CN111041982B - Double-width bridge double-suspension-point bridge inspection vehicle - Google Patents
Double-width bridge double-suspension-point bridge inspection vehicle Download PDFInfo
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- CN111041982B CN111041982B CN201911358234.2A CN201911358234A CN111041982B CN 111041982 B CN111041982 B CN 111041982B CN 201911358234 A CN201911358234 A CN 201911358234A CN 111041982 B CN111041982 B CN 111041982B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
- E01D19/106—Movable inspection or maintenance platforms, e.g. travelling scaffolding or vehicles specially designed to provide access to the undersides of bridges
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Abstract
The invention discloses a double-amplitude bridge double-suspension-point bridge inspection vehicle which comprises a main tractor, wherein a folding cantilever is connected to the main tractor, and a hanging basket is connected to the lower end of the folding cantilever; the other side opposite to the main tractor is provided with a portal frame, the portal frame stretches across the middle gap of the double-width bridge, the lower end of a portal frame upright post is provided with an auxiliary traction device, the top end of the portal frame is a cross beam, the cross beam is provided with a lifting device, and the lifting device is connected with one end of a hanging basket through a lifting rope. The special bridge inspection vehicle for the double-width bridge has the characteristics of stable structure, high safety and low cost, and is suitable for the double-width bridge in construction and the double-width bridge in operation.
Description
Technical Field
The invention relates to a bridge inspection vehicle, in particular to a double-amplitude bridge double-suspension-point bridge inspection vehicle.
Background
The number of the bridges built in China exceeds 80 ten thousand, the basic conditions of the in-service bridges gradually decline along with the lapse of time, and the bridges must be periodically detected and maintained in order to ensure the safety of the bridges in the use process. The detection and maintenance of some high-risk bridges are usually completed by means of bridge inspection vehicles, the bridge inspection vehicles commonly used at present mainly comprise three types, namely a hanging basket type vehicle, a truss type vehicle and a hybrid type vehicle, and the bridge inspection vehicles mainly use a traction vehicle system to build a cantilever type working platform through a hydraulic system so as to facilitate detection and construction personnel to reach the bottom of a beam through a bridge floor to perform bridge detection and reinforcement related work. This kind of bridge inspection car is mostly single hoisting point structure, rocks obviously and the accident frequently in engineering application, and receives the cantilever structure system to influence, and the general rigidity of platform system requires highly, causes whole structure heavy relatively, and equipment maintenance and maintenance cost are high to, receive structural influence, the unable heavy weight of bearing of hanging flower basket of this kind of bridge inspection car lower extreme, because, the heavy weight causes risks such as turning on one's side easily.
In order to overcome the problems, the conventional bridge inspection vehicle with double suspension points improves the use safety, and is structurally characterized in that a portal frame is usually arranged on a beam bridge, and 1 suspension point is respectively arranged on each of two sides of the portal frame and used for suspending a lower-end hanging basket; in addition, when the existing double-suspension-point bridge inspection vehicle is used for bridge inspection in operation, due to the fact that barriers such as street lamps exist on the edge of a bridge, the self-made double-suspension-point bridge inspection vehicle cannot be used on the bridge floor at all.
Disclosure of Invention
The invention aims to provide a double-width bridge double-suspension-point bridge inspection vehicle. The special bridge inspection vehicle for the double-width bridge has the characteristics of stable structure, high safety and low cost, and is suitable for the double-width bridge in construction and the double-width bridge in operation.
The technical scheme of the invention is as follows: a double-amplitude bridge double-suspension-point bridge inspection vehicle comprises a main tractor, wherein a folding cantilever is connected to the main tractor, and a hanging basket is connected to the lower end of the folding cantilever; the other side opposite to the main tractor is provided with a portal frame, the portal frame stretches across the middle gap of the double-width bridge, the lower end of a portal frame upright post is provided with an auxiliary traction device, the top end of the portal frame is a cross beam, the cross beam is provided with a lifting device, and the lifting device is connected with one end of a hanging basket through a lifting rope.
In the double-amplitude bridge and double-suspension-point bridge inspection vehicle, the lifting device is a winch.
According to the double-amplitude bridge double-suspension-point bridge inspection vehicle, one end of the cross beam is connected to the stand column on one side of the portal frame through the rotating shaft, one end of the rotating shaft is connected with the overturning motor, and the other end of the cross beam is connected to the stand column on the other side of the portal frame through the screw.
According to the double-suspension-point bridge inspection vehicle for the double-width bridge, the lifting device is arranged at the top end of the upright column, close to one side of the turnover motor, of the portal frame, the pulley is arranged in the middle of the cross beam, and the lifting rope is perpendicularly connected with the hanging basket downwards after being wound around from the upper side of the pulley.
The invention has the beneficial effects that:
1. the double-deck bridge inspection vehicle is supported by the bridge deck of the double-deck bridge, the portal frame is arranged between the double-deck bridge, so that a lifting point is obtained, and the lifting point is combined with a traditional cantilever type bridge inspection vehicle on the other side to form a double-lifting-point structure, so that the stability and the use safety of the bridge inspection vehicle structure are greatly improved; in addition, the portal frame spans between the double bridges, and the hoisting point is stressed in the middle of the portal frame, so that one side of the portal frame does not need a strong counterweight to maintain balance, the structure of the portal frame can be simplified, and the structure of the double hoisting points can reduce the rigidity requirement of a cantilever, a hanging basket and the like on one side of a cantilever type bridge inspection vehicle to a certain extent, thereby reducing the cost of the whole system;
2. according to the invention, one end of the cross beam of the portal frame is connected to the upright post through the rotating shaft and is connected with the overturning motor, when the bridge inspection vehicle encounters obstacles such as a street lamp or a connecting belt between two bridges and the like in the moving process, the cross beam can be lifted up like a parking lot barrier gate, so that the obstacles are avoided, bridge inspection can be realized on both the constructed bridge and the running bridge, and the normal running of traffic cannot be hindered when the running bridge is inspected because the portal frame is not blocked right above the bridge floor;
3. according to the invention, the lifting device is arranged on the upright post of the portal frame, and the lifting rope is turned by the pulley in the middle of the beam and then connected with the hanging basket, so that the weight of the beam is reduced, the beam is easier and easier to turn, the requirements on the strength of equipment such as a turning motor are lower, the cost is lower, and the safety is higher.
Drawings
FIG. 1 is a schematic structural diagram of the present invention;
fig. 2 is a top view of a gantry.
Description of reference numerals: the method comprises the following steps of 1-a main tractor, 2-a folding cantilever, 3-a hanging basket, 4-a portal frame, 5-an auxiliary traction device, 6-a cross beam, 7-a lifting device, 8-a lifting rope, 9-a rotating shaft, 10-a turnover motor, 11-a screw and 12-a pulley.
Detailed Description
The invention is further illustrated by the following figures and examples, which are not to be construed as limiting the invention.
The embodiment of the invention comprises the following steps:
a double-amplitude bridge double-suspension-point bridge inspection vehicle is shown in attached figures 1-2 and comprises a main tractor 1, wherein a folding cantilever 2 is connected to the main tractor 1, and a hanging basket 3 is connected to the lower end of the folding cantilever 2; the other side opposite to main tractor 1 is equipped with portal frame 4, and portal frame 4 spanes on the intermediate space of two width of cloth bridges, and the lower extreme of portal frame 4 stand is equipped with vice draw gear 5, and the top of portal frame 4 is crossbeam 6, is equipped with hoisting device 7 on the crossbeam 6, and hoisting device 7 is connected with the one end of hanging flower basket 3 through lifting rope 8.
When the double-deck bridge inspection vehicle works, a portal frame 4 is erected on a gap between double-deck bridges, stand columns are respectively erected on bridge floors on two sides, a main tractor 1 drives to the other side opposite to the portal frame 4, a folding cantilever 2 and a hanging basket 3 are put down, the main tractor 1, the folding cantilever 2 and the hanging basket 3 are traditional cantilever type bridge inspection vehicles, the hanging basket 3 is overturned below the bridge floor, a lifting rope 8 is vertically put down through the gap between the double-deck bridges, the lower end of the lifting rope is fixed at the end part of the hanging basket 3 to form double lifting points, and because the two ends of the portal frame 4 are stressed, large counter weights are not needed, and the portal frame 4 and the main tractor 1 are not shielded, so that traffic operation is not influenced; after a point is examined and repaired, start main tractor 1 and vice draw gear 5 simultaneously, move to next examine and repair the point and examine and repair can, vice draw gear 5 adopt simple motor drive draw gear can.
Preferably, the lifting device 7 is a winch, has large lifting force, can be fixedly suspended, and can be conveniently detached by retracting the lifting rope 8 when being detached.
Preferably, one end of the beam 6 is connected to the column on one side of the gantry 4 through a rotating shaft 9, one end of the rotating shaft 9 is connected to a turnover motor 10, and the other end of the beam 6 is connected to the column on the other side of the gantry 4 through a screw 11.
When the bridge inspection vehicle encounters obstacles such as a street lamp in the moving process, the lifting rope 8 is detached from the hanging basket 3 and is collected, the screw 11 is unscrewed, the overturning motor 10 is started, the cross beam 6 is lifted upwards like a parking lot barrier gate so as to avoid the obstacles such as the street lamp and the like, the operation is continued forwards, after the obstacles are crossed, the cross beam 6 is put down, the cross beam 6 is fixed by the screw 11, the lifting rope 8 is put down and then is fixed on the hanging basket 3, the maintenance is continued, the cantilever type bridge inspection vehicle on the other side can overturn through a self mechanism to avoid the obstacles, and the maintenance of the bridge with the obstacles in operation is realized.
Preferably, the lifting device 7 is arranged at the top end of the upright column on one side of the gantry 4 close to the turnover motor 10, the middle part of the beam 6 is provided with a pulley 12, and the lifting rope 8 is connected with the hanging basket 3 vertically and downwards after passing around the upper side of the pulley 12. When crossbeam 6 overturns, by upset motor 10 drive, if crossbeam 6 middle part is located to hoisting device 7, because lever principle, the load of upset motor 10 can be very big, equipment requirement is stricter, the cost is higher, the risk is also bigger, and locate hoisting device 7 on the stand, weight when can reduce crossbeam 6 upset, alleviate the load of upset motor 10, improve the security, and lifting rope 8 then can turn to through middle pulley 12, the realization is suspended in midair to hanging flower basket 3 of below.
The above description is only for the purpose of illustrating the present invention and the appended claims, and the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (1)
1. The utility model provides a car is examined to two hoisting point bridges of two bridges which characterized in that: the device comprises a main tractor (1), wherein a folding cantilever (2) is connected to the main tractor (1), and a hanging basket (3) is connected to the lower end of the folding cantilever (2); a portal frame (4) is arranged on the other side opposite to the main tractor (1), the portal frame (4) stretches across the middle gap of the double-width bridge, an auxiliary traction device (5) is arranged at the lower end of an upright post of the portal frame (4), a cross beam (6) is arranged at the top end of the portal frame (4), a lifting device (7) is arranged on the cross beam (6), and the lifting device (7) is connected with one end of the hanging basket (3) through a lifting rope (8); the lifting device (7) is a winch; one end of the cross beam (6) is connected to an upright post on one side of the portal frame (4) through a rotating shaft (9), one end of the rotating shaft (9) is connected with a turnover motor (10), and the other end of the cross beam (6) is connected to an upright post on the other side of the portal frame (4) through a screw (11); the lifting device (7) is arranged at the top end of the upright column, close to one side of the turnover motor (10), of the portal frame (4), a pulley (12) is arranged in the middle of the cross beam (6), and the lifting rope (8) is vertically connected with the hanging basket (3) downwards after being wound around from the upper side of the pulley (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911358234.2A CN111041982B (en) | 2019-12-25 | 2019-12-25 | Double-width bridge double-suspension-point bridge inspection vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911358234.2A CN111041982B (en) | 2019-12-25 | 2019-12-25 | Double-width bridge double-suspension-point bridge inspection vehicle |
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| Publication Number | Publication Date |
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| CN111041982A CN111041982A (en) | 2020-04-21 |
| CN111041982B true CN111041982B (en) | 2021-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911358234.2A Active CN111041982B (en) | 2019-12-25 | 2019-12-25 | Double-width bridge double-suspension-point bridge inspection vehicle |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113186833A (en) * | 2021-05-14 | 2021-07-30 | 武船重型工程股份有限公司 | Bridge vehicle system, left box girder and right box girder installation and maintenance method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20070040345A (en) * | 2007-01-24 | 2007-04-16 | 주식회사 엠코리아 | Vehicle for working of bridge slab |
| CN104358211B (en) * | 2014-10-16 | 2016-07-13 | 武汉二航路桥特种工程有限责任公司 | Inspection platform and using method thereof at the bottom of a kind of beam that may span across bridge pier and barrier post |
| CN106351120A (en) * | 2016-08-30 | 2017-01-25 | 湖北华舟重工应急装备股份有限公司 | Door connected bridge maintenance car |
| CN207062787U (en) * | 2017-04-26 | 2018-03-02 | 武汉二航路桥特种工程有限责任公司 | Can Fast Installation remove maintenance construction platform |
| CN109537446A (en) * | 2018-05-04 | 2019-03-29 | 徐胜祥 | A kind of mobile job platform system of assembling bridge |
| CN109267500A (en) * | 2018-07-25 | 2019-01-25 | 广东长大道路养护有限公司 | Bridge maintaining lift truss work platform |
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