CN115821857A - Bridge anti-collision device for improving safety performance of bridge - Google Patents

Abstract

The invention relates to the technical field of safety protection of constructional engineering, and discloses a bridge anti-collision device for improving the safety performance of a bridge, which comprises a protection part, a climbing part and a connecting part, wherein a water level sensor is arranged at the bottom of the protection part; the protective part includes the fixed plate, guard plate and buffer stop, the climbing part includes the telescopic link, the flexible driving motor two of drive telescopic link and sucking disc, the flexible end of telescopic link is articulated with the sucking disc, the top surface of slider is equipped with the air pump, the output of air pump is equipped with the gas tube, the one end that the air pump was kept away from to the gas tube link up with the lateral wall of sucking disc, it reciprocates in the slide rail in proper order to drive the climbing part through the slider, and the lateral wall that the adsorption affinity through the sucking disc and the pressure of telescopic link made protective part adhere to at the pier, the beneficial effect that the decline that rises and reaches altitude mixture control has automatic climbing.

Description

Bridge anti-collision device for improving safety performance of bridge

Technical Field

The invention relates to the technical field of safety protection of constructional engineering, in particular to a bridge anti-collision device for improving the safety performance of a bridge.

Background

Due to the vigorous development of economy and transportation, more and more bridges are erected and built on navigable channels, the span is larger, and more overlong sea-crossing or island-connecting bridges appear, so that the original channels are reduced, narrowed and narrowed, meanwhile, ships on the channels are large in size from thousands to tens of thousands of tons, and therefore, on global newspapers or televisions, events related to collision of ships with piers occur and are reported occasionally. Some small collisions can be repaired, and once a large collision occurs, the consequences of the large collision are not imagined, and in order to ensure that the ship is safe and the bridge is not damaged, people adopt a plurality of methods and facilities to protect the bridge building.

The patent number 'CN 103741647B' discloses a bridge anti-collision device, which comprises an anti-collision energy dissipation ring and a slide rail mechanism which are arranged around a pier, wherein the slide rail mechanism comprises a plurality of guide energy dissipation columns which are fixedly arranged between the anti-collision energy dissipation ring and the pier and fixedly connected with the anti-collision energy dissipation ring, the axis of each guide energy dissipation column is parallel to the axis of the pier, and each energy dissipation unit comprises a shell and a composite energy dissipation material filled in the shell; the anti-collision energy dissipation ring is strong in corrosion resistance, the anti-collision energy dissipation ring surrounding the pier floats up and down along with the horizontal plane, resistance received when the anti-collision energy dissipation ring floats up and down is reduced, a certain guiding effect is also achieved, and the influence of long-time operation in water on the anti-collision energy dissipation ring is reduced. However, in real life, rivers are often accompanied with the rising and falling of water level, and the device in the prior art is installed at a fixed position, so that the device cannot work due to the rising and falling of the water level; or the prior art adopts a device to fully cover the bridge pier, which causes resource waste; meanwhile, in the prior art, the height is adjusted by adopting a sliding rail mode, but the installation accuracy of the sliding rail is difficult to guarantee to greatly influence the adjusting effect.

Disclosure of Invention

The invention provides a bridge anti-collision device for improving the safety performance of a bridge, which does not need to fully cover the bridge pier, saves resources, adjusts the height according to the water level change, ensures the height adjustment precision, and effectively protects the bridge pier.

In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a bridge buffer stop for improving bridge security performance, includes protecting component, last climbing part and the adapting unit of being provided with of protecting component, climbing part sliding connection is in the protecting component inside wall, the displacement about the pier is scrambleed to the protecting component accessible, through adapting unit fixed connection between the protecting component.

Preferably, the climbing part comprises a telescopic adsorption device, a driving device and a sliding device, the adsorption device is divided into an upper part area and a lower part area on the inner side wall of the protection part, the adsorption devices of the upper part area and the lower part area respectively move on the inner side wall of the protection part through the sliding devices of the upper part area and the lower part area independently and relatively, and the adsorption devices of the upper part area and the lower part area can independently stretch and adsorb.

Preferably, adsorption equipment includes telescopic link and sucking disc, the flexible end and the sucking disc of telescopic link are connected, the sucking disc intercommunication has the air pump that makes the sucking disc adsorb and relax, the other end fixed connection slider of telescopic link, drive arrangement includes drive telescopic link's driving motor one and the driving motor two that drive slider removed.

Preferably, the sliding device comprises a sliding groove and a sliding block, the sliding groove is formed in the inner side wall of the protective component, the sliding block is arranged in the sliding groove, and the driving motor drives the sliding block to move in the sliding groove.

Preferably, the first driving motor, the second driving motor and the air pump are electrically connected with a control processing system, the control processing system is connected with an upper computer and a water level sensor, and the water level sensor is arranged in water.

Preferably, the air pump sets up on the slider, and the air pump output is provided with the gas tube and is linked together with the sucking disc, and the sucking disc middle part is provided with pressure sensor, pressure sensor and control processing system electric connection.

Preferably, the protective part includes fixed plate, guard plate and buffer stop, the fixed plate lateral wall can be dismantled and be connected with the support column, support column fixedly connected with guard plate, the guard plate opposite side has set firmly buffer stop, the spout is seted up on the inside wall of fixed plate, adapting unit sets up in the lateral wall of fixed plate.

Preferably, the anti-collision device comprises an arc buffer layer, an arc energy absorption layer and an arc energy dissipation layer which are sequentially sleeved from outside to inside, wherein soft rubber balls with the sulfur amount of 0.2-5 parts are filled between the arc buffer layer and the arc energy absorption layer, semi-hard rubber balls with the sulfur amount of 5-35 parts are filled between the arc energy absorption layer and the arc energy dissipation layer, and hard rubber balls with the sulfur amount of 35-50 parts are filled between the arc energy dissipation layer and the protection plate.

Preferably, the connecting part comprises a connecting plate and a bolt, a through hole matched with the bolt is formed in the connecting plate, and the bolt fixedly connects the connecting plate and the fixing plate through the through hole.

Preferably, the first driving motor and the second driving motor both adopt waterproof servo motors, and the air pump adopts a waterproof inflation pump.

The invention has the following beneficial effects:

1. according to the invention, the sliding block drives the climbing component to move up and down in the sliding rail in sequence, and the protective component is attached to the outer side wall of the pier through the adsorption force of the sucker and the pressure of the telescopic rod, so that the purpose that the device can climb up and down automatically is achieved, and the problem that the height of the device cannot be adjusted according to the change of water level is solved.

2. In the invention, the support is detachably connected with the fixed plate, so that the damaged protection component can be replaced in time, and the protection effect of the whole device is prevented from being influenced.

3. According to the invention, the arc buffer layer, the arc energy absorption layer and the arc energy dissipation layer are sequentially sleeved from outside to inside, so that impact forces of different degrees can be absorbed conveniently, and support protection and impact force transmission are provided among the arc buffer layer, the arc energy absorption layer and the arc energy dissipation layer.

4. In the invention, the upper computer is used for monitoring and controlling the device in real time, so that the purpose that a worker can check the state of the device, water level data and negative pressure data in the sucker in real time is achieved.

Drawings

Fig. 1 is a top view of a bridge impact protection device for improving bridge safety in an embodiment of the invention.

Fig. 2 is a front view of a bridge impact protection device for improving bridge safety in an embodiment of the present invention.

Fig. 3 is a side sectional view of a bridge impact protection device for improving bridge safety in an embodiment of the invention.

Fig. 4 is a side sectional view of a suction cup in a bridge impact prevention device for improving safety of a bridge according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a bridge collision prevention device for improving the safety performance of a bridge according to an embodiment of the present invention.

Wherein: 1. a bridge pier; 2. a shield member; 3. a climbing member; 4. a connecting member; 5. a water level sensor; 6. a support pillar; 7. a chute; 8. a slider; 9. driving a motor I; 10. an air pump; 11. an inflation tube; 12. a control processing system; 13. a power supply device; 14. a through hole; 15. soft rubber balls; 16. semi-rigid rubber balls; 17. a hard rubber ball; 18. a pressure sensor; 19. an upper computer; 201. a fixing plate; 202. a protection plate; 203. an anti-collision device; 301. a telescopic rod; 302. a second driving motor; 303. a suction cup; 401. a connecting plate; 402. a bolt; 203a and an arc buffer layer; 203b, an arc energy absorption layer; 203c and an arc-shaped energy dissipation layer.

Detailed Description

The invention is described in detail below with reference to the accompanying drawings, which provide a technical solution: a bridge anti-collision device for improving the safety performance of a bridge is shown in figures 1 to 5 and comprises a protection component 2, a climbing component 3 and a connecting component 4, wherein the climbing component 3 is connected to the inner side wall of the protection component 2 in a sliding mode, the protection component 2 can realize vertical displacement on a pier 1 through the climbing component 3, two adjacent protection components 2 are fixedly connected through the connecting component 4, the climbing component 3 comprises an adsorption device, a driving device and a sliding device, and the driving device drives the adsorption device and the sliding device to vertically displace on the pier 1; the climbing component 3 is connected with a water level sensor 5, the water level sensor 5 adopts a floating ball type water level sensor 5 to measure the depth of a river in advance, or the bridge floor is taken as a zero value, so that the control processing system 12 can conveniently compare the depth of the river, and the height adjustment of the protective device is completed; the protective part 2 comprises fixing plates 201, protective plates 202 and anti-collision devices 203, the connecting parts 4 are fixedly installed on the outer side walls of the adjacent 2 fixing plates 201, a plurality of support columns 6 are detachably connected and installed on the outer side walls of the fixing plates 201, the protective plates 202 are welded at one ends, far away from the fixing plates 201, of the support columns 6, and the anti-collision devices 203 are fixedly installed on one sides, far away from the support columns 6, of the protective plates 202; the connecting part 4 comprises a connecting plate 401 and bolts 402, wherein 2 through holes 14 matched with the bolts 402 are drilled in the top surface of the connecting plate 401, the bolts 402 pass through the through holes 14 and are fixedly connected with the fixing plates 201, and the adjacent fixing plates 201 are fixedly connected through the connecting plate 401 and the bolts 402.

The adsorption device can move up and down on the inner side wall of the protection component 2 through a sliding device and can also be relatively fixed with the protection component 2, the adsorption device is divided into an upper part area and a lower part area on the inner wall of the protection component 2, the adsorption devices of the upper part area and the lower part area can independently move relative to the protection component 2 on the inner side wall of the protection component 2 through the sliding devices of the upper part area and the lower part area respectively, and the adsorption devices of the upper part area and the lower part area can independently stretch out and draw back and adsorb; the displacement of the climbing member 3 is preferably described by the following climbing procedure, but not limited to this displacement, the climbing procedure is that the adsorption device in the upper region is closely adsorbed on the pier 1, the protection member 2 is moved upward relative to the adsorption device in the upper region by the sliding device, at this time, the adsorption member in the lower region does not adsorb the pier 1 in a contracted state, but ascends together with the protection member 2 relatively fixed, and ascends to a certain height, at this time, the adsorption device in the lower region extends out to adsorb the pier 1 and is fixed with the pier 1 and still relatively fixed with the protection member 2, at this time, the adsorption device in the upper region loosens adsorption from the pier 1 and contracts inward, and then moves upward relative to the protection member 2, adsorbs the pier 1 after the movement is completed, and completes a section of upward movement, if the above procedure is required to move upward, the above procedure can be repeated, and if the procedure is required, the procedure is reverse; the climbing component 3 can move upwards and can be adsorbed and fixed on the pier 1 through the adsorption device in the lower area, the adsorption device in the upper area relaxes and contracts, and rises together with the protective component 2 through the adsorption of the lower area to a certain height, the adsorption device in the upper area extends out to adsorb the pier 1, and the adsorption device in the lower area repeatedly completes the process to realize the displacement of the climbing component 3; the displacement of the climbing means 3 is not limited to the above-mentioned means, as long as climbing and descending are accomplished by means of the suction devices whose upper and lower regions move independently with respect to the shielding means 2. The suction device comprises a telescopic rod 301 and a sucker 303, the telescopic end of the telescopic rod 301 is connected with the sucker 303, the sucker 303 is communicated to enable the sucker 303 to suck and release the air pump 10, a pressure sensor 18 is arranged in the middle of the sucker 303 and used for detecting the pressure sucked by the sucker 303, and the other end of the telescopic rod 301 is fixedly connected with a slidable component in the sliding device; the driving device comprises a first driving motor 9 for driving the telescopic rod 301 and a second driving motor 302 for driving the sliding device to move.

The sliding device comprises sliding chutes 7 and sliding blocks 8, 8 sliding chutes 7 perpendicular to the horizontal plane are preferably chiseled on the inner side wall of the fixing plate 201, 6 sliding blocks 8 are connected in each sliding chute 7 in a sliding manner, a first driving motor 9 for driving each sliding block 8 to slide is fixedly mounted on the side wall of each sliding block 8, each sliding block 8 can move in each sliding chute 7 and can also be fixed in each sliding chute 7, one end of the telescopic rod 301 is fixed on the top surface of each sliding block 8, the telescopic end of the telescopic rod 301 is hinged to the suction disc 303, the top surface of each sliding block 8 is fixedly provided with an air pump 10, the output end of each air pump 10 is fixedly connected with an inflation tube 11, and one end, far away from the air pump 10, of each inflation tube 11 is communicated with the side wall of the suction disc 303 to achieve adsorption and relaxation of the suction disc 303; driving motor one 9, driving motor two 302, the equal electric connection of level sensor 5 and air pump 10 has control processing system 12, control processing system 12 places on the bridge floor, control processing system 12 adopts FX2N-48MR PLC control system, climbing part 3 is equipped with power supply unit 13, power supply unit 13 places on the bridge floor, to driving motor one 9, driving motor two 302, air pump 10 and control processing system 12 supply power, control processing system 12 is connected with host computer 19, host computer 19 adopts computer system, the sucking disc 303 internal pressure value and the water level value that level sensor 5 transmitted that pressure sensor 18 passed back can be looked over in real time to host computer 19, thereby the staff carries out effectual control to the device structure.

In order to achieve the synchronous control of the climbing component 3 and the climbing effect, the climbing component 3 arranged in a 6 x 8 matrix is divided into an upper area and a lower area (3 x 8 and 3 x 8) by the air pump 10 and the slide block 8, the upper area is controlled by the same output signal of the PLC, the lower area is controlled by another output signal of the PLC, so that the effect of controlling the climbing component 3 of the upper area or the lower area simultaneously is achieved, and then the alternate control of the two output signals is performed, so that the purpose of performing height change by alternately adsorbing and moving the upper area and the lower area is achieved.

The anti-collision device 203 comprises an arc buffer layer 203a, an arc energy absorption layer 203b and an arc energy dissipation layer 203c, which are sequentially sleeved from outside to inside, wherein 0.5 part of soft rubber balls 15 of sulfur are filled between the arc buffer layer 203a and the arc energy absorption layer 203b, the filling proportion is 70% of the space between the arc buffer layer 203a and the arc energy absorption layer 203b, 10 parts of semi-hard rubber balls 1716 of sulfur are filled between the arc energy absorption layer 203b and the arc energy dissipation layer 203c, the filling proportion is 80% of the space between the arc energy absorption layer 203b and the arc energy dissipation layer 203c, 45 parts of hard rubber balls 17 are filled between the arc energy dissipation layer 203c and the protection plate 202, and the filling proportion is 90% of the space between the arc energy dissipation layer 203c and the protection plate 202. The arc buffer layer 203a is used for facilitating the buffer purpose at the first time when the ship body impacts the anti-collision device 203; the impact force of the ship body transmitted from the arc buffer layer 203a is absorbed conveniently through the arc energy absorption layer 203 b; the arc energy dissipation layer 203c is convenient for absorbing larger impact force which cannot be absorbed by the arc energy absorption layer 203 b; the use of the soft rubber ball 15, the semi-hard rubber ball 1716, and the hard rubber ball 17 facilitates the handling and absorption of different impact forces from the hull.

In the embodiment, the protective component 2 is convenient for preventing the ship passing through the bridge piers 1 from colliding with the bridge piers 1, thereby preventing the influence on the safety of the bridge caused by the collision of the ship; the climbing component 3 is convenient for realizing the purpose of adjusting the height of the protection component 2; the connecting part 4 is convenient for fixedly connecting the protective part 2 into a whole, thereby enhancing the strength of the protective part 2; the water level sensor 5 is convenient for monitoring the river water level change in real time, so that the water level parameter is converted into a corresponding electric quantity signal in real time and transmitted to the control processing system 12.

The fixing plate 201 is convenient to be connected and fixed with the climbing part 3 and the fixing plate 201 between the adjacent fixing plates through the connecting part 4; the anti-collision device 203 is convenient to be fixedly connected to the surface of the fixing plate 201 through the protection plate 202; the support column 6 is detachably connected with the fixing plate 201, so that the damaged anti-collision device 203 can be replaced in time; the anti-collision device 203 is convenient for absorbing the impact force of the collision of the ship body, thereby preventing the damage to the pier 1; the sliding block 8 is convenient to slide in the sliding groove 7 through the sliding groove 7, so that the climbing part 3 on the sliding block 8 is driven to move; the sliding block 8 is convenient to be fixedly connected with the climbing part 3, so that the climbing part 3 is driven to move; the sliding of the sliding block 8 in the sliding rail is convenient to realize by driving the motor I9.

Through the telescopic rod 301, pressure is conveniently applied to the sucker 303 so that the sucker 303 is adsorbed to the outer side wall of the pier 1, and meanwhile, pressure is applied to the outer side wall of the pier 1 so as to achieve the purpose of being fixed on the outer side wall of the pier 1; the second driving motor 302 is convenient for driving the telescopic rod 301 to do telescopic motion; the protective component 2 is conveniently adsorbed on the outer side wall of the pier 1 through the sucking disc 303, so that the protective component 2 is fixed on the outer side wall of the pier 1 through adsorption force; through the air pump 10 and the inflation tube 11, when the suction cup 303 needs to be released from the outer side wall of the pier 1, gas is injected into the suction cup 303 so as to reduce the suction force of the suction cup 303.

The automatic control of the device components is facilitated by controlling the processing system 12, so that the purpose of automatic operation to reduce the workload of workers is achieved; the upper computer 19 is convenient for checking the state of the device component in real time and transmitting a control command to the control processing system 12 to automatically control the lower component.

The first driving motor 9 and the second driving motor 302 both adopt waterproof servo motors, and the air pump 10 adopts a waterproof inflation pump 10. In this embodiment, the use of a waterproof servo motor and a waterproof inflator pump 10 facilitates the prevention of the normal operation of the device due to water ingress into the components. The pressure sensor 18 facilitates real-time monitoring of data changes of the negative pressure in the suction cup 303, so that the control processing system 12 can judge the suction force of the suction cup 303 in real time.

The working principle is as follows: when the method is installed, the fixing plates 201 are fixedly connected with each other through the connecting part 4, then the telescopic rod 301 is controlled to move to enable the suction cup 303 to be adsorbed on the outer side wall of the pier 1, the protection plate 202 and the anti-collision device 203 are fixedly installed on the outer side of the fixing plates 201, and the water level sensor 5 is placed on the surface of a river to detect depth change.

When the protection device needs to move upwards, the control processing system 12 controls the sliding block 8 of the lower half area and the climbing part 3 to keep still, then the air pump 10 of the upper half area is controlled to inflate the inside of the suction cup 303, the telescopic rod 301 retracts synchronously, then the sliding block 8 of the upper half area slides upwards synchronously, the telescopic rod 301 is controlled to stretch out after the sliding is in place, the suction cup 303 is extruded on the outer side wall of the pier 1, when the pressure sensor 18 in the suction cup 303 detects that the negative pressure in the suction cup 303 meets the conditions, the lower half area is controlled to repeat the operation and drive the fixing plate 201 to move upwards, and the operation is repeated in sequence until the required height is reached, so that the effect of moving the protection part 2 upwards is achieved.

The foregoing is a more detailed description of the invention, and the specific embodiments of the invention are not to be considered limited to the details of the particular embodiments, but rather are to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing and simplifying the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

Claims (10)

1. The utility model provides a bridge buffer stop for improving bridge security performance, includes protecting component, its characterized in that, last climbing part and the adapting unit of being provided with of protecting component, climbing part sliding connection is in the protecting component inside wall, the displacement about the pier is scrambleed to the protecting component accessible, through adapting unit fixed connection between the protecting component.

2. The bridge collision avoidance device for improving the safety performance of a bridge according to claim 1, wherein the climbing component comprises a telescopic adsorption device, a driving device and a sliding device, the adsorption device is divided into an upper section and a lower section on the inner side wall of the protection component, the adsorption device in the upper section and the adsorption device in the lower section are respectively displaced on the inner side wall of the protection component through the sliding device in the upper section and the sliding device in the lower section, and the adsorption device in the upper section and the adsorption device in the lower section can be independently telescopic and adsorb.

3. The bridge collision avoidance device for improving the safety performance of a bridge according to claim 2, wherein the suction device comprises a telescopic rod and a suction cup, the telescopic end of the telescopic rod is connected with the suction cup, the suction cup is communicated with an air pump for sucking and releasing the suction cup, the other end of the telescopic rod is fixedly connected with the sliding device, and the driving device comprises a first driving motor for driving the telescopic rod and a second driving motor for driving the sliding device to move.

4. The bridge collision avoidance device for improving the safety of a bridge according to claim 3, wherein the sliding device comprises a sliding groove and a sliding block, the sliding groove is disposed on the inner side wall of the protection component, the sliding block is disposed in the sliding groove, and the driving motor drives the sliding block to move in the sliding groove.

5. The bridge anti-collision device for improving the safety performance of a bridge according to claim 4, wherein the first driving motor, the second driving motor and the air pump are electrically connected with a control processing system, the control processing system is connected with an upper computer and a water level sensor, and the water level sensor is arranged in water.

6. The bridge collision avoidance device for improving the safety performance of a bridge according to claim 5, wherein the air pump is arranged on the sliding block, an inflation tube is arranged at the output end of the air pump and communicated with the suction cup, a pressure sensor is arranged in the middle of the suction cup, and the pressure sensor is electrically connected with the control processing system.

7. The bridge anti-collision device for improving the safety performance of a bridge according to claim 4, wherein the protection part comprises a fixing plate, a protection plate and an anti-collision device, a support column is detachably connected to the outer side wall of the fixing plate, the protection plate is fixedly connected to the support column, the anti-collision device is fixedly arranged on the other side of the protection plate, the sliding groove is formed in the inner side wall of the fixing plate, and the connection part is arranged on the outer side wall of the fixing plate.

8. The bridge anti-collision device for improving the safety performance of a bridge according to claim 7, wherein the anti-collision device comprises an arc buffer layer, an arc energy absorption layer and an arc energy dissipation layer which are sequentially sleeved from outside to inside, soft rubber balls with the sulfur consumption of 0.2-5 parts are filled between the arc buffer layer and the arc energy absorption layer, semi-hard rubber balls with the sulfur consumption of 5-35 parts are filled between the arc energy absorption layer and the arc energy dissipation layer, and hard rubber balls with the sulfur consumption of 35-50 parts are filled between the arc energy dissipation layer and the protection plate.

9. The bridge anti-collision device for improving the safety performance of the bridge according to claim 8, wherein the connecting part comprises a connecting plate and a bolt, a through hole matched with the bolt is formed in the connecting plate, and the bolt fixedly connects the connecting plate and the fixing plate through the through hole.

10. The bridge collision avoidance device for improving the safety performance of a bridge according to any one of claims 3 to 6, wherein the first driving motor and the second driving motor both adopt waterproof servo motors, and the air pump adopts a waterproof inflation pump.

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