Patents by Inventor Changhai Li

Changhai Li has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20160288282
    Abstract: A turnover fixture for wheel character carving. A rotation air cylinder and an angle block are mounted on a base, a first rotation shaft and a rotation shaft are connected with the rotation air cylinder through a rotation arm, the first rotation shaft and the base are connected through an end cover and a bearing, a support is fixed on the first rotation shaft.
    Type: Application
    Filed: April 1, 2016
    Publication date: October 6, 2016
    Applicant: CITIC Dicastal CO., LTD
    Inventors: Weidong Liu, Fengyan Liu, Jiandong Guo, Xiaoguang Huang, Bowen Xue, Zhihua Zhu, Yongning WANG, Changhai Li
  • Publication number: 20160273075
    Abstract: The present invention provides an aluminium alloy refiner. The aluminium alloy refiner is characterized by comprising 7 to 10 parts of Ti, 2 to 3 parts of B and the balance of Al by weight, for example, 8 parts of Ti, 3 parts of B and 89 parts of Al by weight. The aluminium alloy refiner is prepared by rapid solidification. After the refiner is added to A356.2 aluminium alloy, the grain size of the alloy is significantly reduced than that of the aluminium alloy treated by a conventional refiner. Moreover, the solubility of metals in liquid may be increased due to rapid solidification, such that the refiner is more easily absorbed by the aluminium alloy melt after being added to the aluminium alloy.
    Type: Application
    Filed: March 15, 2016
    Publication date: September 22, 2016
    Inventors: Yongning WANG, Zhihua ZHU, Chunhai LIU, Changhai LI, Lateng A, Lisheng WANG, Zhendong ZHANG, Bangwei BAI, Zheng FANG, Weimin ZHAO
  • Publication number: 20160273076
    Abstract: The invention provides a method of refining aluminum alloy, which is characterized in that aluminum-based nanometer quasicrystal alloy is used as an aluminum alloy refiner to refine the aluminum alloy; the aluminum-based nanometer quasicrystal alloy does not comprise Si, Fe or Cr; the aluminum-based nanometer quasicrystal alloy consists of (1) Al; (2) Mn and (3) La and/or Ce. The refiner selected in the invention is rare earth-containing alloy which has a strong refinement ability on the aluminum alloy, and is nanometer quasicrystal; after adding the rare earth-containing alloy to melt, the element distribution of the rare earth-containing alloy is more uniform than that of traditional alloy; and nanometer quasicrystal particles substantially increase the number of heterogeneous nucleation particles and improve the grain refinement effect of the aluminum alloy.
    Type: Application
    Filed: March 16, 2016
    Publication date: September 22, 2016
    Inventors: Lisheng WANG, Yongning WANG, Zhihua ZHU, Chunhai LIU, Changhai LI, Lateng A, Zhendong ZHANG, Bangwei BAI, Weimin ZHAO, Zhifeng WANG
  • Publication number: 20160236459
    Abstract: The present invention relates to a fixture for station-transferring wheel printing, which is composed of stands, servo motors, rotating plates, slide sleeves, air cylinders and the like. When in use, the fixture provided by the present invention can meet the requirement for quickly printing a pattern on a fixed window of a wheel and improve the production efficiency effectively, and meanwhile has the characteristics of simple mechanism, high automation degree, advanced technology, safe and stable performance.
    Type: Application
    Filed: February 12, 2016
    Publication date: August 18, 2016
    Inventors: Bowen XUE, Guangcai CHEN, Jiandong GUO, Yongning WANG, Zhihua ZHU, Changhai LI
  • Publication number: 20160231200
    Abstract: The present invention provides a drum of a wheel tester, which is characterized in that an outer surface of the drum has cyclic corrugations parallel to a cross section of the drum, wherein the cyclic corrugation in one cycle on the outer surface is composed of a concave arc and a convex arc, both of which are tangential in ends and equal in diameter, and one cycle is 30 to 50 mm in length and 1 to 1.5 mm in depth. The drum is easy to machine, reduced in cost, increased in friction force and suitable for simulating various road surfaces.
    Type: Application
    Filed: February 9, 2016
    Publication date: August 11, 2016
    Applicant: CITIC Dicastal CO., LTD
    Inventors: Chunhai LIU, Shide LI, Zhigao YIN, Qiang LIU, Hongwei SHENG, Yiwu DU, Yongning WANG, Zhihua ZHU, Changhai LI
  • Publication number: 20160223425
    Abstract: The present invention provides an air tightness detection device for an aluminum alloy wheel hub, which is characterized by precision air pressure sensors, a lower clamp, a cone cylinder pressure plate, air pipes, a pressure plate, guide posts, an air inlet pipe, and a compressed gas control and detection system. A technical solution of the present invention has the following advantages that the cone cylinder pressure plate of the detection device reduces the space of an inner cavity of the wheel hub to further reduce inflating volume, thereby increasing detection efficiency; the characteristics of readily availability for preparation, no pollution and low cost are achieved by taking compressed air as a leakage indication gas.
    Type: Application
    Filed: January 20, 2016
    Publication date: August 4, 2016
    Applicant: CITIC Dicastal CO., LTD
    Inventors: Chunhai LIU, Zhigao YIN, Debin TANG, Jinqi LV, Zhipeng LI, Aiguo ZHANG, Zhihua ZHU, Yongning WANG, Changhai LI
  • Publication number: 20160207173
    Abstract: The present invention relates to a universal clamping device for an inscribing machine, having a frame, a base plate, a cushion plate, a fixed support, a lead screw, a linear guide rail, a guide rail slide carriage, a lead screw nut, a bracket, a mandrel, a protective cap, a driven pulley, a fixed support, a synchronous belt, a driving pulley, a mounting rack and a servo motor. The device provided by the present invention can meet the requirements on inscribing work, and is also featured by being simple in structure, convenient to manufacture and stable in performance.
    Type: Application
    Filed: January 13, 2016
    Publication date: July 21, 2016
    Applicant: CITIC Dicastal CO., LTD
    Inventors: Weidong LIU, Wenjin SHI, Fengyan LIU, Jiandong GUO, Xiaoguang HUANG, Bowen XUE, Yongning WANG, Zhihua ZHU, Changhai LI
  • Publication number: 20160207174
    Abstract: The present invention relates to a universal fixture for a burring machine, which is mainly composed of a stand, an air cylinder, an air cylinder support, a guide rail slide carriage, a linear guide rail, a connecting plate, a mounting frame, a gear, a bracing rail, a bracing rail support, positioning rolls, a press cover A, a bearing A, a shaft sleeve A, a rotation shaft A, a rack, a press cover B, a rotation shaft B and a shaft sleeve B. The universal fixture provided by the present invention can meet the requirement of the burring machine for machining a wheel and meanwhile has the characteristics of simple structure, convenient manufacture and stable performance.
    Type: Application
    Filed: January 20, 2016
    Publication date: July 21, 2016
    Applicant: CITIC Dicastal CO., LTD
    Inventors: Weidong LIU, Wenjin SHI, Fengyan LIU, Jiandong GUO, Xiaoguang HUANG, Bowen XUE, Yongning WANG, Zhihua ZHU, Changhai LI
  • Publication number: 20160207098
    Abstract: The present invention provides a water spot cooling device of a bottom mold for wheel hub casting, a method for cooling a bottom mold by using the device, and a method for manufacturing the device. The device and the method of the present invention have the advantages that multi-path spot cooling required by spoke cooling is integrated into one device; the influence of backwater on the mold is eliminated and stable production is benefited; the effluent water from the multi-path spot cooling is gathered to one backwater opening through a backwater crossing and a backwater annular passage, thereby simplifying a backwater device and making the pipeline connection of the device simpler; and there is no special part in the whole device so that the machining cost is reduced and the maintenance is more convenient.
    Type: Application
    Filed: December 28, 2015
    Publication date: July 21, 2016
    Applicant: CITIC Dicastal CO., LTD
    Inventors: Lin ZHU, Changhai LI, Hongbiao LI, Peng ZHOU, Yongning WANG, Zhihua ZHU, Binyu XIONG
  • Publication number: 20160200356
    Abstract: The present invention relates to a method for drilling in steering knuckles, which comprises locating a casted steering knuckle onto a drilling fixture for a steering knuckle, and aligning the center lines of the maching points of the left and right pieces of the steering knuckle. The method provided by the present invention can meet the requirement for simultaneously drilling the left and right symmetrical pieces of the steering knuckle when in use, and in the meantime, has outstanding advantages of advance technology, high positioning precision, firmness in positioning, high machining efficiency and the like.
    Type: Application
    Filed: January 7, 2016
    Publication date: July 14, 2016
    Applicant: CITIC Dicastal CO., LTD
    Inventors: Bowen XUE, Yacong ZHANG, Jiandong GUO, Yongning WANG, Zhihua ZHU, Changhai LI
  • Publication number: 20160199903
    Abstract: The present invention provides a water spot cooling apparatus, a water spot cooling method for casting a mold, a method for manufacturing the water spot cooling apparatus and use of the water spot cooling apparatus. The technical solution of the present invention has the following advantages: spot cooling of multiple spots can be realized on each side mold by using only one water inlet pipeline, thereby saving the water cooling pipeline and facilitating field installation; the water inlet and outlet are integrated on a main body, thereby facilitating field implementation; the whole apparatus is easy to process, convenient to maintain, and low in manufacturing cost; and it is not restricted by the product structure and facilitates promotion.
    Type: Application
    Filed: January 12, 2016
    Publication date: July 14, 2016
    Applicant: CITIC Dicastal CO., LTD
    Inventors: Lin ZHU, Changhai LI, Hongbiao LI, Hongwei ZHAO, Yongning WANG, Zhihua ZHU
  • Publication number: 20160199908
    Abstract: The present invention provides a side-mold water spot-cooling device for cooling a casting mold, a manufacturing method thereof and a method for cooling a casting mold by the device. The technical solution of the present invention has the following technical effects: an open-type backwater structure is employed, not only eliminating the back pressure from the backwater process without adding the supercharging equipment, but also reducing the investment costs of the equipment; reducing requirements for the sealing elements, thereby reducing costs for fittings; greatly reducing use of the joints and reducing the manufacturing, maintenance difficulty and costs of the mold; and the structure is substantially the same as that of the air-cooled mold and is easy for promotion.
    Type: Application
    Filed: January 12, 2016
    Publication date: July 14, 2016
    Applicant: CITIC Dicastal CO., LTD
    Inventors: Lin ZHU, Changhai LI, Hongbiao LI, Fengyi CHANG, Yongning WANG, Zhihua ZHU
  • Publication number: 20160184955
    Abstract: The present invention relates to a wheel polishing apparatus composed of a frame, motors, servo electric cylinders, a polishing head, guide rails and the like. A wheel is fixed onto the clamp on the platform, a motor I rotates the platform and the wheel via the main shaft, a motor II rotates the polishing head via the drive shaft; the canting servo electric cylinder can realize the relative movement of the polishing head along the contour line of the back cavity of the wheel via the canting guide rail, the horizontal servo electric cylinder can realize constant contact between the polishing head and the back cavity of the wheel via the horizontal guide rail. The invention can realize the function of automatically polishing the back cavity of the wheel, which has desirable effects and advanced process and high degree of automation, and is characterized by simple construction and low cost.
    Type: Application
    Filed: December 28, 2015
    Publication date: June 30, 2016
    Inventors: Bowen Xue, Yacong Zhang, Jiandong Guo, Yongning Wang, Zhihua Zhu, Changhai Li, Binyu Xiong
  • Publication number: 20160184958
    Abstract: The present invention provides a wheel deburring device, consisting of a frame, a motor, a guide rail, a swing plate, a cylinder, a servo electric cylinder and a hairbrush and the like. When in use, the device provided by the present invention can adjust the angle of the hairbrush according to the shape of the back cavity of the wheel spoke to adapt to hubs of any style, and the deburring effect is very ideal; and meanwhile, the device has the characteristics of high degree of automation, advanced process, safe and stable performance, etc.
    Type: Application
    Filed: December 28, 2015
    Publication date: June 30, 2016
    Inventors: Bowen Xue, Jiandong Guo, Yongning Wang, Zhihua Zhu, Changhai Li, Binyu Xiong
  • Publication number: 20160184889
    Abstract: The present invention provides a take out device of the wheel die casting machine, consisting of a guide sleeve, a guide post, a cylinder, a motor, a fixture and a bearing seat, etc. When in use, the take out device provided by the present invention can stably receive the wheels produced by die-casting and then remove the four joint flashes, so that the problems that the wheel directly drops onto a tray to cause knock damage on the facade and the flashes become hard and are difficult to be removed after the wheel is cooled by dipping in water are solved, and meanwhile, the take out device has the advantages of simple structure, low manufacturing cost and safe and stable performance.
    Type: Application
    Filed: December 29, 2015
    Publication date: June 30, 2016
    Applicant: CITIC Dicastal CO., LTD
    Inventors: Bowen XUE, Yacong ZHANG, Jiandong GUO, Yongning WANG, Zhihua ZHU, Changhai LI, Binyu XIONG
  • Publication number: 20150306740
    Abstract: The present invention discloses a deburring brush, comprising a pressing plate, jacking posts, copper sleeves, gaskets, guide posts, springs and bristle units. When the bristle units need replacement, it only needs to place the deburring brush on the ground and then press down edges of the front side of a top plate, so that all the bristle units will fall off against the suction force of strong magnets under the action of each jacking post. According to the present invention, it avoids being time consuming and labor intensive due to removing the bristle units one by one by using a screw driver or other similar devices while replacing the bristle units, and at the same time the replacing speed of bristles is greatly increased.
    Type: Application
    Filed: April 1, 2015
    Publication date: October 29, 2015
    Applicant: KSM CASTINGS QINHUANGDAO CO., LTD.
    Inventors: Bowen XUE, Jiandong GUO, Yongning WANG, Zhihua ZHU, Changhai LI
  • Publication number: 20150273493
    Abstract: The present invention provides a wheel spraying device, comprising a frame, an electric motor, a hollow shaft, a ring flange, and cylinders. During use of the device, the need of jacking up and rotating a wheel in wheel spraying can be met, and the difficulty of removing the protection plugs of bolt hole due to thickening and clogging after completion of spraying can be completely avoided. Meanwhile, the device has the characteristics of simple structure, convenience for use, low manufacturing cost, and safe and stable performance.
    Type: Application
    Filed: March 20, 2015
    Publication date: October 1, 2015
    Applicant: CITIC Dicastal CO., LTD
    Inventors: Bowen XUE, Jiandong GUO, Weidong LIU, Changjiu REN, Yongning WANG, Zhihua ZHU, Changhai LI
  • Publication number: 20150273595
    Abstract: The present invention provides an automatic wheel rim online drilling device, comprising a frame, an air cylinder, a profiling drill jig, a drill bush, a servo electric cylinder, a drilling power head, etc. Firstly, a sensor enables a wheel to be positioned, and the air cylinder causes left clamping blocks to move rightward by two guide rods and guide sleeves so as to clamp the wheel jointly with a right clamping block; the servo electric cylinder causes a drilling system to move toward the wheel and the profiling drill jig can first come into good contact with the wheel rim and then the servo electric cylinder moves continuously to compress upper and lower springs so that the drill bit enters the drill bush, and at this time the drilling power head drives the drill bit to rotate, thus starting drilling on the wheel rim.
    Type: Application
    Filed: March 20, 2015
    Publication date: October 1, 2015
    Applicant: CITIC DICASTAL CO., LTD
    Inventors: Bowen XUE, Jiandong GUO, Weidong LIU, Changjiu REN, Yongning WANG, Zhihua ZHU, Changhai LI
  • Publication number: 20150252450
    Abstract: The present invention provides a process of preparing an aluminum alloy, comprising the following steps: a first step of adding a ZL101 aluminum ingot and covering the melt after complete melting said alloy; a second step of adding one of modifiers Te and Sb and then performing heat preservation; and a third step of adding one or more of rare earth elements La, Ce, Y and Hf and then performing heat preservation. The ZL101 alloy melt after the treatment can be casted into an ingot or a part after refining, and a high-toughness ZL101 Al—Si alloy can be obtained after cooling. By adopting the combined effect of the rare earth elements and the long-acting modifiers, the present invention realizes controllable morphology of ?-Al and eutectic Si, and inhibits the formation of ?-Al dendrites and the generation of the long strip shape eutectic Si in a solidification process, thus the high-toughness ZL101 Al—Si alloy is prepared.
    Type: Application
    Filed: March 3, 2015
    Publication date: September 10, 2015
    Applicant: CITIC DICASTAL CO., LTD
    Inventors: Lisheng WANG, Zhendong ZHANG, Chunhai LIU, Yongning WANG, Zhihua ZHU, Changhai LI
  • Patent number: 7144017
    Abstract: A piston ring including at least one intermetallic alloy is provided. A piston ring having a wear-resistant composite composition and a piston ring coating comprising a wear-resistant composition are also provided.
    Type: Grant
    Filed: December 14, 2004
    Date of Patent: December 5, 2006
    Assignee: Koncentra Marine & Power AB
    Inventors: Mehdi Aram, Per Samuelsson, Karin Gong, Changhai Li