Test chuck for water pressure of free body of dry powder bottle cylinder body

A hydrostatic test and chuck technology, applied in measuring devices, instruments, scientific instruments, etc., can solve problems such as non-conformance, and achieve the effects of high test quality, high test efficiency and safe operation

Inactive Publication Date: 2012-09-19
何小成
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The dry powder bottle cylinder free body hydraulic testing equipment and test method in the prior art need to apply external force to the bott

Method used

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  • Test chuck for water pressure of free body of dry powder bottle cylinder body
  • Test chuck for water pressure of free body of dry powder bottle cylinder body
  • Test chuck for water pressure of free body of dry powder bottle cylinder body

Examples

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Example Embodiment

[0022] Examples:

[0023] Such as figure 1 , 2 The free-body hydraulic test chuck for the dry powder bottle cylinder is provided with a clamp, a water drain box, and an oil cylinder; the clamp includes a chuck pull rod 1 with a through hole in the middle, a locking sleeve 3 outside the chuck pull rod, and a locking sleeve 3 A locking guide sleeve 4 is sheathed on the outside, and three locking pieces 2 are movably connected to the locking sleeve. The cylinder includes a cylinder body 10, in which a piston 7 and a cylinder shaft 11 with a through hole in the middle are installed. Equipped with a sealing ring and a dust ring 8 for sealing. The water discharge block 9 is provided with water inlet and outlet holes 14 with two layers of sealing rings 6 inside; the water discharge block 9 is equipped with a cover head 5, and a connecting hole is arranged in the middle of the cover head. The locking guide sleeve 4 is used for passing through the connection hole. The screw thread is con...

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PUM

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Abstract

The invention discloses a test chuck for the water pressure of a free body of a dry powder bottle cylinder body. The test chuck is characterized by being provided with a clamp, a water draining square block and an oil cylinder, wherein the clamp comprises a chuck pull rod of which the middle is provided with a through hole; a locking sleeve is arranged outside the chuck pull rod; more than two locking sheets are movably connected with the locking sleeve; the oil cylinder comprises an oil cylinder body; a piston and an oil cylinder shaft of which the middle is provided with a through hole are arranged in the oil cylinder body; a water passing hole is formed in the water draining square block; the chuck pull rod of the clamp is in threaded connection with the oil cylinder shaft; the chuck pull rod is communicated with the central hole of the oil cylinder shaft; the water draining square block is connected onto the oil cylinder body by using screws; a locking guiding sleeve is arranged outside the locking sleeve; a cover head is arranged on the water draining square block; and the locking guiding sleeve is in threaded connection to the cover head. The test chuck disclosed by the invention meets the national and international test standards; no external force is applied to the cylinder body in the pressure testing process, so that high detection quality is obtained; and the test chuck has the advantages of suitability for batch operation, high test efficiency and safety, convenience and force saving in operation.

Description

technical field [0001] The invention relates to a fire extinguisher testing device, in particular to a chuck for testing the free body hydraulic pressure of a dry powder bottle cylinder. Background technique [0002] The working pressure of the dry powder bottle cylinder is 3-5Mpa. Due to the mass production of the production line, the hydraulic strength test should be carried out one by one. There must be no leakage and deformation during the test, except for the test pressure and the need for force on the bottle mouth due to sealing and the external method. In addition to the liquid static pressure exerted by the water in the water jacket on the bottle mouth, the pressure test device shall not exert any external force on the test bottle that can affect the deformation of the cylinder. The dry powder bottle cylinder free body hydraulic testing equipment and testing method in the prior art need to apply external force to the bottom of the dry powder bottle fire extinguisher ...

Claims

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Application Information

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IPC IPC(8): G01N3/04
Inventor 何小成
Owner 何小成
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