CN208235315U - A kind of weld nest formula cross hang connection structure - Google Patents
A kind of weld nest formula cross hang connection structure Download PDFInfo
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- CN208235315U CN208235315U CN201820651230.8U CN201820651230U CN208235315U CN 208235315 U CN208235315 U CN 208235315U CN 201820651230 U CN201820651230 U CN 201820651230U CN 208235315 U CN208235315 U CN 208235315U
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Abstract
The utility model belongs to technical field of civil engineering, more particularly to a kind of weld nest formula cross hang connection structure, including the cross-shaped dagger being vertically arranged between precast concrete beam slab and tubular concrete knoll, side where the upper end of cross-shaped dagger to precast concrete beam slab is extended with connection bolt, and connection bolt passes through precast concrete beam slab and tightens fixation by nut；The lower end of cross-shaped dagger is plugged in tubular concrete knoll, and is welded between the doughnut-shaped steel plate for leaning to one side and being preset in precast concrete pier top portion of cross-shaped dagger and is cut pressing plate；The connection bolt realization precast concrete beam slab that the utility model is extended by cross-shaped dagger and its upper end is fixedly connected with concrete knoll, cross-shaped dagger and connection bolt are suitable for the rigging error between precast concrete beam slab and concrete knoll, and good connecting effect, and the pressing plate of cutting between cross-shaped dagger and default concrete pier is cut off when needing replacing structure, it is convenient and efficient.
Description
Technical field
The utility model belongs to technical field of civil engineering, and in particular to a kind of weld nest formula cross hang connection structure.
Background technique
Currently, using the viewpoint of structuring, industrialized mode, scale, seriation level on, efficiently, at a low price
The construction of highway engineering just becomes the developing direction of China's green highway construction.Wherein, small structures lightness complete set technology is
Realize the key component that green highway industrialization is built, by the exploration of many years, this technology has obtained significant progress, demonstration
It works well, but still remains many deficiencies, insufficient, critical structures are vacant, controlling construction as planningization is built
Lag and theoretical property, which are broken through, to be lacked.
Quick, efficient connection between precast concrete is always domestic design, the problem in construction, especially not
Similar shape precast concrete, using the cast-in-place connection type of tradition, temporary facility is more, heavy workload；Using traditional stem grafting or
The connection types such as splicing, need to be used cooperatively with various connectors, and the prefabricated and installation deviation of precast concrete is normal
Often make the contraposition of connector very difficult, cause that prefabricated, difficulty of construction is big, industrialization construction advantage reduces, connection effect
Also it is difficult to ensure.Overall life cycle cost theory is popularized so that people increasingly pay close attention to the maintainable and replaceable of structure
It is very necessary to research and develop the connection type more adapted to for type.
Utility model content
The purpose of this utility model is to provide a kind of weld nest formula cross hang connection structures, are suitable in the prior art
Precast concrete beam slab is connected and fixed with concrete knoll.
To achieve the goals above, the utility model is achieved using following technical scheme:
A kind of weld nest formula cross hang connection structure, including be vertically arranged in precast concrete beam slab and tubular concrete
Cross-shaped dagger between knoll, side where the upper end to precast concrete beam slab of the cross-shaped dagger are extended with connection spiral shell
Bolt, the connection bolt pass through precast concrete beam slab and tighten fixation by nut；
The lower end of cross-shaped dagger is plugged in tubular concrete knoll, and being leaned to one side and being preset in cross-shaped dagger
It is welded between the doughnut-shaped steel plate in precast concrete pier top portion and cuts pressing plate.
Preferably, described to cut there are four pressing plate settings, it is correspondingly arranged on four side plates of cross-shaped dagger.
Preferably, the precast concrete beam slab is equipped with bolt hole and passes through for connection bolt, and the hole of the bolt hole
Diameter is greater than the diameter of connection bolt.
Preferably, the upper end of the cross-shaped dagger is welded with ring flange, ring flange with connect the lower end of bolt by nut
Anchoring.
Preferably, the cross-shaped dagger includes the of the first support plate and the first support plate two sides plate face vertical welding
Two, third support plate, and two sides along the plate length direction of the first support plate and second, third support plate are far from the first support plate
Side be fixed with mounting plate；It is welded between mounting plate and the doughnut-shaped steel plate for being preset in precast concrete pier top portion and cuts pressing plate.
The width of first support plate is less than the internal diameter of the pier top cavity of concrete knoll.
Preferably, the upper face of the precast concrete beam slab is equipped with bolt backing plate for connection bolt anchoring.
Compared with prior art, the utility model has following technical effect that
In the utility model, precast concrete beam is realized by the extended connection bolt of cross-shaped dagger and its upper end
Plate is fixedly connected with concrete knoll, and cross-shaped dagger is suitable for precast concrete beam slab and concrete with bolt is connect
Rigging error between knoll, and good connecting effect, and cross-shaped dagger and default coagulation are cut off when needing replacing structure
Pressing plate is cut between knoll, it is convenient and efficient；
The temporary facility that the utility model eliminates traditional cast-in-place connection structure is more, the big drawback of site workload, gram
The contraposition for having taken the connection structures such as traditional stem grafting or splicing is difficult, prefabricated, difficulty of construction is big, and prefabricated advantage reduces and connection
Ineffective disadvantage；
The utility model simplifies the connecting structure between precast concrete, and the work at scene greatly reduces
Amount, the building site for realizing prefabrication concrete component quickly connects and structure quick-replaceable.
Detailed description of the invention
Fig. 1 is the schematic diagram of weld nest formula cross hang connection structure provided by the utility model；
Fig. 2 is the schematic diagram for the weld nest formula cross hang connection structure different perspectives that the utility model is listened；
Fig. 3 is the connection schematic diagram of cross-shaped dagger and ring flange in the utility model；
Fig. 4 is the assembling peg board formula roadbed schematic diagram assembled using the utility model connection structure；
Figure label explanation: 1- precast concrete beam slab, 2- bolt hole, 3- connection bolt, 4- concrete knoll, 5- pier
Head space chamber, 6- cross-shaped dagger, the first support plate of 61-, the second support plate of 62-, 63- third support plate, 64- mounting plate, 7- spiral shell
Bolt backing plate, 8- ring flange, 10- cut pressing plate, 11- doughnut-shaped steel plate.
Specific embodiment
In order to be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, under
Face combines specific attached drawing, furthers elucidate the utility model.
Assembling peg board formula roadbed is to adapt to green highway industrialization and be built in standardization, systematization, modularization, dress
Demand for development with change and the new roadbed construction method of one kind proposed, main structure includes multiple precast concrete beam slabs 1
With tubular concrete knoll 4, formed by the factorial production, and precast concrete beam slab 1 and tubular concrete knoll 4
Connectivity problem be design, the faced problem of construction.
As shown in Fig. 1,4, the utility model provides a kind of weld nest formula cross hang connection structure, including is vertically arranged
Cross-shaped dagger 6 between precast concrete beam slab 1 and tubular concrete knoll 4, the upper end of the cross-shaped dagger 6 is to pre-
1 place side of concrete beam plate processed is extended with connection bolt 3, and the connection bolt 3 passes through precast concrete beam slab 1 and by nut
Tighten fixation；
The lower end of cross-shaped dagger 6 is plugged in tubular concrete knoll 4, and cross-shaped dagger 6 lean to one side in advance
It is located to be welded between the doughnut-shaped steel plate 11 at 4 top of concrete knoll and cuts pressing plate 10.
In specific work progress, the connection bolt 3 on cross-shaped dagger 6 is passed through into precast concrete beam slab 1, and will
Fixation is tightened by nut in the upper end, then plants into tubular concrete knoll 4 lower end of cross-shaped dagger 6, then exists
Site welding cuts pressing plate 10, which can realize the quick connection of pier, plate, to evade traditional cast-in-place connection structure
Temporary facility it is more, the big drawback of site operation amount；The contraposition that the connection structures such as traditional stem grafting or splicing are omitted is difficult, right
The problem of prefabricated precision prescribed height and constructional difficulties, improves the joint efficiency of pier, plate, and the effect connected is good, and intensity is high；
When needing to carry out structure maintenance, cut off cut pressing plate can be realized precast concrete beam slab 1 and concrete knoll 4 quickly point
Solution, and weld again and cut pressing plate 10 and can realize the quick connection of precast concrete beam slab 1 Yu concrete knoll 4.
Further, as shown in connection with fig. 2, according to the utility model, it is described cut pressing plate can be set it is multiple, to mention
Bonding strength between high cross-shaped dagger 6 and the doughnut-shaped steel plate 11 for being preset in 4 top of concrete knoll, the utility model
In, described cuts there are four the settings of pressing plate 10, is correspondingly arranged on four side plates of cross-shaped dagger 6, described cuts pressing plate 10
For steel structure, with a thickness of 20mm, it is not less than 200mm with the weld length of cross-shaped dagger 6, and is preset in concrete knoll
The weld length of the doughnut-shaped steel plate 11 at 4 tops is not less than 100mm, and the cross-shaped dagger 6 is to the top of concrete knoll 4
Pressure passes through and cuts the cutting of pressing plate 10, pressure effect is realized.
Further, in the utility model, the precast concrete beam slab 1 is equipped with bolt hole 2 and wears for connection bolt 3
It crosses, and the aperture of the bolt hole 2 is greater than the diameter of connection bolt 3.Specifically, the aperture of the bolt hole 2 is 55mm, even
Connecting bolt 3 uses M24 bolt, the direct big 31mm of the aperture ratio M24 bolt of the bolt hole 2, so as to adapt to concrete
Influence of the native beam slab 1 in the longitudinal and transverse gradient to horizontal installation position about 10mm, moreover, can also reserve the sky of cement slurry in fill orifice
Between.
Further, as shown in connection with fig. 3, the convenience actually manufactured for convenience, the upper end welding of the cross-shaped dagger 6
There is ring flange 8, ring flange 8 is anchored with the lower end for connecting bolt 3 by nut, and the cross-shaped dagger 6 and ring flange 8 can be individually
Machine-shaping is welded as a whole again, ring flange 8 facilitate cross-shaped dagger 6 with connect being connected and fixed for bolt 3.
In the utility model, the cross-shaped dagger 6 includes 61 two sides plate face of the first support plate 61 and the first support plate
Second, third support plate 62,63 of vertical welding, and along the two sides of the plate length direction of the first support plate 61 and second, third
Support plate 62,63 is fixed with mounting plate 64 far from the side of the first support plate 61；Mounting plate 64 and it is preset in concrete knoll 4
It is welded between the doughnut-shaped steel plate 11 at top and cuts pressing plate 10.
The width of first support plate 61 is less than the internal diameter of the pier top cavity 5 of concrete knoll 4, specifically, this reality
Horizontal cross section dimension with novel middle cross-shaped dagger 6 is 280mm × 280mm, than the pier top cavity 5 of concrete knoll 4
The small 100mm of internal diameter, in this way, cross-shaped dagger 6 can have certain biasing in pier top cavity 5, to adapt to precast concrete
Deviation is horizontally mounted no more than 50mm between beam slab 1 and concrete knoll 4.
In the utility model, the standard that the cross-shaped dagger 6 is plugged in the pier top cavity 5 of concrete knoll 4 is long
Degree is 0.2m, is suitable for being not more than the vertical installation deviation of 200mm between precast concrete beam slab 1 and concrete knoll 4.
Further, in the utility model, the upper face of the precast concrete beam slab 1 is equipped with bolt backing plate 7 for even
Connecting bolt 3 anchors.
Weld nest formula cross hang connection structure provided by the utility model, the reinforcing bar of precast concrete beam slab 1 not will receive
Damage, prefabricated, difficulty of construction is small, temporary facility is few, and site workload reduces, and construction efficiency improves, and industrializes prefabricated advantage
It is played, the connection of prefabricated components is safe and reliable, replaces quick and convenient.
The characteristics of basic principles and main features and the utility model of the utility model have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these changes and improvements are both fallen in the range of claimed invention.This is practical new
The claimed range of type is defined by the appending claims and its equivalent thereof.
Claims (6)
1. a kind of weld nest formula cross hang connection structure, it is characterised in that: including be vertically arranged precast concrete beam slab (1) with
Cross-shaped dagger (6) between tubular concrete knoll (4), the upper end of the cross-shaped dagger (6) is to precast concrete beam
Side where plate (1) is extended with connection bolt (3), and the connection bolt (3) passes through precast concrete beam slab (1) and twisted by nut
It fastens；
The lower end of cross-shaped dagger (6) is plugged in tubular concrete knoll (4), and cross-shaped dagger (6) lean to one side with
It is preset in be welded between the doughnut-shaped steel plate (11) at the top of concrete knoll (4) and cuts pressing plate (10).
2. weld nest formula cross hang connection structure according to claim 1, it is characterised in that: the pressing plate (10) of cutting is set
There are four setting, it is correspondingly arranged on four side plates of cross-shaped dagger (6).
3. weld nest formula cross hang connection structure according to claim 1, it is characterised in that: the precast concrete beam slab
(1) it is equipped with bolt hole (2) to pass through for connection bolt (3), and the aperture of the bolt hole (2) is greater than the straight of connection bolt (3)
Diameter.
4. weld nest formula cross hang connection structure according to claim 1, it is characterised in that: the cross-shaped dagger (6)
Upper end be welded with ring flange (8), ring flange (8) is anchored with the lower end for connecting bolt (3) by nut.
5. weld nest formula cross hang connection structure according to claim 1, it is characterised in that: the cross-shaped dagger
(6) second, third support plate including the first support plate (61) and the first support plate (61) two sides plate face vertical welding (62,
63), and along the two sides of the plate length direction of the first support plate (61) and second, third support plate (62,63) far from the first support
The side of plate (61) is fixed with mounting plate (64)；Mounting plate (64) and the doughnut-shaped steel plate being preset at the top of concrete knoll (4)
(11) it is welded between and cuts pressing plate (10)；
The width of first support plate (61) is less than the internal diameter of the pier top cavity (5) of concrete knoll (4).
6. weld nest formula cross hang connection structure according to claim 1, it is characterised in that: the precast concrete beam slab
(1) upper face is equipped with bolt backing plate (7) for connection bolt (3) anchoring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820651230.8U CN208235315U (en) | 2018-05-03 | 2018-05-03 | A kind of weld nest formula cross hang connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820651230.8U CN208235315U (en) | 2018-05-03 | 2018-05-03 | A kind of weld nest formula cross hang connection structure |
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| Publication Number | Publication Date |
|---|---|
| CN208235315U true CN208235315U (en) | 2018-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820651230.8U Active CN208235315U (en) | 2018-05-03 | 2018-05-03 | A kind of weld nest formula cross hang connection structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111691310A (en) * | 2020-07-07 | 2020-09-22 | 郑琼华 | Bridge construction method |
| CN111691309A (en) * | 2020-07-07 | 2020-09-22 | 郑琼华 | Method for connecting bridge pier and cross beam of bridge |
| CN111719414A (en) * | 2020-07-07 | 2020-09-29 | 郑琼华 | Internal welding and external pouring type bridge pier and beam connection structure and beam and bridge pier butt joint method |
-
2018
- 2018-05-03 CN CN201820651230.8U patent/CN208235315U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111691310A (en) * | 2020-07-07 | 2020-09-22 | 郑琼华 | Bridge construction method |
| CN111691309A (en) * | 2020-07-07 | 2020-09-22 | 郑琼华 | Method for connecting bridge pier and cross beam of bridge |
| CN111719414A (en) * | 2020-07-07 | 2020-09-29 | 郑琼华 | Internal welding and external pouring type bridge pier and beam connection structure and beam and bridge pier butt joint method |
| CN111691309B (en) * | 2020-07-07 | 2021-11-05 | 中交(临沂)建筑科技有限公司 | Method for connecting bridge pier and cross beam of bridge |
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