Hydraulic hose assembly of heavy machinery

Abstract

The utility model relates to the technical field of hydraulic hoses, in particular to a heavy machinery hydraulic hose assembly. According to the technical scheme, the device comprises connecting nuts, connecting pipes and a rubber hose, the two ends of the rubber hose are fixedly connected with the connecting pipes, the outer surfaces of the two connecting pipes are movably sleeved with the connecting nuts, and a plurality of linear protruding strips are arranged on the outer surface of the rubber hose in an annular array at equal intervals; a containing cavity is formed in each linear protruding strip, and color developing liquid is arranged in the containing cavities. According to the hydraulic hose, the bending extrusion resistance and the abrasion resistance of the hydraulic hose can be improved, and the hydraulic hose can be found and treated in time when being excessively extruded and abraded completely, so that the service life of the hydraulic hose is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic hose technical field, concretely is a heavy machinery hydraulic hose assembly. BACKGROUND

[0002] Hydraulic hose is a kind of key components for use in hydraulic system, mainly used for conveying hydraulic medium, such as hydraulic oil, fuel oil etc., ensure the normal operation of hydraulic system, due to its excellent performance and special structure, hydraulic hose is widely used in various industrial fields, including oilfield exploitation, engineering construction, hoisting and transportation, metallurgical forging, mining equipment, ship, agricultural machinery etc.

[0003] The current hydraulic hose in the process of using, over bending extrusion and contact friction phenomenon inevitably appear, the former is prone to crack on the surface of hydraulic hose, even hydraulic oil leakage appears, and the latter can cause the surface wear of hydraulic hose, reduce the pressure strength of hydraulic hose, so that the hydraulic hose is prone to break at the wear place and appears hydraulic oil leakage, both reduce the service life of hydraulic hose, for this purpose, we propose a heavy machinery hydraulic hose assembly. UTILITY MODEL CONTENTS

[0004] The utility model discloses a heavy machinery hydraulic hose assembly, with the advantages of being capable of improving the bending extrusion strength and wear resistance of hydraulic hose, and timely discovering and processing when the hydraulic hose is subjected to excessive extrusion and wear, thereby prolonging the service life of hydraulic hose, solve the current hydraulic hose in the process of using, over bending extrusion and contact friction phenomenon inevitably appear, the former is prone to crack on the surface of hydraulic hose, even hydraulic oil leakage appears, and the latter can cause the surface wear of hydraulic hose, reduce the pressure strength of hydraulic hose, so that the hydraulic hose is prone to break at the wear place and appears hydraulic oil leakage, both reduce the service life of hydraulic hose.

[0005] To realize the above-mentioned purpose, the utility model provides the following technical scheme: a heavy machinery hydraulic hose assembly, including connecting nut, connecting pipe and rubber hose, the both ends of rubber hose are fixedly connected with connecting pipe, and the outer surfaces of two connecting pipes are movably sleeved with connecting nut, the outer surface of rubber hose is equidistantly provided with a plurality of straight convex strips in annular array, each straight convex strip is internally provided with containing chamber, and the containing chamber is internally provided with color developing liquid.

[0006] Preferably, the inner wall of the rubber hose is provided with a corrosion-resistant coating, which can improve the corrosion resistance of the inner wall of the rubber hose to prevent damage due to corrosion and prolong the service life of the rubber hose.

[0007] Preferably, the rubber hose is internally provided with a reinforcing steel wire mesh, which can enhance the strength of the rubber hose.

[0008] Preferably, each connecting pipe is provided with an annular fixing slot on the side close to the rubber hose, and the two ends of the rubber hose are located in the two annular fixing slots respectively.

[0009] Preferably, each connecting pipe is provided with a limiting stop ring on the side away from the rubber hose, and the limiting stop ring is located in the connecting nut, so that the limiting stop ring limits the connecting nut to avoid the connecting nut from slipping off the connecting pipe.

[0010] Preferably, the outer surface of each limiting stop ring is provided with an annular groove on the side away from the rubber hose, and each annular groove is provided with a sealing ring.

[0011] Preferably, the inner wall of each annular groove is provided with an annular clamping groove, and the outer surface of each sealing ring is provided with an annular protrusion located in the annular clamping groove.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1、The utility model discloses a rubber hose, connecting pipe, connecting nut, linear protruding strip, containing chamber and color developing liquid reach can improve the bending extrusion strength and wear resistance of hydraulic hose, and when the hydraulic hose is pressed completely and worn excessively, can discover and handle in time, thereby prolonging the service life of the hydraulic hose effect, and the rubber hose and linear protruding strip constitute the main structure of the hydraulic hose, and the connecting pipe and connecting nut constitute the joint of the hydraulic hose, and the hydraulic hose is connected through the joint and pipeline, and the linear protruding strip of annular array distribution on the outer surface of the rubber hose can enhance the bending extrusion strength of the hydraulic hose, and also hinders the direct contact of the rubber hose and object, avoids the wear and tear of the outer surface of the rubber hose, thereby improve the wear resistance of the hydraulic hose, and in the process of excessive bending extrusion and surface wear of the hydraulic hose, the linear protruding strip breaks first, and the color developing liquid in the containing chamber leaks, so that the staff discovers and handles in time, avoids the damage of the rubber hose due to excessive bending extrusion and wear.

[0014] 2、The utility model discloses a corrosion -resistant coating can improve the corrosion -resistant performance of the inner wall of the rubber hose to avoid the damage of the inner wall of the rubber hose due to corrosion, prolong the service life of the rubber hose.

[0015] 3. The utility model discloses a ring -shaped clamping slot and ring -shaped protruding are set up, have reached the effect that the sealing ring is fixed in the ring -shaped recess inside, prevent the sealing ring from ring -shaped recess inside slip off, when sealing ring is inserted to the ring -shaped recess inside, the ring -shaped protruding of sealing ring surface is clamped into the ring -shaped clamping slot inside, with sealing ring is fixed in the ring -shaped recess inside.

[0016] 4. The utility model discloses a reinforcing steel wire net can improve the strength of rubber hose itself to improve its use performance, prolong service life simultaneously. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0018] Figure 2 It is the three-dimensional structure schematic diagram of rubber hose partial of the utility model;

[0019] Figure 3 It is the three-dimensional structure schematic diagram of connecting nut and connecting pipe partial of the utility model;

[0020] Figure 4 It is the three-dimensional structure schematic diagram of the utility model Figure 3 A's amplification structure schematic diagram.

[0021] Sign significance: 1, connecting nut;2, connecting pipe;3, rubber hose;4, straight protruding strip;5, corrosion -resistant coating;6, reinforcing steel wire net;7, color developing liquid;8, containing chamber;9, ring -shaped fixed slot;10, limit baffle ring;11, ring -shaped recess;12, ring -shaped clamping slot;13, ring -shaped protruding;14, sealing ring. DETAILED DESCRIPTION

[0022] The technical scheme of the utility model will be further explained below in combination with the drawings and specific embodiments. Embodiment one

[0023] As Figures 1-4As shown, the utility model provides a kind of heavy machinery hydraulic hose assembly, including connecting nut 1, connecting pipe 2 and rubber hose 3, rubber hose 3 both ends are fixedly connected with connecting pipe 2, connecting pipe 2 is hard pipe, every connecting pipe 2 is close to the side of rubber hose 3 Annular fixed slot 9 is provided, and rubber hose 3 both ends are located respectively in two annular fixed slot 9 inside, and the outer surface of two connecting pipe 2 is movably sleeved with connecting nut 1, connecting pipe 2 and connecting nut 1 form the joint structure of hydraulic hose, the side of every connecting pipe 2 is away from rubber hose 3 Annular stop ring 10 is provided, and annular stop ring 10 is located in connecting nut 1, annular stop ring 10 is limited to the effect of connecting nut 1, prevent connecting nut 1 from sliding off from connecting pipe 2, the outer surface of rubber hose 3 is annular array equidistant and is provided with a plurality of straight protruding strips 4, and straight protruding strip 4 and rubber hose 3 are integrally formed.

[0024] Rubber hose 3 and straight protruding strip 4 form the main structure of hydraulic hose, every straight protruding strip 4 is provided with containing chamber 8 inside, and containing chamber 8 is provided with color developing liquid 7 inside, in the process of excessive bending and extrusion and surface wear of rubber hose 3, straight protruding strip 4 will break before rubber hose 3, and color developing liquid 7 in containing chamber 8 will leak out, so that staff can be found in time and handle, avoid the damage of rubber hose 3 itself due to excessive bending and extrusion and wear, corrosion-resistant coating 5 is arranged on the inner wall of rubber hose 3, corrosion-resistant coating 5 can improve the corrosion resistance of the inner wall of rubber hose 3, to avoid the damage of the inner wall of rubber hose 3 due to corrosion, prolong the service life of rubber hose 3, the inner wall of rubber hose 3 is provided with reinforced steel wire mesh 6, and the reinforced steel wire mesh 6 and rubber hose 3 are integrally formed, and the reinforced steel wire mesh 6 enhances the strength of rubber hose 3.

[0025] The utility model in using, rubber hose 3 and straight protruding strip 4 form the main structure of hydraulic hose, and connecting pipe 2 and connecting nut 1 form the joint structure of hydraulic hose, and the hydraulic hose is connected by joint and pipeline etc., and the straight protruding strip 4 of annular array distribution on the outer surface of rubber hose 3 can enhance the bending extrusion strength of hydraulic hose, also hinder the direct contact of rubber hose 3 and object, avoid the wear and tear of the outer surface of rubber hose 3, to improve the wear resistance of hydraulic hose, and in the process of excessive bending and extrusion and surface wear of hydraulic hose, straight protruding strip 4 will break before rubber hose 3, and color developing liquid 7 in containing chamber 8 will leak out, so that staff can be found in time and handle, avoid the damage of rubber hose 3 itself due to excessive bending and extrusion and wear, to prolong the service life. Example two

[0026] As Figure 1 , Figure 3 And Figure 4As shown, the utility model provides a kind of heavy machinery hydraulic hose assembly, compared with embodiment one, this embodiment further include the one side of each limit baffle ring 10 outer surface is away from rubber hose 3, is provided with annular groove 11, each annular groove 11 inside is provided with sealing ring 14, each annular groove 11 inner wall is provided with annular clamping groove 12, each sealing ring 14 outer surface is provided with annular protrusion 13, annular protrusion 13 and sealing ring 14 integrally formed, and annular protrusion 13 is located in annular clamping groove 12 inside.

[0027] In the embodiment, annular groove 11 limits sealing ring 14, sealing ring 14 is sealed when connecting pipe 2 is connected, and when sealing ring 14 is inserted into annular groove 11, annular protrusion 13 on the surface of sealing ring 14 is clamped into annular clamping groove 12, to fix sealing ring 14 in annular groove 11, prevent sealing ring 14 from slipping out of annular groove 11.

[0028] The above specific embodiments are only several preferred embodiments of the utility model, based on the technical scheme of the utility model and the related inspiration of the above embodiments, the person skilled in the art can make various alternative improvements and combinations to the above specific embodiments.

Claims

1. A heavy machinery hydraulic hose assembly comprising a connection nut (1), a connection tube (2) and a rubber hose (3), characterized in that: The rubber hose (3) is fixedly connected with connecting pipes (2) at both ends, the outer surfaces of the two connecting pipes (2) are movably sleeved with connecting nuts (1), the outer surface of the rubber hose (3) is arranged with a plurality of linear convex strips (4) in an annular array at equal intervals, each linear convex strip (4) is internally provided with an accommodating cavity (8), and the accommodating cavity (8) is internally provided with a color developing liquid (7).

2. A heavy duty machine hydraulic hose assembly as claimed in claim 1, characterized in that: The inner wall of the rubber hose (3) is provided with a corrosion-resistant coating (5).

3. A heavy duty hydraulic hose assembly as defined in claim 1, wherein: The rubber hose (3) is internally provided with a reinforcing steel wire mesh (6).

4. A heavy duty hydraulic hose assembly as defined in claim 1, wherein: Each connecting pipe (2) is provided with an annular fixed slot (9) on the side close to the rubber hose (3), and the two ends of the rubber hose (3) are respectively located in the two annular fixed slots (9).

5. A heavy duty hydraulic hose assembly as defined in claim 1, wherein: Each connecting pipe (2) is provided with a limiting stop ring (10) on the side away from the rubber hose (3), and the limiting stop ring (10) is located in the connecting nut (1).

6. A heavy duty hydraulic hose assembly as defined in claim 5, wherein: The outer surface of each limiting stop ring (10) is provided with an annular groove (11) on the side away from the rubber hose (3), and the inner surface of each annular groove (11) is provided with a sealing ring (14).

7. A heavy duty hydraulic hose assembly as defined in claim 6, wherein: The inner wall of each annular groove (11) is provided with an annular clamping groove (12), the outer surface of each sealing ring (14) is provided with an annular protrusion (13), and the annular protrusion (13) is located in the annular clamping groove (12).

Images