CN212295392U

CN212295392U - Assembled PC stair

Info

Publication number: CN212295392U
Application number: CN201922306371.3U
Authority: CN
Inventors: 毛宏良
Original assignee: Haida Construction Group Co ltd
Current assignee: Haida Construction Group Co ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2021-01-05
Anticipated expiration: 2029-12-19

Abstract

The utility model relates to an assembled PC stair, including the stair frame, and set up diaphragm on the stair frame, the stair frame includes two spinal branch poles of lower extreme, fixes the bracing piece of branch upper end, the bracing piece is arranged in proper order by low to high, the upper end of the support bar is provided with the location chain, the branch side is provided with many spacing chains, the diaphragm both ends respectively are provided with two confessions the fixed location of location chain is detained, still respectively is provided with a confession spacing the knot that spacing chain is fixed. The utility model has the characteristics of safe in utilization, installation dismantlement convenience etc.

Description

Assembled PC stair

Technical Field

The utility model belongs to the technical field of the construction technique and specifically relates to an assembled PC stair is related to.

Background

At present, building stairs need to be temporarily built on a new construction site, the construction of the building is simultaneously carried out along with an operation layer, and the erection of the stairs with hard requirements needs to be carried out by assembling on site, binding reinforcing steel bars on site and welding the reinforcing steel bars on site, so that the construction progress requirement is seriously influenced; the position of the existing assembled PC stair is fixed, and when workers use the stair in different places, the existing assembled PC stair cannot slide and is not convenient to adjust; the existing assembly type PC only has a unidirectional stair and cannot solve the problem of bidirectional simultaneous operation; the quality of the concrete stairs assembled on site is difficult to ensure, and a lot of redundant site wastes are generated.

The prior patent grant publication number: CN109138496A "an assembled PC stair" discloses an assembled PC stair, including first horizontal pole, second horizontal pole first horizontal pole and second horizontal pole are parallel symmetric distribution, and shown first horizontal pole and second horizontal pole both ends all are provided with the connecting piece, first bracing piece and second bracing piece top all are provided with the connecting piece, first bracing piece and second bracing piece all pass through connecting piece and ceiling fixed connection, be provided with the diaphragm in the middle of first horizontal pole and the second horizontal pole, the inside first pulley that is provided with of first slide rail, the inside connecting hole that is provided with of first pulley, the cover has the go-between on the connecting hole, go-between bottom fixed connection steel wire, the steel wire bottom mounting has rings, first step and second step top all are fixed with the safety ring, rings and safety ring noose fixed connection. Through the transverse plates which are lifted one by one, the user can climb upwards.

The above prior art solutions have the following drawbacks: the upper end and the lower end of the assembled PC stair are movably connected, the horizontal plate cannot be kept well in a horizontal state, and when a constructor uses the assembled PC stair, the assembled PC stair is dangerous.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a use safer assembled PC stair.

The above object of the present invention can be achieved by the following technical solutions: the utility model provides an assembled PC stair, includes the stair frame, and sets up diaphragm on the stair frame, the stair frame includes two spinal branch poles of lower extreme, fixes the bracing piece of branch upper end, the bracing piece is arranged in proper order by low to high, the upper end of the support bar is provided with the location chain, the branch side is provided with many spacing chains, the diaphragm both ends respectively are provided with two confessions the fixed location of location chain is detained, still respectively is provided with a confession spacing knot that spacing chain is fixed.

Through adopting above-mentioned technical scheme, when needing to build assembled PC stair and use, carry the stair frame to appointed place, then fix the upper end of location chain on the bracing piece, then place the diaphragm on the stair frame, be located between the bracing piece, fix the location chain on the bracing piece of diaphragm both sides on the location is detained, make the diaphragm fixed, then fix the limit buckle at the diaphragm both ends with the upper end of limit chain, its lower extreme is fixed on branch, the diaphragm has just been firmly fixed this moment, repeat above-mentioned step, make diaphragm and bracing piece the same from low to high formation ladder, when hanging full of the diaphragm between the bracing piece, alright use, in this scheme, multiple injecing has been carried out to the diaphragm, through the pulling of location chain and limit chain, make the diaphragm can not rock, thereby the security has been improved.

The utility model discloses further set up to: and a connecting plate is hinged between the adjacent transverse plates.

Through adopting above-mentioned technical scheme, when installing the diaphragm, the diaphragm is not one. But link together by the connecting plate, and can rotate and stack together between connecting plate and the diaphragm, make more convenient when the transportation, make all diaphragms pass through the connecting plate simultaneously and constitute a whole, its stability is higher, it is safer to use, the gap between the adjacent diaphragm is plugged up to the connecting plate in addition, the foot slip causes the potential safety hazard in the gap when avoiding the user of service to walk on this assembled PC stair, has further promoted the security.

The utility model discloses further set up to: the positioning chain and the limiting chain are obliquely arranged.

Through adopting above-mentioned technical scheme, set up positioning bolt and spacing bolt into the slope form for the diaphragm can't rock in the direction along the diaphragm, has improved the injecing of location chain and spacing chain to the diaphragm simultaneously, makes the security of this assembled PC stair improved greatly.

The utility model discloses further set up to: the support rod is characterized in that a plastic buckle is arranged at the upper end of the support rod, a partition plate is vertically arranged in the middle of the buckle, a handrail rod is connected into the adjacent buckles in a clamping mode, and two ends of the handrail rod are abutted to the end face of the partition plate.

Through adopting above-mentioned technical scheme, the people is when the high altitude walking, can be relatively unstable, when the user of service walks on this assembled PC stair, only bracing piece or location chain that can hand, it is very inconvenient, in this scheme, through setting up the handrail, make the user of walking on assembled PC stair can feel at ease more stable walking, and simultaneously, this handrail directly blocks into in the bayonet socket at both ends, it is spacing by the baffle simultaneously, make the installation of handrail dismantle convenient and fast more on the one hand, on the other hand has avoided the sliding of handrail, make the handrail time safer.

The utility model discloses further set up to: the upper end of the supporting rod is provided with a plurality of fixing seats, and the supporting rods are inserted into the fixing seats at intervals.

Through adopting above-mentioned technical scheme, when using this assembled PC stair, on the same stair frame, how much of bracing piece radical, what of diaphragm number is decided, under the condition of same rise, the diaphragm is more, then the difference in height between every layer of diaphragm is just less, it is just more convenient when using, set up a plurality of fixing bases on branch in this scheme, the bracing piece is pegged graft in the supporting seat, on the one hand through making bracing piece easy to assemble and dismantling, on the other hand can peg graft the bracing piece in the fixing base of difference, adjust diaphragm number and difference in height, it is very convenient to operate simultaneously.

The utility model discloses further set up to: a plurality of connecting rods are uniformly arranged between the supporting rods.

Through adopting above-mentioned technical scheme, this stair are assembled PC stair, when needs use, can assemble rapidly, evenly is equipped with the connecting rod between branch in this scheme for make up into the ladder between branch and the connecting rod, when need not using assembled PC stair, can also use it as the ladder, make the best of things, save the resource.

The utility model discloses further set up to: and anti-skid grains are arranged at the upper end of the transverse plate and on the surface of the handrail.

Through adopting above-mentioned technical scheme, under the environment of building site, can not guarantee each people who uses assembled PC stair, its sole all is dry state, and this assembled PC stair can not set up too many complicated structure again simultaneously and guarantees safety, has also violated the characteristic of its convenient and fast installation like this, and this scheme is through setting up anti-skidding line in handrail and diaphragm upper end, further assurance user's safety.

The utility model discloses further set up to: the lower end of the supporting rod is provided with a plurality of fixing claws.

Through adopting above-mentioned technical scheme, when assembled PC stair are fixed subaerial, whether stable the standing subaerial and use of whole assembled PC stair can be, on the one hand is its structural strength, on the other hand is the size of the frictional force of branch lower extreme and ground, make it can not shift when receiving the impact force of horizontal direction, thereby guarantee user of service's security, this scheme is through setting up the stationary dog at the branch lower extreme, make the gravity on the assembled PC stair big more, stationary dog alright closely follow closely subaerial, thereby guarantee the stability of assembled PC stair.

To sum up, the utility model discloses a beneficial technological effect does:

1. the transverse plate is firmly fixed through the positioning lock chain and the limiting lock chain which are arranged in an inclined mode, so that a user can use the assembled PC stair more safely;

2. the safety of the assembled PC stair is further improved by hinging the connecting plates between the adjacent transverse plates, clamping the handrail between the adjacent supporting rods and arranging the anti-skid grains and the fixing claws;

3. through pegging graft the bracing piece on the fixing base, can adjust the number of bracing piece as required, it is very convenient.

Drawings

FIG. 1 is a schematic view of an external structure of an assembled PC stair;

fig. 2 is a partial exploded view of the fabricated PC stairway, showing the location of the mounting holes.

In the figure: 1. a stair frame; 2. a transverse plate; 3. a strut; 4. a support bar; 5. positioning the chain; 6. a limiting chain; 7. a connecting rod; 8. a fixed jaw; 9. a fixed seat; 10. mounting holes; 11. buckling; 12. a socket; 13. a partition plate; 14. a grab bar; 15. a fixing ring; 16. locking; 17. positioning buckles; 18. a limit buckle; 19. a connecting plate; 20. and (4) anti-skid lines.

Detailed Description

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

Referring to fig. 1, an assembled PC stair comprises a stair frame 1 and a transverse plate 2 arranged on the stair frame 1, wherein the stair frame 1 comprises two support rods 3 at the lower end and support rods 4 fixed at the upper ends of the support rods 3, the support rods 4 are arranged in sequence from low to high, a positioning lock chain 5 is arranged at the upper end of each support rod 4, a plurality of limiting lock chains 6 are arranged at the side ends of the support rods 3, and a connecting rod 7 is arranged between the support rods 3.

The lower ends of the two supporting rods 3 are welded with a plurality of fixing claws 8 made of metal, the lower ends of the fixing claws 8 are pointed, so that when the supporting rods 3 bear large pressure, the fixing claws 8 can be pricked into the bottom surface, so that the supporting rods 3 are fixed, the supporting rods 3 are square metal rods, the two supporting rods 3 are arranged in parallel, a plurality of connecting rods 7 are welded at the ends, close to each other, of the two supporting rods, and the connecting rods 7 are metal rods, are parallel to each other and are perpendicular to the supporting rods 3.

Referring to fig. 1 and 2, a fixing seat 9 is vertically welded at the upper end of the supporting rod 3, the fixing seat 9 is a square metal tube, a square mounting hole 10 is formed in the fixing seat 9, the lower end of the supporting rod 4 is square, the supporting rod 4 can be directly inserted into the mounting hole 10 in an interference manner, the supporting rod 4 is different in length from low to high, and the supporting rod 4 is sequentially inserted from the fixing seat 9 at one end of the supporting rod 3 to the other end of the supporting rod, so that the supporting rod 4 is in a state of continuously inclining upwards on the supporting rod 3.

The upper end face of the support rod 4 is horizontal, the support rod is connected with a buckle 11 through a bolt, the bayonet is composed of two arc-shaped plastic sheets, the support rod can deform when being under pressure, and can restore to the original state, a socket 12 is formed in the upper end of the bayonet, a partition plate 13 made of metal is welded on the upper end face of the support rod 4 and is inserted into the middle of the lower end of the buckle 11, the buckle 11 is divided into two parts, a handrail 14 is arranged on the adjacent support rod 4, the handrail 14 is cylindrical and tubular, the handrail 14 is inserted into the socket 12 to deform the buckle 11, the buckle 11 is restored after being completely inserted, the two ends of the handrail 14 abut against the end faces of the partition plates 13 at the upper ends of the two support rods 4, and therefore.

The bracing piece 4 respectively is connected with two solid fixed rings 15 at the downside of buckle 11 and the one end that is close to each other through the screw thread, a location chain 5 of each solid fixed ring 15 collocation, the both ends of location chain 5 respectively are equipped with a padlock 16, fix location chain 5 on solid fixed ring 15 through padlock 16, 2 both ends of diaphragm respectively are connected with two location buckles 17 through the screw thread, the location chain 5 that extends out by different bracing pieces 4 passes through padlock 16 to be fixed on location buckle 17, make diaphragm 2 fixed, and location chain 5 is the slope form.

The two ends of the transverse plate 2 are respectively connected with a limiting buckle 18 in the middle of the positioning buckle 17 through threads, the side end of the supporting rod 3 is connected with a fixing ring 15 between the connecting rods 7 through threads, a limiting chain 6 is connected between the limiting buckle 18 and the fixing ring 15 through a buckle 16, and the limiting chain 6 is tightened and is in an inclined state.

Between the adjacent diaphragm 2 articulated have a connecting plate 19, this connecting plate 19 is the first style of lock, and it can be crooked itself, and when diaphragm 2 was fixed between bracing piece 4, connecting plate 19 made all diaphragm 2 constitute a whole for diaphragm 2 is more stable.

The transverse plate 2 and the handrail 14 are adhered with anti-skid lines 20.

The implementation principle of the embodiment is as follows:

when this assembled PC stair is used to needs, put branch 3 and connecting rod 7 as the ladder use subaerial earlier for the stationary dog 8 butt on branch 3 is subaerial, peg graft into fixing base 9 with bracing piece 4 again, peg graft handrail 14 between adjacent bracing piece 4, fix location chain 5 and spacing chain 6 respectively on the solid fixed ring 15 of bracing piece 4 and 3 sides of branch, rethread padlock 16 is fixed diaphragm 2, the user of service just can reach the eminence through walking on diaphragm 2 this moment.

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

Claims

1. An assembled PC stair, includes stair frame (1), and sets up diaphragm (2) on stair frame (1), its characterized in that: stair frame (1) includes two spinal branch (3) of lower extreme, fixes bracing piece (4) of branch (3) upper end, bracing piece (4) are arranged by low to high in proper order, bracing piece (4) upper end is provided with location chain (5), branch (3) side is provided with many spacing chain (6), diaphragm (2) both ends respectively are provided with two confessions location that location chain (5) are fixed is detained (17), still respectively is provided with a confession spacing knot (18) that spacing chain (6) are fixed.

2. The fabricated PC stairway of claim 1, wherein: a connecting plate (19) is hinged between the adjacent transverse plates (2).

3. The fabricated PC stairway of claim 2, wherein: the positioning chain (5) and the limiting chain (6) are obliquely arranged.

4. The fabricated PC stairway of claim 3, wherein: the upper end of the supporting rod (4) is provided with a buckle (11), a partition plate (13) is vertically arranged in the middle of the buckle (11), a handrail (14) is connected into the adjacent buckle (11) in a clamping mode, and two ends of the handrail (14) abut against the end face of the partition plate (13).

5. The fabricated PC stairway of claim 4, wherein: the upper end of the supporting rod (3) is provided with a plurality of fixing seats (9), and the supporting rod (4) is inserted into the fixing seats (9) at intervals.

6. The fabricated PC stairway of claim 5, wherein: a plurality of connecting rods (7) are uniformly arranged between the supporting rods (3).

7. The fabricated PC stairway of claim 6, wherein: anti-skid grains (20) are arranged at the upper end of the transverse plate (2) and on the surface of the handrail (14).

8. The fabricated PC stairway of claim 7, wherein: the lower end of the supporting rod (3) is provided with a plurality of fixing claws (8).