CN104963467B - A kind of stair - Google Patents
A kind of stair Download PDFInfo
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- CN104963467B CN104963467B CN201510024455.1A CN201510024455A CN104963467B CN 104963467 B CN104963467 B CN 104963467B CN 201510024455 A CN201510024455 A CN 201510024455A CN 104963467 B CN104963467 B CN 104963467B
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- steel keel
- type steel
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- web
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Abstract
The invention provides a kind of stair, the stair include the first bench, the first tie-beam, the body of first tie-beam is fixedly connected with first bench, the first end of first tie-beam is fixedly connected with floor/ground, and the second end of first tie-beam is fixedly connected with connecting platform/floor；The first end of first bench is fixedly connected with floor/ground, and the second end of first bench is fixedly connected with connecting platform/floor.Stair provided by the present invention, its is simple in construction, and stair step both sides both can guarantee that the globality of stair, and can makes the stress of stair effectively transmit, adds stability and security without setting structure wall.
Description
Technical field
The present invention relates to house technical field, more particularly to a kind of stair.
Background technology
At present, integrated house with its short construction period, safe and reliable, environmental pollution is small, handsome in appearance the advantages that
It is widely used.So in order to preferably ensure the security and stability of integrated house, not only its overall framework will
Good robustness and stability are asked, and also requirement will have good stability and connectivity to each component.For example, building
Ladder.Stair are as the friendship standard member between building interbed, and it by being closely attached together in house between layers.Especially
It is such as the integrated house in the house of low layer, it is the main vehicles.
In integrated house, the integrated house of steel construction is most widely used.So how steel construction integrated house
Annexation between stable safe stair and the wall in stair and house, floor and floor is provided in room, is current
It is badly in need of the technical problem solved.
The content of the invention
In view of the above-mentioned problems, solve the problems, such as the stair of any of the above it is an object of the invention to provide a kind of.
The invention provides a kind of stair.The stair are steel structure stairway, and the stair include the first bench, the first company
Beam is connect, the body of first tie-beam is fixedly connected with first bench, the first end of first tie-beam and floor/
Ground is fixedly connected, and the second end of first tie-beam is fixedly connected with connecting platform/floor；The first of first bench
End is fixedly connected with floor/ground, and the second end of first bench is fixedly connected with connecting platform/floor；
Wherein, first bench is marked time including N number of, wherein, N is positive integer, is each marked time including first support, second
Support and the first pedal, the height of the first support are more than the height of the second support, first wing of the first support
First edge of a wing of edge and the second support is generally aligned in the same plane, and first pedal connects first edge of a wing of the first support
Formed and marked time with first edge of a wing of the second support；
It is described it is N number of mark time in each mark time and be fixedly connected with the body of first tie-beam.
Wherein, the first support is the first C-type steel keel and the second support is the second C-type steel keel；Described
The height of one C-type steel keel is more than the second C-type steel keel；First edge of a wing of the first C-type steel keel and the 2nd C
First edge of a wing of shaped steel keel is located in same level, first edge of a wing of first pedal and the first C-type steel keel
It is fixedly connected with first edge of a wing of the second C-type steel keel, formation is marked time；The first end of the first C-type steel keel and institute
The body for stating the first tie-beam is fixedly connected,
Wherein, the web of the web of i-th the first C-type steel keel marked time and the i-th -1 the second C-type steel keel marked time
It is fixedly connected, the first C-type steel keel that web and the i+1 of described i-th the second C-type steel keel marked time are marked time fix company
Connect, wherein, 1 ＜ i ＜ N；1st first second edge of a wing of C-type steel keel marked time is fixedly connected with floor/ground, and the 1st is marked time
The webs of the second C-type steel keel be fixedly connected with the web of the 2nd the first C-type steel keel marked time；N-th mark time first
The web of the web of C-type steel keel and N-1 the second C-type steel keel marked time is fixedly connected, the n-th mark time second
The web of C-type steel keel is fixedly connected with connecting platform/floor.
Wherein, first tie-beam is buckled together and formed by a C-type steel keel and a U-shaped steel keel, wherein, institute
The first end of the web and the first C-type steel keel each marked time of stating the C-type steel keel of the first tie-beam passes through the first connector
It is fixedly connected；The first end of the web of the C-type steel keel of first tie-beam is connected by the second connector and floor/ground
Connect；Second end of the web of the C-type steel keel of first tie-beam is fixed by the 3rd connector and connecting platform/floor to be connected
Connect.
Wherein, first connector is " ┗ " type connector, and first connector includes being used for marking time with each
The first plate and the second plate for being fixedly connected with the body of first tie-beam that first support is fixedly connected；It is described
First plate is rectangular plate-like structure, and connection through hole is above set along its length on first plate；Second plate is
Rectangular plate-like structure, it is upper along its length on second plate that connecting hole is set.
Wherein, second connector is " ┗ " type connector, including for connecting the first end of first tie-beam
First component and the second component for being fixedly connected with floor/ground, the first component is rectangular plate-like structure, described
Two exhausting holes are set along its length on first component, often arrange three, the second component is rectangular plate-like structure, described second
Two connecting holes are set along its length on part.
Wherein, the 3rd connector includes first component, second component, third member, the 4th part and the 5th part,
Wherein, the first component, the second component and the third member are sequentially connected, the 4th part and described 5th
Part is divided into the both sides of the second component, and is set at a right angle with the second component；The first component and second component
At a right angle to set, the angle between the second component and the third member is between first tie-beam and connecting platform
Angle add 90 degree of sum.
Wherein, the stair also include the second tie-beam, and second tie-beam is U-shaped by a C-type steel keel and one
Steel joist is buckled together to be formed, wherein, the web of the C-type steel keel of second tie-beam and the first C-type steel each marked time
Second end of keel is fixedly connected by first connector；The first of the web of the C-type steel keel of second tie-beam
End is connected by second connector with floor/ground；Second end of the web of the C-type steel keel of second tie-beam leads to
The 3rd connector is crossed to be fixedly connected with connecting platform/floor.
Wherein, it is two neighboring mark time between height for previous the second C-type steel keel marked time first edge of a wing with after
Difference in height between first edge of a wing of one the first C-type steel keel marked time.
Wherein, the angle between the first bench of the stair and floor/ground is 25~30 degree.
Wherein, the angle between the first bench of the stair and floor/ground is 29 degree.
Stair provided by the present invention, be made up of C-type steel keel, and by corresponding connector and wall, floor and
Floor is fixedly connected.Its is simple in construction, and stair step both sides both can guarantee that the globality of stair, and can without setting structure wall
The stress of stair is effectively transmitted, add stability and security.Meanwhile when constructing at the scene, due to using c-type or
U-shaped steel keel, easy for construction, the cycle is short, and cost is also low.
Brief description of the drawings
It is incorporated into specification and the accompanying drawing of a part for constitution instruction shows embodiments of the invention, and with
Description is used for the principle for explaining the present invention together.In the drawings, similar reference is used to represent similar key element.Under
Accompanying drawing in the description of face is some embodiments of the present invention, rather than whole embodiments.Come for those of ordinary skill in the art
Say, on the premise of not paying creative work, other accompanying drawings can be obtained according to these accompanying drawings.
Fig. 1 illustrates the structural representation of stair provided by the present invention；
Fig. 2 illustrates the structural representation marked time of the first bench of stair provided by the present invention；
Fig. 3 illustrates the sectional view of the first connector of stair provided by the present invention；
Fig. 4 illustrates the schematic diagram of the first plate of the first connector of stair provided by the present invention；
Fig. 5 illustrates the first end and ground of the web of the C-type steel keel of the first tie-beam of stair provided by the present invention
The schematic diagram of face/flooring connection；
Fig. 6 illustrates the sectional view of the second connector of stair provided by the present invention；
Fig. 7 illustrates the schematic diagram of the first plate of the second connector of stair provided by the present invention；
Fig. 8 illustrates the schematic diagram of the second plate of the second connector of stair provided by the present invention；
Fig. 9 illustrates the first shrouding of opening section of the first end of the first tie-beam of stair provided by the present invention
Figure；
The first shrouding of the opening of the first end of the first tie-beam of stair provided by the present invention is illustrated in Figure 10
The first side plate schematic diagram；
Figure 11 illustrates the signal that the second end of the first tie-beam of stair provided by the present invention is connected with connecting platform
Figure；
Figure 12 illustrates the structural representation of the 3rd connector of stair provided by the present invention；
Figure 13 illustrates the top view of the 3rd connector of stair provided by the present invention；
Figure 14 illustrates the left view of the 3rd connector of stair provided by the present invention；
Figure 15 a illustrate the schematic diagram for the connecting platform being connected with stair provided by the present invention；
Figure 15 b illustrate the connection diagram with the second step of stair provided by the present invention and connecting platform；
Figure 16 illustrates one end being fixedly connected with connecting platform of the 3rd tie-beam of stair provided by the present invention
The second shrouding sectional view that opening is set；
Figure 17 illustrates one end being fixedly connected with connecting platform of the 3rd tie-beam of stair provided by the present invention
The schematic diagram of first side plate of the second shrouding that opening is set；
Figure 18 illustrates the sectional view of the 4th connector of stair provided by the present invention；
Figure 19 illustrates the schematic diagram of the first plate face of the 4th connector of stair provided by the present invention；
Figure 20 illustrates the schematic diagram of the second plate face of the 4th connector of stair provided by the present invention；
Figure 21 illustrates the sectional view of the 5th connector of stair provided by the present invention；
Figure 22 illustrates the top view of the 5th connector of stair provided by the present invention；
Figure 23 illustrates the left view of the 5th connector of stair provided by the present invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.Need
Illustrate, in the case where not conflicting, the feature in embodiment and embodiment in the application can be mutually combined.
The basic thought of the present invention is to provide a kind of stair, and stair include bench and tie-beam.Stair are by C-type steel dragon
Bone and/or U lightgage steel joists are formed.I.e. the bench of stair, tie-beam and connecting platform are by C-type steel keel and/or the light steel dragons of U
Bone is formed.Bench includes marking time, and marks time including two supports and pedal.Pedal connects two supports formation and marked time.Two supports
It is C-type steel keel.Two supports are fixedly connected with the corresponding support in adjacent mark time respectively.The both ends of the bench of stair
It is fixedly connected respectively with connecting platform and floor/ground.Tie-beam is fixedly connected with each mark time in the bench of stair, and two
End is fixedly connected with connecting platform and floor/ground.Stair provided by the present invention, it is simple in construction, and make use of C-type steel keel
Bench and bench and floor, ground and the annexation for linking platform are formd with the design feature of U lightgage steel joists.It can protect
The globality of stair is demonstrate,proved, and can makes the stress of stair effectively transmit, adds stability and security.It is provided by the present invention
Stair can apply in any house being adapted in use to, such as steel house and cold bending thin wall light steel structure house.
Below in conjunction with the accompanying drawings to being described in detail according to the stair provided of the present invention.
As shown in figure 1, Fig. 1 illustrates the structural representation of stair provided by the present invention.Stair provided by the present invention
It can be arranged in the house passage of no middle walls, stair 1 include the first bench 10 and the first tie-beam 20.As shown in figure 1,
Stair 1 can also include connecting platform 30.Wherein, the first bench 10 is fixedly connected with the body 201 of the first tie-beam 20.First
The first end 202 of tie-beam 20 is fixedly connected with floor/ground 2.The second end 204 and the connecting platform 30 of first tie-beam 20
Side 301 is fixedly connected.The opposite side 302 of connecting platform 30 is fixedly connected with the wall in house.
First bench 10 is marked time including N number of, wherein, N is positive integer.In Fig. 1, the first bench 10 is marked time including 10.
This does not turn into the restriction for the number marked time that can include to the first bench 10.The story height that can be covered according to bench
The number that the parameter settings such as the length on ground that degree, bench cover are marked time.
Each mark time includes first support, second support and a pedal.Pedal connects two supports formation one and stepped on
Step.The height of first support is more than the height of second support, first edge of a wing of first support and the edge of a wing of second support positioned at same
On one horizontal plane, first edge of a wing on first edge of a wing and second support of pedal and first support, which is fixedly connected to form, marks time.Two
Support is C-type steel keel or U-shaped steel keel.
It is described in detail below so that two supports are C-type steel keel as an example.Each mark time includes the first C-type steel dragon
Bone, the second C-type steel keel and the first pedal.Wherein, the height of the first C-type steel keel is more than the height of the second C-type steel keel, i.e.,
The height of the web of first C-type steel keel is more than the height of the web of the second C-type steel keel.In the application process of reality, the
First edge of a wing of one C-type steel keel and first edge of a wing of the second C-type steel keel are located in same level, so, the first pedal
It is fixedly connected respectively with first edge of a wing of the first C-type steel keel and first edge of a wing of the second C-type steel keel, forms one and mark time.
It is two neighboring mark time between the webs of corresponding first C-type steel keel be fixedly connected with the web of the second C-type steel keel.That is, it is preceding
The web of one the second C-type steel keel marked time is fixedly connected with the web of next the first C-type steel keel marked time.Adjacent two
It is individual mark time between height can be by adjusting the web and the 2nd C of corresponding first C-type steel keel between two neighboring mark time
The connection width of the web of shaped steel keel is realized.For example, it is higher if necessary to the height between two neighboring mark time, then may be used
To reduce the company between two neighboring mark time between the web of corresponding first C-type steel keel and the web of the second C-type steel keel
Connect width.As shown in Fig. 2 in Fig. 2, the 1st height marked time between 12 of marking time 11 and the 2nd, can be stepped on by adjusting the 1st
Step 11 the second C-type steel keel 111 web 1112 and the 2nd mark time 12 the first C-type steel keel 120 web 1201 company
Width is connect to realize.The height marked time if desired is high, then the 1st mark time 11 the second C-type steel keel 111 web 1112 with
2nd mark time 12 the first C-type steel keel 120 web 1201 connection width it is smaller.The height marked time if desired is not
Height, then the 1st mark time 11 the second C-type steel keel 111 web 1112 and the 2nd mark time 12 the first C-type steel keel 120
The connection width of web 1201 can be with wider.So, the two neighboring height marked time be the 1st mark time 11 the second c-type
First edge of a wing 1111 of steel joist 111 and the 2nd mark time 12 the first C-type steel keel 120 first edge of a wing between difference in height.
Specifically, the N number of of the first bench 10 marks time, and is marked time with what floor/ground 2 was fixedly connected, can be referred to as the 1st
It is individual to mark time 11, the first end of the first bench 10 can also be referred to as.Marking time for 1st 11 includes the first C-type steel keel 110, the 2nd C
The pedal 112 of shaped steel keel 111 and first.The height of first C-type steel keel 110 is more than the height of the second C-type steel keel 111, i.e.,
The height of the web of first C-type steel keel 110 is more than the height of the web of the second C-type steel keel 111.For example, the first C-type steel is imperial
The height of the web of bone 110 can be 235 millimeters, and the height of the web 1112 of the second C-type steel keel can be 90 millimeters.In reality
In the application of border, first edge of a wing 1101 of the first C-type steel keel 110 is with first edge of a wing 1111 of the second C-type steel keel 111 same
On horizontal plane, so, the first pedal 112 first edge of a wing 1101 with the first C-type steel keel 110 and the second C-type steel keel respectively
111 first edge of a wing 1111 is fixedly connected, and is formed the 1st and is marked time.1st mark time 11 the second C-type steel keel 111 web
1112 are fixedly connected with the 2nd 12 web 1201 of the first C-type steel keel 120 of marking time.As shown in figure 1, the 1st is marked time 11
The web 1112 of second C-type steel keel 111 and the 2nd mark time 12 the first C-type steel keel 120 web 1201 be brought into close contact it is solid
Surely link together, i.e., to be fixedly connected in back-to-back fashion.Connected mode can using it is any it is suitable by the way of, for example, from
Attack self-drilling screw connection or be fixedly connected by the way of bolt.1st mark time 11 the first C-type steel keel 110 second
The edge of a wing 1102 is fixedly connected with floor/ground 2.
In order to provide the 1st mark time and the 2nd mark time between appropriate height, the 1st can be adjusted and mark time 11
The second C-type steel keel 111 web 1112 and the 2nd mark time 12 the first C-type steel keel 120 web 1201 fixed company
The width connect, for example, can make the 1st mark time 11 the second C-type steel keel 111 second edge of a wing 1113 and the 2nd mark time 12
Stagger or align in second edge of a wing 1203 of the first C-type steel keel 120.
Similarly, marking time for i-th also includes the first C-type steel keel, the second C-type steel keel and the first pedal, wherein, 1 ＜ i ＜
N.The height of first C-type steel keel is more than the height of the second C-type steel keel, i.e. the height of the web of the first C-type steel keel is more than
The height of the web of second C-type steel keel.For example, the height of the web of the first C-type steel keel can be 235 millimeters, the second c-type
The height of the web of steel joist can be 90 millimeters.First edge of a wing of the first C-type steel keel and first wing of the second C-type steel keel
Edge is in same level, so, the first pedal respectively with first edge of a wing of the first C-type steel keel and the second C-type steel keel
First edge of a wing is fixedly connected, and is formed i-th and marked time.What the web of i-th the first C-type steel keel marked time and the i-th -1 marked time
The web of second C-type steel keel, which is brought into close contact, to be fixedly connected.The web of i-th of the second C-type steel keel marked time is stepped on i+1
The web of first C-type steel keel of step, which is brought into close contact, to be fixedly connected.Connected mode can using it is any it is suitable by the way of, for example,
Welding is fixedly connected by the way of screw bolt and nut cooperation.
In order to provide mark time for i-th and i+1 mark time between appropriate height, can adjust i-th and mark time
The second C-type steel keel the width that is fixedly connected of the web of the first C-type steel keel marked time of web and i+1, such as can
So that second edge of a wing of the first C-type steel keel that second edge of a wing of i-th of the second C-type steel keel marked time is marked time with i+1
Stagger or align.
Marked time with what connecting platform 30 was fixedly connected, n-th can be referred to as and mark time 91, the first bench 10 can also be referred to as
The second end.N-th is marked time and 91 includes the first C-type steel keel 910, the second C-type steel keel 911 and the first pedal 912.First C
The height of shaped steel keel 910 is more than the height of the second C-type steel keel 911, i.e. the height of the web of the first C-type steel keel 910 is big
In the height of the web of the second C-type steel keel 911.For example, the height of the web of the first C-type steel keel 910 can be 235 millis
Rice, the height of the second C-type steel keel 911 can be 90 millimeters.In actual applications, first edge of a wing of the first C-type steel keel 910
9101 and second C-type steel keel 911 first edge of a wing 9111 in same level, so, the first pedal 912 is respectively with first
First edge of a wing 9101 of C-type steel keel 910 is fixedly connected with first edge of a wing 9111 of the second C-type steel keel 911, forms n-th
Mark time.The web of web 9102 and N-1 the second C-type steel keel marked time of the first C-type steel keel that n-th is marked time is close
Fitting is fixedly connected.Mark time 91 web 9112 of the second C-type steel keel 911 of n-th is fixedly connected with connecting platform 30.Connection
Mode can using it is any it is suitable by the way of, for example, self tapping self-drilling screw connection or using screw bolt and nut coordinate by the way of
It is fixedly connected.
In order to provide n-th mark time and N-1 mark time between appropriate height, n-th can be adjusted and marked time
The width that the web 9102 of 91 the first C-type steel keel 910 is fixedly connected with the web of N-1 the second C-type steel keel marked time
Degree, for example, can make n-th mark time 91 the first C-type steel keel 910 individual the 2nd C to mark time of second edge of a wing 9103 and N-1
Stagger or align in second edge of a wing of shaped steel keel.
As described in Fig. 1, certain angle α be present between the first bench 10 and ground/flooring.α size can basis
It is actually needed and is set, for example, it can be set to for 25 degree~30 degree.Specifically, can set the first bench 10 and ground/
Certain angle α between flooring be present for 29 degree.
As shown in figure 1, the first tie-beam 20 is buckled together and formed by a C-type steel keel and a U-shaped steel keel.It is U-shaped
Steel joist clasps C-type steel keel and forms the first tie-beam 20.The web of C-type steel keel and U-shaped steel keel forms described first and connected
Connect the body 201 of beam.Connected mode can using it is any it is suitable by the way of, for example, self tapping self-drilling screw connection or using spiral shell
The mode that screw bolt and nut coordinates is fixedly connected.The side of first bench 10 and the wall connecting in house, opposite side are connected with first
Beam 20 is fixedly connected.Meanwhile first one end 202 of tie-beam 20 be fixedly connected with ground/flooring 2, the other end 204 is flat with being connected
Platform 30 is fixedly connected.First tie-beam 20 can be by forming the C-type steel keel of the first tie-beam 20 or the abdomen of U-shaped steel keel
Plate and the first bench 10 it is each mark time, connecting platform 30 and ground/flooring 2 are fixedly connected.Below to form the first tie-beam
The each of the web of 20 C-type steel keel and the first bench 10 marks time, exemplified by connecting platform 30 and ground/flooring 2 are fixedly connected
Illustrate.
The web for forming the C-type steel keel of the first tie-beam 20 is fixedly connected with each marking time for the first bench 10.Such as Fig. 2
It is shown, illustrate to Fig. 2 exemplary types in the first bench 10 the 2nd mark time 12 and first tie-beam 20 C-type steel keel 201 abdomen
The connection diagram of plate 2011.Wherein, the 2nd 12 web 1201 of the first C-type steel keel 120 of marking time passes through the first connector
1202 and first tie-beam 20 C-type steel keel 201 web 2011.
Fig. 3 illustrates the sectional view of the first connector 1202.As shown in Figure 3, the first connector 1202 connects for " ┗ " type
Part.First connector 1202 includes the first plate 1202a and the second plate 1202b.First plate 1202a and the second plate
1202b is set at a right angle.
The first plate 1202a schematic diagram is illustrated in Fig. 4.Wherein, the first plate 1202a is rectangular plate-like structure, its
A length of 100 millimeters, a width of 35 millimeters, thickness is 1.6 millimeters.Wherein, three connection through holes are set on the first plate 1202a.
Length direction one row of three connection through holes along the first plate 1202a is set.Three pitchs of holes are 30 millimeters.Three connections
The aperture of through hole is 4 millimeters.First plate be used for marked time at the 2nd 12 the first C-type steel keel 120 web 1201 it is solid
Fixed connection.
Second plate 1202b (not shown) is identical with the first plate 1202a structure, i.e. the second plate 1202b is rectangle
Platy structure, its a length of 100 millimeters, a width of 35 millimeters, thickness is 1.6 millimeters.Set three connections logical on second plate 1202b
Hole.Length direction one row of three connection through holes along the second plate 1202b is set.Three pitchs of holes are 30 millimeters.Three
The aperture for connecting through hole is 4 millimeters.Second plate 1202b is used for the web with the C-type steel keel 201 of the first tie-beam 20
2011 are fixedly connected.
The first of first plate 1202a is fixed together in L1 first with the second plate 1202b so that first
Plate 1202a and the second plate 1202b are set at a right angle.First plate 1202a and the second plate 1202b may be integrally formed,
Can also by other it is any it is suitable in a manner of formed.Three on first plate 1202a connection through holes and its first side L1 away from
It it is 20 millimeters from T1.The distance of three connection through holes and its first side on second plate 1202b is 20 millimeters.First side L1 is
First plate 1202a long side, length are 100 millimeters.First side is the second plate 1202b long side, and length is 100 millimeters.
The first of first plate 1202a is fixed together in aligned manner in L1 first with the second plate 1202b.
The 2nd mark time 12 the first C-type steel keel 120 web 1201 on be provided with three and the first plate 1202a
On three connection the corresponding connecting holes of through hole.Use is provided with the web 2011 of the C-type steel keel 201 of the first tie-beam 20
In with three connecting holes for being connected through hole on the second plate 1202b.By the first connector, the 2nd mark time 12 the first c-type
The web 2011 of the web 1201 of steel joist 120 and the C-type steel keel of the first tie-beam 20 is fixed together, so that
Mark time for 2nd and be fixedly connected with the first tie-beam 20.
In the foregoing description, three connection through holes are respectively provided with two plates on the first connector 1202, with even
Connect the 2nd mark time 12 and first tie-beam 20.This is exemplary description, does not turn into the first connector 1202 in the present invention
Restriction.In actual application, the number and set-up mode of connection through hole can be selected as needed.First connector
Two plates on 1202 may be integrally formed, can also any suitable mode be fixedly connected.
Similarly, each being marked time in the first bench 10 can be fixedly connected using aforesaid way with the first tie-beam 20.
The first end for forming the web of the U-shaped steel keel of the first tie-beam 20 is fixedly connected with ground/flooring 2.Such as Fig. 5 institutes
Show, Fig. 5 illustrates the signal that the first end of the web for the U-shaped steel keel to form the first tie-beam 20 is connected with ground/flooring 2
Figure.Wherein, the first end for forming the web of the U-shaped steel keel of the first tie-beam 20 passes through the second connector 2021 and ground/building
Face 2 is fixedly connected.
Fig. 6 illustrates the sectional view of the second connector 2021, and as shown in Figure 6, the second connector 2021 connects for " ┗ " type
Part.Second connector 2021 includes the first plate 2021a and the second plate 2021b.First plate 2021a and the second plate
2021b is set at a right angle.
The first plate 2021a of the second connector 2021 schematic diagram is illustrated in Fig. 7.Wherein, the first plate 2021a is
Rectangular plate-like structure, a length of 118 millimeters, a width of 100 millimeters, thickness is 1.6 millimeters.The second connector 2021 is illustrated in Fig. 8
The second plate 2021b schematic diagram.Wherein, the second plate 2021b is rectangular plate-like structure, a length of 100 millimeters, a width of 61.6
Millimeter, thickness are 1.6 millimeters.Wherein, the first plate 2021a of the second connector 2021 the first side a1 and the second connector
2021 the second plate 2021b the first side b1 is fixed together so that the first plate 2021a of the second connector 2021
It is connected at a right angle with the second plate 2021b of the second connector 2021.First side a1 be the first plate 2021a broadside, length
For 100 millimeters.First side b1 is the second plate 2021b long side, and length is 100 millimeters.First plate 2021a the first side a1
It is fixed together in aligned manner with the second plate 2021b the first side b1.
As shown in fig. 7, six connection through holes are set on the first plate 2021a of the second connector 2021.Six connections are logical
Length direction two row of the hole along the first plate 2021a is set, and often arranges three through holes.Three through holes are often arranged to be in line setting,
And three pitch of holes c1 are 25 millimeters.Often the distance between row c2 is 50 millimeters.Wherein, close to the first side a1 two through holes
The first side of distance a1 distance c3 is 48 millimeters.The aperture of six connection through holes is 4 millimeters.
In order that the second connector 2021 connects the first tie-beam 20 and during ground/floor 2,11 are not marked time with the 1st
Second edge of a wing 1102 of the first C-type steel keel 110 produces conflict, and the first plate 2021a of the second connector 2021 is used for and shape
First end into the web of the U-shaped steel keel of the first tie-beam 20 is fixedly connected, to make the first tie-beam 20 and ground/floor 2
It is fixedly connected.
As shown in figure 8, Fig. 8 illustrates the second plate 2021b of the second connector 2021 schematic diagram.Second plate
Two connection through holes are set on 2021b.Length direction of two connection through holes along the second plate 2021b is set.Between two holes
Away from being 40 millimeters.The aperture of two connection through holes is 12.5 millimeters.Second plate 2021b is used to fix with ground/floor 2
Connection.
First plate 2021a can be by the cooperation with screw bolt and nut, the U-shaped steel keel with forming the first tie-beam 20
The first end of web be fixedly connected.Second plate 2021b is fixedly connected for example, by expansion bolt with ground/floor 2.Expansion
The diameter of bolt can elect 12 millimeters as.So, first tie-beam 20 is consolidated with ground/floor 2 by the second connector 2021
Surely link together.
In the foregoing description, the number of the connecting hole set in two plates on the second connector 2021, simply example
Property description, not turn into the present invention in the second connector 2021 restriction.In actual application, it can select as needed
Connect the number and set-up mode of through hole.
Further, since the first tie-beam 20 is buckled together and formed by a C-type steel keel and a U-shaped steel keel, it is
The opening at closing the first tie-beam 20 both ends, the invention provides the first shrouding 203.For the first tie-beam 20 of closing
The opening of first end 202, that is, form the first end and the web of U-shaped steel keel of the web of the C-type steel keel of the first tie-beam
Illustrated exemplified by the opening that first end is formed.As shown in figure 5, the opening of 20 first end of the first tie-beam 202 is provided with
One shrouding 203.
The sectional view of the first shrouding 203 is illustrated in Fig. 9.As shown in Figure 9, the first shrouding 203 is U-shape structure, including bottom
Plate 2030, the first side plate 2031 and the second side plate 2032.Wherein, the length of bottom plate is 138 millimeters, and width is 57.2 millimeters, thick
Spend for 1.6 millimeters.The schematic diagram of the first side plate 2031 is illustrated in Figure 10.It is rectangular plate-like structure in the first side plate 2031, it is a length of
138 millimeters, a width of 35 millimeters, thickness is 1.6 millimeters.Four connecting holes, four connecting holes are provided with the first side plate 2031
Set along the row of length direction one of the first side plate 2031, the pitch of holes of four connecting holes is 30 millimeters.Aperture is 4 millis
Rice.The structure of second side plate 2032 is rectangular plate-like structure as the structure of the first side plate 2031, a length of 138 millimeters, a width of
35 millimeters, thickness is 1.6 millimeters.It is provided with four connecting holes on the second side plate 2032, four connecting holes are along the second side plate
2032 row of length direction one is set, and the pitch of holes of four connecting holes is 30 millimeters.Aperture is 4 millimeters.
In actual application, the first side plate 2031 of the first shrouding 203 and the connection of the second side plate 2032 insertion first
The opening that the first end of the web of the C-type steel keel of beam 20 and the first end of the web of U-shaped steel keel are formed, and be connected with first
The first end 202 of the web of the C-type steel keel of beam 20 or the first end of the web of U-shaped steel keel are fixedly connected.Specifically,
First side plate 2031 of one shrouding 203 can be fixedly connected with the first end of the web of the C-type steel keel of the first tie-beam 20, that
Second side plate 2032 of the first shrouding 203 is fixedly connected with the first end of the web of the U-shaped steel keel of the first tie-beam 20.When
So, the first side plate 2031 of shrouding 203 can also be fixed with the first end of the web of the U-shaped steel keel of the first tie-beam 20 and connected
Connect, then the first end of the web of the second side plate 2032 of the first shrouding 203 and the C-type steel keel of the first tie-beam 20, which is fixed, to be connected
Connect.
Second end 204 of the first tie-beam 20 is fixedly connected with connecting platform 30.As shown in figure 11, Figure 11 illustrates first
The schematic diagram that second end 204 of tie-beam 20 is connected with connecting platform 30.Wherein, the end 204 of the first tie-beam 20 second passes through
Three connectors 205 are fixedly connected with connecting platform 30.
Figure 12 illustrates the structural representation of the 3rd connector 205.Wherein the 3rd connector 205 includes first component
2051st, second component 2052, third member 2053, the 4th part 2054 and the 5th part (not shown).First component 2051,
Two parts 2052 and third member 2053 are sequentially connected, and the 4th part 2054 and the 5th part 2055 are divided into second component 2052
Both sides, and set at a right angle with second component 2052.
First component 2051 is used to be fixedly connected with the landing 3011 of connecting platform 30.Second component 2052 be used for
Landing beam 3012 is fixedly connected.Third member 2053 is used for first wing of the U-shaped steel keel with forming the first tie-beam 20
Edge is fixedly connected with first edge of a wing of C-type steel keel.4th part 2054 is used for the U-shaped steel keel with forming the first tie-beam 20
Web be fixedly connected.The web that 5th part 2055 is used for the C-type steel keel with forming the first tie-beam 20 is fixedly connected.The
One part 2051 and second component 2052 are set at a right angle.Angle between second component 2052 and third member 2053 and first
Tie-beam 20 is relevant with the angle on floor/ground 2.For example, if the first tie-beam 20 and the angle on floor/ground 2 are 29 degree,
Angle so between second component 2052 and third member 2053 is (29+90)=119 degree.4th part 2054 and the 5th
Part 2055 is divided into the both sides of second component 2052, and setting at a right angle.
Figure 13 illustrates the top view of the 3rd connector 205.As shown in Figure 13, first component 2051 is rectangular plate-like knot
Structure, a length of 58.6 millimeters, a width of 40 millimeters, thickness is 1.6 millimeters.Four through holes are provided with first component 2051, are divided to two rows
Set, often arrange two.The spacing of upper two through holes set is 30 millimeters along its length, in the width direction upper two set
The spacing of through hole is 20 millimeters.
Figure 14 illustrates the left view of the 3rd connector 205.As shown in Figure 14, second component 2052 is rectangular plate-like knot
Structure, a length of 270 millimeters, a width of 58.6 millimeters, thickness is 1.6 millimeters.16 connecting holes are provided with second component 2052, along length
Spend the row of direction two to set, often arrange 8, and the spacing in often arranging between each two connecting hole is 30 millimeters, between two rows between
Away from for 20 millimeters.
Understood with reference to shown in Figure 11-14, third member 2053 is rectangular plate-like structure, and length is 210 millimeters, a width of 54 milli
Rice, thickness are 1.6 millimeters.12 through holes are provided with third member 2053, two rows are set along its length, often arrange 6, and often
The distance between each two through hole is 30 millimeters in row, and the spacing between two rows is 20 millimeters.
As shown in Figure 12, the 4th part 2054 is rectangular plate-like structure, and length is 240 millimeters, and width is 45 millimeters, thickness
For 1.6 millimeters.The d2 in d1 first with second component 2052 of the first of 4th part 2054 is fixedly connected, and is set at a right angle
Put.7 connecting holes are provided with the 4th part 2054, along the length direction setting in a row of the 4th part 2054, and every two
Spacing between individual connecting hole is 30 millimeters.5th part is identical with the 4th modular construction, is rectangular plate-like structure, and length is
240 millimeters, width is 45 millimeters, and thickness is 1.6 millimeters.The first of 5th part while with second component 2052 second while fix
Connection, and setting at a right angle.7 connecting holes are provided with the 5th part, along the length direction setting in a row of the 5th part,
And the spacing between each two connecting hole is 30 millimeters.
As described above, it is fixed together by the 3rd connector 205, the first tie-beam 20 with connecting platform 30.
Specifically, the first component 2051 of the 3rd connector 205 is by self tapping self-drilling screw, the landing with connecting platform 30
3011 are fixedly connected.The second component 2052 of 3rd connector 205 is by the cooperation of self tapping self-drilling screw, with landing beam
3012 are fixedly connected.Meanwhile the 3rd connector 205 U-shaped steel keel of the third member 2053 with forming first tie-beam 20
First edge of a wing is fixedly connected with first edge of a wing of C-type steel keel.Third member 2053 is while fixation is played, and to
One tie-beam 20 plays a part of lifting, and adds the stability being connected between the first tie-beam 20 and connecting platform 30.The
Four parts 2054 and the 5th part are fixedly connected with the both sides of the first tie-beam 20 simultaneously, further improve the first tie-beam
The stability being connected between 20 and connecting platform 30.
As described above, stair 1 provided by the present invention also include connecting platform 30.As shown in fig. 15 a, Figure 15 a are illustrated
The schematic diagram of connecting platform 30.Connecting platform 30 includes landing 3011, landing beam 3012, crossbeam 3013 and at least
One column 3014.One end of at least one column 3014 is fixedly connected with floor/ground 2, and the other end is fixed with crossbeam 3013
Connection.The number of column according to the needs of the stability of connecting platform and other related needs, can set the number of column,
Such as 2.Crossbeam 3013 is fixedly connected with landing beam 3012.Landing beam 3012 is fixed with landing 3011 to be connected
Connect.
Wherein, the first tie-beam 20 is solid also by the second component 2052 and landing beam 3012 of the 3rd connector 205
Fixed connection, so that the first tie-beam 20 is fixedly connected with the landing beam 3012 of connecting platform.
As shown in Figure 1, the angle α between the first bench 10 and floor/ground 2.α size can according to be actually needed into
Row setting, for example, it can be set to for 25 degree~30 degree.Specifically, it can set and be deposited between the first bench 10 and ground/flooring
It it is 29 degree in certain angle α.So this limit for being not intended as the angle α in the present invention between the first bench 10 and floor/ground 2
Fixed, it can set the size of angle α as needed.
If stair provided by the present invention are arranged in the house passage of no any wall, then provided by the present invention
Stair can also include the second tie-beam.The structure of second tie-beam and with the first bench 10, ground/flooring 2, be connected it is flat
Annexation is identical with the first tie-beam 20 between platform 30, is just not described in detail here.
Stair 1 provided by the present invention also include the second step 40.Referring to Fig. 1 and Figure 15 b, one end of the second step 40 with
Connecting platform 30 is fixedly connected, and the other end is fixedly connected with floor 3.The second step 40 includes M and marked time, wherein, M is just whole
Number.The structure and annexation each marked time are identical with the structure of the first bench 10.Here just it is not described in detail.Second ladder
Mark time 41 web of the first C-type steel keel 410 of section the 1st of 40 is fixedly connected with connecting platform 30, and specifically, second is terraced
Mark time 41 web of the first C-type steel keel 410 of section the 1st of 40 is fixedly connected with connecting platform 30.The m-th of the second step 40
The web for the second C-type steel keel marked time is fixedly connected with floor 3.
If stair provided by the present invention are arranged in the house passage of no middle walls, then provided by the present invention
Stair can also include the 3rd tie-beam 50.The structure of 3rd tie-beam 50 and the annexation with the second step, with first
The structure of tie-beam and identical with the annexation of the first bench, is not just described in detail here.
One end of 3rd tie-beam 50 is fixedly connected with connecting platform 30, and the other end is fixedly connected with floor 3.It is as described above
, the 3rd tie-beam 50 is identical with the structure of the first tie-beam 20, i.e. the 3rd tie-beam 50 is by a C-type steel keel and one
U-shaped steel keel are buckled together to be formed, and there is opening at both ends.When 3rd tie-beam 50 is fixedly connected with connecting platform 30, in order to close
The opening of this one end of the 3rd tie-beam 50, the invention provides the second shrouding 501, is open for the 3rd tie-beam 50 of closing.
As illustrated in fig. 15b, second shrouding is set with one end being fixedly connected of connecting platform 30 in the 3rd tie-beam 50
501.The sectional view of the second shrouding 501 is illustrated in Figure 16, as shown in Figure 16, the second shrouding 501 is U-shape structure, including bottom plate
5011st, the first side plate 5012 and the second side plate 5013.Wherein, the length of bottom plate is 115 millimeters, and width is 57.2 millimeters, thickness
For 1.6 millimeters.The schematic diagram of the first side plate 5012 is illustrated in Figure 17.It is rectangular plate-like structure in the first side plate 5012, a length of 115
Millimeter, a width of 35 millimeters, thickness is 1.6 millimeters.Be provided with three connecting holes on the first side plate 5012, three connecting holes along
The row of length direction one of first side plate 5012 is set, and the pitch of holes of three connecting holes is 30 millimeters.Aperture is 4 millimeters.The
The structure of two side plates 5013 is rectangular plate-like structure, a length of 115 millimeters, a width of 35 in the least as the structure of the first side plate 5012
Rice, thickness are 1.6 millimeters.It is provided with three connecting holes on the second side plate 5013, three connecting holes are along the second side plate 5013
The row of length direction one set, the pitch of holes of three connecting holes is 30 millimeters.Aperture is 4 millimeters.
In actual application, the first side plate 5012 of the second shrouding 501 and the connection of the second side plate 5013 insertion the 3rd
The opening of beam 50, and be fixedly connected with the web of the web of the C-type steel keel of the 3rd tie-beam 50 or U-shaped steel keel.It is specific next
Say, the first side plate 5012 of the second shrouding 501 can be fixedly connected with the web of the C-type steel keel of the 3rd tie-beam 50, then
Second side plate 5012 of the second shrouding 501 is fixedly connected with the web of the U-shaped steel keel of the 3rd tie-beam 50.Certainly, the second envelope
First side plate 5012 of plate 501 can also be fixedly connected with the web of the U-shaped steel keel of the 3rd tie-beam 50, then the second shrouding
501 the second side plate 5013 is fixedly connected with the web of the C-type steel keel of the first tie-beam 50.
As described above, one end of the 3rd tie-beam 50 is fixedly connected with connecting platform 30, and the other end is fixed with floor 3 to be connected
Connect.3rd tie-beam 50 is fixedly connected by the 4th connector 502 with connecting platform 30.3rd tie-beam 50 passes through the 3rd connection
Part 205 is fixedly connected with floor 3.
Figure 18 illustrates the sectional view of the 4th connector 502.As shown in Figure 18, the 4th connector 502 connects for " ┗ " type
Part, including first panel 5021 and second panel 5022.Figure 19 illustrates the schematic diagram of first panel, wherein, first panel
5021 be rectangular plate-like structure, and a length of 116.6 millimeters, a width of 40 millimeters, thickness is 1.6 millimeters.Set in first panel 5021
There are four through holes, length direction one row of four through holes along first panel 5021 is set, and its spacing is 20 millimeters, and through hole
Diameter be 4 millimeters.First panel 5021 is used to be fixedly connected with the 3rd tie-beam 50.
Figure 20 illustrates the schematic diagram of the second panel 5022 of the 4th connector 502.Wherein, second panel 5022 is rectangle
Platy structure, a length of 61.6 millimeters, a width of 40 millimeters, thickness is 1.6 millimeters.A through hole is provided with second panel 5022,
A diameter of 12.5 millimeters of through hole.Second panel 5022 is used to be fixedly connected with the landing 3011 of connecting platform 30.
The other end of 3rd tie-beam 50 is fixedly connected by the 3rd connector 205 with floor 3.Specifically, first
Part 2051 is used to be fixedly connected with the flooring 31 of floor 3, and second component 2052 is used to be fixedly connected with the side 32 of floor 3, the
Three parts 2053 are used to consolidate with first edge of a wing of U-shaped steel keel for forming the 3rd tie-beam 50 and first edge of a wing of C-type steel keel
Fixed connection.The web that 4th part 2054 is used for the U-shaped steel keel with forming the 3rd tie-beam 50 is fixedly connected.5th part
2055 webs for being used for the C-type steel keel with forming the 3rd tie-beam 50 are fixedly connected.Third member 2053 is playing fixed work
With while, and the 3rd tie-beam 50 is played a part of lifting, adds what is be connected between the 3rd tie-beam 50 and floor 3
Stability.4th part 2054 and the 5th part 2055 are fixedly connected with the both sides of the 3rd tie-beam 50 simultaneously, are further carried
The high stability being connected between 3rd tie-beam 50 and floor 3.
If being provided with independent lintel 35 on floor 3, as shown in figure 1, the other end of the 3rd tie-beam 50 connects by the 5th
Fitting 503 is fixedly connected with floor 3.
Figure 21 illustrates the structural representation of the 5th connector 503.Wherein, the 5th connector 503 includes the first plate
5031st, the second plate 5032, the 3rd plate 5033 and the 4th plate 5034.Wherein, the first plate 5031 and the second plate 5032
It is fixedly connected and sets at a right angle.3rd plate 5033 and the 4th plate 5034 are divided into the both sides of the second plate 5032, and with
Two plates 5032 are set at a right angle.
First plate 5031 is used to connect to be fixedly connected with floor 3.Second plate 5032 is used to fix with independent lintel 35
Connection.The web that 3rd plate 5033 is used for the U-shaped steel keel with forming the 3rd tie-beam 50 is fixedly connected.4th plate is used for
The web of C-type steel keel with forming the 3rd tie-beam 50 is fixedly connected.
Figure 22 illustrates the top view of the 5th connector 503.As shown in Figure 22, the first plate 5031 is rectangular plate-like knot
Structure, a length of 58.6 millimeters, a width of 40 millimeters, thickness is 1.6 millimeters.Four through holes are provided with first plate 5031, are divided to two rows
Set, often arrange two.The spacing of upper two through holes set is 30 millimeters along its length, in the width direction upper two set
The spacing of through hole is 20 millimeters.
Figure 23 illustrates the left view of the 5th connector 503.As shown in Figure 23, the second plate 5032 is rectangular plate-like knot
Structure, a length of 475 millimeters, a width of 58.6 millimeters, thickness is 1.6 millimeters.28 connecting holes are provided with second component 2052 and are divided to two
Part is set, it is close with the first plate 5031 at Part I is set, Part I totally 14, be divided to two rows setting.Often arrange 7
Connecting hole.Wherein, the spacing of two neighboring connecting hole is 30 millimeters in often arranging.And it is close be connected with the first plate 5031
Two connecting holes of the first end of two plates 5032 and the first end 5032a of the second plate 5032 distance are 25 millimeters.By
Closely with setting Part II at the second end 5032b of the second plate 5032.Part II totally 14, it is divided to two rows to set, often arranges 7
Connecting hole.Wherein, the spacing of two neighboring connecting hole is 30 millimeters in often arranging.And close the second end with the second plate 5032
The distance at 5032b two connecting holes and the second end 5032 of the second plate 5032 is 30 millimeters.All in all, the second plate
28 connecting holes are set in 5032, and two rows are set along its length, often arrange 14.
As shown in Figure 21, the 3rd plate 5033 is rectangular plate-like structure, and length is 210 millimeters, and width is 45 millimeters, thickness
For 1.6 millimeters.The f2 in f1 first with the second plate 5032 of the first of 3rd plate is fixedly connected, and setting at a right angle.
6 connecting holes are provided with 3rd plate 5033, along the length direction setting in a row of the 3rd plate 5033, and each two connects
Spacing between hole is 30 millimeters.4th plate 5034 is identical with the 3rd plate structure, is rectangular plate-like structure, and length is
240 millimeters, width is 45 millimeters, and thickness is 1.6 millimeters.4th plate 5034 is fixedly connected with the second plate 5032, and Cheng Zhi
Angle is set.6 connecting holes are provided with the 4th plate 5034, along the length direction setting in a row of the 4th plate 5034, and
Spacing between each two connecting hole is 30 millimeters.
As described above, it is fixed together by the 5th connector 503, the 3rd tie-beam 50 with floor 3.It is specific next
Say, the first plate 5031 of the 5th connector 503 is fixedly connected by self tapping self-drilling screw with floor 3.Second plate 5032 is logical
Self tapping self-drilling screw is crossed, independent lintel 35 is fixedly connected.Meanwhile the 3rd plate 5033 and the 4th plate 5034 connect simultaneously with the 3rd
The both sides for connecing beam 50 are fixedly connected, so as to stably be connected between the 3rd tie-beam 50 and floor 3.
Stair provided by the present invention can apply in any house for being suitable to install, such as steel house and clod wash
Thin-walled light steel structure house.
Provided by the present invention to form stair by c-type or U-shaped steel keel, its is easy for construction, simple, and the cycle is short.Meanwhile profit
The characteristics of with c-type or U-shaped steel keel, and be fixedly connected by corresponding connector with wall, floor and floor, bench two
Side both can guarantee that the globality of stair, and can makes the stress of stair effectively transmit, adds stability without setting structure wall
And security.
Support, pedal and the tie-beam that the c-type or U-shaped steel keel of stair provided by the present invention are formed are satisfied by steel
Force request in structural building related specifications.Below by taking pedal force as an example, it is described in detail.
Specific size on marking time is a kind of typically as follows using size：The length l of pedal is 988 millimeters, and width d is
265 millimeters.By taking the support that C-type steel keel are formed as an example, illustrate its size, the height h of its median ventral plate is 235 millimeters, the edge of a wing
Width b is 50 millimeters, and crimping a width is 20 millimeters, and the thickness t of C-type steel keel is 1.6 millimeters.The steel of C-type steel keel
Yield strength fy is 205 Ns of every square millimeter of (N/mm in characteristic2), shearing strength fv is 120N/mm2。
Permanent load Pd that the middle pedal as beam of marking time of marking time is subjected to is set as 1.43 thousand Ns of every square metre of (KN/
m2), load assignment span d is 265mm, and corresponding linear load q1=Pd*d is 0.38 thousand Ns every meter (KN/m).Pedal is subjected to
Disposal load Pl be 2.5 thousand Ns of every square metre of (KN/m2), load assignment span d is 265mm, corresponding linear load q2=P1*
D is 0.66 thousand Ns every meter (KN/m).Calculate Load Combination value q=1.2*q1+1.4*q2=1.38KN/m, unit of marking time it is curved
SquareFor 170 Ns ● rice (Nm), the shearing for unit of marking timeV is 682N.
To marking time, beam carries out bearing capacity checking computations：
Calculate the intensity for beam of marking timeEvery square millimeter of ox (N/mm2), income value is much smaller than steel knot
205N/mm2 in structure house related specifications.Wherein, M represents the moment of flexure of beam of marking time, WenxRepresent the effective cross-section modulus of x-axis.
Calculate the shear stress for beam of marking timeIncome value rule related much smaller than steel house
120N/mm2 in model.Wherein, V represents the shearing of beam of marking time, and S represents that above gross cross-sectional is to the area of natural axis at shear stress
Square；I represents the gross cross-sectional the moment of inertia of beam of marking time；T represents the thickness of C-type steel keel.
To marking time, unit carries out Stability Checking：
Calculate integral stability factor φbValue be 19.4617, this value be more than 0.7 when, according toCarry out
φ is obtained after modificationb' value be 1.07692>1.0, by φb' value be taken as 1.Calculate
Income value is much smaller than the 205N/mm in steel house related specifications2。
To marking time, beam carries out deformation analysis：
δ=5ql4/ 384EI=0.01 millimeters, much smaller than less than l/250 rice being 4 millimeters in steel house related specifications
Requirement.Wherein, q represents the value of Load Combination, and l is the length of mainboard of marking time, and E represents the steel modulus of elasticity marked time, and I represents to step on
The gross cross-sectional the moment of inertia of step.
It can be seen from above-mentioned checking computations, this staircase structure is stable and safe.The computational methods of each parameter are used in above-mentioned checking computations
Come from the relevant design specification in the steel house such as Technical code for design of coldformed thin wall steel structures, Code for design of steel structures field.
Involved specific dimensional values are exemplary description in the present invention, do not form limitation of the present invention,
It can be needed to carry out the numerical value of each size corresponding specific setting according to stress in actual applications.
Descriptions above can combine implementation individually or in a variety of ways, and these variants all exist
Within protection scope of the present invention.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row
His property includes, so that article or equipment including a series of elements not only include those key elements, but also including not
There is an other element being expressly recited, or also include for this article or the intrinsic key element of equipment.Do not limiting more
In the case of system, the key element that is limited by sentence " including ... ", it is not excluded that in the article including the key element or equipment
Other identical element also be present.
The above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, reference only to preferred embodiment to this hair
It is bright to be described in detail.It will be understood by those within the art that technical scheme can be modified
Or equivalent substitution, without departing from the spirit and scope of technical solution of the present invention, the claim model in the present invention all should be covered
Among enclosing.
Claims (7)
1. a kind of stair, it is characterised in that the stair are steel structure stairway, applied to steel house and the light steel of cold bending thin wall
Structural building, the stair include the first bench, the first tie-beam, and the body of first tie-beam is consolidated with first bench
Fixed connection, the first end of first tie-beam are fixedly connected with floor/ground, and the second end of first tie-beam is with being connected
Platform/floor is fixedly connected；The first end of first bench is fixedly connected with floor/ground, and the second of first bench
End is fixedly connected with connecting platform/floor；
Wherein, first bench is marked time including N number of, wherein, N is positive integer, is each marked time including first support, second support
With the first pedal, the height of the first support is more than the height of the second support, first edge of a wing of the first support and
First edge of a wing of the second support is generally aligned in the same plane, and first pedal connects first edge of a wing and the institute of the first support
First edge of a wing formation for stating second support is marked time；
It is described it is N number of mark time in each mark time and be fixedly connected with the body of first tie-beam；
The length l of first pedal is 988 millimeters, width d is 265 millimeters, the height h of the first support is 235 millimeters,
The width b on the edge of a wing is 50 millimeters；
The first support is the first C-type steel keel and the second support is the second C-type steel keel；The first C-type steel dragon
The height of bone is more than the second C-type steel keel；First edge of a wing of the first C-type steel keel and the second C-type steel keel
First edge of a wing be located in same level, first edge of a wing of first pedal and the first C-type steel keel and described the
First edge of a wing of two C-type steel keel is fixedly connected, and formation is marked time；The first end of the first C-type steel keel connects with described first
The body for connecing beam is fixedly connected,
Wherein, the web of the web of i-th of the first C-type steel keel marked time and the i-th -1 the second C-type steel keel marked time is fixed
Connection, the web of described i-th the second C-type steel keel marked time are fixedly connected with the first C-type steel keel that i+1 is marked time,
Wherein, 1 ＜ i ＜ N；1st first second edge of a wing of C-type steel keel marked time be fixedly connected with floor/ground, and the 1st is marked time
The web of second C-type steel keel is fixedly connected with the web of the 2nd the first C-type steel keel marked time；The first C that n-th is marked time
The web of shaped steel keel is fixedly connected with the web of N-1 the second C-type steel keel marked time, the 2nd C that the n-th is marked time
The web of shaped steel keel is fixedly connected with connecting platform/floor；
First tie-beam is buckled together and formed by a C-type steel keel and a U-shaped steel keel, wherein, described first connects
The web for connecing the C-type steel keel of beam is fixedly connected with the first end for the first C-type steel keel each marked time by the first connector；
The first end of the web of the C-type steel keel of first tie-beam is connected by the second connector with floor/ground；Described first
Second end of the web of the C-type steel keel of tie-beam is fixedly connected by the 3rd connector with connecting platform/floor；
3rd connector includes first component, second component, third member, the 4th part and the 5th part, wherein, it is described
First component, the second component and the third member are sequentially connected, and the 4th part and the 5th part are divided into
The both sides of the second component, and set at a right angle with the second component；The first component and second component are set at a right angle
Put, the angle between the second component and the third member is that the angle between first tie-beam and connecting platform adds
Upper 90 degree of sum.
2. stair as claimed in claim 1, it is characterised in that first connector is " ┗ " type connector, described first
Connector include being used for the first plate for being fixedly connected with each first support marked time and for first tie-beam
The second plate that body is fixedly connected；First plate is rectangular plate-like structure, on first plate along its length on
Connection through hole is set；Second plate is rectangular plate-like structure, and connecting hole is above set along its length on second plate.
3. stair as claimed in claim 1, it is characterised in that second connector is " ┗ " type connector, including for
The first component of the first end of first tie-beam and the second component for being fixedly connected with floor/ground are connected, it is described
First component is rectangular plate-like structure, and two exhausting holes are set along its length on the first component, often row three, described second
Part is rectangular plate-like structure, and two connecting holes are set along its length on the second component.
4. stair as claimed in claim 1, it is characterised in that the stair also include the second tie-beam, second connection
Beam is buckled together and formed by a C-type steel keel and a U-shaped steel keel, wherein, the C-type steel keel of second tie-beam
Web is fixedly connected with the second end of the first C-type steel keel each marked time by first connector；Second connection
The first end of the web of the C-type steel keel of beam is connected by second connector with floor/ground；Second tie-beam
Second end of the web of C-type steel keel is fixedly connected by the 3rd connector with connecting platform/floor.
5. stair as claimed in claim 1, it is characterised in that it is two neighboring mark time between height for it is previous mark time the
Difference in height between first edge of a wing of the first C-type steel keel that first edge of a wing of two C-type steel keel and the latter are marked time.
6. stair as claimed in claim 1, it is characterised in that the folder between the first bench of the stair and floor/ground
Angle is 25~30 degree.
7. stair as claimed in claim 6, it is characterised in that the folder between the first bench of the stair and floor/ground
Angle is 29 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510024455.1A CN104963467B (en) | 2015-01-16 | 2015-01-16 | A kind of stair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510024455.1A CN104963467B (en) | 2015-01-16 | 2015-01-16 | A kind of stair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104963467A CN104963467A (en) | 2015-10-07 |
| CN104963467B true CN104963467B (en) | 2017-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510024455.1A Active CN104963467B (en) | 2015-01-16 | 2015-01-16 | A kind of stair |
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| Country | Link |
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| CN (1) | CN104963467B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107366398A (en) * | 2017-06-27 | 2017-11-21 | 五冶集团上海有限公司 | Modularization stair and its installation method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2129539A5 (en) * | 1971-03-12 | 1972-10-27 | Alexandre Marie | |
| US5660009A (en) * | 1995-01-31 | 1997-08-26 | Cousin; Matthew E. | Metal stairway for a residence |
| JPH1061137A (en) * | 1996-08-22 | 1998-03-03 | Dantani Plywood Co Ltd | String |
| JPH10140824A (en) * | 1996-11-14 | 1998-05-26 | Marui Sangyo Co Ltd | Support piece of driving mold for stair |
| CN2769400Y (en) * | 2005-01-31 | 2006-04-05 | 罗建生 | Combined stair stringer |
| CN204571129U (en) * | 2015-01-16 | 2015-08-19 | 北新集团建材股份有限公司 | A kind of stair |
-
2015
- 2015-01-16 CN CN201510024455.1A patent/CN104963467B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2129539A5 (en) * | 1971-03-12 | 1972-10-27 | Alexandre Marie | |
| US5660009A (en) * | 1995-01-31 | 1997-08-26 | Cousin; Matthew E. | Metal stairway for a residence |
| JPH1061137A (en) * | 1996-08-22 | 1998-03-03 | Dantani Plywood Co Ltd | String |
| JPH10140824A (en) * | 1996-11-14 | 1998-05-26 | Marui Sangyo Co Ltd | Support piece of driving mold for stair |
| CN2769400Y (en) * | 2005-01-31 | 2006-04-05 | 罗建生 | Combined stair stringer |
| CN204571129U (en) * | 2015-01-16 | 2015-08-19 | 北新集团建材股份有限公司 | A kind of stair |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104963467A (en) | 2015-10-07 |
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