CN115142656A - A suspension structure suitable for annular hanging basket and its construction method - Google Patents

Abstract

The invention belongs to the technical field of construction machinery, and in particular relates to a suspension structure suitable for an annular hanging basket and a construction method thereof. The suspension structure includes several components including a central node, a fixed suspension rod, a folding suspension rod, an auxiliary suspension rod, a positioning cable, a limit device, a reinforcement device (optional), and a suspension point. The utility model is characterized in that the midpoint of the fixed suspension rod is hingedly connected with the folding suspension rod and the auxiliary suspension rod by means of the central node. In the installed state, the folded suspension rod and the auxiliary suspension rod are rotated to be parallel to the fixed suspension rod, so that the entire suspension structure is in the shape of a long strip, which is convenient to transport from the inside of the chimney to the top and then unfold for use. In the working state, the folded suspension rods and the auxiliary suspension rods are all unfolded, so that the suspension points of the fixed suspension rods and the ends of the folded suspension rods are evenly arranged. The invention can solve the problems of difficulty in designing the top suspension structure of the annular hanging basket used for the chimney and time-consuming and laborious installation.

Description

A suspension structure suitable for an annular hanging basket and its construction method

technical field

The invention belongs to the technical field of construction machinery, and in particular relates to a suspension structure suitable for an annular hanging basket and a construction method thereof.

Background technique

During construction or later maintenance of tall structures with variable cross-sections such as chimneys, TV towers, and blast furnaces, a variable-diameter annular gondola needs to be used as an aerial work platform, so a suspension point needs to be set at the top of the chimney.

The conventional suspension structure of the hanging basket is a lever type, with a wire rope hanging at the front end and a counterweight at the end, but this structure is not suitable for the top of the chimney; another solution is to install several beams on the top of the chimney, and hang them on the beams. However, the installation of the beam in this scheme is more troublesome and is only suitable for smaller chimneys.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is: to provide a suspension structure suitable for a ring-shaped hanging basket, which has two switchable states, and in the folded state, can be easily lifted from the inside of the chimney to the top of the chimney, and is easy to install; In the unfolded state, it can work stably at the top of the chimney, and has wide adaptability.

The technical scheme adopted by the present invention for solving the above-mentioned technical problems is:

A suspension structure suitable for an annular hanging basket, set on the top of the chimney 11 for suspending the annular hanging basket 12, including a fixed suspension rod 2, the fixed suspension rod 2 is fixed on the top of the chimney 11 , the middle of the fixed suspension rod 2 is provided with a central node 1, the central node 1 is hingedly connected with a pair of folding suspension rods 3, and the outer ends of the folding suspension rods 3 are connected to the adjacent fixed suspension rods 2 A positioning pull rope 5 is connected between the outer ends, and the outer end of the fixed suspension rod 2 and the outer end of the folding suspension rod 3 are both provided with a main suspension point 7, and the main suspension point 7 is adjusted by the length. The main suspension rope 8 is connected to the annular gondola 12;

The suspension structure has two switchable states, specifically a folded state and an unfolded state. In the folded state, the folded suspension rod 3 is rotated around the central node 1 to be parallel to the fixed suspension rod 2; In the unfolded state, the folding suspension bars 3 are all unfolded relative to the fixed suspension bars 2 , so that all the main suspension points 7 are evenly arranged along the top edge of the chimney 11 .

Further, the central node 1 is also hingedly connected with a plurality of auxiliary suspension rods 4, the outer ends of the auxiliary suspension rods 4 are provided with auxiliary suspension points, and the auxiliary suspension points can be adjusted by length. The auxiliary suspension rope 10 is connected with an auxiliary gondola 13 .

Further, both ends of the fixed suspension rod 2 are fixed to the top of the chimney 11 through a limiting device 6, one end of the limiting device 6 is anchored to the top edge of the chimney 11, and the other end is fixed to the top edge of the chimney 11. Suspension rod 2 is connected.

Further, the limiting device 6 includes a U-shaped limiting clamp 601 , the U-shaped limiting clamp 601 is sleeved on the fixed suspension rod 2 , and the bottom of the U-shaped limiting clamp 601 is outside. The edge is anchored to the top edge of the chimney 11 through the limit bolts 602 .

Further, a reinforcement device is provided above the fixed suspension rod 2, and the reinforcement device includes a reinforcement cable 901 and two reinforcement columns 902. The two reinforcement columns 902 are respectively arranged above the two ends of the fixed suspension rod 2, so The two ends of the fixed suspension rod 2 and the top ends of the two reinforcing columns 902 are connected by reinforcing ropes 901 .

Further, each main suspension point 7 is connected to the annular gondola 12 through two sets of main suspension ropes 8, and each group of main suspension ropes 8 is composed of a main rope and a secondary rope.

Further, the auxiliary suspension rods 4 are arranged in pairs, and each pair of auxiliary suspension rods 4 is connected to both ends of the same auxiliary suspension 13; each auxiliary suspension point is connected by a set of auxiliary suspension ropes 10. In the auxiliary hanging basket 13, each group of auxiliary suspension ropes 10 is composed of a main rope and a secondary rope.

Further, the outer end sides of the fixed suspension rod 2 and the folding suspension rod 3 are provided with pull rings for connecting the positioning pull rope 5, and the positioning pull rope 5 is provided with a flower basket screw for use. Tension the positioning cable 5.

Further, the number of the folding suspension rods 3 is adapted to the size of the chimney 11 and the annular gondola 12 .

A construction method for installing the above-mentioned suspension structure, comprising the following steps:

S1, install a winch lifting device on the top of the chimney;

S2, the suspension structure is transported into the interior of the chimney from the flue opening at the bottom of the chimney in a folded state, and the two ends of the fixed suspension rod are connected to the hoisting and lifting device;

S3, the folded suspension structure is lifted to the top of the chimney in an inclined posture by means of a hoisting and lifting device;

S4, place the suspension structure in the folded state horizontally on the top of the chimney, and fix both ends of the fixed suspension rod on the top of the chimney through the limiting device;

S5, unfold the folding suspension rod and the auxiliary suspension rod to a predetermined position in turn;

S6, between the outer end of the folded suspension rod and the outer end of the adjacent fixed suspension rod, a positioning rope is installed and tensioned;

S7, the main suspension point is connected to the annular gondola through the main suspension rope, and the auxiliary suspension point is connected to the auxiliary gondola through the auxiliary suspension rope.

Compared with the prior art, the present invention has the following main advantages:

1. The hinged connection of the fixed suspension rod and the folding suspension rod enables the present invention to have two switchable states. In the folded state, it can be easily lifted from the inside of the chimney to the top of the chimney for easy installation; in the unfolded state , with the limit device and positioning rope, it can stably work on the top of the chimney, and has wide adaptability;

2. By adding a reinforcing device above the fixed suspension rod, and each group of suspension ropes is composed of a main rope and a secondary rope, the bearing capacity and safety of the present invention can be further improved.

3. A construction method is proposed, through which the hoisting device cooperates with the two switchable states of the present invention, which makes the installation and arrangement of the present invention more convenient and saves time and effort.

Description of drawings

Fig. 1 is the overall schematic diagram of the suspended structure of the present invention in the unfolded state;

2 is a schematic diagram of the suspension structure of the present invention in a folded state;

3 is a schematic diagram of the limiting device of the present invention;

Fig. 4 is the schematic diagram of the reinforcement device of the present invention;

Fig. 5 is a flow chart of the construction method of the present invention.

In the figure: 1. Central node; 2. Fixed suspension rod; 3. Folding suspension rod; 4. Suspension rod of auxiliary gondola; 5. Positioning rope; 6. Limiting device; 601, Limiting clamp; 602, limit bolt; 7, main suspension point; 8, main suspension rope; 901, reinforced pull rope; 902, reinforced column; 10, auxiliary suspension rope; 11, chimney; 12, ring hanging basket; 13, Auxiliary gondola.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

It should be pointed out that, according to the needs of implementation, the various steps/components described in this application may be split into more steps/components, or two or more steps/components or partial operations of steps/components may be combined into new steps/components to achieve the purpose of the present invention.

1. A suspension structure suitable for a ring-shaped hanging basket

As shown in FIG. 1 , the embodiment of the present application provides a suspension structure suitable for an annular gondola, which is arranged on the top of a chimney 11 and is used for suspending an annular gondola 12 serving as an aerial work platform.

It mainly includes a fixed suspension rod 2 and a pair of folding suspension rods 3, the fixed suspension rod 2 is fixed on the top of the chimney 11, and a central node 1 is arranged in the middle of the fixed suspension rod 2. The central node 1 is hingedly connected with a pair of foldable suspension rods 3, and a positioning cable 5 is connected between the outer ends of the folding suspension rods 3 and the adjacent fixed suspension rods 2. The fixed suspension rods The outer end of the rod 2 and the outer end of the folding suspension rod 3 are both provided with a main suspension point 7, and the main suspension point 7 is connected to the annular gondola 12 through a main suspension rope 8 with an adjustable length;

As shown in FIG. 2 , the suspension structure has two switchable states, specifically a folded state and an unfolded state. In the folded state, the folded suspension rods 3 are rotated around the central node 1 to a fixed position. The suspension rods 2 are parallel; in the unfolded state, the folded suspension rods 3 are all unfolded relative to the fixed suspension rods 2 , so that all the main suspension points 7 are evenly arranged along the top edge of the chimney 11 .

Further, the central node 1 is also hingedly connected with a plurality of auxiliary suspension rods 4 arranged in pairs, and the outer ends of the auxiliary suspension rods 4 are provided with auxiliary suspension points, and the auxiliary suspension points pass through. The auxiliary hanging rope 10 with adjustable length is connected with the auxiliary hanging basket 13;

The auxiliary suspension points of each pair of auxiliary gondola suspension bars 4 are connected to both ends of the same auxiliary gondola 13, and each pair of auxiliary gondola suspension bars 4 are in the same sector (two adjacent suspension bars). between) is hingedly connected to the central node.

As shown in FIG. 3 , both ends of the fixed suspension rod 2 are fixed to the top of the chimney 11 through a limiting device 6 . Specifically, the limiting device 6 includes a U-shaped limiting clamp 601 . The U-shaped limit clip 601 is sleeved on the fixed suspension rod 2 , and the bottom outer edge of the U-shaped limit clip 601 is anchored to the top edge of the chimney 11 through limit bolts 602 .

Further, each main suspension point 7 is connected to the annular gondola 12 through two sets of main suspension ropes 8, each auxiliary suspension point is connected to the auxiliary gondola 13 through a set of auxiliary suspension ropes 10, and each group of main suspension The suspension rope 8 and each set of auxiliary suspension ropes 10 are composed of a main rope and a secondary rope.

Further, the outer end sides of the fixed suspension rod 2 and the folding suspension rod 3 are provided with pull rings for connecting the positioning pull rope 5, and the positioning pull rope 5 is provided with a flower basket screw for use For the tensioning of the positioning cable 5 , the tensioned positioning cable can fix the relative positions of the fixed suspension rod 2 and the folded suspension rod 3 .

Further, the number of the folding suspension rods 3 is adapted to the size of the chimney 11 and the annular hanging basket 12, and the folding suspension rods 3 can be specifically provided with 2/4/6... Rods and folding suspension rods are evenly distributed 360 degrees around the top edge of the chimney.

Optionally, as shown in Figure 4, when the suspension rod is overhanging from the chimney wall and the suspension rod is difficult to bear the load of the suspension rope, a reinforcement device can be installed above the fixed suspension rod 2, The reinforcement device includes a reinforcement cable 901 and two reinforcement columns 902. The two reinforcement columns 902 are respectively arranged above the two ends of the fixed suspension rod 2. The two ends of the fixed suspension rod 2 and the two reinforcement columns The top ends of 902 are connected by reinforced pull cords 901 .

2. Construction method

Based on the same inventive concept, an embodiment of the present application also provides a construction method for installing the above-mentioned suspension structure, as shown in FIG. 5 , which specifically includes the following steps:

S1, install a winch lifting device on the top of the chimney;

S2, the suspension structure is transported into the interior of the chimney from the flue opening at the bottom of the chimney in a folded state, and the two ends of the fixed suspension rod are connected to the hoisting and lifting device;

S3, the folded suspension structure is lifted to the top of the chimney in an inclined posture by means of a hoisting and lifting device;

S4, place the suspension structure in the folded state horizontally on the top of the chimney, and fix both ends of the fixed suspension rod on the top of the chimney through the limiting device;

S5, unfold the folding suspension rod and the auxiliary suspension rod to a predetermined position in turn, so that all main suspension points are evenly arranged along the top edge of the chimney;

S6, between the outer end of the folded suspension rod and the outer end of the adjacent fixed suspension rod, a positioning rope is installed and tensioned;

S7, the main suspension point is connected to the annular gondola through the main suspension rope, and the auxiliary suspension point is connected to the auxiliary gondola through the auxiliary suspension rope.

To sum up, a suspension structure suitable for a ring-shaped hanging basket and a construction method thereof of the present invention are adopted:

1. The hinged connection of the fixed suspension rod and the folding suspension rod enables the present invention to have two switchable states. In the folded state, it can be easily lifted from the inside of the chimney to the top of the chimney for easy installation; in the unfolded state , with the limit device and positioning rope, it can stably work on the top of the chimney, and has wide adaptability;

2. By adding a reinforcing device above the fixed suspension rod, and each group of suspension ropes is composed of a main rope and a secondary rope, the bearing capacity and safety of the present invention can be further improved.

3. A construction method is proposed, through which the hoisting device cooperates with the two switchable states of the present invention, which makes the installation and arrangement of the present invention more convenient and saves time and effort.

The above embodiments are only used to illustrate the design ideas and features of the present invention, and the purpose is to enable those skilled in the art to understand the contents of the present invention and implement them accordingly, and the protection scope of the present invention is not limited to the above embodiments. Therefore, all equivalent changes or modifications made according to the principles and design ideas disclosed in the present invention fall within the protection scope of the present invention.

Claims (10)

1. A suspension structure suitable for an annular hanging basket, located on the top of a chimney (11), for suspending the annular hanging basket (12), including a fixed suspension rod (2), characterized in that: the fixed A suspension rod (2) is fixed on the top of the chimney (11), a central node (1) is provided in the middle of the fixed suspension rod (2), and a pair of folding suspensions are hingedly connected to the central node (1). A suspension rod (3), a positioning pull rope (5) is connected between the outer end of the folding suspension rod (3) and the outer end of the adjacent fixed suspension rod (2), and the fixed suspension rod (2) ) and the outer end of the folding suspension rod (3) are provided with a main suspension point (7), the main suspension point (7) is connected to the annular suspension through a main suspension rope (8) with an adjustable length basket(12); The suspension structure has two switchable states, specifically a folded state and an unfolded state. In the folded state, the folded suspension rods (3) are all rotated around the central node (1) to a fixed suspension state. The rods (2) are parallel; in the unfolded state, the folded suspension rods (3) are all unfolded relative to the fixed suspension rods (2), so that all main suspension points (7) are along the length of the chimney (11). The top edge is evenly spaced. 2. A suspension structure suitable for an annular gondola according to claim 1, characterized in that: the central node (1) is also hingedly connected with a plurality of auxiliary gondola suspension rods (4). An auxiliary hanging point is provided at the outer end of the suspension rod (4) of the auxiliary hanging basket, and the auxiliary hanging point is connected with an auxiliary hanging basket (13) through an auxiliary hanging rope (10) with an adjustable length. 3. A suspension structure suitable for an annular hanging basket according to claim 1, characterized in that: both ends of the fixed suspension rod (2) are fixed to the chimney ( 11), one end of the limiting device (6) is anchored to the top edge of the chimney (11), and the other end is connected to the fixed suspension rod (2). 4. A suspension structure suitable for an annular hanging basket according to claim 3, characterized in that: the limiting device (6) comprises a U-shaped limiting clamp (601), and the U-shaped limiting A clamp (601) is sleeved on the fixed suspension rod (2), and the outer edge of the bottom of the U-shaped limit clamp (601) is anchored to the top of the chimney (11) through a limit bolt (602). edge. 5. A suspension structure suitable for an annular suspended basket according to claim 1, characterized in that: a reinforcement device is provided above the fixed suspension rod (2), and the reinforcement device comprises a reinforcement cable (901). ) and two reinforcing uprights (902), the two reinforcing uprights (902) are respectively arranged above the two ends of the fixed suspension rod (2), the two ends of the fixed hanging rod (2) and the two reinforcing uprights The top ends of (902) are all connected by reinforced pull cords (901). 6. A suspension structure suitable for an annular suspended basket according to claim 1, wherein each main suspension point (7) is connected to the annular suspension through two sets of main suspension ropes (8). The basket (12), each set of main suspension ropes (8) is composed of a main rope and an auxiliary rope. 7. A suspension structure suitable for an annular hanging basket according to claim 2, characterized in that: the auxiliary hanging basket hanging rods (4) are arranged in pairs, and each pair of auxiliary hanging basket hanging rods (4) is arranged in pairs. ) connects the two ends of the same auxiliary hanging basket (13); each auxiliary hanging point is connected to the auxiliary hanging basket (13) through a set of auxiliary hanging ropes (10), and each group of auxiliary hanging ropes (10) is connected by a set of auxiliary hanging ropes (10). It consists of a main rope and a secondary rope. 8. A suspension structure suitable for an annular suspended basket according to claim 1, characterized in that: the outer end sides of the fixed suspension rod (2) and the folding suspension rod (3) are provided with pulleys. The ring is used for connecting the positioning pull rope (5), and the positioning pull rope (5) is provided with a turnbuckle screw for tensioning the positioning pull rope (5). 9. A suspension structure suitable for an annular hanging basket according to claim 1, wherein the number of the folding suspension rods (3) is the same as that of the chimney (11) and the annular hanging basket (12) size to match. 10. A construction method for installing the suspension structure according to any one of claims 1 to 9, characterized in that it comprises the following steps: S1, install a winch lifting device on the top of the chimney; S2, the suspension structure is transported into the interior of the chimney from the flue opening at the bottom of the chimney in a folded state, and the two ends of the fixed suspension rod are connected to the hoisting and lifting device; S3, the folded suspension structure is lifted to the top of the chimney in an inclined posture by means of a hoisting and lifting device; S4, place the suspension structure in the folded state horizontally on the top of the chimney, and fix both ends of the fixed suspension rod on the top of the chimney through the limiting device; S5, unfold the folding suspension rod and the auxiliary suspension rod to a predetermined position in turn; S6, between the outer end of the folded suspension rod and the outer end of the adjacent fixed suspension rod, a positioning rope is installed and tensioned; S7, the main suspension point is connected to the annular gondola through the main suspension rope, and the auxiliary suspension point is connected to the auxiliary gondola through the auxiliary suspension rope.

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