CN115821857B - Bridge anti-collision device for improving bridge safety performance - 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 bridge safety performance, 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 protection part comprises a fixed plate, a protection plate and an anti-collision device, the climbing part comprises a telescopic rod, a second driving motor for driving the telescopic rod to stretch out and draw back, and a sucker, the telescopic end of the telescopic rod is hinged with the sucker, the top surface of the sliding block is provided with an air pump, the output end of the air pump is provided with an air charging pipe, one end of the air charging pipe, which is far away from the air pump, is communicated with the side wall of the sucker, the climbing part is driven to sequentially move up and down in the sliding rail through the sliding block, and the protection part is attached to the outer side wall of the bridge pier through the adsorption force of the sucker and the pressure of the telescopic rod, so that the protection part has the beneficial effects of automatically climbing up and down to achieve height adjustment.

Description

Bridge anti-collision device for improving bridge safety performance

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 bridge safety performance.

Background

Due to the vigorous development of economy and traffic industry, more bridges are erected on navigation channels, the spans are larger, and extra long cross sea or island bridges appear, so that the original channels are smaller, narrower and narrower, and meanwhile, the ships on the channels are large from thousands to tens of thousands of tons, so that the occurrence and reporting of events of ship collision against bridge piers occur in global newspapers or televisions. Some small collisions can be repaired, and once the big collision occurs, the consequences are not considered, so that in order to ensure that the ship is safe and the bridge is not damaged, many methods and facilities are adopted to protect the bridge building.

The patent number CN103741647B discloses a bridge anti-collision device, which comprises an anti-collision energy dissipation ring and a sliding rail mechanism, wherein the anti-collision energy dissipation ring is arranged around a bridge pier, the sliding rail mechanism comprises a plurality of guide energy dissipation columns which are fixedly arranged between the anti-collision energy dissipation ring and the bridge pier and are fixedly connected with the anti-collision energy dissipation ring, the axis of each guide energy dissipation column is parallel to the axis of the bridge 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 has strong corrosion resistance, and the anti-collision energy dissipation ring surrounding the bridge pier floats up and down along with the horizontal plane, so that the resistance born by the anti-collision energy dissipation ring when floating up and down is reduced, a certain guiding effect is also played, and the influence of long-time running in water on the anti-collision energy dissipation ring is reduced. However, in real life, the river is often accompanied with rising and falling of the water level, while in the prior art, the device is installed at a fixed position, and the device is not functional due to the rising and falling of the water level; or the bridge pier is fully covered by the device in the prior art, so that the resource waste is caused; meanwhile, the height of the sliding rail is adjusted in the prior art, but the installation accuracy of the sliding rail is difficult to ensure, and the adjusting effect is greatly influenced.

Disclosure of Invention

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

In order to achieve the above object, the present invention is realized by the following technical solutions: the utility model provides a bridge buffer stop for improving bridge security performance, includes the guard element, be provided with climbing part and adapting unit on the guard element, climbing part sliding connection is in the guard element inside wall, guard element accessible climbing part is at pier displacement from top to bottom, through adapting unit fixed connection between the guard element.

Preferably, the climbing component comprises a telescopic adsorption device, a driving device and a sliding device, wherein the adsorption device is divided into an upper area and a lower area on the inner side wall of the protection component, the adsorption devices in the upper area and the lower area are respectively displaced on the inner side wall of the protection component by the sliding devices in the upper area and the lower area respectively, and the adsorption devices in the upper area and the lower area can be independently telescopic and adsorbed.

Preferably, the adsorption device comprises a telescopic rod and a sucker, the telescopic end of the telescopic rod is connected with the sucker, the sucker is communicated with an air pump for enabling the sucker to adsorb and relax, 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.

Preferably, the sliding device comprises a sliding groove and a sliding block, the sliding groove is arranged on the inner side wall of the protection part, 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 all 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 is arranged on the sliding block, the output end of the air pump is provided with an air charging pipe which is communicated with the sucker, the middle part of the sucker is provided with a pressure sensor, and the pressure sensor is electrically connected with the control processing system.

Preferably, the protection part comprises a fixed plate, a protection plate and an anti-collision device, the outer side wall of the fixed plate is detachably connected with a support column, the support column is fixedly connected with the protection plate, 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 fixed plate, and the connection part is arranged on the outer side wall of the fixed plate.

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

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

Preferably, the first driving motor and the second driving motor are waterproof servo motors, and the air pump is a waterproof inflator pump.

The invention has the following beneficial effects:

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

2. According to the invention, the damaged protection component can be replaced in time by supporting the detachable connection with the fixing plate, so that the protection effect of the whole device is prevented from being influenced.

3. According to the invention, the arc-shaped buffer layer, the arc-shaped energy absorption layer and the arc-shaped energy dissipation layer are sleeved in sequence from outside to inside, so that impact forces of different degrees can be absorbed conveniently, and the three layers provide support protection and impact force transmission.

4. According to the invention, the device is monitored and controlled in real time by the upper computer, so that the purposes that a worker can check the state of the device, water level data and negative pressure data in the sucker in real time are achieved.

Drawings

Fig. 1 is a top view of a bridge anti-collision device for improving safety performance of a bridge according to an embodiment of the present invention.

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

Fig. 3 is a side cross-sectional view of a bridge anti-collision device for improving safety performance of a bridge according to an embodiment of the present invention.

Fig. 4 is a side cross-sectional view of a suction cup for a bridge anti-collision device for improving safety performance of a bridge according to an embodiment of the present invention.

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

Wherein: 1. bridge piers; 2. a protective member; 3. climbing parts; 4. a connecting member; 5. a water level sensor; 6. a support column; 7. a chute; 8. a slide block; 9. driving a first motor; 10. an air pump; 11. an inflation tube; 12. controlling a processing system; 13. a power supply device; 14. a through hole; 15. a soft rubber ball; 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, an arc-shaped buffer layer; 203b, an arc-shaped energy absorbing layer; 203c, arc energy dissipation layer.

Detailed Description

The invention is specifically described below with reference to the accompanying drawings, and the invention provides a technical scheme: the utility model provides a bridge buffer stop for improving bridge security performance, as shown in fig. 1 to 5, including protection part 2, climbing part 3 and connecting piece 4, climbing part 3 sliding connection is in the inside wall of protection part 2, and protection part 2 accessible climbing part 3 realizes the upper and lower displacement on pier 1, and two adjacent protection parts 2 are through connecting piece 4 fixed connection, and climbing part 3 includes adsorption equipment, drive arrangement and slider, and drive arrangement drives adsorption equipment and slider, reciprocates on 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 takes the bridge deck as a zero value, so that the control processing system 12 is convenient to compare, and the height adjustment of the protection device is completed; the protection component 2 comprises a fixed plate 201, protection plates 202 and anti-collision devices 203, wherein the connecting component 4 is fixedly arranged on the outer side walls of the adjacent 2 fixed plates 201, a plurality of support columns 6 are detachably connected and arranged on the outer side walls of the fixed plates 201, the protection plates 202 are welded at one ends of the support columns 6 far away from the fixed plates 201, and the anti-collision devices 203 are fixedly arranged at one sides of the protection plates 202 far away from the support columns 6; the connecting part 4 comprises a connecting plate 401 and bolts 402, 2 through holes 14 matched with the bolts 402 are cut 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 be vertically displaced on the inner side wall of the protection part 2 through the sliding device, can also be relatively fixed with the protection part 2, is divided into an upper part area and a lower part area on the inner wall of the protection part 2, and can be independently displaced relative to the protection part 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 be independently telescopic and adsorbed; the displacement of the climbing member 3 is preferably illustrated by, but not limited to, a climbing step, in which the upper region of the adsorption device is adsorbed on the pier 1, the protection member 2 is moved upward relative to the upper region of the adsorption device by the sliding device, the lower region of the adsorption device is not adsorbed on the pier 1, but is relatively fixed with the protection member 2, and is lifted to a certain height, the lower region of the adsorption device extends out of and is fixed with the adsorption pier 1, and is still relatively fixed with the protection member 2, and the upper region of the adsorption device is released from the pier 1 and is contracted inwards, then moves upward relative to the protection member 2, and then adsorbs the pier 1 after the movement is completed, and a section of upward movement is completed, if the step is required to be moved upward, the steps are repeated, and the steps are opposite when the downward movement is required; the climbing component 3 can be adsorbed and fixed on the bridge pier 1 through the adsorption device in the lower area, the adsorption device in the upper area is relaxed and contracted, and rises to a certain height together with the protection component 2 through the adsorption in the lower area, the adsorption device in the upper area stretches out of the adsorption bridge pier 1, and the adsorption device in the lower area repeatedly completes the process, so that the climbing component 3 is displaced; the displacement method of the climbing member 3 is not limited to the above, and the climbing and the lowering may be performed by an adsorption device that moves independently of the protection member 2 in the upper and lower regions. The suction device comprises a telescopic rod 301 and a suction cup 303, wherein the telescopic end of the telescopic rod 301 is connected with the suction cup 303, the suction cup 303 is communicated with the air pump 10 which enables the suction cup 303 to suck and relax, a pressure sensor 18 is arranged in the middle of the suction cup 303 and used for detecting the pressure sucked by the suction cup 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 a sliding groove 7 and sliding blocks 8, the inner side wall of a fixing plate 201 is preferably provided with 8 sliding grooves 7 which are perpendicular to the horizontal plane, 6 sliding blocks 8 are connected in a sliding way in each sliding groove 7, a driving motor I9 for driving the sliding blocks 8 to slide is fixedly arranged on the side wall of each sliding block 8, the sliding blocks 8 can move in the sliding grooves 7 and can also be fixed in the sliding grooves 7, one end of a telescopic rod 301 is fixed on the top surface of the sliding blocks 8, the telescopic end of the telescopic rod 301 is hinged with a sucker 303, the top surface of the sliding block 8 is fixedly provided with an air pump 10, the output end of the air pump 10 is fixedly connected with an air charging pipe 11, and one end of the air charging pipe 11 far away from the air pump 10 is communicated with the side wall of the sucker 303 to realize the adsorption and release of the sucker 303; the driving motor I9, the driving motor II 302, the water level sensor 5 and the air pump 10 are electrically connected with the control processing system 12, the control processing system 12 is placed on a bridge deck, the control processing system 12 adopts an FX2N-48MR PLC control system, the climbing component 3 is provided with the power supply device 13, the power supply device 13 is placed on the bridge deck, the driving motor I9, the driving motor II 302, the air pump 10 and the control processing system 12 are powered, the control processing system 12 is connected with the upper computer 19, the upper computer 19 adopts a computer system, and the upper computer 19 can check the air pressure value in the sucker 303 transmitted by the pressure sensor 18 and the water level value transmitted by the water level sensor 5 in real time, so that a worker can effectively monitor the device structure.

In order to achieve the effects of synchronous control and climbing of the climbing parts 3, the air pump 10 and the sliding block 8 which are arranged in a 6×8 matrix are divided into an upper area and a lower area (3×8 and 3×8) to be controlled, the upper area is controlled by the same output signal of the PLC, the lower area is controlled by the other output signal of the PLC, the effect of simultaneously controlling the climbing parts 3 of the upper area or the lower area is achieved, and then the purpose of carrying out height change on the alternative adsorption movement of the upper area and the lower area is achieved through alternative control of the two output signals.

The anti-collision device 203 comprises an arc buffer layer 203a, an arc energy absorbing 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 are filled between the arc buffer layer 203a and the arc energy absorbing layer 203b, the filling proportion is 70% of the space between the arc buffer layer 203a and the arc energy absorbing layer 203b, 10 parts of semi-hard rubber balls 1716 are filled between the arc energy absorbing layer 203b and the arc energy dissipation layer 203c, 80% of the space between the arc energy absorbing 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 90% of the space between the arc energy dissipation layer 203c and the protection plate 202. The arc-shaped buffer layer 203a is convenient for forming the purpose of buffering at the first time when the ship body impacts the anti-collision device 203; the arc energy absorbing layer 203b is convenient for absorbing the impact force of the ship body transmitted by the arc buffer layer 203 a; 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; by using soft rubber balls 15, semi-hard rubber balls 1716, and hard rubber balls 17, it is convenient to cope with and absorb different impact forces from the hull.

In the present embodiment, the ship passing between the piers 1 is prevented from colliding with the piers 1 by the protecting member 2, thereby preventing the influence on the safety of the bridge due to the collision of the ship; the climbing part 3 is convenient for realizing the purpose of adjusting the height of the protection part 2; the protective component 2 is convenient to be fixedly connected into a whole through the connecting component 4, so that the strength of the protective component 2 is enhanced; by means of the water level sensor 5, the river water level change is monitored 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.

Through the fixing plate 201, the climbing member 3 is convenient to connect and fix, and the fixing plate 201 between the connecting member 4 and the adjacent fixing plate is convenient to connect and fix; the anti-collision device 203 is convenient to be fixedly connected to the surface of the fixed 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 collision preventing device 203 is convenient for absorbing the impact force of the ship collision, thereby preventing the bridge pier 1 from being damaged; through the sliding groove 7, the sliding block 8 is convenient to slide in the sliding groove 7, so that the climbing component 3 on the sliding block 8 is driven to move; through the sliding block 8, the climbing device is convenient to fixedly connect with the climbing component 3, so as to drive the climbing component 3 to move; the sliding of the sliding block 8 in the sliding rail is conveniently realized by driving the first motor 9.

The telescopic rod 301 is convenient for applying pressure to the sucker 303 so as to enable the sucker 303 to be adsorbed to the outer side wall of the bridge pier 1, and simultaneously applying pressure to the outer side wall of the bridge pier 1, so that the purpose of being fixed on the outer side wall of the bridge pier 1 is achieved; the second driving motor 302 is convenient for driving the telescopic rod 301 to move in a telescopic way; the sucking disc 303 is convenient to adsorb on the outer side wall of the bridge pier 1, so that the protective component 2 is fixed on the outer side wall of the bridge pier 1 through adsorption force; through the air pump 10 and the inflation tube 11, when the sucking disc 303 needs to be released from the outer side wall of the bridge pier 1, air is conveniently injected into the sucking disc 303, so that the adsorption force of the sucking disc 303 is reduced.

By controlling the processing system 12, the automatic control of the device components is facilitated, thereby achieving the purpose of automatic operation to reduce the workload of workers; the state of the device components is conveniently checked in real time through the upper computer 19, and control commands are transmitted to the control processing system 12 to automatically control the lower components.

The first driving motor 9 and the second driving motor 302 are waterproof servo motors, and the air pump 10 is a waterproof inflator pump 10. In this embodiment, by employing a waterproof servo motor and waterproof inflator 10, it is convenient to prevent the normal operation of the device due to water inflow of the components. The pressure sensor 18 is convenient for monitoring the data change of the negative pressure in the sucker 303 in real time, so that the control processing system 12 can judge the adsorption force of the sucker 303 in real time.

Working principle: during installation, 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 sucker 303 to be adsorbed on the outer side wall of the bridge 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 river surface to detect depth change.

When the protection device needs to move upwards, the control processing system 12 controls the sliding block 8 and the climbing component 3 in the lower half area to keep motionless, then controls the air pump 10 in the upper half area to inflate the sucker 303 and the telescopic rod 301 to retract synchronously, then controls the sliding block 8 in the upper half area to slide upwards synchronously, controls the telescopic rod 301 to stretch out after sliding in place and extrudes the sucker 303 to adsorb on the outer side wall of the bridge pier 1, and when the pressure sensor 18 in the sucker 303 detects that the negative pressure in the sucker 303 meets the condition, the control lower half area repeats the operation and drives the fixed plate 201 to move upwards, and reciprocates sequentially until reaching the required height, thereby achieving the effect of moving the height of the protection component 2 upwards.

While the invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the terms "center," "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely used for convenience in describing and simplifying the description, and do not necessarily indicate or imply that the apparatus or elements in question must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

Claims (3)

1. The utility model provides a bridge buffer stop for improving bridge security performance, includes the protection part, its characterized in that, be provided with climbing part and connecting piece on the protection part, climbing part sliding connection is in the protection part inside wall, protection part accessible climbing part is at pier upper and lower displacement, through connecting piece fixed connection between the protection part; the climbing component comprises a telescopic adsorption device, a driving device and a sliding device, wherein the adsorption device is divided into an upper area and a lower area on the inner side wall of the protection component, the adsorption devices in the upper area and the lower area are respectively displaced on the inner side wall of the protection component by the sliding devices in the upper area and the lower area respectively, and the adsorption devices in the upper area and the lower area can be independently telescopic and adsorbed; the sucking device comprises a telescopic rod and a sucking disc, the telescopic end of the telescopic rod is connected with the sucking disc, the sucking disc is communicated with an air pump for sucking and loosening the sucking disc, the other end of the telescopic rod is fixedly connected with a 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; the sliding device comprises a sliding groove and a sliding block, the sliding groove is arranged on the inner side wall of the protection part, the sliding block is arranged in the sliding groove, and the driving motor drives the sliding block to move in the sliding groove; 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; the air pump is arranged on the sliding block, an air charging pipe is arranged at the output end of the air pump and is communicated with the sucker, a pressure sensor is arranged in the middle of the sucker, and the pressure sensor is electrically connected with the control processing system; the protective part comprises a fixed plate, a protective plate and an anti-collision device, wherein the outer side wall of the fixed plate is detachably connected with a support column, the support column is fixedly connected with the protective plate, the other side of the protective plate is fixedly provided with the anti-collision device, the chute is arranged on the inner side wall of the fixed plate, and the connecting part is arranged on the outer side wall of the fixed plate; the anti-collision device comprises an arc-shaped buffer layer, an arc-shaped energy absorption layer and an arc-shaped 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-shaped buffer layer and the arc-shaped energy absorption layer, semi-hard rubber balls with the sulfur consumption of 5-35 parts are filled between the arc-shaped energy absorption layer and the arc-shaped energy dissipation layer, and hard rubber balls with the sulfur consumption of 35-50 parts are filled between the arc-shaped energy dissipation layer and the protection plate.

2. The bridge anti-collision device for improving safety performance of a bridge according to claim 1, wherein the connecting member comprises a connecting plate and a bolt, a through hole matched with the bolt is provided on the connecting plate, and the bolt fixedly connects the connecting plate with the fixing plate through the through hole.

3. The bridge anti-collision device for improving the safety performance of a bridge according to claim 1, wherein the first driving motor and the second driving motor are waterproof servo motors, and the air pump is a waterproof inflator pump.