Connector structure of high-pressure hole packer

Abstract

The utility model provides a connector structure of a high-pressure hole packer, which comprises an inner-layer rubber tube, a rubber tube inner clamping steel wire layer, a carbon fiber composite sleeve, a carbon fiber winding layer, a hole packer outer layer and a hole packer metal connector, the steel wire rope is formed by tightly arranging and wrapping longitudinal steel wire bundles. The carbon fiber composite material sleeve is formed by winding carbon fibers and curing epoxy resin colloid, and the carbon fiber composite material sleeve, the carbon fiber winding layer and the hole packer metal connector jointly act to press the rubber pipe inner clamping steel wire layer. According to the structure, potential safety hazards caused by connection problems can be avoided, it is ensured that the high-pressure rubber hose is good in sealing performance, free of leakage and free of deformation under the conditions of high temperature and high pressure in the high-pressure rubber hose, relative position deviation between the two materials cannot occur, and the two materials cannot be pulled out due to overlarge pressure.

Description

TECHNICAL FIELD

[0001] The utility model relates to sealing joint technical field, concretely relates to a joint structure of high pressure hole sealer. BACKGROUND

[0002] The working principle of the hole sealer mainly relates to using gas pressure, hydraulic pressure or mechanical pressure to press the hole sealing material into the hole, so that it expands and fills the hole. When the pressure is removed, the hole sealing material will return to its original state, forming an effective seal. When the pressure in the pipe reaches a certain height value, the outer diameter of the rubber tube expands and deforms, sealing the hole of the hole sealer, to prevent the gas or liquid in the hole from overflowing due to excessive pressure in the hole; when the pressure operation in the hole is completed, the pressure in the hole sealer is released, and the outer diameter of the hole sealer returns to its original size due to the decrease in internal pressure, so that it can be easily recovered from the outside of the hole for the next operation. SUMMARY

[0003] The utility model provides a joint structure of high pressure hole sealer solves the technical problem that metal hole sealer joint and rubber tube are closely combined.

[0004] A joint structure of high pressure hole sealer, comprising: an inner layer rubber tube, a steel wire layer sandwiched in the rubber tube, a carbon fiber composite sleeve, a carbon fiber winding layer, a hole sealer outer layer and a hole sealer metal joint, wherein:

[0005] The steel wire layer sandwiched in the rubber tube outside the inner layer rubber tube is a longitudinal steel wire bundle layer, which is formed by tightly arranging longitudinal steel wire bundles, and is arranged in parallel with the pipe axis from one end of the pipe to the other end, which plays a role of longitudinal tension and prevents axial deformation after the hole sealer is pressurized and expanded, and meets the radial deformation of the hole sealer;

[0006] The carbon fiber composite sleeve is formed by winding carbon fibers and curing with epoxy resin glue, and cooperates with the carbon fiber winding layer and the hole sealer metal joint to compress the steel wire layer sandwiched in the rubber tube.

[0007] Further, the hole sealer metal joint is composed of a metal sleeve and a flange plate, three to five outer circular grooves are arranged on the metal sleeve, which are used to tightly clamp the axial steel wire layer sandwiched in the rubber tube with the carbon fiber winding layer, and the outer side is further covered with the carbon fiber composite sleeve, and the internal gap is filled and cured with epoxy resin glue.

[0008] Further, the rubber vulcanization connection of the joint structure of the high pressure hole sealer is provided with a pipe lining pressure ring made of metal carbon steel material, and the outer side has a certain circular arc wedge transition, and the pipe lining pressure ring tightly locks the sleeve part of the hole sealer metal joint as the internal pipe body pressure increases.

[0009] Further, the inner layer rubber tube and the hole sealer outer layer are hydrogenated butadiene acrylonitrile rubber tubes.

[0010] Further, the steel wire bundle of the inner steel wire layer of the rubber tube is composed of micron steel wire lines interwound with each other, and the total diameter of the steel wire bundle is not greater than 2.5 mm.

[0011] The structure can avoid the safety hazard caused by the connection problem, and ensure that the sealing is good, no leakage, no deformation, no relative position deviation between the two materials, and no pulling out due to excessive pressure under the high-temperature and high-pressure conditions in the high-pressure rubber tube. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is the axial cross-sectional structure schematic diagram of the joint structure of the high-pressure hole sealer provided by the utility model.

[0013] Figure 2 is the cross-sectional view before the high-pressure hole sealer is applied to pressurize;

[0014] Figure 3 is the cross-sectional view for sealing the hole after the high-pressure hole sealer is applied to pressurize.

[0015] In the drawing:

[0016] Hole sealer outer layer-1, inner layer rubber tube-2, tube lining pressure rubber ring-3, carbon fiber winding layer-4, carbon fiber composite sleeve-5, rubber tube inner steel wire layer-6, hole sealer metal joint-7 DETAILED DESCRIPTION

[0017] The joint structure of the high-pressure hole sealer will be further described in detail in combination with the drawings and specific embodiments: EMBODIMENT

[0018] As shown in the drawing, Figure 1 The joint structure of the high-pressure hole sealer comprises: an inner layer rubber tube 2, an inner steel wire layer 6 of the rubber tube, a carbon fiber composite sleeve 5, a carbon fiber winding layer 4, a hole sealer outer layer 1 and a hole sealer metal joint 7.

[0019] The inner steel wire layer 6 outside the inner layer rubber tube 2 is a longitudinal steel wire bundle layer, which is tightly arranged and covered by longitudinal steel wire bundles, and is arranged in parallel with the tube axis from one end of the tube to the other end, plays a role of longitudinal tension, prevents axial deformation after the hole sealer is pressurized and expanded, and meets the radial deformation of the hole sealer. The steel wire bundle is composed of micron steel wire lines interwound with each other, and the total diameter of the steel wire bundle is not greater than 2.5 mm.

[0020] The carbon fiber composite sleeve 5 is formed after carbon fiber winding and curing with epoxy resin glue, and cooperates with the carbon fiber winding layer 4 and the metal joint 7 of the sealing device to compress the steel wire layer in the rubber tube. The carbon fiber winding layer is used to compress the steel wire bundle in the rubber tube in the sleeve part of the metal joint of the sealing device, and then uniformly wind the carbon fiber bundle to form the carbon fiber composite sleeve, and then apply epoxy resin glue and wait for curing and stabilization.

[0021] The metal joint 7 of the sealing device is composed of a metal sleeve and a flange plate, and three to five outer circular grooves are arranged on the metal sleeve. The axial steel wire layer in the rubber tube is compressed and clamped by the carbon fiber winding layer, and the outer side is covered by the carbon fiber composite sleeve, and the internal gap is filled and cured by the epoxy resin glue.

[0022] The rubber vulcanization connection part of the joint structure of the high-pressure sealing device is provided with a metal carbon steel tube lining compression ring 3, and the outer side has a certain circular arc wedge transition. The tube lining compression ring 3 tightly locks the sleeve part of the metal joint of the sealing device as the internal tube body pressure becomes larger. The rubber vulcanization connection part is sealed by the metal tube lining compression ring 3, and the rubber and the metal joint sleeve are vulcanized to form a shape, so as to prevent the connection position from being loosened and pulled out due to the aging of the sealing device.

[0023] The inner rubber tube 2 and the outer rubber tube 1 of the sealing device are hydrogenated butadiene rubber tubes. The outer side of the steel wire bundle layer is covered with a hydrogenated butadiene rubber layer, and then the whole is vulcanized and shaped. The outer rubber is soft and has high wear resistance. After internal pressure expansion, it mainly plays a role in sealing holes, and also plays a role in protecting the carbon fiber composite sleeve and the carbon fiber winding layer.

[0024] The above describes the examples of the present application in combination with the embodiments, but the present application is not limited to the above examples. Within the knowledge range of ordinary skilled persons in the art, various changes can be made without departing from the purpose of the present application, and should be considered as the protection range of the present application.

Claims

1. A connector structure for a high-pressure sealing device, characterized in that, include: The inner tubing consists of a steel wire layer sandwiched within the tubing, a carbon fiber composite sleeve, a carbon fiber winding layer, an outer sealing layer, and a metal connector for the sealing device. The inner layer of the hose is a longitudinal steel wire bundle layer, which is made up of tightly arranged longitudinal steel wire bundles. It is arranged longitudinally and tightly from one end of the hose to the other, parallel to the hose axis, and plays a role in longitudinal tension to prevent axial deformation after the sealing device is pressurized and expanded, and also meets the radial deformation of the sealing device. The carbon fiber composite sleeve is formed by curing carbon fiber with epoxy resin after winding it, and works together with the carbon fiber winding layer and the sealing metal joint to press the steel wire layer inside the hose. The sealing device metal joint consists of a metal sleeve welded flange. The metal sleeve is provided with three to five outer circular grooves, which are used to clamp the steel wire layer inside the axial hose with carbon fiber to form a carbon fiber winding layer. The outside is then covered by a carbon fiber composite sleeve, and the internal gap is filled and cured with epoxy resin.

2. The connector structure of the high-pressure sealing device according to claim 1, characterized in that, The rubber vulcanized connection of the joint structure of the high-pressure sealing device is provided with a metal carbon steel inner lining rubber ring with a certain arc wedge transition on the outside. As the internal tube pressure increases, the inner lining rubber ring tightly locks the sleeve part of the metal joint of the sealing device.

3. The connector structure of the high-pressure sealing device according to claim 2, characterized in that, The inner tubing and the outer layer of the sealer are hydrogenated nitrile rubber tubing.

4. The connector structure of the high-pressure sealing device according to claim 3, characterized in that, The steel wire bundle with the steel wire layer inside the hose is composed of micron-sized steel wires intertwined with each other, and the total diameter of the steel wire bundle is no more than 2.5 mm.

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