CN214615573U

CN214615573U - Assembled stair temporary operation protective barrier

Info

Publication number: CN214615573U
Application number: CN202120595093.2U
Authority: CN
Inventors: 高月秀; 单荣洁; 王锦; 王斌; 滕世金; 李鹏程
Original assignee: Rizhao Tiantai Construction Engineering Co ltd
Current assignee: Rizhao Tiantai Construction Engineering Co ltd
Priority date: 2021-03-24
Filing date: 2021-03-24
Publication date: 2021-11-05
Anticipated expiration: 2031-03-24

Abstract

Railing is prevented in interim operation of assembled stair relates to the interim protection technical field of assembled building, especially relates to a railing is prevented in interim operation of assembled stair. The device comprises a cross rod, an upright rod and a foot blocking plate, and is characterized in that the upright rod comprises a front rod and a rear rod, a base is arranged at the bottom of the upright rod, and a protective rod is arranged at the upper end of the upright rod; a cross rod is connected between the guard rods; the cross bar comprises an upper bar and a lower bar which are arranged in parallel along the gradient of the assembled stair; the base comprises a mounting rod, a mounting transverse plate and a mounting vertical plate, one end of the mounting transverse plate and the mounting vertical plate are vertically arranged in a T shape, and a mounting hole is formed in the other end of the mounting transverse plate; the mounting hole is matched with a hoisting nut of the assembled stair; the mounting vertical plate is provided with a locking bolt, and a foot blocking plate is arranged between the mounting vertical plate and the mounting rod. The utility model discloses have direct mount in hoist and mount nut, safe and reliable's positive effect.

Description

Assembled stair temporary operation protective barrier

Technical Field

The utility model relates to an interim protection technical field of assembly type structure especially relates to an interim operation of assembly type stair guard rail.

Background

The fabricated stair railing is generally installed after the fabricated building construction is completed, but in the construction process, workers need to use the stair without the installed stair railing to transport some tools and equipment, and therefore need to install the protective barrier for the temporary operation of the fabricated stair. As shown in fig. 7, according to the relevant requirements of precast concrete staircases (JG/T562-2018), assembly stairway design specifications, assembly hoisting engineering component acceptance criteria and the like, nuts are embedded in stair steps at two ends of the assembly stairway for hoisting when the assembly stairway is manufactured. At present, the distance between the hoisting nuts is generally not more than 2 meters, and the building correlation requires that the distance between the upright bars of the stair protective fence is not more than 2 meters, so the upright bars of the protective fence can be arranged in the hoisting nuts. The guardrail bar can not directly be installed in hoist and mount nut in the interim operation of current assembled stair, does not conform to relevant building requirement and standard simultaneously, has the potential safety hazard.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a railing is prevented in interim operation of assembled stair to reach direct mount in hoist and mount nut, safe and reliable's purpose.

The utility model provides an assembled stair temporary operation guard rail, including horizontal pole, pole setting and fender foot board, its characterized in that, the pole setting includes front boom and back pole, and front boom and back pole perpendicular to assembled stair are marked time parallel arrangement, and the interval of front boom and back pole is not more than 2m, and the bottom of pole setting is provided with the base, and the upper end of pole setting is provided with the guard bar; a cross rod is connected between the guard rods; the cross bar comprises an upper bar and a lower bar, the upper bar and the lower bar are arranged in parallel along the gradient of the assembled stair, and the distance between the upper bar and the lower bar is not more than 600 mm; the base comprises a mounting rod, a mounting transverse plate and a mounting vertical plate, one end of the mounting transverse plate and the mounting vertical plate are vertically arranged in a T shape, and a mounting hole is formed in the other end of the mounting transverse plate; the mounting hole is matched with a hoisting nut of the assembled stair; the mounting vertical plate is provided with a locking bolt, and a foot blocking plate is arranged between the mounting vertical plate and the mounting rod.

Further, the guard bar is provided with a spring pin; spring pin holes matched with the spring pins are formed in the two ends of the cross rod, and the cross rod is sleeved on the protection rod.

Further, a spring pin is arranged on the mounting rod; and a spring pin hole matched with the spring pin of the mounting rod is formed in the bottom of the vertical rod.

Furthermore, a dense mesh type safety net is hung on the cross rods and the vertical rods.

Furthermore, the inclination angle of the foot blocking plate is matched with the gradient of the assembled stair, and the height of the foot blocking plate is not less than 180 mm.

Furthermore, the guard bar of the rear rod is provided with a bent pipe guardrail matched with the corner of the assembled stair.

Furthermore, the elbow guardrail comprises a first elbow and a second elbow, and the first elbow and the second elbow are connected together through mutually adaptive spring pins and connecting holes.

Furthermore, the number of the spring pin holes at the two ends of the cross rod is 4-8, and the spring pin holes are uniformly distributed at the two ends of the cross rod.

The utility model provides an assembled stair interim operation guard rail, pole setting include front boom and back pole, and front boom and back pole perpendicular to assembled stair parallel arrangement that marks time, the interval of front boom and back pole is not more than 2m, and front boom and back pole can pass through base direct mount on the lifting nut that assembled stair marked time. One end of the installation transverse plate and the installation vertical plate are arranged vertically in a T shape, the installation vertical plate is placed on the side of the assembly type stair, and the installation transverse plate is placed on the step of the assembly type stair. The bottom of pole setting is provided with the base, and the mounting hole that the installation riser set up and the hoist and mount nut looks adaptation of assembled stair, fixing bolt pass the mounting hole and be connected with the hoist and mount nut screw thread fixed of assembled stair, fix the base on the marking time of assembled stair, and then fix the pole setting on the marking time of assembled stair. The upper end of pole setting is provided with the fender rod, is connected with the horizontal pole between the fender rod of front mast and back pole, and the horizontal pole is connected the fender rod of front mast and the fender rod of back pole together, carries out the interim operation protection of assembled stair. Be provided with the locking bolt on the installation riser, be provided with the fenders between installation pole and the installation riser, screw up the locking bolt, fix the fenders between installation pole and installation riser, reinforcing protection security, safe and reliable. Therefore, the utility model discloses have direct mount in the lifting nut, safe and reliable's positive effect.

Drawings

The accompanying drawings partially disclose embodiments of the present invention, in which,

fig. 1 is a schematic structural view of the present invention;

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

fig. 3 is a schematic structural view of the vertical rod of the present invention;

fig. 4 is a schematic structural view of the cross bar and the vertical bar of the present invention;

fig. 5 is a schematic structural view of the elbow guard rail of the present invention;

FIG. 6 is a view showing a usage state of the present invention;

fig. 7 is a schematic structural view of a conventional fabricated stairway.

Detailed Description

As shown in fig. 1-5, the assembled stair temporary operation guard rail provided by the utility model comprises a cross bar 1, an upright bar 2 and a foot-blocking plate 6, wherein the upright bar 2 comprises a front bar 21 and a rear bar 22, the front bar 21 and the rear bar 22 are arranged in parallel perpendicular to the assembled stair step, the distance between the front bar 21 and the rear bar 22 is not more than 2m, a base 3 is movably arranged at the bottom of the upright bar 2, and the upper end of the upright bar 2 is connected with a guard bar 4 through a bolt; a cross rod 1 is connected between the guard rods 4; the base 3 comprises a mounting rod 31, a mounting transverse plate 32 and a mounting vertical plate 33, the mounting transverse plate 32 and the mounting vertical plate 33 are welded together, one end of the mounting transverse plate 32 and the mounting vertical plate 33 are welded together to be vertically arranged in a T shape, and the other end of the mounting transverse plate 32 is provided with a mounting hole 34; the mounting hole 34 is matched with a hoisting nut of the assembled stair; the mounting vertical plate 33 is provided with a locking bolt 36, and a foot baffle 6 is arranged between the mounting vertical plate 33 and the mounting rod 31.

As shown in fig. 6, the utility model discloses when using, at first, the pole setting includes preceding pole and back pole, and preceding pole and back pole perpendicular to assembled stair parallel arrangement that marks time, and the height of preceding pole 21 and back pole 22 is 1.2m, and the interval of preceding pole and back pole is not more than 2m, and preceding pole and back pole can pass through base direct mount on the lifting nut that assembled stair marked time. The installation vertical plates are placed on the side edges of the assembled stairway, and the installation transverse plates are placed on the steps of the assembled stairway. The bottom of pole setting is provided with the base, and the mounting hole is placed with the hoist and mount nut of assembled stair corresponding, and fixing bolt passes the mounting hole and is connected with the hoist and mount nut screw thread fixed of assembled stair, fixes the base on marking time of assembled stair, and then fixes the pole setting on marking time of assembled stair.

Then, the upper end of pole setting is provided with the fender rod, is connected with the horizontal pole between the fender rod of front mast and back pole, and the horizontal pole is connected the fender rod of front mast and the fender rod of back pole together, carries out the interim operation protection of assembled stair.

And then, the locking bolts are arranged on the installation vertical plates, the foot blocking plates are arranged between the installation rod and the installation vertical plates, the locking bolts are screwed down, the foot blocking plates are fixed between the installation rod and the installation vertical plates, and therefore protection safety, safety and reliability are enhanced. The vertical rods and the cross rods are arranged, fixed and connected, so that the external force action of 1kN in any direction can be borne, the relevant building requirements and standard requirements can be met, and the building structure is safe and reliable.

Finally, when needs demolish assembled stair interim operation guardrail bar, only need dismantle the horizontal pole from the fender rod, unscrew fixing bolt, alright dismantle base 3 from stepping on of assembled stair, and then dismantle horizontal pole 1 and pole setting 2, can not influence follow-up fitment construction.

The guard bar 4 is provided with a spring pin; spring pin holes matched with the spring pins are formed in the two ends of the cross rod 1, and the cross rod 1 is sleeved on the protection rod 4. Through the spring round pin and the spring pinhole of mutual adaptation, can install the horizontal pole on the fender rod fast, and then be in the same place horizontal pole 1 is connected with pole setting 2, common fixed mounting is on marking time of assembled stair. The number of the spring pin holes is 4-8, the spring pin holes are uniformly distributed at two ends of the cross rod 1, 2-4 spring pin holes at each end can adjust the connection length of the guard bar and the cross rod through the positions of the spring pin holes, and the common protection length of the guard bar and the cross rod can be 1600mm-2575 mm. Due to the fact that the heights of the storied buildings are different, the number of steps of the fabricated stairway is different, and therefore the distances between the hoisting nuts at the two ends of the fabricated stairway are different. Even when the distance between the lifting nuts at two ends of the fabricated stair exceeds 2 meters, the lifting nuts are generally additionally added, so that the distance between two adjacent lifting nuts still does not exceed 2 meters, and the distance between the protective guard vertical rods of the stair is required to be not more than 2 meters in building related requirements, the protective guard vertical rods can still be installed in the lifting nuts, the relevant building requirements and specifications are met, and the assembled stair is safe and reliable. In addition, the cross rod 1 and the guard bar 4 can be connected together through threads or welding, so that the building protection device meets relevant building requirements and specifications, and is safe and reliable.

Be provided with spring catch 35 on above-mentioned installation pole 31, the bottom of pole setting 2 is provided with the spring pin hole with installation pole 31's spring pin looks adaptation, through the spring pin and the spring pin hole of mutual adaptation, can install pole setting 2 on the base fast, and then fix fast on the marking time of assembled stair. The mounting rod 31 and the upright rod 2 can be connected together through threads or welding, so that the building construction method is in accordance with relevant building requirements and specifications, and is safe and reliable.

And a dense mesh type safety net or other materials are hung on the cross rods 1 and the vertical rods 2 for sealing. The close mesh type safety net or other materials can enhance the protection of the cross rods 1 and the vertical rods 2, and the safety and the reliability are realized.

The inclination angle of the foot blocking plate 6 is matched with the gradient of the assembled stair, and the height of the foot blocking plate 6 is not less than 180 mm. The design of the foot blocking plate 6 can meet the relevant building requirements and specifications, and meanwhile, the foot blocking plate can be fixed on the side edge of the fabricated stair through the base 3 to perform safety protection, and is safe and reliable.

The outside of above-mentioned installation riser 33 is located the side of assembled stair, can strengthen the protectiveness of horizontal pole 1 and pole setting 2, safe and reliable. Installation pole 31 is provided with spring catch 35 for the inboard of assembled stair, conveniently installs horizontal pole 1 and pole setting 2 fast, safe and reliable.

As shown in fig. 5, the guard bar 4 of the rear bar 22 is provided with an elbow guard 5 adapted to the corner of the prefabricated staircase, and the elbow guard 5 can temporarily protect the corner of the prefabricated staircase. The elbow guard 5 comprises a first elbow 51 and a second elbow 52, and the first elbow 51 and the second elbow 52 are connected together by a spring pin and a connecting hole which are mutually matched. Or the first bend 51 and the second bend 52 are connected together by screwing or welding. First return bend 51 is connected with fender rod 4 of the back pole of first layer assembled stair, and second return bend 52 is connected with fender rod 4 of the front pole of second layer assembled stair, and first return bend 51 and second return bend 52 are connected the back pole of first layer assembled stair and the front pole of second layer assembled stair together, carry out interim safety protection, safe and reliable to assembled stair jointly.

Claims

1. The assembled stair temporary operation protective barrier comprises a cross rod (1), an upright rod (2) and a foot blocking plate (6), and is characterized in that the upright rod (2) comprises a front rod (21) and a rear rod (22), the front rod (21) and the rear rod (22) are perpendicular to an assembled stair step and are arranged in parallel, the distance between the front rod (21) and the rear rod (22) is not more than 2m, a base (3) is arranged at the bottom of the upright rod (2), and a protective rod (4) is arranged at the upper end of the upright rod (2); a cross rod (1) is connected between the guard rods (4); the cross bar (1) comprises an upper bar (11) and a lower bar (12), the upper bar (11) and the lower bar (12) are arranged in parallel along the gradient of the assembled stair, and the distance between the upper bar (11) and the lower bar (12) is not more than 600 mm; the base (3) comprises a mounting rod (31), a mounting transverse plate (32) and a mounting vertical plate (33), one end of the mounting transverse plate (32) and the mounting vertical plate (33) are vertically arranged in a T shape, and the other end of the mounting transverse plate (32) is provided with a mounting hole (34); the mounting hole (34) is matched with a hoisting nut of the assembled stair; the mounting vertical plate (33) is provided with a locking bolt (36), and a foot blocking plate (6) is arranged between the mounting vertical plate (33) and the mounting rod (31).

2. Assembled stair temporary work guard rail according to claim 1, characterized in that the guard bar (4) is provided with a spring pin; spring pin holes matched with the spring pins are formed in the two ends of the cross rod (1), and the cross rod (1) is sleeved on the protective rod (4).

3. The fabricated stair temporary working guardrail according to claim 2, wherein the number of the spring pin holes at the two ends of the cross bar (1) is 4-8, and the spring pin holes are uniformly distributed at the two ends of the cross bar (1).

4. The fabricated stair temporary working guardrail according to claim 1, wherein a spring pin (35) is provided on the mounting bar (31); the bottom of the upright rod (2) is provided with a spring pin hole matched with the spring pin of the mounting rod (31).

5. The fabricated stair temporary working guard rail according to claim 1, characterized in that a close mesh safety net (7) is hung on the cross bar (1) and the vertical bar (2).

6. The fabricated stair temporary working protective railing according to claim 1, characterized in that the inclination angle of the foot blocking plate (6) is matched with the gradient of the fabricated stair, and the height of the foot blocking plate (6) is not less than 180 mm.

7. Assembled stair temporary work guard rail according to claim 1, characterized in that the guard bar (4) of the rear bar (22) is provided with bent pipe guard rails (5) adapted to the corners of an assembled stair.

8. The fabricated stair temporary working guard rail according to claim 7, characterized in that the elbow guard rail (5) comprises a first elbow (51) and a second elbow (52), the first elbow (51) and the second elbow (52) being connected together by mutually adapted spring pins and connection holes.