WO2019019910A1 - 水下墩柱钢筋除锈及混凝土表面修复装置 - Google Patents

水下墩柱钢筋除锈及混凝土表面修复装置 Download PDF

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WO2019019910A1
WO2019019910A1 PCT/CN2018/095089 CN2018095089W WO2019019910A1 WO 2019019910 A1 WO2019019910 A1 WO 2019019910A1 CN 2018095089 W CN2018095089 W CN 2018095089W WO 2019019910 A1 WO2019019910 A1 WO 2019019910A1
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Prior art keywords
movable sleeve
pier
spray
pump
concrete surface
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PCT/CN2018/095089
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English (en)
French (fr)
Inventor
刘朵
张建东
张骁
季超
冯晓楠
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苏交科集团股份有限公司
南京工业大学
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Application filed by 苏交科集团股份有限公司, 南京工业大学 filed Critical 苏交科集团股份有限公司
Publication of WO2019019910A1 publication Critical patent/WO2019019910A1/zh

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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges

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  • the invention relates to the technical field of bridge pier repair, in particular to a device for removing rust and concrete surface of underwater pier columns.
  • the defects of the existing underwater pier repairing construction are overcome, and a new type of underwater reinforced concrete rust removing and concrete surface repairing device is provided, and the device has high automation degree and strong versatility. And can be reused, effectively reducing the construction cost, so that it is more suitable for practical use and has industrial utilization value.
  • Underwater pier steel bar rust removal and concrete surface repairing device including suspension frame, movable sleeve and control box;
  • the hanger is fixedly disposed at the top of the pier for suspending and adjusting the height of the movable sleeve;
  • the movable sleeve is formed by splicing at least two modules of exactly the same shape in a circumferential direction, and the joint is provided with a pressing device and a rubber strip, wherein the module comprises a body, and the upper part and the lower part of the body are provided with a convex edge, a convex edge and a
  • the joint of the pier is also provided with a rubber strip, and the left and right sides of the body are provided with a connecting portion for fixing the pressing device;
  • the convex edge is provided with a vent hole and a drainage hole with respect to the inner side of the movable sleeve, and the body is evenly distributed with a plurality of spray nozzles and a plurality of spray nozzles on the inner side surface of the upper and lower convex edges; the vent hole, the drainage hole and the spray nozzle
  • the nozzle, the spray nozzle and the pressing device are connected to the control box through the pipeline, and are respectively used for the purpose of ventilating, draining, spraying cement mortar, spraying the rust agent and pressing the modules;
  • a drying device is also arranged inside the body.
  • the pressing device comprises a bolt, a nut and a jack
  • the bolt penetrates the two adjacent connecting portions, and the screw end thereof is connected with the nut, and the jack is disposed between the nut of the bolt and the adjacent connecting portion.
  • a hydraulic pump, a water pump, a spray pump and a liquid spray pump are arranged in the control box, respectively, connected to the jack, the drain hole, the spray nozzle and the spray nozzle;
  • the utility model also comprises a control system, which is respectively electrically connected with the control end of the hydraulic pump, the water pump, the spray pump and the liquid spray pump, and the drying device.
  • the hanger includes a steel frame, a winch, and a steel cable;
  • the steel frame is fixed on the top of the pier, and the hoist is fixed.
  • the hoisting machine drives the movable sleeve up and down through the steel cable.
  • vent hole is located at the upper convex edge
  • drain hole is located at the lower convex edge
  • the present invention has the following beneficial effects:
  • remote control can be completed by simply using the switch on the control box, which does not require multi-person assistance, which greatly reduces the number of construction workers; and the device can be reused and can meet a variety of different engineering sizes. It is suitable for the piers of any shape with a cross section. It only needs to select the appropriate shape and number of modules according to the size and shape of the piers, which can greatly save the cost.
  • FIG. 1 is a schematic view showing the installation of a steel rod rust removing and concrete surface repairing device for underwater piers according to the present invention
  • Figure 2 is a plan view of the movable sleeve
  • Figure 3 is a cross-sectional view of the movable sleeve
  • Figure 4 is a side view of the movable sleeve module
  • Figure 5 is a schematic view showing the connection of the modules in the movable sleeve
  • Figure 6 is a schematic view showing the distribution of the spray nozzle and the spray nozzle on the body
  • suspension frame 1 steel frame 11, hoist 12, steel cable 13, connector 14, movable sleeve 2, body 21, rubber strip 22, connecting portion 23, vent hole 24, drain hole 25, spray Slurry 26, spray nozzle 27, drying device 28, control box 3, hydraulic pump 31, water pump 32, spray pump 33, spray pump 34, switch 35, spray pipe 36, spray pipe 37, pass The air pipe 38, the drain pipe 39, the hydraulic pipe 310, the pier 4, the bolt 51, the nut 52, the jack 53, and the cap 6.
  • the underwater pier column steel bar rust removal and concrete surface repairing device comprises a suspension frame 1, a movable sleeve 2 and a control box 3; the suspension frame 1 is fixedly arranged on the top of the pier 4; It can be fixed by the platform 6 at the bottom of the bridge for suspending and adjusting the height of the movable sleeve 2.
  • the hanger 1 includes a steel frame 11, a hoisting machine 12 and a steel cable 13, and the steel frame 11 is fixed at At the top of the pier 4, and the hoisting machine 12 is fixed, the hoisting machine 12 drives the movable sleeve 2 up and down by the steel cable 13.
  • the movable sleeve 2 is spliced in a circumferential direction by four modules of exactly the same shape to form a square ring body, which is sleeved on the pier 4, and the joint is provided with a pressing device and a rubber strip 22, wherein
  • the module includes a body 21, and the upper portion and the lower portion of the body 21 are provided with a convex edge.
  • the bonding edge of the protruding edge and the bridge pier 4 is also provided with a rubber strip 22, and the left and right sides of the body 21 are provided with a connecting portion 23 for fixing pressure. Tightening device.
  • the pressing device comprises a bolt 51, a nut 52 and a jack 53; the bolt 51 penetrates the two adjacent connecting portions 23, and the screw end thereof is connected with the nut 52, and the jack 53 is disposed at the nut of the bolt 51 and the adjacent connecting portion.
  • the convex edge is provided with a vent hole 24 and a drain hole 25 with respect to the inner side of the movable sleeve 2, and the body 21 is evenly distributed with a plurality of spray nozzles 26 and a plurality of spray nozzles on the inner side surface of the upper and lower convex edges.
  • vent hole 24, the drain hole 25, the spray nozzle 26 and the spray nozzle 27 are connected to the control box 3 through a pipe, respectively, for the purpose of ventilating, draining, spraying cement mortar and spraying rust agent;
  • a drying device 28 is also provided.
  • a reinforced concrete bridge pier located in a river channel is washed away by the river water all the year round, causing the concrete protective layer to fall off somewhere under the water.
  • the steel bar is exposed and rusted, and needs to be repaired underwater. Maintenance is performed using the apparatus of the present invention as follows:
  • the hanger 1 is fixed to the top of the pier, and the hoisting machine 12 having the same number of modules as in the movable sleeve 2 is fixed to the hanger 1.
  • the steel cable 13 is connected to the connector 14 on the upper part of each module; then the bolt 51 is passed through the jack 53 fixed on the connecting portion 23 and the bolt hole on the adjacent connecting portion 23, and the screw end of the bolt 51 is made of a nut. 52 is fixed, so that the adjacent two connecting portions 23 can be contacted, and cannot be completely tightened. In this way, the remaining modules are connected to each other around the surface of the pier 4. Open the hoist 12 switch to lower the movable sleeve 2 to the bridge rib.
  • the hydraulic pump 31 on the control box 3 is operated to open and close the hydraulic pump 31, thereby driving the jack 53 to work, forcing the modules of the adjacent two movable sleeves 2 to be tightly connected; when all the modules are tightly connected, the movable sleeve is
  • the barrel 2 presses the rubber strips 22 such that a confined space is formed between the upper and lower flanges, the body 21 and the pier 4.
  • the hydraulic pump 31 is turned off, and the pump 32 switch is turned on, so that the water in the movable sleeve 2 passes through the drain hole 25, and the movable sleeve 2 is discharged through the drain pipe 39, and the drain hole 25 is located at the lower convex edge; 2
  • a negative pressure is generated in the sleeve.
  • the vent pipe 38 is opened to restore the air pressure in the sleeve to normal.
  • the surface of the steel bar and the pier at the dew is dried by the drying device 28, and the drying device 28 is a heater disposed in the body 21, and is heated by an external power source, so that the moisture on the surface of the steel bar and the pier at the dew is evaporated and passed.
  • the vent hole 24 is discharged through the vent pipe 38, wherein the vent hole 24 is provided to the upper flange in order to facilitate the discharge of the gas.
  • the liquid ejecting pump 34 switch is turned on, and the rust-preventing agent is ejected from the liquid ejecting nozzle 27 through the liquid ejecting pipe 36, and is evenly sprayed to the exposed rib portion.
  • the rusting agent will treat the rusted steel surface and the rust prevention measures; then open the spray pump 33 switch, so that the corrosion resistant cement mortar passes through the spray pipe 37, and is sprayed from the spray nozzle 26 to the part where the protective layer falls off. .
  • the cement mortar is dried by the drying device 28; after the corrosion-resistant cement mortar is dried, the hydraulic pump 31 is turned on to unload the jack 53, and the adjacent modules are released from each other. Open the hoist 12 switch and lift the sleeve out of the water.
  • the control box 3 is provided with a hydraulic pump 31, a water pump 32, a spray pump 33 and The spray pump 34 is connected to the jack 53, the drain hole 25, the spray nozzle 26 and the spray nozzle 27, respectively; and further comprises a switch 35, respectively, with the hydraulic pump 31, the water pump 32, the spray pump 33 and the spray pump 34
  • the control terminal and the drying device are electrically connected.
  • the underwater pier steel bar rust removing and concrete surface repairing device is different from the first embodiment in that the movable sleeve 2 is spliced in a circumferential direction by four modules of identical shapes to form a circular ring.
  • the body is sleeved on the pier 4.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

一种水下墩柱钢筋除锈及混凝土表面修复装置，包括悬挂架(1)、可移动套筒(2)和控制箱(3)；悬挂架(1)固定设置于桥墩(4)顶部，可移动套筒(2)由形状完全相同的至少两模块沿周向拼接而成，且接合处设置有压紧装置和橡胶条(22)；模块包括本体(21)，本体(21)上部和下部均设置有凸沿，凸沿与桥墩(4)的贴合处同样设置有橡胶条(22)，本体(21)的左右两侧均设置有连接部(23)；凸沿相对于可移动套筒(2)的内侧设置有通气孔(24)和排水孔(25)，本体(21)位于上下两凸沿中间的内侧面上均匀分布有若干喷浆嘴(26)和若干喷液嘴(27)；通气孔(24)、排水孔(25)、喷浆嘴(26)和喷液嘴(27)均通过管道与控制箱(3)连接；本体(21)内部还设置有烘干装置(28)。所述修复装置自动化程度高，通用性强，且可重复使用，有效降低了施工成本。

Description

水下墩柱钢筋除锈及混凝土表面修复装置 技术领域
本发明涉及一种桥墩修复技术领域，尤其涉及一种水下墩柱钢筋除锈及混凝土表面修复装置。
背景技术
水中桥墩维护修复时，需要干爽的作业环境，而干爽的作业环境形成的常用方法是使用围堰。但是在复杂条件下，尤其是较小桥下净空、较大流速的卵石河道下，在对桥墩维护改造时，受水流流速限制，土围堰和土袋围堰不能满足施工的要求；因钢板桩围堰和钢筋混凝土板桩围堰的下沉需要一定的净空高度，因此受空间限制，同样不能满足要求；下沉式钢围堰可以克服上述问题，但需要吊装工具的配合，费时费力。
有鉴于上述现有的桥墩维护修复方法所存在的缺陷，本发明人基于从事此类产品设计制造多年丰富的实务经验及专业知识，并配合学理的运用，积极加以研究创新，以期创设水下墩柱钢筋除锈及混凝土表面修复装置，使其更具有实用性。
发明内容
通过本发明中的技术方案，克服了现有的水下桥墩修复施工存在的缺陷，而提供一种新型的水下墩柱钢筋除锈及混凝土表面修复装置，本装置自动化程度高，通用性强，且可重复使用，有效的降低了施工成本，从而更加适于实用，具有产业上的利用价值。
本发明解决其技术问题的技术方案是：
水下墩柱钢筋除锈及混凝土表面修复装置，包括悬挂架、可移动套筒和 控制箱；
悬挂架固定设置于桥墩顶部，用于悬挂并调节可移动套筒的高度；
可移动套筒由形状完全相同的至少两模块沿周向拼接而成，且接合处设置有压紧装置和橡胶条，其中，模块包括本体，本体上部和下部均设置有凸沿，凸沿与桥墩的贴合处同样设置有橡胶条，本体的左右两侧均设置有连接部，用于固定压紧装置；
凸沿相对于可移动套筒的内侧设置有通气孔和排水孔，本体位于上下两凸沿中间的内侧面上均匀分布有若干喷浆嘴和若干喷液嘴；通气孔、排水孔、喷浆嘴、喷液嘴和压紧装置均通过管道与控制箱连接，分别用于实现通气、排水、喷水泥砂浆、喷转锈剂和压紧各模块的目的；
本体内部还设置有烘干装置。
进一步地，压紧装置包括螺栓、螺母和千斤顶；
螺栓贯穿两相邻的连接部，且其螺杆末端与螺母连接，千斤顶设置在螺栓的螺帽与相邻的连接部之间。
进一步地，橡胶条通过凹槽卡设。
进一步地，控制箱内设置有液压泵，抽水泵，喷浆泵和喷液泵，分别与千斤顶、排水孔、喷浆嘴和喷液嘴连接；
还包括控制系统，分别与液压泵，抽水泵，喷浆泵和喷液泵的控制端以及烘干装置电连接。
进一步地，悬挂架包括钢架、卷扬机和钢缆线；
钢架固定在桥墩顶部，且固定卷扬机，卷扬机通过钢缆线带动可移动套筒上下运动。
进一步地，通气孔位于上部凸沿，排水孔位于下部凸沿。
采用了上述技术方案后，本发明具有以下的有益效果：
采用本装置施工时，只需使用控制箱上的开关即可完成远程控制，不需要多人协助，极大减少了施工人员的数量；且装置可重复使用并满足多种不同的工程尺寸，可适用于截面为任何形状的桥墩，仅需根据桥墩尺寸和形状选择合适形状和数量的模块拼接而成即可，极大节约了成本。
附图说明
图1为本发明水下墩柱钢筋除锈及混凝土表面修复装置的安装示意图；
图2为可移动套筒的俯视图；
图3为可移动套筒的剖视图；
图4为可移动套筒模块的侧视图；
图5为可移动套筒中模块的连接示意图；
图6为本体上喷浆嘴和喷液嘴的分布示意图；
附图标记：悬挂架1、钢架11、卷扬机12、钢缆线13、连接头14、可移动套筒2、本体21、橡胶条22、连接部23、通气孔24、排水孔25、喷浆嘴26、喷液嘴27、烘干装置28、控制箱3、液压泵31，抽水泵32，喷浆泵33、喷液泵34、开关35、喷液管36、喷浆管37、通气管38、排水管39、液压管310、桥墩4、螺栓51、螺母52、千斤顶53、承台6。
具体实施方式
为了使本技术领域的人员更好地理解本申请中的技术方案，下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都应当属于本申请保护的范围。
实施例一
如图1、图3～图6所示，水下墩柱钢筋除锈及混凝土表面修复装置，包括悬挂架1、可移动套筒2和控制箱3；悬挂架1固定设置于桥墩4顶部，可通过桥底部的承台6固定，用于悬挂并调节可移动套筒2的高度.在本实施例中，悬挂架1包括钢架11、卷扬机12和钢缆线13，钢架11固定在桥墩4顶部，且固定卷扬机12，卷扬机12通过钢缆线13带动可移动套筒2上下运动。为了便于生产和安装，可移动套筒2由形状完全相同的四块模块沿周向拼接而成方形环体，套设于桥墩4上，且接合处设置有压紧装置和橡胶条22，其中，模块包括本体21，本体21上部和下部均设置有凸沿，凸沿与桥墩4的贴合处同样设置有橡胶条22，本体21的左右两侧均设置有连接部23，用于固定压紧装置。其中，压紧装置包括螺栓51、螺母52和千斤顶53；螺栓51贯穿两相邻的连接部23，且其螺杆末端与螺母52连接，千斤顶53设置在螺栓51的螺帽与相邻的连接部23之间；凸沿相对于可移动套筒2的内侧设置有通气孔24和排水孔25，本体21位于上下两凸沿中间的内侧面上均匀分布有若干喷浆嘴26和若干喷液嘴27；通气孔24、排水孔25、喷浆嘴26和喷液嘴27均通过管道与控制箱3连接，分别用于实现通气、排水、喷水泥砂浆和喷转锈剂的目的；本体21内部还设置有烘干装置28。
某大桥位于河道内的一钢筋混凝土桥墩由于常年河水冲刷，致使水下某处混凝土保护层脱落，钢筋露出而锈蚀，需要水下修复。使用本发明的装置进行维修，具体如下：
将悬挂架1固定在桥墩顶部，并将与可移动套筒2中的模块数量相同的卷扬机12固定在悬挂架1上。将钢缆线13连接到各模块上部的连接头14上；然后把螺栓51穿过在连接部23上固定的千斤顶53以及相邻连接部23上的螺栓孔，将螺栓51的螺杆末端用螺母52固定好，使相邻两连接部23接触即 可，不可完全拧紧。以此方法，将剩余模块围绕桥墩4表面两两相连。打开卷扬机12开关，使可移动套筒2下降到桥墩露筋处。操作控制箱3上的液压泵31开关，使液压泵31工作，从而带动千斤顶53工作，迫使相邻的两个可移动套筒2的模块连接紧密；当所有模块都连接紧密时，可移动套筒2会挤压各橡胶条22，使得上下两凸沿、本体21和桥墩4间形成密闭空间。
关闭液压泵31，并打开抽水泵32开关，使可移动套筒2内的水通过排水孔25，经排水管39排出可移动套筒2，排水孔25位于下部凸沿；当可移动套筒2内水抽完时，套筒内会产生负压，此时打开通气管38使套筒内气压恢复正常。通过烘干装置28，使露筋处的钢筋及桥墩表面干燥，烘干装置28为设置在本体21内的加热器，通过外部电源加热，使得露筋处钢筋及桥墩表面的水分得到蒸发且通过通气孔24经通气管38排出，其中为了便于气体的排出，将通气孔24设置于上部凸沿。之后打开喷液泵34开关，将转锈剂通过喷液管36由喷液嘴27喷出，均匀喷到露筋的部位。转锈剂会对此处锈蚀的钢筋表面进行处理和防锈措施；随后打开喷浆泵33开关，使耐腐蚀性水泥砂浆通过喷浆管37，由喷浆嘴26喷到保护层脱落的部位。再由烘干装置28对水泥砂浆进行干燥处理；在耐腐蚀性水泥砂浆干燥完毕后，打开液压泵31，使千斤顶53卸力，此时相邻的模块互相松开。打开卷扬机12开关，提升套筒，使其露出水面。
为了方便橡胶条22的更换，橡胶条22通过凹槽卡设；同时为了使得整个工具结构紧凑，便于运输和操控，在控制箱3内设置有液压泵31，抽水泵32，喷浆泵33和喷液泵34，分别与千斤顶53、排水孔25、喷浆嘴26和喷液嘴27连接；还包括开关35，分别与液压泵31，抽水泵32，喷浆泵33和喷液泵34的控制端以及烘干装置电连接。
实施例二
如图2所示，水下墩柱钢筋除锈及混凝土表面修复装置，与实施例一的区别之处在于可移动套筒2由形状完全相同的四块模块沿周向拼接而成圆形环体，套设于桥墩4上。
对所公开的实施例的上述说明，使本领域专业技术人员能够实现或使用本发明。对这些实施例的多种修改对本领域的专业技术人员来说将是显而易见的，本文中所定义的一般原理可以在不脱离本发明的精神或范围的情况下，在其它实施例中实现。因此，本发明将不会被限制于本文所示的这些实施例，而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。

Claims (6)

  1. 水下墩柱钢筋除锈及混凝土表面修复装置，其特征在于，包括悬挂架(1)、可移动套筒(2)和控制箱(3)；
    所述悬挂架(1)固定设置于桥墩(4)顶部，用于悬挂并调节所述可移动套筒(2)的高度；
    所述可移动套筒(2)由形状完全相同的至少两模块沿周向拼接而成，且接合处设置有压紧装置和橡胶条(22)，其中，所述模块包括本体(21)，所述本体(21)上部和下部均设置有凸沿，所述凸沿与所述桥墩(4)的贴合处同样设置有橡胶条(22)，所述本体(21)的左右两侧均设置有连接部(23)，用于固定所述压紧装置；
    所述凸沿相对于所述可移动套筒(2)的内侧设置有通气孔(24)和排水孔(25)，所述本体(21)位于上下两凸沿中间的内侧面上均匀分布有若干喷浆嘴(26)和若干喷液嘴(27)；所述通气孔(24)、排水孔(25)、喷浆嘴(26)、喷液嘴(27)和压紧装置均通过管道与所述控制箱(3)连接，分别用于实现通气、排水、喷水泥砂浆、喷转锈剂和压紧各模块的目的；
    所述本体(21)内部还设置有烘干装置(28)。
  2. 根据权利要求1所述的水下墩柱钢筋除锈及混凝土表面修复装置，其特征在于，所述压紧装置包括螺栓(51)、螺母(52)和千斤顶(53)；
    所述螺栓(51)贯穿两相邻的连接部(23)，且其螺杆末端与所述螺母(52)连接，所述千斤顶(53)设置在所述螺栓(51)的螺帽与相邻的所述连接部(23)之间。
  3. 根据权利要求1所述的水下墩柱钢筋除锈及混凝土表面修复装置，其特征在于，所述橡胶条(22)通过凹槽卡设。
  4. 根据权利要求1所述的水下墩柱钢筋除锈及混凝土表面修复装置，其特征在于，所述控制箱(3)内设置有液压泵(31)，抽水泵(32)，喷浆泵(33)和喷液泵(34)，分别与所述千斤顶(53)、排水孔(25)、喷浆嘴 (26)和喷液嘴(27)连接；
    还包括控制系统(35)，分别与所述液压泵(31)，抽水泵(32)，喷浆泵(33)和喷液泵(34)的控制端以及烘干装置电连接。
  5. 根据权利要求1所述的水下墩柱钢筋除锈及混凝土表面修复装置，其特征在于，所述悬挂架(1)包括钢架(11)、卷扬机(12)和钢缆线(13)；
    所述钢架(11)固定在所述桥墩(4)顶部，且固定所述卷扬机(12)，所述卷扬机(12)通过所述钢缆线(13)带动所述可移动套筒(2)上下运动。
  6. 根据权利要求1所述的水下墩柱钢筋除锈及混凝土表面修复装置，其特征在于，所述通气孔(24)位于上部凸沿，所述排水孔(25)位于下部凸沿。
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