CN219992249U - Aquatic bridge support replacement system - Google Patents
Aquatic bridge support replacement system Download PDFInfo
- Publication number
- CN219992249U CN219992249U CN202321232931.5U CN202321232931U CN219992249U CN 219992249 U CN219992249 U CN 219992249U CN 202321232931 U CN202321232931 U CN 202321232931U CN 219992249 U CN219992249 U CN 219992249U
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- truss
- travelling
- lifting
- vehicle body
- bridge
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- 230000007246 mechanism Effects 0.000 claims abstract description 91
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000010276 construction Methods 0.000 abstract description 10
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 238000007689 inspection Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Abstract
The utility model relates to a system for replacing a bridge support in water, which comprises a travelling mechanism, a lifting mechanism and a floating mechanism, wherein the travelling mechanism is connected with the lifting mechanism; the travelling mechanism comprises a travelling rail, a vehicle body and a cantilever arm, wherein the travelling rail is laid on the bridge deck, the vehicle body is arranged on the travelling rail in a sliding manner, the vehicle body is provided with a travelling driving mechanism for driving the vehicle body to move along the travelling rail, and the cantilever arm is arranged on the vehicle body and extends to the outer side of the bridge deck; the lifting mechanism comprises a truss, the truss is arranged below the bridge along the width direction of the bridge, two ends of the truss are connected to cantilever arms of the travelling mechanism through connecting ropes, a lifting driving mechanism is arranged on the truss, and the lifting driving mechanism tightens or releases the connecting ropes to lift the truss; the floating mechanism comprises a floating platform, and a truss limiting frame matched with the lower end of the truss in shape is arranged on the floating platform. The structure can realize replacement construction through a simple structure, and is beneficial to reducing construction cost.
Description
Technical Field
The utility model relates to the technical field of bridge construction, in particular to a system for replacing a bridge support in water.
Background
Along with the continuous acceleration of the economic development and the urban process of China, the traffic modes such as expressways, railways, urban rail transit and the like are rapidly developed, and the bridge supports are aged and damaged more seriously under the condition of increasing the traffic flow, so that the support replacement is not slow, but the replacement of the bridge pier supports in water is a great technical problem. The bridge inspection vehicle is adopted for replacing the traditional underwater bridge pier support, and the construction cost of the bridge inspection vehicle is high and cannot be reduced. Therefore, it is necessary to provide another structure for replacing the underwater bridge bearing, which has a simple structure and is convenient to use.
Disclosure of Invention
In order to solve the above problems, an object of the present utility model is to provide a system for replacing a bridge support in water, which can realize replacement work by a simple structure.
A system for replacing a bridge support in water comprises a travelling mechanism, a lifting mechanism and a floating mechanism;
the travelling mechanism comprises a travelling rail, a vehicle body and a cantilever arm, wherein the travelling rail is laid on the bridge deck, the vehicle body is arranged on the travelling rail in a sliding manner, the vehicle body is provided with a travelling driving mechanism for driving the vehicle body to move along the travelling rail, and the cantilever arm is arranged on the vehicle body and extends to the outer side of the bridge deck;
the lifting mechanism comprises a truss, the truss is arranged below the bridge along the width direction of the bridge, two ends of the truss are connected to cantilever arms of the travelling mechanism through connecting ropes, a lifting driving mechanism is arranged on the truss, and the lifting driving mechanism tightens or releases the connecting ropes to lift the truss;
the floating mechanism comprises a floating platform, and a truss limiting frame matched with the lower end of the truss in shape is arranged on the floating platform.
Preferably, the vehicle body is of a frame-shaped structure with a downward opening, the left side wall and the right side wall of the vehicle body are respectively connected to the walking track, the cantilever arm extends from the bridge deck outer side of the side wall at one side, and at least one side of the vehicle body, which is far away from the cantilever arm, is provided with the configuration block.
Preferably, an additional weight frame is provided at a lower portion of a side of the vehicle body remote from the boom.
Preferably, the truss is a triangular truss, lifting supports are respectively arranged at two ends of the triangular truss, the lifting driving mechanism is arranged on the lifting supports, and the connecting cable is coupled with the lifting driving mechanism.
Preferably, the floating platform comprises a plurality of empty oil barrels, the same empty oil barrels are connected through transverse connecting pipes, and a plurality of rows of empty oil barrels are connected through longitudinal connecting pipes.
By adopting the scheme, the lifting mechanism is driven by the travelling mechanism to move to the construction position along the bridge deck, the truss can be lifted to the preset position by the lifting driving mechanism, the travelling mechanism and the lifting mechanism are simple in structure, and the basic functions of bridge inspection vehicles in the prior art can be realized. The floating mechanism is arranged to carry the truss to a preset position on the water surface and then is assembled with the travelling mechanism according to the specific application scene of the underwater bridge support, the water surface transportation condition is fully utilized, and the carrying is relatively simple.
Drawings
FIG. 1 is a schematic view of the structure of the present utility model (floating mechanism not shown);
FIG. 2 is a schematic view of a walking mechanism and a lifting mechanism at another angle;
FIG. 3 is a schematic diagram of the structure of the running mechanism;
FIG. 4 is a schematic side view of a walking mechanism;
FIG. 5 is a schematic diagram of the top structure of the running gear;
FIG. 6 is a schematic view of a connection structure of a lifting bracket and a truss;
FIG. 7 is a schematic view of the structure of FIG. 6 at another angle;
FIG. 8 is a schematic structural view of a floating mechanism;
fig. 9 is a schematic view of another angle structure of fig. 8.
Reference numerals:
the device comprises a travelling mechanism 1, a travelling rail 11, a vehicle body 12, an additional weight frame 121, a weight block 122, a travelling driving mechanism 123, a cantilever arm 13, a lifting mechanism 2, a truss 21, a protective fence 211, a connecting rope 22, a lifting mechanism 23, a lifting driving mechanism 24, a floating mechanism 3, an empty oil drum 31, a transverse connecting pipe 32, a longitudinal connecting pipe 33 and a truss limiting frame 34.
Detailed Description
Embodiments of the present utility model are described in detail below.
As shown in fig. 1-2, the present embodiment provides a replacing system for a bridge support in water, which comprises a travelling mechanism 1, a lifting mechanism 232 and a floating mechanism 3, wherein the lifting mechanism 232 comprises a truss 21, the travelling mechanism 1 and the lifting mechanism 232 are connected through a connecting cable 22 such as a steel wire rope, the lifting mechanism 232 is driven to move to a required position along a bridge deck, and a lifting driving device in the lifting mechanism 232 can realize lifting of the truss 21 by tightening or loosening a traction cable, so that the truss 21 can move in the front-back direction and the lifting direction. The floating mechanism 3 is arranged on the water surface in a floating way to carry the lifting mechanism 232, so that construction aiming at the specific application scene of the underwater bridge support is realized.
Referring to fig. 3-5, the travelling mechanism 1 includes a travelling rail 11, a vehicle body 12 and a cantilever arm 13, the travelling rail 11 is laid on a bridge deck, the vehicle body 12 is slidably disposed on the travelling rail 11, a travelling driving mechanism 123 for driving the vehicle body 12 to move along the travelling rail 11 is disposed on the vehicle body 12, in an embodiment, wheels are disposed at the bottom of the vehicle body 12 and are cooperatively connected with the travelling rail 11, the travelling driving mechanism 123 may be a driving motor, and the driving motor drives the wheels to rotate so as to move along the travelling rail 11. The cantilever arm 13 is provided on the vehicle body 12 and extends to the outside of the deck so that the front end of the cantilever arm 13 can extend out of the deck to connect with the lifting mechanism 232 below the deck.
In this embodiment, as shown in fig. 3-5, the vehicle body 12 has a frame structure that is opened downward, and the left and right side walls of the vehicle body 12 are respectively connected to the running rails 11. The car body 12 is arranged in a frame-shaped structure, and the left and right side walls of the car body 12 are respectively connected to a group of walking rails 11, so that the car body 12 can move forward more stably. The cantilever arm 13 extends from the outer side of the bridge deck of the side wall at one side, and in order to balance the stress of the cantilever arm 13, at least one side of the vehicle body 12 away from the cantilever arm 13 is provided with a configuration block so as to balance the stress of the cantilever arm 13 to keep the vehicle stable. As a preferred embodiment, an additional weight frame 121 is provided at a lower portion of a side of the vehicle body 12 remote from the boom 13 to further keep the vehicle body 12 stable. In an embodiment, the side wall of the vehicle body 12 adopts a square steel structure, the counterweight 122 is disposed in the square steel inner groove, and is limited by its own shape, without additionally providing an installation structure for disposing the block. In specific implementation, the balancing weight 122 can be a concrete block, and can be poured on the construction site, so that the carrying cost is reduced.
The lifting mechanism 232 comprises a truss 21, the truss 21 is arranged below the bridge along the width direction of the bridge, two ends of the truss 21 are connected to the cantilever arms 13 of the travelling mechanism 1 through connecting ropes 22, a lifting driving mechanism 24 is arranged on the truss 21, and the lifting driving mechanism 24 tightens or releases the connecting ropes 22 to lift the truss 21. In the embodiment shown in fig. 6-7, the truss 21 is a triangular truss 21, two ends of the triangular truss 21 are respectively provided with a lifting bracket, the lifting driving mechanism 24 is arranged on the lifting bracket, and the connecting cable 22 is coupled with the lifting driving mechanism 24. In the embodiment, because the truss 21 has a large width, during construction, the standard sections of the truss 21 are assembled first, then the number of required standard sections is determined according to the required width, and the selected number of standard sections are assembled by means of connection such as welding. Preferably, a guard rail 211 is provided on the triangular truss 21 to secure safety of workers working thereon.
In an embodiment, the lifting driving mechanism 24 includes a lifting motor and a reel, and the lifting motor drives the reel to rotate the tightening connection cable 22 in one direction to lift the triangular truss 21; the release link 22 is rotated in the other direction to lower the triangular truss 21.
As shown in fig. 8-9, the floating mechanism 3 comprises a floating platform, and truss limiting frames 34 matched with the lower ends of the trusses 21 in shape are arranged on the floating platform. The assembled triangular truss 21 is transported to a specific position by the buoyancy in water through the floating mechanism 3, so that the transportation of the large triangular truss 21 is more labor-saving. In the embodiment, the floating support can be provided by the empty oil drum 31, so that the waste resources are fully utilized, and the cost reduction and the environmental protection are facilitated. In the embodiment, the plurality of empty oil drums 31 are arranged in a plurality of rows and columns, the same empty oil drums 31 are connected by transverse connecting pipes 32, and the plurality of rows of empty oil drums 31 are connected by longitudinal connecting pipes 33, so that relative movement among the plurality of empty oil drums 31 is prevented from influencing the conveying effect. In other embodiments, other mechanisms commonly used to provide buoyancy may be used. In this embodiment, the empty oil drum 31 is completely sealed, the diameter of a single oil drum is 50cm, the length of the drum is 90cm, each unit oil drum is horizontally arranged in 3 rows along the drum length and in 3 x 6 arrays along 6 columns along the drum radial direction, steel pipes are arranged on the periphery of the oil drum and are firmly connected with the oil drum in a welding mode, a binding mode and the like, and the longitudinal steel pipes on the drum side are in double-spliced arrangement. And a wood board is paved on the barrel to serve as a platform board. A floating platform unit can be used for placing two sections of triangular truss 21 standard sections with assembled lengths, and all the platform units are firmly welded through steel pipes to form a complete floating platform meeting the requirements of construction length.
The installation sequence of the underwater bridge support replacement system of this embodiment is as follows: the traveling mechanism 1 is installed at a proper position near the main bridge anti-collision fence, then the assembled lifting mechanism 232 is conveyed to the position right below the traveling mechanism 1 by means of the floating mechanism 3, the traveling mechanism 1 and the lifting mechanism 232 are connected through a steel wire rope, the steel wire rope and the pulley are matched to drive the lifting mechanism to lift, and the lifting driving mechanism 24 is started to lift the triangular truss 21 in place. After lifting the truss 21 into place, the truss 21 is structurally consolidated with the cantilever arm 13 by means of the pins. A cage ladder is installed, and the upper end of the ladder is fixed with the walking mechanism 1 and the lower end is fixed with the lifting mechanism 232. The support replacement personnel replace the underwater bridge pier support up and down through the ladder cage. It should be noted that, the driving mechanism in the present utility model may be controlled by an electric control mechanism.
Therefore, the construction of the underwater pier support can be realized through the structure.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (5)
1. The underwater bridge support replacing system is characterized by comprising a travelling mechanism, a lifting mechanism and a floating mechanism;
the travelling mechanism comprises a travelling rail, a vehicle body and a cantilever arm, wherein the travelling rail is laid on the bridge deck, the vehicle body is arranged on the travelling rail in a sliding manner, the vehicle body is provided with a travelling driving mechanism for driving the vehicle body to move along the travelling rail, and the cantilever arm is arranged on the vehicle body and extends to the outer side of the bridge deck;
the lifting mechanism comprises a truss, the truss is arranged below the bridge along the width direction of the bridge, two ends of the truss are connected to cantilever arms of the travelling mechanism through connecting ropes, a lifting driving mechanism is arranged on the truss, and the lifting driving mechanism tightens or releases the connecting ropes to lift the truss;
the floating mechanism comprises a floating platform, and a truss limiting frame matched with the lower end of the truss in shape is arranged on the floating platform.
2. The underwater bridge support replacement system of claim 1 wherein the body is in a downwardly open frame configuration, the left and right side walls of the body are respectively connected to the travel rails, the cantilever arms extend from the outer sides of the bridge deck on one side of the side walls, and the configuration blocks are provided on at least one side of the body remote from the cantilever arms.
3. A system for replacing a bridge support in water according to claim 2, wherein an additional weight is provided at a lower portion of a side of the body remote from the cantilever arm.
4. The underwater bridge support replacement system of claim 1 wherein the truss is a triangular truss, lifting brackets are respectively arranged at two ends of the triangular truss, the lifting drive mechanism is arranged on the lifting brackets, and the connecting cable is coupled with the lifting drive mechanism.
5. The aquatic bridge support replacement system of claim 1, wherein the floating platform comprises a plurality of empty oil drums connected by transverse connecting pipes and a plurality of rows of empty oil drums connected by longitudinal connecting pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321232931.5U CN219992249U (en) | 2023-05-18 | 2023-05-18 | Aquatic bridge support replacement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321232931.5U CN219992249U (en) | 2023-05-18 | 2023-05-18 | Aquatic bridge support replacement system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219992249U true CN219992249U (en) | 2023-11-10 |
Family
ID=88606779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321232931.5U Active CN219992249U (en) | 2023-05-18 | 2023-05-18 | Aquatic bridge support replacement system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219992249U (en) |
-
2023
- 2023-05-18 CN CN202321232931.5U patent/CN219992249U/en active Active
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