CN214246758U - Tool type stair for engineering construction turnover - Google Patents

Abstract

The utility model discloses an instrument formula stair that engineering construction turnover was used relates to engineering construction equipment technical field, including stair main part and last main part, the stair main part includes first stair, second stair, goes up main part and lower main part, the outside fixedly connected with protection guardrail of going up the main part, the internally mounted of protection guardrail has cross distribution's protection network, the utility model discloses beneficial increase: the utility model has high turnover rate of tool type stairs, can be used in turnover among all engineering units, and even in turnover among different engineering units; the safety and reliability of the installation process, the dismantling process and the daily use of tools are ensured, the potential safety hazards of falling objects at high altitude, potential safety hazards of overhead edge-facing operation, potential safety hazards of elevator shaft protection loss, potential safety hazards of the integrity and poor stability of the outer scaffold and the like generated by building temporary up-down passing scaffold stairs on the stairwell and the outer scaffold are thoroughly avoided, and the cost of edge-facing protection and the cost of erecting and dismantling the frame body are greatly saved.

Description

Tool type stair for engineering construction turnover

Technical Field

The utility model relates to an engineering construction equipment technical field specifically is an instrument formula stair that engineering construction turnover was used.

Background

At present, in the construction process of assembly type building engineering, especially in the assembly type building with prefabricated stairs, the hoisting construction of the prefabricated stairs is required to be delayed from the construction of a main body structure due to the requirements of processes and working procedures, and the installation is delayed by 2 layers compared with the main body structure most commonly, because the construction efficiency of one-layer construction delay is low, the delay of the installation of multiple layers or even dozens of layers brings about great potential safety hazards and the increase of the edge protection cost. The current problem of upper and lower floor that the main part structure stair installation construction postponed to bring personnel than the main part structure construction, common solution includes at the stairwell, the elevartor shaft, set up interim upper and lower current scaffold stair on the outer scaffold, it is high to all have to set up including the support body and demolish and lease the expense, the support body is set up and is torn open the engineering time long, there is the high altitude and falls thing hidden danger, wherein the elevartor shaft sets up the support body and can destroy the interlayer protection of elevartor shaft, and set up interim upper and lower current scaffold stair on the outer scaffold and will destroy outer scaffold's wholeness and stability, form the potential safety hazard. Therefore, a tool type stair for engineering construction turnover needs to be designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an instrument formula stair that engineering construction turnover was used to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a tool type stair for engineering construction turnover comprises a stair main body and an upper main body, wherein the stair main body comprises a first stair, a second stair, an upper main body and a lower main body, the outer side of the upper main body is fixedly connected with a protective guardrail, a protective net which is distributed in a crossed manner is installed inside the protective guardrail, the bottom of the upper main body is fixedly connected with three thick figured steel plate surface layers, the bottoms of the three thick figured steel plate surface layers are fixedly connected with a first main frame upper cross rod, the bottom of the first main frame upper cross rod is fixedly connected with a top access platform pedal, the bottom of the top access platform pedal is fixedly connected with a second main frame upper cross rod, two sides of the bottom of the upper main body are fixedly connected with first installation blocks, the insides of the first installation blocks are respectively and slidably connected with a main frame movable upper cross rod, and T-shaped limiting rod insertion holes are formed inside the first installation blocks, the utility model discloses a platform footboard, including T type gag lever post jack, first installation piece, bottom fixedly connected with second main frame sheer pole, the equal sliding connection in inside of T type gag lever post jack has T type gag lever post, the inside sliding connection of first installation piece has a style of calligraphy gag lever post, the outside fixedly connected with isostructure's of lower main part protection guardrail, the internally mounted of protection guardrail has cross distribution and isostructure's protection network, the bottom fixedly connected with second main frame sheer pole of lower main frame sheer pole, the bottom fixedly connected with first main frame sheer pole of platform footboard is come in and go out to the bottom, the equal fixedly connected with second installation piece in bottom both sides of lower main part, the equal sliding connection in inside of second installation piece has main frame activity sheer pole, go up the symmetrical main frame pole setting of equal fixedly connected with between main part and the lower main part.

Preferably, the first stair comprises retractable stair treads and retractable stair movable handrail fences, symmetrical retractable stair movable handrail fences are fixedly mounted on two sides of the first stair, two retractable stair treads are fixedly connected between the retractable stair movable handrail fences and evenly distributed, retractable stair frame upper inclined rods are fixedly connected to the bottoms of the retractable stair movable handrail fences, and retractable stair frame lower inclined rods are fixedly connected to the bottoms of the retractable stair frame upper inclined rods.

Preferably, the second stair comprises a fixed stair frame diagonal rod and fixed stair handrail handrails, symmetrical fixed stair handrail handrails are fixedly mounted on two sides of the second stair, the two fixed stair handrail handrails are fixedly connected with fixed stair steps which are uniformly distributed, and the fixed stair frame diagonal rod is fixedly connected to the bottoms of the fixed stair handrail handrails.

Preferably, the linear limiting rod and the T-shaped limiting rod are in vertical distribution structures.

Preferably, lifting rings with the same structure are fixedly connected to two sides of the upper main body.

Preferably, the T-shaped limiting rod jacks with the same structure are formed in the second mounting block, the T-shaped limiting rods are connected to the T-shaped limiting rod jacks in a sliding mode, and the linear limiting rods are connected to the second mounting block in a sliding mode.

Preferably, the lower main body is fixedly connected with two lower inclined rod limiting sleeves, a limiting sleeve connecting pipe is fixedly connected between the lower inclined rod limiting sleeves, and a connecting pipe limiting sleeve is fixedly connected to the outer side of the limiting sleeve connecting pipe.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has high turnover rate of tool type stairs, can be used in turnover among all engineering units, and even in turnover among different engineering units; this instrument is installed and removed simply, only need 4 installer can accomplish the installation in 10 minutes or demolish work, the engineering time has been practiced thrift, personnel's input has been reduced, construction cost is reduced, this instrument safe and reliable, the installation has been ensured, demolish process and the daily safe and reliable that uses of instrument, thoroughly stopped setting up the falling object hidden danger in the high altitude that temporary up-and-down current scaffold stair produced on the scaffold, the elevartor shaft, the outer scaffold, the limit operation hidden danger is faced in the high altitude, elevator shaft protection disappearance hidden danger, outer scaffold's wholeness and stability series potential safety hazards such as poor, this instrument only need once only make the back alright turnover use that targets in place, need not other input, personnel's input has been reduced, and leave out a large amount of expenses of facing limit protection and support body setting up demolition.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is an enlarged view of the first stair of the structure of the present invention;

fig. 3 is an enlarged view of the second stair of the present invention.

In the figure: 1. a stair body; 2. a first staircase; 3. a second staircase; 4. the stair steps can be retracted; 5. the movable handrail fence of the staircase can be retracted; 6. the upper diagonal rods of the stair frame can be retracted; 7. the lower diagonal rod of the stair frame can be retracted; 8. fixing a stair frame diagonal rod; 9. fixing a stair handrail; 10. fixing the stair steps; 11. protecting the guard rail; 12. a protective net; 13. a main frame upright stanchion; 14. a first main frame upper cross bar; 15. the main frame is movably provided with an upper cross rod; 16. three-thick pattern steel plate surface layer; 17. a top access platform deck; 18. a second main frame upper cross bar; 19. lifting a lifting ring; 20. a T-shaped limiting rod jack; 21. a T-shaped limiting rod; 22. a first main frame bottom rail; 23. a linear limit rod; 24. a lower inclined rod limiting sleeve; 25. a second main frame bottom cross bar; 26. a main frame movable lower cross bar; 27. a connecting pipe limiting sleeve; 28. a bottom access platform pedal; 29. a limiting sleeve connecting pipe; 30. an upper body; 31. a lower body.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution: a tool type stair for engineering construction turnover comprises a stair main body 1 and an upper main body 30, wherein the stair main body 1 comprises a first stair 2, a second stair 3, the upper main body 30 and a lower main body 31, the outer side of the upper main body 30 is fixedly connected with a protective guardrail 11, a protective net 12 which is distributed in a crossed manner is installed inside the protective guardrail 11, the bottom of the upper main body 30 is fixedly connected with a three-thick-pattern steel plate surface layer 16, the bottom of the three-thick-pattern steel plate surface layer 16 is fixedly connected with a first main frame upper cross rod 14, the bottom of the first main frame upper cross rod 14 is fixedly connected with a top access platform pedal 17, the cooperation use is realized, the bottom of the top access platform pedal 17 is fixedly connected with a second main frame upper cross rod 18, both sides of the bottom of the upper main body 30 are fixedly connected with first installation blocks, the inside of the first installation blocks is slidably connected with a main frame movable upper cross rod 15, and T-shaped limit rod jacks 20 are formed in the first installation blocks, the fixing property is improved, the inside equal sliding connection of the T-shaped limiting rod jack 20 is provided with the T-shaped limiting rod 21, the inside sliding connection of the first installation block is provided with the linear limiting rod 23, the outside fixedly connected with protective guard 11 with the same structure of the lower main body 31 is provided with the protective guard 12 with the same structure in a cross distribution mode, the bottom fixedly connected with second main frame lower cross rod 25 of the lower main body 31 is provided with the platform pedal 28 in and out at the bottom fixedly connected with bottom of the second main frame lower cross rod 25, the whole normal operation is realized, the bottom fixedly connected with first main frame lower cross rod 22 of the platform pedal 28 in and out at the bottom, the bottom both sides equal fixedly connected with second installation blocks of the lower main body 31 are provided with the main frame movable lower cross rod 26 in and out at the bottom of the second installation block, and the whole stability is realized by the main frame upright rods 13 which are fixedly connected with symmetry between the upper main body 30 and the lower main body 31.

Further, first stair 2 includes that retractable stair 4 and retractable stair activity handrail fence 5 mark time, the both sides fixed mounting of first stair 2 has symmetrical retractable stair activity handrail fence 5, fixedly connected with evenly distributed's retractable stair 4 mark time between two retractable stair activity handrail fences 5, the equal fixedly connected with retractable stair frame of the bottom of retractable stair activity handrail fence 5 goes up down tube 6, the equal fixedly connected with retractable stair frame down tube 7 in the bottom of retractable stair frame goes up tube 6, normal operating has been realized.

Further, second stair 3 includes fixed stair frame down tube 8 and fixed stair railing 9, and the both sides fixed mounting of second stair 3 has symmetrical fixed stair railing 9, and fixedly connected with evenly distributed's fixed stair step 10 between two fixed stair railing 9, and the equal fixedly connected with fixed stair frame down tube 8 in bottom of fixed stair railing 9 has realized normal operating.

Furthermore, the straight limiting rod 23 and the T-shaped limiting rod 21 are both in a vertical distribution structure, so that the effect of normally fixing is realized.

Furthermore, the hoisting rings 19 with the same structure are fixedly connected to two sides of the upper main body 30, so that the crane can be conveniently operated and moved.

Further, the T-shaped limiting rod jacks 20 of the same structure are formed in the second mounting block, the T-shaped limiting rods 21 are connected to the T-shaped limiting rod jacks 20 in a sliding mode, the linear limiting rods 23 are connected to the second mounting block in a sliding mode, and fixing is achieved.

Further, the two lower inclined rod limiting sleeves 24 are fixedly connected to the inner portion of the lower main body 31, a limiting sleeve connecting pipe 29 is fixedly connected between the two lower inclined rod limiting sleeves 24, and a connecting pipe limiting sleeve 27 is fixedly connected to the outer side of the limiting sleeve connecting pipe 29, so that the whole normal operation is realized.

Specifically, use the utility model discloses the time: the customized size of the tool type stair is determined according to the floor height of a specific project and the size of a well, and in order not to influence the template project construction of the well and the hoisting of the tool type stair, the outer frame of the tool type stair and the main structure of the well are kept to have clearance of more than 400 mm. When the tool type stair is used and installed, 1 person is respectively matched at two ends of a shaft way in the long direction of a floor (a plate surface elevation N) and a floor (a plate surface elevation N + H), namely two ends of the tool type stair in the L direction, and 4 installation persons assist the tool type stair in installation. Firstly, after a tower crane or a crane lifts the tool type stair to a height to be installed and a designated position from a placement site of the tool type stair through a steel wire rope and 4 (phi 8) lifting rings 19 at the top of the tool type stair, an installer firstly takes out 8T-shaped limiting rods 21 (phi 10 steel bars, length 170/30) from T-shaped limiting rod jacks 20 (aperture 14) on a first main frame upper cross rod 14, a first main frame upper cross rod 18, a main frame movable upper cross rod 15, a first main frame lower cross rod 22, a second main frame lower cross rod 25 and a main frame movable lower cross rod 26; then, an installer respectively extracts 4 main frame movable upper cross bars 15 (with the length of L/2,80 × 80 square steel pipes and the wall thickness of 3) and 4 main frame movable lower cross bars 26 (with the length of L/2,80 × 80 square steel pipes and the wall thickness of 3) outwards for 0.5m through the linear limiting rods 23 (phi 10 steel bars and the length of 300), so that the main frame movable upper cross bars 15 and the main frame movable lower cross bars 26 are aligned with the T-shaped limiting rod jacks 20 (phi 14, the depth of 100mm and the need of structurally lofting and hole taking in advance before installation) and then inserted into the 8T-shaped limiting rods 21 to be anchored in place; then, the installer (2 each at panel level N and panel level N-H) cooperates with the retractable stair frame down tube 7 (30 outside diameter round steel tube, wall thickness 2) and the retractable stair swing joint: the retractable stair is fixed to the first main frame lower cross bar 22 in a welding mode, the retractable stair is slowly lowered from the position of the plate surface elevation N to be connected to the position of the plate surface elevation N-H and fixed in place, and the retractable stair movable handrail 5 is pulled up and unfolded downwards to the movable handrail limiting plate (10 thick iron sheet, 100 x 50); finally, after the top access platform pedal 17 (which can be turned 180 degrees and has phi 10 steel bars and 3 thick pattern steel plate surface layers) and the bottom access platform pedal 28 (which can be turned 180 degrees and has phi 10 steel bars and 3 thick pattern steel plate surface layers) are respectively turned 180 degrees to be opened to the main structure position, the tool type stair is installed and can be normally used.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" 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, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides an instrument formula stair that engineering construction turnover was used, includes stair main part (1) and last main part (30), its characterized in that: the stair body (1) comprises a first stair (2), a second stair (3), an upper body (30) and a lower body (31), a protective guardrail (11) is fixedly connected to the outer side of the upper body (30), a protective net (12) which is distributed in a cross mode is installed inside the protective guardrail (11), three thick figured steel plate surface layers (16) are fixedly connected to the bottom of the upper body (30), a first main frame upper cross rod (14) is fixedly connected to the bottom of each three thick figured steel plate surface layer (16), a top access platform pedal (17) is fixedly connected to the bottom of each first main frame upper cross rod (14), a second main frame upper cross rod (18) is fixedly connected to the bottom of each top access platform pedal (17), first installation blocks are fixedly connected to two sides of the bottom of the upper body (30), and main frame movable upper cross rods (15) are slidably connected to the inside of each first installation block, the T-shaped limiting rod inserting holes (20) are formed in the first installing blocks, the T-shaped limiting rods (21) are connected to the T-shaped limiting rod inserting holes (20) in a sliding mode, the linear limiting rods (23) are connected to the first installing blocks in a sliding mode, the protection guardrails (11) with the same structure are fixedly connected to the outer sides of the lower main bodies (31), the protection guardrails (12) which are distributed in a crossed mode and have the same structure are installed in the protection guardrails (11), the bottom of the lower main bodies (31) is fixedly connected with second main frame lower cross rods (25), the bottom of the second main frame lower cross rods (25) is fixedly connected with bottom in-out platform pedals (28), the bottom of the bottom in-out platform pedals (28) is fixedly connected with first main frame lower cross rods (22), and second installing blocks are fixedly connected to the two sides of the bottom of the lower main bodies (31), the inside of second installation piece all sliding connection has main frame activity sheer pole (26), equal fixedly connected with symmetrical main frame pole setting (13) between upper main body (30) and lower main body (31).

2. The tool type stair for engineering construction turnover according to claim 1, wherein: first stair (2) are including retractable stair step (4) and retractable stair activity handrail fence (5), the both sides fixed mounting of first stair (2) has symmetrical retractable stair activity handrail fence (5), two retractable stair step (4) of fixedly connected with evenly distributed between retractable stair activity handrail fence (5), the equal fixedly connected with retractable stair frame of bottom of retractable stair activity handrail fence (5) goes up down diagonal (6) of retractable stair frame go up diagonal (6).

3. The tool type stair for engineering construction turnover according to claim 1, wherein: second stair (3) are including fixed stair frame down tube (8) and fixed stair railing handrail (9), the both sides fixed mounting of second stair (3) has symmetrical fixed stair railing handrail (9), two fixedly connected with evenly distributed's fixed stair step (10) between fixed stair railing (9), the equal fixedly connected with fixed stair frame down tube (8) in bottom of fixed stair railing (9).

4. The tool type stair for engineering construction turnover according to claim 1, wherein: the linear limiting rod (23) and the T-shaped limiting rod (21) are in vertical distribution structures.

5. The tool type stair for engineering construction turnover according to claim 1, wherein: lifting rings (19) with the same structure are fixedly connected to the two sides of the upper main body (30).

6. The tool type stair for engineering construction turnover according to claim 1, wherein: t type gag lever post jack (20) of looks isostructure are all seted up to the inside of second installation piece, the equal sliding connection in inside of T type gag lever post jack (20) has T type gag lever post (21), the inside sliding connection of second installation piece has a style of calligraphy gag lever post (23).

7. The tool type stair for engineering construction turnover according to claim 1, wherein: two lower inclined rod limiting sleeves (24) are fixedly connected to the inner portion of the lower main body (31), two lower inclined rod limiting sleeves (24) are fixedly connected with limiting sleeve connecting pipes (29), and connecting pipe limiting sleeves (27) are fixedly connected to the outer sides of the limiting sleeve connecting pipes (29).

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