Assembled stair lifting and mounting tool

Abstract

The utility model relates to an assembly type stair lifting installation tool which comprises a tower crane lifting ring connected with a lifting hook of a tower crane; one end of each hanging belt is mounted on the tower crane hanging ring; two ends of one side of the hanging bracket are respectively connected with the other ends of the hanging belts; one end of each lifting chain is mounted at each of the two ends of the other side of the lifting frame; the chaining lifting ring is mounted at the other end of the lifting chain and is detachably connected with the assembly type stair; the multiple lifting chains installed at the two ends of the lifting frame respectively are arranged at intervals in the width direction of the lifting frame. The lengths of the lifting chains located at the same end of the lifting frame are the same, and the lengths of the lifting chains located at the different ends of the lifting frame are different. According to the scheme, stress is dispersed by means of the structure of the hanging bracket, and it is guaranteed that only vertical stress is generated and horizontal stress is not generated when the four hanging chains are applied to the prefabricated staircase, and damage to the interior of the prefabricated staircase structure is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of hoisting of assembled staircases, in particular to a hoisting and installation tool for assembled staircases. Background Art

[0002] In construction, prefabricated stairs have poor hoisting balance and are difficult to adjust angles during installation, which affects the quality and efficiency of installation. Improper use of equipment can cause deformation and damage to prefabricated stairs.

[0003] In traditional solutions, when the prefabricated stairs are hoisted and installed, the prefabricated stairs usually swing greatly, resulting in extremely poor balance during the hoisting and installation process. The installation angle cannot be accurately adjusted, making the hoisting and installation process difficult, seriously affecting the installation quality of the prefabricated stairs and posing a safety hazard for subsequent use. Utility Model Content

[0004] The purpose of the utility model is to solve at least one technical problem in the background technology and to provide an assembled stair lifting and installation tool.

[0005] In order to achieve the above-mentioned purpose, the utility model provides an assembled stair lifting and installation tool, comprising:

[0006] Tower crane lifting ring, connected to the hook of the tower crane;

[0007] A plurality of lifting straps, one end of which is mounted on the lifting ring of the tower crane;

[0008] A hanger, two ends of one side of which are respectively connected to the other end of the sling;

[0009] A plurality of lifting chains, one end of each of the lifting chains being respectively mounted on two ends of the other side of the hanger;

[0010] A link ring is installed at the other end of the lifting chain and is detachably connected to the assembled staircase;

[0011] The plurality of suspension chains respectively installed at two ends of the suspension frame are arranged at intervals along the width direction of the suspension frame;

[0012] The lengths of the plurality of suspension chains at the same end of the suspension bracket are the same, and the lengths of the suspension chains at different ends of the suspension bracket are different.

[0013] According to one aspect of the utility model, four slings are included, and the other ends of the four slings are connected to the four corners at both ends of the hanger through first high-strength clamps respectively;

[0014] The sling has a length of 3 m, a width of 60 mm and a thickness of 10 mm.

[0015] According to one aspect of the utility model, the hanger includes two cross beams and a plurality of longitudinal beams;

[0016] Each of the longitudinal beams is arranged between two transverse beams at intervals from each other.

[0017] The two cross beams are respectively connected to the two ends of each longitudinal beam.

[0018] According to one aspect of the utility model, the length of the cross beam is 1520 mm, and the length of the longitudinal beam is 1000 mm;

[0019] The cross beam and the longitudinal beam are Q335 H-shaped steel.

[0020] According to one aspect of the utility model, four lifting chains are included, and each of the lifting chains is installed at the connection between the cross beam and the longitudinal beam at both ends of the hanger through a second high-strength clamping ring.

[0021] According to one aspect of the utility model, the first high-strength clamping ring and the second high-strength clamping ring are made of 20HPB300 round steel.

[0022] According to one aspect of the utility model, the lifting chain and the link lifting ring are made of alloy steel.

[0023] According to one scheme of the utility model, the assembled staircase hoisting and installation tool includes: a tower crane ring connected to the tower crane hook; a plurality of slings, one end of which is mounted on the tower crane ring; a hanger, the two ends of one side of which are respectively connected to the other end of the sling; a plurality of lifting chains, one end of each lifting chain is respectively mounted on the two ends of the other side of the hanger; a link ring, which is mounted on the other end of the lifting chain and is detachably connected to the assembled staircase; the plurality of lifting chains respectively mounted on the two ends of the hanger are arranged at intervals along the width direction of the hanger; the plurality of lifting chains located at the same end of the hanger have the same length, and the lifting chains located at different ends of the hanger have different lengths. The lengths of the lifting chains located at the left end of the hanger are all the same, the lengths of the lifting chains located at the right end of the hanger are all the same, and the lengths of the lifting chains located at the left and right ends are different, and the length of the lifting chain at the left end is longer than the length of the lifting chain at the right end. Such a setting can make the prefabricated staircase lifting and installation tool of the utility model able to lift and install the prefabricated stairs smoothly and reliably, ensuring that the prefabricated stairs will not swing significantly during the lifting process and have good balance. Moreover, the installation angle can be adjusted stably and quickly during the installation process, thereby ensuring the installation quality of the prefabricated stairs and ensuring the safety and service life of the stairs.

[0024] According to one scheme of the utility model, the assembled staircase lifting and installation tool of the utility model includes four slings, and the other ends of the four slings are respectively connected to the four corners at both ends of the hanger through the first high-strength clamping ring; such an arrangement can make it possible to stably and securely lift the hanger through the slings and the first high-strength clamping ring, so that the hanger can maintain a horizontal and stable state during the lifting process, thereby ensuring the stability of the lifting of the assembled staircase and ensuring that no swinging occurs during the lifting process.

[0025] According to one solution of the utility model, the hanger includes two cross beams and multiple longitudinal beams; each longitudinal beam is arranged between two cross beams at intervals, and the two cross beams connect the two ends of each longitudinal beam. In this way, the hanger can form a frame structure with multiple through holes, which can greatly reduce the overall weight of the hanger. On the basis of ensuring the structural strength, it can effectively reduce the hoisting weight, ensure the overall structural safety during the hoisting of the assembled staircase, and will not add pressure to the hoisting process.

[0026] According to one solution of the utility model, the utility model of the assembled staircase lifting and installation tool includes four lifting chains, each of which is installed at the connection between the crossbeam and the longitudinal beam at both ends of the hanger through a second high-strength clamp. Such an arrangement can make the installation of the lifting chain stable and firm, and the process of the hanger lifting the lifting chain has structural protection, can withstand a large pulling force, and ensure the safety and stability of the lifting process, and will not cause cracking and damage at the connection.

[0027] According to the solution of the utility model, the utility model disperses the force by means of the hanger's own structure, ensuring that the four hanging chains exert only vertical stress on the prefabricated stairs without generating horizontal stress, and causing no damage to the interior of the prefabricated staircase structure.

[0028] According to the scheme of the utility model, the utility model is easy to operate, highly feasible, and can be repeatedly used without limit; it greatly improves the safety and quality reliability of the hoisting of prefabricated stairs, reduces costs and increases efficiency while speeding up the construction speed. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 A schematic diagram of a front view of an assembled stair lifting and installation tool according to an embodiment of the utility model;

[0030] Figure 2 A schematic top view of a hanger according to an embodiment of the present invention is shown;

[0031] Figure 3 The diagram schematically shows a front view of a prefabricated staircase hoisted by a prefabricated staircase hoisting and installation tool according to Example 1 of the utility model. DETAILED DESCRIPTION

[0032] The present invention will now be discussed with reference to exemplary embodiments. It should be understood that the embodiments discussed are only intended to enable those skilled in the art to better understand and implement the present invention, rather than to imply any limitation on the scope of the present invention.

[0033] As used herein, the term “including” and variations thereof are to be interpreted as open-ended terms meaning “including, but not limited to.” The term “based on” is to be interpreted as “based, at least in part, on.” The terms “one embodiment” and “an embodiment” are to be interpreted as “at least one embodiment.”

[0034] Figure 1 The front view of the assembled stair lifting and installation tool according to one embodiment of the utility model is schematically shown. Figure 1 As shown, in this embodiment, the assembled stair lifting installation tool includes:

[0035] A tower crane lifting ring 1, connected to a lifting hook of a tower crane;

[0036] A plurality of lifting straps 2, one end of which is mounted on the tower crane lifting ring 1;

[0037] The two ends of one side of the hanger 3 are respectively connected to the other end of the sling 2;

[0038] A plurality of lifting chains 4, one end of each lifting chain 4 being respectively mounted on two ends of the other side of the hanger 3;

[0039] A link ring 5 is installed at the other end of the lifting chain 4 and is detachably connected to the assembled staircase;

[0040] A plurality of lifting chains 4 respectively installed at both ends of the hanger 3 are arranged at intervals along the width direction of the hanger 3;

[0041] The lengths of the multiple hanging chains 4 at the same end of the hanger 3 are the same, and the lengths of the hanging chains 4 at different ends of the hanger 3 are different. Figure 1 As shown, the lengths of the hanging chains 4 at the left end of the hanger 3 are all the same, the lengths of the hanging chains 4 at the right end of the hanger 3 are all the same, and the lengths of the hanging chains 4 at the left and right ends are different. Figure 1 The length of the left end suspension chain 4 is longer than the length of the right end suspension chain 4.

[0042] With the above arrangement, the utility model can enable the lifting and installation tool for the assembled staircase to lift and install the assembled staircase steadily and reliably, ensuring that the assembled staircase will not swing greatly during the lifting process and has good balance. Moreover, the installation angle can be adjusted stably and quickly during the installation process, thereby ensuring the installation quality of the assembled staircase and ensuring the safety and service life of the staircase.

[0043] Further, Figure 2Schematically shows a top view of a hanger according to an embodiment of the present utility model. Figure 1 and Figure 2 As shown, in this embodiment, the assembled stair lifting installation tool of the utility model includes four slings 2, and the other ends of the four slings 2 ( Figure 1 The middle and lower ends of the sling 2 are connected to the four corners of the two ends of the hanger 3 through the first high-strength clamp ring 6; in this embodiment, the length of the sling 2 is 3m, the width is 60mm, and the thickness is 10mm. In this way, the hanger 3 can be stably and securely lifted by the sling 2 and the first high-strength clamp ring 6, so that the hanger 3 can maintain a horizontal and stable state during the lifting process, ensuring the stability of the lifting of the assembled staircase and ensuring that there will be no swinging during the lifting process.

[0044] Furthermore, if Figure 2 As shown, in this embodiment, the hanger 3 includes two cross beams 7 and a plurality of longitudinal beams 8;

[0045] The longitudinal beams 8 are arranged between the two transverse beams 7 at intervals from each other.

[0046] Two cross beams 7 are respectively connected to the two ends of each longitudinal beam 8. With such an arrangement, the hanger 3 can form a frame structure with a plurality of through holes 10, which can greatly reduce the overall weight of the hanger 3. On the basis of ensuring the structural strength, the hoisting weight can be effectively reduced, and the overall structural safety is ensured during the hoisting of the assembled staircase without adding pressure to the hoisting process.

[0047] Further, in this embodiment, the length of the cross beam 7 is 1520 mm, and the length of the longitudinal beam 8 is 1000 mm;

[0048] The cross beam 7 and the longitudinal beam 8 are Q335 H-shaped steel.

[0049] Furthermore, if Figure 1 As shown, in this embodiment, the assembled staircase lifting and installation tool of the utility model includes four lifting chains 4, each of which is installed at the connection between the crossbeam 7 and the longitudinal beam 8 at both ends of the hanger 3 through a second high-strength clamp 9. Such an arrangement can ensure that the installation of the lifting chain 4 is stable and firm, and the process of the hanger 3 lifting the lifting chain 4 has structural protection, can withstand a large pulling force, and ensure that the lifting process is safe and stable, and no cracking or damage to the connection occurs.

[0050] Furthermore, in this embodiment, the first high-strength clamp ring 6 and the second high-strength clamp ring 9 are made of 20HPB300 round steel. The lifting chain 4 and the link lifting ring 5 are made of alloy steel.

[0051] According to the above scheme of the utility model, the utility model disperses the force by means of the hanger's own structure, ensuring that the four hanging chains exert only vertical stress on the prefabricated stairs without generating horizontal stress, and causing no damage to the interior of the prefabricated staircase structure.

[0052] According to the above scheme of the utility model, the utility model is easy to operate, highly feasible, and can be repeatedly used without limit; it greatly improves the safety and quality reliability of the hoisting of prefabricated stairs, reduces costs and increases efficiency while speeding up the construction speed.

[0053] Based on the above solution of the present invention, the above solution of the present invention is described in detail in the following in the form of a specific embodiment.

[0054] Example 1

[0055] Figure 3 The front view of the assembled staircase hoisting and installation tool according to the first embodiment of the utility model is schematically shown. Figure 3 As shown, in this embodiment, the installation tool for lifting the assembled staircase includes a tower crane ring, multiple lifting straps, a hanger, multiple lifting chains and a linking ring. The linking ring is professionally provided by the prefabrication manufacturer, and the model is φ25 high-quality alloy steel forging, and is screwed into the reserved hole of the assembled staircase 11 by bolt (thread @25) connection; the chain is made of 40-grade high-quality alloy steel, and the elongation under breaking load is greater than 17%. It is reliably connected to the linking ring and the hanger by a high-strength clamping ring, and the length of the chain is 825mm and 1625mm, respectively; the hanger is connected by welding with Q335 H-shaped steel 150*150, and the hanger size is: 1520mm*1000mm, and high-strength clamping rings are welded at the corresponding positions of the upper and lower parts; the lifting strap is EA-02 model (width 60mm thickness 10mm), length 3 meters, and consists of 4 equal lengths, and is connected to the hanger and tower crane hook by a high-strength clamping ring.

[0056] Furthermore, in this embodiment, the high-strength clamping ring is φ20HPB300 round steel, which is double-sidedly welded on the upper and lower corresponding hanging points of the hanger.

[0057] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made in form and details without departing from the scope defined by the claims of the utility model.

Claims

1. Assembled stair lifting and installation tool, characterized in that: include: A tower crane lifting ring (1), connected to a lifting hook of the tower crane; A plurality of lifting straps (2), one end of which is mounted on the tower crane lifting ring (1); A hanger (3), two ends of one side of which are respectively connected to the other end of the sling (2); A plurality of lifting chains (4), one end of each of the lifting chains (4) being respectively mounted on two ends of the other side of the hanger (3); A linking ring (5) is installed at the other end of the lifting chain (4) and is detachably connected to the assembled staircase; The plurality of hanging chains (4) respectively installed at two ends of the hanging frame (3) are arranged at intervals along the width direction of the hanging frame (3); The lengths of the plurality of hanging chains (4) located at the same end of the hanging frame (3) are the same, and the lengths of the hanging chains (4) located at different ends of the hanging frame (3) are different.

2. The assembled stair lifting and installation tool according to claim 1 is characterized in that: It comprises four slings (2), the other ends of the four slings (2) being connected to four corners at both ends of the hanger (3) respectively through first high-strength clamping rings (6); The sling (2) has a length of 3 m, a width of 60 mm and a thickness of 10 mm.

3. The assembled stair lifting and installation tool according to claim 2 is characterized in that: The hanger (3) comprises two cross beams (7) and a plurality of longitudinal beams (8); Each of the longitudinal beams (8) is arranged between two transverse beams (7) at intervals from each other. The two cross beams (7) are respectively connected to the two ends of each longitudinal beam (8).

4. The assembled stair lifting and installation tool according to claim 3 is characterized in that: The length of the cross beam (7) is 1520 mm, and the length of the longitudinal beam (8) is 1000 mm; The cross beam (7) and the longitudinal beam (8) are Q335 H-shaped steel.

5. The assembled stair lifting and installation tool according to claim 4 is characterized in that: It comprises four lifting chains (4), each of which is installed at the connection between the cross beam (7) and the longitudinal beam (8) at both ends of the hanger (3) through a second high-strength clamping ring (9).

6. The assembled stair lifting and installation tool according to claim 5 is characterized in that: The first high-strength clamping ring (6) and the second high-strength clamping ring (9) are made of 20HPB300 round steel.

7. The assembled stair lifting and installation tool according to any one of claims 1 to 6, characterized in that: The lifting chain (4) and the link lifting ring (5) are made of alloy steel.

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