CN217461445U

CN217461445U - Close environmental protection concrete prefabricated stair of piecing together convenient to hoist and mount

Info

Publication number: CN217461445U
Application number: CN202220122805.3U
Authority: CN
Inventors: 杜冰毅
Original assignee: Suqian Chengtou Yuanda Construction Technology Co ltd
Current assignee: Suqian Chengtou Yuanda Construction Technology Co ltd
Priority date: 2022-01-18
Filing date: 2022-01-18
Publication date: 2022-09-20
Anticipated expiration: 2032-01-18

Abstract

The utility model discloses a close-spliced environment-friendly concrete prefabricated staircase convenient to hoist, which comprises a staircase body, wherein the staircase body comprises a plurality of stair surfaces, and the horizontal positions of the stair surface and the stair layer are different by half the width of the stair, which is that the push plate is pushed by the cylinder in the placing box at one end of the stair body, the middle part of the push plate is clamped in the arc-shaped clamping groove on the anchor rod in the pushing process to push the anchor rod, the hoisting ring II is pushed out of the top groove to the outside of the placing box by the pushing of the anchor rod, the hoisting ring I can be manually installed in the through hole at the other end of the stair body, after the first hoisting ring and the second hoisting ring are prepared, the stair body can be hoisted and installed, when the stair body is not hoisted, the hoisting ring II retracts into the placing box, so that the hoisting ring II is protected, the device can be stably and safely hoisted and installed through the mutual matching of the hoisting ring I and the hoisting ring II.

Description

Close environmental protection concrete prefabricated stair of piecing together convenient to hoist and mount

Technical Field

The utility model relates to a prefabricated staircase equipment technical field specifically is a close environmental protection concrete prefabricated staircase of piecing together convenient to hoist and mount.

Background

Precast concrete is cast elsewhere than at the final construction site. The precast concrete with different sizes and shapes can be enhanced by adopting fibers to enhance the reliability and the toughness after cracking, and in recent years, the precast concrete is a new favorite in the construction industry due to the low cost and excellent performance. The prefabricated concrete can accelerate the industrialization speed of houses, and is one of the key points of the reformation of economic systems in China. The cast-in-place stair has the advantages that the formwork erecting process is complex, the construction is difficult, the requirement on constructors is high, the overall cost is high, and the development of the prefabricated stair gradually becomes a trend in order to shorten the construction period and improve the quality of the stair.

To this end, the chinese patent with publication number CN107587671A discloses a prefabricated staircase convenient for hoisting, which includes a staircase main body, a steel reinforcement framework is arranged inside the staircase main body, two ends of the staircase main body are provided with stair platforms, a step is arranged between the two stair platforms, the back of the step is a step layer with the same shape, the horizontal direction of the step and the step layer is different by half the width of the step, two ends of the step layer are provided with support frames, the upper and lower joints of the step layer are provided with longitudinal circular grooves, the middle part of the step is provided with a hoisting hole communicating with the grooves, a reserved hole in the vertical direction is arranged below the stair platform.

Prefabricated staircase in the above-mentioned case is more in the preparation work in earlier stage of carrying out hoist and mount in-process, and the operation difficulty, and stability and sturdiness are not enough when hoist and mount, for this reason we propose a close piece together type environmental protection concrete prefabricated staircase of hoist and mount convenient to be used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a close type of piecing together precast concrete stair convenient to hoist and mount to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a close-spliced environment-friendly concrete prefabricated staircase convenient to hoist comprises a staircase body, wherein the staircase body comprises a plurality of stair surfaces, and the horizontal positions of the stair surfaces and a stair layer are different by half of the width of a step;

the advertisement dispenser is inserted to activity on the perpendicular on the other ladder layer of tread, a plurality of antislip strips of rigid coupling are located the least significant on the tread run through on the tread and set up parallel perforation, screw thread installation hoist and mount ring one in the perforation is located the most significant one side rigid coupling of tread settles the case.

Preferably, a cavity is formed in the accommodating box, parallel overhead grooves are formed in the top of the cavity in a penetrating mode, the overhead grooves penetrate through the top wall of the accommodating box, sliding grooves are formed in the inner walls of the two sides of the cavity, and built-in grooves are formed in the top face of the stair body located below the accommodating box in a penetrating mode.

Preferably, the middle plate is slidably mounted in the sliding groove, two ends of the middle plate are slidably connected with the side walls of the sliding groove, the parallel air cylinders are fixedly mounted at the bottom of the cavity, the telescopic ends of the air cylinders are fixedly connected with the push plate, and the top wall of the push plate is fixedly connected with the bottom wall of the middle plate.

Preferably, the top groove is movably penetrated and inserted with an anchor rod, the anchor rod is provided with a plurality of arc-shaped clamping grooves, and one end of the anchor rod movably penetrates through the middle plate and the bottom wall of the chamber accommodating box to the inner groove.

Preferably, the middle-placed plate is movably clamped in one of the arc-shaped clamping grooves on the anchor rod, the other end of the anchor rod is movably inserted in the clasping ring, and one end of the anchor rod above the top-placed groove is fixedly connected with a second hoisting ring. The reinforcing member that the diapire rigid coupling of stair body agrees with the stair body rear wall.

Compared with the prior art, the beneficial effects of the utility model are that:

the stair body is provided with the mounting box at one end, and the reinforcing member for reinforcing the stair body is arranged at the bottom of the stair body, so that the service life and firmness of the stair body can be prolonged, and meanwhile, the device can be better suitable for installation in multiple environments, is convenient to hoist and mount and improves the installation rate of the device;

simultaneously settling the incasement and being equipped with the cylinder that is used for promoting hoist and mount ring two, the promotion through the cylinder makes hoist and mount ring two can promote to settling the incasement portion, when not hoisting the stair body with hoist and mount ring two retract to settling the incasement, can be to the protection of hoist and mount ring two, simultaneously on the other end of stair body through screw thread installation hoist and mount ring one, through the hoist and mount ring one and hoist and mount ring two mutually support and make the device can more firm safe hoist and mount installation.

Drawings

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

FIG. 2 is a sectional view of the structure of the present invention;

fig. 3 is an enlarged schematic view of a structure shown in fig. 2 according to the present invention.

In the figure: 1. a stair body; 10. a tread; 11. a reinforcement; 12. perforating; 13. an advertisement dispenser; 14. anti-slip strips; 15. a built-in groove; 16. a clasping ring; 2. hoisting a ring I; 21. hoisting a ring II; 3. a placement box; 31. a chamber; 32. a top-mounted groove; 33. a chute; 34. a middle plate; 341. an arc-shaped clamping groove; 35. a cylinder; 36. pushing the plate; 37. an anchor rod.

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.

Example 1:

referring to fig. 1-3, the present invention provides a technical solution: a close-spliced environment-friendly concrete prefabricated staircase convenient to hoist comprises a staircase body 1, wherein the staircase body 1 comprises a plurality of tread 10, and the horizontal positions of the tread 10 and a staircase layer are different by half the width of a staircase;

the advertisement dispenser 13 is movably inserted on the vertical surface of the ladder layer beside the ladder surface 10, a plurality of anti-slip strips 14 are fixedly connected on the ladder surface 10, a parallel through hole 12 is formed in the ladder surface 10 at the lowest end in a penetrating mode, a hoisting ring 2 is installed in the through hole 12 in a threaded mode, and the box 3 is fixedly connected to one side of the ladder surface 10 at the highest end. The interior of the placing box 3 is provided with a cavity 31, the top of the cavity 31 is penetrated and provided with parallel overhead grooves 32, the overhead grooves 32 are penetrated and provided with the top wall of the placing box 3, the inner walls of the two sides of the cavity 31 are provided with sliding chutes 33, and the top surface of the stair body 1 below the placing box 3 is penetrated and provided with the internal grooves 15.

Simultaneously be equipped with the cylinder 35 that is used for promoting hoist and mount ring two 21 in settling case 3, the promotion through cylinder 35 makes hoist and mount ring two 21 can promote to settling case 3 outsidely, retract hoist and mount ring two 21 to settling case 3 when not hoisting stair body 1 in, can be to the protection of hoist and mount ring two 21, simultaneously through screw thread installation hoist and mount ring one 2 on the other end of stair body 1, mutually support through hoist and mount ring one 2 and hoist and mount ring two 21 makes the device can more firm safe hoist and mount installation.

Example 2:

the middle plate 34 is slidably mounted in the sliding groove 33, two ends of the middle plate 34 are slidably connected with the side wall of the sliding groove 33, the parallel air cylinders 35 are fixedly mounted at the bottom of the chamber 31, the telescopic ends of the air cylinders 35 are fixedly connected with the push plate 36, and the top wall of the push plate 36 is fixedly connected with the bottom wall of the middle plate 34. An anchor rod 37 is movably inserted in the top groove 32 in a penetrating manner, a plurality of arc-shaped clamping grooves 341 are formed in the anchor rod 37, and one end of the anchor rod 37 movably penetrates through the middle plate 34 and the bottom wall of the chamber 31 accommodating box 3 to the inner groove 15.

The middle plate 34 is movably clamped in one of the arc-shaped clamping grooves 341 on the anchor rod 37, the other end of the anchor rod 37 is movably inserted in the clasping ring 16, and one end of the anchor rod 37 above the top groove 32 is fixedly connected with the second hoisting ring 21. The bottom wall rigid coupling of stair body 1 and the reinforcement 11 that agrees with mutually of stair body 1 back wall.

The stair body 1 is provided with the mounting box 3 at one end, and the reinforcing member 11 for reinforcing the stair body 1 is arranged at the bottom of the stair body 1, so that the service life and firmness of the stair body 1 are prolonged, the device can be better suitable for installation in multiple environments, the lifting installation is convenient, and the installation rate of the device is improved;

the working principle is as follows: when the device is normally used, one side of the stair body 1 with the reinforcing member 11 faces downwards, the other side with the stair surface 10 faces upwards, this is because the push plate 36 is pushed by the cylinder 35 in the housing box 3 at one end of the stair body 1, in the pushing process, the middle part of the pushing plate 36 is clamped in the arc-shaped clamping groove 37 on the anchor rod 37 to push the anchor rod 37, the hoisting ring II 21 is pushed out of the jacking groove 32 to the outside of the setting box 3 by the pushing of the anchor rod 37, at this time, the first hoisting ring 2 can be manually installed in the through hole 21 at the other end of the stair body 1, after the first hoisting ring 2 and the second hoisting ring 21 are prepared, the stair body 1 can be hoisted and installed, when the stair body 1 is not hoisted, the second hoisting ring 21 retracts into the placing box 3, so that the second hoisting ring 21 is protected, the lifting ring I2 and the lifting ring II 21 are matched with each other, so that the device can be lifted and installed more stably and safely.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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

1. The utility model provides a close type of piecing together precast concrete stair convenient to hoist and mount, includes stair body (1), stair body (1) includes a plurality of terraces (10), and terraces (10) and the width that the ladder layer horizontal direction position differs half step, its characterized in that:

activity cartridge advertisement dispenser (13) on the perpendicular on the other ladder layer of tread (10), a plurality of antislip strips of rigid coupling (14) are located the lower extreme on tread (10) run through on tread (10) and set up parallel perforation (12), screw thread installation hoist and mount ring (2) are located the highest end in perforation (12) one side rigid coupling of tread (10) is settled case (3).

2. The close-spliced environment-friendly concrete prefabricated staircase convenient to hoist of claim 1, is characterized in that: the inner part of the placement box (3) is provided with a cavity (31), the top of the cavity (31) is provided with parallel top grooves (32) in a penetrating mode, the top grooves (32) are provided with top walls of the placement box (3) in a penetrating mode, the inner walls of two sides of the cavity (31) are provided with sliding grooves (33), and the top surface of the stair body (1) below the placement box (3) is provided with a built-in groove (15) in a penetrating mode.

3. The close-spliced environment-friendly concrete prefabricated staircase convenient to hoist of claim 2, is characterized in that: put board (34) in sliding mounting in spout (33), and the lateral wall of the both ends sliding connection spout (33) of putting board (34) in, the parallel cylinder (35) of bottom fixed mounting of cavity (31), and the flexible end rigid coupling push pedal (36) of cylinder (35), the roof rigid coupling of push pedal (36) is at the diapire of putting board (34) in.

4. The close-spliced environment-friendly concrete prefabricated staircase convenient to hoist of claim 2, is characterized in that: the anchor rod (37) is movably inserted in the top groove (32) in a penetrating mode, a plurality of arc-shaped clamping grooves (341) are formed in the anchor rod (37), and one end of the anchor rod (37) movably penetrates through the middle plate (34) and the bottom wall of the chamber (31) containing box (3) to the inner groove (15).

5. The close-spliced environment-friendly concrete prefabricated staircase convenient to hoist of claim 4, is characterized in that: the middle-placed plate (34) is movably clamped in one of the arc-shaped clamping grooves (341) on the anchor rods (37), the other ends of the anchor rods (37) are movably inserted into the clasping rings (16), and one ends of the anchor rods (37) above the top-placed grooves (32) are fixedly connected with a second hoisting ring (21).

6. The close-spliced environment-friendly concrete prefabricated staircase convenient to hoist of claim 1, is characterized in that: the bottom wall of the stair body (1) is fixedly connected with a reinforcing member (11) matched with the rear wall of the stair body (1).