Crrc Qingdao Sifang Rolling Stock Research Institute Co., Ltd.

Qingdao Sri Technology Co., Ltd.

Other

Haier Smart Home Co., Ltd.

Qingdao Haier Refrigerator Co., Ltd.

China University of Petroleum

Crrc Qingdao Sifang Rolling Stock Research Institute Co., Ltd. (cn)

Qingdao Sifang Rolling Stock Research Institute Co., Ltd.

Qingdai Sri Technology Co., Ltd.

Hui Liu

Xiaobing Zhu

Bin Fei

Kai Chen

Kun Wang

Quan Liu

Shi Liu

Wei Li

Jianru Liu

Baojiang Sun

Ming Wang

Zhiyuan Wang

Chengrong Qin

Chunwei Zhang

Shuangfei Wang

Jian Ma

Zhiwei Wang

Dongqiang Cao

Changzhi Wang

Xiaohui Sun

Jianquan Chen

Jianbo Zhang

Chen Liang

Mengcheng Li

Xinliang Liu

Yunxi Liu

Jianlin Miao

Nan Yang

Peng Liu

Guangming Zhang

Xueping Song

Shikun Tong

Minggang Li

Noda Toshinori

Lingyun Dong

Jibo Liu

Toshinori Noda

Yangxuan Su

Shuhua Duan

Jiang He

Huaping Yang

Gengchang Xie

Xiaobo Liu

Anshen Zhang

Yanwei Yang

Qingwen Kong

Hai Zhao

Guangchao Wang

Qianqian Tian

Lianxin Luo

Meiling Li

He Zhang

Hui Huang

Xudong Liu

Qingsong Lu

Xianxian Zhang

Rui An

Chunhui Hao

Yingkui Zhang

Shu Sun

Jialin Liu

Xiuqing Xie

Aimei Wang

Yin Zhu

Xiaozhong Lv

Huanjun Liu

A refrigerator, including a cabinet in which a cooling chamber located at the lower part and at least one storage compartment located above the cooling chamber are defined; and an evaporator arranged in the cooling chamber and configured to cool airflow entering the cooling chamber to form cooling airflow, wherein a water pan is formed on a bottom wall of the cooling chamber below the evaporator, and used for receiving defrosted water generated by the evaporator, a slope structure is formed on an upper surface of the water pan, and the evaporator is obliquely arranged on the water pan. According to the refrigerator, the effective volume of the compartment is increased, and the overall height of the cooling chamber can be reduced.

Refrigerator with obliquely arranged evaporator

A refrigerator, comprising: a refrigerator body, comprising a storage liner at a bottommost position; a top cover, arranged to divide the storage liner into a storage space at the upper part and a cooling space at the lower part; and an evaporator, arranged in the cooling space and configured to cool airflow entering the cooling space to form cooling airflow; wherein the evaporator is placed on a bottom wall of the storage liner, and the bottom wall is provided with a limit structure at the front part and rear part of the evaporator respectively, to realize front and rear limits of the evaporator.

Refrigerator with improved evaporator installation structure

An apparatus for preventing and controlling secondary generation of hydrates in a wellbore during depressurization exploitation of offshore natural gas hydrates includes a gas recovery pipe column, a water recovery pipe column, a gas-liquid mixed transportation pipe section, a data collecting and processing unit, and a reaction control apparatus; according to characteristics of different exploitation pipe columns, three injection pipelines and three monitoring points are arranged to predict dynamic changes in a secondary generation risk of the hydrates throughout the wellbore; measures for preventing and controlling the secondary generation of the hydrates are taken at different pipe column positions by the integrated utilization of inhibitor injection, heating for pipe columns, the additional arrangement of electric submersible pumps, and other methods.

Apparatus for preventing and controlling secondary generation of hydrates in wellbore during depressurization exploitation of offshore natural gas hydrates and prevention and control method

The present application relates to an opening and closing mechanism and a train having the same. The opening and closing mechanism comprise a driving device, a locking device and a support arm; the driving device is connected to the locking device to drive the locking device to rotate; a first end of the locking device is rotatably mounted on a baseplate; a sliding groove in which a second end of the locking device is slidably located is formed on the support arm; a first end of the support arm is rotatably mounted on the baseplate; a second end of the support arm is connected to a fairing; the driving device drives the locking device to rotate, the locking device drives the support arm to rotate by the sliding groove, so that the support arm opens or closes the fairing.

Opening and closing mechanism and train having the same

The present application discloses a draft gear including a buffer assembly; a connection assembly, the connection assembly including a connection body, the connection body has: a first connection part, the first connection part is mutually and horizontally rotatably connected with the buffer assembly, and the first connection part and the buffer assembly have a first rotation center; a second connection part, the second connection part has a connection surface, the second connection part is connected with a train body through the connection surface, and the first rotation center is located on a rear side of the connection surface; a bearing assembly, the bearing assembly is mutually and horizontally rotatably connected with the connection assembly, the bearing assembly and the connection assembly have a second rotation center, the second rotation center is located on a front side of the connection surface; and a self-adaption assembly, the bearing assembly is connected with the buffer assembly by the self-adaption assembly.

Draft gear, coupler and draft gear and railway train

A coupler telescopic apparatus comprises a housing and a drawbar capable of extending and retracting along the housing, the housing is sleeved outside the drawbar, a limiting block is fixed arranged on an outer side face of the drawbar, a locking ring capable of coming into contact with the limiting block is sleeved inside the housing, and the locking ring is coaxial with the housing and rotatably connected to the housing; a through groove is axially formed on an inner surface of the locking ring, and the through groove correspond to the limiting block in shape, so that the limiting block passes through the through groove when the through groove is aligned with the limiting block, and then an extension of the drawbar is locked by rotating the locking ring to block the limiting block after the extension of the drawbar is completed. The present application can reduce space occupation and has simple structure.

Coupler telescopic apparatus and coupler

A method may add whey to high calcium papermaking industrial wastewater blended and pre-acidification treatment to promote anaerobic reaction and inhibit calcification. The method includes, before anaerobic treatment of papermaking wastewater, mixing whey wastewater with the papermaking wastewater. The method also includes pre-treating the papermaking wastewater by acidification to stabilize the papermaking wastewater prior to entering an anaerobic reaction system.

Whey preacid treatment of wastewater with high calcium concentration to promote anaerobic digestion and delay calcification

The present invention relates to the field of mechanical manufacturing technology, relating to a locking device. The locking device comprise a casing with a first end and a second end; a hole is formed on the first end, and the second end has an opening; a rod is provided within the casing; and a fastener is provided on the end portion of the rod outside the casing; a raised member located outside the casing is provided at a second end portion of the rod, the raised member having a diameter greater than a diameter of the opening and a gap being formed between the raised member and the casing; a spring is sleeved on the rod, and a first shaft is provided at the second end portion. An opening and closing mechanism having the locking device is further provided for the opening or closing of a fairing.

Locking device and opening and closing mechanism having the same

A threaded interface buffer with anti-rotation structure is provided, comprising a buffer housing (), a buffer capsule () and a drawbar (), wherein the drawbar () comprises a connection portion () connected to the buffer capsule (); the drawbar () is in threaded connection to the buffer capsule () through the connection portion (); and, a first level anti-rotation structure () for limiting the rotation of the drawbar () and the buffer capsule () is mounted thereon, and a second level anti-rotation structure () for limiting the rotation of the drawbar () and the buffer housing () is mounted therebetween, so that the versatility and adaptability of the buffer can be enhanced and the operational stability of the buffer is ensured.

Threaded interface buffer with anti-rotation structure

A coupler uncoupling control mechanism is provided in the present application, comprising an uncoupling cylinder, a propelling cylinder and a control assembly, wherein the propelling cylinder is connected to a first valve body, and the first valve body comprises a first air inlet connected to the main reservoir pipe of the train, a first air outlet communicated with the first air inlet, a second air inlet and a second air outlet communicated with the second air inlet; the first air outlet is communicated with the air inlet chamber of the propelling cylinder, and the second air inlet is communicated with the air outlet chamber of the propelling cylinder. The control assembly comprises a second valve body and the second valve body is a pneumatic control valve; the second valve body comprises a third air inlet communicated with the uncoupling pipe of the train, a third air outlet communicated with the third air inlet, and a first control port capable of controlling airflow communication between the third air inlet and the third air outlet after being triggered; and, the third air inlet is communicated with the air inlet of the uncoupling cylinder, and the first control port is connected to the first air outlet of the first valve body. The present application can ensure that electrical couplers are uncoupled successfully.

Coupler uncoupling control mechanism

A catalyst for selectively oxidizing hydrogen sulfide to element sulfur, catalyst for burning tail-gas, and process for deeply catalytically oxidizing hydrogen sulfide to sulfur are disclosed. The catalyst for selectively oxidizing hydrogen sulfide to element sulfur is prepared by: 10-34% of iron trioxide and 60-84% of anatase titanium dioxide, and the balance being are auxiliary agents. Also a catalyst for burning tail-gas is prepared by: 48-78% of iron trioxide and 18-48% of anatase titanium dioxide, and the balance being auxiliary agents. The catalyst of the present invention has high selectivity and high sulfur recovery rate. An isothermal reactor and an adiabatic reactor of the present invention are connected in series and are filled with the above two catalysts for reactions, thus reducing total sulfur in the vented gas while having a high sulfur yield and conversion rate.

Catalyst for selectively catalytically oxidizing hydrogen sulfide, catalyst for burning tail-gas, and process for deeply catalytically oxidizing hydrogen sulfide to element sulfur

Disclosed is a front suspension system having overload protection. The system comprises a mounting seat, a centering device, a support device used for supporting a coupling buffer and a coupling end pin, wherein the mounting seat is connected to a railway vehicle body, and the centering device and the support device are both installed on the mounting seat. The system further has a coupling connection seat and an overload protection element, wherein the coupling connection seat comprises a base and a coupling connection part connected as one with the base. The base is connected to a rear face of the mounting seat by means of the overload protection element. The coupling connection part passes through a through hole provided in the middle of the mounting seat and is connected with the coupling buffer by means of the coupling end pin. The coupling connection part is closely fitted with the through hole. The front suspension system has a simple structure and is lightweight.

Front suspension system having overload protection

A vertical spring support device for a coupler, comprises a support platform, a bracket, a support rod, a support spring, a wear sleeve and a locknut; the support spring is sheathed on the support rod, and an upper end of the support spring is resisted against a lower surface of the support platform while a lower end of the support spring is resisted against an upper end face of the bracket; an upper end of the support rod is fixedly connected to the lower surface of the support platform, while a bottom end of the support rod passes through the bracket and is then in threaded connection to the locknut via the wear sleeve; the support platform comprises a vertical support platform plate and a horizontal support platform plate, and a lower surface of the horizontal support platform plate is fixedly connected to the upper end of the support rod; and, the vertical support platform plate is vertically fixed on one side of the horizontal support platform plate close to the buffer shell.

Vertical spring support device for coupler

The patent was disclosed a telescopic mechanism in a telescopic hitch buffer device for use in high speed electric multiple unit (EMU) trains. The telescopic mechanism comprises a compression rod () located inside a movable housing () of said hitch buffer device, one end of said compression rod () being connected to the movable housing (), and a bearing connector () encasing the compression rod (). A guiding barrel () is fixedly mounted outside the bearing connector (). An extension/retraction driving mechanism () is provided between the guiding barrel () and the movable housing (). A locking mechanism comprises protrusions () distributed at the other end of the compression rod (), and grooves () in engagement with protrusions () on the inner wall of the bearing connector (). One end of the compression rod () is connected to the movable housing () via a torsion spring (), keeping the compression rod () and the bearing connector () in a locked state; an unlocking driving mechanism is provided on the outside of the movable housing (), and is in an unlocked state when the protrusions () face the grooves (), in which case, the movable housing () and the bearing connector () can slide relative to each other. Since the extension/retraction driving mechanism () is provided inside the movable housing (), volume is reduced, good protection is provided for respective components, and the telescopic mechanism and the locking mechanism are relatively simple in structure, labor-saving, reliable in operation, and can bear relatively large loads.

Telescopic mechanism in telescopic hitch buffer device for use in high speed electric multiple units

A balancing apparatus comprises a rotating shaft () arranged on a transition coupler (), a rotating rod () and a top seat (). The rotating rod () comprises an upper and lower end plates (), and a ramp protrusion () that is arranged between the upper and lower end plates (), and is of a sheet protruding structure; when the upper and lower end plates serve as the reference, in the longitudinal direction, the ramp protrusion () outward inclines towards the rotating rod, one end of the rotating rod () is arranged on the rotating shaft, a pin shaft () is arranged at the other end of the rotating rod (), an eyelet bolt () is further arranged on the pin shaft (), and the rotating rod () can rotate around the rotating shaft () and hinged to the eyelet bolt () through the pin shaft (). A through hole is formed in the top seat (), the eyelet bolt () penetrates through the through hole in the top seat, a nut () is fixedly arranged at the tail end of the eyelet bolt (), a spring () is arranged between the nut () and the through hole of the top seat (), and the diameter of the spring () is larger than the diameter of the through hole in the top seat (). The balancing apparatus prevents a 'bent head' phenomenon in a transition coupler when coupling car-couplers.

Balancing apparatus for a transition coupler

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Qingdao, China

Hui Liu