CN201292674Y - Pull cable head stretching oblique-splicing reaction frame - Google Patents
Pull cable head stretching oblique-splicing reaction frame Download PDFInfo
- Publication number
- CN201292674Y CN201292674Y CNU2008201612630U CN200820161263U CN201292674Y CN 201292674 Y CN201292674 Y CN 201292674Y CN U2008201612630 U CNU2008201612630 U CN U2008201612630U CN 200820161263 U CN200820161263 U CN 200820161263U CN 201292674 Y CN201292674 Y CN 201292674Y
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- stiffening rib
- stretch
- draw
- force transmission
- transmission beam
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Abstract
A stretch-draw mitred reaction frame of an inhaul cable joint comprises an upper plate (1), a lower base (2), a central tube (3) and ribbed stiffeners (4), wherein the upper plate (1) and the lower base (2) are respectively fixed at the upper side and the lower side of the central tube (3); the ribbed stiffeners (4) include vertical ribbed stiffeners (41) and obliquely crossed ribbed stiffeners (42), the upper ends and the lower ends of the vertical ribbed stiffeners (41) and the obliquely crossed ribbed stiffeners (42) are respectively connected with the upper plate (1) and the lower base (2), and the inner sides of the vertical ribbed stiffeners (41) and the obliquely crossed ribbed stiffeners (42) are respectively fixed on the central tube (3); and the center line of one of the obliquely crossed ribbed stiffeners (42) obliquely divides a force transmission beam into two symmetrical parts which are fixed together by a fixing part (5). The utility model not only can reduce the weight of the stretch-draw force transmission beam, but also can effectively overcome the horizontal tension generated in the stretch-draw process and increase the security in the construction process.
Description
Technical field
The utility model belongs to the force transmission beam device that is installed on rope head place that in the Construction of Civil Engineering drag-lines such as steel tendon twisting, steel wire bundle assembling or reinforcing pull rod is carried out prestressed stretch-draw.
Background technology
In the prestressed steel structure of civil engineering, rope membrane structure, curtain wall rope bar supporting construction, all there is drag-line need apply pretension.Drag-line can be various ways such as the half parallel twisting of high-strength steel tow, many steel strand assemblings or rod iron pull bar.When drag-line being applied pretension both at home and abroad, all need to insert and put force transmission beam at the shoulder place of stay cable end rope head, during known stretch-draw force transmission beam processing and fabricating all the axis of symmetry along force transmission beam rectangle pressure-bearing surface break it into two, when on-the-spot tensioning equipment is installed the two halves block is held on rope head shoulder place, connects into the transfer beam of an integral body with bolt.This stretch-draw force transmission beam is when processing and fabricating, at stretch-draw hydraulic jack punching pull bar application point with the half rounds tube stay need weld in rope head shoulder place and stiffening rib guarantees that the strength and stiffness of force transmission beam can reach the stretch-draw requirement, and the layout of stiffening rib need be taken into account the layout of force transmission beam two parts to fashionable connecting bolt, the scale of construction that finally causes known force transmission beam is big, weight is heavier, is unfavorable for the fitting operation of the whole tensioning equipment in job site.In addition, because known force transmission beam is along the axis of symmetry subdivision of pressure-bearing surface, during drag-line stretch-draw, under bigger stretching force effect, between the two involutory blocks of force transmission beam, because bearing bigger pressure will produce bigger horizontal tension, all unfavorable to connecting bolt and force transmission beam, the safety deficiency in the work progress.
Summary of the invention
Technical problem: big and be unfavorable for the deficiency of tensioning equipment and connecting bolt for overcoming the existing stretch-draw force transmission beam scale of construction, the utility model provides the stretch-draw of a kind of drag-line rope head tiltedly to piece together reaction frame, the required diagonal ribs of putting more energy into floor and oblique edge joint position of force transmission beam under the stretch-draw jack pressure-bearing end face is integrated, can not only reduce the scale of construction of stretch-draw force transmission beam, and can effectively overcome the horizontal tension that produces in the stretching process, increase the safety in the work progress.
Technical scheme: drag-line rope head of the present utility model stretch-draw is tiltedly pieced together reaction frame and is comprised upper plate, lower bottom base, central tube, stiffening rib, upper plate, lower bottom base are separately fixed at the upper and lower both sides of central tube, stiffening rib comprises vertical stiffeners and diagonal cross stiffening rib, the upper/lower terminal of vertical stiffeners and diagonal cross stiffening rib is connected with upper plate, lower bottom base respectively, and the inboard of vertical stiffeners and diagonal cross stiffening rib is separately fixed on the central tube; Center line along a stiffening rib in the diagonal cross stiffening rib is divided into two the oblique two parts symmetrical that is divided into of force transmission beam, and this two parts symmetrical is fixed together by fixture.
The diagonal cross stiffening rib improves the supporting capacity of upper plate directly as the bearing stiffener of stretch-draw jack pressure-bearing end face.The diagonal cross stiffening rib is positioned at half that one-sided stiffening rib steel plate thickness on the oblique cut-off rule equals to be adjacent stiffening rib steel plate thickness.
Beneficial effect: the utility model adopted along the oblique mode of cutting apart of force transmission beam pressure-bearing surface, and when welding production, earlier it is welded as a whole, not only can guarantee that two part force transmission beams are closely connected involutory, and the integrality in stretch-draw hole on the force transmission beam pressure-bearing surface that penetrated of the stretch-draw power transmission screw rod that has guaranteed the punching jack, greatly reduce the horizontal tension that two semi-synthetic transfer beam connecting bolts are born.In addition, employing had both guaranteed the strength and stiffness that it is required along the diagonal welding stiffening rib of force transmission beam pressure-bearing surface, double as is the pressure-bearing stiffener under the stretch-draw jack end face area force transmission beam upper plate again, the scale of construction and the weight of force transmission beam have been reduced, the safety of being convenient to on-the-spot overhead prestressed drag-line tension operation and improving mobile stretch-draw force transmission beam in the operation process.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described:
Fig. 1 is the whole schematic three dimensional views of the utility model.
Fig. 2 is the oblique assembling schematic diagram of cutting apart of the utility model force transmission beam.
Fig. 3 is the utility model type floor map.
Fig. 4 is the utility model elevational schematic view.
Have among the figure: upper plate 1, lower bottom base 2, central tube 3, vertical stiffeners 41, diagonal cross stiffening rib 42, fixture 5, oblique cut-off rule 6, stretch-draw hole 7.
The specific embodiment
The utility model has changed the partitioning scheme that known force transmission beam is divided into two along axis of symmetry, adopts along the oblique mode of cutting apart of force transmission beam pressure-bearing surface.Force transmission beam is in manufacturing process, obliquely cut apart the integrality that the stretch-draw power transmission screw rod that not only guarantees the feed-through hydraulic jack is boxed out on the force transmission beam steel plate, and having changed the arrangement of stiffening rib, stiffening rib promptly of the present invention adopts the mode along the oblique layout of pressure-bearing surface.In addition, in the force transmission beam welding production process, for guaranteeing the involutory leakproofness of two part force transmission beams, earlier it is done as a whole the welding, treat all pressure-bearing surface steel plates and put more energy into along the oblique cut-off rule of setting in advance force transmission beam to be divided into two behind the floor welding fabrication, the bonding surface of oblique synthetic integral body adopts bolt to connect between two parts force transmission beam.
Be specially upper plate 1, lower bottom base 2 and be separately fixed at the upper and lower both sides of central tube 3, stiffening rib 4 comprises vertical stiffeners 41 and diagonal cross stiffening rib 42, the upper/lower terminal of vertical stiffeners 41 and diagonal cross stiffening rib 42 is connected with upper plate 1, lower bottom base 2 respectively, and the inboard of vertical stiffeners 41 and diagonal cross stiffening rib 42 is separately fixed on the central tube 3; Center line along a stiffening rib in the diagonal cross stiffening rib 42 is divided into two the oblique two parts symmetrical that is divided into of force transmission beam, and this two parts symmetrical is fixed together by fixture 5.
(Fig. 1 is first integral solder a) with the stretch-draw force transmission beam, after the welding fabrication, oblique cut-off rule (Fig. 3) along stretch-draw force transmission beam (Fig. 1) pressure-bearing surface is two parts (Fig. 2) with stretch-draw force transmission beam (Fig. 1) subdivision, during on-the-spot stretching construction, again with two parts (Fig. 4) of stretch-draw force transmission beam to synthetic integral body.
Claims (3)
1. reaction frame is tiltedly pieced together in drag-line rope head stretch-draw, it is characterized in that this drag-line stretch-draw force transmission beam comprises upper plate (1), lower bottom base (2), central tube (3), stiffening rib (4), upper plate (1), lower bottom base (2) be separately fixed at central tube (3) on, following both sides, stiffening rib (4) comprises vertical stiffeners (41) and diagonal cross stiffening rib (42), on vertical stiffeners (41) and the diagonal cross stiffening rib (42), following two ends respectively with upper plate (1), lower bottom base (2) connects, and the inboard of vertical stiffeners (41) and diagonal cross stiffening rib (42) is separately fixed on the central tube (3); Center line along a stiffening rib in the diagonal cross stiffening rib (42) is divided into two the oblique two parts symmetrical that is divided into of force transmission beam, and this two parts symmetrical is fixed together by fixture (5).
2. reaction frame is tiltedly pieced together in drag-line rope head according to claim 1 stretch-draw, it is characterized in that diagonal cross stiffening rib (42) directly as the bearing stiffener of stretch-draw jack pressure-bearing end face, improves the supporting capacity of upper plate (1).
3. reaction frame is tiltedly pieced together in drag-line rope head according to claim 1 stretch-draw, it is characterized in that diagonal cross stiffening rib (42) is positioned at half that one-sided stiffening rib steel plate thickness on the oblique cut-off rule equals to be adjacent stiffening rib steel plate thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201612630U CN201292674Y (en) | 2008-11-19 | 2008-11-19 | Pull cable head stretching oblique-splicing reaction frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201612630U CN201292674Y (en) | 2008-11-19 | 2008-11-19 | Pull cable head stretching oblique-splicing reaction frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201292674Y true CN201292674Y (en) | 2009-08-19 |
Family
ID=41006146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201612630U Expired - Lifetime CN201292674Y (en) | 2008-11-19 | 2008-11-19 | Pull cable head stretching oblique-splicing reaction frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201292674Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106120571A (en) * | 2016-08-31 | 2016-11-16 | 中铁十七局集团第三工程有限公司 | Arch bridge suspender tensioning equipment |
| CN106976149A (en) * | 2016-01-18 | 2017-07-25 | 周兆弟 | A kind of end plate of concrete prefabricated pile die |
-
2008
- 2008-11-19 CN CNU2008201612630U patent/CN201292674Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106976149A (en) * | 2016-01-18 | 2017-07-25 | 周兆弟 | A kind of end plate of concrete prefabricated pile die |
| CN106120571A (en) * | 2016-08-31 | 2016-11-16 | 中铁十七局集团第三工程有限公司 | Arch bridge suspender tensioning equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090819 Effective date of abandoning: 20081119 |