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Stably connected torque sensor

A torque sensor, stable technology, applied in the field of torque sensor with stable connection, can solve problems such as loose joints of robots, affecting robot performance, etc., and achieve the effect of ensuring normal use, avoiding slippage, and stable connection

Pending Publication Date: 2018-08-17
SUNRISE INSTR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the connection of the torque sensor is not firm, it will cause the internal loosening of the robot joints during long-term operation, which will affect the performance of the robot.

Method used

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  • Stably connected torque sensor
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Please refer to figure 1 , the present invention provides a firmly connected torque sensor, including a torque sensor body 1, an external connection fixture 2 and a screw 3, the torque sensor body 1 is provided with a through hole 4, and the external connection fixture 2 is provided with a coaxial threaded hole 5 and Positioning hole 6, positioning hole 6 is positioned at the outer side of threaded hole 5, and the inner diameter of positioning hole 6 is equal to the nominal diameter of threaded hole 5; The rod portion of screw 3 includes the polished rod portion 31 that is positioned at rear end and the threaded portion 32 that is positioned at front end, and the threaded portion 32 is provided with an external thread that matches the internal thread of the threaded hole 5; the torque sensor body 1 and the external connection fixture 2 are firmly connected by the screw 3. When connecting, the threaded part 32 and the polished rod part 31 pass through the through hole 4, ...

Embodiment 2

[0026] Please refer to image 3 , different from Embodiment 1, in this embodiment, the firmly connected torque sensor also includes a nut 9, at this time, the threaded hole 5 is replaced by the internal threaded hole of the nut 9, and the external connection fixture 2 is provided with a positioning hole 6, The positioning hole 6 passes through the entire external connection fixture 2. When connecting, the threaded part 32 and the polished rod part 31 pass through the through hole 4. The threaded part 32 is located in the internal threaded hole of the nut 9, and part of the polished rod part 31 is located in the positioning hole 6, that is, The connection between the torque sensor body 1 , the external connection fixture 2 , the screw 3 and the nut 9 is achieved through the action of the threaded portion 32 of the screw 3 and the internal threaded hole of the nut 9 .

Embodiment 3

[0028] Please refer to Figure 4 , different from Embodiment 1, in this embodiment, the torque sensor body 1 includes an inner ring 11 and an outer ring 12, and the external connection fixture 2 includes an inner ring connection fixture 21 and an outer ring connection fixture 22; A coaxial threaded hole 5 and a positioning hole 6 are provided. The inner ring connecting jig 21 is provided with a through hole 4. The inner ring 11 and the inner ring connecting jig 21 are firmly connected by screws 3. When connecting, the threaded part 32 and the polished rod part 31 Through the through hole 4, the threaded part 32 is located in the threaded hole 5, and part of the polished rod part 31 is located in the positioning hole 6; the outer ring 12 is provided with a through hole 4, and the outer ring connecting fixture 22 is provided with a coaxial threaded hole 5 and positioning Hole 6, the outer ring 12 and the outer ring connection fixture 22 are firmly connected by screws 3. When con...

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Abstract

The invention discloses a stably connected torque sensor. The stably connected torque sensor comprises a torque sensor body, an external connecting fixture and a screw, wherein a through hole is formed in one of the torque sensor body and the external connecting fixture, a threaded hole and a positioning hole which are coaxial are formed in the other one of the torque sensor body and the externalconnecting fixture, and the inside diameter of the positioning hole is greater than or equal to the nominal diameter of the threaded hole; the rod part of the screw comprises a polished rod part located on the back end and a threaded part located on the front end, and external threads which are matched with internal threads of the threaded hole are formed on the threaded part; and the torque sensor body and the external connecting fixture are stably connected by the screw, during connection, the threaded part and the polished rod part pass through the through hole, the threaded part is locatedin the threaded hole, part of the polished rod part is located in the positioning hole, and the polished rod part is in transition fit with the positioning hole. According to the stably connected torque sensor, sliding between the torque sensor body and the external connecting fixture can be preferably avoided, and normal use of the torque sensor is guaranteed, so that normal operation of the whole mechanical system can be effectively guaranteed.

Description

technical field [0001] The invention relates to the technical field of torque sensors, in particular to a firmly connected torque sensor. Background technique [0002] With the progress of industry, there are more and more applications of torque sensors. Most torque sensors are thick and heavy, and have a large size, which is not convenient for installation and use in places with high space requirements. Therefore, where the size is limited, the size of the torque sensor has to be reduced. In this way, higher requirements are put forward for the connection mode of the torque sensor and the external connection parts. [0003] The torque sensor mainly includes an inner ring, an outer ring, a force measuring beam and a strain gauge, the inner ring and the outer ring are connected by a force measuring beam, and the strain gauge is located on the force measuring beam. In practical application, the inner ring connection jig is connected to the inner ring, the outer ring connect...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16B35/04G01L3/00
CPCF16B35/041G01L3/00
Inventor 黄约
Owner SUNRISE INSTR CO LTD
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