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二手洒水车挺杆和推杆坏了怎么办?

文章出处:http://www.txhw88.com/ 发表时间:2019-04-15
二手洒水车气门传动组件的功用是依照柴油机工作过程的技术请求,定时地 开启或关闭进、排气门。随着柴油机长期的运转,气门传动组件中的 凸轮轴会产生弯曲,凸轮、凸轮轴轴颈、传动齿轮、挺杆、推杆和揺 臂等会呈现磨损,从而毁坏规则的配气相位,形成熄灭室内部的进气 量缺乏。
The function of valve drive assembly of second-hand sprinkler is to open or close the intake and exhaust valves regularly according to the technical requirements of diesel engine working process. With the long-term operation of diesel engine, camshafts in valve transmission components will bend, cam, camshaft journal, transmission gear, tappet, push rod and swing arm will show wear and tear, thus destroying the regular valve timing and forming the lack of air intake in quenching chamber.
若气门间隙调整不当就会使发起机运转不正常,过大会影响气门的开启量,气门升程减少惹起进气缺乏,排气不彻底;过小会惹起气门关闭不严惹起漏气,形成动力降落。为了防止气门间隙调整不当惹起的费事,普通高速发起机上都运用可自行调整气门间隙的液力挺杆。
If the valve clearance is not adjusted properly, the engine will not work properly, too much will affect the opening of the valve, the reduction of valve lift will cause the lack of intake air, exhaust incomplete; too little will cause the valve to close lax and cause leakage, resulting in power landing. In order to prevent the trouble caused by improper valve clearance adjustment, the hydraulic tappet with self-adjustable valve clearance is used in common high-speed engine.
二手洒水车挺杆的一端与凸轮接触,另一端与气门接触,它的作用是将凸轮的推力传给气门。旧式发起机上的挺杆一端装有调整螺钉和锁紧螺母,用于调整气门间隙,而液力挺杆省略了调整螺钉和锁紧螺母,用液力调理替代了这些刚性零件的作用。
One end of the tappet of a used sprinkler contacts the cam and the other end contacts the valve. Its function is to transmit the thrust of the cam to the valve. An adjusting screw and a locking nut are installed at one end of the tappet of the old engine to adjust the valve clearance, while the hydraulic tappet omits the adjusting screw and locking nut and replaces the role of these rigid parts with hydraulic conditioning.
二手洒水车
液力挺杆时辰与凸轮轴接触,无间隙运转。挺杆内部则运用液力来到达间隙调理的作用。液力挺杆主要由柱塞、单向阀和单向阀弹簧等组成,应用单向阀的作用贮存或释放机油,经过改动挺杆体腔内的机油压力就能够改动液力挺杆的工作长度,从而起到自动调整气门间隙的作用。
Hydraulic tappet contacts with camshaft and runs without clearance. In the tappet, hydraulic force is used to adjust the clearance. Hydraulic tappet is mainly composed of plunger, one-way valve and one-way valve spring. The function of one-way valve is used to store or release oil. The working length of hydraulic tappet can be changed by changing the oil pressure in the chamber of the tappet, so as to automatically adjust the valve clearance.
挺杆和推杆的功用是将凸轮的推力传送给摇臂,揺臂克制气门弹 簧的弹力而使气门翻开,当推力逐步减小到最小值时,气门弹簧的弹 力又使气门关闭。
The function of the tappet and the push rod is to transmit the thrust of the cam to the rocker arm. The arm controls the elastic force of the valve spring and causes the valve to open. When the thrust gradually decreases to the minimum, the elastic force of the valve spring makes the valve closed.
二手洒水车柴油机在正常运转过程中,挺杆的磨损普通较小,推杆也不会弯 曲。但若柴油机长时间超负荷运转或在运转过程中负荷变化较大(如 打桩机、电焊机运用的柴油机等),易惹起挺杆严重擦伤、磨损和过 度剥落等。当挺杆呈现上述损伤时,普通应改换新件。若柴油机在运 转中气门被卡死或气门掉入汽缸内,以及发作"飞车"事故时,均会 使推杆弯曲,当弯曲渡过大时,应停止校直或改换新件。
The wear of tappet rod is generally smaller and the push rod will not bend during the normal operation of the second-hand sprinkler diesel engine. However, if the diesel engine runs under overload for a long time or the load varies greatly during the operation (such as the diesel engine used in pile driver and welding machine), it will easily cause serious scratch, abrasion and excessive peeling of tappets. When the tappet presents the above damage, new parts should be replaced. If the valve of the diesel engine is stuck or falls into the cylinder during operation, and when there is a "flying car" accident, the push rod will bend. When the bending is too large, the straightening or replacement of new parts should be stopped.
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Thank you for your reading and watching. The wonderful content of this article comes from: Second-hand sprinkler, we will have more wonderful content to continue to show you. For more details, please click: http://www.txhw88.com.

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