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Spatial apocenter movement mechanism using double-stroke arc-shaped sliding track

An arc-shaped slide rail, space telecentric technology, applied in the field of mechanics, can solve the problem of no kinematic pair, and achieve the effect of improving operation accuracy, easy operation, and saving time and cost

Active Publication Date: 2018-10-19
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The characteristic of the telecentric motion mechanism is that the output member of the mechanism can rotate around a fixed point in space and move along the axis passing through the fixed point, but there is no actual kinematic pair at this fixed point

Method used

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  • Spatial apocenter movement mechanism using double-stroke arc-shaped sliding track
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  • Spatial apocenter movement mechanism using double-stroke arc-shaped sliding track

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specific Embodiment approach 1

[0019] Specific implementation mode one: combine Figure 1-Figure 12 Explanation, the spatial telecentric motion mechanism of a double-stroke arc slide rail in this embodiment includes a bracket 1, a vertical shaft mechanism 2, a vertical turret mechanism 3, a fixed slider 4, and a double-stroke arc Slide rail 5, movable slider 6 and linear motion mechanism 7; the upper end of the vertical shaft mechanism 2 is fixedly connected with the extension part of the upper end of the bracket 1, and the rotation output end of the vertical shaft mechanism 2 is connected in rotation with the vertical turret mechanism 3 The vertical turret mechanism 3 is fixedly connected to one side of the fixed slider 4; the other side of the fixed slider 4 is slidably connected to one side of the double stroke arc slide rail 5; the other side of the double stroke arc slide rail 5 One side is slidingly connected with one side of the moving slider 6; the other side of the moving slider 6 is fixedly connec...

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Abstract

The invention provides a spatial apocenter movement mechanism using a double-stroke arc-shaped sliding track, relates to theory of mechanism, and solves the problems that an apocenter movement mechanism output component can rotate around a certain fixed point in space and moves along the axis of the fixed point, but an actual movement pair does not exist at the fixed point. The spatial apocenter movement mechanism using the double-stroke arc-shaped sliding track comprises a support, a vertical rotating shaft mechanism, a vertical rotating rack mechanism, the double-stroke arc-shaped sliding track and a linear movement mechanism. The support is used for supporting all rotating components; the upper end of the vertical rotating shaft mechanism is fixedly connected with the extension portionof the upper end of the support, and a rotation output end of the vertical rotating shaft mechanism is rotatably connected with the vertical rotating rack mechanism; the vertical rotating rack mechanism is fixedly connected with a side surface of a fixed sliding block; the other side surface of the fixed sliding block is slidably connected with a side surface of the double-stroke arc-shaped sliding track; the other side surface of the double-stroke arc-shaped sliding track is slidably connected with a side surface of a movable sliding block; and the other side surface of the movable sliding block is fixedly connected with a linear movement mechanism. The invention belongs to the field of medical robots.

Description

technical field [0001] The invention relates to mechanics, in particular to a space telecentric point motion mechanism utilizing double-stroke arc slide rails. Background technique [0002] The feature of the telecentric motion mechanism is that the output member of the mechanism can rotate around a fixed point in space and move along the axis passing through the fixed point, but there is no actual kinematic pair at this fixed point. Telecentric motion mechanisms are mostly used in the fields of welding and minimally invasive surgery, and operators in these fields need to have skilled operating techniques to complete the operation tasks. The use of telecentric point motion mechanism can greatly reduce the technical requirements for operators in these fields. [0003] Taking minimally invasive surgery as an example, the doctor inserts surgical instruments into the treatment site through small incisions on the patient's body surface for surgical operations. Usually, minimally...

Claims

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Application Information

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IPC IPC(8): A61B34/30
CPCA61B34/30A61B34/77A61B2034/301
Inventor 林伟阳仲杰于兴虎佟明斯高会军
Owner HARBIN INST OF TECH
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