CN218149353U

CN218149353U - Shock insulation stair structure

Info

Publication number: CN218149353U
Application number: CN202222239276.8U
Authority: CN
Inventors: 许彩琴; 梁鹏花
Original assignee: Shanxi Architectural Design And Research Institute Co ltd
Current assignee: Shanxi Architectural Design And Research Institute Co ltd
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2022-12-27
Anticipated expiration: 2032-08-24

Abstract

The application discloses a shock insulation stair structure, which relates to the field of building construction and comprises a plurality of groups of stair components and steel steps positioned between adjacent stair components, wherein each group of stair components comprises a supporting beam column, a stair section plate and a stair beam; a preset shock insulation horizontal gap is formed between the lower end of the steel step ladder and the upper side of the ladder beam below the lower end of the steel step ladder; this application is based on the steel step is prefabricated and the back installation, so the height of control shock insulation horizontal clearance that can be better ensures that shock insulation horizontal clearance accords with the shock insulation standard that corresponds.

Description

Shock insulation stair structure

Technical Field

The application relates to a building shock insulation structure, in particular to a steel step ladder shock insulation structure.

Background

At present, new schools, kindergartens, hospitals, old care institutions, children welfare institutions, emergency command centers, emergency refuge places, radio and television and other buildings located in high-intensity fortification areas and earthquake key monitoring and defense areas should adopt technologies such as shock isolation and shock absorption, and normal use requirements can be met when fortification earthquake occurs in the areas.

Current stair structure includes ladder roof beam and step ladder section, and step ladder section and ladder roof beam form by concrete placement, wherein, in order to reach the shock insulation requirement, have the shock insulation horizontal clearance of predetermineeing the height between the bench board of superstructure and substructure.

In the actual pouring process of the stair structure, because the step sections are formed by pouring on the building site, building personnel hardly control the height of the shock insulation horizontal gap between the upper structure of the step and the step section plate of the lower structure, namely, the situation that the shock insulation gap is too small or too small is possibly caused due to the construction precision problem.

SUMMERY OF THE UTILITY MODEL

In order to solve the uncontrollable problem in shock insulation layer shock insulation horizontal space of superstructure and substructure stair bench that shock insulation building appears easily in current step bench, this application provides a shock insulation stair structure.

The application provides a shock insulation stair structure adopts following technical scheme:

a shock insulation stair structure comprises a plurality of groups of stair assemblies, each group of stair assemblies comprises a beam column and a ladder beam, the ladder beams are fixedly arranged at the upper ends of the beam columns, the shock insulation stair structure further comprises a steel step ladder positioned between adjacent stair assemblies, the upper end of the steel step ladder is fixedly connected with the ladder beam positioned above the steel step ladder through a connecting assembly, and the steel step ladder is positioned on one side of the ladder beam positioned above the steel step ladder;

the lower end of the steel step ladder and the upper side of the ladder beam below the steel step ladder are provided with horizontal shock insulation gaps with preset heights.

Through adopting above-mentioned technical scheme, when needs installation, directly install the steel step on the ladder roof beam that corresponds through coupling assembling, because the steel step is prefabricated, so the lower extreme of steel step and the difference in height that is in the below the upside of ladder roof beam is controllable to the less condition in shock insulation horizontal space appears in the reduction.

Optionally, the height of the seismic isolation horizontal gap is in the range of 20-24 mm.

By adopting the technical scheme, the height value of the shock insulation horizontal gap is within the range of 20-24mm, so that the shock insulation stair structure has a good shock insulation effect.

Optionally, one side of the ladder beam of the first stair assembly is transversely provided with a abdicating groove;

coupling assembling includes bolt and thread bush, and the thread bush inlays to be established and is fixed in the inslot of stepping down, and the bolt passes steel step ladder and with thread bush threaded connection.

Through adopting above-mentioned technical scheme, pass the steel step ladder with the bolt and with thread bush threaded connection for the steel step ladder is fixed on the ladder roof beam that corresponds, and the installation is simple easily operated.

Optionally, the connecting assembly is provided in plurality at intervals.

Through adopting above-mentioned technical scheme, coupling assembling interval sets up a plurality ofly for making steel step ladder and ladder beam be connected more stable, simultaneously, also for reducing single coupling assembling's load to extension coupling assembling's life.

Optionally, the steel step comprises:

the step comprises a plurality of pedals and a plurality of kickplates, and the pedals and the kickplates are sequentially staggered from low to high to form the step;

the side frames are symmetrically provided with 2, and the 2 side frames are respectively fixedly arranged at two sides of the step;

one end of the lower connecting plate is fixedly arranged at the lower end of the kick plate positioned at the lowest part, two sides of the lower connecting plate are respectively and fixedly arranged on 2 side frames, and a shock insulation horizontal gap is formed between the lower connecting plate and the upper side of the ladder beam positioned below the lower connecting plate;

one end of the upper connecting plate is fixedly arranged at the free end of the uppermost pedal, and two sides of the upper connecting plate are fixedly arranged on the 2 side frames respectively;

wherein, the upper junction plate is provided with the groove of stepping down that supplies the bolt to wear to establish.

Through adopting above-mentioned technical scheme, use through the cooperation of step, side bearer, lower connecting plate and upper junction plate for the steel step ladder has better structural strength, thereby makes the upper and lower current that the user can be stable.

Optionally, the side frames include support frames and blocking frames, the support frames are fixedly disposed on two sides of the step, the blocking frames are fixedly disposed on the upper sides of the support frames, and the blocking frames extend along the length direction of the side frames.

By adopting the technical scheme, the supporting frame is used for supporting the step so as to enhance the bearing capacity of the step; the blocking frame stops garbage from falling from two ends of the steps, and safety of the shock insulation stair structure is improved.

Optionally, one side of ladder roof beam is provided with pre-buried steel sheet, and pre-buried steel sheet is contradicted in the upper junction plate.

Through adopting above-mentioned technical scheme, pre-buried steel sheet can play increase steel step ladder and correspond the area of contact between the ladder roof beam to improve connection stability between them.

Optionally, the connecting assembly further comprises a fixing member fixedly connected to the inner side of the bolt for relatively fixing the bolt and the threaded sleeve when the bolt is in threaded connection with the threaded sleeve.

Through adopting above-mentioned technical scheme for after the bolt spiral advances the preset position of thread bush, the bolt can not take place relative rotation again with the thread bush, and the bolt can not taken out promptly, in order to improve the security of shock insulation stair structure.

Optionally, a first groove is formed in the inner side wall of the bolt, and a second groove is formed in the threaded sleeve;

the fixing member includes:

one side of the spring is fixedly arranged in the first groove;

one end of the extension block is fixedly arranged on the other side of the spring, and the extension block is connected with the first groove in a sliding manner;

wherein the spring is used for driving the extension block to be embedded in the second groove.

Through adopting above-mentioned technical scheme, the in-process of bolt precession thread bush extends the piece and slides at the thread bush lateral wall along with the bolt, and when first recess and second recess communicate completely, the other end that extends the piece is impeld in the second recess under the effect of spring for the bolt is fixed with the thread bush, makes steel step and ladder roof beam fixed mutually, has improved the security of shock insulation stair structure.

Optionally, the fixing piece is provided with a plurality of, a plurality of fixing piece intervals set up in the week lateral wall of bolt, the screw thread cover is provided with the second recess with the fixing piece one-to-one.

Through adopting above-mentioned technical scheme, reduce the load of single mounting, prolong the life of mounting.

To sum up, the embodiment of the utility model provides a shock insulation stair structure, including following at least one useful technological effect:

1. because the steel step ladder is prefabricated and installed after, the height of the horizontal isolation joint can be well controlled, and the horizontal isolation joint is ensured to meet the corresponding isolation standard;

2. fix steel step ladder and the ladder roof beam that corresponds mutually through coupling assembling for the simple easy operation of installation of steel step ladder.

Drawings

Fig. 1 is a schematic structural view of a seismic isolation stair structure according to a first embodiment of the present invention;

fig. 2 is a cross-sectional view of a seismic isolation stair structure provided in an embodiment of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is a schematic view of a partial structure of a seismic isolation stair structure provided by a first embodiment of the present invention;

fig. 5 is a cross-sectional view of a seismic isolation stair structure provided in the second embodiment of the present invention;

FIG. 6 is an enlarged view of portion B of FIG. 5;

the labels in the figures illustrate:

1. a steel step ladder; 11. a step; 12. a pedal; 13. a kickplate; 14. a side frame; 15. a lower connecting plate; 16. an upper connecting plate; 17. an avoidance groove; 18. a support frame; 19. a blocking frame; 2. a connecting assembly; 21. a bolt; 22. a threaded sleeve; 3. a shock absorbing gap; 4. a yielding groove; 5. pre-burying a steel plate; 6. a fixing member; 61. a spring; 62. an extension block; 7. a first groove; 71. a second groove; 8. an insertion hole; 9. a first stair assembly; 91. a first ladder beam; 92. a first ladder post; 10. a second stair assembly; 101. a second ladder beam; 102. a second ladder post.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

Example one

With reference to fig. 1, fig. 2 and fig. 3, an embodiment of the present application discloses a seismic isolation stair structure, including: the steel ladder comprises a stair component, a steel ladder 1 and a connecting component 2, wherein the stair component is used for supporting the steel ladder 1 and fixing the steel ladder 1; it should be understood that a building comprises a plurality of floors, each floor is provided with a steel step 1, for convenience of description, 2 step assemblies and 1 steel step 1 are taken as examples, wherein 2 step assemblies are respectively named as a first step assembly 9 and a second step assembly 10, two ends of the steel step 1 are respectively connected with the 2 step assemblies, specifically, the upper end of the steel step 1 is fixedly connected with the first step assembly 9 through a connecting assembly 2, the lower end of the steel step 1 and the second step assembly 10 are provided with a shock insulation horizontal gap 3, for convenience of controlling the height of the horizontal gap 3, the steel step 1 of the present application is installed in a prefabricated manner, that is, the total height of the steel step 1 can be adjusted by a building operator, namely, the horizontal gap 3 between the lower end of the steel step 1 and the upper side of the second step assembly 10 can be controlled to be in accordance with building specifications set by the shock insulation building, and it should be noted that the steel step 1 of the present application can be processed at the building site, also can be spliced at a place outside the building, and transported to the site through the connecting assembly 2 and connected with the first step assembly 2. It should be noted that prefabrication in the present application refers to setting the height of the steel step 1 in advance according to the height difference between the first ladder assembly 9 and the second ladder assembly 10.

Wherein, the steel step 1 of this application is formed by the preparation of steel or steel alloy material for steel step 1 can also alleviate the weight of self under having sufficient structural strength, simultaneously, is worth noting, pours the shaping for current stair structure and need expend more engineering time, and the shock insulation stair structure of this application has that the shaping is fast, installs convenient advantage.

With reference to fig. 1, 2 and 3, in this embodiment, each stair assembly includes a beam column and a ladder beam, wherein the ladder beam is concreted on the upper end of the beam column, so that the beam column can support the ladder beam, for convenience of description, the first stair assembly 9 of this application includes a first ladder beam 91 and a first ladder column 92, and the second stair assembly 10 of this application includes a second ladder beam 101 and a second ladder column 102, it should be noted that a recess 4 for the connection assembly 2 to be embedded into is transversely fixed on the first ladder beam 91, and the upper side of the ladder beam is a horizontal plane for a user to walk to the next steel step 1 or indoors.

With reference to fig. 1, 2 and 3, in the present embodiment, the steel step 1 includes a step 11, an upper connecting plate 16, a lower connecting plate 15, and 2 side frames 14, wherein the step 11 is formed by sequentially arranging a plurality of steps 12 and a plurality of kick plates 13 in a staggered manner from low to high, and since the step 11 needs to have a certain height and length when being set, the present application does not make specific requirements on the number of the steps 12 and the kick plates 13. Each side frame 14 comprises a supporting frame 18 and a blocking frame 19, the blocking frame 19 extends along the length direction of the side frame 14, and the inner side of the supporting frame 18 is welded with the outer side of the step 11 and used for supporting the step 11 and enhancing the bearing force of the step 11; stop the frame 19 setting at the upside of supporting rack 18, stop the setting of frame 19 and can prevent rubbish from both sides dropping, simultaneously, can also prevent that the user from stepping on from step 11 both sides when the walking to improve user's experience and feel, in this embodiment, stop frame 19 and supporting rack 18 integrated into one piece, with the structural strength who improves both.

Referring to fig. 1, 2 and 3, in this embodiment, an upper connecting plate 16 and a lower connecting plate 15 are further fixedly connected with the step 11, one side of the vertically arranged upper connecting plate 16 is fixedly arranged at the free end of the uppermost step 12, the other side of the vertically arranged upper connecting plate is fixedly arranged at one side of the first step beam 91, the lower connecting plate 15 is transversely fixedly arranged at the lower end of the lowermost kick plate 13, and a shock insulation horizontal gap 3 is formed with the upper side of the beam column of the second step assembly 10, the shock insulation gap 3 is arranged so that the steel step ladder 1 has a desired movement space during an earthquake, and deformation and even crack of the steel step ladder 1 are reduced.

Wherein, in this embodiment, one side of first ladder roof beam 91 is provided with pre-buried steel sheet 5, and pre-buried steel sheet 5 is contradicted in upper junction plate 16, and one side of pre-buried steel sheet 5 is connected with marking time, and the opposite side and the ladder roof beam fixed connection of pre-buried steel sheet 5 need explain that the setting of pre-buried steel sheet 5 can increase area of contact to alleviate dragging of external force, that is to say, the setting of pre-buried steel sheet 5 has improved the stability that the ladder roof beam of steel step ladder 1 and first ladder subassembly 9 is connected.

With reference to fig. 1, 2 and 4, in this embodiment, one side of the first ladder beam 91 is transversely provided with the abdicating groove 4, the embedded steel plate 5 is provided with the inserting hole 8 corresponding to the abdicating groove 4, the connecting assembly 2 includes a bolt 21 and a thread bush 22, wherein the bolt 21 is screwed into the thread bush 22, the thread bush 22 is inserted and fixed in the abdicating groove 4, and the bolt 21 sequentially passes through the upper connecting plate 16 and the inserting hole 8 to be in threaded connection with the thread bush 22.

Wherein, coupling assembling 2 intervals are provided with a plurality ofly, and this embodiment does not do the specification requirement, because steel step 1 and stair subassembly use bolt 21 to be connected, and coupling assembling 2 is provided with a plurality ofly, can reduce the condition that breaks away from appears in steel step 1 and stair subassembly when the earthquake, that is to say, coupling assembling 2 has improved the steadiness of connecting.

The implementation principle of the first embodiment is as follows: according to the difference in height between 2 ladder roof beams, set up the steel step 1 that corresponds the height, then utilize bolt 21 to pass upper junction plate 16, pre-buried steel sheet 5 in proper order to with thread bush 22 threaded connection, make steel step 1 by fixed mounting on first ladder roof beam 91.

Because steel step 1 is prefabricated, adaptation that can be fine in the difference in height between 2 ladder roof beams for the upside of lower junction plate 15 and second ladder roof beam 101 has the clearance of predetermineeing the height, thereby accords with the shock insulation requirement of building.

Example two

With reference to fig. 5 and 6, the difference between the present embodiment and the first embodiment is that the connection assembly 2 further includes a fixing member 6, and the fixing member 6 is used to fix the bolt 21 and the threaded sleeve 22 after the bolt 21 is screwed into the threaded sleeve 22.

Because the bolt 21 is loosened by human factors and external force factors, the situation that the bolt 21 is separated from the threaded sleeve 22 can be reduced through the fixing piece 6, and therefore the safety of the steel step ladder 1 is improved.

With reference to fig. 5 and 6, in this embodiment, the fixing member 6 includes a spring 61 and an extension block 62, a first groove 7 is formed on a peripheral side wall of the bolt 21, a second groove 71 is formed on the threaded sleeve 22, one end of the spring 61 is fixedly disposed at the bottom of the first groove 7, an inner end of the extension block 62 is fixedly disposed at the other end of the spring 61, the extension block 62 is slidably connected in the first groove 7, in a process of screwing the bolt 21 to the threaded sleeve 22, the spring 61 drives an outer end of the extension block 62 to abut against an inner side of the threaded sleeve 22 until the first groove 7 is communicated with the second groove 71, the spring 61 drives an outer end of the extension block 62 to be embedded in the second groove 71, so that the bolt 21 cannot rotate any more, that the threaded sleeve 22 is fixed to the bolt 21, and at this time, the steel step 1 is fixedly mounted on the first step beam 91.

Preferably, the fixing element 6 is provided with a plurality of fixing elements 6, and the plurality of fixing elements 6 are arranged on the peripheral side wall of the bolt 21 at intervals, it should be understood that the thread bush 22 is provided with the second grooves 71 corresponding to the fixing elements 6 one to one, and it should be noted that the number of the fixing elements 6 may be set according to actual conditions, and this embodiment does not make specific requirements.

The second embodiment is implemented according to the following principle:

according to the difference in height between 2 ladder roof beams, set up the steel step 1 that corresponds the height, then utilize bolt 21 to pass upper junction plate 16, pre-buried steel sheet 5 in proper order to with thread bush 22 threaded connection, make steel step 1 by fixed mounting on first ladder roof beam 91.

Because steel step 1 is prefabricated, adaptation in the difference in height between 2 ladder roof beams that can be fine for the upside of lower connecting plate 15 and second ladder roof beam 101 has the clearance of predetermineeing the height, thereby accords with the shock insulation requirement of building, simultaneously, because the existence of mounting 6, the other end of extension piece 62 stretches into second recess 71 promptly, makes bolt 21 can not take place relative rotation with thread bush 22, has improved the security of shock insulation stair structure promptly.

The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.

Claims

1. The utility model provides a shock insulation stair structure, includes the multiunit stair subassembly, every group stair subassembly includes beam column and ladder roof beam, the ladder roof beam set firmly in the upper end of beam column, its characterized in that: the steel step ladder (1) is positioned between the adjacent stair components, the upper end of the steel step ladder (1) is fixedly connected with the ladder beam positioned above through a connecting component (2), and the steel step ladder (1) is positioned on one side of the ladder beam positioned above;

the lower end of the steel step ladder (1) and the upper side of the ladder beam below are provided with a preset shock insulation horizontal gap (3).

2. A seismic isolation stair structure as claimed in claim 1, wherein: the height value of the shock insulation horizontal gap (3) is within the range of 20-24 mm.

3. A vibration-isolated stair structure as claimed in claim 1, wherein: one side of the ladder beam is transversely provided with a abdicating groove (4);

coupling assembling (2) are including bolt (21) and thread bush (22), thread bush (22) are inlayed and are established and are fixed in the groove of stepping down (4), bolt (21) pass steel step ladder (1) and with thread bush (22) threaded connection.

4. A vibration-isolated stair structure as claimed in claim 2, wherein: the connecting component (2) is provided with a plurality of connecting components at intervals.

5. A seismic isolation stair structure as claimed in claim 3, wherein: the steel step ladder (1) comprises:

the step (11), the step (11) comprises a plurality of pedals (12) and a plurality of kickplates (13), and the pedals (12) and the kickplates (13) are sequentially staggered from low to high to form the step (11);

the side frames (14) are symmetrically provided with 2, and the 2 side frames (14) are respectively fixedly arranged on two sides of the step (11);

one end of the lower connecting plate (15) is fixedly arranged at the lower end of the kick plate (13) positioned at the lowest part, two sides of the lower connecting plate (15) are fixedly arranged at the inner sides of the 2 side frames (14) respectively, and the lower connecting plate (15) and the upper side of the ladder beam positioned below form the shock insulation horizontal gap (3);

one end of the upper connecting plate (16) is fixedly arranged at the free end of the uppermost pedal (12), and two sides of the upper connecting plate (16) are fixedly arranged at the inner sides of the 2 side frames (14) respectively;

wherein, the upper connecting plate (16) is provided with an avoiding groove (17) for the bolt (21) to penetrate through.

6. A vibration-isolated stair structure as claimed in claim 5, wherein: each side frame (14) comprises a supporting frame (18) and a blocking frame (19), two ends of each step (11) are fixedly arranged on the inner sides of the 2 supporting frames (18), the supporting frames (18) are fixedly arranged on two sides of each step (11), the blocking frames (19) are fixedly arranged on the upper sides of the supporting frames (18), and the blocking frames (19) extend along the length direction of the side frames (14).

7. A seismic isolation stair structure as claimed in claim 5, wherein: one side of ladder roof beam is provided with pre-buried steel sheet (5), pre-buried steel sheet (5) contradict in upper junction plate (16).

8. A vibration-isolated stair structure according to claim 3, wherein: coupling assembling (2) still include mounting (6), mounting (6) with bolt (21) are connected, are used for bolt (21) with behind thread bush (22) threaded connection, will bolt (21) with thread bush (22) are fixed relatively.

9. A vibration-isolated stair structure as claimed in claim 8, wherein: a first groove (7) is formed in the inner side wall of the bolt (21), and a second groove (71) is formed in the threaded sleeve (22);

the fixing member (6) includes:

one end of the spring (61) is fixedly arranged in the first groove (7);

one end of the extension block (62) is fixedly arranged at the other end of the spring (61), and the extension block (62) is connected in the first groove (7) in a sliding manner;

wherein the spring (61) is used for driving the other end of the extension block (62) to be embedded into the second groove (71).

10. A seismic isolation stair structure as claimed in claim 8, wherein: the fixing piece (6) is provided with a plurality of fixing pieces (6) which are arranged on the peripheral side wall of the bolt (21) at intervals, and the thread bush (22) is provided with second grooves (71) which correspond to the fixing pieces (6) one by one.