CN209854621U - Bridge anti-collision safety air bag - Google Patents
Bridge anti-collision safety air bag Download PDFInfo
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- CN209854621U CN209854621U CN201920438615.0U CN201920438615U CN209854621U CN 209854621 U CN209854621 U CN 209854621U CN 201920438615 U CN201920438615 U CN 201920438615U CN 209854621 U CN209854621 U CN 209854621U
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- airbag
- bottom plate
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Abstract
The utility model discloses a bridge anti-collision safety air bag, which comprises a safety air bag and a shell; the airbag is mounted in the housing; the shell comprises a panel, a bottom plate and a plurality of connecting rods; the shape of the bottom plate is adapted to the shape of the bottom plate installed at the bridge; the connecting rod is an elastic connecting rod; one end of the connecting rod is fixedly connected with the panel, the other end of the connecting rod is fixedly connected with the bottom plate, and the bottom plate is provided with a plurality of mounting through holes. The bridge anti-collision safety air bag can be arranged on the bridge span and the bridge pier as required, and can simultaneously protect the bridge span and the bridge pier; in addition, the double energy-absorbing anti-collision structure with the safety air bag and the elastic connection bodies is used, so that the impact damage of the ship to the bridge pier and the bridge span can be effectively reduced, the double energy-absorbing anti-collision structure can be folded and stored in a non-collision state, the contact area with the outside is reduced, the loss of wind and rain to the double energy-absorbing anti-collision structure can be reduced, and the service life of the double energy-absorbing anti-collision structure is prolonged.
Description
Technical Field
The utility model belongs to the technical field of bridge safety, mainly relate to a bridge anticollision air bag.
Background
Navigation river bridge district often leads to boats and ships to collide the bridge because of dark, big fog, to reasons such as the clearance navigation height judgement mistake of bridge or boats and ships driver misoperation, and boats and ships directly strike the bridge and can bring very huge economic loss and casualties. In order to prevent the bridge from being damaged due to ship impact, a rigid anti-collision structure is installed outside the bridge to replace the bridge to resist the impact of the ship, but the method has high cost and can only be used once; in addition, the existing anti-collision air bag device for the bridge pier does not have anti-collision protection for the bridge span, and because the clear navigation height of the bridge is wrongly interpreted, so that a plurality of events that a ship collides with the bridge span are caused, an installation device capable of simultaneously protecting the bridge pier and the bridge span is needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome shortcoming and not enough among the prior art, provide a bridge anticollision air bag, can protect pier and bridge span simultaneously, alleviate the damage that boats and ships striking bridge caused.
The utility model discloses a realize through following technical scheme: a bridge impact air bag, in particular: comprises an air bag and a shell; the airbag is mounted in the housing; the shell comprises a panel, a bottom plate and a plurality of connecting rods; the shape of the bottom plate is adapted to the shape of the bottom plate installed at the bridge; the connecting rod is an elastic connecting rod; one end of the connecting rod is fixedly connected with the panel, the other end of the connecting rod is fixedly connected with the bottom plate, and the bottom plate is provided with a plurality of mounting through holes.
Furthermore, the elastic connecting rod comprises a first spring, a second spring and a connecting piece for connecting the first spring and the second spring, and the elastic connecting rod can rotate and fold by taking the connecting piece as a rotating shaft.
Furthermore, the two ends of the connecting piece structure are two hemispheres which are connected through a cylinder; the radius of the bottom surface of the cylinder is smaller than that of the hemispherical plane.
Furthermore, the first spring and the second spring are sleeved on the cylinder of the connecting piece through a lantern ring; the radius of the lantern ring is larger than that of the cylinder and smaller than that of the hemisphere.
Further, the spring radius of the first spring and the second spring is larger than the height of the cylinder of the connecting piece and smaller than the height of the connecting piece.
Further, the front face of the safety airbag is fixedly connected with the panel.
Further, the device also comprises a detection device, a control device and an inflation device; the inflation device is communicated with the safety airbag through a gas pipe; the information acquired by the detection device is input to the control device; the control device outputs a control air bag starting signal to the inflating device.
Further, the detection device is a radar sensor.
The utility model has the advantages as follows:
one, the utility model discloses a bridge anticollision air bag can install on bridge span and pier as required, can protect bridge span and pier simultaneously.
Two, the utility model discloses using airbag and the dry dual energy-absorbing anticollision structure of elastic connection, can effectively reducing the striking harm that boats and ships brought pier and bridge span.
Three, the utility model discloses can fold under non-collision state and accomodate, reduce and external area of contact, can reduce the loss of wind and rain to it, increase its life.
Drawings
FIG. 1 is a structural view of the bridge anti-collision airbag of the present invention in a post-inflation state;
FIG. 2 is a schematic diagram of the bridge collision avoidance airbag of the present invention in an uninflated state;
FIG. 3 is a structural view of a connecting rod of the bridge anti-collision airbag of the present invention;
FIG. 4 is a schematic view of an embodiment of the present invention applied to a bridge;
fig. 5 is a schematic view of another embodiment of the present invention applied to a bridge.
Brief description of the drawings: 1-an airbag; 2-a housing; 21-a panel; 22-a base plate; 23-a connecting rod; 231-spring one; 232-spring two; 233-connecting pieces; 31-mounting area one; 32-mounting area two; 33-mounting area three; 34-mounting area four; 35-installation area five; 36-mounting area six.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the following describes in detail specific embodiments of the present invention with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention.
As shown in fig. 1, 2 and 4, a bridge impact air bag, in particular: comprises an air bag 1 and a shell 2; the shell 2 is of a three-dimensional structure, a hollow part is arranged in the shell, and the safety airbag 1 can be arranged in the hollow part, and in addition, the shell 2 can be fixedly arranged on the bridge, so that the safety airbag 1 can be fixed on the bridge through the shell. The airbag 1 is mounted inside a housing 2. The shell 2 consists of a panel 21, a bottom plate 22 and a plurality of connecting rods 23; the shape of the bottom plate 22 is adapted to the shape of the bridge, and the bottom plate 22 is generally a straight plate or a curved plate 21, which can be applied to most bridge structures including bridges and piers. The base plate 22 serves as a structural component of the housing 2, and serves to fixedly mount the whole bridge crash airbag to any position of the bridge where the airbag 1 is to be mounted, through the base plate 22. The front face of the safety airbag 1 is fixedly connected with the panel 21, so that the contact area between the safety airbag 1 and the panel 21 is the largest and even, when the collision is received, the energy borne by the panel 21 can be uniformly distributed on the safety airbag 1, the safety airbag 1 cannot be damaged due to overlarge local stress, and the using effect of the safety airbag 1 can be maximized. Connecting rod 23 is elastic connecting rod 23, can absorb the energy through the elastic deformation of self, plays a cushioning effect for bridge anticollision air bag's anticollision buffering effect is better. One end of the connecting rod 23 is fixedly connected with the panel 21, the other end of the connecting rod is fixedly connected with the bottom plate 22, and the connecting rod 23 and the panel 21 and the bottom plate 22 can be fixedly connected through later-stage welding or formed into a whole structure in one step during production. The bottom plate 22 is provided with a plurality of mounting through holes, and the shell 2 is fixed on the bridge through the mounting through holes of the bottom plate 22 by screws, so that the bridge anti-collision safety airbag can be fixed on any position of the bridge through the mounting through holes of the bottom plate 22 as required.
With reference to fig. 3, the elastic connecting rod 23 includes a first spring 231, a second spring 232 and a connecting member 233 connecting the first spring 231 and the second spring 232, the elastic connecting rod 23 can be folded by rotating the connecting member 233 as a rotating shaft, when the airbag 1 is in an uninflated state, the connecting rod 23 is in a folded state, so that the volume of the whole bridge airbag can be reduced, the contact area of the bridge airbag subjected to natural wind and rain is reduced, the daily damage of the bridge airbag is reduced, the service life of the bridge airbag is prolonged, the maintenance and replacement period is prolonged, and the cost can be saved; when air bag 1 is in the post-inflation state, because air bag 1 inflates the back inflation volume grow, can strut panel 21 and the bottom plate 22 of shell 2, connecting rod 23 is in the state of straightening in this time, when outside extrusion bridge anticollision air bag, air bag 1 can the absorbed energy, and connecting rod 23 also can the absorbed energy because external force leads to elastic deformation, can play dual energy-absorbing cushioning effect. The connecting piece 233 is in a structure that two ends are in a semi-sphere shape, and the two semi-spheres are connected through a cylinder; the radius of the bottom surface of the cylinder is smaller than the radius of the hemispherical plane, the structure of the connecting piece 233 enables the spring connected with the connecting piece to have a rotary ring groove, and the spring cannot be separated from the connecting piece 233 when rotating around the connecting piece 233 and can be limited by the hemispheres at the two ends. The first spring 231 and the second spring 232 are sleeved on the cylinder of the connecting piece 233 through a collar, so that the first spring 231 and the second spring 232 can rotate around the connecting piece 233, and the whole connecting rod 23 can be converted in a folded and straightened state. The radius of the sleeve ring is larger than that of the cylinder and smaller than that of the hemisphere, so that the first sub-spring 231 and the second sub-spring 232 can rotate around the connecting rod 23 and can not be disengaged from the rod. The spring radius of the first spring 231 and the second spring 232 is larger than the height of the cylinder of the connecting piece 233 and smaller than the height of the connecting piece 233, the connecting rod 23 is in an extended state after the air bag 1 is inflated, and when the springs deform under stress, the springs can be sleeved on the connecting piece 233 but cannot penetrate through the connecting piece 233, so that the springs have a stress surface and can better deform in the stress direction to absorb energy.
Further, a detection device, a control device and an inflation device (not shown in the figure) are also included; the detection device can be any one of contact detection or non-contact detection, and can also be the combined action of the contact detection and the non-contact detection; the contact detection mainly comprises the steps that whether a bridge is directly or indirectly collided by a ship is detected, when the bridge is directly or indirectly collided by the ship, the detection device transmits the information that the bridge is collided to the control device for control, the control device controls the inflating device to inflate the safety airbag 1 through the air pipe, the airbag is in an inflated state in time, and damage caused by collision of the ship on the bridge is reduced; the non-contact detection is that the sensor detects the highest point, speed, course and other information of the ship, then the information is transmitted to the control device, the control device obtains whether the ship collides with the bridge through calculation, and when the calculation result is that the ship collides with the bridge, the control device controls the inflating device to inflate the airbag 1 through the gas pipe, so that the bridge anti-collision airbag is in an inflated working state, and energy absorption and buffering are prepared for the coming ship to collide with the bridge. The detection device, the control device and the inflation device are used for enabling the air bag to expand when needed to buffer the impact force of the bridge impacted by the ship, and the specific control method is not the core technical characteristic point of the invention and is common knowledge of persons in the field, so the content of a specific deep control scheme is not detailed here.
Furthermore, the detection device is a radar sensor, and the distance measurement and speed measurement effects of the radar sensor are good.
Fig. 5 provides the utility model discloses an another embodiment, bridge anticollision air bag installs on pier and bridge span, bridge anticollision air bag according to certain mode subregion, for example according to certain protection area subregion, be an installing zone subregion etc. according to two piers rather than the bridge span that spanes, then under the condition of bumping into or then prejudgement collision, only bump into or then prejudgement bridge anticollision air bag work in the subregion of collision, operation cost can be reduced on the prerequisite of the security of guaranteeing the bridge like this. The embodiment is divided into a first installation area 31, a second installation area 32, a third installation area 33, a fourth installation area 34, a fifth installation area 35 and a sixth installation area 36, wherein the first installation area 31 and the fourth installation area 34 are one areas, the second installation area 32 and the fifth safety area are two areas, the third installation area 33 and the sixth installation area 36 are three areas, when the collision area or the pre-judged collision area falls into the first area, namely the first installation area 31 and the fourth installation area 34 area, only the anti-collision airbags in the first installation area 31 and the fourth installation area 34 can act and inflate to relieve the impact of coming or coming ships striking the bridge, and the anti-collision airbags in the second installation area and the third installation area do not act; when collision occurs or the collision area is judged to fall in the first area and the second area at the same time, the bridge anti-collision safety airbags in the first area and the second area can act, and the third area does not act; only when collision occurs or the collision-prevention safety air bag of the bridge in the collision area is judged to act, and other areas do not act.
The present invention is not limited to the above-described embodiment, and various modifications and variations of the present invention are also intended to be included within the scope of the claims and the equivalent technology if they do not depart from the spirit and scope of the present invention.
Claims (8)
1. A bridge anticollision air bag which characterized in that: comprises an air bag and a shell; the airbag is mounted in the housing; the shell comprises a panel, a bottom plate and a plurality of connecting rods; the shape of the bottom plate is adapted to the shape of the bottom plate installed at the bridge; the connecting rod is an elastic connecting rod; one end of the connecting rod is fixedly connected with the panel, the other end of the connecting rod is fixedly connected with the bottom plate, and the bottom plate is provided with a plurality of mounting through holes.
2. The bridge crash airbag of claim 1, wherein: the elastic connecting rod comprises a first spring, a second spring and a connecting piece for connecting the first spring and the second spring, and the elastic connecting rod can rotate and fold by taking the connecting piece as a rotating shaft.
3. The bridge crash airbag of claim 2, wherein: the two ends of the connecting piece structure are two hemispheres which are connected through a cylinder; the radius of the bottom surface of the cylinder is smaller than that of the hemispherical plane.
4. The bridge crash airbag of claim 3, wherein: the first spring and the second spring are sleeved on the cylinder of the connecting piece through a lantern ring; the radius of the lantern ring is larger than that of the cylinder and smaller than that of the hemisphere.
5. The bridge crash airbag of claim 4, wherein: the spring radius of the first spring and the second spring is larger than the height of the cylinder of the connecting piece and smaller than the height of the connecting piece.
6. The bridge crash airbag of claim 1, wherein: the front surface of the safety airbag is fixedly connected with the panel.
7. The bridge crash airbag of claim 1, wherein: the device also comprises a detection device, a control device and an inflation device; the inflation device is communicated with the safety airbag through a gas pipe; the information acquired by the detection device is input to the control device; the control device outputs a control air bag starting signal to the inflating device.
8. The bridge crash airbag of claim 7, wherein: the detection device is a radar sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920438615.0U CN209854621U (en) | 2019-04-02 | 2019-04-02 | Bridge anti-collision safety air bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920438615.0U CN209854621U (en) | 2019-04-02 | 2019-04-02 | Bridge anti-collision safety air bag |
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| Publication Number | Publication Date |
|---|---|
| CN209854621U true CN209854621U (en) | 2019-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920438615.0U Active CN209854621U (en) | 2019-04-02 | 2019-04-02 | Bridge anti-collision safety air bag |
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| CN (1) | CN209854621U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112575673A (en) * | 2020-12-07 | 2021-03-30 | 广州船舶及海洋工程设计研究院（中国船舶工业集团公司第六0五研究院） | Heavy hammer type bridge anti-collision device and anti-collision method |
-
2019
- 2019-04-02 CN CN201920438615.0U patent/CN209854621U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112575673A (en) * | 2020-12-07 | 2021-03-30 | 广州船舶及海洋工程设计研究院（中国船舶工业集团公司第六0五研究院） | Heavy hammer type bridge anti-collision device and anti-collision method |
| CN112575673B (en) * | 2020-12-07 | 2022-08-12 | 广州船舶及海洋工程设计研究院（中国船舶工业集团公司第六0五研究院） | Heavy hammer type bridge anti-collision device and anti-collision method |
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