Pressure container hand hole device

A technology of pressure vessels and hand holes, applied in pressure vessels, fixed-capacity gas storage tanks, mechanical equipment, etc., can solve the problems of air tightness that need to be improved, and achieve the effect of good airtight performance
CN106969141AInactive Publication Date: 2017-07-21NANTONG PRATT MACHINERY
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
NANTONG PRATT MACHINERY
Publication Date
2017-07-21
Estimated Expiration
Not applicable Β· inactive patent

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Abstract

The invention provides a pressure container hand hole device. The hand hole device comprises a top plate, a lining plate, a section hose, a manhole pressing plate, a bolt, a nut and a washer. The lower end of the bolt is fixedly connected with the top plate, the lower end of the section hose is connected with the top plate, the lining plate is arranged between the top plate and the section hose, the lining plate is connected with both the top plate and the section hose, and the section hose is welded to the wall of a pressure container. The pressure container hand hole device has the following beneficial effect that the hand hole device for the pressure container is good in sealing performance.
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Description

technical field

[0001] The invention relates to a mechanical device, in particular to a hand hole device for a pressure vessel. Background technique

[0002] What is the hand hole? The hand hole is an inspection hole, which is used for workers' hands to go deep into the equipment to clean, maintain and overhaul the equipment. The pressure vessel is provided with a hand hole device that requires good airtightness, and the airtightness of the existing hand hole device needs to be improved. Contents of the invention

[0003] The invention provides a hand hole device for a pressure vessel. The purpose of designing the device is to provide a hand hole device with good airtightness for the pressure vessel.

[0004] The invention provides the following technical solutions: a hand hole device for a pressure vessel, the hand hole device includes a top plate, a lining plate, a section pipe, a manhole pressure plate, bolts, nuts, washers, the lower end of the bolt is connected to th...

Claims

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