CN115976986A - Anti-seismic protection structure for historic building bridge and installation method - Google Patents

Anti-seismic protection structure for historic building bridge and installation method Download PDF

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Publication number
CN115976986A
CN115976986A CN202310005292.7A CN202310005292A CN115976986A CN 115976986 A CN115976986 A CN 115976986A CN 202310005292 A CN202310005292 A CN 202310005292A CN 115976986 A CN115976986 A CN 115976986A
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China
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mounting
bridge
frame
arc
arch
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CN115976986B (en
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任悦萍
万金红
钱立群
李国美
金建明
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Xinjing Construction Co ltd
China Institute of Water Resources and Hydropower Research
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Xinjing Construction Co ltd
China Institute of Water Resources and Hydropower Research
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/30Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways

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Abstract

The invention discloses an earthquake-proof protection structure for an ancient building bridge and an installation method, which relate to the field of ancient building earthquake resistance and comprise the following steps: the shockproof support mechanism is used for fixing a protection structure and buffering shock and comprises a positioning base; the at least one arched base frame is arranged on the inner side of the shockproof support mechanism and is used for connecting a protective structure; the bridge comprises at least one arched mounting frame, at least one limiting groove and a plurality of elastic pieces, wherein the arched mounting frames are arranged on the inner side of the arched base frame and are used for supporting a bridge and buffering vibration; and the damping ball is arranged at the bottom of the arch-shaped mounting frame and is used for balancing the displacement of the bridge. According to the invention, the anti-vibration support mechanism, the movable frame, the arched base frame and the damping balls are arranged, so that the service life of the historic building bridge is prolonged, and the structural stability of the historic building bridge is maintained.

Description

Anti-seismic protection structure for historic building bridge and installation method
Technical Field
The invention relates to the field of ancient building earthquake resistance, in particular to an earthquake-resistant protection structure for an ancient building bridge and an installation method.
Background
China is the country of the bridge, has a name of the country of the bridge from ancient times, develops at the soul of inertia, and prosperizes in Song. Bridges spread over China are woven into a four-way and eight-reach traffic network, and the traffic network is connected with all the directions of China. The building art of ancient Chinese bridges is a few of the pioneers in the history of bridges in the world, fully displays the extraordinary wisdom and talent of the ancient workers in China.
Ancient building bridge has contained the building culture accumulation of chinese civilization for thousands of years, is the rare cultural treasure of world civilization, nevertheless because ancient building bridge's building time is longer, inside support piece takes place to age and leads to its structure unstability itself to make it easily take place to collapse when enduring vibrations, and current temporary bracing truss's shock-absorbing capacity is not enough, ancient building bridge structure is difficult to get back to original position after vibrations displacement, can't play effectual antidetonation effect to it.
Disclosure of Invention
For solving above-mentioned technical problem, provide an antidetonation protective structure and mounting method for ancient building bridge, this technical scheme has solved the current temporary support truss's that provides in the above-mentioned background art buffer performance is not enough, and ancient building bridge structures are difficult to get back to original position after vibrations displacement, can't play the problem of effectual antidetonation effect to it.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
an earthquake-resistant protective structure for an ancient building bridge, comprising:
the shock-proof support mechanism is used for fixing a protective structure and buffering shock, and comprises a positioning base, wherein the middle part of the positioning base is in threaded connection with an embedded inserted rod, the right side of the positioning base is rotatably connected with a movable shaft, the right end of the movable shaft is rotatably connected with a main damper, the right end of the main damper is rotatably connected with a fixed block, the right end of the fixed block is fixedly connected with a rotating shaft, the right end of the rotating shaft is rotatably connected with an installation base, the bottom of the right end of the positioning base is fixedly connected with an embedded base plate, the upper surface of the right side of the embedded base plate is fixedly connected with at least one buffer spring, the top end of the buffer spring is fixedly connected with a buffer rubber mat, and the buffer rubber mat is abutted against the bottom of the installation base;
the at least one arched base frame is arranged on the inner side of the shockproof support mechanism and is used for connecting a protective structure;
the device comprises at least one arched mounting frame, at least one arched mounting frame and a positioning block, wherein the arched mounting frames are arranged on the inner side of an arched base frame and used for supporting a bridge and buffering vibration, the adjacent arched mounting frames are spliced into a whole, at least one limiting groove is formed in the middle of each arched mounting frame, a guide strip is connected in the limiting groove in a sliding mode, an arc plate is fixedly connected to the top of each guide strip, at least one guide groove is formed in the middle of each arc plate, a guide rail is connected in the guide groove in a sliding mode, a movable frame is fixedly connected to the top of each guide rail, at least one bearing block is fixedly connected to the front side and the rear side of each movable frame, each bearing block is rotatably connected with a longitudinal damper, the bottom end of each longitudinal damper is rotatably connected with the positioning block, and the positioning block is fixedly connected to the inner side of each arched mounting frame;
and the damping ball is arranged at the bottom of the arch-shaped mounting frame and is used for balancing the displacement of the bridge.
Preferably, the pre-buried base plate right side all rotates with the front and back side and is connected with the dwang, dwang tip fixedly connected with movable block, and the movable block openly rotates and is connected with vice attenuator, and the mounting base right side is fixed with the equal fixedly connected with supporting shoe in front and back side, and vice attenuator top is rotated and is connected and is being corresponded supporting shoe surface, mounting base openly has seted up the mounting hole, and mounting base installs through the mounting hole and strengthens the mounting panel.
Preferably, the front side and the rear side of the left end of the arched bed frame are fixedly connected with a reinforced mounting plate, the reinforced mounting plate is in threaded connection with at least one bolt, the front side and the rear side of the right end of the arched bed frame are fixedly connected with a rack connecting plate, the side surface of the rack connecting plate is provided with a positioning hole in a penetrating way, fixed surface is connected with at least one bearing piece on the arch bed frame, and the bearing piece rotates and is connected with the transverse damper, and the transverse damper right-hand member rotates and is connected with the stopper, and stopper fixed connection is adjacent arc tip, arch bed frame bottom fixedly connected with lower support arm, the hole has been seted up in the lower support arm bottom through.
Preferably, arc lower surface butt arch mounting bracket upper surface, adjustable shelf lower surface butt arc upper surface, the equal fixedly connected with butt joint plate in side around the arch mounting bracket both ends, the butt joint plate side runs through and has seted up the butt joint hole, and arch mounting bracket bottom fixedly connected with supporting leg is adjacent the butt joint plate docks each other, and the frame links the board and is adjacent the butt joint plate docks mutually, and the size and the locating hole size in butt joint hole are unanimous, and butt joint hole and locating hole female connection have the screw.
Preferably, the bottom end of the lower support arm is provided with the reinforcing arm, one end of the reinforcing arm, which is far away from the lower support arm, is arranged at the bottom end of the support leg, the bottom end of the support leg is provided with the arc arm, both ends of the arc arm are all penetrated through and provided with screw holes, the middle part of the arc arm is connected with the rigid beam in a sliding manner, both ends of the rigid beam are connected with screw caps in a threaded manner, the middle part of the screw cap is fixedly connected with at least one reinforcing chain, and the bottom of the reinforcing chain is fixedly connected with a damping ball.
The installation method of the anti-seismic protection structure for the ancient building bridge is suitable for the anti-seismic protection structure for the ancient building bridge, and comprises the following steps:
surveying in the field: carrying out field survey on an ancient building bridge needing to be provided with an anti-seismic structure, recording survey data, and designing size data of each structural component according to the survey data;
and (3) component manufacturing: manufacturing each structural component according to the designed dimensional data of each structural component, wherein each structural component comprises a shockproof supporting mechanism, an arched base frame, an arched mounting frame, a reinforced arm, an arc-shaped arm and a damping ball;
and (3) mounting a shockproof supporting mechanism: embedding bases at the positions, located at two sides of a bridge, of two banks of a river bank, embedding and welding the embedded bases on the bases, nailing embedded insertion rods into the river bank, and supporting and fixing the positioning bases;
installing an arch base frame: the reinforced mounting plate is in butt joint with the mounting base and arranged on the lower surface of the bridge, a certain distance is formed between the reinforced mounting plate and the lower surface of the bridge, the distance is used for accommodating a transverse damper, bolts are screwed in the reinforced mounting plate and the mounting holes, and the arched base frame is fixed on the shockproof support mechanism;
installing an arch mounting rack: the arch-shaped mounting frames are butted at the inner sides of the arch-shaped base frames according to a design drawing, the arch-shaped mounting frames are arranged on the lower surface of the bridge, a certain distance is reserved between the arch-shaped mounting frames and the lower surface of the bridge, the distance is used for accommodating the movable frames and the arc-shaped plates, the positioning holes and the butting holes are aligned with each other, screws are screwed into the positioning holes and the butting holes, the arch-shaped mounting frames are fixed on the arch-shaped base frames, the arch-shaped mounting frames are butted with each other in sequence according to the design drawing, the butting holes are butted with each other, the screws are screwed into the butting holes, and the arch-shaped mounting frames are fixed;
and (3) mounting a strengthening arm: the strengthening arm is butted on the lower support arm and the adjacent support leg, screws are screwed into two ends of the strengthening arm, and the strengthening arm is fixed at the bottom ends of the lower support arm and the support leg;
installing an arc-shaped arm: the arc-shaped arm is butted at the bottom end of the adjacent supporting leg, a screw is screwed in a screw hole of the arc-shaped arm, and the arc-shaped arm is fixed at the bottom end of the supporting leg;
and (3) mounting a damping ball: the damping ball is welded in the middle of the rigid beam through the reinforcing chain, the rigid beam is inserted in the middle of the arc-shaped arm, and nuts are arranged at two ends of the rigid beam;
and after the installation is finished, detecting the earthquake-resistant structure.
Preferably, the surface of the arched base frame is provided with a transverse damper, and the limiting block is welded at the end part of the adjacent arc-shaped plate.
Preferably, adjustable shelf and arc stack in advance on the arch mounting bracket, and the adjustable shelf upper surface butt is in the bridge lower surface, and the inside front and back side butt of adjustable shelf is in the side surface around the bridge.
Preferably, a certain distance is reserved between the movable frame and the arched mounting frame, and the distance is used for mounting the longitudinal damper.
Preferably, the earthquake-resistant structure detection specifically comprises: and (3) carrying out anti-seismic detection on the assembled anti-seismic structure, using manpower shaking or powerful machine shaking, and checking the installation effect of the assembly.
Compared with the prior art, the invention provides an anti-seismic protection structure for an ancient building bridge and an installation method, and the anti-seismic protection structure has the following beneficial effects:
through setting up shockproof supporting mechanism, adjustable shelf, arch bed frame and damping ball, support the bridge, reduce the load of its self gravity, simultaneously, can strengthen antidetonation protective structure's shock-absorbing capacity, whole antidetonation protective structure can follow the not equidirectional vibrations of bridge, produces the displacement to can make bridge construction can resume the normal position after vibrations, thereby reduce vibrations to the loss of bridge, and then promote the life of ancient building bridge, maintain the stability of its structure.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic structural view of the anti-vibration support mechanism of the present invention;
FIG. 3 is an exploded view of the arcuate mount of the present invention;
FIG. 4 is a schematic view of the mounting structure of the arc arm and the damping ball of the present invention;
FIG. 5 is a schematic view of the arched base structure of the present invention;
the reference numbers in the figures are:
101. a reinforcing arm; 102. an arc-shaped arm; 103. a rigid beam; 104. a screw hole; 105. a nut; 106. a reinforcing chain; 107. a damping ball; 108. reinforcing the mounting plate; 109. a bolt; 110. an arched base frame; 111. a frame connecting plate; 112. positioning holes; 113. a limiting block; 114. a lateral damper; 115. a bearing block; 116. a lower support arm; 117. a hole;
200. a shockproof support mechanism; 201. a positioning base; 202. embedding the inserted bar in advance; 203. a movable shaft; 204. a main damper; 205. a fixed block; 206. a rotating shaft; 207. mounting a base; 208. mounting holes; 209. a support block; 210. a secondary damper; 211. a movable block; 212. rotating the rod; 213. a buffer spring; 214. a cushion rubber pad; 215. pre-burying a substrate;
301. a movable frame; 302. a bearing block; 303. positioning blocks; 304. a longitudinal damper; 305. a guide rail; 306. an arc-shaped plate; 307. a guide strip; 308. a guide groove; 309. a butt joint hole; 310. a limiting groove; 311. an arched mounting rack; 312. supporting legs; 313. and (7) butting plates.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
Referring to fig. 1-5, an earthquake-proof protection structure for an ancient building bridge and an installation method thereof comprise:
the shockproof supporting mechanism 200 comprises a positioning base 201, the middle of the positioning base 201 is in threaded connection with an embedded inserted rod 202, the right side of the positioning base 201 is rotatably connected with a movable shaft 203, the right end of the movable shaft 203 is rotatably connected with a main damper 204, the right end of the main damper 204 is rotatably connected with a fixed block 205, the right end of the fixed block 205 is fixedly connected with a rotating shaft 206, the right end of the rotating shaft 206 is rotatably connected with an installation base 207, the bottom of the right end of the positioning base 201 is fixedly connected with an embedded substrate 215, the upper surface of the right side of the embedded substrate 215 is fixedly connected with at least one buffer spring 213, the top end of the buffer spring 213 is fixedly connected with a buffer rubber cushion 214, and the buffer rubber cushion 214 abuts against the bottom of the installation base 207;
the shockproof support mechanism 200 cushions and supports the overall movement of the bridge, the bridge is connected with the shockproof support mechanism 200 through the arched base frame 110, the whole support force of the shockproof support mechanism 200 comes from the shockproof support mechanism, when the bridge shakes, the mounting base 207 can be driven to move, the mounting base 207 can drive the buffer rubber cushion 214 to generate certain displacement, when the mounting base 207 displaces, the main damper 204 and the auxiliary damper 210 can absorb the energy generated by the displacement, the displacement amplitude is reduced, and finally the bridge swings back to the original position along with the gradual reduction of the bridge shake;
at least one arched base frame 110, which is arranged inside the shockproof supporting mechanism 200, wherein the arched base frame 110 is used for connecting a protective structure, and the arched base frame 110 is not in direct contact with the bridge and only provides the functions of supporting and conducting force;
the bridge-type shock absorber comprises at least one arched mounting rack 311 arranged on the inner side of an arched base frame 110, the arched mounting racks 311 are used for supporting a bridge and buffering shock, the adjacent arched mounting racks 311 are spliced into a whole, at least one limiting groove 310 is formed in the middle of each arched mounting rack 311, a guide strip 307 is connected in the limiting groove 310 in a sliding mode, an arc plate 306 is fixedly connected to the top of the guide strip 307, at least one guide groove 308 is formed in the middle of the arc plate 306, a guide rail 305 is connected in the guide groove 308 in a sliding mode, a movable frame 301 is fixedly connected to the top of the guide rail 305, at least one bearing block 302 is fixedly connected to the front side and the rear side of the movable frame 301, a longitudinal damper 304 is rotatably connected to the bearing block 302, a positioning block 303 is rotatably connected to the bottom end of the longitudinal damper 304, and the positioning block 303 is fixedly connected to the inner side of the arched mounting racks 311;
the movable frame 301 on the arched mounting frame 311 is used for balancing the longitudinal vibration of the bridge, the longitudinal damper 304 is used for absorbing the longitudinal vibration of the bridge for the first time, and finally the vibration is transmitted to the shockproof support mechanism 200 through the arched mounting frame 311 and the arched base frame 110;
the arc-shaped plate 306 is used for balancing the transverse vibration of the bridge, and the arc-shaped plate 306 is transmitted to the arched base frame 110 through the transverse damper 114 along with the transverse vibration of the bridge and is finally transmitted to the shockproof support mechanism 200;
at least one damping ball 107 is arranged at the bottom of the arched mounting rack 311, the damping ball 107 is used for balancing the displacement of the bridge, when the vibration force of the bridge is too large, the vibration force is balanced by the shockproof supporting mechanism 200 and is not enough to absorb all vibration, the large inertia of the damping ball 107 is used for balancing and absorbing the too large vibration force when the bridge vibrates, the stability of the whole device is maintained, the amplitude of the shaking of the whole device is limited within a small range, and the shockproof supporting mechanism 200 can balance the vibration of the whole device within the range.
Specifically, the right side and the front and back sides of the embedded substrate 215 are both rotatably connected with a rotating rod 212, the end part of the rotating rod 212 is fixedly connected with a movable block 211, the movable block 211 is rotatably connected with an auxiliary damper 210 in the front, the right side of the mounting base 207 is fixed with a supporting block 209 fixedly connected with the front and back sides, the top end of the auxiliary damper 210 is rotatably connected with the surface of the supporting block 209, the mounting base 207 is provided with a mounting hole 208 in the front, and the mounting base 207 is provided with a reinforced mounting plate 108 through the mounting hole 208.
The equal fixedly connected with of arch bed frame 110 left end front and back side strengthens mounting panel 108, strengthens mounting panel 108 threaded connection and has at least one bolt 109, the equal fixedly connected with frame even board 111 of arch bed frame 110 right end front and back side, the frame is even the board 111 side and is run through and has been seted up locating hole 112, fixed surface is connected with at least one bearing piece 115 on the arch bed frame 110, bearing piece 115 rotates and is connected with transverse damper 114, transverse damper 114 right-hand member rotates and is connected with stopper 113, stopper 113 fixed connection is adjacent arc board 306 tip, support arm 116 under the fixedly connected with of arch bed frame 110 bottom, lower support arm 116 bottom is run through and has been seted up hole 117.
Arc 306 lower surface butt arch mounting bracket 311 upper surface, adjustable shelf 301 lower surface butt arc 306 upper surface, the equal fixedly connected with of side to the butt joint board 313 around the arch mounting bracket 311 both ends, and the butt joint hole 309 has been run through to the butt joint board 313 side, and arch mounting bracket 311 bottom fixedly connected with supporting leg 312 is adjacent butt joint board 313 docks each other, and the frame links board 111 and adjacent butt joint board 313 docks mutually, and the size and the locating hole 112 size of butt joint hole 309 are unanimous, and butt joint hole 309 and locating hole 112 female connection have the screw.
Strengthen arm 101 is installed to lower support arm 116 bottom, strengthen arm 101 and keep away from the one end of lower support arm 116 and install in support leg 312 bottom, arc arm 102 is installed to support leg 312 bottom, arc arm 102 both ends are all run through and have been seted up screw 104, arc arm 102 middle part sliding connection has stiff beam 103, stiff beam 103 both ends threaded connection has nut 105, nut 105 middle part fixedly connected with strengthens chain 106 at least one, strengthen chain 106 bottom fixedly connected with damping ball 107.
The installation method of the anti-seismic protection structure for the ancient building bridge is suitable for the anti-seismic protection structure for the ancient building bridge, and comprises the following steps:
surveying in the field: carrying out field survey on an ancient building bridge needing to be provided with an anti-seismic structure, recording survey data, and designing size data of each structural component according to the survey data;
and (3) component manufacturing: manufacturing each structural component according to the designed dimensional data of each structural component, wherein each structural component comprises an anti-vibration supporting mechanism 200, an arched base frame 110, an arched mounting frame 311, a reinforcing arm 101, an arc-shaped arm 102 and a damping ball 107;
the shockproof support mechanism 200 is installed: embedding bases at the positions of two banks of the river bank on two sides of the bridge, embedding and welding the embedded base plate 215 on the bases, nailing the embedded insertion rods 202 into the river bank, and supporting and fixing the positioning base 201;
the arched base frame 110 is installed: the reinforced mounting plates 108 are butted with the mounting base 207, the reinforced mounting plates 108 are arranged on the lower surface of the bridge, a certain distance is reserved between the reinforced mounting plates 108 and the lower surface of the bridge, the distance is used for accommodating the transverse damper 114, the bolts 109 are screwed into the reinforced mounting plates 108 and the mounting holes 208, and the arched base frame 110 is fixed on the shockproof support mechanism 200;
the arch mounting rack 311 is installed: the arch-shaped mounting frames 311 are butted at the inner sides of the arch-shaped base frames 110 according to a design drawing, the arch-shaped mounting frames 311 are arranged on the lower surface of the bridge, a certain distance exists between the arch-shaped mounting frames 311 and the lower surface of the bridge, the distance is used for accommodating the movable frame 301 and the arc-shaped plates 306, the positioning holes 112 and the butting holes 309 are aligned with each other, screws are screwed into the positioning holes 112 and the butting holes 309, the arch-shaped mounting frames 311 are fixed on the arch-shaped base frames 110, the arch-shaped mounting frames 311 are butted with each other in sequence according to the design drawing, the butting holes 309 are butted with each other, screws are screwed into the butting holes 309, and the arch-shaped mounting frames 311 are fixed;
the reinforcing arm 101 is installed: the strengthening arm 101 is butted on the lower support arm 116 and the adjacent support leg 312, screws are screwed into two ends of the strengthening arm 101, and the strengthening arm 101 is fixed at the bottom ends of the lower support arm 116 and the support leg 312;
the arc-shaped arm 102 is installed: the arc-shaped arm 102 is butted with the bottom end of the adjacent supporting leg 312, a screw is screwed into the screw hole 104 of the arc-shaped arm 102, and the arc-shaped arm 102 is fixed at the bottom end of the supporting leg 312;
damping ball 107 mounting: the damping ball 107 is welded in the middle of the rigid beam 103 through a reinforcing chain 106, the rigid beam 103 is inserted in the middle of the arc-shaped arm 102, and nuts 105 are arranged at two ends of the rigid beam 103;
and after the installation is finished, detecting the earthquake-resistant structure.
The arched base frame 110 is surface-mounted with a lateral damper 114, the limiting block 113 is welded at the end part adjacent to the arc-shaped plate 306.
The movable frame 301 and the arc-shaped plates 306 are stacked on the arch-shaped mounting frame 311 in advance, the upper surface of the movable frame 301 abuts against the lower surface of the bridge, and the front side and the rear side of the interior of the movable frame 301 abut against the front side and the rear side surfaces of the bridge.
There is a space between the movable frame 301 and the arched mounting frame 311, which space is used for mounting the longitudinal damper 304.
The earthquake-resistant structure detection specifically comprises: and (4) performing anti-seismic detection on the assembled anti-seismic structure, and checking the installation effect of the assembly by using manpower shaking or powerful machine shaking.
The working principle and the using process of the invention are as follows: through setting up shockproof supporting mechanism 200, adjustable shelf 301, arch bed frame 110 and damping ball 107, support the bridge, reduce the load of its self gravity, and simultaneously, can strengthen antidetonation protective structure's shock-absorbing capacity, the not equidirectional vibrations of bridge can be followed to whole antidetonation protective structure, produce the displacement, and can make bridge construction resume the normal position after vibrations, thereby reduce the loss of vibrations to the bridge, and then promote the life of ancient building bridge, maintain the stability of its structure.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. An earthquake-resistant protective structure for an ancient building bridge, comprising:
the shockproof support mechanism (200) is used for fixing a protection structure and buffering vibration, the shockproof support mechanism (200) comprises a positioning base (201), the middle part of the positioning base (201) is in threaded connection with an embedded inserted rod (202), the right side of the positioning base (201) is rotatably connected with a movable shaft (203), the right end of the movable shaft (203) is rotatably connected with a main damper (204), the right end of the main damper (204) is rotatably connected with a fixed block (205), the right end of the fixed block (205) is fixedly connected with a rotating shaft (206), the right end of the rotating shaft (206) is rotatably connected with an installation base (207), the bottom of the right end of the positioning base (201) is fixedly connected with an embedded base plate (215), the upper surface of the right side of the embedded base plate (215) is fixedly connected with at least one buffer spring (213), the top end of the buffer spring (213) is fixedly connected with a buffer rubber pad (214), and the buffer rubber pad (214) is abutted to the bottom of the installation base (207);
at least one arched base frame (110) arranged inside the shockproof support mechanism (200), wherein the arched base frame (110) is used for connecting a protective structure;
the bridge buffer structure comprises at least one arched mounting rack (311) arranged on the inner side of an arched base frame (110), the arched mounting rack (311) is used for supporting a bridge and buffering vibration, the adjacent arched mounting racks (311) are spliced into a whole, at least one limiting groove (310) is formed in the middle of the arched mounting rack (311), a guide strip (307) is connected in the limiting groove (310) in a sliding mode, an arc plate (306) is fixedly connected to the top of the guide strip (307), at least one guide groove (308) is formed in the middle of the arc plate (306), a guide rail (305) is connected in the guide groove (308) in a sliding mode, a movable frame (301) is fixedly connected to the top of the guide rail (305), at least one bearing block (302) is fixedly connected to the front side and the rear side of the movable frame (301), the bearing block (302) is rotatably connected with a longitudinal damper (304), the bottom end of the longitudinal damper (304) is rotatably connected with a positioning block (303), and the positioning block (303) is fixedly connected to the inner side of the arched mounting rack (311);
at least one damping ball (107) is arranged at the bottom of the arch-shaped mounting frame (311), and the damping ball (107) is used for balancing the displacement of the bridge.
2. An earthquake-resistant protection structure for ancient building bridges according to claim 1, characterized in that: all rotate with the front and back side on pre-buried base plate (215) right side and be connected with dwang (212), dwang (212) tip fixedly connected with movable block (211), movable block (211) openly rotate and are connected with vice attenuator (210), and mounting base (207) right side is fixed with the equal fixedly connected with supporting shoe (209) of front and back side, and vice attenuator (210) top is rotated and is connected and is being corresponded supporting shoe (209) surface, mounting hole (208) have openly been seted up in mounting base (207), and mounting base (207) install through mounting hole (208) and strengthen mounting panel (108).
3. An earthquake-resistant protection structure for ancient building bridges according to claim 2, wherein: the utility model discloses an arch bed frame, including arc bed frame (110), all fixedly connected with of side strengthens mounting panel (108) around the arch bed frame (110) left end, strengthen mounting panel (108) threaded connection have at least one bolt (109), the equal fixedly connected with frame link board (111) of side around arch bed frame (110) right-hand member, frame link board (111) side is run through and has been seted up locating hole (112), fixed surface is connected with at least one bearing piece (115) on arch bed frame (110), bearing piece (115) rotate and are connected with transverse damper (114), transverse damper (114) right-hand member rotates and is connected with stopper (113), stopper (113) fixed connection is adjacent arc board (306) tip, arch bed frame (110) bottom fixedly connected with is lower support arm (116), lower support arm (116) bottom is run through and has been seted up hole (117).
4. An earthquake-resistant protection structure for ancient building bridges according to claim 3, characterized in that: arc (306) lower surface butt arc mounting bracket (311) upper surface, adjustable shelf (301) lower surface butt arc (306) upper surface, the equal fixedly connected with docking plate (313) of side around arch mounting bracket (311) both ends, and docking hole (309) have been seted up in docking plate (313) side run through, and arch mounting bracket (311) bottom fixedly connected with supporting leg (312), adjacent docking plate (313) dock each other, and frame even board (111) and adjacent docking plate (313) dock, and the size and locating hole (112) size of docking hole (309) are unanimous, and docking hole (309) and locating hole (112) female connection have the screw.
5. An earthquake-resistant protection structure for ancient building bridges according to claim 4, characterized in that: strengthen arm (101) down is installed to support arm (116) bottom, strengthen arm (101) and keep away from the one end of lower support arm (116) and install in support leg (312) bottom, arc arm (102) are installed to support leg (312) bottom, screw (104) have all been run through at arc arm (102) both ends, arc arm (102) middle part sliding connection has rigid beam (103), rigid beam (103) both ends threaded connection has nut (105), at least one of nut (105) middle part fixedly connected with strengthens chain (106), strengthen chain (106) bottom fixedly connected with damping ball (107).
6. An installation method of an earthquake-proof protection structure of an ancient building bridge, which is suitable for the earthquake-proof protection structure for the ancient building bridge according to any one of claims 1 to 5, and is characterized by comprising the following steps:
surveying in the field: carrying out field survey on an ancient building bridge needing to be provided with an anti-seismic structure, recording survey data, and designing size data of each structural component according to the survey data;
and (3) component manufacturing: manufacturing each structural component according to the designed dimensional data of each structural component, wherein each structural component comprises a shockproof supporting mechanism (200), an arched base frame (110), an arched mounting frame (311), a reinforcing arm (101), an arc-shaped arm (102) and a damping ball (107);
the shockproof support mechanism (200) is installed: embedding bases at positions, located at two sides of a bridge, of two banks of a river bank, embedding and welding an embedded base plate (215) on the bases, nailing embedded insertion rods (202) into the river bank, and supporting and fixing a positioning base (201);
the installation of an arched base frame (110): the reinforced mounting plate (108) is butted with the mounting base (207), the reinforced mounting plate (108) is arranged on the lower surface of the bridge, a certain distance exists between the reinforced mounting plate (108) and the lower surface of the bridge, the distance is used for accommodating a transverse damper (114), bolts (109) are screwed into the reinforced mounting plate (108) and the mounting holes (208), and the arched base frame (110) is fixed on the shockproof support mechanism (200);
the arch mounting rack (311) is mounted: the arch-shaped mounting frames (311) are butted at the inner side of the arch-shaped base frame (110) according to a design drawing, the arch-shaped mounting frames (311) are arranged on the lower surface of the bridge, a certain distance exists between the arch-shaped mounting frames (311) and the lower surface of the bridge, the distance is used for accommodating the movable frame (301) and the arc-shaped plate (306), the positioning holes (112) and the butting holes (309) are aligned with each other, screws are screwed into the positioning holes (112) and the butting holes (309), the arch-shaped mounting frames (311) are fixed on the arch-shaped base frame (110), the arch-shaped mounting frames (311) are butted with each other in sequence according to the design drawing, the butting holes (309) are butted with each other, screws are screwed into the butting holes (309), and the arch-shaped mounting frames (311) are fixed;
the reinforcing arm (101) is installed: the strengthening arm (101) is butted on the lower support arm (116) and the adjacent support leg (312), screws are screwed into two ends of the strengthening arm (101), and the strengthening arm (101) is fixed at the bottom ends of the lower support arm (116) and the support leg (312);
the arc-shaped arm (102) is installed: the arc-shaped arm (102) is butted at the bottom end of the adjacent supporting leg (312), a screw is screwed in the screw hole (104) of the arc-shaped arm (102), and the arc-shaped arm (102) is fixed at the bottom end of the supporting leg (312);
damping ball (107) mounting: the damping ball (107) is welded in the middle of the rigid beam (103) through a reinforcing chain (106), the rigid beam (103) is inserted in the middle of the arc-shaped arm (102), and nuts (105) are arranged at two ends of the rigid beam (103);
and after the installation is finished, detecting the earthquake-resistant structure.
7. The installation method of the ancient building bridge earthquake-proof protection structure according to claim 6, wherein the installation method comprises the following steps: the surface of the arched base frame (110) is provided with a transverse damper (114), and a limiting block (113) is welded at the end part of the adjacent arc-shaped plate (306).
8. The installation method of the ancient building bridge earthquake-proof protection structure according to claim 6, wherein the installation method comprises the following steps: the movable frame (301) and the arc-shaped plates (306) are stacked on the arch-shaped mounting frame (311) in advance, the upper surface of the movable frame (301) abuts against the lower surface of the bridge, and the front side and the rear side of the interior of the movable frame (301) abut against the front side and the rear side surfaces of the bridge.
9. The installation method of the ancient building bridge earthquake-proof protection structure according to claim 6, wherein the installation method comprises the following steps: a certain distance is reserved between the movable frame (301) and the arched mounting frame (311), and the distance is used for mounting the longitudinal damper (304).
10. The installation method of the ancient building bridge earthquake-proof protection structure according to claim 6, wherein: the earthquake-resistant structure detection specifically comprises the following steps: and (3) carrying out anti-seismic detection on the assembled anti-seismic structure, using manpower shaking or powerful machine shaking, and checking the installation effect of the assembly.
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