CN112627109B - Liftable truss type wharf - Google Patents

Liftable truss type wharf Download PDF

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Publication number
CN112627109B
CN112627109B CN202011473486.2A CN202011473486A CN112627109B CN 112627109 B CN112627109 B CN 112627109B CN 202011473486 A CN202011473486 A CN 202011473486A CN 112627109 B CN112627109 B CN 112627109B
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China
Prior art keywords
platform
cross beam
trusses
steel wire
wire rope
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CN202011473486.2A
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CN112627109A (en
Inventor
罗彬�
孙宏月
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Zhejiang Ocean University ZJOU
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Zhejiang Ocean University ZJOU
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B3/00Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/04Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
    • E02B3/06Moles; Piers; Quays; Quay walls; Groynes; Breakwaters ; Wave dissipating walls; Quay equipment
    • E02B3/068Landing stages for vessels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/02Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/28Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B17/00Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B17/04Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction
    • E02B17/08Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A10/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
    • Y02A10/11Hard structures, e.g. dams, dykes or breakwaters

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Ship Loading And Unloading (AREA)

Abstract

A lifting truss type wharf comprises a first cross beam, a second cross beam, a longitudinal beam, a fork beam and an electric winch; the device comprises a first cross beam and a second cross beam, and is characterized by further comprising two trusses fixedly connected to the first cross beam and the two sides of the first cross beam, damping plates are arranged in the trusses, an upper platform and a lower platform are arranged between the two trusses, at least two movable tripods are arranged between the upper platform and the lower platform, a ship-leaning anti-collision device is arranged on the side of the lower platform close to the water gap, a floating part is further mounted at the bottom of the lower platform, a lifting ring is mounted at the top end of the upper platform, the lifting ring is rotatably connected with a steel wire rope, the steel wire rope is connected with an electric winch through two rigid pulleys arranged at the top end of the first cross beam, platform tracks are arranged on the inner sides of the two trusses, and movable rollers are mounted in the platform tracks. The invention is suitable for wharfs with large water level differences, realizes the transportation function of the wharf along with the change of the water level through the mobile platform between the trusses, and has flexible transportation and stable work.

Description

Liftable truss type wharf
Technical Field
The invention relates to the technical field of wharfs, in particular to a liftable truss type wharf.
Background
The water level of the coastal river section part shore opening can change continuously along with time, the water level difference change is large, a multi-layer system adopted by a common wharf deals with the water level difference change, but the multi-layer system is large in consumed time and input cost, the construction difficulty is increased, the benefit recovery period is long, parts are required to be replaced frequently to ensure the safety performance of the structure, certain specific limiting conditions also exist in the transportation of the multi-layer system, and the flexibility is insufficient.
Disclosure of Invention
In order to solve the problems in the background art, the invention provides a liftable truss type wharf, which can enhance the flexible transportation capability of the wharf and is stable in operation.
A liftable truss type wharf comprises a first cross beam, a second cross beam, a longitudinal beam and a fork beam which are arranged between the first cross beam and the second cross beam and used for supporting, and an electric winch arranged at the top end of the first cross beam; the device also comprises a long foundation pile, a forked pile, a short foundation pile and a sheet pile which are sequentially arranged at the bottom of a cross beam from a near water port to a far water port, and two trusses which are fixedly connected with a first cross beam and two sides of the cross beam, wherein the foundation pile, the forked pile, the short foundation pile and the sheet pile are all fixedly connected with the second cross beam through pile caps, the tops of the two trusses are fixedly connected with the first cross beam, the middle parts of the trusses are fixedly connected with the second cross beam, the trusses are connected with the long foundation pile through fixing seats, damping plates are all arranged in the trusses, an upper platform and a lower platform are arranged between the two trusses, at least two movable tripods are arranged between the upper platform and the lower platform, the movable tripods are respectively connected with the upper platform and the lower platform through detachable fixing pieces, a ship-leaning anti-collision device is arranged on the side surface of the near water port of the lower platform, a floating piece is further arranged at the bottom of the lower platform, and a lifting ring is arranged at the top end of the upper platform, the hoisting ring is rotatably connected with a steel wire rope, the steel wire rope is connected with the electric winch through two rigid pulleys arranged at the top end of the cross beam, the upper platform and the lower platform are in sliding connection with the trusses, platform tracks are arranged on the inner sides of the two trusses, and movable rollers are arranged in the platform tracks.
As a further scheme of the invention: the movable tripod comprises an underframe, two side frames hinged on the underframe and a side frame connector, and the rotation angle of the side frames and the underframe is 60-90 degrees.
As a further scheme of the invention: and a lower chord frame is arranged at a partial section of the bottom end of the second cross beam near the water gap, one end of the lower chord frame is fixedly connected with the truss, a support is arranged at the bottom of the lower chord frame, the support is connected with the long foundation pile through a fixing seat, and a frame net is further arranged between the lower chord frame and the second cross beam.
Preferably, a spring supporting rod is installed in the fixing seat, and a rectangular spring with a certain pretightening force is tightly sleeved on the outer side of the spring supporting rod.
Compared with the prior art, the invention not only can realize the transportation of the wharf with larger water level difference, but also can enhance the rigidity and stability of the mobile platform through the arranged movable tripod, and the arranged rectangular spring can meet the requirements of high-speed compression and ultra-heavy load of the wharf.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the truss and the upper and lower platforms of the present invention;
FIG. 3 is a schematic view of the movable tripod of the present invention;
fig. 4 is a schematic view of a fixing base structure of the present invention.
The labels in the figure are: 1, a first cross beam; 2, a second cross beam; 3-longitudinal beams; 4-a fork beam; 5-foundation piles; 501-long foundation piles; 502-short foundation piles; 6-forked piles; 7-pile cap 8-sheet pile; 9-a movable tripod; 901-chassis; 902-side frame; 903-side frame joint part; 10-a fixing member; 11-a lower platform; 12-a hoisting ring; 13-a steel wire rope; 14-a rigid pulley; 15-electric windlass; 16-an upper platform; 17-a berthing anticollision device; 18-a float; 19-two trusses; 20-a platform track; 21-a movable roller; 22-a damping plate; 23-a frame net; 24-a lower chord; 25-a scaffold; 26-a fixed seat; 27-rectangular springs; 28-spring strut.
Detailed Description
Referring to fig. 1 to 4, the embodiment provides a liftable truss type wharf, which includes a first cross beam 1, a second cross beam 2, a longitudinal beam 3 and a cross beam 4 installed between the first cross beam 1 and the second cross beam 2 for supporting, and an electric winch 15 disposed at the top end of the first cross beam 1; the anti-collision device further comprises a long foundation pile 501, a foundation pile 5, a forked pile 6, a short foundation pile 502 and a sheet pile 8 which are sequentially arranged at the bottom of the beam II 2 from a near water gap to a far water gap, and two trusses 19 fixedly connected to the side surfaces of the beam I1 and the beam II 2 of the near water gap, wherein the foundation pile 5, the forked pile 6, the short foundation pile 502 and the sheet pile 8 are fixedly connected with the beam II 2 through pile caps 7, the tops of the two trusses 19 are fixedly connected with the beam I1, the middle part ends of the trusses 19 are fixedly connected with the beam II 2, the trusses 19 are connected with the long foundation pile 501 through fixing seats 26, damping plates 22 are arranged in the trusses 19, an upper platform 16 and a lower platform 11 are arranged between the two trusses 19, at least two movable tripods 9 are arranged between the upper platform 16 and the lower platform 11, the movable tripods 9 are respectively connected with the upper platform 16 and the lower platform 11 through detachable fixing pieces 10, a ship-approaching anti-collision device 17 is arranged on the side surface of the lower platform 11 near the water gap, the bottom of the lower platform 11 is further provided with a floating part 18, the top end of the upper platform 16 is provided with a lifting ring 12, the lifting ring 12 is rotatably connected with a steel wire rope 13, the steel wire rope 13 is connected with the electric winch 15 through two rigid pulleys 14 arranged at the top end of the first cross beam 1, the upper platform 16, the lower platform 11 and the trusses 19 are in sliding connection, platform rails 20 are arranged on the inner sides of the two trusses 19, and movable rollers 21 are arranged in the platform rails 20.
The movable tripod 9 comprises a base frame 901, two side frames 902 hinged on the base frame 901 and a side frame connector 903, wherein the rotation angle between the side frames 902 and the base frame 901 is 60-90 degrees.
A lower chord 24 is installed on a partial section of the bottom end of the second cross beam 2 close to the water gap, one end of the lower chord 24 is fixedly connected with the truss 19, a support 25 is installed at the bottom of the lower chord 24, the support 25 is connected with a long foundation pile 501 through a fixing seat 26, and a frame net 23 is further arranged between the lower chord 24 and the second cross beam 2.
A spring support rod 28 is installed in the fixed seat 26, and a rectangular spring 27 with a certain pretightening force is tightly sleeved outside the spring support rod 28.
The arranged hanging ring 12 is rotationally connected with the steel wire rope 13, so that the influence of torque on the steel wire rope in the working process can be reduced; the rigid pulley 14 not only realizes the reversing of the steel wire rope 13, but also enhances the centering performance of the steel wire rope, and improves the stability of the mobile platform during lifting; the damping plate 22 in the truss 19 can reduce the vibration caused by the working environment such as wave and the like, and can also play a role in resisting vibration; the frame net 23 can disperse the impact of the waves on the wharf, so as to ensure that the wharf finishes the normal working life; the rectangular spring 27 is suitable for occasions with high load and limited space, meets the condition requirement of the fixing seat 26, reserves a certain pretightening force for compensating the load under the construction and working conditions by the rectangular spring 27, and provides the stability of the truss 19.
During specific work, the floating part 18 lifts the mobile platform by water buoyancy through water surface liquid level change, and the electric winch 15 is adjusted to shrink the steel wire rope 13, so that most of gravity of the mobile platform acts on the water surface through the floating part 18, and the load on the truss 19 is reduced as much as possible. When the water head difference changes greatly and the position of the mobile platform needs to be changed, the rotation angle of the side frame 902 and the underframe 901 in the movable tripod 9 is adjusted to 60 degrees to be clamped, the two side frames 902 of the movable tripod 9 and the side frame connector 903 matched with the side frames 902 are fixedly connected to the bottom of the upper platform 16 through the fixing piece 10, the lower platform 11 is fixed with the underframe 901 through the fixing piece 10, when the steel wire rope 13 moves, the positions of the upper platform 16 and the lower platform 11 are adjusted, the upper platform 16 and the lower platform 11 complete the lifting process in the platform track 20, the sliding connection between the upper platform 16 and the lower platform 11 and the truss 19 is changed into rolling connection through the movable rollers 21 in the platform track 20, and the internal stress generated by the truss 19 is reduced. The steel wire rope 13 is adjusted through the electric winch 15, the steel wire rope 13 is connected with the pair of rigid pulleys 14 in a rolling mode to achieve reversing, the tail end of the steel wire rope 13 is connected with the hanging ring 12 at the upper end of the upper platform 16, and when the floating part 18 reaches a preset liquid level, the electric winch 15 is closed, and measures are taken to fix the steel wire rope 13. After the moving platform finishes the lifting process, the rotation angle between the side frame 902 and the underframe 901 in the movable tripod 9 is adjusted to 90 degrees to be clamped, at this time, the side frame 902 has the function of supporting the upper platform 16, and after the side frame is fixed, the action of the whole moving platform is finished.
It should be noted that the description of the present invention and the accompanying drawings illustrate preferred embodiments of the present invention, but the present invention may be embodied in many different forms and is not limited to the embodiments described in the present specification, which should not be construed as an additional limitation of the present invention, and the embodiments are provided for thorough understanding of the present disclosure. Moreover, the above technical features are combined with each other to form various embodiments which are not listed above, and all the embodiments are regarded as the scope of the present invention described in the specification; further, modifications and variations will occur to those skilled in the art in light of the foregoing description, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the invention as defined by the appended claims.

Claims (4)

1. A lifting moving method of a liftable truss type wharf comprises a first cross beam (1), a second cross beam (2), a longitudinal beam (3) and a fork beam (4) which are arranged between the first cross beam (1) and the second cross beam (2) and used for supporting, and an electric winch (15) arranged at the top end of the first cross beam (1); the method is characterized in that: the device is characterized by further comprising a long foundation pile (501), a foundation pile (5), a fork pile (6), a short foundation pile (502) and a sheet pile (8) which are sequentially arranged at the bottom of a second cross beam (2) from a near water port to a far water port, and two trusses (19) which are fixedly connected to the sides of the first cross beam (1) and the second cross beam (2) at the near water port, wherein the foundation pile (5), the fork pile (6), the short foundation pile (502) and the sheet pile (8) are fixedly connected with the second cross beam (2) through pile caps (7), the tops of the two trusses (19) are fixedly connected with the first cross beam (1), the middle part ends of the trusses (19) are fixedly connected with the second cross beam (2), the trusses (19) are connected with the long foundation pile (501) through fixing seats (26), damping plates (22) are arranged in the trusses (19), an upper platform (16) and a lower platform (11) are arranged between the two trusses (19), wherein at least two movable tripods (9) are arranged between the upper platform (16) and the lower platform (11), the movable tripod (9) is respectively connected with an upper platform (16) and a lower platform (11) through a detachable fixing piece (10), a ship-leaning anti-collision device (17) is arranged on the side surface of the lower platform (11) close to a water gap, a floating piece (18) is further installed at the bottom of the lower platform (11), a lifting ring (12) is installed at the top end of the upper platform (16), the lifting ring (12) is rotatably connected with a steel wire rope (13), the steel wire rope (13) is connected with an electric winch (15) through two rigid pulleys (14) arranged at the top end of a cross beam I (1), the upper platform (16), the lower platform (11) and the trusses (19) are in sliding connection, platform rails (20) are arranged on the inner sides of the two trusses (19), and movable rollers (21) are installed in the platform rails (20);
the lifting moving method comprises the following steps:
the floating part lifts the mobile platform by utilizing water buoyancy through water surface liquid level change, and the electric winch is adjusted to contract the steel wire rope so that most of gravity of the mobile platform acts on the water surface through the floating part, so that the load on the truss is reduced as much as possible; when the water level difference changes greatly and the position of the mobile platform needs to be changed, the rotating angle of a side frame and an underframe in the movable tripod is adjusted to 60 degrees to be clamped, two side frames of the movable tripod and a side frame connector (903) matched with the side frames are fixedly connected to the bottom of the upper platform through a fixing piece, and the lower platform (11) is fixed with the underframe through the fixing piece;
when the steel wire rope moves, the positions of the upper platform and the lower platform are adjusted, the upper platform and the lower platform complete the lifting process in the platform track, and the movable rollers in the platform track change the sliding connection between the upper platform and the lower platform and the truss into rolling connection, so that the internal stress generated by the truss is reduced;
adjusting a steel wire rope through an electric winch, wherein the steel wire rope is connected with a pair of rigid pulleys in a rolling manner to realize reversing, the tail end of the steel wire rope is connected with a hanging ring at the upper end of an upper platform, and the electric winch is closed and measures are taken to fix the steel wire rope when the floating part reaches a preset liquid level; after the movable platform finishes the lifting process, the rotating angle between the side frame and the underframe (901) in the movable tripod is adjusted to 90 degrees to be clamped, at the moment, the side frame has the function of supporting the upper platform, and after the side frame is fixed, the action of the whole movable platform is finished.
2. The lifting and moving method of the liftable truss-type wharf according to claim 1, wherein: the movable tripod (9) comprises an underframe (901), two side frames (902) hinged on the underframe (901) and a side frame connector (903), and the rotation angle between the side frames (902) and the underframe (901) is 60-90 degrees.
3. The lifting and moving method of the liftable truss-type wharf according to claim 1, wherein: a lower chord frame (24) is installed on a partial section of the bottom end of the second cross beam (2) close to the water gap, one end of the lower chord frame (24) is fixedly connected with the truss (19), a support (25) is installed at the bottom of the lower chord frame (24), the support (25) is connected with the long foundation pile (501) through a fixing seat (26), and a frame net (23) is further arranged between the lower chord frame (24) and the second cross beam (2).
4. The lifting and moving method of the liftable truss-type wharf according to claim 1, wherein: a spring supporting rod (28) is installed in the fixing seat (26), and a rectangular spring (27) with a certain pretightening force is tightly sleeved on the outer side of the spring supporting rod (28).
CN202011473486.2A 2020-12-15 2020-12-15 Liftable truss type wharf Active CN112627109B (en)

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CN112627109B true CN112627109B (en) 2022-02-22

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB397086A (en) * 1931-09-11 1933-08-17 Sylvain Louis Ravier Improvements in and relating to wharf or quay walls
CN204703119U (en) * 2015-03-13 2015-10-14 中交第三航务工程勘察设计院有限公司 A kind ofly be provided with single high pile pier structure of going along with sb. to guard him sheet pile
CN205822123U (en) * 2016-02-24 2016-12-21 中交第一航务工程勘察设计院有限公司 20 ton deep water sheet pile quay wall structure
CN108978583A (en) * 2018-09-27 2018-12-11 胡长军 A kind of high pile pier structure
CN208965495U (en) * 2018-09-11 2019-06-11 中交天津港湾工程设计院有限公司 A kind of lifting device of yacht wharf
CN209652863U (en) * 2019-02-13 2019-11-19 张亚玲 A kind of assembled pile foundation wharfs structure
CN209760139U (en) * 2019-03-14 2019-12-10 广东省航运规划设计院有限公司 All-steel wharf structure
CN211368578U (en) * 2019-11-11 2020-08-28 南通港口规划设计院有限公司 High stake combination wharf structure of sheet pile

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB397086A (en) * 1931-09-11 1933-08-17 Sylvain Louis Ravier Improvements in and relating to wharf or quay walls
CN204703119U (en) * 2015-03-13 2015-10-14 中交第三航务工程勘察设计院有限公司 A kind ofly be provided with single high pile pier structure of going along with sb. to guard him sheet pile
CN205822123U (en) * 2016-02-24 2016-12-21 中交第一航务工程勘察设计院有限公司 20 ton deep water sheet pile quay wall structure
CN208965495U (en) * 2018-09-11 2019-06-11 中交天津港湾工程设计院有限公司 A kind of lifting device of yacht wharf
CN108978583A (en) * 2018-09-27 2018-12-11 胡长军 A kind of high pile pier structure
CN209652863U (en) * 2019-02-13 2019-11-19 张亚玲 A kind of assembled pile foundation wharfs structure
CN209760139U (en) * 2019-03-14 2019-12-10 广东省航运规划设计院有限公司 All-steel wharf structure
CN211368578U (en) * 2019-11-11 2020-08-28 南通港口规划设计院有限公司 High stake combination wharf structure of sheet pile

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