CN114922130A - Connecting type mast hoisting piece stacking head structure - Google Patents
Connecting type mast hoisting piece stacking head structure Download PDFInfo
- Publication number
- CN114922130A CN114922130A CN202210120364.8A CN202210120364A CN114922130A CN 114922130 A CN114922130 A CN 114922130A CN 202210120364 A CN202210120364 A CN 202210120364A CN 114922130 A CN114922130 A CN 114922130A
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- Prior art keywords
- wharf
- mast
- platform
- adopts
- ground anchor
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- 239000011150 reinforced concrete Substances 0.000 claims abstract description 11
- 238000002955 isolation Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 abstract description 5
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 239000000725 suspension Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/06—Moles; Piers; Quays; Quay walls; Groynes; Breakwaters ; Wave dissipating walls; Quay equipment
- E02B3/068—Landing stages for vessels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/60—Derricks
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/44—Foundations for machines, engines or ordnance
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
- E02D5/80—Ground anchors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/11—Hard structures, e.g. dams, dykes or breakwaters
Abstract
A connection type pile structure of a mast hoisting part adopts a structure that the connecting line of a support saddle with two feet of a mast hoisting herringbone is vertical to the longitudinal axis of a transport flat car, and the transport flat car is arranged between the two feet of the mast hoisting herringbone. The wharf adopts a high-pile wharf structure form, a wharf platform adopts a beamless thick plate type bearing platform, a ship leaning support structure at the front edge of the wharf adopts a reinforced concrete frame, and a winch ground anchor adopts a pier type foundation; and pile foundations are adopted to support under the wharf platform and the ground anchor pier. The connecting beam is arranged to longitudinally connect the ground anchor abutment and the wharf platform, so that the ground anchor abutment, the connecting beam and the wharf platform form an integral structure and are stressed cooperatively; special measures are taken for the place where the connecting beam is located, so that the connecting beam has the passing condition of a full-load hydraulic flat car. Compared with the conventional technology, the invention can greatly reduce the wharf engineering amount and construction investment, improve the safety of the wharf structure of the mast hoisting heavy piece and create favorable conditions for the smooth implementation of the transportation of the heavy piece of the extra-high voltage converter station.
Description
Technical Field
The invention relates to the technical field of structural design of a heavy piece equipment transportation port wharf in electric power engineering, in particular to a wharf structure of a mast hoisting piece.
Background
In recent years, with the continuous development of the engineering construction of the extra-high voltage converter station, the transportation, the loading and the unloading of heavy equipment such as a converter transformer and the like gradually become key links in the construction process. The heavy part transportation of the converter station engineering generally adopts modes of 'railway + road', 'water transportation + road' and the like, and the 'water transportation + road' is undoubtedly the transportation mode with the best economy and the least limitation condition for the engineering close to the inland waterway. As a joint point of a first-pass water transport and a second-pass highway, a special wharf for barge berthing and equipment hoisting is the primary content of heavy part transportation design.
In the plus or minus 800kV extra-high voltage converter station project, the heavy equipment needing to be transported from a special wharf is 28 converter transformers, wherein the transportation size of the high-end converter transformer is about 13089mm multiplied by 3950mm multiplied by 4925mm (length multiplied by width multiplied by height), and the transportation weight is about 360 t; the transport size of the low-end converter transformer is about 10000mm × 3700mm × 4850mm (length × width × height), and the transport weight is about 259 t.
1000t grade barges are adopted for one journey of water transportation, 500t grade double-herringbone mast cranes are adopted for hoisting equipment of a wharf, and a transversely spliced 2-column 14-axis hydraulic fully-suspended flat car and a matched tractor are adopted for a transport vehicle. The transportation batches of the converter transformers are determined according to the engineering construction and the equipment production progress, generally 1 to 2 converter transformers are transported in one batch, a single ship and single piece loading mode is adopted, and a heavy piece wharf is designed according to a single berth scale.
In the conventional technology, the plane arrangement of the heavy part wharf adopts a parallel arrangement scheme, as shown in fig. 1 and fig. 2, the parallel arrangement means that the connecting line of a herringbone two-leg mast support 14 of a double-character mast crane 1 is parallel to the longitudinal axis of a hydraulic full-suspension flat car 2, a tractor 3 and the hydraulic full-suspension flat car are arranged on the river side, the double-character mast crane is arranged on the shore side, and the mast falls to the hydraulic full-suspension flat car space to be amplitude-variable loaded after a converter transformer 12 is lifted from the bottom of the car. The parallel arrangement is widely applied to the design of medium and large wharfs, single parking places or multiple lanes can be arranged at the positions of the hydraulic full-suspension flat cars according to the number of the berths and the handling capacity, a traffic loop is formed at the front edge of the wharf, and the transportation efficiency is improved. In the parallel arrangement scheme, in order to meet the requirement of the hydraulic full-suspension flat car for departure, the front edge of the wharf platform 4 on the river side needs to be widened and is directly connected with a departure leading road 25, the plane size of the wharf platform and the distance of the wharf front edge extending to the river side are increased, the engineering quantity of the wharf is increased, and more construction land is needed.
In the conventional technology, a heavy wharf adopts a free-standing structure scheme, and a wharf platform 4 and a winch ground anchor abutment 6 are independently arranged and separated from each other, and bear the received load independently. Under the working condition of the lifting amplitude of the mast crane, because the winch ground anchor abutment bears huge horizontal force, the horizontal load bearing capacity of the ground anchor abutment needs to be improved by additionally arranging the pile foundation, the plane size of the winch ground anchor abutment is increased accordingly, and the engineering investment of a wharf is improved.
Disclosure of Invention
Aiming at the problems in the conventional technology, the invention provides a connection type mast hoisting piece wharf structure, which realizes the minimization of the floor area and the size of a wharf platform, reduces the engineering quantity of pile foundations and ground anchor piers, and greatly reduces the engineering investment.
In order to achieve the above object, the present invention provides a connection type mast hoist weight piece wharf structure, which comprises a mast hoist, a wharf platform, and a winch anchor, and is characterized in that: the connecting line of the two-leg support of the mast crane is vertical to the longitudinal axis of the transport flat car to form a vertical plane, and the transport flat car is arranged between the two legs of the herringbone of the mast crane;
the winch ground anchor and the wharf platform are longitudinally connected through two reinforced concrete connecting beams to form an integral structure; the wharf adopts a high-pile wharf structure, the wharf platform adopts a beamless thick plate type bearing platform, a ship leaning support structure at the front edge of the wharf adopts a reinforced concrete frame, and a pile foundation support is adopted below the wharf platform; the ground anchor of the winch adopts a pier foundation, and a pile foundation is adopted to support the ground anchor.
Furthermore, in order to improve the compression bearing capacity of the connecting beam, the end part of the connecting beam is hinged with the wharf platform through a steel structure pin shaft.
Furthermore, in order to reduce the calculated length of the connecting beams, reinforced concrete cross braces are arranged in the middle of the connecting beams, the connecting beams and the two connecting beams form H-shaped arrangement on the plane, and a pile foundation is arranged below each connecting beam at the cross braces to serve as a vertical support.
Further, for making the connection roof beam avoids the influence of vehicle load, avoids the connection roof beam to be in the vertical unfavorable operating mode of bending, and the outer surrounding formula haplopore box culvert that adopts prevents pressing the protection to the connection roof beam, the bottom plate top surface of haplopore box culvert and the bottom surface of connecting the roof beam set up isolation diaphragm, haplopore box culvert adopts reinforced concrete structure, embedded bearing movable cover plate, movable cover plate adopts prefabricated formula.
Further, to make the floor layout more compact, the mast crane foundation is incorporated into the dock platform.
Compared with the conventional technology, the invention has the beneficial effects that:
1) the invention adopts a vertical plane arrangement scheme, the plane size of the wharf platform only needs to consider the arrangement of a mast crane foundation and a transport flat car, the departure direction of the transport flat car is the shore side of the wharf platform, and the transport flat car can be connected with a leading road by adopting the simplest path; because the platform is not limited by the transportation flat plate parking space, the arrangement of the mast crane is more flexible, and the distance that the wharf platform extends into the river side can be shortened. The invention can realize the minimization of the floor area and the size of the wharf platform, can greatly reduce the engineering investment, and is an adaptive scheme for transferring and hoisting heavy electric power equipment.
2) The invention adopts a connecting structure scheme, skillfully converts the external force problem of two single structures into the internal force problem of an integral structure, enables all members of the wharf platform and the winch ground anchor abutment to be stressed cooperatively, improves the safety of the mast crane heavy piece wharf structure while reducing the engineering quantity of the pile foundation and the winch ground anchor abutment, and creates favorable conditions for the smooth implementation of heavy piece transportation of the extra-high voltage converter station.
3) The measures of transverse bracing, pile foundation support, beam end pin hinged joint, single-hole box culvert pressure protection and the like are targeted structural design, can effectively ensure the realization of a design assumed model, and ensure the reliable operation of the connection type wharf structure.
Drawings
FIG. 1: a conventional parallel plan layout scheme;
FIG. 2 is a schematic diagram: a conventional free standing structural solution side view;
FIG. 3: vertical floor plan;
FIG. 4: plan view of the connection type structure scheme;
FIG. 5: a side view of the connected structural scheme;
FIG. 6: the schematic diagram of the running state of the mast crane with the unloading amplitude and the lifting amplitude;
FIG. 7 is a schematic view of: a connecting beam pressure-proof structural drawing;
FIG. 8: connecting a node diagram of a beam end pin;
the system comprises a 1-mast crane, a 2-transport flat car, a 3-tractor, a 4-wharf platform, a 5-connecting beam, a 6-ground anchor pier, a 7-winch, an 8-heave pulley block, a 9-main mast, a 10-auxiliary mast, an 11-lifting hook, a 12-converter transformer (heavy equipment), a 13-steel wire rope, a 14-mast support, a 15-connecting beam cross brace, a 16-pile foundation, a 17-frame column, an 18-frame beam, a 19-single-hole box culvert, a 20-embedded bearing movable cover plate, a 21-isolation diaphragm, a 22-pin shaft, a 23-pin shaft connecting plate, a 24-rib plate, a 25-departure transport road, a 26-bank slope line, a 27-harbor basin and a 28-transport barge.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings, wherein the upper and right sides are river sides and the lower and left sides are bank sides.
Referring to fig. 3-6, in the aspect of plane arrangement of a wharf, the invention adopts a vertical arrangement scheme, wherein the vertical arrangement scheme refers to that the connecting line of the herringbone two-leg support seats 14 of the double-herringbone mast crane 1 is vertical to the longitudinal axis of the transport flat car 2, the transport flat car 2 is arranged between the herringbone two-leg mast support seats 14 of the double-herringbone mast crane 1, the converter transformer 12 is lifted from the bottom of a cabin of a transport barge 28 and rotates for 90 degrees in the air, and then the main mast 9 is changed into the amplitude of the amplitude two-leg mast support seats 14 of the transport flat car 2. After the hydraulic full-suspension flat car 2 is loaded, the field between the mast support 14 and the winch 7 needs to be used for passing, and the transport road 25 for leaving port is short.
Due to the compact plane arrangement, the double-herringbone mast crane foundation is combined into the wharf platform 4, and the wharf platform 4 with the mast crane foundation function is formed.
In the aspect of the structural form of the wharf, the wharf adopts a high-pile wharf structural form, the wharf platform 4 adopts a beamless thick plate type bearing platform, the wharf front berthing support structure adopts a reinforced concrete frame beam 18 and a frame column 17, and a pile foundation 16 is adopted for supporting under the wharf platform 4; the ground anchor of the winch adopts a pier foundation, and the lower part of the ground anchor is supported by a pile foundation 16. The whole wharf adopts a connection type structural scheme, and two reinforced concrete connection beams 5 are arranged to connect the ground anchor abutment 6 and the wharf platform 4 together; under the working condition of the lifting amplitude of the double-herringbone mast crane, the connecting beam 5 serves as a supporting rod, so that most of anisotropic horizontal forces borne by the winch ground anchor abutment 6 and the wharf platform 4 are mutually offset; the winch ground anchor abutment 6, the connecting beam 5 and the wharf platform 4 form an integral structure, and the mooring force of the wharf platform 4 and the ship impact force can be jointly borne by the three parts.
In order to reduce the calculated length of the connecting beams 5, the middle of each connecting beam 5 is provided with a reinforced concrete cross brace 15 which is arranged in an H shape together with the two connecting beams 5 on the plane, and a pile foundation 16 is arranged below each connecting beam 5 at the position of the cross brace 15 to serve as a vertical support, so that the connecting beams 5 at the position of the cross brace 15 are reliably supported in the horizontal direction and the vertical direction.
The load transmission path of the mast crane 1 is as follows: the weight of a converter transformer 12 is transmitted to a steel wire rope 13 through a lifting hook 11, the pulling force of the steel wire rope 13 is transmitted to a winch 7 and a winch ground anchor abutment 6 below the winch 7 through a heave pulley block 8 on the top of a main mast 9, the winch 7 is a power output device of the mast crane 1, and the winch 7 is fixed on the top of the winch ground anchor abutment 6; the main mast 9 and the auxiliary mast 10 both play a role in supporting a steel wire rope 13 under various amplitude working conditions, the main mast 9 and the auxiliary mast 10 are hinged to a mast support 14 on the wharf platform 4, and rod body axial force is transmitted to the wharf platform 4 through the support mast 14.
Referring to fig. 7, in order to prevent the connecting beam 5 from being affected by vehicle load, the invention adopts an outer surrounding type single-hole box culvert 19 to perform pressure-proof protection on the connecting beam 5, the vehicle load acts on an embedded bearing movable cover plate 20 of the single-hole box culvert 19, and the side wall of the single-hole box culvert 19 directly transmits vertical load to a road bed layer; the isolation diaphragms 21 are arranged on the top surface of the bottom plate of the single-hole box culvert 19 and the bottom surface of the connecting beam 5, so that the connecting beam 5 cannot be dragged downwards when the single-hole box culvert 19 is stressed and settled.
The single-hole box culvert 19 is of a reinforced concrete structure and the embedded bearing movable cover plate 20, the construction of the bottom plate and the side wall of the single-hole box culvert 19 is firstly carried out in the construction process, the reinforcement binding, formwork supporting and pouring work of the connecting beam 5 are carried out after the construction, the embedded bearing movable cover plate 20 can be prefabricated, the embedded bearing movable cover plate 20 is installed after the construction of the connecting beam 5 is finished, and the site can have the driving condition.
Referring to fig. 8, in order to improve the compressive bearing capacity of the connecting beam 5, the end of the connecting beam 5 is connected with the dock platform 4 through a pin connecting plate 23 by using a pin 22 of a steel structure, and according to the hinged design, the influence of unbalanced bending moment of the winch ground anchor abutment 6 and the dock platform 4 is not considered, and a rib plate 24 is arranged on the pin connecting plate 23.
Claims (5)
1. The utility model provides a connection formula mast hangs heavy piece wharf structure, includes mast and hangs (1), pier platform (4), hoist engine earth anchor (6), its characterized in that: the connecting line of the mast supports (14) at the two feet of the mast crane is vertical to the longitudinal axis of the transport flat car (2) to form a vertical plane, and the transport flat car is arranged between the two feet of the herringbone of the mast crane;
the winch ground anchor (6) and the wharf platform (4) are longitudinally connected through two connecting beams (5) to form an integral structure; the wharf adopts a high-pile wharf structure, the wharf platform (4) adopts a beamless thick plate type bearing platform, a wharf front ship-leaning support structure adopts a reinforced concrete frame, and a pile foundation (16) is adopted to support under the wharf platform; the ground anchor of the winch adopts a pier foundation, and a pile foundation (16) is adopted to support the ground anchor.
2. A tie-down mast sling wharf structure as claimed in claim 1, wherein the end of the tie-down beam (5) is hingedly connected to the wharf platform (4) by a pin (22).
3. A tied mast lifting weight wharf structure according to claim 1, wherein a tie beam cross-brace (15) is provided in the middle of the tie beam (5), the tie beam cross-brace (15) and two tie beams (5) form an "H" arrangement on a plane, and a pile foundation (16) is provided as a vertical support under each tie beam at the tie beam cross-brace.
4. The connection type mast hoisting piece wharf structure according to claim 1, further comprising an outer surrounding type single-hole box culvert (19), wherein the outer surrounding type single-hole box culvert is adopted to perform pressure protection on the connection beam (5), isolation diaphragms (21) are arranged on the top surface of the bottom plate of the single-hole box culvert (19) and the bottom surface of the connection beam, the single-hole box culvert is of a reinforced concrete structure and is provided with an embedded type bearing movable cover plate (20), and the embedded type bearing movable cover plate is prefabricated.
5. A tethered mast sling wharf structure as claimed in claim 1, wherein the mast sling (1) foundation is incorporated into the wharf platform (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210120364.8A CN114922130A (en) | 2022-02-09 | 2022-02-09 | Connecting type mast hoisting piece stacking head structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210120364.8A CN114922130A (en) | 2022-02-09 | 2022-02-09 | Connecting type mast hoisting piece stacking head structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114922130A true CN114922130A (en) | 2022-08-19 |
Family
ID=82805585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210120364.8A Pending CN114922130A (en) | 2022-02-09 | 2022-02-09 | Connecting type mast hoisting piece stacking head structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114922130A (en) |
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| CN211815986U (en) * | 2020-08-25 | 2020-10-30 | 中交天津港湾工程设计院有限公司 | High-pile beamless plate wharf structure |
| CN111980049A (en) * | 2020-09-09 | 2020-11-24 | 中铁六局集团有限公司 | Foundation device of deep riverbed mast type wharf crane and construction method |
| CN212247917U (en) * | 2019-12-30 | 2020-12-29 | 中国电建集团华东勘测设计研究院有限公司 | Combined box culvert for drainage of building site |
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2022
- 2022-02-09 CN CN202210120364.8A patent/CN114922130A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201313793Y (en) * | 2008-10-20 | 2009-09-23 | 陈熙祖 | Large and small herringbone combined gin-pole truck |
| DE102010020995A1 (en) * | 2010-05-11 | 2011-11-17 | Werner Möbius Engineering GmbH | off-shore wind energy plant establishment system, has supporting structure connected to foundation piles embedded in seabed, and protection plate attached to foundation piles at seabed |
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| CN212247917U (en) * | 2019-12-30 | 2020-12-29 | 中国电建集团华东勘测设计研究院有限公司 | Combined box culvert for drainage of building site |
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| CN111980049A (en) * | 2020-09-09 | 2020-11-24 | 中铁六局集团有限公司 | Foundation device of deep riverbed mast type wharf crane and construction method |
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