CN108193883A - Flat hogging moment steel strand wires jack - Google Patents
Flat hogging moment steel strand wires jack Download PDFInfo
- Publication number
- CN108193883A CN108193883A CN201810016707.XA CN201810016707A CN108193883A CN 108193883 A CN108193883 A CN 108193883A CN 201810016707 A CN201810016707 A CN 201810016707A CN 108193883 A CN108193883 A CN 108193883A
- Authority
- CN
- China
- Prior art keywords
- jack
- steel strand
- strand wires
- flat
- ontology
- 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.)
- Pending
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/12—Mounting of reinforcing inserts; Prestressing
- E04G21/121—Construction of stressing jacks
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention provides a kind of flat hogging moment steel strand wires jack, including jack ontology, lashing hole, anchorage, intermediate plate and tensioning backhaul, the quantity at least two in the lashing hole, and are arranged in the jack body interior and pass through the jack ontology；The anchorage is arranged in the both sides that the jack ontology is passed through by the lashing hole, for being secured across the steel strand wires in the lashing hole；The intermediate plate is arranged on one of edge of the anchorage, for the anchorage to be assisted to fix the steel strand wires；And the tensioning backhaul is arranged in the jack body interior close to the jack ontology outer edge, for the steel strand wires to be made to carry out tensioning.The flat hogging moment steel strand wires jack of the disclosure is capable of all steel strand wires of disposable stretching notch, so improving work efficiency, reducing working strength and improving effect.
Description
Technical field
The invention belongs to technical field of building construction, specifically, the present invention relates to a kind of flat hogging moment steel strand wires
Jack.
Background technology
In highway bridge construction field, the prestressing force of beam slab is the main use for undertaking superstructure dead weight and traffic load
Power.Wherein, the tensioning for undertaking the main prestressed steel strand wires of beam slab directly affects the capability and performance of beam slab.Of steel strand wires
It draws mainly by using linear type centre-hole jack, and in the hogging moment tension slot groove of the beam body upper end of beam slab, use is whole
The centre-hole jack of body tension is because of capacity issue, it is impossible to normal security protection, and usually using the punching thousand of single tendon stretch
Jin top effect is relatively low, and workload is too big.
Specifically, what the tensioning work of existing beam slab hogging moment steel strand wires was usually used is the punching thousand of single tendon stretch
Jin top, which is to pass through single hogging moment steel strand wires from jack center, then using intermediate plate lock steel strand wires, thousand
Hydraulic oil progress extended length is added in jin top and starts tensioning work, after tensioning requirement to be achieved, hydraulic oil is returned in oil pump,
Jack is made to be retracted into original state, removes intermediate plate, then carries out the tensioning of an other steel strand wires, it is impossible to meet existing
The needs of highway bridge construction.
Invention content
The present invention is directed to the disadvantages mentioned above of existing way, proposes a kind of flat hogging moment steel strand wires jack, specific detailed
Feelings are as follows：
The flat hogging moment steel strand wires jack is returned including jack ontology, lashing hole, anchorage, intermediate plate and tensioning
Journey,
The quantity at least two in the lashing hole, and be arranged in the jack body interior and pass through the jack sheet
Body；
The anchorage is arranged in the both sides that the jack ontology is passed through by the lashing hole, for being secured across the steel in the lashing hole
Twisted wire；
The intermediate plate is arranged on one of edge of the anchorage, for the anchorage to be assisted to fix the steel strand wires；And
The tensioning backhaul is arranged in the jack body interior close to the jack ontology outer edge, for twisting the steel
Line carries out tensioning.
Preferably, which includes the notch of both sides, wherein
The shape of the notch includes at least one of triangle, rectangle and circle shape.
Preferably, which can detach with the jack ontology, and the jack sheet can be fixed on by the intermediate plate
On body.
Preferably, fulcrum is disposed on the side of the jack ontology, and passes through the fulcrum, which can be to this
Steel strand wires are carried out firmly so as to carry out tensioning and backhaul.
Preferably, the both ends contacted at the top of the jack with the anchorage have protruding portion, the protruding portion and the jack sheet
Body by integral forming, so that the jack ontology is combined closely with the anchorage.
Preferably, it is the relationship of parallel arrangement between multiple lashing holes.
Preferably, which is bent upwards arrangement in the region of the at one end of the jack ontology.
Preferably, which is to be bent upwards arrangement by limiting plate in the region of the at one end of the jack ontology
, wherein, which is integrally formed with the jack ontology.
Preferably, the angle which is bent upwards in the region of the at one end of the jack ontology is 8 ° -12 °.
Preferably, the angle which is bent upwards in the region of the at one end of the jack ontology is 10 °.
Flat hogging moment steel strand wires jack disclosed by the invention, can reuse, and can use to other
The steel strand tension work of structure type.The disclosure is capable of all steel strand wires of disposable stretching notch, so improving work
Efficiency reduces working strength and improves effect.In addition the disclosure avoids the quality problems that steel strand wires are carried out with nest folding, carries
High construction quality simultaneously increases bridge service life.
The additional aspect of the present invention and advantage will be set forth in part in the description, these will become from the following description
It obtains significantly or is recognized by the practice of the present invention.
Description of the drawings
Above-mentioned and/or additional aspect and advantage of the invention will become from the following description of the accompanying drawings of embodiments
Significantly and it is readily appreciated that, wherein：
Fig. 1 is the plan structure sectional view of a wherein embodiment for the flat hogging moment steel strand wires jack of the present invention.
Fig. 2 is the construction profile of a wherein embodiment for the flat hogging moment steel strand wires jack of the present invention.
Specific embodiment
The embodiment of the present invention is described below in detail, the example of the embodiment is shown in the drawings, wherein phase from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached drawing
The embodiment of description is exemplary, and is only used for explaining the present invention, and is not construed as limiting the claims.
Those skilled in the art of the present technique are appreciated that unless otherwise defined all terms used herein are (including technology art
Language and scientific terminology), there is the meaning identical with the general understanding of the those of ordinary skill in fields of the present invention.Should also
Understand, those terms such as defined in the general dictionary, it should be understood that have in the context of the prior art
The consistent meaning of meaning, and unless by specific definitions as here, the meaning of idealization or too formal otherwise will not be used
To explain.
It, can not because volume is big in order to solve traditional equipment in bridge construction field during steel strand wires in tensioning beam body
The problem of being placed in hogging moment steel strand tension notch discloses the flat hogging moment steel strand wires jack of the present invention.
According to one embodiment of present invention, as depicted in figs. 1 and 2, the flat hogging moment steel strand wires of the disclosure are very heavy
Top, including jack ontology 01, lashing hole 02, anchorage 03, intermediate plate 04 and tensioning backhaul 05, wherein,
The quantity at least two in the lashing hole 02, and be arranged in 01 inside of jack ontology and pass through the jack
Ontology 01；
The anchorage 03 is arranged in the both sides that the jack ontology 01 is passed through by the lashing hole 02, for being secured across the lashing
The steel strand wires in hole 02；
The intermediate plate 04 is arranged on one of edge of the anchorage 03, for the anchorage 03 to be assisted to fix the steel strand wires；
And
The tensioning backhaul 05 is arranged in 01 inside of jack ontology close to 01 outer edge of jack ontology, for making
The steel strand wires carry out tensioning.
The lashing hole 02 includes the notch of both sides in one of the embodiments, wherein
The shape of the notch includes at least one of triangle, rectangle and circle shape.
In one embodiment, which can detach with the jack ontology 01, and can be solid by the intermediate plate 04
It is scheduled on the jack ontology 01.
In one embodiment, fulcrum is disposed on the side of the jack ontology 01, and passes through the fulcrum, which returns
Journey 05 can be carried out the steel strand wires firmly so as to carry out tensioning and backhaul.
In one embodiment, the both ends which contacts with the anchorage 03 have protruding portion, this is prominent
Go out portion to be integrally formed with the jack ontology 01, so that the jack ontology 01 is combined closely with the anchorage 03.
In one embodiment, it is the relationship of parallel arrangement between multiple lashing holes 02.
In one embodiment, which is bent upwards arrangement in the region of the at one end of the jack.
Specifically, which realized by limiting plate 06, and wherein the limiting plate and the jack ontology are integrally formed.
In one embodiment, the angle which is bent upwards in the region of the at one end of the jack ontology 01
Spend is 8 ° -12 °.Preferably, which is 10 °.
It the above is only some embodiments of the present invention, it is noted that those skilled in the art are come
It says, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should be regarded as
Protection scope of the present invention.
Claims (10)
1. a kind of flat hogging moment steel strand wires jack is returned including jack ontology, lashing hole, anchorage, intermediate plate and tensioning
Journey, which is characterized in that
The quantity at least two in the lashing hole, and be arranged in the jack body interior and pass through the jack sheet
Body；
The anchorage is arranged in the both sides that the jack ontology is passed through by the lashing hole, for being secured across the lashing hole
Steel strand wires；
The intermediate plate is arranged on one of edge of the anchorage, for the anchorage to be assisted to fix the steel strand wires；With
And
The tensioning backhaul is arranged in the jack body interior close to the jack ontology outer edge, described for making
Steel strand wires carry out tensioning.
2. flat hogging moment steel strand wires jack according to claim 1, which is characterized in that the lashing hole includes two
The notch of side, wherein
The shape of the notch includes at least one of triangle, rectangle and circle shape.
3. flat hogging moment steel strand wires jack according to claim 1, which is characterized in that the anchorage can be with institute
The separation of jack ontology is stated, and can be fixed on by the intermediate plate on the jack ontology.
4. flat hogging moment steel strand wires jack according to claim 1, which is characterized in that the jack ontology
Fulcrum is disposed on side, and passes through the fulcrum, the tensioning backhaul can be carried out the steel strand wires firmly so as to carry out
Tensioning and backhaul.
5. flat hogging moment steel strand wires jack according to claim 1, which is characterized in that the jack ontology top
The both ends that portion is contacted with the anchorage have protruding portion, the protruding portion and described this body by integral forming of jack, so that
The jack ontology is combined closely with the anchorage.
6. flat hogging moment steel strand wires jack according to claim 1, which is characterized in that multiple lashing holes it
Between be parallel arrangement relationship.
7. according to any flat hogging moment steel strand wires jack of claim 1-6, which is characterized in that the lashing hole
Arrangement is bent upwards in the region of the at one end of the jack ontology.
8. flat hogging moment steel strand wires jack according to claim 7, which is characterized in that the lashing hole is described
It is that arrangement is bent upwards by limiting plate in the region of the at one end of jack ontology, wherein, the limiting plate and described thousand
Jin top ontology is integrally formed.
9. flat hogging moment steel strand wires jack according to claim 7, which is characterized in that the lashing hole is described
The angle being bent upwards in the region of the at one end of jack ontology is 8 ° -12 °.
10. flat hogging moment steel strand wires jack according to claim 9, which is characterized in that the lashing hole is in institute
It is 10 ° to state the angle being bent upwards in the region of the at one end of jack ontology.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810016707.XA CN108193883A (en) | 2018-01-08 | 2018-01-08 | Flat hogging moment steel strand wires jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810016707.XA CN108193883A (en) | 2018-01-08 | 2018-01-08 | Flat hogging moment steel strand wires jack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108193883A true CN108193883A (en) | 2018-06-22 |
Family
ID=62588635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810016707.XA Pending CN108193883A (en) | 2018-01-08 | 2018-01-08 | Flat hogging moment steel strand wires jack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108193883A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112240002A (en) * | 2019-07-17 | 2021-01-19 | 天津联东兴达科技有限公司 | Full-automatic hydraulic steel strand tractor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2597610Y (en) * | 2003-01-28 | 2004-01-07 | 山东建筑工程学院 | Towing equipment for translation of whole building |
| CN202063668U (en) * | 2011-01-28 | 2011-12-07 | 安徽金星预应力工程技术有限公司 | Jack of integrated anchor tool |
| CN202625726U (en) * | 2012-05-16 | 2012-12-26 | 李金岭 | Large-tonnage jacking-pressing type front-clamping jack |
| CN203199934U (en) * | 2013-04-17 | 2013-09-18 | 周启武 | Front-clamping type tensioning jack |
| CN203682979U (en) * | 2013-12-31 | 2014-07-02 | 合肥杨晨工程技术有限公司 | Anchor group front clamping type jack |
-
2018
- 2018-01-08 CN CN201810016707.XA patent/CN108193883A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2597610Y (en) * | 2003-01-28 | 2004-01-07 | 山东建筑工程学院 | Towing equipment for translation of whole building |
| CN202063668U (en) * | 2011-01-28 | 2011-12-07 | 安徽金星预应力工程技术有限公司 | Jack of integrated anchor tool |
| CN202625726U (en) * | 2012-05-16 | 2012-12-26 | 李金岭 | Large-tonnage jacking-pressing type front-clamping jack |
| CN203199934U (en) * | 2013-04-17 | 2013-09-18 | 周启武 | Front-clamping type tensioning jack |
| CN203682979U (en) * | 2013-12-31 | 2014-07-02 | 合肥杨晨工程技术有限公司 | Anchor group front clamping type jack |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112240002A (en) * | 2019-07-17 | 2021-01-19 | 天津联东兴达科技有限公司 | Full-automatic hydraulic steel strand tractor |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180622 |