1章机构自由度计算

1章机构自由度计算 第1章 习题 1-1 绘出图1-7所示的唧筒机构的机构运动简图。 1-2 绘出图1-8所示叶片式油泵的机构运动简图。 1-3 绘出图1-9所示回转柱塞泵的机构运动简图。 1-4 绘出图1-10所示冲床架机构的机构运动简图。 1-5 试判断图1-11、图1-12所示运动链能否成为机构，并说明理由。若不能成为机构，请提出修改办法。 1-6 计算图1-13至图1-20所示各机构的自由度，并指出其中是否含有复合铰链、局部自由度或虚约束，说明计算自由度时应做何处理。 1-7 计算图1-21至图1-26所示各机构的自由度，用低副代替高副，并确定机构所含杆组的数目和级别以及机构的级别。 stator. Rotor installed in the stator end upper hangers supports or in the end cap oil parts installed special rotor shaft bracket. (Figure 19) in the stator ring shop in turn lower half of the hard steel sheet, rubber mat and curve skateboards on the plate fixed to the four corners of four rope or nylon rope, tie outside the stator on the basis of, respectively. (Figure 20) axial-flow fan blade diameter greater than retaining ring diameter of the rotor at the top, in front of the wear the stator, best to blade removed, preventing scratches and blades should be well marked. Rotor steam-side back wheel below the shaft or parts installed steam-side arc slider and the slider lower sliding surfaces coated with a thin layer of grease. The rotor excitation traction installed end to end by a horizontal pole. Wire ropes lashing shall not damage the rotor surface using soft material wrapping wire rope, and the pad on the rotor surface with hard wood, or aluminum, lashing rope rotor with two points, the distance between two points is generally not less than 500~700mm, lashing wire rope when winding on the rotor and tighten the double baolan slide knot ... 6.4.6.3 rotor wear loaded official hanging up rotor, pendulum are direction Hou will rotor from Reed end level slow wear trance child bore within, wear loaded process stator bore has two people guardianship, and should guarantee steam end guardianship information smooth, ensure rotor surface don't and stator iron core coil collide; generator stator Reed end set two people guardianship, guardianship generator rotor not and stator core coil collide friction. Slow journey to move into the direction of the rotor, rotor wear them into the stator bore, will contact steam-side slider on the arc skateboards (must be over ladder after the stator to the slider, slider is only allowed access to the arc on a skateboard, or arc skateboards and protection of stator plate rollover may occur). Dang wire rope close machine shell Shi, stop wear loaded and slowly Panasonic lane hooks put stator. Rotor installed in the stator end upper hangers supports or in the end cap oil parts installed special rotor shaft bracket. (Figure 19) in the stator ring shop in turn lower half of the hard steel sheet, rubber mat and curve skateboards on the plate fixed to the four corners of four rope or nylon rope, tie outside the stator on the basis of, respectively. (Figure 20) axial-flow fan blade diameter greater than retaining ring diameter of the rotor at the top, in front of the wear the stator, best to blade removed, preventing scratches and blades should be well marked. Rotor steam-side back wheel below the shaft or parts installed steam-side arc slider and the slider lower sliding surfaces coated with a thin layer of grease. The rotor excitation traction installed end to end by a horizontal pole. Wire ropes lashing shall not damage the rotor surface using soft material wrapping wire rope, and the pad on the rotor surface with hard wood, or aluminum, lashing rope rotor with two points, the distance between two points is generally not less than 500~700mm, lashing wire rope when winding on the rotor and tighten the double baolan slide knot ... 6.4.6.3 rotor wear loaded official hanging up rotor, pendulum are direction Hou will rotor from Reed end level slow wear trance child bore within, wear loaded process stator bore has two people guardianship, and should guarantee steam end guardianship information smooth, ensure rotor surface don't and stator iron core coil collide; generator stator Reed end set two people guardianship, guardianship generator rotor not and stator core coil collide friction. Slow journey to move into the direction of the rotor, rotor wear them into the stator bore, will contact steam-side slider on the arc skateboards (must be over ladder after the stator to the slider, slider is only allowed access to the arc on a skateboard, or arc skateboards and protection of stator plate rollover may occur). Dang wire rope close machine shell Shi, stop wear loaded and slowly Panasonic lane hooks put 第1章 综合测 1-1 填空题及简答题 (1)平面机构中若引入一个高副将带入 个约束，而引入一个低副将带 stator. Rotor installed in the stator end upper hangers supports or in the end cap oil parts installed special rotor shaft bracket. (Figure 19) in the stator ring shop in turn lower half of the hard steel sheet, rubber mat and curve skateboards on the plate fixed to the four corners of four rope or nylon rope, tie outside the stator on the basis of, respectively. (Figure 20) axial-flow fan blade diameter greater than retaining ring diameter of the rotor at the top, in front of the wear the stator, best to blade removed, preventing scratches and blades should be well marked. Rotor steam-side back wheel below the shaft or parts installed steam-side arc slider and the slider lower sliding surfaces coated with a thin layer of grease. The rotor excitation traction installed end to end by a horizontal pole. Wire ropes lashing shall not damage the rotor surface using soft material wrapping wire rope, and the pad on the rotor surface with hard wood, or aluminum, lashing rope rotor with two points, the distance between two points is generally not less than 500~700mm, lashing wire rope when winding on the rotor and tighten the double baolan slide knot ... 6.4.6.3 rotor wear loaded official hanging up rotor, pendulum are direction Hou will rotor from Reed end level slow wear trance child bore within, wear loaded process stator bore has two people guardianship, and should guarantee steam end guardianship information smooth, ensure rotor surface don't and stator iron core coil collide; generator stator Reed end set two people guardianship, guardianship generator rotor not and stator core coil collide friction. Slow journey to move into the direction of the rotor, rotor wear them into the stator bore, will contact steam-side slider on the arc skateboards (must be over ladder after the stator to the slider, slider is only allowed access to the arc on a skateboard, or arc skateboards and protection of stator plate rollover may occur). Dang wire rope close machine shell Shi, stop wear loaded and slowly Panasonic lane hooks put 入 人约束。 (2)高副低代必须满足的条件是 ， 。 (3)何谓运动链,运动链具备什么条件才具有运动的可能性,具备什么条件才具有运动的确定性,运动链具备什么条件才能成为机构, (4)何谓机构运动简图,绘制的步骤如何, (5)机构具有确定运动的条件是什么, (6)在计算平面机构自由度时应注意哪些事项, (7)杆给具有什么特点,如何确定杆组的级别, (8)如果确定机构的级别,选择不同原动件对机构的级别有无影响, 1-2 画出图1-27所示油泵的机构运动简图，并计算其自由度。 1-3 判别图1-28、图1-29所示运动链能否成为机构，并说明理由。如果有复合铰链、局部自由度或虚约束，需一一指出。 1-4 试用低副代替图1-30所示机构中的高副，并说明高副低代的一般方法。 stator. Rotor installed in the stator end upper hangers supports or in the end cap oil parts installed special rotor shaft bracket. (Figure 19) in the stator ring shop in turn lower half of the hard steel sheet, rubber mat and curve skateboards on the plate fixed to the four corners of four rope or nylon rope, tie outside the stator on the basis of, respectively. (Figure 20) axial-flow fan blade diameter greater than retaining ring diameter of the rotor at the top, in front of the wear the stator, best to blade removed, preventing scratches and blades should be well marked. Rotor steam-side back wheel below the shaft or parts installed steam-side arc slider and the slider lower sliding surfaces coated with a thin layer of grease. The rotor excitation traction installed end to end by a horizontal pole. Wire ropes lashing shall not damage the rotor surface using soft material wrapping wire rope, and the pad on the rotor surface with hard wood, or aluminum, lashing rope rotor with two points, the distance between two points is generally not less than 500~700mm, lashing wire rope when winding on the rotor and tighten the double baolan slide knot ... 6.4.6.3 rotor wear loaded official hanging up rotor, pendulum are direction Hou will rotor from Reed end level slow wear trance child bore within, wear loaded process stator bore has two people guardianship, and should guarantee steam end guardianship information smooth, ensure rotor surface don't and stator iron core coil collide; generator stator Reed end set two people guardianship, guardianship generator rotor not and stator core coil collide friction. Slow journey to move into the direction of the rotor, rotor wear them into the stator bore, will contact steam-side slider on the arc skateboards (must be over ladder after the stator to the slider, slider is only allowed access to the arc on a skateboard, or arc skateboards and protection of stator plate rollover may occur). Dang wire rope close machine shell Shi, stop wear loaded and slowly Panasonic lane hooks put 1-5 图1-31所示为一机构的初拟设计，试从机构自由度的概念其设计是否会理，并提出修改措施。又问，在此初似设计方案中，是否存在复合铰链、局部自由度和虚约束, 1-6 计算图1-32所示机构的自由度，并在高副低代后，确定机构所含杆组的数目和级别并判断机构的级别。 第1章 习题参考 1-5 F=0，机构不能运动 F=0，机构不能运动 stator. Rotor installed in the stator end upper hangers supports or in the end cap oil parts installed special rotor shaft bracket. (Figure 19) in the stator ring shop in turn lower half of the hard steel sheet, rubber mat and curve skateboards on the plate fixed to the four corners of four rope or nylon rope, tie outside the stator on the basis of, respectively. (Figure 20) axial-flow fan blade diameter greater than retaining ring diameter of the rotor at the top, in front of the wear the stator, best to blade removed, preventing scratches and blades should be well marked. Rotor steam-side back wheel below the shaft or parts installed steam-side arc slider and the slider lower sliding surfaces coated with a thin layer of grease. The rotor excitation traction installed end to end by a horizontal pole. Wire ropes lashing shall not damage the rotor surface using soft material wrapping wire rope, and the pad on the rotor surface with hard wood, or aluminum, lashing rope rotor with two points, the distance between two points is generally not less than 500~700mm, lashing wire rope when winding on the rotor and tighten the double baolan slide knot ... 6.4.6.3 rotor wear loaded official hanging up rotor, pendulum are direction Hou will rotor from Reed end level slow wear trance child bore within, wear loaded process stator bore has two people guardianship, and should guarantee steam end guardianship information smooth, ensure rotor surface don't and stator iron core coil collide; generator stator Reed end set two people guardianship, guardianship generator rotor not and stator core coil collide friction. Slow journey to move into the direction of the rotor, rotor wear them into the stator bore, will contact steam-side slider on the arc skateboards (must be over ladder after the stator to the slider, slider is only allowed access to the arc on a skateboard, or arc skateboards and protection of stator plate rollover may occur). Dang wire rope close machine shell Shi, stop wear loaded and slowly Panasonic lane hooks put 1-6 F=1 F=1 F=1 F=2 F=1 F=1 F=1 F=1 1-7 F=1，?级机构 F=1，?级机构 F=1，?级机构 F=1，?级机构，一个?级杆组，一个?级杆组 F=1，?级机构 F=1，?级机构 第1章 综合测试题参考答案 1-2 F=1 1-3 F=0，不能成为机构;F=1，能成为机构，F(G)为虚约束 1-5 E为虚约束，B为局部自由度 1-6 F=1，一个?级杆组，一个?级杆组，?级机构。 stator. Rotor installed in the stator end upper hangers supports or in the end cap oil parts installed special rotor shaft bracket. (Figure 19) in the stator ring shop in turn lower half of the hard steel sheet, rubber mat and curve skateboards on the plate fixed to the four corners of four rope or nylon rope, tie outside the stator on the basis of, respectively. (Figure 20) axial-flow fan blade diameter greater than retaining ring diameter of the rotor at the top, in front of the wear the stator, best to blade removed, preventing scratches and blades should be well marked. Rotor steam-side back wheel below the shaft or parts installed steam-side arc slider and the slider lower sliding surfaces coated with a thin layer of grease. The rotor excitation traction installed end to end by a horizontal pole. Wire ropes lashing shall not damage the rotor surface using soft material wrapping wire rope, and the pad on the rotor surface with hard wood, or aluminum, lashing rope rotor with two points, the distance between two points is generally not less than 500~700mm, lashing wire rope when winding on the rotor and tighten the double baolan slide knot ... 6.4.6.3 rotor wear loaded official hanging up rotor, pendulum are direction Hou will rotor from Reed end level slow wear trance child bore within, wear loaded process stator bore has two people guardianship, and should guarantee steam end guardianship information smooth, ensure rotor surface don't and stator iron core coil collide; generator stator Reed end set two people guardianship, guardianship generator rotor not and stator core coil collide friction. Slow journey to move into the direction of the rotor, rotor wear them into the stator bore, will contact steam-side slider on the arc skateboards (must be over ladder after the stator to the slider, slider is only allowed access to the arc on a skateboard, or arc skateboards and protection of stator plate rollover may occur). Dang wire rope close machine shell Shi, stop wear loaded and slowly Panasonic lane hooks put