CN109056505B - Bridge anti-seismic limiting device convenient to replace - Google Patents
Bridge anti-seismic limiting device convenient to replace Download PDFInfo
- Publication number
- CN109056505B CN109056505B CN201811195082.4A CN201811195082A CN109056505B CN 109056505 B CN109056505 B CN 109056505B CN 201811195082 A CN201811195082 A CN 201811195082A CN 109056505 B CN109056505 B CN 109056505B
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- groove
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- 238000013016 damping Methods 0.000 claims description 34
- 238000009434 installation Methods 0.000 claims description 5
- 230000003139 buffering effect Effects 0.000 abstract description 3
- 230000035939 shock Effects 0.000 description 9
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 239000004927 clay Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
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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
- E01D19/04—Bearings; Hinges
- E01D19/041—Elastomeric bearings
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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
Abstract
Bridge anti-seismic limiting device convenient to replace comprises: the pier, the mounting groove has been seted up to the topside of pier, and one side of mounting groove is the opening setting, and movable mounting has the mounting box in the mounting groove, and the topside of mounting box is the opening setting, and fixed mounting has two fixed blocks on the bottom side inner wall of mounting box, and the L template is installed in the equal rotation of topside of two fixed blocks, and the top side of two L templates all extends outside the mounting groove and movable mounting has same backup pad, and the top side movable mounting of backup pad has the bridge body, and one side that two L templates kept away from each other all rotates and installs the pull rod. The invention can effectively improve the vibration received by the bridge body during earthquake through multistage buffering, thereby ensuring the earthquake resistance of the bridge body, prolonging the service life of the bridge body, and simultaneously the mounting box can be conveniently detached and replaced, thereby further improving the earthquake resistance of the bridge body.
Description
Technical field:
the invention relates to the technical field of bridge earthquake resistance, in particular to a bridge earthquake resistance limiting device convenient to replace.
The background technology is as follows:
the damage to the bridge caused by the earthquake is mainly caused by the earth surface damage and the damage to the bridge caused by the earthquake, the collapse, the bank slope sliding and the mountain stone rolling caused by the strong earthquake are caused at the steep mountain area or the sand and soft clay river bank, the bridge is damaged, the sand is liquefied easily caused by the earthquake action at the shallow saturated and loose sand areas, the bridge is suddenly or unevenly sunk, and even the bridge is dumped, the phenomena of bank slope sliding, cracking, collapse and the like are caused by the earthquake at the slope soil bank or the ancient river channel, the bridge is damaged due to the bridge vibration caused by the earthquake, and the damage of bridge components are caused even the bridge collapse.
The utility model discloses a bridge anti-seismic stop device for CN205000236U, at least, including the interval set up in a plurality of roof beam body built-in fittings in the roof beam body web outside and set up in a plurality of pier stud built-in fittings in the pier stud outside, roof beam body built-in fitting with pier stud built-in fitting one-to-one sets up, roof beam body built-in fitting with pier stud built-in fitting respectively through penetrating anchor bolt fixed set up in the roof beam body with on the pier stud, but this device can not offset vibrations through multistage buffering for the anti-seismic performance of bridge is poor, and anti-seismic stop device is inconvenient for changing simultaneously, makes it can not obtain fine maintenance and repair, has reduced the anti-seismic performance of bridge.
The invention comprises the following steps:
in view of this, it is necessary to design a bridge anti-seismic limiting device which is convenient to replace and is efficient and high in quality processing aiming at the specificity of the suspended cable membrane structure.
Bridge anti-seismic limiting device convenient to replace comprises: the pier, the mounting groove has been seted up to the topside of pier, one side of mounting groove is the opening setting, movable mounting has the mounting box in the mounting groove, the topside of mounting box is the opening setting, fixed mounting has two fixed blocks on the bottom side inner wall of mounting box, the homonymy of two fixed blocks all rotates and installs the L template, the homonymy of two L templates all extends to the mounting groove outside and movable mounting has same backup pad, the topside movable mounting of backup pad has the bridge body, the one side that two L templates kept away from each other all rotates and installs the pull rod, the one end that two pull rods kept away from each other all rotates and installs the connecting plate, equal fixed mounting has the supporting shoe on the both sides inner wall of mounting box, the expansion groove has all been seted up to one side that two supporting shoes are close to each other, equal movable mounting has the telescopic link in the two side that two telescopic link are close to each other, the one end that two telescopic link are close to each other extends respectively outside two telescopic link and is on one side that two connecting plates kept away from each other, be equipped with fixed mounting on the two fixed box on the inner wall of mounting bottom side inner wall, the both sides of mounting box has the movable mounting hole that two movable mounting holes are all kept away from each other, the two movable mounting holes have the two wedge-shaped plates that the two side are all moved to be located the two side, the two wedge-shaped mounting holes are all arranged in the two side that the two movable mounting holes are all movable mounting hole, the two wedge-shaped plate is all in the side that move away from each other.
Preferably, the both sides of mounting groove all are equipped with the shock attenuation groove of seting up on the pier top side, and two shock attenuation inslot all movable mounting have the shock strut, and the top of two shock attenuation posts extends respectively outside two shock attenuation grooves and equal fixed mounting is on the bottom side of bridge body.
Preferably, the limiting grooves are formed in the inner walls of the two sides of the damping groove, the same damping block is movably mounted in the two limiting grooves, the bottom end of the damping column is fixedly mounted on the top side of the damping block, one end of the first spring is fixedly mounted on the bottom side of the damping block, and the other end of the first spring is fixedly mounted on the inner wall of the bottom side of the limiting groove.
Preferably, the both sides of L template all are equipped with the bolt hole of seting up in backup pad top side, and equal movable mounting has the bolt in two bolt holes, and outside the both ends of bolt all extended to the bolt hole, the top fixed mounting of bolt was on the bottom side of bridge body, and the screw cap that is located the backup pad below has been cup jointed to the screw thread on the bolt.
Preferably, both sides of roof all are equipped with the sliding tray of seting up in the backup pad downside, equal movable mounting has the sliding block in two sliding trays, the top side of two L templates rotates respectively and installs on the downside of two sliding blocks, the through-hole that is located the sliding tray has all been seted up to one side that two sliding blocks are close to each other, movable mounting has the slip post in the through-hole, the both ends of slip post all extend to outside the through-hole and respectively fixed mounting on the both sides inner wall of sliding tray, the one end that one side that two sliding blocks kept away from each other is equal fixed mounting of one side that two sliding blocks kept away from each other has the pulling spring, the one end that two pulling springs kept away from each other is fixed mounting respectively on one side inner wall that two sliding tray kept away from each other.
Preferably, the top side and the bottom side inner walls of the telescopic groove are respectively provided with a first sliding groove, the same first sliding block is arranged in the two first sliding grooves in a sliding mode, one end of the telescopic rod, which is far away from the connecting plate, is fixedly arranged on one side, which is close to the connecting plate, of the first sliding block, one end of the second spring is fixedly arranged on one side, which is far away from the connecting plate, of the first sliding block, and the other end of the second spring is fixedly arranged on the inner wall, which is far away from the connecting plate, of the first sliding groove.
Preferably, the inner walls of the two sides of the moving groove are provided with second sliding grooves, the same second sliding block is arranged in the two second sliding grooves in a sliding mode, and the bottom end of the moving rod is rotatably arranged on the top side of the second sliding block.
Preferably, rollers are movably mounted at four corners of the bottom side of the mounting box, and the rollers are contacted with the inner wall of the bottom side of the mounting groove.
Preferably, one side fixed mounting of installation case has the dead lever, and the dead lever is gone up the activity and is cup jointed the locating lever, has been seted up the constant head tank on the bottom side inner wall of mounting groove, and in the bottom of locating lever extended to the constant head tank, the rotation hole has been seted up to one side of locating lever, and the one end of dead lever runs through the rotation hole.
Preferably, two moving holes are formed in the top side of the fixed box, and the top ends of the two moving rods penetrate through the two moving holes respectively.
In the invention, the bridge anti-seismic limiting device convenient to replace is matched with bridge pier, bridge body, mounting groove, mounting box, fixing block, L-shaped plate, supporting plate, pull rod, connecting plate, supporting block, telescopic groove, telescopic rod, first sliding groove, first sliding block, sliding groove, sliding block, through hole, sliding column, fixing rod, damping groove, damping column, limiting groove, damping block, rotating hole and pulling spring for use, when the bridge body is vibrated, the two damping columns are driven to move at first, the damping columns are driven to move to drive the first spring to shrink under the stress of the damping blocks, at the moment, part of vibration is counteracted by the rebound force of the first spring, meanwhile, the bridge body is driven to move by vibration to drive the supporting plate, the two L-shaped plates are driven to rotate by the movement of the supporting plate, the two L-shaped plates are respectively driven to move, the two sliding blocks are respectively driven to drive the two pulling springs to stretch under the stress, at the moment, under the reverse acting force of the pulling spring, partial vibration is counteracted, the L-shaped plate rotates to drive the pull rod to move, the pull rod moves to drive the connecting plate to move, the connecting plate moves to drive the telescopic rod to move, the telescopic rod moves to enable the second spring to be stressed and stretched through the first sliding block, at the moment, the L-shaped plate rotates reversely under the reverse acting force of the second spring, the supporting plate can support the bridge body, the L-shaped plate rotates to pull the movable rod to move through the bridge pier, the bridge body, the mounting groove, the mounting box, the fixed block, the L-shaped plate, the fixed box, the movable hole, the movable rod, the wedge block, the movable groove, the movable rod, the movable hole, the second sliding groove, the second sliding block, the top plate, the sliding groove, the sliding block, the through hole, the sliding column, the fixed rod, the positioning groove, the bolt hole, the bolt and the nut, the movable rod moves to drive the movable rod to move upwards along the inclined surface of the wedge block, so that the top plate effectively supports the supporting plate, the anti-seismic performance of the bridge body can be effectively improved, when the bridge body needs to be disassembled, the nut is rotated to separate from the bolt, then the positioning rod is rotated to separate the bottom end of the positioning rod from the positioning groove, the supporting plate is pressed, and then the mounting box is pulled to move out of the mounting groove;
the invention can effectively improve the vibration received by the bridge body during earthquake through multistage buffering, thereby ensuring the earthquake resistance of the bridge body, prolonging the service life of the bridge body, and simultaneously the mounting box can be conveniently detached and replaced, thereby further improving the earthquake resistance of the bridge body.
Description of the drawings:
FIG. 1 is a schematic side view of a bridge anti-seismic stop device with easy replacement according to the present invention;
fig. 2 is a schematic structural view of a portion a in fig. 1 of a bridge anti-seismic limiting device with easy replacement according to the present invention;
FIG. 3 is a schematic diagram of a front view of the connection between a wedge block and a movable rod of a bridge anti-seismic stop device for easy replacement;
fig. 4 is a schematic structural view of a portion B in fig. 1 of a bridge anti-seismic limiting device with easy replacement according to the present invention;
fig. 5 is a schematic front view of a bridge anti-seismic limiting device with easy replacement according to the present invention.
In the figure: the bridge comprises a bridge pier 1, a bridge body 2, a mounting groove 3, a mounting box 4, a fixing block 5, a 6L-shaped plate, a 7 supporting plate, a 8 pull rod, a 9 connecting plate, a 10 supporting block, a 11 telescopic groove, a 12 telescopic rod, a 13 first sliding groove, a 14 first sliding block, a 15 fixing box, a 16 movable hole, a 17 movable rod, a 18 wedge block, a 19 movable groove, a 20 movable rod, a 21 movable hole, a 22 second sliding groove, a 23 second sliding block, a 24 top plate, a 25 sliding groove, a 26 sliding block, a 27 through hole, a 28 sliding column, a 29 fixing rod, a 30 positioning rod, a 31 positioning groove, a 32 bolt hole, a 33 bolt, a 34 nut, a 35 damping groove, a 36 damping column, a 37 limiting groove, a 38 damping block, a 39 rotating hole and a 40 pulling spring.
The specific embodiment is as follows:
1-5, a bridge anti-seismic stop device convenient to replace, comprising: the bridge pier 1, the mounting groove 3 is offered to the topside of bridge pier 1, one side of mounting groove 3 is the opening setting, movable mounting has mounting box 4 in the mounting groove 3, the topside of mounting box 4 is the opening setting, fixed mounting has two fixed blocks 5 on the bottom side inner wall of mounting box 4, L template 6 is all installed in the rotation of the topside of two fixed blocks 5, the topside of two L templates 6 all extends outside mounting groove 3 and movable mounting has same backup pad 7, bridge body 2 is installed in the topside movable mounting of backup pad 7, pull rod 8 is all installed in the rotation of one side that two L templates 6 keep away from each other, connecting plate 9 is all installed in the rotation of one end that two pull rods 8 keep away from each other, supporting shoe 10 is all fixed mounting on the both sides inner wall of mounting box 4, telescopic link 11 has all been offered to one side that two supporting shoes 10 are close to each other, telescopic link 12 is all movable mounting in two telescopic link 11, one ends of the two telescopic rods 12, which are close to each other, extend out of the two telescopic grooves 11 respectively and are fixedly arranged on one sides of the two connecting plates 9, which are far away from each other, a fixed box 15, which is fixedly arranged on the inner wall of the bottom side of the mounting box 4, is arranged between the two fixed blocks 5, movable holes 16 are respectively formed on the inner walls of the two sides of the fixed box 15, movable rods 17 are movably arranged in the two movable holes 16, two ends of the movable rods 17 extend out of the movable holes 16, one ends of the two movable rods 17, which are far away from each other, are rotatably arranged on one sides of the two L-shaped plates 6, which are close to each other, wedge-shaped blocks 18, which are positioned in the fixed box 15, are fixedly arranged on the top sides of the two wedge-shaped blocks 18, movable grooves 19 are respectively formed on the top sides of the two wedge-shaped blocks 18, movable rods 20 are movably arranged in the two movable grooves 19, the top ends of the two movable rods 20 extend out of the mounting grooves 3 and are fixedly provided with the same top plate 24, when the bridge body 2 is vibrated, the two shock absorption columns 36 are driven to move firstly, the shock absorption columns 36 move to drive the first springs to shrink under the stress of the shock absorption blocks 38, at the moment, part of vibration is counteracted by the rebound force of the first springs, meanwhile, the bridge body 2 is vibrated to drive the support plate 7 to move, the support plate 7 moves to drive the two L-shaped plates 6 to rotate, the two L-shaped plates 6 rotate to drive the two sliding blocks 26 to move respectively, the two sliding blocks 26 move to drive the two pulling springs 40 to stretch under the stress of the pulling springs 40, and at the moment, part of vibration is counteracted under the reverse acting force of the pulling springs 40.
The two sides of the mounting groove 3 are respectively provided with a damping groove 35 arranged on the top side of the bridge pier 1, damping columns 36 are movably arranged in the two damping grooves 35, the top ends of the two damping columns 36 respectively extend out of the two damping grooves 35 and are fixedly arranged on the bottom side of the bridge body 2, the inner walls of the two sides of the damping grooves 35 are respectively provided with a limiting groove 37, the two limiting grooves 37 are movably provided with the same damping block 38, the bottom ends of the damping columns 36 are fixedly arranged on the top side of the damping block 38, the bottom side of the damping block 38 is fixedly provided with one end of a first spring, the other end of the first spring is fixedly arranged on the inner wall of the bottom side of the limiting groove 37, the two sides of the L-shaped plate 6 are respectively provided with bolt holes 32 arranged on the top side of the supporting plate 7, the two bolt holes 32 are movably provided with bolts 33, the two ends of each bolt 33 extend out of each bolt hole 32, the top ends of each bolt 33 are fixedly arranged on the bottom side of the bridge body 2, nuts 34 positioned below the supporting plate 7 are sleeved on the bolts 33 in a threaded manner, sliding grooves 25 arranged on the bottom side of the supporting plate 7 are respectively arranged on two sides of the top plate 24, sliding blocks 26 are movably arranged in the two sliding grooves 25, the top sides of the two L-shaped plates 6 are respectively rotatably arranged on the bottom sides of the two sliding blocks 26, through holes 27 positioned in the sliding grooves 25 are respectively arranged on the sides, which are mutually close, of the two sliding blocks 26, sliding columns 28 are movably arranged in the through holes 27, two ends of the sliding columns 28 extend out of the through holes 27 and are respectively fixedly arranged on two side inner walls of the sliding grooves 25, one ends of pulling springs 40 are fixedly arranged on one sides, which are mutually far away, of the two sliding blocks 26, one ends, which are mutually far away, of the two pulling springs 40 are respectively fixedly arranged on one side inner wall, which are mutually far away from the two sliding grooves 25, of the top side and the bottom side inner wall of the telescopic groove 11 are respectively provided with first sliding grooves 13, the two first sliding grooves 13 are internally and slidably provided with the same first sliding block 14, one end of the telescopic rod 12 far away from the connecting plate 9 is fixedly arranged on one side of the first sliding block 14 close to the connecting plate 9, one side of the first sliding block 14 far away from the connecting plate 9 is fixedly provided with one end of a second spring, the other end of the second spring is fixedly arranged on one side inner wall of the first sliding groove 13 far away from the connecting plate 9, two side inner walls of the moving groove 19 are respectively provided with a second sliding groove 22, the same second sliding block 23 is internally and slidably arranged in the two second sliding grooves 22, the bottom end of the moving rod 20 is rotatably arranged on the top side of the second sliding block 23, four corners of the bottom side of the mounting box 4 are respectively and movably provided with a roller, the roller is contacted with the bottom side inner wall of the mounting groove 3, one side of the mounting box 4 is fixedly provided with a fixing rod 29, the fixing rod 29 is movably sleeved on the fixing rod 30, the bottom side inner wall of the mounting groove 3 is provided with a locating groove 31, the bottom end of the positioning rod 30 extends into the positioning groove 31, one side of the positioning rod 30 is provided with a rotating hole 39, one end of a fixing rod 29 penetrates through the rotating hole 39, the top side of the fixing box 15 is provided with two moving holes 21, the top ends of the two moving rods 20 respectively penetrate through the two moving holes 21, the L-shaped plate 6 rotates to drive the pull rod 8 to move, the pull rod 8 moves to drive the connecting plate 9 to move, the connecting plate 9 moves to drive the telescopic rod 12 to move, the telescopic rod 12 moves to stretch the second spring through the first sliding block 14, at the moment, the L-shaped plate 6 reversely rotates under the reverse acting force of the second spring, the supporting plate 7 can support the bridge body 2, at the moment, the L-shaped plate 6 rotates to pull the moving rod 17, the moving rod 17 moves to drive the moving rod 20 to move upwards along the inclined surface of the wedge block 18, so that the top plate 24 effectively supports the supporting plate 7, therefore, the anti-seismic performance of the bridge body 2 can be effectively improved, when the bridge body needs to be disassembled, the nut 34 is rotated to be separated from the bolt 33, then the positioning rod 30 is rotated to be separated from the positioning groove 31 at the bottom end, then the supporting plate 7 is pressed, and then the installation box 4 is pulled to be moved out of the installation groove 3.
The invention comprises the following steps: when the bridge body 2 is vibrated, the two shock-absorbing columns 36 are driven to move firstly, the shock-absorbing columns 36 move to drive the first springs to be stressed and contracted through the shock-absorbing blocks 38, at the moment, part of vibration is counteracted through the rebound force of the first springs, meanwhile, the bridge body 2 is vibrated to drive the supporting plate 7 to move, the supporting plate 7 moves to drive the two L-shaped plates 6 to rotate, the two L-shaped plates 6 rotate to respectively drive the two sliding blocks 26 to move, the two sliding blocks 26 move to respectively drive the two pulling springs 40 to stretch under the stress of the pulling springs 40, at the moment, part of vibration is counteracted under the reverse acting force of the pulling springs 40, the L-shaped plates 6 rotate to drive the pull rod 8 to move, the pull rod 8 moves to drive the connecting plate 9 to move, the connecting plate 9 moves to drive the telescopic rod 12 to move, the telescopic link 12 moves and makes the second spring atress tensile through first slider 14, make L template 6 reverse rotation under the reverse effort of second spring this moment, can make backup pad 7 support bridge body 2, L template 6 rotates again and pulls movable rod 17 removal this moment, movable rod 17 removes and drives movable rod 20 and upwards remove along the inclined plane of wedge 18, thereby make roof 24 carry out effectual support to backup pad 7, thereby can effectually improve the shock resistance of bridge body 2, when dismantling, rotate nut 34 and make it break away from bolt 33, then rotate locating lever 30 makes its bottom break away from constant head tank 31, then press backup pad 7, then pull install bin 4, can remove install bin 4 outside the mounting groove 3.
Claims (4)
1. The utility model provides a bridge anti-seismic limiting device convenient to replace, including pier (1), a serial communication port, mounting groove (3) have been seted up to the top side of pier (1), one side of mounting groove (3) is the opening setting, movable mounting has install bin (4) in mounting groove (3), the top side of install bin (4) is the opening setting, fixed mounting has two fixed blocks (5) on the bottom side inner wall of install bin (4), L template (6) are all rotated to the top side of two fixed blocks (5), the top side of two L template (6) all extends outside mounting groove (3) and movable mounting has same backup pad (7), the top side movable mounting of backup pad (7) has bridge body (2), one side that two L template (6) kept away from each other all rotates and installs pull rod (8), one end that two pull rod (8) kept away from each other all rotates and installs connecting plate (9), all fixed mounting supporting shoe (10) on the both sides inner wall of install bin (4), one side that two supporting shoe (10) are close to each other all sets up L template (6), one side that two telescopic link (11) all is close to each other is all installed on two telescopic link (12) both sides telescopic link (11) and is kept away from each other, one side telescopic link (12) are all extended outside one side of two telescopic link (12) respectively, a fixed box (15) fixedly installed on the inner wall of the bottom side of the installation box (4) is arranged between the two fixed blocks (5), movable holes (16) are formed in the inner walls of the two sides of the fixed box (15), movable rods (17) are movably installed in the two movable holes (16), two ends of each movable rod (17) extend out of the movable holes (16), one ends, far away from each other, of each movable rod (17) are respectively rotatably installed on one side, close to each other, of each L-shaped plate (6), wedge-shaped blocks (18) positioned in the fixed box (15) are fixedly installed on the top sides of the two movable rods (17), movable grooves (19) are formed in the top sides of the two wedge-shaped blocks (18), movable rods (20) are movably installed in the two movable grooves (19), the top ends of the two movable rods (20) extend out of the installation groove (3) and are fixedly installed with the same top plate (24), and the top sides of the top plate (24) are matched with the bottom sides of the supporting plate (7);
damping grooves (35) formed in the top side of the bridge pier (1) are formed in two sides of the mounting groove (3), damping columns (36) are movably mounted in the two damping grooves (35), and the top ends of the two damping columns (36) extend out of the two damping grooves (35) respectively and are fixedly mounted on the bottom side of the bridge body (2);
limiting grooves (37) are formed in the inner walls of the two sides of the damping groove (35), the same damping block (38) is movably mounted in the two limiting grooves (37), the bottom end of the damping column (36) is fixedly mounted on the top side of the damping block (38), one end of a first spring is fixedly mounted on the bottom side of the damping block (38), and the other end of the first spring is fixedly mounted on the inner wall of the bottom side of the limiting groove (37);
the two sides of the L-shaped plate (6) are respectively provided with a bolt hole (32) arranged on the top side of the supporting plate (7), bolts (33) are movably arranged in the two bolt holes (32), the two ends of each bolt (33) extend out of the corresponding bolt hole (32), the top end of each bolt (33) is fixedly arranged on the bottom side of the bridge body (2), and nuts (34) positioned below the supporting plate (7) are sleeved on the bolts (33) in a threaded manner;
the two sides of the top plate (24) are respectively provided with a sliding groove (25) arranged at the bottom side of the supporting plate (7), sliding blocks (26) are movably arranged in the two sliding grooves (25), the top sides of the two L-shaped plates (6) are respectively rotatably arranged at the bottom sides of the two sliding blocks (26), one sides of the two sliding blocks (26) close to each other are respectively provided with a through hole (27) positioned in the sliding grooves (25), sliding columns (28) are movably arranged in the through holes (27), two ends of the sliding columns (28) extend out of the through holes (27) and are respectively fixedly arranged on the inner walls of the two sides of the sliding grooves (25), one ends of pulling springs (40) are fixedly arranged at one sides of the two sliding blocks (26) away from each other, and one ends of the two pulling springs (40) away from each other are respectively fixedly arranged on the inner walls of one sides of the two sliding grooves (25) away from each other;
the top side and the bottom side inner walls of the telescopic groove (11) are respectively provided with a first sliding groove (13), the same first sliding blocks (14) are slidably installed in the two first sliding grooves (13), one end of the telescopic rod (12) far away from the connecting plate (9) is fixedly installed on one side, close to the connecting plate (9), of the first sliding blocks (14), one end, far away from the connecting plate (9), of the first sliding blocks (14) is fixedly installed with a second spring, and the other end of the second spring is fixedly installed on the inner wall, far away from the connecting plate (9), of the first sliding grooves (13);
one side fixed mounting of mounting box (4) has dead lever (29), and movable sleeve has cup jointed locating lever (30) on dead lever (29), has seted up constant head tank (31) on the bottom side inner wall of mounting groove (3), and in the bottom of locating lever (30) extends to constant head tank (31), rotation hole (39) have been seted up to one side of locating lever (30), and one end of dead lever (29) runs through rotation hole (39).
2. The bridge anti-seismic limiting device convenient to replace according to claim 1, wherein the second sliding grooves (22) are formed in the inner walls of the two sides of the moving groove (19), the same second sliding block (23) is slidably installed in the two second sliding grooves (22), and the bottom end of the moving rod (20) is rotatably installed on the top side of the second sliding block (23).
3. The bridge anti-seismic limiting device convenient to replace according to claim 1, wherein rollers are movably mounted at four corners of the bottom side of the mounting box (4), and the rollers are in contact with the inner wall of the bottom side of the mounting groove (3).
4. The bridge anti-seismic limiting device convenient to replace according to claim 1, wherein two moving holes (21) are formed in the top side of the fixed box (15), and the top ends of the two moving rods (20) penetrate through the two moving holes (21) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811195082.4A CN109056505B (en) | 2018-09-27 | 2018-09-27 | Bridge anti-seismic limiting device convenient to replace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811195082.4A CN109056505B (en) | 2018-09-27 | 2018-09-27 | Bridge anti-seismic limiting device convenient to replace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109056505A CN109056505A (en) | 2018-12-21 |
| CN109056505B true CN109056505B (en) | 2024-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811195082.4A Active CN109056505B (en) | 2018-09-27 | 2018-09-27 | Bridge anti-seismic limiting device convenient to replace |
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| CN (1) | CN109056505B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110983953B (en) * | 2019-12-26 | 2021-05-07 | 重庆三峡学院 | Transverse energy dissipation and shock absorption device suitable for bridge structure and installation method thereof |
| CN111576204A (en) * | 2020-06-08 | 2020-08-25 | 马鞍山常裕机械设备有限公司 | Bridge beam supports cushion with adjustable |
| CN111622084A (en) * | 2020-06-11 | 2020-09-04 | 大连交通大学 | Anti-falling limiting device for bridge earthquake resistance |
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| CN109056505A (en) | 2018-12-21 |
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