CN103266564A - Plug pin type steel strand limiting device - Google Patents
Plug pin type steel strand limiting device Download PDFInfo
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- CN103266564A CN103266564A CN2013102096790A CN201310209679A CN103266564A CN 103266564 A CN103266564 A CN 103266564A CN 2013102096790 A CN2013102096790 A CN 2013102096790A CN 201310209679 A CN201310209679 A CN 201310209679A CN 103266564 A CN103266564 A CN 103266564A
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- steel strand
- top rail
- lower transverse
- transverse beam
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Abstract
The invention discloses a plug pin type steel strand limiting device and belongs to the field of constructional engineering. The plug pin type steel strand limiting device comprises a fixed beam and a movable beam. The fixed beam comprises a first upper beam, a first lower beam, a vertical board and a support. A cavity is formed in the first upper beam. The cross section of the cavity is T-shaped. A rectangular cavity is formed in the first lower beam. The first upper beam and the first lower beam are arranged in a vertically parallel mode. The movable beam comprises a second upper beam, a second lower beam, an idler wheel and a rear seat. The second upper beam and the second lower beam are arranged in a vertically parallel mode. One end of the second upper beam and one end of the second lower beam are both fixed on the rear seat. According to the plug pin type steel strand limiting device, a combined structure is adopted, the limiting distance can be adjusted according to the number of steel strands, broken steel strands are effectively prevented from flying and hurting people, operation is simple and convenient, and occupied space is small.
Description
Technical field
The invention belongs to building engineering field, more particularly, relate to a kind of bolt-type steel strand stopping means.
Background technology
Prestressed concrete is through the development of over half a century and progressively ripe along with prestressing technique, and having broken through concrete can not tension and the constraint of cracking, has expanded its range of application greatly.At present, prestressed concrete has become the topmost a kind of structural meterials of domestic and abroad bridge engineering, for the bigger bridge of span, employed prestressing steel mostly is steel strand, but disadvantages such as weight is big, easy-to-rust that these class steel still have, the stretching process that adds steel strand is to carry out the external of stretch-draw crossbeam, need acceptance from the pulling force of the big ton amount of hydraulic tests such as jack, very easily stress is concentrated etc. former thereby accident such as burst apart, fracture, and the steel wire of bounce-back can produce great life danger to construction workman on every side.The steel wire of some bounce-back rebound the people on the face or on one's body, the lighter can cause skin trauma, weight person then may threat to life.How but existing equipment the time has only considered that in design each can better stretching steel strand, seldom considers the problem of steel strand fracture back bounce-back.For example: China Patent No. is 201220019698.8, open day is on October 3rd, 2012, disclose the patent document that a name is called two dimension prestressing antifatigue girder steel, this invention is made of girder steel, prestress wire, arc cushion block, plain cushion piece, prestressed high-strength bolt, nut, crimping anchor head, bearing stiffener and bearing.Be that two steel strand with symmetric arrangement apply the girder steel longitudinal prestressing at the web place of the nearly bottom flange of girder steel, and in the beam length range, be symmetrical in the web both sides, with high-strength bolt girder steel is applied transverse prestress with suitable spacing.Under this two dimension prestressing effect, the girder steel bottom flange does not enter under Fatigue Load and is subjected to tensile stress state, web sloping section main stress bar under the shearing action that wheel load produces does not enter tension state yet, thereby guarantees that the girder steel edge of a wing and web all can not produce fatigue failure.Thereby make the girder steel of being controlled by fatigue capacity can effectively utilize high-strength steel, economize on resources, improve safety, stop fatigue failure.
China Patent No. is 02235214.7, open day is on December 25th, 2002, the patent document that a name is called prestressed large-span solid abdomen steel beam structure system is disclosed, this disclosure of the Invention a kind of prestressed large-span solid abdomen steel beam structure system, the single span girder steel or the multispan continuous steel beam that comprise I-shaped or box section, and in the both sides of its steel beam web plate, be provided with two groups of symmetrical presstressed reinforcing steels along its length direction, these presstressed reinforcing steel both ends are anchored on the ground tackle that is fixed on the girder steel.Every group of presstressed reinforcing steel be a branch of more than, elongated or only bear the bigger position of tensile stress at girder steel and arrange along girder steel, it can be parallel with steel beam web plate or be an angle with steel beam web plate.Presstressed reinforcing steel is bent and pass preformed hole on the frange plate, increases on the girder steel frange plate that it is corresponding with the presstressed reinforcing steel bending place and the web to be welded with the gusset of putting more energy into.The steel structure girder installation in position and fixing after, girder steel applied prestressing force constitute prestressed large-span solid abdomen steel beam structure system by two groups of presstressed reinforcing steels being carried out stretch-draw, can be used for the bigger steel building of beam span or bridge etc.
Above-mentioned girder steel is used very extensive in the manufacture process of the big bridge of span; steel strand are in the external tension of girder steel; it is in work progress; need the workman to operate to adjust the connecting portion of steel strand; so in case steel strand are broken and are rebounded; then can not prevent the protective device that steel strand rebound because fractureing because of prior art, the steel strand that collapse can threaten to workman's life security.
Summary of the invention
1, the problem that will solve
At the above-mentioned problems in the prior art, the invention provides a kind of bolt-type steel strand stopping means, it adopts fabricated structure, two parts crossbeam can cooperate and fits together, can adjust spacing distance according to the quantity of steel strand, easy to operate, can prevent from effectively that post-rift steel strand from flying up to hurt sb.'s feelings.
2, technical scheme
In order to address the above problem, the technical solution adopted in the present invention is as follows.
A kind of bolt-type steel strand stopping means comprises fixed cross beam, moved cross beam, and described fixed cross beam comprises first top rail, first lower transverse beam, vertical plate and supporting seat; Be provided with cavity in described first top rail, the cross section of described cavity is T shape; Be provided with rectangular enclosure in described first lower transverse beam; Described supporting seat is positioned at the lower end of first lower transverse beam; Described first top rail, first lower transverse beam be arranged in parallel up and down; One end of described first top rail, first lower transverse beam all is fixed on the vertical plate; Described moved cross beam comprises second top rail, second lower transverse beam, roller, back seat, and the cross section of described second top rail is T shape, and the cross section of second lower transverse beam is rectangle; Described roller is located at the lower end of back seat; Described second top rail, second lower transverse beam be arranged in parallel up and down; One end of described second top rail, second lower transverse beam all is fixed on the back seat.
Further, described supporting seat is in the bilateral symmetry setting of fixed cross beam.
Further, described supporting seat is cuboid.
Further, described roller has 2.
Further, the spacing of described first top rail and first lower transverse beam is 3cm.
Further, the spacing of the spacing of described second top rail and second lower transverse beam and cavity and rectangular enclosure is identical.
3, beneficial effect
Adopt technical scheme provided by the invention, compare with existing technology, have following beneficial effect:
(1) bolt-type steel strand stopping means of the present invention, comprise fixed cross beam, moved cross beam, described moved cross beam can be inserted in the fixed cross beam, adopt fabricated structure, can adjust spacing distance according to the quantity of steel strand, the steel crossbeam can effectively limit the steel strand that break and fly up and hurt sb.'s feelings, easy and simple to handle, it is little to take up an area of the space, and conveniently moving, fixation;
(2) top rail of the fixed cross beam of bolt-type steel strand stopping means of the present invention is provided with the cavity that cross section is T shape, the top rail of the moved cross beam that can be effectively spacing cooperates with it;
(3) bolt-type steel strand stopping means supporting seat of the present invention arranges in the fixed cross beam bilateral symmetry, and is more firm in use;
(4) spacing of first top rail of bolt-type steel strand stopping means of the present invention and first lower transverse beam is 3cm, can be accurately spacing to steel strand.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the cross sectional representation of cavity.
Fig. 3 is the cross sectional representation of second top rail.
Among the figure: 1, fixed cross beam; 2, moved cross beam; 3, second top rail; 4, cavity; 5, rectangular enclosure; 6, second lower transverse beam; 7, roller; 8, supporting seat; 9, back seat; 10, first top rail; 11, first lower transverse beam.
The specific embodiment
For the ease of it will be appreciated by those skilled in the art that below in conjunction with accompanying drawing invention is further described.
As Fig. 1, Fig. 2, shown in Figure 3, a kind of bolt-type steel strand stopping means comprises fixed cross beam 1, moved cross beam 2, and fixed cross beam 1 comprises first top rail 10, first lower transverse beam 11, vertical plate and supporting seat 8; Be provided with cavity 4 in first top rail 10, the cross section of cavity 4 is T shape; Be provided with rectangular enclosure 5 in first lower transverse beam 11; Supporting seat 8 is positioned at the lower end of first lower transverse beam 11; First top rail 10, first lower transverse beam 11 be arranged in parallel up and down; One end of first top rail 10, first lower transverse beam 11 all is fixed on the vertical plate; Moved cross beam 2 comprises that the cross section of second top rail 3, second lower transverse beam 6, roller 7, back seat 9, the second top rails 3 is T shape, and the cross section of second lower transverse beam 6 is rectangle; Second top rail 3, second lower transverse beam 6 be arranged in parallel up and down; One end of second top rail 3, second lower transverse beam 6 all is fixed on the back seat 9; Roller 7 is located at the lower end of back seat 9.
Supporting seat 8 is in the bilateral symmetry setting of fixed cross beam 1; Supporting seat 8 is cuboid; Roller 7 has 2; The spacing of first top rail 10 and first lower transverse beam 11 is 3cm; Second top rail 3 is identical with the spacing of rectangular enclosure 5 with spacing and the cavity 4 of second lower transverse beam 6.
Before steel strand are carried out stretch-draw, junction at steel strand and finish rolling screw thread, fixed cross beam 1 horizontal vertical sleeve is on steel wire bundle, steel strand are between lower and upper cross-member, lower and upper cross-member with moved cross beam 2 is enclosed within on the steel strand from opposite side again, and in the cavity of the corresponding insertion of the lower and upper cross-member of moved cross beam 2 fixed cross beam 1, this moment, fixed cross beam 1 constituted a rectangular frame with moved cross beam 2 then, rectangular enclosure of inner formation, steel strand pass this rectangular enclosure.
Above content only is to structure example of the present invention and explanation; under those skilled in the art described specific embodiment is made various modifications or replenish or adopt similar mode to substitute; only otherwise depart from the design of invention or surmount the defined scope of these claims, all should belong to protection scope of the present invention.
Claims (6)
1. bolt-type steel strand stopping means, it is characterized in that: comprise fixed cross beam (1), moved cross beam (2), described fixed cross beam (1) comprises first top rail (10), first lower transverse beam (11), vertical plate and supporting seat (8); Be provided with cavity (4) in described first top rail (10), the cross section of described cavity (4) is T shape; Be provided with rectangular enclosure (5) in described first lower transverse beam (11); Described supporting seat (8) is positioned at the lower end of first lower transverse beam (11); Described first top rail (10), first lower transverse beam (11) be arranged in parallel up and down; One end of described first top rail (10), first lower transverse beam (11) all is fixed on the vertical plate; Described moved cross beam (2) comprises second top rail (3), second lower transverse beam (6), roller (7), back seat (9), and the cross section of described second top rail (3) is T shape, and the cross section of second lower transverse beam (6) is rectangle; Described second top rail (3), second lower transverse beam (6) be arranged in parallel up and down; One end of described second top rail (3), second lower transverse beam (6) all is fixed on the back seat (9); Described roller (7) is located at the lower end of back seat (9).
2. according to the described bolt-type steel strand of claim 1 stopping means, it is characterized in that: described supporting seat (8) is in the bilateral symmetry setting of fixed cross beam (1).
3. according to the described bolt-type steel strand of claim 2 stopping means, it is characterized in that: described supporting seat (8) is cuboid.
4. according to the described bolt-type steel strand of claim 1 stopping means, it is characterized in that: described roller (7) has 2.
5. according to the described bolt-type steel strand of claim 1 stopping means, it is characterized in that: described first top rail (10) is 3cm with the spacing of first lower transverse beam (11).
6. according to the described bolt-type steel strand of claim 5 stopping means, it is characterized in that: described second top rail (3) is identical with the spacing of rectangular enclosure (5) with spacing and the cavity (4) of second lower transverse beam (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310209679.0A CN103266564B (en) | 2013-05-31 | 2013-05-31 | A kind of plug pin type steel strand stopping means |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310209679.0A CN103266564B (en) | 2013-05-31 | 2013-05-31 | A kind of plug pin type steel strand stopping means |
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| CN103266564A true CN103266564A (en) | 2013-08-28 |
| CN103266564B CN103266564B (en) | 2015-09-09 |
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| CN201310209679.0A Expired - Fee Related CN103266564B (en) | 2013-05-31 | 2013-05-31 | A kind of plug pin type steel strand stopping means |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2077008U (en) * | 1990-09-21 | 1991-05-15 | 海城市验军机械厂 | Inherent stress drawing die machine |
| JPH04223248A (en) * | 1990-12-26 | 1992-08-13 | Hitachi Cable Ltd | Stranded wire vibration fatigue test method |
| CN2547816Y (en) * | 2002-05-31 | 2003-04-30 | 柳州海威姆建筑机械有限公司 | Steel strand erecting equipment |
| CN2553005Y (en) * | 2002-07-18 | 2003-05-28 | 大理交通运输集团公司公路交通工程公司 | Movable barrier for central separating lane |
| KR20070025606A (en) * | 2005-09-02 | 2007-03-08 | 프레이씨네 | Civil construction including cable-side saddles and saddles thereon |
| CN200999323Y (en) * | 2007-02-06 | 2008-01-02 | 同济大学 | Replaceable suspender device for medium and under-through arch bridges |
| JP2009263129A (en) * | 2008-04-22 | 2009-11-12 | Masao Tabuchi | Steel stranded wire delivery device |
| CN201581646U (en) * | 2009-12-18 | 2010-09-15 | 飞渭 | Door counter-force frame and press-bar pedestal composite fiber reinforcement prestress stretch-draw device |
| CN102587267A (en) * | 2012-04-06 | 2012-07-18 | 浙江大学 | Tension-fabricated bridge with prestressed hollow-plate-girders and middle transverse partitions and construction method of tension-fabricated bridge with prestressed hollow-plate-girder and middle transverse partitions |
| CN102943437A (en) * | 2012-12-04 | 2013-02-27 | 中铁二十一局集团有限公司 | Device for limiting and protecting anchoring end of vertical steel strand |
| CN203411899U (en) * | 2013-05-31 | 2014-01-29 | 中交二航局第四工程有限公司安徽分公司 | Bolt type steel strand limiting device |
-
2013
- 2013-05-31 CN CN201310209679.0A patent/CN103266564B/en not_active Expired - Fee Related
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2077008U (en) * | 1990-09-21 | 1991-05-15 | 海城市验军机械厂 | Inherent stress drawing die machine |
| JPH04223248A (en) * | 1990-12-26 | 1992-08-13 | Hitachi Cable Ltd | Stranded wire vibration fatigue test method |
| CN2547816Y (en) * | 2002-05-31 | 2003-04-30 | 柳州海威姆建筑机械有限公司 | Steel strand erecting equipment |
| CN2553005Y (en) * | 2002-07-18 | 2003-05-28 | 大理交通运输集团公司公路交通工程公司 | Movable barrier for central separating lane |
| KR20070025606A (en) * | 2005-09-02 | 2007-03-08 | 프레이씨네 | Civil construction including cable-side saddles and saddles thereon |
| CN200999323Y (en) * | 2007-02-06 | 2008-01-02 | 同济大学 | Replaceable suspender device for medium and under-through arch bridges |
| JP2009263129A (en) * | 2008-04-22 | 2009-11-12 | Masao Tabuchi | Steel stranded wire delivery device |
| CN201581646U (en) * | 2009-12-18 | 2010-09-15 | 飞渭 | Door counter-force frame and press-bar pedestal composite fiber reinforcement prestress stretch-draw device |
| CN102587267A (en) * | 2012-04-06 | 2012-07-18 | 浙江大学 | Tension-fabricated bridge with prestressed hollow-plate-girders and middle transverse partitions and construction method of tension-fabricated bridge with prestressed hollow-plate-girder and middle transverse partitions |
| CN102943437A (en) * | 2012-12-04 | 2013-02-27 | 中铁二十一局集团有限公司 | Device for limiting and protecting anchoring end of vertical steel strand |
| CN203411899U (en) * | 2013-05-31 | 2014-01-29 | 中交二航局第四工程有限公司安徽分公司 | Bolt type steel strand limiting device |
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| CN103266564B (en) | 2015-09-09 |
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Granted publication date: 20150909 Termination date: 20190531 |