CN211976167U - Anti-impact enhanced rubber hose - Google Patents
Anti-impact enhanced rubber hose Download PDFInfo
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- CN211976167U CN211976167U CN202020585960.XU CN202020585960U CN211976167U CN 211976167 U CN211976167 U CN 211976167U CN 202020585960 U CN202020585960 U CN 202020585960U CN 211976167 U CN211976167 U CN 211976167U
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Abstract
The utility model belongs to the technical field of compound rubber tube, specific saying relates to an enhancement mode flexible rubber hose shocks resistance, is particularly useful for deep sea operation machinery equipment hydraulic transmission oil piping system under the marine environment. The composite rubber comprises an inner rubber layer, a composite reinforced layer and an outer rubber layer; an anti-impact layer is arranged between the inner rubber layer and the composite reinforcing layer, the anti-impact layer is a spring body formed by annularly winding spring steel wires with circular or flat sections, and the winding angle is set between 75 degrees and 85 degrees. The anti-impact enhanced rubber hose has the characteristics of high pressure resistance, torsion resistance, negative pressure resistance, compression resistance and excellent sea water erosion resistance and ageing resistance, and has the characteristics of good flexibility, good dynamic flexibility, safe and reliable performance and long service life.
Description
Technical Field
The utility model belongs to the technical field of compound rubber tube, specific saying relates to an enhancement mode flexible rubber hose shocks resistance, is particularly useful for deep sea operation machinery equipment hydraulic transmission oil piping system under the marine environment.
Background
With the rapid development of the marine industry in China, national defense marine equipment and scientific research technology are greatly improved, the requirements on the reliability, safety, service life and the like of rubber hose products in the technical field of rubber hose application, such as cruise ships, naval vessels and marine military industry, are also continuously improved, and particularly, the hydraulic transmission oil circuit system of mechanical equipment for deep sea operation in marine environment is adopted.
Most of hydraulic rubber hoses with braided/wound structures widely applied at present bear positive pressure and have excellent high-pressure resistance, but the hydraulic rubber hoses have weak negative pressure resistance and crush resistance, and particularly under the marine working condition environment, the conventional rubber hoses matched with mechanical equipment only meet shallow sea operation, and have certain potential safety hazards and risks when being used for a hydraulic transmission oil circuit system for deep sea operation; secondly, when the traditional steel wire reinforced rubber pipe meets external impact, especially axial impact, the steel wire reinforced layer has limited buffering capacity, and when the rubber pipe is used in an environment with multiple impact stress, the adhesive layer is easy to damage, and the service life of the pipe is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a both high pressure resistant, antitorque commentaries on classics, resistant negative pressure, resistance to compression are flat again to sea water erosion resistant, the ageing resistance is excellent novel shock resistance enhancement mode rubber hose, is particularly useful for the supporting hydraulic transmission oil piping system of marine field military industry scientific research equipment.
In order to achieve the above object, the utility model adopts the following technical scheme:
an impact-resistant reinforced rubber hose comprises an inner rubber layer, a composite reinforced layer and an outer rubber layer; the method is characterized in that: an anti-impact layer is arranged between the inner rubber layer and the composite reinforcing layer, the anti-impact layer is a spring body formed by annularly winding spring steel wires with circular or flat sections, and the winding angle is set between 75 degrees and 85 degrees.
The additional technical characteristics of the impact-resistant reinforced rubber hose also comprise that:
a plurality of through holes are formed in the spring steel wire, the steel wire or aramid fiber tows penetrating through the through holes are axially arranged on the circumferential edge of the spring body along a pipeline, and an adhesive is coated on the surface of the spring steel wire and used for enhancing the adhesion of impact resistance;
a protective layer is arranged on the outer side of the inner rubber layer, a spacing rubber layer is arranged between the protective layer and the impact resistant layer, the protective layer is a high-strength fiber woven mesh or a steel wire woven mesh, and the weaving density is not more than 50%;
the composite reinforced layer comprises a plurality of middle rubber layers and a plurality of compression-resistant layers which are alternately laminated, wherein the middle rubber layer positioned inside the composite reinforced layer is arranged outside the impact-resistant layer, and the compression-resistant layer positioned outside the composite reinforced layer is arranged inside the outer rubber layer;
-the inner and middle layers are made of Nitrile Butadiene (NBR) synthetic rubber; the anti-pressure layer is formed by winding a plurality of layers of copper-plated steel wires, and the winding balance angle is 54 degrees and 44 degrees; the outer rubber layer is made of Chlorinated Polyethylene (CPE) or Chloroprene Rubber (CR) synthetic rubber.
Compared with the prior art, the utility model provides a reinforced rubber hose shocks resistance has following advantage: firstly, because the anti-impact layer is arranged between the inner rubber layer and the composite reinforced layer of the anti-impact reinforced rubber hose, the anti-impact layer is a spring body formed by annularly winding spring steel wires with circular or flat cross sections, and the winding angle is set between 75 degrees and 85 degrees, the comprehensive pressure-bearing capacity of the rubber hose is improved, the spring body deforms and rebounds after the pipe body is impacted by external force, and crushing and collapsing cannot occur, so that the rubber hose can safely work under positive pressure and negative pressure; secondly, the rubber hose with the spring body arranged in the middle has good flexibility, good dynamic flexibility, safe and reliable performance and long service life, and the winding of the spring is controlled annular winding (the winding angle is set to be about 80 degrees), so that the spring is uniformly wound, the strength of the pipe is obviously improved, the bearing capacity can reach 10-20 MPa, and the bursting pressure can reach 25-35 MPa; thirdly, because the performance of relaxing impact or vibration, storage energy of spring, the winding spring of hoop fills and effective bonding does not take place the displacement between each glue film moreover, can not produce the inner wall expand tube phenomenon, can not produce the connection and the damage problem that the outstanding or defect of body terminal surface spring caused to the life of tubular product has been prolonged, compares the reinforcing tubular product that uses simple vertical, horizontal wire net reinforcing, and its effective life cycle prolongs more than 3 times, and has extensive practical range.
Drawings
Fig. 1 is a schematic structural view of the impact-resistant reinforced rubber hose of the present invention.
Detailed Description
The structure and the working principle of the impact-resistant reinforced rubber hose provided by the present invention will be further described in detail with reference to the accompanying drawings.
Referring to fig. 1, the structure of the impact-resistant reinforced rubber hose provided by the present invention is schematically illustrated. The anti-impact reinforced rubber hose comprises an inner rubber layer 1, a composite reinforced layer 2 and an outer rubber layer 3; an anti-impact layer 4 is arranged between the inner rubber layer 1 and the composite reinforcing layer 2, the anti-impact layer 4 is a spring body formed by annularly winding spring steel wires with circular or flat sections, and the winding angle is set between 75 degrees and 85 degrees.
The working principle is as follows: this novel rubber hose's outer glue film 3 and interior glue film 1 between set up the spring body that spiral winding formed, it is circular or rectangle to constitute spring steel wire cross-section, utilize the relaxation that spring itself had to strike (or vibrate), the performance of energy storage, improved rubber hose or simple adoption indulge, horizontal steel wire reinforcing rubber hose's comprehensive bearing capacity, especially when receiving axial (hoop stress) and assault, can kick-back deformation fast, the phenomenon of collapsing of can not taking place yet, rubber hose's security has been strengthened.
In the structure constituting the above-mentioned one impact-resistant reinforced rubber hose,
in order to enhance the structural stability of the rubber hose, a plurality of through holes are formed in the spring steel wire, the steel wire or aramid fiber tow 41 penetrating through the through holes is axially arranged at the circumferential edge of the spring body along the pipeline, the weight of the spring body can be reduced on the basis of ensuring the expansion and contraction performance of the spring by arranging the through holes in the spring steel wire, the light weight effect of the rubber tube body is realized, the steel wire or aramid fiber tow 41 penetrates through the through holes, the axial tensile capacity is improved, the excessive axial deformation of the rubber tube body is prevented, the capacity of bearing the internal pressure impact and the external pressure impact of the spring body is enhanced, and the surface layer of the spring steel wire is coated with an adhesive (such as Kelvin) for enhancing the impact-resistant adhesion;
furthermore, a protective layer 5 is arranged on the outer side of the inner rubber layer 1, a spacing rubber layer 6 is arranged between the protective layer 5 and the impact resistant layer 4, the protective layer 5 is a high-strength fiber woven net or a steel wire woven net, the weaving density of the protective layer 5 is not more than 50%, the inner rubber layer 1 conveys a hydraulic medium and is most directly impacted by internal pressure, so that the protective layer 5 made of the high-strength fiber or the steel wire woven net is arranged on the outer side of the inner rubber layer, the inner rubber layer 1 has a good protective effect, and meanwhile, when the rubber hose is vulcanized, the rubber material can creep and can be tightly adhered to the spacing rubber;
the composite reinforcement layer 2 is formed by alternately laminating a plurality of middle rubber layers 21 and a plurality of pressure-resistant layers 22, preferably, the middle rubber layers (21, 21 ') and the pressure-resistant layers (22, 22 ') are arranged into two layers, the middle rubber layer 21 positioned at the innermost part is arranged at the outer side of the impact-resistant layer 4, the pressure-resistant layer 22 positioned at the outermost part is arranged at the inner side of the outer rubber layer 3, and the middle rubber layers (21, 21 ') are arranged between the pressure-resistant layer 22 ' and the impact-resistant layer 4 and between the adjacent pressure-resistant layers (22, 22 '), so that the functions of adhesion and separation are achieved, the sliding abrasion between the structural layers is avoided, and the working stability of the rubber hose is improved;
in order to facilitate the connection of pipe orifices, the end part of the rubber hose is provided with a buckle type joint, preferably a 316L flat shoulder joint, and a sealing copper ring is arranged at the joint of the joint, so that a fully-sealed joint structure is realized, the operation is simple, the pipeline connection is facilitated, and the requirement of continuous operation of long-distance multi-section hoses is met;
preferably, the inner rubber layer 1 and the middle rubber layers (21, 21') are made of Nitrile Butadiene (NBR) synthetic rubber, and have excellent oil resistance and heat resistance and good water resistance and air tightness; the pressure-resistant layers (22 and 22') are formed by winding a plurality of layers of copper-plated steel wires, the winding balance angle is 54 degrees and 44 degrees, the plurality of layers of copper-plated steel wires are alternately stacked, when the pipe body bears pressure, the pipe body expands and contracts, the stress of the composite reinforcing layer 2 is transmitted layer by layer from the inner layer, and the comprehensive impact resistance of the rubber hose is improved; the outer rubber layer 3 is made of Chlorinated Polyethylene (CPE) or Chloroprene Rubber (CR) synthetic rubber, has good weather resistance, ozone resistance, chemical medicine resistance and aging resistance, has good oil resistance, fire resistance and toughness, is suitable for various use occasions, is applied to ocean operation, has good wind and wave impact resistance and seawater erosion resistance, meets different working environments on shore and seabed, and is particularly safe and stable in dynamic or static performance in a long-term use process.
Claims (5)
1. An impact-resistant reinforced rubber hose comprises an inner rubber layer, a composite reinforced layer and an outer rubber layer; the method is characterized in that: an anti-impact layer is arranged between the inner rubber layer and the composite reinforcing layer, the anti-impact layer is a spring body formed by annularly winding spring steel wires with circular or flat sections, and the winding angle is set between 75 degrees and 85 degrees.
2. An impact-resistant reinforced rubber hose according to claim 1, wherein: the spring steel wire is provided with a plurality of through holes, the steel wire or aramid fiber tows penetrating through the through holes are axially arranged on the circumferential edge of the spring body along a pipeline, and the surface of the spring steel wire is coated with an adhesive for enhancing the impact-resistant bonding.
3. An impact-resistant reinforced rubber hose according to claim 1 or 2, wherein: the outside of interior glue film sets up the protective layer, the protective layer with set up the interval glue film between the shock resistance layer, the protective layer is high-strength fiber woven mesh or steel wire woven mesh and weave the density and be not more than 50%.
4. An impact-resistant reinforced rubber hose according to claim 1 or 2, wherein: the composite reinforcement layer comprises a plurality of middle rubber layers and a plurality of compression-resistant layers which are stacked alternately, the middle rubber layer inside the composite reinforcement layer is arranged on the outer side of the impact-resistant layer, and the compression-resistant layer outside the composite reinforcement layer is arranged on the inner side of the outer rubber layer.
5. An impact-resistant reinforced rubber hose according to claim 4, wherein: the inner rubber layer and the middle rubber layer are both made of Nitrile Butadiene (NBR) synthetic rubber; the anti-pressure layer is formed by winding a plurality of layers of copper-plated steel wires, and the winding balance angle is 54 degrees and 44 degrees; the outer rubber layer is made of Chlorinated Polyethylene (CPE) or Chloroprene Rubber (CR) synthetic rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020585960.XU CN211976167U (en) | 2020-04-20 | 2020-04-20 | Anti-impact enhanced rubber hose |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020585960.XU CN211976167U (en) | 2020-04-20 | 2020-04-20 | Anti-impact enhanced rubber hose |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211976167U true CN211976167U (en) | 2020-11-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020585960.XU Active CN211976167U (en) | 2020-04-20 | 2020-04-20 | Anti-impact enhanced rubber hose |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211976167U (en) |
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2020
- 2020-04-20 CN CN202020585960.XU patent/CN211976167U/en active Active
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