CN110304588B - Gate hoisting construction method used in narrow operation space - Google Patents
Gate hoisting construction method used in narrow operation space Download PDFInfo
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- CN110304588B CN110304588B CN201910605597.5A CN201910605597A CN110304588B CN 110304588 B CN110304588 B CN 110304588B CN 201910605597 A CN201910605597 A CN 201910605597A CN 110304588 B CN110304588 B CN 110304588B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, 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
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/20—Movable barrages; Lock or dry-dock gates
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Abstract
To the gate installation under the narrow working space, utilize gate upper portion cavity as the space of turning the construction, hoist and mount the first segment of gate earlier, the second segment, utilize the minor face to hoist, place its upper reaches or low reaches department at the gate slot after the upper portion cavity is turned, reserve the installation space of gate slot, later minor face hoist and mount third segment, after turning the third segment in the upper portion cavity, transfer to the gate slot, later hang up the second segment in proper order, the first segment, and place in the gate slot in proper order, realize assembling of segment gate and take shape, can make full use of the narrow space on gate slot upper portion, and the operating efficiency is improved.
Description
Technical Field
The invention relates to a gate hoisting construction method for hydraulic engineering, in particular to a gate hoisting construction method for use in a narrow operation space.
Background
The gate is a main structural component for water retaining and storing engineering in hydraulic engineering, common gate forms comprise a flat gate, an arc gate or a flap gate and the like, the flat gate, the arc gate or the flap gate is generally arranged in a gate slot, the gate is hoisted into the gate slot in a hoisting mode in practice and then assembled, and segment assembling or integral assembling and hoisting can be selected according to hoisting space or hoisting force. The operation mode needs a large operation space, requires a corresponding hoisting space above the gate slot, and often needs to fix hoisting equipment.
In the construction of gate buildings, an opening and closing machine room is usually built at the upper part of a gate slot, a bottom plate of the opening and closing machine room and the upper part of the gate slot form a cavity at the upper part of the gate, the opening and closing machine room usually adopts a steel-concrete structure, and the construction period is wasted if the construction of the opening and closing machine room is carried out after the hoisting of the gate is finished; if the hoist room is built in advance, the space for hoisting the gate is narrow, a general hoisting operation method cannot be realized, and how to utilize the narrow upper cavity of the gate to hoist the gate after the hoist room is built or when a building is arranged on the upper part of the gate is an actual engineering technical problem to be solved.
Disclosure of Invention
The invention provides a gate hoisting construction method used in a narrow working space, aiming at the technical problems, and the hoisting construction method can effectively solve the hoisting problem when a building and an obstacle are arranged at the upper part of the gate.
The invention provides a gate hoisting construction method used in a narrow operation space, which uses a gate upper cavity for hoisting a gate, is used for the construction of the narrow space after the pouring of the top of the gate upper cavity is finished, and adopts segment hoisting for adapting to the narrow operation space, the gate is hoisted from a gate slot and adopts short edge hoisting, and the turning is carried out in the gate upper cavity for hoisting the gate, and the construction method specifically comprises the following construction steps:
s1: processing a gate section, wherein the gate comprises a first section, a second section and a third section which are arranged from top to bottom, and a plurality of lifting points are arranged on the first section, the second section and the third section;
s2: when the top of the cavity at the upper part of the gate is capped, a main hoisting point is arranged on a top plate, and a left auxiliary hoisting point, a left two auxiliary hoisting points, a right one auxiliary hoisting point and a right two auxiliary hoisting points are respectively arranged at two sides of the main hoisting point;
s3: transporting the second section to a gate slot through a flat car, wherein a steel wheel hub is adopted as a wheel hub of the flat car, a track is arranged at the bottom of the wheel hub, and the flat car is dragged to move by a winch;
s4: hoisting the second section by using the main hoisting point and the gate slot, hoisting by using the main hoisting point and a winch matched with a steel wire rope, and hoisting the second section into the cavity at the upper part of the gate;
s5: in the upper cavity of the gate, performing swivel construction on a second section, wherein a left auxiliary lifting point and a right auxiliary lifting point are respectively connected with a left lifting point and a right lifting point of the second section in the transverse direction through steel wire ropes;
s6: hoisting the first section according to the hoisting method in the steps S3-S5, placing the first section on the upper part of the second section, and temporarily locking the first section and the second section by utilizing a connecting steel plate pre-buried in the upper cavity;
s7: hoisting the third segment into the upper cavity according to the hoisting method in the steps S3-S4;
s8: and the swivel construction of the third section is realized in the upper cavity, and the swivel construction specifically comprises the following steps:
s81: laying I-shaped steel and a steel plate at the bottom of the upper cavity, erecting a construction platform, and then putting a third section on the platform;
s82: a main steel wire rope is arranged at the main hoisting point, a steel wire rope is installed on a main steel wire rope lifting hook and fixed on the main hoisting point in the middle of the transverse direction of the third section, a chain block is installed on the lifting hook, and one end of the chain block is firmly connected with the vertical right hoisting point of the third section;
s83: installing a chain block by utilizing the left two auxiliary hoisting points, firmly connecting one end of the chain block with a hoisting point at the lower part of the left side of the third section, and hoisting the third section by utilizing the main hoisting point to cooperate with a winch after the connection and fixation are firm;
s84: a left hydraulic device and a right hydraulic device are respectively arranged on the left wall and the right wall of the upper cavity;
s85: the left hydraulic equipment and the right hydraulic equipment are matched with the main hoisting point and the winch and the steel wire rope of the left auxiliary hoisting point to realize swivel construction of the third section; the rotating body is matched with the gate slot at intervals;
s9: directly hoisting the third section which passes through the swivel in the step S8 into the gate slot, hoisting the third section downwards to a designed position, temporarily locking the third section, and fixing the third section in the gate slot;
s10: hoisting the first section on the upper part of the upper cavity by using a left auxiliary hoisting point, hoisting the second section by using a main hoisting point, hoisting the second section to the upper space of the gate slot and aligning, then hoisting the second section downwards to the third section, and fixing the second section and the third section by using a temporary locking device;
s11: lowering the first section to a designed position, hoisting the first section by using a main hoisting point, hoisting the first section to the upper space of the gate slot and aligning the first section to the second section, and fixing the first section and the second section by using a temporary locking device;
s12: and welding and assembling the first section, the second section and the third section, and removing the hoisting equipment to complete construction.
Preferably, the specific hoisting method in step S4 is: a steel wire rope is installed on a main steel wire rope lifting hook of a second section of the gate and fixed on a transverse lifting point of the gate, a 50t chain block is installed on the lifting hook, and one end of the chain block is firmly connected with a lifting point on the right vertical side of the gate, so that the gate is in a balanced state.
Preferably, the first segment is hoisted in the steps S3-S5, the second segment is hoisted in the step S6, and the second segment is placed on the upper part of the first segment; and in the step S10, the second segment at the upper part is directly hoisted, rotated and then lowered to the upper part of the third segment, and in the step S11, the remaining first segment is directly hoisted, rotated and then lowered to the second segment.
The invention has the advantages and beneficial effects that:
1) the narrow cavity at the upper part of the gate is fully utilized for hoisting operation, so that the technical problem that the cavity at the upper part of the gate is provided with an obstacle and large hoisting equipment cannot perform operation can be solved; because the hoisting point is arranged on the top plate of the cavity at the upper part of the gate, the operations of turning, hoisting, installation and the like can be realized by using the winch, compared with the traditional large hoisting, the engineering cost is saved, and the operation efficiency is improved compared with a manual auxiliary operation mode;
2) the gate sections are placed by utilizing the upstream and downstream spaces of the gate slot, so that the comprehensive utilization of a three-dimensional space can be realized, the first section and the second section which are lifted firstly are placed at the upstream or downstream of the gate slot firstly, the subsequent hoisting, turning and gate slot lowering of the third section are not influenced, and the operation efficiency is improved;
3) the traditional gate hoisting process is overcome, the construction of opening and closing the machine room can be carried out before the gate is installed, the synchronous construction of the gate concrete engineering and the concrete engineering of the opening and closing machine room can be simultaneously realized, the construction efficiency and the structural integrity can be greatly improved, and after the construction of the opening and closing machine room is finished, the hoisting method is utilized to install the gate, so that the construction period can be shortened;
4) for the hoisting problem of similar narrow operation space, the idea of solving the problem is provided, namely three-dimensional space matching and segment hoisting are utilized, and small hoisting equipment is utilized, so that the hoisting of complex large-scale components can be realized, and technical reference can be provided for similar projects.
Description of the drawings:
FIG. 1 is a schematic view of a first segment of the gate;
FIG. 2 is a schematic view of a second segment of the gate;
FIG. 3 is a schematic view of a third segment of the gate;
FIG. 4 is a schematic view of the second section of the gate in transit;
FIG. 5 is a schematic diagram of hoisting a short side of a second section of the gate;
FIG. 6 is a schematic view of the swivel construction of the second section of the gate;
FIG. 7 is a schematic illustration of the placement of a second segment of the gate;
FIG. 8 is a schematic illustration of the placement of the first and second sections of the gate;
FIG. 9 is a schematic view of the third segment of the gate being hoisted;
FIG. 10 is a schematic view of the gate lowering a third section;
FIG. 11 is a schematic view of the second section of the gate being hoisted;
FIG. 12 is a schematic view of the lowering of the second section of the gate;
FIG. 13 is a schematic view of the lowering of the first section of the gate;
FIG. 14 is a schematic view of a third segment swivel construction of the gate;
fig. 15 is a schematic view of the swivel construction (two) of the third section of the gate;
fig. 16 is a schematic view of a third section of the gate in swivel construction (iii);
fig. 17 is a schematic view of swivel construction (iv) of the third section of the gate;
fig. 18 is a schematic view of swivel construction (v) of the third section of the gate.
The specific implementation mode is as follows: the structure defined in the present invention will be explained in detail with reference to the drawings attached to the specification.
The invention provides a gate hoisting construction method used in a narrow operation space, which uses a gate upper cavity for hoisting a gate, is used for the construction of the narrow space after the pouring of the top of the gate upper cavity is finished, and adopts segment hoisting for adapting to the narrow operation space, the gate is hoisted from a gate slot and adopts short edge hoisting, and the turning is carried out in the gate upper cavity for hoisting the gate, and the construction method specifically comprises the following construction steps:
s1: processing a gate segment, wherein the gate comprises a first segment 1, a second segment 2 and a third segment 3 which are arranged from top to bottom, and a plurality of hoisting points are arranged on the first segment 1, the second segment 2 and the third segment 3;
s2: when the top of the cavity at the upper part of the gate is capped, a main hoisting point 5 is arranged on a top plate 4, and a left auxiliary hoisting point 7, a left second auxiliary hoisting point 6, a right first auxiliary hoisting point 8 and a right second auxiliary hoisting point 9 are respectively arranged at two sides of the main hoisting point 5;
s3: the second segment 2 is transported to a gate slot through a flat car, a steel wheel hub is adopted as a wheel hub of the flat car, a track is installed at the bottom of the wheel hub, and the flat car is dragged to move by a winch;
s4: hoisting the second section 2 by using the main hoisting point 5 and the gate slot, hoisting by using the main hoisting point 5 and a winch matched with a steel wire rope, and hoisting the second section 2 to the cavity at the upper part of the gate;
s5: in the cavity at the upper part of the gate, swivel construction is carried out on the second section 2, wherein a left auxiliary lifting point 7 and a right auxiliary lifting point 8 are respectively connected with a left lifting point and a right lifting point at the transverse direction of the second section 2 through steel wire ropes, a left auxiliary lifting point 6 and a right auxiliary lifting point 9 are respectively connected with a lower lifting point and an upper lifting point at the right side of the second section 2 through steel wire ropes, winches are respectively arranged at the left auxiliary lifting point 7, the right auxiliary lifting point 8, the left auxiliary lifting point 6 and the right auxiliary lifting point 9, swivel construction of the second section 2 is realized by matching the winches with the steel wire ropes, and the second section 2 is placed at the junction of the upstream or downstream side wall of the cavity at the upper part and the top plate of the gate slot after being swiveled;
s6: hoisting the first section 1 according to the hoisting method in the steps S3-S5, placing the first section 1 on the upper part of the second section 2, and temporarily locking the first section 1 and the second section 2 by utilizing a connecting steel plate pre-buried in an upper cavity;
s7: hoisting a third segment 3 into the upper cavity according to the hoisting method in the steps S3-S4;
s8: the swivel construction of the third section 3 is realized in the upper cavity, and the swivel construction specifically comprises the following steps:
s81: laying I-shaped steel and a steel plate at the bottom of the upper cavity, building a construction platform, and then dropping the third section 3 onto the platform;
s82: a main steel wire rope is arranged at the main hoisting point 5, a steel wire rope is installed on a main steel wire rope hook and fixed on the main hoisting point in the transverse middle of the third section 3, a chain block is installed on the hook, and one end of the chain block is firmly connected with the vertical right hoisting point of the third section 3;
s83: a chain block is installed by utilizing the left second auxiliary hoisting point 6, one end of the chain block is firmly connected with the hoisting point at the lower part of the left side of the third section 3, and the main hoisting point 5 is matched with a winch to hoist the third section 3 after the chain block is firmly connected and fixed;
s84: a left hydraulic device 10 and a right hydraulic device 11 are respectively arranged on the left wall and the right wall of the upper cavity;
s85: the rotation construction of the third section 3 is realized by utilizing the left hydraulic equipment 10 and the right hydraulic equipment 11 to match with the main hoisting point 5 and the windlass and the steel wire rope of the left two auxiliary hoisting points 6; the rotating body is matched with the gate slot at intervals;
s9: directly hoisting the third section 3 which passes through the swivel in the step S8 into the gate slot, hoisting the third section downwards to a designed position, temporarily locking the third section, and fixing the third section 3 in the gate slot;
s10: hoisting the first section 1 on the upper part of the upper cavity by using a left auxiliary hoisting point 7, hoisting the second section 2 by using a main hoisting point 5, hoisting the second section 2 to the upper space of the gate slot and aligning, hoisting the second section 2 downwards to the third section 3, and fixing the second section 2 and the third section 3 by using a temporary locking device;
s11: lowering the first section 1 to a designed position, hoisting the first section 1 by using a main hoisting point 5, hoisting the first section 1 to the upper space of the gate slot and aligning, then hoisting the first section 1 downwards to the second section 2, and fixing the first section 1 and the second section 2 by adopting a temporary locking device;
s12: and welding and assembling the first section 1, the second section 2 and the third section 3, and dismantling the hoisting equipment to complete construction.
Preferably, the specific hoisting method in step S4 is: a steel wire rope is installed on a main steel wire rope lifting hook of a second section 2 of the gate and fixed on a transverse lifting point of the gate, a 50t chain block is installed on the lifting hook, and one end of the chain block is firmly connected with a lifting point on the right vertical side of the gate, so that the gate is in a balanced state.
Preferably, the first segment 1 is hoisted in the steps S3-S5, the second segment 2 is hoisted after the step S6, and the second segment 2 is placed on the upper part of the first segment 1; in step S10, the second segment 2 at the upper part is directly hoisted, rotated and then lowered to the upper part of the third segment 3, and in step S11, the remaining first segment 1 is directly hoisted, rotated and then lowered to the second segment 2.
After the second section 2 is hoisted to the upper cavity, the second section 2 is placed at the upstream or the downstream of the gate slot, a gate slot installation space of the third section 3 is reserved, preferably, the short side of the second section is vertically placed, the long side of the second section is horizontally placed, and the long side of the second section is parallel to the two gate slots; during operation, preferably, the second segment 2 is operated in the direction of the steel wire rope force applied as shown in fig. 6, that is, the left second auxiliary lifting point 6 and the right second auxiliary lifting point 9 apply force upwards, the steel wire ropes of the left first auxiliary lifting point 7 and the right first auxiliary lifting point 8 move downwards, and in order to realize upstream or downstream placement of the second segment 2, the left first auxiliary lifting point 7, the left second auxiliary lifting point 6, the right first auxiliary lifting point 8 and the right second auxiliary lifting point 9 are preferably arranged in a staggered manner from upstream to downstream; or when the second section 2 is placed upstream or downstream, the second section 2 is moved upstream and downstream by means of pushing equipment or hydraulic equipment by adopting manual auxiliary operation;
as a concrete engineering example, an accident maintenance gate is arranged on a water inlet tower of a certain spillway, and the height of a gate slot of the maintenance gate of the water inlet tower is 360-407 m. Because the overhaul gate manufacturer is not processed when the top surface platform of the flood discharge tunnel is capped, and the overhaul gate cannot be installed before capping, the overhaul gate can only be installed by hoisting from a gate slot at present. The gate width is 8.22m, and the width of the gate slot in the direction of the left and right banks is 8.5m, so that the gate can only be hoisted according to the short edge when being hoisted, and is hoisted to the cavity above the 407m platform for rotating.
When the hoist engine room is closed, later gate hoisting is considered, auxiliary hoisting points are respectively buried in two sides of the hoisting hoist, and auxiliary hoisting is carried out and rotation construction is matched.
The first segment is lifted and temporarily fixed at the upstream of a 407 m-elevation access door cavity, the second segment is lifted and placed on the first segment, and the first segment and the second segment are fixed by utilizing a steel plate lifting point pre-embedded in concrete pouring.
And finally, hoisting the third section, directly connecting the third section into the gate slot after 90-degree overturning, transferring the third section to a formulated position, hoisting the second section onto the third section after turning, and finally hoisting the first section onto the second section to complete integral splicing by welding.
The above-described embodiments are only preferred embodiments of the present invention, and the scope of the present invention should not be construed as being limited to the specific forms set forth in the examples, but also includes equivalent technical means which can be conceived by those skilled in the art from the present inventive concept.
Claims (3)
1. The utility model provides a gate hoist and mount construction method for under narrow operation space, this construction method utilizes gate upper portion cavity to carry out the gate hoist and mount for narrow space construction after the completion is pour at gate upper portion cavity top, for adapting to narrow operation space, the gate adopts the segment hoist and mount, and the gate adopts the minor face to hoist from the gate slot hoist and mount, turns at gate upper portion cavity, carries out the hoist and mount construction of gate, its characterized in that: the construction method specifically comprises the following construction steps:
s1: processing a gate section, wherein the gate comprises a first section, a second section and a third section which are arranged from top to bottom, and a plurality of lifting points are arranged on the first section, the second section and the third section;
s2: when the top of the cavity at the upper part of the gate is capped, a main hoisting point is arranged on a top plate, and a left auxiliary hoisting point, a left two auxiliary hoisting points, a right one auxiliary hoisting point and a right two auxiliary hoisting points are respectively arranged at two sides of the main hoisting point;
s3: transporting the second section to a gate slot through a flat car, wherein a steel wheel hub is adopted as a wheel hub of the flat car, a track is arranged at the bottom of the wheel hub, and the flat car is dragged to move by a winch;
s4: hoisting the second section by using the main hoisting point and the gate slot, hoisting by using the main hoisting point and a winch matched with a steel wire rope, and hoisting the second section into the cavity at the upper part of the gate;
s5: in the upper cavity of the gate, performing swivel construction on a second section, wherein a left auxiliary lifting point and a right auxiliary lifting point are respectively connected with a left lifting point and a right lifting point of the second section in the transverse direction through steel wire ropes;
s6: hoisting the first section according to the hoisting method in the steps S3-S5, placing the first section on the upper part of the second section, and temporarily locking the first section and the second section by utilizing a connecting steel plate pre-buried in the upper cavity;
s7: hoisting the third segment into the upper cavity according to the hoisting method in the steps S3-S4;
s8: and the swivel construction of the third section is realized in the upper cavity, and the swivel construction specifically comprises the following steps:
s81: laying I-shaped steel and a steel plate at the bottom of the upper cavity, erecting a construction platform, and then putting a third section on the platform;
s82: a main steel wire rope is arranged at the main hoisting point, a steel wire rope is installed on a main steel wire rope lifting hook and fixed on the main hoisting point in the middle of the transverse direction of the third section, a chain block is installed on the lifting hook, and one end of the chain block is firmly connected with the vertical right hoisting point of the third section;
s83: installing a chain block by utilizing the left two auxiliary hoisting points, firmly connecting one end of the chain block with a hoisting point at the lower part of the left side of the third section, and hoisting the third section by utilizing the main hoisting point to cooperate with a winch after the connection and fixation are firm;
s84: a left hydraulic device and a right hydraulic device are respectively arranged on the left wall and the right wall of the upper cavity;
s85: the left hydraulic equipment and the right hydraulic equipment are matched with the main hoisting point and the winch and the steel wire rope of the left auxiliary hoisting point to realize swivel construction of the third section; the rotating body is matched with the gate slot at intervals;
s9: directly hoisting the third section which passes through the swivel in the step S8 into the gate slot, hoisting the third section downwards to a designed position, temporarily locking the third section, and fixing the third section in the gate slot;
s10: hoisting the first section on the upper part of the upper cavity by using a left auxiliary hoisting point, hoisting the second section by using a main hoisting point, hoisting the second section to the upper space of the gate slot and aligning, then hoisting the second section downwards to the third section, and fixing the second section and the third section by using a temporary locking device;
s11: lowering the first section to a designed position, hoisting the first section by using a main hoisting point, hoisting the first section to the upper space of the gate slot and aligning the first section to the second section, and fixing the first section and the second section by using a temporary locking device;
s12: and welding and assembling the first section, the second section and the third section, and removing the hoisting equipment to complete construction.
2. The gate hoisting construction method for the narrow working space according to claim 1, wherein: the specific hoisting method in step S4 is: a steel wire rope is installed on a main steel wire rope lifting hook of a second section of the gate and fixed on a transverse lifting point of the gate, a 50t chain block is installed on the lifting hook, and one end of the chain block is firmly connected with a lifting point on the right vertical side of the gate, so that the gate is in a balanced state.
3. The gate hoisting construction method for the narrow working space according to claim 1, wherein: firstly hoisting a first segment in the steps S3-S5, hoisting a second segment in the step S6, and placing the second segment on the upper part of the first segment; and in the step S10, the second segment at the upper part is directly hoisted, rotated and then lowered to the upper part of the third segment, and in the step S11, the remaining first segment is directly hoisted, rotated and then lowered to the second segment.
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| CN201910605597.5A CN110304588B (en) | 2019-07-05 | 2019-07-05 | Gate hoisting construction method used in narrow operation space |
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| CN110984611B (en) * | 2019-11-29 | 2022-03-01 | 中国二十二冶集团有限公司 | Narrow space steel column installation method |
| CN111119133B (en) * | 2020-01-16 | 2021-07-06 | 董传强 | Hydropower station gate protection construction equipment and construction method thereof |
| CN113605346B (en) * | 2021-08-04 | 2022-08-12 | 中交三航局第二工程有限公司 | Non-navigation-stop maintenance method for large drain valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS60192013A (en) * | 1984-03-09 | 1985-09-30 | Hitachi Zosen Corp | Gate checking and repairing device |
| JP3050482B2 (en) * | 1994-02-22 | 2000-06-12 | 株式会社石垣 | Gate pump for easy inspection |
| JP5762822B2 (en) * | 2011-05-20 | 2015-08-12 | 日立造船株式会社 | Floating flap gate |
| CN103074872B (en) * | 2013-01-18 | 2017-04-12 | 成都阿朗科技有限责任公司 | Gate slot construction method and device for gate |
| CN103469771B (en) * | 2013-09-26 | 2015-09-30 | 江苏省水利机械制造有限公司 | Large-scale goggles-shaped gate burst mounting method |
| CN205557471U (en) * | 2016-01-29 | 2016-09-07 | 常州市武进第一水利机械有限公司 | Plane gate liftes vertically |
| CN105951683B (en) * | 2016-05-19 | 2018-03-23 | 中国葛洲坝集团第一工程有限公司 | Gate pier bracket Joint Re-bar Construction |
| CN106120664B (en) * | 2016-06-24 | 2018-05-11 | 中国长江三峡集团公司 | Ship lift tail-bay main gate construction method |
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