CN206538936U - Prestress pipe slip casting plugging hood - Google Patents
Prestress pipe slip casting plugging hood Download PDFInfo
- Publication number
- CN206538936U CN206538936U CN201720027183.5U CN201720027183U CN206538936U CN 206538936 U CN206538936 U CN 206538936U CN 201720027183 U CN201720027183 U CN 201720027183U CN 206538936 U CN206538936 U CN 206538936U
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- CN
- China
- Prior art keywords
- pair
- socket
- lid
- cover body
- anchorage
- 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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Abstract
The utility model discloses a kind of prestress pipe slip casting plugging hood, including affixed steel socket and steel lid, socket is sheathed on outside anchorage, and one side pressure on the anchor plate, the other end and lid seal, first annular gasket seal is provided between socket and anchor plate, lid is provided with a pair of strip v notch vs；A pair of tie down screws are symmetrically set on the outside of socket, and one end is fixedly arranged on anchor plate, the other end passes through a pair of strip v notch vs, is threadedly coupled with a pair of first locking nuts；Hollow cover body in socket, the outer surface of one end face of cover body is provided with a pair of circular grooves, and cover body madial wall is provided with an annular protrusion, and the raised pressure is provided with the second annular sealing gaskets on anchorage between raised and anchorage；One end of a pair of screw mandrels is provided with cup dolly, and the screw mandrel causes base to contradict in a groove through a pair holes in lid.The utility model has that process is simple, work efficiency is high, closure is reliable and reusable beneficial effect.
Description
Technical field
The utility model is related to closure frock field.More specifically, the utility model is related to a kind of prestress pipe note
Starch plugging hood.
Background technology
Post-stressed component using increasingly extensive, in addition to slip casting is not required to after only a few prestress pipe tensioning (such as without
Binding prestress rod iron), other most prestress pipes will carry out slip casting operation, and grouting quality quality will be determined in advance
The service life of stress members.New standard requires that prestress pipe will be vacuumized before slip casting, and vacuum is generally -0.05MPa.Pipe
During road slip casting, grouting pressure is 0.6MPa or so, if pipeline slip casting anchor head closure imprecision and gas leakage, vacuum and grouting pressure
It is extremely difficult to setting.
In the prior art after tension of prestressed tendon chopping, anchor head is blocked using mortar.I.e. will be exposed on anchor slab with mortar
Gap plugging between steel strand wires, intermediate plate and anchor slab and anchor plate, waits mortar to carry out slip casting work when reaching certain compression strength
Industry (is commonly called as " mortar steamed bun method "), but this method needs live mixing M10 mortars, it is necessary to prepare cement, river sand and mixer
Deng material installation, mixing is all needed before each prestress pipe slip casting, closure mortar steamed bun, work are also cut after the completion of pipeline slip casting
Sequence is cumbersome, causes certain wasting of resources；After mortar steamed bun is carried out, the mortar compression strength such as need reaches that more than 1.0MPa can enter
Row slip casting operation, when low temperature season is constructed, typically to wait after 2 days can slip casting, work efficiency is relatively low；Because the deadweight of mortar steamed bun is former
Cause, mortar of the steamed bun periphery at underface is easy to drop, and operating personnel are careless slightly, and mortar steamed bun will rise because of chip off-falling
Less than sealing function；Operating personnel are made during mortar steamed bun, and the outer exposure site of steel strand wires is dealt with improperly or mortar pressure resistance
Degree is not enough, the meeting gas leakage in vacuum, and slip casting process meeting spillage, vacuum and grouting pressure do not reach setting, just
Slip casting operation must be terminated, the closure of mortar steamed bun is done again, serious quality problems will be produced by otherwise continuing slip casting.
Utility model content
A purpose of the present utility model is to solve at least the above, and provides the advantage that at least will be described later.
The utility model also has a purpose to be to provide, and a kind of process is simple, work efficiency is high, closure is reliable and reusable
Prestress pipe slip casting plugging hood.
Sealed to realize according to these purposes of the present utility model and further advantage there is provided a kind of prestress pipe slip casting
Stifled cover, including：
The anchor plate and anchorage being fixedly connected, it is arranged on prestressed pipe road junction, is set in the horizontal direction in the anchorage
It is equipped with many reinforcing bars；
The steel socket being fixedly connected and steel lid, the socket is sheathed on outside the anchorage, and a side pressure is located at
On the anchor plate, the other end and the lid seal, first annular sealing gasket is provided between the socket and the anchor plate
Piece, the lid is provided with a pair of strip v notch vs；
A pair of tie down screws and a pair of first locking nuts, a pair of tie down screws are symmetricly set in the outside of the socket,
And one end is fixedly installed on the anchor plate, the other end passes through the pair of strip v notch v, with a pair of first locking nuts
Threaded connection.
Preferably, the lid seals affixed with the socket by welding manner.
Preferably, the length of the socket is 10~15cm, and the wall thickness of the socket is 1cm, the lid
Thickness is 1cm, and the thickness of the first annular gasket seal is 5mm.
Preferably, in addition to：
Hollow cover body in the socket, the cover body is opened wide close to an end face of the anchor plate, and can be
Moved in the annulus that the socket is formed with the anchorage, the outer surface of another end face of cover body is provided with a pair of circles
Connected in star, the madial wall of the cover body is provided with an annular protrusion, and the raised pressure is on the anchorage, the raised and institute
State and the second annular sealing gaskets is provided between anchorage；
A pair holes are offered in a pair of screw mandrels, the lid, the pair of silk hole is relative with the pair of circular groove
Set, one end of the screw mandrel is provided with cup dolly, and the cup dolly is engaged with the circular groove, the pair of screw mandrel
Through the pair of silk hole the cup dolly is contradicted in the circular groove.
Preferably, the screw mandrel is located at the outside of the lid provided with the second locking nut, second locking nut
The 3rd annular sealing gaskets is provided between the lid.
Preferably, the material of the cover body is steel matter, and the cover body end face and sidewall thickness are 1cm.
Preferably, the first annular gasket seal, the second annular sealing gaskets and the 3rd annular sealing gaskets are
Quality of rubber materials, thickness is 5mm.
The utility model at least includes following beneficial effect：
Firstth, with cement mortar anchor head is blocked in the prior art, it is necessary to live mixing mortar, and the mortar pressure resistance such as need
Degree reaches that more than 1.0MPa can carry out slip casting operation, and especially when low temperature season is constructed, typically to wait after 2 days to note
Slurry, and the steel socket for the squeezing pressure that the utility model use can be born is pressed on steel lid by first annular gasket seal
On anchor plate, and locked with tie down screw, be that can realize that i.e. envelope is pressed, and is also not required to even in low temperature season without cement mortar
Waited for a long time, and shortened the production cycle, installation or removal are extremely easy, reusable；
Strip v notch v is set the secondth, in the lid, tie down screw can be made to adapt to different anchor plate connecting holes,
And then make a kind of anchor head of the different sizes of plugging hood adaptation；
3rd, during tensioning operation, if anchorage is without in the complete complete neck being caught on anchor plate, or anchorage and anchor plate it
Between it is not closely connected, vacuumize or can all produce gas leakage or spillage phenomenon when slip casting, must just terminate slip casting operation, the utility model
Be tightly connected using by plugging hood with anchor plate, anchorage and anchor plate contact position can be sealed in, to prevent from vacuumizing or
Gas leakage or spillage phenomenon occur during slip casting；
4th, during tensioning operation, generally existing gap between anchorage and steel strand wires vacuumizes or will necessarily produced when slip casting
Raw gas leakage or spillage phenomenon, a hollow cover body is added on anchorage, makes to project through the second annular sealing gaskets pressure on cover body
In on anchorage, the gap between anchorage and steel strand wires can be in the confined space that cover body is formed with anchorage, so as to reach
To the effect in the gap between closure anchorage and steel strand wires；
5th, because the cover body surface of steel material is more smooth, directly apply pressure conflict using screw mandrel, easily move
Position, it is not firm to contradict, therefore by setting base, and the circle for making screw mandrel base contact on cover body Closed End on screw mandrel
It on groove, can prevent cover body from shift being installed, slide, cover body is pressed on firm on anchorage, reach firm sealing
Effect.
Further advantage of the present utility model, target and feature embody part by following explanation, and part will also pass through
Research of the present utility model and practice are understood by the person skilled in the art.
Brief description of the drawings
Fig. 1 is overall lateral plan schematic diagram of the present utility model；
Fig. 2 is lid top view of the present utility model；
Fig. 3 is hollow cover body detail view of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to explanation
Book word can be implemented according to this.
As shown in Figures 1 to 3, the utility model provides a kind of prestress pipe slip casting plugging hood, it is characterised in that including：
The anchor plate 1 being fixedly connected and anchorage 6, it is arranged on prestressed pipe road junction, in the anchorage 6 in the horizontal direction
It is provided with many reinforcing bars；
The steel socket 2 being fixedly connected and steel lid 3, the socket 2 is sheathed on outside the anchorage 6, and a side pressure
On the anchor plate 1, the other end sealed with the lid 3, between the socket 2 and the anchor plate 1 be provided with the first ring
Shape gasket seal 4, the lid 3 is provided with a pair of strip v notch vs 37；
A pair of tie down screws 31 and a pair of first locking nuts 32, a pair of tie down screws 31 are symmetricly set in the socket 2
Outside, and one end is fixedly installed on the anchor plate 1, the other end passes through the pair of strip v notch v 37, with a pair the
One locking nut 32 is threadedly coupled.
In the above-mentioned technical solutions, steel socket 2 is first sealed affixed with steel lid 3, sealing affixed mode has very
It is a variety of, such as rivet interlacement mode, such as bolt connecting mode, such as welding manner；
Steel socket 2 is sealed after affixed get well with steel lid 3, is pressed on by first annular gasket seal 4 on anchor plate 1,
The gap between anchorage 6 and anchor plate 1 is set to be in the confined space of lid 3, socket 2 and the formation of anchor plate 1, by two lockings
The strip v notch v 37 that screw rod 31 is each passed through in lid 3 is spirally connected with two screws on anchor plate 1, two tie down screws 31
One end outside lid 3 puts the first locking nut 32, and rotates the first locking nut 32, lid 3 is compressed socket 2, pipe
Cylinder 2 compresses first annular gasket seals 4, and first annular gasket seal 4 compresses anchor plate 1, makes lid 3, socket 2 and first annular
Gasket seal 4 is fixed on anchor plate 1；
First annular gasket seal 4 can have multiple choices, such as silica gel sealing pad, such as rubber sheet gasketing；
Because the distance between two screws on anchor plate 1 can have a variety of, therefore provided with a pair of strips in lid 3
V notch v 37, can be such that tie down screw 31 is adjusted in the length range of strip v notch v 37, to adapt to the anchor plate of different distance
1, reach that a plugging hood is suitable for blocking the effect of a variety of anchor plates 1.
In another technical scheme, the lid 3 seals affixed with the socket 2 by welding manner.Use closure
During cover closure, lid 3 is that an entirety is used with socket 2, therefore fixes lid 3 and socket 2 using welding manner, makes lid 3
An entirety is first being fixed into using preceding with socket 2, it is possible to reduce process in use, is saving the engineering time, improving
Efficiency of construction, such as, it is necessary to which fastening bolt, adds a procedure if being connected by screw bolts mode.
In another technical scheme, the length of the socket 2 is 10~15cm, and the wall thickness of the socket 2 is
1cm, the thickness of the lid 3 is 1cm, and the thickness of the first annular gasket seal 4 is 5mm.The exposed parts of anchorage 6 have one
Measured length, steel strand wires protruded length is 2~4cm, and plugging hood needs to accommodate anchorage 6 and steel strand wires wherein, it is therefore desirable to pre-
Stay certain space, it is appropriate that the length of socket 2 is set to 10~15cm；
When being vacuumized due to prestress pipe, vacuum is generally -0.05MPa, and during pipeline slip casting, grouting pressure is
0.6MPa or so, when being blocked using plugging hood, plugging hood needs to bear larger pressure, therefore constitutes the socket of plugging hood main body
2 wall thickness is 1cm, and the thickness of lid 3 is also 1cm, so can just bear this pressure；
First annular gasket seal 4 can be deformed after being suppressed by socket 2, and prestress pipe is when vacuumizing, vacuum
Generally -0.05MPa, during pipeline slip casting, grouting pressure is 0.6MPa or so, if first annular gasket seal 4 is too thin, deformation
It is too big, influence sealing property and anti-skidding effect, therefore the thickness that first annular gasket seal 4 is preferably selected is 5mm.
In another technical scheme, in addition to：
Hollow cover body 5 in the socket 2, the cover body 5 is opened wide close to an end face of the anchor plate 1, and
It can move, be set on the outer surface of another end face of cover body 5 in the annulus that the socket 2 is formed with the anchorage 6
There are a pair of circular grooves 51, the madial wall of the cover body 5 is provided with an annular protrusion 52, and raised 52 pressure is located at the anchorage
On 6, the second annular sealing gaskets 53 is provided between described raised 52 and the anchorage 6；
A pair holes 33 are offered in a pair of screw mandrels 34, the lid 3, the pair of silk hole 33 and the pair of circle are recessed
Groove 51 is oppositely arranged, and one end of the screw mandrel 34 is provided with cup dolly, and the cup dolly is engaged with the circular groove 51,
The pair of screw mandrel 34 causes the cup dolly to contradict in the circular groove 51 through the pair of silk hole 33.
In the above-mentioned technical solutions, the gap existed between anchorage 6 and steel hank knotting is more, vacuumize in prestress pipe or
During slip casting, gas leakage or spillage are easier to, in order to avoid this case, pressure sets a hollow cover body 5 on anchorage 6, makes cover body 5 and anchorage
6 form a confined space, the gap between anchorage 6 and steel hank knotting is in this confined space, to reach the work of closure
With；
In use, cover body 5 is placed between socket 2 and anchorage 6, the annular protrusion 52 on cover body 5 is close by the second annular
Gasket 53 is pressed on anchorage 6, makes cover body 5 and one confined space of formation of anchorage 6, and then a pair of screw mandrels 34 pass through a pair holes
33, the base on screw mandrel 34 is contradicted in the circular groove 51 on the Closed End of cover body 5, so can prevent screw mandrel 34 from acting on
Skidded when on cover body 5, rotary screw 34 is so that base compressed grooves 51, so that projection 52 compresses the second annular sealing gaskets 53
To compress anchorage 6, sealing function is got.
In another technical scheme, the outside that the screw mandrel 34 is located at the lid 3 is provided with the second locking nut 35, institute
State and the 3rd annular sealing gaskets is provided between the second locking nut 35 and the lid 3., may when screw mandrel 34 is connected with silk hole 33
There is gap, therefore in order to prevent the generation of this case, be located at the second locking screw on one end set in the outside of lid 3 in screw mandrel 34
Mother 35, and the 3rd annular sealing gaskets is padded between the second locking nut 35 and lid 3, so rotate the second locking nut
35, the 3rd annular sealing gaskets is pressed on a hole 33, to reach gap that may be present between closure screw mandrel 34 and silk hole 33,
Make the sealing property of cover body 5 more preferable.
In another technical scheme, the material of the cover body 5 is steel matter, and the end face of cover body 5 and sidewall thickness are equal
For 1cm.Cover body 5 is manufactured using steel matter, and the thickness of the end face of cover body 5 and side wall reaches 1cm, can so sustain prestressing force
Pipeline is vacuumized or pressure during slip casting.
In another technical scheme, the first annular gasket seal 4, the second annular sealing gaskets 53 and the 3rd annular
Gasket seal is quality of rubber materials, and thickness is 5mm.In this construction environment of prestress pipe, because cement, mortar are perishable
Lose other articles, and be in outdoor, wind and weather, the requirement to gasket seal is higher, and rubber sheet gasketing be it is a kind of from
Expansion sealing pad, good sealing effect, and also there is the performance such as oil resistant, acid and alkali-resistance, resistance to fever and chills, ageing-resistant, it is comparatively ideal close
Gasket.
Although embodiment of the present utility model is disclosed as above, it is not restricted in specification and embodiment
Listed to use, it can be applied to various suitable fields of the present utility model completely, for those skilled in the art,
Other modification is easily achieved, therefore under the universal limited without departing substantially from claim and equivalency range, this reality
Specific details is not limited to new and shown here as the legend with description.
Claims (7)
1. a kind of prestress pipe slip casting plugging hood, it is characterised in that including：
The anchor plate and anchorage being fixedly connected, it is arranged on prestressed pipe road junction, horizontally disposed in the anchorage to have
Many reinforcing bars；
The steel socket being fixedly connected and steel lid, the socket are sheathed on outside the anchorage, and a side pressure is located at described
On anchor plate, the other end and the lid seal, first annular gasket seal, institute are provided between the socket and the anchor plate
Lid is stated provided with a pair of strip v notch vs；
A pair of tie down screws and a pair of first locking nuts, a pair of tie down screws are symmetricly set in the outside of the socket, and one
End is fixedly installed on the anchor plate, the other end passes through the pair of strip v notch v, with a pair of first locking nut screw threads
Connection.
2. prestress pipe slip casting plugging hood as claimed in claim 1, it is characterised in that the lid passes through with the socket
Welding manner sealing is affixed.
3. prestress pipe slip casting plugging hood as claimed in claim 1, it is characterised in that the length of the socket is 10~
15cm, the wall thickness of the socket is 1cm, and the thickness of the lid is 1cm, and the thickness of the first annular gasket seal is
5mm。
4. prestress pipe slip casting plugging hood as claimed in claim 1, it is characterised in that also include：
Hollow cover body in the socket, the cover body is opened wide close to an end face of the anchor plate, and can be described
Moved in the annulus that socket is formed with the anchorage, the outer surface of another end face of cover body is circular recessed provided with a pair
Groove, the madial wall of the cover body is provided with an annular protrusion, and the raised pressure is on the anchorage, the described raised and anchor
The second annular sealing gaskets is provided between tool；
A pair holes are offered in a pair of screw mandrels, the lid, the pair of silk hole is oppositely arranged with the pair of circular groove,
One end of the screw mandrel is provided with cup dolly, and the cup dolly is engaged with the circular groove, and the pair of screw mandrel is passed through
The pair of silk hole causes the cup dolly to contradict in the circular groove.
5. prestress pipe slip casting plugging hood as claimed in claim 4, it is characterised in that the screw mandrel is located at the lid
Outside is provided with the second locking nut, and the 3rd annular sealing gaskets is provided between second locking nut and the lid.
6. prestress pipe slip casting plugging hood as claimed in claim 4, it is characterised in that the material of the cover body is steel
Matter, the cover body end face and sidewall thickness are 1cm.
7. prestress pipe slip casting plugging hood as claimed in claim 4, it is characterised in that the first annular gasket seal,
Second annular sealing gaskets and the 3rd annular sealing gaskets are quality of rubber materials, and thickness is 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720027183.5U CN206538936U (en) | 2017-01-11 | 2017-01-11 | Prestress pipe slip casting plugging hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720027183.5U CN206538936U (en) | 2017-01-11 | 2017-01-11 | Prestress pipe slip casting plugging hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206538936U true CN206538936U (en) | 2017-10-03 |
Family
ID=59938970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720027183.5U Expired - Fee Related CN206538936U (en) | 2017-01-11 | 2017-01-11 | Prestress pipe slip casting plugging hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206538936U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022052438A1 (en) * | 2020-09-09 | 2022-03-17 | 中国五冶集团有限公司 | End plugging device for pre-stressed pipeline press-grouting |
-
2017
- 2017-01-11 CN CN201720027183.5U patent/CN206538936U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022052438A1 (en) * | 2020-09-09 | 2022-03-17 | 中国五冶集团有限公司 | End plugging device for pre-stressed pipeline press-grouting |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171003 Termination date: 20220111 |