CN117230757B - Method for installing lock overhaul stop log door - Google Patents
Method for installing lock overhaul stop log door Download PDFInfo
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- CN117230757B CN117230757B CN202311503377.4A CN202311503377A CN117230757B CN 117230757 B CN117230757 B CN 117230757B CN 202311503377 A CN202311503377 A CN 202311503377A CN 117230757 B CN117230757 B CN 117230757B
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- 238000000034 method Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 217
- 239000000178 monomer Substances 0.000 claims abstract description 133
- 238000007689 inspection Methods 0.000 claims abstract description 14
- 238000009434 installation Methods 0.000 claims abstract description 12
- 238000005086 pumping Methods 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 27
- 239000010959 steel Substances 0.000 claims description 27
- 238000011144 upstream manufacturing Methods 0.000 claims description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 4
- 238000007667 floating Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 17
- 238000010276 construction Methods 0.000 abstract description 5
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Classifications
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- 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
- Y02A10/30—Flood prevention; Flood or storm water management, e.g. using flood barriers
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Abstract
The invention relates to the field of hydraulic engineering construction, in particular to a method for installing a lock overhaul stop-beam door; the method comprises the following steps: s1, preparing work; s2, assembling and shipping the overhaul stop log door; s3, overhauling the landing beam door to fall and install; s4, fixing the overhaul stop log door; s5, pumping water and overhauling; s6, removing the single body of the stop log door; the inspection stoplog door is composed of a plurality of stoplog door monomers, the stoplog door monomers are of a sealed hollow structure and can be combined into an inspection door slot for integral delivery or combined after single delivery, so that the weight of the stoplog door is greatly reduced, buoyancy is generated in water by utilizing the stoplog door monomers, and a ship is adopted for delivery to the inspection door slot; the first water stop and the second water stop enable each overhaul stop beam door to form a closed water stop system, and the closed water stop system has independent water stop capability; when the single body of the stoplog door is dismantled, the single body of the stoplog door floats by utilizing buoyancy and is transported to a storage position, so that the difficult problems of difficult installation and dismantling of the stoplog door are solved, and meanwhile, the use and maintenance cost is reduced.
Description
Technical Field
The invention relates to the field of hydraulic engineering construction, in particular to a method for installing a lock overhaul stop-beam door.
Background
During the overhaul of the ship lock, the overhaul stop beam door and the herringbone gate are closed to form a temporary water-stopping closed system, and after water is pumped, a dry condition is formed to carry out overhaul operation; the conventional lock overhauling stop log door is of a concrete structure or an open steel structure, and has the advantages of heavy weight, high transportation, installation and dismantling difficulties and high use and maintenance cost.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a method for installing a lock overhaul stop log door, which is light in weight and convenient to carry and install.
The invention provides a method for installing a ship lock overhauling stop-beam door, which comprises a plurality of stop-beam door monomers stacked from bottom to top, wherein each stop-beam door monomer comprises a water facing panel, a water stopping panel, a top plate, a bottom plate and two side plates, a hollow cavity is formed in each stop-beam door monomer, and the gravity of each stop-beam door monomer is smaller than the buoyancy of each stop-beam door monomer in water so that each stop-beam door monomer floats in the water; the method comprises the following steps:
s1, preparing:
when the lock main body structure is constructed, a first embedded steel plate is respectively arranged on the side surface of each access door slot, which is contacted with the access stop-beam door, and a bottom embedded steel plate is arranged on the concrete bottom plate between the two access door slots;
s2, assembling and shipping the overhaul stoplog door:
plugging through holes and exhaust holes of the stoplog door monomers to enable the stoplog door monomers to be in a sealing state, stacking and combining a plurality of the stoplog door monomers up and down, connecting two adjacent stoplog door monomers up and down, assembling to form an overhaul stoplog door, floating the overhaul stoplog door on the water surface, transporting the overhaul stoplog door to an overhaul door slot position, lifting the overhaul stoplog door by a lifting appliance, and then opening the through holes and the exhaust holes of the uppermost-layer stoplog door monomers;
s3, overhauling landing beam door falling installation:
controlling a lifting appliance to lower the overhauling stoplog door, when the uppermost stoplog door monomer is lowered below the water surface, water enters the interior of the uppermost stoplog door monomer through a through hole of the uppermost stoplog door monomer, the stoplog door monomer slowly sinks until the uppermost stoplog door monomer is filled with water, the lowermost stoplog door monomer falls onto the bottom embedded steel plate, the uppermost stoplog door monomer is in a full-load water filling state, and the rest lower stoplog door monomers are in a sealed no-load state;
s4, fixing the overhaul stoplog door:
when the lowermost single body of the stop-beam door is in complete contact with the bottom embedded steel plate, limiting wedges are embedded in gaps between the water facing panel of each single body of the stop-beam door and the access door groove, so that second water stops at two sides of the single body of the stop-beam door are clung to the first embedded steel plate and are compressed, and then the exhaust holes of the single body of the stop-beam door at the uppermost layer are plugged;
s5, pumping water and overhauling:
pumping water from a water stopping surface of the inspection stop log door by using a water pump, discharging the water to the upstream surface until the water in the uppermost stop log door monomer is discharged from the through hole, and plugging the through hole of the uppermost stop log door monomer to perform lock inspection operation;
s6, removing the superimposed door monomer:
after the ship lock overhauls, a siphon is arranged on one side of the upstream surface, external water enters an overhauling area through the siphon until the water levels on two sides of the overhauling stop log door are the same, and the stop log door is disassembled from two adjacent overhauling stop log doors and the limit wedges on two sides of the overhauling stop log door are disassembled from the uppermost stop log door monomer, and the stop log door monomers are sequentially lifted from top to bottom and transported to a storage position.
In some embodiments of the present application, in step S2, after the stoplog door monomer is in a sealed state, the stoplog door monomer may also float on the water surface, and after being respectively lifted to the access door slot positions, the stoplog door monomer is lifted one by one and stacked by a lifting appliance, two adjacent stoplog door monomers are connected up and down, an access stoplog door is formed by assembling, the overhaul stoplog door is lifted by the lifting appliance, and then the through hole and the exhaust hole of the uppermost-layer stoplog door monomer are opened.
In some embodiments of the present application, when the number of the stoplog door monomers is greater than 3, in step S2, the maintenance stoplog door is lifted by a lifting appliance, after the through hole and the exhaust hole of the uppermost stoplog door monomer are opened, at least one underwater through hole of the stoplog door monomer is also required to be opened, so that when the step S3 stoplog door monomer falls, the upper-layered stoplog door monomer is assisted to sink, the uppermost-layered stoplog door monomer is in a fully loaded water state, the stoplog door monomer with the opening through hole of the lower layer is water, the upper layer is the residual gas which is not exhausted, and the other stoplog door monomers are in a sealed idle state.
In some embodiments of the present application, a first water stop is provided on the outer side of the bottom plate, the first water stop extends along the length direction of the bottom plate, the length of the first water stop is adapted to the length of the bottom plate, and the first water stop is used for blocking water from entering the maintenance area along the bottom plate;
second water stop strips are symmetrically arranged on two sides of the water stop panel in the access door groove, the second water stop strips are arranged in an extending mode along the height direction of the water stop panel, the height of the second water stop strips is matched with the height of the water stop panel, and the second water stop strips are used for preventing water from entering an access area from two sides of the door body along the upstream surface and the side plates;
the first water stop is connected with the second water stops at two sides, so that after each layer of stop-beam door monomer is installed, a closed water stop system is formed, and water is prevented from entering an overhaul area.
In some embodiments of the present application, the through hole is disposed at the bottom of the water stop panel, and is used for external water to enter the cavity or for draining water in the cavity;
the gas in the cavity is discharged through the gas discharge holes when external water enters the cavity, so that the pressure inside and outside the cavity is balanced;
in step S3, water enters from the through hole of the single body of the stoplog door at the uppermost layer, and gas is discharged from the exhaust hole, so that the single body of the stoplog door at the uppermost layer is fully loaded.
In some embodiments of the present application, a plurality of reinforcing ribs are uniformly disposed inside the cavity of the stop-beam door unit, and divide the cavity into a plurality of chambers, and the reinforcing ribs are used for reinforcing the strength of the stop-beam door unit;
and the top angle positions above and below the reinforced rib plates are provided with drainage air holes, so that water and air can be uniformly discharged into each cabin after water is fed, and stable sinking of the stop log door monomer is ensured.
In some embodiments of the present application, an inspection manhole is provided on the top plate, and the inspection manhole is sealed by a flange plate.
In some embodiments of the present application, the upstream face plate includes with the vertical board of stagnant water panel parallel, and is located the vertical board both sides just with the vertical board is the hang plate that the contained angle set up, the vertical board protrusion in two the hang plate sets up, and the hang plate of vertical board and both sides can further increase the upstream area, reduces the impact pressure of the water that the upstream face received.
Based on the technical scheme, the overhaul stop log door consists of a plurality of stop log door monomers, and the stop log door monomers are of a sealed hollow structure, so that the weight of the stop log door is greatly reduced, buoyancy is generated in water by utilizing the stop log door monomers, and a ship is adopted to be transported to an overhaul gate slot;
the through holes and the exhaust holes are arranged to facilitate sinking installation of the stop-beam door single body, and the post-dismantling is convenient, and each overhaul stop-beam door is formed into a closed water-stopping system by the first water-stop belt and the second water-stop belt, so that the independent water-stopping capability is realized;
the maintenance stop log door can be integrally shipped after being assembled, or can be assembled after being singly shipped to the site, so that the hoisting times are reduced, the maintenance stop log door can be hoisted in place once, and the construction efficiency is improved;
when the single body of the stoplog door is dismantled, the through hole is closed, the single body of the stoplog door floats by utilizing buoyancy and is transported to a storage position, the difficult problems of difficult installation and dismantling of the stoplog door are solved, and meanwhile, the use and maintenance cost is reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:
FIG. 1 is a top view of a lock access stop log door according to an embodiment of the present invention;
FIG. 2 is a front view of an embodiment of the present invention after a lock access stop log door is installed;
in the drawing the view of the figure,
10. an access door slot; 11. a first pre-buried steel plate; 12. a steel plate is pre-buried at the bottom; 13. a concrete floor; 20. overhauling a stop log door; 21. a door body; 211. a water-facing panel; 2111. a vertical plate; 2112. an inclined plate; 212. a water stop panel; 2121. a through hole; 2122. a limiting block; 213. a top plate; 2131. an exhaust hole; 2132. a manhole is inspected; 214. a side plate; 215. reinforcing rib plates; 216. a hanging point; 22. a first water stop; 23. a second water stop; 30. and a limit wedge.
Detailed Description
The technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", or a third "may explicitly or implicitly include one or more such feature.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1-2, this embodiment provides a ship lock access stop-log door installed between two access door slots 10, the access stop-log door 20 including a plurality of stop-log door units stacked from bottom to top, the stop-log door units including:
the door body 21 comprises a water facing panel 211, a water stopping panel 212, a top plate 213, a bottom plate (not shown in the figure) and two side plates 214, a hollow cavity is formed in the door body, the gravity of the door body 21 is smaller than the buoyancy of the door body in water, so that the door body 21 floats in the water, and a ship can be adopted to float and transport the stoplog door monomer; in this embodiment, the length of the door body 21 is 24m, the height is 0.9m, and the width is 1.2m; the weight is about 13t.
The outer side surface of the bottom plate is provided with a first water stop belt 22 which extends along the length direction of the bottom plate, the length of the first water stop belt 22 is matched with the length of the bottom plate, and the first water stop belt 22 is used for preventing water from entering an overhaul area along the bottom plate;
two second water stop strips 23 are symmetrically arranged on the water stop panel 212 in the access door slot 10, the second water stop strips 23 are arranged in an extending mode along the height direction of the water stop panel 212, the height of the second water stop strips 23 is matched with the height of the water stop panel 212, and the second water stop strips 23 are used for preventing water from entering an overhaul area from two sides of the water facing panel 211 of the door body 21 and the side plates 214;
the first water stop belt 22 is connected with the second water stop belts 23 on the two sides, so that after the inspection stop beam door is installed, each laminated beam door monomer can form a closed water stop system to prevent water from entering an inspection area through a gap between the inspection door slot 10 and the stop beam door monomer; the first water stop 22 of the single body of the stop beam door positioned at the bottommost layer and the bottom of the access door slot 10 form a water stop structure, the first water stop of the single body of the upper layer-built beam door and the top plate of the single body of the lower layer-built beam door form a water stop structure, and the second water stop 23 is collinear, so that no water leakage exists between the upper adjacent single body of the stop beam door and the lower adjacent single body of the stop beam door;
as shown in fig. 1, a through hole 2121 is arranged at the bottom and the middle position of the water stop panel 212, and is used for external water to enter a cavity of the stopbeam door monomer or for discharging water in the cavity, in this embodiment, the diameter of the through hole 2121 is 100mm, the through hole 2121 is positioned at the bottom of the water stop panel 212, so that water in the door body is conveniently emptied, and floating of the stopbeam door monomer is facilitated, meanwhile, the through hole 2121 is positioned at the middle position of the water stop panel, so that water is conveniently split from the middle to two ends when water is fed, and the door body keeps a horizontal state when water is fed and stably sinks;
as shown in fig. 1, at least one exhaust hole 2131 is provided on the top plate 213, in this embodiment, two exhaust holes 2131 are symmetrically provided at two ends of the top plate 213, in this embodiment, the diameter of the exhaust hole 2131 is 16mm, when external water enters the cavity through the through hole 2121, the gas in the cavity is exhausted through the exhaust holes 2131 at two sides of the top plate 213, so that the pressure balance between the inside and the outside of the cavity is ensured, and the door can keep a horizontal state and sink.
According to the technical scheme, the single body of the stoplog door is of a sealed hollow structure, so that the weight of the stoplog door is greatly reduced, buoyancy is generated in water by the single body of the stoplog door, a ship is adopted to be carried to the access door slot 10, the setting of the through hole 2121 and the exhaust hole 2131 is convenient for sinking and installing the stoplog door, and the difficult problems of difficulty in installing and dismantling the stoplog door are solved; the first water stop strip 22 and the second water stop strip 23 enable each stop beam door monomer to form an independent and closed water stop system, so that good water blocking performance of the whole overhauled stop beam door after being installed is ensured, and the use and maintenance cost is reduced.
With continued reference to fig. 1, a first pre-buried steel plate 11 is provided on the end surface of the access door slot 10 that interfaces with the water stop panel 212; the first embedded steel plate 11 is tightly contacted with the second water stop belt 23, the second water stop belt 23 is compressed, and water is prevented from entering the overhaul area from two sides of the stop beam door monomer;
further, the two ends of the outer side surface of the water stop panel 212 are symmetrically provided with limiting blocks 2122, the width of each limiting block 2122 is smaller than the thickness of the corresponding second water stop belt 23, when the stop blocks 2122 moving to the two ends of each stop block are in contact with the first embedded steel plate 11 during the single body installation of the stop block, the corresponding second water stop belts 23 are compressed, and the compression amount can be ensured to meet the water stop requirement.
A bottom embedded steel plate 12 is arranged on the concrete bottom plate 13 between the two access door slots 10, the bottom embedded steel plate 12 is tightly contacted with a first water stop belt 22 on the bottom plate, the first water stop belt 22 is compressed by the self weight of the door body and the gravity of water in the cavity, and the first water stop belt 22 prevents water from entering an access area from the bottom of the stop beam door monomer; in this embodiment, the bottom of the door body is in a concave structure, and the bottom plate (not shown) has a certain distance from the water stop panel 212, the upstream surface plate 211 and the bottoms of the two side plates 214, and the distance is smaller than the thickness of the first water stop 22, when the door body is installed, the first water stop 22 is compressed, and the compression is determined by the distance between the bottom plate and the bottom of the door body, so as to meet the water stop requirement of the bottom.
As shown in fig. 1, a plurality of reinforcing ribs 215 are uniformly arranged in the cavity, eleven reinforcing ribs 215 are provided in this embodiment, the cavity is equally divided into twelve chambers, and the reinforcing ribs 215 can strengthen the strength of the body of the stop-beam door, so that after the maintenance of the stop-beam door is installed, the body of the stop-beam door positioned at the bottom can bear the weight of the body of the stop-beam door positioned above the body of the stop-beam door plus the weight of water in part of the cavity. Further, drainage air holes (not shown in the figure) are formed in the top angle positions above and below the reinforcement rib plates 215, and water and air can be uniformly introduced into each cabin after water is introduced, so that stable sinking of the stop-beam door monomer is ensured.
In order to be convenient for inspect and maintain the free inner structure of stoplog door, the intermediate position of roof 213 is provided with the manhole 2132, and manhole 2132 passes through the ring flange airtight, except that maintenance in-process need keep manhole 2132 for open state, in the free transportation of stoplog door, installation, use, and follow-up in-process manhole 2132 of demolishing all be sealed state.
With continued reference to fig. 1, in order to increase the water facing area and reduce the impact pressure of water received by the water facing surface of the stop-beam door, the water facing panel 211 of this embodiment includes vertical plates 2111 parallel to the water stop panel 212, and inclined plates 2112 disposed on two sides of the vertical plates 2111 and disposed at an included angle with the vertical plates 2111, two inclined plates 2112 are disposed at two ends of the vertical plates in a splayed shape, and the vertical plates 2111 protrude from the two inclined plates 2112, so that the water facing area of the vertical plates 2111 and the inclined plates 2112 on two sides can be further increased.
Four hanging points 216 are uniformly arranged on the single body of the stop-beam door in order to facilitate the hanging of the single body of the stop-beam door.
The method for installing the lock overhaul stop-beam door in the embodiment comprises the following steps:
s1, preparing:
when the lock main body structure is constructed, a first embedded steel plate 11 is respectively arranged on the side surface of each access door slot 10, which is contacted with a water stop panel 212 of a stop beam door monomer, a bottom embedded steel plate 12 is arranged on a concrete bottom plate 13 between two access door slots 10, and the first embedded steel plate 11 and the bottom embedded steel plate 12 meet the requirement of water stop flatness;
before the stop-beam door is installed, arranging divers to clean silt and sundries in the area range of the access door slot 10, wherein the areas of the first embedded steel plate 11 and the bottom embedded steel plate 12 need to be cleaned;
s2, assembling and shipping the overhaul stoplog door:
blocking through holes 2121 and exhaust holes 2131 of all the stop-beam door monomers to enable the stop-beam door monomers to be in a sealing state, checking the sealing performance of the stop-beam door to be installed, the integrity of the through holes and the two exhaust holes, and checking the integrity of a first water stop strip 22 at the bottom of the stop-beam door and a second water stop strip 23 at the side surface;
in this embodiment, 3 stacking and combining the stacking beam door units up and down, in order to facilitate the combination between the stacking beam door units, four horizontally arranged connection lifting lugs (not shown in the figure) are respectively arranged at the top and the bottom of the water stop panel 212 and the upstream surface panel 211 of the stacking beam door unit, and when the stacking beam door is overhauled, the connection lifting lugs at the bottom of the upper stacking beam door unit are aligned with the connection lifting lugs at the top of the lower stacking beam door unit in an up-down contact manner, the connection lifting lugs are respectively fixed by using four limiting pins, at this time, the stacking beam door unit is initially in place, the limiting pins can be sequentially removed later, bolts penetrate through the two aligned connection lifting lugs, and then the bolts are fixed by nuts;
after the maintenance stoplog door 20 is assembled on the dry land, the maintenance stoplog door 20 floats on the water surface, the maintenance stoplog door 20 is lifted up through a lifting appliance after being lifted to the position of the maintenance gate groove 10, then a flange plate on a through hole is removed, plugging bolts of two vent holes at the top are removed, and a through hole 2121 and a vent hole 2131 of the single body of the stoplog door at the uppermost layer are opened; the through hole 2121 of the lowermost stacked beam door monomer is required to be opened, so that the sinking of the upper stacked beam door monomer is realized when the stacked beam door monomer falls in the step S3;
in other embodiments, after the stop-beam door monomer is floated to a construction site, the stop-beam door monomer can be hoisted to a ship for fixed assembly, and the stop-beam door monomer is hoisted into water after the assembly is completed or is hoisted and assembled in water. Other conventional assembling and fixing methods may be adopted, and will not be described here.
S3, overhauling landing beam door falling installation:
controlling a lifting appliance to descend to overhaul the stoplog door 20, enabling the lowest-layer overhaul stoplog door 20 to smoothly enter water, enabling partial water to enter through the through hole 2121, continuing to sink, enabling the water to enter the uppermost-layer stoplog door through the through hole 2121 of the uppermost-layer stoplog door when the uppermost-layer stoplog door is descended below the water surface, enabling the overhaul stoplog door 20 to slowly sink until the uppermost-layer stoplog door is filled with water, continuing to sink until the lowermost-layer stoplog door falls onto the bottom embedded steel plate 12, enabling the uppermost-layer stoplog door to be in a full-load water filling state, enabling the middle-layer stoplog door to be in a sealed empty-load state, enabling the lowermost-layer stoplog door to be in water, and enabling the uppermost-layer stoplog door to be in a non-discharged gas;
in other embodiments, the through hole 2121 of the stoplog door monomer of the middle layer can be opened, the stoplog door monomer of the lowest layer is sealed, when the stoplog door monomer of the lowest layer is in place, the uppermost stoplog door monomer is in a full-load water filling state, the middle layer stoplog door monomer is water with water inlet at the lower part, the gas which is not discharged is arranged above the middle layer stoplog door monomer, and the lowermost stoplog door monomer is in a sealed no-load state;
alternatively, the through holes 2121 of the middle layer and the lowermost layer of laminated beam door monomers can be opened, when the laminated beam door monomers are installed in place, the uppermost layer of laminated beam door monomers are in a full-load water filling state, the middle layer and the lowermost layer of laminated beam door monomers are water with water inlet at the lower part, and the upper part is gas which is not discharged;
s4, fixing the overhaul stoplog door:
when the lowermost superimposed beam door monomer is in full contact with the bottom embedded steel plate 12, a limiting wedge 30 is embedded in a gap between the water facing panel 211 of each superimposed beam door monomer and the access door groove 10, so that the second water stop strips 23 on two sides of each superimposed beam door monomer are clung to the first embedded steel plate 11 and are compressed, the second water stop strips 23 are compressed to the same width as the limiting blocks 2122, and then the blocking bolts of the exhaust holes 2131 of the uppermost superimposed beam door monomer are blocked, so that the exhaust holes 2131 are blocked;
s5, pumping water and overhauling:
after the stop-beam door is installed and fixed, water is pumped out from the water stop surface of the stop-beam door by using a high-power water pump and is discharged to the water-facing surface side, so that the water pumping amount is ensured to be larger than the water seepage amount; after precipitation is finished, maintaining water pumping is carried out; after water in the uppermost laminated beam door monomer is discharged from the through hole 2121, the through hole 2121 on the uppermost laminated beam door monomer is plugged by the mounting flange plate, and the ship lock overhaul operation is carried out;
in other embodiments, after the water in the body of the stoplog door with the lower part being water and the upper part being the gas which is not discharged is discharged, the through hole 2121 is blocked;
s6, removing the superimposed door monomer:
after the ship lock overhauling work is finished, a siphon is installed on one side of the upstream surface plate 211, external water enters an overhauling area through the siphon until the water levels on two sides of the stop log door are the same, nuts and bolts on the connecting lifting lugs are sequentially removed from the uppermost stop log door monomer, the limit wedges 30 on two sides of the stop log door monomer are removed, the stop log door monomer floats by buoyancy, the stop log door monomer is sequentially separated by adopting a ship, and all the stop log door monomer is lifted off and transported to a storage position according to the sequence from top to bottom.
In another embodiment, in step S2, after the stacking beam door units are in a sealed state, the stacking beam door units can be floated on the water surface, respectively transported to the positions of the access door slots 10, and then lifted up one by one to be transferred to the ship for stacking and combining by a lifting appliance, or can be stacked and combined in the water; after the assembly is completed, lifting the overhauling stop log door by a lifting appliance, removing a flange plate on the through hole, removing plugging bolts of two top exhaust holes, and opening a through hole 2121 and an exhaust hole 2131 of the single body of the stop log door at the uppermost layer;
when the two stoplog door monomers are only used for overhauling the stoplog door, or the two stoplog door monomers are combined and installed in a group, only the through holes 2121 and the exhaust holes 2131 of the upper laminated stoplog door monomers are required to be opened, and the lower laminated stoplog door monomers are kept in a sealing state.
In step S2, during the assembly process of the inspection stop-beam door, the second water stop belt 23 of the upper laminated beam door monomer and the second water stop belt 23 of the lower laminated beam door monomer are required to be collinear, so that when the second water stop belt is installed, the second water stop belt must be ensured to be installed at the same position of each stop-beam door monomer, as shown in fig. 2, and the requirement of water stop on the side surface of the whole inspection stop-beam door is met;
the installation height of the overhaul stop log door is 1m higher than the highest water level in the overhaul period;
the overhaul stop log door of the embodiment is formed by a plurality of stop log door monomers, and the stop log door monomers are of a sealed hollow structure, so that the weight of the stop log door is greatly reduced, buoyancy is generated in water by utilizing the stop log door monomers, and a ship is adopted to be lifted to an overhaul gate groove;
the through holes and the exhaust holes are arranged to facilitate sinking installation of the stop-beam door single body, and the post-dismantling is convenient, and each overhaul stop-beam door is formed into a closed water-stopping system by the first water-stop belt and the second water-stop belt, so that the independent water-stopping capability is realized;
the maintenance stop log door can be integrally shipped after being assembled, or can be assembled after being singly shipped to the site, so that the hoisting times are reduced, the maintenance stop log door can be hoisted in place once, and the construction efficiency is improved;
when the single body of the stoplog door is dismantled, the through hole is closed, the single body of the stoplog door floats by utilizing buoyancy and is transported to a storage position, the difficult problems of difficult installation and dismantling of the stoplog door are solved, and meanwhile, the use and maintenance cost is reduced.
Finally, it should be noted that: in the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same; while the invention has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that: modifications may be made to the specific embodiments of the present invention or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the invention, it is intended to cover the scope of the invention as claimed.
Claims (7)
1. The utility model provides a ship lock overhauls mounting method of stoplog door, overhauls the stoplog door and includes a plurality of stoplog door monomers of piling up and placing from bottom to top, the stoplog door monomer includes facing water panel, stagnant water panel, roof, bottom plate and two curb plates, its inside cavity that forms, the free gravity of the stated stoplog is less than its buoyancy that receives in water, so as to make the stated stoplog door monomer float in water; the method is characterized by comprising the following steps of:
s1, preparing:
when the lock main body structure is constructed, a first embedded steel plate is respectively arranged on the side surface of each access door slot, which is contacted with the access stop-beam door, and a bottom embedded steel plate is arranged on the concrete bottom plate between the two access door slots;
s2, assembling and shipping the overhaul stoplog door:
plugging through holes and exhaust holes of the stoplog door monomers to enable the stoplog door monomers to be in a sealing state, stacking and combining a plurality of the stoplog door monomers up and down, connecting two adjacent stoplog door monomers up and down, assembling to form an overhaul stoplog door, floating the overhaul stoplog door on the water surface, transporting the overhaul stoplog door to an overhaul door slot position, lifting the overhaul stoplog door by a lifting appliance, and then opening the through holes and the exhaust holes of the uppermost-layer stoplog door monomers;
s3, overhauling landing beam door falling installation:
controlling a lifting appliance to lower the overhauling stoplog door, when the uppermost stoplog door monomer is lowered below the water surface, water enters the interior of the uppermost stoplog door monomer through a through hole of the uppermost stoplog door monomer, the stoplog door monomer slowly sinks until the uppermost stoplog door monomer is filled with water, the lowermost stoplog door monomer falls onto the bottom embedded steel plate, the uppermost stoplog door monomer is in a full-load water filling state, and the rest lower stoplog door monomers are in a sealed no-load state;
s4, fixing the overhaul stoplog door:
when the lowermost single body of the stop-beam door is in complete contact with the bottom embedded steel plate, limiting wedges are embedded in gaps between the water facing panel of each single body of the stop-beam door and the access door groove, so that second water stops at two sides of the single body of the stop-beam door are clung to the first embedded steel plate and are compressed, and then the exhaust holes of the single body of the stop-beam door at the uppermost layer are plugged;
s5, pumping water and overhauling:
pumping water from a water stopping surface of the inspection stop log door by using a water pump, discharging the water to the upstream surface until the water in the uppermost stop log door monomer is discharged from the through hole, and plugging the through hole of the uppermost stop log door monomer to perform lock inspection operation;
s6, removing the superimposed door monomer:
after the ship lock overhauls, installing a siphon on one side of the upstream surface, enabling external water to enter an overhauling area through the siphon until the water levels on two sides of the overhauling stop log door are the same, and starting from the uppermost stop log door monomer, splitting two adjacent overhauling stop log doors and dismantling limit wedges on two sides of the two adjacent stop log doors, and sequentially hoisting the stop log door monomers from top to bottom and transporting the stop log door monomers to a storage position;
when the number of the superimposed sheet door monomers included in the overhauling superimposed sheet door is greater than 3, in the step S2, the overhauling superimposed sheet door is hoisted through a lifting appliance, after the through hole and the vent hole of the uppermost superimposed sheet door monomer are opened, at least one underwater through hole of the superimposed sheet door monomer is also required to be opened, so that when the superimposed sheet door monomer falls in the step S3, the sinking of the upper superimposed sheet door monomer is realized, the uppermost superimposed sheet door monomer is in a full-load water state, the superimposed sheet door monomer of the lower layer with the through hole opened is water, the upper layer is residual gas which is not discharged, and the other superimposed sheet door monomers are in a sealed idle state.
2. The method for installing the lock access stop log door according to claim 1, wherein in the step S2, after the stop log door monomer is in a sealed state in the step S2, the stop log door monomer can be floated on the water surface, and respectively lifted and stacked one by a lifting appliance to form the access stop log door after being respectively lifted to the access gate slot position, and then the lifting appliance lifts the access stop log door, and then the through holes and the exhaust holes of the uppermost-layer stop log door monomer are opened.
3. The method for installing a lock access stop beam door according to claim 1, wherein a first water stop strip is arranged on the outer side of the bottom plate, extends along the length direction of the bottom plate, and has a length adapted to the length of the bottom plate, and is used for blocking water from entering an access area along the bottom plate;
second water stop strips are symmetrically arranged on two sides of the water stop panel in the access door groove, the second water stop strips are arranged in an extending mode along the height direction of the water stop panel, the height of the second water stop strips is matched with the height of the water stop panel, and the second water stop strips are used for preventing water from entering an access area from two sides of the door body along the upstream surface and the side plates;
the first water stop is connected with the second water stops at two sides, so that after each layer of stop-beam door monomer is installed, a closed water stop system is formed, and water is prevented from entering an overhaul area.
4. The method of installing a lock access stop log door according to claim 1, wherein,
a plurality of reinforcing rib plates are uniformly arranged in the cavity of the stop-beam door monomer and divide the cavity into a plurality of chambers, and the reinforcing rib plates are used for reinforcing the strength of the stop-beam door monomer;
and the top angle positions above and below the reinforced rib plates are provided with drainage air holes, so that water and air can be uniformly discharged into each cabin after water is fed, and stable sinking of the stop log door monomer is ensured.
5. The method of installing a lock access stop log door according to claim 1, wherein,
the through hole is arranged at the bottom of the water stop panel and is used for allowing external water to enter the cavity or discharging water in the cavity;
the gas in the cavity is discharged through the gas discharge holes when external water enters the cavity, so that the pressure inside and outside the cavity is balanced;
in step S3, water enters from the through hole of the single body of the stoplog door at the uppermost layer, and gas is discharged from the exhaust hole, so that the single body of the stoplog door at the uppermost layer is fully loaded.
6. The method for installing a lock access stop log door according to claim 1, wherein an access manhole is provided on the top plate, and the access manhole is closed by a flange plate.
7. The method for installing a lock access stop log door according to claim 1, wherein the water-facing surface plate comprises vertical plates parallel to the water-stop surface plate and inclined plates arranged on two sides of the vertical plates and forming an included angle with the vertical plates, the vertical plates are arranged to protrude from the two inclined plates, and the vertical plates and the inclined plates on two sides can further increase the water-facing area and reduce the impact pressure of water on the water-facing surface.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311503377.4A CN117230757B (en) | 2023-11-13 | 2023-11-13 | Method for installing lock overhaul stop log door |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311503377.4A CN117230757B (en) | 2023-11-13 | 2023-11-13 | Method for installing lock overhaul stop log door |
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| Publication Number | Publication Date |
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| CN117230757A CN117230757A (en) | 2023-12-15 |
| CN117230757B true CN117230757B (en) | 2024-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311503377.4A Active CN117230757B (en) | 2023-11-13 | 2023-11-13 | Method for installing lock overhaul stop log door |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1569500A (en) * | 1925-09-18 | 1926-01-12 | William Kennedy & Sons Ltd | Stoplog winch |
| CN203200722U (en) * | 2013-04-17 | 2013-09-18 | 安徽省交通勘察设计院有限公司 | Self-floating stoplog access door |
| CN208009375U (en) * | 2018-03-20 | 2018-10-26 | 中国水利水电第八工程局有限公司 | A kind of armored concrete Stoplog gate water-retaining structure |
| CN213867669U (en) * | 2020-11-30 | 2021-08-03 | 中国长江三峡集团有限公司 | Gate chamber drainage maintenance water retaining flushing stop log door |
| CN219825143U (en) * | 2023-04-14 | 2023-10-13 | 中国长江三峡集团有限公司 | Hinge type layered water taking stop log door device |
-
2023
- 2023-11-13 CN CN202311503377.4A patent/CN117230757B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1569500A (en) * | 1925-09-18 | 1926-01-12 | William Kennedy & Sons Ltd | Stoplog winch |
| CN203200722U (en) * | 2013-04-17 | 2013-09-18 | 安徽省交通勘察设计院有限公司 | Self-floating stoplog access door |
| CN208009375U (en) * | 2018-03-20 | 2018-10-26 | 中国水利水电第八工程局有限公司 | A kind of armored concrete Stoplog gate water-retaining structure |
| CN213867669U (en) * | 2020-11-30 | 2021-08-03 | 中国长江三峡集团有限公司 | Gate chamber drainage maintenance water retaining flushing stop log door |
| CN219825143U (en) * | 2023-04-14 | 2023-10-13 | 中国长江三峡集团有限公司 | Hinge type layered water taking stop log door device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117230757A (en) | 2023-12-15 |
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