CN219387335U

CN219387335U - Retractable dish detains stair

Info

Publication number: CN219387335U
Application number: CN202320469082.9U
Authority: CN
Inventors: 丁钟宇; 刘想; 黄新龙; 尹正潘; 唐海彬; 张好楠; 陈会锋; 李少辉; 郭孝震
Original assignee: Sinohydro Bureau 5 Co Ltd
Current assignee: Sinohydro Bureau 5 Co Ltd
Priority date: 2023-03-13
Filing date: 2023-03-13
Publication date: 2023-07-21
Anticipated expiration: 2033-03-13

Abstract

The utility model relates to the field of construction auxiliary support devices, and discloses a telescopic coiled buckle stair, which comprises two hollow ladder beams which are parallel to each other, wherein the top end of each ladder beam is provided with an inserting beam which is inserted into the ladder beam, and the bottom end of each ladder beam and the top end of each inserting beam are provided with hooks; the side wall of the splicing beam is provided with a plurality of adjusting holes, and the adjusting holes are matched with the bolt holes on the side wall of the ladder beam and are fixed through splicing bolts; the ladder beams are also uniformly provided with a plurality of transverse threaded through holes, and the pedals are fixed between the ladder beams at two sides through transverse bolts and the transverse threaded through holes; the front end of the pedal is also provided with an anti-overturning component. The device has a simple structure, can effectively adapt to disc buckle type brackets with different specifications through the telescopic ladder beam, effectively increases the universality of stairs matched with the disc buckle type brackets, simultaneously effectively simplifies the installation procedure, effectively prevents the pedals from overturning through the vertical screw rod abutting the limit nut, simultaneously has more convenient pedal installation process, effectively accelerates the installation speed and shortens the construction period.

Description

Retractable dish detains stair

Technical Field

The utility model relates to the field of construction auxiliary support devices, in particular to a telescopic coiled buckle stair.

Background

The socket type disc buckle type steel pipe support is used as a common means in the construction industry, the support body is simple, light and easy to operate, can be quickly assembled and disassembled, is quick and simple in perpendicularity and levelness adjustment, is easy to fix, cannot twist, is matched with different accessories, is multifunctional to use, is standard and neat after the support body is erected, is strong in overall stability, and is widely applied to the fields of building construction, roads and bridges and the like.

However, the traditional disc buckle stair matching steel ladder beam is single in structural type, and cannot be matched with disc buckle type frame bodies with various upright rod intervals, so that the installation and the disassembly are troublesome, and meanwhile, the universality and the recycling rate are low. In addition, the pedal in the existing disc buckle type steel pipe support usually depends on the bottom L-shaped steel support to prevent overturning, so that the position of the L-shaped steel needs to be accurately measured in the installation process, and the installation is troublesome.

Disclosure of Invention

The utility model aims to solve the technical problems that in the prior art, a plate buckle type stair matched ladder beam is single in structure, a multi-specification frame body cannot be matched, and the bottom L-shaped steel is troublesome to install.

In order to solve the technical problems, the utility model adopts the following technical scheme: a telescopic coiled buckle stair comprises two hollow ladder beams which are parallel to each other, wherein an inserting beam which is inserted into the ladder beams is arranged at the top end of each ladder beam, and hooks are arranged at the bottom end of each ladder beam and the top end of each inserting beam; the side wall of the splicing beam is provided with a plurality of adjusting holes, and the adjusting holes are matched with the bolt holes on the side wall of the ladder beam and are fixed through splicing bolts;

the ladder beams are also uniformly provided with a plurality of transverse threaded through holes, and the pedals are fixed between the ladder beams at two sides through transverse bolts and the transverse threaded through holes; the front end of the pedal is also provided with an anti-overturning component.

Particularly, the anti-overturning assembly comprises a clamping block which is arranged at the front end of the pedal side wall and extends outwards transversely, a vertical through groove with a rectangular section is formed in the clamping block, a vertical screw rod is inserted in the vertical through groove, an axial horizontal mounting nut is arranged at the top of the vertical screw rod, and the mounting nut is sleeved on the transverse positioning screw rod of the ladder beam side wall; the clamping block is sleeved on the vertical screw rod, and the two supporting nuts are respectively abutted against the clamping block at the upper side and the lower side of the clamping block.

Furthermore, the outer end of the transverse positioning screw is also provided with a limit nut.

Compared with the prior art, the utility model has the following advantages and beneficial effects: the telescopic ladder beam is simple in structure, can be effectively matched with disc buckle type brackets with different specifications, effectively increases the universality of the stair matched with the disc buckle type brackets, and simultaneously effectively simplifies the installation procedure; through establish the installation nut cover on the horizontal positioning screw of ladder beam lateral wall to cooperate two support nut, thereby effectively prevent the footboard upset, footboard installation is more convenient simultaneously, effectively accelerates installation rate, shortens construction cycle.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic diagram of the pedal structure.

Fig. 3 is a detailed construction diagram of the pedal mounting state.

The definitions of the various numbers in the figures are: ladder beam-1; a hook-2; a transverse bolt-3; a pedal-4; a clamping block-41; vertical through grooves-42; a vertical screw rod-5; installing a nut-51; a transverse positioning screw rod-6; a support nut-7; a plug-in beam-8; and an adjusting hole-81.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, so as to further understand the concept of the present utility model, the technical problems to be solved, the technical features constituting the technical solutions, and the technical effects brought thereby.

As shown in fig. 1 to 3, a telescopic coiled buckle stair is characterized by comprising two hollow ladder beams 1 which are parallel to each other, wherein the top end of each ladder beam 1 is provided with an inserting beam 8 which is inserted into the ladder beam 1, and the bottom end of each ladder beam 1 and the top end of each inserting beam 8 are respectively provided with a hook 2; the side wall of the inserted beam 8 is provided with a plurality of adjusting holes 81, and the adjusting holes 81 are matched with the inserted pin holes on the side wall of the ladder beam 1 and are fixed through inserted bolts;

a plurality of transverse threaded through holes are uniformly distributed on the ladder beams 1, and pedals 4 are fixed between the ladder beams 1 at two sides through transverse bolts 3 and the transverse threaded through holes; the front end of the pedal 4 is also provided with an anti-overturning component.

In the field construction process, the common vertical rod spacing of the disc buckle type steel pipe bracket is 1.2m, and the transverse rod step distance is 1.5m; the distance between the upright posts is 1.5m, and the step distance between the transverse rods is 1.5m; in order to achieve the technical effects, the device is integrally made of Q235b steel, the size of a ladder beam 1 is 48mm 68mm 1790mm, the size of an inserting beam 8 is 40mm 60mm 750mm, the size of a pedal 4 is 50mm 250mm 650mm, the pedals 4 are arranged at intervals of 350mm along the direction of the ladder beam 1, and the thicknesses of the components are all 3mm. The plug-in beam 8 is sleeved in the ladder beam 1, and can be adjusted to the required length by matching with the plug-in bolt through the adjusting hole 81 when in use. Specifically, during actual installation, the lengths of the ladder beam 1 and the plug beam 8 are adjusted according to the sizes of the steel pipe brackets which are matched as required, and the lengths of the ladder beam 1 and the plug beam 8 are adjusted by screwing the plug bolts into the adjusting holes 81 at different positions, so that the hooks 2 at the bottom of the ladder beam 1 and the top of the plug beam 8 can be just fixed on the upper cross rod and the lower cross rod of the frame body. Then, the pedals 4 are sequentially installed through the transverse bolts 3 to finish the installation and fixation of the stairs, so that the aim of pre-adjusting the length of the stairs according to actual needs is fulfilled.

As a preferred embodiment, the anti-overturning assembly comprises a clamping block 41 which is arranged at the front end of the side wall of the pedal 4 and extends outwards transversely, a vertical through groove 42 with a rectangular section is arranged on the clamping block 41, a vertical screw 5 is inserted into the vertical through groove 42, an axial horizontal mounting nut 51 is arranged at the top of the vertical screw 5, and the mounting nut 51 is sleeved on the transverse positioning screw 6 of the side wall of the ladder beam 1; the clamping block 41 is propped against the supporting nuts 7 on the upper side and the lower side of the clamping block 41 respectively.

In this embodiment, a specific structure of the anti-capsizing assembly is provided, wherein care should be taken that the latch 41 is below the ladder beam 1 when the steps 4 are installed. Then a vertical screw 5 with a mounting nut 51 is inserted in the vertical through slot 42: the installation nuts 51 are sleeved on the transverse positioning screw rods 6 on the outer wall of the ladder beam 1, the support nuts 7 on the upper side are screwed into the vertical screw rods 5, then the vertical through grooves 42 are inserted, the second support nuts 7 are screwed into the bottom ends of the vertical screw rods 5, the support nuts 7 on the upper side and the lower side are tightly abutted with the upper side and the lower side of the clamping blocks 41, and accordingly the effect of fixing the vertical screw rods 5 is achieved. At this time, both the upper and lower ends of the vertical screw 5 are fixed, thereby achieving the purpose of preventing the pedal 4 from turning over.

As a further embodiment, the outer end of the transverse positioning screw 6 is also provided with a limit nut.

In this embodiment, the limit nut is additionally arranged at the outer end of the transverse positioning screw 6, and the position of the mounting nut 51 is fixed by using the limit nut, so that the condition that the limit nut slides down in the use process is prevented, and the potential safety hazard is reduced.

The terms "connected" and "fixed" used in the description of the present utility model may be fixed, formed, welded, or mechanically connected, and the specific meaning of the terms in the present utility model is understood in specific cases.

In the description of the present utility model, the terms "center," "upper," "lower," "horizontal," "inner," "outer," and the like are used merely for convenience in describing the present utility model and to simplify the description, and do not denote or imply a particular orientation that the device or element in question must have, and thus should not be construed as limiting the utility model.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will appreciate that; the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. The telescopic coiled buckle stair is characterized by comprising two hollow ladder beams (1) which are parallel to each other, wherein an inserting beam (8) which is inserted into the ladder beams (1) is arranged at the top end of each ladder beam (1), and hooks (2) are arranged at the bottom end of each ladder beam (1) and the top end of each inserting beam (8); the side wall of the plug-in beam (8) is provided with a plurality of adjusting holes (81), and the adjusting holes (81) are matched with the plug-in holes on the side wall of the ladder beam (1) and are fixed through plug-in bolts;

a plurality of transverse threaded through holes are uniformly distributed on the ladder beams (1), and the pedals (4) are fixed between the ladder beams (1) at two sides through transverse bolts (3) and the transverse threaded through holes; the front end of the pedal (4) is also provided with an anti-overturning component.

2. The retractable buckle stair according to claim 1, wherein the anti-overturning assembly comprises a clamping block (41) which is arranged at the front end of the side wall of the pedal (4) and extends outwards and transversely, a vertical through groove (42) with a rectangular section is formed in the clamping block (41), a vertical screw rod (5) is inserted into the vertical through groove (42), an axial horizontal mounting nut (51) is arranged at the top of the vertical screw rod (5), and the mounting nut (51) is sleeved on a transverse positioning screw rod (6) of the side wall of the ladder beam (1); the clamping block (41) is tightly propped by the two support nuts (7) respectively on the upper side and the lower side of the clamping block (41).

3. A retractable buckle stairway according to claim 2, characterised in that the outer extremities of the transverse locating screw (6) are also provided with a limit nut.