CN113338225A - Overwater foundation column impact damage reduction device based on cold pressing principle and assembling method - Google Patents
Overwater foundation column impact damage reduction device based on cold pressing principle and assembling method Download PDFInfo
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- CN113338225A CN113338225A CN202110649133.1A CN202110649133A CN113338225A CN 113338225 A CN113338225 A CN 113338225A CN 202110649133 A CN202110649133 A CN 202110649133A CN 113338225 A CN113338225 A CN 113338225A
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- 230000006378 damage Effects 0.000 title claims abstract description 29
- 238000003825 pressing Methods 0.000 title claims abstract description 24
- 230000009467 reduction Effects 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 95
- 239000010959 steel Substances 0.000 claims abstract description 95
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 57
- 230000003139 buffering effect Effects 0.000 claims abstract description 17
- 238000005188 flotation Methods 0.000 claims abstract description 6
- 230000002349 favourable effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 9
- 239000004033 plastic Substances 0.000 description 9
- 229920003023 plastic Polymers 0.000 description 9
- 239000000463 material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- CJRQAPHWCGEATR-UHFFFAOYSA-N n-methyl-n-prop-2-ynylbutan-2-amine Chemical compound CCC(C)N(C)CC#C CJRQAPHWCGEATR-UHFFFAOYSA-N 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005267 amalgamation Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/20—Equipment for shipping on coasts, in harbours or on other fixed marine structures, e.g. bollards
- E02B3/26—Fenders
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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
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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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
- E01D2101/00—Material constitution of bridges
- E01D2101/30—Metal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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Abstract
The invention relates to an overwater foundation column impact damage reduction device based on a cold pressing principle and an assembling method, and is characterized in that: the device establishes on the foundation column on water and can float the flotation pontoon on the surface of water and establishes the buffering subassembly that just is located the flotation pontoon top on the foundation column on water including the cover, the buffering subassembly includes first annular buffer layer, second annular buffer layer and is located yielding between first annular buffer layer and the second annular buffer layer and presses the device, attach respectively on first annular buffer layer surface and the second annular buffer layer internal surface and be equipped with first steel deck, second steel deck, let press the device to press and establish between first steel deck and second steel deck. This foundation pillar falls to strike and damages device on water based on principle of colding pressing reasonable in design is favorable to reducing buffer's damage and improving life.
Description
The technical field is as follows:
the invention relates to an overwater foundation column impact damage reduction device based on a cold pressing principle and an assembling method.
Background art:
at present, increasingly more bridges are built in deep water areas, and bridge pile foundations (water foundation columns) are widely applied as the most main foundation type in bridge engineering; the channel often exists between the foundation on water below the bridge floor of many bridges, has many boats and ships to shuttle among them, and boats and ships are in the in-process of navigation, probably take place the impact with foundation on water, lead to foundation on water's structure to receive destruction, and then influence the safety of whole bridge.
The collision of vehicles or ships on the water foundation columns is a main factor causing the damage of the bridge lower structure, generally, although the mass of the vehicles is small compared with that of the ships, the speed of the vehicles is high, the kinetic energy when the vehicles or the ships collide on the water foundation columns is also huge, the normal use and the safety of the whole bridge structure are seriously influenced, and in the design of the anti-collision facility of the water foundation columns, the basic principle is to protect the water foundation columns based on the mechanisms of energy absorption and momentum buffering.
The material selection and the structure design strategy of the existing device are comprehensively considered, and the research on selecting materials mostly takes high-strength materials as research key points, so that the rigidity of the impact object and the rigidity of the protection device tend to be the same level, and therefore the defects that the protection device and the impact object are both damaged or the energy absorption is insufficient are often caused.
The invention content is as follows:
the invention aims at solving the problems in the prior art, namely the invention aims to provide the overwater foundation column impact reduction damage device based on the cold pressing principle and the assembling method.
In order to achieve the purpose, the invention adopts the technical scheme that:
the invention relates to an overwater foundation column impact damage reducing device based on a cold pressing principle, which is characterized in that: establish on the foundation column on water and can float the flotation pontoon on the surface of water and establish the buffering subassembly on the foundation column on water and be located the flotation pontoon top including the cover, buffering subassembly includes first annular buffer layer, second annular buffer layer and is located yielding between first annular buffer layer and the second annular buffer layer and presses the device, attach respectively on first annular buffer layer surface and the second annular buffer layer internal surface and be equipped with first steel deck, second steel deck, let press the device clamp to establish between first steel deck and second steel deck.
Furthermore, the yielding device comprises an outer sleeve arranged on the surface of the first steel plate layer and an inner sleeve which is correspondingly inserted and matched with the outer sleeve and arranged on the surface of the second steel plate layer.
Furthermore, the outer sleeve is a cylindrical tube, an expanding counter bore is formed in the position of the tube opening of the cylindrical tube, and the inner sleeve is cylindrical and is inserted into the expanding counter bore.
Furthermore, the outer sleeve is a cylindrical tube, the opening of the cylindrical tube is a conical opening, the end of the inner sleeve is in a pointed cone shape, the pointed cone end is inserted into the conical opening, and the outer sleeve and the conical surface of the inner sleeve are mutually inserted and matched.
Furthermore, the outer surface of the second annular buffer layer is provided with a fluorescent layer.
Further, the inner surface of the first annular buffer layer is provided with a rubber cushion layer.
Furthermore, the first steel plate layer and the second steel plate layer are formed by hinging two half circular ring bodies, one side edges of the two half circular ring bodies are rotatably hinged with each other, the other side edges of the two half circular ring bodies are mutually communicated and fixed through a detachable plug in an inserting mode, the second steel plate layer and the surface of the second annular buffer layer are mutually pasted and fixed, and the first steel plate layer and the surface of the first annular buffer layer are mutually pasted and fixed.
Furthermore, the first annular buffer layer and the second annular buffer layer are both two annular half bodies which are spliced to form an annular body, and each of the first annular buffer layer and the second annular buffer layer comprises a rubber plate body and a sinking hole passage arranged on the rubber plate body in an array mode.
The invention relates to an assembling method of an overwater foundation column impact damage reducing device based on a cold pressing principle, which is characterized by comprising the following steps of: the overwater foundation column impact damage reducing device based on the cold pressing principle comprises a buoy and a buffer assembly, wherein the buoy is sleeved on the overwater foundation column and can float on the water surface, the buffer assembly is sleeved on the overwater foundation column and is positioned above the buoy, the buffer assembly comprises a first annular buffer layer, a second annular buffer layer and a pressure yielding device positioned between the first annular buffer layer and the second annular buffer layer, a first steel plate layer and a second steel plate layer are respectively attached to the outer surface of the first annular buffer layer and the inner surface of the second annular buffer layer, and the pressure yielding device is clamped between the first steel plate layer and the second steel plate layer; during assembly, the buoy is sleeved on the water foundation column, the first annular buffer layer is sleeved on the water foundation column and located above the buoy, the first steel plate layer with the pressure yielding devices densely distributed on the surface is hooped on the periphery of the first annular buffer layer, the second steel plate layer is hooped on the periphery of the pressure yielding devices, and then the second annular buffer layer is additionally arranged on the surface of the second steel plate layer.
Furthermore, the first steel plate layer and the second steel plate layer are formed by hinging two half circular ring bodies, one side edges of the two half circular ring bodies are mutually rotatably hinged, the other side edges of the two half circular ring bodies are mutually communicated and fixed through a detachable bolt in an inserting way, the second steel plate layer and the surface of the second annular buffer layer are mutually adhered and fixed, and the first steel plate layer and the surface of the first annular buffer layer are mutually adhered and fixed; the first annular buffer layer and the second annular buffer layer are both two annular half bodies which are spliced to form an annular body, and each of the first annular buffer layer and the second annular buffer layer comprises a rubber plate body and a sinking channel arrayed on the rubber plate body; during assembly, the two half circular ring bodies of the first steel plate layer and the second steel plate layer are fixed in an inserting mode through the inserting pins after being embraced.
According to the overwater foundation column impact damage reduction device based on the cold pressing principle, three layers of impact reduction buffering are achieved through the arrangement of the first annular buffer layer, the second annular buffer layer and the pressure yielding device, the buffering effect is greatly improved, the pressure yielding device is inserted and matched through the outer sleeve and the inner sleeve, and the outer sleeve and the inner sleeve are fixed on the steel plate layer, so that the outer sleeve and the inner sleeve are prevented from directly penetrating into the annular buffer layer in a large impact process to cause small local permanent damage of the annular buffer layer, when the outer sleeve and the inner sleeve are fixed on the steel plate layer, the pressure of the outer sleeve and the inner sleeve is also distributed to the whole steel plate layer when the outer sleeve and the inner sleeve are locally impacted, the pressure of the steel plate layer on the annular buffer layer is reduced, and the service life of the buffer layer is prolonged.
Description of the drawings:
FIG. 1 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a second embodiment of the present invention;
fig. 3 is a schematic structural diagram of a yielding device according to a first technical scheme of the invention;
fig. 4 is a schematic structural diagram of a pressure relief device according to a second technical aspect of the present invention;
FIG. 5 is a sectional view taken along line A-A of FIG. 1;
FIG. 6 is a cross-sectional view taken along line B-B of FIG. 1;
FIG. 7 is a cross-sectional view of one embodiment of an annular buffer layer.
The specific implementation mode is as follows:
the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The invention relates to an overwater foundation column impact damage reducing device based on a cold pressing principle, which comprises a buoy 1 which is sleeved on an overwater foundation column 2 and can float on the water surface and a buffer component K which is sleeved on the overwater foundation column and is positioned above the buoy 1, wherein the buoy can be made of foamed plastics and other materials and is formed into a cylindrical ring-shaped body by splicing two cylindrical ring-shaped half bodies, and the two cylindrical ring-shaped half bodies can be detachably connected in a detachable manner; the through holes in the floating barrels are in clearance fit with the water foundation columns.
The buffer component K comprises a first annular buffer layer 5, a second annular buffer layer 6 and a yielding device 10 positioned between the first annular buffer layer and the second annular buffer layer, wherein a first steel plate layer 7 is attached to the outer surface of the first annular buffer layer 5, a second steel plate layer 8 is attached to the inner surface of the second annular buffer layer 6, the yielding device is clamped between the first steel plate layer and the second steel plate layer, the first annular buffer layer 5 and the second annular buffer layer 6 can be made of plastics or plastic solids or hollow bodies, and the first steel plate layer and the second steel plate layer are formed by bending steel plates.
The yielding device 10 comprises an outer sleeve 10a arranged on the surface of the first steel plate layer and an inner sleeve 10b correspondingly matched with the outer sleeve in an inserting way and arranged on the surface of the second steel plate layer, and the outer sleeve and the inner sleeve are coaxially arranged; in one embodiment, the outer sleeve is a cylindrical tube, an expanding counter bore 10c is arranged at the position of the tube opening of the cylindrical tube, and the inner sleeve is cylindrical and is inserted into the expanding counter bore; in one embodiment, the outer sleeve is a cylindrical tube, the opening of the cylindrical tube is a tapered opening 10d, the end of the inner sleeve is in a pointed cone shape, the pointed cone end is inserted into the tapered opening, and the outer sleeve and the inner sleeve are mutually inserted and matched.
The outer sleeve 10a with the structure forms a reducing section and an equal diameter section, the outer diameter of the reducing section is unchanged, and the inner diameter of the reducing section is gradually contracted; the outer diameter and the inner diameter of the constant-diameter section are kept unchanged; the side of the inner sleeve close to the outer sleeve is provided with a necking section which is beneficial to starting plastic deformation of the inner sleeve after contacting with the diameter-variable section of the outer sleeve, so that the inner sleeve is prevented from being stuck, and the inner sleeve and the outer sleeve can be contacted tightly to prevent the inner sleeve from falling off from the outer sleeve due to stress deformation; the length of the inner sleeve is matched with that of the outer sleeve, so that plastic deformation can be fully developed, and the pressure-yielding length is enough.
One side of the inner sleeve pipe, which is close to the outer sleeve pipe, is provided with a necking section, and the necking section is in favor of starting plastic deformation of the inner sleeve pipe after being contacted with a reducing section of the outer sleeve pipe, so that the clamping is prevented, the inner sleeve pipe can be tightly contacted with the outer sleeve pipe, and the inner sleeve pipe is prevented from falling off from the outer sleeve pipe due to stress deformation.
Further, in order to realize light reflection, the outer surface of the second annular buffer layer is provided with a fluorescent layer 4, in order to reduce friction and wear between the first annular buffer layer and the surface of the water foundation column 2, the inner surface of the first annular buffer layer is provided with a rubber cushion layer 3, the rubber cushion layer 3 can be a whole circle or a local section (namely a rubber strip along the length direction of the water foundation column 2 when the local section is in the circumferential direction of the water foundation column 2), the first annular buffer layer and the water foundation column 2 have a large gap, and the rubber cushion layer 3 still has a certain gap with the surface of the water foundation column 2 after the rubber cushion layer 3 is installed.
Furthermore, the first steel plate layer 7 and the second steel plate layer 8 are formed by hinging two half circular ring bodies, one side edges of the two half circular ring bodies are rotatably hinged with each other, so that the two half circular ring bodies can be opened and closed like a hinge, the other side edges of the two half circular ring bodies are mutually communicated and fixed through a detachable bolt in an inserting mode, a cylindrical barrel shape is formed after the two half circular ring bodies are folded and fixed through the bolt in the inserting mode, the second steel plate layer and the surface of the second annular buffer layer are mutually pasted and fixed, the first steel plate layer and the surface of the first annular buffer layer are mutually pasted and fixed, the second steel plate layer and the surface of the second annular buffer layer can be locked and fixed through screws, and the first steel plate layer and the surface of the first annular buffer layer can be locked and fixed through screws.
Above-mentioned first annular buffer layer, second annular buffer layer are two ring shape halfs amalgamation and form the tourus, and first annular buffer layer, second annular buffer layer all include the rubber plate body and array heavy pore canal 11 on the rubber plate body to in manufacturing, through setting up heavy pore canal 11, saved the material, alleviateed the quality of rubber plate body, and when the compression, this heavy pore canal 11 has the effect of better buffering than the solid buffer layer, and the notch of heavy pore canal 11 is the preferred in steel deck one side dorsad.
The invention relates to an assembly method of an overwater foundation column impact reduction damage device based on a cold pressing principle, which comprises a buoy and a buffer assembly, wherein the buoy is sleeved on the overwater foundation column and can float on the water surface, the buffer assembly is sleeved on the overwater foundation column and is positioned above the buoy, the buffer assembly comprises a first annular buffer layer, a second annular buffer layer and a yielding device positioned between the first annular buffer layer and the second annular buffer layer, a first steel plate layer and a second steel plate layer are respectively attached to the outer surface of the first annular buffer layer and the inner surface of the second annular buffer layer, and the yielding device is clamped between the first steel plate layer and the second steel plate layer; during assembly, the buoy is sleeved on the water foundation column, the first annular buffer layer is sleeved on the water foundation column and located above the buoy, the first steel plate layer with the pressure yielding devices densely distributed on the surface is hooped on the periphery of the first annular buffer layer, the second steel plate layer is hooped on the periphery of the pressure yielding devices, and then the second annular buffer layer is additionally arranged on the surface of the second steel plate layer.
Furthermore, the first steel plate layer and the second steel plate layer are formed by hinging two half circular ring bodies, one side edges of the two half circular ring bodies are mutually rotatably hinged, the other side edges of the two half circular ring bodies are mutually communicated and fixed through a detachable bolt in an inserting way, the second steel plate layer and the surface of the second annular buffer layer are mutually adhered and fixed, and the first steel plate layer and the surface of the first annular buffer layer are mutually adhered and fixed; the first annular buffer layer and the second annular buffer layer are both two annular half bodies which are spliced to form an annular body, and each of the first annular buffer layer and the second annular buffer layer comprises a rubber plate body and a sinking channel arrayed on the rubber plate body; during assembly, the two half circular ring bodies of the first steel plate layer and the second steel plate layer are fixed in an inserting mode through the inserting pins after being embraced.
Example 1:
the inner sleeve is a section of hollow steel pipe, and the outer sleeve is a section of high-strength hollow steel pipe; float 1 floats on the surface of water at first end, play the effect of providing the buoyancy, the buffering subassembly is fixed on float 1's last side, the buffering subassembly is more than being in the surface of water all the time, boats and ships first contact second annular buffer layer 6 when boats and ships and foundation column 2 bump on water, second annular buffer layer 6 plays the cushioning effect, the energy that the collision takes place has been absorbed, then let the interior sleeve pipe on pressure layer start plastic deformation when receiving the impact, the internal diameter reduces, by crowded outer tube, take place the displacement, the energy that the collision takes place has been absorbed, finally play the effect of protection foundation column 2 on water, first annular buffer layer 5, first steel deck 7, second steel deck 8, second annular buffer layer 6 all is the annular, fixed connection perhaps can dismantle the connection between every layer.
Example 2:
the inner sleeve of the buffer component is a section of solid round steel, and the outer sleeve is a section of hollow steel pipe; float 1 floats on the surface of water at first end, play the effect of providing the buoyancy, the buffering subassembly is fixed on float 1's last side, the buffering subassembly is more than being in the surface of water all the time, boats and ships first contact second annular buffer layer 6 when boats and ships and foundation column 2 bump on water, second annular buffer layer 6 plays the cushioning effect, the energy that the collision takes place has been absorbed, then let the outer tube on pigeonhole layer start plastic deformation when receiving the impact, the internal diameter increases, interior sleeve pipe is crowded into the outer tube, take place the displacement, the energy that the collision takes place has been absorbed, finally play the effect of protection foundation column 2 on water, first annular buffer layer 5, first steel deck 7, second steel deck 8, second annular buffer layer 6 all is the annular, fixed connection perhaps can dismantle the connection between every layer.
According to the overwater foundation column impact damage reduction device based on the cold pressing principle, three layers of impact reduction buffering are achieved through the arrangement of the first annular buffer layer, the second annular buffer layer and the pressure yielding device, the buffering effect is greatly improved, the pressure yielding device is inserted and matched through the outer sleeve and the inner sleeve, and the outer sleeve and the inner sleeve are fixed on the steel plate layer, so that the outer sleeve and the inner sleeve are prevented from directly penetrating into the annular buffer layer in a large impact process to cause small local permanent damage of the annular buffer layer, when the outer sleeve and the inner sleeve are fixed on the steel plate layer, the pressure of the outer sleeve and the inner sleeve is also distributed to the whole steel plate layer when the outer sleeve and the inner sleeve are locally impacted, the pressure of the steel plate layer on the annular buffer layer is reduced, and the service life is prolonged.
Compared with the prior art, the invention also has the following advantages:
1. the buoy provides buoyancy for the above-water foundation column anti-collision device, and along with the rise and fall of the water level, the above-water foundation column anti-collision device floats on the water surface all the time without manual and mechanical adjustment, and is energy-saving, environment-friendly and reliable in effect.
2. The outer wall of the second annular buffer layer is also provided with a fluorescent layer which can emit fluorescent light under the irradiation of ship light, so that ships can clearly judge the position of the waterborne foundation column.
3. The pressure yielding device consists of an outer sleeve and an inner sleeve, and the energy absorption effect is remarkable by utilizing the plastic deformation of metal, so that the pressure yielding device plays a role in buffering and protects the waterborne foundation column.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a foundation column falls to strike and damages device on water based on principle of colding pressing which characterized in that: establish on the foundation column on water and can float the flotation pontoon on the surface of water and establish the buffering subassembly on the foundation column on water and be located the flotation pontoon top including the cover, buffering subassembly includes first annular buffer layer, second annular buffer layer and is located yielding between first annular buffer layer and the second annular buffer layer and presses the device, attach respectively on first annular buffer layer surface and the second annular buffer layer internal surface and be equipped with first steel deck, second steel deck, let press the device clamp to establish between first steel deck and second steel deck.
2. The water foundation column impact damage reduction device based on the cold pressing principle according to claim 1, characterized in that: the yielding device comprises an outer sleeve and an inner sleeve, wherein the outer sleeve is arranged on the surface of the first steel plate layer, and the inner sleeve is correspondingly matched with the outer sleeve in an inserting mode and is arranged on the surface of the second steel plate layer.
3. The water foundation column impact damage reduction device based on the cold pressing principle according to claim 2, characterized in that: the outer sleeve is a cylindrical pipe, an expanding counter bore is formed in the position of the pipe opening of the cylindrical pipe, and the inner sleeve is cylindrical and is inserted into the expanding counter bore.
4. The water foundation column impact damage reduction device based on the cold pressing principle according to claim 2, characterized in that: the outer sleeve is a cylindrical pipe, the pipe orifice of the cylindrical pipe is a conical opening, the end of the inner sleeve is in a pointed cone shape, the pointed cone end is inserted into the conical opening, and the outer sleeve and the inner sleeve are mutually inserted and matched.
5. The water foundation column impact damage reduction device based on the cold pressing principle according to claim 1, characterized in that: and a fluorescent layer is arranged on the outer surface of the second annular buffer layer.
6. The water foundation column impact damage reduction device based on the cold pressing principle according to claim 1, characterized in that: the inner surface of the first annular buffer layer is provided with a rubber cushion layer.
7. The water foundation column impact damage reduction device based on the cold pressing principle according to claim 1, characterized in that: the first steel plate layer and the second steel plate layer are formed by hinging two half circular ring bodies, one side edges of the two half circular ring bodies are mutually rotatably hinged, the other side edges of the two half circular ring bodies are mutually communicated and fixed through a detachable bolt in an inserting mode, the second steel plate layer and the surface of the second annular buffer layer are mutually pasted and fixed, and the first steel plate layer and the surface of the first annular buffer layer are mutually pasted and fixed.
8. The water foundation column impact damage reduction device based on the cold pressing principle according to claim 7, characterized in that: the first annular buffer layer and the second annular buffer layer are both two annular half bodies which are spliced to form an annular body, and each of the first annular buffer layer and the second annular buffer layer comprises a rubber plate body and a sinking channel which is arrayed on the rubber plate body.
9. The utility model provides an equipment method of post impact damage device falls on water based on principle of colding pressing which characterized in that: the overwater foundation column impact damage reducing device based on the cold pressing principle comprises a buoy and a buffer assembly, wherein the buoy is sleeved on the overwater foundation column and can float on the water surface, the buffer assembly is sleeved on the overwater foundation column and is positioned above the buoy, the buffer assembly comprises a first annular buffer layer, a second annular buffer layer and a pressure yielding device positioned between the first annular buffer layer and the second annular buffer layer, a first steel plate layer and a second steel plate layer are respectively attached to the outer surface of the first annular buffer layer and the inner surface of the second annular buffer layer, and the pressure yielding device is clamped between the first steel plate layer and the second steel plate layer; during assembly, the buoy is sleeved on the water foundation column, the first annular buffer layer is sleeved on the water foundation column and located above the buoy, the first steel plate layer with the pressure yielding devices densely distributed on the surface is hooped on the periphery of the first annular buffer layer, the second steel plate layer is hooped on the periphery of the pressure yielding devices, and then the second annular buffer layer is additionally arranged on the surface of the second steel plate layer.
10. The method for assembling the water foundation column impact damage reduction device based on the cold pressing principle according to claim 9, wherein the method comprises the following steps: the first steel plate layer and the second steel plate layer are formed by hinging two half circular ring bodies, one side edges of the two half circular ring bodies are mutually rotatably hinged, the other side edges of the two half circular ring bodies are mutually communicated and fixed in an inserting way through a detachable bolt, the second steel plate layer and the surface of the second annular buffer layer are mutually adhered and fixed, and the first steel plate layer and the surface of the first annular buffer layer are mutually adhered and fixed; the first annular buffer layer and the second annular buffer layer are both two annular half bodies which are spliced to form an annular body, and each of the first annular buffer layer and the second annular buffer layer comprises a rubber plate body and a sinking channel arrayed on the rubber plate body; during assembly, the two half circular ring bodies of the first steel plate layer and the second steel plate layer are fixed in an inserting mode through the inserting pins after being embraced.
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| CN202110649133.1A CN113338225A (en) | 2021-06-10 | 2021-06-10 | Overwater foundation column impact damage reduction device based on cold pressing principle and assembling method |
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| CN202110649133.1A CN113338225A (en) | 2021-06-10 | 2021-06-10 | Overwater foundation column impact damage reduction device based on cold pressing principle and assembling method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115369826A (en) * | 2022-09-21 | 2022-11-22 | 西南交通大学 | Pier protection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115369826A (en) * | 2022-09-21 | 2022-11-22 | 西南交通大学 | Pier protection device |
| CN115369826B (en) * | 2022-09-21 | 2023-11-21 | 西南交通大学 | Pier protection device |
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Application publication date: 20210903 |