Suspension type flexible navigation pier and construction method thereof

Abstract

The application provides a suspension type flexible navigation pier and a construction method thereof, which comprises two distribution beams symmetrically arranged in the vertical direction of a river, the bottom of the distribution beam is provided with a plurality of floating boxes, a walkway plate is detachably supported on the distribution beam, the distribution beam comprises a fixed part and a movable part, the movable part is connected through a limiting system and a positioning pile, the positioning pile is fixedly arranged in the river, the fixed part is hinged with the movable part through a rotating system, the side of the movable part close to the rotating system is further provided with a support pier, a winch is arranged on the support pier, the winch is connected with the movable part through a steel wire rope, the opposite two movable parts are connected through a connecting system, the side of the movable part away from the fixed part is provided with a lap joint system, and the opposite two movable parts are rotated to be opened to form a navigation opening. The application has the advantages of ingenious design, greatly increased construction efficiency, reduced steel consumption, high overall stability and navigation function.

Description

Technical Field

[0001] The present invention relates to the technical field of civil engineering construction, in particular to a suspended flexible navigation trestle and a construction method thereof. Background Art

[0002] With the vigorous advancement of my country's infrastructure, temporary piers are used in various fields such as bridges, water conservancy, and municipal engineering. Among them, floating piers are widely used due to their advantages such as convenient construction and light structure.

[0003] At present, in my country's engineering construction, floating trestles are mostly used in the construction of small non-navigable rivers or sea areas, and the box needs to be connected with anchor chains, which limits its application in navigable rivers. At present, the construction of navigable rivers mostly adopts steel trestles. For small-scale trestles that only pass pedestrians, the amount of steel used is large and the economy is poor.

[0004] Chinese patent document CN 102021880 A describes a flexible connecting trestle, but the trestle can only serve as a connecting bridge and does not have a navigation adjustment function. In addition, the overall structure is relatively complicated to construct and has defects in use. Summary of the Invention

[0005] The present invention provides a suspended flexible navigation trestle and a construction method thereof, which solves the problems of low construction efficiency, large steel consumption, poor stability of floating docks, inability to navigate, and inconvenient installation and removal of ground anchors in traditional steel trestle.

[0006] In order to solve the above technical problems, the technical solution adopted by the present invention is: a suspended flexible navigation trestle, comprising two distribution beams symmetrically arranged in a vertical river direction, a plurality of pontoons provided at the bottom of the distribution beams, a walkway plate detachably supported on the distribution beams, the distribution beams comprising a fixed portion and a movable portion, the movable portion being connected to a positioning pile through a limit system, the positioning pile being fixed in the river channel, the fixed portion being hinged to the movable portion through a rotation system, a branch trestle being further provided on the side of the movable portion close to the rotation system, a winch being provided on the branch trestle, the winch being connected to the movable portion through a steel wire rope, the two opposite movable portions being connected through a connection system, a lap joint system being provided on the side of the movable portion away from the fixed portion, the two opposite movable portions being rotated open to form a navigation port;

[0007] Two longitudinal reinforcements are provided in parallel at the bottom of the distribution beam, and the two longitudinal reinforcements are connected by multiple transverse reinforcements. A pull ring is provided on the side wall of the movable part, and the steel wire rope is detachably fixed on the pull ring. A magnetic plate is provided on the side close to the pull ring, and a third spring is provided on the supporting trestle to cooperate with the magnetic plate. An inclined surface is provided at the end of the movable part, and guardrails are also provided on both sides of the distribution beam.

[0008] In the preferred solution, the positioning piles are passed through the limiting system, which includes two fixed frames and connecting plates arranged parallel to the height direction, the two fixed frames and connecting plates are connected by vertical supports, one side of the fixed frame is fixedly connected to the distribution beam, and multiple rollers are respectively arranged in the middle of the inner side of the fixed frame and the connecting plate, the rollers are attached to the outer side walls of the positioning piles, and the first hinge joint and the second hinge joint are respectively provided at both ends of the fixed frame and the connecting plate, and the first pin is inserted in the first hinge joint and the second hinge joint.

[0009] In the preferred solution, the rotation system includes a plurality of rotating sleeves arranged along the height direction, the rotating sleeves are arranged on the limit column, the limit column is connected to the float box through the first pin shaft, a fixed plate is provided on the outside of the rotating sleeve, and the plurality of fixed plates are respectively connected to the side walls of the movable part and the fixed part, and a plurality of first springs are provided along the circumferential direction on the inside of the first pin shaft and the rotating sleeve.

[0010] In the preferred solution, the connection system includes a buffer box, two second springs are provided in parallel on the inside of the buffer box, the buffer box is fixed on the distribution beam, a slider is provided inside the buffer box, a first waist circular hole is provided on the slider, a second pin shaft is passed through the first waist circular hole and the buffer box, a locking plate is inserted on the slider, one side of the locking plate is connected to the slider through a third pin shaft, and the other side of the locking plate is hinged to the distribution beam through the mounting plate.

[0011] In the preferred solution, the lap joint system includes a panel, and load-bearing frames are provided on both sides of the panel. A plurality of connecting beams are provided on the load-bearing frames. One side of the panel is hinged to the fixed part, and the other side of the panel is hinged to a follower seat. The follower seat includes a support shell. The inner side of the support shell is slidably connected to the track through the first pulley and the second pulley respectively, and the track is fixed on the slope.

[0012] In a preferred solution, two guardrails are provided in parallel on both sides of the distribution beam. The guardrails include a plurality of first bases provided on the outside of the distribution beam. Vertical poles are fixed on the first bases. The plurality of vertical poles are connected by parallel horizontal poles.

[0013] In the preferred solution, two baffles are provided in parallel on the inner side of the connecting plate, a second waist circular hole is passed through the baffle, a first threaded hole is provided between the two baffles, a screw is provided in the first threaded hole, a hexagonal head and a second threaded hole are provided on both sides of the screw, the screw is connected to the mounting seat by a screw, a countersunk hole is provided on the mounting seat, the roller is set on the mounting seat by rotating the shaft, a straight column is provided on the outer side of the mounting seat, the straight column is passed through the second waist circular hole, the second waist circular hole is fixed by a nut and a baffle, and an arc groove is provided on the roller.

[0014] In the preferred solution, the winch includes a second base, which is fixed on the supporting trestle, and the second base supports a turntable through a bearing. The bottom of the second base is provided with a groove that cooperates with the bearing. The turntable and the second base are respectively provided with a first mounting hole and a second mounting hole. The stop column is inserted into the first mounting hole and the second mounting hole. A return system is also provided. The return system includes two fixed sleeves arranged opposite to each other, and the two fixed sleeves are respectively fixed on the same side of the fixed part and the movable part. A pull rod is passed through the fixed sleeve, and the two pull rods are connected by a fourth spring. The winch is connected to the pull rod located on the movable part through a steel wire rope.

[0015] In a preferred embodiment, a first through hole and a second through hole are formed on the fixed sleeve, the outer diameter of the first through hole is larger than the outer diameter of the second through hole, a first limit platform and a second limit platform are provided on the pull rod, the first limit platform is located in the first through hole, and the second limit platform is located outside the fixed sleeve, and a connecting hole is further provided on the pull rod, and both sides of the fourth spring are respectively fixed in the connecting holes;

[0016] A third threaded hole is provided on the second limiting platform, and a detachable adjustment seat is provided in the third threaded hole. The adjustment seat is connected to the wire rope through a consolidation head. A fixed pulley is provided on the distribution beam, and the wire rope is wound around the fixed pulley.

[0017] In a preferred embodiment, the construction method of the navigation trestle is characterized by comprising the following steps:

[0018] S1. Processing and assembling a suspended flexible navigation trestle;

[0019] S2. Driving positioning piles into the water;

[0020] S3. Open the first latch of the limit system, install the trestle and supporting trestle, make the positioning piles fit into the limit system, and install the first latch;

[0021] S4. Install guardrails;

[0022] S5. When a ship is passing through, the connection system is opened, and the wire rope of the winch is put on the pull ring of the movable part, so that the movable part of the trestle is rotated open to form a navigation port;

[0023] S6. After the navigation is completed, the wire rope of the winch pulls the pull ring of the movable part on the other side. The movable parts are aligned and locked, and normal navigation is allowed.

[0024] The beneficial effects of the present invention are as follows: the pontoon is used as the stress point, which is convenient for installation and disassembly, requires little steel, can adapt to different water levels, does not require underwater anchoring points, and has high construction efficiency; a rigid distribution beam is set on the upper part of the pontoon, and the overall structure is stable; the movable part rotation joint can be opened to meet the needs of navigation; a flexible structure is used between the movable part rotation joint and the standard joint to absorb the impact energy brought by the force of the water flow, and the trestle is more stable; the shore connection structure can slide along the track to adapt to various water levels; it is particularly suitable for construction scenarios with navigation needs and large spans of steel trestles. The overall installation and disassembly is relatively convenient, and the state adjustment is also relatively convenient, which ensures efficient use and has good economic benefits. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The present invention will be further described below with reference to the accompanying drawings and examples:

[0026] Figure 1 This is a schematic diagram of the overall structure of the present invention in state 1;

[0027] Figure 2 This is the overall structural diagram of the present invention in state 2;

[0028] Figure 3 This Figure 2 A top view of

[0029] Figure 4 It is a schematic diagram of the locking structure of the limit system of the present invention;

[0030] Figure 5 It is a schematic diagram of the opening structure of the limit system of the present invention;

[0031] Figure 6 This is a schematic diagram of the rotation system structure of the present invention in state 1;

[0032] Figure 7 This is a schematic diagram of the rotation system structure of the present invention in state 2;

[0033] Figure 8 2. It is a schematic diagram of the pull ring structure of the present invention;

[0034] Figure 9 This is a schematic diagram of the connection system structure of the present invention Figure 1 ;

[0035] Figure 10 This is a schematic diagram of the connection system structure of the present invention Figure 2 ;

[0036] Figure 11 is a schematic diagram of the splicing system of the present invention;

[0037] Figure 12 yes Figure 14 Schematic diagram of the slider;

[0038] Figure 13 This is a schematic diagram of another shore connection method of the present invention;

[0039] Figure 14 yes Figure 4 Schematic diagram of the connecting plate mounting roller structure;

[0040] Figure 15 yes Figure 14 Schematic diagram of the explosion structure;

[0041] Figure 16 This is a schematic diagram of the structure of the winch installed on the supporting trestle of the present invention;

[0042] Figure 17 yes Figure 16 Schematic diagram of the explosion structure;

[0043] Figure 18 This is a schematic diagram of the distribution beam structure of the present invention in state 1;

[0044] Figure 19 This is a schematic diagram of the distribution beam structure of the present invention in state 2;

[0045] Figure 20 This is the overall structural diagram of the present invention in state three;

[0046] Figure 21 yes Figure 20 A partial schematic diagram of

[0047] Figure 22 yes Figure 21 A schematic diagram of the enlarged structure at point A;

[0048] Figure 23 This is a schematic diagram of the present invention in an open state driven by a winch;

[0049] Figure 24 This is a schematic diagram of the present invention in a closed state driven by a winch;

[0050] Figure 25 yes Figure 1 Schematic top view of .

[0051] Figure: pontoon 1; distribution beam 2; longitudinal reinforcement 201; transverse reinforcement 202; pull ring 203; inclined surface 204; magnetic plate 205; walkway plate 3; limiting system 4; fixed frame 401; connecting plate 402; vertical support 403; first hinge 404; second hinge 405; roller 406; first latch 407; mounting base 408; baffle 409; second waisted hole 410; first threaded hole 411; countersunk hole 412; straight column 413; shaft 414; screw 415; second threaded hole 416; screw 417; nut 418; hexagonal head 419; arc groove 420; positioning pile 5; rotation system 6; rotation sleeve 601; limiting column 602; fixing plate 603; first spring 604; first pin 605; connection system 7; buffer box 701; second spring 702; slider 703; second pin 704; third pin 705; mounting plate 706; locking plate 707; first waist round hole 708; guardrail 8; crossbar 801; vertical pole 802; first base 803; mounting plate Connection system 9; load-bearing frame 901; connecting beam 902; panel 903; follower seat 904; support shell 905; first pulley 906; second pulley 907; track 908; trestle 10; winch 11; turntable 1101; second base 1102; stop column 1103; first mounting hole 1104; groove 1105; bearing 1106; second mounting hole 1107; navigation port 12; wire rope 13; third spring 14; return system 15; fixed sleeve 1501; first Through hole 1502; second through hole 1503; pull rod 1504; first limit platform 1505; second limit platform 1506; connecting hole 1507; fourth spring 1508; third threaded hole 1509; consolidation head 16; C-shaped plate 1601; first connecting column 1602; first through hole 1603; second latch 1604; adjustment seat 17; boss 1701; ear plate 1702; second connecting column 1703; second through hole 1704; fixed pulley 18; fixed portion 19; movable portion 20. DETAILED DESCRIPTION

[0052] like Figure 1-14 In the invention, a suspended flexible navigation trestle comprises two distribution beams 2 symmetrically arranged in a vertical river direction, a plurality of pontoons 1 being provided at the bottom of the distribution beams 2, a walkway plate 3 being detachably supported on the distribution beams 2, the distribution beams 2 comprising a fixed portion 19 and a movable portion 20, the movable portion 20 being connected to a positioning pile 5 through a limiting system 4, the positioning pile 5 being fixed in the river channel, the fixed portion 19 being hinged to the movable portion 20 through a rotation system 6, a branch trestle 10 being further provided on a side of the movable portion 20 close to the rotation system 6, a winch 11 being provided on the branch trestle 10, the winch 11 being connected to the movable portion 20 through a steel wire rope 13, the two opposite movable portions 20 being connected through a connection system 7, a lap joint system 9 being provided on a side of the movable portion 20 away from the fixed portion 19, the two opposite movable portions 20 being rotated open to form a navigation port 12;

[0053] Two parallel longitudinal bars 201 are provided at the bottom of the distribution beam 2. These two longitudinal bars 201 are connected by multiple transverse bars 202. A pull ring 203 is provided on the sidewall of the movable portion 20. The steel wire rope 13 is removably secured to the pull ring 203. A magnetic plate 205 is provided near the pull ring 203. A third spring 14 is provided on the supporting trestle 10 to cooperate with the magnetic plate 205. An inclined surface 204 is provided at the end of the movable portion 20. Guardrails 8 are also provided on both sides of the distribution beam 2. A fastening head 16 is provided at the end of the steel wire rope 13. This fastening head 16 comprises a C-shaped plate 1601 and a first connecting post 1602. A first through-hole 1603 is provided through the C-shaped plate 1601. A second latch 1604 is provided within the first through-hole 1603. The positioning piles 5 are driven vertically into the riverbed, and thus the distribution beam 2 can be adjusted in state through the fixed part 19 and the movable part 20. The fixed part 19 is a standard section and the movable part 20 is a rotating section. The fixed part 19 can adapt to changes in water level through the overlap system 9, ensuring overall flexibility. No manual adjustment is required within a certain range of water level changes, and the connection between the two relatively movable parts 20 is stable and easy to disconnect, which can ensure that it can be used as a walking channel and a navigation channel at the same time. The overall production cost is controllable, reducing the inconvenience of installation and removal and the high cost of subsequent maintenance. The pontoon 1 is a lightweight box, multiple of which are arranged and float on the water surface. As the fulcrum of the trestle, the distribution beam 2 is fixed on the pontoon 1, connecting multiple pontoons 1 as a whole, the force is more uniform, and the trestle operation is more stable. When the movable part 20 gradually approaches the supporting trestle 10, the magnetic plate 205 touches the third spring 14, and then attracts each other under the action of the magnetic force to perform shock absorption and buffering until the force balance is finally reached, ensuring the stability of the opening of the movable part 20.

[0054] In the preferred solution, the positioning pile 5 is passed through the limiting system 4, and the limiting system 4 includes two fixed frames 401 and a connecting plate 402 arranged parallel to each other in the height direction. The two fixed frames 401 and the connecting plate 402 are respectively connected by vertical supports 403. One side of the fixed frame 401 is fixedly connected to the distribution beam 2. A plurality of rollers 406 are respectively arranged in the inner middle part of the fixed frame 401 and the connecting plate 402. The rollers 406 are attached to the outer wall of the positioning pile 5. The first hinge joint 404 and the second hinge joint 405 are respectively provided at both ends of the fixed frame 401 and the connecting plate 402. The first pin 407 is inserted in the first hinge joint 404 and the second hinge joint 405. This structure allows rollers 406 to fit well against the sidewalls of the positioning piles 5 to transmit force, thereby resisting the impact of waves and ensuring the relative stability of the distribution beam 2. Furthermore, the overall rigidity of the limiting system 4 is good. The limiting systems 4 of two opposing distribution beams 2 are set diagonally, rather than being set on both sides of each distribution beam 2. This reduces the number of positioning piles 5 by 50%, greatly reducing overall construction costs while ensuring a stable stress state. When the pier is subjected to an eccentric force on the other side, the two-layer limiting system 4 can minimize the displacement difference between the two sides of the pier, effectively ensuring the overall stability of the pier.

[0055] In a preferred embodiment, the rotation system 6 includes multiple rotating sleeves 601 arranged along the height direction. The rotating sleeves 601 are mounted on the limiting posts 602. The limiting posts 602 are connected to the buoyancy chamber 1 via a first pin 605. A fixed plate 603 is provided on the outside of the rotating sleeves 601. The multiple fixed plates 603 are respectively connected to the side walls of the movable portion 20 and the fixed portion 19. Multiple first springs 604 are circumferentially provided on the inside of the first pin 605 and the rotating sleeve 601. With this structure, the rotating sleeves 601, the limiting posts 602, the fixed plates 603, and the first springs 604 form a rotating unit. The multiple rotating units are arranged vertically, with the limiting posts 602 aligned in center. The first pin 605 passes through the limiting posts 602 to connect the two buoyancy chambers 1, thereby hingedly connecting the standard section of the fixed portion 19 and the rotating section of the movable portion 20. The fixed plates 603 of two adjacent rotating units are fixed to different buoyancy chambers 1.

[0056] In a preferred embodiment, the connection system 7 includes a buffer box 701, two second springs 702 are provided in parallel on the inside of the buffer box 701, the buffer box 701 is fixed to the distribution beam 2, a slider 703 is slidably provided inside the buffer box 701, and the slider 703 is provided with a first waisted hole 708 extending therethrough. A second pin 704 is provided through the first waisted hole 708 and the buffer box 701, and a locking plate 707 is inserted into the slider 703. One side of the locking plate 707 is connected to the slider 703 via a third pin 705, and the other side of the locking plate 707 is hinged to the distribution beam 2 via a mounting plate 706. This structure allows for quick installation and removal of the locking plate 707 and the slider 703, ensuring convenient connection and disconnection of the two movable parts 20, convenient overall operation, and good locking stability.

[0057] In the preferred embodiment, the bridge system 9 includes a panel 903, with load-bearing frames 901 mounted on either side of the panel 903. Multiple connecting beams 902 are mounted on the load-bearing frames 901. One side of the panel 903 is hingedly connected to the fixed portion 19, and the other side of the panel 903 is hingedly connected to a follower seat 904. The follower seat 904 includes a support shell 905. The inner side of the support shell 905 is slidably connected to a track 908 via a first pulley 906 and a second pulley 907, respectively. The track 908 is fixed to the bank slope. The two tracks 908 are mounted parallel to the bank slope, providing a guide and position-limiting foundation for the panel 903. The load-bearing frames 901 can move up and down along the tracks 908 according to changes in the water level, thus ensuring flexible use.

[0058] In a preferred embodiment, two guardrails 8 are provided in parallel on both sides of the distribution beam 2. The guardrails 8 include a plurality of first bases 803 provided on the outside of the distribution beam 2. Vertical poles 802 are fixed to the first bases 803. The vertical poles 802 are connected by parallel horizontal bars 801. This structure allows for quick installation and ensures safe passage.

[0059] like Figure 15In the preferred embodiment, two baffles 409 are provided in parallel on the inner side of the connecting plate 402, and a second waist circular hole 410 is passed through the baffle 409. A first threaded hole 411 is provided between the two baffles 409, and a screw 415 is provided in the first threaded hole 411. A hexagonal head 419 and a second threaded hole 416 are provided on both sides of the screw 415. The screw 415 is connected to the mounting seat 408 through a screw 417. A countersunk hole 412 is provided on the mounting seat 408. The roller 406 is rotatably set on the mounting seat 408 through an axis 414. A straight column 413 is provided on the outer side of the mounting seat 408. The straight column 413 is passed through the second waist circular hole 410. The second waist circular hole 410 is fixed by a nut 418 and the baffle 409, and an arc groove 420 is provided on the roller 406. With this structure, the position of the roller 406 can be further adjusted to ensure that the arc groove 420 of the roller 406 fits the surface of the positioning pile 5, the overall force is more sufficient, the force transmission effect is better, and the adjustment is convenient, which can be completed by simply turning the hexagonal head 419 with a tool.

[0060] like Figure 16-25 In the preferred embodiment, the winch 11 includes a second base 1102, which is fixed on the supporting trestle 10, and the second base 1102 supports a turntable 1101 through a bearing 1106. The bottom of the second base 1102 is provided with a groove 1105 that cooperates with the bearing 1106. The turntable 1101 and the second base 1102 are respectively provided with a first mounting hole 1104 and a second mounting hole 1107. The stop column 1103 is inserted into the first mounting hole 1104 and the second mounting hole 1107. A return system 15 is also provided. The return system 15 includes two relatively arranged fixed sleeves 1501, and the two fixed sleeves 1501 are respectively fixed on the same side of the fixed part 19 and the movable part 20. A pull rod 1504 is passed through the fixed sleeve 1501, and the two pull rods 1504 are connected by a fourth spring 1508. The winch 11 is connected to the pull rod 1504 located on the movable part 20 through the wire rope 13. With this structure, the winch 11 can easily change its own angle, so as to better complete the traction of the movable part 20. When the movable part 20 needs to be opened to form the channel opening 12, the winch 11 can be adjusted to an angle of 60° with the bridge direction of the supporting trestle 10, so as to facilitate pulling and applying force to the pull ring 203. After the movable part 20 is adjusted to not less than 90° with the fixed part 19, the turntable 1101 can be further adjusted to make the wire rope 13 and the supporting trestle 10 perpendicular to each other.

[0061] In a preferred embodiment, a first through hole 1502 and a second through hole 1503 are formed on the fixed sleeve 1501. The outer diameter of the first through hole 1502 is larger than the outer diameter of the second through hole 1503. The pull rod 1504 is provided with a first limit platform 1505 and a second limit platform 1506. The first limit platform 1505 is located in the first through hole 1502, and the second limit platform 1506 is located outside the fixed sleeve 1501. The pull rod 1504 is further provided with a connecting hole 1507, and both sides of the fourth spring 1508 are respectively fixed in the connecting holes 1507;

[0062] A third threaded hole 1509 is provided on the second limiting platform 1506. An adjustment seat 17 is detachably mounted within the third threaded hole 1509. The adjustment seat 17 is connected to the wire rope 13 via a fastening head 16. A fixed pulley 18 is provided on the distribution beam 2, and the wire rope 13 is wound around the fixed pulley 18. The adjustment seat 17 includes a boss 1701 and a lug 1702. The boss 1701 is provided with a second connecting column 1703. The lug 1702 is provided with a second through-hole 1704. A second latch 1604 is inserted into the first through-hole 1603 and the second through-hole 1704, thereby conveniently connecting the fastening head 16 and the adjustment seat 17 via the second latch 1604. With this structure, when the movable part 20 needs to be closed, the magnetic plate 205 and the third spring 14 are attracted at this time, the third spring 14 is compressed, and the fourth spring 1508 is in a stretched state. The connection between the wire rope 13 and the pull ring 203 is disconnected, and the movable part 20 will tend to restore to its previous state. The wire rope 13 is connected to the pull rod 1504 through the fixed pulley 18. At this time, the pull rod located at the movable part 20 is gradually pulled until the two movable parts 20 are parallel, and the fourth spring 1508 is in a compressed state again. At this time, the two movable parts 20 are further subjected to the force of the wire rope 13 cooperating with the return system, which ensures the overall stability of the pier and can cope with the lateral impact of the water flow. When opened, the fourth spring 1508 has the ability to recover by compression. Slowly releasing the wire rope 13 can give the movable part 20 the initial driving force. The overall design is ingenious.

[0063] In a preferred embodiment, the construction method of the navigation trestle is characterized by comprising the following steps:

[0064] S1. Processing and assembling a suspended flexible navigation trestle;

[0065] S2, driving positioning piles 5 into the water;

[0066] S3, open the first latch 407 of the limiting system 4, install the trestle and the supporting trestle 10, make the positioning pile 5 snap into the limiting system 4, and install the first latch 407;

[0067] S4, installing guardrail 8;

[0068] S5. When a ship passes through, the connection system 7 is opened, and the wire rope 13 of the winch 11 is put on the pull ring 203 of the movable part 20, so that the movable part 20 of the pier is rotated open to form the navigation port 12;

[0069] S6. After the navigation is completed, the wire rope 13 of the winch 11 pulls the pull ring 203 of the movable part 20 on the other side, and the movable part 20 is aligned and locked, and normal navigation is carried out.

[0070] The construction process is relatively simple, the structure is stable, and the effect is good, which ensures the dual functions of the trestle. The overall construction cost is low and the later maintenance is convenient.

[0071] In another embodiment, the splicing system 9 is not used, and the trestle unit is used for the splicing.

[0072] The above embodiments are merely preferred technical solutions of the present invention and should not be construed as limiting the present invention. The scope of protection of the present invention shall be the technical solutions set forth in the claims, including equivalent alternatives to the technical features of the technical solutions set forth in the claims. In other words, equivalent alternatives and improvements within this scope are also within the scope of protection of the present invention.

Claims

1. A suspended flexible navigation trestle, characterized by: The invention comprises two distribution beams (2) symmetrically arranged in a vertical direction of the river, a plurality of pontoons (1) are arranged at the bottom of the distribution beam (2), a walkway plate (3) is detachably supported on the distribution beam (2), the distribution beam (2) comprises a fixed portion (19) and a movable portion (20), the movable portion (20) is connected to a positioning pile (5) through a limiting system (4), the positioning pile (5) is fixed in the river channel, the fixed portion (19) is hinged to the movable portion (20) through a rotation system (6), a support bridge (10) is provided on a side of the movable portion (20) close to the rotation system (6), a winch (11) is provided on the support bridge (10), the winch (11) is connected to the movable portion (20) through a steel wire rope (13), the two opposite movable portions (20) are connected through a connection system (7), a lap joint system (9) is provided on a side of the fixed portion (19) away from the movable portion (20), and the two opposite movable portions (20) are rotated and opened to form a navigation port (12); Two longitudinal ribs (201) are provided in parallel at the bottom of the distribution beam (2), and the two longitudinal ribs (201) are connected by a plurality of transverse ribs (202). A pull ring (203) is provided on the side wall of the movable portion (20), and a steel wire rope (13) is detachably fixed to the pull ring (203). A magnetic plate (205) is provided on the side close to the pull ring (203). A third spring (14) cooperating with the magnetic plate (205) is provided on the supporting trestle (10). An inclined surface (204) is provided at the end of the movable portion (20). Guardrails (8) are also provided on both sides of the distribution beam (2). The winch (11) includes a second base (1102), which is fixed on the supporting trestle (10), and the second base (1102) supports a turntable (1101) through a bearing (1106). The bottom of the second base (1102) is provided with a groove (1105) that matches the bearing (1106). The turntable (1101) and the second base (1102) are respectively provided with a first mounting hole (1104) and a second mounting hole (1107). A stop column (1103) is inserted into the first mounting hole (1104). 4) and a second mounting hole (1107), a return system (15) is further provided, the return system (15) comprising two fixed sleeves (1501) arranged opposite to each other, the two fixed sleeves (1501) being fixed on the same side of the fixed portion (19) and the movable portion (20), a pull rod (1504) being passed through the fixed sleeve (1501), the two pull rods (1504) being connected by a fourth spring (1508), and the winch (11) being connected to the pull rod (1504) on the movable portion (20) by a steel wire rope (13); A first through hole (1502) and a second through hole (1503) are provided on the fixed sleeve (1501), the outer diameter of the first through hole (1502) is larger than the outer diameter of the second through hole (1503), a first limit platform (1505) and a second limit platform (1506) are provided on the pull rod (1504), the first limit platform (1505) is located in the first through hole (1502), and the second limit platform (1506) is located outside the fixed sleeve (1501), and a connecting hole (1507) is further provided on the pull rod (1504), and both sides of the fourth spring (1508) are respectively fixed in the connecting holes (1507); A third threaded hole (1509) is provided on the second limiting platform (1506), and a detachable adjustment seat (17) is provided in the third threaded hole (1509). The adjustment seat (17) is connected to the wire rope (13) through a consolidation head (16). A fixed pulley (18) is provided on the distribution beam (2), and the wire rope (13) is wound around the fixed pulley (18).

2. The suspended flexible navigation trestle according to claim 1, characterized in that: The positioning pile (5) is inserted into the limiting system (4). The limiting system (4) includes two fixed frames (401) and a connecting plate (402) arranged in parallel along the height direction. The two fixed frames (401) and the connecting plate (402) are respectively connected by a vertical support (403). One side of the fixed frame (401) is fixedly connected to the distribution beam (2). A plurality of rollers (406) are respectively arranged at the inner middle part of the fixed frame (401) and the connecting plate (402). The rollers (406) are attached to the outer side wall of the positioning pile (5). The fixed frame (401) and the connecting plate (402) are respectively provided with a first hinge joint (404) and a second hinge joint (405) at both ends. The first latch (407) is inserted into the first hinge joint (404) and the second hinge joint (405).

3. The suspended flexible navigation trestle according to claim 1 is characterized by: The rotation system (6) includes a plurality of rotating sleeves (601) arranged along a height direction. The rotating sleeves (601) are sleeved on a limiting column (602). The limiting column (602) is connected to the buoyancy box (1) via a first pin shaft (605). A fixed plate (603) is provided on the outer side of the rotating sleeve (601). The plurality of fixed plates (603) are respectively connected to the side walls of the movable part (20) and the fixed part (19). A plurality of first springs (604) are provided on the inner side of the first pin shaft (605) and the rotating sleeve (601) along a circumferential direction.

4. The suspended flexible navigation trestle according to claim 1, characterized in that: The connection system (7) includes a buffer box (701), two second springs (702) are provided in parallel on the inner side of the buffer box (701), the buffer box (701) is fixed on the distribution beam (2), a slider (703) is provided in the buffer box (701), a first waist-shaped hole (708) is provided on the slider (703), a second pin (704) is provided through the first waist-shaped hole (708) and the buffer box (701), a locking plate (707) is inserted into the slider (703), one side of the locking plate (707) is connected to the slider (703) through the third pin (705), and the other side of the locking plate (707) is hinged to the distribution beam (2) through the mounting plate (706).

5. The suspended flexible navigation trestle according to claim 1, characterized in that: The lap joint system (9) includes a panel (903), and load-bearing frames (901) are respectively provided on both sides of the panel (903). A plurality of connecting beams (902) are provided on the load-bearing frames (901). One side of the panel (903) is hinged to the fixed portion (19), and the other side of the panel (903) is hinged to a follower seat (904). The follower seat (904) includes a support shell (905). The inner side of the support shell (905) is slidably connected to a track (908) via a first pulley (906) and a second pulley (907). The track (908) is fixed on the bank slope.

6. The suspended flexible navigation trestle according to claim 1, characterized in that: Two guardrails (8) are provided in parallel on both sides of the distribution beam (2). The guardrails (8) include a plurality of first bases (803) provided outside the distribution beam (2). Vertical poles (802) are fixed on the first bases (803). The plurality of vertical poles (802) are connected by horizontal poles (801) provided in parallel.

7. The suspended flexible navigation trestle according to claim 2, characterized in that: Two baffles (409) are provided in parallel on the inner side of the connecting plate (402), and a second waisted hole (410) is passed through the baffle (409). A first threaded hole (411) is provided between the two baffles (409), and a screw (415) is provided in the first threaded hole (411). A hexagonal head (419) and a second threaded hole (416) are provided on both sides of the screw (415). The screw (415) is connected to the mounting seat (402) through a screw (417). 8) connection, a countersunk hole (412) is provided on the mounting seat (408), the roller (406) is rotatably set on the mounting seat (408) through the shaft (414), a straight extension column (413) is provided on the outside of the mounting seat (408), the straight extension column (413) is passed through the second waist circular hole (410), the second waist circular hole (410) is fixed by a nut (418) and a baffle (409), and an arc groove (420) is provided on the roller (406).

8. The method for constructing a navigation trestle according to any one of claims 1 to 7, characterized in that: The following steps are involved: S1. Processing and assembling a suspended flexible navigation trestle; S2, driving positioning piles (5) into the water; S3, open the first latch (407) of the limiting system (4), install the trestle and the supporting trestle (10), make the positioning pile (5) snap into the limiting system (4), and install the first latch (407); S4, installing guardrail (8); S5. When a ship passes through, the connection system (7) is opened, and the wire rope (13) of the winch (11) is put on the pull ring (203) of the movable part (20), so that the movable part (20) of the pier is rotated open to form a navigation port (12); S6. After the navigation is completed, the wire rope (13) of the winch (11) pulls the pull ring (203) of the movable part (20) on the other side, and the movable part (20) is aligned and locked, and normal navigation is carried out.

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