CN215484911U - Temporary movable stair for assembly type building operation layer - Google Patents

Abstract

The utility model relates to the technical field of building construction tools, and discloses a temporary movable stair for an assembly type building operation layer, which is used for connecting a cast-in-place platform and a floor platform and comprises two oblique beams, a pedal assembly, at least four telescopic support frames and two handrails; two ends of the oblique beam are respectively erected on the cast-in-place platform and the floor platform; the pedal assembly is positioned between the two oblique beams and comprises a first pedal, a plurality of second pedals and a third pedal, the first pedal and the third pedal are detachably connected with the two ends of the oblique beams respectively, the second pedals are positioned between the first pedal and the third pedal, the second pedals are distributed along the length direction of the oblique beams, and the two sides of each second pedal are detachably connected with the oblique beams; the top of the telescopic support frame is detachably connected with the bottom of the oblique beam, and the bottom of the telescopic support frame is abutted against the step surface of the prefabricated staircase; the handrail is detachably arranged on the oblique beam. The movable stair can be detached, most parts forming the temporary movable stair can be recycled, and production cost is saved.

Description

Temporary movable stair for assembly type building operation layer

Technical Field

The utility model relates to the technical field of building construction tools, in particular to a temporary movable stair for an assembly type building operation layer.

Background

In the assembly type building construction, the assembly type building adopts prefabricated stairs, and the prefabricated stairs generally need to be hoisted after the floor concrete strength of the embedded bolts of the operation layer reaches 75%, so before the prefabricated stairs are hoisted, the staircase cavity of the operation layer has no protective measures, on one hand, the prefabricated stairs are very unsafe, the possibility that workers fall down from the staircase of the operation layer exists, on the other hand, the workers cannot go to the operation layer, and the construction is not convenient. Therefore, a temporary staircase is erected before the prefabricated staircase is hoisted, so that a worker can move up and down.

The existing temporary stairway is formed by welding steel pipes, is hoisted to a stairwell of an operation layer by a tower crane, and is erected between a cast-in-place platform and a floor platform so as to facilitate the up-and-down movement of workers. And steel pipe welded's interim stair can't be dismantled into each part, and the back is accomplished in the construction, can't be used for assembling into the interim stair of new size, adorns in other not unidimensional staircases, unable reuse, original interim stair can only abandon, leads to construction cost higher.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The temporary mobile stair for the assembly type building operation layer can be disassembled, most parts forming the temporary mobile stair can be recycled, and after construction is completed, the temporary mobile stair can be assembled into a new-size temporary stair and installed in staircases of other different sizes, so that the production cost is saved.

(II) technical scheme

In order to solve the technical problems, the utility model provides the following technical scheme: a temporary mobile stair for an assembly type building operation layer is used for connecting a cast-in-place platform and a floor platform and comprises two inclined beams, a pedal assembly, at least four telescopic support frames and two handrails.

Two ends of the oblique beam are respectively erected on the cast-in-place platform and the floor platform;

the pedal assembly is positioned between the two oblique beams and comprises a first pedal, a plurality of second pedals and a third pedal, the first pedal and the third pedal are respectively detachably connected with two ends of the oblique beams, the second pedals are positioned between the first pedal and the third pedal, the second pedals are distributed along the length direction of the oblique beams, and two sides of each second pedal are detachably connected with the oblique beams;

the top of the telescopic support frame is detachably connected with the bottom of the oblique beam, and the bottom of the telescopic support frame is abutted against the step surface of the prefabricated staircase;

the handrail is detachably arranged on the oblique beam.

Further, a plurality of lifting rings for lifting are detachably arranged on the oblique beam.

So set up, adopt the tower crane to connect rings, can be with the whole direct handling of the good interim removal stair of installation to the stairwell on operation layer, when needs installation prefabricated stair, can also directly go out the whole handling of interim removal stair, arrange the sky in on the ground, need not to dismantle to use when constructing next operation layer next time, it is very convenient.

Further setting, aforementioned rings bottom is equipped with the threaded rod, and threaded rod threaded connection is on the sloping.

So set up, rings can dismantle through the threaded rod and locate on the sloping, easy dismounting can used repeatedly.

Further setting up, aforementioned telescopic bracket includes telescopic link and installation pipe, and the telescopic link top cup joints with the installation pipe, and installation pipe top is equipped with the inclined plane parallel with sloping length direction, and is equipped with on the inclined plane of installation pipe to be used for dismantling the connecting plate of being connected with the sloping.

So set up, the telescopic link can be dismantled with the sloping through the installation pipe and be connected, and the construction is accomplished the back, and the telescopic link can assemble on the sloping of other gradients, only need change the installation pipe on corresponding inclined plane can, so, the telescopic link can reuse, practices thrift the cost.

Further setting, aforementioned handrail includes two risers, two return bends and a connecting pipe, and the riser bottom can be dismantled and locate on the sloping, and two risers are located the sloping both ends respectively, and return bend one end is pegged graft with the riser top, and the other end is buckled and can be dismantled with connecting pipe one end along the length direction of sloping and be connected.

So set up, can dismantle between riser, return bend and the connecting pipe and be connected, easy dismounting can used repeatedly.

Further, a reinforcing pipe is detachably arranged between the two stand pipes.

So set up, the reinforced pipe is used for strengthening the structural strength of handrail.

Further, a threaded hole for spirally inserting the bottom of the vertical pipe is formed in the oblique beam.

So set up, riser bottom and sloping thread fixed connection, easy dismounting can used repeatedly.

Further, the second pedals are L-shaped, the bottom ends of the second pedals abut against the top ends of the adjacent second pedals to form a pedal main body, the bottom ends of the pedal main body abut against the first pedals, and the bottom ends of the third pedals abut against the top ends of the pedal main body.

So set up, can strengthen the structural strength of footboard subassembly, can also avoid workman's foot to slide in between first footboard, second footboard and the third footboard, improve the security of removing the stair temporarily.

Further setting up, the top of aforementioned first footboard and second footboard all is equipped with spacing hole, and the bottom of second footboard and third footboard all is equipped with the spacing convex part with jack clearance fit.

So set up, through inserting spacing convex part spacing downthehole, can confirm the relative position between first footboard, second footboard and the third footboard fast, easy to assemble.

The second pedal is also provided with a reinforcing plate, and the reinforcing plate and the second pedal form a triangular structure.

So set up, can strengthen the structural strength of footboard main part to strengthen the structural strength who removes the stair temporarily.

(III) advantageous effects

Compared with the prior art, the temporary mobile stair for the assembly type building operation layer provided by the utility model has the following beneficial effects:

1. first footboard, second footboard and third footboard all can be dismantled with the sloping and be connected, then the construction is accomplished the back, and first footboard, second footboard and third footboard all can be used to assemble into the interim stair of new size, adorn in the stairwell of other not unidimensional, have practiced thrift manufacturing cost, and the footboard subassembly that the second footboard of different quantity was assembled can be applicable to the stairwell of different floor height.

2. The handrail can be detachably arranged on the oblique beam, and can be installed on other temporary stairs after construction is completed, so that the handrail can be repeatedly used, and the production cost is saved.

3. The telescopic support frame is detachably connected with the oblique beam, and after construction is completed, the telescopic support frame can be installed on other temporary stairs, so that the telescopic support frame can be repeatedly used, and the production cost is saved.

Therefore, the inclined beam, the handrail, the pedal assembly and the telescopic support frame can be detached and can be reused, and after construction is completed, the inclined beam, the pedal assembly and the telescopic support frame can be assembled on inclined beams of other sizes to form a temporary stair of a new size and can be assembled in staircases of other different sizes, so that the production cost is greatly saved.

Drawings

FIG. 1 is a schematic view of the construction of the present invention on a cast-in-place platform and a floor platform;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a left side view of the present invention;

fig. 4 is a structural sectional view of the pedal assembly.

Reference numerals: 1. an oblique beam; 11. a hoisting ring; 111. a threaded rod; 12. a threaded hole; 2. a pedal assembly; 21. a first pedal; 22. a second pedal; 221. a reinforcing plate; 222. screwing the convex part; 23. a third pedal; 24. a pedal body; 25. a limiting hole; 26. a limiting convex part; 27. a connecting projection; 28. connecting holes; 29. turning over a plate; 3. a telescopic support frame; 31. a telescopic rod; 32. installing a pipe; 321. an inclined surface; 322. a connecting plate; 33. connecting the inclined rod; 331. a fixed seat; 34. connecting the cross bars; 4. a handrail; 41. a riser; 42. bending the pipe; 43. a connecting pipe; 44. a reinforcement tube; 45. a support bar; 451. a telescopic part; 452. a support portion; 4521. an arc-shaped plate; 100. a platform is cast in place; 200. a floor platform; 300. and (6) prefabricating the stairs.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, wherein fig. 1 is a schematic structural view of the present invention mounted on a cast-in-place platform and a floor platform; FIG. 2 is a schematic structural view of the present invention; FIG. 3 is a left side view of the present invention; fig. 4 is a structural sectional view of the pedal assembly.

The temporary mobile stair is used for connecting a cast-in-place platform 100 and a floor platform 200, so that a worker can go up to the operation layer through the temporary mobile stair to carry out construction.

Temporary mobile stair include two sloping 1, footboard subassembly 2, four telescopic frame 3 and two handrail 4, and 1 both ends of sloping are put up respectively on cast-in-place platform 100 and floor platform 200 to with temporary mobile stair frame on cast-in-place platform 100 and floor platform 200, and then communicate operation layer and floor platform 200, so, the workman can pass through temporary mobile stair and reciprocate between operation layer and floor platform 200 and move, convenient construction.

The pedal assembly 2 is located between the two oblique beams 1, the pedal assembly 2 comprises a first pedal 21, a plurality of second pedals 22 and a third pedal 23, the first pedal 21 and the third pedal 23 are respectively detachably connected with two ends of the oblique beams 1, the second pedal 22 is located between the first pedal 21 and the third pedal 23, the second pedals 22 are distributed along the length direction of the oblique beams 1, and two sides of the second pedal 22 are detachably connected with the oblique beams 1. So, first footboard 21, second footboard 22 and third footboard 23 all can be dismantled with sloping 1 and be connected, then the construction is accomplished the back, and first footboard 21, second footboard 22 and third footboard 23 all can be used for assembling into the interim stair of new size, adorns in the stairwell of other different sizes, has practiced thrift manufacturing cost, and the footboard subassembly 2 that the second footboard 22 of different quantity was assembled can be applicable to the stairwell of different floor height.

The top of telescopic support frame 3 can be dismantled with 1 bottom of sloping and be connected, and the bottom top is supported on the step face of prefabricated stair 300, and telescopic support frame 3 is used for supporting sloping 1 to improve the overall structure intensity of temporary mobile stair.

Handrail 4 demountable installation is on sloping 1, makes things convenient for the gripping, avoids personnel to drop from interim removal stair both sides simultaneously, ensures the safety in utilization of interim removal stair.

Therefore, the inclined beam 1, the handrail 4, the pedal assembly 2 and the telescopic support frame 3 can be detached, the handrail 4, the pedal assembly 2 and the telescopic support frame 3 can be recycled, and after construction is completed, the inclined beam can be assembled on inclined beams 1 of other sizes to form a new-size temporary stair and can be assembled in staircases of other different sizes, and production cost is greatly saved.

The whole steel that adopts of interim removal stair is made, ensures the overall structure intensity of interim removal stair, and can dismantle the connection between each spare part, easy dismounting can reuse, has practiced thrift manufacturing cost.

Four hoisting rings 11 used for hoisting are detachably mounted on the oblique beam 1, so that the tower crane can be conveniently hoisted. So, adopt the tower crane to connect rings 11, can be with the whole direct handling of the good interim removal stair of installation to the stairwell on operation layer, when needs installation prefabricated stair 300, can also directly go out the whole handling of interim removal stair, place in on the air, need not to dismantle to use when constructing next operation layer next time, it is very convenient.

A threaded rod 111 is welded at the bottom of the hanging ring 11, and the threaded rod 111 is in threaded connection with the oblique beam 1. Like this, rings 11 pass through threaded rod 111 demountable installation on sloping 1, easy dismounting can used repeatedly.

Telescopic support frame 3 includes telescopic link 31 and installation pipe 32, and telescopic link 31 top cup joints with installation pipe 32, and installation pipe 32 top has the inclined plane 321 parallel with 1 length direction of sloping, and welds the connecting plate 322 that is used for dismantling the connection with sloping 1 on the inclined plane 321 of installation pipe 32, and connecting plate 322 adopts bolt fixed connection with sloping 1. So, telescopic link 31 can be dismantled with sloping 1 through installation pipe 32 and be connected, and the construction is accomplished the back, and telescopic link 31 can assemble on the sloping 1 of other gradients, only need change corresponding inclined plane 321 the installation pipe 32 can, so, telescopic link 31 can reuse, practices thrift the cost.

The length of the telescopic rod 31 is adjusted by adopting the existing step adjustment mode.

The junction of telescopic link 31 and installation pipe 32 adopts bolt fixed connection, avoids the disconnection of telescopic link 31 and installation pipe 32, leads to telescopic support frame 3 to disintegrate, can't use.

The telescopic support frame 3 further comprises a connecting inclined rod 33, both ends of the connecting inclined rod 33 are hinged with fixing seats 331, the fixing seats 331 at one end of the connecting inclined rod 33 are fixed on the telescopic rod 31 through bolts, and the fixing seats 331 at the other end of the connecting inclined rod 33 are fixed on the inclined beam 1 through bolts. So, connect down tube 33, telescopic link 31 and sloping 1 and form triangular support structure, further strengthened the overall structure intensity of interim removal stair.

Telescopic support frame 3 is still including connecting horizontal pole 34, connects horizontal pole 34 both ends and adopts bolt fixed connection with two telescopic links 31 with one side respectively, has further strengthened telescopic support frame 3's structural strength to the overall structure intensity of interim removal stair has been strengthened.

The handrail 4 comprises two vertical pipes 41, two bent pipes 42 and a connecting pipe 43, the bottoms of the vertical pipes 41 are detachably arranged on the oblique beam 1, the two vertical pipes 41 are respectively positioned at two ends of the oblique beam 1, one end of each bent pipe 42 is connected with the top end of the corresponding vertical pipe 41 in an inserting mode, and the other end of each bent pipe is bent along the length direction of the oblique beam 1 and is detachably connected with one end of the corresponding connecting pipe 43 through threads. Therefore, the stand pipe 41, the bent pipe 42 and the connecting pipe 43 can be detachably connected, and the detachable connection structure is convenient to disassemble and assemble and can be used repeatedly.

The connection position of the elbow 42 and the vertical pipe 41 is fixedly connected by bolts, so that the disconnection between the elbow 42 and the vertical pipe 41 is avoided, and the handrail 4 is disassembled and cannot be used.

A reinforcing pipe 44 is detachably mounted between the two vertical pipes 41 by bolts for reinforcing the structural strength of the handrail 4.

The handrail 4 further comprises two support rods 45, one end of each support rod 45 is detachably mounted on the oblique beam 1, and the other end of each support rod 45 abuts against the connecting pipe 43 to support the connecting pipe 43, so that the structural strength of the handrail 4 is enhanced.

The support rod 45 includes an expansion part 451 and a support part 452, the expansion part 451 is fixed to the inclined beam 1 by a screw, and an expansion end of the expansion part 451 extends toward the connection pipe 43 and is fixedly connected to the support part 451 by a bolt. In this way, the manual telescopic part 451 brings the support part 452 into contact with the connection pipe 43, and provides a support force to the connection pipe 43.

The length of the expansion part 451 is adjusted by a conventional step adjustment method.

Have welded arc 4521 on supporting portion 452, so, arc 4521 can increase the butt area of supporting portion 452 and connecting pipe 43, can also avoid the disconnection of supporting portion 452 and connecting pipe 43.

The inclined beam 1 is provided with a threaded hole 12 for the bottom of the vertical pipe 41 to be inserted in a spiral mode, and therefore the bottom of the vertical pipe 41 is fixedly connected with the inclined beam 1 through threads, the dismounting is convenient, and the reuse can be achieved.

The second pedal 22 is L-shaped, the bottom end of the second pedal 22 abuts against the top end of the adjacent second pedal 22 to form a pedal main body 24, the bottom end of the pedal main body 24 abuts against the first pedal 21, and the bottom end of the third pedal 23 abuts against the top end of the pedal main body 24. Thus, the structural strength of the step assembly 2 can be enhanced, and the feet of a worker can be prevented from slipping between the first step 21, the second step 22 and the third step 23, thereby improving the safety of temporarily moving the stairs.

The bolt joint convex parts 222 are welded on both sides of the bottom end and the top end of the second pedal 22, and the bolt joint convex parts 222 penetrate through the oblique beam 1 and are fastened on the oblique beam 1 by adopting nuts, so that the second pedal 22 and the oblique beam 1 are fixedly connected.

Spacing hole 25 has all been opened on the top of first footboard 21 and second footboard 22, and the bottom of second footboard 22 and third footboard 23 all has the spacing convex part 26 with jack clearance fit, so, through inserting spacing convex part 26 in the spacing hole 25, can confirm the relative position between first footboard 21, second footboard 22 and the third footboard 23 fast, easy to assemble.

The first pedal 21 and the third pedal 23 are provided with connecting convex parts 27 on the sides far away from the second pedal 22, and the connecting convex parts 27 are provided with connecting holes 28 for connecting the oblique beams 1. In this way, the first step 21 and the sloping beam 1, and the third step 23 and the sloping beam 1 are fixedly connected by bolts passing through the connection holes 28 and being screwed to the sloping beam 1.

The second tread 22 is welded with a reinforcing plate 221, and the reinforcing plate 221 and the second tread 22 form a triangular structure, so that the structural strength of the tread main body 24 can be enhanced, and the structural strength of the temporary movable stair is enhanced.

When the temporary stair frame is on cast-in-place platform 100 and floor platform 200, for the convenience of hoisting, there is the space between first footboard 21 and third footboard 23 and cast-in-place platform 100 or floor platform 200, and the workman is when using temporary stair, and the foot may block in the space, has the potential safety hazard. The top of the first pedal 21 and the third pedal 23 are hinged with a turning plate 29, and the turning plate 29 is positioned above the first pedal 21 and the cast-in-place platform 100 or the floor platform 200, and the third pedal 23 and the floor platform 200 or the cast-in-place platform 100, so that feet of workers are prevented from being clamped in gaps when the workers use the temporary stairway.

When the temporary mobile stair is installed, the limiting convex part 26 is firstly inserted into the limiting hole 25 to connect the first pedal 21, the second pedal 22 and the third pedal 23 to form the pedal assembly 2, then the bolt-on convex part 222 penetrates through the oblique beam 1, and then the pedal assembly 2 and the two oblique beams 1 are fixedly connected; assembling the handrail 4, screwing one end of each of the two bent pipes 42 into the two ends of the connecting pipe 43, inserting the bottom ends of the two vertical pipes 41 into the threaded holes 12 of the oblique beam 1, inserting the other ends of the two bent pipes 42 into the top ends of the two vertical pipes 41, fixedly connecting the bent pipes 42 with the vertical pipes 41, the reinforcing pipes 44 with the vertical pipes 41 by bolts, fixing the bottom ends of the two support rods 45 on the oblique beam 1 by screwing, and adjusting the length of the telescopic part 451 to enable the support part 452 to abut against the connecting pipe 43, thereby fixedly connecting the two handrails 4 with the oblique beam 1; then fixing the four mounting pipes 32 at the bottom of the oblique beam 1 in pairs by bolts, inserting the top ends of the telescopic rods 31 into the mounting pipes 32, and fixedly connecting the telescopic rods 31 and the mounting pipes 32 by bolts so as to fixedly connect the four telescopic support frames 3 and the two oblique beams 1; then, the telescopic rod 31 and the connecting cross rod 34 are fixedly connected by bolts; and finally, fixing the four hanging rings 11 on the oblique beam 1 through threads to finish the installation of the temporary movable stair.

After the temporary mobile stairs are installed, a tower crane is adopted to connect the lifting rings 11, the installed temporary mobile stairs are directly lifted to a staircase on an operation layer, two ends of the temporary mobile stairs are respectively erected on the cast-in-place platform 100 and the floor platform 200, then the height of the telescopic support frame 3 is adjusted, the bottom of the telescopic rod 31 is abutted against the step surface of the prefabricated stairs 300 to support the temporary mobile stairs, and finally the turning plate 29 on the first pedal 21 and the third pedal 23 is turned over, so that the turning plate 29 is positioned above the first pedal 21 and the floor platform 200 and above the third pedal 23 and the cast-in-place platform 100.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. A temporary mobile stair for an assembly type building operation layer is used for connecting a cast-in-place platform and a floor platform, and is characterized by comprising two inclined beams, a pedal assembly, at least four telescopic support frames and two handrails;

two ends of the oblique beam are respectively erected on the cast-in-place platform and the floor platform;

the pedal assembly is positioned between the two oblique beams and comprises a first pedal, a plurality of second pedals and a third pedal, the first pedal and the third pedal are respectively detachably connected with two ends of the oblique beams, the second pedals are positioned between the first pedal and the third pedal, the second pedals are distributed along the length direction of the oblique beams, and two sides of each second pedal are detachably connected with the oblique beams;

the top of the telescopic support frame is detachably connected with the bottom of the oblique beam, and the bottom of the telescopic support frame is abutted against the step surface of the prefabricated staircase;

the handrail is detachably arranged on the oblique beam.

2. A temporary mobile staircase for an assembly building operation level according to claim 1, characterized in that: the inclined beam is detachably provided with a plurality of lifting rings for lifting.

3. A temporary mobile staircase for an assembly building operation level according to claim 2, characterized in that: the bottom of the hanging ring is provided with a threaded rod, and the threaded rod is connected to the oblique beam in a threaded mode.

4. A temporary mobile staircase for an assembly type construction work level according to claim 1 or 2, characterized in that: the telescopic support frame comprises a telescopic rod and an installation pipe, the top end of the telescopic rod is sleeved with the installation pipe, the top end of the installation pipe is provided with an inclined plane parallel to the length direction of the oblique beam, and a connecting plate used for being detachably connected with the oblique beam is arranged on the inclined plane of the installation pipe.

5. A temporary mobile staircase for an assembly type construction work level according to claim 1 or 2, characterized in that: the handrail comprises two vertical pipes, two bent pipes and a connecting pipe, the bottoms of the vertical pipes are detachably arranged on the oblique beam, the two vertical pipes are respectively positioned at two ends of the oblique beam, one end of each bent pipe is connected with the top end of the corresponding vertical pipe in an inserting mode, and the other end of each bent pipe is bent along the length direction of the oblique beam and detachably connected with one end of the corresponding connecting pipe.

6. A temporary mobile staircase for an assembly building operation level according to claim 5, characterized in that: a reinforcing pipe is detachably arranged between the two stand pipes.

7. A temporary mobile staircase for an assembly building operation level according to claim 5, characterized in that: and the oblique beam is provided with a threaded hole for the spiral insertion of the bottom of the vertical pipe.

8. A temporary mobile staircase for an assembly type construction work level according to claim 1 or 2, characterized in that: the second pedal is L-shaped, the bottom end of the second pedal abuts against the top end of the adjacent second pedal to form a pedal main body, the bottom end of the pedal main body abuts against the first pedal, and the bottom end of the third pedal abuts against the top end of the pedal main body.

9. A temporary mobile stairway for a fabricated construction work level according to claim 8, wherein: the top of first footboard and second footboard all is equipped with spacing hole, and the bottom of second footboard and third footboard all is equipped with the spacing convex part with jack clearance fit.

10. A temporary mobile stairway for a fabricated construction work level according to claim 8, wherein: and a reinforcing plate is further arranged on the second pedal, and the reinforcing plate and the second pedal form a triangular structure.

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