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Through-hole Servo Actuator for Structural Test

A technology of servo actuator and structural test, applied in the direction of fluid pressure actuating device, etc., can solve the problems of low safety, poor applicability, sudden sample damage, etc., achieve high safety, good applicability, avoid sample the effect of sudden destruction

Active Publication Date: 2017-07-04
杭州邦威机电控制工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the deficiencies of the existing structural test actuators that cannot control the loading force when the critical instability results in sudden destruction of the sample, low safety, and poor applicability, the present invention provides an effective control mechanism for critical instability. Loading force avoids sudden destruction of the sample, high safety and good applicability through the core servo actuator for structural testing

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  • Through-hole Servo Actuator for Structural Test
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  • Through-hole Servo Actuator for Structural Test

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with the accompanying drawings.

[0023] refer to Figure 1 to Figure 5 , a center-through servo actuator for structural testing, comprising a servo actuator cylinder 1, a piston 2 is slidably installed in the servo actuator cylinder 1, and the piston 2 is connected with the piston rod 3, so Both the piston 2 and the piston rod 3 are provided with a through-hole 4 for the loading rod to pass through, the front end surface of the piston rod 3 is connected with the load sensor 5, and the loading rod is sealed through the through-hole 4. Then, it is connected to the load sensor 5 , a displacement sensor 6 is installed on the side of the servo-actuator cylinder 1 , and the displacement sensor 6 is linked with the piston rod 3 .

[0024] Further, the displacement sensor 6 is fixed on a guide mechanism, and the guide mechanism moves synchronously with the piston rod 3 .

[0025] Preferably, the guide mecha...

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Abstract

A center-hole type servo actuator for a structure test comprises a servo actuator cylinder, a piston is mounted in the servo actuator cylinder in a sliding mode and connected with a piston rod, and the piston and the piston rod are each provided with a center via hole for a loading pull rod to penetrate through. The front end face of the piston rod is connected with a load sensor. The loading pull rod penetrates through the center via holes in a sealed mode and then is connected with the load sensor. A displacement sensor is mounted on the side face of the servo actuator cylinder and linked with the piston rod. According to the center-hole type servo actuator for the structure test, the loading force can be effectively controlled in critical unstability, so that a sample is prevented from being damaged suddenly; the safety is high, and adaptability is good.

Description

technical field [0001] The invention relates to the technical field of a civil engineering structure loading test system, in particular to a structural test actuator. Background technique [0002] The existing civil engineering structural test loading system, especially the civil engineering compression shear test system, according to public reports, the conventional loading method is to arrange one or several groups of distributed load-bearing beams on the upper end of the specimen, and place piercing beams at both ends of the beam. Axial pressure jack, the tie rod is fixed on the reaction force foundation or self-reaction force frame through the bottom hinge after passing through the jack, the function of the through-mandrel axial pressure jack is to simulate the gravity load; the servo actuator is arranged in the horizontal direction to simulate the shear force; the through-core jack and the servo actuator to load the specimen according to the loading scheme. [0003] Th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F15B15/14F15B15/20
Inventor 李建华秦谚黄劲辉乔书庆
Owner 杭州邦威机电控制工程有限公司