CN215802773U

CN215802773U - Light-duty precast concrete assembled stair

Info

Publication number: CN215802773U
Application number: CN202122267983.3U
Authority: CN
Inventors: 孙俏才
Original assignee: Shenzhen Huayuan Construction Engineering Design Co ltd
Current assignee: Shenzhen Huayuan Construction Engineering Design Co ltd
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2022-02-11
Anticipated expiration: 2031-09-17

Abstract

The utility model relates to the technical field of assembled staircases, in particular to a light prefabricated concrete assembled staircase, which comprises a staircase body and four supporting plates respectively arranged on the highest step and the lowest step of the staircase body, wherein the upper surfaces of the highest step and the lowest step of the staircase body are respectively provided with a first four inserting grooves, the first inserting grooves are internally provided with a first inserting pin, and the front side surface and the rear side surface of the staircase body are respectively provided with a second four inserting groove; through setting up guardrail, bolt one and bolt two, utilize the both sides to the stair body of the effect of guardrail to intercept, and then carry out regularly to staff's work area, the effect of cooperation bolt one is fixed the backup pad, utilizes bolt two and fixed slot matched with effect, when fixing the backup pad, makes things convenient for the staff later stage to dismantle the backup pad, improves factor of safety for staff's personal safety is ensured.

Description

Light-duty precast concrete assembled stair

Technical Field

The utility model relates to the technical field of fabricated staircases, in particular to a light prefabricated concrete fabricated staircase.

Background

In the fabricated building, the fabricated stairway occupies a very important position in the whole building system, the stairway is used as a main vertical traffic and emergency evacuation channel of the building and has important influence on normal use and emergency evacuation of the whole building, and the fabricated condition of the stairway is also one of main indexes of the fabricated building.

The existing assembly type stair is only a single ladder and lacks of a protection structure for workers, when the workers work on the assembly type stair, great danger exists, the safety factor is low, and the personal safety of the workers cannot be guaranteed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: the light prefabricated concrete assembled stair is provided for solving the problems that only one single stair is arranged in the existing assembled stair, a protection structure for workers is lacked, the workers are in great danger when working on the assembled stair, the safety coefficient is low, and the personal safety of the workers cannot be guaranteed.

The purpose of the utility model can be realized by the following technical scheme:

a lightweight precast concrete fabricated staircase, comprising as a further aspect of the utility model: including the stair body with set up respectively on stair body highest place step and four backup pads on the lowest step, four slots one have all been seted up to the upper surface of stair body highest place step and lowest step, be provided with bolt one in the slot one, the lower surface in the backup pad is installed to bolt one, four slot two have all been seted up to the front and back both sides face of stair body, be provided with bolt two in the slot two, the fixed slot has been seted up to a side of bolt one, the one end of bolt two extends to in the fixed slot, is located it has two rail guards to articulate between two backup pads with one side of stair body.

Preferably, the reinforced soft rubber sleeve is sleeved on the outer side of the highest step of the stair body, the outer side of the lowest end step of the stair body is hinged with the U-shaped soft rubber sleeve, and the second bolt on the highest step of the stair body and the second bolt on the lowest step are respectively located in the reinforced soft rubber sleeve and the U-shaped soft rubber sleeve.

Preferably, a sundry frame is rotatably installed on one side face of the guardrail through a sliding assembly and is positioned above the stepped surface of the stair body.

Preferably, the sliding assembly comprises a sliding block rotatably mounted on one side surface of the sundry frame, and a sliding groove for sliding the sliding block is formed in one side surface of the guardrail.

Preferably, a pull rope is hinged to one side face of the sundries frame, a first hook is installed at the bottom end of the pull rope, and a plurality of first fixing rings matched with the first hook are installed on the guardrail.

Preferably, be located a solid fixed ring two is installed to the side of the highest step backup pad of stair body, be located a side of backup pad articulates on the step of stair body lowest department has the stretch cord, the couple two that use with solid fixed ring two-phase cooperation is installed to the bottom of stretch cord.

The utility model has the beneficial effects that:

1. by arranging the guardrail, the first bolt and the second bolt, the two sides of the stair body are intercepted by the aid of the guardrail, so that working areas of workers are regulated, the supporting plate is fixed by the aid of the first bolt, and the supporting plate is convenient to detach in the later period of the workers while being fixed by the aid of the cooperation of the second bolt and the fixing groove, so that safety factors are improved, and personal safety of the workers is guaranteed;

2. the reinforcing soft rubber sleeve and the U-shaped soft rubber sleeve are matched with the shape of the bottom end of the stair body, so that the reinforcing soft rubber sleeve and the U-shaped soft rubber sleeve fix the second bolt, the second bolt is prevented from being separated from the second slot, and the firmness of the second bolt is improved;

3. through the arrangement of the sundry frame, tools of workers are placed by the sundry frame, so that the workers do not need to carry the tools on the bodies at any time, the labor capacity of the workers is further relieved, and the multifunctional tool rack is simple in structure and convenient and fast to operate;

4. through setting up the slider, utilize the slider gliding effect in the spout, conveniently remove the debris frame for the debris frame is along with staff's removal trend, brings very big convenience, labour saving and time saving for the staff.

Drawings

The utility model will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic side view of the cross-sectional structure of the present invention;

FIG. 3 is an enlarged view of the structure of FIG. 2A according to the present invention;

fig. 4 is a schematic top view of the present invention.

In the figure: 1. a stair body; 2. a first slot; 3. a first bolt; 4. a second slot; 5. a second bolt; 6. a support plate; 7. a guardrail; 8. reinforcing the soft rubber sleeve; 9. a U-shaped soft rubber sleeve; 10. a sundry frame; 11. a slider; 12. pulling a rope; 13. a first hook is arranged; 14. a first fixing ring; 15. a second fixing ring; 16. an elastic cord; 17. and a second hook.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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 to 4, a lightweight precast concrete fabricated stairway includes, as a further aspect of the present invention: comprises a stair body 1 and four supporting plates 6 respectively arranged on the highest step and the lowest step of the stair body 1, wherein the upper surfaces of the highest step and the lowest step of the stair body 1 are respectively provided with four slots I2, the slots I2 are internally provided with bolts I3, the supporting plates 6 are fixed by matching the action of the bolts I3, the bolts I3 are arranged on the lower surface of the supporting plates 6, the front side surface and the rear side surface of the stair body 1 are respectively provided with four slots II 4, the slots II 4 are internally provided with bolts II 5, and the matching action of the bolts II 5 and the fixing grooves is utilized, fix backup pad 6, the fixed slot has been seted up to a side of bolt 3, and the one end of bolt two 5 extends to the fixed slot in, lies in that stair body 1 articulates between two backup pads 6 with one side has two rail guards 7, utilizes the effect of guardrail 7 to intercept stair body 1's both sides.

The reinforcement soft rubber sleeve 8 is sleeved outside the highest step of the stair body 1, the U-shaped soft rubber sleeve 9 is hinged outside the lowest step of the stair body 1, the U-shaped soft rubber sleeve 9 is matched with the shape of the bottom end of the stair body 1, so that the reinforcement soft rubber sleeve 8 and the U-shaped soft rubber sleeve 9 fix the second pin 5, the second pin 5 is prevented from being separated from the second slot 4, the firmness of the second pin 5 is increased, the second pin 5 on the highest step of the stair body 1 and the second pin 5 on the lowest step are respectively located in the reinforcement soft rubber sleeve 8 and the U-shaped soft rubber sleeve 9.

A side of guardrail 7 rotates through the slip subassembly and installs debris frame 10, utilizes debris frame 10 to place staff's instrument for the staff need not carry the instrument on one's body at any time, and then has alleviated staff's the amount of labour, simple structure, the simple operation, debris frame 10 is located the top of 1 ladder face of stair body.

The sliding assembly comprises a sliding block 11 which is rotatably arranged on one side face of the sundry frame 10, a sliding chute for the sliding block 11 to slide is formed in one side face of the guardrail 7, the sliding block 11 is utilized to slide in the sliding chute, the sundry frame 10 is convenient to move, the sundry frame 10 tends to move along with the movement of workers, and great convenience, time saving and labor saving are brought to the workers.

A pull rope 12 is hinged to one side face of the sundry frame 10, a first hook 13 is installed at the bottom end of the pull rope 12, a plurality of first fixing rings 14 matched with the first hooks 13 for use are installed on the guardrail 7, and the sundry frame 10 after moving is fixed through the matching effect of the first hooks 13 and the first fixing rings 14.

A side face, located the highest step of stair body 1, of support plate 6 is installed and is fixed solid two 15, and a side face, located the lowest step of stair body 1, of support plate 6 is articulated to have stretch cord 16, and couple two 17 that cooperate with solid fixed ring two 15 and use are installed to the bottom of stretch cord 16, utilize couple two 17 and solid fixed ring two 15 to fix support plate 6 after the dismantlement.

The working principle is as follows: when the safety protection device is used, when the safety of workers needs to be protected, the first bolt 3 is inserted into the first slot 2, one end of the second bolt 5 is inserted into the fixing groove, the reinforcing soft rubber sleeve 8 and the U-shaped soft rubber sleeve 9 are respectively sleeved on the second bolt 5 of the highest step and the lowest step, the second bolt 5 is fixed, then the workers place tools in the sundry frame 10, when the sundry frame 10 needs to be moved, the first hook 13 is taken down from the first fixing ring 14, then the sundry frame 10 is moved downwards, when the sundry frame 10 is moved, the sliding block 11 is driven to move downwards in the sliding groove, the sundry frame 10 is conveniently moved by utilizing the sliding effect of the sliding block 11 in the sliding groove, when the sundry frame 10 is moved to a proper position, the first hook 13 is hooked on the first fixing ring 14, when the guardrail 7 needs to be disassembled, the reinforcing soft rubber sleeve 8 and the U-shaped soft rubber sleeve 9 are moved away from the second bolt 5, and then moving the second bolt 5 out of the fixing groove, moving the support plate 6 upwards, separating one end of the first bolt 3 from the first slot 2, folding the support plate 6 on the same side in half, and hooking the second hook 17 on the second fixing ring 15.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is illustrative and explanatory only and is not intended to be exhaustive or to limit the utility model to the precise embodiments described, and various modifications, additions, and substitutions may be made by those skilled in the art without departing from the scope of the utility model as defined in the following claims.

Claims

1. A light prefabricated concrete assembled stair comprises a stair body (1) and four supporting plates (6) respectively arranged on the highest step and the lowest step of the stair body (1), it is characterized in that the upper surfaces of the highest step and the lowest step of the stair body (1) are respectively provided with a first slot (2), a first bolt (3) is arranged in the first slot (2), the first bolt (3) is arranged on the lower surface of the supporting plate (6), the front side surface and the rear side surface of the stair body (1) are respectively provided with a second slot (4), a second bolt (5) is arranged in the second slot (4), a fixed groove is arranged on one side surface of the first bolt (3), one end of the second bolt (5) extends into the fixing groove, and two guard rails (7) are hinged between the two support plates (6) on the same side of the stair body (1).

2. The light-weight precast concrete assembled stair according to claim 1, characterized in that a reinforced soft rubber sleeve (8) is sleeved on the outer side of the highest step of the stair body (1), a U-shaped soft rubber sleeve (9) is hinged on the outer side of the lowest step of the stair body (1), and the second bolt (5) on the highest step and the second bolt (5) on the lowest step of the stair body (1) are respectively positioned in the reinforced soft rubber sleeve (8) and the U-shaped soft rubber sleeve (9).

3. A light precast concrete assembled stair according to claim 1, characterized in that a side face of the guardrail (7) is rotatably provided with a sundry frame (10) through a sliding assembly, and the sundry frame (10) is positioned above the stair surface of the stair body (1).

4. A light precast concrete assembled stair according to claim 3 is characterized in that the sliding assembly comprises a sliding block (11) rotatably mounted on one side surface of the sundry frame (10), and a sliding groove for the sliding block (11) to slide is formed in one side surface of the guardrail (7).

5. A light precast concrete assembled stair according to claim 3 is characterized in that a pull rope (12) is hinged to one side face of the sundry frame (10), a first hook (13) is installed at the bottom end of the pull rope (12), and a plurality of first fixing rings (14) matched with the first hook (13) in use are installed on the guardrail (7).

6. A light-weight precast concrete assembled stair according to claim 1, characterized in that a fixing ring II (15) is installed on one side surface of the upper support plate (6) positioned at the highest step of the stair body (1), an elastic rope (16) is hinged to one side surface of the upper support plate (6) positioned at the lowest step of the stair body (1), and a hook II (17) matched with the fixing ring II (15) for use is installed at the bottom end of the elastic rope (16).