CN206600533U - A kind of double-deck straight tube of heterogeneous segmented high abrasion for concrete conveyance - Google Patents
A kind of double-deck straight tube of heterogeneous segmented high abrasion for concrete conveyance Download PDFInfo
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- CN206600533U CN206600533U CN201720275791.8U CN201720275791U CN206600533U CN 206600533 U CN206600533 U CN 206600533U CN 201720275791 U CN201720275791 U CN 201720275791U CN 206600533 U CN206600533 U CN 206600533U
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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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Abstract
The utility model discloses a kind of double-deck straight tube of heterogeneous segmented high abrasion for concrete conveyance, the double-deck straight tube includes：The heterogeneous wear-resisting inner tube (3) of protection outer tube (1), segmented; the protection outer tube (1) is nested on the outside of the heterogeneous wear-resisting inner tube (3) of the segmented; the heterogeneous wear-resisting inner tube (3) of segmented includes at least two sections wear-resisting interior pipeline sections, and the wear-resisting interior pipeline section is connected in order each other.The heterogeneous wear-resisting inner tube (3) of segmented at least includes pipeline section (3 2) in left part, pipeline section (3 3) in pipeline section (3 4) and one or more middle parts in right part.Wear-resisting straight tube of the present utility model can greatly prolong the service life of pipeline, the cost performance of pipeline is improved more than several times；Also easily realize and produce in enormous quantities, steady quality is reliable, security performance is high.
Description
Technical field
The utility model is related to a kind of Wear-resistant double-layered straight tube structure for trandfer fluid state material, particularly a kind of to use
In the double-deck straight tube of the heterogeneous segmented high abrasion of concrete conveyance.
Background technology
Abrasion-proof pipe is conveyed throughout industries such as electric power, metallurgy, coal, oil, chemical industry, building materials, machineries, works as wear-resistant pipe
When the big material of grindability is conveyed in road (such as lime-ash, coal dust, tantalite power), all asking in the presence of abrasion-proof pipe quick abrasion
, when gas of the conveying with strong corrosion, liquid or solid in abrasion-proof pipe, there is abrasion-proof pipe and be corroded and break quickly in topic
Bad the problem of；When conveying has the material of higher temperature in abrasion-proof pipe, exist sufficiently expensive using heat resisting pipe price
The problem of；And the filling in mine material, tantalite power and mine tailing that abrasion resistant composite pipeline is widely used in serious wear are transported, coal fired thermal power plant
The abrasion resistant composite pipelines such as powder feeding, slagging-off, defeated ash are also most suitable.
Country's concrete mixer Wear-resistant double-layered straight tube is mainly following several now：1. general material, single material, are such as adopted
With the straight tube of common Welded tube production, it can just be completed by simple welding production, although have any intensity and toughness, still
Because its wearability is poor, service life is 5000-8000 cubes or so, is changed often, so as to have impact on operating efficiency, increase
Process cost, through eliminating substantially；2. inwall quenching heat treatment is passed through using seamless steel steel pipe or steel alloy welded tube, to increase
Plus its anti-wear performance, present quenching pipe can improve to 20,000 to 2.5 ten thousand cubes or so of delivering concrete amount, with economic and practical
Market has been arrived widely to utilize；3. quoting two-layer compound straight tube, inner tube material is through hardening steel alloy, and outer tube material is low-carbon alloy
Steel, two ends, which have, is inlaid with wear-resistant sleeve in adpting flange, flange, shelf life is about at 40,000 to 4.5 ten thousand cubes or so, but this kind
There is following defect in two-layer compound straight tube：The composite force of outer tube and inner tube is weaker, occurs in pumping procedure after plugging, operator
General take of member takes discharge end apart, and comb is carried out by pump concrete or water, but inner tube is easily rushed in the process
Go out.
At present, in Chinese patent CN105003758A, a kind of automobile-used high alloy wear-resistance two-layer compound of concrete pump is disclosed
Straight tube, it includes outer tube, inner tube and vibration-absorptive material, and said inner tube is urged in outer tube, is provided between the outer tube and inner tube
Vibration-absorptive material, the material that the vibration-absorptive material is used is EVA, PE, CR, PU foam, PORON one or more；The composite straight
Pipe increased than former concrete mixer straight tube wearability, but if considering the influence of actual manufacturing condition (in longer
Pipe is difficult production in casting and cost is higher), while can be longer due to inner tube, it be able to may also be caused when being urged in outer tube
The damage of inner tube is even damaged；It is also contemplated that vibration-absorptive material bears situation in high intensity environment.
At present, in Chinese patent CN202302357U, a kind of wear-resisting ceramic composite straight pipe is disclosed, including by wear-resistant ceramic
The body that layer, glue bonding layer and metallic base layer are constituted from inside to outside, by gluing between wear-resistant ceramic layer and metallic base layer
Tie layer connection, it is characterised in that：The head and the tail two ends of metallic base layer do not have wear-resistant ceramic layer covering；The straight tube equally exists reality
The influence (ceramic layer in the longer inner tube complex operation when bonding, it is difficult to produce) of manufacturing condition.
At present, in Chinese patent CN202452011U, a kind of straight tube and concrete conveying equipment are disclosed；The straight tube includes
Composite straight pipe and the first flange and second flange for being connected to the composite straight pipe mouth of pipe, composite straight pipe include outer tube and inner tube；First
Flange has been embedded in the first wear-resistant sleeve, and second flange has been embedded in the second wear-resistant sleeve；A recess is provided with the inside of second flange,
A boss that can be engaged with recess is provided with the inside of second wear-resistant sleeve, and composite straight pipe end compresses the boss, makes convex
Platform is fixed in recess；Though in this straight tube propose by it is mechanical interlocked prevent anti-wearing liner come off and inner tube is gone out, due to
It is direct contact between outer tube and inner tube, there can be both mutual impacts in high intensity environment, pipe is caused to damage.
Utility model content
The purpose of this utility model is in order to overcome above-mentioned problem, by the way that the inner tube of Wear-resistant double-layered straight tube is designed
The problem of multisection type solves the compound hardly possible of Wear-resistant double-layered straight tube different materials, composite cost is high, to solve wear-resisting inner tube by technique bar
The problem of part is limited and to solve the problem of abrasion of Wear-resistant double-layered straight tube is uneven high there is provided a kind of heterogeneous segmented of concrete mixer
Wear-resistant double-layered straight tube.
The utility model, which is adopted the following technical scheme that, realizes its purpose：
A kind of double-deck straight tube of heterogeneous segmented high abrasion for concrete conveyance, it is characterised in that the double-deck straight tube
Including：The heterogeneous wear-resisting inner tube of protection outer tube, segmented, the protection outer tube is nested in outside the heterogeneous wear-resisting inner tube of the segmented
Side, the heterogeneous wear-resisting inner tube of segmented includes at least two sections wear-resisting interior pipeline sections, and the wear-resisting interior pipeline section is connected in order each other.
In another preferred implementation, the heterogeneous wear-resisting inner tube of segmented at least includes pipeline section, the right side in left part
Pipeline section in pipeline section and one or more middle parts in end, at least one of three kinds of wear-resisting inner tubes material of inner tube and other inner tubes
The anti-wear performance of at least one in the difference of material, the left part in pipeline section and right part in pipeline section is better than in the middle part
Pipeline section.
In another preferred implementation, adjacent inner tube section joint has filling channel, and the double-deck straight tube is also wrapped
Damping filled cavity is included, the damping filled cavity is to be formed between the two after protection outer tube is installed with the heterogeneous wear-resisting inner tube of segmented
Press from both sides dummy section.
In another preferred implementation, the double-deck straight tube also includes damping packed layer, and the damping packed layer is filled out
Fill in the damping filled cavity.
In another preferred implementation, the double-deck straight tube also includes wear-resisting adpting flange, the wear-resisting connection method
Orchid is arranged at the two ends for the nested bimetallic tube that the protection outer tube is constituted with the heterogeneous wear-resisting inner tube of the segmented.
In another preferred implementation, the protection outer tube is welded still pipe, and the welded still pipe is along y direction
Weld together.
In another preferred implementation, the wear-resisting adpting flange is internally provided with wear-resistant sleeve.
In another preferred implementation, have inside the wear-resisting flange outside wedge-shaped faying face, the wear-resistant sleeve
Surface has the wedge-shaped faying face matched with the wedge-shaped faying face inside the wear-resisting flange, and the wear-resistant sleeve passes through two wedge shapes
Faying face fixes the wear-resistant sleeve.
Described protection outer tube can be seamless steel pipe.
The utility model in order to protect the heterogeneous wear-resisting inner tube of segmented will not during straight tube transportation, installation and use by
External force collision, impact deformation, and caused deformation by materials inside impulsive force or even damage, provided with protection outer tube, protection
Outer tube is welded still pipe；There is a weld seam thereon；Weld seam is located at protection outer tube outer surface；Protection outer tube by low-alloy steel or in it is low
Carbon steel material is made.
The utility model is in order to the problem of solving to be influenceed by casting length condition in casting process and in order to increase entirety
Service life and the reduction wearing layer cost of raw material, using the heterogeneous wear-resisting inner tube of segmented；The heterogeneous wear-resisting inner tube of segmented is by filling out
Passage, the wear-resisting inner tube in left part, the wear-resisting inner tube of the wear-resisting inner tube in middle part and right part is filled to constitute；The wear-resisting inner tube in middle part is one or one
It is more than root；In the wear-resisting inner tube in left part and the wear-resisting inner tube in middle part, the wear-resisting inner tube of the wear-resisting inner tube in right part and middle part or adjacent two
Filling channel is provided between the wear-resisting inner tube in portion；The wear-resisting inner tube in left part, the wear-resisting inner tube of the wear-resisting inner tube in middle part and right part respectively by
Rich chromium cast iron, medium chrome cast iron, low-chromium cast-iron, wear resistant cast iron, ceramics, hard alloy, bearing steel, steel alloy, high polymer material etc.
A kind of high-abrasive material in high-abrasive material is made；The heterogeneous wear-resisting inner tube of segmented is by the wear-resisting inner tube in left part, the wear-resisting inner tube in middle part
The composite tube being combined into the wear-resisting inner tube in right part, it is described it is heterogeneous refer between different wear-resisting pipeline sections being unlike material, its is good
Locate to be that the small place of impulsive force and the big place of impulsive force need not use equivalent material, saved the cost of material in manufacture；
During wherein at least one high-abrasive material anti-wear performance used of the wear-resisting inner tube in left part and the wear-resisting inner tube in right part is more than or equal to
Whether identical the use material of the wear-resisting inner tube in portion, the wear-resisting inner tube in left part is with the wear-resisting inner tube in the right part material used.
The utility model is in order to realize that Wear-resistant double-layered straight tube is easy to the function with the smooth connection of other parts, provided with wear-resisting company
Acting flange；It is made up of flange with wear-resistant sleeve；Wear-resistant sleeve is arranged on inside flange.
In one implementation, Wear-resistant double-layered straight tube is applied to the field that concrete mixer or other delivering concretes are starched
Institute, damping filled cavity to damping packed layer without filling damping, close material in advance, and left part is wear-resisting under pumping pressure effect
Inner tube, the wear-resisting inner tube junction split extension formation filling channel of the wear-resisting inner tube in middle part and right part, make concrete pass through filling
Passage is filled automatically to damping filled cavity.Preferably, damping filled cavity fills vibration-absorptive material in advance, and we are referred to as damping and filled out
Fill layer.The damping packed layer can also further fill fixation by concrete.
Preferably, described filling channel is the wear-resisting inner tube in left part, the wear-resisting inner tube peace of the wear-resisting inner tube in middle part and right part
The preset slot formed after dress, its width control system is within 0.8mm.
Preferably, filling channel 3-1 is chosen for 0.5mm.
Damping filled cavity is that the heterogeneous wear-resisting inner tube of segmented is arranged on what protection outer tube was internally formed, and ultimate range control exists
Within 3mm；Preferably, the control of the ultimate range of damping filled cavity 4 is in 1--2mm, and ultimate range here refers to outer tube wall
The thickness of the packed layer formed between inner tube.
As a result of above technical scheme, the utility model preferably realizes its purpose, segmentation of the present utility model
Although formula high abrasion bilayer straight tube is mainly used in concrete conveyance, but be not excluded for its can be used for electric power, metallurgy, coal, oil,
The conveying connection straight tube structure of the industry trandfer fluid state material such as chemical industry, building materials, machinery.The utility model designs wearing layer
It is connected structure for multisection type, both eliminated wear-resisting inner tube is influenceed in casting process by casting length condition, can be given again
The installation of wear-resisting inner tube brings many facilities, while the service life of straight tube is nor affected on, particularly heterogeneous design, by setting
The end pipe of more preferably anti-wear performance is put, the problem of solving easy to wear at straight tube import；The wear-resisting adpting flange of design is easy to straight tube
Installed with the connection of other equipment, the wear-resistant sleeve inside wear-resisting adpting flange ensure that the wearability at connector end, extend it is resistance to
Grind the service life of adpting flange and improve its sealing；The heterogeneous wear-resisting inner tube of segmented can be cast using rich chromium cast iron, middle chromium
The high-abrasive materials such as iron, low-chromium cast-iron, wear resistant cast iron, ceramics, hard alloy, bearing steel, steel alloy, high polymer material, protection is outer
Pipe is using materials such as low-alloy steel or middle low carbon steels；Wear-resisting straight tube is being used first when damping filled cavity is used for Concrete Industry
When, concrete grout enters damping filled cavity by filling channel so that concrete grout dense packing effect passage and damping filled cavity, interior
The hardening of outer tube unity is integral, and friction consumption will not be produced each other, when applying in other industries such as metallurgy, coals, should be prior
To damping filled cavity filling damping, close material, damping, close material can using eps foam, compound pearl cotton (EPE),
EPP etc.；So design at least may be such that straight tube overall wear resistance improves 8-10 times, and service life is long, and price is low, and cost performance is improved
More than several times；Also easily realize and produce in enormous quantities, steady quality is reliable, security performance is high.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the double-deck straight tube of segmented high abrasion of the present utility model.
Fig. 2 is the diagrammatic cross-section of the double-deck straight tube of the utility model.
Fig. 3 is the structural representation of protection outer tube 1 in Fig. 1.
Fig. 4 is the structural representation of the heterogeneous wear-resisting inner tube 3 of segmented in Fig. 1.
Fig. 5 is the cross-sectional view of the heterogeneous wear-resisting inner tube 3 of segmented in Fig. 1.
Fig. 6 is the cross-sectional view of wear-resisting adpting flange 2.
Fig. 7 is the cross-sectional structure schematic diagram of wear-resisting straight tube of the present utility model.
Reference：
| Reference numerals | Mark title | Reference numerals | Mark title |
| 1 | Protection outer tube 1 | 3-1 | Filling channel 3-1 |
| 1-1 | Weld seam 1-1 | 3-2 | The wear-resisting inner tube 3-2 in left part |
| 2 | Wear-resisting adpting flange 2 | 3-3 | The wear-resisting inner tube 3-3 in middle part |
| 2-1 | Flange 2-1 | 3-4 | The wear-resisting inner tube 3-4 in right part |
| 2-2 | Wear-resistant sleeve 2-2 | 4 | Damping filled cavity 4 |
| 3 | The heterogeneous wear-resisting inner tube 3 of segmented |
Embodiment
The utility model is described in detail below in conjunction with drawings and Examples, but therefore will be not of the present utility model
Protection domain is limited among the scope of embodiment description.
Embodiment 1：
As shown in figure 1, the double-deck straight tube of the heterogeneous segmented high abrasion of the concrete mixer of the present embodiment is by protection outer tube 1, resistance to
Mill adpting flange 2, segmented heterogeneous wear-resisting inner tube 3 and damping filled cavity 4 are constituted, in the present embodiment, and protection outer tube 1 is welding
Steel pipe, there is a weld seam 1-1 thereon；The heterogeneous wear-resisting inner tube 3 of segmented is by filling channel 3-1, the wear-resisting inner tube 3- in left part
2nd, the wear-resisting inner tube 3-3 in middle part and the wear-resisting inner tube 3-4 in right part are constituted；The heterogeneous wear-resisting inner tube 3 of segmented is arranged in protection outer tube 1
Portion, wear-resisting adpting flange 2, which designs to be packaged by welding at the two ends of protection outer tube 1, the heterogeneous wear-resisting inner tube 3 of segmented, to be added
Gu, damping filled cavity 4 is the folder dead level formed between the two after protection outer tube 1 is installed with the heterogeneous wear-resisting inner tube 3 of segmented.
Protection outer tube 1 can also be seamless steel pipe.
The utility model protects the heterogeneous wear-resisting inner tube 3 of segmented will not be in straight tube transportation, installation and use to realize
Collided in journey by external force, impact deformation, and caused deformation or even the function of damaging by materials inside impulsive force, provided with guarantor
Outer tube 1 is protected, protection outer tube 1 is welded still pipe；There is a weld seam 1-1 thereon；Weld seam 1-1 is located at the outer surface of protection outer tube 1；Protection
Outer tube 1 is made up of low-alloy steel or middle low carbon steel material.
Protection outer tube 1 described in the utility model refers to：The outside protective pipe of Wear-resistant double-layered straight tube, by low-alloy steel or in it is low
The straight tube that the materials such as carbon steel are made；It is to protect the wearing layer of straight tube internal layer will not be in straight tube transportation, installation and use that it, which is acted on,
Collided in journey by external force, impact deformed damaged, and caused deformation by materials inside impulsive force or even damage；Its structure is such as
Shown in accompanying drawing 3.
Wear-resisting adpting flange 2 described in the utility model refers to：Adpting flange installed in the two ends of protection outer tube 1；Its by
Flange 2-1 and wear-resistant sleeve 2-2 is constituted；It acts on the connection installation for being easy for straight tube and the wearability for ensureing mouth end.
The heterogeneous wear-resisting inner tube 3 of segmented described in the utility model refers to：The interior wear-resisting combination straight tube of wear-resisting straight tube, its material
Material is from rich chromium cast iron, medium chrome cast iron, low-chromium cast-iron, wear resistant cast iron, ceramics, hard alloy, bearing steel, steel alloy, macromolecule
The high-abrasive materials such as material；It is wear-resisting by filling channel 3-1, the wear-resisting inner tube 3-2 in left part, the wear-resisting inner tube 3-3 in middle part and right part
Inner tube 3-4 is constituted；It is the problem of solving to be influenceed by casting length condition in casting process and increase most easily-worn position that it, which is acted on,
Wearability and reduce the wearing layer cost of raw material；Its structure is as shown in Figure 4.In the present embodiment, the wear-resisting inner tube 3-3 in middle part
Number be one.
Damping filled cavity 4 described in the utility model refers to：After protection outer tube 1 is installed with the heterogeneous wear-resisting inner tube 3 of segmented
The folder dead level formed between the two；It is filling damping, close material that it, which is acted on, and vibration-absorptive material can be pre-charged with, can also be
During concrete pumping, by Concrete Filled or on the basis of being pre-charged with, further filled by concrete.
Embodiment 2：
As shown in figure 5, in the present embodiment, the agent structure of straight tube is same as Example 1.Simply segmented is heterogeneous wear-resisting
Inner tube 3 is made up of filling channel 3-1, the wear-resisting inner tube 3-2 in left part, the wear-resisting inner tube 3-3 in middle part and the wear-resisting inner tube 3-4 in right part；
The wear-resisting inner tube 3-3 in middle part is two or more than two；Between the wear-resisting inner tube 3-2 in left part and the wear-resisting inner tube 3-3 in middle part, right-hand member
Filling channel 3- is provided between the wear-resisting inner tube 3-4 in portion and the wear-resisting inner tube 3-3 in middle part or between the wear-resisting inner tube 3-3 in two neighboring middle part
1 (filling channel can also be respectively provided with)；The wear-resisting inner tube 3-2 in left part, the wear-resisting inner tube 3-3 in middle part and the wear-resisting inner tube 3-4 in right part
Respectively by rich chromium cast iron, medium chrome cast iron, low-chromium cast-iron, wear resistant cast iron, ceramics, hard alloy, bearing steel, steel alloy, macromolecule
A kind of high-abrasive material in the high-abrasive materials such as material is made；Three kinds of inner tubes in the heterogeneous wear-resisting inner tube 3 of segmented are heterogeneous pipe,
That is, the material of wherein at least one inner tube and other inner tube unlike materials；Wherein the wear-resisting inner tube 3-2 in left part and right part are wear-resisting
Inner tube 3-4 at least one using high-abrasive material anti-wear performance be more than or equal to the wear-resisting inner tube 3-3 in middle part use material, left end
Whether identical the wear-resisting inner tube 3-2 in portion is with the wear-resisting inner tube 3-4 in the right part materials used.
Filling channel 3-1 of the present utility model refers to：The preset slot that adjacent two sections of wear-resisting inner tubes are formed after installing, it is acted on
It is to realize the reduction of wear-resistant pipe difficulty of processing and realize to outer layer protection bend pipe 1 and the heterogeneous wear-resisting intermediate region of inner tube 3 of segmented
The activity of reserved damping filled cavity 4 is filled certainly.It can be pre-charged with, then be mended again by concrete in damping filled cavity 4
Filling is filled.
The wear-resisting inner tube 3-2 in left part described in the utility model refers to：The left end of the heterogeneous wear-resisting inner tube 3 of segmented is wear-resisting
Pipe；Its effect is the service life for the wearability and increase import and export position most easy to wear for increasing import and export position most easy to wear.
The wear-resisting inner tube 3-3 in middle part described in the utility model refers to：The middle part wear-resistant pipe of the heterogeneous wear-resisting inner tube 3 of segmented；
It acts on the assembling installation for being easy for wear-resisting inner tube and ensures that inner tube possesses certain wearability.
The wear-resisting inner tube 3-4 in right part described in the utility model refers to：The right-hand member of the heterogeneous wear-resisting inner tube 3 of segmented is wear-resisting
Pipe；Its effect is the service life for the wearability and increase import and export position most easy to wear for increasing import and export position most easy to wear.
Embodiment 3：
In the present embodiment, the essential structure of straight tube is same as Example 1, has been merely given as a kind of specific wear-resisting connection
Flange.As shown in fig. 6, wear-resisting adpting flange 2 is made up of flange 2-1 with wear-resistant sleeve 2-2；Wear-resistant sleeve 2-2 is arranged in flange 2-1
Portion.
Flange 2-1 described in the utility model refers to：The building block of wear-resisting adpting flange 2；Its effect is easy for straight tube
Connection with other equipment is installed.
Wear-resistant sleeve 2-2 described in the utility model refers to：By rich chromium cast iron, low-chromium cast-iron, medium chrome cast iron, wear resistant cast iron,
A kind of wear-resistant sleeve being made in steel alloy, bearing steel, the high-abrasive material such as ceramics, hard alloy, high polymer material；Its effect is
Extend the service life of wear-resisting adpting flange 2 and improve sealing.
Embodiment 4：
In the present embodiment, above-mentioned Wear-resistant double-layered straight tube is applied to concrete mixer, when being applied in concrete pump
When in car, without filling damping, close material in damping filled cavity 4 in advance.Shown Wear-resistant double-layered straight tube when in use, in pump
Pressurization pressure the effect lower wear-resisting inner tube 3-2 in left part, the wear-resisting inner tube 3-3 in middle part separate expansion with the wear-resisting inner tube 3-4 junctions in right part
Open and form filling channel 3-1, concrete is filled automatically to damping filled cavity 4 by filling channel.
Described filling channel 3-1 is the wear-resisting inner tube 3-2 in left part, the wear-resisting inner tube 3-3 in middle part and the wear-resisting inner tube in right part
The preset slot that 3-4 is formed after installing, its width control system is within 0.8mm.
Preferably, filling channel 3-1 is chosen for 0.5mm.
Damping filled cavity 4 is that the heterogeneous wear-resisting inner tube 3 of segmented is arranged on what protection outer tube 1 was internally formed, ultimate range control
System is within 3mm；Preferably, the control of the ultimate range of damping filled cavity 4 is in 1--2mm, and ultimate range here refers to outer tube
Largest interval distance between inwall and outer wall of inner tube.
Embodiment 5：
In the present embodiment, structure is similar to Example 1, and the heterogeneous wear-resisting inner tube 3 of segmented is by the wear-resisting inner tube 3- in left part
2nd, the composite tube that the wear-resisting inner tube 3-3 in middle part and the wear-resisting inner tube 3-4 in right part are combined into, the wherein wear-resisting inner tube 3-2 in left part and the right side
At least one high-abrasive material anti-wear performance used of the wear-resisting inner tube 3-4 in end is more than the wear-resisting inner tube 3-3 in middle part use material,
The wear-resisting inner tube 3-2 in left part and material that the wear-resisting inner tube 3-4 in right part is used can be with identical, can also be different.
Simply in the present embodiment, for each position of inner tube, (wherein subscript refers to the accompanying drawing mark at each position
Note), it meets following formula：
①2HRC≤HRC(3-2、3-4)-HRC(3-3)≤10HRC
②△(3-3)/△(3-2、3-4)=2~6 times (preferably 2~3 times)
△ is represented under identical work condition environment, the attrition amount of same time, same sample, attrition amount △=
mBefore abrasion-mAfter abrasion。
HRC is the material hardness value determined using Rockwell apparatus.
Although its principle is described in detail above in conjunction with preferred embodiment of the present utility model, art technology
Personnel are it should be understood that above-described embodiment is only the explanation to exemplary implementation of the present utility model, not to this practicality
The restriction of new scope.Details in embodiment does not constitute the limitation to the utility model scope, without departing substantially from this reality
In the case of with new spirit and scope, any equivalent transformation based on technical solutions of the utility model, simple replacement etc. are aobvious
And the change being clear to, all fall within the utility model protection domain.
Claims (8)
1. a kind of double-deck straight tube of heterogeneous segmented high abrasion for concrete conveyance, it is characterised in that the double-deck straight tube bag
Include：The heterogeneous wear-resisting inner tube (3) of protection outer tube (1), segmented, it is heterogeneous wear-resisting that the protection outer tube (1) is nested in the segmented
On the outside of inner tube (3), the heterogeneous wear-resisting inner tube (3) of segmented includes at least two sections wear-resisting interior pipeline sections, the wear-resisting interior pipeline section that
This is connected in order.
2. the double-deck straight tube of the heterogeneous segmented high abrasion according to claim 1 for concrete conveyance, it is characterised in that
The heterogeneous wear-resisting inner tube (3) of segmented at least includes pipeline section (3-2) in left part, pipeline section (3-4) and one in right part
Or pipeline section (3-3) in multiple middle parts, the difference of at least one of three kinds of wear-resisting inner tubes material of inner tube and other inner tube materials, institute
State the anti-wear performance of at least one in pipeline section in left part (3-2) and right part in pipeline section (3-4) and be better than the middle part inner tube
Section (3-3).
3. the double-deck straight tube of the heterogeneous segmented high abrasion according to claim 1 or 2 for concrete conveyance, its feature exists
In adjacent inner tube section joint has filling channel (3-1), and the double-deck straight tube also includes damping filled cavity (4), the damping
Filled cavity (4) is the folder dummy section formed between the two after protection outer tube (1) is installed with the heterogeneous wear-resisting inner tube (3) of segmented.
4. the double-deck straight tube of the heterogeneous segmented high abrasion according to claim 3 for concrete conveyance, it is characterised in that
The double-deck straight tube also includes damping packed layer, and the damping packed layer is filled in the damping filled cavity.
5. the double-deck straight tube of the heterogeneous segmented high abrasion according to claim 1 or 2 for concrete conveyance, its feature exists
In the double-deck straight tube also includes wear-resisting adpting flange (2), and the wear-resisting adpting flange (2) is arranged at the protection outer tube (1)
The two ends of the nested bimetallic tube constituted with the heterogeneous wear-resisting inner tube (3) of the segmented.
6. the double-deck straight tube of the heterogeneous segmented high abrasion according to claim 1 or 2 for concrete conveyance, its feature exists
In the protection outer tube (1) is welded still pipe, and the welded still pipe welds together along y direction.
7. the double-deck straight tube of the heterogeneous segmented high abrasion according to claim 5 for concrete conveyance, it is characterised in that
The wear-resisting adpting flange is internally provided with wear-resistant sleeve.
8. the double-deck straight tube of the heterogeneous segmented high abrasion according to claim 7 for concrete conveyance, it is characterised in that
There is wedge-shaped faying face, the outer surface of the wear-resistant sleeve has and the wedge shape inside the wear-resisting flange inside the wear-resisting flange
The wedge-shaped faying face of faying face matching, the wear-resistant sleeve fixes the wear-resistant sleeve by two wedge-shaped faying faces.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP18770603.1A EP3604878B1 (en) | 2017-03-21 | 2018-04-12 | Method for preparing sectional-type high abrasion resistant double-layered straight pipe and corresponding abrasion resistant straight pipe |
| US16/496,093 US11359758B2 (en) | 2017-03-21 | 2018-04-12 | Sectional-type high wear-resistant double-layer straight tube and a method for preparing the same |
| PCT/CN2018/082777 WO2018171811A1 (en) | 2017-03-21 | 2018-04-12 | Method for preparing sectional-type high abrasion resistant double-layered straight pipe and corresponding abrasion resistant straight pipe |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710066063 | 2017-02-06 | ||
| CN2017100660630 | 2017-02-06 |
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| CN206600533U true CN206600533U (en) | 2017-10-31 |
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|---|---|---|---|
| CN201710169064.8A Pending CN106885061A (en) | 2017-02-06 | 2017-03-21 | A kind of heterogeneous segmented high abrasion bilayer straight tube for concrete conveyance |
| CN201720275791.8U Active CN206600533U (en) | 2017-02-06 | 2017-03-21 | A kind of double-deck straight tube of heterogeneous segmented high abrasion for concrete conveyance |
| CN201820203852.4U Active CN208281643U (en) | 2017-02-06 | 2018-02-06 | A kind of cast tube and the knockdown wear-resisting straight tube of hammer welded pipe |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710169064.8A Pending CN106885061A (en) | 2017-02-06 | 2017-03-21 | A kind of heterogeneous segmented high abrasion bilayer straight tube for concrete conveyance |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820203852.4U Active CN208281643U (en) | 2017-02-06 | 2018-02-06 | A kind of cast tube and the knockdown wear-resisting straight tube of hammer welded pipe |
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| CN (3) | CN106885061A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106885061A (en) * | 2017-02-06 | 2017-06-23 | 周朝辉 | A kind of heterogeneous segmented high abrasion bilayer straight tube for concrete conveyance |
| JP2020521085A (en) * | 2017-05-22 | 2020-07-16 | 周朝▲輝▼ＺＨＯＵ， Ｚｈａｏｈｕｉ | Method of manufacturing split type high wear resistant double layer straight pipe and corresponding wear resistant straight pipe |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106870876A (en) * | 2017-02-21 | 2017-06-20 | 无锡康克瑞管业科技有限公司 | Concrete conveyance double-layer wear-resistant pipe |
| CN108500567B (en) * | 2018-02-12 | 2020-08-11 | 周朝辉 | Wear-resistant pipeline preparation method capable of improving yield |
| CN110125613B (en) * | 2018-02-09 | 2021-02-19 | 周朝辉 | Preparation method of wear-resistant pipeline based on high-carbon high-chromium steel |
| CN109420884B (en) * | 2018-02-09 | 2021-02-12 | 周朝辉 | Preparation method of wear-resistant pipeline for uniform wear of concrete pump truck |
| CN110153725B (en) * | 2018-02-12 | 2021-02-12 | 周朝辉 | Wear-resisting pipeline preparation system based on high-carbon high-chromium steel |
| CN109253345A (en) * | 2018-12-04 | 2019-01-22 | 湖南托普斯新材料有限公司 | Concrete delivery pipe and pipe group |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10252952A (en) * | 1997-03-14 | 1998-09-22 | Tobishima Corp | Vibration control tube for drainage of building facility, and vibration control joint |
| CN101598248B (en) * | 2009-07-23 | 2012-02-08 | 舒敏 | Cement concrete transportation pipe in ceramic particle and fiberglass reinforced plastic construction |
| CN105673979B (en) * | 2015-03-12 | 2018-07-17 | 周朝辉 | Two points of two-layer equation wear resistant and impact resistant bend pipes of one kind and preparation method thereof |
| CN205978942U (en) * | 2015-08-08 | 2017-02-22 | 周朝辉 | Mobile concrete pump's two -layer two halves wear resistance bend pipe of automatic filling |
| CN205298854U (en) * | 2015-12-24 | 2016-06-08 | 李盼 | It carries straight tube to cup joint formula high abrasion |
| CN106885061A (en) * | 2017-02-06 | 2017-06-23 | 周朝辉 | A kind of heterogeneous segmented high abrasion bilayer straight tube for concrete conveyance |
-
2017
- 2017-03-21 CN CN201710169064.8A patent/CN106885061A/en active Pending
- 2017-03-21 CN CN201720275791.8U patent/CN206600533U/en active Active
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2018
- 2018-02-06 CN CN201820203852.4U patent/CN208281643U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106885061A (en) * | 2017-02-06 | 2017-06-23 | 周朝辉 | A kind of heterogeneous segmented high abrasion bilayer straight tube for concrete conveyance |
| JP2020521085A (en) * | 2017-05-22 | 2020-07-16 | 周朝▲輝▼ＺＨＯＵ， Ｚｈａｏｈｕｉ | Method of manufacturing split type high wear resistant double layer straight pipe and corresponding wear resistant straight pipe |
| JP7266303B2 (en) | 2017-05-22 | 2023-04-28 | 周朝▲輝▼ | Manufacturing method of split-type highly wear-resistant double-layer straight pipe and corresponding wear-resistant straight pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN208281643U (en) | 2018-12-25 |
| CN106885061A (en) | 2017-06-23 |
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