CN114941282A - Bridge multi-direction anti-seismic and anti-overturning device based on bridge pier - Google Patents
Bridge multi-direction anti-seismic and anti-overturning device based on bridge pier Download PDFInfo
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- CN114941282A CN114941282A CN202210501572.2A CN202210501572A CN114941282A CN 114941282 A CN114941282 A CN 114941282A CN 202210501572 A CN202210501572 A CN 202210501572A CN 114941282 A CN114941282 A CN 114941282A
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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
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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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- 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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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a bridge multidirectional anti-seismic and anti-overturning device based on piers, and relates to the technical field of bridge construction. The inner side of the annular support body is annularly provided with a fixed external member, and the fixed external member slides along the annular support body in the radial direction; the periphery of the rotary positioning mechanism is rotationally connected with a plurality of connecting frames, the top of each connecting frame is rotationally connected with a beam bearing mechanism, and the beam bearing mechanism is horizontally matched with the rotary positioning mechanism in a sliding manner; the fixing external member comprises an arc-shaped steel plate attached to the peripheral side face of the bridge pier, a steel column matched with the sliding hole is fixed on the outer surface of the arc-shaped steel plate, and an arc-shaped stress plate is fixed at one end of the steel column; the inner surface of the positioning ring body is provided with a plurality of curved surface pushing and pressing pieces. According to the invention, after the whole overturn preventing device is sleeved on the bridge pier, the overturn preventing device is directly and randomly installed on the bridge pier, and the four beam body bearing mechanisms are positioned in the cross direction by rotating each beam body bearing mechanism along the annular supporting body, so that the installation efficiency of the overturn preventing device is greatly increased.
Description
Technical Field
The invention belongs to the technical field of bridge construction, and particularly relates to a bridge multidirectional anti-seismic and anti-overturning device based on a pier.
Background
Most of in-service bridges need to bear various acting forces such as earthquakes and the like when in use, the beams can generate certain longitudinal or transverse displacement under the acting forces, and the displacement can be gradually accumulated along with time until the bridges with the beam deviation seriously threaten the safety of road operation, so that the bridge pier is required to be provided with an overturn prevention device to realize the effect of enhancing the stability of the beams.
However, in the course of implementing the specific embodiments of the present invention, the inventor of the present application has found that the overturn-preventing device in the prior art has the following disadvantages: (1) in the installation process of the existing anti-overturning device on a pier, the anti-overturning device can be installed on the pier only after four supporting structures are aligned to the cross direction of the bottom of a beam body to realize positioning, and the installation mode greatly reduces the installation efficiency of the anti-overturning device; (2) most of the existing anti-overturning devices are customized according to the diameter of a poured concrete pier, the anti-overturning devices cannot be smoothly sleeved on the pier due to construction deviation in the pouring process, partial concrete blocks need to be knocked off, and the anti-overturning devices can be smoothly sleeved on the pier, so that the mounting efficiency of the anti-overturning devices is greatly reduced, and the construction progress is not improved.
Therefore, a bridge multi-directional anti-seismic and anti-overturning device based on bridge piers is provided to solve the technical problems.
Disclosure of Invention
The invention aims to provide a bridge multidirectional anti-seismic and anti-overturning device based on a pier, which solves the problems that in the installation process of the existing anti-overturning device on the pier, the anti-overturning device can be installed on the pier only after four supporting structures are aligned to the cross direction of the bottom of a beam body to realize positioning firstly, the installation mode greatly reduces the installation efficiency of the anti-overturning device, the anti-overturning device cannot be smoothly sleeved on the pier due to construction deviation in the pouring process, a part of concrete blocks are knocked off to smoothly sleeve and install the anti-overturning device on the pier, and further the installation efficiency of the anti-overturning device is greatly reduced.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a bridge multidirectional anti-seismic and anti-overturning device based on a pier, which comprises a supporting mechanism and a rotary positioning mechanism, wherein the supporting mechanism is rotationally connected with the rotary positioning mechanism; the supporting mechanism comprises an annular supporting body sleeved on the pier, a plurality of fixing external members are annularly arranged on the inner side of the annular supporting body, and the fixing external members slide along the annular supporting body in the radial direction; the periphery of the rotary positioning mechanism is rotationally connected with a plurality of connecting frames, the top of each connecting frame is rotationally connected with a beam bearing mechanism, and the beam bearing mechanism is horizontally matched with the rotary positioning mechanism in a sliding manner; an annular cavity is arranged in the annular support body, an annular slide way communicated with the annular cavity is arranged on the outer surface of the annular support body, and a slide hole communicated with the annular cavity is arranged on the inner surface of the annular support body; the fixing kit comprises an arc-shaped steel plate attached to the peripheral side face of the bridge pier, a steel column matched with the sliding hole is fixed on the outer surface of the arc-shaped steel plate, and an arc-shaped stress plate is fixed at one end of the steel column; the rotary positioning mechanism comprises a positioning ring body which is connected with the inside of the annular cavity in a coaxial rotating mode, a plurality of curved surface pushing and pressing pieces are arranged on the inner surface of the positioning ring body, and the curved surface pushing and pressing pieces are used for pushing the arc-shaped stress plate to move along the radial direction of the annular supporting body.
Furthermore, a plurality of limiting plates are fixed at both ends of the positioning ring body, and the limiting plates are in sliding fit with the annular cavity; the outer surface of the positioning ring body is fixed with a plurality of sliding parts along the circumferential direction, the sliding parts are in sliding fit with the annular slide ways, one ends of the sliding parts are fixed with L-shaped supporting frames, and arc-shaped elastic parts are connected between the connecting frames and the corresponding L-shaped supporting frames.
Furthermore, a pair of ear seats is arranged on the inner wall of the L-shaped support frame, and the two ear seats are connected with the lower end of the connecting frame through a rotating shaft; and one end of the L-shaped support frame is fixedly provided with a connecting seat, and the surface of the connecting seat is fixedly connected with a guide post.
Furthermore, the side surfaces of the steel columns are in sliding fit with elastic cushions, the elastic cushions are arranged between the arc stress plates and the arc steel plates, and the elastic cushions are arranged on the inner wall of the annular cavity.
Furthermore, the beam body bearing mechanism comprises a bearing plate, and one end of the bearing plate is connected with the top of the connecting frame through a rotating shaft; the bottom of the bearing plate is fixed with a telescopic component, the lower end of the telescopic component is fixed with a guide ring body, and the guide ring body is in sliding fit with the guide column.
Furthermore, a first fixing hole is formed in the surface of the arc-shaped steel plate, and the first fixing hole is fixedly connected with a fixing groove prefabricated on a pier through a steel bolt; the bearing plate surface is provided with a second fixing hole, and the second fixing hole is fixedly connected with a fixing groove prefabricated at the bottom of the beam body through a steel bolt.
Furthermore, the surface of the bearing plate is provided with a mounting hole, and a roller is arranged in the mounting hole; the bottom of the bearing plate is fixed with a base, the bottom of the base is in threaded connection with an adjusting column, the top of the adjusting column is rotatably connected with a roller carrier, and a roller is rotatably connected to the top of the roller carrier.
The invention has the following beneficial effects:
1. according to the invention, after the whole anti-overturning device is sleeved on the pier, the four beam body bearing mechanisms are not required to be accurately positioned in the cross direction of the bottom of the beam body firstly, then the anti-overturning device is installed and fixed on the pier, after the anti-overturning device is directly and randomly installed on the pier, the four beam body bearing mechanisms are positioned in the cross direction by rotating each beam body bearing mechanism along the annular supporting body, and thus the installation efficiency of the anti-overturning device is greatly increased.
2. In the process of adjusting the positions of the four beam body bearing mechanisms at the bottoms of the beam bodies, the rollers at the bearing plates are attached to the bottoms of the beam bodies and roll along the bottoms of the beam bodies by rotating the adjusting columns, and the rollers are separated from the bottoms of the beam bodies by reversely rotating after the positions are adjusted to the supporting positions at the bottoms of the beam bodies, so that the efficiency of adjusting the positions of the beam body bearing mechanisms at the bottoms of the beam bodies is greatly improved.
3. According to the invention, after the whole anti-overturning device is sleeved on the pier, in the process of rotating the beam body bearing mechanism, the arc stress plate on the fixing sleeve piece is tightly extruded by the curved surface pushing piece, so that the arc steel plate is tightly extruded and attached on the periphery of the pier, the primary fixing of the anti-overturning device on the pier is realized, and then the anti-overturning device is fixed on the pier again through the steel bolts in the first fixing holes, so that the stability and firmness of the installation of the whole anti-overturning device on the pier are greatly increased.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a bridge multidirectional anti-seismic and anti-overturn device based on a pier.
Fig. 2 is a partial structural schematic diagram of fig. 1.
Fig. 3 is a schematic structural diagram of the support mechanism.
Fig. 4 is a schematic structural diagram of the rotational positioning mechanism.
Fig. 5 is a schematic structural view of the connection frame.
Fig. 6 is a schematic structural view of the fixing kit.
Fig. 7 is a top view of the structure of fig. 6.
Fig. 8 is a schematic structural diagram of a beam body bearing mechanism.
Fig. 9 is a structural diagram of the bottom view of fig. 8.
In the drawings, the components represented by the respective reference numerals are listed below:
1-supporting mechanism, 101-annular supporting body, 102-annular cavity, 103-annular slideway, 104-sliding hole, 2-rotary positioning mechanism, 201-positioning ring body, 202-curved surface pushing piece, 203-limiting plate, 204-L-shaped supporting frame, 205-connecting seat, 206-guiding column, 3-fixing external member, 301-arc steel plate, 302-steel column, 303-arc stress plate, 304-elastic pad, 305-first fixing hole, 4-connecting frame, 5-beam body bearing mechanism, 501-bearing plate, 502-telescopic part, 503-guiding ring body, 504-second fixing hole, 505-mounting channel, 506-roller, 507-base, 508-adjusting column, 509-roller frame and 6-arc elastic piece.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-9, the invention relates to a bridge multidirectional anti-seismic and anti-overturn device based on bridge piers, which comprises a supporting mechanism 1 and a rotary positioning mechanism 2, wherein the supporting mechanism 1 is rotationally connected with the rotary positioning mechanism 2, and the rotary positioning mechanisms 2 rotate along the supporting mechanism 1, so that the four rotary positioning mechanisms 2 can be positioned in the cross direction of the bottom of a beam body;
the supporting mechanism 1 comprises an annular supporting body 101 sleeved on the pier, a plurality of fixing external members 3 are annularly arranged on the inner side of the annular supporting body 101, and the fixing external members 3 radially slide along the annular supporting body 101 and can be tightly attached to the periphery of the pier;
the periphery of the rotary positioning mechanism 2 is rotationally connected with a plurality of connecting frames 4, the top of each connecting frame 4 is rotationally connected with a beam bearing mechanism 5, and the beam bearing mechanisms 5 are horizontally and slidably matched with the rotary positioning mechanism 2, so that the flexible adjustment of the horizontal distance between the supporting mechanism 1 and the beam bearing mechanisms 5 can be realized;
an annular cavity 102 is arranged in the annular supporting body 101, an annular slide way 103 communicated with the annular cavity 102 is arranged on the outer surface of the annular supporting body 101, and a slide hole 104 communicated with the annular cavity 102 is arranged on the inner surface of the annular supporting body 101;
the fixing kit 3 comprises an arc-shaped steel plate 301 attached to the peripheral side face of the bridge pier, a steel column 302 matched with the sliding hole 104 is fixed on the outer surface of the arc-shaped steel plate 301, and an arc-shaped stress plate 303 is fixed at one end of the steel column 302; the circumferential side surface of the steel column 302 is in sliding fit with an elastic pad 304, the elastic pad 304 is arranged between the arc-shaped stress plate 303 and the arc-shaped steel plate 301, and the elastic pad 304 is arranged on the inner wall of the annular cavity 102; the rotary positioning mechanism 2 is rotated to extrude the arc-shaped stress plate 303 in the annular cavity 102, so that the arc-shaped steel plate 301 is tightly attached to the periphery of the pier, the primary fixation of the whole overturn-preventing device on the pier is realized, and at the moment, the elastic pad 304 is tightly attached between the arc-shaped stress plate 303 and the inner wall of the annular cavity 102;
the rotary positioning mechanism 2 comprises a positioning ring body 201 coaxially and rotatably connected to the inside of the annular cavity 102, a plurality of curved surface pushing and pressing pieces 202 are arranged on the inner surface of the positioning ring body 201, and the curved surface pushing and pressing pieces 202 are used for pushing the arc-shaped stress plate 303 to radially move along the annular support body 101 until the arc-shaped steel plate 301 is tightly attached and fixed on the peripheral side of the pier;
through establishing whole anti-overturning device cover on the pier after, need not earlier with the accurate location of four roof beam body bearing mechanism 5 on the cross direction of roof beam body bottom, realize the installation of anti-overturning device on the pier fixed again, directly install the back on the pier with anti-overturning device at will, through rotating each roof beam body bearing mechanism 5 along the toroidal support 101 and realizing the location of four roof beam body bearing mechanism 5 in the cross direction to greatly increased anti-overturning device's installation effectiveness.
In this embodiment, a plurality of limiting plates 203 are fixed at both ends of the positioning ring body 201, and the limiting plates 203 are in sliding fit with the annular cavity 102 to ensure stable rotation of the positioning ring body 201 in the annular cavity 102; a plurality of sliding parts are fixed on the outer surface of the positioning ring body 201 along the annular direction, the sliding parts are in sliding fit with the annular slide way 103, and an L-shaped support frame 204 is fixed at one end of each sliding part;
a pair of ear seats are arranged on the inner wall of the L-shaped support frame 204, and the two ear seats are connected with the lower end of the connecting frame 4 through a rotating shaft; one end of the L-shaped support frame 204 is fixed with a connecting seat 205, and the surface of the connecting seat 205 is fixedly connected with a guide post 206; through establishing whole anti-overturning device cover on the pier after, at the 5 in-process of the girder segment bearing mechanism that rotates, utilize the curved surface to bulldoze the arc atress board 303 that 202 closely extrudees on the fixed external member 3, thereby make the close extrusion laminating of arc steel sheet 301 on pier week side, realize preventing the preliminary fixed of overturning device on the pier, prevent the fixed of overturning device on the pier once more through the steel bolt afterwards, greatly increased the stability and the fastness of whole anti-overturning device installation on the pier.
In this embodiment, the beam body bearing mechanism 5 includes a bearing plate 501, and one end of the bearing plate 501 is connected to the top of the connecting frame 4 through a rotating shaft;
the bottom of the bearing plate 501 is fixed with a telescopic part 502, the lower end of the telescopic part 502 is fixed with a guide ring body 503, the guide ring body 503 is in sliding fit with the guide post 206, in the process of horizontally moving the beam bearing mechanism 5, the inclination angle of the connecting frame 4 changes along with the inclination angle, and the beam bearing mechanism 5 slides along the guide post 206 through the sliding fit of the guide ring body 503 and the guide post 206, so that the horizontal movement of the beam bearing mechanism 5 is ensured.
In the embodiment, the first fixing hole 305 is formed in the surface of the arc-shaped steel plate 301, the first fixing hole 305 and the fixing groove prefabricated on the pier are fixedly connected through the steel bolt, and after the arc-shaped steel plate 301 is tightly extruded and attached to the periphery of the pier, the steel bolt is inserted into the first fixing hole 305 and the fixing groove prefabricated on the pier, so that the whole overturn-preventing device can be stably installed on the pier;
the bearing plate 501 is provided with a second fixing hole 504 on the surface, the second fixing hole 504 is fixedly connected with the prefabricated fixing groove at the bottom of the beam body through a steel bolt, so that the bearing plate 501 on the four beam body bearing mechanisms 5 is inserted into the second fixing hole 504 and the prefabricated fixing groove at the bottom of the beam body after the bottom of the beam body is positioned, and the beam body bearing mechanisms 5 on the whole overturn-preventing device can be stably installed at the bottom of the beam body.
In this embodiment, the surface of the bearing plate 501 is provided with a mounting hole 505, and a roller 506 is disposed inside the mounting hole 505; a base 507 is fixed at the bottom of the bearing plate 501, an adjusting column 508 is in threaded connection with the bottom of the base 507, a roller carrier 509 is rotatably connected to the top of the adjusting column 508, and a roller 506 is rotatably connected to the top of the roller carrier 509; an arc-shaped elastic part 6 is connected between the connecting frame 4 and the corresponding L-shaped supporting frame 204; in the process of adjusting the positions of the four beam body bearing mechanisms 5 at the bottom of the beam body, the rollers 506 at the bearing plate 501 are attached to the bottom of the beam body and roll along the bottom of the beam body by rotating the adjusting columns 508, and the rollers 506 are separated from the bottom of the beam body by reversely rotating after being adjusted to the supporting position at the bottom of the beam body, so that the efficiency of adjusting the positions of the beam body bearing mechanisms 5 at the bottom of the beam body is greatly improved.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. Bridge multi-direction antidetonation and anti-overturning device based on pier, its characterized in that: the device comprises a supporting mechanism (1) and a rotary positioning mechanism (2), wherein the supporting mechanism (1) is rotationally connected with the rotary positioning mechanism (2);
the supporting mechanism (1) comprises an annular supporting body (101) sleeved on a pier, a plurality of fixing external members (3) are annularly arranged on the inner side of the annular supporting body (101), and the fixing external members (3) radially slide along the annular supporting body (101);
the periphery of the rotary positioning mechanism (2) is rotationally connected with a plurality of connecting frames (4), the top of each connecting frame (4) is rotationally connected with a beam bearing mechanism (5), and the beam bearing mechanisms (5) are in horizontal sliding fit with the rotary positioning mechanism (2);
an annular cavity (102) is arranged in the annular supporting body (101), an annular slide way (103) communicated with the annular cavity (102) is arranged on the outer surface of the annular supporting body (101), and a slide hole (104) communicated with the annular cavity (102) is arranged on the inner surface of the annular supporting body (101);
the fixing kit (3) comprises arc-shaped steel plates (301) attached to the peripheral sides of the bridge piers, steel columns (302) matched with the sliding holes (104) are fixed on the outer surfaces of the arc-shaped steel plates (301), and arc-shaped stress plates (303) are fixed at one ends of the steel columns (302);
the rotary positioning mechanism (2) comprises a positioning ring body (201) which is coaxially and rotatably connected with the inside of the annular cavity (102), a plurality of curved surface pushing pieces (202) are arranged on the inner surface of the positioning ring body (201), and the curved surface pushing pieces (202) are used for pushing the arc-shaped stress plate (303) to move along the radial direction of the annular support body (101).
2. The bridge multidirectional earthquake-resistant and overturn-resistant device based on bridge piers as claimed in claim 1, wherein a plurality of limiting plates (203) are fixed at both ends of the positioning ring body (201), and the limiting plates (203) are in sliding fit with the annular cavity (102);
the outer surface of the positioning ring body (201) is fixed with a plurality of sliding pieces along the annular direction, the sliding pieces are in sliding fit with the annular slide ways (103), and one ends of the sliding pieces are fixed with L-shaped supporting frames (204).
3. The bridge multidirectional anti-seismic and anti-overturning device based on the bridge pier as claimed in claim 2, wherein a pair of lug seats are arranged on the inner wall of the L-shaped supporting frame (204), and the two lug seats are connected with the lower end of the connecting frame (4) through a rotating shaft;
one end of the L-shaped support frame (204) is fixedly provided with a connecting seat (205), and the surface of the connecting seat (205) is fixedly connected with a guide post (206).
4. The multidirectional earthquake-resistant and overturn-resistant device for bridge piers based on bridge piers of claim 3, wherein the circumferential side surfaces of the steel columns (302) are slidably fitted with elastic pads (304), the elastic pads (304) are arranged between the arc-shaped stress plates (303) and the arc-shaped steel plates (301), and the elastic pads (304) are installed on the inner wall of the annular cavity (102).
5. The multidirectional bridge earthquake-resistant and overturn-resistant device based on bridge piers of claim 4, wherein the beam body bearing mechanism (5) comprises a bearing plate (501), and one end of the bearing plate (501) is connected with the top of the connecting frame (4) through a rotating shaft;
the bottom of the bearing plate (501) is fixed with a telescopic part (502), the lower end of the telescopic part (502) is fixed with a guide ring body (503), and the guide ring body (503) is in sliding fit with the guide column (206).
6. The multidirectional bridge anti-seismic and anti-overturning device based on piers according to claim 5, wherein the surface of the arc-shaped steel plate (301) is provided with a first fixing hole (305), and the first fixing hole (305) is fixedly connected with a fixing groove prefabricated on a pier through a steel bolt;
and a second fixing hole (504) is formed in the surface of the bearing plate (501), and the second fixing hole (504) is fixedly connected with a fixing groove prefabricated at the bottom of the beam body through a steel bolt.
7. The multidirectional bridge earthquake-resistant and overturn-resistant device based on bridge piers of claim 6, wherein the bearing plate (501) is provided with a mounting hole (505) on the surface, and rollers (506) are arranged inside the mounting hole (505);
bearing board (501) bottom is fixed with base (507), base (507) bottom threaded connection has regulation post (508), it is connected with gyro wheel frame (509) to adjust post (508) top rotation, gyro wheel (506) rotate to be connected at gyro wheel frame (509) top.
8. The multidirectional bridge earthquake-resistance and overturn-prevention device based on piers of claim 7, wherein arc-shaped elastic members (6) are connected between the connecting frames (4) and the corresponding L-shaped supporting frames (204).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210501572.2A CN114941282A (en) | 2022-05-09 | 2022-05-09 | Bridge multi-direction anti-seismic and anti-overturning device based on bridge pier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210501572.2A CN114941282A (en) | 2022-05-09 | 2022-05-09 | Bridge multi-direction anti-seismic and anti-overturning device based on bridge pier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114941282A true CN114941282A (en) | 2022-08-26 |
Family
ID=82906360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210501572.2A Withdrawn CN114941282A (en) | 2022-05-09 | 2022-05-09 | Bridge multi-direction anti-seismic and anti-overturning device based on bridge pier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114941282A (en) |
-
2022
- 2022-05-09 CN CN202210501572.2A patent/CN114941282A/en not_active Withdrawn
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Application publication date: 20220826 |
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