CN107858915B - Movable overpass for dredging road - Google Patents
Movable overpass for dredging road Download PDFInfo
- Publication number
- CN107858915B CN107858915B CN201711399508.3A CN201711399508A CN107858915B CN 107858915 B CN107858915 B CN 107858915B CN 201711399508 A CN201711399508 A CN 201711399508A CN 107858915 B CN107858915 B CN 107858915B
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- Prior art keywords
- bridge
- bridge plate
- transition
- base
- guide rail
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D15/00—Movable or portable bridges; Floating bridges
- E01D15/10—Travelling bridges, i.e. roller bridges; Sliding bridges; Rotary cylinder bridges, i.e. rotating about longitudinal axis to invert and raise the road
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D15/00—Movable or portable bridges; Floating bridges
- E01D15/12—Portable or sectional bridges
- E01D15/127—Portable or sectional bridges combined with ground-supported vehicles for the transport, handling or placing of such bridges or of sections thereof
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/30—Metal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a movable overpass for dredging roads, which relates to the technical field of traffic transportation dredging and aims at solving the technical problem that the prior art cannot timely utilize lanes of different lanes or even lanes of different directions for dredging. Because the overpass is provided with the third bridge plate pivot that can make 180 degrees rotations of third bridge plate, combines rotatable base carousel, can rotate suitable angle installation according to the road conditions, consequently can stride the green median easily and carry out the mediation of vehicle, this scheme is rational in infrastructure, convenient operation.
Description
Technical Field
The invention relates to the technical field of traffic transportation dredging, in particular to a movable overpass for dredging roads.
Background
With the continuous improvement of the living standard of people, private cars are more and more, and traffic accidents are also gradually increased. Particularly on a highway, if an accident happens, a large-area traffic jam can be caused, and traffic in the other direction in which the accident does not happen is sparse, only a movable overpass which is convenient for passing through the highway is adopted in the prior art, and no scheme for dredging the vehicle by using a crossing isolation belt is found. A vehicle-mounted mobile overpass as claimed in CN201410810114.2, comprising a left overpass and a right overpass that can be docked into a complete deck; the left overpass and the right overpass which are symmetrical to each other both comprise a bridge assembly module; the bridge assembly module comprises a main bridge, an approach bridge and a motor vehicle; the main bridge is hinged with the approach bridge, and the lower surfaces of the main bridge and the approach bridge are further connected through a first hydraulic rod so as to adjust the matching angle of the main bridge and the approach bridge; the approach bridge is rotatably arranged on the motor vehicle through a rotating mechanism, the rotating mechanism comprises a chassis arranged on the motor vehicle and a turntable rotatably arranged on the chassis, the approach bridge is hinged with the turntable, and the lower surface of the approach bridge is further connected with the turntable through a second hydraulic rod so as to adjust the matching angle of the approach bridge and the motor vehicle; the motor vehicle is detachably provided with a first supporting beam and a second supporting beam which are respectively used for supporting the main bridge and the approach bridge, the fixed ends of the first supporting beam and the second supporting beam are respectively hinged with the middle parts of the main bridge and the approach bridge, the free ends of the first supporting beam and the second supporting beam are clamped with a clamping seat arranged on the motor vehicle, and the motor vehicle is detachably provided with a ladder which is convenient for pedestrians to walk; the left overpass and the right overpass are in butt joint through the interconnection of the free ends of the main bridge, the end surfaces of the free ends of the main bridge of the left overpass and the right overpass are respectively provided with a laser transmitter and a laser receiver which are matched with each other so as to monitor the butt joint of the left overpass and the right overpass, the laser transmitter and the laser receiver are respectively connected with a central controller, and the central controller is positioned in a cab of the motor vehicle; the first hydraulic rod and the second hydraulic rod are respectively connected with the central controller. The technical scheme can only solve the problem that vehicles or pedestrians cross a road, two motor vehicles and two approach bridges are needed, the structure is relatively complex, and secondary accidents can be caused if the two motor vehicles and the two approach bridges are separated.
Disclosure of Invention
The invention provides a movable overpass for dredging a road, which is used for solving the technical problem that the prior art cannot timely utilize lanes in different directions or even lanes in different directions to dredge in an accident scene.
In order to solve the problems, the invention adopts the following technical scheme:
the movable overpass comprises a bridge body and a transportation device, wherein the bridge body comprises two bridge approach bridges and transition bridges with the same structure;
the conveying device is a movable bearing mechanism which is provided with wheels or tracks and can run on a road surface;
a transition bridge is fixedly arranged on the conveying device, and two bridge approaches are symmetrically arranged on two sides of the transition bridge;
the approach bridge comprises a base turntable, a base bridge deck, a first bridge plate, a second bridge plate and a third bridge plate;
the base turntables are rotatably arranged on the conveying device and symmetrically arranged on two sides of the transition bridge;
a base is fixed on the base turntable, the base is of a hollow structure in the middle, and a base bridge deck is movably arranged in the base;
the base is hinged with a first bridge plate guide rail through a first bridge plate rotating shaft, the first bridge plate guide rail is connected with one end of a base hydraulic cylinder, and the other end of the base hydraulic cylinder is connected with the base;
the first bridge plate guide rail is internally provided with a first bridge plate in a sliding way;
one end of the first bridge plate is hinged with a second bridge plate guide rail through a second bridge plate rotating shaft, and the second bridge plate guide rails are arranged on two sides of the first bridge plate and are connected with each other through a second bridge plate guide rail cross beam;
the second bridge plate guide rail is connected with one end of the bridge plate hydraulic cylinder, and the other end of the bridge plate hydraulic cylinder is connected with the first bridge plate;
the second bridge plate is arranged in the second bridge plate guide rail in a sliding way, the second bridge plate is hinged with the connecting bridge through a connecting bridge rotating shaft, a third bridge plate rotating shaft is arranged at the center position of the bridge deck of the connecting bridge and perpendicular to the ground, and the connecting bridge is hinged with the third bridge plate through the third bridge plate rotating shaft;
the transition bridge comprises a transition bridge support, a transition bridge body and a control room, wherein the transition bridge support is fixed on the conveying device, a transition bridge guide rail is arranged in the transition bridge support, a transition bridge sliding block is arranged on the transition bridge body, the transition bridge sliding block is in sliding connection with the transition bridge guide rail, and the transition bridge body can slide up and down through the cooperation of the transition bridge sliding block and the transition bridge guide rail;
the transition bridge body is of an internal hollow structure, a control chamber is arranged in the transition bridge body in a lifting manner, the control chamber can be lifted or lowered along the transition bridge body, and when the control chamber is lowered, the top surface of the control chamber is flush with the upper surface of the transition bridge body and forms a transition bridge deck capable of passing through an automobile with the upper surface of the transition bridge body.
According to the technical scheme, the bridge approach and the transition bridge can be unfolded to form the whole overpass capable of passing through the vehicle, and the vehicle can be dredged by easily crossing the greening isolation belt due to the fact that the third bridge plate rotating shaft capable of enabling the third bridge plate to rotate 180 degrees is arranged and combined with the rotatable base turntable and can be installed at a proper angle according to road conditions; after dredging, the hydraulic system and the motor system can be conveniently controlled by the control room to shrink the bridge body.
Preferably, the first bridge plate guide rails are arranged at two sides of the upper part of the base, the first bridge plate guide rails at two sides are connected with each other through the first bridge plate cross beam, a C-shaped chute is arranged on the first bridge plate guide rails, and a first bridge plate is arranged in the chute in a penetrating way;
the C-shaped sliding groove is adopted, so that the stress is more uniform, the sliding is convenient, and the first bridge plate can be prevented from falling off.
One end of the first bridge plate guide rail, which is far away from the first bridge plate rotating shaft, is connected with one end of the base hydraulic cylinder. The hydraulic cylinder is adopted to stretch out and draw back conveniently and rapidly, so that manpower is saved.
Preferably, one end of the second bridge plate guide rail, which is far away from the second bridge plate rotating shaft, is connected with one end of the bridge plate hydraulic cylinder. The farther the second bridge plate rotating shaft is, the longer the force arm is, and the more labor is saved, so that the power of the hydraulic driving device is reduced.
Preferably, the base bridge deck is provided with a base sliding block for sealing the top surface and the bottom surface, a base guide rail is arranged in the base, and the sliding block is slidably connected with the base guide rail. When the structure is adopted for retraction, the base bridge deck can be retracted and lowered, so that the space is saved.
Preferably, the connecting bridge comprises a supporting frame and a connecting bridge deck, and a space for accommodating one end of the third bridge deck is arranged on the connecting bridge deck, so that the third bridge deck can freely rotate. The bearing area of the whole overpass can be increased by additionally arranging the supporting frame, and the collapse risk is reduced.
Preferably, the third bridge deck bottom is provided with a bridge deck support for supporting the entire bridge deck. The bridge deck support frame is additionally arranged, so that the stress area of the whole overpass can be increased, and the risk of collapse is reduced.
Preferably, supporting legs are arranged around the transportation device and used for supporting the weight of the whole bridge body and the transportation device;
preferably, the transportation device is a freight truck. The existing truck is adopted, so that the design cost is saved.
Preferably, the movable overpass is made of steel or alloy materials.
Preferably, the first bridge plate, the second bridge plate and the third bridge plate are all formed by welding channel steel and steel pipes according to the structure of the ladder. The weight of the whole device can be reduced on the premise of not reducing the structural strength by adopting the channel steel or the steel pipe, so that the transportation is convenient, and the transportation cost is reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of an embodiment provided by the present invention;
FIG. 2 is a schematic diagram of a bridge approach and a bridge transition structure according to an embodiment of the present invention;
FIG. 3 is a top view of FIG. 2;
FIG. 4 is a schematic diagram of an embodiment of the present invention fully deployed;
FIG. 5 is a first bridge deck deployment schematic of an embodiment provided by the present invention;
FIG. 6 is a schematic view of a transition bridge body rise in an embodiment provided by the present invention;
FIG. 7 is a control chamber lifting schematic in an embodiment provided by the present invention;
FIG. 8 is a schematic view of a base cylinder extension in an embodiment provided by the present invention;
FIG. 9 is a schematic view of a second bridge deck extension in an embodiment provided by the present invention;
FIG. 10 is a schematic view of a bridge cylinder extension in accordance with an embodiment of the present invention;
FIG. 11 is a schematic diagram illustrating the overturning of the connecting bridge and the third bridge deck according to the embodiment of the present invention;
FIG. 12 is a control chamber retraction schematic in an embodiment provided by the present invention;
FIG. 13 is a schematic illustration of a split flow at an accident point in accordance with an embodiment of the present invention;
FIG. 14 is a schematic illustration of a split flow for unblocking at an accident point where congestion is severe in accordance with an embodiment of the present invention;
in the drawings, each reference numeral represents:
1: bridging; 100: a base turntable; 101: a base; 102: a base bridge deck; 103: a base rail; 104: a base hydraulic cylinder; 105: a first bridge plate rotating shaft; 106: a first bridge plate rail; 107: a bridge plate hydraulic cylinder; 108: a first bridge plate; 109: a second bridge plate rail; 110: a second bridge plate rotating shaft; 111: a second bridge plate; 112: a connecting bridge rotating shaft; 113: a connecting bridge; 114: a third bridge plate rotating shaft; 115: a third bridge plate;
2: a transition bridge; 20: a transition bridge support; 21: a transition bridge body; 22: a control room;
3: a transport device; 30: support legs;
4: a separator.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 14 in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The detailed description of the embodiments of the invention, generally described and illustrated in the figures herein, is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1, a movable overpass for dredging roads comprises a bridge body and a transportation device 3, wherein the bridge body comprises two bridge approaches 1 and transition bridges 2 with the same structure; the transporting device 3 is a movable bearing mechanism provided with wheels or tracks and capable of running on the road surface, and a freight truck is preferably adopted as the transporting device in the embodiment; the transition bridge 2 is fixedly arranged on the transportation device 3, two sides of the transition bridge 2 are symmetrically provided with an approach bridge 1, and as the overpass is used for dredging automobiles, the overpass is made of materials with high strength and bearing capacity, such as steel or alloy, and the like, and the embodiment is preferably made of steel materials, in particular square pipes and round pipes. In order to ensure that the transporting device 3 can bear the weight of the transporting device and the weight of the automobile passing over the transporting device, supporting legs 30 are arranged around the transporting device 3, the supporting legs 30 can be supported by a screw or a hydraulic cylinder, the hydraulic cylinder is preferably supported in the embodiment, and the specific structure can be used for referencing an automobile crane.
The drawing is limited to be too long after being unfolded, so that the content in the drawing is not clear, and half of the overpass is omitted (only half of the overpass can be used for clearly explaining the whole structure and principle because the overpass has the same structure), as shown in fig. 2 and 3, the overpass 1 comprises a base turntable 100, a base 101, a base bridge deck 102, a first bridge plate 108, a second bridge plate 111 and a third bridge plate 115; the base turntable 100 is rotatably arranged on the transportation device 3 and symmetrically arranged on two sides of the transition bridge 2; the structure of the base turntable 100 may also be referred to as a rotating structure of a hoist or an excavator, and is not described herein with emphasis. The base turntable 100 is fixed with a base 101 by bolts, the base 101 is of a hollow structure in the middle, and a base bridge deck 102 is movably arranged in the base 101. The base bridge deck 102 is provided with a base sliding block on the closed top surface and the bottom surface, a base guide rail 103 is arranged in the base 101, and the sliding block is slidably connected with the base guide rail 103; the base 101 is hinged with a first bridge plate guide rail 106 through a first bridge plate rotating shaft 105, the first bridge plate guide rail 106 is connected with one end of a base hydraulic cylinder 104, the other end of the base hydraulic cylinder 104 is connected with the base 101, and a first bridge plate 108 is slidably arranged in the first bridge plate guide rail 106; the first bridge plate guide rails 106 are arranged on two sides of the upper part of the base 101, C-shaped sliding grooves are formed in the first bridge plate guide rails 106, and first bridge plates 108 are arranged in the sliding grooves in a penetrating mode; one end of the first bridge plate guide rail 106, which is far away from the first bridge plate rotating shaft 105, is connected with one end of the base hydraulic cylinder 104. One end of the first bridge plate 108 is hinged with a second bridge plate guide rail 109 through a second bridge plate rotating shaft 110, the second bridge plate guide rail 109 is also arranged into a C-shaped structure, and the second bridge plate guide rails 109 are arranged on two sides of the first bridge plate 108 and are connected with each other through second bridge plate guide rail beams; the second bridge plate guide rail 109 is connected with one end of the bridge plate hydraulic cylinder 107, and the other end of the bridge plate hydraulic cylinder 107 is connected with the first bridge plate 108; one end of the second bridge plate rail 109, which is far away from the second bridge plate rotating shaft 110, is connected to one end of the bridge plate hydraulic cylinder 107. A second bridge plate 111 is slidably arranged in the second bridge plate guide rail 109 in a penetrating manner, the second bridge plate 111 is hinged with a connecting bridge 113 through a connecting bridge rotating shaft 112, a third bridge plate rotating shaft 114 is arranged at the center position of the bridge deck of the connecting bridge 113 and perpendicular to the ground, and the connecting bridge 113 is hinged with a third bridge plate 115 through the third bridge plate rotating shaft 114; the connection bridge 113 includes a support frame and a connection bridge deck provided with a space accommodating one end of the third bridge plate 115 such that the third bridge plate 115 can freely rotate. The third bridge plate 115 is provided with a bridge plate supporting frame at the bottom thereof for supporting the entire bridge plate. The transition bridge 2 comprises a transition bridge support 20, a transition bridge body 21 and a control room 22, wherein the transition bridge support 20 is fixed on the transportation device 3, a transition bridge guide rail is arranged in the transition bridge support 20, a transition bridge sliding block is arranged on the transition bridge body 21, the transition bridge sliding block is in sliding connection with the transition bridge guide rail, and the transition bridge body 21 can slide up and down through the cooperation of the transition bridge sliding block and the transition bridge guide rail; the transition bridge body 21 is of an internal hollow structure, a control chamber 22 is arranged in the transition bridge body 21 in a liftable manner, the control chamber 22 can be lifted or lowered along the transition bridge body 21, and when the control chamber 22 is lowered, the top surface of the control chamber 22 is flush with the upper surface of the transition bridge body 21 and forms a transition bridge deck capable of passing through an automobile with the upper surface of the transition bridge body 21.
The whole overpass consists of 2 approach bridges 1, a transition bridge 2 and a transportation device 3, and after being unfolded, as shown in fig. 4, the dredged vehicle can pass through the accident point through the approach bridges 1 and the transition bridge 2 at two ends.
The overpass deployment process is described in detail below in conjunction with fig. 1 and 4-12.
As shown in fig. 1, after the truck-type transportation device 3 is moved to an accident site where dredging diversion is required, the support legs 30 are lowered;
as shown in fig. 5, the first bridge plate 108 is pulled out to both ends along the first bridge plate rail 106;
as shown in fig. 6, the transition bridge body 21 is lifted and fixed upwards along the transition bridge support 20, and since the control chamber 22 is embedded in the transition bridge body 21, when the transition bridge body 21 is lifted, the control chamber 22 is lifted, and the lifting method can be manual or hydraulic cylinder lifting, and is not limited herein;
as shown in fig. 7, the control chamber 22 is lifted and fixed upwards along the transition bridge body 21, and the lifting method can be manual or hydraulic cylinder lifting, which is not limited herein; the control room 22 is provided therein with a control device for controlling the hydraulic and electric of the overall device, and the control device is a reference to the conventional hydraulic control system, such as an excavator, a loader, a crane, etc., and is not described in detail herein because it is a known technology. After the control room 22 is lifted, an operator can enter the control room 22 to operate the hydraulic control system of the overpass;
as shown in fig. 8, the base hydraulic cylinder 104 is controlled to extend, and the bridge plate of the approach bridge is rotated and tilted downwards along the first bridge plate rotating shaft 105;
as shown in fig. 9, the second bridge plate 111 is pulled out along the second bridge plate rail 109;
as shown in fig. 10, the control bridge plate hydraulic cylinder 107 is extended such that the second bridge plate rail 109 and the second bridge plate 111 are rotated and tilted at a certain angle along the second bridge plate rotation shaft 110;
as shown in fig. 11, the connecting bridge 113 and the third bridge plate 115 are rotated along the connecting bridge rotation shaft 112, so that the supporting frames of the connecting bridge 113 and the third bridge plate 115 are contacted with the ground;
after the deployment of the approach bridge is completed, as shown in fig. 12, the control cabin 22 is lowered along the transition bridge body 21 until the top surface of the control cabin 22 is flush with the base deck 102, so that the dredged car passes over.
It should be noted that, in the unfolding process, the angle of the whole approach bridge 1 can be adjusted through the base turntable 100, and the angle between the connecting bridge 113 and the third bridge plate 115 can be realized through the third bridge plate rotating shaft 114, and the unfolding state at the time of dredging and shunting at the accident point as shown in fig. 13 can be realized through the adjustment and the cooperation of the angles; fig. 14 is a schematic diagram of dredging and shunting at an accident point with serious congestion, as shown in fig. 14, when large-scale congestion occurs before and after the accident point, a single overpass shown in fig. 13 cannot be inserted into the congested traffic flow, so that dredging can be realized in the form of two overpasses.
Claims (10)
1. A movable overpass for dredging road, includes the bridge body and conveyer (3), its characterized in that:
the bridge body comprises two approach bridges (1) and transition bridges (2) with the same structure;
the conveying device (3) is a movable bearing mechanism which is provided with wheels or tracks and can run on the road surface;
a transition bridge (2) is fixedly arranged on the conveying device (3), and two approach bridges (1) are symmetrically arranged on two sides of the transition bridge (2);
the approach bridge (1) comprises a base turntable (100), a base (101), a base bridge deck (102), a first bridge plate (108), a second bridge plate (111) and a third bridge plate (115);
the base turntables (100) are rotatably arranged on the conveying device (3) and symmetrically arranged on two sides of the transition bridge (2);
a base (101) is fixed on the base turntable (100), the base (101) is of a hollow structure in the middle, and a base bridge deck (102) is movably arranged in the base (101);
the base (101) is hinged with the first bridge plate guide rail (106) through the first bridge plate rotating shaft (105), the first bridge plate guide rail (106) is connected with one end of the base hydraulic cylinder (104), and the other end of the base hydraulic cylinder (104) is connected with the base (101);
a first bridge plate (108) is arranged in the first bridge plate guide rail (106) in a sliding way;
one end of the first bridge plate (108) is hinged with a second bridge plate guide rail (109) through a second bridge plate rotating shaft (110), and the second bridge plate guide rails (109) are arranged on two sides of the first bridge plate (108) and are connected with each other through second bridge plate guide rail beams;
the second bridge plate guide rail (109) is connected with one end of the bridge plate hydraulic cylinder (107), and the other end of the bridge plate hydraulic cylinder (107) is connected with the first bridge plate (108);
a second bridge plate (111) is slidably arranged in the second bridge plate guide rail (109), the second bridge plate (111) is hinged with a connecting bridge (113) through a connecting bridge rotating shaft (112), a third bridge plate rotating shaft (114) is arranged at the center position of the bridge floor of the connecting bridge (113) perpendicular to the ground, and the connecting bridge (113) is hinged with a third bridge plate (115) through the third bridge plate rotating shaft (114);
the transition bridge (2) comprises a transition bridge support (20), a transition bridge body (21) and a control room (22), wherein the transition bridge support (20) is fixed on the conveying device (3), a transition bridge guide rail is arranged in the transition bridge support (20), a transition bridge sliding block is arranged on the transition bridge body (21), the transition bridge sliding block is in sliding connection with the transition bridge guide rail, and the transition bridge body (21) can slide up and down through the cooperation of the transition bridge sliding block and the transition bridge guide rail;
the transition bridge body (21) is of an internal hollow structure, a control chamber (22) is arranged in the transition bridge body (21) in a lifting manner, the control chamber (22) can be lifted or lowered along the transition bridge body (21), and when the control chamber (22) is lowered, the top surface of the control chamber (22) is flush with the upper surface of the transition bridge body (21) and forms a transition bridge deck capable of passing through an automobile with the upper surface of the transition bridge body (21).
2. The movable overpass for dredging a road of claim 1, wherein:
the first bridge plate guide rails (106) are arranged on two sides of the upper part of the base (101), the first bridge plate guide rails (106) on the two sides are connected with each other through first bridge plate cross beams, a C-shaped sliding groove is formed in the first bridge plate guide rails (106), and a first bridge plate (108) is arranged in the sliding groove in a penetrating mode;
one end of the first bridge plate guide rail (106) far away from the first bridge plate rotating shaft (105) is connected with one end of the base hydraulic cylinder (104).
3. The movable overpass for dredging a road of claim 1, wherein:
one end of the second bridge plate guide rail (109) far away from the second bridge plate rotating shaft (110) is connected with one end of the bridge plate hydraulic cylinder (107).
4. The movable overpass for dredging a road of claim 1, wherein:
the base bridge deck (102) is provided with a base sliding block for sealing the top surface and the bottom surface, a base guide rail (103) is arranged in the base (101), and the sliding block is slidably connected with the base guide rail (103).
5. The movable overpass for dredging a road of claim 1, wherein:
the connecting bridge (113) comprises a supporting frame and a connecting bridge deck, and a space for accommodating one end of the third bridge deck (115) is arranged on the connecting bridge deck, so that the third bridge deck (115) can freely rotate.
6. The movable overpass for dredging a road of claim 1, wherein:
the bottom of the third bridge plate (115) is provided with a bridge plate supporting frame for supporting the whole bridge plate.
7. The movable overpass for dredging a road of claim 1, wherein:
supporting legs (30) are arranged around the transportation device (3) and used for supporting the weight of the whole bridge body and the transportation device.
8. The movable overpass for dredging a road of claim 1, wherein:
the transport device (3) is a freight truck.
9. The movable overpass for dredging a road of claim 1, wherein:
the movable overpass is made of steel or alloy materials.
10. The movable overpass for dredging a road of claim 1, wherein:
the first bridge plate (108), the second bridge plate (111) and the third bridge plate (115) are welded by adopting channel steel and steel pipes according to the structure of the ladder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711399508.3A CN107858915B (en) | 2017-12-22 | 2017-12-22 | Movable overpass for dredging road |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711399508.3A CN107858915B (en) | 2017-12-22 | 2017-12-22 | Movable overpass for dredging road |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107858915A CN107858915A (en) | 2018-03-30 |
| CN107858915B true CN107858915B (en) | 2023-08-22 |
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ID=61707107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711399508.3A Active CN107858915B (en) | 2017-12-22 | 2017-12-22 | Movable overpass for dredging road |
Country Status (1)
| Country | Link |
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| CN (1) | CN107858915B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108643022B (en) * | 2018-05-18 | 2020-01-07 | 江西电力职业技术学院 | Movable road bridge and road bridge vehicle |
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| CN107858915A (en) | 2018-03-30 |
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