CN113073617A - Spillway support-arm-free working arc door device and construction method - Google Patents
Spillway support-arm-free working arc door device and construction method Download PDFInfo
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- CN113073617A CN113073617A CN202110319085.XA CN202110319085A CN113073617A CN 113073617 A CN113073617 A CN 113073617A CN 202110319085 A CN202110319085 A CN 202110319085A CN 113073617 A CN113073617 A CN 113073617A
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- arc door
- rail
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
- E02B8/06—Spillways; Devices for dissipation of energy, e.g. for reducing eddies also for lock or dry-dock gates
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
- E02B8/04—Valves, slides, or the like; Arrangements therefor; Submerged sluice gates
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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
- 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
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- Mechanical Engineering (AREA)
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Abstract
The invention discloses a spillway support-arm-free working arc door device which comprises an arc door and a gate body positioned on two transverse sides of the arc door, wherein slide rails and opening and closing and control equipment are arranged on the inner walls of the two sides of the gate body, guide wheels matched with the slide rails are arranged on the two sides of the arc door, guide rails are arranged on the two sides of the arc door, and the arc door can be driven to ascend or descend along the inner wall of the gate body through the matching of a transmission gear of the opening and closing and control equipment and the guide rails. The invention has simple structure and convenient installation and maintenance: the arc door has greatly simplified structure after the support arm is eliminated, the workload of installation and maintenance is small, and the operation is convenient; the spillway gate pier is simple in structure after a bracket is omitted, construction procedures are reduced, and construction difficulty is reduced.
Description
Technical Field
The invention relates to the field of construction of a hydropower station spillway, in particular to a no-support-arm working arc door device of a spillway and a construction method.
Background
At present, the traditional structure and the construction process of the working arc door of the spillway of the hydropower station are as follows: firstly, performing first-stage gate pier reinforced concrete construction in a layering mode, simultaneously reserving second-stage concrete for embedding the gate rail, the support arm foundation and the hoist engine oil cylinder, then performing embedded part installation of the gate rail, the support arm foundation plate, the hoist engine oil cylinder and the like, subsequently performing second-stage concrete construction of the equipment, and finally performing installation of the gate leaf, the support arm and the oil cylinder. The traditional construction method, particularly the concrete construction process of the arc door support arm foundation, is more, the construction period is relatively longer, and the engineering cost is relatively higher. The following disadvantages and shortcomings mainly exist through analysis:
1. need set up the scaffold, manpower, material resources invest greatly: in the first-stage gate pier reinforced concrete construction, although the guide pier position where the arc gate door groove is located can be constructed by adopting a slip form, the foundation concrete (bracket) position where the arc gate support arm is located cannot be constructed by adopting forming processes such as the slip form and the like due to the fact that the arc gate support arm is protruded in size and complex in structure, a scaffold must be erected, the investment of human resources and material resources is large, and the engineering cost is increased.
2. The construction process is many, and construction speed is limited, and engineering cost is high: the first-stage gate pier reinforced concrete, the arc door rail, the support arm foundation, the hoist engine oil cylinder embedded part and the second-stage concrete construction are carried out, a concrete template needs to be erected, poured and detached for multiple times, the number of cross working faces is large, construction procedures are frequently alternated, the construction efficiency cannot be effectively improved, the construction time is long, and the construction cost is obviously increased.
3. The concrete is constructed layer by layer, and the construction quality control difficulty is large: although the guide pier position where the arc door groove is positioned can be constructed by adopting a slip form, the concrete (corbel) position of the arc door support arm can only adopt the traditional construction process, and the concrete construction process and the engineering quality can not be controlled very intuitively no matter the reverse mould or the template is adopted; the procedures of uniform warehousing, dense vibration, watering maintenance and the like in the implementation process have high requirements, construction joints can be generated without paying attention, and the quality is difficult to control effectively; meanwhile, the demoulding can be carried out only after the concrete pouring is finished and the construction defects can not be found at any time and processed in time in the construction process, so that the construction quality control difficulty is higher.
4. The construction procedure is complicated, and the safety risk of high-altitude and hoisting operation is high: the overflow spillway is large in overflow, the height of a gate pier is generally high, scaffolds are erected and dismantled, steel bar installation, arc door rails and support arm installation, frequent construction such as formwork erection and formwork removal of concrete, frequent high-altitude operation and frequent lifting operation, long-time occupation of lifting equipment is needed during installation and correction of the arc door support arm, safety protection and safety management are complex, and safety risk is high.
In summary, it is an urgent need to solve the problems of the engineering technicians in the field to provide a device and a method for quickly constructing spillway gate pier concrete and arc gate installation, which has a simple structure, convenient construction, controllable cost, simple process and capability of timely maintaining and repairing concrete construction defects.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to effectively solve the key problems in the construction process of the spillway concrete and the traditional construction method of the arc door, and provides the spillway gate pier concrete and the rapid construction method for the arc door installation, which have the advantages of simple structure, convenient construction, controllable cost, simple and convenient process and capability of timely maintaining and repairing the concrete construction defects. The basic idea is as follows: the spillway gate pier is formed in one step, arc gate support arms and support arm foundation (bracket) concrete are eliminated, and the arc gate operation adopts gear transmission.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention provides a spillway support-arm-free working arc door device which comprises an arc door and a gate body, wherein the gate body is positioned on two transverse sides of the arc door, slide rails and opening and closing and control equipment are arranged on the inner walls of the two sides of the gate body, guide wheels matched with the slide rails are arranged on the two sides of the arc door, guide rails are arranged on the two sides of the arc door, and the arc door can be driven to ascend or descend along the inner wall of the gate body through the matching of a transmission gear of the opening and closing and control equipment and the guide rails.
The essence of the invention is as follows: firstly, the support arm of the radial gate is cancelled, the support arm support is changed into the support of the radial gate panel, the support arm foundation (first-stage concrete and second-stage concrete) is cancelled, the special-shaped structure of the spillway gate pier is changed into a single structure, and the whole body can be constructed by adopting a slip form; secondly, the arc door support arm hydraulic opening and closing mode is changed into the opening and closing of a motor gear, and an opening and closing system and a control mode are optimized; thirdly, guide wheels on two side panels of the arc door are increased, the compression stroke is increased, the sealing performance of the arc door is guaranteed, and water leakage is guaranteed.
As a preferred technical solution of the present invention, the slide rail mainly comprises a side rail, and a reverse rail and a forward rail located on the left and right sides of the side rail, and the reverse rail and the forward rail are respectively adapted to guide wheels disposed on the upper and downstream sides of the arc door.
As a preferred technical scheme of the invention, a side water seal and a bottom water seal are respectively arranged in the door rails at the two sides and the bottom of the arc door, the side water seals adopt L-shaped water seals, and the bottom water seals adopt strip-shaped water seals.
As a preferred technical solution of the present invention, the opening and closing and control device mainly comprises an opening and closing device, a transmission gear and a control cabinet, and is configured in an opening and closing machine room.
As a preferable technical scheme of the invention, a compaction stroke is reserved in the door rail with the arc door opening degree within 50 percent.
As a preferred technical scheme of the invention, stroke transmitters are arranged on both sides of the arc door and are used for monitoring and correcting a gear transmission device.
As a preferred technical scheme of the invention, the cambered door panel is formed by welding a plurality of sections of door leaves, and the panel is formed by adopting a disposable rolling plate.
As a preferable technical scheme of the invention, a bottom sill matched with the bottom of the arc door is transversely arranged at the bottom of the water flow channel.
As a preferable technical scheme of the invention, the brake body is formed in one step by adopting slip form construction.
In a second aspect, the present invention further provides a construction method of the spillway no-support-arm working arc door device, wherein the construction method comprises the following steps:
s1, performing first-stage concrete pouring construction on the brake body by adopting a slip form process, and synchronously binding steel bars and sliding and lifting the slip form;
s2, respectively constructing a front rail, a back rail, a side rail, a bottom sill and an opening and closing machine room on the inner walls of the two sides of the gate body and the bottom of the water flow channel, adjusting and reinforcing after being hoisted in place by using an automobile crane or other hoisting equipment, and pouring secondary concrete;
s3, transferring the door leaves to an installation site section by section according to the size, installing the guide rail and the guide wheel, lifting the guide rail and the guide wheel section by section to be in place by lifting equipment and completing preassembly, and welding the welding seams among the sections after the inspection is qualified to ensure the welding quality;
s4, respectively hoisting the transmission gear, the opening and closing device and the control cabinet in place, adjusting the transmission gear and the arc door guide rail in place, and debugging opening, closing and control equipment after the stroke transmitter is installed;
and S5, installing a side water seal and a bottom water seal after the arc door is lifted by the opening and closing device, and performing subsequent debugging and commissioning after all water seals are installed.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. simple structure, installation and maintenance are convenient: the arc door has greatly simplified structure after the support arm is eliminated, the workload of installation and maintenance is small, and the operation is convenient; the spillway gate pier is simple in structure after a bracket is omitted, construction procedures are reduced, and construction difficulty is reduced.
2. Effectively improve construction speed: the gate pier is simple in structure and can be formed in one step by adopting a slip form process, so that the construction speed is greatly improved; the arc door structural component reduces, and hoist and mount work volume reduces, and the installation rate is fast.
3. Effectively improve construction quality: the concrete is constructed by adopting a slip form, the construction process is intuitive and controllable, the operation is convenient and easy to control, uniform warehousing and dense vibration can be fully ensured, the inherent quality of the concrete is facilitated, and no construction joint exists; the pouring quality of the concrete can be checked in time, and the surface defects can be treated in time, so that the surface quality and the attractive surface are ensured; the watering maintenance can be carried out timely, continuously and uniformly, and the concrete strength can be ensured.
4. Effectively reducing the construction safety risk: the bracket first-stage concrete and the bracket second-stage concrete in the traditional arc door structure are eliminated, repeated formwork erection and scaffold erection are not needed, the arc door structure is optimized, the lifting workload is reduced, and the safety risks in high-altitude and lifting operation are effectively reduced.
5. The engineering cost control is facilitated: after the gate pier and the arc door structure are simplified, more resource investment is saved, auxiliary links are reduced, labor organization is optimized, and engineering cost is controllable.
Drawings
FIG. 1 is a schematic diagram of an exemplary cross-sectional configuration of the present invention;
fig. 2 is a schematic plan view of the present invention.
Reference numerals: 1-a gate body; 2-positive rail; 3-reverse track; 4-side rails; 5-bottom sill; 6-opening and closing device; 7-leaf of the gate; 8-a guide rail; 9-a guide wheel; 10-a transmission gear; 11-a variable frequency motor; 12-a reducer; 13-a stroke sensor; 14-a control cabinet; 15-side water seal; 16-bottom water seal.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention, the following description of the preferred embodiments of the present invention is provided in conjunction with specific examples, but it should be understood that the drawings are for illustrative purposes only and should not be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
The invention will be further described with reference to the accompanying figures 1 and 2 and examples, but without limiting the invention thereto.
As shown in figures 1 and 2, the invention discloses a spillway support-arm-free working arc door device which mainly comprises a gate body 1, an arc door embedded part, a water seal device and opening, closing and control equipment.
Gate body 1 (concrete system): the gate body 1 is a foundation of a spillway working arc door and is also a main water retaining building, after the support arm-free working arc door is adopted, the body type of the gate body 1 is greatly simplified, the design structure is simple, the whole gate body 1 can be formed at one time by adopting a slip form construction process according to needs, the construction progress is accelerated, and meanwhile, the concrete forming quality can be ensured.
Arc door: the arc door is the core of no support arm arc door, and according to the drill way size of arc door, its panel adopts horizontal merogenesis structure, adopts welded connection between the festival, and the panel junction adopts the watertight to weld, and panel steel truss rigid structure supports, and the panel adopts disposable roll board shaping, confirms steel truss structure and panel thickness according to arc door working water head, guarantees to have sufficient intensity and rigidity.
Embedding the arc door: the arc door embedded part mainly comprises a front rail 2, a back rail 3, a side rail 4 and a sill 5.
A water seal device: the water seal device is the key of the failure of the radial gate system, the radial gate water seal comprises a side water seal 15 and a bottom water seal 16, the side water seal 15 adopts an L-shaped water seal and rubber and plastic composite water seal, and the bottom water seal 16 adopts a strip-shaped water seal; the arc door rail is arranged in to whole water seal arrangement equipartition, sets up leading wheel 9 at arc door panel upper and lower downstream side to reserve in the door rail that the arc door aperture is 50% scope and compress tightly the stroke, the stagnant water effect when guaranteeing the arc door and closing and the vibrations when avoiding the arc door part to open the operating mode.
Opening, closing and controlling equipment: the device mainly comprises an opening and closing device 6, a transmission gear 10 and a control cabinet 14, and the opening and closing and control equipment is arranged in an opening and closing machine room. The starting and stopping system is a power source of the arc door without a support arm, adopts a gear transmission mode, and is provided by a starting and stopping device 6 (comprising a variable frequency motor 11 and a matched speed reducer 12), so that the functions of starting and stopping the arc door by water movement and partially opening the arc door are ensured to be stable and reliable; the arc door is provided with a left travel transmitter and a right travel transmitter which monitor gear transmission devices at the left end and the right end of the arc door, has a synchronous deviation rectifying function, ensures the arc door to be opened and closed stably and reliably, the whole arc door opening and closing deviation rectifying system is automatically realized by adopting a Programmable Logic Controller (PLC) in an in-situ control unit (LCU), and the operation mode can be selected to be manually operated in situ, automatically operated in situ and remotely monitored according to requirements.
Based on the structure, the invention provides a construction method of a spillway support-arm-free working arc door device, which comprises the following steps:
1. and (3) concrete construction of the gate body 1: the structure of the brake body 1 is simple, in order to accelerate the construction progress, a slip form process can be adopted for construction, the binding of reinforcing steel bars and the slip form sliding lifting are carried out synchronously, and the smooth construction of the brake body 1 is ensured;
2. installing the arc door embedded part: hoisting basic embedded parts such as a front rail 2, a reverse rail 3, a side rail 4, a sill 5 and the like in place by a truck crane or other hoisting equipment, adjusting and reinforcing, and pouring second-stage concrete;
3. installing the arc door leaf 7: the door leaf 7 is transferred to an installation site section by section according to the size, the guide rail 8 and the guide wheel 9 are installed and then lifted in place section by the lifting equipment and preassembled, and the welding of the welding seams between the sections is carried out after the inspection is qualified, so that the welding quality is ensured;
4. opening, closing and controlling equipment installation: hoisting a transmission gear 10 and an opening and closing device 6 (comprising a variable frequency motor 11 and a speed reducer 12) in place, adjusting the transmission gear 10 and an arc door guide rail 8 in place, and debugging opening and closing and control equipment after a stroke transmitter (comprising a stroke sensor 13 and other monitoring elements) is installed;
5. installing a water seal device: the arc door is lifted by the opening and closing device 6, then the side water seal 15 and the bottom water seal 16 are installed, and after all the water seals are installed, subsequent debugging and test operation can be carried out.
The technical features (the components/elements of the invention) of the compression stroke and the stroke transmitter, etc. described in the present invention, if not specifically stated, are all obtained from conventional commercial sources or manufactured by conventional methods, and the specific structure, the operation principle, and the control mode and the spatial arrangement mode that may be involved are all conventional choices in the field, which should not be regarded as the innovation point of the present invention, and it is understood to those skilled in the art that the present invention is not further specifically described in detail.
According to the description and the drawings of the invention, a spillway arm-free working arc door device and a construction method of the spillway arm-free working arc door device can be easily manufactured or used by a person skilled in the art, and can generate the positive effects recorded by the invention.
Unless otherwise specified, in the present invention, if there is an orientation or positional relationship indicated by terms of "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are for illustrative purposes only, and should not be construed as limiting the present patent, specific meanings of the above terms can be understood by those of ordinary skill in the art in light of the specific circumstances in conjunction with the accompanying drawings.
Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass, for example, being fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are included in the scope of the present invention.
Claims (10)
1. The utility model provides a spillway does not have support arm work radial gate device which characterized in that: including the arc door and be located the floodgate body (1) of the horizontal both sides of arc door, all be provided with the slide rail on the floodgate body (1) both sides inner wall and open and close and controlgear, the arc door both sides all be provided with leading wheel (9) of slide rail looks adaptation, the arc door both sides all are provided with guide rail (8), the accessible thereby open and close and controlgear (10) of controlgear with thereby guide rail (8) cooperate and drive the arc door and rise or descend along floodgate body (1) inner wall.
2. The spillway boom-less work gate apparatus of claim 1, wherein: the slide rail mainly comprises a side rail (4), a reverse rail (3) and a forward rail (2), wherein the reverse rail (3) and the forward rail (2) are positioned on the left side and the right side of the side rail (4), and the reverse rail (3) and the forward rail (2) are respectively matched with guide wheels (9) arranged on the upper side and the lower side of the arc door.
3. The spillway boom-less work gate apparatus of claim 1, wherein: a side water seal (15) and a bottom water seal (16) are respectively arranged in the door rails on the two sides and the bottom of the arc door, the side water seal (15) is an L-shaped water seal, and the bottom water seal (16) is a strip-shaped water seal.
4. The spillway boom-less work gate apparatus of claim 1, wherein: the opening, closing and control equipment mainly comprises an opening and closing device (6), a transmission gear (10) and a control cabinet (14), and is arranged in an opening and closing machine room.
5. The spillway boom-less work gate apparatus of claim 1, wherein: and reserving a pressing stroke in the door rail with the arc door opening degree within the range of 50%.
6. The spillway boom-less work gate apparatus of claim 1, wherein: and stroke transmitters are arranged on two sides of the arc door and used for monitoring and correcting the gear transmission device.
7. The spillway boom-less work gate apparatus of claim 1, wherein: the cambered door panel is formed by welding a plurality of sections of door leaves (7), and the panel is formed by adopting a disposable rolling plate.
8. The spillway boom-less work gate apparatus of claim 1, wherein: and a bottom sill (5) matched with the bottom of the arc door is transversely arranged at the bottom of the water flow channel.
9. The spillway boom-less work gate apparatus of claim 1, wherein: the gate body (1) is formed in one step by adopting slip form construction.
10. A method of constructing a spillway boom-less working gate assembly, using a gate assembly as claimed in any one of claims 1 to 9, the method comprising the steps of:
s1, performing first-stage concrete pouring construction on the brake body (1) by adopting a slip form process, and synchronously performing reinforcement and slip form sliding;
s2, respectively constructing a front rail (2), a back rail (3), a side rail (4), a sill (5) and an opening and closing machine room on the inner walls of two sides of the brake body (1) and the bottom of the water flow channel, adjusting and reinforcing after being hoisted in place by using a truck crane or other hoisting equipment, and pouring secondary concrete;
s3, transferring the door leaf (7) to an installation site section by section according to the size, installing the guide rail (8) and the guide wheel (9), lifting the door leaf section by lifting equipment to be in place and completing preassembly, and welding internode welding seams after the door leaf is inspected to be qualified to ensure the welding quality;
s4, respectively hoisting the transmission gear (10), the opening and closing device (6) and the control cabinet (14) in place, adjusting the transmission gear (10) and the arc door guide rail (8) in place, and debugging opening, closing and control equipment after the stroke transmitter is installed;
s5, installing a side water seal (15) and a bottom water seal (16) after the arc door is lifted by the opening and closing device (6), and performing subsequent debugging and commissioning after all water seals are installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110319085.XA CN113073617B (en) | 2021-03-25 | 2021-03-25 | Spillway working arc door device without support arm and construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110319085.XA CN113073617B (en) | 2021-03-25 | 2021-03-25 | Spillway working arc door device without support arm and construction method |
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| CN113073617A true CN113073617A (en) | 2021-07-06 |
| CN113073617B CN113073617B (en) | 2023-05-05 |
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| CN113073617B (en) | 2023-05-05 |
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