CN117416835A - Assembled rotary steel stair structure and assembling method thereof - Google Patents

Abstract

The invention relates to the technical field of buildings, in particular to an assembled rotary steel stair structure and an assembling method thereof, wherein the assembled rotary steel stair structure comprises a rotary stair body, the inner end of the rotary stair body is fixed on a mounting upright post, and the mounting upright post is fixed on a mounting base; the outer end of the rotary stair body is fixed with an outer handrail frame, and a walking channel is formed among the outer handrail frame, the rotary stair body and the mounting upright post; the outer handrail frame is movably connected with a rotary lifting mechanism, the rotary lifting mechanism is connected with a power mechanism arranged on the outer handrail frame, and the rotary lifting mechanism can perform spiral lifting motion along the outer handrail frame under the driving of the power mechanism. The outer handrail frame is connected with the rotary lifting mechanism in a matched manner, and the rotary lifting mechanism can be controlled to perform spiral lifting sliding on the outer handrail frame, so that objects to be conveyed, which are borne on the rotary lifting mechanism, are conveyed upwards; the invention has the object conveying function, and people do not need to lift heavier objects to climb around.

Description

Assembled rotary steel stair structure and assembling method thereof

Technical Field

The invention relates to the technical field of buildings, in particular to an assembled rotary steel stair structure and an assembling method thereof.

Background

With the continuous development of society and economy, rotary stairways are increasingly used in buildings.

The rotating stairway is commonly referred to as a spiral or helical stairway, and is typically arranged around a single column. The stair cannot be used as a main traffic and evacuation stair, and the rotary stair has wide application in daily life of people, but is attractive, graceful and elegant in streamline appearance and relatively saving space. Although the space is saved, the rotary stair in the prior art has the problem that the rotary stair is not easy to convey objects up and down stairs when in use, and particularly the heavy objects are inconvenient to convey;

for example, the utility model provides an assembled steel construction rotatory stair structure of patent number CN202110549515.7, belongs to rotatory stair technical field, including the center post, the outside of center post is provided with a plurality of locating pieces, and the outside joint of locating piece has the step, be provided with installation mechanism and strengthening mechanism in the locating piece, part of strengthening mechanism is located the center post, is provided with clearance mechanism on the step, clearance mechanism laminating is at the upper surface of step. The rotary stair is simple in structure and easy to install, but does not have object conveying equipment when in use, when heavy objects need to be conveyed, people need to lift the heavy objects to climb in a surrounding mode, the objects are easy to collide, physical strength is high, and inconvenience is caused.

Disclosure of Invention

In the summary, a series of concepts in a simplified form are introduced, which will be further described in detail in the detailed description. The summary of the invention is not intended to define the key features and essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.

In order to at least partially solve the problems, the invention provides an assembled rotary steel stair structure, which comprises a rotary stair body, wherein the inner end of the rotary stair body is fixed on a mounting upright post, and the mounting upright post is fixed on a mounting base; the outer end of the rotary stair body is fixed with an outer handrail frame, and a walking channel is formed among the outer handrail frame, the rotary stair body and the mounting upright post; the outer handrail frame is movably connected with a rotary lifting mechanism, the rotary lifting mechanism is connected with a power mechanism arranged on the outer handrail frame, and the rotary lifting mechanism can be driven by the power mechanism to perform spiral lifting motion along the outer handrail frame so as to perform lifting motion on objects to be carried borne on the rotary lifting mechanism.

Optionally, the rotary stair body comprises a plurality of pedals, and the inner ends of the pedals are spirally distributed and fixed on the mounting upright post; the outer ends of the pedals are fixed with the protective posts which are fixed at the lower end of the outer armrest frame at equal intervals.

Optionally, the foot rest, the guard post and the mounting upright post are all made of alloy steel.

Optionally, a rubber anti-slip pad is adhered to the foot pedal.

Optionally, an upper spiral guide groove, a middle spiral guide groove and a lower spiral guide groove which are communicated from top to bottom are formed in the top surface of the outer handrail frame, and the width of the middle spiral guide groove is smaller than that of the lower spiral guide groove; the rotary lifting mechanism comprises a traction rope, one end of the traction rope is connected to the power mechanism, the middle part of the traction rope is arranged in the lower spiral guide groove in a penetrating mode, the other end of the traction rope is fixed on a spiral sliding block, and the spiral sliding block is in sliding fit in the upper spiral guide groove, the middle spiral guide groove and the lower spiral guide groove; the top of the spiral sliding block is fixed with a spiral sliding seat which slides on the outer side surface of the outer handrail frame; and a top column assembly is fixed on the spiral sliding seat, one end of a hanging bracket assembly is rotatably connected on the top column assembly, and the other end of the hanging bracket assembly is connected with a bracket assembly.

Optionally, the power mechanism comprises a power motor arranged on the outer handrail frame, a winding and unwinding belt wheel is fixed on an output shaft of the power motor, and one end of the traction rope is fixed on the winding and unwinding belt wheel so as to wind or unwind the traction rope.

Optionally, the jack post assembly comprises a jack post body, the jack post body is fixed on the spiral sliding seat, the jack post body is rotationally connected with a regulating and controlling rotating wheel, a plurality of locking jacks are uniformly arranged on the regulating and controlling rotating wheel in a surrounding mode, the upper end of the jack post body is in threaded connection with an inserting rod, and the lower end of the inserting rod can be inserted into any locking jack hole;

optionally, the hanger component comprises a transverse frame body, one end of the transverse frame body is fixed on the regulating and controlling rotating wheel, the other end of the transverse frame body is fixed with a vertical frame body, the vertical frame body is rotationally connected with the middle part of a hanging connecting shaft, the outer end of the hanging connecting shaft is fixedly connected with a bracket component, the inner end of the hanging connecting shaft is fixedly provided with a rotary gear, the upper end of the rotary gear is meshed with a sliding rack, the middle part of the sliding rack slides on a guide cross rod through a transverse slideway, and the two ends of the guide cross rod are relatively fixed at the two ends of the vertical frame body; two limit sliding sleeves are in sliding fit on the guide cross rod, each limit sliding sleeve is in threaded connection with a limit rod, a plurality of limit holes are uniformly formed in the guide cross rod side by side, and the limit rods are inserted into one limit hole; two ends of the sliding rack are respectively fixed with inner ends of one buffering pressure spring, and outer ends of the two buffering pressure springs are fixedly connected with the two limiting sliding sleeves one by one; the transverse frame body is connected with a locking rod through threads, and the locking rod can be inserted into a locking groove on the top surface of the sliding rack.

Optionally, the bracket assembly comprises a central frame body, the upper end of the central frame body is fixed at the outer end of the hanging shaft, the lower end of the central frame body is fixed with a transverse chute frame, a control screw is rotationally connected in a central slideway of the central frame body, the middle part of the control screw is in threaded connection with a push-pull frame sliding in the central slideway, and the lower end of the control screw is fixedly provided with a control screwing wheel; two ends of the push-pull frame are in one-to-one rotation connection with the two push-pull rods, the other ends of the two push-pull rods are in one-to-one rotation connection with the two telescopic frames, the two telescopic frames relatively slide in the slideways at two ends of the transverse sliding groove frame, each telescopic frame rotates a movable supporting rod, and each movable supporting rod is fixed with a turnover supporting rod through a swing arm; the transverse chute frame is rotationally connected with a plurality of transverse supporting pipes which are arranged side by side, and the axes of the transverse supporting pipes are coplanar with the axes of the movable supporting rods; the inner end of each movable supporting rod is fixedly provided with a worm wheel, the two worm wheels are meshed with the two worms one by one, the two worms are rotated on the two telescopic brackets through rod bases, the two worms slide at two ends of the multi-edge sliding rod through multi-edge sliding ways, and the middle part of the multi-edge sliding rod is rotated on the transverse sliding groove frame.

Optionally, each transverse supporting tube internal thread is matched with a displacement screw rod, and the outer ends of the displacement screw rods are fixed on the limiting frame; each transverse supporting tube is fixed with a linkage wheel, and a plurality of linkage wheels are connected through a linkage belt in a transmission way; the transverse supporting tube is provided with a driven sprocket which is connected with a driving sprocket through a chain, the driving sprocket is fixed on a wheel shaft, the wheel shaft rotates at the lower end of the transverse sliding groove frame, and a linkage gear fixed on the wheel shaft is meshed with a linkage rack fixed at the bottom of a telescopic frame.

A method of assembling an assembled rotary steel stair structure, the method comprising the steps of:

step one, moving an installation base to a preset installation position and fixing the installation base through bolts;

step two, connecting the lower end of the mounting upright post in an internal threaded hole in the center of the top surface of the mounting base;

step three, sleeving the inner end of the rotary stair body on the mounting upright post, and realizing the fixed connection between the rotary stair body and the mounting upright post through the cooperation of bolts and nuts;

installing the outer handrail frame at the outer end of the rotary stair body through the matching of bolts and nuts, so as to fix the outer handrail frame and the rotary stair body;

and fifthly, installing the rotary lifting mechanism and the power mechanism on the outer handrail frame to complete the assembly of the assembled rotary steel stair structure.

Compared with the prior art, the invention at least comprises the following beneficial effects:

the assembled rotary steel stair structure disclosed by the invention has the advantages that the whole structure is convenient to install, the occupied space is small, and the practicability is strong; the spiral outer handrail frame is arranged in the inner part of the protective frame, so that the protective effect can be effectively achieved; the outer handrail frame is connected with a rotary lifting mechanism in a matched mode, the rotary lifting mechanism can bear goods to be conveyed, after the power mechanism is started, the rotary lifting mechanism can be controlled to conduct spiral lifting sliding on the outer handrail frame, and therefore objects to be conveyed borne on the rotary lifting mechanism are conveyed upwards; the invention has the object conveying function, when heavy objects are required to be conveyed, people do not need to lift the heavy objects to carry out surrounding climbing, the probability of colliding with the objects can be reduced, and the conveying device is convenient and fast.

In order to make the above objects, features and advantages of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the related art, the drawings that are required to be used in the description of the embodiments or the related art will be briefly described, and it is apparent that the drawings in the description below are some embodiments of the present invention, and other drawings may be obtained according to the drawings without inventive effort for those skilled in the art.

FIG. 1 is a schematic diagram illustrating an embodiment of the present invention;

FIG. 2 is a second overall schematic diagram according to an embodiment of the present invention;

FIG. 3 is a schematic view of an outer handrail frame and a stair body according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a rotary lifting mechanism according to an embodiment of the present invention;

FIG. 5 is a schematic view of a top pillar assembly according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a hanger assembly according to an embodiment of the present invention;

FIG. 7 is a schematic diagram of a bracket assembly according to an embodiment of the present invention;

FIG. 8 is a second schematic structural view of a bracket assembly according to an embodiment of the present invention;

fig. 9 is a schematic structural diagram of a spiral slider and a spiral slide provided in an embodiment of the present invention;

fig. 10 is a schematic structural diagram of a power mechanism according to an embodiment of the present invention.

Icon: a rotary stair body 1; installing a stand column 2; a mounting base 3; an outer armrest frame 4; a rotary lifting mechanism 5; a traction rope 501; a spiral slider 502; a spiral slide 503; a power mechanism 6; a top column assembly 7; a top post body 701; a regulating wheel 702; a plunger 703; a hanger assembly 8; a cross frame 801; a vertical frame 802; a hanging shaft 803; a rotation gear 804; sliding rack 805; a guide rail 806; a limiting slip cover 807; a buffer compression spring 808; a lock bar 809; a bracket assembly 9; a center frame 901; a cross chute rack 902; a control screw 903; a push-pull rack 904; push-pull rod 905; a telescoping rack 906; a movable support bar 907; flipping the joists 908; a cross brace 909; a worm gear 910; a worm 911; a multi-edged slide bar 912; a displacement screw 913; a stopper 914; a linkage wheel 915; a drive sprocket 916; and a linkage gear 917.

Detailed Description

In order to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below, and it is obvious that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present application and simplify description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of a plurality of "a number" is two or more, unless explicitly defined otherwise.

It should be understood that the structures, proportions, sizes, etc. shown in the drawings are shown only in connection with the present disclosure, and are therefore not intended to limit the scope of the invention, which is defined by the claims, but are not to be limited to the specific details disclosed herein. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the present application to which they may be applied, but rather to modify or adapt the relative relationship without materially altering the technical context.

The invention is described in further detail below with reference to fig. 1-10.

Example 1

As shown in fig. 1-10, an assembled rotary steel stair structure comprises a rotary stair body 1, wherein the inner end of the rotary stair body 1 is fixed on a mounting upright post 2, and the mounting upright post 2 is fixed on a mounting base 3; the outer end of the rotary stair body 1 is fixed with an outer handrail frame 4; the outer handrail frame 4 is movably connected with a rotary lifting mechanism 5, the rotary lifting mechanism 5 is connected with a power mechanism 6 arranged on the outer handrail frame 4, and the rotary lifting mechanism 5 can perform spiral lifting motion along the outer handrail frame 4 under the driving of the power mechanism 6 so as to perform lifting motion on objects to be carried borne on the rotary lifting mechanism 5.

The working principle and beneficial effects of the technical scheme are as follows:

in the assembled rotary steel stair structure, the installation base 3 is used for supporting the whole stair structure, the installation base 3 is fixed on the ground, the installation upright post 2 is used for supporting the rotary stair body 1, the rotary stair body 1 is detachably connected to the installation base 3, the rotary stair body 1 is used for trampling and climbing, the outer handrail frame 4 is used for protecting the outer side of the rotary stair body 1, so that the safety of the stair structure is improved when the stair structure is used, the stair structure is convenient to hold, and the stability of the stair structure during climbing is improved; the outer handrail frame 4 is movably connected with a rotary lifting mechanism 5, the rotary lifting mechanism 5 can bear goods to be conveyed, and after the power mechanism 6 is started, the rotary lifting mechanism 5 can be controlled to perform spiral lifting sliding on the outer handrail frame 4, so that the goods to be conveyed borne on the rotary lifting mechanism 5 are conveyed upwards; the invention has the object conveying function, when heavy objects need to be conveyed, people do not need to lift the heavy objects to carry out surrounding climbing, the probability of colliding with the objects can be reduced, the manual conveying is not needed, and the invention is very convenient; the invention has the advantages of convenient installation, small occupied space and strong practicability, and when an object needs to be controlled to be conveyed from top to bottom or the rotary lifting mechanism 5 moves downwards to the lower end of the outer handrail frame 4, the traction of the rotary lifting mechanism 5 is gradually released by the control power mechanism 6, and the rotary lifting mechanism 5 can slide downwards on the outer handrail frame 4 under the gravity of the rotary lifting mechanism or the object on the rotary lifting mechanism 5, so that the use is convenient.

The rotary stair body 1 comprises a plurality of pedals, and the inner ends of the pedals are spirally distributed and fixed on the mounting upright post 2; the outer ends of the pedals are fixed with protective posts which are distributed and fixed at equal intervals at the lower end of the outer handrail frame 4.

The plurality of protection posts are matched with the outer handrail frame 4, so that a protection structure can be effectively formed, the falling probability of personnel is reduced, and the safety performance of the invention is improved.

The foot rest, the protection column and the mounting upright post 2 are all made of alloy steel, so that the structural strength is high and the stability is good.

The rubber anti-slip pad is adhered to the pedal plate, so that the friction force of the pedal plate during use is enhanced, the anti-slip effect is achieved, and the safety performance is improved.

Example two

As shown in fig. 1-10, the top surface of the outer handrail frame 4 is provided with an upper spiral guide groove, a middle spiral guide groove and a lower spiral guide groove which are communicated from top to bottom, and the width of the middle spiral guide groove is smaller than that of the lower spiral guide groove; the rotary lifting mechanism 5 comprises a traction rope 501, one end of the traction rope 501 is connected to the power mechanism 6, the middle part of the traction rope 501 is arranged in the lower spiral guide groove in a penetrating way, the other end of the traction rope 501 is fixed on a spiral sliding block 502, and the spiral sliding block 502 is in sliding fit in the upper spiral guide groove, the middle spiral guide groove and the lower spiral guide groove; the top of the spiral slide block 502 is fixed with a spiral slide seat 503, and the spiral slide seat 503 slides on the outer side surface of the outer handrail frame 4; the spiral slide 503 is provided with a top column assembly 7, one end of a hanging bracket assembly 8 is rotatably connected to the top column assembly 7, and the other end of the hanging bracket assembly 8 is connected to a bracket assembly 9.

The working principle and beneficial effects of the technical scheme are as follows:

in the assembled rotary steel stair structure, an upper spiral guide groove, a middle spiral guide groove and a lower spiral guide groove which are communicated from top to bottom are formed in an outer handrail frame 4, and a spiral sliding block 502 is slidably matched in the upper spiral guide groove, the middle spiral guide groove and the lower spiral guide groove, so that the spiral sliding block 502 can be stably and slidably matched on the outer handrail frame 4, the width of the middle spiral guide groove is smaller than that of the lower spiral guide groove, the spiral sliding block 502 is prevented from being separated from the outer handrail frame 4, a spiral sliding seat 503 is fixed at the top of the spiral sliding block 502, the spiral sliding seat 503 slides on the outer side surface of the outer handrail frame 4, and the connection stability of a rotary lifting mechanism 5 and the outer handrail frame 4 is further improved; the screw slide 503 is provided with the jack-post assembly 7, the jack-post assembly 7 can be used for supporting the hanging bracket assembly 8 and the bracket assembly 9, the positions of the hanging bracket assembly 8 and the bracket assembly 9 can be changed through the jack-post assembly 7, the hanging bracket assembly 8 and the bracket assembly 9 are positioned on the inner side of the outer handrail frame 4, namely right above the rotary stair body 1, a seat can be installed on the bracket assembly 9 at the moment, a user with inconvenient actions can conveniently move to the upper side or the lower side of the rotary stair body 1 through the rotary lifting mechanism 5, and when a to-be-carried object with larger moving volume and larger width is required, the hanging bracket assembly 8 and the bracket assembly 9 can be controlled to be positioned on the outer side of the outer handrail frame 4, so that the installation or the transportation is convenient.

The power mechanism 6 comprises a power motor arranged on the outer handrail frame 4, a winding and unwinding belt wheel is fixed on an output shaft of the power motor, and one end of the traction rope 501 is fixed on the winding and unwinding belt wheel so as to wind or unwind the traction rope 501.

The inside power motor of power unit 6 can drive the reel and unreel the band pulley and rotate after starting, can wind up or unreel haulage rope 501 when reel unreels the band pulley and rotate, and when the control reel unreels the band pulley to haulage rope 501, haulage rope 501 can drive spiral slider 502 and upwards slide in last spiral guide way, well spiral guide way and lower spiral guide way, otherwise, reel unreels the band pulley and put when stretching haulage rope 501, spiral slider 502 can be under its own gravity down in last spiral guide way, well spiral guide way and lower spiral guide way, stability is better, the practicality is stronger.

Example III

As shown in fig. 1-10, the jack-prop assembly 7 includes a jack-prop body 701, the jack-prop body 701 is fixed on the spiral slide 503, a regulating and controlling wheel 702 is rotatably connected on the jack-prop body 701, a plurality of locking jacks are uniformly and circumferentially arranged on the regulating and controlling wheel 702, the upper end of the jack-prop body 701 is in threaded connection with an inserting rod 703, and the lower end of the inserting rod 703 can be inserted into any locking jack; the regulating wheel 702 is connected to a hanger assembly 8.

In the assembled rotary steel stair structure, the jacking body 701 plays a supporting role, the jacking body 701 can move under the drive of the spiral slide seat 503, the jacking body 701 is rotationally connected with the regulating and controlling rotating wheel 702, and the position of the hanging bracket assembly 8 can be changed by rotating the regulating and controlling rotating wheel 702, so that the positions of the hanging bracket assembly 8 and the bracket assembly 9 are changed, and the bracket assembly 9 is convenient to control to be positioned at the inner side or the outer side of the outer handrail frame 4; after the rotation of the regulating and controlling rotating wheel 702 is regulated, the locking jacks inserted in the corresponding positions through the inserting rods 703 can be used for realizing fixation, and finally, the position of the bracket assembly 9 is limited.

The hanging bracket assembly 8 comprises a transverse frame body 801, one end of the transverse frame body 801 is fixed on a regulating and controlling rotating wheel 702, the other end of the transverse frame body 801 is fixed with a vertical frame body 802, the middle part of a hanging connecting shaft 803 is rotatably connected to the vertical frame body 802, the outer end of the hanging connecting shaft 803 is fixedly connected with a bracket assembly 9, a rotary gear 804 is fixed at the inner end of the hanging connecting shaft 803, the upper end of the rotary gear 804 is meshed with a sliding rack 805, the middle part of the sliding rack 805 slides on a guide cross rod 806 through a transverse slideway, and two ends of the guide cross rod 806 are relatively fixed at two ends of the vertical frame body 802; two limit sliding sleeves 807 are slidably matched on the guide cross rod 806, a limit rod is connected to each limit sliding sleeve 807 in a threaded mode, a plurality of side-by-side limit holes are uniformly formed in the guide cross rod 806, and the limit rods are inserted into one limit hole; two ends of the sliding rack 805 are respectively fixed with inner ends of a buffer compression spring 808, and outer ends of the two buffer compression springs 808 are fixedly connected with two limit sliding sleeves 807 one by one; the transverse frame 801 is connected with a locking rod 809 through threads, and the locking rod 809 can be inserted into a locking groove on the top surface of the sliding rack 805.

The working principle and beneficial effects of the technical scheme are as follows:

when the hanger assembly 8 is used, one end of the horizontal frame body 801 is fixed on the regulating and controlling rotating wheel 702, the other end of the horizontal frame body 801 is fixed with the vertical frame body 802, the horizontal frame body 801 plays a role in supporting, the vertical frame body 802 is rotationally connected with the middle part of the hanging frame 803, the outer end of the hanging frame 803 is fixedly connected with the bracket assembly 9, the horizontal frame body 801, the vertical frame body 802 and the hanging frame 803 can be driven by the regulating and controlling rotating wheel 702 to rotate and move circularly, so that the bracket assembly 9 is driven to move, the position of the bracket assembly 9 is changed, the inner end of the hanging frame 803 is fixed with the rotary gear 804, when the bracket assembly 9 drives an object to be carried to lift, the bracket assembly 9 can swing by a small amplitude, the bracket assembly 803 can be driven to rotate to a certain extent when the hanging frame assembly 9 swings, the rotary gear 803 can be driven to rotate, the rotary gear 803 can be meshed to drive the sliding rack 805 to slide a certain distance on the guide cross rod 806, at the moment, the buffering compression springs 808 on the guide cross rod 806 can be compressed, at the moment, the buffering compression springs 808 can play a role in buffering, the buffering effect, the bracket assembly 9 can swing by a certain amplitude, meanwhile, the vibration springs 808 can be prevented from swinging, and the vibration of the bracket assembly 9 can be prevented from falling down, and the vibration can be buffered, and the vibration assembly can be greatly caused by the vibration springs; and the sliding distance of the sliding rack 805 on the guide cross bar 806 can be adjusted according to actual needs, during adjustment, the limiting rod is rotated to be separated from the limiting hole on the guide cross bar 806, then the position of the sliding limiting sliding sleeve 807 on the guide cross bar 806 is adjusted, and the compression range of the buffering pressure spring 808 is changed, so that the adjustment of the maximum sliding distance of the sliding rack 805 is realized, the maximum swing range of the bracket assembly 9 is finally limited, and the use requirements of different conditions are met.

Example IV

As shown in fig. 1 to 10, the bracket assembly 9 comprises a central frame body 901, wherein the upper end of the central frame body 901 is fixed at the outer end of a hanging shaft 803, the lower end of the central frame body 901 is fixed with a horizontal chute frame 902, a control screw 903 is rotatably connected in a central slideway of the central frame body 901, the middle part of the control screw 903 is in threaded connection with a push-pull frame 904 sliding in the central slideway, and the lower end of the control screw 903 is fixed with a control screwing wheel; two ends of the push-pull frame 904 are in one-to-one rotary connection with two push-pull rods 905, the other ends of the two push-pull rods 905 are in one-to-one rotary connection with two telescopic frames 906, the two telescopic frames 906 relatively slide in the slideways at two ends of the transverse sliding groove frame 902, each telescopic frame 906 rotates with a movable supporting rod 907, and each movable supporting rod 907 is fixed with a turnover supporting rod 908 through a swing arm; a plurality of side-by-side transverse supporting pipes 909 are rotatably connected to the transverse chute rack 902, and the axes of the transverse supporting pipes 909 are coplanar with the axes of the movable supporting rods 907; each movable supporting rod 907 is fixed with a worm wheel 910 at the inner end, the two worm wheels 910 are meshed with the two worms 911 one by one, the two worms 911 are rotated on the two telescopic brackets 906 through rod bases, the two worms 911 slide on the two ends of the multi-edge slide rod 912 through multi-edge slide ways, and the middle part of the multi-edge slide rod 912 is rotated on the transverse slide groove frame 902.

The working principle and beneficial effects of the technical scheme are as follows:

in the assembled rotary steel stair structure, when the bracket assembly 9 is used, the contact position of the control screw 903 and the push-pull frame 904 can be changed by rotating the control screw 903, so that the push-pull frame 904 is controlled to slide up and down in a central slideway of the central frame body 901, one ends of two push-pull rods 905 are driven to do lifting movement by the sliding of the push-pull frame 904, the other ends of the two push-pull rods 905 can drive two telescopic frames 906 to slide in opposite directions or slide away from each other in slideways at two ends of the transverse sliding groove frame 902, and when the two telescopic frames 906 slide, the two movable supporting rods 907 are driven to slide in opposite directions or slide away from each other, so that the range of a supporting bracket formed by the two movable supporting rods 907 and a plurality of transverse supporting tubes 909 side by side is changed, and objects to be carried with different sizes can be conveniently transported; and fixed a upset die-pin 908 through the swing arm on every activity die-pin 907, accessible two upset die-pin 908 carry out spacingly to treat the both ends of transport thing, prevent to wait to transport the in-process and fall, the flip angle of two upset die-pin 908 is adjustable, during the regulation, rotate the polygonal slide bar 912 and drive two worms 911 rotation, the spiral opposite direction of two worms 911, thereby can drive two worm wheel 910 and carry out the rotation of different spiral directions, the rotation of two worm wheel 910 carries out different spiral directions, thereby drive two upset die-pin 908 and upwards overturn in step, play the effect of stopping, perhaps when waiting to transport the thing to transport the lower extreme of this invention, two upset die-pin 908 upwards overturn in step, support on the bottom surface, play the effect of supporting, the function is practical, stability is strong.

Example five

As shown in fig. 1-10, each transverse supporting tube 909 is internally threaded and matched with one displacement screw 913, and the outer ends of the displacement screws 913 are fixed on the limiting frame 914; each transverse supporting tube 909 is fixed with a linkage wheel 915, and a plurality of linkage wheels 915 are in transmission connection through a linkage belt; a driven sprocket wheel is fixed on a transverse supporting tube 909, the driven sprocket wheel is connected with a driving sprocket wheel 916 through a chain, the driving sprocket wheel 916 is fixed on a wheel shaft, the wheel shaft rotates at the lower end of the transverse sliding groove rack 902, and a linkage gear 917 fixed on the wheel shaft is meshed with a linkage rack fixed at the bottom of a telescopic frame 906.

The working principle and beneficial effects of the technical scheme are as follows:

in the assembled rotary steel stair structure, when a telescopic rack 906 with a linked rack moves, a linked gear 917 on a gear shaft can be meshed with the linked rack to rotate, the linked gear 917 rotates to drive a driving chain wheel 916 to rotate, the driving chain wheel 916 rotates to drive a driven chain wheel to rotate through a chain, the driven chain wheel can drive a transverse supporting rack 909 connected with the driven chain wheel to rotate, and control a linkage wheel 915 on the transverse supporting rack 909 to rotate, and when the linkage wheel 915 rotates, the linkage wheel 915 drives a plurality of other linkage wheels 915 to synchronously rotate, so that the plurality of transverse supporting racks 909 synchronously rotate, and the contact positions of the plurality of transverse supporting racks 909 and a plurality of displacement screws 913 can be changed when the plurality of transverse supporting racks 909 rotate, so that the plurality of displacement screws 913 are controlled to drive a limiting rack 914 to move in a direction away from a central rack 901 or move in a direction close to the central rack 901, and when the telescopic rack 906 outwards moves, the plurality of displacement screws 913 drive the limiting rack 914 to move in a direction away from the central rack 901, and the whole area of a bracket assembly 9 is enlarged at this time, and large articles are convenient to be placed; conversely, when the telescopic bracket 906 slides inward of the traverse carriage 902, the synchronous control stopper 914 moves in a direction approaching the center frame 901, so that the entire volume of the expansion bracket assembly 9 is reduced.

An assembling method of an assembled rotary steel stair structure, which is applied to the assembling of the assembled rotary steel stair structure, comprises the following steps:

step one, moving the mounting base 3 to a preset mounting position and fixing the mounting base by bolts;

step two, connecting the lower end of the mounting upright post 2 in an internal threaded hole in the center of the top surface of the mounting base 3;

step three, sleeving the inner end of the rotary stair body 1 on the mounting upright post 2, and realizing the fixed connection of the rotary stair body 1 and the mounting upright post 2 through the cooperation of bolts and nuts;

step four, the outer handrail frame 4 is arranged at the outer end of the rotary stair body 1 through the matching of bolts and nuts, so that the outer handrail frame 4 and the rotary stair body 1 are fixed;

and fifthly, installing the rotary lifting mechanism 5 and the power mechanism 6 on the outer handrail frame 4 to complete the assembly of the assembled rotary steel stair structure.

The assembling method of the assembled rotary steel stair structure is used for assembling any one of the assembled rotary steel stair structures, is simple and easy to operate, and can realize rapid installation of the assembled rotary steel stair structure.

The specific model and/or structure of all the component parts, circuit modules and/or devices related to the present invention can be combined with technical guiding materials such as books, instruction manuals and the like related to technical common knowledge, theory principles and circuit design in the prior art by a person skilled in the art, and specific model selection and specific circuit structure design are performed according to practical application conditions, so that the corresponding component parts, circuit modules and/or component parts disclosed in the present invention can be implemented by the functions and effects of the related component parts, and the related component parts can be controlled by instructions of a computer program, which can be stored in a non-volatile computer readable storage medium, and when executed, the computer program can include the procedures of the embodiments of the methods described above, and the specific component part selection model and specific circuit structure are not repeated and exhausted by the specific implementation mode of the present invention.

All the methods related to the present invention can be understood by those skilled in the art to implement all or part of the methods in the foregoing embodiments, and those skilled in the art may combine technical instruction materials such as technical common knowledge in the art, theoretical principles, related design books, instruction manuals, etc. in the prior art, and perform specific operations according to practical application situations, so that specific embodiments of the present invention do not describe and exhaust specific method flows repeatedly.

In the description, each embodiment is described in a progressive manner, and each embodiment is mainly described by the differences from other embodiments, so that the same similar parts among the embodiments are mutually referred. It should be noted that it would be obvious to those skilled in the art that various improvements and modifications can be made to the present application without departing from the principles of the present application, and such improvements and modifications fall within the scope of the claims of the present application.

It should also be noted that in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Claims (10)

1. The assembled rotary steel stair structure is characterized by comprising a rotary stair body (1), wherein the inner end of the rotary stair body (1) is fixed on an installation upright post (2), and the installation upright post (2) is fixed on an installation base (3); the outer end of the rotary stair body (1) is fixed with an outer handrail frame (4); the outer handrail frame (4) is movably connected with a rotary lifting mechanism (5), the rotary lifting mechanism (5) is connected with a power mechanism (6) arranged on the outer handrail frame (4), and the rotary lifting mechanism (5) can perform spiral lifting motion along the outer handrail frame (4) under the driving of the power mechanism (6) so as to perform lifting motion on objects to be carried borne on the rotary lifting mechanism (5).

2. An assembled rotary steel stair structure according to claim 1, characterized in that the rotary stair body (1) comprises a plurality of pedals, the inner ends of which are spirally distributed and fixed on the mounting upright (2); the outer ends of the foot pedals are respectively fixed with a plurality of protective posts which are fixed at the lower end of the outer handrail frame (4) in an equidistant distribution manner.

3. An assembled rotary steel stairway structure according to claim 2, characterised in that the footrests, the guard posts and the mounting posts (2) are all of alloy steel.

4. An assembled rotary steel stair construction according to claim 2, wherein the footrests are bonded with rubber skid pads.

5. An assembled rotary steel stair structure according to claim 1, characterized in that the top surface of the outer handrail frame (4) is provided with an upper spiral guide groove, a middle spiral guide groove and a lower spiral guide groove which are communicated from top to bottom, and the width of the middle spiral guide groove is smaller than that of the lower spiral guide groove; the rotary lifting mechanism (5) comprises a traction rope (501), one end of the traction rope (501) is connected to the power mechanism (6), the middle part of the traction rope (501) is arranged in the lower spiral guide groove in a penetrating mode, the other end of the traction rope (501) is fixed on a spiral sliding block (502), and the spiral sliding block (502) slides in the upper spiral guide groove, the middle spiral guide groove and the lower spiral guide groove; a spiral slide seat (503) is fixed at the top of the spiral slide block (502), and the spiral slide seat (503) slides on the outer side surface of the outer handrail frame (4); one end of a hanging bracket component (8) is rotatably connected on a top column component (7) fixed on the spiral slide seat (503), and the other end of the hanging bracket component (8) is connected with a bracket component (9).

6. An assembled rotary steel stair structure according to claim 5, characterized in that the power mechanism (6) comprises a power motor arranged on the outer handrail frame (4), a winding and unwinding wheel is fixed on the output shaft of the power motor, and one end of a traction rope (501) is fixed on the winding and unwinding wheel so as to wind or unwind the traction rope (501).

7. The assembled rotary steel stair structure according to claim 5, wherein the jacking component (7) comprises a jacking body (701), the jacking body (701) is fixed on the spiral sliding seat (503), the jacking body (701) is rotatably connected with a regulating and controlling rotating wheel (702), a plurality of locking jacks are uniformly arranged on the regulating and controlling rotating wheel (702) in a surrounding mode, the upper end of the jacking body (701) is in threaded connection with a plug rod (703), and the lower end of the plug rod (703) can be plugged into any locking jack; the regulating rotating wheel (702) is connected with the hanging bracket assembly (8).

8. The assembled rotary steel stair structure according to claim 7, wherein the hanger assembly (8) comprises a transverse frame body (801), one end of the transverse frame body (801) is fixed on the regulating and controlling rotating wheel (702), the other end of the transverse frame body (801) is fixed with a vertical frame body (802), the vertical frame body (802) is rotationally connected with the middle part of a hanging connecting shaft (803), the outer end of the hanging connecting shaft (803) is fixedly connected with a bracket assembly (9), a rotary gear (804) is fixed at the inner end of the hanging connecting shaft (803), the upper end of the rotary gear (804) is meshed with a sliding rack (805), the middle part of the sliding rack (805) slides on a guide cross rod (806) through a transverse slideway, and two ends of the guide cross rod (806) are relatively fixed at two ends of the vertical frame body (802); two limiting sliding sleeves (807) are in sliding fit on the guide cross rod (806), each limiting sliding sleeve (807) is connected with a limiting rod in a threaded mode, a plurality of side-by-side limiting holes are uniformly formed in the guide cross rod (806), and the limiting rods are inserted into one limiting hole; two ends of the sliding rack (805) are respectively fixed with inner ends of a buffering pressure spring (808), and outer ends of the two buffering pressure springs (808) are fixedly connected with the two limiting sliding sleeves (807) one by one.

9. The assembled rotary steel stair structure according to claim 8, wherein the bracket assembly (9) comprises a central frame body (901), the upper end of the central frame body (901) is fixed at the outer end of the hanging connection shaft (803), the lower end of the central frame body (901) is fixed with a horizontal chute frame (902), a control screw (903) is rotatably connected in a central slideway of the central frame body (901), the middle part of the control screw (903) is in threaded connection with a push-pull frame (904) sliding in the central slideway, and the lower end of the control screw (903) is fixed with a control screwing wheel; two ends of the push-pull frame (904) are in one-to-one rotary connection with two push-pull rods (905), the other ends of the two push-pull rods (905) are in one-to-one rotary connection with two telescopic frames (906), the two telescopic frames (906) relatively slide in the slideways at two ends of the horizontal sliding groove frame (902), each telescopic frame (906) rotates with a movable supporting rod (907), and each movable supporting rod (907) is fixedly provided with a turnover supporting rod (908) through a swing arm; a plurality of side-by-side transverse supporting pipes (909) are rotatably connected to the transverse chute frame (902), and the axes of the transverse supporting pipes (909) are coplanar with the axes of the movable supporting rods (907); the inner end of each movable supporting rod (907) is fixed with a worm wheel (910), the two worm wheels (910) are meshed with the two worms (911) one by one, the two worms (911) rotate on the two telescopic brackets (906) through rod bases, the two worms (911) slide on two ends of the multi-edge sliding rod (912) through multi-edge sliding ways, and the middle part of the multi-edge sliding rod (912) rotates on the transverse sliding groove frame (902).

10. A method of assembling an assembled rotary steel stairway structure, applied to the assembly of an assembled rotary steel stairway structure according to any one of claims 1 to 9, characterised in that the method comprises the steps of:

step one, moving the mounting base (3) to a preset mounting position and fixing the mounting base by bolts;

step two, connecting the lower end of the mounting upright post (2) in an internal threaded hole in the center of the top surface of the mounting base (3);

step three, sleeving the inner end of the rotary stair body (1) on the mounting upright post (2), and realizing the fixed connection of the rotary stair body (1) and the mounting upright post (2) through the cooperation of bolts and nuts;

step four, the outer handrail frame (4) is arranged at the outer end of the rotary stair body (1) through the matching of bolts and nuts, so that the outer handrail frame (4) and the rotary stair body (1) are fixed;

and fifthly, installing the rotary lifting mechanism (5) and the power mechanism (6) on the outer handrail frame (4) to complete the assembly of the assembled rotary steel stair structure.