当前查询到13条专利与查询词 "Jiang Shaodong"相关,搜索用时0.2968785秒!排序方式:
发明专利:6实用新型: 7外观设计: 0
6 条,当前第 1-6 条 返回搜索页
申请号:202010242916.3 公开号:CN111174898A 主分类号:G01H9/00
摘要:【中文】本发明涉及一种光纤振动传感器,特别公开了一种振弦式宽频光纤激光器振动传感器及其应用。该振弦式宽频光纤激光器振动传感器,包括内部为方槽的基座,其特征在于:所述基座的一端内侧壁上耦合有振弦,基座的另一端外侧穿设固定有连杆,连杆在基座的内侧与膜片的一端耦合,膜片的另一端与振弦的端部耦合;振弦的上表面上贴附有光纤激光器,连杆上安装有紧定螺帽。本发明扩展了光纤激光振动传感器的应用范围,适用于振动高频分量、声发射等高频信号探测以及对于声发射等微弱的高频信号的探测灵敏度探测。 【EN】The invention relates to an optical fiber vibration sensor, and particularly discloses a vibrating wire type broadband optical fiber laser vibration sensor and application thereof. This vibration wire formula broad frequency fiber laser vibration sensor, including the inside base that is the square groove, its characterized in that: the vibrating wire is coupled on the inner side wall of one end of the base, a connecting rod is fixedly arranged on the outer side of the other end of the base in a penetrating mode, the connecting rod is coupled with one end of the diaphragm on the inner side of the base, and the other end of the diaphragm is coupled with the end portion of the vibrating wire; the upper surface of the vibrating wire is attached with a fiber laser, and the connecting rod is provided with a fastening nut. The invention expands the application range of the fiber laser vibration sensor, and is suitable for detecting high-frequency signals such as vibration high-frequency components, acoustic emission and the like and detecting the sensitivity of weak high-frequency signals such as acoustic emission and the like.
详细信息 下载全文

申请号:202010242915.9 公开号:CN111220262A 主分类号:G01H9/00
摘要:【中文】本发明涉及一种加速度传感器,特别公开了一种基于光纤激光器的波长可调式加速度传感器。该波长可调式加速度传感器,包括安装于外壳内底部的本体结构,其特征在于:所述本体结构包括与外壳底部连接的基座,基座两侧对称安装有铰链,两铰链上连接有对称的质量块,质量块上开有横槽并安装有贯穿横槽的紧定螺钉,质量块顶端设置有竖直的延长杆;延长杆顶端安装有温度补偿体,外壳两侧对称安装有伸入内部的支撑管,光纤激光器穿过温度补偿体且两端尾纤穿出支撑管。本发明结构设计合理,具有高灵敏度、宽频带,有效改善了传感器的频响特性,实现了地交叉灵敏度、波长可调节、具有温度补偿的功能,适于广泛推广应用。 【EN】The invention relates to an acceleration sensor, and particularly discloses a wavelength-adjustable acceleration sensor based on a fiber laser. This acceleration sensor with adjustable wavelength, including installing the body structure of bottom in the shell, its characterized in that: the body structure comprises a base connected with the bottom of the shell, hinges are symmetrically arranged on two sides of the base, symmetrical mass blocks are connected to the two hinges, transverse grooves are formed in the mass blocks, set screws penetrating through the transverse grooves are installed on the mass blocks, and vertical extension rods are arranged at the top ends of the mass blocks; the top end of the extension rod is provided with a temperature compensation body, the two sides of the shell are symmetrically provided with supporting tubes extending into the shell, the fiber laser penetrates through the temperature compensation body, and tail fibers at the two ends of the fiber laser penetrate out of the supporting tubes. The invention has reasonable structural design, high sensitivity and wide frequency band, effectively improves the frequency response characteristic of the sensor, realizes the functions of ground cross sensitivity, adjustable wavelength and temperature compensation, and is suitable for wide popularization and application.
详细信息 下载全文

申请号:201911146287.8 公开号:CN110988300A 主分类号:G01N33/24
摘要:【中文】本发明是一种基于吹填试验的珊瑚砂次压缩系数的测量方法,该方法对于时间空间不均匀吹填珊瑚砂底层次压缩系数提供了一种测量计算方法,吹填海工程不同区域往往是不同时间吹填,不同厚度吹填,造成不同区域地层固结程度不同,后期沉降差异较大,采用理论难以较准确的计算出其最终沉降量,该计算方法充分利用场地历史条件、试验数据,最大限度的回归历史,模拟地层自固结沉降完成历史过程,对比新旧吹填、厚度不等处理后的地层沉降数据,充分分析地层历史差异性,当下数据差异性,得出历史与当下共性,进行对比分析,进而得出更加符合实际的次压缩系数。 【EN】The invention relates to a method for measuring secondary compressibility of coral sand based on a hydraulic fill test, which provides a measuring and calculating method for the secondary compressibility of coral sand at the bottom of hydraulic fill coral sand with nonuniform time and space, different areas of hydraulic fill sea engineering are always hydraulic filled at different times and hydraulic filled at different thicknesses, which causes different consolidation degrees of strata in different areas and larger later settlement difference, the final settlement amount of the hydraulic fill coral sand is difficult to calculate more accurately by adopting theory, the calculation method fully utilizes the site historical conditions and test data, maximally regresses the history, simulates the historical process of completing the self-consolidation settlement of the stratum, comparing the stratum settlement data after the treatments of new and old hydraulic reclamation and unequal thickness, fully analyzing the historical difference of the stratum, and comparing and analyzing the current data difference to obtain the history and the current commonality so as to obtain the secondary compression coefficient which is more in line with the reality.
详细信息 下载全文

申请号:202010087940.4 公开号:CN111172886A 主分类号:E01D21/00
摘要:【中文】一种用于双飞翼拱桥主副拱施工的临时支架,包括两个主副拱交叉段、主拱非交叉段、两个第一副拱非交叉段、第二副拱非交叉段及主副拱支架横联。主副拱交叉段包括交叉段主拱临时墩支架及与其顶部固定的交叉段副拱临时墩支架;主拱非交叉段位于两个主副拱交叉段之间;两个第一副拱非交叉段分别位于两个主副拱交叉段背向主拱非交叉段的一侧;第二副拱非交叉段位于两个主副拱交叉段之间,其包括若干第二非交叉段副拱临时墩支架,第二非交叉段副拱临时墩支架的一侧支撑于主梁上,另一侧与主梁支架固定;主副拱支架横联连接第二非交叉段副拱临时墩支架与主拱非交叉段;其适用于双飞翼拱桥主副拱施工。本发明还提供一种双飞翼拱桥主副拱的施工方法。 【EN】A temporary support for construction of main and auxiliary arches of a double-flying-wing arch bridge comprises two main and auxiliary arch crossing sections, a main arch non-crossing section, two first auxiliary arch non-crossing sections, a second auxiliary arch non-crossing section and a main and auxiliary arch support transverse connection. The main and auxiliary arch crossing section comprises a crossing section main arch temporary pier bracket and a crossing section auxiliary arch temporary pier bracket fixed with the top of the crossing section main arch temporary pier bracket; the main arch non-crossing section is positioned between the two main and auxiliary arch crossing sections; the two first auxiliary arch non-crossing sections are respectively positioned on one side of the two main auxiliary arch crossing sections, which is back to the main arch non-crossing sections; the second auxiliary arch non-crossing section is positioned between the two main auxiliary arch crossing sections and comprises a plurality of second non-crossing section auxiliary arch temporary pier supports, one side of each second non-crossing section auxiliary arch temporary pier support is supported on the main beam, and the other side of each second non-crossing section auxiliary arch temporary pier support is fixed with the main beam support; the main and auxiliary arch support is connected with the second non-crossed section and auxiliary arch temporary pier support and the main arch non-crossed section in a transverse connection manner; the method is suitable for the construction of the main arch and the auxiliary arch of the double-flying-wing arch bridge. The invention also provides a construction method of the main arch and the auxiliary arch of the double-flying-wing arch bridge.
详细信息 下载全文

申请号:202010109661.3 公开号:CN111112571A 主分类号:B22D17/20
摘要:【中文】本发明公开了一种轮毂压铸防跑铝液装置,属于轮毂制造领域,本发明中,当跑铝未发生时,防跑铝线将模具包围,当跑铝发生时,铝液烫开防跑铝线的绝缘皮接触到内部导线,内部导线接入地面0V电压并传输至溢铝输入触点,溢铝输入触点的0V电压与公共端24V电压构成压降回路,则溢铝输入触点因低电平有效得到触发,在输入信号的作用下,PLC模块的溢铝泄压触点输出信号给炉体排气阀的信号输入端,炉体排气阀打开,炉体迅速泄压。本发明极大的减小了铝水的喷射能量和喷射范围,有效的保证了工作人员安全。同时,本发明也有效避免了跑铝对周边设备造成的损害。因此,本发明具有保障工作人员安全和设备安全的特性。 【EN】The invention discloses a device for preventing aluminum liquid from running out in wheel hub die casting, which belongs to the field of wheel hub manufacturing, wherein when aluminum running does not occur, an aluminum liquid is used for scalding an insulating skin of the aluminum liquid to contact an internal lead, the internal lead is connected with ground 0V voltage and is transmitted to an aluminum overflow input contact, the 0V voltage of the aluminum overflow input contact and the 24V voltage of a common end form a voltage drop loop, the aluminum overflow input contact is effectively triggered due to low level, under the action of an input signal, an aluminum overflow pressure relief contact of a PLC module outputs a signal to a signal input end of an exhaust valve of a furnace body, the exhaust valve of the furnace body is opened, and the furnace body is rapidly decompressed. The invention greatly reduces the spraying energy and the spraying range of the molten aluminum and effectively ensures the safety of workers. Meanwhile, the invention also effectively avoids the damage of the aluminum running to the peripheral equipment. Therefore, the invention has the characteristic of ensuring the safety of workers and equipment.
详细信息 下载全文

申请号:202010109656.2 公开号:CN111097890A 主分类号:B22D17/20
摘要:【中文】本发明专利公开了一种轮毂压铸机炉体加热装置,属于轮毂制造领域,本发明专利中,将熔断器和开关单元集成为一个结构单元,三个熔断器和一个开关单元的带电触点均隐藏在散热板和护罩构成的密封结构中,当维修人员在对周边元件维修或更换时,不会触碰到炉体加热装置中的任何带电触点,杜绝了人员接触大电流触电的重大安全问题。另外,本发明专利中,控制单元的背部包括散热板和散热片构成的散热结构,使控制单元能够及时散热,延长了控制单元的使用周期,降低了工厂的生产成本。因此,本发明专利具有保障维修人员安全、降低生产成本的特性。 【EN】The invention discloses a heating device for a furnace body of a hub die casting machine, which belongs to the field of hub manufacturing. In addition, in the invention, the back of the control unit comprises a heat dissipation structure consisting of a heat dissipation plate and a heat dissipation fin, so that the control unit can dissipate heat in time, the service cycle of the control unit is prolonged, and the production cost of a factory is reduced. Therefore, the invention has the characteristics of ensuring the safety of maintenance personnel and reducing the production cost.
详细信息 下载全文

6 条,当前第 1-6 条 返回搜索页