CN109056521B - Maintenance platform and maintenance operation method for high-speed rail bridge steel component - Google Patents
Maintenance platform and maintenance operation method for high-speed rail bridge steel component Download PDFInfo
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- CN109056521B CN109056521B CN201811057695.1A CN201811057695A CN109056521B CN 109056521 B CN109056521 B CN 109056521B CN 201811057695 A CN201811057695 A CN 201811057695A CN 109056521 B CN109056521 B CN 109056521B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 308
- 239000010959 steel Substances 0.000 title claims abstract description 308
- 238000012423 maintenance Methods 0.000 title claims abstract description 79
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000010276 construction Methods 0.000 claims abstract description 26
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 12
- 229910000746 Structural steel Inorganic materials 0.000 claims description 11
- 238000007689 inspection Methods 0.000 claims description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 8
- 230000002787 reinforcement Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 1
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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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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
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Abstract
The invention discloses a maintenance platform for a high-speed rail bridge steel component, which relates to the field of high-speed rail construction.A second steel bottom plate is connected to a first steel bottom plate in a sliding manner, more than two groups of support rod groups are respectively arranged on the upper surfaces of the first steel bottom plate and the second steel bottom plate, each group of support rod group comprises a first support rod and a second support rod, the top end of the first support rod is used for being connected with the side edge of a high-speed rail bridge sidewalk plate, and the top end of the second support rod is used for being connected with an angle steel bracket; this a maintenance platform for high-speed railway bridge steel component simple structure, reasonable in design only needs to set up in advance and hang bracing piece group and steel bottom plate can, and the time of setting up shortens greatly, has also saved construction cost. The invention also provides a maintenance operation method, wherein the maintenance platform is simple and convenient to build, low in cost, good in circulation, convenient for continuous construction operation and extremely high in practicability, and can be built from the bridge abutment and moved to the full bridge abutment, and the bridge top pier is suitable for bridge maintenance work which cannot be carried out on the pier top from the middle pier.
Description
Technical Field
The invention relates to the field of high-speed rail construction, in particular to a maintenance platform and a maintenance operation method for a high-speed rail bridge steel member.
Background
In the existing high-speed railway bridge steel member maintenance method, a maintenance platform is constructed in a mode of fully paving scaffold hooks and scaffold boards below a bridge sidewalk, and the method mainly comprises the following steps: (1) erecting a pier inspection ladder, erecting a pier operator with the height of less than 10 meters from the ground by using a fixed stair, and erecting an operation platform by using a steel pipe and then using the fixed stair; (2) the scaffold boards, the hooks and the reinforcement crosspieces are hung to the abutments from the lower part of the bridge by utilizing the pulley cranes, the customized scaffold hooks are hung to the other abutments from the bridge sidewalk steel support one by virtue of the scaffold short boards, the scaffold boards are fully paved and fixed synchronously, and then the crosspiece reinforcements are additionally arranged on the scaffold hooks and the safety nets are arranged in a bag mode.
Above-mentioned can know, the current maintenance platform need set up numerous scaffold hooks of quantity one by one on the angle iron support between the pier in advance when buildding to full-spread scaffold board between scaffold hook, still must set up the full-bridge maintenance passageway from the pier, not only need reserve scaffold board quantity great, the step is loaded down with trivial details moreover, need can maintain the operation with the whole backs of laying of scaffold hook and scaffold board, it is longer to consume time, and the cost is great. In addition, in the maintenance operation, the hitching of the scaffold hook is easily influenced by the construction error of the bridge and the deformation of the bridge, so that certain potential safety hazards exist; and for the pier with the pier height of more than 15 meters, the pier is arranged in a mode of erecting a steel pipe scaffold, so that certain difficulty exists, and the efficiency requirement and the safety requirement of construction cannot be met.
Disclosure of Invention
The invention aims to provide a maintenance platform and a maintenance method for a high-speed railway bridge steel member, which have the advantages of reasonable structure, simple and convenient installation steps, low cost and capability of ensuring the continuity and safety of maintenance operation.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a maintenance platform for a high-speed railway bridge steel member, which comprises a first steel bottom plate, wherein more than one second steel bottom plate is also connected into the upper surface of the first steel bottom plate in a sliding manner, and the second steel bottom plates are used for sliding along the length direction of the first steel bottom plate; the upper surfaces of the first steel bottom plate and the second steel bottom plate are respectively provided with more than two groups of support rod groups, the more than two groups of support rod groups are distributed along the length direction of the first steel bottom plate and the second steel bottom plate, each group of support rod group comprises a first support rod and a second support rod, the more than two first support rods and the more than two second support rods which are positioned on the first steel bottom plate are respectively positioned on two sides of the second steel bottom plate, the more than two first support rods which are positioned on the second steel bottom plate are positioned on the same side as the first support rods which are positioned on the first steel bottom plate, and the more than two second support rods which are positioned on the second steel bottom plate are positioned on the same side as the second support rods which are positioned on the first steel bottom plate; the top ends of the first supporting rods are used for being connected with the side edge of the high-speed railway bridge sidewalk board, and the top ends of the second supporting rods are used for being connected with the angle steel bracket.
Optionally, the second steel bottom plate is connected to the inner surface of the upper surface of the first steel bottom plate in a sliding manner; the upper surface of first steel bottom plate is followed the width direction of first steel bottom plate is provided with many protruding slides side by side, the bottom of second steel bottom plate seted up the multichannel with the spout that protruding slide matches.
Optionally, two groups of the support rod groups are arranged on the first steel bottom plate, and the two groups of the support rod groups are respectively located at two ends of the first steel bottom plate in the length direction; the second steel bottom plate is provided with two groups of supporting rod groups, and the two groups of supporting rod groups are respectively positioned at two ends of the second steel bottom plate in the length direction.
Optionally, the length of the first support rod in each support rod group is greater than that of the second support rod, a hook buckle is arranged at the top end of each first support rod and each second support rod, an opening is arranged on one side of the hook buckle, and two ends of the opening are connected through a bolt pair.
Optionally, the first supporting rod and the second supporting rod on the first steel bottom plate are hinged to the first steel bottom plate, and the first supporting rod and the second supporting rod on the second steel bottom plate are hinged to the second steel bottom plate.
Optionally, adjacent first support rods and adjacent second support rods on the first steel bottom plate are detachably connected through steel bar guardrails; adjacent first supporting rods and adjacent second supporting rods on the second steel bottom plate are detachably connected through steel bar guardrails; the first supporting rod in each group of supporting rod group is detachably connected with the second supporting rod through a steel bar crosspiece.
Optionally, each of the first support rod and the lever arm of the second support rod is provided with a through hole, and the through holes are used for installing a steel bar guardrail and/or a steel bar crosspiece.
Optionally, the raised slideway is a T-shaped raised slideway, and the top end surface of the T-shaped raised slideway is an arc surface; the sliding groove is a T-shaped sliding groove matched with the outline of the T-shaped raised sliding way, and the top end surface of the T-shaped sliding groove is an arc surface.
The invention also provides a maintenance operation method based on the maintenance platform for the high-speed railway bridge steel member, which comprises the following steps of:
the method comprises the following steps: erecting an inspection ladder on a high-speed rail bridge pier, and conveying the unassembled first steel bottom plate, the unassembled second steel bottom plate, the support rod group and other construction tools to the top of the pier;
step two: connecting the second steel bottom plate to the upper surface of the first steel bottom plate in a sliding manner, installing the support rod group on the upper surface of the first steel bottom plate, connecting and locking the top end of each first support rod on the first steel bottom plate with the side edge of the high-speed railway bridge sidewalk board, and connecting and locking the top end of each second support rod on the first steel bottom plate with an angle steel bracket;
step three: the second steel bottom plate is adjusted in a sliding mode along the length direction of the first steel bottom plate, after the second steel bottom plate is moved to a proper position, the supporting rod group is installed on the upper surface of the second steel bottom plate, the top end of each first supporting rod on the second steel bottom plate is connected and locked with the side edge of the high-speed railway bridge sidewalk board, and the top end of each second supporting rod on the second steel bottom plate is connected and locked with an angle iron bracket;
step four: an operator starts to maintain and derust the high-speed rail bridge steel member at a maintenance point on the maintenance platform built in the third step;
step five: after the maintenance and rust removal operation is finished, unlocking and detaching each first support rod on the side edge of the sidewalk plate of the high-speed railway bridge, unlocking and detaching each second support rod on an angle steel bracket, moving the first steel bottom plate and the second steel bottom plate forwards to the position below the next maintenance point, and then sequentially repeating the steps two to four to continue the maintenance and rust removal operation;
step six: and repeating the fifth step until the maintenance and rust removal work of the whole high-speed railway bridge is completely finished, unlocking and disassembling each first supporting rod at the side edge of the sidewalk plate of the high-speed railway bridge, unlocking and disassembling each second supporting rod on an angle steel bracket, finally disassembling the first steel bottom plate, the second steel bottom plate and the supporting rod group to the original state, and conveying the first steel bottom plate, the second steel bottom plate and the supporting rod group to the ground together with other construction tools through a pier inspection ladder.
Compared with the prior art, the invention has the following technical effects:
the maintenance platform for the steel member of the high-speed railway bridge provided by the invention is simple in structure and reasonable in design, only the supporting rod group and the steel bottom plate need to be hung in advance, the construction time is greatly shortened, and the construction cost is also saved; in the maintenance operation method provided by the invention, the maintenance platform is simple and convenient to build, low in cost, good in circulation, convenient for continuous construction operation, suitable for bridge maintenance work which cannot be realized by pier tops on middle piers, and extremely high in practicability, and the maintenance platform can be built from the bridge abutment and moved to the full bridge abutment.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic structural view of a maintenance platform for a steel member of a high-speed railway bridge according to the present invention;
FIG. 2 is a schematic structural view of the first steel bottom plate of FIG. 1;
FIG. 3 is a schematic structural view of the second steel bottom plate of FIG. 1;
FIG. 4 is a schematic view of a portion of the first steel baseplate of FIG. 2;
FIG. 5 is a partial structural view of the second steel bottom plate of FIG. 3;
FIG. 6 is a schematic view of the connection of a first steel bottom plate and a second steel bottom plate;
FIG. 7 is a side view of the connection of the first steel bottom plate and the second steel bottom plate of FIG. 6;
FIG. 8 is a schematic view of the hook buckle of FIG. 1;
wherein the reference numerals are: 1. a first steel bottom plate; 2. a second steel bottom plate; 3. a first support bar; 4. a second support bar; 5. a hook buckle ring; 5-1, opening; 5-2, a bolt pair; 6. a reinforcement bar crosspiece; 7. a steel bar guardrail; 8. a raised slideway; 9. a chute.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.
The invention aims to provide a maintenance platform and a maintenance method for a high-speed railway bridge steel member, which have the advantages of reasonable structure, simple and convenient installation steps, low cost and capability of ensuring the continuity and safety of maintenance operation.
Based on the structure, the invention provides a maintenance platform for a high-speed railway bridge steel member, which comprises a first steel bottom plate, wherein more than one second steel bottom plate is also connected in the upper surface of the first steel bottom plate in a sliding manner, and the second steel bottom plates are used for sliding along the length direction of the first steel bottom plate; the upper surfaces of the first steel bottom plate and the second steel bottom plate are respectively provided with more than two groups of supporting rod groups, the more than two groups of supporting rod groups are distributed along the length direction of the first steel bottom plate and the second steel bottom plate, each group of supporting rod groups comprises a first supporting rod and a second supporting rod, more than two first supporting rods and more than two second supporting rods which are positioned on the first steel bottom plate are respectively positioned on two sides of the second steel bottom plate, the more than two first supporting rods which are positioned on the second steel bottom plate are positioned on the same side as the first supporting rods which are positioned on the first steel bottom plate, and the more than two second supporting rods which are positioned on the second steel bottom plate are positioned on the same side as the second supporting rods which are positioned on the first steel bottom plate; the top end of the first supporting rod is used for being connected with the side edge of the high-speed railway bridge sidewalk board, and the top end of the second supporting rod is used for being connected with the angle steel bracket.
The invention also provides a maintenance operation method based on the maintenance platform for the high-speed railway bridge steel member, which comprises the following steps of:
the method comprises the following steps: erecting an inspection ladder on a high-speed rail bridge pier, and conveying the first steel bottom plate, the second steel bottom plate, the support rod group and other construction tools which are not assembled to the top of the pier;
step two: connecting the second steel bottom plate to the upper surface of the first steel bottom plate in a sliding manner, installing the support rod group on the upper surface of the first steel bottom plate, connecting and locking the top end of each first support rod on the first steel bottom plate with the side edge of the high-speed railway bridge sidewalk board, and connecting and locking the top end of each second support rod on the first steel bottom plate with an angle steel bracket;
step three: the second steel bottom plate is adjusted in a sliding mode along the length direction of the first steel bottom plate, after the second steel bottom plate is moved to a proper position, the supporting rod group is installed on the upper surface of the second steel bottom plate, the top end of each first supporting rod on the second steel bottom plate is connected and locked with the side edge of the high-speed railway bridge sidewalk board, and the top end of each second supporting rod on the second steel bottom plate is connected and locked with an angle iron bracket;
step four: an operator starts to maintain and derust the high-speed rail bridge steel member at a maintenance point on the maintenance platform built in the third step;
step five: after the maintenance and rust removal operation is finished, unlocking and detaching each first support rod on the side edge of the sidewalk plate of the high-speed railway bridge, unlocking and detaching each second support rod on an angle steel bracket, moving the first steel bottom plate and the second steel bottom plate forwards to the position below the next maintenance point, and then sequentially repeating the steps two to four to continue the maintenance and rust removal operation;
step six: and repeating the fifth step until the maintenance and rust removal work of the whole high-speed railway bridge is completely finished, unlocking and disassembling each first supporting rod at the side edge of the sidewalk plate of the high-speed railway bridge, unlocking and disassembling each second supporting rod on an angle steel bracket, finally disassembling the first steel bottom plate, the second steel bottom plate and the supporting rod group to the original state, and conveying the first steel bottom plate, the second steel bottom plate and the supporting rod group to the ground together with other construction tools through a pier inspection ladder.
The maintenance platform for the steel member of the high-speed railway bridge provided by the invention is simple in structure and reasonable in design, only the supporting rod group and the steel bottom plate need to be hung in advance, the construction time is greatly shortened, and the construction cost is also saved; in the maintenance operation method provided by the invention, the maintenance platform is simple and convenient to build, low in cost, good in circulation, convenient for continuous construction operation, suitable for bridge maintenance work which cannot be realized by pier tops on middle piers, and extremely high in practicability, and the maintenance platform can be built from the bridge abutment and moved to the full bridge abutment.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The first embodiment is as follows:
as shown in fig. 1 to 5, the present embodiment provides a maintenance platform for a steel member of a high-speed railway bridge, including a first steel bottom plate 1, wherein more than one second steel bottom plates 2 are further connected to an upper surface of the first steel bottom plate 1 in a sliding manner, and the second steel bottom plates 2 are used for sliding along a length direction of the first steel bottom plate 1; the upper surfaces of the first steel bottom plate 1 and the second steel bottom plate 2 are respectively provided with more than two groups of support rod groups, the more than two groups of support rod groups are distributed along the length direction of the first steel bottom plate 1 and the second steel bottom plate 2, each group of support rod group comprises a first support rod 3 and a second support rod 4, the more than two first support rods 3 and the more than two second support rods 4 on the first steel bottom plate 1 are respectively distributed on two sides of the second steel bottom plate 2, the more than two first support rods 3 on the second steel bottom plate 2 are positioned on the same side as the first support rods 3 on the first steel bottom plate 1, and the more than two second support rods 4 on the second steel bottom plate 2 are positioned on the same side as the second support rods 4 on the first steel bottom plate 1; wherein, 3 tops of first bracing piece are used for being connected with high-speed railway bridge pavement slab side, and the top of second bracing piece 4 is used for being connected with angle steel support.
In this embodiment, as shown in fig. 1 to 7, at most two second steel bottom plates 2 are slidably connected to the inside of the upper surface of the first steel bottom plate 1, and in this embodiment, it is preferable that one second steel bottom plate 2 is slidably connected to the first steel bottom plate 1; the upper surface of first steel bottom plate 1 is provided with many protruding slides 8 side by side along the width direction of first steel bottom plate 1, and this embodiment is preferred to be provided with three protruding slides 8 and parallel arrangement, and the spout 9 that multichannel and protruding slide 8 match is seted up to the bottom of second steel bottom plate 2, and preferred three spouts 9 and parallel arrangement set up. In this embodiment, the first steel bottom plate 1 and the second steel bottom plate 2 have the same length, but the second steel bottom plate 2 has a width smaller than that of the first steel bottom plate 1, and the two steel bottom plates slide relative to each other through the raised slide rail 8 and the slide groove 9, and can achieve the effect of moving between the steel brackets in the air.
Further, as shown in fig. 1 to 5, two groups of support rod sets are arranged on the first steel bottom plate 1, and the two groups of support rod sets are respectively located at two ends of the first steel bottom plate 1 in the length direction, that is, two first support rods 3 and two second support rods 3 are respectively arranged at four corners of the first steel bottom plate 1; correspondingly, the second steel bottom plate 2 is provided with two sets of support rod groups, the two sets of support rod groups are respectively located at two ends of the second steel bottom plate 2 in the length direction, namely, the two first support rods 3 and the two second support rods 3 are respectively arranged at four corners of the second steel bottom plate 2.
Further, as shown in fig. 1 to 5, the length of the first support rod 3 in each support rod group is greater than that of the second support rod 4, and the top end of each first support rod 3 and each second support rod 4 is provided with a hook buckle 5, as shown in fig. 8, the hook buckle 5 is a circular ring, one side of the hook buckle 5 is provided with an opening 5-1, the upper end and the lower end of the opening 5-1 are respectively provided with a connecting plate, the two connecting plates are connected through a bolt pair 5-2, the bolt pair 5-2 comprises a bolt and a nut, the bolt pair 5-2 is disassembled, so that the hook buckle 5 is conveniently connected to the side edge of the high-speed rail bridge walkway plate or the angle iron bracket through the opening 5-1, and after the bolt and the nut of the bolt pair 5-2 are installed and screwed, the hook buckle 5 can be fixed and locked to the side edge of the high-speed rail bridge walkway plate or the angle iron bracket, has the effect of firmly connecting the steel bottom plate with the side edge of the high-speed railway bridge sidewalk plate or the angle steel bracket.
Furthermore, a first support rod 3 and a second support rod 4 which are positioned on the first steel bottom plate 1 are hinged with the first steel bottom plate 1, and are preferably connected by adopting a movable hinge, so that each support rod can be folded and unfolded through a lower movable hinge to be adjusted, and the position of the angle iron bracket is convenient to adapt; correspondingly, the first supporting rod 3 and the second supporting rod 4 which are positioned on the second steel bottom plate 2 are hinged with the second steel bottom plate 2, and are preferably connected by movable hinges, so that the supporting rods can be folded and unfolded through the lower movable hinges, the positions of the angle iron supports can be conveniently adapted, the distance can be flexibly adjusted when errors existing in some bridges are hung, the adaptability is high, and the maintenance operation is very convenient.
Furthermore, adjacent first supporting rods 3 and adjacent second supporting rods 4 on the first steel bottom plate 1 are detachably connected through steel bar guardrails 7; adjacent first supporting rods 3 and adjacent second supporting rods 4 on the second steel bottom plate 2 are detachably connected through steel bar guardrails 7; the first supporting rod 3 and the second supporting rod 4 in each group of supporting rod group on the first steel bottom plate 1 and the second steel bottom plate 2 are detachably connected through a steel bar crosspiece 6. In this embodiment, all seted up the through-hole on the lever arm of every first bracing piece 3 and every second bracing piece 4, the through-hole is used for installing reinforcing bar guardrail 7 and reinforcing bar crosspiece 6, and reinforcing bar guardrail 7 and reinforcing bar crosspiece 6 are preferred to be installed at the intermediate position of each bracing piece, both can strengthen the connection, improve every lateral stability to the bracing piece group, still can improve whole device stability and safety protection, moreover through seting up installation reinforcing bar guardrail 7 and reinforcing bar crosspiece 6, convenient to detach adjusts.
Further, as shown in fig. 6 to 7, the raised slide way 8 is a T-shaped raised slide way, and the top end surface of the T-shaped raised slide way is an arc surface; the sliding groove 9 is a T-shaped sliding groove matched with the outline of the T-shaped raised slideway, and the top end surface of the T-shaped sliding groove is an arc surface.
The following briefly describes a method for constructing a maintenance platform for a steel member of a high-speed railway bridge according to this embodiment, in which each support rod is mounted on a first steel bottom plate 1 and a second steel bottom plate 2 by a movable hinge, and the method mainly includes the following steps:
the method comprises the following steps: erecting an inspection ladder on a high-speed rail bridge pier, and conveying the first steel bottom plate 1, the second steel bottom plate 2, the support rod group, the reinforcing steel bar crosspiece 6, the reinforcing steel bar guardrail 7 and other construction tools which are not assembled to the top of the pier;
step two: connecting a second steel bottom plate 2 to the upper surface of a first steel bottom plate 1 in a sliding manner, unfolding two groups of support rod groups folded on the upper surface of the first steel bottom plate 1, connecting and locking the top end of each first support rod 3 positioned on the first steel bottom plate 1 with the side edge of a high-speed railway bridge sidewalk board through a hook buckle ring 5, and connecting and locking the top end of each second support rod 4 positioned on the first steel bottom plate 1 with an angle iron bracket through the hook buckle ring 5;
step three: the second steel bottom plate 2 is adjusted in a sliding mode along the length direction of the first steel bottom plate 1, after the second steel bottom plate 2 is moved to a proper position, the supporting rod group with the folded upper surface of the second steel bottom plate 2 is unfolded, the top end of each first supporting rod 3 located on the second steel bottom plate 2 is connected and locked with the side edge of the high-speed railway bridge sidewalk board through a hook buckle ring 5, and the top end of each second supporting rod 4 located on the second steel bottom plate 2 is connected and locked with an angle steel bracket through the hook buckle ring 5;
step four: and reinforcing steel bar guardrails 7 are arranged between the adjacent first supporting rods 3 and between the adjacent second supporting rods 4 on the first steel bottom plate 1 and the second steel bottom plate 2, and reinforcing steel bar rungs 6 are arranged between the first supporting rods 3 and the second supporting rods 4 in each group of supporting rod groups, so that the construction of the maintenance platform is completed.
Therefore, the maintenance platform for the steel member of the high-speed railway bridge provided by the invention is simple in structure and reasonable in design, only the supporting rod group and the steel bottom plate need to be hung in advance, the building time is greatly shortened, and the building cost is also saved.
Example two:
the embodiment provides a maintenance operation method for a maintenance platform of a high-speed railway bridge steel member based on the first embodiment, which mainly comprises the following steps:
the method comprises the following steps: erecting an inspection ladder on a high-speed rail bridge pier, and conveying the first steel bottom plate 1, the second steel bottom plate 2, the support rod group, the reinforcing steel bar crosspiece 6, the reinforcing steel bar guardrail 7 and other construction tools which are not assembled to the top of the pier;
step two: connecting a second steel bottom plate 2 to the upper surface of a first steel bottom plate 1 in a sliding manner, unfolding two groups of support rod groups folded on the upper surface of the first steel bottom plate 1, connecting and locking the top end of each first support rod 3 positioned on the first steel bottom plate 1 with the side edge of a high-speed railway bridge sidewalk board through a hook buckle ring 5, and connecting and locking the top end of each second support rod 4 positioned on the first steel bottom plate 1 with an angle iron bracket through the hook buckle ring 5;
step three: the second steel bottom plate 2 is adjusted in a sliding mode along the length direction of the first steel bottom plate 1, after the second steel bottom plate 2 is moved to a proper position, the supporting rod group with the folded upper surface of the second steel bottom plate 2 is unfolded, the top end of each first supporting rod 3 located on the second steel bottom plate 2 is connected and locked with the side edge of the high-speed railway bridge sidewalk board through a hook buckle ring 5, and the top end of each second supporting rod 4 located on the second steel bottom plate 2 is connected and locked with an angle steel bracket through the hook buckle ring 5;
step four: installing reinforcing steel bar guardrails 7 between adjacent first supporting rods 3 and between adjacent second supporting rods 4 on the first steel bottom plate 1 and the second steel bottom plate 2, and installing reinforcing steel bar crosspieces 6 between the first supporting rods 3 and the second supporting rods 4 in each group of supporting rod groups to complete the construction of the maintenance platform;
step five: an operator starts to maintain and derust the high-speed rail bridge steel member at one maintenance point on the maintenance platform built in the fourth step;
step six: after the maintenance and rust removal operation is completed, unlocking and detaching each first support rod 3 at the side edge of the sidewalk plate of the high-speed railway bridge, unlocking and detaching each second support rod 4 on the angle iron bracket, moving the first steel bottom plate 1 and the second steel bottom plate 2 forwards to the position below the next maintenance point, and then repeating the steps two to four in sequence and continuing the maintenance and rust removal operation;
step seven: and repeating the fifth step to the sixth step until the maintenance and rust removal work of the whole high-speed railway bridge is completely finished, disassembling each steel bar crosspiece 6 and each steel bar guardrail 7, then unlocking and disassembling each first support rod 3 at the side edge of the sidewalk plate of the high-speed railway bridge, unlocking and disassembling each second support rod 4 on the angle steel bracket, finally folding each support rod on the first steel bottom plate 1 and the second steel bottom plate 2 to an original state, and then conveying the support rods together with other construction tools to the ground through the abutment inspection ladder.
The maintenance platform for the steel member of the high-speed railway bridge is simple in structure and reasonable in design, only the supporting rod group and the steel bottom plate need to be hung in advance, the construction time is greatly shortened, and the construction cost is also saved; in the maintenance operation method provided by the invention, the maintenance platform is simple and convenient to build, low in cost, good in circulation, convenient for continuous construction operation, suitable for bridge maintenance work which cannot be realized by pier tops on middle piers, and extremely high in practicability, and the maintenance platform can be built from the bridge abutment and moved to the full bridge abutment.
It should be noted that, in the first embodiment of the present invention, only one second steel bottom plate is disposed on the first steel bottom plate, the second steel bottom plate is further slidably connected to a third steel bottom plate, the third steel bottom plate is further slidably connected to a fourth steel bottom plate, and so on, the sliding connection relationship between the first steel bottom plate and the second steel bottom plate is also not limited to the first embodiment of the present invention, and the adaptive changes according to actual requirements are all within the protection scope of the present invention; the supporting rod groups on each steel bottom plate are not limited to be arranged in two groups, the top end of each supporting rod is not limited to be connected with a related structure of a bridge through a hook retaining ring, and adaptability change according to actual requirements is within the protection scope of the invention; the connection mode between the reinforcement bar crosspiece and the reinforcement bar guardrail and each support rod is not limited to the first embodiment, and the invention is within the protection scope of the invention according to the practical requirement.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (9)
1. The utility model provides a maintenance platform for high-speed railway bridge steel component which characterized in that: the steel plate comprises a first steel bottom plate, wherein more than one second steel bottom plate is also connected into the upper surface of the first steel bottom plate in a sliding manner, and the second steel bottom plates are used for sliding along the length direction of the first steel bottom plate; the upper surfaces of the first steel bottom plate and the second steel bottom plate are respectively provided with more than two groups of support rod groups, the more than two groups of support rod groups are distributed along the length direction of the first steel bottom plate and the second steel bottom plate, each group of support rod group comprises a first support rod and a second support rod, the more than two first support rods and the more than two second support rods which are positioned on the first steel bottom plate are respectively positioned on two sides of the second steel bottom plate, the more than two first support rods which are positioned on the second steel bottom plate are positioned on the same side as the first support rods which are positioned on the first steel bottom plate, and the more than two second support rods which are positioned on the second steel bottom plate are positioned on the same side as the second support rods which are positioned on the first steel bottom plate; the top ends of the first supporting rods are used for being connected with the side edge of a sidewalk board of a high-speed railway bridge, the top ends of the second supporting rods are used for being connected with an angle steel bracket, hook buckles are arranged at the top ends of the first supporting rods and the second supporting rods, an opening is formed in one side of each hook buckle, and the two ends of the opening are connected through bolt pairs.
2. The service platform for a high-speed railway bridge steel member of claim 1, wherein: the second steel bottom plate is connected to the inner side of the upper surface of the first steel bottom plate in a sliding mode; the upper surface of first steel bottom plate is followed the width direction of first steel bottom plate is provided with many protruding slides side by side, the bottom of second steel bottom plate seted up the multichannel with the spout that protruding slide matches.
3. The service platform for a high-speed railway bridge steel member of claim 1, wherein: the first steel bottom plate is provided with two groups of support rod groups, and the two groups of support rod groups are respectively positioned at two ends of the first steel bottom plate in the length direction; the second steel bottom plate is provided with two groups of supporting rod groups, and the two groups of supporting rod groups are respectively positioned at two ends of the second steel bottom plate in the length direction.
4. The service platform for a high-speed railway bridge steel member of claim 3, wherein: the length of the first supporting rod in each group of supporting rod groups is greater than that of the second supporting rod.
5. The service platform for a high-speed railway bridge steel member of claim 1, wherein: and the first supporting rod and the second supporting rod are positioned on the first steel bottom plate and hinged to the first steel bottom plate, and the first supporting rod and the second supporting rod are positioned on the second steel bottom plate and hinged to the second steel bottom plate.
6. The service platform for a high-speed railway bridge steel member of claim 5, wherein: adjacent first supporting rods and adjacent second supporting rods on the first steel bottom plate are detachably connected through steel bar guardrails; adjacent first supporting rods and adjacent second supporting rods on the second steel bottom plate are detachably connected through steel bar guardrails; the first supporting rod in each group of supporting rod group is detachably connected with the second supporting rod through a steel bar crosspiece.
7. The service platform for a high-speed railway bridge steel member of claim 6, wherein: every the through-hole has all been seted up on the lever arm of first bracing piece with the second bracing piece, the through-hole is used for installing reinforcing bar guardrail and/or reinforcing bar crosspiece.
8. The service platform for a high-speed railway bridge steel member of claim 2, wherein: the raised slideway is a T-shaped raised slideway, and the top end surface of the T-shaped raised slideway is an arc surface; the sliding groove is a T-shaped sliding groove matched with the outline of the T-shaped raised sliding way, and the top end surface of the T-shaped sliding groove is an arc surface.
9. A maintenance operation method of the maintenance platform for the high-speed railway bridge steel member according to any one of claims 1 to 8, characterized by comprising the following steps:
the method comprises the following steps: erecting an inspection ladder on a high-speed rail bridge pier, and conveying the unassembled first steel bottom plate, the unassembled second steel bottom plate, the support rod group and other construction tools to the top of the pier;
step two: connecting the second steel bottom plate to the upper surface of the first steel bottom plate in a sliding manner, installing the support rod group on the upper surface of the first steel bottom plate, connecting and locking the top end of each first support rod on the first steel bottom plate with the side edge of the high-speed railway bridge sidewalk board, and connecting and locking the top end of each second support rod on the first steel bottom plate with an angle steel bracket;
step three: the second steel bottom plate is adjusted in a sliding mode along the length direction of the first steel bottom plate, after the second steel bottom plate is moved to a proper position, the supporting rod group is installed on the upper surface of the second steel bottom plate, the top end of each first supporting rod on the second steel bottom plate is connected and locked with the side edge of the high-speed railway bridge sidewalk board, and the top end of each second supporting rod on the second steel bottom plate is connected and locked with an angle iron bracket;
step four: an operator starts to maintain and derust the high-speed rail bridge steel member at a maintenance point on the maintenance platform built in the third step;
step five: after the maintenance and rust removal operation is finished, unlocking and detaching each first support rod on the side edge of the sidewalk plate of the high-speed railway bridge, unlocking and detaching each second support rod on an angle steel bracket, moving the first steel bottom plate and the second steel bottom plate forwards to the position below the next maintenance point, and then sequentially repeating the steps two to four to continue the maintenance and rust removal operation;
step six: and repeating the fifth step until the maintenance and rust removal work of the whole high-speed railway bridge is completely finished, unlocking and disassembling each first supporting rod at the side edge of the sidewalk plate of the high-speed railway bridge, unlocking and disassembling each second supporting rod on an angle steel bracket, finally disassembling the first steel bottom plate, the second steel bottom plate and the supporting rod group to the original state, and conveying the first steel bottom plate, the second steel bottom plate and the supporting rod group to the ground together with other construction tools through a pier inspection ladder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811057695.1A CN109056521B (en) | 2018-09-11 | 2018-09-11 | Maintenance platform and maintenance operation method for high-speed rail bridge steel component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811057695.1A CN109056521B (en) | 2018-09-11 | 2018-09-11 | Maintenance platform and maintenance operation method for high-speed rail bridge steel component |
Publications (2)
| Publication Number | Publication Date |
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| CN109056521A CN109056521A (en) | 2018-12-21 |
| CN109056521B true CN109056521B (en) | 2020-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811057695.1A Expired - Fee Related CN109056521B (en) | 2018-09-11 | 2018-09-11 | Maintenance platform and maintenance operation method for high-speed rail bridge steel component |
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| CN (1) | CN109056521B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114215323B (en) * | 2021-12-27 | 2023-04-07 | 广州地铁设计研究院股份有限公司 | Civil engineering and mechanical integration assembly type maintenance platform and construction method thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6360490B1 (en) * | 2001-06-15 | 2002-03-26 | Richard J Cotriss | Containment system |
| KR101241305B1 (en) * | 2011-05-03 | 2013-03-11 | (주)디에스지 | Device for bridge inspection moving type |
| CN203430005U (en) * | 2013-08-02 | 2014-02-12 | 郑州新光色耐火材料有限公司 | Overhauling platform for electric melting furnace |
| CN204754226U (en) * | 2015-06-08 | 2015-11-11 | 广厦建设集团有限责任公司贵州分公司 | Detachable construction platform of unloading |
| CN207295493U (en) * | 2017-10-10 | 2018-05-01 | 江西省公路桥梁工程有限公司 | A kind of collapsible interior Hanging Basket of wet seam construction of highway bridge |
| CN207003637U (en) * | 2017-12-01 | 2018-02-13 | 卢宗鸿 | A kind of telescopic movable platform |
| CN207619849U (en) * | 2017-12-01 | 2018-07-17 | 中交路桥北方工程有限公司 | A kind of single Hanging Basket of simple folding |
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2018
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| CN109056521A (en) | 2018-12-21 |
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