CN211059529U - Steel wire woven hydraulic rubber hose - Google Patents
Steel wire woven hydraulic rubber hose Download PDFInfo
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- CN211059529U CN211059529U CN201921109326.2U CN201921109326U CN211059529U CN 211059529 U CN211059529 U CN 211059529U CN 201921109326 U CN201921109326 U CN 201921109326U CN 211059529 U CN211059529 U CN 211059529U
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Abstract
The utility model relates to a hydraulic hose is woven to steel wire, including the interior glue film that sets gradually from interior to exterior, enhancement layer and outer glue film, the elastomeric compound that interior glue film was made for butadiene-acrylonitrile rubber and chlorosulfonated polyethylene and packing has N774 carbon black, the enhancement layer includes the first steel wire weaving layer that sets gradually from interior to exterior, well glue film and second steel wire weaving layer, the thickness of interior glue film is 0.8mm ~ 1.2mm, the thickness of well glue film is 0.20mm ~ 0.30mm, the thickness of outer glue film is 0.6mm ~ 1.0mm, first steel wire weaving layer and second steel wire weaving layer are woven by the stranding steel wire and are formed, the stranding steel wire is stranded by many steel wires and forms, the cross section of steel wire is the platode structure. The utility model discloses a minimum bend radius is little, and the installation is applicable to the little occasion of installation space, and it is good to be able to bear or endure to flex the pulse performance, long service life, moreover with connect the assembly easy and simple to handle and good reliability.
Description
Technical Field
The utility model relates to a rubber tube technical field, more specifically say, relate to a hydraulic hose is woven to steel wire.
Background
At present, the steel wire woven hydraulic hose is widely used for a high-pressure hydraulic system of engineering machinery, and the existing steel wire woven hydraulic hose generally comprises: the total wall thickness of the rubber pipe is thick, so that the rubber pipe is not easy to bend during installation and is difficult to install when the space is limited; and outer gum layer thickness is thicker, when leading to the rubber tube assembly joint, need to strip outer glue and assemble again, and the steel wire enhancement layer is damaged easily when stripping outer glue, and is inefficient and have the quality hidden danger, if not strip outer glue, the rubber tube then need use the dedicated joint of not shelling to glue to assemble, and is with high costs, and still can't eliminate and connect the pine and take off the risk.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that a hydraulic hose is woven to steel wire is provided, its minimum bend radius is little, and the installation is applicable to the little occasion of installation space, and resistant pulse performance of warping is good, moreover with connect assembly easy and simple to handle and good reliability.
In order to solve the technical problem, the utility model provides a hydraulic hose is woven to steel wire, it includes interior glue film, enhancement layer and the outer glue film that from interior to exterior set gradually, the elastomeric compound that interior glue film was made for butadiene-acrylonitrile rubber and chlorosulfonated polyethylene just fills there is N774 carbon black, the enhancement layer includes first steel wire weaving layer, well glue film and the second steel wire weaving layer that from interior to exterior set gradually, the thickness of interior glue film is 0.8mm ~ 1.2mm, the thickness of well glue film is 0.20mm ~ 0.30mm, the thickness of outer glue film is 0.6mm ~ 1.0mm, first steel wire weaving layer and second steel wire weaving layer are woven by the stranding steel wire and are formed, the stranding steel wire is formed by many steel wire stranding, the cross section of steel wire is flat structure.
As the preferred scheme of the utility model, the ratio of the thickness of steel wire and width is 0.60 ~ 0.80.
As the preferred scheme of the utility model, the width of the steel wire is 0.20 mm-0.45 mm.
As a preferable aspect of the present invention, the knitting angle of the first steel wire braid layer is 52.23 ° to 53.23 °, and the knitting angle of the second steel wire braid layer is 56.23 ° to 57.23 °.
As the preferred proposal of the utility model, the twisted steel wire is formed by 8 to 14 steel wires through twisting.
As the utility model discloses preferred scheme, the outer wall of interior glue film is equipped with the adhesive, the inner wall and the outer wall of well glue film all are equipped with the adhesive, the inner wall of outer glue film is equipped with the adhesive.
Implement the utility model discloses a hydraulic hose is woven to steel wire compares with prior art, has following beneficial effect:
the inner rubber layer in the utility model is 0.8 mm-1.2 mm, the smaller outer diameter of the enhancement layer can be ensured due to the thinner thickness of the inner rubber layer, and the pressure resistance of the steel wire woven hydraulic rubber pipe can be improved due to the inverse proportion of the burst pressure and the square of the outer diameter of the enhancement layer; the inner rubber layer is made of nitrile rubber and chlorosulfonated polyethylene and reinforced by N774 carbon black, and the nitrile rubber has good oil resistance, and the chlorosulfonated polyethylene has high strength, so that the inner rubber layer has high strength, good hydraulic oil resistance and good fatigue resistance by matching with the larger particle size and lower structural degree of the N774 carbon black; meanwhile, the first steel wire woven layer and the second steel wire woven layer are flat steel wires, so that the contact area of the steel wire staggered positions is large, the stress is small in the using process of the rubber hose, the fatigue resistance performance of the rubber hose is good, and the flat steel wires enable the bending resistance of the rubber hose to be small and the flexibility to be good; and the thickness of outer glue film sets up to 0.6mm ~ 1.0mm, because the thickness of outer glue film is thinner, when making the attach fitting, can not peel outer glue film, use the sleeve that conventional joint, the sleeve internal tooth can effectively compress outer glue film during the withholding, force the steel wire enhancement layer to warp, obtain reliable anti pull-out force, guarantee that the steel wire weaves the joint strength of hydraulic hose and joint, and the whole wall thickness that the hydraulic hose was woven to the steel wire is relatively thin, and use flat steel wire, can guarantee that minimum bend radius is little, be applicable to the occasion that installation space is little.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
FIG. 1 is a schematic structural view of a steel wire woven hydraulic hose provided by the present invention;
wherein, 1-inner glue layer; 2-a first steel wire braid layer; 3-middle glue layer; 4-a second steel wire braid layer; 5-outer glue layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1, the embodiment provides a steel wire woven hydraulic rubber hose, which includes an inner rubber layer 1, a reinforcing layer and an outer rubber layer 5 that are sequentially arranged from inside to outside, wherein the inner rubber layer 1 is a rubber compound made of nitrile rubber and chlorosulfonated polyethylene and filled with N774 carbon black, the reinforcing layer includes a first steel wire woven layer 2, a middle rubber layer 3 and a second steel wire woven layer 4 that are sequentially arranged from inside to outside, and the middle rubber layer 3 is arranged between the first steel wire woven layer 2 and the second steel wire woven layer 4 to avoid and buffer mutual friction between the first steel wire woven layer 2 and the second steel wire woven layer 4 under the repeated action of pulse pressure, improve the fatigue phenomenon of the rubber hose, and prolong the service life; the thickness of the inner rubber layer 1 is 0.8 mm-1.2 mm, the thickness of the middle rubber layer 3 is 0.20 mm-0.30 mm, the thickness of the outer rubber layer is 0.6 mm-1.0 mm, the first steel wire woven layer 2 and the second steel wire woven layer 4 are formed by weaving stranded steel wires, the stranded steel wires are formed by stranding a plurality of steel wires, and the cross sections of the steel wires are of flat structures.
Therefore, the inner rubber layer 1 in the utility model is 0.8 mm-1.2 mm, the thinner thickness of the inner rubber layer 1 can ensure the smaller outer diameter of the enhancement layer, and the pressure resistance of the steel wire woven hydraulic rubber pipe can be improved because the bursting pressure is inversely proportional to the square of the outer diameter of the enhancement layer; the inner rubber layer 1 is made of nitrile rubber and chlorosulfonated polyethylene and reinforced by N774 carbon black, and the nitrile rubber has good oil resistance, the chlorosulfonated polyethylene has high strength, and the inner rubber layer 1 has high strength, good hydraulic oil resistance and good fatigue resistance by matching with the larger particle size and lower structural degree of the N774 carbon black; meanwhile, the first steel wire weaving layer 2 and the second steel wire weaving layer 4 use flat steel wires, so that the contact area of the staggered part of the steel wires is larger, the stress is smaller in the use process of the rubber hose, the fatigue resistance performance of the rubber hose is better, and the flat steel wires enable the bending resistance of the rubber hose to be small and the flexibility to be good; and the thickness of outer glue film 5 sets up to 0.6mm ~ 1.0mm, because the thickness of outer glue film 5 is thinner, when making the assembly joint, can not peel outer glue film 5, use the sleeve that conventional joint, sleeve internal tooth can effectively compress outer glue film 5 during the withholding, force the steel wire enhancement layer to warp, obtain reliable anti-pulling-off force, guarantee that the steel wire weaves the joint strength of hydraulic hose and joint, and the whole wall thickness that the hydraulic hose was woven to the steel wire is relatively thin, and use flat steel wire, can guarantee that minimum bend radius is little, be applicable to the occasion that installation space is little.
Illustratively, the ratio of the thickness to the width of the steel wire is 0.60-0.80, the width of the steel wire is 0.20-0.45 mm, so that the contact area at the steel wire staggered position is in surface contact with a larger width, the stress of the rubber hose is smaller in the use process, the fatigue resistance is better, if a round steel wire is used, the contact area at the steel wire staggered position is in point contact, the steel wire is easy to break due to fatigue in the use process of the rubber hose, and the service life of the rubber hose is shorter. In addition, the steel wire woven hydraulic rubber hose using the flat steel wire has smaller bending resistance and better flexibility compared with the steel wire woven hydraulic rubber hose using the round steel wire.
Illustratively, the braiding angle of the first steel wire braided layer 2 is 52.23-53.23 degrees, the braiding angle of the second steel wire braided layer 4 is 56.23-57.23 degrees, the balance angle of the braided layer of the conventional hose is 54.73 degrees, but the reinforcing layer comprises two steel wire braided layers of a first steel wire braided layer 2 and a second steel wire braided layer 4, the stress of the steel wire when the first steel wire weaving layer 2 and the second steel wire weaving layer 4 are pressed needs to be balanced so as to exert the synergistic enhancement function of the two steel wire weaving layers to the maximum extent, the knitting angle of the first steel wire knitting layer 2 is 52.23-53.23 degrees, the knitting angle of the second steel wire knitting layer 4 is 56.23-57.23 degrees, when the steel wire knitting hydraulic rubber hose bears pressure, the first steel wire weaving layer 2 expands outwards, and the second steel wire weaving layer 4 contracts inwards, so that the stress of the steel wire weaving hydraulic rubber hose is better distributed, and the pressure resistance of the steel wire weaving hydraulic rubber hose is improved.
Illustratively, the stranded steel wire is formed by stranding 8 to 14 steel wires, and the number of the weaving spindles is 16 to 48, so that the strength of the first steel wire weaving layer 2 and the second steel wire weaving layer 4 can be increased, and the good flexibility of the steel wire weaving layer is ensured.
Illustratively, the outer wall of interior glue film 1 is equipped with the adhesive, the inner wall and the outer wall of well glue film 3 all are equipped with the adhesive, the inner wall of outer glue film 5 is equipped with the adhesive, when the hydraulic hose is woven to the steel wire heating vulcanization, enables each glue film and the surface of steel wire weaving layer closely to adhere, can bear the deformation of rubber tube deflection pulse condition under, avoids peeling off, layering.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, therefore, the invention is not limited thereto.
Claims (6)
1. The steel wire braided hydraulic rubber pipe is characterized by comprising an inner rubber layer, a reinforcing layer and an outer rubber layer which are sequentially arranged from inside to outside, wherein the inner rubber layer is a rubber compound made of nitrile rubber and chlorosulfonated polyethylene and is filled with N774 carbon black, the reinforcing layer comprises a first steel wire braided layer, a middle rubber layer and a second steel wire braided layer which are sequentially arranged from inside to outside, the thickness of the inner rubber layer is 0.8-1.2 mm, the thickness of the middle rubber layer is 0.20-0.30 mm, the thickness of the outer rubber layer is 0.6-1.0 mm, the first steel wire braided layer and the second steel wire braided layer are formed by braided stranded steel wires, the stranded steel wires are formed by stranding a plurality of steel wires, and the cross section of each steel wire is of a flat structure.
2. The wire-woven hydraulic hose according to claim 1, wherein the ratio of the thickness to the width of the wire is 0.60 to 0.80.
3. The wire-woven hydraulic hose according to claim 2, wherein the wire width is 0.20mm to 0.45 mm.
4. The wire-woven hydraulic hose according to claim 1, wherein the first wire-woven layer has a weaving angle of 52.23 ° to 53.23 °, and the second wire-woven layer has a weaving angle of 56.23 ° to 57.23 °.
5. The wire-braided hydraulic hose of claim 1, wherein said plied wires are plied with 8 to 14 wires.
6. The wire-woven hydraulic hose according to claim 1, wherein the outer wall of the inner rubber layer is provided with an adhesive, the inner wall and the outer wall of the middle rubber layer are both provided with an adhesive, and the inner wall of the outer rubber layer is provided with an adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921109326.2U CN211059529U (en) | 2019-07-15 | 2019-07-15 | Steel wire woven hydraulic rubber hose |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921109326.2U CN211059529U (en) | 2019-07-15 | 2019-07-15 | Steel wire woven hydraulic rubber hose |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211059529U true CN211059529U (en) | 2020-07-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921109326.2U Expired - Fee Related CN211059529U (en) | 2019-07-15 | 2019-07-15 | Steel wire woven hydraulic rubber hose |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211059529U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112303346A (en) * | 2020-10-30 | 2021-02-02 | 邓权塑业科技（湖南）有限公司 | Steel wire mesh reinforced composite pipe |
| CN112303345A (en) * | 2020-10-30 | 2021-02-02 | 邓权塑业科技（湖南）有限公司 | Multilayer steel wire mesh reinforced composite pipe |
| CN113263761A (en) * | 2021-04-23 | 2021-08-17 | 陕西科隆新材料科技股份有限公司 | Polytetrafluoroethylene hose assembly with conductivity and preparation method thereof |
| CN114183595A (en) * | 2021-12-10 | 2022-03-15 | 江西畅业液压科技有限公司 | Flat steel wire winding reinforcing hydraulic hose |
-
2019
- 2019-07-15 CN CN201921109326.2U patent/CN211059529U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112303346A (en) * | 2020-10-30 | 2021-02-02 | 邓权塑业科技（湖南）有限公司 | Steel wire mesh reinforced composite pipe |
| CN112303345A (en) * | 2020-10-30 | 2021-02-02 | 邓权塑业科技（湖南）有限公司 | Multilayer steel wire mesh reinforced composite pipe |
| CN113263761A (en) * | 2021-04-23 | 2021-08-17 | 陕西科隆新材料科技股份有限公司 | Polytetrafluoroethylene hose assembly with conductivity and preparation method thereof |
| CN114183595A (en) * | 2021-12-10 | 2022-03-15 | 江西畅业液压科技有限公司 | Flat steel wire winding reinforcing hydraulic hose |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200721 Termination date: 20210715 |
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| CF01 | Termination of patent right due to non-payment of annual fee |