CN114703749A - Method for steel truss inspection vehicle to pass through pier top without obstacle - Google Patents
Method for steel truss inspection vehicle to pass through pier top without obstacle Download PDFInfo
- Publication number
- CN114703749A CN114703749A CN202210370043.3A CN202210370043A CN114703749A CN 114703749 A CN114703749 A CN 114703749A CN 202210370043 A CN202210370043 A CN 202210370043A CN 114703749 A CN114703749 A CN 114703749A
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- inspection vehicle
- pier top
- steel truss
- fence
- turnover
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- 238000007689 inspection Methods 0.000 title claims abstract description 56
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 38
- 239000010959 steel Substances 0.000 title claims abstract description 38
- 230000007306 turnover Effects 0.000 claims abstract description 43
- 238000004873 anchoring Methods 0.000 claims description 35
- 230000000694 effects Effects 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 239000011083 cement mortar Substances 0.000 claims description 3
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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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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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The application relates to the field of steel truss bridge inspection, in particular to a method for a steel truss inspection vehicle to pass through a pier top without obstacles. The method comprises the following steps: arranging an embedded sleeve at the pier top, and installing the turnover fence in the embedded sleeve; when the inspection vehicle runs to the front of the turnover fence on the pier top, the turnover fence is integrally turned to be flush with the pier top, and the turnover fence is turned to be in an upright state after the inspection vehicle runs over the turnover fence; and driving the inspection vehicle to continue to run until the steel truss girder bridge body inspection is completed. The embodiment of the application provides a method for a steel truss inspection vehicle to pass through a pier top without obstacles, so as to solve the problems that the method for the existing steel truss inspection vehicle to pass through the pier top in the related art is long in time consumption and large in potential safety hazard.
Description
Technical Field
The application relates to the field of steel truss bridge inspection, in particular to a method for a steel truss inspection vehicle to pass through a pier top without obstacles.
Background
At present, a steel truss girder is used as one of the choices of bridge structure forms, has the advantages of light dead weight, simple structure appearance and the like, particularly has the advantages on a large-span bridge, and is generally applied to the large-span bridge across rivers, sea and the like in railway engineering. With the maintenance problem of steel truss bridge that accompanies it, usually use steel truss to inspect the dolly and maintain and repair, as the inspection sharp ware with the steel truss associated, use and have a lot of restrictions again when satisfying good comment, for example the clearance of steel truss lower chord and bridge pier top often is not big, only can allow inspection dolly automobile body to pass through, and the pier top must set up the protection rail, and so, the passing through of inspection dolly must receive the blockking of pier top rail.
In the related art, there are two existing solutions: firstly, the pier top fence is abandoned, the inspection trolley can freely pass through the inspection trolley, but no enclosure exists in the process of edge operation, and operators on the pier top face a great risk of falling from a high place; secondly, the fences are arranged to be fixed with the pier top embedded sleeves in a plug-in mode, a pier which is dozens of meters long is often provided with a plurality of movable fences, dozens of fences are arranged on two sides of the pier, the fences are taken down one by one when the inspection trolley passes through, personnel carry and recover one by one before leaving, the assembly, disassembly and carrying are long in time consumption, and the risk of marginal installation is very high. Therefore, a safer and faster method for inspecting the passing of the trolley is urgently needed to be provided.
Disclosure of Invention
The embodiment of the application provides a method for a steel truss inspection vehicle to pass through a pier top without obstacles, and aims to solve the problems that the method for the existing steel truss inspection vehicle to pass through the pier top in the related art is long in time consumption and large in potential safety hazard.
In order to achieve the above purpose, the application provides a method for a steel truss inspection vehicle to pass through a pier top without obstacles, which comprises the following steps:
arranging an embedded sleeve at the pier top, and installing the turnover fence in the embedded sleeve;
when the inspection vehicle runs to the front of the turnover fence on the pier top, the turnover fence is turned over to be flush with the pier top, and after the inspection vehicle runs over the turnover fence, the turnover fence is turned over to be in an upright state;
and driving the inspection vehicle to continue to run until the steel truss girder bridge body inspection is completed.
In some embodiments, the embedded sleeves are multiple and are arranged at intervals along the transverse bridge direction.
In some embodiments, the turnover fence comprises a plurality of anchoring vertical bars and a plurality of movable fence vertical bars, the anchoring vertical bars are fixed in the embedded sleeves, and the anchoring vertical bars are connected with the movable fence vertical bars through turnover pieces.
In some embodiments, the flip comprises:
the rotating connecting piece is used for connecting the anchoring vertical rod and the movable fence vertical rod;
the fixing piece is detachably connected to the anchoring vertical rod and the movable fence vertical rod;
when the fixing piece is detached, the movable fence vertical rod can rotate around the anchoring vertical rod to be paved on the top of the pier through the rotating connecting piece, and when the fixing piece is connected to the anchoring vertical rod and the movable fence vertical rod, the movable fence vertical rod is erected on the anchoring vertical rod.
In some embodiments, the anchoring vertical bar and the movable fence vertical bar are both provided with a plug-in ring;
the fixing piece adopts a bolt, the bolt is inserted in the inserting ring of the anchoring vertical rod and the movable fence vertical rod, and the bolt is provided with an anti-falling part.
In some embodiments, the anti-falling part is a limiting part, or the anti-falling part is disposed at the top end of the bolt.
In some embodiments, the insertion ring includes a third insertion ring disposed on the vertical rod of the movable fence, the third insertion ring is located above the second insertion ring, and the third insertion ring is located on a moving path of the anti-falling portion.
In some embodiments, the rotational connector is a hinge.
In some embodiments, the folding rail further comprises a plurality of cross bars welded to the movable rail vertical bars and perpendicular to the movable rail vertical bars.
In some embodiments, after installing the folded-over fence in the embedded sleeve and before folding over the folded-over fence as a whole to be flush with the pier top, the method further comprises: and filling and fixing the part of the turnover fence in the embedded sleeve by using cement mortar.
The beneficial effect that technical scheme that this application provided brought includes:
the embodiment of the application provides a method that steel longeron inspection car accessible passes through the mound top, because when the inspection car needs to pass through the mound top, turn over a rail through turning over and turn over to be level with the mound top, lay flatly in the pier top surface, when the inspection car operation finishes leaving the mound top position, turn over a rail and turn over to upright state, compared with current rail form and saved a large amount of dismouting time, and can ensure operation personnel's safety, consequently, current steel longeron inspection car is through the problem that the method of mound top consumes long, the potential safety hazard is big.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic position diagram of a folding fence apparatus according to an embodiment of the present disclosure;
fig. 2 is a top view of a steel truss inspection vehicle according to an embodiment of the present invention in two states of a folded fence when passing through the top of a pier;
fig. 3 is a side view of a fold-over fence structure provided by an embodiment of the present application;
fig. 4 is an enlarged view of a portion a in fig. 3.
In the figure: 1. a bridge pier; 2. pre-burying a sleeve; 3. turning over the fence; 4. anchoring the vertical rod; 5. a movable fence vertical rod; 51. a movable fence fixing part; 6. a turnover piece; 7. a fixing member; 71. a limiting member; 8. rotating the connecting piece; 9. a plug-in ring; 91. a first plug-in ring; 92. a second plug-in ring; 93. a third plug-in ring; 10. and (6) inspecting the vehicle.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The embodiment of the application provides a method for enabling a steel truss inspection vehicle to pass through a pier top without obstacles, and the method can be used for solving the problems in the related art.
Referring to fig. 1 to 4, the present application provides a method for a steel truss inspection vehicle to pass through a pier top without obstacle, which includes the following steps:
s1, arranging an embedded sleeve 2 at the pier top, and installing a turnover fence 3 in the embedded sleeve 2; specifically, the embedded sleeve 2 has a plurality of, and sets up along horizontal bridge to interval.
S2, when the inspection vehicle 10 runs to the front of the turnover fence 3 on the pier top, the turnover fence 3 is turned over to be flush with the pier top, and after the inspection vehicle 10 runs over the turnover fence 3, the turnover fence 3 is turned over to be in an upright state;
specifically, referring to fig. 2, fig. 2 is a top view of the folded-over fence 3 in an upright state and a folded-over state, where state 1 is a top view of the folded-over fence 3 in the upright state, and state 2 is a top view of the folded-over fence 3 in the folded-over state.
Specifically, referring to fig. 3 and 4, the folding fence 3 includes a plurality of anchoring vertical bars 4 and a plurality of movable fence vertical bars 5, wherein the folding fence 3 is installed by the following specific steps: firstly, the anchoring vertical rod 4 is fixed in the embedded sleeve 2, then the movable fence vertical rod 5 is connected with the anchoring vertical rod 4 through the turnover piece 6, and finally a plurality of cross rods are welded on the movable fence vertical rod 5, so that a turnover fence device is formed. Preferably, the cross bar is welded on the movable rail vertical bar 5 and is perpendicular to the movable rail vertical bar 5; preferably, the gaps between the anchoring vertical rod 4 and the embedded sleeve 2 are filled and fixed by cement mortar.
And S3, driving the inspection vehicle 10 to continue to run until the steel truss girder bridge body inspection is completed.
The embodiment of the application provides a method that steel longeron inspection car accessible passes through the mound top, because when inspection car 10 need pass through the mound top, turn over through turning over a rail 3 and turn over to parallel and level with the mound top, lay flatly in the pier top surface, when inspection car 10 operation finishes leaving the mound top position, turn over a rail 3 and turn over to upright state, compared with current rail form and saved a large amount of dismouting time, and can ensure operation personnel's safety, consequently, current steel longeron inspection car is long, the problem that the potential safety hazard is big through the method consumption time of mound top.
In some preferred embodiments, referring to fig. 3 and 4, the turning piece 6 comprises a fixing piece 7 and a rotating connecting piece 8, wherein the rotating connecting piece 8 connects the anchoring vertical bar 4 and the movable vertical bar 5 for turning the fence, the fixing piece 7 is detachably connected to the anchoring vertical bar 4 and the movable vertical bar 5, specifically, when the fixing piece 7 is detached, the movable vertical bar 5 can rotate around the anchoring vertical bar 4 to be flatly laid on the top of the pier through the rotating connecting piece 8, and when the fixing piece 7 is connected to the anchoring vertical bar 4 and the movable vertical bar 5, the movable vertical bar 5 stands on the anchoring vertical bar 4.
In some preferred embodiments, referring to fig. 3 and 4, the anchoring vertical bar 4 and the movable fence vertical bar 5 are both provided with a plugging ring 9, the fixing member 7 is a plug pin, the plug pin is plugged into the plugging ring 9 of the anchoring vertical bar 4 and the movable fence vertical bar 5, and the plug pin is provided with an anti-dropping part.
Preferably, the retaining part is a limiting part 71, or the retaining part is arranged at the top end of the bolt. Referring to fig. 4, when the anti-releasing portion is a limiting member 71, when the plug pin is inserted into the inserting ring 9, the limiting member 71 is protruded above the inserting ring 9, so as to prevent the plug pin from falling out of the inserting ring 9 due to gravity. If anticreep portion sets up on the bolt top, when the bolt is pegged graft in insert ring 9, anticreep portion is located insert ring 9 top equally, specifically, this anticreep portion diameter is greater than insert ring 9's internal diameter, prevents that the bolt from falling out insert ring 9.
In some preferred embodiments, as shown in fig. 3 and 4, the connector ring 9 comprises a first connector ring 91 disposed on the anchoring post 4 and a second connector ring 92 disposed on the movable rail post 5. The plug pin simultaneously passes through the first inserting ring 91 and the second inserting ring 92, so that the movable fence vertical rod 5 can keep a vertical state on the anchoring vertical rod 4. Specifically, the retaining portion is located above the second insert ring 92.
In some preferred embodiments, referring to fig. 3 and 4, the inserting ring 9 further includes a third inserting ring 93, the third inserting ring 93 is disposed on the movable rail vertical rod 5, and is located above the second inserting ring 92, and is located on a moving path of the anti-dropping portion, preferably, when a plug is inserted into the inserting ring 9, the limiting member 71 is clamped on the second inserting ring 92, and the plug can simultaneously pass through the first inserting ring 91, the second inserting ring 92, and the third inserting ring 93; if an operator holds the limiting member 71 to pull the plug pin upward, when the tail end of the plug pin is separated from the first inserting ring 91, the limiting member 71 abuts against the bottom of the third inserting ring 93. At the moment, the movable fence vertical rod 5 is not fixed on the anchoring vertical rod 4, and the turnover railing 3 can be turned over through the rotating connecting piece 8. So, when activity rail montant 5 becomes the right angle between anchoring montant 4, the bolt both ends are located the second respectively and insert the ring in third interpolation ring 93, can avoid the bolt to lose, can turn over a rail 3 back through turning over at inspection car 10 simultaneously, will turn over a rail 3 and stand upright, will move about rail montant 5 and anchor montant 4 fast and be connected fixedly.
In some preferred embodiments, a movable fence fixing member 51 is connected between the movable fence vertical rod 5 and the anchoring vertical rod 4, specifically, as shown in fig. 4, the diameter of the movable fence fixing member 51 is the same as that of the movable fence vertical rod 5, and the first inserting ring 91 is connected to the movable fence fixing member 51. Preferably, the movable fence fixing member 51 is connected with the movable fence vertical rod 5 by welding.
In some preferred embodiments, the pivot connection 8 is a hinge, as shown in figures 3 and 4. Preferably, two ends of the hinge are respectively welded with the movable fence vertical rod 5 and the anchoring vertical rod 4; preferably, the hinge is located on the opposite side of the insert ring 9, i.e. as shown in fig. 4.
The method for the steel truss inspection vehicle to pass through the pier top without obstacles is simple to operate, greatly reduces the number of fences compared with the existing fence, is good in integrity, and saves a large amount of disassembly and assembly time; and can form at the mound top and face the limit and protect, realize through mounting 7 that upright state is fixed, compare with current rail form and strengthened operation personnel's safety guarantee, reduced the safety risk.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience of describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A method for a steel truss inspection vehicle to pass through a pier top without obstacles is characterized by comprising the following steps:
arranging a pre-buried sleeve (2) at the top of the pier, and installing the turnover fence (3) in the pre-buried sleeve (2);
when the inspection vehicle (10) runs to the front of the turnover fence (3) on the pier top, the turnover fence (3) is turned to be flush with the pier top, and after the inspection vehicle (10) runs over the turnover fence (3), the turnover fence (3) is turned to be in an upright state;
and driving the inspection vehicle (10) to continue to run until the steel truss bridge body inspection is completed.
2. The method for the steel truss inspection vehicle to pass through the pier top without obstacles according to claim 1, wherein:
the embedded sleeves (2) are multiple and are arranged at intervals along the transverse bridge direction.
3. The method of unobstructed passage of a steel truss inspection vehicle through a pier top as claimed in claim 1, wherein:
turn over and turn over a rail (3) and include a plurality of anchor montants (4) and a plurality of activity rail montant (5), anchor montant (4) are fixed in pre-buried sleeve (2), just anchor montant (4) are connected through turning over a piece (6) with activity rail montant (5).
4. A method of unobstructed passage of a steel truss inspection vehicle through a pier top as claimed in claim 3, wherein said turnups (6) include:
the rotating connecting piece (8) is connected with the anchoring vertical rod (4) and the movable fence vertical rod (5);
the fixing piece (7) is detachably connected to the anchoring vertical bar (4) and the movable fence vertical bar (5);
when mounting (7) are dismantled, activity rail montant (5) can wind through rotating connecting piece (8) anchoring montant (4) rotate to the tiling on the mound top, work as mounting (7) are connected when anchoring montant (4) and activity rail montant (5) are gone up, activity rail montant (5) stand upright anchoring montant (4) are last.
5. The method of unobstructed passage of a steel truss inspection vehicle through a pier top as claimed in claim 4, wherein:
the anchoring vertical rod (4) and the movable fence vertical rod (5) are provided with inserting rings (9);
the fixing piece (7) is a bolt which is inserted into an insertion ring (9) of the anchoring vertical rod (4) and the movable fence vertical rod (5), and an anti-falling part is arranged on the bolt.
6. The method of unobstructed passage of a steel truss inspection vehicle through a pier top as claimed in claim 5, wherein:
the anti-disengaging part is a limiting part (71), or the anti-disengaging part is arranged at the top end of the bolt.
7. The method of unobstructed passage of a steel truss inspection vehicle through a pier top as claimed in claim 5, wherein:
the inserting ring (9) comprises a third inserting ring (93) arranged on the movable fence vertical rod (5), the third inserting ring (93) is located above the second inserting ring (92), and the third inserting ring (93) is located on a moving path of the anti-falling part.
8. The method of unobstructed passage of a steel truss inspection vehicle through a pier top as claimed in claim 4, wherein:
the rotary connecting piece (8) adopts a hinge.
9. A method of unobstructed passage of a steel truss inspection vehicle over a pier top as claimed in claim 3, wherein:
the turnover fence (3) further comprises a plurality of cross rods, and the cross rods are welded on the movable fence vertical rods (5) and are perpendicular to the movable fence vertical rods (5).
10. The method of unobstructed passage of a steel truss inspection vehicle through a pier top as claimed in claim 1, wherein:
after the turnover fence (3) is installed in the embedded sleeve (2) and before the turnover fence (3) is integrally turned to be flush with the pier top, the method further comprises the following steps: and filling and fixing the part of the turnover fence (3) in the embedded sleeve (2) by using cement mortar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210370043.3A CN114703749B (en) | 2022-04-08 | Barrier-free pier top passing method for steel truss inspection vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210370043.3A CN114703749B (en) | 2022-04-08 | Barrier-free pier top passing method for steel truss inspection vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114703749A true CN114703749A (en) | 2022-07-05 |
| CN114703749B CN114703749B (en) | 2024-05-14 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014015757A1 (en) * | 2012-07-24 | 2014-01-30 | 湖北武大珞珈工程结构检测咨询有限公司 | Bridge maintenance vehicle with hinge-connected type hanging bracket and capable of avoiding bridge-side obstacles |
| CN203601150U (en) * | 2013-12-09 | 2014-05-21 | 安徽安凯汽车股份有限公司 | Bus roof foldable luggage carrier |
| CN211897783U (en) * | 2020-01-20 | 2020-11-10 | 中铁三局集团建筑安装工程有限公司 | Rail guard structure that steel truss overline bridge faces combination forever |
| CN214005436U (en) * | 2020-11-26 | 2021-08-20 | 中铁二十四局集团有限公司 | Pier hangs rail |
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014015757A1 (en) * | 2012-07-24 | 2014-01-30 | 湖北武大珞珈工程结构检测咨询有限公司 | Bridge maintenance vehicle with hinge-connected type hanging bracket and capable of avoiding bridge-side obstacles |
| CN203601150U (en) * | 2013-12-09 | 2014-05-21 | 安徽安凯汽车股份有限公司 | Bus roof foldable luggage carrier |
| CN211897783U (en) * | 2020-01-20 | 2020-11-10 | 中铁三局集团建筑安装工程有限公司 | Rail guard structure that steel truss overline bridge faces combination forever |
| CN214005436U (en) * | 2020-11-26 | 2021-08-20 | 中铁二十四局集团有限公司 | Pier hangs rail |
Non-Patent Citations (2)
| Title |
|---|
| 常丽蕙, 王祯: "青藏铁路拉萨河特大桥下部结构设计", 桥梁建设, no. 05, 28 October 2005 (2005-10-28), pages 4 * |
| 王祯;: "当前客运专线建设中几个问题的探讨", 铁道标准设计, no. 02, 20 February 2007 (2007-02-20) * |
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