CN207647067U - Precast stair - Google Patents
Precast stair Download PDFInfo
- Publication number
- CN207647067U CN207647067U CN201721742454.1U CN201721742454U CN207647067U CN 207647067 U CN207647067 U CN 207647067U CN 201721742454 U CN201721742454 U CN 201721742454U CN 207647067 U CN207647067 U CN 207647067U
- Authority
- CN
- China
- Prior art keywords
- stair
- main body
- link slot
- transverse slat
- auxiliary rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Steps, Ramps, And Handrails (AREA)
Abstract
The utility model discloses a kind of precast stairs, it is intended to and solving the problem of the prefabricated double race stair of existing one kind, there are larger security risks in face of the relatively easy damage of longitudinal vibrations, its key points of the technical solution are that：A kind of preset stair, including stair ontology, the stair ontology includes the main body being inclined to set and is set to main body upper and lower side for connecting the transverse slat of floor, adjacent upper lower floor plate is embedded with the prefabricated component for connecting stair ontology respectively, the link slot of the transverse slat agreed with is offered on the prefabricated component, the link slot top and towards stair body central side be in hatch frame, the transverse slat is erected in link slot, and is formed with buffering cavity between its side and link slot.The precast stair of the utility model, can more preferably to cope with all directions vibrations, to avoid itself and floor junction damage probability as possible, to promote safety.
Description
Technical field
The utility model is related to apartment works, more specifically, it relates to a kind of precast stair.
Background technology
In skyscraper, the construction of stair needs to consider many external factors, especially shock resistance, since stair are
The transition structure of levels floor being connected, therefore under macroseism, the vibrations that levels floor generates can be applied directly on stair,
Otherwise the significant shock formed on stair can also be applied directly to levels floor.
Existing precast stair, usually overall structure are fixedly connected on floor structure by the reinforcing bar of stair upper and lower side
On；The intrinsic drawback that is rigidly connected can not be avoided, gangboard and floor knot are caused because the two is rigidly connected in macroseism
Structure junction it is badly damaged, there are great security risks.
A kind of prefabricated double race stair, are characterized in that disclosed in the Chinese patent of Publication No. CN204098374U：Packet
It includes connection upper layer floor ladder beam and chooses ear and lower layer's floor ladder beam chooses the precast stair ontology of ear, one end of the precast stair ontology
Ear is chosen with upper layer floor ladder beam to be mutually hinged vertically, the other end is placed in lower layer's floor ladder beam and chooses on ear, the precast stair ontology
Being chosen with lower layer floor ladder beam has gap at the horizontal direction contact surface of ear.
Said program can eliminated in earthquake a part vibrations, with reduce stair and floor junction damage it is several
Rate, but because stair top be hinged, and rotation direction is left-right rotation, and if the case where shaking in actual use,
Vibrations of the stair with respect to floor are not only showed only as left and right, also vertical tremor, so stair top and floor junction remain unchanged
Damage probability is larger, it is therefore desirable to propose a kind of new scheme to solve the problems, such as this.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of precast stair, it can be into one
Step reduces stair and the damage of floor junction, to reduce security risk.
The above-mentioned technical purpose of the utility model technical scheme is that：A kind of preset stair, packet
Stair ontology is included, the stair ontology includes the main body being inclined to set and is set to main body upper and lower side for connecting floor
Transverse slat, adjacent upper lower floor plate be embedded with the prefabricated component for connecting stair ontology respectively, offers and agrees on the prefabricated component
The link slot of transverse slat, the link slot top and be in hatch frame towards stair body central side, the transverse slat is erected on
In link slot, and buffering cavity is formed between its side and link slot.
By using above-mentioned technical proposal, stair ontology is connected in such a way that transverse slat is erected on link slot with floor, because
It is formed with buffering cavity between transverse slat side and link slot, so when earthquake, transverse slat can carry out certain transverse shifting；Simultaneously
Because link slot presents opening, transverse slat can equally be moved up and down to a certain degree, in conjunction with above 2 points, stair ontology
Vibrations can be more preferably coped with, to reduce the damage of stair, floor junction, to reduce security risk；It again because only need to will be horizontal
Plate from top to bottom be put into link slot, so that it may to realize installation to stair, so being more in line with the requirement of precast stair, operate
It is more simple.
The utility model is further arranged to：The transverse slat is provided with locating piece away from wall side, in the link slot
Wall offers the locating slot for agreeing with locating piece, and the locating slot is in hatch frame close to link slot side and top, described
Locating piece is connected in locating slot.
By using above-mentioned technical proposal, the connection effect between transverse slat and link slot can be reinforced, if without locating piece,
Then stair ontology is erected on link slot mainly by two transverse slats, stair body lower part withstands lower part connection groove sidewall and realizes fixation, and
It is arranged after locating piece, more power can be applied to transverse slat, in the way of locating slot limitation locating piece transverse shifting with more
It is good that stair ontology is fixed, reinforce connection effect；The power that stair body upper part and lower part are subject at this time simultaneously is more uniformly distributed,
It will not stress in stair body lower part, to which in vibrations, stair ontology and floor junction are more hardly damaged.
The utility model is further arranged to：The connection groove bottom is provided with buffering spacer, and the transverse slat is located at buffering
Above gasket, the filler for buffering is provided in the buffering cavity.
By using above-mentioned technical proposal, when stair ontology is with respect to vertical tremor, because transverse slat and connection groove bottom are deposited
In buffering spacer, so using buffering spacer bumper and absorbing shock, the influence that vertical tremor is brought is eliminated；It is relatively transverse in stair ontology
When vibrations, because transverse slat side is provided with the filler for buffering, it is possible to lateral bumper and absorbing shock is carried out using filler,
The influence that transverse vibration is brought is eliminated, is more less likely to be damaged in conjunction between above 2 stair ontologies and floor junction, from
And reduce security risk.
The utility model is further arranged to：It is provided with auxiliary rod below the main body, the auxiliary rod is along body width
Direction extends, and is embedded in wall close to wall one end, and the main body contradicts auxiliary rod.
By using above-mentioned technical proposal, Auxiliary support can be carried out to stair ontology using auxiliary rod, with more preferably to building
Terraced ontology and floor come junction and are protected, because stair ontology actual weight is relatively large, if only leaning on stair or more at this time
Portion is connected with floor, and stair body end stress is excessive, relatively easy to damage.
The utility model is further arranged to：The body floor offers the auxiliary tank for agreeing with auxiliary rod, the auxiliary
Slot lower part and close wall side are in hatch frame, and the auxiliary rod is connected in auxiliary tank.
By using above-mentioned technical proposal, auxiliary rod is caught in auxiliary tank, so as to preferably be carried out to stair ontology
Auxiliary support, stair body lower part is inclined surface after all, if auxiliary rod is located immediately at stair body lower part, auxiliary rod and stair sheet
Contact surface is relatively fewer between body, influences support effect.
The utility model is further arranged to：Montant is provided on the auxiliary rod straight up, is opened up in the main body
It is under shed structure to have the cannelure for agreeing with montant, the cannelure, and the montant is located in cannelure.
By using above-mentioned technical proposal, stair ontology can be laterally defined using montant, to coordinate auxiliary rod
One cross force is applied to stair ontology, is further played a supportive role to stair ontology.
The utility model is further arranged to：The auxiliary rod is connected with bracing piece, and the bracing piece is along principal length side
To extension, and end is fixedly connected on prefabricated component.
By using above-mentioned technical proposal, auxiliary rod can be done as reinforcing rib using bracing piece and be reinforced, after all stair
Ontology actual weight is larger, fixes if auxiliary rod is only embedded in wall by one end, it is easy to which stress is excessive and damages.
The utility model is further arranged to：The lower body part is provided with the protection group for preventing bracing piece to be detached from
Part, the guard assembly include fastener and the fixing piece for fastener to be connected to main body, and the fastener, which is located at, to be added
Strong bar deviates from body side, and the fixing piece wears fastener, and is connected to the main body, and the fixing piece and main body are detachable
Connection.
By using above-mentioned technical proposal, the bracing piece of fastener pair can be utilized to do further fixation, to avoid ground
When shake intensity is larger, bracing piece damage, which falls off, causes security risk.
In conclusion the utility model has the advantages that：Stair ontology includes main body and is set to main body or more
The transverse slat at end buries prefabricated component in contiguous floors, and prefabricated component opens up the link slot for agreeing with transverse slat, and link slot presents opening knot
Structure；Transverse slat is erected in link slot, and is formed with buffering cavity between its side and link slot inner wall；In earthquake, because even
Access slot presents the presence of opening and buffering cavity, and transverse slat can carry out certain vertical and horizontal movement, for being carried out to vibrations
Buffering, and then reduce the damage probability of stair ontology and floor junction, reduce security risk.
Description of the drawings
Fig. 1 is the structural schematic diagram one of the utility model, to show overall structure；
Fig. 2 is the structural schematic diagram two of the utility model, mainly showing buffering cavity；
Fig. 3 is the structural schematic diagram three of the utility model, mainly showing the structure in link slot；
Fig. 4 is the structural schematic diagram four of the utility model, mainly showing the structure of auxiliary tank and locating slot.
In figure：1, stair ontology；11, main body；12, transverse slat；2, prefabricated component；21, link slot；22, buffering cavity；3, it positions
Block；31, locating slot；41, buffering spacer；42, filler；5, auxiliary rod；51, auxiliary tank；6, montant；61, cannelure；7, reinforce
Bar；8, guard assembly；81, fastener；82, fixing piece.
Specific implementation mode
With reference to the accompanying drawings and examples, the utility model is described in detail.
Preset stair, referring to Fig.1, including the stair ontology 1 that is arranged between adjacent two floor, stair ontology 1 is using mixed
Solidifying soil pours, and is molded on prefab-form in advance.
Stair ontology 1 includes the main body 11 that is inclined to set to be shaped in the transverse slat 12 at 11 both ends of main body, transverse slat 12
For connecting floor.
It is embedded with the prefabricated component 2 for connecting transverse slat 12 respectively in the corresponding position of adjacent two floor, prefabricated component 2 is steel
System, in concreting floor, is cast in inside concrete in advance.
With reference to Fig. 2 and Fig. 3, link slot 21 is offered on prefabricated component 2,21 top of link slot and towards in stair ontology 1
Heart side is in hatch frame；Transverse slat 12 is erected in link slot 21, is connected between two contiguous floors to realize.In transverse slat
Buffering cavity 22 is formed between 12 and 21 inner wall of link slot, 22 width of buffering cavity is smaller, only 1cm or so.
When an earthquake occurs, stair ontology 1 shakes with respect to floor, if according to previous rigid connection, stair ontology 1 and building
Layer junction is relatively easily damaged.Because when earthquake, building is whole all to be shaken, if the amplitude of stair ontology 1 and floor at this time
Inconsistent or frequency difference then constantly bears the interaction force that the two generates and relatively moves, tears, most at rigid connection
After cause damage junction damage.And stair ontology 1 is connected in such a way that transverse slat 12 is erected on link slot 21, because of link slot
21 present hatch frame, and are formed with buffering cavity 22 between 12 side of transverse slat and link slot 21, so different in amplitude, frequency
When, transverse slat 12 with respect to link slot 21 can carry out certain longitudinal direction or transverse shifting and unobstructed, to eliminating a part
Vibration influence, and then reduce damage probability, reduce security risk.
Deviate from wall one in transverse slat 12 with reference to Fig. 2 and Fig. 3 for the connection effect for reinforcing between transverse slat 12 and link slot 21
Side is integrally formed with locating piece 3；The locating slot 31 for agreeing with locating piece 3 is offered in 21 inner wall of link slot, locating slot 31 is close to even
21 side of access slot and top are in hatch frame；When transverse slat 12 is erected in link slot 21, locating piece 3 is connected in locating slot 31
It is interior.
If without locating piece 3, stair ontology 1 is erected on link slot 21 mainly by two transverse slats 12,1 lower part of stair ontology is pushed up
21 side wall of link slot for being firmly located at lower part realizes fixation；And be arranged after locating piece 3, locating slot 31 can be utilized to limit locating piece
The mode of 3 transverse shiftings applies more power to transverse slat 12, more preferably stair ontology 1 to be fixed, reinforces connection effect；
Simultaneously as locating piece 3 be two, be respectively arranged at two 12 sides of transverse slat, thus at this time 1 upper and lower part of stair ontology by
To power be more uniformly distributed, will not stress in 1 lower part of stair ontology, to vibrations when, stair ontology 1 and floor junction are more
It is hardly damaged.
With reference to Fig. 2 and Fig. 3,21 bottom surface of link slot is provided with buffering spacer 41, buffering spacer 41 selects rubber to be made, and
Thickness is relatively small；When transverse slat 12 is placed in 21 inside of link slot, transverse slat 12 contacts at buffering spacer 41, to which longitudinal shake occur
When dynamic, buffering spacer 41 can be utilized further to eliminate vibrations, simultaneously as spacer thickness is smaller, so not interfering with stair sheet
1 normal use of body.
It is internally provided with the filler 42 for buffering in buffering cavity 22, filler 42 selects the non-of elastic container package
Newtonian fluid, it is using the bigger hardness of its stress bigger, and flexible characteristic eliminates transverse vibration always.Certainly above
Other flexible fillers can be selected according to actual demand.
With reference to Fig. 3 and Fig. 4, auxiliary rod 5 is provided with below main body 11, auxiliary rod 5 extends along 11 width direction of main body, and
It is embedded in close to wall one end in wall；The auxiliary tank 51 for agreeing with auxiliary rod 5 is offered in 11 bottom surface of main body, under auxiliary tank 51
Portion and close wall side are in hatch frame；Auxiliary rod 5 is located inside auxiliary tank 51, and top contradict auxiliary tank 51, with
In Auxiliary support stair ontology 1.
Why auxiliary rod 5 is set, is because 1 actual weight of stair ontology is relatively large, if only leaning on stair ontology 1 at this time
Top and the bottom are connected with floor, and 1 end stress of stair ontology is excessive, shake relatively easy damage.
Auxiliary rod 5 is two, is set up along the arrangement of 11 length direction of main body.There is rubber by glue adhesion in 5 side of auxiliary rod
Rubber cushion, auxiliary tank 51 exists rubber pad herein, to when stair ontology 1 shakes, eliminate part vibrations.
With reference to Fig. 3 and Fig. 4, several montants 6 are welded on auxiliary rod 5, montant 6 is in be arranged straight up in main body
The cannelure 61 for agreeing with montant 6 is offered on 11, cannelure 61 is in be vertically arranged, and lower part is in hatch frame.When auxiliary rod 5 is set
When in auxiliary tank 51, montant 6 stretches into cannelure 61, and to be laterally defined to stair ontology 1 using montant 6, cooperation is auxiliary
It helps bar 5 to apply a cross force to stair ontology 1, further plays a supportive role to stair ontology 1.
It is done because 1 actual weight of stair ontology is larger if auxiliary rod 5 is only embedded in wall by one end with reference to Fig. 3 and Fig. 4
It is fixed, it is easy to which that stress is excessive and damages, so setting bracing piece 7, bracing piece 7 extends along 11 length direction of main body, and is located at
11 lower section of main body；Auxiliary rod 5 is fixedly welded on bracing piece 7, and 7 both ends of bracing piece are respectively welded in respective side prefabricated component 2, from
And auxiliary rod 5 is reinforced as reinforcing rib.
When to avoid shaking excessive, auxiliary rod 5 and bracing piece 7 are detached from, and are caused security incident, are provided in 11 lower part of main body
Guard assembly 8 for preventing bracing piece 7 to be detached from, guard assembly 8 include fastener 81, and the arch bridge shape that fastener 81 is in agrees with
Bracing piece 7；Fastener 81 clasps bracing piece 7, and bracing piece 7 is extended at both ends, is equipped in the part that fastener 81 extends
Fixing piece 82, fixing piece 82 are bolt, are threadedly connected to main body 11, to realize the fixation to fastener 81, i.e., to bracing piece 7
Fixation.
Installation process：First in the prefabricated component 2 of the embedded adaptation of adjacent two floors corresponding position, and between two prefabricated components 2
Suitable position, on wall bury auxiliary rod 5, auxiliary rod 5 be directed away from wall side extension；Then bracing piece 7 is welded
Between two prefabricated components 2, angle of inclination is suitable, and is welded and fixed auxiliary rod 5；Molding stair ontology 1 is used into tower crane later
Equal transports come to put down, and cannelure alignment corresponding montant 6 when putting down, transverse slat 12 is correspondingly connected with slot 21, subsequently that stair ontology 1 is complete
It puts down entirely, transverse slat 12 is erected on link slot 21 at this time, and the clamping of locating piece 3 corresponds in locating slot 31, finally again by filler 42
It is put into buffering cavity 22, the fixation of fastener 81 is used in combination to further fix the installation that bracing piece 7 completes the utility model.
The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (8)
1. a kind of preset stair, including stair ontology（1）, the stair ontology（1）Including the main body being inclined to set（11）With
And it is set to main body（11）Upper and lower side is used to connect the transverse slat of floor（12）, it is characterised in that：Adjacent upper lower floor plate is buried respectively
It is useful for connection stair ontology（1）Prefabricated component（2）, the prefabricated component（2）On offer the transverse slat agreed with（12）Link slot
（21）, the link slot（21）Top and towards stair ontology（1）Center side is in hatch frame, the transverse slat（12）It sets up
In link slot（21）It is interior, and its side and link slot（21）Between be formed with buffering cavity（22）.
2. preset stair according to claim 1, it is characterised in that：The transverse slat（12）It is fixed to be provided with away from wall side
Position block（3）, the link slot（21）Inner wall, which offers, agrees with locating piece（3）Locating slot（31）, the locating slot（31）It is close
Link slot（21）Side and top are in hatch frame, the locating piece（3）It is connected in locating slot（31）.
3. preset stair according to claim 1, it is characterised in that：The link slot（21）Bottom surface is provided with buffering spacer
（41）, the transverse slat（12）Positioned at buffering spacer（41）Top, the buffering cavity（22）Inside it is provided with the filling for buffering
Object（42）.
4. preset stair according to claim 1, it is characterised in that：The main body（11）Lower section is provided with auxiliary rod（5）,
The auxiliary rod（5）Along main body（11）Width direction extends, and is embedded in wall close to wall one end, the main body（11）It supports
Touch auxiliary rod（5）.
5. preset stair according to claim 4, it is characterised in that：The main body（11）Bottom surface, which offers, agrees with auxiliary rod
（5）Auxiliary tank（51）, the auxiliary tank（51）Lower part and close wall side are in hatch frame, the auxiliary rod（5）Card
It is connected to auxiliary tank（51）.
6. preset stair according to claim 5, it is characterised in that：The auxiliary rod（5）On be provided with straight up it is perpendicular
Bar（6）, the main body（11）On offer and agree with montant（6）Cannelure（61）, the cannelure（61）In under shed structure,
The montant（6）Positioned at cannelure（61）It is interior.
7. preset stair according to claim 5, it is characterised in that：The auxiliary rod（5）It is connected with bracing piece（7）, institute
State bracing piece（7）Along main body（11）Length direction extends, and end is fixedly connected on prefabricated component（2）.
8. preset stair according to claim 7, it is characterised in that：The main body（11）Lower part is provided with for preventing from adding
Strong bar（7）The guard assembly of disengaging（8）, the guard assembly（8）Including fastener（81）And it is used for fastener（81）Even
It is connected to main body（11）Fixing piece（82）, the fastener（81）Positioned at bracing piece（7）Away from main body（11）Side, the fixation
Part（82）Wear fastener（81）, and it is connected to the main body（11）, the fixing piece（82）With main body（11）It is detachably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721742454.1U CN207647067U (en) | 2017-12-13 | 2017-12-13 | Precast stair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721742454.1U CN207647067U (en) | 2017-12-13 | 2017-12-13 | Precast stair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207647067U true CN207647067U (en) | 2018-07-24 |
Family
ID=62880980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721742454.1U Expired - Fee Related CN207647067U (en) | 2017-12-13 | 2017-12-13 | Precast stair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207647067U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109440631A (en) * | 2018-12-10 | 2019-03-08 | 三峡大学 | A method of building, bridge bradyseism are realized using non-newtonian flow body device |
| CN109440651A (en) * | 2018-12-10 | 2019-03-08 | 三峡大学 | A method of external loads performance is resisted using magnetic fluid enhancing bridge |
| CN110670821A (en) * | 2019-10-12 | 2020-01-10 | 万卫华 | Water storage ladder for sponge city |
| CN111535529A (en) * | 2020-05-11 | 2020-08-14 | 中力建设集团有限公司 | Assembled stair and construction process thereof |
-
2017
- 2017-12-13 CN CN201721742454.1U patent/CN207647067U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109440631A (en) * | 2018-12-10 | 2019-03-08 | 三峡大学 | A method of building, bridge bradyseism are realized using non-newtonian flow body device |
| CN109440651A (en) * | 2018-12-10 | 2019-03-08 | 三峡大学 | A method of external loads performance is resisted using magnetic fluid enhancing bridge |
| CN110670821A (en) * | 2019-10-12 | 2020-01-10 | 万卫华 | Water storage ladder for sponge city |
| CN111535529A (en) * | 2020-05-11 | 2020-08-14 | 中力建设集团有限公司 | Assembled stair and construction process thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180724 Termination date: 20201213 |