CN207514556U - The outer muscle enhancing bellows of internal-rib and its band - Google Patents
The outer muscle enhancing bellows of internal-rib and its band Download PDFInfo
- Publication number
- CN207514556U CN207514556U CN201721362338.7U CN201721362338U CN207514556U CN 207514556 U CN207514556 U CN 207514556U CN 201721362338 U CN201721362338 U CN 201721362338U CN 207514556 U CN207514556 U CN 207514556U
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- rib
- pressure
- band
- bearing
- hollow reinforced
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Abstract
The utility model discloses muscle enhancing bellows and its bands outside a kind of internal-rib, its key points of the technical solution are that including bottom and the hollow reinforced rib for being located at egative film both sides, the one side that hollow reinforced rib is away from each other is equipped with the perpendicular rib perpendicular to egative film, the band, which further includes, is integrally formed at least one pressure-bearing rib in hollow reinforced rib, one end of pressure-bearing rib is fixed with perpendicular rib, the other end is fixed with hollow reinforced rib, and backsheet edge protrudes one of them perpendicular one section of formation extension of rib.The existing bellows intensity deficiency that the utility model solves the problems, such as causes easily to collapse when using.
Description
Technical field
The utility model is related to tubing, more specifically, it is related to a kind of outer muscle enhancing bellows of internal-rib and its band.
Background technology
China city rain dirt system is largely established in the fifties in last century, mainly uses open channel and materials used for cement pipes, hereafter
With the development of the city, most of city has all carried out transformation and dilatation to rain dirt pipe-line system, and employs pipe of cement, ball milling
The tubing such as cast iron pipe.When later stage ripple type plastic winding structural wall tube occurs, because of ripple type plastic winding structural wall tube
There is better corrosion-resistant and wear resistance and be widely used in municipal blow-off line construction.
Ripple type plastic winding structural wall tube by back fill course pressure when transversely deforming can occur, power is dispersed to
Surrounding soil formed the common force structure of pipeclay, ripple type plastic winding structural wall tube intensity is critically important, if tubing by
Damage, then pipeclay force structure can be destroyed, and pipe-line system is susceptible to failure and even caves in.
Application publication number discloses a kind of outer ripple plastic of internal-rib enhancing for the Chinese invention patent of CN102305316 and twines
Around structure-wall pipe material and preparation method thereof, the technical solution mainly include cylindrical wall, spiral surrounding on it hollow plus
Strengthening tendons and the enhancing internal-rib perpendicular to tube wall in hollow reinforced rib, it is improved by enhancing internal-rib outside internal-rib enhancing
The intensity and bearing capacity of ripple type plastic winding structural wall tube.But because enhancing internal-rib is perpendicular to tube wall, and
The generally horizontal placement of tubing, thus enhancing internal-rib can only improve tubing with the intensity on its axis vertical direction, and in reality
In use, backfill layer also often has heavy-duty vehicle process thereon in addition to its own gravity, so tubing, which also suffers from, favours its axis
The pressure in line direction, at this moment enhancing internal-rib can not play a supporting role, while it forms the knot of a similar lever with respect to tube wall
Structure, and then it be easy to cause the bottom of hollow reinforced rib and tube wall is torn, tubing bears to favour its axis direction pressure
Ability is weaker.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of band, the pipe of making is improved
Material bears to favour the ability of its axis direction pressure.
To achieve the above object, the utility model provides following technical solution：A kind of band including egative film and is located at bottom
The hollow reinforced rib of piece both sides, the one side that hollow reinforced rib is away from each other are equipped with the perpendicular rib perpendicular to egative film, and the band further includes
It is integrally formed at least one pressure-bearing rib, one end of pressure-bearing rib in hollow reinforced rib to fix with perpendicular rib, the other end and hollow reinforcement
Muscle is fixed, and backsheet edge protrudes one of them perpendicular one section of formation extension of rib.
By using above-mentioned technical proposal, during the winding process, the perpendicular rib of band wherein side is to the perpendicular of another for band
Rib is drawn close, and gap is formed at extension, is filled into gap with melten gel cladding steel disc, extension avoids melten gel from falling directly on roller
On cylinder, such tubing will not account for adhere on roller in process of production, be conducive to axial movement of the tubing along roller, be convenient for
Continuous production.There is hollow reinforced rib outside the tubing of formation, when tubing is by pressure perpendicular to its axis direction, this pressure
Power can be shared by perpendicular rib and pressure-bearing rib, due to being coated with steel disc among two perpendicular ribs, so it bears the energy of vertical direction pressure
Power is preferable, and perpendicular rib cooperation pressure-bearing rib substantially increases tubing and bears the ability perpendicular to its axis direction pressure.In addition, perpendicular rib two
The pressure-bearing muscle cooperation hollow reinforced rib of side can share the larger pressure for favouring tubing axis direction, so tubing bears to incline
It is tiltedly preferable in the ability of the pressure of its axis direction.
The utility model is further arranged to：There are two the pressure-bearing ribs.
By using above-mentioned technical proposal, the bonding strength of hollow reinforced rib and intermediate perpendicular rib increases, and can bear bigger
Axial force.
The utility model is further arranged to：Described two pressure-bearing ribs are welded together V-shaped close to one end of perpendicular rib, hold
The turning point on two sides and perpendicular rib welding on rib are pressed, two outlying sides from turning point and the hollow reinforced rib of pressure-bearing rib melt
It connects.
By using above-mentioned technical proposal, the perpendicular rib of pressure-bearing rib cooperation and hollow reinforced rib form 2 groups of totally 6 near symmetricals
Triangular structure, according to the force analysis of triangle, total is bearing pressure that is vertical or favouring tubing axis direction
The ability of power greatly improves, and the bearing capacity of tubing is preferable.
The utility model is further arranged to：The band further includes horizontally disposed cross rib, one end of cross rib and turnover
Portion is fixed, the other end and hollow reinforced rib integrally connected.
By using above-mentioned technical proposal, the perpendicular rib of pressure-bearing rib cooperation, cross rib and hollow reinforced rib formed 2 groups totally 8 it is near
Like symmetrical triangular structure, simultaneously as the ability of pressure that cross rib resistance favours tubing axis direction is preferable, so pipe
The ability that material bears to favour the pressure of tubing axis direction is preferable.
The utility model is further arranged to：Described two pressure-bearing ribs are arranged in parallel, and water is connected between two pressure-bearing ribs
The cross rib of flat setting.
By using above-mentioned technical proposal, rib, cross rib and hollow reinforced rib shape in another form are erected in the cooperation of pressure-bearing rib
Into the triangular structure of 2 groups of totally 8 near symmetricals, simultaneously as cross rib resistance favours the ability of the pressure of tubing axis direction
Preferably, so the tubing ability of bearing to favour the pressure of tubing axis direction is preferable.
The utility model is further arranged to：The band includes three pressure-bearing ribs, and one end of pressure-bearing rib is fixed with perpendicular rib,
The other end and hollow reinforced rib integrally connected, three pressure-bearing rib connections are in N shapes.
By using above-mentioned technical proposal, pressure-bearing rib is all obliquely installed, and each pressure-bearing rib is able to bear from axis
Line direction and the pressure perpendicular to axis direction, pressure-bearing effect are more preferable.
The utility model is further arranged to：The perpendicular rib is fixed with sheet metal on one side close to extension, sheet metal
Bottom is supported to extension.
By using above-mentioned technical proposal, sheet metal increases the intensity at supporting rib, improves compression set ability.Metal
Piece is fixed on band in advance, and when production can be wound as the common band of direct image, reduces process, improves production effect
Rate.
In view of the deficienciess of the prior art, another of the utility model is designed to provide a kind of outer muscle enhancing of internal-rib
Bellows, raising bear to favour the ability of its axis direction pressure.
To achieve the above object, the utility model provides another technical solution：A kind of outer muscle enhancing bellows of internal-rib,
It is formed using above-mentioned band through spiral winding welding.
By using above-mentioned technical proposal, the ring stiffness of tubing improves 5%- than the ring stiffness of existing common bellows
7%, bearing capacity increases during use, is not susceptible to deform.
In conclusion the utility model has the advantages that compared with the prior art：1. the ring stiffness of tubing improves
5%-7%；2. sheet metal can be fixed with band in advance, then it is wound, reduces production process；3. extension avoids melting
Melten gel, which flows to, when connecing causes adhesion on roller so that bellows production orderly carries out.
Description of the drawings
Fig. 1 is the structure diagram of band in embodiment one；
Fig. 2 is the pipe structure schematic diagram that band is directly wound in embodiment one；
Fig. 3 is the structure diagram of band in embodiment two；
Fig. 4 is the pipe structure schematic diagram that band is directly wound in embodiment two；
Fig. 5 is the structure diagram of band in embodiment three；
Fig. 6 is the pipe structure schematic diagram that band is directly wound in embodiment three；
Fig. 7 is the structure diagram of band in example IV；
Fig. 8 is the pipe structure schematic diagram that band is directly wound in example IV.
In figure：1st, egative film；11st, extension；2nd, rib is erected；3rd, hollow reinforced rib；4th, pressure-bearing rib；5th, sheet metal；6th, cross rib.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
Wherein identical parts are presented with like reference characters.It should be noted that word used in the following description
Language "front", "rear", "left", "right", "up" and "down" refer to the direction in attached drawing 1, word " bottom surface " and " top surface ", " interior " and
" outer " is referred respectively to towards or away from the direction of particular elements geometric center.
Embodiment one：As shown in Figure 1, including egative film 1, hollow reinforcement is symmetrically fixed in the both sides of egative film 1 for a kind of band
Muscle 3 and perpendicular rib 2, hollow reinforced rib 3 surround approximate " mouth " font with perpendicular rib 2 and egative film 1, erect rib 2 and hollow reinforced rib 3 is best
It is integrally formed with egative film 1.One end of egative film 1 is concordant with one of them perpendicular 2 end face of rib, and the other end of egative film 1 has more another and erects
2 part of rib forms narrow extension 11.In order to increase the intensity of hollow reinforced rib 3, fixed inside it there are two pressure-bearings
Rib 4, one end of two pressure-bearing ribs 4 are connected and fixed to the middle part of perpendicular rib 2, the other end away from each other and be separately fixed at it is hollow plus
In strengthening tendons 3 so that two pressure-bearing ribs 4 are V-shaped.It is fixed with sheet metal 5 on one side close to extension 11 in perpendicular rib 2.Band can be with
It is made of plastics such as PE, PET, HDPE, PVC, LDPE, PP, PB, PS, PC, sheet metal 5 can be steel disc, iron plate, copper sheet, aluminium conjunction
The high tensile metals such as gold plaque make, and have certain elasticity, and sheet metal 5 can be fixedly connected with supporting rib 5 with melten gel.
As needed, the size of band can be designed as follows, and the thickness of egative film 1 is 2-5mm, the thickness of sheet metal 5
For 1-3mm, the width of extension 11 is of same size with sheet metal 5, and the height h of perpendicular rib 2 can be according to pipe diameter variation
10-50mm.The width of hollow reinforced rib 3 is dl, and 1 spacing of egative film between two neighboring hollow reinforced rib 3 is s, then optimal to set
It is calculated as dl：S=1:2.
With reference to figure 2, a kind of outer muscle enhancing corrugated pipe of internal-rib, which be helically wound simultaneously by above-mentioned band
It fuses to be formed through melten gel, two neighboring perpendicular rib 2 is adjacent to each other to be fused together, and sheet metal 5 is fixed between two perpendicular ribs 2.
It is as follows：
A) continuous both sides are squeezed out with perpendicular rib 2 and hollow reinforced rib 3, inside with V-arrangement pressure-bearing muscle 4 with the first extruder
Plastic strap；
B) cooling and shaping is carried out to plastic strap by shaping equipment；
C) band obtained by step b) is spirally wound on side by side on the shaping roller of continuous rotation so that adjacent plastic tape
Material is adjacent to each other, wherein the left side of one section of band is erected forms gap on the right side of rib 2 and another section of band between perpendicular rib 2；
D) in gap equipped with for continuously squeezing into the second extruder of the molten plastic of melting into it, second squeezes out
One composite machine head on machine is set, arc deforming is adapted by pipe diameter being formed and to be prepared is rolled by shaping roller
Sheet metal 5 by the composite machine head, the molten plastic that the second extruder squeezes out wraps up sheet metal 5, is wrapped in the gold of melten gel
Belong to piece 5 to be clamped into gap, increase the intensity of perpendicular rib 2.
Due to the effect of extension 11, the sheet metal 5 of melten gel is wrapped in during gap is clamped into, melten gel will not drip
It can facilitate onto forming cylinder, after such forming tubular product and be detached from shaping roller, be not in adhesion phenomenon so that forming
Tubing afterwards can be moved axially smoothly along roller, keep the continuity of production.
Outer pipe wall after forming has a hollow reinforced rib 3, and a gravity part for backfill layer acts directly on pipe during use
On wall, another part is acted on hollow reinforced rib 3.The power acted on hollow reinforced rib 3 is shared by perpendicular rib 2 and pressure-bearing rib 4,
Perpendicular rib 2 can bear the power on tube wall, and pressure-bearing rib 4 can bear the power along tubing axial direction, increase hollow add
The intensity of strengthening tendons 3 so that hollow reinforced rib 3 is hardly damaged.In addition, pressure-bearing rib 4 will be divided into multiple approximations inside hollow reinforced rib 3
Triangular structure increases the stability of hollow reinforced rib 3.It, can due to increasing the higher sheet metal 5 of intensity between perpendicular rib 2
It is unlikely to deform with the external force for bearing bigger.
Standard GB/T/T9647-2003 discloses the method for measuring ring stiffness：Method as required is parallel at two
One section of tubing is compressed between tablet, the directed force F when pipe diameter Direction distortion reaches 3% is measured, then according to the following formula meter
Calculate the ring stiffness of tubing：
Wherein, the force value (KN) when F- is deformed relative to tubing 3%, L- specimen lengths (m), Y- deflections (m), d- internal diameters
(m)。
In national standard, pipe ring stiffness is divided into tetra- grades of S0, S1, S2, S3, wherein S0 >=2KN/ square metres,
S1 >=4KN/ square metres, S2 >=8KN/ square metres, S3 >=16KN/ square metres.
It chooses the outer muscle enhancing bellows of newly-designed internal-rib and the corrugated pipe of existing S3 grades carries out ring stiffness test, it is real
It is as follows to test data：
1 PE tubing difference size ring stiffness data comparisons of table
It can be found that bellows for PE materials, the outer muscle enhancing bellows of newly-designed internal-rib and common S3 from table 1
Grade is compared, and the ring stiffness of nominal diameter 300mm specifications increases (17.248-16.315)/16.315=5.72%, nominal diameter
The ring stiffness of 500mm specifications increases (17.156-16.234)/16.234=5.68%, and the ring of nominal diameter 1000mm specifications is firm
Degree increases (17.016-16.149)/16.149=5.37%, and average ring stiffness improves more than 5%.
2 PP tubing difference size ring stiffness data comparisons of table
It can be found that bellows for PP materials, the outer muscle enhancing bellows of newly-designed internal-rib and common S3 from table 2
Grade is compared, and the ring stiffness of nominal diameter 300mm specifications increases (17.735-16.534)/16.534=7.26%, nominal diameter
The ring stiffness of 500mm specifications increases (17.625-16.414)/16.414=7.38%, and the ring of nominal diameter 1000mm specifications is firm
Degree increases (17.502-16.281)/16.281=7.50%, and average ring stiffness improves more than 7%.
To sum up, the outer muscle enhancing bellows of newly-designed internal-rib improves 5%-7% with existing S3 grades of corrugated pipe ring rigidity,
Same filled layer deflection reduces, and reduces the possibility of road sinks.
Embodiment two：A kind of band, as shown in figure 3, the difference lies in reference to Fig. 1, hold at two with embodiment one
The joint of beading 4 is fixed with cross rib 6 perpendicular to perpendicular rib 2, and one end of cross rib 6 is connect with perpendicular rib 2, the other end and hollow reinforced rib
3 connections.With reference to figure 4, the tubing made using the band by winding process.The advantage is that cross rib 6 makes compared with embodiment one
Hollow reinforced rib 3 is obtained when bearing the power along pipeline axial direction, the inside of hollow reinforced rib 3 is more not susceptible to deform, and improves resistance to
Pressure property.
Embodiment three：A kind of band, as shown in figure 5, the difference lies in reference to Fig. 1, held with three with embodiment one
Pressing rib 4, three pressure-bearing ribs 4 form N shapes instead of two pressure-bearing ribs 4.With reference to figure 6, formed for the band by winding process
Tubing.The advantage is that the quantity of pressure-bearing rib 4 increases compared with embodiment one, the ability of 3 resistance to deformation of hollow reinforced rib is improved,
Pipeline is hardly damaged.
Example IV：A kind of band, as shown in fig. 7, with embodiment three the difference lies in, with reference to Fig. 5, with perpendicular to
The cross rib 6 of perpendicular rib 2 is instead of an intermediate pressure-bearing rib 4.With reference to figure 8, the tubing formed for the band by winding process.With
Embodiment three compares the quantity increase the advantage is that pressure-bearing rib 4, improves the ability of 3 resistance to deformation of hollow reinforced rib, and pipeline is not easy
Damage.
The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, all technical solutions belonged under the utility model thinking belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, several improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (8)
1. a kind of band, including egative film (1) and it is located at the hollow reinforced ribs of egative film (1) both sides（3）, hollow reinforced rib（3）Opposite to each other
From one side be equipped with perpendicular to egative film（1）Perpendicular rib（2）, it is characterised in that：The band, which further includes, is integrally formed at hollow add
Strengthening tendons（3）Interior at least one pressure-bearing rib（4）, one end and the perpendicular rib of pressure-bearing rib (4)（2）It is fixed, the other end and hollow reinforced rib（3）
Fixed, egative film (1) edge protrudes one of them perpendicular rib（2）One section forms extension (11).
2. band according to claim 1, it is characterised in that：The pressure-bearing rib（4）There are two.
3. band according to claim 2, it is characterised in that：Described two pressure-bearing ribs (4) are close to perpendicular rib（2）One end melt
It is connected together V-shaped, the turning point on upper two sides of pressure-bearing rib (4) and perpendicular rib (2) welding, two of pressure-bearing rib (4) outlying from turning
The side of folding part and hollow reinforced rib (3) welding.
4. band according to claim 3, it is characterised in that：The band further includes horizontally disposed cross rib (6), cross rib
(6) one end is fixed with turning point, the other end and hollow reinforced rib（3）Integrally connected.
5. band according to claim 2, it is characterised in that：Described two pressure-bearing ribs（4）It is arranged in parallel, two pressure-bearing ribs
（4）Between be connected with horizontally disposed cross rib (6).
6. band according to claim 1, it is characterised in that：The band includes three pressure-bearing ribs（4）, pressure-bearing rib（4）
One end and perpendicular rib（2）It is fixed, the other end and hollow reinforced rib（3）Integrally connected, three pressure-bearing ribs（4）Connection is in N shapes.
7. according to the band described in claim 1-6 any one, it is characterised in that：The perpendicular rib（2）Close to extension (11)
Be fixed with sheet metal (5) on one side, the bottom of sheet metal (5) is supported to extension (11).
8. a kind of outer muscle enhancing bellows of internal-rib, it is characterised in that：Using band described in claim 7 through spiral winding welding and
Into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721362338.7U CN207514556U (en) | 2017-10-21 | 2017-10-21 | The outer muscle enhancing bellows of internal-rib and its band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721362338.7U CN207514556U (en) | 2017-10-21 | 2017-10-21 | The outer muscle enhancing bellows of internal-rib and its band |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207514556U true CN207514556U (en) | 2018-06-19 |
Family
ID=62536228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721362338.7U Expired - Fee Related CN207514556U (en) | 2017-10-21 | 2017-10-21 | The outer muscle enhancing bellows of internal-rib and its band |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207514556U (en) |
-
2017
- 2017-10-21 CN CN201721362338.7U patent/CN207514556U/en not_active Expired - Fee Related
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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: 20180619 Termination date: 20211021 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |