CN203023710U - Wear-resisting elbow - Google Patents
Wear-resisting elbow Download PDFInfo
- Publication number
- CN203023710U CN203023710U CN2012206143452U CN201220614345U CN203023710U CN 203023710 U CN203023710 U CN 203023710U CN 2012206143452 U CN2012206143452 U CN 2012206143452U CN 201220614345 U CN201220614345 U CN 201220614345U CN 203023710 U CN203023710 U CN 203023710U
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- CN
- China
- Prior art keywords
- thickness
- bend pipe
- elastomer layer
- wear
- elbow
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
- F16L57/06—Protection of pipes or objects of similar shape against external or internal damage or wear against wear
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L43/00—Bends; Siphons
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The utility model discloses a wear-resisting elbow. The wear-resisting elbow comprises a body, and further comprises a macromolecule elastomer layer arranged in the body, wherein the thickness of the portion, located on the middle section of the elbow, of the macromolecule elastomer layer is 3-15mm. The thickness of the end portions of the elbow is 2-10mm. The wear-resisting elbow can be used for a pipeline which is used for concrete material conveying, and also can be used for a pipeline which is used for conveying of material containing grains in the industries of electric power, cement, metallurgy, steel and the like. Through the arrangement of the macromolecule elastomer layer in the body of the elbow, the wear-resisting performance of the elbow is improved, and the service life of the elbow is greatly improved. In addition, the wear-resisting elbow has the advantages of being strong in wear-resisting performance, not prone to falling off, impact-resistant, light in weight, convenient to replace, simple in structure, convenient to manufacture, low in cost, and reliable in performance.
Description
Technical field
The utility model relates to a kind of elbow of pipeline, particularly relates to a kind of abrasion-proof bent tube.
Background technique
Pipeline for delivery of various media, is the important component part in building and machinery.Bend pipe is an important component part of pipeline, is also to be hit in pipeline and the most serious position that rubs, and is one of parts that the most easily wear and tear.
For example, in the modern architecture industry, concrete mixer is widely used, and it drags pump line, and the pumping vehicle arm rack pipe washes away lower serious wear at the high pressure of rubble, concrete mortar, changes frequently, causes operating cost high.In the concrete mixer pipeline, bend pipe is hit and rubs the most serious, belongs to one of parts that pump truck the most easily weares and teares.
In the prior art, bend pipe is all take steel as main metal, and wear resisting cast iron is also arranged.In order to improve the wear-resisting property of bend pipe, taked the multiple technologies scheme in prior art.
Chinese patent literature CN201973399U discloses a kind of interior cast wear-resistant elbow.According to this patent documentation, bend pipe is integral by combining closely inside and outside protective layer and wearing layer, is combined with wearing layer on the inwall of protective layer, and protective layer prevents the elbow explosion, plays the safety protection effect, and wearing layer improves abrasion resistance properties, extends elbow working life.
Chinese patent literature CN201221657Y discloses a kind of jib composite abrasion-proof elbow of concrete pump vehicle.Install the technological scheme of anti-wearing liner in this patent documentation outside the bend of employing in the jib bend pipe additional.
Chinese patent literature CN201014117Y discloses a kind of Split joint type ceramic wear resistant bend ".Wherein, be provided with ceramic-linedly in the seamless steel pipe body interior, ceramic-linedly be spliced by a plurality of wear resistant ceramic chips, be filled with the agent of high temperature resistant inorganic gluing between body and wear resistant ceramic chip liner.
Above-mentioned prior art scheme is all to improve the wear-resisting property of bend pipe with the high hardness rigid material.Although thereby described bend pipe wear-resisting property obtains certain raising, at aspect or Shortcomings such as withstand shock and overall weight.Wish a kind of new abrasion-proof bent tube for this reason.
The model utility content
For this reason, the purpose of this utility model is to provide the defective that a kind of novel abrasion-proof bent tube overcomes or alleviate at least the prior art abrasion-proof bent tube.
For achieving the above object, the utility model provides a kind of abrasion-proof bent tube, described abrasion-proof bent tube comprises body, and further comprise and be arranged on described intrinsic macromolecular elastomer layer, the thickness of the thickness of described macromolecular elastomer layer in the middle section of described bend pipe is the 3-15 millimeter, and the thickness in described bend pipe end is the 2-10 millimeter.Described body can be adopted and be made of a steel, and also can adopt other suitable materials to make.The material of described macromolecular elastomer layer is for example polyurethane.
Preferably, described macromolecular elastomer layer adopts pouring type to be arranged in described body.
Preferably, described macromolecular elastomer layer is bonded in described body in the liner mode after moulding.
Preferably, the cross section of described macromolecular elastomer layer at the thickness of outside greater than the thickness at the place, inboard.When fluid flows in bend pipe, the main impact on the outer side wall of macromolecular elastomer layer inner wall tube, (outer side wall herein refers to a side outer on the cross section inner ring, be the larger side of Fluid Flow in A distance), and the flow velocity outside bend pipe is greater than the flow velocity of inboard, so serious wear outside the bend pipe in bend pipe.Thereby the bend pipe elastomer liner of this patent can possess eccentric characteristics, and the inside liner impact resistance with thicker outer wall is stronger, and namely the maximum outer segment thickness of wearing and tearing is large in bend pipe, week upwards has thickness gradient in the bend pipe cross section.
Preferably, the thickness of the cross section of described macromolecular elastomer layer in the outside seamlessly transits to the thickness at the place, inboard.
Preferably, the thickness of described macromolecular elastomer layer is from the middle section of described bend pipe to the two ends attenuation gradually of described bend pipe.
Preferably, the thickness of the thickness of described macromolecular elastomer layer in the middle section of described bend pipe is 8 millimeters, and the thickness in described bend pipe end is 6 millimeters.
According to another embodiment of the present utility model, described macromolecular elastomer layer at the thickness at an end place of described bend pipe less than the thickness at the other end place of described bend pipe.
Preferably, the thickness of described macromolecular elastomer layer is the 3-15 millimeter at the thickness at a described end place, and the thickness at described the other end place is the 2-10 millimeter.
Preferably, the thickness of described macromolecular elastomer layer is 8 millimeters at the thickness at a described end place, and the thickness at described the other end place is 6 millimeters.
Abrasion-proof bent tube purposes of the present utility model is very extensive.Can be used for the pipeline that concrete materials is carried, also can be used for the industries conveyings such as electric power, cement, metallurgy, iron and steel and contain in the pipeline of granule materials.By the macromolecular elastomer lining is set in the body of bend pipe, improved the wear-resisting property of bend pipe, greatly promoted the working life of bend pipe.Also have in addition by force wear-resisting, do not come off, shock resistance, quality be light, change easily characteristics and simple in structure, easily manufactured, cost is lower, reliable performance.
Description of drawings
Fig. 1 is the structural representation according to the utility model one embodiment's bend pipe.
Fig. 2 is the cross-sectional schematic along A-A line in Fig. 1.
Reference character:
1. seamless steel pipe 2. polyurethane inside liners
Embodiment
For purpose, technological scheme and advantage that the utility model is implemented is clearer, below in conjunction with the accompanying drawing in the utility model embodiment, the technological scheme in the utility model embodiment is further described in more detail.In the accompanying drawings, identical from start to finish
Or similarly label represents same or similar element or the element with identical or similar functions.Described embodiment is the utility model part embodiment, rather than whole embodiments.Be exemplary below by the embodiment who is described with reference to the drawings, be intended to for explanation the utility model, and can not be interpreted as restriction of the present utility model.Based on the embodiment in the utility model; those of ordinary skills are not making the every other embodiment who obtains under the creative work prerequisite, and the scope that all belongs to the utility model protection is elaborated to embodiment of the present utility model below in conjunction with accompanying drawing.
in description of the present utility model, it will be appreciated that, term " " center ", " vertically ", " laterally ", " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of indications such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as the restriction to the utility model protection domain.
Comprise body according to abrasion-proof bent tube of the present utility model, and further comprise and be arranged on described intrinsic macromolecular elastomer layer.
Fig. 1 is the structural representation according to the utility model one embodiment's bend pipe.Fig. 2 is the cross-sectional schematic along A-A line in Fig. 1.
As shown in Figure 1, abrasion-proof bent tube comprises outside seamless steel pipe 1, and is arranged on the polyurethane inside liner 2 within seamless steel pipe 1.
Body shown in figure is seamless steel pipe, but also can make by other suitable materials.The material that is arranged on inboard macromolecular elastomer layer also is not limited to polyurethane, as long as it has good elasticity and wear resistance preferably.
The angle that curves of the abrasion-proof bent tube shown in figure is 90 degree.But, according to the needs of actual use condition, also can be less than 90 degree or greater than 90 degree.In addition, according to the needs of actual use condition, can connecting thread be set at the place, two ends of bend pipe, also connecting thread can be set.
The cross section that described bend pipe is shown in the drawings is for circular, but the cross section of the utility model bend pipe can be also other shapes, for example square, oval, taper etc.
Described macromolecular elastomer layer can adopt pouring type to be arranged in described body.Described macromolecular elastomer layer also can be bonded in described body in the liner mode after moulding.
According to a preferred embodiment, described macromolecular elastomer layer at the thickness at place, the two ends of described bend pipe less than the thickness in the middle section of described bend pipe.The thickness of described macromolecular elastomer layer is from the middle section of described bend pipe to the two ends attenuation gradually of described bend pipe.Preferably, the thickness of the thickness of described macromolecular elastomer layer in the middle section of described bend pipe is the 3-15 millimeter, and the thickness in described bend pipe end is the 2-10 millimeter.For example, the thickness of the thickness of described macromolecular elastomer layer in the middle section of described bend pipe is 8 millimeters, and the thickness in described bend pipe end is 6 millimeters.
According to another embodiment, the cross section of described macromolecular elastomer layer at the thickness of outside greater than the thickness at the place, inboard.Advantageously, the thickness of the cross section of described macromolecular elastomer layer in the outside seamlessly transits to the thickness at the place, inboard.When fluid flows in bend pipe, the main impact on the outside of macromolecular elastomer layer inner wall tube, (outside herein refers to a side outer on the cross section inner ring, be the larger side of Fluid Flow in A distance), and at the flow velocity in the bend pipe outside flow velocity greater than the inboard, so the bend pipe outer part serious wear in bend pipe.Thereby the bend pipe elastomer liner of this patent can possess eccentric characteristics, and the inside liner impact resistance with thicker outer wall is stronger, and namely the maximum outer segment thickness of wearing and tearing is large in bend pipe, week upwards has thickness gradient in the bend pipe cross section.
According to an embodiment more of the present utility model, described macromolecular elastomer layer at the thickness at an end place of described bend pipe less than the thickness at the other end place of described bend pipe.Preferably, the thickness of described macromolecular elastomer layer is the 3-15 millimeter at the thickness at a described end place, and the thickness at described the other end place is the 2-10 millimeter.For example, the thickness of described macromolecular elastomer layer is 8 millimeters at the thickness at a described end place, and the thickness at described the other end place is 6 millimeters.
Abrasion-proof bent tube purposes of the present utility model is very extensive.Can be used for the pipeline that concrete materials is carried, also can be used for the industries conveyings such as electric power, cement, metallurgy, iron and steel and contain in the pipeline of granule materials.
Abrasion-proof bent tube of the present utility model has improved the wear-resisting property of bend pipe by the macromolecular elastomer lining is set in the body of bend pipe, greatly promoted the working life of bend pipe.Also have in addition by force wear-resisting, do not come off, shock resistance, quality be light, change easily characteristics and simple in structure, easily manufactured, cost is lower, reliable performance.
It is to be noted at last: above embodiment only in order to the technical solution of the utility model to be described, is not intended to limit.Although with reference to previous embodiment, the utility model is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be modified to the technological scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characteristics wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment's technological scheme of the utility model.
Claims (7)
1. abrasion-proof bent tube, comprise body, it is characterized in that, further comprise being arranged on described intrinsic macromolecular elastomer layer, the thickness of the thickness of described macromolecular elastomer layer in the middle section of described bend pipe is the 3-15 millimeter, and the thickness in described bend pipe end is the 2-10 millimeter.
2. abrasion-proof bent tube as claimed in claim 1, is characterized in that, the material of described macromolecular elastomer layer is polyurethane.
3. abrasion-proof bent tube as claimed in claim 1, is characterized in that, described macromolecular elastomer layer adopts pouring type to be arranged in described body; Perhaps be bonded in described body in the liner mode after moulding.
4. abrasion-proof bent tube as described in any one in claim 1-3, is characterized in that, the cross section of described macromolecular elastomer layer at the thickness of outside greater than the thickness at the place, inboard.
5. abrasion-proof bent tube as claimed in claim 4, is characterized in that, the thickness of the cross section of described macromolecular elastomer layer in the outside seamlessly transits to the thickness at described inboard place.
6. abrasion-proof bent tube as claimed in claim 5, is characterized in that, the thickness of described macromolecular elastomer layer is from the middle section of described bend pipe to the two ends attenuation gradually of described bend pipe.
7. abrasion-proof bent tube as claimed in claim 1, is characterized in that, the thickness of the thickness of described macromolecular elastomer layer in the middle section of described bend pipe is 8 millimeters, and the thickness in described bend pipe end is 6 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206143452U CN203023710U (en) | 2012-11-20 | 2012-11-20 | Wear-resisting elbow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206143452U CN203023710U (en) | 2012-11-20 | 2012-11-20 | Wear-resisting elbow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203023710U true CN203023710U (en) | 2013-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206143452U Expired - Fee Related CN203023710U (en) | 2012-11-20 | 2012-11-20 | Wear-resisting elbow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203023710U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106513582A (en) * | 2016-12-31 | 2017-03-22 | 马鞍山市海天重工科技发展有限公司 | Gating system for semi-curved pipe |
| CN106513589A (en) * | 2016-12-31 | 2017-03-22 | 马鞍山市海天重工科技发展有限公司 | Manufacture method of half-bent pipes |
| CN106838483A (en) * | 2017-02-15 | 2017-06-13 | 程青坡 | A kind of novel wear resistant compound pipeline complex pipeline and its manufacture and installation method |
| US10428994B2 (en) | 2015-08-08 | 2019-10-01 | Zhaohui Zhou | Auto-fill two-layer two-half wear resistant elbow of concrete pump truck and manufacturing method thereof |
| CN112797258A (en) * | 2021-02-21 | 2021-05-14 | 西南石油大学 | Natural gas pipeline protection device |
| CN113108161A (en) * | 2021-03-30 | 2021-07-13 | 湖南三一中阳机械有限公司 | Method for manufacturing wear-resistant lining in metal pipe and metal pipe |
-
2012
- 2012-11-20 CN CN2012206143452U patent/CN203023710U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10428994B2 (en) | 2015-08-08 | 2019-10-01 | Zhaohui Zhou | Auto-fill two-layer two-half wear resistant elbow of concrete pump truck and manufacturing method thereof |
| CN106513582A (en) * | 2016-12-31 | 2017-03-22 | 马鞍山市海天重工科技发展有限公司 | Gating system for semi-curved pipe |
| CN106513589A (en) * | 2016-12-31 | 2017-03-22 | 马鞍山市海天重工科技发展有限公司 | Manufacture method of half-bent pipes |
| CN106513589B (en) * | 2016-12-31 | 2018-01-05 | 马鞍山市海天重工科技发展有限公司 | A kind of manufacture method of half bend pipe |
| CN106513582B (en) * | 2016-12-31 | 2018-01-12 | 马鞍山市海天重工科技发展有限公司 | A kind of running gate system of half bend pipe |
| CN106838483A (en) * | 2017-02-15 | 2017-06-13 | 程青坡 | A kind of novel wear resistant compound pipeline complex pipeline and its manufacture and installation method |
| CN112797258A (en) * | 2021-02-21 | 2021-05-14 | 西南石油大学 | Natural gas pipeline protection device |
| CN113108161A (en) * | 2021-03-30 | 2021-07-13 | 湖南三一中阳机械有限公司 | Method for manufacturing wear-resistant lining in metal pipe and metal pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130626 Termination date: 20171120 |