CN111021795B - Strong typhoon resistant self-adaptive steel structure cooling tower - Google Patents
Strong typhoon resistant self-adaptive steel structure cooling tower Download PDFInfo
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Abstract
本发明涉及本发明公开了一种抗强台风的自适应钢结构冷却塔，包括桁架系统、双曲线围护板系统和伺服开合系统。桁架系统的环向桁架与子午向桁架纵横交错连接，做为整体钢结构冷却塔的传力结构，具有刚性环和子午肋的作用，可提高冷却塔塔筒整体稳定性及减小塔筒表面风压；双曲线围护板系统的围护板通过围护板支架组件挂载在环向桁架上，伺服开合系统铺设于环向桁架上，风雨感应器安装于冷却塔塔筒顶部环向桁架上，当台风雨超过限值时，双曲线围护板开合姿态调整，使钢结构冷却塔在强台风来临的停机状态时能够打开围护板，减少冷却塔迎风面积，而使作用在塔筒表面的风荷载大大降低，提高钢结构冷却塔的抗强台风性能。
The present invention relates to an adaptive steel structure cooling tower resistant to strong typhoons, including a truss system, a hyperbolic enclosure system and a servo opening and closing system. The annular trusses of the truss system are crisscrossed with the meridian trusses, and as the force transmission structure of the overall steel structure cooling tower, they have the functions of rigid rings and meridian ribs, which can improve the overall stability of the cooling tower and reduce the wind pressure on the tower surface; the enclosure of the hyperbolic enclosure system is mounted on the annular truss through the enclosure bracket assembly, the servo opening and closing system is laid on the annular truss, and the wind and rain sensor is installed on the annular truss at the top of the cooling tower. When the typhoon rain exceeds the limit, the opening and closing posture of the hyperbolic enclosure is adjusted, so that the steel structure cooling tower can open the enclosure when it is shut down due to the strong typhoon, reduce the windward area of the cooling tower, and greatly reduce the wind load acting on the tower surface, thereby improving the strong typhoon resistance performance of the steel structure cooling tower.
Description
技术领域Technical Field
本发明属于冷却塔技术领域，具体而言，涉及一种抗强台风的自适应钢结构冷却塔。The invention belongs to the technical field of cooling towers, and in particular relates to an adaptive steel structure cooling tower capable of resisting strong typhoons.
背景技术Background Art
冷却塔是一种为了释放火电厂废热的高效率设备，近些年逐渐朝着大功率化发展，呈现超高大化趋势，柔性塔筒的安全储备也逐渐下降。中国海岸线绵长，台风频发，随着沿岸经济的飞速发展，用电量的增多也促使沿岸增建冷却塔，坐落于台风影响范围内的冷却塔遭受超限风荷载的概率也急剧增大；为了提高冷却塔的结构稳定性，申请号为201620659993.8的中国专利公开了一种交叉桁架型式的钢结构冷却塔，该塔通过塔形采用双曲线型或直筒圆锥型，可以保证塔体受力均匀，调高结构稳定性高和抗台风抗震性能，而且塔型曲率的适应性好，但是冷却塔超高大化趋势带来的硕大迎风面积使冷却塔在极端强台风环境下遭受的风荷载过大，其进一步引发的冷却塔结构设计难度增加的问题，这是上述交叉桁架型式的钢结构冷却塔所无法解决的。Cooling towers are high-efficiency equipment for releasing waste heat from thermal power plants. In recent years, they have gradually developed towards high power, showing a trend of ultra-high and large, and the safety reserve of flexible towers has gradually decreased. China has a long coastline and frequent typhoons. With the rapid development of the coastal economy, the increase in electricity consumption has also prompted the construction of cooling towers along the coast. The probability of cooling towers located within the typhoon influence range being subjected to excessive wind loads has also increased sharply; in order to improve the structural stability of the cooling tower, the Chinese patent application number 201620659993.8 discloses a cross-truss type steel structure cooling tower. The tower adopts a hyperbolic or straight cylindrical cone shape to ensure that the tower body is uniformly stressed, the height adjustment structure has high stability and typhoon and earthquake resistance, and the tower curvature has good adaptability. However, the large windward area brought about by the trend of ultra-high and large cooling towers makes the cooling tower suffer too much wind load in an extremely strong typhoon environment, which further increases the difficulty of cooling tower structural design, which is something that the above-mentioned cross-truss type steel structure cooling tower cannot solve.
作用在冷却塔塔筒表面的风荷载大小由风压乘以迎风面积决定，当主动控制开合系统在电动窗户等领域已有相关应用，但其主要用于解决人力问题与智能家居，在钢结构冷却塔尚未有效应用，钢结构冷却塔的围护板智能开合技术具有详尽的前备技术储备与广阔的应用前景。The size of the wind load acting on the surface of the cooling tower is determined by the wind pressure multiplied by the windward area. The active control opening and closing system has been applied in fields such as electric windows, but it is mainly used to solve manpower problems and smart homes. It has not been effectively applied to steel structure cooling towers. The intelligent opening and closing technology of the enclosure panel of the steel structure cooling tower has detailed backup technical reserves and broad application prospects.
因此，将围护板智能开合技术应用于钢结构冷却塔上，使冷却塔在强台风环境下能够进行主动控制调整迎风面积时，能有效降低作用于塔筒表面的风荷载，进而直接减小冷却塔结构设计荷载。Therefore, applying the intelligent opening and closing technology of the enclosure plate to the steel structure cooling tower enables the cooling tower to actively control and adjust the windward area in a strong typhoon environment, which can effectively reduce the wind load acting on the tower surface, thereby directly reducing the structural design load of the cooling tower.
发明内容Summary of the invention
本发明所要解决的技术问题是针对上述现有技术的不足，提供一种抗强台风的自适应钢结构冷却塔。该自适应钢结构冷却塔通过桁架系统承担结构荷载，通过将双曲线围护板系统挂载在桁架系统上，覆盖作为冷却塔塔筒，提供冷却塔的双曲线气动外形，通过伺服开合系统控制双曲线围护板开合姿态转换，可使冷却塔在强台风环境下打开围护板，能有效降低作用于冷却塔的风荷载。The technical problem to be solved by the present invention is to provide an adaptive steel structure cooling tower resistant to strong typhoons in view of the deficiencies of the above-mentioned prior art. The adaptive steel structure cooling tower bears the structural load through the truss system, and the hyperbolic enclosure system is mounted on the truss system to cover the cooling tower cylinder, providing a hyperbolic aerodynamic shape of the cooling tower. The servo opening and closing system controls the opening and closing posture conversion of the hyperbolic enclosure, so that the enclosure can be opened in a strong typhoon environment, which can effectively reduce the wind load acting on the cooling tower.
为实现上述技术目的，本发明采取的技术方案为：In order to achieve the above technical objectives, the technical solution adopted by the present invention is:
一种抗强台风的自适应钢结构冷却塔，其中，包括桁架系统、双曲线围护板系统和伺服开合系统，桁架系统包括若干个环向桁架和若干个子午向桁架，所述环向桁架与子午向桁架相互纵横交错连接，组成冷却塔承载骨架，每个相邻环向桁架与子午向桁架围成的空间中，均安装一个双曲线围护板系统，环向桁架和子午向桁架外侧外凸至双曲线围护板系统外侧，双曲线围护板系统包括双曲线围护板、双曲线围护板环向支架、双曲线围护板子午向支架、双曲线围护板旋转挂件以及旋转电机，双曲线围护板固定安装在双曲线围护板环向支架和双曲线围护板子午向支架组成的围护骨架上，双曲线围护板旋转挂件与围护骨架固定连接，双曲线围护板旋转挂件与双曲线围护板子午向支架平行，且双曲线围护板旋转挂件位于围护骨架中部，双曲线围护板旋转挂件的上端和下端与相应的环向桁架定位连接，且双曲线围护板旋转挂件能绕自身轴心转动，旋转电机安装在双曲线围护板旋转挂件上，旋转电机用于驱动双曲线围护板旋转挂件转动，从而使得双曲线围护板能绕双曲线围护板旋转挂件轴心转动至少90°，伺服开合系统包括风雨感应器和控制器，风雨感应器安装在冷却塔顶部环向桁架上，用于测量冷却塔塔顶风压与雨强，风雨感应器与控制器连接，控制器与各旋转电机连接，当台风雨超过限值时，风雨感应器将信号发送至控制器，控制器控制各旋转电机转动，使双曲线围护板与来风方向平行。A self-adaptive steel structure cooling tower resistant to strong typhoons, which includes a truss system, a hyperbolic enclosure system and a servo opening and closing system. The truss system includes a plurality of annular trusses and a plurality of meridian trusses. The annular trusses and the meridian trusses are crisscrossed and connected to each other to form a bearing frame of the cooling tower. A hyperbolic enclosure system is installed in the space surrounded by each adjacent annular truss and the meridian truss. The outer sides of the annular trusses and the meridian trusses protrude to the outer side of the hyperbolic enclosure system. The hyperbolic enclosure system includes a hyperbolic enclosure, a hyperbolic enclosure annular bracket, a hyperbolic enclosure meridian bracket, a hyperbolic enclosure rotating hanger and a rotating motor. The hyperbolic enclosure is fixedly installed on the enclosure frame composed of the hyperbolic enclosure annular bracket and the hyperbolic enclosure meridian bracket. The hyperbolic enclosure rotating hanger is fixedly connected to the enclosure frame. The component is parallel to the meridian support of the hyperbolic enclosure plate, and the hyperbolic enclosure plate rotating hanger is located in the middle of the enclosure frame. The upper and lower ends of the hyperbolic enclosure plate rotating hanger are positioned and connected with the corresponding annular trusses, and the hyperbolic enclosure plate rotating hanger can rotate around its own axis. The rotating motor is installed on the hyperbolic enclosure plate rotating hanger. The rotating motor is used to drive the hyperbolic enclosure plate rotating hanger to rotate, so that the hyperbolic enclosure plate can rotate at least 90° around the axis of the hyperbolic enclosure plate rotating hanger. The servo opening and closing system includes a wind and rain sensor and a controller. The wind and rain sensor is installed on the annular truss at the top of the cooling tower and is used to measure the wind pressure and rain intensity at the top of the cooling tower. The wind and rain sensor is connected to the controller, and the controller is connected to each rotating motor. When the typhoon rain exceeds the limit, the wind and rain sensor sends a signal to the controller, and the controller controls each rotating motor to rotate so that the hyperbolic enclosure plate is parallel to the incoming wind direction.
上述的双曲线围护板系统包括若干个双曲线围护板、双曲线围护板环向支架、双曲线围护板子午向支架和双曲线围护板旋转挂件，每个双曲线围护板均固定在相应的双曲线围护板环向支架和双曲线围护板子午向支架做成的围护骨架上，每个围护骨架均安装有双曲线围护板旋转挂件，双曲线围护板系统只有一个旋转电机，该旋转电机与其中一个双曲线围护板旋转挂件连接，各围护骨架之间通过一连接杆连接，连接杆与各围护骨架铰接配合，旋转电机带动与其连接的一个双曲线围护板旋转挂件旋转时，该双曲线围护板旋转挂件能带动连接杆位移，连接杆带动其余各围护骨架随动，使得一个双曲线围护板系统中的各双曲线围护板统一动作。The above-mentioned hyperbolic enclosure panel system includes a plurality of hyperbolic enclosure panels, hyperbolic enclosure panel annular brackets, hyperbolic enclosure panel meridian brackets and hyperbolic enclosure panel rotating hangers. Each hyperbolic enclosure panel is fixed on a corresponding enclosure frame made of a hyperbolic enclosure panel annular bracket and a hyperbolic enclosure panel meridian bracket. Each enclosure frame is equipped with a hyperbolic enclosure panel rotating hanger. The hyperbolic enclosure panel system has only one rotating motor, which is connected to one of the hyperbolic enclosure panel rotating hangers. The enclosure frames are connected by a connecting rod, which is hinged to each enclosure frame. When the rotating motor drives a hyperbolic enclosure panel rotating hanger connected to it to rotate, the hyperbolic enclosure panel rotating hanger can drive the connecting rod to move, and the connecting rod drives the remaining enclosure frames to move, so that the hyperbolic enclosure panels in a hyperbolic enclosure panel system move in a unified manner.
为优化上述技术方案，采取的具体措施还包括：To optimize the above technical solutions, the specific measures taken also include:
上述的桁架系统为型钢结构或网架格构结构。The above-mentioned truss system is a steel structure or a grid lattice structure.
上述的风雨感应器采用BALUK363无线传感器，可检测风压及雨强信号并以无线电信号传递到控制器，控制器采用台达伺服B2系列电机驱动器，当其接受的风压及雨强电磁信号超限时，产生并传递电机控制信号至旋转电机，旋转电机采用K8178R直流遥控电机。The above-mentioned wind and rain sensor uses BALUK363 wireless sensor, which can detect wind pressure and rain intensity signals and transmit them to the controller via radio signals. The controller uses Delta servo B2 series motor driver. When the wind pressure and rain intensity electromagnetic signals it receives exceed the limit, it generates and transmits the motor control signal to the rotating motor. The rotating motor uses K8178R DC remote control motor.
上述的环向桁架包括环向桁架内弦杆、环向桁架外弦杆和环向桁架腹杆,环向桁架外弦杆通过环向桁架腹杆水平焊接在环向桁架内弦杆外侧，左右相邻环向桁架腹杆首尾相连。The above-mentioned ring truss includes a ring truss inner chord, a ring truss outer chord and a ring truss web. The ring truss outer chord is horizontally welded to the outside of the ring truss inner chord through the ring truss web, and the left and right adjacent ring truss webs are connected end to end.
上述的子午向桁架包括子午向桁架内弦杆、子午向桁架外弦杆和子午向桁架腹杆，子午向桁架外弦杆通过子午向桁架腹杆纵向焊接在子午向桁架内弦杆外侧，上下相邻子午向桁架腹杆首尾相连。The above-mentioned meridian truss includes a meridian truss inner chord, a meridian truss outer chord and a meridian truss web. The meridian truss outer chord is longitudinally welded to the outer side of the meridian truss inner chord through the meridian truss web, and the upper and lower adjacent meridian truss webs are connected end to end.
上述的纵横交错处的环向桁架腹杆与子午向桁架腹杆通过焊接相连，纵横交错处的子午向桁架外弦杆与环向桁架外弦杆焊接相连。The web members of the annular trusses at the crisscross positions are connected to the web members of the meridian trusses by welding, and the outer chord members of the meridian trusses at the crisscross positions are connected to the outer chord members of the annular trusses by welding.
本发明具有以下有益效果：The present invention has the following beneficial effects:
1)桁架系统的环向桁架沿冷却塔塔筒高度均匀分布，可约束住冷却塔薄壳的水平变形，而贯穿子午向的子午向桁架约束住冷却塔塔筒的整体倾覆变形，因而对于冷却塔具有刚性环和子午肋的作用，可显著提高冷却塔塔筒整体稳定性。1) The annular trusses of the truss system are evenly distributed along the height of the cooling tower, which can constrain the horizontal deformation of the cooling tower shell, while the meridian trusses running through the meridian direction constrain the overall overturning deformation of the cooling tower, thus having the effect of a rigid ring and meridian rib for the cooling tower, which can significantly improve the overall stability of the cooling tower.
2)桁架系统外凸在双曲线围护板系统表面，可有效提高冷却塔塔筒表面粗糙度，从而使得流经冷却塔塔筒与边界分离漩涡的流速有所减小，进而有效减小冷却塔塔筒表面风压。2) The truss system protrudes on the surface of the hyperbolic enclosure system, which can effectively increase the surface roughness of the cooling tower barrel, thereby reducing the flow velocity of the cooling tower barrel and the boundary separation vortex, thereby effectively reducing the wind pressure on the surface of the cooling tower barrel.
3)相较于传统冷却塔，本发明通过将双曲线围护板系统铺设在冷却塔塔筒表面，在强台风的停机环境时，伺服开合系统根据检测的塔顶风压及雨强，控制旋转电机驱动双曲线围护板系统调整开合姿态。闭合姿态时，能包覆形成冷却塔的双曲线形塔筒，提供冷却塔自然通风循环的气动外形；开启姿态时，有效减小冷却塔塔筒迎风面积，进而直接减小冷却塔结构设计风荷载，提高结构设计安全储备。3) Compared with the traditional cooling tower, the present invention lays the hyperbolic enclosure system on the surface of the cooling tower. In the shutdown environment of strong typhoon, the servo opening and closing system controls the rotating motor to drive the hyperbolic enclosure system to adjust the opening and closing posture according to the detected wind pressure and rain intensity at the top of the tower. In the closed posture, it can cover the hyperbolic tower of the cooling tower and provide the aerodynamic shape of the cooling tower for natural ventilation circulation; in the open posture, it effectively reduces the windward area of the cooling tower, thereby directly reducing the wind load of the cooling tower structure design and improving the safety reserve of the structural design.
附图说明BRIEF DESCRIPTION OF THE DRAWINGS
图1是本发明的结构开启姿态结构示意图；FIG1 is a schematic diagram of the structure of the present invention in an open position;
图2是本发明的结构闭合姿态结构示意图；Fig. 2 is a schematic diagram of the structure of the closed posture of the present invention;
图3是图1的桁架系统与双曲线围护板系统示意图；FIG3 is a schematic diagram of the truss system and the hyperbolic enclosure system of FIG1 ;
图4是图1的风雨感应器与环向桁架连接示意图；FIG4 is a schematic diagram of the connection between the wind and rain sensor and the annular truss of FIG1 ;
图5是图1的双曲线围护板结构示意图。FIG. 5 is a schematic diagram of the hyperbolic enclosure structure of FIG. 1 .
其中，附图标记为：桁架系统1、环向桁架11、环向桁架内弦杆11a、环向桁架外弦杆11b、环向桁架腹杆11c、子午向桁架12、子午向桁架内弦杆12a、子午向桁架外弦杆12b、子午向桁架腹杆12c、伺服开合系统2、风雨感应器21、双曲线围护板系统3、双曲线围护板31、双曲线围护板环向支架32、双曲线围护板子午向支架33、双曲线围护板旋转挂件34、旋转电机35、连接杆36。Among them, the figure markings are: truss system 1, annular truss 11, annular truss inner chord 11a, annular truss outer chord 11b, annular truss web 11c, meridian truss 12, meridian truss inner chord 12a, meridian truss outer chord 12b, meridian truss web 12c, servo opening and closing system 2, wind and rain sensor 21, hyperbolic enclosure panel system 3, hyperbolic enclosure panel 31, hyperbolic enclosure panel annular bracket 32, hyperbolic enclosure panel meridian bracket 33, hyperbolic enclosure panel rotating hanger 34, rotating motor 35, connecting rod 36.
具体实施方式DETAILED DESCRIPTION
以下结合附图对本发明的实施例作进一步详细描述。The embodiments of the present invention are further described in detail below in conjunction with the accompanying drawings.
本实施例的一种抗强台风的自适应钢结构冷却塔，如图1和图2所述的抗强台风的自适应钢结构冷却塔是110m高的钢桁架自然通台风冷却塔，底部支柱高20m，包括桁架系统1、双曲线围护板系统3和伺服开合系统2，桁架系统1包括若干个环向桁架11和若干个子午向桁架12，所述环向桁架11与子午向桁架12相互纵横交错连接，组成冷却塔承载骨架，冷却塔塔筒高度均匀分布的环向桁架11，约束住冷却塔薄壳的水平变形，而贯穿子午向的子午向桁架12约束住冷却塔塔筒的整体倾覆变形，因而对于冷却塔具有刚性环和子午肋的作用，可显著提高冷却塔塔筒整体稳定性，而桁架系统可有效提高冷却塔塔筒表面粗糙度，从而使得流经冷却塔塔筒与边界分离漩涡的流速有所减小，进而有效减小冷却塔塔筒表面风压。每个相邻环向桁架11与子午向桁架12围成的空间中，均安装一个双曲线围护板系统3，环向桁架11和子午向桁架12外侧外凸至双曲线围护板系统3外侧，双曲线围护板系统3包括双曲线围护板31、双曲线围护板环向支架32、双曲线围护板子午向支架33、双曲线围护板旋转挂件34以及旋转电机35，双曲线围护板31固定安装在双曲线围护板环向支架32和双曲线围护板子午向支架33组成的围护骨架上，双曲线围护板旋转挂件34与围护骨架固定连接，双曲线围护板旋转挂件34与双曲线围护板子午向支架33平行，且双曲线围护板旋转挂件34位于围护骨架中部，双曲线围护板旋转挂件34的上端和下端与相应的环向桁架11定位连接，且双曲线围护板旋转挂件34能绕自身轴心转动，旋转电机35安装在双曲线围护板旋转挂件34上，旋转电机35用于驱动双曲线围护板旋转挂件34转动，从而使得双曲线围护板31能绕双曲线围护板旋转挂件34轴心转动至少90°，伺服开合系统2包括风雨感应器21和控制器，风雨感应器21安装在冷却塔顶部环向桁架11上，用于测量冷却塔塔顶风压与雨强，风雨感应器21与控制器连接，控制器与各旋转电机35连接，当台风雨超过限值时，风雨感应器21将信号发送至控制器，控制器控制各旋转电机35转动，使双曲线围护板31与来风方向平行，使冷却塔塔筒迎风面积急剧减小，进而直接减小冷却塔结构设计风荷载。An adaptive steel structure cooling tower resistant to strong typhoons in the present embodiment, as shown in Figures 1 and 2, is a 110m high steel truss natural typhoon cooling tower with a bottom support of 20m high, including a truss system 1, a hyperbolic enclosure system 3 and a servo opening and closing system 2. The truss system 1 includes a plurality of annular trusses 11 and a plurality of meridian trusses 12. The annular trusses 11 and the meridian trusses 12 are crisscrossed and connected to each other to form a bearing skeleton of the cooling tower. The annular trusses 11 uniformly distributed in the height of the cooling tower barrel restrict the horizontal deformation of the cooling tower shell, and the meridian trusses 12 running through the meridian direction restrict the overall overturning deformation of the cooling tower barrel, so that the cooling tower has the effect of a rigid ring and a meridian rib, which can significantly improve the overall stability of the cooling tower barrel, and the truss system can effectively improve the surface roughness of the cooling tower barrel, thereby reducing the flow velocity of the cooling tower barrel and the boundary separation vortex, thereby effectively reducing the wind pressure on the surface of the cooling tower barrel. A hyperbolic enclosure panel system 3 is installed in the space enclosed by each adjacent annular truss 11 and meridian truss 12. The outer sides of the annular truss 11 and meridian truss 12 protrude to the outer side of the hyperbolic enclosure panel system 3. The hyperbolic enclosure panel system 3 includes a hyperbolic enclosure panel 31, a hyperbolic enclosure panel annular bracket 32, a hyperbolic enclosure panel meridian bracket 33, a hyperbolic enclosure panel rotating hanger 34 and a rotating motor 35. The hyperbolic enclosure panel 31 is fixedly installed on the enclosure frame composed of the hyperbolic enclosure panel annular bracket 32 and the hyperbolic enclosure panel meridian bracket 33. The hyperbolic enclosure panel rotating hanger 34 is fixedly connected to the enclosure frame. The hyperbolic enclosure panel rotating hanger 34 is parallel to the hyperbolic enclosure panel meridian bracket 33, and the hyperbolic enclosure panel rotating hanger 34 is located in the middle of the enclosure frame. The upper and lower ends of the hyperbolic enclosure panel rotating hanger 34 are connected to the corresponding annular truss 11. The hyperbolic enclosure plate rotating hanger 34 is positioned and connected, and the hyperbolic enclosure plate rotating hanger 34 can rotate around its own axis. The rotating motor 35 is installed on the hyperbolic enclosure plate rotating hanger 34. The rotating motor 35 is used to drive the hyperbolic enclosure plate rotating hanger 34 to rotate, so that the hyperbolic enclosure plate 31 can rotate at least 90° around the axis of the hyperbolic enclosure plate rotating hanger 34. The servo opening and closing system 2 includes a wind and rain sensor 21 and a controller. The wind and rain sensor 21 is installed on the annular truss 11 at the top of the cooling tower, and is used to measure the wind pressure and rain intensity at the top of the cooling tower. The wind and rain sensor 21 is connected to the controller, and the controller is connected to each rotating motor 35. When the typhoon rain exceeds the limit, the wind and rain sensor 21 sends a signal to the controller, and the controller controls each rotating motor 35 to rotate, so that the hyperbolic enclosure plate 31 is parallel to the incoming wind direction, so that the windward area of the cooling tower barrel is sharply reduced, thereby directly reducing the design wind load of the cooling tower structure.
实施例中，双曲线围护板系统3包括10个双曲线围护板31、双曲线围护板环向支架32、双曲线围护板子午向支架33和双曲线围护板旋转挂件34，每个双曲线围护板31均固定在相应的双曲线围护板环向支架32和双曲线围护板子午向支架33做成的围护骨架上，每个围护骨架均安装有双曲线围护板旋转挂件34，双曲线围护板系统3只有一个旋转电机35，该旋转电机35与其中一个双曲线围护板旋转挂件34连接，各围护骨架之间通过一连接杆36连接，连接杆36与各围护骨架铰接配合，旋转电机35带动与其连接的一个双曲线围护板旋转挂件34旋转时，该双曲线围护板旋转挂件34能带动连接杆36位移，连接杆36带动其余各围护骨架随动，使得一个双曲线围护板系统3中的各双曲线围护板31统一动作。In the embodiment, the hyperbolic enclosure system 3 includes 10 hyperbolic enclosures 31, hyperbolic enclosure annular brackets 32, hyperbolic enclosure meridian brackets 33 and hyperbolic enclosure rotating hangers 34. Each hyperbolic enclosure 31 is fixed on a corresponding enclosure frame made of a hyperbolic enclosure annular bracket 32 and a hyperbolic enclosure meridian bracket 33. Each enclosure frame is equipped with a hyperbolic enclosure rotating hanger 34. The hyperbolic enclosure system 3 has only one rotating motor 35. The rotating motor 35 is connected to one of the hyperbolic enclosure plate rotating hangers 34, and each enclosure frame is connected by a connecting rod 36. The connecting rod 36 is hinged with each enclosure frame. When the rotating motor 35 drives a hyperbolic enclosure plate rotating hanger 34 connected to it to rotate, the hyperbolic enclosure plate rotating hanger 34 can drive the connecting rod 36 to move, and the connecting rod 36 drives the remaining enclosure frames to move, so that each hyperbolic enclosure plate 31 in a hyperbolic enclosure plate system 3 moves in a unified manner.
实施例中，桁架系统1为型钢结构或网架格构结构。In the embodiment, the truss system 1 is a steel structure or a grid lattice structure.
实施例中，风雨感应器21采用BALUK363无线传感器，可检测风压及雨强信号并以无线电信号传递到控制器，控制器采用台达伺服B2系列电机驱动器，当其接受的风压及雨强电磁信号超限时，产生并传递电机控制信号至旋转电机35，旋转电机35采用K8178R直流遥控电机。In the embodiment, the wind and rain sensor 21 adopts a BALUK363 wireless sensor, which can detect wind pressure and rain intensity signals and transmit them to the controller via radio signals. The controller adopts a Delta servo B2 series motor driver. When the wind pressure and rain intensity electromagnetic signals it receives exceed the limit, it generates and transmits a motor control signal to the rotating motor 35. The rotating motor 35 adopts a K8178R DC remote control motor.
实施例中，环向桁架11包括环向桁架内弦杆11a、环向桁架外弦杆11b和环向桁架腹杆11c,环向桁架外弦杆11b通过环向桁架腹杆11c水平焊接在环向桁架内弦杆11a外侧，左右相邻环向桁架腹杆11c首尾相连。In the embodiment, the annular truss 11 includes an inner chord 11a, an outer chord 11b and a web 11c. The outer chord 11b is horizontally welded to the outer side of the inner chord 11a through the web 11c, and the left and right adjacent webs 11c are connected end to end.
实施例中，子午向桁架12包括子午向桁架内弦杆12a、子午向桁架外弦杆12b和子午向桁架腹杆12c，子午向桁架外弦杆12b通过子午向桁架腹杆12c纵向焊接在子午向桁架内弦杆12a外侧，上下相邻子午向桁架腹杆12c首尾相连。In the embodiment, the meridian truss 12 includes a meridian truss inner chord 12a, a meridian truss outer chord 12b and a meridian truss web 12c. The meridian truss outer chord 12b is longitudinally welded to the outer side of the meridian truss inner chord 12a through the meridian truss web 12c, and the upper and lower adjacent meridian truss webs 12c are connected end to end.
实施例中，纵横交错处的环向桁架腹杆11c与子午向桁架腹杆12c通过焊接相连，纵横交错处的子午向桁架外弦杆12b与环向桁架外弦杆11b焊接相连。In the embodiment, the web members 11c of the annular truss at the criss-cross positions are connected to the web members 12c of the meridian truss by welding, and the outer chord members 12b of the meridian truss at the criss-cross positions are connected to the outer chord members 11b of the annular truss by welding.
本发明双曲线围护板环向支架32、双曲线围护板子午向支架33采用型钢制成，本发明双曲线围护板31由模数制的商业围护板拼装而成，本发明双曲线围护板31、双曲线围护板环向支架32和双曲线围护板子午向支架33的弧度与冷却塔塔筒相吻合。The hyperbolic enclosure plate annular bracket 32 and the hyperbolic enclosure plate meridian bracket 33 of the present invention are made of steel sections. The hyperbolic enclosure plate 31 of the present invention is assembled from modular commercial enclosure plates. The curvature of the hyperbolic enclosure plate 31, the hyperbolic enclosure plate annular bracket 32 and the hyperbolic enclosure plate meridian bracket 33 of the present invention is consistent with the cooling tower tube.
以上仅是本发明的优选实施方式，本发明的保护范围并不仅局限于上述实施例，凡属于本发明思路下的技术方案均属于本发明的保护范围。应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理前提下的若干改进和润饰，应视为本发明的保护范围。The above are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should be regarded as the protection scope of the present invention.
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