-08-13
DE59003091D1 (de) 1993-11-18
CA2045635A1 (fr) 1990-07-24
DE8900673U1 (de) 1990-06-07
JP2901753B2 (ja) 1999-06-07
ES2047914T3 (es) 1994-03-01
WO1990008228A1 (fr) 1990-07-26
EP0454709B1 (fr) 1993-10-13
US5167295A (en) 1992-12-01
AU632784B2 (en) 1993-01-14
JPH04502792A (ja) 1992-05-21

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