CN113668364B - Bridge anti-seismic support - Google Patents
Bridge anti-seismic support Download PDFInfo
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- CN113668364B CN113668364B CN202110943865.1A CN202110943865A CN113668364B CN 113668364 B CN113668364 B CN 113668364B CN 202110943865 A CN202110943865 A CN 202110943865A CN 113668364 B CN113668364 B CN 113668364B
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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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- 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 discloses a bridge anti-seismic support, which comprises a support side plate, wherein the bottom of the support side plate is fixedly connected with a support rod, the bottom of the support rod is fixedly connected with a vertical anti-seismic device, the bottom of the vertical anti-seismic device is provided with a fixed ring plate, the side of the bottom of the fixed ring plate is fixedly connected with a transverse anti-seismic device, the bottom of the transverse anti-seismic device is fixedly connected with a connecting fork, the middle of the bottom of the fixed ring plate is fixedly connected with a support shaft sleeve, and the vertical anti-seismic device penetrates through the support shaft sleeve and extends to the outer side of the bottom. This bridge antidetonation support, the four directions setting of the horizontal antidetonation device through this antidetonation support can reach effectual horizontal antidetonation effect, and when vertical antidetonation device atress was pressed, annular fork sword can insert annular groove inside, reaches local limiting displacement, reduces earthquake compression vibration frequency, reaches stable effect.
Description
Technical Field
The invention relates to the technical field of bridges, in particular to a bridge anti-seismic support.
Background
Bridge, make vehicle pedestrian's etc. can pass the structure smoothly. In order to adapt to the traffic industry of modern high-speed development, bridges are also extended to be buildings which are erected to span mountain ranges, poor geology or meet other traffic requirements and are more convenient to pass, and the bridges generally consist of an upper structure, a lower structure, a support and an accessory structure, wherein the upper structure is also called a bridge span structure and is a main structure for crossing obstacles; the lower structure comprises a bridge abutment, a bridge pier and a foundation; the support is a force transmission device arranged at the supporting position of the bridge span structure and the bridge pier or the bridge abutment; the auxiliary structure is bridge end butt strap, cone slope protection, bank protection, diversion engineering, etc.
When an earthquake propagates, the earthquake is mainly divided into two types: longitudinal waves, waves with the vibration direction consistent with the wave propagation direction, have high propagation speed, and feel the pitch when reaching the ground, and the object jumps up and down; transverse waves, the vibration direction of which is perpendicular to the wave propagation direction, have a propagation speed slower than that of longitudinal waves, and when reaching the ground, people feel shaking, and objects can swing back and forth.
The bottom of the bridge needs to be provided with a fixed support when the bridge is built, however, the existing bridge support has no good shock resistance or can only bear the shock resistance of one wave property when an earthquake occurs, and extremely dangerous accidents can be caused when the earthquake occurs.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a bridge anti-seismic support, which solves the problem of vibration of two waveforms of earthquake.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a bridge antidetonation support, includes the support curb plate, the bottom fixedly connected with bracing piece of support curb plate, the bottom fixedly connected with vertical antidetonation device of bracing piece, the bottom regulation of vertical antidetonation device is connected with fixed ring board, the avris department fixedly connected with horizontal antidetonation device of fixed ring board bottom, the bottom fixedly connected with fork of horizontal antidetonation device, the middle part fixedly connected with support axle sleeve of fixed ring board bottom, vertical antidetonation device runs through support axle sleeve and extends to the outside of bottom, the bottom fixedly connected with circle baffle of vertical antidetonation device; through the four-direction arrangement of the transverse anti-seismic device of the anti-seismic bracket, an effective transverse anti-seismic effect can be achieved.
The vertical anti-vibration device comprises an annular fork knife and a limiting inner ring, wherein the top parts of the annular fork knife and the limiting inner ring are fixedly connected with a limiting outer ring, and the upper surface of the limiting outer ring is fixedly connected to the bottom of the supporting rod;
the transverse anti-seismic device comprises a built-in clamping device, a spring is fixedly connected to a concave part of the outer surface of the built-in clamping device, and a supporting rod is fixedly connected to one end, away from the built-in clamping device, of the spring;
the built-in clamping device comprises a built-in sleeve device, the top of the built-in sleeve device is fixedly connected inside the built-in clamping device, and a plugboard is arranged on the outer surface of the built-in sleeve device.
Preferably, the inside cover of antidetonation axle is established in the surface department of bracing piece, the surface cover of bracing piece is equipped with the antidetonation axle, annular groove has been seted up to the surface of antidetonation axle, annular groove's inside and the surface looks adaptation of annular fork sword. When the vertical anti-seismic device is stressed, the annular fork knife can be inserted into the annular groove to achieve a local limiting effect, reduce the compression vibration frequency of the earthquake and achieve a stabilizing effect; meanwhile, when the vertical anti-seismic device is stressed and stretched, the limiting outer ring can play a role in stretching and limiting, so that the stretching vibration frequency of an earthquake is reduced, and the vibration damage of the vertical vibration frequency to the bridge during the earthquake is avoided.
Preferably, the bottom fixedly connected with shock attenuation cover shell of backing rod, the top fixedly connected with second connecting rod of built-in screens device, the top fixedly connected with of second connecting rod is in the surface department of support axle sleeve, the bottom fixedly connected with shock attenuation cover shell of backing rod.
Preferably, the side department fixedly connected with pole of screwing of shock attenuation cover shell bottom, the inside sliding connection of pole of screwing has the board that cup joints, the lower surface fixedly connected with head rod of board that cup joints, the bottom fixedly connected with of head rod is at the fork. The transverse anti-seismic device is installed on a worker, the sleeve plate and the damping sleeve shell can be operated through the fixed screwing rod, the effect of the simple dismounting device can be achieved, meanwhile, the spring has a certain buffer effect on the supporting rod and the clamping device, and when the worker is prevented from treading on the anti-seismic support, the support structure is damaged by heavy weight.
Preferably, the built-in clamping device further comprises a clamping sleeve, the top of the clamping sleeve is fixedly connected to the bottom end of the second connecting rod, a placing groove is formed in the outer surface of the clamping sleeve, and the inside of the placing groove is matched with the supporting rod and the spring.
Preferably, the inner wall of the clamping sleeve is fixedly connected with an inscription inserted bar, the inscription inserted bar penetrates through the damping sleeve shell and extends to the inside, and two sides of the bottom of the inscription inserted bar are fixedly connected to the surface of the inserting plate. When the clamping device is pulled, the damping sleeve shell can provide downward pressure and displacement of the inserting plates, so that the damping sleeve shell is clamped by the inserting plates at the two sides, the inserting plates at the two sides are stressed towards the middle, the internal sleeve device is bent and clamped, the fixing effect of the internal clamping device is improved, and the device is prevented from falling off; when the clamping device is pressed, the internal connecting rod can inwards compress the internal sleeve device according to the structure of the internal connecting rod, so that the effect of relieving pressure is achieved.
Preferably, the built-in sleeve device comprises a corrugated sleeve shell, a limit groove is formed in the outer surface of the corrugated sleeve shell, a clamping block is arranged in a concave position of the limit groove, the clamping block penetrates through the corrugated sleeve shell and extends to an inner cavity, a double-layer clamping plate device is fixedly connected to the bottom of the clamping block, and the double-layer clamping plate device is in contact fit with the upper surface of the sleeve connecting plate.
Preferably, the double-layer clamping plate device comprises a side clamping shaft, the surface of the side clamping shaft is fixedly connected to the bottom of the clamping block, a bending clamping plate is fixedly connected between opposite surfaces of the side clamping shaft, a built-in magnet is fixedly connected between opposite surfaces of the bending clamping plate, and a plastic ring is fixedly connected to the outer surface of the built-in magnet. Mutual exclusion is carried out between opposite faces of the built-in magnets, when pressure is applied to two sides of the clamping shaft, the built-in magnets are compressed, and the effect of transverse bulge is achieved, so that the fixing area of the double-layer clamping plate device and the sleeving plate is increased, and the stability of the device is improved.
(III) beneficial effects
The invention provides a bridge anti-seismic bracket. The beneficial effects are as follows:
according to the bridge anti-seismic support, when the vertical anti-seismic device is stressed, the annular fork knife can be inserted into the annular groove, so that the local limiting effect is achieved, the compression vibration frequency of an earthquake is reduced, and the stabilizing effect is achieved.
(II), this bridge antidetonation support through the horizontal antidetonation device of staff's installation, can operate sleeve board and shock attenuation cover shell through the fixed pole of screwing, can reach simple and easy dismounting device's effect, and the spring has certain cushioning effect to backing lever and screens device simultaneously, prevents that the staff from stepping on the antidetonation support when, and heavy weight causes the destruction to the supporting structure.
And thirdly, when the clamping device is pulled, the damping sleeves can provide downward pressure and displacement of the inserting plates, so that the damping sleeves are clamped by the inserting plates at two sides, the inserting plates at two sides are stressed towards the middle, the internal sleeve device is clamped in a bending manner, the fixing effect of the internal clamping device is improved, and the device is prevented from falling off.
And fourthly, when the two sides of the clamping shaft are pressed, the internal magnet is compressed to achieve the effect of transverse bulge, so that the fixing area of the double-layer clamping plate device and the sleeving plate is increased, and the stability of the device is improved.
And fifthly, when the bridge anti-seismic support is stressed and stretched through the vertical anti-seismic device, the limiting outer ring can play a role in stretching and limiting, so that the stretching vibration frequency of an earthquake is reduced, and the vibration damage of the vertical vibration frequency to the bridge during the earthquake is solved.
And sixthly, when the clamping device is pressed, the internal connecting rod can inwards compress the internal sleeve device according to the structure of the internal connecting rod, so that the effect of relieving pressure is achieved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a portion of the present invention;
FIG. 3 is a schematic cross-sectional view of a vertical seismic device of the invention;
FIG. 4 is a schematic view of the structure of the transverse seismic apparatus of the invention;
FIG. 5 is a schematic diagram of a built-in detent mechanism according to the present invention;
FIG. 6 is a schematic view of the construction of the inner housing arrangement of the present invention;
fig. 7 is a schematic view of a double-layered splint device according to the present invention.
In the figure: 1. supporting the side plates; 2. a support rod; 3. a vertical anti-seismic device; 31. an anti-vibration shaft; 32. an annular groove; 33. an annular fork knife; 34. a limiting outer ring; 35. a limit inner ring; 4. a fixed ring plate; 5. a round baffle; 6. a connecting fork; 7. a transverse anti-seismic device; 71. a spring; 72. a support rod; 73. a damping sleeve shell; 74. a first connecting rod; 75. screwing the rod; 76. sleeving a plate; 77. a clamping device is arranged in the device; 771. a clamping sleeve; 772. inserting plate; 773. placing the groove; 774. a built-in sleeve device; 7741. a corrugated casing; 7742. clamping blocks; 7744. a limit groove; a. a double-layer splint device; a1, a side clamping shaft; a2, a magnet is arranged in the magnet; a3, bending the clamping plate; a4, a plastic ring; 775. inscribing the inserted bar; 78. a second connecting rod; 8. and a bracket shaft sleeve.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
As shown in fig. 1-3, the present invention provides a technical solution: the utility model provides a bridge antidetonation support, includes supports curb plate 1, the bottom fixedly connected with bracing piece 2 of supporting curb plate 1, the bottom fixedly connected with vertical antidetonation device 3 of bracing piece 2, the bottom regulation of vertical antidetonation device 3 is connected with fixed ring board 4, the avris department fixedly connected with horizontal antidetonation device 7 of fixed ring board 4 bottom, the bottom fixedly connected with fork 6 of horizontal antidetonation device 7, the middle part fixedly connected with support axle sleeve 8 of fixed ring board 4 bottom, vertical antidetonation device 3 runs through support axle sleeve 8 and extends to the outside of bottom, the bottom fixedly connected with circular baffle 5 of vertical antidetonation device 3; through the four-direction arrangement of the transverse anti-seismic device 7 of the anti-seismic bracket, an effective transverse anti-seismic effect can be achieved.
The vertical vibration-resistant device 3 comprises an annular fork knife 33 and a limiting inner ring 35, wherein the top parts of the annular fork knife 33 and the limiting inner ring 35 are fixedly connected with a limiting outer ring 34, and the upper surface of the limiting outer ring 34 is fixedly connected to the bottom of the supporting rod 2;
the inside cover of antidetonation axle 31 is established in the surface department of bracing piece 2, the surface cover of bracing piece 2 is equipped with the antidetonation axle 31, annular groove 32 has been seted up to the surface of antidetonation axle 31, the inside of annular groove 32 and the surface looks adaptation of annular fork sword 33. When the vertical vibration-resistant device 3 is stressed and pressed, the annular fork blades 33 can be inserted into the annular grooves 32 to achieve a local limiting effect, reduce the compression vibration frequency of the earthquake and achieve a stabilizing effect; meanwhile, when the vertical vibration-resistant device 3 is stressed and stretched, the limiting outer ring 34 can play a role of stretching and limiting, so that the stretching vibration frequency of the earthquake is reduced, and the vibration damage of the bridge caused by the vertical vibration frequency during the earthquake is solved.
The first embodiment has the following working steps:
when the vertical vibration-resistant device 3 is stressed and pressed, the annular fork blades 33 can be inserted into the annular grooves 32 to achieve a local limiting effect, reduce the compression vibration frequency of the earthquake and achieve a stabilizing effect;
and step two, when the vertical vibration-resistant device 3 is stressed and stretched, the limiting outer ring 34 can play a role in stretching and limiting, so that the stretching vibration frequency of the earthquake is reduced, and the vibration damage of the vertical vibration frequency to the bridge during the earthquake is solved.
Example two
As shown in fig. 4-5, on the basis of the first embodiment, the present invention provides a technical solution: the transverse anti-seismic device 7 comprises a built-in clamping device 77, a spring 71 is fixedly connected to a concave part of the outer surface of the built-in clamping device 77, and a support rod 72 is fixedly connected to one end, far away from the built-in clamping device 77, of the spring 71;
the built-in clamping device 77 comprises a built-in sleeve device 774, the top of the built-in sleeve device 774 is fixedly connected inside the built-in clamping device 77, and a plugboard 772 is arranged at the outer surface of the built-in sleeve device 774.
The bottom fixedly connected with shock attenuation cover shell 73 of support pole 72, the top fixedly connected with second connecting rod 78 of built-in screens device 77, the top fixedly connected with of second connecting rod 78 is in the surface department of support axle sleeve 8, the bottom fixedly connected with shock attenuation cover shell 73 of support pole 72.
The side department fixedly connected with of shock attenuation cover shell 73 bottom screws pole 75, the inside sliding connection of screwing pole 75 has the board that cup joints 76, the lower surface fixedly connected with head rod 74 of board 76 that cup joints, the bottom fixed connection of head rod 74 is at the fork 6. The transverse anti-vibration device 7 is installed on a worker, the sleeve plate 76 and the damping sleeve shell 73 can be operated through the fixing screwing rod 75, the effect of the simple dismounting device can be achieved, meanwhile, the spring 71 has a certain buffering effect on the supporting rod 72 and the clamping device 77, and the damage to a support structure caused by heavy weight when the worker treads the anti-vibration support is prevented.
The built-in clamping device 77 further comprises a clamping sleeve 771, the top of the clamping sleeve 771 is fixedly connected to the bottom end of the second connecting rod 78, a placement groove 773 is formed in the outer surface of the clamping sleeve 771, and the inside of the placement groove 773 is matched with the supporting rod 72 and the spring 71.
The inner wall of the clamping sleeve 771 is fixedly connected with an inner inserting rod 775, the inner inserting rod 775 penetrates through the damping sleeve 73 and extends to the inside, and two sides of the bottom of the inner inserting rod 775 are fixedly connected to the surface of the inserting plate 772. When the clamping device 77 is pulled, the damping sleeve shell 73 can provide downward pressure and displacement of the inserting plate 772, so that the two side inserting plates 772 clamp the damping sleeve shell 73, the two side inserting plates 772 bear force in the middle, the internal sleeve device 774 is clamped in a bending manner, the fixing effect of the internal clamping device 77 is improved, and the device is prevented from falling off; when the detent mechanism 77 is compressed, the inner plunger 775 can compress the inner sleeve mechanism 774 inward according to its own structure, thereby relieving the pressure.
The second embodiment has the following working steps:
step one, when the clamping device 77 is pulled, the damping sleeve shell 73 can provide downward pressure and displacement of the inserting plate 772, so that the two side inserting plates 772 clamp the damping sleeve shell 73, the two side inserting plates 772 bear force towards the middle, the internal sleeve device 774 is clamped in a bending manner, the fixing effect of the internal clamping device 77 is improved, and the device is prevented from falling off;
step two, when the clamping device 77 is pressed, the internal connecting rod 775 can compress the internal sleeve device 774 inwards according to the structure of the internal connecting rod 775, so that the effect of releasing pressure is achieved.
Step three, install horizontal antidetonation device 7 at the staff, can operate sleeve board 76 and shock attenuation cover shell 73 through fixed pole 75 of screwing, can reach simple and easy dismounting device's effect, spring 71 has certain cushioning effect to backing lever 72 and screens device 77 simultaneously, prevents that the staff from stepping on the antidetonation support when, and heavy weight causes the destruction to the supporting structure.
Example III
As shown in fig. 6-7, on the basis of the first embodiment and the second embodiment, the present invention provides a technical solution: the internal sleeve device 774 comprises a corrugated sleeve shell 7741, a limit groove 7744 is formed in the outer surface of the corrugated sleeve shell 7741, a clamping block 7742 is arranged in a concave position of the limit groove 7744, the clamping block 7742 penetrates through the corrugated sleeve shell 7741 and extends to an inner cavity, a double-layer clamping plate device a is fixedly connected to the bottom of the clamping block 7742, and the double-layer clamping plate device a is in contact fit with the upper surface of the sleeve joint plate 76.
The double-layer clamping plate device a comprises a side clamping shaft a1, the surface of the side clamping shaft a1 is fixedly connected to the bottom of a clamping block 7742, a bending clamping plate a3 is fixedly connected between opposite faces of the side clamping shaft a1, a built-in magnet a2 is fixedly connected between opposite faces of the bending clamping plate a3, and a plastic ring a4 is fixedly connected to the outer surface of the built-in magnet a 2. Mutual exclusion is carried out between opposite surfaces of the built-in magnet a2, when pressure is applied to two sides of the clamping shaft a1, the built-in magnet a2 in the inside is compressed, and the transverse bulge effect is achieved, so that the fixing area of the double-layer clamping plate device a and the sleeving plate 76 is increased, and the stability of the device is improved.
The third embodiment has the following working steps:
mutual exclusion is carried out between opposite surfaces of the built-in magnet a2, when pressure is applied to two sides of the clamping shaft a1, the built-in magnet a2 in the inside is compressed, and the transverse bulge effect is achieved, so that the fixing area of the double-layer clamping plate device a and the sleeving plate 76 is increased, and the stability of the device is improved.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. The utility model provides a bridge antidetonation support, includes supports curb plate (1), the bottom fixedly connected with bracing piece (2) of supporting curb plate (1), the bottom fixedly connected with vertical antidetonation device (3) of bracing piece (2), its characterized in that: the bottom of the vertical anti-seismic device (3) is provided with a fixed ring plate (4), the side of the bottom of the fixed ring plate (4) is fixedly connected with a transverse anti-seismic device (7), the bottom of the transverse anti-seismic device (7) is fixedly connected with a connecting fork (6), the middle of the bottom of the fixed ring plate (4) is fixedly connected with a bracket shaft sleeve (8), the vertical anti-seismic device (3) penetrates through the bracket shaft sleeve (8) and extends to the outer side of the bottom, and the bottom of the vertical anti-seismic device (3) is fixedly connected with a circular baffle plate (5);
the vertical anti-seismic device (3) comprises an annular fork knife (33), a limiting inner ring (35) and an anti-seismic shaft (31), wherein the top parts of the annular fork knife (33) and the limiting inner ring (35) are fixedly connected with a limiting outer ring (34), and the upper surface of the limiting outer ring (34) is fixedly connected to the bottom of the supporting rod (2);
the transverse anti-seismic device (7) comprises an embedded clamping device (77), a spring (71) is fixedly connected to a concave part of the outer surface of the embedded clamping device (77), and a supporting rod (72) is fixedly connected to one end, far away from the embedded clamping device (77), of the spring (71);
the built-in clamping device (77) comprises a built-in sleeve device (774), the top of the built-in sleeve device (774) is fixedly connected inside the built-in clamping device (77), and a plugboard (772) is arranged at the outer surface of the built-in sleeve device (774);
the built-in sleeve device (774) comprises a corrugated sleeve shell (7741), a limit groove (7744) is formed in the outer surface of the corrugated sleeve shell (7741), a clamping block (7742) is arranged in a concave position of the limit groove (7744), the clamping block (7742) penetrates through the corrugated sleeve shell (7741) and extends to an inner cavity, a double-layer plate adding device (a) is fixedly connected to the bottom of the clamping block (7742), and the double-layer plate adding device (a) is in contact fit with the upper surface of a sleeving plate (76);
the double-layer plate adding device (a) comprises a side clamping shaft (a 1), wherein the surface of the side clamping shaft (a 1) is fixedly connected to the bottom of a clamping block (7742), a bending clamping plate (a 3) is fixedly connected between opposite surfaces of the side clamping shaft (a 1), a built-in magnet (a 2) is fixedly connected between opposite surfaces of the bending clamping plate (a 3), a plastic ring (a 4) is fixedly connected to the outer surface of the built-in magnet (a 2), and mutual exclusion is realized between opposite surfaces of the built-in magnet (a 2);
the bottom of the supporting rod (72) is fixedly connected with a damping sleeve shell (73), the top of the built-in clamping device (77) is fixedly connected with a second connecting rod (78), the top of the second connecting rod (78) is fixedly connected to the outer surface of the bracket shaft sleeve (8), and the bottom of the supporting rod (72) is fixedly connected with the damping sleeve shell (73);
the side of the bottom of the damping sleeve shell (73) is fixedly connected with a screwing rod (75), a sleeve joint plate (76) is slidably connected inside the screwing rod (75), a first connecting rod (74) is fixedly connected to the lower surface of the sleeve joint plate (76), and the bottom of the first connecting rod (74) is fixedly connected to a connecting fork (6);
the built-in clamping device (77) further comprises a clamping sleeve (771), the top of the clamping sleeve (771) is fixedly connected to the bottom end of the second connecting rod (78), a placing groove (773) is formed in the outer surface of the clamping sleeve (771), and the inside of the placing groove (773) is matched with the supporting rod (72) and the spring (71);
the inner wall department fixedly connected with inscription inserted bar (775) of screens cover (771), inscription inserted bar (775) runs through shock attenuation sleeve shell (73) and extends to inside, the both sides of inscription inserted bar (775) bottom are all fixed connection in the surface department of picture peg (772).
2. The bridge anti-seismic bracket of claim 1, wherein: the anti-vibration shaft (31) is internally sleeved at the outer surface of the supporting rod (2), the anti-vibration shaft (31) is sleeved on the outer surface of the supporting rod (2), the outer surface of the anti-vibration shaft (31) is provided with an annular groove (32), and the inner part of the annular groove (32) is matched with the outer surface of the annular fork knife (33).
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| CN202110943865.1A CN113668364B (en) | 2021-08-17 | 2021-08-17 | Bridge anti-seismic support |
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| CN202110943865.1A CN113668364B (en) | 2021-08-17 | 2021-08-17 | Bridge anti-seismic support |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209397478U (en) * | 2018-12-19 | 2019-09-17 | 中国电建集团贵阳勘测设计研究院有限公司 | Bridge anti-seismic device |
| CN211113159U (en) * | 2019-11-11 | 2020-07-28 | 兰州工业学院 | Adjustable bridge anti-seismic support |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100387949B1 (en) * | 2000-10-24 | 2003-06-18 | 우경건설 주식회사 | Apparatus for prevetion falling from upper structure of steel box bridge on simple support and its construction work method |
| CN211550753U (en) * | 2019-12-17 | 2020-09-22 | 江苏圣大中远电力科技有限公司 | Ready-package three-dimensional antidetonation gallows |
| CN213390506U (en) * | 2020-07-02 | 2021-06-08 | 福建辉丰环境工程科技有限公司 | Steel construction with antidetonation function |
| CN213889709U (en) * | 2020-11-26 | 2021-08-06 | 山东龙成检测技术有限公司 | Clamping device capable of rapidly clamping length measuring instrument |
| CN113006285B (en) * | 2021-03-10 | 2022-03-15 | 中建三局集团有限公司 | Multistage shock insulation friction pendulum support with resistance to plucking function |
| CN113186807A (en) * | 2021-05-14 | 2021-07-30 | 台州市博诚凯胜科技有限公司 | A antidetonation damping support for beam type bridge |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209397478U (en) * | 2018-12-19 | 2019-09-17 | 中国电建集团贵阳勘测设计研究院有限公司 | Bridge anti-seismic device |
| CN211113159U (en) * | 2019-11-11 | 2020-07-28 | 兰州工业学院 | Adjustable bridge anti-seismic support |
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