CN114808868B - Rib panel few beam type steel gate leaf structure - Google Patents
Rib panel few beam type steel gate leaf structure Download PDFInfo
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- CN114808868B CN114808868B CN202210671116.2A CN202210671116A CN114808868B CN 114808868 B CN114808868 B CN 114808868B CN 202210671116 A CN202210671116 A CN 202210671116A CN 114808868 B CN114808868 B CN 114808868B
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Classifications
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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
- E02B7/26—Vertical-lift gates
- E02B7/34—Flash- boards for vertical-lift gates
-
- 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
- E02B7/26—Vertical-lift gates
- E02B7/30—Vertical-lift gates with guide wheels or rollers for the gates
-
- 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
- E02B7/26—Vertical-lift gates
- E02B7/36—Elevating mechanisms for vertical-lift gates
-
- 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
- E02B7/54—Sealings for gates
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The invention discloses a ribbed panel few-beam type steel gate door leaf structure which comprises a ribbed panel, a beam grid system, a walking support and water stopping, wherein the ribbed panel comprises a panel (1) and a plurality of ribs (21) fixed on the low water side of the panel (1), the ribs (21) are arranged from top to bottom on the low water side of the panel (1), and the ribs (21) are arranged at equal intervals on the low water side of the panel (1). The invention not only effectively improves the integral bending resistance of the panel, but also can replace the longitudinal and transverse secondary beams to disperse the horizontal load and directly transfer the horizontal load to the main beam. The rib type panel belongs to an orthotropic plate structure, rib type panels are adopted in the hydraulic steel gate leaf structure, beam grids can be simplified, different rib structures and rib distances are adopted according to the distance between main beams, the utilization rate of steel is improved, and the material consumption is saved. Meanwhile, a rib-shaped structure is adopted to optimize a beam grid system, so that the manufacturing of the steel gate leaves is facilitated.
Description
Technical Field
The invention relates to a gate leaf structure for a hydraulic engineering steel gate, in particular to a rib panel few beam type steel gate leaf structure, and belongs to the technical field of hydraulic engineering.
Background
The hydraulic engineering steel gate is used as a control structure of an orifice of a hydraulic building, has various functions and numerous doors, but the door leaf structure of the steel gate always adopts a force transmission system consisting of a panel, a longitudinal and transverse beam grid (called as a beam grid for short), a longitudinal and transverse coupling system (called as a coupling system for short) and a walking support, wherein the panel is a steel plate with equal thickness, the beam grid comprises a horizontal main beam, a secondary beam (comprising a horizontal secondary beam, a vertical secondary beam, a top beam and a bottom beam) and a vertical side beam, and the beam grid is a support system of the panel; the transverse connection system mainly plays roles of horizontally transferring force and enhancing the rigidity of the transverse vertical plane, and the vertical connection system mainly plays roles of vertically transferring force and enhancing the rigidity of the longitudinal vertical plane. The water pressure transmitted by the panel is transmitted to the secondary beam, the main beam and the side beam in sequence through the beam lattice, and finally transmitted to the gate pier through the travelling device.
The steel gate leaf structure is relatively complex, so that the design is complex and the manufacture is difficult. In design, the panel, the secondary beam, the main beam, the side beam and the roller are usually calculated according to the force transmission sequence, and the mutual influence is considered in the calculation, so that the calculation workload is high; in the manufacturing process, the cross beam grids are welded and formed firstly, then the connecting welding seams between the web plates and the panels of the beam grids are welded, the number of the welding seams is large, the welding difficulty is large, and the manufacturing period is long. Because the whole bending resistance of the plane steel plate is adopted, the total steel consumption of the gate is large, and the opening force of the hoist is large.
Disclosure of Invention
The invention aims to solve the problems of relatively complex structure, high welding difficulty, high steel consumption of a gate and the like of the existing hydraulic steel gate leaf beam grid, and provides a rib panel beam-type steel gate leaf structure with relatively simple beam grid structure, relatively simple force transmission, low welding difficulty and steel consumption saving of the gate.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a ribbed panel few beam type steel gate leaf structure comprises a ribbed panel, a beam grid system, a walking support and water stopping,
the ribbed panel includes a panel and a plurality of ribs secured to a low water side of the panel.
Further, each rib is disposed top-down on the low water side of the panel.
Further, the plurality of ribs are equally spaced on the low water side of the panel.
Further, the ribs are open ribs or closed ribs.
Further, the opening rib comprises a straight rib and a T-shaped rib, and the closed rib comprises a V-shaped rib and a U-shaped rib.
Further, the beam grid system comprises a horizontal main beam, a top beam, a bottom beam and side beams.
Further, the grid system does not include horizontal and vertical secondary beams.
Further, when the horizontal main beams, the top beams and the bottom beams of the beam grid system are manufactured, holes are reserved in the corresponding positions of the web plates according to the intervals, the shapes and the sizes of the ribs, the ribs are prevented from being broken, and the ribs penetrate through the holes and are welded with the corresponding beams.
Further, the walking support comprises a main roller and side rollers positioned at two sides of the panel.
Further, the plurality of ribs are welded and fixed with the panel
Compared with the prior art, the invention has the following beneficial effects:
1. the gate leaf structure is succinct: the ribbed panel few beam type steel gate leaf structure adopts ribbed panels with strong bearing capacity and high bending rigidity to replace horizontal secondary beams and vertical secondary beams, and simplifies the beam lattice structure.
2. Horizontal load transfer is even: the rib-shaped panel few-beam steel gate leaf structure transmits horizontal load to the main beam uniformly through the rib-shaped panel, so that the main beam is subjected to the action similar to uniform load, and under the same condition, the main beam material utilization rate is high and the deformation is small.
3. Manufacturing is simple and welding is convenient: the rib-shaped panels of the rib-shaped panel few-beam type steel gate leaf structure are arranged at equal intervals, and a standardized welding process can be adopted. The beam lattice structure eliminates the horizontal secondary beams and the vertical secondary beams, reduces nonstandard welding, and is simple to manufacture and convenient to weld.
4. The steel amount for the door leaf body is reduced: under the condition that horizontal bearing is not reduced, the rib-shaped panel few-beam steel gate leaf structure reduces the thickness of the panel due to large bending modulus of the rib-shaped panel, cancels horizontal secondary beams and vertical secondary beams, and has high utilization rate of evenly stressed materials of the main beam, so that the total steel consumption is reduced, and the method is economical and reasonable.
5. The capacity of the gate hoist is small: the steel gate has simplified leaf structure, less steel consumption and light weight, so that the hoist has small capacity.
Drawings
FIG. 1 is an upstream elevation and a downstream elevation of a portion of a steel gate of a prior art panel grid system.
FIG. 2 is a top view and a plan sectional view of a prior art panel grid system steel gate A-A.
Fig. 3 is a sectional view taken along the direction B-B in fig. 1.
Fig. 4 is a cross-sectional view taken along the direction C-C in fig. 1.
Fig. 5 is a sectional view taken along the direction D-D in fig. 1.
FIG. 6 is an upstream elevation and a downstream elevation of the U-ribbed panel beam-less steel gate of the present invention.
FIG. 7 is a top and plan sectional view of the U-ribbed panel beam-less steel gate A-A of the invention,
fig. 8 is a sectional view taken along the direction B-B in fig. 6.
Fig. 9 is a cross-sectional view taken along the direction C-C in fig. 6.
Fig. 10 is a sectional view taken along the direction D-D in fig. 6.
In the figure: 1-panel, 2-horizontal secondary beam, 3-main beam web, 4-main beam lower flange, 5-main beam web, 6-main beam lower flange, 7-bottom beam, 8-outer beam web, 9-outer beam lower flange, 10-inner beam web, the system comprises an 11-inner side beam lower flange, a 12-transverse connection system, a 13-longitudinal connection system, a 14-vertical secondary beam web, a 15-vertical secondary beam lower flange, a 16-diagonal bar, a 17-main roller, 18-side rollers, 19-lifting lugs, 20-water stop and 21-ribs.
Detailed Description
In the description of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify 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 therefore should not be construed as limiting the present invention. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Fig. 1-5 are schematic views of a steel gate of a prior panel beam grid system, which mainly comprise panels, main beams, secondary beams (horizontal secondary beams, vertical secondary beams, top beams and bottom beams) and side beams, space coupling systems, walking supports (rollers), lifting lugs and water stopping components.
In fig. 1-5: the water-stopping device comprises a 1-panel, a 2-horizontal secondary beam, a 3-main beam web, a 4-main beam lower flange, a 5-main beam web, a 6-main beam lower flange, a 7-bottom beam, an 8-outer beam web, a 9-outer beam lower flange, a 10-inner beam web, a 11-inner beam lower flange, a 12-transverse coupling system, a 13-longitudinal coupling system, a 14-vertical secondary beam web, a 15-vertical secondary beam lower flange, a 16-diagonal bar, a 17-main roller, 18-side rollers, 19-lifting lugs and 20-water-stopping. In fig. 1, the left and right parts of the steel gate of the prior panel beam grid system respectively show a downstream vertical view and an upstream vertical view, and the gate configuration is respectively shown from the upstream side and the downstream side.
Referring to fig. 6-10, the invention relates to a rib-shaped panel few-beam type steel gate leaf structure, which comprises a rib-shaped panel, a beam grid system, a walking support and water stopping,
the ribbed panel comprises a panel 1 and a plurality of ribs 21 fixed to the low water side of the panel 1.
Preferably, each rib 21 is arranged from top to bottom on the low water side of the panel 1.
Preferably, the plurality of ribs 21 are equally spaced on the low water side of the panel 1. The rigidity and the bearing performance of the orthotropic rib panel structure in the vertical and horizontal orthogonal directions are different, and the rigidity and the bearing capacity in the horizontal and vertical directions are larger.
Preferably, the ribs 21 are open ribs or closed ribs depending on the support span and load characteristics of the panel.
Preferably, the opening rib comprises a straight rib and a T-shaped rib, and the closed rib comprises a V-shaped rib and a U-shaped rib. The ribs can take various rib shapes, and the structure is formed and arranged by taking the U-shaped rib panel plane steel gate leaf structure as an example in the drawing.
Preferably, the lattice system is a few beam structure including horizontal main beams, top beams, bottom beams, side beams and necessary space ties. According to the horizontal arrangement of the main beams, the ribs of the rib-shaped panels are arranged vertically, the main beams are arranged at equal load intervals, the ribs of the rib-shaped panels are arranged at equal intervals, and standardized manufacturing of the rib-shaped panels is facilitated. The rib panel not only can be used as the upper flange of the beam, but also can play a part of space connection system, so that the relative positions of the bottom, top cross beams and main beams in the gate space are ensured, and the rigidity of the door leaf structure in the transverse vertical plane and the longitudinal vertical plane is enhanced.
Preferably, the grid system does not comprise horizontal and vertical sub-beams. Because the rib-shaped orthotropic plates with higher rigidity and higher bearing capacity are adopted, the horizontal secondary beams and the vertical secondary beams are omitted, the water pressure is directly transmitted to the main beams through the rib-shaped orthotropic plates, the main beams transmit the water pressure to the side beams on two sides of the door leaf, the side beams transmit the water pressure to the rollers, and finally, all the water pressure is transmitted to the gate pier through the rollers.
Preferably, when the horizontal main beams, the top beams and the bottom beams of the beam grid system are manufactured, holes are reserved in the corresponding positions of the webs according to the spacing, the shape and the size of the ribs 21, so that the ribs 21 are ensured not to break, and the ribs 21 pass through the holes and are welded with the corresponding beams.
Preferably, the walking support comprises a main roller 17 and side rollers 18 located on both sides of the panel 1.
Preferably, the plurality of ribs 21 are welded to the panel 1.
Further, if the steel gate is a down-the-hole ribbed panel few beam type steel gate, the top and bottom ribbed holes should be sealed by steel plates to prevent water filling.
Further, part of the space coupling system is added, the rigidity of the door leaf structure in the transverse vertical plane and the longitudinal vertical plane is enhanced, and the longitudinal coupling system also plays a role in transmitting the vertical load of the gate.
A related description of the design, implementation and demonstration of the inventive arrangements is given below.
Design and calculation
Step 1: firstly, the arrangement design of the rib-shaped panel few-beam steel gate leaf structure is carried out. According to the size of the orifice of the steel gate, the water retaining height and the water head, arranging main beams, top beams, bottom beams and side beams, and carrying out rib shape selection and pitch initialization of rib-shaped panels. The main beams generally adopt an equal load principle to determine the spacing, and the ribs of the rib-shaped panel adopt equal spacing.
Step 2: and determining the calculation flow of the rib panel few beam type steel gate leaf structure. The rib panel few beam type steel gate leaf structure has definite force transmission, short force transmission path, horizontal load, rib panel, main beam (containing top beam and bottom beam), inner side beam, outer side beam, roller, gate pier, and the sequence of the calculation components is determined according to the force transmission path: first ribbed panel, then main beam (including top beam and bottom beam), then inner/outer edge beam, and finally roller.
Step 3: the rib-shaped panel is an orthotropic plate, and the displacement, the internal force and the stress of the plate are calculated by adopting a formula 1, a formula 2 and a formula 3 respectively:
equation 1:
wherein:
D x -bending stiffness perpendicular to the rib direction;
D y -bending stiffness in the rib direction;
h-torsional stiffness;
w-displacement perpendicular to the direction of the ribbed panel;
q (x, y) -orthotropic plate face load;
E x -elastic modulus in x-direction;
E y -modulus of elasticity in the y direction;
G xy -shear modulus;
D k -shear stiffness;
μ x poisson's ratio in x-direction;
μ y poisson's ratio in y direction;
t-orthotropic plate thickness.
Equation 2:
equation 3:
step 4: and (3) calculating a main beam:
the calculation width is determined according to the design Specification of Steel Gate of Water conservancy and hydropower engineering (SL 74) by considering the rib type panel as the flange of the girder, and the flexural section modulus W of the girder Main girder The calculation is to consider the comprehensive effect of the rib-shaped panel flange, and calculate the maximum bending moment M of the main beam according to the load distribution and the size max Checking and calculating the bearing capacity M of the main beam max /W Main girder Whether or not it is smaller than the allowable stress [ sigma ]]。
Step 5: edge beam calculation:
and calculating and rechecking the bearing capacity of the edge beam of the conventional steel gate.
Step 6: roller calculation:
and calculating and rechecking the bearing capacity of the steel gate roller according to the conventional steel gate roller.
Step 7: the design of the connection system is as follows:
the design of the space connection system is carried out, and the vertical load bearing capacity of the vertical connection system is rechecked.
Manufacturing and mounting
Step 1: and blanking the panel and the rib according to the designed relevant size, and connecting the panel and the rib by adopting a standardized welding process according to the rib spacing and the positioning, so that the panel and the rib form a rib-shaped panel structure.
Step 2: and blanking the main beams, the top (bottom) beams, the side beams and the space coupling system according to the designed relevant sizes, and welding the main beams, the top (bottom) beams, the side beams and the space coupling system into a beam grid (including the coupling system) whole.
Step 3: the ribbed panel and the lattice (including the tie) are welded into a unitary structure.
Step 4: and welding lifting lugs, assembling main rollers, and installing water stopping pieces to form a door leaf integral structure.
In conclusion, the invention effectively overcomes the defects of the existing steel gate leaf structure of the panel beam grid system and has higher scientific research and application values. The invention not only effectively improves the integral bending resistance of the panel, but also can replace the longitudinal and transverse secondary beams to disperse the horizontal load and directly transfer the horizontal load to the main beam. The rib type panel belongs to an orthotropic plate structure, rib type panels are adopted in the hydraulic steel gate leaf structure, beam grids can be simplified, different rib structures and rib distances are adopted according to the distance between main beams, the utilization rate of steel is improved, and the material consumption is saved. Meanwhile, a rib-shaped structure is adopted to optimize a beam grid system, so that the manufacturing of the steel gate leaves is facilitated.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a rib shape panel few beam type steel gate door leaf structure, includes rib shape panel, beam grid system, walking support and stagnant water, its characterized in that:
the rib-shaped panel comprises a panel (1) and a plurality of ribs (21) fixed on the low water side of the panel (1);
each rib (21) is arranged from top to bottom on the low water side of the panel (1); the ribs (21) are welded and fixed with the panel (1);
the beam grid system does not comprise horizontal secondary beams and vertical secondary beams;
when the horizontal main beams, the top beams and the bottom beams of the beam grid system are manufactured, holes are reserved at corresponding positions of the web plates according to the intervals, the shapes and the sizes of the ribs (21), so that the ribs (21) are not broken, and the ribs (21) penetrate through the holes and are welded with the corresponding beams;
the design and calculation process of the rib-shaped panel few-beam steel gate leaf structure comprises the following steps:
step 1: firstly, the arrangement design of a ribbed panel few beam type steel gate leaf structure is carried out: according to the size of the orifice of the steel gate, the water retaining height and the water head, arranging a main beam, a top beam, a bottom beam and side beams, selecting rib shapes of rib-shaped panels and initializing the spacing, wherein the main beam adopts an equal load principle to determine the spacing, and the ribs of the rib-shaped panels adopt equal spacing;
step 2: determining the calculation flow of a rib panel few beam type steel gate leaf structure: the rib panel few beam type steel gate leaf structure has definite force transmission, short force transmission path, horizontal load, rib panel, main beam, inner and outer side beams, idler wheels and gate pier, wherein the main beam comprises a top beam and a bottom beam, and the sequence of calculating components is determined according to the force transmission path: rib-shaped panel, girder, inner/outer side beam, and roller;
step 3: the rib-shaped panel is an orthotropic plate, and the displacement, the internal force and the stress of the plate are calculated by adopting a formula 1, a formula 2 and a formula 3 respectively:
equation 1:wherein:
D x -bending stiffness perpendicular to the rib direction;
D y -bending stiffness in the rib direction;
h-torsional stiffness;
w-displacement perpendicular to the direction of the ribbed panel;
q (x, y) -orthotropic plate face load;
E x -elastic modulus in x-direction;
E y -modulus of elasticity in the y direction;
G xy -shear modulus;
D k -shear stiffness;
μ x poisson's ratio in x-direction;
μ y poisson's ratio in y direction;
t-orthotropic plate thickness;
equation 2:
equation 3:
step 4: calculating the width of the ribbed panel and the bending-resistant section modulus W of the main beam Main girder Calculating and considering the comprehensive effect of the rib-shaped panel flange, and calculating the maximum bending moment M of the main beam according to load distribution and size max Checking and calculating the bearing capacity M of the main beam max /W Main girder Whether or not it is smaller than the allowable stress [ sigma ]]Then calculating edge beams, calculating rollers, designing a space coupling system, and rechecking the vertical load bearing capacity of the vertical coupling system.
2. The ribbed panel beam-less steel gate leaf structure of claim 1, wherein: the plurality of ribs (21) are arranged at equal intervals on the low water side of the panel (1).
3. The ribbed panel beam-less steel gate leaf structure of claim 2, wherein: the rib (21) is an open rib or a closed rib.
4. A ribbed panel beam-less steel gate leaf structure according to claim 3, characterized in that: the opening rib comprises a straight rib and a T-shaped rib, and the closed rib comprises a V-shaped rib and a U-shaped rib.
5. The ribbed panel beam-less steel gate leaf structure of any one of claims 1-4, wherein: the beam grid system comprises a horizontal main beam, a top beam, a bottom beam and side beams.
6. The ribbed panel beam-less steel gate leaf structure of claim 5, wherein: the walking support comprises a main roller (17) and side rollers (18) which are positioned on two sides of the panel (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210671116.2A CN114808868B (en) | 2022-06-15 | 2022-06-15 | Rib panel few beam type steel gate leaf structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210671116.2A CN114808868B (en) | 2022-06-15 | 2022-06-15 | Rib panel few beam type steel gate leaf structure |
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| CN114808868B true CN114808868B (en) | 2023-09-29 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201151903Y (en) * | 2007-11-28 | 2008-11-19 | 刘继荣 | Plastic-steel sluice |
| CA2639701A1 (en) * | 2007-09-21 | 2009-03-21 | Groupe Canam Inc. | Bridge deck panel |
| CN207314290U (en) * | 2017-10-10 | 2018-05-04 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of full water column steel-slag sand log type gate leaf of down-the-hole plane |
| CN212103940U (en) * | 2020-04-07 | 2020-12-08 | 南水北调东线江苏水源有限责任公司 | Novel two-way manger plate plane steel gate door leaf |
-
2022
- 2022-06-15 CN CN202210671116.2A patent/CN114808868B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2639701A1 (en) * | 2007-09-21 | 2009-03-21 | Groupe Canam Inc. | Bridge deck panel |
| CN201151903Y (en) * | 2007-11-28 | 2008-11-19 | 刘继荣 | Plastic-steel sluice |
| CN207314290U (en) * | 2017-10-10 | 2018-05-04 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of full water column steel-slag sand log type gate leaf of down-the-hole plane |
| CN212103940U (en) * | 2020-04-07 | 2020-12-08 | 南水北调东线江苏水源有限责任公司 | Novel two-way manger plate plane steel gate door leaf |
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