WO2021135038A1 - Method for construction of shaft lining - Google Patents
Method for construction of shaft lining Download PDFInfo
- Publication number
- WO2021135038A1 WO2021135038A1 PCT/CN2020/090407 CN2020090407W WO2021135038A1 WO 2021135038 A1 WO2021135038 A1 WO 2021135038A1 CN 2020090407 W CN2020090407 W CN 2020090407W WO 2021135038 A1 WO2021135038 A1 WO 2021135038A1
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- WO
- WIPO (PCT)
- Prior art keywords
- template
- hanging plate
- shaft
- formwork
- construction method
- Prior art date
Links
- 238000010276 construction Methods 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title abstract description 19
- 238000009415 formwork Methods 0.000 claims abstract description 93
- 239000000725 suspension Substances 0.000 claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 18
- 238000004873 anchoring Methods 0.000 claims abstract description 17
- 238000000926 separation method Methods 0.000 claims abstract description 4
- 238000007864 suspending Methods 0.000 claims abstract 3
- 230000007246 mechanism Effects 0.000 claims description 55
- 239000004567 concrete Substances 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D5/00—Lining shafts; Linings therefor
- E21D5/04—Lining shafts; Linings therefor with brick, concrete, stone, or similar building materials
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D5/00—Lining shafts; Linings therefor
- E21D5/12—Accessories for making shaft linings, e.g. suspended cradles, shutterings
Definitions
- the invention patent relates to the field of tunnel and underground engineering construction, in particular to a construction method of shaft lining.
- the lining is a permanent support structure built with reinforced concrete and other materials along the periphery of the tunnel to prevent deformation or collapse of the surrounding rock.
- the bracket method is generally used for construction.
- the scaffolding method in the prior art is to set up scaffolds in the shaft at certain intervals as the internal support of the mold, and use small steel templates to splice to form an internal mold for shaft lining construction.
- the scaffolding method lining has extremely high requirements on the site and is applicable For shafts with small depths, although the investment is small, the use of the scaffolding method for lining construction requires a lot of labor intensity.
- the scaffolding needs to be erected before the lining construction.
- the demoulding process is also troublesome, and the entire process consumes time. Defects such as long and complicated procedures, low efficiency and operator safety.
- Patent CN203905948U discloses a self-supporting integrated formwork system for lining circular shafts.
- the circular lining straight steel form, the circular lining straight inclined steel formwork and the circular lining inclined steel formwork form an external frame, and the formwork is straight to the straight mouth. Or the diagonally opposite inclined openings are connected by high-strength bolts.
- the formwork does not need to be built with scaffolding, transverse bracing and other supporting systems, and is self-supporting.
- This system solves the cumbersome support system, complicated disassembly and assembly, and difficulty in discharging and tamping in the construction of the circular shaft lining with the reverse construction method. , Insecurity and other issues.
- due to the large number of templates in this system in the assembly process of the templates, more templates need to be connected, which is very troublesome to operate.
- the purpose of the present invention is to provide a shaft lining construction method in view of the problems of high labor intensity, long time-consuming, complicated procedures, and low efficiency in the prior art.
- the lining construction device includes a hanging plate formwork device.
- the hanging plate formwork device is provided with at least two sets of formwork groups and connectors. At least two sets of formwork sets are spliced to form a circumferentially closed hollow columnar structure, thereby forming An inner mold used for shaft molding.
- the template group includes a first template and a second template. The first template and the second template are rotatably connected. The first template can be oriented toward the columnar structure around the connection between the first template and the second template. The hollow part rotates, and the second template can move along the radial direction of the columnar structure;
- Two adjacent formwork groups are detachably connected by connecting pieces, which are used to fix the first formwork and the second formwork during pouring,
- the construction method of shaft lining includes the following steps:
- Demoulding step when the poured shaft lining concrete reaches the demoulding strength, remove the connecting piece, and rotate the first formwork around the connection between the first formwork and the second formwork to the hollow part of the columnar structure to demould the first formwork. Then move the second template to the center of the hollow part of the columnar structure to separate the template group from the casted shaft wall.
- the hanging plate formwork device is provided with at least two sets of formwork groups and connectors, and at least two sets of formwork groups are spliced to form a circumferentially closed hollow columnar structure, thereby forming an inner mold for shaft forming.
- the formwork group includes a first The template and the second template. The first template and the second template are rotatably connected. The second template can move along the radial direction of the columnar structure to ensure that the template group can be demolded smoothly.
- the operator only needs to remove the connecting piece first, rotate the first template to the hollow part of the columnar structure around the connection between the first template and the second template, to disengage the first template, and then move the second template to the center of the hollow part of the columnar structure
- the template group can be separated from the casted shaft wall.
- the device is easy to operate.
- the first template and the second template can be spliced to form a larger template group by rotating the first template and the second template, thereby reducing the workload in the template assembly process without requiring a lot of manpower and material resources.
- the shaft lining construction can be completed, the construction speed is fast, and the work efficiency and construction progress are improved.
- the circumferentially closed hollow columnar structure in the present invention is used to provide an inner mold for forming a shaft.
- the template group adopts a splicing structure, and there must be a gap at the joint.
- a "circumferentially closed hollow columnar structure" is formed.
- the hanging plate formwork device includes an operating platform and a telescopic mechanism, the operating platform is located at the bottom of the hanging plate formwork device, one end of the telescopic mechanism is fixedly connected to the operating platform, and the other end of the telescopic mechanism is fixedly connected to the second formwork;
- the second formwork is moved by retracting the telescopic mechanism to separate the formwork group from the casted shaft wall.
- the lining construction device further includes a lifting device and a suspension anchoring device, the lifting device is located above the shaft, the suspension anchoring device is located at the head of the shaft, the operating platform is provided with a tightening mechanism, and the tightening mechanism includes a screw rod.
- the shaft lining construction method also includes:
- the lifting device lifts the hanging plate formwork device, then connects the hanging anchoring device and the hanging plate formwork device, hangs the hanging plate formwork device, places the hanging plate formwork device on the lining to be poured, and rotates the screw rod to extend the top
- the tightening mechanism uses the tightening mechanism to withstand the inner wall of the shaft to fix the hanging plate template device.
- the shaft lining construction method further includes:
- Separation step after demoulding, the jacking mechanism is retracted to separate the hanging plate formwork device from the casted shaft wall.
- the pouring step includes:
- Forming steps move the template group, and then fix the first template and the second template with the connecting piece to form a whole to complete the standing mold.
- the hanging plate formwork device further includes an upper hanging plate and a vertical column. One end of the column is fixedly connected with the upper hanging plate, and the other end of the column is fixedly connected with the operating platform.
- the material trough is arranged on the edge of the upper hanging plate to be inclined downward, and the lifting lugs are detachably connected with the lifting device.
- the pouring step further includes:
- the step of feeding the material into the mold using the lifting device to send the concrete to the upper hanging pan, and the material is fed into the mold through the guide trough.
- the hanging plate formwork device further includes a waterproof board, which is laid on the upper hanging plate, and before the lifting and suspension step, the shaft lining construction method further includes:
- Laying steps use the lifting device to lift the waterproof board, and lower it to the upper hanging pan, the operator lays the waterproof board on the upper hanging pan.
- laying the waterproof board on the upper hanging plate can play the role of waterproof protection.
- the shaft lining construction method further includes:
- Lashing steps hoist the pre-processed steel bars to the upper hanging plate, and the operator completes the lashing on the upper hanging plate.
- the hanging plate formwork device is lifted to the next lining to be poured to repeat the pouring step and demolding step.
- a connecting hole is provided on the template group, the connecting piece includes a plug pin, and the plug pin is detachably connected to the connecting hole.
- the connecting holes of the formwork group are provided with bolts for fixing the first formwork and the second formwork during pouring, so as to prevent the first formwork and the second formwork from being displaced by the pressure applied by the concrete during pouring.
- the hanging plate formwork device is provided with at least two sets of formwork groups and connecting pieces. At least two sets of formwork groups are spliced to form a circumferentially closed hollow columnar structure, thereby forming an inner mold for shaft forming.
- the formwork set includes a first template and a second template. Formwork, the first formwork and the second formwork are rotatably connected. The second formwork can move along the radial direction of the columnar structure to ensure that the formwork group can be demolded smoothly.
- the operator When the pouring is completed and the demoulding strength is reached, the operator only needs to First remove the connecting piece, rotate the first template to the hollow part of the columnar structure around the connection between the first template and the second template to separate the first template, and then move the second template to the center of the hollow part of the columnar structure to make the template
- the group is separated from the cast-shaped shaft wall.
- the device is easy to operate.
- the first template and the second template can be spliced to form a larger template group by rotating the first template and the second template, thereby reducing the workload in the template assembly process without requiring a lot of manpower and material resources.
- the shaft lining construction can be completed, the construction speed is fast, and the work efficiency and construction progress are improved.
- Fig. 1 is a schematic diagram of the structure when the lifting device of the present invention lifts the hanging plate formwork device.
- Fig. 2 is a schematic structural diagram of the suspension anchoring device of the present invention when the suspension plate formwork device is locked and suspended.
- Figure 3 is a schematic diagram of the structure of the hanging plate template device of the present invention.
- Fig. 4 is a schematic diagram of the structure of the upper hanging plate of the present invention.
- Figure 5 is a schematic diagram of the structure of the operating platform of the present invention.
- Fig. 6 is a partial enlarged view of area B in Fig. 5.
- Fig. 7 is a partial enlarged view of area A in Fig. 3.
- Icon 1- lifting device; 2- suspension anchoring device; 3- hanging plate template device; 4- column; 5- template group; 51- connecting hole; 52- first template; 53- second template; 6- telescopic Mechanism; 61-Strut; 7-Tightening mechanism; 8-Guide trough; 9-Upper suspension plate; 901-Hanging lugs; 902-cover plate; 10-operating platform.
- this embodiment provides a shaft lining device, which includes a lifting device 1, two suspension anchoring devices 2, a suspension plate template device 3.
- the lifting device 1 includes a gantry crane, which is located at Above the shaft, two suspension anchoring devices 2 are symmetrically fixed around the shaft head, and the suspension anchoring device 2 is provided with a suspension wire rope and a rope clamp;
- the hanging plate template device 3 includes an upper hanging plate 9, a column 4 and an operating platform 10.
- the two ends of the column 4 are respectively fixedly connected to the upper hanging plate 9 and the operating platform 10.
- the two ends of the column 4 They are bolted to the upper hanging plate 9 and the operating platform 10 respectively;
- the upper hanging plate 9 is provided with lifting lugs 901 and four material guide grooves 8 evenly arranged in the circumferential direction.
- the material guiding grooves 8 are arranged on the edge of the upper hanging plate 9 obliquely downwards.
- 901 enables the lifting device 1 to lift the suspension formwork device 3
- the suspension lugs 901 are connected with the wire ropes of the suspension anchoring device 2 to lock and hang the suspension formwork device 3 in the shaft, and the lower end of the guide trough 8 communicates with the pouring space. Enter the pouring space through the guide trough 8 to complete the blanking into the mold;
- the upper hanging plate 9 is provided with a through hole, and a cover plate 902 is arranged above the through hole. During the lowering of the material, the operator can open the cover plate 902 and enter the hanging plate template device 3 to escape. The cover plate 902 can prevent the material from falling. Play a protective role, an operator lays a waterproof board on the upper hanging plate 9, the upper hanging plate 9 can protect the operators in the shaft, and the upper hanging plate 9 also has an anti-corrosion effect;
- the operating platform 10 is provided with a template group 5, a telescopic mechanism 6, and a tightening mechanism 7;
- the template group 5 is composed of a first template 52 and a second template 53.
- the template group 5 is provided with a connecting hole 51.
- the connecting hole 51 is detachably provided with a connecting piece.
- the connecting piece includes a plug;
- the components can fix the first formwork 52 and the second formwork 53 to prevent the displacement of the first formwork 52 and the second formwork 53 after being subjected to the pressure of concrete.
- the formwork group 5 can be connected and combined to form a circumferentially closed hollow columnar structure.
- the template groups 5 are connected by hinge pins to form a circumferentially closed hollow cylindrical structure; the size of the first template 52 is smaller than the size of the second template 53, and the first template 52 and the second template 53 are movably connected Specifically, the first template 52 and the second template 53 are connected by hinge pins, the number of the guide grooves 8 is the same as the number of the template group 5, and the first template 52 can wrap around the first template 52 and the second template 53
- the joint moves toward the inner space of the axis of the operating platform 10, and the second template 53 can move in the radial direction.
- the movement in the radial direction in this embodiment means that the second template 53 can be displaced, and the displacement Have a displacement component in the radial direction of the operating platform 10;
- An installation slot is provided on the operating platform 10, and the installation slot is used to install the telescopic mechanism 6 and the jacking mechanism 7;
- One end of the telescopic mechanism 6 is fixedly connected to the operating platform 10, specifically, one end of the telescopic mechanism 6 is welded to the operating platform 10; the telescopic mechanism 6 includes wheels, struts 61 and screw rods.
- the inner wall of the second template 53 of the template group 5 is connected to The front end of the brace 61 of the telescopic mechanism 6 is fixedly connected, and the rear end of the brace 61 is fixed on the telescopic mechanism 6.
- the inner wall of the second template 53 of the template group 5 is welded to the front end of the brace 61 of the telescopic mechanism 5.
- the rear end of the strut 61 is welded to the telescopic mechanism 6; when not working, the wheels of the telescopic mechanism 6 are located in the installation groove, which can prevent the template group 5 fixedly connected to the telescopic mechanism 6 from overturning, and rotate the screw rod of the telescopic mechanism 6,
- the telescopic mechanism 6 can drive the second template 53 to extend outward through wheels. After the second template 53 is in place, turn the first template 52 to make it in place to complete the standing mold.
- the first template 52 rotates and shrinks around the hinge pin between the first template 52 and the second template 53 to the inner space of the hanging plate axis, so that the first template 52 is demolded, and then the screw rod is turned in the opposite direction to cause the telescopic mechanism 6 to drive the second template 53 to shrink and take off. Mold so that the template group 5 is separated from the casted shaft wall;
- the tail of the tightening mechanism 7 is fixedly connected to the operating platform 10, specifically, the tail of the tightening mechanism 7 is welded to the operating platform 10;
- the tightening mechanism 7 includes a roller screw mechanism, and the tail of the roller screw mechanism is fixed to the tightening mechanism 7 Connecting, the tightening mechanism 7 can be extended by rotating the screw rod, and the tightening mechanism 7 can be extended to make it bear against the shaft wall to fix the position of the hanging plate template device 3 in the shaft; after the lining pouring work is completed, rotate the wire in the opposite direction The rod retracts the tightening mechanism 7 so as to be separated from the shaft wall;
- This embodiment also provides a shaft lining construction method, which is carried out by the above-mentioned shaft lining device, and the construction method includes the following steps:
- Lashing steps hoist the pre-processed steel bars to the upper hanging plate 9, and the operator completes the lashing on the upper hanging plate 9;
- Lifting device 1 lifts the hanging plate formwork device 3, then connects the hanging anchoring device 2 and the hanging plate formwork device 3, hangs the hanging plate formwork device 3, and places the hanging plate formwork device 3 at the current pouring position and rotates
- the tightening mechanism 7 uses the tightening mechanism 7 to press against the inner wall of the shaft to fix the hanging plate formwork device 3;
- Forming steps rotate the telescopic mechanism 6 to extend the template group 5, and adjust the center line of the template group 5 to make it consistent with the shape and position of the shaft structure, and then insert the plug into the connecting hole 51 to form a cylindrical whole to complete the vertical mold;
- Unloading into the mold step using the lifting device 1 to send the concrete to the upper hanging pan 9 and unloading into the mold through the guide groove 8;
- the upper hanging plate 9 and the operating platform 10 are fixedly connected to form a whole through the column 4, the upper hanging plate 9 is provided with a through hole, and a cover plate 902 is provided above the through hole.
- the operator can open the cover plate 902 and pass through the through hole Enter into the hanging plate formwork device 3 to escape, the cover plate 902 can prevent the material from falling and hurting the operator, playing a protective role, and the upper hanging plate 9 itself can also play a role of protection and anti-corrosion;
- the telescopic mechanism 6 includes wheels, a brace 61 and a screw rod.
- the front end of the brace 61 is fixedly connected to the inner wall of the second template 53 of the template group 5, the screw rod is rotated, and the telescopic mechanism 6
- the wheels can drive the second template 53 to extend.
- the second template 53 separates the template group 5 from the casted shaft wall; the operation process is simple, and the first template 52 and the second template 53 can be spliced to form a larger one by rotating the first template 52 and the second template 53
- the template group 5 can reduce the workload in the template assembly process, and can complete the lining pouring construction work without a lot of manpower and material resources, which improves the work efficiency and construction schedule;
- the shaft lining construction method utilizes the shaft lining device for construction, can complete the shaft lining construction work simply, quickly and safely, and saves time, manpower and material resources.
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Abstract
A method for construction of a shaft lining. A hanging scaffold-formwork device (3), a lifting device (1) and a suspension and anchoring device (2) are used to perform the following steps of the method for construction of a shaft lining: laying, tying, lifting, suspending and anchoring, formwork erection, material feeding and formwork filling, formwork removal, and separation. The method for construction of a shaft lining enables construction of a shaft lining to be completed easily, quickly and safely, thereby reducing the required time, amount of labor and materials, while improving work efficiency, and accelerating construction.
Description
本发明专利涉及隧道及地下工程施工领域,特别涉及一种竖井衬砌施工方法。The invention patent relates to the field of tunnel and underground engineering construction, in particular to a construction method of shaft lining.
在现有技术中,衬砌就是防止围岩变形或坍塌,沿隧道洞身周边用钢筋混凝土等材料修建的永久性支护结构。在山及水利工程等深竖井衬砌混凝土结构工程的施工过程中,一般采用支架法进行施工。In the prior art, the lining is a permanent support structure built with reinforced concrete and other materials along the periphery of the tunnel to prevent deformation or collapse of the surrounding rock. In the construction of deep shaft lining concrete structures such as mountain and water conservancy projects, the bracket method is generally used for construction.
现有技术中的支架法是在竖井中按一定间隔的搭设脚手架作为模具的内支撑、利用小块钢模板拼接形成内模进行竖井衬砌施工的方法,支架法衬砌对场地的要求极高,适用于深度不大的竖井,虽然投入较小,但是采用支架法进行衬砌施工存在搭设脚手架需要的劳动强度很大、需要先搭设脚手架再进行衬砌施工、脱模过程也较为麻烦,整个过程消耗的时间长且工序复杂、功效较低以及操作人员安全等缺陷。The scaffolding method in the prior art is to set up scaffolds in the shaft at certain intervals as the internal support of the mold, and use small steel templates to splice to form an internal mold for shaft lining construction. The scaffolding method lining has extremely high requirements on the site and is applicable For shafts with small depths, although the investment is small, the use of the scaffolding method for lining construction requires a lot of labor intensity. The scaffolding needs to be erected before the lining construction. The demoulding process is also troublesome, and the entire process consumes time. Defects such as long and complicated procedures, low efficiency and operator safety.
专利CN203905948U公开了一种圆形竖井内衬用自承一体模板体系,圆形衬砌直口钢、圆形衬砌直斜口钢模板和圆形衬砌斜口钢模板构成外部框架,模板直对直口或斜对斜口通过高强螺栓连接,模板无需搭设脚手架、横撑等支撑体系,自承一体,该体系解决了逆作法圆形竖井内衬施工中支撑体系繁琐、拆装复杂、放料及捣鼓困难、不安全等问题。但由于该体系中模板数量众多,在模板的组装过程中,需要连接较多的模板,操作十分麻烦。Patent CN203905948U discloses a self-supporting integrated formwork system for lining circular shafts. The circular lining straight steel form, the circular lining straight inclined steel formwork and the circular lining inclined steel formwork form an external frame, and the formwork is straight to the straight mouth. Or the diagonally opposite inclined openings are connected by high-strength bolts. The formwork does not need to be built with scaffolding, transverse bracing and other supporting systems, and is self-supporting. This system solves the cumbersome support system, complicated disassembly and assembly, and difficulty in discharging and tamping in the construction of the circular shaft lining with the reverse construction method. , Insecurity and other issues. However, due to the large number of templates in this system, in the assembly process of the templates, more templates need to be connected, which is very troublesome to operate.
发明内容Summary of the invention
本发明的目的在于:针对现有技术存在的劳动强度大、耗时长、工序复杂、功效较低的问题,提供一种竖井衬砌施工方法。The purpose of the present invention is to provide a shaft lining construction method in view of the problems of high labor intensity, long time-consuming, complicated procedures, and low efficiency in the prior art.
为了实现上述目的,本发明采用的技术方案为:In order to achieve the above objectives, the technical solutions adopted by the present invention are as follows:
一种竖井衬砌施工方法,衬砌的施工装置包括吊盘模板装置,吊盘模板装置上设有至少两组模板组和连接件,至少两组模板组拼接形成周向封闭的中空柱状结构,从而形成用于竖井成型的内模,模板组包括第一模板和第二模板,第一模板与第二模板可转动地连接,第一模板能够绕第一模板与第二模板的连接处向柱状结构的中空部分转动,第二模板能够沿柱状结构的径向方向运动;A construction method for shaft lining. The lining construction device includes a hanging plate formwork device. The hanging plate formwork device is provided with at least two sets of formwork groups and connectors. At least two sets of formwork sets are spliced to form a circumferentially closed hollow columnar structure, thereby forming An inner mold used for shaft molding. The template group includes a first template and a second template. The first template and the second template are rotatably connected. The first template can be oriented toward the columnar structure around the connection between the first template and the second template. The hollow part rotates, and the second template can move along the radial direction of the columnar structure;
相邻两个模板组通过连接件可拆卸地连接,连接件用于在浇筑时固定第一模板和第二模板,Two adjacent formwork groups are detachably connected by connecting pieces, which are used to fix the first formwork and the second formwork during pouring,
竖井衬砌施工方法包括以下步骤:The construction method of shaft lining includes the following steps:
浇筑步骤:将吊盘模板装置置于竖井中,向吊盘模板装置外侧浇筑混凝土;Pouring steps: Place the hanging plate formwork device in the shaft, and pour concrete to the outside of the hanging plate formwork device;
脱模步骤:当浇筑的竖井衬砌混凝土达到拆模强度后,取下连接件,将第一模板绕第一模板与第二模板的连接处向柱状结构的中空部分转动使第一模板脱模,然后向柱状结构的中空部分的中心处移动第二模板使模板组与已浇筑的竖井井壁分离。Demoulding step: when the poured shaft lining concrete reaches the demoulding strength, remove the connecting piece, and rotate the first formwork around the connection between the first formwork and the second formwork to the hollow part of the columnar structure to demould the first formwork. Then move the second template to the center of the hollow part of the columnar structure to separate the template group from the casted shaft wall.
通过上述方案,吊盘模板装置上设有至少两组模板组和连接件,至少两组模板组拼接形成周向封闭的中空柱状结构,从而形成用于竖井成型的内模,模板组包括第一模板和第二模板,第一模板与第二模板可转动地连接,第二模板能够沿柱状结构的径向方向运动是为了确保模板组能够顺利脱模,当浇筑完成且达到拆模强度后,操作人员只需先取下连接件,绕第一模板与第二模板的连接处向柱状结构的中空部分转动第一模板使第一模板脱离,再向柱状结构的中空部分的中心处移动第二模板即可使模板组与已浇筑成型的竖井井壁分离。该装置操作简单,可以通过转动第一模板和第二模板,使第一模板和第二模板拼接形成更大的模板组,从而可以减少模板组装过程中的工作量,不需要大量的人力物力就可以完成竖井衬砌施工,施工速度快,提高了工作效率和施工进度。Through the above solution, the hanging plate formwork device is provided with at least two sets of formwork groups and connectors, and at least two sets of formwork groups are spliced to form a circumferentially closed hollow columnar structure, thereby forming an inner mold for shaft forming. The formwork group includes a first The template and the second template. The first template and the second template are rotatably connected. The second template can move along the radial direction of the columnar structure to ensure that the template group can be demolded smoothly. When the pouring is completed and the demolding strength is reached, The operator only needs to remove the connecting piece first, rotate the first template to the hollow part of the columnar structure around the connection between the first template and the second template, to disengage the first template, and then move the second template to the center of the hollow part of the columnar structure The template group can be separated from the casted shaft wall. The device is easy to operate. The first template and the second template can be spliced to form a larger template group by rotating the first template and the second template, thereby reducing the workload in the template assembly process without requiring a lot of manpower and material resources. The shaft lining construction can be completed, the construction speed is fast, and the work efficiency and construction progress are improved.
本发明中的周向封闭的中空柱状结构是用于提供竖井成型的内模,由模板 组采用拼接结构,其连接处必然存在间隙。在本方案中,只要模板组之间能够用于浇筑形成内模,即可认为形成了“周向封闭的中空柱状结构”。The circumferentially closed hollow columnar structure in the present invention is used to provide an inner mold for forming a shaft. The template group adopts a splicing structure, and there must be a gap at the joint. In this solution, as long as the template groups can be used for pouring to form an inner mold, it can be considered that a "circumferentially closed hollow columnar structure" is formed.
作为本发明的优选方案,吊盘模板装置包括操作平台和伸缩机构,操作平台位于吊盘模板装置的底部,伸缩机构的一端与操作平台固定连接,伸缩机构的另一端与第二模板固定连接;As a preferred solution of the present invention, the hanging plate formwork device includes an operating platform and a telescopic mechanism, the operating platform is located at the bottom of the hanging plate formwork device, one end of the telescopic mechanism is fixedly connected to the operating platform, and the other end of the telescopic mechanism is fixedly connected to the second formwork;
在脱模步骤中:In the demolding step:
通过缩回伸缩机构来移动第二模板使模板组与已浇筑的竖井井壁分离。通过上述方案,脱模时,第一模板先绕第一模板与第二模板的连接处向柱状结构的中空部分转动使其脱开一个空间,再通过伸缩机构收回第二模板,便于第二模板的脱落以及回收。The second formwork is moved by retracting the telescopic mechanism to separate the formwork group from the casted shaft wall. Through the above solution, when demolding, the first template first rotates around the connection between the first template and the second template to the hollow part of the columnar structure to release a space, and then retracts the second template through the telescopic mechanism to facilitate the second template Falling off and recycling.
作为本发明的优选方案,衬砌施工装置还包括提升装置和悬吊锚固装置,提升装置位于竖井上方,悬吊锚固装置位于竖井井口,操作平台设有顶紧机构,顶紧机构包括丝杆,在实施浇筑步骤之前,竖井衬砌施工方法还包括:As a preferred solution of the present invention, the lining construction device further includes a lifting device and a suspension anchoring device, the lifting device is located above the shaft, the suspension anchoring device is located at the head of the shaft, the operating platform is provided with a tightening mechanism, and the tightening mechanism includes a screw rod. Before implementing the pouring step, the shaft lining construction method also includes:
提升悬固步骤:提升装置提升吊盘模板装置,然后连接悬吊锚固装置与吊盘模板装置,将吊盘模板装置悬挂,将吊盘模板装置放置于待浇筑衬砌处,转动丝杆伸出顶紧机构,利用顶紧机构顶住竖井内壁从而固定吊盘模板装置。通过上述方案,悬吊锚固装置将吊盘模板装置锁定悬挂在竖井中后,操作平台上的顶紧机构用于顶住竖井四周已浇筑的混凝土面从而固定吊盘模板装置。Lifting and suspension steps: the lifting device lifts the hanging plate formwork device, then connects the hanging anchoring device and the hanging plate formwork device, hangs the hanging plate formwork device, places the hanging plate formwork device on the lining to be poured, and rotates the screw rod to extend the top The tightening mechanism uses the tightening mechanism to withstand the inner wall of the shaft to fix the hanging plate template device. Through the above solution, after the suspension anchoring device locks and hangs the hanging plate formwork device in the shaft, the tightening mechanism on the operating platform is used to withstand the poured concrete surface around the shaft to fix the hanging plate formwork device.
作为本发明的优选方案,在脱模步骤完成后,竖井衬砌施工方法还包括:As a preferred solution of the present invention, after the demolding step is completed, the shaft lining construction method further includes:
分离步骤:脱模后将顶紧机构收回使吊盘模板装置与已浇筑的竖井井壁分离。Separation step: after demoulding, the jacking mechanism is retracted to separate the hanging plate formwork device from the casted shaft wall.
作为本发明的优选方案,浇筑步骤包括:As a preferred solution of the present invention, the pouring step includes:
立模步骤:移动模板组,再用连接件固定第一模板和第二模板,使其形成一个整体完成立模。Forming steps: move the template group, and then fix the first template and the second template with the connecting piece to form a whole to complete the standing mold.
作为本发明的优选方案,吊盘模板装置还包括上吊盘和立柱,立柱的一端与上吊盘固定连接,立柱的另一端与操作平台固定连接,上吊盘上设有吊耳和导料槽,导料槽向下倾斜地设置在上吊盘的边缘,吊耳与提升装置可拆卸地连接,浇筑步骤还包括:As a preferred solution of the present invention, the hanging plate formwork device further includes an upper hanging plate and a vertical column. One end of the column is fixedly connected with the upper hanging plate, and the other end of the column is fixedly connected with the operating platform. The material trough is arranged on the edge of the upper hanging plate to be inclined downward, and the lifting lugs are detachably connected with the lifting device. The pouring step further includes:
下料入模步骤:利用提升装置将混凝土送至上吊盘上,并通过导料槽下料入模。通过上述方案,吊耳用于提升设备提升吊盘模板装置时的悬吊以及悬吊锚固装置对吊盘模板装置的锁定悬挂,导料槽用于为混凝土的下料入模提供通道,同时上吊盘本身也起到保护和防腐的作用。The step of feeding the material into the mold: using the lifting device to send the concrete to the upper hanging pan, and the material is fed into the mold through the guide trough. Through the above solution, the lifting lugs are used for the suspension of the lifting equipment when lifting the suspension plate formwork device and the suspension anchoring device to lock and suspend the suspension plate formwork device, and the material guide groove is used to provide a passage for the unloading and entering of the concrete form, and at the same time the lifting The disc itself also plays a role of protection and anti-corrosion.
作为本发明的优选方案,吊盘模板装置还包括防水板,防水板铺设在上吊盘上,在进行提升悬固步骤之前,竖井衬砌施工方法还包括:As a preferred solution of the present invention, the hanging plate formwork device further includes a waterproof board, which is laid on the upper hanging plate, and before the lifting and suspension step, the shaft lining construction method further includes:
铺设步骤:利用提升装置提升防水板,并下放至上吊盘上,操作人员在上吊盘上铺设好防水板。通过上述方案,防水板铺设在上吊盘上能够起到防水保护的作用。Laying steps: use the lifting device to lift the waterproof board, and lower it to the upper hanging pan, the operator lays the waterproof board on the upper hanging pan. Through the above solution, laying the waterproof board on the upper hanging plate can play the role of waterproof protection.
作为本发明的优选方案,完成铺设步骤后,竖井衬砌施工方法还包括:As a preferred solution of the present invention, after the laying step is completed, the shaft lining construction method further includes:
绑扎步骤:将预先加工成型的钢筋吊装至上吊盘上,操作人员在上吊盘上完成绑扎。Lashing steps: hoist the pre-processed steel bars to the upper hanging plate, and the operator completes the lashing on the upper hanging plate.
作为本发明的优选方案,完成脱模步骤后,将吊盘模板装置提升至下一个待浇筑衬砌处重复浇筑步骤和脱模步骤。As a preferred solution of the present invention, after the demolding step is completed, the hanging plate formwork device is lifted to the next lining to be poured to repeat the pouring step and demolding step.
作为本发明的优选方案,模板组上设有连接孔,连接件包括插销,插销与连接孔可拆卸地连接。通过上述结构,模板组的连接孔中设有插销用于在浇筑时固定第一模板和第二模板,避免第一模板与第二模板在浇筑时受到混凝土施加的压力从而发生位移。As a preferred solution of the present invention, a connecting hole is provided on the template group, the connecting piece includes a plug pin, and the plug pin is detachably connected to the connecting hole. Through the above structure, the connecting holes of the formwork group are provided with bolts for fixing the first formwork and the second formwork during pouring, so as to prevent the first formwork and the second formwork from being displaced by the pressure applied by the concrete during pouring.
综上所述,由于采用了上述技术方案,本发明的有益效果是:In summary, due to the adoption of the above technical solutions, the beneficial effects of the present invention are:
吊盘模板装置上设有至少两组模板组和连接件,至少两组模板组拼接形成 周向封闭的中空柱状结构,从而形成用于竖井成型的内模,模板组包括第一模板和第二模板,第一模板与第二模板可转动地连接,第二模板能够沿柱状结构的径向方向运动是为了确保模板组能够顺利脱模,当浇筑完成且达到拆模强度后,操作人员只需先取下连接件,绕第一模板与第二模板的连接处向柱状结构的中空部分转动第一模板使第一模板脱离,再向柱状结构的中空部分的中心处移动第二模板即可使模板组与已浇筑成型的竖井井壁分离。该装置操作简单,可以通过转动第一模板和第二模板,使第一模板和第二模板拼接形成更大的模板组,从而可以减少模板组装过程中的工作量,不需要大量的人力物力就可以完成竖井衬砌施工,施工速度快,提高了工作效率和施工进度。The hanging plate formwork device is provided with at least two sets of formwork groups and connecting pieces. At least two sets of formwork groups are spliced to form a circumferentially closed hollow columnar structure, thereby forming an inner mold for shaft forming. The formwork set includes a first template and a second template. Formwork, the first formwork and the second formwork are rotatably connected. The second formwork can move along the radial direction of the columnar structure to ensure that the formwork group can be demolded smoothly. When the pouring is completed and the demoulding strength is reached, the operator only needs to First remove the connecting piece, rotate the first template to the hollow part of the columnar structure around the connection between the first template and the second template to separate the first template, and then move the second template to the center of the hollow part of the columnar structure to make the template The group is separated from the cast-shaped shaft wall. The device is easy to operate. The first template and the second template can be spliced to form a larger template group by rotating the first template and the second template, thereby reducing the workload in the template assembly process without requiring a lot of manpower and material resources. The shaft lining construction can be completed, the construction speed is fast, and the work efficiency and construction progress are improved.
图1是本发明所述提升装置提升所述吊盘模板装置时的结构示意图。Fig. 1 is a schematic diagram of the structure when the lifting device of the present invention lifts the hanging plate formwork device.
图2是本发明所述悬吊锚固装置锁定悬挂所述吊盘模板装置时的结构示意图。Fig. 2 is a schematic structural diagram of the suspension anchoring device of the present invention when the suspension plate formwork device is locked and suspended.
图3是本发明所述的吊盘模板装置的结构示意图。Figure 3 is a schematic diagram of the structure of the hanging plate template device of the present invention.
图4是本发明所述上吊盘的结构示意图。Fig. 4 is a schematic diagram of the structure of the upper hanging plate of the present invention.
图5是本发明所述操作平台的结构示意图。Figure 5 is a schematic diagram of the structure of the operating platform of the present invention.
图6是图5的B区域的局部放大图。Fig. 6 is a partial enlarged view of area B in Fig. 5.
图7是图3的A区域的局部放大图。Fig. 7 is a partial enlarged view of area A in Fig. 3.
图标:1-提升装置;2-悬吊锚固装置;3-吊盘模板装置;4-立柱;5-模板组;51-连接孔;52-第一模板;53-第二模板;6-伸缩机构;61-撑杆;7-顶紧机构;8-导料槽;9-上吊盘;901-吊耳;902-盖板;10-操作平台。Icon: 1- lifting device; 2- suspension anchoring device; 3- hanging plate template device; 4- column; 5- template group; 51- connecting hole; 52- first template; 53- second template; 6- telescopic Mechanism; 61-Strut; 7-Tightening mechanism; 8-Guide trough; 9-Upper suspension plate; 901-Hanging lugs; 902-cover plate; 10-operating platform.
下面结合附图,对本发明作详细的说明。The present invention will be described in detail below in conjunction with the accompanying drawings.
为了使本发明的目的、技术方案及优点更加清楚明白,以下结合附图及实施例,对本发明进行进一步详细说明。应当理解,此处所描述的具体实施例仅用以解释本发明,并不用于限定本发明。In order to make the objectives, technical solutions, and advantages of the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not used to limit the present invention.
实施例Example
如图1-2所示,本实施例提供了一种竖井衬砌装置,包括提升装置1、两个悬吊锚固装置2、吊盘模板装置3,提升装置1包括门式起重机,门式起重机位于竖井上方,两个悬吊锚固装置2对称固定在竖井口的四周,悬吊锚固装置2上设有悬吊钢丝绳和绳卡;As shown in Figure 1-2, this embodiment provides a shaft lining device, which includes a lifting device 1, two suspension anchoring devices 2, a suspension plate template device 3. The lifting device 1 includes a gantry crane, which is located at Above the shaft, two suspension anchoring devices 2 are symmetrically fixed around the shaft head, and the suspension anchoring device 2 is provided with a suspension wire rope and a rope clamp;
如图1-3所示,吊盘模板装置3包括上吊盘9、立柱4和操作平台10,立柱4的两端分别与上吊盘9和操作平台10固定连接,具体地,立柱4的两端分别与上吊盘9和操作平台10螺栓连接;As shown in Figures 1-3, the hanging plate template device 3 includes an upper hanging plate 9, a column 4 and an operating platform 10. The two ends of the column 4 are respectively fixedly connected to the upper hanging plate 9 and the operating platform 10. Specifically, the two ends of the column 4 They are bolted to the upper hanging plate 9 and the operating platform 10 respectively;
如图3-4所示,上吊盘9上设有在周向上均匀设置的吊耳901和四个导料槽8,同时导料槽8向下倾斜地设置在上吊盘9的边缘,吊耳901使提升装置1能够提升吊盘模板装置3,吊耳901与悬吊锚固装置2的钢丝绳连接能够使吊盘模板装置3锁定悬挂在竖井中,导料槽8的下端与浇筑空间连通,混凝土通过导料槽8进入浇筑空间完成下料入模;As shown in Figure 3-4, the upper hanging plate 9 is provided with lifting lugs 901 and four material guide grooves 8 evenly arranged in the circumferential direction. At the same time, the material guiding grooves 8 are arranged on the edge of the upper hanging plate 9 obliquely downwards. 901 enables the lifting device 1 to lift the suspension formwork device 3, the suspension lugs 901 are connected with the wire ropes of the suspension anchoring device 2 to lock and hang the suspension formwork device 3 in the shaft, and the lower end of the guide trough 8 communicates with the pouring space. Enter the pouring space through the guide trough 8 to complete the blanking into the mold;
上吊盘9上设有通孔,通孔上方设有盖板902,在物料下放过程中,操作人员能够打开盖板902进入吊盘模板装置3中进行躲避,盖板902能够防止物料掉落,起到保护作用,一名操作人员在上吊盘9上铺设有防水板,上吊盘9对竖井中的操作人员能够起到一个保护作用,同时上吊盘9还具有防腐作用;The upper hanging plate 9 is provided with a through hole, and a cover plate 902 is arranged above the through hole. During the lowering of the material, the operator can open the cover plate 902 and enter the hanging plate template device 3 to escape. The cover plate 902 can prevent the material from falling. Play a protective role, an operator lays a waterproof board on the upper hanging plate 9, the upper hanging plate 9 can protect the operators in the shaft, and the upper hanging plate 9 also has an anti-corrosion effect;
如图3、图5所示,操作平台10上设有模板组5、伸缩机构6、顶紧机构7;As shown in Figure 3 and Figure 5, the operating platform 10 is provided with a template group 5, a telescopic mechanism 6, and a tightening mechanism 7;
模板组5由第一模板52和第二模板53组成,模板组5上设有连接孔51,连接孔51中可拆卸地设有连接件,具体地,连接件包括插销;浇筑时,通过连接件能够固定第一模板52和第二模板53,防止第一模板52和第二模板53受到混凝土施加的压力后产生位移,模板组5之间能够连接组合形成周向封闭的中 空柱状结构,具体地,模板组5之间通过铰销连接组合形成周向封闭的中空柱状结构;第一模板52的尺寸小于第二模板53的尺寸,第一模板52与第二模板53之间可活动地连接,具体地,第一模板52与第二模板53之间通过铰销连接,导料槽8的数量与模板组5的数量相同,第一模板52能够绕第一模板52与第二模板53的连接处向操作平台10的轴心内空间活动,第二模板53能够沿着径向方向运动,本实施例中的沿着径向方向运动是指能够第二模板53能够产生位移,且该位移在操作平台10的径向方向上具有位移分量;The template group 5 is composed of a first template 52 and a second template 53. The template group 5 is provided with a connecting hole 51. The connecting hole 51 is detachably provided with a connecting piece. Specifically, the connecting piece includes a plug; The components can fix the first formwork 52 and the second formwork 53 to prevent the displacement of the first formwork 52 and the second formwork 53 after being subjected to the pressure of concrete. The formwork group 5 can be connected and combined to form a circumferentially closed hollow columnar structure. Ground, the template groups 5 are connected by hinge pins to form a circumferentially closed hollow cylindrical structure; the size of the first template 52 is smaller than the size of the second template 53, and the first template 52 and the second template 53 are movably connected Specifically, the first template 52 and the second template 53 are connected by hinge pins, the number of the guide grooves 8 is the same as the number of the template group 5, and the first template 52 can wrap around the first template 52 and the second template 53 The joint moves toward the inner space of the axis of the operating platform 10, and the second template 53 can move in the radial direction. The movement in the radial direction in this embodiment means that the second template 53 can be displaced, and the displacement Have a displacement component in the radial direction of the operating platform 10;
操作平台10上设有安装槽,安装槽用于安装伸缩机构6和顶紧机构7;An installation slot is provided on the operating platform 10, and the installation slot is used to install the telescopic mechanism 6 and the jacking mechanism 7;
伸缩机构6的一端与操作平台10固定连接,具体地,伸缩机构6的一端与操作平台10焊接;伸缩机构6包括轮子、撑杆61和丝杆,模板组5的第二模板53的内壁与伸缩机构6的撑杆61的前端固定连接,撑杆61的后端固定在伸缩机构6上,具体地,模板组5的第二模板53的内壁与伸缩机构5的撑杆61的前端焊接,撑杆61的后端与伸缩机构6焊接;不工作时,伸缩机构6的轮子位于安装槽中,能够防止与伸缩机构6固定连接的模板组5向外倾覆,转动伸缩机构6的丝杆,伸缩机构6通过轮子能够带动第二模板53向外伸出,第二模板53到位后再转动第一模板52使其到位完成立模,衬砌浇筑完毕且到达拆模强度后,先将第一模板52绕第一模板52和第二模板53之间的铰销向吊盘轴心内空间回转收缩使第一模板52脱模,然后反方向转动丝杆使伸缩机构6带动第二模板53收缩脱模从而使模板组5脱离已浇筑成型的竖井井壁;One end of the telescopic mechanism 6 is fixedly connected to the operating platform 10, specifically, one end of the telescopic mechanism 6 is welded to the operating platform 10; the telescopic mechanism 6 includes wheels, struts 61 and screw rods. The inner wall of the second template 53 of the template group 5 is connected to The front end of the brace 61 of the telescopic mechanism 6 is fixedly connected, and the rear end of the brace 61 is fixed on the telescopic mechanism 6. Specifically, the inner wall of the second template 53 of the template group 5 is welded to the front end of the brace 61 of the telescopic mechanism 5. The rear end of the strut 61 is welded to the telescopic mechanism 6; when not working, the wheels of the telescopic mechanism 6 are located in the installation groove, which can prevent the template group 5 fixedly connected to the telescopic mechanism 6 from overturning, and rotate the screw rod of the telescopic mechanism 6, The telescopic mechanism 6 can drive the second template 53 to extend outward through wheels. After the second template 53 is in place, turn the first template 52 to make it in place to complete the standing mold. After the lining is poured and the mold removal strength is reached, the first template 52 rotates and shrinks around the hinge pin between the first template 52 and the second template 53 to the inner space of the hanging plate axis, so that the first template 52 is demolded, and then the screw rod is turned in the opposite direction to cause the telescopic mechanism 6 to drive the second template 53 to shrink and take off. Mold so that the template group 5 is separated from the casted shaft wall;
顶紧机构7的尾部与操作平台10固定连接,具体地,顶紧机构7的尾部与操作平台10焊接;顶紧机构7包括滚轮丝杆机构,滚轮丝杆机构的尾部与顶紧机构7固定连接,通过转动丝杆能够伸出顶紧机构7,伸出顶紧机构7使其顶住竖井井壁从而固定吊盘模板装置3在竖井中的位置;衬砌浇筑工作完成后,反方向转动丝杆使顶紧机构7回缩从而与竖井井壁分离;The tail of the tightening mechanism 7 is fixedly connected to the operating platform 10, specifically, the tail of the tightening mechanism 7 is welded to the operating platform 10; the tightening mechanism 7 includes a roller screw mechanism, and the tail of the roller screw mechanism is fixed to the tightening mechanism 7 Connecting, the tightening mechanism 7 can be extended by rotating the screw rod, and the tightening mechanism 7 can be extended to make it bear against the shaft wall to fix the position of the hanging plate template device 3 in the shaft; after the lining pouring work is completed, rotate the wire in the opposite direction The rod retracts the tightening mechanism 7 so as to be separated from the shaft wall;
本实施例还提供了一种竖井衬砌施工方法,通过上述竖井衬砌装置进行施 工,该施工方法包括以下步骤:This embodiment also provides a shaft lining construction method, which is carried out by the above-mentioned shaft lining device, and the construction method includes the following steps:
在前一浇筑位置的浇筑步骤完成后,进行当前浇筑位置的铺设步骤和绑扎步骤:After the pouring step of the previous pouring position is completed, carry out the laying steps and binding steps of the current pouring position:
铺设步骤:利用提升装置1提升防水板,并下放至上吊盘9上,操作人员在上吊盘9上铺设好防水板;Laying steps: use the lifting device 1 to lift the waterproof board and lower it on the upper hanging pan 9. The operator lays the waterproof board on the upper hanging pan 9;
绑扎步骤:将预先加工成型的钢筋吊装至上吊盘9上,操作人员在上吊盘9上完成绑扎;Lashing steps: hoist the pre-processed steel bars to the upper hanging plate 9, and the operator completes the lashing on the upper hanging plate 9;
对当前浇筑位置,进行以下步骤:For the current pouring position, perform the following steps:
提升悬固步骤:提升装置1提升吊盘模板装置3,然后连接悬吊锚固装置2与吊盘模板装置3,将吊盘模板装置3悬挂,将吊盘模板装置3放置于当前浇筑位置,转动顶紧机构7,利用顶紧机构7顶住竖井内壁从而固定吊盘模板装置3;Lifting and suspension steps: Lifting device 1 lifts the hanging plate formwork device 3, then connects the hanging anchoring device 2 and the hanging plate formwork device 3, hangs the hanging plate formwork device 3, and places the hanging plate formwork device 3 at the current pouring position and rotates The tightening mechanism 7 uses the tightening mechanism 7 to press against the inner wall of the shaft to fix the hanging plate formwork device 3;
立模步骤:转动伸缩机构6伸出模板组5,并调整模板组5中心线使其与竖井结构形状位置一致,再将插销***连接孔51中,使其形成一个圆柱形整体完成立模;Forming steps: rotate the telescopic mechanism 6 to extend the template group 5, and adjust the center line of the template group 5 to make it consistent with the shape and position of the shaft structure, and then insert the plug into the connecting hole 51 to form a cylindrical whole to complete the vertical mold;
下料入模步骤:利用提升装置1将混凝土送至上吊盘9上,并通过导料槽8下料入模;Unloading into the mold step: using the lifting device 1 to send the concrete to the upper hanging pan 9 and unloading into the mold through the guide groove 8;
脱模步骤:当浇筑的竖井衬砌混凝土达到拆模强度后,先取下插销,将第一模板52绕第一模板52与第二模板53的连接处向柱状结构的中空部分转动使第一模板52脱模,然后分别将相对应的伸缩机构6回缩使模板组5与已浇筑的竖井井壁分离;Demoulding step: When the poured shaft lining concrete reaches the demoulding strength, first remove the bolts, and rotate the first form 52 around the connection between the first form 52 and the second form 53 to the hollow part of the columnar structure to make the first form 52 Demould, and then retract the corresponding telescopic mechanism 6 to separate the template group 5 from the casted shaft wall;
分离步骤:脱模后再将顶紧机构7旋回使吊盘模板装置3与已浇筑的竖井井壁分离。Separation step: after demoulding, the tightening mechanism 7 is rotated back to separate the hanging plate formwork device 3 from the casted shaft wall.
完成当前浇筑位置的上述步骤后,进行下一浇筑位置的铺设步骤和绑扎步骤,然后进行下一浇筑位置的提升悬固步骤、立模步骤、下料入模步骤、脱模 步骤和分离步骤。After completing the above steps of the current pouring position, proceed to the laying step and binding step of the next pouring position, and then proceed to the lifting suspension step, the erecting step, the blanking and entering the mold step, the demolding step, and the separating step of the next pouring position.
本实施例提供的一种竖井衬砌施工方法的有益效果是:The beneficial effects of a shaft lining construction method provided by this embodiment are:
上吊盘9与操作平台10通过立柱4固定连接形成整体,上吊盘9上设有通孔,通孔上方设有盖板902,在物料下放过程中,操作人员可以打开盖板902穿过通孔进入吊盘模板装置3中进行躲避,盖板902能够防止物料掉落砸伤操作人员,起到保护的作用,同时上吊盘9本身也能够起到保护和防腐的作用;The upper hanging plate 9 and the operating platform 10 are fixedly connected to form a whole through the column 4, the upper hanging plate 9 is provided with a through hole, and a cover plate 902 is provided above the through hole. During the material lowering process, the operator can open the cover plate 902 and pass through the through hole Enter into the hanging plate formwork device 3 to escape, the cover plate 902 can prevent the material from falling and hurting the operator, playing a protective role, and the upper hanging plate 9 itself can also play a role of protection and anti-corrosion;
伸缩机构6的一端与操作平台10固定连接,伸缩机构6包括轮子、撑杆61和丝杆,撑杆61的前端与模板组5的第二模板53的内壁固定连接,转动丝杆,伸缩机构6通过轮子能够带动第二模板53伸出,第二模板53到位后再转动第一模板52使其到位,再***插销固定第一模板52和第二模板53,;浇筑完毕并达到拆模强度后,取下插销,将第一模板52绕第一模板52与第二模板53之间的铰销向吊盘轴心内空间回转收缩使第一模板52脱模,然后反方向转动丝杆收回第二模板53使模板组5与已浇筑成型的竖井井壁分离;该操作过程简单,可以通过转动第一模板52和第二模板53,使第一模板52和第二模板53拼接形成更大的模板组5,从而可以减少模板组装过程中的工作量,不需要大量的人力物力就能够完成衬砌浇筑施工工作,提高了工作效率和施工进度;One end of the telescopic mechanism 6 is fixedly connected to the operating platform 10. The telescopic mechanism 6 includes wheels, a brace 61 and a screw rod. The front end of the brace 61 is fixedly connected to the inner wall of the second template 53 of the template group 5, the screw rod is rotated, and the telescopic mechanism 6 The wheels can drive the second template 53 to extend. After the second template 53 is in place, turn the first template 52 to make it in place, and then insert the pins to fix the first template 52 and the second template 53; the pouring is completed and the mold removal strength is reached After that, remove the latch, rotate and shrink the first template 52 around the hinge pin between the first template 52 and the second template 53 to the inner space of the hanging plate axis to demold the first template 52, and then turn the screw rod in the opposite direction to retract The second template 53 separates the template group 5 from the casted shaft wall; the operation process is simple, and the first template 52 and the second template 53 can be spliced to form a larger one by rotating the first template 52 and the second template 53 The template group 5 can reduce the workload in the template assembly process, and can complete the lining pouring construction work without a lot of manpower and material resources, which improves the work efficiency and construction schedule;
该竖井衬砌施工方法利用了该竖井衬砌装置进行施工,能够简单快速安全的完成竖井衬砌施工工作,节约了时间、人力和物力。The shaft lining construction method utilizes the shaft lining device for construction, can complete the shaft lining construction work simply, quickly and safely, and saves time, manpower and material resources.
以上所述仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等,均应包含在本发明的保护范围之内。The above descriptions are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modification, equivalent replacement and improvement made within the spirit and principle of the present invention shall be included in the protection of the present invention. Within range.
Claims (10)
- 一种竖井衬砌施工方法,其特征在于,所述衬砌的施工装置包括吊盘模板装置(3),所述吊盘模板装置(3)上设有至少两组模板组(5)和连接件,至少两组模板组(5)拼接形成周向封闭的中空柱状结构,从而形成用于竖井成型的内模,所述模板组(5)包括第一模板(52)和第二模板(53),所述第一模板(52)与所述第二模板(53)可转动地连接,所述第一模板(52)能够绕所述第一模板(52)与所述第二模板(53)的连接处向所述柱状结构的中空部分转动,所述第二模板(53)能够沿所述柱状结构的径向方向运动;A shaft lining construction method, characterized in that the lining construction device includes a hanging plate formwork device (3), and at least two sets of formwork groups (5) and connecting pieces are provided on the hanging plate formwork device (3), At least two sets of template groups (5) are spliced to form a circumferentially closed hollow columnar structure to form an inner mold for vertical shaft molding. The template set (5) includes a first template (52) and a second template (53), The first template (52) is rotatably connected with the second template (53), and the first template (52) can be rotated around the first template (52) and the second template (53). The joint rotates toward the hollow part of the columnar structure, and the second template (53) can move along the radial direction of the columnar structure;相邻两个所述模板组(5)通过所述连接件可拆卸地相连,所述连接件用于在浇筑时固定所述第一模板(52)与所述第二模板(53);Two adjacent template groups (5) are detachably connected by the connecting member, and the connecting member is used to fix the first template (52) and the second template (53) during pouring;所述竖井衬砌施工方法包括以下步骤:The shaft lining construction method includes the following steps:浇筑步骤:将所述吊盘模板装置(3)置于竖井中,向所述吊盘模板装置(3)外侧浇筑混凝土;Pouring step: placing the hanging plate formwork device (3) in a shaft, and pouring concrete to the outside of the hanging plate formwork device (3);脱模步骤:当浇筑的竖井衬砌混凝土达到拆模强度后,取下连接件,将所述第一模板(52)绕所述第一模板(52)与所述第二模板(53)的连接处向所述柱状结构的中空部分转动使所述第一模板(52)脱模,然后向所述柱状结构的中空部分的中心处移动所述第二模板(53)使所述模板组(5)与已浇筑的竖井井壁分离。Demoulding step: when the poured shaft lining concrete reaches the demoulding strength, remove the connecting piece, and connect the first formwork (52) around the first formwork (52) and the second formwork (53) Rotate toward the hollow part of the columnar structure to demold the first template (52), and then move the second template (53) to the center of the hollow part of the columnar structure to make the template group (5) ) Separate from the casted shaft wall.
- 根据权利要求1所述的一种竖井衬砌施工方法,其特征在于,所述吊盘模板装置(3)包括操作平台(10)和伸缩机构(6),所述操作平台(10)位于所述吊盘模板装置(3)的底部,所述伸缩机构(6)的一端与所述操作平台(10)固定连接,所述伸缩机构(6)的另一端与所述第二模板(53)固定连接;The construction method of shaft lining according to claim 1, characterized in that the hanging plate formwork device (3) comprises an operating platform (10) and a telescopic mechanism (6), and the operating platform (10) is located in the At the bottom of the hanging plate template device (3), one end of the telescopic mechanism (6) is fixedly connected to the operating platform (10), and the other end of the telescopic mechanism (6) is fixed to the second template (53) connection;在所述脱模步骤中:In the demolding step:通过缩回所述伸缩机构(6)来移动第二模板(53)使所述模板组(5)与已浇筑的竖井井壁分离。The second formwork (53) is moved by retracting the telescopic mechanism (6) to separate the formwork group (5) from the casted shaft wall.
- 根据权利要求2所述的一种竖井衬砌施工方法,其特征在于,所述衬砌施工装置还包括提升装置(1)和悬吊锚固装置(2),所述提升装置(1)位于所述竖井上方,所述悬吊锚固装置(2)位于所述竖井井口,所述操作平台(10)设有顶紧机构(7),所述顶紧机构(7)包括丝杆,在实施所述浇筑步骤之前,所述竖井衬砌施工方法还包括:The construction method of a shaft lining according to claim 2, characterized in that the lining construction device further comprises a lifting device (1) and a suspension anchoring device (2), and the lifting device (1) is located in the shaft Above, the suspension anchoring device (2) is located at the head of the shaft, the operating platform (10) is provided with a jacking mechanism (7), and the jacking mechanism (7) includes a screw rod. Before the steps, the shaft lining construction method further includes:提升悬固步骤:所述提升装置(1)提升所述吊盘模板装置(3),然后连接所述悬吊锚固装置(2)与所述吊盘模板装置(3),将所述吊盘模板装置(3)悬挂,将所述吊盘模板装置(3)放置于待浇筑衬砌处,转动所述丝杆伸出所述顶紧机构(7),利用顶紧机构(7)顶住所述竖井内壁从而固定所述吊盘模板装置(3)。Lifting and suspending step: The lifting device (1) lifts the hanging plate formwork device (3), and then connects the suspending anchoring device (2) and the hanging plate formwork device (3) to connect the hanging plate The formwork device (3) is suspended, the hanging plate formwork device (3) is placed at the lining to be poured, the screw rod is rotated to extend the tightening mechanism (7), and the tightening mechanism (7) is used to hold the place The inner wall of the shaft thus fixes the hanging plate formwork device (3).
- 根据权利要求3所述的一种竖井衬砌施工方法,其特征在于,在所述脱模步骤完成后,所述竖井衬砌施工方法还包括:The shaft lining construction method according to claim 3, characterized in that, after the demolding step is completed, the shaft lining construction method further comprises:分离步骤:脱模完成后将所述顶紧机构(7)收回使吊盘模板装置(3)与已浇筑的竖井井壁分离。Separation step: after demolding is completed, the jacking mechanism (7) is retracted to separate the hanging plate formwork device (3) from the cast shaft wall.
- 根据权利要求1所述的一种竖井衬砌施工方法,其特征在于,所述浇筑步骤包括:The construction method of shaft lining according to claim 1, wherein the pouring step comprises:立模步骤:移动所述模板组(5),再用所述连接件固定所述第一模板(52)和所述第二模板(53),使其形成一个整体完成立模。Forming step: moving the template group (5), and then fixing the first template (52) and the second template (53) with the connecting member to form an integrally completed standing mold.
- 根据权利要求5所述的一种竖井衬砌施工方法,其特征在于,所述吊盘模板装置(3)还包括上吊盘(9)和立柱(4),所述立柱(4)的一端与所述上吊盘(9)固定连接,所述立柱(4)的另一端与所述操作平台(10)固定连接,所述上吊盘(9)上设有吊耳(901)和导料槽(8),所述导料槽(8)向下倾斜地设置在所述上吊盘(9)的边缘,所述吊耳(901)与所述提升装置(1)可拆卸地连接,所述浇筑步骤还包括:The construction method of a shaft lining according to claim 5, characterized in that the hanging plate formwork device (3) further comprises an upper hanging plate (9) and a column (4), and one end of the column (4) is connected to the The upper hanging plate (9) is fixedly connected, the other end of the column (4) is fixedly connected with the operating platform (10), and the upper hanging plate (9) is provided with lifting lugs (901) and a material guide (8) ), the guide trough (8) is arranged obliquely downward on the edge of the upper suspension plate (9), the lifting lugs (901) are detachably connected with the lifting device (1), and the pouring step Also includes:下料入模步骤:利用所述提升装置(1)将混凝土送至所述上吊盘(9)上 并通过所述导料槽(8)下料入模。The step of feeding into the mold: using the lifting device (1) to send the concrete to the upper hanging pan (9) and feeding the concrete into the mold through the guide trough (8).
- 根据权利要求1所述的一种竖井衬砌施工方法,其特征在于,所述吊盘模板装置(3)还包括防水板,所述防水板铺设在所述上吊盘(9)上,在进行所述提升悬固步骤之前,所述竖井衬砌施工方法还包括:The construction method of shaft lining according to claim 1, characterized in that, the hanging plate formwork device (3) further comprises a waterproof board, and the waterproof plate is laid on the upper hanging plate (9), and the Before the lifting suspension step, the shaft lining construction method further includes:铺设步骤:利用所述提升装置(1)提升所述防水板,并下放至所述上吊盘(9)上,操作人员在所述上吊盘(9)上铺设好所述防水板。Laying step: using the lifting device (1) to lift the waterproof board and lower it on the upper hanging pan (9), and the operator lays the waterproof board on the upper hanging pan (9).
- 根据权利要求7所述的一种竖井衬砌施工方法,其特征在于,完成所述铺设步骤后,所述竖井衬砌施工方法还包括:The construction method of shaft lining according to claim 7, characterized in that, after the laying step is completed, the construction method of shaft lining further comprises:绑扎步骤:将预先加工成型的钢筋吊装至所述上吊盘(9)上,操作人员在所述上吊盘(9)上完成绑扎。The lashing step: hoisting the pre-processed and shaped steel bars on the upper hanging plate (9), and the operator completes the lashing on the upper hanging plate (9).
- 根据权利要求1-8中任一项所述的一种竖井衬砌施工方法,其特征在于,完成所述脱模步骤后,将所述吊盘模板装置(3)提升至下一个待浇筑衬砌处重复所述浇筑步骤和所述脱模步骤。The construction method of a shaft lining according to any one of claims 1-8, characterized in that, after the demolding step is completed, the hanging plate formwork device (3) is lifted to the next lining to be poured Repeat the pouring step and the demolding step.
- 根据权利要求1所述的一种竖井衬砌施工方法,其特征在于,所述模板组(5)上设有连接孔(51),所述连接件包括插销,所述插销与所述连接孔(51)可拆卸地连接。The construction method of shaft lining according to claim 1, characterized in that, the template group (5) is provided with a connecting hole (51), the connecting piece includes a plug pin, and the plug pin is connected to the connecting hole ( 51) Removably connect.
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CN111119899A (en) * | 2019-12-30 | 2020-05-08 | 中铁二局集团有限公司 | Shaft lining construction method |
CN111734481B (en) * | 2020-07-31 | 2022-03-22 | 湖南科技大学 | Mounting construction method for ore bin lining rail of chute breaking system below 40m |
CN115306173A (en) * | 2022-07-18 | 2022-11-08 | 中交第一航务工程局有限公司 | Construction method for reinforcing inner side of silo |
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CN103711491A (en) * | 2013-12-19 | 2014-04-09 | 中国长江三峡集团公司 | Equipment used for vertical shaft concrete lining construction and construction method thereof |
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CN202500567U (en) * | 2012-03-30 | 2012-10-24 | 河南黄河工程有限公司 | Multilayer combined hanging scaffold for concrete liner of well wall of vertical well |
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