CN218205319U

CN218205319U - Prefabricated staircase for assembly type structure

Info

Publication number: CN218205319U
Application number: CN202222342842.8U
Authority: CN
Inventors: 唐祖玉
Original assignee: Shenzhen Jingpeng Construction Engineering Co ltd
Current assignee: Shenzhen Jingpeng Construction Engineering Co ltd
Priority date: 2022-09-01
Filing date: 2022-09-01
Publication date: 2023-01-03
Anticipated expiration: 2032-09-01

Abstract

The utility model discloses a prefabricated staircase for assembly type structure belongs to stair technical field, and its technical scheme main points are prefabricated staircase for assembly type structure, including stair body, upper stair roof beam and lower stair roof beam, the upper stair roof beam the lower stair roof beam respectively with the both ends fixed connection of stair body still include with the upper stair roof beam and upper platform the installation component that lower stair roof beam and lower platform are connected, share the damper of the vibrations that stair body receives, the installation component includes a plurality of built-in fittings, the built-in fittings respectively with the upper platform the lower platform is connected, damper includes the buffer block, the buffer block with stair body bottom surface butt, and with the relative fixed connection of upper platform reaches the effect that improves prefabricated staircase's anti-seismic performance.

Description

Prefabricated staircase for assembly type structure

Technical Field

The utility model belongs to the technical field of the stair and specifically relates to a prefabricated stair for assembly type structure is related to.

Background

Staircases are structures for connecting floors of buildings, and even though elevators are installed in many high-rise buildings, fire-fighting passageways are still required in the buildings so that people can escape through the staircases in the fire-fighting passageways when encountering dangers.

In the related art, along with the assembly type building is gradually popularized, integrated into one piece's prefabricated staircase comes with transporting, and prefabricated staircase includes stair body, upper stair beam and lower stair beam respectively with the both ends fixed connection of stair body, during the installation, will transport the prefabricated staircase that has already been produced in the workshop inside the building earlier to upper stair beam and lower stair beam be fixed connection respectively to the upper landing of stairwell and the relevant position of lower platform.

Aiming at the related technology, when the prefabricated staircase is installed, only the upper ladder beam and the lower ladder beam are connected with the upper platform and the lower platform, and the bottom surface of the staircase body is suspended, so that the inventor thinks that the prefabricated staircase has the defect of poor earthquake resistance.

SUMMERY OF THE UTILITY MODEL

In order to improve prefabricated staircase's anti-seismic performance, the utility model provides an assembly type is prefabricated staircase for building.

The utility model provides a pair of prefabricated stair for assembly type structure adopts following technical scheme:

the utility model provides an assembly type is prefabricated staircase for building, includes stair body, upper stair roof beam and lower ladder roof beam, upper stair roof beam lower ladder roof beam respectively with the both ends fixed connection of stair body still include with upper stair roof beam and upper mounting plate, the installation component that lower ladder roof beam and lower platform are connected, share the damper of the vibrations that stair body receives, the installation component includes a plurality of built-in fittings, the built-in fitting respectively with the upper mounting plate lower platform is connected, damper includes the buffer block, the buffer block with stair body bottom surface butt, and with the relative fixed connection of upper mounting plate.

By adopting the technical scheme, the upper ladder beam and the lower ladder beam can be correspondingly connected with the upper platform and the lower platform, so that the effect of fixing the position of the stair body is achieved, the upper ladder beam and the upper platform can be fixedly connected with the lower ladder beam and the lower platform through the embedded parts, and the buffer blocks can share part of vibration applied to the stair body.

Preferably, the upper mounting plate is close to one side fixedly connected with of going up the ladder roof beam is gone up and is chosen the ear, the lower mounting plate is close to one side fixedly connected with of ladder roof beam is down chosen the ear, go up the ladder roof beam with on choose the ear the ladder roof beam with choose the ear overlap joint down, on choose the ear to be close to one side fixedly connected with of stair body has horizontally extension plate, the buffer block is located the extension plate top, just the buffer block with the relative fixed connection of extension plate.

Through adopting above-mentioned technical scheme, on choose ear and go up the ladder roof beam, choose the ear and down the ladder roof beam between the overlap joint can make and go up ladder roof beam top surface and upper landing top surface, lower ladder roof beam top surface and lower landing top surface flush, on choose the ear, choose the ear down and can bear the weight of part stair body, make the stair body more stable.

Preferably, a plurality of buffer spring of fixedly connected with on the buffer block, just the buffer block is close to on choose one side of ear with on choose the ear through a plurality of buffer spring fixed connection, the buffer block bottom surface with the extension board top surface is through a plurality of buffer spring fixed connection.

Through adopting above-mentioned technical scheme, buffer spring can further absorb the vibrations that the stair body received, strengthens the anti-seismic performance of stair body.

Preferably, go up the ladder roof beam the lower ladder beam bottom surface fixedly connected with shock pad, the shock pad with go up the ladder roof beam the lower ladder relative fixed connection of roof beam.

By adopting the technical scheme, the shock pad can absorb the vibration of a part of the stair body, and the shock absorption performance of the stair body is improved.

Preferably, the shock pad bottom surface fixedly connected with a plurality of shock attenuation strips, the shock attenuation strip bottom surface respectively with on choose the ear top surface, choose the ear top surface butt down.

Through adopting above-mentioned technical scheme, the shock attenuation strip can enough further strengthen the anti-seismic performance of stair body, also can increase the ladder beam and choose the ear on with, the ladder beam down and choose the frictional force between the ear down to increase its stability.

Preferably, the embedded parts are reinforcing steel bars, the reinforcing steel bars are fixedly connected with the upper picking lugs and the top surfaces of the lower picking lugs, and the upper ladder beam and the lower ladder beam are respectively provided with an upper mounting hole and a lower mounting hole corresponding to the reinforcing steel bars.

Through adopting above-mentioned technical scheme, when installing the stair body, make the reinforcing bar pass last mounting hole, mounting hole down correspondingly to the mortar is pour in the position of fixed stair body in the mounting hole, the mounting hole down, goes up the ladder roof beam and chooses ear, lower ladder roof beam and choose ear fixed connection down on going up.

Preferably, the mounting assembly further comprises a fastening nut, and the fastening nut is sleeved on the steel bar.

Through adopting above-mentioned technical scheme, add fastening nut on the reinforcing bar and can strengthen the steadiness of reinforcing bar, make go up the ladder roof beam and choose the ear on, the ladder roof beam is down and choose between the ear to be connected more closely down.

Preferably, the reinforcing steel bar is further sleeved with a gasket, and the top surface of the gasket is abutted to the bottom of the fastening nut.

Through adopting above-mentioned technical scheme, the gasket can share partly because stair body gravity with the fastening nut butt and at the ear of choosing the ear, choose the perpendicular power that the ear department produced down, reduce the friction between fastening nut and the mortar simultaneously.

The top surface of the stair body is fixedly connected with a guardrail.

Through adopting above-mentioned technical scheme, the security that the guardrail can strengthen the stair body on the one hand, on the other hand couples together each ladder, promotes holistic stability.

Preferably, a reinforcing rib is arranged inside the extension plate, and the length direction of the reinforcing rib is parallel to the length direction of the extension plate.

Through adopting above-mentioned technical scheme, the strengthening rib can improve the intensity of extension plate, makes it bear more vibrations.

To sum up, the utility model discloses following beneficial effect has:

1. go up ladder roof beam and upper mounting plate, lower ladder roof beam and lower platform and pass through built-in fitting fixed connection to reach fixed stair body position, accomplish the effect of prefabricated stair installation, buffer block and stair body bottom surface butt make unsettled position between stair body bottom surface and the last ladder roof beam bottom surface obtain the support, when the stair body received vibrations, partial vibrations passed through the buffer block and transmitted the upper mounting plate, thereby increased the anti-seismic performance of stair body.

2. Shock pad, shock attenuation strip can absorb go up the ladder roof beam and choose ear, lower ladder roof beam and choose the vibrations between the ear down, and the gasket can absorb partial vertical force, promotes holistic shock resistance.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

Figure 2 is a partial exploded view of the shock assembly as contemplated by the embodiments of the present application.

Description of reference numerals:

1. an upper platform; 11. picking up ears; 12. an extension plate; 121. reinforcing ribs; 2. a lower platform; 21. picking the ears downwards; 3. a stair body; 31. climbing a ladder beam; 311. an upper mounting hole; 32. descending a ladder beam; 321. a lower mounting hole; 4. mounting the component; 41. reinforcing steel bars; 42. fastening a nut; 43. a gasket; 5. a shock absorbing assembly; 51. a shock pad; 511. a shock absorbing bar; 52. a buffer block; 521. a buffer spring; 522. an anti-wear pad; 6. and (4) a guardrail.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The utility model provides a prefabricated staircase for assembly type structure, as shown in fig. 1 and 2, includes stair body 3, installation component 4, damper assembly 5 and guardrail 6, and 3 both ends of stair body are connected with upper mounting plate 1, lower landing 2 respectively, and installation component 4 is connected with upper mounting plate 1, lower landing 2, and damper assembly 5 is connected with stair body 3 and is used for the vibrations that disperse stair body 3 received, and guardrail 6 is installed on 3 top surfaces of stair body.

As shown in fig. 1, 3 one end fixedly connected with of stair body goes up terraced roof beam 31, other end fixedly connected with descends terraced roof beam 32, and go up terraced roof beam 31, the length of lower terraced roof beam 32 and the width looks adaptation of stair body 3, it is the horizontally cuboid structure to go up platform 1, its vertical face fixedly connected with that is close to last terraced roof beam 31 has the horizontally to be chosen ear 11 on, lower platform 2 is the same with 1 structure of last platform, it is close to the horizontally ear 21 of choosing under the vertical face fixedly connected with of stair body 3, thereby reach with stair body 3 and last platform 1, lower platform 2 overlap joint just keeps the smooth effect in ground.

As shown in fig. 1 and 2, a horizontal extension plate 12 is fixedly connected to the bottom of one side of the upper picking lug 11 far away from the upper platform 1, a reinforcing rib 121 is embedded in the extension plate 12, one end of the horizontal reinforcing rib 121 extends into the extension plate 12, the other end of the horizontal reinforcing rib extends into the upper picking lug 11, a plurality of vertical upper mounting holes 311 are formed in the upper ladder beam 31 along the length direction, and a plurality of lower mounting holes 321 are formed in the lower ladder beam 32 at the same position.

As shown in fig. 1 and 2, the installation component 4 includes built-in fitting and fastening nut 42, a plurality of built-in fittings respectively with on choose ear 11 and choose ear 21 top surface down and be connected, the built-in fitting can be reinforcing bar 41, steel sheet etc., this application embodiment adopts reinforcing bar 41 structure, the ear 11 is chosen on vertical 41 one end of reinforcing bar is vertical to stretch into, the other end stretches into in the mounting hole 311, and in stretching into mounting hole 321 down with choosing ear 21 fixed connection's reinforcing bar 41 down correspondingly, fastening nut 42 is established to the cover on every reinforcing bar 41.

When the stair body 3 is used, the upper mounting hole 311 and the lower mounting hole 321 are respectively aligned with the reinforcing steel bars 41 on the upper cantilever lug 11 and the lower cantilever lug 21, the reinforcing steel bars 41 are respectively inserted into the upper mounting hole 311 and the lower mounting hole 321, mortar is poured into the upper mounting hole 311 and the lower mounting hole 321, the mortar is firstly waited to be dried in the midway of pouring, the fastening screw cap 42 is screwed into the reinforcing steel bars 41, then the mortar is continuously poured until the top surfaces of the mortar are flush with the top surfaces of the upper stair beam 31 and the lower stair beam 32, and then the position of the stair body 3 can be fixed.

As shown in fig. 1 and 2, the shock absorbing assembly 5 includes a shock absorbing pad 51, a buffer block 52 and a gasket 43, the shock absorbing pad 51 is a horizontal plate-shaped structure made of rubber material, the shock absorbing pad 51 is respectively fixedly connected with the bottom surfaces of the upper ladder beam 31 and the lower ladder beam 32, the bottom surface of the shock absorbing pad is fixedly connected with a plurality of shock absorbing strips 511 with semicircular longitudinal sections, and the shock absorbing strips 511 and the shock absorbing pad 51 are made of the same material.

When the stair body 3 is vibrated, the shock absorption strips 511 and the shock absorption pads 51 can absorb partial vibration.

As shown in fig. 2, the buffer block 52 is a triangular prism with a longitudinal section being an isosceles right triangle, the right-angled edge of the triangular prism is close to the joint between the upper ladder beam 31 and the upper platform 1, the inclined surface of the buffer block 52 is tightly abutted against the bottom surface of the stair body 3, the horizontal surface and the vertical surface of the buffer block 52 are respectively and fixedly connected with a buffer spring 521, and the other end of the buffer spring 521 is respectively and fixedly connected with the top surface of the extension plate 12 and the vertical surface of the upper ear 11; the inclined surface of the buffer block 52 is laid with an anti-wear pad 522 made of rubber material.

During the use, when buffer block 52 and stair body 3 closely butt, the vibrations part that stair body 3 received transmits shock-absorbing strip 511, reduces the vibrations that transmit upper landing 1, lower landing 2 under buffer spring 521's buffering, and abrasionproof pad 522 can prevent to produce wearing and tearing when buffer block 52 and stair body 3 butt.

As shown in fig. 1 and 2, the spacer 43 is a circular plate having a diameter corresponding to the upper mounting hole 311 and the lower mounting hole 321, the spacer 43 is made of a rubber material, the top surface of the spacer 43 abuts against the bottom surface of the fastening nut 42, and the bottom surface of the spacer 43 abuts against the poured mortar.

As shown in fig. 1, two guard rails 6 are provided, and are respectively fixedly connected with two ends of the top surface of the stair body 3 in the length direction.

The utility model discloses a use as follows:

the reinforcing steel bars 41 on the upper picking lug 11 and the lower picking lug 21 are respectively inserted into the corresponding upper mounting hole 311 and the corresponding lower mounting hole 321, the position of the stair body 3 is determined, the shock-absorbing strip 511 is respectively tightly abutted against the top surface of the upper picking lug 11 and the top surface of the lower picking lug 21 under the action of the gravity of the stair body 3, the anti-abrasion pad 522 is abutted against the bottom surface of the stair body 3, mortar is poured into the upper mounting hole 311 and the lower mounting hole 321, pouring is stopped midway and the mortar is waited to be dried, and the reinforcing steel bars 41 are sequentially sleeved with the gaskets 43 and the fastening nuts 42 to enable the upper ladder beam 31 to be tightly abutted against the upper picking lug 11 and the lower ladder beam 32 to be tightly abutted against the lower picking lug 21; the vibration received by the stair body 3 can be dispersed by the shock-absorbing pad 51, the shock-absorbing strips 511 and the buffer springs 521, and the pad 43 can buffer a part of the vertical force generated between the stair body 3 and the upper and lower landings 1 and 2.

The embodiment of this embodiment is the preferred embodiment of the present invention, not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an assembled building prefabricated staircase, includes stair body (3), goes up ladder roof beam (31) and lower ladder roof beam (32), go up ladder roof beam (31), lower ladder roof beam (32) respectively with the both ends fixed connection of stair body (3), its characterized in that: still include with go up ladder roof beam (31) and upper mounting plate (1), share down ladder roof beam (32) and lower mounting plate (2) be connected installation component (4), share damping component (5) of the vibrations that stair body (3) received, installation component (4) include a plurality of built-in fittings, the built-in fittings respectively with upper mounting plate (1) lower mounting plate (2) are connected, damping component (5) include buffer block (52), buffer block (52) with stair body (3) bottom surface butt, and with upper mounting plate (1) relatively fixed connection.

2. The prefabricated staircase for assembled buildings according to claim 1, characterized in that: go up platform (1) and be close to go up one side fixedly connected with of ladder beam (31) and go up and choose ear (11), platform (2) are close to down one side fixedly connected with of ladder beam (32) chooses ear (21) down, go up ladder beam (31) with go up and choose ear (11) down ladder beam (32) with choose ear (21) overlap joint down, it is close to go up to choose ear (11) one side fixedly connected with of stair body (3) has horizontally extension plate (12), buffer block (52) are located extension plate (12) top, just buffer block (52) with extension plate (12) relatively fixed connection.

3. The prefabricated staircase for assembled buildings according to claim 2, characterized in that: a plurality of buffer springs (521) are fixedly connected to the buffer block (52), one side, close to the upper picking lug (11), of the buffer block (52) is fixedly connected with the upper picking lug (11) through the plurality of buffer springs (521), and the bottom surface of the buffer block (52) is fixedly connected with the top surface of the extension plate (12) through the plurality of buffer springs (521).

4. The prefabricated staircase for assembled buildings according to claim 2, characterized in that: go up ladder roof beam (31) down ladder roof beam (32) bottom surface fixedly connected with shock pad (51), shock pad (51) with go up ladder roof beam (31) down ladder roof beam (32) fixed connection relatively.

5. The prefabricated staircase for assembled buildings according to claim 4, wherein: shock pad (51) bottom surface fixedly connected with a plurality of shock-absorbing strips (511), shock-absorbing strip (511) bottom surface respectively with on choose ear (11) top surface under choose ear (21) top surface butt.

6. The prefabricated staircase for assembled buildings according to claim 2, characterized in that: the embedded part is reinforcing bar (41), reinforcing bar (41) with on choose ear (11), choose ear (21) top surface fixed connection down, go up ladder roof beam (31), down ladder roof beam (32) set up respectively with reinforcing bar (41) corresponding last mounting hole (311), lower mounting hole (321).

7. The prefabricated staircase for prefabricated buildings according to claim 6, wherein: the mounting assembly (4) further comprises a fastening nut (42), and the fastening nut (42) is sleeved on the steel bar (41).

8. The prefabricated staircase for assembled buildings according to claim 7, wherein: still be equipped with gasket (43) on reinforcing bar (41), gasket (43) top surface with fastening nut (42) bottom butt.

9. The prefabricated staircase for prefabricated buildings according to claim 1, wherein: the top surface of the stair body (3) is fixedly connected with a guardrail (6).

10. The prefabricated staircase for assembled buildings according to claim 2, characterized in that: reinforcing ribs (121) are arranged inside the extension plate (12), and the length direction of the reinforcing ribs (121) is parallel to the length direction of the extension plate (12).