31results about How to "Realize the second opening" patented technology

The invention discloses a valve timing mechanism for an engine and a vehicle with the valve timing mechanism. The valve timing mechanism comprises valve mechanisms, rocker arm components, first rollers, second rollers, first cam shafts, second cam shafts, lift adjusting mechanisms and phase adjusting mechanisms. Driving molded surfaces are constructed at the bottoms of the rocker arm components, the first rollers and the second rollers are arranged on the rocker arm components in a pivotal mode, the first cam shafts are provided with first cams, the second cam shafts are provided with second cams, the first cams abut against the first rollers, the second cams abut against the second rollers, the lift adjusting mechanisms comprise driving components, adjusting arms and connecting arms, the two ends of each connecting arm are connected with each rocker arm component and one end of each adjusting arm respectively in a pivotal mode, the driving components drive the other ends of the adjusting arms to enable the adjusting arms to rotate around the adjusting axes, and the phase adjusting mechanisms are used for adjusting the relative phase between the first cam shafts and the second cam shafts. The valve timing mechanism can achieve secondary opening of valves, meanwhile can prolong the continuous time of valve opening, and is simple in structure and small in number of parts.

The invention discloses a stacker simulation experiment platform comprising a master control chip, a translation mechanism, an elevating mechanism, a pallet fork telescopic mechanism, a communicationmechanism and an upper computer. The master control chip is connected with the translation mechanism, the elevating mechanism and the pallet fork telescopic mechanism. The master control chip is alsoconnected with the upper computer through the communication mechanism. The upper computer is used for transmitting the control signal to the master control chip. The master control chip is used for controlling movement of any one or multiple of the translation mechanism, the elevating mechanism and the pallet fork telescopic mechanism according to the control signal transmitted by the upper computer. According to the stacker simulation experiment platform, the simulated stacker fault can be simulated and the stacker fault data can be collected; the fault possibility of large stacker and the fault type can be predicted by using the fault data; and the stacker simulation experiment platform can also be applied to research of colleges and universities to perform secondary development of the stacker so as to enhance the performance of the stacker.

The invention discloses a valve timing mechanism for an engine and a vehicle with the valve timing mechanism. The valve timing mechanism comprises a plurality of valve mechanisms, a plurality of rocker arm components, a plurality of sets of first rollers, a plurality of sets of second rollers, first cam shafts, second cam shafts and a phase adjusting mechanism. Driving molded surfaces are constructed at the bottoms of the rocker arm components, the first rollers and the second rollers are arranged on the rocker arm components in a pivotal mode, the first cam shafts comprise inner shafts and outer shafts, the inner shafts and the outer shafts are coaxially arranged, a plurality of inner shaft cams are arranged on the inner shafts, a plurality of outer shaft cams are arranged on the outer shafts, the inner shaft cams abut against some first rollers respectively, the outer shaft cams abut against the other first rollers respectively, the second cam shafts are provided with a plurality of driving cams, the driving cams abut against the second rollers, and the phase adjusting mechanism is used for adjusting the relative phase between the outer shafts and the second cam shafts, and the relative phase between the outer shafts and the inner shafts. The valve timing mechanism can achieve secondary opening of valves, meanwhile can prolong the continuous time of valve opening, and is simple in structure and small in number of parts.

The invention discloses a valve timing mechanism for an engine and a vehicle with the same. The valve timing mechanism comprises a valve mechanism, a rocker component, a first, a second and a third roller, a first cam shaft, a second cam shaft, a press block and a phase regulating mechanism, wherein a drive molded surface which is used for driving the valve mechanism is formed at the bottom of the rocker component; the first, second and third rollers are pivotally mounted on the rocker component, and the first and third rollers are arrayed coaxially; the first cam shaft comprises a first cam, the second cam shaft comprises a second cam, and the first cam is propped against the first roller while the second cam is propped against the second roller; the press block is static relatively to the engine body and is formed with a circular arc camber, and the third roller is clung to the circular arm camber; the phase regulating mechanism is used for regulating the relative phases of the first cam shaft and the second cam shaft. The valve timing mechanism is capable of realizing the secondary open of the valve, prolonging the valve opening duration, realizing the asynchronous work of two valves at the same side of the same cylinder, is capable of changing the vortex and tumble in the combustion chamber, and is capable of improving the combustion.

The invention discloses a valve mechanism for an engine and a vehicle comprising the valve mechanism. The valve mechanism comprises a valve mechanism body, a rocker component, a first roller, a second roller, a camshaft, supporting structures, a phase adjusting mechanism, and a third roller or limit pins. The bottom of the rocker component is provided with a drive molded surface which is suitable for directly driving a valve to move. The first roller and the second roller both can be arranged on the rocker component in a pivoting mode. The camshaft comprises an inner shaft and an outer shaft, the inner shaft and the outer shaft are coaxially arranged and provided with an inner shaft cam and an outer shaft cam respectively, and the inner shaft cam and the outer shaft cam can rotate along the corresponding shafts respectively. The outer shaft cam abuts against the first roller, the inner shaft cam abuts against the second roller, the supporting structures are arranged on the two sides of the rocker component and provided with circular arc cambers or sliding grooves, the third roller can be attached to the circular arc cambers in a rolling mode, and the limit pins can be matched in the sliding grooves in a sliding mode. The valve mechanism can achieve secondary opening of the valve, can lengthen the opening lasting time of the valve, and is simple in structure, and low in influence on the height of the engine.

The invention discloses a valve actuating mechanism for an engine and a cam of the valve actuating mechanism. The valve actuating mechanism for the engine comprises a valve mechanism, a swing arm assembly, a first roller, a second roller, a first cam shaft, a second cam shaft and a phase adjusting mechanism. A first cam profile comprises a first profile first section, a first profile second section, a first profile third section, a first profile fourth section, a first profile fifth section, a first profile sixth section and a first profile seventh section which are connected end to end, and a second cam profile comprise a second profile first section, a second profile second section, a second profile third section, a second profile fourth section, a second profile fifth section, a second profile sixth section and a second profile seventh section which are connected end to end. When the first roller abuts against the first profile first section, the first profile second section, the first profile third section, the first profile fourth section, the first profile fifth section, the first profile sixth section and the first profile seventh section respectively and the second roller correspondingly abuts against the second profile first section, the second profile second section, the second profile third section, the second profile fourth section, the second profile fifth section, the second profile sixth section and the second profile seventh section respectively, a valve is sequentially in a first closed state, a primary open stage, a primary closed stage, a secondary open stage, a secondary closed stage, a second closed state and a third closed state. The phase adjusting mechanism is used for adjusting the opposite phases of the first cam shaft and the second cam shaft. According to the valve actuating mechanism for the engine in the embodiment, secondary valve open can be achieved, and the open persistent period is adjustable.

The invention provides a luggage lock structure. The luggage lock structure comprises a housing, a clamping plate and a pawl, wherein the clamping plate and the pawl are arranged in the housing; a groove is formed in the top part of the housing; a locking column is mounted in the groove and is arranged into the housing through the pawl as a first rivet rotates; a first pre-tensioning spring is arranged at the part in which the pawl rotates; a drawing wire is arranged at the bottom part of the pawl; a bulge is arranged at the inner side of the pawl; the clamping plate is arranged into the housing as a second rivet rotates; a second pre-tensioning spring of which the pre-tensioning force is opposite to the first pre-tensioning spring is arranged on the rotating part of the clamping plate; an opening groove in match with the groove is formed in the top part of the clamping plate; a clamping part in match with the bulge is arranged at the inner side of the clamping plate. According to the luggage lock structure, the pawl and the special structure of the inner side of the clamping plate can be matched to open a luggage lock for the second time, and thus the risk and loss caused by mis-operation can be avoided.

The invention discloses a valve timing mechanism for an engine and a vehicle with the same. The valve timing mechanism comprises a valve mechanism, a rocker component, a first, a second and a third roller, a first and a second cam shaft, a lift adjusting mechanism and a phase adjusting mechanism, wherein a drive profile is formed at the bottom of the rocker component; the first, second and third rollers are pivotally mounted on the rocker component, and the first and third rollers are arrayed coaxially; the first cam shaft comprises a first cam, the second cam shaft comprises a second cam, and the first cam is propped against the first roller while the second cam is propped against the second roller; the lift adjusting mechanism comprises a drive component and a press block, the bottom of the press block is formed into a lift profile which is clung to the third roller in fit manner, and the drive component drives the press block to rotate; the phase adjusting mechanism is used for adjusting the relative phases of the first cam shaft and the second cam shaft. The valve timing mechanism for the engine is capable of realizing the secondary open of the valve and prolonging the valve opening duration and has advantages of simple structure and less parts.