Patents Assigned to SANY Heavy Industry Co., Ltd.
-
Patent number: 9863407Abstract: The present application discloses a hydraulic oil cylinder, of which a piston rod (3) is provided with at least two cushion collars (4, 11) which are axially slidable along the piston rod (3). Axial throttle oil channels (301a, 301b) are provided between the cushion collars (4, 11) and a piston (6). A first cushion collar (4) is provided with a sealing end face (401), and an end cover of a rod cavity (1) is provided with a sealing end face (101). The sealing end face (401) of the first cushion collar contacts with the sealing end face (101) of the end cover of the rod cavity to form a seal. Hydraulic oil within the rod cavity is discharged through one axial throttle oil channel (301a) to an oil passage B.Type: GrantFiled: June 21, 2011Date of Patent: January 9, 2018Assignees: HUNAN SANY INTELLIGENT CONTROL EQUIPMENT CO., LTD., SANY HEAVY INDUSTRY CO., LTD.Inventors: Xiaogang Yi, Yongdong Liu, Bingbing Chen
-
Patent number: 9771247Abstract: In one aspect of the disclosure, a cylinder-driven lifting mechanism of a compaction machine includes a cylinder having a first end and a second end, a fixed pulley set, a movable pulley set, a rope having a head end, and a tail end configured to connect a compaction hammer. The first end of the cylinder is connected to a vehicle body of the compaction machine and the second end of the cylinder is connected to the movable pulley set. The rope is wound on the fixed pulley set and the movable pulley set and is then connected to the compaction hammer. When the cylinder performs extension and refraction movement, the movable pulley set moves with the cylinder, the distance between the movable pulley set and the fixed pulley set increases or decreases, and the compaction hammer connected to the tail end of the rope is lifted up or dropped respectively.Type: GrantFiled: May 14, 2014Date of Patent: September 26, 2017Assignees: HUNAN SANY INTELLIGENT CONTROL EQUIPMENT CO., LTD., SANY HEAVY INDUSTRY CO., LTDInventors: Xiaogang Yi, Zuoliang Zhang, Dong Li, Zhekui Quan
-
Patent number: 9447870Abstract: The present invention provides a power gear-shifting transmission and an engineering machinery. The power gear-shifting transmission comprises a clutch shaft assembly (1). The clutch shaft assembly (1) comprises a clutch shaft (11), a housing gear (12) arranged on the clutch shaft (11), a clutch disc (13) arranged within the housing gear (12), and a gear-shifting piston (14) arranged at one end of the clutch disc (13). The gear-shifting piston (14) is pushed by a clear hydraulic medium introduced via a fluid supply passage (3); the clean hydraulic medium is supplied by a hydraulic system (2). The engineering machinery comprises the power gear-shifting transmission.Type: GrantFiled: April 12, 2012Date of Patent: September 20, 2016Assignees: Hunan Sany Intelligent Control Equipment Co., Ltd., Sany Heavy Industry Co., Ltd.Inventors: Xiaogang Yi, Songqing Li, Qiang Chen
-
Patent number: 9394707Abstract: In one aspect of the invention, a boom apparatus used for a concrete pump vehicle includes multiple booms, where the multiple booms comprise a first boom hinge-connected to a turntable of the concrete pump vehicle and a second boom hinge-connected to the first boom. When the boom apparatus is in a folded state, the first boom extends towards a cab of the concrete pump vehicle, and the second boom is further placed above the first boom. The invention also provides a concrete pump vehicle having the boom apparatus.Type: GrantFiled: February 19, 2014Date of Patent: July 19, 2016Assignees: HUNAN SANY INTELLIGENT CONTROL EQUIPMENT CO., LTD, SANY HEAVY INDUSTRY CO., LTDInventors: Xiaogang Yi, Shihui Xie, Haibo Tan
-
Patent number: 9394927Abstract: A hydraulic oil cylinder has a buffer sleeve (4), a rodless cavity sealing end face (1-2) and at least one throttle oil channel (3-1). The buffer sleeve (4) is sleeved on an additional section (3a) of a piston rod in the rodless cavity (2-2) and axially slidable along the additional section (3a) of the piston rod. The rodless cavity sealing end face (1-2) is provided in an oil cylinder cavity between a rodless cavity oil passing hole (1-1) and the termination of the rodless cavity end face of the piston for the retraction process of the piston rod (3), and enables to block the buffer sleeve (4) and attach to the first end surface (4-1) of the buffer sleeve thereby forming a sealing surface.Type: GrantFiled: June 21, 2011Date of Patent: July 19, 2016Assignees: Hunan Sany Intelligent Control Equipment Co., Ltd., Sany Heavy Industry Co., Ltd.Inventors: Xiaogang Yi, Yongdong Liu, Bingbing Chen
-
Patent number: 9381844Abstract: The invention discloses a pump truck stability control system, which comprises a detecting device and a controlling device, wherein the detecting device is used for detecting current pumping state parameters, boom posture parameters, landing leg posture parameters, pump truck body position state parameters and current numerical signals of external load parameters acting on a boom system of a pump truck, and the controlling device is used for receiving the current numerical signals of the above parameters, calculating the complete machine gravity center position of the concrete pump truck according to the parameters, and performing stability control for the pump truck according to the position of the complete machine gravity center in a pump truck stability area. The stability control system comprehensively takes pump truck own factors and external load influence factors into consideration, gravity center computational precision is high, and construction safety of the concrete pump truck is enhanced.Type: GrantFiled: April 14, 2012Date of Patent: July 5, 2016Assignees: HUNAN SANY INTELLIGENT CONTROL EQUIPMENT CO., LTD, SANY HEAVY INDUSTRIES CO., LTDInventors: Xiaogang Yi, Mingling Wu, Zhikui Wei
-
Patent number: 9322398Abstract: A concrete pumping structure and a control method thereof are disclosed. The concrete pumping structure includes a first pumping cylinder structure and a second pumping cylinder structure. Each pumping cylinder structure includes a delivery cylinder (1), a water tank (3) and a driving oil cylinder (7). The delivery cylinder (1) has a concrete piston assembly (2) inside, and during the pumping process, a piston rod (6) of the driving oil cylinder (7) drives the concrete piston assembly (2) to reciprocate in the delivery cylinder (1), and the water tank (3) is positioned between the delivery cylinder (1) and the driving oil cylinder (7). The concrete pumping structure also includes a concrete return hydraulic system, which controls the two driving oil cylinders (7) and drives the two concrete piston assemblies (2) to return back to the water tank (3) during returning the concrete.Type: GrantFiled: March 16, 2011Date of Patent: April 26, 2016Assignees: Hunan Sany Intelligent Control Equipment Co., Ltd., Sany Heavy Industry Co., Ltd.Inventors: Xiaogang Yi, Xionghui Miao, Shijian Liu
-
Patent number: 9302392Abstract: A control method of a mechanical articulated arm, wherein at least two tilt sensors are arranged in different positions of the articulated arm, comprising: calibrating zero positions of tilt sensors when articulated arm does not have elastic deformation, setting position of tail end of articulated arm as point P and point P? before and after elastic deformation of articulated arm, and selecting point R on the articulated arm; detecting angles of two different positions of the articulated arm with the tilt angles before and after the elastic deformation, obtaining the angle offset ?? of the articulated arm due to the elastic deformation, and calculating the length parameter La and the angle parameter ?a of the articulated arm after deformation based on the lengths of OR and RP?; and controlling the action of the articulated arm according to position parameters Xp? and Yp? (to the point P?) obtained according to length parameter La and angle parameter ?a.Type: GrantFiled: June 22, 2011Date of Patent: April 5, 2016Assignees: Hunan Sany Intelligent Control Equipment Co., Ltd., Sany Heavy Industry Co., Ltd.Inventors: Xiaogang Yi, Xiang Zhou, Antao Chen, Qiulian Deng
-
Patent number: 9194139Abstract: The disclosure relates generally to the field of boom-type engineering machinery, which discloses particularly an engine speed control method used to control an output speed of an engine of a boom-type engineering machine during a boom action including: detecting a load pressure of a hydraulic system and a moving speed of a boom; determining a target speed of the engine according to the load pressure and the moving speed of the boom, by a central control unit; and sending, by the central control unit, the target speed of the engine to an engine control unit, and performing, by the engine control unit, a speed closed-loop adjustment according to a current speed value fed back by the engine, so that a current speed of the engine is consistent with the target speed of the engine. Further aspects are an engine speed control system and a boom-type engineering machine equipped therewith.Type: GrantFiled: December 26, 2013Date of Patent: November 24, 2015Assignees: HUNAN SANY INTELLIGENT CONTROL EQUIPMENT CO., LTD, SANY HEAVY INDUSTRY CO., LTDInventors: Xiaogang Yi, Dongliang Pu, Qiang Liu
-
Patent number: 9188112Abstract: A distributing valve for a concrete pump and the concrete pump are provided, the distributing valve comprises a valve body (200) and a valve core (300), and a delivering cavity (213) is internally formed in the valve body (200) and is provided with a material inlet, a material outlet (212) and material suction openings (251,252). The material outlet (212) is communicated with a delivery pipe and the material suction opening (251,252) is communicated with a delivery cylinder (500). The valve core (300) is a L-shaped pipe formed by a first pipe section (310) and a second pipe section (320), and one end of the L-shaped pipe is connected with a hopper (600) and a revolution fitting surface is formed between the end face of the other end of the L-shaped pipe and the internal face of the valve body (200).Type: GrantFiled: April 18, 2011Date of Patent: November 17, 2015Assignees: HUNAN SANY INTELLIGENT CONTROL EQUIPMENT CO., LTD., SANY HEAVY INDUSTRY CO., LTD.Inventors: Xiaogang Yi, Hong Zhu, Liangrong Li
-
Patent number: 9187916Abstract: The present invention provides a boom system, comprising a plurality of joint arms sequentially hinged through a horizontal hinge shaft, and further comprising: mounting two length sensors on each joint arm, wherein one length sensor measures the length of a corresponding joint arm after deformation, and the other length sensor measures the length between it and the distal end of the corresponding joint arm, and there is a preset distance between the two length sensors; mounting a dip angle sensor on each joint arm, and obtaining the angle between the connection line between the two length sensors and a reference plane; a processor which obtains boom system distal end position parameters according to the detection results of the dip angle sensor and the length sensors.Type: GrantFiled: April 17, 2012Date of Patent: November 17, 2015Assignees: Hunan Sany Intelligent Control Equipment Co., LTD, Sany Heavy Industry Co., LTDInventors: Xiaogang Yi, Zuoliang Zhang, Dong Li
-
Patent number: 9082288Abstract: A stability control system for an engineering machine and a control method are provided. The stability control system includes a detection device (1), a control device (2) and an alarm device (3). The detection device (1) detects the current center-of-gravity positions of each component of the engineering machine to obtain the center-of-gravity position signals of each component and transmits the center-of-gravity position signals to the control device (2). The control device (2) receives the center-of-gravity position signals from the detection device (1), calculates the center-of-gravity position of the engineering machine according to a center-of-gravity calculation strategy, and compares it with a preset balance range. The control device (2) controls the alarm device (3) for warning when the center-of-gravity position of the engineering machine exceeds the balance range.Type: GrantFiled: March 23, 2011Date of Patent: July 14, 2015Assignees: HUNAN SANY INTELLIGENT CONTROL EQUIPMENT CO., LTD, SANY HEAVY INDUSTRY CO., LTDInventors: Zhikui Wei, Mingxing Shen, Minna Wang
-
Publication number: 20150027253Abstract: A power gear-shifting transmission and an engineering machinery are disclosed. The power gear-shifting transmission comprises a clutch shaft assembly (1). The clutch shaft assembly (1) comprises a clutch shaft (11), a housing gear (12) arranged on the clutch shaft (11), a clutch disc (13) arranged within the housing gear (12), and a gear-shifting piston (14) arranged at one end of the clutch disc (13). The gear-shifting piston (14) is pushed by a clear hydraulic medium introduced via a fluid supply passage (3); the clean hydraulic medium is supplied by a hydraulic system (2). The engineering machinery comprises the power gear-shifting transmission.Type: ApplicationFiled: April 12, 2012Publication date: January 29, 2015Applicants: Hunan Sany Intelligent Control Equipment Co., Ltd., Sany Heavy Industry Co., Ltd.Inventors: Xiaogang Yi, Songqing Li, Qiang Chen
-
Publication number: 20140326330Abstract: In one aspect of the present disclosures, a wheeled material distributing machinery includes a main travel system, a boom system, and a material distributing frame, where an inner end of a root end boom of the boom system is connected to the material distributing frame, the main travel system is mounted on a predetermined boom of the boom system. In a travel state, the main travel system is supported on a road surface, and at least part of the weight of the boom system and at least part of the weight of the material distributing frame act on the main travel system. In a predetermined working state, the material distributing frame is supported on a working surface, and the entire weight of the boom system and the entire weight of the main travel system both act on the material distributing frame.Type: ApplicationFiled: May 9, 2014Publication date: November 6, 2014Applicants: HUNAN SANY INTELLIGENT CONTROL EQUIPMENT CO., LTD, SANY HEAVY INDUSTRY CO., LTD.Inventors: Xin Xu, Haiyun Jia
-
Publication number: 20140314585Abstract: A detecting device for detecting the volume of a material in a material container and a concrete pumping apparatus comprising the above detecting device are disclosed. The detecting device comprises a soft container full of a medium; a medium container in communication with the soft container; a volume detecting sensor for detecting the volume of the medium in the medium container; the soft container is provided within the material container and immersed in the material of the material container, and under the extrusion of the material, the medium in the soft container enters the medium container, the volume detecting sensor detects the volume of the medium in the medium container; and the volume of the material can be calculated according to a preset relationship between the volume of the medium in the medium container and the volume of the material in the material container.Type: ApplicationFiled: June 22, 2011Publication date: October 23, 2014Applicants: Hunan Sany Intelligent Control Equipment Co., Ltd., Sany Heavy Industries Co., Ltd.Inventors: Kan Deng, Jihui Zhou, Xiang Zhou
-
Publication number: 20140246100Abstract: In one aspect of the present disclosure, a wheeled material distributing machinery includes a main travel system, a boom system, at least three outrigger mechanisms, and a material distributing frame, where an inner end of a root end boom of the boom system is connected to the material distributing frame, and an inner end of the outrigger mechanism is connected to the material distributing frame, the main travel system is mounted on a cantilever of at least one of the outrigger mechanisms, and the outrigger mechanism is a driving outrigger mechanism. In a travel state, the driving outrigger mechanism is supported on a road surface through the main travel system, and at least a part of the weight of the folded boom system acts on at least one driving outrigger mechanism.Type: ApplicationFiled: May 9, 2014Publication date: September 4, 2014Applicants: HUNAN SANY INTELLIGENT CONTROL EQUIPMENT CO., LTD, SANY HEAVY INDUSTRY CO., LTDInventors: Xin Xu, Haiyun Jia
-
Publication number: 20140246635Abstract: In one aspect of the disclosure, a cylinder-driven lifting mechanism of a compaction machine includes a cylinder having a first end and a second end, a fixed pulley set, a movable pulley set, a rope having a head end, and a tail end configured to connect a compaction hammer. The first end of the cylinder is connected to a vehicle body of the compaction machine and the second end of the cylinder is connected to the movable pulley set. The rope is wound on the fixed pulley set and the movable pulley set and is then connected to the compaction hammer. When the cylinder performs extension and refraction movement, the movable pulley set moves with the cylinder, the distance between the movable pulley set and the fixed pulley set increases or decreases, and the compaction hammer connected to the tail end of the rope is lifted up or dropped respectively.Type: ApplicationFiled: May 14, 2014Publication date: September 4, 2014Applicants: HUNAN SANY INTELLIGENT CONTROL EQUIPMENT CO., LTD., SANY HEAVY INDUSTRY CO., LTD.Inventors: Xiaogang Yi, Zuoliang Zhang, Dong Li, Zhekui Quan
-
Patent number: 8775804Abstract: A matching authentication method for wireless communication equipment comprises that: a device at the transmitting end sends a matching request (S101) to a device at the receiving end; the device at the transmitting end receives the response messages feedback from the device at the receiving end, and the response message carry with feature codes (S102); the device at the transmitting end obtains the feature codes and takes the feature codes as the authentication and authorization codes communicating with the receiving end. The invention also provides a wireless communication device with the function of matching authentication correspondingly. The wireless communication device comprises a memory unit, a communication unit, and an authentication and authorization unit and a feature code updating unit. The invention also provides a wireless communication system with the function of matching authentication correspondingly.Type: GrantFiled: June 23, 2009Date of Patent: July 8, 2014Assignee: Sany Heavy Industry Co., Ltd.Inventors: Xiaogang Yi, Yonghong Liu, Yaohui Ou, Jihui Zhou
-
Publication number: 20140182713Abstract: In one aspect of the invention, a boom apparatus includes at least a first boom, a second boom and a third boom sequentially connected to one another, wherein a root end of the first boom is connected to a turntable, some of the booms is a bent boom occupying at least two column spaces, and when the booms are in a folded state, the boom apparatus occupies at least three column spaces. The invention also provides a concrete pump vehicle having the boom apparatus.Type: ApplicationFiled: March 6, 2014Publication date: July 3, 2014Applicants: SANY HEAVY INDUSTRY CO., LTD, HUNAN SANY INTELLIGENT CONTROL EQUIPMENT CO., LTDInventors: Shihui Xie, Biao Deng, Runli Tian
-
Publication number: 20140175254Abstract: In one aspect of the invention, a boom apparatus used for a concrete pump vehicle includes multiple booms, where the multiple booms comprise a first boom hinge-connected to a turntable of the concrete pump vehicle and a second boom hinge-connected to the first boom. When the boom apparatus is in a folded state, the first boom extends towards a cab of the concrete pump vehicle, and the second boom is further placed above the first boom. The invention also provides a concrete pump vehicle having the boom apparatus.Type: ApplicationFiled: February 19, 2014Publication date: June 26, 2014Applicants: SANY HEAVY INDUSTRY CO., LTD, HUNAN SANY INTELLIGENT CONTROL EQUIPMENT CO., LTDInventors: Xiaogang Yi, Shihui Xie, Haibo Tan