CN115772842A - Vehicle-mounted emergency mechanized bridge erected in front of bridge body - Google Patents
Vehicle-mounted emergency mechanized bridge erected in front of bridge body Download PDFInfo
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- CN115772842A CN115772842A CN202211592962.1A CN202211592962A CN115772842A CN 115772842 A CN115772842 A CN 115772842A CN 202211592962 A CN202211592962 A CN 202211592962A CN 115772842 A CN115772842 A CN 115772842A
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Abstract
The invention discloses a vehicle-mounted emergency mechanized bridge with a bridge body erected in front, which comprises a carrier vehicle, wherein the front end of the carrier vehicle is provided with a cab and an observation room, the cab and the observation room are arranged at intervals, an erecting mechanism is arranged between the cab and the observation room, the rear parts of the cab and the observation room are provided with a bearing frame, a bridge span assembly is supported above the bearing frame, the lower part of the bearing frame is connected with a lifting assembly, the lifting assembly can lift the bearing frame and the bridge span assembly and enables the bridge span assembly to be connected with the erecting mechanism, and the erecting mechanism can erect the bridge span assembly to a target position. The vehicle-mounted emergency mechanized bridge erected in front of the bridge body is ingenious in structural design, and the erecting mechanism is arranged between the cab and the observation room, so that the function of erecting the emergency mechanized bridge in front is realized, the problem of turning around of vehicles is avoided, the efficiency of erecting the mechanized bridge and the adaptive capacity of the environment are improved, and the erection of the mechanized bridge on rivers or canyons is realized safely, reliably and efficiently.
Description
Technical Field
The invention relates to the field of bridge erection, in particular to a vehicle-mounted emergency mechanized bridge erected in front of a bridge body.
Background
The mechanized bridge is one kind of bridge, and mainly can erect fast in the position such as the river canyon that does not have fixed bridge as temporary bridge use. The emergency mechanical bridge is a means with highest efficiency and quickest speed undoubtedly in various means of rushing through damaged roads and bridges.
The existing mechanical bridges are basically transported by trucks and other automobiles capable of transporting heavy goods. Folded over the body of the car during transport, unfolded from the body during use, erected over a river or canyon, and then the vehicle can be detached from the body of the mechanized bridge. Most of the mechanized bridges are erected after the bridge body, namely: the bridge body extends out of the tail of the carrying vehicle for erection, so that the vehicle needs to turn around when driving to an erection site and backs to the site needing erection, and in areas with complex environments such as disaster areas and the like, backing and turning around are difficult and time is wasted, and the efficiency of bridge erection is seriously influenced; in addition, when a mechanical bridge erected behind the bridge body is erected, the center of gravity can be changed to cause overlarge load at the tail of the vehicle, so that the risk of lifting the front end of the vehicle is caused, and the safety of a driver is seriously damaged. Therefore, the invention is urgently needed to provide a vehicle-mounted emergency mechanized bridge with a bridge body erected in front, which solves the above-mentioned great technical problems and safely, reliably and efficiently realizes erection of the mechanized bridge on rivers or canyons.
Disclosure of Invention
The invention provides a vehicle-mounted emergency mechanized bridge erected in front of a bridge body, which has the effect of safely, reliably and efficiently erecting the mechanized bridge on rivers or canyons. The specific technical scheme is as follows:
the utility model provides a bridge body leading-in erects on-vehicle emergent mechanized bridge, wherein, including the carrier loader, the front end of carrier loader is provided with driver's cabin and observation room, driver's cabin and observation room interval set up, be provided with between driver's cabin and the observation room and erect the mechanism, the rear portion of driver's cabin and observation room is provided with bears the frame, bear the frame top and bear the bridge span subassembly, it links to each other with the subassembly that lifts to bear the frame below, it can lift up bearing frame and bridge span subassembly to lift the subassembly, and make bridge span subassembly link to each other with the mechanism that erects, the mechanism that erects can erect the bridge span subassembly to the target location.
Furthermore, the bridge span assembly comprises a first bridge span and a second bridge span, the first bridge span and the second bridge span are detachably connected, and the first bridge span and the second bridge span are connected to form the mechanical bridge body.
Further, the first bridge span comprises a first bridge span unit and a second bridge span unit which are arranged in bilateral symmetry, the first bridge span unit and the second bridge span unit are movably arranged on the unfolding frame, and the first bridge span unit and the second bridge span unit can transversely move relative to the unfolding frame to realize unfolding and folding of the first bridge span.
Furthermore, the bridge span assembly also comprises a unfolding driving assembly which can drive the first bridge span and the second bridge span to be unfolded and folded; the unfolding driving assembly comprises an unfolding driving frame, two sides of the unfolding driving frame are respectively and movably provided with a supporting bracket, two unfolding hydraulic oil cylinders are respectively fixed on two sides of the unfolding driving frame, an output shaft of each unfolding hydraulic oil cylinder is connected with the supporting bracket, the unfolding hydraulic oil cylinders can drive the supporting brackets to move on the unfolding driving frame, and the two supporting brackets are respectively connected with the lower surfaces of a first bridge span unit and a second bridge span unit of a first bridge span or the lower surfaces of a third bridge span unit and a fourth bridge span unit of a second bridge span so as to drive the first bridge span unit and the second bridge span unit to unfold.
Further, the erection mechanism comprises a fixed frame and a movable frame, the fixed frame is connected with the carrier loader, and the movable frame can move relative to the fixed frame; the lower part of the movable frame is provided with movable pin teeth, the fixed frame is provided with a movable gear, the movable gear is meshed with the movable pin teeth, the movable gear is connected with a movable motor, and the movable motor can drive the movable gear to rotate so as to drive the movable frame to move relative to the fixed frame.
Furthermore, a plurality of bridge span rollers and a plurality of bridge span gears are arranged on two sides of the moving frame, the inner side walls of the first bridge span unit, the second bridge span unit, the third bridge span unit and the fourth bridge span unit are provided with an upper rail and a lower rail, a track for moving the bridge span rollers and the bridge span gears is formed between the upper rail and the lower rail, and bridge span pin teeth matched with the bridge span gears are arranged in the upper rail; the bridge span gear can be meshed with the bridge span pin teeth, and the bridge span gear rotates to drive the first bridge span to move on the moving frame.
Furthermore, the fixed frame is hinged to the carrying vehicle, and the fixed frame can rotate in the vertical direction relative to the carrying vehicle so as to drive the movable frame to rotate in the vertical direction.
Further, the lifting assembly comprises a front lifting assembly and a rear lifting assembly, the front lifting assembly is arranged at the front position of the bearing frame, the rear lifting assembly is arranged at the rear position of the bearing frame, and the front lifting assembly and the rear lifting assembly lift the bearing frame together.
Furthermore, the front lifting assembly comprises a lifting support, one end of the lifting support is hinged with the carrier loader, the other end of the lifting support is arranged below the front end of the carrier loader to support the carrier loader, the middle position of the lifting support is connected with a first lifting oil cylinder, and the first lifting oil cylinder can drive the lifting support to rotate relative to the carrier loader so as to lift the carrier loader; the rear lifting assembly comprises a hinged support and a second lifting oil cylinder, one end of the hinged support is hinged to the carrying vehicle, and the other end of the hinged support is hinged to the rear position of the bearing frame. The middle position of the hinged support is hinged with an output shaft of the second lifting oil cylinder, and the second lifting oil cylinder is hinged at the rear position of the carrier loader.
Furthermore, a first supporting assembly is arranged below the front end of the carrier loader, a second supporting assembly is arranged at the rear end of the carrier loader, and the first supporting assembly and the second supporting assembly can support the carrier loader so as to improve the stability of the carrier loader when the mechanical bridge is erected.
The vehicle-mounted emergency mechanized bridge erected in front of the bridge body is ingenious in structural design, the traditional vehicle head is divided into the cab and the observation room, and the erecting mechanism is arranged between the cab and the observation room, so that the function of erecting the front of the emergency mechanized bridge is realized, the problem of vehicle turning is avoided, and the efficiency of erecting the mechanized bridge and the adaptability of the environment are improved; the bridge span is driven to move through the matching of the gear and the pin teeth, the bridge span moves stably, the moving distance is accurate, and the position of the bridge span can be stopped and fixed at any time; the rotatable erecting mechanism facilitates the unloading of the bridge span, greatly saves manpower, and safely, reliably and efficiently realizes the erection of the mechanized bridge on rivers or canyons.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 is a perspective view of a vehicle-mounted emergency mechanized bridge with a bridge body pre-arranged according to the present invention;
FIG. 2 is a top view of the bridge span assembly of the vehicular emergency motorized bridge of the present invention with the bridge body pre-set;
FIG. 3 is a top plan view of another embodiment of a bridge span assembly of a pre-bridgebody mounted vehicular emergency robotic bridge of the present invention;
FIG. 4 is an exploded view of the bridge span components of a pre-bridge mounted vehicular emergency mechanized bridge of the present invention when connected;
fig. 5 is a side view of the bridge span assembly of the vehicle-mounted emergency mechanized bridge with the bridge body erected in front, when connected:
FIG. 6 is a schematic view of the connection of the deployment drive assembly and the bridge span assembly of the vehicular emergency motorized bridge with the bridge body pre-set according to the present invention;
fig. 7 is a side view of the erecting mechanism of the vehicle-mounted emergency mechanized bridge with the bridge body pre-erected according to the present invention;
FIG. 8 is a perspective view of the bottom of the mobile frame of the vehicular emergency mechanized bridge with the bridge body erected in front;
fig. 9 is a schematic view of the connection of the first bridge span and the erecting mechanism of the vehicle-mounted emergency mechanized bridge with the bridge body erected in front;
fig. 10 is a schematic view of the connection of the guide rail of the first bridge span of the vehicle-mounted emergency mechanized bridge with the bridge body pre-arranged and the movable frame;
fig. 11 is a schematic view 1 of the connection of the second bridge span and the first connection of the vehicle-mounted emergency mechanized bridge with the bridge body pre-set according to the present invention;
fig. 12 is a schematic view 2 of the connection of the second bridge span with the first connection of the vehicle-mounted emergency mechanized bridge with the bridge body pre-set according to the present invention;
fig. 13 is a schematic view 3 of the connection of the second bridge span with the first connection of the vehicle-mounted emergency mechanized bridge with its bridge body pre-set according to the present invention;
FIG. 14 is a schematic view of the bridge span assembly of a pre-bridgebody erected vehicular emergency mechanized bridge of the present invention extended to the river-opposite bank;
FIG. 15 is a schematic view of the bridge span assembly of the vehicular emergency mechanized bridge with the bridge body erected in front of the invention inclining and abutting against the opposite bank of the river;
FIG. 16 is a schematic illustration of the bridge span assembly of a pre-bridgebody erected vehicular emergency motorized bridge of the present invention placed on the ground;
fig. 17 is a schematic view of a carrier vehicle backing after the bridge span assembly of the vehicle-mounted emergency mechanized bridge erected in the front of the bridge body is erected.
Detailed Description
In order to better understand the purpose, function and specific design scheme of the invention, the vehicular emergency mechanized bridge with the bridge body front-mounted of the invention is further described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 17, the vehicle-mounted emergency mechanized bridge erected in front of the bridge body of the invention includes a carrier vehicle 1, a cab 11 and an observation room 12 are arranged at the front end of the carrier vehicle 1, the cab 11 and the observation room 12 are arranged at an interval, an erecting mechanism 2 is arranged between the cab 11 and the observation room 12, a first support assembly 31 is arranged below the front end of the carrier vehicle 1, a second support assembly 32 is arranged at the rear end of the carrier vehicle 1, and the first support assembly 31 and the second support assembly 32 can support the carrier vehicle 1, so as to improve the stability of the carrier vehicle 1 when the mechanized bridge is erected. The rear parts of the cab 11 and the observation room 12 are provided with a bearing frame 13, the bridge span assembly 4 is carried above the bearing frame 13, the lifting assembly 5 is connected below the bearing frame 13, the lifting assembly 5 can lift the bearing frame 13 and the bridge span assembly 4, the bridge span assembly 4 is connected with the erection mechanism 2, and the erection mechanism 2 can erect the bridge span assembly 4 to a target position (a position where a mechanical bridge needs to be erected, such as a river or a canyon).
Specifically, as shown in fig. 2-6, the bridge span assembly 4 includes a first bridge span 41 and a second bridge span 42, the first bridge span 41 is detachably connected to the second bridge span 42, and the first bridge span 41 is connected to the second bridge span 42 to form a mechanical bridge body. The first bridge span 41 comprises a first bridge span unit 411 and a second bridge span unit 412 which are arranged in bilateral symmetry, the first bridge span unit 411 and the second bridge span unit 412 are movably arranged on the unfolding frame 43, and the first bridge span unit 411 and the second bridge span unit 412 can move transversely relative to the unfolding frame 43 to realize the unfolding and folding of the first bridge span 41. The expansion frame 43 comprises a fixed beam 431, a plurality of expansion beams 432 are transversely arranged on the fixed beam 431, a plurality of beam holes matched with the expansion beams 432 in shape are arranged on the inner side walls of the first bridge span unit 411 and the second bridge span unit 412, and the expansion beams 432 can be inserted into the beam holes so as to realize that the first bridge span unit 411 and the second bridge span unit 412 can transversely move relative to the expansion frame 43.
The lower surfaces of the first bridge span unit 411 and the second bridge span unit 412 are horizontally arranged so as to be conveniently attached to the ground, the upper surfaces of the first bridge span unit 411 and the second bridge span unit 412 are obliquely arranged, and the height of one end, away from the second bridge span 42, of the first bridge span unit 411 and the second bridge span unit 412 is lower than that of one end, close to the second bridge span 42, of the first bridge span unit 411 and the second bridge span unit 412, so that the vehicle can conveniently run from the ground to the mechanical bridge or from the mechanical bridge to the ground. Preferably, a plurality of rib-shaped protrusions are disposed on the upper surfaces of the first and second bridge units 411 and 412 to increase the friction force between the upper surfaces of the first and second bridge units 411 and 412, thereby improving the safety of the vehicle during driving. Preventing the vehicle from skidding on the mechanical bridge.
The second bridge span 42 includes a third bridge span unit 421 and a fourth bridge span unit 422, which are symmetrically arranged, and the second bridge span 42 and the first bridge span 41 have the same structure, which is not described herein. It is worth noting that the first bridge span 41 is connected with the second bridge span 42 through the third-joint connector 44, the third-joint connector 44 comprises third-joint connectors 441 and Ding Jietou 442, the third-joint connectors 441 and Ding Jietou are respectively fixed on the first bridge span 41 and the second bridge span 42, the third-joint connector 442 comprises a connecting protrusion, the third-joint connector 441 comprises a connecting hole matched with the connecting protrusion, and the connecting protrusion of the Ding Jietou 442 can be inserted into the connecting hole of the third-joint connector 441 to realize the connection of the third-joint connector 44, so that the first bridge span 41 is connected with the second bridge span 42.
Preferably, the third bridge span Ding Jietou of the present embodiment is disposed at a position below the first bridge span 41 and the second bridge span 42, the first bridge span 41 and the second bridge span 42 are respectively provided with the groove top block 451 and the protrusion top block 452 at a position above the first bridge span 41 and the second bridge span 42, the cross-sectional area of the connecting hole of the third bridge span 441 is larger than the area of the connecting protrusion of Ding Jietou, and the connecting protrusion of Ding Jietou is movable in the connecting hole of the third bridge span 441, so that the first bridge span 41 can rotate at a certain angle relative to the second bridge span 42, and the groove top block 451 and the protrusion top block 452 at the position above the first bridge span 41 and the second bridge span 42 can be engaged with each other. After the first bridge span 41 is connected with the second bridge span 42, the upper groove top block 451 and the upper protrusion top block 452 are embedded along the horizontal direction, the lower propane joints 441 and Ding Jietou 442 are embedded along the vertical direction, the groove top block 451 and the protrusion top block 452 bear the pressure in the vertical direction, and the propane joint 44 bears the tension in the horizontal direction.
It is worth noting that a hook assembly is further arranged above the first bridge span 41 and the second bridge span 42 in the embodiment, the hook assembly includes a hook 471 and a hanging rod 472, the hook 471 is fixed at a position above the first bridge span 41 or the second bridge span 42, the hanging rod 472 is arranged at a position above the second bridge span 42 or the first bridge span 41, and after the first bridge span 41 is connected with the second bridge span 42, the hook 471 can be hooked with the hanging rod 472, so that the reliability of connection between the first bridge span 41 and the second bridge span 42 is enhanced. Preferably, the hanging rod 472 is movably arranged on the second bridge span 42 or the first bridge span 41, the hanging rod 472 is connected with a connecting rod, the connecting rod is connected with a handle, and the handle is rotated to drive the hanging rod 472 to move, so that the hook 471 is connected with or disconnected from the hanging rod 472, and the first bridge span 41 and the second bridge span 42 are conveniently connected and detached.
It should be noted that the first bridge span 41 of the present embodiment is stacked above the second bridge span 42, the second bridge span 42 is placed on the support bracket 462 of the deployment driving assembly 46, the deployment driving assembly 46 is fixedly connected to the carrier 13, and the deployment driving assembly 46 can drive the third bridge span unit 421 and the fourth bridge span unit 422 of the second bridge span 42 to deploy, and simultaneously, the first bridge span unit 411 and the second bridge span unit 412 are deployed synchronously under the driving of friction force.
As shown in fig. 7-11, the erecting mechanism 2 includes a fixed frame 21 and a movable frame 22, the fixed frame 21 is connected to the carrier vehicle 1, the movable frame 22 is movable relative to the fixed frame 21, a movable pin 23 is disposed below the movable frame 22 in this embodiment, a movable gear 24 is disposed on the fixed frame 21, the movable gear 24 is engaged with the movable pin 23, the movable gear 24 is connected to a movable motor, and the movable motor can drive the movable gear 24 to rotate so as to drive the movable frame 22 to move relative to the fixed frame 21.
A plurality of bridge rollers 25 and a plurality of bridge gears 26 are arranged on both sides of the moving frame 22, the inner side walls of the first bridge unit 411, the second bridge unit 412, the third bridge unit 421 and the fourth bridge unit 422 are provided with an upper rail 481 and a lower rail 482, a track for the bridge rollers 25 and the bridge gears 26 to move is formed between the upper rail 481 and the lower rail 482, and bridge pin teeth matched with the bridge gears 26 are arranged in the upper rail 481.
The lifting assembly 5 can lift the first bridge span 41, and make the track of the first bridge span 41 opposite to the bridge span rollers 25 and the bridge span gears 26 on both sides of the moving frame 22, and the moving frame 22 moves towards the first bridge span 41 to make the bridge span rollers 25 accommodated in the track and the bridge span gears 26 engaged with the bridge span pin teeth. The first bridge span 41 is driven to move on the moving frame 22 by the rotation of the bridge span gear 26. The bridge span gear 26 of the present embodiment is connected to a gear shaft, a driving gear is disposed on the gear shaft, the driving gear is connected to a driving motor through a chain or a gear set, and the driving motor can drive the bridge span gear 26 to rotate.
When the first bridge span 41 moves to the preset position, the lifting assembly 5 can lift the second bridge span 42, and connect the first bridge span 41 with the propane-butadiene joint 44 on the second bridge span 42, and then lift the second bridge span 42 by the lifting assembly 5, so that the groove top blocks 451 and the protrusion top blocks 452 on the first bridge span 41 and the second bridge span 42 are engaged to realize the connection of the first bridge span 41 and the second bridge span 42, and the track of the second bridge span 42 is opposite to the bridge span rollers 25 and the bridge span gears 26 on both sides of the moving frame 22, and the bridge span gears 26 continue to drive the first bridge span 41 to move on the moving frame 22, that is, the bridge span rollers 25 can be accommodated in the track of the second bridge span 42, and the bridge span gears 26 are engaged with the bridge span pin teeth of the second bridge span 42, so as to realize the movement of the second bridge span 42.
The fixed frame 21 is hinged to the carrier loader 1, and the fixed frame 21 can rotate in the vertical direction relative to the carrier loader 1 to drive the movable frame 22 to rotate in the vertical direction. The middle position of the fixing frame 21 of the embodiment is hinged to the carrier loader 1, the rear end of the fixing frame 21 is connected with the erection oil cylinder 27, the erection oil cylinder 27 is fixedly arranged on the carrier loader 1, and the erection oil cylinder 27 can drive the fixing frame 21 to rotate in the vertical direction relative to the carrier loader 1.
When the front end of the first bridge span 41 moves to the opposite side of the river or the canyon, the erection cylinder 27 drives the fixed frame 21 to rotate in the vertical direction relative to the carrier vehicle 1, so that the first bridge span 41 and the second bridge span 42 rotate, the front end of the first bridge span 41 contacts the ground, then the fixed frame 21 continues to rotate, the bridge span gear 26 is separated from the second bridge span 42, then the first support assembly 31 and the second support assembly 32 are retracted, and the carrier vehicle 1 backs up, so that the movable frame 22 is separated from the second bridge span 42, and the erection of the bridge spans can be realized.
It should be noted that, as shown in fig. 2-3, the bridge span assembly 4 further comprises two gap-filling plates 491, wherein, after the bridge span is erected, the gap-filling plates 491 are fixedly connected with the inner sides of the front ends of the first bridge span unit 411 and the second bridge span unit 412 and the inner sides of the rear ends of the third bridge span unit 421 and the fourth bridge span unit 422. The gap filling plate 491 can fill the gap between the first and second bridge span units 411, 412 and the third and fourth bridge span units 421, 422, so as to facilitate the driving of the vehicle from the ground onto the mechanical bridge or from the mechanical bridge onto the ground. Meanwhile, the gap filling plate 491 is arranged to enhance the stability between the first bridge span unit 411 and the second bridge span unit 412, and between the third bridge span unit 421 and the fourth bridge span unit 422, so as to improve the stability of the whole mechanical bridge. The fixing method of the gap filling plate 491 may be any conventional fixing method such as bolt fixing or pin fixing, as long as the gap filling plate 491 can be fixed, and the fixing method is not limited herein.
Preferably, a gap-filling net 492 is connected between the first bridge span unit 411 and the second bridge span unit 412 and between the third bridge span unit 421 and the fourth bridge span unit 422, and the gap-filling net 492 can fill gaps between the first bridge span unit 411 and the second bridge span unit 412 and between the third bridge span unit 421 and the fourth bridge span unit 422, so as to prevent people or articles from accidentally falling from the gaps between the first bridge span unit 411 and the second bridge span unit 412 and between the third bridge span unit 421 and the fourth bridge span unit 422, thereby improving the safety of the mechanized bridge in use.
As shown in fig. 9, the lifting assembly 5 of the present embodiment includes a front lifting assembly 51 and a rear lifting assembly 52, the front lifting assembly 51 is disposed at a front position of the carriage 13, the rear lifting assembly 52 is disposed at a rear position of the carriage 13, and the front lifting assembly 51 and the rear lifting assembly 52 jointly lift the carriage 13. The front lifting assembly 51 comprises a lifting bracket 511, one end of the lifting bracket 511 is hinged with the carrier vehicle 1, the other end of the lifting bracket 511 is arranged below the front end of the carrier vehicle 13 to support the carrier vehicle 13, the middle position of the lifting bracket 511 is connected with a first lifting cylinder 512, and the first lifting cylinder 512 can drive the lifting bracket 511 to rotate relative to the carrier vehicle 1 so as to lift the carrier vehicle 13. The rear lifting assembly 52 comprises a hinge bracket 521 and a second lifting cylinder 522, one end of the hinge bracket 521 is hinged with the carrier 1, and the other end of the hinge bracket 521 is hinged with the rear position of the bearing frame 13. The middle position of the hinge bracket 521 is hinged with the output shaft of the second lifting cylinder 522, and the second lifting cylinder 522 is hinged at the rear position of the carrier vehicle 1. The second lift cylinder 522 may drive the hinge bracket 521 to rotate to lift the carriage 13. The rear lifting assemblies 52 of the present embodiment are provided in two sets, respectively, at two sides of the rear of the carriage 13.
As shown in fig. 7, the first support assembly 31 includes a first support cylinder 311, a first support rod 312 and a support shovel 313, one end of the first support cylinder 311 is hinged between the cab 11 and the observation room 12, the other end of the first support cylinder 311 is hinged to the upper portion of the support shovel 313, one end of the first support rod 312 is hinged to the lower portion of the front end of the carrier vehicle 1, and the other end of the first support rod 312 is hinged to the lower end of the support shovel 313. The extension and contraction of the first support cylinder 311 can make the support shovel 313 in a storage state or a support state. The support blade 313 includes a connection surface for connecting the first support cylinder 311 and the first support rod 312, a support surface that abuts against the ground in the support state, and a blade pushing surface 314. The blade surface 314 can level the ground to ensure the stability of the bridge after the bridge span is erected. Preferably, the blade pushing surface 314 of the present embodiment is concave and arc-shaped to increase the blade pushing capability.
As shown in fig. 11, the second supporting assembly 32 includes a second supporting cylinder 321, a second supporting rod 322 and a supporting plate 323, the second supporting cylinder 321 is fixedly disposed behind the carrier loader 1, the second supporting cylinder 321 is connected to the second supporting rod 322, the second supporting rod 322 is connected to the supporting plate 323, and the supporting plate 323 can contact with the ground to realize supporting. The second supporting components 32 of this embodiment are multiple groups, and are uniformly distributed on two sides of the rear of the carrier loader 1. Preferably, a rubber pad is disposed on a surface of the support plate 323 contacting the ground to increase friction with the ground, so that the support of the second support assembly 32 is more stable.
The vehicle-mounted emergency mechanized bridge erected in front of the bridge body is ingenious in structural design, the traditional vehicle head is divided into the cab and the observation room, and the erecting mechanism is arranged between the cab and the observation room, so that the function of erecting the front of the emergency mechanized bridge is realized, the problem of vehicle turning is avoided, and the efficiency of erecting the mechanized bridge and the adaptability of the environment are improved; the bridge span is driven to move through the matching of the gear and the pin teeth, the bridge span moves stably, the moving distance is accurate, and the position of the bridge span can be stopped and fixed at any time; the rotatable erecting mechanism facilitates the unloading of the bridge span, greatly saves manpower, and safely, reliably and efficiently realizes the erection of the mechanized bridge on rivers or canyons.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a bridge body leading-mounted on-vehicle emergent mechanized bridge that erects, a serial communication port, including the carrier loader, the front end of carrier loader is provided with driver's cabin and observation room, driver's cabin and observation room interval set up, be provided with the mechanism of erectting between driver's cabin and the observation room, the rear portion of driver's cabin and observation room is provided with bears the frame, bear the frame top and bear the bridge and stride the subassembly, it links to each other with the subassembly that lifts to bear the frame below, it can lift up bearing frame and bridge and stride the subassembly to lift the subassembly, and make bridge stride the subassembly link to each other with the mechanism of erectting, the mechanism of erectting can erect the bridge and stride the subassembly to the target location.
2. The vehicle-mounted emergency mechanized bridge of claim 1, wherein the bridge span assembly comprises a first bridge span and a second bridge span, the first bridge span and the second bridge span are detachably connected, and the first bridge span and the second bridge span are connected to form a mechanical bridge body.
3. The vehicle-mounted emergency mechanized bridge of claim 2, wherein the first bridge span comprises a first bridge span unit and a second bridge span unit which are arranged in bilateral symmetry, the first bridge span unit and the second bridge span unit are movably arranged on the unfolding frame, and the first bridge span unit and the second bridge span unit can move transversely relative to the unfolding frame to realize the unfolding and folding of the first bridge span.
4. The vehicle-mounted emergency mechanized bridge of claim 3, wherein the bridge span assembly further comprises a deployment drive assembly, the deployment drive assembly driving the first bridge span and the second bridge span to deploy and stow; the unfolding driving assembly comprises an unfolding driving frame, two sides of the unfolding driving frame are respectively and movably provided with a supporting bracket, two unfolding hydraulic cylinders are respectively fixed on two sides of the unfolding driving frame, output shafts of the unfolding hydraulic cylinders are connected with the supporting brackets, the unfolding hydraulic cylinders can drive the supporting brackets to move on the unfolding driving frame, and the two supporting brackets are respectively connected with the lower surfaces of a first bridge span unit and a second bridge span unit of a first bridge span or the lower surfaces of a third bridge span unit and a fourth bridge span unit of a second bridge span so as to drive the first bridge span unit and the second bridge span unit to unfold.
5. The vehicle-mounted emergency mechanized bridge erected in front of the bridge body according to claim 4, wherein the erecting mechanism comprises a fixed frame and a movable frame, the fixed frame is connected with the carrier vehicle, and the movable frame can move relative to the fixed frame; the lower part of the movable frame is provided with a movable pin tooth, the fixed frame is provided with a movable gear, the movable gear is meshed with the movable pin tooth, the movable gear is connected with a movable motor, and the movable motor can drive the movable gear to rotate so as to drive the movable frame to move relative to the fixed frame.
6. The vehicle-mounted emergency mechanized bridge erected in front of the bridge body according to claim 5, wherein a plurality of bridge span rollers and a plurality of bridge span gears are arranged on two sides of the moving frame, the inner side walls of the first bridge span unit, the second bridge span unit, the third bridge span unit and the fourth bridge span unit are provided with an upper rail and a lower rail, a track for moving the bridge span rollers and the bridge span gears is formed between the upper rail and the lower rail, and bridge span pin teeth matched with the bridge span gears are arranged in the upper rail; the bridge span gear can be meshed with the bridge span pin teeth, and the bridge span gear rotates to drive the first bridge span to move on the moving frame.
7. The vehicular emergency mechanized bridge of claim 6, wherein the fixed frame is hinged to the carrier vehicle, and the fixed frame is rotatable in a vertical direction relative to the carrier vehicle to drive the movable frame to rotate in the vertical direction.
8. The vehicle-mounted emergency mechanized bridge of claim 1, wherein the lifting assembly comprises a front lifting assembly and a rear lifting assembly, the front lifting assembly is disposed at a front position of the carriage, the rear lifting assembly is disposed at a rear position of the carriage, and the front lifting assembly and the rear lifting assembly jointly lift the carriage.
9. The vehicle-mounted emergency mechanized bridge erected in front of the bridge body according to claim 8, wherein the front lifting assembly comprises a lifting support, one end of the lifting support is hinged to the carrier, the other end of the lifting support is arranged below the front end of the carrier to support the carrier, and the middle of the lifting support is connected to a first lifting cylinder which can drive the lifting support to rotate relative to the carrier so as to support the carrier; the rear lifting assembly comprises a hinged support and a second lifting oil cylinder, one end of the hinged support is hinged to the carrying vehicle, and the other end of the hinged support is hinged to the rear position of the bearing frame. The middle position of the hinged support is hinged with an output shaft of the second lifting oil cylinder, and the second lifting oil cylinder is hinged at the rear position of the carrier loader.
10. The vehicle-mounted emergency mechanical bridge erected in front of the bridge body according to claim 1, wherein a first supporting component is arranged below the front end of the carrier vehicle, a second supporting component is arranged at the rear end of the carrier vehicle, and the first supporting component and the second supporting component can support the carrier vehicle so as to improve the stability of the carrier vehicle when the mechanical bridge is erected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211592962.1A CN115772842A (en) | 2022-12-12 | 2022-12-12 | Vehicle-mounted emergency mechanized bridge erected in front of bridge body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211592962.1A CN115772842A (en) | 2022-12-12 | 2022-12-12 | Vehicle-mounted emergency mechanized bridge erected in front of bridge body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115772842A true CN115772842A (en) | 2023-03-10 |
Family
ID=85392040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211592962.1A Pending CN115772842A (en) | 2022-12-12 | 2022-12-12 | Vehicle-mounted emergency mechanized bridge erected in front of bridge body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115772842A (en) |
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2022
- 2022-12-12 CN CN202211592962.1A patent/CN115772842A/en active Pending
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