CN209637137U - The fixed lower end in upper end, which is slidably connected, supports Anti-seismic assembled stair - Google Patents
The fixed lower end in upper end, which is slidably connected, supports Anti-seismic assembled stair Download PDFInfo
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- CN209637137U CN209637137U CN201920183369.9U CN201920183369U CN209637137U CN 209637137 U CN209637137 U CN 209637137U CN 201920183369 U CN201920183369 U CN 201920183369U CN 209637137 U CN209637137 U CN 209637137U
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Abstract
The fixed lower end in upper end, which is slidably connected, supports Anti-seismic assembled stair, lower layer's ladder beam that the upper layer ladder beam and left low and right high being obliquely installed including horizontally disposed platform, right low left high are obliquely installed, upper layer ladder beam and lower layer's ladder beam are assembled steel concrete composite structure, platform sinistral bottom is provided with landing beam along anterior-posterior horizontal direction, several support brackets are installed on landing beam, the front side portion of upper layer ladder beam right end is connect at least two support brackets by the support component that is slidably connected, and the rear lateral portion of lower layer's ladder beam right end is fixedly connected at least two support brackets.The utility model is light-weight, and the stability of steel concrete composite structure is strong, has good damping and slidable adjustment effect, can avoid generating stress between upper layer ladder beam, lower layer's ladder beam and platform and generating crack, be even broken.
Description
Technical field
The utility model belongs to assembled architecture technical field, and in particular to a kind of fixed lower end in upper end is slidably connected support
Anti-seismic assembled stair.
Background technique
Cast-in-situ steel reinforced concrete stair or prefabricated reinforced concrete stair are usually used in traditional stair, and cast in place reinforced bar is mixed
Although solidifying Tulou ladder fastness, soundproof effect and it is non-maintaining it is upper there is greater advantage, reinforced concrete stairs self weight compared with
Greatly, need to carry out the complicated procedures of forming such as formwork, reinforcing bar binding, cast in situs and maintenance, it is long there are the construction period, concealed work is more,
The disadvantages of quality controllability is poor；Prefabricated reinforced concrete stair, then exist from it is great, need to using big machinery installation, scene even
The disadvantages of node is complicated is connect, is subject to certain restrictions during popularization and application.Either cast-in-situ steel reinforced concrete stair or pre-
Reinforced concrete stairs processed, there is also the defects of poor seismic behavior, it is difficult to control geological process go downstairs up and down, left and right and it is preceding
The vibration displacement of rear direction will lead to stair under violent earthquake and generate crack, or even is broken and jeopardizes safety.
Utility model content
The utility model provides a kind of simple structure, convenient for making and apply to solve shortcoming in the prior art
Work, the fixed lower end in the upper end that light-weight, intensity is high, anti-seismic performance is good are slidably connected and support Anti-seismic assembled stair.
In order to solve the above technical problems, the utility model adopts the following technical solution: the fixed lower end in upper end is slidably connected branch
Anti-seismic assembled stair are supportted, the upper layer ladder beam and left low and right high being obliquely installed including horizontally disposed platform, right low left high incline
The lower layer's ladder beam being tiltedly arranged, upper layer ladder beam and lower layer's ladder beam are assembled steel concrete composite structure, and platform sinistral bottom is along front and back
It is horizontally arranged to have landing beam, be equipped on landing beam several support bracket, the front side portion of upper layer ladder beam right end at least
For two support brackets by the support component connection that is slidably connected, the rear lateral portion of lower layer's ladder beam right end and at least two support brackets are solid
Fixed connection；
Upper layer ladder beam is identical with the construction of lower layer's ladder beam；Upper layer ladder beam includes two side by side and right low left high is obliquely installed
Section steel beam, the top and bottom of two section steel beams are bent into or are fixedly connected with a horizontal connector, two section steel beams it
Between be provided with the sequentially connected step of several grades, every grade of step includes that several support steel beams are provided with along anterior-posterior horizontal direction
With the light filling object of rod-like structure, two section steel beams offer the perforation of several correspondences, and support steel beam, which is plugged in, to be worn
Section steel beam is stretched out in hole and support steel beam both ends, has been poured in being embedded in support steel beam two ends outside two section steel beams
The outside of first concrete layer in portion, support steel beam and light filling object has poured to form sequentially connected of several grades
Second concrete layer of rank, the first concrete layer and the second concrete layer pour simultaneously using after formwork together, and second is mixed
Contour line of the section below every level-one step of the bottom surface of solidifying soil layer in left-right direction is straightway+camber line segment structure.
The support component that is slidably connected includes horizontally disposed lower bolster and upper padding plate, and lower bolster is fixed at support bracket
Top, upper padding plate upper surface are fixedly connected on the bottom of level connection joint head, and lower bolster upper surface is fixedly installed mounting plate and position
Positioning pin in mounting plate front and rear sides offers several slots on mounting plate, ball is equipped in slot, ball top is convex
For mounting plate upper surface, the cushion hole for penetrating positioning pin is offered on upper padding plate, the diameter of cushion hole is greater than positioning pin
Diameter, upper padding plate is corresponding to be supported at the top of ball and positioning pin penetrates in cushion hole, upper padding plate right edge and platform sinistral portion
Between have gap, the styrofoam of strip is provided in gap.
The support component that is slidably connected includes horizontally disposed lower bolster and upper padding plate, and lower bolster is fixed at support bracket
Top, upper padding plate upper surface are fixedly connected on the bottom of level connection joint head, and lower bolster upper surface is fixedly installed high temperature resistant slide plate
With the positioning pin for being located at high temperature resistant slide plate front and rear sides, high temperature resistant slide plate uses copper sheet, polyethylene board or polyethylene tetrafluoro plate system
At offering the cushion hole for penetrating positioning pin on upper padding plate, the diameter of cushion hole is greater than the diameter of positioning pin, upper padding plate pair
High temperature resistant slide plate upper surface should be supported on and positioning pin penetrates in cushion hole, had between upper padding plate right edge and platform sinistral portion
Gap is provided with the styrofoam of strip in gap.
Section steel beam uses channel steel or C-type steel, and the opening of two section steel beams is oppositely arranged, the front side of front side section steel beam and rear side
The rear side of section steel beam offers several for pouring the sprue gate of the second concrete layer, and each sprue gate is respectively positioned on step
The angle of horizontal plane and vertical plane.
The top and bottom of section steel beam are fixedly installed several pegs respectively, and the peg on top protrudes outside section steel beam
Support steel beam and lower part peg between setting be parallel to the reinforced mesh on section steel beam surface, reinforced mesh is embedded in first
In concrete layer.
It connects to form steel mesh by the reinforcing rib perpendicular to support steel beam between several support steel beams, steel mesh is whole
It is embedded in the second concrete layer.
Support steel beam uses reinforcing bar or angle steel.
Straightway is parallel to horizontal plane, and the centering angle of arc segment is 90 °, the right end of the straightway below the same step with
The left end of arc segment connects, and the lower end of the arc segment below a step and adjacent next step lower straight section left end connect
It connects.
Light filling object is made of polyurethane or PVC material, and light filling object is adhesive in the type of respective side by both ends
On girder steel or binds mode on support steel beam and be fixed, light filling level top and step rib on the right side of arc segment
Between below the left side at angle.
The cross section of light filling object is circular ring shape tubular structure or triangular structure of right angle, wherein triangular structure of right angle
Two right-angle sides be respectively parallel to same level-one step horizontal side and vertical side.
By adopting the above technical scheme, compared with the prior art, the utility model has the following advantages:
1, the upper end of upper layer ladder beam and lower layer's ladder beam is fixedly connected with platform, and the lower end of upper layer ladder beam and lower layer's ladder beam is logical
The support component connection that is slidably connected is crossed, when earthquake occurs, the support component that is slidably connected can be on upper and lower, left and right and front-rear direction
Relative displacement occurs, thus can avoid generating stress between upper layer ladder beam, lower layer's ladder beam and platform and generating crack, even break
It splits.
2, the support component that is slidably connected uses two ways, and one is by the way of ball support, mounting plate is welded on
Several slots are offered on lower bolster, on mounting plate, for placing ball, the setting of ball, when being shaken impact from
Dynamic adjusting is sensitiveer；Another kind between upper padding plate and high temperature resistant slide plate by the way of slidably supporting, and high temperature resistant slide plate is in fire
It is also indeformable when generation, there is good sliding support effect.The diameter of cushion hole is greater than the diameter of positioning pin, in upper padding plate and
Between lower bolster above and below generation, on left and right and front-rear direction when relative displacement, positioning pin can move inside cushion hole, avoid
Stress is generated, there is good damping and slidable adjustment effect；Styrofoam has certain snubber elastomeric, plays and avoids upper padding plate
The very stiff and demanding effect between platform.
3, perforation is opened up on section steel beam, support steel beam is mounted on two section steel beams across perforation, mixed pouring first
Support steel beam and two section steel beams will be first welded as a whole before concrete before solidifying soil layer and the second concrete layer, is poured in formwork
When ensure the stability of section steel beam and support steel beam.
4, it in the first concrete layer of external setting and the second concrete layer of section steel beam and support steel beam, and is mixed first
Steel mesh is set in solidifying soil layer, peg and reinforced mesh are set in the second concrete layer, can be poured as far as possible so relatively thin
Concrete, and ensure that the first concrete layer and the second concrete layer will not crack, or even fall off, make steel concrete composite structure
Stability greatly enhance.
5, contour line of the section of the bottom surface of the second concrete layer in left-right direction below every level-one step is straight line
Section+camber line segment structure can be further reduced the amount of pouring of concrete in this way, mitigate the overall weight of stair, and bottom plate is whole
Structure is wavy, has fine ornamental value.
6, section steel beam side offers several sprue gates, first pours the second concrete layer from bottom to top, then pour first
Concrete layer, when pouring the first concrete layer, concrete can also be by sprue gate by the concrete in the first concrete layer
Further filling, this mode that pours ensure to pour no dead angle.
7, the pre-buried light filling object in the second concrete layer of step, light filling object can not only further decrease whole
The weight of a stair, and the cost of material is reduced, light filling object both ends are adhesive on the section steel beam of respective side or tie up
It pricks on support steel beam, can ensure that light filling object is fixed in casting concrete in this way, it is ensured that pouring quality；Lightweight is filled out
When the cross section for filling object is right angled triangle, which is just adapted with the horizontal side of same level-one step and vertical side,
To which the thickness for wrapping up concrete in light filling beyond the region of objective existence portion is substantially well-balanced consistent.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the utility model；
Fig. 2 is the planar structure schematic diagram of the utility model；
Fig. 3 is the schematic perspective view of lower bolster embodiment one in Fig. 2；
Fig. 4 is the enlarged drawing in Fig. 1 at A；
Fig. 5 is the structural schematic diagram of the utility model terraced beam at the middle and upper levels；
Fig. 6 is the diagrammatic cross-section of the second concrete layer in Fig. 5；
Fig. 7 is the structural schematic diagram of the medium-sized girder steel of Fig. 5；
Fig. 8 is the schematic perspective view of lower bolster embodiment two in Fig. 2.
Specific embodiment
Embodiment one: as shown in Fig. 1-Fig. 7, the fixed lower end in the upper end of the utility model, which is slidably connected, supports Anti-seismic to assemble
Formula stair, what the upper layer ladder beam 14 and left low and right high being obliquely installed including horizontally disposed platform 13, right low left high were obliquely installed
Lower layer's ladder beam 15, upper layer ladder beam 14 and lower layer's ladder beam 15 are assembled steel concrete composite structure, and 13 left bottom of platform is along front and back
Horizontally arranged to have landing beam 16, it is conventional components and common technology that several supports bracket 17(is equipped on landing beam 16
Term), the front side portion of 14 right end of upper layer ladder beam is connect at least two support brackets 17 by the support component that is slidably connected, lower layer
The rear lateral portion of terraced 15 right end of beam is fixedly connected at least two support brackets 17.
Upper layer ladder beam 14 is identical with the construction of lower layer ladder beam 15；Upper layer ladder beam 14 includes two side by side and right low left high tilts
The section steel beam 1 of setting, the top and bottom of two section steel beams 1 are bent into or are fixedly connected with a horizontal connector 24, and two
The sequentially connected step 2 of several grades is provided between root section steel beam 1, every grade of step 2 includes being provided with along anterior-posterior horizontal direction
The light filling object 12 of several support steel beams 3 and rod-like structure, two section steel beams 1 offer wearing for several correspondences
Hole, support steel beam 3 be plugged in perforation in and 3 both ends of support steel beam stretch out section steel beam 1, poured outside two section steel beams 1 by
3 two ends of support steel beam are embedded in the first internal concrete layer 4, and the outside of support steel beam 3 and light filling object 12 is poured
Build the second concrete layer 5 to form the sequentially connected step 2 of several grades, the first concrete layer 4 and the second concrete layer 5
Using pouring simultaneously after formwork together, the section of the bottom surface of the second concrete layer 5 in left-right direction is under every level-one step 2
The contour line of side is 7 structure of straightway 6+ arc segment.
The support component that is slidably connected includes horizontally disposed lower bolster 18 and upper padding plate 19, and lower bolster 18 is fixedly connected on water
The bottom of flushconnection head 24, upper padding plate 19 are fixed at 14 right end bottom of upper layer ladder beam, the fixed setting of 18 upper surface of lower bolster
There are mounting plate 25 and the positioning pin 20 positioned at 25 front and rear sides of mounting plate, offer several slots on mounting plate 25, in slot
Ball 21 is installed, 21 top of ball protrudes from 25 upper surface of mounting plate, offers on upper padding plate 19 for penetrating positioning pin 20
Cushion hole 22, the diameter of cushion hole 22 is greater than the diameter of positioning pin 20, and upper padding plate 19 is corresponding to be supported on 21 top of ball and fixed
Position pin 20 penetrates in cushion hole 22, has gap between 13 left side of 19 right edge of upper padding plate and platform, is provided in gap
The styrofoam 23 of strip.
Section steel beam 1 uses channel steel or C-type steel, and the opening of two section steel beams 1 is oppositely arranged, the front side of front side section steel beam 1 and
The rear side of rear side section steel beam 1 offers several for pouring the sprue gate 8 of the second concrete layer 5, the equal position in each sprue gate 8
In the horizontal plane of step 2 and the angle of vertical plane.
The top and bottom of section steel beam 1 are fixedly installed several pegs 9, peg 9, the protrusion section steel beam 1 on top respectively
Setting is parallel to the reinforced mesh 10 on 1 surface of section steel beam, reinforced mesh between the peg 9 of external support steel beam 3 and lower part
10 are embedded in the first concrete layer 4.
By connecting to form steel mesh 11, steel mesh perpendicular to the reinforcing rib of support steel beam 3 between several support steel beams 3
11 are all embedded in the second concrete layer 5.Support steel beam 3 uses reinforcing bar or angle steel.
Straightway 6 is parallel to horizontal plane, and the centering angle of arc segment 7 is 90 °, the right side of the straightway 6 of same 2 lower section of step
End is connect with the left end of arc segment 7, the lower end of the arc segment 7 of 2 lower section of step and adjacent next 2 lower straight section of step
The connection of 6 left ends.
Light filling object 12 is made of polyurethane or PVC material, and light filling object 12 is adhesive in respective side by both ends
Section steel beam 1 on or bind mode on support steel beam 3 and be fixed, above light filling object 12 is located on the right side of arc segment
Between below the left side of 2 corner angle of step.
The cross section of light filling object 12 is circular ring shape tubular structure or triangular structure of right angle (is as shown in the figure right angle three
Angular structure), wherein the two of triangular structure of right angle right-angle side is respectively parallel to the horizontal side of same level-one step 2 and vertical
Side.
Embodiment two: as shown in figure 8, the embodiment and embodiment one the difference is that, 18 upper surface of lower bolster is solid
Surely it is provided with high temperature resistant slide plate 26, high temperature resistant slide plate 26 is made of copper sheet, polyethylene board or polyethylene tetrafluoro plate, upper padding plate 19
Correspondence is supported on 26 upper surface of high temperature resistant slide plate.
Compared with the prior art, the utility model has the following advantages:
1, the upper end of upper layer ladder beam 14 and lower layer's ladder beam 15 is fixedly connected with platform 13, upper layer ladder beam 14 and lower layer's ladder beam 15
Lower end connect with platform 13 by the support component that is slidably connected, earthquake occur when, the support component that is slidably connected can up and down,
Relative displacement occurs on left and right and front-rear direction, thus can avoid producing between upper layer ladder beam 14, lower layer's ladder beam 15 and platform 13
It gives birth to stress and generates crack, is even broken.
2, the support component that is slidably connected uses two ways, and one is by the way of the support of ball 21, mounting plate 25 is welded
Connect on lower bolster 18, several slots offered on mounting plate 25, for placing ball 21, the setting of ball 21, by
Automatic adjustment is sensitiveer when jerk；Another kind by the way of being slidably supported between upper padding plate 19 and high temperature resistant slide plate 26,
High temperature resistant slide plate 26 is also indeformable when fire occurs, and has good sliding support effect.The diameter of cushion hole 22 is greater than fixed
The diameter of position pin 20, between upper padding plate 19 and lower bolster 18 above and below generation, on left and right and front-rear direction when relative displacement, positioning
Pin 20 can move inside cushion hole 22, avoid generating stress, have good damping and slidable adjustment effect；Styrofoam 23
With certain snubber elastomeric, plays and avoid effect very stiff and demanding between upper padding plate 19 and platform 13.
3, perforation is opened up on section steel beam 1, support steel beam 3 is mounted on two section steel beams 1 across perforation, is pouring first
Support steel beam 3 and two section steel beams 1 will be first welded as a whole before concrete, is being propped up before concrete layer 4 and the second concrete layer 5
Ensure the stability of section steel beam 1 and support steel beam 3 when mould pours.
4, in the first concrete layer 4 of external setting of section steel beam 1 and support steel beam 3 and the second concrete layer 5, and the
Steel mesh 11 is set in one concrete layer 4, peg 9 and reinforced mesh 10 are set in the second concrete layer 5, it in this way can be as far as possible
Relatively thin concrete is poured, and ensures that the first concrete layer 4 and the second concrete layer 5 will not crack, or even fall off, is made
The stability of steel concrete composite structure greatly enhances.
5, contour line of the section of the bottom surface of the second concrete layer 5 in left-right direction below every level-one step 2 is straight
7 structure of line segment 6+ arc segment, can be further reduced the amount of pouring of concrete in this way, mitigate the overall weight of stair, and bottom plate
Overall structure is wavy, has fine ornamental value.
6,1 side of section steel beam offers several sprue gates 8, first pours the second concrete layer 5 from bottom to top, then pours
One concrete layer 4, when pouring the first concrete layer 4, concrete can also will be in the first concrete layer 4 by sprue gate 8
Concrete further fills, and this mode that pours ensures to pour no dead angle.
7, pre-buried light filling object 12, light filling object 12 not only can further drop in the second concrete layer of step
The weight of low entire stair, and the cost of material is reduced, 12 both ends of light filling object are adhesive on the section steel beam 1 of respective side
Or binding can ensure that light filling object 12 is fixed in casting concrete, it is ensured that pour matter on support steel beam 3 in this way
Amount；The cross section of light filling object 12 be right angled triangle when, the shape just with the horizontal side of same level-one step and vertically
Side is adapted, so that the thickness for wrapping up concrete outside light filling object 12 is substantially well-balanced consistent.
The present embodiment not makes any form of restriction the shape of the utility model, material, structure etc., all foundations
The technical essence of the utility model any simple modification, equivalent change and modification to the above embodiments, belong to this reality
With the protection scope of new technique scheme.
Claims (10)
1. the fixed lower end in upper end, which is slidably connected, supports Anti-seismic assembled stair, it is characterised in that: including horizontally disposed platform,
Lower layer's ladder beam that the upper layer ladder beam and left low and right high that right low left high is obliquely installed are obliquely installed, upper layer ladder beam and lower layer ladder Liang Junwei
Assembled steel concrete composite structure, platform sinistral bottom are provided with landing beam along anterior-posterior horizontal direction, are equipped on landing beam several
A support bracket, the front side portion of upper layer ladder beam right end are connect at least two support brackets by the support component that is slidably connected, under
The rear lateral portion of the terraced beam right end of layer is fixedly connected at least two support brackets；
Upper layer ladder beam is identical with the construction of lower layer's ladder beam；Upper layer ladder beam include two side by side and the fashioned iron that is obliquely installed of right low left high
Beam, the top and bottom of two section steel beams are bent into or are fixedly connected with a horizontal connector, set between two section steel beams
It is equipped with the sequentially connected step of several grades, every grade of step includes that several support steel beams and bar are provided with along anterior-posterior horizontal direction
The light filling object of shape structure, two section steel beams offer the perforation of several correspondences, and support steel beam is plugged in perforation
And section steel beam is stretched out at support steel beam both ends, pours outside two section steel beams support steel beam two ends being embedded in inside
The outside of first concrete layer, support steel beam and light filling object pours to form the sequentially connected step of several grades
Second concrete layer, the first concrete layer and the second concrete layer pour simultaneously using after formwork together, the second concrete
Contour line of the section below every level-one step of the bottom surface of layer in left-right direction is straightway+camber line segment structure.
2. the fixed lower end in upper end according to claim 1, which is slidably connected, supports Anti-seismic assembled stair, it is characterised in that:
The support component that is slidably connected includes horizontally disposed lower bolster and upper padding plate, and lower bolster is fixed at the top of support bracket, on
Backing plate upper surface is fixedly connected on the bottom of level connection joint head, and lower bolster upper surface is fixedly installed mounting plate and is located at mounting plate
The positioning pin of front and rear sides offers several slots on mounting plate, ball is equipped in slot, ball top protrudes from installation
Plate upper surface offers the cushion hole for penetrating positioning pin on upper padding plate, and the diameter of cushion hole is greater than the diameter of positioning pin, on
Backing plate correspondence is supported at the top of ball and positioning pin penetrates in cushion hole, between having between upper padding plate right edge and platform sinistral portion
Gap is provided with the styrofoam of strip in gap.
3. the fixed lower end in upper end according to claim 1, which is slidably connected, supports Anti-seismic assembled stair, it is characterised in that:
The support component that is slidably connected includes horizontally disposed lower bolster and upper padding plate, and lower bolster is fixed at the top of support bracket, on
Backing plate upper surface is fixedly connected on the bottom of level connection joint head, and lower bolster upper surface is fixedly installed high temperature resistant slide plate and is located at resistance to
The positioning pin of high temperature slide plate front and rear sides, high temperature resistant slide plate are made of copper sheet, polyethylene board or polyethylene tetrafluoro plate, upper padding plate
On offer cushion hole for penetrating positioning pin, the diameter of cushion hole is greater than the diameter of positioning pin, and upper padding plate correspondence is supported on
High temperature resistant slide plate upper surface and positioning pin penetrates in cushion hole has gap, In between upper padding plate right edge and platform sinistral portion
The styrofoam of strip is provided in gap.
4. the fixed lower end in upper end according to claim 1 or 2 or 3, which is slidably connected, supports Anti-seismic assembled stair, special
Sign is: section steel beam uses channel steel or C-type steel, and the opening of two section steel beams is oppositely arranged, the front side of front side section steel beam and rear side
The rear side of section steel beam offers several for pouring the sprue gate of the second concrete layer, and each sprue gate is respectively positioned on step
The angle of horizontal plane and vertical plane.
5. the fixed lower end in upper end according to claim 4, which is slidably connected, supports Anti-seismic assembled stair, it is characterised in that:
The top and bottom of section steel beam are fixedly installed several pegs respectively, the supporting steel outside the peg on top, protrusion section steel beam
Setting is parallel to the reinforced mesh on section steel beam surface between beam and the peg of lower part, and reinforced mesh is embedded in the first concrete layer
It is interior.
6. the fixed lower end in upper end according to claim 1 or 2 or 3, which is slidably connected, supports Anti-seismic assembled stair, special
Sign is: connecting to form steel mesh by the reinforcing rib perpendicular to support steel beam between several support steel beams, steel mesh is whole
It is embedded in the second concrete layer.
7. the fixed lower end in upper end according to claim 1 or 2 or 3, which is slidably connected, supports Anti-seismic assembled stair, special
Sign is: support steel beam uses reinforcing bar or angle steel.
8. the fixed lower end in upper end according to claim 1 or 2 or 3, which is slidably connected, supports Anti-seismic assembled stair, special
Sign is: straightway is parallel to horizontal plane, and the centering angle of arc segment is 90 °, the right end of the straightway below the same step with
The left end of arc segment connects, and the lower end of the arc segment below a step and adjacent next step lower straight section left end connect
It connects.
9. the fixed lower end in upper end according to claim 1 or 2 or 3, which is slidably connected, supports Anti-seismic assembled stair, special
Sign is: light filling object is made of polyurethane or PVC material, and light filling object is adhesive in the fashioned iron of respective side by both ends
On beam or binds mode on support steel beam and be fixed, light filling level top and step corner angle on the right side of arc segment
Left side below between.
10. the fixed lower end in upper end according to claim 9, which is slidably connected, supports Anti-seismic assembled stair, feature exists
In: the cross section of light filling object be circular ring shape tubular structure or triangular structure of right angle, wherein the two of triangular structure of right angle
Right-angle side be respectively parallel to same level-one step horizontal side and vertical side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920183369.9U CN209637137U (en) | 2019-02-02 | 2019-02-02 | The fixed lower end in upper end, which is slidably connected, supports Anti-seismic assembled stair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920183369.9U CN209637137U (en) | 2019-02-02 | 2019-02-02 | The fixed lower end in upper end, which is slidably connected, supports Anti-seismic assembled stair |
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| Publication Number | Publication Date |
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| CN209637137U true CN209637137U (en) | 2019-11-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109629775A (en) * | 2019-02-02 | 2019-04-16 | 河南绿建建筑科技有限公司 | The fixed lower end in upper end, which is slidably connected, supports Anti-seismic assembled stair |
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2019
- 2019-02-02 CN CN201920183369.9U patent/CN209637137U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109629775A (en) * | 2019-02-02 | 2019-04-16 | 河南绿建建筑科技有限公司 | The fixed lower end in upper end, which is slidably connected, supports Anti-seismic assembled stair |
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