CN204738394U - Prefabricated staircase's slip hinged -support - Google Patents
Prefabricated staircase's slip hinged -support Download PDFInfo
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- CN204738394U CN204738394U CN201520312195.3U CN201520312195U CN204738394U CN 204738394 U CN204738394 U CN 204738394U CN 201520312195 U CN201520312195 U CN 201520312195U CN 204738394 U CN204738394 U CN 204738394U
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- elongate holes
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- prefabricated gangboard
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Abstract
The utility model discloses a prefabricated staircase's slip hinged -support, including pre -buried on the ear is chosen to terraced roof beam the bolt with set up the rectangular shape hole on prefabricated step, the lower end lap of prefabricated step is on the ear is chosen to terraced roof beam, rectangular shape hole sets up and corresponds bolt department at the tip of prefabricated step, the long limit and the prefabricated step length direction in rectangular shape hole unanimous, prolong its length direction on the both sides inner wall in rectangular shape hole and be equipped with the shoulder rank, the pre -buried degree of depth of bolt satisfy the requirement of the anchorage length of regulation, the head of bolt down, and the head of bolt wears to establish first anchor slab, the free end of bolt wears to establish the second anchor slab, second anchor slab card is on rectangular shape downthehole shoulder rank to it is fixed with the nut, the downthehole cover cell type high strength of rectangular shape apron, form the sliding chamber of bolt. Compared with the prior art, the beneficial effects of the utility model are that: to the vertical restraint from top to bottom of prefabricated step formation, restricted the ascending vertical displacement of prefabricated step, simultaneously prefabricated step can horizontal slip.
Description
Technical field
The utility model belongs to field of civil engineering, relates to a kind of sliding hinge bearing of precast stair.
Background technology
Stair are requisite elements in building, and prefabricated gangboard standardized rate is high, adopt industrialized production to make prefabricated gangboard and will inevitably bring considerable benefit.Joint structure in prefabricated gangboard is that it is crucial.Under geological process, effectively can control prefabricated gangboard lower end vertical displacement, the function that is free to slide of being simultaneously up to the standard is very crucial.Existing prefabricated gangboard node is upper and lower side, is difficult to Earthquake occurrence control effect prefabricated gangboard vertical displacement upwards downstairs.Horizontal slip face, precast stair lower end cannot form vertically upper and lower constraint to prefabricated gangboard lower end.
Utility model content
The utility model needs the problems referred to above solved to be cannot be formed prefabricated gangboard lower end for the horizontal slip face, lower end of gangboard prefabricated in above-mentioned prior art vertically to retrain up and down, the deficiency of prefabricated gangboard vertical displacement upwards under being difficult to Earthquake occurrence control effect, and provide one to make prefabricated gangboard under external force can free horizontal slip, there is not the sliding hinge bearing of the precast stair of vertical upper and lower displacement simultaneously.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of sliding hinge bearing of precast stair, comprise and be embedded in terraced beam and choose bolt on ear and be arranged on the elongate holes on prefabricated gangboard, the lower end of prefabricated gangboard is overlapped on terraced beam and chooses on ear, elongate holes is arranged on the corresponding bolt place, end of prefabricated gangboard, the long limit of described elongate holes is consistent with prefabricated gangboard length direction, the both sides inwall of elongate holes prolongs its length direction and be provided with shoulder rank, the pre-buried degree of depth of described bolt meets the requirement of the anchorage length of regulation, the head of bolt down, and the head of bolt wears the first anchor slab, the free end of bolt wears the second anchor slab, second anchor slab is stuck on the shoulder rank in elongate holes, and fix with nut, grooved high strength cover plate is covered in described elongate holes, form the sliding cavity of bolt, cement mortar screeding is used above grooved high strength cover plate.
Described grooved high strength cover plate is PVC cover plate or channel-section steel.
With cement mortar screeding in the overlap joint plane that ladder beam chooses ear and prefabricated gangboard, formation leveling layer, the thickness of leveling layer is 20mm.
Leveling layer is laid the polyfluortetraethylene plate that 5mm is thick.
Ladder beam is chosen between vertical plane that ear and prefabricated gangboard contact with each other and is provided with the thick PS plate of 30mm-50mm.
The length of elongate holes is greater than the horizontal movement that prefabricated gangboard produces under geological process.
Shoulder rank in elongate holes are embedded with the band iron of auxiliary prefabricated gangboard horizontal slip.
The quantity of described bolt is at least two, and is disposed side by side on terraced beam and chooses on ear, and the quantity of elongate holes is consistent with the quantity of bolt.
Compared with prior art, the beneficial effects of the utility model are: the utility model is intended to the Types of nodes by improving prefabricated gangboard lower end, by cooperatively interacting of bolt and elongate holes, prefabricated gangboard is formed and vertically retrains up and down, limit the vertical displacement upwards of prefabricated gangboard, prefabricated gangboard and terraced beam choose ear in the horizontal for being flexibly connected, and when there is earthquake, prefabricated gangboard can be chosen ear and carry out horizontal slip by relatively terraced beam.
Accompanying drawing explanation
Fig. 1 is the structural representation of the sliding hinge bearing of precast stair of the present utility model;
Fig. 2 is the lateral view of the sliding hinge bearing of precast stair;
Fig. 3 is the top view of prefabricated gangboard.
Wherein, 1, terraced beam chooses ear, 2, prefabricated gangboard, 3, grooved high strength cover plate, 4, elongate holes, 5, nut, the 6, second anchor slab, 7, leveling layer, 8, band iron, the 9, first anchor slab, 10, bolt, 11, PS plate.
Detailed description of the invention
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present utility model are described in a schematic way, and therefore it only shows the formation relevant with the utility model.
As illustrated in fig. 1 and 2, a kind of sliding hinge bearing of precast stair, comprise the elongate holes 4 being embedded in terraced beam and choosing bolt on ear 1 10 and be arranged on prefabricated gangboard 2, the lower end of prefabricated gangboard 2 is overlapped on terraced beam and chooses on ear 1, elongate holes 4 is arranged on corresponding bolt 10 place, end of prefabricated gangboard 2, the long limit of described elongate holes 4 is consistent with prefabricated gangboard 2 length direction, the both sides inwall of elongate holes 4 prolongs its length direction and be provided with shoulder rank, the pre-buried degree of depth of described bolt 10 meets the requirement of the anchorage length of regulation, the head of bolt 10 down, and the head of bolt 10 wears the first anchor slab 9, the free end of bolt 10 wears the second anchor slab 6, second anchor slab 6 is stuck on the shoulder rank in elongate holes 4, and fix with nut 5, grooved high strength cover plate 3 is covered in described elongate holes 4, form the sliding cavity of bolt 10, cement mortar screeding is used above grooved high strength cover plate 3.
Described grooved high strength cover plate 3 is PVC cover plate or channel-section steel.
Ladder beam chooses ear 1 and use cement mortar screeding in the overlap joint plane of prefabricated gangboard 2, and form leveling layer 7, the thickness of leveling layer 7 is 20mm.
Leveling layer 7 is laid the polyfluortetraethylene plate that 5mm is thick.
Ladder beam is chosen between vertical plane that ear 1 and prefabricated gangboard 2 contact with each other and is provided with the thick PS plate 11 of 30mm-50mm.
The length of elongate holes 4 is greater than the horizontal movement that prefabricated gangboard 2 produces under geological process.
Shoulder rank in elongate holes 4 are embedded with the band iron 8 of auxiliary prefabricated gangboard 2 horizontal slip.
The quantity of described bolt 10 is at least two, and is disposed side by side on terraced beam and chooses on ear 1, and the quantity of elongate holes 4 is consistent with the quantity of bolt 10.
The construction method of the sliding hinge bearing of precast stair, comprises the following steps:
A, choose pre-embedded bolt 10 on ear 1 at terraced beam, the head of bolt 10, and is equipped with the first anchor slab 9 at the head of bolt 10 down;
B, to stay set cross section as T-shaped elongate holes 4 at the plate end of prefabricated gangboard 2, its long limit is consistent with prefabricated gangboard 2 length direction;
C, prefabricated gangboard 2 lifted and chooses on ear 1 to terraced beam, make bolt 10 be positioned at elongate holes 4;
D, wear the second anchor slab 6 at the free end of bolt 10, on the shoulder rank that the second anchor slab 6 is stuck in elongate holes 4, and be locked with nut 5;
E, in elongate holes 4, cover grooved high strength cover plate 3, form the sliding cavity of bolt 10;
Cement mortar screeding is used above F, grooved high strength cover plate 3.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this utility model technological thought, can carry out various change and amendment completely.The technical scope of this utility model is not limited to the content on manual, must determine its technical scope according to right.
Claims (8)
1. the sliding hinge bearing of a precast stair, it is characterized in that: comprise and be embedded in terraced beam and choose bolt on ear and be arranged on the elongate holes on prefabricated gangboard, the lower end of prefabricated gangboard is overlapped on terraced beam and chooses on ear, elongate holes is arranged on the corresponding bolt place, end of prefabricated gangboard, the long limit of described elongate holes is consistent with prefabricated gangboard length direction, the both sides inwall of elongate holes prolongs its length direction and be provided with shoulder rank, the pre-buried degree of depth of described bolt meets the requirement of the anchorage length of regulation, the head of bolt down, and the head of bolt wears the first anchor slab, the free end of bolt wears the second anchor slab, second anchor slab is stuck on the shoulder rank in elongate holes, and fix with nut, grooved high strength cover plate is covered in described elongate holes, form the sliding cavity of bolt, cement mortar screeding is used above grooved high strength cover plate.
2. the sliding hinge bearing of precast stair according to claim 1, is characterized in that: described grooved high strength cover plate is PVC cover plate or channel-section steel.
3. the sliding hinge bearing of precast stair according to claim 1, is characterized in that: with cement mortar screeding in the overlap joint plane that terraced beam chooses ear and prefabricated gangboard, form leveling layer, the thickness of leveling layer is 20mm.
4. the sliding hinge bearing of precast stair according to claim 3, is characterized in that: leveling layer is laid the polyfluortetraethylene plate that 5mm is thick.
5. the sliding hinge bearing of precast stair according to claim 1, is characterized in that: terraced beam is chosen between vertical plane that ear and prefabricated gangboard contact with each other and is provided with the thick PS plate of 30mm-50mm.
6. the sliding hinge bearing of precast stair according to claim 1, is characterized in that: the length of elongate holes is greater than the horizontal movement that prefabricated gangboard produces under geological process.
7. the sliding hinge bearing of precast stair according to claim 1, is characterized in that: the band iron shoulder rank in elongate holes being embedded with auxiliary prefabricated gangboard horizontal slip.
8. the sliding hinge bearing of precast stair according to claim 1, is characterized in that: the quantity of described bolt is at least two, and is disposed side by side on terraced beam and chooses on ear, and the quantity of elongate holes is consistent with the quantity of bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520312195.3U CN204738394U (en) | 2015-05-15 | 2015-05-15 | Prefabricated staircase's slip hinged -support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520312195.3U CN204738394U (en) | 2015-05-15 | 2015-05-15 | Prefabricated staircase's slip hinged -support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204738394U true CN204738394U (en) | 2015-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520312195.3U Active CN204738394U (en) | 2015-05-15 | 2015-05-15 | Prefabricated staircase's slip hinged -support |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104863265A (en) * | 2015-05-15 | 2015-08-26 | 南京长江都市建筑设计股份有限公司 | Sliding hinged support for prefabricated stair and construction method of sliding hinged support |
| CN106930484A (en) * | 2017-03-15 | 2017-07-07 | 中建三局第建设工程有限责任公司 | For the full precast stairway system and construction method of prefabricated concrete structure |
| CN112982852A (en) * | 2021-02-26 | 2021-06-18 | 全学友 | Steel-concrete combined assembled stair section |
-
2015
- 2015-05-15 CN CN201520312195.3U patent/CN204738394U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104863265A (en) * | 2015-05-15 | 2015-08-26 | 南京长江都市建筑设计股份有限公司 | Sliding hinged support for prefabricated stair and construction method of sliding hinged support |
| CN106930484A (en) * | 2017-03-15 | 2017-07-07 | 中建三局第建设工程有限责任公司 | For the full precast stairway system and construction method of prefabricated concrete structure |
| CN112982852A (en) * | 2021-02-26 | 2021-06-18 | 全学友 | Steel-concrete combined assembled stair section |
| CN112982852B (en) * | 2021-02-26 | 2022-11-15 | 全学友 | Steel-concrete combined assembled stair section |
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| GR01 | Patent grant |