CN202278655U - Special tension gantry for box girder reinforcements in prefabricating yard - Google Patents
Special tension gantry for box girder reinforcements in prefabricating yard Download PDFInfo
- Publication number
- CN202278655U CN202278655U CN2011204224342U CN201120422434U CN202278655U CN 202278655 U CN202278655 U CN 202278655U CN 2011204224342 U CN2011204224342 U CN 2011204224342U CN 201120422434 U CN201120422434 U CN 201120422434U CN 202278655 U CN202278655 U CN 202278655U
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- girder
- bar
- auxiliary girder
- steel
- door pillar
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Abstract
The utility model provides a special tension gantry for box girder reinforcements in a prefabricating yard, which belongs to tension gantries for reinforcements, and is characterized by mainly comprising a left door pillar, a right door pillar, an upper cross beam, a lower cross beam, a front upper auxiliary beam, a rear upper auxiliary beam and a sliding shaft, wherein the left door pillar and the right door pillar are symmetrically arranged; both the left door pillar and the right door pillar comprise vertical beams and horizontal longitudinal beams vertical to the vertical beams and provided with downward-extending cantilevers; the upper cross beam is welded between the upper ends of the left and the right vertical beams; the lower cross beam is welded between the lower end of the left and the right vertical beams; a left supporting rod and a right supporting rod are respectively and correspondingly welded at the rear ends of the left and the right horizontal longitudinal beams and are arranged downwards vertically; the front upper auxiliary beam and the rear upper auxiliary beam are respectively arranged between notches of the left and the right horizontal longitudinal beams, arranged at an interval, and fixedly connected with each other by a pull rod; bearings are respectively mounted at the left ends and the right ends of the front and the rear upper auxiliary beams; the sliding shaft is arranged between the notches of the front and the rear upper auxiliary beams; bearings are respectively mounted at the front end and the rear end of the sliding shaft; and a tension oil cylinder is suspended on the sliding shaft, and is adjusted to be in a tension position accurately and quickly to implement the reinforcement tension operation.
Description
Technical field
The utility model belongs to the reinforced bar stretching door frame, especially relates to a kind of stretch-draw door frame of case beam steel.
Background technology
In the construction of infrastructure; Bridge is widely used; Bridge construction must have a high efficiency, high-quality bridge prefabrication field; In the prefabricated process of bridge member, the prestressed, reinforced stretch-draw of precast beam (plate) seems especially with important, and safety, efficient, high-quality, accurate reinforced bar stretching operation are the important symbols of bridge construction level.
Summary of the invention
The purpose of the utility model provides a kind of special-purpose stretch-draw door frame of precasting yard case beam steel, and is not only simple in structure, safe and reliable, easy to use; Both savings of work and time; Reduce construction cost, improve the construction production efficiency of precast beam again, thereby guarantee the construction period and the quality of bridge.
The purpose of the utility model realizes like this, and a kind of special-purpose stretch-draw door frame of precasting yard case beam steel is characterized in that the special-purpose stretch-draw door frame of this precasting yard case beam steel mainly is made up of auxiliary girder and slide-bar on left-hand door post, right door pillar, entablature, sill, preceding upward auxiliary girder, the back; This left-hand door post and right door pillar are symmetrical set; All be ┌ shape, this left-hand door post is identical with right door pillar structure, by upright beam and with upright beam perpendicular and cantilever after the horizontal girder assembly welding stretched form; The notch correspondence that this upright beam and horizontal girder are channel-section steel and left horizontal girder and right horizontal girder inwardly; The entablature that between the upper end of Zuo Liliang and right upright beam, is welded, the sill that between Zuo Liliang and the right lower end section of founding beam, is welded, horizonal base plate is welded respectively in the lower end of left and right upright beam; The left support bar and the right support bar of the corresponding vertical underlying that is welded respectively in the rear end of left horizontal girder and right horizontal girder; Assembly welding becomes steel construction piece, between left and right horizontal girder (channel-section steel) notch, install respectively to be set in distance and to go up auxiliary girder with the back with the preceding auxiliary girder of going up that pull bar is fixedly connected, and go up before this auxiliary girder on auxiliary girder and the back about end bearing is installed respectively and is made the corresponding support of this bearing on the channel-section steel lower wing plate of the left and right sides, make scroll forward and backward; Promptly preceding upward auxiliary girder is gone up auxiliary girder with the back and is moved forward and backward; This is forward and backward go up auxiliary girder also be channel-section steel and notch correspondence inwardly, go up before this auxiliary girder and afterwards on slide-bar is installed between the notch of auxiliary girder, this slide-bar can be round steel or steel pipe; Front and back end at this slide-bar is installed bearing respectively; And this bearing retainer is rolled about doing on the channel-section steel lower wing plate of front and back, promptly this slide-bar is made move left and right, on this slide-bar, hangs the stretch-draw oil cylinder with hook, rope.
During use; This door frame is placed on the outside, end of precast beam to be tensioned (plate); Left and right upright beam is dropped on the ground; And left and right they sup-port is on the upper surface of precast beam (plate) and in addition temporary fixed, through the forward and backward move left and right with slide-bar that moves forward and backward that goes up auxiliary girder, accurately and promptly the stretch-draw oil cylinder is adjusted to the stretch-draw operation that reinforcing bar is implemented in the stretch-draw position.
The special-purpose stretch-draw door frame of the precasting yard case beam steel that the utility model proposes, rational in infrastructure, easy to use and reliable, both saving of work and time had reduced construction cost, had improved the construction production efficiency of precast beam again, thereby had guaranteed the construction period and the quality of bridge.
Combine accompanying drawing and embodiment that the special-purpose stretch-draw door frame of the precasting yard case beam steel that the utility model proposed is further described at present.
Description of drawings
Fig. 1 is the schematic perspective view of the special-purpose stretch-draw door frame of the precasting yard case beam steel that proposes of the utility model.
Among Fig. 1: 1, auxiliary girder 6, preceding auxiliary girder 7, slide-bar 8, rope 9, right support bar 10, left support bar 11, left horizontal girder 12, right horizontal girder 13, the stretch-draw oil cylinder gone up on right upright beam 2, the upright beam 3 in a left side, sill 4, entablature 5, the back.
The specific embodiment
From Fig. 1, can find out: a kind of special-purpose stretch-draw door frame of precasting yard case beam steel; The special-purpose stretch-draw door frame that it is characterized in that this precasting yard case beam steel mainly is made up of auxiliary girder 5 and slide-bar 7 on left-hand door post, right door pillar, entablature 4, sill 3, preceding upward auxiliary girder 6, the back; This left-hand door post and right door pillar are symmetrical set, and all are ┌ shape, and this left-hand door post is identical with right door pillar structure; By upright beam and with upright beam perpendicular and cantilever after the horizontal girder assembly welding stretched form; This upright beam and horizontal girder are channel-section steel, and the notch correspondence of left horizontal girder 11 and right horizontal girder 12 inwardly, and entablature 4 is welded between the upper end of Zuo Liliang 2 and right upright beam 1; Sill 3 is welded between the lower end section of Zuo Liliang 2 and right upright beam 1; The horizonal base plate that is welded respectively in the lower end of left and right upright beam 2,1, the left support bar 10 and right support bar 9 of the corresponding vertical underlying that is welded respectively in the rear end of left horizontal girder 11 and right horizontal girder 12, assembly welding becomes steel construction piece; Between left and right horizontal girder 11,12 (channel-section steel) notch, install respectively and be set in distance and go up auxiliary girder 5 with the back with the preceding auxiliary girder 6 of going up that pull bar is fixedly connected; And go up before this auxiliary girder 5 on auxiliary girder 6 and the back about end bearing is installed respectively and is made the corresponding support of this bearing on the channel-section steel lower wing plate of the left and right sides, make scroll forward and backward, go up auxiliary girder 6 before promptly and go up auxiliary girder 5 with the back and move forward and backward, this forward and backward upward auxiliary girder 6,5 also be channel-section steel and notch correspondence inwardly; Between the notch of going up before this auxiliary girder 5 on auxiliary girder 6 and the back, slide-bar 7 is installed; This slide-bar 7 can be round steel or steel pipe, in the front and back end of this slide-bar 7 bearing is installed respectively, and this bearing retainer is rolled about doing on the channel-section steel lower wing plate of front and back; Be that this slide-bar 7 is made move left and right, on this slide-bar 7, hang stretch-draw oil cylinder 13 with hook, rope 8.
During use; This door frame is placed on the outside, end of precast beam to be tensioned (plate); Left and right upright beam 2,1 is dropped on the ground; And left and right support bar 10,9 is supported on the upper surface of precast beam (plate) and in addition temporary fixed, through the forward and backward move left and right with slide-bar 7 that moves forward and backward that goes up auxiliary girder 6,5, accurately and promptly stretch-draw oil cylinder 13 is adjusted to the stretch-draw operation that reinforcing bar is implemented in the stretch-draw position.
Claims (2)
1. the special-purpose stretch-draw door frame of a precasting yard case beam steel; The special-purpose stretch-draw door frame that it is characterized in that this precasting yard case beam steel mainly is made up of auxiliary girder (5) and slide-bar (7) on left-hand door post, right door pillar, entablature (4), sill (3), preceding upward auxiliary girder (6), the back; This left-hand door post and right door pillar are symmetrical set; All be ┌ shape; This left-hand door post is identical with right door pillar structure; By upright beam and with upright beam perpendicular and cantilever after the horizontal girder assembly welding stretched form; The notch correspondence that this upright beam and horizontal girder are channel-section steel and left horizontal girder (11) and right horizontal girder (12) inwardly, the entablature (4) that between the upper end of Zuo Liliang (2) and right upright beam (1), is welded, sill (3) is welded between Zuo Liliang (2) and the right lower end section of founding beam (1); Horizonal base plate is welded respectively in the lower end of left and right upright beam (2,1); Left support bar (10) and the right support bar (9) of the corresponding vertical underlying that is welded respectively in the rear end of left horizontal girder (11) and right horizontal girder (12), assembly welding becomes steel construction piece, between left and right horizontal girder (11,12) notch, install respectively be set in distance and with pull bar be fixedly connected preceding go up auxiliary girder (6) with after last auxiliary girder (5); And go up before this auxiliary girder (6) and back go up auxiliary girder (5) about end bearing is installed respectively and is made the corresponding support of this bearing on the channel-section steel lower wing plate of the left and right sides; This is forward and backward go up auxiliary girder (6,5) also be channel-section steel and notch correspondence inwardly, go up before this auxiliary girder (6) with after on slide-bar (7) is installed between the notch of auxiliary girder (5), in the front and back end of this slide-bar (7) bearing is installed respectively; And make this bearing retainer on the channel-section steel lower wing plate of front and back, go up with hook, rope (8) at this slide-bar (7) and hang stretch-draw oil cylinder (13).
2. the special-purpose stretch-draw door frame of precasting yard case beam steel according to claim 1 is characterized in that this slide-bar (7) is round steel or steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204224342U CN202278655U (en) | 2011-10-31 | 2011-10-31 | Special tension gantry for box girder reinforcements in prefabricating yard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204224342U CN202278655U (en) | 2011-10-31 | 2011-10-31 | Special tension gantry for box girder reinforcements in prefabricating yard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202278655U true CN202278655U (en) | 2012-06-20 |
Family
ID=46224837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204224342U Expired - Lifetime CN202278655U (en) | 2011-10-31 | 2011-10-31 | Special tension gantry for box girder reinforcements in prefabricating yard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202278655U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110978260A (en) * | 2019-12-25 | 2020-04-10 | 河间市银龙轨道有限公司 | Device of encorbelmenting, moving mechanism and system of encorbelmenting |
-
2011
- 2011-10-31 CN CN2011204224342U patent/CN202278655U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110978260A (en) * | 2019-12-25 | 2020-04-10 | 河间市银龙轨道有限公司 | Device of encorbelmenting, moving mechanism and system of encorbelmenting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120620 |
|
| CX01 | Expiry of patent term |