CN221118531U - Permanent anti-collision cofferdam for construction of water area bridge pier - Google Patents
Permanent anti-collision cofferdam for construction of water area bridge pier Download PDFInfo
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- CN221118531U CN221118531U CN202322856723.9U CN202322856723U CN221118531U CN 221118531 U CN221118531 U CN 221118531U CN 202322856723 U CN202322856723 U CN 202322856723U CN 221118531 U CN221118531 U CN 221118531U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 61
- 238000010276 construction Methods 0.000 title claims abstract description 37
- 230000007246 mechanism Effects 0.000 claims abstract description 49
- 229910000831 Steel Inorganic materials 0.000 claims description 45
- 239000010959 steel Substances 0.000 claims description 45
- 230000000712 assembly Effects 0.000 claims description 19
- 238000000429 assembly Methods 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 6
- 239000011358 absorbing material Substances 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 239000003643 water by type Substances 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 11
- 238000012423 maintenance Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 7
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- 230000002035 prolonged effect Effects 0.000 description 4
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- 238000005096 rolling process Methods 0.000 description 3
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
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- 238000012986 modification Methods 0.000 description 1
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Abstract
The application relates to a permanent anti-collision cofferdam for water area pier construction, which belongs to the technical field of bridge cofferdams, and comprises a cofferdam mechanism, wherein the cofferdam mechanism surrounds the periphery of a pier, the cofferdam mechanism comprises straight cofferdam components arranged on two sides of the pier and side end cofferdam components arranged on two sides of the straight cofferdam components, and an anti-collision mechanism surrounds the periphery of the cofferdam mechanism, and the anti-collision mechanism comprises straight anti-collision components respectively arranged on one side of the two straight cofferdam components far away from the pier and side end anti-collision components arranged on two sides of the straight anti-collision components; according to the application, the anti-collision mechanism and the cofferdam mechanism are of modularized structures, and when any anti-collision mechanism and cofferdam mechanism are damaged or need to be replaced, the anti-collision mechanism and the cofferdam mechanism can be detached and replaced at will, so that the maintenance and installation efficiency is improved.
Description
Technical Field
The application relates to the technical field of bridge cofferdams, in particular to a permanent anti-collision cofferdam for water area pier construction.
Background
The bridge pier is an important foundation of the bridge, is an important guarantee of bridge structural stability, bridge traveling safety and bridge channel safety under the bridge, the existing bridge comprises the bridge pier, a bearing platform, a water diversion tip and back cover concrete, necessary measures are required for maintenance, reinforcement and collision prevention of the bridge pier, the bridge pier can generate diseases no matter bearing bridge traveling load or bridge under-bridge water flow flushing and ship collision, and therefore bridge pier disease maintenance and bridge pier collision prevention measures are required to be enhanced.
On the one hand, the construction of the water area pier needs a cofferdam to provide a dry working environment, and meanwhile, necessary anti-collision facilities are added to the water area pier, cofferdam and anti-collision facilities are added in the prior art, construction is complex, engineering quantity is increased, construction period is prolonged, investment is increased, and replacement and dismantling costs are high and long time are caused when the cofferdam is damaged.
Disclosure of Invention
The embodiment of the application provides a permanent anti-collision cofferdam for water area pier construction, which aims to solve the problems of low installation, dismounting and replacement efficiency, high cost and long time of the existing anti-collision cofferdam in the related technology.
The embodiment of the application provides a permanent anti-collision cofferdam for water area pier construction, which comprises the following components:
The cofferdam mechanism surrounds the periphery of the bridge pier and comprises straight cofferdam components arranged on two sides of the bridge pier and side cofferdam components arranged on two sides of the straight cofferdam components;
The anti-collision mechanism is arranged on the periphery of the cofferdam mechanism in a surrounding mode and comprises straight anti-collision assemblies respectively arranged on one sides of the two straight cofferdam assemblies far away from the bridge pier and side end anti-collision assemblies arranged on two sides of the straight anti-collision assemblies;
the straight anti-collision assembly comprises a straight roller element and a straight steel string guard arranged on the outer side of the straight roller element;
The side end anti-collision assembly comprises a side end roller element, a side end steel string, an auxiliary string and a buffer box, wherein the side end steel string is arranged on the outer side of the side end roller element.
In some embodiments, the straight cofferdam assembly comprises straight bottom sections and straight top sections;
the straight-shaped weir bottom section is connected with the straight-shaped weir top section through bolts.
In some embodiments, the side end cofferdam assembly comprises a side end cofferdam bottom section and a side end cofferdam top section;
the side end cofferdam bottom joint and the side end cofferdam top joint are connected through bolts;
The side end cofferdam component is arc-shaped;
the side end cofferdam assembly and the straight cofferdam assembly can form an annular shape surrounding the bridge pier.
In some embodiments, the straight-shaped weir bottom sections and the side end weir bottom sections are provided with anti-anchor structures;
the counter-anchor structure may be anchored in the back cover concrete.
In some embodiments, the number of the straight roller elements is several, and the number of the straight steel guard strings is several;
Three straight steel guard strings in each group are divided into an upper layer, a middle layer and a lower layer;
the straight roller elements are arranged between every two adjacent layers of straight steel guard strings.
In some embodiments, the lateral end roller elements are provided in a plurality, and the lateral end steel guard strings are provided in a plurality;
Three side end steel guard strings in each group are divided into an upper layer, a middle layer and a lower layer;
The side end roller elements are arranged between every two adjacent layers of side end steel guard strings and are positioned at two sides of the auxiliary guard strings;
The side end steel guard strings are arc-shaped.
In some embodiments, the auxiliary strings are a plurality of, and the auxiliary strings are made of composite materials;
The auxiliary strings are arranged between every two adjacent layers of side end steel strings.
In some embodiments, the number of the buffer boxes is several, and the several buffer boxes are arranged between the side end collision avoidance assembly and the side end cofferdam assembly;
The buffer box is made of high polymer buffer energy-absorbing materials.
In some embodiments, also include
The support assembly comprises a support rod arranged between two straight cofferdam assemblies, pier struts arranged between the piers and the straight cofferdam assemblies, force transmission struts arranged between every two piers arranged in parallel, and a first water diversion tip strut and a second water diversion tip strut arranged between the side cofferdam assemblies and the water diversion tips.
In some embodiments, the support bars are bolted to the straight cofferdam assembly;
one end of the bridge pier supporting rod is connected with the bridge pier through a planted rib, and the other end of the bridge pier supporting rod is connected with the straight-shaped cofferdam top section through a bolt;
The two ends of the force transmission supporting rod are connected with the bridge pier through bolts;
One end of the first water diversion point supporting rod and one end of the second water diversion point supporting rod are connected with the side cofferdam top joint through bolts, and the other end of the first water diversion point supporting rod and the other end of the second water diversion point supporting rod are connected with the water diversion point through threads.
The embodiment of the application provides a permanent anti-collision cofferdam for water area pier construction, which is characterized in that a straight-shaped weir bottom section, a straight-shaped weir top section, a side end cofferdam bottom section and a side end cofferdam top section are modularized workpieces, so that the permanent anti-collision cofferdam can be permanently used, corresponding modules only need to be replaced after damage, the permanent anti-collision cofferdam is manufactured and processed in a factory, then directly assembled on a construction site, a cofferdam mechanism assembled on the shore through a tugboat is floated to a construction part, then positioning and sinking are prepared, then back cover concrete is poured, an anti-anchor structure is anchored in the back cover concrete after pouring is finished, when any one structural member of the straight-shaped weir bottom section, the straight-shaped weir top section, the side end cofferdam bottom section and the side end cofferdam top section is damaged, maintenance can be realized through replacement of a single structural member, the permanent anti-collision cofferdam can be independently disassembled and replaced only by manually matching with a small-sized floating crane, the whole integrated cofferdam structure cannot be replaced after damage is avoided, and the cofferdam is installed in water, the operation is difficult, and the installation efficiency is low.
And can combine with crashproof mechanism, receive the collision time by crashproof mechanism first energy-absorbing, then pass through the back anchor structure by cofferdam mechanism and give back cover concrete and bridge substructure with the load transfer, reduce the harm to the pier, in the waters channel project to the time limit for a project short in construction time, permanent crashproof cofferdam because its cost is low, can compromise crashproof and construction again simultaneously, improve the efficiency of construction, avoided the expense of secondary installation crashproof facility simultaneously.
When the front is in collision, the direction of the collided object is changed along with the rolling of the roller through the straight roller element, and the collided object can slide towards the side, so that the direct forced collision is avoided, the collision force is reduced, and the service life of the anti-collision mechanism is prolonged.
In the event of a side end collision, in addition to the change of the collision direction by the side end roller elements, the collision impact force can be absorbed by the buffer box, the impact is reduced, and the side end steel guard string is reinforced by the auxiliary guard string.
And the straight anti-collision assembly and the side anti-collision assembly are also of modularized structures, and when any one anti-collision assembly and the side anti-collision assembly are damaged or need to be replaced, the anti-collision assembly can be detached and replaced at will, so that the maintenance and installation efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic top view of a structure provided in the construction of an embodiment of the present application;
FIG. 2 is a schematic diagram of a front view structure provided in the construction of an embodiment of the present application;
FIG. 3 is a schematic side view of a structure provided in the construction of an embodiment of the present application;
FIG. 4 is a schematic top view of the construction of the embodiment of the present application;
FIG. 5 is a schematic view of the structure provided by the straight-shaped weir crest sections in an embodiment of the present application;
FIG. 6 is a schematic view of the structure provided by the straight-shaped weir bottom section in an embodiment of the present application;
FIG. 7 is a schematic view of a structure provided by a side end cofferdam top node in an embodiment of the present application;
FIG. 8 is a schematic view of a structure provided by a bottom section of a side end cofferdam in an embodiment of the present application;
FIG. 9 is a schematic view of a side end cofferdam assembly in accordance with an embodiment of the present application;
fig. 10 is a schematic front view of a straight bumper assembly according to an embodiment of the present application;
FIG. 11 is a schematic side view of a straight bumper assembly according to an embodiment of the present application;
fig. 12 is a schematic structural view of a side end collision avoidance assembly according to an embodiment of the present application.
11. Bridge piers; 12. bearing platform; 13. a water diversion tip; 14. sealing bottom concrete; 2. a cofferdam mechanism; 21. a straight cofferdam assembly; 211. straight-shaped weir bottom sections; 212. straight-shaped weir crest sections; 22. a side end cofferdam assembly; 221. a side end cofferdam bottom joint; 222. a side end cofferdam top section; 24. a reverse anchor structure; 3. an anti-collision mechanism; 31. a straight anti-collision assembly; 311. a straight roller element; 312. straight steel guard string; 32. a side end collision avoidance assembly; 321. a side roller element; 322. side end steel guard strings; 323. auxiliary string protection; 324. a buffer tank; 4. a support assembly; 41. a support rod; 42. bridge pier struts; 43. a force transmission strut; 44. a second water diversion point support rod; 45. a first water diversion point supporting rod.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The embodiment of the application provides a permanent anti-collision cofferdam for water area pier construction, which can solve the problems of low installation, dismounting and replacement efficiency, high cost and long time of the existing anti-collision cofferdam.
Referring to fig. 1-12, an embodiment of the present application provides a permanent anti-collision cofferdam for construction of a water area pier, comprising:
The cofferdam mechanism 2, the anti-collision mechanism 3, two bearing platforms 12, bridge piers 11 arranged on the bearing platforms 12, water diversion points 13 arranged on one side of the bearing platforms 12 and bottom sealing concrete 14.
Wherein, cofferdam mechanism 2 encircles the week side at pier 11, and cofferdam mechanism 2 includes the straight cofferdam subassembly 21 that sets up in pier 11 both sides and sets up the side cofferdam subassembly 22 in straight cofferdam subassembly 21 both sides.
The two straight cofferdam assemblies 21 are parallel and are correspondingly arranged at intervals, the left side and the right side of each straight cofferdam assembly 21 are respectively provided with a side end cofferdam assembly 22, and the side end cofferdam assemblies are connected with each other through bolts to form a ring shape around the bridge pier 11.
Wherein, anticollision institution 3 encircles and sets up in the week side of cofferdam subassembly, and the anticollision subassembly is including setting up respectively in the straight anticollision subassembly 31 of two straight cofferdam subassemblies 21 from pier 11 one side and setting up in the side anticollision subassembly 32 of straight anticollision subassembly 31 both sides.
The straight anti-collision assembly 31 and the side end anti-collision assembly 32 are connected through bolts.
The straight anti-collision assembly 31 comprises a straight roller element 311 and a straight steel guard string 312 arranged outside the straight roller element 311.
The side end collision avoidance assembly 32 includes a side end roller element 321, a side end steel guard string 322 disposed outside the side end roller element 321, an auxiliary guard string 323, and a buffer box 324.
When the front and the side collide, the straight roller element 311 and the side roller element 321 enable the collided object to move along with the sliding of the rollers, so that the impact of the collided object is changed into a lateral direction from the front, the impact is reduced, meanwhile, the front impact of the collided object is avoided, the impact direction can be changed, and the stress is reduced.
In some alternative embodiments, as shown in figures 1-3 and 5-9, straight weir assembly 21 includes straight bottom sections 211 and straight top sections 212, with bolted connections between straight bottom sections 211 and straight top sections 212.
In this embodiment, the side end cofferdam assembly 22 includes a side end cofferdam bottom joint 221 and a side end cofferdam top joint 222, the side end cofferdam bottom joint 221 and the side end cofferdam top joint 222 are connected by bolts, the side end cofferdam assembly 22 is arc-shaped, and the side end cofferdam assembly 22 and the straight cofferdam assembly 21 can form a ring shape surrounding the bridge pier 11.
The assembling of the straight-shaped weir bottom sections 211 and the straight-shaped weir top sections 212 can be completed, the sides of the straight-shaped sections in the cofferdam mechanism 2 are assembled, two groups of straight-shaped sections are respectively positioned on two sides of the bridge pier 11, then the arc-shaped side-end cofferdam top sections 222 and the side-end weir bottom sections 221 form the arc shape of the side surfaces in the cofferdam mechanism 2, and then the side-end cofferdam assembly 22 and the straight-shaped cofferdam assembly 21 are connected through bolts to form the cofferdam mechanism 2.
In this embodiment, the straight-shaped weir bottom sections 211 and the side end weir bottom sections 221 are provided with the counter-anchor structures 24, and the counter-anchor structures 24 are anchored in the back cover concrete 14.
The straight-shaped cofferdam bottom section 211, the straight-shaped cofferdam top section 212, the side end cofferdam bottom section 221 and the side end cofferdam top section 222 are modularized workpieces, so that the combined cofferdam can be permanently used, corresponding modules are only required to be replaced after damage, the combined cofferdam is manufactured and processed in a factory, then is directly assembled on a construction site, is floated to a construction position by a tug on the bank, is ready for positioning and sinking, then is poured into the back cover concrete 14, and is anchored in the back cover concrete 14 by an anti-anchor structure 24 after pouring is finished, when any one of the straight-shaped cofferdam bottom section 211, the straight-shaped cofferdam top section 212, the side end cofferdam bottom section 221 and the side end cofferdam top section 222 is damaged, maintenance can be realized through replacement of a single structural member, the combined small-sized floating crane can be independently disassembled, the integral cofferdam structure is avoided, the combined cofferdam cannot be replaced after damage, and the combined cofferdam cannot be installed in water when being installed, the operation is difficult, and the installation efficiency is low.
And can combine with anticollision institution 3, receive the collision time and absorb energy by anticollision institution 3 first, then transmit the load to back cover concrete 14 and bridge substructure through anti-anchor structure 24 by cofferdam mechanism 2 again, reduce the harm to pier 11, in the waters channel project that the tight engineering time of time limit for a project is short, permanent anticollision cofferdam because of its cost is low, can compromise anticollision and construction again simultaneously, improves the efficiency of construction, avoided the expense of secondary installation anticollision facility simultaneously.
In some alternative embodiments, referring to fig. 1-3 and fig. 10-12, there are several straight roller elements 311, several straight steel guard strings 312, three of the several straight steel guard strings 312 are grouped, three straight steel guard strings 312 in each group are divided into upper, middle and lower three layers, and several straight roller elements 311 are disposed between each two adjacent straight steel guard strings 312.
In this embodiment, the number of the side roller elements 321 is several, the number of the side steel guard strings 322 is several, each three of the side steel guard strings 322 is a group, the three side steel guard strings 322 in each group are divided into upper, middle and lower three layers, the side roller elements 321 are disposed between each two adjacent layers of side steel guard strings 322 and are located at two sides of the auxiliary guard strings 323, and the side steel guard strings 322 are arc-shaped.
In this embodiment, the auxiliary strings 323 are a plurality of composite materials, and the auxiliary strings 323 are disposed between each two layers of side steel strings 322.
In this embodiment, the buffer boxes 324 are several, and several buffer boxes 324 are disposed between the side end collision avoidance assembly 32 and the side end cofferdam assembly 22, and the buffer boxes 324 are polymer buffer energy absorbing materials.
Firstly, each three straight steel guard strings 312 are divided into an upper layer, a middle layer and a lower layer, a plurality of straight roller elements 311 are embedded between each two layers, so that a straight anti-collision assembly 31 can be formed, two straight anti-collision assemblies 31 are respectively positioned on two sides of a pier 11, which are close to a straight cofferdam assembly 21, and are in bolt connection with the straight cofferdam assembly 21, then the same three side end steel guard strings 322 are divided into the upper layer, the middle layer and the lower layer, then auxiliary guard strings 323 are fixed between every two adjacent layers of side end steel guard strings 322 and are positioned at arc tops of the arc shapes of the side end steel guard strings 322, and then a plurality of side end roller elements 321 are respectively embedded on two sides of the auxiliary guard strings 323, so that the side end anti-collision assembly 32 can be assembled.
And then the side end anti-collision assembly 32 and the buffer box 324 are installed together, then the side end anti-collision assembly 32 is connected with the straight anti-collision assembly 31 by bolts with the buffer box 324, and finally the other end of the buffer box 324 and the side end cofferdam assembly 22 are installed together, so that the assembly of the cofferdam mechanism 2 and the anti-collision mechanism 3 can be completed.
When the front collision is met, the direction of the collided object is changed along with the rolling of the roller wheels through the straight roller wheel element 311, the collided object can slide towards the side, the direct stress collision is avoided, the collision force is reduced, and the service life of the anti-collision mechanism 3 is prolonged.
In the event of a side end collision, in addition to changing the collision direction by the side end roller member 321, the collision impact force can be absorbed by the buffer box 324, the impact can be reduced, and the side end steel guard wire 322 can be reinforced by the auxiliary guard wire 323.
And the straight anticollision assembly 31 and the side anticollision assembly 32 are also in a modularized structure, and when any one of the straight anticollision assembly 31 and the side anticollision assembly 32 is damaged or needs to be replaced, the straight anticollision assembly can be detached and replaced at will, so that the maintenance and installation efficiency is improved.
In some alternative embodiments, as shown with reference to FIGS. 1-4, further comprising
The support assembly 4, the support assembly 4 includes a support bar 41 arranged between two straight cofferdam assemblies 21, a bridge pier support bar 42 arranged between the bridge piers 11 and the straight cofferdam assemblies 21, a force transmission support bar 43 arranged between every two parallel arranged bridge piers 11, and a first water diversion point support bar 45 and a second water diversion point support bar 44 arranged between the side cofferdam assemblies 22 and the water diversion points 13.
In the embodiment, the supporting rods 41 are connected with the straight cofferdam assembly 21 through bolts;
One end of the bridge pier support rod 42 is connected with the bridge pier 11 through a planted rib, and the other end is connected with the straight-shaped weir crest section 212 through a bolt;
Two ends of the force transmission strut 43 are connected with the bridge pier 11 through bolts;
One end of the first water diversion point supporting rod 45 and one end of the second water diversion point supporting rod 44 are connected with a side end cofferdam top joint 222 through bolts, and the other end of the first water diversion point supporting rod and the other end of the second water diversion point supporting rod are connected with the water diversion point 13 through threads.
After the cofferdam mechanism 2 is installed, the supporting component 4 is required to be installed firstly, then the anti-collision mechanism 3 is installed, and when the supporting component 4 is installed, as shown in fig. 1, the supporting rods 41 are arranged at the gap between the left bridge pier 11 and the right bridge pier 11, two ends of the supporting rods 41 are respectively connected with the straight-shaped cofferdam top sections 212 of the two straight-shaped cofferdam assemblies 21 through bolts, the supporting rods 41 support the middle position of the whole structure, then the bridge pier support rods 42 are arranged between the bridge piers 11 and the straight-shaped cofferdam top sections 212, one ends of the bridge pier support rods 42 are connected with the bridge piers 11 through planting bars, the other ends of the bridge pier support rods 42 are connected with the straight-shaped cofferdam top sections 212 through bolts, then the first water diversion point support rods 45 are arranged between the head of the water diversion point 13 and the arc tops of the side cofferdam assemblies 22 to serve as supports, and finally two second water diversion point support rods 44 are respectively arranged at two sides of the first water diversion point support rods 45, so that the side cofferdam assemblies 22 can be completely supported.
After the installation of the anti-collision mechanism 3, the cofferdam mechanism 2 and the supporting component 4 is completed, as shown in fig. 4, all supporting structures except the supporting rods 41 in the supporting component 4 are removed, and the internal and external water head difference is balanced by opening the connecting holes, so that the anti-collision cofferdam facility serving as the bridge pier 11 can be permanently reserved.
The working principle and the working process of the application are as follows:
The straight-shaped cofferdam bottom section 211, the straight-shaped cofferdam top section 212, the side end cofferdam bottom section 221 and the side end cofferdam top section 222 are modularized workpieces, so that the combined cofferdam can be permanently used, corresponding modules are only required to be replaced after damage, the combined cofferdam is manufactured and processed in a factory, then is directly assembled on a construction site, is floated to a construction position by a tug on the bank, is ready for positioning and sinking, then is poured into the back cover concrete 14, and is anchored in the back cover concrete 14 by an anti-anchor structure 24 after pouring is finished, when any one of the straight-shaped cofferdam bottom section 211, the straight-shaped cofferdam top section 212, the side end cofferdam bottom section 221 and the side end cofferdam top section 222 is damaged, maintenance can be realized through replacement of a single structural member, the combined small-sized floating crane can be independently disassembled, the integral cofferdam structure is avoided, the combined cofferdam cannot be replaced after damage, and the combined cofferdam cannot be installed in water when being installed, the operation is difficult, and the installation efficiency is low.
After the cofferdam mechanism 2 is installed, the supporting component 4 is required to be installed firstly, then the anti-collision mechanism 3 is installed, when the supporting component 4 is installed, the supporting rods 41 are arranged at the gap between the left bridge pier 11 and the right bridge pier 11, two ends of the supporting rods 41 are respectively connected with the straight cofferdam top sections 212 of the two straight cofferdam components 21 through bolts, the supporting rods 41 are used for supporting the middle position of the whole structure, then the bridge pier support rods 42 are installed between the bridge piers 11 and the straight cofferdam top sections 212, one ends of the bridge pier support rods 42 are connected with the bridge piers 11 through planting ribs, the other ends of the bridge pier support rods 42 are connected with the straight cofferdam top sections 212 through bolts, then the first water diversion point support rods 45 are installed between the heads of the water diversion points 13 and the arc tops of the side cofferdam components 22 to serve as supports, and finally the second water diversion point support rods 44 are respectively arranged at two sides of the first water diversion point support rods 45, so that the side cofferdam components 22 can be completely supported.
Then, each three straight steel guard strings 312 are divided into an upper layer, a middle layer and a lower layer, a plurality of straight roller elements 311 are embedded between each two layers, so that the straight anti-collision assembly 31 can be formed, two straight anti-collision assemblies 31 are respectively positioned on two sides of the bridge pier 11, which are close to the straight cofferdam assembly 21, and are connected with the straight cofferdam assembly 21 through bolts, then the same three side end steel guard strings 322 are divided into the upper layer, the middle layer and the lower layer, then the auxiliary guard strings 323 are fixed between every two adjacent layers of side end steel guard strings 322, the arc of the side end steel guard strings 322 is ejected, and then the plurality of side end roller elements 321 are respectively embedded on two sides of the auxiliary guard strings 323, so that the side end anti-collision assembly 32 can be assembled.
Then, the side end collision avoidance assembly 32 is installed with the buffer box 324, then the side end collision avoidance assembly 32 is connected with the straight collision avoidance assembly 31 by bolts with the buffer box 324, and finally the other end of the buffer box 324 is installed with the side end cofferdam assembly 22, thus the assembly of the cofferdam mechanism 2 and the collision avoidance mechanism 3 can be completed.
When the front collision is met, the direction of the collided object is changed along with the rolling of the roller wheels through the straight roller wheel element 311, the collided object can slide towards the side, the direct stress collision is avoided, the collision force is reduced, and the service life of the anti-collision mechanism 3 is prolonged.
In the description of the present application, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present application and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present application. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication 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 according to the specific circumstances.
It should be 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. Moreover, 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 one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing is only a specific embodiment of the application to enable those skilled in the art to understand or practice the 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. The utility model provides a waters pier construction is with permanent crashproof cofferdam which characterized in that includes:
The cofferdam mechanism (2), the cofferdam mechanism (2) surrounds the periphery of the bridge pier (11), and the cofferdam mechanism (2) comprises straight cofferdam components (21) arranged at two sides of the bridge pier (11) and side cofferdam components (22) arranged at two sides of the straight cofferdam components (21);
The anti-collision mechanism (3), the anti-collision mechanism (3) is arranged around the periphery of the cofferdam mechanism (2), and the anti-collision mechanism (3) comprises a straight anti-collision assembly (31) arranged on one side of the two straight cofferdam assemblies (21) away from the bridge pier (11) and side anti-collision assemblies (32) arranged on two sides of the straight anti-collision assembly (31);
The straight anti-collision assembly (31) comprises a straight roller element (311) and a straight steel guard string (312) arranged on the outer side of the straight roller element (311);
The side end anti-collision assembly (32) comprises a side end roller element (321), a side end steel guard string (322) arranged on the outer side of the side end roller element (321), an auxiliary guard string (323) and a buffer box (324).
2. The permanent anti-collision cofferdam for water pier construction of claim 1, wherein:
The straight cofferdam assembly (21) comprises straight cofferdam bottom sections (211) and straight cofferdam top sections (212);
The straight-shaped weir bottom section (211) is connected with the straight-shaped weir top section (212) through bolts.
3. The permanent anti-collision cofferdam for water pier construction of claim 2, wherein:
The side end cofferdam assembly (22) comprises a side end cofferdam bottom joint (221) and a side end cofferdam top joint (222);
The side end cofferdam bottom joint (221) and the side end cofferdam top joint (222) are connected through bolts;
The side end cofferdam assembly (22) is arc-shaped;
The side cofferdam assembly (22) and the straight cofferdam assembly (21) can form a ring shape surrounding the bridge pier (11).
4. A permanent anti-collision cofferdam for construction of a water pier as claimed in claim 3, wherein:
The straight-shaped cofferdam bottom section (211) and the side cofferdam bottom section (221) are respectively provided with a reverse anchor structure (24);
the counter-anchor structure (24) is anchored in the back-cover concrete (14).
5. The permanent anti-collision cofferdam for water pier construction of claim 1, wherein:
the number of the straight roller elements (311) is several, and the number of the straight steel guard strings (312) is several;
Three straight steel guard strings (312) in each group are divided into an upper layer, a middle layer and a lower layer;
The plurality of straight roller elements (311) are arranged between every two adjacent layers of straight steel guard strings (312).
6. The permanent anti-collision cofferdam for water pier construction of claim 5, wherein:
The side end roller elements (321) are provided with a plurality of side end steel guard strings (322);
Three side end steel guard strings (322) in each group are divided into an upper layer, a middle layer and a lower layer;
The side end roller elements (321) are arranged between every two adjacent layers of side end steel guard strings (322) and are positioned at two sides of the auxiliary guard strings (323);
The side end steel guard string (322) is arc-shaped.
7. The permanent anti-collision cofferdam for water pier construction of claim 6, wherein:
The auxiliary strings (323) are a plurality of, and the auxiliary strings (323) are made of composite materials;
The auxiliary strings (323) are arranged between every two adjacent layers of side end steel strings (322).
8. The permanent anti-collision cofferdam for water pier construction of claim 7, wherein:
The buffer boxes (324) are arranged in a plurality, and the buffer boxes (324) are arranged between the side end anti-collision assembly (32) and the side end cofferdam assembly (22);
the buffer box (324) is made of high polymer buffering energy-absorbing materials.
9. A permanent anti-collision cofferdam for construction of a water pier according to any one of claims 1 to 3, wherein:
and also comprises
The support assembly (4), the support assembly (4) is including setting up bracing piece (41) between two straight cofferdam subassemblies (21), setting up pier branch (42) between pier (11) and straight cofferdam subassembly (21), setting up biography power branch (43) between per two parallel arrangement's pier (11) and setting up first water diversion point branch (45) and second water diversion point branch (44) between side end cofferdam subassembly (22) and water diversion point (13).
10. The permanent anti-collision cofferdam for water pier construction of claim 9, wherein:
the supporting rods (41) are connected with the straight cofferdam assembly (21) through bolts;
One end of the bridge pier supporting rod (42) is connected with the bridge pier (11) through a planted rib, and the other end of the bridge pier supporting rod is connected with the straight-shaped cofferdam top section (212) through a bolt;
The two ends of the force transmission supporting rod (43) are connected with the bridge pier (11) through bolts;
One end of the first water diversion point supporting rod (45) and one end of the second water diversion point supporting rod (44) are connected with a side cofferdam top joint (222) through bolts, and the other end of the first water diversion point supporting rod is connected with the water diversion point (13) through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322856723.9U CN221118531U (en) | 2023-10-24 | 2023-10-24 | Permanent anti-collision cofferdam for construction of water area bridge pier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322856723.9U CN221118531U (en) | 2023-10-24 | 2023-10-24 | Permanent anti-collision cofferdam for construction of water area bridge pier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221118531U true CN221118531U (en) | 2024-06-11 |
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ID=91371258
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322856723.9U Active CN221118531U (en) | 2023-10-24 | 2023-10-24 | Permanent anti-collision cofferdam for construction of water area bridge pier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221118531U (en) |
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2023
- 2023-10-24 CN CN202322856723.9U patent/CN221118531U/en active Active
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