CN113005887A - Plug-in type sways pier - Google Patents
Plug-in type sways pier Download PDFInfo
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- CN113005887A CN113005887A CN202110283446.XA CN202110283446A CN113005887A CN 113005887 A CN113005887 A CN 113005887A CN 202110283446 A CN202110283446 A CN 202110283446A CN 113005887 A CN113005887 A CN 113005887A
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- pier
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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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Abstract
The invention discloses a plug-in type swinging pier, which belongs to the technical field of assembled bridges and comprises a pier body and a bearing platform, wherein a sinking groove used for mounting the pier body is formed in the center of the bearing platform, a plurality of first damping devices are arranged between the sinking groove and the pier body and around the outer side of the pier body, and a plurality of second damping devices are also arranged between the pier body and the bottom of the sinking groove; the second damping device comprises a first shell and a corrugated plate, a plurality of notches are formed in the bottom of the pier body, the notches are evenly distributed in the circumferential direction of the pier body in an annular mode, and each notch is provided with a jack on the end face. The pier is convenient to construct, has good energy consumption and self-resetting effects, and can play an effective shock absorption effect.
Description
Technical Field
The invention belongs to the technical field of assembled bridges, and particularly relates to a plug-in type swinging pier.
Background
The front bridge anti-seismic method mainly consumes seismic energy through plastic deformation selected by the structure, and prolongs the structural period, thereby reducing seismic reaction and achieving the effect of resisting the seismic action. At present, bridge piers are usually designed into ductile members, so that the bridge piers are prevented from collapsing under the action of earthquakes, and the life and property safety of people is protected. The existing swing pier is difficult to construct, and the energy consumption and the self-resetting effect are not obvious.
Disclosure of Invention
In view of this, the invention aims to provide a plug-in type swing pier which is convenient to construct, has good energy consumption and self-resetting effects and can play an effective shock absorption effect.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention relates to a plug-in type swinging pier which comprises a pier body and a bearing platform, wherein a sinking groove used for mounting the pier body is formed in the center of the bearing platform, a plurality of first damping devices are arranged between the sinking groove and the pier body and around the outer side of the pier body, and a plurality of second damping devices are arranged between the pier body and the bottom of the sinking groove; the second damping device comprises a first shell and a wave folding plate, a plurality of notches are formed in the bottom of the pier body, a plurality of notches are annularly and uniformly distributed in the circumferential direction of the pier body and are respectively provided with a jack on the end face of each notch, the inner wall of each jack is matched with the first shell, a plurality of supporting and inserting columns are fixedly arranged at the bottom of each sinking groove, the supporting and inserting columns are in one-to-one correspondence with the jacks, the outer side sleeves of the supporting and inserting columns are provided with a second shell, the supporting and inserting columns are coaxially inserted into the jacks, the first shell and the second shell are radially separated from each other and are arranged, and the wave folding plate is arranged between the first shell and the second shell.
Further, the inner side of the wave folded plate faces downwards, one end of the wave folded plate is fixedly connected with the inner wall of the first shell, the other end of the wave folded plate is clamped with the outer wall of the second shell, and an inclined groove clamped with the wave folded plate is formed in the outer wall of the second shell.
Furthermore, the first shell and the second shell are both semicircular, and the two second damping devices form a group, so that the first shells of the group of second damping devices and the second shells of the group of second damping devices are all surrounded to form a circle.
Further, the bottom of the sink groove is provided with a base plate, and the support inserting column is fixedly arranged on the base plate.
Further, the downside of pier body has set firmly the crown plate, the opening part of heavy groove is provided with the closing cap, be provided with third damping device between closing cap and the crown plate, third damping device includes guide arm and spring, the spout has been seted up on the closing cap, the upper end of guide arm is fixed the downside of crown plate, the lower extreme of guide arm slides and sets up in the spout, the spring housing is established the outside of guide arm, the upper and lower both ends of spring respectively with crown plate and closing cap butt.
Further, the spring is made of a memory alloy material.
Further, the outside of pier body is provided with fourth damping device, fourth damping device includes vertical T type groove, vertical slider, first articulated head, elastic inhaul cable, horizontal T type groove, horizontal slider and second articulated head, vertical T type groove is vertical to be fixed the outside of pier body, vertical slider slides and sets up at vertical T type inslot and fix through locking device between the two, horizontal T type groove is fixed the upside of cushion cap, horizontal slider slides and sets up at horizontal T type inslot and fix through locking device between the two, elastic inhaul cable's one end through first articulated head with vertical slider fixed connection, the other end pass through the second articulated head with horizontal slider fixed connection.
The invention has the beneficial effects that:
according to the plug-in type swinging pier, under the action of a small earthquake, the pier swings in a low amplitude, and the second damping device plays a role, so that the pier has certain rigidity and is not easily influenced by wind power or water power. When the earthquake excitation of a medium or large earthquake occurs, the first damping device is arranged, the first damping device is stressed when the pier swings, acting force resisting deformation after the earthquake is normally applied to the pier, and energy is dissipated through the first damping device, so that the purposes of shock absorption and resetting are achieved.
In the swing bridge pier, the bottom of the bridge pier body is provided with the plurality of notches, the end face of each notch is provided with the jack, and the second damping device is arranged in the jack, so that the device can be conveniently replaced through the notches, and the damaged part can be replaced in time after small shock or aftershock, so that the follow-up small shock or aftershock can be responded, the bridge pier and the bridge are effectively protected, and the aim of preventing the small shock from being damaged is fulfilled.
Additional advantages, objects, and features of the invention will be set forth in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
In order to make the object, technical scheme and beneficial effect of the invention more clear, the invention provides the following drawings for explanation:
FIG. 1 is a schematic structural view of a bridge pier according to the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is a schematic structural view of a second damping device;
FIG. 4 is a schematic view of the location of the jack;
fig. 5 is a schematic cross-sectional view of a second damping device.
The drawings are numbered as follows: pier body 1, cushion cap 2, heavy groove 3, first damping device 4, second damping device 5, first casing 51, ripples board 52, breach 6, jack 7, support post 8, second casing 9, chute 10, backing plate 11, crown plate 12, closing cap 13, third damping device 14, guide arm 141, spring 142, spout 15, fourth damping device 16, vertical T type groove 161, vertical slider 162, first articulated joint 163, elastic cable 164, horizontal T type groove 165, horizontal slider 166, second articulated joint 167.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the description of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the invention thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.
As shown in fig. 1 to 4, the plug-in type swinging pier comprises a pier body 1 and a bearing platform 2, wherein the pier body 1 is cylindrical, the center of the pier body 1 is through, the center of the bearing platform 2 is provided with a sinking groove 3 for installing the pier body 1, the sinking groove 3 is cylindrical, the inner diameter of the sinking groove 3 is larger than the outer diameter of the pier body 1, a plurality of first damping devices 4 are arranged between the sinking groove 3 and the pier body 1 around the outer side of the pier body 1, the first damping devices 4 are horizontally arranged, the first damping devices 4 adopt tuned mass dampers and are used for bearing acting force along the radial direction of the pier body 1, and the bottom of the sinking groove 3 is used for supporting the pier body 1.
In the embodiment of the invention, a plurality of second damping devices 5 are also arranged between the pier body 1 and the bottom of the sinking groove 3; second damping device 5 includes first casing 51, ripples folded plate 52, a plurality of breachs 6 have been seted up to the bottom of pier body 1, and a plurality of 6 annular equipartitions in breach are in the circumference of pier body 1, each jack 7 has been seted up on the terminal surface of breach 6, the cooperation has on the inner wall of jack 7 first casing 51, the inner wall interference fit of first casing 51 and jack 7, the bottom of heavy groove 3 has set firmly a plurality of supports and has inserted post 8, support insert post 8 with jack 7 one-to-one, the outside cover that the post 8 was inserted in the support is equipped with second casing 9, support and insert post 8 coaxial inserting and locate in the jack 7, first casing 51 and second casing 9 are radially separated by the setting, be provided with between first casing 51 and the second casing 9 ripples folded plate 52.
According to the plug-in type swinging pier, under the action of a small earthquake, the pier swings in a low amplitude, and the second damping device 5 plays a role, so that the pier has certain rigidity and is not easily influenced by wind power or water power. When the earthquake excitation of a medium or large earthquake occurs, the first damping device 4 is arranged, the first damping device 4 is stressed when the pier swings, acting force resisting deformation after the earthquake is normally applied to the pier, and energy is dissipated through the first damping device 4, so that the purposes of shock absorption and restoration are achieved.
In the swing bridge pier, the bottom of the bridge pier body 1 is provided with the plurality of notches 6, the end face of each notch 6 is provided with the jack 7, and the second damping device 5 is arranged in the jack 7, so that the device can be conveniently replaced through the notches 6, and a damaged part can be replaced in time after a small shock or aftershock, so that the follow-up small shock or aftershock can be responded, the bridge pier and the bridge are effectively protected, and the purpose of preventing the small shock from being damaged is achieved.
In this embodiment, the inside of the corrugated plate 52 faces downward, the corrugated plate 52 has a bending portion, and is bent by 120 degrees, the corrugated plate 52 is made of a spring 142 steel sheet material, one end of the corrugated plate 52 is fixedly connected with the inner wall of the first housing 51, the other end of the corrugated plate 52 is fastened with the outer wall of the second housing 9, the outer wall of the second housing 9 is provided with a chute 10 fastened with the corrugated plate 52, and the opening of the chute 10 is upward, so that when the second damping device 5 is replaced, the outer end of the corrugated plate 52 is tightly attached to the outer wall of the second housing 9 and moves upward, and when reaching the position of the chute 10, the outer end of the corrugated plate 52 is fastened in the chute 10 under the action of its own elasticity, and is not easy to fall off, and is convenient to install.
In this embodiment, the first housing 51 and the second housing 9 are both semicircular, and the two second damping devices 5 form a group, so that the first housings 51 of the group of second damping devices 5 and the second housings 9 of the group of second damping devices 5 are all surrounded to form a circle, the stress is uniform, the installation is convenient, and the structure of the device after assembly is more stable.
In this embodiment, the bottom of heavy groove 3 is provided with backing plate 11, support insert the post 8 set firmly in backing plate 11, backing plate 11 can be used to protect the bottom of pier body 1.
In this embodiment, the downside of pier body 1 has set firmly the crown plate 12, the opening part of heavy groove 3 is provided with closing cap 13, be provided with third damping device 14 between closing cap 13 and the crown plate 12, third damping device 14 includes guide arm 141 and spring 142, spout 15 has been seted up on the closing cap 13, the upper end of guide arm 141 is fixed the downside of crown plate 12, the lower extreme of guide arm 141 slides and sets up in the spout 15, the spring 142 cover is established the outside of guide arm 141, the upper and lower both ends of spring 142 respectively with crown plate 12 and closing cap 13 butt, through setting up third damping device 14, can be used for a vertical shock attenuation, can protect pier body 1 to a certain extent.
In this embodiment, the spring 142 is made of a memory alloy material, and has a certain energy consumption capability through the self memory deformation effect, so that the structure of the third damping device 14 is simplified, and the cost is saved.
In this embodiment, the outside of pier body 1 is provided with fourth damping device 16, fourth damping device 16 includes vertical T type groove, vertical slider 162, first articulated joint 163, elastic cable 164, horizontal T type groove, horizontal slider 166 and second articulated joint 167, vertical T type groove is vertical to be fixed the outside of pier body 1, vertical slider 162 slides and sets up at vertical T type inslot and fix through locking device between the two, horizontal T type groove is fixed the upside of cushion cap 2, horizontal slider 166 slides and sets up at horizontal T type inslot and fix through locking device between the two, the one end of elastic cable 164 through first articulated joint 163 with vertical slider 162 fixed connection, the other end pass through second articulated joint 167 with horizontal slider 166 fixed connection.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (7)
1. The utility model provides a pier is swayd to plug-in type, includes pier body and cushion cap, its characterized in that: a sinking groove for mounting the pier body is formed in the center of the bearing platform, a plurality of first damping devices are arranged between the sinking groove and the pier body and around the outer side of the pier body, and a plurality of second damping devices are arranged between the pier body and the bottom of the sinking groove; the second damping device comprises a first shell and a wave folding plate, a plurality of notches are formed in the bottom of the pier body, a plurality of notches are annularly and uniformly distributed in the circumferential direction of the pier body and are respectively provided with a jack on the end face of each notch, the inner wall of each jack is matched with the first shell, a plurality of supporting and inserting columns are fixedly arranged at the bottom of each sinking groove, the supporting and inserting columns are in one-to-one correspondence with the jacks, the outer side sleeves of the supporting and inserting columns are provided with a second shell, the supporting and inserting columns are coaxially inserted into the jacks, the first shell and the second shell are radially separated from each other and are arranged, and the wave folding plate is arranged between the first shell and the second shell.
2. The plug-in type rocking pier of claim 1, wherein: the inner side of the wave folding plate faces downwards, one end of the wave folding plate is fixedly connected with the inner wall of the first shell, the other end of the wave folding plate is clamped with the outer wall of the second shell, and a chute clamped with the wave folding plate is formed in the outer wall of the second shell.
3. The plug-in type rocking pier of claim 2, wherein: the first shell and the second shell are both semicircular, and the two second damping devices form a group, so that a circle is surrounded between the first shells of the group of second damping devices and between the second shells of the group of second damping devices.
4. The plug-in type rocking pier of claim 1, wherein: the bottom of the sink groove is provided with a base plate, and the support inserting column is fixedly arranged on the base plate.
5. The plug-in type rocking pier of claim 1, wherein: the lower side of pier body has set firmly the crown plate, the opening part of heavy groove is provided with the closing cap, be provided with third damping device between closing cap and the crown plate, third damping device includes guide arm and spring, the spout has been seted up on the closing cap, the upper end of guide arm is fixed the downside of crown plate, the lower extreme of guide arm slides and sets up in the spout, the spring housing is established the outside of guide arm, the upper and lower both ends of spring respectively with crown plate and closing cap butt.
6. The plug-in type rocking pier of claim 5, wherein: the spring is made of a memory alloy material.
7. The plug-in type rocking pier of claim 1, wherein: the outside of pier body is provided with fourth damping device, fourth damping device includes vertical T type groove, vertical slider, first hinge, elastic inhaul cable, horizontal T type groove, horizontal slider and second hinge, vertical T type groove is vertical to be fixed the outside of pier body, vertical slider slides and sets up at vertical T type inslot and fixes through locking device between the two, horizontal T type groove is fixed the upside of cushion cap, horizontal slider slides and sets up at horizontal T type inslot and fix through locking device between the two, elastic inhaul cable's one end through first hinge with vertical slider fixed connection, the other end pass through the second hinge with horizontal slider fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110283446.XA CN113005887B (en) | 2021-03-17 | 2021-03-17 | Plug-in type sways pier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110283446.XA CN113005887B (en) | 2021-03-17 | 2021-03-17 | Plug-in type sways pier |
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| Publication Number | Publication Date |
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| CN113005887A true CN113005887A (en) | 2021-06-22 |
| CN113005887B CN113005887B (en) | 2022-09-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110283446.XA Active CN113005887B (en) | 2021-03-17 | 2021-03-17 | Plug-in type sways pier |
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| CN (1) | CN113005887B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001200508A (en) * | 2000-01-20 | 2001-07-27 | Kumagai Gumi Co Ltd | Base isolated structure for rigid frame bridge |
| CN103147391A (en) * | 2013-03-29 | 2013-06-12 | 东南大学 | Corrosion-resistant self-centering bridge pier structure easy for seismic rehabilitation |
| CN103643627A (en) * | 2013-12-20 | 2014-03-19 | 中铁二院工程集团有限责任公司 | Damping structure for continuous rigid frame pier with limited constraint |
| CN105297617A (en) * | 2015-11-24 | 2016-02-03 | 北京工业大学 | Double-column type swinging shock-insulation bridge pier structure system |
| CN108729344A (en) * | 2018-05-28 | 2018-11-02 | 北京工业大学 | A kind of two-columned pier construction waving shock insulation use in conjunction |
| CN109706831A (en) * | 2019-01-11 | 2019-05-03 | 南京理工大学 | Improve the device and its construction method of the energy consumption of section assembling bridge pier and self-resetting capability |
| CN110258308A (en) * | 2019-07-09 | 2019-09-20 | 长沙理工大学 | The Self-resetting concrete pier of replaceable buckling and energy consumption preventing steel plate is arranged in a kind of bottom |
| CN210596983U (en) * | 2019-03-22 | 2020-05-22 | 中国市政工程中南设计研究总院有限公司 | Multi-functional highway pier protector |
| CN111926690A (en) * | 2020-08-06 | 2020-11-13 | 广州大学 | Novel pier is assembled in prefabrication |
| CN212052278U (en) * | 2020-04-09 | 2020-12-01 | 衡水众鑫工程橡塑有限公司 | Anti-seismic damping anti-falling beam structure |
-
2021
- 2021-03-17 CN CN202110283446.XA patent/CN113005887B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001200508A (en) * | 2000-01-20 | 2001-07-27 | Kumagai Gumi Co Ltd | Base isolated structure for rigid frame bridge |
| CN103147391A (en) * | 2013-03-29 | 2013-06-12 | 东南大学 | Corrosion-resistant self-centering bridge pier structure easy for seismic rehabilitation |
| CN103643627A (en) * | 2013-12-20 | 2014-03-19 | 中铁二院工程集团有限责任公司 | Damping structure for continuous rigid frame pier with limited constraint |
| CN105297617A (en) * | 2015-11-24 | 2016-02-03 | 北京工业大学 | Double-column type swinging shock-insulation bridge pier structure system |
| CN108729344A (en) * | 2018-05-28 | 2018-11-02 | 北京工业大学 | A kind of two-columned pier construction waving shock insulation use in conjunction |
| CN109706831A (en) * | 2019-01-11 | 2019-05-03 | 南京理工大学 | Improve the device and its construction method of the energy consumption of section assembling bridge pier and self-resetting capability |
| CN210596983U (en) * | 2019-03-22 | 2020-05-22 | 中国市政工程中南设计研究总院有限公司 | Multi-functional highway pier protector |
| CN110258308A (en) * | 2019-07-09 | 2019-09-20 | 长沙理工大学 | The Self-resetting concrete pier of replaceable buckling and energy consumption preventing steel plate is arranged in a kind of bottom |
| CN212052278U (en) * | 2020-04-09 | 2020-12-01 | 衡水众鑫工程橡塑有限公司 | Anti-seismic damping anti-falling beam structure |
| CN111926690A (en) * | 2020-08-06 | 2020-11-13 | 广州大学 | Novel pier is assembled in prefabrication |
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| CN113005887B (en) | 2022-09-13 |
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