CN214831823U - Multipurpose folding bridge span - Google Patents
Multipurpose folding bridge span Download PDFInfo
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- CN214831823U CN214831823U CN202023103608.7U CN202023103608U CN214831823U CN 214831823 U CN214831823 U CN 214831823U CN 202023103608 U CN202023103608 U CN 202023103608U CN 214831823 U CN214831823 U CN 214831823U
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Abstract
The utility model discloses a foldable bridge span of multipurpose, include: the device comprises a middle bridge section, an end bridge section, a power system, a turnover mechanism and an inflation system; the longitudinal two ends of the middle bridge section are respectively and rotatably connected with one end bridge section; a turnover mechanism is arranged between the end bridge section and the middle bridge section, and the end bridge section is folded or unfolded relative to the middle bridge section by the turnover mechanism; the transverse two sides of the middle bridge section are respectively provided with an inflation system, the power system is arranged on the middle bridge section, and the power system and the inflation system do not act when the bridge is used for crossing roads; when the bridge span is used for water, the gas is filled through the gas filling system so as to increase the buoyancy of the bridge span; the bridge is driven by a power system to fly in water.
Description
Technical Field
The utility model relates to a flood prevention emergency rescue equipment technical field, concretely relates to foldable bridge span of multipurpose.
Background
The flood control emergency equipment mainly refers to equipment needed in a flood control engineering system or quick reaction equipment needed in the emergency process in the flood season, is generally strong in specialty, can not be replaced by general equipment, has the characteristics of rapidness, high efficiency, safety, emergency and the like, and is suitable for the external environment with severe use conditions and complex and changeable working conditions.
The method aims at the situation that the whole traffic is interrupted due to the collapse of the road and the bridge in the flood disaster, and rescue equipment, material transportation and personnel transfer are influenced. It is necessary to develop equipment which can be used for both land rescue and waterway rescue, and can ensure that people and various mechanical equipment can quickly overcome traffic obstacles such as various ditches and rivers.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a foldable bridge span of multipurpose can enough use as the dry ditch bridge on land, possesses the ability of navigating oneself on water again, can load and equip the river crossing, and simultaneously, the bridge span can be folding characteristics can make the bridge span assemble on general chassis car, the transportation of being convenient for.
The technical scheme of the utility model is that: a multi-purpose folding bridge span comprising: the device comprises a middle bridge section, an end bridge section, a power system, a turnover mechanism and an inflation system; the longitudinal two ends of the middle bridge section are respectively and rotatably connected with one end bridge section; a turnover mechanism is arranged between the two; and the two transverse sides of the middle bridge section are respectively provided with an inflation system, and the power system is arranged on the middle bridge section.
Preferably, the upper parts of two ends of the middle bridge section are respectively provided with a three-ear seat, and the lower parts of the two ends of the middle bridge section are respectively provided with a two-ear seat I; the upper part of one end of the end bridge section connected with the middle bridge section is provided with a double-lug seat II, and the lower part is provided with a single-lug seat; the upper parts of the middle bridge section and the end bridge section are matched with each other through the three-lug seat and the two-lug seat I and are hinged through the pin shaft, and the lower parts of the middle bridge section and the end bridge section are matched with each other through the two-lug seat II and the single-lug seat and are connected through the pin.
Preferably, the turnover mechanism adopts a hydraulic cylinder, the cylinder body end is arranged at the end part of the middle bridge section, and the piston end is arranged on the end bridge section on the corresponding side.
Preferably, the inflation system comprises: the air bag and the air bag pressing plate are respectively arranged on the two transverse sides of the two longitudinal ends of the middle bridge section; one end of each air bag pressing plate is rotatably connected to the upper edge of the transverse side face of the middle bridge section, and the other end of each air bag pressing plate is pressed on the air bag.
Preferably, the middle bridge section and the end bridge sections both adopt double-track bridge sections.
Has the advantages that:
1. the utility model discloses a foldable bridge span of multipurpose can realize that amphibious and transportation are convenient, can cover the emergency rescue scene by great scope, effectively promotes the guarantee efficiency of emergency rescue team.
2. The utility model discloses the concrete setting between middle-end bridge section and the middle-bridge section can enough make end bridge section looks middle-bridge section rotate folding and rotate and expand, can expand the back with end bridge section and middle-bridge section bottom stable connection again at the bridge span, simple structure, and have characteristics such as quick, high efficiency, safety, can be emergent.
3. The utility model discloses in through pneumatic cylinder upset end bridge section, the succinct high efficiency of structure, the pneumatic cylinder is equipment commonly used, and the replaceability is strong.
4. The utility model discloses the specific setting between gasbag and the gasbag clamp plate can strengthen the loading area of bridge span and increase the joint strength between gasbag and the middle bridge section.
5. The utility model provides a well bridge section and end bridge section adopt the setting of double track way bridge section, can adapt to most mechanical equipment and transport above that.
Drawings
Fig. 1 shows the bridge span of the present invention in a folded state during transportation.
Fig. 2(1) is a schematic view of a middle bridge section joint in a bridge span according to the present invention.
Fig. 2(2) is a schematic view of an end bridge section joint in a bridge span according to the present invention.
Fig. 3 is a schematic view showing the expansion of the bridge span of the present invention.
Fig. 4(1) is a front view of the bridge span in operation on land.
Fig. 4(2) is a top view of the bridge span in operation on land.
Fig. 5 is a diagram illustrating the process of inflating the airbag in the bridge span according to the present invention.
Fig. 6(1) is a front view of the bridge span in operation on water.
Fig. 6(2) is a top view of the bridge span in operation on water.
Wherein, 1-middle bridge section; 11-a three-ear seat; 12-double ear seat I; 2-end bridge section; 21-a binaural base II; 22-single ear mount; 3-a power system; 4-turning over mechanism; 5-an inflation system; 6-air bag pressing plate.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings by way of examples.
The embodiment provides a foldable bridge span of multipurpose, can enough use as the dry ditch bridge on land, possesses the ability of navigating oneself on water again, can load and equip the river crossing, and simultaneously, the characteristics that the bridge span can be folded can make the bridge span assemble on general chassis car, the transportation of being convenient for.
As shown in fig. 1, the bridge span includes: the device comprises a middle bridge section 1, an end bridge section 2, a power system 3, a turnover mechanism 4 and an inflation system 5; the longitudinal two ends of the middle bridge section 1 are respectively and rotationally connected with the two end bridge sections 2; a turnover mechanism 4 is arranged between the end bridge section and the middle bridge section, the turnover mechanism 4 is used for upwards turning the end bridge section 2 so as to be folded on the middle bridge section 1, and the turnover mechanism 4 can adjust the angle between the end bridge section 2 and the middle bridge section 1 within a set range so as to adjust the drainage volume of the bridge span and adjust the gravity center and the floating state of the bridge span; the two transverse sides of the middle bridge section 1 are respectively provided with an inflation system 5, and when the bridge span is used, the buoyancy of the bridge span can be increased through the inflation systems 5, so that the bridge span is guaranteed to better float on the water surface; the power system 3 is arranged on the middle bridge section 1 and is used for driving the bridge span to self-navigate in water; the middle bridge section 1 and the end bridge section 2 both adopt double-track bridge sections, and the width between double gauges can adapt to the transverse wheel track of most mechanical equipment;
in this embodiment, as shown in fig. 2(1), the upper parts of the two ends of the middle bridge section 1 are respectively provided with three-ear seats 11, and the lower parts are respectively provided with two-ear seats i 12; as shown in fig. 2(2), a double-lug seat ii 21 is arranged at the upper part of one end of the end bridge section 2 connected with the middle bridge section 1, and a single-lug seat 22 is arranged at the lower part; the middle bridge section 1 is matched with the upper part of the end bridge section 2 through a three-lug seat 11 and a two-lug seat I12 and is hinged through a pin shaft, the middle bridge section 1 is matched with the lower part of the end bridge section 2 through a two-lug seat II 21 and a single-lug seat 22 and is connected through a pin, and when the pin at the lower part is taken down, the end bridge section 2 can be driven to overturn relative to the middle bridge section 1 through the overturning mechanism 4; the upper part of the bridge is matched with the three-lug seat 11 and the two-lug seat I12, so that the size of the lug seat protruding out of the bridge floor is reduced, namely, the connection strength between the middle bridge section 1 and the end bridge section 2 can be ensured, and the bridge span can not be influenced to be communicated with a vehicle;
in this embodiment, the turnover mechanism 4 is a hydraulic cylinder, a cylinder body end is arranged at an end portion of the middle bridge section 1, a piston end is arranged on the end bridge section 2 on the corresponding side, when the hydraulic cylinder is extended, the end bridge section 2 can be turned and folded on the upper end surface of the middle bridge section 1, and as shown in fig. 3, when the hydraulic cylinder is shortened, the end bridge section 2 can be turned and unfolded from the upper end surface of the middle bridge section 1;
in this embodiment, as shown in fig. 5, the inflation system 5 includes an airbag and an airbag pressing plate 6, one airbag and one airbag pressing plate 6 are respectively disposed on two lateral sides of two longitudinal ends of the middle bridge section 1, and four airbags and four airbag pressing plates 6 are disposed in total; one end of each air bag pressing plate 6 is rotatably connected to the upper edge of the transverse side face of the middle bridge section 1, the other end of each air bag pressing plate is pressed on the air bag, when the air bag is not inflated, the air bag pressing plates 6 are hung at the transverse side face of the middle bridge section 1, when the air bag is inflated, the air bag pressing plates 6 are jacked up by the air bag until the air bag pressing plates are flush with the upper surface of the middle bridge section 1, the air bag pressing plates 6 protect the air bag, and meanwhile, the loading area of a bridge span can be increased, and the connecting strength between the air bag and the middle bridge section can be increased;
when in use, the bridge span can be transported by a universal chassis vehicle when in a folded state;
as shown in fig. 4(1) and 4(2), the bridge is mainly used for ensuring the vehicle to pass through the dry ditch when the bridge is operated on the land, and specifically: the turnover mechanism 4 drives the end bridge section 2 to rotate by taking the upper pin shaft as a rotating shaft, so that the end bridge section 2 can be folded or unfolded relative to the middle bridge section 1; when the end bridge section 2 is completely unfolded, namely the bottom surface of the end bridge section 2 and the bottom surface of the middle bridge section 1 are in the same plane, the double-lug seat I12 at the lower part of the end bridge section 2 and the single-lug seat 22 at the lower part of the middle bridge section 1 are connected by using a pin shaft, so that the whole bridge span is rigidly fixed; the unfolded bridge span is erected on the trunk ditch and can be used for carrying;
as shown in fig. 6(1) and 6(2), when the bridge span works on water, the bridge span is mainly used for loading vehicles and material to cross a river, at the moment, the air bags on two sides of the middle bridge section 1 are inflated, the air bags gradually open the air bag pressing plates 6 in the process of inflation, and after the air bags are filled, the air bag pressing plates 6 are flush with the upper surface of the bridge span; at the moment, the buoyancy and the loading area of the bridge span are greatly improved; the turnover mechanism 4 can adjust the angle between the end bridge section 2 and the middle bridge section 1 within a set range to adjust the drainage volume of the bridge span, thereby adjusting the gravity center and the floating state of the bridge span.
In summary, the above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A multi-purpose folding bridge span, comprising: the device comprises a middle bridge section (1), an end bridge section (2), a power system (3), a turnover mechanism (4) and an inflation system (5); the longitudinal two ends of the middle bridge section (1) are respectively and rotatably connected with one end bridge section (2); a turnover mechanism (4) is arranged between the two; the horizontal two sides of the middle bridge section (1) are respectively provided with an inflation system (5), and the power system (3) is arranged on the middle bridge section (1).
2. A multi-purpose folding bridge span according to claim 1, wherein the upper parts of both ends of the middle bridge section (1) are respectively provided with a three-ear seat (11), and the lower parts are respectively provided with a two-ear seat I (12); the upper part of one end of the end bridge section (2) connected with the middle bridge section (1) is provided with a double-lug seat II (21), and the lower part is provided with a single-lug seat (22); the upper parts of the middle bridge section (1) and the end bridge section (2) are matched with each other through a three-lug seat (11) and a two-lug seat I (12) and are hinged through a pin shaft, and the lower parts of the middle bridge section (1) and the end bridge section (2) are matched with each other through a two-lug seat II (21) and a single-lug seat (22) and are connected through a pin.
3. A multi-purpose folding bridge span according to claim 1, characterized in that the turnover mechanism (4) uses a hydraulic cylinder, the cylinder end is arranged at the end of the middle bridge segment (1) and the piston end is arranged at the end bridge segment (2) on the corresponding side.
4. A multi-purpose folding bridge according to claim 1, wherein said inflation system (5) comprises: the air bag and air bag pressing plates (6) are arranged on the two transverse sides of the two longitudinal ends of the middle bridge section (1) respectively; one end of each air bag pressing plate (6) is rotatably connected to the upper edge of the transverse side face of the middle bridge section (1), and the other end of each air bag pressing plate is pressed on an air bag.
5. A multi-purpose folding bridge span according to claim 1, wherein the middle bridge section (1) and the end bridge sections (2) are both double-track bridge sections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023103608.7U CN214831823U (en) | 2020-12-21 | 2020-12-21 | Multipurpose folding bridge span |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023103608.7U CN214831823U (en) | 2020-12-21 | 2020-12-21 | Multipurpose folding bridge span |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214831823U true CN214831823U (en) | 2021-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023103608.7U Active CN214831823U (en) | 2020-12-21 | 2020-12-21 | Multipurpose folding bridge span |
Country Status (1)
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| CN (1) | CN214831823U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2809453C1 (en) * | 2023-03-09 | 2023-12-11 | Российская Федерация, от имени которой выступает Министерство обороны Российской Федерации | Hydraulic system of folding bridge block |
-
2020
- 2020-12-21 CN CN202023103608.7U patent/CN214831823U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2809453C1 (en) * | 2023-03-09 | 2023-12-11 | Российская Федерация, от имени которой выступает Министерство обороны Российской Федерации | Hydraulic system of folding bridge block |
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