WO2024021388A1 - Comprehensive operation trolley for construction of air-cushion surge chamber of hydropower station, and using method thereof - Google Patents

Comprehensive operation trolley for construction of air-cushion surge chamber of hydropower station, and using method thereof Download PDF

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Publication number
WO2024021388A1
WO2024021388A1 PCT/CN2022/133600 CN2022133600W WO2024021388A1 WO 2024021388 A1 WO2024021388 A1 WO 2024021388A1 CN 2022133600 W CN2022133600 W CN 2022133600W WO 2024021388 A1 WO2024021388 A1 WO 2024021388A1
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Prior art keywords
construction
air
arch
sliding form
concrete
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PCT/CN2022/133600
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French (fr)
Chinese (zh)
Inventor
姜守国
王宗敏
陈帅
祁雪春
王晓东
苏维远
周德志
赵东波
孙建斌
徐伟杰
佘伟威
周泽沛
徐枫
王正辉
秦明永
李鹏宇
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中国水利电力对外有限公司
中国水利水电第六工程局有限公司
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Publication of WO2024021388A1 publication Critical patent/WO2024021388A1/en

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    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/04—Lining with building materials
    • E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
    • E21D11/102—Removable shuttering; Bearing or supporting devices therefor
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/04—Lining with building materials
    • E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
    • E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
    • 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

Definitions

  • the invention relates to the field of underground engineering construction of hydropower stations, and in particular to an air-cushion type pressure regulating chamber of a hydropower station that can satisfy multiple processes such as excavation support, flat pressure system installation, steel bar binding, air-locking steel plate installation, concrete lining, grouting and other processes during the construction process.
  • Comprehensive function work trolley and its use method such as excavation support, flat pressure system installation, steel bar binding, air-locking steel plate installation, concrete lining, grouting and other processes during the construction process.
  • the air-cushion pressure regulating chamber of a hydropower station is designed to have a large cross-section and a very complex structure. It is usually designed as a composite cave wall structure such as anchor mesh shotcrete support, flat pressure system, reinforced concrete outer wall, steel plate air-locking, reinforced concrete inner wall, as well as backfilling, consolidation, and contact grouting; the technical quality requirements are strict, the construction technology is complex, and the construction procedures are cumbersome. Often one of the key lines in hydropower station construction
  • the traditional method of operation is to use different forms of work benches or frequently set up scaffolding according to different construction processes during excavation support, installation of flat pressure systems, installation of air-locked steel plates, steel bar binding, concrete lining, grouting, etc.
  • Working platform to meet the construction needs of each process is more flexible to use, the existing problems are also very prominent, mainly manifested in:
  • the design provides a method that can not only meet the needs of excavation support and flat compression system installation, but also can be used as steel bar binding and air-locking steel plate installation; it can not only meet the requirements of side wall concrete slip form, but also meet the needs of flat compression system installation.
  • the multifunctional comprehensive operation trolley for the concrete lining of the roof arch which can also be used for the construction of air cushion pressure regulating chambers such as consolidation, backfilling, and contact grouting, has become an urgent problem for those skilled in the field to solve.
  • the object of the present invention is to provide a comprehensive work trolley for the construction of air cushion pressure regulating chambers in hydropower stations and a method of using the same.
  • This work trolley can effectively solve the common performance differences of the work benches in the construction process of the existing air cushion type pressure regulating chambers. , heavy investment in safety technical measures, long process conversion time, high construction costs, high safety risks, difficult quality control, restricted construction period and other key issues, the design provides a simple structure, flexible and convenient, safe and reliable, can be used in turnaround and can meet the needs of construction.
  • a multi-functional comprehensive operating trolley required by different operating procedures in the process.
  • a comprehensive operation trolley for the construction of air cushion type pressure regulating chamber of a hydropower station which includes a bench system for supporting the entire trolley; the bottom of the bench system It is equipped with a translation system for driving it to move along the pressure regulating chamber; the top of the platform system is provided with a top arch system for assisting in the construction of the pressure regulating chamber vault; both sides of the platform system are symmetrical Multiple sets of sliding form systems are arranged for lining the side walls of the pressure regulating chamber; multiple sets of lifting systems are provided on both sides of the platform system for lifting operations; the translation system, the top arch system and the sliding formwork are arranged The system is connected to a hydraulic system that controls its movements.
  • the gantry system includes multiple groups of truss columns; two adjacent groups of truss columns are fixedly connected by a top truss and a middle truss, and form a portal structure; multiple groups of portal structures are connected by a top transverse truss and a middle transverse truss. Fixedly connected; the portal structures are supported and connected by truss diagonal braces.
  • the length of the gantry system is determined based on the length of the air conditioning chamber, the location of the seams and the length of the steel bars.
  • the length is 6 to 10 m, and is assembled into a rigid whole using a 3-5 frame door frame structure.
  • the translation system includes a track bottom plate anchored by anchor bolts.
  • the track bottom plate is supported on the bottom foundation of the pressure regulating chamber.
  • a track is fixed on the top of the track bottom plate.
  • the track and the track wheel installed at the bottom of the truss column of the platform system form a rolling motion.
  • the track wheels are connected to the hydraulic rail climber used to drive it to move along the track; when the platform system needs to move, the front end of the hydraulic rail climber is stuck on the track and pulls the platform system to move horizontally.
  • the top arch system includes racks processed according to the lining section of the inner wall of the arch.
  • the racks are connected with support rods to form a rigid arch body.
  • the rigid arch body is supported as a whole on the tops of multiple groups of large-stroke hydraulic jacks.
  • the jack is supported at the top of the bench system to meet the requirements of flat compression system layout, steel bar tying, air-locking steel plate installation, and grouting processes.
  • the sliding form system includes a sliding form climbing rod fixed vertically between the gantry structure of the gantry system and the bottom foundation of the pressure regulating chamber.
  • the sliding form climbing rod is equipped with a side wall sliding form through a sliding form jack.
  • a demoulding jack is provided between the wall sliding form and the truss column of the platform system, and a side wall formwork for side wall pouring is provided on the outer wall of the side wall sliding form.
  • the side wall sliding form adopts a light truss structure, with a cross-sectional size of 1.2-1.5m, and the length of the side wall sliding form is consistent with the length of the bench system; the vertical surfaces of the light truss structure are assembled into formwork with ordinary steel formwork to meet the needs of side walls and ends.
  • the wall slip form requires that the concrete slip form construction of the side wall be completed in sections; reticulated steel plates or wooden boards are laid flat on the light truss structure as a working platform; railings are set up on the free surface and safety nets are hung to ensure the safety of the operation.
  • the lifting system includes a lifting hoist fixed on the gantry structure of the platform system, and the lifting hoist is wound with a lifting hoist wire rope.
  • the hydraulic system is connected to the hydraulic rail climber of the translation system and realizes the translation of the trolley into position; the hydraulic system is connected to the large-stroke hydraulic jack of the roof arch system to realize the installation support of the roof arch air-locking steel plate and the support and detachment of the concrete inner wall lining.
  • Formwork function the hydraulic system is connected to the sliding form jack of the sliding form system to implement tension and compression combined with suspended sliding formwork; the hydraulic system is connected to the demoulding jack of the sliding form system to realize demoulding of the side wall formwork.
  • the method of using the comprehensive operation trolley for the construction of air-cushion surge chambers in hydropower stations includes the following steps:
  • Step 1 system manufacturing:
  • the platform system, roof arch system and sliding form system of the trolley will be manufactured in parts in the steel structure workshop, and pre-assembly and system testing will be carried out. After acceptance, they will be disassembled and transported after numbering;
  • Step 3 installation of outer steel bars:
  • the lifting system is used to complete the placement, welding and reinforcement of the air-locked steel plates to the outer steel bars using tie bars;
  • the sliding form system is used to firmly support the platform system to resist the lateral pressure of the concrete and ensure that the air-locked steel plates do not deform when backfilling concrete;
  • the lifting system and the top arch system are used to complete the installation, welding, support and fixation of the top arch air-locking steel plates;
  • Step 6 exterior wall concrete lining:
  • Step 7 backfill grouting for the top arch of the outer wall:
  • top arch backfill concrete After the top arch backfill concrete is completed and strengthened, the top arch system is used as a working platform to perform top arch backfill grouting;
  • Step 8 installation of inner steel bars:
  • the sliding form system and roof arch system are used as the working platform, and the steel bars of the side walls, end walls, and vaults are tied in place at one time, and are firmly connected to the air-locking steel plates through tie bars;
  • Step 9 inner wall concrete lining:
  • the side walls are lined in sections using tension and compression combined with suspended slip form technology, and the top arch concrete is lined in sections using the top arch system to lag the side walls; Step 10, top arch grouting of the inner wall:
  • the roof arch system is used as a working platform to carry out roof arch backfill grouting and contact grouting.
  • the trolley of the present invention can realize that the steel bar binding is completed once, the flat pressing system is laid out once, and the air-locking steel plate is installed in layers relying on the sliding form and the platform for support. The construction accuracy and construction quality are guaranteed.
  • the side wall of the present invention adopts tension-compression combined with suspended sliding form construction, which can effectively avoid the shortcomings of the concrete lining of the full-section steel formwork trolley.
  • the concrete construction process is intuitively visible, and can achieve layered silos, uniform leveling, and compaction. Vibration is guaranteed, defects can be eliminated and maintained in time, which is beneficial to concrete quality control.
  • the trolley of the present invention has multi-functionality. It can be used not only for anchor shot blasting support, steel bar binding, flat pressure system installation, air-locking steel plate installation, grouting and other construction operations, but also for side wall sliding formwork and roof arch lining operations.
  • the trolleys and trolleys are used comprehensively, the facilities are fully utilized, the process conversion is quick, the construction progress is guaranteed, which is conducive to the construction period and can effectively reduce the project cost.
  • the trolley of the present invention has a fully enclosed structure, and the multi-type and multi-process three-dimensional cross-parallel operations are relatively independent, which reduces the cumbersome scaffolding installation and disassembly process, reduces many safety hazards, and ensures safe construction.
  • the trolley of the present invention adopts the rail wheel type and is pulled by a hydraulic rail climber. It can be moved to the next warehouse number for construction in a faster time, which is convenient and fast, and is conducive to the rapid conversion of the process.
  • Figure 1 is a cross-sectional schematic diagram of the comprehensive operation platform
  • Figure 2 is a schematic diagram of the longitudinal section of the comprehensive operation platform.
  • Bench system 1 sliding form system 2, roof arch system 3, lifting system 4, hydraulic system 5, translation system 6, circumferential flat pressure pipe 7, concrete structure outer edge 8, concrete structure inner edge 9, spray protection Concrete layer 10, outer steel bar 11, inner steel bar 12, air-locking steel plate 13, longitudinal flat pressure pipe 14, system flat pressure hole 15, system anchor 16, excavation outer contour 17, backfill grouting on the inside of the air-locking steel plate 18, air-locking Backfill grouting 19 and pressure regulating chamber 20 on the outside of the steel plate;
  • Demolding jack 201 side wall sliding form 202, sliding form jack 203, sliding form climbing rod 204, side wall formwork 205;
  • Track 601 track bottom plate 602, anchor bolt 603, hydraulic rail climber 604, track wheel 605;
  • the main design methods of the present invention are:
  • a set of bench-type side wall sliding formwork and top arch lining trolleys are designed and manufactured to meet the requirements of steel bar installation, concrete lining and backfilling of the inner wall side walls, end walls and top arches. Consolidation, contact grouting required.
  • the side wall sliding form is used as a lifting working platform, combined with the lifting system to complete the binding of the outer steel bars and the installation of the flat pressing system.
  • the side wall sliding form is used as a lifting platform, and the lifting system is used to complete the lifting, positioning, welding, flaw detection, reinforcement, etc.
  • the sliding form and trolley are used to support the air-locked steel plate as a template to complete the outer wall concrete backfill in layers.
  • the roof arch trolley is used as a support to complete the installation of the air-sealing steel plate at the arch and the backfill concrete construction of the outer wall of the roof arch.
  • the manual drilling and blasting method is used for excavation, it can also be used as an operation platform for excavation support.
  • a comprehensive operation trolley for the construction of an air-cushion pressure regulating chamber in a hydropower station includes a bench system 1 for supporting the entire trolley; the bottom of the bench system 1 is equipped with a device for driving it along the The translation system 6 for moving the pressure regulating chamber 20; the top of the platform system 1 is provided with a top arch system 3 for assisting in the construction of the vault of the pressure regulating chamber 20; the two outer sides of the platform system 1 are symmetrically arranged with Multiple sets of sliding form systems 2 for lining the inner wall of the pressure regulating chamber 20; multiple sets of lifting systems 4 for lifting operations are provided on both sides of the platform system 1; the translation system 6 and the top arch system 3 and the sliding form system 2 are connected to the hydraulic system 5 used to control its action.
  • the use of the above-mentioned trolley effectively solves the common problems of the above-mentioned existing work benches in the construction process of the air-cushion pressure regulating chamber: poor general performance, heavy investment in safety technology measures, long process conversion time, high construction cost, high safety risks, and quality control. Difficulties, restricted construction period and other key issues. It is a multi-functional comprehensive operation trolley with a simple structure, flexibility and convenience, safety and reliability, can be used in turnaround and can meet the requirements of different operating procedures during the construction process.
  • the gantry system 1 includes multiple groups of truss columns 102; two adjacent groups of truss columns 102 are fixedly connected through the top truss 101 and the middle truss 104, and form a portal structure 107; multiple sets of portal structures 107 They are fixedly connected by the top transverse truss 105 and the middle transverse truss 106; the portal structures 107 are supported and connected by the truss diagonal braces 103.
  • the bench system is the skeleton of the comprehensive operation trolley and must have sufficient strength and rigidity. Generally, steel is processed into a portal frame or truss style to facilitate traffic; the height of the portal frame should be considered in consideration of the process requirements such as side wall sliding formwork, air-locking steel plate installation, and roof arch lining.
  • the length of the gantry system 1 is determined based on the length of the air conditioning chamber, the location of the seams and the length of the steel bars.
  • the length is 6 to 10 m, and is assembled into a rigid whole using a 3-5 frame gantry structure. Through the above-mentioned size matching, it can adapt to the construction of the controlled atmosphere room.
  • the translation system 6 includes a track bottom plate 602 anchored by anchor bolts 603.
  • the track bottom plate 602 is supported on the bottom foundation 2001 of the pressure regulating chamber 20; a track 601 is fixed on the top of the track bottom plate 602, and the track 601 is installed on the
  • the track wheel 605 at the bottom of the truss column 102 of the gantry system 1 forms a rolling fit.
  • the track wheel 605 is connected to the hydraulic rail climber 604 used to drive it to move along the track 601; when the gantry system 1 needs to move, the hydraulic rail climber
  • the front end of 604 is stuck on the track 601 and pulls the gantry system 1 to move horizontally.
  • the translation system 6 is a platform moving device. Generally, the platform is designed to be mobile with rail wheels. The rail wheels are fixed on the gantry, and their model matches the moving track.
  • the top arch system 3 includes racks 302 processed according to the lining section of the inner wall of the arch.
  • the racks 302 are connected with support rods 303 to form a rigid arch body 304.
  • the rigid arch body 304 is supported as a whole on multiple groups of large arches.
  • the top of the stroke hydraulic jack 301, the large stroke hydraulic jack 301 is supported on the top of the bench system 1 to meet the requirements of flat pressure system layout, steel bar binding, air-locking steel plate installation, grouting process, when the inner wall vault is lined with concrete, in the rigid arch body 304 Install the assembled formwork on top and complete the top arch concrete construction in sections.
  • the top arch system 3 is a working platform for laying out the flat compression system of the arch, tying steel bars, installing air-locking steel plates, concrete lining of the vault, and grouting construction. It is also a top arch formwork and support system, and must have a certain stiffness.
  • the sliding form system 2 includes a sliding form climbing rod 204 vertically fixed between the gantry structure 107 of the gantry system 1 and the bottom foundation 2001 of the pressure regulating chamber 20.
  • the sliding form climbing rod 204 is passed through the sliding form.
  • the jack 203 is installed with the side wall sliding form 202.
  • a demoulding jack 201 is provided between the side wall sliding form 202 and the truss column 102 of the platform system 1.
  • the side wall of the side wall sliding form 202 is provided with a molding jack for side wall pouring.
  • Side wall formwork 205 In addition to meeting the requirements for concrete construction of inner and side walls, the slip form system 2 also serves as a construction work platform for flat pressing system layout, steel bar binding, steel plate installation, grouting and other processes.
  • Sliding form jack 203 is composed of special through-hole jacks and hydraulic systems. These are stereotyped products and their quantities are obtained through calculation.
  • the side wall sliding form 202 adopts a light truss structure, with a cross-sectional size of 1.2-1.5m, and the length of the side wall sliding form 202 is consistent with the length of the bench system 1; the vertical surfaces of the light truss structure are assembled into formwork using ordinary steel formwork.
  • the concrete sliding form construction of the side walls is completed in sections; reticulated steel plates or wooden boards are laid flat on the light truss structure as a working platform; railings are installed on the free surface and safety nets are hung to ensure operation Safety.
  • the lifting system 4 includes a lifting hoist 401 fixed on the gantry structure of the gantry system 1, and a lifting hoist wire rope 402 is wound around the lifting hoist 401.
  • Lifting system 4 is a lifting device for installing steel bars, formwork, steel plates and other materials. Generally, an electric hoist or a suspended manual hoist is hung on the upper part of the platform. Different lifting equipment can be configured according to the lifting weight to meet the construction needs of each process.
  • the hydraulic system 5 is connected to the hydraulic rail climber 604 of the translation system 6, and realizes the translation of the trolley into position; the hydraulic system 5 is connected to the large-stroke hydraulic jack 301 of the top arch system 3, to realize the air-locking steel plate of the top arch. Installation support, concrete inner wall lining support and demoulding functions; the hydraulic system 5 is connected to the sliding form jack 203 of the sliding form system 2 to implement tension and compression combined with the suspended sliding form; the hydraulic system 5 is connected to the demoulding jack 201 of the sliding form system 2 are connected to realize the demoulding of the side wall formwork 205.
  • the hydraulic system 5 is a centralized control device for the side wall sliding formwork, air-locked steel plate support, top arch support, demoulding, and bench movement. All hydraulic systems are centrally controlled by the hydraulic console.
  • the method of using the comprehensive operation trolley for the construction of air-cushion surge chambers in hydropower stations includes the following steps:
  • Step 1 system manufacturing:
  • the platform system 1, roof arch system 3 and sliding form system 2 of the trolley will be manufactured in parts in the steel structure workshop, and pre-assembly and system testing will be carried out. After passing the acceptance inspection, they will be disassembled and transported after numbering;
  • Step 3 installation of outer steel bar 11:
  • Step 5 installation of air-holding steel plate 13:
  • the lifting system 4 is used to complete the installation, welding and reinforcement of the air-locking steel plate 13 to the outer layer of steel bars 11 using tie bars;
  • the sliding form system 2 is used to firmly support the platform system 1 to resist the side pressure of the concrete and ensure air-locking when backfilling concrete.
  • the steel plate 13 will not deform; after the side wall and end wall air-locking steel plates are installed at the spandrel position and the backfilling of concrete is completed, the lifting system 4 and the top arch system 3 are used to complete the installation, welding, support and fixation of the top arch air-locking steel plates;
  • Step 6 exterior wall concrete lining:
  • Step 7 backfill grouting for the top arch of the outer wall:
  • top arch system 3 is used as a working platform to perform top arch backfill grouting
  • Step 8 installation of inner steel bar 12:
  • the side wall, end wall, and vault steel bars are tied in place at one time, and are firmly connected to the air-locking steel plate 13 through tie bars;
  • Step 9 inner wall concrete lining:
  • the side walls are lined in sections using tension and compression combined with suspended slip form technology, and the top arch concrete is lined in sections using the top arch system 3 lagging side walls;
  • Step 10 grouting of the inner wall crown:
  • the roof arch system 3 is used as a working platform to carry out roof arch backfill grouting and contact grouting.

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Abstract

A comprehensive operation trolley for construction of an air-cushion surge chamber of a hydropower station, and a using method thereof, the comprehensive operation trolley comprising a rack system (1) used for supporting the whole trolley. A translation system (6) used for driving the rack system to move and travel along a surge chamber (20) is installed at the bottom of the rack system (1) in a fitting manner; a top arch system (3) used for auxiliary construction of a vault of the surge chamber (20) is arranged at a top end of the rack system (1); a plurality of sliding form systems (2) used for lining construction of an inner side wall of the surge chamber (20) are symmetrically arranged on two outer sides of the rack system (1); a plurality of lifting systems (4) used for lifting operations are arranged on the two outer sides of the rack system (1); and the translation system (6), the top arch system (3) and the sliding form systems (2) are connected to a hydraulic system (5) used for controlling the actions of the translation system, the top arch system and the sliding form systems. The key problems of a poor universal performance, large investment of safety technical measures, long process conversion time, a high construction cost, a large safety risk, difficult quality control, limited construction period, etc. commonly present in an operation rack during construction of an existing air-cushion surge chamber can be effectively solved.

Description

水电站气垫式调压室施工综合作业台车及其使用方法Comprehensive operation trolley for the construction of air-cushion pressure regulating chamber of hydropower station and its use method 技术领域Technical field
本发明涉及水电站地下工程施工领域，特别涉及一种水电站气垫式调压室施工过程中可以满足开挖支护、平压***安设、钢筋绑扎、闭气钢板安装、混凝土衬砌、灌浆等工序的多功能综合作业台车及其使用方法。The invention relates to the field of underground engineering construction of hydropower stations, and in particular to an air-cushion type pressure regulating chamber of a hydropower station that can satisfy multiple processes such as excavation support, flat pressure system installation, steel bar binding, air-locking steel plate installation, concrete lining, grouting and other processes during the construction process. Comprehensive function work trolley and its use method.
背景技术Background technique
水电站气垫式调压室设计断面较大，结构十分复杂。通常设计为锚网喷支护、平压***、钢筋混凝土外壁、钢板闭气、钢筋混凝土内壁等复合洞壁结构以及回填、固结、接触灌浆；技术质量要求严格，施工工艺复杂，施工工序繁琐，往往是水电站施工的关键线路之一The air-cushion pressure regulating chamber of a hydropower station is designed to have a large cross-section and a very complex structure. It is usually designed as a composite cave wall structure such as anchor mesh shotcrete support, flat pressure system, reinforced concrete outer wall, steel plate air-locking, reinforced concrete inner wall, as well as backfilling, consolidation, and contact grouting; the technical quality requirements are strict, the construction technology is complex, and the construction procedures are cumbersome. Often one of the key lines in hydropower station construction
。.
针对气垫式调压室的复杂结构、繁琐施工工序和严格技术要求，必须有严密的施工措施、先进的施工工艺、严格的组织管理，才能保证施工安全、质量、工期、成本。In view of the complex structure, complicated construction procedures and strict technical requirements of the air cushion pressure regulating chamber, strict construction measures, advanced construction technology, and strict organizational management are necessary to ensure construction safety, quality, construction period, and cost.
传统的作业方式是在开挖支护、平压***安设、闭气钢板安装、钢筋绑扎、混凝土衬砌、灌浆等施工过程中，根据不同的施工工序采用不同形式的作业台架或频繁搭设脚手架作为工作平台，来满足各工序施工需要。虽然这种方式使用比较灵活，但存在的问题也十分突出，主要表现在：The traditional method of operation is to use different forms of work benches or frequently set up scaffolding according to different construction processes during excavation support, installation of flat pressure systems, installation of air-locked steel plates, steel bar binding, concrete lining, grouting, etc. Working platform to meet the construction needs of each process. Although this method is more flexible to use, the existing problems are also very prominent, mainly manifested in:
一是不同工序的台架通用性能较差，难以重复利用，制造、安装、改造等成本较高；First, the universal performance of benches in different processes is poor, difficult to reuse, and the cost of manufacturing, installation, and modification is high;
二是频繁安拆脚手架或改造台架，资源投入较多，可靠性较差，一定程度上加大了工程成本；Second, frequent installation and dismantling of scaffolding or modification of benches requires a large investment in resources and poor reliability, which increases the project cost to a certain extent;
三是频繁转换施工工序，衔接不畅，技术措施费用高，质量控制难，安全风险大，工序循环时间长，制约施工工期。Third, the construction process is frequently switched, the connection is not smooth, the cost of technical measures is high, quality control is difficult, safety risks are high, and the process cycle time is long, which restricts the construction period.
综上所述，设计提供一种既能满足开挖支护、又能满足平压***安设需要，还可作为钢筋绑扎和闭气钢板安装使用；既能满足边墙混凝土滑模、又能满足顶拱混凝土衬砌，还可以进行固结、回填、接触灌浆的气垫式调压室施工的多功能综合作业台车，成为本领域技术人员亟待解决的问题。In summary, the design provides a method that can not only meet the needs of excavation support and flat compression system installation, but also can be used as steel bar binding and air-locking steel plate installation; it can not only meet the requirements of side wall concrete slip form, but also meet the needs of flat compression system installation. The multifunctional comprehensive operation trolley for the concrete lining of the roof arch, which can also be used for the construction of air cushion pressure regulating chambers such as consolidation, backfilling, and contact grouting, has become an urgent problem for those skilled in the field to solve.
发明内容Contents of the invention
本发明的目的是提供水电站气垫式调压室施工综合作业台车及其使用方法，通过此作业台车能够有效解决上述现有气垫式调压室施工过程中作业台架普遍存在的通用性能差、安全技措投入多、工序转换时间长、施工成本高、安全风险大、质量控制难、制约工期等关 键问题，设计提供一种结构简单、灵活方便、安全可靠、可周转使用且能满足施工过程中不同作业工序要求的多功能综合作业台车。The object of the present invention is to provide a comprehensive work trolley for the construction of air cushion pressure regulating chambers in hydropower stations and a method of using the same. This work trolley can effectively solve the common performance differences of the work benches in the construction process of the existing air cushion type pressure regulating chambers. , heavy investment in safety technical measures, long process conversion time, high construction costs, high safety risks, difficult quality control, restricted construction period and other key issues, the design provides a simple structure, flexible and convenient, safe and reliable, can be used in turnaround and can meet the needs of construction. A multi-functional comprehensive operating trolley required by different operating procedures in the process.
为了实现上述的技术特征，本发明的目的是这样实现的：水电站气垫式调压室施工综合作业台车，它包括用于对整个台车进行支撑的台架***；所述台架***的底部配合安装有用于驱动其沿着调压室移动行走的平移***；所述台架***的顶端设置有用于对调压室拱顶进行辅助施工的顶拱***；所述台架***的两外侧对称布置有多组用于对调压室内侧壁衬砌施工的滑模***；所述台架***的两外侧设置有多组用于提升作业的提升***；所述平移***、顶拱***和滑模***与用于控制其动作的液压***相连。In order to realize the above technical characteristics, the object of the present invention is achieved as follows: a comprehensive operation trolley for the construction of air cushion type pressure regulating chamber of a hydropower station, which includes a bench system for supporting the entire trolley; the bottom of the bench system It is equipped with a translation system for driving it to move along the pressure regulating chamber; the top of the platform system is provided with a top arch system for assisting in the construction of the pressure regulating chamber vault; both sides of the platform system are symmetrical Multiple sets of sliding form systems are arranged for lining the side walls of the pressure regulating chamber; multiple sets of lifting systems are provided on both sides of the platform system for lifting operations; the translation system, the top arch system and the sliding formwork are arranged The system is connected to a hydraulic system that controls its movements.
所述台架***包括多组桁架立柱；相邻两组桁架立柱之间通过通过顶部桁架和中部桁架固定相连，并构成门架结构；多组门架结构之间通过顶部横向桁架和中部横向桁架固定相连；在门架结构之间通过桁架斜撑杆支撑相连。The gantry system includes multiple groups of truss columns; two adjacent groups of truss columns are fixedly connected by a top truss and a middle truss, and form a portal structure; multiple groups of portal structures are connected by a top transverse truss and a middle transverse truss. Fixedly connected; the portal structures are supported and connected by truss diagonal braces.
所述台架***的长度尺寸根据气调室长度、分缝位置及钢筋长度确定，长度尺寸取6～10m，并采用3-5榀门架结构拼装成一个刚性整体。The length of the gantry system is determined based on the length of the air conditioning chamber, the location of the seams and the length of the steel bars. The length is 6 to 10 m, and is assembled into a rigid whole using a 3-5 frame door frame structure.
所述平移***包括通过锚栓锚固的轨道底板，轨道底板支撑在调压室的底部基础上；在轨道底板的顶部固定有轨道，轨道与安装在台架***的桁架立柱底端的轨道轮构成滚动配合，轨道轮与用于驱动其沿着轨道移动的液压爬轨器相连；台架***需要移动时，液压爬轨器前端卡在轨道上并牵引台架***水平移动。The translation system includes a track bottom plate anchored by anchor bolts. The track bottom plate is supported on the bottom foundation of the pressure regulating chamber. A track is fixed on the top of the track bottom plate. The track and the track wheel installed at the bottom of the truss column of the platform system form a rolling motion. In cooperation, the track wheels are connected to the hydraulic rail climber used to drive it to move along the track; when the platform system needs to move, the front end of the hydraulic rail climber is stuck on the track and pulls the platform system to move horizontally.
所述顶拱***包括按照拱部内壁衬砌断面加工成的排架，排架之间用支撑杆连接成一个刚性拱形体，刚性拱形体整体支撑在多组大行程液压千斤顶的顶端，大行程液压千斤顶支撑在台架***的顶端，以满足平压系布设、钢筋绑扎、闭气钢板安装、灌浆工序，内壁拱顶混凝土衬砌时，在刚性拱形体上安装拼装模板，分段完成顶拱混凝土施工。The top arch system includes racks processed according to the lining section of the inner wall of the arch. The racks are connected with support rods to form a rigid arch body. The rigid arch body is supported as a whole on the tops of multiple groups of large-stroke hydraulic jacks. The jack is supported at the top of the bench system to meet the requirements of flat compression system layout, steel bar tying, air-locking steel plate installation, and grouting processes. When the inner wall vault is lined with concrete, an assembled formwork is installed on the rigid arch body to complete the top arch concrete construction in sections.
所述滑模***包括竖直固定在台架***的门架结构与调压室的底部基础之间的滑模爬杆，滑模爬杆上通过滑模千斤顶配合安装有边墙滑模，边墙滑模和台架***的桁架立柱之间设置有脱模千斤顶，边墙滑模的外侧壁上设置有用于侧墙浇筑的边墙模板。The sliding form system includes a sliding form climbing rod fixed vertically between the gantry structure of the gantry system and the bottom foundation of the pressure regulating chamber. The sliding form climbing rod is equipped with a side wall sliding form through a sliding form jack. A demoulding jack is provided between the wall sliding form and the truss column of the platform system, and a side wall formwork for side wall pouring is provided on the outer wall of the side wall sliding form.
所述边墙滑模采用轻型桁架结构，截面尺寸以1.2-1.5m，边墙滑模长度与台架***长度一致；轻型桁架结构竖面用普通钢模板拼装成模板，以满足边墙、端墙滑模要求，以分段完成边墙混凝土滑模施工；轻型桁架结构上平面铺设网纹钢板或木板作为工作平台；临空面设置栏杆并挂设安全网，确保作业安全。The side wall sliding form adopts a light truss structure, with a cross-sectional size of 1.2-1.5m, and the length of the side wall sliding form is consistent with the length of the bench system; the vertical surfaces of the light truss structure are assembled into formwork with ordinary steel formwork to meet the needs of side walls and ends. The wall slip form requires that the concrete slip form construction of the side wall be completed in sections; reticulated steel plates or wooden boards are laid flat on the light truss structure as a working platform; railings are set up on the free surface and safety nets are hung to ensure the safety of the operation.
所述提升***包括固定在台架***的门架结构上的提升葫芦，所述提升葫芦上缠绕有提升葫芦钢丝绳。The lifting system includes a lifting hoist fixed on the gantry structure of the platform system, and the lifting hoist is wound with a lifting hoist wire rope.
所述液压***与平移***的液压爬轨器相连，并实现台车的平移就位；液压***与顶拱***的大行程液压千斤顶相连，实现顶拱闭气钢板安装支撑、混凝土内壁衬砌支撑和脱模功能；液压***与滑模***的滑模千斤顶相连，实施拉压结合悬吊式滑模；液压***与滑模***的脱模千斤顶相连，实现边墙模板的脱模。The hydraulic system is connected to the hydraulic rail climber of the translation system and realizes the translation of the trolley into position; the hydraulic system is connected to the large-stroke hydraulic jack of the roof arch system to realize the installation support of the roof arch air-locking steel plate and the support and detachment of the concrete inner wall lining. Formwork function; the hydraulic system is connected to the sliding form jack of the sliding form system to implement tension and compression combined with suspended sliding formwork; the hydraulic system is connected to the demoulding jack of the sliding form system to realize demoulding of the side wall formwork.
水电站气垫式调压室施工综合作业台车的使用方法，包括以下步骤：The method of using the comprehensive operation trolley for the construction of air-cushion surge chambers in hydropower stations includes the following steps:
步骤1，***制造： Step 1, system manufacturing:
将台车的台架***、顶拱***和滑模***在钢结构车间分件制造，并进行预组装和***试验，验收合格后，编号后解体运输；The platform system, roof arch system and sliding form system of the trolley will be manufactured in parts in the steel structure workshop, and pre-assembly and system testing will be carried out. After acceptance, they will be disassembled and transported after numbering;
步骤2，现场安装： Step 2, on-site installation:
2.1，首先浇筑调压室的底部基础，留设台车平移***的轨道埋件并铺设行走轨道，同时留设外层钢筋插筋和安装首层闭气钢板；2.1. First, pour the bottom foundation of the pressure regulating chamber, set the rail embedded parts of the trolley translation system and lay the walking track. At the same time, set the outer layer of steel bars and install the first layer of air-locking steel plates;
2.2，拼装台架***、平移***，连接所有支撑并加固，形成整体刚性结构；2.2. Assemble the platform system and translation system, connect and reinforce all supports to form an overall rigid structure;
2.3，安装布置滑模***，并布置悬吊提升***；2.3. Install and arrange the sliding form system and arrange the suspension lifting system;
2.4，在台架***顶部安装固定顶拱***；2.4. Install a fixed roof arch system on the top of the bench system;
2.5，连接液压***，并对平移***、顶拱***和滑模***进行空载试验；2.5. Connect the hydraulic system and conduct no-load tests on the translation system, top arch system and sliding form system;
2.6，所有装置***调整完善后，即可投入使用；2.6. After all device systems are adjusted and completed, they can be put into use;
步骤3，外层钢筋的安装： Step 3, installation of outer steel bars:
利用滑模***作为工作平台，自下而上一次进行外层钢筋的绑扎、加固；再利用顶拱***作为工作平台进行顶拱外层钢筋绑扎、加固；Use the sliding form system as a working platform to tie and reinforce the outer steel bars from bottom to top; then use the top arch system as a working platform to tie and reinforce the outer steel bars of the top arch;
步骤4，平压***施工： Step 4, flat pressure system construction:
利用滑模***和顶拱***作为工作平台，完成***平压孔的钻孔施工和环向平压管以及纵向平压管的钢管安装工作；Use the sliding form system and roof arch system as the working platform to complete the drilling construction of system pressure holes and the installation of steel pipes for circumferential pressure pipes and longitudinal pressure pipes;
步骤5，闭气钢板的安装： Step 5, installation of air-locking steel plate:
利用提升***完成闭气钢板的就位、焊接并使用拉筋加固到外层钢筋上；利用滑模***牢固支撑在台架***上，以抵抗混凝土侧压力，确保回填混凝土时闭气钢板不发生变形；边墙和端墙闭气钢板安装至拱肩位置、回填混凝土完成后，利用提升***和顶拱***完成顶拱闭气钢板安装、焊接、支撑、固定；The lifting system is used to complete the placement, welding and reinforcement of the air-locked steel plates to the outer steel bars using tie bars; the sliding form system is used to firmly support the platform system to resist the lateral pressure of the concrete and ensure that the air-locked steel plates do not deform when backfilling concrete; After the side wall and end wall air-locking steel plates are installed at the spandrel position and the backfilling of concrete is completed, the lifting system and the top arch system are used to complete the installation, welding, support and fixation of the top arch air-locking steel plates;
步骤6，外壁混凝土衬砌： Step 6, exterior wall concrete lining:
每安装一层闭气钢板，就回填一次混凝土，直至边墙至拱肩位置；顶拱闭气钢板完成后，再进行顶拱外壁回填混凝土施工；Every time a layer of air-locking steel plates is installed, concrete is backfilled until the side wall reaches the spandrel position; after the top arch air-locking steel plates are completed, the outer wall of the top arch is backfilled with concrete;
步骤7，外壁顶拱回填灌浆： Step 7, backfill grouting for the top arch of the outer wall:
顶拱回填混凝土完成并待强后，再利用顶拱***作为工作平台进行顶拱回填灌浆；After the top arch backfill concrete is completed and strengthened, the top arch system is used as a working platform to perform top arch backfill grouting;
步骤8，内层钢筋的安装： Step 8, installation of inner steel bars:
利用滑模***、顶拱***作为工作平台，边墙、端墙、拱顶钢筋一次绑扎到位，并通过拉筋与闭气钢板连接牢靠；The sliding form system and roof arch system are used as the working platform, and the steel bars of the side walls, end walls, and vaults are tied in place at one time, and are firmly connected to the air-locking steel plates through tie bars;
步骤9，内壁混凝土衬砌： Step 9, inner wall concrete lining:
边墙利用拉压结合悬吊式滑模技术分段衬砌，顶拱混凝土利用顶拱***滞后边墙分段衬砌；步骤10，内壁顶拱灌浆：The side walls are lined in sections using tension and compression combined with suspended slip form technology, and the top arch concrete is lined in sections using the top arch system to lag the side walls; Step 10, top arch grouting of the inner wall:
顶拱内壁回填混凝土完成并待强后，再利用顶拱***作为工作平台进行顶拱回填灌浆、接触灌浆。After the inner wall of the roof arch is backfilled with concrete and strengthened, the roof arch system is used as a working platform to carry out roof arch backfill grouting and contact grouting.
本发明有如下有益效果：The invention has the following beneficial effects:
1、本发明台车能够实现，钢筋绑扎一次完成、平压***布设一次就位、闭气钢板依靠滑模及台架作支撑分层安装，施工精度有保障，施工质量有保证。1. The trolley of the present invention can realize that the steel bar binding is completed once, the flat pressing system is laid out once, and the air-locking steel plate is installed in layers relying on the sliding form and the platform for support. The construction accuracy and construction quality are guaranteed.
2、本发明的边墙采取拉压结合悬吊式滑模施工，可有效规避全断面钢模台车混凝土衬砌的不足，混凝土施工过程直观可视，实现分层分仓、均匀平仓、密实振捣有保证，可及时消缺、及时养护，有利于混凝土质量控制。2. The side wall of the present invention adopts tension-compression combined with suspended sliding form construction, which can effectively avoid the shortcomings of the concrete lining of the full-section steel formwork trolley. The concrete construction process is intuitively visible, and can achieve layered silos, uniform leveling, and compaction. Vibration is guaranteed, defects can be eliminated and maintained in time, which is beneficial to concrete quality control.
3、本发明台车具备多功能性，既是锚喷支护、钢筋绑扎、平压***安设、闭气钢板安装、灌浆等施工的作业台车，又是边墙滑模、顶拱衬砌的作业台车，台车综合使用，设施充分利用，工序转换快捷，施工进度有保证，有利于施工工期，能有效降低工程成本。3. The trolley of the present invention has multi-functionality. It can be used not only for anchor shot blasting support, steel bar binding, flat pressure system installation, air-locking steel plate installation, grouting and other construction operations, but also for side wall sliding formwork and roof arch lining operations. The trolleys and trolleys are used comprehensively, the facilities are fully utilized, the process conversion is quick, the construction progress is guaranteed, which is conducive to the construction period and can effectively reduce the project cost.
4、本发明台车为全封闭结构，多工种、多工序立体交叉平行作业相对独立，减少了繁琐的脚手架安拆工序，消减了许多安全隐患，安全施工有保障。4. The trolley of the present invention has a fully enclosed structure, and the multi-type and multi-process three-dimensional cross-parallel operations are relatively independent, which reduces the cumbersome scaffolding installation and disassembly process, reduces many safety hazards, and ensures safe construction.
5、本发明台车采用轨轮式，利用液压爬轨器牵引，可在较快的时间内移动到下一仓号施工，方便快捷，有利于工序的快速转换。5. The trolley of the present invention adopts the rail wheel type and is pulled by a hydraulic rail climber. It can be moved to the next warehouse number for construction in a faster time, which is convenient and fast, and is conducive to the rapid conversion of the process.
附图说明Description of drawings
下面结合附图和实施例对本发明作进一步说明。The present invention will be further described below in conjunction with the accompanying drawings and examples.
图1是综合作业台车横断面示意图Figure 1 is a cross-sectional schematic diagram of the comprehensive operation platform
图2是综合作业台车纵剖面示意图Figure 2 is a schematic diagram of the longitudinal section of the comprehensive operation platform.
图中：台架***1、滑模***2、顶拱***3、提升***4、液压***5、平移***6、环向平压管7、混凝土结构外边线8、混凝土结构内边线9、喷护混凝土层10、外层钢筋11、内层钢筋12、闭气钢板13、纵向平压管14、***平压孔15、***锚杆16、开挖外轮廓17、 闭气钢板里侧回填灌浆18、闭气钢板外侧回填灌浆19、调压室20；In the picture: Bench system 1, sliding form system 2, roof arch system 3, lifting system 4, hydraulic system 5, translation system 6, circumferential flat pressure pipe 7, concrete structure outer edge 8, concrete structure inner edge 9, spray protection Concrete layer 10, outer steel bar 11, inner steel bar 12, air-locking steel plate 13, longitudinal flat pressure pipe 14, system flat pressure hole 15, system anchor 16, excavation outer contour 17, backfill grouting on the inside of the air-locking steel plate 18, air-locking Backfill grouting 19 and pressure regulating chamber 20 on the outside of the steel plate;
顶部桁架101、桁架立柱102、桁架斜撑杆103、中部桁架104、顶部横向桁架105、中部横向桁架106、门架结构107； Top truss 101, truss columns 102, truss diagonal braces 103, middle truss 104, top transverse truss 105, middle transverse truss 106, portal structure 107;
脱模千斤顶201、边墙滑模202、滑模千斤顶203、滑模爬杆204、边墙模板205； Demolding jack 201, side wall sliding form 202, sliding form jack 203, sliding form climbing rod 204, side wall formwork 205;
大行程液压千斤顶301、排架302、支撑杆303、刚性拱形体304；Large stroke hydraulic jack 301, rack 302, support rod 303, rigid arch body 304;
提升葫芦401、提升葫芦钢丝绳402；Lifting hoist 401, lifting hoist wire rope 402;
轨道601、轨道底板602、锚栓603、液压爬轨器604、轨道轮605； Track 601, track bottom plate 602, anchor bolt 603, hydraulic rail climber 604, track wheel 605;
底部基础2001。 Bottom Foundation 2001.
具体实施方式Detailed ways
下面结合附图对本发明的实施方式做进一步的说明。The embodiments of the present invention will be further described below with reference to the accompanying drawings.
实施例1：Example 1:
本发明的主要设计方法为：The main design methods of the present invention are:
首先，按照气垫式调压室设计结构和特征设计制作一套台架式边墙滑模及顶拱衬砌台车，以满足内壁边墙、端墙及顶拱的钢筋安装、混凝土衬砌以及回填、固结、接触灌浆需要。其二，在此台车的基础上，利用边墙滑模作为升降作业平台、结合提升***完成外层钢筋的绑扎以及平压***安设。其三，利用边墙滑模作为升降作业平台、依靠提升***完成闭气钢板起吊、就位、焊接、探伤、加固等，并用滑模和台车支撑闭气钢板作为模板分层完成外壁混凝土回填。其四，利用顶拱台车作支撑完成拱部闭气钢板安装和顶拱外壁回填混凝土施工。其五，如果采用人工钻爆法开挖，还可以作为开挖支护的作业台车使用。First, according to the design structure and characteristics of the air-cushion pressure regulating chamber, a set of bench-type side wall sliding formwork and top arch lining trolleys are designed and manufactured to meet the requirements of steel bar installation, concrete lining and backfilling of the inner wall side walls, end walls and top arches. Consolidation, contact grouting required. Secondly, on the basis of this trolley, the side wall sliding form is used as a lifting working platform, combined with the lifting system to complete the binding of the outer steel bars and the installation of the flat pressing system. Third, the side wall sliding form is used as a lifting platform, and the lifting system is used to complete the lifting, positioning, welding, flaw detection, reinforcement, etc. of the air-locked steel plate, and the sliding form and trolley are used to support the air-locked steel plate as a template to complete the outer wall concrete backfill in layers. Fourth, the roof arch trolley is used as a support to complete the installation of the air-sealing steel plate at the arch and the backfill concrete construction of the outer wall of the roof arch. Fifth, if the manual drilling and blasting method is used for excavation, it can also be used as an operation platform for excavation support.
参见图1-2，水电站气垫式调压室施工综合作业台车，它包括用于对整个台车进行支撑的台架***1；所述台架***1的底部配合安装有用于驱动其沿着调压室20移动行走的平移***6；所述台架***1的顶端设置有用于对调压室20拱顶进行辅助施工的顶拱***3；所述台架***1的两外侧对称布置有多组用于对调压室20内侧壁衬砌施工的滑模***2；所述台架***1的两外侧设置有多组用于提升作业的提升***4；所述平移***6、顶拱***3和滑模***2与用于控制其动作的液压***5相连。通过采用上述的台车有效解决上述现有气垫式调压室施工过程中作业台架普遍存在的通用性能差、安全技措投入多、工序转换时间长、施工成本高、安全风险大、质量控制难、制约工期等关键问题。其结构简单、灵活方便、安全可靠、可周转使用且能满足施工过程中不同作业工序要求的多功能综合作业台车。Referring to Figure 1-2, a comprehensive operation trolley for the construction of an air-cushion pressure regulating chamber in a hydropower station includes a bench system 1 for supporting the entire trolley; the bottom of the bench system 1 is equipped with a device for driving it along the The translation system 6 for moving the pressure regulating chamber 20; the top of the platform system 1 is provided with a top arch system 3 for assisting in the construction of the vault of the pressure regulating chamber 20; the two outer sides of the platform system 1 are symmetrically arranged with Multiple sets of sliding form systems 2 for lining the inner wall of the pressure regulating chamber 20; multiple sets of lifting systems 4 for lifting operations are provided on both sides of the platform system 1; the translation system 6 and the top arch system 3 and the sliding form system 2 are connected to the hydraulic system 5 used to control its action. The use of the above-mentioned trolley effectively solves the common problems of the above-mentioned existing work benches in the construction process of the air-cushion pressure regulating chamber: poor general performance, heavy investment in safety technology measures, long process conversion time, high construction cost, high safety risks, and quality control. Difficulties, restricted construction period and other key issues. It is a multi-functional comprehensive operation trolley with a simple structure, flexibility and convenience, safety and reliability, can be used in turnaround and can meet the requirements of different operating procedures during the construction process.
进一步的，所述台架***1包括多组桁架立柱102；相邻两组桁架立柱102之间通过 通过顶部桁架101和中部桁架104固定相连，并构成门架结构107；多组门架结构107之间通过顶部横向桁架105和中部横向桁架106固定相连；在门架结构107之间通过桁架斜撑杆103支撑相连。其中台架***是该综合作业台车的骨架，必须具有足够的强度与刚度。一般用型钢加工成门架式或桁架式，以方便通行；门架高度统筹考虑边墙滑模、闭气钢板安装、顶拱衬砌等工艺要求。Further, the gantry system 1 includes multiple groups of truss columns 102; two adjacent groups of truss columns 102 are fixedly connected through the top truss 101 and the middle truss 104, and form a portal structure 107; multiple sets of portal structures 107 They are fixedly connected by the top transverse truss 105 and the middle transverse truss 106; the portal structures 107 are supported and connected by the truss diagonal braces 103. The bench system is the skeleton of the comprehensive operation trolley and must have sufficient strength and rigidity. Generally, steel is processed into a portal frame or truss style to facilitate traffic; the height of the portal frame should be considered in consideration of the process requirements such as side wall sliding formwork, air-locking steel plate installation, and roof arch lining.
进一步的，所述台架***1的长度尺寸根据气调室长度、分缝位置及钢筋长度确定，长度尺寸取6～10m，并采用3-5榀门架结构拼装成一个刚性整体。通过上述的尺寸配合能够适应气调室的施工。Furthermore, the length of the gantry system 1 is determined based on the length of the air conditioning chamber, the location of the seams and the length of the steel bars. The length is 6 to 10 m, and is assembled into a rigid whole using a 3-5 frame gantry structure. Through the above-mentioned size matching, it can adapt to the construction of the controlled atmosphere room.
进一步的，所述平移***6包括通过锚栓603锚固的轨道底板602，轨道底板602支撑在调压室20的底部基础2001上；在轨道底板602的顶部固定有轨道601，轨道601与安装在台架***1的桁架立柱102底端的轨道轮605构成滚动配合，轨道轮605与用于驱动其沿着轨道601移动的液压爬轨器604相连；台架***1需要移动时，液压爬轨器604前端卡在轨道601上并牵引台架***1水平移动。平移***6是台架移动装置，一般台架设计为轨轮移动式，轨轮固定在门架上，其型号与移动轨道相匹配。Further, the translation system 6 includes a track bottom plate 602 anchored by anchor bolts 603. The track bottom plate 602 is supported on the bottom foundation 2001 of the pressure regulating chamber 20; a track 601 is fixed on the top of the track bottom plate 602, and the track 601 is installed on the The track wheel 605 at the bottom of the truss column 102 of the gantry system 1 forms a rolling fit. The track wheel 605 is connected to the hydraulic rail climber 604 used to drive it to move along the track 601; when the gantry system 1 needs to move, the hydraulic rail climber The front end of 604 is stuck on the track 601 and pulls the gantry system 1 to move horizontally. The translation system 6 is a platform moving device. Generally, the platform is designed to be mobile with rail wheels. The rail wheels are fixed on the gantry, and their model matches the moving track.
进一步的，所述顶拱***3包括按照拱部内壁衬砌断面加工成的排架302，排架302之间用支撑杆303连接成一个刚性拱形体304，刚性拱形体304整体支撑在多组大行程液压千斤顶301的顶端，大行程液压千斤顶301支撑在台架***1的顶端，以满足平压系布设、钢筋绑扎、闭气钢板安装、灌浆工序，内壁拱顶混凝土衬砌时，在刚性拱形体304上安装拼装模板，分段完成顶拱混凝土施工。其中，所述顶拱***3即是拱部平压***布设、钢筋绑扎、闭气钢板安装、拱顶混凝土衬砌、灌浆施工的作业平台，又是顶拱模板及支撑***，必须有一定的刚度。Further, the top arch system 3 includes racks 302 processed according to the lining section of the inner wall of the arch. The racks 302 are connected with support rods 303 to form a rigid arch body 304. The rigid arch body 304 is supported as a whole on multiple groups of large arches. The top of the stroke hydraulic jack 301, the large stroke hydraulic jack 301 is supported on the top of the bench system 1 to meet the requirements of flat pressure system layout, steel bar binding, air-locking steel plate installation, grouting process, when the inner wall vault is lined with concrete, in the rigid arch body 304 Install the assembled formwork on top and complete the top arch concrete construction in sections. Among them, the top arch system 3 is a working platform for laying out the flat compression system of the arch, tying steel bars, installing air-locking steel plates, concrete lining of the vault, and grouting construction. It is also a top arch formwork and support system, and must have a certain stiffness.
进一步的，所述滑模***2包括竖直固定在台架***1的门架结构107与调压室20的底部基础2001之间的滑模爬杆204，滑模爬杆204上通过滑模千斤顶203配合安装有边墙滑模202，边墙滑模202和台架***1的桁架立柱102之间设置有脱模千斤顶201，边墙滑模202的外侧壁上设置有用于侧墙浇筑的边墙模板205。滑模***2除满足内壁边墙混凝土施工外，还要作为平压***布设、钢筋绑扎、钢板安装、灌浆等工序的施工作业平台。滑模千斤顶203采用专用穿心千斤顶、液压***组成，这些均为定型产品，其数量通过计算获取。Further, the sliding form system 2 includes a sliding form climbing rod 204 vertically fixed between the gantry structure 107 of the gantry system 1 and the bottom foundation 2001 of the pressure regulating chamber 20. The sliding form climbing rod 204 is passed through the sliding form. The jack 203 is installed with the side wall sliding form 202. A demoulding jack 201 is provided between the side wall sliding form 202 and the truss column 102 of the platform system 1. The side wall of the side wall sliding form 202 is provided with a molding jack for side wall pouring. Side wall formwork 205. In addition to meeting the requirements for concrete construction of inner and side walls, the slip form system 2 also serves as a construction work platform for flat pressing system layout, steel bar binding, steel plate installation, grouting and other processes. Sliding form jack 203 is composed of special through-hole jacks and hydraulic systems. These are stereotyped products and their quantities are obtained through calculation.
进一步的，所述边墙滑模202采用轻型桁架结构，截面尺寸以1.2-1.5m，边墙滑模202长度与台架***1长度一致；轻型桁架结构竖面用普通钢模板拼装成模板，以满足边 墙、端墙滑模要求，以分段完成边墙混凝土滑模施工；轻型桁架结构上平面铺设网纹钢板或木板作为工作平台；临空面设置栏杆并挂设安全网，确保作业安全。Further, the side wall sliding form 202 adopts a light truss structure, with a cross-sectional size of 1.2-1.5m, and the length of the side wall sliding form 202 is consistent with the length of the bench system 1; the vertical surfaces of the light truss structure are assembled into formwork using ordinary steel formwork. To meet the sliding form requirements for side walls and end walls, the concrete sliding form construction of the side walls is completed in sections; reticulated steel plates or wooden boards are laid flat on the light truss structure as a working platform; railings are installed on the free surface and safety nets are hung to ensure operation Safety.
进一步的，所述提升***4包括固定在台架***1的门架结构上的提升葫芦401，所述提升葫芦401上缠绕有提升葫芦钢丝绳402。提升***4是钢筋、模板、钢板安装等材料的起吊装置，一般在台架上部挂设电动葫芦或悬吊手动葫芦，可根据起吊重量配置不同的起吊工器具，以满足各工序的施工需要。Further, the lifting system 4 includes a lifting hoist 401 fixed on the gantry structure of the gantry system 1, and a lifting hoist wire rope 402 is wound around the lifting hoist 401. Lifting system 4 is a lifting device for installing steel bars, formwork, steel plates and other materials. Generally, an electric hoist or a suspended manual hoist is hung on the upper part of the platform. Different lifting equipment can be configured according to the lifting weight to meet the construction needs of each process.
进一步的，所述液压***5与平移***6的液压爬轨器604相连，并实现台车的平移就位；液压***5与顶拱***3的大行程液压千斤顶301相连，实现顶拱闭气钢板安装支撑、混凝土内壁衬砌支撑和脱模功能；液压***5与滑模***2的滑模千斤顶203相连，实施拉压结合悬吊式滑模；液压***5与滑模***2的脱模千斤顶201相连，实现边墙模板205的脱模。液压***5是边墙滑模、闭气钢板支撑、顶拱支撑、脱模、台架移动的集中控制装置。所有液压***统一由液压控制台集中控制。Further, the hydraulic system 5 is connected to the hydraulic rail climber 604 of the translation system 6, and realizes the translation of the trolley into position; the hydraulic system 5 is connected to the large-stroke hydraulic jack 301 of the top arch system 3, to realize the air-locking steel plate of the top arch. Installation support, concrete inner wall lining support and demoulding functions; the hydraulic system 5 is connected to the sliding form jack 203 of the sliding form system 2 to implement tension and compression combined with the suspended sliding form; the hydraulic system 5 is connected to the demoulding jack 201 of the sliding form system 2 are connected to realize the demoulding of the side wall formwork 205. The hydraulic system 5 is a centralized control device for the side wall sliding formwork, air-locked steel plate support, top arch support, demoulding, and bench movement. All hydraulic systems are centrally controlled by the hydraulic console.
实施例2：Example 2:
水电站气垫式调压室施工综合作业台车的使用方法，包括以下步骤：The method of using the comprehensive operation trolley for the construction of air-cushion surge chambers in hydropower stations includes the following steps:
步骤1，***制造： Step 1, system manufacturing:
将台车的台架***1、顶拱***3和滑模***2在钢结构车间分件制造，并进行预组装和***试验，验收合格后，编号后解体运输；The platform system 1, roof arch system 3 and sliding form system 2 of the trolley will be manufactured in parts in the steel structure workshop, and pre-assembly and system testing will be carried out. After passing the acceptance inspection, they will be disassembled and transported after numbering;
步骤2，现场安装： Step 2, on-site installation:
2.1，首先浇筑气调室底板混凝土，留设台车平移***6的轨道埋件并铺设行走轨道，同时留设外层钢筋插筋和安装首层闭气钢板；2.1. First, pour the concrete for the floor of the air-controlled chamber, leave the track embedded parts of the trolley translation system 6 and lay the walking track. At the same time, leave the outer layer of steel bars inserted and install the first layer of air-locking steel plates;
2.2，拼装台架***1、平移***6，连接所有支撑并加固，形成整体刚性结构；2.2. Assemble the gantry system 1 and the translation system 6, connect and reinforce all supports to form an overall rigid structure;
2.3，安装布置滑模***2，并布置悬吊提升***4；2.3. Install and arrange the sliding form system 2 and arrange the suspension lifting system 4;
2.4，在台架***1顶部安装固定顶拱***3；2.4. Install the fixed top arch system 3 on the top of the bench system 1;
2.5，连接液压***5，并对平移***6、顶拱***3和滑模***2进行空载试验；2.5, connect the hydraulic system 5, and conduct a no-load test on the translation system 6, the top arch system 3 and the sliding form system 2;
2.6，所有装置***调整完善后，即可投入使用；2.6. After all device systems are adjusted and completed, they can be put into use;
步骤3，外层钢筋11的安装： Step 3, installation of outer steel bar 11:
利用滑模***2作为工作平台，自下而上一次进行外层钢筋11的绑扎、加固；再利用顶拱***3作为工作平台进行顶拱外层钢筋绑扎、加固；Use the sliding form system 2 as a working platform to tie and reinforce the outer steel bars 11 from bottom to top; then use the top arch system 3 as a working platform to tie and reinforce the outer steel bars of the top arch;
步骤4，平压***施工： Step 4, flat pressure system construction:
利用滑模***2和顶拱***3作为工作平台，完成***平压孔15的钻孔施工和环向平压管 7以及纵向平压管14的钢管安装工作；Use the sliding form system 2 and the top arch system 3 as the working platform to complete the drilling construction of the system flat pressure hole 15 and the steel pipe installation work of the circumferential flat pressure pipe 7 and the longitudinal flat pressure pipe 14;
步骤5，闭气钢板13的安装： Step 5, installation of air-holding steel plate 13:
利用提升***4完成闭气钢板13的就位、焊接并使用拉筋加固到外层钢筋11上；利用滑模***2牢固支撑在台架***1上，以抵抗混凝土侧压力，确保回填混凝土时闭气钢板13不发生变形；边墙和端墙闭气钢板安装至拱肩位置、回填混凝土完成后，利用提升***4和顶拱***3完成顶拱闭气钢板安装、焊接、支撑、固定；The lifting system 4 is used to complete the installation, welding and reinforcement of the air-locking steel plate 13 to the outer layer of steel bars 11 using tie bars; the sliding form system 2 is used to firmly support the platform system 1 to resist the side pressure of the concrete and ensure air-locking when backfilling concrete. The steel plate 13 will not deform; after the side wall and end wall air-locking steel plates are installed at the spandrel position and the backfilling of concrete is completed, the lifting system 4 and the top arch system 3 are used to complete the installation, welding, support and fixation of the top arch air-locking steel plates;
步骤6，外壁混凝土衬砌： Step 6, exterior wall concrete lining:
每安装一层闭气钢板，就回填一次混凝土，直至边墙至拱肩位置；顶拱闭气钢板完成后，再进行顶拱外壁回填混凝土施工；Every time a layer of air-locking steel plates is installed, concrete is backfilled until the side wall reaches the spandrel position; after the top arch air-locking steel plates are completed, the outer wall of the top arch is backfilled with concrete;
步骤7，外壁顶拱回填灌浆： Step 7, backfill grouting for the top arch of the outer wall:
顶拱回填混凝土完成并待强后，再利用顶拱***3作为工作平台进行顶拱回填灌浆；After the top arch backfill concrete is completed and strengthened, the top arch system 3 is used as a working platform to perform top arch backfill grouting;
步骤8，内层钢筋12的安装： Step 8, installation of inner steel bar 12:
利用滑模***2、顶拱***3作为工作平台，边墙、端墙、拱顶钢筋一次绑扎到位，并通过拉筋与闭气钢板13连接牢靠；Using the sliding form system 2 and the roof arch system 3 as the working platform, the side wall, end wall, and vault steel bars are tied in place at one time, and are firmly connected to the air-locking steel plate 13 through tie bars;
步骤9，内壁混凝土衬砌： Step 9, inner wall concrete lining:
边墙利用拉压结合悬吊式滑模技术分段衬砌，顶拱混凝土利用顶拱***3滞后边墙分段衬砌；The side walls are lined in sections using tension and compression combined with suspended slip form technology, and the top arch concrete is lined in sections using the top arch system 3 lagging side walls;
步骤10，内壁顶拱灌浆： Step 10, grouting of the inner wall crown:
顶拱内壁回填混凝土完成并待强后，再利用顶拱***3作为工作平台进行顶拱回填灌浆、接触灌浆。After the backfilling of concrete on the inner wall of the roof arch is completed and strengthened, the roof arch system 3 is used as a working platform to carry out roof arch backfill grouting and contact grouting.

Claims (10)

  1. 水电站气垫式调压室施工综合作业台车，其特征在于：它包括用于对整个台车进行支撑的台架***(1)；所述台架***(1)的底部配合安装有用于驱动其沿着调压室(20)移动行走的平移***(6)；所述台架***(1)的顶端设置有用于对调压室(20)拱顶进行辅助施工的顶拱***(3)；所述台架***(1)的两外侧对称布置有多组用于对调压室(20)内侧壁衬砌施工的滑模***(2)；所述台架***(1)的两外侧设置有多组用于提升作业的提升***(4)；所述平移***(6)、顶拱***(3)和滑模***(2)与用于控制其动作的液压***(5)相连。A comprehensive operation trolley for the construction of an air-cushion pressure regulating chamber of a hydropower station, which is characterized in that: it includes a bench system (1) for supporting the entire trolley; the bottom of the bench system (1) is equipped with a device for driving the trolley. A translation system (6) that moves along the pressure regulating chamber (20); the top of the platform system (1) is provided with a top arch system (3) for assisting in the construction of the vault of the pressure regulating chamber (20); Multiple sets of sliding form systems (2) for lining the inner wall of the pressure regulating chamber (20) are symmetrically arranged on both sides of the gantry system (1); Multiple sets of lifting systems (4) for lifting operations; the translation system (6), top arch system (3) and sliding form system (2) are connected to the hydraulic system (5) used to control their actions.
  2. 根据权利要求1所述水电站气垫式调压室施工综合作业台车，其特征在于：所述台架***(1)包括多组桁架立柱(102)；相邻两组桁架立柱(102)之间通过通过顶部桁架(101)和中部桁架(104)固定相连，并构成门架结构(107)；多组门架结构(107)之间通过顶部横向桁架(105)和中部横向桁架(106)固定相连；在门架结构(107)之间通过桁架斜撑杆(103)支撑相连。The comprehensive operation trolley for the construction of air cushion type pressure regulating chamber of hydropower station according to claim 1, characterized in that: the platform system (1) includes multiple groups of truss columns (102); between two adjacent groups of truss columns (102) The top truss (101) and the middle truss (104) are fixedly connected to form a portal structure (107); the multiple sets of portal structures (107) are fixed by the top transverse truss (105) and the middle transverse truss (106) connected; the portal structures (107) are supported and connected by the truss diagonal braces (103).
  3. 根据权利要求2所述水电站气垫式调压室施工综合作业台车，其特征在于：所述台架***(1)的长度尺寸根据气调室长度、分缝位置及钢筋长度确定，长度尺寸取6～10m，并采用3-5榀门架结构拼装成一个刚性整体。The comprehensive operation trolley for the construction of air cushion type pressure regulating chamber of hydropower station according to claim 2, characterized in that: the length dimension of the platform system (1) is determined according to the length of the pressure regulating chamber, the joint position and the length of the steel bar, and the length dimension is 6~10m, and is assembled into a rigid whole using a 3-5 door frame structure.
  4. 根据权利要求1所述水电站气垫式调压室施工综合作业台车，其特征在于：所述平移***(6)包括通过锚栓(603)锚固的轨道底板(602)，轨道底板(602)支撑在调压室(20)的底部基础(2001)上；在轨道底板(602)的顶部固定有轨道(601)，轨道(601)与安装在台架***(1)的桁架立柱(102)底端的轨道轮(605)构成滚动配合，轨道轮(605)与用于驱动其沿着轨道(601)移动的液压爬轨器(604)相连；台架***(1)需要移动时，液压爬轨器(604)前端卡在轨道(601)上并牵引台架***(1)水平移动。The comprehensive operation trolley for the construction of air cushion type surge chamber of hydropower station according to claim 1, characterized in that: the translation system (6) includes a track bottom plate (602) anchored by anchor bolts (603), and the track bottom plate (602) supports On the bottom foundation (2001) of the pressure regulating chamber (20); a track (601) is fixed on the top of the track bottom plate (602), and the track (601) is connected to the bottom of the truss column (102) installed on the platform system (1) The track wheel (605) at the end constitutes a rolling fit, and the track wheel (605) is connected to the hydraulic track climber (604) used to drive it to move along the track (601); when the platform system (1) needs to move, the hydraulic track climber The front end of the device (604) is stuck on the track (601) and pulls the platform system (1) to move horizontally.
  5. 根据权利要求1所述水电站气垫式调压室施工综合作业台车，其特征在于：所述顶拱***(3)包括按照拱部内壁衬砌断面加工成的排架(302)，排架(302)之间用支撑杆(303)连接成一个刚性拱形体(304)，刚性拱形体(304)整体支撑在多组大行程液压千斤顶(301)的顶端，大行程液压千斤顶(301)支撑在台架***(1)的顶端，以满足平压系布设、钢筋绑扎、闭气钢板安装、灌浆工序，内壁拱顶混凝土衬砌时，在刚性拱形体(304)上安装拼装模板，分段完成顶拱混凝土施工。The comprehensive operation trolley for the construction of air cushion type surge chamber of hydropower station according to claim 1, characterized in that: the top arch system (3) includes a rack (302) processed according to the lining section of the inner wall of the arch, and the rack (302) ) are connected with support rods (303) to form a rigid arched body (304). The rigid arched body (304) is supported as a whole on the tops of multiple groups of large-stroke hydraulic jacks (301). The large-stroke hydraulic jacks (301) are supported on the platform. The top of the racking system (1) is to meet the requirements of flat compression system layout, steel bar binding, air-locking steel plate installation, and grouting processes. When the inner wall vault is lined with concrete, an assembled formwork is installed on the rigid arch body (304), and the top arch concrete is completed in sections. construction.
  6. 根据权利要求2所述水电站气垫式调压室施工综合作业台车，其特征在于：所述滑模***(2)包括竖直固定在台架***(1)的门架结构(107)与调压室(20)的底部基础(2001)之间的滑模爬杆(204)，滑模爬杆(204)上通过滑模千斤顶(203)配合安装有边 墙滑模(202)，边墙滑模(202)和台架***(1)的桁架立柱(102)之间设置有脱模千斤顶(201)，边墙滑模(202)的外侧壁上设置有用于侧墙浇筑的边墙模板(205)。The comprehensive operation trolley for the construction of air cushion type pressure regulating chamber of hydropower station according to claim 2, characterized in that: the sliding form system (2) includes a portal structure (107) vertically fixed on the platform system (1) and a regulating system. A sliding form climbing rod (204) is installed between the bottom foundation (2001) of the pressure chamber (20). A side wall sliding form (202) is installed on the sliding form climbing rod (204) through a sliding form jack (203). The side wall A demoulding jack (201) is provided between the sliding form (202) and the truss column (102) of the platform system (1), and a side wall formwork for side wall pouring is provided on the outer wall of the side wall sliding form (202). (205).
  7. 根据权利要求6所述水电站气垫式调压室施工综合作业台车，其特征在于：所述边墙滑模(202)采用轻型桁架结构，截面尺寸以1.2-1.5m，边墙滑模(202)长度与台架***(1)长度一致；轻型桁架结构竖面用普通钢模板拼装成模板，以满足边墙、端墙滑模要求，以分段完成边墙混凝土滑模施工；轻型桁架结构上平面铺设网纹钢板或木板作为工作平台；临空面设置栏杆并挂设安全网，确保作业安全。The comprehensive operation trolley for the construction of air cushion type pressure regulating chamber of hydropower station according to claim 6, characterized in that: the side wall sliding form (202) adopts a light truss structure, the cross-sectional size is 1.2-1.5m, and the side wall sliding form (202) ) length is consistent with the length of the bench system (1); the vertical surface of the light truss structure is assembled into formwork with ordinary steel formwork to meet the sliding form requirements of the side walls and end walls, so as to complete the concrete sliding form construction of the side wall in sections; light truss structure Lay reticulated steel plates or wooden boards on the upper surface as a working platform; set railings and hang safety nets on the empty surface to ensure operation safety.
  8. 根据权利要求1所述水电站气垫式调压室施工综合作业台车，其特征在于：所述提升***(4)包括固定在台架***(1)的门架结构上的提升葫芦(401)，所述提升葫芦(401)上缠绕有提升葫芦钢丝绳(402)。The comprehensive operation trolley for the construction of air cushion type surge chamber of hydropower station according to claim 1, characterized in that: the lifting system (4) includes a lifting hoist (401) fixed on the gantry structure of the platform system (1), The lifting hoist (401) is wound with a lifting hoist wire rope (402).
  9. 根据权利要求1所述水电站气垫式调压室施工综合作业台车，其特征在于：所述液压***(5)与平移***(6)的液压爬轨器(604)相连，并实现台车的平移就位；液压***(5)与顶拱***(3)的大行程液压千斤顶(301)相连，实现顶拱闭气钢板安装支撑、混凝土内壁衬砌支撑和脱模功能；液压***(5)与滑模***(2)的滑模千斤顶(203)相连，实施拉压结合悬吊式滑模；液压***(5)与滑模***(2)的脱模千斤顶(201)相连，实现边墙模板(205)的脱模。The comprehensive operation trolley for the construction of air cushion type pressure regulating chamber of hydropower station according to claim 1, characterized in that: the hydraulic system (5) is connected to the hydraulic rail climber (604) of the translation system (6), and realizes the movement of the trolley Translate into place; the hydraulic system (5) is connected to the large-stroke hydraulic jack (301) of the roof arch system (3) to realize the installation support of the roof arch air-locking steel plate, the concrete inner wall lining support and the demoulding function; the hydraulic system (5) is connected with the sliding The sliding form jack (203) of the formwork system (2) is connected to implement tension and compression combined with the suspended sliding formwork; the hydraulic system (5) is connected to the demoulding jack (201) of the sliding formwork system (2) to implement the side wall formwork ( 205) demoulding.
  10. 权利要求1-9任意一项所述水电站气垫式调压室施工综合作业台车的使用方法，其特征在于，包括以下步骤：The method of using the comprehensive operation trolley for the construction of air cushion type surge chamber of a hydropower station according to any one of claims 1 to 9, characterized in that it includes the following steps:
    步骤1，***制造：Step 1, system manufacturing:
    将台车的台架***(1)、顶拱***(3)和滑模***(2)在钢结构车间分件制造，并进行预组装和***试验，验收合格后，编号后解体运输；The platform system (1), top arch system (3) and sliding form system (2) of the trolley are manufactured in parts in the steel structure workshop, and pre-assembly and system testing are carried out. After passing the acceptance inspection, they are disassembled and transported after numbering;
    步骤2，现场安装：Step 2, on-site installation:
    2.1，首先浇筑气调室底板混凝土，留设台车平移***(6)的轨道埋件并铺设行走轨道，同时留设外层钢筋插筋和安装首层闭气钢板；2.1. First, pour the concrete for the floor of the air-controlled chamber, leave the track embedded parts of the trolley translation system (6) and lay the walking track. At the same time, leave the outer layer of steel bars inserted and install the first layer of air-locking steel plates;
    2.2，拼装台架***(1)、平移***(6)，连接所有支撑并加固，形成整体刚性结构；2.2. Assemble the platform system (1) and translation system (6), connect and reinforce all supports to form an overall rigid structure;
    2.3，安装布置滑模***(2)，并布置悬吊提升***(4)；2.3. Install and arrange the sliding form system (2) and arrange the suspension lifting system (4);
    2.4，在台架***(1)顶部安装固定顶拱***(3)；2.4. Install the fixed top arch system (3) on the top of the bench system (1);
    2.5，连接液压***(5)，并对平移***(6)、顶拱***(3)和滑模***(2)进行空载试验；2.5, connect the hydraulic system (5), and conduct a no-load test on the translation system (6), top arch system (3) and sliding form system (2);
    2.6，所有装置***调整完善后，即可投入使用；2.6. After all device systems are adjusted and completed, they can be put into use;
    步骤3，外层钢筋(11)的安装：Step 3, installation of outer steel bars (11):
    利用滑模***(2)作为工作平台，自下而上一次进行外层钢筋(11)的绑扎、加固；再利用顶拱***(3)作为工作平台进行顶拱外层钢筋绑扎、加固；Use the sliding form system (2) as a working platform to tie and reinforce the outer steel bars (11) from bottom to top; then use the top arch system (3) as a working platform to tie and reinforce the outer steel bars of the top arch;
    步骤4，平压***施工：Step 4, flat pressure system construction:
    利用滑模***(2)和顶拱***(3)作为工作平台，完成***平压孔(15)的钻孔施工和环向平压管(7)以及纵向平压管(14)的钢管安装工作；Use the sliding form system (2) and the top arch system (3) as the working platform to complete the drilling construction of the system flat pressure hole (15) and the steel pipe installation of the circumferential flat pressure pipe (7) and the longitudinal flat pressure pipe (14) ;
    步骤5，闭气钢板(13)的安装：Step 5, installation of air-holding steel plate (13):
    利用提升***(4)完成闭气钢板(13)的就位、焊接并使用拉筋加固到外层钢筋(11)上；利用滑模***(2)牢固支撑在台架***(1)上，以抵抗混凝土侧压力，确保回填混凝土时闭气钢板(13)不发生变形；边墙和端墙闭气钢板安装至拱肩位置、回填混凝土完成后，利用提升***(4)和顶拱***(3)完成顶拱闭气钢板安装、焊接、支撑、固定；Use the lifting system (4) to complete the positioning, welding and reinforcement of the air-locking steel plate (13) to the outer steel bar (11) using tie bars; use the sliding form system (2) to firmly support it on the platform system (1) to Resist the lateral pressure of the concrete to ensure that the air-locking steel plate (13) does not deform when backfilling concrete; the side wall and end wall air-locking steel plates are installed at the spandrel position and the backfilling of concrete is completed using the lifting system (4) and the top arch system (3). Installation, welding, support and fixation of roof arch air-locking steel plates;
    步骤6，外壁混凝土衬砌：Step 6, exterior wall concrete lining:
    每安装一层闭气钢板，就回填一次混凝土，直至边墙至拱肩位置；顶拱闭气钢板完成后，再进行顶拱外壁回填混凝土施工；Every time a layer of air-locking steel plates is installed, concrete is backfilled until the side wall reaches the spandrel position; after the top arch air-locking steel plates are completed, the outer wall of the top arch is backfilled with concrete;
    步骤7，外壁顶拱回填灌浆：Step 7, backfill grouting for the top arch of the outer wall:
    顶拱回填混凝土完成并待强后，再利用顶拱***(3)作为工作平台进行顶拱回填灌浆；After the top arch backfill concrete is completed and strengthened, the top arch system (3) is used as a working platform to perform top arch backfill grouting;
    步骤8，内层钢筋(12)的安装：Step 8, installation of inner steel bars (12):
    利用滑模***(2)、顶拱***(3)作为工作平台，边墙、端墙、拱顶钢筋一次绑扎到位，并通过拉筋与闭气钢板(13)连接牢靠；Using the sliding form system (2) and the roof arch system (3) as the working platform, the side wall, end wall, and vault steel bars are tied in place at one time, and are firmly connected to the air-locking steel plate (13) through tie bars;
    步骤9，内壁混凝土衬砌：Step 9, inner wall concrete lining:
    边墙利用拉压结合悬吊式滑模技术分段衬砌，顶拱混凝土利用顶拱***(3)滞后边墙分段衬砌；The side walls are lined in sections using tension and compression combined with suspended slip form technology, and the top arch concrete is lined in sections using the top arch system (3) lagging side walls;
    步骤10，内壁顶拱灌浆：Step 10, grouting of the inner wall crown:
    顶拱内壁回填混凝土完成并待强后，再利用顶拱***(3)作为工作平台进行顶拱回填灌浆、接触灌浆。After the inner wall of the roof arch is backfilled with concrete and has been strengthened, the roof arch system (3) is used as a working platform to carry out roof arch backfill grouting and contact grouting.
PCT/CN2022/133600 2022-07-25 2022-11-23 Comprehensive operation trolley for construction of air-cushion surge chamber of hydropower station, and using method thereof WO2024021388A1 (en)

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CN217761022U (en) * 2022-07-25 2022-11-08 中国水利电力对外有限公司 Comprehensive operation trolley for construction of air cushion type surge chamber of hydropower station
CN115306435A (en) * 2022-07-25 2022-11-08 中国水利电力对外有限公司 Hydropower station air cushion type surge chamber construction comprehensive operation trolley and use method thereof

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JP2014043739A (en) * 2012-08-28 2014-03-13 Shimizu Corp Tunnel lining form
JP2014070462A (en) * 2012-10-01 2014-04-21 Aisawa Construction Co Ltd Tunnel lining concrete curing device, and method for curing tunnel lining concrete
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