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Industrial robot rigidity measurement loading device and measurement method thereof

A technology for industrial robots and loading devices, which is applied to measuring devices, testing of machine/structural components, testing of mechanical components, etc. It can solve the problems of cumbersome operation, low measurement efficiency, complex structure, etc. , high precision effect

Active Publication Date: 2018-03-30
江苏谨瑜工业智能有限公司
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  • Abstract
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  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide an industrial robot stiffness measurement and loading device to solve the problems of complex structure and cumbersome operation in the industrial robot stiffness measurement and loading in the prior art
[0005] Another object of the present invention is to provide a method for measuring the stiffness of an industrial robot and a loading device to solve the problems of cumbersome operations and low measurement efficiency in the stiffness measurement of industrial robots in the prior art

Method used

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  • Industrial robot rigidity measurement loading device and measurement method thereof
  • Industrial robot rigidity measurement loading device and measurement method thereof
  • Industrial robot rigidity measurement loading device and measurement method thereof

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Embodiment Construction

[0036] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.

[0037] see Figure 1 to Figure 3 As shown, in this embodiment, an industrial robot stiffness measurement and loading device includes a rotary base, a force transmission base and a connecting rod 1, and the rotary base can freely rotate at any angle along the horizontal plane; it includes a hollow base body 2 and studs 3, the studs 3 pass through the base body 2, thrust bearings 4 are arranged between the two ends of the base body 2 and the studs 3, and the force transmission seat includes a bottom plate 5 and two end plates 6, the two end plates 6 are fixed on the two ends of the base plate 5 by connecting bolts, the base plate 5 is provided with a fixing hole 7, and the upper end of the stud 3 protrudes from the The fixing hole 7 is connected to the base body 2 on the bottom plate 5 through nuts, ...

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Abstract

The invention discloses an industrial robot rigidity measurement loading device and a measurement thereof. The loading device comprises the components of a rotating base which can perform rotation along a horizontal plane; a force transmission seat which is fixedly connected with the rotating base and is internally provided with a lead screw that is rotatably arranged, wherein a lead screw nut sleeves a lead screw, and a hinging seat is fixed on the lead screw nut; and a connecting rod of which one end is hinged with the hinging seat, wherein the connecting rod can rotate in a vertical surface. A spring sleeves the connecting rod through a spacing assembly. A sleeve is arranged outside the spring. One end, which is far from the hinging seat, of the sleeve is provided with a connecting sleeve. The outer end of the connecting sleeve is connected with the end of an industrial robot. The industrial robot rigidity measurement loading device has advantages of simple structure, convenient operation, wide application range, high measurement efficiency. The industrial robot rigidity measurement loading device can realize measurement for static rigidity of the robot in an X-direction, a Y-direction and a Z-direction.

Description

technical field [0001] The invention belongs to the technical field of robot performance testing, and in particular relates to an industrial robot stiffness measurement loading device and a measurement method for measuring the static stiffness of a robot in three directions. Background technique [0002] An industrial robot is an automatic control, reprogrammable, multi-functional, multi-degree-of-freedom manipulator, which can carry materials, workpieces or manipulate tools to complete various operations. Compared with CNC machine tools, in addition to the low absolute positioning accuracy of robots, structural rigidity is also an important factor affecting their processing performance and end accuracy. It is mainly manifested in the following aspects: (1) The multi-link series coupling mechanism has poor stiffness and structural stability; (2) The motor and transmission mechanism are generally placed on the running connecting rod, which deteriorates the dynamic performance...

Claims

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Application Information

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IPC IPC(8): G01M13/00
CPCG01M13/00
Inventor 彭芳瑜陈晨田可心魏得权陈徐兵赵敏
Owner 江苏谨瑜工业智能有限公司
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