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Dynamometric connector

A connector and force measurement technology, which is applied in tension measurement and other directions, can solve the problems affecting the measurement accuracy of the tension sensor and inaccurate measurement, and achieve the effect of improving accuracy and measurement accuracy

Active Publication Date: 2014-12-17
HENAN POWER TRANSMISSION & TRANSFORMATION CONSTR CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The two ends of this type of force-measuring mechanism can only stretch and displace in the linear movement direction limited by the shell, which is also the force-sensitive direction of the tension sensor. When the deviation of the straight line where the force mechanism moves is large or when there is a twisting torque in the rope, the tension sensor will be affected by more forces in non-sensitive directions, which will seriously affect the measurement accuracy of the tension sensor, resulting in inaccurate measurement

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] When the force-measuring connector of Embodiment 1 is in use, its first and second connectors 31, 32 are respectively connected to the ends of the ropes to be tested, and the first connector 31 pulls the first connector of the tension sensor 37 through the upper ball joint 33. The force-measuring end 371, the second connecting head 32 pulls the second force-measuring end 372 of the tension sensor 37 through the connecting shaft 39, the lower housing 310, and the lower ball joint 34, and the first connecting head 31 can be connected with the linear guide rail 313 under the effect of The force-measuring end of the tension sensor 37 moves linearly along the axial direction of the housing together, and the swing of the upper and lower ball joints 33, 34 can make the force at both ends of the force sensor 37 act on one point as much as possible, and the purpose is to reduce the insensitive direction. The influence of the force on the force value measurement. When the twistin...

Embodiment 2

[0031] Embodiment 2 of the force measuring connector of the present invention: as Figure 4 , Figure 5 As shown, the difference from Embodiment 1 is that the first force transmission component includes an integral housing 20, the first connector 21 is integrally connected to the upper end of the housing 20, and the first force-measuring end of the tension sensor 27 is (upper end) is hinged to the housing 20 through a pin shaft 22 extending radially along the force-measuring connector. The second force transmission part is the rotating shaft 29, the second force-measuring end (lower end) of the tension sensor 27 is hinged with the rotating shaft 29 through the radially extending pin shaft 23, and the lower end of the rotating shaft 29 and the second connecting head 22 rotate through the balls in the annular channel connect. The guide mechanism between the first and second force transmission parts includes the pin shaft end 24 extending outward from the pin shaft 22 on the ro...

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Abstract

The invention discloses a dynamometric connector. The dynamometric connector comprises a tension sensor or a pressure sensor, wherein both ends of the tension sensor or pressure sensor are respectively provided with a first dynamometric end and a second dynamometric end which are correspondingly connected with a first force transmission part and a second force transmission part; the first and second force transmission parts are respectively connected with the first and second joints; at least one of the first and second dynamometric ends and the correspondingly connected force transmission part are hinged through a bulb joint or a hinge shaft which is radially arranged along the dynamometric connector; and a guiding mechanism which is used for leading the first and second force transmission parts to be in a straight motion fit along the axial direction of the dynamometric connector and in a rotation stop fit in the axial rotation direction of the dynamometric connector is arranged between the first and second force transmission parts. By using the dynamometric connector, the influence of force in non-sensitive direction on force value measurement can be reduced, so that the measurement accuracy is improved.

Description

technical field [0001] The invention relates to a load-measuring connector for measuring the force of a rope or cable. Background technique [0002] In the process of engineering construction, it is often necessary to accurately measure the tension of traction ropes, cables, and flexible cables, and in the inspection of construction equipment, it is also necessary to measure the tension of traction ropes, cables, and flexible cables. The force measuring mechanism used in the above-mentioned environment in the prior art, such as a cable internal tension test structure disclosed in Chinese Patent Announcement No. CN201780177U, includes a housing and a tension sensor arranged in the housing, and the two ends of the tension sensor can pass through There are force-transmitting parts connected with the pull rope. The housing and one of the force-transmitting parts can move relative to each other in the axial direction through the cooperation of the pin and the long hole. Upward r...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01L5/04
Inventor 尚廷东冯海盈赵华张海霞孙钦密蔡伟景国明孟北方高长海王振宇任翔申金生吴春文贾洋王统帅任玉志李玉霞付江红
Owner HENAN POWER TRANSMISSION & TRANSFORMATION CONSTR CO LTD