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Servo device and method matched with swing table

A technology of servo device and swing table, which is applied in the direction of measuring device, instrument, vibration test, etc., can solve the problems of large volume, high center of gravity, large moment of inertia, etc., and achieve the effect of large load mass, high utilization rate, accurate and stable motion

Pending Publication Date: 2021-05-28
北京星光凯明智能装备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The LNG coiled tube heat exchanger and its frame have a large overall volume, a high center of gravity, and a large moment of inertia

Method used

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  • Servo device and method matched with swing table
  • Servo device and method matched with swing table
  • Servo device and method matched with swing table

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] Embodiment 1: as figure 1 , figure 2 , Figure 5 , Figure 8 , Figure 9 , Figure 10 , Figure 11 , Figure 12 , Figure 13 , Figure 14 , Figure 15 , Figure 16 , Figure 17 , Figure 18 and Figure 19 As shown, a hydraulic swing table is equipped with a servo device, including an oil source electrical control system and a motion control system.

[0043] Such as figure 1 , figure 2 , Figure 5 As shown in the figure, a hydraulic swing table is equipped with a servo device. The steel plate is embedded in the reinforced concrete 1, and the cylinder support assembly 2 and the fixed support hinge support assembly 4 are fixedly connected to the embedded steel plate through anchor bolts, so that they are connected to the reinforced concrete foundation. as one. Four dampers 12 are installed on the foundation around the fixed support hinge support assembly 4, and the upper ear of the fixed support hinge support assembly 4 and the damper 12 constitute a mec...

Embodiment 2

[0131] Embodiment 2: as image 3 , Figure 4 , Figure 6 , Figure 7 and Figure 18 As shown, the invention provides a large load mass, firm and compact structure, small overall footprint, accurate and stable movement, safe and reliable, can truly achieve the effect of simulating the sloshing simulation of the LNG coiled tube heat exchanger, and can realize winding X, Y It is a simulation test platform that can perform compound motion while rotating two axes.

[0132] A swing table is driven by a servo electric cylinder. Both the roll servo electric cylinder 44 and the pitch servo electric cylinder 45 are composed of a plurality of direct-connected electric cylinders 55, an upper hinge support connecting plate 47 and a lower hinge support connecting plate 46. , the rod ends of the piston rods 53 of the three servo electric cylinders connected in parallel are connected to the connecting plate 47 of the upper hinge support, and the motor housing 56 is installed on the connec...

Embodiment 3

[0139] Embodiment 3: as figure 1 , figure 2 , Figure 5 , Figure 8 , Figure 9 , Figure 10 , Figure 11 , Figure 12 , Figure 13 , Figure 14 , Figure 15 , Figure 16 , Figure 17 , Figure 18 and Figure 19 As shown, a servo method for a swing table includes the following steps:

[0140] 1. When the power source is hydraulic oil, the driving component is a servo cylinder. The oil source electrical control system and hydraulic device are used to transport the hydraulic oil from the oil source to the servo cylinder. The motion control system cooperates with the oil source electrical control system to realize the swing table. motion control, safety protection, and real-time monitoring.

[0141] The drive assembly includes a roll master cylinder, a pitch master cylinder, a roll assist cylinder and a pitch assist cylinder, which are respectively evenly distributed around the swing table.

[0142] Considering control accuracy and control synchronization, two-cyl...

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Abstract

The invention discloses a servo device and method matched with a swing table, and belongs to the technical field of motion simulation test and test equipment. When the power source is hydraulic oil, the driving assembly is a servo oil cylinder, the driving principle of the servo oil cylinder is that the hydraulic oil is conveyed into the servo oil cylinder from an oil source through an oil source electrical control system and a hydraulic device, and the hydraulic oil serves as the power source of the servo oil cylinder. The motion control system is matched with the oil source electrical control system to realize motion control, safety protection and real-time monitoring of the swing table; when the power source is electricity, the driving assembly is a servo electric cylinder, according to the driving principle of the servo electric cylinder, a kinematic pair of the ball screw is used for converting rotary motion of the motor into linear motion of the servo electric cylinder to achieve telescopic motion of the servo electric cylinder, and the control system achieves control over the telescopic motion of the servo electric cylinder. Therefore, the swing table generates single-degree-of-freedom or two-degree-of-freedom compound motion with different frequencies and different amplitudes.

Description

technical field [0001] The invention relates to a servo device and method for a swing table, which is specially used for the sloshing simulation test of a large-scale LNG / FLNG (Liquefied Natural Gas / Floating Liquefied Natural Gas liquefied natural gas / floating liquefied natural gas facility) coiled heat exchanger, and belongs to the motion simulation test , testing equipment and other technical fields. Background technique [0002] The LNG coiled tube heat exchanger is the first choice for the main low-temperature heat exchanger of natural gas liquefaction equipment. In order to break the monopoly of foreign companies in this technology, and provide qualified domestic coiled tube heat exchangers for CNOOC's independent natural gas liquefaction process technology, And design a swing table and supporting servo system for the application of the LNG coiled heat exchanger prototype in the actual LNG liquefaction plant to simulate the sea, carry out the sloshing test of the LNG co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M10/00G01M7/02
CPCG01M10/00G01M7/025
Inventor 张杰宋建瓴孔鹏郭彦祯殷志华
Owner 北京星光凯明智能装备有限公司
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