CN107215446A - A kind of impedance variable base construction peculiar to vessel - Google Patents
A kind of impedance variable base construction peculiar to vessel Download PDFInfo
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- CN107215446A CN107215446A CN201710411378.4A CN201710411378A CN107215446A CN 107215446 A CN107215446 A CN 107215446A CN 201710411378 A CN201710411378 A CN 201710411378A CN 107215446 A CN107215446 A CN 107215446A
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- 238000009411 base construction Methods 0.000 title claims 5
- 238000009434 installation Methods 0.000 abstract description 42
- 230000009467 reduction Effects 0.000 abstract description 6
- 238000002955 isolation Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 230000008859 change Effects 0.000 description 6
- 239000011229 interlayer Substances 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 230000003993 interaction Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000000703 anti-shock Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000013332 literature search Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000001721 transfer moulding Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H21/00—Use of propulsion power plant or units on vessels
- B63H21/30—Mounting of propulsion plant or unit, e.g. for anti-vibration purposes
- B63H21/305—Mounting of propulsion plant or unit, e.g. for anti-vibration purposes with passive vibration damping
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Abstract
本发明提供一种船用阻抗可变基座结构，包括由垂直连接的固定腹板和设备公共安装面板、均匀设置在固定腹板和公共安装面板之间的固定支撑肘板组成的基座结构主体，在相邻两个固定支撑肘板之间的固定腹板上以及设备公共安装面板上分别设置有方向一槽道，两个相互垂直的槽道中设置有可调节肘板，所述固定腹板外端面设置有可拆卸的活动腹板，所述设备公共安装面板上设置有可拆卸的活动面板。本发明所要解决的问题是：克服现有基座结构在阻抗调节、减振降噪以及适用范围等方面存在的缺点，提供一种船用阻抗可变基座结构，该基座结构具有结构简单、安装方便、阻抗调节灵活、应用范围广等优点，能够有效抑制设备传递下来的振动、改善舰船的声隐身性能。
The present invention provides a marine impedance variable base structure, which includes a base structure main body composed of vertically connected fixed webs and equipment common installation panels, and fixed support brackets evenly arranged between the fixed webs and the common installation panels , on the fixed web between two adjacent fixed support brackets and on the common installation panel of the equipment, there are respectively a direction-one channel, and an adjustable bracket is provided in the two mutually perpendicular channels, and the fixed web A detachable movable web is arranged on the outer end surface, and a detachable movable panel is arranged on the common installation panel of the equipment. The problem to be solved by the present invention is to overcome the shortcomings of existing base structures in terms of impedance adjustment, vibration and noise reduction, and application range, and provide a variable impedance base structure for ships. The base structure has a simple structure, The advantages of convenient installation, flexible impedance adjustment, and wide application range can effectively suppress the vibration transmitted by the equipment and improve the acoustic stealth performance of the ship.
Description
技术领域technical field
本发明涉及一种用于设备安装的阻抗可变基座结构，尤其涉及一种船用阻抗可变基座结构，是一种能够有效减少船用设备机械振动与噪声的基座结构。The invention relates to a variable impedance base structure for equipment installation, in particular to a variable impedance base structure for ships, which is a base structure capable of effectively reducing mechanical vibration and noise of marine equipment.
背景技术Background technique
基座结构作为机械设备向船体结构进行振动噪声传递的重要介质，其阻抗特性决定着从振动源输入到船体结构构件中振动能量比例的大小，是重要的设计参数之一。然而基座结构一旦被安装，其输入机械阻抗也随之确定并很难再改变。现有的减振隔振措施是在设备与基座之间安装昂贵的减振隔振装置，这样既增加了建造成本，又对设备安装工艺提出新的要求，且其减振隔振的效果也由于设备安装环境的复杂化而不是特别明显。The base structure is an important medium for the transmission of vibration and noise from mechanical equipment to the hull structure, and its impedance characteristics determine the proportion of vibration energy input from the vibration source to the structural members of the hull, which is one of the important design parameters. However, once the base structure is installed, its input mechanical impedance is determined and difficult to change. The existing vibration reduction and vibration isolation measures are to install expensive vibration reduction and vibration isolation devices between the equipment and the base, which not only increases the construction cost, but also puts forward new requirements for the equipment installation process, and its vibration reduction and vibration isolation effect It is also not particularly obvious due to the complexity of the equipment installation environment.
在舰船结构减振降噪技术上，为了减小设备对船体结构的输入功率和降低相应船体结构的声振动，通常提高舰船结构的输入机械阻抗是舰船减振降噪比较方便和有效的途径之一。这种阻抗可变基座结构基于阻抗分析技术对设备安装基座结构进行的优化设计，使其在承受设备的动静载荷、传递结构与设备间相互作用载荷的同时，能够灵活有效地限制和阻抑设备传递下来的振动，这对于改善设备正常工作带来的机械振动和噪声具有十分重要的意义。In terms of vibration and noise reduction technology for ship structures, in order to reduce the input power of equipment to the hull structure and reduce the acoustic vibration of the corresponding hull structure, it is usually more convenient and effective to increase the input mechanical impedance of the ship structure. one of the ways. This variable impedance base structure is based on the impedance analysis technology to optimize the design of the equipment installation base structure, so that it can flexibly and effectively limit and resist while bearing the dynamic and static loads of the equipment and transmitting the interaction load between the structure and the equipment. It is of great significance to improve the mechanical vibration and noise caused by the normal operation of the equipment.
通过对现有技术的文献检索发现，近年来，关于基座结构形式相类似的专利文献鲜有发表，与本发明专利有关的公开资料主要包括：1、一种水面舰船抗冲击型基座结构(专利号：CN106143859A)；2、一种新型轻质高强隔振舰艇用基座(专利号：CN20491052U)；3、一种船用减震基座(专利号：CN205602082U)；Through the literature search of the prior art, it is found that in recent years, there are few patent documents about the similar structure of the base, and the public information related to the patent of the present invention mainly includes: 1. A kind of anti-shock base for surface warships Structure (Patent No.: CN106143859A); 2. A new lightweight high-strength vibration-isolation ship base (Patent No.: CN20491052U); 3. A marine shock-absorbing base (Patent No.: CN205602082U);
专利1是一种可安装500kg以内设备，承载速度冲击谱不超过3m/s的长方抗冲击型基座结构，包括基座面板，基座纵向腹板两块，基座横向腹板两块，肘板四块，各基座面板、腹板及肘板均为高强度钢，钢板屈服强度大于等于355MPa，基座为焊接结构。基座面板为水平布置，其下腹板垂直焊接由纵向腹板、横向腹板及肘板，基座面板及各腹板、肘板焊接而成。专利2公开了一种新型轻质高强隔振舰艇用基座，它包括腹板、肋板、面板、隔振夹层四部分，所述腹板、肋板、面板内部均植有隔振夹层；所述隔振夹层在RTM即树脂传递模塑成型制备过程中在铺敷干丝时植入；该隔振夹层由镶嵌钢珠的硅橡胶或尺寸不同钢片组成，基座成型采用干丝及夹层铺敷在阴阳合模模具中注入环氧树脂的RTM成型工艺；该腹板的形状是四边形板料，该肋板是矩形板料，该面板是设有四个连接通孔的矩形板料。专利3发明涉及一种船用减震基座，所述船用减震基座，包括腹板和顶板，所述腹板竖直设置，所述腹板形状为梯形，所述顶板水平固定在腹板顶端，所述腹板底部水平排列设置有一个以上的半圆形的通孔，所述半圆形的通孔内填充有阻尼材料。Patent 1 is a rectangular impact-resistant base structure that can install equipment within 500kg, and the load-bearing speed shock spectrum does not exceed 3m/s, including a base panel, two longitudinal webs of the base, and two transverse webs of the base , four brackets, each base panel, web and brackets are high-strength steel, the yield strength of the steel plate is greater than or equal to 355MPa, and the base is a welded structure. The base panel is arranged horizontally, and its lower web is vertically welded by the longitudinal web, transverse web and bracket, and the base panel and each web and bracket are welded. Patent 2 discloses a new type of light-weight high-strength vibration-isolation ship base, which includes four parts: web, rib, face plate, and vibration-isolation interlayer. The web, rib plate, and face plate are all planted with vibration-isolation interlayer; The vibration-isolation interlayer is implanted during the laying of dry wire during the preparation process of RTM (resin transfer molding); the vibration-isolation interlayer is composed of silicon rubber inlaid with steel balls or steel sheets of different sizes, and the base is formed by dry wire and interlayer The RTM molding process of injecting epoxy resin into the male and female molds; the shape of the web is a quadrilateral sheet material, the rib plate is a rectangular sheet material, and the panel is a rectangular sheet material with four connecting through holes. The invention of patent 3 relates to a marine shock-absorbing base. The marine shock-absorbing base includes a web and a top plate. The web is arranged vertically. The shape of the web is trapezoidal. At the top, the bottom of the web is horizontally arranged with more than one semicircular through hole, and the semicircular through hole is filled with damping material.
综上所述，已公开发表的文献或专利与本发明均存在较大的差异，并且尚无相关申请专利，本发明对一种船用阻抗可变基座结构进行了介绍，为改善舰船的声隐身性能提供参考，而且本发明具有结构简单、安装方便、阻抗调节灵活、应用范围广等优点。In summary, there are large differences between the published literature or patents and the present invention, and there is no related patent application. The present invention introduces a marine impedance variable base structure, in order to improve the ship's Acoustic stealth performance provides a reference, and the invention has the advantages of simple structure, convenient installation, flexible impedance adjustment, wide application range and the like.
发明内容Contents of the invention
本发明的目的是为了提供一种船用阻抗可变基座结构，本发明所要解决的问题是：克服现有基座结构在阻抗调节、减振降噪以及适用范围等方面存在的缺点，提供一种船用阻抗可变基座结构，该基座结构具有结构简单、安装方便、阻抗调节灵活、应用范围广等优点，能够有效抑制设备传递下来的振动、改善舰船的声隐身性能。The object of the present invention is to provide a variable impedance base structure for ships. The problem to be solved by the present invention is to overcome the shortcomings of existing base structures in terms of impedance adjustment, vibration and noise reduction, and application range, and provide a A marine impedance variable base structure, the base structure has the advantages of simple structure, convenient installation, flexible impedance adjustment, wide application range, etc., can effectively suppress the vibration transmitted by the equipment, and improve the acoustic stealth performance of the ship.
本发明的目的是这样实现的：包括由垂直连接的固定腹板和设备公共安装面板、均匀设置在固定腹板和公共安装面板之间的固定支撑肘板组成的基座结构主体，在相邻两个固定支撑肘板之间的固定腹板上以及设备公共安装面板上分别设置有方向一槽道，两个相互垂直的槽道中设置有可调节肘板，所述固定腹板外端面设置有可拆卸的活动腹板，所述设备公共安装面板上设置有可拆卸的活动面板。The purpose of the present invention is achieved in this way: the base structure main body is composed of vertically connected fixed webs and common installation panels of equipment, and fixed support brackets evenly arranged between the fixed webs and the common installation panels. The fixed web between the two fixed support brackets and the common installation panel of the equipment are respectively provided with a direction-one channel, and the two mutually perpendicular channels are provided with adjustable brackets, and the outer end surface of the fixed web is provided with A detachable movable web, and a detachable movable panel is arranged on the common installation panel of the equipment.
本发明还包括这样一些结构特征：The present invention also includes such structural features:
1.所述固定腹板外端面设置有可拆卸的活动腹板是指：固定腹板上与活动腹板上分别设置有安装孔且二者通过螺栓连接。1. The outer end surface of the fixed web is provided with a detachable movable web means: the fixed web and the movable web are respectively provided with mounting holes and the two are connected by bolts.
2.两个相互垂直的槽道中设置有可调节肘板是指：两个相互垂直的槽道上分别设置有一列安装孔，可调节肘板通过螺栓与任意对应的安装孔与两个相互垂直的槽道连接。2. Adjustable brackets are set in two mutually perpendicular channels means: a row of installation holes are respectively arranged on the two mutually perpendicular channels, and the adjustable brackets are connected with any corresponding installation holes through bolts and two mutually perpendicular channels. Channel connections.
与现有技术相比，本发明的有益效果是：本发明可根据安装设备型号及尺寸选择合适的活动面板板厚、活动腹板板厚及肘板间距，一般情况下改变实施例三种方式之一，或者同时改变上述两种或三种方式就能满足典型机电设备实船阻抗环境的要求。本发明具有结构简单、安装方便、阻抗调节灵活、应用范围广等优点，在承受设备的动静载荷、传递结构与设备间相互作用载荷的同时，能够灵活有效地阻抑设备传递下来的振动，提高舰船的声隐身性能，具有良好的经济性和广阔的应用前景。Compared with the prior art, the beneficial effect of the present invention is that the present invention can select the appropriate movable panel thickness, movable web thickness and bracket spacing according to the type and size of the installation equipment, and generally change the three modes of the embodiment One of the above methods, or changing the above two or three methods at the same time can meet the requirements of the real ship impedance environment of typical electromechanical equipment. The invention has the advantages of simple structure, convenient installation, flexible impedance adjustment, wide application range, etc., and can flexibly and effectively suppress the vibration transmitted by the equipment while bearing the static and dynamic load of the equipment, and the interaction load between the transmission structure and the equipment, and improve the The acoustic stealth performance of ships has good economy and broad application prospects.
附图说明Description of drawings
图1是本发明的船用阻抗可变基座结构正视图；Fig. 1 is the front view of the marine impedance variable base structure of the present invention;
图2是本发明的船用阻抗可变基座结构俯视图；Fig. 2 is a top view of the structure of the variable impedance base for ships of the present invention;
图3是本发明的船用阻抗可变基座结构侧视图；Fig. 3 is a side view of the structure of the marine variable impedance base of the present invention;
图4是本发明的可调节肘板结构图；Fig. 4 is a structural diagram of the adjustable toggle plate of the present invention;
图5是本发明的槽道结构图；Fig. 5 is a channel structure diagram of the present invention;
图6是本发明的船用阻抗可变基座结构图；Fig. 6 is a structure diagram of a marine impedance variable base of the present invention;
图7是本发明的活动面板安装后基座结构示意图；Fig. 7 is a schematic diagram of the base structure after the movable panel of the present invention is installed;
图8是本发明的活动腹板安装后基座结构示意图；Fig. 8 is a schematic diagram of the base structure after the movable web is installed in the present invention;
图9是本发明的可调节肘板安装局部示意图；Fig. 9 is a partial schematic diagram of the installation of the adjustable toggle plate of the present invention;
图10是本发明的可调节肘板安装后基座结构示意图；Fig. 10 is a schematic diagram of the base structure after the adjustable toggle plate of the present invention is installed;
图中：1活动面板，2活动腹板，3可调节肘板，4设备公共安装面板，5固定支撑肘板，6固定腹板，7螺栓，8槽道，9安装孔。In the figure: 1 movable panel, 2 movable web, 3 adjustable bracket, 4 equipment common installation panel, 5 fixed support bracket, 6 fixed web, 7 bolt, 8 channel, 9 installation hole.
具体实施方式detailed description
下面结合附图与具体实施方式对本发明作进一步详细描述。The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
结合图1～图6，对本发明的船用阻抗可变基座结构的使用方法进行详细描述。该基座结构由设备公共安装面板4、固定腹板6、固定支撑肘板5构成基座结构主体，由活动面板1、活动腹板2、可调节肘板3通过螺栓7连接，与基座结构主体构成阻抗可变基座结构。在两相邻固定支撑肘板5之间设置有用于安装可调节肘板3的槽道8，槽道8设置于面板4和腹板6(两相邻固定肘板之间)的中心位置，且槽道8内设置有用于固定可调节肘板3的安装孔。设备公共安装面板4和活动面板1的相应位置处，设有用于设备安装及两者间连接的安装孔9。而腹板6和活动腹板2的相应位置处设有用于两者间连接的安装孔9。可调节肘板通过内角螺栓实现与设备公共安装面板及腹板的固定连接。活动面板1和活动腹板6通过内角螺栓实现与设备公共安装面板4和腹板6的固定连接。本发明具有结构简单、安装方便、阻抗调节灵活、应用范围广等优点，在承受设备的动静载荷、传递结构与设备间相互作用载荷的同时，能够灵活有效地阻抑设备传递下来的振动，提高舰船的声隐身性能，具有良好的经济性和广阔的应用前景。With reference to Fig. 1 to Fig. 6, the usage method of the marine variable impedance base structure of the present invention will be described in detail. The base structure is composed of equipment public installation panel 4, fixed web 6, and fixed support bracket 5 to form the main body of the base structure, and the movable panel 1, movable web 2, and adjustable bracket 3 are connected by bolts 7, and are The main body of the structure constitutes the impedance variable base structure. A channel 8 for installing the adjustable bracket 3 is provided between two adjacent fixed support brackets 5, and the channel 8 is provided at the center of the face plate 4 and the web 6 (between two adjacent fixed brackets), And the channel 8 is provided with a mounting hole for fixing the adjustable toggle plate 3 . At corresponding positions of the equipment public installation panel 4 and the movable panel 1, installation holes 9 for equipment installation and connection between the two are provided. The corresponding positions of the web 6 and the movable web 2 are provided with mounting holes 9 for connection between the two. The adjustable bracket is fixedly connected to the common installation panel and web of the equipment through inner angle bolts. The movable panel 1 and the movable web 6 are fixedly connected with the common installation panel 4 and the web 6 of the equipment through inner angle bolts. The invention has the advantages of simple structure, convenient installation, flexible impedance adjustment, wide application range, etc., and can flexibly and effectively suppress the vibration transmitted by the equipment while bearing the static and dynamic load of the equipment, and the interaction load between the transmission structure and the equipment, and improve the The acoustic stealth performance of ships has good economy and broad application prospects.
为满足典型机电设备实船阻抗环境要求，一般情况下通过改变基座面板板厚、腹板板厚及肘板间距等方式来实现。本发明的船用阻抗可变基座结构可通过下述一种、两种或三种方式来实现阻抗的改变，具体实施方式如下：In order to meet the impedance environment requirements of typical electromechanical equipment on a real ship, it is generally achieved by changing the thickness of the base panel, the thickness of the web, and the spacing between the brackets. The variable impedance base structure for ships of the present invention can realize the change of impedance through one, two or three ways as follows, and the specific implementation methods are as follows:
方式一：改变面板板厚；通过安装孔9将设备公共安装面板4和活动面板1进行螺栓7连接，其中活动面板1的板厚可以根据安装设备的型号及尺寸进行调节。活动面板安装后基座结构如图7所示。Method 1: Change the thickness of the panel; connect the equipment public installation panel 4 and the movable panel 1 with bolts 7 through the installation hole 9, and the thickness of the movable panel 1 can be adjusted according to the type and size of the installed equipment. The base structure after the movable panel is installed is shown in Figure 7.
方式二：改变腹板板厚；通过安装孔9将活动腹板2和腹板6进行螺栓连接，其中活动腹板2的板厚可以根据安装设备的型号及尺寸进行调节。活动腹板安装后基座结构如图8所示。Method 2: change the thickness of the web plate; bolt the movable web 2 and the web 6 through the installation hole 9, wherein the thickness of the movable web 2 can be adjusted according to the type and size of the installation equipment. The structure of the base after the movable web is installed is shown in Figure 8.
方式三：改变肘板间距；将可调节肘板3安装于两相邻固定肘板5之间的槽道内，并通过安装孔9将可调节肘板3与公共安装面板4和腹板6进行螺栓连接。可调节肘板安装局部示意图如图9所示，可调节肘板安装后基座结构如图10所示。Method 3: Change the bracket spacing; install the adjustable bracket 3 in the channel between two adjacent fixed brackets 5, and connect the adjustable bracket 3 with the common installation panel 4 and web 6 through the installation hole 9 Bolted. Figure 9 shows the partial schematic diagram of the adjustable toggle plate installation, and Figure 10 shows the base structure after the adjustable toggle plate is installed.
综上，本发明公开了一种主要用于设备安装的阻抗可变基座结构。该基座结构由设备公共安装面板、腹板、固定支撑肘板构成基座结构主体，由活动面板、活动腹板、可调节肘板通过螺栓连接，与基座结构主体构成阻抗可变基座结构。在两相邻固定肘板之间设置有用于安装可调节肘板的槽道，槽道设置于面板和腹板(两相邻固定肘板之间)的中心位置，且槽道内设置有用于固定可调节肘板的安装孔。设备公共安装面板和活动面板的相应位置处，设有用于设备安装及两者间连接的安装孔。而腹板和活动腹板的相应位置处设有用于两者间连接的安装孔。活动面板和活动腹板通过内角螺栓，实现与设备公共安装面板和腹板的固定连接。本发明结构简单、安装方便、阻抗调节灵活、应用范围广，使基座结构在承受设备的动静载荷、传递结构与设备间相互作用载荷的同时，限制和阻抑设备传递下来的振动，具有良好的经济性和广阔的应用前景。In summary, the present invention discloses a variable impedance base structure mainly used for equipment installation. The base structure consists of the equipment public installation panel, web, and fixed support brackets to form the main body of the base structure, and the movable panel, movable web, and adjustable brackets are connected by bolts to form an impedance variable base with the main body of the base structure. structure. A channel for installing adjustable brackets is provided between two adjacent fixed brackets. Mounting holes for adjustable brackets. At the corresponding positions of the public installation panel and the movable panel of the equipment, there are installation holes for equipment installation and connection between the two. The corresponding positions of the web and the movable web are provided with mounting holes for connection between the two. The movable panel and the movable web realize the fixed connection with the common installation panel and the web of the equipment through inner angle bolts. The invention has the advantages of simple structure, convenient installation, flexible impedance adjustment, and wide application range, so that the base structure can limit and suppress the vibration transmitted by the equipment while bearing the dynamic and static loads of the equipment and the interaction load between the transmission structure and the equipment, and has good performance. economy and broad application prospects.
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