CN113863116B - Assembled steel bridge - Google Patents
Assembled steel bridge Download PDFInfo
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- CN113863116B CN113863116B CN202111256428.9A CN202111256428A CN113863116B CN 113863116 B CN113863116 B CN 113863116B CN 202111256428 A CN202111256428 A CN 202111256428A CN 113863116 B CN113863116 B CN 113863116B
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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
- E01D15/133—Portable or sectional bridges built-up from readily separable standardised sections or elements, e.g. Bailey bridges
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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
- E01D19/00—Structural or constructional details of bridges
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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
- E01D19/00—Structural or constructional details of bridges
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
- E01D19/125—Grating or flooring for bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to the technical field of bridges, in particular to an assembled steel bridge, which comprises a bridge deck mechanism, wherein a stabilizing mechanism is connected above the bridge deck mechanism, a supporting mechanism matched with the stabilizing mechanism is connected on the stabilizing mechanism, a base mechanism is fixed at the bottom of the bridge deck mechanism, and a reinforcing mechanism connected with the base mechanism is arranged at the bottom of the bridge deck mechanism; the stabilizing mechanism can play a role in stabilizing the bridge deck mechanism, the whole bridge is supported by the supporting mechanism, when flood is to be generated, the supporting plate on the supporting mechanism is adjusted to the inner side of the connecting beam, another bridge deck above the bridge deck is formed, and the bridge deck is supported by the steel rod under a new bridge deck formed by the supporting plate; when the earthquake happens, the supporting plate is adjusted to the outer side of the connecting beam and is supported by the steel rod, so that the bridge can be stably used when the aftershock happens again.
Description
Technical Field
The invention relates to the technical field of bridges, in particular to an assembled steel bridge.
Background
When natural disasters occur, such as floods and earthquakes, specialized personnel are needed to rescue, but materials are needed to be transported in the rescue and relief process, but the materials are damaged or submerged by water in the transportation process, so that difficulty is increased in rescue, the existing bridge is inconvenient to rapidly lay when the natural disasters occur, when the earthquakes come, the pavement cannot rapidly pass, and aftershocks continuously occur, so that rescue is difficult; readiness is required before the flood comes, but existing bridges cannot be used with the flood before it comes.
Disclosure of Invention
The invention aims to solve the problems and provide an assembled steel bridge.
The invention realizes the aim through the following technical scheme that the assembled steel bridge comprises a bridge deck mechanism, wherein a stabilizing mechanism is connected above the bridge deck mechanism, a supporting mechanism matched with the stabilizing mechanism is connected on the stabilizing mechanism, a base mechanism is fixed at the bottom of the bridge deck mechanism, and a reinforcing mechanism connected with the base mechanism is arranged at the bottom of the bridge deck mechanism; the stabilizing mechanism can play a role in stabilizing the bridge deck mechanism, the whole bridge is supported by the supporting mechanism, when flood is to be generated, the supporting plate on the supporting mechanism is adjusted to the inner side of the connecting beam, another bridge deck above the bridge deck is formed, and the bridge deck is supported by the steel rod under a new bridge deck formed by the supporting plate; when the earthquake happens, the supporting plate is adjusted to the outer side of the connecting beam and is supported by the steel rod, so that the bridge can be stably used when the aftershock happens again.
Preferably, the bridge deck mechanism comprises a bridge head plate, one side of the bridge head plate is provided with a bridge deck plate matched with the bridge head plate, the end part of the bridge deck plate is provided with a clamping block, and the clamping block is fixed through a first bolt and a connecting beam on the stabilizing mechanism; limiting blocks fixed with the connecting beams are arranged on two sides of the clamping blocks. The bridge head plate through setting up can be convenient for be connected ground and decking, the traffic of being convenient for the vehicle uses through the cooperation of fixture block and the stopper that sets up for each decking can be dismantled and install, and then realizes the quick assembly of bridge.
Preferably, the stabilizing mechanism comprises a plurality of connecting beams, a plurality of transverse connecting beams are connected into a group of long beams, each two groups of parallel long beams are connected through a vertical beam, and both ends of each long beam are connected with end beams; and a plurality of support blocks on the support mechanisms are fixed on the long beam. The long beams are formed by connecting the connecting beams, so that the function of stabilizing a plurality of bridge decks is achieved, and the bridge decks are connected stably after being installed; the long beams formed by the connecting beams are connected together through the arranged vertical beams, so that the bridge is stable.
Preferably, the supporting mechanism comprises a supporting block fixed on a long beam, a guide groove is formed in the supporting block, a first limit groove and a second limit groove are respectively communicated with two ends of the guide groove, the first limit groove and the second limit groove are obliquely arranged, the length dimension of the first limit groove is smaller than that of the second limit groove, the second limit groove is of an L-shaped structure, and the vertical height dimension of the second limit groove is equal to that of the guide rod to the slide rod. The support blocks can play a role in stabilizing the operation of the support mechanism, the guide rods move along the required track through the guide grooves, the guide rods move conveniently through the matched use of the first limit grooves and the second limit grooves and the guide grooves, and when the support plates need to move towards the outer sides of the long beams, the guide rods need to move from the guide grooves towards the positions of the first limit grooves; when the support plate is required to move towards the inner side of the long beam, the guide rod is required to move from the guide groove towards the position of the second limit groove, and the guide rod can translate firstly and then turn over in the moving process.
Preferably, the supporting mechanism further comprises a guide rod and a slide rod, the guide rod is matched with the guide groove, the first limit groove and the second limit groove, the guide rod is fixed on the side wall of the push rod, which is away from the guide rod, is fixedly connected with a connecting rod, the end part of the connecting rod is rotatably connected with the slide rod, and the slide rod is perpendicular to the push rod; the bottom of the push rod is fixedly connected with a rotary rod, the rotary rod is clamped in a rotary groove, and the rotary groove is arranged in the supporting plate; the support plate is located between two vertical beams. After the guide rod moves to a position horizontal to the screw rod in the second limit groove, the guide rod translates in the process, and then the guide rod continues to move and rotate until the guide rod rotates by 90 degrees, and then the guide rod translates again; the guide rod and the rotating rod can be driven to move through the arranged push rod, when the guide rod is limited by the first limiting groove and the second limiting groove, the guide rod can move along with the positions of the first limiting groove and the second limiting groove in the moving process, the rotating rod can rotate with the connecting rod, and therefore the rotating rod can rotate with the connecting rod when the slide rod moves forwards and backwards;
preferably, the supporting mechanism further comprises a rod sleeve fixedly connected with the connecting rod, a screw rod is arranged in the rod sleeve, the rod sleeve is rotationally connected with the screw rod through threads, a rod groove matched with the rod sleeve is formed in the supporting block, a hexagon bolt is connected with the end portion of the screw rod, and the hexagon bolt is connected to the supporting block through a bearing. The hexagonal bolt that sets up through the drive rotates and makes the lead screw rotate, and when the lead screw pivoted, the lead screw removes through screw thread drive pole cover, and when the pole cover removed, the pole cover can drive the slide bar of fixing at its lateral wall and remove, because the slide bar is the straight line slip, and then when the lead screw pivoted, the pole cover can not take place to rotate, and the pole cover can only do rectilinear movement, and at this moment, the slide bar is rectilinear movement along with the pole cover is synchronous.
Preferably, the base mechanism comprises a connecting sheet connected with the long beam on the stabilizing mechanism and a cross beam fixed below the connecting sheet, and a plurality of through holes for reducing the mass of the cross beam are formed in the cross beam; the cross beams are fixed with the connecting pieces through third bolts, every two cross beams are fixedly connected through second bolts, and two vertical stabilizing plates are fixed on the connecting pieces. The connecting piece through setting up can be with long roof beam and crossbeam all with diagonal bar fixed connection, and then realize diagonal bar convenient to detach and the function of installation, connect the diagonal bar through the stabilizer plate of setting for the diagonal bar is connected stably.
Preferably, the base mechanism further comprises inclined rods arranged between the cross beam and the long beam on the stabilizing mechanism, one end of each inclined rod is provided with an inner plate, the other end of each inclined rod is provided with two outer plates, and the inner plates and the outer plates are matched; an inner plate is arranged between every two stabilizing plates, two outer plates are arranged on the outer sides of every two stabilizing plates, and the inner plate, the stabilizing plates and the outer plates are fixedly connected through limiting pins; the side wall of the beam is fixed with a reinforcing mechanism through a reinforcing bolt. Through the inner panel and the planking that set up mutually support, and then realize that a plurality of diagonal bars can be by quick installation and dismantlement, when natural disasters, the quick construction bridge of being convenient for plays the effect of quick rescue.
Preferably, the reinforcing mechanism comprises a reinforcing plate fixed with the cross beam, the top of the reinforcing plate is connected with a reinforcing pad, and the reinforcing pad is positioned below a gap at the joint of every two bridge decks; the reinforcing plate is provided with a reinforcing groove, and a reinforcing bolt is arranged in the reinforcing groove. Play the support through the gusset plate that sets up and consolidate the pad, and then consolidate the stable decking of pad, the decking can be fine support vehicle traffic, and then make this assembly bridge very stable.
The invention has the beneficial effects that:
(1) The stabilizing mechanism can play a role in stabilizing the bridge deck mechanism, the whole bridge is supported by the supporting mechanism, when flood is to be generated, the supporting plate on the supporting mechanism is adjusted to the inner side of the connecting beam, another bridge deck above the bridge deck is formed, and the bridge deck is supported by the steel rod under a new bridge deck formed by the supporting plate; when the earthquake happens, the supporting plate is adjusted to the outer side of the connecting beam and is supported by the steel rod, so that the bridge can be stably used when the aftershock happens again. The ground and the bridge deck plates can be conveniently connected through the bridge deck plates, vehicles can pass conveniently, each bridge deck plate can be detached and installed through the matched use of the clamping blocks and the limiting blocks, and then the rapid assembly of the bridge is realized; the long beams are formed by connecting the connecting beams, so that the function of stabilizing a plurality of bridge decks is achieved, and the bridge decks are connected stably after being installed; the long beams formed by the connecting beams are connected together through the arranged vertical beams, so that the bridge is stable.
(2) The support blocks can play a role in stabilizing the operation of the support mechanism, the guide rods move along the required track through the guide grooves, the guide rods move conveniently through the matched use of the first limit grooves and the second limit grooves and the guide grooves, and when the support plates need to move towards the outer sides of the long beams, the guide rods need to move from the guide grooves towards the positions of the first limit grooves; when the support plate is required to move towards the inner side of the long beam, the guide rod is required to move from the guide groove towards the position of the second limit groove, and the guide rod can translate firstly and then turn over in the moving process. After the guide rod moves to a position horizontal to the screw rod in the second limit groove, the guide rod translates in the process, and then the guide rod continues to move and rotate until the guide rod rotates by 90 degrees, and then the guide rod translates again; the guide rod and the rotating rod can be driven to move through the arranged push rod, when the guide rod is limited by the first limiting groove and the second limiting groove, the guide rod can move along with the positions of the first limiting groove and the second limiting groove in the moving process, the rotating rod can rotate with the connecting rod, and therefore the rotating rod can rotate with the connecting rod when the slide rod moves forwards and backwards; the hexagonal bolt that sets up through the drive rotates and makes the lead screw rotate, and when the lead screw pivoted, the lead screw removes through screw thread drive pole cover, and when the pole cover removed, the pole cover can drive the slide bar of fixing at its lateral wall and remove, because the slide bar is the straight line slip, and then when the lead screw pivoted, the pole cover can not take place to rotate, and the pole cover can only do rectilinear movement, and at this moment, the slide bar is rectilinear movement along with the pole cover is synchronous.
(3) The connecting piece through setting up can be with long roof beam and crossbeam all with diagonal bar fixed connection, and then realize diagonal bar convenient to detach and the function of installation, connect the diagonal bar through the stabilizer plate of setting for the diagonal bar is connected stably. Through the inner panel and the planking that set up mutually support, and then realize that a plurality of diagonal bars can be by quick installation and dismantlement, when natural disasters, the quick construction bridge of being convenient for plays the effect of quick rescue. Play the support through the gusset plate that sets up and consolidate the pad, and then consolidate the stable decking of pad, the decking can be fine support vehicle traffic, and then make this assembly bridge very stable.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure of the invention at A in FIG. 1;
FIG. 3 is a side view of the present invention;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3B according to the present invention;
FIG. 5 is a schematic illustration of the connection of the screw and sleeve of the present invention;
FIG. 6 is a bottom view of the present invention;
in the figure: 1. a bridge deck mechanism; 11. a bridgehead plate; 12. a bridge deck; 13. a clamping block; 14. a first bolt; 15. a limiting block; 2. a support mechanism; 21. a support block; 22. a hexagonal bolt; 23. a support plate; 24. a guide rod; 25. a guide groove; 26. a first limit groove; 27. the second limit groove; 28. a rod sleeve; 29. a screw rod; 210. a rod groove; 211. a slide bar; 212. a push rod; 213. a connecting rod; 214. a rotating rod; 215. a rotary groove; 3. a base mechanism; 31. a cross beam; 32. a second bolt; 33. a through hole; 34. a connecting sheet; 35. a third bolt; 36. a limiting pin; 37. an outer plate; 38. a diagonal rod; 39. an inner plate; 310. a stabilizing plate; 4. a stabilizing mechanism; 41. an end beam; 42. a connecting beam; 43. a vertical beam; 5. a reinforcement mechanism; 51. a reinforcing plate; 52. reinforcing the pad; 53. and a reinforcing groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. 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.
Referring to fig. 1-6, an assembled steel bridge comprises a bridge deck mechanism 1, wherein a stabilizing mechanism 4 is connected above the bridge deck mechanism 1, a supporting mechanism 2 matched with the stabilizing mechanism 4 is connected on the stabilizing mechanism 4, a base mechanism 3 is fixed at the bottom of the bridge deck mechanism 1, and a reinforcing mechanism 5 connected with the base mechanism 3 is arranged at the bottom of the bridge deck mechanism 1; the stabilizing mechanism 4 can play a role in stabilizing the bridge deck mechanism 1, the whole bridge is supported by the supporting mechanism 2, when flood is to occur, the supporting plate 23 on the supporting mechanism 2 is adjusted to the inner side of the connecting beam 42, another bridge deck above the bridge deck 12 is formed, and the bridge deck is supported by steel bars under a new bridge deck formed by the supporting plate 23; when an earthquake occurs, the support plate 23 is adjusted to the outer side of the connection beam 42, and the support plate 23 is supported by the steel rod, so that the bridge can be stably used when the aftershock occurs again.
Specifically, the bridge deck mechanism 1 comprises a bridge head plate 11, one side of the bridge head plate 11 is provided with a bridge deck plate 12 matched with the bridge head plate, the end part of the bridge deck plate 12 is provided with a clamping block 13, and the clamping block 13 is fixed through a first bolt 14 and a connecting beam 42 on the stabilizing mechanism 4; limiting blocks 15 fixed with the connecting beam 42 are arranged on two sides of the clamping block 13. The bridge head plate 11 through setting up can be convenient for be connected ground and decking 12, the traffic of being convenient for the vehicle uses through the cooperation of fixture block 13 and stopper 15 that set up for each decking 12 can be dismantled and install, and then realizes the quick assembly of bridge.
Specifically, the stabilizing mechanism 4 includes a plurality of connecting beams 42, a plurality of transverse connecting beams 42 are connected into a group of long beams, each two groups of parallel long beams are connected through a vertical beam 43, and two ends of each long beam are connected with an end beam 41; the long beam is fixedly provided with a plurality of supporting blocks 21 on the supporting mechanism 2. The long beams are formed by the connection of the connecting beams 42, so that the function of stabilizing a plurality of bridge decks 12 is achieved, and the connection of the bridge decks 12 is stable after the bridge decks 12 are installed; the long beams consisting of the connecting beams 42 are connected together through the arranged vertical beams 43, so that the bridge is stable.
Specifically, the supporting mechanism 2 includes the supporting shoe 21 of fixing on the long roof beam, the inside of supporting shoe 21 is provided with guide way 25, the both ends of guide way 25 communicate respectively and have first spacing groove 26, second spacing groove 27, first spacing groove 26 with second spacing groove 27 is the slope setting, the length dimension of first spacing groove 26 slope is less than the length dimension of second spacing groove 27 slope, second spacing groove 27 is L type structure, just the vertical height dimension of second spacing groove 27 equals the vertical height dimension of guide bar 24 to slide bar 211. The support block 21 can play a role in stabilizing the operation of the support mechanism 2, the guide rod 24 moves along a required track through the guide groove 25, the guide rod 24 is convenient to move through the cooperation of the first limit groove 26 and the second limit groove 27 and the guide groove 25, and when the support plate 23 is required to move towards the outer side of the long beam, the guide rod 24 is required to move from the guide groove 25 towards the first limit groove 26; when the support plate 23 needs to be moved towards the inner side of the long beam, the guide rod 24 needs to be moved from the guide groove 25 towards the second limit groove 27, and the guide rod 24 can translate and then turn over in the moving process.
Specifically, the supporting mechanism 2 further includes a guide rod 24 and the sliding rod 211, the guide rod 24 is matched with the guide groove 25, the first limiting groove 26 and the second limiting groove 27, the guide rod 24 is fixed on a side wall of the push rod 212, a connecting rod 213 is fixedly connected to the side wall of the push rod 212, which is away from the guide rod 24, a sliding rod 211 is rotatably connected to an end of the connecting rod 213, and the sliding rod 211 is perpendicular to the push rod 212; the bottom of the push rod 212 is fixedly connected with a rotary rod 214, the rotary rod 214 is clamped in a rotary groove 215, and the rotary groove 215 is arranged in the supporting plate 23; the support plate 23 is located between two vertical beams 43. After the guide bar 24 moves to the position horizontal to the screw rod 29 in the second limit groove 27, the guide bar 24 translates during this process, and then the guide bar 24 continues to move and rotate until the guide bar 24 rotates by 90 °, and then the guide bar 24 translates again; can drive guide bar 24 and bull stick 214 through the push rod 212 that sets up and remove, when removing, because guide bar 24 is spacing by first spacing groove 26 and second spacing groove 27, will make guide bar 24 need along with the position removal of first spacing groove 26 and second spacing groove 27 in the removal in-process, and then make bull stick 214 need rotate, be the rotation between bull stick 214 and the connecting rod 213 to realize when the back-and-forth movement of slide bar 211, rotation between bull stick 214 can and the connecting rod 213.
Specifically, the supporting mechanism 2 further includes a rod sleeve 28 fixedly connected with the connecting rod 213, a screw rod 29 is disposed in the rod sleeve 28, the rod sleeve 28 is rotatably connected with the screw rod 29 through threads, a rod groove 210 matched with the rod sleeve 28 is disposed in the supporting block 21, a hexagonal bolt 22 is connected to an end portion of the screw rod 29, and the hexagonal bolt 22 is connected to the supporting block 21 through a bearing. The screw rod 29 is rotated by driving the hexagon bolt 22, when the screw rod 29 rotates, the screw rod 29 drives the rod sleeve 28 to move through threads, when the rod sleeve 28 moves, the rod sleeve 28 can drive the sliding rod 211 fixed on the side wall of the screw rod 29 to move, and when the screw rod 29 rotates, the rod sleeve 28 cannot rotate due to the fact that the sliding rod 211 slides linearly, and at the moment, the rod sleeve 28 can only move linearly, and the sliding rod 211 moves linearly along with the rod sleeve 28 synchronously.
Specifically, the base mechanism 3 includes a connecting piece 34 connected with the long beam on the stabilizing mechanism 4, and a cross beam 31 fixed below the connecting piece 34, where a plurality of through holes 33 for reducing the mass of the cross beam 31 are formed on the cross beam 31; the cross beams 31 and the connecting pieces 34 are fixed through third bolts 35, every two cross beams 31 are fixedly connected through second bolts 32, and two vertical stabilizing plates 310 are fixed on the connecting pieces 34. Through the connection piece 34 that sets up can all with long roof beam and crossbeam 31 and diagonal 38 fixed connection, and then realize the function that diagonal 38 is convenient for dismantle and install, connect diagonal 38 through the stabilizer plate 310 that sets up for diagonal 38 connects stably.
Specifically, the base mechanism 3 further includes diagonal rods 38 disposed between the cross beam 31 and the long beam on the stabilizing mechanism 4, one end of each diagonal rod 38 is provided with an inner plate 39, the other end is provided with two outer plates 37, and the inner plates 39 and the outer plates 37 are matched; an inner plate 39 is arranged between every two stabilizing plates 310, two outer plates 37 are arranged on the outer sides of every two stabilizing plates 310, and the inner plate 39, the stabilizing plates 310 and the outer plates 37 are fixedly connected through limiting pins 36; the side walls of the cross beam 31 are fixed with a reinforcing mechanism 5 by reinforcing bolts. Through the inner panel 39 and the planking 37 that set up mutually support, and then realize that a plurality of diagonal rods 38 can be by quick installation and dismantlement, when natural disasters, the quick construction bridge of being convenient for plays the effect of quick rescue.
Specifically, the reinforcing mechanism 5 includes a reinforcing plate 51 fixed to the cross beam 31, a reinforcing pad 52 is connected to the top of the reinforcing plate 51, and the reinforcing pad 52 is located below a gap at the joint of each two bridge decks 12; the reinforcing plate 51 is provided with a reinforcing groove 53, and a reinforcing bolt is installed in the reinforcing groove 53. The reinforcing plate 51 is arranged to support the reinforcing pad 52, the reinforcing pad 52 stabilizes the bridge deck 12, and the bridge deck 12 can well support the traffic of vehicles, so that the assembled bridge is stable.
When the bridge supporting plate is used, the supporting plate on the bridge can be adjusted according to actual conditions when natural disasters occur or natural disasters are early-warned; when an earthquake comes, an emergency repair road needs to be paved and materials are transported, after a bridge is paved, the bridge needs to be more stable, the bridge can resist aftershock, further the support plate 23 needs to be moved towards the outer side of the long beam, the support plate 23 and the bridge are inclined, and the support plate 23 is supported by the steel rods; the hexagonal bolt 22 and the lead screw 29 are fixed by rotating the hexagonal bolt 22, the lead screw 29 can be rotated by rotating the hexagonal bolt 22, when the lead screw 29 rotates, the lead screw 29 moves through the screw thread driving rod sleeve 28, when the rod sleeve 28 moves, the rod sleeve 28 can drive the sliding rod 211 fixed on the side wall of the lead screw to move, the sliding rod 211 moves, and then the sliding rod 211 drives the connecting rod 213 to move, and the guide rod 24 moves in the first limiting groove 26, so that the guide rod 24 can rotate reversely when moving, and the reversing angle is 0-45 degrees; when the guide rod 24 is reversed, the push rod 212 connected with the guide rod 24 drives the support plate 23 to be reversed, and the reversing angle of the support plate 23 is 0-45 degrees; the angle of the supporting plate 23 can be adjusted according to actual conditions, the side wall of the supporting plate 23 is connected with a steel rod, and the steel rod is abutted against the ground, so that the supporting plate 23 has a supporting force on a bridge, and as the supporting mechanism 2 is connected with the stabilizing mechanism 4, the stabilizing mechanism 4 is connected with the base mechanism 3, the bridge deck 12 and the vertical beam 13 are both connected with the stabilizing mechanism 3, and therefore, when the supporting plate 23 plays a role of supporting the base mechanism 3, the supporting bridge can be realized; the bridge has supporting force, so that the bridge is more stable. When flood disasters come, when weather forecast has heavy rain, the bridge floor needs to be lifted, so that emergency function is achieved when water is sent, at this moment, need through rotating hexagonal bolt 22, because hexagonal bolt 22 and lead screw 29 are fixed, hexagonal bolt 22 rotates and can make lead screw 29 rotate, when lead screw 29 rotates, lead screw 29 moves through screw thread drive rod sleeve 28, when rod sleeve 28 moves, rod sleeve 28 can drive the slide bar 211 who fixes at its lateral wall to move, because slide bar 28 moves, and then slide bar 211 drives connecting rod 213 to move, because guide bar 24 can move in the inside of second spacing groove 27, and then guide bar 24 can take place to reverse, and the reverse angle is 90, namely guide bar 24 drives push bar 212 upset 90 and then the bull stick 214 synchronous rotation who is connected with push bar 212, because the cross-section of bull stick 214 is square structure, thereby make bull stick 214 rotate, and then bull stick 214 drives backup pad 23 synchronous rotation 90, after backup pad 23 rotates 90, can be fixed to the surface of backup pad through the backup pad 23 again. When flood comes, the bridge can be used as a bridge for emergency transportation.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the foregoing examples, and that the foregoing description and description are merely illustrative of the principles of this invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The assembled steel bridge is characterized by comprising a bridge deck mechanism (1), wherein a stabilizing mechanism (4) is connected above the bridge deck mechanism (1), a supporting mechanism (2) matched with the stabilizing mechanism is connected on the stabilizing mechanism (4), a base mechanism (3) is fixed at the bottom of the bridge deck mechanism (1), and a reinforcing mechanism (5) connected with the base mechanism (3) is arranged at the bottom of the bridge deck mechanism (1);
the bridge deck mechanism (1) comprises a bridge head plate (11), one side of the bridge head plate (11) is provided with a bridge deck plate (12) matched with the bridge head plate, the end part of the bridge deck plate (12) is provided with a clamping block (13), and the clamping block (13) is fixed with a connecting beam (42) on the stabilizing mechanism (4) through a first bolt (14); limiting blocks (15) fixed with the connecting beam (42) are arranged on two sides of the clamping block (13);
the stabilizing mechanism (4) comprises a plurality of connecting beams (42), a plurality of transverse connecting beams (42) are connected into a group of long beams, every two groups of parallel long beams are connected through a vertical beam (43), and two ends of each long beam are connected with an end beam (41); a plurality of supporting blocks (21) on the supporting mechanism (2) are fixed on the long beam;
the supporting mechanism (2) comprises a supporting block (21) fixed on a long beam, a guide groove (25) is formed in the supporting block (21), a first limit groove (26) and a second limit groove (27) are respectively communicated with two ends of the guide groove (25), the first limit groove (26) and the second limit groove (27) are obliquely arranged, the length size of the first limit groove (26) in an inclined mode is smaller than that of the second limit groove (27), the second limit groove (27) is of an L-shaped structure, and the vertical height size of the second limit groove (27) is equal to that of a guide rod (24) to a sliding rod (211);
the supporting mechanism (2) further comprises a guide rod (24) and a sliding rod (211), the guide rod (24) is matched with the guide groove (25), the first limiting groove (26) and the second limiting groove (27), the guide rod (24) is fixed on the side wall of the push rod (212), the side wall of the push rod (212) deviating from the guide rod (24) is fixedly connected with a connecting rod (213), the end part of the connecting rod (213) is rotatably connected with the sliding rod (211), and the sliding rod (211) is perpendicular to the push rod (212); the bottom of the push rod (212) is fixedly connected with a rotary rod (214), the rotary rod (214) is clamped in a rotary groove (215), and the rotary groove (215) is arranged in the supporting plate (23); the support plate (23) is positioned between two vertical beams (43);
the supporting mechanism (2) further comprises a rod sleeve (28) fixedly connected with the connecting rod (213), a screw rod (29) is arranged in the rod sleeve (28), the rod sleeve (28) is rotationally connected with the screw rod (29) through threads, a rod groove (210) matched with the rod sleeve (28) is formed in the supporting block (21), a hexagon bolt (22) is connected with the end portion of the screw rod (29), and the hexagon bolt (22) is connected to the supporting block (21) through a bearing.
2. The fabricated steel bridge according to claim 1, wherein the base mechanism (3) comprises a connecting sheet (34) connected with the long beam on the stabilizing mechanism (4), and a cross beam (31) fixed below the connecting sheet (34), and a plurality of through holes (33) for reducing the mass of the cross beam (31) are formed on the cross beam; the cross beams (31) and the connecting pieces (34) are fixed through third bolts (35), every two cross beams (31) are fixedly connected through second bolts (32), and two vertical stabilizing plates (310) are fixed on the connecting pieces (34).
3. A fabricated steel bridge according to claim 2, wherein the base unit (3) further comprises diagonal rods (38) arranged between the cross beams (31) and the long beams on the stabilizing unit (4), and each diagonal rod (38) is provided with an inner plate (39) at one end and two outer plates (37) at the other end, and the inner plates (39) and outer plates (37) are matched; an inner plate (39) is arranged between every two stabilizing plates (310), two outer plates (37) are arranged on the outer sides of every two stabilizing plates (310), and the inner plate (39), the stabilizing plates (310) and the outer plates (37) are fixedly connected through limiting pins (36); the side wall of the cross beam (31) is fixed with a reinforcing mechanism (5) through a reinforcing bolt.
4. A fabricated steel bridge according to claim 3, wherein the reinforcement means (5) comprises a reinforcement plate (51) fixed to the cross beam (31), the top of the reinforcement plate (51) is connected with a reinforcement pad (52), and the reinforcement pad (52) is located below the gap at the joint of every two bridge decks (12); the reinforcing plate (51) is provided with a reinforcing groove (53), and a reinforcing bolt is arranged in the reinforcing groove (53).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202111256428.9A CN113863116B (en) | 2021-10-27 | 2021-10-27 | Assembled steel bridge |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202111256428.9A CN113863116B (en) | 2021-10-27 | 2021-10-27 | Assembled steel bridge |
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Publication Number | Publication Date |
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CN113863116A CN113863116A (en) | 2021-12-31 |
CN113863116B true CN113863116B (en) | 2023-08-25 |
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CN202111256428.9A Active CN113863116B (en) | 2021-10-27 | 2021-10-27 | Assembled steel bridge |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103774544A (en) * | 2014-02-20 | 2014-05-07 | 苏州荣宝升城市建设有限公司 | Assembled temporary steel bridge |
CN109778660A (en) * | 2019-03-18 | 2019-05-21 | 浙江兴土桥梁专用装备制造有限公司 | The Steel Bridge installed using assembled abutment |
CN210262717U (en) * | 2019-02-22 | 2020-04-07 | 衡水益通管业股份有限公司 | Assembled shaped steel bridge |
CN111455805A (en) * | 2020-04-30 | 2020-07-28 | 程启帅 | Fabricated steel bridge and construction method thereof |
CN211113117U (en) * | 2019-11-19 | 2020-07-28 | 王辉 | Small-span steel temporary bridge device for moving and changing railway oil and gas pipelines |
CN213709129U (en) * | 2020-10-09 | 2021-07-16 | 廊坊市广阳区水利水电工程处 | Simple bridge for water conservancy construction |
CN214168721U (en) * | 2020-11-18 | 2021-09-10 | 乐清市南方钢结构工程有限公司 | Height-adjustable's bailey bridge |
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JP2016008450A (en) * | 2014-06-25 | 2016-01-18 | 株式会社 林物産発明研究所 | Flooding prevention device for floor slab of river bridge |
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Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103774544A (en) * | 2014-02-20 | 2014-05-07 | 苏州荣宝升城市建设有限公司 | Assembled temporary steel bridge |
CN210262717U (en) * | 2019-02-22 | 2020-04-07 | 衡水益通管业股份有限公司 | Assembled shaped steel bridge |
CN109778660A (en) * | 2019-03-18 | 2019-05-21 | 浙江兴土桥梁专用装备制造有限公司 | The Steel Bridge installed using assembled abutment |
CN211113117U (en) * | 2019-11-19 | 2020-07-28 | 王辉 | Small-span steel temporary bridge device for moving and changing railway oil and gas pipelines |
CN111455805A (en) * | 2020-04-30 | 2020-07-28 | 程启帅 | Fabricated steel bridge and construction method thereof |
CN213709129U (en) * | 2020-10-09 | 2021-07-16 | 廊坊市广阳区水利水电工程处 | Simple bridge for water conservancy construction |
CN214168721U (en) * | 2020-11-18 | 2021-09-10 | 乐清市南方钢结构工程有限公司 | Height-adjustable's bailey bridge |
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