baber/WOPTO huggingface dataset:
Patent WO-2022021661-A1 (WO)
Inventor: LI JIANQIANG
IPC: G06T7/207
Filed: 2020-11-06
Abstract: La présente invention concerne un procédé de positionnement visuel basé sur un processus gaussien, un système et un support de stockage. Le procédé comprend les étapes consistant à acquérir des informations d'image d'un environnement ambiant et à déplacer des points de piste dans un processus de déplacement (S100); à extraire des caractéristiques globales et des caractéristiques sémantiques dans les informations d'image acquises (S200); à traiter les caractéristiques globales et les caractéristiques sémantiques extraites et les points de piste en mouvement selon une règle de traitement prédéfinie pour obtenir une expression de processus gaussien (S300); et à reconstruire une structure de filtrage bayésien en fonction de l'expression de processus gaussien, conférant à la piste en cours un point de position initial, et à générer le point de position suivant de la piste en cours au moyen de la structure de filtrage bayésien reconstruite, le point de position suivant étant utilisé pour fournir un guidage de positionnement pour la navigation (S400). L'association entre l'état actuel et un état historique peut être établie, ainsi la précision du point de position suivant prédit est améliorée, et une navigation précise peut être fournie pour le mouvement d'un robot.
Patent WO-2022011900-A1 (WO)
Inventor: YUAN HEPING
IPC: B08B7/00
Filed: 2020-11-09
Abstract: 一种智能固态CO2清洗机，包括壳体(1)、干冰制作机构(2)以及干冰喷射清洗装置(3)，干冰制作机构(2)包括干冰生产装置(21)、成型模头(22)以及干冰粉碎装置(23)，干冰粉碎装置(23)包括颗粒模头(231)、旋转刀架(232)以及驱动组件(233)，颗粒模头(231)上设有与成型模头(22)成型腔对接的颗粒成型孔(2311)，颗粒模头(231)设有多个，且多个颗粒模头(231)的颗粒成型孔(2311)孔径大小不同，成型模头(22)的一侧设有换模机构(6)，多个颗粒模头(231)安装于换模机构(6)上，且换模机构(6)用于切换不同颗粒模头(231)来与成型模头(22)对接，换模机构(6)连接有用于控制其转换的控制器(7)。该装置能够根据切割需求切割不同大小的干冰颗粒进行使用，具有提高其适用性与清洗效果的优点。
Patent WO-2022099438-A1 (WO)
Title: Partage de temps d'occupation de canal de liaison montante à liaison descendante basé sur un signal de référence de sondage
Inventor: SUN JING
IPC: H04L5/00
Filed: 2020-11-10
Abstract: Divers aspects de la présente divulgation portent d'une manière générale sur la communication sans fil. Selon certains aspects, un équipement utilisateur (UE) peut recevoir, en provenance d'une station de base, une autorisation comprenant des informations pour déclencher une transmission de signal de référence de sondage (SRS) basée sur une évaluation de canal libre. L'UE peut exécuter l'évaluation de canal libre pour un canal sur la base, au moins en partie, de la réception de l'autorisation. L'UE peut transmettre, à la station de base, le SRS qui initie un temps d'occupation de canal partagé (COT) sur le canal sur la base, au moins en partie, de l'exécution de l'évaluation de canal libre. La divulgation concerne également de nombreux autres aspects.
Patent WO-2022099615-A1 (WO)
Title: 化合物在制备药物中的用途
Inventor: LIU XINGGUO
IPC: A61K31/706
Filed: 2020-11-13
Abstract: 化合物在制备药物中的用途，具体地，提出了式(I)所示化合物或式(I)所示化合物的立体异构体、氮氧化物、溶剂化物、代谢产物、药学上可接受的盐、其前药或其衍生物在制备药物中的用途，所述药物用于治疗或预防小肠干细胞衰老。
Patent WO-2021129228-A1 (WO)
Title: 一种电子邮件的发送方法及装置
Inventor: HE SHAN
IPC: H04L29/06
Filed: 2020-11-16
Abstract: 一种电子邮件的发送方法及装置，用于提高邮件发送的效率。其中方法包括：JAVA客户端所在的设备先确定与待发送电子邮件中发件邮箱帐号对应的SMTP长连接池，再获取距离当前时刻之前的第一设定时长内已发送电子邮件的历史发送信息，之后根据已发送电子邮件的历史发送信息和SMTP长连接池中包括的M个网络运营商的N个网络接口的K个长连接，从M个网络运营商的N个网络接口中确定出与发件邮箱帐号对应的目标网络运营商的目标网络接口，最终通过目标网络运营商的目标网络接口上的长连接，向SMTP服务器发送待发送电子邮件。该方法能节省邮件系统组建成本，并能实现邮件快速发送的目的。
Patent WO-2021115060-A1 (WO)
Inventor: XU YAOHUI
IPC: B24B27/00
Filed: 2020-11-17
Abstract: A positioning device (100), an automatic polishing work station, and a feeding polishing method. The positioning device (100) comprises: a positioning table (13), which is used for receiving a part at a discharging port and positioning the part; a clamping and turnover mechanism (14), comprising a clamping assembly (141) used for clamping the part from the positioning table (13) and a turnover assembly (142) used for turning the clamping assembly (141) and the part over for same to be clamped by a manipulator (400); a first linear driving mechanism (11), used for driving the positioning table (13) to move between the discharging port and the clamping and turnover mechanism (14); and a second linear driving mechanism (12), used for driving the positioning table (13) to move up and down so as to receive the part from the discharging port. With regard to the positioning device (100), the automatic polishing work station, and the feeding polishing method, the part can be automatically positioned so that the part is precisely positioned to facilitate being accurately grabbed by the manipulator (400); by means of replacing the positioning table (13), the device can be suitable for parts of different types and sizes; and the automation degree is high, manual feeding and positioning are not needed, and the production efficiency and the machining precision are increased.
Patent WO-2022099740-A1 (WO)
Title: 一种冲床自动卸料机械手
Inventor: WANG NAIBO
IPC: B25J11/00
Filed: 2020-11-18
Abstract: 一种冲床自动卸料机械手，包括机械手本体（1），机械手本体（1）的底部固定安装有安装板（16），安装板（16）的上表面固定连接有限位板（17），限位板（17）上表面的两侧活动套接有限位螺栓（15），限位螺栓（15）的一端贯穿限位板（17）的底壁并延伸至安装板（16）的内部与安装板（16）固定套接，限位板（17）的上表面固定安装有气缸（18），气缸（18）的顶部固定套接有轴承（19）。通过气缸（18）和轴承（19）的组织结构可将冲床自动卸料机械手调整至合适高度和角度，再通过液压杆（13）、滑动块（8）及滑动槽（9）可将机械手的手臂运动至合适位置，该机械手可适用于各种冲压设备，其高度和长度均可调整，提高了机械手的使用范围，同时也提高了机械手工作的精准度。
Patent WO-2022052314-A1 (WO)
Title: 一种浸润式电芯充放电测试装置
Inventor: YAN FEI
IPC: G01R31/385
Filed: 2020-11-20
Abstract: 一种浸润式电芯充放电测试装置，包括法兰盘(1)、绝缘底板(2)、透明板(3)、若干个电芯支撑座(4)、若干个充放电机构(5)和若干个温感线，其中，法兰盘(1)的两侧分别设有进口(11)和出口(12)，分别用于通入和排出冷却液；绝缘底板(2)和透明板(3)分别固定在法兰盘(1)的底端和顶端；若干个电芯支撑座(4)均固定设置在法兰盘(1)内；若干个充放电机构(5)分别用于给对应的电芯支撑座(4)上的电芯进行充放电；若干个温感线分别用于测量对应的电芯表面温度，浸润式电芯充放电测试装置结构简单，拆装方便，能够更真实地模拟实际电芯/模组浸泡在电芯包冷却液中的工作环境，使得测试结果更加准确。
Patent WO-2022116084-A1 (WO)
Title: Method and apparatus for antenna calibration
Inventor: ZHANG HAO
IPC: H04B17/12
Filed: 2020-12-03
Abstract: Embodiments of the present disclosure provide method and apparatus for antenna calibration. A method implemented at a first network device. The method comprises receiving a first radio signal generated by the first network device via a receiver connected to an antenna of the first network device. The method further comprises receiving at least one second radio signal from at least one second network device via the antenna of the first network device. The method further comprises determining an impairment related to the antenna of the first network device based on the received first radio signal and the at least one second radio signal. There is a line of sight (LOS) path between the antenna of the first network device and the antenna of each of the at least one second network device.
Patent WO-2021121222-A1 (WO)
Inventor: WANG FENG
IPC: H01M10/0567
Filed: 2020-12-15
Abstract: Disclosed is a secondary battery, comprising a positive electrode, a negative electrode, and an electrolyte, wherein the electrolyte comprises a lithium salt, an organic solvent, and an additive, wherein the additive comprises a fluorinated compound that accounts for 5-20% of the total mass of the electrolyte, and a polynitrile compound that accounts for 0.2-4% of the total mass of the electrolyte and a sulfate compound that accounts for 0.3-5% of the total mass of the electrolyte; and the negative electrode has a compacted density of not less than 1.55 g/cm 3 . When the secondary battery is used, the battery can still have both a high temperature characteristic and a low temperature charging ability under the conditions of a higher negative electrode density, thereby having market application prospects, and overcoming the problem of the performance of existing secondary batteries deteriorating when the compacted density of a negative electrode is improved.
Patent WO-2021143428-A1 (WO)
Inventor: WANG ZHAOKUI
IPC: B64G1/64
Filed: 2020-12-15
Abstract: 一种用于星箭分离的电磁锁紧释放机构以及电磁锁紧释放方法，电磁锁紧释放机构包括：机架(1)、弹射单元、卫星单元、锁紧释放单元以及锁紧释放驱动单元；弹射单元包括弹射弹簧(2)、弹射顶杆(3)和弹簧套筒(4)；锁紧释放单元包括锁紧销(10)、锁紧滑块(11)、解锁弹簧(12)和基座(13)；锁紧释放驱动单元包括电磁铁限位螺母(14)、电磁铁动芯(15)和电磁铁(16)。用于星箭分离的电磁锁紧释放机构是一种可重复试验的微小卫星与火箭分离使用的点式定位锁紧释放机构，能够在复杂的力学环境下，实现卫星和火箭的可靠锁紧和可靠分离；能够在地面重复进行分离试验；分离完全为机构动作，无污染；分离动作为连续机构动作，对卫星无冲击；降低了卫星研制的成本。
Patent WO-2022073300-A1 (WO)
Inventor: LI RUNXIA
IPC: C22C1/06
Filed: 2020-12-18
Abstract: 一种高强高耐磨Al-Si合金及其制备方法和应用，属于铝合金材料技术领域。本发明提供的高强高耐磨Al-Si合金，按质量百分含量计，包括Si 16～23.5％，Cu 5～9％，Mg 3～6.2％，Zn 2～8％，Zr 0.1～0.45％，La 0.2～0.7％，Er 0.1～0.3％，Mn≤0.2％，Fe≤0.15％，余量为Al和不可避免的杂质，所述不可避免的杂质中，每种杂质的含量均低于0.01％。通过在合金中加入少量的Zr、La、Er和较多的Zn，同时控制合金中Si、Cu和Mg的含量，可以改善Si相形貌，细化晶粒，且合金组织均匀，具有较高的强度和较好的耐磨性。
Patent WO-2022088454-A1 (WO)
Title: Système et procédé de test permettant la simulation d'une variation d'infiltration d'excavation de tunnel dans des conditions géologiques complexes
Inventor: LI SHUCAI
IPC: G09B23/40
Filed: 2020-12-24
Abstract: Un système de test est divulgué permettant de simuler une variation d'infiltration d'excavation de tunnel dans des conditions géologiques complexes ; le système comprend une chambre de test (1) ; une unité de chargement de contrainte de sol (2) est disposée au-dessus de la chambre de test (1) ; la chambre de test (1) peut être pourvue en son sein d'une pièce de test, et des trous (18) sont disposés de chaque côté de la circonférence de la chambre de test (1) ; certains des trous (18) sont utilisés en tant que simulations de trous d'excavation de tunnel ; des têtes de bouchon (8) ou des têtes de bouchon creuses (9) sont disposées au niveau de certains des trous (18), et le côté de la chambre de test (1) est pourvu d'un réservoir de remplissage d'eau (20) ; le réservoir de remplissage d'eau (20) est relié à un trou d'entrée d'eau (21) disposé dans la chambre ; chacune des têtes de bouchon creuses (9) et le réservoir de remplissage d'eau (20) sont en communication avec une unité de chargement de pression d'infiltration (3). Un procédé de test permettant de simuler une variation d'infiltration d'excavation de tunnel dans des conditions géologiques complexes est également divulgué. Le système peut être utilisé pour simuler un creusement de tunnel dans des conditions géologiques complexes dans différentes conditions de « contrainte de sol élevée et pression d'eau élevée » afin d'étudier des variations d'un champ d'infiltration d'eaux souterraines dans une roche étanche sous l'effet d'une perturbation d'excavation et d'une infiltration à haute pression, puis d'évaluer les risques d'afflux d'eau et d'afflux de boue, ce qui permet de fournir une base de prévention des catastrophes naturelles et d'atténuation des sinistres.
Patent WO-2022133952-A1 (WO)
Title: Systems and methods for mimo communication with controllable environments
Inventor: BALIGH MOHAMMADHADI
IPC: H04B7/08
Filed: 2020-12-24
Abstract: Aspects of the present disclosure provide methods of utilizing controllable metasurface devices capable of redirecting a wavefront transmitted by a transmitter to a receiver in the wireless network to take advantage of the controllable metasurface device capabilities, intelligence, coordination and reconfiguration speed, and thereby enable solutions having different signaling details and capability requirements. Methods described herein provide mechanisms for identification of a RIS deployed in a communication network, identification of possible RIS to UE links, setup of base station (BS) to RIS links and RIS to UE links, activation of the RIS, and configuration of UEs to receive data from the BS via redirection by the RIS.
Patent WO-2022088473-A1 (WO)
Title: Circuit de détection d'isolation permettant d'obtenir une égalisation de tension
Inventor: LIU LEI
IPC: G01R31/14
Filed: 2020-12-29
Abstract: L'invention concerne un circuit de détection d'isolation permettant d'obtenir une égalisation de tension, comprenant une batterie de bus, un circuit de division de tension positive de bus, un circuit de division de tension négative de bus, un circuit d'amplification différentielle et un module de MCU. La batterie de bus est connectée séparément aux circuits de division de tension positive et négative de bus ; le circuit de division de tension positive de bus et le circuit de division de tension négative de bus sont respectivement connectés au circuit d'amplification différentielle ; le circuit d'amplification différentielle est connecté au module de MCU ; la batterie de bus fournit de l'énergie à chaque module ; le circuit de division de tension positive de bus convertit une tension positive d'un bus, d'une haute tension en un état détectable à basse tension ; le circuit de division de tension négative de bus convertit une tension négative du bus, d'une haute tension en l'état détectable à basse tension ; le circuit d'amplification différentielle échantillonne un signal de division de tension, amplifie celui-ci, puis le transmet au module de MCU ; le module de MCU réalise une détection d'isolation sur le bus. Ainsi, une égalisation de tension de bus est obtenue, la performance d'isolation du circuit est assurée, la précision de détection est assurée et la sécurité et l'efficacité en temps réel du système sont assurées en utilisant un mode de détection en temps réel.
Patent WO-2022134260-A1 (WO)
Inventor: CHEN FAPU
IPC: A61K31/409
Filed: 2021-01-26
Abstract: A preparation method for biliverdin or a derivative thereof. Biliverdin or the derivative thereof is prepared from a compound represented by formula 2. Formula II represents a single bond or a double bond. Formula II at the positions represented by A and B are independently selected from one of a single bond and a double bond, respectively. When formula II represents a single bond, R1 or R2 linked to the single bond is selected from one of p-toluenesulfonyl, p-toluenesulfinyl, phenylsulfonyl, and phenylsulfinyl, and when formula II represents a double bond, R1 or R2 linked to the double bond is hydrogen. The preparation method for biliverdin or the derivative thereof is simple in process, does not require a column chromatography method, is high in yield and low in cost, is suitable for industrial production, reduces the by-product generated in synthesis of biliverdin dimethyl ester or biliverdin, and improves the product purity.
Patent WO-2021155829-A1 (WO)
Title: Medical imaging-based method and device for diagnostic information processing, and storage medium
Inventor: SHI LEI
IPC: G06T7/00
Filed: 2021-02-05
Abstract: A medical imaging-based method and device for diagnostic information processing, and a storage medium, for use in implementing the classification of a disease on the basis of medical imaging. The method comprises: acquiring a first pulmonary medical image of a subject (S11); acquiring an image parameter of an affected part in the first pulmonary medical image (S12); and determining, on the basis of the image parameter of the affected area, a disease classification for the lungs of the subject corresponding to the first pulmonary medical image (S13). The employment of the solution allows the acquisition of the image parameter of the affected area in the first pulmonary medical image, and then the determination, on the basis of the image parameter of the affected area, of the disease classification for the lungs of the subject corresponding to the first pulmonary medical image, thus allowing the classification of a disease on the basis of the medical image.
Patent WO-2021184996-A1 (WO)
Title: Data storage method and apparatus for database
Inventor: XIONG GANG
IPC: G06F16/21
Filed: 2021-02-05
Abstract: Disclosed are a data storage method and apparatus for a database, wherein same are used for providing a data storage means, which is efficient and has low maintenance costs, for a database. The method comprises: when it is detected that data in a database changes (401), a data processing apparatus recording a first log (402); the first log being preferentially stored in a first memory (403); and when the data processing apparatus determines that the storage space in the first memory is insufficient, for example, less than a first threshold value, switching to a second memory to continue to record the first log (404), wherein the first memory and the second memory are deployed in different devices. A log of a database is no longer confined to a local memory, and when the storage space in a first memory is insufficient, switching to another memory can be performed to continue to store the log, such that the way in which the database stores data is more efficient. Multiple memories can be deployed in different devices, and no large local disk is required, so that the disk maintenance costs of the database can be effectively reduced.
Patent WO-2021155854-A1 (WO)
Title: Circuit breaker and power distribution box
Inventor: YAN GUANGCHAO
IPC: H01H71/02
Filed: 2021-02-05
Abstract: Disclosed are a circuit breaker and a power distribution box, belonging to the technical field of circuit connection. The circuit breaker comprises a housing, a button, a linkage mechanism, a moving contact, a static contact, a safety door, and a first conductive body and a second conductive body for wiring, wherein the first conductive body is mounted in the housing, a wire insertion hole is provided at the position, corresponding to the first conductive body, on the housing, and a sliding groove is provided in the housing and between the wire insertion hole and the first conductive body; the button is mounted in the housing, a support arm of the button is connected to the moving contact by means of the linkage mechanism, the moving contact is electrically connected to the first conductive body, and the static contact is electrically connected to the second conductive body; and the safety door is inserted into the sliding groove, a first elastic member is mounted on the safety door, and the safety door slides in the sliding groove by means of the support arm and the first elastic member, such that no wire is inserted in the wire insertion hole, and when the moving contact and the static contact are in a closed state, the first conductive body is isolated from the outside of the housing by means of the safety door. The use of the present application can improve the safety of the circuit breaker.
Patent WO-2021170074-A1 (WO)
Title: 一种柔性励磁系统及其控制方法
Inventor: ZHANG JIANCHENG
IPC: H02J3/38
Filed: 2021-02-26
Abstract: 一种柔性励磁系统及其控制方法，柔性励磁系统由多组并联的柔性励磁功率单元、灭磁回路单元以及柔性励磁控制单元组成，柔性励磁系统控制方法包括：通过协同控制柔性励磁功率单元的交流断路器和直流断路器以及灭磁开关，实现柔性励磁功率单元内部故障的容错运行控制；利用柔性励磁系统快速响应控制能力，在机端电压跌落时动态控制顶值电压，提升自并励励磁系统强励输出能力；针对柔性励磁强励运行时可能出现的励磁变过负荷问题，提出一种柔性励磁系统励磁变过负荷限制器，将励磁变运行状态限制在设备允许的过负荷运行范围内。
Patent WO-2021196974-A1 (WO)
Inventor: CHEN ZHIBIN
IPC: H01L21/02
Filed: 2021-03-04
Abstract: The present application provides a semiconductor epitaxial structure and a semiconductor device. The semiconductor epitaxial structure comprises a channel layer, a composite barrier layer, and a doped layer; the doped layer is disposed on the composite barrier layer; the channel layer is located on the side of the composite barrier layer away from the doped layer; the composite barrier layer comprises a digital alloy barrier layer and an AlGaN barrier layer that are stacked; the digital alloy barrier layer comprises one or more AlN layers. The semiconductor epitaxial structure provided by the present application effectively avoids the problem of an increase in on-resistance caused by the effect on the density and mobility of a two-dimensional electron gas due to the diffusion of Mg ions in a p-GaN layer to a barrier layer and a channel layer.
Patent WO-2021180118-A1 (WO)
Inventor: WU XIA
IPC: C12N15/00
Filed: 2021-03-10
Abstract: Provided is use of an aspirin compound in facilitating exogenous nucleic acid delivery and/or expression.
Patent WO-2022198510-A1 (WO)
Inventor: WANG SAN MING
IPC: G01N33/48
Filed: 2021-03-24
Abstract: A method for identifying deleterious genetic mutations, which method relates to the technical field of biomolecules. The method comprises: respectively converting, into density maps, obtained Ramachandran plots of wild-type proteins, benign protein variants, pathogenic protein variants, and proteins to be identified; dividing each density map into a plurality of regions, and by using the density maps of the benign protein variants, the pathogenic protein variants and the wild-type proteins as a reference, calculating an average density and a standard deviation of each region; if the deviation between the density of the proteins to be identified in each region and the average density of the region exceeds the standard deviation, marking the region as a density deviation region of the proteins to be identified; and on the basis of deviation data of the density deviation region of the proteins to be identified, determining mutations of the proteins to be identified. By means of the method, deleteriousness of unknown mutations can be identified with high throughput, thereby providing an approach for the study of gene mutations associated with cancer and other diseases, and diagnostic methods and therapeutic drugs therefor. The method has broad application prospects.
Patent WO-2022126917-A1 (WO)
Title: Deep learning-based face image evaluation method and apparatus, device, and medium
Inventor: CHEN DAN
IPC: G06T7/00
Filed: 2021-03-30
Abstract: A deep learning-based face image evaluation method and apparatus, a device, and a medium. The method comprises: acquiring a face image used for training, and acquiring an image recognition area thereof; graying the image recognition area to obtain a gray scale image; calculating a gradient value of the gray scale image to obtain the gradient value corresponding to the gray scale image; performing vector extraction according to a face evaluation model; performing dimensionality reduction on an obtained basic vector to obtain a target vector, and updating parameters of the face evaluation model according to the target vector and marking data to obtain a trained face evaluation model; and inputting a face image to be evaluated into the trained face evaluation model, and outputting the evaluation result. The present application further relates to blockchain technology, and the face image to be evaluated is stored in a blockchain. In the method, by training the face evaluation model, the degree of blurring of the face image to be evaluated is output, such that the evaluation precision of a face image can be improved.
Patent WO-2022217406-A1 (WO)
Title: Signal processing method and apparatus, and readable storage medium
Inventor: NIU BEN
IPC: G01S7/41
Filed: 2021-04-12
Abstract: A signal processing method and apparatus, and a readable storage medium. The method comprises: performing N levels of decomposition on a signal to be processed, so as to obtain 2 N  components; according to a frequency band to be subjected to filtering, determining a number of target component layers, and performing wavelet threshold denoising on a component, which is located in said frequency band, in the number of target component layers, so as to obtain a processed filter signal, wherein said frequency band is any one of M frequency bands, which cover the full frequency band range, and M ≥ 2; if the filter signal satisfies a preset condition, outputting the filter signal; and if the filter signal does not satisfy the preset condition, determining, according to a preset sequence, the next frequency band to be subjected to filtering to be said frequency band, determining a filter signal corresponding to said frequency band, and until the filter signal corresponding to the last frequency band in the M frequency bands does not satisfy the preset condition, outputting the filter signal corresponding thereto. The distance measurement precision within the full frequency band range can be improved.
Patent WO-2021238522-A1 (WO)
Inventor: WANG WENDONG
IPC: G06T1/20
Filed: 2021-04-22
Abstract: 本申请实施例提供一种多媒体处理芯片、电子设备和图像处理方法，多媒体处理芯片包括图像信号处理器、神经网络处理器和数字信号处理器，图像信号处理器对动态图像数据进行统计；数字信号处理器处理静态图像数据，并将处理静态图像数据的结果传输至应用处理芯片；神经网络处理器对动态图像数据进行处理，并将处理动态图像数据的结果传输至应用处理芯片。
Patent WO-2022160497-A1 (WO)
Inventor: GAO YONGCHUAN
IPC: F16H25/20
Filed: 2021-05-08
Abstract: 一种伸缩总成以及升降立柱。伸缩总成包括：传动杆（3），一端安装有驱动器（1），另一端连接有传动部件（7）；第一传动螺杆（2），套于传动杆（3）之外并且一端固定连接在驱动器（1）；传动螺母（5），套于第一传动螺杆（2）并与其螺纹配合；第一伸缩结构（6），滑动套于传动螺母（5）；第二传动螺杆（8），与第一传动螺杆（2）螺纹相反，其一端固定连接传动螺母（5），另一端向远离驱动器（1）的方向延伸；第二伸缩结构（10），套于第二传动螺杆（8）并与其螺纹配合。升降立柱包括伸缩总成和套管，套管套于伸缩总成外。伸缩总成以及升降立柱具有较高的传动性能，并且驱动时机械动能损耗较低。