CN208293398U - A kind of attachment device of segmented prestress wire - Google Patents
A kind of attachment device of segmented prestress wire Download PDFInfo
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- CN208293398U CN208293398U CN201721069438.0U CN201721069438U CN208293398U CN 208293398 U CN208293398 U CN 208293398U CN 201721069438 U CN201721069438 U CN 201721069438U CN 208293398 U CN208293398 U CN 208293398U
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Abstract
This application discloses a kind of attachment devices of segmented prestress wire, successively include: the first porous anchor plate along the direction constructed paragraph by paragraph, are provided with multiple the first anchor holes for being used for i-th section of steel strand wires and passing through；Work clip sheet, corresponding in each first anchor hole to fix a work clip sheet, each work clip sheet is for anchoring single i-th section of steel strand wires；Single hole connector, both ends are respectively used to be connected and fixed single i-th section of steel strand wires and single i+1 section steel strand wires；Anchor mouth is anchored across i+1 section steel strand wires, and for connecting with the pre-buried bellows of i+1 section.When porous connector fails, when steel strand wires stripped thread occurs, after the concrete structure windowing of junction, porous connector is dismantled, which is packed into wherein, since the space that the connection of single hole connector needs is small, the range that opens a window is small, therefore, smaller to damages of concrete structures, and the porous connector more renewed is not needed, it reduces costs.
Description
Technical field
The utility model relates to technical field of building construction, in particular to the connection of a kind of segmented prestress wire fills
It sets.
Background technique
Longitudinal prestressing reinforcing bar in Prestressed Concrete Bridges generallys use steel strand wires, for the pre- of section cast-in-place construction
Prestressed concrete bridge structure, longitudinal steel strand wires are equally section constructions, at steel strand wires segmentation using porous connector into
The anchoring of two sections of steel strand wires of row and spreading, then casting concrete carries out long joining section after concrete strength reaches requirement again
Prestressed stretch-draw.
The prestressed concrete box that the Prestressed Concrete Bridges structure of section cast-in-place construction mostly uses section cast-in-place to construct
Beam, working procedure are usual are as follows: and the full framing (or mobile formwork) of i-th section of beam body construction is set up, and carries out precompressed as required,
It carries out the construction of i-th section of beam body: successively including reinforcing bar binding, prestress pipe and steel bar arrangement, concreting, prestressing force
It draws, corrugated conduit grouting, completes i-th section of beam body construction；The full framing (or mobile formwork) of i+1 section beam body construction is set up,
Then precompressed as required carries out reinforcing bar binding, uses porous connector to carry out longitudinal steel strand wires spreading, cloth at beam section line of demarcation
If prestress pipe and reinforcing bar, casting concrete, prestressed stretch-draw, corrugated conduit grouting etc. process, working procedure, is followed like this
Ring carries out the cast-in-place construction of one section of one section of beam body, completes full-bridge construction.
Existing porous connector is as shown in Figure 1, successively mainly include connector 02, work clip sheet along piecewise construction direction
04, extruded sleeve 03 and protective cover 07, wherein multiple routing holes are disposed on connector 02, work clip sheet 04 is arranged in connector
On 02, and each routing hole is correspondingly arranged a work clip sheet 04, is embedded with i-th section of pre-buried anchor mouth 01 in i-th section of box beam, and i-th
Section steel strand wires 05 are stretched out from i-th section of pre-buried anchor mouth 01, and are passed through the routing hole of connector 02 and be fixed in work clip sheet 04；
The edge of the radial direction of connector 02 is arranged in extruded sleeve 03, and each extruded sleeve 03 is used to anchor every of i+1 section box beam
06 end of spreading steel strand wires；After all steel strand wires of i+1 section box beam are installed in place, protective cover 07 is installed, protective cover 07
Both ends are separately connected the end of i-th section of pre-buried anchor mouth 01 and the end of the pre-buried bellows 08 of i+1 section, and protective cover 07 twists steel
The connection structure of line is sealed protection, finally pours i+1 section box beam concrete, after concrete strength reaches requirement,
The end of i+1 section box beam carries out stretch-draw anchor to steel strand wires, and is in the milk to prestress pipe, completes prestressing force spreading and applies
Work.
Work clip sheet 04 in the porous connector can have iron rust or sand, installation on low, steel strand wires because of clip-tough
The reasons such as elastic ring damage or loss fail when intermediate plate, and the failure of work clip sheet 04 can then make to connect with the work clip sheet 04
There is stripped thread in steel strand wires, cause this deformed bar connection failure, can not carry out subsequent construction.When encountering the porous of two sections of junctions
When the problem of steel strand wires stripped thread falls off at connector, usually require to carry out large area windowing processing to concrete structure, regardless of
It is that several steel strand wires stripped thread occur and fall off, requires integral replacing porous connector, due to being influenced by porous connector size,
Whole beam porous connector is replaced, the concrete range for needing to cut is larger, certainly will bring irreversible damage to the structure of box beam
Wound, and replace porous connector higher cost, constructional difficulties.
In conclusion when carrying out steel strand wires reconnection processing after how solving porous connector failure, to concrete structure
Larger problem is damaged, those skilled in the art's urgent problem to be solved is become.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of attachment device of segmented prestress wire, with
When carrying out prestress wire reconnection processing, reduce the damage to concrete structure.
In order to achieve the above objectives, the utility model the following technical schemes are provided:
A kind of attachment device of segmented prestress wire successively includes: along the direction constructed paragraph by paragraph
First porous anchor plate is provided with multiple for being used for i-th section of steel strand wires and passing through on the first porous anchor plate
One anchor hole；
Work clip sheet, correspondence fixes the work clip sheet, each filing appliance in each first anchor hole
Piece is for anchoring single i-th section of steel strand wires；
Single hole connector, the both ends of the single hole connector are respectively used to be connected and fixed single i-th section of steel strand wires
The end of end and single i+1 section steel strand wires；
Anchor mouth is anchored across the i+1 section steel strand wires, and for connecting with the pre-buried bellows of i+1 section.
It preferably, further include being set to more than described first in the attachment device of above-mentioned segmented prestress wire
Limit plate between hole anchor plate and the single hole connector, is provided on the limit plate and first anchor hole one is a pair of
The through-hole answered, the limit plate are fixed on the described first porous anchor plate close to one end of the single hole connector.
It preferably, further include being set to the single hole to connect in the attachment device of above-mentioned segmented prestress wire
The second porous anchor plate between device and the anchor mouth is connect, is provided on the second porous anchor plate multiple for across described
Second anchor hole of i+1 section steel strand wires, the second porous anchor plate are fixed on the end of the anchor mouth.
Preferably, in the attachment device of above-mentioned segmented prestress wire, first anchor hole and described the
Two anchor holes correspond, and coaxial line.
Preferably, in the attachment device of above-mentioned segmented prestress wire, first anchor hole is uniformly distributed
In on the described first porous anchor plate, second anchor hole is uniformly distributed on the described second porous anchor plate.
Preferably, in the attachment device of above-mentioned segmented prestress wire, the anchor mouth is tubaeform anchor mouth, institute
The big end of tubaeform anchor mouth is stated towards the single hole connector.
Preferably, in the attachment device of above-mentioned segmented prestress wire, the single hole connector includes:
Connector, the connector are hollow tubular structure, and the both ends periphery of the connector is respectively arranged with screw thread；
Left intermediate plate is cone structure, and the big end of the left intermediate plate is connected to one end of the connector, for across simultaneously anchor
Gu the end of i-th section of steel strand wires；
Right clamping piece is cone structure, and the big end of the right clamping piece is connected to the other end of the connector, for across simultaneously
Anchor the end of the i+1 section steel strand wires；
Left conical ring, has the taper hole with the cone match of the left intermediate plate, and the left conical ring is covered in the left intermediate plate and institute
One end of connector is stated, and is connect with the threaded one end of the connector；
Right conical ring, has the taper hole with the cone match of the right clamping piece, and the right conical ring is covered in the right clamping piece and institute
The other end of connector is stated, and is threadedly coupled with the other end of the connector.
Preferably, in the attachment device of above-mentioned segmented prestress wire, the screw thread at the connector both ends revolves
To opposite.
Compared with prior art, the utility model has the beneficial effects that
In the attachment device of segmented prestress wire provided by the utility model, successively wrapped along the direction constructed paragraph by paragraph
Include the first porous anchor plate, work clip sheet, single hole connector and anchor mouth；Wherein, the first porous anchor plate is provided with multiple be used for
The first anchor hole that i-th section of steel strand wires passes through；Correspondence fixes a work clip sheet, each work clip sheet in each first anchor hole
For anchoring single i-th section of steel strand wires；The both ends of single hole connector are respectively used to connect end and the list of single i-th section of steel strand wires
The end of root i+1 section steel strand wires；Anchor mouth passes through and anchors i+1 section steel strand wires, and anchor mouth is used for and the pre-buried bellows of i+1 section
Connection.When the work clip sheet failure of existing porous connector opens the concrete structure of junction when steel strand wires stripped thread occurs
After window processing, the porous connector of failure is dismantled, the attachment device in the utility model is packed into wherein, the first porous anchor is passed through
Backing plate and anchor mouth provide steel strand wires beam splitting to enough installation spaces for single hole connector, by the connection institute of single hole connector
The working space needed is small, and windowing range is small, therefore, smaller to damages of concrete structures, and does not need the porous company more renewed
Device is connect, is reduced costs.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is a kind of structural schematic diagram of porous connector in the prior art；
Fig. 2 is a kind of first step peace of attachment device of segmented prestress wire provided by the embodiment of the utility model
Fill process；
Fig. 3 is a kind of second step peace of attachment device of segmented prestress wire provided by the embodiment of the utility model
Fill process；
Fig. 4 is a kind of third step peace of attachment device of segmented prestress wire provided by the embodiment of the utility model
Fill process；
Fig. 5 is a kind of the 4th step peace of attachment device of segmented prestress wire provided by the embodiment of the utility model
Fill process；
Fig. 6 is a kind of the 5th step peace of attachment device of segmented prestress wire provided by the embodiment of the utility model
Fill process；
Fig. 7 is a kind of the 6th step peace of attachment device of segmented prestress wire provided by the embodiment of the utility model
Fill process；
Fig. 8 is a kind of the 7th step peace of attachment device of segmented prestress wire provided by the embodiment of the utility model
Fill process；
Fig. 9 is a kind of the 8th step peace of attachment device of segmented prestress wire provided by the embodiment of the utility model
Fill process；
Figure 10 is that a kind of single hole of attachment device of segmented prestress wire provided by the embodiment of the utility model connects
Connect the structural schematic diagram of device.
Wherein, 01 for pre-buried anchor mouth, 02 be connector, 03 be extruded sleeve, 04 be work clip sheet, 05 be i-th section of steel strand wires,
06 it is spreading steel strand wires, 07 is pre-buried bellows；
1 is i-th section of pre-buried bellows, 2 be i-th section of pre-buried anchor mouth, 3 be i-th section of steel strand wires, 4 be i+1 section steel strand wires, 5
It is anchor mouth for the second porous anchor plate, 6,7 be the pre-buried bellows of i+1 section, 8 be the first porous anchor plate, 9 is limit plate, 10
For work clip sheet, 11 be single hole connector, 111 be left conical ring, 112 be left intermediate plate, 113 be connector, 114 be right clamping piece,
115 be right conical ring, 12 be the pre-buried anchor mouth of i+1 section, 13 be grout pipe, 14 be grout outlet.
Specific embodiment
There is provided a kind of attachment devices of segmented prestress wire for the core of the utility model, can carry out in advance
When prestress steel strand reconnects processing, reduce the damage to concrete structure.
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to FIG. 5, the utility model embodiment provides a kind of attachment device of segmented prestress wire, below
Abbreviation attachment device successively includes the first porous anchor plate 8, work clip sheet 10, single hole connector along the direction constructed paragraph by paragraph
11 and anchor mouth 6.Wherein, multiple first anchor holes are provided on the first porous anchor plate 8, the first anchor hole is preferably uniformly distributed
In on the first porous anchor plate 8, each first anchor hole is passed through for single i-th section of steel strand wires 3, the end of i-th section of steel strand wires 3
After stretching out i-th section of pre-buried bellows 1 and i-th section of pre-buried anchor mouth 2, the first anchor hole is passed through；Work clip sheet 10 is installed on the first anchor
It in solid hole, and is corresponded in each first anchor hole and fixes a work clip sheet 10, each work clip sheet 10 is for anchoring single i-th
Section steel strand wires 3, work clip sheet 10 are cone structure, and correspondingly the first anchor hole is bellmouth, the big end direction of the first anchor hole
Single hole connector 11, work clip sheet 10 be embedded in the first anchor hole, as i-th section of steel strand wires 3 is to far from single hole connector 11
When the tensioning of direction, work clip sheet 10 is moved into the first anchor hole therewith, and work clip sheet 10 is radially compressed, thus by i-th section of steel
Twisted wire 3 anchors；The both ends of single hole connector 11 are respectively used to be connected and fixed the end of single i-th section of steel strand wires 3 and single i+1
The end of section steel strand wires 4, completes the connection of i-th section of steel strand wires 3 Yu i+1 section steel strand wires 4；Multiple perforation are provided on anchor mouth 6,
Preferably, it is multiple perforation be uniformly distributed on anchor mouth 6, it is each perforation for across and anchor single i+1 section steel strand wires 4, anchor
One end of mouth 6 with the pre-buried bellows 7 of i+1 section for connecting.
The working principle and the course of work of the attachment device are as follows: when the prestressed concrete of existing section cast-in-place construction
The porous connector failure of the segmentation junction of box beam, when there is steel strand wires stripped thread, is reconnected using the attachment device.Tool
Body, after the concrete structure windowing processing of junction, the porous connector of failure is dismantled, by the connection in the utility model
Device is packed into wherein, by the first porous anchor plate 8 and anchor mouth 6 by steel strand wires beam splitting, is provided for single hole connector 11 enough
Installation space, each single hole connector 11 are correspondingly connected with i-th section of steel strand wires 3 and i+1 section steel strand wires 4, different steel strand wires
Between connection and tensioning it is interference-free, the working space as required for the connection of single hole connector 11 is small, windowing range it is small,
Therefore, smaller to damages of concrete structures, and the porous connector more renewed is not needed, it reduces costs.
Further, in the present embodiment, attachment device further includes being set to the first porous anchor plate 8 and single hole connector
Limit plate 9 between 11 is provided on limit plate 9 and is fixed on more than first with the one-to-one through-hole of the first anchor hole, limit plate 9
Hole anchor plate 8 is close to one end of single hole connector 11.By the way that limit plate 9 is arranged, by 10 axial limiting of work clip sheet in the first anchor
In solid hole, prevent work clip sheet 10 from falling off.Preferably, limit plate 9 is steel plate.
It should be noted that limit plate 9 can also be not provided with, due to work clip sheet 10 by i-th section of steel strand wires 3 to
Therefore pulling force inside one anchor hole will not generally fall off from the first anchor hole, setting limit plate 9 is intended merely to more protect
Danger.
Further, in the present embodiment, attachment device further includes being set between single hole connector 11 and anchor mouth 6
Second porous anchor plate 5 is provided on second porous anchor plate 5 and multiple is used for the second anchor hole, it is preferable that the second anchor hole is equal
It is even to be distributed on the second porous anchor plate 5, and corresponded with the first anchor hole, and coaxial line.Each second anchor hole is used for
Across single i+1 section steel strand wires 4, the second porous anchor plate 5 is fixed on the end of anchor mouth 6.It will by the second porous anchor plate 5
I+1 section steel strand wires 4 are split, and adjacent i+1 section steel strand wires 4 is made to separate a certain distance.Second porous 5 He of anchor plate
First porous anchor plate 8 cooperates, and i-th section of steel strand wires 3 is connected with the further beam splitting of i+1 section steel strand wires 4, more convenient single hole
Independent connection of the connector 11 to individual steel strand.
It is of course also possible to be not provided with the second porous anchor plate 5, steel is only realized by anchor mouth 6 and the first porous anchor plate 8
The beam splitting of twisted wire connects, and only the beam splitting effect of the second porous anchor plate 5 is more preferable.
As shown in figure 5, in the present embodiment, anchor mouth 6 is tubaeform anchor mouth, the big end of tubaeform anchor mouth is connected towards single hole
Device 11, in this way, i+1 section steel strand wires 4 can be extended to beam splitting state by collected state, to make i-th section of steel strand wires 3
It is conllinear with i+1 section steel strand wires 4.
As shown in Figure 10, the utility model embodiment provides a kind of specific single hole connector 11 comprising connector
113, left intermediate plate 112, right clamping piece 114, left conical ring 111 and right conical ring 115.Wherein, connector 113 is hollow tubular structure, connection
First 113 both ends periphery is respectively arranged with screw thread；Left intermediate plate 112 is cone structure, and left intermediate plate 112 is provided with centre bore, is used for
The end of i-th section of steel strand wires 3 is passed through and anchors, the big end of left intermediate plate 112 is connected to one end of connector 113；Right clamping piece 114 is
Cone structure, right clamping piece 114 are provided with centre bore, for across and anchor the ends of i+1 section steel strand wires 4, right clamping piece 114
Big end be connected to the other end of connector 113；Left conical ring 111 has the taper hole with the cone match of left intermediate plate 112, left conical ring
111 sets of one end in left intermediate plate 112 and connector 113, and connect with the threaded one end of connector 113；Right conical ring 115 have with
The taper hole of the cone match of right clamping piece 114, the other end of 115 sets of the right conical ring in right clamping piece 114 and connector 113, and with connection
First 113 other end is threadedly coupled.
The working principle of the single hole connector 11 are as follows: by the end of i-th section of steel strand wires 3 pass through left conical ring 111 taper hole and
The end of i+1 section steel strand wires 4 is passed through the taper hole of right conical ring 115 and the center of right clamping piece 114 by the centre bore of left intermediate plate 112
Hole；The big end of left conical ring 111 is tightened in one end of connector 113, the connector 113 that the big end of right conical ring 115 is tightened
The other end, as left conical ring 111 and right conical ring 115 are constantly tightened, left intermediate plate 112 and right clamping piece 114 are by radial extruding
The aperture of power, centre bore gradually becomes smaller, so that i-th section of steel strand wires 3 and i+1 section steel strand wires 4 be anchored.
In order to facilitate the attended operation of single hole connector 11, in the present embodiment, the thread rotary orientation phase at 113 both ends of connector
Instead, correspondingly, the rotation direction of left conical ring 111 and connector 113 and right conical ring 115 and connector 113 is oppositely oriented.When connection,
Only needing to be rotatablely connected first 113 can be achieved at the same time tightening and unclamping for left conical ring 111 and right conical ring 115, while realize i-th section
The anchoring of steel strand wires 3 and i+1 section steel strand wires 4 connects more quick and convenient.Certainly, the thread rotary orientation at 113 both ends of connector is also
Can be identical, it then needs to tighten left conical ring 111 and right conical ring 115 respectively in this way.
With reference to Fig. 2-Fig. 9, the Specific construction application method of the attachment device is as follows:
Step S100, anchor mouth 6 is docked with the pre-buried bellows 7 of i+1 section, i+1 section steel strand wires 4 pass through anchor mouth 6, anchor mouth
6 fix limit with surrounding reinforcing bar, specifically can be used and limit is welded and fixed, as shown in Figure 2；
Step S200, i-th section of steel strand wires 3 is corresponded to the first anchor hole and the work across the first porous anchor plate 8
Intermediate plate 10, and the first porous anchor plate 8 is fixed on i-th section of pre-buried anchor mouth 2, as shown in Figure 3；
Step S300, by every i-th section of steel strand wires 3 and the every anchor connection correspondingly respectively of i+1 section steel strand wires 4
In the both ends of single hole connector 11, until all i-th section of steel strand wires 3 and whole i+1 section steel strand wires 4 pass through corresponding single hole
The independent anchor connection of connector 11, as shown in Figure 4 and Figure 5；
Step S400, prestressed stretch-draw is carried out close to one end of the i-th+2 sections steel strand wires to every i+1 section steel strand wires 4, and
Check confirmation connection effect.As shown in fig. 6, the end of i+1 section steel strand wires 4 passes through the pre-buried anchor mouth 12 of i+1 section, to the end
Steel strand wires carry out stretch-draw anchor, complete segmented prestress wire connection.
Further, in the present embodiment, it after i+1 section steel strand wires 4 in the step s 100 pass through anchor mouth 6, also wraps
The second anchor hole that i+1 section steel strand wires 4 are passed through to the second porous anchor plate 5 is included, the second porous anchor plate 5 is fixed on anchor mouth 6
End, and the second porous anchor plate 5 also with reinforcing bar around is fixed limits, specifically can be used and limit be welded and fixed.Pass through second
Porous anchor plate 5 is further split i+1 section steel strand wires 4, makes i+1 section steel strand wires 4 and i-th section of steel strand wires 3 one by one
It is corresponding and conllinear, cross winding does not occur between adjacent steel strand wires, for single hole connector 11 connection further provide for it is enough
Installation space, and the connection of other single hole connectors 11 and the tensioning of single steel strand are not interfered.
Further, in the present embodiment, i-th section of steel strand wires 3 being corresponded across first in step s 200
It further include corresponding i-th section of steel strand wires 3 across limit after the first anchor hole and work clip sheet 10 of porous anchor plate 8
The through-hole of plate 9, limit plate 9 are fixed on the end of the first porous anchor plate 8, fall off for limiting work clip sheet 10.Certainly, may be used
To be not passed through limit plate 9, work clip sheet 10 is fixed on the first of the first porous anchor plate 8 by the tensioning of i-th section of steel strand wires 3
In anchor hole.
The attachment device can be applied in the reconnection processing of the prestressed concrete box girder of section cast-in-place construction.When existing
, there is steel strand wires stripped thread in the porous connector failure of the segmentation junction of the prestressed concrete box girder of some section cast-in-place constructions
When, i-th section of beam, which has been constructed, at this time finishes, and tensioning and grouting procedure is completed in prestress wire, and i+1 beam section concrete has poured
It builds, concrete strength has reached the requirement of prestressed concrete techniqres.In such cases, it is reconnected using the attachment device,
Specific construction step is as Figure 7-9, and docking anchor mouth 6 with the pre-buried bellows 7 of i+1 section in the step s 100 is also wrapped before
Include following steps:
Step S001, there is steel strand wires stripped thread with i+1 section concrete structural attachments to the i-th section concrete structure to fall off
Position windowing, since porous connector is embedded in concrete structure in advance, therefore, it is necessary to chisel concrete structure；Windowing length
60cm or so is spent, and other unspoiled steel strand connectors must not be destroyed；
Step S002, the whole porous connector for taking out stripped thread；
It carries out from step S100 to step S400, is further comprised the steps of: after step S400 again later
Step S500, after completing prestressed stretch-draw, protection is wrapped up in the space between the first porous anchor plate 8 and anchor mouth 6
Material, protection materials can be hard plastic board material, protect internal structure, and to blocking at gap, reserve grouting tube passage, i.e.,
Grout pipe 13 is reserved, as shown in Figure 7；
Step S600, split window portion position carries out concreting, concrete ratio used in the concrete structure newly poured
The high grade of concrete used in former xoncrete structure, and a certain amount of micro-expanding agent is mixed, to guarantee new-old concrete knot
It closes securely, and improves the intensity of novel concrete structure, as shown in Figure 8；
Etc. step S700, after windowing position concrete structure reaches desired strength, prestress wire pipeline is filled
Slurry process is in the milk especially by grout pipe 13 into prestress wire pipeline, and grouting is from grout pipe 13 into until filling up
Prestress wire pipeline is in the milk and is discharged from the grout outlet 14 for being located at pre-buried 12 position of anchor mouth of i+1 section, indicates that grouting finishes,
Pre-stress construction is completed.
In the reconnection processing for carrying out the prestressed concrete box girder of section cast-in-place construction, windowing range is small, takes out more
After hole connector, by the second porous anchor plate 5 and the first porous anchor plate 8 to i+1 section steel strand wires 4 and i-th section of steel strand wires 3
It is split, corresponds i+1 section steel strand wires 4 and i-th section of steel strand wires 3 and conllinear, do not handed between adjacent steel strand wires
Fork winding, provides enough installation spaces for the connection of single hole connector 11, and do not interfere the connection of other single hole connectors 11
With the tensioning of single steel strand, the strong operability of single hole connector 11 is easy to connect.Compared with the processing of existing reconnection,
The porous connector more renewed is not needed, is reduced costs.
Certainly, the attachment device in the application is in addition to that can apply the prestressed concrete box girder in section cast-in-place construction
It, can also be separately as the attachment device of connection segment formula steel strand wires in reconnection.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (8)
1. a kind of attachment device of segmented prestress wire, which is characterized in that successively include: along the direction constructed paragraph by paragraph
First porous anchor plate (8) is provided on the first porous anchor plate (8) and multiple are used for i-th section of steel strand wires (3) and pass through
The first anchor hole；
Work clip sheet (10), correspondence fixes the work clip sheet (10), each work in each first anchor hole
Make intermediate plate (10) for anchoring single i-th section of steel strand wires (3)；
Single hole connector (11), the both ends of the single hole connector (11) are respectively used to be connected and fixed single i-th section of steel strand
The end of the end of line (3) and single i+1 section steel strand wires (4)；
Anchor mouth (6) is anchored across the i+1 section steel strand wires (4), and for connecting with the pre-buried bellows of i+1 section (7).
2. the attachment device of segmented prestress wire according to claim 1, which is characterized in that further include being set to
Limit plate (9) between the first porous anchor plate (8) and the single hole connector (11) is arranged on the limit plate (9)
Have with the one-to-one through-hole of the first anchor hole, it is close that the limit plate (9) is fixed on the described first porous anchor plate (8)
One end of the single hole connector (11).
3. the attachment device of segmented prestress wire according to claim 1, which is characterized in that further include being set to
The second porous anchor plate (5) between the single hole connector (11) and the anchor mouth (6), the second porous anchor plate (5)
On be provided with multiple the second anchor holes for across the i+1 section steel strand wires (4), the second porous anchor plate (5) is solid
Due to the end of the anchor mouth (6).
4. the attachment device of segmented prestress wire according to claim 3, which is characterized in that first anchoring
Hole and second anchor hole correspond, and coaxial line.
5. the attachment device of segmented prestress wire according to claim 3, which is characterized in that first anchoring
Hole is uniformly distributed on the described first porous anchor plate (8), and second anchor hole is uniformly distributed in the described second porous anchor pad
On plate (5).
6. the attachment device of segmented prestress wire according to claim 1-5, which is characterized in that described
Anchor mouth (6) is tubaeform anchor mouth, and the big end of the tubaeform anchor mouth is towards the single hole connector (11).
7. the attachment device of segmented prestress wire according to claim 1-5, which is characterized in that described
Single hole connector (11) includes:
Connector (113), the connector (113) are hollow tubular structure, and the both ends periphery of the connector (113) is respectively set
There is screw thread；
Left intermediate plate (112) is cone structure, and the big end of the left intermediate plate (112) is connected to one end of the connector (113),
For passing through and anchoring the end of i-th section of steel strand wires (3)；
Right clamping piece (114), is cone structure, and the big end of the right clamping piece (114) is connected to the another of the connector (113)
End, for across and anchor the ends of the i+1 section steel strand wires (4)；
Left conical ring (111), has the taper hole with the cone match of the left intermediate plate (112), and the left conical ring (111) covers described
One end of left intermediate plate (112) and the connector (113), and connect with the threaded one end of the connector (113)；
Right conical ring (115), has the taper hole with the cone match of the right clamping piece (114), and the right conical ring (115) covers described
The other end of right clamping piece (114) and the connector (113), and be threadedly coupled with the other end of the connector (113).
8. the attachment device of segmented prestress wire according to claim 7, which is characterized in that the connector
(113) thread rotary orientation at both ends is opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN109423949A (en) * | 2017-08-24 | 2019-03-05 | 中冶长天国际工程有限责任公司 | A kind of attachment device and connection method of segmented prestress wire |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109423949A (en) * | 2017-08-24 | 2019-03-05 | 中冶长天国际工程有限责任公司 | A kind of attachment device and connection method of segmented prestress wire |
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Effective date of registration: 20200313 Address after: 480 lushong Road, Changsha hi tech Industrial Development Zone, Changsha, Hunan 410000 Co-patentee after: ZHONGYE CHANGTIAN INTERNATIONAL ENGINEERING Co.,Ltd. Patentee after: Hunan Hetian Engineering Project Management Co., Ltd Address before: 410006 No. 7 Festival Road, Changsha, Hunan, Yuelu District Patentee before: ZHONGYE CHANGTIAN INTERNATIONAL ENGINEERING Co.,Ltd. |
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